Spinning or twisting (D01H)

D   Textiles; paper(37568)
D01H              Spinning or twisting (unwinding, paying-out, forwarding, winding, or coiling filamentary material, not intimately associated with spinning or twisting, b65h; cores, formers, supports, or holders for coiled or wound material, e.g. bobbins, b65h; twisting oakum d01g0035000000; crimping or curling of fibres, filaments, or yarns d02g0001000000; making chenille d03d, d04d0003000000; testing yarns, rovings, slivers, fibres, or fibre webs g01)(3409)

Textile type texturized nonwoven fabric, containing paper forming filament, calender roll and material manufacturing method // 2628381
FIELD: textile, paper.SUBSTANCE: calender roll is used to produce the texturized nonwoven material, containing the paper-forming filament. The calender roll includes a protruding relief, that includes: a base element, having the ring shape, at that the ring defines a top relative to the central part of the ring, defining the recess and the grinded surrounding area, at that the ring containing at least one radial channel, providing the recess communication with the grinded surrounding area in such a way to determine the discrete calendering surface; repeating of the specified base element along a plurality of rows and columns, substantially along the entire peripheral surface of the calender roll, at that the repeating is being regular, with the exception of a plurality of substantially longitudinally oriented parts and transversely oriented parts, at that the mentioned parts have limited size with respect to the size of the calender roll and are optionally distributed so as to define a plurality of the optionally distributed longitudinal and transverse lines in the texturized nonwoven material, containing the paper forming filament, forming a visually textile type texture.EFFECT: creation of the texturized nonwoven material, containing the paper forming filament, having the appearance of the textile type material with high quality, improved aesthetic characteristics.16 cl, 13 dwg

Casing for draw frame // 2626807
FIELD: textile, paper.SUBSTANCE: casing for a draw frame comprises a sound-insulating enclosure in the form of a hinged lid mounted on the vibro-active machine units; the sound-insulating enclosure is fixed to the head part of the machine, comprising combed strips, and vibration-sound-absorbing layers are fixed onto the inner enclosure surface. The thickness of the vibration-absorbing layer is 2-4 times the thickness of the lid material. The casing elements are mounted onto the machine by means of vibration-insulating rubber gaskets, the total rigidity of which is lower than the lid rigidity. According to the invention, the sound-absorbing element of the sound-insulating enclosure comprises a smooth surface and a perforated surface, between which there are two layers: a sound-reflecting layer adjacent to the rigid wall and a sound-absorbing layer adjacent to the perforated wall. The layer of the sound-reflecting material is made of the complex profile, in the form of evenly distributed hollow tetrahedrons allowing to reflect sound waves falling in all directions, and the perforated wall has the following perforation parameters: the hole diameter - 3÷7 mm, the perforation percentage - 10÷15%. As per shape, the holes can be made as holes having round, triangular, square, rectangular, or diamond profile. In case of non-circular holes, the maximum diameter of a circle inscribed in a polygon should be considered as the nominal diameter; basalt-based mineral wool with glass-wool lining is used as a sound-absorbing material. Also the sound-absorbing element can be made in the form of five layers, two of which, adjacent to the walls, are sound-absorbing layers of materials of different density, and three central layers are combined. The axial layer is made sound-absorbing, and two symmetrically located adjacent layers are made of a sound-reflecting material of a complex profile, consisting of uniformly distributed hollow tetrahedra with similar parameters.EFFECT: increased noise reduction efficiency.2 cl, 3 dwg
Kochetov casing for textile machine spindles // 2625427
FIELD: textile, paper.SUBSTANCE: casing for spindles of a textile machine contains an enclosure, installed on the spindle rail of the machine at the level of its spindles along their row, and vibration- and sound-absorbing layers fixed on its inner surface. The fence is made of the upper and lower parts, each of which consists of a body made of sheet angle sections with an angle of 90° at the apex, rigidly fixed to the spindle rail in its upper and lower parts, and a vertically disposed removable cover. The thickness of the vibration-absorbing layer, placed on plates, is 2-4 times the thickness of the cover and body plates. The casing elements are mounted on the machine by means of rubber vibration isolators. The overall rigidity of them is lower than the rigidity of the vibration-isolating suspension of the spindle. An elastic sheet vibration-absorbing material with internal loss ratio of not less than 0.2, or a composite material or plasticate can be used as a vibration-absorbing material. The sound-absorbing element of the enclosure contains smooth and perforated surfaces, between which there are two layers: a sound-reflecting layer adjacent to the rigid wall, and a sound-absorbing layer adjacent to the perforated wall. The sound-reflecting layer material includes of uniformly distributed hollow tetrahedra allowing to reflect the sound waves from all directions, and the perforated wall has the following perforation parameters: the hole diameter is 3-7 mm, the percentage of the perforation is 10-15%. Holes can be of round, triangular, square, rectangular or diamond shape. In case of unround holes the nominal diameter is regarded as the maximum diameter of the circumference, inscribed in a polygon. The sound-absorbing material is basalt-based mineral wool. The surface of sound fiber absorbers is treated with air-permeable porous paints or covered with air-permeable fabrics or nonwoven materials. According to the invention, between the sound-absorbing layer and the sound-reflecting layer material adjacent to it, there is an element of resonant type, made in the form of a rigid resonance plate with resonant holes that act as the neck of Helmholtz resonators. The volume functions of the Helmholtz resonator are performed by the layer of sound-reflecting material consisting of uniformly distributed hollow tetrahedra that allow to reflect sound waves from all directions.EFFECT: better noise reduction.3 dwg
Kochetov acoustic emclosure for textile machine spindle // 2625082
FIELD: textile, paper.SUBSTANCE: acoustic enclosure for the spindles of a textile machine, containing a casing, installed on the machine spindle rail at the level of its spindles along their row, with vibration- and noise-absorbing layers fixed to its inner surface, and on the outside there are plates, cantilevered to it along the row of machine spindles, and a vibration absorbing layer on their lower surface. The spindles on the spindle rail of the machine are installed by means of elastic gaskets made of elastomer. The ratio of their total rigidity to the bending stiffness of the spindle rail lies in the optimum range of the following values: 0.01…0.1, and the thickness of the vibration-absorbing layer, placed on the plates, is 2…4 times the thickness of the plates. As the material of the vibration-absorbing layer, an elastic sheet vibration-absorbing material with a coefficient of internal losses of not less than 0.2 or a composite material or a plasticate are used. And as a sound-absorbing material of the casing, the elements of mineral wool, based on basalt, or mineral wool, or basalt wool, or fiber glass, covered with glass wool, or foamed polymer, polyethylene or polypropylene are used. The entire surface of the sound-absorbing material is covered with an acoustically transparent material. According to the invention, the spindle enclosure comprises of a sound-absorbing device made in the form of rigid and perforated walls, between which there is a multi-layer sound-absorbing element made in the form of five layers. Two of the layers, adjacent to the walls, are sound-absorbing layers of materials of different densities, and three central layers are combined. The axial layer is made sound-absorbing, and two symmetrically located and adjacent layers are made of a sound-reflecting material consisting of uniformly distributed hollow tetrahedra, allowing to reflect the sound waves falling in all directions. Each of the perforated walls has the following perforation parameters: the diameter of the holes is 3÷7 mm, the percentage of the perforation is 10%÷15%. Holes can be of round, triangular, square, rectangular or diamond shape. In case of unround holes the nominal diameter shall be maximum diameter of circumference inscribed in a polygon.EFFECT: better noise reduction.3 dwg

Draft assembly for roving draft // 2620490
FIELD: textile, paper.SUBSTANCE: invention relates to a draft assembly for roving draft with drafting fields formed by input, middle and output pairs of rollers, and the subsequent sealing area, and upper feed rollers are connected to output upper rollers through cell, and a load spring, which is designed as a leaf spring affects the cell towards the lower feed rollers. The invention provides that the cell has the first guide and a receiver with an inner diameter which is slightly greater than the diameter of the upper output rollers pair axis on which the cell is suspended, and that the loading spring is at one end fixedly connected to the rotary handle, and is slidably connected to the cell containing feed upper rollers in the area of its opposite free end through intermediate link.EFFECT: improved device reliability.7 cl, 3 dwg
Fencing for textile machine spindles // 2615943
FIELD: textile, paper.SUBSTANCE: fencing for the textile machine spindles contains a machine mounted on brackets on a spindle bar, a metal casing on the inner surface of which there is a vibration-absorbing layer made in the form of an elastic sheet vibration-absorbing material with an internal loss factor of not less than 0.2, or a composite material, or plastic, at that, the thickness of the vibro-absorbing layer placed on the slats is 2…4 times larger than the thickness of the slats, the spindles rotate from the belt drive and are fixed to the spindle beam through elasto-damping gaskets made of elastomer, and the ratio of their total rigidity to the flexural rigidity of the spindle beam lies in the optimal range of values: 0.01…0.1, and the metal casing is located in the zone of spindles along their row, is box-shaped and covers both sets of spindles of the machine, and The slats are placed on the casing on its inner side and on both sides, upper and lower, are covered with vibration-absorbing layers with sound-absorbing layers placed on them, while on the upper and lower planes of the casing, the technological holes Z1 and Z2 are drilled, the ratio of the total area F1 of the technological holes to the total area of the casing F lies in the optimum range of values: F1/F=0.1…0.4. According to the invention, the sound-absorbing element of the spindle fencing is made in the form of a rigid and perforated walls, between which there are two layers: a sound-reflecting layer adjacent to the rigid wall and an acoustic-absorbing layer adjacent to the perforated wall, the sound-reflecting material layer is made of a complex profile consisting of uniformly distributed hollow tetrahedra that allow to reflect the sound waves falling in all directions, and the perforated wall has the following perforation parameters: the hole diameter is 3÷7 mm, the perforation percentage is 10÷15%, and the holes can be made in the form of round, triangular, square, rectangular or diamond-shaped profile holes, while in the case of non-circular holes, the maximum diameter of the circle inscribed in the polygon should be considered as nominal diameter, and mineral wool on a basalt basis is used as a sound absorbing material, while the surface of fibrous sound absorbents is treated with porous paints that pass air or is covered with air-permeable fabrics or nonwovens.EFFECT: better noise reduction.2 cl, 3 dwg
Cover for draw frames // 2615257
FIELD: textile, paper.SUBSTANCE: housing for draw frames with a sound-insulating enclosure (a hinged lid), mounted on the machine's vibrating parts. The sound-insulating barrier is fixed to the head of the machine with combed strips with vibration and sound-insulating layers fixed onto the inner surface of the enclosure. The thickness of the vibration-absorbing layer is 2…4 times the thickness of the lid material. The elements of the housing are mounted onto the machine by means of rubber isolators, whose total rigidity is lower than the rigidity of the lid. According to the invention, a sound-absorbing sound-insulating element is designed as a rigid wall and a perforated wall, with two layers in between: a reflecting layer next to the rigid wall and a sound absorbing layer next to the perforated wall. A reflecting layer material is in the form of evenly distributed hollow tetrahedrons allowing to reflect the sound waves from all directions, and the perforated wall has the following perforation parameters: hole diameter - 3÷7 mm, percentage of perforations 10%÷15%. Holes can be of round, triangular, square, rectangular or diamond shape. In case of non-circular holes the nominal size is regarded as the maximum diameter of the polygon that fits in a circle; the used sound-absorbing material is basalt-based mineral wool basis. The surface of fibrous absorbers is covered with porous paints that let through air; or absorbing material of the sound absorbing unit of the soundproofing barrier is porous sound-absorbing material, such as foamed aluminium or cermets-shell rock or stone with a degree of porosity in the range of optimal values: 30÷45% or metal-based foam or material in the form of a compressed aggregate of solid vibration-damping material such as elastomer, polyurethane, or plastic, and porous mineral piece materials such as pumice, vermiculite, kaolin, slag cement or other binder, or synthetic fibers. The reflecting material of the sound-absorbing element of the body is made of aluminium alloys, subsequently filled with titanium hydride with the density of air within 0.5…0.9 kg/m3 with the following strength properties: compressive strength within 5…10 MPa, flexural strength in the range 10…20 MPa, such as foamed aluminium or sound insulating plate of glass staple fiber material with the density of 60÷80 kg/m3.EFFECT: better noise reduction.2 dwg
Casing for textile machine spindles // 2615246
FIELD: textile, paper.SUBSTANCE: casing for the spindles of the textile machine is comprised of fencing mounted on the spindle tool bar of the machine at the level of its spindles and along them, with a sound-absorbing layer attached to its inner surface. The fencing consists of the upper and lower parts, each of which is a body made of sheet metal parts with an apex angle of 90°, rigidly secured to the spindle beam at its top and bottom, and a vertically extending removable lid. The thickness of the vibration-absorbing layer is 2…4 times the thickness of cover plates and the housing. The housing elements are mounted on the machine by means of rubber isolators, the overall rigidity of which is lower than the rigidity of the vibration-isolating suspension spindle grommet, absorbing elastic sheet material with internal loss ratio of not less than 0.2, or a composite material or compound can be used as vibration-absorbing material. According to the invention, the sound-absorbing element is designed as a rigid wall and a perforated wall, with two layers in between: the reflecting layer next to the rigid wall and the sound absorbing layer next to the perforated wall. A reflecting layer material is in the form of evenly distributed hollow tetrahedrons allowing to reflect sound waves from all directions, and the perforated wall has the following perforation parameters: hole diameter - 3÷7 mm, percentage of perforations 10%÷15%. Holes can be of round, triangular, square, rectangular or diamond shape. In case of non-circular holes the nominal size is regarded as the maximum diameter of the polygon that fits in a circle; the used sound-absorbing material is basalt-based mineral wool basis. The reflecting material of the sound-absorbing element of the body is made of aluminium alloys, subsequently filled with titanium hydride with the density of air within 0.5…0.9 kg/m3 with the following strength properties: compressive strength within 5…10 MPa, flexural strength in the range 10…20 MPa, such as foamed aluminium or sound insulating plate of glass staple fiber material with the density of 60÷80 kg/m3.EFFECT: better noise reduction.2 cl, 2 dwg
Barrier for spindles of a textile machine // 2607482
FIELD: textile and paper.SUBSTANCE: invention relates to textile industry and concerns noise-attenuating barrier for textile machines. Barrier for spindles of a textile machine comprises a metal casing installed using brackets on a spindle bar of the machine, on the inner surface of the metal casing there is a vibration-absorbing layer, made in the form of elastic sheet vibration-absorbing material with internal loss coefficient not lower than 0.2, or composite material, or plasticate of “Agat”, “Antivibrat”, “Schwim” type. Thickness of the vibration-absorbing layer arranged on plates 2…4 times exceeds thickness of the plates. Spindles turn from a belt drive and are secured on the spindle bar of the machine by means of elastic damping gaskets from elastomer. Ratio of their total stiffness to bending stiffness of the spindle bar is within optimal range of 0.01…0.1. Metal case is located in the zone of spindles along their row and is box-shaped, and covers both rows of spindles of the machine. Plates are arranged on the casing on its inner side and on both sides, top and bottom, are coated with vibration-absorbing layers with sound-absorbing layers arranged on them. On upper and lower planes of the casing there are process holes Z1 and Z2. Ratio of total area of F1 of the process holes to the total area of casing F is within optimal range of values F1/F=0.1…0.4. Sound-absorbing element of the barrier of spindles comprises a smooth surface and a perforated surface, between which a multilayer sound-absorbing structure is arranged, made in form of rigid and perforated walls, between which two layers are arranged: sound-reflecting layer, adjacent to rigid wall, and sound-absorbing layer, adjoining perforated wall. Layer of sound reflecting material is made with complex profile, consisting of evenly distributed hollow tetrahedrons, which enable to reflect sound waves incident in all directions. Perforated wall has the following perforation parameters: hole diameter – 3÷7 mm, perforation percentage – 10÷15 %. Holes can be made as holes of circular, triangular, square, rectangular or rhomboid profile. In case of non-circular holes, it is necessary to consider as nominal diameter maximum diameter of circle inscribed in polygon. Sound-absorbing material used is mineral wool on basalt base of “Rockwool” type, or mineral wool of “URSA” type, or basalt wool of P-75 type, or glass wool lined with glass felt, or foamed polymer, for example, polyethylene or polypropylene. Surface of fibrous sound absorbers is treated with special porous air-permeable paints (for example, “Acutex T”), or coated with air-permeable fabrics or nonwoven materials, for example, “Lutrasil”.EFFECT: invention provides higher efficiency of noise reduction.3 cl, 2 dwg

Casing for textile machine spindles // 2603951
FIELD: textile.SUBSTANCE: invention relates to textile industry and concerns textile machines noise-absorbing enclosure. Casing for textile machine spindles comprises enclosure with vibration and sound-absorbing layers attached on its inner surface and installed at its spindles level on machine spindles bearing pate along their row, enclosure is made in form of housing consisting of top and side plates, rigidly fixed to spindles bearing pate, and vertically arranged detachable cover, consisting of lower horizontal plate and vertical plate with slant, wherein thickness of placed on plates vibration-absorbing layer is in 2…4 times exceeds thickness of housing and cover plates, wherein casing sound absorbing enclosure is made in form of rigid and perforated walls, between which multilayer sound absorbing element is arranged, made in form of five layers, two of them, adjacent to walls, are sound-absorbing layers from materials with different density, while three central layers are combined, wherein axial layer is made sound-absorbing, and two symmetrically located, adjacent to it layers are made from sound reflecting material with complex shape, composed of evenly distributed hollow tetrahedrons, allowing to reflect sound waves incident in all directions, each of perforated walls has following perforation parameters: holes diameter - 3÷7 mm, perforation percentage 10 %÷15 %, wherein by form holes can be of circular, triangular, square, rectangular or rhomboid shape, wherein in case of non-circular holes, maximum diameter of circle inscribed into polygon shall be considered as nominal diameter, and plates from mineral wool on basalt base of “Rockwool” type are used as sound absorbing material, or from "URSA" mineral wool, or P-75 basalt wool, or a glass wool with a glass felt, herewith the sound absorbing element over its entire surface is lined with an acoustically transparent material, for example, EZ-100 glass fabric or "poviden" type polymer.EFFECT: technical result is increase in noise reduction efficiency.3 cl, 2 dwg

Device for separate twisting and winding yarn // 2587372
FIELD: machine building.SUBSTANCE: device is implemented as follows: power supply unit, for example drawing tool, supplies broken thread in torsion zone, where it is rolled into yarn, envelopes outer surface of a cap, rotating together with a spindle, and is transmitted to a receiving cartridge. Section of yarn from lower surface of cap to receiving cartridge periodically contacts with brake device, "creeping" from spindle, wound at each revolution of cylinder of yarn. Braking device is a "hill" with flat front slope, located in an area between edge of cap and point of winding yarn perpendicular to direction of yarn. Hill moves in horizontal and vertical directions, thus providing optimum conditions of twisting and winding. Synchronisation of rotation of spindle and cap is carried out by spline joint. High efficiency of device is provided due to gyroscopic effect, which reduces lateral load on bearing axis. Stabilisation of process is ensured by placing in upper part of cap teeth for non-cylinder spinning.EFFECT: invention can be used in textile industry for producing mainly yarn and other articles.7 cl, 3 dwg

Acoustic screen for drive of spindles // 2586654
FIELD: acoustics.SUBSTANCE: invention relates to industrial acoustics, particularly, to broadband acoustic suppression. Acoustic screen for drive of spindles comprises a rigid wall, on which there is a layer of sound-absorbing material. Stiff wall is box-like shape enveloping drive spindle, and has process holes for heat removal. Fastened to the rigid wall additionally is element in the form of smooth and perforated walls. Located between the walls is sound-absorbing material arranged in two layers, one of which is harder, continuous and shaped, and the other is soft, discontinuous and placed in the focus of the sound reflecting surfaces of the first layer. Solid shaped layer of sound-absorbing material is made from material with sound reflection factor higher than that of sound absorption. Profiles are formed by spherical surfaces, connected to each other so that in each profile a solid dome profile is created, focusing the reflected sound on the same soft acoustic absorber, which is located in focus of the solid shaped layer made in the form of revolving bodies, for example in the form of balls, revolving ellipsoids, and is attached by means of rods parallel to the perforated wall and rigidly connected with smooth wall by vertical links.EFFECT: higher efficiency of noise suppression due to improvement of sound absorption coefficient by increasing noise absorption surfaces while maintaining overall dimensions.1 cl, 2 dwg

Holder of upper straps for drafting devices of spinning machines // 2563717
FIELD: textiles, paper.SUBSTANCE: present invention relates to the holder of the upper straps for drafting devices of spinning machines, comprising at least one guide of strap, which is under the influence of the elastic force which pulls the upper strap and changes its direction on the enveloped edge and retained on the middle part of the holder of the upper straps, and beyond the width of the upper strap path on the middle part, and on the guide of the strap there is at least one pair of guide elements communicating with each other, designed for orientation of the strap guide.EFFECT: improvement of the design.11 cl, 7 dwg

Upper roller for pull-out mechanism // 2553571
FIELD: machine building.SUBSTANCE: present invention relates to an upper roller of a pull-out mechanism. The upper roller (1, 1') for a pull-out mechanism includes the middle part of an axis (2, 2'), as well as two bearings of a journal (3) with shafts (4) located at the opposite ends of the middle axis part (2, 2'), and at least one rolling bearing providing for the support of an outer race (7, 7') is set at every free end of the above in any case. The middle axis part (2, 2') matches certain different division and/or shape of the seat of carrying and loading brackets, holes are provided on both sides of the middle axis part (2, 2') to set the shafts of the bearings (4), the holes (5) on both sides to press in the shaft of the bearing (4) are always of the same depth (B) for shafts of the bearings (4) always having the same length and the same diameter. All devices required for support are mounted on the bearing (4) shafts so that when assembling the upper roller (1) the middle axis part (2, 2') can be chosen according to different divisions and/or shapes of the seats of carrying and loading brackets regardless of the used bearing shafts (4) with rolling bearings (6) and the outer race (7, 7').EFFECT: present invention allows for the simplification of the upper roller for a pull-out mechanism so that its manufacturing and assembly can be standardized and automated.12 cl, 3 dwg

Bearing and loading upper roller bracket of exhaust mechanism of spinning machine // 2522075
FIELD: textiles, paper.SUBSTANCE: present invention relates to the textile industry, in particular the exhaust mechanism of the spinning machine. The precast bearing and loading bracket of the upper rollers of the exhaust mechanism of the spinning machine, having a downwardly open U-shaped bracket in which at least one slider is located, comprising a loaded element, and a holder for fixing the upper roller, and the adjusting and fixing device by which the slider can be moved longitudinally relative to the bracket and positioned on the upper side of the bracket, and for locking the slider in the bracket of the U-shaped section with the locking of rotation around its vertical axis the slider in its fixed position is adjacent at least to one of its lateral surfaces, to at least one inner lateral surface of the bracket, characterised in that the radius of the inscribed circle formed on the inner side of the bracket, at least in one transition area of the upper side in the neighbouring lateral surface is smaller than the radius of the circumscribed circle formed by the corresponding transition of the upper side to the side wall of the slider and that the slider has means interacting with the bracket so that the slider - in setting specific installation in the bracket by adjusting and fixing device is adjacent itself to the neighbouring one with the radius of the circumscribed circle of the inner lateral surface of the bracket.EFFECT: design provides fixing of the slider in the bracket with locking of rotation so that the manufacturing tolerances of parts do not affect the storing parallel position of the slider in the bracket.13 cl, 18 dwg

Sensor of linear density of card sliver and method of its grading for feeding to draw frame // 2516966
FIELD: textiles, paper.SUBSTANCE: method of sorting strip for feeding to the draw frame with carded spinning system comprises folding of several strips, control of the linear density and stretching with further transition of the strip on the production line. According to the invention, at the stage of transportation of the card sliver from the carding machine to the draw frame the selection of the strip batches is carried out on the database formed from the signals from the sensor of the carding machine, which characterises the average linear density of the strip in each basin, with constant comparison of value of the required linear density of the strip on the draw frame and the total density of the strips, required for its production. The sensor of linear density of the card sliver comprises oppositely located perpendicular to the direction of the strip in the channel, the transmitter and receiver of the optical signal, which outputs are connected to the computing unit. According to the invention the channel for the strip in the sensor housing has a variable diameter which at the inlet of the strip is configured wider with a computing unit located around it, and tapered at the outlet, with a measuring unit located in it, consisting of a transmitter and a receiver, each of which is provided with temperature sensing elements.EFFECT: improving the accuracy of continuous monitoring of the strip linear density on the carding machine, improving the quality of the strip produced on the draw frame.2 cl, 2 dwg

Device for release broken thread of flyer frame // 2515870
FIELD: textiles, paper.SUBSTANCE: device for release broken thread of flyer frame comprises a drawing device made of several drawing pairs, comprising corrugated cylinders, pressure rollers, and means for adjusting the arc of flow-around by the broken thread of the delivery roller made in the form of contact rollers and rolls with grooves located in their central part on working surfaces opposite each other. The rollers are mounted on the rod placed in the front part of the folding lever of load of the drawing device with the ability of reciprocating motion in it, at that the roll and the roller of the adjustment means of the arc of flow-around by the broken thread of the delivery roller are mounted with the ability to flow-around the roller by the yarn. According to the invention the rod is made T-shaped, on which horizontal branches the cylindrical rollers are fixed, coupled with the rolls mounted in a spring-loaded sleeve lugs, located on the vertical part of the T-shaped rod. The working surface of the rollers and the rolls is made of composite materials with a low coefficient of friction, which helps to reduce the friction of the broken thread on them. To move the T-shaped rod on the side surface of the folding lever of load of the drawing device, in its front part, a knob is mounted.EFFECT: device enables to improve the yarn structure, to increase its strength, to improve its physical and mechanical properties and to increase the productivity of the flyer frame by reducing breakage.3 cl, 3 dwg, 1 tbl

Acoustic screen for spinning machines // 2511528
FIELD: machine building.SUBSTANCE: acoustic screen for spinning machines comprises a cover, on which a layer of a sound-absorbing element is fixed, tightly closing a unit of an aerodynamic torsion device together with a source product and a roller of a drawing instrument with a driving belt. According to the invention, the sound-absorbing element is made in the form of a smooth and a perforated walls, between which there is a sound-absorbing material, arranged in two layers, one of which, a more rigid one, is made as solid and shaped, and the other one, soft one, is made as interrupted and arranged in the focus of sound-absorbing surfaces of the first layer. The solid shaped layer of the sound-absorbing material is made from a material, in which the coefficient of sound reflection is more than the coefficient of sound absorption compared to the coefficient of sound absorption, besides, profiles are formed by spherical surfaces, connected to each other so that as a whole each of profiles forms a solid dome-shaped profile, which focuses the reflected sound to one and the same soft sound absorber, which is arranged in the focus of the solid shaped layer. Sound absorbers are made in the form of revolution bodies, for instance, in the form of balls, ellipsoids of rotation, and are fixed with the help of rods, parallel to a perforated wall and rigidly connected to the smooth wall by means of vertical joints.EFFECT: higher efficiency of sound-suppressing.3 dwg

Acoustic screen for spindle drive // 2508422
FIELD: textiles, paper.SUBSTANCE: acoustic screen for the spindle drive comprises a rigid wall on which a layer of sound absorptive material is applied. The rigid wall is made box-shaped, it covers the spindle drive and has technological holes for heat abstraction. According to the invention, the rigid wall is additionally attached to the sound absorbing element which is made in the form of a smooth and a perforated walls, between which the sound absorbing material is located, placed in two layers, one of which, which is harder, is formed solid and profiled, and the other, which is soft, is made discontinuous and is located in the focus of the sound-reflecting surfaces of the first layer. The solid profiled layer of sound absorbing material is made of a material which coefficient of sound reflection is greater than the coefficient of sound absorption. The profiles are formed by spherical surfaces, interconnected so that, in general, each of the profiles forms an integral domed profile, focusing the reflected sound at the same soft sound absorber, which is located at the focus of the solid profiled layer made in the form of bodies of revolution, such as balls, ellipsoids of revolution, and is fastened by means of rods, parallel to the perforated wall and rigidly connected to the smooth wall by means of the vertical links.EFFECT: increased efficiency of noise attenuation by improving the coefficient of sound absorption by increasing the surfaces of sound absorption while maintaining the overall dimensions.2 dwg

Thread tension device of warping frame // 2507323
FIELD: textiles, paper.SUBSTANCE: thread tension device of warping frame comprises shaped brake washers with curved edges, placed on a flat curly bracket, placed on the rod, which is mounted coaxially towards shock-absorbing washer. At that on the bracket concentrically to the washers a groove is made with a finger located in it. The finger is mounted with the ability of reciprocating movement along an arc. Above and below the bracket on the finger the flange bushings are placed with the ability of free rotation, at that a spiral cylindrical spring is tangentially located towards the lower flange bushing.EFFECT: thread tension device enables to align the average value of tension of the scurrying thread, to reduce the surface roughness of the formed warping shaft and to reduce breakage of threads during warping.1 cl, 2 dwg

Weight and holding lever of pressure rollers of drafting element of spinning machine // 2507322
FIELD: textiles, paper.SUBSTANCE: weight and holding lever of pressure rollers of drafting element of spinning machine has a downwardly open U-shaped housing in which at least one slider is located, comprising a loading element, and a holder for fixing the upper roller and an adjusting device by means of which the slider can be moved longitudinally relative to the housing and positioned on the upper side of the housing. For locking the slider in the housing of U-shaped section with the blocking of rotation around the vertical axis the bearing surface of the slider has a configuration which engages the corresponding configuration of the inner surface of the upper side of the housing, forming a form closure.EFFECT: design provides twist-resisting locking of the slider relative to the vertical axis.15 cl, 19 dwg

U-shaped open down pressure and holding lever of pressure rollers // 2507321
FIELD: textiles, paper.SUBSTANCE: invention relates to spinning industry, in particular to a drafting device for machine for spinning industry. U-shaped, open down pressure and holding lever of the pressure rollers for the drafting device of the machine for spinning industry is mounted with its end through the support on the rail and on the end side of the opposite to the support it has a locking element, consisting of synthetic material. The locking element is connected by detachable form closure with pressure and holding lever of the pressure rollers and is intended for removable unit of accessories used in the drafting device.EFFECT: increased operational reliability.12 cl, 12 dwg

Device for stretching-over drums and rollers of carding machine with all-metal saw-toothed card clothing // 2500843
FIELD: textiles, paper.SUBSTANCE: device for stretching-over drums and rollers of the carding machine with all-metal saw-toothed card clothing (AMSTCC) comprises a guide shaft rigidly mounted parallel to the sidewall of the stretched-over drum of the carding machine, a carriage mounted on the shaft with the ability to move along the drum sidewall, the lever with tension mechanism and with spreader of all-metal saw-toothed card clothing and a drive of the device for rotating the drum at a predetermined speed. The lever is mounted with its lower end to the carriage with the ability to move together with it while stretching-over the drum with the saw-toothed card clothing. On the lever, perpendicular to the drum axis a beam with a sensor and the receiver of the measuring device is fixed, located on opposite ends of the beam, at that the upper boundary of the scanning signal coming from the sensor to the receiver is located at least 1 mm above the measuring base, and its lower boundary is located at least 1 mm below the point of contact of the spreader with the sidewall of the drum. The beam with the sensor and the receiver is located at a distance of 0.1 to 400 mm from the spreader.EFFECT: invention enables to combine the process of stretching-over with the process of quality control of the drum surface and to reduce 2 times the time of repair of the drum, to provide accuracy of the AMSTCC mounting, and to improve the quality of products produced and the reliability of operation of the carding machine.4 cl, 4 dwg

Device for measuring torque of yarn and thread // 2496929
FIELD: textiles, paper.SUBSTANCE: device for measuring the torque of yarn and thread comprises a fixed support connected to the test sample. The fixed support with a scale is mounted in the housing made in the form of a parallelepiped with photosensors mounted in it, which are located on the upper lid circumferentially. In the upper part of the fixed support the rod is mounted with the ability of movement along it. On the end of the rod the test sample of yarn or thread is attached, to which opposite end a T-shaped rod with weights is suspended, which are mounted with the ability to move horizontally along the rod. In the central part of the T-shaped rod the power supply elements are located; the LED is mounted on one end, and the counterweight on the other. Coaxially to the T-shaped rod, under it in the housing, with the ability of vertical reciprocating movement the platform is mounted. For easy transportation and storage of the device in inactive status all the structural elements are stored in the housing.EFFECT: use of the present invention enables to improve the accuracy of measuring the torque of yarns and threads with simultaneous simplification of the measurement process.3 cl, 3 dwg

Device for fixing support of tensioning device on rail of spinning loom // 2493300
FIELD: textiles, paper.SUBSTANCE: device for fixing the support (2) of the tensioning device on the rail (3) of the spinning loom, and on the support the loading console (1) with a pressure roller is pivotally mounted, and the device has a two-arm lever (12) having the ability to rotate around the rotary axis (14) located with parallel axes relative to the rail (3), and the lever (12) comprises a first arm (15) of the lever, which for fixing the support (2) of the loading console (1) with the pressure roller can be brought into engagement with the recess (11) provided in the rail (3), and has a second arm (16) of the lever, on which the means (13) for positioning the lever (12) in the transport and mounting position or the fixing position influences.EFFECT: elimination of the need to hold by the personnel of the lever arm to locate the support on the rail in a position in which the lever arm can not come into interaction with any of the recesses located on the rail, elimination of the possibility of changing the set tilt of the support at the time when the device is not in a loaded condition.5 cl, 4 dwg

Device for measuring thread tension between ring traveller and package of flyer frame // 2485226
FIELD: textiles, paper.SUBSTANCE: invention relates to a device for measuring the thread tension between the ring traveller and the package of the flyer frame, it comprises a spindle, a drive pulley mounted on it, and a tube-holder with the board, made in its lower part and in contact with the ball bearing. The tube-holder is connected to the sleeve mounted on the spindle by means of metal balls arranged in the grooves made at an angle to the spindle axis. The sleeve is mounted on the spindle with the ability of free rotation around its axis by means of bearings mounted on the spindle at the levels of upper and lower parts of the package. And the lower part of the sleeve is coupled with the transition sleeve freely located on the spindle, and the transition sleeve is connected to the additional pulley mounted coaxially with the driving pulley and the sleeve with the tube-holder mounted on it. At that, the board formed at the lower part of the tube-holder is connected to the strain gauge.EFFECT: invention enables to improve accuracy of the thread tension measurement between the ring traveller and the package in production of yarn on the flyer frame, which enables to adjust quickly and optimise the technological process parameters, thereby improving the quality of winding yarn onto a package and providing reduction in its breakage.5 dwg

Drawing mechanism // 2478145
FIELD: textile, paper.SUBSTANCE: drawing mechanism comprises a bearing and a loading bracket (1) of upper rolls, where upper rolls loaded by a pneumatic method are installed (5, 6, 7). Each roll is installed on a transfer lever (3), capable of displacement along the vertical line, in a retaining device (2), placed in the bearing and loading bracket. The drawing mechanism also includes a pneumatic element (4), which exercises pressure to form a pressing force at the transfer levers (3), and also a pressing roll (8) of a compacting device, which, moreover, includes a lower roll, to which the pressing roll (8) is pressed with a force. Besides, the pressing roll (8) of the compacting device on the additional transfer lever (11) in the retaining device (10) is integrated into the bearing and loading bracket of upper rolls (1), and the pressing roll (8) via the pressing plate (12) is exposed to the pressing force of a pneumatic element (4), which provides pressure.EFFECT: invention provides for improvement of a drawing mechanism to achieve even load at all pressing rolls of compacting devices of a circular spinning machine with the possibility of setting this load.12 cl, 6 dwg

Regulator of band linear density on textile machinery // 2471899
FIELD: textiles, paper.SUBSTANCE: regulator of the sliver linear density on the textile machinery comprises a pair of control rollers one of which is connected to the sensor change in the linear density (synchro) of the band by the gear transmission connected to the receiving element (synchro) electrically connected to the electric motor of mechanism of the belt movement on the machine conoids, having a plug kinematically connected to the electric motor and a straight guide with the roller pressed to it mounted at an angle to the direction of its movement, which is rigidly connected to the plug, and the roller pressed to the guide is connected to the receiving element by the lever. At that time, the pinion drive of the gear transmission is made spring-loaded, with a patch and a finger, freely mounted on an eccentric axis connected to it through the adjusting screw by the washer rigidly mounted on it, as well as with the limiter with the ability to rest on the fixed part of the regulator housing, and the synchro shaft with a driven gear wheel comprises a gear wheel target of synchro which is spring-loaded to the patch of the pinion drive.EFFECT: invention enables to improve the reliability of operation of the regulator mechanism, and accuracy of regulation to improve the quality of generated sliver.5 dwg

Device for thread release at spinning machine // 2471898
FIELD: textiles, paper.SUBSTANCE: device for thread release at the spinning machine, characterised by the presence on the output of the drafting device of the adjusting device of the flow arc size with the outlet cylinder thread, made in the form of contacting bolster and roller in the form of an ellipse which is located on the secondary shaft, extending along the spinning machine and receiving the rotational motion of the front cylinder of the drafting device mounted with the ability of reciprocating movement in a plane perpendicular to the axes of the drafting pairs. In this case, the bolster and the roller of the control means have grooves for the passage of thread and are mounted with the ability of the flow the cylinder by the thread. To provide a low friction coefficient the surface of the grooves of the bolster and cylinder are made of thermoplastic polymers such as PTFE.EFFECT: invention enables to increase strength and to reduce breakage of obtained yarn by reducing the flow of the arc of the front cylinder by the thread, which contributes to the extension of twist to the clamp area of the thread formed by the front drafting pair.3 cl, 4 dwg

ethod of formation and preparing twist-free flax roving for spinning and device for its implementation // 2467103
FIELD: textiles, paper.SUBSTANCE: invention relates to the textile industry, in particular to flax spinning production, where, at the last manufacturing step, to produce flax yarn the semi-finished in the form of roving is used. The method of formation and preparing flax roving for spinning, according to which, broken thread exiting drafting device is soaked in electrochemically activated water solution with an oxidation-reduction potential from minus 1000 mV to plus 1000 mV and the acidity of 2-12 pH at the temperature of 16-40°C. And the wetting is carried out directly to the cavity of the chemical reactor designed for obtaining electrochemically activated water solution.EFFECT: invention enables to reduce the time, to reduce energy and water consumption for chemical treatment of roving, refuse chemicals which can lead to lowering disposal costs resulting from chemical processing of roving, solutions.2 cl, 2 dwg

Drafting device of spinning machine // 2467102
FIELD: textiles, paper.SUBSTANCE: invention relates to the spinning manufacture of textile industry and can be used on flyer frames. The drafting device of the spinning machine comprises drawing rollers including cylinders, pressure rollers, and a facility for adjustment of flow arc with an outlet cylinder thread, which is mounted with the ability of reciprocating movement of the thread guiding elements in the vertical plane. The facility for adjustment of flow arc with an outlet cylinder thread is made in the form of a metal T-shaped rod with thread guiding elements, which is mounted in the mechanism of the electromagnetic vibrator. The electromagnetic vibrator is mounted in the housing placed in the front part of the swinging lever of the drafting device load.EFFECT: use of this invention enables to reduce breakage and to increase the strength of the yarn produced.3 dwg

Balloon divider of spinning or spinning and twisting machine // 2460831
FIELD: textiles, paper.SUBSTANCE: balloon divider of spinning or spinning and twisting machine, characterised by the presence of concentrically arranged upper and lower elements made in the form of rings with a slot for bringing the fiber and located coaxially to the ring of the rotor. The ratio of diameter of the upper ring to the diameter of the lower ring is made as 1 to (1.15÷1.25), while the rings are mounted with an ability of vertical reciprocating movement and mounted with holder on the screws, placed in a metal housing, placed on a spindle rod. The diameter of the lower ring of the balloon divider is made larger than the diameter of the spinning ring.EFFECT: invention enables to increase strength of the yarn, to improve the quality of its winding on the tube chuck and increase productivity of the equipment by improving the speed rate of the machine operation, to increase nonfailure operation time of twisting-winding pair of the rotor.1 tbl, 4 dwg

Needle drum of rotor spinning machine // 2447209
FIELD: textiles, paper.SUBSTANCE: needle drum of rotor spinning machine comprises a cylindrical shell with rows of needles of the card clothing and axis of rotation. Between the rows of needles on the cylindrical shell of the drum parallel to its longitudinal axis the benches are made with a cross section having the shape of a right angle of right-angled triangle, the short leg of which is directed along the radius of the drum, and turned toward his rotation.EFFECT: invention enables to improve the combing capacity of the drum and to improve the output of fibers in the turbine of the spinning chamber of rotor spinning machine.2 dwg

Thread-guide system of flyer frame // 2443809
FIELD: textile, paper.SUBSTANCE: thread-guide system of flyer frame contains a hinged holder pivotally mounted on a plate along the cylinder rod and a sleeve mounted in a bearing with a thread-guiding element fixed inside it. Between the front exhaust pair and the hinged holder, thread-guides are placed in the form of rolls, made with a cross elliptical section and with borders around the edges, and mounted on an additional shaft placed along the machine, receiving rotational motion from the front cylinder of the exhaust device. At that on the sleeve mounted on the hinged holder, a gear is installed in contact with the worm screw, coupled with the front cylinder of the exhaust device, imparting a rotary motion to the thread-guiding element. The thread-guiding element is represented as a twisting tube.EFFECT: use of the given invention enables to improve the performance of the flyer frame due to reducing breakage of yarn and improve the quality of manufactured yield.3 cl, 3 dwg

Combing roller of rotor spinning machine // 2443808
FIELD: textile, paper.SUBSTANCE: combing roller of a rotor spinning machine contains a cylindrical shell, covered with card fillet, which needles are mounted on a cylindrical surface of the drums in rows along the generator with a pitch t. Needles in the rows are located in checkered order with a shift by half a step t, rows of pins are mounted between the rows of needles with a pitch of 1/2 t, and of 1/4 t between them and the needles. The height of the pins is from 0.5 to 0.8 needle height, the upper part of the pins is shaped like half-cylinders, and the lower part embedded into the body of the shell has a cylindrical shape. The flat surface of the pins is directed towards the drum rotation.EFFECT: invention enables to improve the combing capacity of the drum and to improve the output of fibers into the turbine of the spinning chamber of rotor spinning machine.3 dwg

Compaction funnel for textile machines // 2440448
FIELD: textile, paper.SUBSTANCE: compaction funnel for textile machines is made in the form of a hollow curvilinear truncated cone comprising a wall with a side that is convex to inside, an input and output round holes, a board at the side of the input hole. On the wall side that is convex to inside there are longitudinal grooves.EFFECT: reduced negative effect of air squeezed from fibre mass to surface layers of a tape, supports parallelism of fibres.2 cl, 5 dwg

Condensing funnel for textile machines // 2437969
FIELD: textile, paper.SUBSTANCE: condensing funnel for textile machines is made in the form of a hollow curvilinear truncated cone, having an inlet and an outlet round holes and a flange at the side of the inlet hole. The end of the outlet hole is divided into parts of a slot. At the outer side of the wall there are grooves provided as cut with slots. Slots are made as expanding in direction of the outlet hole end. Slots are arranged along the helical line.EFFECT: funnel improves the structure of condensed fibrous material, which helps to reduce semi-finished goods breakage at subsequent process transitions.4 cl, 4 dwg

Condensing funnel for textile machines // 2431702
FIELD: textile, paper.SUBSTANCE: condensing funnel for textile machines is made as a hollow curvilinear truncated cone, having a wall, an input and an output round holes, and a board at the side of the input hole. A replaceable belt shaper is attached to the wall at the side of the output hole end.EFFECT: condensing funnel for textile machines is efficient, convenient in use, makes it possible to change density of fibres in a shaped belt.3 cl, 2 dwg

Twisting winder of textile machine // 2421557
FIELD: textile, paper.SUBSTANCE: twisting winder of a textile machine comprises a ring with a runner fixed in its supporting bush with turbine and blades arranged on it and mounted in the body with holes arranged opposite to the blades. At the same time between the bush and the circular plank there is a rolling bearing, expansions are provided in the upper part of the runner at both sides from the area of the runner contact with yarn, and also symmetrically in its lower part. At the same time the ring is arranged as hollow and has perforation, arrangement of which is coupled with runner expansions. In the ring support and in the bush there are channels coupled with each other and with the ring cavity, and the lower part of the bush is installed on a bearing arranged in the body.EFFECT: increased speed of the runner movement along the ring by imparting rotation motion to the ring and reduced friction between the runner and the ring, which makes it possible to considerably increase frequency of spindles rotation, device application makes it possible to reduce yarn breakage and to improve its quality.5 dwg

Pneumatic draw plate for textile machine // 2420447
FIELD: textile, paper.SUBSTANCE: invention relates to the field of textile industry and may be used in textile machines. The pneumatic draw plate comprises a lengthy body with a channel. The inner section of the channel in the area of the middle longitudinal axis has a smaller width compared to the extreme areas. The extreme areas are arranged as tubular. The inner cross section of the pneumatic draw plate body increases in direction from the inlet hole of the draw plate body in axial direction to the outlet hole arranged at the end side. The reliable positioning of long thread stitches is ensured.EFFECT: invention prevents knots on a thread.7 cl, 4 dwg

Drawing tool of spinning machine // 2418114
FIELD: textile, paper.SUBSTANCE: drawing tool of spinning machine comprises several drawing pairs, including cylinders, press rollers and facility for adjustment of flow arc with an outlet cylinder thread. The facility to adjust the flow arc with the outlet cylinder thread is arranged in the form of contacting roller and cylinder of equal diameters, installed with the possibility of reciprocal movement in plane perpendicular to axes of drawing pairs, at the same time the roller and the cylinder of the facility for adjustment of the flow arc with the outlet cylinder thread are installed with the possibility to envelop the cylinder with yarn, and a groove is provided on the roller opposite to the cylinder groove. To provide a low friction coefficient, the surface of the roller and cylinder grooves is made of fluoroplastic.EFFECT: invention makes it possible to increase strength and to reduce breaking of the produced yarn by reduction of flow arc with the outlet cylinder thread, which helps to spread twisting into zone of thread pressing formed by the front drawing pair.2 cl, 7 dwg
ethod for formation and preparation of linen roving for spinning // 2404300
FIELD: textile, paper.SUBSTANCE: according to the method, broken thread exiting drafting device is soaked in solution, by means of its compaction, rove is formed, and formed rove is wound onto reels of cross winding, which are chemically treated and then processed into yarn. Broken thread is soaked with electrochemically activated aqueous solution with oxidation-reduction potential from minus 1000 mV to plus 1000 mV, acidity of 2-11 pH at the temperature of 16-40°C, and produced rove, not earlier than in 30 minutes after the formation, is processed into yarn.EFFECT: faster process of rove formation and preparation for spinning, reduced power inputs from 4200 kJ/kg to 3 J/kg and water consumption for chemical treatment of rove, rejection of chemical agents, which makes it possible to reduce costs of recycling coming as a result of chemical treatment of rove by solutions, and elimination of bulk and expensive equipment for chemical treatment of rove.1 tbl

Device for local air distribution into process zone of spinning equipment // 2400578
FIELD: textile, paper.SUBSTANCE: device may be used in various technological processes of textile industry for local distribution of plenum air directly into process zone of equipment in order to develop and maintain required parametres of microclimate required to make high-quality products. Device is installed over supply frame of spinning machine, directly into process equipment, and represents air duct without upper channel for air outlet, cross section of which reduces along with air motion. Air duct comprises walls arranged in the form of flat screens with longitudinal slits for air passage, arched screens with longitudinal slots, edges of which are bent along with air flow motion, and reflecting planks connected to walls of air duct by means of plate separators of air flow. Longitudinal slots of plate separators are bent along with air motion to arrange two air-directing channels between each reflecting plank and external walls of air duct, having holes, these channels are oppositely directed in cross section of air duct to provide for collision of air flows and their outlet into process zone along channels formed between longitudinal edges of neighbouring reflecting planks. At inner side of air duct walls there are additional arched screens with longitudinal slots arranged in a row, and in external walls of air duct there are longitudinal slots arranged in two rows, in staggered order relative to slots of arched screen.EFFECT: increased extent of plenum jet attenuation, reduced resistance, provision of smoother and more even outlet of air from air distributor into process zone of textile equipment and reduction of its flow rate.2 dwg

Facility for cutting out sample of twisted fibres and for measuring their parametres // 2393277
FIELD: machine building.SUBSTANCE: lenses are sequentially arranged in case of facility, while knives are installed perpendicular of case axis on its end. Light diodes and a transparent plate are arranged in the case of the facility before the knives; the plate can be made out of Perspex. A mechanism of knives drive is made in form of a spring loaded hook kinematically connected with a knives clamp. The facility is equipped with elements of electric feed. The case of the facility has a shape of a truncated prism.EFFECT: facilitating measuring parametres of twisted fibres directly during sampling in zone of process equipment and simultaneously upgraded accuracy of measurement.3 cl, 3 dwg

ethod for determining textile chafe mark properties as per computer picture // 2384658
FIELD: textile, paper.SUBSTANCE: method for determining textile chafe mark properties as per computer picture can be used during analysis of textile fibre structure in order to investigate its properties by means of laboratory tests. According to the method there determined is chafe mark characteristic showing total length of hairs; fibre is wound on the board of contrast colour with constant pitch and tension; the prepared fibre specimen is laid on the working surface of scanner so that longitudinal fibre axis is perpendicular to light-sensitive element of scanner; there obtained is fibre section picture by scanning in the specified direction and digital values corresponding to its brightness. Then matrix of pixel brightness values is built, then those values are summed as per columns of the matrix, fibre stem section is pointed out by applying the filtration in upper threshold brightness level obtained by building a brightness histogram. In the same way there pointed out is fibre hair section in lower threshold brightness level, the picture is cleaned from the sections characterising the occasional non-uniformity of scanning surface by applying object search operations and calculation of their signs, and there built is central line of fibre picture and a curve in sections on both sides from fibre stem, which corresponds to the number of light pixels in each column of matrix and represents the junction of relative density of hairs located throughout the fibre length without taking into account a fibre stem section. Left part of curve is mirrored to the right one, a point is marked in curves by calculating the derivative of those curves, and limits of zones of dense, informative and occasional hairs are determined with cross points of a tangent to a curve built through the above calculated point and with drawn horizontal lines correspondingly to maximum and minimum number of pixels. Number of hairs in the section is determined by identification of a dressing point and by investigating the area around it; total length of hairs is calculated by adding the number of pixels in each column minus pixels of fibre stem section. Chafe mark radius is measured by averaging pixel brightness values of fibre hair sections.EFFECT: enlarging functional capabilities, decreasing errors and increasing objectivity of determining chafe mark properties.6 dwg

Device for removal of technological air from fibre-processing elements of spinning machines // 2351697
FIELD: textile, paper.SUBSTANCE: invention relates to textile industry and concerns device for removal of technological air from fibre-processing elements of spinning machines, for instance self-twist spinning machines. Device contains ventilator, connected by outlet branch pipe with expansion chamber, made with located inside it sound-insulating covering, and air duct with evenly located on it absorbing branch pipes for connection with fibre-processing elements of machine, horizontally installed along machine and connected with one end by means of transition chamber with chamber for fluff collecting, which has filter on opposite to transition chamber wall and is connected from filter side with inlet branch pipe of ventilator. Between chamber for fluff collecting and inlet branch pipe of ventilator expansion chamber is located. Inlet branch pipe of ventilator is made elastic from elastic sheet vidrodamping material with coefficient of inner loss not less than 0.2. In expansion chamber temperature detector is placed, in bunker for dust collecting emergency detector of dust level is placed, and in outlet box of filter section heat automatic detector-annunciator is placed, whose outlets are connected with the general one of dust catcher is installed collector with sprayers for connection to fire-extinguishing system, its control unit is connected to general microprocessor. Control unit of system of hose filters regeneration is connected by means of electronic connection with general microprocessor. System of hose filters regeneration with mechanism of pulse blowing-through ensures automated control of electromagnetic valves of compressed air in case of excessive pressure about Pe=0.4÷0.8 Pa and pulse duration τ=0.1÷0.2 sec and simultaneous blowing-through of a number of hoses without stopping filtering process m=5÷10%. Filtering elements of hose type are located in straight rows or in chess order. Ration of hose length L to its diameter D is within optimal limits L/D=15÷40. As material of filtering hose elements both woven materials with methods of weaving: linen, twill, sateen; with types of fibres in thread: staple, filament, textured; with surface processing: smooth and teaseled, and non-woven with methods of fibre fixation: needled, linen-pierced and glued. Sound-absorbing material of expansion chamber is made basing on aluminium-containing alloys with their further filling with titanium hydride or air with density within 0.5÷0.9 kg/m3, with compression strength within 5÷10 MPa and bending strength within 10÷20 MPa.EFFECT: increase of dust catching efficiency and noise reduction and enhancing safety.2 cl, 3 dwg

Protection and cleaning device for caterpillar comb of drafting element // 2343236
FIELD: textiles; paper.SUBSTANCE: device is meant for protection and cleaning of caterpillar combs of the drafting element of textile machine. The device contains rotatable cylindrical brush, which position in relation with the drafting device changes as a result of winding of textile material around the caterpillar. The coiled material is removed with the cylindrical brush that causes increase of its visible diameter and causes the turn of the bearing of the cylindrical brush movable support or a lever. The cylindrical brush is situated on the way of withdrawal preferably as close as possible to the drafting cylinders. The cylindrical brush position may change in relation to the drafting device consequently from the position of comb cleaning till the withdrawal position. The sensor for determination of the cylindrical brush position in relation to the drafting device stops the machine in case of withdrawal of the cylindrical brush as a result of winding of textile material around the caterpillar. The axis of rotation of the cylindrical brush is set on the lever or on the movable base rotating around their axis that is immovable in relation to the machine body and is rigidly fixed with the machine body.EFFECT: detection of excessive pollution of brush, prevention from mechanic damage as a result of winding of textile material around the caterpillar and increase of the intervals between brush cleanings and, thus increase of machine capacity and reduction of labor cost.21 cl, 10 dwg

ethod for producing of combined current-conductive thread // 2318931
FIELD: textile industry, in particular, production of combined current-conductive threads used for manufacture of protective current-conductive gloves.SUBSTANCE: method involves producing current-conductive threads having linear density of from 200 to 400 tex by forming current-conductive blank through winding of two-four plated threads onto one carbon fiber used as core, said winding being performed in various directions and number of windings constituting 5-20 coils per 1 m; providing further winding using threads Pycap having greater rupture loading. Winding equipment to be used should provide 260-370 coils per 1 m.EFFECT: improved strength, increased wear resistance and reduced electric resistance of threads produced by method.2 cl, 2 dwg, 1 ex

Housing for draw frame // 2311503
FIELD: textile industry, in particular, equipment for draw frame.SUBSTANCE: housing has sound-isolating guard made in the form of drop cover fixed on vibration-active units of draw frame. Sound-absorbing guard is positioned on head part of draw frame having comb planks. Sound-absorbing layers are fixed on inner surface of guard. Thickness of vibration-absorbing layer exceeds that of cover material by 2-4 times. Housing members are mounted on draw frame by means of vibration-isolating rubber layers having total rigidity lower than that of cover. Vibration-absorbing layer is made from elastic vibration-absorbing sheet material having intrinsic loss coefficient of at least 0.2, or composite, or plasticized rubber. Sound-absorbing material for guard consists of members made from basalt-based mineral wool, or mineral wool, or basalt wool, or glass wool lined with glass felt, or foamed polymer such as polyethylene or polypropylene. Sound-absorbing member is lined with acoustically-transparent material such as glass cloth or polymer, said material being applied onto entire surface of said member. Sound-absorbing material for guard may be based on aluminum-containing alloys which are further filled with titanium hydride or air with density ranging between 0.5 and 0.9 kg/m3, and having the following strength characteristics: compression strength ranging between 5 and 10 MPa and flexural strength ranging between 10 and 20 MPa. Sound-absorbing material for guard may be made from soft foamed porous sound-absorbing material such as polyurethane foam or polyethylene foam, or rigid porous sound-absorbing material such as foamed aluminum. Sound-absorbing material may be alternatively made in the form of crumbs of solid vibration-damping materials such as elastomer, polyurethane, or plasticized rubber, said crumbs being placed into enclosure of sound-conducting material. Crumb fractions have optimal sizes ranging between 0.3 and 2.5 mm.EFFECT: increased efficiency in reducing of noise created during operation of draw frame.6 cl, 1 dwg

Housing for spindles of textile machine // 2311502
FIELD: textile engineering.SUBSTANCE: housing has guard formed as body and mounted on spindle bar of textile machine, at the level of spindles, along row of spindles and provided with vertical detachable cover and vibration-absorbing and sound-absorbing layers, both fixed to guard inner surface. Guard body consists of upper and side plates rigidly attached to spindle bar, and detachable cover consisting of lower horizontal plate and vertical beveled plate. Thickness of vibration-absorbing layer fixed to plates exceeds thickness of body and cover plates by 2-4 times. Vibration-absorbing layer is elastic vibration-absorbing sheet material having intrinsic loss coefficient of at least 0.2, or composite material, or plasticized rubber. Sound-absorbing material of guard has members made from basalt-based mineral wool, or mineral wool, or basalt-based wool, or glass wool lined with glass felt, or foamed polymer such as polyethylene or polypropylene. Sound-absorbing member is lined with acoustically transparent material such as glass cloth or polymer applied onto its entire surface. Sound-absorbing material for guard may be made from soft foamed porous sound-absorbing material such as polyurethane foam, or polyethylene foam, or rigid porous sound-absorbing material such as foam aluminum. Sound-absorbing material for guard may be made in the form of crumbs of solid vibration-damping materials such as elastomer, polyurethane or plasticized rubber, said crumbs being placed within enclosure of sound-conducting material. Crumb fraction has sizes ranging between 0.3 mm and 2.5 mm.EFFECT: increased efficiency in reducing of noise created by rotating spindles.5 cl, 1 dwg
 
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