A device for gripping and installation details
(57) Abstract:Usage: in engineering, Assembly-line production. The inventive device includes a work spindle 4 with the drive of the feeder 5, the nozzle 3, is rigidly connected with an operating rod, disk 1, associated with the nozzle spring 2, the separator 8 with the balls 7 that is installed between the disk and the spring ring fence 12, spring-loaded relative to the disk. In the guide holes of the disk 1 is set to the column 11 with the possibility of reciprocation. The columns are rigidly connected with the annular stop. Spring-loaded jaws for gripping parts in the form of a rocker arm 14 with rollers 17 hinged to the disk with the opportunity to interact with the annular stop by rollers 17. 1 C. p. F.-ly, 4 Il. The invention relates to mechanical engineering and can be used for automatic Assembly of parts like shaft sleeve with the help of robot manipulators.A device for pressing the bushings in the housing part containing the base, the base plate with anchor roller, pressing the mandrel, the sleeve with the brackets installed on the column with the possibility of free rotation around it. Pressing mandrel mounted on creditado of the known device is the complexity of the roller supports for the Cabinet parts, made in the form of a roller table.A disadvantage of the known device is its ability to install or extrude the details only in the form of a sleeve, which reduces its technological capabilities.The closest in technical essence and the achieved effect is a device for gripping and install bearing mounted in the housing of the working spindle, a plunger zapressovyvajut element associated with the rod and coaxially located in the glass, and seizure. The device is equipped with a cage with balls and a flexible coupling connecting it with the follower sensor and a spherical bearing, located in the glass, and adjustable connecting the working spindle with the pusher, and the separator is mounted on the flange, made at the end of the pusher, the sensor is placed with the opportunity to interact with the flange, and the capture is made in the form mounted on the glass of spring-loaded jaws.A disadvantage of the known device for capturing and installation of bearings is that it cannot be used for items that do not have chamfers on the ends, facing each other. In addition, items with a spherical or any other FAS.The aim of the invention is to improve the accuracy of alignment when installing components without lead-in chamfer on the ends or shaped ends.This is achieved by a device for gripping and installing parts that contain the working spindle with feed drive, the cage with balls, spring-loaded jaws for gripping parts, equipped with a nozzle rigidly connected with an operating rod, a disk with the guide holes, which is connected with the nozzle by means of a spring, a ring fence, a spring-loaded relative to the disk, speakers, mounted in the guide hole of the disk with the possibility of reciprocation, and the columns are rigidly connected with the ring fence, separator with balls installed between the disk and the spring and sponge to capture parts made in the form of a rocker arm with rollers, fixed the hinge on the disk with the opportunity to interact with the annular stop by the above-mentioned rollers. In addition, the focus ring is made from lead-centering conical surface and inverse conical surface, and a roller mounted for engagement with the tapered surface of the ring stops.In Fig. 1 shows a kinematic diagram of the arrangement of the parts of the device in the capture set of items; in Fig. 4 - section a-a in Fig. 3.A device for gripping and installation details contains disk 1, which means coaxially therewith, the spring 2 is pressed to the nozzle 3, is rigidly connected with the working shaft 4 of the drive of the feeder 5, available on any Executive body 6, such as a sliding or pivoting arm (not shown). Between the disk 1 and the nozzle 3 is placed balls 7 in the separator 8 having as disk 1 backlash in the radial directions relative to the nozzle 3, the maximum permissible errors of mismatch axes collect parts 9 and 10.In the holes of the disk 1, the axis of which is parallel to the axis of the latter, inserted at least two columns 11, rigidly connected with the annular stop 12 forming with the holes of the disk 1 translational pair of slip.Under the influence of spring 13 placed on the columns 11 between the disk 1 and the focus ring 12, the latter is extremely exposed relative to the disk 1 until it stops at the end of end clamps columns 11. On the periphery of the disc 1 hinged sponge in the form of a spring-loaded rocker arm 14, working in radial planes. In the upper shoulders of the rocker arm 14 against the spring 15 placed on the struts 16 of the disk 1. The ends of the lower arms of the rocker arm 14 are designed to olcavage stop 12. On the ring fence 12 is also tapered lead-in surface 18.The device operates as follows.When stroke 4 drive 5 filing with the nozzle 3 down (see Fig. 1) focus ring 12, meeting tapered lead-in surface to the outside edge landing speed holes or other, for example, external, coaxially with it the surface of the fixed part 10, will be in case of discrepancy between its axis with the axis of the landing speed holes to move under the influence of the efforts occurring in the contact zone of the lead-conical surface of the annular stop 12 with the outer edge of the stepped hole together with the disk 1 and the rocker arm 14, the bearing set item 9 in the radial direction to match their axes. The displacement of the disk 1, caused by the above-mentioned condition is ensured by mounting it on the nozzle 3 with backlash. Moreover, the disk 1 is moved relative to the nozzle 3 by rolling on the balls 7 that are held from rolling in different directions on the disk 1 free on the separator 8. The displacement of the disk 1 with respect to the nozzle 3 causes a deflection of the Central spring 2 from the vertical, stretching it. Continuing its course down the shaft 4, carrying at the same time shifting the his (see Fig. 2). While the rollers 17 of the rocker arm 14 comes into contact with a reverse cone stationary centered thrust ring 12 and rotates the rocker arm 14, releasing, and thereby setting item 9. And item 9 to gunzip the rocker arm shaft 14 need not be fully inserted into the hole. And when the rocker arm 14 opens, item 9 freely lowered into the hole until it stops at the collar of his head, which should be on the end face of the spherical surface or chamfer. The stem 4, having developed his overtravel stops. During the reverse stroke 4 reverses the sequence of the elements of the device, namely the rollers 17 of the rocker arm 14 out of contact with the reverse cone thrust ring 12, which remains stationary in the beginning the return stroke of the rod 4, the rocker arm 14 under the action of springs 15 are rotated to its original position. At the ends of the rocker arm, loosening item 9, slide on its spherical end face, leaving the item is fixed in the hole and further pressed to a fixed mating parts 10. Further, when further progress up to the stop rod 4 with a nozzle 3 by a spring-loaded disk 1 also moves upward, and thrust ring 12 in columns 11 under vozdeistviyami 9 to another stationary part 10 this is the end. After you move the device to another part 9 (see Fig. 3) located, for example, on the tray 19 mechanism piece of issue filed by the gate 20 from the drive 21, ingested it, which is as follows.The device is located above the captured item 9. When stroke 4 drive feeder 5 down spring-loaded rocker arm 14 carried them through the disk 1 is also down, interacting with a spherical surface to capture details 9 or, for example, chamfer apart and take it. When capturing is also centering rocker arm 14 with the disc 1 relative to the captured parts 9, i.e., the possible mutual offset of the axes of the disk 1 with the rocker 14 and captured part 9 is compensated by the radial movement of the disk 1, caused by the action of the efforts that occur in the zone of contact of the rocker arm 14 with a spherical surface to capture details 9. Movement of the rod 4, and in the end, the rocker arm 14 down, stops at the stop of their grooves on the end in a spherical end face of the captured details 9. Stroke up 4 item 9 held spring-loaded rocker arm 14, rises above the tray 19, prepared thereby for transportation to the place of its installation in the new stationary part 10. Do not touch any of the elements of the tray 19 at full stroke down 4.The proposed device for capturing and installation details compared to the prototype with high accuracy to establish the details of the different forming surfaces, namely those parts that do not have a lead-in chamfers or have shaped the ends. It also allows you to extend the operational capabilities of the device. (56) USSR Author's certificate N 612502, class B 23 P 19/02, 1979. 1. A DEVICE FOR GRIPPING AND INSTALLING PARTS that contain the working spindle with feed drive, the cage with balls, spring-loaded jaws for gripping workpieces, characterized in that, to improve the accuracy of alignment when installing components without lead-in chamfer on the ends or shaped ends, it is provided with a nozzle rigidly connected with an operating rod, a disk with the guide holes, which is connected with the nozzle by means of a spring, a ring fence, a spring-loaded relative to the disk, speakers, mounted in the guide hole of the disk with the possibility of reciprocation, and the columns are rigidly connected with the ring-fence, separator with balls installed between the disk and the spring and sponge to capture parts made in the form of a rocker arm with rollers, pinned samostroev by p. 1, the annular stop is made with the lead-centering conical surface and inverse conical surface, and a roller mounted for engagement with the tapered surface of the annular stop.
FIELD: repairing equipment of shops, namely of locomotive depots of railway road transport vehicles.
SUBSTANCE: movable installation includes lifting table having lower wheeled platform and jointly mounted on it upper stand; mechanism for lifting and descending said stand; power hydraulic cylinder mounted on upper stand and communicated by means of hydraulic lines through control unit with high-pressure pump system; clamping device for mounting-dismounting bearing assemblies. High pressure pump system includes tank, pump aggregate, draining pipeline, suction pipeline connecting inlet of pump aggregate with tank. Lifting and descending mechanism is in the form of hydraulic cylinder and it is mounted on lower platform. Pump aggregate is arranged on upper lid of tank and it is in the form of displacement hydraulic pump with electric motor. Filter is mounted in suction pipeline. Control unit is in the form of body having two built-in safety valves, tap distributor and built-in non-return valve. Manometer and additional filter connected with draining pipeline and having pouring hole are connected with control unit. Hydraulic lines are in the form of flexible hoses. Installation is provided with additional power hydraulic cylinder that forms together with connected in parallel main hydraulic cylinder unit of power hydraulic cylinders. Said unit of power hydraulic cylinders is placed on supporting sheet-plate mounted on upper stand with possibility of rotation or removal from upper stand and with possibility of moving in range of length of flexible hoses. Similar cavities of hydraulic cylinders are mutually communicated. Clamping device includes movable and stationary plates mounted respectively on rods and back lids of hydraulic cylinders and designed for joining tie rods of attachment.
EFFECT: enhanced reliability, no-failure operation of installation.
FIELD: assembling of precise units of instruments by pressing-in with use of calibrated effort, by riveting and expanding with use of precession tool.
SUBSTANCE: press includes П-shaped housing; adjustable table mounted in struts of housing and fixed to said struts by means of pins; power hydraulic cylinder with axial motion of rod; rotation drive of precession head; pumping station of hydraulic drive unit. Rotation drive of precession head includes electric motor and belt transmission. Power hydraulic cylinder is rigidly mounted on cross piece of housing and it carries plate on end of spring-loaded rod. Said plate supports two plungers spaced in parallel relative to axis of rod and spring-loaded relative to housing. Pulleys of belt transmission of rotation drive are mounted in casing. The last is secured to plate in such a way that driven pulley is mounted on spindle coaxially relative to rod of hydraulic cylinder and driving pulley is mounted on the same axis as shaft of electric motor placed in cross piece of housing. Driving pulley and shaft of electric motor are kinematically joined by means of other shaft whose one end is mounted in shaft of electric motor and whose other end is joined by means of sliding dowel with opening of supporting axle of driving pulley. Spindle of driven pulley is joined with precession head.
EFFECT: improved design providing enhanced rigidity and working accuracy of press.
FIELD: mechanical assembling procedures, namely equipment for assembling aggregates of caterpillar transport vehicles, for example semiautomatic machines for assembling caterpillar tracks.
SUBSTANCE: in apparatus for assembling chain stop plate is mounted in such a way that its working surface is arranged in plane normal relative to pressing in plane. Upper non-working portion of stop plate at side of ending pressing-in cycle is inclined in horizontal plane to side from rotor type conveyer. Lower non-working portion of plate in vertical plane is inclined relative to vertical line to side from rotor type conveyer. Stop part of pusher exceeds diameter of head of pin. Rigid guides are arranged in plane parallel to pressing-in plane; said guides are in the form of roller tables with pitch between rollers of roller table less than pitch of chain links. Guides embrace upper branch of conveyer from downwards and branch of chain from upwards at least along the whole length of it. Drive unit is provided in addition with back-stroke mechanism. Splitter is in the form of plate that is jointly mounted in its mean portion along lateral sides on supporting surface in horizontal plane along motion direction of conveyer for moving pins and it forms two-arm lever. One end of said lever is spring-loaded from downwards with possibility of engaging with dents of conveyer for moving pins. Other end of said lever is Г-shaped one and it may engage by free end with pins on inclined trough. Horizontal axes of articulation joints in vertical plane are provided with holding levers rigidly joined with plate and mounted with possibility of engaging with pins on inclined trough.
EFFECT: enlarged manufacturing possibilities, enhanced operational reliability.
FIELD: mechanical engineering.
SUBSTANCE: mandrel has guide, working part made of deformable teeth, calibration parts, and diverging groove made in the guide and working parts. The expanded end of the groove is in coincident with the origin of the guiding part. The groove that ends at the last deformable tooth of the working part has radius-shaped cross-section.
EFFECT: enhanced quality of the press joint and expanded functional capability.
FIELD: machine engineering, namely equipment for dismounting press-fit joints, possibly restoration of electric machines.
SUBSTANCE: apparatus includes housing with platforms for horizontal and vertical motions. Part to be dismounted is placed on horizontal motion platform and it is fed to stripping mechanism. The last is joined with vertical motion platform by means of fastening members and it is provided with adjusted grips supporting heating members with possibility of their axial movement. Heating members are in the form of nozzles for alternating feed of hot and cooled air.
EFFECT: reduced axial errors between dismounted part and stripping mechanism, lowered efforts for stripping parts.
5 cl, 5 dwg
FIELD: mechanical engineering.
SUBSTANCE: device comprises the mechanism for locking pressed parts made of an extensible sleeve. The first power hydraulic cylinder is used for moving parts and can rotate between two vertical unmovable pillars. The pillars are pivotally connected in pair with movable vertical pillars through the top and bottom horizontal clamps. The extensible spring-loaded stop with the drive and the first hydraulic cylinder are axially aligned. The first power hydraulic cylinder receives the second power hydraulic cylinder whose rod is provided with first center and spring. One end of the spring co-operates with the piston, and other end of the spring co-operates with the face of the extensible sleeve. The extensible stop receives the second center with the stack of plate springs that is coaxial to the first center. The bottom clams are provided with a lifting-rotating device.
EFFECT: reduced labor consumption for making and simplified structure.
1 cl, 2 dwg
FIELD: devices designed for simplifying procedures of assembling/disassembling units.
SUBSTANCE: crank stripper includes cross piece 1 supporting power mechanism in the form of one-way telescopic hydraulic cylinder 2 having thrust rod 3 for shaft of crank 14; mechanism for forced closing of foots having cylindrical discs 8, 9, paired plates 10 and double-arm levers 4,5. One arm is used for engaging with crank; other arm of is cone one and it may rest upon lateral surface of cylindrical disc secured to lateral side of cross piece. Double-arm lever whose arms are mutually inclined by obtuse angle is jointly mounted through paired plates in center of disc. Articulation joint of lever is mounted in edge portion of second lever arm on line of inner surface of first lever arm.
EFFECT: intensified clamping of part by foots, enhanced efficiency, lowered cost price of working operations.
FIELD: mechanical engineering.
SUBSTANCE: method comprises gripping the part to be dismounted and applying axial load by means of at least two ties and, e.g., hydraulic cylinder. The rod of the hydraulic cylinder cooperates with the face of the shaft. The ties are interconnected via a plate opposite to the end of the part to be dismounted. Each of the ties is provided with the eccentric groove. The ties are set in the openings in the part to be dismounted for permitting engagement by their step defined by the eccentric groove. Between the wall of the opening of the part to be dismounted and each tie is sickle-shaped bushing member. The hydraulic cylinder abuts against the plate so that to provide relationships D1 ≤ D2, b ≥ H, e = h, where D1 is the outer diameter of the tie, D2 is the diameter of the opening in the part to be dismounted, b is the width of the eccentric groove, H is the thickness of the part, e is the eccentricity of the groove with respect to the axis of the tie, and h is the maximum thickness of the sickle-shaped bushing member.
EFFECT: expanded functional capabilities.
1 cl, 2 dwg
FIELD: machine engineering, namely mechanical strippers.
SUBSTANCE: stripper includes traverse bar with grips, screw having two outer threads with different pitches; main detachable sleeve mounted by thread whose pitch is less than that of said screw; additional threaded sleeve mounted by second thread of said screw; holder embracing both sleeves, fixed relative to them in angular direction and resting by its inner shoulder upon end of main sleeve. Inner shoulder is formed on one end of holder; other open end of holder is arranged in through opening of traverse bar and it is rigidly joined with said bar. Threads of powerful screw have similar sign; additional sleeve has outer flange spaced from open end of holder by interval determined according to relation K = B1(H2/H1 - 1), where K - interval between outer flange of additional sleeve and open end of holder; B1 - displacement (caused by main sleeve) of part stripped by means of stripper; H2 - thread pitch of additional sleeve; H1 - thread pitch of main sleeve. Sleeves are mutually spaced by interval T exceeding value of mutual convergence of sleeves.
EFFECT: simplified usage of stripper.
FIELD: railway road machine engineering, possibly repairing of railroad machines.
SUBSTANCE: press includes frame having base and two struts mutually joined by means of two columns; working cylinder mounted on one of said struts; force and supporting traverse bars with rollers. Said traverse bars are arranged between struts of press frame and they are mounted with possibility motion on rollers along columns of power frame. Force traverse bar is mounted with possibility of fixing it to columns.
EFFECT: enlarged manufacturing possibilities, improved quality of combining wheel pairs, simplified design of press.