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Device for container filling with powder products

IPC classes for russian patent Device for container filling with powder products (RU 2284286):

B65B1/12 - MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING (bundling and pressing devices for cigars A24C0001440000; paper-bag holders as shop or office accessories A47F0013080000; apparatus for coating, e.g. by dipping, B05C; devices for tensioning and securing binders adapted to be supported by the article or articles to be bound B25B; nailing or stapling devices B25C, B27F; inserting documents in envelopes and closing the latter B43M0003000000, B43M0005000000; labelling B65C; wrappers, containers or other packaging elements, e.g. binders, closures, protective caps, B65D; transport or storage devices B65G; devices for handling sheets or webs of interest apart from their application in packaging machines B65H; applying closure members to bottles, jars or similar containers B67B; hand- or power-operated devices not attached to, or not incorporated in, containers or container closures for opening closed containers B67B0007000000; packaging of matches C06F; wrapping sugar during manufacture C13B0045020000; packaging of ammunition or explosive charges F42B0039000000; making containers or receptacles, see the appropriate subclasses);

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Automatic machine for forming glued paper bags used for powder material package / 2264332
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Device for container filling with powder products / 2284286
Device comprises auger feeders, which provide rough and precise material metering and have augers arranged in transportation pipes in which inlet and outlet orifices are created. Outlet orifices of conveying pipes of rough and precise metering feeders are communicated with each other. Axis of precise metering feeder auger is below axis of rough material metering feeder and distance between the axes is 0.51-1.3 of auger diameter sum. Conveying pipe of precise material metering feeder communicates with that of rough material metering feeder through inlet orifice of precise material metering feeder. Vertical projection of inlet orifice of rough material metering feeder onto horizontal plane encloses inlet orifice of precise material metering feeder, wherein the overlapped area is 0.2-0.8 of that of inlet precise material metering feeder orifice. Lead of rough material metering feeder in overlapped area is 0.2-0.5 of length thereof. Diameter of conveying pipe of precise material metering auger is 0.2-0.6 of that of rough material metering auger. Ratio of volumes defined by auger turns of precise and rough material metering feeders are within the limits of 1:7 - 1:12.

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Loose material compactor / 2299161
Invention can be used for compacting finely dispersed powders susceptible to adhesion. Proposed device has housing, loading and unloading devices, drive, blades arranged inside housing and installed for radial displacement, and cam limiting radial displacement of blades. Resilient members providing reverse movement of blades are arranged on outer surface of housing. Blades are arranged between housing and cam on surface of which unloading device is installed.

FIELD: powder material packing equipment, particularly to pack flour, grain and so on in containers with the use of high-capacity plants.

SUBSTANCE: device comprises auger feeders, which provide rough and precise material metering and have augers arranged in transportation pipes in which inlet and outlet orifices are created. Outlet orifices of conveying pipes of rough and precise metering feeders are communicated with each other. Axis of precise metering feeder auger is below axis of rough material metering feeder and distance between the axes is 0.51-1.3 of auger diameter sum. Conveying pipe of precise material metering feeder communicates with that of rough material metering feeder through inlet orifice of precise material metering feeder. Vertical projection of inlet orifice of rough material metering feeder onto horizontal plane encloses inlet orifice of precise material metering feeder, wherein the overlapped area is 0.2-0.8 of that of inlet precise material metering feeder orifice. Lead of rough material metering feeder in overlapped area is 0.2-0.5 of length thereof. Diameter of conveying pipe of precise material metering auger is 0.2-0.6 of that of rough material metering auger. Ratio of volumes defined by auger turns of precise and rough material metering feeders are within the limits of 1:7 - 1:12.

EFFECT: increased packing speed and accuracy, prevention of material caking and "tunnel" forming around auger of both auger feeders.

3 dwg

The invention relates to techniques for packaging products in containers, mostly grain, flour, etc. and can be used in installations of high performance.

A device for loading containers of bulk material (see, e.g., Pat. Of the Russian Federation No. 1562237, MCL 65 In 1/06 from 01.06.88 year). The disadvantage of these devices is the fact that while loading containers weighing packing product occurs unacceptably large error, due to the fact that the falling product has a dynamic effect on the scales. To reduce this error it is necessary to reduce the capacity of the plant. Another solution to this problem is the use of one - and two-way valves blocking the access of the material in the container (see, e.g., Pat. Of the Russian Federation No. 2123461, MCL 65 In 1/00 from 03.10.97 year). The disadvantages of these technical solutions is constructive complexity, intensity and lack of precision packaging.

Known also weighing machine with feeders coarse and fine dosing, in which the dispenser metering runs continuously, and the dispenser coarse dosing stops after you leave the greater part of the dose (see U.S. Pat. Of the Russian Federation No. 2010753, MCL 65 In 1/32 from 26.04.91 year). However, this solution does not provide sufficiently accurate dosing at higher speed packaging bulk product, because interest is the intensity of the flow feeder exact dosage depends on the number and distribution of the packaged product in the cavity of the bunker.

The closest to the proposed device technical solution is a device for packaging products in containers, comprising a screw feeders coarse and fine dosing, with screws arranged in the distributor tubes that have inlet and outlet openings, the outlet openings of the conveyor tube feeders coarse and fine dosing of the joint (See, e.g., Demsky A.B. and other Equipment for the production of flour and cereals. The Handbook. Ed. Profession, St. Petersburg, 2000, str, 399, Fig. 97). However, this device does not provide the necessary precision packaging due to the complexity of ensuring stable operation of the screw feeder, which depends on the number and distribution of the packaged product in the hopper. This circumstance forces decrease the speed of the packaging of the product. The aim of the invention is to improve the speed and accuracy of filling

To this end, in the device for packaging products in containers, comprising a screw feeders coarse and fine dosing, with screws arranged in the distributor tubes that have inlet and outlet openings, the outlet openings of the conveyor tube feeders coarse and fine dosing of the joint, the axis of the screw feeder accurate dosing is located below the axis of the screw feeder rough dose the Finance, the distance between the axes selected in the range of 0.51-1.30 on the sum of the diameters of the screw conveyor pipe screw feeder exact dosing communicated with the transport pipe screw coarse dosing through the inlet of the screw conveyor accurate dosing, the vertical projection of the inlet screw feeder coarse dosing on the horizontal plane overlaps the inlet of the screw conveyor accurate dosing, the area of overlap is 0.2-0.8 times the area of the inlet of the feeder metering, step feeder screw coarse dosing on the area of overlap is 0.2 to 0.5 of its length, the diameter of the transport pipe auger exact dosage is 0.2-0.6 diameter of conveying pipe screw coarse dosing, the one-turn-to-turn volumes screw feeders fine and coarse dosing range from 1:7 to 1:12.

The invention is illustrated by drawings, which schematically shows an embodiment of the device in accordance with the invention. Figure 1 shows the block diagram of the device; figure 2 - layout of the screw - section of the device illustrating the connection of the feeder exact dosing to the feeder coarse dosing; figure 3 - an example of positioning projections inlet feeders.

On black the hedgehogs marked: screw feeders coarse 1 and precise 2 dosing with screws 3 and 4, respectively, located in the distributor tubes 5 and 6, are input 7, 8 and output 9 and 10 openings, the outlet openings 9 and 10 of the conveyor pipes 5 and 6 are combined, the axis 11 of the screw 4 of the feeder 2 accurate dosing is located below the axis 12 of the screw 3 feeder 1 coarse dosing, the distance 13 between the axes 11 and 12 is selected in the range of 0.51-1.30 on the sum of the diameters of 14 and 15 screws 3 and 4, the conveyor tube 6 of a screw feeder 2 exact dosing communicated with the transport pipe 5 of the screw 3 feeder 1 coarse dosing through the inlet 8 a screw feeder 2 accurate dosing, the vertical projection of the inlet 7 of a screw feeder 1 coarse dosing on the horizontal plane overlaps the inlet 8 of a screw feeder 2 accurate dosing, the area of overlap is 0.2-0.8 times the area of the inlet 8 of the feeder 2 accurate dosing (area specified overlap figure 3 shaded), step screw 3 feeder 1 coarse dosing on the area of overlap is 0.2 to 0.5 of its length, the diameter of the conveyor tube 6 screw 4 exact dosage is 0.2-0.6 diameter of the transport pipe 5 of the screw 3 coarse dosing, the one-turn-to-turn volumes screws 3 and 4 feeders accurate 2 and coarse 1 dosage range from 1:7 to 1:12.

The device works with edusim way. As in known devices feeders coarse and fine dosing in the first period of the loading container filling her product is produced with maximum intensity, which are the feeders 1 and 2 at the same time. Since the performance of the feeder 1 coarse dosing significantly better than the performance of the feeder 2 accurate dispensing and supply of product in the screw feeder 2 occurs through the inlet 8, the period of joint work of feeders 1 and 2 (fast load) inlet 8 is constantly filled with the Packed product. When the feeder 2 exact dosing begins to work alone, (screw feeder 1 coarse dosing is stopped), the initial conditions of its operation are the same every time, and in the process of accurate loading of Packed material does not flow into the inlet 8, since the portion of the tube 5, through which the packaged product is fed into the pipe 6, is covered by a fixed screw 3 feeder 1 coarse dosing at any position of this screw. Thus, after fixing the bag (not shown) included in the beginning both of the feeder 1 and 2, through which the packing material is intensively supplied to simultaneously weigh the bag. When a certain preassigned weights of the screw feeder 1 is turned off, however, the packing material spilled through the inlet hole is the hole 8 of the tube 5 of the screw 1, continues to flow through the hopper into the bag guaranteed to be the same each time the initial conditions. Experiments have shown that when the selected ratio of the one-turn-to-turn volumes feeders, selecting the switch-off time of a screw feeder 2, taking into account the physico-mechanical properties of the packing material, it is possible to ensure the required accuracy of the packing material. The specified ratio of the size of the holes, the step sizes of screws and their diameters ensures that in each cycle the presence of almost the same amount of material in the feeder 2 and, respectively, the same mode of its operation regardless of the number and location of the Packed material in the supply hopper, i.e. is provided each time the stability conditions and the exact process of packing. This is particularly important to account for the error of weighing the dosed product, since it results in the same error, due to the dynamic impact of falling product and the weight of the column of falling product after stopping the dosing accurate dosing, and this bias weighting can be easily removed during setup. In addition, the ratio of dimensions of the design virtually eliminates the possibility of clumping of the material and the formation of the so-called tunnel around both auger screw is of ettela.

Device for packaging products in containers, comprising a screw feeders coarse and fine dosing with screws arranged in the distributor tubes that have inlet and outlet openings, the outlet openings of the conveyor tube feeders coarse and fine dosing of the joint, characterized in that the axis of the screw feeder accurate dosing is located below the axis of the screw feeder coarse dosing, the distance between the axes selected in the range of 0.51-1.30 on the sum of the diameters of the screw conveyor pipe screw feeder exact dosing communicated with the transport pipe screw coarse dosing through the inlet of the screw conveyor accurate dosing, the vertical projection of the inlet screw feeder coarse dosing on the horizontal plane overlaps the inlet of the screw conveyor accurate dosing, the area of overlap is 0.2-0.8 square entrance aperture of accurate dosing feeder, step feeder screw coarse dosing on the area of overlap is 0.2 to 0.5 of its length, the diameter of the transport pipe auger exact dosage is 0.2-0.6 diameter of conveying pipe screw coarse dosing, the one-turn-to-turn volumes screw feeders fine and coarse, dzirovani the range from 1:7 to 1:12.