CN214111090U

CN214111090U - Multistage rubber crusher

Info

Publication number: CN214111090U
Application number: CN202023342331.3U
Authority: CN
Inventors: 李镇坤; 李炎坤; 李煊楠; 叶晓武
Original assignee: Guangzhou Hengli Sports Materials Co ltd
Current assignee: Guangzhou Hengli Sports Materials Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-03
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a multistage rubber crusher, which comprises a base, wherein the upper end of the base is provided with a connecting column, the upper end of the connecting column is provided with a first rolling shaft, one side of the first rolling shaft is provided with a rubber placing opening, one side of the rubber placing opening is provided with a first material conveying bin, the lower end of the first material conveying bin is connected with an intermediate support, one side of the intermediate support is connected with a support column, the lower end of the support column is connected with a third fixed block, the upper end of the third fixed block is provided with a first conveying belt, one side of the first conveying belt is connected with a second rolling shaft, one side of the second rolling shaft is provided with a material conveying end, one side of the material conveying end is provided with a first dust cover, the lower end of the first dust cover is provided with a rolling body, the lower end of the rolling body is connected with a rolling mechanism, the lower end of a first driving motor is provided with a triangular support, more dust is, reduce air pollution and reduce dust flying.

Description

Multistage rubber crusher

Technical Field

The utility model relates to a rubber crushing technical field, in particular to multistage type rubber crusher.

Background

Since the use of rubber materials has been recognized by human beings, the application range of the rubber materials is increasingly expanded, and particularly in recent years, the application technology and range of rubber particles are rapidly developed, the requirement on the fineness of rubber particles is higher and higher, and the requirement on equipment of a rubber fine pulverizer in the market is synchronously increased, in addition, the main transmission parts of the existing rubber crushing equipment are formed by connecting loose structures, the main rotating parts lack the integral stability, the powder outlet and sieving rates are poor, although the requirements of use can be met to some extent, on the one hand because the tool must be kept at a distance from the surface of the device, thereby leading a large amount of rubber materials not to be effectively contacted with the cutter for crushing and discharging when being crushed, thereby reducing the crushing effect, the efficiency of the crushing equipment is greatly reduced, the operation efficiency of the equipment is seriously influenced, and a large amount of dust pollutes the working environment while the rubber is crushed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a multistage rubber crusher, which comprises a first driving motor, a second driving motor, a driving shaft, a first belt pulley, a second belt pulley, a first conveying belt, a second conveying belt, a first conveyor belt, a second conveyor belt, a first rolling shaft, a second conveyor belt, a first conveyor belt, a second conveyor belt, a third conveyor belt, a fourth conveyor belt, a fourth, a fourth conveyor belt, a fourth conveyor belt, a fourth, the rubber particles are conveyed to a third conveying belt through a second conveying belt and finally reach a crushing mechanism, the granular rubber is crushed into fine particles under the rotating action of a first crushing cutter and a second crushing cutter, the dust is conveyed to a filter screen through a guide pipe due to more dust in the rubber crushing process, the dust reaches the filter screen through the guide pipe, the filter screen finally reaches a dust storage bag through a second guide pipe, air pollution is reduced, dust flying is reduced, the fine rubber particles reach a containing cylinder along a guide bin, the whole process from coarse rubber particles to fine rubber particles is completed, the crushing effect is improved under the dual action of a rolling mechanism and the crushing mechanism in rubber particle processing, the efficiency of crushing the rubber particles is improved, and a series of problems in the background technology are solved.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a multistage rubber crusher, which comprises a base, the upper end of the base is provided with a connecting column, the upper end of the connecting column is provided with a first rolling shaft, one side of the first rolling shaft is provided with a rubber placing port, one side of the rubber placing port is provided with a first material conveying bin, the lower end of the first material conveying bin is connected with an intermediate support, one side of the intermediate support is connected with a supporting column, the lower end of the supporting column is connected with a third fixed block, the upper end of the third fixed block is provided with a first conveying belt, one side of the first conveying belt is connected with a second rolling shaft, one side of the second rolling shaft is provided with a material conveying end, one side of the material conveying end is provided with a first dust cover, the lower end of the first dust cover is provided with a rolling body, the lower end of the rolling body is connected with a rolling mechanism, one side of the rolling mechanism is provided with a movable handle, a first driving motor is arranged on one side of the movable handle, a triangular bracket is arranged at the lower end of the first driving motor, a supporting body is arranged on one side of the triangular bracket, a first supporting foot pad is arranged at the lower end of the supporting body, a third rolling shaft is arranged at the upper end of the first supporting foot pad, a second conveying belt is arranged on one side of the third rolling shaft, a second supporting foot pad is arranged at the lower end of the second conveying belt, a fourth rolling shaft is arranged at the upper end of the second supporting foot pad, a second conveying bin is arranged at the upper end of the fourth rolling shaft, a fifth rolling shaft is arranged on one side of the second conveying bin, a third conveying belt is arranged on one side of the fifth rolling shaft, a third conveying bin is arranged at the upper end of the third conveying belt, a sixth rolling shaft is arranged on one side of the third conveying bin, and a fixing frame is fixed on one side of the sixth rolling shaft, one side of the fixing frame is provided with a second dust cover, one side of the second dust cover is provided with a slope plate, one side of the slope plate is provided with a crushing body, one side of the crushing body is provided with a crushing mechanism, one side of the crushing mechanism is connected with a cyclone cylinder, one side of the cyclone cylinder is connected with a second guide pipe, one side of the second guide pipe is connected with a dust storage bag, one side of the dust storage bag is provided with a first fixed block, one side of the first fixed block is connected with a containing cylinder, one side of the containing cylinder is connected with a second fixed block, the upper end of the second fixed block is provided with a guide bin, one side of the guide bin is provided with a first belt pulley, one side of the first belt pulley is provided with a second belt pulley, one side of the second belt pulley is provided with a driving shaft, one side of the driving shaft is connected with a fixing shaft, and one side of the fixing shaft is provided with a second driving motor, and a rotating belt is arranged at the upper end of the second driving motor.

As a preferred technical scheme of the utility model, the inside of rolling mechanism is provided with first blade disc, the lower extreme of first blade disc is provided with first rotating rod, the lower extreme of first rotating rod is provided with the second rotating rod, one side that the second rotated the stick is connected with the second blade disc.

As a preferred technical scheme of the utility model, rubbing crusher constructs's inside is provided with first pivot, one side of first pivot is provided with first crushing sword, one side of first crushing sword is connected with the second pivot, the lower extreme of second pivot is provided with the second fixed plate, the lower extreme of second fixed plate is provided with movable screen cloth, one side of movable screen cloth is provided with the baffle, the upper end of baffle is provided with first fixed plate, the upper end of first fixed plate is provided with the guide bar, one side of guide bar is provided with the crushing sword of second.

As a preferred technical scheme of the utility model, the inside of whirlwind section of thick bamboo is provided with the interface, one side of interface is connected with first pipe, the lower extreme of first pipe is connected with the suction cleaner, the lower extreme of suction cleaner is connected with the inlet scoop, one side of inlet scoop is provided with the filter screen, the upper end of filter screen is provided with cylinder portion.

As a preferred technical scheme of the utility model, it is rotatory that second driving motor passes through the electric drive mode drive driving shaft, it is rotatory that the driving shaft drives first belt pulley through rotating the belt.

As a preferred technical scheme of the utility model, a splendid attire section of thick bamboo is fixed through first fixed block and second fixed block.

As an optimal technical scheme of the utility model, third fortune feed bin is through welded mode and mount reciprocal anchorage, the mount passes through welded mode and rubbing crusher interconnect.

As a preferred technical scheme of the utility model, the fixed block passes through welded mode and support column interconnect, the support column passes through welded mode and middle support interconnect, the middle support passes through the mode and the first material storehouse interconnect of transporting of knob.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model can firstly switch on the power to start the first driving motor, then open the second driving motor, drive the second belt pulley to rotate through the rotation of the driving shaft, and drive the first belt pulley to rotate through the rotating belt under the action of the rotation of the second belt pulley, then place the coarse rubber particles on the first conveying belt through the rubber placing port, and drive the rotation of the first conveying belt through the clockwise rotation of the first rolling shaft and the second rolling shaft, so that the coarse rubber particles are sent into the input port along with the rotation of the first conveying belt and reach the rolling mechanism, then the coarse rubber particles are crushed into particles under the action of the first cutter disc and the second cutter disc under the rotation of the first rotating bar and the second rotating bar, then fall into the second conveying bin, and are conveyed to the third conveying belt through the second conveying belt, and finally reach the crushing mechanism, the granular rubber is crushed into fine particles under the rotating action of the first crushing knife and the second crushing knife, and as more dust exists in the process of crushing the rubber, the dust collector enables the dust to reach the filter screen through the guide pipe, and finally the filter screen reaches the dust storage bag through the second guide pipe, so that the air pollution is reduced, the dust flying is reduced, and then the fine rubber particles reach the containing cylinder along the guide bin to complete the whole process from coarse rubber particles to fine rubber particles.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the rolling mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the crushing mechanism of the present invention;

FIG. 4 is a schematic view of the cyclone structure of the present invention.

In the figure: 1. a base; 2. connecting columns; 3. a first roll axis; 4. a rubber placement port; 5. a first shipping bin; 6. a middle support; 7. a support pillar; 8. a fixed block; 9. a first conveyor belt; 10. a second roll axis; 11. a material conveying end; 12. a first dust cover; 13. rolling a body; 14. a rolling mechanism; 15. a movable handle; 16. a first drive motor; 17. a triangular bracket; 18. a support body; 19. a first support foot pad; 20. a third roll axis; 21. a second conveyor belt; 22. a second support foot pad; 23. a fourth roll axis; 24. a second material conveying bin; 25. a fifth roll axis; 26. a third conveyor belt; 27. a third material conveying bin; 28. a sixth roll axis; 29. a fixed mount; 30. a second dust cover; 31. a ramp plate; 32. pulverizing the body; 33. a crushing mechanism; 34. a cyclone; 35. a second conduit; 36. a dust storage bag; 37. a first fixed block; 38. a containing cylinder; 39. a second fixed block; 40. a first pulley; 41. a second pulley; 42. a drive shaft; 43. a fixed shaft; 44. a second drive motor; 45. guiding the bin; 46. rotating the belt; 1401. a first cutter head; 1402. a first rotating bar; 1403. a second rotating rod; 1404. a second cutter head; 3301. a first rotating shaft; 3302. a first crushing cutter; 3303. a second rotating shaft; 3304. a second fixing plate; 3305. a movable screen; 3306. a baffle plate; 3307. a first fixing plate; 3308. a guide bar; 3309. a second crushing cutter; 3401. an interface; 3402. a first conduit; 3403. a dust collector; 3404. an air suction opening; 3405. a filter screen; 3406. a cylindrical portion.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-4, the utility model provides a multistage rubber crusher, which comprises a base 1, a connecting column 2 is arranged at the upper end of the base 1, a first rolling shaft 3 is arranged at the upper end of the connecting column 2, a rubber placing port 4 is arranged at one side of the first rolling shaft 3, a first material conveying bin 5 is arranged at one side of the rubber placing port 4, an intermediate bracket 6 is connected at the lower end of the first material conveying bin 5, a supporting column 7 is connected at one side of the intermediate bracket 6, a third fixing block 8 is connected at the lower end of the supporting column 7, a first conveying belt 9 is arranged at the upper end of the third fixing block 8, a second rolling shaft 10 is connected at one side of the first conveying belt 9, a material conveying end 11 is arranged at one side of the second rolling shaft 10, a first dust cover 12 is arranged at one side of the material conveying end 11, a rolling body 13 is arranged at the lower end of the first dust cover 12, a rolling body 14 is connected at the lower end of the rolling body 13, a movable handle 15 is arranged at one side of the rolling mechanism 14, a first driving motor 16 is arranged at one side of the movable handle 15, a triangular bracket 17 is arranged at the lower end of the first driving motor 16, a supporting body 18 is arranged at one side of the triangular bracket 17, a first supporting foot pad 19 is arranged at the lower end of the supporting body 18, a third rolling shaft 20 is arranged at the upper end of the first supporting foot pad 19, a second conveying belt 21 is arranged at one side of the third rolling shaft 20, a second supporting foot pad 22 is arranged at the lower end of the second conveying belt 21, a fourth rolling shaft 23 is arranged at the upper end of the second supporting foot pad 22, a second conveying bin 24 is arranged at the upper end of the fourth rolling shaft 23, a fifth rolling shaft 25 is arranged at one side of the second conveying bin 24, a third conveying belt 26 is arranged at one side of the fifth rolling shaft 25, a third conveying bin 27 is arranged at the upper end of the third conveying bin 26, a sixth rolling shaft 28 is arranged at one side of the third conveying bin 27, a fixed frame 29 is fixed on one side of the sixth rolling shaft 28, a second dust cover 30 is arranged on one side of the fixed frame 29, a slope plate 31 is arranged on one side of the second dust cover 30, a crushing body 32 is arranged on one side of the slope plate 31, a crushing mechanism 33 is arranged on one side of the crushing body 32, a cyclone cylinder 34 is connected on one side of the crushing mechanism 33, a second guide pipe 35 is connected on one side of the cyclone cylinder 34, a dust storage bag 36 is connected on one side of the second guide pipe 35, a first fixed block 37 is arranged on one side of the dust storage bag 36, a containing cylinder 38 is connected on one side of the first fixed block 37, a second fixed block 39 is connected on one side of the containing cylinder 38, a guide bin 45 is arranged at the upper end of the second fixed block 39, a first belt pulley 40 is arranged on one side of the guide bin 45, a second belt pulley 41 is arranged on one side of the first belt pulley 40, a driving shaft 42 is arranged on one side of the second belt pulley 41, and a fixed shaft 43 is connected with one side of the driving shaft 42, a second driving motor 44 is provided at one side of the fixed shaft 43, and a rotating belt 46 is provided at an upper end of the second driving motor 44.

The first knife disc 1401 is arranged inside the rolling mechanism 14, the lower end of the first knife disc 1401 is provided with a first rotating rod 1402, the lower end of the first rotating rod 1402 is provided with a second rotating rod 1403, one side of the second rotating rod 1403 is connected with a second knife disc 1404, and under the rotation of the first rotating rod 1402 and the second rotating rod 1403, the rubber is crushed into particles under the action of the first knife disc 1404 and the second knife disc 1404.

The inside of crushing mechanism 33 is provided with first pivot 3301, one side of first pivot 3301 is provided with first crushing sword 3302, one side of first crushing sword 3302 is connected with second pivot 3303, the lower extreme of second pivot 3303 is provided with second fixed plate 3304, the lower extreme of second fixed plate 3304 is provided with movable screen cloth 3305, one side of movable screen cloth 3305 is provided with baffle 3306, the upper end of baffle 3306 is provided with first fixed plate 3307, the upper end of first fixed plate 3307 is provided with guide bar 3308, one side of guide bar 3308 is provided with second crushing sword 3309, make granular rubber be smashed into tiny granule under the rotary action of first crushing sword 3302 and second crushing sword 3309.

The interior of the cyclone 34 is provided with an interface 3401, one side of the interface 3401 is connected with a first conduit 3402, the lower extreme of the first conduit 3402 is connected with a dust suction machine 3403, the lower extreme of the dust suction machine 3403 is connected with an inlet scoop 3404, one side of the inlet scoop 3404 is provided with a filter screen 3405, the upper end of the filter screen 3405 is provided with a cylinder portion 3406, and reduce air pollution, reduce the dust and fly upward.

Second driving motor 44 is through the mode of spiral and base 1 interconnect, makes second driving motor 44 fix at base 1 through the mode of spiral, avoids second driving motor 44 not hard up with base 1, and improves the stability of second driving motor 44 work.

The containing cylinder 38 is fixed by the first fixing block 37 and the second fixing block 39, so that the containing cylinder 38 is better fixed.

The third material conveying bin 27 is fixed with the fixing frame 29 in a welding mode, and the fixing frame 29 is connected with the crushing body 32 in a welding mode, so that the third material conveying bin 27 and the fixing frame 29 are connected into a whole, and plastic particles are better conveyed into the crushing mechanism 33.

Fixed block 8 is through welded mode and support column 7 interconnect, and support column 7 is through welded mode and middle support 6 interconnect, and middle support 6 is through the mode and the 5 interconnect of first fortune feed bin of knob, and middle support 6, support column 7 and the combination of fixed block 8 three are in the same place and are improved good supporting role for first fortune feed bin 5.

The working principle is as follows: first, the power is turned on to start the first driving motor 16, then the second driving motor 46 is turned on, the second belt wheel 41 is driven by the rotation of the driving shaft 42, the first belt pulley 40 is driven by the rotation of the second belt wheel 41 through the rotating belt 44, then the coarse rubber particles are placed on the first conveying belt 9 through the rubber placing port 4, the first conveying belt 9 is driven by the clockwise rotation of the first rolling shaft 2 and the second rolling shaft 10, the coarse rubber particles are sent into the input port 11 and reach the rolling mechanism 14 along with the rotation of the first conveying belt 9, then the coarse rubber particles are crushed into particles under the rotation of the first rotating rod 1402 and the second rotating rod 1403 by the action of the first cutter disc and the second cutter disc 1404, then the particles fall into the second conveying bin 24 and are conveyed to the third conveying belt 26 through the second conveying belt 21, and finally reaches the crushing mechanism 33, the granular rubber is crushed into fine particles under the rotation action of the first crushing knife 3302 and the second crushing knife 3309, and as more dust exists in the process of crushing the rubber, the dust reaches the filter screen 3405 through the first conduit 3402 by the dust suction machine 3403, and finally reaches the dust storage bag 36 through the second conduit 35 by the filter screen 3405, so that the air pollution and the flying of the dust can be reduced, and the fine rubber particles reach the containing cylinder 38 along the guide bin 45, so that the whole process from coarse rubber particles to fine rubber particles is completed.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and furthermore, the terms "comprise", "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The multistage rubber crusher comprises a base (1) and is characterized in that a connecting column (2) is arranged at the upper end of the base (1), a first rolling shaft (3) is arranged at the upper end of the connecting column (2), a rubber placing port (4) is arranged on one side of the first rolling shaft (3), a first conveying bin (5) is arranged on one side of the rubber placing port (4), an intermediate support (6) is connected to the lower end of the first conveying bin (5), a supporting column (7) is connected to one side of the intermediate support (6), a third fixing block (8) is connected to the lower end of the supporting column (7), a first conveying belt (9) is arranged at the upper end of the third fixing block (8), a second rolling shaft (10) is connected to one side of the first conveying belt (9), and a conveying end (11) is arranged on one side of the second rolling shaft (10), a first dust cover (12) is arranged on one side of the material conveying end (11), a rolling body (13) is arranged at the lower end of the first dust cover (12), a rolling mechanism (14) is connected to the lower end of the rolling body (13), a movable handle (15) is arranged on one side of the rolling mechanism (14), a first driving motor (16) is arranged on one side of the movable handle (15), a triangular support (17) is arranged at the lower end of the first driving motor (16), a support body (18) is arranged on one side of the triangular support (17), a first supporting foot pad (19) is arranged at the lower end of the support body (18), a third rolling shaft (20) is arranged at the upper end of the first supporting foot pad (19), a second conveying belt (21) is arranged on one side of the third rolling shaft (20), and a second supporting foot pad (22) is arranged at the lower end of the second conveying belt (21), the upper end of the second supporting foot pad (22) is provided with a fourth rolling shaft (23), the upper end of the fourth rolling shaft (23) is provided with a second conveying bin (24), one side of the second conveying bin (24) is provided with a fifth rolling shaft (25), one side of the fifth rolling shaft (25) is provided with a third conveying belt (26), the upper end of the third conveying belt (26) is provided with a third conveying bin (27), one side of the third conveying bin (27) is provided with a sixth rolling shaft (28), one side of the sixth rolling shaft (28) is fixed with a fixing frame (29), one side of the fixing frame (29) is provided with a second dust cover (30), one side of the second dust cover (30) is provided with a slope plate (31), one side of the slope plate (31) is provided with a crushing body (32), one side of the crushing body (32) is provided with a crushing mechanism (33), one side of the crushing mechanism (33) is connected with a cyclone (34), one side of the cyclone (34) is connected with a second guide pipe (35), one side of the second guide pipe (35) is connected with a dust storage bag (36), one side of the dust storage bag (36) is provided with a first fixed block (37), one side of the first fixed block (37) is connected with a containing barrel (38), one side of the containing barrel (38) is connected with a second fixed block (39), the upper end of the second fixed block (39) is provided with a guide bin (45), one side of the guide bin (45) is provided with a first belt pulley (40), one side of the first belt pulley (40) is provided with a second belt pulley (41), one side of the second belt pulley (41) is provided with a driving shaft (42), one side of the driving shaft (42) is connected with a fixed shaft (43), one side of the fixed shaft (43) is provided with a second driving motor (44), and a rotating belt (46) is arranged at the upper end of the second driving motor (44).

2. The multistage type rubber crusher according to claim 1, wherein a first cutter (1401) is provided inside the rolling mechanism (14), a first rotating rod (1402) is provided at a lower end of the first cutter (1401), a second rotating rod (1403) is provided at a lower end of the first rotating rod (1402), and a second cutter (1404) is connected to one side of the second rotating rod (1403).

3. The multistage rubber crusher according to claim 1, wherein a first rotating shaft (3301) is arranged inside the crushing mechanism (33), a first crushing cutter (3302) is arranged on one side of the first rotating shaft (3301), a second rotating shaft (3303) is connected to one side of the first crushing cutter (3302), a second fixing plate (3304) is arranged at the lower end of the second rotating shaft (3303), a movable screen (3305) is arranged at the lower end of the second fixing plate (3304), a baffle (3306) is arranged on one side of the movable screen (3305), a first fixing plate (3307) is arranged at the upper end of the baffle (3306), a guide rod (3308) is arranged at the upper end of the first fixing plate (3307), and a second crushing cutter (3309) is arranged on one side of the guide rod (3308).

4. The multistage rubber crusher as claimed in claim 1, wherein an interface (3401) is arranged inside the cyclone (34), a first conduit (3402) is connected to one side of the interface (3401), a dust collector (3403) is connected to the lower end of the first conduit (3402), an air suction inlet (3404) is connected to the lower end of the dust collector (3403), a filter screen (3405) is arranged on one side of the air suction inlet (3404), and a cylindrical part (3406) is arranged on the upper end of the filter screen (3405).

5. A multistage rubber crusher as claimed in claim 1, characterized in that said second drive motor (44) is interconnected with the base (1) by means of a screw.

6. A multistage type rubber crusher as claimed in claim 1, wherein said holding cylinder (38) is fixed to a second fixing block (39) by a first fixing block (37).

7. A multistage rubber crusher as claimed in claim 1, characterized in that said third hopper (27) is fixed to a fixed frame (29) by welding, said fixed frame (29) being connected to the crushing body (32) by welding.

8. A multistage rubber crusher as claimed in claim 1, characterised in that said third fixed block (8) is interconnected by means of welding with the supporting pillar (7), said supporting pillar (7) is interconnected by means of welding with the intermediate bracket (6), said intermediate bracket (6) is interconnected by means of a knob with the first shipping bin (5).