CN116674812A - Packing carton blowing clamping mechanism that possesses visual detection - Google Patents

Abstract

The invention relates to the technical field of packaging box production, in particular to a packaging box discharging clamping mechanism with visual detection, which comprises a reinforcing base, wherein a rotary conveying assembly is rotatably arranged at the upper end of the reinforcing base, the rotary conveying assembly comprises a conveying disc rotatably arranged at the upper end of the reinforcing base and a trough annularly and equidistantly arranged at the upper end of the conveying disc, a material box is arranged at the inner side of the trough, an auxiliary assembly is fixedly arranged at the upper end of the reinforcing base, a driving assembly is fixedly arranged at the upper end of the reinforcing base, a linkage assembly is rotatably arranged at one end of the material box, a discharging assembly is rotatably connected at the bottom end of the material box, a transfer assembly is fixedly connected at one end of the material box, a pushing assembly is arranged at the bottom end of the conveying disc, an inclined plate is fixedly connected at one end of the material box, the stability of collecting and discharging during operation of the conveying box is favorably prevented, the box body is prevented from being damaged and falling down or falling off during box body conveying, and the practicability is high.

Description

Packing carton blowing clamping mechanism that possesses visual detection

Technical Field

The invention relates to the technical field of packaging box production, in particular to a packaging box discharging clamping mechanism with visual detection.

Background

The packing box is a box for packing products, and can be classified into a paper box, an iron box, a wood box, a leather box and the like according to materials, and has the functions of ensuring the safety of the products in transportation, improving the grade of the products and the like, and is widely applied to the sales package of various products such as foods, medicines, electrons and the like, the products need to be packed before being sold, and one or more products can be packed by the packing boxes with different sizes.

The prior art discloses the application number: the utility model provides a spool packing carton clamping mechanism of CN 214526661U, includes first defeated pay-off way, second defeated pay-off way and material way carousel, the material way carousel is arranged in carrying the material of first defeated pay-off way to the second defeated pay-off way one by one, the material way carousel includes the carousel pedestal, can be for carousel pedestal pivoted rolling disc, drive rolling disc pivoted rotating motor, dig on the rolling disc and be equipped with the silo, but this prior art is at the packing carton clamp and is got the in-process of blowing, because the packing carton is paper plastic film material, the in-process clamping force of clamping the blowing damages the box body too much easily, and clamping force drops from it easily when not enough equipment removes, is unfavorable for efficiency and quality of production, consequently, need a packing carton that possesses visual detection to put the clamping mechanism to solve this problem.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a packing box discharging clamping mechanism with visual detection, which solves the problems that: when the existing packing box is used for receiving and discharging materials, the force of the clamp holder is not well controlled, so that the packing box is easy to damage, and the packing box collapses or falls off when the materials are discharged, so that the packing effect is affected;

in order to achieve the above purpose, the present invention is realized by the following technical scheme:

the technical scheme adopted for solving the technical problems is as follows: the utility model provides a packing carton blowing clamping mechanism that possesses visual inspection, includes consolidates the base, consolidate the upper end rotation of base and install and rotate the conveying subassembly, rotate the conveying subassembly and including rotating the conveyer disk of installing in consolidate the base upper end and annular equidistance sets up the silo in the conveyer disk upper end, the inboard of silo is provided with the magazine, consolidate the upper end fixed mounting of base has auxiliary assembly, consolidate the upper end fixed mounting of base has drive assembly, the one end of magazine rotates and installs the linkage subassembly, the bottom of magazine rotates and is connected with the subassembly of unloading, the one end fixedly connected with transfer subassembly of magazine, the bottom of conveyer disk is provided with pushing away the material subassembly, the one end fixedly connected with swash plate of magazine.

Preferably, the auxiliary assembly comprises a first conveying belt fixedly arranged at the upper end of the reinforcing base and a second conveying belt fixedly arranged at the other end of the reinforcing base, and a feeding machine is fixedly arranged at the upper end of the reinforcing base.

Preferably, the driving assembly comprises a stepping motor fixedly installed at the upper end of the reinforcing base and a disc fixedly sleeved on an output shaft of the stepping motor, a clamping rod is fixedly connected to the bottom end of the disc, and a chuck matched with the clamping rod for use is fixedly sleeved on the outer surface of the conveying disc.

Preferably, the linkage assembly comprises a rack caliper rotatably arranged at one end of the material box and a rotating rod rotatably arranged at the bottom end of the conveying disc in a penetrating way, a first gear matched with the rack caliper is sleeved on the outer surface of the rotating rod, and a second gear is fixedly sleeved on the middle of the rotating rod.

Preferably, the unloading assembly comprises a chassis rotationally connected to the bottom end of the material box and a pry bar fixedly connected to one end of the chassis, an opening is formed in the middle of the pry bar, and one end of the material box is fixedly connected with a T-shaped rod which is arranged in a penetrating mode with the opening.

Preferably, one end of the material box is rotationally connected with a top sheet, one end of the top sheet is fixedly connected with a supporting rod, and one end of the material box is fixedly connected with a limiting column which is in contact with the supporting rod.

Preferably, the transfer assembly comprises a clamping sleeve fixedly connected to one end of the material box and a telescopic column which is movably arranged in a penetrating mode with the clamping sleeve, one end of the telescopic column is fixedly connected with a pressure head, and a spring is sleeved on the outer surface of the telescopic column between the pressure head and the clamping sleeve.

Preferably, one end of the material box is fixedly provided with a micro motor, an output shaft of the micro motor is fixedly sleeved with a cam, one end of the material box is rotatably provided with an arc-shaped linkage piece which is in contact with the pressure head, and the cam is matched with the arc-shaped linkage piece.

Preferably, one end of the material box is rotationally provided with a gravity bridge, one end of the gravity bridge is fixedly connected with a counterweight head, the other end of the gravity bridge is provided with a through hole, the inner side of the through hole is rotationally connected with a traction rod, the bottom end of the material box is fixedly connected with a pull rod, and the pull rod is rotationally connected with the traction rod.

Preferably, the pushing component comprises a cross rod fixedly connected to the bottom end of the conveying disc and a sliding sleeve sleeved on the outer surface of the cross rod in a sliding manner, a pushing frame is sleeved on the outer surface of the cross rod in a sliding manner, one end of the pushing frame is fixedly connected with a rack plate meshed with the second gear, the sliding sleeve is fixedly connected with the rack plate, a pushing sheet is inserted into one end of the material box, and the pushing sheet is fixedly connected with the pushing frame.

The invention has the beneficial effects that:

(1) According to the packing box discharging clamping mechanism with visual detection, the stepping motor is controlled to be opened, the stepping motor is operated to drive the disc to rotate, the clamping rod is driven to move after the disc rotates, the clamping rod is driven to rotate to a preset angle to be matched with the chuck, the chuck rotates for ninety degrees to stop, the conveying disc is driven to rotate to a preset angle when the chuck rotates, then the entering packing box enters the lower part of the feeding machine, packing materials are packed and charged, after the packing box rotates for a preset angle, the feeding is circularly carried out, the stability is better, the micro motor is operated to drive the cam to rotate, the arc-shaped linkage piece is pressed after the cam rotates, the pressing head is pressed after the arc-shaped linkage piece rotates, the spring is compressed, the telescopic column is driven to move in the clamping sleeve, one end of the gravity bridge is pressed when the telescopic column moves downwards, and then the traction rod is driven to move to drive the pull rod to move to one end, so that the chassis rotates at the bottom end of the material box, and automatic sliding discharging of the packing materials is facilitated.

(2) According to the packing box discharging clamping mechanism with visual detection, the pry bar is driven to move under the rotation of the chassis, so that the opening of the pry bar moves around the T-shaped bar, the supporting bar is pushed to slide on the limiting column stably when the pry bar swings, the top piece is driven to rotate outwards in an arc shape, scraping is prevented when the pry bar is in favor of preventing discharging, meanwhile, the rack calipers are driven to rotate under the rotation of the chassis, the first gear is driven to rotate in the same way under the clockwise rotation of the rack calipers, the rotating rod is driven to rotate after the first gear, the second gear is driven to rotate clockwise, the rack plate is driven to move, the sliding sleeve and the pushing frame are pulled to slide on the outer surface of the cross rod after the rack plate moves, stability in moving is guaranteed, the pushing sheet is driven to push the packed packing box in the material box when the pushing frame moves, and slides along the chassis to the matched second conveying belt, and packing work is completed, and working quality is guaranteed.

Drawings

The invention will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of an external alternate view structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a conveyor tray of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic diagram of a semi-sectional structure of a conveyor tray of the present invention;

FIG. 6 is a schematic diagram of a pushing assembly according to the present invention;

FIG. 7 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;

FIG. 8 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;

in the figure: 1. reinforcing the base; 2. a first conveyor belt; 551. a carousel assembly; 552. an auxiliary component; 553. a drive assembly; 554. a linkage assembly; 555. a discharge assembly; 556. a transfer assembly; 557. a pushing component; 3. a feeding machine; 4. pushing the sheet; 5. pushing a frame; 6. a second conveyor belt; 7. a sloping plate; 8. a magazine; 9. a conveying tray; 10. a trough; 11. a clamping rod; 12. a stepping motor; 13. a sliding sleeve; 14. a chuck; 15. a cross bar; 16. rack plate; 17. a disc; 18. a top sheet; 19. a micro motor; 20. a cam; 21. an arc-shaped linkage piece; 22. a pressure head; 23. a spring; 24. a cutting sleeve; 25. a pull rod; 26. a rack caliper; 27. a first gear; 28. a second gear; 29. a rotating rod; 30. a pry bar; 31. a chassis; 32. a brace rod; 33. a restraining post; 34. a counterweight head; 35. a gravity bridge; 36. a through port; 37. a traction rod; 38. a telescopic column; 39. an opening; 40. t-shaped rod.

Detailed Description

The embodiment of the invention solves the problems that the prior packing box is easy to damage due to poor control of the clamping force when the packing box is folded and unfolded, so that the packing box collapses or falls off when the packing box is unfolded and the packing effect is affected by the fact that the clamping force of the clamping device is used for clamping the packing box with visual detection;

in order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Example 1

The invention discloses a battery cabinet based on the Internet of things, which is shown in fig. 1-8, and comprises a reinforcing base 1, wherein a rotary conveying assembly 551 is rotatably arranged at the upper end of the reinforcing base 1, the rotary conveying assembly 551 comprises a conveying disc 9 rotatably arranged at the upper end of the reinforcing base 1, and a trough 10 annularly and equidistantly arranged at the upper end of the conveying disc 9, a material box 8 is arranged at the inner side of the trough 10, an auxiliary assembly 552 is fixedly arranged at the upper end of the reinforcing base 1, the auxiliary assembly 552 comprises a first conveying belt 2 fixedly arranged at the upper end of the reinforcing base 1 and a second conveying belt 6 fixedly arranged at the other end of the reinforcing base 1, a feeding machine 3 is fixedly arranged at the upper end of the reinforcing base 1, the bottom surface of a packing box is placed on the first conveying belt 2, the packing box is driven to move through the movement of the first conveying belt 2, the packing box slides onto a material box 8 after the first conveying belt 2 moves to an edge position, the bottom end of the packing box slides onto the material box 8 in the process, the inner side of the material box 8 falls onto the material box 8 in the process, the bottom end of the packing box 9 is driven to rotate a preset angle when the chuck 14 rotates, and then enters the feeding machine 3 after the conveying disc rotates to enter the preset angle, and the packing box is further circularly arranged at the preset feeding angle, and the packing machine is better stable after the packing machine is filled.

Example 2

On the basis of the embodiment 1, as shown in fig. 1, 2, 3 and 6, a driving component 553 is fixedly arranged at the upper end of the reinforcing base 1, the driving component 553 comprises a stepping motor 12 fixedly arranged at the upper end of the reinforcing base 1 and a disc 17 fixedly sleeved on the output shaft of the stepping motor 12, the bottom end of the disc 17 is fixedly connected with a clamping rod 11, a chuck 14 matched with the clamping rod 11 is fixedly sleeved on the outer surface of the conveying disc 9, a linkage component 554 is rotatably arranged at one end of the material box 8, the linkage component 554 comprises a rack caliper 26 rotatably arranged at one end of the material box 8 and a rotating rod 29 rotatably arranged at the bottom end of the conveying disc 9 in a penetrating way, a first gear 27 matched with the rack caliper 26 is fixedly sleeved on the outer surface of the rotating rod 29, a second gear 28 is fixedly sleeved on the middle part of the rotating rod 29, a pushing component 557 is arranged at the bottom end of the conveying disc 9, the pushing component 557 comprises a cross rod 15 fixedly connected to the bottom end of the conveying disc 9 and a sliding sleeve 13 sleeved on the outer surface of the cross rod 15 in a sliding manner, a pushing frame 5 is sleeved on the outer surface of the cross rod 15 in a sliding manner, one end of the pushing frame 5 is fixedly connected with a rack plate 16 meshed with a second gear 28, the sliding sleeve 13 is fixedly connected with the rack plate 16, one end of the material box 8 is provided with a pushing piece 4 in a penetrating manner, the pushing piece 4 is fixedly connected with the pushing frame 5, the stepping motor 12 is controlled to be opened, the stepping motor 12 drives a disc 17 to rotate after running, the disc 17 drives a clamping rod 11 to rotate after rotating, the clamping rod 11 rotates to a preset angle and is matched with a chuck 14, the chuck 14 is stopped by ninety degrees after rotating, a rack caliper 26 is driven to rotate under the rotation of a chassis 31, a first gear 27 is driven to rotate under the clockwise rotation of the rack caliper 26, a rotating rod 29 is driven to rotate after the first gear 27 rotates, the second gear 28 is driven to rotate clockwise to drive the rack plate 16 to move, the sliding sleeve 13 and the pushing frame 5 are pulled to slide on the outer surface of the cross rod 15 after the rack plate 16 moves, so that stability in moving is guaranteed, the pushing sheet 4 is driven to push a packaged packaging box in the material box 8 when the pushing frame 5 moves, and the packaging box slides onto the matched second conveying belt 6 along the bottom disc 31, so that packaging work is completed, and working quality is guaranteed.

Example 3

On the basis of the embodiment 1, as shown in fig. 2, 3, 5, 7 and 8, the bottom end of the material box 8 is rotatably connected with a discharging assembly 555, the discharging assembly 555 comprises a chassis 31 rotatably connected with the bottom end of the material box 8 and a pry bar 30 fixedly connected with one end of the chassis 31, an opening 39 is formed in the middle of the pry bar 30, one end of the material box 8 is fixedly connected with a T-shaped bar 40 which is inserted and arranged with the opening 39, one end of the material box 8 is fixedly connected with a transfer assembly 556, the transfer assembly 556 comprises a clamping sleeve 24 fixedly connected with one end of the material box 8 and a telescopic column 38 which is inserted and movably arranged with the clamping sleeve 24, one end of the telescopic column 38 is fixedly connected with a pressing head 22, a spring 23 is sleeved on the outer surface of the telescopic column 38 between the pressing head 22 and the clamping sleeve 24, one end of the material box 8 is fixedly provided with a micro motor 19, an output shaft of the micro motor 19 is fixedly sleeved with a cam 20, an arc-shaped linkage piece 21 which is abutted against the pressure head 22 is rotatably arranged at one end of the material box 8, the cam 20 is matched with the arc-shaped linkage piece 21 for use, the inclined plate 7 is fixedly connected at one end of the material box 8, the top piece 18 is rotatably connected at one end of the material box 8, the supporting rod 32 is fixedly connected at one end of the top piece 18, the limiting column 33 which is abutted against the supporting rod 32 is fixedly connected at one end of the material box 8, the gravity bridge 35 is rotatably arranged at one end of the material box 8, the counterweight 34 is fixedly connected at one end of the gravity bridge 35, the other end of the gravity bridge 35 is provided with a through hole 36, the inner side of the through hole 36 is rotatably connected with the traction rod 37, the bottom end of the material box 8 is fixedly connected with the pull rod 25, the pull rod 25 is rotatably connected with the traction rod 37, the miniature motor 19 rotates to drive the cam 20 to rotate, the arc-shaped linkage 21 is pressed after the cam 20 rotates, the arc-shaped linkage piece 21 rotates on the material box 8, the rotated arc-shaped linkage piece 21 presses the pressure head 22, the pressure head 22 moves after being stressed to compress the spring 23 and drive the telescopic column 38 to move in the clamping sleeve 24, when the telescopic column 38 moves downwards, one end of the gravity bridge 35 is pressed, so that the counterweight head 34 at the other end is tilted, then the traction rod 37 is driven to move to drive the pull rod 25 to move towards one end, the chassis 31 is enabled to rotate at the bottom end of the material box 8, automatic sliding and unloading of the packing materials are facilitated, then the pry rod 30 is driven to move after the chassis 31 moves, the opening 39 on the pry rod 30 swings around the T-shaped rod 40, the supporting rod 32 is pushed to slide on the limiting column 33 when the pry rod 30 swings, and the top piece 18 is driven to rotate outwards in an arc shape, scraping is facilitated to be prevented when the box body is prevented from being damaged and falling or falling off when the box body is conveyed.

When the invention is used, a user firstly places the bottom surface of a packing box on the first conveying belt 2 towards the conveying disc 9, drives the packing box to move through the movement of the first conveying belt 2, when the packing box moves to the edge position on the first conveying belt 2, the packing box slides down into the material box 8 on the inclined plate 7, the bottom end of the packing box falls down to the inner side of the material box 8 in the sliding process, then the stepping motor 12 is controlled to be opened through the external controller, the stepping motor 12 is operated to drive the disc 17 to rotate, the disc 17 is rotated to drive the clamping rod 11 to rotate, the clamping rod 11 is matched with the chuck 14 after being rotated to a preset angle, the chuck 14 is stopped after being rotated by ninety degrees, when the chuck 14 is rotated, the conveying disc 9 is driven to rotate by the preset angle, the entering packing box enters the lower part of the material loading machine 3, the packing box is loaded with the packing box after being rotated by the preset angle again, the cyclic loading and feeding is carried out, the stability is better, after the charging is rotated to a preset angle, the micro motor 19 operates to drive the cam 20 to rotate, the arc-shaped linkage piece 21 is pressed after the cam 20 rotates, the arc-shaped linkage piece 21 rotates on the material box 8, the arc-shaped linkage piece 21 after rotation presses the pressure head 22, the pressure head 22 moves to compress the spring 23 after being stressed and drive the telescopic column 38 to move in the clamping sleeve 24, when the telescopic column 38 moves downwards, one end of the gravity bridge 35 is pressed, the counterweight head 34 at the other end is tilted, then the traction rod 37 is driven to move to drive the pull rod 25 to move to one end, the chassis 31 rotates at the bottom end of the material box 8, the automatic sliding and discharging of the packaged material are facilitated, then the pry rod 30 is driven to move after the movement of the chassis 31, the opening 39 on the pry rod 30 swings around the T-shaped rod 40, the supporting rod 32 is pushed to slide on the limiting column 33 when the pry rod 30 swings, and drive the outward arc rotation of top piece 18, be favorable to preventing scraping when unloading, drive rack calliper 26 rotation under the rotation of chassis 31 simultaneously, drive first gear 27 and rotate equally under the clockwise rotation of rack calliper 26, drive bull stick 29 rotation after first gear 27 rotates, thereby drive rack board 16 removal after driving second gear 28 clockwise rotation, pull sliding sleeve 13 and push frame 5 at horizontal pole 15 surface slip behind rack board 16 removal, thereby guarantee the stability when moving, push frame 5 drives push plate 4 and promotes the packing carton that will pack in magazine 8 when moving, and slide along chassis 31 and to matched with on second conveyer belt 6, thereby accomplish packing work, guarantee operating quality.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. Packaging box discharging clamping mechanism with visual detection function is characterized in that: including strengthening base (1), the upper end rotation of strengthening base (1) is installed and is rotated transport subassembly (551), transport dish (9) and annular equidistance at transport dish (9) upper end are installed including rotating to transport, the inboard of silo (10) is provided with magazine (8) of installing in transport dish (1) upper end, the upper end fixed mounting of strengthening base (1) has auxiliary assembly (552), the upper end fixed mounting of strengthening base (1) has drive assembly (553), linkage subassembly (554) are installed in the one end rotation of magazine (8), the bottom rotation of magazine (8) is connected with unloading subassembly (555), the one end fixedly connected with transfer subassembly (556) of magazine (8), the bottom of transport dish (9) is provided with pushes away material subassembly (557), the one end fixedly connected with swash plate (7) of magazine (8).

2. The packing box discharging and clamping mechanism with visual inspection according to claim 1, wherein: the auxiliary assembly (552) comprises a first conveying belt (2) fixedly installed at the upper end of the reinforcing base (1) and a second conveying belt (6) fixedly installed at the other end of the reinforcing base (1), and a feeding machine (3) is fixedly installed at the upper end of the reinforcing base (1).

3. The packing box discharging and clamping mechanism with visual inspection according to claim 1, wherein: the driving assembly (553) comprises a stepping motor (12) fixedly installed at the upper end of the reinforcing base (1) and a disc (17) fixedly sleeved on an output shaft of the stepping motor (12), a clamping rod (11) is fixedly connected to the bottom end of the disc (17), and a chuck (14) matched with the clamping rod (11) for use is fixedly sleeved on the outer surface of the conveying disc (9).

4. The packing box discharging and clamping mechanism with visual inspection according to claim 1, wherein: the linkage assembly (554) comprises a rack clamp (26) rotatably arranged at one end of the material box (8) and a rotating rod (29) rotatably arranged at the bottom end of the conveying disc (9), a first gear (27) matched with the rack clamp (26) for use is fixedly sleeved on the outer surface of the rotating rod (29), and a second gear (28) is fixedly sleeved on the middle part of the rotating rod (29).

5. The packing box discharging and clamping mechanism with visual inspection according to claim 1, wherein: the discharging assembly (555) comprises a chassis (31) which is rotationally connected to the bottom end of the material box (8) and a pry bar (30) which is fixedly connected to one end of the chassis (31), an opening (39) is formed in the middle of the pry bar (30), and one end of the material box (8) is fixedly connected with a T-shaped rod (40) which is arranged in a penetrating mode with the opening (39).

6. The packing box discharging and clamping mechanism with visual inspection according to claim 1, wherein: one end of magazine (8) rotates and is connected with top sheet (18), one end fixedly connected with vaulting pole (32) of top sheet (18), one end fixedly connected with of magazine (8) is inconsistent restriction post (33) with vaulting pole (32).

7. The packing box discharging and clamping mechanism with visual inspection according to claim 1, wherein: the transfer assembly (556) comprises a clamping sleeve (24) fixedly connected to one end of the material box (8) and a telescopic column (38) which is arranged in an inserted and movable mode with the clamping sleeve (24), one end of the telescopic column (38) is fixedly connected with a pressure head (22), and the outer surface of the telescopic column (38) between the pressure head (22) and the clamping sleeve (24) is sleeved with a spring (23).

8. The packing box discharging and clamping mechanism with visual inspection according to claim 7, wherein: one end fixed mounting of magazine (8) has micro motor (19), the fixed cover of output shaft of micro motor (19) is equipped with cam (20), arc linkage piece (21) that are inconsistent with pressure head (22) are installed in the one end rotation of magazine (8), cam (20) and arc linkage piece (21) cooperate and use.

9. The packing box discharging and clamping mechanism with visual inspection according to claim 1, wherein: the gravity bridge (35) is rotatably installed at one end of the material box (8), the counterweight head (34) is fixedly connected with one end of the gravity bridge (35), the through hole (36) is formed in the other end of the gravity bridge (35), the traction rod (37) is rotatably connected to the inner side of the through hole (36), the traction rod (25) is fixedly connected to the bottom end of the material box (8), and the traction rod (37) is rotatably connected with the traction rod (25).

10. The packing box discharging and clamping mechanism with visual inspection according to claim 1, wherein: the pushing assembly (557) comprises a cross rod (15) fixedly connected to the bottom end of the conveying disc (9) and a sliding sleeve (13) sleeved on the outer surface of the cross rod (15), a pushing frame (5) is sleeved on the outer surface of the cross rod (15) in a sliding mode, a rack plate (16) meshed with a second gear (28) is fixedly connected to one end of the pushing frame (5), the sliding sleeve (13) is fixedly connected with the rack plate (16), a pushing piece (4) is arranged at one end of the material box (8) in an inserted mode, and the pushing piece (4) is fixedly connected with the pushing frame (5).