CN116369062A

CN116369062A - Continuous threshing device for corns for agricultural production

Info

Publication number: CN116369062A
Application number: CN202310538842.1A
Authority: CN
Inventors: 刘珂
Original assignee: Shandong Xinmeng Agricultural Development Co ltd
Current assignee: Shandong Xinmeng Agricultural Development Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-07-04

Abstract

The invention discloses a corn continuous threshing device for agricultural production, which relates to the technical field of agriculture and comprises a base, wherein a conveying mechanism is fixedly arranged at the top of the base, a conveying belt is arranged on one side of the conveying mechanism, a threshing mechanism is arranged at one end, far away from the conveying mechanism, of the conveying belt, the threshing mechanism comprises a first cylinder fixedly arranged on the base, and a pushing disc is fixedly arranged at the end part of a piston rod of the first cylinder. According to the corn cob threshing machine, the air cylinder III is started to drive the rubbing plate and the sliding plate to reciprocate, and the movable protrusions and the fixed protrusions are matched, so that the corn cobs can be rubbed and loosened before threshing, later threshing is facilitated, and the damage rate of corn is reduced. And the cylinder four promotes the arc to place the board and goes up and down, is convenient for rub the corn cob of different diameters, and the effect is better, and the suitability is strong.

Description

Continuous threshing device for corns for agricultural production

Technical Field

The invention relates to the technical field of agriculture, in particular to a corn continuous threshing device for agricultural production.

Background

The corn thresher can separate corn kernels from stems, and the threshing depth is adjustable. Is suitable for food processing factories to be matched with fast freezing and corn can manufacturers. A continuous automatic corn threshing device is disclosed in publication number CN110463449 a; the corn threshing device is provided with the sleeve and the rack plate which are sleeved with the gears, so that the corn cob can rotate, and threshing is more efficient and thorough due to the fact that the corn cob rotates and is matched with the threshing roller. However, the corn cob is not pretreated by the device, and the corn kernels are firm between the corn cobs, so that the corn is directly contacted with the threshing roller, and the corn kernels are easy to damage; meanwhile, the structure is inconvenient to adjust and is inconvenient to process corn cobs with different diameters.

Disclosure of Invention

The invention aims to provide a corn continuous threshing device for agricultural production, which solves the following technical problems: the existing equipment does not pretreat the corn cobs, the corn kernels are firm with the corn cobs, so that the corn is directly contacted with the threshing roller, and the corn kernels are easy to damage; meanwhile, the structure is inconvenient to adjust and is inconvenient to process corn cobs with different diameters.

The aim of the invention can be achieved by the following technical scheme:

the utility model provides a continuous thresher of maize for agricultural production, includes the base, the top fixed mounting of base has conveying mechanism, one side of conveying mechanism is provided with the conveyer belt, one end that conveying mechanism was kept away from to the conveyer belt is provided with threshing mechanism, threshing mechanism includes cylinder one on the fixed mounting base, cylinder one's piston rod tip fixed mounting has the pushing disc, one side of pushing disc is provided with down the arc, the top of lower arc is connected with the stripper plate through electric telescopic handle, all be provided with telescopic ball on the inner wall of stripper plate and lower arc, one side fixed mounting of lower arc has the mounting panel, the inside of mounting panel is provided with the through-hole, one side rotation of mounting panel is connected with trapezoidal threshing barrel, trapezoidal threshing barrel inner wall array is provided with a plurality of threshing rollers, trapezoidal threshing barrel's tip fixed mounting has the ring gear, the top fixed mounting of base has cylinder two, cylinder two's piston rod tip fixed mounting has the extrusion needle.

As a further scheme of the invention: spiral conveying blades are arranged on the inner wall of the trapezoid threshing barrel.

As a further scheme of the invention: the upper extrusion plate and the lower arc plate are respectively inserted with a guide post, the guide posts are sleeved with a first spring, and the end parts of the guide posts are movably connected with balls.

As a further scheme of the invention: the top fixed mounting of base has the collecting box, the inside screening mechanism that is provided with of collecting box, one side fixed mounting of collecting box has the gear, the gear is by motor drive, the top fixed mounting of collecting box has the baffle, the extrusion needle runs through the baffle.

As a further scheme of the invention: the screening mechanism comprises a bottom plate, a cylinder five which is obliquely arranged is movably connected to the bottom plate, the end part of a piston rod of the cylinder five is connected with a movable plate, the movable plate is rotationally connected with the bottom plate through a rotating shaft, a collecting barrel is fixedly mounted at the top of the movable plate, a discharging pipe is arranged on the collecting barrel, a connecting plate is rotationally connected to the top of the collecting barrel, a filter screen barrel is rotationally connected to the top of the connecting plate, a rotating motor is fixedly mounted at the top of the collecting barrel, an eccentric wheel is fixedly mounted on an output shaft of the rotating motor, an eccentric rod is obliquely arranged on the eccentric wheel, and the end part of the eccentric rod is movably connected with the filter screen barrel.

As a further scheme of the invention: the conveying mechanism comprises a conveying box fixedly mounted on a base, a storage box is fixedly mounted at the top of the conveying box, an air cylinder III is fixedly mounted on one side of the storage box, a kneading plate is fixedly mounted at the end part of a piston rod of the air cylinder III, the kneading plate extends to the storage box, the kneading plate is of an arc-shaped structure, a plurality of movable protrusions are arranged on the bottom array of the kneading plate, an arc-shaped placing plate is connected to the inner wall of the bottom of the storage box through the air cylinder IV, a plurality of fixing protrusions are arranged on the inner wall of the arc-shaped placing plate in an array mode, a pushing plate capable of reciprocating is arranged on one side of the arc-shaped placing plate, and a through hole is formed in one side of the storage box.

As a further scheme of the invention: the top of kneading board has seted up down the silo, the below sliding connection of silo has the sliding plate down, the sliding plate is by kneading the inside cylinder drive of board.

As a further scheme of the invention: the inside fixed mounting of transport case has the gear box, one side fixed mounting of gear box has driving motor, the top of gear box is through pivot and cam, the cam with reset the catch bar contact, reset the tip of catch bar and extend to the stock incasement and be connected with the push pedal, reset the catch bar and cup jointed the spring, the opposite side of gear box rotates and is connected with the axis of rotation, the tip fixed mounting of axis of rotation has rotatory bucket, a plurality of plugboards are installed to the equidistance on the rotatory bucket, the level is provided with folding stick on the transport case.

The invention has the beneficial effects that:

according to the corn cob threshing machine, the air cylinder III is started to drive the rubbing plate and the sliding plate to reciprocate, and the movable protrusions and the fixed protrusions are matched, so that the corn cobs can be rubbed and loosened before threshing, later threshing is facilitated, and the damage rate of corn is reduced. And the cylinder four promotes the arc to place the board and goes up and down, is convenient for rub the corn cob of different diameters, and the effect is better, and the suitability is strong.

According to the invention, through the cooperation of the upper extrusion plate and the lower arc plate, corn cobs with different diameters are centrally positioned, so that an extrusion needle is conveniently inserted into the center for conveying; the extruding needle drives the corn cob to enter the trapezoid threshing barrel, the trapezoid threshing barrel rotates to thresh the corn cob through the threshing roller, the corn cob is conveyed out, and finally the corn cob and the corn cob fall into the collecting box to be collected. The purpose of the trapezoid threshing barrel is that the trapezoid threshing barrel can be used for threshing corn cobs with different diameters.

Drawings

The invention is further described below with reference to the accompanying drawings.

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

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

FIG. 3 is a schematic view of the overall structure of the threshing mechanism of the invention;

FIG. 4 is a schematic view of the overall structure of the conveying mechanism of the present invention;

fig. 5 is a schematic view of the overall structure of the screening mechanism of the present invention.

In the figure: 1. a base; 2. a conveying mechanism; 3. a conveyor belt; 4. a threshing mechanism; 21. a storage box; 22. a gear box; 23. a cam; 24. resetting the pushing rod; 25. a push plate; 26. discharging groove; 27. rubbing a rubbing plate; 28. a third cylinder; 29. a sliding plate; 210. a fixing protrusion; 211. a movable protrusion; 212. an arc-shaped placing plate; 213. a fourth cylinder; 214. a rotating shaft; 215. a rotary tub; 216. a plug board; 217. a folding bar; 41. a first cylinder; 42. pushing the disc; 43. a lower arc plate; 44. an upper pressing plate; 45. a trapezoid threshing barrel; 46. a gear ring; 47. extruding the needle; 48. a collection box; 49. a second cylinder; 410. a baffle; 411. a gear; 412. threshing roller; 413. an electric telescopic rod; 414. a first spring; 415. a guide post; 416. a ball; 417. a mounting plate; 51. a bottom plate; 52. a fifth cylinder; 53. a rotating electric machine; 54. an eccentric wheel; 55. an eccentric rod; 56. a filter screen barrel; 57. a movable plate; 58. a connecting plate; 59. a collecting barrel; 510. and a discharge pipe.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-3, the invention discloses a corn continuous threshing device for agricultural production, which comprises a base 1, wherein a conveying mechanism 2 is fixedly arranged at the top of the base 1, a conveying belt 3 is arranged at one side of the conveying mechanism 2, a threshing mechanism 4 is arranged at one end of the conveying belt 3, which is far away from the conveying mechanism 2, the threshing mechanism 4 comprises a first cylinder 41 fixedly arranged on the base 1, a push disc 42 is fixedly arranged at the end part of a piston rod of the first cylinder 41, a lower arc plate 43 is arranged at one side of the push disc 42, the top of the lower arc plate 43 is connected with an upper extrusion plate 44 through an electric telescopic rod 413, a plurality of electric telescopic rods 413 are arranged at one side, which is far away from the conveying belt 3, of the top of the lower arc plate 43, only two electric telescopic rods 413 are arranged at one side, which is close to the conveying belt 3, so as to play a smooth role, telescopic rolling balls 416 are arranged on the inner walls of the upper extrusion plate 44 and the lower arc plate 43, a circular extrusion plate 44 can be combined, a plurality of rows of trapezoid-shaped rollers 45 are fixedly arranged at one side of the push disc 42, a plurality of trapezoid-shaped rollers 45 are fixedly arranged at the inner walls of the two sides of the threshing cylinders 45, a plurality of trapezoid-shaped rollers 45 are fixedly arranged at the end parts of the threshing cylinder 45, and the threshing cylinder 45 are fixedly arranged at the end parts of the trapezoid-shaped rollers 45 are arranged at the end part of the threshing cylinder 45, and the threshing cylinder 45 are fixedly arranged at the end part of the threshing cylinder 45.

After the corn cob is rubbed once by the conveying mechanism 2, when the corn cob is conveyed to the threshing mechanism 4 by the conveying belt 3, the electric telescopic rod 413 is started to push the upper extrusion plate 44 to ascend, then the corn cob enters the lower arc plate 43, at the moment, the upper extrusion plate 44 descends, on one hand, the corn cob on the conveying belt 3 is blocked from falling down, and secondly, the corn cob is centrally positioned by the cooperation of the upper extrusion plate 44 and the lower arc plate 43, so that the extrusion needle 47 is conveniently inserted into the center for conveying;

then simultaneously starting the first cylinder 41 and the second cylinder 49, the first cylinder 41 drives the pushing disc 42 to move rightwards so as to push the corn cobs to move, the second cylinder 49 drives the extruding needle 47 to move rightwards and insert the corn cobs into the corn cobs, then the first cylinder 41 and the second cylinder 49 reset, the extruding needle 47 drives the corn cobs to enter the trapezoid threshing barrel 45, the trapezoid threshing barrel 45 rotates to thresh the corn cobs through the threshing roller 412 and convey the corn cobs out, and finally the corn cobs and the corn cobs fall into the collecting box 48 to be collected. The purpose of the trapezoidal threshing barrel 45 is that it can threshing corn cobs of different diameters.

The inner wall of the trapezoid threshing barrel 45 is provided with spiral conveying blades, and threshing can be matched through the arrangement of the spiral conveying blades, and the threshing corn can be conveyed conveniently.

Guide posts 415 are inserted into the upper extrusion plate 44 and the lower arc plate 43, a first spring 414 is sleeved on the guide posts 415, and balls 416 are movably connected to the end parts of the guide posts 415; the first spring 414 is arranged, so that corn cobs with different diameters can be conveniently centered; the positioning of the corn cob can be conveniently pushed and conveyed through the arrangement of the balls 416.

The top fixed mounting of base 1 has collection box 48, the inside screening mechanism that is provided with of collection box 48, one side fixed mounting of collection box 48 has gear 411, gear 411 is by motor drive, the top fixed mounting of collection box 48 has baffle 410, extrusion needle 47 runs through baffle 410, through the setting of baffle 410, when extrusion needle 47 resets, can extrude the corn cob after threshing in the collection box 48.

Referring to fig. 5, the screening mechanism includes a bottom plate 51, a cylinder five 52 disposed in an inclined manner is movably connected to the bottom plate 51, a piston rod end of the cylinder five 52 is connected to a movable plate 57, the movable plate 57 is rotatably connected to the bottom plate 51 through a rotation shaft, a collecting barrel 59 is fixedly mounted at the top of the movable plate 57, a discharge pipe 510 is disposed on the collecting barrel 59, a connecting plate 58 is rotatably connected to the top of the collecting barrel 59, a filter screen barrel 56 is rotatably connected to the top of the connecting plate 58, a rotating motor 53 is fixedly mounted at the top of the collecting barrel 59, an eccentric wheel 54 is fixedly mounted on an output shaft of the rotating motor 53, an eccentric rod 55 is disposed on the eccentric wheel 54 in an inclined manner, and an end of the eccentric rod 55 is movably connected to the filter screen barrel 56. When corn cobs and corn kernels fall into the filter screen barrel 56, the air cylinder five 52 and the rotary motor 53 are started to work so as to drive the filter screen barrel 56 and the collecting barrel 59 to move, the air cylinder five 52 stretches and contracts to facilitate discharging, the rotary motor 53 drives the filter screen barrel 56 to reset so as to facilitate screening the corn cobs and the corn kernels, the corn kernels are discharged through the discharging pipe 510, and the corn cobs are left in the filter screen barrel 56; the purpose that this application set up corn cob and kernel of corn in step is in order to shorten the time that extrusion needle 47 reset, can wholly improve work efficiency.

Referring to fig. 4, the conveying mechanism 2 includes a conveying box fixedly mounted on the base 1, a storage box 21 is fixedly mounted on the top of the conveying box, telescopic baffles driven by air cylinders are arranged on two sides of the inner wall of the storage box 21 and above the kneading plates 27, so that intermittent blanking is facilitated; the inside of storage case 21 is provided with the camera for take a picture the corn-on-cob, and will take a picture the information transfer and give analysis module, analysis module carries out the analysis to the diameter of corn-on-cob, and gives the controller with diameter information transfer, and controller control cylinder four 213 are flexible, one side fixed mounting of storage case 21 has cylinder three 28, the piston rod tip fixed mounting of cylinder three 28 has rub the board 27, rub the board 27 and extend to storage case 21, rub the board 27 and be the arc structure, the bottom array of rubbing the board 27 is provided with a plurality of activity arch 211, be connected with arc through cylinder four 213 on the bottom inner wall of storage case 21 and place board 212, the array is provided with a plurality of fixed arch 210 on the inner wall of arc place board 212, one side of arc place board 212 is provided with reciprocating motion's push pedal 25, the through-hole has been seted up to one side of storage case 21.

The top of the kneading plate 27 is provided with a blanking groove 26, the lower part of the blanking groove 26 is connected with a sliding plate 29 in a sliding way, the sliding plate 29 is driven by an air cylinder in the kneading plate 27, through the arrangement of the structure, the sliding plate 29 is opened in the reciprocating movement process of the kneading plate 27, blanking can be carried out, and the reciprocating movement of the kneading plate 27 is not required to be stopped and the position of the sliding plate is adjusted.

The corn cob is put into the storage box 21, then the sliding plate 29 is opened, the corn cob falls onto the arc-shaped placing plate 212, meanwhile, the third cylinder 28 is started, the kneading plate 27 and the sliding plate 29 are driven to reciprocate, and the corn cob is kneaded and loosened before threshing through the cooperation of the movable protrusions 211 and the fixed protrusions 210, so that later threshing is facilitated, and the damage rate of corn is reduced. And the cylinder IV 213 promotes the arc to place the board 212 and goes up and down, is convenient for rub the cob of different diameters, and the effect is better, and the suitability is strong.

The inside fixed mounting of transport box has gear box 22, the inside of gear box 22 is provided with bevel gear group, one side fixed mounting of gear box 22 has driving motor, the top of gear box 22 is through pivot and cam 23, cam 23 and reset push rod 24 contact, reset push rod 24's tip extends to in the bin 21 and is connected with push pedal 25, the spring has been cup jointed on the reset push rod 24, the opposite side rotation of gear box 22 is connected with axis of rotation 214, the tip fixed mounting of axis of rotation 214 has rotatory bucket 215, a plurality of plugboards 216 are installed to the equidistance on the rotatory bucket 215, convenient to detach, be provided with folding bar 217 through the hinge level on the transport box, folding bar 217 is the rubber stick. The driving motor drives the cam 23 and the rotary barrel 215 to rotate through the gear box 22, the cam 23 pushes the reset pushing rod 24 and the push plate 25 to intermittently move so as to push the corn cob to move, and meanwhile, the rotary barrel 215 drives the plugboard 216 to rotate so as to convey the corn cob to the conveying belt for intermittent conveying; and in the process of corn cob rotation, the corn cob can be contacted with the folding bar 217 first, the corn cob can be impacted down, the folding bar 217 can shrink and then is conveyed, and subsequent falling is facilitated.

The working principle of the invention is as follows: the corn cob is put into the storage box 21, then the sliding plate 29 is opened, the corn cob falls onto the arc-shaped placing plate 212, meanwhile, the third cylinder 28 is started, the kneading plate 27 and the sliding plate 29 are driven to reciprocate, and the corn cob is kneaded and loosened before threshing through the cooperation of the movable protrusions 211 and the fixed protrusions 210, so that later threshing is facilitated, and the damage rate of corn is reduced. And the cylinder IV 213 promotes the arc to place the board 212 and goes up and down, is convenient for rub the cob of different diameters, and the effect is better, and the suitability is strong.

Then the driving motor drives the cam 23 and the rotary barrel 215 to rotate through the gear box 22, the cam 23 pushes the reset pushing rod 24 and the push plate 25 to intermittently move so as to push the corn cob to move, and meanwhile, the rotary barrel 215 drives the inserting plate 216 to rotate so as to convey the corn cob to the conveying belt for intermittent conveying; in the process of rotating the corn cob, the corn cob is contacted with the folding bar 217 firstly, the corn cob is impacted, the folding bar 217 is contracted, and then the corn cob is conveyed, so that the corn cob is convenient for subsequent falling off;

finally, after the corn cob is rubbed once by the conveying mechanism 2, when the corn cob is conveyed to the threshing mechanism 4 by the conveying belt 3, the electric telescopic rod 413 is started to push the upper extruding plate 44 to ascend, then the corn cob enters the lower arc plate 43, at the moment, the upper extruding plate 44 descends, on one hand, the corn cob on the conveying belt 3 is blocked from falling down, and secondly, the corn cob is centered by the cooperation of the upper extruding plate 44 and the lower arc plate 43, so that the extruding needle 47 is conveniently inserted into the center for conveying; simultaneously, the first cylinder 41 and the second cylinder 49 are started, the first cylinder 41 drives the pushing disc 42 to move rightwards so as to push the corn cobs to move, the second cylinder 49 drives the extruding needle 47 to move rightwards and insert the corn cobs, then the first cylinder 41 and the second cylinder 49 are reset, the extruding needle 47 drives the corn cobs to enter the trapezoid threshing barrel 45, the trapezoid threshing barrel 45 rotates to thresh the corn cobs through the threshing roller 412 and convey the corn cobs out, and finally the corn cobs and the corn cobs fall into the collecting box 48 to be collected. The purpose of the trapezoidal threshing barrel 45 is that it can threshing corn cobs of different diameters.

The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims

1. The utility model provides a corn continuous threshing device for agricultural production, includes base (1), the top fixed mounting of base (1) has conveying mechanism (2), one side of conveying mechanism (2) is provided with conveyer belt (3), one end that conveying mechanism (2) was kept away from to conveyer belt (3) is provided with threshing mechanism (4), a serial communication port, threshing mechanism (4) are including cylinder one (41) on fixed mounting base (1), the piston rod tip fixed mounting of cylinder one (41) has pushing disc (42), one side of pushing disc (42) is provided with down arc (43), the top of lower arc (43) is connected with upper squeeze plate (44) through electric telescopic handle (413), all be provided with telescopic ball (416) on the inner wall of upper squeeze plate (44) and lower arc (43), one side fixed mounting of lower arc (43) has mounting panel (417), the inside of mounting panel (417) is provided with the through-hole, one side rotation of mounting panel (41) is connected with trapezoidal bucket (45), the top (45) is provided with trapezoidal barrel (45) of threshing cylinder one side of installing (45), the fixed mounting of threshing cylinder (45) has two (46), the end part of the piston rod of the second cylinder (49) is fixedly provided with an extrusion needle (47).

2. Continuous threshing device for corns for agricultural production as claimed in claim 1, characterized in that spiral conveying blades are arranged on the inner wall of said trapezoidal threshing barrel (45).

3. The continuous corn threshing device for agricultural production of claim 1, wherein the upper extrusion plate (44) and the lower arc plate (43) are respectively inserted with a guide post (415), the guide posts (415) are sleeved with a first spring (414), and the end parts of the guide posts (415) are movably connected with balls (416).

4. The continuous corn threshing device for agricultural production of claim 1, wherein a collecting box (48) is fixedly arranged at the top of the base (1), a screening mechanism is arranged inside the collecting box (48), a gear (411) is fixedly arranged on one side of the collecting box (48), the gear (411) is driven by a motor, a baffle (410) is fixedly arranged at the top of the collecting box (48), and the extruding needle (47) penetrates through the baffle (410).

5. The continuous corn threshing device for agricultural production of claim 4, wherein the screening mechanism comprises a bottom plate (51), a cylinder five (52) which is obliquely arranged is movably connected to the bottom plate (51), a piston rod end part of the cylinder five (52) is connected with a movable plate (57), the movable plate (57) is rotationally connected with the bottom plate (51) through a rotating shaft, a collecting barrel (59) is fixedly arranged at the top of the movable plate (57), a discharging pipe (510) is arranged on the collecting barrel (59), a connecting plate (58) is rotationally connected to the top of the collecting barrel (59), a filter screen barrel (56) is rotationally connected to the top of the connecting plate (58), a rotating motor (53) is fixedly arranged at the top of the collecting barrel (59), an eccentric wheel (54) is fixedly arranged on an output shaft of the rotating motor (53), an eccentric rod (55) is obliquely arranged on the eccentric wheel (54), and the end part of the eccentric rod (55) is movably connected with the filter screen barrel (56).

6. The continuous corn threshing device for agricultural production according to claim 1, wherein the conveying mechanism (2) comprises a conveying box fixedly installed on the base (1), a storage box (21) is fixedly installed at the top of the conveying box, a cylinder III (28) is fixedly installed on one side of the storage box (21), a kneading plate (27) is fixedly installed at the end part of a piston rod of the cylinder III (28), the kneading plate (27) extends to the storage box (21), the kneading plate (27) is of an arc-shaped structure, a plurality of movable protrusions (211) are arranged at the bottom array of the kneading plate (27), an arc-shaped placing plate (212) is connected to the inner wall of the bottom of the storage box (21) through a cylinder IV (213), a plurality of fixing protrusions (210) are arranged at the inner wall of the arc-shaped placing plate (212), a pushing plate (25) capable of reciprocating is arranged on one side of the arc-shaped placing plate (212), and a through hole is formed in one side of the storage box (21).

7. The continuous corn threshing device for agricultural production of claim 6, wherein a blanking groove (26) is formed in the top of the kneading plate (27), a sliding plate (29) is connected below the blanking groove (26) in a sliding manner, and the sliding plate (29) is driven by an air cylinder in the kneading plate (27).

8. The continuous corn threshing device for agricultural production of claim 7, wherein a gear box (22) is fixedly installed in the conveying box, a driving motor is fixedly installed on one side of the gear box (22), the top of the gear box (22) is contacted with a cam (23) through a rotating shaft, the cam (23) is contacted with a reset pushing rod (24), the end part of the reset pushing rod (24) extends into a storage box (21) to be connected with a pushing plate (25), a spring is sleeved on the reset pushing rod (24), a rotating shaft (214) is rotatably connected to the other side of the gear box (22), a rotating barrel (215) is fixedly installed on the end part of the rotating shaft (214), a plurality of plugboards (216) are installed on the rotating barrel (215) at equal distances, and folding bars (217) are horizontally arranged on the conveying box.