CN110679300B

CN110679300B - Straw is smashed and is used compression treatment device with divide and allocate effect

Info

Publication number: CN110679300B
Application number: CN201910859043.8A
Authority: CN
Inventors: 章云
Original assignee: Wuhu Kaiaoer Environmental Protection Technology Co ltd
Current assignee: Wuhu Kaiaoer Environmental Protection Technology Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2022-08-30
Anticipated expiration: 2039-09-11
Also published as: CN110679300A

Abstract

The invention discloses a compression treatment device with a distribution function for crushing straws, which comprises a compression tank and a feeding tank, wherein the top end of the compression tank is provided with the feeding tank, the center of the interior of the feeding tank is provided with a rotating shaft, the left end surface of a displacement plate is provided with a third horizontal cylinder which is horizontally distributed, the bottom end of the compression tank is provided with a fan, the fan is connected with an air suction pipe, the right side of the compression tank is provided with a pull plate, the cross section of the pull plate is in an L-shaped structure, and a fixed plate is arranged below the pull plate. This straw is smashed and is used compression treatment device with divide and allocate effect, through the use of multiunit ratchet pawl structure, make the different running direction of motor realize the different purposes of allocating unloading and compression straw, structural design is more reasonable to can derive the operation to inside steam of straw and steam in the compression straw, the compression quality is better.

Description

Straw is smashed and is used compression treatment device with divide and allocate effect

Technical Field

The invention relates to the technical field of straw crushing, in particular to a compression treatment device with a distribution function for straw crushing.

Background

The straw is the main discarded object after crops are ripe to be reaped, because the reutilization value of its higher burning and fermentation, so people generally can retrieve the straw in batches after, smash and compression treatment to it, smash to make things convenient for subsequent abundant recycle, and the purpose of compression then is the straw bulk transport after convenient smashing, and current compression treatment device generally combines reducing mechanism to use jointly, but current compression structure has following shortcoming when carrying out compression treatment to the straw:

1. the quantitative blanking allocation is inconvenient, the allocation function is required to be used for intermittently controlling the falling of the materials in the compression tank due to the limited single compression amount of the compression mechanism, but the linkage of the existing compression structure and the material conveying mechanism is weak, and the control is inconvenient;

2. the straw is inside still to have a large amount of moisture and steam after smashing the compression, and long-distance transport back is because inside gas exchange efficiency is very low, leads to the straw to milden and rot easily, has the design of punching the compression piece among the current structure, but can not be when punching, carries out timely mediation to inside steam and steam.

Disclosure of Invention

The invention aims to provide a compression treatment device with a distribution function for crushing straws, which aims to solve the problem that distribution treatment of quantitative blanking is inconvenient in the background technology, and the single compression amount of a compression mechanism is limited, so that a distribution function is needed to intermittently control the falling of materials in a compression tank, but the linkage of the existing compression structure and a material conveying mechanism is weak, and the control is inconvenient; the straw is inside still to have a large amount of moisture and steam after smashing the compression, and long-distance transport back is because inside gas exchange efficiency is very low, leads to the straw to milden and rot easily, has the design of punching to the compression piece in the current structure, but can not be when punching, carry out the problem of timely dredging to inside steam and steam.

In order to achieve the purpose, the invention provides the following technical scheme: a compression treatment device with a distribution function for straw crushing comprises a compression tank and a feeding tank, wherein the top end of the compression tank is provided with the feeding tank, the lower end face of the feeding tank is provided with a feeding barrel, the bottom end of the feeding barrel is communicated with the inside of the compression tank through a feeding hole, a rotating shaft is arranged at the center of the inside of the feeding barrel and is vertically distributed, a auger plate is arranged on the rotating shaft, the top end of the compression tank is provided with a first transverse barrel which is horizontally distributed, the left end of the first transverse barrel is connected with a second transverse barrel through a first belt pulley mechanism, the second transverse barrel is arranged on the left side of the compression tank and is positioned below the first transverse barrel, the second transverse barrel is connected with the output end of a motor through a second belt pulley mechanism, a pressing plate which is vertically distributed is arranged inside the compression tank, and a displacement plate is arranged on the lateral side of the pressing plate, and both are vertical distribution, the horizontal third section of thick bamboo of horizontal distribution is installed to the left end face of displacement board, and the right-hand member face of displacement board installs the inserted bar to first cavity and second cavity have been seted up to the inside of displacement board, and the second cavity is rectangular frame form and distributes simultaneously, be fixed with the clamping ring on the inserted bar, and the clamping ring is located between clamp plate and the displacement board to the up end of clamping ring is fixed with horizontal distribution's leak protection board, and the surface of leak protection board closely laminates with the inner wall of compression jar simultaneously, the fan is installed to the bottom of compression jar, and fan and breathing pipe are connected, the pull board is installed on the right side of compression jar, and the cross-section of pull board is "L" style of calligraphy structure to the below of pull board is provided with the fixed plate.

Preferably, the bottom of pivot and the right-hand member of horizontal pole all install the awl tooth, and 2 awl tooth intermeshing to the horizontal pole is horizontal distribution, and inside its left end passed a feeding section of thick bamboo and extended to a first horizontal section of thick bamboo, and the inside of a first horizontal section of thick bamboo is provided with first pawl.

Preferably, the tail end of the first pawl is rotatably connected to the surface of the cross rod, the top end of the first pawl is clamped with the first ratchet, and the first ratchet is welded on the inner wall of the first transverse cylinder at equal angles.

Preferably, the right end of the second transverse cylinder is rotatably connected with the side wall of the compression tank, a screw rod and a second pawl are arranged inside the second transverse cylinder, the tail end of the second pawl is rotatably connected to the smooth surface of the left section of the screw rod, meanwhile, the top end of the second pawl and the second ratchet are connected, and the second ratchet is welded on the inner wall of the second transverse cylinder at equal angles.

Preferably, the lead screw is horizontal distribution, and its section bearing is installed on the compression jar lateral wall, and it is through the helicitic texture and the horizontal section of thick bamboo inner wall threaded connection of third on the right-hand member surface.

Preferably, the outer surface of the right end of the inserted bar is made of a magnet material, the inserted bar and the pressing plate made of a metal material form a sliding connection structure in the horizontal direction, an air suction channel is formed in the center of the inside of the inserted bar, a filter screen covering the inserted bar is installed at the right end of the air suction channel, the left end of the air suction channel is communicated with the first cavity, and the first cavity formed in the displacement plate is communicated with the top end of the air suction pipe.

Preferably, the second cavity is communicated with the air blowing channel, the air blowing channel is arranged inside the side wall of the inserted bar and wraps the periphery of the first cavity, the left end of the second cavity is connected with the hot air pipe, and the hot air pipe and the air suction pipe are made of hose materials.

Preferably, the pull board passes through the slide bar and the compression jar constitutes sliding connection structure, and the inner wall of pull board bottom has seted up the board groove to the board inslot coincide has the push pedal, and the push pedal passes through guide bar and pull board sliding connection simultaneously, and the below of guide bar is provided with the guide block of surface slope, and the up end at the fixed plate is fixed to the guide block.

Compared with the prior art, the invention has the beneficial effects that: according to the compression treatment device with the distribution function for straw crushing, different purposes of distributing, blanking and compressing straws are achieved in different running directions of the motor through the use of the multiple groups of ratchet pawl structures, the structural design is more reasonable, hot air and water vapor in the straws can be guided out while the straws are compressed, and the compression quality is better;

1. the internal structure design of the first transverse cylinder and the second transverse cylinder enables the positive rotation and the negative rotation of the motor to drive the transverse rod or the screw rod to rotate, so that the purpose of quantitative distribution and blanking is achieved;

2. due to the design of the inserted rod structure, holes with corresponding shapes are reserved in the compression block formed subsequently while the straw is compressed, the exchange efficiency of the compression block and air is increased, and the straw is prevented from mildewing;

3. the use of multiple groups of cavities and channel structures can heat the compression block and conduct gas out by utilizing the structure of the inserted rod.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a second horizontal cylinder according to the present invention;

FIG. 3 is a schematic side view of the first horizontal tube of the present invention;

FIG. 4 is a side view of a second cross-section cylinder of the present invention;

FIG. 5 is a schematic cross-sectional view of the insertion rod of the present invention;

FIG. 6 is a schematic side view of the displacement plate of the present invention;

fig. 7 is a schematic diagram of the state change structure of the drawing plate after the drawing plate is moved to the right.

In the figure: 1. a compression tank; 2. a feed tank; 3. a feeding cylinder; 4. a feed inlet; 5. a rotating shaft; 51. conical teeth; 52. a cross bar; 53. a first pawl; 54. a first ratchet; 6. a twisted plate; 7. a first transverse cylinder; 8. a first pulley mechanism; 9. a second transverse cylinder; 91. a second pawl; 92. a second ratchet; 93. a screw rod; 10. a second pulley mechanism; 11. an electric motor; 12. pressing a plate; 13. a displacement plate; 14. a third transverse cylinder; 15. inserting a rod; 151. an air suction passage; 152. a first cavity; 153. an air intake duct; 154. an air blowing channel; 155. a second cavity; 156. a hot gas pipe; 16. pressing a ring; 17. a leak-proof plate; 18. a fan; 19. a drawing plate; 191. a slide bar; 192. pushing the plate; 193. a plate groove; 194. a guide rod; 195. a guide block; 20. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a compression treatment device with a distribution function for crushing straws comprises a compression tank 1, a feeding tank 2, a feeding cylinder 3, a feeding port 4, a rotating shaft 5, a bevel gear 51, a cross rod 52, a first pawl 53, a first ratchet 54, an auger plate 6, a first transverse cylinder 7, a first belt pulley mechanism 8, a second transverse cylinder 9, a second pawl 91, a second ratchet 92, a screw rod 93, a second belt pulley mechanism 10, a motor 11, a pressing plate 12, a displacement plate 13, a third transverse cylinder 14, an inserting rod 15, an air suction channel 151, a first cavity 152, an air suction pipe 153, an air blowing channel 154, a second cavity 155, a hot air pipe 156, a pressing ring 16, a leakage-proof plate 17, a fan 18, a drawing plate 19, a sliding rod 191, a push plate 192, a plate groove 193, a guide rod 194, a guide block 195 and a fixing plate 20, wherein the feeding tank 2 is arranged at the top end of the compression tank 1, the feeding cylinder 3 is arranged at the lower end face of the feeding tank 2, the bottom end face of the feeding cylinder 3 is communicated with the interior of the compression tank 1 through the feeding port 4, a rotating shaft 5 is arranged at the center of the interior of the feeding cylinder 3, the rotating shaft 5 is vertically distributed, a auger plate 6 is arranged on the rotating shaft 5, a first horizontal cylinder 7 which is horizontally distributed is arranged at the top end of the compression tank 1, the left end of the first horizontal cylinder 7 is connected with a second horizontal cylinder 9 through a first belt pulley mechanism 8, the second horizontal cylinder 9 is arranged at the left side of the compression tank 1, the second horizontal cylinder 9 is positioned below the first horizontal cylinder 7, the second horizontal cylinder 9 is connected with the output end of the motor 11 through a second belt pulley mechanism 10, a pressing plate 12 which is vertically distributed is arranged in the compression tank 1, a displacement plate 13 is arranged at the side of the pressing plate 12, the two are vertically distributed, a third horizontal cylinder 14 which is horizontally distributed is arranged on the left end face of the displacement plate 13, an inserting rod 15 is arranged on the right end face of the displacement plate 13, a first cavity 152 and a second cavity 155 are arranged in the displacement plate 13, meanwhile, the second cavity 155 is distributed in a rectangular frame shape, the insert rod 15 is fixedly provided with a compression ring 16, the compression ring 16 is located between the pressing plate 12 and the displacement plate 13, the upper end face of the compression ring 16 is fixedly provided with a leakage-proof plate 17 which is distributed horizontally, the surface of the leakage-proof plate 17 is tightly attached to the inner wall of the compression tank 1, the bottom end of the compression tank 1 is provided with a fan 18, the fan 18 is connected with the air suction pipe 153, the right side of the compression tank 1 is provided with a drawing plate 19, the cross section of the drawing plate 19 is in an L-shaped structure, and a fixing plate 20 is arranged below the drawing plate 19.

The bottom end of the rotating shaft 5 and the right end of the cross rod 52 are both provided with conical teeth 51, 2 conical teeth 51 are meshed with each other, the cross rod 52 is horizontally distributed, the left end of the cross rod 52 penetrates through the feeding cylinder 3 and extends into the first transverse cylinder 7, the first transverse cylinder 7 is internally provided with a first pawl 53, the tail end of the first pawl 53 is rotatably connected to the surface of the cross rod 52, the top end of the first pawl 53 is clamped with a first ratchet 54, the first ratchet 54 is welded on the inner wall of the first transverse cylinder 7 at an equal angle, when the motor 11 drives the output shaft of the motor to rotate forwards, the first ratchet 54 and the first pawl 53 in the drawing 3 are in a clamping state during the rotation, so that the rotation of the first transverse cylinder 7 can drive the cross rod 52 in the drawing 1 and the drawing 3 to rotate synchronously, under the meshing transmission action of the conical teeth 51 at the right end of the cross rod 52, the rotating shaft 5 in the feeding cylinder 3 can be in a rotating state synchronously, and therefore, under the rotating transmission of the auger plate 6, the material can enter into compression tank 1 through feed inlet 4 of its feed cylinder 3 bottom, and it can to make motor 11 reverse when needing to compress.

The right end of the second horizontal tube 9 is rotatably connected with the side wall of the compression tank 1, a screw rod 93 and a second pawl 91 are arranged in the second horizontal tube 9, the tail end of the second pawl 91 is rotatably connected with the left section smooth surface of the screw rod 93, the top end of the second pawl 91 is connected with a second ratchet 92, the second ratchet 92 is welded on the inner wall of the second horizontal tube 9 at equal angles, the screw rod 93 is horizontally distributed, a section bearing is arranged on the side wall of the compression tank 1 and is in threaded connection with the inner wall of the third horizontal tube 14 through a threaded structure on the surface of the right end, when the motor 11 drives the second horizontal tube 9 to rotate reversely through the second belt pulley mechanism 10, the second ratchet 92 and the second pawl 91 in fig. 3 are in a clamping state, the screw rod 93 in fig. 2 and fig. 3 synchronously rotate, when the screw rod 93 of the single-selection reciprocating threaded structure rotates, the screw rod 93 drives the third horizontal tube 14 to synchronously move under the threaded transmission action of the screw rod and the third horizontal tube 14, as shown in FIG. 5, the third horizontal cylinder 14 drives the displacement plate 13 to move synchronously, and the pressing plate 12 is driven by the pressing ring 16 to move together until the pressing plate 12 moves to the maximum distance in the compression tank 1, i.e. the compression of the straw is completed.

The outer surface of the right end of the insert rod 15 is made of magnet material, and the insert rod and the pressing plate 12 made of metal material form a sliding connection structure in the horizontal direction, and the inner center of the insert rod 15 is provided with an air suction channel 151, the right end of the air suction channel 151 is provided with a filter screen covering the insert rod 15, the left end of the air suction channel 151 is communicated with the first cavity 152, the first cavity 152 arranged on the displacement plate 13 is communicated with the top end of the air suction pipe 153, the second cavity 155 is communicated with an air blowing channel 154, the air blowing channel 154 is arranged inside the side wall of the insert rod 15 and wraps the periphery of the first cavity 152, the left end of the second cavity 155 is connected with a hot air pipe 156, and the hot air pipe 156 and the air suction pipe 153 are made of hose material, during the compression process, hot air or hot oil/water enters the second cavity 155 through the hot air pipe 156 and then enters the air blowing channel 154, and the hot wet and humid air in the compression block is dried by heat, the fan 18 operates to draw moisture from the compressed blocks through the suction duct 153, the first cavity 152 and the suction channel 151.

The drawing plate 19 forms a sliding connection structure with the compression tank 1 through a sliding rod 191, the inner wall of the bottom end of the drawing plate 19 is provided with a plate groove 193, and the plate groove 193 is engaged with the push plate 192, and the push plate 192 is slidably coupled with the drawing plate 19 by the guide rod 194, and a guide block 195 having an inclined surface is provided below the guide rod 194, and the guide block 195 is fixed to the upper end surface of the fixed plate 20, after the compression is completed, the displacement plate 13 moves back, the insertion rod 15 correspondingly withdraws, and the magnetic material at the end of the insertion rod and the magnetic attraction of the pressing plate 12 drive the pressing plate 12 to move back together, the user can directly draw out the drawing plate 19 to drive the guide rod 194 at the bottom end of the drawing plate in figure 7 to move synchronously, after the guide rod 194 moves to contact with the guide block 195, under the guidance of the surface inclined structure, the guide rod 194 will drive the push plate 192 to move upwards, so as to realize the purpose of ejecting the material.

The working principle is as follows: the straw after being crushed as shown in fig. 1 enters the feeding cylinder 3 through the feeding tank 2, when the motor 11 drives the output shaft thereof to rotate forward, the second horizontal cylinder 9 rotates forward correspondingly under the driving of the second belt pulley mechanism 10, because the second pawl 91 and the second ratchet 92 in fig. 4 are in the non-clamping state during the rotation, the rotation of the second horizontal cylinder 9 does not drive the screw rod 93 to rotate synchronously, the first horizontal cylinder 7 will rotate together with the second horizontal cylinder 9 under the driving of the first belt pulley mechanism 8, and the first ratchet 54 and the first pawl 53 in fig. 3 are in the clamping state during the rotation, so the rotation of the first horizontal cylinder 7 will drive the cross rod 52 in fig. 1 and fig. 3 to rotate synchronously, and under the meshing transmission action of the conical tooth 51 at the right end of the cross rod 52, the rotating shaft 5 in the feeding cylinder 3 will be in the rotating state synchronously, so that under the rotating and conveying of the auger plate 6, the material can enter the compression tank 1 through the feed inlet 4 at the bottom end of the feed cylinder 3, and the motor 11 is rotated reversely when the compression is needed;

when the motor 11 drives the second transverse cylinder 9 to rotate reversely through the second pulley mechanism 10, the second ratchet 92 and the second pawl 91 in fig. 3 are in a clamping state, the lead screw 93 in fig. 2 and fig. 3 rotate synchronously, and when the lead screw 93 of the single-choice reciprocating threaded structure rotates, under the screw transmission action of the lead screw and the third transverse cylinder 14, the third transverse cylinder 14 is driven to move synchronously, as shown in fig. 5, the third transverse cylinder 14 together drives the displacement plate 13 to move synchronously, and under the drive of the compression ring 16, the compression plate 12 is driven to move together until the compression plate 12 moves to the maximum distance in the compression tank 1, namely, the compression of the straw is completed, the insertion rod 15 is always located inside the compression block during the compression process, so that holes with corresponding diameters are left inside the compression block after the insertion rod 15 is withdrawn, and during the compression process, hot air or hot oil/water enters the second cavity 155 through the hot air pipe 156, then the compressed block enters the blowing channel 154, the damp and hot gas in the compressed block is dried by heat, and the operation of the fan 18 leads the water vapor in the compressed block out through the air suction pipe 153, the first cavity 152 and the air suction channel 151;

after the compression is completed, the displacement plate 13 moves back, the insertion rod 15 correspondingly withdraws, and the magnetic material at the end of the insertion rod and the magnetic attraction connection effect of the pressing plate 12 drive the pressing plate 12 to move back together, the user can directly pull out the pull-out plate 19 to drive the guide rod 194 at the bottom end of the pull-out plate in fig. 7 to move synchronously, and after the guide rod 194 moves to contact with the guide block 195, the guide rod 194 can drive the push plate 192 to move upwards under the guidance of the inclined structure on the surface of the guide rod, so that the purpose of ejecting the material is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a straw is smashed and is used compression processing apparatus with divide function, includes compression jar (1) and feeding tank (2), its characterized in that: the top end of the compression tank (1) is provided with a feeding tank (2), the lower end face of the feeding tank (2) is provided with a feeding cylinder (3), the bottom end of the feeding cylinder (3) is communicated with the interior of the compression tank (1) through a feeding port (4), the center of the interior of the feeding cylinder (3) is provided with a rotating shaft (5), the rotating shaft (5) is vertically distributed, the rotating shaft (5) is provided with a twisted dragon plate (6), the top end of the compression tank (1) is provided with a first transverse cylinder (7) which is horizontally distributed, the left end of the first transverse cylinder (7) is connected with a second transverse cylinder (9) through a first belt pulley mechanism (8), the second transverse cylinder (9) is arranged on the left side of the compression tank (1), the second transverse cylinder (9) is positioned below the first transverse cylinder (7), and the second transverse cylinder (9) is connected with the output end of a motor (11) through a second belt pulley mechanism (10), the compression tank is characterized in that a pressing plate (12) which is vertically distributed is arranged in the compression tank (1), a displacement plate (13) is arranged on the side of the pressing plate (12) and is vertically distributed, a third horizontal cylinder (14) which is horizontally distributed is installed on the left end face of the displacement plate (13), an insertion rod (15) is installed on the right end face of the displacement plate (13), a first cavity (152) and a second cavity (155) are formed in the displacement plate (13), the second cavity (155) is distributed in a rectangular frame shape, a pressing ring (16) is fixed on the insertion rod (15), the pressing ring (16) is located between the pressing plate (12) and the displacement plate (13), a leakage-proof plate (17) which is horizontally distributed is fixed on the upper end face of the pressing ring (16), the surface of the leakage-proof plate (17) is tightly attached to the inner wall of the compression tank (1), a fan (18) is installed at the bottom end of the compression tank (1), the fan (18) is connected with the air suction pipe (153), the right side of the compression tank (1) is provided with a drawing plate (19), the cross section of the drawing plate (19) is of an L-shaped structure, and a fixing plate (20) is arranged below the drawing plate (19);

bevel teeth (51) are mounted at the bottom end of the rotating shaft (5) and the right end of the cross rod (52), the 2 bevel teeth (51) are meshed with each other, the cross rod (52) is horizontally distributed, the left end of the cross rod penetrates through the feeding cylinder (3) and extends into the first transverse cylinder (7), and a first pawl (53) is arranged in the first transverse cylinder (7);

the tail end of the first pawl (53) is rotatably connected to the surface of the cross rod (52), the top end of the first pawl (53) is clamped with the first ratchet (54), and the first ratchet (54) is welded on the inner wall of the first transverse cylinder (7) at equal angles;

the right end of the second transverse cylinder (9) is rotatably connected with the side wall of the compression tank (1), a screw rod (93) and a second pawl (91) are arranged inside the second transverse cylinder (9), the tail end of the second pawl (91) is rotatably connected to the smooth surface of the left section of the screw rod (93), the top end of the second pawl (91) and a second ratchet (92) are arranged, and the second ratchet (92) is welded on the inner wall of the second transverse cylinder (9) at equal angles;

the screw rods (93) are horizontally distributed, and the middle section bearings are installed on the side wall of the compression tank (1) and are in threaded connection with the inner wall of the third transverse cylinder (14) through a threaded structure on the surface of the right end;

the outer surface of the right end of the inserted rod (15) is made of a magnet material, the inserted rod and a pressing plate (12) made of a metal material form a sliding connection structure in the horizontal direction, an air suction channel (151) is formed in the center of the inside of the inserted rod (15), a filter screen covering the inserted rod (15) is installed at the right end of the air suction channel (151), the left end of the air suction channel (151) is communicated with the first cavity (152), and the first cavity (152) formed in the displacement plate (13) is communicated with the top end of the air suction pipe (153);

the second cavity (155) is communicated with the air blowing channel (154), the air blowing channel (154) is arranged inside the side wall of the inserted bar (15) and wraps the periphery of the first cavity (152), the left end of the second cavity (155) is connected with the hot air pipe (156), and the hot air pipe (156) and the air suction pipe (153) are made of hose materials.

2. The straw crushing compressing device with the distributing function as claimed in claim 1, wherein: the drawing plate (19) forms a sliding connection structure through a sliding rod (191) and the compression tank (1), a plate groove (193) is formed in the inner wall of the bottom end of the drawing plate (19), a push plate (192) is matched in the plate groove (193), the push plate (192) is connected with the drawing plate (19) in a sliding mode through a guide rod (194), a guide block (195) with an inclined surface is arranged below the guide rod (194), and the guide block (195) is fixed on the upper end face of a fixing plate (20).