CN111283915A

CN111283915A - Broken system of plastics that reliability is high with prevent blockking up function

Info

Publication number: CN111283915A
Application number: CN202010100751.6A
Authority: CN
Inventors: 岳超然
Original assignee: Shenzhen Wancheng Technology Co Ltd
Current assignee: Shenzhen Wancheng Technology Co Ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-06-16

Abstract

The invention relates to a high-reliability plastic crushing system with an anti-blocking function, which comprises a crushing device, a material pushing mechanism and a knocking mechanism, wherein the crushing device comprises a main body, a material feeding pipe, a screen, a collecting box and two crushing mechanisms, the material pushing mechanism comprises a connecting plate, a connecting rod, a pressing plate and two reciprocating components, the knocking mechanism comprises a connecting component, a rotating shaft, a rotating wheel, two first bearings, two torsion springs and a plurality of knocking rods, the high-reliability plastic crushing system with the anti-blocking function can press the plastic blocked in the feeding pipe into the main body through the material pushing mechanism, thereby avoiding the blockage of the feeding pipe caused by excessive plastic feeding, the screen is knocked to shake the screen, so that the crushed plastic falls into the main body through the screen, and the still larger plastic after crushing can be shaken into the collecting box.

Description

Broken system of plastics that reliability is high with prevent blockking up function

Technical Field

The invention relates to the field of crushing equipment, in particular to a plastic crushing system with an anti-blocking function and high reliability.

Background

The plastic crusher is used for crushing waste plastics and plastic leftover materials of factories. The plastic crusher is widely applied to waste plastic regeneration and recycling of factory leftover materials. The motor power of the plastic crusher is between 3.5 and 150 kilowatts, and the rotating speed of the knife roll is between 150 and 500 rpm. The structure is divided into tangential feeding and top feeding; the knife roll is different from a solid knife roll and a hollow knife roll.

Present plastic crusher is when the unloading, if cause the jam of inlet pipe easily behind the too much of the plastics of putting into the inlet pipe, need artificially push into the main part with plastics, thereby the probability of staff and sawtooth contact has been increased, the fail safe nature of current plastic crusher has been reduced, moreover, the size of the broken plastics of current plastic crusher is different, the too big unable screen cloth that passes through of volume, lead to massive plastics to pile up on the screen cloth and block up the screen cloth, thereby make the less unable screen cloth that also passes through of volume, thereby influence the normal work of equipment, the practicality of current plastic crusher has been reduced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the plastic crushing system with the anti-blocking function and high reliability is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a high-reliability plastic crushing system with an anti-blocking function comprises a crushing device, wherein the crushing device comprises a main body, an inlet pipe, a screen, a collecting box and two crushing mechanisms, the crushing mechanisms are arranged in the main body, the inlet pipe is arranged above the main body, the inlet pipe is communicated with the main body, the collecting box is fixed at the bottom in the main body, the screen is obliquely arranged in the main body, one side of the screen is fixedly connected with the collecting box, the other side of the screen is fixedly connected with the inner wall of one side of the main body, which is far away from the collecting box, the side of the screen, which is close to the collecting box, is lower than the other side of the screen, one side of the main body, which is close to the collecting box, is fixedly provided with a control panel, a PLC (programmable logic controller) is arranged in the control panel, the high-reliability plastic crushing system further comprises a, the knocking mechanism is arranged below the screen, and is connected with the material pushing mechanism;

the pushing mechanism comprises a connecting plate, a connecting rod, a pressing plate and two reciprocating assemblies, the reciprocating assemblies correspond to the crushing mechanisms one by one, the reciprocating assemblies are connected with the crushing mechanisms, two through holes are formed in the upper portion of the main body and correspond to the reciprocating assemblies one by one, two ends of the connecting plate are respectively connected with the two reciprocating assemblies, one end of the connecting rod is fixedly connected with the lower portion of the connecting plate, the other end of the connecting rod is fixedly connected with the pressing plate, the pressing plate is arranged inside the feeding pipe, and the connecting plate is connected with the knocking mechanism;

the knocking mechanism comprises a connecting component, a rotating shaft, a rotating wheel, two first bearings, two torsion springs and a plurality of knocking rods, wherein the two first bearings are respectively and fixedly connected with the inner wall of one side of the main body, which is far away from the collecting box, and the collecting box, two ends of the rotating shaft are respectively and fixedly connected with the inner rings of the two first bearings, one ends of the two torsion springs are respectively connected with two ends of the rotating shaft, the other ends of the two torsion springs are respectively connected with the inner wall of the main body and the collecting box, the rotating wheel is fixed on the rotating shaft, one end of the knocking rod is circumferentially and uniformly fixed on the periphery of the rotating wheel, the other end of the knocking rod is propped against the lower part of the screen, one side of the main body far away from the collecting box is provided with a small hole, the one end of keeping away from of pivot and collecting the box passes the aperture setting in the outside of main part, the one end of keeping away from of pivot and collecting the box is connected with coupling assembling, coupling assembling is connected with the connecting plate.

Preferably, in order to realize the crushing function, the crushing mechanism comprises a motor, a driving shaft, a second bearing and a crushing disc, the motor and the second bearing are respectively and fixedly connected with the inner walls of the two sides of the main body, the motor is in transmission connection with one end of the driving shaft, the other end of the driving shaft is fixedly connected with the inner ring of the second bearing, the crushing disc is fixed on the driving shaft, sawteeth are uniformly arranged on the periphery of the crushing disc in the circumferential direction, and the motor is electrically connected with the PLC.

Preferably, in order to drive the connecting plate to move, the reciprocating assembly further comprises a half gear, a reciprocating frame and a supporting rod, the half gear is fixedly connected with the driving shaft, the half gear is arranged inside the reciprocating frame, convex teeth are uniformly fixed on the inner walls of two sides of the reciprocating frame, the half gear is meshed with the convex teeth, one end of the supporting rod is fixedly connected with the upper portion of the reciprocating frame, and the other end of the supporting rod penetrates through the small hole to be fixedly connected with the connecting plate.

Preferably, the half gear is coated with grease in order to make the reciprocating frame move smoothly.

As preferred, for the moving direction of restriction branch, pushing equipment still includes two spacing subassemblies, spacing subassembly and branch one-to-one, spacing subassembly includes two gag lever posts, be equipped with two recesses on the branch, gag lever post and recess one-to-one, two gag lever posts set up about the axis symmetry of through-hole, the one end of gag lever post and the inner wall fixed connection of through-hole, the other end setting of gag lever post is in the inside of recess, the other end and the recess sliding connection of gag lever post.

Preferably, in order to drive the rotating shaft to rotate, the connecting assembly comprises a pull wire and a rotating disc, the rotating disc is fixedly connected with one end, far away from the collecting box, of the rotating shaft, one end of the pull wire is fixedly connected with the lower portion of the connecting plate, and the other end of the pull wire is wound on the rotating disc.

Preferably, in order to change the direction of the pull wire, the connecting assembly further comprises two fixed pulleys, one fixed pulley is fixed above the main body, the other fixed pulley is fixed on one side of the main body close to the rotating disc, and one end of the pull wire, far away from the rotating disc, sequentially bypasses the two fixed pulleys and is fixedly connected with the lower portion of the connecting plate.

Preferably, in order to prolong the service life of the stay wire, the stay wire is made of nylon.

Preferably, the pressing plate is conical in shape for facilitating blanking.

Preferably, the motor is a servo motor for precise and stable operation of the motor.

The plastic crushing system with the anti-blocking function and high reliability has the advantages that the plastic blocked in the feeding pipe can be pressed into the main body through the material pushing mechanism, so that the blockage of the feeding pipe caused by excessive plastic is avoided, the plastic is pushed into the main body without manual pushing and pressing, the probability of contact of workers and saw teeth is reduced, the safety and the reliability of the equipment are improved, the screen is knocked through the knocking mechanism to shake the screen, so that the crushed plastic can fall into the main body through the screen, and the still larger plastic after crushing can be shaken into the collecting box, so that the situation that the screen is blocked by the larger plastic and the plastic meeting the specification is influenced to be collected is avoided, the reliability of the equipment is improved, compared with the existing knocking mechanism, the knocking mechanism and the material pushing mechanism are integrated into a linkage mechanism, the practicality is higher.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a highly reliable plastic shredding system with an anti-jamming function according to the present invention;

FIG. 2 is a schematic structural view of a shredder mechanism of the highly reliable plastic shredder system with anti-jamming capability of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is a schematic structural view of a stop assembly of the highly reliable plastic fragmentation system of the present invention having an anti-jamming function;

in the figure: 1. the automatic grinding machine comprises a main body, 2 parts of a control plate, 3 parts of a screen, 4 parts of a collecting box, 5 parts of a feeding pipe, 6 parts of a motor, 7 parts of a driving shaft, 8 parts of a grinding disc, 9 parts of a half gear, 10 parts of a reciprocating frame, 11 parts of a supporting rod, 12 parts of a connecting plate, 13 parts of a connecting rod, 14 parts of a pressing plate, 15 parts of a stay wire, 16 parts of a rotating disc, 17 parts of a fixed pulley, 18 parts of a rotating shaft, 19 parts of a rotating wheel, 20 parts of a knocking rod, 21 parts of a torsion spring.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a high-reliability plastic crushing system with an anti-blocking function comprises a crushing device, wherein the crushing device comprises a main body 1, a feeding pipe 5, a screen 3, a collecting box 4 and two crushing mechanisms, the crushing mechanisms are arranged inside the main body 1, the feeding pipe 5 is arranged above the main body 1, the feeding pipe 5 is communicated with the main body 1, the collecting box 4 is fixed at the bottom inside the main body 1, the screen 3 is obliquely arranged inside the main body 1, one side of the screen 3 is fixedly connected with the collecting box 4, the other side of the screen 3 is fixedly connected with the inner wall of one side of the main body 1 far away from the collecting box 4, one side of the screen 3 close to the collecting box 4 is lower than the other side of the screen 3, one side of the main body 1 close to the collecting box 4 is fixed with a control panel 2, a PLC is arranged in the control panel 2, the screen cloth crusher further comprises a material pushing mechanism and a knocking mechanism, wherein the material pushing mechanism is arranged above the main body 1 and connected with the crushing mechanism, the knocking mechanism is arranged below the screen cloth 3, and the knocking mechanism is connected with the material pushing mechanism;

a PLC, i.e., a programmable logic controller, which employs a programmable memory for storing therein a program, executing instructions for user-oriented operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controlling various types of machines or production processes through digital or analog input/output, is essentially a computer dedicated for industrial control, has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.

This broken system of plastics with prevent blockking up high reliability of function passes through pushing equipment, can impress the plastics that block up in inlet pipe 5 into the inside of main part 1, thereby avoid too much putting into of plastics to cause the jam of inlet pipe 5, need not the manual work and bulldoze the inside that pushes plastics into main part 1, the probability of staff and sawtooth contact has been reduced, thereby the fail safe nature of equipment has been improved, through striking mechanism, beat work to screen cloth 3, make screen cloth 3 shake, thereby be convenient for plastics after smashing fall to the inside at main part 1 through screen cloth 3, also can make still great plastics after smashing by the shake-off to collect in the box 4, thereby avoid great plastics of volume to block up screen cloth 3, influence collection accords with the plastics of specification, thereby improve equipment's reliability.

As shown in fig. 1-2, the pushing mechanism includes a connecting plate 12, a connecting rod 13, a pressing plate 14 and two reciprocating assemblies, the reciprocating assemblies correspond to the crushing mechanisms one by one, the reciprocating assemblies are connected to the crushing mechanisms, two through holes are arranged above the main body 1, the through holes correspond to the reciprocating assemblies one by one, two ends of the connecting plate 12 are respectively connected to the two reciprocating assemblies, one end of the connecting rod 13 is fixedly connected to the lower portion of the connecting plate 12, the other end of the connecting rod 13 is fixedly connected to the pressing plate 14, the pressing plate 14 is arranged inside the feeding pipe 5, and the connecting plate 12 is connected to the knocking mechanism;

when the crushing work is carried out, the crushing mechanism is controlled to work, the plastic is crushed, and then the screen 3 is screened, so that the plastic which meets the specification falls on the bottom in the main body 1, and the plastic which does not meet the specification is remained above the screen 3, thereby realizing the function of crushing the plastic, when the crushing mechanism works, the reciprocating assembly is driven to work, so that the connecting plate 12 moves up and down, the pressing plate 14 is driven by the connecting rod 13 to move up and down, when the pressing plate 14 moves down, the plastic blocked in the feeding pipe 5 can be pressed into the main body 1, thereby avoiding the blockage of the feeding pipe 5 caused by the excessive plastic, further, the plastic is pushed into the main body 1 without manual pushing, thereby reducing the probability of contact of workers and sawteeth, further improving the safety and reliability of the equipment, and when the connecting plate 12 moves up and down, the knocking mechanism can be driven to, the work of strikeing screen cloth 3 for screen cloth 3 trembles, thereby is convenient for the plastics after smashing fall to the inside at main part 1 through screen cloth 3, also can make still great plastics after smashing shake off to collect in the box 4, thereby avoid the great plastics of volume to block up screen cloth 3, influence collection accords with the plastics of specification, thereby improve equipment's reliability.

As shown in fig. 1, the knocking mechanism includes a connection assembly, a rotating shaft 18, a rotating wheel 19, two first bearings, two torsion springs 21 and a plurality of knocking rods 20, the two first bearings are respectively and fixedly connected with the inner wall of the main body 1 at the side far away from the collecting box 4 and the collecting box 4, two ends of the rotating shaft 18 are respectively and fixedly connected with inner rings of the two first bearings, one ends of the two torsion springs 21 are respectively connected with two ends of the rotating shaft 18, the other ends of the two torsion springs 21 are respectively connected with the inner wall of the main body 1 and the collecting box 4, the rotating wheel 19 is fixed on the rotating shaft 18, one end of each knocking rod 20 is circumferentially and uniformly fixed on the periphery of the rotating wheel 19, the other end of each knocking rod 20 abuts against the lower part of the screen 3, a small hole is formed in the side of the main body 1 far away from the collecting box 4, and one end of the rotating shaft 18 far away from, the end of the rotating shaft 18 far away from the collecting box 4 is connected with a connecting component, and the connecting component is connected with the connecting plate 12.

When connecting plate 12 reciprocated, drive coupling assembling work, make runner 19 rotate, thereby strike pole 20 intermittent type through knocking the work of strikeing screen cloth 3, make screen cloth 3 shake, thereby be convenient for the plastics after smashing fall to the inside at main part 1 through screen cloth 3, also can make still great plastics after smashing shake to collect in the box 4, thereby avoid the great plastics of volume to block up screen cloth 3, influence the plastics that the collection accords with the specification, thereby improve equipment's reliability.

Preferably, in order to realize the crushing function, the crushing mechanism comprises a motor 6, a driving shaft 7, a second bearing and a crushing disc 8, wherein the motor 6 and the second bearing are respectively and fixedly connected with the inner walls of the two sides of the main body 1, the motor 6 is in transmission connection with one end of the driving shaft 7, the other end of the driving shaft 7 is fixedly connected with the inner ring of the second bearing, the crushing disc 8 is fixed on the driving shaft 7, sawteeth are uniformly arranged on the periphery of the crushing disc 8 in the circumferential direction, and the motor 6 is electrically connected with the PLC.

As shown in fig. 3, the reciprocating assembly further comprises a half gear 9, a reciprocating frame 10 and a support rod 11, the half gear 9 is fixedly connected with the driving shaft 7, the half gear 9 is arranged inside the reciprocating frame 10, convex teeth are uniformly fixed on the inner walls of two sides of the reciprocating frame 10, the half gear 9 is meshed with the convex teeth, one end of the support rod 11 is fixedly connected with the upper portion of the reciprocating frame 10, and the other end of the support rod 11 penetrates through a small hole and is fixedly connected with the connecting plate 12.

When the plastic crushing machine is used for crushing, the motor 6 is controlled to be started to drive the driving shaft 7 to rotate, the crushing disc 8 is made to rotate, so that the plastic is crushed through the saw teeth, then the sieve mesh 3 is screened, the plastic which meets the specification falls on the bottom in the main body 1, and the plastic which does not meet the specification is kept above the sieve mesh 3, so that the function of crushing the plastic is realized, when the driving shaft 7 rotates, the half gear 9 is driven to rotate, the reciprocating frame 10 is driven to move up and down through the engagement of the half gear 9 and the convex teeth, the connecting plate 12 is driven to move up and down through the supporting rod 11, the pressing plate 14 is driven to move up and down through the connecting rod 13, when the pressing plate 14 moves down, the plastic blocked in the feeding pipe 5 can be pressed into the main body 1, so that the blockage of the feeding pipe 5 caused by the excessive plastic is avoided, so that the plastic is pushed into the main, thereby improving the safety and reliability of the equipment.

Preferably, in order to smoothly move the reciprocation frame 10, the half gear 9 is coated with grease, so that a frictional force between the half gear 9 and the convex teeth is reduced, thereby further stabilizing the reciprocation frame 10 when moving up and down.

As shown in fig. 4, the pushing mechanism further comprises two limiting assemblies, the limiting assemblies are in one-to-one correspondence with the supporting rods 11, each limiting assembly comprises two limiting rods 22, two grooves are formed in the supporting rods 11, the limiting rods 22 are in one-to-one correspondence with the grooves, the two limiting rods 22 are symmetrically arranged about the axis of the through hole, one end of each limiting rod 22 is fixedly connected with the inner wall of the through hole, the other end of each limiting rod 22 is arranged inside the corresponding groove, and the other end of each limiting rod 22 is connected with the corresponding groove in a sliding mode.

When branch 11 reciprocates along the through-hole, because gag lever post 22 inlays in the recess for branch 11 can not take place to rotate when reciprocating, thereby make reciprocating frame 10 more stable when reciprocating, avoid reciprocating frame 10 slope, influence the meshing of dogtooth and semi-gear 9.

Preferably, in order to drive the rotating shaft 18 to rotate, the connecting assembly comprises a pulling wire 15 and a rotating disc 16, the rotating disc 16 is fixedly connected with one end of the rotating shaft 18, which is far away from the collecting box 4, one end of the pulling wire 15 is fixedly connected with the lower part of the connecting plate 12, and the other end of the pulling wire 15 is wound on the rotating disc 16.

When connecting plate 12 rebound, drive carousel 16 through act as go-between 15 and rotate, make pivot 18 rotate, make torsion spring 21 take place deformation, thereby make runner 19 rotate, when connecting plate 12 rebound, through torsion spring 21's restoring force, make pivot 18 antiport, thereby tighten up act as go-between 15 through turntable 16's antiport, thereby make runner 19 can reciprocal round trip rotation, thereby make strike pole 20 intermittent type to the below of screen cloth 3 and strike work, make screen cloth 3 shake, thereby be convenient for the plastics after smashing fall to the inside at main part 1 through screen cloth 3, also can make still great plastics after smashing shake off to collecting box 4 in, thereby avoid the great plastics of volume to block up screen cloth 3, influence the plastics that the collection accords with the specification, thereby improve equipment's reliability.

Preferably, in order to change the direction of the pulling wire 15, the connecting assembly further comprises two fixed pulleys 17, wherein one fixed pulley 17 is fixed above the main body 1, the other fixed pulley 17 is fixed on one side of the main body 1 close to the rotating disc 16, and one end of the pulling wire 15 far away from the rotating disc 16 sequentially passes through the two fixed pulleys 17 to be fixedly connected with the lower part of the connecting plate 12.

Through setting up fixed pulley 17, can change the direction of acting as go-between 15 for connecting plate 12 reciprocates, can drive carousel 16 and rotate.

Preferably, in order to prolong the service life of the stay 15, the stay 15 is made of nylon.

Preferably, the pressing plate 14 is conical in shape to facilitate blanking.

By setting the shape of the pressing plate 14 to be conical, the plastic is not easy to fall on the pressing plate 14, so that the plastic does not block falling when the pressing plate 14 moves up and down.

Preferably, the motor 6 is a servo motor in order to make the motor 6 work accurately and stably.

When the plastic crushing machine is used for crushing, the motor 6 is controlled to be started to drive the driving shaft 7 to rotate, the crushing disc 8 is made to rotate, so that the plastic is crushed through the saw teeth, then the sieve mesh 3 is screened, the plastic which meets the specification falls on the bottom in the main body 1, and the plastic which does not meet the specification is kept above the sieve mesh 3, so that the function of crushing the plastic is realized, when the driving shaft 7 rotates, the half gear 9 is driven to rotate, the reciprocating frame 10 is driven to move up and down through the engagement of the half gear 9 and the convex teeth, the connecting plate 12 is driven to move up and down through the supporting rod 11, the pressing plate 14 is driven to move up and down through the connecting rod 13, when the pressing plate 14 moves down, the plastic blocked in the feeding pipe 5 can be pressed into the main body 1, so that the blockage of the feeding pipe 5 caused by the excessive plastic is avoided, so that the plastic is pushed into the main, thereby improving the safety and reliability of the equipment, when the connecting plate 12 moves upwards, the pull wire 15 drives the turntable 16 to rotate, the rotating shaft 18 rotates, the torsion spring 21 deforms, thereby rotating the rotary wheel 19, and when the link plate 12 is moved downward, the rotary shaft 18 is reversely rotated by the restoring force of the torsion spring 21, thereby, the pulling wire 15 is tightened by the reverse rotation of the rotating disc 16, so that the rotating wheel 19 can be reciprocally rotated back and forth, so that the knocking rod 20 intermittently performs a knocking work on the lower side of the mesh 3, so that the mesh 3 is shaken, thereby facilitating the crushed plastic to fall through the screen 3 to the inside of the main body 1, and also enabling the still larger crushed plastic to be shaken off into the collecting box 4, thereby avoiding the bigger plastics of volume to block up screen cloth 3, the plastics that the influence is collected and is accorded with the specification to improve equipment's reliability.

Compared with the prior art, the plastic crushing system with the anti-blocking function and high reliability can press the plastic blocked in the feeding pipe 5 into the main body 1 through the material pushing mechanism, so that the situation that the feeding pipe 5 is blocked due to too much plastic is avoided, the plastic is pushed into the main body 1 without manual pushing and pressing, the probability that workers contact with sawteeth is reduced, the safety and reliability of equipment are improved, the screen 3 is knocked through the knocking mechanism, the screen 3 is shaken, the smashed plastic is convenient to fall into the main body 1 through the screen 3, the still larger plastic after smashing can be shaken into the collection box 4, the situation that the screen 3 is blocked by the larger plastic, the collection of the plastic meeting the specification is influenced is avoided, the reliability of the equipment is improved, compared with the existing knocking mechanism, the knocking mechanism and the material pushing mechanism are an integrated linkage mechanism, the practicality is higher.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a broken system of plastics that reliability is high with prevent blockking up function, includes breaker, breaker includes main part (1), inlet pipe (5), screen cloth (3), collects box (4) and two rubbing crusher construct, rubbing crusher constructs the inside that sets up in main part (1), inlet pipe (5) set up the top in main part (1), inlet pipe (5) and main part (1) intercommunication, collect the bottom in box (4) are fixed in main part (1), screen cloth (3) slope sets up the inside in main part (1), one side and the collection box (4) fixed connection of screen cloth (3), the inner wall fixed connection of one side of keeping away from collection box (4) of the opposite side and main part (1) of screen cloth (3), the height that is close to one side of collecting box (4) of screen cloth (3) is less than the opposite side of screen cloth (3), the automatic feeding device is characterized by further comprising a material pushing mechanism and a knocking mechanism, wherein the material pushing mechanism is arranged above the main body (1), the material pushing mechanism is connected with the crushing mechanism, the knocking mechanism is arranged below the screen (3), and the knocking mechanism is connected with the material pushing mechanism;

the pushing mechanism comprises a connecting plate (12), a connecting rod (13), a pressing plate (14) and two reciprocating components, the reciprocating components correspond to the crushing mechanisms one by one, the reciprocating components are connected with the crushing mechanisms, two through holes are formed in the upper portion of the main body (1), the through holes correspond to the reciprocating components one by one, two ends of the connecting plate (12) are respectively connected with the two reciprocating components, one end of the connecting rod (13) is fixedly connected with the lower portion of the connecting plate (12), the other end of the connecting rod (13) is fixedly connected with the pressing plate (14), the pressing plate (14) is arranged inside the feeding pipe (5), and the connecting plate (12) is connected with the knocking mechanism;

the knocking mechanism comprises a connecting assembly, a rotating shaft (18), a rotating wheel (19), two first bearings, two torsion springs (21) and a plurality of knocking rods (20), wherein the two first bearings are fixedly connected with the inner wall of one side, far away from the collecting box (4), of the main body (1) and the collecting box (4), the two ends of the rotating shaft (18) are fixedly connected with the inner rings of the two first bearings respectively, one ends of the two torsion springs (21) are connected with the two ends of the rotating shaft (18) respectively, the other ends of the two torsion springs (21) are connected with the inner wall of the main body (1) and the collecting box (4) respectively, the rotating wheel (19) is fixed on the rotating shaft (18), one end of each knocking rod (20) is circumferentially and uniformly fixed on the periphery of the rotating wheel (19), the other end of each knocking rod (20) abuts against the lower portion of the screen (3), one side, far away from the collecting box (4), of the main body (1) is provided with, the one end of keeping away from of pivot (18) and collecting box (4) passes the aperture setting in the outside of main part (1), the one end of keeping away from of pivot (18) and collecting box (4) is connected with coupling assembling, coupling assembling is connected with connecting plate (12).

2. The plastic crushing system with the anti-blocking function and high reliability as claimed in claim 1, wherein the crushing mechanism comprises a motor (6), a driving shaft (7), a second bearing and a crushing disc (8), the motor (6) and the second bearing are respectively fixedly connected with the inner walls of the two sides of the main body (1), the motor (6) is in transmission connection with one end of the driving shaft (7), the other end of the driving shaft (7) is fixedly connected with the inner ring of the second bearing, the crushing disc (8) is fixed on the driving shaft (7), saw teeth are uniformly arranged on the periphery of the crushing disc (8) in the circumferential direction, and the motor (6) is electrically connected with the PLC.

3. The plastic crushing system with the anti-blocking function and high reliability as claimed in claim 1, wherein the reciprocating assembly further comprises a half gear (9), a reciprocating frame (10) and a support rod (11), the half gear (9) is fixedly connected with the driving shaft (7), the half gear (9) is arranged inside the reciprocating frame (10), convex teeth are uniformly fixed on the inner walls of two sides of the reciprocating frame (10), the half gear (9) is meshed with the convex teeth, one end of the support rod (11) is fixedly connected with the upper part of the reciprocating frame (10), and the other end of the support rod (11) passes through a small hole to be fixedly connected with the connecting plate (12).

4. 3-anti-clogging reliable plastic breaking system according to claim 3, characterized in that said half-gear (9) is coated with grease.

5. The plastic crushing system with the anti-blocking function and the high reliability as claimed in claim 4, wherein the pushing mechanism further comprises two limiting assemblies, the limiting assemblies correspond to the supporting rods (11) one by one, the limiting assemblies comprise two limiting rods (22), two grooves are formed in the supporting rods (11), the limiting rods (22) correspond to the grooves one by one, the two limiting rods (22) are symmetrically arranged about the axis of the through hole, one end of each limiting rod (22) is fixedly connected with the inner wall of the through hole, the other end of each limiting rod (22) is arranged inside the corresponding groove, and the other end of each limiting rod (22) is connected with the corresponding groove in a sliding manner.

6. The highly reliable plastic fragmentation system with anti-clogging function according to claim 1, characterized in that the connection assembly comprises a pull wire (15) and a rotary disc (16), the rotary disc (16) is fixedly connected with the end of the rotary shaft (18) far away from the collection box (4), one end of the pull wire (15) is fixedly connected with the lower part of the connecting plate (12), and the other end of the pull wire (15) is wound on the rotary disc (16).

7. The plastic crushing system with the anti-blocking function and high reliability as claimed in claim 6, wherein the connecting assembly further comprises two fixed pulleys (17), one fixed pulley (17) is fixed above the main body (1), the other fixed pulley (17) is fixed on one side of the main body (1) close to the rotating disc (16), and one end of the pull wire (15) far away from the rotating disc (16) sequentially bypasses the two fixed pulleys (17) to be fixedly connected with the lower part of the connecting plate (12).

8. The highly reliable plastic fragmentation system with anti-jamming capability according to claim 7, characterized in that the pull wire (15) is made of nylon.

9. The highly reliable plastic fragmentation system with anti-jamming capability of claim 1, in which the platen (14) is conical in shape.

10. The highly reliable plastic fragmentation system with anti-jamming capability according to claim 2, characterized in that the motor (6) is a servo motor.