CN111361125A

CN111361125A - A extrusion equipment that is used for smashing function that has of plastic products production and processing

Info

Publication number: CN111361125A
Application number: CN202010216584.1A
Authority: CN
Inventors: 武桂英
Original assignee: Shenzhen Wancheng Technology Co ltd
Current assignee: Shenzhen Wancheng Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-07-03

Abstract

The invention relates to an extrusion device with a crushing function for producing and processing plastic products, which comprises a machine barrel, a screw, a driving motor, a feeding pipe and a discharging pipe, the machine barrel is horizontally arranged, the screw is arranged in the machine barrel and matched with the emergency stop, the driving motor is fixed at one end of the machine barrel and is in transmission connection with one end of the screw, the feeding pipe is arranged at the top of the machine barrel, the discharging pipe is arranged at the bottom of the machine barrel, a heating device is arranged on the machine barrel, a crushing mechanism and an auxiliary mechanism are arranged in the machine barrel, this an extrusion equipment for plastic products production and processing with shredding function has realized reducing the function of impurity volume in the raw materials through rubbing crusher structure, avoids the impurity volume too big and leads to the finished product to scrap, moreover, has still reduced the volume of bubble in the raw materials through complementary unit, avoids the bubble volume too big and leads to the finished product to scrap.

Description

A extrusion equipment that is used for smashing function that has of plastic products production and processing

Technical Field

The invention relates to the field of plastic extruders, in particular to an extrusion device with a crushing function for producing and processing plastic products.

Background

The extrusion principle of the plastic extruder is as follows: in the extrusion processing process of the plastic, the plastic raw material in the machine barrel is pushed to move to the discharge port of the machine barrel by means of the rotation motion of the screw of the extruder, and the plastic is plasticized and output and finally cooled and molded.

In the operation process of the existing plastic extruder, when large-particle impurities exist in raw materials, convex points can be generated on a finished product, the quality of the finished product is influenced, air in the raw materials is difficult to completely remove, when bubbles formed by the air are too large, pits can be generated on the finished product, and when the size of each pit is larger than the inspection standard, the finished product can be scrapped.

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 extrusion equipment with the crushing function is provided for producing and processing the plastic products.

The technical scheme adopted by the invention for solving the technical problems is as follows: the extrusion equipment with the crushing function for producing and processing the plastic products comprises a machine barrel, a screw rod, a driving motor, a feeding pipe and a discharging pipe, wherein the machine barrel is horizontally arranged, the screw rod is arranged in the machine barrel and matched with emergency stop, the driving motor is fixed at one end of the machine barrel and is in transmission connection with one end of the screw rod, the feeding pipe is arranged at the top of the machine barrel, the discharging pipe is arranged at the bottom of the machine barrel, a heating device is arranged on the machine barrel, and a crushing mechanism and an auxiliary mechanism are arranged in the machine barrel;

the crushing mechanism comprises a rotating disc, a moving disc and a moving assembly, wherein the rotating disc and the moving disc are coaxially arranged with a machine barrel, the diameter of the moving disc is equal to the inner diameter of the machine barrel, the rotating disc is in a round table shape, the maximum diameter of the rotating disc is smaller than the inner diameter of the machine barrel, one end of the rotating disc with the maximum diameter is fixed at one end of a screw rod, which is far away from a driving motor, the moving disc is arranged at one side of the rotating disc, which is far away from the screw rod, and a gap is arranged between the moving disc and the rotating disc, the moving disc and the inner wall of the machine barrel are in sliding and sealing connection, the rotating disc and the moving disc are both arranged between a discharging pipe and the screw rod, at least three through holes are arranged on the moving disc, the through holes are circumferentially and uniformly distributed by taking the axis of the machine barrel as a center, the moving assembly is arranged at one end of the machine barrel, which is far away from the driving motor, and drives the moving disc to move along the axial direction of the machine barrel;

the auxiliary mechanism comprises a transmission shaft, a transmission disc, an auxiliary rod and two transmission assemblies, wherein the moving disc is provided with a mounting hole, the transmission shaft and the transmission disc are coaxially arranged with the machine barrel, the transmission shaft penetrates through the mounting hole, the inner wall of the transmission shaft and the mounting hole is in sliding and sealing connection, one end of the transmission shaft is fixed on one side, far away from the screw rod, of the rotating disc, the transmission disc is installed at the other end of the transmission shaft, the axis of the auxiliary rod is perpendicular to and intersected with the axis of the transmission shaft, the auxiliary rod is located between the moving disc and the transmission disc and provided with a gap with the transmission disc, the middle end of the auxiliary rod is provided with an assembly hole, the transmission shaft penetrates through the assembly hole, the transmission shaft is in sliding connection with the inner wall of the assembly hole, the transmission assemblies are circumferentially and uniformly distributed between the transmission disc and the auxiliary rod by taking the axis of the machine barrel as a center, the distance between the two ends of the auxiliary rod is larger than the minimum diameter of the rotating disc.

Preferably, in order to realize the rotation and the movement of the auxiliary rod, the transmission assembly comprises a transmission rod, a spring and an auxiliary hole, the auxiliary hole is formed in the transmission disc, the transmission rod is parallel to the transmission shaft, the transmission rod penetrates through the auxiliary hole and is in sliding connection with the inner wall of the auxiliary hole, one end of the transmission rod is fixed on the auxiliary rod, the spring is located between the auxiliary rod and the transmission disc, the auxiliary rod is connected with the transmission disc through the spring, and the spring is in a compressed state.

Preferably, in order to realize the movement of the moving disc, the moving assembly comprises a power unit, a screw rod, a push plate, a bearing and at least two push rods, the screw rod is coaxially arranged with the machine barrel, the push plate is perpendicular to the screw rod, the push rod is parallel to the screw rod, the inner ring of the bearing is arranged at one end, close to the driving motor, of the screw rod, the outer ring of the bearing is fixedly connected with the machine barrel, a connecting hole is formed in the push plate, an inner thread is formed in the inner wall of the connecting hole, an outer thread is formed in the screw rod, the inner thread is matched with the outer thread, the push plate is in threaded connection with the screw rod, at least through holes are formed in one end, far away from the driving motor, of the machine barrel, the through holes are circumferentially and uniformly distributed by taking the axis, one end of the push rod is fixed on the movable disc, the other end of the push rod is fixed on the push plate, and the power unit is arranged at one end, far away from the bearing, of the screw rod and is in transmission connection with the screw rod.

Preferably, in order to drive the screw rod to rotate, the power unit comprises a driving disk, a driven disk, at least two connecting rods and at least two limiting blocks, wherein the driving disk and the driven disk are coaxially arranged, the driven disk is arranged on the screw rod, the driving disk is attached to one side of the driven disk, which is far away from the screw rod, at least two guide holes are arranged on the driven disk, the guide holes are circumferentially and uniformly distributed by taking the axis of the screw rod as the center, the connecting rods are parallel to the screw rod, the connecting rods and the limiting blocks are in one-to-one correspondence with the guide holes, the connecting rods penetrate through the guide holes and are in sliding connection with the inner walls of the guide holes, one end of the connecting rods, which is far away from the driving motor, is fixed on the driving disk, the limiting blocks are positioned between the driven, the axis that the locking hole used the lead screw is central circumference evenly distributed, the quantity in locking hole is the even number, the aperture in locking hole equals with the diameter of connecting rod, the connecting rod pass one of them locking hole and with the inner wall sliding connection in locking hole, the distance of keeping away from between driving motor one side of one end and the push pedal of being close to driving motor of connecting rod is less than the distance between stopper and the driven plate.

Preferably, in order to facilitate the installation of the connecting rod, chamfers are arranged at both ends of the connecting rod.

Preferably, the connecting rod is coated with a lubricating oil in order to reduce the frictional force between the connecting rod and the inner wall of the guide hole.

Preferably, in order to realize buffering and vibration reduction, the limiting block is made of rubber.

Preferably, in order to increase the friction between the hand of the user and the driving disc, the driving disc is provided with anti-slip lines.

Preferably, the drive motor is a servo motor in order to increase the drive force of the drive motor.

Preferably, in order to prolong the service life of the cylinder, the cylinder is provided with an anti-corrosion zinc coating.

The extruding equipment with the crushing function for producing and processing the plastic products has the advantages that the crushing mechanism achieves the function of reducing the volume of impurities in raw materials, and avoids finished product scrapping caused by overlarge volume of the impurities.

Drawings

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

FIG. 1 is a schematic structural diagram of an extrusion apparatus with a pulverizing function for plastic product production processing of the present invention;

FIG. 2 is a schematic structural diagram of a crushing mechanism of the extruding device with a crushing function for plastic product production and processing of the invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural diagram of a moving assembly of the extrusion equipment with a shredding function for plastic product production processing of the present invention;

in the figure: 1. the automatic feeding device comprises a machine barrel, 2. a screw rod, 3. a driving motor, 4. a feeding pipe, 5. a discharging pipe, 6. a rotating disc, 7. a moving disc, 8. a transmission shaft, 9. a transmission disc, 10. an auxiliary rod, 11. a transmission rod, 12. a spring, 13. a screw rod, 14. a push plate, 15. a bearing, 16. a push rod, 17. a driving disc, 18. a driven disc, 19. a connecting rod and 20. a limiting block.

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. 1-2, an extrusion device with a pulverizing function for plastic production and processing comprises a barrel 1, a screw 2, a driving motor 3, a feeding pipe 4 and a discharging pipe 5, wherein the barrel 1 is horizontally arranged, the screw 2 is arranged in the barrel 1 and matched with an emergency stop, the driving motor 3 is fixed at one end of the barrel 1 and is in transmission connection with one end of the screw 2, the feeding pipe 4 is arranged at the top of the barrel 1, the discharging pipe 5 is arranged at the bottom of the barrel 1, a heating device is arranged on the barrel 1, and a pulverizing mechanism and an auxiliary mechanism are arranged in the barrel 1;

the crushing mechanism comprises a rotating disc 6, a moving disc 7 and a moving assembly, wherein the rotating disc 6 and the moving disc 7 are coaxially arranged on a machine barrel 1, the diameter of the moving disc 7 is equal to the inner diameter of the machine barrel 1, the rotating disc 6 is in a round table shape, the maximum diameter of the rotating disc 6 is smaller than the inner diameter of the machine barrel 1, one end of the maximum diameter of the rotating disc 6 is fixed at one end, far away from a driving motor 3, of a screw rod 2, the moving disc 7 is arranged on one side, far away from the screw rod 2, of the rotating disc 6 and is in clearance with the rotating disc 6, the moving disc 7 is in sliding and sealing connection with the inner wall of the machine barrel 1, the rotating disc 6 and the moving disc 7 are both located between a discharging pipe 5 and the screw rod 2, at least three through holes are formed in the moving disc 7, the through holes are uniformly distributed in the circumferential direction by taking the axis of the machine barrel 1 as the center, 2 times of the distance between the inner wall, the moving assembly is arranged at one end of the machine barrel 1 far away from the driving motor 3 and drives the moving disc 7 to move along the axial direction of the machine barrel 1;

the auxiliary mechanism comprises a transmission shaft 8, a transmission disc 9, an auxiliary rod 10 and two transmission assemblies, wherein a mounting hole is formed in the moving disc 7, the transmission shaft 8 and the transmission disc 9 are coaxially arranged with the machine barrel 1, the transmission shaft 8 penetrates through the mounting hole, the transmission shaft 8 is in sliding and sealing connection with the inner wall of the mounting hole, one end of the transmission shaft 8 is fixed on one side, away from the screw rod 2, of the rotating disc 6, the transmission disc 9 is installed at the other end of the transmission shaft 8, the axis of the auxiliary rod 10 is perpendicular to and intersected with the axis of the transmission shaft 8, the auxiliary rod 10 is positioned between the moving disc 7 and the transmission disc 9 and is provided with a gap with the transmission disc 9, an assembly hole is formed in the middle end of the auxiliary rod 10, the transmission shaft 8 penetrates through the assembly hole, the transmission shaft 8 is in sliding connection with the inner wall of the assembly hole, and the transmission assemblies are circumferentially and uniformly distributed between the transmission disc, the transmission assembly drives the auxiliary rod 10 to move along the axis of the barrel 1 in the direction close to the moving disk 7, and the distance between the two ends of the auxiliary rod 10 is greater than the minimum diameter of the rotating disk 6.

The raw materials are conveyed into a machine barrel 1 from a feeding pipe, the raw materials are heated and plasticized through a heating device, a screw rod 2 is rotated through a driving motor 3, so that the heated raw materials can be extruded, stirred and conveyed through the screw rod 2, here, the distance between a movable disk 7 and a rotary disk 6 can be adjusted through a moving assembly, impurities are clamped between the rotary disk 6 and the movable disk 7 through the movement of the raw materials, the rotary disk 6 is driven to rotate by the rotation of the screw rod 2, the impurities are rubbed and reduced in size through the rotation of the rotary disk 6, here, the rotary disk 6 is shaped into a circular truncated cone, the impurities can be clamped conveniently, the impurities with reduced size can be discharged from a through hole and a discharge pipe 5, meanwhile, the rotary disk 6 rotates to drive a transmission disk 9 to rotate through a transmission shaft 8, the rotation of the transmission disk 9 drives an auxiliary rod 10 to rotate through the transmission assembly, can realize cuting the bubble in the raw materials through the rotation of auxiliary rod 10 to can reduce the bubble, avoid the bubble too big and lead to the finished product to scrap.

As shown in fig. 3, the driving assembly includes a driving rod 11, a spring 12 and an auxiliary hole, the auxiliary hole is disposed on the driving plate 9, the driving rod 11 is parallel to the driving shaft 8, the driving rod 11 passes through the auxiliary hole and is slidably connected to an inner wall of the auxiliary hole, one end of the driving rod 11 is fixed on the auxiliary rod 10, the spring 12 is located between the auxiliary rod 10 and the driving plate 9, the auxiliary rod 10 is connected to the driving plate 9 through the spring 12, and the spring 12 is in a compressed state.

The rotation of the driving plate 9 drives the auxiliary rod 10 to realize synchronous rotation through the driving rod 11, and when the moving assembly drives the moving plate 7 to move along the axis of the machine barrel 1 towards the direction far away from the driving motor 3, the moving plate 7 is enabled to push the auxiliary rod 10 to realize synchronous movement, the moving of the auxiliary rod 10 drives the driving rod 11 to move, and the spring 12 is enabled to continue to compress, when the moving plate 7 moves towards the direction close to the driving motor 3, the auxiliary rod 10 moves towards the direction close to the driving motor 3 through the elastic action of the spring 12, and the auxiliary rod 10 is enabled to be always abutted against the moving plate 7.

As shown in fig. 4, the moving assembly includes a power unit, a screw rod 13, a push plate 14, a bearing 15 and at least two push rods 16, the screw rod 13 is coaxially disposed with the cylinder 1, the push plate 14 is perpendicular to the screw rod 13, the push rod 16 is parallel to the screw rod 13, an inner ring of the bearing 15 is mounted at one end of the screw rod 13 close to the driving motor 3, an outer ring of the bearing 15 is fixedly connected with the cylinder 1, a connecting hole is disposed on the push plate 14, an inner wall of the connecting hole is provided with an internal thread, the screw rod 13 is provided with an external thread, the internal thread is matched with the external thread, the push plate 14 is in threaded connection with the screw rod 13, one end of the cylinder 1 far away from the driving motor 3 is provided with at least a through hole, the through holes are circumferentially and uniformly distributed with an axis of the cylinder 1 as a center, the push rods 16 are, one end of the push rod 16 is fixed on the moving disc 7, the other end of the push rod 16 is fixed on the push plate 14, and the power unit is arranged at one end of the screw rod 13 far away from the bearing 15 and is in transmission connection with the screw rod 13.

The screw rod 13 is rotated under the supporting action of the bearing 15 through the power unit, the rotation of the screw rod 13 drives the push plate 14 to move on the screw rod 13, and the movement of the push plate 14 drives the moving disc 7 to realize synchronous movement through the push rod 16.

Preferably, in order to drive the screw rod 13 to rotate, the power unit comprises a driving disk 17, a driven disk 18, at least two connecting rods 19 and at least two limiting blocks 20, wherein the driving disk 17 and the driven disk 18 are coaxially arranged with the screw rod 13, the driven disk 18 is installed on the screw rod 13, the driving disk 17 is attached to one side of the driven disk 18 far away from the screw rod 13, at least two guide holes are arranged on the driven disk 18, the guide holes are circumferentially and uniformly distributed by taking the axis of the screw rod 13 as the center, the connecting rods 19 are parallel to the screw rod 13, the connecting rods 19 and the limiting blocks 20 are respectively in one-to-one correspondence with the guide holes, the connecting rods 19 penetrate through the guide holes and are in sliding connection with the inner walls of the guide holes, one end of the connecting rods 19 far away from the driving motor 3 is fixed on the driving disk 17, the limiting blocks 20 are positioned between the, be equipped with two at least locking holes on the push pedal 14, the axis that the locking hole used lead screw 13 is central circumference evenly distributed, the quantity in locking hole is the even number, the aperture in locking hole equals with the diameter of connecting rod 19, connecting rod 19 pass one of them locking hole and with the inner wall sliding connection in locking hole, the distance between the one side of keeping away from driving motor 3 of the one end that is close to driving motor 3 of connecting rod 19 and push pedal 14 is less than the distance between stopper 20 and the driven plate 18.

When the movable disc 7 needs to move, the user pushes the driving disc 17 to move towards the direction far away from the driven disc 18, the driving disc 17 moves to drive the connecting rod 19 to be separated from the locking rod, then, the user rotates the driving disc 17, the driving disc 17 rotates to drive the driven disc 18 to rotate through the connecting rod 19, the driven disc 18 rotates to drive the lead screw 13 to rotate, after the movable disc 7 finishes moving, the user pushes the driving disc 17 to be attached to the driven disc 18, so that the connecting rod 19 is inserted into the locking hole, the function of locking the driving disc 17 can be realized, and the movable disc 7 is prevented from moving due to the thrust of raw materials.

Preferably, to facilitate the installation of the connecting rod 19, both ends of the connecting rod 19 are chamfered.

The chamfer has the effect of reducing the caliber of the connecting rod 19 when the connecting rod passes through the guide hole and the locking hole, and facilitating installation.

Preferably, the connecting rod 19 is coated with a lubricating oil in order to reduce the frictional force between the connecting rod 19 and the inner wall of the guide hole.

The lubricating oil has the function of reducing the friction force between the connecting rod 19 and the inner wall of the guide hole, and the moving fluency of the connecting rod 19 is improved.

Preferably, in order to achieve buffering and vibration reduction, the limiting block 20 is made of rubber.

The rubber texture is softer, and the impact force generated when the limiting block 20 abuts against the driven disc 18 can be reduced, so that buffering and vibration reduction are realized.

Preferably, the driving plate 17 is provided with anti-slip threads in order to increase the friction between the user's hand and the driving plate 17.

The anti-slip threads are used for improving the friction between the hand of the user and the driving disk 17 and avoiding slipping.

Preferably, the driving motor 3 is a servo motor in order to increase the driving force of the driving motor 3.

The driving motor 3 has a characteristic of strong overload capability, so that the driving force of the driving motor 3 can be improved.

Preferably, in order to prolong the service life of the cylinder 1, the cylinder 1 is provided with an anti-corrosion zinc coating.

The function of anticorrosive galvanizing coat is to promote the rust-resistant ability of barrel 1, prolongs the life of barrel 1.

The raw materials are conveyed into a machine barrel 1 from a feeding pipe, the raw materials are heated and plasticized through a heating device, a screw 2 is rotated through a driving motor 3, so that the heated raw materials can be extruded, stirred and conveyed through the screw 2, a user pushes a driving disc 17 to move towards the direction far away from a driven disc 18, the driving disc 17 moves to drive a connecting rod 19 to be separated from a locking rod, then the user rotates the driving disc 17, the driving disc 17 rotates to drive the driven disc 18 to rotate through the connecting rod 19, the driven disc 18 rotates to drive a screw rod 13 to rotate under the supporting action of a bearing 15, the screw rod 13 rotates to drive a push plate 14 to move on the screw rod 13, the push plate 14 moves to drive a moving disc 7 to synchronously move through a push rod 16, the distance between the moving disc 7 and the rotating disc 6 can be adjusted, impurities are clamped between the rotating disc 6 and the moving disc 7 through the movement of the, the rotation of the screw rod 2 drives the rotating disc 6 to rotate, impurities are rubbed and reduced in volume through the rotation of the rotating disc 6, the rotating disc 6 is shaped into a circular truncated cone, the impurities can be conveniently clamped, the impurities with reduced volume can be discharged from the through hole and discharged from the discharge pipe 5, meanwhile, the rotating disc 6 drives the transmission disc 9 to rotate through the transmission shaft 8, the transmission disc 9 rotates to drive the auxiliary rod 10 to rotate through the transmission rod 11, the movable disc 7 drives the auxiliary rod 10 to drive the transmission rod 11 to synchronously move when moving towards the direction far away from the driving motor 3, the spring 12 continues to be compressed, when the movable disc 7 moves towards the direction close to the driving motor 3, the auxiliary rod 10 moves towards the direction close to the driving motor 3 through the elastic action of the spring 12, the auxiliary rod 10 is always abutted against the movable disc 7, bubbles in the raw materials can be sheared through the rotation of the auxiliary rod 10, thereby reducing bubbles and avoiding finished product scrapping caused by overlarge bubbles.

Compared with the prior art, this an extrusion equipment for plastic products production and processing that has shredding function has realized reducing the function of impurity volume in the raw materials through rubbing crusher structure, avoid the impurity volume too big and lead to the finished product to scrap, compare with current rubbing crusher structure, this rubbing crusher structure is ingenious, the practicality is stronger, moreover, still reduced the volume of bubble in the raw materials through complementary unit, avoid the bubble volume too big and lead to the finished product to scrap, compare with current complementary unit, this complementary unit can further reduce the volume of bubble through adjusting the distance between movable plate 7 and rolling disc 6, the practicality is stronger.

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 extrusion equipment with the crushing function for producing and processing the plastic products comprises a machine barrel (1), a screw (2), a driving motor (3), a feeding pipe (4) and a discharging pipe (5), wherein the machine barrel (1) is horizontally arranged, the screw (2) is arranged in the machine barrel (1) and matched with an emergency stop, the driving motor (3) is fixed at one end of the machine barrel (1) and is in transmission connection with one end of the screw (2), the feeding pipe (4) is arranged at the top of the machine barrel (1), the discharging pipe (5) is arranged at the bottom of the machine barrel (1), and a heating device is arranged on the machine barrel (1), and the extrusion equipment is characterized in that a crushing mechanism and an auxiliary mechanism are arranged in the machine barrel (1);

the crushing mechanism comprises a rotating disc (6), a moving disc (7) and a moving assembly, wherein the rotating disc (6) and the moving disc (7) are coaxially arranged on a machine barrel (1), the diameter of the moving disc (7) is equal to the inner diameter of the machine barrel (1), the rotating disc (6) is in a round table shape, the maximum diameter of the rotating disc (6) is smaller than the inner diameter of the machine barrel (1), one end of the maximum diameter of the rotating disc (6) is fixed at one end, far away from a driving motor (3), of a screw rod (2), the moving disc (7) is arranged on one side, far away from the screw rod (2), of the rotating disc (6) and is provided with a gap between the rotating disc (6), the moving disc (7) is connected with the inner wall of the machine barrel (1) in a sliding and sealing mode, the rotating disc (6) and the moving disc (7) are both located between a discharging pipe (5) and the screw rod (2), and at least three through holes are formed in the moving, the through holes are circumferentially and uniformly distributed by taking the axis of the machine barrel (1) as a center, 2 times of the distance between the inner wall of one side of the through holes, which is far away from the machine barrel (1), and the axis of the machine barrel (1) is smaller than the minimum diameter of the rotating disc (6), and the moving assembly is arranged at one end, which is far away from the driving motor (3), of the machine barrel (1) and drives the moving disc (7) to move along the axial direction of the machine barrel (1);

the auxiliary mechanism comprises a transmission shaft (8), a transmission disc (9), an auxiliary rod (10) and two transmission assemblies, wherein a mounting hole is formed in the movable disc (7), the transmission shaft (8) and the transmission disc (9) are coaxially arranged with the machine barrel (1), the transmission shaft (8) penetrates through the mounting hole, the transmission shaft (8) is connected with the inner wall of the mounting hole in a sliding and sealing mode, one end of the transmission shaft (8) is fixed on one side, far away from the screw rod (2), of the rotating disc (6), the transmission disc (9) is installed at the other end of the transmission shaft (8), the axis of the auxiliary rod (10) is perpendicular to and intersected with the axis of the transmission shaft (8), the auxiliary rod (10) is located between the movable disc (7) and the transmission disc (9) and is provided with a gap between the transmission disc (9), the middle end of the auxiliary rod (10) is provided with an assembly hole, and the transmission shaft (8) penetrates through the assembly, the transmission shaft (8) is connected with the inner wall of the assembling hole in a sliding mode, the transmission assembly is circumferentially and uniformly distributed between the transmission disc (9) and the auxiliary rod (10) by taking the axis of the machine barrel (1) as a center, the transmission assembly drives the auxiliary rod (10) to move towards the direction close to the moving disc (7) along the axis of the machine barrel (1), and the distance between the two ends of the auxiliary rod (10) is larger than the minimum diameter of the rotating disc (6).

2. The extrusion apparatus with a shredding function for plastic production and processing as claimed in claim 1, characterized in that said transmission assembly comprises a transmission rod (11), a spring (12) and an auxiliary hole, said auxiliary hole being provided on the transmission disc (9), said transmission rod (11) being parallel to the transmission shaft (8), said transmission rod (11) passing through the auxiliary hole and being slidably connected with the inner wall of the auxiliary hole, one end of said transmission rod (11) being fixed on the auxiliary rod (10), said spring (12) being located between the auxiliary rod (10) and the transmission disc (9), said auxiliary rod (10) being connected with the transmission disc (9) through the spring (12), said spring (12) being in a compressed state.

3. The extrusion equipment with the crushing function for plastic product production and processing as claimed in claim 1, wherein the moving assembly comprises a power unit, a screw rod (13), a push plate (14), a bearing (15) and at least two push rods (16), the screw rod (13) is coaxially arranged with the machine barrel (1), the push plate (14) is perpendicular to the screw rod (13), the push rod (16) is parallel to the screw rod (13), the inner ring of the bearing (15) is arranged at one end of the screw rod (13) close to the driving motor (3), the outer ring of the bearing (15) is fixedly connected with the machine barrel (1), the push plate (14) is provided with a connecting hole, the inner wall of the connecting hole is provided with an internal thread, the screw rod (13) is provided with an external thread, the internal thread is matched with the external thread, and the push plate (14) is in threaded connection with the screw rod (13), the one end of keeping away from driving motor (3) of barrel (1) is equipped with at least through hole, the axis that the through hole used barrel (1) is central circumference evenly distributed, push rod (16) and through hole one-to-one, push rod (16) pass the through hole, push rod (16) slide and sealing connection with the inner wall of through hole, the one end of push rod (16) is fixed on removing dish (7), the other end of push rod (16) is fixed on push pedal (14), the power pack sets up the one end of keeping away from bearing (15) at lead screw (13) and is connected with lead screw (13) transmission.

4. The extrusion apparatus with a pulverizing function for plastic product production and processing as claimed in claim 3, wherein the power unit comprises a driving disk (17), a driven disk (18), at least two connecting rods (19) and at least two limiting blocks (20), the driving disk (17) and the driven disk (18) are coaxially arranged with the screw rod (13), the driven disk (18) is mounted on the screw rod (13), the driving disk (17) is attached to one side of the driven disk (18) far away from the screw rod (13), at least two guide holes are arranged on the driven disk (18), the guide holes are circumferentially and uniformly distributed by taking the axis of the screw rod (13) as the center, the connecting rods (19) are parallel to the screw rod (13), the connecting rods (19) and the limiting blocks (20) are in one-to-one correspondence with the guide holes, the connecting rods (19) pass through the guide holes and are slidably connected with the inner walls of the guide holes, one end of the connecting rod (19) far away from the driving motor (3) is fixed on the driving disc (17), the limiting block (20) is positioned between the driven disc (18) and the push plate (14) and is fixed on the connecting rod (19), a gap is arranged between the limiting block (20) and the driven disc (18), at least two locking holes are arranged on the push plate (14), the locking holes are uniformly distributed in the circumferential direction by taking the axis of the screw rod (13) as the center, the number of the locking holes is even, the diameter of the locking hole is equal to that of the connecting rod (19), the connecting rod (19) penetrates through one locking hole and is in sliding connection with the inner wall of the locking hole, the distance between one end of the connecting rod (19) close to the driving motor (3) and one side of the push plate (14) far away from the driving motor (3) is smaller than the distance between the limiting block (20) and the driven disc (18).

5. The extrusion equipment with a shredding function for plastic production and processing according to claim 4, characterized in that both ends of said connecting rod (19) are provided with chamfers.

6. The extrusion apparatus with shredding function for plastic production and processing according to claim 4, characterized in that said connecting rod (19) is coated with lubricating oil.

7. The extrusion equipment with the crushing function for plastic product production and processing as claimed in claim 4, wherein the material of the limiting block (20) is rubber.

8. The extrusion equipment with a shredding function for the production and processing of plastic products according to claim 4, characterized in that said driving disc (17) is provided with anti-slip threads.

9. The extrusion apparatus with shredding function for plastic production and processing according to claim 1, characterized in that said drive motor (3) is a servo motor.

10. The extrusion equipment with the crushing function for plastic product production and processing as claimed in claim 1, wherein the cylinder (1) is provided with an anti-corrosion zinc coating.