Plastic recycling pulverizer

Abstract

The invention discloses a plastic recycling pulverizer which comprises a device shell, a cleaning mechanism, a heat dissipation mechanism and a drying mechanism, the cleaning mechanism is used for removing sugar in a plastic bottle, a cutting part and an atomization part are arranged in the cleaning mechanism, and a second motor, a cutting blade, a first motor, a tension spring, a sliding seat and a feeding roller are arranged in the cutting part. An output shaft of the second motor is fixedly connected with the cutting blade, an output shaft of the first motor is fixedly connected with the feeding roller, when the first motor is started, the first motor enters the cutting part along with rotation of the feeding roller, and when the second motor is started, the cutting blade rotates to cut the plastic bottle. According to the plastic bottle crushing device, the cleaning mechanism is arranged, so that the problem that the crushing capacity is weakened due to the fact that sugar adheres to the crushing mechanism when a plastic bottle is crushed is solved, and during crushing, the cleaning mechanism firstly crushes and cleans the plastic bottle to further remove the sugar, so that the sugar is prevented from adhering to the crushing roller.

Description

Technical Field

[0001] This invention relates to the field of plastic recycling technology, and in particular to a plastic recycling crusher. Background Technology

[0002] Plastic recycling is the process of transforming waste plastic products into raw materials that can be reused to make new plastic products through collection, sorting, and processing, thereby reducing waste and resource waste.

[0003] Existing devices of this type have the problem that when recycling plastic bottles from sugary drinks, sugar tends to stick to the inside of the device. For example, the PET plastic bottle recycling and crushing device disclosed in Chinese Patent Publication No. CN119952883A involves a rotating crushing roller sleeve that drives the main crushing blades to crush the plastic bottle. However, in actual use, the plastic bottles from sugary drinks contain sugar, which adheres to the crushing mechanism during crushing. This causes some of the crushed plastic particles to stick to the main crushing blades, thus affecting and weakening the crushing ability of the blades. Therefore, this application proposes a plastic recycling shredder. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a plastic recycling crusher.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A plastic recycling crusher includes a housing, a cleaning mechanism, a heat dissipation mechanism, and a drying mechanism. The cleaning mechanism is used to remove sugar from plastic bottles and includes a cutting section and an atomizing section.

[0007] The cutting section is equipped with a second motor, a cutting blade, a first motor, a tension spring, a sliding seat, and a feeding roller. The output shaft of the second motor is fixedly connected to the cutting blade, and the output shaft of the first motor is fixedly connected to the feeding roller. When the first motor starts, it enters the cutting section along with the rotation of the feeding roller. When the second motor starts, the cutting blade rotates to cut the plastic bottle.

[0008] The atomizing section includes an atomizing box, an atomizing motor, a microporous plate, a first cam, a return spring, and a pressure plate. The output shaft of the atomizing motor is fixedly connected to the first cam, and the return spring is fixedly connected to the pressure plate. When the atomizing motor is started, the water on one side of the atomizing box is rapidly squeezed by the pressure plate to form atomized water through the microporous plate.

[0009] Preferably, the drying mechanism includes a draining section and an evaporation section. The draining section includes a drying motor, a draining filter screen, and a drying cam. The output shaft of the drying motor is fixedly connected to the drying cam. When the drying motor is turned on, the drying cam is driven to make the draining filter screen reciprocate up and down.

[0010] The evaporation section is equipped with a drying fan, an electric heating element, and a belt drive assembly. The belt drive assembly is driven by a drying motor. When the belt drive assembly is driven, the drying fan rotates to form an airflow for the electric heating element.

[0011] Preferably, the heat dissipation mechanism includes an air-cooling section and a liquid-cooling section. The air-cooling section includes a heat dissipation plate and an air pump. The air pump is connected to the heat dissipation plate. When the air pump is turned on, outside air enters the heat dissipation plate to form a large-area airflow, thereby dissipating heat.

[0012] The liquid cooling section includes a heat dissipation motor, a reciprocating lead screw, an atomizing nozzle, and an atomizing piston. The atomizing nozzle is mounted on the reciprocating lead screw, and the output shaft of the heat dissipation motor is fixedly connected to the reciprocating lead screw. The liquid cooling section is driven by the heat dissipation motor. When the heat dissipation motor is turned on, the atomizing nozzle moves back and forth to cover the atomized water inside the device to assist in heat dissipation.

[0013] Preferably, the device housing is provided with a cleaning box, the upper end of the cleaning box is provided with a limiting plate, the side wall of the device housing is provided with a separation cylinder, the side wall of the limiting plate is provided with a rack, and the device housing is also provided with a reversing gear.

[0014] Preferably, the limiting plate is opened by a separation cylinder. When the limiting plate is opened, the output shaft of the separation cylinder retracts to drive one of the racks to move, which in turn drives the reversing gear to rotate, thereby moving the two racks away from each other and thus opening the limiting plate.

[0015] Preferably, the front end of the cleaning box is provided with a closing plate, and the side wall of the device housing is also provided with a closing cylinder;

[0016] The output rod of the closing cylinder is fixedly connected to the closing plate. When the closing plate is opened, the output rod of the closing cylinder retracts to drive the closing plate to move upward, thereby realizing the opening of the closing plate.

[0017] Preferably, the tension spring pulls the sliding seat so that another feed roller presses against the plastic bottle body.

[0018] Preferably, the front end of the device housing is further provided with a crushing motor, and the output shaft of the crushing motor is provided with a crushing roller and a crushing gear, and the number of the crushing roller and the crushing gear is two.

[0019] The present invention has the following beneficial effects:

[0020] 1. By setting up a cleaning mechanism, this device avoids the problem of sugar adhering to the crushing mechanism when crushing plastic bottles, which weakens the crushing ability. During crushing, the cleaning mechanism will first crush and clean the plastic bottle to remove the sugar, thereby preventing the sugar from adhering to the crushing roller.

[0021] 2. By setting up a heat dissipation mechanism, this device avoids the plastic from sticking to the crushing roller due to heat. This prevents the plastic from sticking to the crushing roller for a long time, which would cause aged plastic to mix with newly crushed plastic and thus affect the quality of plastic crushing.

[0022] 3. By setting up a drying mechanism, this device can dry plastic granules, thereby reducing the moisture content in the plastic. This prevents excessive porosity in the plastic granules during subsequent melting and processing, thus improving the quality of subsequent processing. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of a plastic recycling crusher proposed in this invention;

[0024] Figure 2 for Figure 1 Enlarged view at point A;

[0025] Figure 3 This is a schematic diagram showing the position of the atomizing tube in a plastic recycling pulverizer proposed in this invention;

[0026] Figure 4 This is a schematic diagram showing the position of the cutting blades in a plastic recycling shredder proposed in this invention;

[0027] Figure 5 This is a schematic diagram showing the position of the atomizing motor in a plastic recycling shredder proposed in this invention;

[0028] Figure 6 This is a schematic diagram of the structure of a microporous plate for a plastic recycling pulverizer proposed in this invention;

[0029] Figure 7 This is a schematic diagram of the pressure plate of a plastic recycling crusher proposed in this invention;

[0030] Figure 8 This is a schematic diagram of the structure of the crushing roller of a plastic recycling crusher proposed in this invention;

[0031] Figure 9 This is a schematic diagram of the heat dissipation plate of a plastic recycling crusher proposed in this invention;

[0032] Figure 10 This is a schematic diagram of the structure of a drain filter screen for a plastic recycling shredder proposed in this invention;

[0033] Figure 11 This is a schematic diagram showing the position of the belt drive assembly in a plastic recycling crusher proposed in this invention;

[0034] Figure 12 This is a schematic diagram of the drying fan structure of a plastic recycling pulverizer proposed in this invention;

[0035] Figure 13 This is a schematic diagram of the cleaning box of a plastic recycling crusher proposed in this invention.

[0036] In the diagram: 1. Saw blade housing, 2. Device housing, 3. Motor No. 1, 4. Feed roller, 5. Sliding seat, 6. Tension spring, 7. Motor No. 2, 8. Closing cylinder, 9. Reversing gear, 10. Rack, 11. Separating cylinder, 12. Atomizing box, 13. Cooling motor, 14. Drying motor, 15. Crushing motor, 16. Atomizing tube, 17. Air pump, 18. Reciprocating screw, 19. Water storage box, 20. Cutting blade, 21. Limiting plate, 22. Closing plate, 23. Atomizing motor, 24. Micro-perforated plate, 25. Return spring, 26. Guide rod, 27. Pressure plate, 28. Cam No. 1, 29. Crushing gear, 30. Crushing roller, 31. Atomizing nozzle, 32. Cooling plate, 33. Cooling cam, 34. Atomizing piston, 35. Draining filter, 36. Drying fan, 37. Belt drive assembly, 38. Drying cam, 39. Cleaning box, 40. Heating tube, 41. Drying mechanism housing. Detailed Implementation

[0037] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0038] Example 1: A plastic recycling crusher includes a housing 2, a cleaning mechanism, a heat dissipation mechanism, and a drying mechanism. The cleaning mechanism is used to remove sugar from plastic bottles and includes a cutting section and an atomizing section.

[0039] The cutting section is equipped with a second motor 7, a cutting blade 20, a first motor 3, a tension spring 6, a sliding seat 5, and a feeding roller 4. The output shaft of the second motor 7 is fixedly connected to the cutting blade 20, and the output shaft of the first motor 3 is fixedly connected to the feeding roller 4. When the first motor 3 starts, it enters the cutting section with the rotation of the feeding roller 4. When the second motor 7 starts, the cutting blade 20 rotates to cut the plastic bottle.

[0040] The atomizing section includes an atomizing box 12, an atomizing motor 23, a microporous plate 24, a first cam 28, a return spring 25, and a pressure plate 27. The output shaft of the atomizing motor 23 is fixedly connected to the first cam 28, and the return spring 25 is fixedly connected to the pressure plate 27. When the atomizing motor 23 is started, the water on one side of the atomizing box 12 is quickly squeezed by the pressure plate 27 to form atomized water through the microporous plate 24.

[0041] The device housing 2 is equipped with a cleaning box 39, a limiting plate 21 at the upper end of the cleaning box 39, a separation cylinder 11 on the side wall of the device housing 2, a rack 10 on the side wall of the limiting plate 21, and a reversing gear 9 on the device housing 2.

[0042] The limiting plate 21 is opened by the separation cylinder 11. When the limiting plate 21 is opened, the output shaft of the separation cylinder 11 retracts to drive one of the racks 10 to move, thereby driving the reversing gear 9 to rotate, so as to make the two racks 10 move away from each other, thereby opening the limiting plate 21.

[0043] A closing plate 22 is provided at the front end of the cleaning box 39, and a closing cylinder 8 is also provided on the side wall of the device housing 2. The output rod of the closing cylinder 8 is fixedly connected to the closing plate 22. When the closing plate 22 is opened, the output rod of the closing cylinder 8 retracts to drive the closing plate 22 to move upward, thereby realizing the opening of the closing plate 22. The tension spring 6 pulls the sliding seat 5 so that the other feed roller 4 presses against the plastic bottle body.

[0044] In this embodiment, the cleaning mechanism may include the following components: a second motor 7, a cutting blade 20, a first motor 3, a tension spring 6, a sliding seat 5, a saw blade housing 1, a device housing 2, a limiting plate 21, a reversing gear 9, a rack 10, a separating cylinder 11, a closing cylinder 8, a closing plate 22, an atomizing box 12, a microporous plate 24, a return spring 25, a guide rod 26, a pressure plate 27, an atomizing motor 23, a feeding roller 4, a cleaning box 39, and a first cam 28.

[0045] The specific connection relationships are as follows: Motor 7 is fixedly connected to the top of the device housing 2, and the output shaft of Motor 7 is fixedly connected to the cutting blade 20; Motor 3 is fixedly connected to the device housing 2, and its output shaft is fixedly connected to one of the feed rollers 4; the other feed roller 4 is rotatably connected to the sliding seat 5; the sliding seat 5 is fixedly connected to the tension spring 6; the sliding seat 5 is slidably connected to the device housing 2; the saw blade housing 1 is fixedly connected to the upper end of the device housing 2; the limiting plate 21 is located in the device housing 2; there are two limiting plates 21; the uniform rack 10 is fixedly connected; the rack 10 meshes with the reversing gear 9; the reversing gear 9 is rotatably connected to the device housing 2. The separating cylinder 11 is fixedly connected to the device housing 2, and its output rod is fixedly connected to one of the racks 10. The closing cylinder 8 is fixedly connected to the device housing 2, and its output rod is fixedly connected to the closing plate 22. The closing plate 22 is normally closed and is rectangular, which slides to seal the rectangular notch on the side wall of the cleaning box 39. The atomizing box 12 is fixedly connected to the side wall of the device housing 2, and its lower surface is fixedly connected to the atomizing motor 23. The microporous plate 24 is fixedly connected to the side wall of the cleaning box 39. The guide rod 26 is fixedly connected to the side wall of the cleaning box 39. The pressure plate 27 is slidably sealed to the atomizing box 12. The first cam 28 is fixedly connected to the output shaft of the atomizing motor 23.

[0046] When using this device, please refer to... Figure 2 First, the plastic bottle is positioned between the two feed rollers 4. The sliding seat 5 is fixedly connected to the tension spring 6, so the other feed roller 4 will press on the outer contour of the plastic bottle. At this time, the first motor 3 is started, which will cause one of the feed rollers 4 to rotate so that it can send the plastic bottle into the cleaning mechanism.

[0047] Then, motor 7 starts, causing the cutting blade 20 to rotate and cut the plastic bottle along its axis. After cutting, the plastic bottle is split in two and falls onto the limiting plate 21. (Refer to...) Figure 5 The limiting plate 21 is fixedly connected to the rack 10. When the output rod of the separating cylinder 11 retracts, it will drive one of the racks 10 to move. Under the transmission of the reversing gear 9, the movement of one limiting plate 21 will be transmitted to the other limiting plate 21, thereby realizing the mutual separation between the two limiting plates 21. At this time, the limiting plate 21 opens. The plastic bottle falls into the cleaning box 39.

[0048] When the atomizing box 12 is working, the water inside is first injected into one side of the first cam 28, and then enters the other side of the pressure plate 27, near the microporous plate 24, through the one-way valve on the pressure plate 27. The output shaft of the atomizing motor 23 then rotates, causing the first cam 28 to rotate, making it contact the pressure plate 27 and squeeze towards one end of the microporous plate 24, forcing the water on one side of the microporous plate 24 to be sprayed out, thus atomizing. This principle is based on liquid atomization under pressure. After the water mist is sprayed out, the pressure plate 27 returns to its original position under the action of the return spring 25 behind it, thus forming a reciprocating motion and continuously atomizing water. This saves water resources and simultaneously cleans the threaded sections of the bottle mouth and cap with water mist.

[0049] When the plastic bottle falls into the cleaning box 39, it is cut along the axis, which may result in the unengaged screw and nut being cut apart. This disables the self-locking property of the threads, thus separating the bottle cap from the bottle body. This exposes the threaded section, allowing for the cleaning of both the bottle body and the bottle cap.

[0050] When the atomized water adheres to the inner wall of the bottle, it forms small water droplets, which dissolve the sugar content. After this process continues for a period of time, the closing plate 22 can be opened. The opening and closing of the closing plate 22 is achieved by extending and retracting the output rod of the closing cylinder 8. When the closing plate 22 is open, the cut plastic bottle can fall between the two crushing rollers 30, thus completing the crushing process.

[0051] refer to Figure 8 The crushing roller 30 is driven by the crushing motor 15. First, the crushing motor 15 drives one of the crushing gears 29 to rotate. The two crushing gears 29 mesh with each other, thereby achieving rotation between the crushing rollers 30, thus completing the crushing process. It should be noted that the water used for cleaning will come from... Figure 1 Since the contents of this device flow out from the rear end, a container is required to hold them.

[0052] Example 2:

[0053] The heat dissipation mechanism includes an air cooling section and a liquid cooling section. The air cooling section includes a heat sink 32 and an air pump 17. The air pump 17 is connected to the heat sink 32. When the air pump 17 is turned on, outside air enters the heat sink 32 to form a large-area airflow, thereby dissipating heat.

[0054] The liquid cooling section is equipped with a heat dissipation motor 13, a reciprocating lead screw 18, an atomizing nozzle 31, and an atomizing piston 34. The atomizing nozzle 31 is mounted on the reciprocating lead screw 18. The output shaft of the heat dissipation motor 13 is fixedly connected to the reciprocating lead screw 18. The liquid cooling section is driven by the heat dissipation motor 13. When the heat dissipation motor 13 is turned on, the atomizing nozzle 31 moves back and forth to cover the atomized water inside the device to assist in heat dissipation.

[0055] The front end of the device housing 2 is also provided with a crushing motor 15. The output shaft of the crushing motor 15 is provided with a crushing roller 30 and a crushing gear 29, and there are two crushing rollers 30 and two crushing gears 29.

[0056] In this embodiment, the heat dissipation mechanism may specifically include: a heat dissipation motor 13, a reciprocating lead screw 18, an atomizing tube 16, an air pump 17, a water storage box 19, an atomizing piston 34, a heat dissipation plate 32, and an atomizing nozzle 31.

[0057] The connection relationships are as follows: the cooling motor 13 is fixedly connected to the device housing 2, the reciprocating screw 18 is fixedly connected to the output shaft of the cooling motor 13, the atomizing tube 16 is connected to the atomizing nozzle 31, the atomizing nozzle 31 cooperates with the reciprocating screw 18 to realize reciprocating movement, the reciprocating screw 18 is rotatably connected to the device housing 2, the air outlet of the air pump 17 is connected to the heat sink 32, the water inlet of the atomizing piston 34 is connected to the water storage box 19, and the water outlet is connected to the atomizing nozzle 31.

[0058] When the heat dissipation mechanism is working, the air pump 17 pumps external air into the heat dissipation plate 32. The heat dissipation plate 32 has many air outlets so that air can be blown onto the crushing roller 30, thereby achieving heat dissipation of the crushing roller 30. At the same time, the output shaft of the heat dissipation motor 13 rotates, which in turn causes the reciprocating screw 18 to rotate, so that the atomizing nozzle 31 moves back and forth.

[0059] When the reciprocating screw 18 rotates, it causes the cooling cam 33 to rotate. The cooling cam 33 then contacts the output rod of the atomizing piston 34, thereby pressing the output rod of the atomizing piston 34 inward. A spring for resetting is provided inside the atomizing piston 34. Since its water inlet is connected to the water storage box 19 and its water outlet is connected to the atomizing tube 16, which is connected to the atomizing nozzle 31, when the cooling cam 33 rotates, water will be sprayed out from the micro-holes on the atomizing nozzle 31, thereby forming atomized water to assist in the heat dissipation of the crushing roller 30.

[0060] Example 3:

[0061] The drying mechanism includes a draining section and an evaporation section. The draining section includes a drying motor 14, a draining filter screen 35, and a drying cam 38. The output shaft of the drying motor 14 is fixedly connected to the drying cam 38. When the drying motor 14 is turned on, the drying cam 38 is driven to make the draining filter screen 35 move up and down reciprocatingly.

[0062] The evaporation section is equipped with a drying fan 36, an electric heating tube 40, and a belt drive assembly 37. The belt drive assembly is driven by the drying motor 14. When the belt drive assembly 37 is driven, the drying fan 36 rotates to form an airflow for the electric heating tube 40.

[0063] In this embodiment, the drying mechanism may specifically consist of the following components: a draining filter 35, a drying mechanism housing 41, a drying motor 14, a belt drive assembly 37, a drying fan 36, a drying cam 38, and an electric heating tube 40.

[0064] The specific connection relationship is as follows: there are several drain filter screens 35, which are fixedly connected together and slidably connected in the drying mechanism housing 41. The drying mechanism housing 41 is located at the bottom of the device housing 2 and is fixedly connected to it. The output shaft of the drying motor 14 is fixedly connected to the pulley in the belt drive group 37 and also fixedly connected to the drying cam 38. The heating tube 40 is fixedly connected to the drying mechanism housing 41. The drying fan 36 is rotatably connected to the drying mechanism housing 41 and fixedly connected to the pulley in the belt drive group 37.

[0065] After the plastic bottle is broken, it falls onto the drain filter 35. The output shaft of the drying motor 14 rotates to drive the belt drive assembly 37 to rotate and simultaneously drive the drying cam 38 to rotate. The belt drive assembly 37 consists of a pair of pulleys and a drive belt. The rotation of the output shaft of the drying motor 14 will cause one of the pulleys to rotate, which in turn drives the other pulley to rotate.

[0066] One pulley is fixedly connected to the output shaft of the drying motor 14, and the other pulley is fixedly connected to the drying fan 36. The drying fan 36 is fixedly connected to the housing of the drying mechanism. When the output shaft of the drying motor 14 rotates, it causes the drying fan 36 to rotate, blowing air towards the crushed plastic. The heating element 40 is located in front of the drying fan 36. The heating element 40 is existing technology; when air passes through the heating element 40, it is heated, thus drying the plastic. Simultaneously, the rotation of the drying cam 38 causes the drain filter 35 to be lifted, thus completing its up-and-down movement, thereby draining the plastic and assisting in the drying process.

[0067] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A plastic recycling crusher, comprising a housing (2), a cleaning mechanism, a heat dissipation mechanism, and a drying mechanism, characterized in that, The cleaning mechanism is used to remove sugar from plastic bottles, and the cleaning mechanism is provided with a cutting part and an atomizing part; The cutting section is equipped with a second motor (7), a cutting blade (20), a first motor (3), a tension spring (6), a sliding seat (5), and a feeding roller (4). The output shaft of the second motor (7) is fixedly connected to the cutting blade (20), and the output shaft of the first motor (3) is fixedly connected to the feeding roller (4). When the first motor (3) is started, it enters the cutting section with the rotation of the feeding roller (4). When the second motor (7) is started, the cutting blade (20) rotates to cut the plastic bottle. The atomizing section is provided with an atomizing box (12), an atomizing motor (23), a microporous plate (24), a first cam (28), a return spring (25), and a pressure plate (27). The output shaft of the atomizing motor (23) is fixedly connected to the first cam (28), and the return spring (25) is fixedly connected to the pressure plate (27). When the atomizing motor (23) is started, the water on one side of the atomizing box (12) is quickly squeezed by the pressure plate (27) to form atomized water through the microporous plate (24).

2. The plastic recycling crusher according to claim 1, characterized in that, The drying mechanism is provided with a draining section and an evaporation section. The draining section is provided with a drying motor (14), a draining filter (35) and a drying cam (38). The output shaft of the drying motor (14) is fixedly connected to the drying cam (38). When the drying motor (14) is turned on, the drying cam (38) is driven so that the draining filter (35) moves up and down reciprocatingly. The evaporation section is provided with a drying fan (36), an electric heating tube (40), and a belt drive assembly (37). The belt drive assembly is driven by a drying motor (14). When the belt drive assembly (37) is driven, the drying fan (36) rotates to form an airflow for the electric heating tube (40).

3. A plastic recycling crusher according to claim 2, characterized in that, The heat dissipation mechanism is provided with an air cooling section and a liquid cooling section. The air cooling section is provided with a heat dissipation plate (32) and an air pump (17). The air pump (17) is connected to the heat dissipation plate (32). When the air pump (17) is turned on, outside air enters the heat dissipation plate (32) to form a large area airflow, thereby dissipating heat. The liquid cooling section is equipped with a heat dissipation motor (13), a reciprocating lead screw (18), an atomizing nozzle (31), and an atomizing piston (34). The atomizing nozzle (31) is mounted on the reciprocating lead screw (18). The output shaft of the heat dissipation motor (13) is fixedly connected to the reciprocating lead screw (18). The liquid cooling section is driven by the heat dissipation motor (13). When the heat dissipation motor (13) is turned on, the atomizing nozzle (31) moves back and forth to cover the atomized water inside the device to assist in heat dissipation.

4. A plastic recycling crusher according to claim 1, characterized in that, The device housing (2) is provided with a cleaning box (39), the upper end of the cleaning box (39) is provided with a limiting plate (21), the side wall of the device housing (2) is provided with a separation cylinder (11), the side wall of the limiting plate (21) is provided with a rack (10), and the device housing (2) is also provided with a reversing gear (9).

5. A plastic recycling crusher according to claim 4, characterized in that, The limiting plate (21) is opened by the separation cylinder (11). When the limiting plate (21) is opened, the output shaft of the separation cylinder (11) retracts to drive one of the racks (10) to move, thereby driving the reversing gear (9) to rotate, so as to make the two racks (10) move away from each other, thereby opening the limiting plate (21).

6. A plastic recycling crusher according to claim 1, characterized in that, The front end of the cleaning box (39) is provided with a closing plate (22), and the side wall of the device housing (2) is also provided with a closing cylinder (8). The output rod of the closing cylinder (8) is fixedly connected to the closing plate (22). When the closing plate (22) is opened, the output rod of the closing cylinder (8) retracts to drive the closing plate (22) to move upward, thereby realizing the opening of the closing plate (22).

7. A plastic recycling crusher according to claim 1, characterized in that, The tension spring (6) pulls the sliding seat (5) so that another feed roller (4) presses against the plastic bottle body.

8. A plastic recycling crusher according to claim 1, characterized in that, The front end of the device housing (2) is also provided with a crushing motor (15), and the output shaft of the crushing motor (15) is provided with a crushing roller (30) and a crushing gear (29), and there are two crushing rollers (30) and two crushing gears (29).

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