Waste plastic crushing and recycling treatment device

Abstract

The invention discloses a waste plastic crushing and recycling treatment device, and relates to the technical field of waste plastic recycling treatment, according to the technical scheme, the waste plastic crushing and recycling treatment device comprises a crushing cylinder, a rotating shaft is connected to the interior of the crushing cylinder through a bearing, and one end of the rotating shaft extends out of the crushing cylinder and is connected with the connecting position of the side wall of the crushing cylinder through a bearing; the plastic crushing device has the beneficial effects that in the plastic crushing process, the two movable blades can be controlled to move to change the unfolding angle according to the actual requirement, shutdown is not needed, and the plastic crushing device is convenient to use and high in practicability. Therefore, the waste plastic crushing device can better adapt to waste plastics of different materials and different sizes, the crushing effect is improved, meanwhile, the unfolding angle of the movable blade can be directly fixed, diversified crushing requirements are met, and the problems that an existing device is fixed in crushing blade structure and poor in crushing effect are effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of waste plastic recycling and treatment, and in particular to a waste plastic crushing and recycling treatment device. Background Art

[0002] As a common material in daily life, plastic plays a very important role in food packaging, agriculture, electrical industry, chemical industry and other fields. In recent years, with the rapid development of the plastic industry and the increasing size of Chinese cities and population expansion, waste plastics have also increased, and brought many problems, such as restricting sustainable development, affecting waste management, and polluting the human living environment. As the concept of environmental protection has become popular, people are paying more and more attention to environmental protection. Resource recycling and reuse is an important part of environmental protection. Waste plastics can be recycled by crushing.

[0003] In the existing waste plastic crushing process, the crushing blade structure of many devices is fixed, and the working state of the blade cannot be adjusted according to the actual crushing needs, resulting in poor crushing effect for waste plastics of different materials and sizes. The cutting angle cannot be adjusted dynamically, and the machine needs to be stopped to replace the tool, which is inefficient. Moreover, during the crushing process, plastic is easy to accumulate at the bottom of the crushing barrel, affecting the crushing efficiency and effect. In addition, the existing devices are not perfect in material filtration, and cannot efficiently separate the plastic powder that meets the requirements from the plastic that is not completely crushed, which increases the difficulty and cost of subsequent processing. Summary of the invention

[0004] To this end, the present invention provides a waste plastic crushing and recycling processing device to solve the problem that in the crushing process of waste plastics, the crushing blade structure of many devices is fixed, and the working state of the blade cannot be adjusted according to the actual crushing needs, resulting in poor crushing effect for waste plastics of different materials and sizes, and the cutting angle cannot be dynamically adjusted. The tool needs to be stopped to replace, which is inefficient. Moreover, during the crushing process, plastic is easily accumulated at the bottom of the crushing barrel, affecting the crushing efficiency and effect. In addition, the existing device is not perfect in the material filtering, and cannot efficiently separate the plastic powder that meets the requirements from the plastic that is not completely crushed, which increases the difficulty and cost of subsequent processing.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a waste plastic crushing and recycling device, comprising a crushing cylinder, wherein a rotating shaft is connected to the inside of the crushing cylinder through a bearing, wherein one end of the rotating shaft extends out of the outside of the crushing cylinder and is connected to the connection of the side wall of the crushing cylinder through a bearing, wherein a second motor is fixedly provided on one side of the crushing cylinder, a third gear is fixedly connected to the output end of the second motor, a fourth gear is fixedly provided on the outside of the rotating shaft, the fourth gear is meshed with the third gear, a plurality of fixed blades are fixedly connected to the outside of the rotating shaft, and a plurality of movable blade assemblies are provided on one side of the rotating shaft; The movable knife assembly includes two inner plates, the two inner plates are arranged inside the rotating shaft, the two inner plates are connected to the inner wall of the rotating shaft through bearings, two sliding rods are fixedly provided between the two inner plates, and slotted slides are provided outside the two sliding rods, the sliding rods slide inside the slotted slides, and two slide rail assemblies are provided on one side of the slotted slide. The slide rail assembly includes two slide rail plates, the two slide rail plates are fixedly connected to the slotted slides, a fixed column is provided between the two slide rail plates, a fixed shaft is provided on one side of the fixed column, the fixed column is connected to the fixed shaft through bearings, a rotating plate is fixedly connected to one side of the fixed shaft, a movable blade is fixedly provided on one side of the rotating plate, a slot is provided on the side wall of the rotating shaft, the rotating plate is arranged inside the slot, a rotating shaft is connected to the rotating shaft through bearings on one side of the fixed column, and the rotating shaft is fixedly connected to the slotted side wall.

[0006] Preferably, a plurality of limiting rods are fixedly provided inside the rotating shaft, and the limiting rods penetrate the slotted slide and are slidably connected to the slotted slide.

[0007] Preferably, a control component is provided on one side of the rotating shaft, and the control component includes two U-shaped plates, the U-shaped plates are fixedly connected to the rotating shaft, a connecting shell is fixedly connected between the two U-shaped plates, a connecting shaft is connected to the inside of the rotating shaft through a bearing, the connecting shaft passes through the inner plate and is fixedly connected to the inner plate, one end of the connecting shaft extends into the connecting shell and is connected to the side wall of the connecting shell through a bearing, a worm gear is fixedly sleeved on the outside of the connecting shaft, a worm is connected to one side of the connecting shell through a bearing, the worm is meshed with the worm gear, one end of the worm is fixedly connected to a fifth gear, an electric push rod is fixedly provided on one side of the connecting shell, the output end of the electric push rod is fixedly connected to a toothed plate, and the toothed plate is meshed with the fifth gear.

[0008] Preferably, two connecting plates are fixedly provided on one side of the rotating shaft, and push plates are fixedly provided on one end of the two connecting plates, and the push plates are in contact with the inner wall of the pulverizing cylinder.

[0009] Preferably, a feed filter assembly is provided on one side of the pulverizing barrel, and the feed filter assembly includes a support ring, the support ring is connected to the inner wall of the pulverizing barrel through a bearing, a filter screen is installed on one side of the support ring, a gear ring is provided on the external fixed sleeve of the support ring, one end of the rotating shaft is connected to the support ring through a bearing, a first gear is provided on one side of the gear ring, the gear ring is meshed with the first gear, a round rod is fixedly connected to one side of the first gear, a second gear is fixedly connected to one end of the round rod, and the second gear is meshed with a third gear.

[0010] Preferably, a protective cover is fixedly provided on one side of the pulverizing cylinder, the round rod passes through the protective cover and is connected to the protective cover connection through a bearing, and a fixing plate is fixedly provided on the bottom of the pulverizing cylinder, the round rod passes through the fixing plate and is connected to the fixing plate through a bearing.

[0011] Preferably, a circular baffle is provided on one side of the gear ring, two bolts are provided on one side of the circular baffle, and the gear ring and the circular baffle are fixedly connected by bolts.

[0012] Preferably, a feed pipe is fixedly provided on the top of the pulverizing cylinder.

[0013] Preferably, rotating rods are fixedly provided on both sides of the crushing barrel, and one end of the two rotating rods is connected to a support plate through a bearing, a first motor is fixedly provided on one side of one of the support plates, and the output end of the first motor is fixedly connected to the rotating rod, a material discharge trough is fixedly provided at the bottom of the two support plates, a discharge port is opened on one side of the material discharge trough, and two support blocks are fixedly provided at the bottom of the material discharge trough.

[0014] The embodiments of the present invention have the following advantages: 1. The movable blade assembly of the device is cleverly designed. The expansion angle of the movable blade can be flexibly adjusted through the control assembly. In the process of crushing plastics, the two movable blades can be controlled to change the expansion angle according to actual needs without stopping the machine, so as to better adapt to waste plastics of different materials and sizes and improve the crushing effect. At the same time, the expansion angle of the movable blade can also be directly fixed to meet the diversified crushing needs, effectively solving the problem of fixed crushing blade structure and poor crushing effect of the existing device; 2. Two connecting plates are fixed on one side of the rotating shaft, and a push plate is fixed on one end of the connecting plate, and the push plate is in contact with the inner wall of the crushing tube. When the rotating shaft rotates, the connecting plate and the push plate will be driven to rotate, and the plastic at the bottom will be lifted up by the push plate, which avoids the accumulation of plastic at the bottom of the crushing tube, so that the plastic can be more fully in contact with the blade, thereby improving the plastic crushing efficiency and solving the problem that the plastic is easy to accumulate and affect the efficiency during the crushing process of the existing device; 3. The device is provided with a material filtering assembly, which controls the third gear to rotate forward and reversely through the second motor, driving the second gear, the round rod and the first gear to rotate, and then the gear ring drives the support ring to rotate forward and reversely, and the crushed plastic falls on the filter. Through this reciprocating rotation, the plastic powder can pass through the filter more efficiently, realizing material filtering, improving the quality of recycled plastics, solving the problems of imperfect material filtering and uneven quality of recycled plastics in existing devices, reducing the rework rate and reducing subsequent production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0017] Figure 1 A schematic diagram of the overall structure provided by the present invention; Figure 2 A cross-sectional view of the protective cover provided by the present invention; Figure 3 A cross-sectional view of a pulverizing tube provided by the present invention; Figure 4 A three-dimensional diagram of the rotating shaft provided by the present invention; Figure 5 A three-dimensional diagram of the movable knife assembly provided by the present invention; Figure 6 A three-dimensional diagram of the movable blade provided by the present invention; Figure 7 A three-dimensional diagram of the slide rail assembly provided by the present invention; Figure 8 The present invention provides Figure 2 A magnified view of the structure of the middle part A; Fig. 9 The present invention provides Figure 3 A magnified view of the structure of the middle B section; Fig.10 A three-dimensional diagram of the support ring provided by the present invention.

[0018] In the figure: 1. crushing cylinder; 2. protective cover; 3. feeding pipe; 4. gear ring; 5. round baffle; 6. bolt; 7. support plate; 8. first motor; 9. feeding chute; 10. support block; 11. discharge port; 12. rotating rod; 13. connecting plate; 14. rotating shaft; 15. connecting shaft; 16. support ring; 17. first gear; 18. fixing plate; 19. round rod; 20. second gear; 21. inner plate; 22. Second motor; 23. Third gear; 24. Fixed blade; 25. Movable blade; 26. Push plate; 27. Rotating plate; 28. Fourth gear; 29. ​​Worm gear; 30. Rotating shaft; 31. Limit rod; 32. Slide plate with groove; 33. Slide rod; 34. Slide rail plate; 35. Connecting shell; 36. Fixed shaft; 37. Fixed column; 38. Worm; 39. Fifth gear; 40. Electric push rod; 41. Tooth plate; 42. U-shaped plate. DETAILED DESCRIPTION

[0019] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See attached Figure 1 -Attached Fig.10 The present invention provides a waste plastic crushing and recycling device, comprising a crushing cylinder 1, wherein the crushing cylinder 1 is internally connected with a rotating shaft 14 through a bearing, wherein one end of the rotating shaft 14 extends out of the crushing cylinder 1 and is connected to the connecting portion of the side wall of the crushing cylinder 1 through a bearing, wherein a second motor 22 is fixedly provided on one side of the crushing cylinder 1, wherein a third gear 23 is fixedly connected to the output end of the second motor 22, a fourth gear 28 is fixedly sleeved on the outside of the rotating shaft 14, wherein the fourth gear 28 is meshed with the third gear 23, a plurality of fixed blades 24 are fixedly connected to the outside of the rotating shaft 14, and a plurality of movable blade assemblies are provided on one side of the rotating shaft 14; The movable knife assembly includes two inner plates 21, and the two inner plates 21 are arranged inside the rotating shaft 14. The two inner plates 21 are connected to the inner wall of the rotating shaft 14 through bearings. Two sliding rods 33 are fixedly arranged between the two inner plates 21. The two sliding rods 33 are provided with a slotted slide plate 32 outside. The sliding rods 33 slide inside the slotted slide plate 32. Two slide rail assemblies are arranged on one side of the slotted slide plate 32. The slide rail assembly includes two slide rail plates 34. The two slide rail plates 34 are fixedly connected to the slotted slide plate 32. A fixed column 37 is arranged between the two slide rail plates 34. A fixed shaft 36 is arranged on one side of the fixed column 37. The fixed column 37 is connected to the fixed shaft 36 through a bearing. A rotating plate 27 is fixedly connected to one side of the fixed shaft 36. A movable blade 25 is fixedly arranged on one side of the rotating plate 27. A slot is arranged on the side wall of the rotating shaft 14. The rotating plate 27 is arranged inside the slot. A rotating shaft 30 is connected to the side wall of the slot through a bearing on one side of the fixed column 37. The rotating shaft 30 is fixedly connected to the side wall of the slot. A plurality of limit rods 31 are fixedly arranged inside the rotating shaft 14, and the limit rods 31 penetrate the slotted slide plate 32 and are slidably connected to the slotted slide plate 32. A control component is arranged on one side of the rotating shaft 14, and the control component includes two U-shaped plates 42, and the U-shaped plates 42 are fixedly connected to the rotating shaft 14. A connecting shell 35 is fixedly connected between the two U-shaped plates 42. A connecting shaft 15 is connected to the rotating shaft 14 through a bearing, and the connecting shaft 15 penetrates the inner plate 21 and is fixedly connected to the inner plate 21. One end of the connecting shaft 15 extends into the interior of the connecting shell 35 and is connected to the side wall of the connecting shell 35 through a bearing. A worm gear 29 is fixedly sleeved on the outside of the connecting shaft 15. A worm 38 is connected to one side of the connecting shell 35 through a bearing. The worm 38 meshes with the worm gear 29. One end of the worm 38 is fixedly connected to a fifth gear 39. An electric push rod 40 is fixedly provided on one side of the connecting shell 35. A toothed plate 41 is fixedly connected to the output end of the electric push rod 40. The toothed plate 41 meshes with the fifth gear 39. In this embodiment, the second motor 22 is started, the second motor 22 controls the third gear 23 to rotate, the third gear 23 drives the fourth gear 28 to rotate, the fourth gear 28 drives the rotating shaft 14 to rotate, the rotating shaft 14 drives the fixed blade 24 and the movable blade 25 to rotate, so as to crush the plastic. During the crushing process, the electric push rod 40 is started, the electric push rod 40 controls the tooth plate 41 to move, the tooth plate 41 drives the fifth gear 39 to rotate, the fifth gear 39 drives the worm 38 to rotate, the worm 38 drives the worm wheel 29 to rotate, the worm wheel 29 drives the connecting shaft 15 to rotate, and the connecting shaft 15 drives the inner The plate 21 rotates a certain angle, the inner plate 21 drives the slide bar 33 to rotate a certain angle, the slide bar 33 rotates and drives the slotted slide plate 32 to move, the slotted slide plate 32 drives the slide rail plate 34 to move, the slide rail plate 34 moves and drives the fixed column 37 to slide, the fixed column 37 drives the fixed shaft 36 to move, the fixed shaft 36 drives the rotating plate 27 to rotate a certain angle around the rotating shaft 30, so that the rotating plate 27 drives the movable blade 25 to rotate a certain angle. In the process of crushing plastics, the two movable blades 25 are controlled to change the expansion angle to improve the crushing effect, and the expansion angle of the movable blade 25 can also be directly fixed at the same time; In order to achieve the purpose of lifting materials, the device adopts the following technical solutions: two connecting plates 13 are fixedly provided on one side of the rotating shaft 14, and a push plate 26 is fixedly provided on one end of the two connecting plates 13. The push plate 26 contacts the inner wall of the crushing tube 1. The rotation of the rotating shaft 14 drives the connecting plate 13 and the push plate 26 to rotate, and the plastic at the bottom is lifted by the push plate 26, thereby improving the efficiency of plastic crushing; Among them, in order to achieve the purpose of filtering the feed, the present device is implemented by the following technical scheme: a feed filtering assembly is provided on one side of the pulverizing barrel 1, and the feed filtering assembly includes a support ring 16, and the support ring 16 is connected to the inner wall of the pulverizing barrel 1 through a bearing, and a filter screen is installed on one side of the support ring 16, and a gear ring 4 is fixedly sleeved on the outside of the support ring 16, and one end of the rotating shaft 14 is connected to the support ring 16 through a bearing, and a first gear 17 is provided on one side of the gear ring 4, and the gear ring 4 is meshed with the first gear 17, and a round rod 19 is fixedly connected to one side of the first gear 17, and a second gear 20 is fixedly connected to one end of the round rod 19, and the second gear 20 is meshed with a third gear 23, and a protective cover 2 is fixedly provided on one side of the pulverizing barrel 1, and the round rod 19 passes through the protective cover 2 and is connected to the protective cover 2 at the connection The bottom of the crushing cylinder 1 is fixed with a fixing plate 18, the round rod 19 penetrates the fixing plate 18 and is connected to the fixing plate 18 through a bearing, a round baffle 5 is provided on one side of the gear ring 4, and two bolts 6 are provided on one side of the round baffle 5. The gear ring 4 is fixedly connected with the round baffle 5 through the bolts 6, the bolts 6 are rotated to open the round baffle 5, and then the second motor 22 is started to control the third gear 23 to rotate, and the third gear 23 is controlled by the second motor 22 to rotate forward and reverse, the third gear 23 drives the second gear 20 to rotate, the second gear 20 drives the round rod 19 to rotate, the round rod 19 drives the first gear 17 to rotate, the first gear 17 drives the gear ring 4 to rotate, and the gear ring 4 drives the support ring 16 to rotate forward and reverse, so that the crushed plastic falls on the filter screen, and the plastic powder passes through the filter screen through the filter screen; In order to achieve the purpose of feeding, the device adopts the following technical solution: a feeding pipe 3 is fixedly provided on the top of the crushing cylinder 1, and the waste plastics are poured into the crushing cylinder 1 through the feeding pipe 3; Among them, in order to achieve the purpose of unloading, the present device adopts the following technical scheme: rotating rods 12 are fixedly provided on both sides of the crushing barrel 1, and one end of the two rotating rods 12 is connected to a support plate 7 through a bearing, and a first motor 8 is fixedly provided on one side of one of the support plates 7, and the output end of the first motor 8 is fixedly connected to the rotating rod 12, and a unloading trough 9 is fixedly provided at the bottom of the two support plates 7, and a discharge port 11 is opened on one side of the unloading trough 9, and two support blocks 10 are fixedly provided at the bottom of the unloading trough 9. Start the first motor 8, and the first motor 8 controls the rotating rod 12 to rotate, and the rotating rod 12 drives the crushing barrel 1 to rotate, so that the gear ring 4 on one side of the crushing barrel 1 faces the unloading trough 9, and the filter screen allows the plastic powder to pass through the filter screen and fall into the inside of the unloading trough 9, and unload through the discharge port 11.

[0021] The use process of the present invention is as follows: when using the present invention, the waste plastic is poured into the crushing cylinder 1 through the feeding pipe 3, and then the second motor 22 is started. The second motor 22 controls the third gear 23 to rotate, and the third gear 23 drives the fourth gear 28 to rotate. The fourth gear 28 drives the rotating shaft 14 to rotate, and the rotating shaft 14 drives the fixed blade 24 and the movable blade 25 to rotate, so as to crush the plastic. The rotation of the rotating shaft 14 will drive the connecting plate 13 and the push plate 26 to rotate, and the plastic at the bottom will be lifted up by the push plate 26, so as to improve the plastic crushing efficiency. During the crushing process, The electric push rod 40 is started, and the electric push rod 40 controls the tooth plate 41 to move, the tooth plate 41 drives the fifth gear 39 to rotate, the fifth gear 39 drives the worm 38 to rotate, the worm 38 drives the worm wheel 29 to rotate, the worm wheel 29 drives the connecting shaft 15 to rotate, the connecting shaft 15 drives the inner plate 21 to rotate a certain angle, the inner plate 21 drives the slide bar 33 to rotate a certain angle, the slide bar 33 rotates and drives the slotted slide plate 32 to move, the slotted slide plate 32 drives the slide rail plate 34 to move, the slide rail plate 34 moves and drives the fixed column 37 to slide, the fixed column 37 drives the fixed shaft 36 to move, the fixed shaft 36 The rotating plate 27 is driven to rotate around the rotating shaft 30 at a certain angle, so that the rotating plate 27 drives the movable blade 25 to rotate at a certain angle. In the process of crushing plastics, the two movable blades 25 are controlled to change the opening angle to improve the crushing effect. At the same time, the opening angle of the movable blade 25 can also be directly fixed. After the crushing is completed, the bolt 6 is rotated to open the circular baffle 5, and the first motor 8 is started. The first motor 8 controls the rotating rod 12 to rotate, and the rotating rod 12 drives the crushing tube 1 to rotate, so that the gear ring 4 on one side of the crushing tube 1 faces the discharge chute 9, and then the second motor 22 is started to control the third gear 2 3 rotates, the third gear 23 is controlled by the second motor 22 to rotate forward and reverse, the third gear 23 drives the second gear 20 to rotate, the second gear 20 drives the round rod 19 to rotate, the round rod 19 drives the first gear 17 to rotate, the first gear 17 drives the gear ring 4 to rotate, the gear ring 4 drives the support ring 16 to rotate forward and reverse, so that the crushed plastic falls on the filter screen, and the plastic powder passes through the filter screen and falls into the discharge chute 9 through the filter screen, and is discharged through the discharge port 11, and the plastic that is not completely filtered continues to remain in the crushing cylinder 1, and can continue to be crushed.

[0022] The above is only a preferred embodiment of the present invention. Any person skilled in the art may modify the present invention by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A waste plastic crushing and recycling device, comprising a crushing cylinder (1), characterized in that: The grinding cylinder (1) is internally connected to a rotating shaft (14) via a bearing; one end of the rotating shaft (14) extends outside the grinding cylinder (1) and is connected to a connection point of a side wall of the grinding cylinder (1) via a bearing; a second motor (22) is fixedly provided on one side of the grinding cylinder (1); a third gear (23) is fixedly connected to an output end of the second motor (22); a fourth gear (28) is fixedly sleeved on the outside of the rotating shaft (14); the fourth gear (28) is meshed with the third gear (23); a plurality of fixed blades (24) are fixedly connected to the outside of the rotating shaft (14); and a plurality of movable blade assemblies are provided on one side of the rotating shaft (14); The movable knife assembly comprises two inner plates (21), the two inner plates (21) are arranged inside the rotating shaft (14), the two inner plates (21) are connected to the inner wall of the rotating shaft (14) via bearings, two sliding rods (33) are fixedly arranged between the two inner plates (21), the two sliding rods (33) are provided with a grooved slide plate (32) outside, the sliding rods (33) slide inside the grooved slide plate (32), two slide rail assemblies are provided on one side of the grooved slide plate (32), the slide rail assembly comprises two slide rail plates (34), the two slide rail plates (34) and the grooved slide plate (32) are connected to each other. A fixed connection is provided between the two slide rail plates (34), a fixed column (37) is provided on one side of the fixed column (37) with a fixed shaft (36), the fixed column (37) and the fixed shaft (36) are connected via a bearing, a rotating plate (27) is fixedly connected to one side of the fixed shaft (36), a movable blade (25) is fixedly provided on one side of the rotating plate (27), a side wall of the rotating shaft (14) is provided with a slot, the rotating plate (27) is arranged inside the slot, a rotating shaft (30) is connected to one side of the fixed column (37) via a bearing, and the rotating shaft (30) is fixedly connected to the side wall of the slot.

2. The waste plastic crushing and recycling device according to claim 1 is characterized in that: A plurality of limiting rods (31) are fixedly disposed inside the rotating shaft (14), and the limiting rods (31) penetrate the grooved slide plate (32) and are slidably connected to the grooved slide plate (32).

3. The waste plastic crushing and recycling device according to claim 1 is characterized in that: A control assembly is provided on one side of the rotating shaft (14), the control assembly comprising two U-shaped plates (42), the U-shaped plates (42) being fixedly connected to the rotating shaft (14), a connecting shell (35) being fixedly connected between the two U-shaped plates (42), a connecting shaft (15) being connected inside the rotating shaft (14) via a bearing, the connecting shaft (15) penetrating the inner plate (21) and being fixedly connected to the inner plate (21), one end of the connecting shaft (15) extending into the connecting shell (35) and being connected to the connecting shell (35) ) side walls are connected via bearings, a worm gear (29) is provided on the outer fixed sleeve of the connecting shaft (15), a worm (38) is connected to one side of the connecting shell (35) via a bearing, the worm (38) is meshed with the worm gear (29), one end of the worm (38) is fixedly connected to a fifth gear (39), an electric push rod (40) is fixedly provided on one side of the connecting shell (35), an output end of the electric push rod (40) is fixedly connected to a toothed plate (41), and the toothed plate (41) is meshed with the fifth gear (39).

4. The waste plastic crushing and recycling device according to claim 1 is characterized in that: Two connecting plates (13) are fixedly provided on one side of the rotating shaft (14), and push plates (26) are fixedly provided on one end of the two connecting plates (13), wherein the push plates (26) are in contact with the inner wall of the pulverizing cylinder (1).

5. The waste plastic crushing and recycling device according to claim 1 is characterized in that: A material discharge filter assembly is provided on one side of the pulverizing cylinder (1), and the material discharge filter assembly comprises a support ring (16), the support ring (16) is connected to the inner wall of the pulverizing cylinder (1) via a bearing, a filter screen is installed on one side of the support ring (16), a gear ring (4) is provided on the outer fixed sleeve of the support ring (16), one end of the rotating shaft (14) is connected to the support ring (16) via a bearing, a first gear (17) is provided on one side of the gear ring (4), the gear ring (4) is meshed with the first gear (17), a round rod (19) is fixedly connected to one side of the first gear (17), one end of the round rod (19) is fixedly connected to a second gear (20), and the second gear (20) is meshed with a third gear (23).

6. The waste plastic crushing and recycling device according to claim 5 is characterized in that: A protective cover (2) is fixedly provided on one side of the pulverizing cylinder (1), the round rod (19) penetrates the protective cover (2) and is connected to the protective cover (2) at a connection point via a bearing, and a fixing plate (18) is fixedly provided on the bottom of the pulverizing cylinder (1), the round rod (19) penetrates the fixing plate (18) and is connected to the fixing plate (18) via a bearing.

7. The waste plastic crushing and recycling device according to claim 5 is characterized by: A circular baffle (5) is provided on one side of the gear ring (4), and two bolts (6) are provided on one side of the circular baffle (5). The gear ring (4) and the circular baffle (5) are fixedly connected via the bolts (6).

8. The waste plastic crushing and recycling device according to claim 1 is characterized by: A feeding pipe (3) is fixedly provided on the top of the pulverizing cylinder (1).

9. The waste plastic crushing and recycling device according to claim 1 is characterized by: Rotating rods (12) are fixedly provided on both sides of the pulverizing cylinder (1), and one end of the two rotating rods (12) is connected to a support plate (7) via a bearing, a first motor (8) is fixedly provided on one side of one of the support plates (7), and an output end of the first motor (8) is fixedly connected to the rotating rod (12), and a material discharge trough (9) is fixedly provided at the bottom of the two support plates (7), a material discharge port (11) is provided on one side of the material discharge trough (9), and two support blocks (10) are fixedly provided at the bottom of the material discharge trough (9).

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