Leftover material recovery equipment for processing environment-friendly plastic packaging box
By introducing a swing shaft and connecting rod structure into the crushing equipment, changing the angle between the crushing knife and the scrap material, and using elastic nip rollers and servo motors to drive the nip roller to rotate simultaneously, the problem of excessive stress on the crushing knife is solved and the service life of the equipment is extended.
Patent Information
- Application Number
- CN202510608323.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-13
- Publication Date
- 2025-07-08
AI Technical Summary
When existing recycling equipment crushes long plate-shaped plastic scraps, the crushing knife is subjected to excessive stress, wear and break due to cross-cutting, which affects its service life.
The swing shaft and connecting rod structure are adopted to continuously change the angle between the crushing knife and the scrap material. Combined with the elastic nip roller and the servo motor, the nip roller rotates simultaneously to adapt to the changes in the scrap material thickness and reduce the direct contact surface.
It extends the service life of the crushing knife, reduces wear and improves the stability and efficiency of the equipment.
Smart Images

Figure CN120269726A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of plastic crushing, and particularly to a waste recycling device for processing the edge materials of an environment-friendly plastic packaging box. Background Art
[0002] An environment-friendly plastic packaging box is a plastic packaging box that has less impact on the environment during the processes of production, use and waste treatment.
[0003] However, when the existing recycling device crushes long plate-shaped plastic edge materials, when the edge materials are put into the device from the top, the edge materials are perpendicular to the crushing knives. At this time, the crushing knives are equivalent to directly cutting the edge materials horizontally to crush them. And the cutting length during horizontal cutting is long, resulting in an increase in the direct contact area between the crushing knives and the edge materials, causing the crushing knives to be overloaded, accelerating wear and breakage, seriously affecting their service life. Summary of the Invention
[0004] The purpose of the present invention is to solve the disadvantages existing in the background art, and to propose a waste recycling device for processing the edge materials of an environment-friendly plastic packaging box.
[0005] To achieve the above purpose, the technical solution adopted by the present invention is: a waste recycling device for processing the edge materials of an environment-friendly plastic packaging box, including a housing and a crushing knife installed inside the housing. A swing shaft is rotatably installed in the middle of the side of the housing. One end of the swing shaft extends into the interior of the housing. A swing ear extends from the lower part of the other end of the swing shaft. A connecting rod is rotatably installed at the end of the swing ear. A connecting shaft is rotatably installed through the end of the connecting rod. Convex frames are inlaid at both ends of the connecting shaft. One of the convex frames is rotatably connected to the housing. The outer surface of the other convex frame is rotatably installed with a bearing frame. The end of the bearing frame is fixed to the housing. A driving motor is installed at the lower part of the side of the housing. The driving motor is respectively connected to the other convex frame and the crushing knife. A swing seat is fixedly installed at one end of the swing shaft. A feeding member is installed at the end of the swing seat.
[0006] Preferably, a first belt is connected between the output end of the driving motor and the crushing knife. A transmission shaft is rotatably installed on the side of the bearing frame. Second helical gears are coaxially inlaid at the rear end of the transmission shaft and the end of the other convex frame respectively. The two second helical gears are meshed with each other. A second belt is connected between the output end of the driving motor and the transmission shaft. The second belt is located behind the first belt.
[0007] Preferably, the feeding member includes two first carriers fixedly installed at both ends of the swing seat. Second carriers are elastically installed on the sides of the two first carriers. Fixed pinch rollers are rotatably installed between the upper ends and between the lower ends of the two first carriers respectively. Movable pinch rollers are rotatably installed between the upper ends and between the lower ends of the two second carriers respectively.
[0008] Preferably, a third belt is connected between one ends of the two movable pinch rollers, a fourth belt is connected between one ends of the two fixed pinch rollers, a bearing shaft is rotatably installed on the upper front part of the front second carrier seat, transmission gears are coaxially inlaid on the outer surface of the bearing shaft and the other end of the upper movable pinch roller, the two transmission gears are meshed with each other, a guide post is elastically installed on the lower front part of the front first carrier seat, and the other end of the upper fixed pinch roller, the end of the bearing shaft and the upper end of the guide post are all connected with connecting pulleys, and a timing belt is connected between the three connecting pulleys.
[0009] Preferably, an arc-shaped adaptation hole is penetrated and opened at the rear edge of the side surface of the housing, a connecting frame extends from the rear end of the swing seat, an arc-shaped baffle is fixedly installed at the end of the connecting frame, the middle part of the arc-shaped baffle is slidably installed inside the arc-shaped adaptation hole, a motor frame is fixedly installed at the rear end of the swing shaft, a servo motor is fixedly installed at the end of the motor frame, the output end of the servo motor passes through the middle part of the arc-shaped baffle, the output end of the servo motor is rotationally connected with the arc-shaped baffle, and first bevel gears are coaxially inlaid on the output end of the servo motor and the rear end of the lower fixed pinch roller, and the two first bevel gears are meshed with each other.
[0010] Preferably, a guide sleeve is slidably installed on the outer surface of the guide post, the rear end of the guide sleeve is fixed to the front first carrier seat, a convex block cap is coaxially inlaid on the lower end of the guide post, the convex block cap is slidably installed inside the guide sleeve, a tension spring is wound around the outside of the guide post, one end of the tension spring is fixed to the upper end of the convex block cap, and the other end of the tension spring is fixed to the upper inner end of the guide post.
[0011] Preferably, a guide rod extends from the middle part of the side surface of the first carrier seat, and the second carrier seat is slidably installed on the outer surface of the guide rod.
[0012] Preferably, a tightening spring is wound around the outside of the guide rod, one end of the tightening spring is fixed to one side of the second carrier seat, the other end of the tightening spring is fixed to the end of the guide rod, and a positioning cap is coaxially inlaid on the outer surface of the guide rod, and the positioning cap is attached to the other side of the second carrier seat.
[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. Through the rotating convex frame, the connecting rod can be driven to move, so as to push the swing ear, so that the swing seat on the swing shaft can swing back and forth continuously, and then drive the scrap to swing back and forth continuously, so as to continuously change the angle between the scrap and the crushing knife during crushing, reduce the cutting length during crushing, and further reduce the direct contact area between the crushing knife and the scrap during crushing, so as to avoid excessive force on the crushing knife and extend the service life of the equipment.
[0014] 2. During the crushing process, the pressing spring will continuously deform, causing the distance between the fixed pinch roller and the movable pinch roller to change continuously, so as to flexibly adapt to different thickness positions on the scraps for clamping, ensuring that the scraps are driven to swing normally. At the same time, the tension spring will continuously deform to push the connecting pulley at the end of the guide post, thereby pulling the synchronous belt. When the distance between the fixed pinch roller and the movable pinch roller changes continuously, the pressing spring can always be in a tensioned state for transmission, enabling the fixed pinch roller and the movable pinch roller to always maintain a state of rotating towards each other, thus ensuring the normal advancement of the scraps. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic structural view of a waste recycling device for processing scraps in an environmentally friendly plastic packaging box of the present invention; Figure 2 is another perspective view of a waste recycling device for processing scraps in an environmentally friendly plastic packaging box of the present invention; Figure 3 is of a waste recycling device for processing scraps in an environmentally friendly plastic packaging box of the present invention Figure 2 magnified view of A; Figure 4 is of a waste recycling device for processing scraps in an environmentally friendly plastic packaging box of the present invention Figure 2 magnified view of B; Figure 5 is an internal view of the housing of a waste recycling device for processing scraps in an environmentally friendly plastic packaging box of the present invention; Figure 6 is of a waste recycling device for processing scraps in an environmentally friendly plastic packaging box of the present invention Figure 5 magnified view of C; Figure 7 is a schematic view of the arc-shaped baffle of a waste recycling device for processing scraps in an environmentally friendly plastic packaging box of the present invention; Figure 8 is another perspective view of the arc-shaped baffle of a waste recycling device for processing scraps in an environmentally friendly plastic packaging box of the present invention; Figure 9 is an internal view of the guide sleeve of a waste recycling device for processing scraps in an environmentally friendly plastic packaging box of the present invention.
[0016] In the figure: 1. Housing; 2. Driving motor; 3. First belt; 4. Second belt; 5. Carrying frame; 6. Guide sleeve; 7. Bump cap; 8. Guide post; 9. Tension spring; 10. Connecting pulley; 11. Guide rod; 12. First carrier seat; 13. Second carrier seat; 14. Movable pinch roller; 15. Third belt; 16. Fourth belt; 17. Fixed pinch roller; 18. Swing shaft; 19. Arc-shaped baffle; 20. Connecting and fixing frame; 21. First helical gear; 22. Servo motor; 23. Transmission gear; 24. Swing seat; 25. Motor frame; 26. Arc-shaped adaptation hole; 27. Swing ear; 28. Link; 29. Bump frame; 30. Connecting shaft; 31. Second helical gear; 32. Transmission shaft; 33. Positioning cap; 34. Tightening spring; 35. Carrying shaft; 36. Crushing knife; 37. Scrap; 38. Timing belt. Detailed implementation manners
[0017] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious variations.
[0018] As Figures 1 - 9 Shown is a waste recycling device for processing environmental protection plastic packaging boxes, including a housing 1 and a crushing knife 36 installed inside the housing 1. Since it is the prior art that the driving motor 2 drives the crushing knife 36 to rotate through the first belt 3 to crush the waste 37 and it has been widely used, it will not be elaborated in detail here. A swing shaft 18 is rotatably installed in the middle of the side surface of the housing 1. One end of the swing shaft 18 extends into the housing 1. A swing ear 27 extends below the other end of the swing shaft 18. A link 28 is rotatably installed at the end of the swing ear 27. A connecting shaft 30 is rotatably installed through the end of the link 28. Bump frames 29 are inlaid at both ends of the connecting shaft 30. The connecting shaft 30 serves to connect the link 28 and the bump frames 29 together. One of the bump frames 29 is rotatably connected to the housing 1. The driving motor 2 will also drive the bump frame 29 to rotate, thereby driving the link 28 to move, so as to push the swing ear 27, so that the swing seat 24 on the swing shaft 18 can swing back and forth continuously, thereby driving the waste 37 to swing back and forth continuously, so as to continuously change the angle between the waste 37 and the crushing knife 36 during crushing, reduce the cutting length during crushing, and further reduce the direct contact surface between the crushing knife 36 and the waste 37 during crushing, so as to avoid excessive stress on the crushing knife 36. A carrying frame 5 is rotatably installed on the outer surface of the other bump frame 29. The end of the carrying frame 5 is fixed to the housing 1. A driving motor 2 is installed at the lower part of the side surface of the housing 1. The driving motor 2 is respectively connected to the other bump frame 29 and the crushing knife 36. A swing seat 24 is fixedly installed at one end of the swing shaft 18. A feeding member is installed at the end of the swing seat 24. The swing seat 24 serves as a connecting function.
[0019] A first belt 3 is connected between the output end of the drive motor 2 and the crushing knife 36. The first belt 3 serves to connect the drive motor 2 and the crushing knife 36 together. A transmission shaft 32 is rotatably mounted on the side of the carrier 5. Coaxial with the rear end of the transmission shaft 32 and the end of another convex frame 29 are inlaid with second bevel gears 31. The transmission shaft 32 serves for transmission. The two second bevel gears 31 mesh with each other, and the second bevel gears 31 serve to connect the transmission shaft 32 and another convex frame 29 together. A second belt 4 is connected between the output end of the drive motor 2 and the transmission shaft 32. The second belt 4 is located behind the first belt 3. The second belt 4 serves to connect the drive motor 2 and the transmission shaft 32 together.
[0020] The feeding member includes two first carriers 12 fixedly installed at both ends of the swing seat 24. Elastically installed on the sides of the two first carriers 12 are second carriers 13. Rotatably installed between the upper ends and between the lower ends of the two first carriers 12 are fixed pinch rollers 17. The first carriers 12 serve to carry the fixed pinch rollers 17. Rotatably installed between the upper ends and between the lower ends of the two second carriers 13 are movable pinch rollers 14. The second carriers 13 serve to carry the movable pinch rollers 14. The fixed pinch rollers 17 and the movable pinch rollers 14 can, on the one hand, clamp the scrap 37 so that the scrap 37 and the swing seat 24 can swing synchronously, and on the other hand, can push the scrap 37 so that the scrap 37 comes into contact with the crushing knife 36 for crushing.
[0021] Connected between one ends of the two movable pinch rollers 14 is a third belt 15. The third belt 15 serves to make the two movable pinch rollers 14 rotate synchronously. Connected between one ends of the two fixed pinch rollers 17 is a fourth belt 16. The fourth belt 16 serves to make the two fixed pinch rollers 17 rotate synchronously. Rotatably installed at the upper front part of the front second carrier 13 is a bearing shaft 35. Coaxial with the outer surface of the bearing shaft 35 and the other end of the upper movable pinch roller 14 are inlaid with transmission gears 23. The bearing shaft 35 serves to carry the transmission gears 23. The two transmission gears 23 mesh with each other. The transmission gears 23 serve to make the fixed pinch rollers 17 and the movable pinch rollers 14 rotate towards each other to push the scrap 37. Elastically installed at the lower front part of the front first carrier 12 is a guide post 8. Connected to the other end of the upper fixed pinch roller 17, the end of the bearing shaft 35, and the upper end of the guide post 8 are connecting pulleys 10. Connected between the three connecting pulleys 10 is a synchronous belt 38. The connecting pulleys 10 serve to connect the synchronous belt 38. The synchronous belt 38 serves to make the upper fixed pinch roller 17 and the bearing shaft 35 rotate synchronously.
[0022] An arc-shaped adaptation hole 26 is penetratingly formed at the rear edge of the side surface of the housing 1. A connecting and fixing frame 20 extends from the rear end of the swing seat 24. An arc-shaped baffle 19 is fixedly installed at the end of the connecting and fixing frame 20. The connecting and fixing frame 20 serves to fix the arc-shaped baffle 19. The middle part of the arc-shaped baffle 19 is slidably installed inside the arc-shaped adaptation hole 26. The arc-shaped baffle 19 can block the arc-shaped adaptation hole 26 to prevent the crushed scraps 37 from flying out during crushing. When the swing seat 24 swings, the output end of the servo motor 22 will move back and forth within the arc-shaped adaptation hole 26, so that the driving of the servo motor 22 will not be hindered. The rear end of the swing shaft 18 is fixedly installed with a motor frame 25. The servo motor 22 is fixedly installed at the end of the motor frame 25. The output end of the servo motor 22 passes through the middle part of the arc-shaped baffle 19. The motor frame 25 serves to fix the servo motor 22. The output end of the servo motor 22 is rotatably connected to the arc-shaped baffle 19. The output end of the servo motor 22 and the rear end of the lower fixed pinch roller 17 are both coaxially inlaid with a first bevel gear 21. The two first bevel gears 21 are meshed with each other. The servo motor 22 can drive the lower fixed pinch roller 17 to rotate through the first bevel gear 21.
[0023] A guide sleeve 6 is slidably installed on the outer surface of the guide post 8. The rear end of the guide sleeve 6 is fixed to the front first carrier seat 12. The guide sleeve 6 serves to carry the guide post 8. A convex block cap 7 is coaxially inlaid at the lower end of the guide post 8. The convex block cap 7 is slidably installed inside the guide sleeve 6. A tension spring 9 is wound around the outside of the guide post 8. The convex block cap 7 serves to be pushed by the tension spring 9. One end of the tension spring 9 is fixed to the upper end of the convex block cap 7, and the other end of the tension spring 9 is fixed to the upper end inside the guide post 8. The tension spring 9 will continuously deform to push the connecting pulley 10 at the end of the guide post 8, thereby pulling the synchronous belt 38. When the distance between the fixed pinch roller 17 and the movable pinch roller 14 changes continuously, the tension spring 34 can always be in a tensioned state for transmission, so that the fixed pinch roller 17 and the movable pinch roller 14 can always maintain a state of rotating towards each other to push the scraps 37.
[0024] A guide rod 11 extends from the middle of the side surface of the first carrier seat 12. The second carrier seat 13 is slidably installed on the outer surface of the guide rod 11. The guide rod 11 serves to guide the second carrier seat 13.
[0025] A tightening spring 34 is wound around the outer side of the guide rod 11. One end of the tightening spring 34 is fixed to one side of the second carrier 13, and the other end of the tightening spring 34 is fixed to the end of the guide rod 11. The tightening spring 34 will continuously deform, causing the distance between the fixed pinch roller 17 and the movable pinch roller 14 to continuously change, so as to flexibly adapt to clamping at different thickness positions on the scrap 37, enabling the scrap 37 to be driven to swing normally. A positioning cap 33 is coaxially inlaid on the outer surface of the guide rod 11. The positioning cap 33 serves to prevent the movable pinch roller 14 and the fixed pinch roller 17 from coming into contact, and the positioning cap 33 fits against the other side of the second carrier 13.
[0026] During processing, the scrap 37 is pushed into the housing 1 from the top. At this time, the scrap 37 enters between the movable pinch roller 14 and the fixed pinch roller 17. Meanwhile, the servo motor 22 drives the movable pinch roller 14 and the fixed pinch roller 17 to rotate towards each other to push the scrap 37. At this time, the driving motor 2 operates to drive the crushing knife 36 to rotate through the first belt 3 to crush and recycle the pushed scrap 37. At the same time, the driving motor 2 also drives the convex frame 29 to rotate, thereby driving the connecting rod 28 to move to push the swing ear 27, enabling the swing seat 24 on the swing shaft 18 to continuously swing back and forth, thereby driving the scrap 37 to continuously swing back and forth, so as to continuously change the angle between the scrap 37 and the crushing knife 36 during crushing, reduce the cutting length during crushing, and further reduce the direct contact area between the crushing knife 36 and the scrap 37 during crushing to avoid excessive force on the crushing knife 36. During this process, the tightening spring 34 will continuously deform, causing the distance between the fixed pinch roller 17 and the movable pinch roller 14 to continuously change, so as to flexibly adapt to clamping at different thickness positions on the scrap 37, enabling the scrap 37 to be driven to swing normally. At the same time, the tension spring 9 will continuously deform to push the connecting pulley 10 at the end of the guide post 8, thereby pulling the synchronous belt 38. When the distance between the fixed pinch roller 17 and the movable pinch roller 14 changes, the tightening spring 34 can always be in a tensioned state for transmission, enabling the fixed pinch roller 17 and the movable pinch roller 14 to always maintain a state of rotating towards each other to push the scrap 37.
[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.
Claims
1. An environmental protection type waste recycling equipment for processing plastic packing cases, including a housing (1) and a crushing knife (36) installed inside the housing (1), characterized in that: A swing shaft (18) is rotatably installed in the middle of the side surface of the housing (1). One end of the swing shaft (18) extends into the interior of the housing (1). A swing ear (27) extends from the lower part of the other end of the swing shaft (18). A connecting rod (28) is rotatably installed at the end of the swing ear (27). A connecting shaft (30) is rotatably installed through the end of the connecting rod (28). Convex frames (29) are inlaid at both ends of the connecting shaft (30). One of the convex frames (29) is rotatably connected to the housing (1). A bearing frame (5) is rotatably installed on the outer surface of the other convex frame (29). The end of the bearing frame (5) is fixed to the housing (1). A driving motor (2) is installed at the lower part of the side surface of the housing (1). The driving motor (2) is respectively connected to the other convex frame (29) and the crushing knife (36). A swing seat (24) is fixedly installed at one end of the swing shaft (18). A feeding member is installed at the end of the swing seat (24).
2. The waste recycling equipment for processing the corner materials of an environment-friendly plastic packing box according to claim 1, characterized in that: A first belt (3) is connected between the output end of the driving motor (2) and the crushing knife (36). A transmission shaft (32) is rotatably installed on the side surface of the bearing frame (5). Second helical gears (31) are coaxially inlaid at the rear end of the transmission shaft (32) and the end of the other convex frame (29). The two second helical gears (31) are meshed with each other. A second belt (4) is connected between the output end of the driving motor (2) and the transmission shaft (32). The second belt (4) is located behind the first belt (3).
3. An edge material recycling device for processing an environment-friendly plastic packing box according to claim 1, characterized in that: The feeding member includes two first carrier seats (12) fixedly installed at both ends of the swing seat (24). Second carrier seats (13) are elastically installed on the sides of the two first carrier seats (12). Fixed pinch rollers (17) are rotatably installed between the upper ends and the lower ends of the two first carrier seats (12). Movable pinch rollers (14) are rotatably installed between the upper ends and the lower ends of the two second carrier seats (13).
4. The waste recycling equipment for processing the corner materials of an environment-friendly plastic packing box according to claim 3, characterized in that: A third belt (15) is connected between one ends of the two movable pinch rollers (14). A fourth belt (16) is connected between one ends of the two fixed pinch rollers (17). A bearing shaft (35) is rotatably installed at the upper front part of the front second carrier seat (13). Transmission gears (23) are coaxially inlaid on the outer surface of the bearing shaft (35) and the other end of the upper movable pinch roller (14). The two transmission gears (23) are meshed with each other. A guide post (8) is elastically installed at the lower front part of the front first carrier seat (12). Connecting pulleys (10) are connected to the other end of the upper fixed pinch roller (17), the end of the bearing shaft (35), and the upper end of the guide post (8). A synchronous belt (38) is connected between the three connecting pulleys (10).
5. An edge material recycling device for processing an environment-friendly plastic packing box according to claim 3, characterized in that: An arc-shaped adaptation hole (26) is penetrated and provided at the rear edge of the side surface of the housing (1). A connecting and fixing frame (20) extends from the rear end of the swing seat (24). An arc-shaped baffle (19) is fixedly installed at the end of the connecting and fixing frame (20). The middle part of the arc-shaped baffle (19) is slidably installed inside the arc-shaped adaptation hole (26). A motor frame (25) is fixedly installed at the rear end of the swing shaft (18). A servo motor (22) is fixedly installed at the end of the motor frame (25). The output end of the servo motor (22) passes through the middle part of the arc-shaped baffle (19). The output end of the servo motor (22) is rotatably connected to the arc-shaped baffle (19). A first bevel gear (21) is coaxially inlaid at the output end of the servo motor (22) and the rear end of the lower fixed pinch roller (17). The two first bevel gears (21) are meshed with each other.
6. An edge material recycling device for processing an environment-friendly plastic packing box according to claim 4, characterized in that: A guide sleeve (6) is slidably installed on the outer surface of the guide post (8). The rear end of the guide sleeve (6) is fixed to the front first carrier seat (12). A convex block cap (7) is coaxially inlaid at the lower end of the guide post (8). The convex block cap (7) is slidably installed inside the guide sleeve (6). A tension spring (9) is wound around the outer side of the guide post (8). One end of the tension spring (9) is fixed to the upper end of the convex block cap (7). The other end of the tension spring (9) is fixed to the upper end inside the guide post (8).
7. An edge material recycling device for processing an environment-friendly plastic packing box according to claim 3, characterized in that: A guide rod (11) extends from the middle part of the side surface of the first carrier seat (12). The second carrier seat (13) is slidably installed on the outer surface of the guide rod (11).
8. An edge material recycling device for processing an environment-friendly plastic packing box according to claim 7, characterized in that: A pressing spring (34) is wound around the outer side of the guide rod (11). One end of the pressing spring (34) is fixed to one side of the second carrier seat (13). The other end of the pressing spring (34) is fixed to the end of the guide rod (11). A positioning cap (33) is coaxially inlaid on the outer surface of the guide rod (11). The positioning cap (33) is attached to the other side of the second carrier seat (13).
Citation Information
Patent Citations
Waste crushing device for plywood production
CN119608349A
Clamping roller for textile machinery
CN213976314U
Thick plate shearing edge cutting machine
CN221247114U
Adjustment means for roll crushers with gas hydraulic springs
US3938732A