PET sheet corner waste recycling and crushing device

Abstract

This utility model relates to a related field, specifically disclosing a crushing device for recycling and reusing PET sheet scrap, including a PET sheet scrap crusher and a shredder screening machine. The PET sheet scrap crusher has a sheet scrap leveling roller and crushing blades rotatably connected internally. A recycling trough is provided at the top of the PET sheet scrap crusher and communicates with its interior. First support frames are fixedly connected to both sides of the PET sheet scrap crusher, and a feeding trough is fixedly connected to the bottom surface of the PET sheet scrap crusher. This utility model integrates the shredder screening machine and the PET sheet scrap crusher into a single structure. This structure allows the recycled PET sheet scrap to undergo both crushing and screening processes sequentially. The integrated design saves space, simplifies the operation process, and effectively improves the efficiency of PET sheet scrap recycling. Its core purpose is to crush the scrap into small particles suitable for reuse.

Description

Technical Field

[0001] This utility model relates to the field of PET sheet processing equipment, specifically a crushing device for recycling and reusing PET sheet scraps. Background Technology

[0002] PET sheet is a thermoplastic sheet made of polyethylene terephthalate. It is transparent, durable, and recyclable, and is widely used in packaging, electronics, medical and other fields. PET sheet is a sheet-like processed product of polyethylene terephthalate, chemically known as polyethylene terephthalate, commonly known as polyester resin. Due to its comprehensive performance advantages, PET sheet occupies an important position in many fields, while its environmental friendliness is improved through sustainable development technologies. For example, the authorized patent with publication number CN222628316U (Plastic Sheet Scrap Recycling Device) includes a box body; The existing technology described above uses a quantitative cylinder to recycle scrap materials and weighs them quantitatively, solving the problem of recycling and reusing sheet materials. However, the weighing process is not very meaningful. Generally, the recycled scrap materials need to be crushed by equipment. In the case of single crushing, the crushed scrap materials will have uneven particle size. When reusing, the larger particles will affect the quality of sheet processing. Therefore, there is an urgent need in the market to develop a crushing device for recycling and reusing PET sheet scrap materials to help people solve the existing problems. Summary of the Invention

[0003] The purpose of this invention is to provide a crushing device for recycling and reusing PET sheet scraps, in order to solve the problem mentioned in the background art that the scraps after recycling usually need to be crushed by equipment. In the case of single crushing, the scraps will produce uneven particles. When reused, the larger particles will affect the quality of sheet processing.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a PET A PET sheet scrap recycling and reuse crushing device includes a PET sheet scrap crusher and a scrap screening machine. The PET sheet scrap crusher has a sheet scrap leveling roller and crushing blades rotatably connected internally. A recycling trough is located at the top of the PET sheet scrap crusher and communicates with its interior. First support frames are fixedly connected to both sides of the PET sheet scrap crusher. A feeding trough is fixedly connected to the bottom of the PET sheet scrap crusher. The scrap screening machine is embedded below the PET sheet scrap crusher. A screen is fixedly connected to the inner wall of the scrap screening machine. A qualified particle scrap output port is fixedly connected to one end of the bottom surface of the scrap screening machine. A large particle scrap output port is fixedly connected to one end of one side of the scrap screening machine. Second support frames are fixedly connected to both sides of the scrap screening machine. A vibrating motor is bolted to the other end of the bottom surface of the scrap screening machine. A cleaning cover is fixedly connected to the front end of the PET sheet scrap crusher.

[0005] In a further embodiment, the top of the second support frame is provided with a shock-absorbing spring, and the top of the shock-absorbing spring is connected to the crushing and screening machine through a fixing ear, wherein the fixing ear is welded and fixedly connected to both sides of the crushing and screening machine.

[0006] In a further embodiment, a limiting plate is welded to the inner wall of the crushing and screening machine at the same position as the feeding trough, and the bottom surface of the feeding trough is embedded and connected to the limiting plate.

[0007] In a further embodiment, a pump base is fixedly connected to one side of the first support frame, and a conveying pump is provided above the pump base. The inlet end of the conveying pump is fixedly connected to the output port of large particle crushed material through a conveying pipe, and the conveying pipe is fixed to one side of the first support frame through a positioning sleeve. The outlet end of the conveying pump is fixedly connected to the recycling tank through a discharge pipe.

[0008] In a further embodiment, the inner wall of the PET sheet scrap crusher is fixedly connected to guide blocks on both sides of the sheet scrap leveling roller, and the cross-section of the guide blocks is set as a triangular structure.

[0009] In a further embodiment, a feed hopper is fixedly connected to one end of the recycling tank, and the rear end face of the recycling tank is designed as a downward sloping surface.

[0010] Compared with the prior art, the beneficial effects of this utility model are: This utility model integrates a crushing and screening machine with a PET sheet scrap crusher into a single structure. This structure allows recycled PET sheet scraps to undergo two processes: crushing and screening. The integrated design saves space, simplifies the operation process, and effectively improves the efficiency of PET sheet scrap recycling. Its core purpose is to crush the scraps into small particles suitable for reuse. The crushing and screening machine can separate out unqualified large particles, which are then transported back to the recycling tank for secondary processing via a conveying pump. This process eliminates multiple processing steps, crushing the scraps into the required qualified particles in one step, facilitating the reuse of PET sheet scraps. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of a PET sheet scrap recycling and crushing device according to the present invention; Figure 2 This is a schematic diagram of the internal structure of the PET sheet scrap crusher of this utility model; Figure 3 This is a front view of a PET sheet scrap recycling and crushing device according to the present invention; Figure 4 This is a side view of a PET sheet scrap recycling and crushing device according to the present invention; Figure 5 This is a schematic diagram of the cross-sectional structure of the PET sheet scrap crusher of this utility model.

[0012] In the diagram: 1. PET sheet scrap crusher; 2. Recycling trough; 3. Feed hopper; 4. Unblocking cover; 5. Discharge chute; 6. Crusher; 7. Screen; 8. Limiting plate; 9. Fixing lug; 10. Second support frame; 11. Qualified particle crushing outlet; 12. Vibrating motor; 13. Shock-absorbing spring; 14. First support frame; 15. Sheet scrap leveling roller; 16. Crushing blade; 17. Discharge pipe; 18. Feed pump; 19. Feed pipe; 20. Pump base; 21. Positioning sleeve; 22. Large particle crushing outlet; 23. Guide block. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0014] Please see Figure 1-5This utility model provides an embodiment of a PET sheet scrap recycling and reuse crushing device, including a PET sheet scrap crusher and a scrap screening machine 6. The PET sheet scrap crusher 1 is internally rotatably connected to a sheet scrap leveling roller 5 and a crushing blade 6. The top of the PET sheet scrap crusher 1 is provided with a recycling trough 2, which communicates with its interior. First support frames 4 are fixedly connected to both sides of the PET sheet scrap crusher 1. A feeding trough 5 is fixedly connected to the bottom surface of the PET sheet scrap crusher 1. The scrap screening machine 6 is embedded and installed below the PET sheet scrap crusher 1. A screen 7 is fixedly connected to the inner wall of the scrap screening machine 6. A qualified particle scrap output port 1 is fixedly connected to one end of the bottom surface of the scrap screening machine 6. A large particle scrap output port 22 is fixedly connected to one end of one side of the scrap screening machine 6. Second support frames 10 are fixedly connected to both sides of the scrap screening machine 6. The other end of the bottom surface of the scrap screening machine 6 is bolted to… A vibrating motor 2 is connected to the front end of the PET sheet scrap crusher 1, and a cleaning cover 4 is fixedly connected to it. The sheet scrap leveling roller 5 is used to roll and flatten the scrap, making it easier for the crushing blade 6 to crush it. The crushing blade 6 is used to cut and crush the scrap. The scrap is recycled and buffered through the recycling trough 2. The first support frame 4 is used to support and fix the connection height between the PET sheet scrap crusher and the ground. The crushed scrap is discharged into the crushing screening machine 6 through the feeding chute 5. The crushing screening machine 6 is used to screen the scrap. The qualified scrap is discharged through the qualified particle output port 1 and the unqualified scrap is discharged through the large particle output port 22. The second support frame 10 is used to support and fix the connection height between the crushing screening machine 6 and the ground. The cleaning cover 4 is used to open the front end of the PET sheet scrap crusher 1 for cleaning the inside.

[0015] The top of the second support frame 10 is provided with a shock-absorbing spring 13, and the top of the shock-absorbing spring 13 is connected to the crushing and screening machine 6 through a fixing ear 9. The fixing ear 9 is welded and fixedly connected to both sides of the crushing and screening machine 6. The shock-absorbing spring 13 is used to coordinate the connection position between the second support frame 10 and the crushing and screening machine 6.

[0016] A limiting plate 8 is welded to the inner wall of the crushing and screening machine 6 at the same position as the feeding trough 5, and the bottom surface of the feeding trough 5 is embedded and connected to the limiting plate 8. The limiting plate 8 is used to limit and position the bottom of the feeding trough 5.

[0017] A pump base 20 is fixedly connected to one side of the first support frame 14. A conveying pump 18 is provided above the pump base 20. The inlet end of the conveying pump 18 is fixedly connected to the large particle crushing outlet 22 through the conveying pipe 19. The conveying pipe 19 is fixed to one side of the first support frame 14 through the positioning sleeve 21. The outlet end of the conveying pump 18 is fixedly connected to the recycling tank 2 through the discharge pipe 17. The conveying pump 18 is used to convey unqualified crushing materials from bottom to top.

[0018] The inner wall of the PET sheet scrap crusher is fixedly connected to both sides of the sheet scrap leveling roller 15 with guide blocks 23. The cross section of the guide blocks 23 is set as a triangular structure. The guide blocks 23 are used to guide and position the scraps to the downward concentration position.

[0019] One end of the recycling tank 2 is fixedly connected to the feed hopper 3, and the rear end face of the recycling tank 2 is set as a downward slope structure. The feed hopper 3 is used to pour the scraps into the recycling tank 2.

[0020] Working principle: During use, PET sheet scraps are placed in the recycling tank 2 through the feed hopper 3. The scraps are squeezed and flattened by the sheet scrap leveling roller 15 and conveyed downwards. They are then crushed by the crushing blade 16 and discharged through the discharge chute 5 into the crushing and screening machine 6. The mechanical structure inside the vibrating motor 12 converts the rotational motion into non-vibration, thereby driving the crushing and screening machine 6 to work. The crushed scraps are screened through the screen 7. Qualified particles are discharged through the qualified particle crushing output port 11, and unqualified particles are discharged through the large particle crushing output port 22 into the conveying pipe 19. The conveying pump 18 then conveys them upwards into the discharge pipe 17 and discharges them into the recycling tank 2 for secondary crushing.

[0021] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A PET sheet scrap recycling and reuse crushing device, comprising a PET sheet scrap crusher (1) and a scrap screening machine (6), characterized in that: The PET sheet scrap crusher (1) has a sheet scrap leveling roller (15) and a crushing blade (16) rotatably connected inside. The top of the PET sheet scrap crusher (1) is equipped with a recycling trough (2) that communicates with its interior. First support frames (14) are fixedly connected to both sides of the PET sheet scrap crusher (1). A feeding trough (5) is fixedly connected to the bottom surface of the PET sheet scrap crusher (1). The crushing screening machine (6) is embedded and installed below the PET sheet scrap crusher (1). The inner wall of the crushing screening machine (6) is fixedly connected with a screen (7), one end of the bottom surface of the crushing screening machine (6) is fixedly connected with a qualified particle crushing outlet (11), one end of one side of the crushing screening machine (6) is fixedly connected with a large particle crushing outlet (22), the two sides of the crushing screening machine (6) are fixedly connected with a second support frame (10), the other end of the bottom surface of the crushing screening machine (6) is bolted with a vibration motor (12), and the front end of the PET sheet scrap crusher (1) is fixedly connected with a cleaning cover (4).

2. The PET sheet scrap recycling and crushing device according to claim 1, characterized in that: The top of the second support frame (10) is provided with a shock-absorbing spring (13), and the top of the shock-absorbing spring (13) is connected to the crushing screening machine (6) through a fixing ear (9). The fixing ear (9) is welded and fixedly connected to both sides of the crushing screening machine (6).

3. The PET sheet scrap recycling and crushing device according to claim 1, characterized in that: A limiting plate (8) is welded to the inner wall of the crushing and screening machine (6) at the same position as the feeding trough (5), and the bottom surface of the feeding trough (5) is inlaid and connected to the limiting plate (8).

4. The PET sheet scraps recycling and crushing device according to claim 1, characterized in that: A pump seat (20) is fixedly connected to one side of the first support frame (14). A conveying pump (18) is provided above the pump seat (20). The inlet end of the conveying pump (18) is fixedly connected to the large particle crushing outlet (22) through the conveying pipe (19). The conveying pipe (19) is fixed to one side of the first support frame (14) through the positioning sleeve (21). The outlet end of the conveying pump (18) is fixedly connected to the recycling tank (2) through the discharge pipe (17).

5. The PET sheet scrap recycling and crushing device according to claim 1, characterized in that: The inner wall of the PET sheet scrap crusher (1) is fixedly connected to the two sides of the sheet scrap leveling roller (15) with guide blocks (23), and the cross section of the guide blocks (23) is set as a triangular structure.

6. The PET sheet scrap recycling and crushing device according to claim 1, characterized in that: One end of the recycling tank (2) is fixedly connected to the feed hopper (3), and the rear end face of the recycling tank (2) is set as a downward inclined surface structure.

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