Waste plastic bottle crushing device

By introducing a screening and sorting mechanism and a dust collection system into the waste plastic bottle crushing device, the problems of uneven particle size and dust diffusion have been solved, achieving efficient particle sorting and environmental protection, and improving recycling efficiency and production safety.

CN223701394UActive Publication Date: 2025-12-23TAIHE JUYUAN PLASTICS CO LTD
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Patent Information

Application Number
CN202423159868.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-23
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In existing waste plastic bottle crushing devices, uneven particle size leads to a decline in the quality and performance of recycled products, making sorting difficult. Impurities mixed in reduce recycling efficiency, while dust diffusion causes equipment blockage and environmental pollution, increasing maintenance and cleaning workload.

Method used

The system employs a screening and sorting mechanism and a dust collection system. The screw rod driven by the motor rotates to screen the particles, while the air pump absorbs the dust. The qualified particles and dust are processed separately to ensure particle uniformity and a clean environment.

Benefits of technology

It improves the uniformity and reuse efficiency of plastic granules, reduces dust pollution and equipment damage, reduces maintenance and cleaning workload, and ensures production continuity and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of waste plastic bottle treatment, and discloses a waste plastic bottle crushing device which comprises a box body, and a screening and sorting mechanism is arranged in the box body. And the screening and sorting mechanism comprises a first flow guide plate, a first motor and a coarse material pipe, the upper side wall of the first flow guide plate is fixedly connected to the top wall in the box body, and the bottom of the first flow guide plate is connected with an adapter pipe in a penetrating mode. According to the utility model, the sieving and sorting mechanism is arranged, so that the problems that the quality and the performance of recycled products are possibly influenced by waste plastic particles with non-uniform particle sizes, and the crushed plastic bottle particles cannot be accurately sorted can be solved; crushed plastic bottle particles flow into the transfer pipe from the first guide plate, so that impurities and foreign matters are effectively removed, the quality of the crushed plastic particles is ensured, the risk in the subsequent processing process is reduced, the recycling efficiency is improved, the environment is protected, and resources are saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to waste plastic bottle processing technical field, especially in kind of waste plastic bottle crushing device. BACKGROUND

[0002] Waste plastic bottle refers to the plastic bottle that is discarded after use, which can be a beverage bottle, a detergent bottle, a food bottle, a cosmetic bottle, etc. If it is not recycled or properly disposed of after use, it will become a waste plastic bottle.

[0003] The waste plastic bottle crushing device is used for crushing and processing waste plastic bottles. Its main function is to crush large plastic bottles into small particles or fine fragments for subsequent reprocessing, recycling or disposal. The plastic particles after crushing the waste plastic bottles contain large particles or foreign matter, which cannot effectively classify the waste plastic bottle particles, resulting in uneven particle size of the waste plastic particles that may affect the quality and performance of the recycled products, and the crushed plastic bottle particles cannot be accurately sorted, and the uneven particle size and impurities mixed will reduce the recycling efficiency of waste plastic. When the waste plastic bottles are poured into the crushing device and during the crushing process, a large amount of dust will be generated, which will spread to the surrounding environment with air flow, causing air pollution, blocking or damaging key components of the equipment, affecting the normal operation of the equipment, production interruption and increase in maintenance cost, which may make the workplace unclean, increase the workload of maintenance and cleaning. UTILITARIAN CONTENT

[0004] The main purpose of the utility model is to provide a waste plastic bottle crushing device, which can effectively solve the problem of uneven particle size of waste plastic particles that may affect the quality and performance of recycled products, and the problem of crushed plastic bottle particles that cannot be accurately sorted, uneven particle size and impurities mixed, which will reduce the recycling efficiency of waste plastic and cause blockage or damage to key components of the equipment, affect the normal operation of the equipment, production interruption and increase in maintenance cost, which may make the workplace unclean, increase the workload of maintenance and cleaning.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a waste plastic bottle crushing device, comprising a box body, a screening and sorting mechanism is arranged in the box body;

[0006] The screening mechanism comprises a first flow guide plate, a first motor and a coarse material pipe, the upper side wall of the first flow guide plate is fixedly connected to the inner top wall of the box body, an adapter pipe is connected through the bottom of the first flow guide plate, a protection box is arranged on the left side of the adapter pipe, the bottom of the protection box is fixedly connected to the inner bottom wall of the box body, the first motor is fixedly connected to the inside of the protection box, a connecting rod is fixedly connected to the output end of the first motor, a threaded rod is fixedly connected to the right end of the connecting rod through the adapter pipe, the other end of the threaded rod is rotatably connected to the inside of the coarse material pipe, a screen is fixedly connected to the right end of the adapter pipe, the other end of the screen is fixedly connected to the left side wall of the coarse material pipe, a top plate is arranged on the upper portion of the screen, a fine material pipe is fixedly connected to the bottom outer side of the screen.

[0007] Further, the top of the box body is connected to a feeding box in communication, the top wall of the box body is fixedly connected to a support plate, the upper side wall of the box body and the left side of the feeding box are provided with an air pump, the bottom of the air pump is threadedly connected to the upper side wall of the support plate, the front side wall of the feeding box is fixedly connected to a chain shell.

[0008] Further, the input end of the air pump is fixedly connected to a connecting pipe, the top end of the connecting pipe is connected to a conveying pipe in communication, the inner side wall of the conveying pipe is fixedly connected to the outer side wall of the feeding box, and the top of the conveying pipe is connected to a transition pipe in communication.

[0009] Further, the top end of the eight transition pipes is connected to a dust suction pipeline in communication, the bottom of the dust suction pipeline is fixedly connected to the upper side wall of the feeding box, the upper side wall of the dust suction pipeline is fixedly connected to a hopper, and the inner bottom wall of the hopper is fixedly connected to a second flow guide plate.

[0010] Further, the right portion of the upper side wall of the box body is fixedly connected to a device box, the inside of the device box is provided with a second motor, the right side wall of the device box is fixedly connected to a control panel, the output end of the second motor is fixedly connected to a connecting shaft, the front end outer side of the connecting shaft is fixedly connected to a first sprocket, the inside of the chain shell is provided with a chain, and the right side inside of the first sprocket is engaged with the chain.

[0011] Further, the front and rear side walls of the inside of the feeding box are rotatably connected to rotating rods, the outer sides of the two rotating rods are fixedly connected to crushing rollers, the front end of the right rotating rod is fixedly connected to a second sprocket, the left side inside of the second sprocket is engaged with the chain, the rear ends of the two rotating rods are fixedly connected to gears, and the two gears are engaged.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. This utility model, through its sieving and sorting mechanism, solves the problems that unevenly sized waste plastic particles may affect the quality and performance of recycled products, and that crushed plastic bottle particles cannot be accurately sorted. Uneven particle size and impurities reduce the recycling efficiency of waste plastics. The crushed plastic bottle particles flow from the first guide plate into the transfer tube, where a connecting rod on the output end of the first motor drives a threaded rod to rotate. This rotation causes the plastic bottle particles inside the transfer tube to rotate within the screen. During rotation, qualified plastic bottle particles flow through the screen into the fine material pipe at the bottom for discharge, while larger particles and impurities are carried by the threaded rod into the coarse material pipe for discharge, facilitating subsequent processing. This effectively removes impurities and foreign objects, ensures the quality of crushed plastic particles, reduces risks in subsequent processing, improves recycling efficiency, protects the environment, and saves resources.

[0014] 2. By installing an air pump, conveying pipe, transition pipe, and dust collection pipe, the system effectively addresses issues that can lead to blockages or damage to key components, disrupting normal equipment operation, causing production interruptions, increasing maintenance costs, and potentially making the workplace unclean, thus increasing maintenance and cleaning workload. Waste plastic bottles are poured into the hopper and guided by a second guide plate. Dust generated during the crushing of the bottles enters the dust collection pipe and is then drawn into the conveying pipe via the transition pipe. The air pump's input pipe connects to the conveying pipe to absorb dust from both the suction and conveying pipes. Finally, the air pump's output connects to an external dustproof box to store the collected dust for later unified processing. This effectively reduces the impact of dust on the working environment and production process, ensuring production efficiency and the health and safety of workers.

[0015] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a waste plastic bottle crushing device proposed in this utility model;

[0017] Figure 2 This is a cross-sectional view of the internal structure of the housing of a waste plastic bottle crushing device proposed in this utility model;

[0018] Figure 3 This is a structural diagram of the screening and sorting mechanism of a waste plastic bottle crushing device proposed in this utility model;

[0019] Figure 4 This is a diagram of the screen structure of a waste plastic bottle crushing device proposed in this utility model;

[0020] Figure 5 This is a cross-sectional view of the internal structure of the screening and sorting mechanism of a waste plastic bottle crushing device proposed in this utility model;

[0021] Figure 6 This is a structural diagram of the crushing roller of a waste plastic bottle crushing device proposed in this utility model;

[0022] Figure 7 This is a schematic diagram of the gears in a waste plastic bottle crushing device proposed in this utility model.

[0023] Legend:

[0024] 1. Housing; 2. Screening and sorting mechanism; 201. First guide plate; 202. Transfer pipe; 203. Protective box; 204. First motor; 205. Connecting rod; 206. Threaded rod; 207. Coarse material pipe; 208. Screen; 209. Top plate; 210. Fine material pipe; 3. Feed box; 4. Support plate; 5. Air pump; 6. Connecting pipe; 7. Conveying pipe; 8. Transition pipe; 9. Dust suction pipe; 10. Hopper; 11. Second guide plate; 12. Device box; 13. Control panel; 14. Chain housing; 15. Second motor; 16. Connecting shaft; 17. First sprocket; 18. Chain; 19. Second sprocket; 20. Rotating rod; 21. Crushing roller; 22. Gear. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] like Figure 1 - Figure 5 As shown: A waste plastic bottle crushing device includes a box 1, and a screening mechanism 2 is provided inside the box 1;

[0027] The screening mechanism 2 includes a first guide plate 201, a first motor 204, and a coarse material pipe 207. The upper side wall of the first guide plate 201 is fixedly connected to the inner top wall of the housing 1. The first guide plate 201, fixed to the bottom wall of the housing 1, allows waste plastic to fall precisely into the transfer pipe 202 for processing. The bottom of the first guide plate 201 is connected to the transfer pipe 202. A protective box 203 is provided on the left side of the transfer pipe 202. The bottom of the protective box 203 is fixedly connected to the inner bottom wall of the housing 1. The first motor 204 is fixedly connected inside the protective box 203 to protect the first motor 204 from external damage. A connecting rod 205 is fixedly connected to the output end of the first motor 204. The first motor 204 drives the connecting rod 205 to rotate, thereby driving the next device to rotate. The right end of the connecting rod 205 passes through the transfer pipe 202. A threaded rod 206 is fixedly connected to the coarse material pipe 207. The other end of the threaded rod 206 is rotatably connected to the inside of the coarse material pipe 207. The threaded rod 206 is rotated by a connecting rod 205. The other end of the threaded rod 206 rotates inside the coarse material pipe 207 to support the other end of the threaded rod 206. A screen 208 is fixedly connected to the right end of the transfer pipe 202. The threaded rod 206 rotates inside the screen 208 to screen waste plastic particles. The other end of the screen 208 is fixedly connected to the left side wall of the coarse material pipe 207. Larger particles are discharged through the coarse material pipe 207. A top plate 209 is provided on the upper part of the screen 208 to discharge qualified particles. A fine material pipe 210 is fixedly connected to the bottom outer side of the screen 208. The fine material pipe 210 is located on the top of the screen 208 to prevent it from flowing out from the top during filtration.

[0028] like Figure 1 - Figure 7 As shown, the top of the box 1 is connected to the feed box 3, through which waste plastic is poured into the box 1. The top wall of the box 1 is fixedly connected to the support plate 4. The upper side wall of the box 1 and the left side of the feed box 3 are provided with an air pump 5. The bottom of the air pump 5 is threaded to the upper side wall of the support plate 4. The air pump 5 is fixed to the upper side wall of the box 1 by fixing it to the support plate 4. The front side wall of the feed box 3 is fixedly connected to the chain shell 14, which is used to protect the internal device.

[0029] like Figure 1 - Figure 7As shown, a connecting pipe 6 is fixedly connected to the input end of the air pump 5. Dust is discharged into the air pump 5 through the connecting pipe 6 at the input end of the air pump 5, and then discharged through the output end of the air pump 5. A conveying pipe 7 is connected to the top end of the connecting pipe 6. The connecting pipe 6 is connected to the conveying pipe 7 to suck up the dust in the conveying pipe 7. The inner side wall of the conveying pipe 7 is fixedly connected to the outer side wall of the feed box 3. The top of each of the eight conveying pipes 7 is connected to a transition pipe 8. The top ends of the eight transition pipes 8 are connected to each other. A dust collection pipe 9 is connected to the upper side wall of the feed box 3. The dust generated during the pouring and crushing of waste plastic is absorbed through the dust collection pipe 9. The absorbed dust is transferred to the conveying pipe 7 through the transition pipe 8. A hopper 10 is fixedly connected to the upper side wall of the dust collection pipe 9. A second guide plate 11 is fixedly connected to the bottom wall of the inner wall of the hopper 10. The second guide plate 11 guides the waste plastic to prevent it from being sucked into the dust collection pipe 9 and to prevent blockage.

[0030] like Figure 1 - Figure 7 As shown, a device box 12 is fixedly connected to the right side of the upper side wall of the housing 1. A second motor 15 is installed inside the device box 12, which protects the second motor 15. A control panel 13 is fixedly connected to the right side wall of the device box 12, which controls the entire device and connects it to an external power source. A connecting shaft 16 is fixedly connected to the output end of the second motor 15, driving the connecting shaft 16 to rotate. A first sprocket 17 is fixedly connected to the outer front end of the connecting shaft 16, driving the first sprocket 17 to rotate. A chain 18 is installed inside the chain housing 14, providing external protection for the chain 18. The first sprocket 17 meshes with the inner right side of the chain 18, driving the chain 18 to rotate. The feed box... Rotating rods 20 are rotatably connected to the front and rear side walls of the inner part of the feed box 3. Crushing rollers 21 are fixedly connected to the outer sides of the two rotating rods 20. The crushing rollers 21 crush the waste plastic. The front end of the right rotating rod 20 is fixedly connected to a second sprocket 19. The second sprocket 19 meshes with the left side of the chain 18. The chain 18 drives the rotating rod 20 to rotate, and the chain 18 drives the second sprocket 19 to rotate. The rotating second sprocket 19 drives the rotating rod 20 to rotate inside the feed box 3, and drives the crushing rollers 21 to rotate, thus crushing the waste plastic. The rear ends of the two rotating rods 20 are fixedly connected to gears 22. The two gears 22 mesh with each other. The rear ends of the rotating rods 20 drive the gears 22 to rotate. The rotation of one gear 22 meshes with the other gear 22, and drives the left rotating rod 20 and the crushing rollers 21 to rotate.

[0031] It should be noted that this utility model is a waste plastic bottle crushing device, which first connects the second motor 15, the first motor 204, and the control panel 13 to an external power source.

[0032] After the waste plastic bottles are poured into the hopper 10, they are guided by the second guide plate 11 to prevent them from being sucked into the dust collection pipe 9. When the waste plastic bottles are crushed, the dust generated will enter the dust collection pipe 9 and then be sucked into the conveying pipe 7 through the transition pipe 8. The air pump 5 is connected to the conveying pipe 7 through the connecting pipe 6 at the input end to absorb the dust from the dust collection pipe 9 and the conveying pipe 7. The air pump 5 is then connected to an external dustproof box to store the absorbed dust for later unified processing.

[0033] After being poured into the feed box 3, the first sprocket 17 will be driven to rotate via the connecting shaft 16 on the second motor 15, and will mesh with the chain 18 to drive the chain 18 to rotate. The other side of the rotating chain 18 will mesh with the second sprocket 19, and drive the rotating rod 20 to rotate inside the feed box 3. The rear end of the rotating rod 20 will drive the gear 22 to rotate. One gear 22 will mesh with another gear 22, and drive the left rotating rod 20 and the crushing roller 21 to rotate, thereby crushing the waste plastic.

[0034] After crushing, the crushed waste plastic bottle particles flow from the first guide plate 201 into the transfer pipe 202. Then, the connecting rod 205 on the output end of the first motor 204 drives the threaded rod 206 to rotate, which in turn causes the plastic bottle particles that have fallen into the transfer pipe 202 to rotate inside the screen 208. During rotation, qualified plastic bottle particles will flow through the screen 208 into the fine material pipe 210 at the bottom for discharge, while larger particles and impurities will be carried through the threaded rod 206 into the coarse material pipe 207 for discharge, facilitating subsequent processing.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A waste plastic bottle crushing device, comprising a housing (1), characterized in that: The box (1) is equipped with a screening and sorting mechanism (2) inside; The screening and sorting mechanism (2) includes: a first guide plate (201), a first motor (204), and a coarse material pipe (207). The upper side wall of the first guide plate (201) is fixedly connected to the inner top wall of the housing (1). A transfer pipe (202) is connected through the bottom of the first guide plate (201). A protective box (203) is provided on the left side of the transfer pipe (202). The bottom of the protective box (203) is fixedly connected to the inner bottom wall of the housing (1). The first motor (204) is fixedly connected inside the protective box (203). The output end of the tube is fixedly connected to a connecting rod (205). The right end of the connecting rod (205) passes through the adapter tube (202) and is fixedly connected to a threaded rod (206). The other end of the threaded rod (206) is rotatably connected to the inside of the coarse material tube (207). The right end of the adapter tube (202) is fixedly connected to a screen (208). The other end of the screen (208) is fixedly connected to the left side wall of the coarse material tube (207). The upper part of the screen (208) is provided with a top plate (209). The bottom outer side of the screen (208) is fixedly connected to a fine material tube (210).

2. The waste plastic bottle crushing device according to claim 1, characterized in that: The top of the box (1) is connected to the feed box (3), and the top wall of the box (1) is fixedly connected to the support plate (4). An air pump (5) is provided on the upper side wall of the box (1) and the left side of the feed box (3). The bottom of the air pump (5) is threadedly connected to the upper side wall of the support plate (4). A chain shell (14) is fixedly connected to the front side wall of the feed box (3).

3. The waste plastic bottle crushing device according to claim 2, characterized in that: The input end of the air pump (5) is fixedly connected to a connecting pipe (6), and the top end of the connecting pipe (6) is connected to a conveying pipe (7). The inner side wall of the conveying pipe (7) is fixedly connected to the outer side wall of the feed box (3), and the top of the conveying pipe (7) is connected to a transition pipe (8).

4. The waste plastic bottle crushing device according to claim 3, characterized in that: The top ends of the eight transition pipes (8) are connected to a dust suction pipe (9), the bottom of the dust suction pipe (9) is fixedly connected to the upper side wall of the feed box (3), the upper side wall of the dust suction pipe (9) is fixedly connected to a hopper (10), and the inner bottom wall of the hopper (10) is fixedly connected to a second guide plate (11).

5. The waste plastic bottle crushing device according to claim 2, characterized in that: A device box (12) is fixedly connected to the upper right side wall of the box (1). A second motor (15) is installed inside the device box (12). A control panel (13) is fixedly connected to the right side wall of the device box (12). A connecting shaft (16) is fixedly connected to the output end of the second motor (15). A first sprocket (17) is fixedly connected to the outer front end of the connecting shaft (16). A chain (18) is installed inside the chain housing (14). The first sprocket (17) meshes with the inner right side of the chain (18).

6. The waste plastic bottle crushing device according to claim 2, characterized in that: The feed box (3) has rotating rods (20) rotatably connected to both the front and rear side walls. Crushing rollers (21) are fixedly connected to the outer sides of the two rotating rods (20). A second sprocket (19) is fixedly connected to the front end of the right rotating rod (20). The second sprocket (19) meshes with the left side of the chain (18). Gears (22) are fixedly connected to the rear ends of the two rotating rods (20). The two gears (22) mesh with each other.