A recycled plastic sorting device

By designing a combination of a vibration mechanism and an optical sorter for the recycled plastic sorting device, the problem of low sorting accuracy caused by residual moisture inside plastic bottles was solved, achieving efficient and accurate sorting of plastic bottle materials.

CN120572662BActive Publication Date: 2026-06-05JIANGSU XINYUAN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202510925311.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-07-05
Publication Date
2026-06-05
Estimated Expiration
2045-07-05

AI Technical Summary

Technical Problem

In existing technologies, residual moisture in plastic bottles can lead to reduced sorting accuracy, and manual processing is inefficient.

Method used

Design a recycled plastic sorting device, including a vibration mechanism, an anti-clogging mechanism, an auxiliary mechanism, a water collection mechanism, and a flow guiding mechanism. The vibration mechanism drains water from the plastic bottles to prevent clogging, and the material is sorted by a light sorter.

Benefits of technology

It improves the sorting accuracy and efficiency of plastic bottles, reduces the need for manual handling, ensures the detection accuracy of optical sorters, and avoids water pollution of the environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of plastic recycling, and discloses a regenerated plastic sorting device, which comprises a support, a first conveying belt is installed on the top of the support through a roller, a light selector is installed at the front end of the first conveying belt, a second conveying belt is installed on one side of the light selector, a top cover is fixedly connected to the top of the support, a plurality of extension plates are fixedly connected to the surface of the first conveying belt, a thorn needle is fixedly connected to the top of each extension plate, an L-shaped rod is arranged on the top of the first conveying belt, the regenerated plastic sorting device further comprises a rotating rod and a push plate, and a vibrating mechanism is arranged on the outer side of the first conveying belt. The regenerated plastic sorting device can pre-treat the residual moisture in the recycled plastic bottle, and can be combined with the optical detection and sorting of the light selector, so that the influence of the moisture in the plastic bottle on the detection quality is avoided, and the difficulty of sorting the plastic bottle by the light selector due to the gravity of the plastic bottle caused by the existence of the moisture is prevented.
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Description

Technical Field

[0001] This invention relates to the field of plastic recycling technology, and more particularly to a recycled plastic sorting device. Background Technology

[0002] With increasing environmental awareness and growing resource scarcity, plastic recycling has become an important issue in today's society. In the process of plastic recycling, how to efficiently and accurately classify and sort recycled plastics has become one of the key factors restricting the development of the plastic recycling industry. Traditional plastic sorting methods mostly rely on manual operation, which is not only inefficient but also difficult to guarantee sorting accuracy. Developing an automated and intelligent recycled plastic sorting device is of great significance for improving the efficiency and quality of plastic recycling.

[0003] Traditional recycled plastic sorting equipment typically uses manual methods to sort plastic bottles. Since the bottles are cleaned after recycling or retain residual moisture, pre-treatment of this moisture is necessary before sorting. Manually removing the caps and emptying the water is labor-intensive and resource-intensive. While some factories use optical sorters, the moisture in the bottles can significantly affect the sorting data, compromising the accuracy of material detection. Furthermore, the residual moisture increases the bottle's weight, making it difficult for the optical sorter to move it, resulting in different types of bottles being sorted into the same area and reducing the sorting accuracy. Summary of the Invention

[0004] The technical problem to be solved by the present invention is that the existing technology has the disadvantage that the plastic bottles are prone to retaining moisture, which is not conducive to sorting. To this end, we propose a recycled plastic sorting device.

[0005] To achieve the above objectives, this application adopts the following technical solution: a recycled plastic sorting device, including a support frame, a first conveyor belt mounted on the top of the support frame via rollers, a light separator mounted at the front end of the first conveyor belt, a second conveyor belt mounted on one side of the light separator, a top cover fixedly connected to the top of the support frame, a plurality of extension plates fixedly connected to the surface of the first conveyor belt, needles fixedly connected to the top of the extension plates, and an L-shaped rod provided on the top of the first conveyor belt; the recycled plastic sorting device also includes a rotating rod and a push plate.

[0006] A vibration mechanism is provided on the outer side of the first conveyor belt. The vibration mechanism drives the L-shaped rod to move up and down repeatedly to generate an upward thrust. At the same time, the L-shaped rod moves back and forth repeatedly when it moves up and down, pushing the recycled plastic on the surface of the L-shaped rod forward.

[0007] An anti-blocking mechanism is connected to a vibration mechanism so that the rotating rod rotates clockwise in the gap between the needles, pushing the object on the surface of the L-shaped rod forward for cleaning.

[0008] An auxiliary mechanism is connected to the vibration mechanism to enable the push plate to move back and forth repeatedly, pushing the object at the rear end of the L-shaped rod forward and preventing the material from flowing in the opposite direction on the surface of the L-shaped rod.

[0009] A water collection mechanism that can store water flowing out of the plastic bottle;

[0010] The diversion mechanism receives and diverts water stored in the water collection mechanism to prevent water from polluting the ground.

[0011] Preferably, the vibration mechanism includes:

[0012] The motor has a disc fixedly connected to its output end. A first rotating plate is fixedly connected to the surface of the disc. Limiting blocks are fixedly connected to both sides of the bracket. A lifting plate is slidably connected to the surface of the limiting blocks. A sliding groove is provided at the bottom of the lifting plate. A central rod is rotatably connected to both sides of the bracket via a rotating shaft. A first connecting rod is rotatably connected to the bottom of the central rod. The other end of the first connecting rod is rotatably connected to the top of the first rotating plate via a shaft. A second connecting rod is rotatably connected to the top of the central rod. A sliding plate is rotatably connected to the other end of the second connecting rod. The surface of the sliding plate is slidably connected to the inner wall of the top of the lifting plate. A frame is fixedly connected to one side of the sliding plate. Several L-shaped rods are fixedly connected to the inner wall of the frame.

[0013] Preferably, the anti-blocking mechanism includes:

[0014] A transmission rod is provided, with one end of the transmission rod rotatably connected to the top of the first rotating plate via a shaft, and the other end of the transmission rod rotatably connected to the second rotating plate via a rotating shaft. Three long rods are rotatably connected inside the top cover, and several of the rotating rods are fixedly connected to the surface of the long rods. Two of the second rotating plates are fixedly connected to one of the long rods. Synchronous pulleys are fixedly connected to both ends of the surface of the long rods, and a transmission belt is meshed with the surface of the synchronous pulleys.

[0015] Preferably, the auxiliary mechanism includes:

[0016] The U-shaped frame is fixedly connected to the rear end of the push plate and slidably connected to the rear end of the frame. Long grooves are provided on both sides of the inner wall of the top cover. Protruding columns are fixedly connected to both sides of the push plate and slidably connected to the inner wall of the long grooves.

[0017] Preferably, the water collection mechanism includes:

[0018] A sealing pad is fixedly connected to both ends of the surface of the first conveyor belt. The sealing pad is made of silicone material. Two sealing pads are placed at both ends of the respective extension plates, and a water collection trough is formed between several extension plates through the sealing pads.

[0019] Preferably, the flow guiding mechanism includes:

[0020] A receiving box is fixedly connected to the inner wall of the bracket, and a guide pipe is fixedly connected to the bottom of the receiving box. The receiving box is placed at the bottom of the water collection tank.

[0021] Preferably, the disc is fixedly connected to the output end of the motor by an eccentric shaft, and the bottom of the first rotating plate rotates around the motor.

[0022] Preferably, the top of the frame and the bottom of the top cover have a gap, and the bottom of the rotating rod abuts against the surface of the L-shaped rod.

[0023] The technical effects and advantages of this invention are as follows:

[0024] In this invention, plastic bottles processed by a vibration mechanism are transported via a first conveyor belt to a second conveyor belt, which then transports the bottles to a light sorter. The light sorter uses optical detection to analyze the material of the plastic bottles flowing on the surface of the second conveyor belt. The bottles then fall downwards from the surface of the second conveyor belt. During the fall, transparent bottles are blown forward by a pneumatic device to another conveyor belt, while colored bottles fall directly to the bottom conveyor belt. Different types of plastic bottles are transported via the two conveyor belts to complete the sorting of recycled plastic bottle raw materials for the next step of recycled plastic processing.

[0025] In this invention, an L-shaped rod pushes a plastic bottle upwards and then downwards. Utilizing the fact that residual moisture in the bottle makes it heavier, the bottle falls onto a needle surface, where the needle pierces the bottle, creating a hole that allows the remaining moisture to drain. The L-shaped rod then moves repeatedly, causing the bottle to vibrate and further increasing the efficiency of moisture drainage. This prevents residual moisture from affecting subsequent processing and sorting of the bottle during cleaning or recycling.

[0026] In this invention, a rotating rod strikes the popped-up plastic bottle, causing it to fall quickly and make contact with the needle to create a hole. The rotating rod then rotates and is positioned in the gap between the raised L-shaped rod. The rotation of the rotating rod pushes any stuck objects in the gap forward, preventing material from accumulating and clogging inside the L-shaped rod. Simultaneously, the rotation of the rotating rod propels the material forward, further increasing the forward movement speed of the plastic bottle on the first conveyor belt surface. Furthermore, the rotating rod and the L-shaped rod create pressure on the plastic bottle, squeezing out moisture from the bottle through the hole.

[0027] In this invention, the plastic bottle on the surface of the L-shaped rod is pushed forward by the push plate moving back and forth repeatedly, which avoids the plastic bottle from piling up when it is put into the rear end of the L-shaped rod and failing to make contact with the needle so that it can be properly driven forward by the needle. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0029] Figure 2 This is a bottom view of the bottom structure of the present invention;

[0030] Figure 3 This is a cross-sectional view of the internal structure of the present invention;

[0031] Figure 4 This is an exploded view of the top structure of the present invention;

[0032] Figure 5 For the present invention Figure 4 Enlarged view of the structure at point A in the middle;

[0033] Figure 6 This is an exploded view of the vibration mechanism of the present invention.

[0034] Legend: 1. Support frame; 2. First conveyor belt; 3. Optical separator; 4. Second conveyor belt; 5. Top cover; 6. Extension plate; 7. Needle; 8. L-shaped rod; 9. Rotating rod; 10. Push plate; 11. Motor; 12. Disc; 13. First rotating plate; 14. Limiting block; 15. Lifting plate; 16. Slide groove; 17. Center rod; 18. First connecting rod; 19. Second connecting rod; 20. Slide plate; 21. Frame; 22. Transmission rod; 23. Second rotating plate; 24. Long rod; 25. Synchronous pulley; 26. Transmission belt; 27. U-shaped frame; 28. Long groove; 29. ​​Protruding column; 30. Sealing pad; 31. Water collection tank; 32. Receiving box; 33. Guide pipe. Detailed Implementation

[0035] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the invention in a schematic manner, and therefore only show the components relevant to the invention.

[0036] Reference Figures 1-6As shown, the present invention provides a technical solution: a recycled plastic sorting device, including a support 1, a first conveyor belt 2 mounted on the top of the support 1 via rollers, a light sorter 3 mounted at the front end of the first conveyor belt 2, a second conveyor belt 4 mounted on one side of the light sorter 3, a top cover 5 fixedly connected to the top of the support 1, a plurality of extension plates 6 fixedly connected to the surface of the first conveyor belt 2, a needle 7 fixedly connected to the top of the extension plates 6, an L-shaped rod 8 provided on the top of the first conveyor belt 2, and the recycled plastic sorting device also includes a rotating rod 9 and a push plate 10;

[0037] A vibration mechanism is provided on the outer side of the first conveyor belt 2. The vibration mechanism drives the L-shaped rod 8 to move up and down repeatedly to generate an upward thrust. At the same time, the L-shaped rod 8 moves back and forth repeatedly when it moves up and down, pushing the recycled plastic on the surface of the L-shaped rod 8 forward.

[0038] The anti-blocking mechanism is connected to the vibration mechanism so that the rotating rod 9 rotates clockwise in the gap of the needle 7, pushing the object on the surface of the L-shaped rod 8 forward for cleaning.

[0039] An auxiliary mechanism is connected to the vibration mechanism to enable the push plate 10 to move back and forth repeatedly, pushing the object at the rear end of the L-shaped rod 8 forward and preventing the material from flowing in the opposite direction on the surface of the L-shaped rod 8.

[0040] A water collection mechanism can store the water that flows out of the plastic bottle;

[0041] The diversion mechanism receives and diverts water stored in the water collection mechanism to prevent water from polluting the ground.

[0042] Reference Figures 1-6 As shown in this embodiment, the vibration mechanism includes:

[0043] A motor 11 has a disc 12 fixedly connected to its output end. A first rotating plate 13 is fixedly connected to the surface of the disc 12. Limiting blocks 14 are fixedly connected to both sides of the bracket 1. A lifting plate 15 is slidably connected to the surface of the limiting blocks 14. A groove 16 is provided at the bottom of the lifting plate 15. A central rod 17 is rotatably connected to both sides of the bracket 1 via a rotating shaft. A first connecting rod 18 is rotatably connected to the bottom of the central rod 17. The other end of the first connecting rod 18 is rotatably connected to the top of the first rotating plate 13 via a shaft. A second connecting rod 19 is rotatably connected to the top of the central rod 17. A sliding plate 20 is rotatably connected to the other end of the second connecting rod 19. The surface of the sliding plate 20 is slidably connected to the inner wall of the top of the lifting plate 15. A frame 21 is fixedly connected to one side of the slide plate 20. Several L-shaped rods 8 are fixedly connected to the inner wall of the frame 21. The disc 12 is fixedly connected to the output end of the motor 11 by an eccentric shaft. The bottom of the first rotating plate 13 rotates around the motor 11. The user puts the plastic bottles to be screened into the surface of the first conveyor belt 2 through the notch at one end of the top cover 5. These plastic bottles need to be cleaned of moisture in the upper processing steps to ensure their cleanliness after recycling. Then the first conveyor belt 2 is started to run, so that the first conveyor belt 2 conveys the material to the second conveyor belt 4. During this process, the operator starts the motor 11 to drive the disc 12 to rotate clockwise. Through the deflection between the motor 11 and the disc 12 The fixed arrangement allows the disc 12 to rotate in a circle around the first rotating plate 13. The disc 12's circular structure rotates along the inner wall of the slide groove 16, causing it to initially rotate 180 degrees, pushing the lifting plate 15 upwards along the surface of the limiting block 14. Then, as the disc 12 rotates another 180 degrees to return to its original position, it pushes the lifting plate 15 downwards to reset. This causes the lifting plate 15 to move up and down repeatedly as the disc 12 rotates. During this process, the first rotating plate 13 also rotates in a circle around its bottom position. This causes the first rotating plate 13, following the initial 180-degree rotation of the disc 12, to push the first connecting rod 18, causing the center rod 17 to... The center rod 17 deflects around its center, causing the bottom of the center rod 17 to move backward and the top to move forward. This deflection of the top of the center rod 17 then pushes the second connecting rod 19 to move the slide plate 20 along the inner wall of the top of the lifting plate 15 toward the optical sorter 3. This movement of the slide plate 20 causes the L-shaped rod 8 to move synchronously. During this process, the L-shaped rod 8 will translate at the optical sorter 3. As the disc 12 and the first rotating plate 13 rotate 180 degrees, the first rotating plate 13 will rotate to its initial position and pull the first connecting rod 18 to reset. This causes the center rod 17 to move in the opposite direction, causing the L-shaped rod 8 and the frame 21 to move in opposite directions. This allows the L-shaped rod 8 to move back and forth repeatedly.

[0044] By combining the structure driven by the rotation of the disc 12 in the above process, the disc 12 initially rotates 180 degrees, driving the lifting plate 15 to push the slide plate 20, causing the L-shaped rod 8 and the frame 21 to move upward. At the same time, the disc 12 will drive the central rod 17 to deflect and pull the slide plate 20 forward, causing the frame 21 and the L-shaped rod 8 to move forward a certain distance. In the subsequent 180-degree rotation of the disc 12, the above mechanism will be driven to move in the opposite direction to reset. During the process, since the recycled plastic bottle will be placed on the top of the L-shaped rod 8, the extension plate 6 and the needle 7 will follow the first conveyor belt 2 to run counterclockwise and rotate counterclockwise. This allows the needle 7 to pass through the gap of the L-shaped rod 8 and be placed at the top position of the L-shaped rod 8, pushing the plastic bottle at the top of the L-shaped rod 8 to move forward. When the L-shaped rod 8 moves upward, the thrust generated by its rise will push the plastic bottle at the top of the L-shaped rod 8 to bounce up. During this process, the L-shaped rod 8 will move from the top of the needle 7 to the top position of the needle 7.

[0045] When the plastic bottle is pushed and pulled upwards by the L-shaped rod 8, if the bottle contains residual water or liquid, it will fall as a result. The heavier bottle will then contact the tip of the needle 7, allowing the sharp point of the needle 7 to pierce the bottle's interior. The L-shaped rod 8 then rises again, pushing the bottle out of the needle 7, creating holes on its surface. This repeated motion by the L-shaped rod 8 creates numerous holes in the bottle's surface due to gravity, allowing the water to drain out. Finally, the L-shaped rod 8 causes the bottle to fall. The vibration and shaking generated by this process further accelerate the drainage of water from the plastic bottle. If the water in the plastic bottle is drained or there is no residual water, the plastic bottle is usually lighter. When the L-shaped rod 8 pushes the plastic bottle up and down repeatedly, the plastic bottle is less likely to pierce the needle 7, thus reducing the unnecessary use area and number of times the needle 7 is used. During this process, when the plastic bottle falls, it will also be transported forward by the continuous rotation of the needle 7. At the same time, the running trajectory of the L-shaped rod 8 is to rise first and move forward at the same time. This makes the L-shaped rod 8 have a certain forward thrust when it pushes the plastic bottle up. When the plastic bottle falls after being bounced up by the L-shaped rod 8, the L-shaped rod 8 is in the reset stage. During this process, the plastic bottle is bounced up by the L-shaped rod 8 and does not contact the L-shaped rod 8. During the process of the L-shaped rod 8 resetting backward, it will not drive the plastic bottle to move backward.

[0046] Finally, the moisture inside the plastic bottle has been drained through its own pores. Simultaneously, the repeated bouncing and falling of the bottle generates high-intensity vibrations, further increasing the efficiency of moisture drainage. This vibration also helps to remove dirt adsorbed on the bottle's surface, achieving the purpose of cleaning. These processed plastic bottles will flow to the front end of the L-shaped rod 8 and fall onto the surface of the second conveyor belt 4. The second conveyor belt 4 will then transport these plastic bottles to the bottom of the optical sorter 3 for material sorting. The optical sorter 3 uses optical sensing detection and sorting. Plastic bottles of different materials or colors will be separated inside the optical sorter 3. When the plastic bottles flow to the bottom of the optical sorter 3 for detection, different types of plastic bottles will be subjected to compressed gas blown by the optical sorter 3, causing the plastic bottles to move to a designated conveyor belt for transport, thus completing the classification. The optical sorter 3 will then sort the plastic bottles... The bottles are classified into two groups: one group consists of transparent or light-colored plastic bottles, which are generally purer and can be directly melted and granulated after recycling; the other group consists of dark-colored or impurity-containing plastic bottles, which are granulated based on quality. After being processed by the vibration mechanism, these plastic bottles will not retain any moisture inside. When sorted by the optical sorter 3, they will be more easily bounced and sorted by the high-pressure gas generated by the optical sorter 3, avoiding the problem of residual moisture inside the plastic bottles causing them to be too heavy to be sorted by the optical sorter 3. At the same time, the high-intensity vibration of the plastic bottles can achieve simple cleaning of the plastic bottles, reducing the dust and dirt remaining on the surface of the plastic bottles. This makes it easier for the plastic bottles to be sorted by color detection and displacement by high-pressure gas blowing by the optical sorter 3, thereby improving the sorting efficiency and quality of recycled plastics by the optical sorter 3 and reducing the phenomenon of bottles with abnormal gravity or poor cleanliness that are difficult to sort.

[0047] Reference Figures 1-5 As shown in this implementation plan, the anti-blocking mechanism includes:

[0048] A transmission rod 22 has one end rotatably connected to the top of the first rotating plate 13 via a shaft, and the other end rotatably connected to a second rotating plate 23 via a rotating shaft. Three long rods 24 are rotatably connected inside the top cover 5, and several rotating rods 9 are fixedly connected to the surface of the long rods 24. Two second rotating plates 23 are fixedly connected to one long rod 24. Synchronous pulleys 25 are fixedly connected to both ends of the surface of the long rods 24, and a transmission belt 26 is meshed with the surface of the synchronous pulleys 25. During the above process, the vibration generated by the L-shaped rod 8 on the plastic bottle will cause dirt and impurities on its surface to separate. These impurities will fall onto the surface of the L-shaped rod 8 or fall through the gaps in the L-shaped rod 8 onto the surface of the first conveyor belt 2. When dirt falls onto the surface of the L-shaped rod 8... The rotation of the disc 12 and the first rotating plate 13 will cause the bottom of the transmission rod 22 to be displaced by the top shaft of the first rotating plate 13. This displacement will cause the bottom of the transmission rod 22 to rotate in a circle with the first rotating plate 13. Through the rotational connection between the top of the transmission rod 22 and the second rotating plate 23, the second rotating plate 23 will be rotated when the transmission rod 22 rotates in a circle. This will cause the long rod 24 at the front end inside the top cover 5 to be driven to rotate by the transmission rod 22. Through the synchronous wheel 25 on the surface of the long rod 24, and through the transmission belt 26 installed on the surface of the synchronous wheel 25, the transmission between multiple synchronous wheels 25 is realized. This will cause the three long rods 24 to rotate clockwise at the bottom of the top cover 5, thereby driving the rotating rod 9 to rotate synchronously. The rotating rod 9 will rotate with one end of the L-shaped rod 8.

[0049] When the L-shaped rod 8 moves upward, the bottom of the rotating rod 9 will contact the surface of the L-shaped rod 8 as it rotates clockwise. The clockwise rotation of the rotating rod 9 pushes forward any remaining dirt and foreign matter on the surface of the L-shaped rod 8. Plastic bottles may detach their caps due to vibration, and these caps may become stuck in the gaps between the L-shaped rod 8 and the rotating rod 9. Since the height of the needle 7 and the rotating rod 9 is fixed, there will be a certain gap between the bottom of the rotating rod 9 and the top of the needle 7. Bottle caps may become stuck in the gap between the L-shaped rod 8 and the needle 7. After the L-shaped rod 8 moves upward, it contacts both ends of the rotating rod 9 as it rotates. The rotation of the rotating rod 9 will push forward any remaining dirt and foreign matter on the surface of the L-shaped rod 8. The bottle caps and other small impurities move forward, allowing them to fall through the gaps in the L-shaped rod 8 into the water collection tank 31. They then rotate with the first conveyor belt 2, transporting the foreign objects in the water collection tank 31 to the receiving box 32. This process pushes and cleans the impurities on the surface of the L-shaped rod 8 using the rotating rod 9, preventing dirt from adsorbing or clogging the surface of the L-shaped rod 8. Simultaneously, the rotation of the rotating rod 9 further agitates the popped-up plastic bottles, causing them to move under secondary force. This creates pressure between the rotating rod 9 and the L-shaped rod 8, further increasing the efficiency of water removal from the plastic bottles.

[0050] Reference Figure 2 , Figure 3 and Figure 4 As shown in this embodiment, the auxiliary mechanism includes:

[0051] U-shaped frame 27 is fixedly connected to the rear end of push plate 10 and slidably connected to the rear end of frame 21. Long slots 28 are provided on both sides of the inner wall of top cover 5. Protruding columns 29 are fixedly connected to both sides of push plate 10 and slidably connected to the inner wall of the long slots 28. When L-shaped rod 8 moves repeatedly up and down and back and forth, as... Figure 3 As shown, when the L-shaped rod 8 moves upward, the frame 21 will drive the push plate 10 to rise, and cause the protruding column 29 to slide upward along the long groove 28. The forward and backward movement trajectory of the L-shaped rod 8 is restricted by the long groove 28, which makes the position of the push plate 10 unchanged when the L-shaped rod 8 rises and falls. When the L-shaped rod 8 moves forward and backward, the position of the push plate 10 is restricted by the sliding connection between the protruding column 29 and the long groove 28, which makes the forward and backward position between the push plate 10 and the top cover 5 unchanged when the L-shaped rod 8 moves up and down. When the L-shaped rod 8 moves forward and backward, the U-shaped frame 27 will slide forward and backward along the rear end of the frame 21, causing the push plate 10 to move forward repeatedly at the rear end of the L-shaped rod 8, thereby pushing the plastic bottle at the rear end of the L-shaped rod 8 forward. Initially, the plastic bottle at the rear end of the L-shaped rod 8 moves forward and contacts the needle 7 for conveying, thereby avoiding the accumulation of plastic bottles at the rear end of the L-shaped rod 8, which would prevent contact with the needle 7 for conveying.

[0052] Reference Figure 2 , Figure 3 and Figure 6 As shown in this implementation plan, the water collection mechanism includes:

[0053] The sealing pads 30 are fixedly connected to both ends of the surface of the first conveyor belt 2. The sealing pads 30 are made of silicone. Two sealing pads 30 are placed at both ends of the extension plates 6 respectively. The sealing pads 30 form a water collection tank 31 between several extension plates 6. After water flows out through the holes of the plastic bottle, the water drips onto the surface of the L-shaped rod 8 and then flows to the surface of the first conveyor belt 2. The extension plates 6 form gaps, and the sealing pads 30 seal the two ends of the extension plates 6. This allows the water to drip onto the surface of the first conveyor belt 2 and enter the water collection tank 31 for storage. When the water collection tank 31 moves to the front end of the bracket 1 with the rotation of the first conveyor belt 2, the direction of the water collection tank 31 will follow the rotation of the first conveyor belt 2 to the bottom surface of the first conveyor belt 2. This allows the water and dirt inside the water collection tank 31 to be discharged downwards. Then, the water is received and guided by the flow guiding mechanism. This allows the water discharged from the plastic bottle to be collected by the water collection tank 31 and transferred.

[0054] Reference Figure 2 and Figure 3 As shown in this embodiment, the flow guiding mechanism includes:

[0055] A receiving box 32 is fixedly connected to the inner wall of the support 1. A guide pipe 33 is fixedly connected to the bottom of the receiving box 32. The receiving box 32 is placed at the bottom of the water collection tank 31. When the water collection tank 31 transports sewage and impurities to the front end of the support 1, the water collection tank 31 rotates to the bottom surface of the first conveyor belt 2, causing the dirt and water inside the water collection tank 31 to drip onto the top of the receiving box 32. The sewage is received by the receiving box 32 and then guided by the guide pipe 33 to complete the collection of water in the bottle, thereby preventing water from polluting the ground environment after being discharged from the plastic bottle.

[0056] Reference Figures 1-6 As shown in this embodiment: there is a gap between the top of the frame 21 and the bottom of the top cover 5, and the bottom of the rotating rod 9 abuts against the surface of the L-shaped rod 8. Through the gap between the frame 21 and the top cover 5, the staff can observe the internal situation of the frame 21 through this gap. When the L-shaped rod 8 and the frame 21 move up and down repeatedly, the frame 21 will rise and fall along the inner wall of the top cover 5. When the L-shaped rod 8 pushes the plastic bottle to pop up, the frame 21 will move into the interior of the top cover 5. This makes the gap between the frame 21 and the top cover 5 gradually narrow until the frame 21 and the top cover 5 are misaligned, so that there is no gap between the frame 21 and the top cover 5, so as to prevent the plastic bottle inside the frame 21 from popping out through this gap. At the same time, the existence of the gap makes it easier for the staff to observe the operating status of the device.

[0057] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A recycled plastic sorting device, comprising a support frame (1), characterized in that: The top of the support (1) is equipped with a first conveyor belt (2) via rollers. A light sorter (3) is installed at the front end of the first conveyor belt (2). A second conveyor belt (4) is installed on one side of the light sorter (3). A top cover (5) is fixedly connected to the top of the support (1). Several extension plates (6) are fixedly connected to the surface of the first conveyor belt (2). A needle (7) is fixedly connected to the top of the extension plate (6). An L-shaped rod (8) is provided on the top of the first conveyor belt (2). The recycled plastic sorting device also includes a rotating rod (9) and a push plate (10). A vibration mechanism is provided on the outer side of the first conveyor belt (2). The vibration mechanism drives the L-shaped rod (8) to move up and down repeatedly to generate an upward thrust. At the same time, the L-shaped rod (8) moves back and forth repeatedly when it moves up and down, pushing the recycled plastic on the surface of the L-shaped rod (8) forward. The anti-blocking mechanism is connected to the vibration mechanism so that the rotating rod (9) rotates clockwise in the gap of the needle (7) to push the object on the surface of the L-shaped rod (8) forward for cleaning. The auxiliary mechanism is connected to the vibration mechanism so that the push plate (10) moves back and forth repeatedly, pushing the object at the rear end of the L-shaped rod (8) forward and preventing the material from flowing in the opposite direction on the surface of the L-shaped rod (8). A motor (11) is fixedly connected to a disc (12) at its output end. A first rotating plate (13) is fixedly connected to the surface of the disc (12). Limiting blocks (14) are fixedly connected to both sides of the bracket (1). A lifting plate (15) is slidably connected to the surface of the limiting block (14). A sliding groove (16) is provided at the bottom of the lifting plate (15). A central rod (17) is rotatably connected to both sides of the bracket (1) via a rotating shaft. A first rotating plate (13) is rotatably connected to the bottom of the central rod (17). A connecting rod (18) is connected to the top of the first rotating plate (13) via a shaft. The top of the central rod (17) is rotatably connected to a second connecting rod (19). The other end of the second connecting rod (19) is rotatably connected to a sliding plate (20). The surface of the sliding plate (20) is slidably connected to the inner wall of the top of the lifting plate (15). A frame (21) is fixedly connected to one side of the sliding plate (20). Several L-shaped rods (8) are fixedly connected to the inner wall of the frame (21). A transmission rod (22) is rotatably connected at one end to the top of the first rotating plate (13) via a shaft. The other end of the transmission rod (22) is rotatably connected to a second rotating plate (23) via a rotating shaft. Three long rods (24) are rotatably connected inside the top cover (5). Several rotating rods (9) are fixedly connected to the surface of the long rods (24). Two second rotating plates (23) are fixedly connected to one long rod (24). Synchronous pulleys (25) are fixedly connected to both ends of the surface of the long rods (24). A transmission belt (26) is meshed with the surface of the synchronous pulleys (25). The top of the frame (21) has a gap with the bottom of the top cover (5), and the bottom of the rotating rod (9) abuts against the surface of the L-shaped rod (8).

2. The recycled plastic sorting device according to claim 1, characterized in that: The auxiliary mechanism includes: The U-shaped frame (27) is fixedly connected to the rear end of the push plate (10) and slidably connected to the rear end of the frame (21). The inner walls of the top cover (5) are provided with long grooves (28) on both sides. The push plate (10) is fixedly connected with protruding columns (29) on both sides and slidably connected to the inner walls of the long grooves (28).

3. The recycled plastic sorting device according to claim 1, characterized in that: The recycled plastic sorting device also includes a water collection mechanism for storing water flowing out of the plastic bottles; The water collection mechanism includes: The sealing pad (30) is fixedly connected to both ends of the surface of the first conveyor belt (2). The sealing pad (30) is made of silicone material. Two sealing pads (30) are placed at both ends of the respective extension plates (6). A water collection tank (31) is formed between several extension plates (6) through the sealing pads (30).

4. The recycled plastic sorting device according to claim 1, characterized in that: The recycled plastic sorting device also includes a diversion mechanism to receive and divert the water stored in the water collection mechanism; The flow guiding mechanism includes: A receiving box (32) is fixedly connected to the inner wall of the bracket (1), and a guide pipe (33) is fixedly connected to the bottom of the receiving box (32). The receiving box (32) is placed at the bottom of the water collection tank (31).

5. A recycled plastic sorting device according to claim 1, characterized in that: The disk (12) and the output end of the motor (11) are fixedly connected by an eccentric shaft, and the bottom of the first rotating plate (13) rotates with the motor (11) as the center.

Citation Information

Patent Citations

  • Sorting and packaging system for plastic bottle recovery

    CN115283264A

  • Automatic Machine for Producing Regeneration Chip of Movable PET Bottle

    KR1020000021923A