Ultrasonic cleaning device for regenerated PET (Polyethylene Terephthalate) bottle flakes

By designing an ultrasonic cleaning device for recycled PET bottle flakes with conveying and stirring components, the problems of cumbersome manual operation and poor cleaning effect in the existing technology have been solved, achieving efficient automated cleaning and improved cleaning quality.

CN224058235UActive Publication Date: 2026-03-31JIANGSU CHANGSHENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing PET flake cleaning equipment suffers from problems such as cumbersome manual operation, slow production pace, and poor cleaning effect. In particular, it is difficult to completely remove stains from small crevices and pits, and chemical cleaning may cause environmental pollution.

Method used

Design an ultrasonic cleaning device for recycled PET bottle flakes, including a conveying component and a stirring component. The conveying component enables efficient transport of the bottle flakes, and the stirring component generates turbulence to improve cleaning efficiency. Combined with an ultrasonic cleaning tank, it achieves automated cleaning.

Benefits of technology

It achieves efficient and automated cleaning of PET bottle flakes, improving cleaning quality and production efficiency, avoiding tedious manual operations and environmental pollution from chemical cleaning, and enhancing the cleaning effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an ultrasonic cleaning device for regenerated PET (polyethylene terephthalate) bottle flakes, which belongs to the technical field of PET bottle flakes and comprises a plurality of support rods, a conveying component is mounted among the tops of the support rods, two fixing rods are fixedly connected to one side of the top of the conveying component, and the two fixing rods are fixedly connected to the other side of the top of the conveying component. A water adding opening is formed in one side of the outer wall of the ultrasonic cleaning pool, a stirring assembly is installed on the outer wall of the ultrasonic cleaning pool, a discharging box is fixedly connected to the other side of the outer wall of the ultrasonic cleaning pool, and a water storage pool is arranged between the bottom of the ultrasonic cleaning pool and the bottom of the discharging box. The regenerated PET bottle flakes are continuously turned and rubbed with each other, so that the adhesion between dirt and the bottle flakes is favorably broken, stains originally attached to the surfaces of the bottle flakes are easier to fall off, and the separation degree of some stubborn label residues and greasy dirt from the bottle flakes can be remarkably improved through the physical action generated by stirring for some stubborn label residues and greasy dirt.
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Description

Technical Field

[0001] This utility model relates to the field of PET bottle flake technology, and in particular to an ultrasonic cleaning device for recycled PET bottle flakes. Background Technology

[0002] Due to their excellent physical and chemical properties, PET bottles are widely used in the food and beverage industries. With the continuous increase in usage, the recycling and reuse of PET bottles has become particularly important. As a key raw material for recycling, the cleaning quality of recycled PET flakes directly affects the performance and quality of subsequent products. Traditional PET flake cleaning methods mainly include mechanical brushing and chemical cleaning. Although mechanical brushing can remove some surface dirt, it is difficult to completely remove stains in some small crevices and pits, and it is easy to cause wear and tear on the flakes, affecting their subsequent processing performance. Although chemical cleaning can dissolve stains to a certain extent, the use of chemical agents not only increases costs but may also cause environmental pollution problems. Moreover, the residual chemicals after cleaning will also affect the quality of recycled PET flakes.

[0003] Most existing equipment relies on manual operation to retrieve the cleaned PET bottle flakes from the ultrasonic cleaning tank. During manual operation, employees need to retrieve the PET bottle flakes one by one, which is a cumbersome process. Each retrieval requires a certain amount of time to complete the actions of reaching, grabbing, and lifting, which greatly slows down the overall production pace and significantly reduces the number of cleaned PET bottle flakes produced per unit time.

[0004] Therefore, there is an urgent need to provide an ultrasonic cleaning device for recycled PET bottle flakes to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide an ultrasonic cleaning device for recycled PET bottle flakes.

[0006] To solve the above-mentioned technical problems, the present invention provides a technical solution: an ultrasonic cleaning device for recycled PET bottle flakes, comprising multiple support rods, a conveying assembly installed between the tops of the multiple support rods, two fixed rods fixedly connected to one side of the top of the conveying assembly, a feeding box fixedly connected between the inner walls of the two fixed rods, and a fixed block fixedly connected between one side of the outer walls of the two support rods.

[0007] An ultrasonic cleaning tank is fixedly connected to one side of the outer wall of the fixed block. A water inlet is provided on one side of the outer wall of the ultrasonic cleaning tank. A stirring assembly is installed on the outer wall of the ultrasonic cleaning tank. A feeding box is fixedly connected to the other side of the outer wall of the ultrasonic cleaning tank. A water storage tank is provided between the bottom of the ultrasonic cleaning tank and the feeding box.

[0008] The present invention is further configured such that: the conveying assembly includes a mounting block fixedly connected to the top of two sets of support rods, a first rotating rod is rotatably connected between the two inner walls of the two mounting blocks, a first motor is mounted on the front end of one of the mounting blocks, a synchronous pulley is fixedly connected to the outer wall of each of the two first rotating rods, a synchronous belt is installed between the outer walls of the two synchronous pulleys, and a limit strip is fixedly connected to the top of each of the two mounting blocks.

[0009] The above technical solution first starts the first motor, which drives the corresponding first rotating rod to rotate. At the same time, the first rotating rod also drives the corresponding synchronous pulley to rotate synchronously. Then, through the friction between the two synchronous pulleys and the synchronous belt, the other synchronous pulley also rotates synchronously, thereby achieving the purpose of transmission.

[0010] The present invention is further configured such that the outer walls of the two first rotating rods are fitted with the inner walls of the corresponding synchronous wheels, and the front and rear ends of the two synchronous wheels are tightly fitted with the inner walls of the corresponding mounting blocks.

[0011] Through the above technical solution, the first rotating rod fits into the inner wall of the synchronous pulley, which can ensure that the first rotating rod can transmit power to the synchronous pulley without loss when rotating. At the same time, the two synchronous pulleys need to rotate synchronously to drive the synchronous belt to run smoothly, thereby realizing the transmission function. The tight fit between the first rotating rod and the synchronous pulley can ensure that the connection between them is firm, so that the synchronous pulley can follow the first rotating rod to rotate precisely and synchronously.

[0012] The present invention is further configured such that: both sides of the inner wall of the synchronous belt are in contact with the outer wall of the corresponding synchronous pulley, and the two synchronous pulleys are parallel to each other.

[0013] Through the above technical solution, the inner walls of the synchronous belt and the outer walls of the synchronous pulley are closely fitted, which can significantly increase the contact area between the two. According to the principle of friction, the larger the contact area, the greater the friction force generated under the same pressure. In this way, when the first rotating rod drives the synchronous pulley to rotate, the synchronous pulley can drive the synchronous belt to move more effectively through greater friction, so as to achieve stable material transmission.

[0014] The present invention is further configured such that: the stirring assembly includes multiple connecting blocks fixedly connected to the outer wall of the ultrasonic cleaning tank, a second rotating rod is rotatably connected between the inner walls of every two connecting blocks, a second motor is installed at the front end of one of the connecting blocks, a linkage wheel is fixedly connected to the outer wall of each of the two second rotating rods near the end of the second motor, a linkage belt is installed between the inner walls of the two linkage wheels, multiple stirring rods are fixedly connected to the outer wall of each of the two second rotating rods, and a stirring block is fixedly connected to the top of each of the multiple stirring rods.

[0015] The above technical solution involves first starting the second motor, which drives the corresponding second rotating rod to rotate. The second rotating rod then drives the corresponding linkage wheel to rotate. At the same time, another linkage wheel rotates synchronously through friction with the linkage belt, thereby driving another second rotating rod to rotate. While the two second rotating rods are rotating, their corresponding stirring rods also rotate synchronously. Subsequently, multiple stirring rods drive the stirring block to rotate synchronously, thus achieving the purpose of stirring.

[0016] The present invention is further configured such that: the output end of the second motor is fixedly connected to the front end of one of the second rotating rods, and both second rotating rods are on the same plane.

[0017] The above technical solution ensures that the power of the second motor is directly and efficiently transmitted to the second rotating rod. This direct connection method reduces intermediate links in the power transmission process, reduces energy loss, and improves power transmission efficiency.

[0018] The present invention is further configured such that each pair of stirring rods is arranged at a 90° angle, and each pair of stirring rods is parallel to each other.

[0019] Through the above technical solution, the stirring rod set at a 90° angle will cause complex turbulence in the cleaning fluid when it rotates. The turbulence can disrupt the laminar flow state in the cleaning fluid, causing the molecules and particles in the cleaning fluid to move and mix more violently. This violent movement helps to peel off dirt, impurities and other substances attached to the surface of the object more quickly, thereby improving the efficiency and quality of cleaning.

[0020] The beneficial effects of this utility model are as follows:

[0021] 1. By setting up a stirring component, this utility model can drive the flow of cleaning liquid, causing the recycled PET bottle flakes to tumble and rub against each other, which helps to break the adhesion between dirt and bottle flakes, making it easier for stains originally attached to the surface of bottle flakes to fall off. For some stubborn label residues and oil stains, the physical action generated by stirring can significantly improve the degree of separation from bottle flakes.

[0022] 2. By setting up a conveying component, this utility model can precisely adjust the feeding speed of bottle flakes, so that the bottle flakes enter the cleaning area at the optimal rhythm. This avoids insufficient cleaning due to feeding too fast, and also prevents the equipment from running idle and wasting resources due to feeding too slow, thereby achieving efficient optimization of the feeding process. Attached Figure Description

[0023] Figure 1 This is an appearance drawing of the present utility model;

[0024] Figure 2This is a top view of the present invention;

[0025] Figure 3 This is a cross-sectional view of the present invention;

[0026] Figure 4 for Figure 1 A magnified view of a portion of point A in the middle.

[0027] In the diagram: 1. Support rod; 2. Conveying assembly; 201. Mounting block; 202. First rotating rod; 203. First motor; 204. Synchronous pulley; 205. Synchronous belt; 206. Limiting strip; 3. Fixing rod; 4. Feeding box; 5. Fixing block; 6. Ultrasonic cleaning tank; 7. Water inlet; 8. Mixing assembly; 801. Connecting block; 802. Second rotating rod; 803. Second motor; 804. Linkage wheel; 805. Linkage belt; 806. Mixing rod; 807. Mixing block; 9. Discharge box; 10. Water storage tank. Detailed Implementation

[0028] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0029] Please see Figure 1 - Figure 4An ultrasonic cleaning device for recycled PET bottle flakes includes multiple support rods 1, with a conveying assembly 2 installed between the tops of the support rods 1. The conveying assembly 2 includes mounting blocks 201 fixedly connected to the tops of two sets of support rods 1. First rotating rods 202 are rotatably connected between the inner walls of the two mounting blocks 201. A first motor 203 is installed at the front end of one mounting block 201. Synchronous pulleys 204 are fixedly connected to the outer walls of the two first rotating rods 202. A synchronous belt 205 is installed between the outer walls of the two synchronous pulleys 204. The tops of the two mounting blocks 201... Each component is fixedly connected to a limit bar 206. First, the first motor 203 is started, causing it to drive the corresponding first rotating rod 202 to rotate. Simultaneously, the first rotating rod 202 drives the corresponding synchronous pulley 204 to rotate synchronously. Then, through the friction between the two synchronous pulleys 204 and the synchronous belt 205, the other synchronous pulley 204 also rotates synchronously, thus achieving the purpose of transmission. The outer walls of both first rotating rods 202 are fitted with the inner walls of their corresponding synchronous pulleys 204, and the two synchronous pulleys 204... Both ends are tightly fitted to the inner walls of the corresponding mounting blocks 201; the first rotating rod 202 fits into the inner wall of the synchronous pulley 204, ensuring that the first rotating rod 202 can transmit power to the synchronous pulley 204 without loss when rotating. Simultaneously, the two synchronous pulleys 204 need to rotate synchronously to drive the synchronous belt 205 to run smoothly, thus achieving the transmission function. The tight fit between the first rotating rod 202 and the synchronous pulley 204 ensures a firm connection between them, allowing the synchronous pulley 204 to rotate precisely and synchronously with the first rotating rod 202. Both sides of the inner wall of the synchronous belt 205 are in contact with the outer wall of the corresponding synchronous pulley 204, and the two synchronous pulleys 204 are parallel to each other. The close contact between the inner walls of the synchronous belt 205 and the outer walls of the synchronous pulleys 204 can significantly increase the contact area between them. According to the principle of friction, the larger the contact area, the greater the friction force generated under the same pressure. In this way, when the first rotating rod 202 drives the synchronous pulley 204 to rotate, the synchronous pulley 204 can drive the synchronous belt 205 to move more effectively through greater friction, so as to achieve stable material conveying.

[0030] like Figure 2 , Figure 3 and Figure 4As shown, two fixed rods 3 are fixedly connected to one side of the top of the conveying assembly 2. A feeding box 4 is fixedly connected between the inner walls of the two fixed rods 3. A fixed block 5 is fixedly connected between the outer walls of the two support rods 1. An ultrasonic cleaning tank 6 is fixedly connected to one side of the outer wall of the fixed block 5. A water inlet 7 is provided on one side of the outer wall of the ultrasonic cleaning tank 6. A stirring assembly 8 is installed on the outer wall of the ultrasonic cleaning tank 6. The stirring assembly 8 includes multiple connecting blocks 801 fixedly connected to the outer wall of the ultrasonic cleaning tank 6. A second rotating rod 802 is rotatably connected between the inner walls of every two connecting blocks 801. A second motor 803 is installed at the front end of one of the connecting blocks 801. Each of the two rotating rods 802 has a linkage wheel 804 fixedly connected to its outer wall near the end of the second motor 803. A linkage belt 805 is installed between the inner walls of the two linkage wheels 804. Multiple stirring rods 806 are fixedly connected to the outer walls of both second rotating rods 802, and stirring blocks 807 are fixedly connected to the top of each stirring rod 806. First, the second motor 803 is started, causing the second motor 803 to drive the corresponding second rotating rod 802 to rotate. Then, the second rotating rod 802 will drive the corresponding linkage wheel 804 to rotate. At the same time, the other linkage wheel 804 will rotate synchronously through the friction between itself and the linkage belt 805. The rotation of the second motor 803 causes another second rotating rod 802 to rotate, and simultaneously, the corresponding stirring rod 806 rotates synchronously. Subsequently, the multiple stirring rods 806 drive the stirring block 807 to rotate synchronously, thus achieving the purpose of stirring. The output end of the second motor 803 is fixedly connected to the front end of one of the second rotating rods 802, and both second rotating rods 802 are on the same plane. This ensures that the power of the second motor 803 is directly and efficiently transmitted to the second rotating rod 802. This direct connection method reduces intermediate links in the power transmission process and lowers energy loss. The power transmission efficiency is improved by setting each pair of stirring rods 806 at a 90° angle, and each pair of stirring rods 806 are parallel to each other. When the stirring rods 806 are set at a 90° angle, they will cause complex turbulence in the cleaning fluid. The turbulence can disrupt the laminar flow state in the cleaning fluid, making the molecules and particles in the cleaning fluid move and mix more violently. This violent movement helps to peel off dirt and impurities attached to the surface of the object more quickly, improving the cleaning efficiency and quality. A feeding box 9 is fixedly connected to the other side of the outer wall of the ultrasonic cleaning tank 6, and a water storage tank 10 is set between the bottom of the ultrasonic cleaning tank 6 and the feeding box 9.

[0031] In use, the material is first conveyed to the conveying assembly 2 via the feeding box 4. Then, the first motor 203 is started, causing the first motor 203 to drive the corresponding first rotating rod 202 to rotate. At the same time, the first rotating rod 202 also drives the corresponding synchronous pulley 204 to rotate synchronously. Subsequently, through the friction between the two synchronous pulleys 204 and the synchronous belt 205, the other synchronous pulley 204 also rotates synchronously, thereby achieving the purpose of conveying. Then, the material is conveyed to the ultrasonic cleaning tank 6 via the synchronous belt 205. Finally, the second motor 803 is started, causing the second motor 803 to drive the corresponding second rotating rod 202 to rotate synchronously. The first rotating rod 802 rotates, which in turn drives the corresponding linkage wheel 804 to rotate. At the same time, another linkage wheel 804 rotates synchronously through the friction between itself and the linkage belt 805, thereby driving another second rotating rod 802 to rotate. While the two second rotating rods 802 are rotating, the corresponding stirring rods 806 also rotate synchronously. Subsequently, multiple stirring rods 806 drive the stirring block 807 to rotate synchronously, thereby achieving the purpose of stirring. Since the ultrasonic cleaning tank 6 has a discharge port on one side, the material can automatically slide into the feeding box 9, thus completing the entire cleaning process.

[0032] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A regenerative PET bottle flake ultrasonic cleaning device comprising a plurality of support rods (1), characterized in that: A plurality of said support rod (1) top between the installation of conveying assembly (2), conveying assembly (2) top side fixedly connected with two fixed rod (3), two said fixed rod (3) between the inner wall of the fixed connection has a feeding box (4), wherein two said support rod (1) outer wall side between the fixed block (5) is fixedly connected; The outer wall side of the fixed block (5) is fixedly connected with an ultrasonic cleaning tank (6), the outer wall side of the ultrasonic cleaning tank (6) is provided with a water inlet (7), the outer wall of the ultrasonic cleaning tank (6) is provided with a stirring assembly (8), and the outer wall of the ultrasonic cleaning tank (6) is fixedly connected with a discharging box (9). The bottom of the ultrasonic cleaning tank (6) and the discharging box (9) is provided with a water storage tank (10).

2. The PET bottle flake ultrasonic cleaning device according to claim 1, characterized in that: The conveying assembly (2) comprises a mounting block (201) fixedly connected to the top of the two groups of support rods (1), first rotating rods (202) are rotatably connected between the inner walls of the two mounting blocks (201), a first motor (203) is installed at the front end of one of the mounting blocks (201), synchronous wheels (204) are fixedly connected to the outer walls of the two first rotating rods (202), a synchronous belt (205) is installed between the outer walls of the two synchronous wheels (204), and limiting strips (206) are fixedly connected to the tops of the two mounting blocks (201).

3. The PET bottle flake ultrasonic cleaning device according to claim 2, characterized in that: The outer walls of the two first rotating rods (202) are matched with the inner walls of the corresponding synchronous wheels (204), and the front and rear ends of the two synchronous wheels (204) are closely attached to the inner walls of the corresponding mounting blocks (201).

4. The PET bottle flake ultrasonic cleaning device according to claim 2, characterized in that: The inner walls of the synchronous belt (205) are attached to the outer walls of the corresponding synchronous wheels (204), and the two synchronous wheels (204) are parallel to each other.

5. The PET bottle flake ultrasonic cleaning device of claim 1, wherein: The stirring assembly (8) comprises a plurality of connecting blocks (801) fixedly connected to the outer wall of the ultrasonic cleaning tank (6), second rotating rods (802) are rotatably connected between the inner walls of every two connecting blocks (801), a second motor (803) is installed at the front end of one of the connecting blocks (801), linkage wheels (804) are fixedly connected to the outer walls of the two second rotating rods (802) near the second motor (803), a linkage belt (805) is installed between the inner walls of the two linkage wheels (804), a plurality of stirring rods (806) are fixedly connected to the outer walls of the two second rotating rods (802), and stirring blocks (807) are fixedly connected to the tops of the plurality of stirring rods (806).

6. The PET bottle flake ultrasonic cleaning device according to claim 5, wherein: The output end of the second motor (803) is fixedly connected to the front end of one of the second rotating rods (802), and the two second rotating rods (802) are in the same plane.

7. The PET bottle flake ultrasonic cleaning device according to claim 5, wherein: Every two said stirring rods (806) are arranged at an angle of 90°, and every two groups of said stirring rods (806) are parallel to each other.