Plastic refining device for plastic product manufacturing

Abstract

The utility model discloses a plastic refining device for manufacturing plastic products, which comprises a box body, two rotating shafts are rotatably arranged in the box body, the two rotating shafts are oppositely arranged, refining rollers are fixedly arranged on the two rotating shafts, a support frame is arranged below the two refining rollers, and the support frame is fixedly arranged on the box body. The supporting frame is fixedly installed in the box body, a filter screen is arranged in the supporting frame, two transmission rollers are rotatably installed on the inner wall of the box body, the two transmission rollers are oppositely arranged up and down, a conveying belt is in transmission connection between the two transmission rollers, and a plurality of material receiving plates are arranged on the conveying belt; elastic connecting assemblies are arranged between the multiple material receiving plates and the conveying belt, and baffles are fixedly installed on the inner walls of the two sides of the box body. According to the utility model, the plastic which is inadequately refined for the first time is automatically refined for the second time or multiple times, and the refining degree and the yield of plastic products are increased.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic product manufacturing, in particular to a plastic thinning device for manufacturing plastic products. Background Art

[0002] Plastic products are daily necessities made from plastic particles through a specific manufacturing process. These products are everywhere in our lives, from food packaging, beverage bottles, household containers, to various pipes, wire insulators, etc., they are all made from plastic particles melted at high temperatures. Plastic products are widely used in various fields due to their lightness, durability, waterproofness and other characteristics, greatly facilitating our lives. However, with the mass production and use of plastic products, the problem of plastic waste has become increasingly prominent. Therefore, reasonable plastic recycling and treatment has become an important issue we face.

[0003] In the process of plastic recycling, discarded plastic products will first be recycled and crushed into smaller pieces, and then converted into plastic particles through a specific process. These recycled plastic particles can be reused in the manufacture of plastic products, forming a virtuous resource cycle. Through such a recycling process, we can not only effectively reduce the generation of plastic waste, but also reduce dependence on new plastic raw materials, and contribute to environmental protection. At the same time, the application of "granule melting" technology has greatly improved the quality and application scope of recycled plastics, and promoted the development of the plastic recycling industry.

[0004] Patent document CN108972963A discloses a plastic crushing device, including a feeding mechanism and a crushing mechanism, wherein the discharge port of the crushing mechanism is connected to the feed port of the feeding mechanism; the feeding mechanism includes a feeding box, a spiral feeding shaft and a feeding motor, wherein the spiral feeding shaft is rotatably connected in the feeding box, the feeding motor is fixed on the outer wall of the feeding box, and the feeding motor is connected to the spiral feeding shaft and drives the spiral feeding shaft to rotate, and a feed port and a discharge port are provided on the feeding box; the crushing mechanism includes a crushing box, a crushing wheel, a crushing seat and a crushing motor, wherein the crushing box is fixed on the feeding box, and the crushing box is connected to the feed port of the feeding box; the crushing wheel is rotatably connected in the crushing box, the crushing motor is fixed on the outer wall of the crushing box, and the crushing motor is connected to the crushing wheel and drives the crushing wheel to rotate, and two crushing seats are placed in the crushing box and symmetrically arranged on both sides of the crushing wheel. The present invention has a compact and simple structure, occupies a small space, and is easy to maintain.

[0005] As in the prior art of the above patent, when the above device crushes plastic, a single crushing results in large pieces of plastic remaining. Although it can be crushed again to achieve the purpose of refinement, this method is time-consuming, labor-intensive and inefficient. Multiple crushings increase the operation process and time, and each collection and re-deposit requires manual operation, which increases labor costs and error rates. In addition, frequent handling increases equipment wear. In the long run, this will not only slow down production progress and increase costs, but may also affect product quality due to uneven plastic particles, bringing environmental pollution risks. Utility Model Content

[0006] The purpose of the utility model is to provide a plastic thinning device for manufacturing plastic products to solve the above-mentioned shortcomings in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a plastic thinning device for manufacturing plastic products, including a box body, two rotating shafts are rotatably installed inside the box body, the two rotating shafts are arranged opposite to each other, and thinning rollers are fixedly installed on the two rotating shafts, a support frame is arranged below the two thinning rollers, the support frame is fixedly installed inside the box body, a filter is arranged inside the support frame, two transmission rollers are rotatably installed on the inner wall of the box body, the two transmission rollers are arranged opposite to each other up and down, a conveyor belt is connected to the two transmission rollers, a plurality of material receiving plates are arranged on the conveyor belt, and elastic connection components are arranged between the plurality of material receiving plates and the conveyor belt, baffles are fixedly installed on the inner walls of the two sides of the box body, and the support frame is inclined toward the conveyor belt.

[0008] As a further description of the above technical solution: the elastic connection assembly includes multiple support plates, and the multiple support plates are respectively fixedly installed on both sides of the conveyor belt, and a rotating shaft is rotatably installed between the multiple support plates. Sleeves are provided at both ends of the rotating shaft, and the sleeves are fixedly connected to the support plates. A torsion spring is provided inside the sleeves, one end of the torsion spring is fixedly connected to the sleeve, and the other end of the torsion spring is fixedly connected to the rotating shaft, and the rotating shaft is fixedly connected to the receiving plate.

[0009] As a further description of the above technical solution: a first motor is fixedly installed on the side wall of the box, and the output end of the first motor is transmission-connected to one of the rotating shafts, one end of the two rotating shafts passes through the side wall of the box and is fixedly installed with gears, and the two gears are meshed with each other.

[0010] As a further description of the above technical solution: a second motor is fixedly installed on the side wall of the box, and an output end of the second motor is drivingly connected to one of the driving rollers.

[0011] As a further description of the above technical solution: a discharge hopper is arranged directly below the filter screen, and a lower hopper is fixedly installed directly above the box body.

[0012] As a further description of the above technical solution: a material receiving trough is arranged directly below the lower hopper.

[0013] The utility model provides a plastic thinning device for manufacturing plastic products. It has the following beneficial effects: the utility model puts the plastic products to be thinned from the top of the box into the space between two thinning rollers for crushing. The thinning roller is a prior art, and its function is to specifically thin the plastic products. The plastic after thinning falls onto the filter screen below. The plastic that meets the requirements, that is, the fully thinned plastic particles, falls into the interior of the receiving trough below through the filter screen. The insufficiently thinned plastic products slide toward the conveyor belt under the action of the inclined filter screen. The receiving plate on the conveyor belt can catch the insufficiently thinned plastic and then move upward. Under the action of the baffle, the receiving plate can be turned over in a small range, so that the plastic products on the receiving plate slide again between the two thinning rollers for secondary thinning and crushing. The subsequent receiving plate can be reset under the action of the torsion spring, which is convenient for the subsequent receiving work. The above device realizes automatic secondary or multiple thinning of the plastic that is insufficiently thinned for the first time, and increases the thinning degree and yield rate of the plastic products.

[0014] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0015] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a plastic thinning device for manufacturing plastic products proposed by the utility model;

[0017] Figure 2 A schematic diagram of a three-dimensional structure from another viewing angle of the present invention;

[0018] Figure 3 It is a schematic diagram of the internal three-dimensional structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the internal cross-sectional structure of the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the conveyor belt, transmission roller and second motor of the utility model;

[0021] Figure 6 It is a schematic diagram of the three-dimensional exploded structure of the elastic rotating component and the material receiving plate of the utility model.

[0022] Legend:

[0023] 1. Box body; 2. First motor; 3. Rotating shaft; 4. Refining roller; 5. Gear; 6. Support frame; 7. Filter; 8. Discharging hopper; 10. Transmission roller; 11. Conveyor belt; 12. Second motor; 13. Support plate; 14. Sleeve; 15. Rotating shaft; 16. Receiving plate; 17. Torsion spring; 18. Baffle; 19. Lower hopper; 20. Receiving trough. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-6 , a plastic thinning device for manufacturing plastic products, including a box body 1, two rotating shafts 3 are rotatably installed inside the box body 1, the two rotating shafts 3 are arranged oppositely, and thinning rollers 4 are fixedly installed on the two rotating shafts 3, and a support frame 6 is arranged below the two thinning rollers 4, and the support frame 6 is fixedly installed inside the box body 1, and a filter screen 7 is arranged inside the support frame 6, and two transmission rollers 10 are rotatably installed on the inner wall of the box body 1, and the two transmission rollers 10 are arranged oppositely up and down, and a conveyor belt 11 is connected to the two transmission rollers 10, and a plurality of receiving plates 16 are arranged on the conveyor belt 11, and elastic connection components are arranged between the plurality of receiving plates 16 and the conveyor belt 11, and baffles 18 are fixedly installed on the inner walls of both sides of the box body 1, and the support frame 6 is inclined toward the conveyor belt 11; the plastic products to be thinned are placed from the top of the box body 1 into the two thinning rollers 4 The refining roller 4 is a prior art, and its function is to refine the plastic products. After the refinement, the plastic falls onto the filter screen 7 below. The plastic that meets the requirements, that is, the plastic particles that are fully refined, fall into the interior of the receiving trough 20 below through the filter screen 7. The plastic products that are not fully refined slide toward the conveyor belt 11 under the action of the inclined filter screen 7. The receiving plate 16 on the conveyor belt 11 can catch the plastic that is not fully refined, and then move upward. Under the action of the baffle 18, the receiving plate 16 can be flipped over a small range, so that the plastic products on the receiving plate 16 slide again between the two refining rollers 4 for secondary refinement and crushing. The subsequent receiving plate 16 can be reset under the action of the torsion spring 17, which is convenient for the subsequent receiving work. The above device realizes automatic secondary or multiple refinement of the plastic that is not fully refined for the first time, thereby increasing the refinement degree and yield rate of the plastic products.

[0026] As the preferred technical solution of this embodiment, the elastic connection assembly includes a plurality of support plates 13, and the plurality of support plates 13 are respectively fixedly mounted on both sides of the conveyor belt 11, and a rotating shaft 15 is rotatably mounted between the plurality of support plates 13, and sleeves 14 are provided at both ends of the rotating shaft 15, and the sleeves 14 are fixedly connected to the support plates 13, and a torsion spring 17 is provided inside the sleeves 14, and one end of the torsion spring 17 is fixedly connected to the sleeve 14, and the other end of the torsion spring 17 is fixedly connected to the rotating shaft 15, and the rotating shaft 15 is fixedly connected to the receiving plate 16; the torsion spring 17 can provide a certain supporting force to the receiving plate 16, so that the plastic products falling onto the receiving plate 16 will not press down and flip the receiving plate 16, and can be reset after being flipped by the baffle 18, and the next material receiving work is carried out during the reciprocating cycle of the conveyor belt 11.

[0027] As a preferred technical solution of this embodiment, a first motor 2 is fixedly installed on the side wall of the box body 1, and the output end of the first motor 2 is transmission-connected to one of the rotating shafts 3. One end of the two rotating shafts 3 passes through the side wall of the box body 1 and is fixedly installed with gears 5, and the two gears 5 are meshed with each other; the first motor 2 and the two gears 5 realize the stable refinement work of the refinement roller 4.

[0028] As a preferred technical solution of this embodiment, a second motor 12 is fixedly installed on the side wall of the box body 1, and the output end of the second motor 12 is transmission-connected to one of the transmission rollers 10; the function of the second motor 12 enables the conveyor belt 11 to stably and continuously transmit the receiving plate 16.

[0029] As a preferred technical solution of this embodiment, a discharge hopper 8 is provided directly below the filter screen 7, and a lower hopper 19 is fixedly installed directly above the box body 1; the lower hopper 19 can be used to perform preliminary unloading of the box body 1, and the function of the discharge hopper 8 is to receive the refined particles filtered out to prevent the refined particles from falling out of the filter screen 7 and scattering.

[0030] As a preferred technical solution of this embodiment, a material receiving trough 20 is provided directly below the lower hopper 19; the material receiving trough 20 can receive the finished plastic after refinement, so as to facilitate the collection of the finished plastic after refinement.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plastic thinning device for manufacturing plastic products, comprising a box (1), characterized in that: Two rotating shafts (3) are rotatably mounted inside the box body (1), the two rotating shafts (3) are arranged opposite to each other, and thinning rollers (4) are fixedly mounted on the two rotating shafts (3). A support frame (6) is arranged below the two thinning rollers (4), and the support frame (6) is fixedly mounted inside the box body (1). A filter screen (7) is arranged inside the support frame (6). Two transmission rollers (10) are rotatably mounted on the inner wall of the box body (1), the two transmission rollers (10) are arranged opposite to each other up and down, and a conveyor belt (11) is connected between the two transmission rollers (10). A plurality of material receiving plates (16) are arranged on the conveyor belt (11), and elastic connection components are arranged between the plurality of material receiving plates (16) and the conveyor belt (11). Baffles (18) are fixedly mounted on the inner walls of both sides of the box body (1), and the support frame (6) is inclined toward the conveyor belt (11).

2. A plastic thinning device for manufacturing plastic products according to claim 1, characterized in that: The elastic connection assembly comprises a plurality of support plates (13), wherein the plurality of support plates (13) are respectively fixedly mounted on both sides of the conveyor belt (11), a rotating shaft (15) is rotatably mounted between the plurality of support plates (13), sleeves (14) are arranged at both ends of the rotating shaft (15), the sleeves (14) are fixedly connected to the support plates (13), a torsion spring (17) is arranged inside the sleeves (14), one end of the torsion spring (17) is fixedly connected to the sleeve (14), and the other end of the torsion spring (17) is fixedly connected to the rotating shaft (15), and the rotating shaft (15) is fixedly connected to a receiving plate (16).

3. A plastic thinning device for manufacturing plastic products according to claim 1, characterized in that: A first motor (2) is fixedly mounted on the side wall of the box body (1); an output end of the first motor (2) is drivingly connected to one of the rotating shafts (3); one end of each of the two rotating shafts (3) passes through the side wall of the box body (1) and is fixedly mounted with a gear (5); the two gears (5) are meshed with each other.

4. A plastic thinning device for manufacturing plastic products according to claim 1, characterized in that: A second motor (12) is fixedly mounted on the side wall of the box body (1), and an output end of the second motor (12) is drivingly connected to one of the driving rollers (10).

5. The plastic thinning device for manufacturing plastic products according to claim 1, characterized in that: A discharge hopper (8) is arranged directly below the filter screen (7), and a lower hopper (19) is fixedly installed directly above the box body (1).

6. A plastic thinning device for manufacturing plastic products according to claim 5, characterized in that: A material receiving trough (20) is arranged directly below the lower hopper (19).

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