Crusher for plastic particle processing
By introducing a sieve and baffle structure into the crusher, larger particles are automatically screened and re-crushed, solving the problem of multiple screenings and crushing in existing technologies and improving the efficiency of plastic particle processing.
Patent Information
- Application Number
- CN202423162992.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In the current plastic pellet crushing process, larger particles require multiple screenings and crushings, which is cumbersome and inefficient.
Design a crusher for processing plastic granules, which adopts an internal meshing crushing wheel and conveyor belt in a sieve, automatically screens and re-crushes larger particles through a baffle and barrier structure, and achieves cyclic crushing by utilizing gravity and drive components.
It enables automatic screening and re-crushing of larger particles, improving work efficiency and simplifying the operation process.
Smart Images

Figure CN223545532U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic pellet technology, and specifically to a crusher for processing plastic pellets. Background Technology
[0002] Plastic pellets are primarily made from petroleum and exist mainly as semi-finished plastic products, facilitating storage, transportation, and processing. To facilitate transportation and packaging, plastic raw materials are typically processed, crushed, and screened to form small granules for easy bagging.
[0003] The crushing process of plastic granules is generally completed on a crusher. However, during the crushing process, the crushed granules vary in size. The larger granules do not meet the processing requirements and need to be crushed again. The secondary crushing of larger granules usually involves first screening them out from the overall crushing pile and then pouring them into the crusher for secondary crushing. If there are still uncrushed larger granules among the larger granules, three or more screening processes may be required, making the overall operation quite complicated. Utility Model Content
[0004] In order to solve at least one of the technical problems mentioned in the background art, the purpose of this utility model is to provide a crusher for processing plastic granules, which automatically screens and crushes large granules, thereby increasing work efficiency.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a crusher for processing plastic granules, comprising a casing, a rotatable sieve cylinder disposed inside the casing, two meshing crushing wheels rotatably mounted inside the sieve cylinder, a first driving component for driving the sieve cylinder to rotate on the casing, a second driving component for driving the two crushing wheels to rotate in opposite directions on the casing, a conveyor belt for conveying plastic granules disposed on the casing and located inside the sieve cylinder, and a baffle fixedly mounted on the inner wall of the sieve cylinder.
[0006] Furthermore, a baffle plate is fixedly installed on the side of the baffle away from the inlet cylinder.
[0007] Furthermore, four rotating shafts are rotatably mounted on the inner wall of the casing, and are evenly arranged circumferentially on the outer side of the auger.
[0008] Furthermore, the conveyor belt is located above the two crushing wheels.
[0009] Furthermore, a collection hopper is fixedly installed on the lower side of the cover and below the funnel.
[0010] Furthermore, there are five baffles, which are evenly distributed axially around the inner wall of the inlet cylinder.
[0011] Furthermore, a funnel for conveying plastic granules to the conveyor belt is fixedly installed on the upper side of the cover.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: The conveyor belt transports the plastic material to two crushing wheels for crushing. The crushed plastic particles fall onto the sieve cylinder. Plastic particles that meet the particle size requirements fall downward through the holes on the sieve cylinder, while larger particles are screened out by the sieve cylinder and remain inside. The first driving component drives the sieve cylinder to rotate, and the baffle on the inner wall of the sieve cylinder will move the larger particles to the upper side of the sieve cylinder, that is, above the two crushing wheels. Under the action of gravity, the larger particles moved by the baffle will gradually slide off the baffle and fall onto the upper side of the crushing wheels, and then be crushed again. This cycle continues until the processing is completed, thereby automatically screening and crushing large particles and speeding up the work efficiency. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0014] Figure 2 This is a partial sectional view of the overall structure of this utility model;
[0015] Figure 3 This is a right-side sectional view of the overall structure of this utility model.
[0016] In the diagram: 1. Cover; 2. Funnel; 3. Crushing wheel; 4. First drive component; 5. Second drive component; 6. Conveyor belt; 7. Baffle; 8. Barrier; 9. Rotating shaft; 10. Collection hopper; 11. Funnel. Detailed Implementation
[0017] The technical solutions in the embodiments of this utility model are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0018] During the crushing process of plastic pellets, the crushed pellets vary in size. The larger pellets do not meet the processing requirements and need to be crushed again. The secondary crushing of larger pellets usually involves first screening them out from the overall crushing pile, and then feeding them into the crusher for secondary crushing. If there are still larger, uncrushed pellets among the larger ones, a third or even more sorting process may be required, making the operation quite cumbersome.
[0019] Please see Figure 1 and Figure 2This embodiment provides a crusher for processing plastic granules, including a housing 1, a rotatable hopper 2 inside the housing 1, two meshing crushing wheels 3 rotatably mounted inside the hopper 2, a first driving member 4 for driving the hopper 2 to rotate on the housing 1, wherein the first driving member 4 is a first driving motor, the first driving motor drives the hopper 2 to rotate, a second driving member 5 for driving the two crushing wheels 3 to rotate in opposite directions on the housing 1, wherein the second driving member 5 is a second driving motor, the second driving motor drives the crushing wheels 3 to rotate, a conveyor belt 6 for conveying plastic granules is provided on the housing 1 and located inside the hopper 2, and a baffle 7 is fixedly installed on the inner wall of the hopper 2.
[0020] When crushing plastic materials, the plastic materials are first transported to the upper or lower side of the two crushing wheels 3 via the conveyor belt 6, with the upper side being preferred. Thus, the conveyor belt 6 is generally located above the two crushing wheels 3. After the conveyor belt 6 transports the plastic materials to the upper side of the two crushing wheels, the second drive unit 5 drives the two crushing wheels to rotate. The two crushing wheels 3 rotate in opposite directions, thereby crushing and meshing the plastic materials. During the process of the plastic materials moving from top to bottom, the plastic materials are crushed into plastic particles.
[0021] The crushed plastic particles fall onto the sieve cylinder 2. The plastic particles that meet the particle size requirements fall downward through the holes on the sieve cylinder 2, while the larger particles are screened out by the sieve cylinder 2 and remain inside the sieve cylinder 2. The first driving component 4 drives the sieve cylinder 2 to rotate, and the baffle 7 on the inner wall of the sieve cylinder 2 will drive the larger particles to move upward on the sieve cylinder 2, that is, above the two crushing wheels 3. Under the action of gravity, the larger particles driven by the baffle 7 will gradually slide off the baffle 7 and fall onto the crushing wheels 3, and then be crushed and processed again. This cycle continues until the processing is completed, thereby automatically screening and crushing large particles and speeding up the work efficiency.
[0022] To increase the conveying capacity of plastic granules by the baffle 7, a baffle 8 is fixedly installed on the side of the baffle 7 away from the chute 2. The baffle 8 intercepts one side of the baffle 7, preventing the plastic granules from easily slipping off the baffle 7 before reaching its highest point during conveying, thereby increasing the conveying capacity and accelerating the crushing efficiency.
[0023] Please see Figure 3 Four rotating shafts 9 are rotatably mounted on the inner wall of the casing 1, and are evenly distributed around the outside of the filament 2. The rotating shafts 9 support and limit the movement of the filament 2, preventing it from moving in any direction. At the same time, there is rotational friction between the rotating shafts 9 and the filament 2.
[0024] Please see Figure 1 and Figure 2To facilitate the centralized collection of crushed plastic particles, a collection hopper 10 is fixedly installed on the lower side of the casing 1 and below the funnel 2. The particles are collected centrally through the collection hopper 10.
[0025] Please see Figure 1 and Figure 3 There are five baffles 7, evenly distributed axially around the inner wall of the sieve cylinder 2. Adding baffles 7 increases the amount of larger particles transported between the two crushing wheels 3 during a single rotation of the sieve cylinder 2. A funnel 11 for conveying plastic granules to the conveyor belt 6 is fixedly installed on the upper side of the casing 1. This facilitates the feeding of the plastic material to be processed onto the conveyor belt 6.
[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.
Claims
1. A crusher for processing plastic granules, comprising a casing (1), characterized in that, The casing (1) is rotatably equipped with a sieve cylinder (2), and two meshing crushing wheels (3) are rotatably installed inside the sieve cylinder (2). The casing (1) is equipped with a first driving member (4) for driving the sieve cylinder (2) to rotate, and a second driving member (5) for driving the two crushing wheels (3) to rotate in opposite directions. The casing (1) is equipped with a conveyor belt (6) for conveying plastic particles inside the sieve cylinder (2), and a baffle (7) is fixedly installed on the inner wall of the sieve cylinder (2).
2. The crusher for processing plastic granules according to claim 1, characterized in that, A baffle plate (8) is fixedly installed on the side of the baffle plate (7) away from the sluice tube (2).
3. The crusher for processing plastic granules according to claim 1, characterized in that, The inner wall of the cover (1) is rotatably mounted with a rotating shaft (9), and there are four rotating shafts (9) which are evenly arranged on the outside of the circumferential cylinder (2).
4. The crusher for processing plastic granules according to claim 1, characterized in that, The conveyor belt (6) is located above the two crushing wheels (3).
5. The crusher for processing plastic granules according to claim 1, characterized in that, A collection hopper (10) is fixedly installed on the lower side of the cover (1) and below the funnel (2).
6. The crusher for processing plastic granules according to claim 1, characterized in that, There are five baffles (7), which are evenly distributed axially around the inner wall of the inlet cylinder (2).
7. The crusher for processing plastic granules according to claim 1, characterized in that, A funnel (11) for conveying plastic granules to the conveyor belt (6) is fixedly installed on the upper side of the cover (1).