Environment-friendly plastic granulator with adjustable granulation size

By introducing an adjustable discharge port and screening mechanism into the plastic granulator, the problem of the inability to adjust the particle diameter in existing plastic granulators has been solved, achieving flexible applicability of the equipment and improved product quality.

CN223790799UActive Publication Date: 2026-01-13DONGGUAN ZHONGYI NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202423284757.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-13
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing plastic granulators can only produce plastic granules of a fixed diameter, which cannot meet the adjustment needs when production demands change, resulting in increased equipment investment costs, waste of resources, and reduced production efficiency.

Method used

A plastic granulator including an auxiliary discharge plate and a rotating sleeve was designed. The diameter of the discharge hole is controlled by adjusting the position of the auxiliary discharge plate, and the screen in the screening cylinder is vibrated for screening, so as to adjust the size of plastic particles and improve their quality.

Benefits of technology

It enables flexible adjustment of plastic granule diameter, reduces equipment investment and resource waste, and improves production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an environment-friendly plastic granulator with adjustable granulation size, and aims to solve the technical problems that in the prior art, a granulator only produces plastic granules with fixed diameters, and when the diameters of the plastic granules are adjusted, the conventional granulator cannot meet the requirements. The pelletizer comprises a bottom plate, a pelletizer body, a feeding pipe, a main material leaking plate and a cutting blade, the pelletizer body is installed on the surface of the bottom plate, the feeding pipe is connected to the upper surface of the pelletizer body in a penetrating mode, the main material leaking plate is connected to the end of the feeding pipe, and the cutting blade is installed on the outer side of the main material leaking plate; an auxiliary material leaking plate is arranged on the side surface of the main material leaking plate. According to the granulator, a first fixing bolt is detached from the interior of a first threaded pipe and then drives an auxiliary material leakage plate to rotate, and the auxiliary material leakage plate drives a fixing plate to move to the side surface of a second side lug and fixes the fixing plate through the first fixing bolt and a second threaded pipe, so that the diameter of an extruded material can be controlled through a discharging hole; therefore, plastic particles with different sizes can be produced.
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Description

Technical Field

[0001] This utility model belongs to the technical field of plastic granulators, specifically relating to an environmentally friendly plastic granulator with adjustable granulation size. Background Technology

[0002] An environmentally friendly plastic granulator is an advanced piece of equipment primarily used to crush, mix, and reprocess waste plastics into reusable, environmentally friendly plastic pellets. The working principle of an environmentally friendly plastic granulator mainly includes the following steps: feeding the plastic raw material into a crushing system for crushing; feeding the crushed plastic raw material into a melting system for melting; feeding the molten plastic raw material into an extrusion system for extrusion; and finally, having it pelletized into various shapes by a pelletizing system. Environmentally friendly plastic granulators are suitable for various plastic product industries, such as packaging products, home appliances, building materials, and automotive parts. They enable the reuse of waste plastic raw materials, providing the plastic product industry with a more efficient, energy-saving, and environmentally friendly production method.

[0003] The existing granulators have the following problems during use:

[0004] Current plastic pelletizers have a limitation in use: they can typically only produce plastic pellets of a fixed diameter. This limitation means that when production demands change and require adjustments to the pellet diameter, existing pelletizers are often unable to meet the requirements. To address this, manufacturers usually need to purchase another pelletizer capable of producing the desired diameter. This not only increases equipment investment costs but can also lead to resource waste and reduced efficiency in the production process. Idle pelletizers require maintenance and management, and frequent equipment replacements can affect the stability and continuity of the production line. Utility Model Content

[0005] (1) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, the purpose of this invention is to provide an environmentally friendly plastic pelletizer with adjustable pellet size. This pelletizer aims to solve a limitation of current plastic pelletizers, which typically only produce plastic pellets of a fixed diameter. This limitation means that when production demands change and require adjustments to the pellet diameter, existing pelletizers often cannot meet the requirements. To cope with such changes, manufacturers usually need to purchase another pelletizer capable of producing pellets of the desired diameter. This not only increases equipment investment costs but may also lead to resource waste and reduced efficiency in the production process, as idle pelletizers require maintenance and management, and frequent equipment replacements can also affect the stability and continuity of the production line.

[0007] (2) Technical solution

[0008] To solve the above-mentioned technical problems, this utility model provides an environmentally friendly plastic granulator with adjustable granulation size. The granulator includes a base plate, a granulator body, a feed pipe, a main discharge plate, and a cutting blade. The granulator body is installed on the surface of the base plate, and the feed pipe is connected through the upper surface of the granulator body. The end of the feed pipe is connected to the main discharge plate, and the cutting blade is installed on the outer side of the main discharge plate.

[0009] An auxiliary material discharge plate is provided on the side surface of the main material discharge plate. The surface of the auxiliary material discharge plate has a discharge hole. A rotating sleeve is connected to the side surface of the auxiliary material discharge plate. A rotating groove is provided on the surface of the main material discharge plate near the rotating sleeve. A first side ear is connected to the side surface of the main material discharge plate. A first threaded tube is connected through the inside of the first side ear. A second side ear is connected to the side surface of the main material discharge plate. A second threaded tube is connected through the inside of the second side ear. A fixing plate is connected to the side surface of the auxiliary material discharge plate. A fixing hole is provided on the surface of the fixing plate. A first fixing bolt is connected through the inside of the fixing hole.

[0010] When using the granulator of this technical solution, after the auxiliary material discharge plate drives the fixed plate to rotate 18°, the first fixing bolt passes through the fixing hole and is threadedly connected to the second threaded pipe, thereby fixing the position of the auxiliary material discharge plate. In this way, the diameter of the extruded material can be controlled through the discharge hole.

[0011] Preferably, the auxiliary material discharge plate and the main material discharge plate are provided with discharge holes of the same size and position. After the auxiliary material discharge plate is rotated 18°, the center of the discharge hole and the center of the discharge hole on the surface of the main material discharge plate are on the same horizontal line. After the auxiliary material discharge plate is rotated 18°, the discharge hole and the discharge hole of the main material discharge plate are aligned, so that the diameter of the extruded material can be controlled through the discharge hole.

[0012] Furthermore, the rotating sleeve forms a rotating structure with the main material discharge plate through the rotating groove. When the auxiliary material discharge plate is subjected to force, it can drive the rotating sleeve to rotate inside the rotating groove, which can limit the movement direction of the auxiliary material discharge plate.

[0013] Furthermore, the first threaded tube and the second threaded tube are the same size, and the first threaded tube is threaded to the first fixing bolt. When the first threaded tube is threaded to the first fixing bolt, the position of the auxiliary material leakage plate can be fixed.

[0014] Furthermore, a screening cylinder is connected to the side surface of the bottom plate at the end of the granulator body. A screen is installed on the inner wall of the screening cylinder. A connecting block is connected to the side surface of the screen. A round hole is opened on the surface of the connecting block. A second fixing bolt passes through the inside of the connecting block. A threaded hole is opened on the surface of the screening cylinder near the second fixing bolt. A drive motor is installed on the outer surface of the screening cylinder. A horizontal shaft is connected to the output end of the drive motor. A bearing is installed between the horizontal shaft and the screening cylinder. An eccentric wheel is connected to the end of the horizontal shaft.

[0015] Furthermore, the connecting block, round hole, second fixing bolt and threaded hole are symmetrically arranged on both sides of the screen. The second fixing bolt and the threaded hole are threadedly connected. The screen can be installed inside the screening cylinder through the threaded connection between the second fixing bolt and the threaded hole.

[0016] Furthermore, the horizontal shaft forms a rotating structure with the screening cylinder through the bearing. The drive motor drives the horizontal shaft to rotate inside the bearing. When the horizontal shaft rotates, it can drive the eccentric wheel to rotate, and the rotation of the eccentric wheel can drive the screen to vibrate.

[0017] (3) Beneficial effects

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] 1. In this utility model, after the first fixing bolt is removed from the inside of the first threaded tube, it rotates inside the rotating groove driven by the auxiliary material leakage plate. When the auxiliary material leakage plate drives the fixing plate to the second side ear surface, the first fixing bolt passes through the fixing hole and is threadedly connected to the second threaded tube, thereby fixing the position of the auxiliary material leakage plate. In this way, the diameter of the extruded material can be controlled through the discharge hole, thereby controlling the granulation size of the plastic granules after the cutting blade, which facilitates increasing the applicability of the plastic granulator.

[0020] 2. In this utility model, when the cut plastic granules fall into the screen inside the screening cylinder, the drive motor drives the horizontal shaft to rotate inside the bearing. When the horizontal shaft rotates, it can drive the eccentric wheel to rotate. The rotation of the eccentric wheel can drive the screen to vibrate, thereby screening the plastic granules through vibration. This can screen out the sticky plastic granules and let them slide out from the side surface of the screening cylinder, thereby improving the product quality of the plastic granules. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main structure of one specific embodiment of the device of this utility model;

[0022] Figure 2 This is a schematic diagram of a granulator structure according to a specific embodiment of the device of this utility model;

[0023] Figure 3 This is a partial structural cross-sectional view of a specific embodiment of the device of this utility model;

[0024] Figure 4 This is a partial structural schematic diagram of one specific embodiment of the device of this utility model;

[0025] Figure 5 An exploded view of a partial structure of one specific embodiment of the device of this utility model;

[0026] Figure 6 A first cross-sectional view of the screening mechanism of a specific embodiment of the device of this utility model;

[0027] Figure 7 A second cross-sectional view of the screening mechanism of a specific embodiment of the device of this utility model;

[0028] Figure 8 This is one specific embodiment of the device of this utility model. Figure 6 Schematic diagram of the structure at point A in the middle.

[0029] The labels in the attached diagram are:

[0030] 1. Base plate; 2. Granulator body; 3. Feed pipe; 4. Main discharge plate; 5. Cutting blade; 6. Auxiliary discharge plate; 7. Discharge hole; 8. Rotating sleeve; 9. Rotating groove; 10. First side lug; 11. First threaded pipe; 12. Second side lug; 13. Second threaded pipe; 14. Fixing plate; 15. Fixing hole; 16. First fixing bolt; 17. Screening cylinder; 18. Screen; 19. Connecting block; 20. Round hole; 21. Second fixing bolt; 22. Threaded hole; 23. Drive motor; 24. Horizontal shaft; 25. Bearing; 26. Eccentric wheel. Detailed Implementation

[0031] This specific embodiment is an environmentally friendly plastic pelletizer with adjustable pellet size, and its structural schematic diagram is shown below. Figure 1-8 As shown, the granulator includes a base plate 1, a granulator body 2, a feed pipe 3, a main discharge plate 4, and a cutting blade 5. The granulator body 2 is mounted on the surface of the base plate 1. The feed pipe 3 is connected through the upper surface of the granulator body 2. The end of the feed pipe 3 is connected to the main discharge plate 4. The cutting blade 5 is mounted on the outer side of the main discharge plate 4.

[0032] An auxiliary material discharge plate 6 is provided on the side surface of the main material discharge plate 4. The surface of the auxiliary material discharge plate 6 is provided with a discharge hole 7. A rotating sleeve 8 is connected to the side surface of the auxiliary material discharge plate 6. A rotating groove 9 is provided on the surface of the main material discharge plate 4 near the rotating sleeve 8. A first side ear 10 is connected to the side surface of the main material discharge plate 4. A first threaded tube 11 is connected through the inside of the first side ear 10. A second side ear 12 is connected to the side surface of the main material discharge plate 4. A second threaded tube 13 is connected through the inside of the second side ear 12. A fixing plate 14 is connected to the side surface of the auxiliary material discharge plate 6. A fixing hole 15 is provided on the surface of the fixing plate 14. A first fixing bolt 16 is connected through the inside of the fixing hole 15.

[0033] The auxiliary material leakage plate 6 and the main material leakage plate 4 are provided with leakage holes of the same size and position. After the auxiliary material leakage plate 6 is rotated 18°, the center of the discharge hole 7 and the center of the leakage hole on the surface of the main material leakage plate 4 are on the same horizontal line. The rotating sleeve 8 forms a rotating structure with the main material leakage plate 4 through the rotating groove 9. The first threaded tube 11 and the second threaded tube 13 are the same size. The first threaded tube 11 and the first fixing bolt 16 are connected by threads.

[0034] In addition, a screening cylinder 17 is connected to the side surface of the bottom plate 1 at the end of the granulator body 2. A screen 18 is provided on the inner wall of the screening cylinder 17. A connecting block 19 is connected to the side surface of the screen 18. A round hole 20 is opened on the surface of the connecting block 19. A second fixing bolt 21 passes through the inside of the connecting block 19. A threaded hole 22 is opened on the surface of the screening cylinder 17 near the second fixing bolt 21. A drive motor 23 is installed on the outer surface of the screening cylinder 17. A horizontal shaft 24 is connected to the output end of the drive motor 23. A bearing 25 is installed between the horizontal shaft 24 and the screening cylinder 17. An eccentric wheel 26 is connected to the end of the horizontal shaft 24. The connecting block 19, the round hole 20, the second fixing bolt 21 and the threaded hole 22 are symmetrically arranged on both sides of the screen 18. The second fixing bolt 21 and the threaded hole 22 are threadedly connected. The horizontal shaft 24 forms a rotating structure with the screening cylinder 17 through the bearing 25.

[0035] Working principle: When using the device of this technical solution, when the diameter of the plastic granules needs to be adjusted, the first fixing bolt 16 can be rotated first. The first fixing bolt 16 can move outward when it rotates inside the first threaded tube 11. After the first fixing bolt 16 moves to the outside of the first threaded tube 11, it is removed. Then, the auxiliary material leakage plate 6 can drive the rotating sleeve 8 to rotate inside the rotating groove 9. When the auxiliary material leakage plate 6 drives the fixing plate 14 to the side surface of the second side ear 12, the angle of rotation of the auxiliary material leakage plate 6 is 18°. At this time, the discharge hole 7 is aligned with the discharge hole of the main material leakage plate 4. Then, the first fixing bolt 16 passes through the fixing hole 15 and moves to the end of the second threaded tube 13 and rotates. In this way, the position of the auxiliary material leakage plate 6 can be fixed through the threaded connection between the first fixing bolt 16 and the second threaded tube 13. This can control the diameter of the extruded material, thereby controlling the granulation size of the plastic granules after the cutting blade 5.

[0036] When the cut plastic granules fall into the screen 18 inside the screening cylinder 17, the drive motor 23 drives the horizontal shaft 24 to rotate inside the bearing 25. When the horizontal shaft 24 rotates, it can drive the eccentric wheel 26 to rotate. The rotation of the eccentric wheel 26 can drive the screen 18 to vibrate, so that the plastic granules can be screened by vibration, and the sticky plastic granules can be screened out and slide out from the side surface of the screening cylinder 17.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. An environmentally friendly plastic granulator with adjustable granulation size, the granulator comprising a base plate (1), a granulator body (2), a feed pipe (3), a main discharge plate (4), and a cutting blade (5), characterized in that, The base plate (1) is mounted on the surface of the granulator body (2), and the upper surface of the granulator body (2) is connected to the feed pipe (3). The end of the feed pipe (3) is connected to the main discharge plate (4), and the outer side of the main discharge plate (4) is equipped with a cutting blade (5). An auxiliary material discharge plate (6) is provided on the side surface of the main material discharge plate (4). The surface of the auxiliary material discharge plate (6) is provided with a discharge hole (7). A rotating sleeve (8) is connected to the side surface of the auxiliary material discharge plate (6). A rotating groove (9) is provided on the surface of the main material discharge plate (4) near the rotating sleeve (8). A first side ear (10) is connected to the side surface of the main material discharge plate (4). A first threaded tube (11) is connected through the inside of the first side ear (10). A second side ear (12) is connected to the side surface of the main material discharge plate (4). A second threaded tube (13) is connected through the inside of the second side ear (12). A fixing plate (14) is connected to the side surface of the auxiliary material discharge plate (6). A fixing hole (15) is provided on the surface of the fixing plate (14). A first fixing bolt (16) is connected through the inside of the fixing hole (15).

2. The environmentally friendly plastic granulator with adjustable granulation size according to claim 1, characterized in that, The auxiliary material discharge plate (6) and the main material discharge plate (4) are provided with discharge holes of the same size and position. After the auxiliary material discharge plate (6) is rotated 18°, the center of the discharge hole (7) and the center of the discharge hole on the surface of the main material discharge plate (4) are on the same horizontal line.

3. The environmentally friendly plastic granulator with adjustable granulation size according to claim 2, characterized in that, The rotating sleeve (8) forms a rotating structure with the main material discharge plate (4) through the rotating groove (9).

4. The environmentally friendly plastic granulator with adjustable granulation size according to claim 3, characterized in that, The first threaded tube (11) and the second threaded tube (13) are the same size, and the first threaded tube (11) and the first fixing bolt (16) are connected by threads.

5. The environmentally friendly plastic granulator with adjustable granulation size according to claim 1, characterized in that, A screening cylinder (17) is connected to the side surface of the bottom plate (1) located at the end of the granulator body (2). A screen (18) is provided on the inner wall of the screening cylinder (17). A connecting block (19) is connected to the side surface of the screen (18). A round hole (20) is opened on the surface of the connecting block (19). A second fixing bolt (21) passes through the inside of the connecting block (19). A threaded hole (22) is opened on the surface of the screening cylinder (17) near the second fixing bolt (21). A drive motor (23) is installed on the outer surface of the screening cylinder (17). A horizontal shaft (24) is connected to the output end of the drive motor (23). A bearing (25) is installed between the horizontal shaft (24) and the screening cylinder (17). An eccentric wheel (26) is connected to the end of the horizontal shaft (24).

6. The environmentally friendly plastic granulator with adjustable granulation size according to claim 5, characterized in that, The connecting block (19), the round hole (20), the second fixing bolt (21) and the threaded hole (22) are symmetrically arranged on both sides of the screen (18), and the second fixing bolt (21) and the threaded hole (22) are threadedly connected.

7. The environmentally friendly plastic granulator with adjustable granulation size according to claim 6, characterized in that, The horizontal shaft (24) forms a rotating structure with the screening cylinder (17) via the bearing (25).