Hopper of plastic extruder

By designing a structure with moving components in the plastic extruder hopper, the raw materials in the hopper are unblocked, the blockage problem caused by raw material accumulation is solved and the feed efficiency is improved.

CN222779975UActive Publication Date: 2025-04-22湖北奥嘉达模具科技有限公司
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Patent Information

Application Number
CN202421465061.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-04-22
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

When too much raw materials are piled up in the hopper of the plastic extruder, bridge formation is prone to occur, resulting in clogging of raw materials and inconvenient for rapid feeding, reducing feeding efficiency.

Method used

A plastic extruder hopper is designed including a bucket body, a bracket, a dredging rod, a dredging plate, a top plate and a moving assembly. The movement of the top plate is driven by the moving component, which drives the movement of the dredging rod and dredging plate, so as to clear the raw materials in the hopper and avoid blockage.

Benefits of technology

It effectively avoids blockage caused by bridge formation and improves the feeding efficiency of raw materials in the hopper.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222779975U_ABST
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Abstract

The plastic extruder hopper comprises a hopper body, a support is fixed to the top end of the hopper body, a dredging rod located in the hopper body is connected to the support in a penetrating mode, a dredging plate is obliquely fixed to the outer wall of the dredging rod, a top plate located above the support is fixed to the top end of the dredging rod, and a movement assembly driving the top plate to move is arranged on the support; according to the hopper of the plastic extruder, when materials are fed through the hopper body, a cam is driven to rotate under the movement of a first driving motor, the cam drives a top plate to move, meanwhile, under the cooperation of a spring, the top plate can be driven to move up and down, the top plate drives a dredging rod to move up and down, and the dredging rod drives a dredging plate to move up and down; the raw materials in the hopper body can be dredged only by rotating the rotating shaft, the hopper body can be conveniently and rapidly fed, blockage caused by bridging of the raw materials is avoided, and the feeding efficiency of the raw materials is improved.
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Description

Technical Field

[0001] The present application relates to the technical field of plastic extruders, and in particular to a hopper for a plastic extruder. Background Art

[0002] In plastic extrusion equipment, plastic extruders are usually called main machines, while the subsequent equipment plastic extrusion molding machines are called auxiliary machines. After more than 100 years of development, plastic extruders have evolved from the original single screw to twin screws, multiple screws, and even screwless machines. Plastic extruders (main machines) can be matched with various plastic molding auxiliary machines such as pipes, films, holding materials, monofilaments, flat wires, strapping tapes, extruded nets, plates (sheets), profiles, granulation, cable coating, etc. to form various plastic extrusion molding production lines and produce various plastic products. Therefore, plastic extrusion molding machinery is one of the widely used machines in the plastic processing industry, whether now or in the future.

[0003] When the plastic raw material is fed into the extruder through the hopper, if there is too much raw material accumulation in the hopper, it is easy to cause bridging in the hopper, thereby causing the raw material accumulation to be blocked in the hopper, making it inconvenient to quickly feed the raw material and reducing the feeding efficiency of the raw material. Therefore, those skilled in the art provide a plastic extruder hopper to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the present application provides a plastic extruder hopper.

[0005] The present application provides a plastic extruder hopper adopting the following technical solution:

[0006] A plastic extruder hopper includes a hopper body, a bracket is fixed on the top of the hopper body, a dredging rod located in the hopper body is inserted and connected to the bracket, a dredging plate is fixed obliquely on the outer wall of the dredging rod, a top plate located above the bracket is fixed on the top of the dredging rod, and a moving component for driving the top plate to move is provided on the bracket.

[0007] By adopting the above technical solution, the movement of the top plate is driven by the motion component, which can drive the movement of the dredging rod and the dredging plate, thereby facilitating dredging in the hopper, avoiding blockage caused by bridging of raw materials, and improving the feeding efficiency of raw materials in the hopper.

[0008] Preferably, the motion assembly includes a motor seat fixedly arranged on the top end of the bracket, a first drive motor is fixed on the top end of the motor seat, and a cam that contacts the top plate is fixed on the output shaft of the first drive motor.

[0009] By adopting the above technical solution and using the motion component, the movement of the top plate can be easily driven.

[0010] Preferably, the bottom end of the top plate is fixedly connected to the bracket via a spring.

[0011] By adopting the above technical solution, the motion component is used in conjunction with the spring to facilitate the reciprocating up and down movement of the top plate.

[0012] Preferably, a circular ring is rotatably provided in the bucket body, a rotating plate is fixed to the bottom end of the circular ring, a scraper in contact with the inner wall of the bucket is fixed to one side of the rotating plate, and a rotating component for driving the circular ring to move is provided on the bucket body.

[0013] By adopting the above technical solution, the rotating assembly drives the ring to rotate, which can drive the scraper to scrape and clean the inner wall of the bucket, thereby reducing the residue of raw materials, facilitating the full feeding of raw materials, and improving the feeding efficiency of raw materials.

[0014] Preferably, the rotating assembly includes a second driving motor fixedly mounted on the outer wall of the bucket body, a driving wheel is fixed to the output shaft of the second driving motor, and a driven wheel in a ring shape meshing with the driving wheel is fixed to the top end of the circular ring.

[0015] By adopting the above technical solution and using the rotating assembly, the ring can be driven to rotate conveniently.

[0016] Preferably, the shapes of the rotating plate and the scraper match the shape of the inner wall of the bucket.

[0017] By adopting the above technical solution, the scraper can be in full contact and fit with the inner wall of the bucket.

[0018] In summary, this application includes the following beneficial technical effects:

[0019] 1. When the plastic extruder hopper is fed through the hopper body, the movement of the first drive motor drives the cam to rotate, and the cam drives the movement of the top plate. At the same time, with the cooperation of the spring, the top plate can be driven to move up and down, and the top plate drives the up and down movement of the dredging rod, and the dredging rod drives the up and down movement of the dredging plate, so as to dredge the raw materials in the hopper body, facilitate the rapid feeding of the hopper body, avoid the blockage of the raw materials due to bridging, and improve the feeding efficiency of the raw materials.

[0020] 2. When part of the raw materials remain on the inner wall of the hopper of the plastic extruder, the second driving motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate, the driven wheel drives the ring to rotate, the ring drives the rotating plate to rotate along the inner wall of the hopper, the rotating plate can drive the scraper to scrape and clean the inner wall of the hopper, reduce the residual raw materials on the inner wall of the hopper, facilitate the full feeding of raw materials, and improve the feeding efficiency of raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a structural schematic diagram of a plastic extruder hopper in an embodiment of the present application;

[0022] Figure 2 This is a schematic diagram of the structure of a moving component of a plastic extruder hopper in an embodiment of the present application;

[0023] Figure 3 It is a schematic diagram of the structure of a rotating component of a plastic extruder hopper in an embodiment of the present application;

[0024] Figure 4 It is a schematic diagram of the scraper structure of a plastic extruder hopper in an embodiment of the present application.

[0025] Explanation of the reference numerals in the accompanying drawings: 1. bucket body; 2. bracket; 3. dredging rod; 4. dredging plate; 5. top plate; 6. moving component; 61. motor seat; 62. first drive motor; 63. cam; 7. spring; 8. ring; 9. rotating plate; 10. scraper; 11. rotating component; 111. second drive motor; 112. driving wheel; 113. driven wheel. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-4 This application is described in further detail.

[0027] The present application embodiment discloses a plastic extruder hopper. Figure 1-4 A plastic extruder hopper includes a hopper body 1, a bracket 2 is fixed to the top of the hopper body 1, a dredging rod 3 located in the hopper body 1 is inserted and connected to the bracket 2, a dredging plate 4 is obliquely fixed to the outer wall of the dredging rod 3, a top plate 5 located above the bracket 2 is fixed to the top of the dredging rod 3, and a moving component 6 for driving the top plate 5 to move is provided on the bracket 2.

[0028] In this embodiment, when feeding through the bucket body 1, the movement of the moving component 6 drives the movement of the top plate 5, the top plate 5 drives the movement of the dredging rod 3, and the dredging rod 3 drives the movement of the dredging plate 4. The bucket body 1 can be dredged with the cooperation of the dredging rod 3 and the dredging plate 4, which facilitates the rapid feeding of the bucket body 1, avoids the blockage of raw materials due to bridging, and improves the feeding efficiency of the raw materials.

[0029] In a further embodiment, Figure 2 As shown, the motion component 6 includes a motor base 61 fixedly arranged at the top of the bracket 2, a first drive motor 62 is fixed to the top of the motor base 61, an output shaft of the first drive motor 62 is fixed with a cam 63 that contacts the top plate 5, and the bottom end of the top plate 5 is fixedly connected to the bracket 2 through a spring 7.

[0030] When feeding through the bucket body 1, the movement of the first drive motor 62 drives the cam 63 to rotate, and the cam 63 drives the top plate 5 to move. At the same time, with the use of the spring 7, the top plate 5 can be driven to move up and down, and the top plate 5 drives the dredging rod 3 to move up and down, and the dredging rod 3 drives the dredging plate 4 to move up and down, so that the bucket body 1 can be dredged, which is convenient for the rapid feeding of the bucket body 1, avoids the blockage of raw materials due to bridging, and improves the feeding efficiency of raw materials.

[0031] In a further preferred embodiment of the present invention, Figure 1 As shown, a circular ring 8 is rotatably provided in the bucket body 1, a rotating plate 9 is fixed to the bottom end of the circular ring 8, a scraper 10 that contacts the inner wall of the bucket body 1 is fixed to one side of the rotating plate 9, and a rotating component 11 that drives the circular ring 8 to move is provided on the bucket body 1.

[0032] When part of the raw material remains on the inner wall of the bucket body 1, the movement of the rotating component 11 drives the ring 8 to rotate, the ring 8 drives the rotation of the rotating plate 9, and the rotating plate 9 drives the movement of the scraper 10, so that the raw material remaining on the inner wall of the bucket body 1 can be scraped and cleaned, reducing the residual raw material on the inner wall of the bucket body 1, facilitating the full feeding of the raw material in the bucket body 1, and improving the feeding efficiency of the raw material.

[0033] In a further embodiment, Figure 3-4 As shown, the rotating assembly 11 includes a second driving motor 111 fixedly arranged on the outer wall of the bucket body 1, the output shaft of the second driving motor 111 is fixed with a driving wheel 112, the top of the ring 8 is fixed with a ring-shaped driven wheel 113 meshing with the driving wheel 112, and the shapes of the rotating plate 9 and the scraper 10 match the shape of the inner wall of the bucket body 1.

[0034] When raw materials remain in the bucket body 1, the movement of the second driving motor 111 drives the driving wheel 112 to rotate, and the driving wheel 112 drives the driven wheel 113 to rotate, and the driven wheel 113 drives the ring 8 to rotate, thereby driving the rotating plate 9 to rotate along the inner wall of the bucket body 1, and the rotating plate 9 drives the scraper 10 to scrape and clean the inner wall of the bucket body 1, thereby reducing the residual raw materials on the inner wall of the bucket body 1, facilitating the full feeding of the bucket body 1, and improving the feeding efficiency of the bucket body 1.

[0035] The implementation principle of a plastic extruder hopper of the present application embodiment is as follows: when feeding through the hopper body 1, the movement of the first drive motor 62 drives the rotation of the cam 63, and the cam 63 drives the movement of the top plate 5. At the same time, with the use of the spring 7, the top plate 5 can be driven to move up and down, and the top plate 5 drives the dredging rod 3 to move up and down, and the dredging rod 3 drives the dredging plate 4 to move up and down, so as to dredge the raw materials in the hopper body 1, facilitate the rapid feeding of the hopper body 1, avoid the blockage of the raw materials due to bridging, and improve the raw materials. In order to improve the feeding efficiency, when part of the raw material remains on the inner wall of the bucket body 1, the second driving motor 111 drives the driving wheel 112 to rotate, the driving wheel 112 drives the driven wheel 113 to rotate, and the driven wheel 113 drives the ring 8 to rotate. The ring 8 drives the rotating plate 9 to rotate along the inner wall of the bucket body 1, and the rotating plate 9 can drive the scraper 10 to scrape and clean the inner wall of the bucket body 1, thereby reducing the residual raw material on the inner wall of the bucket body 1, facilitating the full feeding of the raw material in the bucket body 1, and improving the feeding efficiency of the bucket body 1.

[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A plastic extruder hopper, comprising a hopper body (1), characterized in that: A bracket (2) is fixed to the top of the bucket body (1), and a dredging rod (3) located in the bucket body (1) is inserted and connected to the bracket (2). A dredging plate (4) is fixed obliquely to the outer wall of the dredging rod (3), and a top plate (5) located above the bracket (2) is fixed to the top of the dredging rod (3). A motion component (6) for driving the top plate (5) to move is provided on the bracket (2).

2. A plastic extruder hopper according to claim 1, characterized in that: The motion assembly (6) comprises a motor seat (61) fixedly arranged at the top end of the bracket (2), a first drive motor (62) being fixed at the top end of the motor seat (61), and a cam (63) abutting against the top plate (5) being fixed to the output shaft of the first drive motor (62).

3. A plastic extruder hopper according to claim 2, characterized in that: The bottom end of the top plate (5) is fixedly connected to the bracket (2) via a spring (7).

4. A plastic extruder hopper according to claim 3, characterized in that: A circular ring (8) is rotatably provided in the bucket body (1), a rotating plate (9) is fixed at the bottom end of the circular ring (8), a scraper (10) that contacts the inner wall of the bucket body (1) is fixed on one side of the rotating plate (9), and a rotating component (11) that drives the circular ring (8) to move is provided on the bucket body (1).

5. A plastic extruder hopper according to claim 4, characterized in that: The rotating assembly (11) comprises a second driving motor (111) fixedly arranged on the outer wall of the bucket body (1); a driving wheel (112) is fixedly arranged on the output shaft of the second driving motor (111); and a driven wheel (113) in the shape of a ring and meshing with the driving wheel (112) is fixedly arranged on the top end of the circular ring (8).

6. A plastic extruder hopper according to claim 5, characterized in that: The shapes of the rotating plate (9) and the scraper (10) match the shape of the inner wall of the bucket body (1).