Self-cleaning mixing machine for plastic production

By introducing a motor-driven gear and rack system and a nozzle system into the mixer, automatic cleaning of the inner wall of the mixer and the mixing shaft is achieved, solving the problems of cumbersome cleaning operations and water consumption in the existing technology, and achieving the effects of simplified operation and water saving.

CN223989648UActive Publication Date: 2026-03-13HENAN JINLIJIE PIPE IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Existing mixing machines used in plastic production lack automatic cleaning devices, resulting in cumbersome cleaning operations and high water consumption.

Method used

A self-cleaning mixer was designed. Through a motor-driven gear and rack system, combined with nozzles and conveying pipes, the mixer's inner wall and mixing shaft are automatically cleaned. The movement and cleaning of the nozzles are achieved by the cooperation of electric push rods and gears.

Benefits of technology

It achieves automatic cleaning of the inner wall of the mixer and the mixing shaft, is easy to operate, and saves water resources.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mixing machines for plastic production, in particular to a self-cleaning mixing machine for plastic production, which comprises a bottom frame, a mixing tank and a mixing shaft, the mixing tank is mounted on the upper end face of the bottom frame in a penetrating manner, and the mixing shaft is arranged in the mixing tank. The lower end of the transverse plate is rotatably connected with a sleeve through a bearing, the outer wall of the sleeve is fixedly connected with a first gear, the outer wall of the first gear is in meshed connection with a first rack, an electric push rod is installed on the upper end face of the transverse plate, the output end of the electric push rod is fixedly connected with a vertical plate, and the lower end of the vertical plate is fixedly connected with the first rack; the stirring shaft can be flushed through the spray head at the left end of the drainage cavity, and the inner wall of the stirring tank can be cleaned through the spray head at the right end of the drainage cavity, so that the purposes of automatically cleaning the inner wall of the stirring machine and the stirring shaft, being simple to operate and saving water resources are achieved.
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Description

Technical Field

[0001] This utility model relates to the technical field of mixing machines for plastic production, specifically a self-cleaning mixing machine for plastic production. Background Technology

[0002] A plastic mixing machine mainly consists of a mixer, a motor, a reducer, and a casing. The mixer is the core component, its rotation causing the plastic raw materials to mix evenly. The motor provides power, which is transmitted to the mixer through the reducer. The casing provides protection and support. During operation, the motor drives the mixer to rotate via the reducer, and the mixer mixes and agitates the plastic raw materials within the casing. During this mixing process, the raw materials are fully dispersed and uniformly mixed, ultimately resulting in a plastic mixture of consistent quality.

[0003] After use, plastic mixing machines require cleaning of residual powder inside. However, existing plastic mixing machines typically lack automatic cleaning devices. Cleaning the inside usually requires manual cleaning with a handheld high-pressure nozzle, which is cumbersome. Alternatively, the machine can be filled with water and soaked for cleaning, but this wastes water resources. Therefore, a self-cleaning plastic mixing machine is needed. Utility Model Content

[0004] The purpose of this invention is to provide a self-cleaning mixing machine for plastic production, which can automatically clean the inner wall of the mixing machine and the mixing shaft, is easy to operate, and saves water resources.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a self-cleaning mixing machine for plastic production, comprising a base frame, a mixing tank installed through the upper end face of the base frame, and a stirring shaft disposed inside the mixing tank. A horizontal plate is fixedly connected to the upper end face of the mixing tank, and a sleeve is rotatably connected to the lower end of the horizontal plate via a bearing. A first gear is fixedly connected to the outer wall of the sleeve, and a first rack is meshed with the outer wall of the first gear. An electric push rod is installed on the upper end face of the horizontal plate, and a vertical plate is fixedly connected to the output end of the electric push rod. The lower end of the vertical plate is fixedly connected to the first rack.

[0006] A bracket is fixedly connected to the outer wall of the sleeve. A second rack is slidably connected to the right end of the bracket via a T-shaped groove. A fixing plate is fixedly connected to the upper end of the bracket. A first motor is installed at the front end of the fixing plate. The output end of the first motor passes through the fixing plate and is fixedly connected to a second gear that meshes with the second rack. A drainage cavity is fixedly connected to the outer wall of the second rack. A delivery pipe is connected to the upper end of the drainage cavity. Multiple evenly distributed nozzles are installed at both the left and right ends of the drainage cavity.

[0007] In order to drive the stirring shaft and stirring rods to rotate, as a preferred embodiment of the self-cleaning plastic production mixing machine of this utility model, a second motor is installed on the upper end face of the horizontal plate, the output end of the second motor passes through the horizontal plate and is fixedly connected to the stirring shaft, and multiple evenly distributed stirring rods are fixedly connected to the outer wall of the stirring shaft.

[0008] To increase the stability of the movement of the first rack, in a preferred embodiment of the self-cleaning plastic production mixing machine of this utility model, a limiting rod is fixedly connected to the upper end face of the first rack, and the limiting rod is slidably connected to the lower end face of the cross plate through a sliding groove.

[0009] In order to limit the movement of the second rack, as a preferred embodiment of the self-cleaning plastic production mixing machine of this utility model, both the upper and lower end faces of the second rack are fixedly connected with limit plates.

[0010] To facilitate the discharge of materials and wastewater, in a preferred embodiment of this self-cleaning plastic production mixing machine, the lower end of the mixing tank is connected to a discharge pipe, and a shut-off valve is installed on the outer wall of the discharge pipe.

[0011] In order to control the operation of each component, a controller is preferably installed on the upper surface of the base frame as a preferred embodiment of the self-cleaning plastic production mixing machine of this utility model.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] This invention allows for the automatic cleaning of the mixing tank's interior. A first motor, a second gear, and a second rack work together to move the drainage chamber and nozzles into the tank. A conveying pipe is connected to a water source pipe, and a water pump at the water source pipe introduces clean water into the drainage chamber through the conveying pipe. The clean water is then sprayed out through the nozzles. Simultaneously, an electric actuator moves the vertical plate and the first rack, causing the first gear to rotate reciprocally. This rotation drives the connected sleeve, support, and drainage chamber to rotate. The nozzles at the left end of the drainage chamber rinse the mixing shaft, while the nozzles at the right end clean the inner wall of the mixing tank. This achieves automatic cleaning of the mixing machine's inner wall and mixing shaft, simplifying operation and saving water resources. Attached Figure Description

[0014] Figure 1 This is an overall structural diagram of the present invention;

[0015] Figure 2 This is a structural diagram of the mixing tank of this utility model;

[0016] Figure 3 This is a partial structural diagram of the present invention.

[0017] In the diagram: 1. Base frame; 2. Mixing tank; 3. Horizontal plate; 4. Second motor; 5. Electric actuator; 6. Vertical plate; 7. First rack; 8. Sleeve; 9. First gear; 10. Stirring shaft; 11. Stirring rod; 12. Support; 13. Fixing plate; 14. First motor; 15. Second gear; 16. Second rack; 17. Drainage chamber; 18. Limiting plate; 19. Nozzle; 20. Limiting rod. Detailed Implementation

[0018] Please see Figures 1 to 3 A self-cleaning mixing machine for plastic production includes a base frame 1, a mixing tank 2 installed through the upper end of the base frame 1, and a stirring shaft 10 disposed inside the mixing tank 2. A horizontal plate 3 is fixedly connected to the upper end of the mixing tank 2. A sleeve 8 is rotatably connected to the lower end of the horizontal plate 3 through a bearing. A first gear 9 is fixedly connected to the outer wall of the sleeve 8. A first rack 7 is meshed with the outer wall of the first gear 9. An electric push rod 5 is installed on the upper end of the horizontal plate 3. A vertical plate 6 is fixedly connected to the output end of the electric push rod 5. The lower end of the vertical plate 6 is fixedly connected to the first rack 7.

[0019] A bracket 12 is fixedly connected to the outer wall of the sleeve 8. A second rack 16 is slidably connected to the right end of the bracket 12 through a T-shaped groove. A fixing plate 13 is fixedly connected to the upper end face of the bracket 12. A first motor 14 is installed at the front end of the fixing plate 13. The output end of the first motor 14 passes through the fixing plate 13 and is fixedly connected to a second gear 15 that meshes with the second rack 16. A drainage cavity 17 is fixedly connected to the outer wall of the second rack 16. A delivery pipe is connected to the upper end of the drainage cavity 17. Multiple evenly distributed nozzles 19 are installed at both the left and right ends of the drainage cavity 17.

[0020] In this embodiment: when it is necessary to clean the inside of the mixing tank 2, the first motor 14 is started to drive the second gear 15 to rotate, thereby driving the second rack 16 to move downward, moving the second rack 16, the drainage cavity 17 and the nozzle 19 into the mixing tank 2, connecting the conveying pipe to the water source pipe, and introducing cleaning water into the drainage cavity 17 through the conveying pipe by the water pump at the water source pipe, and spraying it out through the nozzle 19. At the same time, the electric push rod 5 is started to drive the vertical plate 6 and the first rack 7 to move, thereby driving the first gear 9 to rotate back and forth. The rotation of the first gear 9 can drive the sleeve 8, the bracket 12 and the drainage cavity 17 connected to it to rotate. The nozzle 19 at the left end of the drainage cavity 17 can be used to rinse the stirring shaft 10, and the nozzle 19 at the right end of the drainage cavity 17 can be used to clean the inner wall of the mixing tank 2.

[0021] As a technical optimization of this utility model, a second motor 4 is installed on the upper end of the horizontal plate 3. The output end of the second motor 4 passes through the horizontal plate 3 and is fixedly connected to the stirring shaft 10. A plurality of evenly distributed stirring rods 11 are fixedly connected to the outer wall of the stirring shaft 10.

[0022] In this embodiment, the second motor 4 can drive the stirring shaft 10 and the stirring rod 11 to rotate, thereby mixing and stirring the materials.

[0023] As a technical optimization of this utility model, a limiting rod 20 is fixedly connected to the upper end face of the first rack 7, and the limiting rod 20 is slidably connected to the lower end face of the horizontal plate 3 through a sliding groove.

[0024] In this embodiment, the limiting rod 20 is slidably connected to the lower end face of the horizontal plate 3 through a sliding groove, which can increase the stability of the movement of the first rack 7.

[0025] As a technical optimization of this utility model, the upper and lower end faces of the second rack 16 are fixedly connected to the limit plate 18.

[0026] In this embodiment, the movement position of the second rack 16 can be limited by the limiting plate 18.

[0027] As a technical optimization of this utility model, the lower end of the mixing tank 2 is connected to a discharge pipe, and a shut-off valve is installed on the outer wall of the discharge pipe.

[0028] In this embodiment, the material and wastewater are conveniently discharged through the discharge pipe.

[0029] As a technical optimization of this utility model, a controller is installed on the upper surface of the base frame 1.

[0030] In this embodiment, the controller is electrically connected to the first motor 14, the second motor 4, and the electric actuator 5, so that the first motor 14, the second motor 4, and the electric actuator 5 can be controlled by the controller, making the operation more convenient.

[0031] Working principle: When in use, the materials to be mixed are placed into the mixing tank 2, and the stirring shaft 10 and stirring rod 11 are driven to rotate by the second motor 4 to mix and stir the materials.

[0032] Initially, the drainage chamber 17 is above the mixing tank 2. When cleaning the inside of the mixing tank 2 is required, the controller starts the first motor 14 to drive the second gear 15 to rotate, thereby driving the second rack 16 to move downwards. This moves the second rack 16, the drainage chamber 17, and the nozzle 19 into the mixing tank 2. The conveying pipe is connected to the water source pipe, and the water pump at the water source pipe introduces cleaning water into the drainage chamber 17 through the conveying pipe and sprays it out through the nozzle 19. At the same time, the electric push rod 5 is started to drive the vertical plate 6 and the first rack 7 to move, thereby driving the first gear 9 to rotate back and forth. The rotation of the first gear 9 drives the sleeve 8, the bracket 12, and the drainage chamber 17 connected to it to rotate. The nozzle 19 at the left end of the drainage chamber 17 can be used to rinse the mixing shaft 10, and the nozzle 19 at the right end of the drainage chamber 17 can be used to clean the inner wall of the mixing tank 2. After cleaning, the drainage chamber 17 is reset.

[0033] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A self-cleaning plastic production mixer, comprising a chassis (1) and a mixing tank (2) installed through the upper end surface of the chassis (1), and a stirring shaft (10) arranged inside the mixing tank (2), characterized in that: The upper end surface of the mixing tank (2) is fixedly connected with a horizontal plate (3), the lower end of the horizontal plate (3) is rotatably connected with a sleeve (8) through a bearing, the outer wall of the sleeve (8) is fixedly connected with a first gear (9), the outer wall of the first gear (9) is meshedly connected with a first rack (7), the upper end surface of the horizontal plate (3) is installed with an electric push rod (5), the output end of the electric push rod (5) is fixedly connected with a vertical plate (6), and the lower end of the vertical plate (6) is fixedly connected with the first rack (7); The outer wall of the sleeve (8) is fixedly connected with a support (12), the right end of the support (12) is slidably connected with a second rack (16) through a T-shaped sliding groove, the upper end surface of the support (12) is fixedly connected with a fixed plate (13), the front end of the fixed plate (13) is installed with a first motor (14), the output end of the first motor (14) penetrates through the fixed plate (13) and is fixedly connected with a second gear (15) which is meshedly connected with the second rack (16), the outer wall of the second rack (16) is fixedly connected with a drainage cavity (17), the upper end of the drainage cavity (17) is communicated with a conveying pipe, and the left end and the right end of the drainage cavity (17) are both installed with a plurality of uniformly distributed spray heads (19).

2. The self-cleaning plastic production mixer according to claim 1, characterized in that: The upper end surface of the horizontal plate (3) is installed with a second motor (4), the output end of the second motor (4) penetrates through the horizontal plate (3) and is fixedly connected with a stirring shaft (10), and the outer wall of the stirring shaft (10) is fixedly connected with a plurality of uniformly distributed stirring rods (11).

3. The self-cleaning plastic production mixer according to claim 1, characterized in that: The upper end surface of the first rack (7) is fixedly connected with a limiting rod (20), and the limiting rod (20) is slidably connected with the lower end surface of the horizontal plate (3) through a sliding groove.

4. The self-cleaning plastic production mixer according to claim 1, wherein: The upper and lower end surfaces of the second rack (16) are both fixedly connected with limiting plates (18).

5. The self-cleaning plastic production mixer of claim 1, wherein: The lower end of the mixing tank (2) is communicated with a discharge pipe, and the outer wall of the discharge pipe is installed with a stop valve.

6. The self-cleaning plastic production mixer of claim 1, wherein: The upper end surface of the bottom frame (1) is installed with a controller.