A rubber pad manufacturing injection molding mechanism

CN224275952UActive Publication Date: 2026-05-26MINGXINTECH (TIANJIN) RUBBERPRODUCTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
MINGXINTECH (TIANJIN) RUBBERPRODUCTS CO LTD
Filing Date
2025-06-12
Publication Date
2026-05-26

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Abstract

This utility model discloses an injection molding mechanism for producing rubber pads, relating to the field of rubber pad processing. It includes an injection molding machine body, a material cylinder fixedly connected to the top of the machine body, a material inlet fixedly connected to the top of the material cylinder, a filter screen installed on the inner wall of the material inlet, a pressing column fixedly connected to the side wall of the filter screen, an elastic spring installed on the outer wall of the pressing column, an annular plate fixedly connected to the side wall of the material inlet, and a conveying pipe fixedly connected to the side wall of the injection molding machine body. This utility model, through the design of the material inlet, filter screen, pressing column, elastic spring, and annular plate, uses a filter screen to prevent impurities from entering the mold and affecting product quality. Pressing the pressing column, under the action of the elastic spring, causes the filter screen to vibrate, ejecting impurities clogging the filter screen's pores, thus preventing blockages that could affect material transport.
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Description

Technical Field

[0001] This utility model relates to the field of rubber pad processing, specifically to a rubber pad production injection molding mechanism. Background Technology

[0002] Rubber pads possess excellent elasticity, wear resistance, corrosion resistance, and sealing properties, making them widely used in numerous fields such as automobiles, machinery, electronics, and construction. For example, they are used in shock-absorbing components of automobile engines, sealing gaskets for mechanical connections, insulating buffer pads in electronic products, and shock-absorbing support pads for building pipelines. All of these require rubber pads of different specifications and performance. The production of rubber pads involves injection molding them into molds, thus necessitating an injection molding mechanism for rubber pad production.

[0003] Existing rubber pad injection molding machines do not achieve high quality after molding. They can cause problems such as uneven viscosity and poor flowability during injection molding, resulting in poor material flowability and affecting molding accuracy. Therefore, there is an urgent need for a new type of rubber pad injection molding machine. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a rubber pad production injection molding mechanism to solve the problems that existing rubber pad production injection molding mechanisms do not produce high quality rubber pads after molding, and that produce problems such as uneven viscosity and poor flowability during injection molding, resulting in poor material flowability and affecting molding accuracy.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a rubber pad production injection molding mechanism, including an injection molding machine body, a material cylinder fixedly connected to the top of the injection molding machine body, a material inlet fixedly connected to the top of the material cylinder, a filter screen installed on the inner wall of the material inlet, a pressing column fixedly connected to the side wall of the filter screen, an elastic spring installed on the outer wall of the pressing column, and an annular plate fixedly connected to the side wall of the material inlet;

[0006] A conveying pipe is fixedly connected to the side wall of the injection molding machine body. An injection head is fixedly connected to the outer wall of the conveying pipe. A heating chamber is fixedly connected to the outer wall of the injection head. A slot is provided on the side wall of the heating chamber. A cover plate is movably connected to the side wall of the heating chamber. A heating wire is fixedly connected to the side wall of the cover plate. A snap-fit ​​chamber is provided on the inner wall of the cover plate. A return spring is fixedly connected to the inner wall of the snap-fit ​​chamber. An installation snap is fixedly connected to the outer wall of the return spring.

[0007] Preferably, the pressing columns are arranged in a circular array around the central axis of the filter screen, and the pressing columns are movably connected to the feed inlet.

[0008] Preferably, the outer wall of the annular plate is perforated, and the annular plate is movably connected to the pressing column.

[0009] Preferably, the pressing column forms a telescopic structure with the annular plate via an elastic spring, and the elastic spring is sleeved with the pressing column.

[0010] Preferably, the mounting buckle forms a telescopic structure with the buckle chamber via a reset spring, and the mounting buckle is inserted into the buckle slot.

[0011] Preferably, the mounting buckles are arranged in a circular array around the central axis of the cover plate, and the cover plate is engaged with the heating chamber.

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

[0013] 1. This utility model, through the setting of the feed port, filter screen, pressing column, elastic spring and annular plate, can prevent impurities from entering the mold and affecting the quality of the product. By pressing the pressing column, the filter screen vibrates under the action of the elastic spring, and the impurities blocking the filter screen aperture are ejected to prevent blockage from affecting the material transmission.

[0014] 2. This utility model, through the setting of a heating chamber, a slot, a cover plate, a heating wire, a buckle chamber, a return spring, and a mounting buckle, heats the raw material in the injection head by energizing the heating wire, thereby optimizing the flowability of the raw material and improving the molding accuracy of the product. Then, by pressing the mounting buckle, the cover plate can be quickly removed for maintenance. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the component on the feed inlet of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the components on the cover plate of this utility model;

[0018] Figure 4 This utility model Figure 4 Enlarged structural diagram at point A in the middle.

[0019] In the diagram: 1. Injection molding machine body; 2. Barrel; 3. Inlet; 4. Filter screen; 5. Pressing column; 6. Elastic spring; 7. Ring plate; 8. Conveying pipe; 9. Injection head; 10. Heating chamber; 11. Slot; 12. Cover plate; 13. Heating wire; 14. Buckle chamber; 15. Return spring; 16. Mounting buckle. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0021] The embodiments of this utility model will be described below based on its overall structure.

[0022] Please see Figures 1-4 A rubber pad production injection molding mechanism includes an injection molding machine body 1. A material cylinder 2 is fixedly connected to the top of the injection molding machine body 1. A feed inlet 3 is fixedly connected to the top of the material cylinder 2. A filter screen 4 is installed on the inner wall of the feed inlet 3. A pressing column 5 is fixedly connected to the side wall of the filter screen 4. An elastic spring 6 is installed on the outer wall of the pressing column 5. An annular plate 7 is fixedly connected to the side wall of the feed inlet 3. The pressing columns 5 are arranged in a circular array around the central axis of the filter screen 4, and the pressing columns 5 are movably connected to the feed inlet 3. The outer wall of the annular plate 7 is perforated. The device is configured such that the annular plate 7 is movably connected to the pressing column 5. The pressing column 5 forms a telescopic structure with the annular plate 7 via an elastic spring 6, and the elastic spring 6 is sleeved with the pressing column 5. When using the device, the filter screen 4 can intercept impurities in the raw materials, preventing impurities from entering the mold and affecting the quality of the product. By pressing the pressing column 5, the elasticity of the elastic spring 6 causes the filter screen 4 to move up and down and vibrate, which ejects the impurities blocking the aperture of the filter screen 4, thereby preventing blockage from affecting the material transmission.

[0023] Please see Figures 1-4 A rubber pad production injection molding mechanism includes a conveying pipe 8 fixedly connected to the side wall of the injection molding machine body 1, an injection head 9 fixedly connected to the outer wall of the conveying pipe 8, a heating chamber 10 fixedly connected to the outer wall of the injection head 9, a slot 11 formed in the side wall of the heating chamber 10, a cover plate 12 movably connected to the side wall of the heating chamber 10, a heating wire 13 fixedly connected to the side wall of the cover plate 12, a snap-fit ​​chamber 14 formed in the inner wall of the cover plate 12, a return spring 15 fixedly connected to the inner wall of the snap-fit ​​chamber 14, and an installation snap 16 fixedly connected to the outer wall of the return spring 15. The installation snap 16 forms a telescopic structure with the snap-fit ​​chamber 14 through the return spring 15, and the installation snap 16... The buckle 16 is inserted into the slot 11. The buckles 16 are arranged in a circular array around the central axis of the cover plate 12, and the cover plate 12 is engaged with the heating chamber 10. When using the device, the heating wire 13 is energized to heat the raw material in the injection head 9, preventing problems such as uneven viscosity and poor flowability caused by insufficient melting of the raw material, so that it can be injected into the mold more smoothly through the injection head, thereby optimizing the flowability of the raw material and improving the molding accuracy of the product. Then, by pressing the buckles 16 around the cover plate 12, the buckles 16 are disengaged from the slot 11 under the action of the return spring 15, so that the cover plate 12 can be quickly removed for maintenance.

[0024] Working Principle: In use, first move the device to a suitable position, then pour the rubber raw material into the inlet 3. The raw material is then filtered through the filter screen 4 and subsequently transferred to the material cylinder 2. When the pores of the filter screen 4 become clogged, simply press the pressing column 5, which compresses the elastic spring 6. The elasticity of the spring 6 causes the filter screen 4 to vibrate up and down, ejecting the impurities clogging the pores. The raw material is then transferred to the injection head 9 through the conveying pipe 8 for injection molding. During injection, the heating wire 13 can be energized to heat the raw material in the injection head 9, preventing... Problems such as uneven viscosity and poor flowability may occur. When the heating wire 13 requires maintenance after long-term use, simply press the mounting clips 16 of the surrounding cover plate 12. The mounting clips 16 will be pressed and retracted into the cover plate 12, while the return spring 15 will be compressed until the mounting clips 16 disengage from the slot 11. Then, remove the cover plate 12 from the heating chamber 10. Subsequently, the mounting clips 16 will be reset by the return spring 15. Then, the heating wire 13 can be maintained. This completes the use of the device. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A rubber mat production injection molding mechanism comprising an injection molding machine body (1), characterized in that: The top of the injection molding machine body (1) is fixedly connected to a barrel (2), the top of the barrel (2) is fixedly connected to a feed inlet (3), the inner wall of the feed inlet (3) is equipped with a filter screen (4), the side wall of the filter screen (4) is fixedly connected to a pressing column (5), the outer wall of the pressing column (5) is equipped with an elastic spring (6), and the side wall of the feed inlet (3) is fixedly connected to an annular plate (7). The side wall of the injection molding machine body (1) is fixedly connected to a conveying pipe (8), the outer wall of the conveying pipe (8) is fixedly connected to an injection head (9), the outer wall of the injection head (9) is fixedly connected to a heating chamber (10), the side wall of the heating chamber (10) is provided with a slot (11), the side wall of the heating chamber (10) is movably connected to a cover plate (12), the side wall of the cover plate (12) is fixedly connected to a heating wire (13), the inner wall of the cover plate (12) is provided with a snap-fit ​​chamber (14), the inner wall of the snap-fit ​​chamber (14) is fixedly connected to a return spring (15), and the outer wall of the return spring (15) is fixedly connected to an installation buckle (16).

2. The rubber pad production injection molding mechanism according to claim 1, characterized in that: The pressing columns (5) are arranged in a circular array around the central axis of the filter screen (4), and the pressing columns (5) are movably connected to the feed inlet (3).

3. The rubber pad production injection molding mechanism according to claim 1, characterized in that: The outer wall of the annular plate (7) is perforated, and the annular plate (7) is movably connected to the pressing column (5).

4. The rubber pad production injection molding mechanism according to claim 1, characterized in that: The pressing column (5) forms a telescopic structure with the annular plate (7) through the elastic spring (6), and the elastic spring (6) is sleeved with the pressing column (5).

5. The rubber pad production injection molding mechanism according to claim 1, characterized in that: The mounting buckle (16) forms a telescopic structure with the buckle chamber (14) through the return spring (15), and the mounting buckle (16) is inserted into the buckle groove (11).

6. The rubber pad production injection molding mechanism according to claim 1, characterized in that: The mounting buckles (16) are arranged in a circular array around the central axis of the cover plate (12), and the cover plate (12) is engaged with the heating chamber (10).