A protective mechanism for vulcanized rubber extrusion heads

By designing clamping and protective components on the rubber extruder, the self-locking and buffering capabilities of the device are enhanced, solving the shaking and damage problems caused by the single support structure, and improving the stability and service life of the device.

CN224446781UActive Publication Date: 2026-07-03HENAN XIANGMING AUTOMOTIVE ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN XIANGMING AUTOMOTIVE ELECTRONICS CO LTD
Filing Date
2025-08-05
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

The existing rubber extruders have a simple support structure and lack a self-locking mechanism, which makes the device prone to shaking and tilting under external forces, vibrations or uneven loads, affecting the stability and service life of the extrusion head.

Method used

The device employs a clamping and protective design, including a clamping frame, a rotating arm, and a buffer cylinder. The self-locking mechanism enhances clamping stability, and the buffer cylinder absorbs impact energy to prevent the device from tipping over and being damaged.

Benefits of technology

It improves the stability and service life of rubber extruders, reduces the risk of loosening and damage caused by external forces and vibrations, and enhances ease of use and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model provides a protective mechanism for a vulcanized rubber extruder head, relating to the field of extruder head technology. It includes a mounting base, a clamping component disposed on the outer side of the mounting base, and clamping frames disposed on the outer sides of both ends of the mounting base for clamping the mounting base. A protective component is disposed on the outer side of the middle portion of the mounting base, and the protective frame is disposed on the outer side of the mounting base. The self-locking mechanism significantly increases the stability of clamping the mounting base, preventing displacement or loosening of the mounting base due to external forces or vibrations during clamping. This ensures more reliable protection of the extruder head. Furthermore, the self-locking structure maintains a fixed state after clamping, reducing the need for additional external force to maintain clamping and improving the convenience and safety of the mechanism. Simultaneously, the self-locking mechanism, with the coordinated action of all components, enhances the structural stability and operational reliability of the entire protective mechanism.
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Description

Technical Field

[0001] This utility model relates to the field of extrusion head technology, and in particular to a protective mechanism for a vulcanized rubber extrusion head. Background Technology

[0002] Rubber extruders are a fundamental piece of equipment in the rubber industry and a key component affecting product quality. They play a crucial role in the production of tires and rubber products. In rubber compound processing and molding, rubber extruders, along with calenders, are two of the leading production machines, with wide applications, capable of processing and manufacturing various irregularly shaped rubber materials such as strips, tubes, rods, and sheets. Currently, most rubber extruders are only equipped with a single rubber extrusion head, unable to extrude and mold different rubber products, resulting in limited practicality. Therefore, a rubber extruder with easily interchangeable extrusion heads is needed to meet operational requirements.

[0003] A search revealed that Chinese Patent No. CN220841348U discloses a rubber extruder with a convenient extrusion head replacement mechanism. The extruder includes a main body, a crushing box fixedly mounted on the top of the main body, a crushing motor fixedly mounted on the top of the crushing box, a rotating rod at one end of the crushing motor, crushing blades fixedly mounted on the rotating rod, a feed inlet at the top of the crushing box, and a spiral guide rod fixedly mounted at one end of the rotating rod. This invention operates by driving the crushing motor, facilitating the rotation of the rotating rod to drive the crushing blades to rotate.

[0004] The aforementioned technology relies on support legs for support, resulting in a simple support structure and a lack of self-locking mechanism. It cannot form a stable clamping force through the interaction between components. When subjected to external forces, vibrations, or uneven loads, it is prone to swaying and tilting due to the single support force. Unlike a self-locking structure, it cannot achieve tight fixation of the target object through component linkage, which can cause the entire device to tip over and damage the extruder head. When faced with impact, the energy is directly applied to the extruder head, which can easily lead to damage and reduce the service life of the extruder head. Utility Model Content

[0005] The purpose of this utility model is to provide a protective mechanism for vulcanized rubber extruder heads, which can solve the problems of the above-mentioned technologies that rely on support legs for support, have a single support structure, lack a self-locking fixing mechanism, and cannot form a stable clamping force through the interaction between components. When subjected to external forces, vibrations, or uneven loads, the single support force is prone to shaking and tilting, making it difficult to achieve tight fixation of the target object through component linkage like a self-locking structure. This can cause the entire device to tip over, thereby damaging the extruder head. When faced with impact, the energy is directly applied to the extruder head, which can easily lead to damage and reduce the service life of the extruder head.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a vulcanized rubber extrusion head protection mechanism, including a mounting base, and further comprising:

[0007] A clamping element is disposed on the outside of the mounting base;

[0008] A clamping frame is disposed on the outer sides of both ends of the mounting base for clamping the mounting base;

[0009] A protective component is disposed on the outer side of the middle portion of the mounting base;

[0010] A protective frame is provided on the outside of the mounting base.

[0011] In a preferred embodiment, the clamping member includes:

[0012] A mounting plate is disposed on the outer side of the end of the mounting base;

[0013] The first rotating arm is rotatably mounted on the inner sides of both ends of the mounting plate;

[0014] The second rotating arm is rotatably disposed on the inner side of one end of the first rotating arm, and the outer side of the end of the second rotating arm is rotatably connected to the inner side of one end of the clamping frame;

[0015] The third rotating arm is rotatably disposed on the inner side of the other end of the first rotating arm;

[0016] The connecting plate is rotatably mounted on the inner side of the ends of the two third rotating arms;

[0017] A sliding rod is fixedly mounted on the lower surface of the mounting plate, and the inner side of the connecting plate is slidably connected to the outer side of the sliding rod.

[0018] In a preferred embodiment, a lifting cylinder is installed on the inner side of the bottom end of the slide rod, and the outer side of the end of the lifting cylinder is connected to the upper surface of the connecting plate.

[0019] In a preferred embodiment, a slide rail is mounted on the upper surface of the mounting plate, and the clamping frame is slidably connected to the mounting plate via the slide rail.

[0020] In a preferred embodiment, a support plate is fixedly provided on the lower surface of the third rotating arm.

[0021] In a preferred embodiment, a top block is fixedly disposed on the lower surface of the mounting plate, and the top block is made of rubber.

[0022] In a preferred embodiment, the protective component includes:

[0023] A placement plate is fixedly installed on the inner side of the mounting plate, and the protective frame is connected to the upper surface of the placement plate.

[0024] In a preferred embodiment, multiple sets of buffer cylinders are evenly arranged on the inner side of the top of the protective frame.

[0025] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0026] This invention, during use, significantly increases the stability of clamping the mounting base through self-locking, preventing displacement or loosening of the mounting base due to external forces or vibrations during clamping. This ensures a more reliable protection effect for the extrusion head by the protective mechanism. Furthermore, the self-locking structure maintains a fixed state after clamping, reducing the need for additional external forces to maintain clamping and improving the convenience and safety of the mechanism. At the same time, the self-locking mechanism, with the coordinated action of each component, also enhances the structural stability and operational reliability of the entire protective mechanism, thereby preventing damage to the extrusion device as a whole, including tipping over or being damaged, and thus preventing damage to the extrusion head. Attached Figure Description

[0027] Figure 1 A front view structural schematic diagram of a vulcanized rubber extrusion head protection mechanism provided by this utility model;

[0028] Figure 2 A schematic diagram of the placement plate and buffer cylinder in a vulcanized rubber extrusion head protection mechanism provided by this utility model;

[0029] Figure 3 This is a schematic diagram of the mounting plate and the first rotating arm in a vulcanized rubber extrusion head protection mechanism provided by this utility model.

[0030] Legend:

[0031] 1. Mounting base; 2. Clamping frame; 201. Mounting plate; 202. First rotating arm; 203. Second rotating arm; 204. Third rotating arm; 205. Connecting plate; 206. Slide rod; 207. Lifting cylinder; 208. Support plate; 209. Top block; 210. Slide rail; 3. Protective frame; 301. Placement plate; 302. Buffer cylinder. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Example 1:

[0034] Please see Figures 1-3 This embodiment provides a vulcanized rubber extrusion head protection mechanism that facilitates the protection of the mounting base 1. The specific idea is as follows:

[0035] The vulcanized rubber extrusion head protection mechanism includes a mounting base 1. In addition, the vulcanized rubber extrusion head protection mechanism also includes a clamping frame 2 disposed on the outer sides of both ends of the mounting base 1 and a mounting plate 201 below the mounting base 1, which are used to clamp and limit the outer side of the mounting base 1, and the clamping frame 2 can maintain a continuous clamping force through a self-locking design.

[0036] In order to achieve the clamping function of the clamping frame 2, this embodiment provides a clamping component, which can stably fix the mounting base 1 after the clamping frame 2 clamps the mounting base 1, and prevent the mounting base 1 from being damaged due to loose clamping.

[0037] The clamping component includes: a first rotating arm 202 rotatably connected to the inner sides of both ends of the mounting plate 201; a second rotating arm 203 rotatably connected to the inner side of one end of the first rotating arm 202; and a third rotating arm 204 rotatably connected to the inner side of the other end of the first rotating arm 202. The third rotating arm 204 can drive the first rotating arm 202 to rotate, thereby driving the second rotating arm 203 to rotate. A connecting plate 205 is rotatably connected to the inner side of the end of the third rotating arm 204. A sliding rod 206 is fixedly connected to the lower surface of the mounting plate 201, and the outer side of the sliding rod 206 is connected to the connecting plate 205. The inner side is slidably connected, and a lifting cylinder 207 is installed on the inner side of the bottom end of the slide rod 206. The end of the lifting cylinder 207 is fixedly connected to the lower surface of the connecting plate 205, which is used to push the connecting plate 205 to move in the vertical direction. At the same time, the top block 209 fixedly connected to the lower surface of the mounting plate 201 is used to limit the connecting plate 205. The clamping frame 2 is slidably connected to the mounting plate 201 through the slide rail 210 on the upper surface of the mounting plate 201, so that the mounting base 1 can be clamped by the clamping frame 2, and then the device is supported by the support plate 208 fixedly connected to the lower surface of the third rotating arm 204.

[0038] In the specific implementation process: The user can place the mounting base 1 inside the clamping frame 2. At this time, the lifting cylinder 207 is activated, which drives the connecting plate 205 to rise vertically, thereby driving the third rotating arm 204 on the inner side of both ends of the connecting plate 205 to rotate. While the third rotating arm 204 rotates, it pushes the bottom of the first rotating arm 202 to rotate outward. While the bottom of the first rotating arm 202 rotates outward, its other end rotates inward. Then, the second rotating arm 203 pushes the clamping frame 2 to move towards the center. The slide rail 210 increases the stability of the movement. The two third rotating arms 204 and the connecting plate 205 are at the same horizontal axis position. At this time, the horizontal component force generated by the two third rotating arms 204 is opposite in direction and cancels each other out. At the same time, the support plate 208 supports the ground and completes the self-locking function of the device, increasing the stability of clamping the mounting base 1.

[0039] Example 2:

[0040] Please see Figures 1-3 This embodiment provides a vulcanized rubber extrusion head protection mechanism that facilitates the protection of the mounting base 1. The specific idea is as follows:

[0041] The vulcanized rubber extrusion head protection mechanism includes a mounting base 1. In addition, the vulcanized rubber extrusion head protection mechanism also includes: clamping frames 2 disposed on the outer sides of both ends of the mounting base 1 and mounting plate 201 below the mounting base 1, which are used to clamp and limit the outer side of the mounting base 1. The clamping frames 2 can maintain a continuous clamping force through the self-locking design. At the same time, the protective frame 3 on the outer side of the mounting base 1 can resist the impact on the surface of the mounting base 1.

[0042] In order to achieve the protective function of the protective frame 3, this embodiment provides a protective component that allows the protective frame 3 to be fitted onto the outside of the mounting base 1, thereby increasing the impact resistance of the mounting base 1 and increasing its service life.

[0043] The protective components include: a placement plate 301 fixedly connected to the inner side of two mounting plates 201, a protective frame 3 fixedly connected to the upper surface of the placement plate 301, the protective frame 3 having an arc-shaped structure and closely attached to the outer surface of the mounting base 1, and multiple sets of buffer cylinders 302 evenly installed on the outer side of the top of the protective frame 3 to absorb the impact received by the protective frame 3.

[0044] In the specific implementation process: the user can place the mounting base 1 inside the protective frame 3. At this time, the arc-shaped protective frame 3 can fit well against the outer surface of the mounting base 1. When the protective frame 3 is impacted, the protective frame 3 will displace to a certain extent, thereby squeezing the buffer cylinder 302 on one side of the protective frame 3. The buffer cylinder 302 absorbs the potential energy generated by the protective frame 3, minimizing the impact on the mounting base 1.

[0045] Working principle:

[0046] Based on Example 1, after the mounting base 1 is placed inside the clamping frame 2, the lifting cylinder 207 is activated to drive the connecting plate 205 to rise vertically. This causes the third rotating arms 204 on the inner sides of both ends of the connecting plate 205 to rotate and push the bottom of the first rotating arm 202 to rotate outward. After the other end of the first rotating arm 202 rotates inward, it pushes the clamping frame 2 towards the center through the second rotating arm 203. The slide rail 210 increases the stability of movement, and the two third rotating arms 204 are on the same horizontal axis as the connecting plate 205. The support plate 208 supports the ground and completes the self-locking function of the device. This design can significantly increase the stability of clamping the mounting base 1 through self-locking, and avoid the mounting base 1 from displacement or loosening due to external force or vibration during clamping. This ensures that the protection mechanism can protect the extrusion head more reliably. Moreover, the self-locking structure can maintain a fixed state after clamping, reducing the need for additional external force to maintain clamping and improving the convenience and safety of the mechanism. At the same time, the self-locking mechanism of the coordinated action of various components can also enhance the structural stability and operational reliability of the entire protection mechanism.

[0047] Based on Example 2, when the mounting base 1 is placed inside the protective frame 3, the arc-shaped protective frame 3 fits well against the outer surface of the mounting base 1. When the protective frame 3 is impacted and displaced, it will compress the buffer cylinder 302 on one side. The buffer cylinder 302 can absorb the potential energy of the protective frame 3, minimizing the impact on the mounting base 1. This design enhances the adaptability of the protection by fitting the arc-shaped protective frame 3 against the outer surface of the mounting base 1. The potential energy absorption effect of the buffer cylinder 302 can form a buffer mechanism during impact, effectively reducing the direct impact on the mounting base 1, reducing the risk of damage to the mounting base 1 caused by impact, and improving the protective effect of the protection mechanism on the extrusion head. At the same time, the structural design allows the impact energy to be rationally converted and absorbed, ensuring the stability and safety of the mounting base 1 in the impact environment.

[0048] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A vulcanized rubber extrusion head protection mechanism comprising a mounting base (1), characterized in that: Also includes: A clamping element is disposed on the outside of the mounting base (1); The clamping frame (2) is disposed on the outer sides of both ends of the mounting base (1) and is used to clamp the mounting base (1); A protective component is provided on the outer side of the middle part of the mounting base (1); The protective frame (3) is located on the outside of the mounting base (1).

2. A vulcanized rubber extrusion head protection mechanism according to claim 1, characterized in that: The clamping element includes: Mounting plate (201) is disposed on the outer side of the end of the mounting base (1); The first rotating arm (202) is rotatably disposed on the inner side of both ends of the mounting plate (201); The second rotating arm (203) is rotatably disposed on the inner side of one end of the first rotating arm (202), and the outer side of the end of the second rotating arm (203) is connected to the inner side of one end of the clamping frame (2); The third rotating arm (204) is rotatably disposed on the inner side of the other end of the first rotating arm (202); The connecting plate (205) is rotatably disposed on the inner side of the ends of the two third rotating arms (204); The slide rod (206) is fixedly disposed on the lower surface of the mounting plate (201), and the inner side of the connecting plate (205) is slidably connected to the outer side of the slide rod (206).

3. A vulcanizing rubber extrusion head protection mechanism according to claim 2, characterized in that: A lifting cylinder (207) is installed on the inner side of the bottom end of the slide rod (206), and the outer side of the end of the lifting cylinder (207) is connected to the upper surface of the connecting plate (205).

4. A vulcanizing rubber extrusion head protection mechanism according to claim 2, characterized in that: The upper surface of the mounting plate (201) is equipped with a slide rail (210), and the clamping frame (2) is connected to the mounting plate (201) through the slide rail (210).

5. A vulcanizing rubber extrusion head protection mechanism according to claim 2, characterized in that: A support plate (208) is fixedly provided on the lower surface of the third rotating arm (204).

6. A vulcanizing rubber extrusion head protection mechanism according to claim 2, characterized in that: A top block (209) is fixedly provided on the lower surface of the mounting plate (201), and the top block (209) is made of rubber.

7. A vulcanizing rubber extrusion head protection mechanism according to claim 2, characterized in that: The protective component includes: The placement plate (301) is fixedly installed on the inner side of the mounting plate (201), and the protective frame (3) is connected to the upper surface of the placement plate (301).

8. A vulcanizing rubber extrusion head protection mechanism according to claim 7, characterized in that: Multiple sets of buffer cylinders (302) are evenly arranged on the inner side of the top of the protective frame (3).

Citation Information

Patent Citations

  • Rubber extruder with extrusion head convenient to replace

    CN220841348U