Rubber extruder for sole production
By installing a filter screen and a perforated plate at the end of the feeding screw of a rubber extruder, the problem of air bubbles in traditional rubber extruders is solved, and the surface quality and internal uniformity of the product are improved.
Patent Information
- Application Number
- CN202423064943.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Traditional rubber extruders are prone to generating air bubbles during the extrusion process, which can lead to voids or air bubbles inside the product, affecting its strength and appearance.
A filter screen and a perforated plate are installed at the end of the feed screw of the extruder. The filter screen removes impurities and fine particles, and the perforated plate converts the rotating material into a direct current to prevent the formation of bubbles.
It improves the surface quality and internal uniformity of rubber products, prevents uneven flow, and enhances product quality.
Smart Images

Figure CN223618208U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rubber extruder technology, and in particular to a rubber extruder for shoe sole production. Background Technology
[0002] Rubber extruders are indispensable equipment in shoe sole production. They are mainly used to extrude rubber raw materials through a high-temperature and high-pressure process to produce rubber strips, sheets, or blocks required for shoe soles.
[0003] Traditional rubber extruders typically use a spiral feeder to directly extrude heated rubber raw materials. The spiral feeder rotates during the conveying process, and the rotating material is prone to generating air bubbles during extrusion. If these air bubbles are not removed from the product, they will cause voids or air bubbles inside the product, affecting its strength and appearance.
[0004] Therefore, those skilled in the art have provided a rubber extruder for shoe sole production to solve the problems mentioned in the background art. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a rubber extruder for shoe sole production. This extruder features a filter screen and a perforated plate sequentially installed at the end of the feeding screw at the extrusion end of the extruder. The filter screen removes impurities and fine particles from the rubber material, ensuring the surface quality and internal uniformity of the rubber product. The perforated plate converts the rotating material into a direct flow and further filters and homogenizes the rubber flow, preventing significant flow unevenness or air bubbles, thereby improving the quality of the final product.
[0006] To achieve the above objectives, the present invention provides the following technical solution:
[0007] A rubber extruder for shoe sole production includes a machine body, a drive motor installed on one side of the top of the machine body, a feeding screw installed at the output end of the drive motor, an extrusion canister provided at the outer end of the feeding screw, a feed cylinder integrally provided at one top end of the extrusion canister, an electric heater installed on the inner wall of the extrusion canister, an extrusion head installed at one end of the extrusion canister by a plurality of fifth bolts, a perforated plate installed inside one end of the extrusion canister, and a filter screen installed at the end of the perforated plate near the drive motor;
[0008] The above technical solution involves sequentially installing a filter screen and a perforated plate at the end of the feeding screw at the extrusion end of the extruder. The filter screen removes impurities and fine particles from the rubber material, ensuring the surface quality and internal uniformity of the rubber product. The perforated plate converts the rotating material into a direct flow and further filters and homogenizes the rubber flow, preventing significant flow unevenness or air bubbles, thereby improving the quality of the final product.
[0009] Furthermore, a fixing frame is installed on one side of the top of the machine body by two pairs of second bolts. Cylinders are inlaid on both sides of the top of the fixing frame. Mounting plates are provided at the output ends of the two cylinders. A cutter is installed on one side of the mounting plate by a pair of third bolts.
[0010] The above technical solution involves installing a fixed frame at the extrusion end of the extrusion head on the top of the machine body. The cylinder at the top of the fixed frame extends to control the downward movement of the cutter, thereby cutting the extruded rubber product. This cutting structure is not installed on the surface of the extrusion head, thus avoiding damage to the cutting equipment caused by excessive temperature at the extrusion head. Furthermore, the cutter is designed to be detachable, facilitating the replacement of damaged cutters and reducing maintenance costs.
[0011] Furthermore, a plurality of fourth bolts are provided on one side of the perforated plate, penetrating the filter screen and connecting it to the extrusion tank;
[0012] Through the above technical solution, multiple fourth bolts are provided on one side of the perforated plate to connect the filter screen and the extrusion tank, so as to facilitate the installation of the filter screen and the perforated plate together at one end of the extrusion tank.
[0013] Furthermore, bracket plates are welded to both sides of the bottom end of the drive motor, and a pair of first bolts are installed on one end of each of the two bracket plates;
[0014] With the above technical solution, bracket plates are welded to both sides of the bottom of the drive motor, and a pair of first bolts are installed at one end of each bracket plate to facilitate the installation and fixing of the drive motor.
[0015] Furthermore, a sealing groove is provided on one side of both the extrusion can and the extrusion head, and a sealing ring is engaged between the two sealing grooves;
[0016] The above technical solution provides a sealing groove on one side of both the extrusion can and the extrusion head, and a sealing ring is inserted between the two sealing grooves to prevent material leakage.
[0017] Furthermore, a support frame is provided at one end of the extrusion can to connect with the machine body;
[0018] The above technical solution provides a support frame that connects the extrusion can to the machine body at one end, thus facilitating the support of the extrusion can.
[0019] Furthermore, a human-machine interface is designed in the middle of the front end of the machine body;
[0020] The above technical solution allows for the design of a human-machine interface at the front center of the device, facilitating the control of the entire device.
[0021] This utility model has the following beneficial effects:
[0022] 1. This utility model proposes a rubber extruder for shoe sole production. A filter screen and a perforated plate are sequentially installed at the end of the feeding screw at the extrusion end of the extruder. The filter screen removes impurities and fine particles from the rubber material, ensuring the surface quality and internal uniformity of the rubber product. The perforated plate converts the rotating material into a direct flow and further filters and homogenizes the rubber flow, preventing significant flow unevenness or air bubbles, thereby improving the quality of the final product.
[0023] 2. The present invention proposes a rubber extruder for shoe sole production. By installing a fixed frame at the extrusion end of the extrusion head at the top of the machine body, and controlling the downward movement of the cutter by the extension of the cylinder at the top of the fixed frame, the extruded rubber product can be cut. The cutting structure is not installed on the surface of the extrusion head, which can avoid damage to the cutting equipment caused by excessive temperature at the extrusion head. Furthermore, the cutter is designed to be detachable, which facilitates the replacement of damaged cutters in the future and reduces maintenance costs. Attached Figure Description
[0024] Figure 1 This is an isometric view of a rubber extruder for shoe sole production proposed in this utility model;
[0025] Figure 2 This is a cross-sectional view of a rubber extruder for shoe sole production according to the present invention;
[0026] Figure 3 This is a front view of a rubber extruder for shoe sole production proposed in this utility model;
[0027] Figure 4 This is a partially unfolded schematic diagram of a rubber extruder for shoe sole production according to the present invention;
[0028] Figure 5 This is an isometric view of the fixing frame of a rubber extruder for shoe sole production proposed in this utility model.
[0029] Legend:
[0030] 1. Machine body; 2. Drive motor; 3. Extruder; 4. Support frame; 5. Extruder head; 6. Support plate; 7. First bolt; 8. Feeding screw; 9. Feed cylinder; 10. Human-machine interface; 11. Second bolt; 12. Fixing frame; 13. Cylinder; 14. Mounting plate; 15. Cutter; 16. Third bolt; 17. Electric heater; 18. Perforated plate; 19. Filter screen; 20. Fourth bolt; 21. Sealing ring; 22. Fifth bolt; 23. Sealing groove. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.
[0032] Reference Figure 1-5 This utility model provides an embodiment of a rubber extruder for shoe sole production, comprising a machine body 1, a drive motor 2 mounted on one side of the top of the machine body 1, a feeding screw 8 mounted on the output end of the drive motor 2, an extrusion canister 3 mounted on the outer end of the feeding screw 8, a feed cylinder 9 integrally mounted on one end of the top of the extrusion canister 3, an electric heater 17 mounted on the inner wall of the extrusion canister 3, an extrusion head 5 mounted on one end of the extrusion canister 3 via multiple fifth bolts 22, a perforated plate 18 mounted inside one end of the extrusion canister 3, a filter screen 19 mounted on the end of the perforated plate 18 near the drive motor 2, and the filter screen 19 and the perforated plate 18 being sequentially mounted at the end of the feeding screw 8 at the extrusion end of the extrusion canister 3. The filter screen 19 can remove impurities and fine particles from the rubber material, ensuring the surface quality and internal uniformity of the rubber product. The perforated plate 18 can convert the rotating material into a direct current, and the perforated plate 18 can further filter and homogenize the rubber material flow, preventing significant uneven flow or air bubbles, thereby improving the quality of the final product.
[0033] A mounting bracket 12 is installed on one side of the top of the machine body 1 via two pairs of second bolts 11. Cylinders 13 are inlaid on both sides of the top of the mounting bracket 12. A mounting plate 14 is installed at the output end of the two cylinders 13. A cutter 15 is installed on one side of the mounting plate 14 via a pair of third bolts 16. By installing the mounting bracket 12 at the extrusion end of the extrusion head 5 at the top of the machine body 1, the cylinders 13 at the top of the mounting bracket 12 extend to control the downward movement of the cutter 15, thereby cutting the extruded rubber product. This cutting structure is not installed on the surface of the extrusion head 5, thus avoiding damage to the cutting equipment due to excessive temperature at the extrusion head 5. Furthermore, the cutter 15 is detachable, facilitating replacement of damaged cutters and reducing maintenance costs. Multiple fourth bolts 20 are installed on one side of the perforated plate 18, penetrating the filter screen 19 and connecting it to the extrusion tank 3, thus facilitating the connection between the filter screen 19 and the perforated plate 18. Plate 18 is installed together at one end of extrusion tank 3. Support plates 6 are welded to both sides of the bottom end of drive motor 2. A pair of first bolts 7 are installed at one end of each support plate 6. Support plates 6 are welded to both sides of the bottom end of drive motor 2. A pair of first bolts 7 are installed at one end of each support plate 6 to facilitate the installation and fixation of drive motor 2. Sealing grooves 23 are opened on one side of extrusion tank 3 and extrusion head 5. Sealing rings 21 are locked between the two sealing grooves 23 to prevent material leakage. A support frame 4 is installed at one end of extrusion tank 3 and machine body 1 to facilitate the support of extrusion tank 3. A human-machine interface 10 is designed at the middle of the front end of machine body 1 to facilitate the control of the entire device.
[0034] Working principle: A filter screen 19 and a perforated plate 18 are sequentially installed at the end of the feeding screw 8 at the extrusion end of the extruder 3. The filter screen 19 removes impurities and fine particles from the rubber material, ensuring the surface quality and internal uniformity of the rubber product. The perforated plate 18 converts the rotating material into a direct current and further filters and homogenizes the rubber material flow, preventing significant uneven flow or air bubbles, thereby improving the quality of the final product. A fixing frame 12 is installed at the extrusion end of the extruder head 5 at the top of the machine body 1. The cylinder 13 at the top of the fixing frame 12 extends to control the downward movement of the cutter 15, thereby cutting the extruded rubber product. This cutting structure is not installed on the surface of the extruder head 5, thus avoiding damage to the cutting equipment due to excessive temperature at the extruder head 5. Furthermore, the cutter 15 is detachable, facilitating replacement of damaged cutters and reducing maintenance costs.
[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 utility model should be included within the protection scope of the present utility model.
Claims
1. A rubber extruder for shoe sole production, comprising a machine body (1), characterized in that: A drive motor (2) is installed on one side of the top of the machine body (1). A feeding screw (8) is installed at the output end of the drive motor (2). An extrusion canister (3) is provided at the outer end of the feeding screw (8). A feed cylinder (9) is integrally provided at one end of the top of the extrusion canister (3). An electric heater (17) is installed on the inner wall of the extrusion canister (3). An extrusion head (5) is installed at one end of the extrusion canister (3) by multiple fifth bolts (22). A perforated plate (18) is installed inside one end of the extrusion canister (3). A filter screen (19) is installed at the end of the perforated plate (18) near the drive motor (2).
2. The rubber extruder for shoe sole production according to claim 1, characterized in that: A fixing frame (12) is installed on one side of the top of the machine body (1) by two pairs of second bolts (11). Cylinders (13) are inlaid on both sides of the top of the fixing frame (12). A mounting plate (14) is provided at the output end of the two cylinders (13). A cutter (15) is installed on one side of the mounting plate (14) by a pair of third bolts (16).
3. The rubber extruder for shoe sole production according to claim 1, characterized in that: The perforated plate (18) is connected to the extruder (3) by a plurality of fourth bolts (20) through the filter screen (19) on one side.
4. A rubber extruder for shoe sole production according to claim 1, characterized in that: The drive motor (2) has a bracket plate (6) welded on both sides of its bottom end, and a pair of first bolts (7) are installed on one end of each bracket plate (6).
5. A rubber extruder for shoe sole production according to claim 1, characterized in that: A sealing groove (23) is provided on one side of both the extrusion can (3) and the extrusion head (5), and a sealing ring (21) is fitted between the two sealing grooves (23).
6. A rubber extruder for shoe sole production according to claim 1, characterized in that: One end of the extrusion can (3) is connected to the machine body (1) and a support frame (4) is provided.
7. A rubber extruder for shoe sole production according to claim 1, characterized in that: The front middle of the body (1) is designed with a human-machine interface (10).