A multi-color precision extrusion die apparatus

Abstract

This utility model discloses a multi-color precision extrusion die device, including a composite shell assembly. A core mold is located within the composite shell assembly, and a forming cavity is provided between the core mold and the composite shell assembly. The composite shell assembly also includes an extrusion chamber and a connecting port, which are connected. An extrusion spiral blade is located within the extrusion chamber. Multiple feed pipes are sealed and inserted into the top of the composite shell assembly, communicating with the extrusion chamber. A one-way valve is threaded to the top of each feed pipe, and a material tank connector is threaded to the top of the one-way valve. The composite shell assembly includes a main shell, and a connecting shell is located at the bottom of the main shell. This utility model, through the sealed insertion of the feed pipes into the top of the composite shell assembly, allows materials of different colors to be input into the extrusion chamber from different feed pipes, enabling multiple colors of material to be extruded through the die device, thus improving the extrusion effect of the die device.

Description

Technical Field

[0001] This utility model relates to the field of die head device technology, and in particular to a multi-color precision extrusion die head device. Background Technology

[0002] Currently, the fluid in the extrusion die of the blow-fill-seal machine is formed into a product after passing through the die device, and the product is extruded by combining multiple materials according to the user's needs.

[0003] Among them, a search revealed that Chinese patent CN214773890U discloses a center-feed extrusion die head device. In the application of the above-mentioned patent's technical solution, it is not convenient for multiple colors of materials to be extruded through the die head device, resulting in poor extrusion effect of the die head device on the product. Therefore, in order to better realize the function of multi-color material extrusion, promote the technological progress of the industry, and improve the core technology competitiveness, this application proposes a new implementation scheme that is different from the die head device structure in the prior art. Utility Model Content

[0004] The purpose of this invention is to solve the problem that existing die head devices are not convenient for extruding multiple colored materials through the die head device, and to propose a multi-color precision extrusion die head device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A multi-color precision extrusion die device includes a composite housing assembly, a core mold inside the composite housing assembly, a forming cavity between the core mold and the composite housing assembly, an extrusion cavity and a connection port inside the composite housing assembly, the extrusion cavity, the connection port and the forming cavity being connected, an extrusion spiral blade inside the extrusion cavity, and multiple feed pipes being sealed and inserted into the top of the composite housing assembly, the feed pipes being connected to the extrusion cavity, a one-way valve being threaded to the top end of the feed pipes, and a material tank connector being threaded to the top end of the one-way valve.

[0007] Furthermore, the composite housing assembly includes a main housing, a connecting housing at the bottom of the main housing, a fixing housing at the bottom of the connecting housing, and a bottom housing at the bottom of the fixing housing.

[0008] Furthermore, a top seat is provided on the top of the main shell, and a pin is inserted between the top seat, the main shell, the connecting shell, the fixing shell, and the bottom shell.

[0009] Furthermore, the feed pipe is sealed and inserted into the top of the main body shell, the extrusion chamber is located inside the main body shell, the connection port is located on the bottom inner wall of the extrusion chamber, and the core mold is located inside the connecting shell, the fixed shell, and the bottom shell.

[0010] Furthermore, a fixing seat is fixedly connected to one end of the main body shell, and a sealing rod is fixedly connected to one side of the fixing seat. The sealing rod is inserted into one end of the extrusion chamber.

[0011] Furthermore, a side seat is fixedly connected to one end of the main body shell, a mounting plate is fixedly connected to one side of the side seat, a drive motor is fixedly connected to the top of the mounting plate, and the output end of the drive motor is fixedly connected to one end of the extrusion spiral blade.

[0012] Furthermore, a connecting ring is snapped onto the top of the connecting shell, and multiple connecting blocks are fixedly connected to the inner circumference of the connecting ring. One side of the connecting block is fixedly connected to the outer wall of the core mold, and a gap is left between the core mold and the connecting ring.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. By using a top-sealed connection between the feed pipe and the composite housing assembly, materials of different colors are fed into the extrusion chamber from different feed pipes, so that materials of multiple colors can be extruded through the die head device, thereby improving the extrusion effect of the die head device on the product.

[0015] 2. The sealing rod inserted into one end of the extrusion chamber further ensures the sealing of the extrusion chamber and prevents material leakage. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a multi-color precision extrusion die device proposed in this utility model;

[0017] Figure 2 This is a cross-sectional front view schematic diagram of a multi-color precision extrusion die device proposed in this utility model;

[0018] Figure 3 This is a partial three-dimensional structural diagram of a multi-color precision extrusion die device proposed in this utility model.

[0019] In the diagram: 1. Composite shell assembly; 101. Main shell; 102. Connecting shell; 103. Fixing shell; 104. Bottom shell; 105. Top seat; 2. Core mold; 3. Extrusion chamber; 4. Connecting port; 5. Forming chamber; 6. Side seat; 7. Extrusion spiral blade; 8. Feed pipe; 9. One-way valve; 10. Material tank connector; 11. Fixing seat; 12. Sealing rod; 13. Drive motor; 14. Connecting ring; 15. Connecting block. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Reference Figures 1-3 A multi-color precision extrusion die head device includes a composite shell assembly 1, a core mold 2 inside the composite shell assembly 1, a forming cavity 5 between the core mold 2 and the composite shell assembly 1, an extrusion cavity 3 and a connection port 4 inside the composite shell assembly 1, the extrusion cavity 3, the connection port 4 and the forming cavity 5 are connected, an extrusion spiral blade 7 is provided inside the extrusion cavity 3, a side seat 6 is fixed to one end of the main shell 101 by bolts, an mounting plate is welded to one side of the side seat 6, a drive motor 13 is fixed to the top of the mounting plate by bolts, the output end of the drive motor 13 is fixedly connected to one end of the extrusion spiral blade 7, the extrusion spiral blade 7 rotates under the drive of the drive motor 13, and the material in the extrusion cavity 3 is extruded through the connection port 4 and the forming cavity 5 to form the desired product structure;

[0022] Multiple feed pipes 8 are sealed and inserted into the top of the composite shell assembly 1. Materials of different colors are fed into the extrusion chamber 3 from different feed pipes 8 so that materials of multiple colors can be extruded through the die head device. The feed pipes 8 are connected to the extrusion chamber 3. A one-way valve 9 is threaded to the top of the feed pipe 8. A material tank connector 10 is threaded to the top of the one-way valve 9 so that the material tank connector 10 can be connected to the material tank.

[0023] The composite housing assembly 1 includes a main housing 101, a connecting housing 102 at the bottom of the main housing 101, a fixing housing 103 at the bottom of the connecting housing 102, a bottom housing 104 at the bottom of the fixing housing 103, and a top seat 105 at the top of the main housing 101. A pin is inserted between the top seat 105, the main housing 101, the connecting housing 102, the fixing housing 103, and the bottom housing 104. The feed pipe 8 is sealed and inserted into the top of the main housing 101, thereby ensuring the precise alignment and fixation of each part and making the device work stably. The extrusion chamber 3 is set inside the main housing 101, the connection port 4 is set inside the bottom inner wall of the extrusion chamber 3, and the core mold 2 is set inside the connecting housing 102, the fixing housing 103, and the bottom housing 104.

[0024] One end of the main body shell 101 is fixed with a fixing seat 11 by bolts. A sealing rod 12 is welded to one side of the fixing seat 11. The sealing rod 12 is inserted into one end of the extrusion chamber 3. The sealing rod 12 further ensures the sealing of the extrusion chamber 3 and avoids material leakage.

[0025] A connecting ring 14 is snapped onto the top of the connecting shell 102. Multiple connecting blocks 15 are welded to the inner circumference of the connecting ring 14. One side of the connecting block 15 is fixedly connected to the outer wall of the core mold 2. A gap is left between the core mold 2 and the connecting ring 14 to allow material to flow.

[0026] The working principle of this embodiment is as follows: In use, multiple material tank connectors 10 are connected to multiple material tanks of different colors. The material is input into the material tank connector 10 through an external pump, and then input into the extrusion chamber 3 through the one-way valve 9 and the feed pipe 8. Then, the drive motor 13 is started, and the extrusion spiral blade 7 rotates under the drive of the drive motor 13, so that the material is input into the connector 4 and then extruded from the forming chamber 5.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A multi-color precision extrusion die device, comprising a composite housing assembly (1), characterized in that, The composite shell assembly (1) is provided with a core mold (2), and a molding cavity (5) is provided between the core mold (2) and the composite shell assembly (1). The composite shell assembly (1) is provided with an extrusion cavity (3) and a connection port (4). The extrusion cavity (3), the connection port (4) and the molding cavity (5) are connected. The extrusion cavity (3) is provided with an extrusion spiral blade (7). The top of the composite shell assembly (1) is sealed with multiple feed pipes (8). The feed pipes (8) are connected to the extrusion cavity (3). The top end of the feed pipes (8) is threaded with a one-way valve (9). The top end of the one-way valve (9) is threaded with a material tank connector (10).

2. The multi-color precision extrusion die device according to claim 1, characterized in that, The composite shell assembly (1) includes a main shell (101), a connecting shell (102) at the bottom of the main shell (101), a fixing shell (103) at the bottom of the connecting shell (102), and a bottom shell (104) at the bottom of the fixing shell (103).

3. The multi-color precision extrusion die device according to claim 2, characterized in that, The top of the main shell (101) is provided with a top seat (105), and a pin is inserted between the top seat (105), the main shell (101), the connecting shell (102), the fixing shell (103), and the bottom shell (104).

4. The multi-color precision extrusion die device according to claim 2, characterized in that, The feed pipe (8) is sealed and inserted into the top of the main body shell (101), the extrusion chamber (3) is set inside the main body shell (101), the connection port (4) is set inside the bottom inner wall of the extrusion chamber (3), and the core mold (2) is set inside the connecting shell (102), the fixing shell (103), and the bottom shell (104).

5. A multi-color precision extrusion die device according to claim 2, characterized in that, One end of the main shell (101) is fixedly connected to a fixing seat (11), and a sealing rod (12) is fixedly connected to one side of the fixing seat (11). The sealing rod (12) is inserted into one end of the extrusion chamber (3).

6. The multi-color precision extrusion die device according to claim 2, characterized in that, One end of the main body shell (101) is fixedly connected to a side seat (6), one side of the side seat (6) is fixedly connected to a mounting plate, the top of the mounting plate is fixedly connected to a drive motor (13), and the output end of the drive motor (13) is fixedly connected to one end of the extrusion spiral blade (7).

7. A multi-color precision extrusion die device according to claim 2, characterized in that, The top of the connecting shell (102) is snapped with a connecting ring (14), and a plurality of connecting blocks (15) are fixedly connected to the inner circumference of the connecting ring (14). One side of the connecting block (15) is fixedly connected to the outer wall of the core mold (2), and a gap is left between the core mold (2) and the connecting ring (14).

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