A novel cable extruder mold that requires no adjustment

Abstract

This utility model belongs to the technical field of cable extrusion machines, and in particular, it is a novel cable extrusion machine mold that does not require adjustment. It includes a mold sleeve and a mold core. The mold sleeve has a cavity for installing the mold core, and the mold sleeve is movably fitted with the mold core through the cavity. One end of the mold sleeve has a material extrusion port communicating with the cavity, and one end of the mold core has an extrusion head that is movably inserted into the material extrusion port. This utility model, by using the mold sleeve, cavity, mold core, material extrusion port, extrusion head, positioning female groove, and positioning male groove in conjunction, improves the connection stability between the mold sleeve and the mold core, achieves automatic center alignment without manual adjustment, and has a chamfered corner at one end of the mold sleeve entrance to ensure precise fit, enabling rapid positioning and modular assembly. It is suitable for cable products that require frequent mold changes.

Description

Technical Field

[0001] This utility model relates to the field of cable extrusion machine technology, specifically a novel cable extrusion machine mold that does not require adjustment. Background Technology

[0002] Cable extruders are mainly used in the production of cables for the power, communications, electrical, and electronics industries. They heat and extrude plastic or rubber materials to form the cable's insulation and sheath layers. In traditional cable production, mold debugging and replacement are time-consuming and cumbersome steps, affecting production line efficiency and product quality. Extruder molds play a crucial role in the plastics processing and manufacturing industry, especially in the production of plastic products such as cables, pipes, window frames, and automotive parts. They are indispensable tools in the extrusion molding process, used to extrude molten plastic or rubber through the mold opening into the desired shape.

[0003] The existing technology has the following problems:

[0004] Existing cable extruders that do not require mold adjustment still require manual adjustment of the mold eccentricity during use, resulting in relatively low production efficiency. Furthermore, the mold is not easy to assemble and position quickly, making disassembly and use relatively cumbersome and limiting its practical application. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this utility model provides a novel cable extruder mold that does not require adjustment, thereby solving the problems mentioned in the background section.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a novel cable extrusion machine mold that does not require adjustment, comprising a mold sleeve and a mold core, wherein the mold sleeve has a cavity for installing the mold core, and the mold sleeve is movably sleeved with the mold core through the cavity;

[0007] One end of the die sleeve is provided with a material extrusion port that communicates with the cavity, and one end of the die core is provided with an extrusion head that is movably inserted into the material extrusion port.

[0008] As a preferred embodiment of this utility model, the other end of the mold core is provided with a threaded joint.

[0009] As a preferred embodiment of this utility model, the inner wall of the mold sleeve is provided with a positioning groove, and the outer edge of the positioning groove is provided with an inclined chamfer.

[0010] As a preferred technical solution of this utility model, the mold core is provided with a positioning male groove, which meshes with the positioning female groove, and the positioning male groove and the positioning female groove are movable and limited to each other.

[0011] As a preferred technical solution of this utility model, the outer wall of the mold core is provided with strip grooves, and five sets of strip grooves are provided and symmetrically distributed on the outer wall of the mold core.

[0012] As a preferred embodiment of this utility model, an annular groove is provided at the end of the mold core with a smaller diameter.

[0013] As a preferred embodiment of this invention, the mold core is cone-shaped.

[0014] As a preferred technical solution of this utility model, one end of each strip groove is connected to an annular groove, and the strip groove and the annular groove form a plum blossom cone-shaped flow channel.

[0015] Compared with the prior art, this utility model provides a novel cable extruder mold that does not require adjustment, which has the following advantages:

[0016] 1. This novel cable extruder features an adjustable mold. It utilizes a mold sleeve, cavity, mold core, material extrusion port, extrusion head, positioning female groove, and positioning male groove in a coordinated manner. The mold sleeve is movably fitted to the mold core through the cavity, the extrusion head is movably inserted into the material extrusion port, and the positioning male groove and positioning female groove are movably limited and connected. This improves the stability of the connection between the mold sleeve and the mold core, achieving automatic center alignment without manual adjustment. A chamfer is provided at one end of the mold sleeve entrance to ensure precise fit, enabling rapid positioning and modular assembly. It is suitable for cable products requiring frequent mold changes.

[0017] 2. This novel cable extruder mold, designed for adjustment-free operation, features a combination of strip grooves and annular grooves on the outer wall of the mold core. One end of each strip groove connects to the annular groove, forming a plum blossom-shaped conical flow channel. This increases material flow uniformity, reduces dead material and scorched material, and prevents surface streaks or agglomeration in the extruded layer. The modular design (e.g., separating the mold sleeve from the mold core) improves mold interchangeability. The graded design, including homogenization channels and mold inlet channels, optimizes material distribution uniformity, reduces adjustment requirements, facilitates individual replacement of damaged parts, and allows for easy cleaning of residual material, thus lowering maintenance costs. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the cross-sectional structure of the mold of this utility model;

[0019] Figure 2 This is a schematic diagram of the mold structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the docking structure between the mold sleeve and the mold core of this utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the mold of this utility model;

[0022] Figure 5 This is a schematic diagram of the mold core structure of this utility model.

[0023] In the diagram: 1. Mold sleeve; 2. Cavity; 3. Mold core; 4. Material extrusion port; 5. Threaded joint; 6. Extrusion head; 7. Positioning female groove; 8. Positioning male groove; 9. Strip groove; 10. Annular groove. Detailed Implementation

[0024] 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.

[0025] Please see Figure 1-5 In this embodiment: a novel cable extruder mold that does not require adjustment includes a mold sleeve 1 and a mold core 3. The mold sleeve 1 has a cavity 2 for installing the mold core 3. The mold sleeve 1 is movably connected to the mold core 3 through the cavity 2, which facilitates the assembly and disassembly of the mold sleeve 1 and the mold core 3.

[0026] One end of the mold sleeve 1 is provided with a material extrusion port 4 that communicates with the cavity 2, and one end of the mold core 3 is provided with an extrusion head 6, which is movably inserted into the material extrusion port 4.

[0027] In this embodiment, in order to facilitate the installation and use of the mold core 3, a threaded connector 5 is provided at the other end of the mold core 3, which can be installed and connected to the extruder;

[0028] In this embodiment, in order to facilitate precise docking of the mold sleeve 1 and the mold core 3, a positioning female groove 7 is provided on the inner wall of the mold sleeve 1, and the edge of the positioning female groove 7 extending outward is provided with an inclined chamfer. At the same time, a positioning male groove 8 is provided on the mold core 3. The positioning male groove 8 meshes with the positioning female groove 7, and the positioning male groove 8 and the positioning female groove 7 are movable and limited to docking, which can improve the docking stability between the mold sleeve 1 and the mold core 3, realize automatic alignment of the center, and eliminate the need for manual adjustment. An inclined chamfer is provided at one end of the mold sleeve 1 to ensure precise fit, realize rapid positioning and modular assembly, and is suitable for cable products that require frequent mold changes.

[0029] In this embodiment, in order to improve the flow uniformity of the extruded material, a strip groove 9 is provided on the outer wall of the die core 3, and an annular groove 10 is also provided at the end of the die core 3 where the diameter decreases. The annular groove 10 is connected to the strip groove 9. Five sets of strip grooves 9 are provided and symmetrically distributed on the outer wall of the die core 3. The strip grooves 9 and the annular groove 10 form a plum blossom cone-shaped flow channel, which can increase the flowability of the material, reduce dead material and scorched material, and avoid stripes or lumps on the surface of the extruded layer.

[0030] The working principle and usage process of this utility model are as follows: When using it, the operator inserts the mold core 3 into the cavity 2 inside the mold sleeve 1, inserts the extrusion head 6 into the material extrusion port 4, and the positioning male groove 8 on the mold core 3 is matched with the positioning female groove 7 inside the mold sleeve 1 for limiting and docking. This allows for quick and easy docking and installation of the mold sleeve 1 and the mold core 3. A threaded connector 5 is provided at one end of the mold core 3, which allows for threaded docking and installation of the extruder. During material extrusion processing, the strip groove 9 and the annular groove 10 on the outer wall of the mold core 3 can improve the uniformity of material flow during extrusion, thereby improving the quality of cable processing production.

[0031] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A novel cable extruder mold that requires no adjustment, comprising a mold sleeve (1) and a mold core (3), characterized in that: The mold sleeve (1) has a cavity (2) for installing the mold core (3) inside, and the mold sleeve (1) is movably connected to the mold core (3) through the cavity (2); One end of the mold sleeve (1) is provided with a material extrusion port (4) that communicates with the cavity (2), and one end of the mold core (3) is provided with an extrusion head (6), and the extrusion head (6) is movably inserted into the material extrusion port (4). The outer wall of the mold core (3) is provided with strip grooves (9) and symmetrically distributed on the outer wall of the mold core (3). The end of the mold core (3) with a smaller diameter is also provided with an annular groove (10). The strip grooves (9) and the annular grooves (10) are connected.

2. The novel cable extruder mold without adjustment according to claim 1, characterized in that: The other end of the mold core (3) is provided with a threaded joint (5).

3. The novel cable extruder mold without adjustment according to claim 1, characterized in that: The inner wall of the mold (1) is provided with a positioning groove (7), and the outer edge of the positioning groove (7) is provided with an inclined chamfer.

4. The novel cable extruder mold without adjustment according to claim 1, characterized in that: The mold core (3) is provided with a positioning male groove (8), which engages with the positioning female groove (7), and the positioning male groove (8) and the positioning female groove (7) are movable and limited to docking.

5. The novel cable extruder mold without adjustment according to claim 1, characterized in that: The strip groove (9) is provided in five sets.

6. The novel cable extruder mold without adjustment according to claim 1, characterized in that: The mold core (3) is cone-shaped.

7. The novel cable extruder mold without adjustment according to claim 6, characterized in that: The strip groove (9) and the annular groove (10) form a plum blossom cone-shaped flow channel.

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