Universal integrated special-shaped cable extrusion mold

Abstract

The utility model discloses a universal integrated special-shaped cable extrusion mold, which comprises a mold sleeve I, a mold sleeve II and a mold core, the mold sleeve II and the mold sleeve I are matched to form a complete mold sleeve structure, the mold core and the mold sleeve II are matched and connected, at least two axially parallel mold holes are arranged on the mold core, the mold holes are respectively a mold hole I and a mold hole II, and the mold hole I and the mold hole II are communicated with each other. The first die sleeve is provided with a first discharging port and a second discharging port which correspond to the first die hole and the second die hole. After the first die sleeve, the second die sleeve and the die core are connected in a matched mode, the first die sleeve and the second die sleeve are welded together through a welding seam to form the integrated die. Through the mode, the universal type integrated special-shaped cable extrusion mold can solve the problem that a split type mold needs to adjust eccentricity, solves the instability phenomenon in the production process of the split type mold and a self-centering mold, is suitable for machine heads and extrusion molds in most forms, and is high in universality.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable manufacturing technical field especially relates to a general type integral special-shaped cable plastic extrusion mould. BACKGROUND

[0002] With the development of cable industry, the special-shaped optical cable containing two and more units gradually increases, and the split mould is still generally used in the cable sheath extrusion process at present, and the split mould has the following defects:

[0003] 1. Long preparation time in early production: the split mould is composed of multiple parts, which increases the complexity and time of production assembly;

[0004] 2. Difficulty in eccentricity adjustment: after assembly, the split mould becomes difficult to adjust the eccentricity due to the connection and cooperation problems between parts, and more time and effort are often consumed;

[0005] 3. Low production efficiency: due to the above two problems, the split mould is prone to low production efficiency in the production process, affecting the overall production progress and capacity;

[0006] 4. High cost of waste and defective products: in the extrusion process, due to the cooperation and precision problems, the extrusion quality is unstable, resulting in waste and defective products, increasing the production cost;

[0007] 5. Quality fluctuation: the split mould is prone to looseness in the extrusion process due to thermal expansion and contraction and the action force of the cable core, resulting in quality fluctuation in the extrusion process and affecting the stability and reliability of the product.

[0008] Indeed, there are some self-centering mould designs on the market, which can solve the problem of difficult eccentricity adjustment to some extent, but due to the diversity of the machine head and the mould, these designs are not universal and have poor stability. INVENTION CONTENTS

[0009] The utility model mainly solves the technical problem to provide a general type integral special-shaped cable plastic extrusion mould, the split type plastic extrusion mould and the self-centering plastic extrusion mould are changed into integral plastic extrusion mould, can solve the problem that the split type mould needs to adjust eccentricity, solve the unstable phenomenon in the production process of split type mould and self-centering mould, applicable to most forms of machine head and plastic extrusion mould, and the universality is stronger.

[0010] To solve the above technical problems, one technical scheme of the utility model is to provide a general type integral special-shaped cable plastic extrusion mould, comprising:

[0011] The mould sleeve one;

[0012] The mold sleeve two cooperates with the mold sleeve one to form a complete mold sleeve structure;

[0013] The mold core cooperates with the mold sleeve two to connect;

[0014] The mold core is provided with at least two axial parallel mold holes, which are respectively a mold hole one and a mold hole two.

[0015] The mold sleeve one, the mold sleeve two and the mold core are connected and welded together through a welding seam to form an integrated mold.

[0016] In a preferred embodiment of the utility model, the mold sleeve one is symmetrically provided with a positioning pin hole, and the mold sleeve two is provided with a positioning pin matched with the positioning pin hole.

[0017] In a preferred embodiment of the utility model, the positioning pin hole and the positioning pin are matched in position and number.

[0018] In a preferred embodiment of the utility model, the mold sleeve two is connected to the mold core as an integrated structure through at least two skeletons.

[0019] In a preferred embodiment of the utility model, the mold hole is an extrusion mold hole, an extrusion tube mold hole or a half extrusion tube mold hole.

[0020] In a preferred embodiment of the utility model, the mold sleeve one has a conical mold cavity inside, and the mold core has a conical section and a straight section, wherein the conical section forms a conical die head matched with the conical mold cavity.

[0021] The utility model has the advantages of easy installation and replacement, no eccentricity adjustment, strong mold universality, applicability to most forms of machine heads, design of extrusion molds and most extrusion scenes of special-shaped optical cables, stable optical cable structure during use, no optical cable structure fluctuation caused by mold loosening, effective improvement of production efficiency, product quality, reduction of waste materials and waste cables. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 is a structure schematic view of the utility model's general integrated special-shaped cable extrusion mold in a separated state.

[0024] Figure 2 is the structure schematic diagram of the general type integrated special-shaped cable extrusion mold in connection state of the utility model;

[0025] Figure 3 is Figure 2 the left view;

[0026] Figure 4 is Figure 2 the right view;

[0027] Figure 5 is Figure 4 the A-A section view of

[0028] The marks of the components in the drawings are as follows:

[0029] 1, mold sleeve one, 101, conical cavity, 2, mold sleeve two, 3, positioning pin hole, 4, positioning pin, 5, mold core, 501, conical die head, 6, mold hole one, 7, mold hole two, 8, discharge port one, 9, discharge port two, 10, skeleton, 11, welding seam. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0032] Please refer to Figures 1 to 5 ,

[0033] The utility model relates to a kind of general type integrated special-shaped cable extrusion mold, it is suitable for the extrusion of special-shaped cable extrusion, including mold sleeve one 1, mold sleeve two 2 and mold core 5, the mold sleeve two 2 is cooperated with mold sleeve one 1 and forms a complete mold sleeve structure, the mold core 5 is cooperated with mold sleeve two 2 and is connected.

[0034] Specifically, first is the mold sleeve one 1 and the mold sleeve two 2, the mold sleeve one 1 is symmetrically provided with a positioning pin hole 3, the mold sleeve two 2 is provided with a positioning pin 4 matched with the positioning pin hole 3, and the positioning pin hole 3 and the positioning pin 4 are connected to realize the integral connection of the mold sleeve one 1 and the mold sleeve two 2.

[0035] In application, the setting position and number of the positioning pin hole 3 and the positioning pin 4 are matched, which can be adjusted according to actual needs to ensure the accurate positioning and stable connection of the mold sleeve one 1 and the mold sleeve two 2.

[0036] Secondly, the mold core, the mold core 5 is connected to the mold sleeve two 2 as an integral structure through at least two skeletons 10, which enhances the structural connection between the mold core 5 and the mold sleeve two 2, improves the overall strength of the mold, and the skeleton can also control the gap between the mold core and the mold sleeve two, optimize the material flow path, improve the forming precision, and in addition, by adjusting the number, shape and position of the skeleton, it can also adapt to the forming needs of different sizes, shapes and materials.

[0037] Further, the mold core 5 is provided with at least two axially parallel mold holes, namely mold hole one 6 and mold hole two 7, and the mold sleeve one 1 is provided with discharge port one 8 and discharge port two 9 corresponding to the mold hole one 1 and the mold hole two 2.

[0038] In this way, multiple products can be processed at the same time, shortening the product production cycle and improving production efficiency; by accurately designing the mold hole and the discharge port, the material utilization rate is improved, and the waste in the processing process is reduced; since the mold hole and the discharge port are paired, it can ensure that each product receives the same pressure and temperature conditions during processing, enhancing the consistency of the product and improving the overall product quality.

[0039] Further, the mold hole is an extrusion mold hole, an extrusion tube mold hole or a half extrusion tube mold hole, etc., which depends on the shape, size of the required product and the material characteristics and processing requirements in the processing process, and in actual application, the appropriate mold hole form and mold are selected according to the specific circumstances to ensure smooth processing and the quality of the final product.

[0040] Further, the mold sleeve one 1 has a conical mold cavity 101 inside, and the mold core 5 has a conical section and a straight section, wherein the conical section forms a conical die head 501 matched with the conical mold cavity to ensure that the material can smoothly transition during extrusion, optimize the material flow path, and help improve product quality and consistency and reduce scrap rate.

[0041] The mold sleeve one 1, the mold sleeve two 2 and the mold core 5 are connected by adjusting the corresponding relationship, and then the mold sleeve one 1 and the mold sleeve two 2 are welded together through the welding seam 11 to form an integrated mold, and the connection has high strength and stability, can reduce deformation, and can ensure the integration and sealing of the mold.

[0042] The utility model discious the beneficial effects of general integrated special-shaped cable extrusion mould are:

[0043] The integrated structure solves the eccentricity adjustment problem of the split mold, and the assembly and replacement of the mold can be easily completed without eccentricity adjustment, so that the maintenance and replacement of the mold are more efficient.

[0044] It has very high universality and can adapt to most forms of machine heads and extrusion molds, greatly widening the application range of the mold and being suitable for most special-shaped cable extrusion scenes.

[0045] The mold can ensure the stability of the produced optical cable structure and avoid the optical cable structure fluctuation caused by the mold loosening, thereby improving the product quality.

[0046] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the content of the utility model specification, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A general-purpose integrated profiled cable extrusion die, characterized by, It comprises: a first die sleeve; a second die sleeve, which cooperates with the first die sleeve to form a complete die sleeve structure; a die core, which cooperates with the second die sleeve; the die core is provided with at least two axially parallel die holes, which are respectively a first die hole and a second die hole, and the first die sleeve is provided with a first discharge port and a second discharge port corresponding to the first die hole and the second die hole; the first die sleeve, the second die sleeve and the die core are connected together by a welding seam to form an integrated die.

2. The universal one-piece profile cable extrusion die of claim 1, wherein, The first die sleeve is provided with a symmetrical positioning pin hole, and the second die sleeve is provided with a positioning pin adapted to the positioning pin hole, and the positioning pin hole and the positioning pin are connected to realize the integrated connection of the first die sleeve and the second die sleeve.

3. The universal one-piece profile cable extrusion die of claim 2, wherein, The positioning pin hole and the positioning pin are adapted in position and number.

4. The universal one-piece profile cable extrusion die of claim 1, wherein, The second die sleeve is connected to the die core by at least two skeletons to form an integrated structure.

5. The universal one-piece profile cable extrusion die of claim 1, wherein, The die hole is an extrusion die hole, an extrusion tube die hole or a half extrusion tube die hole.

6. The universal one-piece profile cable extrusion die of claim 1, wherein, The first die sleeve has a conical die cavity inside, and the die core has a conical section and a straight section, wherein the conical section forms a conical die head adapted to the conical die cavity.

Images