Diamond guide die

Abstract

The utility model provides a diamond guide die which comprises a guide die body, a center through hole is formed in the left end in the guide die body, the right end of the guide die body is arranged in a taper mode, an outlet is formed in the right end face of the guide die body and located on the right portion of the taper of the right end of the guide die body, and a die core is arranged in the outlet. The end, close to the center through hole, of the mold core is made of tungsten steel, and the end, away from the center through hole, of the mold core is made of polycrystalline. According to the utility model, the die core is arranged in the outlet at the right end of the guide die body by adopting a novel process fixed connection structure, and the die core is made of tungsten steel and polycrystalline, so that the abrasion of the die core at the outlet is at least three times slower than that of the conventional die core, the stability of ovality can be ensured for a long time, and the qualified rate of automobile cable production is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of diamond guiding die, belong to guiding technology field. BACKGROUND

[0002] When the automobile cable is subjected to plastic insulation treatment, a guiding die and an extrusion die are needed. The guiding die includes a main body, a front end and a tail end. The guiding die is provided with a central through hole, and the core wire passes through the central through hole. The front end and the main body of the guiding die extend into the rear cavity of the extrusion die and are fixed in the extrusion die. The plastic raw material is injected from above the extrusion die, and the plastic raw material is wrapped on the core wire through the extrusion die, so as to realize the plastic insulation of the core wire.

[0003] Generally, the guiding die core is designed in the middle due to the material. However, this will cause the material at the outlet of the guiding die to be different, which will cause the outlet of the guiding die to be easily worn and cause the ovality to be large. When the ovality is large, it will affect the production of automobile cable qualified rate. Therefore, the utility model provides a kind of diamond guiding die to solve the above problems. UTILITY MODEL CONTENT

[0004] Based on the above background, the purpose of the utility model is to provide a kind of diamond guiding die to solve the problems in the background art.

[0005] The utility model provides the following technical scheme:

[0006] A kind of diamond guiding die, including guiding die body, the left end of the guiding die body is provided with a central through hole, the right end of the guiding die body is tapered, the right end face of the guiding die body is provided with an outlet, the outlet is located in the right part of the right end taper of guiding die body, the outlet is provided with a die core, the die core is made of tungsten steel at the end close to the central through hole, the die core is made of polycrystal at the end away from the central through hole, the right end of the die core is horizontal with the right end face of the outlet.

[0007] Preferably, an inlet is formed in the left end face of the guiding die body, the inlet is tapered, the inlet is coaxial with the central through hole, and the diameter of the right end of the inlet is the same as the diameter of the left end of the central through hole.

[0008] Preferably, a tapered guide hole is provided in the left end part of the right end taper of the guiding die body, the left end of the tapered guide hole penetrates into the central through hole, and the right end of the tapered guide hole penetrates into the outlet.

[0009] Preferably, the diameter of the left end of the tapered guide hole is equal to the diameter of the right end of the central through hole, and the diameter of the right end of the tapered guide hole is smaller than the diameter of the outlet.

[0010] Preferably, the left end inner wall of the mold core is provided with a tapered guide port, and the tapered guide port has the same taper as the tapered guide hole.

[0011] Preferably, the left end of the tapered guide port is seamlessly connected with the right end of the tapered guide hole.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] The utility model discloses a diamond guide mould, through with the novel technology fixed connection structure of mold core is arranged in the export of the right end of guide mould body, and the mold core is made of tungsten steel and polycrystal, so that the abrasion of the export of the mold core is at least three times more than conventional, can long time guarantee the stability of ovality, has improved the qualified rate of automobile cable production. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only the embodiment of the utility model, and for the ordinary skilled in the art, under the premise of not creating the creative labor, other drawings can also be obtained according to the provided drawings.

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the structural schematic diagram of the utility model Figure 1 Enlarged schematic diagram of A part structure in the utility model.

[0017] In the drawing: 1, guide mould body;2, center through hole;3, export;4, mold core;5, import;6, tapered guide hole;7, tapered guide port. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model will be further specifically explained below by specific embodiments and in conjunction with the drawings.It should be understood that the implementation of the utility model is not limited to the following embodiments, and any form of variation and / or change of the utility model will fall within the scope of protection of the utility model.

[0019] In the utility model, if not specified, all parts and percentages are weight units, and the equipment and raw materials used can be purchased from the market or commonly used in the art.The methods in the following embodiments are conventional methods in the art unless otherwise specified.The components or equipment in the following embodiments are general standard components or components known to those skilled in the art unless otherwise specified, and their structure and principle are known to the skilled person through technical manuals or through conventional experimental methods.

[0020] The embodiments of the present application will be described in detail below with reference to the drawings. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present application. However, one or more embodiments can be practiced without these specific details.

[0021] As Figures 1-2 shown, a kind of diamond guiding die, including guiding die body 1, the left end of the guiding die body 1 is equipped with center through hole 2, the right end of the guiding die body 1 is set to taper, the right end face of the guiding die body 1 is equipped with outlet 3, the outlet 3 is located in the right part of the taper of guiding die body 1 right end, the outlet 3 is equipped with die core 4, the die core 4 is made of tungsten steel near one end of center through hole 2, the die core 4 is made of polycrystal far from one end of center through hole 2, the right end of the die core 4 and the right end face of the outlet 3 are horizontal.

[0022] In the above technical solution, by being fixedly connected with novel process structure in the outlet 3 of the right end of guiding die body 1, the die core 4 is made of tungsten steel and polycrystal, so that the wear of the die core 4 at outlet 3 is at least more than three times slower than conventional, can long time guarantee the stability of ovality, improves the qualified rate of automobile cable production.

[0023] In the present application, the left end face of the guiding die body 1 is provided with an inlet 5, the inlet 5 is set to taper, the inlet 5 is coaxially arranged with the center through hole 2, and the diameter of the right end of the inlet 5 is the same as the diameter of the left end of the center through hole 2.

[0024] In the above technical solution, by setting the tapered inlet 5 on the left end of the guiding die body 1, and making the diameter of the right end of the inlet 5 the same as the diameter of the left end of the center through hole 2, it is convenient to thread the center through hole 2.

[0025] In the present application, the right end of the guiding die body is provided with a tapered guiding hole 6 in the left end part of the taper, the left end of the tapered guiding hole 6 penetrates into the center through hole 2, and the right end of the tapered guiding hole 6 penetrates into the outlet 3.

[0026] In the above technical solution, by setting the tapered guiding hole 6, it is convenient to guide the threaded end in the center through hole 2 to the inside of the die core 4 during threading, further improving the convenience of threading.

[0027] In the utility model, the left end diameter of the conical guide hole 6 is equal to the right end diameter of the center through hole 2, the right end diameter of the conical guide hole 6 is less than the diameter of the opening, the left end inner wall of the mold core 4 is equipped with a conical guide port 7, the taper of the conical guide port 7 is same with the conical guide hole 6, and the left end of the conical guide port 7 is seamlessly connected with the right end of the conical guide hole 6.

[0028] In the above technical scheme, the conical guide port 7 is arranged, the taper of the conical guide port 7 is same with the conical guide hole 6, and the two are seamlessly connected, when the wire penetrating end passes through the conical guide hole 6 and the conical guide port 7 and slides into the mold core 4, the wire is not blocked, and the convenience of wire penetration is further improved.

[0029] The principle and implementation mode of the utility model are described by applying specific examples in the paper, and the above embodiment is only used for helping to understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claim.

Claims

1. A diamond pilot, characterised in that: The utility model provides a guide mould body (1), the left end of guide mould body (1) is equipped with center through -hole (2), the right end of guide mould body (1) is set up in taper, the right end surface of guide mould body (1) is equipped with outlet (3), outlet (3) is located right part of the taper of the right end of guide mould body (1), the inside of outlet (3) is equipped with mould core (4), the one end of mould core (4) is close to center through -hole (2) and is made of tungsten steel, the one end of mould core (4) is away from center through -hole (2) and is made of polycrystal, the right end of mould core (4) with the right end surface of outlet (3) is horizontal.

2. A diamond pilot according to claim 1, characterised in that: The left end surface of guide mould body (1) is equipped with inlet (5), inlet (5) is set up in taper, inlet (5) is set up with the same axis of center through -hole (2), and the right end diameter of inlet (5) is same with the left end diameter of center through -hole (2).

3. A diamond pilot according to claim 1, wherein: The left end part of the right end of guide mould body is set up in taper and is equipped with conical guide hole (6), the left end of conical guide hole (6) is penetrated to center through -hole (2), and the right end of conical guide hole (6) is penetrated to outlet (3).

4. A diamond pilot according to claim 3, wherein: The left end diameter of conical guide hole (6) is equal with the right end diameter of center through -hole (2), and the right end diameter of conical guide hole (6) is less than the diameter of opening.

5. A diamond pilot according to claim 4, wherein: The left end inner wall of mould core (4) is equipped with conical guide mouth (7), and the taper of conical guide mouth (7) is same with the taper of conical guide hole (6).

6. A diamond pilot according to claim 5, wherein: The left end of conical guide hole (6) and the right end of conical guide hole (6) are seamlessly connected.

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