Automobile wire extrusion die

Abstract

The utility model provides an automobile wire extrusion die which comprises a first extrusion die and a second extrusion die, the first extrusion die is located on the left side of the second extrusion die, a first conical extrusion groove is formed in the first extrusion die, and a first annular thread groove is formed in the right end of the first extrusion die. A threaded connecting ring is fixed to the left end of the second extrusion die and screwed in the first annular threaded groove through threads, a first annular threaded cylinder is screwed to the right end of the interior of the first conical extrusion groove through threads, and a first guide cylinder is fixed in the first annular threaded cylinder. In order to solve the problem that an extrusion die needs to be integrally replaced when wire harnesses with different wire diameters are produced, the utility model designs a combined splicing type die structure, and the die orifice size can be sectionally disassembled, assembled and adjusted according to the wire size.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of automobile wire extrusion dies, belong to mould technical field. BACKGROUND

[0002] In order to obtain tight insulating surface and good stripping force, most of the current wire production site uses extrusion die for insulation extrusion.

[0003] Publication No. CN210061936U, refers to a kind of low smoke halogen-free material extrusion die of electric wire and cable, the device includes die body and the die orifice opened in die body, die body is located in the bottom center of the die orifice one side opening of inverted taper recess, die orifice is projected to form the projecting portion of bird's beak along the opening direction of recess opening, recess bottom is provided with stopper and is pressed against the projecting portion of die orifice, can effectively prevent low smoke halogen-free material from die orifice in the process of extrusion, but the die orifice size in the device is fixed, when producing different line diameter harness, the overall extrusion die needs to be replaced, it is more inconvenient, now there is an urgent need for a kind of automobile wire extrusion die to solve the above problems. UTILITARY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide an automobile wire extrusion die to solve the problems raised in the background art, and a combined splicing type die structure is designed, which can segmentally disassemble and adjust the die orifice size according to the size of the wire.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: an automobile wire extrusion die, comprising a first extrusion die and a second extrusion die, the first extrusion die is located at the left side of the second extrusion die, and a first tapered extrusion groove is formed in the first extrusion die, a first annular threaded groove is formed in the right end of the first extrusion die, a threaded connecting ring is fixed to the left end of the second extrusion die, the threaded connecting ring is screwed into the first annular threaded groove, a first annular threaded cylinder is screwed into the right end of the first tapered extrusion groove, a first flow guide cylinder is fixed in the first annular threaded cylinder, a first recess is formed in the right end of the first tapered extrusion groove, a first conical plate is fixed to the inner wall of the first recess by a plurality of first micro-bolts, a second tapered extrusion groove is formed in the second extrusion die, and the second tapered extrusion groove is in communication with the first tapered extrusion groove, a second annular threaded cylinder is screwed into the right end of the second tapered extrusion groove, a second flow guide cylinder is fixed to the inner wall of the second annular threaded cylinder, a second recess is formed in the right end of the second tapered extrusion groove, and a second conical plate is fixed to the inner wall of the second recess by a plurality of second micro-bolts.

[0006] Further, a first fan-shaped groove is formed in the left edge of the first tapered extrusion groove.

[0007] Further, the second extrusion die right end is provided with a second annular thread groove, and the second extrusion die annular side right end is provided with a plurality of inner hexagonal bolt grooves, and the plurality of inner hexagonal bolt grooves are connected with the second annular thread groove.

[0008] Further, the first extrusion die annular side right end is screwed with a plurality of inner hexagonal bolts, and the threaded ends of the plurality of inner hexagonal bolts are abutted with the threaded connection ring.

[0009] Further, the second tapered extrusion groove left end is provided with a second fan-shaped groove, and the second fan-shaped groove is attached with the first recess.

[0010] Further, the first conical piece left end is tightly abutted with the first annular threaded cylinder, and the second conical piece left end is tightly abutbed with the second annular threaded cylinder.

[0011] The automobile wire extrusion die has the advantages that: the automobile wire extrusion die is added with the first extrusion die, the first annular threaded cylinder, the first flow guide cylinder, the first conical piece, the first micro bolt, the threaded connection ring, the inner hexagonal bolt, the second extrusion die, the second annular threaded cylinder, the second flow guide cylinder, the second conical piece and the second micro bolt, the design improvement and the actual use show that the device has the advantages of reasonable structure, good practicability, design of a combined splicing type mold structure, size segmentation disassembly adjustment of the die opening according to the wire size, threaded cylinder and groove at the extrusion opening, formation of the bird beak shaped protrusion in the above-mentioned comparison document, and reduction of the accumulation of low smoke halogen-free materials at the die opening. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0013] Figure 1 It is a whole structure perspective view of the automobile wire extrusion die of the present application;

[0014] Figure 2 It is a cross-sectional view of the automobile wire extrusion die of the present application;

[0015] Figure 3 It is a first annular threaded cylinder half-section view of the automobile wire extrusion die of the present application;

[0016] Figure 4 It is a second annular threaded cylinder half-section view of the automobile wire extrusion die of the present application.

[0017] In the figure: 1 - first extrusion die, 2 - first fan-shaped groove, 3 - first tapered extrusion groove, 4 - first annular threaded groove, 5 - first annular threaded cylinder, 6 - first flow guide cylinder, 7 - first groove, 8 - first conical piece, 9 - first micro bolt, 10 - threaded connection ring, 11 - inner hexagonal bolt, 12 - second extrusion die, 13 - second fan-shaped groove, 14 - second tapered extrusion groove, 15 - inner hexagonal bolt groove, 16 - second annular threaded groove, 17 - second annular threaded cylinder, 18 - second flow guide cylinder, 19 - second groove, 20 - second conical piece, 21 - second micro bolt. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0019] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of automobile wire extrusion die, including first extrusion die 1 and second extrusion die 12, first extrusion die 1 is at the left side of second extrusion die 12, and first extrusion die 1 is internally provided with first tapered extrusion groove 3, first extrusion die 1 right end is provided with first annular threaded groove 4, second extrusion die 12 left end is fixed with threaded connection ring 10, threaded connection ring 10 is screwed in first annular threaded groove 4 by thread, first tapered extrusion groove 3 inside right end is screwed with first annular threaded cylinder 5 by thread, first annular threaded cylinder 5 is internally fixed with first flow guide cylinder 6, first tapered extrusion groove 3 right end is provided with first groove 7, first groove 7 inner wall is fixed with first conical piece 8 by a plurality of first micro bolt 9, second extrusion die 12 is internally provided with second tapered extrusion groove 14, and second tapered extrusion groove 14 is communicated with first tapered extrusion groove 3, second tapered extrusion groove 14 inside right end is screwed with second annular threaded cylinder 17 by thread, second annular threaded cylinder 17 inner wall is fixed with second flow guide cylinder 18, second tapered extrusion groove 14 right end is provided with second groove 19, second groove 19 inner wall is fixed with second conical piece 20 by a plurality of second micro bolt 21, this design solves the problem that the die size is fixed in original device, when producing different wire harness of line diameter, need to replace extrusion die as a whole, it is more inconvenient.

[0020] As the first embodiment of the utility model: first tapered extrusion groove 3 left end edge is equipped with first fan-shaped groove 2, second extrusion die 12 right end is equipped with second annular thread groove 16, second extrusive die 12 annular side right end is equipped with multiple inner hexagonal bolt grooves 15, multiple inner hexagonal bolt grooves 15 all are connected with second annular thread groove 16, through the addition of multiple inner hexagonal bolt grooves 15 all are connected with second annular thread groove 16, when the remaining extrusion die of outside is connected with second extrusion die 12, adopt the fixing of outside thread connection ring 10 and the inner hexagonal bolt 11 of outside.

[0021] First extrusion die 1 annular side right end is screwed with multiple inner hexagonal bolts 11, and the threaded end of multiple inner hexagonal bolts 11 is in abutment with the thread connection ring 10, and the threaded end of multiple inner hexagonal bolts 11 is in abutment with the thread connection ring 10, which can prevent the thread connection ring 10 from loosening in the first annular thread groove 4, thereby ensuring the firmness of the connection between the first extrusion die 1 and the second extrusion die 12. The second tapered extrusion groove 14 left end is equipped with the second fan-shaped groove 13, and the second fan-shaped groove 13 is attached to the first recess 7, the left end of the first conical sheet 8 is tightly abutted with the first annular thread cylinder 5, and the left end of the second conical sheet 20 is tightly abutbed with the second annular thread cylinder 17, and the left end of the first conical sheet 8 is tightly abutbed with the first annular thread cylinder 5, which can prevent the first annular thread cylinder 5 from loosening at the right end inside the first tapered extrusion groove 3, and the left end of the second conical sheet 20 is tightly abutbed with the second annular thread cylinder 17, which can prevent the second annular thread cylinder 17 from loosening at the right end inside the second tapered extrusion groove 14.

[0022] As a second embodiment of the utility model: in actual use, the appropriate inner diameter of the extrusion die is spliced, and the utility model is taken as an example, when the splicing is used, the first extrusion die 1 is placed on the left side of the second extrusion die 12, then the threaded connecting ring 10 is aligned with the first annular threaded groove 4 and is screwed in, until the threaded connecting ring 10 is completely screwed into the first annular threaded groove 4, the outside hexagonal wrench is used to screw the plurality of hexagonal bolts 11 into the first annular threaded groove 4, so that the threaded end of the plurality of hexagonal bolts 11 is in abutment with the threaded connecting ring 10, which can prevent the threaded connecting ring 10 from loosening in the first annular threaded groove 4, thereby ensuring the connection firmness between the first extrusion die 1 and the second extrusion die 12, then the second annular threaded cylinder 17 is screwed in the right end inside the second conical extrusion groove 14, then the second conical sheet 20 is attached to the inner wall of the second groove 19, then the outside wrench is used to screw the plurality of second micro bolts 21 into the connecting part of the second conical sheet 20 and the second groove 19, until the left end of the second conical sheet 20 is in abutment with the second annular threaded cylinder 17, which can prevent the second annular threaded cylinder 17 from loosening in the right end inside the second conical extrusion groove 14, and the second annular threaded cylinder 17 and the right end of the second groove 19 can form the beak-shaped protrusion in the above-mentioned comparative document, so that the accumulation of low-smoke halogen-free material at the die port can be reduced according to the above-mentioned comparative document.

[0023] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0024] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An automotive wire extrusion die comprising a first extrusion die (1) and a second extrusion die (12), characterized in that: The first extrusion die (1) is located at the left side of the second extrusion die (12), and a first tapered extrusion groove (3) is arranged in the first extrusion die (1), a first annular threaded groove (4) is arranged at the right end of the first extrusion die (1), a threaded connecting ring (10) is fixed at the left end of the second extrusion die (12), and the threaded connecting ring (10) is screwed in the first annular threaded groove (4); The first annular threaded cylinder (5) is screwed at the right end in the first tapered extrusion groove (3), the first annular threaded cylinder (5) is fixed with a first flow guide cylinder (6) inside, the first tapered extrusion groove (3) is provided with a first groove (7) at the right end, the first groove (7) is fixed with a first conical plate (8) on the inner wall through a plurality of first micro bolts (9), the second extrusion die (12) is provided with a second tapered extrusion groove (14), and the second tapered extrusion groove (14) is communicated with the first tapered extrusion groove (3), the second annular threaded cylinder (17) is screwed at the right end in the second tapered extrusion groove (14), the second annular threaded cylinder (17) is fixed with a second flow guide cylinder (18) on the inner wall, and the second tapered extrusion groove (14) is provided with a second groove (19) at the right end, and the second groove (19) is fixed with a second conical plate (20) on the inner wall through a plurality of second micro bolts (21).

2. The extrusion die for automotive wire of claim 1, wherein: The first tapered extrusion groove (3) is provided with a first fan-shaped groove (2) at the left end edge.

3. The extrusion die for automotive wire of claim 1, wherein: The second extrusion die (12) is provided with a second annular threaded groove (16) at the right end, and a plurality of inner hexagonal bolt grooves (15) are arranged at the right end of the annular side of the second extrusion die (12), and the plurality of inner hexagonal bolt grooves (15) are connected with the second annular threaded groove (16).

4. The automotive wire extrusion die of claim 1, wherein: The first extrusion die (1) is provided with a plurality of inner hexagonal bolts (11) at the right end of the annular side, and the threaded ends of the plurality of inner hexagonal bolts (11) are abutted with the threaded connecting ring (10).

5. The automotive wire extrusion die of claim 1, wherein: The second tapered extrusion groove (14) is provided with a second fan-shaped groove (13) at the left end, and the second fan-shaped groove (13) is attached to the first groove (7).

6. The automotive wire extrusion die of claim 1, wherein: The left end of the first conical plate (8) is tightly abutted with the first annular threaded cylinder (5), and the left end of the second conical plate (20) is tightly abutted with the second annular threaded cylinder (17).

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