CN215703938U

CN215703938U - Extrusion die for flat conductor

Info

Publication number: CN215703938U
Application number: CN202122315513.XU
Authority: CN
Inventors: 潘磊
Original assignee: Hunan Valin Wire and Cable Co Ltd
Current assignee: Hunan Valin Wire and Cable Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-01
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses an extrusion die for a flat wire, which comprises an upper die plate and a lower die plate, wherein an extrusion channel is formed between the upper die plate and the lower die plate, the distance between the upper die plate and the lower die plate is gradually reduced from left to right, so that the caliber of the extrusion channel is gradually reduced from left to right, and an extrusion material can enter the extrusion channel from the left side and can be extruded from the right side of the extrusion channel to form the flat wire. The extrusion die for the flat lead wire is redesigned, and the lead wire extruded and formed by the die is flat, so that the lead wire can be filled.

Description

Extrusion die for flat conductor

Technical Field

The utility model relates to the field of wire preparation, in particular to an extrusion die for a flat wire.

Background

The general cable is round, the designed extrusion die is also round, and in some special cases, when special-shaped wires are needed, the cable can be damaged when the general round cable is filled.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide an extrusion die for flat wires, which aims to solve the above technical problems.

In order to achieve the above purpose, the extrusion die for the flat wire provided by the utility model comprises an upper die plate and a lower die plate, an extrusion channel is formed between the upper die plate and the lower die plate, the distance between the upper die plate and the lower die plate is gradually reduced from left to right, so that the caliber of the extrusion channel is gradually reduced from left to right, and an extrusion material can enter the extrusion channel from the left side and can be extruded from the right side of the extrusion channel to form the flat wire.

In one embodiment, the left side of the extrusion channel is an extrusion inlet, the right side of the extrusion channel is an extrusion outlet, and the extrusion outlet is rectangular.

In one embodiment, the extrusion opening is rectangular.

In one embodiment, the upper template and the lower template are both semicircular.

In one embodiment, the roughness of the inner wall surfaces of the upper template and the lower template is 0.8 μm.

In one embodiment, the roughness of the inner wall surfaces of the upper template and the lower template is 1.6 μm.

In the technical scheme of the utility model, the extrusion die for the flat wire comprises an upper die plate and a lower die plate, an extrusion channel is formed between the upper die plate and the lower die plate, the distance between the upper die plate and the lower die plate is gradually reduced from left to right, so that the caliber of the extrusion channel is gradually reduced from left to right, and an extrusion material can enter the extrusion channel from the left side and can be extruded from the right side of the extrusion channel to form the flat wire.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an extrusion die for a flat wire according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an extrusion die for flat wire according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a material pushing device according to an embodiment of the present invention.

The reference numbers illustrate: 10. mounting a template; 20. a lower template; 30. an extrusion port; 40. a material pushing device; 41. Mounting a plate; 42. a first slide rail; 43. a first driving member; 44. a sliding plate; 45. a second slide rail; 46. A second driving member; 47. a slider; 48. a material pushing plate; 50. the channel is extruded.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides an extrusion die for a flat wire.

As shown in fig. 1, the extrusion die for a flat wire according to an embodiment of the present invention includes an upper die plate 10 and a lower die plate 20, an extrusion channel 50 is formed between the upper die plate 10 and the lower die plate 20, a distance between the upper die plate 10 and the lower die plate 20 is gradually decreased from left to right, so that an aperture of the extrusion channel 50 is gradually decreased from left to right, and an extrusion material can enter the extrusion channel 50 from left and can be extruded from right of the extrusion channel 50 to form a flat wire.

In this embodiment, the extrusion die for the flat wire includes an upper die plate 10 and a lower die plate 20, an extrusion channel 50 is formed between the upper die plate 10 and the lower die plate 20, and a distance between the upper die plate 10 and the lower die plate 20 is gradually reduced from left to right, so that an aperture of the extrusion channel 50 is gradually reduced from left to right, and an extrusion material can enter the extrusion channel 50 from left and can be extruded from right of the extrusion channel 50 to form the flat wire.

Referring to fig. 2, the left side of the extrusion channel 50 is an extrusion inlet, the right side of the extrusion channel 50 is an extrusion outlet 30, the extrusion outlet 30 is rectangular, and further the extrusion outlet 30 is rectangular. By providing the extrusion opening 30 with a rectangular shape, the shape of the wire during extrusion can be limited to a rectangular shape during extrusion, so that in other embodiments, the shape of the extrusion opening 30 can be changed according to the shape of the wire, such as a triangle or other shapes.

The wire comprises a conductor and an insulating layer, the conductor is a single annealed copper conductor, and the annealed conductor is good in flexibility. During extrusion, the conductor passes through the extrusion port 30, so that insulation can be reasonably extruded on the conductor, the extruded material adopts high-density polyethylene, and the surface is smooth after extrusion and is easy to penetrate through the inner wall.

The softening temperature of the polyethylene insulating material is about 100 ℃, when the polyethylene insulating material is used, the lead penetrates through the pipe wall, then the lead is electrified, the conductor generates heat after being electrified, the polyethylene is softened and expanded after being heated, the expanded polyethylene can be used as a good supporting piece in the pipe wall, and when the polyethylene is melted, gaps of the pipe wall can be completely filled, so that the effects of seaming and supporting are achieved.

The upper template 10 and the lower template 20 are both semicircular, the roughness of the inner wall surfaces of the upper template 10 and the lower template 20 is 0.8 μm, and the roughness of the inner wall surfaces of the upper template 10 and the lower template 20 is 1.6 μm. Therefore, the flow speed of the extruded material can be increased, and the extrusion efficiency can be improved.

In an embodiment, referring to fig. 3, the extrusion die further includes a material pushing device 40, and the material pushing device 40 is disposed at one side of the extrusion inlet to extrude the extrusion material into the extrusion channel 50.

The material pushing device 40 includes a mounting plate 41, a first slide rail 42 disposed on the mounting plate 41, a first driving member 43 to slidably mount a sliding plate 44 on the first slide rail 42, a second slide rail 45 and a second driving member 46 mounted on the sliding plate 44, the second slide rail 45 is provided with a sliding block 47, the sliding block 47 is provided with a material pushing plate 48, the first driving member 43 is used to drive the sliding plate 44 to slide up and down on the first slide rail 42, the second driving member 46 is used to drive the sliding block 47 to slide left and right, so that the sliding block 47 can slide up and down and left and right, and the material pushing plate 48 is driven to push the extrusion material into the extrusion channel 50, thereby further improving the extrusion molding efficiency. The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an extrusion tooling for flat wire, its characterized in that, extrusion tooling for flat wire includes cope match-plate pattern and lower bolster, the cope match-plate pattern with form the extrusion passageway between the lower bolster, the cope match-plate pattern with interval between the lower bolster reduces from a left side to the right side gradually, so that the bore of extrusion passageway reduces from a left side to the right side gradually, and extruding material can get into from the left side the extrusion passageway can extrude and form flat wire from the extrusion passageway right side.

2. The extrusion die for a flat wire as claimed in claim 1, wherein the left side of the extrusion channel is an extrusion inlet, and the right side of the extrusion channel is an extrusion outlet, and the extrusion outlet is rectangular.

3. The extrusion die for a flat wire as claimed in claim 2, wherein the extrusion opening has a rectangular shape.

4. The extrusion die for a flat wire as claimed in claim 2, wherein the upper die plate and the lower die plate are each semicircular.

5. The extrusion die for a flat wire as claimed in claim 4, wherein the roughness of the inner wall surfaces of the upper and lower templates is 0.8 μm.

6. The extrusion die for a flat wire as claimed in claim 5, wherein the roughness of the inner wall surfaces of the upper and lower templates is 1.6 μm.