CN213070736U - Moulding and embedment frock of cable - Google Patents

Abstract

The utility model discloses a moulding and embedment frock of cable. The utility model provides a cable moulding and filling and sealing frock includes basic mould, fixed block and clamp plate, be equipped with the shaping chamber that can hold many cables on the basic mould, the both ends of the length extending direction of shaping chamber and the upper end of shaping chamber are the link up structure; the fixed block is positioned on the outer side of the through end extending in length of the molding cavity; the fixing block is provided with a plurality of through holes for fixing cables with different diameters; the pressing plate cover is arranged at the upper end of the forming cavity and closes the upper end of the forming cavity; and a pouring sealant is arranged among the plurality of cables in the forming cavity. Compared with the prior art, the beneficial effects of the utility model are that the wire is alternately, twists, combine inseparable, moulding effect scheduling problem not good when effectively having solved the shaping of stranded pencil.

Description

Moulding and embedment frock of cable

Technical Field

The utility model relates to a flat cable processing technology field especially relates to a moulding and embedment frock of cable.

Background

With the development of information technology, flat cables are increasingly widely used in the fields of military use, aerospace, communication and the like. According to the application occasion and the use requirement, the characteristics of light weight, softness, aging resistance, high and low temperature resistance, moisture resistance, salt mist resistance and the like are considered, and weaving and shaping are carried out according to the space size requirement. Generally, after the flat cable is molded, the leads are not stacked, the leads are tightly combined, the leads do not move, and meanwhile, the flexibility of the flat cable is considered, so that the flat cable is convenient to store, transport and use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a moulding and embedment frock of cable realizes above-mentioned technical requirement.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the method comprises the following steps:

the device comprises a base die, a plurality of guide rails and a plurality of guide rails, wherein the base die is provided with a forming cavity capable of accommodating a plurality of cables, and both ends of the forming cavity in the length extending direction and the upper end of the forming cavity are of through structures;

at least one fixed block, locate at the outside of the through end that the length of said shaping cavity extends; the fixing block is provided with a plurality of through holes for fixing cables with different diameters; and

the pressing plate is covered at the upper end of the forming cavity and closes the upper end of the forming cavity;

and pouring sealant is arranged among the cables in the molding cavity.

In the scheme, a plurality of cables with different diameters are placed in the forming cavity, and the forming cavity is used for fixing the shape by pouring sealant, so that the tight combination and no movement of the wires are ensured; and the cable is fixed at the outer end of the cable through a fixing block, so that the conductor bundle is ensured to be straight and have no cross.

Preferably, the cross section of the forming cavity is a U-shaped structure, and the bottom edge of the U-shaped structure is longer than height edges connected to two ends of the bottom edge.

Preferably, a release agent layer is arranged on the pressing plate and is attached to the base mold.

Preferably, the die further comprises a plurality of pressing blocks, and the pressing blocks are arranged at intervals at the top end of the pressing plate far away from the base die.

Preferably, the fixed block comprises a first edge and a second edge, the second edge is vertically bent along the first edge, the first edge is horizontally placed on the outer side of the base die, and the second edge and the forming cavity of the base die are arranged in a face-to-face mode; the through hole is arranged on the second edge.

Preferably, the inner wall of the molding cavity is provided with a release agent layer, and the pouring sealant is located inside the release agent layer.

Preferably, a polyimide film is arranged between the release agent layer on the inner wall of the molding cavity and the pouring sealant.

Compared with the prior art, the beneficial effects of the utility model are that: the forming cavity is designed to be of a flat structure, filling and sealing are carried out to fix the shape, operation is convenient, working efficiency is improved, the problems that wires are crossed and twisted, combination is not tight, a shaping effect is poor and the like during forming of multi-strand wire harnesses are effectively solved, and economic benefits are improved while product quality is guaranteed. The method can be popularized in the field of manufacturing of non-flat cable products besides various flat cable products.

Drawings

Fig. 1 is a schematic structural view of the shaping and potting tool provided by the present invention;

FIG. 2 is a schematic side view of the fixing block of FIG. 1 with the fixing block removed;

fig. 3 is a side view of the fixing block of fig. 1.

In the figure, 1-base mold, 11-molding cavity, 111-bottom edge, 112-height edge, 2-fixed block, 21-first edge, 22-second edge, 23-through hole, 3-pressing plate, 4-pouring sealant, 5-release agent layer, 6-pressing block, 7-polyimide film and 8-cable.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1, the cable shaping and potting tool provided in this embodiment includes a base mold 1, a fixing block 2, a pressing plate 3, a potting adhesive 4, a release agent layer 5, a pressing block 6, and a polyimide film 7.

As shown in fig. 2, a forming cavity 11 capable of accommodating a plurality of cables 8 with different model diameters is arranged on the base die 1, both ends of the forming cavity 11 in the length extension direction and the upper end of the forming cavity 11 are through structures, so that the cross section of the forming cavity 11 is a U-shaped structure, the bottom side 111 of the U-shaped structure is longer than the height sides 112 connected to both ends of the bottom side 111, and the structure is made of flat cable products. In other embodiments, the forming cavity 11 can be designed to have a desired shape (not flat) and can be applied to the manufacture of cable products with other shapes.

The inner wall of the molding cavity 11 is provided with a release agent layer 5. And a pouring sealant 4 is arranged among the plurality of cables 8 in the molding cavity 11 and is used for solidifying the cables 8. The pouring sealant 4 is positioned inside the release agent layer 5. And a polyimide film 7 is arranged between the release agent layer 5 on the inner wall of the molding cavity 11 and the pouring sealant 4. The polyimide film 7 is cast from a polyamic acid solution, stretched, and imidized at a high temperature. The film is yellow and transparent, has the relative density of 1.39-1.45, has outstanding high temperature resistance, radiation resistance, chemical corrosion resistance and electrical insulation performance, and can be used in air at 250-280 ℃ for a long time. The material is particularly suitable for being used as a base material of a flexible printed circuit board and insulating materials of various high-temperature resistant motors and electrical appliances.

And a release agent layer 5 is arranged on one side of the pressing plate 3, and the release agent layer 5 is formed by coating a release agent purchased from the market, so that the demolding is facilitated.

And one side of the pressing plate 3 with the release agent layer 5 is covered on the base mold 1 and is attached to the base mold 1, so that the upper end of the molding cavity 11 is closed.

The pressing blocks 7 are arranged at intervals at the top end of the pressing plate 3 far away from the base die 1.

As shown in fig. 1, the number of the fixing blocks 2 is two in this embodiment, and the fixing blocks are respectively located outside the through end extending along the length of the molding cavity of the base mold 1. As shown in fig. 1 and 3, the fixing block 2 includes a first edge 21 and a second edge 22, and the second edge 22 is perpendicularly bent along the first edge 21. The first edge 21 is horizontally placed on the outer side of the base mold 1, and the second edge 22 is arranged to face the molding cavity of the base mold 1.

As shown in fig. 3, the second edge 22 is provided with through holes 23 for fixing different diameters of the cable 8. As shown in fig. 2 and 3, the through holes 23 on the fixing block 2 are arranged in an area matching the orthographic projection area of the cross section of the molding cavity 11.

The flat cable provided by the embodiment comprises the following manufacturing steps:

s1, manufacturing each part according to the tool design drawing;

s2, coating a layer of release agent on the inner wall of the forming cavity 11 of the base die 1; sticking a layer of polyimide film on the release agent, wherein two ends of the polyimide film extend to the outer side of the base mold; coating a layer of 1-2 mm glue solution on the upper end of the polyimide film positioned on the bottom edge and curing;

s3, fixing two ends of the cable through fixing blocks: cables of different types are inserted into the through holes with corresponding diameters;

s4, placing the cable row fixed in the step S3 in a forming cavity, and placing the cable row smoothly, wherein the cable row is not higher than the die surface of the base die;

s5, filling the glue solution into the molding cavity until the glue solution is completely melted into the wire harness and covers the surface of the wire harness, wherein the glue surface is required to be not higher than the upper end surface of the molding cavity;

s6, attaching the side of the press plate provided with the release agent layer to the base mold;

s7, pressing the blank on the pressing plate by using a plurality of pressing blocks to be gelled and solidified for forming;

and S8, removing the pressing block and the pressing plate, and taking out the flat cable bundle molded by glue pouring.

In another embodiment, the number of the base molds is multiple, the base molds are sequentially arranged, and the fixing blocks are arranged on the outer side of the base mold on the outermost side. And after the polyimide films exceeding the two ends of the base mold are sequentially lapped and laid flat, the cables and the glue are placed, and the pressing plate and the pressing block are covered.

The above-mentioned embodiments are illustrative and should not be construed as limiting the scope of the invention, which is defined by the appended claims, and all modifications of the equivalent forms of the present invention which are obvious to those skilled in the art after reading the present invention.

Claims (7)

1. The utility model provides a moulding and embedment frock of cable which characterized in that includes:

the base die is provided with a forming cavity capable of accommodating a plurality of cables, and both ends of the forming cavity in the length extending direction and the upper end of the forming cavity are of through structures;

at least one fixed block, locate at the outside of the through end that the length of said shaping cavity extends; the fixing block is provided with a plurality of through holes for fixing cables with different diameters; and

the pressing plate is covered at the upper end of the forming cavity and closes the upper end of the forming cavity;

and a pouring sealant is arranged among the plurality of cables in the forming cavity.

2. The cable shaping and potting tool of claim 1, wherein the cross section of the shaping cavity is a U-shaped structure, and a bottom side of the U-shaped structure is longer than height sides connected to two ends of the bottom side.

3. The cable shaping and potting tool of claim 1 or 2, wherein a release agent layer is provided on the platen, the release agent layer being attached to the base mold.

4. The cable shaping and potting tool of claim 1 or 2, further comprising a plurality of press blocks, wherein the plurality of press blocks are spaced apart from a top end of the press plate away from the base die.

5. The cable shaping and potting tool of claim 1 or 2, wherein the fixing block comprises a first edge and a second edge, the second edge is vertically bent along the first edge, the first edge is horizontally placed on the outer side of the base die, and the second edge is arranged opposite to the molding cavity of the base die; the through hole is arranged on the second edge.

6. The cable shaping and potting tool of claim 1 or 2, wherein a release agent layer is disposed on an inner wall of the shaping cavity, and the potting adhesive is located inside the release agent layer.

7. The cable shaping and potting tool of claim 6, wherein a layer of polyimide film is disposed between the release agent layer and the potting adhesive on the inner wall of the shaping cavity.

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