JPH04141914A - Manufacture of shielded tape-like electric cable - Google Patents

Abstract

PURPOSE:To manufacture a shield-attached tape-like electric cable automatically by peeling an insulating tape in the longitudinal direction which is on the upper surface of a tape-like continuous body with the width almost the same as one conductive wire. CONSTITUTION:A reinforcing tape 16 is heat-melted and attached to the lower side of a first rectangular window 9 of an insulating tape 14 and insulating tapes 14, 23 are heat-fused and attached to both sides of foil conductors 10A-10D using heated rolls 5, 6 to form a tape-like continuous body 24. Next, the insulating tape 23 is peeled off along the longitudinal direction by a foil conductor separating means 21 with its width the same as the foil conductor 10 and second rectangular windows 19, 19 are formed in the shielding tapes 29, 29. Then, the shielding tapes 29, 29 are heat-melted on and stuck to both sides of the tape-like continuous body 24 using heated rolls 15, 16 to form the shield-attached tape-like electric cable continuous body 34 and after that, both sides of a window 19 are cut and removed by an edge cutter 40 and the windows 19 are successively cut at almost their centers by a cutting cutter 50. In this way, a shield-attached tape-like electric cable 1 is automatically manufactured.

Description

Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a tape-like product in which a plurality of conductive wires are arranged in parallel in the longitudinal direction between two insulating tapes (plastic tapes) and are fused and integrated. The present invention relates to a method for manufacturing a shielded tape-shaped electric wire in which a shielding layer is provided on the electric wire.

[Conventional technology] In recent years, with the development of electronic devices, electronic devices have become multifunctional.
Moreover, they tend to become smaller. Therefore, high-density mounting inside electronic devices is required, and it is no longer possible to wire using conventional connector plugs that take up space for wiring between each board, and multiple conductors are placed parallel to each other in the length direction between two pieces of insulating tape. Thin and flexible tape wires, which are arranged and integrated into wires and have conductor exposed portions at their terminal portions, have come to be widely used.

The inventors of the present application have previously filed an application for a shielded tape electric wire with an electromagnetic shielding layer (shield layer) that takes measures against electromagnetic interference (EMI), which has become a problem in recent years.
- issue). This tape electric cotton 1 with lead is:
As shown in Figure 2, four flat conducting wires (
(hereinafter referred to as "rs line") IOA, IOB, ・, 10
so that the conductive wire 10D is exposed along the longitudinal direction on the top surface of D.

The other insulation layer 23 is pasted, and the conductive wires 10A, 10B,
-, one insulating layer 14 is pasted on one side of the IOD to integrate them, and the outside is covered with a shield layer 2 as shown in the figure.
0.20, and reinforcing tapes 16 and 16 are adhered to the lower surfaces of the terminal parts of the conductors 10A, 10B, -, and IOD, respectively. It consists of a composite tape with a conductor and an insulator bonded together, with the conductor inside. It is pasted. This exposes the kgl line 1
By connecting 0 to ground, the seal l-layer 20 can be connected to ground and the electromagnetic shielding can be strengthened.

Here, a method of manufacturing the rolled wire tape electric wire 1 constructed as described above will be explained based on FIGS. 3 and 4(a) to (e).

First, four conductor wires 10 arranged in y rows in the longitudinal direction.
A, IOB, ..., IOD conductor 10D J- with the same width and length, overlap 2 W &
In the structure (2, each of these conductors 10A, 10B, -10D,
110 on both sides of the insulating layer 14 as shown in FIG. 3(a)i.
．． 23 are joined 17, and a reinforcing tape 16 is attached to the lower surface of the exposed portion of each conductive wire 10Δ10B, -1, 0D, thereby forming a tape electric wire 24 substantially similar to the conventional example 7.

Next, the ends of the two-layered conductive wires 10D and 11 are separated from the conductive wire 100, as shown in FIG. 3(l). Part 1.
Then, by separating the conducting wire 11 from the conducting wire 10D in a continuous manner as shown in FIG. 3(c) along the longitudinal direction,
[Conductor wire] The other insulating layer 23 covering the conductor wire 1 is continuously cut along the longitudinal direction with the width of the conductor wire 11, and the conductor wire 10DtJi is cut.
Then, on top of the insulation 11i23.14, a composite tape made of a conductive material and an insulating material such as aluminum mylar tape is bonded at 17 with the conductive material inside.

Since the present embodiment is configured as described above, the input 110A and IOB are similar to the conventional example described above.

The # wire 10D can be easily exposed without damaging the 10D with a cutter blade, and the production of one culm can be simplified.

Note that the conductive wire 11 is not limited to a conductor, and may be an insulator or plastic. Also, shield! l120 is
If it is electrically connected to the conducting wire 10D, it may be provided only on the upper surface of the insulating layer 23.

F invention solves the problem 1. [Problems with attempting to use] However, the rolled electric wire 1, which is not shown in Figure 2 of the Toki, has the insulation layer of the tape-like wire 1 peeled off in the longitudinal direction 11i by some flat work.
After that, the shield layer 20 is attached, so the production efficiency is t.
There was an inconvenience.

SUMMARY OF THE INVENTION The present invention aims to improve the disadvantages of the above-mentioned conventional example and to provide a method for manufacturing a rolled tape electric wire that can automatically produce a rolled tape electric wire. purpose.

Means for Solving Problem E] Therefore, in the present invention, - a step of drilling furnace-shaped first windows at predetermined intervals along the longitudinal direction in the insulating tape on the L side and the lower side; A reinforcing tape bonding step of bonding a reinforcing tape covering the window to the lower surface of the window of the insulating tape on the front lower surface, and a reinforcing tape bonding step between each of the insulating tapes.
a conductor guiding step in which a conductor section having a configuration in which two conductors are overlapped and a conductor section each consisting of one conductor are arranged in parallel and guided between the respective insulating tapes; a heat fusing step of forming a tape-shaped electric wire continuum by heating and fusing the insulating tape on both sides of each of the conductors; , an insulation peeling step in which one of the overlapping conductive wires is grasped and continuously separated, and the insulating tape on the upper surface of the tape-like continuous body is peeled off in the longitudinal direction with approximately the same width as one conductive wire; A step of drilling second windows having a rectangular shape larger than the first window at predetermined intervals, and guiding a continuous tape-shaped electric wire between the shielding tapes and a pair of heating rolls arranged facing each other with their axes parallel to each other. The present invention is intended to achieve the above object by including the steps of: forming a shielded tape-shaped electric wire continuum that is heated and fused so that the second window does not cover the first window; .

[Example] Hereinafter, a case where the manufacturing method according to the present invention is applied to the tape-shaped electric wire manufacturing apparatus shown in FIG. 1 will be described. Here, the same reference numerals are given to the same constituent members as in the above conventional example.

In Fig. 1, 8.8 is the insulating tape 14 on the top and bottom surfaces.
．． 23 is a first window opening press for boring rectangular first windows 9.9 at predetermined intervals along the longitudinal direction; 26 is a reinforcing tape 16 on the lower surface of the first window of the insulating tape 14; This reinforcing tape 16 is heat-fused to the lower surface of the insulating tape 14 by a breath heater 18. Further, 7 indicates a guide pitch roll that has a function of guiding four foil conductors 10A to IOD arranged in parallel in the longitudinal direction between the insulating tapes 14 and 23 at a constant interval, and 5 and 6 have axes parallel to each other. Insulating tapes 14 and 23 led from the outside of the heating rolls 5 and 6 are shown as heating rolls 5 and 6 disposed opposite each other.
Tape-shaped electric wire continuum 24 is bonded to both sides of 0A to 10D.
It has the function of forming. In this case, the conductor 10D is composed of two separable foil conductors 10D1 and 10D.

Reference numeral 21 denotes a foil-like conductor separating means that grasps the foil-like conductor 10D2 at the first window 9 portion of the tape-like electric wire 24 and separates it from the foil-like conductor 10D1. The conductor is peeled off continuously in the longitudinal direction with a width of 1°D2.

29.29 indicates a shielding tape in which a plastic layer and a conductive layer are laminated, and specifically, it is a composite tape made by laminating a conductor and an insulator such as aluminum Mylate, and the tape-shaped electric wire 24 is placed with the conductor on the inside. It is designed to be joined on both sides.

In addition, 13.13 is a rectangular second window 1c+ at a predetermined interval along the longitudinal direction of these shielding tapes 29, 29,
The second aperture, drilling x9, shows the press.

Reference numerals 15 and 16 indicate a pair of heating rolls which are arranged opposite to each other with their axes parallel to each other, and as shown in the figure, shielding tapes 29 and 29 guided from the outside are heat-sealed to both sides of the tape-shaped electric wire 24 to form a shielded tape electric wire. It has the function of forming a continuous body (shielded tape electric wire continuum) 34. 3o indicates a turning roll, and 40 indicates the shielded tape electric wire continuum 3.
4 indicates a selvage cutter that continuously cuts both sides of the window 19 in the longitudinal direction, and 50 indicates a cutter that cuts approximately the center of the window 19 of the shielded tape electric wire continuum 34 in a direction perpendicular to the longitudinal direction. 1 and 2 show cutters for sequentially forming rolled tape electric wires 1.

Next, a procedure for manufacturing the rolled tape electric wire 1 using the manufacturing apparatus configured as described above will be explained.

First of all, 1) A rectangular first window 9.9 is formed on the insulating tape 14.23 using a first window opening press 8.8.

■A reinforcing chip 116 having a larger area than the window 9 is placed on the lower surface of the window 9 of the insulating tape 14 as described above for the press heater 1.
8. Heat and fuse.

■Next, as mentioned above, insulating tape 14.23 is applied to both sides of the four foil conductors 10A to IOD using heating rolls 5 and 6.
are heated and fused to form a tape-shaped electric wire continuum 24.

(2) Subsequently, by the action of the foil conductor separating means 21, the insulating tape 23 of the tape-shaped electric wire continuum 24 is separated by 1t'? Strip the width of the foil conductor 10D along the direction, and peel the foil conductor 10D along the width.
2 is exposed along the longitudinal direction of the tape-shaped electric wire continuous body 24.

(2) A rectangular second window 1919 is provided in the shielding tape 29.29 using a brace 13.13.

(2) Apply shielding tape 29.29 to both sides of the tape-shaped electric wire continuum 24 using heating rolls 15.16 as described in 7 above.
are heated and fused to form a shielded tape electric wire continuum 34.

(2) Next, both sides of the window 19 of the shielded tape wire assembly 34 are cut off using the edge cutter 40.

(2) The shielded tape electric wire 1 is manufactured by sequentially cutting one window of the shielded tab electric wire continuum 34 approximately in the center thereof using the cutting cutter 50 as described above.

[Effect of the Invention J] Since the present invention can employ the following manufacturing method, according to this TL, a shielded tape electric wire can be automatically manufactured.

[Brief explanation of the drawing]

Fig. 1 is a configuration diagram showing an embodiment of a W manufacturing device for a shielded tape electric wire employing the manufacturing method according to the present invention, Fig. 2 is a perspective view of a tape electric wire with a 7-thread, and Fig. 3 Figure 4 is a perspective view of the tape electric wire that is the basis of the shielded tape electric wire.
a)-(e) are explanatory diagrams of the manufacturing process of a conventional tape girdle line with a 7-lead. 1 ・ 5, 6 15.16 7 ・ ・ 8, 13 ・ ・ 9 ・・ ・ 16 ・ ・ ・ 29- ・ 24- ・ ・ Shielded tape Electric wire heating roll guide Pitch roll Window U breath insulating tape No. 1 Window 2nd Window Reinforcement Tape Shielding Tape Tape-shaped Electric Wire Continuous Thick Tortoise Wire Conductor / ■ Happy Drawing! j.

Claims (1)

[Claims] A step of drilling rectangular first windows at predetermined intervals along the longitudinal direction of the insulating tape on the upper and lower surfaces, and forming the windows on the lower surface of the windows of the insulating tape on the lower surface. A reinforcing tape bonding step of bonding the covering reinforcing tape, and a conductor portion having a structure in which two conductors are overlapped and a conductor portion each having one conductor are arranged in parallel between each of the insulating tapes. a step of guiding the conductor between the respective insulating tapes; and a step of guiding the conductive wire between the respective insulating tapes, and guiding the respective insulating tapes between a pair of heating rolls arranged oppositely with their axes parallel to each other, and heating and fusing the insulating tapes on both sides of each of the conductors to form a tape-shaped electric wire. The heating and fusing process of forming a continuous body, and the process of grasping and continuously separating one overlapping conductor wire from the conductor exposed part of the tape-like continuous body, and separating the insulating tape on the top surface of the tape-like continuous body into one piece. an insulation peeling step of peeling the insulation in the longitudinal direction with approximately the same width as the conductor; a step of punching rectangular second windows larger than the first windows in the shielding tape at predetermined intervals; and a tape-like insulation step between the shielding tapes. A continuous electrical wire is guided between a pair of heating rolls that are arranged facing each other with their axes parallel to each other, and heated and fused so that the second window does not cover the first window to form a shielded tape-like continuous electrical wire. A method for manufacturing a shielded tape-shaped electric wire, comprising: