JP2590986B2 - Method of manufacturing conductor wire with insulator - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a conductor wire with an insulator that can be used as a module terminal or a jumper wire with an insulator that is mounted on a substrate to form a connector terminal. .

2. Description of the Related Art Conventionally, as shown in FIG. 10, as a module terminal 30 for forming a connector terminal of a substrate, a large number of conductor wires 32 are projected to both sides at predetermined intervals in a long and narrow resin molded body 31 of a fixed length. It is known that it is typed into. In the resin molded body 31, shallow grooves 33 indicating cutting positions are formed between the conductor wires 32 so that module terminals 30 having an arbitrary number of conductor wires 32 can be obtained.

When forming a connector terminal 34 as shown in FIG. 11 using the module terminal 30, the resin molded body 31 is cut at an appropriate place using a cutter or the like according to the required number of terminals, and the substrate 35 One side of the conductor wire 32 is inserted into each of the insertion holes 36 formed on one side, and the insertion end of the conductor wire 32 is bent along the back surface of the substrate 35 to form a conductor pattern 37 on the back surface of the substrate. , And the side surface of the resin molded body 31 is bonded and fixed to the surface of the substrate 35.

When it is necessary to connect with a jumper wire having an insulating portion in the middle, the connection is made using a jumper wire in which an insulating tube is covered on a lead wire.

Problems to be Solved by the Invention However, in order to form the above-mentioned module terminals 30, it is necessary to drive the conductor wires 32 into the resin molded body 31, which requires a lot of labor in the process, resulting in poor production efficiency. In addition, since the conductor wire 32 is driven into the resin molded body 31, the two cannot be completely integrated, and the conductor wire 32 tends to be loose.

The present invention has been made in view of the above-described conventional problems, and has as its object to provide a method for manufacturing a conductor wire with an insulator, in which a resin molded body of the conductor wire is integrated.

Means for Solving the Problems In order to achieve the above object, the present invention provides a tape-shaped conductor in which both ends of a large number of conductor wires arranged in parallel are connected by a separate tape-shaped strip that can be wound on the conductor wire. The wire aggregate is intermittently or continuously moved on a predetermined moving path, and an injection molding machine provided on the moving path uses an insulator made of an insulating resin to form a part of each conductor wire; A flexible and cutable thin connecting piece is integrally formed between insulators of the conductor wires to obtain a series of conductor wires with insulators.

Function Since the present invention has the above-described configuration, the conductor wire can be moved by a feeder having a simple structure and the resin can be molded, so that the production efficiency is high, and the conductor wire is not shaken by the integral molding. Also, automatic insertion is possible because of the series.

Embodiment An embodiment of the present invention will be described below with reference to FIGS.

In FIG. 1, reference numeral 1 denotes an injection molding machine, which is configured so that an upper die 3 can move up and down with respect to a lower die 2 so as to be opened and closed.
A feed reel 5 is rotatable on one side of a base 4 of the injection molding machine 1, and a take-up reel 6 is rotatable intermittently on the other side.

As shown in FIG. 3 (a), the feed reel 5
A plurality of conductor wires 12 having a predetermined length are arranged in parallel at a predetermined interval, and a tape-shaped conductor wire assembly 11 configured by holding both ends of the conductor wires 12 with a tape-shaped band 13 is wound. The tape-shaped conductor wire assembly 11 is pulled out from the feed reel 5, moves along a moving path 10 passing through the upper surface of the lower die 2, and is taken up by the take-up reel 6.

The lower mold 2 and the upper mold 3 are connected to a conductor wire 12 as shown in FIG.
The moving path 10 is a dividing surface of them, and a relief groove in which these conductor wires 12 are fitted is formed in each of the dividing surfaces in accordance with the parallel pitch of the conductor wires 12, and corresponds to a central portion of the conductor wire. Concave portions 7a and 7b having appropriate length, width and depth are formed in the portions, and are relatively shallow so as to connect these concave portions 7a and 7a and between the concave portions 7b and 7b. Short connection grooves 8a and 8b are formed, and these recesses 7a7b and the connection grooves are formed.
A molding cavity 9 is formed by 8a and 8b. Then, for example, 30 glass fibers are placed in the molding cavity 9.
% Of an insulating molding resin, such as polybutylene terephthalate, which can be injected under pressure.

The depth of the concave portion 7b of the upper die 3 is formed to be shallower than the depth of the concave portion 7a of the lower handle 2. Also, the grooves 8a, 8b extending from the recesses 7a, 7b at the end on the upper side in the moving direction of the conductor wire 12 toward the ends of the dies 2, 3 are closed, and the recesses 7 at the lower end are closed.
grooves 8a, 8b extending from a, 7b towards the ends of the molds 2, 3
Is open.

In the above configuration, a plurality of tape-shaped conductor wire aggregates 11 shown in FIG. 3 (a) wound around the feed reel 5 by intermittently driving the take-up reel 6 (in the illustrated example of FIG. 2). 3
In the injection molding machine 1, when the movement of the tape-shaped conductor wire assembly 11 is stopped, the upper mold 3 is lowered toward the lower mold 2 in the injection molding machine 1. After the molding cavity 9 is closed, the molding resin is injected under pressure, and after the injected resin is cured, the upper die 3 is raised and opened, and the operation of moving the tape-shaped conductor wire aggregate 11 again is repeated. As a result, an insulator 16 made of a resin molded body formed in the concave portions 7a and 7b and a connecting piece 17 formed in the connecting grooves 8a and 8b are formed intermittently and sequentially, as shown in FIGS. As shown in the figure, a conductor wire 15 with an insulator integrally formed with an insulator 16 at the center of the conductor wire 12 is connected by a thin and small connecting piece 17, and both ends of the conductor wire 15 are tape-shaped. band
The conductor wire assembly with insulator 14 connected by 13 is formed.

The assembly 14 of the conductor wires with the insulator thus manufactured has flexibility since it is easily bent at the connection piece 17 and can be wound up on the take-up reel 6. The take-up reel 6
By mounting the conductor wire assembly 14 with the insulator wound up in the automatic insertion device as it is and automatically inserting it into the board,
It is possible to form a connector terminal as shown in FIG. At this time, since the cross-section of the connecting piece 17 is small, by appropriately selecting the molding resin, the connecting piece 17 can be cut at an arbitrary position by strongly bending the connecting piece 17, and the required number of conductor wires 15 with insulators can be easily obtained. Can be. further,
Since the conductor wire 12 is biased toward one surface of the insulator 16, the conductor wire
A stable connector terminal is obtained by inserting 12 in a posture close to the substrate, and since the connecting piece 17 is not formed flush with the one surface, burrs and the like at the time of cutting the connecting piece 17 are formed on this one surface. It can be in close contact with the substrate without protruding.

In addition, the conductor wire 15 with an insulator can be used as the above-mentioned connector terminal. In addition, as shown in FIG. Can be used for jumper wire 19.

If a deformed portion 18 as shown in FIG. 5 is formed at the position where the insulator 16 of the conductor wire 12 is formed, the conductor wire 12 is firmly integrated with the insulator 16 and the wobble and rotation of the conductor wire 12 occur. Difficult
Even if the round conductor wire 12 is used, no problem occurs.

Further, in the above embodiment, an example of the axial type in which the insulator 16 is formed in the middle part of the straight conductor wire 12 is shown.
As shown in FIG. 6A, as shown in FIG. 6B, a tape-shaped conductor wire aggregate 21 in which both ends of a U-shaped conductor wire 22 are connected by a tape-shaped band 23 is used. By forming the insulator 26 integrally with the bent part of the conductor wire 22, it is also applicable to the case of manufacturing the conductor wire assembly 24 with the insulator in which the radial type conductor wires 25 with the insulator are connected in series. It is.

Further, in the above embodiment, the connecting pieces 17 are connected between the insulators 16 and 16.
However, as shown in FIG. 7, when the conductor wire 12 is connected and held by the tape-like band 13, the connecting piece 17 may not be formed. When a mechanism for supplying the conductor wire 12 between the dies 2 and 3 of the injection molding machine 1 at a predetermined pitch by another means is installed, as shown in FIG.
It is not necessary to provide the tape-shaped band 13. In addition, the injection molding machine 1
If the mold is a continuous mold that can be moved by a caterpillar method or the like, it can be manufactured while being continuously moved.

Effect of the Invention According to the method of manufacturing a conductor wire with an insulator of the present invention, a tape-shaped conductor in which both ends of a large number of conductor wires arranged and connected are connected to a separate tape-shaped strip that can be wound on the conductor wire The line assembly is moved intermittently or continuously on a predetermined movement path, and by an injection molding machine provided on the movement path,
An insulator made of an insulating resin on a part of each conductor wire, and a thin connecting piece that is flexible and can be cut between insulators of each conductor wire, and is integrally formed to form a series of conductor wires with an insulator. Since the resin wire can be formed by moving the conductor wire with a feeder having a simple structure, the production efficiency is high, and the conductor wire is not shaken by integral molding.

Further, by connecting the insulators of the conductor wires with a flexible and severable thin connecting piece integrally formed with the insulator, the manufactured conductor wires are connected to each other. While being capable of being wound on a reel, each end of the conductor wire is connected to the conductor wire by a separate windable tape-like band to form a tape-like conductor wire aggregate, so that even if the component shape changes. Since the tape-shaped strip portion can be standardized to a certain form, it is possible to obtain a conductor wire with an insulator that can be directly attached to an automatic insertion machine and automatically inserted into a substrate.

[Brief description of the drawings]

1 to 4 show an embodiment of the present invention. FIG. 1 is an overall perspective view of an apparatus for manufacturing a conductor wire with an insulator, FIG. 2 is a detailed view of a mold portion of an injection molding machine, and FIG. 4A and 4B are partial plan views of a tape-shaped conductor wire assembly and a conductor wire assembly with an insulator, respectively. FIG. 4 is a sectional view taken along line AA of FIG. 3A, and FIG. FIG. 6A is a perspective view of a modified example of the conductor wire, and FIGS. 6A and 6B are partial plan views of a tape-shaped conductor wire assembly and a conductor wire assembly with an insulator according to another embodiment, and FIGS. FIG. 8 is a partial plan view of a conductor wire assembly with an insulator according to another embodiment, and FIG.
FIG. 10 is a perspective view of a usage example of a conductor wire with an insulator as a jumper wire, FIG. 10 is a perspective view of a conventional module terminal, and FIG. 11 is a vertical sectional front view of a connector terminal. 10 moving path 11, 21 tape-shaped conductor wire assembly 12, 22 conductor wire 13, 23 tape-shaped band 14, 24 conductor wire assembly with insulator 15, 25 insulator Conductor wire 16, 26 ... insulator 17 ... connecting piece.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kazuhiro Mori 1006 Kadoma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Inventor Akio Yamagami 1006 Odaka Kadoma Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. No. (72) Inventor S. Imai 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-59-8390 (JP, A) JP-A-58-209876 (JP, A)

Claims (1)

(57) [Claims] 1. A tape-shaped conductor line assembly in which both ends of a large number of conductor wires arranged in parallel are connected to the conductor wire by a separate tape-shaped strip which can be wound, and intermittently moves on a predetermined moving path. Or by continuously moving, by means of an injection molding machine provided on the movement path, an insulator made of an insulating resin on a part of each conductor wire, and having flexibility between insulators of each conductor wire and A method for manufacturing a conductor wire with an insulator, wherein a thin connecting piece that can be cut is integrally molded to obtain a series of conductor wires with an insulator.