JPH09282946A - Wire harness and manufacture thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the productivity, carrying property and fitting property of wire harness. SOLUTION: A reguired-shaped exterior packaging 1 is arranged on a working board P, and a wire (a) is directly arranged inside of the exterior packaging 1. Terminal of the wiring is connected to a connector (c) per each terminal, or connected to the connector (c) together after summarizing the wiring. The exterior packaging 1 is provided with a cover 2, and the exterior packing 1 is filled with resin so as to fix the wiring (a). At the time of fitting a wire harness to a vehicle housing, the wire harness is folded at a desirable position for three-dimensional fitting. As the exterior packaging 1, sponge or the like, which has a vibration control function, is used, and an adhesive layer is formed for fitting to a vehicle main body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire harness for vehicles and the like and a method for manufacturing the same.

[0002]

2. Description of the Related Art A wiring harness is used to electrically connect electric components in automobiles and general-purpose devices and in various electric devices. For example, as shown in FIG. 7, the wire harness is one in which each connector c is connected by an electric wire a, and that shown in FIG. 7 is a temporary binding sub-assembly W (also called a wire harness in a broad sense). It is made by book binding that combines the required number of sub-assemblies W into the required shape.

As a method of manufacturing the wire harness, as shown in FIG. 5, an electric wire a is drawn from an electric wire supply S, the electric wire a is cut into a predetermined length by an electric wire length measuring machine A, and then the electric wire a is cut. At both ends, a terminal peeling machine (peeling machine) B is used for peeling treatment, and a terminal connecting machine C is used for terminal t.
After that, the terminal t is manually inserted into the connector (housing) c to temporarily bind the sub-assemblies W and perform final binding.

Further, as shown in FIG. 6, a plurality of supplies S having different electric wires a are prepared, and a required electric wire a is selected from each of the supplies S by a wire length measuring machine A and cut into a required length. , Gripping both ends of the cut electric wire a with grips g, and using the grips g, the electric wire a is transferred to the terminal peeling machine B, the terminal connecting device C, and the connector connecting device D to perform each terminal treatment, Temporary binding is performed, and this binding may be done manually.

Further, Japanese Patent Laid-Open No. 1-313872 discloses a technique for manufacturing a wire harness by performing temporary binding in advance by an automatic machine and sending it to an assembly line. In JP-A-58-192209 and JP-A-61-200611, etc., electric wires are laid on a laying work table using a laying machine such as a robot, and the laid wire harness is separately provided. The technique of manufacturing the wire harness by moving the workbench to the workbench and attaching various parts such as the main binding and the clip.

[0006]

According to the manufacturing method shown in FIG. 5 and FIG. 6, the place and time for accumulating (storing) the temporary binding and the manufacturing time for the accumulation are necessary. However, there is a problem that the manufacturing area cannot be expanded and the manufacturing time cannot be increased. In addition, since the binding work is performed manually, there is a problem such as occurrence of defects due to human intervention.

In the method of laying wires by an automatic machine, a wire harness that has been formed once is laid in order to carry out main binding and parts attachment on the main binding drawing board after laying the wiring drawing board. Removed from the top and transferred to this binding board. For this reason,
At the time of the transfer, there is a problem that the shape of the wire harness on the wiring diagram board collapses and the wiring must be reworked on the binding diagram board again. Also, since the wiring and the binding process are separate production lines, a large production space is required.

Also, in any of the above-mentioned manufacturing methods, the shape of the wire harness is not stable, and therefore, either the ease of movement or the ease of resetting after transportation is burdened,
The handling of the wire harness after manufacturing is complicated. Further, the wire harness after the main bundling requires a lot of work such as taping and attaching a proctor (exterior) to prevent the wires from coming loose and from being scratched, and the workability is very poor.

Under the above circumstances, it is an object of the present invention to improve the manufacturability of a wire harness and to improve its transportability and mountability.

[0010]

In order to solve the above problems, according to the present invention, the wiring is directly carried out and fixed in an outer casing of a required shape which covers and protects the wiring. The terminal of each wiring is a wire harness connected to a connector (Claim 1).

In this wire harness, an exterior of a required shape for wiring is placed on a work board (drawing board), wiring is directly performed in the exterior, and the wiring is completed after the wiring is completed. Is fixed in the exterior, and each wiring terminal may be connected to a connector for each wiring, or may be collectively connected to the connector after the wiring is completed to make a wire harness on the same work board ( Claim 4).

By doing so, the cutting and pressing and temporary binding steps shown in FIGS. 5 and 6 are reduced, space saving is achieved based on the steps, and the manufacturing time is shortened by reducing the accumulating time of the temporary binding. Planned. Moreover, if the wiring is performed by an automatic machine, an erroneous arrangement such as binding by a person does not occur.

The exterior may be provided with an adhesive tape to have a function of clamping to a housing of a vehicle or the like, or a sponge to have a function of preventing vibration (claim 2). . By doing so, the work of attaching the clip to the vehicle housing (vehicle body) or the like can be reduced, and the wire harness can be easily attached to the housing.

If the wire harness can be bent at an arbitrary position so as to have a three-dimensional structure (Claim 3), the wire harness has a flat (two-dimensional) structure during transportation so that the wire harness is not bulky. At the time of mounting on the etc., it is mounted as a three-dimensional (three-dimensional) structure of the mounting mode.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment is shown in FIGS. 1 to 3. First, an elongated box-shaped exterior 1 bent into a planar basic shape of a wire harness is arranged on a work board P, and Connectors (housings) c are arranged at both ends and branch positions. The outer casing 1 is made of a synthetic resin such as polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), etc., which can be easily bent, or a metal such as aluminum, which has shape retention.

Next, based on a preset program, the head 10 of the wire laying machine Q is moved two-dimensionally (in the XY axis directions) to draw the wire a from the wire supply S,
The required wiring is performed in the exterior 1. At the time of this wiring, it is advisable to form an adhesive layer on the inner surface of the exterior 1 so that the electric wire a is fixed simultaneously with the wiring. When the start or end of the wiring is reached, the terminal is connected to the required terminal in the connector c by the connection head 10a. As the electric wire a, various electric wires such as an enameled wire and an insulating covered wire can be adopted, but a thin wire is preferable for wiring, and for example, a wire having a diameter of 0.3 mm or less may be used. Further, the connection head 10a is capable of performing pressure contact, pressure bonding, soldering, welding and the like. Ultrasonic welding may be adopted for welding.

When the wiring to one outer casing 1 is completed, the heads 10 and 10a are retracted from the work substrate P, and as shown in FIG. 2, the upper surface of the outer casing 1 is covered with the lid 2 to cover the electric wire a. At the same time, the electric wire a is fixed. Instead of the lid 2, the exterior 1
Resin may be filled (molded) inside. Covering the lid 2,
The filling of the resin may be performed by moving the work substrate P to another place. In this way, the wiring machine Q has a new exterior 1
By feeding the attached work substrate P, work such as wiring and covering with a lid can be continuously performed.

The plane-shaped wire harness W of FIG. 2 is carried to the mounting site, and at the site, as shown in FIG. Install it in the housing, etc. Appropriate clips are used for this attachment. It is advisable to form a notch or a fold line in the exterior 1 of the bent portion in advance.

The embodiment shown in FIG. 4 uses the wire laying machine Q shown in FIG. 1 to form an exterior 1 made of sponge having an adhesive layer formed on the surface thereof.
After the electric wire a is laid on a, the surface is covered with an exterior 1b made of sponge to be integrated. Its exterior 1b
An adhesive layer (adhesive tape) 3 with release paper is provided on the surface over the entire length or at an appropriate position, and at the time of mounting, this adhesive layer 3
Attach the wire harness W to the vehicle housing. That is, this embodiment has a clip function. Also, since the sponge has a buffering property,
It also has a vibration prevention function. The adhesive layer 3 may be provided after coating the exterior 1b, for example, at the time of mounting. Further, the sponge outer casings 1a, 1b also have bendability, and easily follow the vehicle housing.

[0020]

As described above, according to the present invention, since the electric wire is directly laid on the exterior, a wide working space is not required, the manufacturing efficiency is good, and the transportation is not bulky, so that the cost is low. Can be reduced.

Further, if the exterior is provided with a clamping function, a vibration absorbing function, etc., the conventional portion for providing those functions can be reduced and the attaching work can be eliminated. Therefore, the cost of the wire harness can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of a wiring device according to the present invention.

FIG. 2 is a perspective view of an embodiment of a wire harness.

FIG. 3 is a perspective view of the same embodiment when attached.

FIG. 4 is a partial perspective view of another embodiment of the wire harness.

FIG. 5 is a conceptual diagram of a conventional wire harness manufacturing apparatus.

FIG. 6 is a conceptual diagram of a conventional wire harness manufacturing apparatus.

FIG. 7 is a perspective view of an example of a wire harness.

[Explanation of symbols]

 A wire length measuring machine B terminal stripping machine C terminal connecting machine P work board Q wiring machine W wire harness (sub-assembly) 1, 1a, 1b exterior 2 lid 3 adhesive layer 10 wire machine head 10a adhesive head a wire c connector

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yoshinobu Ota 1-7-10 Kikuzumi, Minami-ku, Nagoya-shi Harness Research Institute, Ltd.

Claims (4)

[Claims] 1. A wire harness in which the above-mentioned wiring is directly performed and fixed in an exterior of a required shape which covers and protects the wiring, and the terminal of each wiring is connected to a connector. 2. The outer casing has a function of clamping to a housing and a function of preventing vibration.
The described wire harness. 3. The wire harness according to claim 1 or 2, wherein the wire harness can be bent at any position so as to have a three-dimensional structure. 4. A wiring-protecting outer shape of a required shape is arranged on a work substrate, and the wiring is directly carried out in the outer housing. After the wiring is completed, the wiring is fixed in the outer housing. The wiring terminal is a method for manufacturing a wire harness on the same work board by connecting the wiring terminal to a connector for each wiring or connecting the wiring terminals collectively after the wiring is completed.