JPH06290657A - Manufacture method and device of multicore parallel glued wire - Google Patents

Abstract

(57) [Summary] [Purpose] Maintaining the parallel state of each self-fusing insulated wire [Configuration] A plurality of self-fusing insulated wires 2 are arranged by a wire arranging jig 4
Align and run in parallel. The aligned self-fusing insulated electric wire 2 is self-fused and adhered in the baking furnace 6 of the adhering device 12. After that, the self-bonding insulated electric wire 2 is shaped by the shaping roller 14 to form the multi-core parallel adhesive wire 11. [Effect] Since the self-fusing insulated electric wires are self-fused and then formed by the shaping roller 14, the parallel state of the self-fusing insulated electric wires can be maintained, and the self-fusing insulated electric wires can be completely formed. Since the multi-core parallel bonding wire can be molded before being bonded to, the dimensional accuracy of the multi-core parallel bonding wire can be improved and the quality of the multi-core parallel bonding wire can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for producing a multi-core parallel adhesive wire used as an electric wire for a coil of equipment such as electric and communication equipment. The present invention relates to a manufacturing method and a manufacturing apparatus of a multi-core parallel bonding wire for bonding and manufacturing a multi-core parallel bonding wire.

[0002]

2. Description of the Related Art A multi-core parallel bonding wire manufacturing apparatus 1 shown in FIG. 5 may be used as a multi-core parallel bonding wire manufacturing apparatus of this type. This multi-core parallel bonded wire manufacturing apparatus 1 includes a plurality of wire reels 3 each wound with a plurality of self-bonding insulated wires 2, and one self-bonding insulated wire 2 from these wire reels 3. Sequencing for inserting multi-core parallel adhesive wire 5 by self-fusing the wire arranging jig 4 that inserts the wires one by one and arranges them in parallel and the self-bonding insulated electric wire 2 that is arranged by the wire arranging jig 4 It comprises a furnace 6 and a winding device 7 for running and winding the multi-core parallel bonding wire 5 formed in the baking furnace 6.

The self-fusing insulated electric wire 2 comprises polyurethane, polyvinyl formal, polyester, polyester imide, polyhydantoin, polyamide imide,
An insulating coating composed of polyester amide imide, polyhydantoin ester, polyester amide, etc. is applied and baked to form an insulating coating, and further on this insulating coating,
Any one of polyamide, polyvinyl butyral, epoxy resin, polyester, polyhydroxy ether, or a combination of two or more thereof, or any one of amino resin, stabilized isocyanate, triazine resin, phenol resin and phenol formaldehyde resin. Alternatively, an adhesive coating composed of a composition of two or more types is applied and baked to form an adhesive coating, which eliminates the need for resin varnish impregnation treatment after winding the coil, thus fixing the winding coil. It is widely used because it is simplified.

Five strand reels 3 are arranged in parallel in one direction in the figure. A wire arranging jig 4, a baking furnace 6, and a winding device 7 are sequentially arranged in a direction perpendicular to the direction in which the wire reels 3 are arranged in parallel. The wire-arrangement jig 4 is formed with wire-arrangement grooves for inserting the self-bonding insulated electric wires 2 unwound from the wire reel 3 one by one and aligning them in parallel.

The baking furnace 6 has a baking chamber formed therethrough for melting the adhesive coating of the self-fusing insulated electric wire 2 by heating and drying the self-fusing insulated electric wire 2 to a predetermined temperature.
The winding device 7 includes a roller-shaped winding part 7a around which the multi-core parallel bonding wire 5 having the self-fusing insulated electric wire 2 baked in the baking furnace 6 is wound, and the winding part 7a is rotated to perform multi-core parallel bonding. It is composed of a drive unit such as a motor for traveling the wire 5.

In the method of manufacturing such a multi-core parallel bonded wire, the self-bonding insulated electric wires 2 are unwound from the respective wire reels 3, and these self-bonding insulated wires 2 are printed on the wire arranging jig 4 and printed. It is wound around the winding portion 7a of the winding device 7 through the furnace 6. In the wire arranging jig 4, the self-bonding insulated electric wires 2 are inserted from the individual wire reels 3 into the wire arranging grooves one by one and aligned to align the self-bonding insulated electric wires 2. In the baking oven 6, the aligned self-bonding insulated electric wire 2 is heated and dried to melt the adhesive coating of the self-bonding insulated electric wire 2 and to melt the adjacent self-bonding insulated electric wires 2. The multifilamentary parallel adhesive wire 5 is formed by bonding and baking the adhesive coating of the self-fusing insulated electric wire 2. The multicore parallel adhesive wire 5 is wound around the winding device 7 to manufacture the multicore parallel adhesive wire 5.

[0007]

However, before the adhesive coating of the self-fusing insulated electric wire 2 is fused and each self-fusing insulated electric wire 2 is completely adhered, the winding device is removed from the baking furnace 6. In some cases, the self-bonding insulated electric wire 2 travels on the wire 7, and the running itself of the self-bonding insulated electric wire 2 causes vibration. In such a case, the self-fusing insulated electric wires 2 are not sufficiently adhered, the parallel state of the self-fusing insulated electric wires 2 is disturbed, and the self-fusing insulated electric wires 2 are disturbed. There was a risk that they would be glued together. Then, as the traveling speed of each self-fusing insulated electric wire 2 increases, the tendency of each self-fusing insulated electric wire 2 to be disturbed increases, and each self-fusing insulated electric wire 2
The need to maintain the parallel state of.

The present invention effectively solves the above-mentioned problems. By maintaining the parallel state of each self-fusing insulated wire running from the baking furnace to the winding device, the self-fusing insulated wire can be reliably secured. An object of the present invention is to provide a manufacturing method and a manufacturing apparatus of a multi-core parallel bonding wire that can be bonded in parallel with each other.

[0009]

A method for manufacturing a multi-core parallel adhesive wire according to claim 1, wherein a plurality of self-bonding insulated electric wires are aligned and run in parallel, and the aligned self-bonding wires are arranged. Self-fusing insulated electric wires are self-fusing and bonded together, and by shaping the bonded self-fusing insulated wires with a shaping roller, multiple self-fusing insulated wires are bonded and integrated to form a multi-core parallel bond. It is characterized by forming a wire.

According to a second aspect of the present invention, there is provided an apparatus for manufacturing a multi-core parallel adhesive wire, which comprises a wire arranging jig for arranging a plurality of self-bonding insulated electric wires in parallel, and a self-arranged wire arranged by the wire arranging jig. The apparatus includes a bonding apparatus for forming a multi-core parallel bonding wire in which a fusible insulated electric wire is self-fused and bonded, and a winding device for running the multi-core parallel bonding wire bonded by the bonding apparatus. The device is arranged between a baking furnace for self-bonding and adhering the self-bonding insulated electric wire, and the multi-core parallel bonded wire bonded by the baking furnace is arranged between the baking furnace and the winding device. It is characterized by having a shaping roller.

[0011]

In the method for producing a multi-core parallel bonded wire according to claim 1, the aligned self-bonding insulated wire is self-bonded and bonded, and then the bonded self-bonding insulated wire is shaped. Since the shaping is performed by the rollers, the parallel state of the plurality of self-bonding insulated electric wires adhered is maintained by the shaping rollers.

In the apparatus for producing a multi-core parallel adhesive wire according to a second aspect, a plurality of self-bonding insulated electric wires are arranged in parallel by a wire arrangement jig, and the arranged self-bonding insulated electric wires are arranged. Is bonded by an adhesive device to form a multi-core parallel adhesive line, and the multi-core parallel adhesive line is run by a winding device. In the bonding apparatus, the aligned self-bonding insulated electric wires are fused and bonded in a baking oven to form a multi-core parallel adhesive line, and the multi-core parallel adhesive line is shaped by a shaping roller.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a method and apparatus for manufacturing a multi-core parallel adhesive wire of the present invention will be described below with reference to FIGS. Here, the same parts as those of the conventional example are designated by the same reference numerals to simplify the description. As shown in FIG. 1, reference numeral 10 is a multi-core parallel bonding wire manufacturing apparatus. This multi-core parallel bonding wire manufacturing apparatus 10 includes a plurality of self-fusing insulated electric wires 2 wound around a plurality of elements. Wire reel 3
And a wire arranging jig 4 for arranging the self-bonding insulated electric wires 2 in parallel from these wire reels 3, and a self-bonding insulated electric wire 2 arranged by the wire arranging jig 4 by self-bonding. And a bonding device 12 for molding a multi-core parallel bonding wire 11 bonded by the above
The winding device 7 that runs the multi-core parallel bonding wire 11 bonded by 2 is provided.

The strand reel 3, the wire arranging jig 4, the bonding device 12, and the winding device 7 are arranged in this order. That is, the self-fusing insulated electric wire 2 unwound from the wire reel 3 runs the wire arranging jig 4 and the bonding device 12 by operating the drive part of the winding device 7, and the winding device 7 Is wound around the winding portion 7a. The wire arranging jig 4 is formed with wire arranging grooves for inserting and aligning the self-fusing insulated electric wires 2 one by one and aligning the self-fusing insulated electric wires 2 in parallel.

The adhesive device 12 heats and dries the self-fusing insulated electric wire 2 to melt and bake the adhesive coating 2c of the self-fusing insulated electric wire 2 to form a plurality of self-fusing insulated electric wires 2. It has a baking oven 6 for forming the multi-core parallel bonding wire 11 and a shaping roller 14 for shaping the multi-core parallel bonding wire 11 baked in the baking furnace 6.

In the shaping roller 14, the adhesive coating 2c of the self-fusing insulated electric wire 2 discharged from the baking oven 6 is exposed to the outside air, the surface of the adhesive coating 2c is cured, and the inside of the adhesive coating 2c is cured. It is arranged near the baking furnace 6 in order to maintain the non-existing state. Such shaping roller 14
As shown in FIG. 2, the upper roller 15 disposed on the upper side of the self-bonding insulated wire 2 and the self-bonding insulated wire 2
And a lower roller 16 disposed on the lower side.

These upper roller 15 and lower roller 1
6 is made of a metal material or a hard synthetic resin,
The self-fusing insulated electric wires 2 are arranged so as to face each other with a finishing interval between the self-fusing insulated electric wires 2. That is,
The distance between the upper roller 15 and the lower roller 16 is set to the total finished thickness of the self-fusing insulated electric wire 2 including the conductor 2a, the insulating coating 2b, and the adhesive coating 2c. At least the surfaces of the upper roller 15 and the lower roller 16 are subjected to an adhesion prevention treatment for preventing adhesion of an adhesive coating.

In the method for manufacturing such a multi-core parallel adhesive wire, the self-bonding insulated electric wires 2 are aligned from the individual wire reels 3 to the wire arranging jig 4, and the wire arranging jig 4 is arranged. By pulling the self-fusing insulated electric wire 2 by the winding device 7, the self-fusing insulated electric wire 2 is inserted into the baking furnace 6 of the bonding device 12 in a parallel state. In this baking oven 6, the bonding device 12
The self-fusing insulated electric wires 2 are run in the baking furnace 6, the adhesive coatings 2c of these self-fusing insulated electric wires 2 are melted, and the adjacent self-fusing insulated electric wires 2 are fused and baked. After that, the self-bonding insulated electric wire 2 is taken out from the baking furnace 6 and run in the shaping roller 14, and the shaping roller 14 keeps the parallel state of the self-bonding insulated electric wire 2 and self-bonding property. The adhesive coating 2c of the insulated wire 2 is sufficiently cured to form the multi-core parallel adhesive wire 11. By winding the multicore parallel adhesive wire 11 around the winding device 7, the multicore parallel adhesive wire 11 is manufactured.

According to the manufacturing method and the manufacturing apparatus for such a multi-core parallel adhesive wire, a plurality of self-fusing insulated electric wires 2 are arranged in parallel by the wire arrangement jig 4, and the arranged self-bonding self-bonding electric wires 2 are arranged. The fusible insulated electric wire 2 is made to travel in the bonding device 12 by the winding device 7. In this bonding device 12, the self-fusing insulated electric wire 2 in the baking furnace 6
Are self-fused and bonded, and a plurality of self-fusing insulated electric wires 2 are bonded and integrated to form a multi-core parallel bonding wire 11. After that, the multicore parallel adhesive wire 11 is passed through the shaping roller 14 to maintain the parallel state of the self-bonding insulated electric wire 2 and at the same time, the adhesive coating 2 of the self-bonding insulated electric wire 2.
Promote cooling of c. Therefore, even if the traveling self-fusing insulated electric wire 2 vibrates, the misalignment of each self-fusing insulated electric wire 2 can be adjusted by the shaping roller 14, so that the multi-core parallel adhesive wire 11 can be adjusted. The dimensional accuracy of can be improved.

Even if the distance between the self-fusing insulated wires 2 changes, the spacing between the self-fusing insulated wires 2 can be adjusted by the shaping roller 14, so that the self-fusing insulated wires 2 can be adjusted. Even in the case where vibration occurs during the traveling of 2 itself, the multicore parallel adhesive wire 11 can be shaped and the traveling speed of the self-fusing insulated electric wire 2 can be improved. Further, since the shaping roller 14 for shaping the multi-core parallel bonding wire 11 is arranged between the baking furnace 6 and the winding device 7, it can be easily added to the conventional multi-core parallel bonding wire manufacturing apparatus. Since the existing manufacturing apparatus can be used, it is possible to reduce the cost required to install the manufacturing apparatus 10 for the multi-core parallel bonding wire. Furthermore, even if the distance between the self-fusing insulated wires 2 changes, the spacing between the self-fusing insulated wires 2 can be adjusted by the shaping roller 14, so that the self-fusing insulated wires 2 run. Even when the vibration itself occurs, the multi-core parallel adhesive wire 11 can be shaped and the traveling speed of the self-bonding insulated electric wire 2 can be improved.

<Other Embodiments> Another embodiment of the method and apparatus for manufacturing a multi-core parallel adhesive wire of the present invention will be described with reference to FIGS. 3 to 4. Here, in the other examples, the shape of the shaping roller is different from that of the above example, the other configurations are the same, and the same reference numerals are used for the same elements as the above examples to simplify the description. Turn into. Figure 3
As shown in FIG.
1 and a lower roller 22. The upper roller 21 and the lower roller 22 have a recessed portion 23 for inserting the self-fusing insulated electric wire 2 and sandwiching it in a parallel state,
24 are formed respectively. These upper rollers 2
By inserting a plurality of self-bonding insulated electric wires 2 into the recess 23 of the first roller 1 and the recess 24 of the lower roller 22, the thickness of the multi-core parallel bonding wire 11 in which these self-bonding insulated wires 2 are bonded and integrated. And width can be shaped at the same time.

That is, the upper and lower rollers 21, 22
On the flat surfaces of the bottoms of the recesses 23, 24 of the multicore parallel bonding wire 1
Since the thickness of the multi-core parallel bonding wire 11 is adjusted by bringing the rollers 1 into contact with each other, the upper and lower rollers 2
The space between the bottoms of the recesses 23 and 24 of Nos. 1 and 22 is set to the finished thickness of the multi-core parallel bonding wire 11. On the other hand, the upper part,
Slopes 23a and 24a are formed on both side walls of the recesses 23 and 24 of the lower rollers 21 and 22, respectively.
Since the inclined surfaces 23a and 24a of 4 push the multicore parallel adhesive wire 11 inward, the width of the bottom of the recesses 23 and 24 is the finished width of the multicore parallel adhesive wire 11 (finished diameter of self-bonding insulated wire x self The number is smaller than the number of fusible insulated wires.

Here, as shown in FIG. 4, the number of self-bonding insulated wires 2 is N, the finished diameter of the self-bonding insulated wire is r, and the self-bonding property consisting of the conductor 2a and the insulating coating 2b. When the diameter of the insulated electric wire 2 is R, the distance between the insulating coatings 2b of the self-fusing insulated electric wires 2 is d, and the angle θ of the slopes 23a and 24a of the recesses is set, it is preferable to satisfy the following formula. . Depth of recess; A <r / 2 Width of bottom of recess; B = (R + d) · (N−1) <r ·
(N-1) Width of slope of concave portion; C = (r / 2) · (1 / sin θ) −
(A / tan θ) However, 30 ° <θ <90 °.

By forming the recesses 23, 24 satisfying the above equation, the slopes 23 of the recesses 23, 24 are formed.
a and 24a prevent the width of the multi-core parallel bonding wire 11 from spreading due to vibration such as running of the self-bonding insulated wire 2 before the adjacent self-bonding insulated wire 2 is self-bonded. Insufficient multi-core parallel adhesive line 11 is pushed inward, and the pushing width and the adhesive force are controlled.

Thus, the upper and lower rollers 21 and 22
By forming the recesses 23 and 24 in the self-bonding insulated wires 2, even if the self-bonding insulated wires 2 are displaced and the positions of the self-bonding insulated wires 2 are displaced, Can be shaped into Therefore, the self-fusing insulated electric wires 2 traveling from the baking oven 6 to the winding device 7 can be maintained in a parallel state, the self-fusing insulated electric wires 2 can be reliably bonded, and the multi-core parallel bonding wire 11 The dimensional accuracy can be improved, and the quality of the multi-core parallel bonding wire 11 can be improved.

The upper roller 21 and the lower roller 2
2 is fixed by opening the interval between the recesses 23 and 24 facing each other to the finished diameter (r) of the self-fusing insulated wire, but fixing the lower roller 22 and placing the weight on the upper roller 21. The multi-core parallel bonding wire 11 may be pushed in by the upper roller 21.

[0027]

As described above, according to the method and apparatus for manufacturing a multi-core parallel adhesive wire of the present invention, a plurality of self-bonding insulated wires are arranged in parallel and run, and Self-fusing insulated wires that have been wired are self-fusing and bonded together, and by shaping the bonded self-fusing insulated wires with a shaping roller, a plurality of self-fusing insulated wires are bonded and integrated. Since the multi-core parallel adhesive wire is shaped by the shaping roller, even if the running self-bonding insulated wire vibrates and the distance between the self-bonding insulated wires changes. The positional deviation of each self-fusing insulated electric wire can be adjusted by the shaping roller, the dimensional accuracy of the multi-core parallel bonding wire can be improved, and the quality of the multi-core parallel bonding wire can be improved.

Even if the distance between the self-fusing insulated wires changes, the distance between the self-fusing insulated wires can be adjusted by the shaping roller. Even when vibration occurs, the multicore parallel adhesive wire can be shaped, the running speed of the self-bonding insulated wire can be improved, and the manufacturing speed of the multicore parallel adhesive wire can be improved. Further, especially according to the apparatus, since the shaping roller for shaping the multi-core parallel bonding wire is arranged between the baking furnace and the winding device, it can be easily added to the conventional multi-core parallel bonding wire manufacturing apparatus. Since the existing manufacturing apparatus can be used, it is possible to reduce the cost required for installing the manufacturing apparatus for the multi-core parallel bonding wire.

[Brief description of drawings]

FIG. 1 is a plan view showing a multi-core parallel adhesive wire manufacturing apparatus of the present invention.

FIG. 2 is a cross-sectional view showing the shaping roller of FIG.

FIG. 3 is a sectional view showing another embodiment of FIG.

FIG. 4 is a cross-sectional view for explaining the dimensions of the shaping roller of FIG.

FIG. 5 is a plan view showing a conventional multi-core parallel adhesive wire manufacturing apparatus.

[Explanation of symbols]

2 ... Self-fusing insulated electric wire, 4 ... Wiring jig, 6 ... Baking furnace,
7 ... Winding device, 10 ... Multi-core parallel bonding wire manufacturing device, 11
... multi-core parallel bonding line, 12 ... bonding device, 14 ... shaping roller.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Michio Koike 1-5-1, Kiba, Koto-ku, Tokyo Fujikura Ltd. (72) Inventor Akihide Kadowaki 1-5-1, Kiba, Koto-ku, Tokyo Shareholders Inside Fujikura

Claims (2)

[Claims] 1. A plurality of self-bonding insulated electric wires are arranged in parallel and run, and the aligned self-bonding insulated electric wires are self-bonded and adhered to each other. A method for producing a multi-core parallel bonded wire, comprising forming a multi-core parallel bonded wire, in which a plurality of self-fusing insulated wires are integrally bonded, by molding a flexible insulated wire with a shaping roller. 2. A wire arranging jig for arranging a plurality of self-bonding insulated electric wires in parallel, and a self-bonding insulated electric wire arranged by the wire arranging jig is self-bonded and bonded. A bonding device for forming a multi-core parallel bonding wire, and a winding device for running the multi-core parallel bonding wire bonded by the bonding device are provided.
A self-fusing insulated electric wire for self-fusing and adhering the electric wire, and a shaping roller disposed between the baking furnace and the winding device for shaping the multi-core parallel adhesive wire adhered in the electric furnace. An apparatus for producing a multi-core parallel bonding wire, comprising: