JPH06290655A - Manufacturing method and manufacturing apparatus for multi-core parallel bonding wire - Google Patents

Abstract

(57) [Summary] [Purpose] To maintain the parallel condition of each insulated core wire. [Structure] A plurality of insulated core wires 2 are arranged in parallel by a wire arrangement jig 4 and run. The adhesive 18 is applied to the arranged insulating core wire 2 by the application device 8 of the adhesion device 12. The adhesive 18 is baked on the insulating core wire 2 in the baking oven 9, and the baked insulating core wire 2 is shaped by the shaping roller 14 to form the multi-core parallel adhesive wire 11. [Effect] Since the insulating rollers are formed by the shaping roller 14 after the adhesive is baked on the insulating cores, the parallel state of the insulating cores can be maintained, and the multiple cores can be formed before the insulating cores are completely fixed with the adhesive. Since the parallel adhesive line can be molded, the dimensional accuracy of the multi-core parallel adhesive line can be improved, and the quality of the multi-core parallel adhesive line 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, and in particular, a plurality of insulating core wires are adhered in parallel with an adhesive. The present invention relates to a manufacturing method and a manufacturing apparatus of a multi-core parallel bonding wire for 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 adhesive wire manufacturing apparatus 1 includes a plurality of wire reels 3 each wound with a plurality of insulation core wires 2, and one insulation core wire 2 is inserted from each of these wire reels 3 to arrange the wires in parallel. A wire arranging jig 4 and an adhesive device 6 for forming a multi-core parallel adhesive wire 5 by bundling the insulating core wires 2 arranged by the wire arranging jig 4 in a row and adhering them integrally with an adhesive.
The multi-core parallel adhesive wire 5 adhered by the adhering device 6 is made to run and wound up to form a winding device 7.

The insulating core wire 2 is formed by applying an insulating coating material made of polyurethane, polyvinyl formal, polyester, polyester imide, polyhydantoin, polyamide imide, polyester amide imide, polyhydantoin ester, polyester amide, etc. on the conductor and baking it to form an insulating layer. It is formed. Five strand reels 3 are arranged in parallel in one direction in the figure. A wire arranging jig 4, a bonding device 6, and a winding device 7 are sequentially arranged in a direction orthogonal 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 insulating core wires 2 unwound from the wire reel 3 one by one and aligning them in parallel.

The bonding device 6 includes a coating device 8 for coating the insulating core wire 2 arranged by the wiring jig 4 with an adhesive, and a baking furnace for baking the adhesive coated by the coating device 8 on the insulating core wire 2. It is composed of 9 and 9. The coating device 8 is arranged between the wire arranging jig 4 and the baking furnace 9.
And the winding device 7. Examples of the adhesive for adhering the insulating core wire 2 include polyvinyl butyral, epoxy resin, polyester, polyhydroxy ether, polyvinyl formal, polyamide, and other resins, or amino resin, isocyanate, trihydroxyethyl isocyanate, triazine resin, phenol resin, phenol. A resin composition containing a formaldehyde resin or the like is used. The winding device 7 includes a roller-shaped winding portion 7a for winding a multi-core parallel adhesive wire 5 obtained by baking an adhesive on the insulating core wire 2 in a baking oven 9, and a multi-core parallel adhesive wire by rotating the winding portion 7a. It is composed of a drive unit such as a motor for driving the vehicle.

In such a multi-core parallel bonding wire manufacturing method, the insulating core wires 2 are unwound from the respective wire reels 3, and the insulating core wires 2 pass through the wire arranging jig 4 and the bonding device 6 to the winding device 7. Wrapped around. In the wire arranging jig 4, the insulation core wires 2 are aligned by inserting the insulation core wires 2 from the respective wire reels 3 into the wire alignment grooves one by one and aligning them. In the bonding device 6, an adhesive is applied to the arranged insulating core wire 2 by the coating device 8 and the adhesive is baked on the insulating core wire 2 in the baking oven 9 to form the multi-core parallel adhesive wire 5. The multicore parallel adhesive wire 5 is wound around the winding device 7 to manufacture the multicore parallel adhesive wire 5.

[0006]

However, before the adhesive is fused to the insulating core wire 2 in the baking furnace 9 to completely bond the respective insulating core wires 2, the insulating core wire is wound from the baking furnace 9 to the winding device 7. 2 may run, and vibration may occur in the running of the insulated core wire 2 itself. In such a case, the insulation core wires 2 are not sufficiently adhered, the parallel state of the insulation core wires 2 is disturbed, and the insulation core wires 2 may be adhered in a distorted state. Then, as the traveling speed of each insulating core wire 2 becomes faster, the tendency of each insulating core wire 2 to disturb becomes higher, and it becomes necessary to maintain the parallel state of each insulating core wire 2.

The present invention effectively solves the above problems. By maintaining the parallel state of each insulating core wire traveling from the baking furnace to the winding device, each insulating core wire can be reliably bonded in parallel. An object of the present invention is to provide a manufacturing method and a manufacturing apparatus for a multi-core parallel bonding wire.

[0008]

A method of manufacturing a multi-core parallel adhesive wire according to claim 1, wherein a plurality of insulating core wires are aligned and run in parallel, and an adhesive is applied to the aligned insulating core wires. Then, by baking this adhesive on an insulating core wire and shaping the baked insulating core wire with a shaping roller,
It is characterized in that multi-core parallel adhesive lines are formed.

According to a second aspect of the present invention, there is provided an apparatus for manufacturing a multi-core parallel adhesive wire, wherein a wire arranging jig for arranging a plurality of insulating core wires in parallel and an insulating core wire arranged by the wire arranging jig are adhesive. And a winding device for running the multi-core parallel bonding wire bonded by the bonding device.
The bonding apparatus is disposed between a baking furnace for baking an adhesive on an insulating core wire and between the baking furnace and the wire arranging jig, and applies the adhesive to the insulating core wire arranged by the wire arranging jig. And a shaping roller which is disposed between the baking furnace and the winding device and shapes the multi-core parallel adhesive line baked in the baking furnace.

[0010]

In the method and apparatus for manufacturing a multi-core parallel adhesive wire of the present invention, a plurality of insulating core wires are aligned in parallel, and an adhesive is applied to the aligned insulating core wires to form a multi-core parallel adhesive wire. Is molded, and this multi-core parallel bonding line is run. An adhesive is applied to the aligned insulating core wire, the adhesive is baked on the insulating core wire, and the multicore parallel adhesive wire baked in the baking furnace is shaped by a shaping roller.

[0011]

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 strand reels 3 around which a plurality of insulating core wires 2 are wound. An adhesive 1 is provided with a wire arranging jig 4 for arranging the insulating core wire 2 in parallel from the wire reel 3 and an insulating core wire 2 arranged by the wire arranging jig 4.
Adhesion device 1 for adhering with 8 to form a multi-core parallel adhesive line 11
2 and a multi-core parallel bonding line 11 bonded by the bonding device 12
And a winding device 7 for running

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 insulated core wire 2 unwound from the wire reel 3
By operating the drive unit of the winding device 7, the wire arranging jig 4 and the bonding device 12 are run, 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 the insulating core wires 2 one by one and aligning them to arrange the insulating core wires 2 in parallel.

The bonding device 12 includes an adhesive 18 on the insulating core wire 2.
A baking furnace 9 for baking by heating and drying, a coating device 8 for applying the adhesive 18 to the insulating core wire 2, and a baking furnace 9
And a shaping roller 14 for shaping the multi-core parallel adhesive line 11 baked by. The coating device 8 is provided on the coating table arranged between the arranging jig 4 and the baking furnace 9, and on the insulating core wire 2 which is arranged on the coating table and runs from the arranging jig 4 to the baking furnace 9. It has a brush, a brush and the like for applying the adhesive 18.

In the shaping roller 14, the adhesive 18 of the multi-core parallel adhesive wire 11 coming out of the baking oven 9 is exposed to the outside air, the surface of the adhesive 18 is hardened, and the inside of the adhesive 18 is not hardened. In order to maintain the state, it is arranged near the baking furnace 9. The shaping roller 14 is, as shown in FIG. 2, the upper roller 1 disposed above the insulating core wire 2.
5 and the lower roller 16 disposed below the insulating core wire 2
It consists of and.

These upper roller 15 and lower roller 1
6 is made of a metal material or a hard synthetic resin, and is arranged to face the multi-core parallel bonding wire 11 with the finished core wire 2 interposed therebetween with a finishing interval. That is, the upper roller 1
5 and the lower roller 16 are separated by a multi-core parallel adhesive line 11
The conductor 2a, the insulating layer 2b, and the adhesive 18 in FIG. At least the surfaces of the upper roller 15 and the lower roller 16 are subjected to an adhesion preventing treatment for preventing adhesion of the adhesive 18.

In the method of manufacturing such a multi-core parallel adhesive wire, the insulated core wires 2 are aligned from the individual wire reels 3 to the wire arranging jig 4, and the wire arranging jig 4 is used to arrange the wire. The insulated core wire 2 is caused to run on the coating device 4. The adhesive 18 is applied from both sides of the insulating cores 2 by the coating device 4, and then the insulating cores 2 are run in the baking furnace 9 of the bonding device 12, and the adhesives 18 are baked on the insulating cores 2. Then, the insulating core wire 2 on which the adhesive 18 has been baked is run in the shaping roller 14, and the insulating core wire 2 is maintained in a parallel state by the shaping roller 14, and the adhesive 18 is sufficiently cured to form a multi-core parallel wire. The adhesive line 11 is formed. 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 insulating core wires 2 are arranged in parallel,
The aligned insulating core wire 2 is bonded with an adhesive 18 to form a multi-core parallel bond wire 11, and the multi-core parallel bond wire 11 is run. Then, the adhesive 18 is applied to the insulating core wire 11, the adhesive 18 is baked on the insulating core wire 11, and then the multi-core parallel adhesive wire 11 is shaped by the shaping roller 14. Therefore, even when the traveling insulating core wire 2 is vibrated, the spacing between the insulating core wires 2 is set to the shaping roller 14
Since the multi-core parallel adhesive line 11 can be adjusted by adjusting with, the dimensional accuracy of the multi-core parallel adhesive line 11 can be improved.

Even if the distance between the insulating core wires 2 changes, the spacing between the insulating core wires 2 can be adjusted by the shaping roller 14, so that there is a case where vibration occurs during the running of each insulating core wire 2. Also, the multi-core parallel adhesive wire 11 can be shaped, and the traveling speed of the insulating core 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 9 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. further,
Even if the distance between the insulating core wires 2 changes, the spacing between the insulating core wires 2 can be adjusted by the shaping roller 14, so that even if vibration occurs during the running of each insulating core wire 2, the multicore parallel The adhesive wire 11 can be shaped and the traveling speed of the insulating core 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. Here, in the other embodiment, the shape of the shaping roller is different from that of the above embodiment, other configurations are the same, and the same reference numerals are used for the same components as the above embodiment to simplify the description. Turn into. Figure 3
As shown in FIG.
1 and a lower roller 22. The insulating core wire 2 is attached to the upper roller 21 and the lower roller 22.
Recesses 23 and 24 are formed to insert and hold in parallel. By inserting the insulating core wire 2 coated with the adhesive 18 into the recess 23 of the upper roller 21 and the recess 24 of the lower roller 22, the multi-core parallel adhesive wire 11
The thickness and width of can be shaped at the same time. In other words, the thickness of the multi-core parallel adhesive line 11 is adjusted by bringing the multi-core parallel adhesive line 11 into contact with the flat surfaces of the bottoms of the recesses 23, 24 of the upper and lower rollers 21, 22, respectively. The bottom portions of the recesses 23, 24 of the lower rollers 21, 22 are spaced at the finished thickness of the multi-core parallel bonding wire 11. On the other hand, the concave portions 2 of the upper and lower rollers 21 and 22
Slopes 23a and 24a are formed on both side walls of the recesses 3 and 24, and the slopes 23a and 24a of the recesses 23 and 24 push the multi-core parallel adhesive line 11 inward, so that the recesses 23 and 24a are recessed.
The width of the bottom portion of 4 is narrower than the finished width of the multi-core parallel adhesive wire 11 (finished diameter of the insulating core wire × the number of insulating core wires).

As shown in FIG. 5, the number of the insulating core wires 2 is N, the finished diameter of the insulating core wires 2 is R, the coating thickness of the adhesive 18 is t, and the distance between the insulating core wires 2 is d. , Recess 23,
When the angle θ between the slopes 23a and 24a of 24 is set, it is preferable to satisfy the following formula. Depth of recess; A <(R + 2t) / 2 Width of bottom of recess; B = (R + d) (N-1) + (R + 2
t) tan θ Width of slope; C = (R + 2t) / tan θ-{(R + 2
t) −A} / tan θ where 20 ° <θ <90 °.

By forming the recesses 23 and 24 satisfying the above formula, the slopes 23 of these recesses 23 and 24 are formed.
a and 24a prevent the expansion of the width of the multi-core parallel bonding wire 11 due to vibration such as running of the insulating core wire 2 before the adjacent insulating core wires 2 are bonded by the adhesive 18, and thus the bonding is insufficient. The 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, 22
By forming the recesses 23, 24 in the insulating core wire 2
Even when the position of each insulated core wire 2 is displaced due to
The multi-core parallel bonding line 11 can be continuously shaped. For this reason,
It is possible to maintain the parallel state of each insulating core wire 2 traveling from the baking furnace 9 to the winding device 7, reliably bond each insulating core wire 2 with the adhesive 18, and improve the dimensional accuracy of the multi-core parallel bonding wire 11. It is possible to improve the quality of the multi-core parallel bonding wire 11. And, when each insulated core wire 2 is run,
Of each insulated core wire 2

The upper roller 21 and the lower roller 2
2 means that the recesses 23 and 24 facing each other are spaced and fixed to the finished diameter (r) of the multi-core parallel bonding wire 11, but the lower roller 22 is fixed, and the weight is placed on the upper roller 21. The multi-core parallel adhesive line may be pushed in by the upper roller 21.

[0024]

As described above, according to the method and apparatus for manufacturing a multi-core parallel adhesive wire of the present invention, a plurality of insulating core wires are aligned in parallel and bonded to the aligned insulating core wires. The multi-core parallel adhesive line is molded by adhering with an agent, and the multi-core parallel adhesive line is run. Then, an adhesive is applied to the insulating core wire, the adhesive is baked on the insulating core wire, and the baked multi-core parallel adhesive wire is shaped by a shaping roller. For this reason,
Even if the running insulation core wires vibrate and the distance between the insulation core wires changes, the spacing between the insulation core wires can be adjusted with the shaping roller, and the dimensional accuracy of the multi-core parallel adhesive wire can be improved. It is possible to improve the quality of the multi-core parallel adhesive line.

Even if the distance between the insulating cores changes, the spacing between the insulating cores can be adjusted by the shaping roller. Therefore, even when vibrations occur during the running of the insulating cores, the multicores can be used. The parallel bonding wire can be shaped, the traveling speed of the insulating core wire can be improved, and the manufacturing speed of the multi-core parallel bonding 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 ... Insulating core wire, 4 ... Wiring jig, 7 ... Winding device, 8 ... Coating device, 9 ... Baking furnace, 10 ... Multi-core parallel bonding wire manufacturing device,
11 ... Multi-core parallel bonding line, 12 ... Bonding device, 14 ... Shaping roller, 18 ... Adhesive.

 ─────────────────────────────────────────────────── ─── 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 insulating core wires are arranged and run in parallel, an adhesive is applied to the aligned insulating core wires, the adhesive is baked onto the insulating core wires, and the baked insulating core wires are shaped. A multi-core parallel adhesive line is formed by shaping the multi-core parallel adhesive line by shaping with a roller. 2. A gluing jig for arranging a plurality of insulating core wires in parallel, and an insulating core wire arranged by the arranging jig is bonded with an adhesive to form a multi-core parallel bonding wire. And a winding device for running a multi-core parallel bonding wire bonded by the bonding device, the bonding device including a baking furnace for baking an adhesive on an insulating core wire, the baking furnace and the wire-alignment treatment. And a coating device which is arranged between the baking device and a winding device and which applies an adhesive to the insulating core wire which is arranged by the wire arrangement jig, and is baked in the baking furnace. And a shaping roller for shaping the formed multi-core parallel adhesive line.