JP3449882B2 - Vertical attachment device for electric wire tape - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for vertically attaching a tape for electric wires, and more particularly to an improvement of a die for a device for vertically attaching a shield tape for flat electric wires.

[0002]

2. Description of the Related Art As a conventional device for vertically attaching a tape for electric wires, those shown in FIGS. 15 to 18 are known. The conventional wire tape vertical attachment device shown in FIG.
It is disclosed in Japanese Utility Model Publication No. 56-112726. In this device, first, second, and third dies 72, 73, and 74 are arranged at intervals along the traveling direction (arrow) of the tape 71. The first die 72 has a tapered hole whose inner diameter decreases in the tape advancing direction, and the inner diameter is selected to be larger than the tape width / π.

The inner surfaces of the second and third dies 73 and 74 are conical or linear. First die 7
The distance between the two dice 72 and 73 is set so that both edges 71a and 71b of the tape 71 intersect each other. Both tape edges 71a, 71b
Immediately before the tape advancing direction at the intersection point 75, a tape edge step such as a spatula is provided between the first and second dies 72 and 73 so that one tape edge 71b is downward and the other tape edge 71a is upward. A tool 76 is provided.

In the above-mentioned wire tape vertical attachment device, the tape 71 is gradually rounded while passing through the inside of the first die 72, and both tape edges 71a and 71b are overlapped at the entrance of the second die 73. To be done. The tape edge 71b is pushed down by the tape edge step imparting tool 76 so that one tape edge 71b is below the other tape edge 71a at a position just before the two tape edges 71a and 71b intersect each other. A step is forced.

Next, a conventional device for vertically attaching a shield tape for electric wires shown in FIGS. 16 to 18 is disclosed in Japanese Patent Laid-Open No. 4-6171.
This is disclosed in Japanese Patent Publication No. In this device, a conductor 81 such as an electric wire and a conductor insulated by an insulator 82 are wound with a shielding tape 83. The tape forming jig 84 of this device is provided with a semi-circular opening 65 on the electric wire and tape inlet side. It is formed by having a spiral opening 86 on the outlet side, which makes both ends of the tape 83 spiral.

Since the conventional device is constructed as described above, a plurality of conductors are inserted in parallel from the inlet side of FIG. 16 and the tape 83 is inserted so as to wrap them. On the outlet side, forming is performed by fitting the tape 83 to the spiral outlet shape. In this device, the tape can wrap around a plurality of cores without causing the tape forming disorder, so that the reliability of the shield effect can be ensured.

[0007]

However, as shown in FIG.
In the conventional device for vertically attaching a tape for electric wires shown in Fig. 3, since a plurality of dies 72, 73, 74 are integrally formed, high precision is required, and it takes a lot of time and cost to manufacture the tape. Since it is necessary to provide the edge step imparting tool 76, there is a problem that the adjustment of the mounting position of the tape edge step imparting tool is troublesome.

Further, the conventional device for vertically attaching a shield tape for electric wires described with reference to FIGS.
Since the curved groove in which the internal shape of 4 is complicatedly curved gradually changes from the inlet side to the outlet side and is integrated, it is extremely difficult to manufacture, and it takes more time to manufacture. There was a problem that it cost money.

An object of the present invention is to provide an electric wire tape vertical attachment device capable of automatically and highly accurately performing the electric wire tape vertical attachment step and reducing the manufacturing cost of each die. is there.

[0010]

The above object of the present invention is to provide a tape vertical attachment device for an electric wire, which vertically attaches a tape to the outer circumference of a plurality of electric wires covered with an insulating material along the length direction of the electric wires. In, the plurality of dies having different inner molds in the wire drawing direction are provided in series so that the shapes of the adjacent inner mold groove portions are continuous, and each of the plurality of dies has an upper mold member and a lower mold. It is possible to solve the problem by an electric wire tape vertical attachment device, characterized in that the upper die member and the lower die member are provided with different partial dies on respective mating surfaces formed of the upper die member and the lower die member. .

In the electric wire tape vertical attachment device having the above-mentioned structure, the plurality of dies are provided with different inner dies, and the inner dies are arranged in series so that the formed groove portions are continuous. It is possible to automatically and accurately perform vertical tape attaching processing. Further, by dividing each of the plurality of dies into an upper die member and a lower die member, the die can be easily manufactured, and the manufacturing cost can be reduced.

Another object of the present invention is to provide a device for vertically attaching a tape for electric wires as described above, wherein the plurality of dice vertically attach both ends of the tape vertically attached to the plurality of electric wires to both sides of the electric wire. A first die that is started along the wire and one end of the tape that is vertically attached to the electric wire are attached to the outer circumference of the electric wire, and the other end is started along the outside of the electric wire. This can be solved by comprising the second die and the third die that overlaps the other end of the tape vertically attached to the electric wire with the one end on the outer circumference of the electric wire.

In the above-described device for vertically attaching a tape for electric wires, the step of vertically attaching the tape to the electric wire includes a step of raising both end edges of the first tape to both sides of the electric wire and one end edge of the second tape. Along the outer circumference of the electric wire, and the other edge is raised along the outer side of the electric wire, and the third other edge is added to the outer circumference of the electric wire and overlapped on the one end. It is done in stages. Therefore, it is possible to smoothly perform the tape vertical processing of the electric wire, and it is possible to perform the processing efficiently and automatically and with high accuracy.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a device for vertically attaching a tape for electric wires according to the present invention will be described in detail with reference to FIGS. FIG. 1 is an exploded perspective view of a pair of dies showing an embodiment of an apparatus for vertically attaching an electric wire tape according to the present invention. FIG. 2 is a plan view of an upper die member of the first die in FIG. 1 is a plan view of the lower die member of the first die in FIG. 1, FIG. 4 is a plan view of the upper die member of the second die in FIG. 1, and FIG. 5 is a plan view of the lower die member of the second die in FIG. 6 is a plan view of the upper die member of the third die of FIG. 1, and FIG. 7 is a plan view of the lower die member of the third die of FIG.

FIG. 8 is an overall layout view of the electric wire tape vertical attachment device of the present invention, and FIG. 9 shows an electric wire and tape processed by the first die of the electric wire tape vertical attachment device of the present invention. Sectional drawing, FIG. 10 is a sectional view of an electric wire and tape processed by the second die of the vertical attachment device for electric wire tape of the present invention, and FIG. 11 is a third die of the vertical attachment device for electric wire tape of the present invention. FIG. 12 is a sectional view showing a state in which the electric wire and the tape are processed in the first die in the vertical attachment device for the electric wire tape of the present invention, and FIG. Sectional drawing which shows the state which the electric wire and the tape are processed in the 2nd die in the vertical attachment device of the electric wire tape of this invention, FIG. 14 is the 3rd die in the vertical attachment device of the electric wire tape of this invention. Wire and tape are processed at It is a sectional view showing a state in which have been.

As shown in FIG. 1, the electric wire tape vertical attachment device 1 of the present embodiment is composed of a set of three dies 2, 20 and 40 each having a different inner die. The dies are arranged in series on the table so that different inner molds are continuous at appropriate intervals.

The pair of dies 2, 20 and 40 are divided into an upper die member and a lower die member, respectively. The mating surfaces of the upper die member and the lower die member are different depending on the dice, and the upper die member and the lower die member have upper and lower die members, respectively. A partial mold is formed which becomes one inner mold when the two mold members are combined. The first die 2 is an upper die member 3
And a lower mold member 4, and partial molds are formed on the mating surfaces 5 and 6 of the upper mold member and the lower mold member, respectively.
As shown in FIG. 2, the partial mold 7 of the upper mold member 3 has a mating surface 3
A tapered bulge 11 having a constant height and a wide width at the wire insertion side end surface 9 and a narrowest width at the wire outlet side end surface 10.
Is provided, and the groove 12 is provided in the bulging portion. The groove has a constant width and a size that allows two wires to pass in a parallel state, and the depth is constant at a part on the wire outlet side, and the other part is the most at the wire insertion side. It is formed to incline deeply.

As shown in FIG. 3, the partial mold 8 of the lower mold member 4 has a constant depth from the mating surface 6 so that the bulging portion 11 of the upper mold member 3 can be fitted and the end face of the wire insertion side. 9 has the widest width, and the wire outlet side end face 10 has a tapered groove portion 13 having the narrowest width. The first die 2 has a bulge portion 11 of the upper mold member 3 and a groove portion 1 of the lower mold member 4 in a state where the upper mold member 3 and the lower mold member 4 are superposed on each other at the mating surface.
A gap through which the tape can pass is formed between the respective surfaces of 3.

The second die 20 is composed of an upper die member 21 and a lower die member 22, and the mating surfaces 23 and 24 of the upper die member and the lower die member are a set of both die. A partial mold that is an inner mold is formed. As shown in FIG. 4, the partial mold 25 of the upper mold member 21 has a constant width, a constant depth at a part on the wire exit side of the mating surface 23, and a deeper depth at the other part. The groove portion 28 that is most deeply inclined is formed on the end surface 27 on the wire insertion side. The groove 28 has a depth along one inner surface of the groove that is the same as the deepest portion of the groove 28 on the wire insertion side up to the wire outlet side end surface 29 and has an appropriate width. And a narrow second groove portion 30 is formed. Also, FIG.
As shown in FIG. 5, the partial mold 26 of the lower mold member 22 is formed with a groove 31 having a constant width and a constant depth. The groove portion 31 is formed so as to have the same width as the tapered groove portion 13 formed in the lower die member 4 of the first die 2 at the electric wire outlet side end face 10.

The third die 40 is composed of an upper die member 41 and a lower die member 42, and the mating surfaces 43 and 44 of the upper die member and the lower die member are set as a set of both die. A partial mold that is an inner mold is formed. As shown in FIG. 6, a groove 49 is formed in the partial mold 45 of the upper mold member 41. The groove 49 has a constant width and a depth of the mating surface 4
3, the part of the entire width closer to the wire outlet side end face 48 and the narrow width part along the one side face 51 in the groove to the wire insertion side end face 47 are constant, and the depth of the other part becomes deeper. And is formed so as to be inclined most deeply at the wire insertion side end face 47. In addition, as shown in FIG.
A groove 50 is formed in the partial mold 46. The groove 5
0 has a constant width and a constant depth. The groove 50 has the same width and depth as the groove 31 formed in the partial mold 26 of the lower mold member 22 of the second die 20.

A device 1 for vertically attaching a tape for electric wires according to the present embodiment
Each of the plurality of dies 2, 20 and 40 has an inner die having the above-described configuration. The wire and the shield tape are pulled into the dies 2, 20, 40 arranged in series by a take-up device. As shown in FIG. 8, at the position A after passing through the first die 2, the processing state of the shield tape 62 for the plurality of electric wires 61, 61 becomes as shown in FIG. 9, and the both ends of the shield tape 62 are insulated. Material 63
It is erected on both sides of the plurality of electric wires 61, 61 covered with. Next, as shown in FIG. 8, the electric wire and the shield tape are moved to the next position, and at the position B after passing through the second die 20, the state as shown in FIG. The other edge is raised at the side of the wire along the outer circumference of the wire. Next, as shown in FIG. 8, the electric wire and the shield tape are moved to the next position, and at the position C where the third die 40 has passed, the state shown in FIG. The electric wires 61, 61 are superposed on one edge along the outer circumference.

A plurality of dice 2, 20, 4 of this embodiment
12 shows that the processed state of the electric wire 61 and the shield tape 62 in each die of 0 is that the shield tape 62 is flat at the insertion port at an appropriate position in the first die 2. In this way, both edges gradually rise while being curved by the curved surface of the groove of the lower mold member 4. Also, at an appropriate position after exiting the second die 20, as shown in FIG. 13, the shield tape 62 has one end edge of the electric wires 61, 61 due to the partial die 25 of the upper die member 21 of the second die.
Is attached to the outer periphery of the mold, and the other edge is held in the raised state by the narrow groove 30 in the partial mold 25. At an appropriate position out of the third die 40, as shown in FIG. 14, the shield tape 62 is formed by the partial die 45 of the upper die member 41 of the third die 40 so that the other end of the shield tape 62 is covered with the electric wires 61, 61. Attached to the perimeter and overlaid on one edge.

As described above, the device 1 for vertically attaching the tape for electric wires according to the present embodiment is configured such that a plurality of electric wires 61 arranged in parallel are pulled in a predetermined direction by an electric wire take-up device (not shown) so that the inner mold is formed in the take-up direction. A plurality of dies 2, 20 and 40 having different shapes are provided in series so that the shapes of the groove portions 12, 28 and 49 are continuous, and the dies 2, 20 and 40 are connected to the upper die members 3, 21 and 41, respectively. It is divided into lower mold members 4, 22 and 42, and a mating surface 5 of each upper mold member and lower mold member 5,
By providing different partial molds 7, 8, 25, 26, 45, 46 to 6, 23, 24, 43, 44, respectively, it is possible to automatically carry out vertical attachment processing of the shield tape for a plurality of electric wires. , The die can be easily manufactured.

That is, the shield tape 62 undergoes a step of raising both end edges of the electric wire 61 in the first die 2, and then, in the second die 20, one end edge of the electric wire 61 is raised.
The step of holding the other end edge in a raised state is performed, and finally, in the third die 40, the step of overlapping the other end edge with one end of the outer circumference of the electric wire 61 is performed. Done. Therefore, since the vertical attaching process of the shield tape is divided into each step and is performed step by step, the vertical attaching process of the beautiful tape can be automatically performed with high precision without causing both ends of the shield tape to be abutted or broken. Since each die is divided into an upper die member and a lower die member, the die production can be further facilitated.

[0025]

As described above, in the device for vertically attaching electric wire tape according to the present invention, a plurality of dies having different inner dies in the wire drawing direction are connected in series so that the shapes of the adjacent inner die grooves are continuous. manner provided, each of the plurality of dies are divided into an upper mold member and a lower mold member, subtype which differs each mating surface is provided which is formed on each of the upper mold member and a lower mold member . Therefore, it is possible to automatically and accurately perform vertical tape attaching processing for a plurality of electric wires, and it is possible to easily manufacture the die, so that the manufacturing cost can be reduced.

Further, the plurality of dies vertically raises both end edges of the tape vertically attached to the plurality of electric wires along both sides of the electric wire, and one end of the tape vertically attached to the electric wire. A second die that puts the edge along the outer circumference of the wire and raises the other edge along the outside of the wire, and the other edge of the tape vertically attached to the wire to one edge of the outer circumference of the wire. It is composed of a third die stacked on top. Therefore, it is possible to perform the tape vertical attachment process of the electric wire smoothly,
Further, it is possible to efficiently and automatically perform highly accurate machining.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of an apparatus for vertically attaching a tape for electric wires according to the present invention.

FIG. 2 is a plan view of an upper die member of the first die shown in FIG.

FIG. 3 is a plan view of a lower die member of the first die shown in FIG.

FIG. 4 is a plan view of an upper die member of the second die shown in FIG.

5 is a plan view of a lower die member of the second die shown in FIG. 1. FIG.

6 is a plan view of an upper die member of the third die shown in FIG. 1. FIG.

7 is a plan view of a lower die member of the third die shown in FIG. 1. FIG.

FIG. 8 is an overall layout view of a device for vertically attaching an electric wire tape according to the present invention.

9 is a cross-sectional view of an A portion of the electric wire and the tape processed by the first die in FIG.

10 is a sectional view of a portion B of the electric wire and the tape processed by the second die in FIG.

11 is a cross-sectional view of a portion C of the electric wire and the tape processed by the third die in FIG.

FIG. 12 is a cross-sectional view of the electric wire and the tape in the first die in the device for vertically attaching the electric wire tape according to the present invention.

FIG. 13 is a cross-sectional view of the electric wire and the tape in the second die of the apparatus for vertically attaching the electric wire tape according to the present invention.

FIG. 14 is a cross-sectional view of the electric wire and the tape in the third die of the electric wire tape vertical attachment device of the present invention.

FIG. 15 is an overall layout view of a conventional vertical attachment device for electric wire tape.

FIG. 16 is a perspective view showing a processed state of another conventional vertical attachment device for electric wire tape.

FIG. 17 is a side view of the die of FIG. 16 on the wire insertion side.

FIG. 18 is a side view of the die of FIG. 16 on the electric wire outlet side.

[Explanation of symbols] 1 Tape vertical attachment device 2 First Dice 3, 21, 41 Upper mold member 4, 22, 42 Lower mold member 5, 6, 23, 24, 43, 44 Mating surface 7, 8, 25, 26, 45, 46 Partial type 12, 13, 28, 31, 49, 50 Groove 20 Second Dice 40 Third Dice 61 electric wire 62 shield tape

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-48-95573 (JP, A) real-open Sho-56-112726 (JP, U) real-open Sho-54-114076 (JP, U) real-open Sho-49- 62179 (JP, U) JP 60-32289 (JP, B2) (58) Fields investigated (Int.Cl. ⁷ , DB name) H01B 13/00-13/34

Claims (2)

(57) [Claims] 1. A tape vertical attachment device for an electric wire, comprising a plurality of electric wires covered with an insulating material, which are vertically attached with tape along the lengthwise direction of the electric wires. The dice are adjacent
Each of the plurality of dies is divided into an upper die member and a lower die member, and each of the upper die member and the lower die member is provided in series so that the shapes of the inner die groove portions are continuous. A vertical attachment device for electric wire tape, wherein different mating surfaces are provided on the mating surfaces to be formed. 2. A first die for vertically arranging both edges of a tape vertically attached to a plurality of electric wires by the plurality of dies, and one of the tape vertically attached to the electric wire. End of the wire is attached to the outer periphery of the electric wire, and the other end of the second die is set up along the outside of the electric wire, and the other end of the tape vertically attached to the electric wire is attached to the outer periphery of the electric wire. The tape vertical attachment device for an electric wire according to claim 1, characterized in that it is constituted by a third die which is superposed on one edge of the wire.