JPS6136354B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for connecting a connector and a wire, and more particularly to a wire collective pressure welding device that can connect a large number of wires at once.

Connectors for connecting electronic components or wiring patterns mounted on the printed board to external cables are provided on printed boards constituting various electronic devices. This printed board side connector has a number of male contacts arranged in a line that corresponds to the number of wires to be connected, whereas the external cable side connector has female contacts that correspond to each male contact on the printed board side. Each female contact is connected to a respective wire end of the external cable inside the connector. This external cable side connector consists of a connector body and a cover having a large number of female contacts, and the exposed end of the coated wire of the external cable is joined to the tip of each female contact (on the opposite side of the connecting end with the male contact). The cover is joined from above to hold the coated wire between the connector body and the cover. The work of stripping the ends of the coated wires of such external cables or the work of joining each wire to a contact is extremely troublesome and requires a lot of effort in manufacturing the connector.

The present invention has been made in view of the above points, and it is an object of the present invention to provide a pressure welding device for connecting wires and connectors, which can connect a large number of separate coated wires to a connector at once without stripping the coated wires. purpose. Therefore, the wire bundle press-welding device for a connector according to the present invention includes a connector body having a large number of contacts having cutout grooves formed at the tips for removing the coating of the coated wire and press-fitting the internal wires, and a connector body that is coupled onto the connector body. A device for connecting the coated wire to a connector comprising a cover for holding the coated wire on the connector main body, the device comprising: a first and a second comb tooth base each having a large number of wire holding comb teeth; A vertically movable cover holding stand for supporting the cover is provided, a pressure welding head equipped with a cutter is disposed above the cover holding stand so as to be vertically movable, and the first and second
One of the comb-tooth bases can approach and leave the cover-holding base; when this comb-tooth base moves away from the cover-holding base, the cover-holding base rises, and when this comb-tooth base approaches the cover-holding base, the cover-holding base rises. It is configured to descend.

Embodiments of the present invention will be described below based on the drawings. FIG. 1 is an external view of a closed-end connector in which a connector is provided at the end of the cable, and FIG. 2 is a sectional view showing a joint between the connectors. The cable side connector is a female connector, and has a connector body 17 having a number of jack holes 15 (Fig. 1).
Each coated wire 20 constituting the cable 21 is held between the cover 18 and the cover 18 . Connector body 17
Female contacts 16 correspond to each jack hole 15 of
(Fig. 2) is provided. This female contact 16
As shown in FIG. 3, a cutout groove 16a is formed at the tip of the coated wire 2.
0 digs in and the outer coating is removed and the inner wire 2
0a and the female contact 16 come into pressure contact. A protective wall 19 (FIG. 2) is formed to protrude from the cover 18 so that the end face of the wire 20 is not exposed. Such a cable side connector is connected to the printed board 12.
(FIG. 2) is connected to the printed board side connector 13 above, and each male contact 14 of the printed board side connector 13 is connected to the corresponding female contact 16 of the cable side connector.

A fourth wire bundle pressure welding device for connecting the coated wire 20 to the cable side connector as described above is installed.
As shown in the figure. A first comb tooth stand 6 and a second comb tooth stand are mounted on the support stand 1.
The comb tooth stands 7 are arranged facing each other so that the comb teeth 6a and 7a are aligned with each other. Connector cover 18 (Fig. 1, 2
A cover holding stand 8 is installed for mounting and holding the cover (see Fig.). This cover holding stand 8 is attached to a second
It can be moved up and down in conjunction with the comb tooth stand 7. A lever 9 is rotatably attached to the end of the support base 1 as shown by arrow A. A cam 10 is provided at the end of the lever 9 on the rotating shaft side. This cam 10 engages with the second comb tooth base 7 through the hole 11 of the support base 1. A pressure contact head 4 equipped with a cutter 5 is disposed above the cover holding table 8 in a detachable manner and movable in the vertical direction. One end of this pressure welding head 4 is pivotally connected to one of the two columns 2 provided on the support base 1 and can be rotated as shown by arrow B, and the other end is configured to be detachable from the other column 2. . Each post 2 is provided with a spring 3 that presses the pressure contact head 4 upward.

Next, with reference to FIG. 5, a wire connection process using the above-mentioned connector wire bundle pressure welding device will be explained in order. First, when the lever 9 is placed at the rear (the solid line position in Fig. 4) as shown in Figure A, the second comb tooth stand 7 approaches the cover holding stand 8 side by a spring means (not shown), and the cover holding stand 8 moves to the second comb tooth stand. It is in the lowered position where it is fitted into the recess 7b of No.7. The pressure contact head 4 is placed in a position away from the top of the cover holder 8 as shown in FIG. 4, and the cover 18 is attached to the cover holder 8 in this state. Next, as shown in figure b, each coated wire 20 of the cable 21 is
A, 7a are arranged in parallel in the longitudinal direction of the sandwiching covers 18. The pressure contact head 4 is rotated and placed on the upper part of the cover holder 8. At this time, the cutting edge of the cutter 5 of the pressure welding head 4 is in a position aligned with the end side surface of the first comb tooth base 6. Next, press the pressure welding head 4 as shown in figure c.
is pressed down against the spring 3 (FIG. 4) in the direction of arrow C using a press machine (not shown) or the like, and the coated wire 20 is cut by the cutter 5. Next, as shown in Figure d, when the lever 9 is placed on the front side (the dotted line position in Figure 4), the cam 10 presses the second comb tooth base 7 and the second
The comb tooth stand 7 separates from the cover holding stand 8, and at the same time, the cover holding stand 8 separates from the concave portion 7b of the second comb tooth stand 7 and assumes the raised position. At this time, the coated wire 20
moves to the right side of the figure while being held by the comb teeth 7a, and its end face is located inside the protective wall 19 of the cover 18, and the end of the covered wire 20 is supported on the cover 18. The pressure welding head 4 is released from the upper part of the cover holding stand 8. Next, as shown in Fig. e, place the connector main body 7 on the cover 18 with the contact projections facing down. At this time, the notch groove 16a of each contact 16
The connector body 17 is arranged so that the wire (FIG. 3) is located on the corresponding coated wire 20. Next, as shown in Fig.
The connector main body 17 is pressed down against the spring 3 (FIG. 4) using a press machine (not shown) or the like in the direction of arrow C to connect the connector main body 17 to the cover 18 side. At this time, the notch groove 16a at the tip of each contact 16 of the connector body 17 removes the covering of the covered wire 20 and is electrically connected to the internal wire 20a (see FIG. 3). After completing the connection by sandwiching the covered wire 20 between the cover 18 and the connector body 17 in this way, the pressure welding head 4
Miss it again and take out the completed body.

By using the wire bundle pressure welding device for connectors as described above, it is possible to simultaneously connect a large number of wires at once and complete a connector without stripping the coated wires.

In the above embodiments, a closed-end type connector has been described, but the present invention is also applicable to a through-end type connector in which a connector is provided in the middle of a wire. Figure 7 shows an external view of the through-end type connector. The cover 18' is not provided with a protective wall. In this case, first, as shown in Figure A, the lever 9 is placed in front, the cover holding base 8 is placed in the raised position, and the cover 18' is mounted. Next, the coated wire 20 is sandwiched between the comb teeth 6a and 7a as shown in Figure b. Next, cover 18' as shown in figure c.
Place the connector body 17 on top of the covered wire 20. Next, as shown in FIG. Main body 17
Each contact and the internal wire of the coated wire 20 are electrically connected. At this time, the cover holding stand 8
Since the cutter 5 is in the raised position, the cutter 5 does not reach the covered wire 20 when the pressure welding head 4 is pressed down.

[Brief explanation of the drawing]

Figure 1 is an external view of a closed-end connector.
Fig. 2 is a sectional view of the connector, Fig. 3 is a detailed view of the tip of the contact, Fig. 4 is an external view of the wire clamping device for connectors according to the present invention, and Figs. 5 a to f are usage of the device of the present invention. 6A to 6D are sectional views sequentially showing different states of use of the device of the present invention, and FIG. 7 is an external view of the through-end type connector. 4... Pressure welding head, 5... Cutter, 6... First comb tooth stand, 7... Second comb tooth stand, 6a, 7a... Comb tooth, 8... Cover holding stand, 16... Contact,
17...Connector body, 18...Cover, 20...
...Sheathed wire, 21...Cable.

Claims (1)

[Claims] 1. A connector body having a large number of contacts with cutout grooves formed at the tips for removing the sheathing of the coated wire and press-fitting it to the internal wire, and a connector body that is coupled onto the connector body to hold the coated wire on the connector body. A wire bundle press-welding device for a connector for connecting the above-mentioned covered wire to a connector consisting of a cover for a connector, wherein the car is supported between first and second comb-tooth stands each having comb teeth for holding a large number of wires. A cover holder is provided which is movable up and down for the purpose of removing the cover, and a pressure welding head equipped with a cutter is disposed above the cover holder so as to be movable up and down.
One of the second comb tooth bases can approach and leave the cover holding base, and when the comb tooth base moves away from the cover holding base, the cover holding base rises, and when the comb tooth base approaches the cover holding base, the cover is held. Wire bundle pressure welding device for connectors configured so that the stand descends.