JPH0247828B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an automatic forming device that connects a connector containing a press-contact terminal and an electric wire, and continuously and automatically forms an electric wire with a connector.

"Prior Art" and "Problems to be Solved by the Invention" There are already known examples of the automatic forming apparatus for electric wires with connectors described above. However, such publicly known ones are generally
The structure is such that the connector is connected to the end of a short electric wire with a length of 1500 mm or less, and it is difficult to process long electric wires such as 3000 mm or more.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an automatic forming device that efficiently connects a connector having a pressure contact terminal housed at the end of a long electric wire by pressure contact.

``Means for Solving the Problems'' The present invention that achieves the above objectives includes a sending mechanism that sends out a group of electric wires in parallel in a horizontal line at a required pitch, and a resin film for maintaining the parallel posture attached to the parallel electric wires. A wire feeding section with a film pasting mechanism, a reciprocating wire clamp body that pulls out the wire from the wire feeding section, and a pair of auxiliary rollers at the base and an adjusting scale for raising and lowering the wire pulled out by the wire clamp body. a wire adjustment mechanism that uses rollers to stretch and adjust the length of the wire in an inverted V-shape, and a length cutting section having a cutting section;
It consists of a traveling carriage having a holding claw at the apex of the inverted V-shaped electric wire, and a transfer body that clamps the lower end of the inverted V-shaped electric wire and reciprocates in parallel with the traveling carriage, and the cut electric wire is held in an inverted V-shape. A transfer section that holds and transfers the wire to the pressure welding position for the next process.The main parts are a press-fit press installed at the pressure welding position and a connector magazine, and the pressure contact terminal is attached to the end of the cut wire held in an inverted V shape. It consists of a structure in which the above-mentioned parts are arranged in the above-mentioned permutation, and an automatic control circuit is provided in which the above-mentioned parts are sequentially and continuously operated in cooperation with each other.

"Operation" According to the automatic molding apparatus of the present invention configured as described above,
Groups of wires to be processed are held in an inverted V-shape group by group, cut to length, and connected to connectors in that position by pressure contact, so long groups of wires can be processed efficiently in a narrow space, and wires with connectors can be processed efficiently. can be continuously and automatically formed.

"Example" A detailed explanation will be given below with reference to an example. 1 to 5 showing one embodiment thereof, the illustrated embodiment is an electric wire with a connector that connects connectors 2A and 2B containing pressure contact terminals 3 to both ends of a long electric wire group 1 shown in FIG. An example of automatically molding is shown. Note that a slot portion 7 is cut out in the pressure contact terminal 3, and when the wire 1 is press-fitted from above the connectors 2A, 2B with the cover body 5, the coating of the wire 1 is removed by the edge of the slot portion 7. The electric wire 1 and the pressure contact terminal 3 are connected and conductive through the cut, and the cover body 5 is locked to the connectors 2A and 2B by the locking pieces 6' and 6'', and is covered and locked on the head of the connector. It is designed to look like this.

The automatic forming device of the present invention that automatically forms the above-mentioned electric wires with connectors includes: - an electric wire sending part 10 that pulls out the electric wire group 1 from the electric wire supply part 9, and sends out the wire group 1 horizontally in a row at a required pitch; a length cutting section 11 that receives the wire group 1 from the section 10, stretches the wire group 1 in an inverted V-shape and cuts it to the length using a length adjusting roller 19 that moves up and down; A transfer section 12 that holds the group 1 in an inverted state and transfers it laterally, and a wire group 1 that is provided at a pressure welding station 28 in the middle of the transfer section 12 and that holds the group 1 in an inverted state.
and a press-contact connection section 13 for press-contacting the connectors 2A and 2B, each of which is arranged in combination according to the above-mentioned permutation, and incorporates an automatic control circuit that sequentially and continuously operates in conjunction with each other. There is.

The configuration and operation of each part will be explained in detail below. First, the wire delivery section 10 consists of a straightener 14 for straightening the wires in the wire group 1, a delivery drum 15, and a laminate section 16, as shown in FIGS. Group 1 is wound horizontally in parallel at the required pitch and passed through the straightener 14 to the wire supply section 9.
The required electric wire group 1 is drawn out from the laminate section 16 and sent to the laminate section 16. Then, in the laminating section 16, in order to stabilize the feeding posture of the wire group 1 and maintain the parallel pitch, a thin resin body 8 drawn out from a pair of resin film drums 17 is used.
are heat-welded to desired positions of the wire group 1 as shown in FIG.

That is, the laminate portion 16 and the resin film drum 17 constitute a film adhering mechanism for adhering the thin resin bodies 8 for maintaining the parallel posture of the wire group 1 arranged in parallel at a required pitch.

Note that 18 in the figure is a holding roller that supports the sending wire.

Next, as shown in FIGS. 1 to 8, the length cutting section 11 includes a frame 20 erected in the form of a ladder, and a length adjustment roller 19 that moves up and down accurately in conjunction with a belt conveyor 21 installed in the vertical direction. A pair of auxiliary rollers 22A, 22B provided at both ends of the base of 20
and the cutting section 24 of the wire group 1 located between the laminate section 16 and the frame 20 and provided near the auxiliary roller 22A, and the reciprocating motion between the lower blade section 25 of the cutting section 24 and the auxiliary roller 22B on the other side of the frame 20. A wire clamp body 28 is provided. This adjustment roller 19 and the auxiliary roller 22
A, 22B and the wire clamp body 23 form a wire adjustment mechanism that pulls out the wire group 1 from the wire delivery section 10 and tensions it in an inverted V-shape. Lower blade part 25 in forward position
The ends of the upper wire group 1 are clamped and the wire group 1 is pulled out below the auxiliary rollers 22A, 22B, and then the length adjusting roller 19 waiting at the lower end of the frame 20 rises to adjust the wire group 1. The wire group 1 is stretched in an inverted V shape by the length roller 19 and auxiliary rollers 22A, 22B, and the length of the wire group 1 is accurately adjusted by the upward stroke of the length adjustment roller 19. It is configured to cut one group of electric wires 1 to a required length. Specifically, two thin resin bodies 8 are welded close to each other on the surface of the wire group 1 by the laminate part 16.
is located at both ends of the wire group 1 after cutting, the length adjusting roller 19 temporarily stops at a position 19'' slightly below the measuring position 19' of the required length, and while it is stopped, the wire group 1 After the welding, the adjusting roller 19 connects the laminate part 16 and the cutting part 24
The stroke L' corresponding to the distance L between the two positions is raised secondarily and then stopped. Then, immediately by the cutting section 24,
The two thin resin bodies 8 that moved below the cutting part 24 with the secondary stroke were cut at the middle to have the required length accurately, and the thin resin bodies 8 were welded near both ends of the two thin resin bodies 8. Form wire group 1. In order to avoid interference with the clamp body 23, the auxiliary rollers 22A, 22B and the lower blade portion 25 are provided with a retraction mechanism when the clamp body 23 moves forward and performs a clamping action.

Next, in the transfer unit 12, as shown in FIG. 30 is configured to be able to run freely along the running rail 27. Further, a pair of left and right transfer bodies 32 are provided at the lower part of the frame 20, which reciprocate on a platform 31 in parallel with the traveling carriage 30, and have clamp claws 33 at the front. Auxiliary roller 22A, 2
It is configured to clamp both ends of the wire group 1 near 2B immediately before cutting.

The above traveling cart 30 and transport body 32 are
When the wire group 1 is cut by the length cutting section 11, the upper end of the inverted V-shaped wire group 1 is hooked to the wire holding claw 29 and transferred, and at the same time both lower ends of the wire group 1 are cut. is clamped by the clamp claws 33, the wire group 1 is held in an inverted position and transferred,
Pressure welding station 2 located in the middle of the traveling rail 27
Stops at 8.

Next, as shown in FIG. 4, the pressure welding connection part 13 is connected to a press-fitting press 36 provided above the pressure welding position 35 of the pressure welding station 28, and the connectors 2A and 2B are loaded one by one in succession to the pressure welding position 35.
It consists of a connector magazine 37 that feeds out the connector magazine 37, a parts feeder 38 filled with cover bodies 5, and a suction hand 39 that sequentially applies the cover bodies 5 fed from the parts feeder 38 one by one and feeds them above the pressure welding position 35. Two sets of the above elements are arranged symmetrically so as to be crimped to both ends of the wire group 1 at the same time. Then, the transfer section 1
When the wire group 1 is held in an inverted state by the wires 2 and stopped at the pressure welding station 28, both ends of the wire group 1 clamped by the clamp claws 33 of the transfer body 32 are
Connector 2A supplied to pressure welding position 35,
Stop exactly on 2B. Subsequently, the suction hand 39 that has suctioned the cover body 5 moves forward to supply the cover body 5 onto the wire group 1 at the pressure welding position 35, and then, when the press-fitting press 36 operates, the press-fitting tool 40 at the lower end of the press-fitting tool 40 moves the cover body 5 is pressed to press fit the wire group 1 into the slot portion 7 of the pressure contact terminal 3 in the connectors 2A, 2B, and the cover body 5 is inserted into the connector 2.
An electric wire with a connector is formed by locking the connectors A and 2B and connecting connectors 2A and 2B to both ends of the electric wire group 1.

When the above molding is completed, the pressure welding station 2
The traveling trolley 30 and transport body 32, which were temporarily stopped at 8,
It moves to the terminal end of the transfer section 12, opens the clamp, and relays the connector-equipped wire group 1 to the next process.

The above-mentioned operations are sequentially and continuously performed.

According to the automatic forming apparatus of the present invention described above, the wire group 1 is held in an inverted V-shape, cut to length, and is pressure-connected to a connector, and processing in each process is performed by utilizing the three-dimensional space of the apparatus. For example, it is possible to process extremely long electric wires of 4,000 mm or more, and these long electric wires can be smoothly transferred between processes without trouble and formed in a short takt time, and automatic forming is possible. There are unique effects that can be achieved by a compact device that takes advantage of three-dimensional space.

Further, according to the length adjustment mechanism of the present invention having the above configuration, since the middle of the long electric wire is pushed up and stretched in an inverted V-shape for length adjustment, the length adjustment speed becomes extremely quick, and the length adjustment can be performed by changing the diameter of the wire. This has the advantage that there are few errors and the adjustment accuracy is extremely high.

``Effects of the Invention'' As described above, the automatic forming device of the present invention enables automatic forming of press-fitting a connector to the end of a long electric wire, and also enables such processing to be made compact by utilizing the three-dimensional space. This has been achieved by using a more compact and compact device, which has the effect of improving the productivity of molding electric wires with connectors, as well as making better use of factory space.

[Brief explanation of drawings]

Fig. 1: A plan view showing the configuration of an automatic molding apparatus according to an embodiment of the present invention, Fig. 2: A side view from A in Fig. 1, Fig. 3: A front view showing the transfer section of the embodiment in Fig. 1, Fourth
Figures: Side view showing the press-fit connection part of the embodiment in Figure 1, Figure 5: Showing the electric wire with connector molded in the embodiment in Figure 1, A is a perspective view thereof, B is a front sectional view showing the press-fit connection. . Main symbols: 1: Electric wire, 2A, 2B: Connector,
3: Pressure contact terminal, 5: Cover body, 7: Slot part,
8: Resin thin body, 9: Wire supply section, 10: Wire delivery section, 11: Adjustment cutting section, 12: Transfer section, 13: Pressure connection section, 14: Straightener, 15: Delivery drum, 16: Laminating section , 17: Resin film drum, 19: Adjusting roller, 20: Frame,
22A, 22B: auxiliary roller, 23: wire clamp body, 24: cutting section, 25: lower blade section, 27: running rail, 28: pressure welding station, 29: wire holding claw, 30: running cart, 32: transfer body, 33:
Clamp claw, 35: Press-fit position, 36: Press-fit press, 37: Connector magazine, 38: Parts feeder, 39: Suction hand, 40: Press-fit tool.

Claims (1)

[Scope of Claims] 1. An electric wire sending unit having a sending mechanism that sends out a group of electric wires in parallel in a horizontal line at a required pitch, and a film sticking mechanism that sticks a resin film for maintaining a parallel posture to the parallel electric wires; ● The electric wires A reciprocating electric wire clamp body pulls out the electric wire from the sending part, and the electric wire pulled out by the electric wire clamp body is stretched and adjusted in an inverted V-shape by a pair of auxiliary rollers at the base and a measuring roller that moves up and down. an electric wire adjustment mechanism having a wire length adjustment mechanism, and a length adjustment/cutting section having a cutting section;
It consists of a traveling carriage having a holding claw at the apex of the inverted V-shaped electric wire, and a transfer body that clamps the lower end of the inverted V-shaped electric wire and reciprocates in parallel with the traveling carriage, and the cut electric wire is held in an inverted V-shape. A transfer section that holds and transfers the wire to the pressure welding position for the next process.The main parts are a press-fit press installed at the pressure welding position and a connector magazine, and the pressure contact terminal is attached to the end of the cut wire held in an inverted V shape. An electric wire with a connector characterized by a structure in which the above-mentioned parts are arranged in the above-mentioned permutation, and an automatic control circuit that sequentially and continuously cooperates with each other is provided. automatic molding equipment.