JP3141985B2 - Electric wire transfer device and electric wire transfer method in electric wire processing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire transfer device and an electric wire transfer method in an electric wire processing device used for feeding an electric wire into various terminal processing devices while holding both ends of the electric wire cut to a predetermined length. Regarding improvement.

[0002]

2. Description of the Related Art Japanese Patent Laid-Open Publication No. Sho 55-144672 proposes an electric wire processing apparatus M as shown in FIG. An electric wire processing device M is a wire supply device a that draws out an electric wire from an electric wire reel and measures the length of the electric wire. Reversing device b, a cutting device c for cutting the electric wire W to a predetermined length, a conveying device d for gripping both ends of the cut electric wire W and transferring them to various terminal processing devices, and a conveying device d. Stripping device e for stripping off the insulation coating of the end of the wire W, a detector f for detecting the quality of the stripped state, and a crimping device g for connecting an electrical connector to the end of the wire passing through the detector f. , A detector h for detecting whether or not the connection state is established, and a mounting base i on which these devices are installed.

As shown in FIGS. 6 and 7, a clamp table k having two electric wire clamps j and j 'for gripping both ends of an electric wire W is mounted on an endless chain m as shown in FIGS. By moving the endless chain m intermittently at a predetermined pitch, the clamp table k is sequentially moved to various terminal processing devices, that is, a peeling device e, a crimping device g, and the like.

The predetermined pitch is a pitch at which each of the wire clamps j and j 'gripping both ends of the U-shaped wire W is moved to stop at a predetermined position.
In this way, both ends of the electric wire are positioned with respect to various terminal processing devices, and processing such as peeling and crimping of electrical connectors is performed.

[0005] Therefore, even if it is not necessary to perform the terminal treatment at one end of the electric wire W, the endless chain m is intermittently stopped so that the electric wire clamps j and j 'are always stopped at predetermined positions one by one. The drive must be driven, and the operation of the long and heavy endless chain m is repeatedly stopped. As a result, there is a problem that the power consumption becomes large and the operation speed cannot be increased, so that it is difficult to improve the productivity. are doing.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems.
The clamp base having two electric wire clamps is movably mounted on the clamp support, and the pitch of the intermittent progression of the endless conveyance belt is set to every two electric wire clamps. It is an object of the present invention to provide an electric wire transfer device and an electric wire transfer method capable of adopting an endless transport belt.

[0007]

In order to achieve the above object, an invention according to a first aspect of the present invention provides an electric wire supply device for cutting an electric wire to a predetermined length and supplying the electric wire, and an electric wire for gripping and transferring the electric wire. A wire transfer device in a wire processing device comprising a transfer device and a terminal processing device that performs a process suitable for wiring on a wire terminal, comprising: an endless transport band equipped with a clamp support; and two wire clamps. It consists of a side-by-side clamp table and two stop pins that are arranged side by side at a predetermined position on the mounting table so that the clamp table can be moved freely in the direction of travel of the endless transport band on the clamp support. The body is interposed and urged in the direction of travel of the endless transport zone, and one of the stop pins is projected and abutted against a clamp table that moves with the progress of the endless transport zone, thereby causing any Place one wire clamp It characterized in the regioselectively it has to be Chutome. The electric wire clamp is preferably composed of a pair of opposing openable / closable electric wire gripping claws (claim 2).

According to a third aspect of the present invention, there is provided an electric wire transfer method, wherein the two electric wire clamps of the electric wire transfer device according to the first or second aspect respectively hold both ends of the electric wire so as to advance the endless transport belt. One stop pin is protruded and abutted against the clamp base that moves along with the clamp base, so that the clamp base is stopped, one wire clamp is parked at a predetermined position, and then the other stop pin is protruded. In addition, by immersing one of the stop pins, the clamp base is moved by the restoring force of the elastic body so that the other wire clamp is parked at a predetermined position.

[0009]

Embodiments of the present invention will be described below. FIG. 1 is a front view showing a main part of an electric wire transfer device A according to an embodiment of the present invention, and FIG. 2 is a side view thereof. The electric wire transfer device A includes an endless transport band 1 formed of an endless chain, a plurality of clamp supports 2 attached to the endless transport band 1 at appropriate intervals, and the endless transport band 1 traveling with respect to the clamp support 2. It comprises a clamp table 3 movably mounted in each direction, and two stop pins 5, 5 'arranged side by side on a mounting table 4 provided near the electric wire processing apparatus.

The endless transport belt 1 is driven by rotation of sprockets (not shown) arranged at left and right ends,
It is installed so as to proceed intermittently in the direction of the arrow based on a signal from the control device. The clamp support 2 is connected to the endless transport belt 1 at the center of the flat substrate 6,
Both sides of the substrate 6 are mounted so as to move along the grooves 7a, 7a 'of the guide plates 7, 7' arranged on both sides of the endless transport belt 1. A support plate 9 is erected substantially vertically on the substrate 6, and a guide groove 8 for mounting the clamp table 3 is formed in the support plate 9 so as to be recessed in parallel with the endless transport band.

[0011] The clamp table 3 is composed of opposing holding plates 10, 1
Two wire clamps 11, 11 'are accommodated between 0'. One of the electric wire clamps 11 has a pair of opposing electric wire gripping claws 13, 13, and 1 provided rotatably around supporting points 12, 12 ′ provided on holding plates 10, 10 ′.
3 'and 13' so as to grip the electric wire inside the electric wire gripping claws 13 and 13 (13 'and 13').

At the outer periphery of the electric wire gripping claws 13, link connecting holes 13 a are provided.
a and 13a are connected to each other by a link including opening and closing rods 14, 14 and a driving rod 15. The electric wire gripping claws 13 are opened and closed by driving the drive pin 15a projecting from the drive rod 15 up and down. Similarly, the electric wire gripping claws 13 ', 13' of the other electric wire clamp 11 'also have opening / closing rods 14' connected to the link coupling holes 13a ',
It is opened and closed by a drive rod 15 'and a drive pin 15a'.

A ridge-shaped guide projection 16 is attached to the holding plate 10 of the clamp base 3. The guide base 16 is fitted into the guide groove 8 of the clamp support 2, so that the clamp base 3 is clamped. It is attached to the support 2 so as to be movable in the direction of travel of the endless transport band 1. The holding plate 10 has a locking projection 17 supporting one end of a spring 18 as an elastic body.
Is provided, and the other end of the spring 18 is engaged with a support projection 19 provided on the support plate 9 of the clamp support 2 so that the clamp table 3 is urged in the traveling direction of the endless transport band 1 (in the direction of the arrow). It is mounted to be.

The mounting base 4 has an electric wire clamp 11 or 1
In order to position 1 ′ with respect to a terminal processing device such as a wire peeling device or a crimping device for crimping an electric connector, two stop pins 5 and 5 ′ are attached to the holding plate 10 It is juxtaposed at the position where it abuts. Stop pin 5,
5 'is connected to the air cylinders 20, 20',
Projection or immersion is performed at any time by a signal from a control device (not shown).

Next, the operation of the clamp base 3 and the stop pins 5, 5 'for holding the wire clamp 11 or 11' at a predetermined position in the wire transfer process will be described.
In the actual wire transfer process, the wire clamp 11,
Although the electric wire is gripped and transferred by 11 ', the operation of the clamp table 3 and the stop pins 5, 5' is irrelevant to the electric wire gripping, so that the description of the electric wire gripping is omitted.

In the initial state, that is, in the state where the stop pins 5 and 5 ′ are not protruded, the clamp table 3 is constantly urged in the traveling direction of the endless transport belt 1 by the spring 18, On the other hand, it is located at the leftmost end (see FIG. 4). While maintaining this state, the clamp support 2 and the clamp table 3 move in the direction of the arrow as the endless transport band 1 advances.

When one of the electric wire clamps 11 is to be stopped at the position of the terminal processing device S shown in FIG. 3, the stop pin 5 is protruded before the clamp base 3 reaches the position of the terminal processing device S. Keep it. When the clamp table 3 approaches the stop pin 5 and abuts with the stop pin 5 as the endless transport band 1 advances, the clamp table 3 is stopped by the stop pin 5 and stops. Continue moving. The advance of the endless transport belt 1 is set to stop in a state where the clamp table 3 is relatively moved toward the right end of the clamp support 2. At this time, the spring 18 is held in an extended state.

Next, as shown in FIG. 4, when the other stop pin 5 'is protruded and the stop pin 5 is retracted, the abutment between the clamp table 3 and the stop pin 5 is released, and the spring 18 contracts. Then, the clamp base 3 is pulled back toward the left end of the clamp support 2 and stops against the other stop pin 5 '. As a result, the other wire clamp 11 'is positioned with respect to the terminal processing device S.

The movement of the clamp table 3 at this time is performed in a state where the endless transport belt 1 is stopped. Therefore,
During each intermittent advance of the endless transport belt 1, it is possible to perform terminal treatment of both ends of the electric wire gripped by the wire clamps 11 and 11 ', and the frequency of driving / stopping the endless transport belt 1 Can be reduced by half, and productivity is remarkably improved.

After the end of the electric wire gripped by the other electric wire clamp 11 'is processed, the abutment with the clamp base 3 is released by immersing the other stop pin 5' and the endless The progress of the transport belt 1 is resumed and the clamp table 3
Is transferred to the next step. In addition, it is also possible to selectively perform terminal processing only on one end of the electric wire as needed.

[0021]

According to the present invention, a clamp base having two electric wire clamps is movably mounted on a clamp support via an elastic body, and one of the electric wire clamps is clamped by projecting a stop pin. Since the positioning is performed, the pitch of the intermittent progression of the endless transport zone can be set to one clamp table, that is, once every two electric wire clamps holding both ends of the electric wire. Therefore, the productivity of the terminal treatment is remarkably improved as compared with the case where the intermittent advance is performed at one end of the electric wire, that is, at the pitch of one electric wire clamp, and the intermittent advance even when a long endless chain is used. Is possible, so that various types of terminal processing can be performed. In addition, since the positioning of the wire clamp is performed by the stop pin, there are many advantages such as improved positioning accuracy and fine terminal processing.

[Brief description of the drawings]

FIG. 1 is a front view showing a main part of an electric wire transfer device according to an embodiment of the present invention.

FIG. 2 is a side view of the electric wire transfer device of FIG.

FIG. 3 is an explanatory view showing a state in which one of the electric wire clamps in FIG. 1 is positioned in a terminal processing device.

FIG. 4 is an explanatory diagram showing a state in which the other electric wire clamp of FIG. 1 is positioned in a terminal processing device.

FIG. 5 is a perspective view showing a conventional electric wire processing apparatus.

FIG. 6 is an explanatory diagram showing a state in which the electric wire clamp of FIG. 5 is positioned in various terminal processing devices.

FIG. 7 is a front view showing the structure of the electric wire clamp of FIG. 6;

[Description of References] A Wire transfer device 1 Endless transport band 2 Clamp support 3 Clamp table 4 Mounting table 5, 5 'Stop pin 11, 11' Wire clamp 13, 13 'Wire gripping claw 18 Elastic body

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 43/048 H01R 43/052

Claims (3)

(57) [Claims] An electric wire supply device that cuts and supplies an electric wire to a fixed length, an electric wire transfer device that grips and transfers the electric wire,
An electric wire transfer device in an electric wire processing device, comprising: a terminal processing device that performs a process suitable for wiring on an electric wire terminal, wherein the endless transport band equipped with a clamp support and a clamp in which two electric wire clamps are juxtaposed. A clamp and two stop pins arranged side by side at a predetermined position on the mounting table so that the clamp table can move freely in the traveling direction of the endless transport band on the clamp support and an elastic body is interposed. By urging in the direction of travel of the endless transport band and projecting one of the stop pins against a clamp table that moves with the progress of the endless transport band to make abutment, any one of the wire clamps Is selectively parked at a predetermined position. 2. The electric wire transfer device according to claim 1, wherein the electric wire clamp comprises a pair of opposing openable / closable electric wire gripping claws. 3. The electric wire transfer device according to claim 1, wherein the two electric wire clamps respectively hold both ends of the electric wire, and one stop is provided to a clamp table which moves as the endless transport belt advances. By protruding and abutting the pins, the clamp base is stopped, one wire clamp is parked in a predetermined position, and then the other stop pin is protruded and one stop pin is immersed. An electric wire transfer method in an electric wire processing device, wherein the clamp base is moved by a restoring force of an elastic body so that the other electric wire clamp is parked at a predetermined position.