JPH04277411A - Electric wire feeding method for electric wire processing device - Google Patents

Abstract

PURPOSE:To accurately feed an electric wire from a first clamp to a second clamp without hindering the machining process the electric wire by means of a cutter. CONSTITUTION:The machining proces of an electric wire 10 by meanss of a cutter 100 can be smoothly performed in such a way that a first clamp 90 is located at the opposite side to a second clamp 110 with the cutter 100 located between there, the feed of the electric wire 10 from the first clamp 90 to the second clamp 110 can be accurately performed in such a way that the electric wire 10 is fed out toward the second clamp 110 after accessing the first clamp 90 over the cutter 100 toward the second clamp 110.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] This invention provides a wire feeding means in which a first clamp and a second clamp are arranged with a cutter for wire processing in between, and a wire feeding means for feeding the wire from the first clamp to the second clamp. The present invention relates to a wire feeding method in a wire processing apparatus equipped with a wire processing apparatus.

0002

2. Description of the Related Art FIG. 12 is a perspective view showing a wire processing apparatus to which a conventional wire feeding method is applied, and FIG. 13 is a schematic sectional view thereof.

As shown in both figures, along the wire feeding line X, a wire feeding means 1 (see FIG. 13), a first clamp 2
, a pair of wire processing cutters 3, a cylindrical wire guide 5, and a second clamp 4 are arranged.

A guide hole 2a is formed in the first clamp 2 along the wire feeding line X.
It is configured to be able to grip and release the electric wire 10 inserted into the inside.

[0005] The second clamp 4 has a substantially L-shaped fixed claw 4a and a movable claw 4b mounted movably on the horizontal portion of the fixed claw 4a in a direction perpendicular to the wire feeding line X. There is. The movable claw 4b is configured to move to grip and release the electric wire 10 located between the vertical portion of the fixed claw 4a and the movable claw 4b (hereinafter referred to as the "wire gripping position"). There is.

In this device, the electric wire 10 is fed along the wire feeding line X in the direction of the arrow P by the electric wire feeding means 1 with the electric wire 10 being released from the first clamp 2 . As a result, the tip of the electric wire 10 passes between the pair of cutters 3, further passes through the guide hole 5a of the electric wire guide 5, and then is fed to the wire gripping position of the second clamp 4.

[0007] Next, the electric wire 10 is held by both clamps 2 and 4, and the electric wire 10 is cut by the cutter 3. Subsequently, the first clamp 2 moves forward by a predetermined amount in the direction of arrow P, and the sheathed portion of the remaining electric wire 10 gripped by the first clamp 2 is transferred to the cutter 3.
When the first clamp 2 is retracted in this state, the covering portion of the end of the remaining electric wire 10 is stripped off.

On the other hand, the cut wire held by the second clamp 4 is discharged to a predetermined location by a discharge means (not shown).

[0009] Such operations are continuously repeated to sequentially manufacture harnesses from which the covering portions at the ends are stripped off.

0010

[Problems to be Solved by the Invention] In this type of sheath stripping device, processing such as cutting the wire 10 by the cutter 3 and stripping the sheath is performed between the first clamp 2 and the wire guide 5; It is necessary to arrange the first clamp 2 and the wire guide 5 relatively apart so that the processing thereof can be performed without any trouble. For this reason, as shown in FIG. 14, when feeding the electric wire 10 from the first clamp 2 to the second clamp 4 side, the electric wire 10 may bend significantly downward due to its own weight and deviate from the wire feeding line X. In particular, when the electric wire 10 is heated due to the influence of the environmental temperature, the sheathing part becomes soft and the downward bend becomes large, and the electric wire 10 cannot pass through the inside of the electric wire guide 5, and the electric wire 10 is held by the second clamp 4. The problem was that I couldn't do it.

[0011] The present invention solves the problems of the prior art as described above, and provides an electric wire processing device that can accurately feed the electric wire from the first clamp to the second clamp without causing any hindrance to the electric wire processing performed by the electric wire processing cutter. The purpose of this invention is to provide a method for transmitting electric wires.

0012

[Means for Solving the Problems] The present invention has a first clamp and seven second clamps arranged with a cutter for wire processing in between, and a device for feeding the wire from the first clamp to the second clamp. A wire feeding method in an electric wire processing apparatus equipped with an electric wire feeding means, in which, in order to achieve the above object, the first clamp is held in a state of gripping the electric wire, and the second clamp is moved beyond the cutter. a step of moving the wire toward the second clamp; and after releasing the grip of the wire by the first clamp that has been moved to the second clamp side, the wire is sent toward the second clamp by the wire feeding means. a step of gripping the electric wire sent out by the electric wire feeding means with the second clamp, and then moving the first clamp in a direction away from the second clamp while releasing the grip on the electric wire; Accordingly, the method includes the step of returning the first clamp to the initial position.

[0013]

[Function] According to the wire feeding method in the wire processing device of the present invention, the wire processing by the wire processing cutter is as follows:
By positioning the first clamp on the opposite side of the second clamp with the cutter for wire processing in between, the wire processing can be carried out without any problem, and the feeding of the wire from the first clamp to the second clamp can be done without any problem.
Accurate processing can be achieved by moving the clamp past the wire processing cutter and approaching the second clamp, and then feeding the wire toward the second clamp.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view showing a wire processing apparatus to which a wire feeding method according to an embodiment of the present invention is applied. As shown in the figure, along the wire feeding line X, a length measuring unit 50, a pair of wire processing cutters 100, and a second clamp 110 are arranged.

The length measuring unit 50 has a moving table 5 for advancing and retreating.
1, a wire feeding means 60 and a first clamp 90 are mounted.

In the wire feeding means 60, a pair of feeding rollers 62 are rotatably attached to the tips of a pair of opening/closing arms 61, respectively. The pair of feed rollers 62 are arranged vertically across the wire feed line There is. As a result, the pair of opening/closing arms 61 are configured to swing in the vertical direction with the base ends as fulcrums.

Further, a cylinder 63 is attached between the advance/retreat movable table 51 and the lower opening/closing arm 61, and when the cylinder 63 moves forward, the lower opening/closing arm 61 rotates around its base end rotation axis. 61a as a fulcrum, and the rocking force is transmitted to the upper opening/closing arm 61 via the opening/closing gear mechanism 64, and the upper opening/closing arm 61 swings downward using its base end as a fulcrum. move. In this way, the electric wire 10 disposed on the electric wire feeding line X is held between the pair of feeding rollers 62.

Conversely, when the cylinder 63 is driven backward, the lower opening/closing arm 61 swings downward, and the upper opening/closing arm 61 swings upward, causing the pair of feed rollers to swing downward.
The grip of the electric wire 10 by the rubber 62 is released.

Base end rotation shaft 6 of lower opening/closing arm 61
1a is configured to rotate by the rotational drive of a motor 65. Furthermore, when the base end side rotating shaft 61a rotates, the lower feeding roller 6 is moved through a belt (not shown) or the like.
2 rotates, the gear mechanism 67 and the belt 66
The upper feed roller 62 connects to the lower feed roller 62 via the
It is configured to rotate in a direction opposite to that of the roller 62. In this way, when the electric wire 10 is held between the pair of feeding rollers 62 and each feeding roller 62 is rotationally driven by the motor 65, the electric wire 10 is moved along the electric wire feeding line X at the arrow mark. It is fed in the P direction.

FIG. 2 shows a horizontal sectional view of the main part of the first clamp 90. As shown in FIGS. 1 and 2, the first clamp 9
The clamp main body 91 of No. 0 is formed into a substantially cylindrical shape, and is fixed on the forward/backward movable table 51 via a support member 92 with its cylindrical axis aligned with the wire feeding line X.

As shown in FIG. 2, the clamp body 91 is formed with a clamp claw housing hole 94 that communicates with the cylindrical hole (guide hole) 93.
A clamp claw 95 is housed within the wire feed line 4 so as to be movable along the direction perpendicular to the wire feeding line X. Then, with the electric wire 10 placed inside the clamp body 91, the cylinder 9
6 (see FIG. 1) moves forward, the clamp claw 95 enters into the guide hole 93, whereby the electric wire 10 is gripped by the clamp claw 95 and the inner peripheral surface of the guide hole 93.
When the cylinder 96 is driven backward, the clamp claw 95 moves backward and the grip on the electric wire 10 is released.

As shown in FIG. 1, the base 53 for supporting the advance/retreat movable table 51 has rails 54 arranged along the wire feeding line X on both sides of the upper surface, and a ball at the center of the upper surface. The screw 55 is rotatably attached in a state parallel to the wire feeding line X. The advance/retreat movable base 51 is slidably mounted on the rail 54 via a plurality of sliders 52 with a ball screw 55 screwed into a screw receiving portion 56 protruding from the lower surface thereof.

Furthermore, one end of the ball screw 55 is connected to the belt 5.
It is connected to the rotating shaft of the motor 58 via 7 and the like. As a result, when the ball screw 55 is rotated in the forward direction by the drive of the motor 58, the advance/retreat movable table 51 moves forward in the direction of arrow P together with the wire feeding means 60 and the first clamp 90. On the other hand, when the ball screw 55 is rotated in the opposite direction by the drive of the motor 58, the advance/retreat movable table 51 is configured to retreat in the direction of the arrow Q.

A pair of cutters 100 are provided on the downstream side of the first clamp 90 in the wire feeding direction P, above and below the wire feeding line X. The pair of cutters 100 are supported by cutter bodies (not shown) so as to be movable in the vertical direction, respectively, and are configured to be opened and closed by driving a cutter driving means (not shown).

A second clamp 110 disposed on the downstream side of the cutter 100 in the wire feeding direction P is provided with a substantially L-shaped fixing claw 111 corresponding to the wire feeding line X. A movable claw 112 is attached to the horizontal portion of the fixed claw 111 so as to be slidable in a direction perpendicular to the wire feeding line X. When the movable claw 112 moves back and forth by driving the cylinder 113, the electric wire 10 located between the vertical part of the fixed claw 111 and the movable claw 112 (hereinafter referred to as the "wire gripping position") is gripped and released. It is configured as follows.

Next, the operation of this wire processing apparatus will be explained. In the initial state, as shown in FIG. 3, the electric wire 10 is inserted into the guide hole 93 of the first clamp 90 and held by the first clamp 90, and the electric wire 10 is
It is also held between a pair of feeding rollers 62.

Further, the pair of cutters 100 are in an open state, and the second clamp 110 is also in an open state.

From this state, as shown in FIG.
0 and the first clamp 90, the wire feed line
Move forward in the direction of arrow P along. As a result, the distal end side of the first clamp 90 moves beyond the space between the pair of cutters 100 to the vicinity of the wire gripping position of the second clamp 110.

Next, as shown in FIG. 5, the first clamp 9
The clamp claw 95 of No. 0 moves backward, and the grip of the electric wire 10 by the first clamp 90 is released.

Next, as shown in FIG. 6, the pair of feeding rollers 62 rotate in the forward direction, and the electric wire 10 is fed by a predetermined amount in the direction of arrow P along the wire feeding line X. Ru. At this time, the tip of the first clamp 90 has moved to the vicinity of the wire gripping position of the second clamp 110, so as soon as the wire 10 is fed out from the first clamp 90, it is moved to the second clamp 110.
The wire gripping position of 0 is reached. In this way, the wire 10 is accurately fed into the wire gripping position without deviating from the wire gripping position.

Next, as shown in FIG. 7, the electric wire 10
It is held by a clamp 110. In this case, the electric wire 10
is accurately fed into the wire gripping position of the second clamp 110, so that the second clamp 110 can reliably grip the wire 10.

Next, as shown in FIG.
The wire 62 is separated and the grip on the electric wire 10 is released.

Next, as shown in FIG.
1 (see FIG. 1) retreats along the wire feeding line X in the direction of arrow Q, and the first clamp 90 and the wire feeding means 6
0 return to their original positions shown in FIG.
The electric wire 10 is held by the first clamp 90 as shown in FIG.

[0034] After that, the operation is almost the same as in the conventional example described above.

That is, after the electric wire 10 is cut by the cutter 100, the advancing/retracting table 51 advances a small amount in the direction of the arrow P together with the first clamp 90, and the end of the remaining electric wire 10 held by the first clamp 90 is removed. The covering part is the cutter 10
Cut by 0. Then, in that cut state,
As the forward/backward movable table 51 moves backward together with the first clamp 90, the covering portion of the end of the remaining electric wire 10 is stripped off.

On the other hand, the cut wire held by the second clamp 110 is discharged to a predetermined location by a discharge means (not shown).

[0037] Such operations are repeated continuously,
Harnesses from which the covering portions at the ends are stripped off are sequentially manufactured.

According to this wire feeding method in the wire processing apparatus, wire processing by the cutter 100 is performed by moving the first clamp 90 to the second clamp 11 with the cutter 100 in between.
This can be done without any problem by positioning the wire 10 on the opposite side of the clamp 90 from the first clamp 90 to the second clamp 110.
The wire feeding means 6 is fed after the second clamp 90 approaches the second clamp 110 beyond the cutter 100.
Since the electric wire 10 is fed out toward the second clamp 110 by 0, the electric wire 10 can be accurately fed into the wire gripping position of the second clamp 110.

Furthermore, since the electric wire 10 is accurately fed into the electric wire gripping position of the second clamp 110, the electric wire guide used in the past (see the conventional examples shown in FIGS. 12 to 14) is no longer necessary, and the electric wire guide and the electric wire There is no need to consider the problem that wire feeding is restricted due to interference between the wires.

In the above embodiment, the first clamp 90 and the wire feeding means 60 are mounted on the advancing/retracting table 51, and the first clamp 90 and the wire feeding means 60 are moved toward the second clamp 110 side. However, as shown in FIG.
When feeding the electric wire from the first clamp 190 to the second clamp 210, the electric wire feeding means 160 may be left in the initial position and only the first clamp 190 is moved toward the second clamp 210.

[0041] Further, in the above-mentioned wire processing device, processing is performed to strip off only the coating on one end side of the harness. The side ends may be subjected to coating stripping treatment in the same manner as described above to produce a harness in which the coating portions at both ends are stripped off.

Further, the number of electric wires 10 to be fed is not limited to one, and two or more electric wires may be arranged in parallel and fed at the same time.

Further, in the above embodiment, the case where the wire feeding method of the present invention is applied to a wire processing device that performs coating stripping processing is explained, but it can also be applied to a wire processing device that performs other wire processing processing. be able to. For example, the present invention can be applied to an electric wire processing apparatus for manufacturing a harness in which the covering portions at both ends are stripped off and terminals are crimped to the stripped ends.

[0044]

As described above, according to the wire feeding method in the wire processing apparatus of the present invention, wire processing by the wire processing cutter is performed by placing the first clamp between the first clamp and the second clamp with the wire processing cutter in between. This can be done without any problem by placing the wire on the opposite side, and the wire can be fed from the first clamp to the second clamp by moving the first clamp past the wire processing cutter and approaching the second clamp, and then feeding the wire from the first clamp to the second clamp. By sending it out toward the second clamp, it is possible to achieve the effect that it can be carried out with high precision.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a wire processing device to which a wire feeding method according to an embodiment of the present invention is applied.

FIG. 2 is a horizontal sectional view showing a main part of the electric wire processing apparatus of the above embodiment.

FIG. 3 is a schematic cross-sectional view for explaining the operation of the electric wire processing apparatus of the above embodiment.

FIG. 4 is a schematic cross-sectional view for explaining the operation of the wire processing apparatus of the above embodiment.

FIG. 5 is a schematic cross-sectional view for explaining the operation of the wire processing apparatus of the above embodiment.

FIG. 6 is a schematic cross-sectional view for explaining the operation of the wire processing apparatus of the above embodiment.

FIG. 7 is a schematic cross-sectional view for explaining the operation of the wire processing apparatus of the above embodiment.

FIG. 8 is a schematic cross-sectional view for explaining the operation of the wire processing apparatus of the above embodiment.

FIG. 9 is a schematic cross-sectional view for explaining the operation of the wire processing apparatus of the above embodiment.

FIG. 10 is a schematic cross-sectional view for explaining the operation of the wire processing apparatus of the above embodiment.

FIG. 11 is a schematic cross-sectional view for explaining a wire feeding method according to another embodiment of the present invention.

FIG. 12 is a perspective view showing a wire processing device to which a conventional wire feeding method is applied.

FIG. 13 is a schematic cross-sectional view for explaining the operation of the conventional electric wire processing apparatus.

FIG. 14 is a schematic cross-sectional view for explaining the operation of the conventional electric wire processing apparatus.

[Explanation of symbols]

10 Electric wire 60 Wire feeding means 90 1st clamp 110 Second clamp 160 Wire feeding means 190 1st clamp 210 2nd clamp

Claims (1)

[Claims] 1. A first clamp and a second clamp are arranged with a cutter for electric wire processing in between, and the first
An electric wire feeding method in an electric wire processing apparatus, which is provided with an electric wire feeding means for feeding an electric wire from a clamp to a second clamp, wherein the electric wire is passed over the cutter while the first clamp is gripping the electric wire. and moving the electric wire toward the second clamp side, and after releasing the grip of the electric wire by the first clamp that has been moved to the second clamp side, the electric wire is moved by the electric wire feeding means to the second clamp side. a step of sending the wire out toward the clamp, and gripping the wire sent out by the wire feeding means with the second clamp, and then separating the wire from the second clamp with the first clamp released from gripping the wire; and returning the first clamp to an initial position by moving the first clamp in a direction in which the wire is fed.