JPH0686422A - Method for error processing electric wire processing machine - Google Patents

Abstract

(57) [Abstract] [Purpose] It is an object of the present invention to provide an error processing method of an electric wire processing machine, which prevents waste of electric wires when a processing processing error occurs. [Constitution] After processing one end of the wire, the wire processing machine
Measure the preset wire length and cut the other end.
If a processing error occurs during the processing of one end of the wire, regardless of the preset wire length, measure the minimum wire length set for error handling and disconnect the other end. To do.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an error processing method in an electric wire processing machine such as a terminal driving machine.

[0002]

2. Description of the Related Art As an electric wire processing machine, for example, there is a double-sided terminal driving machine 1 as shown in FIG. 2, which includes a length measuring unit 2, a front clamp 3, a cutter unit 4, and a rear unit. The clamp 5 includes a front terminal crimping unit 6, a rear terminal crimping unit 7, a front moving unit 8, and a rear moving unit 9.

In FIG. 2, 10 is a front processing state detecting device, and 11 is a rear processing state detecting device.

The front moving means 8 includes a main body 13 arranged along the left and right directions R and S, and a left and right moving body 1 supported on the main body 13 so as to be movable along the left and right directions R and S.
4 and the measuring unit 2 on the left and right moving body 14.
Are movably supported in the front-rear directions P and Q. The front clamp 3 is provided on the front end side of the length measuring unit 2, and the front clamp 3 and the length measuring unit 2 are integrally moved in the front-rear directions P and Q.

The rear moving means 9 includes a main body 16 arranged along the left and right directions R and S, and left and right directions R and S on the main body 16.
The left and right moving bodies 17 are movably supported along the rear clamp 5, and the rear clamp 5 is movably supported on the left and right moving bodies 17 in the front-rear directions P and Q.

Next, FIGS. 3 to 8, FIG. 10 and FIG.
The processing procedure by the double-end terminal driving machine 1 will be described with reference to FIG.

Before starting the operation of the double-end terminal driving machine 1,
As shown in FIG. 3, the electric wire 20 is sandwiched between a pair of feeding rollers 21 of the length measuring unit 2. Further, the front clamp 3 and the rear clamp 5 are in a state where the grip of the electric wire 20 is released. Further, the pair of cutters 22 of the cutter unit 4 are in an open posture separated from each other. In addition, a desired wire length L is set in advance in the control unit that controls the both-end terminal driving machine 1.

When an operation start command is given to the control unit from this state, the feeding roller 21 rotates by a predetermined amount, and the electric wire 20 moves along the electric wire feeding line X in the direction of arrow P by a predetermined amount (set electric wire length). L) will be sent.

Next, the electric wire 20 is gripped by the front clamp 3 and the rear clamp 5, respectively. continue,
The electric wire 20 is sandwiched and cut by the closing operation of the pair of cutters 22, and the electric wire is gripped by the front clamp 3 of the front unit (hereinafter referred to as "residual electric wire").
20 and an electric wire (hereinafter referred to as “cut electric wire”) 20 gripped by the rear clamp 5 of the rear unit.

Next, as shown in FIG. 3, the grip of the residual electric wire 20 by the front clamp 3 is released, and the pair of feeding rollers 21 rotate a small amount. As shown in FIG. A state in which a small amount (amount corresponding to the coating stripping amount of the residual electric wire 20) is advanced in the direction is obtained.

Next, the residual electric wire 20 is gripped by the front clamp 3, and the covering portion of the residual electric wire 20 on the front end side in the electric wire feeding direction P is cut by the closing operation of the pair of cutters 22. Then, in the cut state, as shown in FIG. 5, the length measuring unit 2 is retracted in the direction of arrow Q by driving the front moving means 8. As a result, the covering portion 25 on the front end side of the position where the residual electric wire 20 is cut by the cutter 22 is separated from the remaining covering portion 26, and is stripped and removed from the core wire portion 27, as shown in FIG. Here, the strip processing of one end of the electric wire 20 ends (step S1).

When the strip processing is completed, the length measuring unit 2 is moved in the arrow R direction by driving the front moving means 8 as shown in FIG. At the time of movement in the direction of arrow R, it is detected whether the end of the stripped electric wire 20 has passed the position of the front processing state detection device 10 and the strip processing has been normally performed (step S).
2).

When the strip processing is normally performed, the length measuring unit 2 is moved and operated in the direction of arrow R as it is, and the front terminal crimping unit 6 is operated at the position of the front terminal crimping unit 6 as shown in FIG. , Terminal 29
The crimping process is performed (step S3).

After crimping the terminals 29, the length measuring unit 2 is moved in the direction of arrow S by driving the front moving means 8 and returned to the initial position shown in FIG. 2, that is, the position facing the cutter unit 4. Thereafter, the feeding roller 21 rotates by a predetermined amount, and the electric wire 20 is fed along the electric wire feeding line X by the electric wire length L set in the arrow P direction as shown in FIG. 8 (step S4). ).

After measuring the set wire length L, the wires 20 are respectively gripped by the front clamp 3 and the rear clamp 5. Then, the electric wire 20 is sandwiched and cut by the closing operation of the pair of cutters 22 (step S
5), residual electric wire 2 gripped by the front clamp 3
0 and the cut electric wire 20 gripped by the rear clamp 5, and the electric wire 20 whose one end side has been processed is delivered to the rear unit (step S6).

Rear clamp 5 as a rear unit
The electric wire 20 delivered to the other end is processed at the other end side by the rear side unit in the same manner as the one end side. That is, the remaining electric wires 20 are sequentially subjected to the above-mentioned processing,
The rear clamp 5 for gripping the cutting electric wire 20 is moved by the rear moving means 9 along the electric wire feeding line X in the direction of the arrow Q (cutting) while being moved from the position facing the cutter unit 4 in the R direction and processed. It moves by an amount corresponding to the amount of stripping of the electric wire 20). As a result, the rear end portion of the cutting wire 20 gripped by the rear clamp 5 in the wire feeding direction P is fed between the pair of cutters 22.

Next, by the closing operation of the pair of cutters 22, the covering portion on the rear end side end of the cutting electric wire 20 is cut,
In the cut state, the rear clamp 5 is moved in the direction of the arrow P by driving the rear moving means 9, whereby the covering portion 25 on the rear end side of the cutting position of the cutting wire 20 by the cutter 22 is the remaining covering portion 26. And is stripped off from the core wire portion 27. Here, the strip processing of the other end of the electric wire 20 ends (step S7).

When the strip processing is completed, the rear clamp 5 is moved in the arrow S direction by driving the rear moving means 9. At the time of this movement in the direction of arrow S, it is detected whether or not the end portion of the stripped electric wire 20 has passed the position of the rear processing state detection device 11 and the strip processing has been normally performed (step S8).

When the strip processing is normally performed, the rear clamp 5 is moved in the direction of arrow S as it is, and the terminal crimping processing is performed by the rear terminal crimping unit 7 at the position of the rear terminal crimping unit 7. (Step S
9).

After the terminals are crimped, the cutting wire 20 is discharged to a predetermined wire discharging portion by discharging means (not shown) (step S10), and the rear clamp 5 is moved in the direction of arrow R by driving the rear moving means 9, It is returned to the initial position shown in FIG. 2, that is, the position facing the cutter unit 4. In this way, a harness having terminals 29 crimped on both ends is manufactured.

On the other hand, if a strip mistake is detected in step S2, an error signal is output to the control section, the control section interrupts the subsequent normal processing, and the length measuring unit 2 is moved to the front moving means 8. Driven by arrow S
Then, the control is performed so as to return to the initial position shown in FIG. 2, that is, the position facing the cutter unit 4. Thereafter, the feeding roller 21 rotates by a predetermined amount, and as shown in FIG. 11, the electric wire 20 is fed along the electric wire feeding line X by the electric wire length L set in the arrow P direction (step S11). ).

After measuring the set wire length L, the wires 20 are respectively gripped by the front clamp 3 and the rear clamp 5. Then, the electric wire 20 is sandwiched and cut by the closing operation of the pair of cutters 22 (step S1).
2), residual electric wire 2 gripped by the front clamp 3
0 and the cut electric wire 20 gripped by the rear clamp 5, and the electric wire 20 having the processing error is delivered to the rear unit (step S13).

Rear clamp 5 as a rear unit
The electric wire 20 having the processing error transferred to is moved to a predetermined position by the rear moving means 9, and is discharged to a predetermined error electric wire discharging portion by the discharging means (step S1).
4).

If a strip mistake is detected in step S8, an error signal is output to the control unit and the process proceeds to step S14, and the rear clamp 5 is moved to a predetermined position by the rear moving means 9 as described above. Then, the electric wire 20 of the processing error, which is gripped by the rear clamp 5 by the discharging means, is discharged to a predetermined error electric wire discharging portion.

As described above, the harnesses of the desired length, in which the terminals 29 are crimped to both ends, are successively manufactured, and when a processing error is detected during the manufacturing process, the harnesses are quickly discharged. .

[0026]

However, according to the above-mentioned conventional processing method, when the error due to the strip mistake is detected during the processing of one end of the electric wire 20, that is, in the step S2, the preset electric wire length is set. Length L is measured (step S11) and cut (step S1)
2) It is a method, and if the wire length L preset arbitrarily is long, the wire 20 in which a processing error has occurred is also measured and cut in the same manner, and therefore the wire 20 is wasted a lot. was there.

Therefore, in view of the above problems, it is an object of the present invention to provide an error processing method for an electric wire processing machine, which prevents waste of electric wires when a processing error occurs.

[0028]

The technical means for achieving the above-mentioned object is an electric wire treatment in which one end of an electric wire is processed and then a preset electric wire length is measured and the other end is cut. In the error processing method of the machine, if a processing error occurs during the processing of one end of the wire, the minimum wire length set for error handling is measured regardless of the preset wire length. , At the point of cutting the other end.

[0029]

According to the present invention, when a processing error occurs during the processing of one end of an electric wire, regardless of whether the electric wire length is preset or not, the minimum value set for error processing is set. This is a method of measuring and cutting the electric wire length, and the electric wire cutting length can be the minimum length, and the waste of electric wires when a processing error occurs can be effectively prevented.

[0030]

Embodiments of the present invention will be described below with reference to FIGS. 1 to 9.

The parts described in the above conventional structure are designated by the same reference numerals, and the description thereof will be omitted.

In addition, not only can the desired electric wire length L be set in advance in the control section in this embodiment, but the electric wire 20 can be gripped across the front clamp 3 and the rear clamp 5 as shown in FIG. The minimum required wire length S for the necessary minimum error processing is set in advance.

First, the processing procedure in the case where a strip error (processing error) does not occur will be described. As in the conventional case, as shown in FIGS. 3 to 6, one end of the electric wire 20 is stripped by the unit on the front side. Then, (step S1), when the end of the stripped electric wire 20 passes through the position of the front processing state detecting device 10, it is detected whether or not the stripping is normally performed (step S2).

When the strip processing is normally performed, the electric wire 20 gripped by the front clamp 3 is moved to the position of the front terminal crimping unit 6 and is operated by the front terminal crimping unit 6 as shown in FIG. The terminal 29 is crimped (step S3).

After crimping the terminals 29, the length measuring unit 2 having the front clamp 3 is moved and returned to the initial position shown in FIG. 2, that is, the position facing the cutter unit 4. After that, the feeding roller 21 rotates by a predetermined amount, and
As shown in, the electric wire 20 is fed along the electric wire feeding line X in the direction of arrow P by a preset desired electric wire length L (step S4).

After measuring the set wire length L, the wires 20 are respectively gripped by the front clamp 3 and the rear clamp 5. Then, the electric wire 20 is sandwiched and cut by the closing operation of the pair of cutters 22 (step S
5), residual electric wire 2 gripped by the front clamp 3
0 and the cut electric wire 20 gripped by the rear clamp 5, and the electric wire 20 whose one end side has been processed is delivered to the rear unit (step S6).

Rear clamp 5 as a rear unit
The electric wire 20 delivered to the other end is processed at the other end side by the rear side unit in the same manner as the one end side.

That is, when the other end of the cut wire 20 is stripped by the pair of cutters 22 (step S7), and the stripped wire 20 end passes through the position of the rear processing state detecting device 11, It is detected whether or not the strip processing is normally performed (step S8).

When the strip processing is normally performed, the electric wire 20 gripped by the rear clamp 5 is moved to the position of the rear terminal crimping unit 7, and the rear terminal crimping unit 7 crimps the terminal. (Step S9).

After the crimping process of the terminals, the cut wire 20 is discharged to a predetermined wire discharge portion by discharge means (not shown) (step S10), and the rear clamp 5 is moved to the initial position shown in FIG.
That is, it is returned to the position facing the cutter unit 4. In this way, a harness having the terminals 29 crimped on both ends is manufactured in the same manner as in the conventional case.

Next, in the step S2, when a strip mistake is detected, an error signal is output to the control section, the control section interrupts the subsequent normal processing, and the length measuring unit 2 is moved to the front moving means. Driven by FIG.
It is controlled to return to the initial position shown in, that is, the position facing the cutter unit 4. After that, the feeding roller 21 rotates by a predetermined amount, and as shown in FIG. 9, the electric wire 20 is moved along the electric wire feeding line X in the direction of the arrow P and is set to the minimum electric wire length S preset for error handling. Is sent (step S21).

After measuring the minimum electric wire length S, the electric wire 20 is gripped by the front clamp 3 and the rear clamp 5, respectively, and then the electric wire 20 is sandwiched and cut by the closing operation of the pair of cutters 22 (step S22). The residual electric wire 20 grasped by the front clamp 3 and the cut electric wire 20 grasped by the rear clamp 5 are separated, and the electric wire 20 having the processing error is delivered to the rear unit (step S23).

The electric wire 20 having the processing error transferred to the rear clamp 5 is moved to a predetermined position by the rear moving means 9 and discharged to a predetermined error electric wire discharging portion by the discharging means (step S24).

If a strip mistake is detected in step S8, an error signal is output to the control unit and the process proceeds to step S24, and the rear clamp 5 is moved to a predetermined position by the rear moving means 9 as described above. Then, the electric wire 20 of the processing error, which is gripped by the rear clamp 5 by the discharging means, is discharged to a predetermined error electric wire discharging portion.

The embodiment of the present invention is configured as described above, and when a strip mistake is detected during the processing of one end of the electric wire 20, regardless of the preset desired wire length L. Instead, it is a method of measuring and cutting the minimum electric wire length S set for error handling, and the electric wire cutting length is the minimum necessary length capable of gripping the electric wire 20 across the front clamp 3 and the rear clamp 5. Just the length,
It is possible to effectively prevent the electric wire 20 from being wasted when a processing error occurs.

In the above embodiment, the case where the stripping error is detected as the processing error is shown, but the crimping state of the terminal 29 can also be detected by the front processing state detecting device 10 to crimp the terminal 29. Even when a processing error is detected, the minimum electric wire length S may be measured and cut. Further, the present invention is not limited to the double-end terminal driving machine 1, but may be another electric wire processing machine, or may be another processing error.

[0047]

As described above, according to the error processing method of the electric wire processing machine of the present invention, when a processing error occurs during the processing of one end of the electric wire, regardless of the preset electric wire length, This is a method of measuring the minimum wire length set for error processing and cutting the other end side.The wire cutting length when a processing error occurs is the minimum length, and a processing error occurs. It is possible to effectively prevent the waste of electric wires at the time.

[Brief description of drawings]

FIG. 1 is a flowchart in an embodiment of the present invention.

FIG. 2 is a schematic plan view of a double-end terminal driving machine.

FIG. 3 is a schematic explanatory view for explaining the operation of the double-end terminal driving machine.

FIG. 4 is a schematic explanatory diagram for explaining the operation of the double-end terminal driving machine.

FIG. 5 is a schematic explanatory diagram for explaining the operation of the double-end terminal driving machine.

FIG. 6 is a schematic explanatory view for explaining the operation of the double-end terminal driving machine.

FIG. 7 is a schematic explanatory diagram for explaining the operation of the double-end terminal driving machine.

FIG. 8 is a schematic explanatory diagram for explaining the operation of the double-end terminal driving machine.

FIG. 9 is a schematic explanatory diagram for explaining the operation of the double-end terminal driving machine.

FIG. 10 is a flowchart showing a conventional example.

FIG. 11 is a schematic explanatory view for explaining an operation of a double-end terminal driving machine in a conventional example.

[Explanation of symbols]

 1 Double-sided terminal driving machine 2 Length measuring unit 3 Front clamp 4 Cutter unit 6 Front terminal crimping unit 8 Front moving means 10 Front processing state detector 20 Electric wire 22 Cutter 29 Terminal

Claims (1)

[Claims] 1. An error processing method for an electric wire processing machine, wherein after processing one end of an electric wire, a preset electric wire length is measured and the other end is cut. When a processing error occurs, regardless of the preset wire length, the minimum wire length set for error handling is measured and the other end is cut off. Error handling method.