JPH0674017U - Flat multi-core electric wire end-difference processing device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide an end step processing device 20 for a flat type multi-core electric wire 2 in which the number of processing steps is reduced, defective products are prevented, and production efficiency is improved. [Construction] The terminal step processing device 20 includes a pair of blade holders 21a, 21b which are arranged so as to face each other so as to sandwich the flat multicore electric wire 2 and which are moved toward and away from the flat multicore electric wire 2. The main cutting blades 22a, 22 are attached to the blade holders 21a, 21b.
b, step cutting blades 25a and 25b, and strip blade 2
3a and 23b and uneven strip blades 26a and 26b are mounted, respectively. The step cutting blades 25a, 25b and the step strip blades 26a, 26b are formed with non-machined relief portions 25d, 26d for avoiding the cutting and stripping process of the electric wire 12 which is projected longer.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a flat multi-core electric wire end step processing device for wire-drawing a flat multi-core electric wire in a stepwise manner.

[0002]

[Prior art]

 As an electric wire processing device for wire-drawing the end portion of a flat type multi-core electric wire, there is, for example, a structure shown in FIG. 13, and the flat type multi-core electric wire 2 sequentially fed from the electric wire supply section 1 is Feeding is restricted by the wire length measuring mechanism 3, the front side clamp 4 and the rear side clamp 5.

The front-side clamp 4 and the rear-side clamp 5 are configured to be capable of gripping and releasing the flat-type multi-core electric wire 2 and to be able to move forward and backward in the feeding direction P of the flat multi-core electric wire 2. There is.

In addition, a terminal processing device 6 is arranged along the feeding path of the flat multicore electric wire 2, and the terminal processing device 6 is arranged in a pair so as to face each other so as to sandwich the flat multicore electric wire 2. The blade holders 7a and 7b are provided, and the blade holders 7a and 7b are configured to be moved toward and away from the flat multicore electric wire 2.

Further, the blade holders 7a and 7b are provided with cutting blades 9a and 9b for cutting the electric wires of the flat multicore electric wire 2 to be fed at desired positions, and the cutting blades 9a and 9b. Strip blades 10a, 10b, 11a and 11b, which are arranged at appropriate intervals on both sides of the electric wire and are formed in a cut shape, are attached to the insulating coating portion of each electric wire.

When the blade holders 7a and 7b are moved close to each other as shown in FIG. 14, the pair of cutting blades 9a and 9b cut the electric wires 12 of the flat multicore electric wire 2, and A pair of strip blades 10a, 10b, 11a, 11b are cut into the insulation coating portion 12a of each electric wire 12.

In this state, when the front side clamp 4 and the rear side clamp 5 are moved and operated so as to be separated from each other, the flat multi-core electric wires 2 held by the clamps 4 and 5 are separated from each other. Direction, the insulation coating portion 12a at the end of each electric wire 12 is relatively stripped by the strip blades 10a, 10b, 11a, 11b, and each electric wire cut as shown in FIG. The flat multi-core electric wire 2 in which the insulation coating 12a of the 12 end is stripped off and the core wire 12b is exposed is obtained. Is given.

Then, conventionally, in the case where the end portion of the flat multicore electric wire 2 is processed in a stepwise manner, as shown in FIG. 15, the flat multicore electric wire 2 having the uniform end portions is temporarily provided. After the wire drawing is performed, the wire is cut by hand with scissors or the like along a cutting line R having a specified dimension indicated by a one-dot chain line to obtain the flat multicore electric wire 2 shown in FIG. After that, the insulation coating portion 12a of the electric wire 12 end portion is manually removed along a stripping line S indicated by a chain double-dashed line, and as shown in FIG. The flat type multi-core electric wire 2 was manufactured.

[0009]

[Problems to be solved by the device]

 However, according to the above-described method for manufacturing the flat multicore electric wire 2 which is wire-formed in a stepwise manner, the flat multicore electric wire 2 having the uniform end portions is subjected to the wire drawing and cutting with scissors or the like. Three steps, that is, the processing and the manual processing for peeling off the insulating coating portion 12a are required, the number of steps is increased, and a processing error may occur in the manually processed portion.

In view of the above problems, the present invention aims to provide a flat multi-core wire end difference processing apparatus that reduces the number of processing steps, prevents defective products, and improves production efficiency. With the goal.

[0011]

[Means for Solving the Problems]

 The technical means for achieving the above-mentioned object is a flat multicore wire end step processing device for wire-drawing the end part of the flat multicore wire in a stepwise manner. Main blade for cutting each wire of the flat multi-core wire fed to a pair of blade holders that are placed facing each other and moved closer to and away from the flat multi-core wire, and cut with the main cutting blade The cutting wire has a step that cuts the end of the wire that is different from the cut wire, and a cut is made in the insulation coating to remove the insulation coating of the wire end cut by the main cutting blade. And a stepped strip blade that is cut into the insulation coating to remove the insulation coating of the wire end cut by the stepped cutting blade. And uneven strip blades have longer protrusions The cutting and non-machining relief portion for avoiding the stripping process is in the point where the formed lines.

[0012]

[Action]

 According to the present invention, the pair of blade holders are equipped with the main cutting blade, the stepped cutting blade, the strip blade and the stepped strip blade, respectively, and the stepped cutting blade and the stepped strip blade are made to have a longer protruding shape. Since a non-machining relief part is formed to avoid cutting and stripping of the electric wire, the flat cutting operation of each blade holder causes the main cutting blade and the step cutting blade to move each flat multicore electric wire In addition to being cut in a stepped manner at the position, a strip blade and a stepped stripping blade are cut into the insulation coating of each cut wire end, so that the cut flat multicore wires are separated from each other as in the past. If it is moved in the direction indicated by the arrow, a flat multicore electric wire in which the terminal portion is wire-drawn in a stepped manner can be obtained.

In addition, since a step-shaped wire-drawing process of the terminal portion can be performed by a single wire-drawing process, the number of processing steps is reduced, and hand-working is not required, which prevents the occurrence of defective products. In addition to being able to improve production efficiency.

[0014]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 20 is an end-stage difference processing apparatus, which is used in place of the terminal processing apparatus 6 in the electric wire processing apparatus shown in FIG. The same components as those of the conventional one are designated by the same reference numerals and the description thereof will be omitted.

That is, the terminal step difference processing device 20 is arranged along the feeding path of the flat multicore electric wire 2, and the terminal step difference processing devices 20 are arranged so as to face each other so as to sandwich the flat multicore electric wire 2. A pair of blade holders 21a and 21b are provided, and each blade holder 21a and 21b is configured to be moved toward and away from the flat multicore electric wire 2.

Main cutting blades 22a and 22b for cutting each electric wire 12 of the flat-type multi-core electric wire 2 to be fed are attached to the blade holders 21a and 21b at substantially central positions in the feeding direction P, respectively. As shown in FIGS. 5 and 6, each of the main cutting blades 22a and 22b is provided with a cutting blade portion 22c that is long in the width direction in which the electric wires 12 of the flat multicore electric wire 2 are arranged in parallel.

Further, on both sides of the attached main cutting blades 22a, 22b of the blade body holders 21a, 21b, there is a predetermined distance between the ends of the electric wires 12 cut by the main cutting blades 22a, 22b. Insulated strip portions 23a, 23b, 24a, 24b are attached to the insulating coating portion 12a, and the strip blades 23a, 23b, 24a, 24b are flat type as shown in FIG. 7 and FIG. The insulation coating portion 12a of each electric wire 12 of the multicore electric wire 2 is provided with arcuate strip blade portions 23c and 24c that are cut.

Further, in order to cut the end portion of the electric wire 12 which is stepped from the electric wire 12 cut by the main cutting blades 22a and 22b, the main cutting blades 22a and 22b of the blade holders 21a and 21b are cut from the main cutting blades 22a and 22b. Stepped cutting blades 25a and 25b are installed at positions separated by a predetermined distance, and the stepped cutting blades 25a and 25b are arranged in parallel with each other of the electric wires 12 of the flat multicore electric wire 2 as shown in FIGS. 9 and 10. In addition to having a cutting blade portion 25c that is long in the width direction to be arranged, a non-machining escape portion 25d is cut out at a corresponding predetermined position of the cutting blade portion 25c in order to avoid cutting the electric wire 12 that is projected longer. It is formed into a shape.

In addition, the blade holders 21a and 21b are provided with stepped strip blades 26a and 26b, which are cut into the insulation coating portion 12a of the end portion of the electric wire 12 cut by the step cutting blades 25a and 25b. Each of the stepped cutting blades 25a, 25b is mounted at a predetermined distance from each other, and each of the stepped strip blades 26a, 26b is attached to each wire 12 of the flat multicore electric wire 2 as shown in FIGS. Insulating coating portion 12a is provided with cut-shaped arc-shaped strip blade portions 26c, and in order to avoid stripping treatment of insulating coating portion 12a of electric wire 12 which has a longer protruding shape, strip blade portion 26c An unprocessed escape portion 26d is formed in a notch shape at a corresponding predetermined position.

The embodiment of the present invention is configured as described above, and when the flat type multi-core electric wire 2 is subjected to the wire drawing process, it is sequentially fed from the electric wire supply unit 1 and the electric wire length measurement is performed as in the conventional case. The flat multicore electric wire 2 measured by the mechanism 3 is gripped by the front side clamp 4 and the rear side clamp 5. In this gripped state, when the blade holders 21a and 21b are moved close to each other as shown in FIG. 2, the pair of main cutting blades 22a and 22b cut the electric wires 12 of the flat multicore electric wire 2. It is separated into a flat multi-core electric wire 2 on the front side clamp 4 side and a flat multi-core electric wire 2 on the rear side clamp 5 side, and a pair of strip blades 23a, 23b, 24a, 24b insulate each electric wire 12 end portion. The cover portion 12a has a notch shape.

In addition, the ends of the electric wire 12 cut by the main cutting blades 22a, 22b and the electric wire 12 having a stepped shape are cut by the pair of stepped cutting blades 25a, 25b, and the pair of stepped cutting blades 26a , 26b are cut into the insulating coating 12a at the end of the electric wire 12 cut by the stepped cutting blades 25a, 25b.

In FIG. 3, L1 is a cutting line by the pair of main cutting blades 22a and 22b, L2 is a cutting line by the pair of strip blades 23a and 23b, L3 is a cutting line by the pair of strip blades 24a and 24b, and L4 is a pair. The cutting lines with the stepped cutting blades 25a and 25b, L5 shows the cutting lines with the pair of stepped strip blades 26a and 26b, respectively. As shown in FIG. 3, the electric wire 12 that is located at the non-machining relief portion 25d and the non-machining relief portion 26d of the stepped strip blades 26a, 26b has a longer protruding shape and is not cut or cut. To be prevented.

When the front-side clamp 4 and the rear-side clamp 5 are moved in the directions in which the blade holders 21a and 21b are close to each other, as shown in FIG. The electric wire 2 is moved in a direction in which the electric wires 2 move away from each other, and the insulation coating portion 12a of each electric wire 12 terminal portion cut by the main cutting blades 22a, 22b and the step cutting blades 25a, 25b is attached to each strip blade 23a, 23b, 24a, 24b. And a strip strip that is relatively stripped by the blades 26a and 26b, and the insulation coating portion 12a at the end of each cut wire 12 is stripped off to expose the core portion 12b. A multi-core electric wire 2 is obtained.

Then, in this embodiment, the flat multicore electric wire 2 is obtained in which the wire 12 end portion is processed in a stepwise manner on the front side clamp 4 side, and the wire 12 end is formed on the rear side clamp 5 side. A flat type multi-core electric wire 2 in which all parts are aligned and processed is obtained.

As described above, the flat multicore electric wire 2 in which the ends of each wire 12 are wire-formed in a stepwise manner can be manufactured by a single wire-drawing process using the terminal-difference processing device 20. Here, it is possible to perform the work, which conventionally required three work steps, in one step, thereby reducing the number of processing steps.

Further, since the number of processing steps is reduced and the conventional manual processing is not required, it is possible to effectively prevent the generation of defective products due to processing mistakes and to improve the production efficiency.

In the above-described embodiment, the terminal step processing device 20 is shown which processes one end of the flat multi-core electric wire 2 in a stepwise manner. When the wire is formed in a stepped shape, the stepped cutting blades 25a, 25b and the stepped strip blades 26a, 26b may be attached to both sides of the main cutting blades 22a, 22b.

Further, the stepped cutting blades 25a, 25b and the stepped strip blades 26a, 26b may be appropriately arranged according to the stepped shape, and further, an appropriate number of stepped cutting blades 25a, 25b and stepped may be provided according to the stepped number. The strip blades 26a and 26b may be appropriately arranged. Further, depending on the position and number of the electric wires 12 that are projected longer, the unprocessed relief portion 25d and the unprocessed relief portion 26d are appropriately provided in the different cutting blades 25a, 25b and the different strip blades 26a, 26b. It may be formed.

[0029]

[Effect of device]

 As described above, according to the flat-type multi-core wire end-difference processing apparatus of the present invention, a pair of flat multi-core wires are arranged so as to face each other so as to sandwich the flat multi-core wire and are operated to approach and separate from the flat multi-core wire. The main cutting blade that cuts each wire of the flat type multi-core wire that is fed to the blade holder of, and the step cutting blade that cuts the end of the wire that is stepped from the wire cut by the main cutting blade And a strip blade that is cut into the insulation coating to remove the insulation coating on the wire end cut with the main cutting blade, and the insulation coating on the wire end cut with the step cutting blade. Insulation stripping blades that are cut into the insulating coating are attached to the insulation coating to remove the stripped portion, and the above-mentioned cutting and stripping of the wire that is projected longer than the stepped cutting blade and stripped strip blade. A non-machining relief part is formed to avoid processing. It is possible to manufacture a flat type multi-core electric wire in which the terminal portion is wire-formed in a stepwise manner by a single wire-drawing process, and the number of processing steps can be reduced and There is also the advantage that manual processing is not required, defective products due to processing errors can be effectively prevented, and production efficiency can be improved.

[Brief description of drawings]

FIG. 1 is an explanatory view of essential parts showing an embodiment of the present invention.

FIG. 2 is an explanatory diagram of the same operation.

FIG. 3 is an explanatory view of a cut and cut state of the flat multicore electric wire in FIG.

FIG. 4 is an explanatory diagram of the same line drawing processing.

FIG. 5 is a front view of a main cutting blade.

FIG. 6 is an enlarged arrow view of FIG. 5VI-VI line.

FIG. 7 is a front view of a strip blade.

FIG. 8 is an enlarged arrow view taken along the line VIII-VIII in FIG. 7;

FIG. 9 is a front view of a stepped cutting blade.

FIG. 10 is an enlarged arrow view of FIG. 9X-X line.

FIG. 11 is a front view of an uneven strip blade.

FIG. 12 is a partially enlarged view of FIG.

FIG. 13 is an explanatory diagram of a conventional electric wire processing device.

FIG. 14 is an explanatory diagram of the same operation.

FIG. 15 is an explanatory diagram of the same line drawing processing.

FIG. 16 is an explanatory diagram of a step difference drawing process.

FIG. 17 is an explanatory view of the step difference drawing processing.

[Explanation of symbols]

 2 Flat multi-core electric wire 4 Front side clamp 5 Rear side clamp 12 Electric wire 12a Insulation coating part 12b Core wire part 20 End step processing device 21a, 21b Blade holder 22a, 22b Main cutting blade 23a, 23b Strip blade 24a, 24b Strip blade 25a, 25b Stepped cutting blade 25d Unprocessed relief section 26a, 26b Stepped strip blade 26d Unprocessed relief section

Claims (1)

[Scope of utility model registration request] 1. A flat multi-core electric wire end step processing apparatus for wire-drawing a flat multi-core electric wire in a stepwise manner, the flat multi-core electric wire being arranged opposite to each other so as to sandwich the flat multicore electric wire. Main blade for cutting each wire of the flat type multi-core electric wire to be fed to a pair of blade holders that are moved toward and away from the multi-core electric wire.
Insulation coating part for cutting off the insulation coating part of the wire end part cut by the main cutting blade and the step cutting blade for cutting the end part of the wire which is stepped from the wire cut by the main cutting blade A strip blade having a notch shape, and a stepped strip blade having a notch shape in the insulation coating portion for stripping off the insulation coating portion of the electric wire end portion cut by the step cutting blade are mounted respectively, A stepped cutting edge of a flat type multi-core electric wire, characterized in that a stepped cutting blade and a stepped strip blade are formed with a non-processed relief portion for avoiding the cutting and stripping processing of the electric wire that is projected longer. apparatus.