JP2008282596A - Wire positioning jig, crimping machine, and wire positioning method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wire positioning jig capable of controlling a core wire stripping margin short so that tips of the core wires may not tear off an electric insulation treatment part even if electric insulation treatment is applied to crimping terminal, and capable of securing the electric insulation of the crimping terminals. <P>SOLUTION: The wire positioning jig 10 positions first core wires 220 by peeling off and exposing coatings 230 of branch wires 201, 202 and 203 as first wires, and a second core wire 250 by peeling off and exposing a coating 240 of a trunk wire 300 as a second wire against the crimping terminals 100. The wire positioning jig 10 has a first wire abutting face 51 for aligning positions of tips 225 of the first core wires 220 as branch wires 201, 202 and 203 by making the tips 225 abut on it. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to an electric wire positioning jig, a crimping machine, and an electric wire positioning method, and in particular, by positioning the core wire of a main wire and a core wire of a branch wire, the tip of the core wire breaks through the electrical insulation processing portion. The present invention relates to an electric wire positioning jig, a crimping machine, and an electric wire positioning method.

When the main line of the electric wire and the plurality of branch lines are electrically connected using the crimp terminal, the following is performed. The cover of the middle part of the trunk line is peeled to expose the core line of the trunk line, and the cover of the end part of the branch line is peeled to expose the core line of the branch line. Then, only the peeled end portion of the covering of the intermediate portion of the main line and the peeled end portion of the covering of each branch line are abutted against the stopper, so that the exposed core wire and each branch line of the intermediate portion of the main line are The exposed core wire is positioned with respect to the crimp terminal. (For example, see FIG. 4 of Patent Document 1).
Japanese Utility Model Publication No. 6-5175

However, if the dimensional accuracy of the skinned portion of each branch wire is poor, the length of the exposed core wire of each branch wire does not become the specified value, and the core wire protruding dimension (from the crimp terminal) of each branch wire does not reach the specified value. The protruding length of the core wire tip can no longer be regulated. For this reason, if the core wire extension allowance of each branch wire is long, there is a possibility that the tip of the core wire of each branch wire may protrude from the crimp terminal when the branch wire is crimped by the crimp terminal. Therefore, after crimping the core wire of each trunk line and the core wire of each branch wire with a crimp terminal, if the electrical insulation treatment is performed on the crimp terminal using a tape or a tube, the tip of the core wire of each branch wire breaks through the electrical insulation treatment portion. Therefore, the core wire of the trunk line and the core wires of the plurality of branch wires may cause an electrical insulation failure in the crimp terminal.
Therefore, in order to solve the above problems, the present invention sets the wire core allowance dimension so that the tip end portion of the core wire does not break through the electrical insulation processing portion even if the crimp terminal is subjected to electrical insulation treatment. An object of the present invention is to provide an electric wire positioning jig, a crimping machine, and an electric wire positioning method that can be regulated to be short and can ensure electrical insulation in a crimp terminal.

In order to solve the above-described problems, the wire positioning jig of the present invention includes a first core wire that is exposed by peeling the coating of the first wire and a second core wire that is exposed by peeling the coating of the second wire. And an electric wire positioning jig for positioning with respect to the crimp terminal,
It has the 1st electric wire abutting surface which abuts the front-end | tip part of the said 1st core wire of the said 1st electric wire, and aligns the position of the front-end | tip part of the said 1st core wire.
The electric wire positioning jig of the present invention preferably has a second electric wire abutting surface that abuts the tip of the second core wire of the second electric wire.
In the electric wire positioning jig of the present invention, preferably, the intermediate portion of the covering of the second electric wire is peeled to expose the second core wire, and the end portion of the covering of the second electric wire is peeled off. It has the 3rd electric wire abutting surface to abut, It is characterized by the above-mentioned.
The electric wire positioning jig of the present invention is preferably characterized in that the crimp terminal is detachably positioned in a receiving portion of a slide cutter that cuts the crimp terminal from a carrier portion.
The electric wire positioning jig of the present invention is preferably characterized in that the first electric wire is a plurality of branch wires and the second electric wire is a trunk line.

The crimping machine of the present invention positions the first core wire exposed by peeling the coating of the first electric wire and the second core wire exposed by peeling the coating of the second electric wire with respect to the crimp terminal. An electric wire positioning jig for crimping the first core wire and the second core wire to the crimp terminal,
An electric wire positioning jig having a first electric wire abutting surface that abuts the distal end portion of the first core wire of the first electric wire and aligns the position of the distal end portion of the first core wire.
The crimping machine of the present invention preferably has a second electric wire abutting surface that abuts the tip of the second core wire of the second electric wire.
In the crimping machine according to the present invention, preferably, an intermediate portion of the covering of the second electric wire is peeled to expose the second core wire, and the end portion of the covering of the second electric wire is abutted. It has the 3rd electric wire abutting surface, It is characterized by the above-mentioned.

The crimping machine of the present invention is preferably a feeding member for feeding the crimping terminal, the wire positioning jig being connected to the feeding member for retracting the wire positioning jig from the crimping terminal. It is characterized by.
The crimping machine according to the present invention is preferably characterized in that the wire positioning jig is detachably positioned in a receiving portion of a slide cutter for cutting the crimp terminal from a carrier portion.
In the crimping machine according to the present invention, preferably, the first electric wire is a plurality of branch wires, and the second electric wire is a trunk wire.
In the electric wire positioning method of the present invention, the first core wire exposed by peeling off the coating of the first electric wire and the second core wire exposed by peeling off the coating of the second electric wire are used with an electric wire positioning jig. Wire positioning method for positioning with respect to the crimp terminal,
The position of the front-end | tip part of the said 1st core wire is arrange | equalized by abutting the front-end | tip part of the said 1st electric wire of the said 1st electric wire to the 1st electric wire abutting surface of the said electric wire positioning jig.

  According to the present invention, even if the electrical insulation treatment is applied to the crimp terminal, the wire core wire allowance can be restricted to be short so that the tip portion of the wire core wire does not break through the electrical insulation treatment portion. Electrical insulation can be secured in the crimp terminal.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view showing an example of a splice joint crimping machine (hereinafter referred to as a crimping machine) including a preferred embodiment of the electric wire positioning jig of the present invention. FIG. 2 is a perspective view showing the crimping machine of FIG. 1 from the D direction.
First, the structure of the splice joint crimping machine 10 will be briefly described with reference to FIGS. 1 and 2.

The crimping machine 10 shown in FIG. 1 and FIG. 2 positions a trunk core wire and a branch core wire, which are electric wires, with respect to the crimp terminal 100 and pressurizes the crimp terminal 100 to press the trunk wire and branch. Manufacture electrical joints of wire cores.
The crimping machine 10 includes a base 11, a shank 12, a guide 13, a feed claw 14, a feed cam 15, a spring 16, a clamper 17, a slide cutter 20, an anvil 21, an electric wire positioning jig 30, and the like. The guide 13 is disposed on the base 11, and the shank 12 is disposed on the wire positioning jig 30, the slide cutter 20, and the anvil 21.

As shown in FIG. 2, the feed claw 14 is an example of a feed member for feeding the crimp terminal 100. A middle portion of the feed claw 14 is connected to the lower portion of the feed cam 15 by a shaft 25, and a spring 16 is hung between the rear end portion 22 of the feed claw 14 and the upper end portion of the feed cam 15, The tip 23 of the feed claw 14 is urged toward the guide 13 side.
As shown in FIG. 2, by rotating the feed shaft 26C, the feed cam 15 can swing in the J direction about the rotation shaft 26B. The tip 23 of the feed claw 14 fits into, for example, a hole formed in the carrier portion of the crimp terminal, and the feed cam 15 swings so that the feed claw 14 can move in the T direction. A predetermined stroke can be sent along the guide 13 in the T direction.

  As shown in FIG. 2, the shank 12 holds the clamper 17, and the crimp terminal 100 shown in FIG. 1 is detachably placed on the anvil 21. When the shank 12 is lowered in the Z1 direction, the clamper 17 crimps the crimp terminal 100.

  As shown in FIGS. 1 and 2, the electric wire positioning jig 30 has a jig tip 31 and a connecting part 32. One end of the connecting portion 32 is connected to the jig tip portion 31, and the other end of the connecting portion 32 is connected to the shaft 25 of the feed claw 14. Accordingly, the wire positioning jig 30 can be retracted by a predetermined stroke in the S direction as the feed claw 14 moves backward in the S direction. It is possible to retreat along the S direction from the state of being positioned at.

Next, an example of the shape of the wire positioning jig 30 will be described with reference to FIG.
The wire positioning jig 30 shown in FIG. 3 is made of metal or plastic, and the end of the connecting portion 32 of the wire positioning jig 30 has a hole 26 through which the shaft 25 passes. The connecting portion 32 is a member having a rectangular cross section, and a middle portion of the connecting portion 32 is a bent portion 33 having a slight angle in order to match the shape of the feed claw 14 shown in FIGS.

  As shown in FIG. 3, the jig tip 31 of the electric wire positioning jig 30 has a first protrusion 41 and a second protrusion 42. The first projecting portion 41 is formed to project from the connecting portion 32 along the T direction. The second projecting portion 42 is formed to project from the connecting portion 32 along the W direction orthogonal to the T direction. The positions of the first protrusion 41 and the second protrusion 42 are shifted by a level difference N along the Z direction. The Z direction is a direction orthogonal to the W direction and the T direction.

  As shown in FIG. 3, a first wire abutting surface 51 is formed on the first protrusion 41 of the jig tip 31. The first electric wire abutting surface 51 is abutted with leading ends of core wires of a plurality of branch wires as first electric wires to be described later. The first electric wire abutting surface 51 is a plane formed in the T direction and the Z direction.

  The 2nd protrusion part 42 of the jig front-end | tip part 31 is formed in the substantially L shape seeing from the F direction of FIG. A positioning portion 53 is formed on the second protrusion 42, a second wire abutting surface 52 is formed inside the positioning portion 53, and a third wire abutting surface 52B is formed outside. Has been. A tip end portion of a core wire of a trunk line as a second electric wire described later is abutted against the second electric wire abutting surface 52. Similarly, the second electric wire abutting surface 52 is a plane formed in the T direction and the Z direction, but the first electric wire abutting surface 51 and the second electric wire abutting surface 52 are separated by a distance L with respect to the W direction. Moreover, it is separated by a step N in the Z direction.

  The peeled end portion of the intermediate portion of the trunk as the second electric wire described later is abutted against the third electric wire abutting surface 52B. Similarly, the third electric wire abutting surface 52B is a plane formed in the T direction and the Z direction. The first electric wire abutting surface 51, the second electric wire abutting surface 52, and the third electric wire abutting surface 52B are parallel to each other.

Next, with reference to FIG. 4, the example of the shape of the said slide cutter 20 and the anvil 21 is demonstrated.
The slide cutter 20 shown in FIG. 4 has a substantially rectangular parallelepiped shape, and includes an upper portion 59, a base portion 60, a housing portion 61, and a groove portion 62. The groove 62 is formed along the T direction. As shown in FIG. 5, the accommodating portion 61 detachably accommodates and positions a part of the jig tip 31 of the electric wire positioning jig 30. That is, the lower portion 41B of the first projecting portion 41 and the lower portion 42B of the second projecting portion 42 shown in FIG. 3 are fitted into the accommodating portion 61 shown in FIG. 4, and the tip portion of the first projecting portion 41 shown in FIG. 41C is abutted against the abutting inner surfaces 61B and 61C of the accommodating portion 61 shown in FIG.

Accordingly, the jig tip 31 of the electric wire positioning jig 30 shown in FIG. 3 is easily fitted into the upper portion 59 of the slide cutter 20 in FIG. 4 from the F direction in FIG. 4 and positioned in the W direction and the T direction. Can be fixed. The carrier portion 101 of the crimp terminal 100 shown in FIG. 5 is inserted into the groove portion 62 of the slide cutter 20 along the T direction. Thereby, the carrier portion 101 of the crimp terminal 100 can be positioned with respect to the slide cutter 20.
On the other hand, as shown in FIG. 4, the anvil 21 has a rectangular base portion 70 and a receiving portion 71. The receiving portion 71 is formed in an arc shape to receive and hold the crimp terminal 100 as shown in FIG.

Next, using the wire positioning jig 30 described above, the trunk line 300 and the plurality of branch lines 201, 292, and 203 shown in FIG. An example of operation for connection will be described.
The example shown in FIG. 6 is an example of a butt joint type in which the trunk line 300 and each branch line 201, 202, 203 are positioned by abutting the leading ends of the core wires.
First, as shown in FIG. 5, the jig tip 31 of the electric wire positioning jig 30 is arranged and positioned in the accommodating portion 61 of the slide cutter 20 shown in FIG. 4. On the other hand, as shown in FIG. 5, the crimp terminal 100 is arrange | positioned and positioned in the receiving part 72 of the anvil 21 shown in FIG.

  At this time, as shown in FIG. 5, the carrier portion 101 of the crimp terminal 100 is disposed in the groove 62 of the slide cutter 20. The cross section of the crimp terminal 100 is formed in a substantially semicircular arc shape, and the opening side of the crimp terminal 100 faces the second projecting portion 42 of the jig tip 31 along the Z2 direction. It is located in the vicinity of the electric wire abutting surface 51, the second electric wire abutting surface 52, and the third electric wire abutting surface 52B. In this way, the jig tip 31 of the electric wire positioning jig 30 is set on the slide cutter 20, and the crimp terminal 100 is set on the receiving part 72 of the anvil 21.

  Next, as shown in FIG. 6, the worker prepares, for example, three branch lines 201, 202, and 203 and one trunk line 300. The ends of the covering 230 of the branch lines 201, 202, and 203 are peeled off, and the core wire 220 is exposed. The core wire dimension of the core wire 220 of the branch lines 201, 202, 203 is indicated by G. Similarly, the end portion of the covering 240 of the trunk line 300 is peeled off, and the core wire 250 is exposed. The core wire dimension of the core wire 250 of the trunk line 300 is represented by H.

  As shown in FIG. 6, the operator holds the three branch lines 201, 202, and 203 by hand and puts them in the crimping jig 100 while being arranged along the Z <b> 1 direction. Then, for example, the worker puts one trunk line 300 with his / her hand along the Z1 direction. As a result, as shown in FIG. 7, one trunk line 300 and three branch lines 201, 202, 203 are stacked in the Z1 direction. The direction of the front end portion 270 of the core wire 250 of one trunk line 300 and the direction of the front end portion 225 of the core wire 220 of the three branch lines 201, 202, and 203 are opposite to each other in the W direction.

  FIG. 8 is a diagram showing a positioning state of the branch lines 201, 202, 203 and the trunk line 300 viewed from the F direction shown in FIG. FIG. 9 is a diagram showing a positioning state of the branch lines 201, 202, 203 and the trunk line 300 viewed from the K direction shown in FIG.

  As shown in FIG. 7, FIG. 8 and FIG. 9, the operator abuts the tip end portion 225 of the core wire 220 of the three branch lines 201, 202, 203 against the first electric wire abutting surface 51, Positioning in the W direction of the tip end portion 225 of the core wire 220 of the three branch lines 201, 202, 203 is performed. In addition, the operator abuts the tip end portion 270 of the core wire 250 of the trunk line 300 against the second electric wire abutting surface 52 and positions the tip end portion 270 of the core wire 250 of the trunk line 300 in the W direction.

  Thereby, the front-end | tip part 225 of the core wire 220 of each branch line 201,202,203 can align the position with the 1st electric wire contact surface 51. FIG. And the front-end | tip part 270 of the core wire 250 of the trunk line 300 can also align a position with the 2nd electric wire abutting surface 52. FIG.

  After that, as shown in FIG. 10A, the clamper 17 crimps the crimp terminal 100 when the shank 12 is lowered in the Z1 direction. When moving to the crimping operation of the crimp terminal 100, the feed cam 15 shown in FIGS. 1 and 2 operates and the wire positioning jig 30 moves backward in the S direction in conjunction with the feed claw 14. The slide cutter 20 cuts the carrier portion 101 of the crimp terminal 100.

When the shank 12 is lowered to the bottom dead center, the crimping terminal 100 is crimped as shown in FIG. 10B, and the shank 12 is raised.
Then, the feed claw 14 shown in FIG. 2 moves in the T direction and feeds a new crimp terminal 100 for next crimping to the receiving portion 72 of the anvil 21. At the same time that the feed claw 14 feeds the new crimp terminal 100 to the receiving portion 72 of the anvil 21, the jig tip 31 of the wire positioning jig 30 is positioned on the slide cutter 20 side.

  FIG. 11 shows an example of a plurality of crimp terminals 100 and a carrier portion 101. A hole 199 is formed in the carrier portion 101 corresponding to each crimp terminal 100, and the tip 23 of the feed claw 14 gets into the hole 199 and moves in the T direction. It can be sent to the receiving portion 72 and positioned.

  In the embodiment of the present invention shown in FIGS. 1 to 11, the electric wire positioning jig 10 includes a first core wire 220 that is exposed by peeling off the coating 230 of the branch wires 201, 202, and 203 as the first electric wire, The second core wire 250 exposed by peeling off the coating 240 of the trunk wire 300 as the second electric wire is positioned with respect to the crimp terminal 100. The electric wire positioning jig 10 has a first electric wire abutting surface 51 that abuts the distal end portion 225 of the first core wire 220 of the branch wires 201, 202, 203 to align the position of the distal end portion 225 of the first core wire 220. Thereby, the front-end | tip part 225 of the 1st core wire 220 of branch line 201,202,203 can be easily and reliably positioned using the 1st electric wire contact surface 51. FIG. Therefore, the crimping positions of all the branch lines 201, 202, 203 can be made uniform.

  Moreover, even if the crimp terminal 100 is subjected to an electrical insulation process such as a tube or a tape, the distal end portion 225 of the first core wire 220 of the branch lines 201, 202, 203 does not break through the electrical insulation process part. For this reason, the core wire protruding allowance (the protruding length of the distal end portion 225 from the crimp terminal 100) of the first core wire 220 of the branch wires 201, 202, 203 can be restricted to be short, and the distal end portion 225 of the first core wire 220 can be regulated. Does not pop out from the crimp terminal 100, and electrical insulation in the crimp terminal 100 can be ensured.

  Moreover, this electric wire positioning jig 10 has the 2nd electric wire abutting surface 52 which abuts the front-end | tip part 270 of the 2nd core wire 250 of the trunk line 300 which is a 2nd electric wire. Thereby, even if an electrical insulation process such as a tube or a tape is applied to the crimp terminal 100, the distal end portion 270 of the second core wire 250 of the trunk line 300 does not break through the electrical insulation process part. For this reason, the front-end | tip part 270 of the 2nd core wire 250 of the trunk line 300 can be easily and reliably positioned using the 2nd electric wire abutting surface 52. FIG. Therefore, the crimping positions of all the trunk lines 300 and the branch lines 201, 202, and 203 can be made uniform.

  In addition, the lead wire projecting dimension of the second core wire 250 of the trunk line 300 (the protruding length of the tip portion 270 from the crimp terminal 100) can be restricted to be short, and the tip portion 270 of the second core wire 250 of the trunk line 300 is the crimp terminal. Since it does not jump out from 100, electrical insulation in the crimp terminal 100 can be secured.

Furthermore, the wire positioning jig 10 includes a connecting portion 32 connected to the feed claw 14 as a feed member for feeding the crimp terminal 100, and the wire positioning jig 10 is fed when the crimp terminal 100 is crimped. In conjunction with the movement of the claw 14, it is retracted from the crimp terminal 100. Thereby, when the crimp terminal 100 is crimped, the wire positioning jig 10 is retracted from the crimp terminal 100 side in conjunction with the retreating operation of the feed claw 14 for feeding the crimp terminal 100 in the S direction. Can do. Therefore, the electric wire positioning jig 10 does not remain, and the electric wire positioning jig 10 interferes with the crimp terminal 100, or the electric wire positioning jig 10 interferes with the electric wire and causes damage or deformation. Can be prevented.
Further, the electric wire positioning jig 10 is detachably positioned in the accommodating portion 61 of the slide cutter 20 that cuts the crimp terminal 100 from the carrier portion 101. Thereby, the electric wire positioning jig 10 can be positioned reliably.

Next, another example of the trunk line in which the electric wire positioning jig 30 of the present invention can be used will be described.
In the trunk line 300 shown in FIGS. 6 and 7, the end portion of the covering 240 of the trunk line 300 is peeled off to expose the core wire 250, and the tip end portion 270 of the core wire 250 is abutted against the second abutting surface 52. . That is, the trunk line 300 and the branch lines 201, 202, and 203 are examples of a butt joint type that is positioned by abutting the leading end portions of the core wires.

  On the other hand, another example shown in FIGS. 12 and 13 is an example of an intermediate joint type in which the covering 240 of the intermediate portion 400 of the trunk line 300 is peeled off. Accordingly, the core portion 250 is exposed at the intermediate portion 400 and has two peeled end portions 390 and 391 of the covering 240. The main line 300 is positioned with respect to the third abutting surface 52B by the one peeled end 391 of the main line 300 abutting against the third abutting surface 52B.

  The third abutting surface 52B is formed in the positioning portion 53, and is located on the opposite side to the second abutting surface 52 shown in FIGS. Also in the embodiment shown in FIGS. 12 and 13, as in the embodiment shown in FIGS. 1 to 11, the leading end portion 225 of the core wire 220 of each branch line 201, 202, 203 is in relation to the first abutting surface 51. It is positioned by abutting.

  In the intermediate joint type of the embodiment of the present invention shown in FIGS. 12 and 13, the intermediate portion 400 of the covering 240 of the trunk line 300 that is the second electric wire is peeled off to expose the second core wire 250. The electric wire positioning jig 10 has a third electric wire abutting surface 52 </ b> B that abuts the peeled end portion 391 of the sheath 240 of the trunk line 300. Thereby, even if it is an intermediate joint type, the front-end | tip part 225 of the 1st core wire 220 of branch line 201,202,203 can be easily and reliably positioned using the 1st electric wire abutting surface 51. FIG. Therefore, the crimping positions of all the branch lines 201, 202, 203 can be made uniform.

  Moreover, even if the crimp terminal 100 is subjected to an electrical insulation process such as a tube or a tape, the distal end portion 225 of the first core wire 220 of the branch lines 201, 202, 203 does not break through the electrical insulation process part. For this reason, the core wire protruding allowance (the protruding length of the distal end portion 225 from the crimp terminal 100) of the first core wire 220 of the branch wires 201, 202, 203 can be restricted to be short, and the distal end portion 225 of the first core wire 220 can be regulated. Does not pop out from the crimp terminal 100, and electrical insulation in the crimp terminal 100 can be ensured. Therefore, the crimping positions of all the trunk lines 300 and the branch lines 201, 202, and 203 can be made uniform.

  The electric wire positioning jig 30 according to the embodiment of the present invention includes a first core wire 220 in which the coating 230 of the first branch wires 201, 202, and 203 that are first electric wires is peeled and exposed, and a trunk wire that is the second electric wire. The second core wire 250 exposed by peeling off the coating 240 of 300 is positioned with respect to the crimp terminal 100. The electric wire positioning jig 30 has a first electric wire abutting surface 51 that abuts the front end portion 225 of the first core wire 220 of the first branch wires 201, 202, 203 to align the position of the front end portion 225 of the first core wire 220. Have.

  Thereby, the front-end | tip part 225 of the 1st core wire 220 can be positioned easily and reliably using the 1st electric wire abutting surface 51, and the crimping | compression-bonding position of all the branch lines 201, 202, 203 is uniform. can do. Even if an electrical insulation process such as a tube or a tape is applied to the crimp terminal 100, the tip 225 of the first core wire 220 does not break through the electrical insulation process part. For this reason, the core wire protruding allowance (the protruding length of the tip end portion 225 from the crimp terminal 100) of the first core wire 220 can be restricted to be short, and electrical insulation in the crimp terminal 100 can be ensured.

  The electric wire positioning jig 30 has a second electric wire abutting surface 52 that abuts the distal end portion 270 of the second core wire 250 of the trunk line 300 that is the second electric wire. Thereby, the front-end | tip part 270 of the 2nd core wire 250 can be positioned easily and reliably using the 2nd electric wire contact surface 52, and the crimping | compression-bonding position of the trunk line 300 and all the branch lines 201,202,203 is , Can be uniform. Even if the crimp terminal 100 is subjected to an electrical insulation process such as a tube or a tape, the distal end portion 225 of the first core wire 220 and the distal end portion 270 of the second core wire 250 do not break through the electrical insulation treatment portion. For this reason, the core wire protruding dimension of the first core wire 220 (the protruding length of the tip 225 from the crimp terminal 100) and the core wire protruding dimension of the second core wire 250 can be restricted to be short, and the electric insulation in the crimp terminal 100 can be controlled. Can be secured.

  The electric wire positioning jig 30 has the intermediate portion of the covering 240 of the trunk line 300 as the second electric wire peeled off to expose the second core wire 250, and a peeled end portion 391 of the peeled covering 240 is abutted. It has the 3rd electric wire abutting surface 52B. Thereby, even if it is an intermediate joint type in which the intermediate position of the covering of the trunk line 300 is peeled off, the crimping positions of the second core wire 250 of the trunk line 300 and all the branch lines 201, 202, 203 are made uniform. be able to.

  The electric wire positioning jig 30 includes a connecting portion 32 connected to the feed claw 14 as a feed member for feeding the crimp terminal 100, and in conjunction with the movement of the feed claw 14 when crimping the crimp terminal 100, Retracted from the crimp terminal 100. Thereby, the electric wire positioning jig 10 does not remain, and the electric wire positioning jig 10 interferes with the crimp terminal 100, or the electric wire positioning jig 10 interferes with the electric wire to cause damage or deformation. Adverse effects can be prevented.

  The electric wire positioning jig 30 is detachably positioned and arranged in the accommodating portion 61 of the slide cutter 20 that cuts the crimp terminal 100 from the carrier portion 101. Thereby, the electric wire positioning jig 30 can be detachably positioned using a slide cutter.

By the way, this invention is not limited to the said embodiment, A various modified example is employable.
For example, the number of branch lines as the first electric wire is three in the illustrated example, but the number is not limited to this, and one, two, or four or more may be used. Further, the number of trunk lines (also referred to as main lines) as the second electric wires is one in the illustrated example, but the number is not limited to this, and two or more may be used.

  In the illustrated embodiment, the trunk line 300 and the plurality of branch lines 201, 202, and 203 are substantially arranged in the Z direction, which is the vertical direction. However, the present invention is not limited to this, for example, the branch lines are arranged along the T direction. May be. In any case, it suffices if the tip portions of the core wires of the plurality of branch lines are abutted against the first abutting surface.

It is a perspective view which shows an example of a splice joint crimping machine provided with preferable embodiment of the electric wire positioning jig of this invention. It is a perspective view which shows the crimping machine of FIG. 1 from the D direction. It is a perspective view which shows the example of a shape of an electric wire positioning jig. It is a figure which shows the example of a shape of a slide cutter and an anvil. It is a perspective view which shows the state by which the electric wire positioning jig was set to the slide cutter, and the crimp terminal was set to the anvil. It is a perspective view which shows the state before a trunk line and a branch line are arrange | positioned. It is a perspective view which shows the state by which the trunk line and the branch line are arrange | positioned. It is the top view which looked at FIG. 7 from the F direction. It is the side view which looked at FIG. 7 from the K direction. It is a figure which shows the state before and after a crimp terminal is crimped. It is a perspective view which shows the example of a shape of a crimp terminal and a carrier part. It is a figure which shows another example of this invention. It is the side view seen from the K direction of FIG.

Explanation of symbols

10 Crimping machine 12 Shank 14 Feeding claw (feeding member)
17 Clamper 20 Slide cutter 21 Anvil 30 Electric wire positioning jig 31 Jig tip part 32 Connection part 51 1st electric wire abutting surface 52 2nd electric wire abutting surface 52B 3rd electric wire abutting surface
100 Crimping terminal 101 Carrier portion 201, 202, 203 Branch line (first electric wire)
220 Branch wire (first core wire)
225 Core wire tip 230, 240 Covering 250 Trunk core wire (second core wire)
270 End of core wire 300 Trunk line (second electric wire)

Claims (12)

A wire positioning jig for positioning the first core wire exposed by peeling off the coating of the first electric wire and the second core wire exposed by peeling off the coating of the second electric wire with respect to the crimp terminal. There,
An electric wire positioning jig comprising a first electric wire abutting surface that abuts the front end portion of the first core wire of the first electric wire to align the position of the front end portion of the first core wire.   The electric wire positioning jig according to claim 1, further comprising a second electric wire abutting surface that abuts a tip end portion of the second core wire of the second electric wire.   An intermediate portion of the covering of the second electric wire is peeled off to expose the second core wire, and a third electric wire abutting surface that abuts an end portion of the covering of the second electric wire peeled off is provided. The electric wire positioning jig according to claim 1.   The electric wire positioning jig according to any one of claims 1 to 3, wherein the crimping terminal is detachably positioned and arranged in a receiving portion of a slide cutter that cuts the carrier portion.   The wire positioning jig according to claim 4, wherein the first electric wire is a plurality of branch wires, and the second electric wire is a trunk line. An electric wire positioning jig for positioning the first core wire exposed by peeling off the coating of the first electric wire and the second core wire exposed by peeling off the coating of the second electric wire with respect to the crimp terminal. A crimping machine that crimps the first core wire and the second core wire against the crimp terminal,
A crimping machine comprising: an electric wire positioning jig having a first electric wire abutting surface that abuts the distal end portion of the first core wire of the first electric wire to align the position of the distal end portion of the first core wire.   The crimping machine according to claim 6, further comprising a second electric wire abutting surface that abuts a tip end portion of the second core wire of the second electric wire.   An intermediate portion of the covering of the second electric wire is peeled off to expose the second core wire, and a third electric wire abutting surface that abuts an end portion of the covering of the second electric wire peeled off is provided. The crimping machine according to claim 6.   The feed member for feeding the crimp terminal, comprising: the feed member connected to the wire positioning jig and retracting the wire positioning jig from the crimp terminal. Item 9. The crimping machine according to any one of items 8.   The crimping machine according to claim 9, wherein the electric wire positioning jig is detachably positioned in a receiving portion of a slide cutter that cuts the crimping terminal from a carrier portion.   The crimping machine according to claim 10, wherein the first electric wire is a plurality of branch wires, and the second electric wire is a trunk line. The first core wire exposed by peeling off the coating of the first electric wire and the second core wire exposed by peeling off the coating of the second electric wire are positioned with respect to the crimp terminal using the electric wire positioning jig. An electric wire positioning method for
The electric wire positioning characterized by aligning the position of the front-end | tip part of the said 1st core wire by abutting the front-end | tip part of the said 1st electric wire of the said 1st electric wire to the 1st electric wire abutting surface of the said electric wire positioning jig. Method.

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