JP2015177680A - Wire processing device and wire processing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent lengths of wires from being varied after a coating layer is exfoliated or the wires are cut in a wire harness where a plurality of wires are not arranged in one line relatively to a coupler.SOLUTION: A first blade tool 1 and a second blade tool 2 are provided which are rotated relatively. In the first blade tool 1, a plurality of insertion holes into which a wire 92 is inserted are formed in a relative rotation direction and blade parts for cutting the wire 92 are formed in portions surrounding the insertion holes. In the second blade tool 2, insertion holes and blade parts are also similarly formed. In the state where the wire 92 is inserted into the insertion holes of the first blade tool 1 and the second insertion part of the second blade tool 2, the first blade tool 1 and the second blade tool 2 are rotated relatively and an overlapping range between the insertion holes of the first blade tool 1 and the second insertion hole of the second blade tool 2 is made narrow, such that the wire 92 is cut.

Description

  The present invention relates to a wire processing apparatus and a wire processing method for performing stripping or wire cutting of a wire harness in which a plurality of wires are integrally held by a holding member.

  2. Description of the Related Art Conventionally, as a wire processing apparatus that simultaneously peels a plurality of wire coating layers in a state in which a plurality of wires are integrally held by a holding member, two blades for cutting a wire coating layer are provided. There has been proposed a structure in which a plurality of wires are sandwiched therebetween, and a coating layer of the wire is cut and the coating layer is peeled off (for example, see Patent Document 1).

  The plurality of wires are arranged in one row and held by the holding member, and are arranged in one row and are sandwiched between two blades. In other words, the plurality of wires are arranged in a plane. Therefore, the length of the part covered with the coating layer in each wire can be made equal by pinching between two blades in a state where a plurality of wires are arranged in parallel and peeling the coating layer.

JP 2008-271632 A

  However, in the conventional wire processing apparatus, since a plurality of wires are arranged in one row and are sandwiched between two blades, a plurality of wires are arranged in, for example, two rows and are held by a holding member. In this case, there arises a problem that the lengths of the portions covered with the coating layer in each wire after the coating layer is peeled off are different.

  In addition, although it is possible to cut a plurality of wires simultaneously using a conventional wire processing apparatus, in the case of a wire harness in which a plurality of wires are arranged in two rows and held by a holding member, for example, There arises a problem that the lengths of the wires are different.

  In view of the above, the present invention suppresses variation in length of each wire after the covering layer is peeled or the wire is cut in a wire harness in which a plurality of wires are not arranged in a row with respect to the holding member. The purpose is to do.

  In order to achieve the above object, according to the first aspect of the present invention, the plurality of wires (92) covering the core wire (921) with the covering layer (922) are integrally held by the holding member (91). In the wire processing device for cutting the wire with the first blade (1) and the second blade (2) that rotate relative to each other, the first blade has a first insertion hole (11) into which the wire is inserted. A plurality of first blade portions (12) that are formed along the relative rotational direction, and the first blade portion (12) for cutting the wire is formed in a portion surrounding the first insertion hole portion, and the second blade tool is a second portion into which the wire is inserted. A plurality of insertion hole portions (21) are formed along the relative rotation direction, and a second blade portion (22) for cutting the wire is formed at a portion surrounding the second insertion hole portion. To do.

  According to this, by arranging the plurality of wires with respect to the holding member and the arrangement of the first insertion hole portion and the second insertion hole portion equal, in other words, by arranging the plurality of wires in three dimensions, However, in the wire harness that is not arranged in one row with respect to the holding member, it is possible to suppress the length variation of each wire after the covering layer is peeled off or after the wire is cut.

  According to the second aspect of the present invention, the wire is cut while the plurality of wires (92) covering the core wire (921) with the covering layer (922) are integrally held by the holding member (91). In the wire processing method, a plurality of first insertion holes (11) into which wires are inserted are formed along the relative rotation direction, and a first blade portion (12) for incising the wires is a first insertion. A plurality of first cutting tools (1) formed in a portion surrounding the hole and a plurality of second insertion holes (21) into which the wire is inserted are formed along the relative rotation direction, and the wire is cut. A second blade (2) formed at a portion where the two blade portions (22) surround the second insertion hole portion is prepared, and a wire is inserted into the first insertion hole portion and the second insertion hole portion. The first insertion hole and the second insertion are made by relatively rotating the first blade and the second blade. By narrowing the polymerization range of parts, characterized by having a step cut incisions on the wire.

  Accordingly, the same effect as that of the first aspect of the invention can be obtained.

  According to a third aspect of the present invention, in the wire processing method according to the second aspect, in the cutting step, the coating layer is cut, and after the cutting step, a polymerization range of the first insertion hole portion and the second insertion hole portion. The wire and the holding member, and the first cutting tool and the second cutting tool are moved in a direction of moving away from each other in a narrowed state.

  According to this, the coating layers of a plurality of wires can be peeled off at the same time while suppressing variations in the length of each wire.

  According to a fourth aspect of the present invention, in the wire processing method according to the second aspect, in the cutting step, the wire is cut by cutting the core wire.

  According to this, a plurality of wires can be cut at the same time while suppressing variations in length of the wires.

  In addition, the code | symbol in the bracket | parenthesis of each means described in this column and the claim shows the correspondence with the specific means as described in embodiment mentioned later.

It is a figure which shows the process process by the wire processing apparatus which concerns on one Embodiment of this invention. It is a figure when the 1st blade tool of FIG. 1 is seen along a 1st blade tool rotating shaft. It is a figure when the 2nd blade tool of FIG. 1 is seen along the 1st blade tool rotating shaft. It is a figure when the 1st blade tool and the 2nd blade tool of Drawing 1 are seen along the 1st blade tool rotation axis. It is an enlarged view of the A section of FIG.

  An embodiment of the present invention will be described.

  As shown in FIG. 1, the workpiece 9 includes a coupler 91 as a holding member in which four through holes are formed, and four wires 92 that are passed through the through holes of the coupler 91. 92 is integrally held by a coupler 91.

  The wires 92 held by the coupler 91 are arranged in two rows up and down, two wires are arranged in the upper row in the horizontal direction, and two wires 92 are also arranged in the lower row in the horizontal direction. The wire 92 is obtained by covering a core wire 921 made of a metal with good electrical conductivity with a coating layer 922 made of a resin having high electrical insulation.

  The wire processing apparatus includes a thin disk-shaped first cutting tool 1 for cutting the wire 92 of the workpiece 9, a thin disk-shaped second cutting tool 2 for cutting the wire 92, and a wire guide for holding the wire 92 during wire processing. 3 and the stopper 4 with which the tip of the wire 92 abuts during wire processing are provided as main components.

  As shown in FIGS. 1 and 2, the first cutting tool 1 is driven by a driving means (not shown) and rotates about its axis J as a rotation axis. More specifically, when cutting the wire 92, it rotates in the direction of arrow B. Hereinafter, the rotation in the direction of arrow B is referred to as first blade rotation direction B.

  The first cutting tool 1 has four quadrangular first insertion holes 11 into which the wires 92 are inserted along the rotation direction.

  Of the four sides surrounding the first insertion hole 11, the first blade 12 that cuts the wire 92 is formed on two sides located on the rear side in the first blade rotation direction B. The crossing angle between the two sides where the first blade 12 is formed is 90 °.

  As shown in FIGS. 1 and 3, the second cutting tool 2 is disposed between the first cutting tool 1 and the wire guide 3 and is fixed to the end of the wire guide 3. In addition, although the 2nd cutting tool 2 does not rotate, the 1st cutting tool 1 and the 2nd cutting tool 2 rotate relatively by the 1st cutting tool 1 rotating. More specifically, when the first cutting tool 1 rotates in the first cutting tool rotation direction B, the second cutting tool 2 rotates relative to the first cutting tool 1 in the direction of arrow C. Hereinafter, the relative rotation in the direction of arrow C is referred to as second blade relative rotation direction C.

  In the second cutting tool 2, four rectangular second insertion holes 21 into which the wires 92 are inserted are formed along the relative rotation direction.

  Of the four sides surrounding the second insertion hole 21, the second blade portion 22 for cutting the wire 92 is formed on two sides located on the rear side in the second blade relative rotation direction C. The crossing angle of the two sides where the second blade 22 is formed is 90 °.

  As shown in FIG. 1, the wire guide 3 has a cylindrical shape, and four guide through holes 31 into which the wires 92 are inserted are formed along the circumferential direction.

  Next, a procedure for peeling off the coating layer 922 on the distal end side of the wire 92 using a wire processing apparatus will be described.

  First, a workpiece 9 is prepared in which the length from the portion of the wire 92 held by the coupler 91 to the tip of the wire 92 is uniform.

  In the wire insertion step, as shown in FIG. 1A, the four wires 92 of the prepared workpiece 9 are inserted into the guide through hole 31. Subsequently, as shown in FIG. 1B, the four wires 92 are inserted into the second insertion hole portion 21, and the four wires 92 are further inserted into the first insertion hole portion 11, so that the four wires The tip of 92 is brought into contact with the stopper 4.

  Subsequently, in the cutting process, as shown in FIG. 1C, the first cutting tool 1 is moved to the first cutting tool 1 with the four wires 92 inserted into the first insertion hole portion 11 and the second insertion hole portion 21. Rotate in the rotation direction B to a predetermined position. That is, the first cutting tool 1 and the second cutting tool 2 are relatively rotated.

  Thereby, as shown in FIGS. 4 and 5, the overlapping range of the first insertion hole portion 11 and the second insertion hole portion 21 is narrowed, the first blade portion 12 and the second blade portion 22 bite into the coating layer 922, A cut is made in the covering layer 922.

  In addition, when viewed along the rotation axis of the first cutting tool 1, the arrangement of the four first insertion hole portions 11, the arrangement of the four second insertion hole portions 21, and the arrangement of the four guide through holes 31 are as follows. The arrangement of the four wires 92 with respect to the coupler 91 is the same.

  More specifically, when the first blade portion 12 and the second blade portion 22 bite into the coating layer 922 (see FIGS. 4 and 5), when viewed along the rotation axis of the first blade tool 1, The space defined by the first blade portion 12 and the second blade portion 22 (that is, the portion surrounding the core wire 921), the guide through hole 31, and the holding portion of the wire 92 by the coupler 91 are linearly overlapped. Yes.

  Subsequently, in the coating peeling process, as shown in FIG. 1 (d), the overlapping range of the first insertion hole portion 11 and the second insertion hole portion 21 is kept narrow, that is, the first blade portion 12 and the first insertion portion. The work 9 is moved in a direction away from the first cutting tool 1 and the second cutting tool 2 with the two cutting edge portions 22 biting into the coating layer 922.

  As a result, a portion of the coating layer 922 that is on the tip side of the portion where the first blade portion 12 and the second blade portion 22 have bite is separated from the wire 92. That is, the coating layer 922 on the distal end side of the wire 92 is peeled off.

  According to this embodiment, the arrangement of the four first insertion holes 11, the arrangement of the four second insertion holes 21, and the arrangement of the four guide through holes 31 are the same as the arrangement of the four wires 92 with respect to the coupler 91. Therefore, after the covering layer 922 is peeled off, it is possible to suppress the variation in length of the portions of the four wires 92 covered with the covering layer 922. As a result, the covering layer 922 in the core wire 921 Variation in length of the peeled site can be suppressed.

(Other embodiments)
In the above-described embodiment, the present invention is applied to the processing of the wire harness in which the four wires 92 are arranged in two rows and are held by the coupler 91. However, in the present invention, three or more wires 92 are arranged in a plurality of rows. And can be applied to the processing of the wire harness held by the coupler 91.

  In the above embodiment, the coating layer 922 of the wire 92 is peeled off in the cutting process. However, the wire 92 may be cut by cutting the core wire 921 in the cutting process. According to this, it is possible to simultaneously cut a plurality of wires 92 while suppressing variations in length of the wires 92 after cutting.

  In the above embodiment, in the cutting process, only the first cutting tool 1 out of the first cutting tool 1 and the second cutting tool 2 is rotated in the first cutting tool rotation direction B. In the cutting process, the first cutting tool 1 is moved to the first cutting tool 1. The second blade 2 may be rotated in the opposite direction while rotating in the one blade rotation direction B.

  In addition, this invention is not limited to above-described embodiment, In the range described in the claim, it can change suitably.

  Further, in the above-described embodiment, it is needless to say that elements constituting the embodiment are not necessarily indispensable except for the case where it is clearly indicated that the element is essential and the case where the element is clearly considered to be essential in principle. .

  Further, in the above embodiment, when numerical values such as the number, numerical value, quantity, range, etc. of the constituent elements of the embodiment are mentioned, it is particularly limited to a specific number when clearly indicated as essential and in principle. The number is not limited to a specific number except for cases.

  In the above embodiment, when referring to the shape, positional relationship, etc. of components, the shape, position, etc., unless otherwise specified and in principle limited to a specific shape, positional relationship, etc. It is not limited to relationships.

DESCRIPTION OF SYMBOLS 1 1st blade tool 2 2nd blade tool 11 1st insertion hole part 12 1st blade part 21 2nd insertion hole part 22 2nd blade part 91 Coupler (holding member)
92 wire 921 core wire 922 coating layer

Claims (4)

The first blade tool (1) and the second blade tool (1) and the second blade tool (1) that rotate relative to each other in a state where the plurality of wires (92) covering the core wire (921) with the covering layer (922) are integrally held by the holding member (91). 2) a wire processing device for cutting into the wire according to
The first cutting tool includes a plurality of first insertion holes (11) into which the wire is inserted along a relative rotation direction, and a first blade (12) for cutting the wire. 1 is formed at the site surrounding the insertion hole,
In the second cutting tool, a plurality of second insertion holes (21) into which the wire is inserted are formed along the relative rotational direction, and the second blade part (22) for cutting the wire is provided in the first cutting tool. 2. A wire processing apparatus, wherein the wire processing apparatus is formed in a portion surrounding the insertion hole. A wire processing method for cutting a wire in a state where a plurality of wires (92) covering a core wire (921) with a covering layer (922) are integrally held by a holding member (91),
A plurality of first insertion holes (11) into which the wire is inserted are formed along the relative rotation direction, and a first blade part (12) for cutting the wire surrounds the first insertion hole. A first cutting tool (1) formed on the site;
A plurality of second insertion holes (21) into which the wire is inserted are formed along the relative rotation direction, and a second blade part (22) for cutting the wire surrounds the second insertion hole. Preparing a second cutting tool (2) formed on the site;
With the wire inserted into the first insertion hole and the second insertion hole, the first insertion hole and the second insertion hole are rotated relative to each other by the first cutting tool and the second cutting tool. A wire processing method comprising: a cutting step of cutting the wire by narrowing a polymerization range of the wire. In the incision step, incision is made in the coating layer,
After the cutting step, the wire and the holding member, the first cutting tool and the second cutting tool are relatively moved with the overlapping range of the first insertion hole and the second insertion hole narrowed. The wire processing method according to claim 2, wherein the wire is moved in a direction away from each other.   The wire cutting method according to claim 2, wherein in the cutting step, the wire is cut by cutting the core wire.

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