JP2002025363A - Electric wire processing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To carry out a processing of any position and size in a length direction of an end of each wire, holding a plurality of wires in a set. SOLUTION: An advance and retreat unit 1 has a wire holding part 3a to 3e, an engagement means 5a to 5e, an advance and retreat guide 4 and an advance and retreat driving means 6. The advance and retreat guide 4 guides each wire holding part 3a to 3e for holding the wire free in advance and retreat to and from processing units A, B, F. The engagement means 5a to 5e can get selectively engaged with the corresponding wire holding parts 3a to 3e. The advance and retreat driving means 6 drives the engagement means 5a to 5e in the direction of advance and retreat of the wire holding parts in a ball screw way. While a plurality of wires are held in a set by the wire holding parts 3a to 3e in the advance and retreat unit, each wire W is let out by any given length toward the processing units A, B, F, thus enabling a processing of any position and size in the length direction at the end of each wire W.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire processing apparatus for performing predetermined processing such as cutting, stripping, terminal crimping, and the like on an end of an electric wire.

[0002]

2. Description of the Related Art Conventionally, with respect to an end of an electric wire (covered wire),
2. Description of the Related Art As a wire processing apparatus for performing a predetermined process such as cutting, stripping, and terminal crimping, a device having a structure in which one long wire is fed by a pair of opposed feed rollers is conventionally known.

[0003] That is, in this apparatus, a process such as cutting, stripping, and terminal crimping is performed by a predetermined processing unit on the end of one long electric wire fed by a feed roller. In this case, the position (dimension in the length direction) and the size of the processing with respect to the end of the electric wire are determined by the length of the feed.

[0004]

By the way, conventionally,
There is a demand that a plurality of types of processed electric wires be delivered in a set (unit). For example, it is conceivable to form a plurality of sets each obtained by processing the ends of the electric wires having different colors of the coating in different length positions and dimensions such as the strip length. In such a case, from the viewpoint of product management, it is preferable that the processing of the electric wires is also performed while a plurality of electric wires are kept as a set.

[0005] However, since the conventional wire processing apparatus as described above is configured to process one long wire while sequentially sending out the wire, a plurality of types of wires are processed each time the wire is processed. Must be replaced.

[0006] The present invention has been made in view of such a point, and while holding a plurality of electric wires as a set,
Arbitrary (longitudinal) for each wire end
It is a main object to provide an electric wire processing apparatus capable of processing a position and a dimension.

[0007]

According to a first aspect of the present invention, there is provided a processing unit for performing predetermined processing on an end of an electric wire;
An advancing / retreating unit for advancing and retreating an electric wire with respect to the processing unit, wherein the advancing / retreating units are arranged in parallel with each other, and a plurality of wire holding portions capable of holding the wires, respectively; And a plurality of engaging means which can selectively engage with the plurality of wire holding portions, respectively, and a plurality of engaging means which can selectively engage with the plurality of electric wire holding portions. An electric wire processing apparatus comprising: an advancing / retreating drive means for driving the combining means in an advancing / retreating direction of the electric wire holding unit.

According to the first aspect of the present invention, in the advance / retreat unit, the corresponding engaging means is engaged with an arbitrary one of the plurality of wire holding portions, and the engaging means is moved by the advance / retreat driving means. By driving, only the wire holding portion can be moved forward and backward with respect to the processing unit. Thereby, any one of the wires held by the plurality of wire holding units is selectively advanced and retracted with respect to the processing unit,
Processing by the processing unit can be performed.

In a second aspect based on the first aspect, the advance / retreat driving means is configured to perform driving by a ball screw.

According to the second aspect, in the first aspect, the advance / retreat driving means can advance the electric wire holding portion with a higher precision (as compared with the case of using a feed roller or the like) by driving the ball screw. Electric wires can be sent out to the unit with high accuracy. For this reason, in processing the end portion of the electric wire by the processing unit, it is possible to improve the accuracy of the position and size in the length direction.

In a third aspect based on the first or second aspect, each wire holding portion has a pair of opposed rollers, and each engaging means engages between the rollers of the wire holding portion. It has a possible engaging claw portion and a claw portion moving means for moving the claw portion forward and backward with respect to the roller of the corresponding electric wire holding portion.

According to the third aspect of the present invention, in the first or second aspect, the engaging claw portion is advanced and retracted with respect to the roller of the corresponding wire holding portion by the lifting / lowering cylinder.
Engagement and disengagement of the electric wire holding portion and the engagement means can be performed smoothly and reliably.

A fourth invention according to any one of the first to third inventions, further comprising a plurality of the processing units, and further comprising moving means for moving the advance / retreat unit along the plurality of the processing units. It is a thing.

According to the fourth invention, in the first to third inventions, the moving unit moves the moving unit along the plurality of processing units, so that the plurality of electric wires held by the moving unit are moved. , Can be selectively processed by an arbitrary processing unit.

[0015]

Next, an embodiment of the present invention will be described with reference to the drawings. 1 to 8 are views showing an embodiment of an electric wire processing apparatus according to the present invention. Hereinafter, the first embodiment and the second embodiment of the present invention will be sequentially described.

[First Embodiment] First, FIGS.
The first embodiment of the present invention will be described with reference to FIG. Hereinafter, the overall configuration of the present embodiment, the configuration of the advance / retreat unit, operations or effects, and modifications will be sequentially described.

<Overall Configuration> In FIGS. 1 and 2, the electric wire processing apparatus according to the present embodiment uses an electric wire (in this case, a covered wire).
A processing unit A for performing predetermined processing on the end of W
B, F, and an advancing / retreating unit 1 for advancing / retreating the electric wire W with respect to these processing units A, B, F. These processing units A, B, F and the advance / retreat unit 1 are all provided on a base Z.

As the processing units A, B and F, a cutting unit A and a strip unit B as shown in FIG.
And a crimping unit F. Among these, the cutting unit A performs fixed-size cutting of the electric wire W, the strip unit B performs the coating removal of the end of the electric wire W, and the crimping unit F performs the crimping of the terminal to the end of the electric wire W from which the coating is removed. It is for. The processing units A, B, and F may each have a known configuration.

A moving means 2 is further provided on the base Z. The moving means 2 is for moving the advance / retreat unit 1 along each of the processing units A, B, and F, and has a ball screw shaft 20, a servomotor 22, and a guide rail 24.

<Structure of Advancing / Retreating Unit> As shown in FIGS. 1 and 2, the advancing / retreating unit 1 is provided with five wire holding portions 3a to 3e, engaging means 5a to 5e, and wire guiding means 7a to 7e. 7e, an advance / retreat guide unit 4, and an advance / retreat drive unit 6.

Of these, five wire holding portions 3a to 3e
Are arranged in parallel with each other (in a direction orthogonal to the moving direction of the moving means 2), and are configured to be able to hold the electric wires W, respectively. In addition, the advance / retreat guide unit 4 guides each of the electric wire holding units 3a to 3e independently (in this case, in the horizontal direction) to each of the processing units A, B, and F so as to freely advance and retreat. I have. Note that a nut portion 40 (FIG. 1) into which the ball screw shaft 20 is screwed is formed in the advance / retreat guide portion 4.

Next, each of the engaging means 5a to 5e is provided corresponding to the rear end of each of the electric wire holding parts 3a to 3e, respectively.
It is configured to be selectively engageable with the corresponding wire holding portions 3a to 3e.

Specifically, a pair of opposing rollers 30, 30 are provided at the rear ends of the wire holding portions 3a to 3e, respectively. Each of the engagement means 5a to 5e has an engagement claw 50 which can be engaged between the opposed rollers 30, 30. Each of the engagement means 5a to 5e is provided with a corresponding one of the engagement claws 50 of the corresponding one of the rollers 30,
An ascending / descending cylinder 52 is provided as a claw portion advancing / retreating means for advancing / retreating (elevating / lowering) the 30 The five engaging means 5a to 5e (specifically, each cylinder 52) are integrally connected by a connecting member 55.

The forward / backward driving means 6 connects the five engaging means 5a to 5e connected to the connecting member 55 to the electric wire holding section 3.
This is for driving in the forward and backward directions of a to 3e. Specifically, the advance / retreat driving means 6 includes a ball screw shaft 60 extending in the advance / retreat direction, and a servo motor 62 for driving the ball screw shaft 60 to rotate. And the connecting member 5
In the center of the nut 5, a nut portion 6 screwed to the ball screw shaft 60 is provided.
4 are formed.

<Operation or Function and Effect> Next, the operation and function and effect of the present embodiment having such a configuration will be described.

First, according to the present embodiment, the retreat unit 1 is moved by the moving means 2 into a plurality of processing units A, B,
By moving along the F, the plurality of electric wires W held by the advance / retreat unit 1 can be selectively processed by any of the processing units A, B, and F. However, usually, processing is performed in the order of the cutting unit A, the strip unit B, and the pressure bonding unit F.

In this case, in the advancing / retreating unit 1, the corresponding engaging means 5a to 5e are engaged with an arbitrary one of the plurality of wire holding parts 3a to 3e. Is driven by the forward / backward drive means 6, only the wire holding portions 3a to 3e can be advanced / retracted with respect to the processing units A, B, and F.

The specific operation in this case will be described in order as follows (a) to (c).

(A) First, as shown in FIG. 3, the wire holding portion 3a (any one) holding the wire W to be processed.
The corresponding engaging means 5a to 5e are engaged with .about.3e. Specifically, in the engagement means 5a to 5e,
The engaging claw 50 is raised by the lifting cylinder 52,
Opposing rollers 30, 30 of corresponding wire holding parts 3a to 3e
Is engaged between them.

(B) Next, as shown in FIG. 4, the drive of the forward / backward drive means 6 causes any of the processing units A, B, F
Then, the wire holding portions 3a to 3e are advanced to perform corresponding processing on the end of the wire W. More specifically, the ball screw shaft 60 is rotated by the servo motor 62 in the advance / retreat driving means 6 so that the connection member 5 screwed with the shaft 60 is rotated.
From 5, the wire holding portions 3 a to 3 e are advanced through the engaging means 5 a to 5 e in the engaged state.

(C) After the processing of the electric wire W, the operation reverse to the above is performed to return the processed electric wire W to the original position.

Thus, the plurality of electric wire holding portions 3a to 3e
It is possible to selectively move any of the electric wires W held in the processing units A, B, and F with respect to the processing units A, B, and F to perform the processing by the processing units A, B, and F. For this reason, each wire W is sent out to the processing units A, B, and F by an arbitrary length while the plurality of wires W are held as a set in the reciprocating unit 1, and each wire W
It is possible to process the end portions of each of them in any desired position and size in the longitudinal direction.

For example, while a plurality of wires W having different colors of coating are held as a set by the plurality of wire holding portions 3a to 3e, the length of each of the wires W is stripped or the like. Processing with different positions and dimensions in the direction can be performed.

Also, in this case, the advance / retreat driving means 6 can advance the electric wire holding portions 3a to 3e with high accuracy by the ball screw drive (compared with the case of using a feed roller or the like). , F can be sent with high precision. For this reason, in processing the end portion of the electric wire W by each of the processing units A, B, and F, the accuracy of the position and dimension in the length direction (for example, the strip length and the crimping position of the terminal) can be improved.

According to this embodiment, the engagement means 5a
5e to 5e, the engaging claw 50 is moved by the lifting / lowering cylinder 52 to the rollers 30,
The wire holding portions 3a to 3
Engagement and disengagement of 3e and engagement means 5a to 5e can be performed smoothly and reliably.

<Modification> In the present embodiment, the case where the cutting unit A, the strip unit B, and the crimping unit F are used as the processing units has been described, but any processing unit for performing predetermined processing on the end of the electric wire will be described. If
Others may be used. Also, by using a plurality of crimping units for crimping different types of terminals, it is possible to crimp any type of terminal to the electric wire W held by each of the electric wire holding portions 3a to 3e. .

[Second Embodiment] Next, FIGS.
The second embodiment of the present invention will be described with reference to FIG.

<Configuration> The present embodiment is configured as a terminal crimping device in that it is configured as a solder attaching device for attaching solder to the end (core wire) of an electric wire. Is different.

Specifically, as shown in FIGS. 5 and 6, in the present embodiment, instead of the crimping unit F of the first embodiment, a core twisting unit C, a flux unit D and a solder unit E are used. Each processing unit is provided sequentially. In addition, the advance / retreat unit 1 ′ of the present embodiment
Is different from the advance / retreat unit 1 of the first embodiment in that it has wire guide means 7a to 7e provided corresponding to the front ends of the wire holding portions 3a to 3e. Other configurations are substantially the same as those of the first embodiment shown in FIGS.

More specifically, among the processing units A to E, the core wire twisting unit C twists the core wire of the electric wire W exposed by removing the coating, and the flux unit D fluxes the twisted core wire. The solder units E are for performing solder attachment to the fluxed core wires. The above processing units A to E
, Each having a known configuration can be used. In this case, as the solder unit E, one having a solder tank e1 for storing the molten solder liquid is used.

Next, each of the above-mentioned electric wire guiding means 7a to 7e
Are provided corresponding to the front ends of the electric wire holding portions 3a to 3e, respectively, and are configured to guide the ends of the electric wires W held by the corresponding electric wire holding portions 3a to 3e. Then, each of the wire guide means 7a to 7e adjusts the guide direction of the wire W forward and downward with respect to the solder unit E by a predetermined angle (for example, about 60 degrees), and the wire holding portions 3a to 3e.
And the horizontal direction corresponding to the forward / backward direction.

More specifically, each of the electric wire guide means 7a to 7e
Is a straight tubular guide member 70 for guiding the end of the electric wire W;
And a support member 72 for swingably supporting the guide member 70 (in the above-described variable direction). The latter support member 7
2 is fixed to the advance / retreat guide unit 4. Each of the electric wire guides 7 a to 7 e has a swing cylinder 74 for swinging the guide member 70 with respect to the support member 72.

<Operation or Function and Effect> Next, the operation and function and effect of the present embodiment having such a configuration will be described. According to the present embodiment, in addition to the same operations and effects as those of the first embodiment, in particular, the case where the solder unit E performs solder attachment processing to the end (core wire) of the electric wire W as follows. There are various operations and effects.

First, in this case, in the advancing / retreating unit 1 ', when the wire holding portions 3a to 3e are advanced with respect to the solder unit E by driving of the advancing / retreating driving means 6, (FIG. 8). The ends of the electric wires W held by the portions 3a to 3e are sent out while being guided by the corresponding electric wire guide means 7a to 7e (into the guide member 70) in a direction inclined forward and downward by a predetermined angle with respect to the solder unit E. .

Then, the end (core wire) of the sent electric wire W is immersed in the solder liquid in the solder tank e1 of the solder unit E, so that the solder is attached. In this case, the adhesion length of the solder to the end (core wire) of the electric wire W is determined by the depth at which the end (core wire) of the electric wire W enters the solder liquid level e2 of the solder tank e1. The penetration depth of the end (core wire) of the electric wire W corresponds to the sending length of the electric wire W.

Therefore, according to the present embodiment, the advance / retreat driving means 6 can advance the electric wire holding portions 3a to 3e with high accuracy (as compared with the case of using a feed roller or the like) by ball screw driving. The electric wire W can be sent out with high accuracy. For this reason, the accuracy of the length of the solder attached to the end (core wire) of the electric wire W can be improved.

Here, a specific operation in the case of performing the solder attachment processing will be described step by step.
(D).

(A) First, as shown in FIG. 3 (similar to the case of the first embodiment), as shown in FIG. 3, the wire holding portions 3a to 3e which hold the wires W to be processed are held. ,
The corresponding engaging means 5a to 5e are engaged. Specifically, in the engaging means 5a to 5e, the engaging claw 50 is raised by the lifting / lowering cylinder 52 and is engaged between the opposing rollers 30, 30 of the corresponding wire holding parts 3a to 3e.

(B) Next, as shown in FIG. 7, the guide direction of the electric wire W by the corresponding electric wire guide means 7a to 7e is inclined from the horizontal direction by a predetermined angle forward and downward with respect to the solder unit E. Move to Specifically, in the electric wire guide means 7a to 7e, the swing member 74 swings the guide member 70 forward and downward to the direction inclined by the predetermined angle.

(C) Next, as shown in FIG. 8, the wire holding portions 3a to 3e are advanced with respect to the solder unit E by driving the advance / retreat driving means 6, so that the solder is attached as described above. I do. Specifically, the ball screw shaft 60 is moved by the servo motor 62 in the forward / backward driving means 6.
Is rotated, the wire holding portions 3a to 3e are advanced from the connecting member 55 screwed with the wire via the engaging means 5a to 5e in the engaged state.

(D) After the solder is attached, the wire W after processing is returned to the original position by performing the operation reverse to the above.

[Other Embodiments] The first embodiment and the second embodiment may be appropriately combined. For example, the retreat unit 1 ′ of the second embodiment
It is also possible to carry out the crimping process by the crimping unit F of the first embodiment (in that case, in the advancing / retreating unit 1 'of the second embodiment, the electric wires by the wire guiding means 7a to 7e). The crimping process is performed in a state where the guide direction of W is set to the horizontal direction corresponding to the moving directions of the wire holding units 3a to 3e).

In the above-described embodiment, the case where the retreat unit 1, 1 'has the five wire holding parts 3a to 3e has been described.
One to four, or six or more wire holding parts may be provided.

[0054]

According to the present invention, any one of the electric wires held by the plurality of wire holding portions can be selectively advanced and retracted with respect to the processing unit, and the processing by the processing unit can be performed. Becomes For this reason, while holding a plurality of wires as a set in the retreat unit, each wire is sent out to the processing unit by an arbitrary length,
It is possible to process the ends and ends of the respective wires at arbitrary positions and dimensions in the length direction.

[Brief description of the drawings]

FIG. 1 is a side view partially showing a first embodiment of an electric wire processing apparatus according to the present invention in a longitudinal section.

FIG. 2 is a plan view partially showing the electric wire processing apparatus shown in FIG. 1 in a horizontal cross section.

FIG. 3 is an enlarged view showing an operation of an engaging means in the electric wire processing apparatus shown in FIG. 1;

FIG. 4 is a diagram showing a state of the electric wire processing apparatus shown in FIG. 1 during electric wire processing.

FIG. 5 is a side view partially showing a second embodiment of the electric wire processing apparatus according to the present invention in a longitudinal section.

FIG. 6 is a plan view partially showing the electric wire processing apparatus shown in FIG. 5 in a horizontal cross section.

FIG. 7 is a diagram showing the operation of the electric wire processing apparatus shown in FIG.

FIG. 8 is a diagram showing a state when solder is attached in the electric wire processing apparatus shown in FIG. 5;

[Explanation of Signs] W electric wire 1 advance / retreat unit 2 moving means 3a, 3b, 3c, 3d, 3e electric wire holding part 30 opposing roller 4 advance / retreat / retreat guide part 5a, 5b, 5c, 5d, 5e engaging means 50 engaging claw part 52 Cylinder for raising and lowering (claw part reciprocating means) 6 Reciprocating driving means 60 Ball screw shaft 62 Servo motor 64 Nut part A Cutting unit B Strip unit F Crimping unit 1 'Reciprocating unit 7a, 7b, 7c, 7d, 7e Electric wire guiding means 70 Advancing / retreating guide member 72 Support member 74 Cylinder for swing C Core twisting unit D Flux unit E Solder unit e1 Solder tank e2 Solder liquid level

Continued on the front page F term (reference) 5E063 CB06 CB17 CB19 CB20 CC04 CD12 CD27 5G353 AB08 AC05 CA01 DA02 EA01 EA05 5G355 AA03 BA01 BA02 BA08 CA05 CA09 CA15

Claims (4)

[Claims] 1. A processing unit for performing predetermined processing on an end of an electric wire, and an advance / retreat unit for moving the electric wire forward / backward with respect to the processing unit, wherein the advance / retreat units are arranged in parallel with each other. A plurality of wire holding portions capable of holding the wires, respectively; an advancing / retracting guide portion for independently guiding the plurality of wire holding portions to the processing unit so as to be able to advance and retreat; A plurality of engagement means capable of selectively engaging with each other, and an advance / retreat drive means for driving the plurality of engagement means in the advance / retreat direction of the electric wire holding unit. Wire processing equipment. 2. The electric wire processing apparatus according to claim 1, wherein said advance / retreat driving means is configured to perform driving by a ball screw. 3. Each of the electric wire holding portions has a pair of opposing rollers, and each of the engaging means corresponds to an engaging claw that can be engaged between the rollers of the electric wire holding portion and the claw. The electric wire processing device according to claim 1 or 2, further comprising a claw part reciprocating means for reciprocating with respect to a roller of the electric wire holding part. 4. The apparatus according to claim 1, further comprising a plurality of said processing units, and further comprising a moving means for moving said advance / retreat unit along said plurality of processing units. The electric wire processing apparatus according to the above.