JP5619813B2 - Crimp shape information acquisition method and crimp shape information acquisition apparatus - Google Patents

Description

  The present invention relates to a crimping shape information acquisition method and a crimping shape information acquisition device for acquiring, for example, a crimping shape information related to a crimping shape necessary for performing an inspection on a crimping shape of a crimp terminal.

  As the crimp terminal is crimped to the conductor exposed portion of the covered electric wire provided with the conductor exposed portion on the distal end side with the insulation coating removed, for example, the crimp portion and the terminal distal end side in the terminal axial direction from the crimp portion Twist may occur around the terminal axis direction between the two parts, and the crimp terminal after crimping may spread.

As described above, as the crimp terminal is crimped to the exposed conductor portion, the crimp shape of the crimp terminal is deformed. However, the crimp terminal after the crimping needs to satisfy a predetermined crimp shape.
This is because, if the crimp terminal after crimping does not satisfy a predetermined crimp shape, there is a possibility that a good electrical connection state cannot be obtained. The problem that the entire part cannot be completely sealed with insulating resin, the deformed part of the crimp terminal, and the insulating resin that seals these deformed parts interfere when inserted into the connector housing, and enter the insertion hole of the connector housing. The problem that a crimp terminal cannot be inserted smoothly also arises.

  For this reason, it is usually inspected whether or not the crimp terminal after crimping satisfies a predetermined crimping shape with respect to the covered electric wire. Conventionally, such inspections are mostly performed manually using a gauge such as a caliper or a micrometer, but have the problem of increasing measurement errors and labor.

In particular, when inspecting the twisting (rolling angle) between the crimping part of the crimping terminal and the terminal tip part in the terminal axis direction, the crimping terminal is cut so that an orthogonal cross section perpendicular to the terminal axis direction appears. It was necessary to destroy the crimp terminal.
For this reason, when inspecting the above-mentioned rolling angle of a crimp terminal, there existed a subject that labor and cost were required, such as preparing a predetermined crimp terminal extra as a sample mentioned above.

In order to solve such a problem, a “terminal crimping dimension measuring device” in the following Patent Document 1 has been proposed.
The “terminal crimping dimension measuring device” in Patent Document 1 is a light emitting element that emits a light beam toward a crimping terminal, a terminal receiving portion having a reference surface on which the crimping terminal is placed, and the crimping terminal toward the reference surface. It is comprised with the terminal press member to press.

  According to the “terminal crimping dimension measuring device” in Patent Document 1, the crimping terminal is pressed against the reference surface by pressing the crimping terminal toward the reference surface with the terminal pressing member in a state where the crimping terminal is placed on the reference surface. Since the terminals can be brought into close contact with each other, it is possible to prevent the crimped portion from being lifted or inclined with respect to the reference surface, and a predetermined dimension of the crimp terminal with respect to the reference surface can be measured using a light emitting element.

  However, the crimp terminal after crimping is deformed into an irregular shape, a curved shape, or a bent shape by crimping, so even if the crimp terminal is pressed by the terminal pressing member, the crimp terminal is still in the reference plane. There is a possibility that a problem arises in that it cannot be maintained in a state where it is tilted with respect to the surface and is lifted up without being in close contact with each other, or a state where it is stably pressed due to rattling or the like.

  For this reason, the “terminal crimping dimension measuring device” measures the predetermined dimension of the crimping terminal against the reference surface even when the crimping terminal is pressed against the reference surface with the terminal pressing member. Since the dimensions are not necessarily measured in a state in which the terminal is in close contact with the reference surface, there is a problem in that there is a possibility that an accurate dimension cannot be measured.

  Furthermore, the “terminal crimping dimension measuring device” firmly presses the crimping terminal against the reference surface with the terminal pressing member so that the crimping terminal does not float or rattle against the reference surface. In some cases, the crimp terminal has a risk of unexpected deformation.

Japanese Patent Laid-Open No. 11-325824

  Then, this invention aims at provision of the crimping shape information acquisition method and crimping shape information acquisition device which can acquire correctly and easily the crimping shape information about the crimping shape of the crimp terminal after crimping to the electric wire. To do.

The present invention is configured by covering a conductor with an insulating coating, and crimping a terminal with respect to at least the conductor exposed portion in a covered electric wire provided with a conductor exposed portion on the distal end side where the insulating coating on the distal end side of the conductor is peeled off the a crimp shape information acquisition method for acquiring crimp shape information about the crimp shape of the crimp terminal in electric wire with a crimp terminal having a crimp part which is crimped connection, the locations spaced a predetermined distance with respect to the crimp terminal, said crimping A projection shape information acquisition unit that acquires projection shape information based on a projection shape obtained by projecting a predetermined shape information acquisition target portion in the axial direction of the terminal is disposed, and at least one of the projection shape information acquisition unit and the crimp terminal By means of a rotating means for rotating the crimp terminal around the terminal axis direction, the crimp terminal is rotated relative to the projection shape information acquiring means, and the control means The by rotating means controls the relative rotation with respect to the projection shape information acquiring means of the crimp terminal to control the acquisition of the projected shape information by the projected shape information acquiring unit, the projection shape information acquiring unit, wherein A light projecting unit that projects light toward the shape information acquisition target portion, and a light receiving unit that receives projection light as projection shape information based on the projection shape projected by projecting the projection light of the light projecting unit, A holding target portion of the crimp terminal is held by a holding means for holding the crimp terminal, and a direction in which the holding target portion faces the light projecting unit around the terminal axis direction is set as a rolling angle reference direction, A received light amount for receiving projection light as projection shape information based on a projection shape projected by projection of projection light of the projection means with respect to a rolling angle reference direction is Increases with the rotation by the serial rotation means, and sets the angle at which the maximum value to the rolling angle.

  Crimp shape information regarding the crimp shape of the crimp terminal after crimping on the electric wire can be obtained accurately and easily.

  Specifically, the projection shape information acquisition unit can acquire the projection shape information corresponding to the relative rotation of the crimp terminal with respect to the projection shape information acquisition unit.

For example, a crimp terminal that results in the projection shape information exceeding an arbitrarily set threshold value can be determined as a defective product.
Therefore, it is possible to inspect for the presence or absence of problems that occur when the conductor exposed portion is crimped by the crimp terminal.

In addition, based on the projection shape information acquired by the projection shape information acquisition unit, for example, it is possible to measure a predetermined dimension at a shape information acquisition target location.
Therefore, when a person acquires the crimping shape information by measuring the dimensions of each part of the crimping terminal using a gauge, measurement errors and accuracy are likely to vary, but without being affected by such a human error. The projection shape information of the crimp terminal can be acquired accurately and smoothly.

  Furthermore, when acquiring the projection shape information, for example, it is possible to smoothly acquire the crimping shape information without requiring troubles such as matching the reference location of the projection shape information acquisition means and the reference location of the crimp terminal, For example, desired projection shape information can be obtained accurately because it is not affected by errors that occur when matching with a reference location.

  Furthermore, when acquiring the projection shape information, there is no deformation such as pressing or cutting the crimping terminal and destroying it. Therefore, an extra sample is required to acquire the projection shape information. The projection shape information of the crimp terminal can be acquired with the minimum necessary crimp terminal without requiring labor and cost for creating a simple crimp terminal.

Further, the projection shape information acquisition unit projects light toward the shape information acquisition target portion of the crimp terminal, and the projection shape information based on the projection shape projected by the projection of the projection light of the projection unit With the light receiving means that receives the projection light as the light receiving means, the light receiving means receives the projection light based on the projection shape projected by the projection light projected by the light projecting means, and acquires the crimping shape information. Therefore, for example, as in the case of using a CCD camera, the projection light can be reliably acquired as projection shape information with a simple configuration without requiring an expensive device or a complicated system.

If Ru using what the projected shape information obtaining means is constituted by said light receiving means and said light projecting means, said light projecting means, as well as arranged at a predetermined distance with respect to the crimp terminal, said light receiving means It can arrange | position on the opposite side to the said light projection means with respect to the said crimp terminal. Alternatively, the light receiving unit, a projection light in which the light projecting means is projected is, Ru configuration der for receiving the reflected light reflected to a given shape information acquisition target location.

Further, a holding target portion of the crimp terminal is held by a holding unit that holds the crimp terminal, and a direction in which the holding target portion faces the light projecting unit around the terminal axis direction is set as a rolling angle reference direction. The received light amount for receiving the projection light as projection shape information based on the projection shape projected by the projection of the projection light of the light projection means with respect to the reference direction of the rolling angle increases with the rotation by the rotation means. By setting the maximum angle to the rolling angle, when measuring the rolling angle of the shape information acquisition target portion that is rolling deformed around the terminal axis direction with respect to the covered wire, It is not necessary to cut the crimp terminal so that an orthogonal cross section perpendicular to the terminal axis direction appears, and the shape information acquisition target portion is non-destructive. It is possible to measure the rolling angle.

  The projection shape information acquisition means is not limited to acquiring the projection shape information during the rotation of the arrangement means relative to the projection shape information acquisition means by the rotation means, but stops the relative rotation. You may get while you are.

  The projection shape information acquisition means can be composed of, for example, an optical sensor, a camera, a blower and a wind pressure sensor for sending wind, an infrared irradiator and an infrared receiver, or a blower and an air volume sensor. There is no particular limitation as long as it can be acquired.

  It can be raised that the rotating means can be automatically rotated by, for example, a motor, a cylinder or the like. Further, it includes a bearing that is manually held to be rotatable about an axis, a rotation lever that assists rotation, and the like.

  The projection shape information acquisition unit may be configured separately from the control unit, or may be configured integrally as a part of the control unit.

  As an aspect of the present invention, the rotation angle acquisition unit acquires rotation angle information related to the rotation angle at which the crimp terminal relatively rotates with respect to the projection shape information acquisition unit, and the association processing unit acquires the rotation angle information. The acquired rotation angle information and the projection shape information acquired by the projection shape information acquisition means are associated with each other, and the storage means stores the rotation angle information and the projection shape information associated by the association processing means. be able to.

  As described above, by associating the rotation angle information with the projection shape information, in the predetermined shape information acquisition target location in the axial direction of the crimp terminal, the most deformation occurs at any angle around the terminal axis direction. It becomes possible to specify whether or not.

  In this way, by quickly and accurately identifying the defect location where the deformation has occurred, for example, it is possible to easily take measures such as correcting the failure location, elucidating the tendency of the failure location, or investigating the cause of the failure. it can.

  As an aspect of the present invention, the rotation holding means as the rotating means holds the tip side portion of the crimp terminal in the terminal axis direction of the crimp terminal and rotates the electric wire with the crimp terminal around the terminal axis direction. be able to.

  According to the configuration described above, the rotation holding unit can be rotated around the terminal axis direction while holding the crimp terminal, so that the projection shape information acquisition unit is compared with the case where the projection shape information acquisition unit is rotated around the terminal axis direction. And since it can be made to rotate around a terminal axis direction with a small rotation radius, while being able to make the structure of the said rotation means simple, it can be rotated smoothly with little energy.

  Further, as an aspect of the present invention, a direction orthogonal to a facing direction in which the shape information acquisition target portion and the projection shape information acquisition unit face each other and a direction orthogonal to the terminal axis direction is set to an orthogonal direction, and the projection shape Information is set in the projection orthogonal dimension information regarding the dimension in the orthogonal direction at the projection location where the shape information acquisition target location is projected, and the shape information is associated with relative rotation of the crimp terminal with respect to the projection shape information acquisition means. The inflection value at which the projected orthogonal dimension information at the acquisition target location is minimum or maximum can be set to the orthogonal dimension that is the dimension in the orthogonal direction of the shape information acquisition target location of the crimp terminal.

  According to the configuration described above, the inflection value of the projected orthogonal dimension information at the shape information acquisition target location can be specified as the orthogonal dimension of the shape information acquisition target location. Thereby, even when the shape information acquisition target portion is rolling deformed around the terminal axis direction with respect to the covered electric wire as the crimping terminal is crimped to the exposed conductor portion, rolling deformation is caused. It is possible to specify an accurate orthogonal dimension of the shape information acquisition target portion without being affected by the above.

  That is, since the dimension in the orthogonal direction of the shape information acquisition target portion can be specified as the same value in the case where the shape information acquisition target portion is not deformed by rolling, regardless of whether it is rolling deformed or not. The exact orthogonal dimension of the shape information acquisition target location can be specified.

Further, as an aspect of the present invention, the projection orthogonal dimension in a state where the upper surface or the bottom surface of the crimp terminal is substantially opposed to the light projecting unit as the crimp terminal is relatively rotated with respect to the projection shape information acquiring unit. The inflection value at which information is minimum or maximum can be set as the orthogonal dimension to the width dimension of the shape information acquisition target portion.

  According to the configuration described above, even if the shape information acquisition target location is rolling deformed around the terminal axis direction with respect to the covered electric wire, the shape information acquisition target location is not affected by rolling deformation. An accurate width dimension can be specified.

  That is, since the width dimension of the shape information acquisition target portion can be specified as the same value in the case where the shape information acquisition target portion is not deformed by rolling, the shape is determined regardless of whether it is rolling deformed or not. It is possible to specify an accurate width dimension of the information acquisition target portion.

Further, as an aspect of the present invention, the projection orthogonal dimension information is minimum in a state where the side surface of the crimp terminal is substantially opposed to the light projecting unit as the crimp terminal is relatively rotated with respect to the projection shape information acquiring unit. Alternatively, the maximum inflection value can be set to the height dimension of the shape information acquisition target portion as the orthogonal dimension.

  According to the configuration described above, even if the shape information acquisition target location is rolling deformed around the terminal axis direction with respect to the covered electric wire, the shape information acquisition target location is not affected by rolling deformation. An accurate height dimension can be specified.

  That is, because the height dimension of the shape information acquisition target location can be specified as the same value in the case where the shape information acquisition target location is not rolling deformed, regardless of whether it is rolling deformed or not It is possible to specify the exact height dimension of the shape information acquisition target portion.

In an embodiment of the present invention, by the rotating means, the upper surface of the crimp terminal to said light-emitting means from the angle at which the side surface is substantially opposite of the crimp terminal to said light emitting means, or the bottom surface is substantially opposed The crimp terminal is rotated relative to the projection shape information acquisition unit in a predetermined angle range of 90 degrees or more around the terminal axis until the angle is an angle, and the crimp terminal is a predetermined angle with respect to the projection shape information acquisition unit. With the relative rotation in the range, in the state where the side surface of the crimp terminal is substantially opposed to the light projecting means , the width dimension of the shape information acquisition target portion is set as the orthogonal dimension by the projection shape information acquiring means. acquires, upper surface of the crimp terminal to said light emitting means, or in a state where the bottom surface is substantially opposed, as said orthogonal dimensions, wherein the shape information obtaining pairs as said orthogonal dimensions The height of the location can be acquired by the projection shape information acquiring unit.

  With the configuration described above, the shape information is acquired by a single rotation operation in which the rotation means rotates the crimp terminal relative to the projection shape information acquisition means in a predetermined angle range of 90 degrees or more around the terminal axis. Both the width dimension and the height dimension of the target portion can be acquired.

Further, the present invention is configured such that the conductor is covered with an insulating coating, and is crimped to at least the conductor exposed portion of the covered electric wire provided with a conductor exposed portion on the distal end side where the insulating coating on the distal end side of the conductor is removed. A crimping shape information acquisition device for acquiring crimping shape information related to the crimping shape of the crimping terminal in an electric wire with a crimping terminal having a crimping portion to which a terminal is crimped and connected to the crimping terminal at a predetermined interval. , Projection shape information acquisition means for acquiring projection shape information based on a projection shape obtained by projecting a predetermined shape information acquisition target portion in the axial direction of the crimp terminal, at least one of the projection shape information acquisition means and the crimp terminal Rotating means for relatively rotating the crimping terminal around the terminal axis direction, and the crimping terminal to the projection shape information acquiring means by the rotating means. Throw causes relative rotation, constituted by a control unit that performs control to acquire the projection shape information by the projection shape information acquiring unit, the projection shape information acquiring unit, a projection light toward the shape information acquisition target locations A holding means for holding a portion to be held by the crimp terminal, comprising: a light projecting means that emits light; and a light receiving means that receives projection light as projection shape information based on the projection shape projected by the light projection of the light projecting means. A direction in which the holding target portion faces the light projecting unit around the terminal axis direction is set as a rolling angle reference direction, and the projection light of the light projecting unit projects light with respect to the rolling angle reference direction. The amount of received light that receives projection light as projection shape information based on the projected projection shape increases with the rotation by the rotating means, and the maximum angle is set as the rolling angle. Characterized in that it constant.

  The above-described crimp shape information acquisition device does not need to set a reference location or provide a mechanism for matching the reference location in determining the relative positional relationship between the projection shape information acquisition means and the crimp terminal. It can be a simple configuration.

  As an aspect of this invention, rotation angle acquisition means for acquiring rotation angle information related to the rotation angle of the crimp terminal that rotates relative to the projection shape information acquisition means, rotation angle information acquired by the rotation angle acquisition means, And an association processing unit that associates the projection shape information acquired by the projection shape information acquisition unit, and a storage unit that stores the rotation angle information and the projection shape information associated by the association processing unit. it can.

  Moreover, as an aspect of the present invention, the rotation means is a rotation holding means for holding the tip side portion of the crimp terminal in the terminal axis direction of the crimp terminal and rotating the electric wire with the crimp terminal about the terminal axis direction. Can be configured.

As an aspect of the present invention, a direction orthogonal to the terminal axis direction and a direction orthogonal to the facing direction in which the shape information acquisition target portion and the projection shape information acquisition unit face each other is set as an orthogonal direction, and the projection shape information Is set to the projection orthogonal dimension information related to the dimension in the orthogonal direction at the projection location where the shape information acquisition target location is projected, and the shape information acquisition is performed with relative rotation of the crimp terminal with respect to the projection shape information acquisition means. The inflection value at which the projected orthogonal dimension information at the target location is minimum or maximum,
It can set to the orthogonal dimension which is the dimension of the said orthogonal direction of the said shape information acquisition location of the said crimp terminal.

Further, as an aspect of the present invention, the projection orthogonal dimension in a state where the upper surface or the bottom surface of the crimp terminal is substantially opposed to the light projecting unit as the crimp terminal is relatively rotated with respect to the projection shape information acquiring unit. The inflection value at which information is minimum or maximum can be set as the orthogonal dimension to the width dimension of the shape information acquisition target portion.

Further, as an aspect of the present invention, the projection orthogonal dimension information is minimum in a state where the side surface of the crimp terminal is substantially opposed to the light projecting unit as the crimp terminal is relatively rotated with respect to the projection shape information acquiring unit. Alternatively, the maximum inflection value can be set to the height dimension of the shape information acquisition target portion as the orthogonal dimension.

In an embodiment of the present invention, the rotating means, the upper surface of the crimp terminal to said light-emitting means from the angle at which the side surface is substantially opposite of the crimp terminal to said light emitting means, or the bottom surface is substantially opposed The crimp terminal is configured to be relatively rotatable in a predetermined angle range of 90 degrees or more around the terminal axis with respect to the projection shape information acquisition unit until an angle is reached, and the projection terminal includes the crimp terminal. In a state where the side surface of the crimp terminal is substantially opposed to the light projecting unit as the relative shape is rotated within a predetermined angle range with respect to the projection shape information acquiring unit, the shape information acquisition target portion is set as the orthogonal dimension. obtains the width dimension, the upper surface of the crimp terminal to said light emitting means, or in a state where the bottom surface is substantially opposed, as said orthogonal dimensions, said shape information obtained as the orthogonal dimensions It can be configured to obtain the height of the elephant locations.

  According to this invention, it is possible to accurately and easily acquire the crimping shape information related to the crimping shape of the crimp terminal after crimping to the electric wire.

Structure explanatory drawing of the press-fit shape inspection apparatus of this embodiment. The block diagram which shows the structure of the crimping | compression-bonding shape inspection apparatus of this embodiment. FIG. 4 is a configuration explanatory diagram of a part of the crimping shape inspection apparatus of the present embodiment. Explanatory drawing of the definition of each part dimension of a crimp terminal. The graph which shows the relationship between the rotation angle of the crimp terminal in the crimping | compression-bonding shape inspection method, and the light reception amount of the laser beam by a light receiver. The graph which shows the relationship between the rotation angle of the crimp terminal in the other crimp shape test | inspection method, and the light reception amount of the laser beam by a light receiver. Explanatory drawing of the other crimp shape inspection method. Explanatory drawing of the definition of the bending deformation of a crimp terminal.

An embodiment of the present invention will be described below with reference to the drawings.
The crimping shape inspection apparatus 1 in this embodiment is an apparatus that acquires crimping shape information regarding the crimping shape of the crimping terminal 510 in the electric wire 500 with the crimping terminal, and is configured as shown in FIGS.

  FIG. 1 is an explanatory diagram schematically showing the configuration of the crimping shape inspection apparatus, FIG. 1 (a) is a front view of the crimping shape inspection apparatus 1, and FIG. 1 (b) is FIG. It is an AA line sectional view in the inside. FIG. 2 is a block diagram showing a hardware configuration of the crimping shape inspection apparatus 1. FIG. 3 is a configuration explanatory view of the electric wire holder 13 with a crimp terminal. Specifically, FIG. 3A is a longitudinal sectional view of the electric wire holder 13 with a crimp terminal, and FIG. It is a BB line sectional view in (a). However, the support | pillar 23 is abbreviate | omitted in Fig.3 (a), (b).

  In the following description, as shown in FIGS. 3A and 4, the vertical direction of the crimping shape inspection apparatus 1 is set in the Z direction, and the width direction of the crimping shape inspection apparatus 1 is set in the X direction. The depth direction of the crimping shape inspection apparatus 1 is set to the Y direction.

  The electric wire 500 with a crimp terminal is an electric wire in which a crimp terminal 510 is crimped and connected to at least the conductor exposed portion 501 in the covered electric wire 520 as shown in the X partial enlarged view in FIG.

  The covered electric wire 520 is an electric wire formed by covering the conductor 521 with the insulating coating 522, and the conductor exposed portion 501 is a portion where the insulating coating 522 on the distal end side of the covered electric wire 520 is peeled off to expose the conductor 521.

  The crimp terminal 510 is a female terminal, and has a three-dimensional configuration in which a metal substrate is bent to form a substantially quadrangular prism shape. From the base portion in the terminal axis direction toward the tip, the wire crimp portion 530, a male not shown. It is comprised with the box part 511 which accept | permits insertion of the male tab of a type | mold terminal.

  The electric wire crimping portion 530 includes an insulation coating crimping portion 532 and a conductor crimping portion 531 from the rear in the terminal axis direction toward the tip.

  In the following description, the upper surface and the bottom surface of the crimp terminal 510 are set to the terminal width direction surface 512W, and the side surface of the crimp terminal 510 is set to the terminal height direction surface 512H.

  As shown in FIGS. 1A, 1 </ b> B, and 2, the crimping shape inspection apparatus 1 includes a base 3, a terminal rotation unit 10, a terminal projection unit 30, and a control unit 51.

  The terminal rotating unit 10 has a configuration in which an encoder 11, a motor 12, and an electric wire holder 13 with a crimp terminal are provided in series from the upper side to the lower side in the Z direction.

  Specifically, the encoder 11 is provided on the opposite side of the surface of the motor 12 where the motor shaft 12a protrudes along the Z axis, and detects the rotation angle of the motor 12.

The electric wire holder 13 with a crimp terminal includes a terminal holder 14 and an electric wire guide 15.
The terminal holder 14 is directly connected to the motor shaft 12a via a coupling (not shown), and rotates around the motor shaft 12a as shown in FIG. A cylindrical outer wall portion 17 disposed on the outer peripheral side and a terminal holding adapter 18 that is detachably attached to the rotating body 16 and holds the crimp terminal 510 are configured.

The wire guide 15 is installed on the base 3 so as to face the terminal holder 14 at least below the length of the wire crimping portion 530 of the crimp terminal 510 in the Z direction with respect to the terminal holder 14. When the covered covered wire 520 rotates around the motor shaft, it is configured in a cylindrical shape so that it can be guided so that it does not spread outward in the radial direction due to centrifugal force.
A crimp terminal arrangement space 22 in which the crimp terminal 510 is arranged is formed between the wire guide tool 15 and the terminal holder 14. In addition, the motor 12 and the cylindrical outer wall portion 17 are fixed to the column 23 at a portion above the wire guide 15 in the terminal rotating unit 10, and are supported on the base 3 via the column 23.
As shown in FIGS. 3A and 3B, the terminal holding adapter 18 constitutes a terminal chuck portion 21 that can hold the crimp terminal 510 on the rotation axis Z <b> 1 as viewed from above in the Z direction. doing.

  The terminal chuck portion 21 is composed of a pair of claw portions that can be adjusted according to the width direction and the height direction of the crimp terminal 510, and the crimp terminal 510 is placed between the pair of claw portions in an arbitrary direction. It is configured so that it can be sandwiched and held in a state where it faces.

Next, the terminal projection unit 30 described above will be described.
The terminal projection unit 30 includes an optical sensor 31 and an optical sensor installation base 34.
The optical sensor installation table 34 includes a light projecting sensor installation table 34X and a light receiving sensor installation table 34Y, and is opposed to each other with a crimp terminal arrangement space 22 therebetween.
Specifically, the light projection sensor installation base 34X is installed on the base 3 at a predetermined distance from the crimp terminal arrangement space 22 to one side in the X direction. It is installed with respect to the base 3 at a location spaced a predetermined distance from the other side in the X direction.

  The optical sensor 31 includes a projector 31X and a light receiver 31Y. The projector 31X emits the laser light L toward the crimp terminal 510 held by the terminal chuck portion 21 on the rotation axis Z1 in the crimp terminal arrangement space 22. It attaches to the light projection sensor installation base 34X so that irradiation is possible. The light receiver 31Y is attached to the light receiving sensor installation base 34Y so as to be able to receive the laser light L emitted from the projector 31X.

Finally, the control unit 51 will be described.
As shown in FIG. 2, the control unit 51 includes a storage unit 53 such as a ROM or a RAM in addition to the CPU 52. In addition, an operation input unit 54 such as a button for allowing the user to press and outputting various processing start signals to each unit is provided.
The CPU 52 performs execution control based on various programs stored in the storage unit 53.
The storage unit 53 stores appropriate programs for controlling the operation of various devices in the terminal rotation unit 10 and the terminal projection unit 30.

  The control unit 51 controls the optical sensor 31 to acquire projection shape information based on the projection shape of the conductor crimping portion 531 according to the rotation of the rotating body 16 about the rotation axis Z1.

Furthermore, the control unit 51 controls the rotation of the rotating body 16 so that the crimping terminal 510 held by the terminal chuck portion 21 changes from the posture in which the crimping terminal 510 faces the predetermined direction around the rotation axis Z to the reference posture.
The reference posture refers to a posture in which the terminal width direction surface 512W or the terminal height direction surface 512H of the crimp terminal 510 faces the direction facing the optical sensor 31.

Next, an embodiment of an inspection method for inspecting the rolling deformation state of the crimp terminal 510 using the crimp shape information acquisition apparatus having the above-described configuration will be described.
In the present crimping shape inspection method, as shown in FIG. 8, when the box part 511 in the crimping terminal 510 is rolling-deformed (twisted) around the rotation axis Z1 with respect to the conductor crimping part 531, a predetermined angle or more. A rolling deformation is identified as a defect, and an inspection is performed to exclude the crimp terminal 510 having such a defect.

Specifically, even if the above-described rolling deformation around the rotation axis Z1 occurs in the crimp terminal 510, the accurate measurement of the terminal height direction surface 512H in consideration of such rolling deformation is performed.
At the same time, for example, the height dimension 400H of the exposed conductor 501 is measured based on the projected orthogonal dimension 400 of the exposed conductor 501 as the shape information acquisition target location.

The projected orthogonal dimension 400 is a facing shape (X direction) in a facing portion facing the projector 31X of the conductor exposed portion 501 of the crimp terminal 510, that is, a projected portion by the laser light L, as a projected shape of the conductor exposed portion 501. And the dimension in the orthogonal direction (Y direction) orthogonal to the rotation axis direction (Z direction).

For example, the projected orthogonal dimension when the laser beam L is orthogonal to the terminal height direction surface 512H is the height dimension 400H of the conductor exposed portion 501. The projected orthogonal dimension 400 when the laser beam L is orthogonal to the terminal width direction surface 512W is the width dimension 400W of the conductor exposed portion 501.

In addition, since the box part 511 is held along the Z direction by the terminal chuck part 21, strictly speaking, even when the box part 511 is rolling-deformed with respect to the wire crimping part 530, the wire crimping is performed. It can be detected that the part 530 is rolling deformed with respect to the box part 511. For this reason, even when any of the box part 511 and the terminal chuck part 21 is rolling-deformed, the deformation can be detected.
In addition, the rotation angle of the first crimp terminal 510A and the second crimp terminal 510B in FIG. 7 is shown as an angle larger than the actual rotation angle for easy explanation.

  In this inspection method, first, the crimp terminal 510 is rotated around the rotation axis Z1 so that the crimp terminal 510 is in the reference position as an initial position, that is, the terminal height direction surface 512H of the crimp terminal 510 is opposed to the projector 31X. Rotate.

  Here, in the reference posture, the terminal height direction surface 512H of the crimp terminal 510 is opposed to the projector 31X, but the expression is based on the assumption that the crimp terminal 510 is not subjected to rolling deformation. That is, strictly speaking, when the crimp terminal 510 is deformed by rolling, the terminal height direction surface 512H is inclined with respect to the direction facing the projector 31X by the rolling angle.

  After the crimp terminal 510 is rotated around the rotation axis Z1 so as to be in the reference posture, the crimp terminal 510 is rotated about 5 degrees counterclockwise R1 or clockwise R2 around the rotation axis Z1 with respect to the reference posture ( Rotate about ± 5 degrees.

  While rotating the crimp terminal 510, as shown in FIG. 4A, the laser light L projected from the projector 31X is projected onto the conductor crimp part 531 and based on the projected shape of the conductor crimp part 531. The light receiving device 31Y receives the projection shape information as the amount of received light.

Since the projection orthogonal dimension 400 changes according to the angle (posture) of the crimp terminal 510 with respect to the projector 31X, the amount of light received by the light receiver 31Y changes. When the terminal height direction surface 512H of the conductor crimping portion 531 is perpendicular to the direction in which the laser beam L travels, the laser beam L is most transmitted by the crimping terminal 510 in the posture around the rotation axis Z1 of the crimping terminal 510. Since the posture is not obstructed, the amount of light received by the light receiver 31Y becomes the largest as shown by the light amount value (Y) shown in the graph of FIG.

  Therefore, in the CPU 52, based on the predetermined data stored in the storage unit 53 that associates the received light amount with the dimension information, the accurate dimension of the terminal height direction surface 512 </ b> H, that is, the height dimension of the conductor crimping unit 531. Can be specified.

  Specifically, for example, based on the data stored in the storage unit 53 indicating the relationship between the received light amount and the dimension of the terminal height direction surface 512H, the accurate terminal height is determined from the largest received light amount received by the light receiver 31Y. The dimension of the direction surface 512H, that is, the height dimension of the conductor crimping portion 531 can be specified.

At the same time, as shown in the graph of FIG. 5, the rotation angle around the rotation axis Z <b> 1 with respect to the reference posture of the crimp terminal 510 when the amount of light received by the light receiver 31 </ b> Y becomes the largest is the crimp terminal 510 that is rolling deformed. The rolling angle (α) can be specified.
Specifically, while rotating the crimp terminal 510, the rotation angle information related to the rotation angle of the crimp terminal 510 detected by the encoder 11 and the projection shape information related to the amount of received light received by the light receiver 31Y are associated with each other in the storage unit 53. I remember it.

  As a result, rotation angle information corresponding to the projection shape information (Y) when the amount of light received by the light receiver 31Y becomes the largest can be determined, and this rotation angle information is used as the rolling angle (α) of the crimp terminal 510. Can be specified.

In the inspection method described above, the laser beam L is projected onto the terminal height direction surface 512H of the conductor crimping portion 531 to obtain a projection orthogonal dimension 400 , and the measurement of the height dimension 400H of the conductor crimping portion 531 is performed. However, the present invention is not limited to this, and the laser beam L may be projected onto the terminal width direction surface 512W to measure the width dimension 400W of the conductor crimping portion 531 or the like.
Since the measurement of the width dimension 400W of the conductor crimping portion 531 can be performed in the same manner as the measurement of the height dimension 400H of the conductor crimping portion 531 described above, the description thereof is omitted.

  Moreover, the dimension measurement location by the inspection method described above is not limited to the conductor crimping portion 531, and the insulation coating crimping portion 532 or other portions may be measured.

  Furthermore, in the inspection method described above, the amount of light received by the light receiver 31Y is the largest because the amount of light received by the light receiver 31Y is reduced by being blocked by the crimp terminal 510. Although the case was specified as an accurate dimension of the terminal height direction surface 512H (height dimension of the conductor crimping portion 531), it is not limited to this inspection method.

  For example, conversely, the case where the amount of light received by the light receiver 31Y is the smallest is specified as an accurate dimension of the terminal height direction surface 512H, or the terminal height direction surface 512H is perpendicular to the laser light L. Only when the light receiver 31Y receives the laser light L (ON) or shuts off (OFF) may be adopted.

According to the crimping shape inspection apparatus 1 and the crimping shape inspection method described above, the following operational effects can be achieved.
According to the above-described crimp shape information inspection method, the crimp shape information regarding the crimp shape of the crimp terminal 510 after crimping to the conductor exposed portion 501 of the covered electric wire 520 can be obtained accurately and easily.

  Specifically, since the optical sensor 31 can obtain the projection shape information of the conductor crimping part 531 according to the motor 12 rotating the crimping terminal 510 around the rotation axis Z1, for example, the box part of the conductor crimping part 531 The crimp terminal 510 that results in the rolling angle with respect to 511 exceeding the arbitrarily set threshold value can be determined as a defective product.

  Accordingly, it is possible to inspect for the presence or absence of defects that occur when the conductor exposed portion 501 is crimped by the crimp terminal 510.

  As described above, when a person acquires the crimp shape information by measuring the dimensions of each part of the crimp terminal 510 using a gauge, measurement errors and accuracy are likely to vary, but the human error is affected. The projection shape information of the crimp terminal 510 can be acquired accurately and smoothly.

  Furthermore, when receiving the laser beam L projected onto the conductor crimping portion 531, for example, it is possible to smoothly perform crimping shape information without the need for matching the reference position of the optical sensor 31 and the reference posture of the crimp terminal 510. Can be obtained, and for example, it is not affected by errors that occur when matching with the reference location, so that a desired rolling angle can be obtained accurately.

  Furthermore, in order to receive the laser beam L projected onto the conductor crimping portion 531, there is no deformation such as pressing or cutting the crimping terminal 510 or breaking it. The projection shape information of the crimp terminal 510 can be acquired without requiring labor and cost for creating the proper crimp terminal 510.

  Further, according to the above-described crimp shape information inspection method, the encoder 11 acquires rotation angle information related to the rotation angle at which the crimp terminal 510 rotates, and the CPU 52 acquires the rotation angle information acquired by the encoder 11 and the optical sensor 31. The acquired received light amount is associated with each other, and the storage unit 53 stores data related to the associated rotation angle and received light amount.

  Thus, by associating the rotation angle information (rotation angle) with the projection shape information (light quantity), for example, in the conductor crimping portion 531 in the axial direction of the crimp terminal 510, at any angle around the terminal axis direction. It is possible to specify whether the deformation has occurred most.

  Therefore, it is possible to quickly and accurately identify the defect location where the deformation has occurred, and for example, it is possible to easily take measures such as correcting the failure location, elucidating the tendency of the failure location, or investigating the cause of the failure. .

  Further, according to the above-described crimp shape information inspection method, the terminal holder 14 can be rotated around the terminal axis direction while the crimp terminal 510 is held, so the optical sensor 31 is rotated around the terminal axis direction. Compared to the case, since it can be rotated around the terminal axis direction with a small turning radius, the configuration of the terminal rotating unit 10 can be made simple and can be rotated smoothly with less energy.

  According to the pressure bonding shape information acquisition method, light is projected toward the shape information acquisition target portion by the projector 31X constituting the optical sensor 31, and the laser light L of the projector 31X is received by the light receiver 31Y constituting the optical sensor 31. The laser beam L is received as projection shape information based on the projection shape projected by the projection.

  According to the above-described configuration, for example, when using a CCD camera, the laser light L based on the projected shape projected by the laser light L projected by the light projector 31X is received by the light receiver 31Y to acquire the crimping shape information. As described above, the laser light L can be reliably acquired as projection shape information with a simple configuration without requiring an expensive apparatus or a complicated system.

According to the crimping shape information acquisition method, the conductor crimping part 531 and the optical sensor 31 are orthogonal to the facing direction, and the direction perpendicular to the terminal axis direction is set to the orthogonal direction, and the conductor crimping part 531 is projected. The light receiving device 31Y that has received the laser light L projected on the conductor crimping portion 531 in accordance with the relative rotation of the crimping terminal 510 with respect to the optical sensor 31 is set to the projection orthogonal dimension information L regarding the dimension in the orthogonal direction at the projected position. However, when the amount of received light is maximized, that is, when the projected orthogonal dimension 400 at the conductor crimping portion 531 is the minimum, the minimum value is the height dimension of the conductor crimping portion 531 or It can be specified as a width dimension.

  Therefore, the height dimension or the width dimension of the conductor crimping portion 531 can be measured regardless of whether the conductor crimping portion 531 is rolling-deformed.

Next, another crimping shape inspection method using the crimping shape inspection apparatus 1 in the above-described embodiment will be described with reference to FIGS. 6 (a), (b), (c), (d), and FIG.
First, as shown in FIG. 6A, the crimp terminal 510 is rotated so as to be in a posture inclined 5 degrees clockwise R2 with respect to the reference posture.

  With this posture as an initial posture, the crimp terminal 510 is rotated about 100 degrees counterclockwise R1 with respect to the initial posture to obtain a posture as shown in FIG.

  While rotating the crimp terminal 510, as shown in FIG. 6 (b), the laser light L projected from the projector 31X is projected onto the conductor crimping portion 531 as the shape information acquisition target location. As shown in FIG. 6C, the light receiver 31Y receives the projection shape information based on the projection shape of the conductor crimping portion 531 as the amount of received light.

  The amount of light received by the light receiver 31Y changes according to the angle (posture) of the crimp terminal 510 with respect to the projector 31X. As shown in FIG. 7, as the terminal height direction surface 512H of the conductor crimping portion 531 becomes perpendicular to the direction in which the laser light L travels, the amount of light received by the light receiver 31Y increases. As shown in FIG. 6B, when the terminal height direction surface 512H is perpendicular to the direction in which the laser light L travels, the first maximum point M1 is reached as the first maximum value (Y1).

  As the rotation continues, the amount of light received by the light receiver 31Y gradually decreases. Eventually, the terminal width direction surface 512W moves in the direction in which the laser light L travels as shown in FIG. Then, the second maximum point M2 is reached as the second maximum value (α2) when it becomes vertical, and the amount of received light decreases until it finally rotates about 100 degrees.

  Thus, during the rotation of the crimp terminal 510, the relationship between the rotation angle and the amount of received light tends to be as shown in FIG.

  Then, as described above, based on the data stored in the storage unit 53 indicating the relationship between the received light amount and the dimension of the terminal height direction surface 512H, the accurate terminal height is determined from the received light amount at the first maximum point M1. The dimension of the lateral surface 512H, that is, the height dimension of the conductor crimping portion 531 can be specified.

  Furthermore, the exact dimension of the terminal width direction surface 512W, that is, the width dimension of the conductor crimping portion 531 can be specified from the amount of light received at the second maximum point M2.

  Accordingly, the orthogonal dimension of the terminal width direction surface 512W of the crimp terminal 510 and the measurement of the rolling angle as well as the orthogonal dimension of the terminal width direction surface 512W of the crimp terminal 510 and the orthogonal dimension of the terminal height direction surface 512H are described above. Can be measured simultaneously.

  Therefore, according to the above-described crimped shape inspection method, the width dimension and the height dimension of the conductor crimping portion 531 are achieved by a single rotation operation in which the crimping terminal 510 is relatively rotated around the terminal axis within a predetermined angle range of 90 degrees or more. And both dimensions can be acquired.

  Furthermore, as described above, based on the association data in which the rotation angle information and the projection shape information are associated with each other, the crimp terminal 510 is determined based on the rotation angle of the crimp terminal 510 at the first maximum point M1 or the second maximum point M2. The rolling angle (α) can also be specified.

  According to the configuration described above, when measuring the rolling angle of the conductor crimping portion 531 that is rolled and deformed around the terminal axis direction with respect to the covered electric wire 520, an orthogonal cross section orthogonal to the terminal axis direction appears as in the past. Thus, it is not necessary to cut the crimping terminal 510, and the rolling angle of the conductor crimping part 531 can be measured in a nondestructive manner.

  Further, according to the above-described crimped shape inspection method, the terminal height direction surface 512H or the terminal width direction surface 512W of the crimp terminal 510 is included in the posture facing the projector 31X while the crimp terminal 510 is rotated. As shown in FIG. 7, the first maximum point M1 and the second maximum point M2 appear in the graph showing the relationship between the rotation angle and the light amount. Therefore, as long as the rotation including the posture in which the terminal height direction surface 512H or the terminal width direction surface 512W of the crimp terminal 510 faces the projector 31X is included, the initial position, the rotation direction, and the rotation angle of the crimp terminal 510 are rotated. Is not particularly limited.

  The present invention is not limited to the above-described crimp shape inspection apparatus 1 or the crimp shape inspection method, and can be configured in various embodiments.

  In the crimping shape inspection method described above, the angle at which the first crimping terminal 510 is slightly rotated is not limited to ± 5 degrees, and is not particularly limited, for example, within a range of ± 3 degrees to 10 degrees.

  Further, the appearance inspection is not essential in the crimping shape inspection method, and the appearance inspection unit 40 may be omitted in the crimping shape inspection apparatus 1. In that case, the crimping shape inspection apparatus 1 configures an appearance inspection unit by adding other hardware and software related to appearance inspection, such as an optical camera and a screen display unit, and performs appearance inspection of the crimp terminal 510. Also good.

  When measuring the width dimension and the height dimension of the conductor crimping part 531, angle information is not necessarily required, and therefore the encoder 11 may be omitted from the terminal rotating unit 10.

The terminal rotating unit 10 is not limited to holding the tip end side of the conductor crimping portion 10 such as the box portion 11, but may be rotated while holding the conductor crimping portion 10 and the covered electric wire 520 side.
The crimp terminal 510 to be inspected is not limited to a female terminal but may be a male terminal.

The crimping part of this invention corresponds to the conductor crimping part 531 of this embodiment.
Projection shape information acquisition means corresponds to the optical sensor 31,
The shape information acquisition target location corresponds to the conductor crimping portion 531,
The projection shape information corresponds to the storage unit 53, the received light amount storage means of the laser light L received by the light receiver 31Y.
The rotation holding means and the rotation means correspond to the terminal rotation unit 10,
The portion to be held of the crimp terminal, or the tip side portion of the crimp portion corresponds to the box portion 511,
The light projecting means corresponds to the light projector 31X,
The light receiving means corresponds to the light receiver 31Y,
The control means and the association processing means correspond to the CPU 52,
The projection light corresponds to the laser light L,
The rolling angle reference direction corresponds to the direction in which the crimp terminal 510 is in the reference posture,
The X direction corresponds to the facing direction (projection direction)
The Y direction corresponds to the orthogonal direction,
Although the Z direction corresponds to the rotation axis Z1 direction and the terminal axis direction, the present invention is not limited to the above-described embodiment, and the present invention is not limited to the above-described embodiment, and is formed in various other embodiments. can do.

DESCRIPTION OF SYMBOLS 1 ... Crimp shape inspection apparatus 10 ... Terminal rotating unit 12 ... Motor 14 ... Terminal holder 31 ... Optical sensor 31X ... Light projector 31Y ... Light receiver 53 ... Memory | storage part 400 ... Projection orthogonal dimension of a conductor crimping part 400W ... Width of a conductor crimping part Dimension 400H: Height dimension of conductor crimping part 500: Electric wire with crimping terminal 510 ... Crimping terminal 501 ... Conductor exposed part 511 ... Box part 520 ... Covered electric wire 521 ... Conductor 512W ... Terminal width direction surface 512H ... Terminal height direction surface 531 ... Conductor crimping part

Claims (14)

A conductor is covered with an insulating coating, and a crimp terminal is crimped to at least the conductor exposed portion of the covered electric wire provided with a conductor exposed portion on the distal end side where the insulating coating on the distal end side of the conductor is peeled off. A crimping shape information acquisition method for acquiring crimping shape information related to the crimping shape of the crimping terminal in the electric wire with the crimping terminal having the crimping portion,
A projection shape information acquisition means for acquiring projection shape information based on a projection shape obtained by projecting a predetermined shape information acquisition target portion in the axial direction of the crimp terminal at a position spaced apart from the crimp terminal by a predetermined distance,
By rotating means for rotating at least one of the projection shape information acquisition means and the crimp terminal around the terminal axis direction of the crimp terminal, the crimp terminal is relatively rotated with respect to the projection shape information acquisition means,
The control means controls the relative rotation of the crimp terminal with respect to the projection shape information acquisition means by the rotation means, and controls the acquisition of the projection shape information by the projection shape information acquisition means,
Projection light as projection shape information based on the projection shape projected by the projection of the projection light of the projection means and the projection shape information acquisition means that projects light toward the shape information acquisition target location Comprising light receiving means for receiving light,
Hold the crimp terminal holding target location by the holding means for holding the crimp terminal,
A direction in which the holding target portion faces the light projecting unit around the terminal axis direction is set as a rolling angle reference direction,
With respect to the rolling angle reference direction, the received light amount for receiving the projection light as projection shape information based on the projection shape projected by the projection of the projection light of the light projection means becomes larger with the rotation by the rotation means, The method for obtaining the crimping shape information by setting the maximum angle to the rolling angle . Rotation angle acquisition means acquires rotation angle information related to the rotation angle at which the crimp terminal rotates relative to the projection shape information acquisition means,
The association processing means associates the rotation angle information acquired by the rotation angle acquisition means with the projection shape information acquired by the projection shape information acquisition means,
The crimping shape information acquisition method according to claim 1, wherein the storage unit stores the rotation angle information and the projection shape information associated by the association processing unit. The rotation holding means as the rotating means holds the tip side portion of the crimp terminal in the terminal axis direction of the crimp terminal and rotates the electric wire with the crimp terminal around the terminal axis direction. The crimping | crimped shape information acquisition method of description. The direction orthogonal to the facing direction in which the shape information acquisition target part and the projection shape information acquisition unit face each other, and the direction orthogonal to the terminal axis direction is set as an orthogonal direction,
The projection shape information is set to the projection orthogonal dimension information regarding the dimension in the orthogonal direction at the projection location where the shape information acquisition target location is projected,
With relative rotation of the crimp terminal with respect to the projection shape information acquisition means, the inflection value at which the projection orthogonal dimension information at the shape information acquisition target location is minimum or maximum,
Crimp shape information acquisition method according to any one of claims 1 to 3 is set to orthogonal dimensions the the dimension in the orthogonal direction of the shape information acquisition target portion of the crimp terminal. With the relative rotation of the crimp terminal with respect to the projection shape information acquisition unit, the projection orthogonal dimension information is minimum or maximum in a state where the upper surface or the bottom surface of the crimp terminal is substantially opposed to the light projecting unit . The inflection value
The crimping | compression-bonding shape information acquisition method of Claim 4 which sets to the width dimension of the said shape information acquisition object location as said orthogonal dimension. An inflection in which the projected orthogonal dimension information is minimum or maximum in a state in which the side surface of the crimp terminal is substantially opposed to the light projecting unit as the crimp terminal is relatively rotated with respect to the projection shape information acquiring unit. The value,
The crimping | compression-bonding shape information acquisition method of Claim 4 which sets to the height dimension of the said shape information acquisition object location as said orthogonal dimension. From the angle at which the side surface of the crimp terminal is substantially opposed to the light projecting means by the rotating means until the upper surface or the bottom surface of the crimp terminal is substantially opposed to the light projecting means . Is rotated relative to the projection shape information acquisition means around a terminal axis within a predetermined angle range of 90 degrees or more,
As the crimp terminal rotates relative to the projection shape information acquisition means within a predetermined angle range,
In the state where the side surface of the crimp terminal is substantially opposed to the light projecting means , the width dimension of the shape information acquisition target location is acquired by the projection shape information acquiring means as the orthogonal dimension,
In the state where the upper surface or the bottom surface of the crimp terminal is substantially opposed to the light projecting unit , the height dimension of the shape information acquisition target portion is set as the orthogonal dimension by the projection shape information acquiring unit as the orthogonal dimension. The crimping | compression-bonding shape information acquisition method of Claim 4 to acquire. A conductor is covered with an insulating coating, and a crimp terminal is crimped to at least the conductor exposed portion of the covered electric wire provided with a conductor exposed portion on the distal end side where the insulating coating on the distal end side of the conductor is peeled off. A crimping shape information acquisition device for acquiring crimping shape information regarding the crimping shape of the crimping terminal in the electric wire with the crimping terminal having the crimping portion,
Projected shape information acquisition means for acquiring projection shape information based on a projection shape that is disposed at a predetermined distance from the crimp terminal and projects a predetermined shape information acquisition target location in the axial direction of the crimp terminal;
Rotating means for relatively rotating at least one of the projected shape information acquiring means and the crimp terminal around the terminal axis direction of the crimp terminal;
The crimping terminal is rotated relative to the projection shape information acquisition unit by the rotation unit, and is configured with a control unit that performs control to acquire the projection shape information by the projection shape information acquisition unit ,
The projection shape information acquisition means
Projection means for projecting projection light toward the shape information acquisition target location;
A light receiving means for receiving projection light as projection shape information based on the projection shape projected by the light projection of the light projecting means;
A holding means for holding the location to be held of the crimp terminal is provided,
A direction in which the holding target portion faces the light projecting unit around the terminal axis direction is set as a rolling angle reference direction,
The received light amount for receiving the projection light as projection shape information based on the projection shape projected by the projection of the projection light of the light projection means with respect to the rolling angle reference direction increases as the rotation by the rotation means increases, Set the value angle to the rolling angle
Crimp shape information acquisition device. Rotation angle acquisition means for acquiring rotation angle information related to the rotation angle of the crimp terminal that rotates relative to the projection shape information acquisition means;
Association processing means for associating the rotation angle information acquired by the rotation angle acquisition means with the projection shape information acquired by the projection shape information acquisition means;
The pressure bonding shape information acquisition apparatus according to claim 8 , further comprising a storage unit that stores the rotation angle information and the projection shape information associated by the association processing unit. The rotating means;
The crimping | compression-bonding of Claim 8 or 9 comprised with the rotation holding means which rotates the said electric wire with a crimping terminal to the periphery of a terminal axial direction while hold | maintaining the front end side part from the said crimping | crimped part in the terminal axial direction of the said crimping terminal. Shape information acquisition device. A direction orthogonal to the terminal axis direction and a direction orthogonal to the facing direction in which the shape information acquisition target portion and the projection shape information acquisition unit face each other is set as an orthogonal direction.
The projection shape information is set to the projection orthogonal dimension information regarding the dimension in the orthogonal direction at the projection location where the shape information acquisition target location is projected,
With relative rotation of the crimp terminal with respect to the projection shape information acquisition means, the inflection value at which the projection orthogonal dimension information at the shape information acquisition target location is minimum or maximum,
The crimp shape information acquisition apparatus in any one of Claims 8 thru | or 10 set to the orthogonal dimension which is the dimension of the said orthogonal direction of the said shape information acquisition object location of the said crimp terminal. With the relative rotation of the crimp terminal with respect to the projection shape information acquisition unit, the projection orthogonal dimension information is minimum or maximum in a state where the upper surface or the bottom surface of the crimp terminal is substantially opposed to the light projecting unit . The inflection value
The crimping shape information acquisition apparatus according to claim 11 , wherein the orthogonal dimension is set to a width dimension of the shape information acquisition target portion. An inflection in which the projected orthogonal dimension information is minimum or maximum in a state in which the side surface of the crimp terminal is substantially opposed to the light projecting unit as the crimp terminal is relatively rotated with respect to the projection shape information acquiring unit. The value,
The crimping shape information acquisition apparatus according to claim 11 , wherein the orthogonal dimension is set to a height dimension of the shape information acquisition target portion. The rotating means;
Said top surface of said crimp terminal from the angle of the side surface of the crimp terminal is substantially opposite to said light emitting means, or the crimp terminal is the projected shape information until an angle bottom is substantially opposite to said light projecting means It is configured to be rotatable relative to the acquisition means within a predetermined angle range of 90 degrees or more around the terminal axis,
The projection shape information acquisition means
As the crimping terminal rotates relative to the projection shape information acquiring unit within a predetermined angle range, the side surface of the crimping terminal substantially faces the light projecting unit as the orthogonal dimension, While acquiring the width dimension of the shape information acquisition target location, and in the state where the upper surface or the bottom surface of the crimp terminal is substantially opposed to the light projecting means , the orthogonal information is the orthogonal dimension, and the shape information acquisition target The crimping shape information acquisition apparatus according to claim 11 , wherein the height dimension of the part is acquired.

Images