KR101678853B1 - Inspection apparatus for automobile parts - Google Patents

Inspection apparatus for automobile parts Download PDF

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Publication number
KR101678853B1
KR101678853B1 KR1020150076470A KR20150076470A KR101678853B1 KR 101678853 B1 KR101678853 B1 KR 101678853B1 KR 1020150076470 A KR1020150076470 A KR 1020150076470A KR 20150076470 A KR20150076470 A KR 20150076470A KR 101678853 B1 KR101678853 B1 KR 101678853B1
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KR
South Korea
Prior art keywords
moving
unit
measuring
moved
ball joint
Prior art date
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KR1020150076470A
Other languages
Korean (ko)
Inventor
이형관
Original Assignee
주식회사화신
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Priority to KR1020150076470A priority Critical patent/KR101678853B1/en
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Publication of KR101678853B1 publication Critical patent/KR101678853B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0025—Measuring of vehicle parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures

Abstract

An invention relating to a testing device for vehicle parts is disclosed. The inspection apparatus for a vehicle component according to the present invention includes: a transfer section for moving a vehicle component to a measurement position; a fixed support section that is located on both sides of a transfer section moved to a measurement position and supports a body member of the vehicle component; A moving support which supports the ball joint and is movable in the horizontal direction according to the fixing position of the ball joint, and a movement measuring unit which measures the moving distance of the moving support and moves the moving support to the initial position after the measurement of the vehicle component is completed And a control unit for receiving the measured values of the measuring unit and determining whether the vehicle is normal or not.

Figure R1020150076470

Description

[0001] INSPECTION APPARATUS FOR AUTOMOBILE PARTS [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an inspection apparatus for a vehicle component, and more particularly to an inspection apparatus for a vehicle component capable of automatically checking whether a vehicle component is defective.

Generally, each of the parts constituting the automobile is joined by using a press or a bolt.

Since the distance between the reference points is measured by the operator in the state where the vehicle parts are put on the fixing jig, it is confirmed whether or not the vehicle parts are defective.

Conventionally, the accuracy of the measurement is deteriorated because the defectiveness of the vehicle parts is manually performed. Therefore, there is a need for improvement.

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 2003-0059024 (filed on July 7, 2003, entitled " Component Assembly and Processing Condition Inspection Apparatus ").

It is an object of the present invention to provide an inspection apparatus for a vehicle component which can automatically check whether a vehicle component is defective or not.

The inspection apparatus for a vehicle component according to the present invention comprises: a transfer section for moving a vehicle component to a measurement position; a fixed support section which is located on both sides of a transfer section moved to a measurement position and supports a body member of the vehicle component; A moving support unit that supports the ball joint and is installed to move in a horizontal direction according to a fixing position of the ball joint; and a moving support unit that measures a moving distance of the moving support unit and moves the moving support unit to an initial position And a control unit for receiving the measured values of the measuring unit and the measuring unit and determining whether the vehicle is normal or not.

Preferably, the transfer unit includes a transfer body for supporting a lower part of the vehicle part and movable in a horizontal direction, and a transfer cylinder connected to the transfer body for moving the transfer body in a horizontal direction.

The fixed support portion includes a base portion fixed to both sides of the measurement position, a support bar projecting upward from the base portion and inserted into the body member, and a body support bracket projecting upward from the base portion to support the lower portion of the body member desirable.

The moving support portion includes a crushing portion that moves together with the ball joint to surround the lower portion of the ball joint, a first moving portion connected to the crushing portion and horizontally moved in one direction of the base portion, And a second moving part to be moved.

The crushing and grasping portion is divided into a plurality of crushing portions and is moved in a direction tangent to the lower side of the ball joint to grip the lower portion of the ball joint, an inner moving portion moving along the inside of the gripping portion to operate the gripping portion, And the gripping driving unit may include a supporting body part located on the inner side of the gripping driving part and the gripping part.

It is also preferable that the crushing and grasping portion further includes an inclined projection portion formed so as to protrude in an inclined shape on the outer side of the inner side moving portion and an inclined guiding groove portion into which the inclined projection portion is inserted and moved inside the grasping portion.

The inclined projecting portion is provided with a moving inclined surface having a shape inclined inward from the upper portion of the inner moving portion to the lower portion. The guiding groove portion is inclined toward the center of the grip portion from the upper portion to the lower portion of the grip portion, It is preferable that an inclined surface is provided.

The first moving part may include a first moving body connected to the fixed connecting piece and the fixed connecting piece connected to the crushing and fixing part and horizontally moved together with the crushing part in the first direction, 1 moving body in a second direction intersecting with the first direction.

The measuring unit may include a first measuring unit fixed to the second moving unit and supporting the first moving body movably in the first direction and measuring the moving distance of the first moving body, and a second measuring unit measuring the moving distance of the first moving body, And a second measuring unit movably supporting the first moving unit in a second direction and measuring a moving distance of the second moving unit.

The first measuring unit includes a first block fixed to a lower side of the first moving unit and moved in a first direction together with the first moving unit, a first moving gear member fixed to the first block and having a female screw mountain inside, A first transmission gear member passing through the first block and the first block, the first screw bar being installed in the first direction and rotated by the movement of the first moving gear member, the first transmission gear unit transmitting the rotational power of the first screw bar, And a first measuring motor that is connected to the first transmission gear portion and is connected to the first transmission gear portion.

The second measuring unit includes a second block fixed to the lower side of the second moving unit and moved in the second direction together with the second moving unit, a second moving gear member fixed to the second block and having a female screw mountain inside, A second transmission gear portion passing through the second moving gear member and the second block and provided in the second direction and rotated by the movement of the second moving gear member, a second transmission gear portion for transmitting the rotational power of the second screw bar, And a second measuring motor that is connected to the second transmission gear portion and rotates in an axial direction.

INDUSTRIAL APPLICABILITY The inspection device for a vehicle part according to the present invention can measure the movement of a grip part for supporting a vehicle part by the measuring part, thereby automatically checking whether or not the assembling of the vehicle part is defective and saving the working time and the labor cost.

1 is a perspective view schematically showing a structure of an inspection apparatus for a vehicle part according to an embodiment of the present invention.
2 is a plan view schematically showing a structure of an inspection apparatus for a vehicle part according to an embodiment of the present invention.
3 is a plan view schematically showing a state in which a vehicle component is supplied to an inspection device for a vehicle component according to an embodiment of the present invention.
4 is a front view of an inspection apparatus for a vehicle part according to an embodiment of the present invention.
5 is a front view schematically showing a state in which a vehicle component is supplied to an inspection device for a vehicle component according to an embodiment of the present invention.
6 is a perspective view illustrating a measurement unit according to an embodiment of the present invention.
7 is a perspective view illustrating an exploded view of a measurement unit according to an embodiment of the present invention.
8 to 10 are perspective views illustrating a measurement unit according to an embodiment of the present invention.
11 is a perspective view schematically showing a state in which a ball joint according to an embodiment of the present invention is disengaged and positioned on the upper side of the door.
FIG. 12 is a cross-sectional view schematically showing a state where a ball joint according to an embodiment of the present invention is disengaged and positioned on the upper side of the valve.
FIG. 13 is a cross-sectional view schematically showing a ball joint according to an embodiment of the present invention in a state in which the ball joint is seated and seated.
FIG. 14 is a perspective view illustrating an exploded view of the crusher according to an embodiment of the present invention. FIG.
15 is a perspective view explaining an inner moving part and a grip part according to an embodiment of the present invention.
16 is a block diagram of an inspection apparatus for a vehicle part according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an inspection apparatus for a vehicle component according to an embodiment of the present invention will be described with reference to the accompanying drawings. For convenience of explanation, the vehicle parts used in the automobile are exemplified. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

Further, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a perspective view schematically showing the structure of an inspection apparatus for a vehicle part according to an embodiment of the present invention. FIG. 2 is a plan view schematically showing the structure of an inspection apparatus for a vehicle part according to an embodiment of the present invention. FIG. 3 is a plan view schematically showing a state in which a vehicle component is supplied to an inspection apparatus for a vehicle component according to an embodiment of the present invention, and FIG. 4 is a cross- 5 is a front view schematically showing a state in which a vehicle component is supplied to an inspection device for a vehicle part according to an embodiment of the present invention, and FIG. 6 is a perspective view showing a measurement part according to an embodiment of the present invention. FIGS. 8 to 10 are perspective views illustrating a measurement unit according to an embodiment of the present invention, and FIG. 11 is a cross-sectional view of the measurement unit according to an embodiment of the present invention. Example FIG. 12 is a cross-sectional view schematically showing a state where a ball joint according to an embodiment of the present invention is disengaged and positioned on the upper side of the ball joint, and FIG. FIG. 13 is a cross-sectional view schematically showing a ball joint according to an embodiment of the present invention, in which the ball joint is seated on the crusher, FIG. 14 is a perspective view explaining the crusher according to an embodiment of the present invention, FIG. 15 is a perspective view of an inner moving part and a gripping part exploded in accordance with an embodiment of the present invention, and FIG. 16 is a block diagram of an inspection device for a vehicle part according to an embodiment of the present invention.

3 and 11, a vehicle component 110 according to an embodiment of the present invention includes a body member 112 installed at a lower portion of an automobile, a female member 112 coupled to both sides of the body member 112, And a ball joint 116 coupled to the arm member 114 and the arm member 114. A mounting protrusion member (117) is inserted into the lower portion of the ball joint (116) to be inserted into the ridge portion (40).

1 to 5 and 16, an inspection apparatus 1 for a vehicle part according to an embodiment of the present invention includes a transfer unit 10, a fixed support unit 20, a movable support unit 30, (70) and a control unit (100).

Various types of mobile devices may be used within the technical idea of moving the vehicle part 110 to the measurement position P by the transfer part 10. [ The conveyance unit 10 according to one embodiment includes a conveyance body 12 that supports a lower portion of the vehicle component 110 and is installed to be movable in a horizontal direction and a conveyance body 12 that is connected to the conveyance body 12, And a transfer cylinder 14 for moving the transfer cylinder 14 in the horizontal direction. The transfer cylinder 14 is operated by the control signal of the control unit 100 to move the transfer body 12 in the horizontal direction and the vehicle part 110 is positioned above the transfer body 12, And are moved together in the horizontal direction.

The fixed support portion 20 is disposed on both sides of the conveyance portion 10 moved to the measurement position P and is supported by the support portion 20 in various positions within the technical idea of supporting the body member 112 of the vehicle component 110 moved to the measurement position P. [ Or the like. The fixed support 20 according to one embodiment includes a base portion 22, a support bar 24, a body support bracket 26, and a support plate 28.

The base portion 22 is fixed to both sides of the measurement position P. [ On both sides of the conveying section 10 reaching the measurement position P, the base section 22 is fixed.

The support bar 24 is formed in a bar shape and protrudes upward from the base portion 22 to be inserted into the body member 112 to support the body member 112 of the vehicle component 110. The upper side of the support bar 24 is formed in a sharp shape and is inserted into the body member 112 of the vehicle component 110 to support the lower side of the vehicle component 110.

The body support bracket 26 protrudes upward from the base portion 22 to support the lower portion of the body member 112. The body support bracket 26 is formed in a "C" cross-sectional shape, and is held fixed on the upper side of the base portion 22. Since the corner of the vehicle component 110 abuts on the body support bracket 26, the movement of the body member 112 is restrained.

The support plate 28 fixed to the base portion 22 extends in the horizontal direction and is fixed to the upper side of the base portion 22.

6 to 8, the moving support portion 30 supports the ball joints 116 provided on both sides of the vehicle component 110 and moves in the horizontal direction according to the fixing position of the ball joints 116 Can be formed in various shapes within the technical idea that is installed.

The moving support portion 30 according to an embodiment includes a breaking and breaking portion 40 that moves around the ball joint 116 and moves together with the ball joint 116, And a second moving part 60 horizontally moved in a direction intersecting with the first moving part 50. The first moving part 50 moves horizontally in one direction.

11 to 15, the breaking mechanism 40 according to one embodiment includes a gripper 41, an inside moving part 42, a gripping driving part 43, a supporting body 44, An inclined projection 45, and a guide groove 47. [

The grip portion 41 is divided into a plurality of portions and is moved in a direction tangent to the lower side surface of the ball joint 116 to cover the lower portion of the ball joint 116 so that the ball joint 116 is gripped by the grip portion 40.

The grip portion 41 is divided into a plurality of members connected to the inside movable portion 42 and converging inward or flaring outward. The grip portion 41 is composed of four pieces in consideration of ease of gripping and operation. The mounting projection member 117 can be easily held in contact with the outer peripheral surface of the mounting projection member 117 of the ball joint 116 because the plurality of grip portions 41 are gathered and formed into a cylindrical shape. A gripping groove 47 is formed in the inside of the gripping portion 41 to longitudinally move the inner moving portion 42. The gripping portion 41 is moved in the vertical direction by the inner moving portion 42, Or spread outwardly.

The inner movable portion 42 moves up and down along the inner side of the grip portion 41 to operate the grip portion 41. [ The inner moving part 42 according to one embodiment is formed in an inverted triangular shape having a wide upper cross section and a narrow lower cross sectional area.

The gripping driving part 43 uses a driving device that provides linear motion in the up and down direction, and moves the inside moving part 42 up and down by a control signal. The gripping driver 43 according to one embodiment uses a cylinder and is located inside the support body 44. [ Since the rod protruding from the gripping driving part 43 is connected to the inside moving part 42, the inside moving part 42 is moved up and down by the operation of the gripping driving part 43.

The holding body portion 44 is formed in a box shape, and the grip portion 41 is located on the upper side and the grip driving portion 43 is located on the inner side.

The inclined projection 45 protrudes outwardly of the inner side movable portion 42 in an inclined shape. The moving inclined surface 46 is formed so as to be inclined inward toward the lower portion from the upper portion of the inside moving portion 42. [

The inclined projection portions 45 protruding in an inclined shape outside the inner movable portion 42 are formed to protrude in a number corresponding to the number of the grip portions 41. At one end of the inclined projection 45, a moving inclined surface 46 is formed which is inclined inward toward the lower portion from the upper portion of the inside movable portion 42. [ The latching protrusion 49 protruding laterally from the inclined projection 45 is caught by the latching groove portion communicating with the guide groove 47 to prevent the latching portion 41 from disengaging.

The inclined projection 45 having the locking projection 49 has a T-shaped cross section and has a shape of a groove portion including a locking groove portion communicating with the guide groove portion 47 and being inserted and moved by the locking projection 49 Are also formed in a T shape.

The grip portion 41 is gathered by the upward movement of the inner movable portion 42 and the movable inclined surface 46 of the inner movable portion 42 is opened so that the grip portion 41 is opened by the downward movement of the inner movable portion 42, And the guide inclined surface 48 of the grip portion 41 have inclined surfaces of an inverted triangular shape.

The guide groove portion 47 forms an inclined groove in which the inclined projection portion 45 is inserted and moved inside the grip portion 41. [ The guiding inclined surface 48 is inclined toward the center of the grip portion 41 from the upper portion of the grip portion 41 to the lower end thereof and abuts the moving inclined surface 46.

An inclined guide groove 47 is formed on the inside of the grip portion 41 in the up and down direction in which the inclined projection portion 45 of the inside movable portion 42 is inserted and moved. The guide groove 47 is provided with a guide sloped surface 48 inclined downward from the upper portion of the grip portion 41 toward the center of the grip portion 41. The guide sloped surface 48 has an inner movable portion 42 In contact with the moving inclined surface 46 of the movable contact member 40. [

6 to 8, the first moving part 50 is connected to the fixed connecting piece 52 and the fixed connecting piece 52 which are connected to the crushing and fixing part 40, And a first moving body 54 horizontally moved in the first direction D1 together. The second moving part 60 is formed in a plate shape and moves in a second direction D2 which is located below the first moving body 54 and intersects the first direction D1. The first direction D1 and the second direction D2 according to an embodiment are horizontal and intersect in a direction orthogonal to each other.

The fixed connecting piece 52 and the first moving body 54 are formed in a plate shape and the first moving body 54 is installed horizontally on the upper side of the first measuring portion 80. The fixed connecting piece 52 connects the first moving body 54 and the crushing part 40, and is moved together with the crushing part 40.

The measuring unit 70 measures the moving distance of the moving support part 30 and various types of measuring devices can be used within the technical idea of moving the moving supporting part 30 to the initial position after the measurement of the vehicle part 110 is completed have. The measuring unit 70 according to an embodiment may include a measuring unit 70 that is fixed to the second moving unit 60 to movably support the first moving body 54 in the first direction D1, A first measuring unit 80 for measuring a moving distance and a second moving unit 60 for supporting the second moving unit 60 in a second direction D2 below the first measuring unit 80, And a second measuring unit 90 for measuring the moving distance of the second measuring unit.

9 and 10, the first measuring unit 80 according to an embodiment includes a first block 81, a first moving gear member 82, a first screw bar 83, 1 transmission gear portion 84, a first rotary gear 85, a first shaft gear 86, a first measurement motor 87, a first engagement groove 88, and a first rail 89 .

The first block 81 is fixed to the lower side of the first moving part 50 and moves together with the first moving part 50 in the first direction D1. The first block 81 may be formed of a single member or may be formed of a plurality of members as required. The first block 81 is fixed to the lower side of the first moving body 54 and the first screw bar 83 penetrates the first block 81.

The first moving gear member 82 is fixed to the first block 81 and has an internal thread on its inside and is moved in the first direction D1 together with the first block 81.

The first screw bar 83 passes through the first block 81 and is installed in the first direction D1 and a screw thread engaging with the female thread of the first moving gear member 82 is provided on the outer side. And thus is rotated by movement of the first moving gear member 82 in the first direction D1.

Various types of gears can be used in the first transmission gear unit 84 within the technical idea of transmitting the rotational power of the first screw bar 83 to the first measuring motor 87. The first transmission gear portion 84 according to one embodiment includes a first rotary gear 85 and a first axial gear 86. Since the first rotary gear 85 is connected to the first screw bar 83, the first rotary gear 85 is rotated together with the first screw bar 83. The first shaft gear 86 is engaged with the first rotation gear 85 so that the first shaft gear 86 and the first rotation gear 85 are rotated together. The first axis gear 86 is connected to the first measuring motor 87 so that the rotation of the first axis gear 86 is transmitted to the first measuring motor 87.

The first measurement motor 87 is connected to the first transmission gear portion 84 and rotates. The first measurement motor 87 measures the rotation of the first transmission gear portion 84 and transmits the measured value to the control portion 100. The servomotor is used as the first measuring motor 87 according to the embodiment. The servo motor is originally used to move to a fixed position, but the first measurement motor 87 according to an embodiment uses a servo motor without a brake. Therefore, even if the first measurement motor 87 moves freely by the external force in the servo off state and the principle that the first measurement motor 87 moves freely by the external force and the first measurement motor 87 detects the movement amount As a basic technology. The first measuring motor 87 can measure the amount of movement of the ball joint 116 in the first direction D1 when the ball joint 116 is fixed to the crushing and grasping portion 40 and it is possible to measure up to 1/1000 mm.

In order to further increase the accuracy of the measurement, a control element can be set in the control unit 100. If the first screw bar 83 can not move by the change distance of the ball joint 116 while the ball joint 116 is fixed to the crushing and grasping portion 40, I get a torque. At this time, the torque is represented by +, -, so that the direction in which the force is applied can be known. The first measuring motor 87 can be finely moved in the direction in which the force is applied until the force becomes zero. When the torque applied to the first measuring motor 87 becomes substantially zero, the position of the current product with respect to the master product is calculated and displayed. The first measuring motor 87 moves the first block 81 and the first moving part 50 back to the home position so that the measurement can be always started at a predetermined position have.

The first locking groove portion 88 is provided with a groove extending to a lower portion of the first block 81 to cover a side surface of the first rail portion 89.

Since the first rail 89 extends in the first direction D1 and the first engagement groove portion 88 integrally moved with the first block 81 is connected to the first movement portion 50 and the first block D1, So that the linear movement of the guide shaft 81 can be more stably performed.

The second measuring portion 90 according to the embodiment includes the second block 91, the second moving gear member 92, the second screw bar 93, the second transmission gear portion 94, And includes a gear 95, a second shaft gear 96, a second measuring motor 97, a second latching groove 98, and a second rail 99.

The second block 91 is fixed to the lower side of the second moving part 60 and is moved in the second direction D2 together with the second moving part 60. [ The second block 91 may be formed of a single member, or may be formed of a plurality of members as necessary. The second block 91 is fixed to the lower side of the second moving body and the second screw bar 93 penetrates the second block 91. [

The second moving gear member 92 is fixed to the second block 91 and has an internal thread on its inside and is moved in the second direction D2 together with the second block 91. [

The second screw bar 93 extends through the second block 91 and is provided in the second direction D2 and a thread engaging with the female thread of the second moving gear member 92 is provided on the outer side. And thus is rotated by the movement of the second moving gear member 92 in the second direction D2.

Various types of gears may be used in the second transmission gear portion 94 in the art for transmitting the rotational power of the second screw bar 93 to the second measuring motor 97. The second transmission gear portion 94 according to one embodiment includes a second rotary gear 95 and a second axial gear 96. Since the second rotary gear 95 is connected to the second screw bar 93, the second rotary gear 95 is rotated together with the second screw bar 93. The second shaft gear 96 is engaged with the second rotation gear 95 so that the second shaft gear 96 and the second rotation gear 95 are rotated together. Since the second shaft gear 96 is connected to the second measuring motor 97, the rotation of the second shaft gear 96 is transmitted to the second measuring motor 97.

The second measurement motor 97 is connected to the second transmission gear portion 94 and rotates. The second measurement motor 97 measures the rotation of the second transmission gear portion 94 and transmits the measured value to the control portion 100. A servomotor is used as the second measuring motor 97 according to one embodiment. The servo motor is originally used to move to a fixed position, but the second measuring motor 97 according to an embodiment uses a servo motor without a brake. Therefore, even if the motor is moved by the external force when the servo is turned off, the second measurement motor 97 detects the movement amount As a basic technology. The second measuring motor 97 can measure the amount of movement of the ball joint 116 in the second direction D2 when the ball joint 116 is fixed to the crushing and grasping portion 40 and it is possible to measure up to 1/1000 mm.

In order to further increase the accuracy of the measurement, a control element can be set in the control unit 100. When the second screw bar 93 is not moved by the change distance of the ball joint 116 while the ball joint 116 is fixed to the crushing and grasping portion 40, I get a torque. At this time, the torque is represented by +, -, so that the direction in which the force is applied can be known. The second measuring motor 97 can be moved finely in a direction in which the force is applied until the force becomes zero. When the torque applied to the second measuring motor 97 becomes substantially zero, the position of the current product with respect to the master product is calculated and displayed. After the measurement is completed and the vehicle component 110 moves to another line, the second measuring motor 97 moves the second block 91 and the second moving part 60 back to the home position so that measurement can always be started at a certain position have.

The second latching groove portion 98 extends to a lower portion of the second block 91 and is provided with a groove for covering a side surface of the second rail portion 99.

Since the second rail part 99 extends in the second direction D2 and the second locking groove part 98 moved integrally with the second block 91 is connected to the second moving part 60, So that the linear movement of the guide shaft 91 can be more stably performed.

1 and 16, the controller 100 receives the measured values of the measuring unit 70 including the first measuring unit 80 and the second measuring unit 90, It is determined whether or not it is normal. In addition, the control unit 100 generates a control signal for operating the transfer unit 10 and the crushing unit 40.

When the vehicle component 110 is transported along the transporting part 10 and mounted on the inspection device 1 for the vehicle part, the gripper part 120 for preventing the vehicle component 110 from shaking is operated. The gripper portion 120 presses the outer side of the body member 112 and the arm member 114 to improve the reliability of the measured value when the inspection apparatus 1 for a vehicle is operated.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an operating state of an inspection apparatus for a vehicle part 1 according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

When the reference value setting by the master product or the like is completed, the vehicle part 110 to be inspected is moved to the measurement position P in a state in which the vehicle part 110 to be inspected is placed on the movable supporting part 30. [

The body member 112 is supported on the support bar 24 and the body support bracket 26 and the ball joint 116 mounted on the arm member 114 is supported on the crushing and supporting portion 40. [

The grasping drive section 43 is operated so that the inside moving section 42 moves upward while the mounting projection member 117 of the ball joint 116 is inserted into the inside of the holding section 41, To the inside. Therefore, the gripping portion 41 rests against the movement of the mounting projection member 117 in contact with the outside of the mounting projection member 117. [

The inclined projection portion 45 of the inner movable portion 42 moves upward along the guide groove portion 47 of the grip portion 41 when the gripping drive portion 43 is operated to move the inner movable portion 42 upward The grip portion 41 is moved inward.

Since the engaging protrusion 49 protruding from the inside moving part 42 is inserted into the engaging groove provided in the grip part 41 and moved up and down, the grip part 41 is connected around the inside moving part 42 So that it is possible to prevent the inner moving portion 42 from coming off.

The coupling operation of the body member 112 and the arm member 114 and the ball joint 116 is performed before the vehicle component 110 is transferred to the vehicle component inspection apparatus 1, Is automatically measured by the inspection apparatus (1) for a vehicle part.

The grip member 120 presses and fixes the body member 112 of the vehicle component 110 and the outer side of the arm member 114 that have been moved to the measurement position P by pressing.

The first moving part 50 and the second moving part 60 of the moving support part 30 can move the ball joint 116 without sliding when the arm member 114 is assembled to the body member 112 The first moving part 50 and the second moving part 60 that support the ball joint 116 are moved when an error occurs in assembling the body member 112 and the arm member 114. [

The first moving part 50 and the first block 81 fixed to the first moving part 50 are moved because the position of the breaking mechanism 40 supporting the ball joint 116 is moved. The first screw bar 83 is rotated by the movement of the first block 81 and the rotation of the first screw bar 83 is transmitted to the first measuring motor 87 through the first transmission gear portion 84 The moving distance of the first moving part 50 can be calculated.

The lower part of the first measuring part 80 is connected to the second moving part 60, and the second block 91 connected thereto is moved. The second screw bar 93 is rotated by the movement of the second block 91 and the rotation of the second screw bar 93 is transmitted to the second measuring motor 97 through the second transmission gear portion 94 The moving distance of the second moving part 60 can be calculated.

The control unit 100 receiving the measured value of the measuring unit 70 determines whether the difference between the initial position of the master product and the moving position of the vehicle part 110 to be inspected is within an error range.

The control unit 100 determines whether the difference between the initial position and the moving position of the tested vehicle component 110 is within an error range, based on the input measured value. If it is within the error range, the normal assembly is displayed through the display unit. If the error range is over, the defective assembly is displayed to reassemble the vehicle component 110.

The first moving part 50 and the second moving part 60 move by a variation amount according to the product of the vehicle part 110 and the first measuring part 80 and the second measuring part 90 are moved by the first moving part 50 and the second moving part 60, the change position of the ball joint 116 can be easily grasped.

As described above, according to the present invention, since the movement of the gripper 41 supporting the vehicle component 110 is measured by the measuring unit 70, whether the assembly of the vehicle component 110 is bad or not is automatically checked, And labor costs.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined by the appended claims. will be. Although the vehicle parts used in automobiles have been described by way of example, the present invention is merely illustrative and other inspection apparatuses for vehicle parts of the present invention can be used in other production lines using mechanical parts. Accordingly, the true scope of the present invention should be determined by the following claims.

1: Inspection device for vehicle parts 10:
12: Feed body 14: Feed cylinder
20: fixed support portion 22: base portion
24: support bar 26: body support bracket
28: support plate 30:
40: crumbling government 41: gripping section
42: Inner moving part 43: Holding drive part
44: support body part 45: oblique projection
46: moving slope 47: guide groove
48: guide slope 49:
50: first moving part 52: fixed connecting piece
54: first moving body 60: second moving part
70: measuring section 80: first measuring section
81: first block 82: first moving gear member
83: first screw bar 84: first transmission gear part
85: first rotating gear 86: first shaft gear
87: first measuring motor 88: first engaging groove
89: first leg part 90: second measuring part
91: second block 92: second moving gear member
93: second screw bar 94: second transmission gear part
95: second rotating gear 96: second shaft gear
97: second measuring motor 98: second engaging groove
99: second rail part 100:
110: vehicle part 112: body member
114: arm member 116: ball joint
117: mounting projection member 120: gripper part
D1: first direction D2: second direction P: measurement position

Claims (11)

A conveyance part for moving the vehicle part to a measurement position;
A stationary support member positioned on both sides of the conveyance member moved to the measurement position and supporting the body member of the vehicle component;
A moving support unit that supports a ball joint provided at both sides of the vehicle component and is movable in a horizontal direction according to a fixing position of the ball joint;
A measuring unit measuring the moving distance of the moving support unit and moving the moving support unit to an initial position after the measurement of the vehicle component is completed; And
And a controller for receiving the measured value of the measuring unit and determining whether the vehicle component is normal,
Wherein the conveying unit includes: a conveying body that supports a lower portion of the vehicle component and is installed to be movable in a horizontal direction; And
And a transfer cylinder connected to the transfer body for horizontally moving the transfer body,
The fixed support portion includes: a base portion fixed to both sides of the measurement position;
A support bar protruding upward from the base and inserted into the body member; And
And a body supporting bracket projecting upward from the base portion to support a lower portion of the body member,
Wherein the moving support portion includes: a crushing portion surrounding the lower portion of the ball joint and moved together with the ball joint;
A first moving unit connected to the crushing unit and horizontally moved in one direction of the base unit; And
And a second moving unit horizontally moved in a direction intersecting with the first moving unit,
The first moving unit may include: a fixed connecting piece connected to the crushing and folding unit; And
And a first moving body connected to the fixed connection piece and horizontally moved in a first direction together with the crushing and grasping portion,
Wherein the second moving part is formed in a plate shape and is positioned at a lower side of the first moving body and is moved in a second direction intersecting with the first direction,
The measuring unit includes a first measuring unit fixed to the second moving unit and movably supporting the first moving body in a first direction and measuring a moving distance of the first moving body; And
And a second measuring unit movably supporting the second moving unit in a second direction below the first measuring unit and measuring a moving distance of the second moving unit.
delete delete delete The method according to claim 1,
The gripper includes a grip portion which is divided into a plurality of portions and which is moved in a direction tangent to a lower side of the ball joint and surrounds a lower portion of the ball joint;
An inner moving part moving along the inside of the grip part and operating the grip part;
A grip driving part for moving the inside moving part up and down; And
Wherein the gripping part is located on the upper side and the gripping part is located on the inner side.
6. The method of claim 5,
Wherein the crushing and crushing part comprises: a slanting projection part protruding outwardly from the inner side of the moving part; And
Further comprising an inclined guide groove portion in which the inclined projection portion is inserted and moved to the inside of the grip portion.
The method according to claim 6,
The inclined projection portion is provided with a moving inclined surface having a shape inclining inward toward the lower portion from the upper portion of the inside moving portion,
Wherein the guide groove portion is provided with a guide sloped surface that is inclined toward the center of the grip portion from the upper portion to the lower portion of the grip portion and in contact with the moving sloped surface.
delete delete The method according to claim 1,
The first measuring unit may include a first block fixed to a lower side of the first moving unit and moved in a first direction together with the first moving unit;
A first shifting gear member fixed to the first block and having a female thread on its inner side;
A first screw bar passing through the first moving gear member and the first block and installed in a first direction and rotated by movement of the first moving gear member;
A first transmission gear portion for transmitting rotational power of the first screw bar; And
And a first measuring motor which is connected to the first transmission gear portion and is connected to the first measuring motor.
The method according to claim 1,
The second measuring unit may include: a second block fixed to a lower side of the second moving unit and moved in a second direction together with the second moving unit;
A second moving gear member fixed to the second block and having a female thread on the inner side;
A second screw bar passing through the second moving gear member and the second block and installed in a second direction and rotated by movement of the second moving gear member;
A second transmission gear portion for transmitting rotational power of the second screw bar; And
And a second measuring motor that is connected to the second transmission gear portion and is rotated in an axial direction.
KR1020150076470A 2015-05-29 2015-05-29 Inspection apparatus for automobile parts KR101678853B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102195501B1 (en) * 2019-08-30 2020-12-28 이정석 Visionary inspectors for ball joints for car steer with function of ball joint rotation photographing and enlargement re-photographing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001349806A (en) * 2000-06-06 2001-12-21 Kubota Corp Engine inspection device
KR20080102492A (en) * 2007-05-21 2008-11-26 주식회사 유성에프티 Inspection apparatus and method of tone wheel for vehicle
KR20110098358A (en) * 2010-02-26 2011-09-01 주식회사화신 Measuring device for assembly products and control method thereof
KR20110098357A (en) * 2010-02-26 2011-09-01 주식회사화신 Locking device for pipe and control method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001349806A (en) * 2000-06-06 2001-12-21 Kubota Corp Engine inspection device
KR20080102492A (en) * 2007-05-21 2008-11-26 주식회사 유성에프티 Inspection apparatus and method of tone wheel for vehicle
KR20110098358A (en) * 2010-02-26 2011-09-01 주식회사화신 Measuring device for assembly products and control method thereof
KR20110098357A (en) * 2010-02-26 2011-09-01 주식회사화신 Locking device for pipe and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102195501B1 (en) * 2019-08-30 2020-12-28 이정석 Visionary inspectors for ball joints for car steer with function of ball joint rotation photographing and enlargement re-photographing

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