KR100790244B1 - Common measurement jig unit having measurement setting pointer - Google Patents

Abstract

The present invention relates to a general-purpose measuring jig unit using a measuring reference pin, and simultaneously performs visual inspection and three-dimensional measurement on the trim line of the carrier using one jig, and also fixes and positions the carrier having different specifications. Its purpose is to enable inspection and measurement.

The present invention for achieving the above object, the jig unit is formed in the form of a base (1) formed in the center of the height is higher than both sides, the carrier (Cu) in the protruding center of the base (1) Front, rear, center, and side supports (2, 3, 4, 5) with protruding support blocks (2a, 3a, 4a, 2b, 3b, 4b, 5a) positioned in a shape along the trimline; The support column 6b protrudes at an interval from the reference side wall 6a which is in contact with the side of the carrier Cu so as to constrain the placed position of the carrier Cu while forming both lower sides at the protruding center portion of (1). The reference hole a in a state in which the extension support 6 and the carrier Cu are fastened to the support blocks 4b and 5a at positions of the reference holes a, b and c formed in the carrier Cu so that the carrier Cu is placed in the correct position. It is characterized in that it consists of a plurality of positioners (8) fitted to the, b, c.

Description

Common measurement jig unit having measurement setting pointer}

1 is a block diagram of a general-purpose measuring jig unit using a measuring reference pin according to the present invention

FIG. 2 is a plan view of FIG. 1

3 is a front view of FIG. 1

4 is a configuration diagram of a carrier that is a component of a front end module;

    <Description of the symbols for the main parts of the drawings>

1: Base 2,3: Front and rear prevention zone

2a, 3a, 4a, 2b, 3b, 4b: support block

4: center support 5: side support

6: extension support 6a: reference side wall

6b: support column 7: trim line check member

8: positioner 8a: body

8b: insertion end 8c: tightening end

A, B, C: Front, rear, center potion D: Side potion

E: Extension potion a, b, c: Standard hole

Cu: Carrier K: Measuring Equipment

The present invention relates to a measuring jig unit, and more particularly, to a general measuring jig unit using a measuring reference pin that can be positioned and inspected and measured even when one jig has a different specification.

In general, a car's production plant manufactures a single part for each part, and then combines them together to produce a car. Before combining the parts together, the panel is manufactured to know whether the parts are manufactured to the correct dimensions. Parts, sub unit parts, cover parts, body framing, body in white, trim parts, etc. The error is individually measured, that is, the measurement is performed to accurately produce the required product during processing.

Recently, vehicle components have been modularized with various advantages and features. An example of such modularity is a front end module mounted in front of a passenger vehicle.

Among the components constituting the front end module, a hybrid carrier injected by inserting steel includes various parts such as a head lamp, a hood latch, a cooling module, and the like. 10 parts) are assembled, the correct shape and tolerance management is necessarily required for the assembly of the various parts.

Accordingly, after the carrier is injection molded, at least two stages of measurement are performed to manage the tolerances of the shape and the main assembly position. First, the trim line and the main mounting of the carrier are performed using the operator's vision. Inspection of the position of the hole, and using a separate measuring device to measure the three-dimensional (Lay Out) tolerance of the carrier deformed by the shrinkage of the resin after injection molding and the diameter tolerance of the main reference hole.

The jig holding the carrier is used separately for the visual measurement of the carrier and the equipment measurement. That is, when the carrier is visually measured, the jig having a shape on which the carrier can be placed can be used to confirm that the trim line of the carrier is suitable. On the other hand, when measuring the equipment of the carrier to use the jig that can hold the carrier while securing the space to measure the three-dimensional shape of the carrier (Lay Out) and the tolerance for the main reference hole in three dimensions.

Here, the main reference hole of the carrier is a design reference and the RPS point to which the pin of the automation device is fitted when the vehicle body is mounted, the OL point which is a reference point mounted when the vehicle body is assembled, and the H point which is the coordinate reference point of the whole carrier. do.

However, when the jig for holding and fixing the carrier is manufactured separately for each measurement, the manufacturing cost of the jig increases, and the operation of holding the measurement position after moving the carrier to the jig increases the overall working time. There is inconvenience.

In addition, since the specification of the carrier is different for each vehicle type, the jig used for this should also be manufactured for each specification, which causes a significant increase in the manufacturing cost of the jig.

Accordingly, the present invention has been invented in view of the above, and simultaneously performs visual inspection and three-dimensional measurement on the trimline of the carrier using one jig, as well as fixing and positioning the carrier having different specifications. Its purpose is to allow measurement.

The present invention for achieving the above object, the base is made of a wheel attached to the bottom surface to facilitate the movement and the center is formed so high compared to both sides,

Front, rear, and center support formed with a plurality of support blocks protruding at intervals in accordance with the shape of the carrier at the center of the base,

A side support having a plurality of support blocks protruding at intervals from both side portions of the front and rear prevention zones,

An extension support made of a support column protruding at a distance from a reference side wall contacting the side of the carrier to restrain the position of the carrier while forming a lower both side at the protruding center of the base;

A plurality of positioners fitted to the reference hole in a state in which the carrier is fastened to a support block corresponding to the reference hole position formed in the carrier so that the carrier is placed in a fixed position;

And a trim block checking member attached along a support column and a support block formed at a position along a trim line forming the overall appearance of the carrier.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 show the configuration of the general-purpose measuring jig unit using the measurement reference pin according to the present invention, the jig unit of the present invention is formed with a base (1) formed in the form of a high center of the two sides than the side portion; The front, rear, and center supports 2 formed of a plurality of support blocks 2a, 3a, 4a, 2b, 3b, and 4b, which protrude at intervals according to the shape of the carrier Cu at the center of the base 1, respectively , 3,4, side support (5) formed with a plurality of support blocks (5a) protruding at intervals at both sides of the front and rear prevention zones (2, 3), respectively, the protruding center portion of the base (1) The carrier and the extended support (6) consisting of a support column (6b) protruding at a distance from the reference side wall (6a) in contact with the side of the carrier (Cu) to restrain the position of the carrier (Cu) to form a lower both sides at At the position of the reference holes (a, b, c) formed in the carrier (Cu) so that (Cu) is in the correct position In the clamping state to the support block (4b, 5a) is composed of a plurality of positioners (8) is fitted to the reference hole (a, b, c).

Here, the support blocks 2a, 3a, 4a, 2b, 3b, and 4b protrude in various shapes to fix and support the carrier Cu more stably according to the shape of the carrier Cu. It is located in the shape along the trim line forming the overall appearance of Cu), the specific structural features are applied according to the structure of the carrier (Cu).

And, as shown in Figure 4, the carrier (Cu) forms the shape of the front end module forming the front portion of a typical passenger vehicle, that is, the front and rear of the overall frame forming a rectangular frame while mounting a hood latch and a radiator, etc. Rear and center potions (A, B, C), side potions (D) for mounting headlamps on both sides, and extended potions extending while forming bent portions on the side portions where the side potions (D) are not formed (E).

In this case, a plurality of reference holes (a, b, c) are formed in the carrier Cu, which is a design reference and is an RPS point at which pins of an automation device are fitted when the vehicle body is mounted, and is provided as one side portion portion D. Carrier at the opposite side of the reference hole (a) is formed, the reference hole (b) formed as the upper portion of the center portion (C) as the reference point (OL point) that is mounted during the assembly of the vehicle body and the side portion (D) formed with the RPS point A reference hole c formed as a side portion D is formed as an H point, which is an overall coordinate reference point.

In addition, each of the supports to facilitate visual inspection of the trim line of the carrier Cu placed on the front, rear, center, and side supports 2, 3, 4, 5 and the extended support 6 constituting the jig unit. A trimline check member 7 is attached along the blocks 2a, 3a, 4a, 5a, 2b, 3b, 4b and the support column 6b.

At this time, the trim line check member 7 has a different color from the surroundings to be easily distinguished.

In addition, the positioner 8 fitted into the reference holes a, b, and c of the carrier Cu may have a rod shape to have a predetermined height (about 300 mm) in a straight line as shown in FIG. 3. The fastening end 8c and the fastening end (8c) which form a screw at one end of the body (8a) and the support block (4b, 5a) of the center and side support (4,5) and the fastening end ( It is composed of an insertion end 8b having a relatively smaller diameter than the body 8a so as to protrude from the opposite side of 8c and fit in each of the reference holes a, b, c of the carrier Cu.

Hereinafter, the operation of the present invention will be described in detail with the accompanying drawings.

The jig unit of the present invention is capable of simultaneous visual inspection and three-dimensional measurement of the placed carrier (Cu). First, the visual inspection of the operator is formed on the base 1 of the jig unit as shown in Figs. The reference hole (a) of the carrier (Cu) is inserted into the insertion end (8c) of the positioner (8) while the positioner (8) is screwed into the support blocks (4b, 5a) of the center and side supports (4, 5). When the b and c are aligned, the carrier Cu is naturally placed and is brought into position.

That is, as shown in FIG. 3, the front, rear, and center portions A, B, and C of the carrier Cu are positioned through the positioner 8 protruding from the support block 4b of the central support 4. Located in the front, rear, and center supports (2, 3, 4), the side portion (D) is connected to the side support (5) via the positioner (8) protruding from the support block (5b) of the side support (5) At the same time, the extension potion E is positioned at the support column 6b while being in contact with the reference side wall 6a of the extension support 6.

In this way, when the carrier Cu is placed in the correct position, the operator may support each of the support blocks 2a constituting the front, rear, center, and side supports 2, 3, 4, and 5 and the extended support 6. Trim line and trim line check members 7 of the carrier Cu using the trim line check members 7 attached along the support columns 6b and 3a, 4a, 5a, 2b, 3b, and 4b. Visually confirm the degree of agreement of the inspection of the overall shape of the injection-molded carrier (Cu) to cover the degree of failure.

At this time, it is possible to inspect all of the visual inspection items for the carrier (Cu).

Subsequently, after visual inspection of the carrier Cu placed on the jig unit is completed, the jig unit is moved toward the three-dimensional measuring apparatus with the carrier Cu intact, and the reference hole for the carrier Cu is formed. b, c) The degree of change and the degree of deformation of each part according to the injection molding is confirmed by a three-dimensional image.

At this time, the jig unit is attached to the base portion 1 to the wheel to facilitate movement.

Subsequently, when the carrier Cu is inspected using the 3D measuring equipment, the measuring equipment K is coupled to the reference holes a, b, and c formed in the carrier Cu to obtain a measured value. After installing various equipments as necessary, the necessary work is performed.

On the other hand, even if the jig unit has a different specification of the carrier Cu, the jig unit is positioned using the reference hole (a), which is a reference when designing, as well as the trim line check member 7 in the positioned state. The trim line state of the carrier Cu may be visually inspected using the trim line. That is, the thickness of the trim line check member 7 may be changed to suitably match the trim line of the carrier Cu. ) Can be used even if the specifications are different.

As described above, according to the present invention, the carrier can be accurately positioned in the jig unit by using a hole, which is a design reference point of the carrier constituting the front end module, so that the mounting of the carrier is very easy.

In addition, the present invention can be mounted using a single jig unit in a state where the whole carrier in a predetermined space while the visual inspection and the three-dimensional measurement is made together, so that the convenience and shortening of the working time can be achieved.

In addition, according to the present invention, if the thickness of the colored member is attached according to the trim line formed by each component of the jig unit, even if the specification of the carrier is different, the visual inspection of the carrier's trim line is, of course, Mounting degree Since the carrier can be precisely positioned in the jig unit by using a hole, which is a design reference point, there is a general effect.

Claims (3)

Base (1) made of a form in which the wheel is attached to the bottom to facilitate movement, the center of which rises higher than both sides, The front, rear, and center supports 2 formed with a plurality of support blocks 2a, 3a, 4a, 2b, 3b, and 4b which protrude at intervals according to the shape of the carrier Cu at the center of the base 1, respectively; 3,4), Side support (5) formed with a plurality of support blocks (5a) protruding at intervals at both side portions of the front and rear prevention zones (2, 3), A support column 6b protruding at a distance from the reference side wall 6a contacting the side of the carrier Cu to restrain the position of the carrier Cu while forming both lower sides at the protruding center portion of the base 1. Extension support (6) consisting of The reference holes a, b, and c in a state in which the carrier Cu is fastened to the supporting blocks 4b and 5a corresponding to the positions of the reference holes a, b and c formed in the carrier Cu so that the carrier Cu is placed in the correct position. Multiple positioners 8 fitted in To the trim line check member 7 attached along the support blocks 2a, 3a, 4a, 2b, 3b, 4b and the support column 6b formed at positions along the trim lines forming the overall appearance of the carrier Cu. General purpose measuring jig unit using configured reference pin. 2. The universal measuring jig unit according to claim 1, wherein the trim line check member has a different color from the periphery to which it is attached. 2. The positioner (8) has a fastening end (8c) having a screw formed at one end of the body (8a) having a predetermined height, and protrudes on the opposite side of the fastening end (8c) to a carrier ( A general measurement jig unit using a measurement reference pin, characterized in that it is composed of an insertion end (8b) having a relatively small diameter compared to the body (8a) to be fitted into each reference hole (a, b, c) of Cu.

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