KR102536876B1 - 3-dimension measuring fixture jig - Google Patents

Abstract

When fixing a target product, we provide a fixing jig for 3D measurement that has scalability and ease of use for the target product. The fixing jig for 3D measurement includes a base plate fastened on the surface plate of the 3D measuring machine and having installation holes at set intervals, a support module fixed to the base plate, and a support module installed on the support module for linear reciprocating operation while operating the target product. The support module includes an inner screw, a fixing block, and a slide block, and the fixture module includes a fixing jaw and a moving jaw, the fixing block and the slide The block includes a first direction engaging protrusion and a second direction engaging protrusion, and the fixing tank and the moving tank are concavely formed on the lower surface so as to correspond to the first direction engaging protrusion and the second direction engaging protrusion. It has a first direction coupling groove and a second direction coupling groove.

Description

Fixing jig for 3D measurement {3-DIMENSION MEASURING FIXTURE JIG}

The present invention relates to a fixing jig for three-dimensional measurement, and more particularly, to a fixing jig for three-dimensional measurement that is used when fixing a target product to be measured with a three-dimensional measuring instrument and has scalability and convenience.

As is well known, a 3D measuring method mainly uses a contact method for measuring shapes such as distance and angular dimensions of a target product to be measured by a touch probe (sensor) such as a touch trigger or a continuous scanning method. A fixing jig for 3D measurement is used to fix the target product. A fixing jig for 3D measurement is required to be able to determine the location and quickly fix the target product.

In addition, it is required that the efficiency of the measurement work can be improved by omitting pre-alignment for installing the target product and enabling automatic measurement immediately, and that even unskilled workers can use it easily. Republic of Korea Patent Registration No. 1,636,173 (registered on June 28, 2016) discloses a jig for 3D measurement.

When fixing a target product, it is intended to provide a fixing jig for 3D measurement that has scalability for the target product and convenience in use.

A fixing jig for 3D measurement according to an embodiment of the present invention is fastened on a surface plate of a 3D measuring device and includes a base plate having installation holes at set intervals, a support module fixed to the base plate, and A fixture module is installed on the support module to fix the target product while performing a linear reciprocating operation, and the support module includes an inner screw installed on the body in a first direction and connected to a handle, and one end of the inner screw. It supports a rotating structure and includes a fixed block embedded in the body, and a slide block mounted on the inner screw and embedded in the body to move forward or backward toward the fixed block, and the fixture module is attached to the fixed block. It includes a fixed jaw installed, and a moving jaw installed on the slide block. Hold or place the target product with fixed and moving tanks.

The fixing block and the slide block are provided in a first direction coupling protrusion protruding upward and provided in the first direction, and a second direction coupling protrusion protruding upward in a second direction intersecting the first direction coupling protrusion. and a protrusion, wherein the fixing tank and the moving tank are provided with a first direction coupling groove and a second direction coupling groove concavely formed on a lower surface so as to correspond to the first direction coupling projection and the second direction coupling projection. can

The body may have tap holes at intervals set to fix auxiliary jigs on both sides of the slide block moving forward and backward.

The handle may be knurled on the surface.

The support module may further include a mounting plate coupled to a lower side of the body, and the mounting plate may be installed in the installation hole of the base plate by a fixing bolt penetrating the through hole.

The fixed jaw and the moving jaw may be formed as planes parallel to each other or concave faces facing each other.

The fixed tank has a first height and includes first and second tanks further provided at first and second points at the bottom and top thereof, respectively, and the moving tank is lower than the first height and has the first and second points. It may include a third article having a second height between the second points and further provided at the third point of the upper end. The first row and the second row may be adjusted in length to form three points of the third row and an imaginary plane.

The base plate may further include a stopper block that is connected to each other by installing a plurality of unit plates on the surface plate, and is provided on a first unit plate among two neighboring ones to support the second unit plate.

The stopper block includes an upper part and a side part in close contact with the upper surface and side surface of the corner of the first unit plate, and an extension part extending from the side part, and the upper part and the side part are in close contact with the upper surface and side surface at the corner of the first unit plate The upper part is fastened to the installation hole with a fixing bolt, and the extension part extends from the side part to the outside of the corner of the first unit plate to set the position of the side surface of the second unit plate.

As such, one embodiment of the present invention includes a base plate, a support module, and a fixture module fastened to the surface plate of the three-dimensional measuring machine, and the fixed jaw and the moving jaw of the fixture module are the first and second blocks of the fixed block and the slide block. Since the first direction coupling groove and the second direction coupling groove formed concavely on the lower surface corresponding to the two-way coupling protrusion are provided and combined, the fixture module can be replaced according to the target product, and thus, when fixing the target product Product versatility and convenience in use can be improved.

1 is an exploded perspective view of a base plate and a support module in a fixing jig for 3D measurement according to an embodiment of the present invention.
2A and 2B are perspective views of first and second fixture modules used in a fixing jig for 3D measurement according to an embodiment of the present invention.
3 is a perspective view of a state in which a support module is installed on a base plate.
4 is a plan view of a support module.
FIG. 5 is a cross-sectional view taken along line V-V of FIG. 4 .
6 is an operation state diagram for fixing and separating a target product from a support module and a first fixture module.
Figure 7 is a left side view of Figure 6;
8 is an operation state diagram for fixing a target product to a third fixture module.
Fig. 9 is a left side view of Fig. 8;
10 is a partial perspective view before and after assembling a stopper block to a base plate to connect a base plate installed on a surface plate.
11 is a perspective view of installing a plurality of unit plates using a stopper block on a surface plate.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. In order to clearly describe the present invention in the drawings, parts irrelevant to the description are omitted, and the same reference numerals are assigned to the same or similar components throughout the specification.

1 is an exploded perspective view of a base plate and a support module of a fixing jig for 3D measurement according to an embodiment of the present invention, and FIGS. 2A and 2B are used in a fixing jig for 3D measurement according to an embodiment of the present invention. It is a perspective view of the first, second, and third fixture modules to be.

1, 2a and 2b, a fixing jig for 3D measurement according to an embodiment includes a base plate 10, a support module 20 and a fixture module 30. The support module 20 and the fixture module 30 are configured to use various types of fixture modules in one support module 20 . This can improve the versatility and convenience of use of the target product.

3 is a perspective view of a state in which a support module is installed on a base plate. Referring to FIGS. 1 and 3 , a base plate 10 is fastened on a surface plate (not shown) of a 3D measuring device through a fixing hole 11 and has installation holes 12 at set intervals.

The installation holes 12 maintain a set interval in the x and y-axis directions, so that the support module 20 can be conveniently installed at a required location of the base plate 10 . The installation holes 12 form female threads on the inner circumferential surface.

Therefore, the support module 20 separates the alignment by pushing the fixing bolt 13 in one direction (x axis in FIG. It can be matched with the mechanical axis of a three-dimensional measuring device (not shown) without work.

The base plate 10 and the support module 20 are configured so that support modules 20 of various sizes can be used in one base plate 10 . This can improve the versatility and convenience of use of the target product.

4 is a plan view of the support module, and FIG. 5 is a cross-sectional view taken along line V-V of FIG. 4 . 4 and 5, the support module 20 is fixed to the base plate 10 and includes a body 21, an inner screw 22, a fixing block 23 and a slide block 24. .

The inner screw 22 is installed in the body 21 in a first direction (y-axis direction) and connected to the handle 25 . The body 21 is provided with tap holes 26 at intervals set to fix auxiliary jigs (not shown) on both sides of the slide block 24 moving forward and backward.

The surface of the handle 25 is knurled to prevent slipping during operation. The fixing block 23 supports one end of the inner screw 22 in a rotational structure and is embedded in the body 21 .

The slide block 24 is mounted on the inner screw 22 and built into the body 21, and is supported and guided by the inner surface of the body 21, moving forward or backward toward the fixed block 23 to hold the target product P is configured to be placed.

That is, the slide block 24 is screwed to the inner screw 22 and moves forward or backward with the forward or reverse rotation of the inner screw 22, so that it can move closer to or farther from the fixed block 23.

6 is an operating state diagram for fixing and separating a target product from a support module and a first fixture module, and FIG. 7 is a left side view of FIG. 6 . Referring to Figures 2a and 2b, and Figures 5 to 7, the fixture module 30 is installed on the support module 20 is configured to fix the target product (P) while operating in a linear reciprocating manner.

The fixture module 30 includes a fixed jaw 31 installed on the fixed block 23, and a moving jaw 32 installed on the slide block 24. The fixture module 30 is formed in various structures according to the shape of the target product (P).

Referring to FIG. 7, the fixed block 23 and the slide block 24 have guide protrusions G1 on their sides and are coupled to guide grooves G2 formed on the inner surface of the body 21, and the slide block 24 may be moved through the guide protrusion G1 and the guide groove G2.

1 to 5, the fixing block 23 and the slide block 24 protrude upward and include first direction coupling protrusions 231 and 241 provided in a first direction (y-axis direction), and a first It includes second direction coupling protrusions 232 and 242 provided in a second direction (x-axis direction) intersecting the direction coupling protrusions 231 and 241 and protruding upward. The first direction coupling protrusions 231 and 241 and the second direction coupling protrusions 232 and 242 are mounted to the fixing block 23 and the slide block 24 with fixing bolts B1 and B2.

The fixing tank 31 and the moving tank 32 are coupled to the first direction coupling protrusions 231 and 241 and the second direction coupling protrusions 232 and 242, so as to be coupled with a first direction coupling groove formed concavely on the lower surface ( 311 and 321 and second direction coupling grooves 312 and 322 are provided.

The mutual engagement of the first direction coupling protrusions 231 and 241 and the first direction coupling protrusions 231 and 241 prevents movement in the second direction (x-axis direction), and the second direction coupling protrusions 232 and 242 The mutual engagement of the coupling grooves 312 and 322 in the second direction prevents movement in the first direction (y-axis direction). The fixing tank 31 and the moving tank 32 are mounted by fastening fixing bolts B3 and B4 passing through fixing holes H23 and H24 formed in the fixing block 23 and the slide block 24.

Referring to Figures 2, 5 and 6, the fixing jaw 31 and the moving jaw 32 of the fixture module, that is, the first fixture module 30, are formed in planes parallel to each other (Fig. 2 (a) reference). The fixing jaw 33 and the moving jaw 34 of the second fixture module 230 are formed as concave surfaces facing each other (see FIG. 2(b)).

As shown in FIG. 6, by rotating the handle 25 clockwise or counterclockwise, the force of the inner screw 22 passes through the fixing block 23 and the slide block 24 to the fixing tank 31. When the fixing tank 31 and the moving tank 32 hold the target product P by operating the moving tank 32, shaking in the first direction and the second direction can be prevented.

Referring to FIGS. 1 and 3 to 6 , the support module 20 further includes a mounting plate 27 coupled to the lower side of the body 21 . The mounting plate 27 is installed in the installation hole 12 of the base plate 10 with a fixing bolt 13 passing through the through hole 271 .

8 is an operating state diagram for fixing a target product to a third fixture module, and FIG. 9 is a left side view of FIG. 8 . 8 and 9, in the third fixture module 330, the fixing tank 35 has a first height H1 and has a first point P1 and a second point P2 at the lower and upper ends thereof. Includes Article 1 351 and Article 2 352, which are further provided in each.

The moving tank 36 has a second height H2 lower than the first height H1 and between the first point P1 and the second point P2, and is further provided at the third point P3 at the top thereof Article 3 (361) is included. The first article 351 and the second article 352 are configured to be adjustable in length so as to form three points of the third article 361 and an imaginary plane.

Article 1 (351) and Article 2 (352) are formed as bars having a set length, and Article 1 (351) and Article 2 (351) and Article 2 are formed by fixing bolts (B) to mounting holes (H) provided at set intervals on the bar. (352) is installed. At this time, by selecting the mounting hole (H), the first group (351) and the second group (352) set the distance from the third group (361), support the target product (P) at three points, and measure 3D. makes it possible

Although one embodiment of the present invention illustrates the first, second, and third fixture modules 30, 230, and 330, various types of fixture modules may be used. At this time, the first direction coupling grooves 311 and 321 and the second direction coupling grooves 312 and 322 concavely formed on the lower surfaces of the fixed tubs 31, 33, and 35 and the moving tubs 32, 34 and 36 are Regardless of the type, they have the same structure.

Therefore, the first direction coupling grooves 311 and 321 and the second direction coupling grooves 312 and 322 are fixed, and the first direction coupling protrusions 231 and 241 and the second direction coupling protrusions of the slide blocks 23 and 24 ( 232, 242) are combined. Therefore, various types of fixture modules can use one support module in common.

10 is a partial perspective view before and after assembling a stopper block to a base plate to connect a base plate installed on a surface plate, and FIG. 11 is a perspective view of installing a plurality of unit plates using a stopper block on a surface plate.

Referring to FIGS. 10 and 11 , the base plate 10 may be formed by closely installing a plurality of unit plates on a surface plate (not shown), and includes a stopper block 103 for this purpose. The stopper block 103 includes an upper part 108, a side part 109 and an extension part 105. The upper part 108 adheres to the top and side surfaces of the corners of the first unit plate U1. Extension 105 extends from side 109 .

As an example, four first, second, third, and fourth unit plates U1, U2, U3, and U4 are exemplified, and a configuration in which they are installed in close contact with the stopper blocks 103 and 106 is illustrated. That is, the stopper block 103 is provided on two neighboring first unit plates U1 and second unit plate U2.

In the stopper block 103, its upper part 108 is in close contact with the upper surface at the corner of the first unit plate U1 (Fig. 10(a)), and its side part 109 is in close contact with the side surface of the corner ( 10 (b)), the upper portion 108 is fastened to the installation hole 12 of the first unit plate U1 with a fixing bolt 104. The extension part 105 further extends outside the corner of the first unit plate U1 to set the position of the side of the second unit plate U2.

Referring to FIG. 11 , a first unit plate U1 is installed on a surface plate (not shown). At this time, after temporarily fastening a fastening bolt (not shown) to the surface plate through the fixing hole 11, the first unit plate U1 is pushed in one direction (-y axis direction) to complete the fastening to the surface plate with the fastening bolt. . Then, the stopper block 103 is installed on the first unit plate U1 in the manner shown in FIG. 10 (see a in FIG. 11).

The second unit plate (U2) is pushed in the y-axis direction to adhere to the first unit plate (U1), pushed in the x-axis direction to adhere to the extension 105 of the stopper block 103, and then attached to the surface plate with a fastening bolt. complete the contract Then, a new stopper block 106 is installed at the corner of the second unit plate U2 (see b in FIG. 11).

Push the third unit plate (U3) in the x-axis direction to adhere to the second unit plate (U2), push in the -y-axis direction to adhere to the extension part 105 of the stopper block 106, and then use the fastening bolt to fix the platen. to complete the fastening (see FIG. 11 c).

Push the 4th unit plate (U4) in the -y-axis direction to adhere to the 3rd unit plate (U3), and push it in the x-axis direction to adhere to the 1st unit plate (U1), then complete the fastening to the surface plate with the fastening bolts. (see d in FIG. 11).

By fixing and installing the first, second, third, and fourth unit plates U1, U2, U3, and U4 to the surface plate in the above manner, the base plate 10 having a large area can be formed. Even when the support module 20 is installed on the base plate 10, as shown in FIG. 3, the support module 20 is pushed in one direction and the fixing bolt 13 is fastened to the base plate 10. By completing, the target product (P) fixed to the support module 20 can be aligned with the mechanical axis of the three-dimensional measuring device (not shown) without a separate alignment operation. Due to this, one embodiment can improve the versatility and convenience of use of the target product when fixing the target product.

Meanwhile, in one embodiment, since a plurality of support modules 20 can be installed at equal intervals on the base plate 10 installed over a large area, a large amount of products can be continuously measured.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited to these, and it is possible to make various modifications and practice within the scope of the claims, the description of the invention and the accompanying drawings, and this is also the present invention. It goes without saying that it falls within the scope of the invention.

10: base plate 11: fixing hole
12: installation hole 13: fixing bolt
20: support module 21: body
22: inner screw 23: fixed block
24: slide block 25: handle
26: tapped hole 27: mounting plate
30: (first) fixture module 31, 33, 35: fixed jaw
32, 34, 36: moving tank 103, 106: stopper block
104: fixing bolt 105: extension
108: upper part 109: side part
230: second fixture module 231, 241: first direction coupling protrusion
232, 242: second direction coupling protrusion 271: through hole
311, 321: first direction coupling groove 312, 322: second direction coupling groove
330: third fixture module 351: Article 1
352: Article 2 361: Article 3
B, B1, B2, B3, B4: fixing bolt H: mounting hole
H1, H2: 1st, 2nd height H23, H24: fixed hole
P: Target product P1: First branch
P2: 2nd point P3: 3rd point
U1, U2: 1st and 2nd unit plates U3, U4: 3rd and 4th unit plates

Claims (10)

A base plate fastened on the surface plate of the 3D measuring device and having installation holes at set intervals;
a support module fixed to the base plate; and
A fixture module installed on the support module and fixing the target product while performing a linear reciprocating operation
including,
The support module,
An inner screw installed in the body in the first direction and connected to the handle,
A fixing block that supports one end of the inner screw in a rotational structure and is embedded in the body, and
A slide block mounted on the inner screw and embedded in the body to move forward or backward toward the fixing block.
including,
The fixture module,
A jaw installed on the fixed block, and
Moving tank installed on the slide block
including,
Holding or placing the target product by the fixed tank and the moving tank,
The body is a fixing jig for three-dimensional measurement having tap holes at intervals set to fix the auxiliary jig on both sides of the slide block moving forward and backward. According to claim 1,
The fixed block and the slide block,
A first direction coupling protrusion protruding upward and provided in the first direction, and a second direction coupling protrusion provided in a second direction intersecting the first direction coupling projection and protruding upward,
The fixed tank and the moving tank,
A fixing jig for three-dimensional measurement having a first direction coupling groove and a second direction coupling groove concavely formed on a lower surface so as to correspond to the first direction coupling projection and the second direction coupling projection. delete According to claim 2,
The handle is a fixed jig for three-dimensional measurement that is processed by knurling on the surface. According to claim 2,
The support module
Further comprising a mounting plate coupled to the lower side of the body,
The mounting plate is a fixing jig for three-dimensional measurement installed in the installation hole of the base plate by a fixing bolt passing through a through hole. According to claim 2,
The fixing tank and the moving tank are fixed jig for three-dimensional measurement formed of planes parallel to each other or concave surfaces facing each other. A base plate fastened on the surface plate of the 3D measuring device and having installation holes at set intervals;
a support module fixed to the base plate; and
A fixture module installed on the support module and fixing the target product while performing a linear reciprocating operation
including,
The support module,
An inner screw installed in the body in the first direction and connected to the handle,
A fixing block that supports one end of the inner screw in a rotational structure and is embedded in the body, and
A slide block mounted on the inner screw and embedded in the body to move forward or backward toward the fixing block.
including,
The fixture module,
A jaw installed on the fixed block, and
Moving tank installed on the slide block
including,
Holding or placing the target product by the fixed tank and the moving tank,
The fixed block and the slide block,
A first direction coupling protrusion protruding upward and provided in the first direction, and a second direction coupling protrusion provided in a second direction intersecting the first direction coupling projection and protruding upward,
The fixed tank and the moving tank,
It has a first direction coupling groove and a second direction coupling groove formed concavely on the lower surface so as to correspond to the first direction coupling projection and the second direction coupling projection,
The fixing tank has a first height and includes first and second articles further provided at the first and second points of the lower and upper ends, respectively,
The moving jaw is lower than the first height and has a second height between the first point and the second point, and includes a third jaw further provided at a third point on the upper end of the fixing jig for three-dimensional measurement. According to claim 7,
The first set and the second set are fixed jig for three-dimensional measurement, the length of which is adjusted to form three points of the third set and an imaginary plane. The method of any one of claims 1, 2, 4 to 8,
The base plate is connected to each other by installing a plurality of unit plates on the surface plate, and further includes a stopper block provided on a first unit plate of two adjacent unit plates to support a second unit plate. According to claim 9,
The stopper block is
The upper and side parts in close contact with the upper and side surfaces of the corners of the first unit plate, and
an extension extending from the side
Including,
the upper part and the side part
At the corner of the first unit plate, it is in close contact with the top and side surfaces,
The upper part is fastened to the installation hole with a fixing bolt,
the extension
A fixing jig for three-dimensional measurement that further extends from the side portion to the outside of the corner of the first unit plate to set the position of the side surface of the second unit plate.

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