CN212553448U - Positioning jig with multiple positioning heights for three-dimensional measurement - Google Patents
Positioning jig with multiple positioning heights for three-dimensional measurement Download PDFInfo
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- CN212553448U CN212553448U CN202020725665.XU CN202020725665U CN212553448U CN 212553448 U CN212553448 U CN 212553448U CN 202020725665 U CN202020725665 U CN 202020725665U CN 212553448 U CN212553448 U CN 212553448U
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Abstract
The utility model provides a cubic unit is measured and is used positioning jig with a plurality of positioning height, include: the device comprises a bottom plate, a first positioning mechanism, a second positioning mechanism and a reference column, wherein the bottom plate is of a rectangular frame structure; the first positioning mechanism comprises a first base, a first spiral arm and a first supporting column; the second positioning mechanism comprises a second base, a second swing arm and a second supporting column, and the height of the second supporting column is smaller than that of the first supporting column; the reference column is fixedly arranged on the bottom plate. The utility model provides a pair of cubic unit is measured and is used positioning jig with a plurality of location height can fix a position the part of co-altitude not on the work piece, and the work piece is fully fixed a position, produces offset when avoiding measuring, influences measured data's accuracy.
Description
Technical Field
The utility model relates to a positioning jig particularly, relates to a cubic unit with a plurality of location height measures and uses positioning jig.
Background
A three-dimensional measuring instrument is an instrument for measuring by three-dimensional point taking, and the main working principle is as follows: the measured object is placed in a three-dimensional measurement space, the coordinate positions of the measured points on the measured object can be obtained, and the geometric size, shape and position of the measured object are calculated according to the space coordinate values of the points.
The three-dimensional measuring instrument is generally equipped with a positioning fixture for fixing the position of the workpiece to be measured. When the positioning jig is used for positioning a workpiece, because the workpiece is usually uneven, the workpiece is fixed by using a positioning mechanism with only one positioning height, and parts of the workpiece are in a suspended state and are easy to shake, so that the positioning effect is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a cubic unit is measured and is used positioning jig with a plurality of location heights can fix a position the part of co-altitude not on the work piece, fully positions the work piece, produces offset when avoiding measuring, influences measured data's accuracy.
Therefore, the utility model provides a cubic unit is measured and is used positioning jig with a plurality of positioning height, include:
the bottom plate is of a rectangular frame structure;
the first positioning mechanism comprises a first base, a first rotary arm and a first support column, the first base is fixedly arranged on the bottom plate, the first rotary arm is rotatably arranged on the first base, a first elastic component is arranged between the first rotary arm and a first top cover of the first base, a first pressure rod is arranged at the end part of the first rotary arm, the first support column is fixedly arranged on the bottom plate, and the bottom of the first pressure rod abuts against the top surface of the first support column;
the second positioning mechanism comprises a second base, a second rotating arm and a second supporting column, the second base is fixedly arranged on the bottom plate, the second rotating arm is rotatably arranged on the second base, a second elastic component is arranged between the second rotating arm and a second top cover of the second base, a second pressure rod is arranged at the end part of the second rotating arm, the second supporting column is fixedly arranged on the bottom plate, the bottom of the second pressure rod abuts against the top surface of the second supporting column, and the height of the second supporting column is smaller than that of the first supporting column;
and the reference column is fixedly arranged on the bottom plate.
Further, the first compression bar is parallel to the second compression bar.
Further, the second depression bar includes connecting seat and spacing post, and connecting seat fixed mounting is provided with the draw-in groove in the tip of second spiral arm, connecting seat bottom, and spacing post one end joint is provided with first through-hole in the draw-in groove on the spacing post, be provided with two second through-holes that correspond first through-hole on the both sides wall of draw-in groove, and connecting seat and spacing post are through wearing to locate the cylindric lock fixed mounting of first through-hole and second through-hole.
Further, the second through hole is waist type hole, and the second through hole is arranged along the length direction of connecting seat.
Further, the first elastic member and the second elastic member are springs.
Further, the height of the first support column is smaller than the height of the reference column.
The utility model provides a cubic unit is measured and is used positioning jig with a plurality of positioning height places positioning jig on the cubic unit workstation during use, and positioning jig both sides are provided with the handle, conveniently remove, adjust positioning jig. The workpiece is placed on the first supporting column and the second supporting column, the first spiral arm is rotated to enable the first pressing rod at the bottom of the first spiral arm to abut against the surface of the workpiece, the spring is arranged between the first spiral arm and the first top cover, the surface of the workpiece is firmly positioned by the first pressing rod, the second spiral arm is rotated in the same way, and the second pressing rod at the bottom of the second spiral arm abuts against the surface of the workpiece to complete the positioning of the workpiece. The first supporting column and the second supporting column with different heights are matched with the corresponding first pressing rod and the second pressing rod to position different positions on the workpiece. The reference column is used as a reference for ensuring the repeated positioning precision.
The utility model provides a pair of cubic unit is measured and is used positioning jig with a plurality of location height can fix a position the part of co-altitude not on the work piece, and the work piece is fully fixed a position, produces offset when avoiding measuring, influences measured data's accuracy.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a perspective view of a positioning jig for three-dimensional measurement with a plurality of positioning heights according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a connecting seat in a positioning fixture for three-dimensional measurement with multiple positioning heights according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a spacing column in a positioning fixture for three-dimensional measurement with multiple positioning heights according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to fig. 3, a positioning fixture for three-dimensional measurement with a plurality of positioning heights according to an embodiment of the present invention is shown in the drawings, and includes:
the base plate 1 is of a rectangular frame structure;
the first positioning mechanism 2 comprises a first base 21, a first radial arm 22 and a first support column 23, the first base 21 is fixedly installed on the bottom plate 1, the first radial arm 22 is rotatably installed on the first base 21, a first elastic component is arranged between the first radial arm 22 and a first top cover 211 of the first base 21, a first pressure lever 24 is arranged at the end part of the first radial arm 22, the first support column 23 is fixedly installed on the bottom plate 1, and the bottom of the first pressure lever 24 is abutted to the top surface of the first support column 23;
the second positioning mechanism 3 comprises a second base 31, a second radial arm 32 and a second support column 33, the second base 31 is fixedly installed on the bottom plate 1, the second radial arm 32 is rotatably installed on the second base 31, a second elastic component is arranged between the second radial arm 32 and a second top cover 311 of the second base 31, a second pressure lever 34 is arranged at the end part of the second radial arm 32, the second support column 33 is fixedly installed on the bottom plate 1, the bottom of the second pressure lever 34 is abutted against the top surface of the second support column 33, and the height of the second support column 33 is smaller than that of the first support column 23;
and a reference column 4 fixedly installed on the base plate 1.
Specifically, referring to fig. 1-3, the first lever 24 is parallel to the second lever 34.
Specifically, referring to fig. 1 to 3, the first elastic member and the second elastic member are springs.
Specifically, referring to fig. 1 to 3, the height of the first support column 23 is smaller than the height of the reference column 4.
The utility model provides a cubic unit is measured and is used positioning jig with a plurality of positioning height places positioning jig on the cubic unit workstation during use, and positioning jig both sides are provided with the handle, conveniently remove, adjust positioning jig. The workpiece is placed on the first supporting column and the second supporting column, the first spiral arm is rotated to enable the first pressing rod at the bottom of the first spiral arm to abut against the surface of the workpiece, the spring is arranged between the first spiral arm and the first top cover, the surface of the workpiece is firmly positioned by the first pressing rod, the second spiral arm is rotated in the same way, and the second pressing rod at the bottom of the second spiral arm abuts against the surface of the workpiece to complete the positioning of the workpiece. The first supporting column and the second supporting column with different heights are matched with the corresponding first pressing rod and the second pressing rod to position different positions on the workpiece. The reference column is used as a reference for ensuring the repeated positioning precision.
The utility model provides a pair of cubic unit is measured and is used positioning jig with a plurality of location height can fix a position the part of co-altitude not on the work piece, and the work piece is fully fixed a position, produces offset when avoiding measuring, influences measured data's accuracy.
Example two:
referring to fig. 1 to fig. 3, a positioning fixture for three-dimensional measurement with multiple positioning heights according to a second embodiment of the present invention is shown in the drawings, and the present embodiment further provides the following technical solutions as improvements on the basis of the above embodiments: the second pressure lever 34 includes a connection seat 341 and a spacing post 342, the connection seat 341 is fixedly mounted at the end of the second swing arm 32, a clamping groove is provided at the bottom of the connection seat 341, one end of the spacing post 342 is clamped in the clamping groove, a first through hole 3421 is provided on the spacing post 342, two second through holes 3411 corresponding to the first through hole 3421 are provided on two side walls of the clamping groove, and the connection seat 341 and the spacing post 342 are fixedly mounted through cylindrical pins penetrating through the first through hole 3421 and the second through hole 3411.
The second compression bar is different from the first compression bar, and is formed by combining the connecting seat and the limiting column due to the fact that the length of the second compression bar is long, the limiting columns with different lengths can be replaced according to the height change of the surface of a workpiece, and the positioning height of the second positioning mechanism can be flexibly adjusted.
Example three:
referring to fig. 1 to fig. 3, a positioning fixture for three-dimensional measurement with multiple positioning heights according to a third embodiment of the present invention is shown in the drawings, and the present embodiment further provides the following technical solutions as improvements on the basis of the above embodiments: the second through hole 3411 is a kidney-shaped hole, and the second through hole 3411 is disposed along the length direction of the connection holder 341.
In order to further improve the flexibility of the positioning height adjustment of the second positioning mechanism, the second through hole on the connecting seat is a waist-shaped hole, the limiting column can slide in the vertical direction along the second through hole, and the workpiece can be still pressed by the limiting column under the action of self gravity.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a cubic is measured and is used positioning jig with a plurality of positioning height which characterized in that includes:
the bottom plate (1), the bottom plate (1) is a rectangular frame structure;
the first positioning mechanism (2) comprises a first base (21), a first rotating arm (22) and a first support column (23), the first base (21) is fixedly installed on the bottom plate (1), the first rotating arm (22) is rotatably installed on the first base (21), a first elastic component is arranged between the first rotating arm (22) and a first top cover (211) of the first base (21), a first pressure lever (24) is arranged at the end part of the first rotating arm (22), the first support column (23) is fixedly installed on the bottom plate (1), and the bottom of the first pressure lever (24) abuts against the top surface of the first support column (23);
the second positioning mechanism (3) comprises a second base (31), a second radial arm (32) and a second support column (33), the second base (31) is fixedly installed on the bottom plate (1), the second radial arm (32) is rotatably installed on the second base (31), a second elastic component is arranged between the second radial arm (32) and a second top cover (311) of the second base (31), a second pressure lever (34) is arranged at the end part of the second radial arm (32), the second support column (33) is fixedly installed on the bottom plate (1), the bottom of the second pressure lever (34) abuts against the top surface of the second support column (33), and the height of the second support column (33) is smaller than that of the first support column (23);
a reference column (4) fixedly mounted on the base plate (1).
2. The positioning jig for three-dimensional measurement with multiple positioning heights according to claim 1, wherein the first pressing rod (24) is parallel to the second pressing rod (34).
3. The positioning jig for three-dimensional element measurement with multiple positioning heights according to claim 1 or 2, wherein the second pressure lever (34) comprises a connecting seat (341) and a limiting column (342), the connecting seat (341) is fixedly installed at the end of the second swing arm (32), a clamping groove is formed in the bottom of the connecting seat (341), one end of the limiting column (342) is clamped in the clamping groove, a first through hole (3421) is formed in the limiting column (342), two second through holes (3411) corresponding to the first through hole (3421) are formed in two side walls of the clamping groove, and the connecting seat (341) and the limiting column (342) are fixedly installed through cylindrical pins penetrating through the first through hole (3421) and the second through hole (3411).
4. The positioning fixture for three-dimensional measurement with multiple positioning heights according to claim 3, wherein the second through holes (3411) are kidney-shaped holes, and the second through holes (3411) are arranged along the length direction of the connection seat (341).
5. The positioning fixture for three-dimensional measurement with multiple positioning heights according to claim 1, wherein the first elastic member and the second elastic member are springs.
6. The positioning jig for three-dimensional measurement with a plurality of positioning heights according to claim 1, wherein the height of the first support column (23) is smaller than the height of the reference column (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020725665.XU CN212553448U (en) | 2020-04-30 | 2020-04-30 | Positioning jig with multiple positioning heights for three-dimensional measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020725665.XU CN212553448U (en) | 2020-04-30 | 2020-04-30 | Positioning jig with multiple positioning heights for three-dimensional measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212553448U true CN212553448U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020725665.XU Active CN212553448U (en) | 2020-04-30 | 2020-04-30 | Positioning jig with multiple positioning heights for three-dimensional measurement |
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| Country | Link |
|---|---|
| CN (1) | CN212553448U (en) |
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- 2020-04-30 CN CN202020725665.XU patent/CN212553448U/en active Active
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