CN217587506U - Three-coordinate measurement auxiliary jig and test equipment - Google Patents
Three-coordinate measurement auxiliary jig and test equipment Download PDFInfo
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- CN217587506U CN217587506U CN202221078412.3U CN202221078412U CN217587506U CN 217587506 U CN217587506 U CN 217587506U CN 202221078412 U CN202221078412 U CN 202221078412U CN 217587506 U CN217587506 U CN 217587506U
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Abstract
The utility model relates to a three-coordinate measuring auxiliary jig. The method solves the technical problem that the existing non-standard part is high in three-coordinate measurement difficulty. This supplementary tool of three-coordinate measurement includes: the middle part of the installation frame is provided with a yielding cavity; the positioning pin is arranged on one side, located on the abdicating cavity, of the mounting frame; the lifting support device is provided with a support plate positioned on the mounting frame, at least three lifting columns capable of extending into the abdicating cavity are arranged on the support plate in a penetrating mode, and an abutting column is arranged at one end, far away from the support plate, of each lifting column; and the rotary pressing device is provided with at least two groups of devices arranged at intervals at the upper end of the mounting frame. This supplementary tool of three-dimensional measurationing can carry out the centre gripping measurement of positive and negative to the piece that awaits measuring, can reduce simultaneously with the centre gripping area of contact of the piece that awaits measuring, does benefit to the piece that awaits measuring both ends atress from top to bottom even, also does benefit to the measuring of test equipment to the piece three-dimensional of the unconventional shape piece that awaits measuring.
Description
Technical Field
The utility model belongs to the tool field of measurationing relates to a three-coordinate measurationing auxiliary tool and test equipment.
Background
The existing measuring equipment generally performs measurement by directly placing the to-be-measured object into the testing equipment or by simply clamping the to-be-measured object. For some non-standard products, such as circuit boards, after components are mounted, the appearance sizes are different, three-coordinate measurement cannot be directly and accurately performed on the non-standard products, and the to-be-measured parts are easily damaged in the clamping process.
For example, the chinese patent document discloses a CNC positioning jig [201920385669.5] comprising: the base, be used for placing prevent shape positioning fixture's mounting panel, apron, revolving cylinder, prevent shape positioning fixture and rotatory briquetting, install the reference column on the mounting panel, install on the base revolving cylinder, the revolving cylinder tip is equipped with rotatory briquetting, prevent being equipped with the guide way on the shape positioning fixture, still be equipped with a plurality of product mounting grooves and apron constant head tank on preventing the shape positioning fixture, be equipped with the locating hole on the apron, perforate, gib block and locating piece. Although the clamp effectively reduces the requirement for manufacturing the anti-form positioning clamp, the technical problem is not effectively solved yet.
Disclosure of Invention
The utility model aims at the above-mentioned problem that prior art exists, provide an auxiliary fixture and test equipment are measurationed to three-dimensional.
The purpose of the utility model can be realized by the following technical proposal:
the three-coordinate measuring auxiliary fixture comprises:
the middle part of the installation frame is provided with a abdicating cavity;
the positioning pin is arranged on one side, located on the abdicating cavity, of the mounting frame;
the lifting support device is provided with a support plate positioned on the mounting frame, at least three lifting columns capable of extending into the abdicating cavity are arranged on the support plate in a penetrating mode, and an abutting column is arranged at one end, far away from the support plate, of each lifting column;
rotatory device that pushes down has two at least groups interval to set up the upper end of installation frame, rotatory device swivelling joint that pushes down has the swinging boom, the one end elastic connection that the rotatory device that pushes down was kept away from to the swinging boom has the post that pushes down that corresponds with the butt post.
Furthermore, the rotary pressing device is a horizontal rotating motor, and the rotary pressing device drives the rotating arm to drive the pressing column to rotate along the horizontal plane direction.
Furthermore, the rotary pressing device is a vertical rotating motor, and the rotary pressing device drives the rotating arm to drive the pressing column to rotate along the vertical surface direction.
Furthermore, the butt post all is L shape and the end of butt post and the end of pushing down the post are located same vertical trajectory with pushing down the post.
Furthermore, the bottom of one end, away from the rotary pressing device, of the rotating arm is provided with an installation blind hole, the upper end of the pressing column is provided with a guide column extending into the installation blind hole, and a buffer spring which is arranged outside the guide column and is connected with the rotating arm and the pressing column is sleeved on the upper end of the pressing column.
Further, installation frame upper end interval is equipped with the supporting part of inside extension, be equipped with the vertical wearing and establish in the bar hole of bar hole and locating pin in the supporting part, the bar hole is equipped with the butt and forces the clamping spring of locating pin level inside shift trend on the locating pin.
Furthermore, the two ends of the positioning pin, which are positioned in the strip-shaped hole, are sleeved with limiting rings for keeping the positioning pin to horizontally move.
Further, the clamping space between the abutting column and the lower pressing column is located on the outer side of the mounting frame.
Furthermore, the end part of the abutting column and the end part of the lower pressing column are both provided with a protective soft cushion.
The utility model also provides a test equipment, have as supplementary tool of three-dimensional measurationing.
Compared with the prior art, this supplementary tool of three-dimensional measurationing is equipped with the space of stepping down after stepping down the appearance chamber as installation space and a to-be-measured centre gripping, make whole location compacter, can not produce the part and interfere, can carry out the centre gripping of positive and negative to the to-be-measured piece and measure, application scope is wider, can reduce simultaneously with the centre gripping area of contact of to-be-measured piece, it is even to do benefit to the upper and lower both ends atress of to-be-measured piece, and make the whole complete exposure of to-be-measured piece in one side, reduce the interference of tool to the to-be-measured piece, in order to do benefit to test equipment to the measurement of to-be-measured piece three-dimensional.
Drawings
Fig. 1 is a schematic structural view of the three-coordinate measuring auxiliary fixture provided by the present invention.
Fig. 2 is a schematic cross-sectional view of the three-coordinate measuring auxiliary fixture of fig. 1.
Fig. 3 is an enlarged schematic view of an area a of the three-coordinate measurement auxiliary fixture of fig. 1.
Fig. 4 is a schematic view illustrating a positioning pin of the three-coordinate measurement auxiliary fixture of fig. 1.
In the figure, 10, the mounting frame; 11. a abdicating accommodating cavity; 12. positioning pins; 13. a strip-shaped hole; 14. a clamping spring; 15. a confinement ring; 16. a support portion; 20. a lifting support device; 21. a support plate; 22. a lifting column; 23. a butting post; 30. rotating the pressing device; 31. a rotating arm; 32. pressing the column; 33. installing blind holes; 34. a guide post; 35. a buffer spring; 36. and the soft cushion is protected.
Detailed Description
Example one
Please refer to fig. 1 to 4, which are schematic structural views of a three-coordinate measuring auxiliary fixture according to the present invention. The three-coordinate measuring auxiliary fixture comprises: a mounting frame 10; positioning pins 12 provided on the mounting frame 10; a lifting support means 20 and a rotary hold-down means 30 provided on the mounting frame 10. It is understood that the auxiliary fixture for three-coordinate measurement may further include other functional components and specific structures, such as electrical connection components, mounting structures, etc., which are well known to those skilled in the art, and therefore, will not be described in detail herein.
Locating pin 12 sets up installation frame 10 is located one side of stepping down and holding the chamber 11, and in this embodiment, the inward flange of installation frame 10 upper end is provided with inward extension's supporting part 16, be equipped with bar hole 13 and locating pin 12 in the supporting part 16 and vertically wear to establish in bar hole 13, bar hole 13 is equipped with the butt and forces locating pin 12 horizontal inwards move clamping spring 14 of trend on locating pin 12. When the to-be-detected piece enters the abdicating accommodating cavity 11, the outer wall of the to-be-detected piece abuts against the positioning pin 12 to force the positioning pin 12 to open outwards along the strip-shaped hole 13 so as to adapt to the peripheral size of the to-be-detected piece, meanwhile, elastic potential energy of the clamping spring 14 is reversely applied to the outer wall of the to-be-detected piece to form elastic clamping, the positioning pin 12 is made of soft elastic materials such as resin or rubber, and the friction damage of the outer wall of the to-be-detected piece is reduced. The positioning pin 12 is used for limiting the outer wall of the to-be-measured part in an abutting mode, the conventional positioning hole guiding and positioning are replaced, and the positioning difficulty between the to-be-measured part and the positioning pin 12 is reduced. The two ends of the positioning pin 12, which are located in the strip-shaped hole 13, are sleeved with limiting rings 15 for keeping the positioning pin 12 to horizontally move, so that the movement guiding function is further increased, and the limiting rings are C-shaped clamping rings or nuts in threaded connection, which are sleeved at the two ends of the positioning pin.
Lifting support device 20 has a backup pad 21 that is located installation frame 10, and backup pad 21 is arranged in to await measuring the piece and puts the preliminary support in the bottom of stepping down and holding the chamber 11, backup pad 21 wears to be equipped with at least three lift post 22 that can stretch into and step down and hold the chamber 11, and sets up lift post 22 keeps away from the butt post 23 of backup pad 21 one end. The lifting column 22 is arranged in a penetrating way to form a motion guide, and the abutting column 23 is in contact with the bottom of the piece to be measured. In this embodiment, the lifting support device 20 is a driving cylinder, and drives the lifting column 22 to move in the abdicating cavity 11, so as to drive the abutting column 23 to abut against the bottom of the to-be-measured part to realize lifting.
The rotary hold-down device 30 has at least two sets of spacers disposed at the upper end of the mounting frame 10. In the present embodiment, the rotary pressing device 30 has four sets, the rotary arm 31 is rotatably connected to the rotary pressing device 30, and the pressing column 32 corresponding to the abutting column 23 is elastically connected to one end of the rotary arm 31 away from the rotary pressing device 30. More specifically, the rotary hold-down device 30 is a horizontal rotary motor. When the piece to be measured is put into and is abdicating in the appearance chamber 11, rotatory pushing down device 30 drive swinging boom 31 drives down the compression leg 32 and rotate along the horizontal plane direction, and the upper end restriction that the upper end that pushing down post 32 is located the piece to be measured is sealed, and rethread lift strutting arrangement 20 rises, until the upper end butt of the piece to be measured on pushing down post 32, the one end bottom that rotatory pushing down device 30 was kept away from to swinging boom 31 is equipped with installation blind hole 33, the upper end of pushing down post 32 is equipped with the guide post 34 that stretches into installation blind hole 33, and overlaps and establish the buffer spring 35 in the guide post 34 outside and connection swinging boom 31 and pushing down post 32, when the piece to be measured touches down compression leg 32, buffer spring 35 provides the atress buffering, reduces the atress striking degree of the piece to be measured.
The butt column 23 all is L shape and butt column 23 with the end of pressing the post 32 down with pressing the post 32 down and is located same vertical trajectory, this structure can reduce with the centre gripping area of contact of awaiting measuring piece, and both ends atress is even about doing benefit to the piece of awaiting measuring, has the proof warp function.
The clamping space between the abutting column 23 and the pressing column 32 is located at the outer side of the mounting frame 10, so that the whole part of the piece to be tested is completely exposed at one side, the interference of the jig on the piece to be tested is reduced, and the three-coordinate measurement of the piece to be tested by the testing equipment is facilitated.
The tip of 23 tip of butt post and the tip of pushing down post 32 all are equipped with protection cushion 36, and protection cushion 36 avoids a piece that awaits measuring and butt post 23, and it is impaired to push down post 32 contact scratch.
Example two
The structure and principle of the present embodiment are substantially the same as those of the first embodiment, and the only difference lies in that: the rotary pressing device 30 is a vertical rotating motor, the rotary pressing device 30 drives the rotary arm 31 to drive the pressing column 32 to rotate along the vertical surface direction, and the rotary arm 31 is driven to rotate along the vertical surface through the rotary pressing device 30, so that the switch for limiting the upper end of the piece to be detected is realized, and the same technical effect as that of the embodiment can be achieved.
EXAMPLE III
The utility model also provides the utility model provides a test equipment has if the three-dimensional auxiliary jig of measurationing, except that the three-dimensional auxiliary jig of measurationing, other parts are prior art or commercial spare.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a supplementary tool of three-coordinate measurationing which characterized in that, the supplementary tool of three-coordinate measurationing includes:
the middle part of the installation frame is provided with a abdicating cavity;
the positioning pin is arranged on one side, located on the abdicating cavity, of the mounting frame;
the lifting support device is provided with a support plate positioned on the mounting frame, at least three lifting columns capable of extending into the abdicating cavity are arranged on the support plate in a penetrating mode, and an abutting column is arranged at one end, far away from the support plate, of each lifting column;
rotatory device that pushes down has two at least groups interval to set up the upper end of installation frame, rotatory device swivelling joint that pushes down has the swinging boom, the one end elastic connection that the rotatory device that pushes down was kept away from to the swinging boom has the post that pushes down that corresponds with the butt post.
2. The auxiliary fixture for three-dimensional measurement according to claim 1, wherein the rotary pressing device is a horizontal rotating motor, and the rotary pressing device drives the rotary arm to rotate the pressing post along a horizontal direction.
3. The auxiliary fixture for measuring three coordinates of claim 1, wherein the rotary pressing device is a vertical rotating motor, and the rotary pressing device drives the rotating arm to rotate the pressing column along a vertical plane.
4. The auxiliary fixture for three-coordinate measurement according to claim 1, wherein the abutment post and the lower pressing post are L-shaped and the end of the abutment post and the end of the lower pressing post are located on the same vertical trajectory.
5. The auxiliary fixture for three-dimensional measurement according to claim 1, wherein the bottom of the end of the rotating arm away from the rotating pressing device has a blind mounting hole, the upper end of the pressing column has a guiding column extending into the blind mounting hole, and a buffer spring is disposed outside the guiding column and connects the rotating arm and the pressing column.
6. The auxiliary fixture for measuring three coordinates of claim 1, wherein the mounting frame has inwardly extending support portions spaced apart from each other at an upper end thereof, the support portions have bar-shaped holes therein, and the positioning pins are vertically inserted into the bar-shaped holes, the bar-shaped holes have clamping springs abutting against the positioning pins to urge the positioning pins to move horizontally inward.
7. The auxiliary fixture for three-dimensional measurement according to claim 6, wherein the positioning pins are sleeved with limiting rings for keeping the positioning pins horizontally displaced at two ends of the bar-shaped holes.
8. The auxiliary fixture for three-coordinate measurement according to claim 1, wherein the clamping space between the abutment post and the pressing post is located outside the mounting frame.
9. The auxiliary fixture for three-coordinate measurement according to claim 1, wherein the ends of the abutment post and the lower pressing post are provided with protective cushions.
10. A testing apparatus, comprising the three-coordinate measurement auxiliary fixture of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221078412.3U CN217587506U (en) | 2022-05-07 | 2022-05-07 | Three-coordinate measurement auxiliary jig and test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221078412.3U CN217587506U (en) | 2022-05-07 | 2022-05-07 | Three-coordinate measurement auxiliary jig and test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217587506U true CN217587506U (en) | 2022-10-14 |
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ID=83548679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221078412.3U Active CN217587506U (en) | 2022-05-07 | 2022-05-07 | Three-coordinate measurement auxiliary jig and test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217587506U (en) |
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2022
- 2022-05-07 CN CN202221078412.3U patent/CN217587506U/en active Active
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