CN212458248U - Positioning fixture for wushi interferometer - Google Patents
Positioning fixture for wushi interferometer Download PDFInfo
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- CN212458248U CN212458248U CN202021044226.9U CN202021044226U CN212458248U CN 212458248 U CN212458248 U CN 212458248U CN 202021044226 U CN202021044226 U CN 202021044226U CN 212458248 U CN212458248 U CN 212458248U
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- sliding plate
- square hole
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Abstract
The utility model provides a positioning fixture of a Wushi interferometer, which comprises a base, wherein grid bars are continuously arranged on the upper surface of the base, a first sliding plate is arranged on the base, a first square hole groove is arranged in the center of the first sliding plate, a five-rib platform is fixed on the base in the first square hole groove, and the first sliding plate is clamped on the grid bars; the first sliding plate is provided with a second sliding plate, the center of the second sliding plate is provided with a second square hole groove, the second square hole groove is provided with a hollow-out load block, the upper surface of the hollow-out load block is lower than the plane of the square hole, and the lower surface of the hollow-out load block is provided with a clamping strip corresponding to the five-rib platform; through the cooperation of first sliding plate and bars, can promote first sliding plate and slide more stably on the base, reduce the skew problem, the second sliding plate is convenient for remove five points of gage block when measuring to the supporting role of carrier block to be applicable to the gage block of different specifications.
Description
Technical Field
The utility model relates to a measurement calibration equipment field especially relates to wu shi interferometer positioning fixture.
Background
The wu shi interferometer is also called a contact interferometer, the principle of optical interference can be used for detecting the length, and is usually used for detecting the length of a gauge block, in order to accurately detect the height of the gauge block, five points of the gauge block, including four corners and a center point, are required to be detected by the wu shi interferometer, the principle of the wu shi interferometer can be seen, the theory is that the measurement technology research institute of Shanghai city in SMT Shanghai measurement test, the author considers dazzle, the twenty-seventh chapter, the principle of the contact interferometer is explained in detail, the accuracy of the test is ensured, a device for placing the gauge block needs to be kept horizontal in height, the accuracy of the measurement can be ensured, and if the device is directly placed on a carrier for detection, and when the gauge block is moved, the moved position is not accurate enough.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a positioning fixture for a ukraine interferometer, which comprises a base, wherein grid bars are continuously arranged on the upper surface of the base, a first sliding plate is arranged on the base, a first square hole groove is arranged in the center of the first sliding plate, a five-rib platform is fixed on the base in the first square hole groove, and the first sliding plate is clamped on the grid bars; the first sliding plate is provided with a second sliding plate, a second square hole groove is formed in the center of the second sliding plate, a hollow-out load block is arranged in the second square hole groove, the upper surface of the hollow-out load block is lower than the plane where the square hole is located, and a clamping strip corresponding to the five-rib platform is arranged on the lower surface of the hollow-out load block.
Preferably, a cylindrical handle is arranged on the second sliding plate on the side of the second square hole groove.
Preferably, the second square hole groove side wall is provided with an invagination groove, a soft silica gel block is arranged in the invagination groove, and the edge of the soft silica gel block extends out of the second square hole groove side wall.
Preferably, two hollow-out grooves are formed in the hollow-out load block.
Preferably, the lower part of the first sliding plate is provided with an L-shaped clamping pin, and the L-shaped clamping pin presses the bottom of the base.
The utility model provides a wu shi interferometer locating clip has following beneficial effect: through the cooperation of first sliding plate and bars, can promote first sliding plate and slide more stably on the base, reduce the skew problem, the second sliding plate is convenient for remove five points of gage block when measuring to the supporting role of carrier block to be applicable to the gage block of different specifications.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a side sectional view of the present invention;
fig. 2 is a schematic view of the installation of the first sliding plate and the base of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a schematic view of a second slide plate of the present invention;
wherein, 1, a base; 2. grid bars; 3. a first sliding plate; 4. a first square hole groove; 5. a five-rib platform; 6. a second sliding plate; 7. a second square hole groove; 8. routing the empty block; 9. clamping the strip; 10. a cylindrical handle; 11. an invagination groove; 12. a soft silicone block; 13. l-shaped clamping feet.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 and fig. 3, the present invention provides a wushi interferometer positioning fixture, which comprises a base 1, wherein grid bars 2 are continuously arranged on the upper surface of the base 1, a first sliding plate 3 is arranged on the base 1, L-shaped clamping pins 13 are arranged on the lower portion of the first sliding plate 3, the L-shaped clamping pins 13 press the bottom of the base 1, a first square hole groove 4 is arranged in the center of the first sliding plate 3, five rib platforms 5 are fixed on the base 1 in the first square hole groove 4, the first sliding plate 3 is clamped on the grid bars 2, clamping bars matched with the grid bars 2 are arranged on the lower portion of the first sliding plate 3, the position is controllable when the first sliding plate 3 is pushed by the clamping bars and the grid bars 2, the problem of skew is eliminated, and the L-shaped clamping pins 13 are arranged between the first sliding plate 3 and the base 1, the L-shaped clamping pins 13 tightly fit the first sliding plate 3 and the base 1, the position of the indenter is kept controllable in the vertical direction with the top interferometer, and the deviation is reduced when sliding.
As shown in fig. 4, the first sliding plate 3 is provided with a second sliding plate 6, the center of the second sliding plate 6 is provided with a second square hole groove 7, the second square hole groove 7 is provided with a hollow-out load block 8, the upper surface of the hollow-out load block 8 is lower than the plane of the square hole and can ensure that the gauge block is clamped in the square hole, the side wall of the second square hole groove 7 is provided with an inward concave groove 11, the inward concave groove 11 is internally provided with a soft silica gel block 12, the edge of the soft silica gel block 12 extends out of the side wall of the second square hole groove 7, the soft silica gel block 12 can extrude the gauge block when being pressed between the soft silica gel blocks 12 due to the elasticity of the soft silica gel block, the gauge block can be pressed due to the reaction force on the gauge block, when a smaller gauge block is processed, the soft silica gel block 12 can extend out of the inward concave groove 11 without being excessively extruded and can also fix a small gauge block, the applicability of the device is improved.
As shown in fig. 2, the lower surface of the hollow carrier block 8 is provided with a clamping strip 9 corresponding to the five-rib platform 5, the measured block is placed on the hollow carrier block 8, the hollow carrier block 8 is provided with two hollow grooves, the position of the measured block is adjusted by moving the second sliding plate 6, the clamping strip 9 is matched with the five-rib platform 5 to move 5 positions, the measuring position can be defined, the second sliding plate 6 on the side of the second square hole groove 7 is provided with a cylindrical handle 10, the second sliding plate 6 can be moved by holding the cylindrical handle 10, the operation is more convenient, the contact gauge blocks are reduced, and the gauge blocks positioned by the second square hole groove 7 cannot deviate during measurement, and compared with the existing method that the gauge blocks are directly placed on the platform to measure the accuracy.
Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A positioning clamp for a Wolff interferometer is characterized by comprising a base, wherein grid bars are continuously arranged on the upper surface of the base, a first sliding plate is arranged on the base, a first square hole groove is formed in the center of the first sliding plate, a five-rib platform is fixed on the base in the first square hole groove, and the first sliding plate is clamped on the grid bars; the first sliding plate is provided with a second sliding plate, a second square hole groove is formed in the center of the second sliding plate, a hollow-out load block is arranged in the second square hole groove, the upper surface of the hollow-out load block is lower than the plane where the square hole is located, and a clamping strip corresponding to the five-rib platform is arranged on the lower surface of the hollow-out load block.
2. The interferometer positioning fixture of claim 1, wherein the second sliding plate on the side of the second square hole slot is provided with a cylindrical handle.
3. The interferometer positioning fixture of claim 1, wherein the second square hole groove sidewall has an inward recess, and a soft silicone block is disposed in the inward recess, and an edge of the soft silicone block extends out of the second square hole groove sidewall.
4. The interferometer positioning fixture of claim 1, wherein the hollow block is provided with two hollow grooves.
5. The interferometer positioning fixture of claim 1, wherein the first sliding plate has an L-shaped latch at a lower portion thereof, and the L-shaped latch presses against the bottom of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021044226.9U CN212458248U (en) | 2020-06-09 | 2020-06-09 | Positioning fixture for wushi interferometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021044226.9U CN212458248U (en) | 2020-06-09 | 2020-06-09 | Positioning fixture for wushi interferometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212458248U true CN212458248U (en) | 2021-02-02 |
Family
ID=74491610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021044226.9U Active CN212458248U (en) | 2020-06-09 | 2020-06-09 | Positioning fixture for wushi interferometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212458248U (en) |
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2020
- 2020-06-09 CN CN202021044226.9U patent/CN212458248U/en active Active
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