CN213470935U - Blade optical detection positioning fixture - Google Patents
Blade optical detection positioning fixture Download PDFInfo
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- CN213470935U CN213470935U CN202022449846.7U CN202022449846U CN213470935U CN 213470935 U CN213470935 U CN 213470935U CN 202022449846 U CN202022449846 U CN 202022449846U CN 213470935 U CN213470935 U CN 213470935U
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Abstract
The utility model discloses a blade optical detection positioning fixture belongs to optical scanning auxiliary device technical field. The fixture comprises a base and a supporting block, wherein the supporting block is detachably connected with the base and can rotate relative to the base, a clamping component A is arranged on one side of the supporting block, and a clamping component B is arranged on the supporting block on the opposite side of the clamping component A. The underrun of blade tenon supports and fixes a position through location notch A, location notch B, and one of them side of blade tenon is fixed a position through the locating piece, and another one side is fixed a position through location notch A, and the third side is fixed a position through location notch B, through backup pad and removal pressure strip clamp holding fixed blade, the clamping with dismantle convenient, quick. The supporting block can be rotated relative to the base as required, so that the blade is finely adjusted to the optimal detection position, and the blade profile can be comprehensively scanned. Has the advantages of simple structure, convenient operation, low manufacturing cost and the like.
Description
Technical Field
The utility model relates to a blade optical detection positioning fixture belongs to optical scanning auxiliary device technical field.
Background
The traditional measuring tool and sample plate are adopted to detect the rotor blade of the aero-engine, and the defects of large workload, low detection efficiency and relatively large error exist. Optical detection is a new technology, is applied more and more widely in the industrial field, and can realize high-precision and high-efficiency detection. The working principle of the non-contact optical scanning device is that the optical technology is utilized to scan and measure the surface of a measured part, the displacement change is converted into the electric signal change, a point cloud is formed by scanning a physical model, and the point cloud is compared with a standard model for analysis after being fitted. In the material object scanning stage, in order to ensure the scanning precision and the stability of the scanning process and improve the detection efficiency, the forged blade needs to be clamped and positioned.
Chinese patent publication No. CN103465071A discloses a four-axis milling movable and stationary blade positioning seat tooling fixture, which is formed by connecting a numerical control rotary table, a fixture body, a blade mounting seat and a pressing plate, wherein the numerical control rotary table is fixedly connected with the fixture body through three fastening bolts and a cylindrical positioning pin, the fixture body is a rectangular bottom plate which is perpendicularly connected with a baffle plate whose three sides surround one side of an opening, the blade mounting seat is arranged in the baffle plate, wherein a positioning pin is arranged at the upper end of the baffle plate and the middle position of the horizontal line in the middle, the positioning pin protrudes out of the surface of the baffle plate, a screw hole is arranged at the position close to the bottom plate and the middle position of the horizontal line of the baffle plate, the screw hole is matched with a pressing plate screw rod, the pressing plate screw rod penetrates through a through hole of the pressing plate to be connected with the. The blade has the advantages of good compatibility, suitability for blades of different shapes, simple structure and convenient operation.
In the optical scanning process, sometimes the fixture needs to rotate a certain angle around the central line of the fixture so as to finely adjust the blade to the optimal detection orientation and ensure that the blade profile can be comprehensively scanned. Although the clamp can be driven by the numerical control machine tool to rotate, in the optical scanning process, the structure for driving the numerical control rotary table to rotate on the numerical control machine tool and the clamp cannot be moved to the optical scanning equipment, so that a special blade clamp for the optical scanning equipment is required to be designed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a blade optical detection positioning fixture.
The utility model discloses a following technical scheme can realize:
the utility model provides a blade optical detection positioning fixture, includes base and supporting shoe, the supporting shoe can be dismantled with the base and be connected, and the supporting shoe can rotate by the relative base, one side of supporting shoe is equipped with centre gripping subassembly A, be equipped with centre gripping subassembly B on the supporting shoe at the offside of centre gripping subassembly A.
A threaded hole A is formed in the center of the base.
The bottom of the supporting block is provided with a screw rod in the center, and the supporting block is in threaded connection with the base through the screw rod.
And the top of the supporting block is provided with a positioning block at the same side of the clamping component A and the clamping component B, and the positioning block is positioned between the clamping component A and the clamping component B.
The clamping component A comprises a supporting plate and a fastening screw, and the supporting plate is connected with the supporting block through the fastening screw.
And a positioning notch A is formed in the top of one side, close to the clamping component B, of the supporting plate.
And a sliding groove A is processed on the supporting block at a position corresponding to the supporting plate, the sliding groove A is in clearance fit with the supporting plate, and a threaded hole B is formed in the supporting block at a position corresponding to the fastening screw.
The clamping component B comprises a movable pressing plate and an adjusting screw, and the movable pressing plate is connected with the supporting block through the adjusting screw.
And a positioning notch B is formed in the top of one side, close to the clamping component A, of the movable pressing plate.
And a sliding groove B is arranged on the supporting block at a position corresponding to the movable pressing plate, the sliding groove B is in clearance fit with the movable pressing plate, and a threaded hole C is arranged on the supporting block at a position corresponding to the adjusting screw.
The beneficial effects of the utility model reside in that: the underrun of blade tenon supports and fixes a position through location notch A, location notch B, and one of them side of blade tenon is fixed a position through the locating piece, and another one side is fixed a position through location notch A, and the third side is fixed a position through location notch B, through backup pad and removal pressure strip clamp holding fixed blade, the clamping with dismantle convenient, quick. The supporting block can be rotated relative to the base as required, so that the blade is finely adjusted to the optimal detection position, and the blade profile can be comprehensively scanned. Has the advantages of simple structure, convenient operation, low manufacturing cost and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic sectional structure view along a-a in fig. 2.
In the figure: 1-base, 2-supporting block, 3-fastening screw, 4-supporting plate, 5-positioning block, 6-movable pressing plate and 7-adjusting screw.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 3, a blade optical detection positioning fixture, including base 1 and supporting shoe 2, supporting shoe 2 can be dismantled with base 1 and be connected, and supporting shoe 2 can rotate base 1 relatively, centre gripping subassembly a is installed to one side of supporting shoe 2, install centre gripping subassembly B at centre gripping subassembly a's offside on supporting shoe 2. When using, through the fixed aeroengine rotor blade of centre gripping subassembly A and centre gripping subassembly B centre gripping, supporting shoe 2 can rotate base 1 relatively, can rotate supporting shoe 2 as required to finely tune the blade to best detection position, can be scanned by optical scanning equipment comprehensively with the leaf blade profile of guaranteeing the blade.
A threaded hole A is machined in the center of the base 1.
The bottom of the supporting block 2 is fixedly provided with a screw rod at the central position, and the supporting block 2 is in threaded connection with the base 1 through the screw rod. When in use, the screw rod is connected with the threaded hole A.
And the top of the supporting block 2 is provided with a positioning block 5 at the same side of the clamping component A and the clamping component B, and the positioning block 5 is positioned between the clamping component A and the clamping component B. One side of the blade tenon is positioned by the positioning block 5.
The clamping component A comprises a supporting plate 4 and a fastening screw 3, and the supporting plate 4 is connected with the supporting block 2 through the fastening screw 3. In use, the locking screw 3 is engaged with the threaded bore B.
And a positioning notch A is machined at the top of one side, close to the clamping component B, of the supporting plate 4. The bottom of the blade tenon is clamped, positioned and supported by the positioning notch A.
And a sliding groove A is processed on the supporting block 2 at a position corresponding to the supporting plate 4, the sliding groove A is in clearance fit with the supporting plate 4, and a threaded hole B is processed on the supporting block 2 at a position corresponding to the fastening screw 3. The support plate 4 is prevented from rotating about the fastening screw 3 by the slide groove a.
The clamping component B comprises a movable pressing plate 6 and an adjusting screw 7, wherein the movable pressing plate 6 is connected with the supporting block 2 through the adjusting screw 7. In use, the adjustment screw 7 is connected with the threaded hole C.
And a positioning notch B is machined in the top of one side, close to the clamping component A, of the movable pressing plate 6. The bottom of the blade tenon is clamped, positioned and supported by the positioning notch B.
And a sliding groove B is processed on the supporting block 2 at a position corresponding to the movable pressing plate 6, the sliding groove B is in clearance fit with the movable pressing plate 6, and a threaded hole C is processed on the supporting block 2 at a position corresponding to the adjusting screw 7. The moving compression plate 6 is prevented from rotating about the adjusting screw 7 by the sliding groove B.
Specifically, the positioning fixture is made of ABS plastic 3D printing with low density, and the weight is light.
Blade optical detection positioning fixture, its theory of operation or use as follows:
install positioning fixture on optical scanning equipment's workstation, tighten fastening screw 3, make backup pad 4 fix on supporting shoe 2, place the blade tenon in backup pad 4, the inboard in locating piece 5 and the space that removes pressure strip 6 and form, the underrun of blade tenon is through positioning notch A, positioning notch B supports and fixes a position, one of them side of blade tenon is fixed a position through locating piece 5, another side is fixed a position through positioning notch A, the third side is fixed a position through positioning notch B, tighten adjusting screw 7, the fixed blade tenon of centre gripping. In the optical scanning process, the supporting block 2 can be rotated relative to the base 1, so that the blade is finely adjusted to the optimal detection orientation, and the blade profile can be completely scanned. Because the scanning light sources are arranged on the left side, the right side and the right side of the workbench on the optical scanning equipment, the rotation angle of the blade can be adjusted to the optimal detection direction by fine adjustment.
To sum up, the underrun of blade tenon supports and fixes a position through location notch A, location notch B, and one of them side of blade tenon is fixed a position through locating piece 5, and another one side is fixed a position through location notch A, and the third side is fixed a position through location notch B, through backup pad 4 and the fixed blade of 6 centre gripping of removal pressure strip, the clamping with dismantle convenient, quick. The supporting block 2 can be rotated relative to the base 1 as required, so that the blade is finely adjusted to the optimal detection position, and the blade profile can be comprehensively scanned. Has the advantages of simple structure, convenient operation, low manufacturing cost and the like.
Claims (10)
1. The utility model provides a blade optical detection positioning fixture which characterized in that: including base (1) and supporting shoe (2), supporting shoe (2) can be dismantled with base (1) and be connected, and supporting shoe (2) can rotate base (1) relatively, one side of supporting shoe (2) is equipped with centre gripping subassembly A, be equipped with centre gripping subassembly B in centre gripping subassembly A's offside on supporting shoe (2).
2. The optical blade inspection positioning fixture of claim 1, wherein: the base (1) is provided with a threaded hole A at the center.
3. The optical blade inspection positioning fixture of claim 1, wherein: the bottom of the supporting block (2) is provided with a screw rod in the center, and the supporting block (2) is in threaded connection with the base (1) through the screw rod.
4. The optical blade inspection positioning fixture of claim 1, wherein: and the top of the supporting block (2) is provided with a positioning block (5) at the same side of the clamping component A and the clamping component B, and the positioning block (5) is positioned between the clamping component A and the clamping component B.
5. The optical blade inspection positioning fixture of claim 1, wherein: the clamping assembly A comprises a supporting plate (4) and a fastening screw (3), and the supporting plate (4) is connected with the supporting block (2) through the fastening screw (3).
6. The optical blade inspection positioning fixture of claim 5, wherein: and a positioning notch A is formed in the top of one side, close to the clamping component B, of the supporting plate (4).
7. The optical blade inspection positioning fixture of claim 5, wherein: a chute A is processed on the supporting block (2) at a position corresponding to the supporting plate (4), and the chute A is in clearance fit with the supporting plate (4); and a threaded hole B is formed in the position, corresponding to the fastening screw (3), on the supporting block (2).
8. The optical blade inspection positioning fixture of claim 1, wherein: the clamping assembly B comprises a movable pressing plate (6) and an adjusting screw (7), and the movable pressing plate (6) is connected with the supporting block (2) through the adjusting screw (7).
9. The optical blade inspection positioning fixture of claim 8, wherein: and a positioning notch B is formed in the top of one side, close to the clamping component A, of the movable pressing plate (6).
10. The optical blade inspection positioning fixture of claim 8, wherein: a sliding groove B is formed in the supporting block (2) at a position corresponding to the movable pressing plate (6), and the sliding groove B is in clearance fit with the movable pressing plate (6); and a threaded hole C is formed in the position, corresponding to the adjusting screw (7), on the supporting block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022449846.7U CN213470935U (en) | 2020-10-29 | 2020-10-29 | Blade optical detection positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022449846.7U CN213470935U (en) | 2020-10-29 | 2020-10-29 | Blade optical detection positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213470935U true CN213470935U (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022449846.7U Active CN213470935U (en) | 2020-10-29 | 2020-10-29 | Blade optical detection positioning fixture |
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| CN (1) | CN213470935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427421A (en) * | 2021-07-08 | 2021-09-24 | 中国航发湖南动力机械研究所 | Turbine guide vane frock clamp |
-
2020
- 2020-10-29 CN CN202022449846.7U patent/CN213470935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427421A (en) * | 2021-07-08 | 2021-09-24 | 中国航发湖南动力机械研究所 | Turbine guide vane frock clamp |
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