CN110793467A - Optical lens piece curvature radius precision detection device - Google Patents
Optical lens piece curvature radius precision detection device Download PDFInfo
- Publication number
- CN110793467A CN110793467A CN201810870756.XA CN201810870756A CN110793467A CN 110793467 A CN110793467 A CN 110793467A CN 201810870756 A CN201810870756 A CN 201810870756A CN 110793467 A CN110793467 A CN 110793467A
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- China
- Prior art keywords
- sleeve
- adjusting
- fixed
- plate
- bottom plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/255—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring radius of curvature
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Eyeglasses (AREA)
Abstract
The invention provides a device for detecting the precision of the curvature radius of an optical lens, which is characterized in that: be provided with the slide on the bottom plate, be provided with the slider on the slide, be provided with the sleeve pipe on the slider, the intraductal bracing piece that is provided with of sleeve, fix through fixed hand wheel between sleeve pipe and the bracing piece, the bracing piece top is provided with the lamp body, the lamp body left part is provided with the porcelain lamp stand, porcelain lamp stand right part is provided with the LED lamp, the lamp body right part is provided with splint, be provided with the grating piece in the middle of the splint, splint upper portion is provided with bright glass, the splint lower part is provided with ground glass, the fixed plate right side is provided with vertical scale, the fixed plate middle part is provided with the adjusting lever, platform upper portion, the lower part is provided with the adjusting sleeve respectively, the adjusting sleeve is fixed on the adjusting lever through the adjusting hand wheel, platform middle part symmetry is provided with.
Description
Technical Field
The invention relates to the technical field of optical lens processing, in particular to a device for detecting the curvature radius precision of an optical lens.
Background
The detection method of the curvature radius of the concave surface of the spherical optical lens after polishing mainly adopts a comparison method to detect, the optical lens to be detected is placed on the lower layer, then a standard sample plate is placed on the optical lens, whether the optical lens after polishing reaches the standard or not is judged by observing the number of formed light bands, the width of the light bands, the distance of the light bands and the shape of the light bands, if the standard is not reached, the optical lens needs to be adjusted, the whole process is mainly judged by depending on the experience accumulated by operators for a long time, the operation difficulty is high, and generally, the judgment can be accurately made by operators more than five years.
Disclosure of Invention
The invention aims to provide an optical lens curvature radius precision detection device, which detects the curvature radius precision of a spherical concave surface by using Moire fringes formed by a Langchi fringe method, and has high detection efficiency and low operation difficulty.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an optical lens piece curvature radius precision detection device, includes the bottom plate, the fixed plate, the LED lamp, its characterized in that: the bottom plate is the plane board that the level set up, the bottom plate right side is provided with the fixed plate, the bottom plate top is provided with horizontal scale, be provided with the slide on the bottom plate, be provided with the slider on the slide, be provided with the sleeve pipe on the slider, the intraductal bracing piece that is provided with of sleeve, fix through fixed hand wheel between sleeve pipe and the bracing piece, the bracing piece top is provided with the pivot, pivot upper portion is provided with the lamp body, the lamp body left part is provided with the porcelain lamp stand, porcelain lamp stand right part is provided with the LED lamp, the lamp body right part is provided with splint, be provided with the grating piece in the middle of the splint, splint upper portion is provided with bright glass, the splint lower part is provided with ground glass, the fixed plate right side is provided with vertical scale, the fixed plate.
The invention has the beneficial effects that Moire fringes formed by a Langchi fringe method are used for well detecting the curvature radius precision of the concave surface of the spherical surface, the cold light source of an LED lamp is adopted to effectively improve the service time of a bulb, the spherical mirror is subjected to precision detection by adjusting the distance between a grating sheet and the spherical center of the polished spherical mirror to form Moire fringes, the polishing quality of the optical lens is judged by the number, the shape and the distance of the fringes, the operation is simple, quick and effective, the detection is carried out by a non-contact method, the damage to the lens is effectively prevented, and the elevation angle of incident light can be adjusted according to the incident angle of the lens through the design of a rotating shaft.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a fixing plate according to the present invention.
Detailed Description
The invention is further illustrated with reference to fig. 1.
The utility model provides an optical lens piece curvature radius precision detection device, includes bottom plate 10, fixed plate 17, LED lamp 2, its characterized in that: the bottom plate 10 is a plane plate horizontally arranged, the right side of the bottom plate 10 is provided with a fixed plate 17, the top of the bottom plate 10 is provided with a horizontal graduated scale 11, the bottom plate 10 is provided with a slideway 9, the slideway 9 is provided with a slide block 8, the slide block 8 is provided with a sleeve 12, the sleeve 12 is internally provided with a support rod 14, the sleeve 12 is fixed with the support rod 14 through a fixed hand wheel 13, the top of the support rod 14 is provided with a rotating shaft 22, the upper part of the rotating shaft 22 is provided with a lamp housing 1, the left part of the lamp housing 1 is provided with a porcelain lamp holder 6, the right part of the porcelain lamp holder 6 is provided with an LED lamp 2, the right part of the lamp housing 1 is provided with a clamping plate 5, the middle part of the clamping plate 5 is provided with a grating sheet 4, the upper part of the clamping plate 5 is, the adjusting sleeve 20 is fixed on the adjusting rod 18 through an adjusting hand wheel 16, two inclined plates 19 are symmetrically arranged in the middle of the platform 15, a parallel light is formed by an LED light source and ground glass, Moire fringes formed by a Langchi fringe method can well detect the curvature radius precision of a spherical concave surface, the service time of the bulb can be effectively prolonged by adopting the cold light source of the LED lamp, the spherical mirror can be precisely detected by adjusting the distance between a grating sheet and the spherical center of the polished spherical mirror to form Moire fringes, the polishing quality of the optical lens can be judged by the number, the shape and the distance of the fringes, the operation is simple, quick and effective, the detection is realized by adopting a non-contact method, the damage to the lens can be effectively prevented, and the elevation angle of incident light can be adjusted according to the incident angle of the lens through the design of a rotating shaft.
Claims (1)
1. The utility model provides an optical lens piece curvature radius precision detection device, includes bottom plate (10), fixed plate (17), LED lamp (2), its characterized in that: the bottom plate (10) is a plane plate horizontally arranged, a fixed plate (17) is arranged on the right side of the bottom plate (10), a horizontal graduated scale (11) is arranged on the top of the bottom plate (10), a slide way (9) is arranged on the bottom plate (10), a slide block (8) is arranged on the slide way (9), a sleeve (12) is arranged on the slide block (8), a support rod (14) is arranged inside the sleeve (12), the sleeve (12) and the support rod (14) are fixed through a fixed hand wheel (13), a rotating shaft (22) is arranged on the top of the support rod (14), a lamp housing (1) is arranged on the upper portion of the rotating shaft (22), a porcelain lamp holder (6) is arranged on the left portion of the lamp housing (1), an LED lamp (2) is arranged on the right portion of the porcelain lamp holder (6), a clamping plate (5) is arranged on the right portion of, the lower part of the clamping plate (5) is provided with ground glass (7), the right side of the fixing plate (17) is provided with a vertical graduated scale (21), the middle part of the fixing plate (17) is provided with an adjusting rod (18), the upper part and the lower part of the platform (15) are respectively provided with an adjusting sleeve (20), the adjusting sleeve (20) is fixed on the adjusting rod (18) through an adjusting hand wheel (16), and the middle part of the platform (15) is symmetrically provided with two inclined plates (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870756.XA CN110793467A (en) | 2018-08-02 | 2018-08-02 | Optical lens piece curvature radius precision detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870756.XA CN110793467A (en) | 2018-08-02 | 2018-08-02 | Optical lens piece curvature radius precision detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110793467A true CN110793467A (en) | 2020-02-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810870756.XA Pending CN110793467A (en) | 2018-08-02 | 2018-08-02 | Optical lens piece curvature radius precision detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110793467A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3740150A (en) * | 1971-01-06 | 1973-06-19 | Tropel | Surface measurement by interferometer |
| CN2441116Y (en) * | 2000-08-24 | 2001-08-01 | 中国科学院长春光学精密机械与物理研究所 | Device for measuring moderate and long radius of curves with high accuracy |
| US6639685B1 (en) * | 2000-02-25 | 2003-10-28 | General Motors Corporation | Image processing method using phase-shifted fringe patterns and curve fitting |
| CN101709955A (en) * | 2009-11-24 | 2010-05-19 | 中国科学院长春光学精密机械与物理研究所 | Device for detecting surface shape of optical aspheric surface by sub-aperture stitching interferometer |
| CN101995230A (en) * | 2010-10-29 | 2011-03-30 | 浙江大学 | Talbot effect-based aspheric surface detection system |
| CN107121095A (en) * | 2017-06-08 | 2017-09-01 | 杭州电子科技大学 | A kind of method and device of accurate measurement super-large curvature radius |
-
2018
- 2018-08-02 CN CN201810870756.XA patent/CN110793467A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3740150A (en) * | 1971-01-06 | 1973-06-19 | Tropel | Surface measurement by interferometer |
| US6639685B1 (en) * | 2000-02-25 | 2003-10-28 | General Motors Corporation | Image processing method using phase-shifted fringe patterns and curve fitting |
| CN2441116Y (en) * | 2000-08-24 | 2001-08-01 | 中国科学院长春光学精密机械与物理研究所 | Device for measuring moderate and long radius of curves with high accuracy |
| CN101709955A (en) * | 2009-11-24 | 2010-05-19 | 中国科学院长春光学精密机械与物理研究所 | Device for detecting surface shape of optical aspheric surface by sub-aperture stitching interferometer |
| CN101995230A (en) * | 2010-10-29 | 2011-03-30 | 浙江大学 | Talbot effect-based aspheric surface detection system |
| CN107121095A (en) * | 2017-06-08 | 2017-09-01 | 杭州电子科技大学 | A kind of method and device of accurate measurement super-large curvature radius |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20200214 |