CN2660522Y - Manually operated high precision internal hole optical detector - Google Patents
Manually operated high precision internal hole optical detector Download PDFInfo
- Publication number
- CN2660522Y CN2660522Y CN 200320108282 CN200320108282U CN2660522Y CN 2660522 Y CN2660522 Y CN 2660522Y CN 200320108282 CN200320108282 CN 200320108282 CN 200320108282 U CN200320108282 U CN 200320108282U CN 2660522 Y CN2660522 Y CN 2660522Y
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- high precision
- display
- optical detector
- pore
- microcobjective
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Abstract
The utility model discloses a manual bore optical inspection with high precision including a light source and a CCD camera. The instrument is characterized in that the utility model also includes a work fixture, a microscope objective, an adaptation microscope and a display. The work fixture is equipped with a V-shaped nip. The microscope objective is aligned with the V-shaped nip. The adaptation microscope is arranged between the CCD camera and the microscope objective. The display is connected with the CCD camera. The screen surface of the display is arranged with several parallel scale marks. The advantage lies in that a work piece, which is amplified by flat-field achromatic microscope objective lens with long work distance, is arranged on the work fixture with a V-shaped nip. The image is input into the CCD camera through an undistorted adaptation microscope to be imaged on the display. Through the scale marks on a transparent film which is pasted on the surface of the display screen, the surface conditions of minimal inner holes and the work piece coaxiality can be tested clearly and precisely. The utility model has the advantages of simple structure, convenient operation, high testing precision, good repeatability and stability.
Description
Technical field
The utility model relates to a kind of detector, especially relates to a kind of manual high precision inner-pore optical detector.
Background technology
During existing various part processing, running into some small endoporus of processing through regular meeting, and the inside surface situation of these small endoporus is carried out high-precision test, then is the effective means that guarantees crudy.In the conventional art, people adopt telescopic system that inner hole wall is carried out Direct observation, and inner hole wall is illuminated with light source, utilize optical system to collect, converge the reflected light of inner hole wall, use the human eye Direct observation then, because the restriction of optical system, each range of observation is restricted, and also exists people's eyes tire easily simultaneously, inefficiency, accuracy of detection is poor, and testing result varies with each individual, repeated non-constant.The method of the little internal surface of hole of this detection can't satisfy the needs of realizing high Precision Detection in some current high-tech application fields, as for a kind of ceramic insert of using in the optical communication technology, the size of its part itself is less, and small axially extending bore requires very high surface smoothness and concentricity, and this be the traditional detection means can't finish.Along with the development of contemporary optics imaging technique, people use it for the high Precision Detection of part endoporus, have obtained very desirable effect.As disclosing thorax quality detection device in a kind of deep hole in the 00264620.X number Chinese utility model patent instructions that October 24 calendar year 2001, bulletin was authorized, be provided with light source, catoptron and CCD camera, during detection, make light source energising illumination, make the quality of thorax in the deep hole arrive the CCD camera through mirror reflects, then taking the photograph situation is delivered to computing machine, for its processing.This pick-up unit is simple and compact for structure, and installation and maintenance are convenient, operates intuitively easyly, and measuring accuracy, repeatability and stability are all better.But, this pick-up unit will utilize by the reflected light signal of thorax in the part of optical illumination and detect, the detection signal of its input relatively a little less than, therefore require to have stronger light illumination brightness, simultaneously this pick-up unit yet exists inconvenient operation to detecting aforesaid ceramic insert etc. similarly during the endoporus of findings, and examined part can't be fixed and influence stability, need to dispose computing machine simultaneously, cause the more high defective of installation cost.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of simple in structure at above-mentioned prior art present situation, and cost is lower, accuracy of detection height, the manual high precision inner-pore optical detector of repeatability and good stability.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of manual high precision inner-pore optical detector, comprise light source and CCD camera, it also comprises a workholder, a microcobjective, an adaptive mirror and a display, described workholder is provided with V-arrangement folder mouth, described microcobjective is aimed at described V-arrangement folder mouth, described adaptive mirror is arranged between described CCD camera and the described microcobjective, described display is connected with described CCD camera, is provided with the scale mark that several are parallel to each other in the screen surface of described display.
Described light source comprises optical generator, optical fiber and fiber fixed seat, the light that described optical generator sends is transferred to described optical fiber behind collimation, described optical fiber is fixed on the described fiber fixed seat, the exit end of described optical fiber is in the face of accurate described V-arrangement folder mouth, and described fiber fixed seat is connected with described workholder by adjuster bar.
Described optical generator can be the Halogen lamp LED with polychromatic light radio-frequency component.
Described optical fiber is multiple beams of optical fiber.
Described microcobjective is the flat field achromatism micro objective of long reach.
Described adaptive mirror is undistorted adaptive mirror.
Described microcobjective is arranged on the microscope tube, and described microscope tube is arranged on the D translation platform.
It also comprises a marking chi, and the front end of described microcobjective is provided with marking chi holder.
The precision of described marking chi is 0.01mm.
Described scale mark is arranged on the transparent membrane, and described transparent membrane is the screen surface that sticks on described display.
Compared with prior art, advantage of the present utility model is workpiece setting on the workholder with V-arrangement folder mouth, the flat field achromatism micro objective that utilization has long reach amplifies, and image is imported the CCD camera by undistorted adaptive mirror, be imaged on the display, by the scale mark on the transparent membrane that sticks on the indicator screen surface, can very clearly carry out high Precision Detection to the surface condition of the small endoporus of workpiece; 0.01mm the marking chi of precision can be used for the graduation of initial stage scale mark, determines the ratio that workpiece image amplifies, and also can be used for simultaneously in the use enlargement factor of microcobjective and adaptive mirror being revised; The calibrated scale mark of marking chi further is subdivided into some five equilibriums, can on micron-sized precision, the right alignment to workpiece carries out high-precision test; Constitute the cold light fibre source by Halogen lamp LED with polychromatic light radio-frequency component and multiple beams of optical fiber, on the basis of energy savings, guarantee to have the brightness of stronger detection light source; Microscope tube is arranged on the D translation platform, can regulate the focal length of microcobjective, and can adjust the display position in the display of image of measured workpiece.In a word, this detector is simple in structure, and is easy to operate, the accuracy of detection height, and repeatability and stability are all very good.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial view of the V-arrangement folder mouth of the utility model workholder.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Embodiment one: as shown in the figure, a kind of manual high precision inner-pore optical detector, comprise light source 1 and CCD camera 2, workholder 3, microcobjective 4, adaptive mirror 5 and display 6, workholder 3 is provided with V-arrangement folder mouth 31, and microcobjective 4 is aimed at V-arrangements folder mouth 31, and adaptive mirror 5 is arranged between CCD camera 2 and the microcobjective 4, display 6 is connected with CCD camera 2, is provided with several scale marks that is parallel to each other 7 in the screen surface of display 6.Light source 1 is made up of optical generator 11, optical fiber 12 and fiber fixed seat 13, optical generator 11 is the Halogen lamp LEDs with polychromatic light radio-frequency component, the light that sends is transferred to optical fiber 12 behind collimation, optical fiber 12 is the multiple beams of optical fiber that are fixed on the fiber fixed seat 13, the exit end of optical fiber 12 is in the face of accurate V-arrangement folder mouth 31, and fiber fixed seat 13 is connected with workholder 3 by adjuster bar 14.Microcobjective 4 is flat field achromatism micro objectives of long reach, it is arranged on the microscope tube 41, microscope tube 41 is fixed on the D translation platform 8, D translation platform 8 has X-axis micrometer head 81, Y-axis micrometer head 82 and Z axle micrometer head 83, X-axis micrometer head 81 is used to regulate the focal length of microcobjective 4, Y-axis micrometer head 82 and 83 of Z axle micrometer heads are used to regulate the display position of image on the screen of display 6 of measured workpiece, adaptive mirror 5 is undistorted adaptive mirror, scale mark 7 is arranged on the transparent membrane, transparent membrane is sticked on the screen surface of display 6, just become the scale mark of the screen surface of display 6.
Embodiment two: as shown in the figure, a kind of manual high precision inner-pore optical detector, comprise light source 1 and CCD camera 2, workholder 3, microcobjective 4, adaptive mirror 5 and display 6, workholder 3 is provided with V-arrangement folder mouth 31, and microcobjective 4 is aimed at V-arrangements folder mouth 31, and adaptive mirror 5 is arranged between CCD camera 2 and the microcobjective 4, display 6 is connected with CCD camera 2, is provided with several scale marks that is parallel to each other 7 in the screen surface of display 6.Light source 1 is made up of optical generator 11, optical fiber 12 and fiber fixed seat 13, optical generator 11 is the Halogen lamp LEDs with polychromatic light radio-frequency component, the light that sends is transferred to optical fiber 12 behind collimation, optical fiber 12 is the multiple beams of optical fiber that are fixed on the fiber fixed seat 13, the exit end of optical fiber 12 is in the face of accurate V-arrangement folder mouth 31, and fiber fixed seat 13 is connected with workholder 3 by adjuster bar 14.Microcobjective 4 is flat field achromatism micro objectives of long reach, it is arranged on the microscope tube 41, microscope tube 41 is fixed on the D translation platform 8, D translation platform 8 has X-axis micrometer head 81, Y-axis micrometer head 82 and Z axle micrometer head 83, X-axis micrometer head 81 is used to regulate the focal length of microcobjective 4, Y-axis micrometer head 82 and 83 of Z axle micrometer heads are used to regulate the display position of image on the screen of display 6 of measured workpiece, adaptive mirror 5 is undistorted adaptive mirror, scale mark 7 is arranged on the transparent membrane, transparent membrane is sticked on the screen surface of display 6, just become the scale mark of the screen surface of display 6.It also comprises a marking chi 9, and the front end of microcobjective 4 is provided with marking chi holder 42, and precision is that 0.01mm marking chi 9 is arranged on marking chi holder 42.
Detection principle of the present utility model is such: the natural light that optical generator produces, after collimating by Optical Fiber Transmission, shine the end of detected workpiece, detected workpiece places on the V-arrangement folder mouth of workholder, presses workpiece with light finger, drive Workpiece Rotating, light is by the small endoporus of detected workpiece, and the microscope of the certain enlargement factor of aperture amplifies in the workpiece, and the adaptive mirror through certain scaling is scaled to suitable ratio again, by CCD camera picked-up aperture image, produce video image.Show the endoporus image border by display, concentricity is the jerk value of endoporus image border on the scale mark.Be noted that at this: between microcobjective and detected workholder, utilize the marking chi of 0.01mm precision, divide standardized group of parallel scale mark on the screen of display, the ratio of scale mark is the ratio that image amplifies.
Seeing through the weak and irradiating angle of detected workpiece endoporus light intensity, is to regulate by regulating fiber fixed seat and adjuster bar.The D translation platform is used for fixing microscope tube, the D translation platform is made up of X-axis micrometer head, Y-axis micrometer head and Z axle micrometer head, the X-axis micrometer head is used to regulate the focal length of microcobjective, Y-axis micrometer head and Z axle micrometer head are used to regulate the display position of image on indicator screen, by the back focal length of fine setting CCD camera, can also finely tune the sharpness and the size of image.
Claims (10)
1, a kind of manual high precision inner-pore optical detector, comprise light source and CCD camera, it is characterized in that it also comprises a workholder, a microcobjective, an adaptive mirror and a display, described workholder is provided with V-arrangement folder mouth, described microcobjective is aimed at described V-arrangement folder mouth, described adaptive mirror is arranged between described CCD camera and the described microcobjective, described display is connected with described CCD camera, is provided with the scale mark that several are parallel to each other in the screen surface of described display.
2, manual high precision inner-pore optical detector as claimed in claim 1, it is characterized in that described light source comprises optical generator, optical fiber and fiber fixed seat, the light that described optical generator sends is transferred to described optical fiber behind collimation, described optical fiber is fixed on the described fiber fixed seat, the exit end of described optical fiber is in the face of accurate described V-arrangement folder mouth, and described fiber fixed seat is connected with described workholder by adjuster bar.
3, manual high precision inner-pore optical detector as claimed in claim 2 is characterized in that described optical generator is the Halogen lamp LED with polychromatic light radio-frequency component.
4, manual high precision inner-pore optical detector as claimed in claim 2 is characterized in that described optical fiber is multiple beams of optical fiber.
5, manual high precision inner-pore optical detector as claimed in claim 1 is characterized in that described microcobjective is the flat field achromatism micro objective of long reach.
6, manual high precision inner-pore optical detector as claimed in claim 1 is characterized in that described adaptive mirror is undistorted adaptive mirror.
7, manual high precision inner-pore optical detector as claimed in claim 1 is characterized in that described microcobjective is arranged on the microscope tube, and described microscope tube is arranged on the D translation platform.
8, manual high precision inner-pore optical detector as claimed in claim 1 is characterized in that it also comprises a marking chi, and the front end of described microcobjective is provided with marking chi holder.
9, manual high precision inner-pore optical detector as claimed in claim 8, the precision that it is characterized in that described marking chi is 0.01mm.
10, manual high precision inner-pore optical detector as claimed in claim 1 is characterized in that described scale mark is arranged on the transparent membrane, and described transparent membrane is the screen surface that sticks on described display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320108282 CN2660522Y (en) | 2003-11-21 | 2003-11-21 | Manually operated high precision internal hole optical detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320108282 CN2660522Y (en) | 2003-11-21 | 2003-11-21 | Manually operated high precision internal hole optical detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2660522Y true CN2660522Y (en) | 2004-12-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320108282 Expired - Lifetime CN2660522Y (en) | 2003-11-21 | 2003-11-21 | Manually operated high precision internal hole optical detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2660522Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342207C (en) * | 2004-12-17 | 2007-10-10 | 北京航空航天大学 | Detector for three-dimensional appearance of micro-member through-hole inner surface and its marking and using method |
| CN102288616A (en) * | 2011-09-06 | 2011-12-21 | 成都银河磁体股份有限公司 | Device and method for detecting workpiece appearance defects |
| CN104567750A (en) * | 2014-12-24 | 2015-04-29 | 宁波鱼化龙机电科技有限公司 | High-precision ceramic ferrule coaxiality detector |
| CN106152957A (en) * | 2016-06-22 | 2016-11-23 | 陕西宝成航空仪表有限责任公司 | V-arrangement jewel bearing gap detection device |
| CN107132030A (en) * | 2017-07-17 | 2017-09-05 | 大连鉴影光学科技有限公司 | A kind of mirrors focal distance detecting method and device |
| CN110488419A (en) * | 2019-09-26 | 2019-11-22 | 南京迪威普光电技术股份有限公司 | A kind of optical fiber welding terminal of two-dimensional imaging |
| CN112557397A (en) * | 2021-01-06 | 2021-03-26 | 深圳市京田精密科技有限公司 | Optical detection method and device for milling surface machining quality control |
| CN113030096A (en) * | 2021-02-25 | 2021-06-25 | 无锡金元启信息技术科技有限公司 | Industrial product micro hole wall defect imaging device and identification algorithm |
-
2003
- 2003-11-21 CN CN 200320108282 patent/CN2660522Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342207C (en) * | 2004-12-17 | 2007-10-10 | 北京航空航天大学 | Detector for three-dimensional appearance of micro-member through-hole inner surface and its marking and using method |
| CN102288616A (en) * | 2011-09-06 | 2011-12-21 | 成都银河磁体股份有限公司 | Device and method for detecting workpiece appearance defects |
| CN102288616B (en) * | 2011-09-06 | 2014-04-23 | 成都银河磁体股份有限公司 | Device and method for detecting workpiece appearance defects |
| CN104567750A (en) * | 2014-12-24 | 2015-04-29 | 宁波鱼化龙机电科技有限公司 | High-precision ceramic ferrule coaxiality detector |
| CN106152957A (en) * | 2016-06-22 | 2016-11-23 | 陕西宝成航空仪表有限责任公司 | V-arrangement jewel bearing gap detection device |
| CN106152957B (en) * | 2016-06-22 | 2018-11-02 | 陕西宝成航空仪表有限责任公司 | V-arrangement jewel bearing gap detection device |
| CN107132030A (en) * | 2017-07-17 | 2017-09-05 | 大连鉴影光学科技有限公司 | A kind of mirrors focal distance detecting method and device |
| CN107132030B (en) * | 2017-07-17 | 2023-04-14 | 大连鉴影光学科技有限公司 | Lens focal length detection method and device |
| CN110488419A (en) * | 2019-09-26 | 2019-11-22 | 南京迪威普光电技术股份有限公司 | A kind of optical fiber welding terminal of two-dimensional imaging |
| CN112557397A (en) * | 2021-01-06 | 2021-03-26 | 深圳市京田精密科技有限公司 | Optical detection method and device for milling surface machining quality control |
| CN113030096A (en) * | 2021-02-25 | 2021-06-25 | 无锡金元启信息技术科技有限公司 | Industrial product micro hole wall defect imaging device and identification algorithm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131121 Granted publication date: 20041201 |