CN203811150U - Rapid detection device for thin cylindrical workpiece surface roughness - Google Patents
Rapid detection device for thin cylindrical workpiece surface roughness Download PDFInfo
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- CN203811150U CN203811150U CN201420217251.0U CN201420217251U CN203811150U CN 203811150 U CN203811150 U CN 203811150U CN 201420217251 U CN201420217251 U CN 201420217251U CN 203811150 U CN203811150 U CN 203811150U
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- cylindrical workpiece
- thin cylindrical
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- generating laser
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Abstract
The utility model provides a rapid detection device for thin cylindrical workpiece surface roughness, and relates to cylindrical workpiece surface detection. The device is provided with a laser emitter, a CCD camera, a thin cylindrical workpiece, a vertical detection panel, a compuer, a thin cylindrical workpiece support, a laser emitter support, a rotating disk, a rotating shaft, and a base. The laser emitter and the CCD camera are disposed in front of the vertical detection panel. The CCD camera is connected with the computer through a data line. The computer controls acquisition of the CCD camera. Data acquired by the camera is uploaded to the computer. The laser emitter is fixed on the laser emitter support. Laser emitted by the laser emitter radiates on the thin cylindrical workpiece and is reflected on the vertical detection panel. The thin cylindrical workpiece is fixed in a groove on the top of the thin cylindrical workpiece support. The thin cylindrical workpiece support is fixed on the edge of the rotating disk. The rotating disk is disposed on the rotating shaft and rotates with the rotating shaft. The rotating shaft and the laser emitter support are fixed on two sides of the base.
Description
Technical field
The utility model relates to cylindrical workpiece surface and detects, and especially relates to a kind of device for fast detecting of thin cylindrical workpiece surfaceness.
Background technology
Progress and development along with modern science and technology, people are more and more higher to the requirement of workpiece measure of precision, increasing tiny workpiece is applied to each technical field, simultaneously on the surface finish measurement of tiny workpiece have higher requirement ([1] is high sets up. brief talk the factor of Machinery Processing Surface Quality and the measure [J] of affecting. scientific and technical innovation and application, 2013 (13): 114-114; [2] Monday, diligent .3DSI three-dimensional was used for die industry [J] at machine testing software. modern manufacture, 2008 (8): 36-36; [3] Ye Lu, pungent magnificence, royal power is steep, etc. active adjustment rigid support film-type catoptron is manufactured [J]. aerospace processing, 2001,5 (1): 3; [4] Fei Yetai, Chen Xiaohuai, Li Shufu. the error correcting technology of precision measurement and instrument [J]. aerospace instrumentation technology, 1996,16 (4): 66-70).Surface finish measurement is a special important branch in delicate metering field, and it plays an important role in machinery, electronics and optical field.In constantly microminiaturized today, the surfaceness that fast detecting goes out thin cylinder is not only being related to the measure of precision of instrument, is also being related to enterprises production efficiency.At present, ([5] Wang Xiangjun such as more conventional surfaceness method has that comparative measurement method, mechanical bodkin method, electron microscope are sent out, optical method and some other comprehensive measuring method, Wang Feng. micro-accurate imaging and micromachine size detection technology [J]. optical precision engineering, 2001,9 (6): 511-513; [6] Liu Guijie, Gong Yadong, Wang Wanshan. the grinding surface roughness Research on On-line Detecting Method [J] transmitting based on grating. tribology journal, 2004,23 (3): 236-239; [7] Liu Bin, Feng Qibo, Kuang Cuifang. Survey of measurement methods for surface roughness [J]. optical instrument, 2005,26 (5): 54-58).Yet not above all methods all meet the surfaceness Quick Measurement of thin cylinder.Although for example mechanical bodkin method is more quick and convenient when measurement plane workpiece, for detecting curved surface, be severely limited, its probe is difficult to precisely along cylindrical radial, detect; Although microscope accuracy of detection is high, can not meet the fast detecting requirement of enterprise.
Summary of the invention
The purpose of this utility model is to provide the device for fast detecting of measuring a kind of thin cylindrical workpiece surfaceness quick, convenient, efficiency is high.
The utility model is provided with generating laser, CCD camera, thin cylindrical workpiece, vertical detection flat board, computing machine, thin cylindrical workpiece support, generating laser support, rotating disk, rotating shaft and base;
Described generating laser and CCD camera are located at the place ahead of vertical detection flat board, and CCD camera is connected by data line with computing machine, the collection of computer control CCD camera, and the data upload of camera collection is to computing machine; Described generating laser is fixed on generating laser support, and the Ear Mucosa Treated by He Ne Laser Irradiation of generating laser transmitting is on thin cylindrical workpiece and be reflected on vertical detection flat board; Thin cylindrical workpiece is fixed in the groove that thin cylindrical workpiece props up top of the trellis, and thin cylindrical workpiece support is fixed on the edge of rotating disk, and rotating disk is located in rotating shaft and with rotating shaft rotation, and rotating shaft and generating laser support are fixed on base both sides.
On described generating laser support, can be provided with the set screw for adjusting laser beam height, levelness and reflection spot position.
Adopt the utility model to carry out the method that thin cylindrical workpiece surfaceness detects, comprise the following steps:
1) connect generating laser power supply;
2) regulate CCD camera to focus on vertical detection flat board;
3) the thin cylindrical workpiece of the standard of known roughness is placed in the groove of thin cylindrical workpiece support, adjusting rotating disk angle makes Ear Mucosa Treated by He Ne Laser Irradiation that generating laser sends to the thin cylindrical workpiece of standard, formation is reflected on vertical detection flat board and presents ellipse or the circular ring of light, and the ring of light must not exceed the dull and stereotyped scope of vertical detection;
4) by CCD camera, taken pictures and picture is kept in computing machine;
5) select the thin cylindrical workpiece of standard of at least 3 known roughness, repeating step 3) and 4);
6) red (R), green (G) of each pixel of picture gathering, blue (B) tristimulus values are extracted and preserved, according to colorimetry knowledge, calculate each pixel intensity Y, computing formula is as follows:
Y＝0.299×R+0.587×G+0.114×B
Then add up highest luminance pixels points N;
7) the roughness σ due to thin cylindrical workpiece surface counts and is nonlinear relationship with the maximum pixel of the ring of light: σ=f (N), and the numerical value of N obtaining according to statistics and σ, calibrate f (N);
8) by thin cylindrical workpiece replacement step 3 to be measured) the thin cylindrical workpiece of standard, repeating step 3) and 4);
9) relation that the roughness on thin cylindrical workpiece surface that utilization has been calibrated and the maximum pixel of the ring of light are counted is calculated thin cylindrical workpiece surfaceness to be measured.
Whether level has a certain impact to testing result laser, and when the device for fast detecting of thin cylindrical workpiece surfaceness is placed, available horizontal instrument is measured base and whether seen level.Secondly, on generating laser support, has micrometer adjusting screw, for finely tuning height, levelness and the reflection spot position giving off laser beam.On thin cylindrical workpiece support, with groove, can be used for fixing thin cylindrical workpiece, for the thin cylindrical workpiece of magnetic, can be fixed in groove with magnet adsorption, for non magnetic thin cylindrical workpiece, can fix with adhesive tape.
In metrology and measurement field, laser, because energy height is concentrated and excellent directivity, monochromaticity, coherence, becomes the focus of every profession and trade research application.The classic method of laser measurement is reflection scattering ratio method, but at laser intensity fixedly in the situation that, the surfaceness of instrument and reflected light are also certain correlativity.Utilize this point, the step that the utility model can simplified measurement, proposes more convenient detection method.With the combination of modern computing device, from light channel structure, opto-electronic conversion and processing, optimize, make to utilize laser measurement exact instrument to have more superiority than traditional measurement.
The beneficial effects of the utility model are:
1) the utility model is measured thin periphery roughness indirectly by gathering laser reflection light, measures simple and convenient, and less to workpiece infringement;
2) utilize CCD camera can accomplish Quick Acquisition, by computer, process that to make to detect automaticity high, can be used for fast detecting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is for adopting the utility model to carry out the principle schematic that thin cylindrical workpiece surfaceness detects.
Embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated.
Referring to Fig. 1 and 2, the utility model embodiment is provided with generating laser 1, CCD camera 2, thin cylindrical workpiece 3, vertical detection flat board 4, computing machine 5, thin cylindrical workpiece support 6, generating laser support 7, rotating disk 8, rotating shaft 9 and base 10.
Generating laser 1 and CCD camera 2 are located at the place ahead of vertical detection flat board 4, and CCD camera 2 is connected by data line with computing machine 5, and computing machine 5 is controlled the collection of CCD camera 2, and the data upload that camera 2 gathers is to computing machine 5; Described generating laser 1 is fixed on generating laser support 7, and the Ear Mucosa Treated by He Ne Laser Irradiation of generating laser 1 transmitting is on thin cylindrical workpiece 3 and be reflected on vertical detection flat board 4; Thin cylindrical workpiece 3 is fixed in the groove 61 at thin cylindrical workpiece support 6 tops, and thin cylindrical workpiece support 6 is fixed on the edge of rotating disk 8, and rotating disk 8 is located in rotating shaft 9 and with rotating shaft 9 rotations, and rotating shaft 9 and generating laser support 7 are fixed on base 10 both sides.
On described generating laser support 7, can be provided with the set screw 71 for adjusting laser beam height, levelness and reflection spot position.
Adopt the utility model to carry out the method that thin cylindrical workpiece surfaceness detects, comprise the following steps:
1) connect generating laser power supply, vertical detection flat board is placed on to 30cm place, generating laser support the place ahead;
2) regulate CCD camera to focus on vertical detection flat board, make whole vertical detection flat board just be full of the whole picture of CCD camera;
3) the thin cylindrical workpiece of the standard of known roughness is placed in the groove of thin cylindrical workpiece support, it is 15 ° that adjustment rotating disk angle makes the thin cylindrical workpiece of standard and laser angle, the Ear Mucosa Treated by He Ne Laser Irradiation that generating laser sends is to the thin cylindrical workpiece of standard, formation is reflected on vertical detection flat board and presents ellipse or the circular ring of light (referring to the mark 41 in Fig. 2), and the ring of light must not exceed the dull and stereotyped scope of vertical detection;
4) by CCD camera, taken pictures and picture is kept in computing machine;
5) select the thin cylindrical workpiece of standard of at least 3 known roughness, repeating step 3) and 4);
6) red (R), green (G) of each pixel of picture gathering, blue (B) tristimulus values are extracted and preserved, according to colorimetry knowledge, calculate each pixel intensity Y, computing formula is following (referring to document: Liu Litian, Chang Jianping. a kind of Watermarking of Color [J] based on HVS. computer engineering, 2007,33 (24): 144-145):
Y＝0.299×R+0.587×G+0.114×B
Then add up highest luminance pixels points N;
7) the roughness σ due to thin cylindrical workpiece surface counts and is nonlinear relationship with the maximum pixel of the ring of light: σ=f (N), and the numerical value of N obtaining according to statistics and σ, calibrate f (N);
8) by thin cylindrical workpiece replacement step 3 to be measured) the thin cylindrical workpiece of standard, repeating step 3) and 4);
9) relation that the roughness on thin cylindrical workpiece surface that utilization has been calibrated and the maximum pixel of the ring of light are counted is calculated thin cylindrical workpiece surfaceness to be measured.
Claims (2)
1. a device for fast detecting for thin cylindrical workpiece surfaceness, is characterized in that being provided with generating laser, CCD camera, thin cylindrical workpiece, vertical detection flat board, computing machine, thin cylindrical workpiece support, generating laser support, rotating disk, rotating shaft and base;
Generating laser and CCD camera are located at the place ahead of vertical detection flat board, and CCD camera is connected by data line with computing machine; Described generating laser is fixed on generating laser support, and the Ear Mucosa Treated by He Ne Laser Irradiation of generating laser transmitting is on thin cylindrical workpiece and be reflected on vertical detection flat board; Thin cylindrical workpiece is fixed in the groove that thin cylindrical workpiece props up top of the trellis, and thin cylindrical workpiece support is fixed on the edge of rotating disk, and rotating disk is located in rotating shaft and with rotating shaft rotation, and rotating shaft and generating laser support are fixed on base both sides.
2. a kind of device for fast detecting of thin cylindrical workpiece surfaceness as claimed in claim 1, is characterized in that described generating laser support is provided with the set screw for adjusting laser beam height, levelness and reflection spot position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420217251.0U CN203811150U (en) | 2014-04-30 | 2014-04-30 | Rapid detection device for thin cylindrical workpiece surface roughness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420217251.0U CN203811150U (en) | 2014-04-30 | 2014-04-30 | Rapid detection device for thin cylindrical workpiece surface roughness |
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| Publication Number | Publication Date |
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| CN203811150U true CN203811150U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420217251.0U Expired - Fee Related CN203811150U (en) | 2014-04-30 | 2014-04-30 | Rapid detection device for thin cylindrical workpiece surface roughness |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913134A (en) * | 2014-04-30 | 2014-07-09 | 陈姚佳 | Rapid detection device and method for thin cylinder workpiece surface roughness |
| CN111707201A (en) * | 2020-07-08 | 2020-09-25 | 山东城开远大装配式建筑有限公司 | Device for rapidly measuring height of assembled building laminated plate truss |
-
2014
- 2014-04-30 CN CN201420217251.0U patent/CN203811150U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913134A (en) * | 2014-04-30 | 2014-07-09 | 陈姚佳 | Rapid detection device and method for thin cylinder workpiece surface roughness |
| CN103913134B (en) * | 2014-04-30 | 2016-06-01 | 陈姚佳 | The device for fast detecting of thin cylindrical workpiece surfaceness and detection method thereof |
| CN111707201A (en) * | 2020-07-08 | 2020-09-25 | 山东城开远大装配式建筑有限公司 | Device for rapidly measuring height of assembled building laminated plate truss |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20190430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |