CN108844500B - Automatic and efficient laser measurement method - Google Patents
Automatic and efficient laser measurement method Download PDFInfo
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- CN108844500B CN108844500B CN201810317627.8A CN201810317627A CN108844500B CN 108844500 B CN108844500 B CN 108844500B CN 201810317627 A CN201810317627 A CN 201810317627A CN 108844500 B CN108844500 B CN 108844500B
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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
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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Abstract
The invention discloses a laser automatic high-efficiency measurement method, which comprises the following steps: selecting a processed product to be detected, and preparing a high-volatility organic solvent; putting the product to be detected into the organic solvent, and enabling the organic solvent to be uniformly attached to the surface to be detected of the product to be detected; emitting laser light by a laser generator to uniformly irradiate the surface to be detected of the product to be detected attached with the organic solvent, so that the organic solvent attached to the surface to be detected of the product to be detected is gasified and volatilized, and a place with a precision error on the surface to be detected of the product to be detected is found out; and reselecting the surface to be tested of the product to be tested, repeating the steps, replacing the product to be tested and re-executing the initial step. The method comprises the steps of emitting laser light by a laser generator to uniformly irradiate the surface to be detected of the product to be detected attached with the organic solvent, and finding out the position with the precision error on the surface to be detected of the product to be detected.
Description
Technical Field
The invention relates to a laser automatic high-efficiency measurement method, and belongs to the technical field of laser measurement.
Background
With the continuous development of industrial refinement, the requirements on the surface precision and the dimensional precision of products made of existing bamboo wood products, organic glass, metal plates, glass, stone, crystals, leather, plastics, plastic spraying metal and the like are higher and higher, and the precision detection of the products or the measurement of the thickness and the length of the products is usually finished by removing burrs after the products are processed, so that the places with precision errors cannot be accurately found on the products.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, solve the technical problems and provide a laser automatic high-efficiency measuring method to accurately find a place with a precision error on a product.
The invention adopts the following technical scheme: a laser automatic high-efficiency measurement method is characterized by comprising the following steps:
step SS 1: selecting a processed product to be detected, and preparing a high-volatility organic solvent;
step SS 2: putting the product to be detected in the step SS1 into the organic solvent, so that the organic solvent is uniformly attached to the surface to be detected of the product to be detected;
step SS 3: emitting laser light by a laser generator to uniformly irradiate the surface to be measured of the product to be measured attached with the organic solvent in the step SS2, so that the organic solvent attached to the surface to be measured of the product to be measured is gasified and volatilized, and a place with a precision error on the surface to be measured of the product to be measured is found;
step SS 4: and reselecting the surface to be measured of the product to be measured, repeating the steps SS2 and SS3 until all the surfaces to be measured of the product to be measured are subjected to error measurement, replacing the product to be measured, and executing the step SS 1.
As a preferred embodiment, step SS3 further includes: the method for judging the position with the precision error on the surface to be measured comprises the following steps: judging that no precision error exists at the position where the volatilization quantities of the organic solvent on the surface to be detected are consistent; and judging that the precision error exists at the position where the volatilization quantities of the organic solvent on the surface to be detected are inconsistent.
As a preferred embodiment, step SS3 further includes: if the part of the organic solvent volatilization volume on the surface to be detected, which is inconsistent, is larger than the volatilization volume of the part of the organic solvent volatilization volume, which is consistent, the precision error is judged to be larger than the surface thickness, burrs exist on the surface, and if the part of the organic solvent volatilization volume on the surface to be detected, which is inconsistent, is smaller than the volatilization volume of the part of the organic solvent volatilization volume, which is consistent, the precision error is judged to be smaller than the surface thickness, and the surface is sunken.
In a preferred embodiment, the organic solvent is acetone.
As a preferred embodiment, the material of the product to be tested is one of the following materials: bamboo and wood products, organic glass, metal plates, glass, stone, crystal, leather, plastics and plastic-sprayed metal.
As a preferred embodiment, the laser light uniform irradiation in step SS3 specifically includes: the laser light scans the surface to be detected in a dot matrix scanning mode, so that the organic solvent is uniformly gasified and volatilized, the energy of the received laser light is different due to the fact that the surface precision of each position of the surface to be detected is different, and further the volatilization amount of the organic solvent is different.
The invention achieves the following beneficial effects: aiming at the technical defect that the existing product usually has the defects that the product precision detection or the product thickness and length measurement is finished by removing burrs after the product is processed, and a position with precision errors cannot be accurately found on the product, the invention uses the laser generator to emit laser light to uniformly irradiate the surface to be detected of the product to be detected, which is attached with an organic solvent, so that the organic solvent attached to the surface to be detected of the product to be detected is gasified and volatilized, and the position with precision errors on the surface to be detected of the product to be detected is found, thereby greatly improving the automatic high-efficiency detection of the product and having high detection precision.
Drawings
Fig. 1 is a schematic view of the measurement principle of the present invention.
The meanings of the symbols in the figures: 1-laser generator, 2-laser, 3-organic solvent and 4-product to be tested.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 shows a schematic diagram of the measurement principle of the present invention.
Example 1: the product 4 to be detected is a bamboo product, and the organic solvent 3 is acetone; the invention provides a laser automatic high-efficiency measurement method, which comprises the following steps:
step SS 1: selecting processed bamboo and wood products, and preparing high-volatility acetone;
step SS 2: putting the bamboo and wood product obtained in the step SS1 into acetone, and enabling the acetone to be uniformly attached to the surface to be detected of the bamboo and wood product;
step SS 3: emitting laser light 2 by a laser generator 1 to uniformly irradiate the surface to be detected of the bamboo and wood product attached with acetone in the step SS2, so that the acetone attached to the surface to be detected of the bamboo and wood product is gasified and volatilized, and a place with a precision error on the surface to be detected of the bamboo and wood product is found out; the laser light uniform irradiation in the step SS3 specifically includes: the laser light scans the surface to be detected in a dot matrix scanning mode, so that acetone is uniformly gasified and volatilized, and the energy of the laser light received by the acetone is different due to different surface accuracies of various positions of the surface to be detected, so that the volatilization amount of the acetone is different; step SS3 further includes: the method for judging the position with the precision error on the surface to be measured comprises the following steps: judging that no precision error exists at the position where the acetone volatilization amount on the surface to be detected is consistent; judging that the position with inconsistent acetone volatilization amount on the surface to be detected has a precision error; step SS3 further includes: if the place where the acetone volatilization amount on the surface to be detected is inconsistent is larger than the volatilization amount of the place where the acetone volatilization amount is consistent, judging that the precision error is larger in surface thickness and burrs exist on the surface, and if the place where the acetone volatilization amount on the surface to be detected is inconsistent is smaller than the volatilization amount of the place where the acetone volatilization amount is consistent, judging that the precision error is smaller in surface thickness and the surface is sunken;
step SS 4: and (5) reselecting the surface to be measured of the bamboo-wood product, repeating the steps SS2 and SS3 until all the surfaces to be measured of the bamboo-wood product are subjected to error measurement, replacing the bamboo-wood product and executing the step SS 1.
Example 2: the product to be detected selects organic glass, and the organic solvent is acetone;
the invention provides a laser automatic high-efficiency measurement method, which comprises the following steps:
step SS 1: selecting processed organic glass, and preparing high-volatility acetone;
step SS 2: putting the organic glass in the step SS1 into acetone, and enabling the acetone to be uniformly attached to the surface of the organic glass to be detected;
step SS 3: emitting laser light 2 by a laser generator 1 to uniformly irradiate the surface to be detected of the organic glass attached with acetone in the step SS2, so that the acetone attached to the surface to be detected of the organic glass is gasified and volatilized, and a place with a precision error on the surface to be detected of the organic glass is found out; the uniform irradiation of the laser light 2 in the step SS3 specifically includes: the laser light scans the surface to be detected in a dot matrix scanning mode, so that acetone is uniformly gasified and volatilized, and the energy of the laser light received by the acetone is different due to different surface accuracies of various positions of the surface to be detected, so that the volatilization amount of the acetone is different; step SS3 further includes: the method for judging the position with the precision error on the surface to be measured comprises the following steps: judging that no precision error exists at the position where the acetone volatilization amount on the surface to be detected is consistent; judging that the position with inconsistent acetone volatilization amount on the surface to be detected has a precision error; step SS3 further includes: if the place where the acetone volatilization amount on the surface to be detected is inconsistent is larger than the volatilization amount of the place where the acetone volatilization amount is consistent, judging that the precision error is larger in surface thickness and burrs exist on the surface, and if the place where the acetone volatilization amount on the surface to be detected is inconsistent is smaller than the volatilization amount of the place where the acetone volatilization amount is consistent, judging that the precision error is smaller in surface thickness and the surface is sunken;
step SS 4: and (5) reselecting the surface to be measured of the organic glass, repeating the step SS2 and the step SS3 until all the surfaces to be measured of the organic glass are subjected to error measurement, replacing the organic glass and executing the step SS 1.
Example 3: selecting a metal plate as a product to be detected, wherein an organic solvent is acetone;
the invention provides a laser automatic high-efficiency measurement method, which comprises the following steps:
step SS 1: selecting a processed metal plate, and preparing high-volatility acetone;
step SS 2: putting the metal plate obtained in the step SS1 into acetone, and uniformly attaching the acetone to the surface to be detected of the metal plate in a Dacromet coating mode;
step SS 3: emitting laser light 2 by a laser generator 1 to uniformly irradiate the surface to be measured of the metal plate attached with the acetone in the step SS2, so that the acetone attached to the surface to be measured of the metal plate is vaporized and volatilized, and a place with a precision error on the surface to be measured of the metal plate is found out; the laser light uniform irradiation in the step SS3 specifically includes: the laser light scans the surface to be detected in a dot matrix scanning mode, so that acetone is uniformly gasified and volatilized, and the energy of the laser light received by the acetone is different due to different surface accuracies of various positions of the surface to be detected, so that the volatilization amount of the acetone is different; step SS3 further includes: the method for judging the position with the precision error on the surface to be measured comprises the following steps: judging that no precision error exists at the position where the acetone volatilization amount on the surface to be detected is consistent; judging that the position with inconsistent acetone volatilization amount on the surface to be detected has a precision error; step SS3 further includes: if the place where the acetone volatilization amount on the surface to be detected is inconsistent is larger than the volatilization amount of the place where the acetone volatilization amount is consistent, judging that the precision error is larger in surface thickness and burrs exist on the surface, and if the place where the acetone volatilization amount on the surface to be detected is inconsistent is smaller than the volatilization amount of the place where the acetone volatilization amount is consistent, judging that the precision error is smaller in surface thickness and the surface is sunken;
step SS 4: and (4) reselecting the surface to be measured of the metal plate, repeating the steps SS2 and SS3 until all the surfaces to be measured of the metal plate are subjected to error measurement, replacing the metal plate and executing the step SS 1.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A laser automatic high-efficiency measurement method is characterized by comprising the following steps:
step SS 1: selecting a processed product to be detected, and preparing a high-volatility organic solvent;
step SS 2: putting the product to be detected in the step SS1 into the organic solvent, so that the organic solvent is uniformly attached to the surface to be detected of the product to be detected;
step SS 3: emitting laser light by a laser generator to uniformly irradiate the surface to be measured of the product to be measured attached with the organic solvent in the step SS2, so that the organic solvent attached to the surface to be measured of the product to be measured is gasified and volatilized, and a place with a precision error on the surface to be measured of the product to be measured is found; the method for judging the position with the precision error on the surface to be measured comprises the following steps: judging that no precision error exists at the position where the volatilization quantities of the organic solvent on the surface to be detected are consistent; judging that the position with inconsistent organic solvent volatilization amount on the surface to be detected has a precision error; if the place with inconsistent organic solvent volatilization amount on the surface to be detected is larger than the volatilization amount of the place with consistent organic solvent volatilization amount, judging that the precision error is larger surface thickness and burrs exist on the surface, and if the place with inconsistent organic solvent volatilization amount on the surface to be detected is smaller than the volatilization amount of the place with consistent organic solvent volatilization amount, judging that the precision error is smaller surface thickness and the surface has depressions; the laser light uniform irradiation specifically comprises: the laser light scans the surface to be detected in a dot matrix scanning mode, so that the organic solvent is uniformly gasified and volatilized, and the energy of the received laser light is different due to different surface accuracies of each position of the surface to be detected, so that the volatilization amount of the organic solvent is different;
step SS 4: and reselecting the surface to be measured of the product to be measured, repeating the steps SS2 and SS3 until all the surfaces to be measured of the product to be measured are subjected to error measurement, replacing the product to be measured, and executing the step SS 1.
2. The laser automated high-efficiency measurement method according to claim 1, wherein the organic solvent is acetone.
3. The laser automatic high-efficiency measurement method according to claim 1, wherein the material of the product to be measured is one of the following materials: bamboo and wood products, organic glass, metal plates, glass, stone, crystal, leather, plastics and plastic-sprayed metal.
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| CN101410945B (en) * | 2006-08-31 | 2013-03-27 | 株式会社尼康 | Mobile body drive method and mobile body drive system, pattern formation method and apparatus, exposure method and apparatus, and device manufacturing method |
| KR20090077271A (en) * | 2008-01-10 | 2009-07-15 | 인제대학교 산학협력단 | Surface microdefect inspection method |
| JP4796160B2 (en) * | 2009-02-27 | 2011-10-19 | 三菱重工業株式会社 | Thin film inspection apparatus and inspection method |
| CN102636132A (en) * | 2012-03-09 | 2012-08-15 | 中国科学院长春光学精密机械与物理研究所 | Reference plane generating device for calibrating roughness of optical surface |
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| CN106822187A (en) * | 2017-04-21 | 2017-06-13 | 亳州市永刚饮片厂有限公司 | Chinese medicine hierarchical processing method and Chinese medicine processing method |
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Address after: 215000 199 Lusheng Road, Luzhi Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: SUZHOU JOYO METAL TECHNOLOGY Co.,Ltd. Address before: 215100 No. 90-8 Lianyi Road, Luzhi Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: SUZHOU JOYO METAL TECHNOLOGY Co.,Ltd. |