Detection tool for detecting characteristics of part profiles
A surface feature and inspection tool technology, applied in the direction of measuring devices, mechanical devices, mechanical measuring devices, etc., can solve the problems of inaccurate measurement, distorted dimensional results, and inability to assemble products, so as to save costs, ensure product quality, and improve product quality. The effect of production efficiency
Inactive Publication Date: 2012-01-25
湖北三江航天江河橡塑有限公司
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Problems solved by technology
This method of measurement is not accurate, because the profile on the back of the part is irregular, resulting in some parts being lifted, the surface of the inspection tool and the inner surface of the part cannot be completely fitted, and the results of the measured flange and hole positions are distorted.
In addition, the surface profile cannot be measured, because it is impossible to observe the specific gap between the back of the part and the inspection tool
Method used
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Experimental program
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Embodiment
[0014] First set the theoretical distance between the vertical side 8 of the L-shaped groove 14 and the flange 13 profile 11 of the part 12 to be 5mm, which is used to measure the contour of the flange 13 of the part 12;
[0015] The theoretical distance between the horizontal edge 9 of the L-shaped groove 14 and the bottom surface 10 of the flanging 13 of the part 12 is 5mm, which is used to measure the length of the flanging 13 of the part 12.
[0016] The clamp 7 is matched with the support column 6 one by one, the distance from the horizontal side 9 of the L-shaped groove 14 to the inspection tool frame 1, the theoretical length of the flange 13 of the part 12 and 5 mm, the sum of these three is the height of the support column 6 .
[0017] When measuring, insert the main and auxiliary positioning pins on the back of the part 12 into the main positioning hole 3 and the auxiliary positioning hole 4 of the inspection tool frame 1 to position the part 12, press the clamp 7, a...
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The invention relates to a detection tool for detecting characteristics of part profiles. The detection tool comprises a detection tool frame, wherein a plurality of detection blocks are arranged on the detection tool frame, a main positioning hole and an auxiliary positioning hole are formed on one of the detection blocks, and measuring holes are formed on the rest detection blocks; L-shaped grooves are formed on the detection blocks; and pressing tongs are matched with a support column. In the detection tool for detecting the characteristics of the part profiles, parts are suspended in a mode of the support column, so the problem that the surface of the detection tool cannot be fitted with inner surfaces of the parts fully is avoided; an accurate acceptance method is provided for the detection of the characteristics of the part profiles through the preset theoretical distance, so the cost is saved, and the quality of products can be ensured and the production efficiency is improved in mass production.
Description
technical field [0001] The invention belongs to a checking tool, in particular to a checking tool for testing the surface characteristics of parts. Background technique [0002] After some parts have been flanged, in order to verify whether the product meets the design requirements, it is usually necessary to detect the length of the flanging of the part, the surface profile and the position of the hole on the part. In the inspection, the problem of how to fix it must first be solved. If the parts are displaced, the measurement results are meaningless, so it is necessary to ensure that the parts will not move; secondly, the problem of measurement accuracy must be solved. Since the products are all irregular surfaces, There is no profile that can be used as a reference surface, and inspection is a difficult problem, especially for mass-produced products. [0003] The inspection tools developed by counterparts at home and abroad can only roughly measure the length of the flan...
Claims
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Inventor 刘海龙于铁辉
Owner 湖北三江航天江河橡塑有限公司