Workpiece flatness detection device
A detection device and flatness technology, applied in the direction of measuring device, electromagnetic measuring device, electric/magnetic solid deformation measurement, etc., can solve the problems of little efficiency improvement, uncontrollable error rate, high cost, etc., to reduce detection cost and improve The effect of precision and excellent conversion ability
Inactive Publication Date: 2022-04-15
DONGGUAN POLYTECHNIC
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Problems solved by technology
[0002] At present, there are usually two ways to detect the flatness of workpieces in the industry. One is to conduct high-precision detection manually, which requires the use of skilled workers with a high level of technology. The characteristic is that the detection accuracy is high, but the efficiency Low, and the error rate is uncontrollable; the other is to use machine vision-based detection equipment for detection, which is characterized by higher detection accuracy, but the cost is high and the efficiency is not improved much.
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[0025] This part will describe the specific embodiment of the present invention in detail, and the preferred embodiment of the present invention is shown in the accompanying drawings. Each technical feature and overall technical solution of the invention, but it should not be understood as a limitation on the protection scope of the present invention.
[0026] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
[0027] I...
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The invention discloses a workpiece flatness detection device which comprises an object carrying module, a pressure applying module, a driving module, a data processing module and a result processing module. The pressure applying module enables the flexible measuring sensor to be in contact with the to-be-measured workpiece at constant pressure; the driving module drives the flexible measurement sensor to move along the surface of the workpiece to be measured at a constant speed; the data processing module fits a target signal curve of the flexible measurement sensor to reflect a surface curve of the workpiece to be measured; the result processing module compares the target signal curve with a preset standard curve of a standard workpiece to obtain a comparison result; according to the invention, the method achieves the conversion between digitization and imaging, has excellent conversion capability, can truly restore the flatness difference of a tiny part in the surface of a workpiece, improves the flatness detection precision and detection efficiency of the workpiece, and reduces the detection cost.
Description
technical field [0001] The invention relates to workpiece parameter detection, in particular to a workpiece flatness detection device. Background technique [0002] At present, there are usually two ways to detect the flatness of workpieces in the industry. One is to conduct high-precision detection manually, which requires the use of skilled workers with a high level of technology. The characteristic is that the detection accuracy is high, but the efficiency Low, and the error rate is uncontrollable; the other is to use machine vision-based detection equipment for detection, which is characterized by higher detection accuracy, but the cost is high and the efficiency is not improved much. Contents of the invention [0003] The object of the present invention is to at least solve one of the technical problems in the prior art, and provide a workpiece flatness detection device. [0004] The technical scheme that the present invention solves its problem adopts is: [0005] ...
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IPC IPC(8): G01B21/30G01B7/16
Inventor 鲍晶晶麦强徐淑琼
Owner DONGGUAN POLYTECHNIC