A kind of mobile phone shell edge quality detection system and detection method
A quality inspection method and mobile phone shell technology, applied in measuring devices, optical testing flaws/defects, instruments, etc., can solve false detections, complex pattern recognition algorithms, product dents, scratches, bumps, burrs, etc. problems, to achieve the effect of improving the level of automation and reducing manufacturing costs
Inactive Publication Date: 2017-11-21
TIANJIN UNIV
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[0003] Taking mobile phone casings as an example, due to reasons in the manufacturing process, some products may have quality defects such as dents, scratches, bumps, and burrs on the appearance.
At present, most parts manufacturers rely on manual inspection of the appearance quality of mobile phone casings, which is prone to false detection and missed detection, which brings a lot of economic losses to the manufacturers. Therefore, efficient and accurate intelligent automatic detection devices are urgently needed
Existing intelligent devices (such as invention patent CN102218406A) that use image processing technology to detect mobile phone shells require complex pattern recognition algorithms, and some also need to install detection lenses at multiple angle positions (such as utility model CN203455286U). The method is not easy to implement, and the accuracy and precision of detection are not ideal enough
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[0027] The present invention will be described in further detail below in conjunction with specific embodiments.
[0028] Such as figure 1 The detection device used to detect the edge of the mobile phone shell is used to intelligently detect the appearance quality of the edge of the mobile phone shell, including a control unit, a data acquisition module, a two-dimensional laser scanning sensor, an electrical drive module, and a fixture for the mobile phone shell. Shell installation platform 7 , clamp manipulation mechanism 5 , clamp locking mechanism 6 and base 2 .
[0029] The two-dimensional laser scanning sensor is installed on the base 2, and its output end is connected with the input end of the data acquisition module, which is used to scan the contour data of the edge of the mobile phone case and transmit it to the data acquisition module. The installation method is that the two-dimensional laser scanning sensor is installed at a position equal to the horizontal centerl...
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The invention relates to a mobile phone shell edge quality detection system, which includes a control unit, a data acquisition module, a two-dimensional laser scanning sensor, an electrical drive module and a mechanical device for detecting the edge of a mobile phone shell. The mechanical device includes a mobile phone shell clamp, a mobile phone shell mounting The platform, the fixture operating mechanism, the fixture locking mechanism and the base; the control unit is respectively connected with the output end of the data acquisition module and the input end of the electric drive module, and the two-dimensional laser scanning sensor is installed on the base, and its output is connected with the input end of the data acquisition module The mobile phone case fixture includes an upper fixture and a lower fixture. The lower fixture is fixed on the mobile phone case installation platform. Connected; two-dimensional laser scanning sensor for scanning the contour of the edge of the mobile phone case. The invention also provides a detection method realized by the above system. The invention has the advantages of low cost, easy realization and high reliability.
Description
【Technical field】 [0001] The invention belongs to the technical field of automatic detection and relates to a method for detecting the quality of a mobile phone casing. 【technical background】 [0002] In recent years, high-end smartphones have become more and more popular among consumers, and their market share has continued to grow. The components in many internationally renowned mobile phone products are made in China, which brings huge business opportunities to China's electronics industry. But at the same time, mobile phone manufacturers have also put forward strict requirements for the quality inspection of high-end mobile phone parts and accessories. my country's mobile phone parts manufacturers are facing huge challenges. [0003] Taking mobile phone casings as an example, due to reasons in the manufacturing process, some products may have quality defects such as dents, scratches, bumps, and burrs on the appearance. At present, most parts manufacturers rely on manua...
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IPC IPC(8): G01N21/88G01B11/24G01B11/30
Inventor 刘迎澍
Owner TIANJIN UNIV