Photoelectronic detection instrument for main brake cylinder
A photoelectric detector and brake master cylinder technology, applied in the field of photoelectric detectors, can solve the problems of lack of detection equipment and difficulty in improving the product quality and production efficiency of the brake master cylinder, so as to achieve small space occupation and expandable availability The effect of easy loading and unloading
Inactive Publication Date: 2004-11-24
UNIV OF SHANGHAI FOR SCI & TECH
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Problems solved by technology
In industrial production, in order to provide valuable reference for process adjustment and raw material ratio analysis, and fully ensure the quality of finished products, it is also necessary to identify and count the different forms of inner hole defects and the number of various form defects , which is difficult to achieve with the naked eye
At present, the detection of trachoma, cracks, burrs and other surface defects on the inner wall surface of the automobile brake master cylinder is no exception. It is also observed by human eyes without testing equipment. In this way, it is difficult to improve the quality of brake master cylinder products. and production efficiency
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[0013] Depend on figure 1 As shown, the detection part of the brake master cylinder is composed of a workpiece mounting support 1, a rotating base 3, a motor 4, and a photoelectric detection rod 5, and the workpiece 2 is installed between the workpiece mounting support 1 and the rotating base 3, which is the system to be detected. Moving master cylinder. As shown in Figures 2 and 3, the photodetector 5 is composed of a detection light pipe 6, a front cylinder base 7, a rear cylinder base 8, and a square base 9. A camera 10 is built in the square base 9, and an optical lens is placed between the front and rear cylinders. Group 11, the head of the detection light pipe 6 is provided with a rectangular viewing hole 12 and a total reflection rectangular prism 13 is installed, and an illuminating light source 14 is placed at the four corners of the rectangular viewing hole. In this way, it can be used to selectively illuminate the inner wall surface of the brake master cylinder fro...
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The photoelectronic detection instrument for main brake cylinder includes detection part, computer and control equipment, and features the photoelectronic detecting rod comprising detecting collkimator, front and back barrel seats and squared seat; the squared seat with detecting video camera inside it; optical lens combination set between the front and back barrel seats; and the detecting collimator with squared observation hole, lighting source around the observation hole and total reflection rectangular prism. When the detecting collimator scans the inner wall surface of the main cylinder, the scanned image is received by the detecting video camera, processed in the computer, recorded and displayed. The present invention has high detection and judgment precision, and is convenient and efficient.
Description
technical field [0001] The invention relates to a photoelectric detector used for detecting trachoma, cracks, burrs and the like on the inner wall surface of an automobile brake master cylinder. Background technique [0002] The quality inspection of the inner surface of deep holes is one of the difficult problems in the quality control of industrial products. In the past, the implementation of such inspection items could only be carried out by human eyes. In industrial production, in order to provide valuable reference for process adjustment and raw material ratio analysis, and fully ensure the quality of finished products, it is also necessary to identify and count the different forms of inner hole defects and the number of various form defects , which is difficult to realize with the naked eye. At present, the detection of trachoma, cracks, burrs and other surface defects on the inner wall surface of the automobile brake master cylinder is no exception. It is also observ...
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IPC IPC(8): G01N21/88G01N21/954
Inventor 张仁杰麦云飞
Owner UNIV OF SHANGHAI FOR SCI & TECH