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An automatic precision laser welding method based on ccd visual detection

A visual inspection and precision welding technology, applied in the field of welding processing, can solve the problems of small photographic field of view, high detection accuracy, low detection accuracy, etc., and achieve the effect of satisfying high performance and huge development potential.

Active Publication Date: 2021-09-24
苏州菲镭泰克激光技术有限公司
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AI Technical Summary

Problems solved by technology

Usually the coaxial camera has a small field of view and high detection accuracy, while the side-axis is mainly used for large-format inspection, but the detection accuracy is low
For large-format laser scanning galvanometer processing, it is suitable to use the side-axis system, but the accuracy will be worse
For ultra-precision welding across dimensions of collimators, laser galvanometer scanning welding is suitable, but there are currently difficulties in welding positioning and welding quality inspection

Method used

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  • An automatic precision laser welding method based on ccd visual detection
  • An automatic precision laser welding method based on ccd visual detection
  • An automatic precision laser welding method based on ccd visual detection

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Embodiment Construction

[0040] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0041] The principle of the method of visual inspection of laser welding parts based on CCD is as follows: figure 1 . The visual detection system is composed of CCD sensor, imaging objective lens, intelligent image processing software and auxiliary lighting, etc. It specifically includes multiple detectors composed of high-resolution CCD sensor 31 and imaging objective lens 32. The CCD sensor is equipped with corresponding objective lens according to the detection needs . There are two or four CCD detection devices, the field of view of four is larger, and the three-dimensional imaging is more accurate, but the cost is also higher. In this example, there are two detectors, which are respectively located on both sides of the light outlet of the dynamic focus scanning system 1, and the CCD detection system is fixed on the support frame 4 and c...

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Abstract

The invention discloses an automatic precision laser welding method based on CCD visual detection. In order to realize the automation and intelligent welding of microstructure precision parts and components, firstly, according to the technological requirements of welded parts and the technical requirements of dimensions, position, precision, etc., through CCD visual inspection, intelligent graphics processing and CNC platform precision motion control, The automatic positioning of parts welding is realized; for the parts after welding, the numerical control platform is driven, the welding quality inspection is directly performed by CCD, and the welding results are quickly fed back. The invention can meet the demand of high-precision automatic manufacturing in the field of high-end precision parts and components manufacturing.

Description

technical field [0001] The invention relates to an automatic precision laser welding method based on CCD visual detection, which belongs to the field of welding processing. Background technique [0002] With the development of microstructure components and parts in the fields of electronic information, aerospace, and high-end equipment to higher performance manufacturing requirements, through the integration of advanced technologies such as precision laser welding manufacturing technology, intelligent detection and control, to achieve high performance components, High-quality and high-efficiency manufacturing of parts and components has become an inevitable development. For example, the welding position accuracy of optical communication lasers, new generation OLED displays, high-resolution detection satellite collimators, etc. needs to be controlled at the micron level. The welding and manufacturing of these micro-structured devices or components first needs to realize accu...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/21B23K26/70
CPCB23K26/21B23K26/70
Inventor 肖荣诗黄婷杨海青
Owner 苏州菲镭泰克激光技术有限公司
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