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|1. (WO2017202015) POSITIONING STRUCTURE FOR SEEKING WELDING SEAM BY PHOTOGRAPHIC DETECTION|
|Applicants:||SUZHOU HYCAN HOLDINGS CO., LTD.
|Title:||POSITIONING STRUCTURE FOR SEEKING WELDING SEAM BY PHOTOGRAPHIC DETECTION|
Disclosed is a positioning structure for seeking a welding seam by photographic detection, comprising a conveying holding claw (1), wherein a track of the conveying holding claw (1) is provided with a photographing analysis station (2) and a rotating station (3), respectively; a detection camera (5) is arranged directly over the photographing analysis station (2), and the camera lens photographic range of the detection camera (5) covers a barrel inner wall of and an upper edge of a barrel opening of a semi-finished product; the rotating station (3) comprises an upper rotating disc (6) and a lower rotary electric motor (7); a lower convex shaft (8) of the upper rotating disc (6) is connected to an output shaft (9) of the lower rotary electric motor (7); and the detection camera (5) is externally connected to an input end of a data processing module (10) via a data connection module. The data processing module (10) compares a welding seam position of a semi-finished product that is photographed by the detection camera and a pre-set welding seam position, obtains an angle control parameter by analysis, then passes back the angle control parameter to an input module (13) of the lower rotary electric motor (7), and a subsequent station (4) is provided behind the rotating station (3). By means of the positioning structure, welding seam positioning has the advantages of a small rotation angle, short time and a fast speed, thereby ensuring the production efficiency of the whole production line.