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公开(公告)号：US20180147647A1
公开(公告)日：2018-05-31
申请号：US15534005
申请日：2015-06-30
发明人： Jiayou WANG , Jie ZHU , Na SU , Maosen YANG , Wenhang LI
CPC分类号： B23K9/0953 , B23K9/0213 , B23K9/0956 , B23K9/1087 , B23K9/1274 , B23K9/173
摘要： Disclosed are an adaptive control method and equipment of arc swing in narrow gap welding. The control equipment is composed of an infrared camera system, a computer image processing system, an arc swing parameter control system, a bent-conducting-rod-type swing arc torch and the like. The infrared camera system acquires, in an external triggering manner, an infrared image of welding area when an arc is deviated towards the left or the right side wall groove, extracts information about the width of the groove in real time after image processing by a computer, and calculates an arc swing angle target value. The arc swing parameter control system controls a motor drive mechanism to rotate a bent conducting rod, and drives the welding arc to conduct circular arc swing according to the swing angle target value, thereby realizing the adaptive control for the arc swing angle according to changes of the groove width.
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公开(公告)号：US20220388088A1
公开(公告)日：2022-12-08
申请号：US17764984
申请日：2020-09-18
发明人： Jiayou WANG , Jie ZHU , Tianwei WANG , Wei WANG , Kai WANG , Da JIANG , Biao WANG , Yuqing JIANG , Jianjian PANG , Luxiao ZHANG
IPC分类号： B23K9/28 , B23K9/16 , H02K5/14 , H02K5/20 , H02K7/00 , H02K9/19 , H02K9/28 , H02K11/22 , H02P6/16
摘要： A swing/rotating gas metal arc welding torch, include a hollow shaft motor and a feeder panel. An upper extending shaft of the feeder panel penetrates through a brush mechanism, and is fixedly connected to a lower extension shaft of the hollow shaft by means of a coupling, and a lower extending shaft of the feeder panel penetrates through a support bearing mounted in a brush base and is then connected to an eccentric or bent conductive rod mechanism; the motor base is fixedly connected to the brush base by means of connecting screws, and a welding shielding gas is provided and welding torch cooling is achieved by means of inner holes of the connecting screws as well as a built-in gas passage and a cooling water passage of the brush base; the length of the conductive rod mechanism is adjusted by means of modulation or extension and retraction.
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公开(公告)号：US20180015571A1
公开(公告)日：2018-01-18
申请号：US15541021
申请日：2015-12-16
发明人： Jiayou WANG , Jie ZHU , Cai ZHANG , Maosen YANG , Na SU , Wenhang LI
CPC分类号： B23K31/125 , B23K9/0213 , B23K9/0216 , B23K9/0956 , B23K9/1274 , B23K9/173 , G01B11/022 , G01B11/14 , G01R19/0092 , G06T7/0004 , G06T7/13 , G06T7/136 , G06T7/155 , G06T7/73 , G06T2207/10048 , G06T2207/20032 , G06T2207/20036 , G06T2207/30136 , G06T2207/30152
摘要： Disclosed are an infrared vision sensing detection method and device for narrow-gap weld seam deviation. The device includes a shaking (or rotating) arc narrow-gap welding torch, an arc current sensor (3), a computer image processing system (15), and an infrared photographing system. An infrared camera (11) acquires an infrared image of a welding region in an external triggering manner when an arc (1) shakes (or rotates) to a position closest to the left side wall or right side wall of a groove (9). After computer image processing, welding wire position and groove edge information is extracted in real time, and weld seam deviation is calculated according to position changes of a welding wire relative to the left side wall and the right side wall of the groove, and the weld seam deviation is output. During pulsed arc welding, a signal in a base value period of the arc current pulse is detected by using the current sensor, thereby realizing welding image acquisition synchronized with the base value current period of the pulsed arc. The device has a simple constitution, a wide application range, high weld seam detection precision, high environment adaptability, and high anti-interference capability.
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