US 11,872,657 B2
Welding system, and method for welding workpiece in which same is used
Michio Sakurai, Osaka (JP); Narumi Atsuta, Fukuoka (JP); Toru Sakai, Hyogo (JP); and Masashi Yoshida, Tokyo (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Jun. 21, 2021, as Appl. No. 17/353,108.
Application 17/353,108 is a continuation of application No. PCT/JP2019/047219, filed on Dec. 3, 2019.
Claims priority of application No. 2018-237522 (JP), filed on Dec. 19, 2018.
Prior Publication US 2021/0308782 A1, Oct. 7, 2021
Int. Cl. B23K 9/095 (2006.01); G01B 11/24 (2006.01); G01N 21/88 (2006.01); G01N 21/95 (2006.01)
CPC B23K 9/0956 (2013.01) [G01B 11/24 (2013.01); G01N 21/8803 (2013.01); G01N 21/95 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A welding system comprising: a welding apparatus that welds a workpiece; and an appearance inspection apparatus that inspects an appearance of a weld of the workpiece, wherein
the appearance inspection apparatus at least includes:
a shape measurement unit that measures a shape of the weld;
an image processor that generates image data of the weld based on data of the shape measured by the shape measurement unit;
a determination unit that determines whether the shape of the weld is good or bad based on the image data read from the image processor; and
a feedback unit that extracts shape defect information including a defect mode of the weld and a size and position of the shape defect in the weld based on a result of the determination by the determination unit and the image data read from the image processor,
the welding apparatus at least includes:
a welding head that applies heat to the workpiece; and
an output controller that controls a welding output of the welding head, and
if the determination unit has determined that the shape of the weld is bad, the output controller corrects a welding condition for the workpiece based on the shape defect information extracted by the feedback unit.