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公开(公告)号：US11167368B2
公开(公告)日：2021-11-09
申请号：US16313158
申请日：2016-10-07
发明人： Hisashi Kitagawa , Yoshiyuki Oomasa , Hideki Shudai , Yoshihiko Ueno , Daisuke Miyazaki , Masato Takeda , Toshinori Ohtomo , Toshikazu Kamae
摘要： According to some embodiments, there is provided a welding device for welding outer peripheral edges of two irregular shaped plates which are overlapped, including: a rotary table to which the two irregular shaped plates in an overlapped state are fixed; a torch unit, including a welding torch positioned to face the outer peripheral edges of the two irregular shaped plates fixed to the rotary table; a first torch actuator, capable of changing an orientation and a distance of the welding torch relative to the outer peripheral edges; and a first controller, configured to control the first torch actuator, so that the orientation of the welding torch relative to a tangential line of the outer peripheral edges and the distance of the welding torch from the outer peripheral edges are kept constant along a circumferential direction of the outer peripheral edges, during rotation of the two irregular shaped plates.
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公开(公告)号：US10792748B2
公开(公告)日：2020-10-06
申请号：US16313155
申请日：2016-10-07
发明人： Hisashi Kitagawa , Yoshiyuki Oomasa , Hideki Shudai , Yoshihiko Ueno , Daisuke Miyazaki , Masato Takeda , Toshinori Ohtomo , Toshikazu Kamae
IPC分类号： B23K37/04 , B23K5/00 , B23K5/02 , B23K5/22 , B23K9/02 , B23K9/095 , B23K9/127 , B23K9/16 , B23K9/29 , B23K9/32 , B23K37/02 , B23K101/14
摘要： A welding device according to some embodiments includes a rotary table fixing two irregular shaped plates which are overlapped, a torch unit including a welding torch positioned to face outer peripheral edges of the two irregular shaped plates fixed to the rotary table, a torch actuator configured to move the welding torch toward and away from the outer peripheral edges, an after-shielding part mounted to the welding torch on downstream side in a rotational direction of the rotary table and having nozzles arranged along the rotational direction, configured to jet shielding gas to the outer peripheral edges, and including a first nozzle positioned upstream and a second nozzle positioned downstream of the first nozzle in the rotational direction, and a controller configured to control an orientation of the nozzle in a direction of decreasing a shielding-gas-jetting distance between the second nozzle and the outer peripheral edges welded by the welding torch.
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