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公开(公告)号：US10101724B2
公开(公告)日：2018-10-16
申请号：US15023686
申请日：2015-03-12
Inventor： Yiheng Kung , Yasushi Mukai , Wataru Takahashi
IPC: G05B19/402 , B23K26/08 , B25J19/00
Abstract: A laser machining robot includes a manipulator, a robot controller, and a laser machining head. The robot controller controls the operation of the manipulator. The laser machining head is mounted to the manipulator and scans a laser beam. The laser machining head includes a servomotor for driving a member for scanning the laser beam. The drive of the servomotor is controlled by the robot controller.
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Patent Agency Ranking
公开(公告)号：US09889522B2
公开(公告)日：2018-02-13
申请号：US15118858
申请日：2015-02-24
Inventor： Yiheng Kung , Yasushi Mukai , Wataru Takahashi
CPC classification number: B23K26/0648 , B23K26/38 , B23K26/703 , B23K26/706
Abstract: The laser processing head of the present disclosure includes a collimation lens, a focus lens, a first parallel plate, a first drive unit, a second parallel plate, and a second drive unit. The collimation lens collimates a laser beam having a first optical axis, and the focus lens condenses the collimated laser beam. The first parallel plate shifts the optical axis of the condensed laser beam to a second optical axis. The first drive unit rotates the first parallel plate around a first rotation axis. The second parallel plate shifts the optical axis of the laser beam shifted to the second optical axis, to a third optical axis. The second drive unit rotates the second parallel plate around a second rotation axis. The direction of the first rotation axis and the direction of the second rotation axis are identical.
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公开(公告)号：US11052483B2
公开(公告)日：2021-07-06
申请号：US16094495
申请日：2017-04-11
Inventor： Tatsuyuki Nakagawa , Atsuhiro Kawamoto , Junji Fujiwara , Noriyuki Matsuoka , Wataru Takahashi
Abstract: A laser welding device includes a welding head configured to emit a laser beam to a working point, a shield gas supplying nozzle configured to supply shield gas to the working point, and a high-speed air supplying nozzle configured to supply a high-speed air stream between the shield gas supplying nozzle and the welding head, the high-speed air stream having a flow rate that is larger than a flow rate of the shield gas, and being supplied in a horizontal direction directly above the shield gas supplied to the working point, or in a direction orthogonal to an emission direction of the laser beam. The high-speed air supplying nozzle is disposed in a range from 80 mm to 200 mm, both inclusive, above the working point, or in a range equal to or lower than a half of a working distance between an emission surface of the laser beam of the welding head and the working point, and supplies the high-speed air stream in a belt shape.
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公开(公告)号：US10532426B2
公开(公告)日：2020-01-14
申请号：US15580434
申请日：2016-08-29
Inventor： Yiheng Kung , Wataru Takahashi
IPC: B23K26/064 , B23K26/08 , B23K26/06 , B23K26/082 , B23K26/21 , B23K26/70 , B23K26/046 , G02B26/08 , G02B26/10
Abstract: A laser machining head controls an irradiation position of a laser beam on a machining target by rotating a first parallel plate by a first motor and rotating a second parallel plate by a second motor. A first holder holding the first parallel plate has a first rotation angle identification unit, and a second holder holding the second parallel plate has a second rotation angle identification unit. The first rotation angle identification unit has a positioning surface that allows positioning relative to the first parallel plate, and the second rotation angle identification unit has a positioning surface that allows positioning relative to the second parallel plate.
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公开(公告)号：US10189116B2
公开(公告)日：2019-01-29
申请号：US15023389
申请日：2015-03-09
Inventor： Wataru Takahashi , Yasushi Mukai , Yiheng Kung
IPC: B23K26/14 , B23K26/064 , B23K26/142 , B23K26/382
Abstract: A laser machining head includes a collimation lens, a focusing lens, and a nozzle unit. The nozzle unit includes a protective member, an inner nozzle, an outer nozzle, a nozzle holding section, and an orifice. The outer nozzle is disposed outside the inner nozzle and the nozzle holding section holds the inner nozzle and the outer nozzle. The orifice is in contact with the inner nozzle and is interposed between the nozzle holding section and the outer nozzle. The nozzle holding section has a first gas path connecting the air supply port disposed in the nozzle holding section and the orifice. The orifice has a third gas path for connecting a second gas path disposed between the inner nozzle and the outer nozzle, and the first gas path. In the vicinity of the tip of the nozzle unit, an opening connected to the second gas path is disposed.
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公开(公告)号：US09662786B2
公开(公告)日：2017-05-30
申请号：US14569957
申请日：2014-12-15
Inventor： Takashi Nagai , Kazunori Matsumoto , Wataru Takahashi
CPC classification number: B25J9/126 , B25J9/1674 , B25J18/00 , B25J19/0025 , B25J19/005 , B25J19/02 , Y10S901/23 , Y10S901/27 , Y10T74/20311
Abstract: An industrial robot of the present disclosure includes a manipulator, a control device for controlling the manipulator, and a connection cable that connects the manipulator to the control device. The manipulator includes a fixed base section, a first motor, a first detecting section, a power supply section, a first casing, and a first power supply cable. The first motor operates the manipulator. The first detecting section detects the state of the first motor. The power supply section supplies electric power to the first detecting section. The first casing stores the first motor and the first detecting section. The first power supply cable connects the first detecting section to the power supply section. The power supply section is disposed in the base section.
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