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公开(公告)号:US20210086350A1
公开(公告)日:2021-03-25
申请号:US17113668
申请日:2020-12-07
Applicant: NTN CORPORATION
Inventor: Kenzou NOSE , Hiroshi ISOBE
Abstract: In a link actuating device, a distal end side link hub is coupled to a proximal end side link hub via three or more link mechanisms. A posture control drive source configured to arbitrarily change the posture of the distal end side link hub is provided to each of two or more link mechanisms. The link actuating device includes a storage unit configured to store therein an operating position of the posture control drive source when the distal end side link hub is in a defined posture. In each of the two or more link mechanisms, a positioning portion is provided to at least one of the proximal side end link member, the distal side end link member, and the intermediate link member. A positioning member configured to position the distal end side link hub in the defined posture is dismountably mounted between a plurality of the positioning portions.
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公开(公告)号:US20190240903A1
公开(公告)日:2019-08-08
申请号:US16388409
申请日:2019-04-18
Applicant: NTN CORPORATION
Inventor: Hiroshi ISOBE , Katsunori Sone
IPC: B29C64/245 , B29C64/232 , B29C64/236 , B29C64/241 , B33Y30/00 , B33Y50/02 , B29C64/393
CPC classification number: B29C64/245 , B29C64/232 , B29C64/236 , B29C64/241 , B29C64/393 , B29C67/00 , B33Y30/00 , B33Y50/02
Abstract: A three-dimensional shaping device includes: a discharge head for discharging fluidic raw material through a nozzle; a shaping table on which a shaped product is to be molded; a linear motion mechanism; and a rotation unit. The linear motion mechanism moves the shaping table relative to the discharge head in three mutually orthogonal axial directions. The rotation unit tilts the shaping table relative to the discharge head. An operation of curing, on the shaping table, the raw material discharged through the nozzle is repeated while the relative position between the discharge head and the shaping table is being changed by the linear motion mechanism and the rotation unit, thereby molding a shaped product in which the cured raw material is stacked in layers.
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公开(公告)号:US20190111561A1
公开(公告)日:2019-04-18
申请号:US16217474
申请日:2018-12-12
Applicant: NTN CORPORATION
Inventor: Hiroshi ISOBE , Seigo Sakata , Yuuki Shimura
Abstract: A work device includes a work device body and a contact preventer. The work device body includes a linear motion unit having three degrees of freedom and a rotary unit having three degrees of freedom. An end effector is mounted on an output portion of the rotary unit. The contact preventer separates a working region in which the work device body is installed, from a non-working region outside the working region. The contact preventer includes: an entry allowing portion allowing an object to enter the working region therethrough; and an entry allowing portion entry detection sensor configured to detect entry of an object into the working region through the entry allowing portions.
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公开(公告)号:US20180236619A1
公开(公告)日:2018-08-23
申请号:US15751391
申请日:2016-08-09
Applicant: NTN CORPORATION
Inventor: Kenzou NOSE , Hiroshi ISOBE , Seigo SAKATA , Hiroyuki YAMADA
CPC classification number: B23Q1/44 , B23Q1/25 , B23Q1/5456 , B25J9/0048 , B25J9/0072 , B25J9/0096 , B25J11/00 , F16H21/48 , F16H21/54 , F16H25/2204
Abstract: A work apparatus includes a parallel link mechanism, a position control actuator, a linear motion mechanism, and a rotating mechanism. The parallel link mechanism includes three or more link mechanisms that couple a distal end side link hub to a proximal end side link hub such that a position of the distal end side link hub can be changed relative to the proximal end side link hub. The position control actuator operates the parallel link mechanism. The linear motion mechanism moves a working body in an axial direction orthogonal to a central axis of the proximal end side link hub. The rotating mechanism is mounted on the distal end side link hub and rotates a work object about a rotation center axis parallel to a movement direction of the linear motion mechanism when the central axis and a central axis are on the same line.
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公开(公告)号:US20180200848A1
公开(公告)日:2018-07-19
申请号:US15923083
申请日:2018-03-16
Applicant: NTN CORPORATION
Inventor: Hiroshi ISOBE , Hiroyuki YAMADA , Keisuke SONE
CPC classification number: B23P19/04 , B25J9/0048 , B25J9/1623 , Y10T29/49826 , Y10T29/53
Abstract: A link actuator includes a proximal end side link hub, a distal end side link hub, and link mechanisms which connect the distal end side link hub to the proximal end side link hub. Each of the link mechanisms includes a proximal side end link member, a distal side end link member, and an intermediate link member. Each of the proximal end side link hub and the distal end side link hub is provided with a through-hole which allows an origin positioning shaft to be inserted therethrough. The distal end posture of the link actuator is set to a specified posture by inserting the origin positioning shaft through the through-holes. An amount of operation of actuators in a state where preload is applied to the link actuator is set as a position of an origin of the actuator.
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公开(公告)号:US20160256998A1
公开(公告)日:2016-09-08
申请号:US15157014
申请日:2016-05-17
Applicant: NTN CORPORATION
Inventor: Hiroshi ISOBE , Seigo SAKATA , Hiroyuki YAMADA
CPC classification number: B25J9/0048 , B05B13/0431 , B23K9/12 , B23K9/127 , B23K31/02 , B23K37/0241 , B25J11/0075 , B25J15/0019 , F16H21/46 , G05G9/04737 , Y10S901/42
Abstract: This link actuation device includes: a proximal end side link hub; a distal end side link hub; and three or more link mechanisms which each couple the distal end side link hub to the proximal end side link hub. Each link mechanism includes: proximal side and distal side end link members, and an intermediate link member. The link mechanism is provided with an actuator which arbitrarily changes the posture of the distal end side link hub relative to the proximal end side link hub. A workpiece is disposed on the proximal end side link hub, and an end effector is disposed in the distal end side link hub so as to face inside of arrangement of the link hubs and perform work onto the workpiece.
Abstract translation: 该连杆致动装置包括:近端侧连接毂; 远端侧连接毂; 以及三个或更多个连杆机构,每个连杆机构将远端侧连接轮毂联接到近端侧连杆毂。 每个连杆机构包括:近端侧和远侧端连杆构件,以及中间连杆构件。 连杆机构设置有可以任意地改变前端侧连杆毂相对于基端侧连杆毂的姿态的致动器。 工件设置在基端侧连接轮毂上,端部执行器设置在远端侧连接轮毂中,以便面对连杆毂的布置的内侧并对工件进行加工。
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公开(公告)号:US20230286178A1
公开(公告)日:2023-09-14
申请号:US18198365
申请日:2023-05-17
Applicant: NTN CORPORATION
Inventor: Hiroshi ISOBE , Jun MIDOUMAE , Masaki KAGAMI
CPC classification number: B25J17/0283 , F16H37/12 , G01N21/88
Abstract: An operation device including a combination of a rotation unit and a linear motion unit. The rotation unit includes a link actuation apparatus and a rotation actuator. The link actuation apparatus includes a proximal end side-link hub, and a distal end side-link hub coupled thereto through three or more link mechanisms so as to enable a varying attitude relative thereto. The link actuation apparatus is mounted to an output shaft of the rotation actuator such that a central axis of the proximal end side-link hub forms an angle relative to an axis of rotation of the rotation actuator. The linear motion unit includes a linear actuator serving as an output portion thereof, and the rotation unit is mounted to this linear actuator.
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公开(公告)号:US20190152046A1
公开(公告)日:2019-05-23
申请号:US16204777
申请日:2018-11-29
Applicant: NTN CORPORATION
Inventor: Naoya KONAGAI , Hiroshi ISOBE
Abstract: A working device (1) using a parallel link mechanism includes: a parallel link mechanism (10) by which end effectors (4, 5) are supported so as to be changeable in posture; and posture-controlling actuators (11) which actuate the parallel link mechanism (10). In the parallel link mechanism (10), a distal-end-side link hub (13) is connected to a proximal-end-side link hub (12) via three or more link mechanisms (14) so as to be changeable in posture of the distal-end-side link hub (13) relative to the proximal-end-side link hub (12). The end effectors (4, 5) are mounted to the distal-end-side link hub (12), and includes one main end effector (4) which performs a main work on a workpiece (3) and one or multiple sub end effectors (5) which perform an auxiliary work on the workpiece (3).
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公开(公告)号:US20190099878A1
公开(公告)日:2019-04-04
申请号:US16208061
申请日:2018-12-03
Applicant: NTN CORPORATION
Inventor: Naoki MARUI , Hiroshi ISOBE , Seigo SAKATA
Abstract: In a link actuation device, a distal end side link hub is coupled to a proximal end side link hub via three or more link mechanisms such that a posture of the distal end side link hub can be changed relative to the proximal end side link hub, and a posture of the distal end side link hub relative to the proximal end side link hub is arbitrarily changed by actuators provided to two or more link mechanisms. The manipulating device includes a posture acquirer for acquiring a distal end posture represented by a bending angle and a turning angle, from a coordinate position at which a distal end side spherical link center is projected onto a two-dimensional rectangular coordinate system that has an origin located on an extension of an axis of the proximal end side link hub and is orthogonal to the extension of the axis.
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公开(公告)号:US20160256952A1
公开(公告)日:2016-09-08
申请号:US15155577
申请日:2016-05-16
Applicant: NTN CORPORATION
Inventor: Hiroshi ISOBE , Seigo Sakata , Yukihiro Nishio , Hiroyuki Yamada
CPC classification number: B23K9/287 , B23K9/007 , B23K26/0884 , B23K37/0241
Abstract: Automatic welding machine includes: a welding torch mounted to a link actuation device set on a mount; and a one-or-more-axes linear motion actuator which causes the link actuation device to advance and retract relative to the mount. The link actuation device includes: a proximal end side link hub disposed on the mount; a distal end side link hub to which the welding torch is mounted; and three or more link mechanisms configured to couple the distal end side link hub to the proximal end side link hub. Each link mechanism includes proximal side and distal side end link members and an intermediate link member. Two or more link mechanisms are each provided with a posture changing actuator which arbitrarily changes the posture of the distal end side link hub relative to the proximal end side link hub.
Abstract translation: 自动焊接机包括:安装在设置在安装座上的连杆致动装置上的焊枪; 以及一个或多个轴线的直线运动致动器,其使链接致动装置相对于支架前进和缩回。 所述连杆致动装置包括:设置在所述支架上的近端侧连杆毂; 安装有焊炬的远端侧连接毂; 以及三个或更多个连杆机构,其构造成将远端侧连杆毂联接到近端侧连杆毂。 每个连杆机构包括近端侧和远端侧连杆构件以及中间连杆构件。 两个或更多个连杆机构分别设置有姿势改变致动器,该致动器随意地改变远侧侧连杆毂相对于近端侧连杆毂的姿态。
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