公开(公告)号：US20230140740A1

公开(公告)日：2023-05-04

申请号：US17910473

申请日：2021-04-02

Applicant: FANUC CORPORATION

Inventor： Youhei Kanazawa ,  Naoki Akagawa

IPC: B65H7/12 ,  B25J15/06 ,  B65H3/14

Abstract: This hand system comprises: a suction pad that sucks a conductive workpiece by fluid effect; at least three electrodes that are arranged on the suction pad; and an electrical characteristics measuring device that measures the electrical characteristics of an electrical circuit formed by the contact between any two of the electrodes and the workpiece.

公开(公告)号：US09751172B2

公开(公告)日：2017-09-05

申请号：US14952084

申请日：2015-11-25

Applicant: FANUC CORPORATION

Inventor： Yoshiaki Dohi ,  Naoki Akagawa

IPC: B23Q3/08 ,  B23Q1/52 ,  B23Q3/06

CPC classification number: B23Q3/082 ,  B23Q1/525 ,  B23Q3/069

Abstract: The workpiece fastening device of the present invention comprises a table on which a workpiece is placed, an arm which can move so as to press a workpiece on the table against the table, and a drive part which drives the arm. The arm of the workpiece fastening device comprises a connection member which is connected to the drive part, and a rotary member which is attached to the connection member to be able to rotate about a rotation axis which extends in a direction intersecting with a movement direction of the arm. The rotary member of the arm has first and second pressing parts which are arranged at the opposite sides of the rotation axis and presses a workpiece on the table against the table by the first and second pressing parts.

公开(公告)号：US12162718B2

公开(公告)日：2024-12-10

申请号：US17910473

申请日：2021-04-02

Applicant: FANUC CORPORATION

Inventor： Youhei Kanazawa ,  Naoki Akagawa

IPC: B65H7/12 ,  B25J15/06 ,  B65H3/14

Abstract: This hand system comprises: a suction pad that sucks a conductive workpiece by fluid effect; at least three electrodes that are arranged on the suction pad; and an electrical characteristics measuring device that measures the electrical characteristics of an electrical circuit formed by the contact between any two of the electrodes and the workpiece.

公开(公告)号：US20180297162A1

公开(公告)日：2018-10-18

申请号：US15951296

申请日：2018-04-12

Applicant: FANUC CORPORATION

Inventor： Yoshiaki Dohi ,  Naoki Akagawa

IPC: B23Q11/10 ,  B23Q3/12 ,  B23Q5/04 ,  B23B31/20 ,  B23B31/36

CPC classification number: B23Q11/1023 ,  B23B31/003 ,  B23B31/02 ,  B23B31/20 ,  B23B31/201 ,  B23B31/36 ,  B23B2231/24 ,  B23B2270/04 ,  B23B2270/09 ,  B23B2270/24 ,  B23Q3/12 ,  B23Q3/157 ,  B23Q5/04 ,  B23Q11/0075 ,  B23Q2003/155411 ,  Y10T279/17111 ,  Y10T279/17529 ,  Y10T279/3481 ,  Y10T408/455 ,  Y10T409/304032 ,  Y10T409/309408 ,  Y10T409/30952 ,  Y10T483/15 ,  Y10T483/1733

Abstract: A cutting tool holding mechanism for detachably holding a cutting tool includes: a collet chuck configured to clamp and unclamp the cutting tool; a piston disposed deeper on the proximal side of the spindle than the collet chuck and configured to urge the collet chuck by the pressure of a fluid supplied from the proximal side of the spindle in the direction from the proximal side toward the distal end side of the spindle so that the collet chuck unclamps the cutting tool; a spool valve provided in the piston and configured to open thanks to centrifugal force at the time when the spindle is turned, so as to supply the fluid fed from the spindle side to the cutting tool.

公开(公告)号：US10766078B2

公开(公告)日：2020-09-08

申请号：US16054083

申请日：2018-08-03

Applicant: FANUC CORPORATION

Inventor： Kyouhei Asao ,  Naoki Akagawa

IPC: B25J15/08 ,  B23B31/20

Abstract: A workpiece picking device configured to pick up plate-like or pillar-shaped workpieces one at a time from the top of the workpieces stacked in the vertical direction, the workpiece picking device including: a chuck including a plurality of gripping claws arranged around the topmost workpiece and configured to grip a side surface of the topmost workpiece, and movable in a vertical direction, and a separator provided inside at least one of the gripping claws, and configured to separate the topmost workpiece gripped by the plurality of gripping claws from the second workpiece, the separator including a pressing part configured to be projectable downwardly from the at least one of the gripping claws toward the second workpiece, and a driving part configured to press the pressing part against the second workpiece by moving the pressing part toward the second workpiece.

公开(公告)号：US10421169B2

公开(公告)日：2019-09-24

申请号：US15951296

申请日：2018-04-12

Applicant: FANUC CORPORATION

Inventor： Yoshiaki Dohi ,  Naoki Akagawa

IPC: B23Q3/157 ,  B23Q11/10 ,  B23B31/20 ,  B23B31/24 ,  B23Q3/12 ,  B23B31/36 ,  B23Q5/04 ,  B23B31/00 ,  B23B31/02 ,  B23Q11/00 ,  B23Q3/155

Abstract: A cutting tool holding mechanism for detachably holding a cutting tool includes: a collet chuck configured to clamp and unclamp the cutting tool; a piston disposed deeper on the proximal side of the spindle than the collet chuck and configured to urge the collet chuck by the pressure of a fluid supplied from the proximal side of the spindle in the direction from the proximal side toward the distal end side of the spindle so that the collet chuck unclamps the cutting tool; a spool valve provided in the piston and configured to open thanks to centrifugal force at the time when the spindle is turned, so as to supply the fluid fed from the spindle side to the cutting tool.

公开(公告)号：US11077563B2

公开(公告)日：2021-08-03

申请号：US16054128

申请日：2018-08-03

Applicant: FANUC CORPORATION

Inventor： Kyouhei Asao ,  Naoki Akagawa

IPC: B25J15/04 ,  B25J15/08 ,  B23Q7/04 ,  B25J9/16 ,  B65H3/06 ,  B65H3/48

Abstract: A picking device for picking up plate-like or pillar-shaped workpieces one at a time from the top of the workpieces stacked in the vertical direction, the workpiece picking device including: a chuck including a plurality of gripping claws arranged around a topmost workpiece, the plurality of gripping claws configured to grip a side surface of the topmost workpiece, the chuck being movable in a vertical direction; and an air blowing circuit provided inside at least one of the gripping claws, including a blowing port having an opening toward a second workpiece, the air blowing circuit configured to blow air downward from the blowing port.

公开(公告)号：US10343854B2

公开(公告)日：2019-07-09

申请号：US15659713

申请日：2017-07-26

Applicant: FANUC CORPORATION

Inventor： Keisuke Kunihiro ,  Naoki Akagawa

IPC: B23Q3/08 ,  B23Q7/04 ,  B23Q7/14 ,  B65D19/38 ,  B65G47/90 ,  B25J15/08 ,  B25B5/00 ,  B23Q1/00 ,  B25B5/06 ,  B23Q3/06 ,  B25B5/16

Abstract: A pallet device which can prevent a hook fixed to a pallet from interfering with a workpiece or a tool for a machine tool. The pallet device includes a pallet including a pallet main body which clamps a workpiece, and a replacement hook movably provided in the pallet main body, the replacement hook being movable between a projection position at which the replacement hook projects outside the pallet main body and a retraction position to which the replacement hook is retracted from the projection position to the pallet main body, and a jig to and from which the pallet is attached and detached.

公开(公告)号：US20150209926A1

公开(公告)日：2015-07-30

申请号：US14606235

申请日：2015-01-27

Applicant: FANUC CORPORATION

Inventor： Naoki Akagawa

IPC: B23Q3/18

CPC classification number: B23Q3/186 ,  B23Q3/062 ,  B23Q16/004 ,  B25B5/003 ,  B25B5/04

Abstract: A workpiece positioning device (1) includes a first positioning block (Bx) positioning one surface of a workpiece at a first reference surface in a first direction, two second positioning blocks (By1, By2) positioning a different surface of the workpiece at a second reference surface in a second direction, seat blocks (Bz1, Bz2, Bz3) positioning the workpiece in a third direction perpendicular to the first direction and the second direction, a push cylinder (30) pressing the workpiece in one direction toward an intersection line between the first and the second reference surface, a first unit (10) contacting with the one surface of the workpiece and correcting a posture of the workpiece before the first positioning block contacts with the workpiece, and a second unit (20) contacting with the different surface of the workpiece and correcting the posture of the workpiece before the second positioning blocks contact with the workpiece.

Abstract translation: 工件定位装置（1）包括：第一定位块（Bx），其在第一方向上的第一参考表面处定位工件的一个表面;两个第二定位块（By1，By2）将工件的不同表面定位在第二方向 在第二方向上的参考表面，在垂直于第一方向和第二方向的第三方向上定位工件的座椅块（Bz1，Bz2，Bz3），推动缸（30）沿着一个方向朝着相对于第 第一和第二参考表面，与工件的一个表面接触并在第一定位块与工件接触之前修正工件的姿势的第一单元（10）和与不同的第二单元接触的第二单元（20） 在第二定位块与工件接触之前校正工件的姿态。

公开(公告)号：US10363611B2

公开(公告)日：2019-07-30

申请号：US15377151

申请日：2016-12-13

Applicant: FANUC CORPORATION

Inventor： Naoki Akagawa

IPC: B23B41/00 ,  B23B43/02 ,  B23B3/24 ,  B23B51/10 ,  B23Q3/06

Abstract: A rotation tool is mounted to a spindle of a machine tool. The rotation tool comprises a cutter holding portion to which blade portion is fixed and a fixing device which fixes a workpiece. The blade portion is disposed at a tip end of the cutter holding portion. The fixing device includes a movement portion formed to be movable in the interior of the cutter holding portion and a pressing device which presses the movement portion to a side toward the workpiece. The fixing device includes a shaft portion rotatably supported relative to the movement portion and a pressing portion which presses the workpiece.