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公开(公告)号：EP4238678A1
公开(公告)日：2023-09-06
申请号：EP21886112.8
申请日：2021-10-25
发明人： NISHIMIYA, Tamio
摘要： According to one aspect of the present invention, provided is an automatic jig replacement system capable of automatically replacing a jig which is mounted to a mounting position of a machine tool by tightening/loosening a bolt. This automatic jig replacement system comprises a detection device, a robot, a bolt tightening/loosening device, and a control device. The detection device is configured to be capable of detecting a predetermined part of a jig. The robot is configured to be capable of conveying the jig. The bolt tightening/loosening device is configured to be capable of tightening/loosening a bolt for securing the jig. The control device determines a bolt tightening/loosening position, on the basis of a result of detecting the predetermined part by the detection device. The robot is caused to unload the jig from the mounting position, or to load the jig to the mounting position. The bolt tightening/loosening device is moved to the bolt tightening/loosening position, and is caused to tighten or loosen the bolt.
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公开(公告)号：EP3900873A1
公开(公告)日：2021-10-27
申请号：EP19910356.5
申请日：2019-01-17
发明人： NISHIMIYA, Tamio
摘要： A pallet clamp includes a clamp receiver 110 and a clamp 130. The clamp receiver 110 has an abutted surface 111 with serrations, whereas the clamp 130 has an abutting surface 132 with serrations. The clamp receiver 110 has both of a pressed surface 180 and a counter pressed surface 181 which face in directions perpendicular to the direction along the extension of the serrations. A biasing means 150 press-fits the clamp receiver 110 and the clamp 130 to each other so that the abutting surface 132 and the abutted surface 111 come into tight contact with each other, which causes the pressed surface 180 and the counter pressed surface 181 to be pressed in opposite directions.
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公开(公告)号：EP3401041B1
公开(公告)日：2020-01-01
申请号：EP17750032.9
申请日：2017-01-17
发明人： NISHIMIYA Tamio
IPC分类号： B23B31/16 , B23B31/177
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公开(公告)号：EP3546096A1
公开(公告)日：2019-10-02
申请号：EP17873483.6
申请日：2017-11-24
发明人： MASATSUGU, Naoyuki , NAKAMURA, Toshihito , NISHIMIYA, Tamio , YAMAGUCHI, Youji , ISHIKAWA, Shuya , HIRATA, Yuichi , MIKAMI, Masanobu , OKA, Yujiro
IPC分类号： B23B31/18
摘要： The present invention provides an inexpensive chuck device that can achieve both a stable gripping operation and a high degree of accuracy in gripping and can also reduce limitations in the gripping of a workpiece. According to the present invention, a chuck device is provided, the chuck device being characterized by comprising a chuck main body and a master jaw, wherein the chuck main body has an oscillation supporting hole, and the oscillation supporting holes are rotatably provided in plurality around a rotational axis of the chuck main body, and wherein the master jaw has a top jaw detachably provided on one end thereof, and is fitted into the oscillation supporting hole while maintaining surface contact therewith to enable sliding contact.
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5.发明公开Coupling mechanisms for rotary fluid cylinders 失效KupplungsmechanismusfürdrehendeFlüssigkeitszylinder。
公开(公告)号：EP0480084A1
公开(公告)日：1992-04-15
申请号：EP90119337.5
申请日：1990-10-09
发明人： Ohta, Koziro c/o Kitagawa Iron Works Co.,Ltd. , Kurogi, Yoshihito c/o Ktiagawa Iron Works Co.Ltd. , Suzuki, Yasuo c/o Kitagawa Iron Works Co.,Ltd.
IPC分类号： B23B31/30
CPC分类号： B23B31/302 , Y10T137/86268 , Y10T137/86276
摘要： A coupling mechanism for a rotary fluid cylinder which comprises a rotary member (1) and a fluid feeding member (8) concentrically mounted on said rotary member (1), at least one fluid passage (13, 14) being formed for supplying fluid from the fluid feeding member (8) to the rotary member (1) even while the rotary member (1) is rotating. The coupling mechanism comprises pair of rolling bearings (27, 28) interposed between the fluid feeding member (8) and the rotary member (1) at the respective extreme ends of the fluid feeding member (8) so as to allow relative rotation of the rotary member (1) with respect to the fluid feeding member (8). A biasing member (29) for applying a predetermined pre-load to the respective rolling bearing (28) is employed. The applied load acts on the rolling bearings (27, 28) in such a manner that the rolling bearings (27, 28) are biased to move away from each other in their axial direction.
摘要翻译： 一种用于旋转液体缸的联接机构，其包括同心地安装在所述旋转构件（1）上的旋转构件（1）和流体供给构件（8），形成有至少一个流体通道（13,14） 即使旋转构件（1）旋转，流体供给构件（8）到旋转构件（1）。 联接机构包括在流体供给构件（8）的各个末端介于流体供给构件（8）和旋转构件（1）之间的一对滚动轴承（27,28），以允许 旋转构件（1）相对于流体供给构件（8）。 采用用于对各个滚动轴承（28）施加预定预载荷的偏置构件（29）。 所施加的载荷作用在滚动轴承（27,28）上，使得滚动轴承（27,28）被偏压以在其轴向方向上彼此远离。
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公开(公告)号：EP3623086A1
公开(公告)日：2020-03-18
申请号：EP18797539.6
申请日：2018-04-18
发明人： NISHIMIYA Tamio
IPC分类号： B23B31/16
摘要： A chuck mechanism of the present invention includes multiple master jaws (11) placed movably in a radial direction on a front surface of a chuck body (10), and top jaws (12) each detachably attached to front surfaces of the top jaws. Each master jaw and each top jaw have a raised portion (11A) and a recessed portion (12A) engageable with each other. Each of the raised and recessed portions has conical surfaces formed by part of a conical body. Each top jaw has a gripping surface (13) formed by part of a circular columnar body. Upon work gripping, the center axes of the conical surfaces (11a, 12a) on a gripping side among the conical surfaces (11a, 11b, 12a, 12b) of each master jaw and each top jaw and the center axis of the gripping surface (13) are all coincident with a rotation axis (J) of the chuck body.
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公开(公告)号：EP3450067A1
公开(公告)日：2019-03-06
申请号：EP17802859.3
申请日：2017-05-25
发明人： NISHIMIYA Tamio
IPC分类号： B23B31/177
摘要： An inner circumferential surface of a chuck body (2) has three fitting recesses (22) curved as viewed from a rotational axis (C1). An outward elastic deformation that occurs, through gripping of a work (W1) with top jaws (5), at portions of a plunger (3) which correspond to slide holes (31a) causes the portions deformed by the elastic deformation to slide on the respective recessed portions (22) so that the plunger (3) is moved to cause a symmetry axis (Y1) of the slide hole (31a) to coincide with a symmetry axis (Y2) of a guide groove (25) of the chuck body (2).
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公开(公告)号：EP3401041A1
公开(公告)日：2018-11-14
申请号：EP17750032.9
申请日：2017-01-17
发明人： NISHIMIYA Tamio
IPC分类号： B23B31/16
摘要： Provided is a retracting chuck that does not rattle even though a moving body can be operated axially, and that enables turning in which the grasp accuracy is increase and vibration and chatter are inhibited. The retracting chuck (100) is provided with: a body (1) comprising a rear body (2) disposed on the axial rear side and a moving body (3) disposed on the axial front side; a plunger (8) moving axially in the body (1); and a master jaw (6) which engages with the plunger (8) and which is caused by a wedge action to move in the radial direction by a slot (3a) provided to the moving body (3). The moving body (3) moves axially relative to the rear body (2). In the rear body (2), a plate spring (11) is disposed in a bridging manner between seats (2a) provided at a distance from each other, and the plate spring (11) is fastened by a bolt (13) to each of the seats (2a). Between the seats (2a), the plate spring (11) is fastened by a bolt (16) to a seat (3b) of the moving body (3)
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公开(公告)号：EP3936266A1
公开(公告)日：2022-01-12
申请号：EP20767355.9
申请日：2020-02-28
发明人： NISHIMIYA Tamio
摘要： [Problem] To provide a structure capable of reducing the risk of human error when reproducing the relative positions of two portions as in the past.
[Solution] According to one aspect of the present invention, there is provided a structure, comprising: first and second portions respectively having a serration in which peaks and valleys are continuous, and configured to adjust relative positions of the first and second portions in an adjustment direction by interlocking the peaks and valleys with each other, wherein the adjustment direction is a direction in which the peaks and valleys of the serration are continuous; a fixing portion configured to maintain a defined state, wherein the defined state is a state in which the peaks and valleys are interlocked with each other and the relative positions of the first and second portions are fixed; and a positioning mechanism provided on the second portion or the fixing portion, and having a contact portion configured to contact the first portion in the defined state.-
公开(公告)号：EP3513917A1
公开(公告)日：2019-07-24
申请号：EP17858463.7
申请日：2017-10-05
发明人： OTSUKA, Makoto , FUJII, Shuuji
摘要： The present invention provides a compact and low-cost gripper which allows an outside diameter of a piston to be increased. Provided is a gripper comprising: a body case having, at one end, a cylinder part having a cylinder chamber which houses a piston so as to slide the piston along a central axis of the piston, and having, at the other end, a plurality of guide parts formed at regular intervals around the center axis and extending in a direction orthogonal to the center axis; a plurality of master jaws, on which top jaws can be removably mounted, guided by each of the guide parts; and a plunger having a plurality of interconnecting means which are respectively interconnected with each of the master jaws and slides along the central axis associated with a sliding operation of the piston, wherein: the gripper is configured such that each of the interconnecting means moves, by a sliding operation of the plunger, each of the master jaws in either direction along each of the guide parts, so as to cause each of the top jaws to grip a workpiece or to release the gripped workpiece; the body case has a first case which is provided on one side of the central axis and formed so that the cylinder chamber opens to the other side of the central axis, and a second case which is provided on the other side of the central axis and has each of the guide parts; and the second case is fixed to the first case so as to cover an opening of the first case on a side of the second case.
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