公开(公告)号：JP2010137324A

公开(公告)日：2010-06-24

申请号：JP2008315741

申请日：2008-12-11

Applicant: Komatsu Ntc Ltd ,  Toyota Motor Corp ,  コマツNtc株式会社 ,  トヨタ自動車株式会社

Inventor： HAYASHI JUNICHI ,  KUBO TAKEHIRO ,  SANO MASAKAZU ,  KUMAZAWA TADASHI

IPC: B23Q3/18 ,  B23Q3/06

Abstract: PROBLEM TO BE SOLVED: To provide a centering apparatus which sets the center of a workpiece only by grasping the outer periphery of the workpiece, and thereby has a simplified configuration. SOLUTION: A pair of first grasping members 23a and 23b which grasp the outer periphery of a workpiece W in two positions 180 degrees away from each other in the peripheral direction are provided. Also provided are a pair of second grasping members 24a and 24b which are in two positions 180 degrees away from each other in the outer peripheral direction of the workpiece W, and grasp the workpiece W in different positions from those where the first grasping members 23a and 23b grasp it. The first and second grasping members 23a, 23b, 24a and 24b are opened and closed by a single air cylinder 25 via a transmission mechanism 26. An allowance mechanism 27A which allows a difference in operation amount between the first grasping members 23a and 23b, and the second grasping members 24a and 24b, is provided in the transmission mechanism 26. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种通过抓住工件的外周来设定工件的中心的定心装置，从而具有简化的构造。 解决方案：设置一对第一把持构件23a和23b，该一对第一把持构件23a和23b在周向上彼此夹着两个位置夹住工件W的外周。 另外还设置有一对第二把持构件24a，24b，它们在工件W的外周方向上彼此成180度的两个位置，并且将工件W与第一把持构件23a和 23b掌握它 第一和第二抓持构件23a，23b，24a和24b通过传动机构26由单个气缸25打开和关闭。允许第一把持构件23a和23b之间的操作量差异的允许机构27A和 第二把持件24a和24b设置在传动机构26中。版权所有（C）2010，JPO＆INPIT

公开(公告)号：JPH0526772A

公开(公告)日：1993-02-02

申请号：JP20393091

申请日：1991-07-18

Applicant: TOYOTA MOTOR CORP

Inventor： ITO YUICHI ,  SHIRAI YOSHINORI ,  ABE SHINPEI ,  ISHIKAWA SHUNICHI ,  KUMAZAWA TADASHI ,  YAMADA TOSHIHIRO

IPC: G01M13/02

Abstract: PURPOSE:To easily measure the backlash of a gear at a plurality of places. CONSTITUTION:The respective chucks 190, 270 of a moment imparting device 80 and an angle detector 82 slightly fall from the axial line of a first balance shaft 24 by the descent of a lift table 56 and, after the first balance shaft 24 is grasped, a lift table 130 descends with respect to the lift table 56 and shaking plates 174, 264 become a shakable state. A wt. is alternately placed on both end parts of the shaking plate 174 in such a state that a crank shaft is fixed by a fixing device and the displacement of a detection body 300 accompanied by the revolution of the shaking plate 264 at this time is detected by a magnet scale 304 to calculate backlash. A gear is rotated by rotating the crank shaft by a rotary driver and the backlash of the gear is measured at a plurality of places.

公开(公告)号：JP2008120564A

公开(公告)日：2008-05-29

申请号：JP2006308508

申请日：2006-11-15

Applicant: Daido Corp ,  Nic Autotec Inc ,  Toyota Motor Corp ,  エヌアイシ・オートテック株式会社 ,  ダイドー株式会社 ,  トヨタ自動車株式会社

Inventor： NAKAJIMA KIYOSHI ,  YOKOTA JUNJI ,  KUMAZAWA TADASHI ,  NISHIO KANEO

IPC: B65G47/248 ,  B65G47/30

Abstract: PROBLEM TO BE SOLVED: To provide a pallet conveying device having a simple constitution which is unnecessary for transferring a pallet, and efficiently installed at low cost. SOLUTION: The pallet conveying device comprises a bendable pallet 14 with a work 12 placed thereon, and a conveyor 16 having a conveying belt 20 stretched between a pair of gears 22 for the conveyor, and also comprises a pair of pallet transfer gears 24 which is coaxially provided with the pair of gears 22 for conveyor in an integrally rotatable manner, and sends the pallet 12 to the vertically opposite side of the conveyor 16. The pallet conveying device has a pair of guide members 26 which are arranged along each gear 22 for conveyor at both ends of the conveyor 16, support the pallet 12 engaged with a pallet transfer gear 24 and guide the transfer of the pallet 14, and further comprises a return conveyor 18 which is juxtaposed parallel to and below the conveyor 16, provided with the pallet 12 sent by the pallet transfer gears 24 on the downstream side of the conveyor 16, and returns the pallet 12 to the upstream side position of the conveyor 16. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种托盘输送装置，其具有不需要用于传送托盘的简单结构，并且以低成本高效地安装。 解决方案：托盘输送装置包括其上放置有工件12的可弯曲托盘14和传送带16，传送带16在输送机的一对齿轮22之间延伸，并且还包括一对托盘传送齿轮 24，其同轴地设置有用于输送机的一对齿轮22，并且将托盘12发送到输送机16的垂直相对侧。托盘输送装置具有一对引导构件26，每个引导构件26沿着每个 用于输送机16两端输送机的齿轮22支撑托盘12与托盘传送齿轮24接合并引导托盘14的传送，并且还包括平行于输送机16和下方并置的返回传送器18， 设置有由托盘传送齿轮24在输送机16的下游侧发送的托盘12，并将托盘12返回到输送机16的上游侧位置。（C）2008年，JPO和INPIT

公开(公告)号：JPH11333664A

公开(公告)日：1999-12-07

申请号：JP13998398

申请日：1998-05-21

Applicant: TOYODA MACHINE WORKS LTD ,  TOYOTA MOTOR CORP

Inventor： MUKAI RYOHEI ,  ONO NAOTO ,  KOBAYASHI YASUNORI ,  KUMAZAWA TADASHI ,  SATO MASAAKI ,  KUBO YUJI

IPC: B23Q11/10

Abstract: PROBLEM TO BE SOLVED: To simplify and facilitate setting of the injection position of the cold air injection means of a cold air cooling processing device. SOLUTION: A work is processed by a tool T arranged at a tool bed 20, cold air from a cold air injecting means 32 is injected against a processing point for cooling. A temperature detecting means S is provided to detect the temperature of cold air at a processing point of in the vicinity thereof and the injection position of the cold air injecting means 32 is changed such that a detected cold air temperature is reduced to a minimum or a given value. In stead of a work, a measuring jig J in the same shape as that of the work is attached. The temperature detecting means 2 preferably detects the temperature of cold air passing through the vicinity of a portion corresponding to the processing point of the measuring jig. The temperature detecting means S does not detect the temperature of cold air but detects the temperature of the vicinity of the processing point of the processed work, and the injection position of the cold air injection means 32 may be changed so that the temperature is reduced to a minimum or a given value.

公开(公告)号：JP2007130715A

公开(公告)日：2007-05-31

申请号：JP2005325435

申请日：2005-11-09

Applicant: Jtekt Corp ,  Toyota Motor Corp ,  トヨタ自動車株式会社 ,  株式会社ジェイテクト

Inventor： IDO MASAHIRO ,  YOKOTA JUNJI ,  KUMAZAWA TADASHI

IPC: B23B31/02 ,  B23B31/20

Abstract: PROBLEM TO BE SOLVED: To provide a collet chuck device facilitating a set up change accompanied by the change of a workpiece by assembling a centering support member and a collet sleeve in a state of being centered.
SOLUTION: The collet chuck device is equipped with the centering support member 26 into which a center 28 is fitted, a centering fitted surface 26a fitted to a fitting part (spigot joint part) 25 formed on a spindle 13 is provided on the centering member 26, the centering member and a second collet sleeve 31 holding a workpiece W are centered and integrally joined to compose a sub assembly. The centering member and the second collet sleeve to be sub-assembled are detachably mounted to the spindle according to the kind of the workpieces.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供一种夹头卡盘装置，其通过以居中的状态组装定心支撑构件和夹头套筒来促进伴随工件变化的设置变化。 解决方案：夹头卡盘装置配备有安装有中心28的定心支撑构件26，安装在形成在心轴13上的装配部（插接部））25上的定心装配表面26a设置在 定心构件26，定心构件和夹持工件W的第二夹头套筒31居中并整体连接以构成子组件。 要组装的定心构件和第二夹头套筒可根据工件的种类可拆卸地安装到心轴。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JPH10244435A

公开(公告)日：1998-09-14

申请号：JP6022997

申请日：1997-02-28

Applicant: NACHI FUJIKOSHI CORP ,  TOYOTA MOTOR CORP

Inventor： KUMAZAWA TADASHI ,  FUJII HIROSHI ,  HAYASHI HIROAKI

IPC: B23Q7/04

Abstract: PROBLEM TO BE SOLVED: To provide a jig stage changing device driven by a triaxial NC finishing machine, which eliminates a need for preparing each exclusive pawl every kind of an axial article work, and also eliminates a need for making the clamping position of the axial article work common, and having an exclusive pallet jig every kind of a work where these needs are considered to be a cause of lowering the operating rate of the finishing machine. SOLUTION: A work carrying device 2 allows a shank part 5 which is fitted in and held by the tool mounting hole 10 at the tip end part 15 of a spindle 1 for a finishing machine 20, and furthermore, is connected with a driving shaft 51, to rotate a screw shaft 9 by way of a driving bevel gear 7 and a driven bevel gear 8, and also to move paired carrying pawls 35 and 36. Or a jig stage changing device allows a clutching tool mounted onto the spindle to rotate a spline shaft disposed over to the jig stage changing device, and to move paired temporary receivers on which the two shaft parts 31 and 32 of the axial particle works 30 fixed to their respective slide parts.

公开(公告)号：JPH10244433A

公开(公告)日：1998-09-14

申请号：JP6022897

申请日：1997-02-28

Applicant: NACHI FUJIKOSHI CORP ,  TOYOTA MOTOR CORP

Inventor： FUJII HIROSHI ,  KUMAZAWA TADASHI

IPC: B23Q3/157

Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive and handy cutting edge tool exchanging system for a general-purpose triaxial NC finishing machine, which can additionally incorporate a system into an existing general-purpose triaxial NC finishing machine not as an exclusive machine tool, and does not require complex and expensive three sets of slides. SOLUTION: This exchanging system is provided with a tool mounting/ demounting part 1 formed out of an unused tool housing part which is additionally provided while being adjacent to a finishing machine, and houses at least one unused tool, and of an used tool housing part, and the tool mounting/ demounting part 1 is to be capable of being moved between a tool mounting/ demounting position 1a capable of housing an used tool 2a by a spindle 7 in the used tool housing part, and mounting an unused tool onto the finishing machine by a tool exchanging device 10 while the finishing machine is in operation, and a position out of the operation of the finishing machine which removes the used tool 2a, and mounts a new unused tool onto the unused tool housing part.

公开(公告)号：JPH1071518A

公开(公告)日：1998-03-17

申请号：JP22986896

申请日：1996-08-30

Applicant: TOYOTA MOTOR CORP ,  KOMATSU KOKI KK

Inventor： KUMAZAWA TADASHI ,  SHIMOMURA MASUMI

IPC: B23C3/06

Abstract: PROBLEM TO BE SOLVED: To machine all journals and pins with one crank shaft miller for improving productivity. SOLUTION: A crank shaft is machined in such a way that both ends of a workpiece 3 to be machined are clumped by chucks 4, and the journals 3a and pins 3b of the work piece 3 are cut by a rotary cutter 5e through a plurality of processes. In this case, a phasing claw 4b is provided in a chuck 4, and the phase position of the workpiece 3 is positioned by this phasing claw, and then the workpiece 3 is clamped, and then the journals 3a and the pins of the workpiece 3 are machined with the rotary cuter 5e through a plurality of processes, and after the machining of all journals 3a except for a first journal J1 at a position where the phasing claw 4b and the cutter 5e interferes with each other and pins 3b, the chucks 4 having a phasing claws 4b is unclamped. Then, the workpiece 3 is retreated to a position where the phasing claw 4b does not interfere with the cutter 5e, and the workpiece 3 is clamped once again at the position, and then the first journal J1 is cut.

公开(公告)号：JP2010000569A

公开(公告)日：2010-01-07

申请号：JP2008161301

申请日：2008-06-20

Applicant: Jtekt Corp ,  Toyota Motor Corp ,  トヨタ自動車株式会社 ,  株式会社ジェイテクト

Inventor： YOKOTA JUNJI ,  KUMAZAWA TADASHI ,  YAMAGUCHI TOMOHITO

IPC: B24D5/06 ,  B24B45/00

Abstract: PROBLEM TO BE SOLVED: To provide a grinder which can form round surfaces of at least two patterns on a workpiece.
SOLUTION: The grinder 2 is formed of grinding members 102, 202. The grinding member 102 is formed of a plurality of segments 120, and the grinding member 202 is formed of a plurality of segments 220. Each segment 120 has a grinding surface 140 and a D1-side round surface 130, and each segment 220 has a grinding surface 240 and a D1-side round surface 230. The grinding members 102, 202 are relatively movable so as to assume a first locational relationship in which the workpiece can be ground by the D1-side round surface 130, and a second locational relationship in which the workpiece can be ground by the D2-side round surface 230. Thus the grinder can form the round surfaces of the two patterns on the workpiece.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够在工件上形成至少两种图案的圆形表面的研磨机。 研磨机构2由研磨部件102,202形成。研磨部件102由多个部分120形成，研磨部件202由多个部分220形成。每个部分120具有磨削 表面140和D1侧圆形表面130，并且每个段220具有研磨表面240和D1侧圆形表面230.研磨构件102,202可相对移动，以便呈现第一位置关系，其中工件 可以通过D1侧圆面130进行研磨，第二位置关系可以通过D2侧圆面230研磨。因此，研磨机可以在工件上形成两个图案的圆形表面。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JPH11188627A

公开(公告)日：1999-07-13

申请号：JP36602097

申请日：1997-12-24

Applicant: TOYODA MACHINE WORKS LTD ,  TOYOTA MOTOR CORP

Inventor： YOSHIMI TAKAYUKI ,  ONO NAOTO ,  MUKAI RYOHEI ,  KOBAYASHI YASUNORI ,  SATO MASAAKI ,  KUMAZAWA TADASHI ,  KUBO YUJI ,  MATSUMOTO MASANORI

IPC: B23Q11/10 ,  B23Q17/09 ,  B24B49/08 ,  B24B49/14 ,  B24B49/18 ,  B24B53/00 ,  B24B53/095 ,  B24B55/02

Abstract: PROBLEM TO BE SOLVED: To carry out a tool correction by deciding an optimum tool correcting timing from a detected work temperature. SOLUTION: When a workpiece W driven to rotate by a working axle is processed by a machining tool 2, the cooling is carried out by feeding cold air, the temperature of the workpiece W, that is, the outer peripheral surface temperature near the machined position of the workpiece W as a heating source by machining for example, is measured directly by a temperature detecting means 6, and depending on the measuring result, that is, from the relative relation of the temperature of the work, and the recedual stress, a work temperature to be an optimum tool correcting timing is set beforehand, and this set temperature, and the temperature detected by the temperature detecting means, are compared by a comparator 7, so as to control the operation of a tool correcting means.