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1. 发明专利

JP2017085757A アクチュエータおよび機械装置审中-公开
公开(公告)号：JP2017085757A
公开(公告)日：2017-05-18
申请号：JP2015211211
申请日：2015-10-27
申请人：日本精工株式会社 , Nsk Ltd
发明人： YANAGISAWA TOMOYUKI , WATANABE ITSUO , OTANI YUJI
IPC分类号： H02K7/06 , F16H25/20 , F16H25/24
摘要：【課題】メンテナンスが容易なアクチュエータを提供する。【解決手段】アクチュエータ1は、ねじ軸101と、ねじ軸101に螺合したナット102と、ナット102が嵌め込まれた中空状のスリーブ110と、スリーブ110をねじ軸101の周りに回転させる回転機構部120と、スリーブ110の回転量を検出する回転検出部130と、スリーブ110、ナット102、回転機構部120および回転検出部130を収容するハウジング140と、を有し、ナット102は、ねじ軸101の軸方向に延びる胴部103と、胴部103の軸方向一端部に設けられたフランジ部104と、を有し、フランジ部104は、胴部103がスリーブ110に嵌め込まれた状態で、スリーブ110の先端面110aに接触し、フランジ部104を軸方向に貫通するねじ160によってスリーブ110の先端面110aにねじ止めされている。【選択図】図1

2. 发明专利

JP2014088884A Linear motion table device 审中-公开
标题翻译：线性运动表装置
公开(公告)号：JP2014088884A
公开(公告)日：2014-05-15
申请号：JP2012237508
申请日：2012-10-29
申请人： Nsk Ltd , 日本精工株式会社
发明人： ENDO NAOKI , NAKAGAWA TAKUMI , OTANI YUJI , KUDO TETSUYA , YAMAMOTO KAZUFUMI , HIROSE TOSHIRO
IPC分类号： F16H25/20 , B23Q5/34 , F16H1/06 , F16H7/02 , F16H25/24
摘要： PROBLEM TO BE SOLVED: To provide a linear motion table device which enables miniaturization and cost reduction of the device and does not require complicated control.SOLUTION: A linear motion table device comprises two feed screw shafts including an input-side feed screw shaft 2 and an output-side feed screw shaft 3 arranged in parallel to each other along a base 1, screw shaft supporting parts 15, 16 rotatably supporting both ends of the input-side feed screw shaft and the output-side feed screw shaft and making the feed screw shafts movable in the longitudinal direction of the base, a driving motor 5 connected to one end of the input-side feed screw shaft, a rotation transmission mechanism 6 for transmitting rotation of the input-side feed screw shaft to the output-side feed screw shaft, a first nut 7 engaging with the input-side feed screw shaft, a second nut 8 engaging with the output-side feed screw shaft, a fixing bracket 9 fixing the first nut on the base, and a moving bracket 11 fixing the second nut to a moving table 10.
摘要翻译：要解决的问题：提供一种直线运动台装置，其能够实现装置的小型化和降低成本，并且不需要复杂的控制。解决方案：线性运动台装置包括两个进给螺杆轴，包括输入侧进给螺杆轴2和输出侧进给丝杠轴3，其沿着基部1彼此平行地布置，螺旋轴支撑部分15,16可旋转地支撑输入侧进给丝杠轴和输出侧进给螺杆轴的两端，并使进给螺杆轴可在基座的纵向方向上移动，连接到输入侧进给螺杆轴的一端的驱动马达5，用于将输入侧进给丝杠轴的旋转传递到输出侧进给的旋转传动机构6 螺杆轴，与输入侧进给螺杆轴接合的第一螺母7，与输出侧进给螺杆轴接合的第二螺母8，将第一螺母固定在基座上的固定支架9和移动支架1 1将第二螺母固定到移动台10上。

3. 发明专利

JP2014084975A Linear motion table device and ball screw support mechanism of linear motion table device 审中-公开
公开(公告)号：JP2014084975A
公开(公告)日：2014-05-12
申请号：JP2012235602
申请日：2012-10-25
申请人： Nsk Ltd , 日本精工株式会社
发明人： NAKAGAWA TAKUMI , ENDO NAOKI , OTANI YUJI , KUDO TETSUYA , YAMAMOTO KAZUFUMI , HIROSE TOSHIRO
IPC分类号： F16H25/24 , F16H25/20
摘要： PROBLEM TO BE SOLVED: To provide a linear motion table device for which a linear guide of a specification optimum for a travel condition of a moving part is selected, a device cost is reduced, and highly accurate movement control of a moving table is achieved.SOLUTION: First linear guides 26a and 26c for freely movably supporting a rapid feed moving table 28 are turned to the linear guides of a high load capacity specification and a high speed specification, and second linear guides 33a, 33d, 34a, and 34d for freely movably supporting screw shaft support parts 33 and 34 which support both ends of a feed screw shaft 30 are turned to low load capacity and standard speed specifications.

4. 发明专利

JP2014084942A Ball screw 审中-公开
标题翻译：球杆螺丝
公开(公告)号：JP2014084942A
公开(公告)日：2014-05-12
申请号：JP2012234042
申请日：2012-10-23
申请人： Nsk Ltd , 日本精工株式会社
发明人： HIROSE TOSHIRO , YAMAMOTO KAZUFUMI , ENDO NAOKI , OTANI YUJI , NAKAGAWA TAKUMI , KUDO TETSUYA
IPC分类号： F16H25/22 , F16H25/24
摘要： PROBLEM TO BE SOLVED: To provide a ball screw having high response capability to production efficiency and market needs, and capable of determining higher movable amounts for two nuts.SOLUTION: An inner ball screw mechanism of a ball screw has a screw shaft 1 having a spiral thread groove 1a on its outer peripheral face, an inner nut 2 having a thread groove 2a opposed to the thread groove 1a of the screw shaft 1 on its inner peripheral face, and a plurality of inner balls 3 rollably disposed on a spiral inner ball rolling path formed by the thread groove 1a of the screw shaft 1 and the thread groove 2a of the inner nut 2. An outer ball screw mechanism is provided with a spiral thread groove 3a on an outer peripheral face of the inner nut 2, and has an outer nut having a thread groove 5a opposed to the thread groove 4a of the inner nut 2 on its inner peripheral face, and a plurality of outer balls 6 rollably disposed on a spiral outer ball rolling path formed by the thread groove 4a of the inner nut 2 and the thread groove 5a of the outer nut 5.
摘要翻译：要解决的问题：提供对生产效率和市场需求具有高响应能力的滚珠丝杠，并且能够确定两个螺母的较高可移动量。解决方案：滚珠丝杠的内滚珠丝杠机构具有螺杆轴1，其具有在其外周面上具有螺旋形螺纹槽1a，内螺母2具有与其内周面上的螺杆轴1的螺纹槽1a相对的螺纹槽2a和可滚动地设置在螺旋内球上的多个内滚珠3 由螺杆轴1的螺纹槽1a和内螺母2的螺纹槽2a形成的滚动路径。外滚珠丝杠机构在内螺母2的外周面上设置有螺旋状的螺纹槽3a，具有外螺母，其内周面上具有与内螺母2的螺纹槽4a相对的螺纹槽5a，以及多个外滚珠6，该外滚珠6可旋转地设置在由螺纹外滚珠滚道内螺母2和外螺母5的螺纹槽5a。

5. 发明专利

JP2014083650A Linear motion table device and ball screw support mechanism of linear motion table device 审中-公开
标题翻译：线性运动表装置的线性运动表装置和球螺旋支撑机构
公开(公告)号：JP2014083650A
公开(公告)日：2014-05-12
申请号：JP2012235578
申请日：2012-10-25
申请人： Nsk Ltd , 日本精工株式会社
发明人： NAKAGAWA TAKUMI , ENDO NAOKI , OTANI YUJI , KUDO TETSUYA , YAMAMOTO KAZUFUMI , HIROSE TOSHIRO
IPC分类号： B23Q5/22 , F16H25/20
摘要： PROBLEM TO BE SOLVED: To provide a linear motion table device for which a linear guide of a specification optimum for a travel condition of a moving part is selected, a device cost is reduced, and highly accurate movement control of a moving table is achieved.SOLUTION: First linear guides 26a and 26c for freely movably supporting a rapid feed moving table 28 are turned to the linear guides of a high load capacity specification and a high speed specification, and second linear guides 33a, 33d, 34a, and 34d for freely movably supporting screw shaft support parts 33 and 34 which support both ends of a feed screw shaft 30 are turned to low load capacity and standard speed specifications.
摘要翻译：要解决的问题：为了提供一种直线运动台装置，其中选择对于运动部件的运动状态最佳的规格的直线导轨，降低了装置成本，并且实现了移动台的高精度的运动控制。解决方案：用于自由移动地支撑快速进给移动台28的第一线性引导件26a和26c转向具有高负载能力规格和高速规格的直线导轨，第二直线导轨33a，33d，34a和34d可自由转动可移动地支撑螺纹轴支撑部分33和34，其支撑进给丝杠轴30的两端被转向低负载能力和标准速度规格。

6. 发明专利

JP2014005893A Driving device 有权
标题翻译：驱动装置
公开(公告)号：JP2014005893A
公开(公告)日：2014-01-16
申请号：JP2012142494
申请日：2012-06-25
申请人： Nsk Ltd , 日本精工株式会社
发明人： TAKAHASHI KAZUMA , MIZUGUCHI JUNJI , OTANI YUJI
IPC分类号： F16H25/20 , F16H25/22 , F16H25/24
摘要： PROBLEM TO BE SOLVED: To provide a driving device that properly supports an injection load and a driving torque without increasing the size thereof and hardly causes life shortening due to inclination of a nut.SOLUTION: The driving device 1 includes: a coupling member 30 for coupling respective nuts 12, 22 of a plurality of ball screws 10, 20 to each other; and a transmission member 40 connected to the coupling member 30 and relatively moving the respective nuts 12, 22 of the plurality of ball screws 10, 20 via the coupling member 30. A plurality of circulation components 13, 23 provided in the nuts 12, 22 are disposed so as to straddle a surface including displacement directions of the nuts 12, 22 by a load F applied to the coupling member 30 from the transmission member 40. A rolling element is not present between circulation components 13, 23 departed farthest from the coupling member 30 and distal ends 12b, 22b of the nuts 12, 22.
摘要翻译：要解决的问题：提供一种驱动装置，其适当地支撑注射负荷和驱动扭矩而不增加其尺寸，并且几乎不会由于螺母的倾斜而引起寿命缩短。解决方案：驱动装置1包括：联接构件30，用于将多个滚珠丝杠10,20的相应的螺母12,22彼此联接; 以及连接到联接构件30并且通过联接构件30相对移动多个滚珠丝杠10,20的各个螺母12,22的传动构件40.多个设置在螺母12,22中的循环构件13,23 通过从传动构件40施加到联接构件30的载荷F而跨越包括螺母12,22的位移方向的表面。滚动元件不存在于离联轴器最远的循环构件13,23之间螺母12,22的构件30和远端12b，22b。

7. 发明专利

JP2013130290A Ball screw device 审中-公开
标题翻译：球螺丝装置
公开(公告)号：JP2013130290A
公开(公告)日：2013-07-04
申请号：JP2012257206
申请日：2012-11-26
申请人： Nsk Ltd , 日本精工株式会社
发明人： MATSUNAGA MIKI , OTANI YUJI , ISHIKAWA AKIHIKO
IPC分类号： F16H25/24
摘要： PROBLEM TO BE SOLVED: To provide a simply structured and inexpensive ball screw device employing a seal for a ball screw which can maintain lubricant inside a nut and prevent the entry of foreign matters inside the nut.SOLUTION: A lip part 41 of a seal 4 consists of a groove contact part 41a brought into contact with a spiral groove 2a in a screw shaft 2, an outer peripheral contact portion 41b brought into contact with an outer peripheral surface 2b of the screw shaft 2, and a connection part 41c for connecting both parts 41a, 41b. A plurality of seals are axially and overlappingly mounted so as to direct the tip of the groove contact part 41a toward the outside of a nut 1 in an axial direction and the tip of the outer peripheral contact part 41b toward the inside of the nut 1 in the axial direction.
摘要翻译：要解决的问题：提供一种使用滚珠丝杠密封件的简单结构且廉价的滚珠丝杠装置，其能够将润滑剂保持在螺母内并防止异物进入螺母内。解决方案：密封件4的唇部41 包括与螺杆轴2中的螺旋槽2a接触的槽接触部41a，与螺杆轴2的外周面2b接触的外周接触部41b，以及连接部41c，部分41a，41b。多个密封件被轴向和重叠地安装，以便使槽接触部分41a的尖端在轴向方向上朝向螺母1的外侧，并且外周接触部分41b的尖端朝向螺母1的内部轴向。

8. 发明专利

JP2014101913A Ball screw 审中-公开
标题翻译：球杆螺丝
公开(公告)号：JP2014101913A
公开(公告)日：2014-06-05
申请号：JP2012252860
申请日：2012-11-19
申请人： Nsk Ltd , 日本精工株式会社
发明人： OTANI YUJI
IPC分类号： F16H25/24 , F16H25/22
摘要： PROBLEM TO BE SOLVED: To provide a ball screw that can restrain early wear of respective grooves and balls without causing high cost or leakage of a lubricant.SOLUTION: A lubricant supply hole 20a is provided in a flange 16 provided on the outer peripheral surface of the axial middle part of a nut 13a. The lubricant supply hole 20a is a through-hole that allows the outer peripheral surface of the flange 16 to radially communicate with a ball circulation passage 17, and a female screw into which a grease nipple is screwed is formed on the outer peripheral surface side of the flange 16. A lubricant such as grease supplied to the lubricant supply hole 20a through the grease nipple is directly supplied to balls 15 rolling in the ball circulation passage 17.
摘要翻译：要解决的问题：提供一种滚珠丝杠，其可以抑制各个槽和球的早期磨损，而不会导致润滑剂的高成本或泄漏。解决方案：润滑剂供给孔20a设置在设置在润滑剂的外周面上的凸缘16中螺母13a的轴向中间部分。润滑剂供给孔20a是允许凸缘16的外周面与球循环通路17径向连通的贯通孔，在其外周面侧形成有用于插入油嘴的内螺纹凸缘16.通过润滑脂奶嘴供给到润滑剂供给孔20a的润滑剂直接供给到滚珠循环通道17中滚动的滚珠15。

9. 发明专利

JP2014088885A Linear motion table device 审中-公开
公开(公告)号：JP2014088885A
公开(公告)日：2014-05-15
申请号：JP2012237509
申请日：2012-10-29
申请人： Nsk Ltd , 日本精工株式会社
发明人： ENDO NAOKI , NAKAGAWA TAKUMI , OTANI YUJI , KUDO TETSUYA , YAMAMOTO KAZUFUMI , HIROSE TOSHIRO
IPC分类号： F16H25/20 , B23Q5/34 , F16H1/06 , F16H7/02 , F16H25/24
摘要： PROBLEM TO BE SOLVED: To provide a linear motion table device which enables miniaturization and cost reduction of the device and does not require complicated control.SOLUTION: A linear motion table device comprises two feed screw shafts including an input-side feed screw shaft 2 and an output-side feed screw shaft 3 arranged in parallel to each other along a base 1, screw shaft supporting parts 15, 16 rotatably supporting both ends of the input-side feed screw shaft and the output-side feed screw shaft and making the feed screw shafts movable in the longitudinal direction of the base, a driving motor 5 connected to one end of the input-side feed screw shaft, a rotation transmission mechanism 6 for transmitting rotation of the input-side feed screw shaft to the output-side feed screw shaft, a first nut 7 engaging with the input-side feed screw shaft, a second nut 8 engaging with the output-side feed screw shaft, a fixing bracket 9 fixing the first nut on the base, and a moving bracket 11 fixing the second nut to a moving table 10.

10. 发明专利

JP2014087851A Linear motion table device and ball screw support mechanism of linear motion table device 审中-公开
公开(公告)号：JP2014087851A
公开(公告)日：2014-05-15
申请号：JP2012237505
申请日：2012-10-29
申请人： Nsk Ltd , 日本精工株式会社
发明人： NAKAGAWA TAKUMI , ENDO NAOKI , OTANI YUJI , KUDO TETSUYA , YAMAMOTO KAZUFUMI , HIROSE TOSHIRO
IPC分类号： B23Q5/22 , F16H25/20 , F16H25/24
摘要： PROBLEM TO BE SOLVED: To provide a linear motion table device for which a linear guide of a specification optimum for a travel condition of a moving part is selected, a device cost is reduced, and highly accurate movement control of a moving table is achieved.SOLUTION: First linear guides 26a and 26c for freely movably supporting a rapid feed moving table 28 are turned to the linear guides of a high load capacity specification and a high speed specification, and second linear guides 33a, 33d, 34a, and 34d for freely movably supporting screw shaft support parts 33 and 34 which support both ends of a feed screw shaft 30 are turned to low load capacity and standard speed specifications.

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