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1. 发明申请

US20110147355A1 WELDING GUN 有权
标题翻译：焊接枪
公开(公告)号：US20110147355A1
公开(公告)日：2011-06-23
申请号：US12967333
申请日：2010-12-14
申请人： Hiroshi Miwa , Koichi Matsumoto , Teruaki Kobayashi , Eisaku Hasegawa
发明人： Hiroshi Miwa , Koichi Matsumoto , Teruaki Kobayashi , Eisaku Hasegawa
IPC分类号： B23K9/00
CPC分类号： B23K11/115 , B23K11/315 , B23K11/36 , H02K5/10 , H02K2205/09
摘要： A welding gun is provided in which moisture does not penetrate inside of a motor housing due to preventing the inside of the motor housing from becoming negative pressure. The welding gun includes a feed screw mechanism (40) that is coupled to a servo motor (10) and has a hollow rod (43) that reciprocally moves in a predetermined direction by way of torque applied by the servo motor (10), and a moveable electrode tip (62) that is connected to a leading end portion of the hollow rod (43) and opens and closes relative to a fixed electrode tip (61) according to the reciprocal movement of the hollow rod (43). The servo motor 10 has a motor housing (20) in which a motor housing hollow part (25) accommodating a portion of the hollow rod (43) to be reciprocally moveable is formed. A vent (21b) that ventilates the motor housing hollow part (25) with ambient air is formed in the motor housing (20).
摘要翻译：提供了一种焊枪，其中由于防止电动机壳体的内部变为负压，水分不会渗透到电动机壳体的内部。焊枪包括一个联接到伺服电动机（10）并具有通过由伺服电动机（10）施加的转矩沿预定方向往复运动的中空杆（43）的进给螺杆机构（40），以及可移动电极头（62），其连接到中空杆（43）的前端部，并且相对于固定电极头（61）根据中空杆（43）的往复运动而开闭。伺服电动机10具有马达壳体（20），其中形成容纳中空杆（43）的可往复运动的部分的马达容纳中空部分（25）。在马达壳体（20）中形成有用于使马达壳体中空部分（25）与环境空气通风的排气孔（21b）。

2. 发明授权

US08525078B2 Welding gun 有权
标题翻译：焊枪
公开(公告)号：US08525078B2
公开(公告)日：2013-09-03
申请号：US12967333
申请日：2010-12-14
申请人： Hiroshi Miwa , Koichi Matsumoto , Teruaki Kobayashi , Eisaku Hasegawa
发明人： Hiroshi Miwa , Koichi Matsumoto , Teruaki Kobayashi , Eisaku Hasegawa
IPC分类号： B23K9/00 , B23K9/10
CPC分类号： B23K11/115 , B23K11/315 , B23K11/36 , H02K5/10 , H02K2205/09
摘要： A welding gun precludes moisture from penetrating inside of a motor housing due by preventing development of negative pressure inside the motor housing. The welding gun includes a feed screw mechanism that is coupled to a servo motor and has a hollow rod that reciprocally moves in a predetermined direction by way of torque applied by the servo motor, and a moveable electrode tip that is connected to a leading end portion of the hollow rod and opens and closes relative to a fixed electrode tip according to the reciprocal movement of the hollow rod. The servo motor has a motor housing in which a motor housing hollow part accommodating a portion of the hollow rod to be reciprocally moveable is formed. A vent that ventilates the motor housing hollow part with ambient air is formed in the motor housing.
摘要翻译：由于防止电动机壳体内的负压发展，焊枪防止湿气渗透到电动机壳体的内部。焊枪包括一个联接到伺服电动机的进给螺杆机构，并具有通过由伺服电机施加的扭矩沿预定方向往复运动的中空杆，以及可移动电极头，其连接到前端部分并且根据中空杆的往复运动相对于固定的电极头开启和关闭。伺服电动机具有马达壳体，其中形成容纳中空杆的一部分以可往复运动的中空部分的马达。在电机壳体内形成有通风环境空气的电机壳体中空部分的通风口。

3. 发明申请

US20110155699A1 ENCODER DAMPENING MECHANISM 有权
标题翻译：编码器衰减机制
公开(公告)号：US20110155699A1
公开(公告)日：2011-06-30
申请号：US12972766
申请日：2010-12-20
申请人： Hiroshi Miwa , Koichi Matsumoto , Teruaki Kobayashi
发明人： Hiroshi Miwa , Koichi Matsumoto , Teruaki Kobayashi
IPC分类号： B23K11/11
CPC分类号： B23K11/314 , B23K11/311 , B23K11/36 , F16F1/3735 , F16F15/08 , F16F15/085 , H02K11/21
摘要： An encoder dampening mechanism is provided that absorbs shock acting on an encoder having a peripheral shape that is a flat shape, and prevents failure of the encoder. In an encoder dampening mechanism for an electric spot welding gun (1) equipped with a motor (30) that is accommodated inside of a motor housing (20) and causes a hollow rotor (31) to rotate, and an encoder main body (51) that detects a rotation angle of the hollow rotor (31), the encoder dampening mechanism includes: a thin plate (53) that is formed with a top surface (532) that is larger in a surface area than a base surface of the encoder main body (51), and on which the base surface of the encoder main body (51) is installed within the top surface (532); and a thin plate mounting portion (55) that connects the thin plate (53) to the motor housing (20) via the thin plate support part (553) and the thin plate pressure part (554), which dampen vibration.
摘要翻译：提供一种编码器阻尼机构，其吸收作用在具有扁平形状的周边形状的编码器上的冲击，并且防止编码器的故障。在用于电动点焊枪（1）的编码器阻尼机构中，该电动点焊枪（1）配备有容纳在电动机壳体（20）内并使中空转子（31）旋转的电动机（30），以及编码器主体），所述编码器阻尼机构包括：薄板（53），其形成有与所述编码器的基面相比表面积大的顶面（532）主体（51），编码器主体（51）的基面安装在上表面（532）内; 以及经由薄板支撑部（553）和薄板压力部（554）将薄板（53）与电动机壳体（20）连接的薄板安装部（55），其抑制振动。

4. 发明申请

US20100032419A1 WELDING GAN DRIVING DEVICE 有权
标题翻译：焊接驱动装置
公开(公告)号：US20100032419A1
公开(公告)日：2010-02-11
申请号：US12535866
申请日：2009-08-05
申请人： Koichi Matsumoto , Hiroshi Miwa , Teruaki Kobayashi
发明人： Koichi Matsumoto , Hiroshi Miwa , Teruaki Kobayashi
IPC分类号： B23K9/10
CPC分类号： B23K11/31 , B23K11/314
摘要： A welding gun driving device is provided with an electric motor, a feed screw mechanism, and a pressure rod axially moved forward and backward via the feed screw mechanism by the electric motor. A rotor of the electric motor is formed into a hollow shape through which the pressure rod is insertable. The feed screw mechanism is provided with a screw shaft fixed to the rotor concentrically with the rotor, and a nut portion screwed to the screw shaft. The pressure rod is provided with the nut portion and a hollow rod portion extending toward the axial front from the nut portion. The rotor is provided, at its inner peripheral face, with a guide portion through which the pressure rod is inserted and supported so as to be relatively rotatable and axially slidable.
摘要翻译：焊枪驱动装置设置有电动机，进给螺杆机构和通过电动机通过进给螺杆机构而前后方向移动的压杆。电动机的转子形成为可插入压杆的中空形状。进给螺杆机构设置有与转子同心地固定到转子的螺杆轴，以及螺钉部分螺纹连接到螺杆轴。压杆设置有螺母部分和从螺母部分朝向轴向前部延伸的中空杆部分。转子在其内周面设置有引导部分，压杆通过该引导部分被插入和支撑以便可相对旋转并且可轴向滑动。

5. 发明授权

US09156106B2 Welding gun 有权
标题翻译：焊枪
公开(公告)号：US09156106B2
公开(公告)日：2015-10-13
申请号：US13695120
申请日：2011-04-11
申请人： Koichi Matsumoto , Teruaki Kobayashi , Hiroshi Miwa
发明人： Koichi Matsumoto , Teruaki Kobayashi , Hiroshi Miwa
IPC分类号： B23K11/11 , B23K11/31
CPC分类号： B23K11/115 , B23K11/315 , B23K2101/18
摘要： A flange section 12b protruding in a radial direction of a ball screw shaft 6a is formed at a lower end portion of the ball screw shaft 6a, and a protrusion stopper 12a which abuts on the flange section 12b to prevent the ball screw shaft 6a from protruding out of the rod 7 is formed in a hollow section of the rod 7. On the lower side of the hollow section of the rod 7, there is formed a retraction stopper 13a which abuts on a lower end portion 13b of the ball screw shaft 6a to limit the retraction of the rod 7.
摘要翻译：在滚珠丝杠轴6a的下端部形成有沿滚珠丝杠轴6a的径向突出的凸缘部12b和与凸缘部12b抵接以防止滚珠丝杠轴6a突出的突起止动件12a 在杆7的中空部分中形成有杆7的外侧。在杆7的中空部的下侧形成有与滚珠丝杠轴6a的下端部13b抵接的退避止动件13a 以限制杆7的缩回。

6. 发明授权

US08536480B2 Encoder dampening mechanism 有权
标题翻译：编码器阻尼机构
公开(公告)号：US08536480B2
公开(公告)日：2013-09-17
申请号：US12972766
申请日：2010-12-20
申请人： Hiroshi Miwa , Koichi Matsumoto , Teruaki Kobayashi
发明人： Hiroshi Miwa , Koichi Matsumoto , Teruaki Kobayashi
IPC分类号： B23K9/32
CPC分类号： B23K11/314 , B23K11/311 , B23K11/36 , F16F1/3735 , F16F15/08 , F16F15/085 , H02K11/21
摘要： In an encoder dampening mechanism for an electric spot welding gun equipped with a motor that is accommodated inside of a motor housing and causes a hollow rotor to rotate, and an encoder main body that detects a rotation angle of the hollow rotor, the encoder dampening mechanism includes: a thin plate that is formed with a top surface that is larger in a surface area than a base surface of the encoder main body, and on which the base surface of the encoder main body is installed within the top surface; and a thin plate mounting portion that connects the thin plate to the motor housing via the thin plate support part and the thin plate pressure part, which dampen vibration.
摘要翻译：在用于电动点焊枪的编码器阻尼机构中，该电动点焊枪配备有容纳在电动机壳体内并使空心转子旋转的电动机，以及检测中空转子的旋转角度的编码器主体，编码器阻尼机构包括：薄板，其形成有在表面积比编码器主体的基面大的顶面，并且编码器主体的基面安装在该顶面上，以及薄板安装部，其经由薄板支撑部和薄板压力部将薄板连接到电动机壳体，从而抑制振动。

7. 发明申请

US20130037529A1 WELDING GUN 有权
标题翻译：焊接枪
公开(公告)号：US20130037529A1
公开(公告)日：2013-02-14
申请号：US13695120
申请日：2011-04-11
申请人： Koichi Matsumoto , Teruaki Kobayashi , Hiroshi Miwa
发明人： Koichi Matsumoto , Teruaki Kobayashi , Hiroshi Miwa
IPC分类号： B23K9/00
CPC分类号： B23K11/115 , B23K11/315 , B23K2101/18
摘要： A flange section 12b protruding in a radial direction of a ball screw shaft 6a is formed at a lower end portion of the ball screw shaft 6a, and a protrusion stopper 12a which abuts on the flange section 12b to prevent the ball screw shaft 6a from protruding out of the rod 7 is formed in a hollow section of the rod 7. On the lower side of the hollow section of the rod 7, there is formed a retraction stopper 13a which abuts on a lower end portion 13b of the ball screw shaft 6a to limit the refraction of the rod 7.
摘要翻译：在滚珠丝杠轴6a的下端部形成有沿滚珠丝杠轴6a的径向突出的凸缘部12b和与凸缘部12b抵接以防止滚珠丝杠轴6a突出的突起止动件12a 在杆7的中空部分中形成有杆7的外侧。在杆7的中空部的下侧形成有与滚珠丝杠轴6a的下端部13b抵接的退避止动件13a 以限制杆7的折射。

8. 发明授权

US08212181B2 Welding gun driving device 有权
标题翻译：焊枪驱动装置
公开(公告)号：US08212181B2
公开(公告)日：2012-07-03
申请号：US12535866
申请日：2009-08-05
申请人： Koichi Matsumoto , Hiroshi Miwa , Teruaki Kobayashi
发明人： Koichi Matsumoto , Hiroshi Miwa , Teruaki Kobayashi
IPC分类号： B23K9/00 , B23K9/10 , B23K9/28 , B23K9/32 , B23K9/12
CPC分类号： B23K11/31 , B23K11/314
摘要： A welding gun driving device is provided with an electric motor, a feed screw mechanism, and a pressure rod axially moved forward and backward via the feed screw mechanism by the electric motor. A rotor of the electric motor is formed into a hollow shape through which the pressure rod is insertable. The feed screw mechanism is provided with a screw shaft fixed to the rotor concentrically with the rotor, and a nut portion screwed to the screw shaft. The pressure rod is provided with the nut portion and a hollow rod portion extending toward the axial front from the nut portion. The rotor is provided, at its inner peripheral face, with a guide portion through which the pressure rod is inserted and supported so as to be relatively rotatable and axially slidable.
摘要翻译：焊枪驱动装置设置有电动机，进给螺杆机构和通过电动机通过进给螺杆机构而前后方向移动的压杆。电动机的转子形成为可插入压杆的中空形状。进给螺杆机构设置有与转子同心地固定到转子的螺杆轴，以及螺钉部分螺纹连接到螺杆轴。压杆设置有螺母部分和从螺母部分朝向轴向前部延伸的中空杆部分。转子在其内周面设置有引导部分，压杆通过该引导部分被插入和支撑以便可相对旋转并且可轴向滑动。

9. 发明授权

US08895894B2 Electric spot welding gun 有权
标题翻译：电焊枪
公开(公告)号：US08895894B2
公开(公告)日：2014-11-25
申请号：US13197093
申请日：2011-08-03
申请人： Koichi Matsumoto , Hiroshi Miwa
发明人： Koichi Matsumoto , Hiroshi Miwa
IPC分类号： B23K11/30 , B23K11/11 , B23K11/31
CPC分类号： B23K11/115 , B23K11/31 , B23K11/311 , B23K11/315
摘要： An electric spot welding gun (10) includes: a servo motor (40); a push rod (50) that advances and retracts in response to rotation of a rotor (43) of the servo motor; a drive-side electrode tip (71) that is mounted to a drive-side arm (70) fixed to a leading end of the push rod; and an encoder (60) that detects the rotation angle of the rotor of the servo motor, the position of the electrode tip being offset relative to the push rod, in which the rotor and the encoder are disposed in parallel to each other in an offset plane on which the electrode tip is offset relative to the push rod, at an attitude in which a trailing end (44) of the rotor on a side opposite to a push rod side thereof and an input end (64) of the encoder are facing in the same direction.
摘要翻译：一种电焊枪（10）包括：伺服电机（40）; 推杆（50），其响应于所述伺服电动机的转子（43）的旋转而前进和后退; 驱动侧电极头（71），其安装在驱动侧臂（70）上，固定在所述推杆的前端部; 以及编码器（60），其检测所述伺服电动机的转子的旋转角度，所述电极头的相对于所述推杆偏移的位置，所述转子和所述编码器在所述转子和所述编码器的偏移中彼此平行地配置电极头相对于推杆偏移的平面，转子的与其推杆侧相对的一侧的后端（44）和编码器的输入端（64）面对的姿态在同一个方向

10. 发明授权

US08853595B2 Welding gun 有权
标题翻译：焊枪
公开(公告)号：US08853595B2
公开(公告)日：2014-10-07
申请号：US13188926
申请日：2011-07-22
申请人： Koichi Matsumoto , Hiroshi Miwa
发明人： Koichi Matsumoto , Hiroshi Miwa
IPC分类号： B23K9/10 , B23K9/00 , B23K11/31
CPC分类号： B23K11/314
摘要： A welding gun is provided that can achieve both a size reduction and increase in pressure using a servo motor. The welding gun (1,2) includes an arm holder (30) having guide pins (31a, 31b and 32a, 32b) that are moveable along guide tracks (12a, 12b) formed in a gun bracket (10), and a mobile gun arm (40) is mounted to this arm holder. Roller followers (33a, 33b and 34a, 34b) engaging with the guide tracks around the guide pins are provided, and the mobile gun arm is made to open or close via the arm holder using a servo motor (72).
摘要翻译：提供了一种能够使用伺服电动机实现减小尺寸并增加压力的焊枪。焊枪（1,2）包括具有导向销（31a，31b和32a，32b）的臂保持器（30），其能够沿形成在枪托架（10）中的引导轨道（12a，12b）移动，并且移动枪臂（40）安装到该支架上。提供了与引导销周围的引导轨道接合的滚子从动件（33a，33b和34a，34b），并且使用伺服马达（72）通过臂保持器使移动枪臂打开或关闭。

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