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1. 发明授权

US08304683B2 Seam welding apparatus and seam welding method 有权
标题翻译：接缝焊接设备和缝焊方法
公开(公告)号：US08304683B2
公开(公告)日：2012-11-06
申请号：US12823594
申请日：2010-06-25
申请人： Eisaku Hasegawa , Shogo Matsuda , Takafumi Ikeda
发明人： Eisaku Hasegawa , Shogo Matsuda , Takafumi Ikeda
IPC分类号： B23K11/00
CPC分类号： B23K11/067 , B23K2101/12
摘要： A seam welding apparatus and a seam welding method perform a seaming process on workpieces of various shapes having flange sections, by preventing a welding track formed by upper and lower rotary electrodes from becoming displaced from a welding reference line established on the flange section. The seam welding apparatus includes two rotary electrodes for gripping the flange section therebetween while seam-welding the flange section, a support for synchronizing movements of the two rotary electrodes with each other in a widthwise direction of the flange section, a turning mechanism for pressing at least one of the two rotary electrodes toward the workpiece body, a roller that abuts against an end face of the flange section, and roller adjusting means for positionally adjusting the roller.
摘要翻译：缝焊设备和缝焊方法通过防止由上下旋转电极形成的焊接轨迹从建立在凸缘部分上的焊接基准线移位而对具有凸缘部分的各种形状的工件执行接缝处理。缝焊装置包括两个旋转电极，用于在对凸缘部进行接缝的同时夹持其间的凸缘部，用于使两个旋转电极在凸缘部的宽度方向上的移动同步的支撑件，朝向工件体的两个旋转电极中的至少一个，抵靠凸缘部的端面的辊以及用于位置调节辊的辊调节装置。

2. 发明授权

US08272243B2 Hemming working method and working apparatus 有权
标题翻译：起重工作方式和工作装置
公开(公告)号：US08272243B2
公开(公告)日：2012-09-25
申请号：US12096109
申请日：2006-12-05
申请人： Eisaku Hasegawa , Yoshiyuki Kinouchi , Noriko Kurimoto , Takeshi Nakamura , Mitsutaka Igaue , Hiroshi Miwa
发明人： Eisaku Hasegawa , Yoshiyuki Kinouchi , Noriko Kurimoto , Takeshi Nakamura , Mitsutaka Igaue , Hiroshi Miwa
IPC分类号： B21D7/02 , B23P11/00
CPC分类号： B21D39/021 , B21D19/043 , B21D39/023 , B25J11/00 , Y10T29/49893 , Y10T29/49915 , Y10T29/49922 , Y10T29/53709 , Y10T29/53791
摘要： A moving die is held by a robot and made to approach a vehicle, and a positioning pin is inserted into a positioning hole of the vehicle. The moving die is brought into a floating state of being displaceable relative to the vehicle by reducing a force of the robot for maintaining an attitude thereof. In a state of holding the moving die by the robot, a surface of the moving die is brought into contact with the vehicle by an adsorbing mechanism including an adsorbing portion of an elastic member provided to the moving die. The moving die and the robot are cut to be separated.
摘要翻译：移动模具由机器人保持并使其接近车辆，并且定位销插入车辆的定位孔中。移动的模具通过减小机器人的维持其姿态的力而进入相对于车辆移动的浮动状态。在通过机器人保持移动模具的状态下，移动模具的表面通过包括设置在移动模具上的弹性构件的吸附部分的吸附机构与车辆接触。移动模具和机器人被切割分离。

3. 发明申请

US20120117783A1 PANEL POSITIONING APPARATUS AND PANEL INTEGRATION METHOD 有权
标题翻译：面板定位装置和面板集成方法
公开(公告)号：US20120117783A1
公开(公告)日：2012-05-17
申请号：US13322162
申请日：2010-05-26
申请人： Eisaku Hasegawa , Nobuhiro Kozasa , Shunsuke Ishii , Hitoshi Yoshimichi , Koki Sanada
发明人： Eisaku Hasegawa , Nobuhiro Kozasa , Shunsuke Ishii , Hitoshi Yoshimichi , Koki Sanada
IPC分类号： B21D39/02 , B21D43/00
CPC分类号： B21D39/021 , B21D43/003 , Y10S901/39 , Y10T29/49629 , Y10T29/49895 , Y10T29/49915 , Y10T29/53791 , Y10T29/53978
摘要： A panel positioning apparatus is provided with an outer panel supporting device 20 adapted to support the outer panel 11 from a lower side of the outer panel 11 and an inner panel supporting device 30 adapted to support the inner panel 12 from an upper side of the inner panel 12. The outer panel supporting device 20 has a lower-surface contact section 23 adapted to abut against a lower surface of the outer panel 11. The inner panel supporting device 30 has an upper-surface contact section 344 adapted to expose below the inner panel 12 and to abut against an upper surface of a part of the outer panel 12 against which the lower-surface contact section 23 abuts. The outer panel 11 and the inner panel 12 are overlaid with each other, and a bending part 112A of the outer panel 11 is bent by pinching the outer panel 11 by the lower-surface contact section 23 and the upper-surface contact section 334.
摘要翻译：面板定位装置设置有外板支撑装置20，其适于从外板11的下侧支撑外板11和内板支撑装置30，内板支撑装置30适于从内板11的上侧支撑内板12 外板支撑装置20具有适于抵靠外板11的下表面的下表面接触部分23.内板支撑装置30具有上表面接触部分344，其适于暴露于内板并且抵靠在下表面接触部分23所抵靠的外部面板12的一部分的上表面上。外板11和内板12彼此重叠，并且外板11的弯曲部112A通过下表面接触部23和上表面接触部334夹住外板11而弯曲。

4. 发明申请

US20120074113A1 SPOT WELDING METHOD AND SPOT WELDING APPARATUS 有权
标题翻译：点焊焊接方法和点焊设备
公开(公告)号：US20120074113A1
公开(公告)日：2012-03-29
申请号：US13234243
申请日：2011-09-16
申请人： Eisaku HASEGAWA , Sumitomo WATANABE , Masahito MUTOU
发明人： Eisaku HASEGAWA , Sumitomo WATANABE , Masahito MUTOU
IPC分类号： B23K9/007
CPC分类号： B23K11/115 , B23K11/16 , B23K11/312 , B23K11/314 , B23K2101/006 , B23K2101/185 , B23K2103/04
摘要： A spot welding method and a spot welding apparatus are provided. A stacked assembly of at least three workpieces is gripped between first and second welding tips. An inner workpiece positioned inside of the stacked assembly, of two of the workpieces that exhibit a maximum contact resistance in the stacked assembly, is electrically connected to a ground electrode, or to an electrode having the same polarity as the second welding tip near an outer workpiece positioned adjacent to the inner workpiece and facing outwardly from the stacked assembly, of the two workpieces. Then, electric current is applied from the first welding tip toward the second welding tip. In this case, first, the stacked assembly is pressed under a first pressing force, and then, the stacked assembly is pressed under a second pressing force which is greater than the first pressing force.
摘要翻译：提供点焊方法和点焊装置。在第一和第二焊接尖端之间夹持至少三个工件的堆叠组件。位于层叠组件内部的内部工件，其中两个在堆叠组件中呈现最大接触电阻的工件电连接到接地电极，或电连接到具有与第二焊接头相同极性的电极，靠近外部工件定位成邻近内部工件并面向两个工件的堆叠组件向外。然后，从第一焊嘴向第二焊接端施加电流。在这种情况下，首先，在第一按压力的作用下按压堆叠组件，然后在比第一按压力大的第二按压力的情况下按压堆叠组件。

5. 发明申请

US20100326965A1 SEAM WELDING APPARATUS AND SEAM WELDING METHOD 有权
标题翻译：焊接设备和焊接焊接方法
公开(公告)号：US20100326965A1
公开(公告)日：2010-12-30
申请号：US12823594
申请日：2010-06-25
申请人： Eisaku Hasegawa , Shogo Matsuda , Takafumi Ikeda
发明人： Eisaku Hasegawa , Shogo Matsuda , Takafumi Ikeda
IPC分类号： B23K11/08
CPC分类号： B23K11/067 , B23K2101/12
摘要： A seam welding apparatus and a seam welding method perform a seaming process on workpieces of various shapes having flange sections, by preventing a welding track formed by upper and lower rotary electrodes from becoming displaced from a welding reference line established on the flange section. The seam welding apparatus includes two rotary electrodes for gripping the flange section therebetween while seam-welding the flange section, a support for synchronizing movements of the two rotary electrodes with each other in a widthwise direction of the flange section, a turning mechanism for pressing at least one of the two rotary electrodes toward the workpiece body, a roller that abuts against an end face of the flange section, and roller adjusting means for positionally adjusting the roller.
摘要翻译：缝焊设备和缝焊方法通过防止由上下旋转电极形成的焊接轨迹从建立在凸缘部分上的焊接基准线移位而对具有凸缘部分的各种形状的工件执行接缝处理。缝焊装置包括两个旋转电极，用于在对凸缘部进行接缝的同时夹持其间的凸缘部，用于使两个旋转电极在凸缘部的宽度方向上的移动同步的支撑件，朝向工件体的两个旋转电极中的至少一个，抵靠凸缘部的端面的辊以及用于位置调节辊的辊调节装置。

6. 发明授权

US09486875B2 One-side spot welding method and one-side spot welding apparatus 有权
标题翻译：单面点焊法和单面点焊装置
公开(公告)号：US09486875B2
公开(公告)日：2016-11-08
申请号：US13602401
申请日：2012-09-04
申请人： Eisaku Hasegawa , Sumitomo Watanabe , Masahito Mutou
发明人： Eisaku Hasegawa , Sumitomo Watanabe , Masahito Mutou
IPC分类号： B23K9/00 , B23K11/11 , B23K11/00 , B23K11/36
CPC分类号： B23K11/11 , B23K11/0026 , B23K11/364
摘要： A one-side spot welding method for causing an electrode to contact a welding portion of a work-piece only from one side of the work-piece to weld the work-piece, the method includes a nugget forming process of applying welding pressure to the work-piece through the electrode, and causing the work-piece to be fully electrically conducted at a predetermined current value, and a slow-cooling process of applying welding pressure to the work-piece through the electrode from the one side, and causing the work-piece to be electrically conducted at a current value lower than the predetermined current value after the nugget forming process.
摘要翻译：一种单面点焊方法，用于使电极仅从工件的一侧接触工件的焊接部分以对工件进行焊接，该方法包括：向工件穿过电极，并使工件以预定电流值完全导电;以及缓慢冷却工艺，其通过电极从一侧向工件施加焊接压力，并且使工件在熔核形成处理之后以电流值低于预定电流值进行导电。

7. 发明申请

US20120074103A1 SEAM WELDING WARPAGE PREVENTION METHOD AND APPARATUS 有权
标题翻译：焊接保护预防方法和装置
公开(公告)号：US20120074103A1
公开(公告)日：2012-03-29
申请号：US13233617
申请日：2011-09-15
申请人： Eisaku HASEGAWA , Mitsugu KANEKO , Takafumi IKEDA , Haruhiko KOBAYASHI
发明人： Eisaku HASEGAWA , Mitsugu KANEKO , Takafumi IKEDA , Haruhiko KOBAYASHI
IPC分类号： B23K11/08
CPC分类号： B23K11/08 , B23K11/06 , B23K11/061 , B23K11/16 , B23K11/20 , B23K2103/04 , B23K2103/18
摘要： It is an object of the present invention to provide a seam welding warpage prevention method and apparatus capable of preventing warpage caused by cooling contraction after welding, in a case where workpieces are different from one another in material and thickness, and thus not uniform in thermal contraction. In the seam welding warpage prevention method for welding a plurality of workpieces W1 and W2 that are not uniform in thermal contraction with respect to an energizing direction, the workpieces W1 and W2 are clamped with a pair of roller electrodes 23 and 33 while applying current. The welding is performed in a state where the roller electrode 33 that abuts on the workpiece W2 having higher thermal contraction is offset in an advancing direction ahead of the roller electrode 23 that abuts on the workpiece W1 having lower thermal contraction.
摘要翻译：本发明的目的是提供一种能够防止焊接后的冷却收缩引起的翘曲的缝焊翘曲防止方法和装置，在工件在材料和厚度上彼此不同的情况下，因此不均匀的热收缩在用于焊接相对于通电方向的热收缩不均匀的多个工件W1和W2的焊缝翘曲防止方法中，工件W1和W2在施加电流的同时用一对辊电极23和33夹紧。焊接是在接触具有较高热收缩的工件W2的辊电极33在靠近具有较低热收缩的工件W1的辊电极23之前的前进方向上偏移的状态下进行的。

8. 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）。

9. 发明授权

US07934408B2 Roller hemming method and hemmed member 有权
标题翻译：滚筒折边方法和卷边构件
公开(公告)号：US07934408B2
公开(公告)日：2011-05-03
申请号：US11905892
申请日：2007-10-05
申请人： Eisaku Hasegawa , Hiroshi Miwa , Katsumi Takeishi , Takeshi Nakamura
发明人： Eisaku Hasegawa , Hiroshi Miwa , Katsumi Takeishi , Takeshi Nakamura
IPC分类号： B21D7/02 , B23P11/00
CPC分类号： B21D19/14 , B21D19/043 , B21D39/021 , B21D39/023 , Y10T29/53791 , Y10T428/24215
摘要： In a roller hemming method for folding a flange erected from a workpiece by pressing a working roller against the flange and moving the working roller relative to the flange, the flange is folded by: a first temporary bending step of bending a tip-side portion of the flange into a state that the tip-side portion is inclined; a second temporary bending step of bending a remaining, base-side portion of the flange into a state that the base-side portion is inclined; and a full bending step of bending the thus-bent flange into a final shape so that the flange is into contact with a flange-proximate portion.
摘要翻译：在通过将工作辊压靠在凸缘上并将工作辊相对于凸缘移动而折叠从工件竖立的凸缘的辊式折边方法中，凸缘通过以下方式折叠：第一临时弯曲步骤，将第一临时弯曲步骤所述凸缘成为所述前端侧部分倾斜的状态; 第二临时弯曲步骤，将所述凸缘的剩余基部侧部分弯曲成所述基部侧部倾斜的状态; 以及将由此弯曲的凸缘弯曲成最终形状的完全弯曲步骤，使得凸缘与凸缘接近部分接触。

10. 发明申请

US20080307630A1 Hemming Working Method and Working Apparatus 有权
标题翻译：起皱工作方法和工作装置
公开(公告)号：US20080307630A1
公开(公告)日：2008-12-18
申请号：US12096109
申请日：2006-12-05
申请人： Eisaku Hasegawa , Yoshiyuki Kinouchi , Noriko Kurimoto , Takeshi Nakamura , Mitsutaka Igaue , Hiroshi Miwa
发明人： Eisaku Hasegawa , Yoshiyuki Kinouchi , Noriko Kurimoto , Takeshi Nakamura , Mitsutaka Igaue , Hiroshi Miwa
IPC分类号： B21D39/00 , B21D7/022 , B21B31/16 , B21D39/02
CPC分类号： B21D39/021 , B21D19/043 , B21D39/023 , B25J11/00 , Y10T29/49893 , Y10T29/49915 , Y10T29/49922 , Y10T29/53709 , Y10T29/53791
摘要： A moving die is held by a robot and made to approach a vehicle, and a positioning pin is inserted into a positioning hole of the vehicle. The moving die is brought into a floating state of being displaceable relative to the vehicle by reducing a force of the robot for maintaining an attitude thereof. In a state of holding the moving die by the robot, a surface of the moving die is brought into contact with the vehicle by an adsorbing mechanism including an adsorbing portion of an elastic member provided to the moving die. The moving die and the robot are cut to be separated.
摘要翻译：移动模具由机器人保持并使其接近车辆，并且定位销插入车辆的定位孔中。移动的模具通过减小机器人的维持其姿态的力而进入相对于车辆移动的浮动状态。在通过机器人保持移动模具的状态下，移动模具的表面通过包括设置在移动模具上的弹性构件的吸附部分的吸附机构与车辆接触。移动模具和机器人被切割分离。

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