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    • 62. 发明授权
    • Welding method in automatic welding machine
    • 自动焊机焊接方法
    • US4647753A
    • 1987-03-03
    • US841028
    • 1986-03-17
    • Seiichiro NakashimaNobutoshi Torii
    • Seiichiro NakashimaNobutoshi Torii
    • B23K9/095B23K9/10B23K9/12
    • B23K9/125B23K9/0956B23K9/10B23K9/1037
    • A welding method in an automatic welding machine in which welding is performed by impressing a voltage across a wire, which is transported along a welding path by a robot, and a workpiece to produce an arc at the tip of the wire, and transporting the wire tip along the welding path by the robot while the wire is successively laid out in small increments. The method includes storing a number of welding conditions in memory which conditions comprise welding voltage, wire feed speed, preflow duration, crater processing duration and postflow duration selecting prescribed welding conditions by the program, jetting a gas toward the workpiece for the preflow duration; thereafter generating a selected welding voltage and laying out the wire at a selected wire feed speed to start welding. The welding conditions are selected by the program at a welding starting point, and a predetermined welding voltage is generated for the crater processing duration, followed by performing crater processing by laying out the wire at a predetermined wire feed speed, and thereafter performing postflow processing by jetting gas toward the workpiece for the postflow duration; these welding conditions selected by the program at a welding end point.
    • PCT No.PCT / JP83 / 00384 Sec。 371日期1984年6月26日第 102(e)日期1984年6月26日PCT提交1983年10月27日PCT公布。 出版物WO84 / 01732 日期:1984年5月10日。一种自动焊接机中的焊接方法,其中通过在机器人沿着焊接路径输送的线上施加电压而进行焊接,并且在工件的顶端产生电弧 电线,并且通过机器人沿着焊接路径输送电线尖端,同时以小增量连续布置线。 该方法包括在存储器中存储多个焊接条件,该条件包括焊接电压,焊丝进给速度,预流持续时间,火山口处理持续时间和通过程序选择规定的焊接条件的后期持续时间,为预流持续时间向工件喷射气体; 然后产生选定的焊接电压并以选定的焊丝进给速度布置焊丝以开始焊接。 通过焊接起点处的程序选择焊接条件,并且对于火山口处理持续时间产生预定的焊接电压,然后通过以预定的焊丝进给速度布置焊丝进行火山口处理,然后通过 向工件喷射气体用于后流程; 这些焊接条件由程序在焊接端点选择。
    • 64. 发明授权
    • Double hand for an industrial robot
    • 双手为工业机器人
    • US4565400A
    • 1986-01-21
    • US605027
    • 1984-04-10
    • Seiichiro NakashimaNobutoshi ToriiAkihiro Terada
    • Seiichiro NakashimaNobutoshi ToriiAkihiro Terada
    • B25J15/08B23Q7/04B25J15/00B25J15/02B25J15/04
    • B25J15/04B25J15/0052B25J15/0213
    • A double hand for an industrial robot comprises a hand body, two sets of work clamping units and two sets of actuators to drive the work clamping units, respectively, for opening and closing motions. The hand body has a rear end attachable to the free end of the robot wrist of an industrial robot, a front end and opposite sides extending between the front end and the rear end. Each work clamping unit has a pair of gripping fingers and the pairs of gripping fingers of the two sets of work gripping units are supported pivotally at the roots thereof on the opposite sides of the hand body for turning motion. The paired gripping fingers are turned about the respective roots thereof in opposite directions by the associated actuator.
    • PCT No.PCT / JP83 / 00262 Sec。 371日期1984年4月10日 102(e)日期1984年4月10日PCT提交1983年8月11日PCT公布。 出版物WO84 / 00713 1984年3月1日。工业机器人的双手包括手柄,两套夹紧装置和两套执行器,用于分别驱动夹紧装置,用于打开和关闭运动。 手柄具有可连接到工业机器人的机器人手腕的自由端的后端,前端和在前端和后端之间延伸的相对侧。 每个工件夹紧单元具有一对夹持指状物,并且两组夹紧单元的夹持爪对在其根部处可旋转地支撑在手柄的相对侧上,用于转动。 成对的夹持爪通过相关联的致动器在相反的方向围绕其相应的根部转动。
    • 67. 发明授权
    • Industrial robot with workpiece handling means for attaching a workpiece
to and removing a workpiece from a machine tool
    • 具有工件处理装置的工业机器人,用于将工件附接到机床上并从机床移除工件
    • US5312220A
    • 1994-05-17
    • US867102
    • 1992-07-01
    • Nobutoshi ToriiRyo Nihei
    • Nobutoshi ToriiRyo Nihei
    • B25J9/06B23Q1/54B23Q7/04B25J9/04B25J9/02
    • B25J9/04B23Q1/5431B23Q7/04B23Q7/048
    • An industrial robot is provided with robot hands (44, 46) capable of being moved by turning actions between a workpiece handling position to which a workpiece is transported and at which the workpiece is fed to the chucking device (10) of a machine tool and a standby position away from the workpiece handling position. The robot also incorporates a robot hand (42) capable of being turned in a plane at the workpiece handling position to align a workpiece with the chucking device (10) of the machine tool, and a pneumatic cylinder actuator (48) capable of linearly moving the robot hand (42) toward the chucking device (10) and away from the chucking device (10) so as to remove a workpiece from the chucking device (10). The industrial robot can be readily fixed to the bed of the machine tool by bolts, for example.
    • PCT No.PCT / JP91 / 01530 Sec。 371日期:1992年7月1日 102(e)日期1992年7月1日PCT 1991年11月7日PCT PCT。 第WO92 / 08582号公报 日期:1992年5月29日。工业机器人设置有机器人手(44,46),其能够通过在工件被输送的工件处理位置和工件被供给到夹紧装置(10)之间的转动动作而移动 )和远离工件处理位置的待机位置。 机器人还包括机器人手(42),其能够在工件处理位置处的平面中转动,以使工件与机床的夹紧装置(10)对准,并且能够线性移动的气动缸致动器(48) 机器人手(42)朝向夹紧装置(10)移动并远离夹紧装置(10),以从夹紧装置(10)移除工件。 例如,工业机器人可以通过螺栓容易地固定到机床的床上。
    • 68. 发明授权
    • Piping arrangement for a laser robot wrist
    • 激光机器人手腕的管道布置
    • US5296671A
    • 1994-03-22
    • US930525
    • 1992-09-30
    • Nobutoshi ToriiAkihiro TeradaYasuo Sasaki
    • Nobutoshi ToriiAkihiro TeradaYasuo Sasaki
    • B23K26/08B23K26/10B25J17/02
    • B23K26/0884
    • A piping arrangement in which a plurality of sealing means (70 through 78) are arranged on a sheathing pipe (42) provided as an outer pipe of a robot wrist (18) of a laser robot to thereby define annular chambers (84 through 90); the annular chamber (86 and 90) being used as a gas-carrying annular chamber for transferring an assist gas from one line to another, and a liquid-carrying chamber for transferring a liquid coolant from one line to another; the assist gas and the liquid coolant being supplied and returned through the gas-carrying annular chamber and the liquid-carrying annular chamber (84 and 90). Pipes (22, 24, 26, and 28) are arranged close to and along the outer surfaces of a robot forearm (16) and the robot wrist (18), and predetermined annular chambers (84, 88) other than the gas-carrying annular chamber (86) and the liquid-carrying annular chamber (90) being used as pressure chambers provided with sealing means (70 through 78) arranged thereamong, to thereby prevent leakage of the assist gas from the gas-carrying annular chamber and leakage of the liquid coolant from the liquid-carrying annular chamber.
    • PCT No.PCT / JP92 / 00093 Sec。 371日期:1992年9月30日 102(e)1992年9月30日PCT提交1992年1月30日PCT公布。 公开号WO92 / 13669 日期:1992年8月20日。一种管道装置,其中多个密封装置(70至78)布置在设置为激光机器人的机器人手腕(18)的外管的护套管(42)上,从而限定 环形室(84至90); 环形室(86和90)用作用于将辅助气体从一条线路传送到另一条线路的气体输送环形室,以及用于将液体冷却剂从一条线路转移到另一条线路的液体输送室; 辅助气体和液体冷却剂通过气体输送环形室和液体输送环形室(84和90)被供给和返回。 管道(22,24,26和28)靠近并沿着机器人前臂(16)和机器手腕(18)的外表面布置,以及预定的环形室(84,88),除了气体承载 环形室86和液体输送环状室90被用作设置有密封装置70〜78的压力室,从而防止辅助气体从气体输送环状室泄漏,泄漏 来自液体携带环形室的液体冷却剂。
    • 69. 发明授权
    • Sliding mode control method with a feedforward compensation function
    • 具有前馈补偿功能的滑动模式控制方法
    • US5216342A
    • 1993-06-01
    • US635606
    • 1991-01-02
    • Nobutoshi ToriiRyo NiheiTetsuaki Kato
    • Nobutoshi ToriiRyo NiheiTetsuaki Kato
    • G05B13/00G05B19/19
    • G05B19/19G05B2219/39178G05B2219/39194G05B2219/41367G05B2219/41426G05B2219/41441G05B2219/42034G05B2219/42352Y02P80/114
    • A sliding mode control method with a feedforward compensation function achieves a control response characteristic adapted to varying system parameters and properly maintains a manipulated variable affecting a controlled object. A position deviation (.epsilon.), speed deviation (.epsilon.), predicted maximum and minimum inertias (Jmax, J0), predicted maximum and minimum gravity loads (GRmax, GRmin), switching variable (s), integral element (.intg.(.epsilon.+C.multidot..epsilon.)), second differential (.theta.r) of the command position, and actual speed (.theta.) are periodically calculated on the basis of a command position (.theta.r), actual position (.theta.), inertia data, and gravity load data (100-102, 104, 107, 110, 114, 117, 120, 123, 127). Even when a nonlinear system parameter such as inertia varies, a proper torque command (T) is periodically calculated, as a manipulated variable, on the basis of a switching amount (T1) obtained by adding together five terms calculated in accordance with respective positive or negative signs of the switching variable, position deviation, integral element, second differential, and actual speed (105, 106, 108, 109, 111-113, 115, 116, 118, 119, 121, 122, 124 to 126, 128-131).
    • PCT No.PCT / JP90 / 00602 Sec。 371日期1991年1月2日 102(e)日1991年1月2日PCT提交1990年5月11日PCT公布。 公开号WO90 / 13858 日期1990年11月15日。具有前馈补偿功能的滑动模式控制方法实现了适应于改变系统参数的控制响应特性,并且适当地维护影响受控对象的操纵变量。 位置偏差(ε),速度偏差(ε),预测的最大和最小惯性(Jmax,J0),预测的最大和最小重力载荷(GRmax,GRmin),切换变量,积分元素(INTEGRAL 基于指令位置(θr),实际位置(θ),惯性数据和重力加载数据(θ),周期性地计算指令位置的第二差分(θr)和实际速度(θ) 100-102,104,107,110,114,117,120,123,127)。 即使当诸如惯性的非线性系统参数变化时,基于通过将根据相应的正的或正确的计算的五个项相加得到的切换量(T1)周期性地计算适当的转矩指令(T)作为操纵变量, 开关变量的负符号,位置偏差,积分元件,第二微分和实际速度(105,106,108,109,111,121,121,128,126,129,121,122,124至126,128- 131)。