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    • 1. 发明申请
    • Robot Welding Controller and Control Method
    • 机器人焊接控制器及控制方法
    • US20080041834A1
    • 2008-02-21
    • US11628738
    • 2005-05-23
    • Kiminori NishimuraRyuichi MoritaSeigo Nishikawa
    • Kiminori NishimuraRyuichi MoritaSeigo Nishikawa
    • B23K9/12
    • B23K9/173B23K9/0671B23K9/0953B23K9/1272
    • The invention provides a robot welding controller and a robot welding control method for realizing welding of high quality by using a robot. The robot welding controller comprises a robot (1) having a welding torch (2) at its tip, a robot controller (5) for controlling the operation of the robot (1), a wire feeder (3) for feeding a wire to the welding torch (2), and a welding electric power source (10) for supplying electric power between the wire and a base material, and performs welding by moving the welding torch (2) on the basis of a commanded welding line. The robot welding controller further comprises a contact detecting section (16) for detecting contact of the wire and the base material; a feed direction switching section (12) for switching feed directions of the wire; an arc generation detecting section (13) for detecting that an arc is generated between the wire and the base material; a waveform control section (22) for controlling electric power waveforms of plural shapes applied between the wire and the base material; and a welding sequence section (20) for controlling the operations of the contact detecting section (16), the feed direction switching section (12), the arc generation detecting section (13) and the waveform control section (22) in block.
    • 本发明提供了一种通过使用机器人实现高质量焊接的机器人焊接控制器和机器人焊接控制方法。 机器人焊接控制器包括:机器人(1),其顶端具有焊炬(2),用于控制机器人(1)的操作的机器人控制器(5),用于将线材馈送到 焊枪(2)和用于在电线和基材之间提供电力的焊接电源(10),并且通过基于命令的焊接线移动焊炬(2)来进行焊接。 所述机器人焊接控制器还包括用于检测所述线和所述基材的接触的接触检测部(16)。 用于切换导线的馈送方向的馈送方向切换部分(12) 电弧产生检测部(13),用于检测在所述电线和所述基材之间产生电弧; 波形控制部(22),用于控制施加在所述导线和所述基材之间的多种形状的电力波形; 以及用于控制接触检测部分(16),进给方向切换部分(12),电弧产生检测部分(13)和波形控制部分(22))的操作的焊接序列部分(20)。
    • 2. 发明授权
    • Process for detecting the initial welding point of a welding robot
    • 用于检测焊接机器人的初始焊接点的工艺
    • US5932122A
    • 1999-08-03
    • US996543
    • 1997-12-23
    • Sung-Jin Hong
    • Sung-Jin Hong
    • B23K9/12B23K9/00B23K9/127
    • B23K9/1272B23K2201/16
    • A method for detecting an initial welding point of a welding robot regardless of any irregularity of a parent metal to be welded and the displacement thereof caused by fastening the parent metal. The method includes identifying a first directional vector oriented toward a virtual point given at a weld end part of a roughly taught welding start point and, identifying a second directional vector indicating a direction of a torch which is oriented toward a weld part and bisects an angle included between welding surfaces of the parent metal. Horizontal and vertical tracking directions are coincided with the direction of the second directional vector are determined when the second vector rotates in a positive(+) and negative(-) direction about the first directional vector, respectively. The torch is moved in the determined horizontal and vertical tracking directions until weld deposition occurs, and after weld deposition, the torch is moved to the determined positions on the basis of operation parameters. The torch is then moved in a direction opposite to a welding proceeding direction on the basis of the determined operation parameters and tracking the end of the parent metal. If the weld deposition occurs at an end of the parent metal, the torch is moved in the welding proceeding direction to return the torch to the initial welding point.
    • 用于检测焊接机器人的初始焊接点的方法,而不管待焊接的母材的任何不规则性以及由母金属紧固引起的位移。 该方法包括识别朝向在粗略教导的焊接起始点的焊接端部处给出的虚拟点的第一方向矢量,以及识别指示朝向焊接部分定向的割炬的方向的第二方向向量,并将角度平分 包括母金属的焊接表面之间。 当第二矢量分别围绕第一方向矢量以正(+)和负( - )方向旋转时,水平和垂直跟踪方向与第二方向矢量的方向一致。 焊枪在确定的水平和垂直跟踪方向上移动,直到发生焊接沉积,并且在焊接沉积之后,基于操作参数将焊炬移动到确定的位置。 然后,根据所确定的操作参数,并且跟踪母金属的末端,以与焊接进行方向相反的方向移动割炬。 如果焊接沉积发生在母体金属的端部,则焊炬在焊接进行方向上移动,以将焊炬返回到初始焊接点。
    • 4. 发明授权
    • Welding robot controlling method
    • 焊接机器人控制方法
    • US4590577A
    • 1986-05-20
    • US432785
    • 1982-12-01
    • Satoru NioToyoji HamashimaShinobu Sato
    • Satoru NioToyoji HamashimaShinobu Sato
    • B23K9/127G05B19/42
    • B23K9/1272G05B19/42G05B2219/36417
    • A welding robot controlling method for controlling a welding robot having a welding torch which has a tip thereof directed toward a teaching direction and sensor which intermittently generates a locus correction signal for the tip of the welding torch, comprising, (1) giving the locus correction signal as a resultant vector of an arbitrary number of two-dimensional vectors on a plane which intersects a welding line direction, (2) correcting a locus by controlling the three basic axes of the robot in a direction of a resultant vector which is composed of a predetermined length vector of which direction is parallel to a line connecting two teaching points and which passes through a tip of the welding torch and the locus correction vector, when the locus correction signal is generated, (3) controlling the three basic axes of the robot such that the tip of welding torch moves on a line which is parallel to the line connecting the two teaching points, until a subsequent locus correction signal is again given after completion of the locus correction.
    • 一种焊接机器人控制方法,用于控制焊接机器人,其具有指向教导方向的尖端的焊枪和间歇地产生焊炬尖端的轨迹校正信号的传感器,包括:(1)给出轨迹校正 信号作为在与焊接线方向相交的平面上的任意数量的二维矢量的合成矢量,(2)通过在由合成矢量构成的合成矢量的方向上控制机器人的三个基本轴来校正轨迹, 当生成轨迹校正信号时,其方向平行于连接两个示教点并穿过焊炬的尖端和轨迹校正矢量的预定长度向量,(3)控制三个基本轴 机器人,使得焊炬的尖端在与连接两个教学点的线平行的线上移动,直到随后的轨迹校正信号 完成轨迹校正后,再次给出nal。
    • 6. 发明授权
    • Automatic and self-adapting process for fusion-welding a joint between
two surfaces
    • 自动和自适应过程,用于熔接两个表面之间的接头
    • US4390775A
    • 1983-06-28
    • US234362
    • 1981-02-13
    • Dominique BiavaJean CornuJean-Marie DetricheRichard GaleraBernard TiretPaul Marchal
    • Dominique BiavaJean CornuJean-Marie DetricheRichard GaleraBernard TiretPaul Marchal
    • B23K9/127G05B19/42B23K9/12
    • G05B19/42B23K9/1272G05B2219/45135G05B2219/50353
    • The invention relates to an automatic and self-adapting process for fusion-welding a joint between two surfaces, with the aid of a welding head which essentially comprises a joint detector and a torch supported by a carrier mobile along the joint. This welding head is mobile in rotation about a main axis related to the carrier and substantially perpendicular to the plane tangential to the surfaces to be welded at the location of the joint, and mobile in translation along this main axis. The torch and the detector are mobile in rotation about a secondary axis related to the head and parallel to the main axis and the torch is able to pass through the main axis in the course of its rotation about the secondary axis.A reference direction for all the degrees of freedom of the head is defined when the above-mentioned axes as well as the axes of the torch and the detector are in the same plane.This process is characterized in that it consists:in recording the electric voltage corresponding to the angular position of the reference direction;in measuring, in the course of welding and for each position of the holder, the angle of the detector with respect to the reference direction of the head, when the detector is above the joint;in correcting, during the operations following the trial operation, the angular position of the torch when the latter occupies the position previously occupied by the detector, by an angular displacement which is a function, on the one hand, of the angular deviation of the detector with respect to the corresponding reference direction at this point of the joint and, on the other hand, of the speed of displacement of the head on its path.The invention relates also to an automatic device for carrying out this process.
    • 本发明涉及一种用于熔接焊接两个表面之间的接头的自动和自适应过程,该焊接头基本上包括接头检测器和由沿着接头的载体移动器支撑的割炬。 该焊接头围绕与载体相关的主轴线旋转,并且基本上垂直于在接头位置处与要焊接的表面切线的平面,并且沿该主轴线可移动。 手电筒和检测器可围绕与头部相关并平行于主轴线的次轴旋转移动,并且割炬能够在围绕副轴线的旋转过程中穿过主轴线。 当上述轴线和割炬和检测器的轴线处于同一平面时,限定头部的所有自由度的参考方向。 该过程的特征在于:记录对应于参考方向的角位置的电压; 在检测器高于接头时,在焊接过程中以及保持器的每个位置测量检测器相对于头部基准方向的角度; 在试验操作期间的操作期间,当手术器占据先前被检测器占据的位置时,在手术中的角位置校正,角位移一方面是检测器的角度偏差的函数 另一方面,头部在其路径上的位移速度相对于该接合点的相应参考方向。 本发明还涉及一种用于执行该过程的自动装置。