Optical light beam device for automatically controlling the bending
operation when bending with a press brake
    1.
    发明授权
    Optical light beam device for automatically controlling the bending operation when bending with a press brake 失效
    用于在用压力机弯曲时自动控制弯曲操作的光束装置

    公开(公告)号:US4772801A

    公开(公告)日:1988-09-20

    申请号:US925071

    申请日:1986-10-30

    CPC classification number: G01B11/16 B21D5/02

    Abstract: An optical light beam device for automatically controlling the bending operation when bending with a press brake, comprising an emitter (1), mounted on one side of the press, adapted to produce a large-diameter light beam (8), directed parallel to the bending axis of the workpiece to be bent, and a receiver (4) comprising a box (11) including a screen (14) drilled with a plurality of holes (15) arranged to forming a plurality of light beams (16) of small diameters. The box (11) comprises a deflecting means (17) intended to deflecting the light beams (16) on to a system of photodiodes (18) arranged on the axis of rotation (19) of a rotating motor (12) fast with the box (11) and with an angle coder (13). A microordinator is connected to the photodiodes (18) and to the angle coder (13) and permits the determination of the instantaneous bending angle of the workpiece and the control of the descent of the punch.

    Abstract translation: 一种用于在用压制机弯曲时自动控制弯曲操作的光束装置,包括安装在压机一侧的发射器(1),适于产生大直径光束(8),该大直径光束 弯曲的工件的弯曲轴线以及包括盒子(11)的接收器(4),盒子(11)包括用多个孔(15)钻出的筛(14),所述多个孔被布置成形成多个小直径的光束(16) 。 盒(11)包括偏转装置(17),用于将光束(16)偏转到布置在旋转马达(12)的旋转轴线(19)上的光电二极管(18)的系统上,该旋转马达(12)与盒子 (11)和角度编码器(13)。 微点连接到光电二极管(18)和角度编码器(13),并允许确定工件的瞬时弯曲角度并控制冲头的下降。

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