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    • 8. 发明公开
    • PUNCH DIE
    • SCHLAGMATRIZE
    • EP2962779A4
    • 2017-04-05
    • EP14757159
    • 2014-02-19
    • AMADA HOLDINGS CO LTD
    • ENDO SHIGERUNAKAI HIROSHI
    • B21D28/34B21D28/36
    • B21D28/346B21D28/34Y10T83/9476
    • A punch die is comprised of: a punch body comprising a punch edge portion at a lower end portion along an axis, a key projecting from an outer periphery, and a punch driver at an upper portion along the axis; a punch guide comprising an inner hollow elongated along the axis and receiving the punch body to be movable along the axis, and a keyway formed on an internal periphery of the inner hollow to extend along the axis and mesh with the key; a retainer collar rotatably combined with the punch guide at an upper end along the axis and around the axis, the punch driver passing through the retainer collar to be movable along the axis; a punch head screwed in an upper end portion along the axis of the punch driver to regulate a position of the punch driver; an elastic member interposed between the punch head and the retainer collar to bias the punch driver upward along the axis; a circular opening formed on an upper surface along the axis of the punch guide and wider than the inner hollow of the punch guide; a plurality of dent portions getting dented radially outward relative to the axis from an internal periphery of the circular opening and being mutually circumferentially spaced; and a press-button supported by the retainer collar, movable in a radial direction relative to the axis, and biased outward, the press-button comprising an engaging portion capable of engaging with any of the plurality of dent portions.
    • 一种冲压模具,其特征在于,包括:冲头主体,该冲头主体在沿着轴线的下端部具有冲头边缘部,从外周部突出的按键以及沿该轴线的上部的冲头驱动器; 冲头引导件,其包括沿着所述轴线延伸并且容纳所述冲头主体以沿着所述轴线可移动的内部中空部以及形成在所述内部中空部的内周边上以沿着所述轴线延伸并且与所述钥匙相啮合的键槽; 保持套圈,所述保持套圈在沿着所述轴线的上端处且围绕所述轴线与所述冲头引导件可旋转地结合,所述冲头驱动器穿过所述保持套圈以沿着所述轴线可移动; 冲头,其沿冲头驱动器的轴线旋入上端部以调节冲头驱动器的位置; 插入在所述冲头和所述保持环之间的弹性构件,以沿着所述轴线向上偏置所述冲头驱动器; 沿着冲头导向件的轴线形成在上表面上并且比冲头导向件的内部空腔宽的圆形开口; 多个凹部相对于轴线从圆形开口的内周边径向向外凹陷并且相互周向间隔开; 以及由所述保持环支撑的按钮,所述按钮相对于所述轴线在径向方向上可移动并且向外偏置,所述按钮包括能够与所述多个凹部中的任一个接合的接合部。