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    • 12. 发明授权
    • Hole punch for a cutting die
    • 冲孔用于切割模具
    • US4522095A
    • 1985-06-11
    • US420729
    • 1982-09-21
    • Philip G. SaundersJack R. Simpson
    • Philip G. SaundersJack R. Simpson
    • B26F1/14B26F1/44B26D7/06
    • B26F1/14B26F1/44B26F1/384Y10T83/2107Y10T83/2109Y10T83/2122Y10T83/2133
    • A punch for a cutting die is provided for forming holes in corrugated board or the like. The hole punch includes a tubular metal member of circular transverse cross section having one end substantially flush with the back surface of a die plate in which it is mounted and the other end extending beyond the front surface of the die plate and terminating in a circular cutting edge. A body of resilient material, preferably molded rubber, is located within the cylindrical member and has one end terminating near the back end of the tubular member and another end terminating near the cutting edge of the tubular member. The purpose of the body is to eject and strip the scrap of corrugated board from the punch and from the rest of the blank being formed by the cutting die. The resilient body has a central, cylindrical recess at one end which enables the resilient material to be deformed inwardly when engaging a corrugated board being cut by the circular cutting edge. The other end of the resilient body is closed off which enables the body to be more easily inserted in the tubular metal member. This end is also chamfered which increases the life of the resilient body.
    • 提供用于切割模具的冲头用于在瓦楞纸板等中形成孔。 孔冲头包括圆形横截面的管状金属构件,其一端基本上与其中安装的模板的背面齐平,并且另一端延伸超过模板的前表面并终止于圆形切割 边缘。 弹性材料体,优选模制橡胶体位于圆筒形构件内,并且一端终止在管状构件的后端附近,另一端终止在管状构件的切割边缘附近。 本体的目的是从冲头和由切割模形成的坯料的其余部分上弹出和剥离波纹板的废料。 弹性体在一端具有中心的圆柱形凹部,当接合由圆形切割边缘切割的瓦楞纸板时,弹性材料能够向内变形。 弹性体的另一端被封闭,使得主体能够更容易地插入到管状金属构件中。 该端也被倒角,这增加了弹性体的寿命。