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    • 4. 发明公开
    • Method and apparatus for making perforations continuously
    • Verfahren und Vorrichtung zum ununterbrochenen Perforieren。
    • EP0591959A1
    • 1994-04-13
    • EP93116196.2
    • 1993-10-06
    • FUJI PHOTO FILM CO., LTD.
    • Seikai, Hiroshi, c/o Fuji Photo Film Co., Ltd.Takahashi, Koichi, c/o Fuji Photo Film Co., Ltd.Suzuki, Mitsuru, c/o Fuji Photo Film Co., Ltd.Tsuzaki, Hiroshi, c/o Fuji Photo Film Co., Ltd.
    • B26F1/08
    • B26F1/0007B26F1/08Y10T83/0515Y10T83/207Y10T83/4815Y10T83/489Y10T83/50
    • A perforator (10) has a rotary drum (11). A plurality of die sets (12) are arranged at regular intervals around the peripheral surface (16) of the drum and circulates along with the peripheral surface (16). Each of the die sets (12) has a pair of die (27) and punch (29). The die (27) is secured to a die holder (28) which is mounted to the peripheral surface (16), and the punch (29) is secured to a punch holder (30) which is linearly movable in a direction perpendicular to the peripheral surface (16) between a punch position where the punch (29) is fitted in the die (27) and a retracted position where the punch (29) is retracted away from the die (27). The sheet material (15) is brought into contact with the peripheral surface (16) within a predetermined range, and conveyed on the peripheral surface (16) in the same direction at the same speed as the die sets (12). An annular punch drive cam (13) disposed surrounding the peripheral surface (16) drives the punch holder (30) to move between the punch position and the retracted position. The punch (29) or the sheet material (15) is shifted into a relief position where the punch (29) cannot interfere with the sheet material beyond the predetermined contact range of the sheet material (15) with the peripheral surface (16).
    • 穿孔器(10)具有旋转鼓(11)。 多个模具组(12)围绕滚筒的圆周表面(16)以规则的间隔布置,并与周边表面(16)一起循环。 每个模具组(12)具有一对模具(27)和冲头(29)。 模具(27)被固定到安装到外周表面(16)的模具保持器(28)上,并且冲头(29)固定到冲头保持器(30),冲头保持器(30)能够沿垂直于 位于模具(27)中的冲头(29)的冲头位置和冲头(29)从模具(27)缩回的缩回位置之间的周边表面(16)。 片材(15)在预定范围内与周面(16)接触,并以与模具组(12)相同的速度沿相同方向在周面(16)上传送。 围绕周边表面(16)设置的环形冲头驱动凸轮(13)驱动冲头保持件(30)在冲头位置和缩回位置之间移动。 冲头(29)或片材(15)移动到冲压件(29)不会与片材(15)的预定接触范围与外周表面(16)干涉的片材的释放位置。