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    • 7. 发明申请
    • METHOD OF SHEARING METAL STRIP AND APPARATUS THEREFOR
    • 剪切金属条及其装置的方法
    • WO99002296A1
    • 1999-01-21
    • PCT/GB1998/001993
    • 1998-07-07
    • B23D25/02B23D25/12B26D1/42
    • B26D1/425B23D25/02B23D25/12Y10T83/4653Y10T83/4682Y10T83/4685Y10T83/4693Y10T83/4708Y10T83/4833Y10T83/8748Y10T83/9471
    • The invention relates to an apparatus for cutting metal strip comprising first and second rotatable drums (6, 7) with corresponding first and second cutting means arranged side-by-side so that the metal strip may pass between them, the first and second cutting blade means (8, 9) is retractable between a first retracted position in which the strip is permitted to pass freely between the drums (6, 7) whilst they are rotating and a second extended position in which the blade means (8, 9) extends ourwardly from the drum (6, 7) to cut the strip. The first and second drums (6, 7) are provided with an actuator rod (21, 22) arranged axially in the drum such that axial movement of the actuator rod (21, 22) results in corresponding extension or retraction of the cutting blade means. The first cutting blade means may be fixed and the second cutting blade means is retractable or alternatively both may be retractable. Axial movement of the actuating rod (21, 22) causes extension followed by retraction of the blade in a single movement of the actuating rod (21, 22) by means of an external surface which undulates along its length.
    • 本发明涉及一种用于切割金属带的装置,包括第一和第二可旋转滚筒(6,7),其具有并排布置的对应的第一和第二切割装置,使得金属条可以在它们之间通过,第一和第二切割刀片 装置(8,9)可在第一缩回位置和第二延伸位置之间缩回,在该第一缩回位置,条带被允许在滚筒(6,7)旋转之间自由地通过滚筒(6,7) 从鼓(6,7)我们从切割条。 第一和第二鼓(6,7)设置有轴向布置在滚筒中的致动器杆(21,22),使得致动器杆(21,22)的轴向运动导致切割刀片装置相应的延伸或缩回 。 第一切割刀片装置可以是固定的,并且第二切割刀片装置是可缩回的,或者两者可以是可缩回的。 致动杆(21,22)的轴向运动引起延伸,随后通过沿其长度波动的外表面在致动杆(21,22)的单个运动中使叶片回缩。