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    • 3. 发明公开
    • SHEET SLITTING MECHANISM WITH AUTOMATED SIZE ADJUSTMENT
    • 带自动尺寸调整的薄片分切机构
    • EP2776223A1
    • 2014-09-17
    • EP12795143.2
    • 2012-11-02
    • Lasermax Roll Systems, Inc.
    • LEWALSKI, Steven, P.TAYLOR, Bruce, J.
    • B26D7/26
    • B26D7/2635B26D7/2628B26D2007/2657Y10T29/49826Y10T83/04Y10T83/2209Y10T83/6476Y10T83/6478Y10T83/727Y10T83/744Y10T83/7751Y10T83/7826Y10T83/8889
    • This invention provides a slitter assembly (110;120) with automated adjustment of slitter elements (160;162) that allows for driven rotation of elements on the associated drive shaft (150; 152) during operation while enabling the elements to be moved freely along the drive shaft (150; 152) during setup and subsequently secured to the shaft free of lateral movement. This ensures that adjustment of the slitter elements (160; 162) is accurate, repeatable and reliable. In an illustrative embodiment, the slitter elements (160; 162) each comprise a pair of coaxial members including a blade member and a locking member. The blade member contains a slitter blade (422) and overlies the locking member which is nested therewith. The locking member directly engages the drive shaft surface with a wedge assembly structure (410, 420). The members are spring-loaded with respect to each other so that two corresponding wedge surfaces (480, 482) are normally biased to cam together and exert a hoop stress on the drive shaft (150; 152). The hoop stress is relieved, and the slitter element (160; 162) can be relocated along the shaft (150; 152) when a key (194) on a moving carriage or a key assembly (190) is inserted between the blade member and the locking member, thereby overcoming the spring force and un-camming the wedge assembly. The carriage then moves the engaged slitter element to a new location. Two impinging slitter elements (160; 162) are provided in a stacked arrangement, with the key releasably engaging and moving both simultaneously.
    • 本发明提供了一种具有自动调整分切元件(160; 162)的分切组件(110; 120),其允许在操作期间在相关联的驱动轴(150; 152)上驱动元件的旋转,同时使得元件能够沿着 驱动轴(150; 152)在安装期间并且随后固定到轴上而没有横向运动。 这确保了分切元件(160; 162)的调整准确,可重复和可靠。 在说明性实施例中,分切元件(160; 162)各自包括一对同轴构件,该一对同轴构件包括叶片构件和锁定构件。 刀片部件包含切刀刀片(422)并覆盖与其嵌套的锁定部件。 锁定构件直接接合驱动轴表面与楔形组件结构(410,420)。 这些构件相对于彼此弹簧加载,使得两个相应的楔形表面(480,482)通常被偏压以凸轮在一起并且在驱动轴(150; 152)上施加环向应力。 当移动托架上的钥匙(194)或钥匙组件(190)插入到刀片构件(160; 162)之间时,可以释放环向应力,并且可以沿轴(150; 152) 锁定构件,从而克服弹簧力并且解除楔形组件的凸轮。 滑架然后将被啮合的切割器元件移动到新的位置。 两个撞击纵切元件(160; 162)以堆叠布置提供,其中钥匙可释放地同时接合和移动。