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1. 发明授权

US07124671B2 Method and device for reducing web breakage in a web cutter 有权
标题翻译：用于减少卷筒纸切割机中的纸幅断裂的方法和装置
公开(公告)号：US07124671B2
公开(公告)日：2006-10-24
申请号：US10431237
申请日：2003-05-06
申请人： Daniel J Williams , Gregory P Skinger , John W Sussmeier
发明人： Daniel J Williams , Gregory P Skinger , John W Sussmeier
IPC分类号： B23Q15/00 , B26D5/00 , B65H20/00
CPC分类号： B65H20/22 , Y10T83/04 , Y10T83/148 , Y10T83/159 , Y10T83/4529 , Y10T83/4594 , Y10T83/536
摘要： In a web cutter where a blade is used to cut a continuous paper web into sheets, a tractor is used to move the web past the blade for cutting. The tractor operates in a start-and-stop cycle so that the web is temporarily stopped to allow the blade to lower and shear the web. The tractor accelerates in the next cycle to move another length of paper downstream from the blade. A high-speed cutter requires high acceleration of the tractor. This acceleration force causes the web to whip up uncontrollably, causing the web to break or wrinkle. To reduce the web breakage, a moving mechanism positioned upstream from the tractor and operate a second motion cycle is used to move the web toward the tractor such that a loop of paper is formed upstream of the tractor, thereby reducing the whipping action of the web.
摘要翻译：在使用刀片将连续纸幅切割成片材的卷筒纸切割器中，使用拖拉机将纸幅移动通过刀片进行切割。拖拉机在起动和停止循环中操作，使得纸幅暂时停止，以允许叶片降低并剪切幅材。拖拉机在下一个循环中加速，从刀片下游移动另一长度的纸张。高速切割机需要拖拉机的高加速度。这种加速力导致网片不受控制地鞭打，导致网片断裂或起皱。为了减少纸幅断裂，使用位于拖拉机上游并运行第二运动循环的移动机构将纸幅朝向拖拉机移动，使得在拖拉机的上游形成一圈纸张，从而减少纸幅的打击动作。

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