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    • 23. 发明公开
    • ROTARY CLAMP MECHANISM FOR A FIBER PLACEMENT HEAD
    • 一种光纤贴装头的旋转夹持机构
    • EP2207744A1
    • 2010-07-21
    • EP08839306.1
    • 2008-10-15
    • Cincinnati Machine, LLC
    • WEINMAN, Dennis, L.RUST, Ralph, J.
    • B65H81/00B29C70/38
    • B65H51/10B29C70/384B29C70/545B65H2701/38
    • A rotary clamp mechanism for a fiber placement head comprises a one-way bearing and a freewheeling roller mounted upstream of the restart mechanism. An actuating mechanism brings the freewheeling roller and the one-way bearing into contact with the fiber tow and allows the tow to be fed through the head from the upstream to the downstream end, but prevents the fiber tow from traveling in the reverse direction through the head. The rotary clamp is put into contact with the fiber tow prior to cutting the tow, and remains in contact with the tow until the restart mechanism has advanced the cut tow to the delivery end of the head. The rotary clamp eliminates the need for precise timing between the cutting and clamping mechanisms, and increases the application rate of fiber tow by the head.
    • 用于纤维铺放头的旋转夹紧机构包括单向轴承和安装在重启机构上游的惯性滑轮。 致动机构使续流辊和单向轴承与纤维束接触并允许纤维束从上游端通过头部供应到下游端,但是防止纤维束沿相反方向穿过 头。 旋转夹具在切割丝束之前与纤维丝束接触,并且保持与丝束接触,直到重启机构将切割后的丝束推进到头部的输送端。 旋转夹钳消除了切割和夹紧机构之间精确定时的需要,并增加了纤维束头部的使用率。