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    SPRING FORMING DEVICE AND FORMING METHOD
    1.
    发明公开
    SPRING FORMING DEVICE AND FORMING METHOD 审中-公开
    FERERHERSTELLUNGSVORRICHTUNG UND VERFAHREN ZUR HERSTELLUNG

    公开(公告)号：EP3059025A1

    公开(公告)日：2016-08-24

    申请号：EP14854805.0

    申请日：2014-10-08

    申请人： NHK Spring Co., Ltd.

    发明人： TAKAHASHI, Keita ,  SHIRAISHI, Tohru ,  ONO, Yuichiro ,  NAGASAWA, Kaoru

    IPC分类号： B21F35/00 ,  B21F11/00 ,  B21F23/00

    CPC分类号： B21F35/00 ,  B21F3/06 ,  B21F11/005 ,  B21F23/00 ,  B21F99/00 ,  H05B6/101

    摘要： A spring forming device in which the steel wire can be continuously cut off without stopping the feeding of the steel wire in cutting, and in which the steel wire can be uniformly heated, is provided. The spring forming device has a wire supplying mechanism for supplying a steel wire using a plurality of feeding rollers, a heating mechanism for heating the steel wire, a coiling mechanism for forming in a coil state the heated steel wire, and a cutting mechanism for cutting the steel wire coiled at a given number of turns off the steel wire remained backward. A cutting blade of the cutting mechanism follows tracks having a speed Va that moves to the receiving blade and a speed Vc that moves in an axial direction of the coiled steel wire, in cutting of the steel wire.

    摘要翻译： 提供一种弹簧形成装置，其中钢丝可以连续切断而不停止钢丝在切割中的进给，并且其中钢丝可以被均匀地加热。 弹簧形成装置具有用于使用多个进给辊供给钢丝的供线机构，用于加热钢丝的加热机构，用于在线圈状态形成加热的钢丝的卷取机构以及用于切割的切割机构 以一定数量的关闭钢丝卷绕的钢丝丝线向后退。 在切割钢丝时，切割机构的切割刀片跟随具有移动到接收刀片的速度Va的轨道和沿着线圈钢丝的轴向方向移动的速度Vc。