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    • 10. 发明授权
    • Rotating shear for high-speed wire-rolling line
    • 高速线材生产线的旋转剪切
    • US4494427A
    • 1985-01-22
    • US453120
    • 1982-12-27
    • Gerhard PechauEwald WyzgolRudi Jacob
    • Gerhard PechauEwald WyzgolRudi Jacob
    • B23D25/12B23D33/02
    • B23D25/12B23D33/02Y10T83/4714Y10T83/4769Y10T83/4836
    • A rotating shear for cutting a rapidly moving wire has a pair of cutter heads rotatable about parallel axes and having respective blades. A drive synchronously counterrotates the heads about the respective axes with close juxtaposition of the blades on each revolution. Thus when the wire is between the heads level with the blades it is severed thereby. A guide tube surrounds the wire upstream of the heads and has a downstream end movable generally parallel to the axes and positioned adjacent and between the cutter heads. The wire exits from the guide tube in a direction generally perpendicular to the plane of the head axes. A guide head fixed to one of the cutter heads is formed with a generally helical guide groove centered on the respective axis. An axially and radially displaceable but angularly generally nondisplaceable follower can move between a position engaged in the groove and axially entrainable thereby and a position clear thereof. An actuator displaces the follower between the positions. A rigid link is connected between the follower and the guide tube so that when the follower is in the groove the tube can be pulled axially into and out of alignment with the blades for cropping of the wire and when out of the groove the tube can be moved independently of the head.
    • 用于切割快速移动的线的旋转剪切件具有可围绕平行轴线旋转并具有相应刀片的一对刀头。 一个驱动装置同步地使头部围绕相应的轴旋转,每个转动时叶片的并列位置紧密。 因此,当导线位于头部与叶片之间时,它被切断。 引导管围绕头部上游的线,并且具有可平行于轴线移动的下游端,并且定位成与刀头相邻并位于刀头之间。 导线沿着大致垂直于头轴平面的方向从导向管出口。 固定到一个刀头的引导头形成有以相应轴线为中心的大致螺旋形的导向槽。 轴向和径向可移位但是角度上通常不可置换的从动件可以在啮合在槽中的位置和轴向可夹带的位置和清除其位置之间移动。 致动器在位置之间移动从动件。 在从动件和引导管之间连接有刚性连杆,使得当从动件处于槽中时,管可以被轴向地牵引到与刀片对准的位置并与刀片对齐以便切割线,并且当出槽 独立于头部移动。