Apparatus for continuously producing tube having helical grooves in its
inner surface
    1.
    发明授权
    Apparatus for continuously producing tube having helical grooves in its inner surface 失效
    用于在其内表面连续生产具有螺旋槽的管的装置

    公开(公告)号:US4766751A

    公开(公告)日:1988-08-30

    申请号:US36055

    申请日:1987-04-09

    CPC分类号: B21C37/207 B21D11/14

    摘要: An apparatus for continuously producing a tube having helical grooves in its surface comprises a first drum, a flier having an axis intersecting the axis of the first drum at right angles therewith and rotatable around the first drum, and a second drum. One of the two drums serves as a pay-off drum for paying off a tube having straight grooves in its inner surface, while the other drum serves as a take-up drum for winding thereon the helically grooved tube obtained. At one side of the pay-off drum where the paid-off straight-grooved tube is to be transferred to the flier, a device is provided for preventing the torsion of the tube produced by the rotation of the flier from being transmitted toward the pay-off drum. A correcting device is provided between the flier and the take-up drum for remedying deformation of the helically grooved tube. With the rotation of the flier, the straight-grooved tube is twisted, whereby the straight grooves are deformed to helical grooves to afford a helically grooved tube.

    摘要翻译: 一种在其表面上连续生产具有螺旋槽的管的设备包括:第一滚筒,具有与第一滚筒的轴线成直角相交且与第一滚筒一起旋转的轴线的飞行器和第二滚筒。 两个鼓中的一个用作放出鼓,用于在其内表面中排出具有直槽的管,而另一个鼓用作卷绕在其上的卷取滚筒,其上获得的螺旋形沟槽。 在发放滚筒的一侧,有偿的直槽管将被转移到飞行器上,提供一种装置,用于防止由飞行员的旋转产生的管的扭转朝向付费 折鼓。 在飞轮和卷取滚筒之间设置校正装置,以补救螺旋槽管的变形。 随着飞翼的旋转,直槽管被扭曲,由此直槽变形成螺旋槽,以提供螺旋形沟槽管。