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    System for setting the vertical position of the rounding bar in a book block rounding and backing machine
    81.
    发明授权
    System for setting the vertical position of the rounding bar in a book block rounding and backing machine 失效
    用于设置书芯圆形和背衬机中圆形杆的垂直位置的系统

    公开(公告)号：US4747740A

    公开(公告)日：1988-05-31

    申请号：US42308

    申请日：1987-04-24

    申请人： Karl-Ludwig Rahe

    发明人： Karl-Ludwig Rahe

    IPC分类号： B42C5/02

    CPC分类号： B42C5/02

    摘要： In a system for setting the vertical position of the rounding bar in a book block rounding and backing machine which possesses a support bearing unit, within which the rounding bar that acts on the spine of the book block reciprocates, the support-bearing unit is adjusted in the vertical direction, in side frames, by means of adjusting spindles, so as to set its vertical position, and is immobilized in the side frames by means of a clamping arrangement. The support bearing unit 7 is carried in a frame 4 and can, with the rounding bar 3, be deposited, by their own dead weight, onto the spine of a book block 1. The support bearing unit 7 is supported on intermediate supporting elements 24, 24a so that it cannot descent below them, while being free to slide upwards. The intermediate supporting elements 24, 24a are lowered by means of adjusting spindles 22 which can be motor driven. Once the rounding bar 3 has been deposited onto the spine of the book block 1, the intermediate supporting elements 24, 24a can be lowered through a further, defined travel distance, into a datum end position. Furthermore, a switch device 31, 32 is provided, which enables the rotation of the adjusting spindles 22 to be switched off, once the datum end position has been reached, and which enables a ram-type actuator 37 to be activated so as to operate a clamping arrangement 33-36 for automatically immobilizing the support-bearing unit 7 in the side frame 4.

    摘要翻译： 在用于设置具有支撑轴承单元的书芯圆整和背衬机器中的圆形杆的垂直位置的系统中，其中作用在书芯的脊柱上的圆形条在该支撑单元内往复运动，调节支承单元 在垂直方向上，在侧框架中，通过调节心轴，以便设置其垂直位置，并通过夹紧装置固定在侧框架中。 支撑轴承单元7被支撑在框架4中，并且可以将四周杆3通过它们自重的沉积物沉积在书芯1的脊柱上。支撑轴承单元7被支撑在中间支撑元件24上 ，24a，使其不能在其下方下降，同时可以向上滑动。 中间支撑元件24,24a通过可以由电动机驱动的调节主轴22降低。 一旦圆形棒3已经沉积到书本块1的脊柱上，则中间支撑元件24,24a可以通过另外的限定的移动距离降低到基准端的位置。 此外，设置了开关装置31,32，一旦达到基准端位置就能使调节主轴22的转动切断，并且使得能够启动冲头式致动器37以便操作 用于将支承轴承单元7自动固定在侧框架4中的夹紧装置33-36。

    Calendar
    90.
    发明授权
    Calendar 失效

    公开(公告)号：US462627A

    公开(公告)日：1891-11-03

    申请号：US462627D

    CPC分类号： B42C5/02