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    • 10. 发明公开
    • Drill spindle depth adjustment
    • Bohrspindel-Tiefeneinstellvorrichtung。
    • EP0386532A1
    • 1990-09-12
    • EP90103373.8
    • 1990-02-22
    • International Business Machines Corporation
    • Danton, John LorimerKlaiber, Albert Frederick, IIITerboss, Richard Arthur
    • B23B49/00
    • B23B49/006Y10T408/675Y10T408/91Y10T408/99Y10T409/30672
    • A drilling device for drilling blind holes to a prese­lected depth in a work piece is provided. The drilling device includes a drill which rotatably drives a spindle (16) which spindle drives a drill bit (18). Guide means (26) for mounting the drill member for axial movement to perform the drilling operation are provided. A rod member (28) is secured to and extends from the drill member and is moveable axially therewith as the drill performs its drilling function. An adjustable member (30) is threadably mounted on the rod (28) and is moveable relatively axially on the rod. Adjusting means (40) including a wheel and detent are provided which are connected to the adjustable member (30) and the rod member (28) to rotate the adjustable member with respect to the rod member (28) to thereby cause relative axial movement of the rod member and adjustable member which will change the relative position of the adjustable member on the rod member. Actuating means (12) are also provided which are selectively connectable to the adjustable member (30) to reciprocally drive the adjustable member between a retracted position and a fully actuated position to thereby provide a drive actuation for the drill. Hence the relative movement of the adjustable member (30), the rod member (28) will change the fully actuated position of the drill bit upon actuation irrespective of the position of the actuating member (12).
    • 提供了用于将盲孔钻到工件中预选深度的钻孔装置。 钻孔装置包括钻头,该钻头可旋转地驱动主轴驱动钻头(18)的主轴(16)。 提供了用于安装用于轴向移动以执行钻孔操作的钻头构件的导向装置(26)。 杆构件(28)固定到钻头构件上并从钻杆构件延伸,并且随着钻具执行其钻孔功能,杆构件可轴向移动。 可调节构件(30)螺纹地安装在杆(28)上并且可以在杆上相对轴向地运动。 提供了包括轮和制动器的调节装置(40),其连接到可调节构件(30)和杆构件(28),以使可调节构件相对于杆构件(28)旋转,从而导致相对轴向运动 杆构件和可调节构件将改变可调节构件在杆构件上的相对位置。 还提供了致动装置(12),其可选择性地连接到可调节构件(30),以在缩回位置和完全致动位置之间往复地驱动可调节构件,从而为钻头提供驱动致动。 因此,可调节构件(30),杆构件(28)的相对运动将在致动构件(12)的位置无论在致动时改变钻头的完全致动位置。