公开(公告)号：US4639171A

公开(公告)日：1987-01-27

申请号：US706497

申请日：1985-02-28

申请人： Johann Maier

发明人： Johann Maier

IPC分类号： B23Q1/03 ,  B23Q1/52 ,  B27C3/06 ,  B23B41/00

CPC分类号： B23Q1/03 ,  B23Q1/52 ,  B27C3/06 ,  Y10T408/5614 ,  Y10T408/563 ,  Y10T408/93

摘要： The dowel hole drilling machine comprises a workpiece support. One part of the workpiece support and a crosspiece carrying the drilling unit are mounted to be pivotally movable in unison about an axis. That workpiece support comprises eccentrically mounted supports, which are adapted to be aligned and flush with the workpiece support and to protrude beyond a workpiece support, which extends at right angles to the workpiece support and is spaced the same distance from the pivotal axis as the workpiece support. The workpiece support serves to support the workpiece during a horizontal drilling operation. When the drilling unit is in a vertical position, the stops are flush with the workpiece support and serve as stops for the drilling of the first row of dowel holes. This results in an exact coordination of the drill and the workpiece support, which constitutes a stop for and defines the location of the reference edge during the horizontal and vertical drilling operations. That coordination will not be changed by the pivotal movement of the drilling unit.

摘要翻译： 定位钻孔机包括工件支撑。 工件支撑件的一部分和承载钻孔单元的横档安装成围绕轴线一致地枢转运动。 该工件支撑件包括偏心安装的支撑件，其适于与工件支撑件对准和齐平并且突出超过工件支撑件，该工件支撑件与工件支撑件成直角地延伸，并且与工件的枢转轴线间隔相同的距离 支持。 工件支撑件用于在水平钻井操作期间支撑工件。 当钻井单元处于垂直位置时，止动件与工件支撑件齐平，并用作钻头的第一排定位销孔。 这导致钻头和工件支撑件的精确协调，其构成了在水平和垂直钻井操作期间参考边缘的停止并限定了参考边缘的位置。 钻井单位的关键运动不会改变这种协调。