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    • 1. 发明公开
    • Quick-change chuck device
    • Schnellwechselfutter
    • EP0901858A1
    • 1999-03-17
    • EP98115705.0
    • 1998-08-20
    • POWER TOOL HOLDERS INCORPORATED
    • Montjoy, Kenneth M.Huggins, Mark S.
    • B23B31/20
    • H01L29/7824B23B31/202Y10S279/905Y10T279/17196Y10T279/17341Y10T279/17512Y10T279/17752
    • A quick release chuck device has a body member defining an axially extending bore for receipt of a tool shank. At least a portion of the bore is defined by a plurality of radially compressible and axially extending gripping segments. The gripping segments are equally spaced and defined by axial slots extending from a front face of the body member. At least two axially extending and aligned recesses are defined on each of the gripping segments. An operating member is coaxial with and surrounds at least the gripping segments of the body member. The operating member defines a varying radial width channel with the recesses formed on the outside of the gripping segments. The operating member is axially movable relative to the body member. Actuating elements, such as balls, are disposed within the varying radial width channels. The actuating elements are movable within the channels by axial movement of the sleeve member from a gripping position wherein the balls are in a reduced radial width section of the channels causing the gripping segments to compress radially inward, and a release position wherein the balls move into a greater radial width section of the channels allowing radial expansion of the gripping segments.
    • 快速释放卡盘装置具有限定用于接收工具柄的轴向延伸的孔的主体构件。 孔的至少一部分由多个可径向压缩且轴向延伸的夹持段限定。 夹持段由从主体构件的前表面延伸的轴向狭槽间隔开并限定。 至少两个轴向延伸和对齐的凹部限定在每个夹紧段上。 操作构件与身体构件的至少夹持段同轴并且至少围绕身体构件的夹持段。 操作构件限定了形成在夹持段的外侧上的凹部的变化的径向宽度通道。 操作构件可相对于主体构件轴向移动。 诸如球的致动元件设置在变化的径向宽度通道内。 致动元件可以在通道内通过套筒构件从夹紧位置的轴向移动而移动,其中球处于通道的减小的径向宽度部分中,使得抓握段径向向内压缩,并且释放位置,其中球移动到 通道的较大的径向宽度部分允许夹持段的径向膨胀。
    • 4. 发明公开
    • DRAW-TYPE TO STATIONARY-TYPE COLLET ADAPTER
    • MOBILER ODERSTATIONÄRERSPANNZANGENADAPTER
    • EP3071354A4
    • 2017-08-23
    • EP14864089
    • 2014-11-21
    • MASA TOOL INC
    • SACCOMANNO III MATTHEW
    • B23B31/20B23B51/12B23Q3/12
    • B23B31/207B23B31/26B23B31/265B23B2231/04Y10T279/1266Y10T279/17341Y10T279/17427Y10T279/17521Y10T279/3406
    • A collet adapter operates a draw-type collet in an axially stationary mode in a machine spindle that would otherwise operate with a stationary collet. The machine spindle has an axially stationary outer portion including a cap nut and an axially movable sleeve inside the axially stationary portion. The collet adapter includes an adapter body and a restraining apparatus. The adapter body has an outside surface that fits into the axially movable sleeve such that adapter body moves axially with the axially movable sleeve. The adapter body has an inside surface that receives the draw-type collet in sliding engagement. The restraining apparatus is configured to transmit an axial force from the stationary cap nut to a rearward portion of the draw-type collet to restrain axial motion of the draw-type collet. As a result of this axial constraint forward and backward motion of the axially movable sleeve closes and opens the collet respectively through the sliding engagement between the collet and the inside surface of the adapter body.
    • 夹头适配器在机器主轴中以轴向静止模式操作拉动式夹头,否则该夹头将与固定夹头一起操作。 机器主轴具有轴向静止的外部部分,该外部部分包括盖螺母和轴向静止部分内的可轴向移动的套筒。 夹头适配器包括适配器主体和限制装置。 适配器本体具有配合到轴向可移动套筒中的外表面,使得适配器本体与可轴向移动套筒轴向移动。 适配器本体具有内表面,该内表面以滑动接合的方式容纳牵引式筒夹。 限制装置构造成将来自固定帽螺母的轴向力传递至拉式夹头的后部以限制拉引式夹头的轴向运动。 由于该轴向约束,轴向可移动套筒的向前和向后运动分别通过夹头与适配器主体的内表面之间的滑动接合来闭合和打开夹头。