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    • 8. 发明授权
    • Capping chuck assembly
    • 夹头卡盘组件
    • US08220225B1
    • 2012-07-17
    • US13369437
    • 2012-02-09
    • Karl E. Zemlin
    • Karl E. Zemlin
    • B67B3/20B23B31/16B23B31/171
    • B67B3/2066Y10T279/17025Y10T279/17717
    • A capping chuck assembly embodying the present invention comprises an outer chuck housing, and inner, central guide disc upon which a plurality of circumferentially spaced gripper segments are mounted. Each gripper segment includes an inner jaw portion for engagement with an associated closure, and an outer cam surface. The outer chuck housing defines a plurality of inwardly facing, cam drive surfaces positioned for respective engagement with the outer cam surfaces of the gripper segments, so that rotational drive of the outer chuck housing collectively drives the gripper segments and guide disc to urge the segments radially into engagement with an associated closure.
    • 实施本发明的封盖卡盘组件包括外卡盘壳体和内中心导向盘,多个周向间隔开的夹持器段安装在该中心导向盘上。 每个夹持器段包括用于与相关联的闭合件接合的内部夹爪部分和外部凸轮表面。 外卡盘壳体限定多个朝内的凸轮驱动表面,其定位成与夹持器段的外凸轮表面相互接合,从而外卡盘壳体的旋转驱动共同驱动夹持器段和导向盘以径向推动段 与相关闭合件接合。
    • 9. 发明授权
    • Chuck with dual independently actuable sets of jaws
    • 卡盘与双重独立可启动的下颚套
    • US3975030A
    • 1976-08-17
    • US587818
    • 1975-06-18
    • A. Hadi K. AkeelRomuald GmurowskiEberhard E. Wasserbaech
    • A. Hadi K. AkeelRomuald GmurowskiEberhard E. Wasserbaech
    • B23B31/16B23B31/14B23B31/18
    • B23B31/16066B23B31/1605Y10T279/1291Y10T279/17025Y10T279/1921Y10T279/1973Y10T279/243Y10T279/25Y10T279/29Y10T82/27
    • A chuck for a chucking machine has a rotatably supported toroidal body having first and second sets of jaws projecting inward from its inner periphery, the first and second sets of jaws being axially spaced from one another. Each of the sets of jaws has its own actuating mechanism comprising a lead screw engaging each jaw for the movement thereof. All of the lead screws of a set are controlled by a ring gear actuable by a fluid pressure motor to simultaneously advance or withdraw all the jaws of a set. At least the second set of jaws has a slip clutch associated with each lead screw to allow engagement of all jaws with the workpiece regardless of irregularities in the workpiece surface. Separate locking means are provided for each sets of jaws comprising a collar associated with each lead screw, a locking member biased against each collar to apply locking force to the associated jaw and a fluid pressure motor to release the locking force of the locking members of a set to allow advance or withdraw of the jaws by the lead screw. Each jaw has an associated counterweight engaged through a pinion gear to help maintain clamping force at high rotational speeds. The chuck has fluid supply means to the fluid pressure motors including at least one annular channel in the toroidal body open on one axial side, a stationary annular face seal in the stationary portion of the chuck adjacent the open side of the annular channel, a fluid supply passage through the face seal and means for biasing the base seal toward the annular channel for sealing only during the passage of pressurized fluid therethrough for actuation of a fluid pressure motor.
    • 用于夹紧机的卡盘具有可旋转地支撑的环形体,其具有从其内周向内突出的第一组和第二组夹爪,第一和第二组夹爪彼此轴向间隔开。 每组钳口具有其自身的致动机构,其包括接合每个钳口以用于其移动的导螺杆。 一组的所有导螺杆都由一个可由流体压力马达驱动的环形齿轮控制,以同时推进或撤出一组的所有夹爪。 至少第二组夹爪具有与每个导螺杆相关联的滑动离合器,以允许所有夹爪与工件的接合,而与工件表面的不规则性无关。 为每组夹爪提供单独的锁定装置,每个夹爪包括与每个导螺杆相关联的轴环,锁定构件偏置于每个轴环以向相关联的卡爪施加锁定力,并且流体压力马达用于释放锁定构件的锁定力 设置为允许通过导螺杆推进或缩回钳口。 每个钳口具有通过小齿轮接合的相关配重,以有助于在高转速下保持夹紧力。 所述卡盘具有流体压力马达的流体供应装置,所述流体压力马达包括在一个轴向侧上敞开的环形体中的至少一个环形通道,卡盘的静止部分中的固定的环形密封件,邻近环形通道的敞开侧,流体 通过面密封件的供给通道和用于将密封件朝向环形通道偏压的装置,用于仅在通过加压流体通过其以便致动流体压力马达时进行密封。