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    • 21. 发明申请
    • CHUCK FOR CUTTING TOOL
    • 切割工具
    • WO1996037326A1
    • 1996-11-28
    • PCT/JP1996001361
    • 1996-05-23
    • TAGAMI, Tetsuro
    • B23B31/20
    • B23B31/202B23B31/201B23B2226/33B23B2231/2016B23B2260/022Y10T279/17529Y10T279/17598Y10T279/17752Y10T279/17923Y10T279/17965Y10T409/30952
    • A chuck for a cutting tool, which facilitates exchange of a collet. A fastening collar (12) is threaded onto an outside of a chuck cylinder (14), and is formed inside thereof with a guide groove (24) which comprises a deep groove (24a) and a shallow groove (24b). Received axially slidably in the chuck cylinder (14) is a drive shaft (16), from which an ear shaft (26a) laterally extends to be fitted into the guide groove (24). A collet (20) is detachably mounted to a tip end of the drive shaft (16). The fastening collar (12) is turned so as to guide the ear shaft (26a) to a position other than the deep groove (24a) in the guide groove (24), thereby lifting the drive shaft (16) for supporting the collet (20). Also, the fastening collar (12) is turned so as to guide the ear shaft (26a) into the deep groove (24a), thereby pushing the drive shaft (16) for dismounting the collet (20). Accordingly, only turning of the fastening collar (12) can mount and dismount the collet (20).
    • 用于切割工具的卡盘,其有助于更换夹头。 紧固环(12)螺纹连接到卡盘缸(14)的外侧,并且在其内部形成有包括深槽(24a)和浅槽(24b)的引导槽(24)。 卡盘缸(14)中轴向可滑动地接收驱动轴(16),耳轴(26a)从该驱动轴横向延伸以装配到引导槽(24)中。 夹头(20)可拆卸地安装到驱动轴(16)的末端。 转动紧固环(12)以将耳轴(26a)引导到引导槽(24)中的深槽(24a)以外的位置,从而提升用于支撑夹头的驱动轴(16) 20)。 此外,紧固环(12)转动以将耳轴(26a)引导到深槽(24a)中,从而推动用于拆卸夹头(20)的驱动轴(16)。 因此,只有紧固环(12)的转动才能安装和拆卸夹头(20)。