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    • 26. 发明公开
    • Tool mounting
    • 刀架。
    • EP0162824A2
    • 1985-11-27
    • EP85850169.5
    • 1985-05-13
    • Santrade Ltd.
    • Wirfelt, Sven
    • B23Q3/155B23B29/04
    • B23B29/046B23B2240/36B23B2265/32Y10T82/2589Y10T408/957Y10T409/309464Y10T483/1743
    • A tool mounting between a cutting tool, for example a drill, and a machine spindle, comprising a tool element (10) and a tightening device (38). The tool element (10) consists of a body (11) and an expandable attachment tap (13). The attachment tap (13) is formed with grooves (23,24) to receive a gripping implement of a tool interchanging mechanism and with a through opening (25,28) to receive an end portion (50) of a pull rod. The tightening device (38) comprises a pull rod (41) movably mounted in an inner pipe (40) and forwardly projecting resilient portions (52,53). During changing to an other tool the opening (25, 28) at the attachment tap (13) is moved over the end portion (50) by means of the gripping implement (55) while a wall of the opening of the attachment tap (13) slip against the resilient portions (52,53) until a stop pin (35) on the tool shank engages the end surface of the end portion (50) and the resilient portions snap into recesses (31,32) in the hole wall. The gripping implement is then lifted away and the attachment tap (13) is retained in a pre-centered position whereafter the pull rod (41) is tightened for clamping of the tool shank in the inner pipe (40) during two further centering procedures.
    • 29. 发明公开
    • MACHINING CENTER
    • 加工中心
    • EP2679338A1
    • 2014-01-01
    • EP11859419.1
    • 2011-02-24
    • Makino Milling Machine Co., Ltd.
    • KOIKE, ShinjiNAKAYASU, KazumasaYAMAGUCHI, Yoshitaka
    • B23Q3/155
    • B23Q3/15526B23Q3/15533B23Q3/15706B23Q11/08B23Q11/0891Y10T483/115Y10T483/1743Y10T483/179Y10T483/1795Y10T483/1882
    • A machining center includes a rotatable tool magazine (22) arranged above a work space (WS) facing a spindle (15) tilted so that the spindle side becomes lower and having a plurality of grippers (24) for holding tools (16) in a circumferential direction, and a shutter (26) arranged below the tool magazine (22) to be able to open and close facing the spindle side. The tool magazine (22) has a tool-free area (AR2) where there are no grippers (24) at a part of the circumferential direction and a tool-holding area (ARA) where there are grippers (24) at another part of the circumferential direction. The tool magazine (22) is controlled in rotation so that when the shutter (26) is closed, the tool-free area (AR2) moves to the spindle side while when the shutter (26) is open, the tool-holding area (AR1) moves to the spindle side.
    • 一个加工中心包括一个可转动的刀具库(22),该刀具库布置在工作空间(WS)的上方,该工具库面对一个主轴(15),该主轴(15)倾斜,使得主轴侧变低并且具有多个用于保持工具(16) 以及配置在刀库(22)的下方且能够面向主轴侧开闭的挡板(26)。 刀库(22)具有在圆周方向的一部分上没有夹具(24)的工具自由区域(AR2)和在另一部分具有夹具(24)的工具保持区域(ARA) 圆周方向。 刀库(22)被控制旋转,使得当关闭活门(26)时,无工具区域(AR2)移动到主轴侧,而当活门(26)打开时,工具夹持区域 AR1)移动到主轴侧。