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    • 7. 发明专利
    • Tool holding mechanism
    • 工具保持机构
    • JPS5959303A
    • 1984-04-05
    • JP16534182
    • 1982-09-22
    • Yamazaki Mazak Corp
    • SAEKI HIDEKIMIURA YOSHIKUNISAITOU KENJI
    • B23B29/03B23B31/107
    • B23B31/107B23B2260/132B23B2265/32B23B2270/025B23B2270/027
    • PURPOSE:To obtain a simplified tool holding mechanism by forming the head hole of a tool holding mechanism with a circular portion and an escape portion expanded outward from the circular portion and providing a clamping rod as capable of freely protruding the retreating against the head hole. CONSTITUTION:A tool holding mechanism 1 has a tool head hole 2a, and a cylindrical head hole 2a is vertically bored and formed in the tool head 2. The head hole 2a is formed with a circular portion 2b and an escape portion 2c, and a clamping rod 3 formed with a coupling means capable of coupling with a straight shank 9b such as a serration groove 3a is provided at a position opposite to the escape portion 2c as capable of freely protruding and retreating against the head hole 2a. Accordingly, the holder 9 of the straight shank 9b can be reliably held in the head hole 2a. In addition, the holder 9 can be easily machined.
    • 目的:通过形成具有圆形部分的工具保持机构的头孔和从圆形部分向外扩展的逃逸部分来获得简化的工具保持机构,并且提供能够自由地将后退突出抵靠头部孔的夹紧杆。 构成:工具保持机构1具有工具头孔2a,并且在工具头2中垂直钻孔并形成圆柱形头孔2a。头孔2a形成有圆形部分2b和逸出部分2c,并且 形成有能够与诸如锯齿槽3a的直柄9b联接的联接装置的夹紧杆3设置在能够相对于头孔2a自由地突出和后退的位置处与逸出部分2c相对的位置处。 因此,能够将直柄9b的保持件9可靠地保持在头孔2a中。 此外,保持器9可以容易地加工。