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    • 1. 发明专利
    • TOOL MOUNTING DEVICE
    • JPH01140904A
    • 1989-06-02
    • JP29616087
    • 1987-11-26
    • TOSHIBA TUNGALOY CO LTDTOSHIBA CORP
    • SUGANO SHIGEYUKIBABA HIROSHISAITO YASUOSATO SHINICHI
    • B23B31/107B23B31/00B23B31/117
    • PURPOSE:To facilitate mounting operation for mounting a tool onto a tool holding body side by providing a tool inserting portion in the tip end portion of a slide member, and as well disposing in the tool holding body a temporary tool fixing mechanism portion having an engaging member, an energizing member and a pressing member. CONSTITUTION:With a tool inserted into the tool inserting portion 35 of a slide member 29 disposed in an arbor portion (a tool holding body) 22, the pressing member 46 of a temporary tool fixing mechanism portion 43 presses an engaging member 44 against a spring (energizing member) 45 so as to engage a tool main body 21 on the slide member 29 side in the arbor portion 22 and temporarily fix it on the arbor portion 22 side. And further, under this temporarily fixed state, a stud on a machine tool main body side pulls the rear end portion of the slide member 29 in the arbor portion 22 to a predetermined engaging position so as to connect the tool main body 21 held by the arbor portion 22 detachably onto the spindle side of the machine tool main body. Thus, by the use of the pulling force of a pull stud, the tool is firmly fixed on the spindle side of the machine tool main body. Therefore, even a large- diameter tool with high cutting resistance can be disposed.
    • 5. 发明专利
    • AUTOMATIC TOOL EXCHANGING DEVICE
    • JPH01146634A
    • 1989-06-08
    • JP30375387
    • 1987-12-01
    • TOSHIBA TUNGALOY CO LTD
    • SUGANO SHIGEYUKIBABA HIROSHISAITO YASUO
    • B23Q3/155B23Q3/157
    • PURPOSE:To improve the working efficiency of a tool exchange work through reduction of a moving amount of an exchange tool during exchange of a tool and to reduce the size of a whole device, by a method wherein a tool containing magazine is integrally mounted in the body of the tool exchange arm. CONSTITUTION:A tool containing magazine 13 is integrally mounted in a tool exchange arm body 11. As a result, a moving amount of an exchanging tool at a tool exchanging time in which a tool to be exchanged, mounted to the tool holding part of a precision machine body, is exchanged from a given tool 14 in each of tool containing parts 15... in a tool magazine 13 can be sharply reduced as compared with that of a conventional device, and the working efficiency of a tool exchange work can be improved. Since a conventional conveying mechanism to move a tool exchange arm for a comparatively long distance can be eliminated, the size of a whole automatic tool exchange device can be reduced, and even if a precision machine is small, it can be easily mounted.
    • 6. 发明专利
    • MACHINE TOOL AND TOOL CLAMPING UNIT
    • JPH08309638A
    • 1996-11-26
    • JP11851695
    • 1995-05-17
    • TOSHIBA TUNGALOY CO LTD
    • KANO MASAHIROSAITO YASUOMATSUI YUJITANAKA HIROAKI
    • B23Q3/157
    • PURPOSE: To provide a machine tool and a tool clamping unit, which can supply the operating oil to a tool clamping unit through a spindle and which can unclamp, by utilizing an oil pressure supplying source of a machine tool. CONSTITUTION: A machine tool is formed of a vertical lathe main body 21, which is provided with a hydraulic unit 29, and a spindle 26, which is provided in this main body 21 and which has an oil pressure supplying port communicated with the hydraulic unit 29, and a tool clamping unit 27, which has a connection part connected to this spindle 26 and which has an oil pressure receiver port communicated with the oil pressure supplying port in this connection part. This tool clamping unit 27 is provided with a tool holder for installing a tool head freely to be disconnected, a plate spring for energizing the tool head to the tool holder in the clamp condition, and a hydraulic circuit for giving the hydraulic force, which resists the energizing force of the plate spring, so as to unclamp the tool head in relation to the tool holder.