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    • 6. 发明专利
    • HYDRAULIC TYPE PRESS
    • JPH01273700A
    • 1989-11-01
    • JP1780889
    • 1989-01-30
    • KRUPP GMBH
    • RIHIYARUTO BURIYUTSUSERU
    • B29C33/24B29C43/20B29C43/32B29C43/36B29K105/06B30B1/32B30B15/00B30B15/06B30B15/24
    • PURPOSE: To introduce a large vertical force without a horizontal force and a moment by making an effective diameter of a seal to a press beam smaller than a diameter of an end part of a piston rod plunging into a ring body. CONSTITUTION: A press force is introduced into the press beam 9 with a hydraulic type press cylinder 5 via a combined place. In a hydraulic type press, the combined place is formed with a static pressure supporting member 8, a ring body 18 wherein the supporting member is partially filled by a hydraulic medium and a ring-like seal member 39 is provided in the internal part thereof is provided, the end part of the piston rod 19 in the press cylinder 5 is plunged into the ring body. The static pressure supporting member 8 is constituted as the ring body 18 and arranged in the supporting surface of the press beam 9 without any liquid leak, and the effective diameter of the seal 39 to the press beam 9 is smaller than the diameter of the end part of the piston rod 19 plunging into the ring body. In such a manner, relative motion small in the horizontal force and the moment is allowed by the combination between the press cylinder and the press beam, whereby a large vertical force is introduced.
    • 10. 发明专利
    • TOOL EXCHANGER
    • JPS6416343A
    • 1989-01-19
    • JP15135188
    • 1988-06-21
    • KRUPP GMBH
    • RAINAA FUON HAASU
    • B23Q3/155
    • PURPOSE: To automatically carry out the change of a tool by using a unit being operated independently of a machine tool by rotatably supporting a device in which a gripper for changing a tool head and a tool are clamped or loosened. CONSTITUTION: A clamping bit shaft 5 is axially kept apart from the clamping position, and a tool head 18 is disconnected from a tool holder 17 by the axial movement of the tool holder 17 or a gripper plate 19, then the gripper plate 19 is turned, so that a new tool is fitted and clamped in the reverse process. In this manner, the tool changing is carried out by one turning arm 2 incorporated inside the gripper and the clamping unit. Thus, the tool changing as entirely automatically carried out by using a unit being operated independently of the machine tool. By the turning arm 2, the tool holders 17 arranged at different angles inside one plane can be operated.