Title:
PRESSER DIE EXCHANGING DEVICE IN PLATE BENDING MACHINE
Document Type and Number:
WIPO Patent Application WO/2003/080267
Kind Code:
A1
Abstract:
In a plate bending machine in which work clamped between a presser die composed of a center die and a side die, and a lower die is bent by a blade, it is intended to provide a presser die (center die) exchanging device for continuously effecting the sweeping-off of a used center die and the supply of the next center die. It comprises a center arm chuck means for removably chucking a center die at the lower end of a vertically movable center arm, a die exchange arm revolvable at the middle and having die holders at both ends for receiving a center die from the center arm chuck means or supplying a center die to the center arm chuck means, and a die drum for effecting direct or indirect take-out or reception by the die exchange arm.
Inventors:
IKEDA TOSHIO (JP)
Application Number:
PCT/JP2003/001983
Publication Date:
October 02, 2003
Filing Date:
February 24, 2003
Export Citation:
Assignee:
KYOWA MACHINE CO LTD (JP)
IKEDA TOSHIO (JP)
IKEDA TOSHIO (JP)
International Classes:
B21D5/04; (IPC1-7): B21D5/04
Foreign References:
| JPS55177924U | 1980-12-20 | |||
| JPH09141349A | 1997-06-03 | |||
| JPH07112215A | 1995-05-02 |
Attorney, Agent or Firm:
Otani, Kaichi (Nakagawakamimachi Takaoka-shi, Toyama, JP)
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