PRESSER DIE EXCHANGING DEVICE IN PLATE BENDING MACHINE

摘要

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.