Patent ID: 7640777
Filing Date: 2010-01-05
Classification: B21D,Y10T

Abstract:
1. A punch press with forming dies, comprising: a die supporting member that supports a plurality of forming dies so that the forming dies can be elevated and lowered; a die elevating and lowering driving device that elevates and lowers the forming dies; and a die supporting member moving device that moves the die supporting member so as to locate one of the forming dies at a punch position, wherein the die elevating and lowering driving device comprises wherein the die supporting member is a turret that moves rotatably to bring the forming die to the punch position, and the position switching means moves the elevating and lowering device in a direction of a virtual straight line joining the punch position to a rotating center of the turret, and wherein the turret has the forming dies provided on a plurality of concentric circles around the rotating center of the turret.