PRESS COMPRISING A FACILITATED MAINTENANCE REINFORCEMENT, MATRIX AND PUNCH AND METHOD OF MAINTAINING SUCH A PRESS

摘要

The invention relates to a press (1) for stamping a workpiece which comprises a die (2), a counterform (3) and a punch, said press (1) having a position open allowing the deposit and withdrawal of the coin; and a closed position allowing the workpiece to be shaped, and also comprising return means (6) enabling the counterform (3) to be returned from the closed position to the open position, after the punch has returned to the position open, such that the press (1) comprises movable locking means (7) which in a maintenance position, modify the action of the return means (6) so as to allow the maintenance of the againstform (3) ) in the closed position after the return of the punch to the open position.