Patent ID: 6477883
Filing Date: 2002-11-12
Classification: B21D,B21J

Abstract:
A die block apparatus for shaping workpieces by way of die stamping comprising:a die block defining a first chamber and a second chamber in communication with the first chamber; a first sliding block received in the first chamber of the die block, the first sliding block comprising at least one inclined rail for guiding the first sliding block to move with respect to the die block, a stopper protrusion, and a first groove defined in an inner surface of the first sliding block and adapted to create part of a formed portion of a workpiece, the at least one inclined rail located between the stopper protrusion and the inner surface; and a second sliding block received in the second chamber of the die block, the second sliding block comprising at least one inclined rail for guiding the second sliding block to move with respect to the die block, and a second groove communicable with the first groove of the first sliding block to create another part of the formed portion of the workpiece, wherein the first sliding block is movable from a first position at which the stopper protrusion does not abut the die block to a second position at which the stopper protrusion abut the die block.