Secondary battery pouch press mold

A press mold for a secondary battery pouch, the press mold comprising:

• a press upper mold;
• at least two overforming punches arranged to be raised and lowered in the press upper mold;
• a plurality of forming punches arranged in the press upper mold to be raised and lowered between the at least two overforming punches and the press upper mold;
• a press lower mold provided with a bridge forming protrusion protruding from an upper surface thereof, the bridge forming protrusion being configured to form a bridge to be protruded from a pouch sheet;
• a pouch sheet holder disposed to be raised and lowered on the press lower mold and fixing the pouch sheet together with the press upper mold;
• and
• a controller configured to sequentially perform lowering the press upper mold to a first height, lowering the at least two overforming punches to a second height, lowering the press upper mold again to a third height, and lowering the plurality of forming punches to the second height,
• wherein the plurality of forming punches include a center punch in which a bridge forming groove into which the bridge is inserted is recessed on a lower surface thereof,
• wherein the second height is lower than the first height,
• wherein the third height is lower than the first height and higher than the second height,
• wherein the plurality of forming punches include:
• the center punch in which the bridge forming groove into which the bridge is inserted is recessed on the lower surface thereof;
• and
• a plurality of side punches disposed on both sides of the center punch, each of the plurality of side punches having a flat lower surface,
• wherein the at least two overforming punches are disposed closer to the center punch than each of the plurality of side punches, and
• wherein the at least two overforming punches are configured to contact the pouch sheet before the center punch and the plurality of side punches.