Press die and press machine

摘要

The invention enhances a cooling effect on a press die for hot press. A lower die includes a first base, a second base mounted on the first base and having an opening in the center, a support table provided in the opening of the second base, and a die portion detachably mounted on the support table and including die pieces. The die portion is divided in die pieces disposed adjoining each other, and cold water pipes are provided in the die pieces respectively. The cold water pipes are bent in a U shape and inserted in the die pieces respectively, and extended downward from the lower ends of the die pieces respectively. The cold water pipes have cooling water injection ends and cooling water ejection ends in a space between the first base and the support table.

主权项

1. A press die comprising:
a base; a die portion detachably mounted on the base and comprising a plurality of die pieces adjoining each other, each of the die pieces being individually detachable from the base and the rest of the die pieces; and a plurality of cooling pipes provided in corresponding die pieces and extending to an outside of the die pieces, each of the cooling pipes comprising a cooling water injection end and a cooling water ejection end, wherein the die portion includes at least three die pieces.