method for producing press molded product, press molded product, die and press device

摘要

The present invention relates to a method for producing a press molded product which is a method for producing a press molded product (30) comprising a long top plate (2), edge line portions (32a, 32b). ) at both side edges of the top plate and facing walls (33a, 33b) facing each other and extending from the edge line portions. using a die (21) and a punch (22), with the punch in contact with a first portion wherein the line edge portions are formed at both edges of a piece of metal (bl), the piece of metal is bent so as to protrude from the punch side toward the die side, and the second portion forming the upper plate on the metal piece is secured between the die and the punch, causing the second portion to be recessed from the die side toward the punch side.