Method for manufacturing press-molded article and press-molding device

The present invention is a press-forming device (30) for obtaining a press-formed article having a cap-shaped cross-section by compressing a pre-formed article having a cap-shaped cross-section between a punch (31) serving as a first die and dies (32a, 32b) serving as a second die, the press-forming device (30) being characterized by being provided with: a punch (31) and dies (32a, 32b) for pressing a pre-formed article having a cap-shaped cross-section between the punch (31) and the dies (32a, 32b); a compression mechanism configured to compress a cap-shaped flange and a side wall in the pre-molded article; compression blocks (34a, 34b) constituting a first pressing means for pressing the outer end of the cap-shaped flange in the pre-molded article; and a seat cushion (35a) that constitutes a second pressing mechanism that presses the upper end of the cap-shaped side wall in the pre-molded article. 本发明是在作为第一模具的冲头(31)与作为第二模具的冲模(32a、32b)之间压缩截面呈沿边帽状的预备成形品而得到截面呈沿边帽状的冲压成形品的冲压成形装置(30)，其特征在于，具备：冲头(31)及冲模(32a、32b)，构