PRESS MOLDED PRODUCT MANUFACTURING METHOD AND PRESS MOLDING APPARATUS

• Main Authors: OTA MOTOHIRO, TAKAGI KATSUKI, WATANABE SHUHEI, TERANISHI YASUAKI
• Format: Patent
• Language: English; Japanese
• Published: 10.03.2022
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL

To provide a press molding apparatus for press molded product which can obtain a press molded product with suppressed spring back and excellent dimensional accuracy by a simple process.SOLUTION: A press molding apparatus compresses a pre-molded product with a cross-section hat shape between a punch as a first metal mold and a die as a second metal mold to obtain a final molded product with a cross-section hat shape. The press molding apparatus comprises: a compression mechanism which comprises a hat-shaped flange and a side wall in the pre-molded product between the punch and the die; a first pressing mechanism which presses an outer end of the flange; and a second pressing mechanism which presses an upper end of the side wall.SELECTED DRAWING: Figure 2 【課題】本発明は、スプリングバックが抑制されて優れた寸法精度を有するプレス成形品を、簡素な工程で得ることができるプレス成形品のプレス成形装置を提供する。【解決手段】本発明のプレス成形装置は、第一金型であるパンチと第二金型であるダイとの間で断面ハット形状の予備成形品を圧縮して断面ハット形状の最終成形品を得るプレス成形装置であって、パンチとダイとの間で予備成形品におけるハット形状のフランジと側壁とを圧縮する圧縮機構と、フランジの外側端部を押圧する第一押圧機構と、側壁の上側端部を押圧する第二押圧機構と、を備えることを特徴とするプレス成形装置。【選択図】図２