JPS60121416U

JPS60121416U - press mold equipment

Info

Publication number: JPS60121416U
Application number: JP819584U
Authority: JP
Inventors: 正明小田
Original assignee: 株式会社東芝
Priority date: 1984-01-24
Filing date: 1984-01-24
Publication date: 1985-08-16

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図及び第２図は従来例を示し、第１図は縦断面図、
第２図は加工途中における縦断面図であり、第３図乃至
第５図は本考案の一実施例を示し、第３図は縦断面図、
第４図及び第５図は夫々加工状態を表わす縦断面図であ
り、そして第６図は本考案の他の実施例を示す第５図相
当図である。図面中、１１はダイス、１２は打抜用孔、１５はポンチ
、１６及び１６ａは打抜部及びその先端面、１７は成形
部、２０は鋼板（板材）、２１はくぼみ部、２２−は孔
部、２３はポンチ、２４は成　′形部である。Fig. 1 and Fig. 2 show a conventional example, Fig. 1 is a longitudinal cross-sectional view,
Fig. 2 is a longitudinal sectional view during processing, Figs. 3 to 5 show an embodiment of the present invention, and Fig. 3 is a longitudinal sectional view;
4 and 5 are longitudinal sectional views showing the processing state, respectively, and FIG. 6 is a view corresponding to FIG. 5 showing another embodiment of the present invention. In the drawing, 11 is a die, 12 is a hole for punching, 15 is a punch, 16 and 16a are a punching part and its tip surface, 17 is a forming part, 20 is a steel plate (plate material), 21 is a recessed part, and 22- is a The hole portion, 23 is a punch, and 24 is a forming portion.

Claims

[Scope of utility model registration request]

A die having a punching hole, and a punch having a punching part at the tip and a substantially conical tapered part on the base end side of the punching part, and the punch is fitted into the die. 1. A press mold device for forming a generally conical depression in a plate material and punching out the bottom of the depression, characterized in that a tip end surface of the punching part is formed in a bulging curved shape. .