JPS62109818U

JPS62109818U -

Info

Publication number: JPS62109818U
Application number: JP19952285U
Authority: JP
Priority date: 1985-12-27
Filing date: 1985-12-27
Publication date: 1987-07-13

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す下型の平面図
、第２，３図は、第１図の―線、―線に
沿う断面相当図、第４図は、従来のプレス成形装
置の上型の底面図、第５，６図は、第４図の―
線、―線に沿う断面相当図である。６……成形部、２１，２２……プレス型、２３
……ブランク押え用突部、２４……ブランク押え
用凹部、Ｂ……ブランク。 Fig. 1 is a plan view of a lower mold showing an embodiment of the present invention, Figs. 2 and 3 are cross-sectional views taken along lines - and - in Fig. 1, and Fig. 4 is a conventional press molding apparatus. The bottom view of the upper mold, Figures 5 and 6, are those of Figure 4.
It is a cross-sectional equivalent view along the line, - line. 6... Molding part, 21, 22... Press mold, 23
...Blank presser protrusion, 24...Blank presser recess, B...Blank.

Claims

[Scope of utility model registration request]

In a press forming apparatus having a forming section 6 that presses a blank B with a pair of upper and lower press dies 21 and 22 to form a three-dimensionally deformed workpiece of a predetermined shape, the outer periphery of the forming section 6 of one of the press dies 22 is , a blank holding protrusion 23 is formed in the hollow surrounding almost the entire circumference of this molding part 6, and the other press die 21
A press forming apparatus is provided with a blank holding recess 24 into which the blank holding protrusion 23 fits.