JPS62146597U

JPS62146597U -

Info

Publication number: JPS62146597U
Application number: JP3250586U
Authority: JP
Priority date: 1986-03-06
Filing date: 1986-03-06
Publication date: 1987-09-16

Description

[Brief explanation of the drawing]

図面は本考案の実施例を示すもので、第１図は
粉末プレス装置の概略正面図、第２図は下型と上
型の要部拡大部分縦断正面図、第３図は第２図の
部拡大図、第４図は第１変形例のコアロツドの
平面図、第５図は第４図の―線断面図、第６
図は第２変形例のコアロツドの平面図、第７図は
第６図の―線断面図、第８図は第３変形例の
コアロツドの平面図、第９図は第８図の―線
断面図、第１０図は成形品の断面図である。１……ベース、２……ガイド支柱、３……上部
フレーム、４……ダイス、５……シリンダ、６…
…ピストンロツド、７……下型、８……上型、９
……上型ホルダ、１０……ラム、１１……コアロ
ツド、１２……ステーシヨナルロアパンチ、１３
……インナロアパンチ、１４……アウタロアパン
チ、１９……アツパパンチ、２１……中央空洞部
、２２……小径孔、２３……真空ポンプ、２４…
…ホース、２５……負圧導入孔、２６……電磁弁
、３０……凹設溝、３１……成形キヤビテイ。 The drawings show an embodiment of the present invention. Fig. 1 is a schematic front view of a powder press device, Fig. 2 is an enlarged longitudinal sectional front view of the main parts of the lower mold and upper mold, and Fig. 3 is a cross-sectional view of the main parts of the lower mold and upper mold. Fig. 4 is a plan view of the core rod of the first modification, Fig. 5 is a sectional view taken along the line - - in Fig.
The figure is a plan view of the core rod of the second modified example, FIG. 7 is a cross-sectional view taken along the line -- of FIG. 6, FIG. 8 is a plan view of the core rod of the third modified example, and FIG. 9 is a cross-sectional view taken 10 are cross-sectional views of the molded product. 1... Base, 2... Guide column, 3... Upper frame, 4... Dice, 5... Cylinder, 6...
...Piston rod, 7...Lower mold, 8...Upper mold, 9
... Upper mold holder, 10 ... Ram, 11 ... Core rod, 12 ... Stationary lower punch, 13
... Inner lower punch, 14 ... Outer lower punch, 19 ... Upper punch, 21 ... Central cavity, 22 ... Small diameter hole, 23 ... Vacuum pump, 24 ...
... Hose, 25 ... Negative pressure introduction hole, 26 ... Solenoid valve, 30 ... Recessed groove, 31 ... Molded cavity.

Claims

[Scope of Claim for Utility Model Registration] In a powder press device that has a lower mold and an upper mold, and presses and molds powder filled into a molding cavity of the lower mold with the lower mold and the upper mold, the lower mold and the upper mold are A powder press device comprising a negative pressure generating device that applies negative pressure to at least one sliding gap between the mold and the mold cavity during pressure molding.