JPH0463209U

JPH0463209U -

Info

Publication number: JPH0463209U
Application number: JP10632790U
Authority: JP
Priority date: 1990-10-09
Filing date: 1990-10-09
Publication date: 1992-05-29

Description

[Brief explanation of the drawing]

第１図〜第３図はこの考案による斜孔を有する
成形品の成形装置の実施例が示されていて、第１
図は下型、上型および中型により形成されるキヤ
ビテイ内に斜孔用コアを突出さえて成形材料を充
填した状態を示す概略断面図、第２図は突出しロ
ツドを所定の位置まで上昇させ、斜孔用コアを上
型に没入さえた状態を示す概略断面図、第３図は
突出しロツドを所定の位置までさらに上昇させる
とともに型開きをして成形品を取り出した状態を
示す概略断面図、第４図は従来の斜孔を有する成
形品の成形装置を示す概略断面図である。１，３１……下型、２，３２……上型、３，３
５……中型、４，３８……スプルー、５，１０，
３６，３７……斜孔用コア、５ａ，１０ａ……鍔
部、６，１１……スプリング、７，１２……空所
、８，１３……貫通孔、９，１４，４３，４４…
…斜孔、１５，４５……キヤビテイ、１６，３９
……成形品、１７……受け板、１８……クランク
、１８ａ，１８ｂ……突部、１９，２０，３４…
…エジエクタピン、２１……第１上部エジエクタ
プレート、２２……第１下部エジエクタプレート
、２３，２４……押えピン、２５……第２上部エ
ジエクタプレート、２６……第２下部エジエクタ
プレート、２７……突出しロツド、２８……台板
、３３……コア、４０……孔、４１，４２……シ
リンダ。 1 to 3 show an embodiment of a molding apparatus for molded products having oblique holes according to this invention, and the first embodiment is shown in FIGS.
The figure is a schematic sectional view showing a state in which the diagonal hole core is protruded into the cavity formed by the lower mold, the upper mold, and the middle mold and filled with molding material. A schematic cross-sectional view showing a state in which the diagonal hole core is immersed in the upper mold; FIG. 3 is a schematic cross-sectional view showing a state in which the protruding rod is further raised to a predetermined position, the mold is opened, and the molded product is taken out; FIG. 4 is a schematic cross-sectional view showing a conventional molding apparatus for molded products having oblique holes. 1,31...Lower mold, 2,32...Upper mold, 3,3
5...Medium size, 4,38...Sprue, 5,10,
36, 37... Core for diagonal hole, 5a, 10a... Flange, 6, 11... Spring, 7, 12... Hole, 8, 13... Through hole, 9, 14, 43, 44...
...Diagonal hole, 15,45...Cavity, 16,39
... Molded product, 17 ... Reception plate, 18 ... Crank, 18a, 18b ... Protrusion, 19, 20, 34 ...
... Ejector pin, 21 ... First upper ejector plate, 22 ... First lower ejector plate, 23, 24 ... Holder pin, 25 ... Second upper ejector plate, 26 ... Second lower ejector plate , 27... Projection rod, 28... Base plate, 33... Core, 40... Hole, 41, 42... Cylinder.

Claims

[Scope of utility model registration request]

A lower mold 1, an upper mold 2 and a middle mold 3 that can come into contact with and separate from the lower mold 1 and cooperate with the lower mold 1 to form the cavity 15, and of the lower mold 1 or the upper mold 2. A through hole 8 is disposed through a spring 6, 11 in a cavity 7, 12 provided in at least one of the cavities 7, 12, and is provided at the bottom of the cavity 7, 12.
, 13, and which are retractable into the cavity 15 and are normally retracted, and the oblique hole cores 5, 10.
10, the crank 18 has a diagonal hole that causes the diagonal hole cores 5, 10 to protrude when the lower mold 1, upper mold 2, and middle mold 3 come into contact with each other. Molding equipment for molded products.