JPH0253843U

JPH0253843U -

Info

Publication number: JPH0253843U
Application number: JP12899488U
Authority: JP
Priority date: 1988-09-30
Filing date: 1988-09-30
Publication date: 1990-04-18

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例としての中子造型機
の部分切欠側面図、第２図は同上造型機の縮小平
面図、第３図は同上造型機の中子造型部の要部切
欠断面図、第４図は同上造型機により造型される
中子により鋳造されるシリンダヘツドの断面図、
第５図は第４図のシリンダヘツドの縮小底面図、
第６図は同上造型機の中子型の断面図を示してい
る。５，６……ホツパー、１５，１６……ブローチ
ヤンバー、１７，１８……ブローノズル、２４…
…中央エア路、２５，２７……傾斜路、２６，２
８……エアタンク、３１，３２……中子型、３３
……開口、３４……キヤビテイー。 Figure 1 is a partially cutaway side view of a core molding machine as an embodiment of the present invention, Figure 2 is a reduced plan view of the same molding machine, and Figure 3 is a cutaway of the main part of the core molding section of the same molding machine. A sectional view, FIG. 4 is a sectional view of a cylinder head cast using a core molded by the same molding machine;
Figure 5 is a reduced bottom view of the cylinder head in Figure 4;
FIG. 6 shows a sectional view of the core mold of the same molding machine. 5, 6... Hopper, 15, 16... Broach yambar, 17, 18... Blow nozzle, 24...
...Central airway, 25,27...Ramp, 26,2
8... Air tank, 31, 32... Core type, 33
...Opening, 34...Cavity.

Claims

[Scope of utility model registration request]

Multiple hoppers containing different core sand, multiple broach yambars that hold the core sand flowing down from each hopper so that it can be discharged from the blow nozzle, and high-pressure air is supplied to each broach yambar in a timely manner. a high-pressure air supply system, and a multi-filled core mold in which a plurality of cavities are arranged in parallel to communicate with an opening to which the blow nozzle can be connected, and each cavity is connected to each broach member through the blow nozzle. A core making machine configured so that the cavities are connected and each cavity is filled with different core sand.