JPH0314040U

JPH0314040U -

Info

Publication number: JPH0314040U
Application number: JP7190089U
Authority: JP
Priority date: 1989-06-19
Filing date: 1989-06-19
Publication date: 1991-02-13

Description

[Brief explanation of drawings]

第１図および第２図は本考案の第１実施例を示
し、第１図は鋳造装置の鋳抜きピン部分の要部拡
大縦断面図、第２図は鋳造装置の概略構成図であ
る。第３図は本考案の第２実施例を示す第１図相
当図である。第４図は第２実施例の変形例を示す
ピン突合わせ部分の要部拡大縦断面図である。７……キヤビテイ、８……成形型、１２……鋳
抜きピン、１３，１６……コイルスプリング（付
勢手段）、１５……突合わせピン、Ｗ……筒体（
鋳物製品）、ｗ_１……貫通孔。 1 and 2 show a first embodiment of the present invention, in which FIG. 1 is an enlarged longitudinal cross-sectional view of a main part of a casting pin portion of a casting device, and FIG. 2 is a schematic configuration diagram of the casting device. FIG. 3 is a diagram corresponding to FIG. 1 showing a second embodiment of the present invention. FIG. 4 is an enlarged vertical cross-sectional view of the principal part of the pin abutting portion showing a modification of the second embodiment. 7... Cavity, 8... Molding die, 12... Casting pin, 13, 16... Coil spring (biasing means), 15... Butt pin, W... Cylindrical body (
(casting product), w ₁ ...through hole.

Claims

[Claims for Utility Model Registration] (1) A device for casting a cast product having a through hole, which is disposed facing each other so as to protrude into the cavity of a mold, and forms the through hole in the cast product by casting. a pair of cast-out pins, and a direction in which the cast-out pins on one side are always projected so that the tips of the cast-out pins abut each other during casting. 1. A casting device for casting a cast product having a through hole, comprising: urging means for urging the casting product. (2) A device for casting a casting product having a through hole, which includes a pair of casting pins that are arranged to face each other so as to protrude into the cavity of a mold and form a through hole in the casting product; A butt pin fitted into one side of both cast pins so as to be movable back and forth; and a butt pin provided on one side of both cast pins, and each of the butt pin and the cast pin on the other side provided at the time of casting. 1. A casting device for casting a cast product having a through hole, comprising a biasing means for constantly biasing the abutment pins in a protruding direction so that the tips of the abutment pins abut each other.