JPS60136855U

JPS60136855U - Small precision pressure casting equipment

Info

Publication number: JPS60136855U
Application number: JP2099484U
Authority: JP
Inventors: 史明赤木; 廣小嶋
Original assignee: 朝日レントゲン工業株式会社
Priority date: 1984-02-15
Filing date: 1984-02-15
Publication date: 1985-09-11
Also published as: JPH0235398Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はこの考案の実施例小型精密加圧鋳造装置の正面
図（一部断面区）、第２図は上記装置の側面図（一部破
裁図）、第３図■は上記装置の筒状融解室を上方から見
た平面図、図８は上記図■のｍ−ｍ’側断面図、第４図
は第３図■のＩＶ−■′側断面図、第５図は上記装置の
空気圧式シーケンス制御回路のブロック図、第６図は上
記シーケンス制御のタイムチャート、第７図はこの考案
の別の実施例の電気式シーケンス制御回路のブロツク図
である。５・・・鋳型の湯口、６・・・鋳型空洞部、７・・鋳型
、９・・・舟形状るつぼ、９Ｈ・・・るつぼの注湯口１
．１０・・・ガスバーナ、１１・・・筒状融解室、１６
・・移動構体、２０・・・筒状部材、２１・・・融解室
下部開口孔、２６．３４・・・掛は外し機構、２７・・
・防炎稈、２９・・・可撓管、３１・・・縦形エアーシ
リンダ、３１Ｒ・・・ピストンロンド、Ｓ−Ｐ・・・待
避位置、Ｌ・・・所定距離、Ｐ−Ｐ・・・加圧定位置、
３１Ｒ・・・ピストンロンド、３２・・・圧迫蓋、Ｍ・
・・融解金属、３５・・・加圧気体導入孔、３７．４０
・・・位置検出手段のセンサ、４４・・・移動式圧迫加
圧機構、４６．４６’・・・１対の軸受部、ＣＡ−・・
鋳造加圧空気系、ＤＡ−・・圧迫蓋下降圧力空気系、５
５・・・制御回路。Figure 1 is a front view (partially cut away) of a small precision pressure casting machine that is an embodiment of this invention, Figure 2 is a side view (partially cut away) of the above equipment, and Figure 3 is a diagram of the equipment described above. A plan view of the cylindrical melting chamber seen from above, FIG. 8 is a cross-sectional view taken along the line m-m' in the above figure (■), FIG. 4 is a cross-sectional view taken along the line IV-■' in FIG. FIG. 6 is a time chart of the above sequence control, and FIG. 7 is a block diagram of an electric sequence control circuit according to another embodiment of the invention. 5... Mold sprue, 6... Mold cavity, 7... Mold, 9... Boat-shaped crucible, 9H... Crucible pouring port 1
．． 10... Gas burner, 11... Cylindrical melting chamber, 16
. . . Moving structure, 20 . . . Cylindrical member, 21 . . . Melting chamber lower opening hole, 26. 34 . . . Unlatching mechanism, 27 . .
・Flameproof culm, 29... Flexible pipe, 31... Vertical air cylinder, 31R... Piston rond, S-P... Retreat position, L... Predetermined distance, P-P... Pressurized fixed position,
31R... Piston Rondo, 32... Compression lid, M.
... Molten metal, 35 ... Pressurized gas introduction hole, 37.40
...Sensor of position detection means, 44...Movable compression pressurization mechanism, 46.46'...Pair of bearings, CA-...
Casting pressurized air system, DA-...Compression lid descending pressure air system, 5
5...Control circuit.

Claims

[Claims for Utility Model Registration] 1. An apparatus in which a small amount of cast metal material in a crucible is heated and melted in the atmosphere with a gas burner, and the melt is poured under pressure into a cavity in a mold using air or inert gas. , a small precision pressure casting device characterized by having each of the following structural requirements. (Force) A pair of bearings are provided on the inner wall of a cylindrical member 2θ having a lower opening hole 21 facing the sprue 5 of the mold 7, which pivotally supports the other end of the boat-shaped crucible 9, which has a pouring spout 9H at one end. 46, 46' and one end on the spout side, and selectively release the support to let the crucible hang down, and remove the hook that vertically aligns the crucible pour spout and the mold sprue. Cylindrical melting chamber 11 provided with mechanisms 26.34
゜(A) A pressurized fixed position P/P above the cylindrical melting chamber 11,
A vertical air cylinder 31□1 and a piston rod 3 of this cylinder are attached to the movable structure 16, which is configured to be movable between this position and a retracted position sp at a predetermined distance in the horizontal direction.
A compression lid 32 is provided at the lower end of 1R to airtightly press and close the cylindrical melting chamber, and an air or inert gas introduction hole 35 is provided in this compression lid for pouring the molten metal M into the mold cavity 6 under pressure. The movable compression pressurization mechanism 44° includes position detection means 37 and 40 for detecting when the movable compression and pressurization mechanism starts moving from the retreat position and reaches the pressurization fixed position; A control circuit 65゜2 that sequentially controls pressure casting according to an output signal A utility model registration claim 1 in which a gas burner 10 is protruded from a movable compression pressurizing mechanism 44 through a flexible tube 29
The small precision pressurized casting device described in Section 1. 3. The small precision pressurized casting apparatus according to claim 1 or 2, in which the casting pressurized air system CA introduced into the compression lid 32 and the compression lid descending pressure air system DA are separated and independent. . 4. A small precision pressure casting apparatus according to any one of claims 1 to 3, which is provided with a flameproof wall 27 at the upper periphery of the cylindrical melting chamber 11. 5 Utility model registration claims 1 to 4 in which the position detection means 37, 40 and the control circuit 55 are pneumatic type
A small precision pressurized casting device according to any one of paragraphs 1 and 2.