JPS6356331A - Shaping method for casting mold - Google Patents
Shaping method for casting moldInfo
- Publication number
- JPS6356331A JPS6356331A JP19955586A JP19955586A JPS6356331A JP S6356331 A JPS6356331 A JP S6356331A JP 19955586 A JP19955586 A JP 19955586A JP 19955586 A JP19955586 A JP 19955586A JP S6356331 A JPS6356331 A JP S6356331A
- Authority
- JP
- Japan
- Prior art keywords
- sand
- molding
- flask
- pattern
- casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005266 casting Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 11
- 238000007493 shaping process Methods 0.000 title 1
- 239000004576 sand Substances 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 13
- 239000003110 molding sand Substances 0.000 abstract description 8
- 238000012856 packing Methods 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
- B22C9/046—Use of patterns which are eliminated by the liquid metal in the mould
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は鋳型の造型方法の改良に関するものであり、詳
しくは発泡樹脂模型を鋳砂内に埋設して鋳型を造型する
方法に関するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an improvement in a method for making a mold, and more specifically to a method for making a mold by embedding a foamed resin model in casting sand. .
（従来の技術）
従来、この種の造型方法として特公昭５２−１８８６号
広報に示されているようなものがあり、この鋳型造型法
は鋳枠内に予め鋳砂（床砂）を装入した後、該鋳砂上に
発泡樹脂模型を設置し、更にその上より鋳砂を装入し、
搗き固めもしくは振動等を与えて成型する方法である。(Prior art) Conventionally, there is a molding method of this type as shown in Publication No. 1886/1986, and this mold molding method involves charging casting sand (bed sand) into the flask in advance. After that, a foamed resin model is placed on top of the casting sand, and casting sand is then charged from above.
This is a method of molding by pounding and applying vibrations.
城内強度に乏しく、かつ弾力性を有しているため、鋳枠
内に設置された該模型の周囲に鋳砂を装入するに際して
、該模型が変形し寸法精度のよい鋳物が得られないとい
う問題点がある。そこで、本発明はかかる問題点を解消
するためになされたものであり、鋳砂の充填方法を改善
することにより鋳砂内に埋設される発泡樹脂模型の変形
防止を図ることを目的とする。Due to the lack of internal strength and elasticity, when charging sand around the model installed in the casting flask, the model deforms, making it impossible to obtain castings with good dimensional accuracy. There is a problem. SUMMARY OF THE INVENTION The present invention has been made to solve these problems, and an object of the present invention is to prevent deformation of a foamed resin model buried in casting sand by improving the method of filling casting sand.
（問題点を解決するための手段）
本発明は開口部を有する中空発泡樹脂模型を振動させな
がら、その内部に鋳砂を充填し、次いで鋳枠に振動を加
えて、その内部に鋳砂を装入する鋳型の造型方法である
。(Means for Solving the Problems) The present invention vibrates a hollow foamed resin model having an opening and fills the inside with casting sand, then vibrates the casting flask and fills the inside with casting sand. This is a molding method for the charging mold.
（作用）
本発明は上記のような構成であるので、開口部を有する
中空発泡樹脂模型および鋳枠内に装入された鋳砂に振動
を加えて、鋳砂を密に充填せしめ、鋳砂内に該模型を埋
設する。(Function) Since the present invention has the above-described configuration, vibration is applied to the casting sand charged in the hollow foamed resin model having an opening and the casting flask to densely fill the casting sand. The model is buried inside.
（実施例）
図面は本発明の方法を実施する装置の一実施例であり、
振動テーブル１上に鋳枠２が載置され、鋳枠２内に装入
された非粘結砂３１旧こ有底円筒状の発泡樹脂模型４が
埋設さ牡ている。(Example) The drawing shows an example of an apparatus for carrying out the method of the present invention,
A molding flask 2 is placed on a vibrating table 1, and a cylindrical foamed resin model 4 with a bottom is embedded inside the molding flask 2, which is filled with non-caking sand 31.
次に鋳型造型について説明する。Next, mold making will be explained.
振動テーブル１」二に載置された鋳枠２内に床砂３ａを
敷き有底円筒状の発泡樹脂模型４を設置した後、振動テ
ーブル１を振動させ鋳枠２に振動を加えながら該模型４
内に非粘結砂３を充填し、次いで鋳枠２内に非粘結砂３
を装入し該模型４を非粘結砂３内に埋設する。After laying bed sand 3a in the casting flask 2 placed on the vibrating table 1'2 and installing the bottomed cylindrical foam resin model 4, the model is made while vibrating the vibrating table 1 and applying vibration to the flask 2. 4
Fill the mold with non-caking sand 3, and then fill the flask with non-caking sand 3.
The model 4 is then buried in the non-caking sand 3.
（発明の効果）
本発明によれば、開口部を有する中空発泡樹脂模型を振
動させながら、その内部に鋳砂を充填し、次いで鋳枠に
振動を加えて、その内部に鋳砂を装入するから、該模型
の周囲に鋳砂を密に充填せしめると共に、鋳型全体の充
填密度が向」二し、鋳型強度を高めることができるので
、浴温の「押込み」不良が皆無となり、また塗型喰、砂
喰等の異物ががあり、その工業的価値は犬である。(Effects of the Invention) According to the present invention, casting sand is filled inside a hollow foamed resin model having an opening while being vibrated, and then vibration is applied to the casting flask and casting sand is charged inside the mold. Therefore, by densely filling the molding sand around the model, the filling density of the entire mold is improved, and the strength of the mold can be increased, so there is no "pushing" defect in the bath temperature, and the coating is There are foreign substances such as mold eating and sand eating, and their industrial value is a dog.
図面は本発明の方法を実施するための装置の断面図であ
る。
２・・・鋳枠、３・・・非粘結砂、４・・・発泡樹脂模
型。The drawing is a sectional view of an apparatus for carrying out the method of the invention. 2... Casting flask, 3... Non-caking sand, 4... Foamed resin model.
Claims (1)
成型する消失性鋳型の造型方法において、開口部を有す
る中空発泡樹脂模型を振動させながら、その内部に鋳砂
を充填し、次いで鋳枠に振動を加えて、その内部に鋳砂
を装入することを特徴とする鋳型の造型方法。In a fugitive mold manufacturing method in which a hollow foamed resin model with an opening is buried in casting sand and molded, the inside of the hollow foamed resin model with an opening is filled with casting sand while being vibrated, and then cast. A mold making method characterized by applying vibration to the frame and charging sand into the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19955586A JPS6356331A (en) | 1986-08-26 | 1986-08-26 | Shaping method for casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19955586A JPS6356331A (en) | 1986-08-26 | 1986-08-26 | Shaping method for casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6356331A true JPS6356331A (en) | 1988-03-10 |
Family
ID=16409773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19955586A Pending JPS6356331A (en) | 1986-08-26 | 1986-08-26 | Shaping method for casting mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6356331A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006189151A (en) * | 2004-12-06 | 2006-07-20 | Kobayashi Seisakusho:Kk | Damper |
| CN107234214A (en) * | 2017-06-14 | 2017-10-10 | 安徽华昊机械制造有限公司 | A kind of casting technique of the pump housing |
| CN113182493A (en) * | 2021-04-25 | 2021-07-30 | 重庆江增机械有限公司 | Manufacturing method of machine tool casting |
-
1986
- 1986-08-26 JP JP19955586A patent/JPS6356331A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006189151A (en) * | 2004-12-06 | 2006-07-20 | Kobayashi Seisakusho:Kk | Damper |
| CN107234214A (en) * | 2017-06-14 | 2017-10-10 | 安徽华昊机械制造有限公司 | A kind of casting technique of the pump housing |
| CN113182493A (en) * | 2021-04-25 | 2021-07-30 | 重庆江增机械有限公司 | Manufacturing method of machine tool casting |
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