JPH074630B2 - Evaporative molding method - Google Patents
Evaporative molding methodInfo
- Publication number
- JPH074630B2 JPH074630B2 JP63053649A JP5364988A JPH074630B2 JP H074630 B2 JPH074630 B2 JP H074630B2 JP 63053649 A JP63053649 A JP 63053649A JP 5364988 A JP5364988 A JP 5364988A JP H074630 B2 JPH074630 B2 JP H074630B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- closed container
- liquid
- hydraulic
- forming
- 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.)
- Expired - Lifetime
Links
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は板金の成形その他広範囲の加工成形に適用され
る気化成形法に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a vapor forming method applied to a wide range of work forming such as sheet metal forming.
従来の板金成形は油圧成形等が普通である。油圧成形は
第２図に示すように油圧源５、金型２、油圧容器４、ケ
ース１の組合せよりなり、この油圧成形で成形する時は
被成形金属板３を金型２と油圧容器４の間に装着し、油
圧源５よりの油圧を配管６を介して容器４内にかけ、こ
の圧力で加工成形される金属板３を所要の形状に冷間成
形していた。Conventional sheet metal forming is usually hydraulic forming. As shown in FIG. 2, the hydraulic forming consists of a combination of a hydraulic source 5, a mold 2, a hydraulic container 4 and a case 1. When forming by this hydraulic forming, the metal plate 3 to be formed is the mold 2 and the hydraulic container 4. The metal plate 3 which is mounted between the two is applied with the hydraulic pressure from the hydraulic pressure source 5 into the container 4 through the pipe 6, and the metal plate 3 which is processed and molded by this pressure is cold-formed into a required shape.
ところで従来の油圧成形法では、加工成形しようとする
金属板をケース内に設置した金型と油圧容器間に介在装
着したのち油圧源よりの圧油を油圧容器に送りこれによ
り金属板を金型に押しつけて成形するものであるので、
その構造上冷間加工しか行なえず、しかも油圧源とケー
スを必要とするため設備費が非常に高いと云う不具合が
あつた。本発明は、前記不具合を解決し低コストの設備
費でしかも熱間加工成形を可能にした新たな気化成形法
を提供しようとするものである。By the way, in the conventional hydraulic forming method, after the metal plate to be processed and formed is installed between the mold and the hydraulic container, pressure oil from the hydraulic source is sent to the hydraulic container, and thereby the metal plate is molded. Since it is pressed against and molded,
Due to its structure, only cold working can be performed, and since a hydraulic source and a case are required, the equipment cost is very high. The present invention is intended to provide a new vaporization molding method that solves the above-mentioned problems and that enables hot work molding at a low equipment cost.
このため本発明の気化成形法は、被加工材である密閉容
器の内部に液体を密封し、この密閉容器を金型の中に収
納したのち金型内で加熱し、封入した液体を気化させ、
この膨張圧力により密閉容器を金型内壁面に押し付けて
成形することを特徴としている。Therefore, in the vaporization molding method of the present invention, the liquid is hermetically sealed in a closed container which is a workpiece, and the closed container is housed in a mold and then heated in the mold to vaporize the enclosed liquid. ,
This expansion pressure is characterized in that the closed container is pressed against the inner wall surface of the mold to be molded.
上述したように本発明の気化成形法によれば液体を封入
した金属の密閉容器（被加工材）を金型内に入れ、これ
を金型内で加熱すると被加工材である密閉容器内の液体
が気化し、この膨張による加圧力により密閉容器が膨張
し、金型にならう形状に成形される。As described above, according to the vaporization molding method of the present invention, when a metal closed container (workpiece) in which a liquid is sealed is placed in a mold and heated in the mold, the inside of the closed container which is the workpiece The liquid is vaporized, and the pressure applied by this expansion causes the closed container to expand, forming a shape that follows the mold.
以下本発明の実施例を第１図及び第２図により説明す
る。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.
これらの図に於て本発明方法で使用する装置は金型Ａ、
密閉容器Ｂ及び密閉容器Ｂ中に封入された液体Ｃから構
成される。金型Ａの内部空間に液体Ｃを封入した密閉容
器Ｂを挿入し、これを金型Ａ内で加熱するように構成す
る。In these figures, the apparatus used in the method of the present invention is a mold A,
It is composed of a closed container B and a liquid C enclosed in the closed container B. A closed container B in which a liquid C is sealed is inserted into the inner space of the mold A, and this is configured to be heated in the mold A.
以上に示した金型Ａ、密閉容器Ｂ及び液体Ｃを使用して
気化成形をするには先づ第１図に示すように液体Ｃを密
閉容器Ｂ内に封入しこれを金型Ａの中に入れる。次いで
金型を外部から加熱するか、あらかじめ加熱しておくと
液体Ｃは温度上昇により第２図に示すように気化膨張し
（Ｃ→Ｃ′の状態）この加圧力により密閉容器Ｂが膨張
し第２図Ｂ′のように変形し金型Ａの内壁構造にならつ
て成形される。以上の工程において密閉容器Ｂ内の液体
Ｃの量及び加熱温度を適当に設定することにより密閉容
器Ｂ内の加圧力を自由にコントロールできるとともに熱
間成形に適した温度で成形ができる。In order to perform the vaporization molding using the mold A, the closed container B and the liquid C shown above, the liquid C is first enclosed in the closed container B as shown in FIG. Put in. Next, when the mold is externally heated or preheated, the liquid C vaporizes and expands as shown in FIG. 2 (state of C → C ') due to the temperature rise, and the sealing container B expands due to this pressing force. It is deformed as shown in FIG. 2B 'and molded according to the inner wall structure of the mold A. In the above steps, by appropriately setting the amount of the liquid C in the closed container B and the heating temperature, the pressing force in the closed container B can be freely controlled and molding can be performed at a temperature suitable for hot forming.
以上述べたように本発明の気化成形法によれば次に示す
効果が得られる。As described above, according to the vaporization molding method of the present invention, the following effects can be obtained.
（１）金型内に挿入する被加工材である密閉容器の内部
に封入する液体の量や金型の加熱温度を適当に設定する
ことによつて熱間成形に適した温度で、しかも適切な圧
力で容易に成形が可能である。(1) The temperature is suitable for hot forming by setting the amount of liquid to be sealed in the closed container, which is the workpiece to be inserted into the mold, and the heating temperature of the mold, and is also suitable. It can be easily molded under various pressures.
（２）単に板金の成形に限ることなく、非常に広範囲の
成形加工が可能となり極めて有効である。(2) A very wide range of forming processes can be performed, which is extremely effective, not limited to forming of sheet metal.
第１図及び第２図は本発明気化成形法の一実施例を示す
作業開始前と作業終了時の状態を示す断面図、第３図は
従来例を示す作用説明図である。 Ａ…金型、B,B′…密閉容器、C,C′…封入液体、１…ケ
ース、２…金型、３…金属板、４…油圧容器、５…油圧
源。FIG. 1 and FIG. 2 are cross-sectional views showing a state before and after the work, showing an embodiment of the vaporization molding method of the present invention, and FIG. 3 is an operation explanatory view showing a conventional example. A ... Mold, B, B '... Closed container, C, C' ... Enclosed liquid, 1 ... Case, 2 ... Mold, 3 ... Metal plate, 4 ... Hydraulic container, 5 ... Hydraulic source.
Claims (1)
し、前記密閉容器を金型内に収納したのち金型内で加熱
し、封入した液体を気化させ、この膨張圧力を利用して
密閉容器を金型内壁面に押し付けて成形することを特徴
とする気化成形法。1. A liquid is sealed in a closed container which is a material to be processed, the closed container is housed in a mold and then heated in the mold to vaporize the sealed liquid, and the expansion pressure is utilized. The vaporization molding method is characterized in that a closed container is pressed against the inner wall surface of the mold for molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63053649A JPH074630B2 (en) | 1988-03-09 | 1988-03-09 | Evaporative molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63053649A JPH074630B2 (en) | 1988-03-09 | 1988-03-09 | Evaporative molding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01228618A JPH01228618A (en) | 1989-09-12 |
| JPH074630B2 true JPH074630B2 (en) | 1995-01-25 |
Family
ID=12948732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63053649A Expired - Lifetime JPH074630B2 (en) | 1988-03-09 | 1988-03-09 | Evaporative molding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH074630B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2856369B2 (en) * | 1991-05-02 | 1999-02-10 | 三菱化学 株式会社 | Method of manufacturing composite metal material for processing and hollow metal body |
| JP5287565B2 (en) * | 2009-07-15 | 2013-09-11 | 新日鐵住金株式会社 | Steel pipe hot forming apparatus and method |
| JP5692974B2 (en) * | 2009-07-30 | 2015-04-01 | 株式会社ワイテック | Method and apparatus for forming cylindrical body |
-
1988
- 1988-03-09 JP JP63053649A patent/JPH074630B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01228618A (en) | 1989-09-12 |
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