JPS6061183A - Airtight welded construction - Google Patents
Airtight welded constructionInfo
- Publication number
- JPS6061183A JPS6061183A JP16660683A JP16660683A JPS6061183A JP S6061183 A JPS6061183 A JP S6061183A JP 16660683 A JP16660683 A JP 16660683A JP 16660683 A JP16660683 A JP 16660683A JP S6061183 A JPS6061183 A JP S6061183A
- Authority
- JP
- Japan
- Prior art keywords
- disc
- pipe
- hole
- resistance welding
- vacuum
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
- B23K11/0033—Welding locally a thin plate to a large piece
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は、薄板にパイプを気密溶接する構造に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a structure in which a pipe is hermetically welded to a thin plate.
断熱を目的とする真空容器は、容器外板を介しての熱伝
導損失を少くするため、ステンレスの極薄板材を使用し
、そこに容器内を真空にするための真空引きパイプが溶
接接続される。この接続される真空引きパイプは、真空
引き終了後、高圧を掛けて圧接切断する封止切りを行う
必要がある。Vacuum containers designed for insulation use ultra-thin stainless steel plates to reduce heat conduction loss through the container outer panel, to which a vacuum pipe is welded to create a vacuum inside the container. Ru. After the evacuation is completed, the connected vacuum pipe needs to be sealed and cut by applying high pressure.
この封止切りによる切断口の気密を完全にするためには
溶接加熱による酸化スケール除去を酸洗により行う必要
があり、大形で、薄いステンレス材が取付けられている
と、ステンレス材の表面が荒れ、又局部的に弱くなり開
孔しやすい欠陥をもたらせ、その上設備が大形となるも
のであった。In order to make the sealing cut completely airtight, it is necessary to remove the oxidized scale by welding heat and pickling. This results in roughness and localized weakness, resulting in defects that are likely to cause holes, and in addition, the equipment becomes large.
本発明は、上記欠陥を改良するために成されたものであ
る。The present invention has been made to improve the above defects.
即ち、真空引きパイプには、小寸のカラー付円板を溶接
し、これを酸洗後、この円板を真空容器に抵抗溶接によ
って取付けたものである。That is, a small disc with a collar is welded to the vacuum pipe, and after pickling, the disc is attached to the vacuum vessel by resistance welding.
本発明の一実施例を第１図、及び第２図により説明する
と、■は外板、ｌａは、外板１のフランジ、１ｂは、外
板１の穴、２は、真空引きパイプ、３は、接続用のステ
ンレスの円板で外板１より同等量」二の厚さとする、３
ａは円板の中心部に設ける円筒状カラー、４は溶接用の
ロー材である。An embodiment of the present invention will be described with reference to FIGS. 1 and 2. ▪ is an outer panel, la is a flange of the outer panel 1, 1b is a hole in the outer panel 1, 2 is a vacuum pipe, 3 is a stainless steel disc for connection with a thickness equivalent to 2" thicker than outer plate 1, 3
A is a cylindrical collar provided at the center of the disk, and 4 is a brazing material for welding.
掛る部品で真空容器を構成するには、まず、外板を絞り
、一部に円板３を取付けるための穴１ｂを開ける。一方
、真空引きパイプ３を、円板２の円筒状カラー３ａ内に
挿入し、ロー付けして一体とし、この部品を酸洗等で表
面処理をし、完全にスケールを除去し、この部品を外板
１の穴１ｂ部に気密の抵抗溶接をする。この抵抗溶接は
、冷却水により冷却しながら行うため、局部的加熱で酸
化スケールを真空引きパイプ３に発生させることなく取
付けられる。この後外板１のフランジ１８部を気密の抵
抗溶接し真空材令体を完成する。In order to construct a vacuum container with these parts, first, the outer plate is squeezed and a hole 1b is made in a part to attach the disk 3. On the other hand, the vacuum pipe 3 is inserted into the cylindrical collar 3a of the disc 2 and brazed to form an integral part.The part is surface-treated by pickling or the like to completely remove scale. Airtight resistance welding is applied to the hole 1b of the outer panel 1. Since this resistance welding is performed while cooling with cooling water, the vacuum pipe 3 can be attached without causing oxidation scale to be generated in the vacuum pipe 3 due to local heating. Thereafter, the flange 18 of the outer plate 1 is airtightly resistance welded to complete the vacuum material body.
この様に、真空引きパイプ２は、円板３に、ロー付けし
た小寸の部品として表面処理が行えるので、処理が簡単
で、又円板３も、外板１より厚い材料を選定できるので
、表面が荒れても板厚に余裕があり、孔等の欠陥が防止
でさる効果がある。In this way, the vacuum pipe 2 can be surface-treated as a small part soldered to the disc 3, so processing is easy, and the disc 3 can also be made of a thicker material than the outer plate 1. Even if the surface is rough, there is enough thickness to prevent defects such as holes.
第１図は、本発明の真空容器の斜視図、第２図は、第１
図の真空引きパイプ部の断面図である。
ｌ・・・外板、１ａ・・・フランジ、１ｂ・・・穴、２
・・・真空引きパイプ、３・・・円板、３ａ・・・円筒
状カラー。
４・・・ロー材。
代理人弁理士 高 橋 明 夫FIG. 1 is a perspective view of the vacuum container of the present invention, and FIG. 2 is a perspective view of the vacuum container of the present invention.
It is a sectional view of the vacuum suction pipe part of the figure. l...outer plate, 1a...flange, 1b...hole, 2
...Vacuum pipe, 3...Disc, 3a...Cylindrical collar. 4... Raw material. Representative Patent Attorney Akio Takahashi
Claims (1)
けた円筒状カラー（３ａ）内に挿入し、この部分をロー
付けし、この時に生じる真空引きパイプ（２）のスケー
ルを表面処理にて除去し、この後、外板（１）の穴（１
ｂ）部に、気密の抵抗溶接により取付は真空容器の一部
を構成することを特徴とする気密溶接構造。 ２、円板（３）の厚さを、外板（１）の厚さと同等以上
とすることを特徴とする特許請求の範囲第１項記載の気
密溶接構造。[Claims] 1. Insert the vacuum pipe (2) into the cylindrical collar (3a) provided at the center of the disc (3), braze this part, and remove the vacuum produced at this time. The scale of the pipe (2) is removed by surface treatment, and then the hole (1) of the outer panel (1) is removed.
An airtight welded structure characterized in that part (b) is attached by airtight resistance welding to form a part of the vacuum vessel. 2. The hermetic welded structure according to claim 1, wherein the thickness of the disc (3) is equal to or greater than the thickness of the outer plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16660683A JPS6061183A (en) | 1983-09-12 | 1983-09-12 | Airtight welded construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16660683A JPS6061183A (en) | 1983-09-12 | 1983-09-12 | Airtight welded construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6061183A true JPS6061183A (en) | 1985-04-08 |
Family
ID=15834413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16660683A Pending JPS6061183A (en) | 1983-09-12 | 1983-09-12 | Airtight welded construction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6061183A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008114297A (en) * | 2006-10-31 | 2008-05-22 | Furukawa Rock Drill Co Ltd | Hydraulic breaker |
| US9989182B2 (en) * | 2014-06-30 | 2018-06-05 | Sunspin Pty Ltd. | Method of forming a sealed joint between a tubular article and a sheet article |
-
1983
- 1983-09-12 JP JP16660683A patent/JPS6061183A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008114297A (en) * | 2006-10-31 | 2008-05-22 | Furukawa Rock Drill Co Ltd | Hydraulic breaker |
| US9989182B2 (en) * | 2014-06-30 | 2018-06-05 | Sunspin Pty Ltd. | Method of forming a sealed joint between a tubular article and a sheet article |
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