JPS5937342Y2 - spot welding equipment - Google Patents
spot welding equipmentInfo
- Publication number
- JPS5937342Y2 JPS5937342Y2 JP17635380U JP17635380U JPS5937342Y2 JP S5937342 Y2 JPS5937342 Y2 JP S5937342Y2 JP 17635380 U JP17635380 U JP 17635380U JP 17635380 U JP17635380 U JP 17635380U JP S5937342 Y2 JPS5937342 Y2 JP S5937342Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical cover
- spot welding
- movable electrode
- electrode
- flange
- 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
Links
Description
【考案の詳細な説明】
本考案はスポット溶接に釦いて、被溶接体の溶接面の酸
化を防止し、作業の能率化を図ることができることを特
徴とするものである。[Detailed Description of the Invention] The present invention is characterized in that it can be used in spot welding to prevent oxidation of the welding surface of the object to be welded and to improve work efficiency.
従来、スポット溶接に卦いて、特に被溶接体がステンレ
スの場合にはその溶接面が酸化され、黄褐色に変色等し
て焼痕として残る欠点があった。Conventionally, spot welding has had the disadvantage that, especially when the object to be welded is stainless steel, the welding surface is oxidized, discolored to yellowish brown, and left as burn marks.
上記焼痕は臭酸等の電解液で脱色することが可能である
が、脱色作業を必要とでるとともに電解液の処理等に多
大な手数を要する欠点があった。Although the above-mentioned burn marks can be decolored with an electrolytic solution such as hydrochloric acid, there is a drawback that a decoloring operation is required and a great deal of effort is required for processing the electrolytic solution.
本考案は上記のごとき欠点を除去してなるもので、溶接
時に、溶接面に酸イ卿止ガスを供給して上記溶接面の酸
化を防止し、脱色作業の必要性をなくしたものである。The present invention eliminates the above-mentioned drawbacks and prevents oxidation of the welding surface by supplying an acidic stop gas to the welding surface during welding, eliminating the need for decolorization work. .
以下に本考案の一実施例を図面について詳細に説明する
。An embodiment of the present invention will be described in detail below with reference to the drawings.
１は固定電極、２は可動電極であり、その間に被溶接′
＃−ａを挾持してスポット溶接が行われる。1 is a fixed electrode, 2 is a movable electrode, and the object to be welded is
Spot welding is performed by holding #-a.
本考案では上記可動電極２の周囲にスライド自在の筒状
カバー３が、常時上記可動電極２の先端より少し、突出
するよう設けられる。In the present invention, a slidable cylindrical cover 3 is provided around the movable electrode 2 so as to always protrude slightly beyond the tip of the movable electrode 2.
詳細に説明すると、可動電極２の適位置にフランジ４を
設け、他方筒状カバー３の内部適位置に上記可動電極２
のフランジ４と対向するようフランジ５を設け、両フラ
ンジ４，５間にスプリング６を介在させ、筒状カバー３
が可動電極２の先端に押し出されるよう構成される。To explain in detail, a flange 4 is provided at an appropriate position of the movable electrode 2, and a flange 4 is provided at an appropriate position inside the cylindrical cover 3.
A flange 5 is provided to face the flange 4 of the cylindrical cover 3, and a spring 6 is interposed between the flanges 4 and 5.
is pushed out to the tip of the movable electrode 2.
同時に可動電極２の後端部適位置にストッパーを兼ねた
フランジ状バルブ７が設けられ、他方筒状カバー３の内
部適位置に上記可動電極２のフランジ状バルブγと対向
するようストッパーを兼ねたフランジ状バルブ８が設け
られる。At the same time, a flange-like valve 7 that also serves as a stopper is provided at a suitable position on the rear end of the movable electrode 2, and a flange-like valve 7 that also serves as a stopper is provided at a suitable position inside the cylindrical cover 3 so as to face the flange-like valve γ of the movable electrode 2. A flanged valve 8 is provided.
そして、両フランジ状バルブ７及び８０対向する面の一
方あるいは双方に適宜パツキン９が設けられ完全シール
されるよう構成される。A packing 9 is appropriately provided on one or both of the opposing surfaces of both flange-shaped valves 7 and 80, so that a complete seal is achieved.
さらに、可動電極２ど筒状カバー３間にはガス供給路１
０が構成され、筒状カバ−３０後端部には炭酸ガス、ア
ルゴンガス等の酸化防止ガスの供給口１１が設けられる
。Furthermore, a gas supply path 1 is provided between the movable electrode 2 and the cylindrical cover 3.
0, and a supply port 11 for an antioxidant gas such as carbon dioxide or argon gas is provided at the rear end of the cylindrical cover 30.
図中１２は排気孔であり、筒状カバー３の先端開口部に
適数段けられ、酸素を含んだ空気を排出するためのもの
である。In the figure, reference numeral 12 indicates an exhaust hole, which is provided in an appropriate number of stages at the opening at the tip of the cylindrical cover 3, and is for exhausting oxygen-containing air.
オた、１３はそれぞれＯリング、１４はスプリングであ
る。Also, 13 is an O-ring, and 14 is a spring.
上記構成の本考案は常時は図面の第２図示のごとく、ス
プリング６及び１４の働きで、可動電極２の先端より筒
状カバー３の先端が少し、突出させられている。In the present invention having the above-mentioned structure, the tip of the cylindrical cover 3 is normally made to protrude slightly from the tip of the movable electrode 2 by the action of the springs 6 and 14, as shown in the second figure of the drawings.
換言すれば、可動電極２のフランジ状バルブ７に筒状カ
バー３のフランジ状バルブ８が当接し、酸化防止ガスの
供給が止められている。In other words, the flange-shaped valve 8 of the cylindrical cover 3 contacts the flange-shaped valve 7 of the movable electrode 2, and the supply of antioxidant gas is stopped.
つぎに、溶接のため、可動電極２を固定電極１側に移動
させると、オす、筒状カバー３が被溶接体ａに当接し、
可動電極２の後方、図に釦いて右方向に移動し、第１図
示のごとくフランジ状バルブ７及び８間が開かれ、酸化
防止ガスがガス供給路１０を通じて可動電極２の先端部
に供給され、溶接時の酸素を排除するものである。Next, when the movable electrode 2 is moved toward the fixed electrode 1 side for welding, the male cylindrical cover 3 comes into contact with the object to be welded a,
At the rear of the movable electrode 2, press the button in the figure and move to the right to open the space between the flange-shaped valves 7 and 8 as shown in the first figure, and the antioxidant gas is supplied to the tip of the movable electrode 2 through the gas supply path 10. , which eliminates oxygen during welding.
また、溶接完了後、可動電極２を復帰させると筒状カバ
ー３はスプリング６及び１４の力で自動的に可動電極２
の先端方向へ移動させられフランジ状バルブ１及び８が
閉じられ、酸化防止ガスの供給が止められるものである
。Furthermore, when the movable electrode 2 is returned to its original position after welding is completed, the cylindrical cover 3 automatically moves the movable electrode 2 by the force of the springs 6 and 14.
The flanged valves 1 and 8 are closed and the supply of antioxidant gas is stopped.
上記のごとく、本考案によれば、溶接時に、溶接面に自
動的に酸化防止ガスが供給されるため、従来のごとく、
酸化に伴う焼痕が残ることもなく、したがって脱色作業
等が不要となり、作業の能率化を図ることができる効果
が得られるものである。As mentioned above, according to the present invention, antioxidant gas is automatically supplied to the welding surface during welding.
There are no burn marks left due to oxidation, so decoloring work, etc. is not required, and the effect of improving work efficiency is obtained.
図面は本考案の一実施例を示すもので、第１図は溶接時
の縦断面図、第２図は電極の復帰状態を示す要部の縦断
面図である。
１・・・・・・固定電極、２・・・・・・可動電極、３
・・・・・・筒状カバー ４，５・・・・・・フランジ
、６．１４・・・・・・スプリング、７．８・・・・・
・フランジ状バルブ、９・・・・・・パツキン、１０・
・・・・・ガス供給路、１１・・・・・・ガス供給へ
１２・・・・・排気口、ａ・・・・・・被溶接体。The drawings show an embodiment of the present invention; FIG. 1 is a longitudinal sectional view during welding, and FIG. 2 is a longitudinal sectional view of the main part showing the returned state of the electrode. 1...Fixed electrode, 2...Movable electrode, 3
......Tubular cover 4,5...Flange, 6.14...Spring, 7.8...
・Flanged valve, 9...Putskin, 10・
...Gas supply path, 11...To gas supply
12... Exhaust port, a... Body to be welded.
Claims (1)
り少し突出するよう設けられ、電極及び筒状カバー間に
はガス供給路が構成され、該ガス供給路中には筒状カバ
ーのスライドによって開閉するバルブが設けられ、さら
に筒状カバー後端部に酸化防止ガスの供給口が設けられ
てなることを特徴とするスポット溶接装置。A slidable cylindrical cover is provided around the electrode so as to always protrude slightly from the tip of the electrode, and a gas supply path is formed between the electrode and the cylindrical cover, and the gas supply path can be opened and closed by sliding the cylindrical cover. What is claimed is: 1. A spot welding device characterized in that the spot welding device is provided with a valve for oxidation prevention gas, and further provided with an antioxidant gas supply port at the rear end of the cylindrical cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17635380U JPS5937342Y2 (en) | 1980-12-09 | 1980-12-09 | spot welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17635380U JPS5937342Y2 (en) | 1980-12-09 | 1980-12-09 | spot welding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5797686U JPS5797686U (en) | 1982-06-16 |
| JPS5937342Y2 true JPS5937342Y2 (en) | 1984-10-16 |
Family
ID=29533240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17635380U Expired JPS5937342Y2 (en) | 1980-12-09 | 1980-12-09 | spot welding equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5937342Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5162185B2 (en) * | 2007-08-21 | 2013-03-13 | 積水化学工業株式会社 | Spot resistance welding machine |
| JP5150205B2 (en) * | 2007-10-31 | 2013-02-20 | 積水化学工業株式会社 | Spot resistance welding machine |
| JP5349560B2 (en) * | 2011-09-15 | 2013-11-20 | 日本アビオニクス株式会社 | Welding head for resistance welding machine and welding method |
-
1980
- 1980-12-09 JP JP17635380U patent/JPS5937342Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5797686U (en) | 1982-06-16 |
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