JPH0239667Y2 - - Google Patents
Info
- Publication number
- JPH0239667Y2 JPH0239667Y2 JP1984145690U JP14569084U JPH0239667Y2 JP H0239667 Y2 JPH0239667 Y2 JP H0239667Y2 JP 1984145690 U JP1984145690 U JP 1984145690U JP 14569084 U JP14569084 U JP 14569084U JP H0239667 Y2 JPH0239667 Y2 JP H0239667Y2
- Authority
- JP
- Japan
- Prior art keywords
- water supply
- spot welding
- stop valve
- compressed air
- drainage
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000003466 welding Methods 0.000 claims description 29
- 239000000498 cooling water Substances 0.000 claims description 19
- 230000002265 prevention Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Resistance Welding (AREA)
Description
【考案の詳細な説明】
＜産業上の利用分野＞
本考案は、スポツト溶接機における冷却水の散
水防止装置に関するものである。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a cooling water sprinkling prevention device in a spot welding machine.
＜従来の技術＞
従来のスポツト溶接機は第２図で示すように、
スポツト溶接ガン１に固定電極チツプ２と、加圧
シリンダ５の進退移動によつて可動する電極チツ
プ３と、この両電極チツプ２，３に通電する二次
ケーブル４と、圧縮空気供給主管７からの圧縮空
気をオイラ、圧力計、減圧計の３点セツト８、連
絡パイプ９及び電磁弁６を介して前記加圧シリン
ダ５の作動を制御する圧縮空気供給系路とを有
し、また、スポツト溶接ガン１並びに二次ケーブ
ル４を冷却水にて冷却する配管構成としては、給
水主管１０に給水用ストツプバルブ１２を介して
接続した給水用マニホールド１１と、この給水用
マニホールド１１とスポツト溶接ガン１並びに二
次ケーブル４とを接続した給水用ホース１３とか
らなる給水系路を有し、また、二次ケーブル４端
と排水用マニホールド１４とを接続する排水用ホ
ース１５と、排水用マニホールド１４と排水用ス
トツプバルブ１７を介して接続した排水主管１６
とからなる排水系路を有した構成である。<Conventional technology> As shown in Fig. 2, the conventional spot welding machine
A spot welding gun 1 has a fixed electrode chip 2, an electrode chip 3 that moves as the pressurizing cylinder 5 moves forward and backward, a secondary cable 4 that supplies electricity to both electrode chips 2 and 3, and a main compressed air supply pipe 7. The compressed air supply system controls the operation of the pressurizing cylinder 5 through a three-piece set 8 of an oil, a pressure gauge, and a pressure reducing gauge, a connecting pipe 9, and a solenoid valve 6. The piping configuration for cooling the welding gun 1 and the secondary cable 4 with cooling water includes a water supply manifold 11 connected to the main water supply pipe 10 via a water supply stop valve 12, this water supply manifold 11, the spot welding gun 1, and the water supply manifold 11. It has a water supply system path consisting of a water supply hose 13 connected to the secondary cable 4, and a drainage hose 15 connecting the end of the secondary cable 4 and the drainage manifold 14, and the drainage manifold 14 and the drainage Main drainage pipe 16 connected via a stop valve 17 for
The structure has a drainage system consisting of.
スポツト溶接ガン１並びに二次ケーブル４を冷
却する場合は、給水用ストツプバルブ１２と排水
用ストツプバルブ１７とを開口する。これによ
り、給水主管１０からの冷却水は給水用マニホー
ルド１１、給水用ホース１３を通つてスポツト溶
接ガン１の両電極チツプ２，３まで通水し二次ケ
ーブル４を通つて熱交換した冷却水は排水用ホー
ス１５、排水用マニホールド１４を経て排水主管
１６に排水される。 When the spot welding gun 1 and the secondary cable 4 are to be cooled, the water supply stop valve 12 and the drainage stop valve 17 are opened. As a result, the cooling water from the main water supply pipe 10 passes through the water supply manifold 11 and the water supply hose 13 to both electrode chips 2 and 3 of the spot welding gun 1, and then passes through the secondary cable 4 to the cooling water with heat exchange. is drained into the main drainage pipe 16 via the drainage hose 15 and the drainage manifold 14.
＜考案が解決しようとする問題点＞
上記従来において、電極チツプ２，３を交換す
る際には給水用ストツプバルブ１２並びに排水用
ストツプバルブ１７を閉止しておこなつている
が、電極チツプ２，３をスポツト溶接ガン１より
取り外したときに、二次ケーブル４とスポツト溶
接ガン１に残留している冷却水が電極チツプの取
り付け穴より、散水し、作業員の身体や床面を濡
らし、作業環境を悪くしていると共にに、漏電発
生の要因にもなる問題があつた。<Problems to be solved by the invention> In the above conventional method, when replacing the electrode chips 2 and 3, the water supply stop valve 12 and the drainage stop valve 17 are closed. When removed from the spot welding gun 1, the cooling water remaining in the secondary cable 4 and the spot welding gun 1 will be sprayed through the electrode tip mounting hole, wetting the worker's body and the floor, and reducing the working environment. There was a problem that not only made things worse, but also caused electrical leakage.
本考案は、従来の冷却水供給、排水系路を大き
く改変することなく、電極チツプ交換時における
散水を防止し、従来の問題点を解消した装置を提
供するものである。 The present invention provides an apparatus that prevents water sprinkling during electrode chip replacement without significantly modifying the conventional cooling water supply and drainage systems, and solves the conventional problems.
＜問題点を解決するための手段＞
本考案は、スポツト溶接ガン並びに二次ケーブ
ルに冷却水を供給する給水系路と、スポツト溶接
ガンに供給された冷却水を二次ケーブルから排水
する排水系路と、スポツト溶接ガンの加圧シリン
ダに圧縮空気を供給する圧縮空気供給系路とを備
え、前記給水系路に給水用ストツプバルブを、排
水系路に排水用ストツプバルブをを設けたスポツ
ト溶接機において、前記圧縮空気供給系路と給水
用ストツプバルブ以降の給水系路とを管路で接続
し、この管路に圧縮空気用ストツプバルブを設け
たものである。<Means for solving the problems> The present invention provides a water supply line that supplies cooling water to the spot welding gun and the secondary cable, and a drainage system that drains the cooling water supplied to the spot welding gun from the secondary cable. and a compressed air supply line for supplying compressed air to a pressurized cylinder of a spot welding gun, a water supply stop valve in the water supply line, and a drain stop valve in the drainage line. , the compressed air supply line and the water supply line after the water supply stop valve are connected by a pipe, and a compressed air stop valve is provided in this pipe.
＜作用＞
上記本考案は、給水用ストツプバルブを閉止
し、圧縮空気用ストツプバルブを開口して圧縮空
気をスポツト溶接ガン並びに二次ケーブルに供給
する。これにより、スポツト溶接ガン並びに二次
ケーブルに残留している冷却水は圧縮空気によつ
て排水系路より排水され、排水後に排水用ストツ
プバルブ並びに圧縮空気用ストツプバルブを閉止
して電極チツプを交換するものである。<Operation> The present invention described above closes the water supply stop valve and opens the compressed air stop valve to supply compressed air to the spot welding gun and the secondary cable. As a result, the cooling water remaining in the spot welding gun and secondary cable is drained from the drainage system by compressed air, and after the water is drained, the drain stop valve and compressed air stop valve are closed and the electrode tip is replaced. It is.
＜実施例＞
以下本考案の実施例を第１図によつて説明す
る。スポツト溶接機の構成は前記従来の技術の項
で説明した通りである。本考案による装置は、加
圧シリンダ５を作動制御するための圧縮空気供給
系路の３点セツト８と電磁バルブ６とを結ぶ連絡
パイプ９から管路１８を分岐し、圧縮空気用スト
ツプバルブ１９を介して給水用ストツプバルブ１
２より以降の給水用マニホールド１１に接続した
ものである。尚、３点セツト８と電磁バルブ６と
の間から管路１８を分岐したのは、圧縮空気圧が
高い場合（通常５Kg／cm以上）に３点セツト８の
圧力計で確認し、同じく減圧弁で減圧（５Kg／cm
以下）することができるためである。また、圧縮
空気用ストツプバルブ１９は逆流防止弁付きが好
ましい。<Example> An example of the present invention will be described below with reference to FIG. The configuration of the spot welding machine is as explained in the prior art section above. In the device according to the present invention, a conduit 18 is branched from a communication pipe 9 connecting a three-point set 8 of a compressed air supply line for controlling the operation of a pressurized cylinder 5 and an electromagnetic valve 6, and a stop valve 19 for compressed air is connected to the connecting pipe 9. Stop valve 1 for water supply through
It is connected to the water supply manifold 11 from 2 onwards. The pipe line 18 is branched from between the 3-point set 8 and the solenoid valve 6 by checking with the pressure gauge of the 3-point set 8 when the compressed air pressure is high (normally 5 kg/cm or more), and also connecting the pressure reducing valve. Reduce pressure (5Kg/cm
(below). Further, it is preferable that the compressed air stop valve 19 is equipped with a check valve.
上記本考案装置において、冷却水を給、排水す
るスポツト溶接作業時は、圧縮空気用ストツプバ
ルブ１９を閉止し、給水用ストツプバルブ１２並
びに排水用ストツプバルブ１７は従来と同様に開
口する。 In the apparatus of the present invention, during spot welding work to supply and drain cooling water, the compressed air stop valve 19 is closed, and the water supply stop valve 12 and drain stop valve 17 are opened as in the conventional case.
電極チツプ２，３の交換の際には、先ず給水用
ストツプバルブ１２を閉止する。次いで圧縮空気
用ストツプバルブ１９を開口する。これにより、
圧縮空気は給水用マニホールド１１、給水用ホー
ス１３を通り、スポツト溶接ガン１並びに二次ケ
ーブル４に残留する冷却水を排水用ホース１５に
押し出して排水用マニホールド１４から排水主管
１６へ排出する。この残留する冷却水の排出は３
〜５秒で完了し、これを確認して排水用ストツプ
バルブ１７と圧縮空気用ストツプバルブ１９とを
閉止し、電極チツプ２，３の交換を行うのであ
る。そして、電極チツプ２，３の交換後に排水用
ストツプバルブ１７を開口し、次いで給水用スト
ツプバルブ１２を開口することにより冷却水の通
水を再開する。 When replacing the electrode chips 2 and 3, first the water supply stop valve 12 is closed. Next, the compressed air stop valve 19 is opened. This results in
The compressed air passes through the water supply manifold 11 and the water supply hose 13, pushes out the cooling water remaining in the spot welding gun 1 and the secondary cable 4 to the drainage hose 15, and discharges it from the drainage manifold 14 to the main drainage pipe 16. The discharge of this remaining cooling water is 3
The process is completed in ~5 seconds, and after confirming this, the drain stop valve 17 and the compressed air stop valve 19 are closed, and the electrode chips 2 and 3 are replaced. After replacing the electrode chips 2 and 3, the drainage stop valve 17 is opened, and then the water supply stop valve 12 is opened to restart the flow of cooling water.
＜考案の効果＞
以上のように本考案によるとスポツト溶接ガン
並びに二次ケーブルに残溜する冷却水を圧縮空気
により押し出し排水するものであるから、電極チ
ツプの交換時に冷却水が散水して作業員の身体や
床面を濡らすことがなくなり、又散水による漏電
発生の要因も解消し安全性が確保される。さら
に、排水に用いる圧縮空気はスポツト溶接ガンの
加圧シリンダ作動用のものを利用し、従来の給水
系路に簡単な構造で連結したものであるが、安価
に提供できると共に、操作も著にしく簡易である
等の効果を有している。<Effects of the invention> As described above, according to the invention, the cooling water remaining in the spot welding gun and the secondary cable is pushed out and drained by compressed air, so when replacing the electrode tip, the cooling water is sprayed during the work. Safety is ensured by eliminating the possibility of getting the personnel's bodies or the floor wet, and eliminating the cause of electrical leakage caused by water spraying. Furthermore, the compressed air used for drainage is the one used to operate the pressurized cylinder of a spot welding gun, and is connected to the conventional water supply line with a simple structure, which can be provided at low cost and is significantly easier to operate. It has the advantage of being simple and easy to use.
第１図は本考案装置を備えたスポツト溶接機の
斜視図、第２図は従来のスポツト溶接機の斜視図
である。
１……スポツト溶接ガン、２，３……電極チツ
プ、４……二次ケーブル、５……加圧シリンダ、
６……電磁バルブ、７……圧縮空気供給主管、８
……３点セツト、９……連絡パイプ、１０……給
水主管、１１……給水用マニホールド、１２……
給水用ストツプバルブ、１３……給水用ホース、
１４……排水用マニホールド、１５……排水用ホ
ース、１６……排水主管、１７……排水用ストツ
プバルブ、１８……管路、１９……圧縮空気用ス
トツプバルブ。
FIG. 1 is a perspective view of a spot welding machine equipped with the device of the present invention, and FIG. 2 is a perspective view of a conventional spot welding machine. 1... Spot welding gun, 2, 3... Electrode chip, 4... Secondary cable, 5... Pressure cylinder,
6...Solenoid valve, 7...Compressed air supply main pipe, 8
...Three-piece set, 9...Connection pipe, 10...Water supply main pipe, 11...Water supply manifold, 12...
Water supply stop valve, 13...water supply hose,
14...Drainage manifold, 15...Drainage hose, 16...Drainage main pipe, 17...Drainage stop valve, 18...Pipe line, 19...Compressed air stop valve.
Claims (1)
を供給する給水系路と、スポツト溶接ガンに供給
された冷却水を二次ケーブルから排水する排水系
路と、スポツト溶接ガンの加圧シリンダに圧縮空
気を供給する圧縮空気供給系路とを備え、前記給
水系路に給水用ストツプバルブを、排水系路に排
水用ストツプバルブを設けたスポツト溶接機にお
いて、前記圧縮空気供給系路と給水用ストツプバ
ルブ以降の給水系路とを管路で接続し、この管路
に圧縮空気用ストツプバルブを設けたことを特徴
とするスポツト溶接機冷却水の散水防止装置。 A water supply system line that supplies cooling water to the spot welding gun and the secondary cable, a drainage system line that drains the cooling water supplied to the spot welding gun from the secondary cable, and compressed air to the pressurized cylinder of the spot welding gun. In the spot welding machine, the water supply system is provided with a water supply stop valve in the water supply system and a drainage stop valve in the drainage system, the water supply system after the compressed air supply system and the water supply stop valve. 1. A spot welding machine cooling water sprinkling prevention device, characterized in that a spot welding machine cooling water spray prevention device is connected to a spot welding machine by a conduit, and a compressed air stop valve is provided in the conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984145690U JPH0239667Y2 (en) | 1984-09-28 | 1984-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984145690U JPH0239667Y2 (en) | 1984-09-28 | 1984-09-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6163389U JPS6163389U (en) | 1986-04-30 |
| JPH0239667Y2 true JPH0239667Y2 (en) | 1990-10-24 |
Family
ID=30703943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984145690U Expired JPH0239667Y2 (en) | 1984-09-28 | 1984-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0239667Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828785B2 (en) * | 1977-05-27 | 1983-06-17 | 株式会社東芝 | frequency multiplier |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828785U (en) * | 1981-08-10 | 1983-02-24 | 荒川車体工業株式会社 | Water supply water stop device for spot welding machine |
| JPS58185376U (en) * | 1982-06-05 | 1983-12-09 | ダイハツ工業株式会社 | spot welding equipment |
-
1984
- 1984-09-28 JP JP1984145690U patent/JPH0239667Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828785B2 (en) * | 1977-05-27 | 1983-06-17 | 株式会社東芝 | frequency multiplier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6163389U (en) | 1986-04-30 |
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