JPH07124748A - Cleaning device for conduit cable and welding torch - Google Patents
Cleaning device for conduit cable and welding torchInfo
- Publication number
- JPH07124748A JPH07124748A JP5304532A JP30453293A JPH07124748A JP H07124748 A JPH07124748 A JP H07124748A JP 5304532 A JP5304532 A JP 5304532A JP 30453293 A JP30453293 A JP 30453293A JP H07124748 A JPH07124748 A JP H07124748A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- air
- welding torch
- conduit cable
- torch
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/328—Cleaning of weld torches, i.e. removing weld-spatter; Preventing weld-spatter, e.g. applying anti-adhesives
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Arc Welding In General (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、マグ溶接やＣＯ２溶接
等ガスメタルアーク溶接（ＧＭＡＷ）のロボットによる
連続自動溶接における溶接トーチの関連部の清掃、特に
コンジットケーブル内の溶接ワイヤから剥離した粉末の
除去と溶接トーチ先端部に付着したスパッタを吹き飛ば
し除去する装置に関する。コンジットケーブルは、溶接
ワイヤを溶接トーチ先端に案内すると共に溶接ガス流路
となっており、溶接過程の姿勢変化に対応して自由に曲
げられる様に内径３ｍｍ程度の密着コイルスプリング状
の鋼線でケーブルを形成し、これを耐圧ホースに挿入し
た状態に構成されている。このケーブル内を溶接ワイヤ
が送り出しローラ１０により溶接トーチ先端に押し出し
送り出されるが、その過程で溶接ワイヤとケーブルが擦
れて溶接ワイヤの表面が粉末状に剥離してコンジットケ
ーブル内に累積する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to cleaning of a relevant portion of a welding torch in continuous automatic welding by a gas metal arc welding (GMAW) robot such as MAG welding or CO 2 welding, and in particular, peeling from a welding wire in a conduit cable. The present invention relates to a device for removing powder and for removing spatter adhered to the tip of a welding torch by blowing it off. The conduit cable guides the welding wire to the tip of the welding torch and serves as the welding gas flow path. It is a tight coil spring steel wire with an inner diameter of about 3 mm so that it can be bent freely in response to changes in posture during the welding process. A cable is formed and is inserted into a pressure resistant hose. The welding wire is pushed out to the tip of the welding torch by the feeding roller 10 inside the cable and fed out. In the process, the welding wire and the cable are rubbed and the surface of the welding wire is separated into powder and accumulated in the conduit cable.
【０００２】[0002]
【従来の技術】ロボットによるマグやＣＯ２の連続自動
溶接においては、溶接過程にコンジットケーブルを通っ
て送り出される溶接ワイヤから剥離した粉末がコンジッ
トケーッブル内に累積してワイヤの送り出しや溶接ガス
の流路を妨げるので除去することが望まれる。又、トー
チ先端に付着するスパッタも溶接ガスの流路を妨げるの
で除去することが望まれる。従来コンジットケーッブル
内に累積する粉末の除去はロボットから溶接トーチを取
り外しトーチとコンジットケーッブルを分離分解しなけ
れば除去することができなかった。 2. Description of the Related Art In continuous automatic welding of mug and CO 2 by a robot, powder separated from a welding wire sent through a conduit cable during the welding process is accumulated in a conduit cable to send out the wire and generate welding gas. It is desirable to remove it as it interferes with the flow path. Further, spatter attached to the tip of the torch interferes with the flow path of the welding gas and is therefore desired to be removed. Conventionally, the powder accumulated in the conduit cable cannot be removed unless the welding torch is removed from the robot and the torch and the conduit cable are separated and disassembled.
【０００３】又、ノズル部のスパッタ除去は、ノズルの
先端よりワイヤや切刃等を挿入して回転させる方式，ノ
ズルを超音波振動槽に入れる方式，ショトをノズル先端
に吹き付ける方式，トーチの根元側より溶接ガス流路を
通して工場ライン圧のエアを吹き出させて、トーチ内の
内側からのエアを吹き出しスパッタを吹き飛ばして除去
する方式等がある。Further, the removal of spatter from the nozzle portion is carried out by inserting a wire or cutting blade from the tip of the nozzle to rotate it, inserting the nozzle into an ultrasonic vibration tank, spraying shots to the tip of the nozzle, or the base of the torch. There is a method in which air at the factory line pressure is blown from the side through the welding gas flow path to blow air from the inside of the torch and blow out spatters.
【０００４】[0004]
【発明が解決しようとする課題】コンジットケーッブル
内に累積する粉末の除去のためにロボットから溶接トー
チを取り外しトーチとコンジットケーッブルを分離分解
して除去する従来の方式では、ロボットによる溶接作業
が長時間できなくなるばかりでなく、最も困難で熟練と
時間を要するロッボトのテーチングを全部やりなをさな
ければならない欠点があった。In order to remove the powder accumulated in the conduit cable, the welding torch is removed from the robot, and the conventional method of separating and disassembling the torch and the conduit cable removes the welding work by the robot. In addition to being unable to do so for a long time, there was a drawback in that all the most difficult, skillful and time-consuming teaching of Loboto had to be done.
【０００５】溶接トーチ先端部に付着するスパッタをガ
ス流路を通してエアーで吹き飛ばす従来の除去方式のお
いても、一般に工場ラインのエア圧は安全と経済的理由
から５ｋｇ／ｃｍ２程度が使用されており、従来の工場
ライン圧エアをトーチ先端部近くのガス流路を通してノ
ズル先端から吹き出してスパッタを除去する方式では、
エアはトーチ内部の複雑で狭い溶接ガス流路を通る過程
で流速が減衰してスパッタを除去する力が小さく、ノズ
ル表面にテフロンコーテング等スパッタが固着しないよ
うな処理を施した特殊なノズルを使用した小電流のもの
に限られ、又コーテング処理自体の耐用性も短く限られ
た用途に限定されていた。Even in the conventional removal method in which the spatter adhered to the tip of the welding torch is blown off by air through the gas passage, the air pressure in the factory line is generally about 5 kg / cm 2 for safety and economical reasons. However, in the conventional method that blows out the factory line pressure air from the nozzle tip through the gas flow path near the torch tip to remove spatter,
Air uses a special nozzle that has been treated to prevent spatter from sticking to the nozzle surface, such as Teflon coating, because the flow velocity is attenuated in the process of passing through a complicated and narrow welding gas flow path inside the torch and the force to remove spatter is small. However, the durability of the coating process itself was short, and it was limited to limited applications.
【０００６】[0006]
【課題を解決するための手段】本発明は、上記のような
従来の諸問題点を解決するために成されたもので、コン
ジットケーブル内の粉末除去と溶接トーチ先端部に付着
するスッパッタの除去を同時に簡略に成し得るものを提
供することを目的としたものであり、その要旨は、ガス
メタルアーク溶接におけるコンジットケーブルの清掃に
おいて、工場ラインエアをエア駆動増圧機器を介して２
倍以上に増圧しタンクに充填蓄積する手段と、該タンク
近くに該エアの流出開閉弁を配する手段と、溶接トーチ
側流入口を溶接電源機器と溶接トーチとを接続するコン
ジットケーブルの溶接電源機器近くに配する手段とより
なり、該エアがコンジットケーブルと溶接トーチ内の溶
接ガス流路を介して溶接トーチ先端より流出するごとく
したコンジットケーブルと溶接トーチの清掃装置にあ
る。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and removes powder in a conduit cable and removes a spatter attached to the tip of a welding torch. The purpose of the present invention is to provide a product that can be simply manufactured at the same time.
A means for increasing the pressure more than twice and filling and accumulating in the tank, a means for arranging the air outflow opening / closing valve near the tank, and a welding power source for the conduit cable connecting the welding torch side inlet with the welding power source equipment and the welding torch. A cleaning device for a conduit cable and a welding torch, wherein the air is discharged from the tip of the welding torch through the welding gas flow path in the conduit cable and the welding torch.
【０００７】又、大電流溶接のようにスパッタの発生が
多い溶接においては、溶接トーチの清掃用エア回路を独
立構成し、溶接トーチの清掃において、工場ラインエア
をエア駆動増圧機器を介して２倍以上に増圧してタンク
に充填蓄積する手段と、該タンク近くに該エアの流出開
閉弁を配する手段と、該エアの溶接トーチ側流入口を溶
接電源機器と溶接トーチとを接続するコンジットケーブ
ルの溶接トーチ近くに配する手段とよりなり、該エアが
溶接トーチ内の溶接ガス流路を介して先端より流出する
ごとくした溶接トーチの清掃装置にある。Further, in welding such as large current welding in which spatter is often generated, an air circuit for cleaning the welding torch is independently configured, and in cleaning the welding torch, factory line air is supplied through an air-driven booster. A means for increasing and doubling the pressure and filling and accumulating in the tank, a means for arranging the air outflow opening / closing valve near the tank, and a welding torch side inlet of the air are connected to the welding power source equipment and the welding torch. A welding torch cleaning device comprising means for arranging the conduit cable near the welding torch and allowing the air to flow out from the tip through the welding gas passage in the welding torch.
【０００８】[0008]
【実施例】工場ラインのエアは配管によって本発明装置
と接続される。本発明装置は、流入するエアを第２図に
示すようなピストンの左右の径を２対１にし、自動的に
左右に往復運動するように構成してなるエア駆動増圧器
５によって、自動的に４倍圧に増圧するエア駆動増圧器
５と、増圧されたエアを充填し蓄積するエアタンク６
と、該タンクに蓄積されたエアの流出を開閉する溶接ト
ーチ清掃用電磁開閉弁７と、溶接トーチ１の根元に接続
するエア回路と、該タンクに蓄積されたエアの流出を開
閉するコンジットケーブル清掃用電磁開閉弁８と、コン
ジトケーブル４の根元に接続するエア回路と、溶接ガス
をコンジットケーブル４に流入させる溶接ガス用電磁開
閉弁９と、コンジットケーブル４の根元に接続する回路
とより構成されている。したがって、本発明装置に接続
された５ｋｍ／ｃｍ２圧の工場ライン圧エアは、自動的
に４倍の約２０ｋｍ／ｃｍ２に増圧されてエアタンク６
に充填蓄積されている。EXAMPLE Air in a factory line is connected to the device of the present invention by piping. The apparatus of the present invention is configured so that the inflowing air has a left-right diameter of the piston of 2: 1 as shown in FIG. An air-driven booster 5 for increasing the pressure to 4 times, and an air tank 6 for filling and accumulating the boosted air.
A solenoid valve 7 for cleaning the welding torch that opens and closes the outflow of the air accumulated in the tank, an air circuit connected to the base of the welding torch 1, and a conduit cable that opens and closes the outflow of the air accumulated in the tank. An electromagnetic on-off valve for cleaning 8, an air circuit connected to the root of the conduit cable 4, a welding gas electromagnetic on-off valve 9 for flowing welding gas into the conduit cable 4, and a circuit connected to the root of the conduit cable 4. It is configured. Therefore, the factory line pressure air of 5 km / cm 2 pressure connected to the device of the present invention is automatically increased to four times about 20 km / cm 2 , and the air tank 6 is pressurized.
Is filled and accumulated.
【０００９】以上の状態においてコンジットケーブルの
清掃は、コンジットケーブル清掃用電磁開閉弁８を作動
させ、エアタンク６に充填蓄積されたエアを接続された
コンジットケーブル４の根元からコンジットケーブル
４，溶接トーチ１の内の溶接ガス流路を通してノズル２
の先端から流出させる。該エアは２０ｋｍ／ｃｍ２に増
圧されているためコンジットケーブル４内や溶接トーチ
内の狭い溶接ガス流路を通って減圧されても尚十分な流
速で流出して、コンジットケーブル内の溶接ワイヤから
剥離した粉末を、高速に流れるエアーの気流に巻き込ん
で溶接トーチ先端から排出してコンジットケーブル内を
清掃する。又、この気流で溶接トーチ先端部に取り付け
られたコンタクトチップ（溶接ワイヤへの給電とガイド
となる、図示せず）や溶接トーチ先端に付着したスパッ
タも吹き飛ばして除去する。薄板溶接のように溶接電流
が小さくスパッタ発生が少ない溶接においては、この電
磁開閉弁８の作動のみでコンジットケーブル内及び溶接
トーチ先端部の清掃が同時になされる。In the above condition, the conduit cable is cleaned by activating the conduit cable cleaning electromagnetic on-off valve 8 to start the conduit cable 4 from the root of the conduit cable 4 to which the air filled and accumulated in the air tank 6 is connected. Nozzle 2 through the welding gas flow path inside
Drain from the tip of. Since the pressure of the air is increased to 20 km / cm 2 , even if the pressure is reduced through the narrow welding gas passage in the conduit cable 4 or the welding torch, the air still flows out at a sufficient flow rate, and the welding wire in the conduit cable is discharged. The powder peeled off from the welding torch is caught in a high-speed air stream and discharged from the tip of the welding torch to clean the inside of the conduit cable. In addition, the contact tip (not shown), which is attached to the tip of the welding torch and serves as a power supply and guide for the welding wire, and the spatter adhered to the tip of the welding torch are also blown away by this air flow. In welding such as thin plate welding, in which the welding current is small and the generation of spatter is small, the inside of the conduit cable and the tip portion of the welding torch are simultaneously cleaned only by the operation of the electromagnetic opening / closing valve 8.
【００１０】厚板のように大電流溶接でスパッタ発生が
多い溶接の場合には、溶接トーチ清掃用電磁開閉弁７を
作動させれば、２０ｋｍ／ｃｍ２に増圧されたエアが直
接溶接トーチ１の溶接ガス流路を通ってノズル２の先端
から排出されるため、エアの減圧される割合が少なくエ
アの排出流速が強大で、コンタクトチップやノズル２に
付着したスパッタを強力に除去する。したがって電磁開
閉弁７と電磁開閉弁８をそれぞれ適時作動させることに
より、溶接トーチのスパッタ除去とコンジットケーブル
内の粉末除去を行うことができ、コンジットケーブルと
溶接トーチは清掃される。In the case of welding with a large amount of spatter due to high current welding such as thick plate, when the electromagnetic opening / closing valve 7 for cleaning the welding torch is operated, the air increased in pressure to 20 km / cm 2 is directly welded to the torch. Since it is discharged from the tip of the nozzle 2 through the first welding gas flow path, the rate of decompressing the air is small, the discharge speed of the air is high, and the spatter adhered to the contact tip or the nozzle 2 is strongly removed. Therefore, by operating the electromagnetic open / close valve 7 and the electromagnetic open / close valve 8 at appropriate times, it is possible to remove the spatter of the welding torch and the powder in the conduit cable, and clean the conduit cable and the welding torch.
【００１１】[0011]
【発明の効果】以上のように本発明アーク溶接トーチの
清掃装置においては、溶接トーチの溶接ガス流路を通し
て工場ライン圧のエア駆動増圧器で２倍以上に増圧した
エアをコンジットケーブルの根元から流入せて溶接トー
チ先端から流出させることにより、コンジットケーブル
内の粉末を高速に流れる気流に巻き込んで除去するため
簡略に清掃することができ、さらに溶接トーチ先端に付
着したスパッタも吹き飛ばして除去でき、ロボットによ
る連続溶接時間を増大させることができる。又、エア駆
動増圧器によって工場ライン圧の２倍以上に増圧するた
め、装置全体の構造が小型簡略にでき設置スペースを少
なくすることができる。As described above, in the cleaning device for the arc welding torch of the present invention, the air that has been pressure-doubled by the air-driven pressure booster at the factory line pressure through the welding gas flow path of the welding torch is at the root of the conduit cable. The powder in the conduit cable is removed by being entrained in the high-speed air flow by flowing it in from the tip of the welding torch, and it can be easily cleaned. , The continuous welding time by the robot can be increased. Further, since the air-driven pressure booster increases the pressure more than twice the factory line pressure, the structure of the entire apparatus can be made compact and simple, and the installation space can be reduced.
【図１】本発明溶接トーチ清掃装置の構成図。FIG. 1 is a configuration diagram of a welding torch cleaning device of the present invention.
【図２】エア駆動増圧器の原理構成図。FIG. 2 is a principle configuration diagram of an air-driven booster.
１．溶接トーチ ２．ノズル ４．コンジットケーブル ５．エア駆動増圧器 ６．タンク ７．溶接トーチ清掃用電
磁開閉弁 ８．コンジットケーブル清掃用電磁開閉弁 ９．溶接ガス用電磁開閉弁 １０．溶接ワイヤ送り出
しローラ1. Welding torch 2. Nozzle 4. Conduit cable 5. Air-driven booster 6. Tank 7. Electromagnetic on-off valve for cleaning welding torch 8. Electromagnetic on-off valve for cleaning conduit cable 9. Electromagnetic on-off valve for welding gas 10. Welding wire feeding roller
Claims (2)
ケーブルの清掃において、工場ラインエアをエア駆動増
圧機器を介して２倍以上に増圧しタンクに充填蓄積する
手段と、該タンク近くに該エアの流出開閉弁を配する手
段と、溶接トーチ側流入口を溶接電源機器と溶接トーチ
とを接続するコンジットケーブルの溶接電源機器近くに
配する手段とよりなり、該エアがコンジットケーブルと
溶接トーチ内の溶接ガス流路を介して溶接トーチ先端よ
り流出するごとくしたコンジットケーブルの清掃装置。1. In cleaning a conduit cable in gas metal arc welding, a means for inflating factory line air more than twice through an air-driven intensifying device to fill and accumulate it in a tank, and the outflow of the air near the tank. A means for arranging the on-off valve and a means for arranging the welding torch side inlet near the welding power source equipment of the conduit cable connecting the welding power source equipment and the welding torch, the air being welded in the conduit cable and the welding torch. A conduit cable cleaning device designed to flow out from the tip of the welding torch via the gas flow path.
の清掃において、工場ラインエアをエア駆動増圧機器を
介して２倍以上に増圧してタンクに充填蓄積する手段
と、該タンク近くに該エアの流出開閉弁を配する手段
と、該エアの溶接トーチ側流入口を溶接電源機器と溶接
トーチとを接続するコンジットケーブルの溶接トーチ近
くに配する手段とよりなり、該エアが溶接トーチの溶接
ガス流路を介して先端より流出するごとくした溶接トー
チの清掃装置。2. In cleaning a welding torch in gas metal arc welding, a means for inflating factory line air more than twice by an air-driven intensifying device to fill and accumulate it in a tank, and a means for injecting the air near the tank. A means for arranging an outflow opening / closing valve and a means for arranging the welding torch side inlet of the air near the welding torch of the conduit cable connecting the welding power source equipment and the welding torch, the air being the welding gas of the welding torch. Welding torch cleaning device designed to flow out from the tip through the flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5304532A JPH07124748A (en) | 1993-10-28 | 1993-10-28 | Cleaning device for conduit cable and welding torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5304532A JPH07124748A (en) | 1993-10-28 | 1993-10-28 | Cleaning device for conduit cable and welding torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07124748A true JPH07124748A (en) | 1995-05-16 |
Family
ID=17934143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5304532A Pending JPH07124748A (en) | 1993-10-28 | 1993-10-28 | Cleaning device for conduit cable and welding torch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07124748A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998050193A1 (en) * | 1997-05-02 | 1998-11-12 | James Edmund Furman | Mig welder wire cleaning apparatus and method |
| EP1911541A1 (en) * | 2006-10-12 | 2008-04-16 | Linde Aktiengesellschaft | Method and device for cleaning of welding torches using a short time duration stream of gas having a high speed |
| JP2011045889A (en) * | 2009-08-25 | 2011-03-10 | Daihen Corp | Welding device and welding wire feeding device |
| WO2014048756A3 (en) * | 2012-09-25 | 2014-07-31 | Fronius International Gmbh | Welding device |
| JP2015107526A (en) * | 2009-05-06 | 2015-06-11 | フロニウス インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング | Connection system comprising coupling device and plug element for welding torch |
| CN107413783A (en) * | 2017-06-01 | 2017-12-01 | 广西金茂生物化工有限公司 | Cleaning equipment in a kind of heat exchange tube |
-
1993
- 1993-10-28 JP JP5304532A patent/JPH07124748A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998050193A1 (en) * | 1997-05-02 | 1998-11-12 | James Edmund Furman | Mig welder wire cleaning apparatus and method |
| EP1911541A1 (en) * | 2006-10-12 | 2008-04-16 | Linde Aktiengesellschaft | Method and device for cleaning of welding torches using a short time duration stream of gas having a high speed |
| JP2015107526A (en) * | 2009-05-06 | 2015-06-11 | フロニウス インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング | Connection system comprising coupling device and plug element for welding torch |
| JP2011045889A (en) * | 2009-08-25 | 2011-03-10 | Daihen Corp | Welding device and welding wire feeding device |
| WO2014048756A3 (en) * | 2012-09-25 | 2014-07-31 | Fronius International Gmbh | Welding device |
| CN104736286A (en) * | 2012-09-25 | 2015-06-24 | 弗罗纽斯国际有限公司 | Welding device |
| US10449618B2 (en) | 2012-09-25 | 2019-10-22 | Fronius International Gmbh | Coupling structure and method for feeding compressed air to welding device using same |
| DE112013004700B4 (en) * | 2012-09-25 | 2020-10-15 | Fronius International Gmbh | Welding device |
| CN107413783A (en) * | 2017-06-01 | 2017-12-01 | 广西金茂生物化工有限公司 | Cleaning equipment in a kind of heat exchange tube |
| CN107413783B (en) * | 2017-06-01 | 2023-12-15 | 广西金茂生物化工有限公司 | Cleaning equipment in heat exchange tube |
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