CN103170713A - Welding gun with double tungsten electrodes for activating flux TIG (tungsten inert gas) welding - Google Patents
Welding gun with double tungsten electrodes for activating flux TIG (tungsten inert gas) welding Download PDFInfo
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- CN103170713A CN103170713A CN2013101210591A CN201310121059A CN103170713A CN 103170713 A CN103170713 A CN 103170713A CN 2013101210591 A CN2013101210591 A CN 2013101210591A CN 201310121059 A CN201310121059 A CN 201310121059A CN 103170713 A CN103170713 A CN 103170713A
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Abstract
The invention discloses a welding gun with double tungsten electrodes for activating flux TIG (tungsten inert gas) welding. The welding gun is provided with a welding gun main body (1) which is formed by forming a cooling system by cooling water inlets-outlets (2) of the welding gun, introducing protective gas via a gas introduction port (3), connecting tungsten electrode fixing adjustment devices (4), and connecting an insulating laminar-flow device (5), wherein the insulating laminar-flow device (5) is connected with a nozzle (6), and the welding main body is separated by an insulating separation piece (9) to realize independently adjustable currents of the two tungsten electrodes; the nozzle (6) is divided into two parts by a separation piece (7) to realize different gas atmospheres; a first tungsten electrode (8) is fixed by a first tungsten electrode fixing adjustment mechanism (4), and a second tungsten electrode (8') is fixed by a second tungsten electrode fixing adjustment mechanism (4'); and a continuously adjustable distance between the two tungsten electrodes is realized via the relative movement of the two tungsten electrode fixing adjustment mechanisms.
Description
Technical field
The improvement that the present invention relates to active TIG welding method and a kind of coupled arc AA-TIG is welded to welding gun structure.
Background technology
When active TIG weldering (Activating flux TIG welding) retains TIG welding advantage, weld penetration is increased.But active TIG weldering need apply activating agent before welding, the production cycle is lengthened, and the coating activating agent exist inhomogeneously, make welding process occur that fluctuation obtains inhomogeneous weld seam.
Electric arc auxiliary activity TIG welds (Arc assisted Activating TIG Welding, be called for short the AA-TIG weldering), by changing the introducing mode of active element, adopt assistant electric arc to manufacture the coating of the oxide layer replacement activating agent that one deck is very thin on the welding bead surface, then carry out the TIG weldering, make equally weld penetration increase.But this welding method needs two welding guns one in front and one in back to carry out welding, and second welding gun must be welded along the path of first welding gun welding, and this requires high-precision welding gun fixture.Can not well guarantee the stability of welding procedure.These disadvantages affect the raising of welding production efficiency, in order further to improve welding production efficiency and to promote the application of AA-TIG welding method, need to manufacture and design the welding gun that is applicable to this welding method.
A kind of coupled arc AA-TIG weldering of design application welding gun (patent No.: CN201110350875.0) is welded for coupled arc auxiliary activity TIG by Lanzhou University of Science & Technology.This design has solved when two tungsten electrodes are parallel to each other and can be adjusted to the distance that produces coupled arc, but have that the welding gun cooling effect is poor, the tungsten electrode degree of regulation is low, torch neck is excessive simultaneously, the shortcoming such as rifle body poor air-tightness, tungsten electrode and adjusting device loose contact, cause welding gun result of use in experiment poor, can not reach experiment expection requirement.
Summary of the invention
The purpose of this invention is to provide that spacing between a kind of compact conformation, two tungsten electrodes can be regulated continuously, the active TIG weldering of the good two tungsten electrodes that can use in actual production of cooling effect welding guns.
The present invention is the active TIG weldering of a kind of pair of tungsten electrode welding gun, a torch body 1 is arranged, insulation laminar flow device 5 connects nozzle 6, torch body 1 is separated by insulating spacer 9, realize that two tungsten electrode electric currents can independently regulate, torch body 1 is divided into symmetrical left and right two parts by symmetry axis X, by insulation laminar flow device 5, is connected to integral body, and nozzle 6 is divided into two parts by partition 7 and realizes different gas atmospheres;
Welding gun cooling water gateway 2 is positioned at the left side of torch body 1 inside, and the semiclosed cavity that the first half planar inner wall of the circular outer wall of rifle body and rifle body forms forms the cool cycles water route, with cooling welding tool; Gas introduction port 3 forms air chamber with torch body the latter half planar inner wall, and connects to form air chamber with insulation laminar flow device 5, makes air-flow change laminar flow into;
The first tungsten electrode 8 is parallel to symmetry axis X fixing by the first tungsten electrode secured adjusted mechanism 4, and the second tungsten electrode 8 ' be parallel to symmetry axis X by the second secured adjusted mechanism 4 ' fixing is done relative motion and realized that between two tungsten electrodes, spacing is adjustable continuously by two secured adjusted mechanisms.
The present invention has following usefulness:
1, the type of cooling that the present invention is directed to coupled arc AA-TIG weldering welding gun rifle body periphery is improved, adopt water-cooled, air cooling structure in chamber, welding gun is obtained in welding process well cooling, can realize long-time continuous welding, extend welding gun service life, improve welding efficiency.
2, fixedly tungsten electrode device and discontinuous regulative mode are improved to the present invention is directed to coupled arc AA-TIG weldering welding gun, adopt the tungsten electrode secured adjusted device of designed, designed can realize the independent adjusting continuously of spacing between two tungsten electrodes, can control according to the technological requirement fine adjustment, make coupled arc more stable, obtain good appearance of weld.
3, the present invention is directed to coupled arc AA-TIG weldering material that welding gun adopts and Welding gun main body structure and improved, adopt insulating materials and dual chamber structure, can realize that two tungsten electrodes carry different electric currents and welded.
4, protective gas of the present invention adopts relatively independent mode to introduce, and can realize in the situation that protection tungsten electrode scaling loss during the welding of large electric current is introduced active gases simultaneously.
5, the present invention is directed to coupled arc AA-TIG weldering torch neck is improved; miniature nozzle in adopting, make that active gases is more effective to be contacted with molten bath, increases the protection effect of inert gas to molten bath simultaneously; control to air-flow is more accurate, has improved the utilization rate to gas.
6, compact overall structure of the present invention, air-tightness is good, cooling effect is good, electric current and the tungsten electrode spacing easy to adjust, can be used for Automation of Welding production.
The accompanying drawing explanation
Fig. 1 is the structural representation of welding gun of the present invention, and Fig. 2 is tungsten electrode governor motion schematic diagram.
The specific embodiment
As shown in Figure 1, the present invention is the active TIG weldering of a kind of pair of tungsten electrode welding gun, a torch body 1 is arranged, insulation laminar flow device 5 connects nozzle 6, torch body 1 is separated by insulating spacer 9, realizes that two tungsten electrode electric currents can independently regulate, and torch body 1 is divided into symmetrical left and right two parts by symmetry axis X, be connected to integral body by insulation laminar flow device 5, nozzle 6 is divided into two parts by partition 7 and realizes different gas atmospheres.
As shown in Figure 1, welding gun cooling water gateway 2 is positioned at the left side of torch body 1 inside, and the semiclosed cavity that the first half planar inner wall of the circular outer wall of rifle body and rifle body forms forms the cool cycles water route, with cooling welding tool; Gas introduction port 3 forms air chamber with torch body the latter half planar inner wall, and connects to form air chamber with insulation laminar flow device 5, makes air-flow change laminar flow into.
As shown in Figure 1, the first tungsten electrode 8 is parallel to symmetry axis X fixing by the first tungsten electrode secured adjusted mechanism 4, the second tungsten electrode 8 ' be parallel to symmetry axis X by the second secured adjusted mechanism 4 ' fixing, done relative motion and realized that between two tungsten electrodes, spacing is adjustable continuously by two secured adjusted mechanisms.
as shown in Figure 1 and Figure 2,the active TIG weldering of two tungsten electrodes welding gun, the first tungsten electrode secured adjusted mechanism 4 is identical with second tungsten electrode secured adjusted mechanism 4 ' structure, hole on fixedly slide block 15 in the first tungsten electrode secured adjusted mechanism 4 and bolt 11 form the tungsten electrode fixed structure, and tungsten electrode is fixed, and can just be regulated tungsten electrode, in the groove that governor motion is positioned over insulation laminar flow device 5 tops by fixing slide block 15, in the circular trough 16 that elastic spring 14 is positioned over fixing slide block 15 left sides, lower ends and the circular trough 17 of rifle body 10 inwalls, nut 12 is on the screw mandrel of fixing slide block 15 clockwise or while being rotated counterclockwise, fixedly relative rifle body 10 inwalls of slide block 15 near or away from, elastic spring 14 plays equilibrium of forces and the stable fixedly effect of slide block 15, so fixedly slide block 15, the nut 12 of elastic spring 14 and rifle body 10 outer walls complements each other to form the governor motion perpendicular to X-axis jointly, driving the tungsten electrode level by slide block is moved, to regulate spacing between two tungsten electrodes.
Claims (2)
1. the active TIG of two tungsten electrodes welds welding gun, a torch body (1) is arranged, the laminar flow device (5) that it is characterized in that insulating connects nozzle (6), torch body (1) is separated by insulating spacer (9), realize that two tungsten electrode electric currents can independently regulate, torch body (1) is divided into symmetrical left and right two parts by symmetry axis (X), by insulation laminar flow device (5), is connected to integral body, and nozzle (6) is divided into two parts by partition (7) and realizes different gas atmospheres;
Welding gun cooling water gateway (2) is positioned at the inner left side of torch body (1), and the semiclosed cavity that the first half planar inner wall of the circular outer wall of rifle body and rifle body forms forms the cool cycles water route, with cooling welding tool; Gas introduction port (3) forms air chamber with torch body the latter half planar inner wall, and connects to form air chamber with insulation laminar flow device (5), makes air-flow change laminar flow into;
The first tungsten electrode (8) is parallel to symmetry axis (X) fixing by the first tungsten electrode secured adjusted mechanism (4), the second tungsten electrode (8 ') is parallel to symmetry axis (X) fixing by the second secured adjusted mechanism (4 '), by two secured adjusted mechanisms, is done relative motion and is realized that between two tungsten electrodes, spacing is adjustable continuously.
2.
according to claim 1the active TIG weldering of two tungsten electrodes welding gun, it is characterized in that the first tungsten electrode secured adjusted mechanism (4) is identical with the second tungsten electrode secured adjusted mechanism (4 ') structure, hole on fixedly slide block (15) in the first tungsten electrode secured adjusted mechanism (4) and bolt (11) form the tungsten electrode fixed structure, tungsten electrode is fixed, can be just regulated tungsten electrode, in the groove that governor motion is positioned over insulation laminar flow device (5) top by fixing slide block (15), in the circular trough (16) that elastic spring (14) is positioned over left side, fixing slide block (15) lower end and the circular trough (17) of rifle body (10) inwall, nut (12) is on the screw mandrel of fixing slide block (15) clockwise or while being rotated counterclockwise, fixedly slide block (15) relatively rifle body (10) inwall near or away from, elastic spring (14) plays equilibrium of forces and the stable fixedly effect of slide block (15), so fixing slide block (15), the nut (12) of elastic spring (14) and rifle body (10) outer wall complements each other to form the governor motion perpendicular to X-axis jointly, driving the tungsten electrode level by slide block is moved, to regulate spacing between two tungsten electrodes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101210591A CN103170713A (en) | 2013-04-10 | 2013-04-10 | Welding gun with double tungsten electrodes for activating flux TIG (tungsten inert gas) welding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101210591A CN103170713A (en) | 2013-04-10 | 2013-04-10 | Welding gun with double tungsten electrodes for activating flux TIG (tungsten inert gas) welding |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478969A (en) * | 2016-01-12 | 2016-04-13 | 北京工业大学 | Dual-center negative pressure electric arc wire filling welding method |
| CN105689868A (en) * | 2016-03-30 | 2016-06-22 | 山东诺博泰智能科技有限公司 | Automatic tungsten electrode change device |
| CN106563870A (en) * | 2015-10-12 | 2017-04-19 | 魏利军 | Twin-tungsten-electrode electronic swing arc (ESA) argon arc welding |
| CN106670630A (en) * | 2016-12-06 | 2017-05-17 | 山东省科学院海洋仪器仪表研究所 | Special welding gun with double flux-cored wires for underwater wet welding |
| CN109382570A (en) * | 2017-08-04 | 2019-02-26 | 北京文源同创科技有限公司 | A kind of welding gun |
| CN109483021A (en) * | 2018-11-21 | 2019-03-19 | 江苏科技大学 | A kind of double tungsten electrode pulse TIG welding methods |
| CN110303222A (en) * | 2019-07-12 | 2019-10-08 | 南京理工大学 | A kind of more tungsten electrode arc coaxial wire feed increasing material manufacturing devices |
| US10532418B2 (en) | 2017-08-08 | 2020-01-14 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing contact tip and diffuser |
| US10773335B2 (en) | 2017-08-08 | 2020-09-15 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
| US10792752B2 (en) | 2017-08-08 | 2020-10-06 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
| US11285557B2 (en) | 2019-02-05 | 2022-03-29 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system |
| US11440121B2 (en) | 2017-08-08 | 2022-09-13 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
| US11498146B2 (en) | 2019-09-27 | 2022-11-15 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
| US11504788B2 (en) | 2017-08-08 | 2022-11-22 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
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| CN1600491A (en) * | 2004-10-22 | 2005-03-30 | 哈尔滨工业大学 | Dual tungsten electrodes welding torch in use for argon are welding |
| CN201493607U (en) * | 2009-08-05 | 2010-06-02 | 成都泰尚科技有限公司 | Medium current plasma welding torch |
| CN101745726A (en) * | 2008-12-19 | 2010-06-23 | 普莱克斯技术有限公司 | Twin-wire melting pole gas shielded welding torch and welding method |
| CN102626817A (en) * | 2011-11-09 | 2012-08-08 | 兰州理工大学 | Welding gun for coupling-arc AA-TIG welding |
| CN202461816U (en) * | 2011-12-23 | 2012-10-03 | 杨泽宇 | Combined welding gun |
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| CN1600491A (en) * | 2004-10-22 | 2005-03-30 | 哈尔滨工业大学 | Dual tungsten electrodes welding torch in use for argon are welding |
| CN101745726A (en) * | 2008-12-19 | 2010-06-23 | 普莱克斯技术有限公司 | Twin-wire melting pole gas shielded welding torch and welding method |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563870A (en) * | 2015-10-12 | 2017-04-19 | 魏利军 | Twin-tungsten-electrode electronic swing arc (ESA) argon arc welding |
| CN105478969A (en) * | 2016-01-12 | 2016-04-13 | 北京工业大学 | Dual-center negative pressure electric arc wire filling welding method |
| CN105478969B (en) * | 2016-01-12 | 2018-05-25 | 北京工业大学 | Double central negative pressure electric arc welding with filler wire method |
| CN105689868A (en) * | 2016-03-30 | 2016-06-22 | 山东诺博泰智能科技有限公司 | Automatic tungsten electrode change device |
| CN106670630A (en) * | 2016-12-06 | 2017-05-17 | 山东省科学院海洋仪器仪表研究所 | Special welding gun with double flux-cored wires for underwater wet welding |
| CN109382570A (en) * | 2017-08-04 | 2019-02-26 | 北京文源同创科技有限公司 | A kind of welding gun |
| US10532418B2 (en) | 2017-08-08 | 2020-01-14 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing contact tip and diffuser |
| US10773335B2 (en) | 2017-08-08 | 2020-09-15 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
| US10792752B2 (en) | 2017-08-08 | 2020-10-06 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
| US11440121B2 (en) | 2017-08-08 | 2022-09-13 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
| US11484960B2 (en) | 2017-08-08 | 2022-11-01 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing contact tip and diffuser |
| US11504788B2 (en) | 2017-08-08 | 2022-11-22 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
| US11964346B2 (en) | 2017-08-08 | 2024-04-23 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
| CN109483021A (en) * | 2018-11-21 | 2019-03-19 | 江苏科技大学 | A kind of double tungsten electrode pulse TIG welding methods |
| CN109483021B (en) * | 2018-11-21 | 2022-07-08 | 江苏科技大学 | Double-tungsten-electrode pulse TIG welding method |
| US11285557B2 (en) | 2019-02-05 | 2022-03-29 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system |
| CN110303222A (en) * | 2019-07-12 | 2019-10-08 | 南京理工大学 | A kind of more tungsten electrode arc coaxial wire feed increasing material manufacturing devices |
| US11498146B2 (en) | 2019-09-27 | 2022-11-15 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
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Application publication date: 20130626 |