CN102528249A - Condensation electric arc welding gun - Google Patents
Condensation electric arc welding gun Download PDFInfo
- Publication number
- CN102528249A CN102528249A CN2012100530206A CN201210053020A CN102528249A CN 102528249 A CN102528249 A CN 102528249A CN 2012100530206 A CN2012100530206 A CN 2012100530206A CN 201210053020 A CN201210053020 A CN 201210053020A CN 102528249 A CN102528249 A CN 102528249A
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- sleeve pipe
- water inlet
- inlet sleeve
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Abstract
The invention discloses a condensation electric arc welding gun, which belongs to the technical field of welding equipment. A tungsten electrode is closely embedded in the center of an electrode holder; the electrode holder is sleeved in the center of a main connector through thread; the root part of the electrode holder is mutually engaged with the main connector by using an inclined surface, so that water cooling effect to the electrode and no leakage are guaranteed; a ceramic nozzle is sleeved on the periphery of the main connector through threaded connection; a protective gas laminar flow screen is a stainless steel wire net which is fixed on the other end face of the main connector through an O-shaped steel wire spring, so that protective gas forms laminar flow; a water outlet pipe, a water inlet bushing or a gas inlet bushing is provided with a cable connecting end; the water inlet bushing is coaxially sleeved outside a water outlet straight pipe; and the gas inlet bushing is sleeved outside the water inlet bushing, a water inlet passage is remained in the middle of the gas inlet bushing and the water inlet bushing, and the gas inlet bushing and the water inlet bushing are welded on the same end face of the main connector to form a water cooling passage and a gas protection passage. Apart from the ceramic nozzle, all the remaining materials are conductors. According to the condensation electric arc welding gun, the free electric arc energy intensity can be improved, and better capacity of controlling welding joint formation is achieved.
Description
Technical field
The present invention relates to a kind of welding gun, is to make the arc welding gun that electric arc shrinks, energy density improves, and belongs to technical field of welding equipment.
Background technology
Electric arc is a kind of form of gas discharge, in commercial Application, has quite long history with electric arc as welding heat source.Since occurring from free electric arc (1885, the carbon arc of the Benardos Olszewski of Russia), be the academic both at home and abroad focus of paying close attention to engineering circle professional person to the optimizing of electric arc structure and characteristic always.Last century the forties, gas tungsten arc welding welding gun and technology have been invented by U.S. NorthropGrumman company, have improved the energy density and the controllability of electric arc, and the quality table of metal material melting welding is revealed good effect.Since over half a century thereafter, not changing of this kind welding gun in form always, the electric arc that its shortcoming outstanding in producing use is this welding gun is the free combustion state, and energy density is difficult to further raising, causes welding production efficiency and is difficult to improve.Simultaneously, also make the heat input of welding point excessive, make post welding distortion and residual stress bigger with the heat affected area.Therefore, from the physical attribute analysis of free electric arc, a kind of high-energy-density electric arc that can satisfy the welded and high efficient demand has been difficult to rely on the mode that increases the electrical power input to realize again.
Summary of the invention
The purpose of this invention is to provide a kind of bunching arc welding gun, is a kind of new construction that can improve free arc energy density.
Bunching arc welding gun of the present invention is characterized in that, comprises tungsten electrode, electrode tip holder, ceramic nozzle, main connector, protective gas laminar flow sieve, water outlet straight tube, water inlet sleeve pipe, air inlet sleeve pipe, cable link.
Main connector is a circle ring column, and inside and outside equal side is provided with screw thread; One end coaxial welding of water outlet straight tube is at an end face of main connector, and has through hole; The coaxial outside that is enclosed within the water outlet straight tube of water inlet sleeve pipe; Intake tunnel is left in the centre; Intake tunnel is communicated with the water outlet straight tube through the hole on the water outlet straight tube; The water inlet sleeve pipe is welded on the same end face of main connector equally, and the water inlet sleeve pipe other end then is connected together with the seal weld of water outlet straight tube, and is provided with water inlet; The coaxial into water cover tube outside that is enclosed within of air inlet sleeve pipe, inlet channel is left in the centre, and the air inlet sleeve pipe is welded on the same end face of main connector equally, and is provided with air inlet; At the inlet channel place, main connector has through hole vertically.
Tungsten electrode closely is embedded in the center of electrode tip holder 1; One end periphery of electrode tip holder is provided with external screw thread, is connected with main connector 3 to fix, and is connected 3 employing inclined-planes with main body at electrode tip holder 1 thread root and is meshing with each other; The water-stop property structure of this particular design; Not only guarantee the water-cooled of electrode is but acted on and ne-leakage, and simple and convenient when changing electrode, and electrode and electrode tip holder all can repeat repeatedly to use; The internal thread of ceramic nozzle 2 is connected 3 external screw thread fixed connection with main body, make ceramic nozzle 2 be enclosed within the periphery of main connector 3, and ceramic nozzle 2 can adopt commercially available welding to use the ceramic nozzle standard component, to guarantee replacing and spare part source; Electrode tip holder, main connector all are in the cavity of ceramic nozzle, and the length of electrode tip holder is greater than main connector, between the partial electrode seat of dereliction connector and ceramic nozzle, form gas cavity; Protective gas laminar flow sieve 4 is the stainless steel cloths that are fixed on main connector other end with O shaped steel silk spring, makes protective gas form the laminar flow shape; Outlet pipe, water inlet sleeve pipe or air inlet sleeve pipe are provided with cable link 9.Above-mentioned except that ceramic nozzle 2, all the other materials are conductor.
Preferably except being the outsourcing standard component (ceramic nozzle), main connector 3 adopts brass material, and all the other all adopt the red copper material.Preferred cable link is welded on into water outside of sleeve.
Pressure to electrode is but immersion water-cooled; Thereby formed the necessary condition of limitation and restriction electrode tip generation " thermionic emission " scope; The current density of the tungsten electrode end of flowing through is increased; Produce stronger " shrinking " effect, form narrower ionized gas passage, thereby make the energy density of electric arc be higher than the welding arc that traditional tungsten electrode gas is protected weldering from magnetic.
Bunching electric arc of the present invention has the big characteristics of energy density under equal electric current input; On the welding procedure effect, show as because the energy density of electric arc is high; Help increasing the fusion penetration of weld seam; Reduction reduces the size of weld seam and heat affected area to the hot input quantity of workpiece, improves welding production efficiency.This kind electric arc thermal source has the ability of better control appearance of weld in welding.
Welding gun of the present invention can be worked under multiple current-modes such as direct current, interchange and pulse.The maximum current of running hours is 300A.Be suitable for the welding of stainless steel, steel alloy or the carbon steel sheet of thickness below 3mm, also be suitable for the welding of thickness at 2mm or following aluminum alloy materials.
Description of drawings
Fig. 1 bunching arc welding gun structure chart;
1-electrode tip holder (containing tungsten electrode), 2-ceramic nozzle (being commercially available standard component), 3-master's connector, 4-protective gas laminar flow sieve (containing O shaped steel silk spring), 5-water inlet sleeve pipe, 6-water outlet straight tube, 7-air inlet sleeve pipe, 8-tower straight coupling, 9-cable link.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is elaborated, but the present invention is not limited in following examples.
Embodiment 1
Bunching arc welding gun structure chart is seen Fig. 1, and main connector 3 is a circle ring column, and inside and outside equal side is provided with screw thread; One end coaxial welding of water outlet straight tube 6 is at an end face of main connector, and has through hole; The water inlet sleeve pipe 5 coaxial outsides that are enclosed within the water outlet straight tube; Intake tunnel is left in the centre; Intake tunnel is communicated with the water outlet straight tube through the hole on the water outlet straight tube; The water inlet sleeve pipe is welded on the same end face of main connector equally, and the water inlet sleeve pipe other end then is connected together with the seal weld of water outlet straight tube, and is provided with water inlet; The air inlet sleeve pipe 7 coaxial into water cover tube outsides that are enclosed within, inlet channel is left in the centre, and the air inlet sleeve pipe is welded on the same end face of main connector equally, and is provided with air inlet; At the inlet channel place, main connector has through hole vertically.
Tungsten electrode closely is embedded in the center of electrode tip holder 1; One end periphery of electrode tip holder is provided with external screw thread, is connected with main connector 3 to fix, and is connected 3 employing inclined-planes with main body at electrode tip holder 1 thread root and is meshing with each other; The water-stop property structure of this particular design; Not only guarantee the water-cooled of electrode is but acted on and ne-leakage, and simple and convenient when changing electrode, and electrode and electrode tip holder all can repeat repeatedly to use; The internal thread of ceramic nozzle 2 is connected 3 external screw thread fixed connection with main body, make ceramic nozzle 2 be enclosed within the periphery of main connector 3, and ceramic nozzle 2 adopts commercially available welding to use the ceramic nozzle standard component, to guarantee replacing and spare part source; Electrode tip holder, main connector all are in the cavity of ceramic nozzle, and the length of electrode tip holder is greater than main connector, between the partial electrode seat of dereliction connector and ceramic nozzle, form gas cavity; Protective gas laminar flow sieve 4 is the stainless steel cloths that are fixed on main connector other end with O shaped steel silk spring, makes protective gas form the laminar flow shape; The water inlet sleeve pipe is provided with cable link 9.Above-mentioned except that ceramic nozzle 2, main connector 3 adopts brass material, and all the other all adopt the red copper material.Water outlet straight tube water side, air inlet and water inlet also all are equipped with tower straight coupling 8; Cable link 9 is to be connected with electric welding machine.
During work, water gets into the intake tunnel from water supply connector, gets into the water outlet straight tube through the hole on the water outlet straight tube; And circulate; Directly electrode is forced but immersion water-cooledly at this process water, protective gas gets into inlet channel from inlet suction port, sieves through through hole on the main connector and protective gas laminar flow; Form conforming layer gas body and get into the gas cavity between ceramic nozzle and the electrode tip holder, directly reach workpiece then.
Before the welding beginning, must check whether water cooling labyrinth work is normal.The water cooling plant that is adopted can be to carry on the welding machine, also can be the commercially available standardized product that is used for the water cooled welding torch cooling.According to the actual needs of welding procedure, the parameter of the source of welding current is provided with, or the real-time optimization welding parameter.When welding finishes or interim the interruption, continue to keep 1-2 minute welding gun water-cooled, welding gun is fully cooled off, help improving welding gun service life.Other have no special requirements to operation.
Claims (4)
1. the bunching arc welding gun is characterized in that, comprises tungsten electrode, electrode tip holder, ceramic nozzle, main connector, protective gas laminar flow sieve, water outlet straight tube, water inlet sleeve pipe, air inlet sleeve pipe, cable link;
Main connector is a circle ring column, and inside and outside equal side is provided with screw thread; One end coaxial welding of water outlet straight tube is at an end face of main connector, and has through hole; The coaxial outside that is enclosed within the water outlet straight tube of water inlet sleeve pipe; Intake tunnel is left in the centre; Intake tunnel is communicated with the water outlet straight tube through the hole on the water outlet straight tube; The water inlet sleeve pipe is welded on the same end face of main connector equally, and the water inlet sleeve pipe other end then is connected together with the seal weld of water outlet straight tube, and is provided with water inlet; The coaxial into water cover tube outside that is enclosed within of air inlet sleeve pipe, inlet channel is left in the centre, and the air inlet sleeve pipe is welded on the same end face of main connector equally, and is provided with air inlet; At the inlet channel place, main connector has through hole vertically;
Tungsten electrode closely is embedded in the center of electrode tip holder, and an end periphery of electrode tip holder is provided with external screw thread, is connected with main connector to fix, and is connected with main body at the electrode tip holder thread root and adopts the inclined-plane to be meshing with each other, and guarantees the water-cooled of electrode is but acted on and ne-leakage; The external screw thread that the internal thread of ceramic nozzle is connected with main body is fixedly connected, and makes ceramic nozzle be enclosed within the periphery of main connector; Electrode tip holder, main connector all are in the cavity of ceramic nozzle, and the length of electrode tip holder is greater than main connector, between the partial electrode seat of dereliction connector and ceramic nozzle, form gas cavity; Protective gas laminar flow sieve is the stainless steel cloth that is fixed on main connector other end with O shaped steel silk spring, makes protective gas form the laminar flow shape; Outlet pipe, water inlet sleeve pipe or air inlet sleeve pipe are provided with the cable link;
Above-mentioned electrode tip holder, main connector, protective gas laminar flow sieve, water outlet straight tube, water inlet sleeve pipe, air inlet sleeve pipe and cable link are conductor.
2. according to the bunching arc welding gun of claim 1, it is characterized in that main connector adopts brass material, electrode tip holder, water outlet straight tube, water inlet sleeve pipe, air inlet sleeve pipe and cable link all adopt the red copper material.
3. according to the bunching arc welding gun of claim 1, it is characterized in that the water side of air inlet, water inlet and water outlet straight tube all is equipped with joint.
4. according to the bunching arc welding gun of claim 1, it is characterized in that the cable link is welded on into water outside of sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100530206A CN102528249A (en) | 2012-03-02 | 2012-03-02 | Condensation electric arc welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100530206A CN102528249A (en) | 2012-03-02 | 2012-03-02 | Condensation electric arc welding gun |
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| CN102528249A true CN102528249A (en) | 2012-07-04 |
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| CN2012100530206A Pending CN102528249A (en) | 2012-03-02 | 2012-03-02 | Condensation electric arc welding gun |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464879A (en) * | 2013-09-13 | 2013-12-25 | 新兴铸管股份有限公司 | Welding gun cooling protection device for argon arc welder |
| CN104002031A (en) * | 2014-05-20 | 2014-08-27 | 上海泛联科技股份有限公司 | High-energy arc torch |
| CN104191075A (en) * | 2014-05-13 | 2014-12-10 | 山东奥太电气有限公司 | Welding gun of high-energy tungsten electrode inert gas welding and process thereof |
| CN105729007A (en) * | 2016-04-26 | 2016-07-06 | 柳州福能机器人开发有限公司 | Spot welding device for robots |
| CN105834563A (en) * | 2016-06-15 | 2016-08-10 | 济南尼克焊接技术有限公司 | Efficient air-cooled argon arc welding gun |
| CN105983774A (en) * | 2016-06-24 | 2016-10-05 | 天津大学 | Water-cooling TIG welding gun with copper-coated tungsten electrode on basis of cathode compression effect |
| CN106001861A (en) * | 2016-06-15 | 2016-10-12 | 济南尼克焊接技术有限公司 | Efficient water-cooling argon arc welding gun |
| CN106077920A (en) * | 2016-06-24 | 2016-11-09 | 天津大学 | A kind of tungsten electrode internal water cooling TIG welding gun based on negative electrode pinch effect |
| CN106378520A (en) * | 2016-09-20 | 2017-02-08 | 天津大学 | High-current TIG welding gun capable of cooling cathodes |
| CN106695087A (en) * | 2017-02-14 | 2017-05-24 | 无锡威孚力达催化净化器有限责任公司 | Split type water cooling anti-splashing gas shield welding gun |
| CN106735786A (en) * | 2017-01-23 | 2017-05-31 | 广东福维德焊接股份有限公司 | A kind of integrated lock effect of holes TIG deep penetration welding welding guns |
| CN106825869A (en) * | 2017-04-14 | 2017-06-13 | 石雪蛟 | Argon-arc welding gun and the device with the argon-arc welding gun |
| CN109434256A (en) * | 2018-12-28 | 2019-03-08 | 成都国泰景程科技有限公司 | A kind of gas tungsten arc welding welding gun of compressible electric arc |
| CN109967844A (en) * | 2017-12-28 | 2019-07-05 | 唐山开元焊接自动化技术研究所有限公司 | A kind of bipolar electrode argon arc welding gun |
| CN110505935A (en) * | 2017-04-13 | 2019-11-26 | 弗罗纽斯国际有限公司 | Tig torch main body, tig torch handle and the tig torch with this tig torch main body and tig torch handle |
| CN114888469A (en) * | 2022-06-10 | 2022-08-12 | 北京工业大学 | Nozzle and vibrating mirror laser welding gas protection device |
| US11780025B2 (en) | 2016-06-15 | 2023-10-10 | Jinan Uniarc Welding Technology Limited | TIG welding torch |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464879B (en) * | 2013-09-13 | 2016-03-16 | 新兴铸管股份有限公司 | A kind of welding gun Cooling protector of argon arc welding machine |
| CN103464879A (en) * | 2013-09-13 | 2013-12-25 | 新兴铸管股份有限公司 | Welding gun cooling protection device for argon arc welder |
| CN104191075A (en) * | 2014-05-13 | 2014-12-10 | 山东奥太电气有限公司 | Welding gun of high-energy tungsten electrode inert gas welding and process thereof |
| CN104002031B (en) * | 2014-05-20 | 2016-12-07 | 上海泛联科技股份有限公司 | A kind of high-energy arc torch |
| CN104002031A (en) * | 2014-05-20 | 2014-08-27 | 上海泛联科技股份有限公司 | High-energy arc torch |
| CN105729007A (en) * | 2016-04-26 | 2016-07-06 | 柳州福能机器人开发有限公司 | Spot welding device for robots |
| CN106001861A (en) * | 2016-06-15 | 2016-10-12 | 济南尼克焊接技术有限公司 | Efficient water-cooling argon arc welding gun |
| CN105834563A (en) * | 2016-06-15 | 2016-08-10 | 济南尼克焊接技术有限公司 | Efficient air-cooled argon arc welding gun |
| US11780025B2 (en) | 2016-06-15 | 2023-10-10 | Jinan Uniarc Welding Technology Limited | TIG welding torch |
| CN105834563B (en) * | 2016-06-15 | 2018-08-07 | 济南尼克焊接技术有限公司 | A kind of efficiently air cooling argon-arc welding gun |
| CN106001861B (en) * | 2016-06-15 | 2018-08-07 | 济南尼克焊接技术有限公司 | A kind of high-efficiency water cooling argon-arc welding gun |
| CN105983774A (en) * | 2016-06-24 | 2016-10-05 | 天津大学 | Water-cooling TIG welding gun with copper-coated tungsten electrode on basis of cathode compression effect |
| CN106077920A (en) * | 2016-06-24 | 2016-11-09 | 天津大学 | A kind of tungsten electrode internal water cooling TIG welding gun based on negative electrode pinch effect |
| CN105983774B (en) * | 2016-06-24 | 2018-08-10 | 天津大学 | A kind of copper-clad tungsten electrode water cooling TIG welding guns based on cathode pinch effect |
| CN106077920B (en) * | 2016-06-24 | 2018-11-06 | 天津大学 | A kind of tungsten electrode internal water cooling TIG welding guns based on cathode pinch effect |
| CN106378520A (en) * | 2016-09-20 | 2017-02-08 | 天津大学 | High-current TIG welding gun capable of cooling cathodes |
| CN106735786A (en) * | 2017-01-23 | 2017-05-31 | 广东福维德焊接股份有限公司 | A kind of integrated lock effect of holes TIG deep penetration welding welding guns |
| CN106695087A (en) * | 2017-02-14 | 2017-05-24 | 无锡威孚力达催化净化器有限责任公司 | Split type water cooling anti-splashing gas shield welding gun |
| CN110505935A (en) * | 2017-04-13 | 2019-11-26 | 弗罗纽斯国际有限公司 | Tig torch main body, tig torch handle and the tig torch with this tig torch main body and tig torch handle |
| CN110505935B (en) * | 2017-04-13 | 2021-06-25 | 弗罗纽斯国际有限公司 | TIG torch body, TIG torch handle, and TIG torch having the same |
| US11338383B2 (en) | 2017-04-13 | 2022-05-24 | Fronius International Gmbh | TIG welding torch body, TIG welding torch handle, and TIG welding torch having such a TIG welding torch body and TIG welding torch handle |
| CN106825869A (en) * | 2017-04-14 | 2017-06-13 | 石雪蛟 | Argon-arc welding gun and the device with the argon-arc welding gun |
| CN109967844A (en) * | 2017-12-28 | 2019-07-05 | 唐山开元焊接自动化技术研究所有限公司 | A kind of bipolar electrode argon arc welding gun |
| CN109434256A (en) * | 2018-12-28 | 2019-03-08 | 成都国泰景程科技有限公司 | A kind of gas tungsten arc welding welding gun of compressible electric arc |
| CN114888469A (en) * | 2022-06-10 | 2022-08-12 | 北京工业大学 | Nozzle and vibrating mirror laser welding gas protection device |
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Application publication date: 20120704 |