CN201055939Y - Combined welding set of plasma welding and tungsten electrode argon arc welding - Google Patents
Combined welding set of plasma welding and tungsten electrode argon arc welding Download PDFInfo
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- CN201055939Y CN201055939Y CN 200720039986 CN200720039986U CN201055939Y CN 201055939 Y CN201055939 Y CN 201055939Y CN 200720039986 CN200720039986 CN 200720039986 CN 200720039986 U CN200720039986 U CN 200720039986U CN 201055939 Y CN201055939 Y CN 201055939Y
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Abstract
The utility model relates to a combined welding device for plasma welding and TIG welding, which comprises an adjusting carriage that can horizontally move, a tracking carriage for plasma arc length that can be arranged on the adjusting carriage in elevation, a plasma welding gun fixedly connected with the plasma arc tracking carriage, in addition, the welding device also comprises a TIG welding gun positioned in the rear side of the plasma welding gun, a tracking carriage for TIG arc length fixedly connected with the TIG welding gun and arranged on the adjusting carriage in elevation. The plasma welding and TIG welding are combined to form a new welding machine, the plasma welding has the characteristic of strong penetration capacity, and the free electric arc of the TIG welding has good covering capacity, so as to realize the effects on beautiful forms of front and rear surfaces. In addition, the plasma welding and the TIG welding are simultaneously welded, the welding residual heat after the plasma welding can reduce the energy for the following TIG welding cover surface, and the single-pass welding can save the half time than the two-pass welding, so as to improve the welding speed, thereby greatly improving the production efficiency.
Description
Technical field
The utility model relates to welding procedure equipment field, particularly relates to a kind of plasma welding and argon tungsten-arc welding combined welding device.
Background technology
The operation principle of argon tungsten-arc welding (TIG weldering) is under this inert gas shielding of argon gas; utilize the arc heat that produces between tungsten electrode and workpiece to melt mother metal and filler wire (also can not add filler wire) thus form the Fundamentals of Welding of weld seam; this kind welding equipment since welding time arc stability; so its adaptive capacity is stronger; it almost can weld all metal materials; be usually used in stainless steel; high temperature alloy; aluminium, magnesium, titanium and alloy thereof, the welding of refractory active metal (zirconium, tantalum, molybdenum, niobium etc.) and dissimilar metal.And the operation principle of plasma welding is by the contained effect of water-cooled nozzle to electric arc, the plasma arc that obtains high-energy-density welds, compare with the TIG weldering, plasma welding is because plasma arc is subjected to mechanical compress, thermal contraction and magnetic contraction, thereby cause the cross section of electric arc to diminish, current density increases, and arc temperature increases.The plasma arc energy density can reach 105～106W/cm
2, than free electric arc (about 105W/cm
2Below) height, its temperature can reach 18000～24000K, and (about 5000～8000K) is a lot of also to be higher than free electric arc.Plasma arc deflection directive property is good in addition, sprays effectively, and the penetration ability is strong, can the thicker metal of through welding.Facts have proved: adopt single rifle plasma process can be under the prerequisite of square groove, stainless steel that can a through welding 8mm.
Existing plasma welding device comprises the adjusting balladeur train that can move horizontally, liftably be arranged on the plasma arc length of regulating on the balladeur train describedly follows the tracks of balladeur train, follows the tracks of balladeur train with the plasma arc length and be fixedly connected and nozzle plasma gun straight down, wherein this adjusting balladeur train is used at welding process left and right adjusting welding gun, thereby guarantee plasma gun and weld seam point-blank, thereby the plasma arc length is followed the tracks of balladeur train is used to regulate the nozzle distance weldment in the process of welding height and is reached and regulate the plasma arc length, guarantees the purpose of arc voltage unanimity.But this plasma welder is owing to be subjected to the restriction of workpiece assembled condition (misalignment, gap value bigger than normal), and welding wire enters the influence that state article on plasma aperture in the molten bath is shaped in the welding process, the single track welding to obtain more satisfactory just, back-welding shape is quite difficult.Want to improve speed of welding in addition, can bring the defective of weld seam undercut again.
Summary of the invention
The utility model purpose is when but a kind of single-run welding double-faced forming is provided in order to overcome the deficiencies in the prior art and has improved the plasma welding and the argon arc welding combined welding device of speed of welding.
For achieving the above object, the technical solution adopted in the utility model is: a kind of plasma welding and argon tungsten-arc welding combined welding device, it comprises the adjusting balladeur train that can move horizontally, the plasma arc length that liftably is arranged on the described adjusting balladeur train is followed the tracks of balladeur train, follow the tracks of balladeur train with described plasma arc length and be fixedly connected and nozzle plasma gun straight down, it also comprises and is positioned at described plasma gun downstream and nozzle tungsten argon arc welding gun straight down, be fixedly connected with described tungsten argon arc welding gun and liftably be arranged on tungsten argon arc arc length tracing balladeur train on the described adjusting balladeur train.
To the variation of technique scheme be explained as follows:
1, distance is 200 millimeters～500 millimeters between the nozzle of the nozzle of described plasma gun and described tungsten argon arc welding gun, and this distance can be regulated according to different materials, thereby obtains positive moulding more attractive in appearance, and can save material, reduces cost.
2, also be provided with on the described tungsten argon arc welding gun wire feed frame, with the wire-feeding pipe that described wire feed frame rotates and is connected, wire-feeding pipe is set can imports welding wire as requested, and can adjust the angle of wire feed by the wire feed frame.
3, be set with near the nozzle place of tungsten argon arc welding gun on the described tungsten argon arc welding gun that gas drags cover because the metal melt temperature is higher; as easy as rolling off a log oxidation causes the color of weld seam not attractive in appearance; drag cover by this gas is set, can protect weld seam, thereby obtain desirable weld seam color.
Because technique scheme utilization, the utility model compared with prior art has following advantage: by with plasma welding and the new welder of the combined formation of argon tungsten-arc welding, characteristics and the argon tungsten-arc welding free electric arc strong by the plasma welding penetration capacity have good shoe lid ability, thereby just can reach, the effect that back-welding shape is attractive in appearance, and two welding guns of plasma gun and tungsten argon arc welding gun weld simultaneously, welding waste heat after the plasma welding of front can reduce energy for the TIG weldering capping of closelying follow thereafter like this, single-run welding can be saved one times of time than the two pass weldering in addition, improve speed of welding, thereby enhance productivity greatly.
Description of drawings
Accompanying drawing 1 is the utility model structural representation;
Accompanying drawing 2 welds back weld seam schematic diagram for the utility model;
Accompanying drawing 3 is an A-A place cutaway view in the accompanying drawing 2;
Wherein: 1, the plasma arc length is followed the tracks of balladeur train; 2, plasma gun; 3, wire-feeding pipe; 4, gas drags cover; 5, wire feed frame; 6, tungsten argon arc welding gun; 7, regulate balladeur train; 8, tungsten argon arc arc length tracing balladeur train; 9, workpiece; 10, plasma weld seam; 11, tungsten argon arc weld seam.
The specific embodiment
Below in conjunction with accompanying drawing, describe particular content of the present utility model in detail for example:
As shown in Figure 1, the utility model combined welding device comprises two kinds of welding manners, be respectively plasma welding and argon tungsten-arc welding (TIG weldering), wherein plasma welding equipment comprises the adjusting balladeur train 7 that can move horizontally, the plasma arc length that liftably is arranged on the described adjusting balladeur train 7 is followed the tracks of balladeur train 1, following the tracks of balladeur train 1 with described plasma arc length is fixedly connected and nozzle plasma gun 2 straight down, this adjusting balladeur train 7 is used at welding process left and right adjusting welding gun, thereby guarantee plasma gun and weld seam point-blank, thereby the plasma arc length is followed the tracks of balladeur train 1 and is used for reaching at the height that the process of welding is regulated the nozzle distance workpiece 9 of plasma gun and regulates the plasma arc length, guarantee the purpose of arc voltage unanimity.
The tungsten argon arc soldering equipment comprise be positioned at straight down tungsten argon arc welding gun 6 of described plasma gun 2 downstreams and nozzle, being fixedly connected with described tungsten argon arc welding gun 6 liftably is arranged on tungsten argon arc arc length tracing balladeur train 8 on the described adjusting balladeur train 7.Downstream herein is relative plasma gun 2, carries out afterwards because tungsten argon arc is welded in plasma welding, so claim tungsten argon arc welding gun 6 to be positioned at the downstream of plasma gun 2 at this.Thereby regulating balladeur train 7 not only plays and tungsten argon arc welding gun 6 is carried out left and right adjusting guarantees tungsten argon arc welding gun 6 and weld seam point-blank in welding process, also play the effect that connects plasma gun 2 and tungsten argon arc welding gun 6, tungsten argon arc arc length tracing balladeur train 8 also is used for the effect at the height of the nozzle distance workpiece 9 of the process adjusting tungsten argon arc welding gun of welding.
Wherein, plasma gun 2, plasma arc length follow the tracks of balladeur train 1, regulate balladeur train 7 and tungsten argon arc welding gun 6, the structure of tungsten argon arc arc length tracing balladeur train 8 self is a structure as well known to those skilled in the art, gives unnecessary details no longer one by one at this.
In the utility model, distance L is 200 millimeters～500 millimeters between the nozzle of the nozzle of described plasma gun and described tungsten argon arc welding gun, this distance L can be adjusted according to different materials, the adjustment principle is: for stainless steel, carbon steel class material, be difficult for too little also should not be too big, interlayer temperature is too high during the too little TIG capping of distance L, do not meet technological requirement, and stainless steel heat conduction is slow, if metal temperature is very high after plasma welding, TIG capping molten bath is difficult for spreading out, and causes positive shaping not attractive in appearance, and distance L is too big, structure can strengthen, can cause material to increase, cost increases, thereby distance L should be controlled at 200～300 millimeters; For titanium, the easy oxide alloy material of zirconium class, in order to increase after the plasma welding the protection of metal, distance L should suitably increase, and can be controlled in 300～500 millimeters.
The wire-feeding pipe 3 that on described tungsten argon arc welding gun 6, also is provided with wire feed frame 5, rotates and be connected with described wire feed frame 5, input has welding wire in the wire-feeding pipe 3, in welding, the speed of sending into of the welding wire of wire-feeding pipe 3 will determine the reinforcement in weld seam front, usually according to sending gage of wire difference, generally between 1000mm/min～2000mm/min, this is a common practise in the present technique field to wire feed rate, does not repeat them here.
For thereby the high temperature melt of metal in the process that prevents to weld makes metal by high-temperature oxydation; the nozzle place of close tungsten argon arc welding gun 6 is set with gas and drags cover 4 on described tungsten argon arc welding gun 6; by being set, this gas drags cover 4; but butt welded seam is effectively protected, thereby avoids the commissure high-temperature oxydation and make the color dimness of weld seam.
The ability that the utility model utilizes the good aperture of plasma to penetrate, when guaranteeing single face welding and double face shaping, free electric arc by the TIG weldering has good shoe lid ability, cooperate again and go up an amount of welding wire, reach the positive effect attractive in appearance that is shaped, plasma weld seam 10 shown in accompanying drawing 2 and accompanying drawing 3 and tungsten argon arc weld seam 11.And plasma gun and tungsten argon arc welding gun weld simultaneously, can reach when reducing the heat input input as far as possible, improve speed of welding, be that welding waste heat after the plasma welding of front can be that the TIG capping of back reduces energy, single-run welding can be saved one times of time than the two pass weldering in addition, thereby enhances productivity greatly.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (4)
1. plasma welding and argon tungsten-arc welding combined welding device, it comprises the adjusting balladeur train (7) that can move horizontally, the plasma arc length that liftably is arranged on the described adjusting balladeur train (7) is followed the tracks of balladeur train (1), follow the tracks of balladeur train (1) with described plasma arc length and be fixedly connected and nozzle plasma gun (2) straight down, it is characterized in that: it also comprises and is positioned at described plasma gun (2) downstream and nozzle tungsten argon arc welding gun (6) straight down, be fixedly connected with described tungsten argon arc welding gun (6) and liftably be arranged on tungsten argon arc arc length tracing balladeur train (8) on the described adjusting balladeur train (7).
2. plasma welding according to claim 1 and argon tungsten-arc welding combined welding device is characterized in that: distance is 200 millimeters～500 millimeters between the nozzle of the nozzle of described plasma gun (2) and described tungsten argon arc welding gun (6).
3. plasma welding according to claim 1 and 2 and argon tungsten-arc welding combined welding device is characterized in that: the wire-feeding pipe (3) that also is provided with wire feed frame (5) on the described tungsten argon arc welding gun (6), rotates and be connected with described wire feed frame (5).
4. plasma welding according to claim 1 and argon tungsten-arc welding combined welding device is characterized in that: the nozzle place of the upward close tungsten argon arc welding gun (6) of described tungsten argon arc welding gun (6) is set with gas and drags cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720039986 CN201055939Y (en) | 2007-06-07 | 2007-06-07 | Combined welding set of plasma welding and tungsten electrode argon arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720039986 CN201055939Y (en) | 2007-06-07 | 2007-06-07 | Combined welding set of plasma welding and tungsten electrode argon arc welding |
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| CN201055939Y true CN201055939Y (en) | 2008-05-07 |
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|---|---|---|---|
| CN 200720039986 Expired - Lifetime CN201055939Y (en) | 2007-06-07 | 2007-06-07 | Combined welding set of plasma welding and tungsten electrode argon arc welding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829852A (en) * | 2010-04-06 | 2010-09-15 | 宝鸡石油钢管有限责任公司 | Continuous oil pipe steel strip butting technique |
| CN102873434A (en) * | 2012-10-18 | 2013-01-16 | 山东大学 | High-speed welding device for double-TIG (tungsten inert gas) welding gun thin-wall steel pipe |
| CN103567652A (en) * | 2013-11-14 | 2014-02-12 | 哈尔滨工程大学 | Aluminum alloy direct current plasma-tungsten electrode argon arc hybrid welding method based on pulse coordination control |
| CN104308380A (en) * | 2014-10-17 | 2015-01-28 | 唐山开元焊接自动化技术研究所有限公司 | Plasma and dual TIG (tungsten inert gas) composite welding device and method of medium plate |
| CN105904109A (en) * | 2016-06-16 | 2016-08-31 | 哈尔滨工业大学（威海） | Plasma-TIG electric-arc coupling composite welding device and method |
| CN106001952A (en) * | 2016-06-22 | 2016-10-12 | 沈阳博帅材料科技有限公司 | Method for compound welding of aluminum alloy through plasma arc-TIG |
| CN106378541A (en) * | 2016-11-16 | 2017-02-08 | 兰州理工大学 | Plasma and TIG double-gun welding method applicable to nickel and nickel alloy |
| CN107442956A (en) * | 2017-09-11 | 2017-12-08 | 河北创力机电科技有限公司 | A kind of aluminum pipe flange automatic welding joint and its work station |
| CN109352141A (en) * | 2018-12-18 | 2019-02-19 | 中车长江车辆有限公司 | A kind of welding method of pressure container cylinder circumferential weld |
| CN110026665A (en) * | 2019-05-07 | 2019-07-19 | 吴忠市黄河电焊机有限公司 | A kind of digital multifunctional power supply based on plasma arc technology |
| CN110434498A (en) * | 2019-07-24 | 2019-11-12 | 昆山华恒焊接股份有限公司 | Paraxonic formula hybrid welding torch |
| CN110434497A (en) * | 2019-07-16 | 2019-11-12 | 中车西安车辆有限公司 | A kind of welding method of cylinder one side welding with back formation |
| CN115070181A (en) * | 2021-03-16 | 2022-09-20 | 上海梅山钢铁股份有限公司 | Method for improving plasma welding quality |
| CN118492586A (en) * | 2024-07-19 | 2024-08-16 | 洛阳伍鑫金属材料科技有限公司 | Plasma arc welding equipment for titanium alloy pipeline |
-
2007
- 2007-06-07 CN CN 200720039986 patent/CN201055939Y/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101829852A (en) * | 2010-04-06 | 2010-09-15 | 宝鸡石油钢管有限责任公司 | Continuous oil pipe steel strip butting technique |
| CN102873434A (en) * | 2012-10-18 | 2013-01-16 | 山东大学 | High-speed welding device for double-TIG (tungsten inert gas) welding gun thin-wall steel pipe |
| CN102873434B (en) * | 2012-10-18 | 2015-04-15 | 山东大学 | High-speed welding device for double-TIG (tungsten inert gas) welding gun thin-wall steel pipe |
| CN103567652A (en) * | 2013-11-14 | 2014-02-12 | 哈尔滨工程大学 | Aluminum alloy direct current plasma-tungsten electrode argon arc hybrid welding method based on pulse coordination control |
| CN103567652B (en) * | 2013-11-14 | 2015-06-17 | 哈尔滨工程大学 | Aluminum alloy direct current plasma-tungsten electrode argon arc hybrid welding method based on pulse coordination control |
| CN104308380A (en) * | 2014-10-17 | 2015-01-28 | 唐山开元焊接自动化技术研究所有限公司 | Plasma and dual TIG (tungsten inert gas) composite welding device and method of medium plate |
| CN104308380B (en) * | 2014-10-17 | 2017-03-15 | 唐山开元焊接自动化技术研究所有限公司 | A kind of plasma of medium-thick plate and double TIG combined welding devices and method |
| CN105904109A (en) * | 2016-06-16 | 2016-08-31 | 哈尔滨工业大学（威海） | Plasma-TIG electric-arc coupling composite welding device and method |
| CN106001952B (en) * | 2016-06-22 | 2018-08-31 | 沈阳博帅材料科技有限公司 | A kind of method of plasma arc-TIG composite welding aluminium alloys |
| CN106001952A (en) * | 2016-06-22 | 2016-10-12 | 沈阳博帅材料科技有限公司 | Method for compound welding of aluminum alloy through plasma arc-TIG |
| CN106378541A (en) * | 2016-11-16 | 2017-02-08 | 兰州理工大学 | Plasma and TIG double-gun welding method applicable to nickel and nickel alloy |
| CN107442956A (en) * | 2017-09-11 | 2017-12-08 | 河北创力机电科技有限公司 | A kind of aluminum pipe flange automatic welding joint and its work station |
| CN109352141A (en) * | 2018-12-18 | 2019-02-19 | 中车长江车辆有限公司 | A kind of welding method of pressure container cylinder circumferential weld |
| CN110026665A (en) * | 2019-05-07 | 2019-07-19 | 吴忠市黄河电焊机有限公司 | A kind of digital multifunctional power supply based on plasma arc technology |
| CN110434497A (en) * | 2019-07-16 | 2019-11-12 | 中车西安车辆有限公司 | A kind of welding method of cylinder one side welding with back formation |
| CN110434498A (en) * | 2019-07-24 | 2019-11-12 | 昆山华恒焊接股份有限公司 | Paraxonic formula hybrid welding torch |
| CN115070181A (en) * | 2021-03-16 | 2022-09-20 | 上海梅山钢铁股份有限公司 | Method for improving plasma welding quality |
| CN115070181B (en) * | 2021-03-16 | 2024-01-05 | 上海梅山钢铁股份有限公司 | Method for improving plasma welding quality |
| CN118492586A (en) * | 2024-07-19 | 2024-08-16 | 洛阳伍鑫金属材料科技有限公司 | Plasma arc welding equipment for titanium alloy pipeline |
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Granted publication date: 20080507 |