CN207695828U - A kind of double tungsten electrode arc coupling TIG weldering devices - Google Patents
A kind of double tungsten electrode arc coupling TIG weldering devices Download PDFInfo
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- CN207695828U CN207695828U CN201720846612.1U CN201720846612U CN207695828U CN 207695828 U CN207695828 U CN 207695828U CN 201720846612 U CN201720846612 U CN 201720846612U CN 207695828 U CN207695828 U CN 207695828U
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Abstract
The utility model is related to a kind of double tungsten electrode arcs to couple TIG weldering devices, and technical solution is that double tungsten electrode welding guns of mutually insulated are equipped with two independent tig arc welding machines, gas shield and water cooling plant.Change tungsten electrode shape, inclination angle, height, spacing, regulate and control bias current, select concurrently or sequentially pattern and selectively prepare coupled arc pattern, the pressure distribution of electric arc can be improved, changes the Density Distribution of electric current and the heat source distribution of workpiece.Double tungsten electrode arc coupling TIG welding guns are suitable for improving weldering speed and high current welding, especially for the welding application of highly heat-conductive material.In metallic copper tubulation field, metal copper plate, copper strips are positioned via series circle forming roller or mold tubulation and through partition, and welding wheel butt seam forms welding after perfect weld seam.TIG weld is coupled using double tungsten electrode arcs, the penetration and stability of welding can be improved, promotes welding efficiency.
Description
Technical field：
The utility model belongs to metal welding field, more particularly to a kind of double tungsten electrode arcs couple TIG weldering devices.
Background technology：
Sheet metal, tubing are widely used to the various aspects of human lives and industrial circle.With thin-wall metal band
The welding that high-quality is required in the production technology of continuous copper pipe is especially prepared using copper strips as raw material, that is to say, that, it is desirable that weldering
It is good to connect stability, welding is fine and close, and face of weld quality and mechanical property are good.
Argon tungsten-arc welding (TIG welderings) is a kind of high quality but a kind of less efficient welding manner, its main feature is that stablize
Welding process and outstanding welding quality are suitable for precision welding and high-quality welding, can obtain high cleanliness ultralow-hydrogen low
Quality weld.But the heat input of tungsten electrode TIG welderings is small, and speed of welding is slow.Electric arc burns between electrode and workpiece, in welding electricity
It is flowed through around arc and does not form protection gas hood with the argon gas of metal chemically reactive, made electrode tip, electric arc and molten bath and be in
Metal under high temperature is not contacted with air.Welding arc is high current, the continuous discharge phenomenon of low-voltage, by discharging electric energy
Be converted to the fusing required thermal energy of workpiece.These characteristics of TIG welderings are less than other welding methods, but for thin-walled gold
Belong to pipe especially copper tube to weld, is welded the shortcomings of itself deposition rate is low, and fusion penetration is shallow and limited by TIG, speed of welding is low.It is simple logical
It is difficult the weld seam for obtaining high quality to cross and improve welding current to promote speed of welding then, it may appear that the welderings such as lack of penetration, undercut, hump
Connect defect.
Double tungsten electrode arcs coupling argon arc weldings (Dual-TIG welderings) have its unique single rifle pair tungsten electrode structure, electric arc be by
Two electric arcs are coupled to form rather than the simple superposition of two TIG electric arcs, are a kind of welding heat sources newly developed.Coupled arc shape
Looks are distributed departing from axial symmetry, and two tungsten electrode electric currents of adjustment can make coupled arc deflect.Under small tungsten electrode spacing, coupling
Electric arc heat source is nearly oval fractions distribution.When using double tungsten electrode parallel schema high-speed weldings, bath surface is stablized, undercut and hump
Defect, which is reduced, even to disappear.
Utility model content：
Current limited system when the utility model is for single tig arc welding machine high-speed welding metal pipe material, especially for leading
The high metal tubulation of hot coefficient provides a kind of welder simple in structure, easy to operate, and high quality, high-precision may be implemented
It is prepared by the continuous metal tubing under degree.
Double tungsten electrode arcs coupling TIG weldering devices (1) of the utility model, it is characterised in that the device is by insulation cover
(10), insulative cap (11), ceramic mouth (12), fastening screw (13), gas protection mechanism one, gas protection mechanism two, cycle
Magnetism servo-electric motor water-cooling one, recirculated water cooling mechanism two, tungsten electrode one (40), tungsten electrode two (41), torch body (50), torch head (51) and insulation
Piece (60) is constituted.
The gas protection mechanism one of double tungsten electrode arcs coupling TIG weldering devices of the utility model is by air inlet one
(20), the protective gas of air inlet pipe one (22) and external tig arc welding machine one is constituted；Protective gas mechanism is second is that by air inlet two
(21), the protective gas of air inlet pipe two (23) and external tig arc welding machine two is constituted；Recirculated water cooling mechanism one is by water inlet one
(30), the water of water outlet one (32), water inlet pipe one (34), outlet pipe one (38), water tank one (36) and external tig arc welding machine one
Cold structure is constituted；Recirculated water cooling mechanism is second is that by water inlet two (31), water outlet two (33), water inlet pipe two (35), outlet pipe two
(39), the magnetism servo-electric motor water-cooling of water tank two (37) and external tig arc welding machine two is constituted.
Double tungsten electrodes in specific application, can be provided parallel to by double tungsten electrode arcs coupling TIG welding guns of the utility model
Or perpendicular to bead direction, i.e. two kinds of application models of serial or parallel.Double tungsten electrode arcs coupling TIG welding guns of the utility model exist
In concrete application, bias current, tungsten electrode one (40) and tungsten electrode can also be regulated and controled by changing tungsten electrode shape, inclination angle, height, spacing
It is isolated by mica-sheet insulation between two (41), selects double tungsten electrodes concurrently or sequentially pattern, configure different coupled arc patterns.
The heat source of double tungsten electrode arcs coupling formed coupled arc of TIG welding guns of the utility model is distributed as elliptical shape,
Current distribution is that exponential decay is relatively slow, and arc pressure reduces.
Double tungsten electrode arcs of the utility model couple TIG welding guns compared with single tungsten electrode TIG welding guns, when welding thermal coefficient is high
Metal forming pipe when, single tungsten electrode TIG welding guns are limited by speed of welding and welding current and can not form deep enough molten bath and cause
Prevent electric arc that can not only be burnt if by being promoted if welding current solves these problems by equipment limit from the melt-through weld back side
Tungsten electrode is damaged, causes weld seam tungsten inclusion, and can be the defects of face of weld causes a large amount of weld seam pit, undercut and overlap, and weld
Seam surface is irregular, and forming is poor, has seriously affected welding quality.Double tungsten electrode arcs coupling TIG welding guns dress of the utility model
The defects of may be implemented to promote speed of welding, reduce welding current, avoid the formation of pit, undercut and overlap is set, is realized good
Appearance of weld improves welding stability and penetration, promotes welding efficiency.
Description of the drawings:
The utility model is further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the circulating water mechanism 1 of double tungsten electrode arcs coupling TIG weldering devices of the utility model in certain viewing angle
Right side sectional view under degree.
Fig. 2 is the front section view of the double tungsten electrode arc coupling TIG weldering devices of the utility model.
Fig. 3 is the protective gas mechanism of the double tungsten electrode arc coupling TIG weldering devices of the utility model in certain viewing angle
Under left side sectional view.
Fig. 4 is the front elevation of the double tungsten electrode arc coupling TIG weldering devices of the utility model.
Fig. 5 is the vertical view of the double tungsten electrode arc coupling TIG weldering devices of the utility model.
Specific implementation mode：
Said program is described further with reference to the accompanying drawings and embodiments.It is to use to be interpreted as these embodiments herein
Limitation the scope of the utility model is not limited in illustrating the utility model.The implementation condition used in embodiment can be according to tool
Body is tested or the working condition of production does further adjustment, and the implementation condition being not specified is usually normal condition.
Embodiment：The utility model double tungsten electrode arcs coupling TIG weldering devices (1) a specific embodiment be：It should
Device is by insulation cover (10), insulative cap (11), ceramic mouth (12), fastening screw (13), gas protection mechanism one, gas
Protection mechanism two, recirculated water cooling mechanism one, recirculated water cooling mechanism two, tungsten electrode one (40), tungsten electrode two (41), torch body (50),
Torch head (51) and insulating trip (60) are constituted.Wherein, gas protection mechanism one be by air inlet one (20), air inlet pipe one (22) and
The protective gas of external tig arc welding machine one is constituted；Protective gas mechanism is second is that by air inlet two (21), air inlet pipe two (23) and outer
The protective gas of portion's tig arc welding machine two is constituted；Magnetism servo-electric motor water-cooling one is by water inlet one (30), water outlet one (32), water inlet pipe one
(34), the magnetism servo-electric motor water-cooling of outlet pipe one (38), water tank one (36) and external tig arc welding machine one is constituted；Magnetism servo-electric motor water-cooling second is that by
Water inlet two (31), water outlet two (33), water inlet pipe two (35), outlet pipe two (39), water tank two (37) and outside TIG welderings
The magnetism servo-electric motor water-cooling of machine two is constituted.
One specific embodiment of double tungsten electrode arcs coupling TIG weldering devices (1) of the utility model is tungsten electrode one (40),
Gas protection mechanism one, magnetism servo-electric motor water-cooling one and external tig arc welding machine one constitute auxiliary welding machine structure one, tungsten electrode two (41), and gas is protected
Mechanism two is protected, magnetism servo-electric motor water-cooling two and external tig arc welding machine two constitute auxiliary welding machine structure two.
Insulative cap (11) is with torch body (50) by coarse groove screw screw thread fit sealing, and insulation cover is by fastening spiral shell
Silk and insulative cap fit sealing, ensure that the safety in utilization of welding gun.Between two root bead needles by the insulating materials such as mica sheet every
From.
The shell of double tungsten electrode arc coupling TIG weldering devices is by insulative cap (11), insulation cover (10) and ceramic mouth
(12) it forms, meets the requirement of insulation safety.
Double tungsten electrodes in specific application, can be provided parallel to by double tungsten electrode arcs coupling TIG welding guns of the utility model
Or perpendicular to bead direction, i.e. two kinds of application models of serial or parallel.Further, it is also possible to by change tungsten electrode shape, inclination angle,
Away from regulation and control bias current selects double tungsten electrodes concurrently or sequentially pattern, configures different coupled arc patterns.It is symmetrical electric when applying
When stream, coupled arc is symmetric, and the change gradient that increasing tungsten electrode spacing will appear electric arc cross-sectional area becomes smaller, and when application
When asymmetrical bias current, electric arc can be biased to the side of low current by the side of high current, this shows double tungsten electrode coupled arcs
It is the simple superposition for being different from two single tungsten electrode arcs, there is the characteristics of arc pressure is less than single tungsten electrode arc voltage, it is asymmetric ellipse
Round coupled arc current density and heat source distribution are conducive to concentrate welding energy and reduce weld pool width.
Double tungsten electrode arcs of the utility model couple TIG weldering devices compared with single tungsten electrode TIG welding guns, in small tungsten electrode spacing
Under, the heat source of double formed coupled arcs of tungsten electrode TIG welding guns is distributed as elliptical shape, and current distribution is that exponential decay is relatively slow
Slowly, arc pressure reduces.Thus, double tungsten electrode arcs coupling TIG weldering devices of the utility model may be implemented to promote welding speed
The defects of degree reduces welding current, avoids the formation of pit, undercut and overlap realizes good appearance of weld, improves welding and stablizes
Property and penetration, promoted welding efficiency.
For examples detailed above only for illustrating the technical concepts and features of the utility model, it is former that its object is to this technologies known to allowing
The personage of reason can fully understand the utility model content and implement according to this, and the protection model of the utility model cannot be limited with this
It encloses.Claim described in the utility model and described in the utility model can be used for many other purposes, and therefore, this practicality is new
Type, which is not limited to the field and purposes, will be suitable for other fields and purposes.It is all according to the spirit of the present invention essence institute
Equivalent transformation, decoration or the modification made, should be covered within the scope of the utility model.
Claims (2)
1. a kind of double tungsten electrode arc coupling TIG weldering devices (1), it is characterised in that the device is by insulation cover (10), insulation
It covers (11), ceramic mouth (12), fastening screw (13), gas protection mechanism one, gas protection mechanism two, recirculated water cooling mechanism
One, recirculated water cooling mechanism two, tungsten electrode one (40), tungsten electrode two (41), torch body (50), torch head (51) and insulating trip (60) group
At, wherein：
A, gas protection mechanism one is by the protective gas structure of air inlet one (20), air inlet pipe one (22) and external tig arc welding machine one
At；
B, gas protection mechanism is second is that by air inlet two (21), the protective gas of air inlet pipe two (23) and external tig arc welding machine two
It constitutes；
C, recirculated water cooling mechanism one be by water inlet one (30), water outlet one (32), water inlet pipe one (34), outlet pipe one (38),
The magnetism servo-electric motor water-cooling of water tank one (36) and external tig arc welding machine one is constituted；
D, recirculated water cooling mechanism is second is that by water inlet two (31), water outlet two (33), water inlet pipe two (35), outlet pipe two (39),
The magnetism servo-electric motor water-cooling of water tank two (37) and external tig arc welding machine two is constituted；
E, for insulative cap (11) with torch body (50) by coarse groove screw screw thread fit sealing, insulation cover (10) passes through fastening
Screw (13) and insulative cap (11) fit sealing；
F, it is isolated by mica-sheet insulation between tungsten electrode one (40) and tungsten electrode two (41)；
G, the shell of weldering device (1) is by insulative cap (11), and insulation cover (10) and ceramic mouth (12) form.
2. a kind of double tungsten electrode arc coupling TIG weldering devices (1) according to claim 1, it is characterized in that double tungsten electrodes may be configured as
Parallel or perpendicular to bead direction, i.e. two kinds of application models of serial or parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720846612.1U CN207695828U (en) | 2017-07-13 | 2017-07-13 | A kind of double tungsten electrode arc coupling TIG weldering devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720846612.1U CN207695828U (en) | 2017-07-13 | 2017-07-13 | A kind of double tungsten electrode arc coupling TIG weldering devices |
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| CN207695828U true CN207695828U (en) | 2018-08-07 |
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| CN201720846612.1U Active CN207695828U (en) | 2017-07-13 | 2017-07-13 | A kind of double tungsten electrode arc coupling TIG weldering devices |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243688A (en) * | 2017-07-13 | 2017-10-13 | 艾洛益(杭州)材料科技有限公司 | A kind of pair of tungsten electrode arc couples TIG weldering devices |
| CN113290303A (en) * | 2021-05-06 | 2021-08-24 | 华南理工大学 | Arc pressure measuring device and method for lockhole effect deep melting TIG welding |
-
2017
- 2017-07-13 CN CN201720846612.1U patent/CN207695828U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243688A (en) * | 2017-07-13 | 2017-10-13 | 艾洛益(杭州)材料科技有限公司 | A kind of pair of tungsten electrode arc couples TIG weldering devices |
| CN113290303A (en) * | 2021-05-06 | 2021-08-24 | 华南理工大学 | Arc pressure measuring device and method for lockhole effect deep melting TIG welding |
| CN113290303B (en) * | 2021-05-06 | 2022-05-24 | 华南理工大学 | Arc pressure measuring device and method for lockhole effect deep melting TIG welding |
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