CN102873434B - High-speed welding device for double-TIG (tungsten inert gas) welding gun thin-wall steel pipe - Google Patents
High-speed welding device for double-TIG (tungsten inert gas) welding gun thin-wall steel pipe Download PDFInfo
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- CN102873434B CN102873434B CN201210398269.0A CN201210398269A CN102873434B CN 102873434 B CN102873434 B CN 102873434B CN 201210398269 A CN201210398269 A CN 201210398269A CN 102873434 B CN102873434 B CN 102873434B
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Abstract
The invention relates to a high-speed welding device for a double-TIG (tungsten inert gas) welding gun thin-wall steel pipe, which comprises two independent welding gun regulation mechanisms, wherein each welding gun regulation mechanism comprises a rotatable sleeve; the rotatable sleeve is formed by the method that the middles of two shell rings are sheathed; one end of the one shell ring is provided with a welding gun sleeve clip; the other shell ring is provided with a vertical shaft which can be rotatably sheathed and connected with the sleeve of a lateral transmission rack; according to opposite rotation of the two shell rings, the rotation of the welding gun in a plane vertical to the welding plane is realized; the rotation of the welding gun in a plane parallel with the welding plane is realized by the opposite rotation of the vertical shaft and the sleeve; the lateral transmission rack is fixedly arranged on a height lateral and bidirectional regulation device; the height lateral and bidirectional regulation device is fixedly arranged on a vertical transmission rack and comprises a lateral sleeve, a lateral position regulation knob, a vertical sleeve and a vertical position regulation knob; one of the vertical transmission racks of the two welding gun regulation mechanisms freely slides on a guide rail parallel with the welding direction; and the other vertical transmission rack is fixed on a guide rail extension cord. The high-speed welding device for the double-TIG welding gun thin-wall steel pipe has the advantages of flexibility in regulation and convenience in use.
Description
Technical field
The present invention relates to a kind of welder, particularly in double T IG High Efficiency Welding Process, welding gun clamps the device with its attitude regulation.
Background technology
Solder technology is the key technology of current steel pipe's production, which determines quality and the efficiency of steel pipe's production, and for thin-walled (wall thickness≤3mm) steel pipe, DC TIG welding is one of its main welding production technology.But it is low to weld self deposition rate by TIG, and the restriction of the shortcomings such as fusion penetration is shallow, current speed of welding has become the bottleneck of thin-wall steel tube output increased.Practical production experience proves simple improve speed of welding can not realize stable high-speed welding by improving welding current, obtains high-quality weld seam, but occurs the forming defects such as undercut, humping weld along with the raising of speed of welding, has a strong impact on weldquality.
Double T IG High Efficiency Welding Process is a kind of new welding process for thin-wall steel tube high-speed welding occurred in recent years.This technique puts two TIG electric arcs by row before and after welding direction, first TIG electric arc (i.e. main arc) guarantee obtains enough fusion penetrations, second TIG electric arc (i.e. assistant electric arc) adopts less electric current to extend molten bath life period, eliminate undercut and humping weld, principal security appearance of weld.Use this welding procedure to increase substantially speed of welding, such as, stainless steel tube speed of welding for wall thickness 1.5mm brings up to 3.2m/min by original 1.33m/min, and obtains good appearance of weld.
But than general T IG weldering, it is more that double T IG welding procedure relates to parameter, and technique is comparatively complicated, and wherein the adjustment of two posture of welding torch (comprising tungsten electrode angle, tungsten electrode distance, tungsten electrode height etc.) is the key obtaining high-quality weld seam with coordinating.A kind of structure of current urgent need is simple, cost of manufacture is low and can realize the device that two posture of welding torch accurately regulate rapidly, and this is to the application of double T IG High Efficiency Welding Process and promote most important.
Summary of the invention
The object of this invention is to provide a kind of double T IG welding gun thin-wall steel tube high-speed welding device, this device can realize the adjustment of two welding gun tungsten electrode angles, tungsten electrode distance, tungsten electrode height and axiality.
The technical scheme that the present invention takes is:
A kind of double T IG welding gun thin-wall steel tube high-speed welding device, comprise two independently welding gun governor motions, each welding gun governor motion comprises rotatable sleeve, rotatable sleeve is socketed to form by the middle of two shell rings, one end of one of them shell ring is provided with welding gun cartridge clip, another shell ring is provided with vertical axis and is connected with the rotatable socket of the sleeve of horizontal driving rack, the relative rotation of two shell rings realizes the rotation of welding gun in the face perpendicular to welding plane, vertical axis and the relative rotation of sleeve realize welding gun being parallel to the rotation in the face of welding plane, horizontal driving rack is fixed on highly horizontal bidirectional adjuster, highly horizontal bidirectional adjuster is fixed on vertical driving rack, highly horizontal bidirectional adjuster comprises transverse sleeves, lateral attitude adjusting knob, vertical sleeve, vertical position adjusting knob, the vertical driving rack one of two welding gun governor motions is free to slide on the guide rail parallel with welding direction, and another is fixing on the extended line of guide rail.
Described welding gun cartridge clip, shell ring junction, transverse sleeves, vertically sleeve are equipped with fastening bolt.
Described shell ring is provided with rotating scale.
The welding gun governor motion of this device two welding guns is separate, can realize the free adjustment of each angle of welding gun and height.In each welding gun governor motion, horizontal direction is horizontal driving rack and lateral attitude adjusting knob, by regulating lateral attitude adjusting knob to regulate the flexible of horizontal driving rack, thus realizing the adjustment of welding gun in weld width direction, position can be completed by fastening bolt and fixing.Vertical axis and the relative rotation of sleeve realize welding gun being parallel to the rotation in the face of welding plane.The shell ring of rotatable sleeve is also carved with angle, the adjustment of the fixing of welding gun and angle can be realized.The adjustment of welding gun height is realized by the adjustment of vertical position adjusting knob on vertical driving rack.For whole device, one of them welding gun governor motion is fixed, and another is arranged on rail plate, can slide along bead direction, so just can realize the adjustment of tungsten electrode distance.Two horizontal driving racks coordinate the adjustment that can also realize axiality simultaneously.
Level tune of the present invention is completed by rack gear, and regulate rapidly accurately, degree of regulation can reach 0.1mm.Angle of welding gun is completed by the axial regulating mechanism of horizontal direction, need not by means of any Angle Measuring Equipment when the angle index be carved with above makes adjustment.Highly regulate and completed by rack gear equally, degree of regulation can reach 0.1mm.Vertical axial regulating mechanism is auxiliary adjustment mechanism, deals with some special welding gun locus by welding gun being parallel to the fine setting in weld seam plane.The advantages such as this device also has structure simply simultaneously, cheap.
Accompanying drawing explanation
Fig. 1 is double T IG High Efficiency Welding Process device front view;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the structure assembly drawing of apparatus of the present invention;
Wherein 1. rotatable sleeves, 2. welding gun cartridge clip, 3. vertical axis, 4. sleeve, 5. horizontal driving rack, 6. vertical driving rack, 7. transverse sleeves, 8. lateral attitude adjusting knob, 9. vertical sleeve, 10. vertical position adjusting knob, 11. fastening bolts, 12. guide rails.
Detailed description of the invention
Further illustrate below in conjunction with detailed description of the invention.
A kind of double T IG welding gun thin-wall steel tube high-speed welding device, comprise two independently welding gun governor motions, each welding gun governor motion comprises rotatable sleeve 1, rotatable sleeve 1 is socketed to form by the middle of two shell rings, one end of one of them shell ring is provided with welding gun cartridge clip 2, another shell ring is provided with vertical axis 3 and is connected with the rotatable socket of sleeve of horizontal driving rack 5, the relative rotation of two shell rings realizes the rotation of welding gun in the face perpendicular to welding plane, vertical axis 3 and the relative rotation of sleeve 4 realize welding gun being parallel to the rotation in the face of welding plane, horizontal driving rack 5 is fixed on highly horizontal bidirectional adjuster, highly horizontal bidirectional adjuster is fixed on vertical driving rack 6, highly horizontal bidirectional adjuster comprises transverse sleeves 7, lateral attitude adjusting knob 8, vertical sleeve 9, vertical position adjusting knob 10, the vertical driving rack 6 one of two welding gun governor motions is free to slide on the guide rail 12 parallel with welding direction, and another is fixing on the extended line of guide rail 12.
Described welding gun cartridge clip 2, shell ring junction, transverse sleeves 7, vertically sleeve 9 are equipped with fastening bolt 11.
Be the use that example illustrates double T IG High Efficiency Welding Process device with the production of Φ 32 × 1.5mm409L ferrite stainless steel pipe.
For Φ 32 × 1.5mm409L ferrite stainless steel pipe, technological parameter best is at present speed of welding 3.2m/min, principal current 240A, auxiliary current 160A, the first tungsten electrode angle 80 °, the second tungsten electrode angle 65 °, tungsten electrode spacing 21mm, the first tungsten electrode height 1.2mm, the second tungsten electrode height 2.5mm.Under this technological parameter, the concrete regulating step of double T IG High Efficiency Welding Process device is as follows:
(1) by the rotatable sleeve of rotation two welding gun governor motions, main welding gun is adjusted to 80 °, auxiliary welding gun is adjusted to 65 °, uses fastening bolt by angle locking;
(2) rotate vertical position adjustments knob, the first tungsten electrode height is adjusted to 1.2mm, the second tungsten electrode height is adjusted to 2.5mm, use fastening bolt highly to lock;
(3) rotate lateral attitude adjusting knob two welding guns are all adjusted to directly over weld seam, use fastening bolt horizontal direction to be locked;
(4) welding gun governor motion that wherein can be movable is slided along sliding tray, tungsten electrode spacing be adjusted to 21mm and fix.
Claims (1)
1. a double T IG welding gun thin-wall steel tube high-speed welding device, it is characterized in that, comprise two independently welding gun governor motions, each welding gun governor motion comprises rotatable sleeve, rotatable sleeve is socketed to form by the middle of two shell rings, one end of one of them shell ring is provided with welding gun cartridge clip, another shell ring is provided with vertical axis and is connected with the rotatable socket of the sleeve of horizontal driving rack, the relative rotation of two shell rings realizes the rotation of welding gun in the face perpendicular to welding plane, vertical axis and the relative rotation of sleeve realize welding gun being parallel to the rotation in the face of welding plane, horizontal driving rack is fixed on highly horizontal bidirectional adjuster, highly horizontal bidirectional adjuster is fixed on vertical driving rack, highly horizontal bidirectional adjuster comprises transverse sleeves, lateral attitude adjusting knob, vertical sleeve, vertical position adjusting knob, the vertical driving rack one of two welding gun governor motions is free to slide on the guide rail parallel with welding direction, and another is fixing on the extended line of guide rail, described shell ring is provided with rotating scale, described welding gun cartridge clip, shell ring junction, transverse sleeves, vertically sleeve are equipped with fastening bolt.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210398269.0A CN102873434B (en) | 2012-10-18 | 2012-10-18 | High-speed welding device for double-TIG (tungsten inert gas) welding gun thin-wall steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210398269.0A CN102873434B (en) | 2012-10-18 | 2012-10-18 | High-speed welding device for double-TIG (tungsten inert gas) welding gun thin-wall steel pipe |
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| CN102873434A CN102873434A (en) | 2013-01-16 |
| CN102873434B true CN102873434B (en) | 2015-04-15 |
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| CN103273177B (en) * | 2013-06-05 | 2015-10-28 | 天津大学 | A kind of double T IG welding system for slab part and welding method thereof |
| CN104708179B (en) * | 2013-06-05 | 2016-09-14 | 天津大学 | The application in implementing thick plates of double TIG weld methods |
| KR101495791B1 (en) * | 2014-04-22 | 2015-02-26 | 김학건 | Junction buoy for aquaculture and the side of the body welding apparatus and method |
| KR101501694B1 (en) * | 2014-04-22 | 2015-03-17 | 김학건 | Junction buoy for aquaculture and how the body welding machine |
| CN105215517B (en) * | 2015-10-08 | 2018-12-04 | 艾洛益(杭州)材料科技有限公司 | Double welding gun device is protected for the matched non-melt pole argon gas of metal pipe material molding machine |
| CN105397249B (en) * | 2015-12-18 | 2018-05-15 | 山东大学 | A kind of double DC pulse composite arc welding methods of low_input_power of thin metallic tubd |
| CN112719518B (en) * | 2020-12-25 | 2022-05-13 | 中国核工业第五建设有限公司 | Rail-mounted double-head cooperative welding method |
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| DE2941764A1 (en) * | 1978-12-01 | 1980-06-12 | Thaelmann Schwermaschbau Veb | Protective gas shield for multielectrode welding burner - where streams of gas prevent air entering gas nozzle, esp. when mfg. longitudinally seam welded tube |
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| CN201735946U (en) * | 2010-05-24 | 2011-02-09 | 朱祝尚 | Three-head cutting torch of numerically controlled cutting machine |
| CN202861599U (en) * | 2012-10-18 | 2013-04-10 | 山东大学 | High-speed welding device for thin-wall steel tube with double TIG welding guns |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH1110332A (en) * | 1997-06-18 | 1999-01-19 | Mitsui Eng & Shipbuild Co Ltd | Welding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3271557A (en) * | 1965-01-06 | 1966-09-06 | Resistance Welder Corp | Over and under tig arc welding machines |
| DE2941764A1 (en) * | 1978-12-01 | 1980-06-12 | Thaelmann Schwermaschbau Veb | Protective gas shield for multielectrode welding burner - where streams of gas prevent air entering gas nozzle, esp. when mfg. longitudinally seam welded tube |
| CN201055939Y (en) * | 2007-06-07 | 2008-05-07 | 昆山华恒工程技术中心有限公司 | Combined welding set of plasma welding and tungsten electrode argon arc welding |
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| CN202861599U (en) * | 2012-10-18 | 2013-04-10 | 山东大学 | High-speed welding device for thin-wall steel tube with double TIG welding guns |
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