CN102430846A - Bent conducting nozzle type twin-wire narrow-gap MIG/MAG (metal inert gas/metal active gas) welding torch - Google Patents
Bent conducting nozzle type twin-wire narrow-gap MIG/MAG (metal inert gas/metal active gas) welding torch Download PDFInfo
- Publication number
- CN102430846A CN102430846A CN2011103379247A CN201110337924A CN102430846A CN 102430846 A CN102430846 A CN 102430846A CN 2011103379247 A CN2011103379247 A CN 2011103379247A CN 201110337924 A CN201110337924 A CN 201110337924A CN 102430846 A CN102430846 A CN 102430846A
- Authority
- CN
- China
- Prior art keywords
- welding
- crooked
- welding torch
- ignition tip
- type connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Arc Welding In General (AREA)
Abstract
The invention aims to provide a bent conducting nozzle type twin-wire narrow-gap MIG/MAG (metal inert gas/metal active gas) welding torch, which comprises a welding torch joint, a welding torch box and a three-channel plug-in narrow-gap shielding gas nozzle. The welding torch joint is connected with the welding torch box, the welding torch box is connected with the three-channel plug-in narrow-gap shielding gas nozzle and comprises a guide rail, a slider, a lead screw, a T-shaped connecting part, an L-shaped connecting part, a conducting rod and a bent conducting nozzle, the lead screw is connected with the slider, the slider is connected with the T-shaped connecting part, the T-shaped connecting part is connected with the L-shaped connecting part, and the L-shaped connecting part is connected with the conducting rod and the bent conducting nozzle. The welding torch is simple in design, compact in structure and stable and reliable in performance, both the distance and the included angle between twin wires can be adjusted according to practical production, the problem of incomplete fusion of lateral walls during narrow-gap welding can be solved effectively by the aid of the bent conducting nozzle, workpieces with large plate thicknesses can be welded, and welding efficiency is high. The welding torch has the advantages of narrow-gap welding and twin-wire welding.
Description
(1) technical field
The present invention relates to solder technology, is exactly the narrow gap of a kind of crooked ignition tip formula mariages MIG/MAG welding torch specifically.
(2) background technology
In recent years, along with the continuous development of industrial technology, Welding Structure trends towards maximizing, so the application of slab more and more widely, and Welding on Properties of Welding Joint requires also increasingly high.When utilizing traditional welding method that slab is welded, because the groove size is bigger, required metal filled amount enlarges markedly; Cause high material consumption; The heat input increases, and finally causes welding stress and welding deformation to increase the mechanical properties decrease of welding point; Simultaneously also increased the welding job amount, the production cycle of the workpiece that extended.Compare with traditional welding method, the narrow gap welding connection technology has clear superiority when carrying out thick plates.Narrow gap welding connects and can make long-pending a large amount of minimizing of seam cross-section; Practice thrift a large amount of welding materials; Significantly improve welding production efficiency, reduce welding residual deformation and welding residual stress, higher molten bath cooling velocity and lower heat input make seam organization tiny relatively; Add that the moulding of welding heat affected zone, toughness damage reduce, and significantly improve the notch toughness of joint.In view of the foregoing, the narrow gap welding connection technology has become the one preferred technique that modern industry is produced the welding of cut deal structure.Say on the stricti jurise that the narrow gap welding connection technology is not a kind of new welding method, it is on the basis of existing welding method, improves through some, makes these welding methods can under the situation of narrow gap groove, weld and obtain satisfactory welding point.Therefore the characteristic of traditional welding method can obtain embodying to a certain extent in the narrow gap welding connection technology, and is determining technical characteristic, economic performance, application characteristic and the reliability that narrow gap welding connects largely.In the traditional welding field, the GMAW method is one of most widely used welding method, and it has many characteristics extremely to help the narrow gap welding connection technology.Compare with other welding method, GMAW heat input adjustable range is wide, metallurgical process simple, be suitable for advantages such as downhand welding horizontal position welding and all-position welding, takes all factors into consideration, and narrow clearance G MAW method is suitable for actual welding production most.Key difficult problem of narrow clearance G MAW is to guarantee sidewall fusion, has proposed several different methods both at home and abroad around this difficult problem, mainly contains big electric current or the methods such as pulse current, electric arc swing, electric arc rotation, mariages or multifibres utilized.
(3) summary of the invention
The object of the present invention is to provide the narrow gap of a kind of crooked ignition tip formula mariages MIG/MAG welding torch.
The objective of the invention is to realize like this: it is made up of the narrow gap protection gas jets of welding torch joint, welding gun casing and triple channel plug-in type, and welding torch joint connects the welding gun casing, and the welding gun casing connects the narrow gap protection gas jets of triple channel plug-in type.
The present invention also has following technical characterictic:
(1) described welding gun casing comprises guide rail, slide block, leading screw, T type connector, L type connector, conducting rod and crooked ignition tip; Leading screw adopts positive and negative two external threadings to link to each other through screw thread with slide block; Can be that the parallel of slide block moved with the transmission that rotatablely moves, guide rail be fixed on the welding gun casing, and but slide block can slide on direction of guide rail can not go here and there up and down; L type connector couples together conducting rod and slide block; Distance before and after regulating if desired between the welding wire only need be at welding gun casing inner rotary leading screw, thereby leading screw rotating band movable slider moves the distance that changes between the crooked ignition tip; Utilize screw to be fixed between T type connector and the L type connector, but as when need changing between the two crooked ignition tips angle, screw thread unscrewed to wait to regulate tightens fixing getting final product after finishing; Crooked ignition tip is installed on the conducting rod, and crooked ignition tip points to sidewall both sides, narrow gap respectively, and welding wire points to the groove both sides respectively through crooked ignition tip; Make electric arc directly to heat by oppose side wall, thereby increase the sidewall fusion penetration, the sidewall incomplete fusion problem during solution narrow gap welding connects; Slide block is provided with two, is processed as left-handed and right-handed thread in the central area respectively, and engages with leading screw; Slide block is embedded in the guide rail, and can be along guide rail movement, and the leading screw two ends are processed as left-handed and right-handed thread and match with two slide blocks; Leading screw passes wall box through sealed bearing, and leading screw passes sidewall sections and is used for manual rotation, and T type connector is fixed on the slide block through two-screw; The other end engages with L type connector, and is insulated from each other between T type connector and slide block, and L type connector one of which end engages with T type connector; Be processed as through hole on the other end, through hole matches with conducting rod, and the front of through hole is processed with screwed hole and is used to lock conducting rod and makes it to confirm that crooked ignition tip points to; Conducting rod passes from the through hole of L type connector, and its upper end external diameter is greater than through-hole diameter, and the screw on the conducting rod via through holes is fixed; Its lower end is used to install crooked ignition tip, and its angle of bend of crooked ignition tip is the 5-10 degree, and bending radius is 14mm.
(2) the narrow gap protection gas jets of described triple channel plug-in type upper end combines with the welding gun casing; Cooling water gets into the cooling water circulation canal and is used for the nozzle cooling from the cooling water inlet; The front and back passage is processed by two copper pipes; And link to each other with nozzle body through screw thread, top will protect gas to send into from protection gas inlet passage after protecting gas through quick connector, like this can conveniently replaced front and back passage and adjust channel angle; Throughput that also can independent regulation two passages, thus reach the excellent protection effect.
(3) described welding torch joint matches with the double wire welding power supply; Wire-feeding pipe gets into the welding gun casing with protection gas through this joint; Welding torch joint is made up of two welding gun terminals and insulation layer, and two welding gun terminals are connected with two sources of welding current respectively, and are insulated from each other between two terminals.
The narrow gap of the crooked ignition tip formula mariages of the present invention MIG/MAG welding torch; Simplicity of design, compact conformation, stable and reliable for performance; Distance between the mariages and angle all can be adjusted according to actual production; Adopt crooked ignition tip can effectively solve the sidewall incomplete fusion problem of narrow gap welding in connecing, can the big workpiece of welded plate thickness, welding production efficiency is high.The present invention has narrow gap welding and connects the double dominant with Double Wire Welding.
(4) description of drawings
Fig. 1 is a structure chart of the present invention;
Fig. 2 is the narrow gap protection gas jets of a triple channel plug-in type of the present invention structural representation.
(5) specific embodiment
For example the present invention is described further below in conjunction with accompanying drawing.
Embodiment 1: combine Fig. 1, Fig. 2; The narrow gap of a kind of crooked ignition tip formula mariages of the present invention MIG/MAG welding torch; It is made up of welding torch joint (1), welding gun casing (2) and the narrow gap protection gas jets of triple channel plug-in type (3); Welding torch joint (1) connects welding gun casing (2), and welding gun casing (2) connects the triple channel narrow gap protection gas jets of plug-in type (3).
The present invention also has following technical characterictic:
Described welding gun casing (2) comprises guide rail (8), slide block (13), leading screw (5), T type connector (6), L type connector (7), conducting rod (12) and crooked ignition tip (4); Leading screw (5) adopts positive and negative two external threadings to link to each other through screw thread with slide block (13); Can be that the parallel of slide block moved with the transmission that rotatablely moves; Guide rail (8) is fixed on the welding gun casing (2); But slide block (13) can slide on direction of guide rail can not go here and there up and down, and L type connector (7) couples together conducting rod (12) and slide block (8), the distance before and after regulating if desired between the welding wire; Only need be at welding gun casing (2) inner rotary leading screw (5), leading screw (5) thus the rotating band movable slider moves the distance that changes between the crooked ignition tip (4); Utilize screw to be fixed between T type connector (6) and the L type connector (7), but as when need changing between the two crooked ignition tips angle, screw thread unscrewed to wait to regulate tightens fixing getting final product after finishing; Crooked ignition tip (4) is installed on the conducting rod (12), and crooked ignition tip points to sidewall both sides, narrow gap respectively, and welding wire points to the groove both sides respectively through crooked ignition tip; Make electric arc directly to heat by oppose side wall, thereby increase the sidewall fusion penetration, the sidewall incomplete fusion problem during solution narrow gap welding connects; Slide block is provided with two, is processed as left-handed and right-handed thread in the central area respectively, and engages with leading screw; Slide block is embedded in the guide rail, and can be along guide rail movement, and the leading screw two ends are processed as left-handed and right-handed thread and match with two slide blocks; Leading screw passes wall box through sealed bearing, and leading screw passes sidewall sections and is used for manual rotation, and T type connector is fixed on the slide block through two-screw; The other end engages with L type connector, and is insulated from each other between T type connector and slide block, and L type connector one of which end engages with T type connector; Be processed as through hole on the other end, through hole matches with conducting rod, and the front of through hole is processed with screwed hole and is used to lock conducting rod and makes it to confirm that crooked ignition tip points to; Conducting rod passes from the through hole of L type connector, and its upper end external diameter is greater than through-hole diameter, and the screw on the conducting rod via through holes is fixed; Its lower end is used to install crooked ignition tip, and its angle of bend of crooked ignition tip is the 5-10 degree, and bending radius is 14mm.
The narrow gap protection gas jets of described triple channel plug-in type (3) upper end combines with welding gun casing (2); (10) entering cooling water circulation canal is used for the nozzle cooling to cooling water from the cooling water inlet; The front and back passage is processed by two copper pipes; And link to each other with nozzle body through screw thread, top will protect gas to send into from protection gas inlet (9) passage (11) after protecting gas through quick connector, like this can conveniently replaced front and back passage and adjust channel angle; Throughput that also can independent regulation two passages, thus reach the excellent protection effect.
Described welding torch joint (1) matches with the double wire welding power supply; Wire-feeding pipe gets into the welding gun casing with protection gas through this joint; Welding torch joint is made up of two welding gun terminals and insulation layer, and two welding gun terminals are connected with two sources of welding current respectively, and are insulated from each other between two terminals.
Embodiment 2: combine Fig. 1, Fig. 2; Workflow of the present invention: two wire-feeding pipes are sent into respectively in two conducting rods after in terminals get into the welding gun casing, protect gas to get into the welding torch casing via the protection gas inlet of terminals simultaneously and behind the main channel of protection gas jets, welding region are protected.Two crooked ignition tips are installed in respectively on two conducting rods; And the adjustment conducting rod make two crooked ignition tips point to groove two side, narrow gap respectively, utilize screw that conducting rod is fixed then, two welding wires stretch out from two crooked ignition tips through wire-feeding pipe; There is the angle of 5-10 degree two welding wires that stretch out and groove two side, narrow gap; Can guarantee that like this electric arc burns near sidewall, increase the sidewall fusion penetration, solve the sidewall incomplete fusion defective in the narrow gap welding termination process.In order to adapt to the different processes requirement; Need distance and angle between the adjustment welding wire, rotating threaded shaft, two slide blocks that match with leading screw be motion in the opposite direction respectively; Thereby make and do relative motion through two conducting rods that connector links to each other with slide block; And then the spacing between the adjustment mariages, mariages spacing adjustable range is 5-45mm, can carry out the welding of congruent melting pond and off-eutectic pond.And after the screw between L type connector and the T type connector unscrewed, can adjust the angle between the mariages, afterwards screw tightening is got final product.The narrow gap protection gas jets of triple channel plug-in type upper end combines with the welding torch casing, and has the cooling water circulation canal on top and be used for nozzle and cool off, and the front and back passage is processed by two copper pipes; And link to each other with nozzle body through screw thread; The protection gas of main channel is got into by casing, and the front and back passage will protect pneumatic transmission to go into through quick connector, like this can conveniently replaced front and back passage and the adjustment channel angle; Throughput that also can independent regulation two passages, thus reach the excellent protection effect.
Claims (4)
1. the narrow gap of crooked ignition tip formula mariages MIG/MAG welding torch; It is made up of welding torch joint (1), welding gun casing (2) and the narrow gap protection gas jets of triple channel plug-in type (3); It is characterized in that: welding torch joint (1) connects welding gun casing (2), and welding gun casing (2) connects the triple channel narrow gap protection gas jets of plug-in type (3).
2. the narrow gap of a kind of crooked ignition tip formula mariages according to claim 1 MIG/MAG welding torch; It is characterized in that: described welding gun casing (2) comprises guide rail (8), slide block (13), leading screw (5), T type connector (6), L type connector (7), conducting rod (12) and crooked ignition tip (4); Leading screw (5) adopts positive and negative two external threadings to link to each other through screw thread with slide block (13); Can be that the parallel of slide block moved with the transmission that rotatablely moves, guide rail (8) be fixed on the welding gun casing (2), and but slide block (13) can slide on direction of guide rail can not go here and there up and down; L type connector (7) couples together conducting rod (12) and slide block (8); Distance before and after regulating if desired between the welding wire only need be at welding gun casing (2) inner rotary leading screw (5), leading screw (5) thus the rotating band movable slider moves the distance that changes between the crooked ignition tip (4); Utilize screw to be fixed between T type connector (6) and the L type connector (7), but as when need changing between the two crooked ignition tips angle, screw thread unscrewed to wait to regulate tightens fixing getting final product after finishing; Crooked ignition tip (4) is installed on the conducting rod (12), and crooked ignition tip points to sidewall both sides, narrow gap respectively, and welding wire points to the groove both sides respectively through crooked ignition tip; Make electric arc directly to heat by oppose side wall, thereby increase the sidewall fusion penetration, the sidewall incomplete fusion problem during solution narrow gap welding connects; Slide block is provided with two, is processed as left-handed and right-handed thread in the central area respectively, and engages with leading screw; Slide block is embedded in the guide rail, and can be along guide rail movement, and the leading screw two ends are processed as left-handed and right-handed thread and match with two slide blocks; Leading screw passes wall box through sealed bearing, and leading screw passes sidewall sections and is used for manual rotation, and T type connector is fixed on the slide block through two-screw; The other end engages with L type connector, and is insulated from each other between T type connector and slide block, and L type connector one of which end engages with T type connector; Be processed as through hole on the other end, through hole matches with conducting rod, and the front of through hole is processed with screwed hole and is used to lock conducting rod and makes it to confirm that crooked ignition tip points to; Conducting rod passes from the through hole of L type connector, and its upper end external diameter is greater than through-hole diameter, and the screw on the conducting rod via through holes is fixed; Its lower end is used to install crooked ignition tip, and its angle of bend of crooked ignition tip is the 5-10 degree, and bending radius is 14mm.
3. the narrow gap of a kind of crooked ignition tip formula mariages according to claim 1 MIG/MAG welding torch; It is characterized in that: the narrow gap protection gas jets of described triple channel plug-in type (3) upper end combines with welding gun casing (2); (10) entering cooling water circulation canal is used for the nozzle cooling to cooling water from the cooling water inlet, and the front and back passage is processed by two copper pipes, and links to each other with nozzle body through screw thread; Top will protect gas to send into from protection gas inlet (9) passage (11) behind protection gas through quick connector; Like this can conveniently replaced front and back passage and the adjustment channel angle, throughput that also can independent regulation two passages, thus reach the excellent protection effect.
4. the narrow gap of a kind of crooked ignition tip formula mariages according to claim 1 MIG/MAG welding torch; It is characterized in that: described welding torch joint (1) matches with the double wire welding power supply; Wire-feeding pipe gets into the welding gun casing with protection gas through this joint; Welding torch joint is made up of two welding gun terminals and insulation layer, and two welding gun terminals are connected with two sources of welding current respectively, and are insulated from each other between two terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110337924 CN102430846B (en) | 2011-10-21 | 2011-10-21 | Bent conducting nozzle type twin-wire narrow-gap MIG/MAG (metal inert gas/metal active gas) welding torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110337924 CN102430846B (en) | 2011-10-21 | 2011-10-21 | Bent conducting nozzle type twin-wire narrow-gap MIG/MAG (metal inert gas/metal active gas) welding torch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102430846A true CN102430846A (en) | 2012-05-02 |
| CN102430846B CN102430846B (en) | 2013-05-15 |
Family
ID=45979391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110337924 Expired - Fee Related CN102430846B (en) | 2011-10-21 | 2011-10-21 | Bent conducting nozzle type twin-wire narrow-gap MIG/MAG (metal inert gas/metal active gas) welding torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102430846B (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672319A (en) * | 2012-05-30 | 2012-09-19 | 上海锅炉厂有限公司 | Changeable bevel conducting rod |
| CN102773596A (en) * | 2012-07-23 | 2012-11-14 | 昆山瑞凌焊接科技有限公司 | Narrow gap double-wire welding gun |
| CN103801810A (en) * | 2012-11-15 | 2014-05-21 | 昆山瑞凌焊接科技有限公司 | Efficient double wire welding torch |
| CN104289795A (en) * | 2014-09-22 | 2015-01-21 | 武汉纳瑞格智能设备有限公司 | MAG/MIG automatic welding device and method |
| CN104853875A (en) * | 2012-12-04 | 2015-08-19 | 杰富意钢铁株式会社 | Method for narrow-gap, gas-shielded arc welding |
| CN105414722A (en) * | 2015-12-29 | 2016-03-23 | 哈尔滨工业大学 | External nozzle twin-wire co-pool narrow-gap GMAW torch |
| CN106270968A (en) * | 2016-10-26 | 2017-01-04 | 哈尔滨工业大学 | A kind of external nozzle mariages non-co-molten bath narrow clearance G MAW welding torch |
| CN106475669A (en) * | 2016-11-24 | 2017-03-08 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of tangent bend welding wire narrow clearance melting electrode gas shielded welding torch |
| CN109719373A (en) * | 2019-02-26 | 2019-05-07 | 上海交通大学 | Mariages spacing is adjustable narrow clearance melting electrode gas protective welding gun |
| CN109773359A (en) * | 2019-03-07 | 2019-05-21 | 哈尔滨工业大学（威海） | Plasma-MIG composite welding apparatus for narrow gap welding |
| 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 |
| US10532418B2 (en) | 2017-08-08 | 2020-01-14 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing contact tip and diffuser |
| CN110788447A (en) * | 2019-11-12 | 2020-02-14 | 南京引力工业焊接技术研究院有限公司 | Multi-power-supply parallel multi-wire efficient arc welding device and application thereof |
| CN111014907A (en) * | 2019-11-18 | 2020-04-17 | 申英强 | Narrow-gap filament matrix type welding gun and welding process |
| 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 |
| CN112770860A (en) * | 2018-08-13 | 2021-05-07 | 弗罗纽斯国际有限公司 | A pair of dual nozzle assembly receptacles for a dual wire torch and a dual wire torch having such a pair of dual nozzle assembly receptacles |
| CN113399801A (en) * | 2021-06-10 | 2021-09-17 | 中车青岛四方机车车辆股份有限公司 | Welding device and welding system for inhibiting welding heat cracks |
| US11285557B2 (en) | 2019-02-05 | 2022-03-29 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system |
| CN114951921A (en) * | 2022-06-09 | 2022-08-30 | 斯图加特航空自动化（青岛）有限公司 | Double-wire narrow-gap GMAW (gas metal arc welding) welding device for thick plate of middle groove of scraper conveyor of coal machine |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29716246U1 (en) * | 1997-09-10 | 1998-02-12 | Tbi Ind Gmbh & Co Kg | TIG automatic welding torch |
| WO2001062424A1 (en) * | 2000-02-22 | 2001-08-30 | Esab Ab | Welding torch and arrangement for mig/mag welding |
| CN101200018A (en) * | 2007-12-05 | 2008-06-18 | 哈尔滨工业大学 | Rotating arc narrow gap welding torque |
| WO2010080411A1 (en) * | 2008-12-19 | 2010-07-15 | Praxair Technology, Inc. | Double wire gmaw welding torch assembly and process |
| CN102069279A (en) * | 2009-10-12 | 2011-05-25 | J.雷.麦克德莫特股份有限公司 | Narrow groove GMAW torch |
-
2011
- 2011-10-21 CN CN 201110337924 patent/CN102430846B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29716246U1 (en) * | 1997-09-10 | 1998-02-12 | Tbi Ind Gmbh & Co Kg | TIG automatic welding torch |
| WO2001062424A1 (en) * | 2000-02-22 | 2001-08-30 | Esab Ab | Welding torch and arrangement for mig/mag welding |
| CN101200018A (en) * | 2007-12-05 | 2008-06-18 | 哈尔滨工业大学 | Rotating arc narrow gap welding torque |
| WO2010080411A1 (en) * | 2008-12-19 | 2010-07-15 | Praxair Technology, Inc. | Double wire gmaw welding torch assembly and process |
| CN102069279A (en) * | 2009-10-12 | 2011-05-25 | J.雷.麦克德莫特股份有限公司 | Narrow groove GMAW torch |
Non-Patent Citations (1)
| Title |
|---|
| 张霖: "40mm10CrNi5MoV窄间隙横向MAG焊工艺研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》, 15 May 2011 (2011-05-15) * |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672319A (en) * | 2012-05-30 | 2012-09-19 | 上海锅炉厂有限公司 | Changeable bevel conducting rod |
| CN102773596A (en) * | 2012-07-23 | 2012-11-14 | 昆山瑞凌焊接科技有限公司 | Narrow gap double-wire welding gun |
| CN103801810A (en) * | 2012-11-15 | 2014-05-21 | 昆山瑞凌焊接科技有限公司 | Efficient double wire welding torch |
| CN104853875A (en) * | 2012-12-04 | 2015-08-19 | 杰富意钢铁株式会社 | Method for narrow-gap, gas-shielded arc welding |
| CN104289795A (en) * | 2014-09-22 | 2015-01-21 | 武汉纳瑞格智能设备有限公司 | MAG/MIG automatic welding device and method |
| CN105414722A (en) * | 2015-12-29 | 2016-03-23 | 哈尔滨工业大学 | External nozzle twin-wire co-pool narrow-gap GMAW torch |
| CN106270968A (en) * | 2016-10-26 | 2017-01-04 | 哈尔滨工业大学 | A kind of external nozzle mariages non-co-molten bath narrow clearance G MAW welding torch |
| CN106475669A (en) * | 2016-11-24 | 2017-03-08 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of tangent bend welding wire narrow clearance melting electrode gas shielded welding torch |
| US10773335B2 (en) | 2017-08-08 | 2020-09-15 | 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 |
| US11504788B2 (en) | 2017-08-08 | 2022-11-22 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
| US10532418B2 (en) | 2017-08-08 | 2020-01-14 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing contact tip and diffuser |
| US11484960B2 (en) | 2017-08-08 | 2022-11-01 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing contact tip and diffuser |
| US11440121B2 (en) | 2017-08-08 | 2022-09-13 | 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 |
| US11794269B2 (en) | 2018-08-13 | 2023-10-24 | Fronius International Gmbh | Pair of two nozzle assembly receptacles for a dual-wire welding torch and dual-wire welding torch having such a pair of two nozzle assembly receptacles |
| CN112770860A (en) * | 2018-08-13 | 2021-05-07 | 弗罗纽斯国际有限公司 | A pair of dual nozzle assembly receptacles for a dual wire torch and a dual wire torch having such a pair of dual nozzle assembly receptacles |
| US11285557B2 (en) | 2019-02-05 | 2022-03-29 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system |
| CN109719373A (en) * | 2019-02-26 | 2019-05-07 | 上海交通大学 | Mariages spacing is adjustable narrow clearance melting electrode gas protective welding gun |
| CN109773359B (en) * | 2019-03-07 | 2023-09-12 | 哈尔滨工业大学（威海） | plasma-MIG composite welding device for narrow-gap welding |
| CN109773359A (en) * | 2019-03-07 | 2019-05-21 | 哈尔滨工业大学（威海） | Plasma-MIG composite welding apparatus for narrow gap welding |
| 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 |
| US11498146B2 (en) | 2019-09-27 | 2022-11-15 | Lincoln Global, Inc. | Dual wire welding or additive manufacturing system and method |
| CN110788447A (en) * | 2019-11-12 | 2020-02-14 | 南京引力工业焊接技术研究院有限公司 | Multi-power-supply parallel multi-wire efficient arc welding device and application thereof |
| CN111014907A (en) * | 2019-11-18 | 2020-04-17 | 申英强 | Narrow-gap filament matrix type welding gun and welding process |
| CN113399801A (en) * | 2021-06-10 | 2021-09-17 | 中车青岛四方机车车辆股份有限公司 | Welding device and welding system for inhibiting welding heat cracks |
| CN114951921A (en) * | 2022-06-09 | 2022-08-30 | 斯图加特航空自动化（青岛）有限公司 | Double-wire narrow-gap GMAW (gas metal arc welding) welding device for thick plate of middle groove of scraper conveyor of coal machine |
| CN114951921B (en) * | 2022-06-09 | 2024-03-08 | 斯图加特航空自动化（青岛）有限公司 | Double-wire narrow-gap GMAW welding device for middle groove thick plate of scraper conveyor of coal machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102430846B (en) | 2013-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102430846B (en) | Bent conducting nozzle type twin-wire narrow-gap MIG/MAG (metal inert gas/metal active gas) welding torch | |
| CN108788389B (en) | Device and method for gradient material double-wire double-tungsten argon arc additive manufacturing | |
| CN206241445U (en) | Congruent melting pond Double Wire Welding wire feeder | |
| CN111014885B (en) | Multi-filament efficient forming additive manufacturing device | |
| CN106825964B (en) | Ultrasonic argon arc welding device | |
| CN104289795A (en) | MAG/MIG automatic welding device and method | |
| CN103071935A (en) | Laser-arc composite welding device based on heat input control and welding method | |
| CN103737158A (en) | Thermal input control based electric arc welding gun with double consumable electrodes and welding method thereof | |
| KR20160051563A (en) | Welding methods and applications for copper and steel | |
| CN104985303B (en) | A kind of InFocus TOPTIG twin arc complex welding methods | |
| CN104772552A (en) | Three-wire gas shielded indirect electric arc welding method, device, overlay welding method and narrow gap welding method | |
| CN106670630A (en) | Special welding gun with double flux-cored wires for underwater wet welding | |
| CN103071899A (en) | Twin-wire electrogas welding water-cooled welding torch | |
| CN202951963U (en) | Miniature gas-cooled type tungsten inert gas (TIG) small welding gun | |
| CN1927516A (en) | Welding torch for ultra-narrow gap arc welding | |
| CN103894702A (en) | Motor rotor web crack welding repair method | |
| CN104708179B (en) | The application in implementing thick plates of double TIG weld methods | |
| BR102013018868A2 (en) | Gas Arc Arc Welding Process - Double Wire Cold (GMAW-DCW) | |
| CN104625361B (en) | Twin arc and the three wire bond rifles and welding system and method for cold silk pulse composite welding | |
| CN108406156B (en) | Low-heat-input narrow-gap vertical electro-gas welding method | |
| CN103370163B (en) | Gas protection arc welding method and welder | |
| CN105689916A (en) | Welding rod suitable for welding carbon steel and copper materials | |
| CN107096982A (en) | Suitable for H profile steel submerged-arc welding welding gun positioner | |
| CN203282017U (en) | Single-gun double-wire vertical electrogas welding device | |
| CN201645011U (en) | Welding gun for narrow-gap gas shielded welding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20131021 |