CN106735772A - The device and method of the double arc automatic MIG weldering welding of aluminum alloy two-side - Google Patents

The device and method of the double arc automatic MIG weldering welding of aluminum alloy two-side Download PDF

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Publication number
CN106735772A
CN106735772A CN201611241931.6A CN201611241931A CN106735772A CN 106735772 A CN106735772 A CN 106735772A CN 201611241931 A CN201611241931 A CN 201611241931A CN 106735772 A CN106735772 A CN 106735772A
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CN
China
Prior art keywords
welding
mig
angle
welding gun
workpiece
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CN201611241931.6A
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Chinese (zh)
Inventor
徐国成
高大伟
张海沧
谷晓鹏
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Jilin University
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Jilin University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/16Arc welding or cutting making use of shielding gas
    • B23K9/173Arc welding or cutting making use of shielding gas and of a consumable electrode
    • B23K9/1735Arc welding or cutting making use of shielding gas and of a consumable electrode making use of several electrodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/235Preliminary treatment

Abstract

The present invention relates to a kind of device and method of the double arc automatic MIG weldering welding of aluminum alloy two-side, belong to field of welding devices.Device includes MIG welding guns, welding gun support, three-coordinate manipulator, angle of welding gun self-checking device, bearing, servomotor, workpiece, industrial computer, accurate adjustment can be carried out with the distance and relative angle of workpiece by industrial computer and angle of welding gun self-checking device Butt welding gun, and position adjustments of the welding gun with welding gun relative to workpiece, and by industrial computer to double sources of welding current and double-manipulator system integration Collaborative Control, the technological parameters such as adjustment weld pulse electric current, speed of welding, realize that two-sided pair of arc is synchronously symmetrically welded.The present invention solves the problems, such as that the stability of the welding quality being symmetrically welded by hand is poor using the two-sided pair of welding manner of arc automatic welding, reduces welding deformation, improves welding efficiency, reduces weld defect, saves welding cost, it is ensured that welding quality.

Description

The device and method of the double arc automatic MIG weldering welding of aluminum alloy two-side
Technical field
The present invention relates to field of welding devices, the device of the double arc automatic MIG weldering welding of more particularly to a kind of aluminum alloy two-side And method.
Background technology
Aluminium alloy is widely used in Aeronautics and Astronautics, automobile, machinery due to having the advantages that intensity is high, good corrosion resistance The fields such as manufacture.In recent years, with science and technology and the fast development of industry, the demand for Welded structural member is continuous Increase so that research and development high efficiency, high-quality aluminum alloy solder technology turn into study hotspot.
Double sides double arc(Double-Sided Arc Welding, referred to as DSAW)It is a kind of new efficient weldering Connect method, it using two electric arcs of the same race or different electric arc in the welding simultaneously of the two sides of workpiece, with heat input is small, welding becomes Shape and heat affected area are small, dramatically increase fusion penetration, welding production efficiency high the characteristics of, improve the penetration capacity of welding arc, energy It is enough to solve to perplex the high efficiency in arc-welding field and the contradiction of high welding quality always to a certain extent.Double sides double arc root Asymmetric welding is divided into according to the relative position of two electric arcs and be symmetrically welded.
At present, two-sided pair of arc is symmetrically welded and uses manual welding, welding quality excessively depend on welder operation skill and Experience, while welder's labour intensity is big in welding process, working condition is poor, thus compared with automatic welding, manual welding Stability of the welding quality is poor, and welding efficiency is low, and welding product defect is more, yielding, so as to cause welding quality to protect Barrier, percent defective is high, and welding cost is high.Urgently improve.
The content of the invention
It is an object of the invention to provide a kind of device and method of the double arc automatic MIG weldering welding of aluminum alloy two-side, solve The above mentioned problem that prior art is present.The present invention is cooperateed with by industrial computer to double sources of welding current and double-manipulator system integration The technological parameters such as control, adjustment weld pulse electric current, speed of welding, realize that two-sided pair of arc is synchronously symmetrically welded, and solve craft The problem of the stability of the welding quality difference being symmetrically welded, reduces welding deformation, improves welding efficiency, reduces weld defect, Save welding cost, it is ensured that welding quality.Welding(Metal Inert Gas Welding, referred to as For MIG is welded)It is that one kind uses consumable electrode, the welding method of protective gas is served as with inert gases such as Ar or He.The method is special Be not suitable for the materials such as soldering stainless steel, copper, aluminium and its alloy, welding process almost without oxidization burning loss, labor productivity compared with It is high.And during using MIG weldering welding aluminium and aluminium alloys, there is good negative electrode atomizing to it, can effectively remove oxidation Film, improves the welding quality of joint.
Above-mentioned purpose of the invention is achieved through the following technical solutions:
The device of the double arc automatic MIG weldering welding of aluminum alloy two-side, including MIG welding guns 1, welding gun support 2, three-coordinate manipulator 3, weldering Rifle automatic angle adjusting device 4, bearing 5, servomotor 6, workpiece riser 7, workpiece base plate 8 and industrial computer 9, the MIG welding guns 1 It is fixed in welding gun support 2, welding gun support 2 is by the servomotor 6 and the axle that are arranged on inside angle of welding gun self-checking device 4 Hold 5 to be connected on angle of welding gun self-checking device 4, angle of welding gun self-checking device 4 is bolted to connection in three seats On mark manipulator 3.
Described welding gun support 2 is connected by the servomotor 6 in angle of welding gun self-checking device 4 with industrial computer 9, by Servomotor 6 in the control angle of welding gun of industrial computer 9 self-checking device 4 adjusts the angle of welding process.
Described MIG welding guns 1 are provided with two, and two MIG welding guns 1 are arranged symmetrically relative to workpiece, and MIG welding guns 1 rifle The distance between head and workpiece riser 7 are 1mm~10mm;The center line of MIG welding guns 1 and the horizontal centre wire clamp of workpiece base plate 8 Angle is 28 °~32 °.
Method another object of the present invention is to provide a kind of double arc automatic MIG weldering welding of aluminum alloy two-side, including such as Lower step:
(1)Workpiece riser 7 to be welded is opened into 50 ° of grooves, it is blunt to be changed into 2mm, and welding contact surface is polished, go deoxygenation Change film, fixed workpiece, group is 0~3mm to gap;
(2)Argon gas air valve is opened, adjustment argon flow amount is 12~18L/min, opens water cooling plant, opens wire feeder, welding Power supply;
(3)Setup parameter, welding current is 130~200A, and arc voltage is 20~25V, and speed of welding is 5mm/s;
(4)Controlled by industrial computer 9 while the two MIG electric arcs that ignite, two MIG welding guns 1 start at the uniform velocity to move;
(5)After the completion of welding, the power supply of MIG welding guns 1 is closed.
The described source of welding current use asynchronous cooperating type DC pulse pattern, i.e., two high level of power pulse with it is low Appearance but pulse period, amplitude etc. are identical when level is different.
The beneficial effects of the present invention are:Compared with prior art, the present invention has advantages below:
(1)In welding process, welding gun drives at the uniform velocity mobile welding by motor, improves welding stability and weldquality;
(2)Because two MIG power modules use asynchronous cooperating type DC pulse pattern, be conducive to controlling electric arc, reduce Interaction between electric arc, enables molten bath to obtain constant heat and is input into, therefore improves the utilization rate of arc energy, protects The stability of welding process is demonstrate,proved;
(3)Compared to one side list arc-welding, two-sided couple of arc MIG is welded with and helps improve appearance of weld, reduces welding deformation, adjusts workpiece Residual stress distribution, reduce joint residual stress;
(4)Double sides double arc can improve a solder yield, save process materials, improve welding efficiency.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair Bright illustrative example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.
Fig. 1 is the apparatus structure schematic diagram of the double arc automatic MIG weldering welding of aluminum alloy two-side of the invention;
Fig. 2 is the structural representation of angle of welding gun self-checking device of the invention;
Fig. 3 is the profile of angle of welding gun self-checking device of the invention;
Fig. 4 is the schematic diagram of the pulse signal of the source of welding current of the invention.
In figure:1st, MIG welding guns;2nd, welding gun support;3rd, three-coordinate manipulator;4th, angle of welding gun self-checking device;5th, axle Hold;6th, servomotor;7th, workpiece riser;8th, workpiece base plate;9th, industrial computer.
Specific embodiment
Detailed content of the invention and its specific embodiment are further illustrated below in conjunction with the accompanying drawings.Only illustrated in accompanying drawing The connected mode of the device and monitoring method itself, gas circuit, water route and circuit connecting are all used necessary to welding process Conventional connection, so it will not be described.
Referring to shown in Fig. 1 to Fig. 4, the device of the double arc automatic MIG weldering welding of aluminum alloy two-side of the invention, including MIG is welded Rifle 1, welding gun support 2, three-coordinate manipulator 3, angle of welding gun self-checking device 4, bearing 5, servomotor 6, workpiece riser 7, Workpiece base plate 8 and industrial computer 9, the MIG welding guns 1 are fixed in welding gun support 2, and welding gun support 2 is by by being arranged on welding gun Servomotor 6 and bearing 5 inside automatic angle adjusting device 4 are connected on angle of welding gun self-checking device 4, angle of welding gun Self-checking device 4 is bolted to connection on three-coordinate manipulator 3.Can be automatic by industrial computer 9 and angle of welding gun Adjusting means 4 carries out accurate adjustment, and welding gun and welding gun to the distance and relative angle of MIG welding guns 1 and workpiece relative to work The position adjustments of part, and by 9 pairs of double sources of welding current of industrial computer and double-manipulator system integration Collaborative Control, adjustment welding arteries and veins The technological parameters such as electric current, speed of welding are rushed, realizes that two-sided pair of arc is synchronously symmetrically welded.The present invention two-sided pair of arc automatic welding of use Welding manner, solves the problems, such as that the stability of the welding quality being symmetrically welded by hand is poor, reduces welding deformation, improves welding Efficiency, reduces weld defect, saves welding cost, it is ensured that welding quality.
Described welding gun support 2 is connected by the servomotor 6 in angle of welding gun self-checking device 4 with industrial computer 9, by Servomotor 6 in the control angle of welding gun of industrial computer 9 self-checking device 4 adjusts the angle of welding process.
Described MIG welding guns 1 are provided with two, and two MIG welding guns 1 are arranged symmetrically relative to workpiece, and MIG welding guns 1 rifle The distance between head and workpiece riser 7 are 1mm~10mm;The center line of MIG welding guns 1 and the horizontal centre wire clamp of workpiece base plate 8 Angle is 28 °~32 °.
Referring to shown in Fig. 1 to Fig. 4, the method for the double arc automatic MIGs weldering welding of aluminum alloy two-side of the invention, including following step Suddenly:
(1)Workpiece riser 7 to be welded is processed into 50 ° of grooves, it is blunt to be changed into 2mm.Before welding, and welding contact surface is carried out Polishing, removes oxide film dissolving, and fixed workpiece, group is 0~3mm to gap;
(2)Three-coordinate manipulator 3 and angle of welding gun self-checking device 4 is controlled to adjust two MIG welding guns 1 by industrial computer 9 To required angles and positions, argon gas air valve is opened, adjustment argon flow amount is 12~18L/min, opens water cooling plant, is opened Wire feeder, the source of welding current;
(3)Setup parameter, welding current is 130~200A, and arc voltage is 20~25V, and speed of welding is 5mm/s;
(4)Controlled by industrial computer 9 while the two MIG electric arcs that ignite, two MIG welding guns 1 start at the uniform velocity to move;
(5)After the completion of welding, the power supply of MIG welding guns 1 is closed.
The described source of welding current use asynchronous cooperating type DC pulse pattern, i.e., two high level of power pulse with it is low Appearance but pulse period, amplitude etc. are identical when level is different.
Preferred embodiment of the invention is the foregoing is only, is not intended to limit the invention, for the technology of this area For personnel, the present invention can have various modifications and variations.All any modification, equivalent substitution and improvements made for the present invention etc., Should be included within the scope of the present invention.

Claims (5)

1. the device that a kind of double arc automatic MIG welderings of aluminum alloy two-side are welded, it is characterised in that:Including MIG welding guns(1), welding gun branch Frame(2), three-coordinate manipulator(3), angle of welding gun self-checking device(4), bearing(5), servomotor(6), workpiece riser (7), workpiece base plate(8)And industrial computer(9), the MIG welding guns(1)It is fixed on welding gun support(2)On, welding gun support(2)Pass through It is arranged on angle of welding gun self-checking device(4)Internal servomotor(6)And bearing(5)Angle of welding gun is connected to automatically adjust Device(4)On, angle of welding gun self-checking device(4)It is bolted to connection in three-coordinate manipulator(3)On.
2. the device that the double arc automatic MIG welderings of aluminum alloy two-side according to claim 1 are welded, it is characterised in that:Described Welding gun support(2)By angle of welding gun self-checking device(4)In servomotor(6)With industrial computer(9)Connection, by industrial computer (9)Control angle of welding gun self-checking device(4)In servomotor(6)Adjust the angle of welding process.
3. the device that the double arc automatic MIG welderings of aluminum alloy two-side according to claim 1 are welded, it is characterised in that:Described MIG welding guns(1)It is provided with two, two MIG welding guns(1)It is arranged symmetrically relative to workpiece, and MIG welding guns(1)Pipette tips and workpiece Riser(7)The distance between be 1mm~10mm;MIG welding guns(1)Center line and workpiece base plate(8)Horizontal center line angle It is 28 °~32 °.
4. the method that a kind of double arc automatic MIG welderings of aluminum alloy two-side are welded, it is characterised in that:Comprise the following steps:
(1)By workpiece riser to be welded(7)50 ° of grooves are opened, it is blunt to be changed into 2mm, and welding contact surface is polished, remove Oxide-film, fixed workpiece, group is 0~3mm to gap;
(2)Argon gas air valve is opened, adjustment argon flow amount is 12~18L/min, opens water cooling plant, opens wire feeder, welding Power supply;
(3)Setup parameter, welding current is 130~200A, and arc voltage is 20~25V, and speed of welding is 5mm/s;
(4)By industrial computer(9)Control is while ignite two MIG electric arcs, two MIG welding guns(1)Beginning is at the uniform velocity moved;
(5)After the completion of welding, MIG welding guns are closed(1)Power supply.
5. the method that the double arc automatic MIG welderings of aluminum alloy two-side according to claim 4 are welded, it is characterised in that:Described The source of welding current uses asynchronous cooperating type DC pulse pattern, i.e., occur when two high level of power pulse are different from low level But pulse period, amplitude etc. are identical.
CN201611241931.6A 2016-12-29 2016-12-29 The device and method of the double arc automatic MIG weldering welding of aluminum alloy two-side Pending CN106735772A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108465905A (en) * 2018-03-29 2018-08-31 江苏新时代造船有限公司 Dual robot active light source intelligence centering double sides double arc connects method and apparatus
CN109317783A (en) * 2018-11-15 2019-02-12 长江精工钢结构(集团)股份有限公司 A kind of cut deal T-type twin arc welding takes bottom technique
CN110814468A (en) * 2019-09-27 2020-02-21 沪东中华造船(集团)有限公司 T-shaped joint double-sided arc back-gouging-free penetration welding method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1603045A (en) * 2004-11-08 2005-04-06 渤海船舶重工有限责任公司 Double sides double arc welding method
CN202527834U (en) * 2012-04-01 2012-11-14 茂名重力石化机械制造有限公司 Automatic welding device of annular symmetric fillet welding seam
US20130193124A1 (en) * 2006-07-14 2013-08-01 Lincoln Global, Inc. Dual fillet welding methods and systems
RU2593244C1 (en) * 2015-03-20 2016-08-10 Общество с ограниченной ответственностью "Средневолжский Сертификационно-Диагностический Центр "Дельта" Method for two-side arc welding of tee joints
CN106001868A (en) * 2016-05-18 2016-10-12 南京合信智能装备有限公司 Full penetration welding method for simultaneously welding H-shaped steel with two guns
CN106112223A (en) * 2016-07-18 2016-11-16 中建钢构有限公司 A kind of T connector submerged welding process

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1603045A (en) * 2004-11-08 2005-04-06 渤海船舶重工有限责任公司 Double sides double arc welding method
US20130193124A1 (en) * 2006-07-14 2013-08-01 Lincoln Global, Inc. Dual fillet welding methods and systems
CN202527834U (en) * 2012-04-01 2012-11-14 茂名重力石化机械制造有限公司 Automatic welding device of annular symmetric fillet welding seam
RU2593244C1 (en) * 2015-03-20 2016-08-10 Общество с ограниченной ответственностью "Средневолжский Сертификационно-Диагностический Центр "Дельта" Method for two-side arc welding of tee joints
CN106001868A (en) * 2016-05-18 2016-10-12 南京合信智能装备有限公司 Full penetration welding method for simultaneously welding H-shaped steel with two guns
CN106112223A (en) * 2016-07-18 2016-11-16 中建钢构有限公司 A kind of T connector submerged welding process

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
刘美娜: "城轨客车铝合金牵引梁双面双弧焊机器人工作站仿真分析", 《中国优秀硕士论文全文数据库 信息科技辑》 *
朱学忠等: "《焊工(高级)》", 31 October 2003, 人民邮电出版社 *
殷树言: "《气体保护焊工艺基础及应用》", 30 September 2012, 机械工业出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108465905A (en) * 2018-03-29 2018-08-31 江苏新时代造船有限公司 Dual robot active light source intelligence centering double sides double arc connects method and apparatus
CN109317783A (en) * 2018-11-15 2019-02-12 长江精工钢结构(集团)股份有限公司 A kind of cut deal T-type twin arc welding takes bottom technique
CN110814468A (en) * 2019-09-27 2020-02-21 沪东中华造船(集团)有限公司 T-shaped joint double-sided arc back-gouging-free penetration welding method

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