CN208437795U - A kind of ultrasonic wave added cobalt-base alloys-nickel-base alloy tungsten argon arc welder - Google Patents

A kind of ultrasonic wave added cobalt-base alloys-nickel-base alloy tungsten argon arc welder Download PDF

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Publication number
CN208437795U
CN208437795U CN201820895758.XU CN201820895758U CN208437795U CN 208437795 U CN208437795 U CN 208437795U CN 201820895758 U CN201820895758 U CN 201820895758U CN 208437795 U CN208437795 U CN 208437795U
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China
Prior art keywords
argon arc
ultrasonic vibration
walking dolly
nickel
arc welding
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CN201820895758.XU
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Chinese (zh)
Inventor
薛海涛
王福海
陆志明
唐强
颜超
高艺明
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Beijing Aerospace Propulsion Institute
Hebei University of Technology
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Beijing Aerospace Propulsion Institute
Hebei University of Technology
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Abstract

The utility model is a kind of ultrasonic wave added cobalt-base alloys-nickel-base alloy tungsten argon arc welder.The device includes ultrasonic vibration installation, tungsten electrode argon arc welding gun, workbench and walking dolly;Wherein, the both ends of the workbench, are respectively fixed with a guide rail, and two guide rails are parallel;Two perpendicular fine strains of millet of the walking dolly of " door " font are separately positioned on two guide rails;The left side of the walking dolly is erected on fine strain of millet, and ultrasonic vibration installation is fixed with;Ultrasonic vibration installation is horizontal positioned, and milled head is located at the top to solder joint;On the crossbeam of walking dolly, it is fixed with tungsten electrode argon arc welding gun.The utility model solves the problems such as cobalt-base alloys, the organizational coarseness in nickel-base alloy connection, internal flaw, insufficient and illiquidity fusion.

Description

A kind of ultrasonic wave added cobalt-base alloys-nickel-base alloy tungsten argon arc welder
Technical field
The utility model relates to a kind of cobalt-base alloys, nickel-base alloy tungsten argon arc welder, and in particular to a kind of excusing from death is auxiliary Cobalt-base alloys, nickel-base alloy tungsten argon arc welder are helped, connection engineering, welding technology field are belonged to.
Background technique
In Aeronautics and Astronautics and energy application, for reducing production cost and make full use of the special of different materials Service performance etc. considers, cobalt-base alloys intensity with higher, good thermal fatigue resistance, corrosion and heat resistant under high temperature environment And wear-corrosion resistance, and there is good weldability, so cobalt-base alloys is commonly used for making aero-jet engine, industry combustion Gas-turbine, the guide vane of Vessel personnel and nozzle guide vane and diesel nozzeles etc..But cobalt-base alloys involves great expense, And density is larger, is only applicable to key position, connected to it is non-cobalt-base alloys, and the utility model is to realize that cobalt-based closes The welding of gold and nickel-base alloy.In the design process of dissimilar material composite construction, realize that the connection of the two is crucial, Tenon etc. Mechanical bond is unable to satisfy leakproofness and special service performance requirement.And welding method is mostly used to realize cobalt in production practice The combination of based alloy and nickel-base alloy.But the chemical component of cobalt-base alloys and nickel-base alloy, Physical Properties Difference are larger, cause Its weldability is poor, and conventional welding method is difficult to realize high-quality and efficient connection, to influence its service life, it is therefore desirable to open The connection method for sending out new optimizes improvement to it, and for other dissimilar materials Welding Problems, there is also important reference prices for this Value.
Tungsten argon arc soldering equipment includes Arc Welding Power, control cabinet, water system, air supply system and welding gun etc., and principle is Under the protection of inert gas, melts base material and filler wire using the arc heat generated between tungsten electrode and weldment, form weld seam Welding method.It can add or be not added filler wire in welding process according to the specific requirement of workpiece.Argon gas in welding process With fabulous protective effect, it can effectively completely cut off surrounding air, and itself is also not with metal chemically reactive, is also insoluble in Metal.To guarantee to obtain the weld seam of better quality.Another aspect tungsten electrode arc is highly stable, at low currents still can be steady Fixed burning, therefore argon tungsten-arc welding is suitble to plate sheet welding.But the current density of manual argon arc welding is big, the light of sending than stronger, The ultraviolet radiation that its electric arc generates, about the 5~30 of common welding rod arc welding times, infrared ray are about the 1 of welding electrode arc welding ~1.5 times, the ozone content generated in welding is higher, very big to human injury;Another aspect manual argon arc welding is because be to want Manual operation, so welding quality and worker operation are at direct relation.Ultrasonic welding is that a kind of speed of welding is fast, weld strength High, good airproof performance, cleanliness without any pollution and a kind of welding method that workpiece will not be injured.However, in cobalt-base alloys, nickel-base alloy tungsten In electrode argon arc welding connector, however it remains organizational coarseness, merges the problems such as insufficient and illiquidity at internal flaw.
Ultrasonic wave is the sound wave that frequency is higher than 20000 hertz, is divided into power ultrasonic again in practical applications and detection is super Sound wave.Its good directionality, penetration capacity are strong.Can be used for ranging, industrial flaw detection, medical B-ultrasound sound, cleaning, welding, drilling, rubble, Sterilizing etc..And in terms of welding field, can effectively it be changed using the ultrasonic cavitation and ultrasonic acoustic streaming effect of ultrasonic wave Kind weldquality.Ultrasonic cavitation process can generate strong shock wave, the dendrite smashing nascent coarse crystal and growing up, Increase nucleation mass point, nucleation rate is improved, to refine crystal grain.Furthermore ultrasonic wave can make heterogeneous material with reinforcing material mobility Material sufficiently fusion, forms high-quality connector.
Chinese patent CN 102059453A discloses a kind of method of Non-contact-type ultrasonic-assisted laser welding.For solution It is sharp that a kind of non-contact type ultrasonic auxiliary is certainly devised during titanium alloy, aluminum alloy piping welding the problems such as the stomata, crackle of generation Flush weld connection device.But in the process, ultrasonic vibration installation is the application of non-contacting form, to reduce the benefit of ultrasonic wave With rate, ultrasonic useful effect is weakened.
107009039 A of Chinese patent CN discloses a kind of with weldering ultrasonic vibration installation and method.Its principle is first by tungsten Electrode argon arc welding equipment welds magnesium alloy or Al alloy parts, and simultaneously using ultrasonic vibration for welding gun rear molten bath into Row vibration processing can refine the crystal grain of welding point by ultrasonic wave to the flowing in molten bath and the influence of solidification, exclude Stomata, slag inclusion, reduce or eliminate residual stress, improve the mechanical property of welding point.But in the welding process, molten bath temperature Degree is higher, and higher bath temperature generates adverse effect to ultrasonic vibration needle, so as to cause ultrasonic useful effect reduction.
The respective advantage of the utility model combination argon tungsten-arc welding automatic welding and ultrasonic vibration installation stablizes welding process Change, and make full use of effective effect of ultrasound, improves property of welded joint, and there is wide applicability.
Utility model content
The purpose of this utility model be for deficiency present in current techniques, provide a kind of ultrasonic wave added cobalt-base alloys, Nickel-base alloy tungsten argon arc welder.The utility model in conjunction with ultrasonic vibration installation, sufficiently sends out argon tungsten-arc welding automatic welding Wave respective advantage, automatic welding improves the stability of welding quality, contact and applies ultrasonic vibration before welding, avoids Influence of the other factors to ultrasound, to solve cobalt-base alloys, the organizational coarseness in nickel-base alloy connection, internal flaw, fusion The problems such as insufficient and illiquidity.
The technical solution of the utility model are as follows:
A kind of ultrasonic wave added cobalt-base alloys-nickel-base alloy tungsten argon arc welder, which includes ultrasonic vibration installation, tungsten Electrode argon arc welding welding gun, workbench and walking dolly;
Wherein, the both ends of the workbench, are respectively fixed with a guide rail, and two guide rails are parallel;Between two guide rails Workbench edge, be provided with two sets of fixtures, be respectively used to fix cobalt-base alloys plate to be welded with dock nickel-base alloy plate;
Two perpendicular fine strains of millet of the walking dolly of " door " font are separately positioned on two guide rails;The left side of the walking dolly On perpendicular fine strain of millet, it is fixed with ultrasonic vibration installation;Ultrasonic vibration installation is horizontal positioned, and milled head is located at the top to solder joint;Walking On the crossbeam of trolley, it is fixed with tungsten electrode argon arc welding gun;
The tungsten electrode argon arc welding gun is placed in right above workpiece gap center to be welded, and tungsten electrode argon arc welding gun with to Welder's part gap center is at 60 °~70 °;The milled head of the ultrasonic vibration installation acts on butt welding region;The ultrasonic vibration The milled head ultrasonication center of device 1 and the center spacing of tungsten electrode argon arc welding gun are 40~50mm;
The utility model has the following beneficial effects:
The utility model coarse, weld seam internal flaw, mother for welding joint structure in cobalt-base alloys, Nickel-based Alloy Welding Material poor fluidity, base material merge problem insufficient, that property of welded joint is poor, devise a kind of ultrasonic wave added cobalt-base alloys, Nickel-base alloy tungsten argon arc welder simultaneously provides related process.By the way that ultrasonic vibration installation is added, so as to improve welding point Tissue topography and service performance.Compared with traditional argon tungsten-arc welding, the utility model is had the advantage that
Argon tungsten-arc welding automatic welding is compared with manual argon arc welding, and welding process is stablized, reliable welding quality, to artificial at wound Evil is smaller.
The cavitation of ultrasonic wave can refine crystal grain, improve institutional framework.Ultrasonic cavitation process can generate strong rush Wave is hit, the dendrite smashing nascent coarse crystal and growing up improves nucleation rate to increase nucleation mass point.
Under the action of ultrasonic vibration, similar stirring action is generated, so that the bubble in welding process of setting overflows, Internal flaw is obtained in weld seam to reduce.
Under the action of ultrasonic vibration, base material mobility enhancing, so that sufficiently being merged in welded seam area, to be formed good Weld seam.The utility model technological operation is simple, applied widely, can be generalized to other heterogeneous alloy argon tungsten-arc weldings connection In.
Detailed description of the invention
Fig. 1 is a kind of ultrasonic wave added cobalt-base alloys, nickel-base alloy tungsten argon arc welder and combination side described in embodiment 1 The schematic diagram of method.
Wherein, 1- ultrasonic vibration installation;2- tungsten electrode argon arc welding gun;3- workbench;4- walking dolly;5- cobalt-base alloys UMCo50 plate;6- nickel-base alloy Inconel600 plate;7- guide rail.
Fig. 2 is weld seam without with the metallurgical tissue picture after weldering ultrasonic vibration treatment.
Fig. 3 is weld seam through with the metallurgical tissue picture after weldering ultrasonic vibration treatment.
Specific embodiment
It is described hereinafter in connection with exemplary embodiment of the attached drawing to the utility model.
Embodiment 1: as shown in Figure 1, a kind of ultrasonic wave added cobalt-base alloys, nickel-base alloy tungsten argon arc of the present embodiment are welded It sets, including ultrasonic vibration installation 1, tungsten electrode argon arc welding gun 2, workbench 3 and walking dolly 4, trolley are door type structure;Dock cobalt Based alloy plate constitutes workpiece to be welded with nickel-base alloy plate is docked, and workpiece to be welded is fixed on workbench 3 by fixture, ultrasonic vibration Device 1 and tungsten electrode argon arc welding gun 2 by being fixed on walking dolly,
Wherein, the both ends of the workbench 3, are respectively fixed with a guide rail 7, and two guide rails 7 are parallel;Two guide rails 7 Between workbench 3 surface on, be provided with two sets of fixtures, for fix cobalt-base alloys plate to be welded with dock nickel-base alloy Plate;After the gap that workpiece is designed as requested places, respectively with fixture at lower edges and non-solder edge by workpiece It fixes, to prevent workpiece, position changes in the welding process, on the other hand can also play the work of control workpiece deformation With.Vltrasonic device is fixed on the left side vertical beam of walking dolly by bis- " U " fixtures, and fixture is fixed on ultrasound by bolt arrangement On the left of vibration device and walking dolly on vertical beam.Tungsten electrode argon arc welding gun is fixed on the crossbeam of walking dolly by fixture, Middle fixture is wrapped on crossbeam, is fastened by bolts, loose bolts can make fixture around crossbeam rotate to adjust welding gun with to Workpiece angle is welded, then fixture not can be rotated fastening bolt, and welding gun is fixed with workpiece angle, and wherein welding gun is with fixture by being fixed into Overall structure.
Two perpendicular fine strains of millet of the walking dolly 4 of " door " font are separately positioned on two guide rails 7, on the crossbeam of walking dolly 4, It is fixed with tungsten electrode argon arc welding gun 2;The left side of the walking dolly 4 is erected on fine strain of millet, and ultrasonic vibration installation 1 is fixed with;Ultrasound vibration Dynamic device 1 is horizontal positioned, and milled head is located at the top to solder joint;
Wherein tungsten electrode argon arc welding gun is located at walking dolly crossbeam center, and can turn around walking dolly crossbeam It is dynamic, welding gun and workpiece angle are adjusted with this, once but angle is fixed when working, it just cannot rotate again, together with trolley By in track travel.Tungsten electrode argon arc welding gun is placed in right above workpiece gap center to be welded, and tungsten electrode argon arc welding gun 2 with Workpiece gap center to be welded is at 60 ° -70 °.The milled head of the ultrasonic vibration installation acts on butt welding region;The ultrasonic vibration The milled head ultrasonication center of device 1 and the center spacing of tungsten electrode argon arc welding gun are 50mm;The ultrasound vibration Dynamic device 1 is with tungsten electrode argon arc welding gun 2 without directly rigid connection;The ultrasonic vibration installation (ultrasonic burnishing head) is solid by fixture It is scheduled on walking dolly side, wherein milled head acts on weldment center, and the other side is connect with ultrasonic generator, welds Cheng Zhong, ultrasonic vibration installation are connected with walking dolly by fixture, are moved together with trolley to realize;The ultrasonic vibration The ultrasonication position of the milled head of device 1 is located at the upper surface of cobalt-base alloys plate and nickel-base alloy plate;Further: described super The milled head of acoustic vibration device 1 is with textured out-of-flatness surface;Further: welding gun should cobalt-base alloys UMCo50 plate with Nickel-base alloy Inconel600 plate butt weld center.Docking cobalt-base alloys plate is 3mm with nickel-base alloy plate thickness is docked, before weldering Open 20 ° -30 ° of groove, and the root face of reserved 0.5mm.
Embodiment 2: the present embodiment relies on the tungsten argon arc welder of ultrasonic wave added described in embodiment 1 to realize, this implementation Example through the following steps that realize:
Step 1: cobalt-base alloys UMCo50 and Inconel600 are fixed on the table as required, and will be around weld seam It is cleaned out in 40mm, and adds run-on tab and arc-extinguishing plate in two sides;
Step 2: ultrasonic vibration installation is started, and ultrasonic vibration installation is applied to the initial position of projected route;
Tungsten electrode argon arc welding gun: being placed in estimated initial position by step 3, starts tungsten argon arc welder;
Step 4: welding condition is regulated;
Step 5: striking, and start walking dolly, it walks according to predetermined speed, carries out welding;
Step 6: after according to the operation of both fixed tracks, tungsten electrode argon arc welding gun is detached from weld seam in welding end position;
Step 7: after tungsten electrode argon arc welding gun is detached from weld seam, ultrasonic vibration installation is closed.
Wherein, ultrasonic vibration frequency be 20kHz-200kHz, 8 μm -20 μm of amplitude.
Wherein, argon tungsten-arc welding process parameter is welding current 140-160A, weldingvoltage 15-17V.
Wherein, the travel speed of walking dolly is 10cm/min.
Embodiment 3: cutting weld seam position after welding, respectively with 400 mesh, 800 mesh, 1200 mesh, 2000 mesh sand paper Polishing, and be processed by shot blasting on polishing machine.After polishing, the corruption made of hydrochloric acid, nitric acid, frerrous chloride, copper chloride configuration Erosion liquid corrodes it, then takes metallography microscope under the microscope, and carries out with the sample for not applying ultrasonic vibration before pair Than.Such as Fig. 2, shown in Fig. 3, wherein Fig. 2 is weld seam without with the metallurgical tissue picture after weldering ultrasonic vibration treatment, Fig. 3 be through with Weld ultrasonic vibrationization treated metallurgical tissue picture.As can be seen that after ultrasonic vibration treatment, seam organization is obvious for comparison Become tiny, and the defects of pore-free.
Although the revealed embodiment of the utility model is as above, its content is only to facilitate understand the utility model Technical solution and the embodiment that uses, be not intended to limit the utility model.Any the utility model technical field Interior technical staff can be in the form of implementation under the premise of not departing from the utility model revealed core technology scheme With any modification and variation are made in details, but protection scope defined by the utility model still must be with appended claims Subject to the range of restriction.
The utility model unaccomplished matter is well-known technique.

Claims (1)

1. a kind of ultrasonic wave added cobalt-base alloys-nickel-base alloy tungsten argon arc welder, it is characterized in that the device includes ultrasonic vibration Device, tungsten electrode argon arc welding gun, workbench and walking dolly;
Wherein, the both ends of the workbench, are respectively fixed with a guide rail, and two guide rails are parallel;Work between two guide rails The edge for making platform is provided with two sets of fixtures, be respectively used to fix cobalt-base alloys plate to be welded with dock nickel-base alloy plate;
Two perpendicular fine strains of millet of the walking dolly of " door " font are separately positioned on two guide rails;Erect fine strain of millet in the left side of the walking dolly On, it is fixed with ultrasonic vibration installation;Ultrasonic vibration installation is horizontal positioned, and milled head is located at the top to solder joint;Walking dolly Crossbeam on, be fixed with tungsten electrode argon arc welding gun;
The tungsten electrode argon arc welding gun is placed in right above workpiece gap center to be welded, and tungsten electrode argon arc welding gun with to welder Part gap center is at 60 ° ~ 70 °;The milled head of the ultrasonic vibration installation acts on butt welding region;The ultrasonic vibration installation The center spacing of milled head ultrasonication center and tungsten electrode argon arc welding gun is 40 ~ 50mm.
CN201820895758.XU 2018-06-11 2018-06-11 A kind of ultrasonic wave added cobalt-base alloys-nickel-base alloy tungsten argon arc welder Expired - Fee Related CN208437795U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108406057A (en) * 2018-06-11 2018-08-17 河北工业大学 A kind of ultrasonic wave added cobalt-base alloys-nickel-base alloy argon tungsten-arc welding device and method
CN111390410A (en) * 2020-04-03 2020-07-10 哈尔滨工业大学 Ultrasonic vibration GTAW composite device based on sound-heat synchronization and use method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108406057A (en) * 2018-06-11 2018-08-17 河北工业大学 A kind of ultrasonic wave added cobalt-base alloys-nickel-base alloy argon tungsten-arc welding device and method
CN111390410A (en) * 2020-04-03 2020-07-10 哈尔滨工业大学 Ultrasonic vibration GTAW composite device based on sound-heat synchronization and use method
CN111390410B (en) * 2020-04-03 2022-04-05 哈尔滨工业大学 Ultrasonic vibration GTAW composite device based on sound-heat synchronization and use method

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Granted publication date: 20190129