CN208614052U - A kind of two dimensional ultrasonic vibration auxiliary fusion welding device - Google Patents
A kind of two dimensional ultrasonic vibration auxiliary fusion welding device Download PDFInfo
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- CN208614052U CN208614052U CN201821169592.XU CN201821169592U CN208614052U CN 208614052 U CN208614052 U CN 208614052U CN 201821169592 U CN201821169592 U CN 201821169592U CN 208614052 U CN208614052 U CN 208614052U
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Abstract
The utility model discloses a kind of two dimensional ultrasonic vibrations to assist fusion welding device.The device is based on compound vibration, the ultrasonic generator being not parallel to each other by setting two, is allowed to connect with welding gun coupling, and controls the phase official post electric arc between the high-frequency alternating current that ultrasonic generator generates and generate supersonic frequency rotation.The structure of hybrid welding torch is simple in the utility model, and electric arc compression effectiveness is obvious, and arc energy density is improved, and electric arc is more stable in welding process.Ultrasound can be transferred to molten bath by electric arc, generate to molten bath and be vigorously stirred effect, cavitation and acoustic streaming effect can promote solute to be uniformly distributed in weld seam, refine crystal grain, the porosity for eliminating weld seam is reduced, and can reduce welding residual stress and distortion, improves welding joint mechanical property.The utility model relates to a kind of two dimensional ultrasonic vibrations to assist fusion welding device, belong to melt pole electrical arc welding and arc metallurgy field.
Description
Technical field
The utility model relates to a kind of two dimensional ultrasonic vibrations to assist fusion welding device, belong to melt pole electrical arc welding and electricity
Arc field of metallurgy.
Background technique
Consumable electrode narrow gap welding is also known as NG-GMAW, mainly by the metal of arc-melting side-wall metallic and wire melting
It is mixed to form weld seam, is a kind of special welding method based on conventional arc weldering.Due to the groove gap of consumable electrode narrow gap welding
Very little, section of weld joint product greatly reduces when thick plates, under smaller welding conditions, it is ensured that higher welding quality and weldering
Yield of delivering a child to reduce production cost is widely used in the large thick-walls such as aluminium alloy, high-strength steel, titanium alloy at present
The welding of structural member.
Groove side wall fusion is the key that NG-GMAW seam forming quality.In order to guarantee groove side wall fusion and reliable weldering
It is seamed into type, develops electric arc swing, rotating the arc and twin-wire melting pole narrow gap welding method.Wherein since electric arc is swung and double
The stability of silk method electric arc is poor, and rotating the arc soldering method can promote the droplet transfer under the action of additional centrifugal force,
The melting efficiency for improving welding wire, while significantly improving appearance of weld, at the same have high efficiency, low cost, high weldquality and
With the characteristics of small seam deformation, it has also become NG-GMAW most potential welding method.Rotating the arc mainly uses motor driven at present
Conducting rod and ignition tip rotation mode obtain, i.e., by motor-driven gear high speed rotation, band moving conductive rod, eccentric ignition tip and
Electric arc rotates together, and radius of turn depends on the eccentric angle and electrode extension of ignition tip.But since electric arc rotation is adopted
It is obtained with gear transmission mode, there are welding torch mechanism size and weight are larger, noise is big；Transmission mechanism manufacturing cost is high；Groove
Interior ignition tip drives electric arc high speed rotation, and protection air-flow is caused to disturb, and fusing metal coating is bad, it is necessary to supplementary protection gas hood；
Ignition tip high speed rotation, there are relative motion between welding wire and ignition tip, ignition tip serious wear, service life is short；Bias is led
Sparking plug needs special facture, and welding cost is high；The disadvantages of conducting rod itself rotation, source of welding current access is difficult.
In terms of ultrasonic wave added arc welding, " a kind of ultrasonic wave and non-melt pole disclosed in Chinese patent CN101219499A
Electric arc combined welding method ", ultrasonic wave is acted on TIG electric arc, the energy density of electric arc is effectively improved.But this reality
It is one-dimensional load with novel middle ultrasound, electric arc does not generate rotation, and electrode is placed in amplitude transformer by mosaic mode, designs and produces multiple
Miscellaneous, the influence that heat works to amplitude transformer in welding process is big, limits the application of this method.Patent CN106624401A is disclosed
" a kind of roller ultrasound electric arc composite welding apparatus ", by ultrasound by workpiece import welding pool, effectively refine crystal grain, mention
High weld strength.But ultrasonic loading method is imported by workpiece in the utility model, electric arc does not generate rotation, workpiece ruler
Very little, structure, temperature have larger impact to the intensity of ultrasound, and the ultrasonic energy for inputting weld seam molten bath is unstable.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of welding dress of two dimensional ultrasonic vibration auxiliary fusion welding
It sets.The apparatus structure is simple, and electric arc can be made to generate superaudio rotation, the energy utilization efficiency of electric arc is improved, effectively promote
The fusion of groove side wall refines weld grain, improves the mechanical property of welding point.
The solution that the utility model solves its technical problem is:
A kind of two dimensional ultrasonic vibration auxiliary fusion welding device, including compound welding gun, Arc Welding Power, wire feeder are described
Wire feeder provide solder for compound welding gun, further include
Coupling disc, the coupling disc are fixedly connected with compound welding gun；
X to ultrasonic vibration installation, the X to ultrasonic vibration installation include X to supersonic generator, X to energy converter, X
To amplitude transformer, the X is connected with X to amplitude transformer by X to energy converter to supersonic generator, and the X is to amplitude transformer
One end is connected with X to energy converter, and the other end is connected with coupling disc；
Y-direction ultrasonic vibration installation, the Y-direction ultrasonic vibration installation include Y-direction supersonic generator, Y-direction energy converter, Y
To amplitude transformer, the Y-direction supersonic generator is connected by Y-direction energy converter with Y-direction amplitude transformer, the Y-direction amplitude transformer one
End is connected with Y-direction energy converter, and the other end is connected with coupling disc；The Y-direction ultrasonic vibration installation, X to ultrasonic vibration installation it
Between angle be α, the value of α is greater than 0 ° less than 180 °.
As a further improvement of the above technical scheme, the Y-direction ultrasonic vibration installation, X are equal to ultrasonic vibration installation
Perpendicular to compound welding gun, the Y-direction ultrasonic vibration installation, X is orthogonal to ultrasonic vibration installation and is in the same plane.
It as a further improvement of the above technical scheme, further include support base, two mounting flanges, two flange seats, institute
The compound welding gun stated is fixed on support base along the vertical direction by coupling disc, and flange seat described in two is orthogonally solid
It being scheduled on support base, flange seat described in two is respectively positioned on same plane, and flange seat described in two includes mounting hole, and two
The axis direction of the mounting hole of a flange seat is directed to compound welding gun, and the X is ultrasonic to ultrasonic vibration installation, Y-direction
Vibration device is separately fixed on the mounting hole of two flange seats by mounting flange, so that X is super to ultrasonic vibration installation, Y-direction
Acoustic vibration device is orthogonal and is fixed on coupling disc with being generally aligned in the same plane.
As a further improvement of the above technical scheme, the coupling disc and compound welding gun are integrally formed.
As a further improvement of the above technical scheme, the X is that PZT (piezoelectric transducer) or magnetostriction are changed to energy converter
Energy device, the Y-direction energy converter are PZT (piezoelectric transducer) or magnetostrictive transducer.
As a further improvement of the above technical scheme, X is that sintered steel, titanium alloy or aluminium close to the material of amplitude transformer
Gold, the material of Y-direction amplitude transformer are sintered steel, titanium alloy or aluminium alloy.
The beneficial effects of the utility model are: making electric arc generate rotation, welding torch by using two-dimension vibration synthetic method
Structure is simple, and electric arc is more stable in welding process；By ultrasonication after electric arc, electric arc compression effectiveness is obvious, arc energy
Density is improved；Ultrasound can be transferred to molten bath by electric arc, generate to molten bath and be vigorously stirred effect, cavitation and acoustic streaming effect can
To promote solute to be uniformly distributed in weld seam, crystal grain is refined, reduces the porosity for eliminating weld seam, and can reduce welding remnants and answer
Power and deformation improve welding joint mechanical property.
The utility model relates to a kind of two dimensional ultrasonic vibrations to assist fusion welding device, belong to melt pole electrical arc welding and electricity
Arc field of metallurgy.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the compound welding gun schematic diagram of the utility model embodiment；
Fig. 3 is the electric arc transient motion trajectory diagram of the utility model embodiment.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each technology in the utility model creation
Feature, can be with combination of interactions under the premise of not conflicting conflict.
Embodiment is as follows, referring to Fig.1~Fig. 3, a kind of two dimensional ultrasonic vibration auxiliary fusion welding device, including compound welding gun
3, it further includes coupling disc 5 that Arc Welding Power, wire feeder 2, the wire feeder 2, which are that compound welding gun 3 provides solder, described
Coupling disc 5 is fixedly connected with compound welding gun 3；X to ultrasonic vibration installation 41, the X to ultrasonic vibration installation 41 include X to
To energy converter 412, X to amplitude transformer 413, the X passes through X to transducing to supersonic generator 411 by supersonic generator 411, X
Device 412 is connected with X to amplitude transformer 413, and the X is connected with X to energy converter 412 to one end of amplitude transformer 413, the other end and coupling
Disk 5 is closed to be connected；Y-direction ultrasonic vibration installation 42, the Y-direction ultrasonic vibration installation 42 include Y-direction supersonic generator 421, Y-direction
Energy converter 422, Y-direction amplitude transformer 423, the Y pass through Y-direction energy converter 422 and Y-direction amplitude transformer to supersonic generator 421
423 are connected, and described 423 one end of Y-direction amplitude transformer is connected with Y-direction energy converter 422, and the other end is connected with coupling disc 5；The Y
It is α to ultrasonic vibration installation 42, X to angle between ultrasonic vibration installation 41, the value of α is greater than 0 ° less than 180 °.
By the way that ultrasonic vibration installation neither parallel to each other is arranged, produce electric arc using two dimensional ultrasonic vibration synthetic method
Raw rotation, torch structure is simple, and electric arc is more stable in welding process；By ultrasonication after electric arc, electric arc compression effectiveness is bright
Aobvious, arc energy density is improved；Ultrasound can be transferred to molten bath by electric arc, generate to molten bath and be vigorously stirred effect, cavitation
Solute can be promoted to be uniformly distributed in weld seam with acoustic streaming effect, refine crystal grain, reduce the porosity for eliminating weld seam, and can subtract
Small welding residual stress and distortion improves welding joint mechanical property.
Its welding procedure the following steps are included:
Step 1: industrial-frequency alternating current is converted to high-frequency alternating current by supersonic generator, and high-frequency current is input to X simultaneously
To energy converter 412 and Y-direction energy converter 422 and generate with frequency ultrasonic vibration；Step 2: X divides to ultrasonic vibration and Y-direction ultrasonic vibration
It is not amplified through X to amplitude transformer 413 and Y-direction amplitude transformer 423；Step 3: X to amplitude transformer 413 and Y-direction amplitude transformer 423 not
It is parallel to each other, make X to ultrasonic vibration and Y-direction ultrasonic vibration by coupling disc 5 make welding gun is formed in weld seam two dimension load
ULTRASONIC COMPLEX energy.When welding as a result, ULTRASONIC COMPLEX energy acts on electric arc, so that electric arc is generated supersonic frequency rotation, ultrasound is made
After electric arc, electric arc compression effectiveness is obvious, and arc energy density is improved, so that electric arc is more stable；The ultrasound of electric arc
Frequency rotation, which generates molten bath, is vigorously stirred effect, on the one hand can effectively promote the fusion of groove side wall, another aspect cavitation
Solute can be promoted to be uniformly distributed in weld seam with acoustic streaming effect, refine crystal grain, reduce the porosity for eliminating weld seam, and can subtract
Small welding residual stress and distortion improves welding joint mechanical property.
X to angle between amplitude transformer 413 and Y-direction amplitude transformer 423 be 90 °, high-frequency alternating current from X to supersonic generator with
Phase difference θ between the high-frequency alternating current of Y-direction supersonic generator, make x to ultrasonic vibration pass through with y to ultrasonic vibration and couple
Disk 5 makes welding gun form instantaneous accidental motion profile, equation of motion in weld seam are as follows:
X is to x=a × sin (2 π ft)
Y-direction: y=b × sin (2 π ft+ θ)
Wherein x is welding gun X-direction displacement function, and y is welding gun Y-direction displacement function, and a, b are respectively to test measurement welding gun X
Direction amplitude and Y-direction amplitude, t is time variable, and π is pi.Electric arc generates supersonic frequency rotation as a result, and rotating path is
Ellipse, arc energy density is improved, so that electric arc is more stable.
Industrial-frequency alternating current is 220V/380V, 50Hz；The frequency of high-frequency alternating current is 20~200 kHz, and phase difference θ takes
Being worth range is 0~90 °；X to the amplitude of energy converter 412, Y-direction energy converter 422 be 5~50 μm；X is to supersonic generator
411,421 power of Y-direction supersonic generator is 300~3000W；X is to ultrasonic vibration and Y-direction ultrasonic vibration respectively through X to change
After width bar 413 and Y-direction amplitude transformer 423 amplify, amplitude is 10~1000 μm.When ultrasonic energy is too small, play
Compound action is weak；And when ultrasonic energy is excessive, the cavitation effect generated can form cavity in weldpool again, to reduce weld seam
Intensity.It is preferred that above generate can make ultrasonic energy generate gain effect to welding process.
It is further used as preferred embodiment, the Y-direction ultrasonic vibration installation 42, X are equal to ultrasonic vibration installation 41
Perpendicular to compound welding gun 3, the Y-direction ultrasonic vibration installation 42, X are orthogonal to ultrasonic vibration installation 41 and are located at same flat
In face.As a result, by the way that Y is arranged to mutually perpendicular form, ultrasound vibration to ultrasonic vibration installation and X to ultrasonic vibration installation
Dynamic synthesis is more easily controlled, and X is located at same plane to, Y-direction Vltrasonic device, can be avoided X to, Y-direction Vltrasonic device
It is non-coplanar that unnecessary torque is generated to compound welding gun, to improve the service life of compound welding gun.
It is further used as preferred embodiment, further includes 1, two mounting flange of support base, two flange seats, it is described
Compound welding gun 3 is fixed on support base 1 along the vertical direction by coupling disc 5, and flange seat described in two is orthogonally solid
It being scheduled on support base 1, flange seat described in two is respectively positioned on same plane, and flange seat described in two includes mounting hole,
The axis direction of the mounting hole of flange seat described in two is directed to compound welding gun 3, and the X is to ultrasonic vibration installation 41, Y-direction
Ultrasonic vibration installation 42 is separately fixed on the mounting hole of two flange seats by mounting flange, so that X is to ultrasonic vibration installation
41, Y-direction ultrasonic vibration installation 42 is orthogonal and is fixed on coupling disc 5 with being generally aligned in the same plane.Pass through support base as a result,
And mounting flange, ring flange fix Vltrasonic device and compound welding gun, and entire welder is standardized assembly, is convenient for
Various production environments are imported by support base, such as support base is fixed on a robotic arm.
It is further used as preferred embodiment, the coupling disc 5 and compound welding gun 3 are integrally formed.Coupling disc and multiple
It closes welding gun and is acted on simultaneously by X to, Y-direction ultrasonic generator, its intensity can be effectively improved using by the integrally formed mode of the two,
Compared to two parts are split into, to be attached its failure rate low.
Be further used as preferred embodiment, the X to energy converter 412 be PZT (piezoelectric transducer) or magnetostriction transducing
Device, the Y-direction energy converter 422 are PZT (piezoelectric transducer) or magnetostrictive transducer.
It is further used as preferred embodiment, X is that sintered steel, titanium alloy or aluminium close to the material of amplitude transformer 413
Gold, the material of Y-direction amplitude transformer 423 are sintered steel, titanium alloy or aluminium alloy.
The better embodiment of the utility model is illustrated above, but the utility model creation is not limited to
The embodiment, those skilled in the art can also make various etc. without departing from the spirit of the present invention
Same variation or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (6)
1. a kind of two dimensional ultrasonic vibration auxiliary fusion welding device, including compound welding gun (3), Arc Welding Power, wire feeder (2),
The wire feeder (2) is that compound welding gun (3) provide solder, it is characterised in that: further includes
Coupling disc (5), the coupling disc (5) are fixedly connected with compound welding gun (3)；
X to ultrasonic vibration installation (41), the X to ultrasonic vibration installation (41) include X to supersonic generator (411), X to
Energy converter (412), X to amplitude transformer (413), the X to supersonic generator (411) by X to energy converter (412) and X to
Amplitude transformer (413) is connected, and the X is connected with X to energy converter (412) to one end of amplitude transformer (413), the other end and coupling disc
(5) it is connected；
Y-direction ultrasonic vibration installation (42), the Y-direction ultrasonic vibration installation (42) include Y-direction supersonic generator (421), Y-direction
Energy converter (422), Y-direction amplitude transformer (423), the Y-direction supersonic generator (421) pass through Y-direction energy converter (422) and Y-direction
Amplitude transformer (423) is connected, and described Y-direction amplitude transformer (423) one end is connected with Y-direction energy converter (422), the other end and coupling disc
(5) it is connected；The Y-direction ultrasonic vibration installation (42), X are α to angle between ultrasonic vibration installation (41), and the value of α is less than
180 ° are greater than 0 °.
2. a kind of two dimensional ultrasonic vibration according to claim 1 assists fusion welding device, it is characterised in that: the Y
It is each perpendicular to compound welding gun (3) to ultrasonic vibration installation (42), X to ultrasonic vibration installation (41), the Y-direction ultrasonic vibration dress
Set that (42), X is orthogonal to ultrasonic vibration installation (41) and is in the same plane.
3. a kind of two dimensional ultrasonic vibration according to claim 1 or 2 assists fusion welding device, it is characterised in that: also wrap
Support base (1), two mounting flanges, two flange seats are included, the compound welding gun (3) passes through coupling disc (5) along the vertical direction
Ground is fixed on support base (1), and flange seat described in two is fixed on orthogonally on support base (1), method described in two
Blue seat is respectively positioned on same plane, and flange seat described in two includes mounting hole, the mounting hole of flange seat described in two
Axis direction is directed to compound welding gun (3), and the X passes through solid to ultrasonic vibration installation (41), Y-direction ultrasonic vibration installation (42)
Determine flange to be separately fixed on the mounting hole of two flange seats, so that X is to ultrasonic vibration installation (41), Y-direction ultrasonic vibration installation
(42) orthogonal and be fixed on being generally aligned in the same plane on coupling disc (5).
4. a kind of two dimensional ultrasonic vibration according to claim 1 assists fusion welding device, it is characterised in that: the coupling
It closes disk (5) and compound welding gun (3) is integrally formed.
5. a kind of two dimensional ultrasonic vibration according to claim 1 assists fusion welding device, it is characterised in that: the X
To energy converter (412) be PZT (piezoelectric transducer) or magnetostrictive transducer, the Y-direction energy converter (422) be PZT (piezoelectric transducer) or
Magnetostrictive transducer.
6. a kind of two dimensional ultrasonic vibration according to claim 1 assists fusion welding device, it is characterised in that: X is to luffing
The material of bar (413) is sintered steel, titanium alloy or aluminium alloy, and the material of Y-direction amplitude transformer (423) is sintered steel, titanium
Alloy or aluminium alloy.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821169592.XU CN208614052U (en) | 2018-07-18 | 2018-07-18 | A kind of two dimensional ultrasonic vibration auxiliary fusion welding device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821169592.XU CN208614052U (en) | 2018-07-18 | 2018-07-18 | A kind of two dimensional ultrasonic vibration auxiliary fusion welding device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857112A (en) * | 2018-07-18 | 2018-11-23 | 佛山科学技术学院 | A kind of two dimensional ultrasonic vibration auxiliary fusion welding device and method |
| CN111482679A (en) * | 2020-03-27 | 2020-08-04 | 江苏大学 | Ultrasonic vibration welding wire assisted gas shielded composite welding device and method |
| CN114700588A (en) * | 2022-03-04 | 2022-07-05 | 湘潭大学 | Welding seam identification method for controlling arc rotation through electric field |
| CN116100138A (en) * | 2022-12-28 | 2023-05-12 | 广东省科学院中乌焊接研究所 | Ultrasonic-assisted backfill type friction stir spot welding device and welding method |
-
2018
- 2018-07-18 CN CN201821169592.XU patent/CN208614052U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857112A (en) * | 2018-07-18 | 2018-11-23 | 佛山科学技术学院 | A kind of two dimensional ultrasonic vibration auxiliary fusion welding device and method |
| CN111482679A (en) * | 2020-03-27 | 2020-08-04 | 江苏大学 | Ultrasonic vibration welding wire assisted gas shielded composite welding device and method |
| CN114700588A (en) * | 2022-03-04 | 2022-07-05 | 湘潭大学 | Welding seam identification method for controlling arc rotation through electric field |
| CN114700588B (en) * | 2022-03-04 | 2023-07-18 | 湘潭大学 | Weld joint identification method for electric field to control arc rotation |
| CN116100138A (en) * | 2022-12-28 | 2023-05-12 | 广东省科学院中乌焊接研究所 | Ultrasonic-assisted backfill type friction stir spot welding device and welding method |
| CN116100138B (en) * | 2022-12-28 | 2023-07-28 | 广东省科学院中乌焊接研究所 | Ultrasonic-assisted backfill type friction stir spot welding device and welding method |
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