CN208262083U - A kind of big slab narrow gap vibratory laser-electric arc combined welder - Google Patents
A kind of big slab narrow gap vibratory laser-electric arc combined welder Download PDFInfo
- Publication number
- CN208262083U CN208262083U CN201820861740.8U CN201820861740U CN208262083U CN 208262083 U CN208262083 U CN 208262083U CN 201820861740 U CN201820861740 U CN 201820861740U CN 208262083 U CN208262083 U CN 208262083U
- Authority
- CN
- China
- Prior art keywords
- welding
- laser
- arc
- vibratory
- electric arc
- 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.)
- Active
Links
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model discloses a kind of big slab narrow gap vibratory laser-electric arc combined welders, including laser welding apparatus and arc-welding equipment, the laser welding apparatus includes laser, vibratory driver and the laser head being connected with laser by optical fiber, vibratory driver, by driving line to be connected, can drive laser head interior lens to vibrate with laser head；The welding gun of the arc-welding equipment is narrow gap arc welding gun.The utility model realizes vibratory laser beam by driving vibrator and laser head synergy, and by cooperating with narrow clearance welding gun, realizes the composite welding of vibratory laser beam and electric arc；The composite welding of vibratory laser beam and electric arc can change the relative position of laser and electric arc during composite welding by the vibration of laser, and pilot arc is swung in Narrow sloping-glot, to solve the problems, such as the sidewall fusion of weld seam, and improves the welding quality of connector.
Description
Technical field
The utility model relates to a kind of big slab narrow gap vibratory laser-electric arc combined welder, belong to laser processing,
Welding technology field.
Background technique
Big slab is usually used in the welding manufacture of the large thick-walls structure such as naval vessel, nuclear power, pressure vessel, if plate thickness is 60mm
The big thick plate structure of the huge vacuum chamber of stainless steel ITER, thickness be greater than 70mm the military phased-array radar substrate of aluminium alloy, nuclear power
316LN stainless steel major loop pipeline of the field wall thickness greater than 30mm and wall thickness are greater than the petroleum and natural gas transport pipeline of 15mm
Deng.Currently, the use of relatively broad welding method is electro-gas (enclosed) welding, submerged-arc welding etc., but there are the heat inputs excessive, weldering of these methods
The deficiencies of seam crystal particle is coarse, welding position is poor for applicability.
Narrow gap arc welding is a kind of efficient welding technique, and groove gap is generally less than base material plate thickness (according to Japan
Definition of the pressure vessel committee to narrow gap welding: when plate thickness is less than 200mm, groove gap should be not more than 20mm；Plate thickness is super
When crossing 200mm, groove gap is not more than 30mm), the general U-shaped or type I groove for using small―gap suture compares traditional welding method
It has the advantages such as welding efficiency is high, thermal weld stress is small, saving wlding when welding slab.But electric arc is in Narrow sloping-glot
In stability and the side wall incomplete fusion of weld seam be that narrow gap arc welding needs the problem that overcomes, generally using rotating the arc,
The mode of swing arc and Double Wire Welding solves, these methods propose the Machine Design and control of arc welding system higher
Requirement.
Laser-Arc Hybrid Welding gives full play to two kinds of heat sources respectively by the way that high energy laser beam to be added in arc welding
The characteristics of, obtain be better than single Laser Welding and arc welding welding effect, as bridging capability is strong, residual stresses and deformations are small,
Quality of weld joint height etc..In addition in the electric arc combined weldering of conventional laser-, the relative position of laser beam and electric arc is remained unchanged,
Attraction and compression using laser to electric arc, to obtain more stable welding process.Existing research uses narrow gap laser
The multi-layer multi-pass welding of optical-electronic arc Combined Welding completion heavy-plate joint, but the sidewall fusion of Narrow sloping-glot and welding point
Quality still need to further increase, especially for this material for being easy to appear the welding defects such as stomata, crackle of aluminium alloy.Cause
This, needs a kind of new big slab narrow gap laser-electric arc composite welding apparatus, solves narrow gap Laser-Arc Hybrid Welding and exists
The above problem occurred in big thick plates.
Utility model content
The goal of the invention of the utility model is to be swashed the shortcomings that overcoming existing narrow gap Laser-Arc Hybrid Welding using vibration
The mode that light beam is coupled with electric arc realizes the electric arc combined welding of vibratory laser-in big slab Narrow sloping-glot.Pass through laser
Vibration changes the relative position of laser and electric arc during composite welding, and pilot arc is swung in Narrow sloping-glot, with solution
The certainly sidewall fusion problem of weld seam, and improve the welding quality of connector.
The utility model realizes that its goal of the invention is adopted the technical scheme that: a kind of big slab narrow gap vibratory laser-
Electric arc combined welder, including laser welding apparatus and arc-welding equipment, are structurally characterized in that: the laser welding apparatus
Including laser, vibratory driver and the laser head being connected with laser by optical fiber, vibratory driver and laser head pass through drive
Moving-wire is connected, and laser head interior lens can be driven to vibrate；The welding gun of the arc-welding equipment is narrow gap arc welding gun.
Further, the welder further includes real-time monitoring device and control centre；The real-time monitoring device includes
The high-speed camera of the situation of observation welding in real time；The welding situation of observation is transferred to control centre by high-speed camera, in control
The communication connection of the vibratory driver and arc-welding equipment of the heart and laser welding apparatus.
Further, welding situation described in the utility model welder includes form and the position, electric arc of welding arc
The flowing and droplet transfer situation of effect, welding pool with side wall.
Compared with prior art, the utility model has the beneficial effects that
One, vibratory laser beam is realized by driving vibrator and laser head synergy, and by matching with narrow clearance welding gun
It closes, realizes the composite welding of vibratory laser beam and electric arc；Vibratory laser beam and narrow gap arc welding gun are on big slab narrow gap slope
Mouth is internal compound, and two heat sources act on a welding pool and complete to weld simultaneously.Welding direction can draw for laser pre-amplifier
It leads, or the preposition guidance of electric arc.Using laser to the sucking action of electric arc, pilot arc is in Narrow sloping-glot internal pendulum
It is dynamic, improve the sidewall fusion effect of weld seam, while accelerating the discharge of bubble in molten bath and homogenizing molten bath Elemental redistribution, improves
Weld quality.
Two, vibratory laser and electric arc is compound in Narrow sloping-glot, using laser aiming, control electric arc on narrow gap slope
Swing in mouthful, and by real-time monitoring, feedback welding situation, it is electric arc combined to be precisely controlled big slab narrow gap vibratory laser-
Welding process is conducive to the welding quality for improving big heavy-plate joint.
Three, vibratory laser beam is realized by driving vibrator and laser head synergy, and by matching with narrow clearance welding gun
It closes, that is, realizes the composite welding of vibratory laser beam and electric arc, it is at low cost, be conducive to industrial large-scale application.
The mode of vibration of vibratory laser beam can be selected according to the specific requirement of weldment material and welding, vibratory laser beam can be with
For linear oscillator laser beam or circular vibration laser beam, the mode of vibration of linear oscillator laser beam is suitable for wanting sidewall fusion
The material and connector asked, the mode of vibration of circular vibration laser beam are suitable for requiring sidewall fusion, and be easy to generate stomata,
The material and connector of the welding defects such as crackle.
The specific mode of vibration of linear oscillator laser beam is: using weld seam as symmetrical centre, laser is by the frequency of setting along vertical
Directly linear oscillator is carried out in the direction of welding.Such mode of vibration is suitable for the material and connector required to sidewall fusion.Circle
The specific mode of vibration of shape vibratory laser beam is: laser is pressed the frequency set and is carried out along by the circular trace of symmetrical centre of weld seam
Vibration.
Detailed description of the invention
Fig. 1 is that the big slab narrow gap vibratory laser of the utility model embodiment-electric arc combined welder is whole three-dimensional
Structural schematic diagram.
Fig. 2 is the big slab narrow gap vibratory laser of the utility model embodiment-electric arc combined welder welding portion
Perspective diagram.
Fig. 3 is the theory structure schematic diagram of arc-welding equipment.
Fig. 4 is the electric arc combined welding linear vibration laser of the big slab narrow gap vibratory laser-of the utility model embodiment
Beam schematic diagram.
Fig. 5 is circular vibration laser in the big slab narrow gap vibratory laser of the utility model embodiment-electric arc combined welding
Beam schematic diagram.
Specific embodiment
Embodiment
Fig. 1 and Fig. 2 shows a kind of specific embodiment of the utility model composite welding apparatus is: a kind of big slab is narrow
Interstitial vibration laser-arc hybrid welding in industry device, including laser welding apparatus and arc-welding equipment, are structurally characterized in that: institute
Laser head 11 and vibratory driver 14 that laser welding apparatus includes laser 10, is connected with laser 10 by optical fiber 13 are stated,
Vibratory driver 14, by driving line 15 to be connected, can drive 11 interior lens of laser head to vibrate, vibratory driver with laser head 11
The driving signal of 14 driving 11 interior lens of laser head vibrations is transmitted via driving line 15；The welding gun 21 of the arc-welding equipment
For narrow gap arc welding gun, welding wire is sent into Narrow sloping-glot bottom and the electricity that ignites by narrow gap arc welding gun 21 and ignition tip 23
Arc 22.
The welder further includes real-time monitoring device and control centre 40；The real-time monitoring device includes seeing in real time
Survey the high-speed camera of welding situation；There are two high-speed cameras, high-speed camera 31 and high-speed camera 32, high-speed camera
31 for observing the flowing and droplet transfer situation of welding pool, and high-speed camera 32 is used to observe form and the position of welding arc
It sets, the operative condition of droplet transfer and electric arc and side wall；The welding situation of observation is passed through 41 He of data line by high-speed camera
Data line 42 is transferred to control centre 40, and control centre 40 is logical by the vibratory driver 14 of control line 44 and laser welding apparatus
Letter connection controls vibratory driver 14 according to the welding situation of real-time monitoring and adjusts eyeglass vibration in laser head 12, to adjust
Mode of vibration, Oscillation Amplitude and the vibration frequency of the vibratory laser beam 12 of generation；Control centre 40 passes through control line 43 and electric arc
The arc welder and wire feeder of welding equipment communicate to connect, and control arc-welding equipment according to the welding situation of real-time monitoring
Arc welder adjusts welding current, weldingvoltage, and the wire feeder for controlling arc-welding equipment adjusts wire feed rate.
In Fig. 1 and Fig. 2,50 represent narrow gap welding test specimen, and 51 represent weld seam, and 20 represent the arc welding of arc-welding equipment
The set such as machine, wire feeder, protection gas cylinder, simplify herein, are only used for illustrating, and Fig. 2 only shows welding portion arrangement schematic diagram, saves
In omiting part, the vibratory drivers 14 such as laser 10, the arc welder of arc-welding equipment, wire feeder, protection gas cylinder, controlling
The parts such as the heart 40.
Fig. 3 is the principle assumption diagram that conventional arc welds equipment, and in figure, 29 be arc welder, and 30 be cable, and 24 be wire feed
Mechanism, 25 are rolled up for welding wire, and 26 be welding wire, and 27 be protection gas cylinder, and 28 be air duct.Welding gun 21 in Fig. 3 is ordinary arc weldering
Rifle, arc welding gun 21 is narrow gap arc welding gun in the utility model, so arc welding gun 21 and ignition tip in the utility model
It is different in 23 structures.
Fig. 4 is shown, a kind of mode of vibration of the utility model vibratory laser beam 12, i.e. linear oscillator laser beam, specific
Mode of vibration is: using weld seam as symmetrical centre, laser carries out linear oscillator along the direction perpendicular to welding by the frequency of setting.Such as
Shown in Fig. 4, the position of vibratory laser beam 12 is on welding piece surface, by the frequency of setting along the direction Y perpendicular to welding
Direction carries out linear oscillator.Such mode of vibration is suitable for the material and connector required to sidewall fusion.
Fig. 5 is shown, a kind of mode of vibration of the utility model vibratory laser beam 12, i.e. circular vibration laser beam, specific
Mode of vibration is: laser is vibrated by the frequency edge set by the circular trace of symmetrical centre of weld seam.As shown in figure 5, vibration
The position of dynamic laser beam 12 on welding piece surface, by the frequency set along using weld seam as the circular trace of symmetrical centre into
Row vibration.Such mode of vibration is suitable for requiring sidewall fusion, and is easy to generate the material of the welding defects such as stomata, crackle
And connector.
Claims (3)
1. a kind of big slab narrow gap vibratory laser-electric arc combined welder, including laser welding apparatus and arc welding are set
It is standby, it is characterised in that: the laser welding apparatus include laser (10), be connected by optical fiber (13) with laser (10) it is sharp
Bare headed (11) and vibratory driver (14), vibratory driver (14) by driving line (15) to be connected, can drive with laser head (11)
The vibration of laser head (11) interior lens；The welding gun (21) of the arc-welding equipment is narrow gap arc welding gun.
2. a kind of big slab narrow gap vibratory laser-electric arc combined welder according to claim 1, feature exist
In: the welder further includes real-time monitoring device and control centre (40)；The real-time monitoring device includes observation in real time
Weld the high-speed camera (31,32) of situation；The welding situation of observation is transferred to control centre by high-speed camera (31,32)
(40), the vibratory driver (14) and arc-welding equipment of control centre (40) and laser welding apparatus communicate to connect.
3. a kind of big slab narrow gap vibratory laser-electric arc combined welder according to claim 2, feature exist
In: the welding situation includes the form and position, the effect of electric arc and side wall, the flowing of welding pool and molten drop of welding arc
Transient condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820861740.8U CN208262083U (en) | 2018-06-05 | 2018-06-05 | A kind of big slab narrow gap vibratory laser-electric arc combined welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820861740.8U CN208262083U (en) | 2018-06-05 | 2018-06-05 | A kind of big slab narrow gap vibratory laser-electric arc combined welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208262083U true CN208262083U (en) | 2018-12-21 |
Family
ID=64689170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820861740.8U Active CN208262083U (en) | 2018-06-05 | 2018-06-05 | A kind of big slab narrow gap vibratory laser-electric arc combined welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208262083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788471A (en) * | 2018-06-05 | 2018-11-13 | 西南交通大学 | Big slab narrow gap vibratory laser-arc hybrid welding method and its welder |
-
2018
- 2018-06-05 CN CN201820861740.8U patent/CN208262083U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788471A (en) * | 2018-06-05 | 2018-11-13 | 西南交通大学 | Big slab narrow gap vibratory laser-arc hybrid welding method and its welder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108788471A (en) | Big slab narrow gap vibratory laser-arc hybrid welding method and its welder | |
| CN111716003B (en) | Aluminum alloy pulse laser-TIG electric arc composite additive manufacturing device and method | |
| CN104759740B (en) | Device and method for welding high steel grade and large wall thickness pipeline steel | |
| CN103862177B (en) | Laser-GMA arc composite heat source welding with filler wire method | |
| CN109604831B (en) | Laser TIG (tungsten inert gas) hybrid welding process for improving laser welding undercut of titanium and titanium alloy sheets | |
| CN105880852A (en) | Ultrasonically assisted pulse laser-MIG composite heat source welding device and welding method thereof | |
| CN107999962B (en) | A kind of method for laser welding of double CMT/ mariages CMT auxiliary | |
| CN104551403A (en) | Thick-plate narrow-gap laser scanning filler wire welding method | |
| CN106166645A (en) | A kind of electric arc combined welder of robotic laser and method | |
| CN107790886B (en) | Pulsed negative pressure formula laser enhancing KTIG and MIG composite welding apparatus and method | |
| CN111515541B (en) | Thick plate narrow gap laser-TIG composite filler wire welding device and method | |
| CN110961789A (en) | Laser scanning-vibration hot wire TIG (tungsten inert gas) hybrid welding method | |
| CN113070595B (en) | Narrow gap welding method assisted by alternative ultrasonic field | |
| CN110587138A (en) | Laser-electric arc hybrid welding method suitable for high-strength aluminum alloy flat welding | |
| CN108453388B (en) | Double-laser-induced arc penetration welding method and welding device for T-shaped structural part | |
| CN103128423A (en) | Laser tungsten inert gas (TIG) arc coaxial hybrid welding method with additional high frequency magnetic field and device | |
| CN106670649A (en) | Wire filling laser welding method | |
| CN104959702B (en) | Multifunctional electrolytic aluminium single-gap welding aluminum bus welder and welding technology thereof | |
| CN103143848A (en) | Vertical welding method for applying ultrasonic-arc hybrid | |
| CN110238487A (en) | A kind of the cut deal aluminium alloy deep penetration welding system and control method of view-based access control model sensing | |
| CN103831541A (en) | Laser and MIG electric arc compound welding method for high-strength steel butt joints | |
| CN102814577A (en) | Three-dimensional distribution two-arc welding method | |
| CN104308342B (en) | Center pulsed negative pressure arc-welding apparatus and method | |
| CN108356387B (en) | Welding pool stability regulation and control method based on double-arc vibration and application thereof | |
| CN109226968A (en) | A kind of method of sheet material double face narrow gap scanning galvanometer laser-MAG compound welding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |