CN203649660U - Laser electromagnetic pulse composite welding equipment - Google Patents
Laser electromagnetic pulse composite welding equipment Download PDFInfo
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- CN203649660U CN203649660U CN201320889167.9U CN201320889167U CN203649660U CN 203649660 U CN203649660 U CN 203649660U CN 201320889167 U CN201320889167 U CN 201320889167U CN 203649660 U CN203649660 U CN 203649660U
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Abstract
The utility model discloses laser electromagnetic pulse composite welding equipment comprising a laser, an electromagnetic pulse generator, a numerical control system, an optical transmission system and a laser electromagnetic pulse composite machining head. The laser is a solid laser or a gas laser. The optical transmission system connected with the laser and a laser focusing system is used for transmission of laser beams. The electromagnetic pulse generator is used for generating a pulse strong magnetic field. The laser electromagnetic pulse composite machining head is used for integrating the laser beams and the pulse strong magnetic field. The numerical control system connected with electrical signals of the laser and the electromagnetic pulse generator is used for controlling work of the laser and the electromagnetic pulse generator, so that the laser beams and the pulse strong magnetic field, emitted from the laser electromagnetic pulse composite machining head, together act on to-be-machined workpieces. The equipment enables structural deformation to be minimized, is improved in welding quality and machining efficiency, and helps to solve technical problems that cannot be overcome by a conventional welding technology used for manufacturing metal material structures.
Description
Technical field
The utility model belongs to solder technology, is specifically related to a kind of laser and electromagnetic pulse compound welding equipment, is particularly useful for the weldering of laser and electromagnetic pulsed reset chalaza and seam weldering of metal material thin-wall construction.
Background technology
Welding is the important manufacturing process of metal structure part, manufactures field extensive application at vehicle, Aero-Space, boats and ships, building, bridge, pressure vessel etc.Laser welding technology is to utilize the laser with high-energy-density characteristic to implement the method for welding as thermal source heat fused workpiece to be processed, have speed of welding fast, be out of shape little, joint quality good, heat affected area is little, and be applicable to various metal materials, and the series of advantages easily being automated, wherein the weldering of laser seam has become with laser spot welding technique the focus that current advanced manufacturing technology develops.Such as, in the fuselage manufacture of the types such as airbus A318, A340 and A380, adopt laser welding technology, not only greatly to simplify manufacturing process, and made fuselage loss of weight 18%, cost declines nearly 25%.In the manufacture of automobile body-in-white materials such as () mild steel, galvanized sheets, laser spot welding technique has become the first-selected technique that replaces riveted joint, resistance spot welding and electric arc spot welding.
Although the input of laser weld heat and heat affecting are much smaller than traditional electric resistance welding and technology of arc welding, but as a kind of welding process, its greatest problem is that the thermal deformation that heat input causes still exists, still have a strong impact under many circumstances member assembly precision and integrality performance of the structure, especially fatigue behaviour.Secondly, when the metal materials such as Laser Welding of Aluminum Alloys, magnesium alloy, titanium alloy, can cause laser aperture unstable in welding process because of the existence of material itself on the low side and low melting point, higher boiling alloying element to the absorptivity of laser, in some cases the problem of too fast, the alloying element high temperature evaporation of setting rate in addition.These problems cause welding point easily to form the metallurgical imperfections such as pore, crackle, cob webbing, have a strong impact on joint mechanical property.The research of having carried out shows, under single Laser Welding Condition, be sweating heat distortion or the metallurgical imperfection of lightweight welding laser joint all difficulty be effectively controlled.And, because heat continue accumulation and laser aperture among dynamic mobile, these adverse effects are more outstanding in laser stitches weldering continuously.Therefore, how improving the metallurgical behavior of laser weld and joint ess-strain distribution, improve joint microstructure performance and reduce malformation, is the key that promotes laser welding technology development.
Utility model content
The purpose of this utility model is to provide a kind of laser and electromagnetic pulse compound welding equipment, the utility model can improve laser energy utilizing rate, welding seam tissue capability is flowed, improves in strengthening molten bath, can also improve the stress distribution in laser beam welding, reduce malformation, thereby increase substantially weldquality, the structure accuracy of manufacture and working (machining) efficiency.
The laser and electromagnetic pulse compound welding equipment that the utility model provides, is characterized in that, comprises laser instrument, electromagnetic pulse generator, digital control system, optical transmission system and the compound processing head of laser and electromagnetic pulse;
Described laser instrument is solid state laser or gas laser, and described optical transmission system is connected with laser focusing system with laser instrument respectively, for the transmission of laser beam; Described electromagnetic pulse generator is for generation of impulse magnetic field, and the compound processing head of described laser and electromagnetic pulse is for integrated laser bundle and impulse magnetic field; Described digital control system is connected with the signal of telecommunication of laser instrument and electromagnetic pulse generator respectively, be used for controlling laser instrument and electromagnetic pulse generator work, make by laser and electromagnetic pulse compound processing head emitting laser bundle and impulse magnetic field acting in conjunction on workpiece to be processed.
The compound processing head of described laser and electromagnetic pulse comprises laser focusing system, composite welding apparatus for adjusting position and electromagnetic switching device, electromagnetic switching device middle part is provided with the through hole passing for laser beam, laser focusing system is for the focusing of laser beam, one end of described composite welding apparatus for adjusting position is fixedly mounted in laser focusing system, the movable electromagnetic switching device of installing of the other end, electromagnetic switching device can move to regulate the spacing between itself and workpiece to be processed by composite welding apparatus for adjusting position.
As the further improvement of above-mentioned laser and electromagnetic pulse compound welding equipment technical scheme, the type of focusing of described laser focusing system is that laser galvanometer scanning focuses on, or lens focus, or bronze mirror reflect focalization.The described laser galvanometer scanning type of focusing can realize the rapid scanning of laser beam on workpiece to be processed surface by the deflection of optical mirror slip in vibration mirror scanning mirror group, controls weld seam pattern and microstructure.
As the above-mentioned further improvement about laser and electromagnetic pulse compound welding equipment technical scheme; can install electric arc thermal source additional as secondary thermal source on described laser thermal source side; composition welding efficiency is higher, defect laser-arc hybrid welding in industry method still less improves weldquality, and the electric arc heat resource form adopting comprises inert gas argon tungsten-arc welding (TIG), consumable electrode inertia/active gas shielded arc welding (MIG/MAG), submerged-arc welding etc.
As the above-mentioned further improvement about laser and electromagnetic pulse compound welding equipment technical scheme, can be in the other packing material system that installs additional of described laser focusing system, packing material adds with the form of film, powder or silk material.
As the above-mentioned further improvement about laser and electromagnetic pulse compound welding equipment technical scheme, described electromagnetic switching device comprises collection chinaware and electromagnetic pulse coil; Integrate chinaware as hollow structure, electromagnetic pulse mounting coil is on collection chinaware.
The utility model utilizes the interaction of impulse magnetic field and laser beam welding or weld seam, can overcome the shortcoming of existing laser welding apparatus, realizes metal material, especially the high efficiency of thin-wall construction, high accuracy and high-quality manufacture.Particularly, the utlity model has following technique effect:
(1) the utility model in welding process or postwelding there is the interaction of impulse magnetic field and laser photo plasma, welding pool flow field, weld stress strain field, and form thus a series of new effects, new mechanism, and the processing effect, the Weld seam quality control that is difficult to overcome while solving existing method for laser welding processing metallic and the malformation problem that strengthen.
(2) the utility model can be by regulating impulse electromagnetic field inducing intensity and direction, control the direction of motion of the photo plasma that forms in laser beam welding, make it depart from laser incidence point, thereby reduce the screen effect of photo plasma to laser, improve utilization ratio and the process stability of laser energy.Be compared to existing method for laser welding, laser energy utilizing rate of the present utility model can improve 10-30%.
(3) magnetic force induced electricity that impulse magnetic field of the present utility model produces can drive liquid metal in molten bath in welding process, and produce along the directed flow of magnetic direction, existingly this mobile meeting and molten bath in interact by the power-actuated molten baths of effect such as surface tension, gravity, plasma impulse force are mobile.By regulating magnetic induction intensity and direction, thisly flow and can strengthen the laser weld molten bath agitation effects that flows by the controlled molten bath of the direction and intensity of magnetically-actuated induced electricity, and make it ordering after the effect of offsetting the driving forces such as surface tension, gravity, plasma impulse force, thereby optimize metallurgical process and the solidification and crystallization behavior of welding pool.Again in conjunction with laser-arc hybrid welding in industry method, can bring into play the advantage that its fusion penetration is large, welding quality is good, overcome due to the high problem such as grain coarsening, welding deformation causing of composite welding heat input simultaneously, reach and improve appearance of weld, homogenising microstructure, crystal grain thinning, reduces weld seam metallurgical imperfection (pore, central pipe, crackle) and improves the object of joint mechanical property.
(4) the utility model equipment can be in laser beam welding, the electromagnetic force forming on workpiece to be processed surface by impulse magnetic field makes joint and peripheral region generation plastic deformation thereof, change the noncompatible strain producing in welding process, the stress distribution of homogenising joint area, concentrate and malformation degree thereby reduce the stress forming because of sweating heat stress effect, and improve joint fatigue strength.Particularly the utility model can reach above-mentioned processing effect fast and accurately with online mode, be much better than such as hammering, mechanical oscillation, postheating (statutes of limitations), heat treatment etc. in traditional welding and take time and effort, and the off-line type welding stress removing method of large-scale component operating difficulties.
(5) equipment described in the utility model can adopt the vibration mirror scanning type of focusing, or utilize laser focusing system to move up and down to change along Z axis (perpendicular to the direction on workpiece to be processed surface) the laser facula size that acts on workpiece to be processed surface in welding process, can be according to the weld seam area at the process requirements design solder joint shape of parts and overlap joint interface for spot-welding technology, be conducive to improve weld properties, particularly fatigue behaviour.Can improve the tolerance to butt welding fit-up gap for stitching Welding, improve welding process technology stability.
(6) the utility model is for spot-welding technology, can substitute conventional riveted joint and resistance spot welding process, working (machining) efficiency improves 5～10 times than riveting process, improves 2～3 times than resistance spot welding, the intensity of gained point welding line is better than riveting process, and malformation can be effectively controlled.Compare with existing laser spot welding technique, the intensity (comprising the tensile strength of tensile shear strength and the banjo fixing butt jointing of lap joint) of of the present utility model some welding line improves more than 20%, and fatigue strength improves more than 30%.The utility model is used for stitching Welding, compares with existing method for laser welding, and joint tensile strength improves more than 10%, and fatigue strength improves more than 20%.
(7) the utility model is applicable to the most metal materials including aluminium alloy, magnesium alloy, titanium alloy, high temperature alloy, steel; Not only can be used for processing regular cylinder, flat thin wall construction element, also can be used for the welding manufacture of the complex-curved structure such as ellipse, automobile body-in-white.
(8) laser and electromagnetic pulse compound welding equipment can significantly alleviate architecture quality, simplification of flowsheet, improve crudy and production efficiency, reduce manufacturing cost, labour intensity and noise pollution, it is the advanced manufacturing technology of a kind of environmental protection, high-efficiency cleaning, can meet the active demands of field to structure lightweight, green manufacturing such as current Aero-Space, vehicle manufacture, space technology, be one of optimal selection replacing riveting technology.
Accompanying drawing explanation
The structural representation (spot welding) of the laser and electromagnetic pulse compound welding equipment that Fig. 1 provides for the utility model.
The structural representation (seam weldering) of the laser and electromagnetic pulse compound welding equipment that Fig. 2 provides for the utility model.
Fig. 3 is the laser and electromagnetic pulsed reset chalaza weldering schematic diagram that adopts the laser galvanometer scanning type of focusing.
Fig. 4 is the laser and electromagnetic pulsed reset joint close weldering schematic diagram that adopts the laser galvanometer scanning type of focusing.
Fig. 5 is the laser and electromagnetic pulsed reset chalaza weldering schematic diagram that adopts transmission focusing mode.
Fig. 6 is the laser and electromagnetic pulsed reset joint close weldering schematic diagram that adopts transmission focusing mode.
Fig. 7 is the laser and electromagnetic pulsed reset chalaza weldering schematic diagram that adopts bronze mirror reflect focalization mode.
Fig. 8 is the laser and electromagnetic pulsed reset joint close weldering schematic diagram that adopts bronze mirror reflect focalization mode.
Fig. 9 is the laser and electromagnetic pulsed reset chalaza weldering schematic diagram that adopts laser-arc hybrid welding in industry technique.
Figure 10 is the laser and electromagnetic pulsed reset joint close weldering schematic diagram that adopts laser-arc hybrid welding in industry technique.
Figure 11 is the processing effect figure of existing laser seam-welding equipment.
The processing effect figure of the laser and electromagnetic pulsed reset joint close soldering equipment that Figure 12 provides for the utility model.
Figure 13 is cylindrical structure part laser and electromagnetic pulsed reset chalaza soldering equipment schematic diagram.
Figure 14 is slab construction part laser and electromagnetic pulsed reset chalaza soldering equipment schematic diagram.
Figure 15 is the laser and electromagnetic pulsed reset joint close soldering equipment schematic diagram for girth welding.
In figure, 1. laser instrument, 2. electromagnetic pulse generator, 3. digital control system, 4. optical transmission system, 5. the compound processing head of laser and electromagnetic pulse, 51. laser focusing systems, 511. laser galvanometer scanning focus lamp groups, 512. lens focus mirror groups, 513. bronze mirror reflect focalization mirror groups, 52. composite welding apparatus for adjusting position, 53. electromagnetic switching devices, 531. collection chinawares, 532. electromagnetic pulse coils, 54. arc welding guns, 6. laser beam, 7. clamping device, 8. packing material, 9. workpiece to be processed, workpiece to be processed after 91. existing laser spot welding processes, workpiece to be processed after 92. laser and electromagnetic pulsed reset chalaza Welding processing, workpiece to be processed after 93. existing laser seam Welding processing, workpiece to be processed after 94. laser and electromagnetic pulsed reset joint close Welding processing, 10. laser spot welding weld seam, 101. penetration point welding lines not, 102. full penetration point welding lines, 11. spot welding impulse magnetic field active regions, 12. machining tools, 13. laser seam welds, 131. penetration seam welds not, 132. full penetration seam welds, 14. seam weldering impulse magnetic field active regions.
The specific embodiment
Impulse magnetic field forming technique is to utilize impulse magnetic field to carry out the novel high-energy rate processing method of metal material Plastic Forming processing: shaping processing head is suspended in workpiece to be processed top, in the time that passing through the coil of processing head inside, pulse current produces impulse magnetic field, cause the inner eddy current magnetism of inducting that forms of metal workpiece to be processed, and then form electromagnetic force to realize the plastic working to metal material in workpiece to be processed inside.The transient peak pressure that pulse-electromagnetic force produces workpiece to be processed surface can reach nearly 400MPa, and in deformed area, the speed of metal flow can reach 300m/s, is the high moulding processing method of a kind of efficiency.Because above-mentioned technical characterstic, impulse magnetic field forming technique can realize on-line machining and the school shape of metal material.
Laser weld and electromagnetic pulse forming technology itself are two independent techniques, and within Parallel Development twenty or thirty year so far, both make great progress in field separately.But, after these two kinds of techniques of laser weld and electromagnetic pulse forming combine, between exist a series of new effects and new role mechanism, and thus form strengthen processing effect also lack understanding.The utility model is just based on test discovery, theoretical research and engineering practice, provide one to be applicable to metal material, especially the compound Welding Method & Equipment of laser and electromagnetic pulse of thin-wall construction, the engineering problem being faced to solve current welding procedure, realizes high-quality, high efficiency and the precision welding processing of metal material.
As shown in Figure 1 and Figure 2, laser and electromagnetic pulse compound welding equipment described in the utility model comprises laser instrument 1, electromagnetic pulse generator 2, digital control system 3, optical transmission system 4, the compound processing head 5 of laser and electromagnetic pulse.
Described laser instrument 1 is solid state laser or gas laser, for generation of laser beam 6.Described optical transmission system 4 is Transmission Fibers or the light-conducting system that is made up of eyeglass, and they are connected with laser focusing system 51 with laser instrument 1 respectively, for the transmission of laser beam.Described electromagnetic pulse generator 2 is for generation of impulse magnetic field.Described digital control system 3 is connected with the signal of telecommunication of laser instrument 1 and electromagnetic pulse generator 2 and machining tool respectively, for the opening and closing of these equipment, and the setting of technological parameter and program composition.The compound processing head 5 of described laser and electromagnetic pulse, for integrated laser bundle and impulse magnetic field, makes both act on same position, can regulate by composite welding apparatus for adjusting position 52 spacing on electromagnetic switching device 53 and workpiece to be processed 9 surfaces.
When work, the compound processing head of laser and electromagnetic pulse or workpiece to be processed are arranged on described machining tool, to adjust the displacement between the compound processing head of laser and electromagnetic pulse and workpiece to be processed.
Can adopt dissimilar machining tool according to actual conditions, be connected with the compound processing head 5 of laser and electromagnetic pulse, clamping device 7 and workpiece to be processed 9 respectively, be controlled three's position by digital control system 3 and move.
As the above-mentioned improvement about laser and electromagnetic pulse compound welding equipment technical scheme, the compound processing head 5 of described laser and electromagnetic pulse adopts integrated structure design, comprises laser focusing system 51, composite welding apparatus for adjusting position 52 and electromagnetic switching device 53; Electromagnetic switching device 53 middle parts are provided with through hole, and laser beam can act on workpiece to be processed through this through hole.Described laser focusing system 51 is for the focusing of laser beam, can choose laser galvanometer scanning mirror group 511 as shown in Figure 3, Figure 4 according to welding requirements, or project as shown in Figure 5, Figure 6 focus lamp group 512, or transmitting focusing mirror group 513 as shown in Figure 7, Figure 8.Laser focusing system 51 is fixedly mounted on one end of composite welding apparatus for adjusting position 52, and electromagnetic switching device 53 is movably arranged on composite welding apparatus for adjusting position 52.
Described composite welding apparatus for adjusting position 52 is for controlling the spacing that move up and down regulate itself and workpiece to be processed 9 surfaces of electromagnetic switching device 53 along Z axis (perpendicular to the direction on workpiece to be processed surface), thereby adjust impulse magnetic field and act on the size of the electromagnetic force on workpiece to be processed, can also regulating action in welding process in the size of the laser facula on workpiece to be processed surface.Composite welding apparatus for adjusting position 52 can adopt the Z axis travel mechanism of the forms such as cylinder, screw mandrel, rack-and-pinion to carry out the movement of implement device, but is not limited to these forms.
Described electromagnetic switching device 53 is for being high-intensity magnetic field by current conversion, and it comprises collection chinaware 531 and electromagnetic pulse coil 532.Electromagnetic pulse coil 532 produces impulse magnetic field by coil current.Collection chinaware 531, for the installation of electromagnetic pulse coil 532, produces induced current simultaneously therein, strengthening pulsed magnetic field.Integrate chinaware 531 as hollow structure, laser beam 6 can weld through its hollow space.
As the above-mentioned improvement about laser and electromagnetic pulse compound welding equipment technical scheme, can select laser-arc hybrid welding in industry device as shown in Figure 9, Figure 10.In the utility model implementation process, arc welding gun 54 is for improving weldquality with the compound formation laser-arc hybrid welding in industry of laser beam method, and described arc welding gun 54 is for generation of electric arc, and it is fixedly mounted on the compound processing head of laser and electromagnetic pulse.
In the utility model implementation process, clamping device 7 is for positioning and clamping workpiece to be processed, and it can be used alone; Also can be arranged on machining tool, by digital control system 3 and its motion of machining tool control.Complete after workpiece to be processed positioning and clamping, recycling the utility model device carries out laser and electromagnetic pulse composite welding.
While using the utility model equipment to carry out laser and electromagnetic pulse composite welding, be laser instrument to be produced to laser beam be applied to and on workpiece to be processed, form laser photo plasma and welding pool; Impulse magnetic field puts on welding pool and peripheral region thereof in welding process, and the stress-strain field of laser photo plasma, welding pool flow field, welded seam area interacts, and implements weld task by many coupling effects.Now, impulse magnetic field can be controlled the photic isoionic direction of motion of laser, makes it depart from laser incidence point, eliminates the screen effect of photo plasma to laser beam, improves the energy utilization efficiency of laser beam; Can strengthen flowing of liquid metal in molten bath, make the molten bath ordering of flowing, thereby improve the solidification and crystallization behavior of weld seam, optimize appearance of weld, crystal grain thinning also suppresses weld defect (pore, central pipe, crackle etc.), improves weld properties; Can also form electromagnetic force on workpiece to be processed surface, make weld seam and peripheral region generation plastic deformation thereof, suppress the noncompatible strain producing in welding process, homogenising weld stress distribution, reduces the stress producing because of sweating heat stress effect and concentrates and malformation.
In the specific delays time that the utility model equipment can also laser weld have just completed, start and apply impulse magnetic field in solid-state welded seam area.When for laser spot welding, laser beam is applied on workpiece and forms some welding line, starts and apply impulse magnetic field in solid-state welded seam area in the specific delays time then just having completed in laser spot welding technique, finally completes weld task.When for the weldering of laser seam, laser beam is applied to and on workpiece, forms welding point, impulse magnetic field puts on the welding point and the peripheral region thereof that have solidified within the specific delays time, the length of time delay depends on two parameters, the one, and strong magnetic field action district and laser beam level interval obtain divided by speed of welding; The 2nd, according to welding point cooling procedure, the rule that affects of characteristics of organizational structure is determined the compression maximum that the stress effect of high-intensity magnetic field can be produced in weld seam and heat affected area.The main purpose of this technical scheme is that the compression of utilizing impulse magnetic field to produce at surface of the work makes to solidify joint and peripheral region generation plastic deformation thereof, discharges residual stress, thereby the stress of reduction structural member is concentrated and deformation extent.This technical scheme can be after welding completes, reduce rapidly and accurately or eliminate the stress concentration degree in welding point region with online mode, reduce malformation and improve joint fatigue strength, be much better than such as hammering, mechanical oscillation, postheating (statutes of limitations), heat treatment etc. in traditional welding and take time and effort, and the off-line type welding stress removing method of large-scale component operating difficulties.
The utility model equipment is that method for laser welding and impulse magnetic field processing technology are combined, and improves the utilization ratio of laser energy by both interactions, flows by strengthening molten bath, improves weldquality and working (machining) efficiency; Particularly importantly, by controlling ess-strain and the residual stress distribution state of welded seam area, reduce malformation, form the processing effect that is much better than existing single technique.
Figure 11 is the processing effect figure of existing laser welding apparatus, and Figure 12 is the processing effect figure of laser and electromagnetic pulsed reset joint close soldering equipment.Contrasting two figure can see, because sweating heat stress, adopt the workpiece to be processed 93 after the processing of existing laser seam Welding to have obvious distortion, adopt the workpiece to be processed 94 of laser and electromagnetic pulsed reset joint close Welding processing to be consistent in physical dimension and before processing, be not almost out of shape; Secondly, can form an impulse magnetic field active region 14 in laser seam welding 13 neighboring area.
The process that equipment described in the utility model carries out laser spot welding work is:
The 1st step, utilizes clamping device 7 positioning and clamping workpieces to be processed 9, utilizes digital control system 3 and machining tool 12 to move the compound processing head 5 of laser and electromagnetic pulse to welding position
The 2nd step, by digital control system 3 setting laser power, single-point weld interval, laser spot diameter, laser beam spacing, magnetic induction intensity and the pulsewidth along the amplitude of oscillation, solder joint shape, electromagnetic switching device and the workpiece to be processed surface of radial direction on workpiece to be processed surface.
The 3rd step, opens laser instrument 1 and electromagnetic pulse generator 2 according to above-mentioned setup parameter, produces laser beam and impulse magnetic field, implements the weldering of laser and electromagnetic pulsed reset chalaza, and completes weld task.
The process that equipment described in the utility model carries out laser seam welder work is:
The 1st step, utilizes clamping device 7 clamping workpieces to be processed 9, utilizes digital control system 3 and machining tool 12 to move the compound processing head 5 of laser and electromagnetic pulse to welding position.
The 2nd step, laser spot diameter by digital control system 3 setting laser power, speed of welding, workpiece to be processed surface, laser beam are along vertical interval, magnetic field intensity and the pulsewidth on the amplitude of oscillation, electromagnetic switching device and the workpiece to be processed surface of radial direction.
The 3rd step, opens laser instrument 1 and electromagnetic pulse generator 2 according to above-mentioned setup parameter, produces laser beam and impulse magnetic field, and laser beam and impulse magnetic field act on same position, until complete weld task.
In order to facilitate the processing of difformity workpiece to be processed, the structure of the utility model device can be done adaptive variation, and Figure 13-15 have been enumerated wherein several.
As shown in figure 13, cylindrical structure part laser and electromagnetic pulsed reset chalaza soldering equipment schematic diagram, can adopt specific clamping device 7 and machining tool 12 according to processed cylindrical structure, clamping device 7 is divided into inside and outside two parts and is connected with machining tool 12, be placed in respectively the inside and outside both sides of the seam that cylindrical structure part need to connect, and exert pressure and make position to be welded smooth.The movement of putting by machining tool 12 control point welding positions, completes cylindrical structure part spot weld operation by the compound processing head 5 of laser and electromagnetic pulse.
Be slab construction part laser and electromagnetic pulsed reset chalaza soldering equipment schematic diagram as shown in figure 14, adopt clamping device 7 independent clamping workpiece to be processed 9, control the compound processing head 5 of laser and electromagnetic pulse and moved the spot weld operation of slab construction part by machining tool 12 above workpiece to be processed.
Be the laser and electromagnetic pulsed reset joint close soldering equipment schematic diagram for girth welding as shown in figure 15, compress workpiece to be processed 9 to be welded by clamping device 7, machining tool 12 is connected with clamping device 7, in welding process, can make clamping device 7 and workpiece to be processed 9 rotate simultaneously, complete girth welding operation by the compound processing head 5 of laser and electromagnetic pulse.
Above-described embodiment is preferred embodiments of the present utility model, but embodiment of the present utility model is not restricted to the described embodiments.Other is any does not deviate from change, modification that the utility model Spirit Essence and principle make, substitute, combination, simplify, and all should be considered as equivalent replacement mode, within being included in the utility model protection domain.
Claims (6)
1. a laser and electromagnetic pulse compound welding equipment, comprises laser instrument, electromagnetic pulse generator, digital control system, optical transmission system and the compound processing head of laser and electromagnetic pulse;
Described laser instrument is solid state laser or gas laser, and described optical transmission system is connected with laser focusing system with laser instrument respectively, for the transmission of laser beam; Described electromagnetic pulse generator is for generation of impulse magnetic field, and the compound processing head of described laser and electromagnetic pulse is for integrated laser bundle and impulse magnetic field; Described digital control system is connected with the signal of telecommunication of laser instrument and electromagnetic pulse generator respectively, be used for controlling laser instrument and electromagnetic pulse generator work, make by laser and electromagnetic pulse compound processing head emitting laser bundle and impulse magnetic field acting in conjunction on workpiece to be processed.
2. laser and electromagnetic pulse compound welding equipment according to claim 1, it is characterized in that, the compound processing head of described laser and electromagnetic pulse comprises laser focusing system, composite welding apparatus for adjusting position and electromagnetic switching device, electromagnetic switching device middle part is provided with the through hole passing for laser beam, laser focusing system is for the focusing of laser beam, one end of described composite welding apparatus for adjusting position is fixedly mounted in laser focusing system, the movable electromagnetic switching device of installing of the other end, electromagnetic switching device can move to regulate the spacing between itself and workpiece to be processed by composite welding apparatus for adjusting position.
3. laser and electromagnetic pulse compound welding equipment according to claim 2, is characterized in that, described electromagnetic switching device comprises collection chinaware and electromagnetic pulse coil; Integrate chinaware as hollow structure, electromagnetic pulse mounting coil is on collection chinaware.
4. laser and electromagnetic pulse compound welding equipment according to claim 2, is characterized in that, the type of focusing of described laser focusing system is laser galvanometer scanning focusing, lens focus or bronze mirror reflect focalization; Described laser focusing system and electromagnetic switching device adopt coaxial or paraxonic design.
5. laser and electromagnetic pulse compound welding equipment according to claim 2, is characterized in that, it also comprises the other electric arc thermal source installing additional of described laser beam thermal source, and thermal source is as secondary thermal source.
6. according to arbitrary described laser and electromagnetic pulse compound welding equipment in claim 1 to 5, it is characterized in that, described workpiece to be processed is cylindrical structure, and clamping device is divided into inside and outside two parts and is connected with machining tool, is placed in respectively the inside and outside both sides of the seam that cylindrical structure part need to connect.
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| CN201320889167.9U CN203649660U (en) | 2013-12-30 | 2013-12-30 | Laser electromagnetic pulse composite welding equipment |
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| CN201320889167.9U CN203649660U (en) | 2013-12-30 | 2013-12-30 | Laser electromagnetic pulse composite welding equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737176A (en) * | 2013-12-30 | 2014-04-23 | 华中科技大学 | Hybrid welding method and hybrid welding equipment for laser electromagnetic pulse |
| CN105798425A (en) * | 2016-03-28 | 2016-07-27 | 南昌航空大学 | System for controlling TIG welding residual stress through additional magnetic field device |
| CN108581194A (en) * | 2018-06-28 | 2018-09-28 | 广东正业科技股份有限公司 | A kind of method and apparatus of removal plasma cloud |
| CN114083085A (en) * | 2021-11-24 | 2022-02-25 | 吉林大学 | Method for manufacturing magnesium alloy component by electric pulse synchronous treatment and electric arc additive manufacturing |
-
2013
- 2013-12-30 CN CN201320889167.9U patent/CN203649660U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737176A (en) * | 2013-12-30 | 2014-04-23 | 华中科技大学 | Hybrid welding method and hybrid welding equipment for laser electromagnetic pulse |
| CN105798425A (en) * | 2016-03-28 | 2016-07-27 | 南昌航空大学 | System for controlling TIG welding residual stress through additional magnetic field device |
| CN108581194A (en) * | 2018-06-28 | 2018-09-28 | 广东正业科技股份有限公司 | A kind of method and apparatus of removal plasma cloud |
| CN114083085A (en) * | 2021-11-24 | 2022-02-25 | 吉林大学 | Method for manufacturing magnesium alloy component by electric pulse synchronous treatment and electric arc additive manufacturing |
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