CN101823185A - Method and device for manufacturing multilayer composite metal plate by utilizing laser pressure welding - Google Patents
Method and device for manufacturing multilayer composite metal plate by utilizing laser pressure welding Download PDFInfo
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- CN101823185A CN101823185A CN 200910300725 CN200910300725A CN101823185A CN 101823185 A CN101823185 A CN 101823185A CN 200910300725 CN200910300725 CN 200910300725 CN 200910300725 A CN200910300725 A CN 200910300725A CN 101823185 A CN101823185 A CN 101823185A
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Abstract
The invention belongs to the technical field of composite metal plate manufacture, and discloses a method and a device for manufacturing a multilayer composite metal plate by utilizing laser pressure welding. A laser beam (1) is focused into linear faculae by utilizing a cylindrical focusing mirror (3), the focused linear faculae are guided to a welding region, the welding region is a wedge-shaped region formed in the way that two compounded pieces (4) and (5) bend and deform under the pressure actions of a fixed pressure roller (6) and a movable pressure roller (7), the linear laser beam is driven to reciprocate in the axial direction of the pressure rollers by a moving head (2), and the proper reciprocating speed of the moving head (2) in the axial direction of the pressure rollers is selected to combine with the rotating speeds of the two pressure rollers (6) and (7) to realize the laser pressure composite welding of the compounded pieces (4) and (5) under the actions of proper pressure and position of the movable pressure roller (7). When in use, the invention has high laser welding efficiency, small deformation and good reachability, is not interfered by electromagnetism, does not need vacuum and does not generate an X-ray.
Description
Technical field
The invention belongs to clad metal sheet manufacturing technology field, specifically is a kind of method and device that utilizes laser pressure welding to make multilayer composite metal plate.
Background technology
Along with the appearance of the development of modern industrial technology and various new technology, new industry, people increase day by day to the requirement of material property, and the performance of monolayer material has been difficult to meet the demands under some working condition.By various different methods of attachment with different metal material compound be one, be prepared into composite metal plate, obtain physics, chemical property and mechanical characteristic that the single-layer metal material is not had, satisfy performance demands such as high strength, high specific stiffness, fatigue resistance, dimensionally stable, wear-resisting, antivibration, save simultaneously rare your material greatly, reduce cost, be widely used in fields such as chemical industry, electric power, machinery, boats and ships, aviation.
For example, require to possess the pressure vessel of resistance to corrosion, suitable to adopt stainless steel to be fabricated to, but cost is higher.If adopt common straightcarbon steel and the compound composite plate that forms of stainless steel to make this class pressure vessel, the thickness of corrosion resistant plate only is required to be the 2%-10% of integral thickness, has so not only reached the corrosion resistance of pressure vessel, and greatly reduces cost.In addition, for expensive rare metals such as copper, nickel, chromium, zirconium, titaniums, if use bilayer or multilayer materials then can save resource greatly.
Therefore, research has become important developing direction in the Materials Science and Engineering field with the preparation advanced composite material (ACM), develops the novel metal based composites and has very urgent realistic meaning, also will bring remarkable economic efficiency and social benefit.
Explosive welding, rolling, blast+roll-bonding method are the production methods of present 3 kinds of main layer metal composite plates.
Exploding compound is that substrate is lain on the smooth firm workbench, complex laminate is placed at a certain angle the top of basal plate, and explosive is arranged in complex laminate top, for preventing that thin complex laminate from damaging, usually between explosive and complex laminate, fill up the buffer board of last layer metal or other material.The high-strength chemical energy that produces by ignition charge drives complex laminate to the extremely strong high speed angular impact of basal plate generation, the instantaneous pressure that the point of impingement produces has not only destroyed the oxide film on metallic plate top layer, exposed fresh surface, and formed the welding transition district that skim has plastic deformation, fusing, diffusion and wave character on the fresh metal surface exposing, the interface reaches interatomic combination between two plates thereby make, and reaches the composite with certain shear strength.
Roll-bonding method is meant that metallic plate is being subjected under the effect that milling train is applied thereto crunch, double layer of metal treat composite surface generation plastic deformation, surface metal-layer is broken.Subsequently, clean and metal level activation exposes from the metal surface of breaking, under the crunch effect, form plane metallurgical binding.Faying face continues to enlarge in follow-up heat treatment process, forms firm combination.Rolling fundamental difference compound and that the monometallic plate is rolling is, must impose big initial reduction in pass, impels the physics contact of composite surface.It is rolling that compound can be divided into hot rolling again compound and cold rolling compound.
Thin for producing (≤6mm) with to the higher layer metal composite plate of surperficial quality requirement difficulty relatively then; Though roll-bonding method can be produced different-thickness and the higher laminated composite plate of surface quality, the constituent element composition and the width of composite plate are subjected to the mill milling capabilities limits.After the pluses and minuses of comprehensive these the two kinds of production methods of people, adopt the blast composite algorithm,,, be rolled into required composite metal plate by hot rolling or cold rolling or hot rolling+cold rolling technology again according to different requirements promptly earlier by the thicker composite plate blanks of blast composite algorithm preparation.
The manufacture method of above-mentioned three kinds of composite plates all exists some common shortcomings or shortcoming separately: 1. above-mentioned three kinds of complex methods all can not serialization production, can only single-piece production, and efficient is very low.2. the compound influence factor of exploding is very complicated, the selection of angle when placing as the model of explosive and quantity, complex laminate and basal plate and spacing, padded coaming etc.Therefore, be difficult to predict the influence of each factor, be difficult to standardization control explosion cladding process, be difficult to a large amount of productions.
3. the rolling compound rolling equipment that needs complex and expensive.
Laser welding technology is to work a kind of advanced person's who grows up welding method the sixties in 20th century, compare with traditional welding method, laser weld efficient height, the distortion little, accessibility is good, is not subjected to electromagnetic interference, does not need vacuum, does not produce X ray.Particularly along with laser output power (according to reports, but the optical fiber laser power of practical application at present can reach 20,000 W), the continuous development of beam quality, for laser technology in the continuous new field of developing of the application aspect the materials processing, make and utilize laser technology to make the multiple layer metal sandwich plate to become possibility.
Summary of the invention
The object of the present invention is to provide a kind of laser pressure welding of making multi-layer metal composite plate that is applicable to connect method.This method imports the wedge shape weld zone by specific optical system laser focusing hot spot and with linear beam spot, utilize the Brewster effect of polarised light, improve the absorption efficiency of metal sheet to laser, by means of the pressure of roller together with two-layer or multilayer plate stitch welding, realize the composite welding of multiple layer metal plate, this method is applicable to the manufacturing of different thicknesss of slab, multi-layer metal composite plate.
Concrete scheme of the present invention is:
A kind of method of utilizing laser pressure welding to make multilayer composite metal plate, the linear beam spot that utilizes cylindrical focusing mirror 3 to be focused into after linear beam spot also will focus on laser beam 1 guides to the weld zone, described weld zone is by compound sheet 4 and 5 wedge areas that flexural deformation forms under the pressure effect of fixation pressure roller 6 and movable pressure roller 7 by two, slip-on head 2 drive laser beams wheel pressing shaft to direction move back and forth, slip-on head 2 wheel pressing shaft to reciprocating motion and the rotation of two pressure wheel 6 and 7 combination, realize by the laser pressure composite welding of compound sheet 4 and 5; Utilize the Brewster effect of polarised light, regulate the incident angle of laser beam, improve by the absorption efficiency of compound sheet 4 and 5 pairs of laser.
The present invention also discloses a kind of device of realizing the described method of claim 1, comprise laser beam 1, slip-on head 2, cylindrical focusing mirror 3, fixation pressure roller 6 and movable pressure roller 7, described cylindrical focusing mirror 3 focussed laser beams, 1 linear hot spot also guides to the weld zone with described linear beam spot, described weld zone is by composite sheet 4 and 5 wedge areas that flexural deformation forms under the pressure effect of fixation pressure roller 6 and movable pressure roller 7 by two, laser beam 1, slip-on head 2, the 3 relative fixed settings of cylindrical focusing mirror, thus described slip-on head 2 can wheel pressing shaft to direction move back and forth to drive linear beam spot and moved by the weld zone of compound sheet 4 and 5 two; The position of the rotating shaft 8 of movable pressure roller 7 is adjustable with respect to the fixation pressure roller, to adapt to the composite sheet of different-thickness.
Advantage of the present invention is: use laser weld efficient height, distortion little, accessibility is good, is not subjected to electromagnetic interference, does not need vacuum, does not produce X ray.
Description of drawings
Fig. 1 is for implementing schematic representation of apparatus of the present invention.
The specific embodiment
Referring to Fig. 1, about two by composite sheet 4 and 5, send to by left and right sides pay-off respectively, described two are applied with pressure by fixation pressure roller 6 and movable pressure roller 7 respectively by composite sheet 4 and 5, the column focus lamp 3 that is installed on the slip-on head 2 is focused into laser beam 1 linear beam spot and linear beam spot is imported the weld zone, the weld zone is clipped in by composite sheet 4, between 5, by mechanical guiding device drive slip-on head 2 along be wheel pressing shaft perpendicular to paper to direction move, thereby drive linear laser beam wheel pressing shaft to direction move back and forth, under the pressure effect of fixation pressure roller 6 and movable pressure roller 7, realize the composite welding between two plates.Fixation pressure roller 6 and movable pressure roller 7 are rotated continuously by driven by motor, rely on fixation pressure roller 6 and movable pressure roller 7 wheel rims with about two driven by the sending constantly into of composite sheet 4 and 5 by the frictional force on composite sheet 4 and 5 surfaces, realizes that continuous scanning welds.Wherein the position of the rotating shaft 8 of movable pressure roller 7 is adjustable with respect to the fixation pressure roller, can realize the plate of different thicknesss of slab is carried out composite welding.
Utilize the Brewster effect of polarised light, regulate the incident angle of laser beam, can improve by the absorption efficiency of composite sheet 4 and 5 pairs of laser.
Basic principle of the present invention is to utilize certain optical system that laser beam is focused into linear light strip, utilize the high reflection characteristic of metal material surface to orthogonal polarized light, the weld zone that laser beam guiding is had geometry in particular, laser energy is absorbed expeditiously in the weld zone, make the METAL HEATING PROCESS or the fusing of double layer of metal plate surface thin layer, under the effect of pressure, realize the connection of material then.
Claims (3)
1. method of utilizing laser pressure welding to make multilayer composite metal plate, it is characterized in that: the linear beam spot that utilizes cylindrical focusing mirror (3) to be focused into after linear beam spot also will focus on laser beam (1) guides to the weld zone, described weld zone is by compound sheet (4) and (5) wedge area that flexural deformation forms under the pressure effect of fixation pressure roller (6) and movable pressure roller (7) by two, slip-on head (2) drive laser beam wheel pressing shaft to direction move back and forth, slip-on head (2) wheel pressing shaft to reciprocating motion and the rotation of two pressure wheel (6) and (7) combination, realize by the laser pressure composite welding of compound sheet (4) and (5).
2. method according to claim 1 is characterized in that: regulate the incident angle of laser beam, utilize the Brewster effect of polarised light, improve by compound sheet (4) and (5) absorption efficiency to laser.
3. device of realizing the described method of claim 1, it is characterized in that: comprise laser beam 1, slip-on head 2, cylindrical focusing mirror 3, fixation pressure roller 6 and movable pressure roller 7, described cylindrical focusing mirror (3) focussed laser beam 1 linear hot spot also guides to the weld zone with described linear beam spot, described weld zone is by compound sheet (4) and (5) wedge area that flexural deformation forms under the pressure effect of fixation pressure roller (6) and movable pressure roller (7) by two, described slip-on head (2) can drive traditional thread binding laser beam wheel pressing shaft to direction move back and forth, the position of the rotating shaft (8) of movable pressure roller (7) is adjustable with respect to the fixation pressure roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910300725 CN101823185A (en) | 2009-03-06 | 2009-03-06 | Method and device for manufacturing multilayer composite metal plate by utilizing laser pressure welding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910300725 CN101823185A (en) | 2009-03-06 | 2009-03-06 | Method and device for manufacturing multilayer composite metal plate by utilizing laser pressure welding |
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| CN101823185A true CN101823185A (en) | 2010-09-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728945A (en) * | 2012-05-24 | 2012-10-17 | 哈尔滨工业大学 | Liquid phase connected die forging integral forming method of material |
| CN108747018A (en) * | 2018-05-30 | 2018-11-06 | 山西太钢不锈钢股份有限公司 | A kind of negative gap joint welding method of austenitic stainless steel |
| CN112207133A (en) * | 2020-07-24 | 2021-01-12 | 上海工程技术大学 | Superplastic forming method and device for metal composite material |
| DE102020126540A1 (en) | 2020-10-09 | 2022-04-14 | Schaeffler Technologies AG & Co. KG | Process and device for beam welding |
| DE102021105063A1 (en) | 2021-03-03 | 2022-09-08 | Schaeffler Technologies AG & Co. KG | Device and method for roller laser welding |
-
2009
- 2009-03-06 CN CN 200910300725 patent/CN101823185A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728945A (en) * | 2012-05-24 | 2012-10-17 | 哈尔滨工业大学 | Liquid phase connected die forging integral forming method of material |
| CN108747018A (en) * | 2018-05-30 | 2018-11-06 | 山西太钢不锈钢股份有限公司 | A kind of negative gap joint welding method of austenitic stainless steel |
| CN112207133A (en) * | 2020-07-24 | 2021-01-12 | 上海工程技术大学 | Superplastic forming method and device for metal composite material |
| DE102020126540A1 (en) | 2020-10-09 | 2022-04-14 | Schaeffler Technologies AG & Co. KG | Process and device for beam welding |
| WO2022073540A1 (en) | 2020-10-09 | 2022-04-14 | Schaeffler Technologies AG & Co. KG | Method and device for beam welding |
| DE102021105063A1 (en) | 2021-03-03 | 2022-09-08 | Schaeffler Technologies AG & Co. KG | Device and method for roller laser welding |
| DE102021105063B4 (en) | 2021-03-03 | 2022-10-06 | Schaeffler Technologies AG & Co. KG | Device and method for roller laser welding |
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Open date: 20100908 |