CN2724901Y - Special device of T type joint bibeam laser synchronous welding method - Google Patents
Special device of T type joint bibeam laser synchronous welding method Download PDFInfo
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- CN2724901Y CN2724901Y CN 200420077930 CN200420077930U CN2724901Y CN 2724901 Y CN2724901 Y CN 2724901Y CN 200420077930 CN200420077930 CN 200420077930 CN 200420077930 U CN200420077930 U CN 200420077930U CN 2724901 Y CN2724901 Y CN 2724901Y
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- 238000003466 welding Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000001360 synchronised effect Effects 0.000 title abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 52
- 239000000945 filler Substances 0.000 claims description 12
- 235000012054 meals Nutrition 0.000 claims description 5
- 238000000889 atomisation Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a a special device of T type joint bi-beam laser synchronous welding method, which can be used to weld the T type joint with laser. The utility model is characterized in that the utility model comprises a bi-beam laser welding device and a powder dividing device for powder filling laser welding; the main light beam (7) generated by the laser of the bi-beam laser welding device is divided into two right and left laser beams: (6) and (6'), through the first dichroic reflector (8) and the second dichroic reflector (9); passing the right and left turning mirrors (10) and (10'), the two right and left laser beams (6) and (6') respectively enter two right and left separate welded joints (11) and (11) and after being focused, act on both sides of the T type joint; the two parts of filling powder discharged by the powder dividing device for powder filling laser welding are supplied by two separate powder feed systems; the powder dividing device for powder filling laser welding can also discharge two parts of powder by the method of dividing powder. The utility model welds from both sides of the T type joint simultaneously. In this way, the utility model not only has high efficiency of welding, but also join the fused bath formed by the two laser beams together. Therefore, the both sides of the T type joints cool and shrink simultaneously, which is favorable to control the stress and distortion.
Description
Technical field
A kind of T connector double light beam laser synchronous welding method isolated plant can be used for the laser weld of T connector.
Background technology
In the manufacturing of boats and ships, aircraft etc., there is a large amount of T connectors.The coupling method of T connector comprises riveted joint, bonding and welding.Riveted joint and bonding not only production efficiency are low, and waste material and increase construction weight, therefore be mainly used in some are difficult to weld or traditional welding method can not meet the demands the material and the connection of structure, the riveted joint mode was mainly still adopted in the connection of high strength alumin ium alloy structure at present during machine like flying was made.Than riveted joint and bonding, welding production efficiency height is that the various structures that comprise T connector connect topmost method.
Laser weld has plurality of advantages at present, and known method for laser welding generally adopts beam of laser.For T connector, adopt single light beam respectively when weld in proper order the both sides of joint, not only welding efficiency is low, and stress deformation is difficult for fine control.On the other hand, known laser weld is not added packing material generally speaking.Laser weld is prepared groove and the requirement of assembly precision in order to reduce, and perhaps in order to improve the metallurgical machinery performance of welding point, has developed the method for laser welding that adopts filler wire.But, adopt the laser weld of filler wire very strict to welding wire directive property and welding process requirement, Laser Welding Quality depends on the aligning accuracy of welding wire, and any interference that welding wire is sent process to can cause the generation of weld defect immediately.Therefore can adopt a kind of T connector double light beam laser synchronous welding method, but this kind method needs the device of design specialized, yet there are no this kind isolated plant.
Summary of the invention
The purpose of this utility model is to provide a kind of isolated plant of finishing T connector double light beam laser synchronous welding method, to fill up the deficiency in the existing laser welding technology.
The technical scheme of T connector double light beam laser synchronous welding method isolated plant of the present utility model is referring to Fig. 2, and this device includes the branch powder device of double light beam laser welder and powder filler laser weld; Two bundle laser beams 6 and 6 ' about the main beam 7 that laser instrument in the double light beam laser welder sends is divided into by first dichroic reflector 8 and second dichroic reflector 9, about two light beams 6 and 6 ' after two independently plumb joint 11 and 11 ' focuses on respectively about left and right sides turning mirror 10 and 10 ' enters respectively, act on the both sides of workpiece T connector; The two-way powder filler of sending in the branch powder device of powder filler laser weld is supplied with by two separate powder feed systems, also can produce required two-way powder by the mode of minute powder.
In the technical solutions of the utility model, two light beams 6 and 6 ' about the main beam 7 that described laser instrument sends is divided into by first dichroic reflector 8 and second dichroic reflector 9, about two light beams 6 and 6 ' act on the both sides of T connector after two plumb joints 11 and 11 ' focus on respectively about left and right sides turning mirror 10 and 10 ' enters respectively.
In the technical solutions of the utility model, described first dichroic reflector 8 radially can move left and right with respect to main beam 7, two light beams 6 and 6 ' luminous power ratio about can accurately adjusting, the luminous power ratio adjustable range of wherein right light beam 6 is 0～70%, and the luminous power ratio adjustable range of left light beam 6 ' is 30～100%.
In the technical solutions of the utility model, described plumb joint 11 or 11 ' comprises a speculum 17 and a reflective focus lamp 18, and the divided beams that laser instrument sends is introduced into speculum acts on T connector again after reflective focus lamp focuses on respectively both sides; Whole plumb joint can be around 360 ° of rotations of C axle, and focus lamp 17 can be around B axle beat ± 175 °.
In the technical solutions of the utility model, described turning mirror 10 can move left and right together with plumb joint 11 ' together with plumb joint 11, turning mirror 10 ', around the rotation of C axle and focus lamp 18 beat around the B axle, the distance between two focal beam spots can be regulated arbitrarily between 0～600mm in conjunction with plumb joint.
In the technical solutions of the utility model, the branch powder device of described powder filler laser weld is made up of cavity 12, powder inlet 13, atomization chamber 14, two funneling minute powder chambeies 15 and 15 ' and two meal outlet 16 and 16 '.Wherein powder inlet 13 is positioned at the position, center of cavity 12 tops, divides powder chamber 15 and 15 ' to be symmetrically arranged in the below of cavity 12.
The utility model adopts two bundle laser to weld simultaneously from " T " joint both sides, and not only welding efficiency height, and the molten bath that two bundle laser form unites two into one, and cooling is simultaneously shunk, and helps stress and Deformation Control.Adopt the flexible powder bundle to provide packing material, possess the advantage that adopts filler wire on the one hand,, adjust weld seam metallurgical machinery performance, and the adjustment of powder composition is convenient as reducing the requirement that joint is prepared to the weld zone; Avoided adopting the deficiency of filler wire on the other hand again,, also do not had the problem of jackscrew and haircuts as there not being the problem of welding wire alignment and centering difficulty.
Description of drawings
Fig. 1 principle schematic of the present utility model;
Fig. 2 the utility model dual-beam welder schematic diagram;
Fig. 3 the utility model welder focus head structural representation;
The beam split part of Fig. 4 the utility model welder;
Fig. 5 first dichroic reflector translation structure schematic diagram;
Fig. 6 speculum and focus lamp translation structure schematic diagram;
Fig. 7 is the rotational structure schematic diagram;
Fig. 8 the utility model divides powder device schematic diagram;
Fig. 9 T connector dual-beam of the present utility model is the weld seam of welding synchronously;
The weld seam that T connector welds in proper order in Figure 10 prior art;
Among the figure: 1.T type joint base plate, 2.T type joint riser, 3. dual-beam weld seam, 3 '. the single beam first road weld seam, 3 ". the single beam second road weld seam, 4. right powder-feeding nozzle; 4 '. left powder-feeding nozzle, 5. right powder stream, 5 '. left powder stream; 6. right light beam, 6 '. left light beam, 7. main beam; 8. first dichroic reflector; 9. second dichroic reflector, 10. right light beam steering mirror, 10 '. left light beam steering mirror; 11. right light beam plumb joints, 11 '. left light beam plumb joint, 12. chamber shells, 13. powder inlets, 14. atomizing divides the powder chamber, the powder funnel 15. the right side falls, 15 '. the left side powder funnel that falls, 16. right meal outlets, 16 '. left meal outlet 17. plumb joint light beam steering mirrors, 18. the plumb joint focus lamp, 19. springs, 20. first dichroic reflector microscope bases, 21. position adjustments screws, 22. leaded light bucket, 23. trip bolt, 24. guide grooves, 25. upper binding heads, 26. lower union joints.
The specific embodiment
Embodiment of the present utility model is referring to above each accompanying drawing.Usually traditional semi-transparent semi-reflecting lens of employing or spectro-prism are divided into beam of laser on the methodological principle of two bundle laser and are applicable to above-mentioned purpose.But semi-transparent semi-reflecting lens generally is applicable to the beam split of YAG laser, and spectro-prism is not suitable for the beam split of high power CO 2 laser, damages because the top of prism may be melted when high power laser light shines.And the spectroscope in the utility model adopts is metallic mirror, because the excellent heat conductivity performance of metal and to the high reflectance of laser beam makes metallic mirror can bear the more laser beam of high power density.Moreover, the cooling that metallic mirror surface is good can be eliminated the negative effect that causes by being heated inequality that semi-transparent semi-reflecting lens or spectro-prism are easy to generate, so metallic mirror is fit to high-power CO very much
2The beam split of laser.
When adopting known method for laser welding order to weld from the T connector both sides, appearance of weld as shown in figure 10.Owing to be one-sided order welding, one side weld of preceding weldering exerts an influence to the fit-up gap of another joint, the weld seam that then welds a side exerts an influence to the weld seam and the stress distribution of preceding weldering one side again, so the control difficulty of the clamping of joint and welding stress deformation increases.Adopt two focused beams 6 shown in Figure 1 and 6 ' when weld synchronously the T connector both sides, appearance of weld as shown in Figure 9.Because the molten bath that two bundle laser form unites two into one, cooling is simultaneously shunk, and helps stress and Deformation Control like this.
Fig. 2 represents the utility model welder schematic diagram in the utility model.Two light beams 6 and 6 ' about the main beam 7 that laser instrument sends is divided into by first dichroic reflector 8 and second dichroic reflector 9.First dichroic reflector 8 radially can move left and right with respect to main beam 7, and second dichroic reflector 9 maintains static, as shown in Figure 4.By changing radially the position of first dichroic reflector 8 with respect to main beam 7, two light beams 6 and 6 ' luminous power ratio about can accurately adjusting, the luminous power ratio adjustable range of wherein right light beam 6 is 0～70%, and the luminous power ratio adjustable range of left light beam 6 ' is 30～100%.
Two plumb joints 11 and 11 ' focus on the both sides of T connector about entering behind two turning mirrors 10 and 10 ' about two light beams 6 and 6 ' pass through respectively about in the utility model.Left and right sides turning mirror 10 can parallelly move so that accurately regulate the position of focused spot with 10 '.Plumb joint 11 or 11 ' structure as shown in Figure 3, it comprises a speculum 17 and a reflective focus lamp 18, whole plumb joint can be around 360 ° of rotations of C axle, focus lamp 18 can be around B axle beat ± 175 °., so no matter to be the T connector that is in the downhand position, the T connector that still is in overhead position can adopt this device to weld.
Fig. 8 represents of the present utility model minute powder device diagrammatic sketch in the utility model.The powder that has a carrier gas 13 enters atomization chamber 14 from entering the mouth, uniform atomizing under the effect of carrier gas air-flow, export from meal outlet 16 and 16 ' through two funneling minute powder chambeies 15 and 15 ' then, so just will be divided into two-way equably from one road powder of a powder feeder, enter the powder-feeding nozzle 4 and 4 ' of Fig. 1 respectively, cooperate the welder of Fig. 2 to carry out the synchronous welding of T connector dual-beam.
Fig. 5 represents the first dichroic reflector position adjustment structure schematic diagram in the utility model.The most round profile and the leaded light bucket 22 of first dichroic reflector 8 complement each other to form guide rail, make first dichroic reflector 8 can only be by the axis translation, and its position is regulated by screw and spring 19.20 is the first dichroic reflector microscope base, plays fixed mirror and cooling is provided.
Fig. 6 represents the translation structure schematic diagram of refracting telescope in the utility model.Inside and outside leaded light bucket complements each other to form the translation guide rail, in order to prevent both the rotation skew is arranged, and leaded light bucket inwall mills the guide groove 24 that matches with interior leaded light bucket boss together outside.After position adjustments was good, two leaded light buckets were fixing by trip bolt 23.10 is refracting telescope and microscope base.
Fig. 7 represents refracting telescope and focus lamp rotational structure schematic diagram in the utility model.After two leaded light bucket position of rotation are determined up and down, pass through screw threads for fastening by upper binding head 25 and lower union joint 26.
Technical problem to be solved has been finished in the enforcement of technical solutions of the utility model, wherein installs the connection of each parts and each several part and cooperates and can adopt multiple current techique to finish.
Claims (7)
1, T connector double light beam laser welding method isolated plant is characterized in that: the branch powder device that includes double light beam laser welder and powder filler laser weld; Two bundle laser beams (6) and (6 ') about the main beam that laser instrument in the double light beam laser welder sends (7) is divided into by first dichroic reflector (8) and second dichroic reflector (9), about after two light beams (6) and (6 '), two independently plumb joint (11) and (11 ') focused on respectively about left and right sides turning mirror (10) and (10 ') enter respectively, act on the both sides of workpiece T connector; The two-way powder filler of sending in the branch powder device of powder filler laser weld is supplied with by two separate powder feed systems, also can produce required two-way powder by the mode of minute powder.
2, T connector double light beam laser welding method isolated plant according to claim 1, it is characterized in that: two light beams (6) and (6 ') about the main beam that laser instrument sends (7) is divided into by first dichroic reflector (8) and second dichroic reflector (9), about two light beams (6) and (6 ') respectively about left and right sides turning mirror (10) and (10 ') enter two plumb joints (11) and (11 ') act on the both sides of T connector after focusing on respectively.
3, T connector double light beam laser welding method isolated plant according to claim 1 and 2, it is characterized in that: be the luminous power ratio of two light beams (6) about adjusting and (6 '), first dichroic reflector (8) radially can move left and right with respect to main beam (7), the luminous power ratio adjustable range of wherein right light beam (6) is 0～70%, and the luminous power ratio adjustable range of left light beam (6 ') is 30～100%.
4, T connector double light beam laser welding method isolated plant according to claim 1 and 2, it is characterized in that: plumb joint (11) or (11 ') comprise a speculum (17) and a reflective focus lamp (18), and the divided beams that laser instrument sends is introduced into speculum acts on T connector again after reflective focus lamp focuses on respectively both sides; Whole plumb joint can be around 360 ° of rotations of C axle, and focus lamp (17) can be around B axle beat ± 175 °.
5, T connector double light beam laser welding method isolated plant according to claim 1 and 2, it is characterized in that: turning mirror (10) can move left and right together with plumb joint (11 ') together with plumb joint (11), turning mirror (10 '), around the rotation of C axle and focus lamp (18) beat around the B axle, the distance between two focal beam spots can be regulated arbitrarily between 0～600mm in conjunction with plumb joint.
6, T connector double light beam laser welding method isolated plant according to claim 1, it is characterized in that: the branch powder device of described powder filler laser weld, form by cavity (12), powder inlet (13), atomization chamber (14), two funneling minute powder chambeies (15) and (15 ') and two meal outlets (16) and (16 ').
7, according to claim 1 or 6 described T connector double light beam laser welding method isolated plants, it is characterized in that: powder inlet (13) is positioned at the position, center of cavity (12) top, divides powder chamber (15) and (15 ') to be symmetrically arranged in the below of cavity (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077930 CN2724901Y (en) | 2004-07-16 | 2004-07-16 | Special device of T type joint bibeam laser synchronous welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077930 CN2724901Y (en) | 2004-07-16 | 2004-07-16 | Special device of T type joint bibeam laser synchronous welding method |
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| Publication Number | Publication Date |
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| CN2724901Y true CN2724901Y (en) | 2005-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200420077930 Expired - Lifetime CN2724901Y (en) | 2004-07-16 | 2004-07-16 | Special device of T type joint bibeam laser synchronous welding method |
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| CN (1) | CN2724901Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838540A (en) * | 2018-09-14 | 2018-11-20 | 项大清 | Saw blade laser soldering device |
| CN109352177A (en) * | 2018-11-22 | 2019-02-19 | 中国航空制造技术研究院 | A kind of laser welding T connector angular deformation control method and system |
| CN111545906A (en) * | 2020-05-13 | 2020-08-18 | 南京航空航天大学 | Mirror image laser welding device and method for optimizing weld joint molten pool forming |
| CN111604593A (en) * | 2020-05-20 | 2020-09-01 | 南京航空航天大学 | Laser mirror image welding method |
-
2004
- 2004-07-16 CN CN 200420077930 patent/CN2724901Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838540A (en) * | 2018-09-14 | 2018-11-20 | 项大清 | Saw blade laser soldering device |
| CN108838540B (en) * | 2018-09-14 | 2020-07-14 | 项大清 | Circular saw blade laser welding device |
| CN109352177A (en) * | 2018-11-22 | 2019-02-19 | 中国航空制造技术研究院 | A kind of laser welding T connector angular deformation control method and system |
| CN111545906A (en) * | 2020-05-13 | 2020-08-18 | 南京航空航天大学 | Mirror image laser welding device and method for optimizing weld joint molten pool forming |
| CN111545906B (en) * | 2020-05-13 | 2022-05-20 | 南京航空航天大学 | Mirror image laser welding device and method for optimizing weld pool forming |
| CN111604593A (en) * | 2020-05-20 | 2020-09-01 | 南京航空航天大学 | Laser mirror image welding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20040716 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |