CN203923374U - A kind of device of mechanical vibration auxiliary laser cladding axial workpiece - Google Patents
A kind of device of mechanical vibration auxiliary laser cladding axial workpiece Download PDFInfo
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- CN203923374U CN203923374U CN201420358685.2U CN201420358685U CN203923374U CN 203923374 U CN203923374 U CN 203923374U CN 201420358685 U CN201420358685 U CN 201420358685U CN 203923374 U CN203923374 U CN 203923374U
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- motor
- shaking table
- mechanical vibration
- lathe
- supporting seat
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- 238000004372 laser cladding Methods 0.000 title claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 21
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000008439 repair process Effects 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract description 4
- 230000003245 working effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 12
- 238000005253 cladding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000000956 alloy Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a kind of mechanical vibration auxiliary laser cladding axial workpiece device, belong to material surface modifying technology field, it comprises lathe, motor I, taper thimble I, powder feeding storehouse, laser generator, motor II, taper thimble II, supporting seat, guide rail, shaking table, motor I and motor II are separately positioned on top, lathe two ends, taper thimble I and taper thimble II are arranged on respectively in motor I and motor II and by it and drive and rotate, guide rail is arranged on lathe base, plural shaking table is arranged on machine tool guideway, supporting seat is arranged on shaking table, powder conveying pipe, laser generator is arranged on supporting seat top, powder conveying pipe is communicated with powder feeding storehouse, the utility model can meet the surface of axial workpiece to be repaired, and mechanical vibration can be played the effect of eliminating laser repairing layer pore and crackle, further improve the quality of repair layer, improve the use properties of axle and extend its work-ing life.
Description
Technical field
The utility model relates to a kind of device of mechanical vibration auxiliary laser cladding axial workpiece, belongs to technical field of laser processing.
Background technology
Along with industrial development, the use of axial workpiece in industry is also more and more important, and the environment of axial workpiece work is also more and more tending towards complicated, and axial workpiece is also increasing because of the condemnation factor losing efficacy.The inefficacy of axle mainly contains the surface failure of shaft distortion, axle fracture, axle, and the surface failure of its axis has accounted for major part.Need to repair for axle surface failure at present time, adopt machine-tooled method such as turning processing, ground finish correction axle more.This repair mode is to having little significance the work-ing life of improving axle, and after several times external cutting and ground finish, the diameter of axle diminishes and then thoroughly scraps.Laser melting coating recovery technique, the part that can lose efficacy at Axle Surface, laser melting coating one deck alloy material, make the surface of cladding alloy coat there is good mechanical property, improve surface strength, wear resistance and the erosion resistance of axle, merge the pore defect of parts list slabbing line and existence, making the requirement of cladding coating surface quality complex conditions through certain machining, thereby scrapped parts can utilize again.
The application of vibrotechnique can be traced back to Russian scientists in 1868 and be applied vibrotechnique at ingot solidification and find to obtain close grained casting, to 20th century 30, the forties, vibrotechnique has been employed field of metal casting technology, and this technology developed into welding field from metal field casting field afterwards.Vibration, in laser melting coating engineering, applies exciting force for inside, molten bath, can play and reduce bath temperature gradient, reduces crackle, smash crystal grain and play Grain refinement, thereby the microtexture of change coating is improved mechanical property, reduces defect.
Find through contrasting the pertinent literature retrieval of publishing both at home and abroad, patent CN102373469 announces a kind of method of inhibiting laser cladding layer cracks through continuous mechanical vibration, patent CN102719823 announces a kind of method of improving laser remolten compound coating microstructure of vibrating, patent CN102383124 announces a kind of method of controlling air holes of laser cladding layer by intermittent parking machine, and patent CN202323028 announces a kind of vibrating device that suppresses laser cladding layer crackle.Current these devices are only also to carry out flat part to process reparation, the device that does not carry out mechanical vibration reparation for axial workpiece.The utility model is not only considered prosthesis shaft surface from technological angle, and designs whole setting drawing and be used for instructing production application.
Summary of the invention
In order to overcome the defect of above-mentioned existence, the utility model provides a kind of device of mechanical vibration auxiliary laser cladding axial workpiece, this device plays and reduces the pore of coating and suppress crack growth, improve laser cladding layer microstructure and performance, the surface strength, wear resistance and the erosion resistance that improve axle, increase the service life.
The device of the utility model mechanical vibration auxiliary laser cladding axial workpiece comprises lathe 1, motor I 2, taper thimble I 3, powder feeding storehouse 6, laser generator 7, motor II 11, taper thimble II 10, supporting seat 13, guide rail 12, shaking table 14, motor I 2 and motor II 11 are separately positioned on lathe 1 top, two ends, taper thimble I 3 is arranged on respectively in motor I 2 and motor II 11 and by it and drives and rotate with taper thimble II 10, guide rail 12 is arranged on lathe 1 base, plural shaking table 14 is arranged on lathe 1 guide rail 12, supporting seat 13 is arranged on shaking table 14, powder conveying pipe 8, laser generator 7 is arranged on supporting seat 13 tops, it is the top of part to be repaired, powder conveying pipe 8 is communicated with powder feeding storehouse 6.
Shaking table 14 described in the utility model is electromagnetic vibration generator system.
Described shaking table 14 is arranged on the guide rail 12 of lathe 1, and shaking table 14 is along with repairing the movement at position in repair process, and shaking table 14 carries out synchronizing moving along guide rail 12, and supporting seat 13 is fixedly mounted on the platform of shaking table 14 by web member.
Shaking table in the utility model device adopts software kit its vibration modes of control and vibration parameters amplitude and frequency.
The device of mechanical vibration auxiliary laser cladding prosthesis shaft surface failure, uses carbon dioxide laser generator, adopts side direction synchronous powder feeding system mode to prepare high performance alloys coating on axle surface, introduces mechanical vibration at laser melting and coating process simultaneously.Concrete operation step is: first prosthesis shaft is arranged on lathe, utilize taper thimble I 3, the taper thimble II 10 at lathe two ends to clamp, then shaking table 14 is installed, on the supporting seat 13 of pillow on shaking table, mechanical vibration are passed to axle by Vibration on Start-up platform, and under the processing condition of mechanical vibration, start side direction synchronous powder feeding system formula carbon dioxide laser cladding equipment, prepare high performance alloys coating on axle surface.In prosthesis shaft surface process, axle is to rotate compared with the slow speed of revolution, and along with repairing the movement at position, the shaking table of laying also will move on guide rail.
The utility model passes through electromagnetic vibration generator system, apply continuous sinusoidal vibration, utilize supporting seat vibration to be passed to the molten bath on prosthesis shaft surface, owing to applying exciting force in cladding work process, smashed the column crystal of growth, refinement crystal grain, exciting force produced stirring action in molten bath, be conducive to the effusion of bubble in molten bath, reduced pore generation.The thermograde interval that the stirring in molten bath is lowered simultaneously, thus greatly reduce and the generation of having eliminated cladding layer both macro and micro crackle, obtain grain refining, the high-performance laser cladding coating of pore-free crackle.
The beneficial effects of the utility model: utilize mechanical vibration auxiliary laser cladding prosthesis shaft surface failure technology, can obtain the high performance alloys coating of pore-free and crackle, greatly improve the work-ing life of axle, this technology has green, renewable circulation environment friendly, has industrial application promotional value.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model shaking table and clamping support schematic diagram;
In figure: 1-motor, 2-motor I, 3-taper thimble I, 4-axle, 5-cladding layer, 6-powder feeding storehouse, 7-laser generator, 8-powder conveying pipe, 9-laser beam, 10-taper thimble II, 11-motor II, 12-guide rail, 13-supporting seat, 14-shaking table, 15-shaking table control end.
Embodiment
Below in conjunction with drawings and Examples, further the utility model is further elaborated, but protection content of the present utility model is not limited to described scope.
Embodiment 1: the device that surface failure axial workpiece is repaired in the cladding of these mechanical vibration auxiliary laser comprises lathe 1, motor I 2, taper thimble I 3, powder feeding storehouse 6, laser generator 7, motor II 11, taper thimble II 10, supporting seat 13, guide rail 12, shaking table 14, motor I 2 and motor II 11 are separately positioned on lathe 1 top, two ends, taper thimble I 3 is arranged on respectively in motor I 2 and motor II 11 and by it and drives and rotate with taper thimble II 10, guide rail 12 is arranged on lathe 1 base, two shaking tables 14 are arranged on lathe 1 guide rail 12, supporting seat 13 is screwed on shaking table 14, powder conveying pipe 8, laser generator 7 is arranged on supporting seat 13 tops, it is the top of part to be repaired, powder conveying pipe 8 is communicated with powder feeding storehouse 6, shaking table 14 is conventional electromagnetic vibration generator system (model ESS-025), shaking table 14 is connected with shaking table control end 15, adopt and buy when shaking table 14 supporting control software and carry out routine control and (see Fig. 1, 2).
This device is in mechanical vibration, and repair on the surface that uses laser generator 7 to carry out axle; First axle to be repaired 4 is arranged on lathe 1, utilize 1 liang of end toper thimble I 3 of lathe and taper thimble II 10 to clamp, then shaking table 14 is installed, axle 4 is rested the head on the supporting seat 13 on shaking table 14, mechanical vibration are passed to axle by Vibration on Start-up platform 14, and under the processing condition of mechanical vibration, start laser generator 7 and powder feeding storehouse 6, prepare high performance alloys coating 5 on axle 4 surfaces; In prosthesis shaft surface process, the rotating compared with the slow speed of revolution of axle 4, along with repairing the movement at position, two shaking tables 14 of laying are controlled also and are moved on guide rail 12 by shaking table control end 15, so that transmitting vibrations timely and effectively.
It is continuous sinusoidal vibration that the present embodiment device adopts the pattern of mechanical vibration in using, vibration equation
, the scope 0.05mm-0.1mm of amplitude A, range of frequency 50Hz-200Hz.
Embodiment 2: the cladding of these mechanical vibration auxiliary laser is repaired the apparatus structure of surface failure axial workpiece with embodiment 1, the pattern of selecting mechanical vibration is typical impact vibration, typical impact can be selected pulse pattern, there are semisinusoidal, forward's zigzag wave, Final Peak Saw-Tooth Shock, choppy sea or square wave, pulse duration 0.5-3000ms, range of frequency 0-2000Hz.
Embodiment 4: the cladding of these mechanical vibration auxiliary laser is repaired the apparatus structure of surface failure axial workpiece with embodiment 1, the pattern of selecting mechanical vibration is resonance search and resident (RSTD), resonance search is frequently fixed with resident (RSTD) residing mode and follows the tracks of resident, closed loop time 10ms, range of frequency 1Hz-1000Hz.
Embodiment 5: the cladding of these mechanical vibration auxiliary laser is repaired the apparatus structure of surface failure axial workpiece with embodiment 1, and the pattern of selecting mechanical vibration is stochastic control pattern.Stochastic control closed loop time 100ms, range of frequency 100Hz-4800Hz.
Above embodiment of the present utility model is explained in detail, but the utility model is not limited to above-mentioned embodiment, in the ken possessing those of ordinary skill in the art, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (2)
1. the device of a mechanical vibration auxiliary laser cladding axial workpiece, it is characterized in that: lathe (1), motor I (2), taper thimble I (3), powder feeding storehouse (6), laser generator (7), motor II (11), taper thimble II (10), supporting seat (13), guide rail (12), shaking table (14), motor I (2) and motor II (11) are separately positioned on lathe (1) top, two ends, taper thimble I (3) is arranged on respectively motor I (2) with taper thimble II (10) and motor II (11) is upper and drive rotation by it, guide rail (12) is arranged on lathe (1) base, plural shaking table (14) is arranged on lathe (1) guide rail (12), supporting seat (13) is arranged on shaking table (14), powder conveying pipe (8), laser generator (7) is arranged on supporting seat (13) top, powder conveying pipe (8) is communicated with powder feeding storehouse (6).
2. the device of mechanical vibration auxiliary laser cladding axial workpiece according to claim 1, is characterized in that: shaking table (14) is electromagnetic vibration generator system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358685.2U CN203923374U (en) | 2014-07-01 | 2014-07-01 | A kind of device of mechanical vibration auxiliary laser cladding axial workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358685.2U CN203923374U (en) | 2014-07-01 | 2014-07-01 | A kind of device of mechanical vibration auxiliary laser cladding axial workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203923374U true CN203923374U (en) | 2014-11-05 |
Family
ID=51819229
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420358685.2U Expired - Fee Related CN203923374U (en) | 2014-07-01 | 2014-07-01 | A kind of device of mechanical vibration auxiliary laser cladding axial workpiece |
Country Status (1)
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| CN (1) | CN203923374U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107208275A (en) * | 2015-02-05 | 2017-09-26 | 西门子能源有限公司 | Use laser and the material repair methods of ultrasound |
| CN112663045A (en) * | 2020-11-29 | 2021-04-16 | 中船海洋动力部件有限公司 | Stress removal process method for laser cladding layer on surface of large-size shaft part |
| CN114150307A (en) * | 2021-11-05 | 2022-03-08 | 中车株洲电机有限公司 | Method for repairing surface cracks of shaft parts |
-
2014
- 2014-07-01 CN CN201420358685.2U patent/CN203923374U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107208275A (en) * | 2015-02-05 | 2017-09-26 | 西门子能源有限公司 | Use laser and the material repair methods of ultrasound |
| CN112663045A (en) * | 2020-11-29 | 2021-04-16 | 中船海洋动力部件有限公司 | Stress removal process method for laser cladding layer on surface of large-size shaft part |
| CN114150307A (en) * | 2021-11-05 | 2022-03-08 | 中车株洲电机有限公司 | Method for repairing surface cracks of shaft parts |
| WO2023077606A1 (en) * | 2021-11-05 | 2023-05-11 | 中车株洲电机有限公司 | Method for repairing surface cracks of shaft parts |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20150701 |
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| EXPY | Termination of patent right or utility model |