CN203096172U - Optical fiber laser cladding device - Google Patents
Optical fiber laser cladding device Download PDFInfo
- Publication number
- CN203096172U CN203096172U CN 201220730317 CN201220730317U CN203096172U CN 203096172 U CN203096172 U CN 203096172U CN 201220730317 CN201220730317 CN 201220730317 CN 201220730317 U CN201220730317 U CN 201220730317U CN 203096172 U CN203096172 U CN 203096172U
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- fiber laser
- optical
- cladding
- laser cladding
- cladding equipment
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Abstract
The utility model provides an optical fiber laser cladding device. The optical fiber laser cladding device comprises an optical fiber laser device as a laser light source. The optical fiber laser cladding device according to the utility model has the advantages of high electro-optical conversion efficiency and high laser absorption rate of metal.
Description
Technical field
The application relates to a kind of laser melting coating equipment, and more particularly, the application relates to a kind of optical-fiber laser cladding equipment.
Background technology
Laser melting and coating technique is meant with different adding material modes places powder on matrix surface, make it to melt simultaneously through laser irradiation with the matrix surface skim, behind rapid solidification, form extent of dilution extremely low, become the top coat of metallurgical binding with body material, thereby significantly improve the processing method of wear-resisting, anti-corrosion, heat-resisting, the anti-oxidant and electrical specification etc. of substrate material surface.
Compare with conventional surface treatment technologies such as built-up welding, thermospray, plating, laser melting and coating technique has plurality of advantages, extensive as the material system that is suitable for, the cladding layer thinning ratio is controlled, cladding layer and matrix are metallurgical binding, the matrix thermal distortion is little, thickness generally at 0.1mm to several centimetres, technology easily is automated with profile and accurately repairs etc.
As far back as the end of the seventies, U.S. AVCO company has carried out the research of laser melting and coating technique at many vulnerable parts of motor car engine, then the Rolls-Royco company of Britain has solved the wear problem of gas turbine blades with laser melting and coating technique, other uses example such as the air valve sealing face of oil engine and the laser melting coating of seat ring, the laser melting coating of main equipment axle base part etc.Laser melting and coating technique the reparation of high added value component such as car industry, air system, power industry, steel industry and equipment again manufacture view brought into play great advantage.
Present sophisticated laser melting coating equipment mainly contains two classes: a class is to adopt CO
2Laser melting coating equipment; Another kind of is to adopt Nd:YAG laser melting coating equipment.CO
2The laser melting coating equipment volume is huge, and electro-optical efficiency is low, and CO
2Wavelength of Laser is longer, metal pair CO
2Laser absorption rate is low, the running cost height that electricity, gas consume, and maintenance cost is higher.On the other hand, domestic Nd:YAG laser melting coating equipment mainly is the Nd:YAG solid statelaser that adopts flash lamp pumping, lamp pump solid statelaser has some inevitable shortcomings: the efficiency of conversion of pump light is low, crystal thermal effect serious, photoflash lamp needs often to change, beam quality is relatively poor, and the attended operation expense is very high.
The utility model content
In order to solve the aforementioned problems in the prior, the utility model provides a kind of optical-fiber laser cladding equipment, and described optical-fiber laser cladding equipment comprises that optical fiber laser is as LASER Light Source.
According to embodiment of the present utility model, described optical-fiber laser cladding equipment also comprises: industrial robot, carry out cladding to pending workpiece and handle; The cladding injection head is clamped in the head of industrial robot; Powder-feeding nozzle is installed on the cladding injection head as the output terminal of shielding gas and powdered alloy.
Described optical-fiber laser cladding equipment can also comprise the water-cooled unit of optical fiber laser.
Described optical-fiber laser cladding equipment can also comprise powder feeder, and described powder feeder adopts the pneumatic type powder feeding, is used to provide the powdered alloy that cladding is used.
Described optical-fiber laser cladding equipment can also comprise the robot supervisory control desk.
Can be provided with light-beam forming unit in the described cladding injection head.
Electro-optical efficiency height and metal pair laser absorption rate height according to optical-fiber laser cladding equipment of the present utility model.
Description of drawings
By describe embodiment of the present utility model below in conjunction with accompanying drawing, feature and advantage of the present utility model will be more readily apparent from, in the accompanying drawings:
Fig. 1 is the synoptic diagram according to the optical-fiber laser cladding equipment of embodiment of the present utility model.
Embodiment
Hereinafter, describe optical-fiber laser cladding equipment of the present utility model with reference to the accompanying drawings in detail.
Fig. 1 is the synoptic diagram according to the optical-fiber laser cladding equipment of the utility model embodiment.With reference to Fig. 1, adopt optical fiber laser as LASER Light Source according to optical-fiber laser cladding equipment of the present utility model.Optical fiber laser has following advantage: (1) is because optical-fiber laser wavelength ratio CO
2Order of magnitude of laser wave length, metallic substance has higher specific absorption to optical-fiber laser; (2) optical-fiber laser good beam quality, the output facula approximate Gaussian distribution; (3) therefore no photic plasma shield phenomenon in the optical-fiber laser cladding process can use cheap argon gas as the cladding shielding gas; (4) optical fiber laser electro-optical efficiency height, so optical-fiber laser cladding equipment running cost is far below Nd:YAG laser and CO
2Laser melting coating equipment; (5) compact construction, volume are little, removable, more durable, and maintenance cost is low.
Comprise according to optical-fiber laser cladding equipment of the present utility model: fiber laser light source 1, the light beam of fiber laser light source 1 output can be continuous mode or pulse mode; Industrial robot 3 as the executive device of melting and coating process, carries out cladding with certain speed to pending workpiece according to the program setting path and handles; Cladding injection head 5 is clamped in the head of industrial robot 3, and the inside of cladding injection head 5 is equipped with light-beam forming unit, by integral mirror laser beam is adjusted into rectangular uniform light spots by circular focal beam spot, realizes the maximization that laser energy utilizes; Powder-feeding nozzle 6; output terminal as shielding gas and powdered alloy is installed on the cladding injection head 5 at a certain angle; form with the paraxonic powder feeding is carried shielding gas and powdered alloy when cladding is worked; guarantee that the powder of powder-feeding nozzle 6 ejections falls into the zone of action of laser beam; to form the powder molten bath; realize the metallurgical binding of cladding layer and matrix, can realize the distance of three-dimensional regulation powder feeding angle and hot spot.
In addition, for cooling optical fibers LASER Light Source 1, can also comprise the water-cooled unit 2 that is connected to fiber laser light source 1 according to optical-fiber laser cladding equipment of the present utility model.
Also comprise robot supervisory control desk 4 according to optical-fiber laser cladding equipment of the present utility model.Robot supervisory control desk 4 can be set the various parameters of melting and coating process as the supervisory control desk of optical-fiber laser cladding equipment, and control optical-fiber laser cladding equipment carries out cladding according to the flow process of program setting to be handled, and can carry other cladding utility appliance.
Can also comprise powder feeder 7 according to optical-fiber laser cladding equipment of the present utility model, powder feeder 7 adopts the pneumatic type powder feeding, is used to provide the powdered alloy that cladding is used.In addition, as carrier powder beam is converged in the gas curtain with argon gas in the same way according to optical-fiber laser cladding equipment of the present utility model, regulate powder sending quantity by the control airshed, precision and stability are high, and the equipment handiness is good.
Powder-feeding nozzle 6 can carry out three-dimensional space to be regulated, and realizes angular adjustment and the distance adjustment of powder-feeding nozzle to pending workpiece surface.The main effect of airshed is an amount of powder of importing the molten bath for adjusting, and powder-feeding nozzle is a fixed with respect to the position of laser, guarantees that cladding working gas and powdered alloy acting in conjunction are in zone to be processed.
In addition, can also comprise cladding lathe 8 according to optical-fiber laser cladding equipment of the present utility model, be used for the pending workpiece that is installed, workpiece that can the clamping complicated shape also moves, and is applicable to two dimension or three-dimensional cladding job requirements.
Optical-fiber laser cladding equipment of the present utility model uses industrial robot as topworks, as the laser beam transmission medium, has realized processing flexibilityization and automatization with optical fiber, can implement accurately to repair to the parts of complicated shape.In addition, the robot housing is as supervisory control desk, and external powder feeder control signal is as the on-off control end of powder feeder.
The master control system of optical-fiber laser cladding equipment of the present utility model realizes the integral body of cladding equipment is controlled by touch-screen, user-friendly execution and setting melting and coating process parameter.The parameter that can be provided with comprises: laser power, spot size, sweep velocity, powder feeding gas flow, shield gas flow rate, travel track etc.Travel track refers to the space tracking that robot advances according to the workpiece shape, finishes by programming.
According to optical-fiber laser cladding equipment of the present utility model; laser beam is by the laser melting coating injection head; after being adjusted into wide spot uniform beam, built-in light-beam forming unit impinges perpendicularly on position to be processed; powder feed system is delivered to molten bath with shielding gas and powdered alloy through the side-blown nozzle with certain flow rate and angle; make powder and base material realize metallurgical binding by LASER HEATING, form the high performance alloys layer that is different from base material.
Have higher flexible working ability and electro-optical efficiency according to optical-fiber laser cladding equipment of the present utility model, over-all properties is better than traditional thermospray, surfacing equipment and other laser melting coating equipment.
Concrete example of the present utility model is as follows: the optical fiber laser of a laser power 4000W of configuration, adopting core diameter is the Optical Fiber Transmission of 400 μ m, and workpiece to be processed is positioned over cladding lathe and fixing.
At first according to the workpiece configuration design and optimize the robot travel path, keep the vertical incidence of laser beam; Select processing parameters such as laser power, sweep velocity, powder sending quantity, regulating laser beam shape is the rectangular light spot of 10 * 1mm, adopts laser power 3000W, and sweep velocity 0.6m/min adopts multiple tracks multilayer cladding mode.
After set device parameter on the man-machine interface of robot supervisory control desk, write cladding equipment working procedure and verification, preserve.Cladding begins the back robot to be carried out preset program and finishes the cladding operation, cladding Co-based alloy on No. 45 steel matrixes, and thin hardened layer is at 2.5-3.0mm.
Have the following advantages according to optical-fiber laser cladding equipment of the present utility model: (1) electro-optical efficiency height; (2) metal pair laser absorption rate height; (3) the thinning ratio level is controlled; (4) reduce the local heating of thermal distortion and heat affected zone scope; (5) cladding shape is controlled within the specific limits; (6) any surface finish is good; (7) the maintenance and operation expense is low; (8) equipment is lightly compact, is convenient to move; (9) easily be automated.
Above embodiment exemplarily shows optical-fiber laser cladding equipment of the present utility model, but scope of the present utility model is not limited thereto, and scope of the present utility model is limited by claim and equivalent thereof.
Claims (6)
1. an optical-fiber laser cladding equipment is characterized in that described optical-fiber laser cladding equipment comprises that optical fiber laser is as LASER Light Source.
2. optical-fiber laser cladding equipment according to claim 1 is characterized in that described optical-fiber laser cladding equipment also comprises:
Industrial robot carries out cladding to pending workpiece and handles;
The cladding injection head is clamped in the head of industrial robot;
Powder-feeding nozzle is installed on the cladding injection head as the output terminal of shielding gas and powdered alloy.
3. optical-fiber laser cladding equipment according to claim 2 is characterized in that described optical-fiber laser cladding equipment also comprises the water-cooled unit of optical fiber laser.
4. optical-fiber laser cladding equipment according to claim 2 is characterized in that described optical-fiber laser cladding equipment also comprises powder feeder, and described powder feeder adopts the pneumatic type powder feeding, is used to provide the powdered alloy that cladding is used.
5. optical-fiber laser cladding equipment according to claim 2 is characterized in that described optical-fiber laser cladding equipment also comprises the robot supervisory control desk.
6. optical-fiber laser cladding equipment according to claim 2 is characterized in that being provided with light-beam forming unit in the described cladding injection head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730317 CN203096172U (en) | 2012-12-26 | 2012-12-26 | Optical fiber laser cladding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730317 CN203096172U (en) | 2012-12-26 | 2012-12-26 | Optical fiber laser cladding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203096172U true CN203096172U (en) | 2013-07-31 |
Family
ID=48847590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220730317 Expired - Fee Related CN203096172U (en) | 2012-12-26 | 2012-12-26 | Optical fiber laser cladding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203096172U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602979A (en) * | 2013-11-20 | 2014-02-26 | 浦晓峰 | Special metal ceramic alloy powder for continuous wave fiber laser cladding |
| CN105665705A (en) * | 2016-03-18 | 2016-06-15 | 山东能源重装集团大族再制造有限公司 | Metal 3D printing device |
| CN106363299A (en) * | 2016-11-11 | 2017-02-01 | 西安必盛激光科技有限公司 | Ultrahigh-power laser depleting equipment and depleting method thereof |
-
2012
- 2012-12-26 CN CN 201220730317 patent/CN203096172U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602979A (en) * | 2013-11-20 | 2014-02-26 | 浦晓峰 | Special metal ceramic alloy powder for continuous wave fiber laser cladding |
| CN105665705A (en) * | 2016-03-18 | 2016-06-15 | 山东能源重装集团大族再制造有限公司 | Metal 3D printing device |
| CN106363299A (en) * | 2016-11-11 | 2017-02-01 | 西安必盛激光科技有限公司 | Ultrahigh-power laser depleting equipment and depleting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Gangyan New Metallurgical Engineering Technology Center Co Ltd Assignor: China Gangyan Technology Group Limited|Xinye High-Tech Group Co. Ltd. Contract record no.: 2014110000014 Denomination of utility model: Optical fiber laser cladding device Granted publication date: 20130731 License type: Exclusive License Record date: 20140408 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Beijing Gangyan New Metallurgical Engineering Technology Center Co Ltd Assignor: China Iron & Steel Research Institute Group|Xinye High Technology Group Co., Ltd. Contract record no.: 2014110000014 Date of cancellation: 20161220 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170112 Address after: 100081 Beijing Institute of technology, Haidian District Road, No. 76, 8-01-15 Patentee after: Beijing Gangyan Xinye Engineering Design Co. Ltd. Address before: 100081 Haidian District Institute of South Road, Beijing, No. 76 Patentee before: China Iron & Steel Research Institute Group Patentee before: Xinye High Technology Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20201226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |