CN106493122A - The laser accurate cleaning device of part and method - Google Patents
The laser accurate cleaning device of part and method Download PDFInfo
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- CN106493122A CN106493122A CN201610951721.XA CN201610951721A CN106493122A CN 106493122 A CN106493122 A CN 106493122A CN 201610951721 A CN201610951721 A CN 201610951721A CN 106493122 A CN106493122 A CN 106493122A
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- laser
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- roughening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
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- Optics & Photonics (AREA)
- Laser Beam Processing (AREA)
- Cleaning In General (AREA)
Abstract
The present invention discloses a kind of laser accurate cleaning device and the method for part, including obtaining the threedimensional model of part to be cleaned;Roughening laser cleaning parameter is set, generates roughening processing layer data, entirety, Rapid Cleaning are carried out according to the roughening processing layer data to part with Three-Dimensional Dynamic focus scanning system;Fine laser cleaning parameter is set, generate retrofit layer data, the cleaning that becomes more meticulous is carried out according to the retrofit layer data to the specific region of part with the Three-Dimensional Dynamic focus scanning system, cleaning efficiency can both have been improved, can avoid again excessively cleaning or cleaning halfway problem, cleaning performance is good, can carry out accurately profiling cleaning to the part of large scale, small size and special construction.
Description
Technical field
The present invention relates to a kind of laser accurate cleaning device of part and method, belong to laser cleaning technique field.
Background technology
The surface quality of parts will directly affect its performance, particularly in some specific areas, the surface of part
Cleannes, textura epidermoidea's performance are applied to decisive influence, and such as optics, electronic product, fine vacuum sputtering are used
Target etc..Traditional cleaning method such as chemical erosion, mechanical grinding etc., not only easily cause stress corrosion cracking (SCC), introduce new dirty
Dye thing, removes uneven, inefficiency, and cannot precise control, cleaning performance is undesirable.
With the development of laser cleaning technique, which has without using chemical agent and cleanout fluid, does not produce secondary pollution,
Without grinding and contact process, the various pollutant of various material surfaces can be removed, cleaning efficiency is high, the advantages of cleannes are high,
It is with a wide range of applications.
Existing laser cleaner, one kind is Handheld laser cleaning device, and the device is easy to carry, simple to operate,
It can be difficult to realizing the uniform and stable control of laser cleaning process, it is adaptable to the small size zero not high to surface clean prescription
Part is cleaned;Another kind is the three-dimensional laser cleaning device of Patent No. " ZL201210582940.7 ", and the device is by poly-
Focus lens and micro-imaging lens are fixed together and piece surface shape is judged, realize three-dimensional cleaning, due to part
Structure unclear, need to judge piece surface pattern in cleaning process in real time, reduce working (machining) efficiency, meanwhile, by
In focus lamp after scanning galvanometer, the laser processing area of this kind of light path system is limited to the size of focus lamp, it is impossible to big face
Product part carries out Rapid Cleaning, and, for the part with cleaning difficulty, carried out using fixed laser technical parameterses repeatedly many
Secondary cleaning, reaches cleaning purpose, there is a problem of that excessively cleaning, cleaning performance are undesirable.
Content of the invention
In view of the foregoing, it is an object of the invention to provide a kind of laser accurate cleaning device of part and method, lead to
Cross carries out roughening cleaning successively and finely cleans two processes to part, realizes efficient, the thoroughly cleaning to part, can reach good
Good cleaning performance.
For reaching above-mentioned purpose, the present invention is employed the following technical solutions:
A kind of laser accurate cleaning device of part, including laser instrument, Three-Dimensional Dynamic focus scanning system, computer controls
System, the computer control system include that model acquiring unit, parameter set unit, data base, parameter read and output unit,
Model acquiring unit, for obtaining the threedimensional model of part to be cleaned;
Parameter set unit, for arranging roughening laser cleaning parameter, and generates corresponding roughening processing layer data, is used for
Fine laser cleaning parameter is set, and generates corresponding retrofit layer data,
Data base, for preserving the roughening processing layer data and retrofit layer data;
Parameter reads and output unit, for reading roughening processing layer data and retrofit layer data, and export to
The laser instrument and Three-Dimensional Dynamic focus scanning system.
Further,
The Three-Dimensional Dynamic focus scanning system carries out overall, quick clear according to the roughening processing layer data to part
Wash, afterwards, the Three-Dimensional Dynamic focus scanning system carries out essence according to the retrofit layer data to the specific region of part
Thin cleaning.
The roughening laser cleaning parameter includes that first laser power, the first pulse width, first laser focal spot, first are swept
Retouch speed, the first filling spacing, the first scanning times.
The fine laser cleaning parameter includes that second laser power, the second pulse width, second laser focal spot, second are swept
Retouch speed, the second filling spacing, the second scanning times.
The first laser power is not less than second laser power, and first pulse width is not less than the second pulse width
Degree, the first laser focal spot are not less than second laser focal spot, and first scanning speed is not less than the second scanning speed, described
First filling spacing fills spacing not less than second, and first scanning times and the second scanning times are 1-10 time.
The laser accurate cleaning method of part, including:
S1, the threedimensional model for obtaining part to be cleaned;
S2:Arrange roughening laser cleaning parameter, generate roughening processing layer data, with Three-Dimensional Dynamic focus scanning system according to
The roughening processing layer data carries out globality cleaning to part;
S3:Fine laser cleaning parameter is set, generates retrofit layer data, with the Three-Dimensional Dynamic focus scanning system root
The specific region of part is cleaned according to the retrofit layer data.
The roughening laser cleaning parameter includes that first laser power, the first pulse width, first laser focal spot, first are swept
Retouch speed, the first filling spacing, the first scanning times.
The fine laser cleaning parameter includes that second laser power, the second pulse width, second laser focal spot, second are swept
Retouch speed, the second filling spacing, the second scanning times.
The first laser power is not less than second laser power, and first pulse width is not less than the second pulse width
Degree, the first laser focal spot are not less than second laser focal spot, and first scanning speed is not less than the second scanning speed, described
First filling spacing fills spacing not less than second, and first scanning times and the second scanning times are 1-10 time.
It is an advantage of the invention that:
1st, using Three-Dimensional Dynamic focus scanning system, according to the threedimensional model of part, accurate profiling is integrally carried out to part
Cleaning, especially to nonplanar 3 D complex constitutional detail, it is ensured that cleaning performance;
2nd, using Three-Dimensional Dynamic focus scanning system, the scanning machining process of large format can achieve, can be to large scale, little
Size, the part of special construction are cleaned;
3rd, overall, high-power quick cleaning is first carried out to part, most surfaces pollutant can be removed, for difficult clear
Although the regional pollution thing that washes can not be cleaned completely, under laser action, the combination of pollutant and part base solid loosens,
Then the remaining pollutant of specific region are carried out finely, low-power clean at a slow speed, precisely remove pollutant, can not only improve clear
Efficiency is washed, and is cleaned thoroughly;
4th, laser output beam is precisely controlled using Three-Dimensional Dynamic focus scanning system, can have both ensured large area table
The uniformity and concordance of face cleaning quality, it is to avoid excessively cleaning or cleaning are not enough, can realize selectivity area again as needed
Domain is cleaned, and meets the special cleaning requirement of piece surface, realizes that localization is precisely cleaned, will not injuring part matrix.
Description of the drawings
Fig. 1 is the structured flowchart of the laser accurate cleaning device of the present invention.
Fig. 2 is the laser accurate cleaning method schematic flow sheet of the present invention.
Fig. 3 is the cleaning process schematic diagram of a specific embodiment of the invention.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in figure 1, the laser accurate cleaning device of part disclosed by the invention, focuses on including laser instrument, Three-Dimensional Dynamic
Scanning system, computer control system, Three-Dimensional Dynamic focus scanning system include dynamic focusing microscope group, X-axis galvanometer, Y-axis galvanometer,
Galvanometer control unit, dynamic focusing microscope group include Z axis galvanometer, two panels focus lamp;Z axis galvanometer, two panels focus lamp, X-axis galvanometer, Y
Axle galvanometer order is arranged on the laser optical path that laser instrument sends;Galvanometer control unit respectively with X-axis galvanometer, Y-axis galvanometer, Z axis
The servomotor of galvanometer is connected, for adjusting X-axis galvanometer, Y-axis galvanometer and Z axis galvanometer by controlling servomotor action
The position of eyeglass so that laser beam focusing realizes the laser to body surface on the diverse location of body surface to be cleaned
Cleaning process.
Computer control system includes that model acquiring unit, parameter set unit, data base, parameter read and output list
Unit,
Model acquiring unit, for obtaining the threedimensional model of part to be cleaned;
Parameter set unit, for arranging roughening laser cleaning parameter, and generates corresponding roughening processing layer data, is used for
Fine laser cleaning parameter is set, and generates corresponding retrofit layer data,
Data base, for preserving roughening processing layer data and retrofit layer data;
Parameter reads and output unit, for reading database in roughening processing layer data and retrofit layer data,
Export to laser instrument with controller output, and export to galvanometer control unit;Galvanometer control unit is first according to roughening processing
Layer data control system carries out overall roughening cleaning process to body surface, then according to retrofit layer data control system
The cleaning process that becomes more meticulous is carried out to not cleaning thoroughly specific region.
As shown in Fig. 2 the laser accurate cleaning method of part disclosed by the invention, comprises the following steps:
S1:Obtain the threedimensional model of part to be cleaned;
The threedimensional model can pass through to import existing obtaining three-dimensional model, it is also possible to by three-dimensional scanning device to object
It is scanned, obtaining three-dimensional model is reconstructed according to scan data.
S2:Roughening laser cleaning parameter being set, generating roughening processing layer data, overall roughening cleaning is carried out to part;
Part to be cleaned is placed on laser cleaning workbench, focal position is adjusted so that object in kind with its three
Position consistency of the dimension module relative to laser beam incident;Roughening laser cleaning parameter is set, including first laser power, the first arteries and veins
Rush width, first laser focal spot, the first scanning speed, the first filling spacing, first scanning times etc.;Swashed according to the roughening for arranging
Light cleaning parameterses, generate roughening processing layer data, and are stored in data base, and the roughening machined layer data include location parameter
(whole piece surface) and corresponding laser cleaning parameter.
Roughening processing layer data in reading database, exports to Three-Dimensional Dynamic focus scanning system, the galvanometer control of system
Unit processed carries out comprehensive, quick cleaning, improves cleaning efficiency according to roughening processing layer data to piece surface.
S2:Fine laser cleaning parameter is set, generates retrofit layer data, becoming more meticulous for local is carried out to part clear
Wash.
After roughening cleaning terminates, the easy cleaned dirt of the piece surface overwhelming majority can be washed, for piece surface
The remaining dirt with cleaning difficulty, carries out the secondary cleaning that becomes more meticulous only for the specific region.Fine laser cleaning is set
Parameter, including second laser power, the second pulse width, second laser focal spot, the second scanning speed, the second filling spacing, the
Two scanning times etc.;According to the fine laser cleaning parameter for arranging, retrofit layer data is generated, and is stored in data base,
The retrofit layer data includes location parameter (there is the specific region of dirt on part) and corresponding laser cleaning parameter.
Retrofit layer data in reading database, exports to Three-Dimensional Dynamic focus scanning system, the galvanometer control of system
Unit processed according to retrofit layer data, the specific region that there is dirt on piece surface is carried out finely, clean at a slow speed, thoroughly
Remove dirt.
Wherein, for roughening laser cleaning parameter and fine laser cleaning parameter, first laser power is swashed not less than second
Luminous power, the first pulse width are not less than the second pulse width, and the first spot diameter is not less than the second spot diameter, the first scanning
Speed is not less than the second scanning speed, and the first filling spacing is not less than the second filling spacing, the first scanning times and the second scanning
Number of times is arranged between 1~10 time, according to the pollution level of part, is finally determined by engineer testing.
As shown in figure 3, in a specific embodiment, there is dirt 91,92,93 in the surface 71 of part 7, cleaning process is such as
Under:The threedimensional model of part is obtained first,
Then setting roughening laser cleaning parameter is as follows, and laser power is 200W, and pulse width is in 100ns, scanning speed
In 3000mm/s, in 0.2mm, filling spacing is 0.15mm to laser surface focal beam spot diameter, and scanning times are once, to part
Carry out overall quickly cleaning;
After roughening cleaning terminates, the subregion of piece surface still suffers from a small amount of dirt 911,921, arranges fine laser
Cleaning parameterses are as follows:Laser power is 150W, and, in 20ns, scanning speed is in 1000mm/s, laser surface focusing light for pulse width
In 0.1mm, filling spacing is 0.06mm to spot diameter, and scanning times are twice, the specific region that there is dirt are carried out fine clear
Wash, thoroughly cleaning cleaning piece surface.
For the polymorphic structure part that there is hole, according to the threedimensional model of part, control laser instrument to hole location not
Open the light beam, it is to avoid sweeps damage workbench.
The laser accurate cleaning device of the part of the present invention and method, first carry out overall roughening cleaning, then to part
The cleaning that becomes more meticulous is carried out to the specific region that there is dirt, cleaning efficiency can be not only substantially improved, and is not in over cleaning, clear
Halfway problem is washed, cleaning performance is good.
The above is presently preferred embodiments of the present invention and its know-why that is used, for those skilled in the art
For, without departing from the spirit and scope of the present invention, any based on technical solution of the present invention on the basis of equivalent change
Change, simply replacement etc. obviously changes, belong within the scope of the present invention.
Claims (9)
1. the laser accurate cleaning device of part, including laser instrument, Three-Dimensional Dynamic focus scanning system, computer control system,
Characterized in that, the computer control system includes that model acquiring unit, parameter set unit, data base, parameter read and defeated
Go out unit,
Model acquiring unit, for obtaining the threedimensional model of part to be cleaned;
Parameter set unit, for arranging roughening laser cleaning parameter, and generates corresponding roughening processing layer data, for arranging
Fine laser cleaning parameter, and corresponding retrofit layer data is generated,
Data base, for preserving the roughening processing layer data and retrofit layer data;
Parameter reads and output unit, for reading the roughening processing layer data and retrofit layer data, and exports sharp to this
Light device and Three-Dimensional Dynamic focus scanning system.
2. the laser accurate cleaning device of part according to claim 1, it is characterised in that the Three-Dimensional Dynamic is focused on and swept
Retouching system carries out entirety, Rapid Cleaning according to the roughening processing layer data to part, and afterwards, the Three-Dimensional Dynamic focuses on scanning
System is finely cleaned to the specific region of part according to the retrofit layer data.
3. the laser accurate cleaning device of part according to claim 1, it is characterised in that the roughening laser cleaning ginseng
Number includes that first laser power, the first pulse width, first laser focal spot, the first scanning speed, the first filling spacing, first are swept
Retouch number of times.
4. the laser accurate cleaning device of part according to claim 3, it is characterised in that the fine laser cleaning ginseng
Number includes that second laser power, the second pulse width, second laser focal spot, the second scanning speed, the second filling spacing, second are swept
Retouch number of times.
5. the laser accurate cleaning device of part according to claim 4, it is characterised in that the first laser power is not
Second laser power is less than, first pulse width is not less than the second pulse width, and the first laser focal spot is not less than the
Dual-laser focal spot, first scanning speed are not less than the second scanning speed, and the first filling spacing is not less than the second filling
Spacing, first scanning times and the second scanning times are 1-10 time.
6. the laser accurate cleaning method of part, it is characterised in that include:
S1, the threedimensional model for obtaining part to be cleaned;
S2:Roughening laser cleaning parameter is set, generates roughening processing layer data, thick according to this with Three-Dimensional Dynamic focus scanning system
Changing processing layer data carries out globality cleaning to part;
S3:Fine laser cleaning parameter is set, generates retrofit layer data, with the Three-Dimensional Dynamic focus scanning system according to this
Retrofit layer data is cleaned to the specific region of part.
7. the laser accurate cleaning method of part according to claim 6, it is characterised in that the roughening laser cleaning ginseng
Number includes that first laser power, the first pulse width, first laser focal spot, the first scanning speed, the first filling spacing, first are swept
Retouch number of times.
8. the laser accurate cleaning method of part according to claim 7, it is characterised in that the fine laser cleaning ginseng
Number includes that second laser power, the second pulse width, second laser focal spot, the second scanning speed, the second filling spacing, second are swept
Retouch number of times.
9. the laser accurate cleaning method of part according to claim 8, it is characterised in that the first laser power is not
Second laser power is less than, first pulse width is not less than the second pulse width, and the first laser focal spot is not less than the
Dual-laser focal spot, first scanning speed are not less than the second scanning speed, and the first filling spacing is not less than the second filling
Spacing, first scanning times and the second scanning times are 1-10 time.
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CN106824923A (en) * | 2017-03-16 | 2017-06-13 | 融之航信息科技(苏州)有限公司 | A kind of composite material surface coated laser cleaning device and its cleaning method |
CN107243633A (en) * | 2017-05-26 | 2017-10-13 | 苏州菲镭泰克激光技术有限公司 | Laser increases and decreases material composite manufacturing device and method |
CN107737928A (en) * | 2017-09-28 | 2018-02-27 | 武汉大学 | Metal 3D printing successively surface laser cleaning method |
CN107813053A (en) * | 2017-09-26 | 2018-03-20 | 上海航天精密机械研究所 | The sweep-out method of Aluminum alloy anode oxidation film layer |
CN108160620A (en) * | 2017-12-29 | 2018-06-15 | 武汉金顿激光科技有限公司 | A kind of face of weld Paint removing process |
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CN110280536A (en) * | 2019-06-27 | 2019-09-27 | 大族激光科技产业集团股份有限公司 | Laser cleaner and its cleaning method |
CN110899252A (en) * | 2019-11-29 | 2020-03-24 | 湖北工业大学 | Intelligent control system and method for laser cleaning |
CN111001940A (en) * | 2019-12-24 | 2020-04-14 | 武汉翔明激光科技有限公司 | Laser uniform cleaning method based on laser and galvanometer linkage control |
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CN107813053A (en) * | 2017-09-26 | 2018-03-20 | 上海航天精密机械研究所 | The sweep-out method of Aluminum alloy anode oxidation film layer |
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CN109261650A (en) * | 2018-10-16 | 2019-01-25 | 武汉金顿激光科技有限公司 | A kind of laser cleaning system and its cleaning method of nuclear reactor tank body fused salt |
BE1026814B1 (en) * | 2018-11-29 | 2020-06-30 | Netalux Nv | LASER-BASED SURFACE TREATMENT |
CN109590289A (en) * | 2018-12-27 | 2019-04-09 | 吴忠仪表有限责任公司 | A kind of method of valve non-planar surfaces laser cleaning |
CN109719086A (en) * | 2018-12-29 | 2019-05-07 | 江苏大学 | A kind of bidifly light cleaning apparatus and its method |
CN109719086B (en) * | 2018-12-29 | 2021-09-10 | 江苏大学 | Double-laser cleaning device and method |
CN110280536A (en) * | 2019-06-27 | 2019-09-27 | 大族激光科技产业集团股份有限公司 | Laser cleaner and its cleaning method |
CN110899252A (en) * | 2019-11-29 | 2020-03-24 | 湖北工业大学 | Intelligent control system and method for laser cleaning |
CN110899252B (en) * | 2019-11-29 | 2021-09-24 | 湖北工业大学 | Intelligent control system and method for laser cleaning |
CN111001940A (en) * | 2019-12-24 | 2020-04-14 | 武汉翔明激光科技有限公司 | Laser uniform cleaning method based on laser and galvanometer linkage control |
CN111360400A (en) * | 2020-03-23 | 2020-07-03 | 上海电机学院 | Welding method for automobile aluminum cast radiator |
CN112475505A (en) * | 2020-11-24 | 2021-03-12 | 爱发科电子材料(苏州)有限公司 | Welding structure and welding method for target and back plate |
CN115045168A (en) * | 2022-07-27 | 2022-09-13 | 北京开拓蔚蓝科技发展有限公司 | Dual-wavelength laser glue removing device and method |
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Application publication date: 20170315 |