CN104971927A - Laser cleaning equipment based on fiber laser unit - Google Patents
Laser cleaning equipment based on fiber laser unit Download PDFInfo
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- CN104971927A CN104971927A CN201510343456.2A CN201510343456A CN104971927A CN 104971927 A CN104971927 A CN 104971927A CN 201510343456 A CN201510343456 A CN 201510343456A CN 104971927 A CN104971927 A CN 104971927A
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- module
- laser
- optical fiber
- polygonal mirror
- fiber laser
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Lasers (AREA)
Abstract
The invention discloses laser cleaning equipment based on a fiber laser unit. The laser cleaning equipment comprises a fiber laser unit module, a polygonal mirror scanning module, a central control module, a refrigeration module and a power supply module, wherein the power supply module is electrically connected to the fiber laser unit module, the polygonal mirror scanning module, the central control module and the refrigeration module; the fiber laser unit module, the polygonal mirror scanning module and the refrigeration module are electrically connected to the central control module; the fiber laser unit module is connected to the polygonal mirror scanning module through an optical fiber, and a laser beam generated by the fiber laser unit module is transmitted to the polygonal mirror scanning module through the optical fiber. The laser cleaning equipment disclosed by the invention is high in cleaning cleanliness and efficiency; a substrate is not damaged; operation and monitoring are convenient; operation and maintenance cost is low; on-line cleaning is easy; and no secondary pollution is caused.
Description
Technical field
The present invention relates to a kind of laser cleaning equipment, refer in particular to a kind of laser cleaning equipment based on optical fiber laser.
Background technology
In productive life, various equipment and product all can be formed or some noxious pollutants of adhering on surface in production or use procedure, accumulate over a long period and can have a strong impact on its surface aesthetic and stable performance.Therefore, some means such as physics, chemistry must be adopted to remove these pollutants, make article reach fixed cleanliness factor and other property indices.
At present, the most frequently used cleaning means have the cleaning of manual/mechanical rubbing manipulation, Chemical cleaning, Cleaning by High Pressure Water Jet, shot-peening and Ultrasonic Cleaning etc.Manual/mechanical rubbing manipulation exists to waste time and energy, easily damage the shortcoming such as substrate, poor working environment; Chemical cleaning method is relatively cheap, but there is the recovery of selective strong, the chemical agent of cleaning and the problem such as emission treatment is difficult to, secondary pollution is serious; The difficult problems such as Cleaning by High Pressure Water Jet method existence and stability is poor, operation/monitoring is difficult, consume great lot of water resources, noise is very large; The abrasive material that shot-peening ablution sprays needs to reclaim, and there is cost and endangers the shortcomings such as large greatly, to operator compared with high, labour intensity; The cleaning objects of ultrasonic cleaning process is size-constrained, also there is cleaning agent to change/process is inconvenient, cost is high, secondary pollution problems.
Along with extensive use and the development of laser technology, novel laser cleaning technique is also developed.It utilizes high power density laser bundle to irradiate the surface of object to be cleaned, causes the dirt on surface, coating or oxide layer generation flash evapn, breaks or peel off, and depart from object surface.Laser cleaning technique be considered to one the most reliably, the most effective " green " clean solution.Compared with conventional cleaning process, laser cleaning has cleaning degree and efficiency high (pulsed laser energy and frequency high), do not damage substrate (without grinding with without fuel factor), operation/monitoring convenient (laser direction is good, energy and frequency-adjustable joint), operations/maintenance cost low (stabilization of equipment performance good and pure power consumption), be easy to on-line cleaning the feature such as (contactless and locate standard), non-secondary pollution (luminous energy will dissipate with form of thermal energy).In addition, laser cleaning can solve some and adopt the very scabrous problem of conventional clean mode, such as, removes submicron particles dirt in semi-conductor industry.On overall, laser cleaning technique overcomes every shortcoming of conventional cleaning process substantially.
The laser cleaning equipment of current exploitation with solid state laser and vibration mirror scanning head for core.Wherein, high power solid state laser is expensive, and cause cleaning equipment on the high side, cost is high, and vast middle and low-end market is promoted and is difficult to; Laser generates heat amount is large, needs water-cooling system, causes cleaning equipment size bigger than normal, and application place is limited; The sweep speed of vibration mirror scanning head is difficult to raising and size is also difficult to reduce, and causes improving cleaning efficiency and non-easy cleaning small articles inner surface further.Visible, the laser cleaning equipment being core with solid state laser and vibration mirror scanning head is subject to a lot of technology and market application restriction, hinders applying of the laser cleaning technique had a high potential.
Summary of the invention
In order to solve the high and problem that cleaning efficiency is low of existing laser cleaning equipment cost, the present invention proposes a kind of laser cleaning equipment based on optical fiber laser.
The technical solution adopted in the present invention is: a kind of laser cleaning equipment based on optical fiber laser, comprise optical fiber laser module, polygonal mirror scan module, central control module, refrigeration module and supply module, described supply module respectively with optical fiber laser module, polygonal mirror scan module, central control module, refrigeration module is electrically connected, described optical fiber laser module, polygonal mirror scan module, refrigeration module is electrically connected with central control module respectively, Fiber connection is passed through between optical fiber laser module and polygonal mirror scan module, the laser beam that optical fiber laser module produces is sent to polygonal mirror scan module by optical fiber.
The present invention proposes the laser cleaning equipment of a superior performance, complete function, application is extensive, as the paint removal of automobile, boats and ships, aircraft, and the paint removal rust cleaning of all kinds of iron structure, the removing oxide layer of various metal, the cleaning etc. of mould, precision component, stone material.The present invention is used to carry out clean dirt, cleaning degree and efficiency is high, do not damage substrate, operation/monitoring facilitates, operation/maintenance cost is low, be easy to on-line cleaning, non-secondary pollution etc.
As preferably, described optical fiber laser module comprises seed laser source, multistage MOPA and fiber output head, the input of multistage MOPA is connected with seed laser source, and the input of multistage MOPA is connected with fiber output head.The present invention adopts high-power optical fiber laser as the LASER Light Source of laser cleaning equipment first, can provide the pulse peak power density meeting various cleaning demand.Compared with conventional solid laser instrument, this optical fiber laser module has lower price, higher photoelectric transformation efficiency, lower caloric value, higher pulse recurrence frequency and less size etc., such that cost is lower, more energy-conservation, cleaning efficiency is more high.The laser instrument that size is less makes laser cleaning compact equipment, is easy to make portable or Backpack type, and application place is by unrestricted.
As preferably, described multistage MOPA is made up of several power amplification subelements connected successively, described power amplification subelement comprises several semiconductor pumping sources, fiber coupler and double-cladding doped fiber, one end of described fiber coupler is connected with several semiconductor pumping sources, and one end of described fiber coupler is connected with double-cladding doped fiber.
As preferably, described polygonal mirror scan module comprises beam shaping system, speculum, polygonal mirror, motor and strip cylindrical mirror, described polygonal mirror is connected with motor, and beam shaping system, speculum, polygonal mirror and strip cylindrical mirror set gradually the light path forming laser beam.The laser beam that optical fiber laser module exports incides beam shaping system, and laser beam is collimated, expand and assemble, then after the reflection of polygonal mirror reflecting surface, be incident to strip cylindrical mirror; Laser beam is incident to cleaning object surface again after the reflection of strip cylindrical mirror; Polygonal mirror carries out High Rotation Speed by driven by motor at a high speed, realizes the rapid scanning of the laser facula on cleaning object surface with this.Adopt polygonal mirror scan module at a high speed, compared with traditional scanning galvanometer, the sweep speed of more increasing had, higher stability and lower price, thus make that cleaning efficiency is higher, maintenance period is longer and cost is lower.
As preferably, described central control module comprises controller, touch-display unit, temperature monitoring and reverberation monitor, and described touch-display unit, temperature monitoring and reverberation monitor are electrically connected with controller respectively.The optimum configurations of conventional for store washing dirt is directly selected for operating personnel by central control module; In order to clean other dirts, provide the adjustment of pulsed laser energy and width; Central control module is also connected to temperature monitoring to regulate and control refrigeration module, ensures the operation of equipment normal table; Connect reverberation monitor to judge whether to automatically lock laser instrument, hinder substrate in case stop loss and accidentally injure related personnel.
Described reverberation monitor monitors enters the reverberation of scanning mouth, and numerical value is sent to described data processing unit.Data processing unit carries out locking according to reverberation characteristic to described high-capacity optical fiber laser module and controls, and hinders substrate in case stop loss and accidentally injures related personnel.
As preferably, described refrigeration module is air cooling system.Controller carries out switch control rule and wind speed adjustment according to temperature data to air cooling system.The air cooling system that size is less makes laser cleaning compact equipment, is easy to make portable or Backpack type, and application place is by unrestricted.
The invention has the beneficial effects as follows: cleaning degree and efficiency high, do not damage substrate, operation and monitoring convenient, run and maintenance cost low, be easy to on-line cleaning, non-secondary pollution.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the structural representation of optical fiber laser module;
Fig. 3 is the structural representation of polygonal mirror scan module;
Fig. 4 is the structural representation of central control module.
In figure, optical fiber laser module 1, polygonal mirror scan module 2, central control module 3, refrigeration module 4, laser beam 5, cleaning object 6, seed laser source 11, multistage MOPA 12, fiber output head 13, semiconductor pumping sources 121, fiber coupler 122, double-cladding doped fiber 123, beam shaping system 21, polygonal mirror 22, motor 23, strip cylindrical mirror 24, speculum 25, touch-display unit 31, data processing unit 32, temperature monitoring 33 and reverberation monitor 34.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in Figure 1, a kind of laser cleaning equipment based on optical fiber laser, be made up of optical fiber laser module 1, polygonal mirror scan module 2, central control module 3, refrigeration module 4 and supply module, wherein, supply module is electrically connected with optical fiber laser module, polygonal mirror scan module, central control module, refrigeration module respectively, optical fiber laser module, polygonal mirror scan module, refrigeration module are electrically connected with central control module respectively, pass through Fiber connection between optical fiber laser module and polygonal mirror scan module.
As shown in Figure 2, optical fiber laser module comprises seed laser source 11, multistage MOPA 12 and fiber output head 13, the input of multistage MOPA is connected with seed laser source, and the input of multistage MOPA is connected with fiber output head.Seed laser source provides the nanosecond pulse laser of lower-wattage, this lower powered nanosecond pulse laser is by after multistage MOPA, pulse peak power will be amplified to the threshold value needed for cleaning, form high-power laser beam, then through fiber exit to multiaspect scarnning mirror module.
Wherein, multistage MOPA is called for short MOPA, be made up of the multiple power amplification subelements connected successively, power amplification subelement comprises multiple semiconductor pumping sources 121, fiber coupler 122 and double-cladding doped fiber 123, one end of fiber coupler is connected with each semiconductor pumping sources, and one end of fiber coupler is connected with double-cladding doped fiber.The pump light of semiconductor pumping sources enters into double-cladding doped fiber by fiber coupler, and seed pulse laser is limited in transmitting in the fibre core of double-cladding doped fiber, and pump light is then limited in transmission in inner cladding.In both transmitting procedures, the power of seed pulse laser is progressively amplified.
As shown in Figure 3, polygonal mirror scan module 2 comprises beam shaping system 21, polygonal mirror 22, speculum 25, motor 23 and strip cylindrical mirror 24.The minute surface of speculum becomes an acute angle with the direction, shoot laser bundle place of beam shaping system, is preferably miter angle; Polygonal mirror is connected with motor, under the driving of motor, carry out High Rotation Speed; Multiple sides of polygonal mirror periphery are reflecting surface, and the laser beam that speculum reflects incides one of them side of polygonal mirror; Strip cylindrical mirror is incided from the laser beam of polygonal mirror outgoing; Thus, beam shaping system, speculum, polygonal mirror and strip cylindrical mirror set gradually the whole light path forming laser beam.
The laser beam that optical fiber laser module 1 exports incides beam shaping system, and laser beam will be collimated, expand and assemble, and focusing distance is adjustable, so that the operating distance realizing cleaning equipment is adjustable; Incide by the polygonal mirror of driven by motor High Rotation Speed reflecting surface after speculum reflection from the convergent beam of beam shaping system exit.In rotary course, convergent beam is constantly change to the incidence angle of a reflecting surface of polygonal mirror, thus the position making its folded light beam incide the curved reflecting surface of strip cylindrical mirror is also continuous change, laser beam 5 is made to go out straight line at cleaning object 6 surface scan.During High Rotation Speed, each reflecting surface of polygonal mirror can scan straight line, therefore can improve sweep speed further.
As shown in Figure 4, central control module 3 comprises touch-display unit 31, controller 32, temperature monitoring 33 and reverberation monitor 34.Touch-display unit selects for operating personnel the optimum configurations cleaning conventional dirt, also can directly regulate pulsed laser energy, pulse width and pulse recurrence frequency, and setting and the adjustment of these parameters all will make corresponding control and operation by controller 32.Controller regulates and controls refrigeration module by temperature monitoring, and the equipment of guarantee is in stable operation in suitable temperature range; The reverberation monitor being mounted on scanning mouth judges whether to automatically lock laser instrument, hinders substrate in case stop loss and accidentally injures related personnel.In addition, the key parameter of some laser cleaning equipment also can be presented on the display screen of touch-display unit by touch-display unit, observes for operating personnel.
Refrigeration module is made up of air cooling system.Whether central control module records temperature value according to connected temperature monitoring, control air cooling system and open and wind speed size, to ensure that laser cleaning equipment is operated in the temperature range of permission.
Supply module is made up of power adaption system, provides corresponding electric energy to each energy-consuming parts.
The present invention can be applied to multiple fields, as the paint removal of automobile, boats and ships, aircraft, and the paint removal rust cleaning of all kinds of iron structure, the removing oxide layer of various metal, the cleaning of mould, precision component, stone material, etc.The present invention is used to carry out clean dirt, cleaning degree and efficiency is high, do not damage substrate, operation/monitoring facilitates, operation/maintenance cost is low, be easy to on-line cleaning, non-secondary pollution etc.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within protection scope of the present invention.
Claims (6)
1. the laser cleaning equipment based on optical fiber laser, it is characterized in that: comprise optical fiber laser module, polygonal mirror scan module, central control module, refrigeration module and supply module, described supply module respectively with optical fiber laser module, polygonal mirror scan module, central control module, refrigeration module is electrically connected, described optical fiber laser module, polygonal mirror scan module, refrigeration module is electrically connected with central control module respectively, Fiber connection is passed through between optical fiber laser module and polygonal mirror scan module, the laser beam that optical fiber laser module produces is sent to polygonal mirror scan module by optical fiber.
2. the laser cleaning equipment based on optical fiber laser according to claim 1, it is characterized in that: described optical fiber laser module comprises seed laser source, multistage MOPA and fiber output head, the input of multistage MOPA is connected with seed laser source, and the input of multistage MOPA is connected with fiber output head.
3. the laser cleaning equipment based on optical fiber laser according to claim 2, it is characterized in that: described multistage MOPA is made up of several power amplification subelements connected successively, described power amplification subelement comprises several semiconductor pumping sources, fiber coupler and double-cladding doped fiber, one end of described fiber coupler is connected with several semiconductor pumping sources, and one end of described fiber coupler is connected with double-cladding doped fiber.
4. the laser cleaning equipment based on optical fiber laser according to claim 1, it is characterized in that: described polygonal mirror scan module comprises beam shaping system, speculum, polygonal mirror, motor and strip cylindrical mirror, described polygonal mirror is connected with motor, and beam shaping system, speculum, polygonal mirror and strip cylindrical mirror set gradually the light path forming laser beam.
5. the laser cleaning equipment based on optical fiber laser according to claim 1 or 2 or 3 or 4, it is characterized in that: described central control module comprises controller, touch-display unit, temperature monitoring and reverberation monitor, described touch-display unit, temperature monitoring and reverberation monitor are electrically connected with controller respectively.
6. the laser cleaning equipment based on optical fiber laser according to claim 1, is characterized in that: described refrigeration module is air cooling system.
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| CN201510343456.2A CN104971927B (en) | 2015-06-19 | 2015-06-19 | Laser cleaning equipment based on fiber laser unit |
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| CN201510343456.2A CN104971927B (en) | 2015-06-19 | 2015-06-19 | Laser cleaning equipment based on fiber laser unit |
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| CN104971927A true CN104971927A (en) | 2015-10-14 |
| CN104971927B CN104971927B (en) | 2017-04-12 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750743A (en) * | 2016-05-20 | 2016-07-13 | 上海市激光技术研究所 | Laser welding device and method based on laser cleaning pretreatment |
| CN106199951A (en) * | 2016-08-12 | 2016-12-07 | 武汉光谷航天三江激光产业技术研究院有限公司 | A kind of compact single shaft scanning means of laser cleaning machine |
| CN106623274A (en) * | 2016-12-07 | 2017-05-10 | 上海临仕激光科技有限公司 | Laser cleaning method for photovoltaic solar cell panel |
| CN108216411A (en) * | 2017-12-27 | 2018-06-29 | 武汉金顿激光科技有限公司 | The pretreating process of climbing robot and ship steel surface |
| WO2018205443A1 (en) * | 2017-05-09 | 2018-11-15 | 中国科学院半导体研究所 | Laser cleaning system |
| CN108994455A (en) * | 2018-08-24 | 2018-12-14 | 浙江镭弘激光科技有限公司 | A kind of efficient laser boring and cleaning optical system |
| CN109226096A (en) * | 2018-08-15 | 2019-01-18 | 中车青岛四方机车车辆股份有限公司 | A kind of Al-Mg-Zn alloy workpiece surface laser cleaning process |
| CN109590288A (en) * | 2018-11-28 | 2019-04-09 | 四川大学 | The method of laser cleaning light transmission medium transmission plane impurity |
| CN110653223A (en) * | 2019-09-26 | 2020-01-07 | 厦门理工学院 | Laser cleaning monitoring device and monitoring method thereof and laser cleaning machine |
| CN112296024A (en) * | 2020-09-21 | 2021-02-02 | 苏州浪潮智能科技有限公司 | Method for removing oxide layer on surface of golden finger |
| CN113663986A (en) * | 2021-02-03 | 2021-11-19 | 广东电网有限责任公司珠海供电局 | Laser live cleaning method for composite insulator material external insulation equipment |
| CN114669556A (en) * | 2022-03-30 | 2022-06-28 | 陕西闽顺建筑装饰工程有限公司 | Method for cleaning stone surface by nanosecond laser |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750743A (en) * | 2016-05-20 | 2016-07-13 | 上海市激光技术研究所 | Laser welding device and method based on laser cleaning pretreatment |
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| CN108216411A (en) * | 2017-12-27 | 2018-06-29 | 武汉金顿激光科技有限公司 | The pretreating process of climbing robot and ship steel surface |
| CN109226096A (en) * | 2018-08-15 | 2019-01-18 | 中车青岛四方机车车辆股份有限公司 | A kind of Al-Mg-Zn alloy workpiece surface laser cleaning process |
| CN108994455A (en) * | 2018-08-24 | 2018-12-14 | 浙江镭弘激光科技有限公司 | A kind of efficient laser boring and cleaning optical system |
| CN108994455B (en) * | 2018-08-24 | 2024-04-05 | 浙江君华智慧物联科技有限公司 | Efficient laser drilling and cleaning optical system |
| CN109590288A (en) * | 2018-11-28 | 2019-04-09 | 四川大学 | The method of laser cleaning light transmission medium transmission plane impurity |
| CN109590288B (en) * | 2018-11-28 | 2021-06-04 | 四川大学 | Method for cleaning impurities on transmission surface of light-transmitting medium by laser |
| CN110653223A (en) * | 2019-09-26 | 2020-01-07 | 厦门理工学院 | Laser cleaning monitoring device and monitoring method thereof and laser cleaning machine |
| CN112296024A (en) * | 2020-09-21 | 2021-02-02 | 苏州浪潮智能科技有限公司 | Method for removing oxide layer on surface of golden finger |
| CN113663986A (en) * | 2021-02-03 | 2021-11-19 | 广东电网有限责任公司珠海供电局 | Laser live cleaning method for composite insulator material external insulation equipment |
| CN114669556A (en) * | 2022-03-30 | 2022-06-28 | 陕西闽顺建筑装饰工程有限公司 | Method for cleaning stone surface by nanosecond laser |
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