CN103212873A - Quick correction method for galvanometer correction system - Google Patents
Quick correction method for galvanometer correction system Download PDFInfo
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- CN103212873A CN103212873A CN2012100157013A CN201210015701A CN103212873A CN 103212873 A CN103212873 A CN 103212873A CN 2012100157013 A CN2012100157013 A CN 2012100157013A CN 201210015701 A CN201210015701 A CN 201210015701A CN 103212873 A CN103212873 A CN 103212873A
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Abstract
The invention relates to a quick correction method for a precise galvanometer correction system and mainly solves the problems that a galvanometer correction system in the prior art is time-consuming, labor-consuming and is high in cost. The invention adopts the quick correction method for the precise galvanometer correction system. The galvanometer correction system comprises a galvanometer correction plate, a CCD (charge coupled device) image acquisition device and an image processing module, wherein a galvanometer scanning module controls laser to form a matrix target on the galvanometer correction plate; the CCD image acquisition device is used for carrying out image acquisition to the matrix target on the galvanometer correction plate; and the image processing module is used for outputting a galvanometer compensation file to correct the galvanometer after processing the matrix target collected by the CCD image acquisition device. By adopting the technical scheme, the problems are well solved, and the quick correction method for the galvanometer correction system is applicable to laser machining industry.
Description
Technical field
The present invention relates to a kind of method for quickly correcting of accurate galvanometer corrective system.
Background technology
In laser processing technology, generally be to utilize galvanometer control light path to process the figure and the character of various complexity; Ambient temperature and humidity disturbs owing to existing, motor is lost reasons such as step, galvanometer can produce deviation after using certain hour, thereby cause the zone of vibration mirror scanning in process and splicing place between the zone to form deviation, product processing failure, will carry out error compensation to reduce this deviation this moment to galvanometer.
Conventional art is after beating matrix target on the correcting plate, measure in conjunction with subsidiary equipment (as Quadratic Finite Element etc.) again, by manually calculating theoretical with actual deviation, generate correction file by the compensation software for calculation again, so not only time-consuming, also need special survey crew and expensive subsidiary equipment; At high-intensity processing operation, the high accuracy galvanometer will be done on an average of every two days once and proofread and correct, and conventional art is carried out unavoidably wastes time and energy.Existing technology is generally utilizes laser to get matrix on target, is utilizing the single figure of CCD to grasp successively, and whole laser was beaten matrix target 1 minute consuming time, but needed 40 minutes but CCD grasps whole target, whole consuming time serious.
Chinese patent CN101513693 discloses a kind of galvanometer corrective system and bearing calibration thereof; The galvanometer corrective system comprises: the galvanometer correcting plate forms matrix target by vibration mirror scanning module controls laser on described galvanometer correcting plate; The ccd image harvester is used for the matrix target on the described galvanometer correcting plate is carried out IMAQ; And image processing module, be used for that the matrix target of described ccd image harvester collection is handled back output galvanometer compensation file galvanometer is proofreaied and correct.
The present invention proposes a kind of galvanometer corrective system and bearing calibration, to solve the existing galvanometer corrective system high problem of cost that wastes time and energy.
Summary of the invention
Technical problem to be solved by this invention is the existing galvanometer corrective system high problem of cost that wastes time and energy, and the invention provides a kind of method for quickly correcting of accurate galvanometer corrective system, this galvanometer corrective system simple and stable, bearing calibration rapid and convenient.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of method for quickly correcting of galvanometer corrective system, and described galvanometer corrective system comprises galvanometer correcting plate, vibration mirror scanning module, ccd image harvester and image processing module; Vibration mirror scanning module controls laser forms matrix target on described galvanometer correcting plate; The ccd image harvester carries out IMAQ to the matrix target on the described galvanometer correcting plate, and after image processing module was handled the matrix target of described ccd image harvester collection, output galvanometer compensation file was proofreaied and correct galvanometer; The method for quickly correcting of described galvanometer corrective system comprises following several steps:
A) CCD proofreaies and correct, and circular hole of cutting moves to the roundlet position with CCD on the galvanometer correcting plate, and mobile machine console makes CCD capture home position, calculates CCD Offset value, and is input to control system, finishes CCD and proofreaies and correct;
B) vibration mirror scanning module controls laser forms matrix target on the galvanometer correcting plate, and the ccd image harvester carries out IMAQ to matrix target;
C) image processing module is handled the matrix target of above-mentioned ccd image harvester collection synchronously, handles back generation galvanometer compensation file galvanometer is proofreaied and correct.
In the technique scheme, in the step c) galvanometer being carried out bearing calibration is: the zone that galvanometer will be proofreaied and correct is divided into several zonules, in the time of laser marking target next one zone, CCD is the position picture in a zone on the collection target capable of taking pictures, computer contrasts the picture target placement of theoretical target placement and collection simultaneously, thereby calculate compensation, when target practice is finished, generate the galvanometer correction file.
Concrete bearing calibration is as follows:
1, CCD proofreaies and correct: cutting one roundlet (for example circle of radius 0.5mm) on the galvanometer correcting plate, CCD is moved to the roundlet position, and mobile machine console makes CCD capture home position, calculates CCD Offset value and is input to control system, so far, CCD proofreaies and correct and finishes.
2, vibration mirror scanning module controls laser forms in the matrix target on the galvanometer correcting plate, and the ccd image harvester carries out IMAQ to matrix target; And image processing module can handle the matrix target of described ccd image harvester collection synchronously, handles the back and generates galvanometer compensation file galvanometer is proofreaied and correct.
Galvanometer is proofreaied and correct realizing method is: the zone that galvanometer will be proofreaied and correct is divided into several zonules, in the time of laser marking target region 2, CCD is the position picture of collection target area 1 capable of taking pictures, computer can contrast the picture target placement of theoretical target placement and collection simultaneously, thereby calculates compensation.So when finishing when practicing shooting, the galvanometer correction file can generate.
The invention has the advantages that:
1, the ccd image harvester that the galvanometer corrective system that provides adopts machine to carry carries out IMAQ to the matrix target on the galvanometer correcting plate, need not can realize correction to galvanometer quickly and easily by auxiliary equipment.
2, three kinds of work (image is handled for laser target shooting, ccd image collection) are carried out synchronously, have saved the time that galvanometer is proofreaied and correct greatly, have realized quick correction truly.
Galvanometer corrective system and bearing calibration that the present invention proposes have solved the existing galvanometer corrective system high problem of cost that wastes time and energy, the corrective system simple and stable, and galvanometer is proofreaied and correct rapid and convenient, has obtained better technical effect.
Description of drawings
Fig. 1 is a galvanometer corrective system schematic diagram.
The method flow schematic diagram that Fig. 2 proofreaies and correct for galvanometer system.
Fig. 3 is that laser target shooting, CCD gather, image is handled and carried out schematic diagram synchronously.
Among Fig. 1,1 is the ccd image harvester; 2 is the vibration mirror scanning module; 3 is the galvanometer correcting plate.
The invention will be further elaborated below by specific embodiment, but be not limited only to present embodiment.
Specific embodiment
[embodiment 1]
A kind of galvanometer corrective system comprises galvanometer correcting plate, vibration mirror scanning module, ccd image harvester and image processing module; Vibration mirror scanning module controls laser forms matrix target on described galvanometer correcting plate; The ccd image harvester carries out IMAQ to the matrix target on the described galvanometer correcting plate, and after image processing module was handled the matrix target of described ccd image harvester collection, output galvanometer compensation file was proofreaied and correct galvanometer.
The method for quickly correcting of described galvanometer corrective system comprises following several steps:
A) CCD proofreaies and correct, circular hole of cutting on the galvanometer correcting plate, and diameter is 1mm, and CCD is moved to the roundlet position, mobile machine console makes CCD capture home position, calculates CCD Offset value, and is input to control system, finishes CCD and proofreaies and correct;
B) vibration mirror scanning module controls laser forms matrix target on the galvanometer correcting plate, and the ccd image harvester carries out IMAQ to matrix target;
C) image processing module is handled the matrix target of above-mentioned ccd image harvester collection synchronously, handles back generation galvanometer compensation file galvanometer is proofreaied and correct.
[embodiment 2]
A kind of galvanometer corrective system as shown in Figure 1, comprising: galvanometer correcting plate (clean smooth paper gets final product) forms matrix target by vibration mirror scanning module controls laser on described galvanometer correcting plate; The ccd image harvester is used for the matrix target on the described galvanometer correcting plate is carried out IMAQ; Image processing module, after being used for the matrix target of described ccd image harvester collection handled, output galvanometer compensation file is proofreaied and correct galvanometer.
Concrete bearing calibration is as follows:
3, CCD proofreaies and correct: cutting one roundlet (for example circle of radius 0.5mm) on the galvanometer correcting plate, CCD is moved to the roundlet position, and mobile machine console makes CCD capture home position, calculates CCD Offset value and is input to control system, so far, CCD proofreaies and correct and finishes.
4, vibration mirror scanning module controls laser forms in the matrix target on the galvanometer correcting plate, and the ccd image harvester carries out IMAQ to matrix target; And image processing module can handle the matrix target of described ccd image harvester collection synchronously, handles the back and generates galvanometer compensation file galvanometer is proofreaied and correct.
Galvanometer is proofreaied and correct realizing method is: the zone that galvanometer will be proofreaied and correct is divided into several zonules, in the time of laser marking target region 2, CCD is the position picture of collection target area 1 capable of taking pictures, computer can contrast the picture target placement of theoretical target placement and collection simultaneously, thereby calculates compensation.So when finishing when practicing shooting, the galvanometer correction file can generate.
[embodiment 3]
A kind of galvanometer corrective system as shown in Figure 1, comprising: galvanometer correcting plate (clean smooth paper gets final product) forms matrix target by vibration mirror scanning module controls laser on described galvanometer correcting plate; The ccd image harvester is used for the matrix target on the described galvanometer correcting plate is carried out IMAQ; Image processing module, after being used for the matrix target of described ccd image harvester collection handled, output galvanometer compensation file is proofreaied and correct galvanometer.
Adopt above-mentioned galvanometer corrective system to carry out the method that galvanometer is proofreaied and correct, as shown in Figure 2, step is as follows:
CCD proofreaies and correct: cutting one roundlet (for example circle of radius 0.5mm) on the galvanometer correcting plate, CCD is moved to the roundlet position, and mobile machine console makes CCD capture home position, calculates CCD Offset value and is input to control system, so far, CCD proofreaies and correct and finishes.
Vibration mirror scanning module controls laser forms in the matrix target on the galvanometer correcting plate, and the ccd image harvester carries out IMAQ to matrix target; And image processing module can handle the matrix target of described ccd image harvester collection synchronously, handles the back and generates galvanometer compensation file galvanometer is proofreaied and correct.
Galvanometer is proofreaied and correct realizing method: as shown in Figure 3, the zone that galvanometer will be proofreaied and correct is divided into several zonules, in the time of light mark target region 2, CCD is the position picture of collection target area 1 capable of taking pictures, computer can contrast the picture target placement of theoretical target placement and collection simultaneously, thereby calculates compensation.So when finishing when practicing shooting, the galvanometer correction file can generate.
The invention solves the existing galvanometer corrective system high problem of cost that wastes time and energy, the positive system simple and stable, galvanometer is proofreaied and correct rapid and convenient.
Claims (2)
1. the method for quickly correcting of a galvanometer corrective system, described galvanometer corrective system comprises galvanometer correcting plate, vibration mirror scanning module, ccd image harvester and image processing module; Vibration mirror scanning module controls laser forms matrix target on described galvanometer correcting plate; The ccd image harvester carries out IMAQ to the matrix target on the described galvanometer correcting plate, and after image processing module was handled the matrix target of described ccd image harvester collection, output galvanometer compensation file was proofreaied and correct galvanometer; The method for quickly correcting of galvanometer corrective system comprises following several steps:
A) CCD proofreaies and correct, and circular hole of cutting moves to the roundlet position with CCD on the galvanometer correcting plate, and mobile machine console makes CCD capture home position, calculates CCD Offset value, and is input to control system, finishes CCD and proofreaies and correct;
B) vibration mirror scanning module controls laser forms matrix target on the galvanometer correcting plate, and the ccd image harvester carries out IMAQ to matrix target;
C) image processing module is handled the matrix target of above-mentioned ccd image harvester collection synchronously, handles back generation galvanometer compensation file galvanometer is proofreaied and correct.
2. galvanometer corrective system according to claim 1 is carried out the method that galvanometer is proofreaied and correct, it is characterized in that in the step c) galvanometer being carried out bearing calibration is: the zone that galvanometer will be proofreaied and correct is divided into several zonules, in the time of laser marking target next one zone, CCD is the position picture in a zone on the collection target capable of taking pictures, computer contrasts the picture target placement of theoretical target placement and collection simultaneously, thereby calculate compensation, when target practice is finished, generate the galvanometer correction file.
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| CN104236584A (en) * | 2014-03-24 | 2014-12-24 | 昆山万像光电有限公司 | Multi-CCD image correction system and method |
| CN104259656A (en) * | 2014-08-20 | 2015-01-07 | 湖南华曙高科技有限责任公司 | Laser galvanometer calibration system and calibration method thereof |
| CN104439698A (en) * | 2014-11-26 | 2015-03-25 | 北京凌云光技术有限责任公司 | Calibration method and device used for laser processing system |
| CN104475970A (en) * | 2014-12-01 | 2015-04-01 | 大族激光科技产业集团股份有限公司 | Laser equipment and laser scanning galvanometer array calibrating method |
| CN104677594A (en) * | 2013-11-27 | 2015-06-03 | 大族激光科技产业集团股份有限公司 | Laser precision galvanometer calibration accuracy detection method and system |
| CN105345254A (en) * | 2015-12-04 | 2016-02-24 | 湖北工业大学 | Calibration method for positional relation between paraxial type visual system and laser vibrating mirror machining system |
| CN105598579A (en) * | 2016-03-29 | 2016-05-25 | 深圳英诺激光科技有限公司 | Laser processing device and method for carrying out vision positioning based on two coaxial CCDs |
| CN105945421A (en) * | 2016-06-15 | 2016-09-21 | 广州南沙3D打印创新研究院 | Calibrating system of three-axis galvanometer and calibrating method thereof |
| CN110919184A (en) * | 2019-12-27 | 2020-03-27 | 广东工业大学 | Compensation method of mobile laser galvanometer welding system |
| CN111186217A (en) * | 2018-11-15 | 2020-05-22 | 苏州苏大维格科技集团股份有限公司 | Laser printing system with galvanometer checking function |
| CN112650504A (en) * | 2020-12-31 | 2021-04-13 | 鹤山市世安电子科技有限公司 | Method, device and storage medium for converting common gong machine program into CCD gong machine program |
| CN116423084A (en) * | 2023-06-02 | 2023-07-14 | 武汉船舶职业技术学院 | Automatic correction method and system for 2D vibrating mirror without additional equipment |
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| CN104677594B (en) * | 2013-11-27 | 2018-02-09 | 大族激光科技产业集团股份有限公司 | Laser accurate galvanometer calibration accuracy detection method and system |
| CN104677594A (en) * | 2013-11-27 | 2015-06-03 | 大族激光科技产业集团股份有限公司 | Laser precision galvanometer calibration accuracy detection method and system |
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| CN104439698B (en) * | 2014-11-26 | 2016-08-24 | 北京凌云光技术有限责任公司 | Scaling method and device for laser-processing system |
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| CN104475970A (en) * | 2014-12-01 | 2015-04-01 | 大族激光科技产业集团股份有限公司 | Laser equipment and laser scanning galvanometer array calibrating method |
| CN105345254A (en) * | 2015-12-04 | 2016-02-24 | 湖北工业大学 | Calibration method for positional relation between paraxial type visual system and laser vibrating mirror machining system |
| CN105345254B (en) * | 2015-12-04 | 2017-03-22 | 湖北工业大学 | Calibration method for positional relation between paraxial type visual system and laser vibrating mirror machining system |
| CN105598579A (en) * | 2016-03-29 | 2016-05-25 | 深圳英诺激光科技有限公司 | Laser processing device and method for carrying out vision positioning based on two coaxial CCDs |
| CN105945421A (en) * | 2016-06-15 | 2016-09-21 | 广州南沙3D打印创新研究院 | Calibrating system of three-axis galvanometer and calibrating method thereof |
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| CN110919184A (en) * | 2019-12-27 | 2020-03-27 | 广东工业大学 | Compensation method of mobile laser galvanometer welding system |
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| CN116423084A (en) * | 2023-06-02 | 2023-07-14 | 武汉船舶职业技术学院 | Automatic correction method and system for 2D vibrating mirror without additional equipment |
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Application publication date: 20130724 |