CN205817090U - A kind of laser marking, bleaching system - Google Patents
A kind of laser marking, bleaching system Download PDFInfo
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- CN205817090U CN205817090U CN201620801364.4U CN201620801364U CN205817090U CN 205817090 U CN205817090 U CN 205817090U CN 201620801364 U CN201620801364 U CN 201620801364U CN 205817090 U CN205817090 U CN 205817090U
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- bleaching
- laser marking
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Abstract
The utility model discloses a kind of laser marking, bleaching system, device includes: laser instrument；Expand device, after being located at laser instrument；Galvanometer, is located at after expanding device；Lens, after being located at galvanometer；Mobile platform, is used for placing workpiece；Power detection device, detection is launched luminous power, and measurement data is fed back to industrial computer；Industrial computer, controls mark, bleaching.Laser marking of the present utility model, bleaching system, its having the beneficial effects that compared to existing technologies, this utility model is by the way of Feedback of Power, realize during mark, detect mark, bleaching results in real time, and analyze gap and the trend relation of mark, bleaching results and objective result, and then laser instrument, galvanometer, mobile platform are adjusted, this mode substantially increases mark, bleaching efficiency.
Description
Technical field
This utility model relates to laser marking, bleaching equipment technical field, particularly relates to a kind of Feedback of Power type laser and beats
Mark, bleaching system.
Background technology
The process aspects such as laser, due to the feature of self some excellence, in modern mark, is bleached, engraving have widely
Application.But, along with current industry standard is more and more higher, for the sample of laser marking, visual attractive in appearance except to have
Outside, also require have specific mark, bleaching degree, generally, the reflectance of material surface can be used to characterize it
Mark, the degree of bleaching.If operator carries out reflectance detection after off-test again, the most further revise next step examination
Test, owing to lacking the function of detection in real time, and real-time parameter can not be fed back to controller, adjust control in time,
So greatly reducing the work efficiency of mark.Therefore, need one badly and can carry high efficiency laser mark printing device.
Utility model content
The technical problems to be solved in the utility model is, for the deficiencies in the prior art, it is provided that one has inspection in real time
Survey, signal feeds back, and can improve the laser marking of work efficiency, bleaching system.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that.
A kind of laser marking, bleaching system, comprising:
One laser instrument, is used for launching laser；
One expands device, after being located at laser instrument, is used for arranging lasing beam diameter；
One galvanometer, is located at after expanding device, is used for controlling laser beam deflection；
One lens, after being located at galvanometer, are used for wearing and penetrate laser beam；
One mobile platform, towards the light emission side of lens, is used for placing workpiece；
One power detection device, described power detection device is electrically connected at industrial computer, is used for measuring mark, bleached area
The power of the described laser instrument reflection light at interior set point, and measurement data is fed back to industrial computer；
One industrial computer, calculates the reflectance of set point in mark, bleached area according to the reflected optical power of feedback, according to meter
Difference between calculation value and desired value, arranges the mark of optimization, Bleaching parametersThe, completes laser marking, bleaching task.
Wherein, also include that filter plate, described filter plate are located between power detection device and workpiece, be used for filtering veiling glare.
Wherein, described mobile platform is X-Y axle mobile platform.
Wherein, also including: a detection light source, described detection light source is irradiated on workpiece with the power emission light beam set and beats
Set point in mark, bleached area.
Wherein, also include that filter plate, described filter plate are located between power detection device and workpiece, be used for filtering veiling glare.
Wherein, described mobile platform is X-Y axle mobile platform.
Laser marking, bleaching system disclosed in this utility model, its having the beneficial effects that compared to existing technologies, this
Utility model is by the way of power data feeds back, it is achieved detects mark, bleaching results during mark in real time, and analyzes
The gap of mark, bleaching results and objective result and trend relation, and then laser instrument, galvanometer, mobile platform are adjusted, this
The mode of kind substantially increases mark, bleaching efficiency.
Accompanying drawing explanation
Fig. 1 is the first embodiment functional block diagram of laser marking of the present utility model, bleaching system.
Fig. 2 is the second embodiment functional block diagram of laser marking of the present utility model, bleaching system.
Detailed description of the invention
With embodiment, this utility model is described in more detail below in conjunction with the accompanying drawings.
The utility model discloses a kind of feedback type laser light mark, bleaching machine, as it is shown in figure 1, it includes:
One laser instrument 1, is used for launching laser；
One expands device 2, after being located at laser instrument 1, is used for arranging lasing beam diameter；
One galvanometer 3, is located at after expanding device 2, is used for controlling laser beam deflection；
One lens 4, after being located at galvanometer 3, are used for wearing and penetrate laser beam；
One mobile platform 5, towards the light emission side of lens 4, is used for placing workpiece 100；
One power detection device 7, it is electrically connected at industrial computer 8, is used for measuring in mark on workpiece 100, bleached area
Reflected optical power at set point；The power of this power detection device 7 detection comes from laser instrument or detects what light source was launched
Light beam；
One industrial computer 8, for accepting the real-time measurements of power detection device 7, and it is sharp to be used for controlling laser instrument 1 transmitting
Light, control galvanometer 3 and operate and control mobile platform 5 and translate, with make laser beam be gathered on workpiece 100 carrying out laser marking,
Bleaching.
As shown in Figure 2, in addition to using the laser of original laser instrument 1 and surface of the work is irradiated, it is also possible to add
Individually standalone probe light source 6, with certain power illumination workpiece predeterminable area, thus provides detection for power detection device 7
Reflection light.
In above-mentioned laser marking machine, the laser that laser instrument 1 sends enters galvanometer 3 and lens 4 after expanding device 2, its
In to expand the effect of device 2 be to be expanded by laser beam, increase beam diameter, to reduce focal beam spot size.This equipment expands
Bundle device 2 can be fixing multiple beam expanding lens, can also be the beam expanding lens of variable multiple, and expands according to specific experiment requirements set
The multiple of bundle.After laser enters galvanometer 3 and lens 4, focus on more than below workpiece to be processed 100 surface, surface or surface, and
Start workpiece 100 is processed, in the course of processing, can be to realize whole mark process by galvanometer 3 motion, it is possible to
Being to have been moved whole mark process by mobile platform 5, or come by galvanometer 3 and mobile platform 5 associated movement
Realize whole mark process.During laser marking, use a detection light source 6, be irradiated in given power emission light beam and beat
Mark, set point in bleached area, and measure the reflected optical power at this point measurement result is anti-by power detection device 7
It is fed to industrial computer 8；Industrial computer 8 calculates the reflectance at the set point in mark, bleached area in real time according to the data of feedback, and
Compare with desired value, adjust laser instrument 1 further according to comparative result, control galvanometer 3, the running parameter of mobile platform 5, continue
Mark, bleaching are until acquired reflectance reaches desired value.
Further, this laser marking, bleaching system also include filter plate 9, and this filter plate 9 is located at power detection device
Between 7 and workpiece 100, it is used for filtering veiling glare.
In the present embodiment, described mobile platform 5 is X-Y axle mobile platform, and i.e. this mobile platform 5 is planar along X-axis and Y
Axle both direction moves, thus synchronizes to drive workpiece 100 thereon.
Wherein, laser power feedback operation principle is as follows: be first processing laser or detection light source incident power be
Known P, the reflection power of the laser obtained by power detection device 7 or detection light source is P ', the reflection then detected
Performance number can be transferred to the software for calculation in industrial computer, formulas for calculating R=P '/P, and wherein R is that machining area set point exists
Reflectance at laser or detection optical source wavelength.Target reflectivity values R according to R Yu target effect0Compare, in industrial computer
Software for calculation can provide the relation of actual value and desired value, is then adjusted laser processing parameter according to this relation, for
For the processing technique of technical maturity, it is also possible to actual value is carried out letter with the relation of desired value with the adjustment of laser processing parameter
Single programming, it is achieved be automatically adjusted laser processing parameter in the course of processing at any time.
Described laser processing parameter includes: laser light incident power, frequency, pulsewidth, laser scanning speed, fill spacing,
Fill pattern, processing number of times, platform translational speed etc..
Laser based on said structure, bleaching marking machine, the invention also discloses a kind of laser marking, the adding of bleaching
Work method, the method comprises the following steps that
Step S1, is positioned over mobile platform by workpiece；
Step S2, arranges focal position of laser and laser processing parameter by industrial computer, opens laser instrument afterwards and carries out beating
Mark, bleaching；
Step S3, in laser marking, bleaching process, launches the light beam of given power to mark, bleaching district from detection light source
Set point in territory, by the reflected optical power at this point of power detection measurement device and by measurement feedback to industrial computer；
Step S4, industrial computer calculates the reflectance at the set point in mark, bleached area in real time according to the data of feedback,
And compare with desired value, adjust laser parameter and galvanometer, the running parameter of mobile platform further according to comparative result, continue
Mark, bleaching are until acquired reflectance reaches desired value.
I.e. this laser marking, bleaching processing method in, use real-time surface of the work machining state parameter, pass through merit
Rate detection device 7 feeds back to industrial computer 8 after obtaining, by industrial computer 8 adjustment to laser instrument 1, galvanometer 4 etc. real-time, logical
Cross the feedback control system of this closed loop, it is achieved laser marking, the fast accurate of bleaching, process efficiently.
Illustrate as a example by white plastic plate workpiece below: workpiece to be added is a white plastic plate, it will be carried out mark,
Target reflectivity values is R0, understanding through analyzing, the reflectance of color of object less than the reflectance of former workpiece to be added, then can obtain
Know, if real-time reflectance is less than desired value in the course of processing, then need to continue increase Laser Processing number of times or increase laser merit
The measures such as rate, increase the mark degree of depth or degree.
Using laser light incident power is P (can also be the incident power of probe source), first sets original laser processing
Parameter, carries out mark to machined part, and the real-time reflection power detected in the course of processing is P ', and this numeric feedback is to industry control
It is R that machine software for calculation obtains the reflectance of real-time machining area.If the R ＞ R obtained0, then need to continue to increase Laser Processing
The measures such as number of times or increase laser power, increase the mark degree of depth or degree.If the R ＜ R obtained0, then need to reduce Laser Processing
The measures such as number of times or reduction laser power, reduce the mark degree of depth or degree.If through operator or the experience of technical staff
Or theoretical derivation, draw reflectance and a certain or relation of some laser processing parameter, then can carry out letter in industrial computer
Single programming, and feed back to Laser Processing control software, it is achieved adjust laser processing parameter in real time to reach target effect.
The above is this utility model preferred embodiment, is not limited to this utility model, all in this practicality
Amendment, equivalent or the improvement etc. made in novel technical scope, should be included in the model that this utility model is protected
In enclosing.
Claims (6)
1. a laser marking, bleaching system, it is characterised in that including:
One laser instrument, is used for launching laser；
One expands device, after being located at laser instrument, is used for arranging lasing beam diameter；
One galvanometer, is located at after expanding device, is used for controlling laser beam deflection；
One lens, after being located at galvanometer, are used for wearing and penetrate laser beam；
One mobile platform, towards the light emission side of lens, is used for placing workpiece；
One power detection device, described power detection device is electrically connected at industrial computer, be used for measuring in mark, bleached area to
Laser instrument at fixed point or the power of detection source reflection light, and measurement data is fed back to industrial computer；
One industrial computer, calculates the reflectance of set point in mark, bleached area according to the reflected optical power of feedback, according to value of calculation
And the difference between desired value, arranges the mark of optimization, Bleaching parametersThe, complete laser marking, bleaching task.
2. laser marking, bleaching system as claimed in claim 1, it is characterised in that also include that filter plate, described filter plate set
Between power detection device and workpiece, it is used for filtering veiling glare.
3. as claimed in claim 1 laser marking, bleaching system, it is characterised in that it is flat that described mobile platform is that X-Y axle moves
Platform.
4. laser marking, bleaching system as claimed in claim 1, it is characterised in that also include: detection light source, described detection
Light source launches the mark that light beam is irradiated on workpiece, set point in bleached area with setting power.
5. laser marking, bleaching system as claimed in claim 4, it is characterised in that also include that filter plate, described filter plate set
Between power detection device and workpiece, it is used for filtering veiling glare.
6. as claimed in claim 4 laser marking, bleaching system, it is characterised in that it is flat that described mobile platform is that X-Y axle moves
Platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620801364.4U CN205817090U (en) | 2016-07-27 | 2016-07-27 | A kind of laser marking, bleaching system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620801364.4U CN205817090U (en) | 2016-07-27 | 2016-07-27 | A kind of laser marking, bleaching system |
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| CN205817090U true CN205817090U (en) | 2016-12-21 |
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| CN201620801364.4U Active CN205817090U (en) | 2016-07-27 | 2016-07-27 | A kind of laser marking, bleaching system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064279A (en) * | 2016-07-27 | 2016-11-02 | 深圳英诺激光科技有限公司 | A kind of laser marking, bleaching system and processing method thereof |
| CN112809170A (en) * | 2019-10-29 | 2021-05-18 | 大族激光科技产业集团股份有限公司 | Silicon wafer cutting device and method |
-
2016
- 2016-07-27 CN CN201620801364.4U patent/CN205817090U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064279A (en) * | 2016-07-27 | 2016-11-02 | 深圳英诺激光科技有限公司 | A kind of laser marking, bleaching system and processing method thereof |
| WO2018019002A1 (en) * | 2016-07-27 | 2018-02-01 | 英诺激光科技股份有限公司 | Laser marking and bleaching device, and processing method thereof |
| CN112809170A (en) * | 2019-10-29 | 2021-05-18 | 大族激光科技产业集团股份有限公司 | Silicon wafer cutting device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Shenzhen, Nanshan District science and Technology Park, North District, Long Hill Road, No. two, No. 8, Qing Guang photoelectric building, the Office (305) Patentee after: Innovo laser Polytron Technologies Inc Address before: 518000 Shenzhen, Nanshan District science and Technology Park, North District, Long Hill Road, No. two, No. 8, Qing Guang photoelectric building, the Office (305) Patentee before: Shenzhen Inno Laser Technology Co., Ltd. |