CN108127206A - A kind of laser brazing device of laser soldering processes transplantation method and portable data - Google Patents
A kind of laser brazing device of laser soldering processes transplantation method and portable data Download PDFInfo
- Publication number
- CN108127206A CN108127206A CN201711391168.XA CN201711391168A CN108127206A CN 108127206 A CN108127206 A CN 108127206A CN 201711391168 A CN201711391168 A CN 201711391168A CN 108127206 A CN108127206 A CN 108127206A
- Authority
- CN
- China
- Prior art keywords
- laser
- temperature
- parameter
- coordinate
- axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/005—Soldering by means of radiant energy
- B23K1/0056—Soldering by means of radiant energy soldering by means of beams, e.g. lasers, E.B.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to field of laser processing, spy is related to the laser brazing device of a kind of laser soldering processes transplantation method and portable data.The present invention corrects relative position Δ X and Δ Y according to the offset of product space and laser center position；Using infrared temperature sensor detection workpieces surface temperature while light extraction is interrupted, the correspondence of laser power and temperature is established in the unit interval to correct laser parameter, and full closed loop control mode dynamic regulation laser parameter is used during processing.The present invention can be fast automatic by more laser brazing device debugging to optimised process state.
Description
Technical field
The present invention relates to field of laser processing, spy is related to swashing for a kind of laser soldering processes transplantation method and portable data
Light brazing device.
Background technology
In laser soldering manufacture field, processing, the technological parameters such as position, watt level of laser directly affect processing production
The quality of product.And higher occasion is required in processing quality, the allowable fluctuation range of welding condition is smaller.When equipment batch
During quantization production, since the conformity of production such as laser lens, machined piece difference and worker such as assemble at the influence of factors, often
The optimal processing parameter of platform equipment is often different.If necessary by every equipment debugging to optimum Working, existing scheme
It is to use manually by platform equipment debugging.Even if optimal processing parameter is not much different, debugging repeatedly also consumes a large amount of manpower object
Power financial resources extend the preparatory period that equipment batch uses.After equipment periodic maintenance, processing parameter needs true one by one again
Recognize.These are all added significantly to the production and application cost of equipment.
In addition, with the raising that Product Process requires, requirement during processing to material surface temperature is also increasingly stringenter.
While laser technical parameters are transplanted, it is also desirable to the processing temperature of stringent control product surface.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of laser soldering processes transplantation method and portable datas
Laser brazing device.The present invention reads the ratio of laser covering product to adjust Δ Z using industrial camera and camera lens；Use industry
Camera and camera lens read product space, according to the offset of product space and laser center position correction relative position Δ X and Δ
Y；Using infrared temperature sensor detection workpieces surface temperature while lasting light extraction, establish in the unit interval laser power and
The correspondence of temperature come correct laser parameter and during processing using full closed loop control mode dynamic regulation laser join
Number.Device and method using the present invention can be in mass commissioning device, can be fast after the process debugging for completing an equipment
Speed automatically debugs other all devices to optimised process state, can also realize remote debugging and repair.
The technical scheme is that：A kind of laser brazing device of portable data is brazed head and three-dimensional including laser
Workbench, it is characterised in that：The three-dimensional working platform includes translation X-axis, gantry structure, processing microscope carrier, translation Y-axis, vertical Z
Axis, fixed transfer plate；It translates X-axis to be mounted on gantry structure, vertical Z axis is mounted in translation X-axis；Fixed transfer plate is mounted on
On vertical Z axis, laser soldering head installation fixed transfer plate；It processes microscope carrier to be mounted in translation Y-axis, translation Y-axis driving processing carries
Platform is moved forward and backward in the underface of gantry structure；The laser soldering head includes industrial camera, laser 0 ° of total reflective mirror, imaging lens
Head, first be all-trans lens, the second half-reflecting half mirror, third half-reflecting half mirror, laser condensing lens, infrared light supply, infrared measurement of temperature pass
Sensor, laser alignment mirror in cover cylinder on main optical path and optical fiber；Infrared temperature probe lower part sets the second half-reflecting half mirror, the setting of laser alignment mirror in cover cylinder on main optical path lower part
First is all-trans lens, and first is all-trans lens and the second half-reflecting half mirror is arranged in parallel, and first is all-trans lens and the second half-reflection and half-transmission
Specular reflection direction sets third half-reflecting half mirror, and third half-reflecting half mirror reflects the first be all-trans lens and the second half-reflecting half mirror
Light turn to 90 °, and laser condensing lens, infrared light supply and processed product are set gradually on the reflection direction；In reflection
Light sets gradually imaging lens, 0 ° of total reflective mirror of laser and industrial camera in the reverse direction.
The invention also discloses a kind of laser soldering processes transplantation method, the step of including generation portable data file,
It treats the step of implanted device prepares certainly, perform the step of parameter transplanting；The step of generating portable data file can comprising measurement
The step of transplanting the step of laser power of data laser brazing device is with temperature relation function, performing parameter transplanting, which includes, to be measured
Treat the step of laser power of implanted device is with temperature relation function；Portable data file include Vision imaging system parameter,
Vision calibration systematic parameter, converted products characteristic parameter, laser technical parameters, transplanting auxiliary parameter；Vision imaging system parameter
Including：The exposure value C of industrial camerae, yield value Cg, picture contrast Cc, image parameter CmxAnd Cmy, picture appraisal coordinate Cx、
Cy、Cz, image definition evaluation value Cp, gradation of image distribution curve peak Ck；Vision calibration parameter includes preset include
The calibration feature templates B of contoured informationv, calibration coordinates matrix Bm, laser center positioning when camera exposure value Bce, laser
Nominal power Bp；Converted products characteristic parameter includes processing stand number PnIt is corresponding with each processing stand to include specific gray scale, shape
The vision positioning template parameter P of featurev；The laser technical parameters of laser brazing device include Laser Processing coordinate Lx、Ly、Lz, swash
Luminous power Lp, Laser Processing time Lt, processing temperature Lc；Transplanting auxiliary parameter includes the exposure parameter F of industrial camerace, laser work(
Rate Flp, Laser Time Flt, defocusing amount Ffl, out-of-focus appearance；Measure the laser power and temperature of portable data laser brazing device
Relation function T；Treat that implanted device includes from the step of preparation：By portable data file copy to treating on implanted device, treat
Implanted device is identical with the laser brazing device structure function of first portable data, and implanted device is treated before start parameter transplanting
Three-dimensional working platform is positioned to coordinate Cx、Cy、CzPoint, by industrial camera exposure value Ce, yield value Cg, picture contrast Cc, mirror image ginseng
Number CmxAnd CmyImaging system is applied to, acquire image and calculates image definition evaluation value Cp' and gradation of image distribution curve peak
Value Ck', according to Cp、Ck、Cp' and Ck' fine tuning camera exposure value Ce', yield value Cg', picture contrast Cc', anchor point Z axis coordinate
Cz', make Cp-Cp' and Ck-Ck' it is approximately equal to zero；Industrial camera exposure value is set as BceAnd laser is controlled with laser calibration
Power BpContinue light extraction, speck central point B is calculated using image processing toollx,Bly, three-dimensional working platform is moved to platform mark
Position fixing matrix BmEach calibration point, obtain vision system image, calculate and record calibration feature templates BvImage sit
Mark, obtains and platform coordinate matrix BmCorresponding image coordinate matrix Bm', according to BmAnd Bm' image coordinate system and three can be established
Tie up X in workbench, the correspondence B of plane coordinate system that Y-axis is formedt, complete staking-out work；Wherein Bm=Bt*Bm’
The step of performing parameter transplanting：After starting laser parameter transplanting, treat that the three-dimensional working platform of implanted device positions first
To coordinate Lx、Ly、LzPlace, setting vision system time for exposure are Fce, laser power Flp, adjust the size of Lz, laser facula
Cover the area percentage F of Working positionap' constantly variation, Ffs' continuous updating, arrive F when adjustingap' it is minimum when, Z axis coordinate pair
Stress optical focus, Z axis is moved into F againflAnd Ffs'=FfsWhen, work at present platform Z axis coordinate Lz' it is to be suitble to currently set after transplanting
Standby best laser focal coordinate；Search for B in the picture at this timevCoordinate Bvx、Bvy, through calibrating parameters BtLaser is obtained after conversion
The coordinate L of best operational positionx' and Ly’；Treat that the three-dimensional working platform of implanted device is positioned to Lx’、Ly’、Lz' at, vision system is set
The system time for exposure is Fce, the relation function T ' of laser power and temperature for treating implanted device is measured in this case；LcIt represents
Processing temperature works as T0=LcWhen, take laser power P0', make T0=f (P0'), treating implanted device kind laser power P0' it is best
Operating power.
According to laser soldering processes transplantation method as described above, it is characterised in that：It treats in implanted device production process, makes
It is perceived with infrared temperature probe and is processed subject surface temperature, through pid algorithm closed-loop control laser power, so as to accurately control
Processing temperature, wherein pid algorithm are as follows：
T represents the sampling time in formula, and e (t) represents the temperature during temperature scaling factor that infrared temperature probe detects
Mean temperature in monitoring area.
According to laser soldering processes transplantation method as described above, it is characterised in that：Measure the soldering of portable data laser
The step of relation function T of the laser power of device and temperature is：With laser power Flp* k (k=0.1,0.2 ... 1) is opened successively
Dynamic laser is with time FltEmit laser, the maximum temperature T of infrared temperature probe detection when recording transmitting laser every timem1、
Tm2……Tm10, and the temperature interval of transmitting laser 30 seconds every time, fitting a straight line 10 can obtain laser power using temperature spot
With the relation function T=f (p) of temperature.
According to laser soldering processes transplantation method as described above, it is characterised in that：Measure the laser for treating implanted device
Power and the step of relation function T ' of temperature be：With laser power Flp* k (k=0.1,0.2 ... 1) starts laser successively
With time FltEmit laser, the maximum temperature T of infrared temperature probe detection when recording transmitting laser every timem1’、Tm2’……
Tm10', and the temperature interval of transmitting laser 30 seconds every time, fitting a straight line 10 can obtain laser power and temperature using temperature spot
Relation function T '=f (p).
According to laser soldering processes transplantation method as described above, it is characterised in that：The laser of the portable data
When brazing device dispatches from the factory, the focal plane of industrial camera and laser spot gap are less than 1 millimeter, 2 millimeters of the depth of field of industrial camera, depending on
The image of feel system is completed to demarcate by Zhang Zhengyou standardizations.
According to laser soldering processes transplantation method as described above, it is characterised in that：It is described when implanted device dispatches from the factory,
The focal plane of industrial camera and laser spot gap are less than 1 millimeter, and 2 millimeters of the depth of field of industrial camera, the image of vision system is
It completes to demarcate by Zhang Zhengyou standardizations.
The beneficial effects of the invention are as follows：First, in the preparation stage that equipment uses, detected and produced using infrared temperature probe
Product surface temperature simultaneously corrects laser parameter automatically；In equipment production process, using processing stand surface temperature as input, calculated in PID
Under the closed-loop control of method, technological parameter is controlled in real time, prevents overprocessing from leading to product rejection, improves production yields；Second is that
During mass commissioning device, after the process debugging for completing an equipment, fast automatic other all devices can be debugged to best
State of the art including Automatic-searching laser focal, adjust automatically machining coordinate, automatic adjustment laser energy etc., is greatly saved
Equipment debugging use cost；Third, can be transferred to the debugging link of equipment on internet from use site, manufactured to accelerate
Industry diversification transition and upgrade provides strong support.
Description of the drawings
Fig. 1 is brazed header structure schematic diagram for laser.
Fig. 2 is laser brazing device structure chart.
Fig. 3 is temperature-controlled zones schematic diagram.
Fig. 4 is the relation function of laser power and temperature.
Description of symbols in attached drawing 1：Industrial camera 11,0 ° of total reflective mirror 12 of laser, imaging lens 13, first be all-trans lens 141,
It is second half-reflecting half mirror 142, third half-reflecting half mirror 143, laser condensing lens 15, infrared light supply 16, processed product 17, infrared
Temperature transducer 18, laser alignment mirror in cover cylinder on main optical path 19, optical fiber 191.
Description of symbols in attached drawing 2：Translate X-axis 21, gantry structure 22, processing microscope carrier 23, translation Y-axis 24, vertical Z axis 25,
Fixed transfer plate 26, laser soldering head 27, laser generator 28, controller 29.
Description of symbols in attached drawing 3：Monitoring temperature region 32, laser light when laser point 31 to be processed, temperature scaling factor
Spot 33.
Specific embodiment
Technical scheme of the present invention is described further below in conjunction with attached drawing.
Laser processing technology parameter mainly include laser position (the relative position Δ X on laser center and converted products surface,
Δ Y, Δ Z) and laser energy (electric current, time etc.).The present invention can quickly realize the transplanting of laser soldering processes, specifically, making
The ratio of laser covering product is read with industrial camera and camera lens to adjust Δ Z；Product position is read using industrial camera and camera lens
It puts, relative position Δ X and Δ Y is corrected according to the offset of product space and laser center position；Make while light extraction is interrupted
With infrared temperature sensor detection workpieces surface temperature, the correspondence of laser power and temperature is established in the unit interval to correct
Laser parameter, and full closed loop control mode dynamic regulation laser parameter is used during processing.
As shown in Figure 1, the laser soldering head 27 of the portable data of the present invention, including industrial camera 11,0 ° of laser is all-trans
Mirror 12, imaging lens 13, three half-reflecting half mirrors 14, laser condensing lens 15, infrared light supply 16, infrared temperature probe 18 swash
Light collimating mirror 19, optical fiber 191.18 lower part of infrared temperature probe of the present invention sets the second half-reflecting half mirror 142, laser alignment
19 lower part of mirror setting first is all-trans lens 141, and first 141 and second half-reflecting half mirror 142 of lens that is all-trans is arranged in parallel, and first is complete
Anti- 141 and second half-reflecting half mirror of lens, 142 reflection direction setting third half-reflecting half mirror 143, third half-reflecting half mirror 143 will
First light for being all-trans the reflection of 141 and second half-reflecting half mirror 142 of lens turns to 90 °, and set gradually laser in this direction and gather
Burnt mirror 15, infrared light supply 16 and processed product 17；It is complete that imaging lens 13,0 ° of laser are set gradually in the reverse direction in the light of reflection
Anti- mirror 12 and industrial camera 11.Wherein, industrial camera 11, imaging lens 13 and infrared light supply 16 form Vision imaging system.Swash
0 ° of total reflective mirror 12 of light is used for safeguard industries camera, prevents reflection laser from camera chip being burnt.
As shown in Fig. 2, laser soldering head 27 works under the cooperation of three-dimensional working platform, laser brazing device is formed.It is three-dimensional
Workbench includes translation X-axis 21, gantry structure 22, processing microscope carrier 23, translation Y-axis 24, vertical Z axis 25, fixed transfer plate 26.It is flat
It moves X-axis 21 to be mounted on gantry structure 22, vertical Z axis 25 is mounted in translation X-axis 21, makes drive of the vertical Z axis 25 in translation X-axis
Dynamic lower horizontal movement.Fixed transfer plate 26 is mounted on vertical Z axis 25, and laser soldering head 27 installs fixed transfer plate 26, passes through
Fixed transfer plate 26 connects vertical Z axis 25 and laser soldering head 27, and vertical Z axis 25 drives fixed transfer plate 26 and laser soldering
First 27 move up and down together.It processes microscope carrier 23 to be mounted in translation Y-axis 24, the translation driving processing microscope carrier 23 of Y-axis 24 is tied at gantry
The underface of structure 22 is moved forward and backward.It translates X-axis 21, translation Y-axis 24 and vertical Z axis 25 and realizes Three-dimension process region.Laser occurs
Device 28, which emits laser under the control of controller 29 and passes through optical fiber 191, is sent to laser soldering head 27.Controller 29, which includes, to swash
The functions such as photocontrol, three-dimensional working platform control, parameter transplanting.
The laser of the portable data of the present invention is brazed the head course of work：The laser that laser generator 28 emits is by optical fiber
191 are transmitted to laser alignment mirror in cover cylinder on main optical path 19, are all-trans after lens 141 and the reflection of third half-reflecting half mirror 143 by first and gather into laser
Burnt mirror 15 17 carries out heating soldering towards processed products；The infrared ray that infrared light supply 16 is sent out is using processed product 17,
Three half-reflecting half mirrors 143, industrial lens 13,0 ° of total reflective mirror 12 of laser to industrial camera make 17 surface of camera capture converted products
Feature, including laser point 31 to be processed and laser facula 33；The light that infrared temperature probe is sent out is through the second half-reflecting half mirror
142nd, after third half-reflecting half mirror 143, laser condensing lens 15, backtracking is to temperature sensor after the reflection of processed product 17
18, obtain 17 surface temperature of processed product.17 surface characteristics of processed product is treated including laser as shown in Figure 3 in the present invention
Monitoring temperature region 32, laser facula 33 when processing stand 31, temperature scaling factor.Laser facula 33 wherein of the present invention obeys height
This distribution.
Transplantation method disclosed by the invention includes multiple steps：The step of generating portable data file treats implanted device
From prepare the step of, perform parameter transplanting the step of etc..
The step of generation portable data file of the present invention, includes：Vision imaging system parameter, vision calibration system ginseng
Number, converted products characteristic parameter, laser technical parameters, transplanting auxiliary parameter etc..The Vision imaging system parameter of the present invention includes：
The exposure value C of industrial camera 11e, yield value Cg, picture contrast Cc, image parameter CmxAnd Cmy, picture appraisal coordinate Cx、Cy、
Cz, image definition evaluation value Cp, gradation of image distribution curve peak Ck.Vision calibration parameter includes：It is preset to include spy
Determine the calibration feature templates B of profile informationv, calibration coordinates matrix B comprising the equally distributed three-dimensional coordinate of 5*5 ranksm, swash
Camera exposure value B when light center positionsce, laser calibration power Bp.Converted products characteristic parameter includes processing stand number PnWith
The corresponding vision positioning template parameter P comprising specific gray scale, shape feature of each processing standv.The laser of laser brazing device
Technological parameter includes Laser Processing coordinate Lx、Ly、Lz, laser power Lp, Laser Processing time Lt, processing temperature Lc.Transplanting auxiliary
Parameter includes the exposure parameter F of industrial camera 11ce, laser power Flp, Laser Time Flt, defocusing amount Ffl, out-of-focus appearance (just from
Burnt/negative defocus) Ffs, the output laser power of laser condensing lens 15 and the relation function T=f (p) of temperature etc..Measure portable number
It is according to the laser power and the step of temperature relation function of laser brazing device, with laser power Flp* k (k=0.1,0.2 ...
1) start laser successively with time FltEmit laser, the highest temperature of infrared temperature probe detection when recording transmitting laser every time
Spend Tm1、Tm2……Tm10, and the temperature interval of transmitting laser 30 seconds every time, ensure that no temperature adds up.Fitting a straight line 10 is adopted
It is the relation function T=f (p) that can obtain laser power and temperature with temperature spot.
T=Flp*k+b
Bp=1.1*Lt,LtFor laser threshold power
After the laser brazing device of the portable data of the present invention is completed to process the process debugging of certain product, this is removable
The laser brazing device for planting data processes the product as optimised process state.By the operation of the laser brazing device of portable data
It is recorded in the controller of laser brazing device of portable data with laser technical parameters.Start portable data file generated
All parameters of the laser brazing device of first portable data are packed into a file by tool, that is, complete generation
The step of portable data file.
Treat that implanted device includes from the step of preparation：By portable data file copy to treating on implanted device, wait to transplant
Equipment is identical with the laser brazing device structure function of first portable data, the preparation before start parameter transplanting.It is removable
When planting the laser brazing device manufacture of data, in Vision imaging system, the focal plane of industrial camera 11 and laser spot gap are small
In 1 millimeter, about 2 millimeters of the depth of field of industrial camera 11, the image of vision system is completed to demarcate by Zhang Zhengyou standardizations.Transplanting
Preparation is by system one-key operation.Detailed process is：Treat the laser brazing device of transplantation device portable data to be transplanted
The three-dimensional working platform of (rear to claim to treat transplantation device) is positioned to coordinate Cx、Cy、CzPoint, by 11 exposure value C of industrial camerae, yield value Cg、
Picture contrast Cc, image parameter CmxAnd CmyImaging system is applied to, acquire image and calculates image definition evaluation value Cp' and
Gradation of image distribution curve peak Ck', according to Cp、Ck、Cp' and Ck' fine tuning camera exposure value Ce', yield value Cg', image comparison
Spend Cc', anchor point Z axis coordinate Cz', make Cp-Cp' and Ck-Ck' it is approximately equal to zero；11 exposure value of industrial camera is set as BceAnd
Laser is controlled with laser calibration power BpContinue light extraction, have in the image of vision system acquisition at this time and only there are one speck,
Speck central point B is calculated using Blob image processing toolslx,Bly, the as position of laser center in the picture；It will be three-dimensional
Movable workbench to platform demarcates coordinates matrix BmEach calibration point, obtain vision system image, calculate and record calibration
Feature templates BvImage coordinate, obtain and platform coordinate matrix BmCorresponding image coordinate matrix Bm', according to BmAnd Bm'
Establish X in image coordinate system and three-dimensional working platform, the correspondence B of plane coordinate system that Y-axis is formedt, complete staking-out work.It moves
It is ready to plant preparation.
Bm=Bt*Bm’
The step of performing parameter transplanting：After starting laser parameter transplanting, treat that the three-dimensional working platform of implanted device positions first
To coordinate Lx、Ly、LzPlace, setting vision system time for exposure are Fce, laser power Flp, adjust the size of Lz, laser facula
Cover the area percentage F of Working positionap' constantly variation, Ffs' continuous updating, arrive F when adjustingap' it is minimum when, Z axis coordinate pair
Stress optical focus, Z axis is moved into F againflAnd Ffs'=FfsWhen, work at present platform Z axis coordinate Lz' it is to be suitble to currently set after transplanting
Standby best laser focal coordinate.At this point, B is searched in the picturevCoordinate Bvx、Bvy, through calibrating parameters BtSwashed after conversion
The coordinate L of light best operational positionx' and Ly’.Measurement treats that the laser power of implanted device and the step of temperature relation function are to treat
The three-dimensional working platform of implanted device is positioned to Lx’、Ly’、Lz' at, the setting vision system time for exposure is Fce, with laser power
Flp* k (k=0.1,0.2 ... 1) starts laser with time F successivelyltEmit laser, infrared survey when recording transmitting laser every time
The maximum temperature T of temperature sensor detectionm1’、Tm2’……Tm10', and the temperature interval of transmitting laser 30 seconds every time, ensure do not have
Temperature adds up.10 relation function T '=f (p) that can obtain laser power and temperature using temperature spot of fitting a straight line.Such as Fig. 4 institutes
Show.
Work as T0=LcWhen, take laser power P0', make T0=f (P0'), newest laser power P0' it is best effort power.
After the completion of transplanting, obtain being transplanted the optimal procedure parameters of equipment, you can start to produce.In production process, use
Infrared temperature probe, which perceives, is processed subject surface temperature, through pid algorithm closed-loop control laser power, reaches accurate control and adds
The effect of work temperature.Used pid algorithm is as follows：
T represents the sampling time in formula, and e (t) represents the temperature during temperature scaling factor that infrared temperature probe 18 detects
Spend the mean temperature in monitoring area 32.In the present embodiment, being 0.001 second is suggested to the sampling period of temperature.
Claims (8)
1. a kind of laser soldering processes transplantation method, the step of including generation portable data file, treat implanted device from preparing
The step of, perform parameter transplanting the step of；The step of generating portable data file is brazed comprising portable data laser is measured
The step of laser power of device is with temperature relation function performs the laser that the step of parameter is transplanted treats implanted device comprising measurement
The step of power is with temperature relation function；
Portable data file includes Vision imaging system parameter, vision calibration systematic parameter, converted products characteristic parameter, laser
Technological parameter, transplanting auxiliary parameter；Vision imaging system parameter includes：The exposure value C of industrial camerae, yield value Cg, image pair
Than degree Cc, image parameter CmxAnd Cmy, picture appraisal coordinate Cx、Cy、Cz, image definition evaluation value Cp, gradation of image distribution curve
Peak Ck；Vision calibration parameter includes the preset calibration feature templates B comprising contoured informationv, calibration coordinates matrix
Bm, laser center positioning when camera exposure value Bce, laser calibration power Bp；Converted products characteristic parameter includes processing stand number
PnVision positioning template parameter P comprising specific gray scale, shape feature corresponding with each processing standv；Laser brazing device swashs
Light technological parameter includes Laser Processing coordinate Lx、Ly、Lz, laser power Lp, Laser Processing time Lt, processing temperature Lc；It transplants auxiliary
Parameter is helped to include the exposure parameter F of industrial camerace, laser power Flp, Laser Time Flt, defocusing amount Ffl, out-of-focus appearance；It measures
The laser power of portable data laser brazing device and the relation function T of temperature；
Treat that implanted device includes from the step of preparation：By portable data file copy to treating on implanted device, implanted device is treated
It is identical with the laser brazing device structure function of first portable data, the three-dimensional work of implanted device is treated before start parameter transplanting
Platform is positioned to coordinate Cx、Cy、CzPoint, by industrial camera exposure value Ce, yield value Cg, picture contrast Cc, image parameter CmxAnd Cmy
Imaging system is applied to, acquire image and calculates image definition evaluation value Cp' and gradation of image distribution curve peak Ck', according to
Cp、Ck、Cp' and Ck' fine tuning camera exposure value Ce', yield value Cg', picture contrast Cc', anchor point Z axis coordinate Cz', make Cp-
Cp' and Ck-Ck' it is approximately equal to zero；Industrial camera exposure value is set as BceAnd laser is controlled with laser calibration power BpContinue
Light extraction calculates speck central point B using image processing toollx,Bly, three-dimensional working platform is moved to platform calibration coordinate square
Battle array BmEach calibration point, obtain vision system image, calculate and record calibration feature templates BvImage coordinate, obtain with
Platform coordinate matrix BmCorresponding image coordinate matrix Bm', according to BmAnd Bm' image coordinate system and three-dimensional working platform can be established
The correspondence B of plane coordinate system that middle X, Y-axis are formedt, complete staking-out work；Wherein
Bm=Bt*Bm’
The step of performing parameter transplanting：After starting laser parameter transplanting, treat that the three-dimensional working platform of implanted device is positioned first to seat
Mark Lx、Ly、LzPlace, setting vision system time for exposure are Fce, laser power Flp, adjust the size of Lz, laser facula covering
The area percentage F of Working positionap' constantly variation, Ffs' continuous updating, arrive F when adjustingap' it is minimum when, Z axis coordinate pair stress
Z axis is moved F by optical focus againflAnd Ffs'=FfsWhen, work at present platform Z axis coordinate Lz' it is to be suitble to current device after transplanting
Best laser focal coordinate；Search for B in the picture at this timevCoordinate Bvx、Bvy, through calibrating parameters BtIt is best that laser is obtained after conversion
The coordinate L of operating positionx' and Ly’；Treat that the three-dimensional working platform of implanted device is positioned to Lx’、Ly’、Lz' at, setting vision system exposes
It is F between light timece, the relation function T ' of laser power and temperature for treating implanted device is measured in this case；
LcIt represents processing temperature, works as T0=LcWhen, take laser power P0', make T0=f (P0'), then treat implanted device kind laser power
P0' it is best effort power.
2. laser soldering processes transplantation method according to claim 1, it is characterised in that：It is described to treat implanted device and
Transplant the laser brazing device that data laser brazing device is portable data according to any one of claims 8.
3. laser soldering processes transplantation method according to claim 1, it is characterised in that：Treat implanted device production process
In, it is perceived using infrared temperature probe and is processed subject surface temperature, through pid algorithm closed-loop control laser power, so as to essence
Really control processing temperature, wherein pid algorithm are as follows：
T represents the sampling time in formula, and e (t) represents the monitoring temperature during temperature scaling factor that infrared temperature probe detects
Mean temperature in region.
4. laser soldering processes transplantation method according to claim 1, it is characterised in that：Measure portable data laser pricker
The step of relation function T of the laser power of welder and temperature is：With laser power Flp* k (k=0.1,0.2 ... 1) is successively
Start laser with time FltEmit laser, the maximum temperature T of infrared temperature probe detection when recording transmitting laser every timem1、
Tm2……Tm10, and temperature interval 30 seconds of transmitting laser or more every time, fitting a straight line 10 can obtain laser using temperature spots
The relation function T=f (p) of power and temperature.
5. laser soldering processes transplantation method according to claim 1, it is characterised in that：It measures and treats swashing for implanted device
The step of relation function T ' of luminous power and temperature is：With laser power Flp* k (k=0.1,0.2 ... 1) starts laser successively
Device is with time FltEmit laser, the maximum temperature T of infrared temperature probe detection when recording transmitting laser every timem1’、Tm2’……
Tm10', and temperature interval 30 seconds of transmitting laser or more every time, fitting a straight line 10 using temperature spots can obtain laser power with
Relation function T '=f (p) of temperature.
6. laser soldering processes transplantation method according to claim 1, it is characterised in that：The portable data swashs
When light brazing device dispatches from the factory, the focal plane of industrial camera and laser spot gap are less than 1 millimeter, 2 millimeters of the depth of field of industrial camera,
The image of vision system is completed to demarcate by Zhang Zhengyou standardizations.
7. laser soldering processes transplantation method according to claim 1, it is characterised in that：Described treats that implanted device dispatches from the factory
When, the focal plane of industrial camera and laser spot gap are less than 1 millimeter, 2 millimeters of the depth of field of industrial camera, the image of vision system
It completes to demarcate by Zhang Zhengyou standardizations.
8. a kind of laser brazing device of portable data is brazed head and three-dimensional working platform including laser, it is characterised in that：It is described
Three-dimensional working platform include translation X-axis, gantry structure, processing microscope carrier, translation Y-axis, vertical Z axis, fixed transfer plate；Translate X-axis
On gantry structure, vertical Z axis is mounted in translation X-axis；Fixed transfer plate is mounted on vertical Z axis, laser soldering head
Fixed transfer plate is installed；It processes microscope carrier to be mounted in translation Y-axis, translation Y-axis driving processing microscope carrier is in the underface of gantry structure
It is moved forward and backward；Described laser soldering head includes industrial camera, 0 ° of total reflective mirror of laser, imaging lens, first is all-trans lens, second
Half-reflecting half mirror, third half-reflecting half mirror, laser condensing lens, infrared light supply, infrared temperature probe, laser alignment mirror in cover cylinder on main optical path and light
It is fine；Infrared temperature probe lower part sets the second half-reflecting half mirror, and laser alignment mirror in cover cylinder on main optical path lower part setting first is all-trans lens, and first is complete
Anti- lens and the second half-reflecting half mirror are arranged in parallel, and first is all-trans lens and the second half-reflection and half-transmission specular reflection direction setting third half
First light that lens and the second half-reflecting half mirror reflect that is all-trans is turned to 90 °, and anti-at this by anti-pellicle mirror, third half-reflecting half mirror
It penetrates on direction and sets gradually laser condensing lens, infrared light supply and processed product；It is set gradually into the reverse direction in the light of reflection
As camera lens, 0 ° of total reflective mirror of laser and industrial camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391168.XA CN108127206B (en) | 2017-12-21 | 2017-12-21 | Laser brazing process transplanting method and laser brazing device capable of transplanting data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391168.XA CN108127206B (en) | 2017-12-21 | 2017-12-21 | Laser brazing process transplanting method and laser brazing device capable of transplanting data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108127206A true CN108127206A (en) | 2018-06-08 |
| CN108127206B CN108127206B (en) | 2020-07-07 |
Family
ID=62391990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711391168.XA Active CN108127206B (en) | 2017-12-21 | 2017-12-21 | Laser brazing process transplanting method and laser brazing device capable of transplanting data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108127206B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873985A (en) * | 2018-08-06 | 2018-11-23 | 武汉博联特科技有限公司 | A kind of temprature control method and system of laser soldering |
| CN110961739A (en) * | 2019-12-28 | 2020-04-07 | 武汉比天科技有限责任公司 | Tin ball welding device with coaxial vision system |
| CN111014868A (en) * | 2019-12-28 | 2020-04-17 | 武汉比天科技有限责任公司 | Welding method of tin ball welding device |
| CN111266684A (en) * | 2020-03-11 | 2020-06-12 | 华工法利莱切焊系统工程有限公司 | Laser filler wire welding bare wire centering monitoring method, bare wire centering monitoring device and laser filler wire welding device |
| CN113927156A (en) * | 2021-11-11 | 2022-01-14 | 苏州科韵激光科技有限公司 | Laser processing temperature control device, method and storage medium |
| CN117655525A (en) * | 2023-12-29 | 2024-03-08 | 惠州市振邦精密五金有限公司 | Automatic welding method and device for power battery connecting sheet |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102023614A (en) * | 2010-10-08 | 2011-04-20 | 深圳市大族激光科技股份有限公司 | Laser welding device |
| CN102497952A (en) * | 2009-07-20 | 2012-06-13 | 普雷茨特两合公司 | Laser machining head and method of compensating for the change in focal position of a laser machining head |
| CN102554463A (en) * | 2012-02-14 | 2012-07-11 | 中国科学院福建物质结构研究所 | Coaxial CCD (charge coupled device) imaging system applied to laser cutting |
| CN102699526A (en) * | 2012-06-01 | 2012-10-03 | 苏州德龙激光有限公司 | Method and device for cutting machined object by using laser |
| CN103231271A (en) * | 2013-05-08 | 2013-08-07 | 苏州瑞格思创光电科技有限公司 | Positioning device |
| EP2905104A2 (en) * | 2011-09-13 | 2015-08-12 | Yuri Aleksandrovich Chivel | Method and device for optically monitoring a surface in an area thereof subject to laser radiation |
| CN104842067A (en) * | 2015-05-29 | 2015-08-19 | 济南微尔激光设备有限公司 | Three-dimensional laser cutting machine in five-axis linkage |
| CN105115698A (en) * | 2015-09-25 | 2015-12-02 | 西安立芯光电科技有限公司 | Comprehensive testing system for semiconductor laser cavity surface failure analysis |
-
2017
- 2017-12-21 CN CN201711391168.XA patent/CN108127206B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497952A (en) * | 2009-07-20 | 2012-06-13 | 普雷茨特两合公司 | Laser machining head and method of compensating for the change in focal position of a laser machining head |
| CN102023614A (en) * | 2010-10-08 | 2011-04-20 | 深圳市大族激光科技股份有限公司 | Laser welding device |
| EP2905104A2 (en) * | 2011-09-13 | 2015-08-12 | Yuri Aleksandrovich Chivel | Method and device for optically monitoring a surface in an area thereof subject to laser radiation |
| CN102554463A (en) * | 2012-02-14 | 2012-07-11 | 中国科学院福建物质结构研究所 | Coaxial CCD (charge coupled device) imaging system applied to laser cutting |
| CN102699526A (en) * | 2012-06-01 | 2012-10-03 | 苏州德龙激光有限公司 | Method and device for cutting machined object by using laser |
| CN103231271A (en) * | 2013-05-08 | 2013-08-07 | 苏州瑞格思创光电科技有限公司 | Positioning device |
| CN104842067A (en) * | 2015-05-29 | 2015-08-19 | 济南微尔激光设备有限公司 | Three-dimensional laser cutting machine in five-axis linkage |
| CN105115698A (en) * | 2015-09-25 | 2015-12-02 | 西安立芯光电科技有限公司 | Comprehensive testing system for semiconductor laser cavity surface failure analysis |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873985A (en) * | 2018-08-06 | 2018-11-23 | 武汉博联特科技有限公司 | A kind of temprature control method and system of laser soldering |
| CN110961739A (en) * | 2019-12-28 | 2020-04-07 | 武汉比天科技有限责任公司 | Tin ball welding device with coaxial vision system |
| CN111014868A (en) * | 2019-12-28 | 2020-04-17 | 武汉比天科技有限责任公司 | Welding method of tin ball welding device |
| CN111014868B (en) * | 2019-12-28 | 2021-04-27 | 武汉比天科技有限责任公司 | Welding method of tin ball welding device |
| CN110961739B (en) * | 2019-12-28 | 2021-07-30 | 武汉比天科技有限责任公司 | Tin ball welding device with coaxial vision system |
| CN111266684A (en) * | 2020-03-11 | 2020-06-12 | 华工法利莱切焊系统工程有限公司 | Laser filler wire welding bare wire centering monitoring method, bare wire centering monitoring device and laser filler wire welding device |
| CN113927156A (en) * | 2021-11-11 | 2022-01-14 | 苏州科韵激光科技有限公司 | Laser processing temperature control device, method and storage medium |
| CN117655525A (en) * | 2023-12-29 | 2024-03-08 | 惠州市振邦精密五金有限公司 | Automatic welding method and device for power battery connecting sheet |
| CN117655525B (en) * | 2023-12-29 | 2024-05-24 | 惠州市振邦精密五金有限公司 | Automatic welding method and device for power battery connecting sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108127206B (en) | 2020-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108127206A (en) | A kind of laser brazing device of laser soldering processes transplantation method and portable data | |
| CN110651218B (en) | Apparatus, system and method for calibration of galvanometer scanners | |
| CN103913294B (en) | A kind of cross curve increment scaling method for laser galvanometer system | |
| CN110940490B (en) | Laser spot scanning precision detection method and device of laser processing equipment | |
| CN101856773B (en) | Focusing positioning method based on initial laser processing position and laser processing device | |
| CN110026676B (en) | Laser processing method | |
| CN211669428U (en) | Automatic focusing device based on inner coaxial vision | |
| CN101990478B (en) | Process control apparatus and laser processing apparatus | |
| JP7116750B2 (en) | Calibrating the Focus of the Output Radiation Source of Additive Manufacturing Equipment | |
| CN112553412B (en) | Die surface laser quenching equipment and control method | |
| US9417123B2 (en) | Illumination setting method, apparatus and computer-readable medium for a brightness tool of an image measuring apparatus | |
| CN201693290U (en) | Laser processing device | |
| US11328409B2 (en) | System and method utilizing multi-point autofocus to align an optical axis of an optical assembly portion to be normal to a workpiece surface | |
| TWI814431B (en) | Method and system for automatic detection and compensation of gray scale value in real time | |
| CN109434278A (en) | A kind of laser processing device and method | |
| CN206936606U (en) | Multi-point sensing laser scanning manufacturing system | |
| CN114029611A (en) | Direct galvanometer correction system and correction method | |
| CN211102140U (en) | Laser automatic focusing positioning device | |
| JP2004243383A (en) | Laser beam machine, and laser beam machining method | |
| JP2007237200A (en) | Laser beam machining system and laser beam machining method | |
| US11125967B2 (en) | System and method for calibrating variable focal length lens system using calibration object with planar tilted pattern surface | |
| CN108406124B (en) | Laser marking method and system | |
| WO2023117606A1 (en) | Method and device for calibrating an optical system | |
| KR101937212B1 (en) | A Laser Marking Apparatus Having a Structure of Detecting a Focus Length and a Method for Adjusting the Focus Length Automatically and Detecting a Marking Defect | |
| Molitor et al. | Self-optimizing focus technique (SOFT)–A new approach on the way to next generation cognitive laser cutting machines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |