CN207806889U - A kind of battery case laser high-precision scanning welding system based on galvanometer - Google Patents
A kind of battery case laser high-precision scanning welding system based on galvanometer Download PDFInfo
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- CN207806889U CN207806889U CN201721541007.XU CN201721541007U CN207806889U CN 207806889 U CN207806889 U CN 207806889U CN 201721541007 U CN201721541007 U CN 201721541007U CN 207806889 U CN207806889 U CN 207806889U
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Abstract
The utility model discloses a kind of, and the battery case laser high-precision based on galvanometer scans welding system, including：Rack and laser welding protective cabin, rack is equipped with the supply line for workpiece transport, laser welding protective cabin is set on supply line, fixture and the long distance Laser Welding special plane based on galvanometer are equipped in laser welding protective cabin, supply line is equipped with the conveying mechanism for conveying workpieces, fixture is set on conveying mechanism, and long distance Laser Welding special plane is set to the top of laser welding protective cabin, and supply line, fixture, long distance Laser Welding special plane and pallet and pallet are connect with control centre.The utility model is scanned and welds to battery case by using long distance Laser Welding special plane, pass through the quick rotation of galvanometer, the welding process of laser is set efficiently and stably to carry out, spot motion track can be set, carry out waveform control, to reach ideal welding effect, the device speed of welding is fast, generation thermal deformation is small, greatly improves precision and welding quality that its production efficiency also effectively raises its welding.
Description
Technical field
The utility model belongs to manufacturing field, more particularly to a kind of battery case laser high-precision scanning based on galvanometer
Welding system.
Background technology
With the rapid development of social economy, it either works or life all realizes modernization and intelligence mostly,
Requirement of the people for the quality of product is also all higher and higher, is also such in the quality requirement of battery.
It is changed currently, automotive engineering is just experiencing the electrified important technical of power.Electric vehicle has energy-efficient, low
The advantage of discharge or zero-emission, therefore paid much attention to by various countries.The maximum bottleneck of new energy is vehicle mounted dynamic battery, longevity
Life, safety are of crucial importance, and the shell of power battery is critical component, plays the role of encapsulation.Traditional is dynamic
Power battery case welding method is to drive laser welding head to be moved by the automatically controlled servo-worktables of XY of laser welding apparatus,
It determines welding position, and completes the automatic welding operation of battery case workpiece after finely tuning, whole process takes long, this method processing
Efficiency and workpiece weld disposable qualification rate and are difficult to meet that market is high-quality to process, efficient production requirement, thus pass
The battery case processing method of system can not meet the needs of currently producing.
Utility model content
Purpose of utility model：In order to overcome the above deficiency, the purpose of this utility model to be to provide a kind of electricity based on galvanometer
Pond box laser high-precision scans welding system, and simple in structure, reasonable design is readily produced, and high degree of automation improves work
Make efficiency, while also improving the precision of its welding, improves its quality of production.
Technical solution：To achieve the goals above, it is high to provide a kind of battery case laser based on galvanometer for the utility model
Precision scans welding system, including：Rack and laser welding protective cabin, the rack are equipped with the transport for workpiece transport
Line, the laser welding protective cabin are set on supply line, and modular fixture is equipped in the laser welding protective cabin and is based on galvanometer
Long distance Laser Welding special plane, the supply line be equipped with for conveying workpieces conveying mechanism, the modular fixture be set to conveying
In mechanism, the long distance Laser Welding special plane is set to the top of laser welding protective cabin, and the supply line, modular fixture, remote
It is connect with control centre away from Laser Welding special plane and pallet and conveying mechanism.
A kind of battery case laser high-precision based on galvanometer described in the utility model scans welding system, by adopting
Battery case is scanned and is welded with long distance Laser Welding special plane, by the quick rotation of galvanometer, enables the welding process of laser
It is enough efficiently and stably to carry out, while spot motion track can be set, waveform control is carried out, to reach ideal welding effect,
The device speed of welding is fast, it is small to generate thermal deformation, greatly improves its production efficiency, while also effectively raising its welding
Precision and welding quality, and then it is allowed to better meet the demand of production.
Mechanical mechanism, compressed gas source control and driving device, clamp-like are equipped in modular fixture described in the utility model
State sensing device, compressed gas source control and driving device and holder status sensing device connect with mechanical mechanism, allow
It can be adjusted according to actual demand, preferably improve its applicability, by compressed air-driven so that fixture is mechanical
Component carries out the accurate clamping of one group of workpiece, release, and modular fixture action is obtained by the sensor of holder status sensing device
Signal whether in place, and by this signal transmission to control centre, the Rule of judgment as subsequent logic control.
Pallet and pallet are equipped in conveying mechanism described in the utility model, the pallet is set on pallet,
And the modular fixture is matched with pallet.
Supply line described in the utility model is equipped with the driving band for driving pallet, and the pallet is set to driving band
On.
In the special plane of long distance Laser Welding described in the utility model be equipped with dichroscope, laser beam, laser scanning galvanometer head,
Industrial camera lens, industrial camera and image processing unit and light source, the laser beam is set to above dichroscope, described
Laser scanning galvanometer head and industrial camera lens be respectively arranged on the both sides of dichroscope, the industrial camera and image procossing
Unit is connect with industrial camera lens, and the light source is matched with laser scanning galvanometer head.
It is equipped with scanning galvanometer in laser scanning galvanometer head described in the utility model, X is equipped in the scanning galvanometer
Axis galvanometer and Y-axis galvanometer enable the welding process of laser efficiently and stably to carry out, while can by the quick rotation of galvanometer
To set spot motion track, waveform control is carried out, to reach ideal welding effect.
At least provided with 2 groups of galvanometers in scanning galvanometer described in the utility model.
Further include that switch board is handled input/output signal by PLC in the utility model, it is outer by what is be attached thereto
Connect hanging equipment access fieldbus networks.
Above-mentioned technical proposal can be seen that the utility model and have the advantages that：
1, the utility model is scanned welding using long distance Laser Welding special plane to battery case, and pipeline will be loaded with battery case
Accurately in place, pallet is jacked and arrives machining position the pallet of workpiece by lifting body vertically for conveying, and workpiece adds in laser welding protective cabin
Battery case workpiece to be processed is carried out accurate clamping, positioning by the fixture of station, by long distance Laser Welding special plane galvanometer it is quick
Rotation, transmitting laser beam to workpiece weld pattern path, and quickly scanning welding is carried out, keep the welding process of laser efficiently steady
Surely it carries out.Spot motion track can be set, the control of traveling wave of going forward side by side shape reaches ideal welding effect.The system speed of welding
Soon, generation thermal deformation is small, is greatly improved the processing efficiency of battery case, promotes the precision and welding quality of welding.
2, a kind of battery case laser high-precision based on galvanometer described in the utility model scans welding system, passes through
Battery case is scanned and is welded using long distance Laser Welding special plane, by the quick rotation of galvanometer, makes the welding process of laser
It can efficiently and stably carry out, while spot motion track can be set, carry out waveform control, to reach ideal welding effect
Fruit, the device speed of welding is fast, it is small to generate thermal deformation, greatly improves its production efficiency, while also effectively raising it
The precision and welding quality of welding, and then it is allowed to better meet the demand of production.
3, a kind of battery case laser high-precision based on galvanometer described in the utility model scans welding system, therein
Long distance Laser Welding special plane, locating speed is fast, saves many frock clamps, shortens process time, productive temp is up to 40/point
Clock improves 3-4 times compared with traditional approach production efficiency；Positioning accuracy is high, traditional welded gaps≤0.3mm, and the essence of the system
Close modular fixture can control welded gaps≤0.02mm, welding precision to be greatly enhanced；Vibration mirror scanning type Laser Welding is also referred to as remote
Away from Laser Welding, laser welding apparatus is remote with workpiece distance, and welding range obviously becomes larger, up to 280mm × 280mm, to allow it
It can realize multi-group workpiece while process, greatly improve its production efficiency.
4, a kind of battery case laser high-precision based on galvanometer described in the utility model scans welding system, described
It shakes at least provided with 2 groups in scanning galvanometer device, which realizes that complicated two dimension is flat by controlling the coordination deflection of two galvanometers
The welding of face graph scanning, non-solder time productive greatly reduce as compared with the past, weld interval up to the production cycle 90% with
On, it is more efficient more flexible；Welding quality higher, compared with traditional approach, Product jointing first-time qualification rate promoted to 99% with
On, performing leak test is up to 100%.
Description of the drawings
Fig. 1 is the structural representation that the battery case laser high-precision described in the utility model based on galvanometer scans welding system
Figure；
Fig. 2 is the structural schematic diagram of vision system in long distance Laser Welding special plane in the utility model；
Fig. 3 is to be electrically connected schematic diagram in the utility model；
Fig. 4 is the work flow diagram that the battery case laser high-precision based on galvanometer scans welding system in the utility model；
In figure：Rack -1, laser welding protective cabin -2, supply line -3, modular fixture -4, the long distance Laser Welding based on galvanometer
Special plane -5, dichroscope -51, laser beam -52, laser scanning galvanometer head -53, industrial camera lens -54, industrial camera and figure
As processing unit -55, light source -56, scanning galvanometer -57, X-axis galvanometer -571, Y-axis galvanometer -572, conveying mechanism -6, pallet -61,
Pallet -62, switch board -7, switch board and lasing light emitter control signal wire -8,
The control signal wire -9 of lasing light emitter and long distance laser welding special plane, lasing light emitter power cord -11, is matched at laser optical cable -10
Electric cabinet -12, long distance laser welding special plane power cord -13, switch board power cord -14, industrial personal computer power line -15, industrial personal computer -16.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate.
Embodiment 1
A kind of battery case laser high-precision based on galvanometer as shown in the figure scans welding system, including：Rack 1 and laser
Protective cabin 2 is welded, the rack 1 is equipped with the supply line 3 for workpiece transport, and the laser welding protective cabin 2 is set to transport
On line 3, modular fixture 4 and the long distance Laser Welding special plane 5 based on galvanometer, the transport are equipped in the laser welding protective cabin 2
Line 3 is equipped with the conveying mechanism 6 for conveying workpieces, and the modular fixture 4 is set on conveying mechanism 6, the long distance Laser Welding
Special plane 5 is set to the top of laser welding protective cabin 2, and the supply line 3, modular fixture 4, long distance Laser Welding special plane 5 and
Pallet and conveying mechanism 6 are connect with control centre.
Modular fixture 4 described in the present embodiment exists in groups, is provided with mechanical mechanism, compressed gas source control and driving dress
Set, holder status sensing device, compressed gas source control and driving device and holder status sensing device with mechanical machine
Structure connects.
Pallet 61 and pallet 62 are equipped in conveying mechanism 6 described in the present embodiment, the pallet 62 is set to support
On disk 61, and the modular fixture 4 is matched with pallet 62.
Supply line 3 described in the present embodiment is equipped with the driving band for driving pallet 61, and the pallet 61 is set to driving
It takes.
The special plane of long distance Laser Welding described in the present embodiment 5 uses long distance Laser Welding special plane, is provided with dichroscope 51, swashs
Light light beam 52, laser scanning galvanometer head 53, industrial camera lens 54, industrial camera and image processing unit 55 and light source 56, institute
The laser beam 52 stated is set to 51 top of dichroscope, and the laser scanning galvanometer head 53 and industrial camera lens 54 are set respectively
In the both sides of dichroscope 51, the industrial camera and image processing unit 55 are connect with industrial camera lens 54, the light
Source 56 is matched with laser scanning galvanometer head 53.
It is equipped with scanning galvanometer 57 in laser scanning galvanometer head 53 described in the present embodiment, is set in the scanning galvanometer 57
There are X-axis galvanometer 571 and Y-axis galvanometer 572.
Further include switch board 7 in the present embodiment, switch board handles input/output signal by PLC, will connect therewith
The external equipment connect is mounted into fieldbus networks, the control signal wire 8 and light that the switch board 7 passes through switch board and lasing light emitter
Source 56 connects, the light source 56 by the control signal wire 9 of lasing light emitter and long distance laser welding special plane and laser optical cable 10 with
Laser welding protective cabin 2 connects, and is connect with power distribution cabinet 12 by lasing light emitter power cord 11, and the laser welding protective cabin 2 is logical
It crosses long distance laser welding special plane power cord 13 to connect with power distribution cabinet 12, the switch board 7 passes through switch board power cord 14 and distribution
Cabinet 12 connects, and the switch board 7 is connect by industrial personal computer power line 15 with industrial personal computer 16.
Embodiment 2
A kind of battery case laser high-precision based on galvanometer as shown in the figure scans welding system, including：Rack 1 and laser
Protective cabin 2 is welded, the rack 1 is equipped with the supply line 3 for workpiece transport, and the laser welding protective cabin 2 is set to transport
On line 3, modular fixture 4 and the long distance Laser Welding special plane 5 based on galvanometer, the transport are equipped in the laser welding protective cabin 2
Line 3 is equipped with the conveying mechanism 6 for conveying workpieces, and the modular fixture 4 is set on conveying mechanism 6, the long distance Laser Welding
Special plane 5 is set to the top of laser welding protective cabin 2, and the supply line 3, modular fixture 4, long distance Laser Welding special plane 5 and
Pallet and conveying mechanism 6 are connect with control centre.
Modular fixture 4 described in the present embodiment exists in groups, is provided with mechanical mechanism, compressed gas source control and driving dress
Set, holder status sensing device, compressed gas source control and driving device and holder status sensing device with mechanical machine
Structure connects.
Pallet 61 and pallet 62 are equipped in conveying mechanism 6 described in the present embodiment, the pallet 62 is set to support
On disk 61, and the modular fixture 4 is matched with pallet 62.
Supply line 3 described in the present embodiment is equipped with the driving band for driving pallet 61, and the pallet 61 is set to driving
It takes.
The special plane of long distance Laser Welding described in the present embodiment 5 uses long distance Laser Welding special plane, is provided with dichroscope 51, swashs
Light light beam 52, laser scanning galvanometer head 53, industrial camera lens 54, industrial camera and image processing unit 55 and light source 56, institute
The laser beam 52 stated is set to 51 top of dichroscope, and the laser scanning galvanometer head 53 and industrial camera lens 54 are set respectively
In the both sides of dichroscope 51, the industrial camera and image processing unit 55 are connect with industrial camera lens 54, the light
Source 56 is matched with laser scanning galvanometer head 53.
It is equipped with scanning galvanometer 57 in laser scanning galvanometer head 53 described in the present embodiment, is set in the scanning galvanometer 57
There are X-axis galvanometer 571 and Y-axis galvanometer 572.
Further include switch board 7 in the present embodiment, switch board handles input/output signal by PLC, will connect therewith
The external equipment connect is mounted into fieldbus networks, the control signal wire 8 and light that the switch board 7 passes through switch board and lasing light emitter
Source 56 connects, the light source 56 by the control signal wire 9 of lasing light emitter and long distance laser welding special plane and laser optical cable 10 with
Laser welding protective cabin 2 connects, and is connect with power distribution cabinet 12 by lasing light emitter power cord 11, and the laser welding protective cabin 2 is logical
It crosses long distance laser welding special plane power cord 13 to connect with power distribution cabinet 12, the switch board 7 passes through switch board power cord 14 and distribution
Cabinet 12 connects, and the switch board 7 is connect by industrial personal computer power line 15 with industrial personal computer 16.
The working method of the battery case laser high-precision scanning welding system based on galvanometer described in the present embodiment, specifically
Working method it is as follows：
1）：Battery case workpiece is located on the pallet 61 of conveying by pallet 62 first；
2）：Workpiece is sent in laser welding protective cabin 2 by pipeline 3 by pallet 61 of the driving with pallet 62；
3）：After modular fixture 4 by all battery case clamping workpieces and after being accurately positioned, lifting body jacks pallet vertically
To machining position, battery case workpiece to be processed is carried out accurate clamping, positioning by the fixture of work pieces process position in laser welding protective cabin；
4）：Then the CS central controller of control centre exports trigger signal, starts the work in long distance Laser Welding special plane 5
Industry camera lens 54 shoot battery case, are accurately identified, are judged to the pose of workpiece；
5）：Judge whether the clamping gap of workpiece to be welded exceeds predetermined threshold value, so that it is determined that workpiece can carry out high-velocity scanning
Whether welding is feasible；If workpiece can carry out weld job, laser scanning galvanometer head 53 can automatically adjust laser facula relative to
The deviation in workpiece actual welding path so that laser facula can be scanned accurately along actual welds to greatest extent, to which auxiliary is remote
The welding process of high quality is completed away from laser welding special plane；
6）：System controller obtain status ready signal, judge state all it is errorless after, output signal trigger lasing light emitter into
Row Laser emission, laser beam 52 are transmitted through laser optical cable, after expanding, collimate, deflecting, focusing, high energy density laser
Light beam focuses workpiece path to be welded, is quickly deflected by scanning galvanometer 57 in long distance Laser Welding special plane, completes workpiece path of welding
Scanning and weld job；
7）：After the completion of welding, modular fixture 4 discharges workpiece, and is sent out the workpiece processed through pipeline by pallet 61
This work station；
8）：Welding process startup before, first carry out system mode self-test, judge workpiece whether clamping in place, guiding swash
Whether after the adjustment light hot spot, if ready, into follow-up process, if there is problem, then carries out urgent-stop alarm, while entire
System stops operating, and waits Awaiting Overhauls；After welding process startup, if the very situation of experience is removed if lasing light emitter does not emit laser
Lasing light emitter self diagnosis is alarmed, and whole system also generates signal alarm, while emergency stop simultaneously；In system emergency stop and obtain inspection
It repaiies, after troubleshooting, carries out the resetting of system so that system is returned to original state.
In the present embodiment during the work time, the working method of fixture is as follows, by compressed air-driven so that clamp machine
Tool component carries out the accurate clamping of one group of workpiece, release, and obtaining fixture action by the sensor of holder status sensing device arrives
Signal whether position, and by this signal transmission to control centre, the Rule of judgment as subsequent logic control.
The working method of the special plane of long distance Laser Welding described in the present embodiment is as follows：The laser beam irradiation is passed through optical cable
It is defeated, it after expanding, collimating, is reflected through dichroscope, reaches X-axis galvanometer, through its reflection, Y-axis galvanometer is reached, through F- after reflection
Theta mirrors reach workpiece surface after focusing, and are deflected by X-axis galvanometer and Y-axis galvanometer, realize and control the position of laser spot.
Industrial camera lens are it is observed that the obtained to-be-welded region target image of reflected light is eliminated through median filter in digital image in image
Noise information, it is discontinuous according to pixel gray level then through Threshold Segmentation Algorithm, distinguish background and object foreground, prominent tape welding
Path is connect, later, according to Image edge tracking method, calculates the intermediary image vegetarian refreshments in practical path to be welded, so traversal is entire
Path of welding is closed, the weld seam path that laser facula will be actually scanned is obtained.It is subject to and obtains the actual welding path,
So that laser facula presets scan path and the deviation in practical work piece path to be welded is compensated.
Embodiment 3
A kind of battery case laser high-precision based on galvanometer as shown in the figure scans welding system, including：Rack 1 and laser
Protective cabin 2 is welded, the rack 1 is equipped with the supply line 3 for workpiece transport, and the laser welding protective cabin 2 is set to transport
On line 3, modular fixture 4 and the long distance Laser Welding special plane 5 based on galvanometer, the transport are equipped in the laser welding protective cabin 2
Line 3 is equipped with the conveying mechanism 6 for conveying workpieces, and the modular fixture 4 is set on conveying mechanism 6, the long distance Laser Welding
Special plane 5 is set to the top of laser welding protective cabin 2, and the supply line 3, modular fixture 4, long distance Laser Welding special plane 5 and
Pallet and conveying mechanism 6 are connect with control centre.
Modular fixture 4 described in the present embodiment exists in groups, is provided with mechanical mechanism, compressed gas source control and driving dress
Set, holder status sensing device, compressed gas source control and driving device and holder status sensing device with mechanical machine
Structure connects.
Pallet 61 and pallet 62 are equipped in conveying mechanism 6 described in the present embodiment, the pallet 62 is set to support
On disk 61, and the modular fixture 4 is matched with pallet 62.
Supply line 3 described in the present embodiment is equipped with the driving band for driving pallet 61, and the pallet 61 is set to driving
It takes.
The special plane of long distance Laser Welding described in the present embodiment 5 uses long distance Laser Welding special plane, is provided with dichroscope 51, swashs
Light light beam 52, laser scanning galvanometer head 53, industrial camera lens 54, industrial camera and image processing unit 55 and light source 56, institute
The laser beam 52 stated is set to 51 top of dichroscope, and the laser scanning galvanometer head 53 and industrial camera lens 54 are set respectively
In the both sides of dichroscope 51, the industrial camera and image processing unit 55 are connect with industrial camera lens 54, the light
Source 56 is matched with laser scanning galvanometer head 53.
It is equipped with scanning galvanometer 57 in laser scanning galvanometer head 53 described in the present embodiment, is set in the scanning galvanometer 57
There are X-axis galvanometer 571 and Y-axis galvanometer 572.
Further include that switch board is handled input/output signal by PLC in the present embodiment, it is external by what is be attached thereto
Hanging equipment accesses fieldbus networks.
Long distance Laser Welding special plane 5 and the junction of laser welding protective cabin 2 described in the present embodiment are adjusted equipped with position
Mechanism, the position adjusting mechanism are connect with control centre.
In position adjusting mechanism described in the present embodiment be equipped with lateral position regulating mechanism, lengthwise position regulating mechanism with
And height adjustment mechanism, wherein the height adjustment mechanism uses elevating mechanism.
The working method of the battery case laser high-precision scanning welding system based on galvanometer described in the present embodiment, specifically
Working method it is as follows：
1）：Battery case workpiece is located on the pallet 61 of conveying by pallet 62 first；
2）：Workpiece is sent in laser welding protective cabin 2 by pipeline 3 by pallet 61 of the driving with pallet 62；
3）：After modular fixture 4 by all battery case clamping workpieces and after being accurately positioned, lifting body jacks pallet vertically
To machining position, battery case workpiece to be processed is carried out accurate clamping, positioning by the fixture of work pieces process position in laser welding protective cabin；
4）：Then the CS central controller of control centre exports trigger signal, starts the work in long distance Laser Welding special plane 5
Industry camera lens 54 shoot battery case, are accurately identified, are judged to the pose of workpiece；
5）：Judge whether the clamping gap of workpiece to be welded exceeds predetermined threshold value, so that it is determined that workpiece can carry out high-velocity scanning
Whether welding is feasible；If workpiece can carry out weld job, laser scanning galvanometer head 53 can automatically adjust laser facula relative to
The deviation in workpiece actual welding path so that laser facula can be scanned accurately along actual welds to greatest extent, to which auxiliary is remote
The welding process of high quality is completed away from laser welding special plane；
6）：System controller obtain status ready signal, judge state all it is errorless after, output signal trigger lasing light emitter into
Row Laser emission, laser beam 52 are transmitted through laser optical cable, after expanding, collimate, deflecting, focusing, high energy density laser
Light beam focuses workpiece path to be welded, is quickly deflected by scanning galvanometer 57 in long distance Laser Welding special plane, completes workpiece path of welding
Scanning and weld job；
7）：After the completion of welding, modular fixture 4 discharges workpiece, and is sent out the workpiece processed through pipeline by pallet 61
This work station；
8）：Welding process startup before, first carry out system mode self-test, judge workpiece whether clamping in place, guiding swash
Whether after the adjustment light hot spot, if ready, into follow-up process, if there is problem, then carries out urgent-stop alarm, while entire
System stops operating, and waits Awaiting Overhauls；After welding process startup, if the very situation of experience is removed if lasing light emitter does not emit laser
Lasing light emitter self diagnosis is alarmed, and whole system also generates signal alarm, while emergency stop simultaneously；In system emergency stop and obtain inspection
It repaiies, after troubleshooting, carries out the resetting of system so that system is returned to original state.
In the present embodiment during the work time, the working method of fixture is as follows, by compressed air-driven so that clamp machine
Tool component carries out the accurate clamping of one group of workpiece, release, and obtaining fixture action by the sensor of holder status sensing device arrives
Signal whether position, and by this signal transmission to control centre, the Rule of judgment as subsequent logic control.
The working method of the special plane of long distance Laser Welding described in the present embodiment is as follows：The laser beam irradiation is passed through optical cable
It is defeated, it after expanding, collimating, is reflected through dichroscope, reaches X-axis galvanometer, through its reflection, Y-axis galvanometer is reached, through F- after reflection
Theta mirrors reach workpiece surface after focusing, and are deflected by X-axis galvanometer and Y-axis galvanometer, realize and control the position of laser spot.
Industrial camera lens are it is observed that the obtained to-be-welded region target image of reflected light is eliminated through median filter in digital image in image
Noise information, it is discontinuous according to pixel gray level then through Threshold Segmentation Algorithm, distinguish background and object foreground, prominent tape welding
Path is connect, later, according to Image edge tracking method, calculates the intermediary image vegetarian refreshments in practical path to be welded, so traversal is entire
Path of welding is closed, the weld seam path that laser facula will be actually scanned is obtained.It is subject to and obtains the actual welding path,
So that laser facula presets scan path and the deviation in practical work piece path to be welded is compensated.
The working method of the battery case laser high-precision scanning welding system based on galvanometer described in the present embodiment, specifically
Working method it is as follows：
1）：Battery case workpiece multiple first, are located in by pallet 62 on the pallet 61 of conveying；
2）：Workpiece is sent in laser welding protective cabin 2 by pipeline 3 by pallet 61 of the driving with pallet 62；
3）：After modular fixture 4 by all clamping workpieces and after being accurately positioned, the CS central controller of control centre exports
Trigger signal, the scanning galvanometer started in long distance Laser Welding special plane 5 carry out remote scanning welding to battery case；
4）：After the completion of welding, modular fixture 4 discharges workpiece, and is sent out the workpiece processed through pipeline by pallet 61
This work station.
In the present embodiment during long distance Laser Welding special plane 5 works, pass through the lateral position in position adjusting mechanism
Regulating mechanism, lengthwise position regulating mechanism and height adjustment mechanism can be special to long distance Laser Welding according to the actual needs of processing
The welding position of machine 5, which is set, to be adjusted.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvement can also be made, these improvement also should be regarded as
The scope of protection of the utility model.
Claims (7)
1. a kind of battery case laser high-precision based on galvanometer scans welding system, it is characterised in that：Including：Rack（1）With swash
Photocoagulation protective cabin（2）, the rack（1）It is equipped with the supply line for workpiece transport（3）, the laser welding protective cabin
（2）Set on supply line（3）On, the laser welding protective cabin（2）In be equipped with modular fixture（4）With the long distance laser based on galvanometer
Weld special plane（5）, the supply line（3）It is equipped with the conveying mechanism for conveying workpieces（6）, the modular fixture（4）Set on defeated
Send mechanism（6）On, the long distance Laser Welding special plane（5）Set on laser welding protective cabin（2）Top, and the supply line
（3）, modular fixture（4）, long distance Laser Welding special plane（5）And pallet and conveying mechanism（6）It is connect with control centre.
2. the battery case laser high-precision according to claim 1 based on galvanometer scans welding system, it is characterised in that：Institute
State modular fixture（4）Exist in groups, is provided with mechanical mechanism, compressed gas source control and driving device, holder status induction dress
It sets, compressed gas source control and driving device and holder status sensing device are connect with mechanical mechanism.
3. the battery case laser high-precision according to claim 1 based on galvanometer scans welding system, it is characterised in that：Institute
State conveying mechanism（6）In be equipped with pallet（61）And pallet（62）, the pallet（62）Set on pallet（61）On, and institute
State modular fixture（4）With pallet（62）It matches.
4. the battery case laser high-precision according to claim 1 based on galvanometer scans welding system, it is characterised in that：Institute
State supply line（3）It is equipped with for driving pallet（61）Driving band, the pallet（61）It is taken set on driving.
5. the battery case laser high-precision according to claim 1 based on galvanometer scans welding system, it is characterised in that：Institute
State long distance Laser Welding special plane（5）In be equipped with dichroscope（51）, laser beam（52）, laser scanning galvanometer head（53）, industrial phase
Machine camera lens（54）, industrial camera and image processing unit（55）And light source（56）, the laser beam（52）Set on dichroic
Mirror（51）Top, the laser scanning galvanometer head（53）And industrial camera lens（54）It is respectively arranged on dichroscope（51）Two
Side, the industrial camera and image processing unit（55）With industrial camera lens（54）Connection, the light source（56）With laser
Scanning galvanometer head（53）It matches.
6. the battery case laser high-precision according to claim 5 based on galvanometer scans welding system, it is characterised in that：Institute
The laser scanning galvanometer head stated（53）In be equipped with scanning galvanometer（57）, the scanning galvanometer（57）In be equipped with X-axis galvanometer（571）
With Y-axis galvanometer（572）.
7. the battery case laser high-precision according to claim 1 based on galvanometer scans welding system, it is characterised in that：Also
Including switch board（7）, switch board handled input/output signal by PLC, by the external equipment being attached thereto mount into
Fieldbus networks, the switch board（7）Pass through the control signal wire of switch board and lasing light emitter（8）With light source（56）Connection, institute
State light source（56）Pass through the control signal wire of lasing light emitter and long distance laser welding special plane（9）And laser optical cable（10）With Laser Welding
Connect protective cabin（2）Connection, and pass through lasing light emitter power cord（11）With power distribution cabinet（12）Connection, the laser welding protective cabin（2）
Pass through long distance laser welding special plane power cord（13）With power distribution cabinet（12）Connection, the switch board（7）Pass through switch board power cord
（14）With power distribution cabinet（12）Connection, and the switch board（7）Pass through industrial personal computer power line（15）With industrial personal computer（16）Connection.
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| CN201721541007.XU CN207806889U (en) | 2017-11-17 | 2017-11-17 | A kind of battery case laser high-precision scanning welding system based on galvanometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824970A (en) * | 2017-11-17 | 2018-03-23 | 同高先进制造科技（太仓）有限公司 | A kind of battery case laser high-speed scanning welding system and method for work based on galvanometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824970A (en) * | 2017-11-17 | 2018-03-23 | 同高先进制造科技（太仓）有限公司 | A kind of battery case laser high-speed scanning welding system and method for work based on galvanometer |
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