CN103955164B - The control system of laser parameter in dual-beam laser welding system - Google Patents
The control system of laser parameter in dual-beam laser welding system Download PDFInfo
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- CN103955164B CN103955164B CN201410169144.XA CN201410169144A CN103955164B CN 103955164 B CN103955164 B CN 103955164B CN 201410169144 A CN201410169144 A CN 201410169144A CN 103955164 B CN103955164 B CN 103955164B
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Abstract
The embodiment of the present invention provides the control system of laser parameter in a kind of dual-beam laser welding system, and this system includes: human-computer interaction device, receives setup parameter display system state；Processor, generates for controlling the first control instruction of laser parameter and for controlling the second control instruction of robot motion's state according to setup parameter；Multiple ET200S unit, all of ET200S unit is connected with processor by a bus, the ET200S unit of connecting laser, for the first control instruction is sent to laser instrument, and obtains the first feedback signal from laser instrument；Connect the ET200S unit of robot, be used for the second control instruction distribution of machine people, and obtain the second feedback signal from robot.Demand to dual-beam laser welding when the embodiment of the present invention meets processed complex part, thus it is favorably improved quality and the efficiency of dual-beam laser welding.
Description
Technical field
The present invention relates to dual-beam laser welding technical field, particularly to laser in a kind of dual-beam laser welding system
The control system of device parameter.
Background technology
Dual-beam laser welding is the new welding process grown up into several years, typical dual-beam laser welding
System is typically made up of Liang Tai robot and two optical fiber lasers, as it is shown in figure 1, owing to using two bundle laser two
Limit carries out T-shape weld simultaneously, makes the thermal deformation on joint both sides cancel out each other, effectively controls welding process
In deformation, improve the performance of part so that dual-beam laser welding is widely used in fields such as aviations.
During dual-beam laser welding, the parameter of laser instrument is set by the control computer of laser instrument itself,
The robot He Guanguang that opens the light by digital output modul laser instrument.
(abbreviation of an optical fiber laser manufacturer can pass through network address (http://www.ipgphotonics.com/) to IPG
Inquire about) optical fiber laser has that energy conversion efficiency is high, volume is little, to the features such as adaptive capacity to environment is strong, mesh
Before be mainly used in the industrial circle such as cut, welding.
Along with dual-beam laser welding technology is the most more and more widely applied, for ensureing double light beam laser weldering
The efficiency connect and reliability, and meet process requirements to complex parts, it is desirable to can during welding basis
Different situations adjusts every laser parameter neatly, but owing to following difficulty makes the mistake at dual-beam laser welding
Journey adjusts every laser parameter neatly according to different situations be not easily accomplished:
1) but it is simply input output control owing to robot can only carry out some, it is impossible to meet the need of laser control
Want；The product of the most various different machines people producer is the most incompatible, is a kind of nonopen system, it is impossible to realize skill
The transplanting of art.
2) IPG laser instrument itself provides the program statement carrying out laser control more complicated, in operator's grasp
There is certain difficulty.Control program calls the binary coding mode using multiple I/O points composition, to machine simultaneously
People's programming brings certain difficulty, easily causes maloperation simultaneously.
Summary of the invention
Embodiments provide the control system of laser parameter in a kind of dual-beam laser welding system, solve
Prior art cannot adjust during dual-beam laser welding the technical problem of every laser parameter neatly.
Embodiments provide the control system of laser parameter, this system in a kind of dual-beam laser welding system
Including: human-computer interaction device, for receiving the setup parameter of laser instrument；Processor, with described human-computer interaction device even
Connect, for generating for controlling the first control instruction of laser parameter and for controlling machine according to described setup parameter
Second control instruction of people's kinestate；Multiple ET200S unit, each ET200S unit all by a bus with
Described processor connects, and multiple ET200S unit include the ET200S unit of connecting laser and connect robot
ET200S unit, wherein, the ET200S unit of connecting laser, for carrying out described first control instruction
Laser instrument adaptive processes, it is thus achieved that the first control signal, and described first control signal is sent to connected laser
Device；Connect the ET200S unit of robot, for described second control instruction is carried out robot adaptive processes,
Obtain the second control signal, and described second control signal is sent to connected robot.
In one embodiment, each ET200S unit includes: adapter, is used for resolving ET200S unit in institute
Stating the address in bus, described address is that described first control instruction is sent to described connecting laser by described processor
ET200S unit and described second control instruction is sent to the foundation of ET200S unit of described connection robot.
In one embodiment, each ET200S unit also includes: digital output module, for by digital quantity
First control signal is transferred to laser instrument and the second control signal of digital quantity is transferred to robot；And/or analog quantity
Output module, for being transferred to laser instrument and the second control signal of analog quantity being passed by the first control signal of analog quantity
It is defeated by robot.
In one embodiment, also include: storage device, be connected with described processor by described bus, be used for depositing
Store up the laser parameter preset according to different dual-beam laser welding situations.
In one embodiment, described processor is connected with described human-computer interaction device and refers to that described processor passes through
PROFIBUS bus is connected with described human-computer interaction device；Each ET200S unit is all by a bus and described place
Reason device connection refers to that each ET200S unit is all connected with described processor by PROFIBUS bus.
In one embodiment, the ET200S unit of described connecting laser, it is additionally operable to gather the described laser instrument of instruction
Current status information and the indication signal of parameter information；Described processor, is additionally operable to be converted into described indication signal
Status information that described laser instrument is current and parameter information, and by status information current for described laser instrument and parameter information
It is sent to described human-computer interaction device；Described human-computer interaction device, is additionally operable to show the shape that described laser instrument is current in real time
State information and parameter information.
In one embodiment, the ET200S unit of described connecting laser also includes: digital quantity input module, uses
In the indication signal receiving digital quantity；And/or Analog input mModule, for receiving the indication signal of analog quantity.
In one embodiment, described human-computer interaction device is the human-computer interaction device of diagram form.
In one embodiment, described human-computer interaction device is touch screen.
In embodiments of the present invention, carried out the setup parameter of real-time reception laser instrument by human-computer interaction device, this laser instrument
Setup parameter can set in real time according to different situations in dual-beam welding process, processor according to described in set
Determine parameter generation to be used for controlling the first control instruction of laser parameter (such as, power, pulse mode etc.) and being used for
Control the second control instruction of robot motion's state (such as, movement velocity etc.), every in multiple ET200S unit
Individual ET200S unit is all connected with described processor by a bus, and multiple ET200S unit include connecting laser
The ET200S unit of device and the ET200S unit of connection robot, then by the ET200S unit of connecting laser,
Described first control instruction is carried out laser instrument adaptive processes, it is thus achieved that the first control signal, and control described first
Signal is sent to connected laser instrument；Connect the ET200S unit of robot, described second control instruction is carried out
Robot adaptive processes, it is thus achieved that the second control signal, and described second control signal is sent to connected machine
People, the kinestate making robot current closely cooperates with laser instrument, it is achieved that in dual-beam laser welding process
In, the parameter of laser instrument can be adjusted in real time according to different situations neatly, and correspondingly adjust the operation of robot
State, meets the demand of processed complex part, thus is favorably improved quality and the efficiency of dual-beam laser welding.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the structured flowchart of a kind of dual-beam laser welding system of the prior art；
Fig. 2 is the control system of laser parameter in a kind of dual-beam laser welding system that the embodiment of the present invention provides
Structured flowchart.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing,
The present invention is described in further details.Here, the exemplary embodiment of the present invention and explanation thereof are used for explaining this
Bright, but not as a limitation of the invention.
In embodiments of the present invention, it is provided that the control system of laser parameter in a kind of dual-beam laser welding system,
As in figure 2 it is shown, this system includes: human-computer interaction device 201, for receiving the setup parameter of laser instrument；Processor
202, it is connected with described human-computer interaction device 201, is used for controlling laser instrument ginseng for generating according to described setup parameter
The first control instruction counted and the second control instruction being used for controlling robot motion's state；Multiple ET200S unit
203, each ET200S unit 203 is all connected with described processor by a bus, wraps in multiple ET200S unit
Include the ET200S unit of connecting laser and connect the ET200S unit of robot, wherein, connecting laser
ET200S unit, for described first control instruction is carried out laser instrument adaptive processes, it is thus achieved that the first control signal,
And described first control signal is sent to connected laser instrument；Connect the ET200S unit of robot, for right
Described second control instruction carries out robot adaptive processes, it is thus achieved that the second control signal, and controls letter by described second
Number it is sent to connected robot.
Structured flowchart as shown in Figure 2 understands, and in embodiments of the present invention, carrys out real-time reception by human-computer interaction device
The setup parameter of laser instrument, the setup parameter of this laser instrument can be real according to different situations in dual-beam welding process
Time set, processor according to described setup parameter generate be used for controlling laser parameter (such as, power, pulse mode
Formula etc.) the first control instruction and being used for control the second control of robot motion's state (such as, movement velocity etc.)
Instruction, in multiple ET200S unit, each ET200S unit is all connected with described processor by a bus, multiple
ET200S unit includes the ET200S unit of connecting laser and connects the ET200S unit of robot, then passes through
The ET200S unit of connecting laser, carries out laser instrument adaptive processes and (such as, will described first control instruction
First control instruction generates the discernible control signal of laser instrument), it is thus achieved that the first control signal, and by described first control
Signal processed is sent to connected laser instrument；Connect the ET200S unit of robot, described second control instruction is entered
Second control instruction (such as, is generated the discernible control signal of robot) by row robot adaptive processes, it is thus achieved that
Second control signal, and described second control signal is sent to connected robot, make robot current
Kinestate closely cooperates with laser instrument, it is achieved that during dual-beam laser welding, can be in real time according to different
Situation adjusts the parameter of laser instrument neatly, and correspondingly adjusts the running status of robot, meets processed complex zero
The demand of part, thus it is favorably improved quality and the efficiency of dual-beam laser welding.
When being embodied as, the setup parameter of above-mentioned laser instrument can be control during dual-beam laser welding laser instrument with
Walk out of light, Guan Guang, power linear change, curvilinear motion, continuous mode goes out light, pulse mode goes out light, pulse mode
The parameter of the functions such as coupling.
When being embodied as, in order to exactly the first control instruction and the second control instruction are sent to the ET200S of correspondence
Unit, in the present embodiment, each ET200S unit includes: adapter, is used for resolving ET200S unit in institute
Stating the address in bus, described address is that described first control instruction is sent to connecting laser by processor
ET200S unit and described second control instruction is sent to connect the foundation of ET200S unit of robot.Process
First control instruction can be sent to be connected with laser instrument according to ET200S unit address in bus by device
ET200S unit, is sent to the ET200S unit being connected with robot by described second control instruction.
After generating the first control signal and the second control signal, in order to realize ET200S unit respectively with laser instrument
And the signal transmission between robot, in the present embodiment, each ET200S unit 203 also includes: digital quantity is defeated
Go out module, for the first control signal of digital quantity being transferred to laser instrument and by the second control signal transmission of digital quantity
To robot；And/or analog output module, for the first control signal of analog quantity being transferred to laser instrument and inciting somebody to action
Second control signal of analog quantity is transferred to robot.Such as, when the first control signal is digital quantity signal, pass through
Digital output module realizes the signal transmission between ET200S unit and laser instrument, when the first control signal is simulation
During amount signal, realize signal between ET200S unit and laser instrument by analog output module and transmit, for the
Two control signals, similar to the first control signal situation.
Operator is to laser setup parameter for convenience, in the present embodiment, also includes: storage device, by institute
State bus to be connected with described processor, the laser instrument ginseng preset according to different dual-beam laser welding situations for storage
Number, this storage device can be that the DB (Data Block, data block) of S7-300 touches block.Such as, this is preset
Laser parameter can be the welding effect preferably laser parameter set for different speeds of welding, welding material,
When operator needs setup parameter, the situations such as current speed of welding, welding material can be directly selected, easily
Complete the setting operation of the laser parameter corresponding with situations such as current speed of welding, welding materials.
In the specific implementation, in order to improve capacity of resisting disturbance and the reliability of system, described processor and described man-machine friendship
Equipment connection refers to that described processor is connected with described human-computer interaction device by PROFIBUS bus mutually；Each
ET200S unit is all connected with described processor by a bus and refers to that each ET200S unit all passes through
PROFIBUS bus is connected with described processor, it is also possible to greatly reduce quantity and the length of signal cable.
During dual-beam laser welding, for the ease of the duty of user's monitoring laser in real time, in this reality
Execute in example, the ET200S unit of described connecting laser, it is additionally operable to gather the state letter indicating described laser instrument current
Breath and the indication signal (i.e. the first feedback signal of laser instrument) of parameter information；Described processor, is additionally operable to described
Indication signal is converted into the current status information of described laser instrument and parameter information, and by state current for described laser instrument
Information and parameter information are sent to described human-computer interaction device, and described human-computer interaction device is additionally operable to show in real time and described swashs
Status information that light device is current and parameter information, this status information may refer to show whether laser instrument is in the states such as warning
Information, this parameter information may refer to show the current power of laser instrument, the isoparametric information of pulse mode；Described company
The ET200S unit of welding robot, is additionally operable to gather and indicates the current status information of described robot and parameter information
Indication signal (i.e. the second feedback signal of robot)；Described processor, is additionally operable to be converted into described indication signal
Status information that described robot is current and parameter information, and by status information current for described robot and parameter information
Being sent to described human-computer interaction device, described human-computer interaction device is additionally operable to show the state that described robot is current in real time
Information and parameter information.
When being embodied as, the ET200S unit of connecting laser also includes: digital quantity input module, is used for receiving number
The indication signal of word amount；And/or Analog input mModule, for receiving the indication signal of analog quantity.Such as, when adopting
When the indication signal of collection is the signal of digital quantity, digital quantity input module is used to receive indication signal；When the instruction gathered
When signal is the signal of analog quantity, Analog input mModule is used to receive indication signal.
In order to reduce the operation easier of operator, in the present embodiment, described human-computer interaction device 201 is touch screen,
This human-computer interaction device 201 can also is that the touch screen of graphical interfaces, can use multiple triggering, clock mode, extension
Property is good, can be connected with various robot systems.
When being embodied as, in above-mentioned dual-beam laser welding system, the control system of laser parameter can be based on west gate
The control system of sub-S7-300PLC (Programmable Logic Controller, programmable logic controller (PLC)), CPU
(Central Processing Unit, central processing unit) unit (i.e. processor 202) can include power module and
CPU module, the process of responsible signal and calculating and the storage of parameter；ET200S unit 203 can also include electricity
Source module, it is achieved the signal transmission between ET200S unit and laser instrument and robot.
In embodiments of the present invention, setup parameter the display system of real-time reception laser instrument is come by human-computer interaction device
State, the setup parameter of this laser instrument can set according to different situations in dual-beam welding process in real time, place
Reason device generates according to described setup parameter and is used for controlling the first of laser parameter (such as, power, pulse mode etc.)
Control instruction and be used for controlling second control instruction of robot motion's state (such as, movement velocity etc.), multiple
In ET200S unit, each ET200S unit is all connected with described processor by a bus, multiple ET200S unit
Include the ET200S unit of connecting laser and connect the ET200S unit of robot, then passing through connecting laser
ET200S unit, described first control instruction is carried out laser instrument adaptive processes, it is thus achieved that the first control signal,
And described first control signal is sent to connected laser instrument, and obtain the first feedback signal from laser instrument；Connect
The ET200S unit of robot, carries out robot adaptive processes to described second control instruction, it is thus achieved that second controls
Signal, and described second control signal is sent to connected robot, make the kinestate that robot is current
Closely cooperate with laser instrument, and obtain the second feedback signal from robot, it is achieved that during dual-beam laser welding,
The parameter of laser instrument can be adjusted in real time according to different situations neatly, and correspondingly adjust the operation shape of robot
State, meets the demand of complex parts dual-beam laser welding, thus is favorably improved the quality of dual-beam laser welding
And efficiency.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirit and principles in the present invention,
Any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (9)
1. the control system of laser parameter in a dual-beam laser welding system, it is characterised in that including:
Human-computer interaction device, for receiving the setup parameter of laser instrument；
Processor, is connected with described human-computer interaction device, is used for controlling laser instrument for generating according to described setup parameter
First control instruction of parameter and for controlling the second control instruction of robot motion's state；
Multiple ET200S unit, each ET200S unit is all connected with described processor by a bus, multiple
ET200S unit includes the ET200S unit of connecting laser and connects the ET200S unit of robot, wherein,
The ET200S unit of connecting laser, for carrying out laser instrument adaptive processes to described first control instruction, it is thus achieved that
First control signal, and described first control signal is sent to connected laser instrument；Connect the ET200S of robot
Unit, for carrying out robot adaptive processes to described second control instruction, it is thus achieved that the second control signal, and by institute
State the second control signal and be sent to connected robot；
The ET200S unit of described connection robot, be additionally operable to gather indicate the current status information of described robot and
The indication signal of parameter information；
Described processor, is additionally operable to described indication signal is converted into the current status information of described robot and parameter letter
Breath, and status information current for described robot and parameter information are sent to described human-computer interaction device；
Described human-computer interaction device, is additionally operable to show status information and the parameter information that described robot is current in real time.
2. the control system of laser parameter in dual-beam laser welding system as claimed in claim 1, its feature exists
In, each ET200S unit includes:
Adapter, for resolving ET200S unit address on the bus, described address is that described processor will
Described first control instruction is sent to the ET200S unit of described connecting laser and described second control instruction is sent
Foundation to the ET200S unit of described connection robot.
3. the control system of laser parameter in dual-beam laser welding system as claimed in claim 1, its feature exists
In, each ET200S unit also includes:
Digital output module, for being transferred to laser instrument and by the second of digital quantity by the first control signal of digital quantity
Control signal is transferred to robot；
And/or analog output module, for the first control signal of analog quantity is transferred to laser instrument and by analog quantity
The second control signal be transferred to robot.
4. the control system of laser parameter in dual-beam laser welding system as claimed in claim 1, its feature exists
In, also include:
Storage device, is connected with described processor by described bus, for storage according to different dual-beam laser weldings
The laser parameter that situation is preset.
5. the control system of laser parameter in dual-beam laser welding system as according to any one of Claims 1-4
System, it is characterised in that described processor is connected with described human-computer interaction device and refers to that described processor passes through
PROFIBUS bus is connected with described human-computer interaction device；
Each ET200S unit is all connected with described processor by a bus and refers to that each ET200S unit all passes through
PROFIBUS bus is connected with described processor.
6. the control system of laser parameter in dual-beam laser welding system as according to any one of Claims 1-4
System, it is characterised in that
The ET200S unit of described connecting laser, be additionally operable to gather indicate the current status information of described laser instrument and
The indication signal of parameter information；
Described processor, is additionally operable to described indication signal is converted into the current status information of described laser instrument and parameter letter
Breath, and status information current for described laser instrument and parameter information are sent to described human-computer interaction device；
Described human-computer interaction device, is additionally operable to show status information and the parameter information that described laser instrument is current in real time.
7. the control system of laser parameter in dual-beam laser welding system as claimed in claim 6, its feature exists
In, the ET200S unit of described connecting laser also includes:
Digital quantity input module, for receiving the indication signal of digital quantity；
And/or Analog input mModule, for receiving the indication signal of analog quantity.
8. the control system of laser parameter in dual-beam laser welding system as according to any one of Claims 1-4
System, it is characterised in that described human-computer interaction device is the human-computer interaction device of diagram form.
9. the control system of laser parameter in dual-beam laser welding system as according to any one of Claims 1-4
System, it is characterised in that described human-computer interaction device is touch screen.
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| CN201410169144.XA CN103955164B (en) | 2014-04-24 | 2014-04-24 | The control system of laser parameter in dual-beam laser welding system |
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| CN106267574A (en) * | 2015-05-25 | 2017-01-04 | 黑龙江工程学院 | The control system of a kind of medical lasers and method |
| CN113245722B (en) * | 2021-06-17 | 2021-10-01 | 昆山华恒焊接股份有限公司 | Control method and device of laser cutting robot and storage medium |
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Address after: 100024 North East military villa, eight Li bridge, Chaoyang District, Beijing Patentee after: China Institute of Aeronautical Manufacturing Technology Address before: 100024 North East military villa, eight Li bridge, Chaoyang District, Beijing Patentee before: Beijing Aviation Manufacturing Engineering Institute of China Aviation Industry Group Company |