CN108838522A - The control system of laser cutting head based on the movement of EtherCAT bus multi-axial Simultaneous - Google Patents
The control system of laser cutting head based on the movement of EtherCAT bus multi-axial Simultaneous Download PDFInfo
- Publication number
- CN108838522A CN108838522A CN201810606944.1A CN201810606944A CN108838522A CN 108838522 A CN108838522 A CN 108838522A CN 201810606944 A CN201810606944 A CN 201810606944A CN 108838522 A CN108838522 A CN 108838522A
- Authority
- CN
- China
- Prior art keywords
- laser cutting
- cutting head
- master control
- ethercat
- sheet processor
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0421—Multiprocessor system
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/22—Pc multi processor system
- G05B2219/2214—Multicontrollers, multimicrocomputers, multiprocessing
Abstract
The present invention relates to laser cutting technique fields, the control system of the laser cutting head specifically based on the movement of EtherCAT bus multi-axial Simultaneous.A kind of control system of the laser cutting head based on the movement of EtherCAT bus multi-axial Simultaneous, it is characterised in that：The signal end of EtherCAT main website is bi-directionally connected laser cutting head motor driver, the signal output end of PD control device connects the signal input part of EtherCAT communication controller by communication line, EtherCAT communication controller is bi-directionally connected the first master control sheet processor by communication line, first master control sheet processor is bi-directionally connected the second master control sheet processor by communication line, and the second master control sheet processor passes through port respectively and is bi-directionally connected eyeglass electric machine controller；First master control sheet processor is bi-directionally connected sensor control panel by line port P18.Compared with the existing technology, it using EtherCAT bussing technique, dynamically monitors entire laser cutting process and collects corresponding technology key parameter, be not necessarily to any manual intervention, automatically adjust the parameters such as spot diameter size and focal position.
Description
Technical field
The present invention relates to laser cutting technique fields, specifically swashing based on the movement of EtherCAT bus multi-axial Simultaneous
The control system of light cutting head.
Background technique
Laser cutting is widely used in the processing of metal and nonmetallic materials, can be significantly compared to traditional processing method
Process time is reduced, processing cost is reduced, improves workpiece quality.
In recent years, gradually popularizing with laser cutting, increasingly to efficient, the high-quality cutting demand of different kind of material
It is more.Currently, this development trend is there is an urgent need to promote existing laser processing manufacturing process and technology, to realize to different type not
The high-precision of stack pile material, high efficiency, high quality cutting.And during current laser cutting process, it is different for reply
Material and different-thickness workpiece carry out the processing request of high quality, need to be accurately controlled final technological parameter.On coping with
The sets requirement to laser processing different workpieces parameter is stated, countermeasure is to pass through operator after equipment downtime mostly at present
Member re-starts the corresponding parameter of setting by hand.However, this processing flow not only relies on site, corresponding operation personnel must
There must be corresponding operating experience, can also greatly increase the work pieces process time and reduce the processing efficiency of complete equipment.
Summary of the invention
The present invention in order to overcome the deficiencies of the prior art, provides the laser cutting based on the movement of EtherCAT bus multi-axial Simultaneous
The control system of head dynamically monitors entire laser cutting process and collects corresponding technology key using EtherCAT bussing technique
Parameter is not necessarily to any manual intervention according to cutting material feature, automatically adjusts the parameters such as spot diameter size and focal position,
It may be implemented to carry out high quality, rapid processing efficiently, inexpensive to the material of different materials, different-thickness.
To achieve the above object, a kind of control of laser cutting head based on the movement of EtherCAT bus multi-axial Simultaneous is designed
System, including EtherCAT main website, POE power supply control plate, laser cutting head master control borad, sensor control panel, digital capacitance
Acquire amplifier, laser cutting head motor driver, it is characterised in that：The signal end of EtherCAT main website is bis- by network interface LAN1
To connection laser cutting head motor driver, the signal end of laser cutting head motor driver is bi-directionally connected POE by network interface and supplies
The port P1 of automatically controlled making sheet, POE power supply control plate are bi-directionally connected the port P7 of laser cutting head master control borad by port P4；Institute
It include PD control device, EtherCAT communication controller, the first master control sheet processor, the second master in the laser cutting head master control borad stated
Sheet processor, eyeglass electric machine controller, signal receiving circuit are controlled, the signal output end of PD control device is connected by communication line
The signal input part of EtherCAT communication controller, EtherCAT communication controller are bi-directionally connected the first master control by communication line
Sheet processor, the first master control sheet processor are bi-directionally connected the second master control sheet processor, the processing of the second master control borad by communication line
Device passes through port P14, P15, P16 respectively, and P17 is bi-directionally connected eyeglass electric machine controller；First master control sheet processor passes through RS485
Communication line port P18 is bi-directionally connected sensor control panel；The signal output end of the laser cutting head motor driver is logical
Cross connection laser cutting head motor.
The signal output end of the signal receiving circuit is defeated by communication line the second master control borad processor signal of connection
Enter and holds P2, the signal output end TP1 of the signal input part P2 connection digital capacitance acquisition amplifier of signal receiving circuit.
Signal amplification circuit and LC resonance circuit are equipped in the digital capacitance acquisition amplifier.
The eyeglass electric machine controller is bi-directionally connected eyeglass motor-driven mechanism.
Be equipped with control sheet processor in the sensor control panel, control sheet processor be bi-directionally connected baroceptor,
Contaminant sensor, warm and humid sensor, perforation sensor.
PSE controller is equipped in the POE power supply control plate.
A kind of control method of the laser cutting head based on the movement of EtherCAT bus multi-axial Simultaneous, specific control method is such as
Under：
（1）EtherCAT main website is issued according to the model of converted products and is instructed；
（2）First master control sheet processor judges whether environmental data is qualified, works on if qualified；It alarms if unqualified；
（3）Laser cutting head motor driver block and the second master control sheet processor are respectively received work order；
（4）Laser cutting head motor driver controls laser cutting head motor movement, and laser cutting head is driven to move up and down；
（5）Digital capacitance acquisition amplifier collects the coordinate of laser cutting head actual height, and coordinate data is passed through letter
Number receive circuit be delivered to EtherCAT main website, whether be consistent by EtherCAT main station judging real data with director data, if
It is consistent, issues a command to laser cutting head motor driver, control laser cutting grease head highness is constant, continues step if not being consistent
（4）；
（6）Second master control sheet processor provides the theoretical coordinate parameter of eyeglass according to hot spot, focus and eyeglass mapping table, and will
Its parameter is delivered to eyeglass electric machine controller；
（7）Eyeglass electric machine controller controls eyeglass motor-driven mechanism, and eyeglass motor-driven mechanism drives lens movement；
（8）Digital capacitance acquisition amplifier collects the coordinate of eyeglass actual height, and coordinate data is received by signal
Circuit is delivered to the second master control sheet processor, judges whether real data is consistent with director data by the second master control sheet processor,
Keep lens height constant if being consistent, if not being consistent continues step（6）；
（9）After laser cutting head and eyeglass to instruction target position, laser cutting head starts to be cut by laser work.
The step of first master control sheet processor judges environmental data is as follows：
（1）The data being respectively collected into are conveyed to control by baroceptor, contaminant sensor, warm and humid sensor, perforation sensor
Sheet processor；
（2）Control sheet processor receives each data and is detected, and data are conveyed to the first master control sheet processor；
（3）First master control sheet processor judges whether the data of each detection are qualified, if qualified, work on；If unqualified
Alarm, and transmit signal to EtherCAT main website；
（4）EtherCAT main website receives alarm signal, stops working.
The present invention compared with the existing technology, using EtherCAT bussing technique, dynamically monitors entire laser cutting process simultaneously
Collect corresponding technology key parameter, according to cutting material feature, be not necessarily to any manual intervention, automatic adjustment spot diameter size and
The parameters such as focal position, may be implemented to carry out the material of different materials, different-thickness high quality, efficiently, low cost it is quick
Processing.
Detailed description of the invention
Fig. 1 is working principle block diagram of the present invention.
Fig. 2 is the flow diagram of the parallel control of cutting head of the present invention.
Fig. 3 is the signal parallel process flow block diagram of cutting head of the present invention.
Fig. 4 is the structural schematic diagram of laser cutting head.
Fig. 5 is that the 1st embodiment is related to the structural schematic diagram and its state of a control schematic diagram of laser cutting head.
Fig. 6 is that the 2nd embodiment is related to the structural schematic diagram and its state of a control schematic diagram of laser cutting head.
Fig. 7 is that the 3rd embodiment is related to the structural schematic diagram and its state of a control schematic diagram of laser cutting head.
Fig. 8 is that the 4th embodiment is related to the structural schematic diagram and its state of a control schematic diagram of laser cutting head.
Fig. 9 is that the 5th embodiment is related to the structural schematic diagram and its state of a control schematic diagram of laser cutting head.
Referring to fig. 4,1 is optical fiber component, and 2 be upper protective glass mechanism, and 3 be upper lens holding mechanism, and 4 be the fixed machine of lower eyeglass
Structure, 5 be focusing optic fixed mechanism, and 6 be lower protective glass mechanism, and 7 be side-blown gas circuit mechanism, and 8 be upper eyeglass motor driven
Mechanism, 9 be lower eyeglass motor-driven mechanism, and 10 be cutting gas gas circuit mechanism, and 11 be nozzle assembly, and 14 be purification water cooling unit
Structure.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in Figure 1, the signal end of EtherCAT main website is bi-directionally connected laser cutting head motor driven by network interface LAN1
Device, the signal end of laser cutting head motor driver are bi-directionally connected the port P1 of POE power supply control plate, POE power supply by network interface
Control panel is bi-directionally connected the port P7 of laser cutting head master control borad by port P4；Include in the laser cutting head master control borad
PD control device, EtherCAT communication controller, the first master control sheet processor, the second master control sheet processor, eyeglass electric machine controller,
The signal output end of signal receiving circuit, PD control device is inputted by the signal that communication line connects EtherCAT communication controller
End, EtherCAT communication controller are bi-directionally connected the first master control sheet processor by communication line, and the first master control sheet processor is logical
It crosses communication line and is bi-directionally connected the second master control sheet processor, the second master control sheet processor passes through port P14, P15, P16 respectively,
P17 is bi-directionally connected eyeglass electric machine controller；First master control sheet processor is bi-directionally connected biography by RS485 communication line port P18
Sensor control panel；The signal output end of laser cutting head motor driver passes through connection laser cutting head motor.
The signal output end of signal receiving circuit connects the second master control borad processor signal input terminal P2 by communication line,
The signal output end TP1 of the signal input part P2 connection digital capacitance acquisition amplifier of signal receiving circuit.
Digital capacitance, which acquires, is equipped with signal amplification circuit and LC resonance circuit in amplifier.
Eyeglass electric machine controller is bi-directionally connected eyeglass motor-driven mechanism.
Control sheet processor is equipped in sensor control panel, control sheet processor is bi-directionally connected baroceptor, pollution passes
Sensor, warm and humid sensor, perforation sensor.
PSE controller is equipped in POE power supply control plate.
Such as Fig. 2, shown in Fig. 3, a kind of control method of the laser cutting head based on the movement of EtherCAT bus multi-axial Simultaneous,
Specific control method is as follows：
（1）EtherCAT main website is issued according to the model of converted products and is instructed；
（2）First master control sheet processor judges whether environmental data is qualified, works on if qualified；It alarms if unqualified；
（3）Laser cutting head motor driver block and the second master control sheet processor are respectively received work order；
（4）Laser cutting head motor driver controls laser cutting head motor movement, and laser cutting head is driven to move up and down；
（5）Digital capacitance acquisition amplifier collects the coordinate of laser cutting head actual height, and coordinate data is passed through letter
Number receive circuit be delivered to EtherCAT main website, whether be consistent by EtherCAT main station judging real data with director data, if
It is consistent, issues a command to laser cutting head motor driver, control laser cutting grease head highness is constant, continues step if not being consistent
（4）；
（6）Second master control sheet processor provides the theoretical coordinate parameter of eyeglass according to hot spot, focus and eyeglass mapping table, and will
Its parameter is delivered to eyeglass electric machine controller；
（7）Eyeglass electric machine controller controls eyeglass motor-driven mechanism, and eyeglass motor-driven mechanism drives lens movement；
（8）Digital capacitance acquisition amplifier collects the coordinate of eyeglass actual height, and coordinate data is received by signal
Circuit is delivered to the second master control sheet processor, judges whether real data is consistent with director data by the second master control sheet processor,
Keep lens height constant if being consistent, if not being consistent continues step（6）；
（9）After laser cutting head and eyeglass to instruction target position, laser cutting head starts to be cut by laser work.
The step of first master control sheet processor judges environmental data is as follows：
（1）The data being respectively collected into are conveyed to control by baroceptor, contaminant sensor, warm and humid sensor, perforation sensor
Sheet processor；
（2）Control sheet processor receives each data and is detected, and data are conveyed to the first master control sheet processor；
（3）First master control sheet processor judges whether the data of each detection are qualified, if qualified, work on；If unqualified
Alarm, and transmit signal to EtherCAT main website；
（4）EtherCAT main website receives alarm signal, stops working.
As shown in figure 4, being respectively equipped in existing laser cutting head in the inside upper and lower ends of laser cutting head at present
It is solid to be equipped with upper eyeglass between upper lens holding mechanism 2 and lower protective glass mechanism 6 for lens holding mechanism 2 and lower protective glass mechanism 6
Determine mechanism 3 and lower lens holding mechanism 4, and upper lens holding mechanism 3 and lower lens holding mechanism 4 pass through one side respectively
Upper eyeglass motor-driven mechanism 8 and lower eyeglass motor-driven mechanism 9 are driven.
Embodiment 1, as shown in figure 5, being set in upper lens holding mechanism 3 according to workpieces processing 101 and the needs of workpiece 102
Positive lens is set, negative lens is set in lower lens holding mechanism 4, positive lens is set in focusing optic fixed mechanism 5.
When workpieces processing 101, firstly, sensor control panel carry out detection work environment data it is whether qualified；Secondly,
EtherCAT main website transfers the work of the altitude information of laser cutting head and the hot spot of upper and lower eyeglass, focus data according to workpiece 101
Skill parameter sends instructions to laser cutting head motor control module and laser cutting head master control borad respectively；Then, laser cutting head
The position of the nozzle assembly 11 of laser cutting head is moved to and 101 upper surface of workpiece by motor control module according to technological parameter
Distance d11Position, such as scheme（a）It is shown；At the same time, laser cutting head master control borad is according to technological parameter, and eyeglass is fixed in adjustment
The position of mechanism 3 and lower lens holding mechanism 4, the distance and focal beam spot of adjusting laser focal beam spot to 101 upper surface of workpiece
Size, reach required technological parameter requirement distance d12And spot size, such as scheme（b）It is shown；Finally, laser cutting head start into
Row laser cutting work.
Likewise, EtherCAT main website transfers the altitude information of laser cutting head according to workpiece 102 when workpieces processing 102
With the technological parameter of the hot spot of upper and lower eyeglass, focus data, laser cutting head motor control module is sent instructions to respectively and is swashed
Light cutting head master control borad；Then, laser cutting head motor control module is according to technological parameter, by the nozzle assembly of laser cutting head
11 position is moved to and 102 upper surface distance d of workpiece110Position, such as scheme（c）It is shown；At the same time, laser cutting head master
Plate is controlled according to technological parameter, the position of lens holding mechanism 3 and lower lens holding mechanism 4 in adjustment, adjusting laser focal beam spot
To the distance of 102 upper surface of workpiece and the size of focal beam spot, reach required technological parameter requirement distance d120And spot size,
Such as figure（d）It is shown；Finally, laser cutting head starts to carry out laser cutting work.
Wherein, upper protective glass mechanism 2 can prevent dirt particle from entering upper lens holding mechanism 3 and lower lens holding mechanism
In 4.Lower protective glass mechanism 6 is used in laser cutting process, protect focusing optic fixed mechanism 5 above from
Dust pollution in laser processing.5 fixing optical elements of focusing optic fixed mechanism are positive lens, are made by upper eyeglass
The laser of fixed mechanism 3 and lower lens holding mechanism 4 focuses the specific position of inside workpiece with specific hot spot.
Embodiment 2, as shown in fig. 6, being set in upper lens holding mechanism 3 according to workpieces processing 201 and the needs of workpiece 202
Positive lens is set, positive lens is set in lower lens holding mechanism 4, positive lens is set in focusing optic fixed mechanism 5.
When workpieces processing 201, firstly, sensor control panel carry out detection work environment data it is whether qualified；Secondly,
EtherCAT main website transfers the work of the altitude information of laser cutting head and the hot spot of upper and lower eyeglass, focus data according to workpiece 201
Skill parameter sends instructions to laser cutting head motor control module and laser cutting head master control borad respectively；Then, laser cutting head
The position of the nozzle assembly 11 of laser cutting head is moved to and 201 upper surface of workpiece by motor control module according to technological parameter
Distance d21Position, such as scheme（a）It is shown；At the same time, laser cutting head master control borad is according to technological parameter, and eyeglass is fixed in adjustment
The position of mechanism 3 and lower lens holding mechanism 4, the distance and focal beam spot of adjusting laser focal beam spot to 201 upper surface of workpiece
Size, reach required technological parameter requirement distance d22And spot size, such as scheme（b）It is shown；Finally, laser cutting head start into
Row laser cutting work.
Likewise, EtherCAT main website transfers the altitude information of laser cutting head according to workpiece 202 when workpieces processing 202
With the technological parameter of the hot spot of upper and lower eyeglass, focus data, laser cutting head motor control module is sent instructions to respectively and is swashed
Light cutting head master control borad；Then, laser cutting head motor control module is according to technological parameter, by the nozzle assembly of laser cutting head
11 position is moved to and 202 upper surface distance d of workpiece210Position, such as scheme（c）It is shown；At the same time, laser cutting head master
Plate is controlled according to technological parameter, the position of lens holding mechanism 3 and lower lens holding mechanism 4 in adjustment, adjusting laser focal beam spot
To the distance of 202 upper surface of workpiece and the size of focal beam spot, reach required technological parameter requirement distance d220And spot size,
Such as figure（d）It is shown；Finally, laser cutting head starts to carry out laser cutting work.
Wherein, upper protective glass mechanism 2 can prevent dirt particle from entering upper lens holding mechanism 3 and lower lens holding mechanism
In 4.Lower protective glass mechanism 6 is used in laser cutting process, protect focusing optic fixed mechanism 5 above from
Dust pollution in laser processing.5 fixing optical elements of focusing optic fixed mechanism are positive lens, are made by upper eyeglass
The laser of fixed mechanism 3 and lower lens holding mechanism 4 focuses the specific position of inside workpiece with specific hot spot.
Embodiment 3, as shown in fig. 7, being set in upper lens holding mechanism 3 according to workpieces processing 301 and the needs of workpiece 302
Positive lens is set, positive lens is set in lower lens holding mechanism 4, is increased between upper lens holding mechanism 3 and lower lens holding mechanism 4
One negative lens 33, the position of negative lens 33 be it is fixed immovable, setting is just saturating in focusing optic fixed mechanism 5
Mirror.
When workpieces processing 301, firstly, sensor control panel carry out detection work environment data it is whether qualified；Secondly,
EtherCAT main website transfers the work of the altitude information of laser cutting head and the hot spot of upper and lower eyeglass, focus data according to workpiece 301
Skill parameter sends instructions to laser cutting head motor control module and laser cutting head master control borad respectively；Then, laser cutting head
The position of the nozzle assembly 11 of laser cutting head is moved to and 301 upper surface of workpiece by motor control module according to technological parameter
Distance d31Position, such as scheme（a）It is shown；At the same time, laser cutting head master control borad is according to technological parameter, and eyeglass is fixed in adjustment
The position of mechanism 3 and lower lens holding mechanism 4, the distance and focal beam spot of adjusting laser focal beam spot to 301 upper surface of workpiece
Size, reach required technological parameter requirement distance d32And spot size, such as scheme（b）It is shown；Finally, laser cutting head start into
Row laser cutting work.
Likewise, EtherCAT main website transfers the altitude information of laser cutting head according to workpiece 302 when workpieces processing 302
With the technological parameter of the hot spot of upper and lower eyeglass, focus data, laser cutting head motor control module is sent instructions to respectively and is swashed
Light cutting head master control borad；Then, laser cutting head motor control module is according to technological parameter, by the nozzle assembly of laser cutting head
11 position is moved to and 302 upper surface distance d of workpiece310Position, such as scheme（c）It is shown；At the same time, laser cutting head master
Plate is controlled according to technological parameter, the position of lens holding mechanism 3 and lower lens holding mechanism 4 in adjustment, adjusting laser focal beam spot
To the distance of 302 upper surface of workpiece and the size of focal beam spot, reach required technological parameter requirement distance d320And spot size,
Such as figure（d）It is shown；Finally, laser cutting head starts to carry out laser cutting work.
Wherein, upper protective glass mechanism 2 can prevent dirt particle from entering upper lens holding mechanism 3, negative lens 33 and lower mirror
In piece fixed mechanism 4.Lower protective glass mechanism 6 is used in laser cutting process, protects focusing optic above solid
Mechanism 5 is determined from the dust pollution in laser processing.5 fixing optical elements of focusing optic fixed mechanism are positive lens,
Make to focus inside workpiece by the laser of upper lens holding mechanism 3, negative lens 33 and lower lens holding mechanism 4 with specific hot spot
Specific position.
Embodiment 4, as shown in figure 8, being set in upper lens holding mechanism 3 according to workpieces processing 401 and the needs of workpiece 402
Negative lens is set, negative lens is set in lower lens holding mechanism 4, increases by one between upper lens holding mechanism 3 and upper protective glass mechanism 2
A positive lens 44 increases another positive lens 45, just thoroughly between lower lens holding mechanism 4 and focusing optic fixed mechanism 5
The position of mirror 44 and another positive lens 45 is fixed immovable, setting positive lens in focusing optic fixed mechanism 5.
When workpieces processing 401, firstly, sensor control panel carry out detection work environment data it is whether qualified；Secondly,
EtherCAT main website transfers the work of the altitude information of laser cutting head and the hot spot of upper and lower eyeglass, focus data according to workpiece 401
Skill parameter sends instructions to laser cutting head motor control module and laser cutting head master control borad respectively；Then, laser cutting head
The position of the nozzle assembly 11 of laser cutting head is moved to and 401 upper surface of workpiece by motor control module according to technological parameter
Distance d41Position, such as scheme（a）It is shown；At the same time, laser cutting head master control borad is according to technological parameter, and eyeglass is fixed in adjustment
The position of mechanism 3 and lower lens holding mechanism 4, the distance and focal beam spot of adjusting laser focal beam spot to 401 upper surface of workpiece
Size, reach required technological parameter requirement distance d42And spot size, such as scheme（b）It is shown；Finally, laser cutting head start into
Row laser cutting work.
Likewise, EtherCAT main website transfers the altitude information of laser cutting head according to workpiece 402 when workpieces processing 402
With the technological parameter of the hot spot of upper and lower eyeglass, focus data, laser cutting head motor control module is sent instructions to respectively and is swashed
Light cutting head master control borad；Then, laser cutting head motor control module is according to technological parameter, by the nozzle assembly of laser cutting head
11 position is moved to and 402 upper surface distance d of workpiece410Position, such as scheme（c）It is shown；At the same time, laser cutting head master
Plate is controlled according to technological parameter, the position of lens holding mechanism 3 and lower lens holding mechanism 4 in adjustment, adjusting laser focal beam spot
To the distance of 402 upper surface of workpiece and the size of focal beam spot, reach required technological parameter requirement distance d420And spot size,
Such as figure（d）It is shown；Finally, laser cutting head starts to carry out laser cutting work.
Wherein, upper protective glass mechanism 2 can prevent dirt particle from entering upper lens holding mechanism 3, positive lens 44, lower eyeglass
In fixed mechanism 4 and another positive lens 45.Lower protective glass mechanism 6 is used in laser cutting process, is protected above
Focusing optic fixed mechanism 5 is from the dust pollution in laser processing.The fixed optics of focusing optic fixed mechanism 5
Element is positive lens, is made by upper lens holding mechanism 3, positive lens 44, lower lens holding mechanism 4 and another positive lens 45
Laser focuses the specific position of inside workpiece with specific hot spot.
Embodiment 5, as shown in figure 9, being set in upper lens holding mechanism 3 according to workpieces processing 501 and the needs of workpiece 502
Negative lens is set, positive lens is set in lower lens holding mechanism 4, increases by one between upper lens holding mechanism 3 and upper protective glass mechanism 2
A positive lens 55, the position of positive lens 55 are fixed immovable, settings positive and negative two in focusing optic fixed mechanism 5
A lens.
When workpieces processing 501, firstly, sensor control panel carry out detection work environment data it is whether qualified；Secondly,
EtherCAT main website transfers the work of the altitude information of laser cutting head and the hot spot of upper and lower eyeglass, focus data according to workpiece 501
Skill parameter sends instructions to laser cutting head motor control module and laser cutting head master control borad respectively；Then, laser cutting head
The position of the nozzle assembly 11 of laser cutting head is moved to and 501 upper surface of workpiece by motor control module according to technological parameter
Distance d51Position, such as scheme（a）It is shown；At the same time, laser cutting head master control borad is according to technological parameter, and eyeglass is fixed in adjustment
The position of mechanism 3 and lower lens holding mechanism 4, the distance and focal beam spot of adjusting laser focal beam spot to 501 upper surface of workpiece
Size, reach required technological parameter requirement distance d52And spot size, such as scheme（b）It is shown；Finally, laser cutting head start into
Row laser cutting work.
Likewise, EtherCAT main website transfers the altitude information of laser cutting head according to workpiece 502 when workpieces processing 502
With the technological parameter of the hot spot of upper and lower eyeglass, focus data, laser cutting head motor control module is sent instructions to respectively and is swashed
Light cutting head master control borad；Then, laser cutting head motor control module is according to technological parameter, by the nozzle assembly of laser cutting head
11 position is moved to and 502 upper surface distance d of workpiece510Position, such as scheme（c）It is shown；At the same time, laser cutting head master
Plate is controlled according to technological parameter, the position of lens holding mechanism 3 and lower lens holding mechanism 4 in adjustment, adjusting laser focal beam spot
To the distance of 502 upper surface of workpiece and the size of focal beam spot, reach required technological parameter requirement distance d520And spot size,
Such as figure（d）It is shown；Finally, laser cutting head starts to carry out laser cutting work.
Wherein, upper protective glass mechanism 2 can prevent dirt particle from entering upper lens holding mechanism 3, positive lens 55, lower eyeglass
In fixed mechanism 4.Lower protective glass mechanism 6 is used in laser cutting process, and focusing optic above is protected to fix
Mechanism 5 is from the dust pollution in laser processing.5 fixing optical elements of focusing optic fixed mechanism are positive and negative two
Lens make to focus in workpiece by the laser of upper lens holding mechanism 3, positive lens 55, lower lens holding mechanism 4 with specific hot spot
The specific position in portion.
More than, control method according to the present invention can use existing laser cutting head, reaches automatic control laser and cuts
Cut the height of head, the position of hot spot and focus dynamically monitors entire laser cutting process simultaneously using EtherCAT bussing technique
Collect corresponding technology key parameter, according to cutting material feature, be not necessarily to any manual intervention, automatic adjustment spot diameter size and
The parameters such as focal position, may be implemented to carry out the material of different materials, different-thickness high quality, efficiently, low cost it is quick
Processing.
Claims (8)
1. a kind of control system of the laser cutting head based on the movement of EtherCAT bus multi-axial Simultaneous, including EtherCAT master
It stands, POE power supply control plate, laser cutting head master control borad, sensor control panel, digital capacitance acquisition amplifier, laser cutting
Head motor driver, it is characterised in that：The signal end of EtherCAT main website is bi-directionally connected laser cutting head electricity by network interface LAN1
Machine driver, the signal end of laser cutting head motor driver are bi-directionally connected the port P1 of POE power supply control plate by network interface,
POE power supply control plate is bi-directionally connected the port P7 of laser cutting head master control borad by port P4；The laser cutting head master control
It include PD control device, EtherCAT communication controller, the first master control sheet processor, the second master control sheet processor, eyeglass electricity in plate
The signal output end of machine controller, signal receiving circuit, PD control device connects EtherCAT communication controller by communication line
Signal input part, EtherCAT communication controller is bi-directionally connected the first master control sheet processor, the first master control by communication line
Sheet processor is bi-directionally connected the second master control sheet processor by communication line, and the second master control sheet processor passes through port P14 respectively,
P15, P16, P17 are bi-directionally connected eyeglass electric machine controller；First master control sheet processor is bis- by RS485 communication line port P18
To connection sensor control panel；The signal output end of the laser cutting head motor driver is cut by laser by connection
Head motor.
2. the control system of the laser cutting head according to claim 1 based on the movement of EtherCAT bus multi-axial Simultaneous,
It is characterized in that：The signal output end of the signal receiving circuit connects the second master control borad processor signal by communication line
Input terminal P2, the signal output end TP1 of the signal input part P2 connection digital capacitance acquisition amplifier of signal receiving circuit.
3. the control system of the laser cutting head according to claim 2 based on the movement of EtherCAT bus multi-axial Simultaneous,
It is characterized in that：Signal amplification circuit and LC resonance circuit are equipped in the digital capacitance acquisition amplifier.
4. the control system of the laser cutting head according to claim 1 based on the movement of EtherCAT bus multi-axial Simultaneous,
It is characterized in that：The eyeglass electric machine controller is bi-directionally connected eyeglass motor-driven mechanism.
5. the control system of the laser cutting head according to claim 1 based on the movement of EtherCAT bus multi-axial Simultaneous,
It is characterized in that：Control sheet processor is equipped in the sensor control panel, control sheet processor is bi-directionally connected air pressure sensing
Device, contaminant sensor, warm and humid sensor, perforation sensor.
6. the control system of the laser cutting head according to claim 1 based on the movement of EtherCAT bus multi-axial Simultaneous,
It is characterized in that：PSE controller is equipped in the POE power supply control plate.
7. a kind of control method of the laser cutting head based on the movement of EtherCAT bus multi-axial Simultaneous, it is characterised in that：Specifically
Control method is as follows：
（1）EtherCAT main website is issued according to the model of converted products and is instructed；
（2）First master control sheet processor judges whether environmental data is qualified, works on if qualified；It alarms if unqualified；
（3）Laser cutting head motor driver block and the second master control sheet processor are respectively received work order；
（4）Laser cutting head motor driver controls laser cutting head motor movement, and laser cutting head is driven to move up and down；
（5）Digital capacitance acquisition amplifier collects the coordinate of laser cutting head actual height, and coordinate data is passed through letter
Number receive circuit be delivered to EtherCAT main website, whether be consistent by EtherCAT main station judging real data with director data, if
It is consistent, issues a command to laser cutting head motor driver, control laser cutting grease head highness is constant, continues step if not being consistent
（4）；
（6）Second master control sheet processor provides the theoretical coordinate parameter of eyeglass according to hot spot, focus and eyeglass mapping table, and will
Its parameter is delivered to eyeglass electric machine controller；
（7）Eyeglass electric machine controller controls eyeglass motor-driven mechanism, and eyeglass motor-driven mechanism drives lens movement；
（8）Digital capacitance acquisition amplifier collects the coordinate of eyeglass actual height, and coordinate data is received by signal
Circuit is delivered to the second master control sheet processor, judges whether real data is consistent with director data by the second master control sheet processor,
Keep lens height constant if being consistent, if not being consistent continues step（6）；
（9）After laser cutting head and eyeglass to instruction target position, laser cutting head starts to be cut by laser work.
8. the control method of the laser cutting head according to claim 7 based on the movement of EtherCAT bus multi-axial Simultaneous,
It is characterized in that：The step of first master control sheet processor judges environmental data is as follows：
（1）The data being respectively collected into are conveyed to control by baroceptor, contaminant sensor, warm and humid sensor, perforation sensor
Sheet processor；
（2）Control sheet processor receives each data and is detected, and data are conveyed to the first master control sheet processor；
（3）First master control sheet processor judges whether the data of each detection are qualified, if qualified, work on；If unqualified
Alarm, and transmit signal to EtherCAT main website；
（4）EtherCAT main website receives alarm signal, stops working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606944.1A CN108838522B (en) | 2018-06-13 | 2018-06-13 | Laser cutting head control system based on EtherCAT bus multi-axis synchronous motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606944.1A CN108838522B (en) | 2018-06-13 | 2018-06-13 | Laser cutting head control system based on EtherCAT bus multi-axis synchronous motion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108838522A true CN108838522A (en) | 2018-11-20 |
| CN108838522B CN108838522B (en) | 2020-07-03 |
Family
ID=64210981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810606944.1A Active CN108838522B (en) | 2018-06-13 | 2018-06-13 | Laser cutting head control system based on EtherCAT bus multi-axis synchronous motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108838522B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992900A (en) * | 2020-07-07 | 2020-11-27 | 河南通用智能装备有限公司 | Silicon wafer laser cutting management system and method |
| CN112346416A (en) * | 2020-10-19 | 2021-02-09 | 苏州创鑫激光科技有限公司 | Laser device based on EtherCAT bus and control device and system thereof |
| CN112817272A (en) * | 2021-01-05 | 2021-05-18 | 新代科技(苏州)有限公司 | Bus stepping driving and controlling integrated laser welding control equipment |
| CN113953684A (en) * | 2021-11-18 | 2022-01-21 | 上海维宏智能技术有限公司 | System, method and device for realizing synchronous control of laser cutting position, processor and computer readable storage medium thereof |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774083A (en) * | 2010-02-08 | 2010-07-14 | 重庆斯沃德光电设备设计制造有限公司 | Multifunctional laser digital-control processing system |
| CN201979219U (en) * | 2010-12-30 | 2011-09-21 | 杭州中科新松光电有限公司 | Laser welding machine tool |
| CN102528288A (en) * | 2012-02-17 | 2012-07-04 | 上海柏楚电子科技有限公司 | Method for digital closed-loop control capacitance raising system |
| CN202583811U (en) * | 2012-04-21 | 2012-12-05 | 中国电子科技集团公司第四十八研究所 | Multi-shaft synchronous-motion control system based on Ether CAT bus technology |
| CN202845981U (en) * | 2012-09-26 | 2013-04-03 | 武汉法利莱切割系统工程有限责任公司 | White body roof laser brazing technique control device |
| CN102306009B (en) * | 2011-04-21 | 2013-04-24 | 中国电子科技集团公司第十四研究所 | Fitting incremental forming control system and method |
| CN203658796U (en) * | 2013-09-30 | 2014-06-18 | 天津市中环电子计算机有限公司 | Multi-axis movement control system development platform |
| CN203751530U (en) * | 2013-12-25 | 2014-08-06 | 武汉高能激光设备制造有限公司 | Laser cutting assembly capable of automatically following focus |
| CN104759736A (en) * | 2014-01-07 | 2015-07-08 | 中国国际海运集装箱(集团)股份有限公司 | Container corrugated plate welding robot and visual servo control system thereof |
| CN105137916A (en) * | 2015-09-09 | 2015-12-09 | 华中科技大学 | Vibrating mirror type laser scanning large-format material forming processing control system |
| CN204925765U (en) * | 2015-09-09 | 2015-12-30 | 华中科技大学 | Mirror of shaking laser scanning is flooring forming work control system by a wide margin |
| US9321128B2 (en) * | 2009-07-28 | 2016-04-26 | The United States Of America As Represented By The Secretary Of The Navy | High power laser system |
| CN105700465A (en) * | 2014-11-26 | 2016-06-22 | 中国科学院沈阳自动化研究所 | Robot compliance control system and method based on EtherCAT bus |
| CN205543668U (en) * | 2015-12-30 | 2016-08-31 | 常州天正工业发展有限公司 | Laser device control system |
| CN105988409A (en) * | 2015-02-11 | 2016-10-05 | 广东顺德华焯机械科技有限公司 | Numerical control system based on EtherCat bus communication and soft PLC platform |
| CN106502212A (en) * | 2016-10-20 | 2017-03-15 | 大族激光科技产业集团股份有限公司 | A kind of integrated numerical-control system of laser Digit Control Machine Tool |
| CN106873604A (en) * | 2017-04-18 | 2017-06-20 | 中国科学院重庆绿色智能技术研究院 | Intelligent multi-robot control system based on wireless telecommunications |
| CN107677205A (en) * | 2017-09-29 | 2018-02-09 | 桂林电子科技大学 | A kind of laser measurement system and method based on industrial robot |
-
2018
- 2018-06-13 CN CN201810606944.1A patent/CN108838522B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9321128B2 (en) * | 2009-07-28 | 2016-04-26 | The United States Of America As Represented By The Secretary Of The Navy | High power laser system |
| CN101774083A (en) * | 2010-02-08 | 2010-07-14 | 重庆斯沃德光电设备设计制造有限公司 | Multifunctional laser digital-control processing system |
| CN201979219U (en) * | 2010-12-30 | 2011-09-21 | 杭州中科新松光电有限公司 | Laser welding machine tool |
| CN102306009B (en) * | 2011-04-21 | 2013-04-24 | 中国电子科技集团公司第十四研究所 | Fitting incremental forming control system and method |
| CN102528288A (en) * | 2012-02-17 | 2012-07-04 | 上海柏楚电子科技有限公司 | Method for digital closed-loop control capacitance raising system |
| CN202583811U (en) * | 2012-04-21 | 2012-12-05 | 中国电子科技集团公司第四十八研究所 | Multi-shaft synchronous-motion control system based on Ether CAT bus technology |
| CN202845981U (en) * | 2012-09-26 | 2013-04-03 | 武汉法利莱切割系统工程有限责任公司 | White body roof laser brazing technique control device |
| CN203658796U (en) * | 2013-09-30 | 2014-06-18 | 天津市中环电子计算机有限公司 | Multi-axis movement control system development platform |
| CN203751530U (en) * | 2013-12-25 | 2014-08-06 | 武汉高能激光设备制造有限公司 | Laser cutting assembly capable of automatically following focus |
| CN104759736A (en) * | 2014-01-07 | 2015-07-08 | 中国国际海运集装箱(集团)股份有限公司 | Container corrugated plate welding robot and visual servo control system thereof |
| CN105700465A (en) * | 2014-11-26 | 2016-06-22 | 中国科学院沈阳自动化研究所 | Robot compliance control system and method based on EtherCAT bus |
| CN105988409A (en) * | 2015-02-11 | 2016-10-05 | 广东顺德华焯机械科技有限公司 | Numerical control system based on EtherCat bus communication and soft PLC platform |
| CN204925765U (en) * | 2015-09-09 | 2015-12-30 | 华中科技大学 | Mirror of shaking laser scanning is flooring forming work control system by a wide margin |
| CN105137916A (en) * | 2015-09-09 | 2015-12-09 | 华中科技大学 | Vibrating mirror type laser scanning large-format material forming processing control system |
| CN205543668U (en) * | 2015-12-30 | 2016-08-31 | 常州天正工业发展有限公司 | Laser device control system |
| CN106502212A (en) * | 2016-10-20 | 2017-03-15 | 大族激光科技产业集团股份有限公司 | A kind of integrated numerical-control system of laser Digit Control Machine Tool |
| CN106873604A (en) * | 2017-04-18 | 2017-06-20 | 中国科学院重庆绿色智能技术研究院 | Intelligent multi-robot control system based on wireless telecommunications |
| CN107677205A (en) * | 2017-09-29 | 2018-02-09 | 桂林电子科技大学 | A kind of laser measurement system and method based on industrial robot |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992900A (en) * | 2020-07-07 | 2020-11-27 | 河南通用智能装备有限公司 | Silicon wafer laser cutting management system and method |
| CN112346416A (en) * | 2020-10-19 | 2021-02-09 | 苏州创鑫激光科技有限公司 | Laser device based on EtherCAT bus and control device and system thereof |
| CN112817272A (en) * | 2021-01-05 | 2021-05-18 | 新代科技(苏州)有限公司 | Bus stepping driving and controlling integrated laser welding control equipment |
| CN113953684A (en) * | 2021-11-18 | 2022-01-21 | 上海维宏智能技术有限公司 | System, method and device for realizing synchronous control of laser cutting position, processor and computer readable storage medium thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108838522B (en) | 2020-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108838522A (en) | The control system of laser cutting head based on the movement of EtherCAT bus multi-axial Simultaneous | |
| CN101224519B (en) | Arc welding robot jointing monitoring system based vision sensing | |
| CN107030352B (en) | Welding seam tracking visual sensor based on laser structured light | |
| CN101856773B (en) | Focusing positioning method based on initial laser processing position and laser processing device | |
| CN104475971B (en) | A kind of beam splitting laser multistation timesharing cutting machine and processing method | |
| CN102914995A (en) | Tool wear automatic compensation method and system, and corresponding numerically-controlled machine tool machining equipment | |
| CN102423987B (en) | Precision engraving machine for processing glass panel and method for processing glass panel by using same | |
| CN110888202A (en) | Optical fiber coupler and control method thereof | |
| CN109807472B (en) | Laser cutting equipment capable of being controlled remotely | |
| CN203831649U (en) | universal laser trimming mechanism universal for slide platform | |
| CN101298116B (en) | Non-coaxial positioning method for processing laser material | |
| CN210864118U (en) | Optical fiber coupler | |
| CN114160507B (en) | Laser cleaning path automatic planning method based on multiple sensing detection | |
| CN104669064A (en) | CNC vision aided machining system and method | |
| CN201681959U (en) | Scribing machine for thin-film solar battery | |
| CN210207697U (en) | Online visual detection device for measuring distance from edge of lithium battery pole piece to edge of tab | |
| CN101898253B (en) | Numerical control machine | |
| CN202246415U (en) | Glass panel processing fine engraving machine | |
| CN106670652A (en) | Laser coaxial processing device and method | |
| CN204565789U (en) | CNC vision secondary process system | |
| CN103033518A (en) | Visual detection method and equipment for micro ring-type magnetic element | |
| CN103436882B (en) | The making method of wiring board laser filling perforation machine and wiring board | |
| CN212181178U (en) | Optical fiber adjusting device based on machine vision | |
| CN210757843U (en) | Flexible welding robot system | |
| WO2022141863A1 (en) | Multi-channel pre-alignment system and method based on machine vision |
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 | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 200241 No. 1000, Lanxiang Hunan Road, Minhang District, Shanghai Patentee after: SHANGHAI FRIENDESS ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 200240 No. 953 lane, Jianchuan Road, Minhang District, Shanghai 322 Patentee before: SHANGHAI FRIENDESS ELECTRONIC TECHNOLOGY Co.,Ltd. |