CN105149791A - Large-breadth laser etching system and control method - Google Patents
Large-breadth laser etching system and control method Download PDFInfo
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- CN105149791A CN105149791A CN201510479694.6A CN201510479694A CN105149791A CN 105149791 A CN105149791 A CN 105149791A CN 201510479694 A CN201510479694 A CN 201510479694A CN 105149791 A CN105149791 A CN 105149791A
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Abstract
The invention belongs to the technical field of laser etching, and particularly relates to a large-breadth laser etching system and a control method. The large-breadth laser etching system comprises a computer, a solid laser device, a three-dimensional displacement system, a position detecting system, a galvanometer system, a galvanometer height self-adaptation system and a servo motor system. The control method includes the steps that a laser focusing center is moved to a left standard zero point of the displacement system through the three-dimensional displacement system; the computer transmits a command to the three-dimensional displacement system, a trolley of the three-dimensional displacement system rightwards moves along the X axis at a constant speed, the computer receives actual position signals of the trolley, and the galvanometer system and the solid laser device are controlled to conduct laser etching on the corresponding position; and when the trolley moves to the position behind a right X-axis deceleration sensor, deceleration motion is done, the trolley is parked to a right standard zero point, the three-dimensional displacement system moves along the Y axis by a certain distance, the Y axis stops moving, the trolley leftwards moves along the X axis at a constant speed, and etching of a second cutting layer is started. The large-breadth laser etching system is small in power dissipation, high in efficiency and high in etching accuracy. The requirement for etching patterns in various sizes is met.
Description
Technical field
Invention belongs to laser etching techniques field, specifically a kind of big width laser etching system and control method.
Background technology
In metal sheet surface process, in existing big width laser etching system, 6 peculiar errors of galvanometer cannot overcome completely, and cause large figure to be divided into little figure to occur Boundary Distortion in etching, splicing effect is poor.Yield rate is low.Range of application is little.In addition, existing process technology also adopts electrochemical etching technique, and its environmental pollution is comparatively large, and existing restriction will be eliminated.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of big width laser etching system and control method, power consumption is little, and efficiency is high, and etching precision is high, is particularly suitable for large pattern etch.
For realizing above-mentioned technical purpose, scheme provided by the invention is: a kind of big width laser etching system, comprises, computer, for controlling three-D displacement system, galvanometer system, and the dividing processing of big width laser etched features; Solid state laser, etches for big width laser; Three-D displacement system, for support solid laser instrument, and realizes the movement of solid state laser along X-axis; Position detecting system, for the current position of the real-time transfer bogie of computer; Galvanometer system, the laser that solid state laser exports scans in Y direction by the pattern for follow procedure setting; Galvanometer height adaptive system, for accurately controlling the height of galvanometer and workpiece; Servo electrical machinery system, for drive displacement system; Wherein, computer is connected with solid state laser, galvanometer system, servo electrical machinery system, position detecting system respectively, and servo electrical machinery system, position detecting system are connected with three-D displacement system.
And described solid state laser is optical fiber laser.
The present invention also provides a kind of control method of big width laser etching system, comprises the steps.
1) first the first dividing layer instruction starting to etch is sent to servo electrical machinery system by computer, and servo electrical machinery system drives three-D displacement system, dolly is moved to X axis left benchmark zero point.
2) servo electrical machinery system drives the dolly in three-D displacement system to move right along X axis.
3) computer controlled damping mirror system does Y direction particles.
4) position detecting system is in real time to computer delivering position data, controls solid state laser etch after computer receiving position data according to graph data; And confirm the start and stop of galvanometer height adaptive system.
5) when moving of car is to right deceleration sensor, dolly slows down and runs to X axis right benchmark and stops zero point, completes the etching of the first dividing layer.
6) computer move instruction is to servo electrical machinery system, and servo electrical machinery system drives the crossbeam in three-D displacement system to move the distance of setting along Y direction, moves into place rear cross beam and keeps static.
7) the second dividing layer instruction starting to etch is sent to servo electrical machinery system by computer.
8) servo electrical machinery system drives the dolly in three-D displacement system to be moved to the left.
9) computer controlled damping mirror system is along Y direction particles.
10) position detecting system is in real time to computer delivering position data, controls solid state laser etch after computer receiving position data according to graph data; And confirm the start and stop of galvanometer height adaptive system.
11) when moving of car is to left deceleration sensor, dolly slows down and runs to X axis left benchmark and stops zero point, completes the etching of the second dividing layer; Complete the etching of other dividing layers according to this.
And described graph data comprises the following steps.
1) big width laser etching figure be divided into the first dividing layer, the second dividing layer ..., N dividing layer.
2) the laser ablation data that each dividing layer is relevant to position are processed.
3) motor program of galvanometer system at each dividing layer is determined.
4) the bright dipping program of solid state laser at each dividing layer is determined.
5) determine that galvanometer height adaptive system is opened and the control program stopped.
Beneficial effect of the present invention is:
1, greatly improve laser ablation scope, solve conventional method and cannot complete the meticulous laser ablation of large format;
2,6 kinds of aliasing that galvanometer system in former conventional method is intrinsic are avoided;
3, adopt galvanometer height adaptive system to ensure the height of galvanometer and workpiece, ensure the uniformity of laser ablation;
4, relatively traditional processing mode, system of the present invention galvanometer system in etching only does Y-direction scanning, and X is completed to motion by two-dimensional movement system, improves etching precision and efficiency, reduces the distortion of etched features to greatest extent;
5, the problem of environmental pollution of electrochemical etching is avoided;
6, power consumption is little, and efficiency is high, and etching precision is high.Meet the etching of various sizes pattern.
Accompanying drawing explanation
Fig. 1 is block diagram of the present invention.
Fig. 2 is displacement system motion mode schematic diagram of the present invention.
Fig. 3 is the flow chart of control method of the present invention.
Fig. 4 is the flow chart of computer graphics data instruction of the present invention.
Wherein, 1, computer, 2, solid state laser, 3, galvanometer system, 4, three-D displacement system, 5, servo electrical machinery system, 6, position detecting system, 7, galvanometer height adaptive system.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
The present embodiment provides a kind of big width laser etching system, as depicted in figs. 1 and 2, comprises computer 1, solid state laser 2, galvanometer system 3, three-D displacement system 4, servo electrical machinery system 5, position detecting system 6, galvanometer height adaptive system 7.Wherein, computer 1 is connected with solid state laser 2, galvanometer system 3, servo electrical machinery system 5 position detecting system 6, three-D displacement system 4, galvanometer height adaptive system 7 respectively, and servo electrical machinery system 5 drives three-D displacement system 4, three-D displacement system 4 carries galvanometer height adaptive system 7 and solid state laser 2.Described servo electrical machinery system 5 comprises motion control card, servo motion system.Three-D displacement system 4 is X/Y/Z three-shaft displacement system, comprise X left benchmark zero point, X left deceleration point, X to the right benchmark zero point, X to the right deceleration point, Y-direction benchmark zero point etc. the parts such as sensor and dolly crossbeam, by servo motion system drive.Wherein Z axis is controlled by galvanometer height adaptive system 7.The X that dolly is moved to three-D displacement system 4 by the three-D displacement system 4 in the present invention is benchmark zero point, Y-direction benchmark zero point left.Instruction is sent to three-D displacement system 4 by computer 1, the dolly of three-D displacement system 4 at the uniform velocity moves right, computer 1 receives the actual position signal of dolly by position detecting system 6, and control galvanometer system 3 and solid state laser 2 carry out laser ablation in corresponding position.When retarded motion after moving of car to X to the right deceleration sensor, dolly rests in X benchmark zero point to the right.After three-D displacement system 4 crosshead displacement regular length (this length is determined by figure partitioning parameters), crossbeam keeps static, and dolly is uniform motion left, starts the etching of the second dividing layer.Move to X deceleration sensor deceleration left, dolly rests in X benchmark zero point to the right, after three-D displacement system 4 crosshead displacement regular length (this length is determined by figure partitioning parameters), crossbeam keeps static, dolly is uniform motion to the right, start the etching of the 3rd dividing layer, successively complete the etching of all dividing layers.The start and stop of galvanometer height adaptive system 7 are determined by graph data.Such machine system would not produce 6 kinds of intrinsic distortions of galvanometer in etching, ensures the meticulous etching of large format figure.Described X/Y/Z tri-axle three-D displacement system 4, XY direction is parallel to the ground, and Z-direction is perpendicular to the ground.
Further, above-mentioned solid state laser 2 can be optical fiber laser.
The present embodiment also provides a kind of control method of big width laser etching system, as shown in Figure 3, comprises the steps.
1) first the first dividing layer instruction starting to etch is sent to servo electrical machinery system 5 by computer 1, and servo electrical machinery system 5 drives three-D displacement system 4, dolly is moved to X axis left benchmark zero point.
2) servo electrical machinery system 5 drives the dolly in three-D displacement system 4 to move right along X axis.
3) computer 1 controls galvanometer system 3 and does Y direction particles.
4) position detecting system 6 is in real time to computer 1 delivering position data, controls solid state laser 2 etch after computer 1 receiving position data according to graph data; And confirm the start and stop of galvanometer height adaptive system 7.
5) when moving of car is to right deceleration sensor, dolly slows down and runs to X axis right benchmark and stops zero point, completes the etching of the first dividing layer.
6) computer 1 move instruction is to servo electrical machinery system 5, and servo electrical machinery system 5 drives the crossbeam in three-D displacement system 4 to move the distance of setting along Y direction, moves into place rear cross beam and keeps static.
7) the second dividing layer instruction starting to etch is sent to servo electrical machinery system 5 by computer 1.
8) servo electrical machinery system 5 drives the dolly in three-D displacement system 4 to be moved to the left.
9) computer 1 controls galvanometer system 3 along Y direction particles.
10) position detecting system 6 is in real time to computer 1 delivering position data, controls solid state laser 2 etch after computer 1 receiving position data according to graph data; And confirm the start and stop of galvanometer height adaptive system 7.
11) when moving of car is to left deceleration sensor, dolly slows down and runs to X axis left benchmark and stops zero point, completes the etching of the second dividing layer; Complete the etching of other dividing layers according to this.
As shown in Figure 4, the graph data of described computer 1 comprises the following steps.
1) big width laser etching figure be divided into the first dividing layer, the second dividing layer ..., N dividing layer.
2) the laser ablation data that each dividing layer is relevant to position are processed.
3) motor program of galvanometer system 3 at each dividing layer is determined.
4) the bright dipping program of solid state laser 2 at each dividing layer is determined.
5) determine that galvanometer height adaptive system 7 is opened and the control program stopped.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvement or distortion, these improve or distortion also should be considered as protection scope of the present invention.
Claims (4)
1. a big width laser etching system, is characterized in that comprising:
Computer, for controlling three-D displacement system, galvanometer system, the dividing processing of big width laser etched features;
Solid state laser, etches for big width laser;
Three-D displacement system, for support solid laser instrument, and realizes the movement of solid state laser along X-axis;
Position detecting system, for the current position of the real-time transfer bogie of computer;
Galvanometer system, the laser that solid state laser exports scans in Y direction by the pattern for follow procedure setting;
Galvanometer height adaptive system, for accurately controlling the height of galvanometer and workpiece;
Servo electrical machinery system, for drive displacement system;
Wherein, computer is connected with solid state laser, galvanometer system, servo electrical machinery system, position detecting system respectively, and servo electrical machinery system, position detecting system are connected with three-D displacement system.
2. a kind of big width laser etching system according to claim 2, is characterized in that: described solid state laser is optical fiber laser.
3. a control method for big width laser etching system, comprises the steps:
1) first the first dividing layer instruction starting to etch is sent to servo electrical machinery system by computer, and servo electrical machinery system drives three-D displacement system, dolly is moved to X axis left benchmark zero point;
2) servo electrical machinery system drives the dolly in three-D displacement system to move right along X axis;
3) computer controlled damping mirror system does Y direction particles;
4) position detecting system is in real time to computer delivering position data, controls solid state laser etch after computer receiving position data according to graph data; And confirm the start and stop of galvanometer height adaptive system;
5) when moving of car is to right deceleration sensor, dolly slows down and runs to X axis right benchmark and stops zero point, completes the etching of the first dividing layer;
6) computer move instruction is to servo electrical machinery system, and servo electrical machinery system drives the crossbeam in three-D displacement system to move the distance of setting along Y direction, moves into place rear cross beam and keeps static;
7) the second dividing layer instruction starting to etch is sent to servo electrical machinery system by computer;
8) servo electrical machinery system drives the dolly in three-D displacement system to be moved to the left;
9) computer controlled damping mirror system is along Y direction particles;
10) position detecting system is in real time to computer delivering position data, controls solid state laser etch after computer receiving position data according to graph data; And confirm the start and stop of galvanometer height adaptive system;
11) when moving of car is to left deceleration sensor, dolly slows down and runs to X axis left benchmark and stops zero point, completes the etching of the second dividing layer; Complete the etching of other dividing layers according to this.
4. the control method of a kind of big width laser etching system according to claim 3, is characterized in that: described graph data comprises the following steps,
1) big width laser etching figure be divided into the first dividing layer, the second dividing layer ..., N dividing layer;
2) the laser ablation data that each dividing layer is relevant to position are processed;
3) motor program of galvanometer system at each dividing layer is determined;
4) the bright dipping program of solid state laser at each dividing layer is determined;
5) determine that galvanometer height adaptive system is opened and the control program stopped.
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| CN101211993A (en) * | 2006-12-31 | 2008-07-02 | 李毅 | Big width laser marking solar cell |
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| US20110111576A1 (en) * | 2008-07-17 | 2011-05-12 | Hack Ruediger | Laser-scribing system for structuring substrates for thin layer solar modules |
| CN102193519A (en) * | 2011-04-12 | 2011-09-21 | 广东大族粤铭激光科技股份有限公司 | Laser power control method and system |
| CN103008886A (en) * | 2012-12-28 | 2013-04-03 | 江苏大学 | Self-adaptive laser shock welding method and device |
| CN103934569A (en) * | 2014-04-28 | 2014-07-23 | 南京先进激光技术研究院 | Layered slicing method based on selective laser sintering |
| CN104249219A (en) * | 2013-06-28 | 2014-12-31 | 韦黛瑛 | Large-area laser engraving method |
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2015
- 2015-08-07 CN CN201510479694.6A patent/CN105149791B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101211993A (en) * | 2006-12-31 | 2008-07-02 | 李毅 | Big width laser marking solar cell |
| US20110111576A1 (en) * | 2008-07-17 | 2011-05-12 | Hack Ruediger | Laser-scribing system for structuring substrates for thin layer solar modules |
| CN201728478U (en) * | 2010-03-19 | 2011-02-02 | 武汉华俄激光工程有限公司 | Large-amplitude solid laser cutting machine |
| CN102193519A (en) * | 2011-04-12 | 2011-09-21 | 广东大族粤铭激光科技股份有限公司 | Laser power control method and system |
| CN103008886A (en) * | 2012-12-28 | 2013-04-03 | 江苏大学 | Self-adaptive laser shock welding method and device |
| CN104249219A (en) * | 2013-06-28 | 2014-12-31 | 韦黛瑛 | Large-area laser engraving method |
| CN103934569A (en) * | 2014-04-28 | 2014-07-23 | 南京先进激光技术研究院 | Layered slicing method based on selective laser sintering |
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