CN104438230A - Industrial product laser cleaning system and control method thereof - Google Patents
Industrial product laser cleaning system and control method thereof Download PDFInfo
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- CN104438230A CN104438230A CN201410651527.0A CN201410651527A CN104438230A CN 104438230 A CN104438230 A CN 104438230A CN 201410651527 A CN201410651527 A CN 201410651527A CN 104438230 A CN104438230 A CN 104438230A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Optics & Photonics (AREA)
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Abstract
The invention discloses an industrial product laser cleaning system which comprises a cleaning target surface arranged in a sealing cover. The outer wall of the sealing cover is provided with an observation window and a laser incidence window. The industrial product laser cleaning system further comprises an industrial personal computer with a PCI control board card, a displayer, an electric device control box, a water cooling machine, a laser device and a five-dimensional control console. The first signal output end and the second signal output end of the industrial personal computer are connected with the signal input end of the displayer and the signal input end of the electric device control box respectively. The first signal output end, the second signal output end and the third signal output end of the electric device control box are connected with the signal input end of the water cooling machine, the signal input end of the laser device and the signal input end of the five-dimensional control console respectively. The signal output end of the five-dimensional control console is connected with the input end of the industrial personal computer. The water cooling machine is connected with the laser device through a pipeline. A light path box is arranged on the five-dimensional control console. The invention further discloses a control method of the industrial product laser cleaning system.
Description
Technical field
The invention belongs to industrial product cleaning field, be specifically related to a kind of industrial product laser cleaning system and control method thereof.
Background technology
Present cleaning technique is mainly used in the plating of industrial product, phosphatization, spraying, welding, packaging and integrated circuit assembling process, the dirts such as the grease on surface, dust, rust deposite and residual solvent, binding agent must be removed, to guarantee the quality of next procedure.Because environmental pollution and protection such as to be not good at the reason, the corrosion and stained just gradually of a large amount of historical relic and art treasures, what have is totally disrupted, it is necessary to dirt and the corrosion of taking measures to remove cultural artifact surface, recovers its former state.Traditional cleaning method comprises mechanical cleaning process, chemical cleaning method and ultrasonic cleaning process, although they are widely used in cleaning industry, under environmental protection and high-precision requirement, its application is very restricted.Mechanical means cannot meet high cleanliness cleaning requirement, and chemical cleaning method easily causes environmental pollution, and the cleannes of acquisition are also very limited; Particularly when dirt composition is complicated, multiple cleaning agent must be selected repeatedly to clean the requirement that just may meet surface cleanness.Although ultrasonic cleaning process cleaning performance is pretty good, helpless to the cleaning of the dirty grain of submicron order, the size of rinse bath limits scope and the complexity of processing parts, and is also a great problem to the drying of workpiece after cleaning.Laser cleaning technique is the Novel washing technology that develop rapidly is nearly ten years got up, it because of self many advantages in a lot of fields in just progressively replace conventional cleaning process.It can adapt to the cleaning of various surface contaminants, and environmental pollution is minimum, also can accomplish not damaging substrate.Current the method has become supplementing of Conventional cleaning methods and has extended, and illustrates wide application prospect because of its intrinsic many advantage.
The method of laser cleaning generally has four kinds:
1) laser dry cleaning process, namely adopts the direct radiation decontamination of pulse laser;
2) first the method for laser+liquid film, namely deposit one deck liquid film in matrix surface, then with laser, liquid film blasted decontamination;
3) method of laser+inert gas, namely while laser emission, blows to surface of the work with inert gas, when dirt is after sur-face peeling, just to be blown off far away surface by gas, avoids clean surface again pollute and be oxidized;
4) after making dirt loose with laser, then with noncorrosive chemical method decontamination.
At present mainly in the industrial production adopt 3 kinds of cleaning methods above, wherein laser dry cleaning process and laser+liquid film cleaning method with the most use, the 4th kind of method is usually used in the cleaning protection of the art work.
Conventional cleaning methods has following inconvenience and shortcoming:
A) mechanical means cannot meet high cleanliness cleaning requirement.
B) chemical cleaning method easily causes environmental pollution, and the cleannes of acquisition are also very limited.
C) be when dirt composition is complicated, multiple cleaning agent must be selected repeatedly to clean the requirement that just may meet surface cleanness.
D) inconvenient, step is various; If when cleaning certain cleaning surface inside seal closure, mechanical cleaning method and chemical cleaning method then cannot directly meet, cleaning after exterior part must be unloaded, could be started.
E) cannot selectively clean, the different range of effects on surface cleaning cannot accurately control, and does not reach desirable cleaning performance.
F) traditional cleaning method is all contact cleaning, if misoperation or wrong, can damage or object pollution to operating personnel.
G) scavenging period is long, and cleaning human users's time is long, easy sleepy fatigue.
H) surface clean effect and current cleaning positions cannot be observed intuitively.
I) be difficult to wash to the pollutant of minimum (um level).
J) before cleaning, preparation is many, and need labour cost, fee of material etc., cost is high.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, provides a kind of industrial product laser cleaning system and control method thereof, can automatically complete whole cleaning process, and cleaning performance is better after setting each parameter.
The technical solution adopted in the present invention is: a kind of industrial product laser cleaning system, comprise the cleaning target surface be arranged in seal closure, described seal closure outer wall is provided with observation window and laser incidence window, also comprise the industrial computer with PCI Control card, display, electric appliance control box, water cooling unit, laser instrument and five dimension consoles, first signal output part of described industrial computer is connected with the signal input part of display and electric appliance control box respectively with secondary signal output, first signal output part of described electric appliance control box, secondary signal output and the 3rd signal output part respectively with water cooling unit, laser instrument is connected with the signal input part of five dimension consoles, the described five dimension signal output parts of console are connected with the signal input part of industrial computer, described water cooling unit is connected with laser instrument by pipeline, described five dimension consoles are provided with light path case, a described light path case wherein side is provided with flat field mirror near the position at top, the side that light path case is relative with flat field mirror is provided with beam expanding lens near the position of bottom, the Laser emission mouth of described beam expanding lens and laser instrument be arranged in parallel, the inner position corresponding with beam expanding lens of described light path case is provided with the one 45 degree of total reflective mirror, described light path case inside is provided with the 2 45 degree of total reflective mirror with the one 45 degree of position that total reflective mirror is corresponding, the light-emitting window of described flat field mirror and the laser incidence window of airtight container are symmetrical arranged, described laser instrument emission port is provided with CCD, the secondary signal input that the signal output part and five of described CCD ties up console is connected.
As preferably, be also provided with coaxial ruddiness indicator in described light path case, described coaxial ruddiness indicator is connected with electric appliance control box.
As preferably, described beam expanding lens and light path case are slidably connected.
As preferably, described one 45 degree of total reflective mirror and the 2 45 degree of total reflective mirror shape, consistent size.
As preferably, be also provided with inner housing in described light path case, described 2 45 degree of total reflective mirror is arranged in inner housing.
For solving appeal problem, the invention also discloses a kind of control method of industrial product laser cleaning system, comprising the following steps:
A, start up system, as carried out analog demenstration, enter step b, if do not needed to carry out analog demenstration, enters step c;
B, analog demenstration;
C, input trim locations, fine setting coordinate, enters steps d;
D, starting point coordinate and terminal point coordinate are set, enter step e;
E, laser frequency, number of repetition and spot size are set, enter step f;
F, first time cleaning starting point coordinate and terminal point coordinate is set, cleans as needs carry out second time, enter step g, carry out second time if do not needed and clean, enter step I;
G, second time cleaning starting point coordinate and terminal point coordinate is set, enters step h;
Whether the position of h, the cleaning of observation second time is first time unwashed gap, if so, enters step I, if not, enter step g;
I, start cleaning, as midway need stop cleaning, enter step j, as midway do not need stop cleaning, enter step k;
J, stopping cleaning;
K, to clean.
Beneficial effect of the present invention is:
(1), in cleaning process, uniformity, repeatability are very high.Namely cleaning positions is accurate, precision is high, effective.
(2) distance between beam expanding lens and galvanometer can adjust up and down, and handled easily personnel are without the need to using great strength to raise or reduce the riding position of laser instrument, and the vertical range that only need adjust beam expanding lens and galvanometer list just can.
(3) spot size can change arbitrarily according to user's specified scope.
(4) automatically automatically perform twice diverse location cleaning, can ensure that cleaning surface is clean, smooth, there will not be the phenomenon of hot spot gap less cleaning.
(5) ruddiness and laser coaxial, available ruddiness analog demenstration cleaning process.
(6) whole cleaning process is that equipment completes automatically, and operating personnel can arrive outdoor, avoid laser emission to damage human body.
(7) observe cleaning performance by CCD, if also do not reach cleaning performance, again can start cleaning process, until reach cleaning performance.
(8) by after CCD amplifying observation, fine-tuning clean range, precision can arrive micron order.
(9) clean range user can be arranged voluntarily, and randomness is very strong.
(10) easy to clean, whole cleaning process is all non-contact type cleaning.
(11) light path debugging is simple, aims at the center of cleaning target surface after only needing laser beam expanding after incidence of being all-trans, and arranging clean range only needs to arrange in 4 picture limits of central point.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is light path schematic diagram of the present invention;
Fig. 3 is control method flow chart of the present invention.
In figure: 1, industrial computer; 2, display; 3, electric appliance control box; 4, water cooling unit; 5, laser instrument; 6, five dimension consoles; 7, light path case; 8, flat field mirror; 9, beam expanding lens; 10, the one 45 degree of total reflective mirror; 11, the 2 45 degree of total reflective mirror; 12, seal closure; 13, observation window; 14, laser incidence window.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the specific embodiments the present invention is described in further detail.
As depicted in figs. 1 and 2, a kind of industrial product laser cleaning system, comprise the cleaning target surface be arranged in seal closure 12, described seal closure 12 outer wall is provided with observation window 13 and laser incidence window 14, also comprise the industrial computer 1 with PCI Control card, display 2, electric appliance control box 3, water cooling unit 4, laser instrument 5 and five dimension consoles 6, first signal output part of described industrial computer 1 is connected with the signal input part of display 2 and electric appliance control box 3 respectively with secondary signal output, first signal output part of described electric appliance control box 3, secondary signal output and the 3rd signal output part respectively with water cooling unit 4, laser instrument 5 is connected with the signal input part of five dimension consoles 6, the signal output part of described five dimension consoles 6 is connected with the signal input part of industrial computer 1, described water cooling unit 4 is connected with laser instrument 5 by pipeline, described five dimension consoles 6 are provided with light path case 7, a described light path case 7 wherein side is provided with flat field mirror 8 near the position at top, the side that light path case 7 is relative with flat field mirror 8 is provided with beam expanding lens 9 near the position of bottom, described beam expanding lens 9 be arranged in parallel with the Laser emission mouth of laser instrument 5, the inner position corresponding with beam expanding lens 9 of described light path case 7 is provided with the one 45 degree of total reflective mirror 10, described light path case 7 inside is provided with the 2 45 degree of total reflective mirror 11 with the one 45 degree of position that total reflective mirror 10 is corresponding, the light-emitting window of described flat field mirror 8 and the laser incidence window 14 of airtight container are symmetrical arranged, described laser instrument 5 emission port is provided with CCD, the secondary signal input that the signal output part and five of described CCD ties up console 6 is connected.
As preferably, be also provided with coaxial ruddiness indicator in described light path case 7, described coaxial ruddiness indicator is connected with electric appliance control box 3.
As preferably, described beam expanding lens 9 is slidably connected with light path case 7.
As preferably, described one 45 degree of total reflective mirror 10 and the 2 45 degree of total reflective mirror 11 shape, consistent size.
As preferably, be also provided with inner housing in described light path case 7, described 2 45 degree of total reflective mirror 11 is arranged in inner housing.
In whole system, cleaning X-axis forms plane at work with cleaning Y-axis, is XY galvanometer.CCD and laser coaxial, photograph present laser cleaning performance, also after laser cleaning completes, can observe the effect in Integral cleaning face by CCD step-scan mode.
During work, first send signal to electric appliance control box 3 by industrial computer 1 in hardware part, after being expanded by beam expanding lens 9 by instruction issue laser, laser by electric appliance control box 3 drive laser 5 again through twice 45 degree be all-trans, incide on galvanometer XY eyeglass, galvanometer goes out laser according to the movement locus of the coordinate points in software again and cleans, after entrance aperture, laser spot is about laser target surface.Because laser target surface is endways, laser needs glancing incidence, and vertical or laterally cleaning.
In cleaning process, laser instrument 5 Emission Lasers has internal control triggering and external control to trigger two kinds of patterns, internal control pattern is laser instrument 5 from trigger mode, by software design patterns frequency, energy, go out Lase times, some number of repetition, some gap size carry out laser and by step-length moving step pitch, until point and scope have been cleaned, do not interfere by extraneous control signal.And external control triggering needs to receive the external world to after the order of laser instrument 5 Emission Lasers, laser instrument 5 just goes out laser by instruction, and moves to next one position to be cleaned, waits for the order of next Emission Lasers.External control triggering signal is sent by on-the-spot laser cleaning target surface, is received, after software collection, then sent out the order of laser to PCI board by software, be sent to laser instrument 5 by electric appliance box by level signal by the PCI Control card of industrial computer 1.
On electric appliance control box 3, three red button are power supply, laser, ruddiness, power supply is pressed as opening equipment general supply and powering, it is power-off after upspringing, laser presses rear can carry out control Emission Lasers with software, and ruddiness button goes out ruddiness after pressing, visible, after having pressed, ruddiness is closed, and cannot see ruddiness.
As shown in Figure 3, the invention also discloses a kind of control method of industrial product laser cleaning system, comprise the following steps:
Step S101, start up system, as carried out analog demenstration, enter step S102, if do not needed to carry out analog demenstration, enters step S103;
Step S102, analog demenstration;
Step S103, input trim locations, fine setting coordinate, enters step S104;
Step S104, starting point coordinate and terminal point coordinate are set, enter step S105;
Step S105, laser frequency, number of repetition and spot size are set, enter step S106;
Step S106, first time cleaning starting point coordinate and terminal point coordinate is set, cleans as needs carry out second time, enter step S107, carry out second time if do not needed and clean, enter step S109;
Step S107, second time cleaning starting point coordinate and terminal point coordinate is set, enters step S108;
Whether the position of step S108, the cleaning of observation second time is first time unwashed gap, if so, enters step S109, if not, enter step S107;
Step S109, start cleaning, as midway need stop cleaning, enter step S110, as midway do not need stop cleaning, enter step S111;
Step S110, stopping cleaning;
Step S111, to clean.
During work, set laser parameter, laser frequency (1 ~ 30HZ), point number of repetition, spot size (3 ~ 5mm), as above the hot spot coordinate that red hot spot is first time cleaning is schemed, blueness is the hot spot coordinate of second time cleaning, visible according to upper figure, first time cleaning hot spot has 10*10=100, second time cleaning hot spot has 9*9=81, according to the position of coordinate points, select when trigger mode, 5, laser instrument is according to the frequency of pressing 10HZ, point is spaced apart 2R=2*2.5=5mm, the diameter being a hot spot goes out moving step length after laser automatically, until after having cleaned for the first time, clean successively by secondary cleaning point coordinates again, until cleaned.Second time cleaning is the gap that hot spot does not for the first time clean to.Also can only cleaning once, be about to second time cleaning and cancel.In cleaning process, cleaning can be stopped at any time.External trigger mode is external control pattern, the feedback command of target surface end to be cleaned such as to need, after receiving out laser order, can go out a laser, and the step-length of a mobile point, then wait for out the order of laser.
In clean range fine setting parameter, have four, upper and lower, left and right trim button, in the input frame of centre, input needs the distance of fine setting, unit mm, press button up and down, namely carry out mobile laser position by transmission range, whole process can indicate with ruddiness.After position is adjusted, this position can be set to starting point, namely click [starting point is set] button, software systems start of record coordinate.Also can be set to final position, namely click [terminal is set] button, software systems record terminal point coordinate.
A) sweep limits: the maximum scan scope that vibration mirror scanning angle determines is 200X200mm, and the area of actual scanning is determined by target surface size.
B) field lens focal length: 500mm
C) adjustable focus (manually)
D) scanning area is a target sheet vertically placed, so emergent light should penetrate in the horizontal direction
E) scanning step (spacing of scanning element): be greater than 3mm, be less than 5mm, scanning step is adjustable, and total distance can not be greater than 40mm
F) scan mode: step-by-step movement
G) scan frequency: 1-30Hz
H) scanning times (laser instrument 5 goes out backscatter extinction logarithmic ratio): can arrange arbitrarily
I) working method:
1) stepwise motion: after completing the scanning of a point, moves to preposition on target sheet by laser focal spot, and is staticly parked in this position, waits for next laser pulse, so repeatedly completes whole scanning process.
2) Starting mode: external trigger control.Master control room sends triggering signal (only having), after this triggering signal postpones by delayed-pulse generator, give scanning system control device, this control device sends triggering signal (triggering signal number equals scanning times) by the scanning times preset and time step, this triggering signal gives laser instrument 5 and scanning galvanometer, often send a triggering signal, laser instrument 5 exports a laser pulse, scanning system is moved by predetermined step-length and is moved a step, and be staticly parked in this position, wait for next trigger impulse.After second triggering signal sends, repeat aforesaid process.So repeatedly, whole scanning process is completed.
J) laser instrument 5 parameter:
1) output wavelength: 1064nm, 532nm(join visible pilot light)
2) energy is exported: 2J@1064nm, adjustable range: 0.8-2J
3) pulse width: 10ns ± 2ns
4) repetition rate: 30Hz, adjustable range: 1-30Hz
5) control mode: internal trigger and external trigger.
Claims (6)
1. an industrial product laser cleaning system, comprise the cleaning target surface be arranged in seal closure, described seal closure outer wall is provided with observation window and laser incidence window, it is characterized in that: also comprise the industrial computer with PCI Control card, display, electric appliance control box, water cooling unit, laser instrument and five dimension consoles, first signal output part of described industrial computer is connected with the signal input part of display and electric appliance control box respectively with secondary signal output, first signal output part of described electric appliance control box, secondary signal output and the 3rd signal output part respectively with water cooling unit, laser instrument is connected with the signal input part of five dimension consoles, the described five dimension signal output parts of console are connected with the signal input part of industrial computer, described water cooling unit is connected with laser instrument by pipeline, described five dimension consoles are provided with light path case, a described light path case wherein side is provided with flat field mirror near the position at top, the side that light path case is relative with flat field mirror is provided with beam expanding lens near the position of bottom, the Laser emission mouth of described beam expanding lens and laser instrument be arranged in parallel, the inner position corresponding with beam expanding lens of described light path case is provided with the one 45 degree of total reflective mirror, described light path case inside is provided with the 2 45 degree of total reflective mirror with the one 45 degree of position that total reflective mirror is corresponding, the light-emitting window of described flat field mirror and the laser incidence window of airtight container are symmetrical arranged, described laser instrument emission port is provided with CCD, the secondary signal input that the signal output part and five of described CCD ties up console is connected.
2. industrial product laser cleaning system according to claim 1, is characterized in that: be also provided with coaxial ruddiness indicator in described light path case, and described coaxial ruddiness indicator is connected with electric appliance control box.
3. industrial product laser cleaning system according to claim 1 and 2, is characterized in that: described beam expanding lens and light path case are slidably connected.
4. industrial product laser cleaning system according to claim 1 and 2, is characterized in that: described one 45 degree of total reflective mirror and the 2 45 degree of total reflective mirror shape, consistent size.
5. industrial product laser cleaning system according to claim 1 and 2, is characterized in that: be also provided with inner housing in described light path case, and described 2 45 degree of total reflective mirror is arranged in inner housing.
6. a control method for industrial product laser cleaning system as claimed in claim 1, is characterized in that, comprise the following steps:
A, start up system, as carried out analog demenstration, enter step b, if do not needed to carry out analog demenstration, enters step c;
B, analog demenstration;
C, input trim locations, fine setting coordinate, enters steps d;
D, starting point coordinate and terminal point coordinate are set, enter step e;
E, laser frequency, number of repetition and spot size are set, enter step f;
F, first time cleaning starting point coordinate and terminal point coordinate is set, cleans as needs carry out second time, enter step g, carry out second time if do not needed and clean, enter step I;
G, second time cleaning starting point coordinate and terminal point coordinate is set, enters step h;
Whether the position of h, the cleaning of observation second time is first time unwashed gap, if so, enters step I, if not, enter step g;
I, start cleaning, as midway need stop cleaning, enter step j, as midway do not need stop cleaning, enter step k;
J, stopping cleaning;
K, to clean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410651527.0A CN104438230A (en) | 2014-11-17 | 2014-11-17 | Industrial product laser cleaning system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410651527.0A CN104438230A (en) | 2014-11-17 | 2014-11-17 | Industrial product laser cleaning system and control method thereof |
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| CN104438230A true CN104438230A (en) | 2015-03-25 |
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| CN201410651527.0A Pending CN104438230A (en) | 2014-11-17 | 2014-11-17 | Industrial product laser cleaning system and control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106826404A (en) * | 2016-12-19 | 2017-06-13 | 中国石油天然气股份有限公司 | The polishing method and device of a kind of rock sample |
| CN109047184A (en) * | 2018-08-21 | 2018-12-21 | 华南理工大学 | A kind of laser cleaning device and method suitable for revolving body inside and outside wall |
| CN109866531A (en) * | 2019-02-26 | 2019-06-11 | 王程豪 | A kind of erasing apparatus of chalk writing and application |
| CN112058809A (en) * | 2020-09-04 | 2020-12-11 | 深圳市汇泽激光科技有限公司 | Device and method for cleaning tire by laser |
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| CN109866531A (en) * | 2019-02-26 | 2019-06-11 | 王程豪 | A kind of erasing apparatus of chalk writing and application |
| CN112058809A (en) * | 2020-09-04 | 2020-12-11 | 深圳市汇泽激光科技有限公司 | Device and method for cleaning tire by laser |
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Application publication date: 20150325 |