CN113798686A - Laser marking method and device applied to aluminum product - Google Patents
Laser marking method and device applied to aluminum product Download PDFInfo
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- CN113798686A CN113798686A CN202110973254.1A CN202110973254A CN113798686A CN 113798686 A CN113798686 A CN 113798686A CN 202110973254 A CN202110973254 A CN 202110973254A CN 113798686 A CN113798686 A CN 113798686A
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 164
- 238000010330 laser marking Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 63
- 238000001179 sorption measurement Methods 0.000 claims description 26
- 239000004411 aluminium Substances 0.000 claims description 17
- 238000004590 computer program Methods 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 238000005498 polishing Methods 0.000 abstract description 14
- 239000000243 solution Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000010407 anodic oxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- 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
- B23K26/362—Laser etching
-
- 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
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
-
- 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
- B23K26/60—Preliminary treatment
-
- 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
- B23K26/702—Auxiliary equipment
- B23K26/703—Cooling arrangements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a laser marking method and a laser marking device applied to an aluminum product, wherein the laser marking method applied to the aluminum product comprises the following steps: obtaining the marking pattern and the surface state of the aluminum product; adjusting the height of the lifting platform according to the focal length of the focusing lens so as to enable the focal point of the focusing lens to be distributed on the surface of the aluminum product; under the condition that the surface state of the aluminum product meets the marking condition, determining a first scanning area of laser on the surface of the aluminum product according to the shape of the marking pattern; according to the first scanning area, the laser is controlled to output continuous laser with first laser power, and the laser galvanometer is controlled to execute moving scanning at a first scanning speed. The invention can directly form marking patterns on the surface of the aluminum product, ensures that the surface of the marking patterns achieves better polishing effect, has simple and convenient operation and high control precision, can complete the laser marking of the marking patterns with different requirements, and has strong universality.
Description
Technical Field
The invention relates to the technical field of laser process application, in particular to a laser marking method and device applied to aluminum products.
Background
At present, in the marking treatment of the traditional aluminum product, the surface of the material is mainly etched by high energy of laser, so that a silver white aluminum substrate leaks out of the surface of the aluminum product, or the surface material of the aluminum product is vaporized or undergoes a chemical reaction with color change, so as to form a permanent mark.
However, the conventional aluminum product has a poor laser marking effect, and it is difficult to form a polished surface on the marking mark. Although the aluminum product can be polished by the traditional polishing methods such as mechanical polishing, chemical polishing, electrolytic polishing and the like, the traditional polishing methods have the problems of low polishing efficiency, difficult control of polishing precision and poor universality, and are particularly difficult to be applied to the polishing treatment of the surface of a tiny mark.
Disclosure of Invention
The invention provides a laser marking method and device applied to an aluminum product, which are used for solving the problems that the existing aluminum product is poor in laser marking effect and a polished surface is difficult to form on a marking mark.
The invention provides a laser marking method applied to an aluminum product, which comprises the step of marking the aluminum product by adopting a laser marking device, wherein the laser marking device comprises a lifting platform, a laser vibrating mirror and a focusing lens, which are sequentially arranged along a light emitting direction, and the method comprises the following steps: obtaining the marking pattern and the surface state of the aluminum product; adjusting the height of the lifting platform according to the focal length of the focusing lens so that the focal point of the focusing lens is distributed on the surface of the aluminum product; under the condition that the surface state of the aluminum product meets marking conditions, determining a first scanning area of laser on the surface of the aluminum product according to the shape of the marking pattern; controlling the laser to output continuous laser with first laser power according to the first scanning area, and controlling the laser galvanometer to execute moving scanning at a first scanning speed; wherein the first laser power is 100-.
According to the laser marking method applied to the aluminum product, provided by the invention, the first laser power is 120-160W; the first scanning speed is 1200-1800 mm/s; and the laser galvanometer executes unidirectional scanning at the first scanning speed, and the scanning times of the unidirectional scanning are 1-2 times.
According to the laser marking method applied to the aluminum product, under the condition that the marking pattern is a plane pattern, the light emitting control of the laser is executed according to the first laser power, and the scanning control of the laser galvanometer is executed according to the first scanning speed; and under the condition that the marking pattern is a three-dimensional pattern, carrying out light emitting control on the laser according to the first laser power and carrying out scanning control on the laser galvanometer according to the first scanning speed, and simultaneously carrying out lifting control on the lifting platform according to the shape of the three-dimensional pattern.
According to the laser marking method applied to the aluminum product provided by the invention, after the focus of the focusing lens is distributed on the surface of the aluminum product, the method further comprises the following steps: in the case that the surface state of the aluminum product does not satisfy the marking condition, performing a cleaning step of the surface of the aluminum product: determining a second scanning area of the laser on the surface of the aluminum product according to the envelope curve of the marking pattern; controlling the laser to output pulse laser with second laser power according to the second scanning area, and controlling the laser galvanometer to execute moving scanning at a second scanning speed so as to form a marking surface meeting marking conditions in the second scanning area; accordingly, the method further comprises: performing a marking step of the marking pattern on the marking surface; wherein the second laser power is 10-200W; the pulse width of the pulse laser is 10-600ns, and the frequency is 200-4000 kHz; the second scanning speed is 1000-6000 mm/s.
According to the laser marking method applied to the aluminum product, the second laser power is 10-50W; the pulse width of the pulse laser is 20-350ns, and the frequency is 200-3000 kHz; the second scanning speed is 3000-5000 mm/s; and the laser galvanometer executes unidirectional cross scanning at a second scanning speed, wherein the scanning times of the unidirectional cross scanning are 1-3.
According to the laser marking method applied to the aluminum product, the condition that the surface state of the aluminum product does not meet the marking condition comprises the following steps: the surface roughness of the aluminum product is larger than a preset value, the surface of the aluminum product is provided with a paint coating, and the surface of the aluminum product is provided with an oxide layer.
According to the laser marking method applied to the aluminum product, in the process of performing laser marking on the surface of the aluminum product, the method further comprises the following steps: starting a vacuum pump and a cooling water pump; wherein a negative pressure adsorption platform is arranged on the lifting platform; the aluminum product is placed on the negative pressure adsorption platform and is close to the adsorption hole on the negative pressure adsorption platform; a cooling structure is arranged in the negative pressure adsorption platform; the adsorption hole is communicated with the vacuum pump, and the cooling structure is communicated with the cooling water pump; or after the laser marking is finished on the aluminum product, the method further comprises the following steps: and starting the injection device, and controlling the compressed air output by the injection device so as to purge the marked position on the aluminum product.
The invention also provides a laser marking device applied to the aluminum product, which comprises: adopt laser marking device to beat mark to aluminium product, laser marking device includes lift platform and follows laser, the laser mirror that shakes and the focusing lens that the light-emitting direction set gradually, the device includes: the acquisition module is used for acquiring the marking pattern and the surface state of the aluminum product; the adjusting module is used for adjusting the height of the lifting platform according to the focal length of the focusing lens so as to enable the focal point of the focusing lens to be distributed on the surface of the aluminum product; the determining module is used for determining a first scanning area of the laser on the surface of the aluminum product according to the shape of the marking pattern under the condition that the surface state of the aluminum product meets the marking condition; the control module is used for controlling the laser to output continuous laser with first laser power according to the first scanning area and controlling the laser galvanometer to execute moving scanning at a first scanning speed; wherein the first laser power is 100-.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps of any one of the laser marking methods applied to the aluminum product.
The present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of any of the above-described methods for laser marking of aluminum articles.
According to the laser marking method and device applied to the aluminum product, after the focus of the focusing lens on the laser marking device is controlled to be distributed on the surface of the aluminum product, the aluminum product meeting the marking condition can be subjected to laser marking according to the first scanning area determined by the marking pattern, in the marking process, the material attribute of the aluminum product is fully considered, the continuous laser with the first laser power is output by controlling the laser, and the laser galvanometer is controlled to execute moving scanning at the first scanning speed, so that the marking pattern can be directly formed on the surface of the aluminum product, the surface of the marking pattern can achieve a good polishing effect, the operation is simple and convenient, the control precision is high, the laser marking of the marking patterns with different requirements can be completed, and the universality is strong.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a laser marking method applied to an aluminum product provided by the present invention;
FIG. 2 is a schematic structural diagram of a laser marking apparatus provided in the present invention;
FIG. 3 is a schematic structural view of a negative pressure adsorption platform provided by the present invention;
FIG. 4 is a diagram illustrating the effect of marking on the surface of an aluminum alloy model 5A06 by the laser marking method applied to an aluminum product according to the present invention;
FIG. 5 is a diagram illustrating the effect of eliminating an anodized layer from the surface of an aluminum article by a laser marking method applied to the aluminum article according to the present invention;
FIG. 6 is a diagram illustrating the effect of the present invention on the marking surface of the aluminum product shown in FIG. 5;
FIG. 7 is a schematic structural diagram of a laser marking apparatus applied to an aluminum product according to the present invention;
fig. 8 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The laser marking method and device applied to the aluminum product of the present invention will be described with reference to fig. 1 to 8.
As shown in fig. 1 and fig. 2, the present embodiment provides a laser marking method applied to an aluminum product, including: and marking the aluminum product by adopting a laser marking device. The laser marking device shown in this embodiment includes a lifting platform 4, and a laser 1, a laser galvanometer 2, and a focusing lens 3 that are sequentially arranged along a light emitting direction.
Specifically, the laser 1 shown in this embodiment includes a laser pump 11 and a beam expander 12; the laser galvanometer 2 shown in this embodiment has a first scanning mirror that scans the laser beam along the X-axis direction and a second scanning mirror that scans the laser beam along the Y-axis direction, which is perpendicular to the Y-axis direction. Here, the laser that the laser pump 11 shown in this embodiment sent is carried to laser galvanometer 2 after the beam expanding of beam expander 12 is handled, and laser galvanometer 2 carries to focusing lens 3 after carrying out the scanning of X axle direction and/or Y axle direction to the laser after the beam expanding, and focusing lens 3 carries the laser that passes through the focusing to the aluminium product of placing on lift platform 4 to the realization carries out laser marking to the surface of aluminium product.
Further, based on the laser marking device, the method of the embodiment includes:
and step 110, obtaining the marking pattern and the surface state of the aluminum product.
And step 120, adjusting the height of the lifting platform according to the focal length of the focusing lens so as to enable the focal point of the focusing lens to be distributed on the surface of the aluminum product.
And step 130, under the condition that the surface state of the aluminum product meets the marking condition, determining a first scanning area of the laser on the surface of the aluminum product according to the shape of the marking pattern.
Specifically, this embodiment distributes in the surperficial back of aluminium products through the focus of controlling focusing lens on the laser marking device, can be according to the first scanning region of marking pattern affirmation, carry out laser marking to the aluminium products that satisfy the mark condition, at the in-process of marking, the material attribute of aluminium products is fully considered, through the continuous laser of the first laser power of control laser output, and control laser galvanometer carries out the removal scanning with first scanning speed, can directly form on the surface of aluminium products and mark the pattern, ensure to mark the surface of mark pattern and reach better polishing effect, not only easy operation is convenient, the control accuracy is high, and can accomplish the laser marking of the mark pattern of different demands, therefore, the commonality is strong.
It should be noted that the marking pattern shown in the present embodiment may be a square, a circle, a triangle or other patterns corresponding to the trademark of the manufacturer.
In contrast, in the present embodiment, when the marking pattern is a planar pattern, the light emission control of the laser is performed at the first laser power, and the scanning control of the laser galvanometer is performed at the first scanning speed; under the condition that the marking pattern is a three-dimensional pattern, the lifting control of the lifting platform is executed according to the shape of the three-dimensional pattern while the light emitting control of a laser is executed according to the first laser power and the scanning control of a laser galvanometer is executed according to the first scanning speed, so that the laser marking of the three-dimensional pattern is realized, and the polishing degree of the surface of the pattern formed by marking is ensured.
In order to further ensure the surface polishing effect of the marking pattern formed by laser marking, the first laser power shown in the present embodiment is preferably 120-160W, for example, the first laser power may be specifically 120W, 135W, 150W or 160W; the first scanning speed shown in the present embodiment is preferably 1200-1800mm/s, for example, the first scanning speed may be specifically 1200mm/s, 1300mm/s, 1500mm/s or 1800 mm/s; the laser galvanometer shown in this embodiment preferably performs unidirectional scanning at the first scanning speed, the number of times of the unidirectional scanning being 1 or 2.
As shown in fig. 4, when the aluminum product is selected as the aluminum alloy of type 5a06, the present embodiment uses the method shown in the above embodiment to laser scan a square mark having a size of 10mm × 10mm on the surface of the aluminum alloy, the square mark having a bright polished surface. When the laser marking is performed on the aluminum alloy, the focal length of the focusing lens is set to 210mm, the laser is operated in the continuous mode, continuous laser is output, and the laser power is set to 160W.
Meanwhile, when the laser galvanometer shown in the embodiment executes unidirectional scanning, the scanning speed is 1200mm/s, and the scanning times are 2 times. Here, the unidirectional scanning in the present embodiment may be understood as that, when the laser is subjected to laser marking, the present embodiment controls the continuous laser beam to scan the first scanning area along the X-axis direction or along the Y-axis direction by the laser galvanometer.
Further, this embodiment further includes, after the focal point of the focusing lens is distributed on the surface of the aluminum product: in the case that the surface state of the aluminum product does not satisfy the marking condition, performing a cleaning step on the surface of the aluminum product as follows:
determining a second scanning area of the laser on the surface of the aluminum product according to the envelope curve of the marking pattern; controlling the laser to output pulse laser with second laser power according to the second scanning area, and controlling the laser galvanometer to execute moving scanning at a second scanning speed so as to form a marking surface meeting marking conditions in the second scanning area; correspondingly, the method shown in this embodiment further includes: performing a marking step of a marking pattern on the marking surface; wherein the second laser power is 10-200W; the pulse width of the pulse laser is 10-600ns, and the frequency is 200-4000 kHz; the second scanning speed is 1000-6000 mm/s.
Specifically, the case where the surface state of the aluminum product shown in the present embodiment does not satisfy the marking condition includes: the surface roughness of the aluminum product is larger than a preset value, the surface of the aluminum product is provided with a paint coating, and the surface of the aluminum product is provided with an oxide layer. Therefore, when the surface state of the aluminum product does not meet the marking condition, the surface of the aluminum product is cleaned, and the direct laser marking of the aluminum product under the condition that the marking condition is not met can be avoided, so that the laser marking quality is ensured.
Here, since the second scanning region shown in this embodiment is determined by the envelope of the marking pattern, the first scanning region is distributed within the range defined by the second scanning region, and the area defined by the second scanning region shown in this embodiment is greater than or equal to the area defined by the envelope of the marking pattern.
Further, the second laser power shown in the present embodiment is preferably 10-50W, for example, the second laser power may be 10W, 15W, 20W, 25W, 30W or 50W.
Meanwhile, the pulse width of the pulse laser shown in this embodiment is preferably 20-350ns, and the frequency is preferably 200-3000kHz, for example, the pulse width of the pulse laser is 20ns and the frequency is 3000kHz, or the pulse width of the pulse laser is 50ns and the frequency is 2000kHz, or the pulse width of the pulse laser is 100ns and the frequency is 1000kHz, or the pulse width of the pulse laser is 150ns and the frequency is 200kHz, or the pulse width of the pulse laser is 200ns and the frequency is 1000kHz, or the pulse width of the pulse laser is 350ns and the frequency is 400 kHz.
In addition, the second scanning speed shown in the embodiment is preferably 3000-5000mm/s, for example, the second scanning speed can be 3000mm/s, 3500mm/s, 4000mm/s, 4500mm/s, 5000 mm/s.
Meanwhile, in order to ensure the cleaning effect on the surface of the aluminum product, the laser galvanometer shown in the embodiment preferably performs unidirectional cross scanning at the second scanning speed, and the number of times of scanning of the unidirectional cross scanning may be set to 1 to 3 times. Here, the unidirectional cross scanning in the embodiment may be understood as that, when the surface of the aluminum product is cleaned, the pulsed laser is controlled by the laser galvanometer to complete one scan of the second scanning area along the X-axis direction, and then the pulsed laser is controlled to complete one scan of the second scanning area along the Y-axis direction.
Fig. 5 is an effect diagram of the embodiment after the anodized layer is removed from the surface of the aluminum product by using the laser marking method. In the case where the surface of the aluminum product has an anodized layer, the laser marking process cannot be directly performed on the surface of the aluminum product. Here, in this embodiment, the focal length of the focusing field lens is set to 210mm, the laser is set to a pulse mode, the power is set to 15W, the pulse width of the pulse laser is set to 20ns, the frequency of the pulse laser is set to 3000kHz, the second scanning speed is 3000mm/s, the scanning frequency is 1 time, and a unidirectional cross scanning mode is adopted to prepare a surface removal pattern with a size of 10mm × 10mm under laser scanning processing, so as to remove an anodic oxidation layer on the surface of an aluminum product.
Fig. 6 is a marking pattern obtained by further performing laser marking on the aluminum product based on the removed pattern of fig. 5. During actual treatment, the position of the aluminum product subjected to the removing treatment is kept unchanged, the focal length of a focusing field lens is set to 210mm, a laser is set to be in a continuous mode, the first laser power is controlled to be 160W, the first scanning speed is 1200mm/s, the scanning times are 2 times, a laser galvanometer is controlled to adopt a one-way scanning mode, continuous laser is controlled to scan only in the range where the anodic oxide layer is removed, and a pattern with the size of 10mm multiplied by 10mm is processed and prepared to mark. By contrast, the marking pattern shown in fig. 6 has a brighter polished surface than the removed pattern shown in fig. 5.
Further, in order to facilitate positioning of the aluminum product and prevent the marking effect from being affected due to the over-high temperature of the aluminum product in the laser marking, the present embodiment further includes, in the process of performing the laser marking on the surface of the aluminum product: and starting the vacuum pump and the cooling water pump.
As shown in fig. 2 and 3, the lifting platform 4 of the present embodiment is provided with a negative pressure adsorption platform 5; the aluminum product is placed on the negative pressure adsorption platform 5 and is close to the adsorption hole 51 on the negative pressure adsorption platform 5; a cooling structure 52 is arranged in the negative pressure adsorption platform 5; the adsorption hole 51 communicates with a vacuum pump, and the cooling structure 52 communicates with a cooling water pump.
Specifically, the negative pressure adsorption platform 5 shown in this embodiment is provided with a plurality of adsorption holes 51, and the plurality of adsorption holes 51 are arranged in an array on the negative pressure adsorption platform 5. In the present embodiment, when the vacuum pump is started, a negative pressure may be formed in the adsorption hole 51, so as to realize adsorption of the aluminum product. The cooling structure 52 shown in the present embodiment may be adaptively provided according to the arrangement position of the plurality of adsorption holes 51. So, when starting cooling water pump, can make the cooling water can flow through the region at every absorption hole place to cool off the aluminium goods that adsorb in the absorption hole, prevent that aluminium goods from sharply rising temperature in the short time under the effect of laser, lead to influencing and marking the effect.
Further, after the laser marking is completed on the aluminum product, the present embodiment further includes: and starting the injection device, and controlling compressed air output by the injection device to blow the marked position on the aluminum product, so that dust on the surface of the aluminum product can be effectively removed.
The laser marking device applied to the aluminum product provided by the invention is described below, and the laser marking device applied to the aluminum product described below and the laser marking method applied to the aluminum product described above can be referred to correspondingly.
As shown in fig. 7, the present embodiment further provides a laser marking device applied to an aluminum product, including: the obtaining module 710 is used for obtaining the marking pattern and the surface state of the aluminum product.
And the adjusting module 720 is used for adjusting the height of the lifting platform according to the focal length of the focusing lens, so that the focal point of the focusing lens is distributed on the surface of the aluminum product.
The determining module 730 is configured to determine, according to the shape of the marking pattern, a first scanning area of the laser on the surface of the aluminum product when the surface state of the aluminum product meets the marking condition.
A control module 740 for controlling the laser to output a continuous laser of a first laser power and controlling the laser galvanometer to perform a moving scan at a first scan speed according to the first scan region; wherein the first laser power is 100-.
Specifically, this embodiment distributes in the surperficial back of aluminium products through the focus of controlling focusing lens on the laser marking device, can be according to the first scanning region of marking pattern affirmation, carry out laser marking to the aluminium products that satisfy the mark condition, at the in-process of marking, the material attribute of aluminium products is fully considered, through the continuous laser of the first laser power of control laser output, and control laser galvanometer carries out the removal scanning with first scanning speed, can directly form on the surface of aluminium products and mark the pattern, ensure to mark the surface of mark pattern and reach better polishing effect, not only easy operation is convenient, the control accuracy is high, and can accomplish the laser marking of the mark pattern of different demands, therefore, the commonality is strong.
Fig. 8 illustrates a physical structure diagram of an electronic device, and as shown in fig. 8, the electronic device may include: a processor (processor)810, a communication Interface 820, a memory 830 and a communication bus 840, wherein the processor 810, the communication Interface 820 and the memory 830 communicate with each other via the communication bus 840. Processor 810 may invoke logic instructions in memory 830 to perform a laser marking method applied to an aluminum article, the method comprising: obtaining the marking pattern and the surface state of the aluminum product; adjusting the height of the lifting platform according to the focal length of the focusing lens so as to enable the focal point of the focusing lens to be distributed on the surface of the aluminum product; under the condition that the surface state of the aluminum product meets the marking condition, determining a first scanning area of laser on the surface of the aluminum product according to the shape of the marking pattern; controlling the laser to output continuous laser with first laser power according to the first scanning area, and controlling the laser galvanometer to execute moving scanning at a first scanning speed; the first laser power is 100-.
In addition, the logic instructions in the memory 830 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the laser marking method applied to an aluminum product provided by the above methods, the method comprising: obtaining the marking pattern and the surface state of the aluminum product; adjusting the height of the lifting platform according to the focal length of the focusing lens so as to enable the focal point of the focusing lens to be distributed on the surface of the aluminum product; under the condition that the surface state of the aluminum product meets the marking condition, determining a first scanning area of laser on the surface of the aluminum product according to the shape of the marking pattern; controlling the laser to output continuous laser with first laser power according to the first scanning area, and controlling the laser galvanometer to execute moving scanning at a first scanning speed; the first laser power is 100-.
In yet another aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor, is implemented to perform the above-provided laser marking method applied to an aluminum product, the method comprising: obtaining the marking pattern and the surface state of the aluminum product; adjusting the height of the lifting platform according to the focal length of the focusing lens so as to enable the focal point of the focusing lens to be distributed on the surface of the aluminum product; under the condition that the surface state of the aluminum product meets the marking condition, determining a first scanning area of laser on the surface of the aluminum product according to the shape of the marking pattern; controlling the laser to output continuous laser with first laser power according to the first scanning area, and controlling the laser galvanometer to execute moving scanning at a first scanning speed; the first laser power is 100-.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a be applied to aluminium product's laser marking method, its characterized in that includes and adopts the laser marking device to beat the mark to aluminium product, the laser marking device includes lift platform and along laser instrument, laser galvanometer and the focusing lens that the light-emitting direction set gradually, the method includes:
obtaining the marking pattern and the surface state of the aluminum product;
adjusting the height of the lifting platform according to the focal length of the focusing lens so that the focal point of the focusing lens is distributed on the surface of the aluminum product;
under the condition that the surface state of the aluminum product meets marking conditions, determining a first scanning area of laser on the surface of the aluminum product according to the shape of the marking pattern;
controlling the laser to output continuous laser with first laser power according to the first scanning area, and controlling the laser galvanometer to execute moving scanning at a first scanning speed;
wherein the first laser power is 100-.
2. The laser marking method applied to the aluminum product as claimed in claim 1, wherein the first laser power is 120-160W; the first scanning speed is 1200-1800 mm/s; and the laser galvanometer executes unidirectional scanning at the first scanning speed, and the scanning times of the unidirectional scanning are 1-2 times.
3. The laser marking method applied to an aluminum product according to claim 1, wherein in a case where the marking pattern is a planar pattern, light emission control of the laser is performed at the first laser power and scanning control of the laser galvanometer is performed at the first scanning speed;
and under the condition that the marking pattern is a three-dimensional pattern, carrying out light emitting control on the laser according to the first laser power and carrying out scanning control on the laser galvanometer according to the first scanning speed, and simultaneously carrying out lifting control on the lifting platform according to the shape of the three-dimensional pattern.
4. The laser marking method applied to the aluminum product as claimed in any one of claims 1 to 3, further comprising, after the focusing point of the focusing lens is distributed on the surface of the aluminum product: in the case that the surface state of the aluminum product does not satisfy the marking condition, performing a cleaning step of the surface of the aluminum product:
determining a second scanning area of the laser on the surface of the aluminum product according to the envelope curve of the marking pattern;
controlling the laser to output pulse laser with second laser power according to the second scanning area, and controlling the laser galvanometer to execute moving scanning at a second scanning speed so as to form a marking surface meeting marking conditions in the second scanning area;
accordingly, the method further comprises: performing a marking step of the marking pattern on the marking surface;
wherein the second laser power is 10-200W; the pulse width of the pulse laser is 10-600ns, and the frequency is 200-4000 kHz; the second scanning speed is 1000-6000 mm/s.
5. The laser marking method applied to the aluminum product as recited in claim 4, wherein the second laser power is 10-50W; the pulse width of the pulse laser is 20-350ns, and the frequency is 200-3000 kHz; the second scanning speed is 3000-5000 mm/s; and the laser galvanometer executes unidirectional cross scanning at a second scanning speed, wherein the scanning times of the unidirectional cross scanning are 1-3.
6. The laser marking method applied to the aluminum product as recited in claim 4, wherein the case where the surface state of the aluminum product does not satisfy the marking condition includes: the surface roughness of the aluminum product is larger than a preset value, the surface of the aluminum product is provided with a paint coating, and the surface of the aluminum product is provided with an oxide layer.
7. The laser marking method applied to the aluminum product as claimed in any one of claims 1 to 3, wherein in the process of performing the laser marking on the surface of the aluminum product, the method further comprises: starting a vacuum pump and a cooling water pump; wherein a negative pressure adsorption platform is arranged on the lifting platform; the aluminum product is placed on the negative pressure adsorption platform and is close to the adsorption hole on the negative pressure adsorption platform; a cooling structure is arranged in the negative pressure adsorption platform; the adsorption hole is communicated with the vacuum pump, and the cooling structure is communicated with the cooling water pump;
or after the laser marking is finished on the aluminum product, the method further comprises the following steps: and starting the injection device, and controlling the compressed air output by the injection device so as to purge the marked position on the aluminum product.
8. The utility model provides a be applied to laser marking device of aluminium product, its characterized in that, including adopting laser marking device to beat the mark to aluminium product, laser marking device includes lift platform and follows laser instrument, the laser mirror that shakes and the focusing lens that the light-emitting direction set gradually, the device includes:
the acquisition module is used for acquiring the marking pattern and the surface state of the aluminum product;
the adjusting module is used for adjusting the height of the lifting platform according to the focal length of the focusing lens so as to enable the focal point of the focusing lens to be distributed on the surface of the aluminum product;
the determining module is used for determining a first scanning area of the laser on the surface of the aluminum product according to the shape of the marking pattern under the condition that the surface state of the aluminum product meets the marking condition;
the control module is used for controlling the laser to output continuous laser with first laser power according to the first scanning area and controlling the laser galvanometer to execute moving scanning at a first scanning speed;
wherein the first laser power is 100-.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor, when executing the computer program, carries out the steps of the method of any of claims 1 to 7 applied to laser marking of aluminum products.
10. A non-transitory computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method for laser marking applied to an aluminum article according to any one of claims 1 to 7.
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201376149Y (en) * | 2009-04-15 | 2010-01-06 | 武汉金运激光股份有限公司 | Multi-functional laser machining tool |
| CN101658975A (en) * | 2009-09-11 | 2010-03-03 | 克恩-里伯斯(太仓)有限公司 | Pulse type laser deburring method |
| CN102820607A (en) * | 2012-08-27 | 2012-12-12 | 武汉锐科光纤激光器技术有限责任公司 | Signal and pumping laser hybrid integrated device |
| CN103594553A (en) * | 2013-10-23 | 2014-02-19 | 中国电子科技集团公司第四十八研究所 | Array type silicon wafer loading target disk |
| CN107738033A (en) * | 2017-09-04 | 2018-02-27 | 大族激光科技产业集团股份有限公司 | Laser cutting device and its cutting method |
| CN108115269A (en) * | 2017-12-29 | 2018-06-05 | 上海驰声新材料有限公司 | Non-crystaline amorphous metal laser cryogenic polishing system and method |
| CN207735764U (en) * | 2017-12-29 | 2018-08-17 | 上海驰声新材料有限公司 | Non-crystaline amorphous metal laser cryogenic polishing system |
| CN108637486A (en) * | 2018-05-30 | 2018-10-12 | 北京工业大学 | Color metal marking system and marking method |
| CN108747042A (en) * | 2018-04-24 | 2018-11-06 | 大族激光科技产业集团股份有限公司 | A kind of water cooling positioning device and a kind of diced system |
| CN108941928A (en) * | 2018-09-01 | 2018-12-07 | 宁波馨源电子有限公司 | A kind of automatic continuous laser marking machine of thermal cut-off |
| CN110421262A (en) * | 2019-07-01 | 2019-11-08 | 上海交通大学 | A kind of method of pulse laser control aluminum alloy surface roughness |
| CN209998556U (en) * | 2018-09-30 | 2020-01-31 | 南京惠镭光电科技有限公司 | laser marking device |
| CN111230320A (en) * | 2020-03-16 | 2020-06-05 | 深圳泰德激光科技有限公司 | Laser marking method for surface of anodic aluminum oxide |
| CN112078228A (en) * | 2020-09-27 | 2020-12-15 | 宜昌南玻显示器件有限公司 | Membrane separation device and membrane separation method |
| CN112439998A (en) * | 2020-10-30 | 2021-03-05 | 松山湖材料实验室 | Low-flatness wafer laser processing adsorption device and method thereof |
| CN212848320U (en) * | 2020-08-17 | 2021-03-30 | 深圳市锐博自动化设备有限公司 | Pulse heating block structure for chip packaging |
-
2021
- 2021-08-24 CN CN202110973254.1A patent/CN113798686A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201376149Y (en) * | 2009-04-15 | 2010-01-06 | 武汉金运激光股份有限公司 | Multi-functional laser machining tool |
| CN101658975A (en) * | 2009-09-11 | 2010-03-03 | 克恩-里伯斯(太仓)有限公司 | Pulse type laser deburring method |
| CN102820607A (en) * | 2012-08-27 | 2012-12-12 | 武汉锐科光纤激光器技术有限责任公司 | Signal and pumping laser hybrid integrated device |
| CN103594553A (en) * | 2013-10-23 | 2014-02-19 | 中国电子科技集团公司第四十八研究所 | Array type silicon wafer loading target disk |
| CN107738033A (en) * | 2017-09-04 | 2018-02-27 | 大族激光科技产业集团股份有限公司 | Laser cutting device and its cutting method |
| CN108115269A (en) * | 2017-12-29 | 2018-06-05 | 上海驰声新材料有限公司 | Non-crystaline amorphous metal laser cryogenic polishing system and method |
| CN207735764U (en) * | 2017-12-29 | 2018-08-17 | 上海驰声新材料有限公司 | Non-crystaline amorphous metal laser cryogenic polishing system |
| CN108747042A (en) * | 2018-04-24 | 2018-11-06 | 大族激光科技产业集团股份有限公司 | A kind of water cooling positioning device and a kind of diced system |
| CN108637486A (en) * | 2018-05-30 | 2018-10-12 | 北京工业大学 | Color metal marking system and marking method |
| CN108941928A (en) * | 2018-09-01 | 2018-12-07 | 宁波馨源电子有限公司 | A kind of automatic continuous laser marking machine of thermal cut-off |
| CN209998556U (en) * | 2018-09-30 | 2020-01-31 | 南京惠镭光电科技有限公司 | laser marking device |
| CN110421262A (en) * | 2019-07-01 | 2019-11-08 | 上海交通大学 | A kind of method of pulse laser control aluminum alloy surface roughness |
| CN111230320A (en) * | 2020-03-16 | 2020-06-05 | 深圳泰德激光科技有限公司 | Laser marking method for surface of anodic aluminum oxide |
| CN212848320U (en) * | 2020-08-17 | 2021-03-30 | 深圳市锐博自动化设备有限公司 | Pulse heating block structure for chip packaging |
| CN112078228A (en) * | 2020-09-27 | 2020-12-15 | 宜昌南玻显示器件有限公司 | Membrane separation device and membrane separation method |
| CN112439998A (en) * | 2020-10-30 | 2021-03-05 | 松山湖材料实验室 | Low-flatness wafer laser processing adsorption device and method thereof |
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