CN112719606A - Layered processing technology of laser equipment - Google Patents
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- 238000012545 processing Methods 0.000 title claims abstract description 129
- 238000005516 engineering process Methods 0.000 title claims abstract description 16
- 238000009432 framing Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 2
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- 239000000126 substance Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
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- 230000036541 health Effects 0.000 description 1
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- 238000012994 industrial processing Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010330 laser marking Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 238000005459 micromachining Methods 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
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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
- B23K26/70—Auxiliary operations or equipment
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Abstract
The invention provides a layered processing technology of laser equipment, which comprises the following steps: the laser instrument, the built-in laser head of laser instrument drives the laser instrument and makes the moving of triaxial operation and carries the subassembly, is located the laser instrument below and supplies the five-axis cam platform that the product placed, includes following steps: s1 framing step, covering the original model which is obtained or created by three-dimensional software conversion and needs to cover the texture product with the three-dimensional texture pattern which is obtained or created by CAM software conversion, and generating a framing block by utilizing CAM software to generate a slice file; s2, setting a processing depth step, setting the processing depth according to the requirement of the product processing precision, and automatically calculating the framed hierarchical three-dimensional texture file through CAM software; s3 operation step; and S4. By the layered processing technology of the laser equipment, the irregular three-dimensional product can be subjected to layered laser processing, the laser processing quality and processing precision of the product are improved, and large-scale flow line production can be realized.
Description
Technical Field
The invention relates to the field of laser layered processing, in particular to a layered processing technology of laser equipment.
Background
Laser is a new light source in the 60's of the 20 th century, and has the characteristics of good directivity, high brightness, good monochromaticity, high energy density and the like. The laser industry based on lasers is rapidly developing in the world and is now widely used in industrial production, communication, information processing, medical health, military, cultural education, scientific research and other fields. Statistically, the annual and laser-related products and services have a market value of up to billions of dollars, from high-end optical fibers to common barcode scanners.
The prospect of development prospect and transformation upgrade analysis report of the laser industry of China, published by the industry research institute of prospect, shows that the laser industry forms complete and mature industrial chain distribution. The upstream mainly comprises laser materials and matched components, the midstream mainly comprises various lasers and matched equipment thereof, and the downstream mainly comprises laser application products, consumer products and instrument equipment.
At present, the domestic laser market is mainly divided into laser processing equipment, optical communication devices and equipment, laser measuring equipment, lasers, laser medical equipment, laser components and the like, and the products are mainly applied to the industrial processing and optical communication markets, and the products occupy the market space of nearly 7.
With the progress of laser technology, the laser industry in China must be rapidly developed, in five years in the future, the laser market in China is developed at a speed of about 20% under the drive of related industries, and in 2015, laser application fields in China form a laser industry group taking laser processing, laser communication, laser medical treatment, laser display, laser holography and the like as industries, so that the development prospect of the industry is good. The laser processing technology is a technology for cutting, welding, surface processing, punching, micromachining materials (including metals and non-metals) by utilizing the interaction characteristic of laser beams and substances, and serving as a light source and identifying objects, and the laser processing technology is the most widely applied field in the traditional technology. Laser marking: the laser is widely applied to various materials and almost all industries, at present, laser processing is mostly adopted, deep substances are exposed by the laser through evaporation of surface substances, or the laser can lead chemical and physical changes of the surface substances to be 'carved' to form traces through light energy, or partial substances are burnt through the light energy, and patterns and characters required to be etched are displayed. However, the conventional laser can only perform laser on a 2D plane of an object, and cannot perform three-dimensional processing on an irregular object.
In view of the above, there is a need for improvement in the prior art to solve the above problems.
Disclosure of Invention
The invention aims to disclose a layered processing technology of laser equipment, which can realize layered laser processing of irregular three-dimensional products, improve the laser processing quality and processing precision of the products and realize large-scale flow line production.
In order to achieve the above object, the present invention provides a layered processing process of a laser device, comprising: the laser instrument, the built-in laser head of laser instrument drives the laser instrument and makes triaxial moving move the year subassembly, is located the laser instrument below and supplies the five-axis cam platform that the product was placed, arranges and sets up in a plurality of sensors of laser instrument bottom, disposes in the coaxial vision equipment and the infrared ray trigger gauge head of laser instrument, specifically includes following steps:
s1 framing step, covering the original model which is obtained or created by three-dimensional software conversion and needs to cover the texture product with the three-dimensional texture pattern which is obtained or created by CAM software conversion, and generating a framing block by utilizing CAM software to generate a slice file;
s2, setting a processing depth step, setting the processing depth according to the requirement of the product processing precision, and automatically calculating the framed hierarchical three-dimensional texture file through CAM software;
s3, processing the cross-connecting lines of the contact part of the framing area by utilizing the calculation principle of hierarchical breadth cross-connecting in CAM software;
and S4, setting relevant parameters of the laser equipment, importing the processing file processed by the steps S1-S3, and starting processing.
As a further improvement of the invention, analog detection is also included between S3 and S4; and loading a processing file produced by CAM software through a CAE tool, and performing simulation operation detection to verify the BUG in the actual processing state.
As a further improvement of the invention, the processing area of the laser head is 50mm x 50mm, the automatic focal length zooming range is plus or minus 21, and the corresponding surface normal is within 120 degrees.
As a further improvement of the invention, the CAM software operation framing principle is to generate slice files within the range of processing conditions of the laser head.
As a further improvement of the invention, the hierarchical three-dimensional texture file comprises a laser path file and a corresponding matched laser hierarchical file as well as a laser processing generated matrix.
As a further improvement of the present invention, in S4, the transfer unit and/or the five-axis cam table are adjusted to confirm the machined surface and the initial machining area of the product.
In a further improvement of the present invention, in S4, a single-side stationary processing mode and a shallow-to-deep processing mode are adopted.
As a further improvement of the invention, the three-dimensional software is any one of 3dsmax, PRO/E, UG, cata, solidworks, maya and Inventer.
As a further development of the invention, the three-dimensional texture style is created by converting any one of vector files PLT, DXF, AI, DST, SVG, GPR, NC, JPC, BOT, or by 3D texture scan assisted generation, or by converting any one of bitmap files bmp, jpg, jpeg, gif, tga, png, tif, tiff by CAM software tools.
As a further improvement of the present invention, in S4, the laser head can be adjusted by monitoring of the sensor, so that the laser head constantly keeps emitting the energy of the light beam which is focused on the to-be-processed area of the product.
Compared with the prior art, the invention has the beneficial effects that:
(1) the three-dimensional texture pattern acquired or created through CAM software conversion is covered on the original model acquired or created through three-dimensional software conversion, the framing block is generated by the CAM software, and the slicing file is generated, so that the possibility of laser processing of irregular three-dimensional products is realized, the range of the laser field is expanded, and the difficulty of laser processing is simplified. The CAM software designed by the user is utilized for data processing, so that the processing precision can be improved, the problem of cross-over lines is solved, and the appearance of a laser processing product is more attractive.
(2) Simulation detection before processing is carried out through the CAE tool, so that the problems that the processing of the area surface can not be finished or hardware collision and the like can not be finished at a special angle in the processing process can be solved.
(3) By adopting the single-width static processing mode and the processing mode from shallow to deep, after the laser path file matched with the current laser level processing file is processed, the laser is driven by the transfer assembly to the processing section of the laser path file matched with the deep laser level processing file, the stability of the processing state is ensured, and the processing time of the laser is reduced.
(4) The laser has the function of realizing three-dimensional processing by utilizing the characteristics of the laser, is combined with three-dimensional software, thereby carrying out three-dimensional processing on products, and has the advantages of wide application range, strong operability, beautiful processing effect, simple processing mode, suitability for assembly line operation and improvement of the scale and the yield of industrial laser processing.
Drawings
FIG. 1 is a flow chart of a layered processing process of a laser apparatus of the present invention;
fig. 2 is a perspective view of a laser apparatus according to a layered processing method of the laser apparatus of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
The invention provides a layered processing technology of laser equipment.
Fig. 1 to fig. 1 show a layered processing process of a laser device according to an embodiment of the present invention.
In this embodiment, the present invention provides a layered processing process for a laser device, including: the laser comprises a laser head, wherein the laser head is arranged in the laser, the processing area of the laser head is 50mm x 50mm, the automatic focal length zooming range is plus or minus 21, and the normal of the corresponding surface is within the range of 120 degrees. The driving laser makes triaxial moving of operation move and carries the subassembly, is located the laser below and supplies the five-axis cam platform that the product was placed, and five-axis cam platform has excellent characteristics, has increased cradle tilt axle and rotation axis on the triaxial basis of moving the subassembly for laser equipment is handling if: the laser angle problem can be overcome when irregular components such as balls, bosses, frustum and the like are used, the laser processing field is expanded, complex space curved surfaces can be processed, the structure is simple, the rigidity performance is good, the manufacturing cost is low, and the laser precision is improved. The extended cradle tilting shaft and the rotating shaft can realize the covering of a larger range of the three-dimensional curved surface, the motion adjustment speed is relatively high, and the motion path of a high-complexity solid curved surface model can be realized.
More specifically, arrange and set up in a plurality of sensors of laser instrument bottom, in S4, through the monitoring of sensor, can adjust the laser head, make the laser head constantly keep launching the beam energy of positive burnt in the interval of waiting to process of product. The plurality of sensors are arranged, so that the working range of the laser can be enlarged, the edge of the laser processing piece can be contained in the irradiation range of the sensors, and the focusing position is guaranteed to be more accurate on the whole. The coaxial vision device and the infrared trigger probe which are configured on the laser can measure the focal length, read the two-dimensional code, confirm the processing position, continuously keep high processing quality, and do not need to switch when changing the variety, thereby being beneficial to greatly reducing the working hours, simplifying the device and improving the production efficiency. The method specifically comprises the following steps: and S1 framing step, covering the original model which is obtained or created by three-dimensional software conversion and needs to cover the texture product with the three-dimensional texture pattern which is obtained or created by CAM software conversion, generating a framing block by utilizing CAM software, and generating a slice file, wherein the CAM software operation framing principle is to generate the slice file within the range of the processing conditions of the laser head. S2, setting a processing depth step, setting the processing depth according to the requirement of the product processing precision, and automatically calculating the framed hierarchical three-dimensional texture file through CAM software; the hierarchical three-dimensional texture file comprises a laser path file, a corresponding matched laser hierarchical file and a matrix generated by laser processing. S3, processing the cross-connecting lines of the contact part of the framing area by utilizing the calculation principle of hierarchical breadth cross-connecting in CAM software; and S4, setting relevant parameters of the laser equipment, importing the processing file processed by the steps S1-S3, and starting processing. In S4, the transfer unit and/or the five-axis cam table are adjusted to confirm the machined surface and the initial machining area of the product. Analog detection is also included between S3 and S4; and loading a processing file produced by CAM software through a CAE tool, and performing simulation operation detection to verify the BUG in the actual processing state. In S4, a single-side stationary processing mode and a shallow-to-deep processing mode are adopted.
The three-dimensional texture pattern acquired or created through CAM software conversion is covered on the original model acquired or created through three-dimensional software conversion, the framing block is generated by the CAM software, and the slicing file is generated, so that the possibility of laser processing of irregular three-dimensional products is realized, the range of the laser field is expanded, and the difficulty of laser processing is simplified. The CAM software designed by the user is utilized for data processing, so that the processing precision can be improved, the problem of cross-over lines is solved, and the appearance of a laser processing product is more attractive. Simulation detection before processing is carried out through the CAE tool, so that the problems that the processing of the area surface can not be finished or hardware collision and the like can not be finished at a special angle in the processing process can be solved. By adopting the single-width static processing mode and the processing mode from shallow to deep, after the laser path file matched with the current laser level processing file is processed, the laser is driven by the transfer assembly to the processing section of the laser path file matched with the deep laser level processing file, the stability of the processing state is ensured, and the processing time of the laser is reduced. The laser has the advantages of wide application range, strong operability, attractive processing effect, simple processing mode, suitability for assembly line operation and capability of improving the scale and the yield of industrial laser processing by combining the laser with three-dimensional software to perform three-dimensional processing on products. The laser further includes a paraxial electron microscope, and the laser observes the processing result by the paraxial electron microscope in S4. Debugging laser processing, putting into processing stamp mark platform according to the good work piece of primary model processing, artifical through coaxial vision and equipment infrared triggering gauge head accomplish the timing initial point and fasten the work piece, set up equipment relevant parameter, transfer into the processing file that CAE check-up was accomplished, start equipment processing to accomplishing, the centre can be suspended and can be observed the processing actual conditions through paraxial electron microscope detection, can be through coaxial vision observation place processing position actual conditions, can restart and continue processing to accomplishing.
The three-dimensional software is any one of 3dsmax, PRO/E, UG, cata, solidworks, maya and Inventer. The three-dimensional texture style is created by converting any one of vector files PLT, DXF, AI, DST, SVG, GPR, NC, JPC and BOT, or by generating with the aid of 3D texture scanning, or by converting any one of bitmap files bmp, jpg, jpeg, gif, tga, png, tif and tiff through CAM software tools.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A layered processing technique of a laser device is characterized by comprising the following steps: the laser instrument, the built-in laser head of laser instrument drives the laser instrument and makes triaxial moving move the year subassembly, is located the laser instrument below and supplies the five-axis cam platform that the product was placed, arranges and sets up in a plurality of sensors of laser instrument bottom, disposes in the coaxial vision equipment and the infrared ray trigger gauge head of laser instrument, specifically includes following steps:
s1 framing step, covering the original model which is obtained or created by three-dimensional software conversion and needs to cover the texture product with the three-dimensional texture pattern which is obtained or created by CAM software conversion, and generating a framing block by utilizing CAM software to generate a slice file;
s2, setting a processing depth step, setting the processing depth according to the requirement of the product processing precision, and automatically calculating the framed hierarchical three-dimensional texture file through CAM software;
s3, processing the cross-connecting lines of the contact part of the framing area by utilizing the calculation principle of hierarchical breadth cross-connecting in CAM software;
and S4, setting relevant parameters of the laser equipment, importing the processing file processed by the steps S1-S3, and starting processing.
2. The layered processing technology of a laser device as claimed in claim 1, further comprising analog detection between S3 and S4; and loading a processing file produced by CAM software through a CAE tool, and performing simulation operation detection to verify the BUG in the actual processing state.
3. The layered processing technique of a laser device according to claim 1, wherein the processing area of the laser head is 50mm x 50mm, the automatic focal length zooming range is plus or minus 21, and the corresponding surface normal is within 120 °.
4. The layered processing technology of the laser device as claimed in claim 3, wherein the CAM software operation framing principle is to generate slice files within the processing conditions of the laser head.
5. The layered processing technology of claim 1, wherein the layered three-dimensional texture file comprises a laser path file and a corresponding matching laser layered file, and a laser processing generated matrix.
6. The layered processing technique for laser equipment according to claim 1, wherein in S4, the processing surface and the initial processing area of the product are confirmed by adjusting the transfer unit and/or the five-axis cam table.
7. The layered processing method of a laser device according to claim 1, wherein in S4, the single-side stationary processing mode and the shallow-to-deep processing mode are adopted.
8. The layered processing technology of laser equipment according to claim 1, wherein the three-dimensional software is any one of 3dsmax, PRO/E, UG, cata, solidworks, maya, Inventer.
9. The layered manufacturing process for laser device according to claim 1, wherein the three-dimensional texture pattern is created by converting any one of vector files PLT, DXF, AI, DST, SVG, GPR, NC, JPC, BOT, or by 3D texture scan aided generation, or by converting any one of bitmap files bmp, jpg, jpeg, gif, tga, png, tif, tiff by CAM software tools.
10. The layered processing technique of a laser apparatus as claimed in claim 1, wherein in S4, the laser head is adjusted to constantly emit the beam energy that is focused on the to-be-processed region of the product, as monitored by the sensor.
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| CN114260578A (en) * | 2021-12-22 | 2022-04-01 | 华天科技(南京)有限公司 | Method for simultaneously laser multiple seals |
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