CN201755721U - High-power laser roller surface double-head integration focusing texturing processing device - Google Patents
High-power laser roller surface double-head integration focusing texturing processing device Download PDFInfo
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- CN201755721U CN201755721U CN 201020185508 CN201020185508U CN201755721U CN 201755721 U CN201755721 U CN 201755721U CN 201020185508 CN201020185508 CN 201020185508 CN 201020185508 U CN201020185508 U CN 201020185508U CN 201755721 U CN201755721 U CN 201755721U
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Abstract
The utility model discloses a high-power laser roller surface double-head integration focusing texturing processing device, comprising a laser and a digital control machine tool. A working platform driven by a translation guide rail and a roller rotation axle and a top point in parallel with the translation guide rail for mounting a roller workpiece are mounted on a machine body of the digital control machine tool. A triple prism scanning mechanism and an integration focusing mechanism are mounted on the working platform, characterized in that: the integration focusing mechanism is composed of first, second integration focusing heads arranged in the inclined line and N closely-arranged focusing lenses are arranged in each integration focusing head and two integration focusing heads respectively output 2*N focusing light spots and 2*N spiral scanning lattice texturing pit distribution is simultaneously formed on the surface of the roller workpiece and the N is >=2. The prior many separated focusing heads are reduced to two independent integration focusing heads and each integration focusing head respectively outputs N>=2 focusing light spots, so as to ensure the processing efficiency to simplify the device.
Description
Technical field
The utility model belongs to surface of roller laser roughening process field, particularly a kind of high-power laser roll class surface double end integrated focusing texturing process device.
Background technology
Textured steel sheet has good punching performance and surperficial coating performance, it is the important raw and processed materials of extensive use in automobile, household electrical appliances, electronics and the production in light industry, the key technology of textured steel sheet production is the roller surface texturing, and laser roller texturing technology is practical and advanced a kind of texturing technology in several texturing technology (comprising shot-peening texturing, electric spark texturing and electron beam texturing) of using now.
Laser roller texturing technology mainly is divided into two big classes at present: a class is to adopt gas CO
2The CO of laser instrument
2Laser roughening, another kind of is to adopt solid Nd: the YAG laser roughening of YAG laser instrument.
At present, the CO that has succeeded in developing and be used to produce
2The basic principle of laser roughening device is: CO
2The high energy continuous laser beam that laser instrument is launched is transformed into pulse laser beam through light modulation rotating disk (chopper disk); Pulse laser beam after utilizing condenser lens with conversion focuses on processed roller surface and carries out texturing; In the process, in the time of the roll rotation, laser head and optical emitting modulating system move along the roll length direction, process the small texturing hole of spirality regular distribution at roller surface.For example: the large-scale CO of laser institute of Central China University of Science and Technology development
2Laser roller texturing process integrated system.But, have only seldom a part of laser output energy to access and effectively utilize, thereby its energy utilization efficiency is not high because this system has adopted light modulation rotating disk technology; And complicated in mechanical structure, huge, the relative cost of equipment volume are higher.Above-mentioned CO
2Laser roughening equipment is because capacity usage ratio is lower, so its working (machining) efficiency has been compared certain gap with electric spark texturing equipment.In recent years, based on this type of laser roughening technology of chopper disk light beam modulation principle, it mainly develops and embodies a concentrated reflection of: by the light modulation rotating disk (chopper disk) of design different structure form, to improve utilization ratio of laser energy.For example: Chinese patent " a kind of rotating disk that is used for Laser Modulation " (patent No. ZL94218749.0) and Chinese patent " beam splitting type laser roughing modulation device " (patent No. ZL200710041118.9).
The basic principle of YAG laser roughening device is: adopt the Nd:YAG laser instrument of acousto-optic Q modulation as pulse laser the source to take place, the pulse laser beam of being launched by laser instrument directly acts on processed roller surface and carries out texturing after light path system focuses on; By the rotating speed of control q-frequency and roll, realize that desired surface roughness and texturing hole distributes.For example: Inst. of Mechanics, CAS is at " laser processing device with controlled distribution texturing point that is used for the surface of roller texturing " (patent No. ZL00264774.5) of the nineties research and development, and the Nd:YAG laser instrument that adopts acousto-optic Q modulation is as light source for processing.Its shortcoming is: because employed acousto-optic Q modulation Pulse Nd: the mean power of YAG laser instrument is lower, and the texturing effect is limited, and production efficiency is low, is difficult to satisfy the production needs of big section steel works.
In order to overcome the deficiency of above-mentioned laser roughening technology, the utility model patent applicant has invented the roller surface coarsening processing method using multiheaded and device of a kind of high power laser light, and the essential characteristic of its method is: utilize high power continuous wave laser output continuous laser beam; By the polygon prism spectrophotometric device this continuous laser beam is modulated, made it be divided into K (〉=2) road pulse laser beam; Utilize the individual independently focus head of K respectively K road pulse laser beam to be focused on back output, surface of roller is carried out bull (K focus head) texturing process simultaneously, form K bar helical scanning line lattice texturing hole distribution at surface of roller.High-power laser roll class surface bull texturing process device based on the method can be realized bull texturing process, working (machining) efficiency height simultaneously; The laser energy utilizing rate height, and to laser power without limits; But this device then must further increase the quantity of focus head if will further improve working (machining) efficiency, and this can make the device complete machine structure become complicated.
Foregoing invention has been declared national inventing patent (application number: 200610018261.1) with utility model patent (application number: 200620095100.8) in 2006.At present, authorized (the patent No.: ZL200610018261.1), and the authorized (patent No.: ZL200620095100.8) of utility model patent " high-power laser roll class surface bull texturing process device " of patent of invention " high power laser light roller surface coarsening processing method using multiheaded and device ".
Summary of the invention
The utility model purpose is: double end integrated focusing texturing process device in a kind of high-power laser roll class surface is provided, this device is in above-mentioned granted patent " the roller surface coarsening processing method using multiheaded and device of the high power laser light " (patent No.: on basis ZL200610018261.1), intend adopting integrated focusing head technology, the focus head of a plurality of separation is reduced to two independently integrated focusing heads, each integrated focusing head all can correspondingly be exported N 〉=2 focal spot, simplifies complete machine structure and the purpose that improves working (machining) efficiency so that reach.
The technical solution of the utility model is: a kind of high-power laser roll class surface double end integrated focusing texturing process device, comprise laser instrument and Digit Control Machine Tool, the workbench that drives by the translation guide rail is housed on the lathe bed of described Digit Control Machine Tool and the roll rotating shaft of roll workpiece and top is installed with parallel being used to of translation guide rail; Polygon prism sweep mechanism and integrated focusing mechanism are housed on the described workbench; It is characterized in that: described integrated focusing mechanism constitutes by being first, second two integrated focusing heads that oblique line shape arranges, be equipped with N compact arranged condenser lens in each integrated focusing head, two integrated focusing heads can correspondingly be exported 2 * N focal spot, form 2 * N bar helical scanning line lattice texturing hole simultaneously at the roll surface of the work and distribute, wherein N 〉=2.
In the utility model, the same with prior art, described laser instrument is the high power continuous wave laser, for example the continuous CO of high power
2Laser instrument or high power CW Nd: YAG laser instrument; And described polygon prism sweep mechanism is made up of the high-speed electric expreess locomotive of first focus lamp, second focus lamp, completely reflecting mirror group, polygon prism and the rotation of drive polygon prism; Described completely reflecting mirror group is by arranging with horizontal line angle at 45 and upper and lower two speculums parallel to each other constitute, and wherein the minute surface of upper reflector is relative with second focus lamp, and the minute surface of following speculum is then relative with the second integrated focusing head.
Above-mentioned high-power laser roll class surface double end integrated focusing texturing process device, first focus lamp in the described polygon prism sweep mechanism is transmission-type focus lamp or reflective focus lamp.
Above-mentioned high-power laser roll class surface double end integrated focusing texturing process device, second focus lamp in the described polygon prism sweep mechanism is transmission-type focus lamp or reflective focus lamp.
Above-mentioned high-power laser roll class surface double end integrated focusing texturing process device, the face of described polygon prism is counted M 〉=5, and its each working surface is fully reflecting surface.
Above-mentioned high-power laser roll class surface double end integrated focusing texturing process device, described two integrated focusing heads are oblique line shape to be arranged, and the lateral separation between described two integrated focusing heads is N * Δ X, Δ X=50～500 μ m, fore-and-aft distance is Δ Y.
Operation principle of the present utility model is as follows: the continuous laser beam that described laser instrument sends enters the polygon prism sweep mechanism, focus on by first focus lamp on certain working face of polygon prism of rotation, form fan-shaped scanning light beam, this reflective scan light beam of dispersing forms the parallel sweep light beam with certain sweep length after the second focus lamp conversion; Described parallel sweep light beam is the inswept first integrated focusing head earlier, and corresponding output N 〉=2 focal spot after the compact arranged condenser lens focusing of the N that establishes in first focus head 〉=2; Described subsequently parallel sweep light beam again after twice 90 ° of guiding of completely reflecting mirror group, the inswept second integrated focusing head, and focus on corresponding output N 〉=2, a back focal spot by N 〉=2 of establishing in the second an integrated focusing head compact arranged condenser lens; Thereby form 2 * N focal spot altogether, form 2 * N bar helical scanning line lattice texturing hole simultaneously at the roll surface of the work and distribute.
The same with prior art, during the utility model work, roll workpiece to be processed is by roll rotating shaft on the Digit Control Machine Tool and top clamping, and by roll rotating shaft driven rotary, its rotating speed is controlled by Digit Control Machine Tool.Workbench on the Digit Control Machine Tool can be done three-dimensional motion, and its point-to-point speed is controlled by Digit Control Machine Tool.Similarly, drive the high-speed electric expreess locomotive of polygon prism rotation, its rotating speed is also controlled by Digit Control Machine Tool.Described Digit Control Machine Tool adopts existing equipment, for example the XL9 Digit Control Machine Tool.
The utility model is when concrete work, the optical axis of described two integrated focusing heads is all vertical with the roll surface of the work, and 2 * N focal spot of the corresponding output of described two integrated focusing heads distributes in 2 * N bar helical scanning line lattice texturing hole that the roll surface of the work forms, vertical dot spacing b=50 of scan line dot matrix～500 μ m, crosswise spots separation delta X=50～500 μ m, scan line pitch P=2 * N * Δ X.
The utility model has the advantages that:
The utility model and the patent of invention of the having authorized (patent No.: ZL200610018261.1) compare, the main distinction is as follows: the patent of having authorized adopts the individual independently focus head of K (〉=2), corresponding one road pulse laser output of each focus head, thereby, it is carried out texturing process simultaneously at K focal spot of roller surface formation; And the utility model adopts integrated focusing head technology, utilize two independently the integrated focusing head just can carry out texturing process by corresponding output 2 * N (N 〉=2) road pulse laser breaker roll workpiece, so when having improved working (machining) efficiency, make that also the structure of device integral body is simplified greatly.Concrete advantage is as follows:
1. utilize two integrated focusing heads to export a plurality of focal spots, can realize the burnt luminous point texturing process of poly simultaneously, and technically without limits to laser power, simultaneously because present continuous wave laser can obtain very high power output, process velocity can obtain very high process velocity also without limits like this.
2. adopt integrated focusing head technology, the continuous high power laser beam is divided into densely arranged multichannel focusing pulse laser beam output, do not need to adopt the light modulation rotating disk or carry out acousto-optic Q modulation with the output of acquisition pulse laser, so the utilization ratio of laser energy height.And simple in structure, volume is little, cost is low, long service life produce to be safeguarded easily.
3. owing to adopt continuous high power laser instrument (the continuous CO of high power for example
2Laser instrument or YAG laser instrument) as light source for processing, laser power can make full use of, and technology maturation, need not special maintenance in the work, and assurance equipment moves reliably and with long-term.
4. can further adopt parabolic reflector formula focus lamp to focus in the polygon prism sweep mechanism, rapid heat dissipation, thermal deformation is little, focal beam spot aberrationless, spherical aberration, working stability.
5. because Digit Control Machine Tool adopts is that the digital control system of three-shaft linkage combines with the computer control of laser output power and pulse frequency, so can onlinely regulate, realize that texturing roll surface roughness and texturing hole distribution density is variable, and can realize the multiple distribution in roll surface texturing hole, good product quality.
In a word, the utility model is simple in structure, long service life, working stability, and working (machining) efficiency height, good product quality.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the utility model integral outer universal architecture schematic diagram;
Fig. 2 is the inner concrete structure schematic diagram of a kind of polygon prism sweep mechanism of specific embodiment;
Fig. 3 is the realization schematic diagram of polygon prism sweep mechanism and single integrated focusing head among Fig. 2 embodiment;
Fig. 4 is that the position of two integrated focusing heads among Fig. 2 embodiment concerns schematic diagram;
Fig. 5 is the realization schematic diagram of polygon prism sweep mechanism and single integrated focusing head in second specific embodiment;
Fig. 6 is the realization schematic diagram of polygon prism sweep mechanism and single integrated focusing head in the 3rd specific embodiment;
Fig. 7 is that the utility model is cheated distribution schematic diagram in the texturing that the roll surface of the work produces.
The specific embodiment
Embodiment 1: at first as shown in Figure 1, this high-power laser roll class surface double end integrated focusing texturing process device that present embodiment provides, comprise laser instrument 1 and Digit Control Machine Tool 3, described Digit Control Machine Tool 3 adopts conventional XL9 type Digit Control Machine Tool, and workbench 12 that drives by translation guide rail 303 and the roll rotating shaft 301 and top 302 of roll workpiece 13 being installed with 303 parallel being used to of translation guide rail are housed on its lathe bed; Polygon prism sweep mechanism 4 and integrated focusing mechanism are housed on the described workbench 12, and described integrated focusing mechanism constitutes by being first, second two integrated focusing heads 601,602 that oblique line shape arranges; And described laser instrument 1 adopts the continuous CO of high power
2Laser instrument, its power output from 500～6000 watts continuous adjustable, laser output wavelength is 10.6 μ m (can certainly select the laser instrument of other kind according to actual needs, for example the Nd:YAG laser instrument).
As shown in Figure 2, the sweep mechanism of polygon prism described in the present embodiment 4 is made of jointly the high-speed electric expreess locomotive 406 of the first reflective focus lamp 403, the second transmission-type focus lamp 7, completely reflecting mirror group, polygon prism 401 and 401 rotations of drive polygon prism.401 number M=7 of polygon prism in the present embodiment, each working face is fully reflecting surface.Polygon prism one side links to each other with high-speed electric expreess locomotive 406, rotation at a high speed under high-speed electric expreess locomotive 406 drives, and its rotating speed is by Digit Control Machine Tool 3 controls.The rotating speed of high-speed electric expreess locomotive 406 is n=0.3～50,000 rev/min.Distance L=f of the described second transmission-type focus lamp 7 focus point O to polygon prism 401 working faces, f is the focal length of the described second transmission-type focus lamp 7.Described completely reflecting mirror group is by arranging with horizontal line angle at 45 and upper and lower two speculums 404,405 parallel to each other constitute, wherein the minute surface of upper reflector 404 is relative with the second transmission-type focus lamp 7, and the minute surface of following speculum 405 is then relative with the second integrated focusing head 602.Core technology of the present utility model is the design to two integrated focusing heads, with the first integrated focusing head 601 is example, in conjunction with shown in Figure 3, its inside is provided with a compact arranged N=3 condenser lens 901,902,903 as can be known, the described second integrated focusing head, 602 internal structures are identical with the first integrated focusing head 601, so no longer describe in detail.
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 7, the operation principle of present embodiment is described:
Embodiment 2: as shown in Figure 1, this high-power laser roll class surface double end integrated focusing texturing process device that present embodiment provides, its external structure is with embodiment 1, and difference is that it has replaced to the first transmission-type focus lamp 402 with the first reflective focus lamp 403 in the polygon prism sweep mechanism 4 of embodiment 1, (omits high-speed electric expreess locomotive 406 and the completely reflecting mirror group that is connected polygon prism 401 1 sides among Fig. 5) as shown in Figure 5.So when present embodiment is specifically worked, the continuous laser beam 2 of laser instrument 1 output enters polygon prism sweep mechanism 4, focus on by the first transmission-type focus lamp 402 on certain working face of the polygon prism 401 that rotates at a high speed, form fan-shaped reflective scan light beam with certain angle 0; This reflective scan light beam of dispersing is after 7 conversion of the second transmission-type focus lamp, formation has the parallel sweep light beam (distance L=f of the focus point O of the described second transmission-type focus lamp 7 to polygon prism 401 working faces, f is the focal length of the described second transmission-type focus lamp 7) of certain sweep length Δ L.The same with embodiment 1, described parallel sweep light beam is the inswept first integrated focusing head 601 earlier, and correspondence is exported N=3 focal spot after the first integrated focusing head 601 focuses on; Described subsequently parallel sweep light beam is again through twice 90 ° of guiding of completely reflecting mirror group, and focuses on N=3 focal spot of the corresponding output in back by the second integrated focusing head 602; 2 * N=6 focal spot of corresponding altogether output forms 2 * N=6 bar helical scanning line lattice texturing hole simultaneously and distributes, as shown in Figure 7 on roll workpiece 13 surfaces.Present embodiment all the other all with embodiment 1.
Embodiment 3: as shown in Figure 1, this high-power laser roll class surface double end integrated focusing texturing process device that present embodiment provides, its external structure is with embodiment 1, and difference is that it has replaced to the first transmission-type focus lamp 402 with the first reflective focus lamp 403 in the polygon prism sweep mechanism 4 of embodiment 1, again the second transmission-type focus lamp 7 is replaced with the second parabolic reflector formula focus lamp 5, (still omit high-speed electric expreess locomotive 406 and the completely reflecting mirror group that is connected polygon prism 401 1 sides among Fig. 6) as shown in Figure 6.So when present embodiment is specifically worked, the continuous laser beam 2 of laser instrument 1 output enters polygon prism sweep mechanism 4, forms the fan-shaped reflective scan light beam with certain angle θ by the first transmission-type focus lamp, 402 reflect focalizations on certain working face of the polygon prism 401 that rotates at a high speed; This reflective scan light beam of dispersing is after 5 conversion of the second parabolic reflector formula focus lamp, formation has the parallel sweep light beam (focus of the described second parabolic reflector formula focus lamp 5 overlaps with focus point O on polygon prism 401 working faces, and f is the focal length of the described second parabolic reflector formula focus lamp 5) of certain sweep length Δ L.The same with embodiment 1, described parallel sweep light beam is the inswept first integrated focusing head 601 earlier, and focuses on N=3 focal spot of the corresponding output in back via the first integrated focusing head 601; Described parallel sweep light beam is again through twice 90 ° of guiding of completely reflecting mirror group, and focuses on N=3 focal spot of the corresponding output in back by the second integrated focusing head 602; 2 * N=6 focal spot of corresponding altogether output forms 2 * N=6 bar helical scanning line lattice texturing hole simultaneously and distributes, as shown in Figure 7 on roll workpiece 13 surfaces.Present embodiment all the other all with embodiment 1.
Above-mentioned three embodiment all utilize two integrated focusing heads 601,602 to realize the burnt luminous point output of poly, process velocity is equal to granted patent " the roller surface coarsening processing method using multiheaded and device of the high power laser light " (patent No.: six process velocity ZL200610018261.1), but apparatus structure has obtained simplifying greatly.
Certainly the foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the spiritual essence of the utility model main technical schemes all should be encompassed within the protection domain of the present utility model.
Claims (7)
1. high-power laser roll class surface double end integrated focusing texturing process device, comprise laser instrument (1) and Digit Control Machine Tool (3), workbench (12) that drives by translation guide rail (303) and roll rotating shaft (301) and top (302) of roll workpiece (13) being installed with parallel being used to of translation guide rail (303) are housed on the lathe bed of described Digit Control Machine Tool (3); Polygon prism sweep mechanism (4) and integrated focusing mechanism are housed on the described workbench (12); It is characterized in that: described integrated focusing mechanism constitutes by being first, second two integrated focusing heads (601,602) that oblique line shape arranges, be equipped with N compact arranged condenser lens in each integrated focusing head, two integrated focusing heads can correspondingly be exported 2 * N focal spot, form 2 * N bar helical scanning line lattice texturing hole on roll workpiece (13) surface simultaneously and distribute, wherein N 〉=2.
2. high-power laser roll class according to claim 1 surface double end integrated focusing texturing process device, it is characterized in that: described laser instrument (1) is the high power continuous wave laser, and described polygon prism sweep mechanism (4) is made up of the high-speed electric expreess locomotive (406) of first focus lamp, second focus lamp, completely reflecting mirror group, polygon prism (401) and drive polygon prism (401) rotation; Described completely reflecting mirror group is by arranging with horizontal line angle at 45 and upper and lower two speculums (404,405) formation parallel to each other, wherein the minute surface of upper reflector (404) is relative with second focus lamp, and the minute surface of following speculum (405) is then relative with the second integrated focusing head (602); The continuous laser beam that described laser instrument (1) sends enters polygon prism sweep mechanism (4), focus on by first focus lamp on certain working face of the polygon prism (401) that rotates at a high speed, form fan-shaped scanning light beam, this reflective scan light beam of dispersing forms the parallel sweep light beam with certain sweep length after the second focus lamp conversion; Described parallel sweep light beam is the inswept first integrated focusing head (601) earlier, and corresponding output N 〉=2 focal spot after the compact arranged condenser lens focusing of N 〉=2 of establishing in the first integrated focusing head (601); Described parallel sweep light beam is again after twice 90 ° of guiding of completely reflecting mirror group (404,405), the inswept second integrated focusing head (602), and by N 〉=2 of establishing in the second integrated focusing head (602) corresponding output N 〉=2, a compact arranged condenser lens focusing back focal spot; Thereby form 2 * N focal spot altogether.
3. high-power laser roll class according to claim 2 surface double end integrated focusing texturing process device, it is characterized in that: described first focus lamp is transmission-type focus lamp or reflective focus lamp.
4. high-power laser roll class according to claim 2 surface double end integrated focusing texturing process device, it is characterized in that: described second focus lamp is transmission-type focus lamp or reflective focus lamp.
5. high-power laser roll class according to claim 2 surface double end integrated focusing texturing process device, it is characterized in that: the face of described polygon prism (401) is counted M 〉=5, and its each working surface is fully reflecting surface.
6. high-power laser roll class according to claim 1 surface double end integrated focusing texturing process device, it is characterized in that: the lateral separation between described two integrated focusing heads is N * Δ X, Δ X=50～500 μ m, fore-and-aft distance is Δ Y.
7. high-power laser roll class according to claim 1 surface double end integrated focusing texturing process device, it is characterized in that: vertical dot spacing b=50～500 μ m that described helical scanning line lattice texturing hole distributes, crosswise spots separation delta X=50～500 μ m, scan line pitch P=2 * N * Δ X.
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| CN 201020185508 CN201755721U (en) | 2010-05-11 | 2010-05-11 | High-power laser roller surface double-head integration focusing texturing processing device |
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| CN 201020185508 CN201755721U (en) | 2010-05-11 | 2010-05-11 | High-power laser roller surface double-head integration focusing texturing processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699524A (en) * | 2012-05-25 | 2012-10-03 | 武汉华工激光工程有限责任公司 | Method and device for processing multi-head laser disordered and textured roller surface |
| CN104551408A (en) * | 2014-12-23 | 2015-04-29 | 中国科学院力学研究所 | System and method for multi-beam synthesizing and focusing type roll surface texturing laser processing |
-
2010
- 2010-05-11 CN CN 201020185508 patent/CN201755721U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699524A (en) * | 2012-05-25 | 2012-10-03 | 武汉华工激光工程有限责任公司 | Method and device for processing multi-head laser disordered and textured roller surface |
| CN102699524B (en) * | 2012-05-25 | 2016-03-02 | 武汉华工激光工程有限责任公司 | A kind of processing method of multiple head laser disordered texturing roller surface and process equipment |
| CN104551408A (en) * | 2014-12-23 | 2015-04-29 | 中国科学院力学研究所 | System and method for multi-beam synthesizing and focusing type roll surface texturing laser processing |
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Granted publication date: 20110309 Termination date: 20140511 |