CN101746152A - Laser roller film engraving machine - Google Patents
Laser roller film engraving machine Download PDFInfo
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- CN101746152A CN101746152A CN 200810219794 CN200810219794A CN101746152A CN 101746152 A CN101746152 A CN 101746152A CN 200810219794 CN200810219794 CN 200810219794 CN 200810219794 A CN200810219794 A CN 200810219794A CN 101746152 A CN101746152 A CN 101746152A
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Abstract
The invention relates to the field of roller laser processing system, more particularly to a laser roller film engraving machine. Being a relatively advanced plate making way at present, roller film engraving technology is mainly characterized in processing in that: according to the trace of plate pattern, laser is applied to a protective layer which is pre-coated over the surface of a roller, the part of the surface of the roller, which is exposed due to the falloff of the protective layer, is the plate pattern to be processed, and the roller is then subject to corrosion treatment to finally form the plate pattern. As a special machine aiming at the above processing way, the laser roller film engraving machine comprises: a graphic and image processing system, a control system, a mechanical system, a laser and an optical system, wherein the optical system comprises an acoustic optic deflector to achieve the light-splitting and time-sharing control for laser, so that the processed plate pattern is more exquisite, and a double-layer optical fiber laser generator is adopted to realize high stability of laser power and excellent quality of light beam.
Description
Technical field
The utility model relates to an edition roller laser-processing system field, particularly a kind of laser roller film engraving machine.
Background technology
In recent years; the version roller is carved membrane technology becomes a kind of advanced plate-making mode; main processing characteristic is: act on edition protective layer of roller surface precoating with laser according to the forme pattern trace; the exposed part of publishing the roller surface of sag of protecting coating is the forme pattern; with version roller process burn into cleaning treatment, finally form the forme pattern again.But present laser engraving machine, mostly be by laser beam directly at version roller periphery processing forme pattern, not at above-mentioned processing method special-purpose laser engraving equipment.
Chinese patent CN1299723 discloses a kind of system of laser engraving version roller, and this system comprises: the carving device of laser version roller, CCD camera, computer control part and be used for the recirculated water cooling and the assist gas device of laser instrument.This device adopts multiple laser to focus on and closes bundle, has improved working (machining) efficiency, but still has had defective: this device is to adopt two above YAG laser instruments, but the beam quality of YAG laser instrument own is not high, and two above YAG laser instruments need two cover light path systems, have increased cost.
Summary of the invention
The objective of the invention is to propose a kind of laser roller film engraving machine, to solve the deficiencies in the prior art.
Concrete scheme is: the utility model and existing laser engraving machine structure are roughly the same, comprising: graph and image processing system, control system, body, optical system and be used for the water-cooling system and the pressure-vaccum wind system of optical system; Wherein body comprises workbench and protective cover, workbench comprises preceding bearing and the tailstock that is used to support processing version roller, preceding bearing is fixed on the workbench, tailstock is arranged on the guide rail of workbench, preceding bearing is equipped with servomotor and encoder, and servomotor and encoder link to each other with the main shaft of preceding bearing inside; Optical system is arranged on the supporting plate, and supporting plate is arranged on the guide rail of workbench; The water-cooling system of optical system, pressure-vaccum wind system are installed in the body.
Described optical system comprises: laser generator, beam-shrinked mirror, acousto-optic deflection device, speculum, beam expanding lens and light carving head, laser generator comprises a flange-cooled interface, the laser of output enters in the acousto-optic deflection device by the bundle device that contracts, the two-beam polarisation of its generation and key light block key light by the absorber on the 45 degree speculums, the two-beam polarisation enters beam expanding lens by 45 degree speculums, by the output of light carving head, wherein acousto-optic deflection device is connected with control system by lead again.
The invention has the advantages that: laser instrument is a pair of lamina optical-fiber laser generator, and double-deck optical fiber is than the fibre core one deck of manying inner cladding of ordinary optic fibre, thereby has strengthened the diameter and the acceptance angle of fibre core, has increased laser output energy.
Adopt acousto-optic deflection device, laser instrument produces two bundle laser by acousto-optic deflection device, and this double beams laser level does not have interference, acousto-optic deflection device is connected with control system, every Shu Jiguang can independently separately control its break-make, reaches the beam split timesharing control purpose of laser, makes Laser Processing more accurate.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is a three-dimensional structure diagram of the present invention.
Fig. 2 is the light path system structure chart.
Fig. 3 is the schematic diagram of acousto-optic deflection device.
Fig. 4 is the structural representation of double-deck optical fiber.
The specific embodiment
As shown in Figure 1, 2, the present invention includes: graph and image processing system 1, control system 2, body 4, optical system 5; Wherein body 4 comprises workbench 6 and protective cover 3, workbench 6 comprises preceding bearing 7 and the tailstock 8 that is used to support processing version roller, preceding bearing 7 is fixed on the workbench 6, tailstock 8 is arranged on the guide rail of workbench 6, preceding bearing 7 is equipped with servomotor 9 and encoder 10, and servomotor 9 and encoder 10 link to each other with the main shaft of preceding bearing 7 inside; Optical system 5 is arranged on the supporting plate 11, and supporting plate 11 is arranged on the workbench 6; Supporting plate 11 is provided with: laser generator 12, contract mirror 13, acousto-optic deflection device 14, speculum 15, beam expanding lens 16, beam expanding lens 16 comprises adjustment platform 19 that a height is adjustable up and down and light carving 17, laser generator 12 comprises a flange-cooled interface, the laser of output enters in the acousto-optic deflection device 14 by beam-shrinked mirror 13, the two-beam polarisation of its generation and key light block key light by the absorber before the speculum 15 18, the two-beam polarisation enters beam expanding lens 16 by speculum 15, again by 17 output of light carving, the double beams laser level does not have interference, reach the purpose of branch photocontrol, wherein acousto-optic deflection device 14 is connected with control system 2, control system 2 can be controlled the break-make of laser, needs according to processing, can control the break-make of every Shu Jiguang, thereby reach timesharing control.
As shown in Figure 3, control system 2 is real-time passes to processing signal driving power 22, driving power 22 affacts on the PZT (piezoelectric transducer) 21, PZT (piezoelectric transducer) 21 produces the ultrasonic wave of corresponding frequency and amplitude and imports acousto-optic medium 20 into, make it produce the respective phase grating, realized the timesharing control of laser.
As shown in Figure 4; laser generator 12 is the pair of lamina optical fiber laser, and double-deck optical fiber structure comprises: fibre core 26, protective layer 24, inner cladding 23, surrounding layer 25, inner cladding 23 increase the diameter of fibre core 26 and acceptance angle; can absorb high-luminance light in a large number, thereby strengthen laser output energy.
Claims (4)
1. laser roller film engraving machine comprises: graph and image processing system, control system, body, optical system and be used for the water-cooling system and the pressure-vaccum wind system of optical system; Wherein body comprises workbench and protective cover, workbench comprises preceding bearing and the tailstock that is used to support processing version roller, preceding bearing is fixed on the workbench, tailstock is arranged on the guide rail of workbench, preceding bearing is equipped with servomotor and encoder, and servomotor and encoder link to each other with the main shaft of preceding bearing inside; Optical system is arranged on the supporting plate, and supporting plate is arranged on the guide rail of workbench; The water-cooling system of optical system, the pressure-vaccum wind system is installed in the body, it is characterized in that: described optical system comprises: laser generator, beam-shrinked mirror, acousto-optic deflection device, speculum, beam expanding lens and light carving head, laser generator comprises a flange-cooled interface, the laser of output enters in the acousto-optic deflection device by the bundle device that contracts, the two-beam polarisation of its generation and key light block key light by the absorber of 45 degree before the speculums, the two-beam polarisation enters beam expanding lens by 45 degree speculums, by the output of light carving head, wherein acousto-optic deflection device is connected with control system by holding wire again.
2. a kind of laser roller film engraving machine according to claim 1 is characterized in that: described laser generator is double-deck optical fiber laser.
3. a kind of laser roller film engraving machine according to claim 1, it is characterized in that: acousto-optic deflection device comprises: acousto-optic medium, driving power, PZT (piezoelectric transducer); Laser instrument produces two bundle laser by acousto-optic deflection device, and this double beams laser hot spot level is tangent and do not have interference, and every Shu Jiguang can independent separately its break-make of control.
4. a kind of laser roller film engraving machine according to claim 1 is characterized in that: beam expanding lens comprises a height adjustable adjustment platform up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810219794 CN101746152B (en) | 2008-12-09 | 2008-12-09 | Laser roller film engraving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810219794 CN101746152B (en) | 2008-12-09 | 2008-12-09 | Laser roller film engraving machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101746152A true CN101746152A (en) | 2010-06-23 |
| CN101746152B CN101746152B (en) | 2011-04-27 |
Family
ID=42474030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810219794 Expired - Fee Related CN101746152B (en) | 2008-12-09 | 2008-12-09 | Laser roller film engraving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101746152B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602127A (en) * | 2012-03-09 | 2012-07-25 | 方平 | Blue-violet laser carving system and engraving method thereof |
| CN103950295A (en) * | 2014-04-15 | 2014-07-30 | 武汉嘉铭激光有限公司 | Audio-optical deflection laser marking method and device |
| CN104085174A (en) * | 2014-06-30 | 2014-10-08 | 太仓市虹鹰印花有限公司 | Laser gravure carving machine for printing |
| CN104275550A (en) * | 2013-07-10 | 2015-01-14 | 星云电脑股份有限公司 | Laser cutting machine capable of maintaining equal light beam size |
| CN108705205A (en) * | 2018-06-04 | 2018-10-26 | 佛山市同鑫智能装备科技有限公司 | A kind of furniture processing carving device and engraving process |
| CN111266742A (en) * | 2018-12-05 | 2020-06-12 | 罗伯特·博世有限公司 | Lens adjusting system of laser engraving machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4797696A (en) * | 1985-07-24 | 1989-01-10 | Ateq Corporation | Beam splitting apparatus |
| GB9311428D0 (en) * | 1993-06-03 | 1993-07-21 | Zed Instr Ltd | Laser engraving apparatus |
| CN1111110C (en) * | 1999-12-14 | 2003-06-11 | 中国科学院力学研究所 | Laser plate roller carving system and method |
| AU2002245119A1 (en) * | 2000-12-15 | 2002-07-30 | Sloan-Kettering Institute For Cancer Research | Beam-steering of multi-chromatic light using acousto-optical deflectors and dispersion-compensatory optics |
| US7483196B2 (en) * | 2003-09-23 | 2009-01-27 | Applied Materials, Inc. | Apparatus for multiple beam deflection and intensity stabilization |
| CN100458493C (en) * | 2006-12-01 | 2009-02-04 | 华中科技大学 | An ultrashort pulse laser scan device |
-
2008
- 2008-12-09 CN CN 200810219794 patent/CN101746152B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602127A (en) * | 2012-03-09 | 2012-07-25 | 方平 | Blue-violet laser carving system and engraving method thereof |
| CN104275550A (en) * | 2013-07-10 | 2015-01-14 | 星云电脑股份有限公司 | Laser cutting machine capable of maintaining equal light beam size |
| CN103950295A (en) * | 2014-04-15 | 2014-07-30 | 武汉嘉铭激光有限公司 | Audio-optical deflection laser marking method and device |
| CN104085174A (en) * | 2014-06-30 | 2014-10-08 | 太仓市虹鹰印花有限公司 | Laser gravure carving machine for printing |
| CN108705205A (en) * | 2018-06-04 | 2018-10-26 | 佛山市同鑫智能装备科技有限公司 | A kind of furniture processing carving device and engraving process |
| CN111266742A (en) * | 2018-12-05 | 2020-06-12 | 罗伯特·博世有限公司 | Lens adjusting system of laser engraving machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101746152B (en) | 2011-04-27 |
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Granted publication date: 20110427 Termination date: 20131209 |