CN103920992A - Light beam control device and laser processing system - Google Patents
Light beam control device and laser processing system Download PDFInfo
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- CN103920992A CN103920992A CN201410158156.2A CN201410158156A CN103920992A CN 103920992 A CN103920992 A CN 103920992A CN 201410158156 A CN201410158156 A CN 201410158156A CN 103920992 A CN103920992 A CN 103920992A
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- main part
- control device
- hole
- beam control
- laser
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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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a light beam control device and a laser processing system. The light beam control device comprises a first main body part and a second main body part which are fixedly installed, wherein the middle of the first main body part and the middle of the second main body part are correspondingly provided with a first through hole and a second through hole respectively; the sectional area of the first through hole is smaller than that of light beams; a plurality of cooling fins are arranged at the position, on the outer side of the second through hole, of the lower portion of the second main body part. The light beam control device is simple in structure, and can effectively control the size, shape and energy of the light beams of laser; as the light beam control device is additionally arranged in a light path of the laser processing system, the problems that laser beam waists and laser dots are too large and can not be shielded are solved, and smaller and more precise dots in ultra-thin light guide boards are processed.
Description
Technical field
The present invention relates to laser technology field, particularly relate to a kind of Beam Control device and laser-processing system.
Background technology
Backlight is divided into straight-down negative and side incident type according to the position distribution of light source, as lightening representative side incident type in occupation of main middle and high end market.Need to carry out accurate pattern processing to LGP in order to make the light source of side light-in backlight become uniform area source from line source.The pattern processing mode of LGP has printing, etching, method and the laser processing that utilizes laser beam that injection moulding etc. are physical.
Shown in ginseng Fig. 1, the light beam a ' that starts to launch from generating laser 1 ' in existing laser-processing system is radiated at light collecting lens 3 ' by speculum 2 ', and light beam a ' is formed light beam b ' and processed site at the upper focal length that forms of LGP 4 ' by the optically focused of light collecting lens 3 '.
In prior art, laser-processing system has following shortcoming:
1, the optical path of above-mentioned pattern processing machine forms focal length by light collecting lens 5 and processes site, but the laser beam of the generating laser of high-power processing LGP is because of technical limitations problem, in reduced, there is no small difficulty, and the focus of processing site is a point in theory, but in fact focus size is being subject to the impact of the f value of laser beam diameter and light collecting lens.
2,, because focal length is excessive, along with diminishing of light guide plate, although can make site diminish with little inch light collecting lens, also limited, the site size of existing Laser Processing cannot meet the requirement of thinner LGP.
Therefore,, for above-mentioned technical problem, be necessary to provide a kind of Beam Control device and laser-processing system.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of Beam Control device and laser-processing system.
To achieve these goals, the technical scheme that the embodiment of the present invention provides is as follows:
A kind of Beam Control device, described Beam Control device comprises hard-wired the first main part and the second main part, in the middle of described the first main part and the second main part, correspondence is provided with the first through hole and the second through hole, the sectional area of described the first through hole is less than the sectional area of light beam, and there are some radiating fins described the second main part below being positioned at the second through hole arranged outside.
As a further improvement on the present invention, the sectional area of described the first main part is less than or equal to the sectional area of the second main part.
As a further improvement on the present invention, be provided with at least 2 water cooling holes on described the second main part, water cooling is formed with water cooling passageway between hole.
As a further improvement on the present invention, described the first through hole is set to cylindrical, and the diameter of described the first through hole is less than the diameter of light beam.
As a further improvement on the present invention, described the second through hole is set to the cylindrical concentric with the first through hole, and the diameter of the second through hole is more than or equal to the diameter of the first through hole.
As a further improvement on the present invention, the material of described the first main part and/or the second main part is metal material.
As a further improvement on the present invention, the material of described the first main part and/or the second main part is aluminium material.
Correspondingly, a kind of laser-processing system, described laser-processing system comprises generating laser, speculum, Beam Control device and light collecting lens successively along the light path direction of propagation.
The present invention has following beneficial effect:
Beam Control apparatus structure is simple, can effectively realize the control of beam size, shape and energy to laser;
Laser-processing system is by adding Beam Control device in light path, solved that laser beam waist is excessive, the excessive problem that cannot cover in laser site, realized and on ultra-thin light guide board, carried out the less more accurate processing in site.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the light path schematic diagram of laser-processing system in prior art;
Fig. 2 is the light path schematic diagram of laser-processing system in the present invention;
Fig. 3 a, 3b, 3c are upward view, front view and the side view of Beam Control device in the embodiment of the invention;
Fig. 4 is the principle schematic of Beam Control device in the embodiment of the invention.
Detailed description of the invention
In order to make those skilled in the art person understand better the technical scheme in the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, should belong to the scope of protection of the invention.
Shown in ginseng Fig. 2, the invention discloses a kind of laser-processing system, this laser-processing system comprises generating laser 1, speculum 2, Beam Control device 3 and light collecting lens 4 successively along the light path direction of propagation.Its operation principle is specific as follows:
The the first laser beam a that starts transmitting from generating laser 1 reflects by speculum 2, folded light beam b passes through Beam Control device 3 and light collecting lens 4 successively, folded light beam b becomes little and lower powered the second laser beam c of diameter after by Beam Control device 3, and the second laser beam c is radiated at and on LGP 5, is carried out the less more accurate processing in site by light collecting lens 4.
Preferably, in the present invention to incide the incidence angle of speculum 2 be 45 ° to the first laser beam a, and the first laser beam a is mutually vertical with folded light beam b, certainly can different incidence angles be set according to the difference of laser equipment in other embodiments.
In the present invention, Beam Control device 3 is for controlling beam size, shape and the energy of the first laser beam a of generating laser transmitting.Below in conjunction with detailed description of the invention, the Beam Control device in the present invention is described further.
Shown in ginseng Fig. 3 a, 3b and 3c, in a detailed description of the invention of the present invention, Beam Control device 3 comprises the first main part 31 and the second main part 32, the first main part 31 is fixedly installed on the second main part 32, in the present embodiment, the first main part 31 and the second main part 32 are installed by bolt and screw, also can assemble by other mounting means in other embodiments.
Preferably, the sectional area of the first main part 31 is less than or equal to the sectional area of the second main part 32, as in the present embodiment, the first main part 31 is set to cuboid, the second main part 32 is set to cylinder, the sectional area of the first main part is less than the sectional area of the second main part, and the diameter of the second main part is less than or etc. the width of the first main part, so ensure that the first main part is all positioned on the second main part.The first main part 31 and the second main part 32 can be also other shapes in other embodiments, and the sectional area of the first main part 31 also can be greater than the sectional area of the second main part 32.
In the middle of the first main part 31, be provided with and be provided with the second through hole 321, the first through holes 311 in the middle of the first through hole 311, the second main parts 32 and the second through hole 321 is all set to cylindrical, and the first through hole 311 and the concentric setting of the second through hole 321.Preferably, the diameter of the second through hole 321 is greater than the diameter of the first through hole 311.The size and shape of the first through hole 311 and the second through hole 321 also can be set to other shapes according to demand in other embodiments.
In present embodiment, the diameter of the first through hole 311 is less than the diameter of laser beam, shown in Fig. 4, when laser beam irradiation is on Beam Control device 3 time, arranging of the first through hole can be controlled the size of light beam, shape, becomes the laser beam that diameter is less.
In present embodiment, there are some radiating fins 322 the second main part 32 belows being positioned at the second through hole 321 arranged outside, on the second main part, be provided with 2 water cooling holes 323, between 2 water cooling 323 holes, be formed with water cooling passageway (not shown), water cooling passageway is in the interior sinuous setting of the second main part 32.Certainly, the quantity of water cooling hole and water cooling passageway can arrange according to different demands.By the energy that can control laser beam that arranges of radiating fin and water cooling passageway.
Further, in present embodiment, the material of the first main part and the second main part is metal material, and as other heat radiation materials such as aluminum or aluminum alloy, the heat that so can more effectively cause laser dispels the heat.
On the first main part 31, be provided with and on the first installing hole 301, the second main parts 32, be provided with the second installing hole 302, the first main parts 31 and the second main part 32 fixedly mounts by the first installing hole 301 and the second installing hole 302, mounting means can be bolt etc.
In present embodiment, the first main part and the second main part are detachable installation, in the time that the size of the first through hole need to change, can change the first main part of different pore size, thereby change the control to laser beam.In other embodiments, if the aperture of through hole is changeless, the setting that also can be formed in one of the first main part and the second main part.
In sum, the present invention has following beneficial effect:
Beam Control apparatus structure is simple, can effectively realize the control of beam size, shape and energy to laser;
Laser-processing system is by adding Beam Control device in light path, solved that laser beam waist is excessive, the excessive problem that cannot cover in laser site, realized and on ultra-thin light guide board, carried out the less more accurate processing in site.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the present invention.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
1. a Beam Control device, it is characterized in that, described Beam Control device comprises hard-wired the first main part and the second main part, in the middle of described the first main part and the second main part, correspondence is provided with the first through hole and the second through hole, the sectional area of described the first through hole is less than the sectional area of light beam, and there are some radiating fins described the second main part below being positioned at the second through hole arranged outside.
2. Beam Control device according to claim 1, is characterized in that, the sectional area of described the first main part is less than or equal to the sectional area of the second main part.
3. Beam Control device according to claim 1, is characterized in that, is provided with at least 2 water cooling holes on described the second main part, and water cooling is formed with water cooling passageway between hole.
4. Beam Control device according to claim 1, is characterized in that, described the first through hole is set to cylindrical, and the diameter of described the first through hole is less than the diameter of light beam.
5. Beam Control device according to claim 4, is characterized in that, described the second through hole is set to the cylindrical concentric with the first through hole, and the diameter of the second through hole is more than or equal to the diameter of the first through hole.
6. Beam Control device according to claim 1, is characterized in that, the material of described the first main part and/or the second main part is metal material.
7. Beam Control device according to claim 6, is characterized in that, the material of described the first main part and/or the second main part is aluminium material.
8. a laser-processing system, it is characterized in that, described laser-processing system comprises generating laser, speculum, Beam Control device and light collecting lens successively along the light path direction of propagation, described Beam Control device is the Beam Control device described in any one in claim 1～7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410158156.2A CN103920992A (en) | 2014-04-18 | 2014-04-18 | Light beam control device and laser processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410158156.2A CN103920992A (en) | 2014-04-18 | 2014-04-18 | Light beam control device and laser processing system |
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| Publication Number | Publication Date |
|---|---|
| CN103920992A true CN103920992A (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410158156.2A Pending CN103920992A (en) | 2014-04-18 | 2014-04-18 | Light beam control device and laser processing system |
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| CN (1) | CN103920992A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872621A (en) * | 2021-01-21 | 2021-06-01 | 厦门兆松光电科技有限公司 | Table lamp light guide plate mesh point processing technology |
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| CN200993677Y (en) * | 2006-11-10 | 2007-12-19 | 深圳新辉达激光科技有限公司 | Water-cooled metal reflective mirror |
| CN201015821Y (en) * | 2007-03-30 | 2008-02-06 | 北京工业大学 | Laser anti-reflexion and luminous energy recycling device |
| CN101499603A (en) * | 2008-01-29 | 2009-08-05 | 力山工业股份有限公司 | Heat radiation apparatus for laser saw indicator |
| CN101799567A (en) * | 2010-04-06 | 2010-08-11 | 西安交通大学 | Strong-laser graphite diaphragm and method for manufacturing same |
| WO2012118425A1 (en) * | 2011-03-01 | 2012-09-07 | Applied Precision, Inc. | Laser beam irradiance control systems |
| CN102950382A (en) * | 2012-11-15 | 2013-03-06 | 宁波大学 | Laser direct writing etching system for etching electronically-controlled diffraction optical devices, and method thereof |
| CN103331522A (en) * | 2013-07-01 | 2013-10-02 | 苏州东山精密制造股份有限公司 | Light guide plate pattern machining equipment |
| CN103412399A (en) * | 2013-07-20 | 2013-11-27 | 中国科学院光电技术研究所 | Multi-inlet single-cavity type hot diaphragm cooling device for ground-based solar telescope |
-
2014
- 2014-04-18 CN CN201410158156.2A patent/CN103920992A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200993677Y (en) * | 2006-11-10 | 2007-12-19 | 深圳新辉达激光科技有限公司 | Water-cooled metal reflective mirror |
| CN201015821Y (en) * | 2007-03-30 | 2008-02-06 | 北京工业大学 | Laser anti-reflexion and luminous energy recycling device |
| CN101499603A (en) * | 2008-01-29 | 2009-08-05 | 力山工业股份有限公司 | Heat radiation apparatus for laser saw indicator |
| CN101799567A (en) * | 2010-04-06 | 2010-08-11 | 西安交通大学 | Strong-laser graphite diaphragm and method for manufacturing same |
| WO2012118425A1 (en) * | 2011-03-01 | 2012-09-07 | Applied Precision, Inc. | Laser beam irradiance control systems |
| CN102950382A (en) * | 2012-11-15 | 2013-03-06 | 宁波大学 | Laser direct writing etching system for etching electronically-controlled diffraction optical devices, and method thereof |
| CN103331522A (en) * | 2013-07-01 | 2013-10-02 | 苏州东山精密制造股份有限公司 | Light guide plate pattern machining equipment |
| CN103412399A (en) * | 2013-07-20 | 2013-11-27 | 中国科学院光电技术研究所 | Multi-inlet single-cavity type hot diaphragm cooling device for ground-based solar telescope |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872621A (en) * | 2021-01-21 | 2021-06-01 | 厦门兆松光电科技有限公司 | Table lamp light guide plate mesh point processing technology |
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Application publication date: 20140716 |