CN204234973U - The device of optical-fiber laser processed alumina pottery - Google Patents
The device of optical-fiber laser processed alumina pottery Download PDFInfo
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- CN204234973U CN204234973U CN201420692594.2U CN201420692594U CN204234973U CN 204234973 U CN204234973 U CN 204234973U CN 201420692594 U CN201420692594 U CN 201420692594U CN 204234973 U CN204234973 U CN 204234973U
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Abstract
The utility model relates to the device of optical-fiber laser processed alumina pottery, and comprise laser instrument, collimating mirror, optically-active system and the focus lamp arranged successively along light path, laser instrument sends laser, after collimating mirror, transfer collimated light beam to by the light dispersed; Light beam after collimation carries out shaping through optically-active system, and optically-active system is by the equally distributed circular iris of directional light light beam forming energy; After shaping, light beam enters focus lamp and realizes laser convergence, is coordinated and controls laser boring position, carry out high accuracy punching and monitor in real time drill process by auxiliary positioning image system.Realize pottery boring, line and cutting function, single point laser goes out different micropore (D≤1mm), has that hot spot is little, efficiency is high and low cost and other advantages.
Description
Technical field
The utility model relates to a kind of device of optical-fiber laser processed alumina pottery.
Background technology
Along with the development of science and technology, the application of pottery in the industry such as electronic product and LED illumination is also more and more extensive.According to the range of application of pottery, two kinds can be divided into: one is function ceramics, because it has special intrinsic physical characteristic (electric conductivity, magnetic, dielectricity, ferroelectricity and optical etc.), can be used as components and parts and be applied to electronic engineering field; Another kind is structural ceramics, and because its fusing point is high, intensity, chemical stability, mechanics thermal property, and the many aspects such as service life and reliability have significant advantage, are widely used as structural member to use.
For pottery after sintering, machining (diamond grinding processing) is considered to manufacturing process the most reliable and desirable so far, can meet the finished product requirement of high dimensional accuracy and high surface finish.But be only second to adamantine pottery for hardness, the processing cost (accounting for 60 ~ 90% of total cost) of great number and longer process-cycle cause holding at high price of high-quality high-precision ceramic cost; And after mechanical grinding processing, ceramic surface residual stress and plastic deformation have become the subject matter affecting ceramic product quality.
Current scholar forms to the hard brittle ceramic after sintering the study hotspot be processed in recent years, and its processing mode comprises supersonic speed vibration grinding, water jet machining, chemical process, electrical-chemistry method, beam-plasma processing and Laser Processing etc.Compare other processing modes, Laser Processing adopts to focus on and obtains high power light energy to material surface, make local material heating, fusing, decomposition, the removal of gasification realization to material, environmental requirement is not high to external world, and its crudy depends on the technological parameter of use, the optics of material and thermal characteristic.Laser Processing has untouchable, flexibility, high efficiency, easily realizes Digital Control point, is easy to CNC machine integration realization Three-dimension process, substantially lossless, low cost.
Along with device is towards microminiaturized, portable future development, more and more higher demand is proposed to circuit board miniaturization.Such as, in the live width of ceramic substrate below 50 μm, the precision of aperture is below 20 μm, and boring aperture is below 80 μm.Compare CO
2laser instrument is processed, and because its wavelength is longer, be subject to the restriction of the factor such as lens aberration, diffraction, the hot spot processed (containing heat affected area) all nearly 100 μm, is difficult to the application meeting pottery; And for wavelength processing shorter Ultra-Violet Laser (355nm) and green glow (532nm) although hot spot is less, but be subject to nanosecond pulse width, high-frequency, lower laser power (< 50W) and the factor restriction such as laser instrument is expensive, make its efficiency at Ceramic manufacturing significantly reduce and cannot carry out industrial scale applications.For above requirement, traditional processing method and device are difficult to be competent at.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art existence, provides a kind of device of optical-fiber laser processed alumina pottery.
The purpose of this utility model is achieved through the following technical solutions:
The device of optical-fiber laser processed alumina pottery, feature is: comprise laser instrument, beam expanding lens, optically-active system and the focus lamp arranged successively along light path, laser instrument is 1064nm infrared optical fiber laser instrument, optically-active system is installed under angular adjustment frame, focus lamp output is right against the three-dimensional platform for placing aluminium oxide ceramics, is provided with absorbent coating unit above described three-dimensional platform.
Further, the device of above-mentioned optical-fiber laser processed alumina pottery, described laser instrument is 1064nm infrared optical fiber QCW laser instrument.
Further, the device of above-mentioned optical-fiber laser processed alumina pottery, described optically-active system comprises two panels wedge-shaped lens, wherein the two sides of every sheet wedge-shaped lens is plane and inclined plane respectively, the plane of two panels wedge-shaped lens is outside, inclined plane is inside, and by mechanical part stationary wedge lens position, motor is connected with the belt drives be arranged on wedge-shaped lens.
Further, the device of above-mentioned optical-fiber laser processed alumina pottery, is furnished with auxiliary positioning image system above described three-dimensional platform.
The substantive distinguishing features that technical solutions of the utility model are outstanding and significant progress are mainly reflected in:
1. adopt 1064nm infrared optical fiber QCW laser instrument compared with common continuous wave laser, there is very high peak power and long pulsewidth, especially with during material effects by moment high-peak power heat, comparatively low duty ratio and material generation high temperature ablation remove material, make greatly to reduce heat-affected zone in this way; Good edge effect can be obtained;
Energy distribution is that the laser beam of Gaussian Profile changes angle by the wedge-shaped lens of its inside by 2. optically-active system, namely obtain the uniform different-diameter circular light spot (D≤1mm) of cross section energy density, the light beam after shaping can obtain better punching effect and efficiency; Not only circularity is excellent for the aperture of processing, and efficiency very high (without the need to usage platform interpolation);
3. absorbent is coated in position, aluminium oxide ceramics face by absorbent coating unit, increases ceramic surface region, Laser Processing place to the absorbability of laser, makes in process without hop;
4. realize pottery boring, line and the function such as cutting, single point laser goes out different micropore (D≤1mm), has that hot spot is little, efficiency is high and low cost and other advantages.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Fig. 1: light path schematic diagram of the present utility model;
Fig. 2: the operating diagram of optically-active system;
Fig. 3: process schematic diagram.
Detailed description of the invention
Adopt through optimization laser beam process, higher working (machining) efficiency can be obtained, not only raising efficiency, reduce costs, also can process less closeer micropore.
As shown in Figure 1, the device of optical-fiber laser processed alumina pottery, comprise the laser instrument 1 arranged successively along light path, collimating mirror 2, angle adjustment pin 3, optically-active system 4 and focus lamp 5, laser instrument 1 is 1064nm infrared optical fiber QCW laser instrument, optically-active system 4 is installed under angular adjustment frame 3, optically-active system 4 comprises two panels wedge-shaped lens, wherein the two sides of every sheet wedge-shaped lens is plane and inclined plane respectively, the plane of two panels wedge-shaped lens is outside, inclined plane inwards, by mechanical part fixing len position, the belt be fixed on eyeglass by driven by motor is rotated, eyeglass is made to present different angles after changing corresponding parameter, light beam goes out the circular light of different-diameter by optically-active system scan, focus lamp 5 output is right against the three-dimensional platform 6 for placing aluminium oxide ceramics, is provided with absorbent coating unit, is also furnished with auxiliary positioning image system above three-dimensional platform above three-dimensional platform 6.
Laser instrument 1 is 1064nm optical fiber laser, goes out optical mode, i.e. CW and QCW containing two kinds, and pulsewidth is that microsecond arrives a millisecond magnitude.1064nm infrared optical fiber QCW laser instrument is compared with common continuous wave laser, there is higher peak power and longer pulsewidth, especially passing through high-peak power with during material effects, comparatively low duty ratio, with the form of high temperature along river melted material, heat-affected zone and good edge effect can be reduced like this; Reduce the hardness of ceramic back side dross.
Fig. 2 is the operating diagram of optically-active system, Energy distribution is that the laser beam A of Gaussian Profile changes angle by the wedge-shaped lens of its inside by optically-active system 4, namely cross section energy density uniform different-diameter circular light spot B (D≤1mm) is obtained, light beam after shaping can obtain better punching effect and efficiency, as shown in Figure 3, single-spot realizes boring G by platform interpolation, single-spot is formed by optically-active needs the direct punching of the circular light spot of processing to realize boring Y, optically-active system 4 makes the good directional light of collimation preferentially pass through wedge-shaped lens, focus on three-dimensional platform 6 and process micropore in the mode of single-point punching.Round mode is drawn in the interpolation of contrast platform, and not only circularity is excellent for the aperture adopting this sample loading mode to process, and efficiency is also very high.
Absorbent to be coated near cutting head nozzle corresponding position, aluminium oxide ceramics face by absorbent coating unit, for increasing the ceramic surface region at Laser Processing place to the absorbability of laser, to ensure material in process without hop.
High-precision three-dimensional platform and high-resolution auxiliary positioning image system, to guarantee the positional precision of punching, can make the single punch precision controlling of equipment within 5 μm.Auxiliary positioning image system is made up of two parts, first paraxonic image: for the contraposition of Laser output center and sample machining center; Its two, recording image: the whole process of recording laser processing, thus machines the analysis of rear laser and sample effect principle for sample.
During embody rule, laser instrument 1 sends laser, obtains collimated light beam through collimating mirror 2; Light beam after collimation is through angular adjustment frame, after ensureing the vertical incidence of laser, shaping is carried out again through optically-active system 4, directional light light beam is formed the equally distributed annular aperture of circular power by optically-active system 4, realizes by the two panels wedge-shaped lens angle of adjustment optically-active system 4 circular light spot obtaining different pore size; After shaping, light beam enters focus lamp 5 and realizes laser convergence, is coordinated and controls laser boring position, carry out high position precision punching and monitor in real time drill process by auxiliary positioning image system.Taking into account line and punching simultaneously fast, dust collect plant is adopted to collect the dust produced in process.
In sum, the utility model realizes pottery boring, line and cutting, single point laser goes out different micropore (D≤1mm), solves the efficiency in laser drilling aperture process and effect problem, have also been enlarged the application of single point laser punching in micro-manufacture field simultaneously.Be specially adapted to the industry such as COB, LED illumination, in contrast to traditional C NC and CO
2laser equipment, the utility model has that hot spot is little, efficiency is high and low cost and other advantages.
It is to be understood that: the above is only preferred embodiment of the present utility model; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. the device of optical-fiber laser processed alumina pottery, it is characterized in that: comprise laser instrument, collimating mirror, angular adjustment frame, optically-active system and the focus lamp arranged successively along light path, laser instrument is 1064nm infrared optical fiber laser instrument, optically-active system is installed under angular adjustment frame, focus lamp output is right against the three-dimensional platform for placing aluminium oxide ceramics, is provided with absorbent coating unit above described three-dimensional platform.
2. the device of optical-fiber laser processed alumina pottery according to claim 1, is characterized in that: described laser instrument is 1064nm infrared optical fiber QCW laser instrument.
3. the device of optical-fiber laser processed alumina pottery according to claim 1, it is characterized in that: described optically-active system comprises two panels wedge-shaped lens, wherein the two sides of every sheet wedge-shaped lens is plane and inclined plane respectively, the plane of two panels wedge-shaped lens is outside, inclined plane is inside, by mechanical part stationary wedge lens position, motor is connected with the belt drives be arranged on wedge-shaped lens.
4. the device of optical-fiber laser processed alumina pottery according to claim 1, is characterized in that: be furnished with auxiliary positioning image system above described three-dimensional platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692594.2U CN204234973U (en) | 2014-11-19 | 2014-11-19 | The device of optical-fiber laser processed alumina pottery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692594.2U CN204234973U (en) | 2014-11-19 | 2014-11-19 | The device of optical-fiber laser processed alumina pottery |
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| CN204234973U true CN204234973U (en) | 2015-04-01 |
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| CN201420692594.2U Expired - Fee Related CN204234973U (en) | 2014-11-19 | 2014-11-19 | The device of optical-fiber laser processed alumina pottery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384727A (en) * | 2014-11-19 | 2015-03-04 | 苏州德龙激光股份有限公司 | Device for processing aluminum oxide ceramic by fiber laser and method thereof |
| CN108329054A (en) * | 2018-01-19 | 2018-07-27 | 天津科技大学 | The laser water jet heat treatment method of ceramic material |
| CN109366014A (en) * | 2018-12-21 | 2019-02-22 | 武汉欧双光电科技股份有限公司 | A kind of raw ceramic laser cutting equipment |
-
2014
- 2014-11-19 CN CN201420692594.2U patent/CN204234973U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384727A (en) * | 2014-11-19 | 2015-03-04 | 苏州德龙激光股份有限公司 | Device for processing aluminum oxide ceramic by fiber laser and method thereof |
| CN108329054A (en) * | 2018-01-19 | 2018-07-27 | 天津科技大学 | The laser water jet heat treatment method of ceramic material |
| CN109366014A (en) * | 2018-12-21 | 2019-02-22 | 武汉欧双光电科技股份有限公司 | A kind of raw ceramic laser cutting equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20161119 |