CN103182605A - Laser welding machine - Google Patents
Laser welding machine Download PDFInfo
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- CN103182605A CN103182605A CN2013100918470A CN201310091847A CN103182605A CN 103182605 A CN103182605 A CN 103182605A CN 2013100918470 A CN2013100918470 A CN 2013100918470A CN 201310091847 A CN201310091847 A CN 201310091847A CN 103182605 A CN103182605 A CN 103182605A
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Abstract
The invention relates to a laser welding machine comprising an enclosure, a laser generator, a light beam expander connected with the laser generator, a reflection mirror located right below the light beam expander, a beam splitter mirror I, and a lens located right below the beam splitter mirror I, wherein the beam splitter mirror I and a mirror surface of the reflection mirror are parallel to each other and positions of the beam splitter mirror I and the mirror surface correspond to each other; and an incident plane and/or an emergent plane of the beam splitter mirror I are/is provided with coating films/a coating film. The invention provides the efficient laser welding machine which is long in service life, simple in maintenance and stable in system; and an optical lens is used for focusing to realize high-precision welding in a non-contact type manner.
Description
Technical field
The present invention relates to welding equipment, be specially the laser-beam welding machine in fields such as can be used for electronic devices and components welding, reparation, optical communication.
Background technology
A lot of fields such as modern electronic product production, optical communication, household electrical appliance all need circuit board that control and signal element are provided, along with the miniaturization of electronic devices and components and the use of a large amount of integrated circuits, solder joint is more and more littler, spacing between the solder joint is also more and more littler, and the welding to circuit board element has proposed more and more higher requirement like this.
Bonding machine mainly contains resistance-type bonding machine and reverse-flow type bonding machine at present.The resistance-type bonding machine adopts one to have the resistance head of making than the material of big resistance value, heats under the function of current, and the mode by the contact welding material realizes welding purpose then.The resistance head firing rate is restricted, weares and teares easily as consumable accessory, needs often to change, and changing back equipment itself need adjustment again, and the resistance head size is single, can't stochastic transformation, and these all can influence the efficient of production line.When the components and parts solder joint more and more hour is subjected to the restriction of resistance head physical size, be difficult to realize high-quality welding with the resistance head heating; This kind equipment arrives control panel by thermocouple sensing temperature feedback information usually, and feedback time is slow, and it is long that resistance head reaches the new desired temperature time, and temperature accuracy is poor, and these all can influence welding quality.
The reverse-flow type bonding machine adopts thermal-radiating principle, and heating entire circuit plate is by the components and parts on the heat conducting method heated substrates.Reverse-flow type is welded on the problem that has solved welding efficiency to a certain extent, has also reduced the cost of large-scale production.The main advantage of reverse-flow type welding is in the welding of SMD components and parts, but increasing components and parts belong to the temperature sensitivity components and parts, utilize the reverse-flow type welding can't Selective Control for temperature, the existence of simultaneously a large amount of plug-in type components and parts can't be adopted the reverse-flow type solder technology.
Summary of the invention
The object of the present invention is to provide a kind of long service life, safeguard simply, the efficient laser-beam welding machine of system stability, and utilize optical lens to focus on the high accuracy welding of the contactless mode of realization.
To achieve the above object, the present invention adopts following technical scheme:
The invention provides a kind of laser-beam welding machine, comprise casing, laser generator, the light beam expander that is connected with laser generator, be positioned at the speculum under the light beam expander, spectroscope one is positioned at the lens under the spectroscope one, described spectroscope one be parallel to each other with mirror mirror and the position corresponding, the plane of incidence and/or the exit facet of described spectroscope one are coated with plated film.
As a further improvement on the present invention: also be provided with temperature inductor, described temperature inductor be positioned at spectroscope one directly over, described temperature inductor is electrically connected by the laser controller realization of its temperature controller and laser generator.
As a further improvement on the present invention: also set up image capturing system, increased spectroscope two, described spectroscope two is realized the transmission of light by another speculum between described spectroscope two and the image capturing system between temperature inductor and spectroscope one.
Spectroscope one has plated film at laser entrance face and/or exit facet among the present invention, and plated film can be realized by ways such as ion sputterings.Spectroscope one behind the plated film possesses and satisfies 95% to 99% the anaclasis characteristic in the lens.
Concrete operation principle of the present invention is: laser controller carries certain voltage and current to laser generator, laser generator produces laser and exports through optical fiber, output back light beam enters the light beam expander and becomes directional light, change light path through speculum then and be refracted to spectroscope, refract to lens through spectroscope one, focusing function through lens focuses the light on the components and parts to be welded, reaches the purpose of contactless welding.
The temperature inductor of setting of the present invention is monitored with the actual temperature of contactless mode butt welding point according to the IR wavelength that passes spectroscope one, spectroscope two and lens and by temperature controller temperature signal is fed back to laser controller.If detected temperature departure design temperature, laser controller are adjusted accordingly it automatically and are transported to voltage and/or electric current in the laser generator.
Spectroscope two will be from the light of solder joint reflection, and a part of direct projection is to temperature sensor, and another part refraction enters image capturing system by speculum; Image capturing system is input to image processor after collecting the picture signal of solder joint, shows, identifies by image processor, welding work pieces is monitored, and warning function can be set.
Description of drawings
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is the structural representation of laser-beam welding machine.
Among the figure: 1. laser generator; 2. light beam expander; 3. speculum; 3 '. speculum; 4. spectroscope two; 5. temperature sensor; 6. image capturing system; 7. laser; 8. spectroscope one; 9. lens; 10. infrared ray; 11. workpiece; 12. workbench.
The specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with drawings and Examples the present invention is done to describe in further detail, this embodiment only is used for explaining the present invention, protection scope of the present invention is not constituted to limit.
Embodiment, as depicted in figs. 1 and 2: the present invention relates to a kind of laser-beam welding machine, comprise casing, laser generator 1, the light beam expander 2 that is connected with laser generator is positioned at the speculum 3 under the light beam expander, spectroscope 1, be positioned at the lens 9 under the spectroscope 1, described spectroscope 1 be parallel to each other with speculum 3 minute surfaces and the position corresponding.
The operating current of laser generator 1 is controlled usually at 10 to 100 amperes in the present embodiment, the material of speculum 3 is generally inorganic material, smooth surface, its light refractive index can satisfy light in the full emission of its surface realization decay, and the laser wavelength that this material produces at laser generator does not have absorption or absorbs very little; Spectroscope 1 is that inorganic material forms through polishing, the optical transparency that this material for laser light device produces; Spectroscope 1 has plated film at laser entrance face and/or exit facet, and plated film can be realized by ways such as ion sputterings.Spectroscope 1 behind the plated film possesses and satisfies 95% to 99% the anaclasis characteristic in the lens.Lens 9 can be an eyeglass, also can be lens set.Lens 9 will focus on through the laser beam of spectroscope one on the workpiece to be welded 11 of working face 12.
In order to realize the control to laser intensity, improve welding quality, as shown in Figure 2: the present invention is provided with temperature inductor 5, described temperature inductor 5 be positioned at spectroscope 1 directly over, described temperature inductor 5 is electrically connected with the laser controller realization of laser generator 1 by its temperature controller.The ultrared wavelength that temperature inductor produces when detecting welding work pieces by contactless mode, the actual temperature of butt welding point is monitored and by temperature controller temperature signal is fed back to laser controller.If detected temperature departure design temperature, laser controller are adjusted accordingly it automatically and are transported to voltage and/or electric current in the laser generator.The operating frequency of temperature inductor is for being not less than 100 hertz among the present invention, and temperature inductor and temperature controller are generally the monitoring error of temperature and are not more than 0.05%.Monitor temperature to the general control of departing from of design temperature 0.1% to 0.5%.The voltage output accuracy of laser controller is being not less than 0.1V, and the electric current output accuracy is for being not less than 0.1 ampere.Laser controller can control laser generator in a continuous manner, modulation system or quasi-continuous mode work.If under modulation system, work, its modulating frequency be 50 hertz to 50 KHzs.The centre wavelength of laser instrument is from 0.5 micron to 20 microns.
For better monitoring to welding quality, also comprise spectroscope 24 and image capturing system 6, described spectroscope 24 is realized the transmission of light by another speculum 3 ' between described spectroscope 24 and the image capturing system 6 between temperature inductor 5 and spectroscope 1.Spectroscope 24 will be from the light of solder joint reflection, part direct projection is to temperature sensor 5, another part refraction enters image capturing system 6 by speculum, image capturing system 6 is input to image processor after collecting the picture signal of solder joint, image processor possesses the ability of image demonstration, identification and defect analysis, image processor has warning function simultaneously, if detected abnormal conditions such as weld defect, image processor can show and is welded with the unusual alarm signal of Denging, this signal can be figure signal, animation signal, audio signal or their combination.When caution occurring, laser-beam welding machine can be selected break-off, perhaps by the parts transmission system defective parts is taken out.Transmission system can be loaded with parts and move at two dimensional surface.Image capturing system can be collection of simulant signal, also can be digital signal acquiring.Spectroscope two is formed through polishing by inorganic material usually, but plated film, and it possesses the light direct beam that satisfies 45% to 55%, the characteristic of 55% to 45% anaclasis.
Laser-beam welding machine among the present invention utilizes a kind of solid state laser, is excited to send coherent light under certain voltage and electric current, and this coherent light focuses on the position that needs welding then by transmission, realizes contactless Fast Heating and welding; The butt welding point position utilizes contactless mode to realize the high-acruracy survey of temperature in welding, and forms the loop with the control system of laser instrument, realizes accuracy control over temperature.Laser can utilize lens that hot spot is regulated after by optical fibre transmission, and the control spot size.After each solder joint welding is finished, by the real-time imaging transmission, the solder joint image is transferred to signal processing unit, utilize software butt welding point welding quality to carry out the automated intelligent analysis, to guarantee welding quality.Workpiece to be welded transmits by two dimension or three-dimensional platform, realizes the continuous operation of workpiece.
Claims (3)
1. laser-beam welding machine, it is characterized in that: comprise casing, laser generator, the light beam expander that is connected with laser generator, be positioned at the speculum under the light beam expander, spectroscope one is positioned at the lens under the spectroscope one, described spectroscope one be parallel to each other with mirror mirror and the position corresponding, the plane of incidence and/or the exit facet of described spectroscope one are provided with plated film.
2. laser-beam welding machine according to claim 1, it is characterized in that: also comprise temperature inductor, described temperature inductor be positioned at spectroscope one directly over, described temperature inductor is electrically connected by the laser controller realization of its temperature controller and laser generator.
3. laser-beam welding machine according to claim 1 and 2, it is characterized in that: also comprise spectroscope two and image capturing system, described spectroscope two is realized the transmission of light by another speculum between described spectroscope two and the image capturing system between temperature inductor and spectroscope one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100918470A CN103182605A (en) | 2013-03-21 | 2013-03-21 | Laser welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100918470A CN103182605A (en) | 2013-03-21 | 2013-03-21 | Laser welding machine |
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| CN103182605A true CN103182605A (en) | 2013-07-03 |
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| CN2013100918470A Pending CN103182605A (en) | 2013-03-21 | 2013-03-21 | Laser welding machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842070A (en) * | 2015-05-13 | 2015-08-19 | 北京万恒镭特机电设备有限公司 | Laser eutectic soldering device and method |
| WO2016172992A1 (en) * | 2015-04-28 | 2016-11-03 | 东台精机股份有限公司 | Laser cladding tool head and to-be-processed surface sensing method therefor |
| CN106194127A (en) * | 2016-09-28 | 2016-12-07 | 吉林市旭峰激光科技有限责任公司 | A kind of laser perforating system and method thereof |
| CN107296749A (en) * | 2017-06-19 | 2017-10-27 | 长春呈实健康实业有限公司 | A kind of smooth moxibustion instrument |
| CN108213629A (en) * | 2018-01-22 | 2018-06-29 | 深圳市迈威测控技术有限公司 | Intelligent Laser tin soldering equipment |
| CN109926718A (en) * | 2019-04-30 | 2019-06-25 | 苏州沃特维自动化系统有限公司 | A kind of temperature-controlled laser welding system and method |
| CN112404632A (en) * | 2019-08-22 | 2021-02-26 | 台达电子工业股份有限公司 | Soldering device and system controller thereof |
| CN114131189A (en) * | 2021-10-27 | 2022-03-04 | 武汉凌云光电科技有限责任公司 | Annular laser welding device and method |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2454077Y (en) * | 2000-12-12 | 2001-10-17 | 魏学惠 | Optical device of laser processing machine |
| US20020158053A1 (en) * | 2001-04-25 | 2002-10-31 | Berthold Kessler | Method and sensor device for monitoring a laser machining operation to be performed on a work piece as well as laser machining head with a sensor device of the kind |
| DE10225450A1 (en) * | 2002-06-08 | 2003-12-18 | Bosch Gmbh Robert | Fault detection method for laser machining process using evaluation of thermal images provided by camera |
| CN1729076A (en) * | 2002-12-20 | 2006-02-01 | 皇家飞利浦电子股份有限公司 | A method and a device for laser spot welding |
| CN101020277A (en) * | 2007-03-22 | 2007-08-22 | 苏州德龙激光有限公司 | Distributed laser processing system |
| CN200972540Y (en) * | 2006-09-29 | 2007-11-07 | 迪伸电子股份有限公司 | Laser module with spectral structure |
| CN101318264A (en) * | 2008-07-07 | 2008-12-10 | 苏州德龙激光有限公司 | Design method for ultraviolet laser machining apparatus for cutting wafer |
| CN101477306A (en) * | 2009-01-21 | 2009-07-08 | 中国科学院上海光学精密机械研究所 | High-speed multi-beam parallel laser direct-writing device |
| CN101502916A (en) * | 2009-03-04 | 2009-08-12 | 天津大学 | Laser multi-point automatic welding and sealing method as well as welding device of metallized fiber optic sensor |
| US20090200279A1 (en) * | 2008-02-11 | 2009-08-13 | Jiping Li | Automatic focus and emissivity measurements for a substrate system |
| CN101774090A (en) * | 2009-12-25 | 2010-07-14 | 武汉凌云光电科技有限责任公司 | High-power semiconductor laser constant-temperature welding device |
| CN101774089A (en) * | 2009-12-25 | 2010-07-14 | 武汉凌云光电科技有限责任公司 | Laser focusing system realizing coaxial temperature measuring and imaging |
| CN201752818U (en) * | 2010-06-22 | 2011-03-02 | 深圳市大族激光科技股份有限公司 | Laser splitting device |
| CN102023614A (en) * | 2010-10-08 | 2011-04-20 | 深圳市大族激光科技股份有限公司 | Laser welding device |
| CN202591833U (en) * | 2012-01-11 | 2012-12-12 | 南京波长光电科技有限公司 | Laser welding head |
| CN102825385A (en) * | 2012-09-18 | 2012-12-19 | 张俊敏 | Non-contact temperature monitoring device for laser welding |
| CN203156233U (en) * | 2013-06-28 | 2013-08-28 | 常州镭赛科技有限公司 | Laser-beam welding machine |
-
2013
- 2013-03-21 CN CN2013100918470A patent/CN103182605A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2454077Y (en) * | 2000-12-12 | 2001-10-17 | 魏学惠 | Optical device of laser processing machine |
| US20020158053A1 (en) * | 2001-04-25 | 2002-10-31 | Berthold Kessler | Method and sensor device for monitoring a laser machining operation to be performed on a work piece as well as laser machining head with a sensor device of the kind |
| DE10225450A1 (en) * | 2002-06-08 | 2003-12-18 | Bosch Gmbh Robert | Fault detection method for laser machining process using evaluation of thermal images provided by camera |
| CN1729076A (en) * | 2002-12-20 | 2006-02-01 | 皇家飞利浦电子股份有限公司 | A method and a device for laser spot welding |
| CN200972540Y (en) * | 2006-09-29 | 2007-11-07 | 迪伸电子股份有限公司 | Laser module with spectral structure |
| CN101020277A (en) * | 2007-03-22 | 2007-08-22 | 苏州德龙激光有限公司 | Distributed laser processing system |
| US20090200279A1 (en) * | 2008-02-11 | 2009-08-13 | Jiping Li | Automatic focus and emissivity measurements for a substrate system |
| CN101318264A (en) * | 2008-07-07 | 2008-12-10 | 苏州德龙激光有限公司 | Design method for ultraviolet laser machining apparatus for cutting wafer |
| CN101477306A (en) * | 2009-01-21 | 2009-07-08 | 中国科学院上海光学精密机械研究所 | High-speed multi-beam parallel laser direct-writing device |
| CN101502916A (en) * | 2009-03-04 | 2009-08-12 | 天津大学 | Laser multi-point automatic welding and sealing method as well as welding device of metallized fiber optic sensor |
| CN101774090A (en) * | 2009-12-25 | 2010-07-14 | 武汉凌云光电科技有限责任公司 | High-power semiconductor laser constant-temperature welding device |
| CN101774089A (en) * | 2009-12-25 | 2010-07-14 | 武汉凌云光电科技有限责任公司 | Laser focusing system realizing coaxial temperature measuring and imaging |
| CN201752818U (en) * | 2010-06-22 | 2011-03-02 | 深圳市大族激光科技股份有限公司 | Laser splitting device |
| CN102023614A (en) * | 2010-10-08 | 2011-04-20 | 深圳市大族激光科技股份有限公司 | Laser welding device |
| CN202591833U (en) * | 2012-01-11 | 2012-12-12 | 南京波长光电科技有限公司 | Laser welding head |
| CN102825385A (en) * | 2012-09-18 | 2012-12-19 | 张俊敏 | Non-contact temperature monitoring device for laser welding |
| CN203156233U (en) * | 2013-06-28 | 2013-08-28 | 常州镭赛科技有限公司 | Laser-beam welding machine |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016172992A1 (en) * | 2015-04-28 | 2016-11-03 | 东台精机股份有限公司 | Laser cladding tool head and to-be-processed surface sensing method therefor |
| CN106148946A (en) * | 2015-04-28 | 2016-11-23 | 东台精机股份有限公司 | Laser melting coating tool heads and finished surface method for sensing thereof |
| US20170304938A1 (en) * | 2015-04-28 | 2017-10-26 | Tongtai Machine & Tool Co., Ltd. | Laser cladding tool head and machined surface sensing method thereof |
| CN104842070A (en) * | 2015-05-13 | 2015-08-19 | 北京万恒镭特机电设备有限公司 | Laser eutectic soldering device and method |
| CN106194127A (en) * | 2016-09-28 | 2016-12-07 | 吉林市旭峰激光科技有限责任公司 | A kind of laser perforating system and method thereof |
| CN106194127B (en) * | 2016-09-28 | 2018-11-06 | 吉林市旭峰激光科技有限责任公司 | A kind of laser perforating system and its method |
| CN107296749A (en) * | 2017-06-19 | 2017-10-27 | 长春呈实健康实业有限公司 | A kind of smooth moxibustion instrument |
| CN108213629A (en) * | 2018-01-22 | 2018-06-29 | 深圳市迈威测控技术有限公司 | Intelligent Laser tin soldering equipment |
| CN109926718A (en) * | 2019-04-30 | 2019-06-25 | 苏州沃特维自动化系统有限公司 | A kind of temperature-controlled laser welding system and method |
| CN112404632A (en) * | 2019-08-22 | 2021-02-26 | 台达电子工业股份有限公司 | Soldering device and system controller thereof |
| US11628510B2 (en) | 2019-08-22 | 2023-04-18 | Delta Electronics, Inc. | Solder device and system controller thereof |
| CN114131189A (en) * | 2021-10-27 | 2022-03-04 | 武汉凌云光电科技有限责任公司 | Annular laser welding device and method |
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Application publication date: 20130703 |