CN202984911U - Laser processing system - Google Patents
Laser processing system Download PDFInfo
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- CN202984911U CN202984911U CN 201220696234 CN201220696234U CN202984911U CN 202984911 U CN202984911 U CN 202984911U CN 201220696234 CN201220696234 CN 201220696234 CN 201220696234 U CN201220696234 U CN 201220696234U CN 202984911 U CN202984911 U CN 202984911U
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- laser
- power synthesizer
- processing system
- optical fiber
- fibre
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Abstract
The utility model relates to a laser processing system which comprises a laser power synthesizer, one or more laser modules, a laser coupler and a laser transmission system, wherein a plurality of input optical fibers are arranged at one end of the laser power synthesizer; a multiclad output optical fiber is arranged at the other end of the laser power synthesizer; the laser transmission system is a multiclad optical fiber; each laser module is connected with the laser coupler by a laser coupler input optical fiber; the laser coupler is connected with a plurality of input optical fiber ends of the laser power synthesizer by a plurality of laser coupler output optical fibers respectively; and a multiclad output optical fiber end of the laser power synthesizer and the laser transmission system are connected with an output piece. According to the laser processing system, lasers in different beam qualities are available in the same laser processing system, so that one laser system can have multiple processing functions, the flexibility of the laser processing system is improved greatly, and the system cost is lowered.
Description
Technical field
The utility model belongs to the laser-processing system field, relates in particular to a kind of laser-processing system based on multi-clad power combiner and transmission system.
Background technology
Optical fiber laser has that beam quality is excellent, conversion efficiency is high, full light channel structure, the advantage such as easy to maintenance, is widely used at present a lot of industrial circles, such as: material cutting, boring, welding, mark, cladding etc.For different materials, different commercial Application, different processing technologys need different beam qualities and pattern usually.Usually Q-switched pulse laser, usually be used for up to standard, high light beam quality (M
2＜2) middle high power continuous wave laser usually is used for the Precision Machining such as cutting, boring, and weld, the processing such as cladding usually needs multimode beam to complete.In the past, different manufacturing procedures needed different laser instruments to go to complete, and perhaps completed by changing the output optical fibre transmission system, had so greatly increased debug time and operation cost.All like automobile manufacturing fields, usually need constantly to apply to the processing technologys such as cutting, boring, welding, cladding in the automobile process, the general line that produces can be equipped with many machines, after perhaps completing a kind of operation, carry out next process by changing Transmission Fibers, this greatly reduces operational efficiency and cost.
The utility model is completed multiple processed and applied by a multi-clad, and in same optical fiber, when the accurate operations such as needs cutting, boring, the laser that can transmit high light beam quality is completed; When the operations such as needs welding, cladding, also can transmit multi-mode laser.The laser-processing system of this structure can guarantee that laser energy reaches workpiece to be machined with suitable working depth and zlasing mode, laser facula.
Summary of the invention
defective and problem that the utility model exists in order to overcome above-mentioned prior art, a kind of optical fiber power synthesizer and laser-processing system are provided, in many input optical fibres of the present utility model, be positioned at input optical fibre and the welding of multi-clad fibre core at middle part, be positioned at outer field input optical fibre and the welding of multi-clad covering, make in same multi-clad, can propagate simultaneously single-mode laser, few mould laser and multi-mode laser, the utility model is in same laser-processing system, the laser that can possess simultaneously different beam qualities, make same laser system, can possess simultaneously multiple machining functions, greatly expanded the flexibility of laser-processing system, reduced the cost of system.
For realizing that the technical scheme that the utility model purpose adopts is:
a kind of laser-processing system, comprise a laser power synthesizer, one or several laser modules, laser couplers and transmission laser system, it is characterized in that: described laser power synthesizer is many input optical fibres of an end and other end covering output optical fibre more than, described transmission laser system is a multi-clad, one or several laser modules are connected with laser couplers by a laser couplers input optical fibre respectively, laser couplers is connected with many input optical fibre ends of laser power synthesizer by some laser couplers output optical fibres respectively, covering output optical fibre end more than one and the transmission laser system of laser power synthesizer are connected to output.
Many input optical fibres of described laser power synthesizer through fused biconical taper, make it become a branch of fibre bundle by playing strand, binding, pyrocondensation or being through in same quartz ampoule.
Many input optical fibre solid matters of described optical fiber power synthesizer become a fibre bundle by grinding and polishing or plated film mode in same metal or porcelain bushing.
Many many coverings of input optical fibre Shu Yuyi root output optical fibres of described optical fiber power synthesizer combine by welding or mechanical fixing means.
The optical fiber at the middle part of the fibre bundle of described optical fiber power synthesizer is combined with the fibre core of multi-clad, and the external fiber of fibre bundle is combined with the covering of multi-clad.
Described transmission laser system is multi-clad, and the quartz pushrod welding of multi-clad and plated film.
Described laser-processing system comprises laser power synthesizer, laser module, laser couplers and transmission laser system, described laser power synthesizer is comprised of many input optical fibres and covering output optical fibre more than, described laser couplers connects laser module and laser power synthesizer, and described transmission laser system is comprised of multi-clad.
In many input optical fibres of the present utility model, be positioned at input optical fibre and the welding of multi-clad fibre core at middle part, be positioned at outer field input optical fibre and the welding of multi-clad covering, make in same multi-clad, can propagate simultaneously single-mode laser, few mould laser and multi-mode laser, the utility model is in same laser-processing system, the laser that can possess simultaneously different beam qualities, make same laser system, can possess simultaneously multiple machining functions, greatly expand the flexibility of laser-processing system, reduced the cost of system.
Description of drawings
Fig. 1 is overall construction drawing of the present utility model;
Fig. 2 a-1, Fig. 2 a-2, Fig. 2 a-3 are respectively the laser power synthesizer of 7 optical fiber of an end and open the laser of a middle optical fiber at the schematic diagram of fibre core and covering transmission.
The laser of the optical fiber schematic diagram that transmits of fibre core and the covering of six roots of sensation optical fiber around in the middle of the laser power synthesizer that Fig. 2 b-1, Fig. 2 b-2, Fig. 2 b-3 are respectively 7 optical fiber of an end cuts out.
Fig. 3 is the multi-clad refractive index profile;
Fig. 4 is multi-clad end cap structure chart;
Fig. 5 is single module laser-processing system structural representation of the present utility model;
The laser power synthesizer that Fig. 6 a-1, Fig. 6 a-2 are respectively 7 optical fiber of an end in the single module laser-processing system laser at the schematic diagram of fibre core and covering transmission.
The laser power that Fig. 6 b-1, Fig. 6 b-2 are respectively 7 optical fiber of an end is synthesized in the single module laser-processing system laser at the schematic diagram of fibre core and covering transmission.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
as shown in Figure 1, the utility model comprises a laser power synthesizer 120, three laser modules, laser couplers and transmission laser system 130, described laser power synthesizer is 7 input optical fibres of an end and other end covering output optical fibre more than, described transmission laser system is a multi-clad, three laser couplers input optical fibres (100 of three laser module difference, 101, 102) be connected with laser couplers, laser couplers is respectively by three root laser couplers output optical fibres (110, 111, 112) be connected with 7 input optical fibre ends of laser power synthesizer 120, covering output optical fibre end more than one and the transmission laser system 130 of laser power synthesizer 120 are connected to output 131.Laser couplers input optical fibre 100,101,102 as shown in Figure 1, output optical fibre 110,111,112, laser couplers passes through light path control, input optical fibre can be coupled in any output optical fibre, as input optical fibre 100 can with output optical fibre 110,111,112 any coupling fibers, coupling efficiency is generally greater than more than 95%.The laser coupled output optical fibre is by laser power synthesizer 120,7 20-400um doubly clad optical fibers as Laser output optical fiber, fibre core NA=0.07, by fused biconical taper, make 7 optical fiber become a branch of, wherein 7 middle optical fiber of optical fiber draw and have bored rear diameter at 16～17um, peripheral 6 fibre diameters are also at 16～17um, a branch of optical fiber maximum outside diameter is in 48～52um left and right, and wherein the every interior laser of optical fiber is strapped in fiber core, the covering of can not escaping out.Output optical fibre is multi-clad, as above routine said, output optical fibre is 3 cladded-fibers, is 20um as fibre core, NA=0.06-0.11, the first covering is 50um, and NA=0.15-0.22, triple clad are 250～500um, coat is low-refraction glue or silica gel, NA〉0.38, after the cutting of fibre bundle and multi-clad is flushed, by electrode discharge or CO
2Laser makes fibre bundle and multi-clad welding, such 7 20-400 optical fiber, and middle optical fiber is combined with multi-clad 20um fibre core, and peripheral 6 optical fiber are combined with multi-clad 50um the first covering.
When processing needs high light beam quality laser, lead to laser in an optical fiber in the middle of fibre bundle, as shown in Fig. 2 a-1, Fig. 2 a-2, Fig. 2 a-3; When needs cladding, welding etc. needed multi-mode laser, optical fiber inner laser in the middle of closing was opened 6 optical-fiber lasers on every side, as shown in Fig. 2 b-1, Fig. 2 b-2, Fig. 2 b-3.Still, can selectively open any one or more optical fiber inner lasers in 7 optical fiber, perhaps 7 all logical laser.Illustrate 7 laser modules, each modular power 1KW, each module output tail optical fiber 20-400um doubly clad optical fiber, M
2＜1.3, when needs high light beam quality laser was used for cutting metal, 1KW module in the middle of opening can be used for cutting 10mm with interior sheet metal, if in the time of need to being used for welding panel beating, can open peripheral 6 modules, can reach 7kw power.As shown in Figure 5, also can use single laser module, laser couplers can make input optical fibre be coupled to any output optical fibre, when needs high beam laser is, by controlling laser couplers, make laser module be coupled to middle laser beam input optical fibre, as shown in Fig. 6 a-1, Fig. 6 a-2; When the needs multi-mode laser, make laser module be coupled to an optical fiber of laser beam periphery, shown in Fig. 6 b-1, Fig. 6 b-2.This integrated multi-clad is completed multiple processed and applied, in same optical fiber, when the accurate operations such as needs cutting, boring are that the laser that can transmit high light beam quality is completed; When the operations such as needs welding, cladding, also can transmit multi-mode laser.The laser-processing system of this structure can guarantee that laser energy reaches workpiece to be machined with suitable working depth and laser facula.
As shown in Figure 3, be illustrated as the refractive index profile of 3 cladded-fibers in example, abscissa represents fibre diameter, and ordinate represents index distribution.Fibre core is the pure quartz of 20um doped with Ge, the first covering is the 50um pure quartz that undopes, the second covering is the pure quartz of 500um doped F, fibre core NA=0.06-0.11, can transmit few mould laser, simultaneously owing to being large mode-field structure optical fiber, nonlinear effect in the time of can overcoming high power, long Distance Transmission, generally can transmit 4KW with interior few mould laser, the first covering NA=0.15-0.22, can transmit multi-mode laser, simultaneously also can keep very excellent beam quality, the BPP of optical fiber Laser Transmission wants several times to be better than YAG and CO with power usually
2Laser instrument.
As shown in Figure 4, be illustrated as the optical fiber end cap of many cladding structures, multi-clad 140 and end cap 141 weldings, the fibre core laser of multi-clad is along end cap center propagation, the covering laser of multi-clad is propagated with the larger angle of divergence along end cap, fibre core laser and covering laser can be propagated in end cap simultaneously, are independent of each other.The end cap of this structure can make single-mode laser and multi-mode laser propagate in same end cap, and compact conformation is simple.
By 7 input optical fibre precisions are arranged in sleeve, then fit with the output multi-clad is accurate by the mode that machinery is fixed.This bundling device also can be made of the mode of fused biconical taper.
Laser power synthesizer of the present utility model also can be made as 19x1, totally 3 layers of optical fiber, and output optical fibre is 4 cladded-fibers, fibre core 20um, the first covering 50um, second covering 100um～200um, this structure 19x1 can power output 20KW.
Claims (6)
1. laser-processing system, comprise a laser power synthesizer, one or several laser modules, laser couplers and transmission laser system, it is characterized in that: described laser power synthesizer is many input optical fibres of an end and other end covering output optical fibre more than, described transmission laser system is a multi-clad, one or several laser modules are connected with laser couplers by a laser couplers input optical fibre respectively, laser couplers is connected with many input optical fibre ends of laser power synthesizer by some laser couplers output optical fibres respectively, covering output optical fibre end more than one and the transmission laser system of laser power synthesizer are connected to output.
2. laser-processing system as claimed in claim 1, it is characterized in that: many input optical fibres of described laser power synthesizer through fused biconical taper, make it become a branch of fibre bundle by playing strand, binding, pyrocondensation or being through in same quartz ampoule.
3. laser-processing system as claimed in claim 1, it is characterized in that: many input optical fibre solid matters of described optical fiber power synthesizer become a fibre bundle by grinding and polishing or plated film mode in same metal or porcelain bushing.
4. laser-processing system as claimed in claim 1, it is characterized in that: many many coverings of input optical fibre Shu Yuyi root output optical fibres of described optical fiber power synthesizer combine by welding or mechanical fixing means.
5. laser-processing system as claimed in claim 2 or claim 3, it is characterized in that: the optical fiber at the middle part of the fibre bundle of described optical fiber power synthesizer is combined with the fibre core of multi-clad, and the external fiber of fibre bundle is combined with the covering of multi-clad.
6. laser-processing system as claimed in claim 1, it is characterized in that: described transmission laser system is multi-clad, and the quartz pushrod welding of multi-clad and plated film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220696234 CN202984911U (en) | 2012-12-14 | 2012-12-14 | Laser processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220696234 CN202984911U (en) | 2012-12-14 | 2012-12-14 | Laser processing system |
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| Publication Number | Publication Date |
|---|---|
| CN202984911U true CN202984911U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220696234 Withdrawn - After Issue CN202984911U (en) | 2012-12-14 | 2012-12-14 | Laser processing system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056513A (en) * | 2012-12-14 | 2013-04-24 | 武汉锐科光纤激光器技术有限责任公司 | Laser processing system |
| CN103487901A (en) * | 2013-09-27 | 2014-01-01 | 武汉锐科光纤激光器技术有限责任公司 | Optical fiber laser bundle combining device |
| CN105921883A (en) * | 2016-06-22 | 2016-09-07 | 安徽中科镭泰激光科技有限公司 | Intelligent working machine |
| CN107660168A (en) * | 2015-04-22 | 2018-02-02 | 大众汽车股份公司 | Joining Device And Joining Method |
| CN112068247A (en) * | 2020-09-21 | 2020-12-11 | 上海无线电设备研究所 | Multi-wavelength laser coaxial transmitting system |
-
2012
- 2012-12-14 CN CN 201220696234 patent/CN202984911U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056513A (en) * | 2012-12-14 | 2013-04-24 | 武汉锐科光纤激光器技术有限责任公司 | Laser processing system |
| CN103056513B (en) * | 2012-12-14 | 2014-12-10 | 武汉锐科光纤激光器技术有限责任公司 | Laser processing system |
| CN103487901A (en) * | 2013-09-27 | 2014-01-01 | 武汉锐科光纤激光器技术有限责任公司 | Optical fiber laser bundle combining device |
| CN107660168A (en) * | 2015-04-22 | 2018-02-02 | 大众汽车股份公司 | Joining Device And Joining Method |
| CN107660168B (en) * | 2015-04-22 | 2020-08-11 | 大众汽车股份公司 | Joining device and joining method |
| CN105921883A (en) * | 2016-06-22 | 2016-09-07 | 安徽中科镭泰激光科技有限公司 | Intelligent working machine |
| CN112068247A (en) * | 2020-09-21 | 2020-12-11 | 上海无线电设备研究所 | Multi-wavelength laser coaxial transmitting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20141210 |
|
| RGAV | Abandon patent right to avoid regrant |