CN203992817U - A kind of laser-beam welding machine - Google Patents
A kind of laser-beam welding machine Download PDFInfo
- Publication number
- CN203992817U CN203992817U CN201320702315.1U CN201320702315U CN203992817U CN 203992817 U CN203992817 U CN 203992817U CN 201320702315 U CN201320702315 U CN 201320702315U CN 203992817 U CN203992817 U CN 203992817U
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- laser
- optical system
- welding machine
- beam welding
- processing platform
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- 238000003466 welding Methods 0.000 title claims abstract description 65
- 230000003287 optical effect Effects 0.000 claims abstract description 40
- 239000013307 optical fiber Substances 0.000 claims abstract description 22
- 239000011368 organic material Substances 0.000 abstract description 8
- 239000004065 semiconductor Substances 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract description 6
- 229910010272 inorganic material Inorganic materials 0.000 abstract description 6
- 239000011147 inorganic material Substances 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 abstract description 6
- 238000004021 metal welding Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 25
- 238000005516 engineering process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 239000000835 fiber Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000003913 materials processing Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 241000931526 Acer campestre Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a kind of laser-beam welding machine, comprise laser instrument, laser alignment and beam expander optical system, Focused Optical system, processing platform and laser-beam welding machine control system, described laser-beam welding machine control system is controlled the relative position of laser focusing bundle and processing platform, it is characterized in that: described laser instrument is the optical fiber laser of 1.8 microns to 2.2 microns of wavelength, the laser of described laser instrument output focuses on the place to be welded of the workpiece on processing platform after laser alignment and beam expander optical system, Focused Optical system.That bonding machine of the present utility model has is simple in structure, stability is high, reliability is high, operating cost is low and high-power feature, is applicable to industrial environment and uses; Both can, for the welding of metal material, also can weld inorganic material, organic material, semi-conducting material and composite.
Description
Technical field
The utility model relates to a kind of laser processing device, is specifically related to a kind of laser-beam welding machine, and especially a kind of laser-beam welding machine that adopts optical fiber laser, belongs to Materialbearbeitung mit Laserlicht field.
Background technology
The material welding processing of laser is a kind of important processing technology that laser technology is applied to the fields such as modern industry, medicine equipment and high-end devices manufacture.
To carrying out welding processing between material (as metal material, inorganic material, organic material, semi-conducting material and composite etc.), conventionally adopt the methods such as mechanical pressure welding, arc welding, chemical adhesive, these methods exist a lot of shortcomings or deficiency, and, welding processing part low such as machining accuracy not high (solder side slightly grain), welding processing efficiency is easily difficult to weld between cracked, different materials, environmental pollution etc.Along with the fast development of laser technology, adopt laser to be also developed in nearest more than ten years the welding processing technology of material.The method of laser welding technology is, adopt computer-controlled laser beam to focus on the interface between different materials and control the movement of laser focusing bundle, laser focusing and material (as metal, organic and inorganic, semiconductor etc.) thus between have an effect on surface between different materials, produce material liquefy and realize between material interpenetrate, migration, mixing cured, thereby reach the object of welding between material.Laser welding technology has advantages of that existing other solder technology is incomparable, not only welding processing precision is high, working (machining) efficiency is high, workpiece is not easy cracked, and welding processing joint face is fine and smooth consistent, non-environmental-pollution etc., can realize high-speed automated production simultaneously.That the fields such as Technology for Modern Equipment process industry or medicine manufacture, material all exist a large amount of materials that need welding, as by metal material, the sheet material that inorganic material, organic material, semi-conducting material and composite etc. form, lean on section bar and extraordinary shape material etc., the above-mentioned material that these need to weld is in a large number carried out to laser weld processing, extensive, the high accuracy of these industrial circles, automated production etc. are significant.
In order to realize the laser weld between above-mentioned these various materials, the laser instrument that existing industrial processes industry adopts is conventionally carbon dioxide laser, ultraviolet solid-state laser, solid Nd: YAG laser instrument, solid Nd: YVO
3laser instrument and high-power 1 micron optical fiber laser instrument etc.The laser welding technology of above-mentioned these laser instruments of existing employing exists various defect, as adopts the solid Nd of 1 micron wave length: YAG laser instrument, solid Nd: YVO
3laser instrument and 1 micron optical fiber laser instrument, because organic material is very low to the absorption of these wavelength lasers, so these laser instruments are just very poor to the welding effect of the material that contains organic principle; And ultraviolet laser exist the life-span short, human body is had to the shortcomings such as harm, efficiency is low; Carbon dioxide laser also exists that efficiency is low, fuel factor is large, weld the defects such as coarse, is not suitable for precision welding processing.
Therefore, need to improve existing laser soldering device, to be suitable for the laser weld of various materials, improve stability and the reliability of device, guarantee welding quality.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of laser-beam welding machine, to adapt to the various materials welding demand of organic material particularly, improves stability and the reliability of laser-beam welding machine.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of laser-beam welding machine, comprise laser instrument, laser alignment and beam expander optical system, Focused Optical system, processing platform and laser-beam welding machine control system, described laser-beam welding machine control system is controlled the relative position of laser focusing bundle and processing platform, described laser instrument is the optical fiber laser of 1.8 microns to 2.2 microns of wavelength, and the laser of described laser instrument output focuses on the place to be welded of the workpiece on processing platform after laser alignment and beam expander optical system, Focused Optical system.
In technique scheme, described laser instrument is the pulse optical fiber of pulse width from tens femtoseconds to millisecond magnitude.
Laser Focusing focal length is 5 millimeters to 5000 millimeters.
In technique scheme, described Focused Optical system can be reflective Focused Optical system, can be also lens focus optical system, or is constituted by high-velocity scanning galvanometer and psychological field mirror optical focusing system far away.
Laser-beam welding machine of the present utility model can be for the welding processing of metal material, inorganic material, organic material, semi-conducting material and composite.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, bonding machine of the present utility model have simple in structure, stability is high, reliability is high, operating cost is low and high-power feature, be applicable to industrial environment and use.
2, the pulse laser that adopts high-repetition-rate, can make the otch of welding processing more level and smooth, and crudy is better, and improves working (machining) efficiency.
3, laser-beam welding machine of the present utility model both can, for the welding of metal material, also can weld inorganic material, organic material, semi-conducting material and composite; Being particularly suitable for some has characteristic absorption, contains organic principle and hydroxyl (OH 2 micron wave length laser
-) the laser weld processing of biomaterial.
4, the utility model adopts eye-safe optical maser wavelength, environmental protection.
Accompanying drawing explanation
Fig. 1 is the laser-beam welding machine principle schematic of embodiment mono-.
Fig. 2 is the laser-beam welding machine principle schematic of embodiment bis-.
Fig. 3 is the laser-beam welding machine principle schematic of embodiment tri-.
Wherein: 1, optical fiber laser; 2, laser alignment and beam expander optical system; 3, laser-beam welding machine control system; 4, reflective Focused Optical system; 5, processing platform; 6, workpiece; 7, lens focus optical system; 8, high-velocity scanning galvanometer; 9, psychological field mirror optical focusing system far away.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment mono-:
Shown in Figure 1, a bonding machine that adopts 2 micron optical fiber laser, primary structure comprises: optical fiber laser 1, laser alignment and beam expander optical system 2, laser-beam welding machine control system 3, reflective Focused Optical system 4, the processing platform 5 of output 1.8 to 2.2 micron wave length laser.In figure, what need welding is materials processing part 6.
The annexation of bonding machine each several part is: optical fiber laser 1 Output of laser of 2 micron wave lengths laser beam after laser alignment and beam expander optical system 2 obtains collimation and light beam expands; Pulsed optical fibre laser after collimating and expanding focuses on two materials processing part 6 interfaces that need welding after entering reflective Focused Optical system 4; The fiber laser beam focusing on has moved welding processing by welding procedure under laser-beam welding machine control system 3 is controlled on the materials processing part 6 of needs welding, and laser-beam welding machine control system 3 also provides the Synchronization Control between light source for processing and processing platform 5.
The wavelength of 2 micron wave length optical fiber lasers in above-mentioned laser-beam welding machine is 1.8 microns to 2.2 microns; Described laser is jointed fiber laser, can be also pulsed optical fibre laser, and pulse width is from tens femtoseconds to millisecond magnitude.
The material of the present embodiment welding can be metal material, inorganic material, organic material, semi-conducting material and composite.
The focal length of the reflective Focused Optical system that Laser Focusing is used can be from 5 millimeters to 5000 millimeters.
Embodiment bis-:
Shown in Figure 2, the bonding machine of a kind of employing 2 micron optical fiber laser, a bonding machine that adopts 2 micron optical fiber laser, primary structure comprises: optical fiber laser 1, laser alignment and beam expander optical system 2, laser-beam welding machine control system 3, lens focus optical system 7, the processing platform 5 of output 1.8 to 2.2 micron wave length laser.
The present embodiment adopts lens focus optical system, and the arrangement of device is different from embodiment mono-, but operation principle is similar.
Embodiment tri-:
Shown in Figure 3, the bonding machine of a kind of employing 2 micron optical fiber laser, primary structure comprises: the bonding machine of a kind of employing 2 micron optical fiber laser, comprising: 1.8 to 2.2 micron wave length optical fiber lasers 1, laser alignment and the beam expander optical system 2 of output, laser-beam welding machine control system 3, high-velocity scanning galvanometer 8, psychological field mirror optical focusing system 9 far away, processing platform 5.What need welding is bi-material workpiece 6.
Optical fiber laser 1 Output of laser of 2 micron wave lengths laser beam after laser alignment and beam expander optical system 2 obtains collimation and light beam expands; Fiber laser beam after collimating and expanding enters into a high-velocity scanning galvanometer 8, and high-velocity scanning galvanometer 8 makes fiber laser beam in the upper mobile laser weld action that realizes of needs welding material (being fixed on processing platform 5) by welding procedure under the control of laser-beam welding machine control system 3; After fiber laser beam after high-velocity scanning galvanometer 8 enters a psychological field mirror optical focusing system 9 far away, laser beam focuses on the material 6 that needs welding, laser spot diameter after focusing is tens hot spots to hundreds of micron size, the feature of this psychological field mirror optical focusing system far away is all to impinge perpendicularly on and need on welding processing material interface at whole materials processing face laser focusing bundle, thereby guarantees that all material welding processing face is even.
Claims (6)
1. a laser-beam welding machine, comprise laser instrument, laser alignment and beam expander optical system, Focused Optical system, processing platform and laser-beam welding machine control system, described laser-beam welding machine control system is controlled the relative position of laser focusing bundle and processing platform, it is characterized in that: described laser instrument is the optical fiber laser of 1.8 microns to 2.2 microns of wavelength, the laser of described laser instrument output focuses on the place to be welded of the workpiece on processing platform after laser alignment and beam expander optical system, Focused Optical system.
2. laser-beam welding machine according to claim 1, is characterized in that: described laser instrument is the pulse optical fiber of pulse width from tens femtoseconds to millisecond magnitude.
3. laser-beam welding machine according to claim 1, is characterized in that: Laser Focusing focal length is 5 millimeters to 5000 millimeters.
4. laser-beam welding machine according to claim 1, is characterized in that: described Focused Optical system is reflective Focused Optical system.
5. laser-beam welding machine according to claim 1, is characterized in that: described Focused Optical system is lens focus optical system.
6. laser-beam welding machine according to claim 1, is characterized in that: described Focused Optical system is constituted by high-velocity scanning galvanometer and psychological field mirror optical focusing system far away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320702315.1U CN203992817U (en) | 2013-11-08 | 2013-11-08 | A kind of laser-beam welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320702315.1U CN203992817U (en) | 2013-11-08 | 2013-11-08 | A kind of laser-beam welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203992817U true CN203992817U (en) | 2014-12-10 |
Family
ID=52032881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320702315.1U Expired - Lifetime CN203992817U (en) | 2013-11-08 | 2013-11-08 | A kind of laser-beam welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203992817U (en) |
-
2013
- 2013-11-08 CN CN201320702315.1U patent/CN203992817U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200225 Address after: 311400 Hangzhou, Fuyang, Zhejiang province 9 Yin Hu Street, No. 9, No. 6, thirteen, floor 1317, innovation center. Patentee after: HANGZHOU YINHU LASER TECHNOLOGY Co.,Ltd. Address before: 215011 No. 209 Chuk Yuen Road, Suzhou New District, Jiangsu, Suzhou, China Patentee before: SUZHOU TUSEN LASER Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |