CN201913386U - Optical fiber transmission laser welding head - Google Patents
Optical fiber transmission laser welding head Download PDFInfo
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- CN201913386U CN201913386U CN 201020692649 CN201020692649U CN201913386U CN 201913386 U CN201913386 U CN 201913386U CN 201020692649 CN201020692649 CN 201020692649 CN 201020692649 U CN201020692649 U CN 201020692649U CN 201913386 U CN201913386 U CN 201913386U
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Abstract
The utility model relates to laser welding equipment, in particular to an optical fiber transmission laser welding head, which comprises an optical fiber connecting mechanism, a laser optical collimating mechanism, a laser optical focusing mechanism, a laser optical protective glass mechanism and an anti-splashing protection gas mechanism. One end of the laser optical collimating mechanism is connected with the optical fiber connecting mechanism in a threaded manner while the other end of the laser optical collimating mechanism is connected with one end of the laser optical focusing mechanism, the other end of the laser optical focusing mechanism is connected with laser optical protective glass mechanism, the anti-splashing protection gas mechanism is arranged below the laser optical protective glass mechanism, a divergent welding laser beam sent from the optical fiber connecting mechanism is changed into parallel light beams by the aid of a collimating lens of the laser optical collimating mechanism, the parallel light beams are focused to form light spots by the aid of a focus lens in the laser optical focusing mechanism, and the light spots are irradiated to materials to be welded through the laser optical protective glass mechanism. The optical fiber transmission laser welding head has the advantages that welding effect is fine, a protective glass can be changed quickly, optical lenses cannot be polluted, and the like.
Description
Technical field
The utility model relates to laser welding apparatus, specifically a kind of Optical Fiber Transmission laser instrument plumb joint.
Background technology
Laser weld is a kind of new welding procedure.So-called laser weld be exactly with high-intensity bombardment with laser beams to the metal surface, by the interaction of laser and metal, make metal molten form welding.In the interaction process of laser and metal, metal molten only is a kind of physical phenomenon wherein.Laser weld is by its bonding power density (being that laser output power is divided by facula area) branch LASER HEAT conduction welding and laser deep penetration welding again.
The laser heat conduction weld is that laser beam shines surface of the work, and the surface of the work heat forwards to diffusion inside by heat, by parameters such as control laser powers, make the workpiece fusing, form specific molten bath, along with moving of molten bath, cool off rapidly deposite metal behind the molten bath, and form welding.
The laser deep penetration welding promptly the power density on the laser facula enough big (＞106W/cm2) under the light beam irradiates, material production evaporation, formation aperture.This aperture that is full of steam almost all absorbs the energy of incident ray just as a black matrix, and vestibule inner equilibrium temperature reaches about 25000 ℃ of degree.Heat transmits out from this high temperature vestibule outer wall, makes the metal molten that surrounds this vestibule.Be filled in the high-temperature steam that the metal material continuous evaporation produces under the laser beam irradiation in the aperture, the aperture wall surrounds motlten metal, and liquid metal is all around promptly round solid material.The steam pressure of generation is at a stalemate and keeping dynamic equilibrium continuously in outer liquid flow of hole wall and parietal layer surface tension and the vestibule.Light beam constantly enters aperture, and the outer material of aperture is in continuous-flow, and along with light beam moves, aperture is in mobile stable state all the time.In other words, aperture and round the motlten metal of hole wall along with preceding light guide bundles pace moves forward, motlten metal is being filled into space and the condensation thereupon that stays after aperture is removed, so weld seam forms.
The utility model is a theoretical foundation with the laser welding technology, has developed Optical Fiber Transmission laser instrument plumb joint.
The utility model content
The purpose of this utility model is to provide a kind of effectively Optical Fiber Transmission laser instrument plumb joint of laser weld of realizing rationally in welding process.This laser instrument plumb joint can carry out the various forms of laser weld of multiple alloy.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises optical fiber bindiny mechanism, laser optics collimation mechanism, laser optics focusing, laser optics protective glass mechanism and the anti-protection mechanism of qi structure that splashes, wherein an end of laser optics collimation mechanism is threaded with optical fiber bindiny mechanism, the other end links to each other with an end of laser optics focusing, the other end of laser optics focusing is connected with laser optics protective glass mechanism, is provided with to prevent that spatter is splashed to the anti-protection mechanism of qi structure that splashes of laser optics protective glass mechanism below laser optics protective glass mechanism; The welding laser beam of dispersing that described optical fiber bindiny mechanism sends becomes collimated light beam by the collimating mirror in the laser optics collimation mechanism; this collimated light beam is focused into hot spot by the focus lamp in the laser optics focusing, and hot spot shines on the materials to be welded by the protective glass in the laser optics protective glass mechanism.
Wherein: coaxial weldering protection mechanism of qi structure has been threaded below the anti-protection mechanism of qi structure that splashes, this coaxial weldering protection mechanism of qi structure comprises the interior cover and the overcoat of coaxial setting, the outside of cover in sleeve thread is connected in, interior cover is hollow structure, leave the conical ring space between overcoat and interior cover, protection gas is by the bottom ejection in this conical ring space;
On the sidewall of the described anti-protection mechanism of qi structure that splashes side direction protection-gas welding mechanism is installed, this side direction protection-gas welding mechanism comprises fixed block and protector nozzle, wherein an end of protector nozzle is installed on the anti-protection mechanism of qi structure that splashes by fixed block, and the other end bends to solder joint; One termination of described protector nozzle has protection gas source of the gas;
Described laser optics collimation mechanism comprises cover, collimating mirror microscope base, collimating mirror, microscope base adjustment ring and Connection Block in first adpting flange, collimation main body overcoat, the collimation main body, wherein first adpting flange is fixed in the top of collimation main body overcoat, and optical fiber bindiny mechanism is installed on first adpting flange; External threading is connected in the inside of collimation main body overcoat in the described collimation main body, and the bottom of cover is threaded with Connection Block in the collimation main body, leaves first waterway between the cover in collimation main body overcoat and collimation main body; The cover internal whorl is connected with the collimating mirror microscope base in the collimation main body, and collimating mirror is installed in the microscope base adjustment ring screw-threaded coupling on the collimating mirror microscope base, by being connected with external threading in the collimation main body;
Described laser optics focusing links to each other with the laser optics collimation mechanism by screw, the laser optics focusing comprises plumb joint main body, focus lamp microscope base, focus lamp and microscope base retaining ring, wherein plumb joint main body internal thread is connected with the water-cooled module, the focus lamp microscope base is threadedly connected in the water-cooled module, leaves second waterway between water-cooled module and focus lamp microscope base; Described focus lamp is installed on the focus lamp microscope base, the microscope base retaining ring of the locking focus lamp that is threaded below the focus lamp microscope base;
Described laser optics protective glass mechanism links to each other with the laser optics focusing by screw, laser optics protective glass mechanism comprises protective glass upper flange, protection microscope base, protective glass lower flange, retaining ring, compressing tablet and protective glass, wherein the protective glass upper flange is connected with the protective glass lower flange by screw, the protection microscope base is installed on the protective glass lower flange, described protective glass is placed on the protection microscope base, protective glass is locked by the retaining ring that is threadedly connected on the protection microscope base that its top is provided with, and is provided with compressing tablet between retaining ring and protective glass; Be respectively equipped with first nut and second nut of being convenient to change protective glass on protective glass upper flange and the protective glass lower flange;
The described anti-protection mechanism of qi structure that splashes links to each other with laser optics protective glass mechanism by screw; the protection mechanism of qi structure of preventing splashing comprises second adpting flange, prevent splashing dividing plate and the outlet of protection gas, and wherein prevent splashing dividing plate and protection gas export the outside and the inside that is installed in second adpting flange respectively.
Advantage of the present utility model and good effect are:
1. welding laser facula Energy distribution of the present utility model is even, and welding effect is good.
2. the utility model can be when the input optical fibre diameter be determined, the collimating mirror and the focus lamp of apolegamy different size, thus reach required spot size.
3. the utility model is provided with the water-cooling system of circulation respectively in laser optics collimation mechanism and laser optics focusing, has avoided collimating mirror and focus lamp to cause focal shift because of thermal lensing effect takes place.
4. the protective glass in the laser optics protective glass of the present utility model mechanism can be convenient to quick replacing by unclamping the nut fast insert-pull.
5. the utlity model has the anti-protection mechanism of qi structure that splashes, avoided the Mars that optical mirror slip is splashed when welding to pollute.
6. the utility model also has coaxial weldering protection mechanism of qi structure and side direction protection-gas welding mechanism, and the protection of butt welded seam is effective during welding.
7. the utility model is applied widely, can be used for multiple lathe and robot.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the structure cutaway view of laser optics collimation mechanism among Fig. 1;
Fig. 4 is the structure cutaway view of laser optics focusing among Fig. 1;
Fig. 5 is the structure cutaway view of laser optics protective glass mechanism among Fig. 1;
Fig. 6 is the anti-structure cutaway view that flies to protect the mechanism of qi structure among Fig. 1;
Fig. 7 is the structure cutaway view of coaxial weldering protection mechanism of qi structure among Fig. 1;
Fig. 8 is the structure cutaway view of side direction protection-gas welding mechanism among Fig. 1;
Wherein: 1 is optical fiber bindiny mechanism
2 is the laser optics collimation mechanism, and 201 is first adpting flange, and 202 are collimation main body overcoat, and 203 are cover in the collimation main body, and 204 is the collimating mirror microscope base, and 205 is collimating mirror, and 206 is microscope base adjustment ring, and 207 is Connection Block, and 208 is first waterway;
3 is the laser optics focusing, and 301 is the plumb joint main body, and 302 is the focus lamp microscope base, and 303 is focus lamp, and 304 is the microscope base retaining ring, and 305 is second waterway;
4 is laser optics protective glass mechanism, and 401 is the protective glass upper flange, and 402 are the protection microscope base, and 403 is the protective glass lower flange, and 404 is retaining ring, and 405 is compressing tablet, and 406 is protective glass, and 407 is first nut, and 408 is second nut;
5 are the anti-protection mechanism of qi structure that splashes, and 501 is second adpting flange, and 502 are the anti-dividing plate that splashes, and 503 are the outlet of protection gas;
6 is coaxial weldering protection mechanism of qi structure, and 601 is interior cover, and 602 is overcoat, and 603 is the conical ring space;
7 is side direction protection-gas welding mechanism, and 701 is fixed block, and 702 is the protector nozzle;
8 is water-cooling system, and 801 is the water-cooled module.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As Fig. 1; shown in Figure 2; the utility model comprises optical fiber bindiny mechanism 1; laser optics collimation mechanism 2; laser optics focusing 3; laser optics protective glass mechanism 4; the anti-protection mechanism of qi structure 5 that splashes; coaxial weldering protection mechanism of qi structure 6; side direction protection-gas welding mechanism 7 and water-cooling system 8; wherein an end of laser optics collimation mechanism 2 is threaded with optical fiber bindiny mechanism 1; the other end is connected with soket head cap screw with an end of laser optics focusing 3 and locatees with alignment pin; the sealing ring sealing prevents that dust from entering; the other end of laser optics focusing 3 is connected with laser optics protective glass mechanism 4 with soket head cap screw; below laser optics protective glass mechanism 4, be connected with the anti-protection mechanism of qi structure 5 that splashes that prevents that spatter is splashed to laser optics protective glass mechanism 4 with soket head cap screw; mechanism of qi structure 6 is protected in the coaxial weldering that has been threaded below the anti-protection mechanism of qi structure 5 that splashes, and side direction protection-gas welding mechanism 7 usefulness soket head cap screws are connected on the sidewall of the anti-protection mechanism of qi structure 5 that splashes.The welding laser beam of dispersing that optical fiber bindiny mechanism 1 sends becomes collimated light beam by the collimating mirror in the laser optics collimation mechanism 2; this collimated light beam is focused into hot spot by the focus lamp in the laser optics focusing 3, and hot spot shines on the materials to be welded by the protective glass in the laser optics protective glass mechanism 4.Whether the output beam direction that the working condition of optical fiber bindiny mechanism 1 has determined optical fiber output laser deflection, thereby influences the overall process of laser weld; The major function of optical fiber bindiny mechanism 1 is to guarantee to lock optical fiber and make the optical fiber output beam coaxial with laser optics collimation mechanism 2 after the laser output optical fibre inserts mechanism.
The major function of laser optics collimation mechanism 2 is that the divergent beams of optical fiber output are changed into collimated light beam by collimating mirror, laser beam energy is evenly distributed, concentrate and the excessive thermal lensing effect that causes of heat accumulation to reduce optical mirror slip heat, and add water cooling plant in laser optics collimating optics mirror group, prevent the generation of thermal lensing effect.As shown in Figure 3, laser optics collimation mechanism 2 comprises cover 203, collimating mirror microscope base 204, collimating mirror 205, microscope base adjustment ring 206 and Connection Block 207 in first adpting flange 201, collimation main body overcoat 202, the collimation main body, wherein first adpting flange 201 is fixed in the top that collimates main body overcoat 2 by soket head cap screw, and optical fiber bindiny mechanism 1 is threaded on first adpting flange 201; Cover 203 is threadedly connected to the inside of collimation main body overcoat 202 in the described collimation main body, the bottom of cover 203 is threaded with Connection Block 207 in the collimation main body, in collimation main body overcoat 202 and collimation main body, leave first waterway 208 between the cover 203, this first waterway 208 is a circular cylinder, the centre can be annotated and cooling water, with the cooling collimating mirror; Cover 203 internal whorls are connected with collimating mirror microscope base 204 in the collimation main body, collimating mirror 205 is installed on the collimating mirror microscope base 204, by with the collimation main body in the cover 203 microscope base adjustment that are threaded encircle 206 screw-threaded couplings.
The major function of laser optics focusing 3 is the hot spots (promptly cooperating the hot spot that reaches required different-diameter by collimating mirror with the different focal of focus lamp) that the collimated light beam of laser optics collimation mechanism 2 outputs are focused into required diameter by focus lamp.And add water-cooling system at focus lamp, prevent the generation of thermal lensing effect.As shown in Figure 4, laser optics focusing 3 links to each other with laser optics collimation mechanism 2 by screw, laser optics focusing 3 comprises plumb joint main body 301, focus lamp microscope base 302, focus lamp 303 and microscope base retaining ring 304, wherein plumb joint main body 301 internal threads are connected with water-cooled module 801, focus lamp microscope base 302 is threadedly connected in the water-cooled module 801, leaves second waterway 305 between water-cooled module 801 and focus lamp microscope base 302; Described focus lamp 303 is installed on the focus lamp microscope base 302, the microscope base retaining ring 304 of the locking focus lamp 303 that is threaded below focus lamp microscope base 302.
The major function of laser optics protective glass mechanism 4 is to prevent that spatter is splashed to focus lamp.The optics protective glass clamping device of laser optics protective glass mechanism is the quick change mirror soon, and fast insert-pull is so that change the optics protective glass.As shown in Figure 5, laser optics protective glass mechanism 4 comprises protective glass upper flange 401, protection microscope base 402, protective glass lower flange 403, retaining ring 404, compressing tablet 405, protective glass 406, first nut 407 and second nut 408, wherein protective glass upper flange 401 is connected with protective glass lower flange 403 by screw, protection microscope base 402 is installed on the protective glass lower flange 403, described protective glass 406 is placed on the protection microscope base 402, protective glass 406 is locked by the retaining ring 404 that is threadedly connected on the protection microscope base 402 that its top is provided with, and is provided with compressing tablet 405 between retaining ring 404 and protective glass 406; Be respectively equipped with first nut 407 and second nut 408 of being convenient to change protective glass on protective glass upper flange 401 and the protective glass lower flange 403; when needing to change protective glass 406; unclamp first nut 407 and second nut 408; can apace protective glass 406 be pulled out, tighten first nut 407 and second nut 408 again after new protective glass is inserted.
Anti-major function of splashing protection mechanism of qi structure 5 is to prevent that spatter is splashed to protective glass, avoids protective glass to cause damage; Concrete grammar is the clean compressed air (not having oil, anhydrous) with 0.6MPa～1.0MPa, from the ejection of protection gas outlet line style, forms horizontal high speed line style air stream so that the material that splashes is dispelled, and prevents that spatter is splashed to protective glass.As shown in Figure 6; the anti-protection mechanism of qi structure 5 that splashes links to each other with laser optics protective glass mechanism 4 by screw; the anti-protection mechanism of qi structure 5 that splashes comprises second adpting flange 501, anti-splash dividing plate 502 and protection gas outlet 503, and wherein anti-splash dividing plate 502 and protection gas outlet 503 are installed in the outside and the inside of second adpting flange 501 respectively.
Coaxial weldering protection mechanism of qi structure 6 has been threaded below the anti-protection mechanism of qi structure 5 that splashes, the major function of coaxial weldering protection mechanism of qi structure 6 is matrix materials of protection solder joint position, in welding process, contact and go, and cause the mechanical property of solder joint position and the decline of corrosion resistance into oxidation material with airborne oxygen; Concrete grammar is to form conical ring space ejection (pressure 0.1MPa～1.0MPa do not wait) between the cover with inert gas in coaxial protection gas overcoat and the coaxial protection gas, reaches the not oxidized purpose of protection solder joint with the oxygen in the secluding air.Coaxial another function of protection gas is when welding in a face, and plumb joint any direction protection-gas welding all can effectively be protected weld seam, because the protection gas way of output be that annular sprays.As shown in Figure 7; coaxial weldering protection mechanism of qi structure 6 comprises the interior cover 601 and the overcoat 602 of coaxial setting; the outside of cover 601 in overcoat 602 is threadedly connected to; interior cover 601 is a hollow structure; leave conical ring space 603 between overcoat 602 and interior cover 601, protection gas is by the bottom ejection in this conical ring space 603.
On the sidewall of the anti-protection mechanism of qi structure 5 that splashes side direction protection-gas welding mechanism 7 is installed, the major function of side direction protection-gas welding mechanism 7 is matrix materials of protection solder joint position, in welding process, contact and go, and cause the mechanical property of solder joint position and the decline of corrosion resistance into oxidation material with airborne oxygen; Concrete grammar is for reaching welded seam to guarantee to reach the welding position with inert gas from the ejection of protection gas jets.The convenient plumb joint that cooperates different focal of side direction protection-gas welding mechanism, the protection gas jets that only need change different length as the plumb joint of different focal gets final product.As shown in Figure 8, side direction protection-gas welding mechanism 7 comprises fixed block 701 and protector nozzle 702, and wherein an end of protector nozzle 702 is installed on the anti-protection mechanism of qi structure 5 that splashes by fixed block 701, and the other end bends to solder joint; One termination of described protector nozzle 702 has protection gas source of the gas.
Water-cooling system 8 of the present utility model is indirect cooling laser optical mirror slips, makes it thermal lensing effect not take place and causes focal shift.Though laser most of power when seeing through the laser optics focus lamp all is through, but still there is 0.1%～2% power not see through, and the accumulation of its heat reaches and causes thermal lensing effect and just influenced welding effect when causing focal shift, can solve this phenomenon with water-cooling system; Concrete grammar carries out indirect water-cooling focus lamp 303 for carrying out indirect water-cooling collimating mirror 205 by collimation main body overcoat 202 among Fig. 3 and the circular cylinder space (i.e. first waterway 208) that the interior cover 203 of collimation main body forms by the circular cylinder space (i.e. second waterway 305) in the water-cooled module among Fig. 4 801.
Operation principle of the present utility model is:
By the output of the optical fiber output laser in the optical fiber bindiny mechanism 1 laser beam, this laser beam is divergent beams, by becoming collimated light beam behind the collimating mirror in the laser optics collimation mechanism 2 205; Collimated light beam is focused into the hot spot of required diameter by the focus lamp in the laser optics focusing 3 303, and this hot spot shines on the soldered material through behind protective glass 406, welds.
The utility model system important technological parameters index: plumb joint gross weight＜8KG; Carrying maximum laser power: 6KW; Collimating mirror focal length: 100mm～200mm; Focus lamp focal length: 150mm～68mm; But the fine diameter of luminous intensity distribution: 100 μ m～1000 μ m; The anti-protection atmospheric pressure＜1.0MPa that splashes; The anti-protection throughput＜500L/min that splashes; Cooling water flow＜2L/min; Cooling water pressure＜0.5Mpa; Operating temperature: 5 ℃～55 ℃.
Optical fiber of the present utility model bindiny mechanism is commercial product, purchases the OPPOSKANDAB company in Sweden, and model is: D1-93983.
Claims (8)
1. Optical Fiber Transmission laser instrument plumb joint, it is characterized in that: comprise optical fiber bindiny mechanism (1), laser optics collimation mechanism (2), laser optics focusing (3), laser optics protective glass mechanism (4) and the anti-protection mechanism of qi structure (5) that splashes, wherein an end of laser optics collimation mechanism (2) is threaded with optical fiber bindiny mechanism (1), the other end links to each other with an end of laser optics focusing (3), the other end of laser optics focusing (3) is connected with laser optics protective glass mechanism (4), is provided with in the below of laser optics protective glass mechanism (4) to prevent that spatter is splashed to the anti-protection mechanism of qi structure (5) that splashes of laser optics protective glass mechanism (4); The welding laser beam of dispersing that described optical fiber bindiny mechanism (1) sends becomes collimated light beam by the collimating mirror in the laser optics collimation mechanism (2); this collimated light beam is focused into hot spot by the focus lamp in the laser optics focusing (3), and hot spot shines on the materials to be welded by the protective glass in the laser optics protective glass mechanism (4).
2. by the described Optical Fiber Transmission laser instrument of claim 1 plumb joint; it is characterized in that: coaxial weldering protection mechanism of qi structure (6) has been threaded in anti-below of splashing protection mechanism of qi structure (5); this coaxial weldering protection mechanism of qi structure (6) comprises the interior cover (601) and the overcoat (602) of coaxial setting; overcoat (602) is threadedly connected to the outside of interior cover (601); interior cover (601) is a hollow structure; leave conical ring space (603) between overcoat (602) and interior cover (601), protection gas is by the bottom ejection in this conical ring space (603).
3. by the described Optical Fiber Transmission laser instrument of claim 1 plumb joint, it is characterized in that: on the sidewall of the described anti-protection mechanism of qi structure (5) that splashes side direction protection-gas welding mechanism (7) is installed, this side direction protection-gas welding mechanism (7) comprises fixed block (701) and protector nozzle (702), wherein an end of protector nozzle (702) is installed on the anti-protection mechanism of qi structure (5) that splashes by fixed block (701), and the other end bends to solder joint; One termination of described protector nozzle (702) has protection gas source of the gas.
4. by claim 1,2 or 3 described Optical Fiber Transmission laser instrument plumb joints, it is characterized in that: described laser optics collimation mechanism (2) comprises cover (203), collimating mirror microscope base (204), collimating mirror (205), microscope base adjustment ring (206) and Connection Block (207) in first adpting flange (201), collimation main body overcoat (202), the collimation main body, wherein first adpting flange (201) is fixed in the top of collimation main body overcoat (2), and optical fiber bindiny mechanism (1) is installed on first adpting flange (201); Cover (203) is threadedly connected to the inside of collimation main body overcoat (202) in the described collimation main body, the bottom of cover (203) is threaded with Connection Block (207) in the collimation main body, leaves first waterway (208) between the cover (203) in collimation main body overcoat (202) and collimation main body; Cover (203) internal whorl is connected with collimating mirror microscope base (204) in the collimation main body, and collimating mirror (205) is installed in that collimating mirror microscope base (204) is gone up, microscope base adjustment ring (206) screw-threaded coupling by being threaded with cover (203) in the collimation main body.
5. by claim 1,2 or 3 described Optical Fiber Transmission laser instrument plumb joints, it is characterized in that: described laser optics focusing (3) links to each other with laser optics collimation mechanism (2) by screw, laser optics focusing (3) comprises plumb joint main body (301), focus lamp microscope base (302), focus lamp (303) and microscope base retaining ring (304), wherein plumb joint main body (301) internal thread is connected with water-cooled module (801), focus lamp microscope base (302) is threadedly connected in the water-cooled module (801), leaves second waterway (305) between water-cooled module (801) and focus lamp microscope base (302); Described focus lamp (303) is installed on the focus lamp microscope base (302), the microscope base retaining ring (304) of the locking focus lamp (303) that is threaded in the below of focus lamp microscope base (302).
6. by claim 1; 2 or 3 described Optical Fiber Transmission laser instrument plumb joints; it is characterized in that: described laser optics protective glass mechanism (4) links to each other with laser optics focusing (3) by screw; laser optics protective glass mechanism (4) comprises protective glass upper flange (401); protection microscope base (402); protective glass lower flange (403); retaining ring (404); compressing tablet (405) and protective glass (406); wherein protective glass upper flange (401) is connected with protective glass lower flange (403) by screw; protection microscope base (402) is installed on the protective glass lower flange (403); described protective glass (406) is placed on the protection microscope base (402); protective glass (406) is locked by the retaining ring (404) that is threadedly connected on the protection microscope base (402) that its top is provided with, and is provided with compressing tablet (405) between retaining ring (404) and protective glass (406).
7. by the described Optical Fiber Transmission laser instrument of claim 6 plumb joint, it is characterized in that: be respectively equipped with first nut (407) and second nut (408) of being convenient to change protective glass on described protective glass upper flange (401) and the protective glass lower flange (403).
8. by claim 1,2 or 3 described Optical Fiber Transmission laser instrument plumb joints; it is characterized in that: the described anti-protection mechanism of qi structure (5) that splashes links to each other with laser optics protective glass mechanism (4) by screw; the protection mechanism of qi structure (5) of preventing splashing comprises second adpting flange (501), prevent splashing dividing plate (502) and protection gas outlet (503), and wherein prevent splashing dividing plate (502) and protection gas export the outside and the inside that (503) are installed in second adpting flange (501) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020692649 CN201913386U (en) | 2010-12-30 | 2010-12-30 | Optical fiber transmission laser welding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020692649 CN201913386U (en) | 2010-12-30 | 2010-12-30 | Optical fiber transmission laser welding head |
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|---|---|
| CN201913386U true CN201913386U (en) | 2011-08-03 |
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|---|---|---|---|
| CN 201020692649 Expired - Lifetime CN201913386U (en) | 2010-12-30 | 2010-12-30 | Optical fiber transmission laser welding head |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102364374A (en) * | 2011-10-24 | 2012-02-29 | 无锡亮源激光技术有限公司 | Laser sight |
| CN102500921A (en) * | 2011-11-14 | 2012-06-20 | 镭射谷科技(深圳)有限公司 | Multi-channel laser welding device |
| CN102528283A (en) * | 2010-12-30 | 2012-07-04 | 杭州中科新松光电有限公司 | Welding head of optical fiber transmission laser |
| CN102974940A (en) * | 2012-11-19 | 2013-03-20 | 无锡市亚青机械厂 | Laser welding device provided with protective facilities |
| CN103567642A (en) * | 2012-08-08 | 2014-02-12 | 鸿富锦精密工业（深圳）有限公司 | Sapphire cutting device |
| CN104741779A (en) * | 2015-04-22 | 2015-07-01 | 深圳市创鑫激光股份有限公司 | Laser output head and laser machining machine |
| CN105965165A (en) * | 2016-06-16 | 2016-09-28 | 深圳市创鑫激光股份有限公司 | Collimating lens barrel, laser cutting head and laser cutting device |
| CN106334874A (en) * | 2015-07-15 | 2017-01-18 | 山西运城制版集团（上海）企业发展有限公司 | Optical transmission device with heat-dissipating part and used for laser engraving machine |
| CN107717227A (en) * | 2017-11-09 | 2018-02-23 | 北京工业大学 | A kind of laser narrow gap welding joint |
| CN107797293A (en) * | 2016-09-07 | 2018-03-13 | 大族激光科技产业集团股份有限公司 | A kind of collimation focusing welding system for welding hot spot and being less than 0.05mm |
| WO2019048611A1 (en) * | 2017-09-07 | 2019-03-14 | Sauer Gmbh | Exchangeable focusing module |
| CN114206539A (en) * | 2019-12-23 | 2022-03-18 | 百超激光有限公司 | Optical unit for laser machining of workpieces and laser machining device |
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- 2010-12-30 CN CN 201020692649 patent/CN201913386U/en not_active Expired - Lifetime
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|---|---|---|---|---|
| CN102528283A (en) * | 2010-12-30 | 2012-07-04 | 杭州中科新松光电有限公司 | Welding head of optical fiber transmission laser |
| CN102364374A (en) * | 2011-10-24 | 2012-02-29 | 无锡亮源激光技术有限公司 | Laser sight |
| CN102500921A (en) * | 2011-11-14 | 2012-06-20 | 镭射谷科技(深圳)有限公司 | Multi-channel laser welding device |
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| CN103567642A (en) * | 2012-08-08 | 2014-02-12 | 鸿富锦精密工业（深圳）有限公司 | Sapphire cutting device |
| CN102974940A (en) * | 2012-11-19 | 2013-03-20 | 无锡市亚青机械厂 | Laser welding device provided with protective facilities |
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| CN106334874A (en) * | 2015-07-15 | 2017-01-18 | 山西运城制版集团（上海）企业发展有限公司 | Optical transmission device with heat-dissipating part and used for laser engraving machine |
| CN105965165A (en) * | 2016-06-16 | 2016-09-28 | 深圳市创鑫激光股份有限公司 | Collimating lens barrel, laser cutting head and laser cutting device |
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| CN107797293B (en) * | 2016-09-07 | 2020-10-16 | 大族激光科技产业集团股份有限公司 | Collimation focusing welding system with welding spot smaller than 0.05mm |
| WO2019048611A1 (en) * | 2017-09-07 | 2019-03-14 | Sauer Gmbh | Exchangeable focusing module |
| CN107717227A (en) * | 2017-11-09 | 2018-02-23 | 北京工业大学 | A kind of laser narrow gap welding joint |
| CN107717227B (en) * | 2017-11-09 | 2020-02-18 | 北京工业大学 | Laser narrow gap welding joint |
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