CN118106611A - Liquid guide laser coupling device and liquid beam laser beam coupling alignment method thereof - Google Patents
Liquid guide laser coupling device and liquid beam laser beam coupling alignment method thereof Download PDFInfo
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- CN118106611A CN118106611A CN202211513801.9A CN202211513801A CN118106611A CN 118106611 A CN118106611 A CN 118106611A CN 202211513801 A CN202211513801 A CN 202211513801A CN 118106611 A CN118106611 A CN 118106611A
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- 230000008878 coupling Effects 0.000 title claims abstract description 43
- 238000010168 coupling process Methods 0.000 title claims abstract description 43
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 43
- 239000007788 liquid Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Optical Couplings Of Light Guides (AREA)
- Laser Beam Processing (AREA)
Abstract
The liquid guide laser coupling device comprises a coupler mounting seat (1), a nozzle (2), a coupler (3), a protective lens (4), a coupler locking seat (5), an adjusting seat (6), a first focusing screw (7) and a second focusing screw (8), a first jackscrew (9), a second jackscrew (10), an adjusting lock nut (11), a beacon laser mounting seat (12), three beacon laser transmitters (13) and three beacon laser receivers (15) which are distributed in an equilateral triangle shape; aligning the beacon laser transmitter (13) and the beacon laser receiver (15) by rotating the first focusing screw (7) and the second focusing screw (8); and (3) regulating the power of the working laser beam to a safe range, adopting an optical power meter at the outlet of the nozzle (2), and finely regulating a first focusing screw rod (7) and a second focusing screw rod (8), and finishing horizontal regulation when the optical power meter count reaches the maximum.
Description
Technical Field
The invention relates to the technical field of liquid guide laser coupling, in particular to a liquid guide laser coupling device and a liquid beam laser beam coupling alignment method of the liquid guide laser coupling device.
Background
The laser processing technology is a processing method for removing materials by utilizing the thermophysical effect formed by physical state change caused by interaction of high-power density laser beams and substances. The laser processing has the advantages of high flexibility, high efficiency, high processing quality, easy realization of automatic control and the like, and can realize the processing of high-hardness, high-brittleness and high-melting-point metal and nonmetal materials.
In the water-guided laser processing, a high-energy laser beam is coupled into a micro-water jet, and the water jet guides the laser to the surface of a material, so that a workpiece is processed. The water jet in the water-guided laser processing technology enables laser to form total reflection in the water beam so as to realize propagation in the water jet. The water jet flowing at high speed can effectively cool a processing area, so that the heat influence generated by processing is reduced; meanwhile, residues generated by processing can be flushed away from a processing area under the impact of water jet, so that a recast layer is avoided, the processing quality is improved, the processing surface is smooth, and the processing precision is high.
CN114833441a discloses a water-guiding laser coupling system and method based on self-focusing mirror, which comprises an optical transmission system, a water-optical coupling system and a gas-liquid composite system from top to bottom in sequence; the optical transmission system comprises an optical fiber protective layer, an optical fiber, a QBH optical fiber connector and a self-focusing mirror, so that the transmission efficiency of laser is ensured, and the interference of reflected light on a light source is avoided; the lower end of the self-focusing lens is arc-shaped with a certain radian, and the lower end of the self-focusing lens is immersed in a thin water layer, so that the coupling efficiency is improved; the nozzle is arc-shaped with a certain radian, and is matched with the self-focusing mirror, so that the distance between the self-focusing mirror and the upper surface of the center of the nozzle is shortened, the thickness of a thin water layer is unchanged, and the efficient coupling of water and light is ensured. The multistage overflow steps are adopted to effectively eliminate the pulsation of water flow, so that the stability of water beams is improved; the annular gas beam is wrapped on the periphery of the water beam, so that water accumulation is avoided; the self-focusing mirror is used to reduce the volume and weight of the coupling cavity.
In the prior art, the diameter requirement of the water guide laser on the water beam is small, so that the diameter of the nozzle is small, the coupling between the water beam and the laser beam is difficult, the nozzle is burnt out due to unsuccessful coupling, and the cost is increased. In order to avoid burning out the nozzle, it is therefore necessary to judge and adjust the mutual positions of the focusing point and the nozzle. To determine whether the coupling is successful, an additional CCD imaging device is often added to make the determination.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a liquid guide laser coupling device and a liquid beam laser beam coupling alignment method, so as to solve the problems in the prior art and realize rapid judgment and adjustment of the mutual positions of a focusing focus and a nozzle.
In order to solve the technical problems, in one aspect, the invention provides a liquid guide laser coupling device, which comprises a coupler mounting seat, a nozzle connected with a first end part of an axial step through hole of the coupler mounting seat, a coupler positioned outside one end far away from a water outlet of the nozzle and connected with the coupler mounting seat, a protective lens positioned outside one end far away from the nozzle of the coupler and connected with the coupler mounting seat, a coupler locking seat connected with the coupler mounting seat far away from the nozzle end, an adjusting seat which can be slidingly connected with the coupler locking seat, a first focusing screw rod and a second focusing screw rod which are mutually perpendicular and connected with the adjusting seat, a first jackscrew which is connected with the adjusting seat and is arranged opposite to the first focusing screw rod, a second jackscrew which is connected with the adjusting seat and is arranged opposite to the second focusing screw rod, an adjusting locking nut which is in threaded connection with the coupler locking seat, three beacon laser mounting seats connected with the adjusting seat, three beacon laser mounting seats respectively connected with the beacon mounting seats which can be detachably connected with the beacon mounting seats, and a beacon alignment instrument connected with the beacon of the coupler; the three beacon laser transmitters are distributed on the adjusting seat in an equilateral triangle shape, and the center of the equilateral triangle is the beam center of the injected laser; the beacon laser alignment instrument is provided with three beacon laser receivers, the three beacon laser receivers are distributed on the beacon laser alignment instrument in an equilateral triangle shape, the centers of the equilateral triangles are laser light inlets, and the positions of the beacon laser receivers and the beacon laser transmitters correspond.
As a further improvement technical scheme, the liquid guide laser coupling device provided by the invention has the advantages that the middle part of the axial step through hole of the coupler mounting seat is provided with the boss, the coupler and the nozzle are positioned on one side of the boss, and the protective lens is positioned on the other side of the boss; the device is characterized by further comprising a nozzle locking nut which is in threaded connection with the coupler mounting seat and locks the coupler and the nozzle, and a lens locking nut which is in threaded connection with the coupler mounting seat and locks the protective lens.
According to the liquid guide laser coupling device, a first sealing ring is arranged between the nozzle locking nut and the nozzle, a second sealing ring is arranged between the nozzle locking nut and the coupler installation seat, a third sealing ring is arranged between the protection lens and the coupler installation seat, a fourth sealing ring is arranged between the lens locking nut and the coupler installation seat, a fifth sealing ring is arranged between the coupler installation seat and the coupler locking seat, a sixth sealing ring is arranged between the coupler locking seat and the adjusting seat, a seventh sealing ring is arranged between the adjusting locking nut and the adjusting seat, and a lens sealing ring is arranged between the protection lens and the lens locking nut.
As a further improvement technical scheme, the liquid guide laser coupling device provided by the invention is characterized in that the first jackscrew and the second jackscrew both comprise mounting holes arranged on the adjusting seat, balls connected with the mounting holes, and compression springs positioned between the balls and the bottoms of the mounting holes.
In order to solve the technical problems, on the other hand, the invention provides a liquid beam laser beam coupling alignment method of a liquid guide laser coupling device, the liquid guide laser coupling device comprises a coupler mounting seat, a nozzle connected with a first end part of an axial step through hole of the coupler mounting seat, a coupler positioned outside one end far away from a water outlet of the nozzle and connected with the coupler mounting seat, a protective lens positioned outside one end far away from the nozzle of the coupler and connected with the coupler mounting seat, a coupler locking seat connected with the coupler mounting seat far away from the nozzle end, an adjusting seat slidably connected with the coupler locking seat, a first focusing screw rod and a second focusing screw rod which are mutually perpendicular and connected with the adjusting seat, a first focusing jackscrew which is connected with the adjusting seat and is oppositely arranged with the first focusing screw rod, a second jackscrew which is connected with the adjusting seat and is oppositely arranged with the second focusing screw rod, an adjusting locking nut which is in threaded connection with the coupler locking seat, three beacon mounting seats connected with the adjusting seat respectively, and the beacon mounting seats connected with the beacon mounting seat can be detached and the beacon mounting apparatus can be used for aligning the beacon mounting of the laser transmitter; the three beacon laser transmitters are distributed on the adjusting seat in an equilateral triangle shape, and the center of the equilateral triangle is the beam center of the injected laser; three beacon laser receivers are arranged on the beacon laser alignment instrument and distributed in an equilateral triangle, the centers of the equilateral triangles are laser light inlets, and the beacon laser receivers correspond to the beacon laser transmitters in position; the liquid beam laser beam coupling alignment comprises the following processes: unscrewing the adjusting locking nut to enable the adjusting seat to slide along the connecting surface of the coupler locking seat, and enabling the three groups of beacon laser transmitters and the beacon laser receivers to be aligned by rotating the first focusing screw and the second focusing screw; after the beacon laser transmitter and the beacon laser receiver are adjusted to be aligned, the power of the working laser beam is regulated down to a safe range, an optical power meter is adopted at the outlet of the nozzle, a first focusing screw rod and a second focusing screw rod are finely adjusted, and when the optical power meter count reaches the maximum, the horizontal adjustment is completed.
The foregoing improvements may be implemented alone or in combination without conflict.
According to the technical scheme provided by the invention, after the adjusting locking nut is unscrewed, the first focusing screw rod and the second focusing screw rod are adjusted to enable the coupler locking seat to move on the X axis and the Y axis of the plane rectangular coordinate system, so that the adjustment is convenient and accurate, and the coupling efficiency of the coupler can be improved.
Drawings
The accompanying drawings are included to provide a further understanding of the application, and are incorporated in and constitute a part of this specification, and are included to illustrate and practice the application and are not to be construed as limiting the application. In the drawings:
FIG. 1 is a front view block diagram of a liquid crystal laser coupling device according to an embodiment;
FIG. 2 is a schematic view of the A-A structure of FIG. 1;
fig. 3 is an exploded view of the liquid crystal laser coupling device of the embodiment.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
The liquid guide laser coupling device as shown in fig. 1 to 3 comprises a coupler mounting seat 1, a nozzle 2 connected with a first end part of an axial step through hole of the coupler mounting seat 1, a coupler 3 positioned outside one end far away from a water outlet of the nozzle 2 and connected with the coupler mounting seat 1, a protective lens 4 positioned outside one end of the coupler 3 far away from the nozzle 2 and connected with the coupler mounting seat 1, a coupler locking seat 5 connected with the coupler mounting seat 1 far away from the nozzle 2, an adjusting seat 6 connected with the coupler locking seat 5 in a sliding manner, a first focusing screw rod 7 and a second focusing screw rod 8 which are mutually perpendicular and connected with the adjusting seat 6, a first jackscrew 9 connected with the adjusting seat 6 and arranged opposite to the first focusing screw rod 7, a second jackscrew 10 connected with the adjusting seat 6 and arranged opposite to the second focusing screw rod 8, an adjusting locking nut 11 connected with the coupler locking seat 5 in a threaded manner, three adjusting seats 12 connected with the adjusting seat 6 and three laser transmitters 12 connected with the adjusting seat 12, and a beacon emitter 13 connected with the laser transmitter 1 respectively; the three beacon laser transmitters 13 are distributed on the adjusting seat 6 in an equilateral triangle shape, and the centers of the equilateral triangles are the beam centers of the incident laser; the beacon laser aligner 14 is provided with three beacon laser receivers 15, the three beacon laser receivers 15 are distributed on the beacon laser aligner 14 in an equilateral triangle shape, the centers of the equilateral triangle shape are laser light inlets, and the beacon laser receivers 15 correspond to the positions of the beacon laser transmitters 13.
The adjusting lock nut 11 with inner teeth is used for sleeving the adjusting seat 6 on the coupler locking seat 5, after the adjusting lock nut 11 is unscrewed, the coupler locking seat 5 and the adjusting seat 6 can move mutually, when the first focusing screw rod 7 is adjusted, the coupler locking seat 5 can move in a first direction under the combined action of the first focusing screw rod 7 and the first jackscrew 9, when the second focusing screw rod 8 is adjusted, the coupler locking seat 5 can move in a direction perpendicular to the first direction under the combined action of the second focusing screw rod 8 and the second jackscrew 10, namely, the coupler locking seat 5 can move on an X axis and a Y axis of a plane rectangular coordinate system by adjusting the first focusing screw rod 7 and the second focusing screw rod 8, so that the relative position of the coupler locking seat 5 and the adjusting seat 6 can be adjusted, and the nozzle position can be adjusted to be coaxial with the focusing focal position of the input laser.
The beacon laser transmitters 13 distributed in an equilateral triangle shape are arranged on the adjusting seat 6 used for being connected with the laser injection component, the centers of the equilateral triangle shape are the beam centers of the laser injection, and the laser emitted by the beacon laser transmitters 13 is parallel to the laser injection, namely the axial direction of the coupler; beacon laser receivers distributed in an equilateral triangle are arranged on the coupler mounting seat 1, and the centers of the equilateral triangles are laser light inlets, namely the axes of the nozzle and the coupler. When the beacon laser transmitters 13 are aligned with the beacon laser receivers 15 one by one, the position of the outlet axis of the nozzle 2 is adjusted to be coaxial with the focal position of the input laser focus.
The liquid beam laser beam coupling alignment comprises the following processes: the adjusting lock nut 11 is unscrewed, so that the adjusting seat 6 can slide along the connecting surface with the coupler locking seat 5, and the three groups of beacon laser transmitters 13 and the beacon laser receivers 15 are aligned by rotating the first focusing screw rod 7 and the second focusing screw rod 8; after the beacon laser transmitter 13 and the beacon laser receiver 15 are all adjusted to be aligned, the power of the working laser beam is regulated down to a safe range, an optical power meter is adopted at the outlet of the nozzle 2, the first focusing screw rod 7 and the second focusing screw rod 8 are finely adjusted, and when the optical power meter indication number reaches the maximum, the horizontal adjustment is completed.
As shown in fig. 2, as one embodiment, a boss is provided at the middle of the axial stepped through hole of the coupler mount 1, the coupler 3 and the nozzle 2 are positioned at one side of the boss, and the protective lens 4 is positioned at the other side of the boss; the device also comprises a nozzle locking nut 16 which is in threaded connection with the coupler mounting seat 1 and locks the coupler 3 and the nozzle 2, and a lens locking nut 17 which is in threaded connection with the coupler mounting seat 1 and locks the protective lens 4. The nozzle locking nut 16 locks the coupler 3 and the nozzle 2, and is convenient to adjust and replace.
As shown in fig. 2, as one embodiment, a first sealing ring 18 is provided between the nozzle lock nut 16 and the nozzle 2 of the liquid guiding laser coupling device, a second sealing ring 19 is provided between the nozzle lock nut 16 and the coupler mount 1, a third sealing ring 20 is provided between the protective lens 4 and the coupler mount 1, a fourth sealing ring 21 is provided between the lens lock nut 17 and the coupler mount 1, a fifth sealing ring 22 is provided between the coupler mount 1 and the coupler lock 5, a sixth sealing ring 23 is provided between the coupler lock 5 and the adjustment mount 6, a seventh sealing ring 24 is provided between the adjustment lock nut 11 and the adjustment mount 6, and a lens sealing ring 27 is provided between the protective lens 4 and the lens lock nut 17. The first sealing ring 18, the second sealing ring 19, the third sealing ring 20 and the fourth sealing ring 21 seal the water cavity to prevent high-pressure water from leaking. The fifth sealing ring 22 and the sixth sealing ring 23 seal the cavity through which the light beam passes, and prevent dust from affecting laser focusing.
As shown in fig. 2, as one embodiment, the first jackscrew 9 and the second jackscrew 10 of the liquid guiding laser coupling device each include a mounting hole provided on the adjusting seat 6, a ball 25 connected to the mounting hole, and a compression spring 26 located between the ball 25 and the bottom of the mounting hole. The compression spring 26 provides an elastic force, and when the first focusing screw 7 or the second focusing screw 8 is outwards screwed out, the elastic force provided by the compression spring 26 pushes the coupler locking seat 5 to move.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way, and various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The liquid guide laser coupling device comprises a coupler mounting seat (1), a nozzle (2) connected with a first end part of an axial step through hole of the coupler mounting seat (1), a coupler (3) which is positioned at the outer side of one end of a water outlet far away from the nozzle (2) and connected with the coupler mounting seat (1), a protective lens (4) which is positioned at the outer side of one end of the coupler (3) far away from the nozzle (2) and connected with the coupler mounting seat (1), and the liquid guide laser coupling device is characterized by also comprising a coupler locking seat (5) connected with the coupler mounting seat (1) far away from the end of the nozzle (2), an adjusting seat (6) which is slidably connected with the coupler locking seat (5), a first focusing screw rod (7) and a second focusing screw rod (8) which are arranged vertically to each other and connected with the adjusting seat (6), a first jackscrew (9) which is connected with the adjusting seat (6) and is arranged opposite to the first focusing screw rod (7), a second jackscrew (10) which is connected with the adjusting seat (6) and is arranged opposite to the second adjusting screw rod (8), a beacon nut (12) which is connected with the adjusting seat (12), three beacon laser transmitters (13) detachably connected with the beacon laser mounting seat (12) respectively, and a beacon laser aligner (14) connected with the coupler mounting seat (1); the three beacon laser transmitters (13) are distributed on the adjusting seat (6) in an equilateral triangle, and the centers of the equilateral triangles are the beam centers of the incident laser; the beacon laser alignment instrument (14) is provided with three beacon laser receivers (15), the three beacon laser receivers (15) are distributed on the beacon laser alignment instrument (14) in an equilateral triangle shape, the centers of the equilateral triangles are laser light inlets, and the positions of the beacon laser receivers (15) and the beacon laser transmitters (13) are corresponding.
2. The liquid guide laser coupling device according to claim 1, wherein a boss is arranged in the middle of the axial stepped through hole of the coupler mounting seat (1), the coupler (3) and the nozzle (2) are positioned on one side of the boss, and the protective lens (4) is positioned on the other side of the boss; the device is also provided with a nozzle locking nut (16) which is in threaded connection with the coupler mounting seat (1) and locks the coupler (3) and the nozzle (2), and a lens locking nut (17) which is in threaded connection with the coupler mounting seat (1) and locks the protective lens (4).
3. The liquid guide laser coupling device according to claim 2, characterized in that a first sealing ring (18) is arranged between the nozzle locking nut (16) and the nozzle (2), a second sealing ring (19) is arranged between the nozzle locking nut (16) and the coupler mounting seat (1), a third sealing ring (20) is arranged between the protective lens (4) and the coupler mounting seat (1), a fourth sealing ring (21) is arranged between the lens locking nut (17) and the coupler mounting seat (1), a fifth sealing ring (22) is arranged between the coupler mounting seat (1) and the coupler locking seat (5), a sixth sealing ring (23) is arranged between the coupler locking seat (5) and the adjusting seat (6), a seventh sealing ring (24) is arranged between the adjusting locking nut (11) and the adjusting seat (6), and a lens sealing ring (27) is arranged between the protective lens (4) and the lens locking nut (17).
4. The liquid guided laser coupling device according to claim 1, characterized in that the first and second jackscrews (9, 10) each comprise a mounting hole provided on the adjustment seat (6), a ball (25) connected to the mounting hole, and a compression spring (26) located between the ball (25) and the bottom of the mounting hole.
5. The liquid beam laser beam coupling alignment method of the liquid guide laser coupling device comprises a coupler mounting seat (1), a nozzle (2) connected with a first end part of an axial step through hole of the coupler mounting seat (1), a coupler (3) which is positioned at the outer side of one end of a water outlet far away from the nozzle (2) and connected with the coupler mounting seat (1), a protective lens (4) which is positioned at the outer side of one end of the coupler (3) far away from the nozzle (2) and connected with the coupler mounting seat (1), and the liquid guide laser coupling device is characterized by also comprising a coupler locking seat (5) connected with the coupler mounting seat (1) far away from the nozzle (2), an adjusting seat (6) which is connected with the coupler locking seat (5) in a sliding way, a first focusing screw (7) and a second focusing screw (8) which are arranged in a mutually perpendicular way and connected with the adjusting seat (6), a first top wire (9) which is arranged opposite to the first screw (7) and a second top wire (6) which is connected with the adjusting seat (8) and a beacon nut (12) which is connected with the adjusting seat (12), three beacon laser transmitters (13) detachably connected with the beacon laser mounting seat (12) respectively, and a beacon laser aligner (14) connected with the coupler mounting seat (1); the three beacon laser transmitters (13) are distributed on the adjusting seat (6) in an equilateral triangle, and the centers of the equilateral triangles are the beam centers of the incident laser; three beacon laser receivers (15) are arranged on the beacon laser alignment instrument (14), the three beacon laser receivers (15) are distributed on the beacon laser alignment instrument (14) in an equilateral triangle, the centers of the equilateral triangles are laser light inlets, and the beacon laser receivers (15) correspond to the positions of the beacon laser transmitters (13); the liquid beam laser beam coupling alignment comprises the following processes: the adjusting lock nut (11) is unscrewed, so that the adjusting seat (6) can slide along the connecting surface with the coupler locking seat (5), and the three groups of beacon laser transmitters (13) and the beacon laser receivers (15) are aligned by rotating the first focusing screw (7) and the second focusing screw (8); after the beacon laser transmitter (13) and the beacon laser receiver (15) are all adjusted to be aligned, the power of the working laser beam is regulated down to a safe range, an optical power meter is adopted at the outlet of the nozzle (2), the first focusing screw (7) and the second focusing screw (8) are finely adjusted, and when the optical power meter count reaches the maximum, the horizontal adjustment is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211513801.9A CN118106611A (en) | 2022-11-29 | 2022-11-29 | Liquid guide laser coupling device and liquid beam laser beam coupling alignment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211513801.9A CN118106611A (en) | 2022-11-29 | 2022-11-29 | Liquid guide laser coupling device and liquid beam laser beam coupling alignment method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN118106611A true CN118106611A (en) | 2024-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211513801.9A Pending CN118106611A (en) | 2022-11-29 | 2022-11-29 | Liquid guide laser coupling device and liquid beam laser beam coupling alignment method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN118106611A (en) |
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2022
- 2022-11-29 CN CN202211513801.9A patent/CN118106611A/en active Pending
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