CN117138989A - Push-pull jet nozzle device for water-guided laser processing and use method - Google Patents
Push-pull jet nozzle device for water-guided laser processing and use method Download PDFInfo
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- CN117138989A CN117138989A CN202311087507.0A CN202311087507A CN117138989A CN 117138989 A CN117138989 A CN 117138989A CN 202311087507 A CN202311087507 A CN 202311087507A CN 117138989 A CN117138989 A CN 117138989A
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- water
- push
- jet nozzle
- jet
- nozzle
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- 238000000034 method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000010168 coupling process Methods 0.000 claims abstract description 42
- 238000005859 coupling reaction Methods 0.000 claims abstract description 42
- 230000008878 coupling Effects 0.000 claims abstract description 41
- 239000007921 spray Substances 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000003754 machining Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000010437 gem Substances 0.000 claims description 3
- 229910001751 gemstone Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000003628 erosive effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004065 semiconductor 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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
-
- 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
Abstract
The invention provides a push-pull type jet nozzle device for water-guided laser processing and a use method thereof, belonging to the technical field of water-guided laser processing. The problems that in the prior art, a jet nozzle is high in cost, incapable of being reused, complex in operation during replacement and difficult to guarantee in installation precision are solved. The laser jet type water jet device comprises a light water coupling cavity, jet nozzles, a laser incidence window and a water inlet, wherein the jet nozzles are arranged at the lower position of the light water coupling cavity through a push-pull mechanism, the laser incidence window is arranged at the upper end of the light water coupling cavity, the water inlet is arranged at the side end of the light water coupling cavity, the jet nozzles are uniformly distributed with a plurality of jet spray holes along the central line, the jet nozzles are connected with the push-pull mechanism through nozzle clamping devices, the push-pull mechanism comprises an adjusting screw rod, and the nozzle clamping devices are in threaded connection with the adjusting screw rod. It is mainly used for water-guided laser processing.
Description
Technical Field
The invention belongs to the technical field of water-guided laser processing, and particularly relates to a push-pull type jet nozzle device for water-guided laser processing and a use method thereof.
Background
The water-guided laser technology is one of the most advanced high-efficiency precise processing technologies internationally at present, and the principle is that a beam of laser is subjected to a set of extremely precise light-water coupling treatment, then enters a beam of water jet with the diameter of tens of micrometers for total reflection conduction, and the processing precision of the technology is extremely high and can even reach 50-100 times of the conventional laser cutting precision, so that the technology can be widely applied to high-end manufacturing industries such as aerospace equipment, medical equipment, semiconductor micromachining and the like.
When the water-jet laser processing is used for processing workpieces with different materials/thicknesses, corresponding nozzles are required to be replaced to change jet parameters, the jet nozzles are also vulnerable consumable materials and usually need to be replaced periodically, but because the water-jet laser processing has extremely severe technical requirements on the water jet nozzles, the water-jet laser processing has extremely high hardness and rigidity to resist high-pressure water jet erosion, extremely low absorptivity on processing beams and further needs micron-level high-precision processing to ensure stable output of water jet, the water jet nozzles are usually made of precious materials such as diamond and are manufactured through ultra-fine precision processing technology, the manufacturing cost of the water jet nozzles is extremely low, and in addition, the water-jet laser processing has extremely high requirements on light-water coupling precision, so that the water jet nozzles are very cumbersome and time-consuming to operate when being replaced, and quite inconvenient for practical production.
Disclosure of Invention
In view of the above, the present invention aims to provide a push-pull type jet device for a water-guided laser processing system and a use method thereof, so as to solve the problems of high cost, incapability of recycling, complex operation during replacement and difficult guarantee of installation precision of a jet nozzle in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a push-pull type jet nozzle device for water leads laser processing, includes light water coupling chamber, jet nozzle, laser incident window and water inlet, the jet nozzle passes through push-and-pull mechanism and installs in light water coupling chamber below position, the laser incident window sets up the upper end at light water coupling chamber, the water inlet sets up the side at light water coupling chamber, the jet nozzle has a plurality of jet orifice along central line position equipartition, the jet nozzle passes through nozzle clamping device and is connected with push-and-pull mechanism, push-and-pull mechanism includes the adjusting screw, nozzle clamping device and adjusting screw threaded connection.
Furthermore, the lower end of the optical water coupling cavity is provided with a lower end opening of the coupling cavity, the lower end opening of the coupling cavity is in close contact with the jet nozzle, and only 1 jet spray hole can be exposed, so that liquid in the optical water coupling cavity can only be sprayed out through the jet spray hole.
Furthermore, a laser emission device is arranged above the optical water coupling cavity and is used for emitting laser beams to vertically enter the optical water coupling cavity through the laser incidence window.
Further, the center line of the laser beam emitted by the laser emitting device is perpendicular to the surface of the jet nozzle and intersects with the center line of the jet nozzle.
Furthermore, a groove for fixing the jet nozzle is arranged in the nozzle clamping device.
Further, the outer end of the adjusting screw rod is connected with a knob.
Still further, push-and-pull mechanism still includes the slide, slide and lead screw parallel arrangement, nozzle clamping device and slide sliding connection, the slide is installed in light water coupling chamber below position.
Furthermore, scale marks are marked on the outer side edge of the slideway and the bottom surface of the nozzle clamping device.
Further, the jet nozzle is made of precious stone, glass, metal or nonmetal.
Further, a method of using a push-pull fluidic device for a water-guided laser processing system, comprising the steps of:
step 1: firstly, a strip-shaped jet nozzle is processed by adopting a water-guide laser nozzle material, and then a plurality of jet spray holes are uniformly formed along the central line position of the jet nozzle;
step 2: projecting a machining beam at a centerline position of the jet nozzle;
step 3: the jet nozzle is driven to move along the direction of the central line by pushing or pulling out the nozzle clamping device through the push-pull mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, a porous structure design method is adopted, a plurality of jet spray holes are processed on one strip-shaped thin-wall nozzle, and the nozzle position is changed by pushing in or pulling out the nozzle clamping device, so that the quick replacement of the jet spray holes is realized, the utilization efficiency of the water jet nozzle can be effectively improved, and the manufacturing cost of the jet nozzle is greatly reduced.
2. The invention adopts the slide way at the lower part of the light-water coupling cavity to limit the moving direction of the nozzle clamping device, so as to drive the nozzle to freely move along the central line position, and can realize that different jet spray holes can move to the coaxial position of the processing light beam.
3. The jet nozzle can be quickly replaced when workpieces of different materials/thicknesses are processed by the water-guided laser, so that jet parameters are changed, the operation is convenient, and the working stability is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a push-pull jet nozzle device for water-guided laser processing according to the present invention;
FIG. 2 is a schematic view of a nozzle according to the present invention;
fig. 3 is a top view of a push-pull jet nozzle device for water-guided laser machining according to the present invention.
The device comprises a 1-light water coupling cavity, a 2-jet nozzle, a 3-nozzle clamping device, a 4-slideway, a 5-adjusting screw rod, a 6-laser incident window, a 7-jet spray hole, an 8-water inlet hole, a 9-center line position and an opening at the lower end of the 10-coupling cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be noted that, in the case of no conflict, embodiments of the present invention and features of the embodiments may be combined with each other, and the described embodiments are only some embodiments of the present invention, not all embodiments.
The first embodiment is as follows: referring to fig. 1-2 for describing the present embodiment, a push-pull type fluidic device for a water-guided laser processing system includes a photo-water coupling cavity 1, a fluidic nozzle 2, a laser incident window 6, and a water inlet 8, where the fluidic nozzle 2 is installed at a position below the photo-water coupling cavity 1 by a push-pull mechanism, the laser incident window 6 is disposed at an upper end of the photo-water coupling cavity 1, the water inlet 8 is disposed at a side end of the photo-water coupling cavity 1, the fluidic nozzle 2 is uniformly distributed with a plurality of jet holes 7 along a central line 9, a lower end of the photo-water coupling cavity 1 is provided with a lower end opening 10 of the coupling cavity, the lower end opening 10 of the coupling cavity is in close contact with the fluidic nozzle, and only 1 jet hole is exposed, so that liquid in the photo-water coupling cavity can only be ejected through the jet hole, a central line of the laser beam is perpendicular to a surface of the fluidic nozzle, and is intersected with a central line of the fluidic nozzle, a laser emitting device is disposed above the photo-water coupling cavity 1 for emitting the laser beam to perpendicularly enter the photo-water coupling cavity 1 by the incident window 6, and the fluidic nozzle 2 is connected with a clamping device 3 by the push-pull nozzle.
Firstly, the water-guide laser nozzle material is adopted to process the emergent flow nozzle 2, then the jet flow spray holes 7 are uniformly formed along the position of the central line 9 of the jet flow nozzle, so that processing light beams are projected on the central line 9 of the jet flow nozzle 2 through a laser incidence window 6, the jet flow nozzle 2 is driven to move along the central line direction by pushing or pulling out the nozzle clamping device 3 through a push-pull mechanism, the different jet flow spray holes 7 can all move to the coaxial position of the processing light beams, the quick replacement of the jet flow spray holes 7 of the water-guide laser processing system is completed, a plurality of jet flow spray holes 7 are processed on one strip-shaped thin-wall jet flow nozzle 2 by adopting a porous structure design method, the position of the jet flow spray holes 7 is changed through the push-pull mechanism, and the quick replacement of the jet flow spray holes 7 is realized, so that the utilization efficiency of the water-jet flow nozzle 2 can be effectively improved, and the manufacturing cost of the jet flow nozzle 2 is greatly reduced.
The second embodiment is as follows: referring to fig. 1-2 for describing the present embodiment, the push-pull mechanism includes an adjusting screw 5, the nozzle clamping device 3 is in threaded connection with the adjusting screw 5, the outer end of the adjusting screw 5 is connected with a knob, the push-pull mechanism further includes a slide 4, the nozzle clamping device 3 is slidably connected with the slide 4, the slide 4 is installed below the optical-water coupling cavity 1, the nozzle clamping device 3 is located in the slide 4 below the optical-water coupling cavity of the water-guided laser processing system, a groove is formed in the nozzle clamping device 3 for fixing the jet nozzle 2, and the nozzle clamping device can be pushed/pulled to move along the slide 4 direction by the knob connected with the outside, since the slide 4 direction is in the same direction as the center line of the jet nozzle 2, the nozzle clamping device 3 can drive the nozzle 2 to freely move along the center line direction, the slide 4 below the optical-water coupling cavity is adopted to limit the moving direction of the nozzle clamping device 3, and further drive the jet nozzle 2 to freely move along the center line position 9, so that different jet nozzles 7 can all move to the processing beam coaxial positions, the installation precision when the jet nozzle 2 is repeatedly replaced is effectively solved, and the efficiency is greatly improved.
And a third specific embodiment: the outer side edge of the slideway 4 and the bottom surface of the nozzle clamping device 3 are marked with scale marks to represent the moving distance of the nozzle clamping device 3, and the position of a specific jet orifice 7 where a processing light beam is positioned can be determined according to the distance between the jet orifices and the actual position of the nozzle clamping device 3, so that the switching adjustment of the positions of different jet orifices 7 is realized.
The specific embodiment IV is as follows: the jet nozzle 2 is made of precious stone, glass, metal or nonmetal materials, and the materials have certain hardness and rigidity and can resist the erosion effect of high-pressure water jet, and meanwhile, the processing light beam has extremely low absorptivity, the length of the jet nozzle 2 is 5-100mm, the thickness is 0.2-3.0mm, the diameter of the jet spray holes 7 is 20-300 mu m, and the number of the jet spray holes 7 is 2-100.
Fifth embodiment: referring to fig. 1-2, a method of using a push-pull fluidic device for a water-guided laser machining system is described, comprising the steps of:
step 1: firstly, processing an emergent flow nozzle 2 by adopting a water-guide laser nozzle material, and then uniformly forming a plurality of jet flow spray holes 7 along the central line position 9 of the jet flow nozzle 2;
step 2: projecting a machining beam at a centerline position 9 of the jet nozzle 2;
step 3: the jet nozzle 2 is driven to move along the direction of the central line by pushing or pulling the nozzle clamping device 3 through the push-pull mechanism, so that different jet spray holes 7 can all move to the coaxial position of the processing light beam, and the quick replacement of the jet spray holes 7 of the water-guided laser processing system is completed.
The embodiments of the invention disclosed above are intended only to help illustrate the invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention.
Claims (10)
1. A push-pull type jet nozzle device for water-guided laser processing is characterized in that: including light water coupling chamber (1), jet nozzle (2), laser incident window (6) and income water hole (8), jet nozzle (2) are installed in light water coupling chamber (1) below position through push-and-pull mechanism, laser incident window (6) set up the upper end in light water coupling chamber (1), go into water hole (8) and set up the side in light water coupling chamber (1), jet nozzle (2) have a plurality of jet orifice (7) along central line position (9) equipartition, jet nozzle (2) are connected with push-and-pull mechanism through nozzle clamping device (3), push-and-pull mechanism includes adjusting lead screw (5), nozzle clamping device (3) and adjusting lead screw (5) threaded connection.
2. A push-pull jet nozzle device for water-guided laser machining according to claim 1, characterized in that: the optical water coupling cavity (1) is provided with a coupling cavity lower end opening (10) at the lower end, and the coupling cavity lower end opening (10) is in close contact with the jet nozzle (2).
3. A push-pull jet nozzle device for water-guided laser machining according to claim 1, characterized in that: and a laser emitting device is arranged above the light-water coupling cavity (1).
4. A push-pull jet nozzle device for water-guided laser machining according to claim 3, characterized in that: the central line of the laser beam emitted by the laser emitting device is perpendicular to the surface of the jet nozzle (2) and intersects with the central line of the jet nozzle (2).
5. A push-pull jet nozzle device for water-guided laser machining according to claim 1, characterized in that: the nozzle clamping device (3) is internally provided with a groove for fixing the jet nozzle (2).
6. A push-pull jet nozzle device for water-guided laser machining according to claim 1, characterized in that: the outer end of the adjusting screw rod (5) is connected with a knob.
7. A push-pull jet nozzle device for water-guided laser machining according to claim 1, characterized in that: the push-pull mechanism further comprises a slide way (4), the slide way (4) is arranged in parallel with the adjusting screw rod (5), the nozzle clamping device (3) is connected with the slide way (4) in a sliding mode, and the slide way (4) is arranged at the bottom of the light-water coupling cavity (1).
8. A push-pull jet nozzle device for water guided laser machining according to claim 7, wherein: the outer side edge of the slideway (4) and the bottom surface of the nozzle clamping device (3) are marked with scale marks.
9. A push-pull jet nozzle device for water-guided laser machining according to claim 1, characterized in that: the jet nozzle (2) is made of precious stone, glass, metal or nonmetal materials.
10. A method of using a push-pull jet nozzle device for water-guided laser machining as claimed in claim 1, wherein: it comprises the following steps:
step 1: firstly, a strip-shaped jet nozzle (2) is processed by adopting a water-guide laser nozzle material, and then a plurality of jet spray holes are uniformly formed along the central line position (9) of the jet nozzle (2);
step 2: projecting a machining beam at a centerline position (9) of the jet nozzle (2);
step 3: the jet nozzle (2) is driven to move along the direction of the central line by pushing or pulling out the nozzle clamping device (3) through the push-pull mechanism, so that different jet spray holes (7) can move to the coaxial position of the processing light beam, and the quick replacement of the jet spray holes (7) of the water-guided laser processing system is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311087507.0A CN117138989A (en) | 2023-08-28 | 2023-08-28 | Push-pull jet nozzle device for water-guided laser processing and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311087507.0A CN117138989A (en) | 2023-08-28 | 2023-08-28 | Push-pull jet nozzle device for water-guided laser processing and use method |
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| Publication Number | Publication Date |
|---|---|
| CN117138989A true CN117138989A (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311087507.0A Pending CN117138989A (en) | 2023-08-28 | 2023-08-28 | Push-pull jet nozzle device for water-guided laser processing and use method |
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| CN (1) | CN117138989A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090321541A1 (en) * | 2005-01-03 | 2009-12-31 | Volker Holzgrefe | Multi-fan jet nozzle and fuel injector having a multi-fan jet nozzle |
| US20110174786A1 (en) * | 2008-09-24 | 2011-07-21 | Philippe Lefebvre | Method for CO2 Laser Welding with a Dynamic Jet Nozzle |
| JP2013215786A (en) * | 2012-04-10 | 2013-10-24 | Toshiba Corp | Laser processing device, laser processing system, and laser processing method |
| CN208662839U (en) * | 2018-04-26 | 2019-03-29 | 桂林电子科技大学 | A kind of Water Jet Guided Laser system of processing |
| CN110142502A (en) * | 2019-05-15 | 2019-08-20 | 哈尔滨工业大学 | Water guides generating device of laser, water guiding laser-processing system and its processing method |
| CN113787266A (en) * | 2021-09-23 | 2021-12-14 | 山东理工大学 | High-power water-guiding laser processing machine tool for multi-focus lens |
| CN219004922U (en) * | 2022-12-14 | 2023-05-12 | 广东国志激光技术有限公司 | Water-guide laser processing system |
| CN116213957A (en) * | 2023-03-16 | 2023-06-06 | 济南邦德激光股份有限公司 | High-power water-guide laser generating device and method |
| CN116494132A (en) * | 2023-04-17 | 2023-07-28 | 广东工业大学 | Laser-assisted abrasive water jet correlation processing method and device |
-
2023
- 2023-08-28 CN CN202311087507.0A patent/CN117138989A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090321541A1 (en) * | 2005-01-03 | 2009-12-31 | Volker Holzgrefe | Multi-fan jet nozzle and fuel injector having a multi-fan jet nozzle |
| US20110174786A1 (en) * | 2008-09-24 | 2011-07-21 | Philippe Lefebvre | Method for CO2 Laser Welding with a Dynamic Jet Nozzle |
| JP2013215786A (en) * | 2012-04-10 | 2013-10-24 | Toshiba Corp | Laser processing device, laser processing system, and laser processing method |
| CN208662839U (en) * | 2018-04-26 | 2019-03-29 | 桂林电子科技大学 | A kind of Water Jet Guided Laser system of processing |
| CN110142502A (en) * | 2019-05-15 | 2019-08-20 | 哈尔滨工业大学 | Water guides generating device of laser, water guiding laser-processing system and its processing method |
| CN113787266A (en) * | 2021-09-23 | 2021-12-14 | 山东理工大学 | High-power water-guiding laser processing machine tool for multi-focus lens |
| CN219004922U (en) * | 2022-12-14 | 2023-05-12 | 广东国志激光技术有限公司 | Water-guide laser processing system |
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| CN116494132A (en) * | 2023-04-17 | 2023-07-28 | 广东工业大学 | Laser-assisted abrasive water jet correlation processing method and device |
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