CN109382583A - A kind of system for laser cutting - Google Patents
A kind of system for laser cutting Download PDFInfo
- Publication number
- CN109382583A CN109382583A CN201710664736.2A CN201710664736A CN109382583A CN 109382583 A CN109382583 A CN 109382583A CN 201710664736 A CN201710664736 A CN 201710664736A CN 109382583 A CN109382583 A CN 109382583A
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- CN
- China
- Prior art keywords
- blowning installation
- laser
- laser cutting
- air
- air extractor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B23K26/142—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 for the removal of by-products
-
- 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
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
A kind of system for laser cutting disclosed by the embodiments of the present invention, is related to laser precision machining technology, is able to solve the problem of cut edge slag cleaning effect difference in existing laser processing procedure.The system includes at least two-way blowning installation, blowning installation all has round gas outlet, two-way blowning installation is respectively placed in above and below laser cutting position, and two annular air outlet alignment cutting parts are blown, and is increased transverse direction gas at cut edge by auxiliary air blowing and is flowed；Bleeding point is the air extractor of conical funnel structure all the way, gas is sucked from funnel top, it is placed in laser cutting operation desk bottom center, air-flow is directed at cutting part underface by the negative pressure formed by pumping, the melted material of cut place is directly adsorbed in air extractor with air-flow, which is mainly used for laser cutting processing technique.
Description
Technical field
The present invention relates to laser precision machining technical field more particularly to a kind of systems for laser cutting.
Background technique
Laser processing is the high power density energy using laser by generating after lens focus, projects material surface production
Raw fuel factor completes process, has a wide range of applications in field of material processing, such as laser cutting, punching, scribing, welding
Deng.Wherein, laser cutting is widely used in the cutting processing of metal material and nonmetallic materials, is compared to traditional processing side
Method has many advantages, such as that cut quality is high, deformation is micro-, at low cost, high-efficient, applicability is wide.
Glass has the characteristics such as good mechanical stability and visible light transmittance, is widely used in aerospace, light
Learn the fields such as electronics, biologic medical.The microstructure graph of glass components is processed frequently with laser cutting method, and laser focuses
Glass material is melted, then melted material is blown down by auxiliary gas and completes cutting.At present in laser cutting process,
Since gas pressure weakens at the especially part opposite longitudinal side edge of cut edge, melted material is not easy to be blown away, will form by melting
Substance concretionary slag again；Its slag number directly determine glass components Precision Machining quality, influence where device
The performance of part.Therefore, how to reduce the slag amount of laser cut edges is to improve the important channel of processing quality.
Summary of the invention
It is an object of the invention to overcome the shortage of prior art, a kind of system for laser cutting is provided, can be solved
The problem of cut edge slag cleaning effect difference in certainly existing laser processing procedure.
Technical solution of the invention:
A kind of system for laser cutting, the system include:
At least two-way blowning installation, blowning installation described in every road all have round gas outlet, first via blowning installation and
Two road blowning installations are respectively placed in above and below laser cutting position, and two annular air outlet alignment cutting parts are blown,
It is blown by auxiliary and increases transverse direction gas flowing at cut edge；
Air extractor all the way, the bleeding point of the air extractor are conical funnel structure, and gas is sucked from funnel top,
It is placed in laser cutting operation desk bottom center, air-flow is directed at cutting part underface by the negative pressure formed by pumping,
The melted material of cut place is directly adsorbed in air extractor with air-flow.
Further alternative, which further includes third road blowning installation, and third road blowning installation is placed in described
All the way above blowning installation, tapered funnel structure, gas is blown out from funnel bottom, across the circle of first blowning installation
Gas outlet blows to laser cutting position.
It is further alternative, in laser cutting process, plan control as follows is used simultaneously to blowning installation and air extractor
Slightly:
The pressure of third blowning installation corresponding pressure table 1 is adjusted between 0.4MPa~0.6MPa；
The pressure of the first blowning installation corresponding pressure table 2 is adjusted between 0.15MPa~0.2MPa；
The pressure of the second blowning installation corresponding pressure table 3 is adjusted between 0.25MPa~0.4MPa；
The valve of air extractor is adjusted, the speed of exhaust is controlled, so that the speed of exhaust is in 1~2m3Between/min.
Further alternative, blowning installation in process, air extractor and laser are unlatched and closed according to following mistake
Cheng Jinhang: pumping is opened, and blowning installation is opened after 5s~10s, and laser is opened after 1s~3s, workbench moves synchronously carry out figure
Processing, close laser after processing is completed, blowning installation is closed after 1s~3s, is evacuated after 5s~10s and is closed.
A kind of system for laser cutting provided in an embodiment of the present invention, compared with prior art the utility model has the advantages that
(1) by designing a kind of multichannel auxiliary gas blowning installation, transverse direction gas stream at cut edge can be effectively increased
It is dynamic, tangential forces are provided；
(2) by designing a kind of air extractor, cutting part lateral airflow can be effectively guided to underface, is increased simultaneously
The circulation of big melted material, so that cut place melted material is directly adsorbed in air extractor with air-flow；
(3) admission pressure not existed together by controlling blowning installation can efficiently control gas flowing, so that laser is cut
Cut normal process it is interference-free while, reduce cut edge at slag secondary deposition probability；
(4) it by editor's laser cutting program, effectively blows in control process, unlatching and the pass of pumping and laser
It closes, guarantees the smoothness of laser cutting process orderly carried out and guarantee gas circulation.
Detailed description of the invention
Included attached drawing is used to provide to be further understood from the embodiment of the present invention, and which constitute one of specification
Point, for illustrating the embodiment of the present invention, and come together to illustrate the principle of the present invention with verbal description.It should be evident that below
Attached drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation
Property labour under the premise of, be also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of system structure diagram for laser cutting provided in an embodiment of the present invention；
Fig. 2 is blowning installation structural schematic diagram in the embodiment of the present invention.
Specific embodiment
Specific embodiments of the present invention are described in detail below in conjunction with attached drawing.In the following description, for solution
Purpose and not restrictive is released, elaborates detail, to help to be apparent from the present invention.However, to those skilled in the art
It is readily apparent that the present invention can also be practiced in the other embodiments departing from these details for member.
It should be noted that only showing in the accompanying drawings in order to avoid having obscured the present invention because of unnecessary details
Gone out with closely related device structure and/or processing step according to the solution of the present invention, and be omitted with relationship of the present invention not
Big other details.
The embodiment of the present invention provides a kind of system for laser cutting, designs multichannel blowning installation；Design air extractor；
Setting is blown and pumping parameter；Editor's laser cutting program；Carry out laser cutting process.Referring to Fig. 1, which includes:
At least two-way blowning installation, blowning installation described in every road all have round gas outlet, first via blowning installation and
Two road blowning installations are respectively placed in above and below laser cutting position, and two annular air outlet alignment cutting parts are blown,
It is blown by auxiliary and increases transverse direction gas flowing at cut edge, reduce slag deposition in edge；
Air extractor all the way, the bleeding point of the air extractor are conical funnel structure, and gas is sucked from funnel top,
It is placed in laser cutting operation desk bottom center, air-flow is directed at cutting part underface by the negative pressure formed by pumping,
The circulation for increasing melted material simultaneously, so that the melted material of cut place is directly adsorbed in air extractor with air-flow.
Further, which further includes third road blowning installation, and third road blowning installation is placed in the first via
Above blowning installation, tapered funnel structure, gas is blown out from funnel bottom, across the round outlet of first blowning installation
Mouth blows to laser cutting position.
As a kind of preferred embodiment of the present embodiment, in laser cutting process, by adjusting auxiliary gas
Boost gauge, the admission pressure of control auxiliary gas, to blowning installation and air extractor simultaneously using strategy control as follows:
The pressure of third blowning installation corresponding pressure table 1 is adjusted between 0.4MPa~0.6MPa；
The pressure of the first blowning installation corresponding pressure table 2 is adjusted between 0.15MPa~0.2MPa；
The pressure of the second blowning installation corresponding pressure table 3 is adjusted between 0.25MPa~0.4MPa；
The valve of air extractor is adjusted, the speed of exhaust is controlled, so that the speed of exhaust is in 1~2m3Between/min.
It is cut by laser program by editor, controls the switch of newly-increased auxiliary gas blowning installation and air extractor, so that
Part process is blown, pumping and laser unlatch and close orderly progress, and one kind as the present embodiment is preferred to be implemented
Scheme, blowning installation, air extractor and unlatching and closing for laser carry out as follows in process: pumping is opened,
Blowning installation is opened after 5s~10s, and laser is opened after 1s~3s, workbench moves synchronously the processing for carrying out figure, is completed the process
After close laser, blowning installation is closed after 1s~3s, is evacuated after 5s~10s and is closed.
Workpiece is mounted on laser cutting device workbench, operating position is adjusted, so that part is in working origin
Place.It is then turned on laser cutting program, the processing of figure needed for carrying out.
A kind of system for laser cutting provided in an embodiment of the present invention, compared with prior art the utility model has the advantages that
(1) by designing a kind of multichannel auxiliary gas blowning installation, transverse direction gas stream at cut edge can be effectively increased
It is dynamic, tangential forces are provided；
(2) by designing a kind of air extractor, cutting part lateral airflow can be effectively guided to underface, is increased simultaneously
The circulation of big melted material, so that cut place melted material is directly adsorbed in air extractor with air-flow；
(3) admission pressure not existed together by controlling blowning installation can efficiently control gas flowing, so that laser is cut
Cut normal process it is interference-free while, reduce cut edge at slag secondary deposition probability；
(4) it by editor's laser cutting program, effectively blows in control process, unlatching and the pass of pumping and laser
It closes, guarantees the smoothness of laser cutting process orderly carried out and guarantee gas circulation.
As above it describes for a kind of embodiment and/or the feature that shows can be in a manner of same or similar at one or more
It is used in a number of other embodiments, and/or combines or substitute the feature in other embodiments with the feature in other embodiments
It uses.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step, component or combinations thereof.
The device and method more than present invention can be by hardware realization, can also be by combination of hardware software realization.The present invention
It is related to such computer-readable program, when the program is performed by logical block, the logical block can be made to realize above
The device or component parts, or the logical block is made to realize various method or steps described above.The invention further relates to
For storing the storage medium of procedure above, such as hard disk, disk, CD, DVD, flash memory.
The many features and advantage of these embodiments are clear according to the detailed description, therefore appended claims are intended to
Cover all these feature and advantage of these embodiments fallen into its true spirit and range.Further, since this field
Technical staff is readily apparent that many modifications and changes, therefore is not meant to for the embodiment of the present invention to be limited to illustrated and description essence
Really structurally and operationally, but all suitable modifications and the equivalent fallen within the scope of its can be covered.
Unspecified part of the present invention is known to the skilled person technology.
Claims (4)
1. a kind of system for laser cutting, which is characterized in that the system includes:
At least two-way blowning installation, blowning installation described in every road all have round gas outlet, first via blowning installation and the second tunnel
Blowning installation is respectively placed in above and below laser cutting position, and two annular air outlet alignment cutting parts are blown, and is passed through
Auxiliary, which is blown, increases transverse direction gas flowing at cut edge；
Air extractor all the way, the bleeding point of the air extractor are conical funnel structure, and gas is sucked from funnel top, is placed in
Air-flow is directed at cutting part underface by laser cutting operation desk bottom center, the negative pressure formed by pumping, cutting
The melted material at place is directly adsorbed in air extractor with air-flow.
2. system according to claim 1, which is characterized in that the system further includes third road blowning installation, the third
Road blowning installation is placed in above the first via blowning installation, tapered funnel structure, and gas is blown out from funnel bottom, passes through institute
The round gas outlet for stating the first blowning installation blows to laser cutting position.
3. system according to claim 2, which is characterized in that in laser cutting process, filled to blowning installation and pumping
It sets while using strategy control as follows:
The pressure of third blowning installation corresponding pressure table 1 is adjusted between 0.4MPa~0.6MPa；
The pressure of the first blowning installation corresponding pressure table 2 is adjusted between 0.15MPa~0.2MPa；
The pressure of the second blowning installation corresponding pressure table 3 is adjusted between 0.25MPa~0.4MPa；
The valve of air extractor is adjusted, the speed of exhaust is controlled, so that the speed of exhaust is in 1~2m3Between/min.
4. system according to claim 3, which is characterized in that blowning installation in process, air extractor and laser
Unlatch and close and carry out as follows: pumping is opened, and blowning installation is opened after 5s~10s, laser unlatching, work after 1s~3s
The processing for carrying out figure is moved synchronously as platform, closes laser after processing is completed, and blowning installation is closed after 1s~3s, after 5s~10s
Pumping is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664736.2A CN109382583A (en) | 2017-08-07 | 2017-08-07 | A kind of system for laser cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664736.2A CN109382583A (en) | 2017-08-07 | 2017-08-07 | A kind of system for laser cutting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109382583A true CN109382583A (en) | 2019-02-26 |
Family
ID=65413059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710664736.2A Pending CN109382583A (en) | 2017-08-07 | 2017-08-07 | A kind of system for laser cutting |
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| CN (1) | CN109382583A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347179A (en) * | 2020-03-17 | 2020-06-30 | 大族激光科技产业集团股份有限公司 | Ultraviolet laser processing technology and system for light-transmitting micropores of electronic equipment |
| CN113042901A (en) * | 2019-12-10 | 2021-06-29 | 北京小米移动软件有限公司 | Manufacturing method of metal shell sound guide hole, metal shell and electronic device |
| CN115383325A (en) * | 2022-09-15 | 2022-11-25 | 长沙大科激光科技有限公司 | Thick plate laser cutting method |
| CN116213924A (en) * | 2023-04-24 | 2023-06-06 | 佛山市创昊达金属制品有限公司 | Cutting machine and cutting method for hardware fitting with cooling gas entering from lower part |
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| JPH08192289A (en) * | 1995-01-12 | 1996-07-30 | Toshiba Corp | Laser beam machining device |
| US20050109745A1 (en) * | 2003-03-15 | 2005-05-26 | Michael Wessner | Laser processing head |
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| CN102672963A (en) * | 2012-02-09 | 2012-09-19 | 王耀民 | Airflow compaction and transmission processing device |
| CN103143842A (en) * | 2013-03-18 | 2013-06-12 | 武汉科技大学 | Laser cutting system for soft material cutting and cutting method of laser cutting system |
| CN205342215U (en) * | 2015-11-28 | 2016-06-29 | 江苏德佳机电科技有限公司 | Supplementary dross removal mechanism of laser cutting processing |
| CN206153766U (en) * | 2016-10-12 | 2017-05-10 | 广东正业科技股份有限公司 | Laser cutting equipment and detect fenestrate device of laser thereof |
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Patent Citations (7)
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| JPH08192289A (en) * | 1995-01-12 | 1996-07-30 | Toshiba Corp | Laser beam machining device |
| US20050109745A1 (en) * | 2003-03-15 | 2005-05-26 | Michael Wessner | Laser processing head |
| CN101161399A (en) * | 2007-11-23 | 2008-04-16 | 康术森 | Welding powder-sprinkling device of double shielding gases dedicated for laser welding apparatus |
| CN102672963A (en) * | 2012-02-09 | 2012-09-19 | 王耀民 | Airflow compaction and transmission processing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042901A (en) * | 2019-12-10 | 2021-06-29 | 北京小米移动软件有限公司 | Manufacturing method of metal shell sound guide hole, metal shell and electronic device |
| CN111347179A (en) * | 2020-03-17 | 2020-06-30 | 大族激光科技产业集团股份有限公司 | Ultraviolet laser processing technology and system for light-transmitting micropores of electronic equipment |
| CN115383325A (en) * | 2022-09-15 | 2022-11-25 | 长沙大科激光科技有限公司 | Thick plate laser cutting method |
| CN116213924A (en) * | 2023-04-24 | 2023-06-06 | 佛山市创昊达金属制品有限公司 | Cutting machine and cutting method for hardware fitting with cooling gas entering from lower part |
| CN116213924B (en) * | 2023-04-24 | 2023-11-10 | 东莞市国鑫五金制品有限公司 | Cutting machine and cutting method for hardware fitting with cooling gas entering from lower part |
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Application publication date: 20190226 |
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