CN105195907B - A kind of dust arrester and the laser process equipment using the dust arrester and method - Google Patents
A kind of dust arrester and the laser process equipment using the dust arrester and method Download PDFInfo
- Publication number
- CN105195907B CN105195907B CN201510608390.5A CN201510608390A CN105195907B CN 105195907 B CN105195907 B CN 105195907B CN 201510608390 A CN201510608390 A CN 201510608390A CN 105195907 B CN105195907 B CN 105195907B
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- Prior art keywords
- dust
- nozzle
- collection shell
- high pressure
- negative
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- Laser Beam Processing (AREA)
Abstract
The present invention discloses a kind of dust arrester and the laser process equipment using the dust arrester and method, including dust collection shell, is provided with the dust-collecting cavity of upper and lower opening in dust collection shell；Dust collection shell is provided with nozzle deck, is provided with high pressure nozzle in nozzle deck, is provided with Nozzle angle adjustment device between high pressure nozzle and dust collection shell；The dust collection shell of dust-collecting cavity opposite side is provided with negative inspiratory pressure mouth, is provided with anti-reverse plate between negative inspiratory pressure mouth and dust-collecting cavity, and negative inspiratory pressure mouth is connected with takes out negative pressure device；During use, by this device on laser process equipment, dust-collecting cavity is made to be located at the top and the lower section positioned at laser galvanometer of workpiece to be processed, the dust produced in laser processing procedure enters negative inspiratory pressure mouth in high pressure nozzle and in the presence of taking out negative pressure device, taken out negative pressure device then and siphoned away；Anti-reverse plate is prevented from the dust backflow in negative inspiratory pressure mouth；The present invention clears up dust using negative pressure operation principle, the dust thorough cleaning in time that can be produced Laser Processing.
Description
Technical field
A kind of the present invention relates to laser precision machining technical field, more particularly to the dedusting dress of laser precise processing device
Put.
Background technology
Laser processing technology is fast due to its speed, and reliability stability is high, the advantages of crudy is good, in the industrial production
Have a very wide range of applications.In laser boring, laser cutting process, splash residue out, dust are due to its absorption affinity
By force, light tight the features such as, if cleaned out not in time, it is easy to can accumulate in the surface of processing workpiece or be attached to galvanometer surface
On, this has blocked laser beam to a certain extent, affects the precision and working (machining) efficiency of Laser Processing.It is necessary to provide one for this
Efficient dust arrester is planted, the dust that machining area splashes out is removed in time, is effectively improved the quality of Laser Processing.
Content of the invention
A technical problem to be solved by this invention is to provide a kind of a kind of simple structure, cleaning thoroughly dedusting dress
Put.
For solving above-mentioned technical problem, the technical scheme is that：A kind of dust arrester, including dust collection shell, described
The top end face of dust collection shell is provided with upper port, and the bottom face of the dust collection shell is provided with lower port, in the dust collection shell
It is provided with the dust-collecting cavity connected with the upper port and the lower port；
The dust collection shell of the dust-collecting cavity side is provided with nozzle deck, is provided with gas outlet in the nozzle deck
Towards the high pressure nozzle of the dust-collecting cavity, nozzle angle is installed between the high pressure nozzle and the dust collection shell and adjusts dress
Put, the high pressure nozzle is connected with source of the gas by connecting pipe, the connecting tube between the high pressure nozzle and the source of the gas
Current velocity controller is installed on road；
The dust collection shell of the dust-collecting cavity opposite side is provided with negative inspiratory pressure mouth, the negative inspiratory pressure mouth and the collection
The anti-reverse plate that top is inclined to the negative inspiratory pressure mouth is provided between dirt chamber, and the negative inspiratory pressure mouth is connected with takes out negative pressure dress
Put；
The dust collection shell is provided with the fixed connection apparatus being connected with application apparatus.
Used as a kind of preferred technical scheme, the nozzle deck includes the nozzle clamping in the dust collection shell
Plate, the nozzle card adapter plate are provided with the nozzle draw-in groove passed through for the high pressure nozzle.
Used as a kind of preferred technical scheme, the Nozzle angle adjustment device is rotatably installed in the dust collection shell
Nozzle angle adjustable plate, installs angled positioning and locking device, institute between the nozzle angle adjustable plate and the dust collection shell
The outlet side for stating high pressure nozzle is connected on the nozzle deck, and the other end of the high pressure nozzle is adjusted with the nozzle angle
Plate is fixedly connected.
As a kind of preferred technical scheme, the angle positioning and locking device include through the dust collection shell and with institute
State the clamping screw of nozzle angle adjustable plate threaded connection.
Used as a kind of preferred technical scheme, the current velocity controller includes flow control valve.
Used as a kind of preferred technical scheme, the negative pressure device of taking out includes taking out negative pressure with the negative inspiratory pressure mouth is connected
Pipe, the negative tube of taking out are connected with negative pressure-pumping machine.
Used as a kind of preferred technical scheme, the fixed connection apparatus include fixed connecting plate, the fixed connecting plate
On be provided with least two mounting holes.
Used as a kind of preferred technical scheme, the connecting pipe is connected with two high pressure nozzles by three way cock, and two
The individual high pressure nozzle is connected in the nozzle deck side by side.
As a result of above-mentioned technical proposal, a kind of dust arrester, including dust collection shell, the top end face of the dust collection shell
Upper port is provided with, the bottom face of the dust collection shell is provided with lower port, is provided with the dust collection shell and the upper port
The dust-collecting cavity connected with the lower port；The dust collection shell of the dust-collecting cavity side is provided with nozzle deck, the nozzle
Gas outlet is installed towards the high pressure nozzle of the dust-collecting cavity in deck, installs between the high pressure nozzle and the dust collection shell
There is Nozzle angle adjustment device, the high pressure nozzle is connected with source of the gas by connecting pipe, the high pressure nozzle and the source of the gas
Between the connecting pipe on current velocity controller is installed；The dust collection shell of the dust-collecting cavity opposite side is provided with negative
Pressure air entry, be provided between the negative inspiratory pressure mouth and the dust-collecting cavity top to the negative inspiratory pressure mouth incline anti-reverse
Plate, the negative inspiratory pressure mouth is connected with takes out negative pressure device；The dust collection shell is provided with being fixedly connected of being connected with application apparatus
Device；During use, this device is arranged on application apparatus by fixed connection apparatus, makes dust-collecting cavity be located at workpiece to be processed
Top, the dust produced in the course of processing in high pressure nozzle and are taken out, then by
Take out negative pressure device to siphon away；Anti-reverse plate is prevented from the dust backflow in negative inspiratory pressure mouth；The present invention is clear using negative pressure operation principle
Reason dust, the dust thorough cleaning in time that work pieces process can be produced.
Another technical problem to be solved by this invention is to provide a kind of a kind of laser for being mounted with above-mentioned dust arrester
Process equipment.
For solving above-mentioned technical problem, the technical scheme is that：A kind of laser process equipment, including base, described
Support is installed on base, crossbeam is installed on the support, axially adjustable X-axis drive mechanism is installed on the crossbeam,
Y-axis transmission mechanism is installed on the base, is provided with the Y-axis transmission mechanism and is put down for placing the absorption of processing workpiece
Platform, is provided with Z-axis transmission mechanism on the X-axis drive mechanism, is provided with image collecting device, institute on the Z-axis transmission mechanism
State.
As a result of above-mentioned technical proposal, the dust produced in laser processing procedure by dust arrester in real time thoroughly
Clean out, the machining accuracy of laser process equipment can be ensured, there is provided the yield rate of Laser Processing, reduce production cost.
Another technical problem to be solved by this invention is to provide and a kind of is carried out the one of dedusting using above-mentioned dust arrester
Plant processing method.
For solving above-mentioned technical problem, the technical scheme is that：A kind of laser processing, including dust-removing process,
In the dust-removing process, dedusting is carried out using dust arrester as claimed in claim 1, by the high pressure that high pressure nozzle is produced
The dust of dust intracavity is blown into negative inspiratory pressure mouth by air-flow, is siphoned away the dust in negative inspiratory pressure mouth by negative pressure device is taken out.
As a result of above-mentioned technical proposal, the dust produced in workpiece process by dust arrester in real time thoroughly
Clean out, the machining accuracy of work pieces process can be ensured, there is provided the yield rate of work pieces process, reduce production cost.
Description of the drawings
Structural representations one of the Fig. 1 for embodiment of the present invention dust arrester；
Structural representations two of the Fig. 2 for embodiment of the present invention dust arrester；
Structural representations three of the Fig. 3 for embodiment of the present invention dust arrester；
Structural representations four of the Fig. 4 for embodiment of the present invention dust arrester；
Structural representations of the Fig. 5 for embodiment of the present invention laser process equipment；
Wherein：11- dust collection shells；12- dust-collecting cavities；2- processes workpiece；3- high pressure nozzles；31- nozzle card adapter plates；32- sprays
Mouth draw-in groove；33- nozzle angle adjustable plates；34- clamping screws；35- connecting pipes；36- flow control valves；4- negative inspiratory pressure mouths；
41- takes out negative tube；The anti-reverse plates of 5-；61- fixed connecting plates；62- mounting holes；71- bases；72- supports；73- crossbeams；74-X axles are passed
Motivation structure；75-Y shaft transmissions；76- absorption platforms；77-Z shaft transmissions；8- dust arresters.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.In the following detailed description, only by explanation
Mode describes some one exemplary embodiments of the present invention.Undoubtedly, one of ordinary skill in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, can be being repaiied to described embodiment with a variety of modes
Just.Therefore, accompanying drawing and description are inherently illustrative, rather than are used for limiting scope of the claims.
As depicted in figs. 1 and 2, a kind of dust arrester, including dust collection shell 11, sets on the top end face of the dust collection shell 11
The bottom face for having upper port, the dust collection shell 11 is provided with lower port, is provided with and the upper port in the dust collection shell 11
The dust-collecting cavity 12 connected with the lower port；
The dust collection shell 11 of 12 side of the dust-collecting cavity is provided with nozzle deck, is provided with out in the nozzle deck
High pressure nozzle 3 of the QI KOU towards the dust-collecting cavity 12, the nozzle deck include the nozzle in the dust collection shell 11
Card adapter plate 31, the nozzle card adapter plate 31 are provided with the nozzle draw-in groove 32 passed through for the high pressure nozzle 3；The high pressure nozzle 3
Nozzle angle adjustment device is installed and the dust collection shell 11 between, the Nozzle angle adjustment device is rotatably installed in described
Nozzle angle adjustable plate 33 in dust collection shell 11, is provided between the nozzle angle adjustable plate 33 and the dust collection shell 11
Angle positioning and locking device, the angle positioning and locking device include adjusting through the dust collection shell 11 and with the nozzle angle
The clamping screw 34 of the section threaded connection of plate 33；The outlet side of the high pressure nozzle 3 is connected on the nozzle deck, the high pressure
The other end of nozzle 3 is fixedly connected with the nozzle angle adjustable plate 33；The high pressure nozzle 3 is connected with by connecting pipe 35
Source of the gas (not shown), is provided with flow speed control on the connecting pipe 35 between the high pressure nozzle 3 and the source of the gas
Device, the current velocity controller include flow control valve 36；
As shown in Figure 3 and Figure 4, the dust collection shell 11 of 12 opposite side of the dust-collecting cavity is provided with negative inspiratory pressure mouth 4, institute
The anti-reverse plate 5 for being provided between negative inspiratory pressure mouth 4 and the dust-collecting cavity 12 that top is inclined to the negative inspiratory pressure mouth 4 is stated, described
Negative pressure cavity is formed between anti-reverse plate 5 and the negative inspiratory pressure mouth 4, the negative inspiratory pressure mouth 4 is connected with takes out negative pressure device, described taken out
Negative pressure device includes that be connected with the negative inspiratory pressure mouth 4 takes out negative tube 41, and the negative tube 41 of taking out is connected with negative pressure-pumping machine
(not shown)；
The dust collection shell 11 is provided with the fixed connection apparatus being connected with application apparatus, and the fixed connection apparatus include
Fixed connecting plate 61, is provided with least two mounting holes 62 on the fixed connecting plate 61, during use, by passing through mounting hole 62
Attachment screw this dust arrester is used on the application apparatus, such as laser process equipment, by adjusting attachment screw
Position in the mounting hole 62 can adjust the distance of dust arrester and processing workpiece 2.
The quantity of the high pressure nozzle 3 can determine according to the size of dust collection shell 11, in the present embodiment, the company
Adapter road 35 is connected with two high pressure nozzles 3 by three way cock, and two high pressure nozzles 3 are connected in the nozzle card side by side
In seat.
Operation principle：High pressure nozzle 3 is connected with source of the gas, high pressure nozzle 3 to jet in dust-collecting cavity 12, while in negative pressure-pumping
In the presence of machine, the dust that work pieces process is produced is sucked away by negative inspiratory pressure mouth 4, and in the presence of adverse current plate, dust is unidirectional
Negative inspiratory pressure mouth 4 is flowed to from dust-collecting cavity 12, will not adverse current.The spray angle of high pressure nozzle 3 for obliquely towards processing workpiece 2,
The jet angle of high pressure nozzle 3 can be adjusted by nozzle angle adjustable plate 33, during regulation, loosened clamping screw 34, rotated spray
Then mouth angle adjustment plate 33 tightens clamping screw 34 to suitable angle.
As shown in figure 5, a kind of laser process equipment, including base 71, support 72 is installed on the base 71, described
Crossbeam 73 is installed on frame 72, axially adjustable X-axis drive mechanism 74 is installed on the crossbeam 73, X-axis drive mechanism 74 can
Make transverse horizontal movement along crossbeam 73, Y-axis transmission mechanism 75 is installed, in the Y-axis transmission mechanism 75 on the base 71
It is provided with for placing the absorption platform 76 for processing workpiece 2, absorption platform 76 can make water along perpendicular to the direction of crossbeam 73
Translation is dynamic, and processing workpiece will be attracted on absorption platform and be laser machined；Z axis are installed on the X-axis drive mechanism 74
Drive mechanism 77, Z-axis transmission mechanism 77 can make elevating movement along vertical direction, be provided with figure on the Z-axis transmission mechanism 77
As harvester, foregoing dust arrester 8 on the Z-axis transmission mechanism 77, is also equipped with；Laser scanning galvanometer and image
Harvester page is arranged on the Z-axis transmission mechanism 77.
In the present invention, dust collection shell 11 is set installed in Laser Processing by fixed connecting plate 61 using upper and lower opening type
The underface of standby galvanometer, the laser beam that galvanometer is produced are being processed on workpiece 2 for 11 dozens through dust collection shell.On fixed connecting plate 61
End is provided with mounting hole 62, and dust collection shell 11 is adjusted to the distance of processing workpiece 2 by the mounting hole 62 on fixed connecting plate 61
Section.
The dust produced in laser processing procedure is thoroughly cleaned out in real time by dust arrester 8, can ensure that laser adds
The machining accuracy of construction equipment, there is provided the yield rate of Laser Processing, reduces production cost.
A kind of laser processing, including dust-removing process, in the dust-removing process, using foregoing dust arrester
8 carry out dedusting, and the dust of dust intracavity is blown into negative inspiratory pressure mouth by the high pressure draught produced by high pressure nozzle, are filled by negative pressure is taken out
Put and the dust in negative inspiratory pressure mouth is siphoned away.
High pressure nozzle 3 at an angle to processing workpiece 2 machining area blowout at a high speed, uniform gas, gas is by work
The dust that part processing splashes out blows to negative pressure cavity, and negative pressure cavity will efficiently blow over the dust resorption for coming.High pressure nozzle 3 is by connecting
Joint is connected with flow control valve 36 with connecting pipe 35, the flow velocity for controlling 3 gas of high pressure nozzle by flow control valve 36.Work
The dust produced in the part course of processing is thoroughly cleaned out in real time by dust arrester 8, can ensure the processing essence of work pieces process
Degree, there is provided the yield rate of work pieces process, reduces production cost.
Ultimate principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, simply explanation described in above-described embodiment and description this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (10)
1. a kind of dust arrester, it is characterised in that：Including dust collection shell, the top end face of the dust collection shell is provided with upper port,
The bottom face of the dust collection shell is provided with lower port, is provided with and connects with the upper port and the lower port in the dust collection shell
Logical dust-collecting cavity；
The dust collection shell of the dust-collecting cavity side is provided with nozzle deck, be provided with the nozzle deck gas outlet towards
The high pressure nozzle of the dust-collecting cavity, is provided with Nozzle angle adjustment device, institute between the high pressure nozzle and the dust collection shell
State high pressure nozzle and source of the gas is connected with by connecting pipe, pacify on the connecting pipe between the high pressure nozzle and the source of the gas
Current velocity controller is housed；
The dust collection shell of the dust-collecting cavity opposite side is provided with negative inspiratory pressure mouth, the negative inspiratory pressure mouth and the dust-collecting cavity
Between be provided with the anti-reverse plate that top inclines to the negative inspiratory pressure mouth, the negative inspiratory pressure mouth is connected with takes out negative pressure device；
The dust collection shell is provided with the fixed connection apparatus being connected with application apparatus.
2. a kind of dust arrester as claimed in claim 1, it is characterised in that：The nozzle deck is included installed in the dust
Nozzle card adapter plate on housing, the nozzle card adapter plate are provided with the nozzle draw-in groove passed through for the high pressure nozzle.
3. a kind of dust arrester as claimed in claim 1, it is characterised in that：The Nozzle angle adjustment device is rotatably installed in
Nozzle angle adjustable plate in the dust collection shell, installs between the nozzle angle adjustable plate and the dust collection shell angled
Positioning and locking device, the outlet side of the high pressure nozzle are connected on the nozzle deck, the other end of the high pressure nozzle with
The nozzle angle adjustable plate is fixedly connected.
4. a kind of dust arrester as claimed in claim 3, it is characterised in that：The angle positioning and locking device is included through institute
The clamping screw that states dust collection shell and be threadedly coupled with the nozzle angle adjustable plate.
5. a kind of dust arrester as claimed in claim 1, it is characterised in that：The current velocity controller includes flow speed control
Valve.
6. a kind of dust arrester as claimed in claim 1, it is characterised in that：The negative pressure device of taking out includes inhaling with the negative pressure
What QI KOU connected takes out negative tube, and the negative tube of taking out is connected with negative pressure-pumping machine.
7. a kind of dust arrester as claimed in claim 1, it is characterised in that：The fixed connection apparatus include being fixedly connected
Plate, is provided with least two mounting holes on the fixed connecting plate.
8. a kind of dust arrester as described in claim 1 to 7 any claim, it is characterised in that：The connecting pipe leads to
Cross three way cock and be connected with two high pressure nozzles, two high pressure nozzles are connected in the nozzle deck side by side.
9. a kind of laser process equipment, including base, is provided with support on the base, is provided with crossbeam, institute on the support
State and axially adjustable X-axis drive mechanism is installed on crossbeam, Y-axis transmission mechanism is installed on the base, the Y-axis driver
It is provided with structure for placing the absorption platform for processing workpiece, Z-axis transmission mechanism is installed on the X-axis drive mechanism, the Z
Image collecting device is installed on shaft transmission, it is characterised in that：It is also equipped with such as claim on the Z-axis transmission mechanism
Dust arrester described in 1.
10. a kind of laser processing, including dust-removing process, it is characterised in that：In the dust-removing process, will using such as right
The dust arrester described in 1 is asked to carry out dedusting, the dust of dust intracavity is blown into negative pressure by the high pressure draught produced by high pressure nozzle
Dust in negative inspiratory pressure mouth is siphoned away by air entry by negative pressure device is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510608390.5A CN105195907B (en) | 2015-07-20 | 2015-09-22 | A kind of dust arrester and the laser process equipment using the dust arrester and method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015104265896 | 2015-07-20 | ||
| CN201510426589 | 2015-07-20 | ||
| CN201510608390.5A CN105195907B (en) | 2015-07-20 | 2015-09-22 | A kind of dust arrester and the laser process equipment using the dust arrester and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105195907A CN105195907A (en) | 2015-12-30 |
| CN105195907B true CN105195907B (en) | 2017-03-15 |
Family
ID=54944037
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510608390.5A Expired - Fee Related CN105195907B (en) | 2015-07-20 | 2015-09-22 | A kind of dust arrester and the laser process equipment using the dust arrester and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105195907B (en) |
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| CN107127458A (en) * | 2017-05-26 | 2017-09-05 | 东莞市盛雄激光设备有限公司 | The full-automatic double-ended ultraviolet cutting machine of double |
| CN107598369A (en) * | 2017-10-20 | 2018-01-19 | 大族激光科技产业集团股份有限公司 | A kind of dust arrester, process equipment and dust removal method using the dust arrester |
| CN107716458A (en) * | 2017-11-22 | 2018-02-23 | 广东金弘达自动化科技股份有限公司 | A kind of dedusting mechanism applied to EVA foam direction discernment dust removal machines |
| CN108161222B (en) * | 2018-01-25 | 2024-05-24 | 广东新宇智能装备有限公司 | Dust and slag removing device for laser cutting pole piece |
| CN108385247B (en) * | 2018-05-28 | 2024-02-09 | 神马实业股份有限公司 | Dust collection system and method for air jet loom |
| CN109013632A (en) * | 2018-09-17 | 2018-12-18 | 武汉吉事达科技股份有限公司 | A kind of double galvanometer stations thin pipe formula dust-extraction unit |
| CN110420934A (en) * | 2019-08-06 | 2019-11-08 | 速博达(深圳)自动化有限公司 | A kind of dust-extraction unit, battery pole piece cleaning machine and battery production equipment |
| CN110961384A (en) * | 2019-12-02 | 2020-04-07 | 广东凯德伦集团有限公司 | Novel descaling machine |
| CN111992932B (en) * | 2020-08-25 | 2022-05-03 | 北京建企动力科技工程有限公司 | Welding device with smoke self-absorption structure for steel structure machining |
| CN112091486A (en) * | 2020-09-15 | 2020-12-18 | 海目星（江门）激光智能装备有限公司 | Battery welding positioning dust collector and battery welding machine |
| CN114434026A (en) * | 2021-12-28 | 2022-05-06 | 青岛歌尔微电子研究院有限公司 | Laser cutting dust collecting device and method |
| CN117102665B (en) * | 2023-07-17 | 2024-01-30 | 南京农业大学 | Hot cutting device and hot cutting method for chip frame production |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307939A (en) * | 2001-01-02 | 2001-08-15 | 刘毅 | Jet dedusting and cleaning method and device |
| JP5268097B2 (en) * | 2008-09-04 | 2013-08-21 | ヒューグルエレクトロニクス株式会社 | Dust remover |
| JP2010264341A (en) * | 2009-05-12 | 2010-11-25 | Fujitsu Ltd | Dust collecting apparatus and dust analysis method |
| JP6222903B2 (en) * | 2012-08-17 | 2017-11-01 | 株式会社ディスコ | Laser processing equipment |
| CN104056813B (en) * | 2014-06-10 | 2015-12-02 | 京东方科技集团股份有限公司 | A kind of dust arrester |
| CN104439718A (en) * | 2014-11-27 | 2015-03-25 | 北京万通博瑞金属加工有限公司 | Laser cutting equipment |
-
2015
- 2015-09-22 CN CN201510608390.5A patent/CN105195907B/en not_active Expired - Fee Related
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| CN105195907A (en) | 2015-12-30 |
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Granted publication date: 20170315 Termination date: 20210922 |