CN109396643B - Dust excluding hood, dust collector and laser cutting device - Google Patents
Dust excluding hood, dust collector and laser cutting device Download PDFInfo
- Publication number
- CN109396643B CN109396643B CN201811349495.3A CN201811349495A CN109396643B CN 109396643 B CN109396643 B CN 109396643B CN 201811349495 A CN201811349495 A CN 201811349495A CN 109396643 B CN109396643 B CN 109396643B
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- dust
- air inlet
- dust removing
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- 239000000428 dust Substances 0.000 title claims abstract description 173
- 238000003698 laser cutting Methods 0.000 title claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 51
- 238000000605 extraction Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 10
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000002699 waste material 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
- 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
Abstract
The invention relates to the technical field of dust removing equipment, and provides a dust removing cover, a dust removing device and a laser cutting device, wherein a first air inlet for air inflow is formed in a first cavity of the dust removing cover, a cutting opening for avoiding laser is formed in a second cavity of the dust removing cover, an air outlet for air outflow and a second air inlet for air inflow are formed in a third cavity of the dust removing cover, air flows into the first cavity through the first air inlet and flows into the second cavity to take away dust generated at the cutting opening, then flows into the third cavity and flows out of the dust removing cover from the air outlet, so that a dust removing effect is achieved, and the second air inlet formed in the third cavity has a pressure relief effect and can reduce the influence of air pressure fluctuation at the air outlet on the air flow of the second cavity; and the wind speed of the dust removal cavity at the cutting opening can be reduced, and the shaking and defocusing influence of the air flow on the pole piece is reduced, so that stable laser cutting is ensured, and the cutting quality and the cutting efficiency are improved. The dust removing device with the dust removing cover and the laser cutting device have the same beneficial effects.
Description
Technical Field
The invention relates to the technical field of dust removing equipment, in particular to a dust removing cover, a dust removing device and a laser cutting device.
Background
A great deal of dust and smoke are generated in the laser cutting production process, and if the dust and smoke cannot be cleaned effectively, a plurality of problems can be caused, for example: firstly, the retained dust is easy to adhere to the pole piece, and the quality of the lithium battery is affected; secondly, dust easily corrodes a device circuit system, so that the device circuit system is short-circuited, and the normal operation of the device is influenced; thirdly, dust can harm the health of users; fourth, dust belongs to inflammable and explosive articles, and if the dust cannot be effectively removed, potential safety hazards can be brought. Therefore, it is necessary to provide a dust removing device on the laser cutting device so as to remove dust while cutting with laser. Although the dust collector of the prior art achieves the purpose of dust collection, the dust collector produces larger dust collection wind speed at the cutting opening, which easily causes the violent shaking of the pole piece and the suction of the pole piece and waste materials, and causes the pole piece to be defocused, thereby producing the continuous or broken belt phenomenon of the pole piece, affecting the laser cutting quality and the production efficiency, therefore, a new technical scheme is needed to be provided to solve the problems existing in the prior art.
Disclosure of Invention
The invention aims to solve the technical problem of providing a dust hood for solving the problem that a pole piece is greatly vibrated at a cutting opening to be defocused when the dust hood removes dust, and provides the dust hood with the dust hood and a laser cutting device.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a dust excluding hood, including the dust removal chamber, offer cutting opening, first air inlet and gas outlet on the dust excluding hood, the cutting opening is used for dodging laser, first air inlet the gas outlet with the dust removal chamber intercommunication, the dust excluding hood is located one side of gas outlet still be provided with the second air inlet of dust removal chamber intercommunication.
As the improvement of the technical scheme, the dust removing cavity comprises a first cavity, a second cavity and a third cavity which are sequentially communicated, the dust removing cover is provided with the first air inlet at the first cavity, the second cavity is provided with the cutting opening, and the third cavity is provided with the air outlet and the second air inlet for air intake.
As a further improvement of the technical scheme, the second air inlet is formed in the side wall of the dust hood, is positioned between the cutting opening and the air outlet, and is inclined along the direction from the third cavity to the air outlet.
As a further improvement of the technical scheme, the dust hood is of a straight-through structure, and the first cavity, the second cavity and the third cavity are sequentially communicated from one end of the dust hood to the other end of the dust hood.
As a further improvement of the technical scheme, a first flow guiding device is arranged in the third cavity and divides the third cavity into a plurality of air outlet cavities, and the air outlet cavities correspondingly form a plurality of air outlets on the dust hood.
As a further improvement of the technical scheme, a second flow guiding device is arranged in the first cavity and divides the first cavity into a plurality of air inlet cavities, and the air inlet cavities correspondingly form a plurality of first air inlets on the dust hood.
The dust removing device comprises the dust removing cover and further comprises an air extracting cover, wherein the air extracting cover is communicated with the air outlet, and air in the dust removing cover can be extracted from the air outlet by extracting air from the air extracting cover.
As an improvement of the above technical solution, the dust removal device further comprises an air inlet device, wherein the air inlet device is arranged at the first air inlet and supplies air to the inside of the dust removal cover.
As a further improvement of the above technical solution, the air intake device is disposed corresponding to the bottom of the first air intake.
As a further improvement of the above technical solution, a first flow guiding device is arranged in the third cavity, the first flow guiding device divides the third cavity into a plurality of air outlet cavities, the air outlet cavities correspondingly form a plurality of air outlets on the dust hood, and the air outlets below correspond to the air inlet devices.
As a further improvement of the technical scheme, the air exhaust cover further comprises a plurality of air exhaust pipelines which are mutually isolated, and the air exhaust pipelines respectively correspond to the air outlet cavity for air exhaust.
As a further improvement of the technical scheme, the first cavity is internally provided with the second flow guiding device, the second flow guiding device divides the first cavity into a plurality of air inlet cavities, the air inlet cavities correspondingly form a plurality of first air inlets on the dust hood, and the air inlet devices are correspondingly arranged at the first air inlets at the bottom.
The laser cutting device comprises a laser emitting device and the dust removing device.
The beneficial effects of the invention are as follows:
the dust hood is provided with the first air inlet for air inlet at the first cavity, the second cavity is provided with the cutting port for avoiding laser, the third cavity is provided with the air outlet for air outlet and the second air inlet for air inlet, air flow enters the first cavity through the first air inlet and flows into the second cavity to take away dust generated at the cutting port, then the dust flows into the third cavity and flows out of the dust hood from the air outlet, so that the dust removal effect is achieved, and the second air inlet arranged on the third cavity has the pressure relief effect, so that the influence of air pressure fluctuation at the air outlet on the air flow of the second cavity can be reduced; on the other hand, the wind speed of the dust removing cavity at the cutting opening can be reduced, the shaking and defocusing influence of the air flow on the pole piece is reduced, and therefore stable laser cutting is guaranteed, and cutting quality and cutting efficiency are improved. The dust removing device with the dust removing cover and the laser cutting device have the same beneficial effects.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following description will briefly explain the drawings that are required to be used in the description of the embodiments:
FIG. 1 is a schematic view showing the overall structure of an embodiment of a dust removing device of the present invention;
fig. 2 is a cross-sectional view of a first embodiment of the dust removing device of the present invention;
FIG. 3 is a cross-sectional view of a second embodiment of the dust removing device of the present invention;
fig. 4 is a cross-sectional view of a third embodiment of the dust removing device of the present invention.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The description of the orientations of the various elements of the invention in relation to the top, bottom, left, right, etc. is merely illustrative of the relative positions of the various elements of the invention in the drawings. The technical features of the invention can be interactively combined on the premise of no contradiction and conflict.
Embodiment one:
fig. 1 is a schematic diagram of the overall structure of an embodiment of a dust removing device according to the present invention, fig. 2 is a cross-sectional view of a first embodiment of the dust removing device according to the present invention, referring to fig. 1 and 2, the dust removing device includes a dust removing cover 2, a dust removing cavity is formed inside the dust removing cover 2, a cutting opening 22, a first air inlet 21 and an air outlet 23 are formed on the dust removing cover, the cutting opening 22 is used for avoiding laser, the first air inlet 21 and the air outlet 23 are communicated with the dust removing cavity, and a second air inlet 24 is further formed on one side of the dust removing cover 2 located at the air outlet 23 and communicated with the dust removing cavity. The dust removing cavity comprises a first cavity 201, a second cavity 202 and a third cavity 203 which are sequentially communicated, a first air inlet 21 for air inlet is formed in the first cavity 201 of the dust removing cover 2, a cutting port 22 for avoiding laser is formed in the second cavity 202, an air outlet 23 for air outlet and a second air inlet 24 for air inlet are formed in the third cavity 203, air flow enters the first cavity 201 through the first air inlet 21 and flows through the second cavity 202 to take away dust generated at the cutting port 22, then flows into the third cavity 203 and flows out of the dust removing cover 2 from the air outlet 23, so that a dust removing effect is achieved, the second air inlet 24 formed in the third cavity 203 plays a role in pressure relief, and when the negative pressure of the air outlet 23 is large, part of air enters the third cavity 203 from the second air inlet 24 to the air outlet 23, so that on one hand, the influence of air outlet air pressure fluctuation on the air flow of the second cavity can be reduced; on the other hand, the air speed of the dust removing cavity at the cutting opening can be reduced, the shaking and defocusing influence of air flow on the pole piece is reduced, so that stable laser cutting is ensured, and the problems that in the prior art, the pole piece shakes and is defocused at the cutting opening 22 when the dust removing device removes dust, and the cutting quality and the cutting efficiency are influenced are solved.
The second air inlet 24 is formed on the side wall of the dust hood 2 and is inclined along the direction from the third cavity 203 to the air outlet 23, so that the area of the communication part between the second air inlet 24 and the third cavity 203 can be enlarged, and the full air inlet pressure relief is facilitated. The second air inlet 24 is located between the cutting opening 22 and the air outlet 23, that is, the second air inlet 24 is located behind the cutting opening 22, so that the influence of air pressure fluctuation of the air outlet on the air flow of the second cavity can be reduced, and the air speed of the dust removing cavity at the cutting opening can be reduced, so that the shaking and defocusing influence of the air flow on the pole piece can be reduced. In this embodiment, the dust hood 2 is provided with a second air inlet 24, and in implementation, a plurality of second air inlets 24 may be provided on the sidewall of the dust hood 2 corresponding to the third cavity 203 to achieve the above-mentioned effects.
The third cavity 203 gradually decreases from the second cavity 202 toward the air outlet 23 to form a closing-in structure, so that the flow rate can be increased and the pressure can be reduced when the air outlet 23 is pumped.
The dust hood 2 is in a straight-through structure, and the first cavity 201, the second cavity 202 and the third cavity 203 are sequentially communicated from one end to the other end of the dust hood 2, so that the airflow channel is a straight-through channel, and the dust removal efficiency is improved.
Based on the dust hood 2, the air exhaust hood 3 of the dust collector is communicated with the air outlet 23 of the dust hood 2 and is connected with an air exhaust source (not shown), and when the dust collector works, the air exhaust source (not shown) exhausts air to the air exhaust hood 3, so that air in the dust hood 2 can be pumped out from the air outlet 23, and dust is taken out of the dust hood 2, so that the aim of timely dust collection during laser cutting is fulfilled.
The dust removal device can be further provided with an air inlet device 1 to obtain a larger air inlet speed, and a common air knife can be selected as the air inlet device, and the air inlet device 1 is arranged at the first air inlet 21 and supplies air into the dust removal cover 2 to form a dust removal scheme of supplying air and exhausting air at the same time, so that the dust removal efficiency is improved.
Considering that the air supply of the air inlet device 1 can affect the pole piece at the cutting opening 22, the pole piece is easy to shake under the action of air flow, and the air inlet device 1 is arranged at the bottom of the position corresponding to the first air inlet 21, so that most of the air flow supplied by the air inlet device 1 blows to the bottom of the cutting opening 22, the influence of the air supply air flow on the pole piece can be reduced, and large particle dust settled at the lower part of the second cavity 202 can be blown away, thereby improving the dust removal efficiency.
In order to obtain a proper air inlet speed, a plurality of air inlet devices 1 can be arranged at the first air inlet 21 to supply air, and a small air supply speed can be arranged for the air inlet device 1 corresponding to the height of the cutting opening 22, so that excessive shaking of the pole piece caused by excessive air flow is avoided. In contrast, the air inlet device 1 located at a relatively high level below the cut 22 may be provided with a relatively large air speed of air supply, thereby effectively removing large particle dust settled at the lower portion of the second chamber 202, and thus improving dust removal efficiency.
Embodiment two:
fig. 3 is a cross-sectional view of a second embodiment of the dust collector of the present invention, and referring to fig. 3, the dust hood 2 and the dust collector of the present embodiment are substantially the same as those of the first embodiment, except that:
(1) In this embodiment, in order to better guide the air to flow to the lower side of the second cavity 202, a second guiding device 25 may be disposed at a position below the first cavity 201, where the second guiding device 25 divides the first cavity 201 into a plurality of air inlet cavities, and the air inlet cavities correspondingly form a plurality of first air inlets on the dust hood. Therefore, air flows can enter the dust removing cavity through the first air inlets respectively, and the air flows flowing through the dust removing cavity form different flow rates through the arrangement of different flow rates of the first air inlets, so that the influence of the air flows with too high flow rates on the pole pieces at the cutting opening is prevented on the premise of guaranteeing high-efficiency dust removal.
The second flow guiding device 25 may be a plate structure integrally formed in the first cavity 201, or a plate structure fixedly installed in the first cavity 201, so that the first cavity 201 forms an upper and a lower two parts which are spaced apart or communicated with each other, respectively, a first upper cavity 2011 located at the upper part and a first lower cavity 2012 located at the lower part, respectively, to form two air inlets of the first upper air inlet 211 and the first lower air inlet 212, the air inlet device 1 is arranged at the first lower air inlet 212, and the air flow sent by the air inlet device 1 enters the second cavity 202 along the first lower cavity 2012, thereby realizing the guiding effect on the air flow and helping to improve the dust removal efficiency. The position of the second flow guiding device 25 relative to the bottom of the dust hood 2 is not higher than the position of the lower side edge of the cutting opening 22 relative to the bottom of the dust hood 2, so that the influence of the air flow fed by the air inlet device 1 on the pole piece at the cutting opening 22 is further reduced, the position of the pole piece is kept within the cutting focus range, and the cutting quality and the cutting efficiency are guaranteed. In the specific implementation, a plurality of air inlet cavities and a plurality of corresponding first air inlets can be arranged according to the principle, and the invention is not limited in number.
(2) In this embodiment, the first flow guiding device 26 is disposed in the third chamber 203 of the dust hood 2, and divides the third chamber into a plurality of air outlet chambers, and the air outlet chambers correspondingly form a plurality of air outlets on the dust hood, so that the air in the dust hood chamber can flow out of the dust hood chamber through the air outlets respectively, or the dust hood chamber can be pumped through the air outlets respectively.
The first flow guiding device 26 may be a plate structure integrally formed in the third cavity 203, or a plate structure fixedly installed in the third cavity 203, the first flow guiding device 26 divides the third cavity 203 into two parts, namely a third upper cavity 2031 and a third lower cavity 2032, which are respectively formed on the dust hood 2 correspondingly with a first air outlet 231 and a second air outlet 232, and the third lower cavity 2032 corresponds to the air inlet device 1. Therefore, most of the air flow sent by the air inlet device 1 can be pumped out through the third lower cavity 2032 during air pumping, and the air pumping efficiency is improved. The position of the first flow guiding device 26 relative to the bottom of the dust hood 2 is not higher than the position of the lower side edge of the cutting opening 22 relative to the bottom of the dust hood 2, so that the influence of the air flow fed by the air inlet device 1 on the pole piece at the cutting opening 22 is further reduced, the position of the pole piece is kept within the cutting focus range, and the cutting quality and the cutting efficiency are guaranteed. In the specific implementation, a plurality of air outlet cavities and a plurality of corresponding air outlets can be arranged according to the principle, and the invention does not limit the number.
Except for the above-mentioned differences, other structures and principles of the present embodiment are substantially the same as those of the first embodiment, and will not be described herein.
Embodiment III:
fig. 4 is a cross-sectional view of a third embodiment of the dust removing device of the present invention, and referring to fig. 4, the dust hood 2 and the dust removing device of the present embodiment are substantially the same as those of the second embodiment, except that the following points are adopted:
in this embodiment, 3 a plurality of mutual air extraction pipelines of air extraction cover, these air extraction pipelines correspond the aforesaid respectively and give vent to anger the chamber and bleed to the negative pressure that gives vent to anger that the chamber corresponds of every can make different, avoid too high negative pressure of bleeding to influence the wind speed of incision department in the dust removal chamber, avoid the pole piece to produce the shake of great extent, prevent that the pole piece from defocusing.
In the illustrated embodiment, the air extraction cover 3 includes a first air extraction pipeline 31 and a second air extraction pipeline 32 that are isolated from each other, the first air extraction pipeline 31 is communicated with the third upper cavity 2031, the second air extraction pipeline 32 is communicated with the third lower cavity 2032, and the two air extraction pipelines are respectively communicated with different air extraction sources (not shown), and by respectively extracting air from the first air extraction pipeline 31 and the second air extraction pipeline 32, air in the dust removal cover 2 can be respectively extracted from the first air outlet 231 and the second air outlet 232, and the air pressure of the air extraction can be the same or different, and can be adjusted according to requirements. Based on the arrangement of the air extraction cover 3, a larger air extraction negative pressure can be arranged for the third lower cavity 2032, so that air flow sent by the air supply device is effectively extracted, turbulence generated in the second cavity 202 due to low air extraction efficiency is avoided, and dust is retained.
Fourth embodiment (not shown):
the invention also provides a laser cutting device which comprises a laser emitting device and the dust removing device. The dust removing device is correspondingly arranged at the pole piece cutting position, and when the laser emitted by the laser emitting device cuts the pole piece, the dust removing device removes dust generated by cutting the pole piece, so that adverse effects of the dust on environment, equipment and the like are avoided. The setting of this dust collector makes, when laser emission device launched cuts the pole piece, lets in the air current in the dust excluding hood and can effectively get rid of the dust that the cutting produced to effectively prevent the influence of air current to the pole piece, prevent that the pole piece shake from defocusing, be favorable to improving cutting quality and cutting efficiency.
The present invention is not limited to the above-described preferred embodiments, but various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present invention, and these equivalent modifications and substitutions are intended to be included in the scope of the present invention as defined in the appended claims.
Claims (8)
1. A dust excluding hood, characterized in that: the dust removal device comprises a dust removal cavity, wherein a cutting opening, a first air inlet and an air outlet are formed in a dust removal cover, the cutting opening is used for avoiding laser, the first air inlet and the air outlet are communicated with the dust removal cavity, and a second air inlet communicated with the dust removal cavity is further formed in one side of the air outlet of the dust removal cover; wherein,
the dust removing cavity comprises a first cavity, a second cavity and a third cavity which are sequentially communicated, the dust removing cover is provided with the first air inlet at the first cavity, the second cavity is provided with the cutting opening, the third cavity is provided with the air outlet and a second air inlet for air inlet, the second air inlet is arranged on the side wall of the dust removing cover, is positioned between the cutting opening and the air outlet and is inclined along the direction from the third cavity to the air outlet;
the dust hood is of a straight-through structure, and the first cavity, the second cavity and the third cavity are sequentially communicated from one end of the dust hood to the other end of the dust hood; a first flow guiding device is arranged in the third cavity, the first flow guiding device divides the third cavity into a plurality of air outlet cavities, and the air outlet cavities correspondingly form a plurality of air outlets on the dust hood; the first cavity is internally provided with a second flow guiding device which divides the first cavity into a plurality of air inlet cavities, and the air inlet cavities correspondingly form a plurality of first air inlets on the dust hood.
2. A dust collector, characterized in that: the dust hood of claim 1, further comprising an air extraction hood in communication with the air outlet, wherein air extraction from the air extraction hood extracts air from the dust hood.
3. The dust removing apparatus according to claim 2, wherein: the dust removal device is characterized by further comprising an air inlet device, wherein the air inlet device is arranged at the first air inlet and supplies air to the inside of the dust removal cover.
4. A dust removing device according to claim 3, wherein: the air inlet device is arranged corresponding to the bottom of the first air inlet.
5. The dust removing apparatus according to claim 4, wherein: the dust removal cavity comprises a first cavity, a second cavity and a third cavity which are sequentially communicated, a first flow guiding device is arranged in the third cavity, the first flow guiding device divides the third cavity into a plurality of air outlet cavities, the air outlet cavities correspondingly form a plurality of air outlets on the dust removal cover, and the air outlets below correspond to the air inlet devices.
6. The dust removing apparatus according to claim 5, wherein: the air exhaust cover further comprises a plurality of air exhaust pipelines which are isolated from each other, and the air exhaust pipelines respectively correspond to the air outlet cavity for air exhaust.
7. The dust removing apparatus according to claim 4, wherein: the first cavity is internally provided with a second flow guiding device which divides the first cavity into a plurality of air inlet cavities, the air inlet cavities correspondingly form a plurality of first air inlets on the dust hood, and the air inlet devices are correspondingly arranged at the first air inlets at the bottom.
8. A laser cutting device, characterized in that: comprising a laser emitting device and a dust removing device according to any one of claims 2 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349495.3A CN109396643B (en) | 2018-11-13 | 2018-11-13 | Dust excluding hood, dust collector and laser cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349495.3A CN109396643B (en) | 2018-11-13 | 2018-11-13 | Dust excluding hood, dust collector and laser cutting device |
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| CN109396643A CN109396643A (en) | 2019-03-01 |
| CN109396643B true CN109396643B (en) | 2024-03-19 |
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| CN201811349495.3A Active CN109396643B (en) | 2018-11-13 | 2018-11-13 | Dust excluding hood, dust collector and laser cutting device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110508922B (en) * | 2019-09-03 | 2021-06-15 | 山东华速激光科技有限公司 | Turbocharging dust removal and noise reduction device of laser cutting machine |
| GB2612361A (en) * | 2021-11-01 | 2023-05-03 | Aquasium Tech Limited | Laser welding apparatus |
| CN114905148A (en) * | 2022-06-17 | 2022-08-16 | 深圳市马丁特尼尔技术有限公司 | Double-station board separator smoke extraction system and method |
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| CN109396643A (en) | 2019-03-01 |
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Address after: 518110 301, Building B, Comlong Science Park, Guansheng 5th Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province (one photo multiple site enterprise) Applicant after: Haimuxing Laser Technology Group Co.,Ltd. Address before: 518000 No. 26, 101 Ring Road south of Guanzi street, Longhua District, Shenzhen, Guangdong Applicant before: SHENZHEN HYMSON LASER INTELLIGENT EQUIPMENTS Co.,Ltd. |
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