CN108817696A - A kind of laser cuts tab dust pelletizing system and method - Google Patents
A kind of laser cuts tab dust pelletizing system and method Download PDFInfo
- Publication number
- CN108817696A CN108817696A CN201810805466.7A CN201810805466A CN108817696A CN 108817696 A CN108817696 A CN 108817696A CN 201810805466 A CN201810805466 A CN 201810805466A CN 108817696 A CN108817696 A CN 108817696A
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- Prior art keywords
- dust
- pressure
- dedusting chamber
- strainer
- laser
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Classifications
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- 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
-
- 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
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
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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
This application discloses a kind of laser to cut tab dust pelletizing system and method, wherein dust pelletizing system includes dedusting chamber and dust sucting pipeline interconnected, dedusting chamber includes setting lower dedusting chamber in the inner, the lower entering-dust mouth communicated with the dedusting chamber and lower dust-exhausting port, set on the first gas nozzle lower dedusting chamber indoor air knife and be connected with air knife, it is provided with strainer at lower entering-dust mouth, dust sucting pipeline includes：Dust suction interface pipe with pressure relief opening；And the vent pressure being installed at pressure relief opening adjusts cover board.Dust suction interface pipe includes：Inner tube is spaced the outer tube being set in outside the inner tube, is formed in the negative pressure inner cavity of internal tube, the positive pressure exocoel being formed between inner and outer tubes, the second gas nozzle and leftover pieces blow gun communicated with positive pressure exocoel；Pressure relief opening is communicated with negative pressure inner cavity.This laser of the application, which cuts tab dust pelletizing system, to avoid dust accumulation to enhance pick-up performance, reduce dust temperature, eliminate pipeline flammability issues.
Description
Technical field
This application involves lithium ion battery production equipment fields, and in particular to a kind of laser cuts tab dust pelletizing system and side
Method.
Background technique
When electrodes of lithium-ion batteries laser is cut in tab forming process, and laser cuts tab generate dust processing be always
A stubborn problem；The dust that laser cuts tab generation will affect the quality of pole piece, trouble be caused to subsequent technique, to entire
The production and use of battery have security risk；Air can be polluted, if the dust generated in production process does not handle clean meeting
It directly floats in air, pollutes air；Service life of equipment is reduced, the dust of generation can enter directly into equipment bearing, electricity
The inside components such as gas part damage component, reduce the service life.The dust removal method that industry has had no laser cutting position dedusting at present,
It is all made of front air knife and adds negative pressure form dedusting, farther out, dust removing effects are bad for position of the dedusting chamber from the long-living dust of pole piece；Cutting
The high-temperature dust particle of generation is easy blocking pipeline, causes pipeline on fire.
Dedusting method used at present is that dedusting is intracavitary at the top of laser cutting station pole piece plus dedusting chamber have positive pressure air knife with
Negative pressure forms a flow field in the mobile direction of pole piece, but dedusting chamber siphons away dust while is easy pole piece to be cut tab and generate
Leftover pieces be drawn into negative pressure cavity together, block pipeline, leftover pieces shake lead to pole piece off-focal, occur can't cut viscous
Band；Farther out from cleavage, while lower negative pressure largely influences dust suction to dedusting chamber, reduces negative pressure in pipeline, wind speed in pipeline
Relatively slow, dust easily blocks pipeline.
Summary of the invention
The purpose of the application is：In view of the above-mentioned problems, the application proposes that a kind of laser cuts tab dust pelletizing system and method, with
Enhance pick-up performance, avoid dust accumulation, reduce dust temperature, eliminates pipeline flammability issues.
In order to achieve the above object, the technical solution of the application is：
A kind of laser cuts tab dust pelletizing system, including dedusting chamber interconnected and dust sucting pipeline, and the dedusting chamber includes
If lower dedusting chamber in the inner, the lower entering-dust mouth communicated with the dedusting chamber and lower dust-exhausting port are set to the lower dedusting chamber
Interior air knife and the first gas nozzle being connected with the air knife are provided with strainer at the lower entering-dust mouth；
The dust sucting pipeline includes：
Dust suction interface pipe with pressure relief opening, inlet end are connected with the lower dust-exhausting port, and outlet side connects main suction
Dirt pipeline；And
It is installed on the vent pressure at the pressure relief opening and adjusts cover board；
The dust suction interface pipe includes：
Inner tube,
It is spaced the outer tube being set in outside the inner tube,
It is formed in the negative pressure inner cavity inside said inner tube,
The positive pressure exocoel being formed between said inner tube and outer tube, and
The second gas nozzle and leftover pieces blow gun communicated with the positive pressure exocoel；
The pressure relief opening is communicated with the negative pressure inner cavity.
This laser of the application cuts tab dust pelletizing system based on the above technical solution, further includes following preferred side
Case：
The strainer is distributed in several strainer steel wires in the strainer frame by strainer frame and parallel interval and constitutes.
The obtuse angle meander line structure that the strainer steel wire is 170 degree, and the length of the strainer steel wire is run along pole piece
Direction be extended.
The vent pressure adjusts cover board and is connected at the pressure relief opening by thumbscrew locking.
This laser of the present invention cuts tab dust removal method, cuts tab dust pelletizing system using above-mentioned laser and carries out.
The advantage of the application is：
1. cleavage dedusting chamber (descending dedusting chamber) can be close to pole piece, the dust being splashed to outside dedusting chamber is less.
2. dedusting chamber and sweep-up pipe can so be increased to prevent leftover pieces from entering dedusting chamber and dust sucting pipeline by increasing strainer
Negative pressure in road enhances pick-up performance.
3. dust sucting pipeline increases adjustable pressure relief opening, pipe negative pressure can be increased to greatest extent, avoids line clogging.
4. dust sucting pipeline uses double-layer structure, outer layer high pressure gas can reduce the temperature of dust and air inside pipeline, disappear
Except pipeline flammability issues.
Detailed description of the invention
Scheme of installation when Fig. 1 is the practical application of dust pelletizing system in the embodiment of the present application；
Fig. 2 is the overall structure diagram of dust pelletizing system in the embodiment of the present application；
Fig. 3 is one of the structural schematic diagram of dedusting chamber in the embodiment of the present application；
Fig. 4 is the second structural representation of dedusting chamber in the embodiment of the present application；
Fig. 5 is the side view of strainer in the embodiment of the present application；
Fig. 6 is the schematic perspective view of strainer in the embodiment of the present application；
Fig. 7 is the schematic perspective view of dust sucting pipeline in the embodiment of the present application；
Fig. 8 is that vent pressure adjusts the mounting structure schematic diagram of cover board on dust sucting pipeline in the embodiment of the present application；
Fig. 9 is the mounting structure schematic diagram that vent pressure adjusts thumbscrew on cover board in the embodiment of the present application；
Figure 10 is dust sucting pipeline sectional view in the embodiment of the present application；
Wherein：100- dedusting chamber, 101- negative-pressure pipeline, the upper dedusting chamber of 102-, 103- upper chamber observation window, 104- first
Gas nozzle, 105- lower chambers observation window, dedusting chamber under 106-, 107- air knife, 108- strainer, 108a- strainer frame, 108b- filter
The netting wire；
200- dust sucting pipeline, 201- dust suction interface pipe, 201a- inner tube, 201b- outer tube, 201c- negative pressure inner cavity, 201d-
Positive pressure exocoel, 202- vent pressure adjust cover board, 203- thumbscrew, 204- leftover pieces blow gun, the second gas nozzle of 205-.
Specific embodiment
The application is described in further detail below by specific embodiment combination attached drawing.The application can be with a variety of
Different forms is realized, however it is not limited to embodiment described in the present embodiment.The purpose of following specific embodiments is provided
It is easy for becoming apparent from present disclosure thorough explanation, wherein the words of the indicating positions such as upper and lower, left and right is only needle
To shown structure in respective figure for position.
However, those skilled in the art may be aware that one or more detail description can be by
Omit, or can also adopt with other methods, component or material.In some instances, some embodiments are not described
Or it is not described later in detail.
In addition, technical characteristic described herein, technical solution can also be in one or more embodiments arbitrarily to close
Suitable mode combines.For those skilled in the art, it should be readily appreciated that method related with embodiment provided herein
Step or operation order can also change.Therefore, any sequence in drawings and examples is merely illustrative purposes, not secretly
Show requirement in a certain order, is required unless expressly stated according to a certain sequence.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
Fig. 1 to Figure 10 shows the preferred embodiment that this laser of the application cuts tab dust pelletizing system, mainly wraps
200 liang of big components of dedusting chamber 100 and dust sucting pipeline are included, and the two is connected with each other.Wherein, dedusting chamber 100 includes setting in the inner
Lower dedusting chamber 106, the lower entering-dust mouth that is communicated with the dedusting chamber and lower dust-exhausting port, be set to the lower indoor wind of dedusting chamber
Knife 107 and the first gas nozzle 104 being connected with the air knife.
When work, dedusting chamber is mounted on laser and cuts right above pole piece, when pole piece laser cuts tab, in cut point in explosive
It up sputters, dust is splashed in lower dedusting chamber 106 upwards from the lower entering-dust mouth in dirt bottom of chamber portion out, and the first gas nozzle 104 connects just
Air pipe provides barotropic gas to air knife 107, and 107 positive pressure of air knife, which is blown, in cavity changes flying dust sputter direction, then passes through dust suction
200 dust suction of pipeline, final dust enter dust sucting pipeline 200 and are pulled away.
The key improvements of the present embodiment are, are provided with strainer 108 at the lower entering-dust mouth.
Moreover, the strainer 108 uses a kind of very cleverly structure, and it is had to leftover pieces on pole piece
It is mobile to be oriented to, to prevent leftover pieces to be stuck in the function at the strainer.Specifically, the strainer by strainer frame 108a and
Parallel interval is distributed in the composition of numerous strainer steel wire 108b in the strainer frame, and the length of every strainer steel wire 108b is equal
Direction along pole piece operation is extended.That is to say, being, only there is the arrangement (filter of strainer steel wire along the mobile direction of pole piece
The length of the netting wire extends along the mobile direction of pole piece), it laterally arranges without strainer steel wire, so can effectively avoid strainer steel wire
The lateral of leftover pieces is stopped to move forward.The diameter of strainer steel wire 108b isThe distance between two steel wires are 4mm.
When cutting a tab after shutting down booting, leftover pieces are floating state, without any safeguard procedures, side
Corner material easily sucks dedusting chamber 100, and then is drawn onto inside dust sucting pipeline 200, is finally blocked in inside pipeline.And the present embodiment is removing
Increase the strainer 108 of above structure at the lower entering-dust mouth of 100 bottom of dirt chamber, strainer 108 enters dedusting chamber blocking leftover pieces
While 100, additionally it is possible to and leftover pieces horizontal Forward be oriented to (prevent leftover pieces laterally card relate at strainer and cannot
Enough pole piece is followed to move forward), while also dust will not be hindered to enter dedusting chamber 100.
More specifically, the obtuse angle meander line structure that above-mentioned strainer steel wire 108b is 170 degree.When practical application, straight line
Side is parallel with the moving direction of pole piece, and another straight line is in the rear side (moving direction relative to pole piece) on aforesaid rectilinear side
And end is upturned thereafter.
Quickly due to dust splashing speed, there is a little dust that can sputter from upper laser entrance to come.For this problem, originally
Embodiment is further improved above-mentioned dirt chamber 100 out again, further includes：If upper dedusting chamber 102 in the inner, and on this
The upper entering-dust mouth and upper dust-exhausting port that dedusting chamber communicates, and the negative-pressure pipeline 101 being connected with the upper dust-exhausting port.Negative-pressure pipeline
101 provide negative-pressure sucking for upper dedusting chamber 102, sputter the dust come from upper laser entrance and are inhaled into upper dedusting chamber 102
It is interior, then taken out of by negative-pressure pipeline 101.
The intracavitary working condition of dirt is observed for the ease of staff, the dirt chamber 100 out further includes upper chamber's observation
Window 103 and lower chambers observation window 105, the upper 102 part cavity wall of dedusting chamber are formed on observation window 103, remove under described
106 part cavity wall of dirt chamber is formed on lower observation window 105.Wherein, lower chambers observation window 105 use transparent PC material, with insert
Formula installation is pulled out, disassembly when cleaning dust is convenient to, transparent PC facilitates whether observation inside cavity has blocking, while observing cut place
Cutting situation.Air inlet duct is offered on upper chamber's observation window 103, after negative-pressure pipeline 101 opens negative pressure, in upper dedusting chamber 102
In crossflow, taken away to enter the dust of upper dedusting chamber 102 by negative-pressure pipeline 101.
Moreover, the upper dedusting chamber 102 and the lower dedusting chamber 106 are interconnected, dust can be so reduced upper
Accumulated plugging in dedusting chamber 102 or lower dedusting chamber 106.
The dust sucting pipeline 200 includes a dust suction interface pipe 201, and is provided with and lets out on the dust suction interface pipe 201
Mouth to be pressed, vent pressure is installed at pressure relief opening and adjusts cover board 202, the inlet end of dust suction interface pipe 201 is connected with lower dust-exhausting port,
Its outlet side connects main dust sucting pipeline.More specifically, aforementioned vent pressure, which adjusts cover board 202, is locked by thumbscrew 203
It is connected at pressure relief opening.
When work, the inlet end (for bell-mouth structure of air) of dust suction interface pipe 201 connects with lower dust-exhausting port, dust suction mouthpiece
The tail portion (i.e. outlet side) in road 201 connects main dust sucting pipeline, provides negative pressure by main dust sucting pipeline, cutting dust is sucked from horn mouth
Inside dust suction interface pipe 201, main pipeline is eventually entered into.
The leftover pieces that generate are lighter when due to cutting, are easy to be picked up, the intracavitary negative pressure of dedusting cannot be excessive, and sweep-up pipe
Then negative pressure is the bigger the better in road, and dust is not easy to accumulate.The present embodiment is adding pressure relief opening, pressure relief opening in dust sucting pipeline inlet
Vent pressure is installed and adjusts cover board 202, is locked with thumbscrew 203, tool is not had to when adjusting, directly unclamps thumbscrew with hand
203, then cover board 202 is adjusted by rotation vent pressure, the size of negative pressure pressure in dust sucting pipeline is adjusted, pressure regulation is played the role of.
Meanwhile the dust that cleavage generates is high-temperature dust, which can also enter cold air, reduce sweep-up pipe while pressure release
Dust temperature in road.
The dust suction interface pipe 201 includes：Inner tube 201a is spaced the outer tube 201b being set in outside the inner tube, is formed in
Negative pressure inner cavity 201c inside said inner tube, the positive pressure exocoel 201d being formed between said inner tube and outer tube, and with it is described
The second gas nozzle 205 and leftover pieces blow gun 204 that positive pressure exocoel communicates.The pressure relief opening is specifically communicated with negative pressure inner cavity 201c, i.e.,
What pressure relief opening was adjusted is the negative pressure pressure in inner tube 201a.
When practical application, the second gas nozzle 205 connects high-pressure air pipe, provides positive pressure, and high pressure cold enters just from the second gas nozzle 205
Exocoel 201d is pressed, then is flowed out from leftover pieces blow gun 204, separates leftover pieces using the high pressure draught that leftover pieces blow gun 204 is blown out.
High pressure gas can also reduce the temperature of inner pipe wall when passing through positive pressure exocoel 201d, to reduce the temperature of air in the 201c of negative pressure inner cavity
Degree reduces dust temperature.
When cutting tab dust pelletizing system using the laser and cutting tab to laser and be dusted, make dedusting chamber close to pole piece, distance
Pole piece only 2mm.The strainer of dirt bottom of chamber portion installation out, dust can lead to sieve meshes, and to enter dedusting intracavitary；It is sucked up when inhaling dust
Leftover pieces by consider net gear outside, will not enter dedusting it is intracavitary.To guarantee leftover pieces not effect of jitter cutting effect in production,
Dedusting chamber (especially descending dedusting chamber) interior negative pressure cannot be too big, and the big negative pressure of dust sucting pipeline domestic demand increases flow velocity.
The foregoing is a further detailed description of the present application in conjunction with specific implementation manners, and it cannot be said that this Shen
Specific implementation please is only limited to these instructions.For those of ordinary skill in the art to which this application belongs, it is not taking off
Under the premise of from the application design, a number of simple deductions or replacements can also be made.
Claims (5)
1. a kind of laser cuts tab dust pelletizing system, including dedusting chamber interconnected (100) and dust sucting pipeline (200), described to remove
Dirt chamber (100) include set lower dedusting chamber (106) in the inner, the lower entering-dust mouth that is communicated with the dedusting chamber and lower dust-exhausting port,
Set on the lower indoor air knife of dedusting chamber (107) and the first gas nozzle (104) being connected with the air knife, which is characterized in that
Strainer (108) are provided at the lower entering-dust mouth；
The dust sucting pipeline (200) includes：
Dust suction interface pipe (201) with pressure relief opening, inlet end are connected with the lower dust-exhausting port, and outlet side connects main suction
Dirt pipeline；And
It is installed on the vent pressure at the pressure relief opening and adjusts cover board (202)；
The dust suction interface pipe (201) includes：
Inner tube (201a),
It is spaced the outer tube (201b) being set in outside the inner tube,
It is formed in the negative pressure inner cavity (201c) inside said inner tube,
The positive pressure exocoel (201d) being formed between said inner tube and outer tube, and
The second gas nozzle (205) and leftover pieces blow gun (204) communicated with the positive pressure exocoel；
The pressure relief opening is communicated with the negative pressure inner cavity (201c).
2. laser as described in claim 1 cuts tab dust pelletizing system, which is characterized in that the strainer (108) is by strainer frame
(108a) and parallel interval are distributed in the composition of several strainer steel wires (108b) in the strainer frame.
3. laser as claimed in claim 2 cuts tab dust pelletizing system, which is characterized in that the strainer steel wire (108b) is 170
The obtuse angle meander line structure of degree, and the length of the strainer steel wire (108b) is extended along the direction that pole piece is run.
4. laser as described in claim 1 cuts tab dust pelletizing system, which is characterized in that the vent pressure adjusts cover board
(202) it is connected at the pressure relief opening by thumbscrew (203) locking.
5. a kind of laser cuts tab dust removal method, it is characterised in that cut pole using the laser as described in any in claim 1-4
Ear dust pelletizing system carries out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810805466.7A CN108817696B (en) | 2017-03-09 | 2017-03-09 | Laser tab cutting and dust removing system and method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810805466.7A CN108817696B (en) | 2017-03-09 | 2017-03-09 | Laser tab cutting and dust removing system and method |
| CN201710138558.XA CN106735891B (en) | 2017-03-09 | 2017-03-09 | Laser cuts tab dust pelletizing system and method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710138558.XA Division CN106735891B (en) | 2017-03-09 | 2017-03-09 | Laser cuts tab dust pelletizing system and method |
Publications (2)
| Publication Number | Publication Date |
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| CN108817696A true CN108817696A (en) | 2018-11-16 |
| CN108817696B CN108817696B (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710138558.XA Active CN106735891B (en) | 2017-03-09 | 2017-03-09 | Laser cuts tab dust pelletizing system and method |
| CN201810805466.7A Active CN108817696B (en) | 2017-03-09 | 2017-03-09 | Laser tab cutting and dust removing system and method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710138558.XA Active CN106735891B (en) | 2017-03-09 | 2017-03-09 | Laser cuts tab dust pelletizing system and method |
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| CN110614203A (en) * | 2019-10-21 | 2019-12-27 | 珠海华冠科技股份有限公司 | Pole piece scraping and coating machine |
| CN111390400A (en) * | 2020-03-17 | 2020-07-10 | 大族激光科技产业集团股份有限公司 | Lithium battery pole piece tab cutting dust collector and lithium battery pole piece tab cutting equipment |
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| CN108127274A (en) * | 2017-12-29 | 2018-06-08 | 深圳吉阳智能科技有限公司 | A kind of laser cuts the device and method of lug |
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| CN114029612B (en) * | 2021-11-16 | 2024-03-26 | 合肥国轩高科动力能源有限公司 | Laser dust removing equipment |
| CN117564459B (en) * | 2024-01-12 | 2024-05-10 | 蔚来电池科技(安徽)有限公司 | Dust removing device for pole piece slitting equipment and pole piece slitting equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614203A (en) * | 2019-10-21 | 2019-12-27 | 珠海华冠科技股份有限公司 | Pole piece scraping and coating machine |
| CN110614203B (en) * | 2019-10-21 | 2024-02-09 | 珠海华冠科技股份有限公司 | Pole piece knife coater |
| CN111390400A (en) * | 2020-03-17 | 2020-07-10 | 大族激光科技产业集团股份有限公司 | Lithium battery pole piece tab cutting dust collector and lithium battery pole piece tab cutting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108817696B (en) | 2020-06-16 |
| CN106735891A (en) | 2017-05-31 |
| CN106735891B (en) | 2019-03-26 |
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Denomination of invention: A dust removal system and method for laser cutting ear Effective date of registration: 20210330 Granted publication date: 20200616 Pledgee: Shenzhen small and medium sized small loan Co., Ltd Pledgor: SHENZHEN GEESUN INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2021980002289 |
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