CN108565502A - A kind of lithium battery automatical feeding system and its application method - Google Patents
A kind of lithium battery automatical feeding system and its application method Download PDFInfo
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- CN108565502A CN108565502A CN201810035829.3A CN201810035829A CN108565502A CN 108565502 A CN108565502 A CN 108565502A CN 201810035829 A CN201810035829 A CN 201810035829A CN 108565502 A CN108565502 A CN 108565502A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
A kind of lithium battery automatical feeding system, including powder feeding system, solvent feeding system, blender, transfer tank, coating feed system and control system, the coating feed system includes diaphragm pump, deironing apparatus, coating storage tank, coating die head and the return duct that pipeline between diaphragm pump and transfer tank is connected on coating storage tank, the return duct is equipped with reflux tube valve, and the coating storage tank is equipped with agitating device and contactless liquid level sensor.When coating, when liquid level reaches certain altitude in coating storage tank, transfer tank discharge valve is automatically closed and vacuumizes, then vacuum breaker deaeration, ensure that the uniformity consistency of coating sizing-agent, when liquid level is less than certain altitude again to being coated with storage tank feeding；When system stops line for a long time, transfer tank discharge valve is automatically closed, and reflux tube valve automatically opens, and realizes slurry automatic cycle in coating transfer tank, prevents buildup and siccative from resulting in blockage.
Description
Technical field
The present invention relates to lithium battery slurry production field more particularly to a kind of lithium battery automatical feeding system and its users
Method.
Background technology
With the getting worse of environmental pollution and the gradual failure of conventional energy resource, the clean energy resource of sustainable development becomes people
Focus of attention, lithium ion battery due to higher than energy, safety is good, good cycle, it is pollution-free the advantages that, it has also become hair
Exhibition most soon with most valued high-energy battery, is widely used in each electronic field.The technique of lithium ion battery
Technology is very stringent, complicated, generally comprises material and prepares, is homogenized, being coated with, rolling, cutting, toasting, winding, entering shell, laser
Multiple links such as weldering, baking, fluid injection, preliminary filling, sealing, cleaning, aging, full inspection, shipment.
In the production process, the uniformity consistency of slurry is that lithium battery needs one controlled to lithium ion battery in transfer tank
Important parameter influences the uniformity and coating quality of coating.When lithium battery slurry is in transfer tank, traditional processing method is to use
Stirring motor directly stirs, but easily entrained gas generates bubble in slurry after unlatching stirring, when causing to be coated with not because of feed
Surface density, the deviation of thickness caused by uniformly.A kind of " the lithium battery slurry in holding transfer tank of Patent No. 201610500293
Expect the automatic control system of viscosity consistency ", it can be the slurry uniform stirring of each position in transfer tank, according to inductor
The data-signal of offer is adjusted in time using automation control technique, improves the stability of product quality.And it opens and stirs
The slurry in rear transfer tank is mixed to be easy to dissolve in gas and cause coating abnormal；Coating storage tank does not use for a long time or material is easily tied
When block forms siccative, the very easy blocking of filter causes not to be fed, and to cause filter to need frequent clean, influences producing line
Production.
Invention content
It is an object of the invention to realize bubble-free in slurry, prevent buildup and siccative from resulting in blockage, keep starching when coating
The uniformity of material ensures coating quality, a kind of lithium battery automatical feeding system is provided, using full-automatic control system, technology
Scheme is as follows：
A kind of lithium battery automatical feeding system, including powder feeding system, solvent feeding system, blender, transfer tank, painting distributing
Material system and the control system for controlling the powder feeding system, solvent feeding system, blender, transfer tank, coating feed system
System, the powder feeding system, solvent feeding system and blender, the blender and transfer tank, the transfer tank and coating
Connected by conveyance conduit between feed system, the solvent feeding system and blender, the blender and transfer tank it
Between conveyance conduit be equipped with the discharge valve of pump and control discharging, the powder feeding system and blender, the transfer tank
Conveyance conduit between coating feed system is equipped with the discharge valve of control discharging；The powder feeding system includes feeding intake
Storehouse, the storehouse that feeds intake are equipped with feeding port and the first vacuum system, and the solvent feeding system includes head tank, fluid reservoir, described
The connecting pipe of head tank and fluid reservoir is equipped with pump, and the fluid reservoir is equipped with feed inlet, air bleeding valve, and the blender includes molten
Agent feed inlet, powder feed inlet, agitating device and the second vacuum system, the transfer tank include feed inlet, discharge port, stirring dress
It sets and includes diaphragm pump, deironing apparatus, coating storage tank, coating die head and set with third vacuum system, the coating feed system
In the return duct for being connected to pipeline between diaphragm pump and transfer tank on coating storage tank, the return duct is equipped with reflux pipe valve
Door, the coating storage tank are equipped with agitating device and contactless liquid level sensor, the coating storage tank and coating die head it
Between be equipped with woven hose and liquid back pipe, the woven hose is connected equipped with return valve with the liquid back pipe, and the return valve is three-way ball
Valve, the woven hose are equipped with screw pump, and the deironing apparatus is equipped with altogether two sets, wherein using a set of spare a set of；It uses
In a set of blocking after manual switch it is another set of, a set of dismounting of blocking cleaning reduces scavenging period, does not influence to produce；It is described
The operating mode of coating feed system includes coating mode and stops ray mode, is controlled by the control system.
Transfer tank in lithium battery feeding system stores a large amount of slurries, since the usage time of coating machine is long, when
Between it is long after slurry be easy precipitation, traditional processing method is to open in transfer tank to stir slowly, and guarantee slurry does not generate precipitation uniformly.But
It is to open the slurry stirred slowly in rear transfer tank to be easy to dissolve in gas and cause coating abnormal, therefore installed additional and surpassed in coating storage tank
Sound wave liquid level sensor coordinates with the third vacuum system of transfer tank.When being coated with liquid level arrival certain altitude in storage tank, in
Turn tank discharge valve and be automatically closed and vacuumize certain time, then vacuum breaker deaeration, ensure that the uniformity consistency of slurry.
Further, first vacuum system is wind turbine, extracts out the air to feed intake in storehouse to form negative pressure, prevents powder
Outside air is gone to pollute；Wind turbine is equipped with wind band filter device, prevents powder from blowing out；
Further, second vacuum system includes wind turbine and the surge tank between the blender and the wind turbine,
It extracts out the air in blender and on the conveyance conduit that feeds intake between storehouse and blender to form negative pressure, be in blender at this time
Negative pressure state, powder will be put into along pipeline in blender, and surge tank plays the role of anti-suck；
Further, the third vacuum system include pump and the surge tank between the transfer tank and the pump, due to
It is all easy to dissolve in gas and cause bubble in slurry agitation and transportational process, is extracted gas to ensure that slurry is uniform out using pump
Bubble-free；
Further, the control system is PLC control system, operational process can be monitored online, equipment operation is flexible and convenient.
Further, the conveyance conduit corner between the powder feeding system and blender is equipped with blowning installation,
It blows to conveyance conduit when throwing powder, prevents powder from luming.
Further, the agitating device include be located at the blender above driving motor, be located at the blender
Interior blender, the driving motor are connect with the blender, and the blender can upper and lower telescopic moving；And/or
The contactless liquid level sensor is ultrasonic liquid level sensor or radar level sensor, and elevation carrection range is wide,
It is not influenced by operating modes such as noise, steam, dust, vacuum；Do not changed by Media density and temperature, pressure and temperature endurance
By force；There are many can select mounting means：Top installation, side installation, bypass pipe installation, waveguide pipe installation；And/or
The deironing apparatus includes filter and iron remover, first filters granule foreign, further removes iron tramp；And/or
The reflux tube valve is the operated pneumatic valve of stability and control high sensitivity.
Further, blowning installation institute blowing is the nitrogen of low dew point, the gas dry degree in conveyance conduit
Height prevents powder from luming；
Further, the filter is 120 mesh filters, and the iron remover is ferromagnetic filter screen, and two layers of filter screen makes slurry
In granule foreign fully remove, improve the degree of purity of slurry.
Further, flowmeter is equipped between the transfer tank and the coating feed system, with the contactless liquid
Level sensor is electrically connected.
The application method of the lithium battery automatical feeding system of the present invention, includes the following steps：
A, start powder feeding system, open the first vacuum system storehouse that makes to feed intake and be in negative pressure state, while will be on blender
Second vacuum system is opened, and powder is added to the storehouse that feeds intake, powder is put into along pipeline in blender；
B, solvent is pumped into from head tank in fluid reservoir automatically by pumping, and is automatically transported in blender according to dosage, agitating device pair
Powder and solvent are stirred to obtain slurry；
C, after slurry agitation is good, starts third vacuum system and vacuumize, the slurry in blender be pumped into transfer tank, transfer tank
Interior agitating device is opened, and third vacuum system continues to vacuumize 8 ~ 20 minutes after slurry conveys；
D, the slurry in transfer tank is delivered to coating feed system, is conveyed by diaphragm pump, and painting is transported to after deironing apparatus
In cloth storage tank, it is coated with agitating device in storage tank and opens, the tube valve that flows back at this time is in closed state；When coating liquid tank level
When reaching 75% ~ 90%, the discharge valve between transfer tank and coating feed system is automatically closed, transfer tank automatic vacuum, very
Reciprocal of duty cycle is kept for certain time after reaching setting value, and the time carries out vacuum breaker after；
E, when the coating feed system feeding is coated with, coating mode is selected：Return valve is opened, and is opened screw pump and is conveyed slurry
Lithium battery collector is coated to coating die head, when being coated with storage tank liquid level less than 20% ~ 30% after coating, repeats step
D is recycled with this；
When the coating feed system stops line, selection stops ray mode：Return valve, screw pump are in closed state, return duct
Valve automatically opens, and slurry automatic cycle between coating storage tank, diaphragm pump and deironing apparatus prevents buildup and siccative from causing
It blocks.
Further, in step e, when stopping line, transfer tank cycle is vacuumized and vacuum breaker.
Further, the vacuum degree in the step d in transfer tank is set as 2 ~ 135 Pa, is kept for 5 ~ 20 minutes, is prevented
The generation of slurry bubble.
The automatical feeding system of the present invention, in use, true according to the pumping of automatic liquid surface control transfer tank in coating storage tank
Empty bubble removing keeps the uniform bubble-free of slurry, to prevent influencing Painting effect；Have a holiday or vacation or stop the line time it is long when, transfer
It is vacuumized in tank and stirs preservation slowly, be coated with slurry in storage tank and recycling, prevent buildup or siccative.
Beneficial effects of the present invention are as follows：
1, it installs liquid level sensor additional in coating storage tank, carries out vacuumizing bubble removing according to automatic liquid surface control transfer tank, starch
Expect uniformity, ensures Painting effect；
2, it installs return duct additional between coating storage tank and transfer tank, when system stops line for a long time, is coated with slurry in fluid reservoir
Can automatic cycle, prevent deironing apparatus buildup or siccative from resulting in blockage and not being fed；
3, feeding, stirring, transmission process carry out under vacuum conditions, prevent slurry from dissolving in bubble and cause coating abnormal；Except
It is equipped with flowmeter between iron device and coating storage tank, monitors coating sizing-agent usage amount；
4, using PLC control system, operational process can be monitored online, equipment operation is flexible and convenient；
5, using contactless liquid level sensor, elevation carrection range is wide, and temperature, pressure bearing are strong, are not easy by external condition
It influences.
Description of the drawings
Fig. 1 is that the system of the present invention is electrically connected figure；
Fig. 2 is the lithium battery automatical feeding system structural schematic diagram of the embodiment of the present invention 1；
Fig. 3 is the first vacuum system structural schematic diagram of the present invention；
Fig. 4 is the second vacuum system structural schematic diagram of the present invention；
Fig. 5 is the third vacuum system structural schematic diagram of the present invention；
Fig. 6 is the lithium battery automatical feeding system structural schematic diagram of the embodiment of the present invention 2；
Fig. 7 is the lithium battery automatical feeding system structural schematic diagram of the embodiment of the present invention 3；
Fig. 8 is the lithium battery automatical feeding system structural schematic diagram of the embodiment of the present invention 4；
Fig. 9 is the lithium battery automatical feeding system structural schematic diagram of the embodiment of the present invention 4；
Figure 10 is the blender structural schematic diagram of the present invention.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiment shall fall within the protection scope of the present invention.
Embodiment 1：
As shown in Figure 1, 2, the lithium battery automatical feeding system of the present embodiment, including powder feeding system 1, solvent feeding system 2,
Blender 3, transfer tank 4, coating feed system 5 and the control powder feeding system 1, solvent feeding system 2,3 liang of blender
Platform, transfer tank 4, the control system 6 for being coated with feed system 5, the powder feeding system 1, solvent feeding system 2 divide two-way respectively
It is connect by conveyance conduit with blender 3, between the blender 3 and transfer tank 4, the transfer tank 4 and coating feed system 5
It is connected by conveyance conduit, the delivery pipe between the solvent feeding system 2 and blender 3, the blender 3 and transfer tank 4
Road is equipped with the discharge valve of pump and control discharging, the powder feeding system 1 and blender 3, the transfer tank 4 and painting distributing
Conveyance conduit between material system 5 is equipped with the discharge valve of control discharging；The powder feeding system 1 includes the storehouse 10 that feeds intake,
The storehouse 10 that feeds intake is equipped with feeding port 11 and the first vacuum system 12, and the solvent feeding system 2 includes head tank 20, fluid reservoir
21, the connecting pipe of the head tank 20 and fluid reservoir 21 is equipped with pump 22, and the fluid reservoir is equipped with feed inlet 23, air bleeding valve
24, discharge port 25, the blender 3 include solvent feed mouth 30, powder feed inlet 31, blender 32, the second vacuum system 33
With discharge port 34, the transfer tank 4 includes feed inlet 40, discharge port 41, agitating device 42, third vacuum system 43 and air bleeding valve
44, the coating feed system 5 includes diaphragm pump 50, deironing apparatus 51, coating storage tank 52, coating die head 53 and is set to coating
The return duct 54 of pipeline between diaphragm pump 50 and transfer tank 4 is connected on storage tank 52, the return duct 54 is equipped with return duct
Valve 55, the coating storage tank 52 are equipped with agitating device 521 and contactless liquid level sensor 522, the coating storage tank
Woven hose 56 and liquid back pipe 57 are equipped between 52 and coating die head 53, the woven hose 56 is equipped with return valve 58 and the liquid back pipe
57 are connected, and the return valve 58 is three-way ball valve, and the woven hose 56 is equipped with screw pump 59, and the deironing apparatus 51 is set altogether
There are two sets, wherein using a set of spare a set of；Manual switch is another set of after a set of blocking in use, and a set of dismounting of blocking is clear
Washing reduces scavenging period, does not influence to produce；The operating mode of the coating feed system 5 includes coating mode and stops line mould
Formula is controlled by the control system 6.
Transfer tank in lithium battery feeding system stores a large amount of slurries, since the usage time of coating machine is long, when
Between it is long after slurry be easy precipitation, traditional processing method is to open in transfer tank to stir slowly, and guarantee slurry does not generate precipitation uniformly.But
It is to open the slurry stirred slowly in rear transfer tank to be easy to dissolve in gas and cause coating abnormal, therefore installed additional in coating storage tank non-
Contact liquid level sensor coordinates with the third vacuum system of transfer tank.When being coated with liquid level arrival certain altitude in storage tank,
Transfer tank discharge valve is automatically closed and vacuumizes certain time, then vacuum breaker deaeration, ensure that the uniformity consistency of slurry.When
When the lithium battery automatical feeding system stops line for a long time, the slurry in transfer tank is delivered to coating storage tank liquid level by diaphragm pump
When reaching a certain height, transfer tank discharge valve is automatically closed, and reflux tube valve automatically opens, and realizes slurry in coating storage tank
Automatic cycle prevents buildup and siccative from resulting in blockage.
Embodiment 2：
As shown in Fig. 1,3,4,5,6, the lithium battery automatical feeding system of the present embodiment, including powder feeding system 1, solvent feed intake
System 2, blender 3, transfer tank 4, coating feed system 5 and the control powder feeding system 1, solvent feeding system 2, stirring
3 two, machine, transfer tank 4, the control system 6 for being coated with feed system 5, the powder feeding system 1, solvent feeding system 2 are distinguished
Point two-way connect with blender 3 by conveyance conduit, the blender 3 and transfer tank 4, the transfer tank 4 and is coated with feeding system
It is connected by conveyance conduit between system 5, between the solvent feeding system 2 and blender 3, the blender 3 and transfer tank 4
Conveyance conduit be equipped with the discharge valve of pump and control discharging, the powder feeding system 1 and blender 3, the transfer tank 4
Conveyance conduit between coating feed system 5 is equipped with the discharge valve of control discharging；The powder feeding system 1 includes throwing
Feed bin 10, the storehouse 10 that feeds intake are equipped with feeding port 11 and the first vacuum system 12, and first vacuum system 12 is wind turbine, will be thrown
Air in feed bin 10 is extracted out to form negative pressure, prevents powder from going to outside air and pollutes, and wind turbine is equipped with wind band filtering dress
121 are set, prevents powder from blowing out, the conveyance conduit corner between the powder feeding system 1 and blender 2 is equipped with to blow and fill
7 are set, blows to conveyance conduit when throwing powder, prevents powder from luming；The solvent feeding system 2 includes head tank 20, fluid reservoir
21, the connecting pipe of the head tank 20 and fluid reservoir 21 is equipped with pump 22, and the fluid reservoir is equipped with feed inlet 23, air bleeding valve
24, discharge port 25, the blender 3, including solvent feed mouth 30, powder feed inlet 31, blender 32, the second vacuum system 33
With discharge port 34, second vacuum system 33 is including wind turbine 332 and between the blender 3 and the wind turbine 332
Surge tank 331 extracts out the air in blender 3 and on the conveyance conduit that feeds intake between storehouse 2 and blender 3 to form negative pressure, this
When blender 3 in be in negative pressure state, powder will put into blender 3 along pipeline, and surge tank 331 plays anti-suck
Effect；The transfer tank 4 includes feed inlet 40, discharge port 41, agitating device 42, third vacuum system 43 and air bleeding valve 44, institute
It includes pump 432 and the surge tank 431 between the transfer tank 4 and the pump 432 to state third vacuum system 43, due to slurry
It is all easy to dissolve in gas and cause bubble in stirring and transportational process, is extracted gas to ensure slurry uniformly without gas out using pump
Bubble；The coating feed system 5 includes diaphragm pump 50, deironing apparatus 51, coating storage tank 52, coating die head 53 and is set to coating
The return duct 54 of pipeline between diaphragm pump 50 and transfer tank 4 is connected on storage tank 52, the return duct 54 is equipped with return duct
Valve 55, the coating storage tank 52 are equipped with agitating device 521 and contactless liquid level sensor 522, the coating storage tank
Woven hose 56 and liquid back pipe 57 are equipped between 52 and coating die head 53, the woven hose 56 is equipped with return valve 58 and the liquid back pipe
57 are connected, and the return valve 58 is three-way ball valve, and the woven hose 56 is equipped with screw pump 59, and the deironing apparatus 51 included
Filter 511 and iron remover 512 first filter granule foreign, further remove iron tramp；The deironing apparatus 51 is equipped with altogether
Two sets, wherein using a set of spare a set of；Manual switch is another set of after a set of blocking in use, a set of dismounting cleaning of blocking
Reduce scavenging period, does not influence to produce；The operating mode of the coating feed system 5 includes coating mode and stops ray mode,
It is controlled by the control system 6.The contactless liquid level sensor 522 is ultrasonic liquid level sensor, elevation carrection range
Extensively, it is not influenced by operating modes such as noise, steam, dust, vacuum, pressure and temperature endurance is strong, is mounted on coating storage tank 52 and pushes up
Portion.The control system 6 is PLC control system, operational process can be monitored online, equipment operation is flexible and convenient.
The application method of the lithium battery automatical feeding system of the present embodiment, includes the following steps：
A, start powder feeding system 1, open the first vacuum system 12 storehouse 11 that makes to feed intake and be in negative pressure state, while by blender
The second vacuum system 33 on 3 is opened, and powder is added to the storehouse 11 that feeds intake, powder is put into along pipeline in blender 3；
B, solvent is pumped into from head tank 20 in fluid reservoir 21 automatically by pump 22, is automatically transported in blender 3 according to dosage, is stirred
Machine 3 is stirred to obtain slurry to powder and solvent；
C, after slurry agitation is good, starts third vacuum system 43 and vacuumize, start conveyance conduit between blender 3 and transfer tank 4
On pump the slurry in blender 3 is transported in transfer tank 4, in transfer tank 4 agitating device 42 open, slurry convey after
Third vacuum system 43, which continues to vacuumize 8 minutes, is de-gassed bubble；
D, the slurry in transfer tank 4 is delivered to coating feed system 5, is conveyed by diaphragm pump 50, defeated after deironing apparatus 51
It is sent in coating storage tank 52, is coated with agitating device 521 in storage tank 52 and opens, the tube valve 55 that flows back at this time is in closed state；
When coating 52 liquid level of fluid reservoir reaches 75%, the discharge valve between transfer tank 4 and coating feed system 5 is automatically closed, transfer
4 automatic vacuum of tank, vacuum degree are kept for 5 minutes after reaching 2 Pa, and the time carries out vacuum breaker after；
E, when 5 feeding of coating feed system is coated with, coating mode is selected：Return valve 58 is opened, and it is defeated to open screw pump 59
It send slurry to be coated to coating die head 53 to lithium battery collector, when being coated with storage tank liquid level less than 20% after coating, repeats
Step d, is recycled with this；
When the coating feed system stops line, selection stops ray mode：Return valve 58, screw pump 59 are in closed state, return
Flow tube valve 55 automatically opens, slurry automatic cycle between coating storage tank 52, diaphragm pump 50 and deironing apparatus 51.
The lithium battery automatical feeding system of the present embodiment has installed ultrasonic liquid level sensor additional in coating storage tank, with transfer
The third vacuum system of tank coordinates, and is recycled between slurry conveys and vacuumize de-bubbled, ensure that the uniformity consistency of slurry；
When the lithium battery automatical feeding system stops line for a long time, the slurry in transfer tank is delivered to coating storage tank liquid by diaphragm pump
When position reach a certain height, transfer tank discharge valve is automatically closed, and reflux tube valve automatically opens, and realizes coating storage tank entoplasm
Expect automatic cycle, prevents buildup and siccative from resulting in blockage.
Embodiment 3：
As shown in Fig. 1,3,4,5,7, the lithium battery automatical feeding system of the present embodiment, including powder feeding system 1, solvent feed intake
System 2, blender 3, transfer tank 4, coating feed system 5 and the control powder feeding system 1, solvent feeding system 2, stirring
3 two, machine, transfer tank 4, the control system 6 for being coated with feed system 5, the powder feeding system 1, solvent feeding system 2 are distinguished
Point two-way connect with blender 3 by conveyance conduit, the blender 3 and transfer tank 4, the transfer tank 4 and is coated with feeding system
It is connected by conveyance conduit between system 5, between the solvent feeding system 2 and blender 3, the blender 3 and transfer tank 4
Conveyance conduit be equipped with the discharge valve of pump and control discharging, the powder feeding system 1 and blender 3, the transfer tank 4
Conveyance conduit between coating feed system 5 is equipped with the discharge valve of control discharging；The powder feeding system 1 includes throwing
Feed bin 10, the storehouse 10 that feeds intake are equipped with feeding port 11 and the first vacuum system 12, and first vacuum system 12 is wind turbine, will be thrown
Air in feed bin 10 is extracted out to form negative pressure, prevents powder from going to outside air and pollutes, and wind turbine is equipped with wind band filtering dress
121 are set, prevents powder from blowing out, the conveyance conduit corner between the powder feeding system 1 and blender 2 is equipped with to blow and fill
7 are set, institute's blowing is the nitrogen of low dew point, and the gas dry degree in conveyance conduit is high, prevents powder from luming；The solvent is thrown
Material system 2 includes head tank 20, fluid reservoir 21, and the connecting pipe of the head tank 20 and fluid reservoir 21 is equipped with pump 22, described
Fluid reservoir is equipped with feed inlet 23, air bleeding valve 24, discharge port 25, the blender 3, including solvent feed mouth 30, powder feed inlet
31, blender 32, the second vacuum system 33 and discharge port 34, second vacuum system 33 include wind turbine 332 and are set to described
Surge tank 331 between blender 3 and the wind turbine 332, will be in blender 3 and the delivery pipe that feeds intake between storehouse 2 and blender 3
Air on road is extracted out to form negative pressure, is in negative pressure state in blender 3 at this time, and powder will put into blender along pipeline
In 3, surge tank 331 plays the role of anti-suck；The transfer tank 4 includes feed inlet 40, discharge port 41, agitating device 42, the
Three vacuum systems 43 and air bleeding valve 44, the third vacuum system 43 include pumping 432 and set on the transfer tank 4 and the pump
Surge tank 431 between 432 causes bubble due to being all easy to dissolve in gas in slurry agitation and transportational process, utilizes pump will
Gas is extracted out to ensure slurry uniform bubble-free；The coating feed system 5 includes diaphragm pump 50, deironing apparatus 51, coating
Storage tank 52, coating die head 53 and the reflux that pipeline between diaphragm pump 50 and transfer tank 4 is connected on coating storage tank 52
Pipe 54, the return duct 54 are equipped with reflux tube valve 55, and the coating storage tank 52 is equipped with agitating device 521 and contactless
Liquid level sensor 522 is equipped with woven hose 56 and liquid back pipe 57, the infusion between the coating storage tank 52 and coating die head 53
Pipe 56 is connected equipped with return valve 58 with the liquid back pipe 57, and the return valve 58 is three-way ball valve, and the woven hose 56 is equipped with
Screw pump 59, the deironing apparatus 51 include filter 511 and iron remover 512, first filter granule foreign, further that iron is miscellaneous
Matter removes；The deironing apparatus 51 is equipped with altogether two sets, wherein using a set of spare a set of；After a set of blocking in use manually
Convert another set of, a set of dismounting of blocking cleaning reduces scavenging period, does not influence to produce；The work of the coating feed system 5
Operation mode includes coating mode and stops ray mode, is controlled by the control system 6.The contactless liquid level sensor 522 is
Ultrasonic liquid level sensor, is mounted on 52 side of coating storage tank, and the reflux tube valve 55 is stability and control sensitivity
High operated pneumatic valve.Flowmeter 8 is equipped between the transfer tank 4 and the coating feed system 5, with the contact-free level
Sensor 522 is electrically connected, and the control system 6 is PLC control system, operational process can be monitored online, equipment operation is flexible
It is convenient.
The application method of the lithium battery automatical feeding system of the present embodiment, includes the following steps：
A, start powder feeding system 1, open the first vacuum system 12 storehouse 11 that makes to feed intake and be in negative pressure state, while by blender
The second vacuum system 33 on 3 is opened, and powder is added to the storehouse 11 that feeds intake, powder is put into along pipeline in blender 3；
B, solvent is pumped into from head tank 20 in fluid reservoir 21 automatically by pump 22, is automatically transported in blender 3 according to dosage, is stirred
Machine 3 is stirred to obtain slurry to powder and solvent；
C, after slurry agitation is good, starts third vacuum system 43 and vacuumize, start conveyance conduit between blender 3 and transfer tank 4
On pump the slurry in blender 3 is transported in transfer tank 4, in transfer tank 4 agitating device 42 open, slurry convey after
Third vacuum system 43, which continues to vacuumize 20 minutes, is de-gassed bubble；
D, the slurry in transfer tank 4 is delivered to coating feed system 5, is conveyed by diaphragm pump 50, defeated after deironing apparatus 51
It is sent in coating storage tank 52, is coated with agitating device 521 in storage tank 52 and opens, the tube valve 55 that flows back at this time is in closed state；
When coating 52 liquid level of fluid reservoir reaches 90%, the discharge valve between transfer tank 4 and coating feed system 5 is automatically closed, transfer
4 automatic vacuum of tank, the vacuum degree in transfer tank 4 are set as 50 Pa, are kept for 10 minutes, prevent the generation of slurry bubble, time
The air valve 44 that begins to rehearse after carries out vacuum breaker；
E, when 5 feeding of coating feed system is coated with, coating mode is selected：Return valve 58 is opened, and it is defeated to open screw pump 59
It send slurry to be coated to coating die head 53 to lithium battery collector, when being coated with storage tank liquid level less than 28% after coating, repeats
Step d, is recycled with this；
When the coating feed system stops line, selection stops ray mode：Return valve 58, screw pump 59 are in closed state, return
Flow tube valve 55 automatically opens, slurry automatic cycle, transfer tank between coating storage tank 52, diaphragm pump 50 and deironing apparatus 51
4 cycles are vacuumized and vacuum breaker.
The lithium battery automatical feeding system of the present embodiment has installed flowmeter additional, and conveying amount of slurry is convenient for observation；It is stored up in coating
Batch can has installed ultrasonic liquid level sensor additional, coordinates with the third vacuum system of transfer tank, is conveyed in slurry and vacuumizes degassing
It is recycled between bubble, ensure that the uniformity consistency of slurry；When the lithium battery automatical feeding system stops line for a long time, diaphragm pump
By the slurry in transfer tank be delivered to coating storage tank liquid level reach a certain height when, transfer tank discharge valve is automatically closed, return
Flow tube valve automatically opens, and realizes slurry automatic cycle in coating storage tank, prevents buildup and siccative from resulting in blockage.
Embodiment 4：
As shown in Fig. 1,3,4,5,8, the lithium battery automatical feeding system of the present embodiment, including powder feeding system 1, solvent feed intake
System 2, blender 3, transfer tank 4, coating feed system 5 and the control powder feeding system 1, solvent feeding system 2, stirring
3 four, machine, transfer tank 4, the control system 6 for being coated with feed system 5, the powder feeding system 1, solvent feeding system 2 are distinguished
Point four tunnels connects with blender 3 by conveyance conduit, the blender 3 and transfer tank 4, the transfer tank 4 and are coated with feeding system
It is connected by conveyance conduit between system 5, between the solvent feeding system 2 and blender 3, the blender 3 and transfer tank 4
Conveyance conduit be equipped with the discharge valve of pump and control discharging, the powder feeding system 1 and blender 3, the transfer tank 4
Conveyance conduit between coating feed system 5 is equipped with the discharge valve of control discharging；The powder feeding system 1 includes throwing
Feed bin 10, the storehouse 10 that feeds intake are equipped with feeding port 11 and the first vacuum system 12, and first vacuum system 12 is wind turbine, will be thrown
Air in feed bin 10 is extracted out to form negative pressure, prevents powder from going to outside air and pollutes, and wind turbine is equipped with wind band filtering dress
121 are set, prevents powder from blowing out, the conveyance conduit corner between the powder feeding system 1 and blender 2 is equipped with to blow and fill
7 are set, institute's blowing is the nitrogen of low dew point, and the gas dry degree in conveyance conduit is high, prevents powder from luming；The solvent is thrown
Material system 2 includes head tank 20, fluid reservoir 21, and the connecting pipe of the head tank 20 and fluid reservoir 21 is equipped with pump 22, described
Fluid reservoir is equipped with feed inlet 23, air bleeding valve 24, discharge port 25, the blender 3, including solvent feed mouth 30, powder feed inlet
31, blender 32, the second vacuum system 33 and discharge port 34, second vacuum system 33 include wind turbine 332 and are set to described
Surge tank 331 between blender 3 and the wind turbine 332, will be in blender 3 and the delivery pipe that feeds intake between storehouse 2 and blender 3
Air on road is extracted out to form negative pressure, is in negative pressure state in blender 3 at this time, and powder will put into blender along pipeline
In 3, surge tank 331 plays the role of anti-suck；The transfer tank 4 includes feed inlet 40, discharge port 41, agitating device 42, the
Three vacuum systems 43 and air bleeding valve 44, the third vacuum system 43 include pumping 432 and set on the transfer tank 4 and the pump
Surge tank 431 between 432 causes bubble due to being all easy to dissolve in gas in slurry agitation and transportational process, utilizes pump will
Gas is extracted out to ensure slurry uniform bubble-free；The coating feed system 5 includes diaphragm pump 50, deironing apparatus 51, coating
Storage tank 52, coating die head 53 and the reflux that pipeline between diaphragm pump 50 and transfer tank 4 is connected on coating storage tank 52
Pipe 54, the return duct 54 are equipped with reflux tube valve 55, and the coating storage tank 52 is equipped with agitating device 521 and contactless
Liquid level sensor 522 is equipped with woven hose 56 and liquid back pipe 57, the infusion between the coating storage tank 52 and coating die head 53
Pipe 56 is connected equipped with return valve 58 with the liquid back pipe 57, and the return valve 58 is three-way ball valve, and the woven hose 56 is equipped with
Screw pump 59, the deironing apparatus 51 include filter 511 and iron remover 512, first filter granule foreign, further that iron is miscellaneous
Matter removes, and the filter 511 is 120 mesh filters, and the iron remover 512 is ferromagnetic filter screen, and two layers of filter screen makes slurry
In granule foreign fully remove, improve the degree of purity of slurry；The deironing apparatus 51 is equipped with altogether two sets, wherein using one
It covers spare a set of；Manual switch is another set of after a set of blocking in use, and a set of dismounting cleaning of blocking reduces scavenging period,
It does not influence to produce；The operating mode of the coating feed system 5 includes coating mode and stops ray mode, by the control system 6
Control.The contactless liquid level sensor 522 is radar level sensor, is mounted on 52 top of coating storage tank.The control
System 6 processed is PLC control system, operational process can be monitored online, equipment operation is flexible and convenient.
The application method of the lithium battery automatical feeding system of the present embodiment, includes the following steps：
A, start powder feeding system 1, open the first vacuum system 12 storehouse 11 that makes to feed intake and be in negative pressure state, while by blender
The second vacuum system 33 on 3 is opened, and powder is added to the storehouse 11 that feeds intake, powder is put into along pipeline in blender 3；
B, solvent is pumped into from head tank 20 in fluid reservoir 21 automatically by pump 22, is automatically transported in blender 3 according to dosage, is stirred
Machine 3 is stirred to obtain slurry to powder and solvent；
C, after slurry agitation is good, starts third vacuum system 43 and vacuumize, start conveyance conduit between blender 3 and transfer tank 4
On pump the slurry in blender 3 is transported in transfer tank 4, in transfer tank 4 agitating device 42 open, slurry convey after
Third vacuum system 43, which continues to vacuumize 10 minutes, is de-gassed bubble；
D, the slurry in transfer tank 4 is delivered to coating feed system 5, is conveyed by diaphragm pump 50, defeated after deironing apparatus 51
It is sent in coating storage tank 52, is coated with agitating device 521 in storage tank 52 and opens, the tube valve 55 that flows back at this time is in closed state；
When coating 52 liquid level of fluid reservoir reaches 85%, the discharge valve between transfer tank 4 and coating feed system 5 is automatically closed, transfer
4 automatic vacuum of tank, the vacuum degree in transfer tank 4 are set as 135 Pa, are kept for 20 minutes, prevent the generation of slurry bubble, when
Between begin to rehearse after air valve 44 carry out vacuum breaker；
E, when 5 feeding of coating feed system is coated with, coating mode is selected：Return valve 58 is opened, and it is defeated to open screw pump 59
It send slurry to be coated to coating die head 53 to lithium battery collector, when being coated with storage tank liquid level less than 25% after coating, repeats
Step d, is recycled with this；
When the coating feed system stops line, selection stops ray mode：Return valve 58, screw pump 59 are in closed state, return
Flow tube valve 55 automatically opens, slurry automatic cycle, transfer tank between coating storage tank 52, diaphragm pump 50 and deironing apparatus 51
4 cycles are vacuumized and vacuum breaker.
The lithium battery automatical feeding system of the present embodiment uses four blenders, improves slurry and efficiency is mixed；
Coating storage tank has installed radar level sensor additional, coordinates with the third vacuum system of transfer tank, conveys and vacuumizes in slurry
It is recycled between de-bubbled, ensure that the uniformity consistency of slurry；When the lithium battery automatical feeding system stops line for a long time, every
Membrane pump by the slurry in transfer tank be delivered to coating storage tank liquid level reach a certain height when, transfer tank discharge valve closes automatically
It closes, reflux tube valve automatically opens, and realizes slurry automatic cycle in coating storage tank, prevents buildup and siccative from resulting in blockage.
Embodiment 5：
As shown in Fig. 1,3,4,5,9,10, the lithium battery automatical feeding system of the present embodiment, including powder feeding system 1, solvent
Feeding system 2, blender 3, transfer tank 4, coating feed system 5 and the control powder feeding system 1, solvent feeding system 2,
3 four, blender, transfer tank 4, the control system 6 for being coated with feed system 5, the powder feeding system 1, solvent feeding system 2
Divide four tunnels to be connect by conveyance conduit with blender 3 respectively, the blender 3 and transfer tank 4, the transfer tank 4 with apply distributing
It is connected by conveyance conduit between material system 5, the solvent feeding system 2 and blender 3, the blender 3 and transfer tank 4
Between conveyance conduit be equipped with the discharge valve of pump and control discharging, the powder feeding system 1 and blender 3, it is described in
Turn tank 4 and the conveyance conduit being coated between feed system 5 is equipped with the discharge valve of control discharging；The powder feeding system 1
Including the storehouse 10 that feeds intake, the storehouse 10 that feeds intake is equipped with feeding port 11 and the first vacuum system 12, and first vacuum system 12 is wind
Machine extracts out the air to feed intake in storehouse 10 to form negative pressure, prevents powder from going to outside air and pollutes, and wind turbine is equipped with wind band
Filter device 121, prevents powder from blowing out, and the conveyance conduit corner between the powder feeding system 1 and blender 2 is equipped with
Blowning installation 7, institute's blowing are the nitrogen of low dew point, and the gas dry degree in conveyance conduit is high, prevents powder from luming；It is described
Solvent feeding system 2 includes head tank 20, fluid reservoir 21, and the head tank 20 and the connecting pipe of fluid reservoir 21 are equipped with pump
22, the fluid reservoir is equipped with feed inlet 23, air bleeding valve 24, discharge port 25, the blender 3, including solvent feed mouth 30, powder
Feed inlet 31, blender 32, the second vacuum system 33 and discharge port 34, the blender 32 include being located on the blender 3
Driving motor 321, the blender 322 in the blender 3 of side, the driving motor 321 connect with the blender 322
It connects, the blender 322 can be in about 323 telescopic moving of region；Second vacuum system 33 is including wind turbine 332 and is set to institute
The surge tank 331 between blender 3 and the wind turbine 332 is stated, it will be in blender 3 and the conveying that feeds intake between storehouse 2 and blender 3
Air on pipeline is extracted out to form negative pressure, is in negative pressure state in blender 3 at this time, and powder will put into stirring along pipeline
In machine 3, surge tank 331 plays the role of anti-suck；The transfer tank 4 include feed inlet 40, discharge port 41, agitating device 42,
Third vacuum system 43 and air bleeding valve 44, the third vacuum system 43 include pumping 432 and set on the transfer tank 4 and the pump
Surge tank 431 between 432 causes bubble due to being all easy to dissolve in gas in slurry agitation and transportational process, utilizes pump will
Gas is extracted out to ensure slurry uniform bubble-free；The coating feed system 5 includes diaphragm pump 50, deironing apparatus 51, coating
Storage tank 52, coating die head 53 and the reflux that pipeline between diaphragm pump 50 and transfer tank 4 is connected on coating storage tank 52
Pipe 54, the return duct 54 are equipped with reflux tube valve 55, and the coating storage tank 52 is equipped with agitating device 521 and contactless
Liquid level sensor 522 is equipped with woven hose 56 and liquid back pipe 57, the infusion between the coating storage tank 52 and coating die head 53
Pipe 56 is connected equipped with return valve 58 with the liquid back pipe 57, and the return valve 58 is three-way ball valve, and the woven hose 56 is equipped with
Screw pump 59, the deironing apparatus 51 include filter 511 and iron remover 512, first filter granule foreign, further that iron is miscellaneous
Matter removes, and the filter 511 is 120 mesh filters, and the iron remover 512 is ferromagnetic filter screen, and two layers of filter screen makes slurry
In granule foreign fully remove, improve the degree of purity of slurry；The deironing apparatus 51 is equipped with altogether two sets, wherein using one
It covers spare a set of；Manual switch is another set of after a set of blocking in use, and a set of dismounting cleaning of blocking reduces scavenging period,
It does not influence to produce；The operating mode of the coating feed system 5 includes coating mode and stops ray mode, by the control system 6
Control.The contactless liquid level sensor 522 is ultrasonic liquid level sensor, is mounted on 52 top of coating storage tank, described
The tube valve 55 that flows back is the operated pneumatic valve of stability and control high sensitivity.The transfer tank 4 and the coating feed system 5 it
Between be equipped with flowmeter 8, be electrically connected with the contactless liquid level sensor 522, the control system 6 be PLC control system, energy
Operational process is enough monitored online, equipment operation is flexible and convenient.
The application method of the lithium battery automatical feeding system of the present embodiment, includes the following steps：
A, start powder feeding system 1, open the first vacuum system 12 storehouse 11 that makes to feed intake and be in negative pressure state, while by blender
The second vacuum system 33 on 3 is opened, and powder is added to the storehouse 11 that feeds intake, powder is put into along pipeline in blender 3；
B, solvent is pumped into from head tank 20 in fluid reservoir 21 automatically by pump 22, is automatically transported in blender 3 according to dosage, is stirred
Machine 3 is stirred to obtain slurry to powder and solvent；
C, after slurry agitation is good, starts third vacuum system 43 and vacuumize, start conveyance conduit between blender 3 and transfer tank 4
On pump the slurry in blender 3 is transported in transfer tank 4, in transfer tank 4 agitating device 42 open, slurry convey after
Third vacuum system 43, which continues to vacuumize 15 minutes, is de-gassed bubble；
D, the slurry in transfer tank 4 is delivered to coating feed system 5, is conveyed by diaphragm pump 50, defeated after deironing apparatus 51
It is sent in coating storage tank 52, is coated with agitating device 521 in storage tank 52 and opens, the tube valve 55 that flows back at this time is in closed state；
When coating 52 liquid level of fluid reservoir reaches 80%, the discharge valve between transfer tank 4 and coating feed system 5 is automatically closed, transfer
4 automatic vacuum of tank, the vacuum degree in transfer tank 4 are set as 80 Pa, are kept for 15 minutes, prevent the generation of slurry bubble, time
The air valve 44 that begins to rehearse after carries out vacuum breaker；
E, when 5 feeding of coating feed system is coated with, coating mode is selected：Return valve 58 is opened, and it is defeated to open screw pump 59
It send slurry to be coated to coating die head 53 to lithium battery collector, when being coated with storage tank liquid level less than 30% after coating, repeats
Step d, is recycled with this；
When the coating feed system stops line, selection stops ray mode：Return valve 58, screw pump 59 are in closed state, return
Flow tube valve 55 automatically opens, slurry automatic cycle, transfer tank between coating storage tank 52, diaphragm pump 50 and deironing apparatus 51
4 cycles are vacuumized and vacuum breaker.
The lithium battery automatical feeding system of the present embodiment uses four blenders, improves slurry and efficiency is mixed；Add
Flowmeter is filled, conveying amount of slurry is convenient for observation；Ultrasonic liquid level sensor has been installed additional in coating storage tank, the with transfer tank
Three vacuum systems coordinate, and are recycled between slurry conveys and vacuumize de-bubbled, ensure that the uniformity consistency of slurry；When described
When lithium battery automatical feeding system stops line for a long time, the slurry in transfer tank is delivered to coating storage tank liquid level and reached by diaphragm pump
When certain altitude, transfer tank discharge valve is automatically closed, and reflux tube valve automatically opens, and realizes that slurry is automatic in coating storage tank
Cycle, prevents buildup and siccative from resulting in blockage.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of lithium battery automatical feeding system, which is characterized in that including powder feeding system, solvent feeding system, blender,
Transfer tank, coating feed system and the control powder feeding system, solvent feeding system, blender, transfer tank, coating feeding
The control system of system, it is the powder feeding system, solvent feeding system and blender, the blender and transfer tank, described
It is connected by conveyance conduit between transfer tank and coating feed system, the solvent feeding system and blender, the stirring
Conveyance conduit between machine and transfer tank is equipped with the discharge valve of pump and control discharging, the powder feeding system and stirring
Conveyance conduit between machine, the transfer tank and coating feed system is equipped with the discharge valve of control discharging；The powder is thrown
Material system includes the storehouse that feeds intake, and the storehouse that feeds intake is equipped with feeding port and the first vacuum system, and the solvent feeding system includes raw material
The connecting pipe of tank, fluid reservoir, the head tank and fluid reservoir is equipped with pump, and the fluid reservoir is equipped with feed inlet, discharge port, row
Air valve, the blender includes solvent feed mouth, powder feed inlet, agitating device, discharge port and the second vacuum system, in described
It includes feed inlet, discharge port, agitating device, air bleeding valve and third vacuum system to turn tank, and the coating feed system includes diaphragm
Pump, deironing apparatus are coated with storage tank, coating die head and are connected to pipeline between diaphragm pump and transfer tank on coating storage tank
Return duct, the return duct is equipped with reflux tube valve, and the coating storage tank is equipped with agitating device and contact-free level
Sensor, between coating storage tank and the coating die head be equipped with woven hose and liquid back pipe, the woven hose be equipped with return valve with
The liquid back pipe is connected, and the return valve is three-way ball valve, and the woven hose is equipped with screw pump, and the deironing apparatus is set altogether
There are two sets, wherein using a set of spare a set of；The operating mode of the coating feed system includes coating mode and stops ray mode,
It is controlled by the control system.
2. lithium battery automatical feeding system as described in claim 1, which is characterized in that first vacuum system is wind turbine,
It which is provided with wind band filter device；
Second vacuum system includes wind turbine and the surge tank between the blender and the wind turbine；
The third vacuum system includes pump and the surge tank between the transfer tank and the pump.
3. lithium battery automatical feeding system as described in claim 1, which is characterized in that the control system is PLC controls system
System.
4. lithium battery automatical feeding system as described in claim 1, which is characterized in that the powder feeding system and blender
Between conveyance conduit corner be equipped with blowning installation.
5. lithium battery automatical feeding system as claimed in claim 4, which is characterized in that the agitating device includes positioned at described
Driving motor above blender, the blender in the blender, the driving motor are connect with the blender, institute
Stating blender can upper and lower telescopic moving；And/or
The contactless liquid level sensor is ultrasonic liquid level sensor or radar level sensor；And/or
The deironing apparatus includes filter and iron remover；And/or
The reflux tube valve is operated pneumatic valve.
6. lithium battery automatical feeding system as claimed in claim 5, which is characterized in that blowning installation institute blowing is nitrogen
Gas；
The filter is 120 mesh filters, and the iron remover is ferromagnetic filter screen.
7. such as lithium battery automatical feeding system according to any one of claims 1 to 6, which is characterized in that the transfer tank with
It is equipped with flowmeter between the coating feed system, is electrically connected with the contactless liquid level sensor.
8. a kind of application method of lithium battery automatical feeding system, which is characterized in that include the following steps：
A, start powder feeding system, open the first vacuum system storehouse that makes to feed intake and be in negative pressure state, while will be on blender
Second vacuum system is opened, and powder is added to the storehouse that feeds intake, powder is put into along pipeline in blender；
B, solvent is pumped into from head tank in fluid reservoir automatically by pumping, and is automatically transported in blender according to dosage, agitating device pair
Powder and solvent are stirred to obtain slurry；
C, after slurry agitation is good, starts third vacuum system and vacuumize, the slurry in blender be pumped into transfer tank, transfer tank
Interior agitating device is opened, and third vacuum system continues to vacuumize 8 ~ 20 minutes after slurry conveys；
D, the slurry in transfer tank is delivered to coating feed system, is conveyed by diaphragm pump, and painting is transported to after deironing apparatus
In cloth storage tank, it is coated with agitating device in storage tank and opens, the tube valve that flows back at this time is in closed state；When coating liquid tank level
When reaching 75% ~ 90%, the discharge valve between transfer tank and coating feed system is automatically closed, transfer tank automatic vacuum, very
Reciprocal of duty cycle is kept for certain time after reaching setting value, and the time carries out vacuum breaker after；
E, when the coating feed system feeding is coated with, coating mode is selected：Return valve is opened, and is opened screw pump and is conveyed slurry
Lithium battery collector is coated to coating die head, when being coated with storage tank liquid level less than 20% ~ 30% after coating, repeats step
D is recycled with this；
When the coating feed system stops line, selection stops ray mode：Return valve, screw pump are in closed state, return duct
Valve automatically opens, slurry automatic cycle between coating storage tank, diaphragm pump and deironing apparatus.
9. the application method of lithium battery automatical feeding system as claimed in claim 8, which is characterized in that in step e, stop line
When, transfer tank cycle is vacuumized and vacuum breaker.
10. the application method of lithium battery automatical feeding system as claimed in claim 8 or 9, which is characterized in that the transfer tank
Interior vacuum degree is set as 2 ~ 135 Pa, is kept for 5 ~ 20 minutes.
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| CN115301495B (en) * | 2022-08-30 | 2024-03-22 | 中汽创智科技有限公司 | Storage-coating linkage device for uniform conveying of membrane electrode slurry |
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