CN215964437U - High-viscosity battery slurry rotating scattering feeding device and coating device - Google Patents
High-viscosity battery slurry rotating scattering feeding device and coating device Download PDFInfo
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- CN215964437U CN215964437U CN202120872327.3U CN202120872327U CN215964437U CN 215964437 U CN215964437 U CN 215964437U CN 202120872327 U CN202120872327 U CN 202120872327U CN 215964437 U CN215964437 U CN 215964437U
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- 238000000576 coating method Methods 0.000 title claims abstract description 106
- 239000002002 slurry Substances 0.000 title claims abstract description 105
- 239000011248 coating agent Substances 0.000 title claims abstract description 103
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 29
- 239000000843 powder Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000002274 desiccant Substances 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052744 lithium Inorganic materials 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 230000010287 polarization Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 description 8
- 238000007667 floating Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 5
- 239000006258 conductive agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007581 slurry coating method Methods 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000000181 anti-adherent effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a high-viscosity battery slurry rotary scattering feeding device and a coating device, and belongs to the field of battery preparation. The feeding device comprises a feeding hopper and a material conveying device, and a rotary scattering device is arranged in the feeding hopper; the coating device comprises a scattering feeding device, a coating double-roll machine and an anti-sticking device, wherein the coating double-roll machine is used for rolling the battery slurry on the current collector, the anti-sticking device is used for preventing the battery slurry from sticking on the coating double-roll machine, and the coating double-roll machine comprises a first coating roll and a second coating roll, the first coating roll is used for bearing the current collector, and the second coating roll is used for compacting the battery slurry. The utility model has the advantages of quick scattering of the battery slurry, simple structure, high coating control precision, improved production efficiency and reduced production cost, and simultaneously, the prepared lithium battery has small polarization and ohmic internal resistance and good performance, and is suitable for coating all high-viscosity battery slurries.
Description
Technical Field
The utility model belongs to the technical field of battery preparation, relates to a high-viscosity battery slurry rotary scattering feeding device, and further relates to a high-viscosity battery slurry coating device.
Background
The coating process of the lithium battery is an important process for producing the lithium battery, and aims to manufacture the anode and cathode materials of the lithium battery into slurry which is uniformly coated and adhered to a current collector to form a lithium battery pole piece. The lithium battery pole piece is manufactured into the lithium battery through the conventional key processes of rolling, slitting, winding or laminating, packaging, drying, injecting, forming, standing and the like.
The coating machine used in the lithium battery industry at present adopts an extrusion process to uniformly coat the slurry on the current collector, and the method has higher requirements on the physical state of the slurry, and if the slurry has lower kinematic viscosity, better self-fluidity, leveling property and better adhesion, the slurry of the battery can be ensured to be uniformly coated on the current collector. Therefore, a large amount of solvent is required to be added into the battery slurry to reduce the viscosity so as to meet the physical property requirement of the coating process on the slurry, so that the battery slurry has good fluidity and can be uniformly coated on the current collector, and the coating thickness is ensured.
In the coating device in the prior art, battery slurry is directly laid on a current collector, leveling is performed by the fluidity of the battery slurry, and the battery slurry is compacted by a coating roller, but the coating device cannot coat the battery slurry with higher viscosity.
However, the low viscosity slurry (oil) also has some negative effects such as easy delamination, agglomeration of active materials and conductive agents, increase in internal resistance of lithium batteries, and the like. After coating, all solvents are required to be baked out when drying the pole piece, and a series of cost problems such as high energy consumption and solvent recovery are caused during drying. How to coat the high viscosity battery slurry formed without or with little solvent onto the current collector is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model aims to provide a high-viscosity battery slurry rotary scattering feeding device so as to achieve the aim of finishing coating after scattering high-viscosity battery slurry;
the utility model also provides a high-viscosity battery slurry coating device, so as to achieve the purpose of uniformly coating the high-viscosity battery slurry on the current collector;
the utility model also provides a high-viscosity battery paste coating process, so as to achieve the purposes of reducing the solvent in the battery paste and being suitable for coating the high-viscosity battery paste.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a high viscosity battery thick liquids are rotatory to be broken up feed arrangement, includes the feeder hopper and is used for carrying the feeding device of battery thick liquids to the feeder hopper, be provided with in the feeder hopper and be used for the rotatory device of breaking up that breaks up of battery thick liquids.
As a limitation of the present invention: the rotary scattering device comprises a scattering wheel arranged in the feed hopper and a first motor used for driving the scattering wheel to rotate, wherein the scattering wheel is any one of a hair wheel, a thorn wheel and a knife wheel.
As a further limitation of the utility model: the bottom of the feed hopper is conical and is perpendicular to the current collector; the feeding hopper is provided with a vibration source which can make the feeding hopper vibrate, and the outlet of the feeding hopper is fixedly provided with a discharging net.
As a further limitation of the utility model: feeder hopper and mass flow body parallel arrangement include with the relative first baffle that sets up of mass flow body, set firmly second baffle and the third baffle in first baffle both sides respectively, first baffle is followed the direction of motion of mass flow body by the height to low slope, first baffle is close to and is equipped with the clearance between the one end of mass flow body and the mass flow body, and the one end of keeping away from the mass flow body has set firmly the fourth baffle, be equipped with the opening with the feeding device intercommunication on the fourth baffle, the vibration source has set firmly on the first baffle.
As a further limitation of the utility model: the feeding hopper is arranged in parallel with the current collector, a blocking roller for preventing the battery slurry from flying upwards is also arranged in the feeding hopper, and the blocking roller is driven by a second motor; the battery paste leveling device further comprises a leveling roller for leveling the battery paste on the current collector, and the leveling roller is driven by a third motor.
The high-viscosity battery slurry coating device comprises the high-viscosity battery slurry rotating and scattering feeding device, and further comprises a coating double-roll machine for rolling the battery slurry on a current collector and an anti-sticking device for preventing the battery slurry from sticking on the coating double-roll machine, wherein the coating double-roll machine comprises a first coating roll for bearing the current collector and a second coating roll for compacting the battery slurry.
As a definition of the anti-adhesive means of the present invention: the anti-sticking device is any one of the following:
a 1: the diaphragm is arranged on the second coating roller and moves along with the current collector;
a 2: the dryer is arranged between the high-viscosity battery slurry rotary scattering feeding device and the coating double-roll machine and is used for drying the battery slurry;
a 3: the powder spreader is arranged between the high-viscosity battery slurry rotating and scattering feeding device and the coating double-roll machine and is used for spreading a drying agent to the battery slurry attached to the current collector;
a 4: the air source is arranged in the second coating roll, and the air injection direction of the air source faces to the surface of the second coating roll; the second coating roller is cylindrical with meshes.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
(1) the battery slurry has high viscosity, loses fluidity, forms paste or block, cannot be automatically leveled on a current collector, but is scattered by the rotary scattering device to form fine particles, the particle-shaped battery slurry is scattered under the driving of the rotary device and then falls onto the current collector, even if the battery slurry loses fluidity, the battery slurry can be attached to the current collector, the rotary scattering mode is simple, quick and easy to control, the device is suitable for coating the high-viscosity battery slurry, so that no or little solvent is used in the battery slurry, the components in the prepared battery diaphragm are not easy to be layered, the components in the slurry are more uniformly dispersed, the agglomeration degree of a conductive agent is greatly reduced, the polarization and the internal resistance of the battery are further reduced, in addition, the baking time can be saved, the production efficiency is improved, and no or little solvent is used, The production cost is reduced.
(2) The hair wheel, the thorn wheel or the knife wheel can crush battery slurry into finer particles, and the particles have the advantages of hard physical characteristics and long service life;
(3) the vibration source on the feeding hopper can discharge the battery slurry falling on the inner wall of the feeding hopper in time without residue, thereby reducing waste, and the discharging net can control the discharging speed of the battery slurry, being beneficial to controlling the thickness of the battery slurry on the current collector and improving the coating precision;
(4) the first baffle plate is obliquely arranged, so that the scattered battery slurry falling on the current collector can be smoothed, the battery slurry on the current collector is prevented from being too thick or too thin, the accuracy of later coating is prevented from being influenced, the vibration source can vibrate the battery slurry falling on the inner wall of the feed hopper, the waste is reduced, the second baffle plate and the third baffle plate on the two sides can control the width of coating, the battery slurry can be prevented from being accumulated to the two sides, and the thickness accuracy of the whole coating is improved;
(5) the barrier roller can prevent the battery slurry from scattering upwards along with the rotating scattering device in the scattering process, so that the scattered battery slurry can directly fall on the current collector and cannot fall on other positions, the waste of the battery slurry is reduced, the floating roller can prevent the battery slurry falling on the current collector from being too thick or too thin, the thickness of the battery slurry on the current collector can be controlled, and the later-stage coating precision is improved;
(6) the diaphragm of the utility model rotates along with the second coating roller, so that battery slurry can be effectively prevented from being adhered to the second coating roller, and the anti-sticking effect is good; the dryer dries the battery slurry, so that a diaphragm is omitted, the diaphragm is prevented from being fused into the battery slurry, secondary batching is avoided, the purity of the battery slurry is improved, and the conductivity of the battery is increased; the conductive agent is added into the battery slurry by the powder spreader, so that the battery slurry is not adhered to the second coating roller, the operation is convenient, and the efficiency is higher; high-pressure gas blows to the surface of second coating roll, and battery thick liquids are attached to on the mass flow body under high-pressure gas's air current, can not adhere with second coating roll, both can not increase other materials in battery thick liquids, have also saved the time of baking the solvent greatly, raise the efficiency, and it is antiseized effectual.
In conclusion, the battery slurry is quickly scattered, the structure is simple, the coating control precision is high, the production efficiency can be improved, the production cost is reduced, meanwhile, the prepared lithium battery is small in polarization and ohmic internal resistance, the performance of the lithium battery is good, and the method is suitable for coating all high-viscosity battery slurries.
Drawings
The utility model is described in further detail below with reference to the figures and the embodiments.
FIG. 1 is a perspective view of embodiment 1 of the present invention;
FIG. 2 is a perspective view of embodiment 2 of the present invention;
FIG. 3 is a schematic perspective view of a hopper 3 according to embodiment 2 of the present invention;
FIG. 4 is a perspective view of embodiment 3 of the present invention;
FIG. 5 is a perspective view of embodiment 4 of the present invention;
FIG. 6 is a perspective view of embodiment 5 of the present invention;
FIG. 7 is a perspective view of embodiment 6 of the present invention;
fig. 8 is a perspective structural diagram of embodiment 7 of the present invention.
In the figure: 1-current collector, 2-material conveying device, 21-cylinder, 201-discharge port, 22-auger, 23-material conveying motor, 3-feed hopper, 4-spur gear, 5-first motor, 6-discharge net, 7-vibration source, 8-coating double-roll machine, 81-first coating roll, 82-second coating roll, 9-barrier roll, 10-second motor, 11-smoothing roll, 12-third motor, 13-dryer, 14-powder spreader, 15-first baffle, 16-second baffle, 17-third baffle, 18-fourth baffle, 19-gas source and 20-diaphragm.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the high viscosity battery paste spin-off feeder and applicator described herein are preferred embodiments, are for purposes of illustration and explanation only, and are not to be construed as limiting the utility model.
Embodiment 1 feeding device is broken up in rotation of high viscosity battery thick liquids
This embodiment is as shown in fig. 1, a feeding device is broken up in rotation of high viscosity battery thick liquids, include feeder hopper 3 and be used for carrying the feeding device 2 of battery thick liquids to feeder hopper 3, feeding device 2 adopts double screw conveyer among the prior art, including barrel 21, locate auger 22 in barrel 21 and be used for driving auger 22 pivoted defeated material motor 23, be equipped with feed inlet and discharge gate 201 on the barrel 21, the diameter of discharge gate 201 is less, makes things convenient for battery thick liquids to take pressure discharge, in feed hopper 3 was located to discharge gate 201, guarantee that battery thick liquids all get into feeder hopper 3, can not cause the waste. Be provided with in the feeder hopper 3 and be used for breaking up the rotatory device of breaing up of battery thick liquids, the rotatory device of breaing up is including locating the wheel of breaing up in feeder hopper 3 and being used for the drive to break up wheel pivoted first motor 5, break up the arbitrary one in the wheel is hair wheel, thorn wheel 4, the break up wheel of this embodiment adopts thorn wheel 4, discharge gate 201 right side on barrel 21 is located to thorn wheel 4, is convenient for in time break up discharged battery thick liquids.
The bottom of feeder hopper 3 is the toper, and has set firmly ejection of compact net 6 on its export, and the mesh on the ejection of compact net 6 is any one of circular port, diamond hole or bar hole, and what this embodiment adopted is diamond hole. Feeder hopper 3 sets up with collection body 1 is perpendicular, and the upper and lower direction of feeder hopper 3 is its length direction promptly, and its length direction is perpendicular with the direction of motion of collection body 1, and the battery thick liquids that are broken up fall on ejection of compact net 6, then discharge through the mesh on ejection of compact net 6. When the battery thick liquids are broken up, can be equipped with vibration source 7 on feeder hopper 3 along with thorn wheel 4 dispersion on the inner wall of feeder hopper 3, make feeder hopper 3 vibrate, vibrate adnexed battery thick liquids on the 3 inner walls of feeder hopper, avoid the waste of battery thick liquids, vibration source 7 adopts arbitrary one of pneumatic vibrator, electric vibration platform or the piezoelectric crystal vibrating head among the prior art, and what this embodiment adopted is piezoelectric crystal vibrating head.
This embodiment is substantially the same as embodiment 1 except for the structure of the hopper 3 and the arrangement of the hopper 3.
As shown in fig. 2, the feeding hopper 3 of the present embodiment is parallel to the current collector 1, that is, the left and right directions of the feeding hopper 3 are the length directions thereof, the length direction of the feeding hopper 3 is the same as the moving direction of the current collector 1, as shown in fig. 3, the feeding hopper 3 includes a first baffle 15 opposite to the current collector 1, and a second baffle 16 and a third baffle 17 respectively fixed on two sides of the first baffle 15. First baffle 15 is by the height to low slope along the direction of motion of the mass flow body 1, forms the inclined plane, first baffle 15 is close to and is equipped with the clearance between the one end of the mass flow body 1 and the mass flow body 1, and this clearance is used for floating the battery thick liquids on the mass flow body 1, makes the battery thick liquids when going out feeder hopper 3, and adnexed thickness is even on the mass flow body 1. First baffle 15 is kept away from the one end of mass flow body 1 and is set firmly fourth baffle 18, fourth baffle 18 is used for sealing the left side of first baffle 15, second baffle 16 and third baffle 17, makes feeder hopper 3 detain on mass flow body 1, be equipped with the opening with the 2 intercommunications of feeding device on the fourth baffle 18, the discharge gate 201 of barrel 21 stretches into in feeder hopper 3 through the opening, thorn wheel 4 is located the right side of discharge gate 201.
The cross-section of feeder hopper 3 along its length direction of this embodiment is right triangle, and feeder hopper 3 detains and forms confined cavity behind on the mass collector 1, and the battery thick liquids after being broken up by thorn wheel 4 may be attached to on the inner wall of feeder hopper 3, vibration source 7 has set firmly on first baffle 15 for vibrate the battery thick liquids on the inner wall of feeder hopper 3 and get off, avoid extravagant, vibration source 7 can set up on first baffle 15, also can set up on second baffle 16 and third baffle 17.
This embodiment is substantially the same as embodiment 1 except for the structure of the hopper 3 and the arrangement of the hopper 3.
As shown in fig. 4, the feeder hopper 3 and the current collector 1 parallel arrangement of this embodiment, the left and right directions of feeder hopper 3 is its length direction promptly, the length direction of feeder hopper 3 is the same with the direction of motion of current collector 1, feeder hopper 3 is the casing, still be equipped with in feeder hopper 3 and be used for preventing the upwards roller 9 that blocks that scatters of battery thick liquids, block roller 9 and pass through the drive of second motor 10, the clearance of blocking between roller 9 and the thorn wheel 4 is 0.1 ~ 5mm, and the clearance that this embodiment adopted is 2mm, can make thorn wheel 4 normal rotation, can block the upwards scattering of battery thick liquids again, guarantees that the battery thick liquids after scattering all fall on current collector 1. The outside of feeder hopper 3 still is equipped with the floating roller 11 that is used for paving the battery thick liquids on the mass flow body 1, floating roller 11 passes through the drive of third motor 12, be equipped with the clearance between mass flow body 1 and the floating roller 11, adjust suitable clearance between floating roller 11 and the mass flow body 1 to satisfy the thickness that battery thick liquids are attached to on the mass flow body 1.
Example 4 high viscosity Battery paste coating apparatus
The embodiment provides a high-viscosity battery slurry coating device, which comprises the high-viscosity battery slurry rotating and scattering feeding device of embodiment 1, and further comprises a coating double-roll machine 8 for rolling the battery slurry on a current collector 1 and an anti-sticking device for preventing the battery slurry from sticking on the coating double-roll machine 8, wherein the coating double-roll machine 8 adopts the prior art and comprises a first coating roll 81 for bearing the current collector 1 and a second coating roll 82 for compacting the battery slurry, the current collector 1 attached with the battery slurry enters the coating double-roll machine 8, and the battery slurry is rolled on the current collector 1 by adjusting a gap between the first coating roll 81 and the second coating roll 82. Although the scattered battery slurry is uniformly adhered to the current collector 1, a part of the battery slurry is adhered to the second coating roller 82 due to viscosity of the battery slurry during rolling, so that the thickness of the battery slurry on the current collector 1 is deviated, the coating precision is reduced, and the anti-sticking device well solves the problem that the battery slurry is adhered to the second coating roller 82.
The anti-sticking device is a diaphragm 20 which is arranged on the second coating roller 82 and moves along with the current collector 1, the diaphragm 20 bypasses the second coating roller 82 by adopting the prior art, and as the second coating roller 82 rotates, when the battery slurry is rolled by the second coating roller 82, the diaphragm 20 is pressed onto the battery slurry and is fused into the battery slurry. The separator 20 separates the battery paste from the second coating roll 82, effectively preventing the battery paste from sticking to the second coating roll 82.
Example 5 high viscosity Battery paste coating apparatus
This example is substantially the same as example 4 except that the high viscosity battery paste rotational break-up feeding device of this example employs the structure of example 2, and the anti-sticking device is different from that of example 4. The anti-sticking device is a dryer 13 arranged between the high-viscosity battery slurry rotating scattering feeding device and the coating double-roller machine 8 and used for drying the battery slurry, the dryer 13 adopts the prior art, when the battery slurry is attached to the current collector 1 and the thickness of the battery slurry is leveled, the battery slurry is dried by the dryer 13, the viscosity of the dried battery slurry is reduced, and the dried battery slurry is rolled by the second coating roller 82, so that the battery slurry cannot be stuck on the second coating roller 82, and other materials cannot be added into the battery slurry in a physical drying mode, the subsequent problems of secondary batching are reduced, the purity of the battery slurry is improved, and the conductivity of the battery slurry is increased after the battery is manufactured.
Example 6 high viscosity Battery paste coating apparatus
This example is substantially the same as example 4 except that the high viscosity battery paste rotational break-up feeding device of this example employs the structure of example 3, and the anti-sticking device is different from that of example 4. The anti-sticking device is a powder spreader 14 which is arranged between a high-viscosity battery slurry rotating scattering feeding device and the coating double-roll machine 8 and is used for spreading a drying agent to the battery slurry attached to the current collector 1, and the powder spreader 14 adopts the prior art and comprises a powder hopper and a vibrator for vibrating the powder hopper. After the battery paste is uniformly adhered to the current collector 1, the conductive agent is scattered to the surface of the battery paste by the powder spreader 14, so that the viscosity of the surface of the battery paste is reduced, and the battery paste does not stick to the second coating roller 82 when the battery paste is rolled by the second coating roller 82.
Example 7 high viscosity Battery paste coating apparatus
This embodiment is substantially the same as that of embodiment 4 except for the structure of the anti-sticking means and the structure of the second applying roller 82. The anti-sticking device is a gas source 19 arranged in the second coating roll 82, and the gas source 19 sprays high-pressure gas to the surface of the second coating roll 82. The second coating roll 82 has a cylindrical shape with mesh holes. The second coating roll 82 is provided in a hollow cylindrical shape, and a mesh is provided on the outer circumference of the second coating roll 82, so that the high-pressure gas from the gas source 19 can be ejected from the second coating roll 82. When the battery slurry is rolled by the second coating roller 82, the high-pressure gas is filled on the surface of the second coating roller 82, and the battery slurry is not adhered to the second coating roller 82 under the repulsion of the high-pressure gas, so that the anti-sticking effect is realized. The structure can avoid other materials from being doped in the battery slurry, improve the purity of the battery slurry, save the time for drying the battery slurry and has good anti-sticking effect.
The anti-sticking device of the embodiment breaks up the battery slurry, uniformly adheres to the current collector 1, and then enters the coating double-roll machine 8, when the battery slurry is rolled by the second coating double-roll machine 8, the high-pressure gas sprayed by the gas source 19 enables the battery slurry and the surface of the second coating roll 82 to form an air flow layer, so that the battery slurry is not adhered to the second coating roll 82.
Claims (6)
1. The utility model provides a feed arrangement is broken up in rotation of high viscosity battery thick liquids, includes the feeder hopper and is used for carrying the feeding device of battery thick liquids to the feeder hopper, its characterized in that: a rotary scattering device for scattering the battery slurry is arranged in the feed hopper;
the rotary scattering device comprises a scattering wheel arranged in the feed hopper and a first motor used for driving the scattering wheel to rotate, wherein the scattering wheel is any one of a hair wheel, a thorn wheel and a knife wheel.
2. The high viscosity battery paste rotating scattering feeding device of claim 1, wherein: the bottom of the feed hopper is conical and is perpendicular to the current collector; the feeding hopper is provided with a vibration source which can make the feeding hopper vibrate, and the outlet of the feeding hopper is fixedly provided with a discharging net.
3. The high viscosity battery paste rotating scattering feeding device of claim 1, wherein: feeder hopper and mass flow body parallel arrangement include with the relative first baffle that sets up of mass flow body, set firmly second baffle and the third baffle in first baffle both sides respectively, first baffle is followed the direction of motion of mass flow body by the height to low slope, first baffle is close to and is equipped with the clearance between the one end of mass flow body and the mass flow body, and the one end of keeping away from the mass flow body has set firmly the fourth baffle, be equipped with the opening with the feeding device intercommunication on the fourth baffle, the vibration source has set firmly on the first baffle.
4. The high viscosity battery paste rotating scattering feeding device of claim 1, wherein: the feeding hopper is arranged in parallel with the current collector, a blocking roller for preventing the battery slurry from flying upwards is also arranged in the feeding hopper, and the blocking roller is driven by a second motor; the battery paste leveling device further comprises a leveling roller for leveling the battery paste on the current collector, and the leveling roller is driven by a third motor.
5. A high viscosity battery paste coating apparatus, characterized in that: the high viscosity battery paste rotary scattering feeding device comprising the high viscosity battery paste claimed in claims 1 to 4, further comprising a coating roll machine for rolling the battery paste on the current collector and an anti-sticking device for preventing the battery paste from sticking to the coating roll machine, the coating roll machine comprising a first coating roll for carrying the current collector and a second coating roll for compacting the battery paste.
6. The high viscosity battery paste coating apparatus according to claim 5, characterized in that: the anti-sticking device is any one of the following:
a 1: the diaphragm is arranged on the second coating roller and moves along with the current collector;
a 2: the dryer is arranged between the high-viscosity battery slurry rotary scattering feeding device and the coating double-roll machine and is used for drying the battery slurry;
a 3: the powder spreader is arranged between the high-viscosity battery slurry rotating and scattering feeding device and the coating double-roll machine and is used for spreading a drying agent to the battery slurry attached to the current collector;
a 4: the air source is arranged in the second coating roll, and the air injection direction of the air source faces to the surface of the second coating roll; the second coating roller is cylindrical with meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120872327.3U CN215964437U (en) | 2021-04-26 | 2021-04-26 | High-viscosity battery slurry rotating scattering feeding device and coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120872327.3U CN215964437U (en) | 2021-04-26 | 2021-04-26 | High-viscosity battery slurry rotating scattering feeding device and coating device |
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| Publication Number | Publication Date |
|---|---|
| CN215964437U true CN215964437U (en) | 2022-03-08 |
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|---|---|---|---|
| CN202120872327.3U Withdrawn - After Issue CN215964437U (en) | 2021-04-26 | 2021-04-26 | High-viscosity battery slurry rotating scattering feeding device and coating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102159A (en) * | 2021-04-26 | 2021-07-13 | 般若涅利（北京）装备技术有限公司 | High-viscosity battery slurry rotary scattering feeding device, coating device and coating method |
-
2021
- 2021-04-26 CN CN202120872327.3U patent/CN215964437U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102159A (en) * | 2021-04-26 | 2021-07-13 | 般若涅利（北京）装备技术有限公司 | High-viscosity battery slurry rotary scattering feeding device, coating device and coating method |
| CN113102159B (en) * | 2021-04-26 | 2024-01-30 | 般若涅利（北京）装备技术有限公司 | High-viscosity battery paste rotary scattering feeding device, coating device and coating method |
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