CN118166349B - Film forming device for power battery powder - Google Patents
Film forming device for power battery powder Download PDFInfo
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- CN118166349B CN118166349B CN202410263956.4A CN202410263956A CN118166349B CN 118166349 B CN118166349 B CN 118166349B CN 202410263956 A CN202410263956 A CN 202410263956A CN 118166349 B CN118166349 B CN 118166349B
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- guide rail
- supporting seat
- horizontal guide
- film forming
- weighing platform
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- 239000000843 powder Substances 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000005686 electrostatic field Effects 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 238000005303 weighing Methods 0.000 claims description 40
- 239000010408 film Substances 0.000 description 43
- 238000000034 method Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrostatic Spraying Apparatus (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention provides a film forming device for power battery powder, which comprises: comprises a frame, a feeding mechanism arranged on the frame, a receiving table and an electrostatic generator; the feeding mechanism comprises a first supporting seat and a second supporting seat, a plurality of feeding units are arranged on the first supporting seat, and a vermicelli collecting net is arranged on the second supporting seat; the feeding unit comprises a charging barrel, a feeding screw and a driving motor, the feeding screw is arranged at a discharging hole at the lower end of the charging barrel, and the driving motor is in transmission connection with the feeding screw; the machine frame is provided with a first horizontal guide rail and a second horizontal guide rail, the second horizontal guide rail is arranged below the first horizontal guide rail, and the length direction of the second horizontal guide rail is mutually perpendicular to the length direction of the first horizontal guide rail; the first supporting seat and the second supporting seat are respectively and slidably connected to the first horizontal guide rail and the second horizontal guide rail; the material receiving table is arranged below the powder collecting silk screen, and the electrostatic generator is used for forming an electrostatic field, so that powder on the powder collecting silk screen falls down and is adsorbed on a product to be coated to form a film.
Description
Technical Field
The invention relates to the technical field of powder film forming, in particular to a power battery powder film forming device.
Background
The thin film technology has wide application in the aspects of electrolyte films, proton exchange films and the like of automobile power lithium batteries and hydrogen fuel batteries. The film-forming method has various problems of low efficiency and high cost in vapor phase film-forming technologies such as PVD (physical vapor deposition), CVD (chemical vapor deposition), and the like, and liquid phase film-forming technologies such as spray deposition, extrusion coating, casting, and the like need to prepare powder into slurry first, then remove solvents in a baking mode and the like, the introduction of the solvents and necessary adhesives generally reduces the performance of the material, and the liquid phase film-forming mode is accompanied by high energy consumption and high pollution; common solid-phase film forming methods such as dry press film forming have problems that the film thickness is difficult to be made thinner, and densification depends on treatments such as high-temperature sintering.
In contrast, the electrostatic film forming is a solid-phase film forming technology capable of enabling powder particles to be directionally attached to the surface of a substrate under the action of an electric field, the film forming method is simple and high in efficiency, the film thickness can be controlled according to requirements, the formed film has good quality, and multiple composite film layers with different components can be manufactured according to requirements.
The patent application publication No. CN115819813A discloses a powder film forming method, which adopts a mode of firstly dispersing by solvent and then filtering to form film, although an adhesive is not needed, the solvent is still needed to be used for dispersing, and the interface of the film formed by filtering is rough and uneven. The patent application publication No. CN110248814A discloses a powder film forming method and a film forming device, wherein powder is firstly filled at a wire mesh port, a collector electrode is lifted to be close to the wire mesh port to generate an electric field, and the powder is adsorbed to form a film, and the simple electrostatic film forming mode does not need a solvent, but also can generate the problems of powder agglomeration, uneven blanking and the like, so that the film forming consistency is difficult to ensure, and the film forming quality is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a power battery powder film forming device which is simple to operate, high in efficiency and uniform in blanking.
The technical scheme of the invention is that a power battery powder film forming device with the following structure is provided:
comprises a frame, a feeding mechanism arranged on the frame, a receiving table, an electrostatic generator and a controller;
The feeding mechanism comprises a first supporting seat and a second supporting seat, a plurality of feeding units are arranged on the first supporting seat, and a vermicelli collecting net is arranged on the second supporting seat; the feeding unit comprises a charging barrel, a feeding screw and a driving motor, wherein the feeding screw is arranged at a discharging hole at the lower end of the charging barrel, and the driving motor is in transmission connection with the feeding screw; the machine frame is provided with a first horizontal guide rail, a second horizontal guide rail, a first driving unit and a second driving unit, wherein the second horizontal guide rail is arranged below the first horizontal guide rail, and the length direction of the second horizontal guide rail is mutually perpendicular to the length direction of the first horizontal guide rail; the first supporting seat and the second supporting seat are respectively and slidably connected to the first horizontal guide rail and the second horizontal guide rail, and the first driving unit and the second driving unit are respectively in transmission connection with the first supporting seat and the second supporting seat;
The material receiving table is arranged below the vermicelli collecting net and used for bearing a product to be coated, and the electrostatic generator is used for forming an electrostatic field so that the powder on the vermicelli collecting net falls down and is adsorbed on the product to be coated to form a film; the controller is electrically connected with the driving motor, the first driving unit, the second driving unit and the static generator respectively and used for controlling the driving motor, the first driving unit, the second driving unit and the static generator to be opened or closed.
After adopting the structure, compared with the prior art, the power battery powder film forming device has the following advantages:
the controller controls the driving motor to drive the feeding screw to rotate, so that the powder discharge of the charging barrel is accurately controlled; meanwhile, the controller controls the first driving unit to drive the first supporting seat to slide along the first horizontal guide rail, and controls the second driving unit to drive the second supporting seat to slide along the second horizontal guide rail, so that powder in the charging barrel is uniformly distributed on the vermicelli collecting net; finally, the controller controls the electrostatic generator to form an electrostatic field, so that the powder on the vermicelli collecting net falls down and is adsorbed on the product to be coated to form a film. The device is simple in operation, high in efficiency and even in blanking, and can ensure consistency of film formation, thereby ensuring film formation quality. In addition, the device can adjust the blanking rate of a plurality of feeding units according to the film forming requirement.
Preferably, the frame is also provided with a weighing platform, and the material receiving platform is arranged on the weighing platform; the weighing platform is electrically connected with the controller and used for detecting the weight of the material receiving platform in real time and transmitting detected signals to the controller. The weighing platform can accurately weigh the weight of the powder falling onto the receiving platform, and after the weight of the film-forming powder reaches a preset value, the electrostatic generator is turned off through the controller, so that the film-forming thickness meets the requirement.
Preferably, the device further comprises a horizontal adjusting mechanism, wherein the horizontal adjusting mechanism is connected with the weighing platform and used for adjusting the angle of the material receiving platform on the weighing platform so that the material receiving platform is parallel to the vermicelli collecting net. The angle of the material receiving table is finely adjusted through the horizontal adjusting mechanism, so that the material receiving table is parallel to the vermicelli collecting net, and the powder can be better electrostatically adsorbed to form a film.
Preferably, the horizontal adjusting mechanism comprises a supporting plate, a universal seat, a height adjusting motor and a distance sensor, wherein the height adjusting motor and the distance sensor are respectively and electrically connected with the controller; one end of the universal seat is connected with the top of the supporting plate, the other end of the universal seat is connected with the bottom of the weighing platform, and the output end of the height adjusting motor is connected with the weighing platform and used for adjusting the angles of the weighing platform and the receiving platform; the four distance sensors are respectively arranged at four corners of the second supporting seat and used for detecting the distance between the distance sensors and the corresponding four corners of the weighing platform and transmitting detected signals to the controller, and the controller controls the lifting of the height adjusting motor according to the received signals.
Preferably, the two height adjusting motors are arranged at two ends of the same side of the weighing platform. Thus, the angle of the abutting table can be finely adjusted better.
Preferably, reflecting plates are arranged at four corners of the weighing platform, and the reflecting plates are located right below the corresponding distance sensors.
Preferably, the rack is also provided with a height adjusting component for adjusting the distance between the material receiving table and the vermicelli collecting net; the height adjusting assembly comprises a vertical motor arranged on the frame, and the output end of the vertical motor is connected with the bottom of the supporting plate and used for adjusting the height of the supporting plate. The height adjusting component can lift the material receiving table to a proper position, so that the follow-up electrostatic film forming is facilitated.
Preferably, the height adjusting assembly further comprises a supporting frame, a guide rod extending vertically downwards is arranged at the bottom of the supporting plate, a guide sleeve matched with the guide rod is arranged on the supporting frame, and the guide rod is slidably connected in the guide sleeve. Through the cooperation of guide bar and guide sleeve, can make the material receiving platform accurately vertical reciprocate, avoid it to take place the skew when reciprocate.
Preferably, the feeding unit further comprises a hopper, wherein the hopper is arranged on the first supporting seat and positioned below the discharge end of the feeding screw and is used for receiving powder sent by the charging barrel; the hopper is funnel-shaped with big top and small bottom, and the lower end of the hopper penetrates through the bottom of the first supporting seat. The hopper can enable the powder output by the charging barrel to more uniformly fall onto the vermicelli collecting net.
Preferably, the frame is provided with a guide groove parallel to the first horizontal guide rail, the first supporting seat is provided with a guide block, the guide block is slidably connected in the guide groove, and the lower end of the guide block penetrates through the guide groove and is in transmission connection with the first driving unit.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a transverse cross-sectional view of the present invention.
Fig. 3 is a longitudinal cross-sectional view of the present invention.
Fig. 4 is a schematic partial structure of the upper half of the feeding mechanism according to the present invention.
Fig. 5 is a schematic partial structure of the lower half of the feeding mechanism according to the present invention.
FIG. 6 is a schematic view of the structure of the receiving station, the weighing station and the horizontal adjusting mechanism in the present invention.
Reference numerals illustrate:
1. the device comprises a rack, 11, a first horizontal guide rail, 12, a second horizontal guide rail, 13, a first driving unit, 14, a second driving unit, 15, a guide groove, 16, a handle, 2, a feeding mechanism, 21, a first supporting seat, 211, a guide block, 22, a second supporting seat, 23, a feeding unit, 231, a charging barrel, 232, a feeding screw, 233, a driving motor, 234, a hopper, 24, a powder collecting screen, 3, a receiving platform, 4, a universal wheel, 5, a weighing platform, 51, a reflecting plate, 6, a horizontal adjusting mechanism, 61, a supporting plate, 611, a guide rod, 62, a universal seat, 63, a height adjusting motor, 64, a distance sensor, 7, a height adjusting component, 71, a vertical motor, 72, a supporting frame, 73 and a guide sleeve.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention, while the terms "first", "second", etc. are merely names for distinguishing the respective components, and have no major and minor relationships, and thus should not be construed as limiting the present invention.
As shown in fig. 1,2, 3, 4, 5 and 6;
The invention discloses a film forming device for power battery powder, which comprises a power battery powder body: comprises a frame 1, a feeding mechanism 2, a receiving platform 3, a weighing platform 5, a horizontal adjusting mechanism 6, an electrostatic generator (not shown) and a controller (not shown) which are arranged on the frame 1.
The feeding mechanism 2 comprises a first supporting seat 21 and a second supporting seat 22, a plurality of feeding units 23 are arranged on the first supporting seat 21, and a vermicelli collecting net 24 is arranged on the second supporting seat 22; the feeding unit 23 comprises a charging barrel 231, a feeding screw 232, a driving motor 233 and a hopper 234, wherein the feeding screw 232 is arranged at a discharge hole at the lower end of the charging barrel 231, the driving motor 233 is in transmission connection with the feeding screw 232, and the hopper 234 is arranged on the first supporting seat 21 and positioned below the discharge end of the feeding screw 232 and is used for receiving powder sent by the charging barrel 231; the hopper 234 is funnel-shaped with a large top and a small bottom, and the lower end of the hopper 234 penetrates through the bottom of the first supporting seat 21, so that the powder output by the charging barrel 231 can more uniformly fall onto the vermicelli collecting net 24.
The frame 1 is provided with a first horizontal guide rail 11, a second horizontal guide rail 12, a first driving unit 13 and a second driving unit 14, the second horizontal guide rail 12 is arranged below the first horizontal guide rail 11, the length direction of the second horizontal guide rail 12 is perpendicular to the length direction of the first horizontal guide rail 11 (the plane of the first horizontal guide rail 11 and the plane of the second horizontal guide rail 12 are parallel, and the projection of the first horizontal guide rail 11 on the plane of the second horizontal guide rail 12 is perpendicular to the second horizontal guide rail 12); the first support seat 21 and the second support seat 22 are respectively and slidably connected to the first horizontal guide rail 11 and the second horizontal guide rail 12, and the first driving unit 13 and the second driving unit 14 are respectively and drivingly connected to the first support seat 21 and the second support seat 22, so as to drive the first support seat 21 and the second support seat 22 to slide along the corresponding first horizontal guide rail 11 and second horizontal guide rail 12.
The material receiving table 3 is arranged below the vermicelli collecting net 24 and is used for bearing a product to be coated, and the electrostatic generator is used for forming an electrostatic field so that the powder on the vermicelli collecting net 24 falls down and is adsorbed on the product to be coated to form a film; the controller 4 is connected to the driving motor 233, the first driving unit 13, the second driving unit 14, and the electrostatic generator through wires, respectively, for controlling the driving motor 233, the first driving unit 13, the second driving unit 14, and the electrostatic generator to be turned on or off.
The controller 4 controls the driving motor 233 to drive the feeding screw 232 to rotate, so that the powder discharge of the charging barrel 231 is accurately controlled; meanwhile, the controller 4 controls the first driving unit 13 to drive the first supporting seat 21 to slide along the first horizontal guide rail 11, and controls the second driving unit 14 to drive the second supporting seat 22 to slide along the second horizontal guide rail 12, so that the powder in the charging barrel 231 is uniformly distributed on the vermicelli collecting net 24; finally, the controller 4 controls the electrostatic generator to form an electrostatic field, so that the powder on the vermicelli collecting net 24 falls down and is adsorbed on the product to be coated to form a film. The device is simple in operation, high in efficiency and even in blanking, and can ensure consistency of film formation, thereby ensuring film formation quality. In addition, the device can adjust the blanking rate of the plurality of feeding units 23 according to the film forming requirement.
The material receiving platform 3 is arranged on the weighing platform 5, and the weighing platform 5 (a built-in pressure sensor) is electrically connected with the controller 4 and used for detecting the weight of the material receiving platform 3 in real time and transmitting detected signals to the controller 4. The weighing platform 5 can accurately weigh the weight of the powder falling onto the material receiving platform 3, and after the weight of the film-forming powder reaches a preset value, the electrostatic generator is turned off through the controller 4, so that the film-forming thickness meets the requirement.
The horizontal adjusting mechanism 6 is connected with the weighing platform 5 and is used for adjusting the angle of the material receiving platform 3 on the weighing platform 5 so that the material receiving platform 3 is parallel to the powder collecting screen 24. The horizontal adjusting mechanism 6 comprises a supporting plate 61, a universal seat 62, a height adjusting motor 63 and a distance sensor 64, and the height adjusting motor 63 and the distance sensor 64 are respectively connected with the controller 4 through wires.
One end of the universal seat 62 is connected with the top of the supporting plate 61, the other end is connected with the bottom of the weighing platform 5, and the output end of the height adjusting motor 63 is hinged with the bottom of the weighing platform 5 and is used for adjusting the angles of the weighing platform 5 and the receiving platform 3. Four distance sensors 64 are respectively arranged at four corners of the second supporting seat 22; the four corners of the weighing platform 5 are respectively provided with a reflecting plate 51, the reflecting plates 51 are positioned under corresponding distance sensors 64, the distance sensors 64 are used for detecting the distance between the weighing platform 5 and the corresponding reflecting plates 51, detected signals are transmitted to the controller 4, and the controller 4 controls the lifting of the height adjusting motor 63 according to the received signals. The two height adjusting motors 63 are arranged at two ends of the same side of the weighing platform 5, so that the angle of the material receiving platform 3 can be finely adjusted better, the material receiving platform is parallel to the vermicelli collecting net 24, and powder can be better electrostatically adsorbed to form a film. The universal seat 62 includes a ball seat and a ball head rotatably coupled within the ball seat, as is known in the art and not described in detail.
The frame 1 is also provided with a height adjusting component 7 for adjusting the distance between the material receiving table 3 and the vermicelli collecting net 24. The height adjusting assembly 7 comprises a vertical motor 71 arranged on the frame 1, and the output end of the vertical motor 71 is connected with the bottom of the supporting plate 61 and used for adjusting the height of the supporting plate 61, so that the material receiving table 3 is lifted to a proper position, and the follow-up electrostatic film forming is facilitated.
The height adjusting assembly 7 further comprises a supporting frame 72, a guide rod 611 extending vertically downwards is arranged at the bottom of the supporting plate 61, a guide sleeve 73 matched with the guide rod 611 is arranged on the supporting frame 72, and the guide rod 611 is slidably connected in the guide sleeve 73. By the cooperation of the guide rod 611 and the guide sleeve 73, the receiving table 3 can be accurately moved vertically up and down, and the offset during the up and down movement can be avoided.
The frame 1 is provided with a guide groove 15 which is parallel to the first horizontal guide rail 11, the first supporting seat 21 is provided with a guide block 211, the guide block 211 is slidably connected in the guide groove 15, and the lower end of the guide block 211 passes through the guide groove 15 and is in transmission connection with the first driving unit 13. A handle 16 is provided on one side of the frame 1 and a plurality of universal wheels 4 are provided on the bottom of the frame 1, which facilitates the movement of the device.
The first driving unit 13 and the second driving unit 14 are driving motors, and the height adjusting motor 63 and the vertical motor 71 are linear motors.
The specific operation mode of the invention is as follows:
Firstly, a controller controls a driving motor to drive a feeding screw rod to rotate, and powder discharge of a charging barrel is accurately controlled; meanwhile, the controller controls the first driving unit to drive the first supporting seat to slide along the first horizontal guide rail, and controls the second driving unit to drive the second supporting seat to slide along the second horizontal guide rail, so that powder in the charging barrel is uniformly distributed on the vermicelli collecting net; then, lifting the adjusting supporting plate to a proper position by the vertical motor; then, the distance sensor detects the distance between the sensor and the corresponding reflecting plate on the weighing platform, the detected signal is transmitted to the controller, and the controller carries out fine adjustment on the material receiving platform through the height adjusting motor according to the received signal so as to enable the material receiving platform to be parallel to the vermicelli collecting net; finally, the controller controls the electrostatic generator to form an electrostatic field, so that the powder on the vermicelli collecting net falls down and is adsorbed on the product to be coated to form a film; after the weighing value of the weighing platform reaches a preset value, the static generator is turned off through the controller, so that the film forming thickness is ensured to meet the requirement.
The foregoing is merely illustrative of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the scope of the present invention should be included within the scope of the present invention, and the scope of the present invention shall be defined by the appended claims.
Claims (9)
1. A power battery powder film forming device is characterized in that: comprises a frame (1), a feeding mechanism (2) arranged on the frame (1), a receiving table (3), an electrostatic generator and a controller;
The feeding mechanism (2) comprises a first supporting seat (21) and a second supporting seat (22), a plurality of feeding units (23) are arranged on the first supporting seat (21), and a vermicelli collecting net (24) is arranged on the second supporting seat (22); the feeding unit (23) comprises a charging barrel (231), a feeding screw (232) and a driving motor (233), wherein the feeding screw (232) is arranged at a discharging hole at the lower end of the charging barrel (231), and the driving motor (233) is in transmission connection with the feeding screw (232); the machine frame (1) is provided with a first horizontal guide rail (11), a second horizontal guide rail (12), a first driving unit (13) and a second driving unit (14), wherein the second horizontal guide rail (12) is arranged below the first horizontal guide rail (11), and the length direction of the second horizontal guide rail (12) is mutually perpendicular to the length direction of the first horizontal guide rail (11); the first supporting seat (21) and the second supporting seat (22) are respectively and slidably connected to the first horizontal guide rail (11) and the second horizontal guide rail (12), and the first driving unit (13) and the second driving unit (14) are respectively and drivingly connected with the first supporting seat (21) and the second supporting seat (22);
The material receiving table (3) is arranged below the vermicelli collecting net (24) and is used for bearing a product to be coated, and the electrostatic generator is used for forming an electrostatic field so that the powder on the vermicelli collecting net (24) falls down and is adsorbed on the product to be coated to form a film; the controller is respectively and electrically connected with the driving motor (233), the first driving unit (13), the second driving unit (14) and the electrostatic generator, and is used for controlling the opening or closing of the driving motor (233), the first driving unit (13), the second driving unit (14) and the electrostatic generator;
the feeding unit (23) further comprises a hopper (234), wherein the hopper (234) is arranged on the first supporting seat (21) and positioned below the discharge end of the feeding screw (232) and is used for receiving powder sent out by the charging barrel (231); the hopper (234) is in a funnel shape with a large upper part and a small lower part, and the lower end of the hopper (234) penetrates through the bottom of the first supporting seat (21), so that powder output by the charging barrel (231) more uniformly falls onto the vermicelli collecting net (24).
2. The power battery powder film forming apparatus according to claim 1, wherein: a weighing platform (5) is further arranged on the frame (1), and the material receiving platform (3) is arranged on the weighing platform (5); the weighing platform (5) is electrically connected with the controller and used for detecting the weight of the receiving platform (3) in real time and transmitting detected signals to the controller.
3. The power battery powder film forming apparatus according to claim 2, wherein: the device also comprises a horizontal adjusting mechanism (6), wherein the horizontal adjusting mechanism (6) is connected with the weighing platform (5) and is used for adjusting the angle of the material receiving platform (3) on the weighing platform (5) so that the material receiving platform (3) is parallel to the vermicelli collecting net (24).
4. The power battery powder film forming apparatus according to claim 3, wherein: the horizontal adjusting mechanism (6) comprises a supporting plate (61), a universal seat (62), a height adjusting motor (63) and a distance sensor (64), wherein the height adjusting motor (63) and the distance sensor (64) are respectively and electrically connected with the controller; one end of the universal seat (62) is connected with the top of the supporting plate (61), the other end of the universal seat is connected with the bottom of the weighing platform (5), and the output end of the height adjusting motor (63) is connected with the weighing platform (5) and used for adjusting the angles of the weighing platform (5) and the receiving platform (3); the four distance sensors (64) are respectively arranged at four corners of the second supporting seat (22) and are used for detecting the distance between the distance sensors (64) and the corresponding four corners of the weighing platform (5) and transmitting detected signals to the controller, and the controller controls the lifting of the height adjusting motor (63) according to the received signals.
5. The power battery powder film forming apparatus according to claim 4, wherein: the two height adjusting motors (63) are arranged at two ends of the same side of the weighing platform (5).
6. The power battery powder film forming apparatus according to claim 5, wherein: the four corners of the weighing platform (5) are respectively provided with a reflecting plate (51), and the reflecting plates (51) are positioned right below the corresponding distance sensors (64).
7. The power battery powder film forming apparatus according to claim 4, wherein: the machine frame (1) is also provided with a height adjusting component (7) for adjusting the distance between the material receiving table (3) and the vermicelli collecting net (24); the height adjusting assembly (7) comprises a vertical motor (71) arranged on the frame (1), and the output end of the vertical motor (71) is connected with the bottom of the supporting plate (61) and used for adjusting the height of the supporting plate (61).
8. The power battery powder film forming apparatus according to claim 7, wherein: the height adjusting assembly (7) further comprises a supporting frame (72), a guide rod (611) extending vertically downwards is arranged at the bottom of the supporting plate (61), a guide sleeve (73) matched with the guide rod (611) is arranged on the supporting frame (72), and the guide rod (611) is slidably connected in the guide sleeve (73).
9. The power battery powder film forming apparatus according to claim 1, wherein: the machine frame (1) is provided with a guide groove (15) which is parallel to the first horizontal guide rail (11), the first supporting seat (21) is provided with a guide block (211), the guide block (211) is slidably connected in the guide groove (15), and the lower end of the guide block (211) penetrates through the guide groove (15) and is in transmission connection with the first driving unit (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410263956.4A CN118166349B (en) | 2024-03-08 | 2024-03-08 | Film forming device for power battery powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410263956.4A CN118166349B (en) | 2024-03-08 | 2024-03-08 | Film forming device for power battery powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118166349A CN118166349A (en) | 2024-06-11 |
| CN118166349B true CN118166349B (en) | 2024-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410263956.4A Active CN118166349B (en) | 2024-03-08 | 2024-03-08 | Film forming device for power battery powder |
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| Country | Link |
|---|---|
| CN (1) | CN118166349B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248814A (en) * | 2017-02-03 | 2019-09-17 | 日立造船株式会社 | Powder film forming method and powder film formation device |
| CN111618295A (en) * | 2020-06-04 | 2020-09-04 | 太原红日强磁材有限公司 | Positive displacement weighing and distributing device and distributing method thereof |
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| US6355146B1 (en) * | 1996-04-03 | 2002-03-12 | The Regents Of The University Of California | Sputtering process and apparatus for coating powders |
| US6660326B2 (en) * | 2000-08-04 | 2003-12-09 | Tomoegawa Paper Co. Ltd. | Production method for monolayer powder film and production apparatus therefor |
| JP2011198665A (en) * | 2010-03-23 | 2011-10-06 | Dainippon Printing Co Ltd | Manufacturing method of organic-thin-film-forming base material |
| JP7105592B2 (en) * | 2018-03-30 | 2022-07-25 | 日立造船株式会社 | POWDER FILM FORMING APPARATUS AND POWDER FILM FORMING METHOD |
| CN112385069A (en) * | 2018-07-13 | 2021-02-19 | 日立造船株式会社 | Manufacturing equipment of all-solid-state secondary battery |
| KR102084892B1 (en) * | 2019-10-08 | 2020-05-26 | 주식회사 에스앤티 | Powder feeding device and 3D printer having the same |
| CN115805148A (en) * | 2022-12-09 | 2023-03-17 | 宋毅 | Electrostatic adsorption film coating device and film coating method |
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| CN110248814A (en) * | 2017-02-03 | 2019-09-17 | 日立造船株式会社 | Powder film forming method and powder film formation device |
| CN111618295A (en) * | 2020-06-04 | 2020-09-04 | 太原红日强磁材有限公司 | Positive displacement weighing and distributing device and distributing method thereof |
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