CN114985191B - Slurry coating device for lithium battery production - Google Patents
Slurry coating device for lithium battery production Download PDFInfo
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- CN114985191B CN114985191B CN202210692964.1A CN202210692964A CN114985191B CN 114985191 B CN114985191 B CN 114985191B CN 202210692964 A CN202210692964 A CN 202210692964A CN 114985191 B CN114985191 B CN 114985191B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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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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Abstract
The invention discloses a slurry coating device for lithium battery production, which relates to the technical field of lithium battery production and comprises a working flat plate, a conveying mechanism and a distributing mechanism, wherein the working flat plate is horizontally arranged, the conveying mechanism is arranged above the working flat plate and is used for continuously conveying a current collector, the conveying mechanism comprises a hydraulic cylinder, a lifting plate, a conveying roller and a conveying motor, the distributing mechanism is arranged above the conveying mechanism and is used for uniformly coating slurry on the moving current collector, and the distributing mechanism comprises a storage box, a coating roller, a guide rail, a blocking strip and a crankshaft. The slurry coating device for lithium battery production has the characteristics of ingenious design, reasonable structure and convenient use, can realize synchronous delivery of the current collector and the coating slurry, and can realize quantitative slurry discharge and uniform slurry coating so as to ensure the consistency of the thickness of the coating slurry.
Description
Technical Field
The invention relates to the technical field of lithium battery production, in particular to a slurry coating device for lithium battery production.
Background
Coating is one of the most important technological processes of lithium ion batteries, namely, anode slurry or cathode slurry required by lithium ion battery manufacturing is uniformly coated on a substrate, the anode substrate is aluminum foil at present, and the substrate of the cathode is copper foil.
The coating process is complex, and meanwhile, factors influencing the coating effect are more, such as: 1. in the pole piece coating process, the sizing agent is fed uninterruptedly, so that the sizing agent is easy to overflow the surface of the pole piece, resources are wasted, and the coating thickness is thickened; 2. when the surface of the pole piece is coated for one time, uneven coating thickness can be caused, and the performance consistency of the battery pole piece is affected.
Disclosure of Invention
The invention aims to provide a slurry coating device for lithium battery production, which is used for solving the defects caused by the prior art.
The utility model provides a thick liquids coating unit that lithium cell production was used, includes work flat board, conveying mechanism and cloth mechanism, wherein, work flat board level sets up, conveying mechanism locates the top of work flat board and is used for carrying the mass flow body in succession, cloth mechanism locates conveying mechanism's top and is used for evenly coating thick liquids to the mass flow body of motion.
Preferably, the conveying mechanism comprises a hydraulic cylinder, a lifting plate, conveying rollers and a conveying motor, wherein the hydraulic cylinder is vertically upwards connected to the middle of a working flat plate, the lifting plate is of a U-shaped structure and is centrally connected to the tail end of a piston rod of the hydraulic cylinder, the conveying rollers are horizontally and rotatably connected to the front end and the rear end of the lifting plate, friction wheels I are uniformly and fixedly connected to the front end and the rear end of the conveying rollers, the conveying motors are symmetrically distributed in pairs, two conveying motors are horizontally arranged on the upper side of the lifting plate through a pair of L-shaped fixing plates, belt wheels I are uniformly and fixedly connected to an output shaft of each conveying motor, belt wheels II are uniformly and fixedly connected to the front end and the rear end of each conveying roller through a first driving belt, a pair of guide posts are symmetrically connected to the lower side of each lifting plate, and the guide posts are slidably connected with the working flat plate through guide sleeves.
Preferably, the cloth mechanism includes deposits case, coating roller, guided way, barrier strip and bent axle, deposit the case and locate the top of conveyer roller, deposit the case and be rectangle box structure and its bottom undercut, the bottom evenly distributed who deposits the case has circular shape discharge port, each turning of depositing the case all is connected with the support bar, the bottom of support bar all welds the backup pad, the backup pad is all fixed in the upside of work flat board, the front and back both sides symmetry welding of depositing the case has a pair of connection piece that stretches out downwards, the coating roller level rotates and connects in the centre of two connection pieces, the front and back both ends of coating roller all are connected with friction pulley two, the guided way is equipped with a pair of and symmetrical connection on the front and back inner wall of depositing the case, equal sliding connection has the sliding block on the guided way, the side of sliding block is all vertical to be connected with the sliding plate, barrier strip level is connected with the downside of two sliding plates, the downside evenly distributed of barrier strip has cylindrical barrier post, be located the top and change the top and be connected with in the bent axle, the front and back end is connected with the bent axle through the four pulleys, three pulleys are connected with the bent axle, and the end is connected with the bent axle.
Preferably, a pair of uniform combing plates are symmetrically arranged at the left side and the right side of the coating roller in the storage box, the cross section of each uniform combing plate is of a Z-shaped structure, and a row of uniform combing teeth which are uniformly distributed are arranged at the bottom of each uniform combing plate.
Preferably, a pair of vibrators are uniformly mounted on the outer wall of the uniform combing plate.
Preferably, the diameter ratio of the first friction wheel to the second friction wheel is 1:1, a step of; the diameter ratio of the first belt pulley to the second belt pulley is 1:1, a step of; the diameter ratio of the belt wheel III to the belt wheel IV is 1:6.
compared with the prior art, the slurry coating device for lithium battery production has the following advantages:
1. the use is very convenient. Before use, the prepared slurry is continuously conveyed into a storage box, and then the current collector horizontally passes through the space between the conveying roller and the coating roller.
2. The conveyance and the coating are synchronously performed. The piston rod of the hydraulic cylinder stretches and drives the coating roller to rise to a preset height, so that the upper side and the lower side of the current collector are respectively contacted with the conveying roller and the coating roller, the friction wheel I positioned at the same side is contacted with the friction wheel II, the conveying roller is driven to rotate through the belt wheel I and the belt wheel II by the conveying motor, continuous conveying of the current collector is realized through friction force between the conveying roller and the current collector, the coating roller is driven to rotate through the friction wheel I and the friction wheel II, and slurry coating of the current collector is realized through friction force between the coating roller and the current collector.
3. The slurry can be quantitatively discharged. The crankshaft is driven to rotate through the third belt pulley and the fourth belt pulley by the coating roller, and the crankshaft drives the blocking strip to reciprocate through the connecting rod.
4. Can uniformly coat the sizing agent. The evenly-combing teeth on the evenly-combing plate are used for combing evenly-distributed slurry which is dropped on the coating roller and is in a dot shape, and the vibrator is additionally arranged to further improve the evenly-combing effect on the slurry on the coating roller so as to ensure the consistency of the thickness of the coating slurry.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention.
Fig. 2 is a schematic diagram of the overall side view of the present invention.
Fig. 3 is a schematic structural view of a conveying mechanism in the present invention.
Fig. 4 and 5 are schematic structural views of a distributing mechanism in the present invention.
Fig. 6 is a schematic structural view of the storage box in the distributing mechanism.
Fig. 7 is a schematic structural view of a comb plate in the distributing mechanism.
Fig. 8 is a schematic structural view of a blocking strip in the distributing mechanism.
Wherein:
10-working plate;
20-a conveying mechanism; 201-a hydraulic cylinder; 202-lifting plates; 203-conveying rollers; 204-friction wheel one; 205-a conveyor motor; 206-fixing plate; 207-pulley one; 208-pulley two; 209-a first belt; 210-a guide post; 211-a guide sleeve;
30-a material distribution mechanism; 301-storage box; 301 a-a discharge hole; 302-supporting bars; 303-supporting plates; 304-connecting pieces; 305-coating roller; 306-friction wheel two; 307-carding the uniform plate; 3071-comb teeth; 3072-vibrator; 308-guide rails; 309-a slider; 310-sliding plate; 311-barrier strips; 312-blocking posts; 313-crankshaft; 314-a connecting rod; 315-pin shaft; 316-pulley three; 317-pulley IV; 318-belt two.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 8, a slurry coating device for lithium battery production comprises a working flat plate 10, a conveying mechanism 20 and a distributing mechanism 30, wherein the working flat plate 10 is horizontally arranged, the conveying mechanism 20 is arranged above the working flat plate 10 and is used for continuously conveying a current collector, and the distributing mechanism 30 is arranged above the conveying mechanism 20 and is used for uniformly coating slurry on the moving current collector.
In this embodiment, the conveying mechanism 20 includes a hydraulic cylinder 201, a lifting plate 202, a conveying roller 203 and a conveying motor 205, the hydraulic cylinder 201 is vertically connected to the middle of the working plate 10 upwards, the lifting plate 202 is of a "U" type structure and is centrally connected to the tail end of a piston rod of the hydraulic cylinder 201, the conveying roller 203 is horizontally rotatably connected to the front end and the rear end of the lifting plate 202, the front end and the rear end of the conveying roller 203 are both connected with a friction wheel one 204 in a key manner, the conveying motor 205 is provided with a pair of symmetrically distributed front and rear, the two conveying motors 205 are horizontally mounted on the upper side of the lifting plate 202 through a pair of L-shaped fixing plates 206, belt wheels one 207 are connected to an output shaft of the conveying motor 205 in a key manner, belt wheels one 207 and two 208 located on the same side are connected through a first belt 209, the lower side of the lifting plate 202 is symmetrically connected with a pair of guide posts 210, and the guide posts 210 are both slidingly connected with the working plate 10 through a guide sleeve 211.
In this embodiment, the distributing mechanism 30 comprises a storage box 301, a coating roller 305, a guide rail 308, a blocking strip 311 and a crankshaft 313, wherein the storage box 301 is disposed above the conveying roller 203, the storage box 301 is in a rectangular box structure, the bottom of the storage box 301 is recessed downward, round discharge holes 301a are uniformly distributed at the bottom of the storage box 301, each corner of the storage box 301 is connected with a support bar 302, the bottom ends of the support bars 302 are welded with support plates 303, the support plates 303 are fixed on the upper side of the work flat plate 10, a pair of downward extending connecting pieces 304 are symmetrically welded on the front and rear sides of the storage box 301, the coating roller 305 is horizontally and rotatably connected between the two connecting pieces 304, the front and rear ends of the coating roller 305 are connected with two friction wheels 306, the guide rail 308 is provided with a pair of guide rails and is symmetrically connected to the front and rear inner walls of the storage box 301, the guide rails 308 are all connected with sliding blocks 309 in a sliding manner, the side surfaces of the sliding blocks 309 are all vertically connected with sliding plates 310, the blocking strips 311 are horizontally connected to the lower sides of the two sliding plates 310, cylindrical blocking columns 312 are uniformly distributed on the lower sides of the blocking strips 311, a crankshaft 313 is located above the blocking strips 311 and is rotationally connected to the front and rear side walls of the storage box 301, a pair of connecting rods 314 are symmetrically hinged to the crankshaft 313 in a front and rear manner, the lower ends of the connecting rods 314 located on the same side are connected to the middle of the sliding plates 310 through pin shafts 315, the rear end of the crankshaft 313 is connected with a belt wheel III 316 in a key manner, the rear end of the coating roller 305 is also connected with a belt wheel IV 317 in a key manner, and the belt III 316 is connected with the fourth 317 through a transmission belt II 318.
In this embodiment, the storage box 301 is symmetrically provided with a pair of uniform combing plates 307 on the left and right sides of the coating roller 305, the cross section of the uniform combing plates 307 is in a zigzag structure, and a row of uniform combing teeth 3071 are uniformly distributed on the bottom of the uniform combing plates 307. The slurry dropped onto the coating roll 305 and distributed in a dot shape is comb-homogenized by the comb-homogenizing teeth 3071 on the comb-homogenizing plate 307.
In this embodiment, a pair of vibrators 3072 are uniformly mounted on the outer wall of the comb plate 307. The vibrator 3072 is additionally arranged to further improve the carding effect of the carding teeth 3071 on the carding plate 307 on the slurry on the coating roller 305 so as to ensure the consistency of the thickness of the coating slurry.
In this embodiment, the ratio of the diameters of the first friction wheel 204 to the second friction wheel 306 is 1:1, i.e. a constant speed transmission between the delivery roller 203 and the coating roller 305; the diameter ratio of the first belt pulley 207 to the second belt pulley 208 is 1:1, that is, a constant speed transmission between the conveying motor 205 and the conveying roller 203; the diameter ratio of the third pulley 316 to the fourth pulley 317 is 1:6, i.e. the speed increasing transmission between the applicator roll 305 and the crankshaft 313.
The slurry coating device for lithium battery production comprises the following working contents when in practical application:
step 1: continuously feeding the slurry prepared in advance into the storage tank 301;
step 2: passing the current collector horizontally between the conveying roller 203 and the coating roller 305;
step 3: the piston rod of the hydraulic cylinder 201 stretches and drives the coating roller 305 to rise to a preset height, so that the upper side and the lower side of the current collector are respectively contacted with the conveying roller 203 and the coating roller 305, and the friction wheel one 204 and the friction wheel two 306 which are positioned on the same side are contacted;
step 4: the conveying motor 205 drives the conveying roller 203 to rotate through the belt wheel I207 and the belt wheel II 208, and continuous conveying of the current collector is realized through friction force between the conveying roller 203 and the current collector;
step 5: the conveying roller 203 drives the coating roller 305 to rotate through the first friction wheel 204 and the second friction wheel 306, and the slurry coating of the current collector is realized through the friction force between the coating roller 305 and the current collector;
step 6: the coating roller 305 drives the crankshaft 313 to rotate through the belt pulley III 316 and the belt pulley IV 317, and drives the blocking strip 311 to reciprocate through the crankshaft 313 and the connecting rod 314, when the blocking strip 311 ascends, the slurry in the storage tank 301 can slide down into the discharge hole 301a under the action of self gravity, when the blocking strip 311 descends, the slurry in the discharge hole 301a is inserted into the discharge hole 301a through the blocking column 312 on the blocking strip 311, and the slurry in the discharge hole 301a is extruded onto the coating roller 305;
step 7: the slurry dropped on the coating roller 305 and distributed in a dot shape is combed by the comb-homogenizing teeth 3071 on the comb-homogenizing plate 307, and the thickness uniformity of the coating slurry is ensured by further improving the comb-homogenizing effect on the slurry on the coating roller 305 by adding the vibrator 3072.
Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (4)
1. The utility model provides a thick liquids coating unit that lithium cell production was used which characterized in that: comprises a working flat plate (10), a conveying mechanism (20) and a distributing mechanism (30), wherein:
the working plate (10) is horizontally arranged;
the conveying mechanism (20) is arranged above the working flat plate (10) and is used for continuously conveying the current collector, the conveying mechanism (20) comprises a hydraulic cylinder (201), a lifting plate (202), a conveying roller (203) and a conveying motor (205), the hydraulic cylinder (201) is vertically upwards connected to the middle of the working flat plate (10), the lifting plate (202) is of a U-shaped structure and is centrally connected to the tail end of a piston rod of the hydraulic cylinder (201), the conveying roller (203) is horizontally and rotatably connected to the front end and the rear end of the lifting plate (202), the front end and the rear end of the conveying roller (203) are respectively connected with a friction wheel I (204) in a key way, the conveying motors (205) are arranged in a pair and symmetrically distributed in the front-back mode, the two conveying motors (205) are horizontally arranged on the upper side of the lifting plate (202) through a pair of L-shaped fixing plates (206), belt wheels I (207) are connected to output shafts of the conveying motors (205) in a key mode, belt wheels II (208) are connected to front sections and rear sections of the conveying rollers (203) in a key mode, belt wheels I (207) and belt wheels II (208) located on the same side are connected through a transmission belt I (209), a pair of guide posts (210) are symmetrically connected to the lower side of the lifting plate (202), and the guide posts (210) are in sliding connection with the working plate (10) through guide sleeves (211);
the material distribution mechanism (30) is arranged above the conveying mechanism (20) and used for uniformly coating slurry on a moving current collector, the material distribution mechanism (30) comprises a storage box (301), a coating roller (305), a guide rail (308), a blocking strip (311) and a crankshaft (313), the storage box (301) is arranged above the conveying roller (203), the storage box (301) is of a rectangular box structure and the bottom of the storage box is recessed downwards, circular discharge holes (301 a) are uniformly distributed at the bottom of the storage box (301), each corner of the storage box (301) is connected with a support bar (302), the bottom ends of the support bars (302) are welded with a support plate (303), the support plate (303) is fixed on the upper side of a working flat plate (10), a pair of connecting pieces (304) which downwards extend downwards are symmetrically welded on the front side and the rear side of the storage box (301), the coating roller (305) is horizontally and rotationally connected to the middle of the two connecting pieces (304), two friction wheels (306) are respectively connected to the front end and the rear end of the coating roller (301), a pair of guide rails (308) are symmetrically connected to the guide rail (308) and connected to the upper side face (309), the utility model discloses a coating roller, including baffle strip (311), bent axle (313), connecting rod (314) are articulated to the downside of baffle strip (311) level in two sliding plate (310), the downside evenly distributed of baffle strip (311) has cylindrical blocking post (312), bent axle (313) are located the top of baffle strip (311) and rotate and connect on the front and back lateral wall of depositing case (301), the symmetry is articulated around on bent axle (313) has a pair of connecting rod (314), the lower tip of connecting rod (314) that are located homonymy is connected in the centre of sliding plate (310) through round pin axle (315), the rear end key of bent axle (313) is connected with band pulley III (316), the rear end key of coating roller (305) still is connected with band pulley IV (317), be connected through drive belt II (318) between band III (316).
2. The slurry coating device for lithium battery production according to claim 1, wherein: the storage box (301) is symmetrically provided with a pair of uniform carding plates (307) at the left side and the right side of the coating roller (305), the cross section of each uniform carding plate (307) is of a Z-shaped structure, and a row of uniform carding teeth (3071) which are uniformly distributed are arranged at the bottom of each uniform carding plate (307).
3. The slurry coating device for lithium battery production according to claim 2, wherein: a pair of vibrators (3072) are uniformly mounted on the outer wall of the comb plate (307).
4. The slurry coating device for lithium battery production according to claim 1, wherein: the diameter ratio of the friction wheel I (204) to the friction wheel II (306) is 1:1, a step of; the diameter ratio of the pulley I (207) to the pulley II (208) is 1:1, a step of; the diameter ratio of the pulley III (316) to the pulley IV (317) is 1:6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210692964.1A CN114985191B (en) | 2022-06-17 | 2022-06-17 | Slurry coating device for lithium battery production |
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| CN202210692964.1A CN114985191B (en) | 2022-06-17 | 2022-06-17 | Slurry coating device for lithium battery production |
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| CN114985191A CN114985191A (en) | 2022-09-02 |
| CN114985191B true CN114985191B (en) | 2023-06-20 |
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| CN113510035A (en) * | 2021-04-27 | 2021-10-19 | 孔勇 | Lithium battery production equipment |
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| JPH1159836A (en) * | 1997-08-25 | 1999-03-02 | Megumi Fukui | Wear preventing device for roll |
| CN215964428U (en) * | 2021-07-14 | 2022-03-08 | 上海室界室内装饰设计有限公司 | Plate gluing device for decoration |
| CN215088420U (en) * | 2021-07-16 | 2021-12-10 | 东莞市航达电子有限公司 | Surface coating device for lithium battery adhesive tape processing |
| CN216440970U (en) * | 2021-09-29 | 2022-05-06 | 合肥国轩高科动力能源有限公司 | Lithium battery pole piece coating device |
| CN114560191B (en) * | 2022-03-02 | 2024-02-09 | 南宁帝旺村木业有限公司 | Composite bamboo floor for container |
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| CN113510035A (en) * | 2021-04-27 | 2021-10-19 | 孔勇 | Lithium battery production equipment |
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