CN110586421A - Pole piece coating device for lithium battery production - Google Patents
Pole piece coating device for lithium battery production Download PDFInfo
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- CN110586421A CN110586421A CN201910883907.XA CN201910883907A CN110586421A CN 110586421 A CN110586421 A CN 110586421A CN 201910883907 A CN201910883907 A CN 201910883907A CN 110586421 A CN110586421 A CN 110586421A
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- mounting plate
- mounting
- pole piece
- plate
- side wall
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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
- B05C1/0826—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 the work being a web or sheets
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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
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/044—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for holding the blades
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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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- 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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
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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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a pole piece coating device for lithium battery production, which comprises a base, wherein a first mounting plate and a second mounting plate are fixedly connected to the upper end of the base in parallel, a first support frame is fixedly connected to the upper end of the side wall of the first mounting plate, a loosening drum is fixedly mounted on the first support frame, a vertically arranged fixing plate is fixedly connected to the upper ends of the first mounting plate and the second mounting plate together, a first tensioning roller and a second tensioning roller which are matched with the loosening drum for use are arranged on the side wall of the fixing plate, two first motors are further mounted on the side wall of the fixing plate, and output rods of the two first motors penetrate through to the other side of the fixing plate and are sleeved with a coating roller. The invention can ensure that the slurry on the two sides of the pole piece material is coated more uniformly, can control the coating thickness of the pole piece slurry and has convenient operation; the drying and shaping effects of the pole piece slurry are good, and the quality of the lithium battery produced subsequently can be better.
Description
Technical Field
The invention relates to the technical field of lithium battery production, in particular to a pole piece coating device for lithium battery production.
Background
With the development of science and technology, new materials with excellent performance and special properties become the breakthrough point of energy development, and lithium batteries are representative products combining new materials with energy development. The lithium battery has the functions of energy storage and output buffering due to the characteristics of the material of the lithium battery, and the characteristics of safety, stability and environmental protection of the lithium battery are more suitable for the current development concept. In recent years, the preparation of lithium batteries is more and more emphasized, and the yield of the lithium batteries is increased year by year.
In the production process of lithium batteries, positive electrode slurry is coated on an aluminum foil and dried to form a positive electrode plate, and negative electrode slurry is coated on a copper foil and dried to form a negative electrode plate. However, when the conventional coating machine is used for producing the lithium battery pole piece, the slurry can be coated on both surfaces of the pole piece material, the slurry cannot be uniformly coated, the coating thickness of the slurry cannot be controlled, and the factors easily influence the quality of the lithium battery.
Therefore, we propose a pole piece coating device for lithium battery production.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a pole piece coating device for lithium battery production.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a lithium cell production is with pole piece coating unit, includes the base, the parallel rigid coupling in base upper end has first mounting panel and second mounting panel, first mounting panel lateral wall upper end fixedly connected with first support frame, fixed mounting has the pine reel on the first support frame, the common rigid coupling in first mounting panel and second mounting panel upper end has the fixed plate of vertical setting, be equipped with first straining roller and the second straining roller that cooperation pine reel used on the fixed plate lateral wall, still install two first motors on the fixed plate lateral wall, two the output pole of first motor all runs through to the opposite side of fixed plate and overlaps and is equipped with a coating roll, symmetrical rigid coupling has two slurry grooves that cooperate the coating roll to use on first mounting panel and the second mounting panel, and the lower extreme of two coating rolls all corresponds the submergence in slurry groove, still be equipped with in proper order from last to down between first mounting panel and the second mounting panel and scribble the mechanism, Scraping mechanism and stoving mechanism, the base upper end still is equipped with guide roll and winding mechanism.
In the above-mentioned pole piece coating device for lithium battery production, the uniform coating mechanism comprises a sliding plate slidably connected on the side wall of the first mounting plate, the side wall of the sliding plate is fixedly connected with a mounting frame, the mounting frame is rotatably connected with two uniform coating rollers, the side wall of one end of the sliding plate away from the mounting frame is vertically welded with a fixed shaft, one end of the fixed shaft away from the sliding plate penetrates through the other side of the first mounting plate and is welded with a horizontally arranged transmission seat, the side wall of the transmission seat is provided with a chute, the inside of the chute is slidably connected with a transmission shaft, the outer side wall of the first mounting plate is also fixedly connected with a second support frame, the second support frame is fixedly connected with a rotation seat, the side wall of the rotation seat is rotatably connected with a rotation rod, one end of the rotation rod away from the rotation seat is fixedly, and the length of spout is no less than the twice distance of transmission shaft to the carousel centre of a circle, still fixed mounting has the second motor on the second support frame, all overlap on the output pole of dwang and second motor and be equipped with a first synchronizing wheel, two the common meshing has first synchronous belt between the first synchronizing wheel, set up the slide rail that cooperation sliding plate used and the sliding hole that cooperation fixed axle used on the first mounting panel lateral wall.
In the pole piece coating device for producing the lithium battery, the scraping mechanism comprises two bearings which are symmetrically and fixedly arranged on the side walls of the first mounting plate and the second mounting plate in a penetrating way, the inner rings of the two bearings are fixedly sleeved with a rotating pipe, the inner walls of the two rotating pipes are provided with internal threads, and a movable rod is sleeved in the two rotating pipes in a penetrating way through threads, the side wall of one end of each movable rod between the first mounting plate and the second mounting plate is provided with a limit groove, the side walls of the first mounting plate and the second mounting plate are fixedly connected with L-shaped limiting rods used for matching with the limiting grooves, one ends of the two movable rods positioned between the first mounting plate and the second mounting plate are symmetrically and fixedly connected with two scraping shovels, and the upper ends of the two scraping shovels are welded with scraping blades, and the outer part of one end of the rotating pipe far away from the scraping shovels is fixedly sleeved with a rotating handle.
In foretell pole piece coating device for lithium cell production, stoving mechanism includes the stoving case of common rigid coupling between first mounting panel and second mounting panel, the through-hole has all been seted up at both ends about the stoving case, fixed mounting has the air heater on the lateral wall of first mounting panel, the play tuber pipe of air heater runs through the inside that extends to the stoving case.
In foretell pole piece coating device for lithium cell production, winding mechanism includes wind-up roll and the third motor of fixed mounting in the base upper end, all fixed cover is equipped with a second synchronizing wheel, two on the roller of wind-up roll and the output shaft of third motor the common meshing has the second hold-in range between the second synchronizing wheel.
In the pole piece coating device for lithium battery production, an arc wind shield is further fixedly connected to the inner top wall of one end, close to the air outlet pipe of the air heater, in the drying box.
The invention has the advantages that:
1. two sides of the pole piece material are coated simultaneously by two coating rollers with the lower ends immersed in the slurry groove, and then the rotary table is driven by a second motor to rotate to drive the transmission shaft to transmit, so that the sliding plate integrally slides up and down along the side wall of the first mounting plate, and the slurry coated on the two sides of the pole piece material is uniformly coated by the two uniform coating rollers moving up and down, and the slurry coating on the two sides of the pole piece material is more uniform in the pole piece production process;
2. the rotating handle is arranged to drive the rotating pipe to rotate, and the movable rod which is connected with the rotating pipe in a threaded manner and limited is driven to move left and right to adjust the distance between the two scraping shovels and the two scraping blades and the two sides of the pole piece material; the scraping blades can scrape the slurry with excessive thickness on the pole piece material by controlling the distance between the two scraping shovels and the two scraping blades and the two sides of the pole piece material, so that the coating thickness of the pole piece slurry is controlled; the redundant slurry scraped by the scraping blade can fall into the scraping shovel and be recycled, so that the material is saved;
3. the drying box with uniform heat is used for drying and shaping the slurry coated on the pole piece material, and the drying box is used for rolling after drying, so that the product quality of subsequent production can be better.
Drawings
FIG. 1 is a schematic structural diagram of a pole piece coating apparatus for lithium battery production according to the present invention;
FIG. 2 is an enlarged view of the structure of part A in FIG. 1;
FIG. 3 is a structural side view of a driving seat portion of a pole piece coating apparatus for lithium battery production according to the present invention;
FIG. 4 is a schematic structural diagram of an inner side wall of a first mounting plate in a pole piece coating device for lithium battery production according to the present invention;
fig. 5 is a schematic structural diagram of a scraping mechanism portion in a pole piece coating device for lithium battery production according to the present invention.
In the figure: the automatic coating machine comprises a base 1, a first mounting plate 2, a second mounting plate 3, a first support frame 4, a loosening drum 5, a fixing plate 6, a first tensioning roller 7, a second tensioning roller 8, a coating roller 9, a slurry tank 10, a sliding plate 11, a mounting frame 12, a coating roller 13, a fixing shaft 14, a transmission seat 15, a sliding chute 16, a transmission shaft 17, a second support frame 18, a rotating seat 19, a rotating rod 20, a rotating disk 21, a second motor 22, a first synchronous belt 23, a sliding rail 24, a sliding hole 25, a bearing 26, a rotating pipe 27, a movable rod 28, a limiting rod 29L-shaped rod 30, a scraping shovel 31, a scraping blade 31, a rotating handle 32, a drying box 33, a hot air blower 34, a guide roller 35, a winding roller 36, a third motor 37, a second synchronous belt 38 and an arc-shaped air baffle 39.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-5, a pole piece coating device for lithium battery production comprises a base 1, wherein a first mounting plate 2 and a second mounting plate 3 are fixedly connected to the upper end of the base 1 in parallel, a first support frame 4 is fixedly connected to the upper end of the side wall of the first mounting plate 2, a loosening drum 5 is fixedly mounted on the first support frame 4, a vertically arranged fixing plate 6 is fixedly connected to the upper ends of the first mounting plate 2 and the second mounting plate 3 together, a first tensioning roller 7 and a second tensioning roller 8 which are matched with the loosening drum 5 and used are arranged on the side wall of the fixing plate 6, two first motors are further mounted on the side wall of the fixing plate 6, output rods of the two first motors penetrate through the other side of the fixing plate 6 and are sleeved with a coating roller 9, two slurry tanks 10 which are matched with the coating rollers 9 and used are symmetrically and fixedly connected to the first mounting plate 2 and the second mounting plate 3, and the lower, and a coating mechanism, a scraping mechanism and a drying mechanism are sequentially arranged between the first mounting plate 2 and the second mounting plate 3 from top to bottom.
The coating mechanism comprises a sliding plate 11, a mounting frame 12, a coating roller 13, a fixed shaft 14, a transmission seat 15, a sliding chute 16, a transmission shaft 17, a second support frame 18, a rotating seat 19, a rotating rod 20, a rotating disk 21, a second motor 22, a first synchronous wheel, a first synchronous belt 23, a sliding rail 24 and a sliding hole 25, the sliding plate 11 is connected on the side wall of the first mounting plate 2 in a sliding manner, the mounting frame 12 is fixedly connected on the side wall of the sliding plate 11, two coating rollers 13 are connected on the mounting frame 12 in a rotating manner, the fixed shaft 14 is vertically welded on the side wall of one end of the sliding plate 11 far away from the mounting frame 12, the end of the fixed shaft 14 far away from the sliding plate 11 penetrates through the other side of the first mounting plate 2 and is welded with the transmission seat 15 which is horizontally arranged, the sliding chute 16 is arranged on the side wall of the transmission seat 15, second support frame 18 goes up the rigid coupling has rotation seat 19, it is connected with a dwang 20 to rotate on the rotation seat 19 lateral wall, dwang 20 keeps away from the fixed carousel 21 that has cup jointed of one end of rotation seat 19, the one end fixed connection that spout 16 was kept away from to transmission shaft 17 is on the surface of carousel 21, and the length of spout 16 is not less than the twice distance of transmission shaft 17 to the carousel 21 centre of a circle, make transmission shaft 17 receive the edge that can not receive spout 16 when spout 21 transmission slides back and forth along spout 16 and support and establish, guarantee that the transmission is respond well, still fixed mounting has second motor 22 on the second support frame 18, all overlap on the output pole of dwang 20 and second motor 22 and be equipped with a first synchronizing wheel, two first synchronizing wheels mesh jointly has first synchronous belt 23, set up the slide rail 24 that cooperation sliding plate 11 used and the sliding hole 25 that cooperation fixed axle 14.
The scraping mechanism comprises bearings 26, rotating pipes 27, movable rods 28, limiting grooves, L-shaped limiting rods 29, scraping shovels 30, scraping blades 31 and rotating handles 32, wherein the two bearings 26 are symmetrically and fixedly arranged on the side walls of the first mounting plate 2 and the second mounting plate 3 in a penetrating manner, the inner rings of the two bearings 26 are fixedly sleeved with one rotating pipe 27, the inner walls of the two rotating pipes 27 are provided with internal threads, the movable rods 28 are sleeved in the two rotating pipes 27 in a penetrating manner, the limiting grooves are respectively arranged on the side wall of one end of each movable rod 28 between the first mounting plate 2 and the second mounting plate 3, the L-shaped limiting rods 29 matched with the limiting grooves are fixedly connected on the side walls of the first mounting plate 2 and the second mounting plate 3, the two scraping shovels 30 are symmetrically and fixedly connected at one end of the two movable rods 28 between the first mounting plate 2 and the second mounting plate 3, and the scraping blades 31 are welded at the upper ends of the two scraping shovels 30, the two rotating pipes 27 are fixedly sleeved with a rotating handle 32 at one end away from the scraper shovel 30.
The drying mechanism comprises a drying box 33, through holes and an air heater 34, the drying box 33 is fixedly connected between the first mounting plate 2 and the second mounting plate 3, the through holes are formed in the upper end and the lower end of the drying box 33, the air heater 34 is fixedly mounted on the outer side wall of the first mounting plate 2, the air heater 34 adopts an SHY-DR-1220-BX-801 type air heater, an air outlet pipe of the air heater 34 penetrates through and extends into the drying box 33, an arc-shaped air baffle 39 is fixedly connected to the inner top wall of one end, close to the air outlet pipe of the air heater 34, in the drying box 33, hot air of the air heater 34 is prevented from directly blowing to slurry coated on the surface of a pole piece, and the thickness of the slurry is changed to cause uneven coating.
The upper end of the base 1 is also provided with a guide roller 35 and a winding mechanism, the winding mechanism comprises a winding roller 36 and a third motor 37 which are fixedly installed at the upper end of the base 1, a second synchronous wheel is fixedly sleeved on a roller shaft of the winding roller 36 and an output rod of the third motor 37, and a second synchronous belt 38 is meshed between the two second synchronous wheels.
When the pole piece material winding device is used, the pole piece material is discharged from the loose winding drum 4, sequentially bypasses the first tensioning roller 7 and the second tensioning roller 8, vertically extends downwards from the middle of the two coating rollers 9, sequentially passes through the middle of the two coating rollers 13 and the two scraping shovels 30, passes through holes in the upper surface and the lower surface of the drying box 33, bypasses the guide roller 35 and is wound by the winding roller 36;
the two first motors are driven to drive the two coating rollers 9 to rotate reversely, and because the lower ends of the two coating rollers 9 are immersed in the slurry tank 10, the two coating rollers 9 rotate to enable the coating rollers 9 to be dipped with slurry and coat two sides of the pole piece material; the second motor 22 is driven to rotate, the rotating rod 20 and the rotating disc 21 are driven to rotate under the action of the first synchronizing wheel and the first synchronizing belt 23, the rotating disc 21 rotates to drive the transmission shaft 17 to slide back and forth along the sliding groove 16 on the surface of the transmission seat 15, and the transmission shaft 17 pushes and pulls the transmission seat 15 and the fixed shaft 14 welded on the back of the transmission seat 15 while sliding back and forth along the sliding groove 16, so that the fixed shaft 14 slides up and down along the sliding hole 25 on the side wall of the first mounting plate 2, the sliding plate 11 is driven to slide up and down integrally along the sliding rail 24 on the side wall of the first mounting plate 2, and the two coating rollers 13 on the mounting frame 12 can move up and down to coat the slurry just coated on the two;
when slurry on the pole piece material is uniformly coated and passes through the middle of the two scraping shovels 30, the rotating pipe 27 is driven to rotate at the inner ring of the bearing 26 by rotating the rotating handle 32, the movable rod 28 is in threaded connection with the rotating pipe 27, and the side wall of the movable rod 28 is limited by the L-shaped limiting rod 29, so that the movable rod 28 can move left and right along the rotating pipe 27 when the rotating pipe 27 rotates, the distance between the two scraping shovels 30 and the scraping blade 31 and the two sides of the pole piece material can be adjusted, and the scraping blade 31 can scrape the slurry with excessive thickness on the pole piece material by controlling the distance between the two scraping shovels 30 and the scraping blade 31 and the two sides of the pole piece material; the scraped excessive slurry can fall into the scraping shovel 30 and can be recycled; and then, the hot air heater 34 is opened to heat the drying box 33, the slurry on the pole piece material passing through the drying box 33 is dried, and the third motor 37 is driven to drive the roller shaft of the winding roller 36 to rotate under the action of the second synchronous wheel and the second synchronous belt 38, so that the winding roller 36 winds the dried pole piece.
Although terms such as the base 1, the first mounting plate 2, the second mounting plate 3, the first support frame 4, the unwinding roll 5, the fixing plate 6, the first take-up roll 7, the second take-up roll 8, the coating roll 9, the slurry tank 10, the sliding plate 11, the mounting frame 12, the coating roll 13, the fixing shaft 14, the driving seat 15, the chute 16, the transmission shaft 17, the second support frame 18, the rotating seat 19, the rotating rod 20, the rotating disk 21, the second motor 22, the first synchronous belt 23, the sliding rail 24, the sliding hole 25, the bearing 26, the rotating pipe 27, the movable rod 28, the L-shaped stopper rod 29, the scraping blade 30, the scraping blade 31, the rotating handle 32, the drying box 33, the hot air blower 34, the guide roll 35, the winding roll 36, the third motor 37, the second synchronous belt 38, the arc-shaped wind shield 39, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (6)
1. The utility model provides a pole piece coating unit for lithium cell production, includes base (1), its characterized in that, the parallel rigid coupling in base upper end has first mounting panel (2) and second mounting panel (3), first mounting panel (2) lateral wall upper end fixedly connected with first support frame (4), fixed mounting has pine reel (5) on first support frame (4), the common rigid coupling in first mounting panel (2) and second mounting panel (3) upper end has fixed plate (6) of vertical setting, be equipped with first taut roller (7) and the taut roller of second (8) that cooperation pine reel (5) used on fixed plate (6) lateral wall, still install two first motors on fixed plate (6) lateral wall, two the output pole of first motor all runs through to the opposite side of fixed plate (6) and overlaps and is equipped with one coating roll (9), the symmetry rigid coupling has two cooperation coating rolls (9) to use on first mounting panel (2) and second mounting panel (3) Slurry tank (10), and the lower extreme of two coating rolls (9) all corresponds the submergence in slurry tank (10), still be equipped with from last to down between first mounting panel (2) and second mounting panel (3) and scribble even mechanism, scrape material mechanism and stoving mechanism in proper order, base (1) upper end still is equipped with guide roll (35) and winding mechanism.
2. The pole piece coating device for producing the lithium battery as claimed in claim 1, wherein the leveling mechanism comprises a sliding plate (11) slidably connected to the side wall of the first mounting plate (2), the side wall of the sliding plate (11) is fixedly connected with a mounting frame (12), the mounting frame (12) is rotatably connected with two leveling rollers (13), a fixed shaft (14) is perpendicularly welded to the side wall of one end of the sliding plate (11) far away from the mounting frame (12), one end of the fixed shaft (14) far away from the sliding plate (11) penetrates through the other side of the first mounting plate (2) and is welded with a horizontally arranged transmission seat (15), a sliding groove (16) is formed in the side wall of the transmission seat (15), a transmission shaft (17) is slidably connected in the sliding groove (16), and a second support frame (18) is fixedly connected to the outer side wall of the first mounting plate (2), a rotating seat (19) is fixedly connected on the second supporting frame (18), a rotating rod (20) is rotatably connected on the side wall of the rotating seat (19), a turntable (21) is fixedly sleeved at one end of the rotating rod (20) far away from the rotating seat (19), one end of the transmission shaft (17) far away from the sliding groove (16) is fixedly connected to the surface of the turntable (21), and the length of the sliding chute (16) is not less than twice of the distance from the transmission shaft (17) to the circle center of the turntable (21), a second motor (22) is also fixedly arranged on the second supporting frame (18), a first synchronous wheel is sleeved on the rotating rod (20) and the output rod of the second motor (22), a first synchronous belt (23) is meshed between the two first synchronous wheels, the side wall of the first mounting plate (2) is provided with a sliding rail (24) matched with the sliding plate (11) for use and a sliding hole (25) matched with the fixed shaft (14) for use.
3. The pole piece coating device for producing the lithium battery as claimed in claim 1, wherein the scraping mechanism comprises two bearings (26) symmetrically penetrating through the fixed mounting on the side walls of the first mounting plate (2) and the second mounting plate (3), two rotating pipes (27) are respectively fixedly sleeved on the inner rings of the bearings (26), two inner walls of the rotating pipes (27) are respectively provided with an internal thread, a movable rod (28) is sleeved on the inner part of each rotating pipe (27) through the thread, two limit grooves are respectively formed on the side wall of one end of each movable rod (28) between the first mounting plate (2) and the second mounting plate (3), L-shaped limit rods (29) used by matching the limit grooves are fixedly connected on the side walls of the first mounting plate (2) and the second mounting plate (3), two symmetrical fixedly connected ends of the movable rods (28) between the first mounting plate (2) and the second mounting plate (3) are provided with two scraping shovels (30) And scraping blades (31) are welded at the upper ends of the two scraping shovels (30), and a rotating handle (32) is fixedly sleeved outside one end, far away from the scraping shovels (30), of the rotating pipe (27).
4. The pole piece coating device for producing the lithium battery as claimed in claim 1, wherein the drying mechanism comprises a drying box (33) fixedly connected between the first mounting plate (2) and the second mounting plate (3), through holes are formed in both the upper end and the lower end of the drying box (33), a hot air blower (34) is fixedly mounted on the outer side wall of the first mounting plate (2), and an air outlet pipe of the hot air blower (34) penetrates and extends into the drying box (33).
5. The pole piece coating device for producing the lithium battery as claimed in claim 1, wherein the winding mechanism comprises a winding roller (36) and a third motor (37) fixedly mounted on the upper end of the base (1), a second synchronous wheel is fixedly sleeved on each of a roller shaft of the winding roller (36) and an output rod of the third motor (37), and a second synchronous belt (38) is meshed between the two second synchronous wheels.
6. The coating device for the pole pieces used for the production of the lithium battery as claimed in claim 4, wherein an arc wind shield (39) is further fixedly connected to the inner top wall of one end of the drying box (33) close to the air outlet pipe of the hot air blower (34).
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| CN201910883907.XA CN110586421A (en) | 2019-09-18 | 2019-09-18 | Pole piece coating device for lithium battery production |
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| CN201910883907.XA CN110586421A (en) | 2019-09-18 | 2019-09-18 | Pole piece coating device for lithium battery production |
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| CN110586421A true CN110586421A (en) | 2019-12-20 |
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| CN110986545A (en) * | 2019-12-28 | 2020-04-10 | 东莞理工学院 | Pole piece drying device for lithium battery production |
| CN111559662A (en) * | 2020-05-21 | 2020-08-21 | 左慧玲 | Cloth coiling mechanism is used in weaving |
| CN112076943A (en) * | 2020-09-23 | 2020-12-15 | 陈青山 | Coating device and coating method for graphene lithium battery pole piece |
| CN112170117A (en) * | 2020-09-29 | 2021-01-05 | 罗森聪 | Improve lithium cell negative pole preparation auxiliary device of coating precision |
| CN112691841A (en) * | 2020-12-16 | 2021-04-23 | 瓮梅 | Zinc ion battery pole piece coating device for green battery production |
| CN113695177A (en) * | 2021-10-29 | 2021-11-26 | 苏州睿锂物联科技有限公司 | Lithium cell silicon-based film negative plate preparation facilities |
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| CN118060134A (en) * | 2024-04-19 | 2024-05-24 | 广州倬粤电能科技有限公司 | Synchronous slurry hanging equipment for multiple groups of battery pieces in battery production |
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Application publication date: 20191220 |