CN116093265A - Carbon coating equipment and using method thereof - Google Patents
Carbon coating equipment and using method thereof Download PDFInfo
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- CN116093265A CN116093265A CN202310117172.6A CN202310117172A CN116093265A CN 116093265 A CN116093265 A CN 116093265A CN 202310117172 A CN202310117172 A CN 202310117172A CN 116093265 A CN116093265 A CN 116093265A
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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
- 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
- B05C1/0821—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 driving means for rollers or 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
- 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
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
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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
- B05D3/02—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 baking
- B05D3/0254—After-treatment
- B05D3/0272—After-treatment with ovens
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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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- 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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/663—Selection of materials containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
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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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
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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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- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Coating Apparatus (AREA)
Abstract
The invention provides a carbon coating device and a using method thereof, wherein the carbon coating device comprises: discharging material level; the unreeling mechanism is fixed on the discharging side of the unreeling position and comprises an unreeling shaft, an unreeling driving system, an unreeling floating roller system and an unreeling deviation correcting system, the battery foil is sleeved on the unreeling shaft, the unreeling driving system is in transmission connection with the unreeling shaft to realize unreeling, the unreeling floating roller system is used for adjusting the tension of the battery foil, and the unreeling deviation correcting system is used for correcting the battery foil; a pulling mechanism; the positive coating mechanism is arranged on the discharging side of the drawing mechanism and is used for coating the front surface of the battery foil; a first tier oven mechanism; the back coating mechanism is arranged on the discharging side of the first layer oven mechanism and is used for coating the back surface of the battery foil; a second tier oven mechanism; a pulling mechanism; and the winding mechanism is arranged on the discharging side of the drawing mechanism and is used for winding the battery foil. The carbon coating equipment has complete working procedures, improves the production efficiency and enhances the field head-to-tail control.
Description
Technical Field
The invention relates to the technical field of carbon coating equipment, in particular to carbon coating equipment and a using method thereof.
Background
Currently, battery foil is one of important structures in lithium batteries, and the processing of the battery foil is to process the surface of the battery foil to obtain a battery foil finished product so as to adapt to different lithium battery structures.
In the existing battery foil carbon coating process, a coil is installed on a sleeve coil of a rolling mill through a feeding device, and uncoiling is achieved by traction. And conveying the battery foil to a carbon coating part through a feeding device for carbon coating treatment, and drying through a drying device after carbon coating is finished, so that the finished battery foil is output. Therefore, the integration of the primary slitting and coating machine into the novel equipment is a one-time breakthrough technological innovation, and the middle part of the novel equipment needs to pass through a rolling mill, large slitting and rewinding corona from the woolen to the finished product. The middle link is necessary to be provided with manpower, equipment and material consumption; material consumption such as collision can also occur in the material transferring process; new energy is generated, the supply and shortage of the aluminum foil of the battery are required, and the optimization and the improvement of the productivity are urgent.
Therefore, the existing production procedures are numerous, manpower and material resources are wasted, and the production efficiency is low.
Disclosure of Invention
The embodiment of the invention provides a carbon coating device and a using method thereof, which are used for solving the problems of a plurality of working procedures, waste of manpower and material resources and low production efficiency of the conventional battery foil carbon coating production.
The embodiment of the invention provides carbon coating equipment, which comprises:
a discharge level for placing a roll of battery foil;
the unreeling mechanism is fixed on one side of the unreeling position and comprises an unreeling shaft, an unreeling driving system, an unreeling floating roller system and an unreeling deviation correcting system, the unreeling shaft is sleeved with the battery foil, the unreeling driving system is in transmission connection with the unreeling shaft and is used for driving the unreeling shaft to rotate so as to realize unreeling, the unreeling floating roller system is used for controlling the tension of the battery foil when the unreeling shaft unreels so as to adjust the tension of the battery foil, and the unreeling deviation correcting system is used for controlling the unreeling shaft so as to correct the conveying path of the battery foil;
the feeding and pulling mechanism is connected with the discharging side of the unreeling mechanism and is used for pulling the unreeled battery foil;
the positive coating mechanism is arranged on the discharging side of the drawing mechanism and is used for coating the front surface of the battery foil;
the first layer of oven mechanism is arranged on the discharging side of the front coating mechanism and is used for drying the battery foil coated on the front surface;
the back coating mechanism is arranged on the discharging side of the first layer oven mechanism and is used for coating the back surface of the battery foil;
the second-layer oven mechanism is arranged at the discharging side of the back coating mechanism and is used for drying the battery foil coated on the back surface;
the pulling mechanism is arranged on the discharging side of the second-layer oven mechanism and is used for pulling the battery foil to discharge;
the winding mechanism is arranged at the discharging side of the drawing mechanism and is used for winding the battery foil and the battery foil,
the frame is used for installing and fixing the discharging position, the unreeling mechanism, the feeding and pulling mechanism, the forward coating mechanism, the first layer oven mechanism, the reverse coating mechanism, the second layer oven mechanism, the discharging and pulling mechanism and the reeling mechanism.
Preferably, the unreeling driving system comprises a driving motor installed on the frame and a speed reducer in transmission connection with the driving motor, wherein the shaft outlet end of the speed reducer is fixedly connected with one end of the unreeling shaft, and the calculation formula of the reeling diameter of the unreeling mechanism is as follows:
D＝(v*i*60)/n*π；
wherein V is the starting linear speed m/s of the unreeling shaft; i is the reduction ratio of the gearbox of the speed reducer; n is the motor rotation speed rpm of the driving motor; d is the coil diameter of the unreeling shaft;
and compensating by using a roll diameter compensation formula, wherein the roll diameter compensation formula is as follows:
D2＝D±2kh；
wherein h is the thickness of the coiled material; k is the number of coils unreeled or reeled in the calculation period; d2 is the total roll diameter of the material roll sleeved on the unreeling shaft; d2=d-2 kh when uncoiling and d2=d+2 kh when coiling.
Preferably, the carbon coating equipment further comprises a feeding frame device and a corona degreasing device which are respectively arranged on the frame, one end of the feeding frame device is connected with the unreeling mechanism, the other end of the feeding frame device is connected with the corona degreasing device, and the feeding frame device is used for realizing real-time detection of the tension of the battery foil and feedback adjustment of the unreeling speed; and the corona degreasing device performs corona treatment on the surface of the battery foil.
Preferably, the corona degreasing device comprises a servo driver, a motor and a corona roller which are respectively fixed on the frame, wherein the servo driver is in signal connection with the motor, the output end of the motor is fixedly connected with the corona roller, and the servo driver drives the motor to control the corona roller to rotate so as to perform corona treatment on the battery foil passing through the corona roller.
Preferably, the pulling mechanism is located at the discharging side of the unreeling mechanism, and comprises pulling rollers fixed on the frame and pulling driving mechanisms for driving the pulling rollers to move, and the pulling rollers are used for pulling the battery foil.
Preferably, the forward coating mechanism comprises a forward coating roller, a forward coating roller driving system, a forward coating press roller and a forward coating press roller driving system which are respectively arranged on the frame, the forward coating roller and the forward coating press roller are correspondingly arranged up and down, the forward coating roller driving system is used for driving the forward coating roller to rotate, and the forward coating press roller driving system drives the forward coating press roller to descend so as to compress the battery foil forward coating.
Preferably, the first layer oven mechanism comprises a first driving roller, a first driving system and a first drying system which are respectively fixed on the frame; the first driving system drives the first driving roller to rotate, and the first driving roller drives the battery foil to pass through the inside of the first drying system so as to realize the drying treatment of the battery foil;
the second-layer oven mechanism comprises a second driving roller, a second driving system and a second drying system which are respectively arranged on the frame, the second driving system drives the second driving roller to rotate, and the second driving roller drives the battery foil to pass through the inside of the second drying system so as to realize the drying treatment of the battery foil.
Preferably, the back coating mechanism comprises a back coating roller, a back coating roller driving system, a back coating deviation correcting system, a back coating press roller and a back coating press roller driving system which are respectively arranged on the frame; the back coating press roll and the back coating roll are arranged up and down oppositely or are positioned at one side of the horizontal position of the back coating roll; the back coating roller driving system is in transmission connection with the back coating roller and is used for driving the back coating roller to run; the back coating press roller driving system is in transmission connection with the back coating press roller and is used for driving the back coating press roller to operate, and the back coating deviation correcting system is used for correcting the battery foil so that the back coating position of the battery foil is opposite to the front coating position of the battery foil.
Preferably, the pulling mechanism comprises a pulling roller, a pulling driving system and a pulling pressing roller which are respectively arranged on the frame; the drawing roller and the drawing roller are correspondingly arranged up and down, and the drawing driving system is in transmission connection with the drawing roller and is used for driving the drawing roller to move so as to realize drawing of the battery foil discharged from the second-layer oven mechanism.
Preferably, the winding mechanism is respectively arranged on the rack and comprises a winding shaft, a winding driving system, a winding floating roller system and a winding deviation correcting system; the winding driving system is in transmission connection with the winding shaft and is used for driving the winding shaft to rotate, and the winding floating roller system is arranged on the feeding side of the winding shaft and is used for controlling the tension of the battery foil when the winding shaft is wound so as to adjust the tension of the battery foil; the winding deviation correcting system is used for correcting deviation of the conveying path of the battery foil discharged by the discharging and pulling mechanism.
In a second aspect, an embodiment of the present invention provides a method for using a carbon-coating apparatus, the method including the steps of:
step S1, connecting the unreeling mechanism with a large sleeve material roll;
s2, carrying out corona treatment on the surface of the battery foil discharged by the unreeling mechanism through the corona degreasing device;
step S3, providing stable speed through the pulling mechanism to pull the battery foil to move;
s4, realizing front coating treatment on the battery foil through the front coating mechanism;
s5, drying the battery foil through the first layer oven mechanism;
s6, carrying out reverse coating treatment on the battery foil through the reverse coating mechanism;
step S7, drying the battery foil through the second-layer oven mechanism;
and S8, pulling the battery foil to the winding mechanism through the pulling mechanism to wind a finished product.
Compared with the prior art, the equipment can reduce the investment of auxiliary equipment and optimize personnel configuration; thus, one-stop management and control of finished products is realized, the personnel management accuracy is improved, and the link trouble is reduced for the later quality tracing; the carrying and cross operation work of aluminum foil materials are reduced, and the on-site production management is facilitated; intermediate processing procedures are reduced, so that the productivity of the aluminum foil of the battery is improved, and raw materials are provided for the new energy industry of energy conservation and emission reduction.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a carbon coating device according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method of using a carbon coating device according to an embodiment of the present invention.
In the figure, 100 parts of carbon coating equipment, 1 part of material placing position, 2 parts of unreeling mechanism, 3 parts of material feeding and pulling mechanism, 4 parts of positive coating mechanism, 5 parts of first layer oven mechanism, 6 parts of reverse coating mechanism, 7 parts of second layer oven mechanism, 8 parts of material discharging and pulling mechanism, 9 parts of reeling mechanism, 10 parts of material feeding frame device, 11 parts of battery foil, 12 parts of frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, other embodiments of each pedestrian that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of the present invention.
The terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the drawings are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or drawings are used for distinguishing between different objects and not for describing a particular sequential order. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
As shown in fig. 1, an embodiment of the present invention provides a carbon coating apparatus 100, the carbon coating apparatus 100 including:
a discharge level 1 for placing a roll of battery foil 11.
Unreeling mechanism 2, unreeling mechanism 2 is fixed in one side of unreeling material level 1, unreeling mechanism 2 includes unreel axle, unreel actuating system, unreels floating roll system and unreels rectifying system, the material of battery foil 11 is overlapped and is located unreel axle, unreel actuating system with unreel axle transmission is connected and is used for the drive unreel axle rotates in order to realize unreeling, unreel floating roll system is used for control unreel the time of reel unreel to the rate of tension of battery foil 11 is in order to adjust the tension of battery foil 11, unreel rectifying system is used for control unreel axle in order to rectify the transfer path of battery foil 11. The unreeling driving system drives the unreeling shaft to rotate to realize the unreeling function by directly installing the unreeling shaft of the unreeling mechanism 2 on a large sleeve material roll of the rolling mill. The unreeling floating roller system and the unreeling deviation correcting system are used for adjusting errors generated during unreeling, and the unreeling effect is good. The unreeling deviation correcting system is adjusted by sensing the distance of the edge through the probe, so that the end face of the material roll is tidy.
And the pulling-in mechanism 3 is connected with the discharging side of the unreeling mechanism 2 and is used for pulling and unreeling the battery foil 11.
And the positive coating mechanism 4 is arranged on the discharging side of the drawing mechanism 3 and is used for coating the front surface of the battery foil 11. After the battery foil 11 is pulled by the pulling mechanism 3, the front surface of the battery foil 11 is coated by the positive coating mechanism 4.
The first layer oven mechanism 5 is arranged on the discharging side of the front coating mechanism 4, and is used for drying the battery foil 11 coated on the front surface. So that the fixing effect after the front surface coating of the battery foil 11 is dried is good.
And the back coating mechanism 6 is arranged on the discharging side of the first layer oven mechanism 5 and is used for coating the back surface of the battery foil 11.
And the second-layer oven mechanism 7 is arranged on the discharging side of the back coating mechanism 6 and is used for drying the battery foil 11 coated on the back surface. The first layer oven mechanism 5 and the second layer oven mechanism 7 are controlled by PiD at accurate temperatures, so that the control effect is good, and the drying is convenient.
The pulling mechanism 8 is arranged on the discharging side of the second-layer oven mechanism 7 and is used for pulling the battery foil 11 to be discharged;
the winding mechanism 9 is arranged on the discharging side of the drawing mechanism 8 and is used for winding the battery foil 11. The double-station winding and unwinding device has a pre-driving function, and can meet the requirements of automatic roll replacement and production efficiency improvement at high speed without stopping. Meanwhile, the accurate winding control can avoid the poor winding of the cabbage, so that the winding effect is better. A substrate to be rolled, such as: paper, cloth, leather, aluminum foil, plastic film, etc. are coated with a layer of glue, paint or ink, etc. with specific functions, and are rolled after being dried.
The rack 12 is used for installing and fixing the discharging position 1, the unreeling mechanism, the in-pulling mechanism 3, the forward coating mechanism 4, the first layer oven mechanism 5, the reverse coating mechanism 6, the second layer oven mechanism 7, the out-pulling mechanism 8 and the reeling mechanism 9. The support fixing effect is good, and the assembly is convenient.
Specifically, the equipment can reduce the investment of auxiliary equipment and optimize personnel configuration; thus, one-stop management and control of finished products is realized, the personnel management accuracy is improved, and the link trouble is reduced for the later quality tracing; the carrying and cross operation work of aluminum foil materials are reduced, and the on-site production management is facilitated; intermediate processing procedures are reduced, so that the productivity of the aluminum foil of the battery is improved, and raw materials are provided for the new energy industry of energy conservation and emission reduction.
In this embodiment, the unreeling driving system includes a driving motor installed on the frame 12 and a speed reducer in transmission connection with the driving motor, an output shaft of the speed reducer is fixedly connected with one end of the unreeling shaft, where a calculation formula of a reeling diameter of the unreeling mechanism 2 is as follows:
D＝(v*i*60)/n*π；
wherein V is the starting linear speed m/s of the unreeling shaft; i is the reduction ratio of the gearbox of the speed reducer; n is the motor rotation speed rpm of the driving motor; d is the diameter of the unreeling shaft; the starting line speed is also the starting speed of the whole machine or the feeding speed of the material surface.
And compensating by using a roll diameter compensation formula, wherein the roll diameter compensation formula is as follows:
D2＝D±2kh；
wherein D is the coil diameter of the previous calculation period; h is the thickness of the coiled material; k is the number of coils unreeled or reeled in the calculation period; d2 is the total roll diameter of the material roll sleeved on the unreeling shaft; d2=d-2 kh when uncoiling and d2=d+2 kh when coiling. The accurate roll diameter provides more accurate control for tension and speed control, and prevents the material roll from shaking, breaking and unreeling. High precision and good carbon coating quality.
In this embodiment, the carbon coating apparatus 100 further includes a material feeding frame device 10 and a corona degreasing device that are respectively installed on the frame 12, one end of the material feeding frame device 10 is connected to the unreeling mechanism 2, the other end of the material feeding frame device 10 is connected to the corona degreasing device, and the material feeding frame device 10 is used for implementing real-time detection of the material roll tension of the battery foil 11 and adjustment of the unreeling speed; the corona degreasing device performs corona treatment on the surface of the battery foil 11.
The inlet of the feeding frame device 10 is provided with a plate type adjusting roller, the plate type of the surface of the material roll is obtained and can be adjusted, the guide rollers are all driving rollers and are S-shaped, displacement sensors are arranged on the air floatation guide rollers, the intermediate dragging effect of unreeling and corona is realized, and meanwhile, the real-time detection of the tension on the material roll and the unreeling speed adjustment are realized.
In this embodiment, the corona degreasing device includes a servo driver, a motor and a corona roller, which are respectively fixed on the frame 12, the servo driver is in signal connection with the motor, an output end of the motor is fixedly connected with the corona roller, and the servo driver drives the motor to control the corona roller to rotate so as to perform corona treatment on the battery foil 11 passing through the corona roller. The corona roller is arranged on a frame 12 of the carbon coating equipment, the motor is connected with a 1:5 speed reducer and then connected to the corona roller through a soft link buffer, and the whole motor and the speed reducer are fixed on a housing 12 of the frame through a fixing frame. The corona degreasing device acquires accurate real-time pulse signals from the winding rubber roller through a rotary encoder, the pulse signals are input into a control cabinet PLC module, the pulse signals are processed through the PLC module and then output to 4 servo drivers, and the drivers drive a motor to control the rotation of the corona roller.
In this embodiment, the feeding mechanism 3 is located at the discharging side of the unreeling mechanism 2, and the feeding mechanism 3 includes feeding rollers fixed to the frame 12 and feeding driving mechanisms for driving the feeding rollers to move, respectively, and the feeding rollers are used for drawing the battery foil 11. The drawing force is large, and the uncoiling is convenient to realize.
In this embodiment, the forward coating mechanism 4 includes a forward coating roller, a forward coating roller driving system, a forward coating pressing roller and a forward coating pressing roller driving system that are respectively fixed on the frame 12, the forward coating roller and the forward coating pressing roller are correspondingly disposed up and down, the forward coating roller driving system is used for driving the forward coating roller to rotate, and the forward coating pressing roller driving system drives the forward coating pressing roller to descend for realizing forward coating compaction on the battery foil 11. The forward coating driving system controls the forward coating motor to operate through the signal cable so as to control the forward coating roller to rotate, and the forward coating press roller driving system controls the forward coating press roller motor to operate through the signal cable so as to control the forward coating press roller to rotate; the normal operation of the forward coating roller is to press against the forward coating roller, and the main function is to press the battery foil 11 against the forward coating roller, so that the battery foil 11 and the roller are in close contact. The battery foil 11 is coated with carbon through the forward coating roller and the forward coating pressing roller, and the carbon coating effect is good.
In this embodiment, the first layer oven mechanism 5 includes a first driving roller, a first driving system and a first drying system, which are respectively fixed to the frame 12; the first driving system drives the first driving roller to rotate; the first driving roller drives the battery foil 11 to pass through the inside of the first drying system, so that the drying treatment of the battery foil 11 is realized. The first driving system controls the driving roller motor through the signal cable, the driving roller motor controls the first driving roller through the gear synchronous belt, the first driving roller is positioned in the oven of the first drying system, and the battery foil 11 passes through the oven in and out through the first driving roller, so that the positive coating and drying treatment of the battery foil 11 is realized.
The second-layer oven mechanism 7 comprises a second driving roller, a second driving system and a second drying system which are respectively fixed on the frame 12, and the second driving system drives the second driving roller to rotate; the second driving roller drives the battery foil to pass through the inside of the second drying system, so that the drying treatment of the battery foil is realized. The second driving system controls the driving roller motor through the signal cable, the driving roller motor controls the second driving roller through the gear synchronous belt, the second driving roller is positioned in the oven of the second drying system, and the battery foil 11 passes through the oven in and out through the second driving roller, so that the battery foil 11 is reversely coated and dried.
In this embodiment, the back coating mechanism 6 includes a back coating roller fixed to the frame 12, a back coating roller driving system for driving the back coating roller, a back coating deviation correcting system, a back coating press roller, and a back coating press roller driving system for driving the back coating press roller. The back coating press roll and the back coating roll are arranged up and down oppositely or are positioned at one side of the horizontal position of the back coating roll; the back coating roller driving system is in transmission connection with the back coating roller and is used for driving the back coating roller to run; the back coating press roller driving system is in transmission connection with the back coating press roller and is used for driving the back coating press roller to operate, and the back coating deviation correcting system is used for correcting the battery foil so that the back coating position of the battery foil is opposite to the front coating position of the battery foil.
The reverse coating roller driving system controls the operation of the reverse coating motor through the signal cable so as to control the rotation of the reverse coating roller, and the reverse coating roller is controlled to operate in the same way, and the reverse coating roller is pressed against the reverse coating roller in normal operation and mainly has the effect of pressing the battery foil 11 against the roller so that the battery foil 11 is in close contact with the roller. The battery foil 11 enters the reverse coating roller after passing through the reverse coating deviation correcting device, when the battery foil 11 is deviated from left to right, the deviation correcting device detects that the deviation correcting roller is regulated after the deviation is recovered, the battery foil 11 is regulated to the target position, and the deviation correcting device consists of a deviation correcting detection sensor, a deviation correcting controller, a deviation correcting motor and a deviation correcting roller.
In this embodiment, the drawing mechanism 8 includes drawing rollers fixed to the frame 12, a drawing driving system for driving the drawing rollers, and drawing rollers. The drawing roller and the drawing roller are correspondingly arranged up and down, and the drawing driving system is in transmission connection with the drawing roller and is used for driving the drawing roller to move so as to realize drawing of the battery foil 11 discharged from the second-layer oven mechanism 7. The battery foil 11 is pulled to be wound up by the winding-up mechanism 9 through driving the pulling-out driving system. The traction driving system controls the traction motor to operate through the signal cable, the traction motor controls the traction roller to rotate, the traction roller is controlled to operate in a similar way, and the traction roller is pressed against the traction roller in normal operation and is used for pressing the battery foil 11 against the traction roller, so that the battery foil 11 is in close contact with the compression roller.
In this embodiment, the winding mechanism 9 includes winding shafts respectively fixed to the frame 12, a winding driving system for driving the winding shafts to rotate, a winding floating roller system and a winding deviation correcting system. The winding driving system is in transmission connection with the winding shaft and is used for driving the winding shaft to rotate, and the winding floating roller system is arranged on the feeding side of the winding shaft and is used for controlling the tension of the battery foil 11 when the winding shaft is wound so as to adjust the tension of the battery foil 11; for correcting the deviation of the conveying path of the battery foil 11 discharged by the discharging mechanism. The winding driving system controls the winding motor to run through the signal cable, so that the winding shaft is controlled to rotate, and the winding shaft rotation driver controls the rotation motor to control the rotation switching of the two winding shafts. Can realize when a coil of material is rolled up the back of accomplishing, rotatory switching to No. 2 rolling windings reduces auxiliary time, raises the efficiency. Before the battery foil 11 reaches the winding shaft, the winding end face is guaranteed to be smooth through a deviation correcting device, and similarly, when the battery foil 11 is deviated from left to right, the deviation correcting device detects that the deviation correcting roller is regulated at the deviation returning, the battery foil 11 is regulated to a target position, and the deviation correcting device consists of a deviation correcting detection sensor, a deviation correcting controller, a deviation correcting motor and the deviation correcting roller.
In this embodiment, the general operation flow is as follows:
1. turning on the power supply of the equipment and checking the conditions of various mechanisms of the equipment:
2. opening an equipment air source to ensure that the total air pressure of the equipment is more than 6KG/cm < 3 >;
3. confirming that the manual actions of all mechanisms are normal, threading the belt, and confirming that the threading path is normal;
4. confirming a deviation rectifying position;
5. checking the inflation condition of the winding reel, checking whether the winding diameter of the winding reel is correct, checking whether the in-out pulling roller is in an automatic state, and checking whether the blower and the heating reach the production or debugging equipment state;
6. pressing a forward or reverse coating "ready" button to bring the device in a ready state;
7. after ready is finished, the 'start' button 3S is pressed for a long time, and the equipment is subjected to tape feeding at a starting speed;
8. if the speed-up operation is needed, the equipment will walk with the setting of the acquaintance reading by long-pressing the forward coating speed-up button;
9. heating was turned on 30 minutes in advance before coating so that the oven temperature reached the stable expected requirement.
As shown in fig. 2, an embodiment of the present invention provides a method for using a carbon coating apparatus 100, the method including the steps of:
step S1, connecting the unreeling mechanism 2 with a large sleeve material roll;
s2, carrying out corona treatment on the surface of the battery foil 11 released by the unreeling mechanism 2 through the corona degreasing device;
step S3, providing stable speed through the pulling mechanism 3 to pull the battery foil 11 to move;
step S4, realizing front coating treatment on the battery foil 11 through the front coating mechanism 4;
step S5, drying the battery foil 11 through the first layer oven mechanism 5;
step S6, carrying out reverse coating treatment on the battery foil 11 through the reverse coating mechanism 6;
step S7, drying the battery foil 11 through the second-layer oven mechanism 7;
and S8, pulling the battery foil 11 to the winding mechanism 9 through the pulling mechanism 8 to wind a finished product.
The equipment can reduce the investment of auxiliary equipment and optimize personnel configuration; thus, one-stop management and control of finished products is realized, the personnel management accuracy is improved, and the link trouble is reduced for the later quality tracing; the carrying and cross operation work of aluminum foil materials are reduced, and the on-site production management is facilitated; intermediate processing procedures are reduced, so that the productivity of the aluminum foil of the battery is improved, and raw materials are provided for the new energy industry of energy conservation and emission reduction.
The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (11)
1. A carbon-coating apparatus, characterized in that the carbon-coating apparatus comprises:
a discharge level for placing a roll of battery foil;
the unreeling mechanism is fixed on one side of the unreeling position and comprises an unreeling shaft, an unreeling driving system, an unreeling floating roller system and an unreeling deviation correcting system, the unreeling shaft is sleeved with the battery foil, the unreeling driving system is in transmission connection with the unreeling shaft and is used for driving the unreeling shaft to rotate so as to realize unreeling, the unreeling floating roller system is used for controlling the tension of the battery foil when the unreeling shaft unreels so as to adjust the tension of the battery foil, and the unreeling deviation correcting system is used for controlling the unreeling shaft so as to correct the conveying path of the battery foil;
the feeding and pulling mechanism is connected with the discharging side of the unreeling mechanism and is used for pulling the unreeled battery foil;
the positive coating mechanism is arranged on the discharging side of the drawing mechanism and is used for coating the front surface of the battery foil;
the first layer of oven mechanism is arranged on the discharging side of the front coating mechanism and is used for drying the battery foil coated on the front surface;
the back coating mechanism is arranged on the discharging side of the first layer oven mechanism and is used for coating the back surface of the battery foil;
the second-layer oven mechanism is arranged at the discharging side of the back coating mechanism and is used for drying the battery foil coated on the back surface;
the pulling mechanism is arranged on the discharging side of the second-layer oven mechanism and is used for pulling the battery foil to discharge;
the winding mechanism is arranged at the discharging side of the drawing mechanism and is used for winding the battery foil and the battery foil,
the frame is used for installing and fixing the discharging position, the unreeling mechanism, the feeding and pulling mechanism, the forward coating mechanism, the first layer oven mechanism, the reverse coating mechanism, the second layer oven mechanism, the discharging and pulling mechanism and the reeling mechanism.
2. The carbon coating device as claimed in claim 1, wherein the unreeling driving system comprises a driving motor installed on the frame and a speed reducer in transmission connection with the driving motor, and a shaft outlet end of the speed reducer is fixedly connected with one end of the unreeling shaft, wherein a roll diameter calculation formula of the unreeling mechanism is as follows:
D＝(v*i*60)/n*π；
wherein V is the starting linear speed m/s of the unreeling shaft; i is the reduction ratio of the gearbox of the speed reducer; n is the motor rotation speed rpm of the driving motor; d is the coil diameter of the unreeling shaft;
and compensating by using a roll diameter compensation formula, wherein the roll diameter compensation formula is as follows:
D2＝D±2kh；
wherein h is the thickness of the coiled material; k is the number of coils unreeled or reeled in the calculation period; d2 is the total roll diameter of the material roll sleeved on the unreeling shaft; d2=d-2 kh when uncoiling and d2=d+2 kh when coiling.
3. The carbon coating device as claimed in claim 1, further comprising a material feeding frame device and a corona degreasing device which are respectively arranged on the frame, wherein one end of the material feeding frame device is connected with the unreeling mechanism, the other end of the material feeding frame device is connected with the corona degreasing device, and the material feeding frame device is used for realizing real-time detection of the tension of the battery foil and feedback adjustment of the unreeling speed; and the corona degreasing device performs corona treatment on the surface of the battery foil.
4. A carbon-coating apparatus as claimed in claim 3, wherein the corona degreasing device comprises a servo driver, a motor and a corona roller which are respectively fixed on the frame, wherein the servo driver is in signal connection with the motor, an output end of the motor is fixedly connected with the corona roller, and the servo driver drives the motor to control the corona roller to rotate for corona treatment of the battery foil passing through the corona roller.
5. A carbon application apparatus as claimed in claim 1, wherein the infeed mechanism is located on the outfeed side of the unwind mechanism, the infeed mechanism comprising an infeed roller and an infeed drive mechanism for driving movement of the infeed roller, respectively, secured to the frame, the infeed roller being for drawing the battery foil.
6. The carbon coating device as claimed in claim 1, wherein the forward coating mechanism comprises a forward coating roller, a forward coating roller driving system, a forward coating roller and a forward coating roller driving system which are respectively arranged on the frame, the forward coating roller and the forward coating roller are correspondingly arranged up and down, the forward coating roller driving system is used for driving the forward coating roller to rotate, and the forward coating roller driving system drives the forward coating roller to descend for realizing forward coating compaction of the battery foil.
7. The char-coating device of claim 1, wherein the first layer oven mechanism comprises a first driving roller, a first driving system, and a first drying system, each of which is fixed to the frame; the first driving system drives the first driving roller to rotate, and the first driving roller drives the battery foil to pass through the inside of the first drying system so as to realize the drying treatment of the battery foil;
the second-layer oven mechanism comprises a second driving roller, a second driving system and a second drying system which are respectively arranged on the frame, the second driving system drives the second driving roller to rotate, and the second driving roller drives the battery foil to pass through the inside of the second drying system so as to realize the drying treatment of the battery foil.
8. The carbon-coating apparatus of claim 1, wherein the back-coating mechanism comprises a back-coating roller, a back-coating roller driving system, a back-coating deviation correcting system, a back-coating press roller and a back-coating press roller driving system, which are respectively installed on the frame; the back coating press roll and the back coating roll are arranged up and down oppositely or are positioned at one side of the horizontal position of the back coating roll; the back coating roller driving system is in transmission connection with the back coating roller and is used for driving the back coating roller to run; the back coating press roller driving system is in transmission connection with the back coating press roller and is used for driving the back coating press roller to operate, and the back coating deviation correcting system is used for correcting the battery foil so that the back coating position of the battery foil is opposite to the front coating position of the battery foil.
9. The carbon-coating apparatus of claim 1, wherein the take-off mechanism comprises a take-off roller, a take-off drive system, and a take-off roller mounted to the frame, respectively; the drawing roller and the drawing roller are correspondingly arranged up and down, and the drawing driving system is in transmission connection with the drawing roller and is used for driving the drawing roller to move so as to realize drawing of the battery foil discharged from the second-layer oven mechanism.
10. The charcoal coating device according to claim 1, wherein the winding mechanism is respectively installed on the frame and comprises a winding shaft, a winding driving system, a winding floating roller system and a winding deviation correcting system; the winding driving system is in transmission connection with the winding shaft and is used for driving the winding shaft to rotate, and the winding floating roller system is arranged on the feeding side of the winding shaft and is used for controlling the tension of the battery foil when the winding shaft is wound so as to adjust the tension of the battery foil; the winding deviation correcting system is used for correcting deviation of the conveying path of the battery foil discharged by the discharging and pulling mechanism.
11. A method of using a carbon application apparatus as claimed in any one of claims 1 to 10, wherein the method of use comprises the steps of:
step S1, connecting the unreeling mechanism with a large sleeve material roll;
s2, carrying out corona treatment on the surface of the battery foil discharged by the unreeling mechanism through the corona degreasing device;
step S3, providing stable speed through the pulling mechanism to pull the battery foil to move;
s4, realizing front coating treatment on the battery foil through the front coating mechanism;
s5, drying the battery foil through the first layer oven mechanism;
s6, carrying out reverse coating treatment on the battery foil through the reverse coating mechanism;
step S7, drying the battery foil through the second-layer oven mechanism;
and S8, pulling the battery foil to the winding mechanism through the pulling mechanism to wind a finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310117172.6A CN116093265A (en) | 2023-01-18 | 2023-01-18 | Carbon coating equipment and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310117172.6A CN116093265A (en) | 2023-01-18 | 2023-01-18 | Carbon coating equipment and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117936709A (en) * | 2024-03-18 | 2024-04-26 | 肇庆理士电源技术有限公司 | Lithium ion battery electrode coating equipment and method based on plasma deposition |
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2023
- 2023-01-18 CN CN202310117172.6A patent/CN116093265A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117936709A (en) * | 2024-03-18 | 2024-04-26 | 肇庆理士电源技术有限公司 | Lithium ion battery electrode coating equipment and method based on plasma deposition |
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