CN117282637A - Drying system of lithium-ion battery pole piece coating machine - Google Patents

Drying system of lithium-ion battery pole piece coating machine Download PDF

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Publication number
CN117282637A
CN117282637A CN202311318405.5A CN202311318405A CN117282637A CN 117282637 A CN117282637 A CN 117282637A CN 202311318405 A CN202311318405 A CN 202311318405A CN 117282637 A CN117282637 A CN 117282637A
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CN
China
Prior art keywords
pole piece
battery pole
frame
drying
lithium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311318405.5A
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Chinese (zh)
Inventor
吴龙涛
夏永
李尤娜
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Jiangxi Yinghe Technology Co ltd
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Jiangxi Yinghe Technology Co ltd
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Filing date
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Application filed by Jiangxi Yinghe Technology Co ltd filed Critical Jiangxi Yinghe Technology Co ltd
Priority to CN202311318405.5A priority Critical patent/CN117282637A/en
Publication of CN117282637A publication Critical patent/CN117282637A/en
Pending legal-status Critical Current

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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
    • 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
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • 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)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention provides a drying system of a lithium-ion battery pole piece coating machine, which belongs to the field of lithium-ion battery pole piece processing and comprises a belt conveyor consisting of a conveying surface and a fixing part, wherein a placing frame for obliquely placing a battery pole piece is uniformly arranged on the conveying surface, and a drying box is arranged at the upper end of the fixing part of the belt conveyor. According to the invention, the battery pole piece is subjected to distributed multi-point contact by the supporting rod, so that the front and back surfaces of the battery pole piece are exposed to the greatest extent and the double-sided exposure degree is the same, the situation that the front and back surfaces are dried at different speeds and different drying degrees due to overlarge single-sided contact area of the battery pole piece is avoided, the surface of the obliquely placed battery pole piece is more susceptible to drying, hot air in the drying box fully acts on the battery pole piece, and the overall drying efficiency and drying uniformity of the battery pole piece are improved.

Description

Drying system of lithium-ion battery pole piece coating machine
Technical Field
The invention relates to the field of lithium-ion battery pole piece processing, in particular to a drying system of a lithium-ion battery pole piece coating machine.
Background
The lithium-ion battery pole piece refers to a positive pole piece and a negative pole piece in a lithium-ion battery, which are one of the most critical parts in the battery, and have the functions of conducting, insulating, resisting side flow, reducing the loss of the battery content, improving the safety performance of the battery and the like. The manufacturing engineering of the lithium-ion battery pole piece can be divided into the working procedures of slurry preparation, slurry coating, pole piece rolling, slicing, drying and the like, wherein the drying working procedure is used for evaporating the water in the battery pole piece to a certain degree of dryness, so that the quality of the battery pole piece is effectively ensured, and the service life and the performance of the battery are improved.
However, the following problems still exist in the drying process after coating the common lithium-ion battery pole piece: (1) The battery pole piece after slicing is directly placed on a conveying belt and then conveyed to a drying box to be subjected to hot air drying treatment, but the contact area between the bottom of the battery pole piece and the conveying belt is large, so that the drying speed of the upper surface and the lower surface of the battery pole piece is inconsistent easily; (2) Meanwhile, the blowing direction of the hot air is fixed, the drying speed of the part of the battery pole piece close to the heat source is higher than that of other parts, and the drying uniformity of the whole battery pole piece in unit time is lower.
Disclosure of Invention
The invention provides a drying system of a lithium-ion battery pole piece coating machine, which aims to solve the problems existing in the drying process of the lithium-ion battery pole piece in the related technology.
The invention provides a drying system of a lithium-ion battery pole piece coating machine, which comprises a belt conveyor consisting of a conveying surface and a fixing part, wherein a placing frame for obliquely placing a battery pole piece is uniformly arranged on the conveying surface, and a drying box is arranged at the upper end of the fixing part of the belt conveyor.
The upper end of conveying face is installed from the left side to the right fixed plate of evenly arranging, the fixed plate comprises horizontal segment and slope section, the horizontal segment of fixed plate is connected with the conveying face, the slope section of fixed plate is provided with the frame of placing rather than parallel, place the frame and include back the frame and return down the frame, back down the inclined segment fixed connection of frame and fixed plate down, go up back the frame and return down the frame and both inside have been seted up the cavity, go up back the frame and return down and be connected with and be rectangular distribution and hollow link between the frame, all install equidistant evenly distributed's connecting cylinder between the adjacent link, the connecting cylinder is mutually perpendicular with the link, go up back the frame, return down back the frame, connecting cylinder and connecting cylinder surface all equipartition have the air vent, and go up back the frame, return down back the frame, link and connecting cylinder intercommunication each other, install the grid board down back down in the frame.
The connecting cylinder is provided with a plurality of connecting cylinders, the front side and the rear side of the connecting cylinders are opposite, the sides of the connecting cylinders, which are close to each other, are respectively provided with a plurality of supporting rods communicated with the connecting cylinders, the supporting rods are uniformly distributed along the axis of the connecting cylinders, and the outer ring surfaces of the supporting rods are provided with uniformly distributed communication holes.
In one possible implementation mode, the inclined conical gear is installed at the center of one end of the grid plate, which is close to the conveying surface, through the fixed shaft, the fixed shaft penetrates through the inclined section of the fixed plate and is rotationally connected with the inclined section of the fixed plate, the lower end of the inclined conical gear is meshed with the horizontal conical gear, the lower end of the horizontal conical gear is connected with the transmission gear through the connecting shaft, the connecting shaft is rotationally installed at the upper end of the mounting plate, the mounting plate is fixedly installed on the conveying surface, the rack is installed at the lower side of the inner wall of the rear end of the drying box, and when the transmission gear moves to the drying box, the transmission gear is meshed with the rack.
In one possible implementation manner, the upper end of the connecting frame is fixedly connected with the upper return frame, the lower end of the connecting frame is in sliding connection with the lower return frame, two threaded rods distributed in a diagonal line are further connected between the upper return frame and the lower return frame, the threaded rods are in rotary connection with the lower return frame, and the threaded rods are in threaded connection with the upper return frame.
In one possible implementation manner, the ball is mounted at the end, close to the front and rear support rods, of the support rods in a ball hinged manner, and the distance between the left and right connecting cylinders is larger than the width of the battery pole piece.
In one possible implementation mode, the end, close to each other, of the connecting cylinder and the end, far away from the conveying surface, of the grid plate are connected with a buffer plate through compression springs, and square holes which are uniformly distributed are formed in the surface of the buffer plate.
In one possible implementation, the front and rear inner walls of the drying box are provided with a dryer with a plurality of drying heads, the drying heads on the front side dryer incline downwards forwards and are perpendicular to the inclined section of the fixed plate, and the drying heads on the rear side dryer incline downwards backwards and are parallel to the inclined section of the fixed plate.
In one possible implementation manner, the upper end of the drying box is provided with an inverted U-shaped plate, the upper end surface of the drying box is provided with two grooves which are bilaterally symmetrical, the vertical section of the inverted U-shaped plate is slidably arranged in the corresponding groove, and an electric push rod is connected between the inner side of the horizontal section of the inverted U-shaped plate and the upper end surface of the drying box.
The invention has the beneficial effects that:
1. according to the drying system of the lithium-ion battery pole piece coating machine, provided by the embodiment of the invention, the battery pole piece is subjected to distributed multi-point contact by the supporting rod, so that the front and back surfaces of the battery pole piece are exposed to the greatest extent and the two-sided exposure degree is the same, and the situation that the front and back surfaces are different in drying speed and drying degree due to the fact that the single-sided contact area of the battery pole piece is too large is avoided.
2. According to the drying system of the lithium-ion battery pole piece coating machine, provided by the embodiment of the invention, the surface of the obliquely placed battery pole piece is more easily dried, and the provided vent holes, the communication holes, the upper return type frame, the lower return type frame, the connecting cylinder and the connecting frame which are mutually communicated realize the dual functions of expanding the circulation range of hot gas and reducing the blocking degree of the battery pole piece, so that the hot gas can be blown to the battery pole piece from the vent holes and the communication holes, further, the hot gas in the drying box is fully acted on the battery pole piece, and the overall drying efficiency and the drying uniformity of the battery pole piece are improved.
3. According to the drying system of the lithium-ion battery pole piece coating machine, provided by the embodiment of the invention, the battery pole piece in the placement frame continuously rotates in the drying box, so that all surfaces of the battery pole piece can be continuously dried to the same degree, and the flow of hot air around the battery pole piece is accelerated by utilizing the rotation of the placement frame, so that the hot air can more fully and uniformly dry the whole battery pole piece, and the drying speed and uniformity are further improved.
Drawings
Fig. 1 is a schematic perspective view of a drying system of a lithium-ion battery pole piece coater according to an embodiment of the invention.
Fig. 2 is a schematic diagram of the right-hand structure of fig. 1 according to the present invention.
FIG. 3 is a schematic view of the cross-sectional structure of the A-A of FIG. 2 according to the present invention.
Fig. 4 is a schematic perspective view of the inside of a drying box of a drying system of a lithium-ion battery pole piece coating machine according to an embodiment of the invention.
Fig. 5 is a schematic perspective view of a placement frame of a drying system of a lithium-ion battery pole piece coater according to an embodiment of the invention.
Fig. 6 is a schematic diagram of a left-view structure of a placement frame of a drying system of a lithium-ion battery pole piece coating machine according to an embodiment of the invention.
FIG. 7 is a schematic view of the B-B cross-sectional structure of FIG. 6 according to the present invention.
Fig. 8 is a schematic top view of a placement frame of a drying system of a lithium-ion battery pole piece coater according to an embodiment of the invention.
FIG. 9 is a schematic view of the cross-sectional C-C structure of FIG. 8 in accordance with the present invention.
Fig. 10 is an enlarged schematic view of the structure of the D area of fig. 6 according to the present invention.
Fig. 11 is a schematic perspective view of a grid plate, a buffer plate and a compression spring of a drying system of a lithium-ion battery pole piece coater according to an embodiment of the invention.
In the figure: 1. a belt conveyor; 11. a conveying surface; 12. a fixing plate; 13. a rack; 14. a mounting plate; 2. placing a frame; 21. an upper return frame; 212. a threaded rod; 22. a lower return frame; 23. a vent hole; 24. a connecting cylinder; 25. a grid plate; 251. a buffer plate; 252. square holes; 253. a compression spring; 26. a connecting frame; 261. a communication hole; 27. a supporting rod; 271. a ball; 28. a bevel gear is inclined; 281. a horizontal bevel gear 29, a transmission gear; 3. a drying box; 31. a dryer; 32. a drying head; 33. pouring a U-shaped plate; 34. an electric push rod; 4. and a battery pole piece.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described below and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1, a drying system of a lithium-ion battery pole piece coating machine comprises a belt conveyor 1 composed of a conveying surface 11 and a fixing part, a placing frame 2 for obliquely placing a battery pole piece is uniformly arranged on the conveying surface 11, and a drying box 3 is arranged at the upper end of the fixing part of the belt conveyor 1.
Referring to fig. 1, fig. 4, fig. 5, fig. 6 and fig. 11, the upper end of the conveying surface 11 is provided with a fixing plate 12 which is uniformly distributed from left to right, the fixing plate 12 is composed of a horizontal section and an inclined section, the horizontal section of the fixing plate 12 is connected with the conveying surface 11, the inclined section of the fixing plate 12 is provided with a placing frame 2 parallel to the horizontal section, the placing frame 2 comprises an upper return frame 21 and a lower return frame 22, the lower return frame 22 is fixedly connected with the inclined section of the fixing plate 12, cavities are formed in the upper return frame 21 and the lower return frame 22, rectangular and hollow connecting frames 26 are connected between the upper return frame 21 and the lower return frame 22, equidistant and uniformly distributed connecting cylinders 24 are mounted between the adjacent connecting frames 26, as shown in fig. 5, the connecting cylinders 24 in front and back directions are only different in diameter, the connecting cylinders 24 are perpendicular to the connecting frames 26, the upper return frame 21, the lower return frame 22, the connecting cylinders 24 are uniformly distributed with the connecting cylinders 24, and the surfaces of the upper return frame 21 and the lower return frame 22 are uniformly distributed with the connecting cylinders 24, and the upper return frame 22 and the lower return frame 22 are uniformly distributed, and the upper return frame 22 and the lower return frame 24 are uniformly distributed.
Referring to fig. 7, 9 and 10, the opposite sides of the connecting cylinder 24, which are close to each other, are respectively provided with a supporting rod 27 which is communicated with the connecting cylinder 24, the supporting rods 27 are uniformly distributed along the axis of the connecting cylinder 24, and the outer ring surfaces of the supporting rods 27 are provided with uniformly distributed communication holes 261.
Firstly, the battery pole piece 4 is inserted between connecting cylinders 24 which are arranged front and back from an upper return type frame 21 to a lower return type frame 22, the end parts of a supporting rod 27 are in contact with the surface of the battery pole piece 4, at the moment, the battery pole piece 4 is in an inclined semi-suspension state, the supporting rod 27 is utilized to carry out distributed multi-point contact on the battery pole piece 4, the front and back sides of the battery pole piece 4 are furthest exposed and the double-sided exposure degree is the same, the situation that the front and back sides are different due to the fact that the single-sided contact area of the battery pole piece 4 is overlarge is avoided, after the battery pole piece 4 is placed, the placing frame 2 carrying the battery pole piece 4 is conveyed to the inside of a drying box 3 through a belt conveyor 1, then the drying box 3 carries out drying treatment on the obliquely placed battery pole piece 4, the surface of the obliquely placed battery pole piece 4 is more susceptible to drying, and the opened vent holes 23, the communication holes 261 and the upper return type frame 21, the lower return type frame 22, the connecting cylinders 24 and the connecting frames 26 are communicated with each other are used for realizing the double functions of expanding the circulation range of hot gas and reducing the blocking degree of the battery pole piece 4, and the hot gas can also blow the whole vent holes 23 to the battery pole piece 4 to the inside the drying box 3, and the battery pole piece 4 is fully used for drying the battery pole piece 4.
Referring to fig. 4, 5 and 6, an inclined bevel gear 28 is mounted at the center of one end of the grid plate 25 near the conveying surface 11 through a fixed shaft, the fixed shaft penetrates through the inclined section of the fixed plate 12 and is rotatably connected with the inclined section, a horizontal bevel gear 281 is meshed with the lower end of the inclined bevel gear 28, a transmission gear 29 is connected with the lower end of the horizontal bevel gear 281 through a connecting shaft, the connecting shaft is rotatably mounted at the upper end of the mounting plate 14, the mounting plate 14 is fixedly mounted on the conveying surface 11, a rack 13 is mounted at the lower side of the inner wall of the rear end of the drying box 3, and when the transmission gear 29 moves to the drying box 3, the transmission gear 29 is meshed with the rack 13.
When the whole frame 2 that places enters into stoving case 3 inside, the transmission gear 29 that removes along with conveying face 11 and rack 13 meshing back transmission gear 29 take place to rotate, and then make horizontal bevel gear 281 drive inclined bevel gear 28 take place to rotate, inclined bevel gear 28 drives the whole frame 2 that places through the fixed axle and takes place to rotate, place the frame 2 and rotate in its incline direction, and then place the battery pole piece 4 in the frame 2 and keep rotating inside the stoving case, guarantee that all surfaces of battery pole piece 4 all can be lasted and the same degree stoving, and utilize the rotation of placing the frame 2 to accelerate the flow of the steam around the battery pole piece 4, make the steam more abundant evenly dry the whole battery pole piece 4, further improve stoving speed and degree of consistency.
Referring to fig. 4, 5 and 8, the upper end of the connecting frame 26 is fixedly connected with the upper mold frame 21, the lower end of the connecting frame 26 is slidably connected with the lower mold frame 22, two diagonally distributed threaded rods 212 are further connected between the upper mold frame 21 and the lower mold frame 22, the threaded rods 212 are rotatably connected with the lower mold frame 22, and the threaded rods 212 are in threaded connection with the upper mold frame 21.
When the battery pole pieces 4 with different lengths are placed, the threaded rod 212 can be rotated to enable the upper return type frame 21 to drive the connecting frame 26 and the connecting cylinder 24 to integrally move towards the direction where the lower return type frame 22 is located, the threaded rod 212 and the lower return type frame 22 conduct guiding and limiting on the upper return type frame 21, accordingly, the distance between the upper return type frame 21 and the lower return type frame 22 is adjusted according to the length of the battery pole pieces 4, contact points of the supporting rods 27 on the surface of the battery pole pieces 4 are evenly distributed, and further the inclined battery pole pieces 4 are evenly stressed during rotation.
Referring to fig. 9 and 10, the ball 271 is mounted at the end of the abutment rod 27 adjacent to the front and rear ends in a ball-hinged manner, and the distance between the left and right connecting cylinders 24 is greater than the width of the battery pole piece 4. On the one hand, the balls 271 are used for point contact with the surface of the battery pole piece 4, so that the clamping area of the battery pole piece 4 is further reduced, and the exposure degree of the battery pole piece 4 is increased. On the other hand, by utilizing the fact that the distance between the connecting cylinders 24 on the left side and the right side is larger than the width of the battery pole piece 4, the battery pole piece 4 can linearly reciprocate perpendicular to the connecting cylinders 24 on the left side and the right side in the process of rotating along with the placement frame 2, and then the positions of contact points between the balls 271 and the surfaces of the battery pole piece 4 are changed, the battery pole piece 4 is exposed from the previous contact positions and is dried, drying can be guaranteed at each position on the surface of the battery pole piece 4, rolling friction is generated between the balls 271 and the battery pole piece 4, and the moving resistance of the battery pole piece 4 is reduced, and surface abrasion of the battery pole piece 4 is avoided.
Referring to fig. 7, 8 and 11, the end of the connecting cylinder 24 near the left and right and the end of the grid plate 25 far from the conveying surface 11 are connected with a buffer plate 251 through a compression spring 253, and square holes 252 uniformly distributed are formed on the surface of the buffer plate 251.
In the process that the battery pole piece 4 synchronously rotates along with the placement frame 2 and synchronously moves linearly, the buffer plate 251 is utilized to buffer and damp the battery pole piece 4, the side edge of the battery pole piece 4 is protected, the rigid collision deformation of the battery pole piece 4 is avoided, and the square holes 252 are arranged to prevent the buffer plate 251 from protecting the battery pole piece 4 and simultaneously prevent the disturbance of the circulation of hot air.
Referring to fig. 2, 3 and 4, the front and rear inner walls of the drying box 3 are provided with a dryer 31 having a plurality of drying heads 32, the drying heads 32 on the front side dryer 31 are inclined forward and downward and perpendicular to the inclined section of the fixed plate 12, and the drying heads 32 on the rear side dryer 31 are inclined rearward and downward and parallel to the inclined section of the fixed plate 12.
After the battery pole piece 4 enters the drying box 3, the dryer 31 starts to work, the drying head 32 inclining towards the front lower side and the drying head 32 inclining towards the rear lower side dry the battery pole piece 4 from two directions, so that hot air is guaranteed to flow fully in the placing frame 2, the battery pole piece 4 is enabled to be subjected to uniform and full hot air action, and the overall drying efficiency and effect of the battery pole piece 4 are improved.
Referring to fig. 1, 2 and 3, the upper end of the drying box 3 is provided with a reverse-u-shaped plate 33, the upper end surface of the drying box 3 is provided with two grooves which are bilaterally symmetrical, the vertical section of the reverse-u-shaped plate 33 is slidably mounted in the corresponding groove, and an electric push rod 34 is connected between the inner side of the horizontal section of the reverse-u-shaped plate 33 and the upper end surface of the drying box 3.
When a single battery pole piece 4 moves into the drying box 3, the electric push rod 34 pushes the inverted U-shaped plate 33 downwards to seal the left side and the right side of the drying box 3, so that the battery pole piece 4 is dried in a sealing state, and after the drying is finished, when the next battery pole piece 4 needs to be dried, the electric push rod 34 pushes the inverted U-shaped plate 33 upwards to enable the drying box 3 to be in an open state, the dried battery pole piece 4 continues to be conveyed rightwards, and the battery pole piece 4 which is not dried enters into the drying box 3. The intermittent closed drying box 3 enables the battery pole piece 4 to be fully surrounded by hot air when the inside of the drying box 3 is dried, so that the change of the internal temperature of the drying box 3 caused by the fact that the drying box 3 is always in a semi-open state is avoided, and the drying effect of the hot air on the battery pole piece 4 is reduced.
The working principle of the invention is as follows: firstly, a battery pole piece 4 is inserted between connecting cylinders 24 which are arranged front and back from an upper return frame 21 to a lower return frame 22, the end part of a supporting rod 27 is contacted with the surface of the battery pole piece 4, at the moment, the battery pole piece 4 is in an inclined semi-suspension state, the supporting rod 27 is utilized to carry out distributed multi-point contact on the battery pole piece 4, the front and the back of the battery pole piece 4 are furthest exposed and have the same exposure degree on both sides, after the battery pole piece 4 is placed, a placing frame 2 carrying the battery pole piece 4 is conveyed into a drying box 3 through a belt conveyor 1, when the placing frame 2 integrally enters the drying box 3, a transmission gear 29 which moves along with a conveying surface 11 is meshed with a rack 13 and then rotates with the transmission gear 29, so that a horizontal bevel gear 281 drives an inclined bevel gear 28 to rotate, the inclined bevel gear 28 drives the placing frame 2 integrally to rotate through a fixed shaft, the placing frame 2 rotates in the inclined direction, the battery pole piece 4 in the placing frame 2 continuously rotates in the drying box, after the battery pole piece 4 enters the drying box 3, the dryer 31 starts to work, the drying head 32 inclining downwards forwards and the drying head 32 inclining downwards backwards dry the battery pole piece 4 from two directions, so that hot air is ensured to flow fully in the placing frame 2, the battery pole piece 4 is buffered and damped by the buffer plate 251 in the process that the battery pole piece 4 synchronously rotates along with the placing frame 2 and synchronously moves linearly, when the single battery pole piece 4 moves into the drying box 3, the electric push rod 34 pushes the inverted U-shaped plate 33 downwards to seal the left side and the right side of the drying box 3, after the drying is finished, when the next battery pole piece 4 needs to be dried, the electric push rod 34 pushes the inverted U-shaped plate 33 upwards to enable the drying box 3 to be in an open state, the dried battery pole piece 4 continues to be conveyed rightward, and the battery pole piece 4 which is not dried enters the inside of the drying box 3.
In embodiments of the invention, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or slidably connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle according to the present invention should be covered in the protection scope of the present invention.

Claims (7)

1. The drying system of the lithium-ion battery pole piece coating machine comprises a belt conveyor (1) consisting of a conveying surface (11) and a fixing part, wherein a placing frame (2) for obliquely placing a battery pole piece is uniformly arranged on the conveying surface (11), and a drying box (3) is arranged at the upper end of the fixing part of the belt conveyor (1);
the upper end of the conveying surface (11) is provided with a fixing plate (12) which is uniformly distributed from left to right, the fixing plate (12) is composed of a horizontal section and an inclined section, the horizontal section of the fixing plate (12) is connected with the conveying surface (11), the inclined section of the fixing plate (12) is provided with a placing frame (2) which is parallel to the horizontal section, the placing frame (2) comprises an upper return frame (21) and a lower return frame (22), the lower return frame (22) is fixedly connected with the inclined section of the fixing plate (12), cavities are formed in the upper return frame (21) and the lower return frame (22), rectangular and hollow connecting frames (26) are connected between the upper return frame (21) and the lower return frame (22), equidistant and uniformly distributed connecting cylinders (24) are arranged between the adjacent connecting frames (26), the connecting cylinders (24) are perpendicular to the connecting frames (26), the upper return frame (21), the lower return frame (22), the connecting cylinders (24) and the surfaces of the connecting frames (24) are uniformly distributed, and the upper return frame (24) and the lower return frame (22) are uniformly connected with each other;
the side, which is opposite to the front side and the rear side, of the connecting cylinder (24) and is close to the connecting cylinder (24) is provided with supporting rods (27) communicated with the connecting cylinder (24), the supporting rods (27) are uniformly distributed along the axis of the connecting cylinder (24), and the outer ring surface of the supporting rods (27) is provided with uniformly distributed communication holes (261).
2. The drying system of a lithium-ion battery pole piece coating machine according to claim 1, wherein: the utility model discloses a drying box, including fixed plate (3), fixed plate (25), mounting panel (14), fixed plate (3), rack (13) are installed to one end center that is close to conveying face (11) through the fixed axle, the fixed axle runs through fixed plate (12) slope section and rotates with it to be connected, the lower extreme meshing of inclined bevel gear (28) has horizontal bevel gear (281), horizontal bevel gear (281) lower extreme is connected with drive gear (29) through the connecting axle, the connecting axle rotates and installs in mounting panel (14) upper end, mounting panel (14) fixed mounting is on conveying face (11), rack (13) are installed to drying box (3) rear end inner wall downside, when drive gear (29) remove stoving box (3), mesh between drive gear (29) and rack (13).
3. The drying system of a lithium-ion battery pole piece coating machine according to claim 1, wherein: the upper end of the connecting frame (26) is fixedly connected with the upper return type frame (21), the lower end of the connecting frame (26) is in sliding connection with the lower return type frame (22), two threaded rods (212) which are distributed in a diagonal line are further connected between the upper return type frame (21) and the lower return type frame (22), the threaded rods (212) are in rotary connection with the lower return type frame (22), and the threaded rods (212) are in threaded connection with the upper return type frame (21).
4. The drying system of a lithium-ion battery pole piece coating machine according to claim 1, wherein: the ball (271) is arranged at the end of the supporting rod (27) close to each other in a ball hinging mode, and the distance between the left connecting cylinder (24) and the right connecting cylinder (24) is larger than the width of the battery pole piece (4).
5. The drying system of a lithium-ion battery pole piece coating machine according to claim 1, wherein: the end that the connecting cylinder (24) is close to about and the one end that keeps away from conveying face (11) of grid board (25) all are connected with buffer board (251) through compression spring (253), and square hole (252) of evenly arranging have been seted up on buffer board (251) surface.
6. The drying system of a lithium-ion battery pole piece coating machine according to claim 1, wherein: the front and rear inner walls of the drying box (3) are respectively provided with a dryer (31) with a plurality of drying heads (32), the drying heads (32) on the front side dryer (31) incline downwards forwards and are vertical to the inclined section of the fixed plate (12), and the drying heads (32) on the rear side dryer (31) incline downwards backwards and are parallel to the inclined section of the fixed plate (12).
7. The drying system of a lithium-ion battery pole piece coating machine according to claim 1, wherein: the upper end of stoving case (3) is provided with and falls U template (33), and two recesses of bilateral symmetry have been seted up to stoving case (3) up end, fall the vertical section slidable mounting of U template (33) in the recess that corresponds, fall and be connected with electric putter (34) between the horizontal segment inboard of U template (33) and stoving case (3) up end.
CN202311318405.5A 2023-10-12 2023-10-12 Drying system of lithium-ion battery pole piece coating machine Pending CN117282637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311318405.5A CN117282637A (en) 2023-10-12 2023-10-12 Drying system of lithium-ion battery pole piece coating machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311318405.5A CN117282637A (en) 2023-10-12 2023-10-12 Drying system of lithium-ion battery pole piece coating machine

Publications (1)

Publication Number Publication Date
CN117282637A true CN117282637A (en) 2023-12-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311318405.5A Pending CN117282637A (en) 2023-10-12 2023-10-12 Drying system of lithium-ion battery pole piece coating machine

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Country Link
CN (1) CN117282637A (en)

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