Drying device for coating lithium battery diaphragm
By designing a lithium battery separator coating device that includes a conveyor belt, coating rollers, and a hot air blower, the problem of inconvenient separator coating in lithium battery production was solved, achieving rapid and efficient separator coating and improving separator performance.
Patent Information
- Application Number
- CN202520146064.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-22
AI Technical Summary
The current lithium battery production process lacks efficient separator coating and drying equipment, resulting in inconvenience and low efficiency in separator coating.
A device was designed that includes an outer frame, a conveyor belt, a cylinder, a lifting frame, a coating roller, a limiting clamp, a diaphragm coating machine, and a drying box. The lithium battery is transported by the conveyor belt, the diaphragm liquid is coated by the coating roller, and the diaphragm is dried by a hot air blower, so as to achieve rapid coating and drying of the diaphragm.
It enables convenient and rapid lithium battery separator coating process, improves the separator's high temperature resistance, liquid absorption and retention, and electrode adhesion, and improves separator performance.
Smart Images

Figure CN223800835U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of lithium battery diaphragm coating, specifically to a drying device for lithium battery diaphragm coating. BACKGROUND
[0002] Coated diaphragm refers to the diaphragm type after the surface of the base film is treated by coating process. The coated diaphragm is formed after coating processing on the basis of the finished base film, and the coating process is essentially a surface modification treatment of the diaphragm. The diaphragm after coating modification can reflect better high-temperature resistance, liquid absorption and liquid retention, and pole piece adhesion, etc. It can significantly improve the performance of dry and wet diaphragms.
[0003] At present, the surface of the lithium battery needs to be coated with diaphragm during production and processing.
[0004] Therefore, a drying device for lithium battery diaphragm coating is needed to improve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a drying device for lithium battery diaphragm coating to solve the problems raised in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A drying device for lithium battery diaphragm coating, comprising an outer frame, a rack is arranged on the lower side of the inner frame, a conveying belt is installed on the inner side of the rack, a horizontal plate is arranged at the top of the outer frame, a gas cylinder is installed on the top of the horizontal plate, a lifting frame is installed on the lower side of the driving shaft of the gas cylinder, coating rollers are symmetrically arranged on the lower side of the inner side of the lifting frame, limit clamping plates are symmetrically arranged on the right side of the horizontal plate and located on the top of the outer frame, a diaphragm coating machine is arranged on the inner side of the limit clamping plate, a drying box is arranged on the right side of the inner frame of the outer frame, and a hot air blower is installed on the top of the drying box.
[0008] As a preferred scheme of the utility model, the driving shaft of the gas cylinder penetrates the horizontal plate and is connected with the lifting frame, and the driving shaft of the gas cylinder is connected with the horizontal plate in a sliding connection mode.
[0009] As a preferred scheme of the utility model, the outer shape structure of the lifting frame is designed as an inverted U-shaped structure.
[0010] As a preferred scheme of the utility model, the connection mode between the coating roller and the lifting frame is rotary connection.
[0011] As a preferred scheme of the utility model, the diaphragm coating machine is internally provided with lithium battery diaphragm coating liquid, and the spray head of the diaphragm coating machine is opposite to the coating roller.
[0012] As the preferred scheme of the utility model, the conveying belt is driven by motor, belt pulley and belt, and the conveying belt penetrates the drying box.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1、the utility model discloses a horizontal plate, cylinder, lifting frame, coating roller, spacing clamping plate, diaphragm coating machine can be coated with diaphragm to the surface of lithium battery in the conveying belt conveying lithium battery, the drying box, hot air machine can dry the coated diaphragm, and the above-mentioned design can make the diaphragm coating of lithium battery more convenient and fast. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the whole structure schematic view of the utility model;
[0016] Fig. 2 It is the partial structure schematic view of the utility model;
[0017] Fig. 3 It is the drying box structure schematic view of the utility model.
[0018] In the drawing: 1, outer frame;2, rack;3, conveying belt;4, horizontal plate;5, cylinder;6, lifting frame;7, coating roller;8, spacing clamping plate;9, diaphragm coating machine;10, drying box;11, hot air machine. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.
[0021] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings, several embodiments of the utility model are given, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0022] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intervening element, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more relevant listed items.
[0024] Embodiments, please refer to Figs. 1-3 The utility model provides a technical scheme:
[0025] A kind of drying device for lithium battery separator coating, including outer frame 1, the lower side of the inside of outer frame 1 is provided with rack 2, the inside of rack 2 is installed with conveying belt 3, the top middle of outer frame 1 is provided with horizontal plate 4, the top of horizontal plate 4 is installed with air cylinder 5, the lower side drive shaft of air cylinder 5 is installed with lifting frame 6, the inside of lifting frame 6 is symmetrically provided with coating roller 7 below, the top of outer frame 1 and located right side of horizontal plate 4 is symmetrically provided with limit clamping plate 8, the inside of limit clamping plate 8 is provided with separator coating machine 9, the right side of the inside of outer frame 1 is provided with drying box 10, the top of drying box 10 is installed with hot air fan 11.
[0026] In the embodiment, the driving shaft of the cylinder 5 is connected with the lifting frame 6 through the cross plate 4, the driving shaft of the cylinder 5 is in sliding connection with the cross plate 4, the lifting frame 6 has an inverted U-shaped structure, the coating roller 7 is in rotary connection with the lifting frame 6, the diaphragm coating machine 9 is internally provided with diaphragm coating liquid, the nozzle of the diaphragm coating machine 9 is opposite to the coating roller 7, the conveying belt 3 is driven by a motor, a belt pulley and a belt, the conveying belt 3 penetrates through the drying box 10, and the cross plate 4, the cylinder 5, the lifting frame, the coating roller 7, the limiting clamping plate 8 and the diaphragm coating machine 9 are arranged, so that the diaphragm coating liquid on the coating roller 7 can be coated on the surface of the lithium battery by rolling when the lithium battery is conveyed by the conveying belt 3, the drying box 10 and the hot air machine 11 are arranged, so that the coated diaphragm can be dried, and the lithium battery diaphragm coating is more convenient and fast.
[0027] The working process of the utility model is as follows: when in use, first, the lithium battery is placed on the conveying belt 3, then the lithium battery is conveyed from left to right by starting the conveying belt 3, then the diaphragm coating liquid of the lithium battery is sprayed on the coating roller 7 by starting the diaphragm coating machine 9, then the coating roller 7 is tightly attached to the surface of the lithium battery by starting the cylinder 5 to drive the lifting frame 6 to move downwards, then the diaphragm coating liquid of the lithium battery is coated on the surface of the lithium battery by rotating the coating roller 7 as the lithium battery moves, then the lithium battery with the coated diaphragm is conveyed into the drying box 10 by the conveying belt 3, then the coated diaphragm is dried by starting the hot air machine 11, the cross plate 4, the cylinder 5, the lifting frame, the coating roller 7, the limiting clamping plate 8 and the diaphragm coating machine 9 are arranged, so that the diaphragm coating liquid on the coating roller 7 can be coated on the surface of the lithium battery by rolling when the lithium battery is conveyed by the conveying belt 3, the drying box 10 and the hot air machine 11 are arranged, so that the coated diaphragm can be dried, and the lithium battery diaphragm coating is more convenient and fast.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A drying device for coating of lithium battery separators comprising an outer frame (1), characterized in that: The lower side of the outer frame (1) is provided with a rack (2), the inner side of the rack (2) is installed with a conveying belt (3), the top middle of the outer frame (1) is provided with a horizontal plate (4), the top of the horizontal plate (4) is installed with a gas cylinder (5), the lower side of the driving shaft of the gas cylinder (5) is installed with a lifting frame (6), the lower side of the inner side of the lifting frame (6) is provided with a coating roller (7) which is symmetrically arranged left and right, the top of the outer frame (1) and the right side of the horizontal plate (4) are symmetrically provided with a limiting clamping plate (8), the inner side of the limiting clamping plate (8) is provided with a diaphragm coating machine (9), the right side of the inner side of the outer frame (1) is provided with a drying box (10), the top of the drying box (10) is installed with a hot air machine (11).
2. The drying apparatus for coating of lithium battery separators according to claim 1, wherein: The driving shaft of the gas cylinder (5) penetrates the horizontal plate (4) and is connected with the lifting frame (6), and the driving shaft of the gas cylinder (5) and the horizontal plate (4) are connected in a sliding connection mode.
3. The drying apparatus for coating of lithium battery separators according to claim 1, wherein: The outer shape structure of the lifting frame (6) is designed as an inverted U-shaped structure.
4. The drying apparatus for coating of lithium battery separators according to claim 1, wherein: The connecting mode of the coating roller (7) and the lifting frame (6) is rotary connection.
5. The drying apparatus for coating of lithium battery separators as claimed in claim 1, wherein: The diaphragm coating machine (9) is filled with lithium battery diaphragm coating liquid, and the nozzle of the diaphragm coating machine (9) is opposite to the coating roller (7).
6. The drying apparatus for coating of lithium battery separators according to claim 1, wherein: The conveying belt (3) is driven by a motor, a belt pulley and a belt, and the conveying belt (3) penetrates the drying box (10).