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CN-224221748-U - Polymer lithium battery cell pole piece coating device

CN224221748UCN 224221748 UCN224221748 UCN 224221748UCN-224221748-U

Abstract

The utility model relates to the technical field of electrode sheet coating, in particular to a polymer lithium battery electrode sheet coating device which comprises a mounting frame, wherein a winding roller is arranged in the mounting frame, a coating mechanism comprises two coating nozzles arranged in the mounting frame, the two coating nozzles are oppositely arranged and are in sliding connection with the inner side of the mounting frame, and the two coating nozzles are oppositely arranged at the upper end and the lower end of a passing electrode sheet, so that synchronous spraying can be directly carried out on two surfaces of the passing electrode sheet when the passing electrode sheet passes through the space between the two coating nozzles, and the working efficiency is effectively improved. Meanwhile, the distance between the two coating nozzles and the pole piece can be adjusted by arranging the bidirectional screw, the probability that the pole piece cannot be used due to coating errors caused by dislocation is reduced by arranging the deviation correcting component, the production cost is saved, the collecting shells are arranged on two sides of the coating nozzle below, and the pollution to the environment can be reduced while the production cost is reduced.

Inventors

  • LIU ZHONGHUA
  • CHEN HAIPING

Assignees

  • 江苏佰信达电气有限公司

Dates

Publication Date
20260512
Application Date
20250408

Claims (7)

  1. 1. The coating device for the electrode slices of the polymer lithium battery cells is characterized by comprising a mounting frame (100), wherein a winding roller (200) is arranged in the mounting frame (100); Coating mechanism (300), coating mechanism (300) are including setting up in inside two coating nozzle (310) of mounting bracket (100), two coating nozzle (310) set up relatively, two coating nozzle (310) all with the inboard sliding connection of mounting bracket (100), be provided with between coating nozzle (310) and the roller (200) and rectify subassembly (400).
  2. 2. The device for coating the electrode plates of the polymer lithium battery cell of claim 1, wherein the inner wall of the mounting frame (100) is provided with a bidirectional screw rod (320), and one ends of the two coating nozzles (310) are arranged on the surface of the bidirectional screw rod (320).
  3. 3. The polymer lithium battery cell pole piece coating device of claim 2, wherein the top end of the bidirectional screw rod (320) is fixedly connected with a servo motor (330), the servo motor (330) is fixedly connected to the top end of the mounting frame (100), and the bottom end of the bidirectional screw rod (320) is rotatably connected with the inner wall of the mounting frame (100).
  4. 4. The device for coating the electrode plates of the polymer lithium battery according to claim 1, wherein collecting shells (311) are arranged on two sides of the coating nozzle (310) arranged below, and the collecting shells (311) are spliced with the coating nozzle (310).
  5. 5. The polymer lithium battery cell pole piece coating device of claim 1, wherein the deviation rectifying assembly (400) comprises an adjusting roller (410) rotatably connected to the inner side of the mounting frame (100), a sliding frame (421) is arranged above the adjusting roller (410), the deviation rectifying roller (420) is rotatably connected to the inner side of the sliding frame (421), and the top end of the sliding frame (421) is slidably connected between the mounting frame (100).
  6. 6. The polymer lithium battery cell pole piece coating device according to claim 5, wherein an electric push rod (440) is fixedly connected to the inner top wall of the mounting frame (100), the driving end of the electric push rod (440) is fixedly connected with the top end of the sliding frame (421), infrared receivers (411) are arranged at two ends of the adjusting roller (410), and an infrared emitter (430) fixedly connected to the mounting frame (100) is arranged above the infrared receivers (411).
  7. 7. The device for coating the electrode sheet of the polymer lithium battery cell of claim 5, wherein a first rotating roller (210) is arranged between the regulating roller (410) and the winding roller (200), and a second rotating roller (220) is arranged on one side, far away from the winding roller (200), of the coating nozzle (310).

Description

Polymer lithium battery cell pole piece coating device Technical Field The utility model relates to the technical field of electrode slice coating, in particular to a polymer lithium battery electrode slice coating device. Background In order to improve battery performance, ensure electrode uniformity, control electrode thickness, and improve battery safety, it is desirable to coat the polymer lithium battery cell electrode sheet. The coated pole piece can provide larger surface area, is favorable for full contact between the electrode material and electrolyte, ensures uniform thickness of the electrode, reduces defects, improves stability and reliability, and reduces safety risks. When the polymer lithium battery cell pole piece coating device is used for coating, a polymer lithium battery cell pole piece coating device is needed. Through retrieval, the utility model effectively ensures that the anode slurry is uniformly coated on the surface of the electrode plate and can be provided with white areas at intervals; When the application is applied to the electrode sheet, only one side of the electrode sheet can be coated each time, and the electrode sheet is usually required to be coated on both sides, and the device is low in efficiency and unfavorable for production because the electrode sheet is required to be coated secondarily by the double-side coating of the electrode sheet. Therefore, a coating device for a battery cell pole piece of a polymer lithium battery is provided to solve the above problems. Disclosure of utility model The utility model aims to solve the problems and provide a pole piece coating device for a polymer lithium battery cell, which solves the problem that the two sides of a pole piece cannot be coated at the same time. The utility model realizes the aim through the following technical scheme that the polymer lithium battery cell pole piece coating device comprises a mounting frame, a coating layer and a coating layer, wherein a winding roller is arranged in the mounting frame; The coating mechanism comprises two coating nozzles arranged inside the mounting frame, the two coating nozzles are oppositely arranged, the two coating nozzles are both in sliding connection with the inner side of the mounting frame, and a deviation rectifying assembly is arranged between the coating nozzles and the winding roller. Preferably, the inner wall of the mounting frame is provided with a bidirectional screw rod, and one ends of the two coating nozzles are arranged on the surface of the bidirectional screw rod. The distance between the coating nozzle and the pole piece is adjusted so as to ensure the uniformity of the coating process. Preferably, the top fixedly connected with servo motor of two-way lead screw, servo motor fixed connection is in the top of mounting bracket, the bottom of two-way lead screw is rotated with the inner wall of mounting bracket and is connected. And starting the bidirectional screw rod. Preferably, the two sides of the coating nozzle arranged below are provided with collecting shells, and the collecting shells are spliced with the coating nozzle. The coating liquid is collected, so that the recovery is convenient. Preferably, the deviation rectifying assembly comprises a regulating roller which is rotationally connected to the inner side of the mounting frame, a sliding frame is arranged above the regulating roller, the deviation rectifying roller is rotationally connected to the inner side of the sliding frame, and the top end of the sliding frame is slidingly connected between the mounting frame. And correcting the deviation of the pole piece. Preferably, the electric putter is fixedly connected with to the interior roof of mounting bracket, electric putter's drive end and the top fixed connection of carriage, the both ends of dancer roll are provided with infrared receiver, infrared receiver's top is provided with the infrared transmitter of fixed connection in the mounting bracket. The position of the pole piece is rapidly sensed. Preferably, a first rotating roller is arranged between the regulating roller and the winding roller, and a second rotating roller is arranged on one side, far away from the winding roller, of the coating nozzle. Stretching the pole piece to prevent the surface of the pole piece from wrinkling. The beneficial effects of the utility model are as follows: 1. Through set up two coating nozzles relatively in the upper and lower both ends through the pole piece, can directly carry out synchronous spraying to its two faces when the pole piece passes through between two coating nozzles, can effectually reduce because of the shrinkage leads to two face alignment errors after the pole piece single face is dry to the coating can reduce the coating number of times to the two-sided simultaneous coating of pole piece, effectual improvement work efficiency. Meanwhile, the distance between the two coating nozzles and the pole piece can be adjusted by a