Air floating type oven of battery pole pieces

Abstract

The invention discloses an air floating type oven of battery pole pieces. Thermal wind channels relatively located on the upper side and the lower side are arranged in a staggered manner; cold wind channels relatively located on the upper side and the lower side are arranged in a staggered manner; a thermal wind circulating device is used for transporting thermal air to the thermal wind channels and jetting the thermal air to base materials through thermal wind outlets; a cold wind circulating device is used for transporting cold air to the cold wind channels, and jetting cold air to the basematerials through cold wind outlets; in the normal belt conveying process of the base materials, thermal air is jetted to the base materials through the thermal wind channels, so that the base materials are dried as soon as possible; once the belt conveying of the base materials is stopped, the thermal wind circulating device stops working, and the cold air is jetted by the cold wind circulating device through the cold wind channels; the cold wind channels are arranged in a staggered manner, so that the base materials are still kept suspending, and do not need physical support; and the cold wind is jetted to the base materials, so that the situation that heat quantity is continuously accumulated to the same positions of the base materials can be avoided, and damaging the base materials andthe surface pulp is prevented.

Description

technical field [0001] The invention relates to the technical field of lithium ion battery production, and further relates to an air flotation oven for battery pole pieces. Background technique [0002] In the production of lithium-ion electrodes, the corresponding electrode materials are generally coated on copper foil or aluminum foil to form battery pole pieces. The coated substrate needs to be dried in an oven, and then rolled into the next process. [0003] In the production process of lithium battery pole pieces, the air flotation oven is widely used, which can solve the problem of uneven heating and damage to the substrate in the traditional mechanically supported oven; The airflow supports the substrate, so that the electrode sheet runs smoothly in the oven, and the substrate is heated and dried by the high-temperature airflow. [0004] Once the base material stops running due to failure, the high-temperature airflow will continue to blow to the same position of the...

AI Technical Summary

Problems solved by technology

[0006] The above scheme can prevent the hot air from continuously blowing onto the substrate, but the mechanical roller directly contacts the lower surface of the substrate, which will pick up the slurry on the surface of the substrate, affect the quality of the finished substrate, and cause damage to the substrate. The solution cannot meet the requirements of double-sided coating

[0007] For those skilled in the art, how to design an oven that can avoid the impact of stopping the tape on the substrate slurry is a technical problem that needs to be solved at present.

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