Pressing device of battery cathode ring

Abstract

The invention provides a pressing device of a battery cathode ring. The pressing device comprises a material supply device, a pressure feeding mechanism and a feedback control system, wherein the material supply device is used for conveying a steel battery shell to a preset pressing station; the cathode of the steel battery shell is connected with a pressure sensor; the pressure feeding mechanism is used for pressing cathode particles into the cathode of the steel battery shell; the pressure feeding mechanism, the steel battery shell and the pressure sensor are positioned on the same vertical plane, and are axially arranged during pressing work; the feedback control system comprises a current frequency converter electrically connected with the pressure sensor, an analog-digital converter electrically connected with the current frequency converter, and a controller; the controller is electrically connected with the analog-digital converter and the pressure feeding mechanism respectively, and is used for controlling pressure of the pressure feeding mechanism to the cathode particles. The pressing device of the battery cathode ring has the advantage of improving the battery performance by controlling the pressure feeding pressure on the cathode particles.

Description

technical field [0001] The invention belongs to the technical field of battery production, and relates to a pressing device for a positive electrode ring of a battery. Background technique [0002] The pressing device for the positive electrode ring of the battery is used to make the positive electrode pellets into a positive electrode ring that meets the process requirements (density, strength, size specifications, etc.) under certain pressure conditions. In the battery production process, the electrical characteristics of the positive electrode region are one of the main factors that determine the overall performance of the battery, and the quality of the positive electrode ring is the key to this factor. A key device for improving performance. [0003] The structure design of the existing battery positive ring pressing device is unreasonable, and it usually directly sends the positive electrode pellets into the positive electrode of the battery (battery steel case) by th...

AI Technical Summary

Problems solved by technology

[0003] The structural design of the existing battery positive ring pressing device is unreasonable, and it usually directly sends the positive electrode pellets into the positive electrode of the battery (battery steel case) through the pressing structure, and does not control the pressure value of the positive electrode pellets, which directly affects the Battery capacity, positive ring installation quality, and production cost

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