Automatic amending apparatus for winding thickness of battery sheet, Winding apparatus for secondary battery includig the same, and automatic amendig method there of

摘要

PURPOSE: An automatic correction device of a battery sheet is provided to automatically and accurately correct the thickness and density of battery coating layer. CONSTITUTION: An automatic correction device of a battery sheet comprises: upper/lower rollers(20,30) which presses a coating layer by transferring the battery sheet(1) to the roller side(10); left/right control screws(80) which corrects left and right interval between the upper/lower rollers; a thickness sensor(100) for measuring the thickness of left and right coating layers; left/right motors(200) which automatically corrects left/right interval between the upper/lower rollers; and a controller(300) which automatically controls left/right motors.