Anti-overpressure lithium battery pole piece rolling device and method

The invention discloses an anti-overpressure lithium battery pole piece rolling device and method, and relates to the field of pole piece thinning, the rolling device comprises a fixed seat, a thickness measuring device, a movable dust collection unit, a thinning unit, a dust removal unit and a roller are sequentially arranged on the fixed seat in the pole piece conveying direction, the thickness measuring device can measure the thickness of a pole piece, and the movable dust collection unit can measure the thickness of the pole piece. The thinning unit can be used for treating the pole piece into a standard thickness, the movable dust collection unit can be used for collecting dust falling in the pole piece treatment process, and the dust removal unit can be used for carrying out secondary dust collection treatment on the surface of the pole piece; according to the invention, a plurality of bad incoming materials are pretreated, the super-thick pole piece is treated to be in a standard thickness, and the sup