Pole piece pressing roller, pole piece rolling device and winding battery cell manufacturing equipment

The utility model relates to the technical field of batteries, and discloses a pole piece pressing roller, a pole piece rolling device and wound battery cell manufacturing equipment, the pole piece pressing roller comprises a roller body and a protruding structure, the roller body comprises a cylindrical first supporting piece and a cylindrical second supporting piece, the second supporting piece is arranged on the outer side of the first supporting piece in a sleeving mode, and the protruding structure is arranged between the first supporting piece and the second supporting piece; a flexible piece is arranged between the first supporting piece and the second supporting piece, and the protruding structure is arranged on the outer side of the second supporting piece. According to the pole piece compression roller provided by the embodiment of the invention, the reliability of the battery monomer is improved.