Stator core punching sheet and stator core

The utility model discloses a stator core punching sheet, which belongs to the field of motors and comprises a yoke portion and a plurality of tooth portions, the yoke portion is annular, the tooth portions are distributed on the inner side of the yoke portion at intervals along the circumferential direction of the yoke portion and are fixedly connected with the yoke portion, each tooth portion comprises a body and two side wings, and the two side wings are arranged on two sides of one end of the body far away from the yoke portion. And a gap is formed between two opposite side wings on two adjacent tooth parts. According to the invention, the projection on each tooth part is embedded into the groove of one yoke part, that is, the yoke parts and the tooth parts are connected more firmly through interference fit, and in addition, a gap is formed between the two opposite side wings located on the two adjacent tooth parts, so that insulation paper can be conveniently inserted to block insulation paint of the sta