Permanent magnet synchronous motor rotor punching sheet structure for compound electric motorcycle and rotor of permanent magnet synchronous motor rotor punching sheet structure

The invention discloses a permanent magnet synchronous motor rotor punching sheet structure for a compound electric motorcycle, which comprises a punching sheet body, the punching sheet body is divided into a plurality of fan-shaped areas with the same shape and size, the fan-shaped areas are provided with groove groups close to arc edges, and each groove group comprises an inner-layer groove body and an outer-layer groove body which are respectively used for installing magnetic steel; the inner-layer groove body comprises two inner-layer side grooves which are symmetrically arranged by taking the center line of the fan-shaped area as the center, the two inner-layer side grooves are arranged in a V shape, an opening of the V shape formed by the two inner-layer side grooves is arranged towards the arc edge of the fan-shaped area, the two inner-layer side grooves are both arc-shaped, and the two inner-layer side grooves are arranged in a V shape. Inner-layer middle magnetic isolation grooves are formed in the e