Surface-mounted large-torque permanent magnet synchronous motor rotor structure without silicon steel sheets

The invention discloses a surface-mounted large-torque permanent magnet synchronous motor rotor structure without a silicon steel sheet, and relates to the technical field of motors, the surface-mounted large-torque permanent magnet synchronous motor rotor structure without the silicon steel sheet comprises a rotating shaft, and the surface of the rotating shaft is sleeved with a rotor sleeve; rotor supporting end plates are connected outside the protruding blocks through circular grooves in a sleeving mode and connected with the rotor sleeves, rotor aluminum pressing strips are inserted into straight grooves formed in the outer surfaces of the rotor sleeves, permanent magnets are inserted between the adjacent rotor aluminum pressing strips, and the permanent magnets are fixed into the hexagonal cavities through the structure, so that positioning is easy and convenient when the permanent magnets are installed; in addition, the rotating shaft and the rotor sleeve are arranged to be of a hollow structure, the r