Injection molding rotor containing magnetic body and motor adopting injection molding rotor

The invention provides an injection molding rotor containing a magnetic body and a motor adopting the injection molding rotor, and belongs to the technical field of motors with rotor cores of permanent magnets and magnetic circuit parts. Comprising first rotor punching sheets, second rotor punching sheets, magnetic bodies and injection molding materials, a plurality of first rotor punching sheets and second rotor punching sheets are axially laminated to form a rotor iron core, first magnet grooves are formed in the first rotor punching sheets, second magnet grooves are formed in the second rotor punching sheets, and the first magnet grooves and the second magnet grooves form accommodating spaces. The magnetic body is arranged in the accommodating space in a matched mode, the magnetic body extends to form an extending part, and injection molding materials are attached to the rotor iron core and the magnetic body. The motor has the advantages of being convenient to install, low in noise reject ratio, capable of