The invention discloses a receiving device of electrostatic spinning. The receiving device comprises an electric motor, a rotor cage with rotation radius and a support, wherein the electric motor is connected with the rotor cage through a rotating shaft, the electric motor and the rotor cage are arranged on the support, the rotor cage is a sliding block connecting rod hinge mechanism, the sliding block connecting rod hinge mechanism comprises a connecting rod assembly which is used for receiving deposited nanofiber and sliding block assemblies which are positioned at two ends of the connecting rod assembly, the two ends of the connecting rod assembly are respectively hinged to the sliding block assemblies, the sliding block assemblies are axially sleeved on the rotating shaft in a sliding way and are in synchronous rotation with the rotating shaft, the radial distance between the connecting rod assembly and the rotating shaft is used as the rotation radius, the axial length of the connecting rod assembly is less than or equal to the axial length of the sliding block assemblies, and the sliding block assemblies slide along two ends or the center of the rotating shaft. According to the receiving device disclosed by the invention, nanofiber assemblies in various types comprising a three-dimensional nanofiber assembly with controllable porosity degree can be received, the application prospect is wide, and the receiving device disclosed by the invention is simple in structure and easy to operate.