Needleless electrostatic spinning device

The invention discloses a needleless electrostatic spinning device. The device comprises a receiving ball, spinneret orifice pipes, an umbrella cover recovery device, a liquid storage tank, a tank cover, liquid supply pipes and liquid supply pumps, wherein the concave surface of the umbrella cover recovery device faces the receiving ball, the receiving ball is located at the upper part of the umbrella cover recovery device, the spinneret orifice pipes are arranged on the inner side of the concave surface of the umbrella cover recovery device, a plurality of spinneret orifices are densely distributed on pipe bodies of the spinneret orifice pipes, the liquid supply pumps are connected with the spinneret orifice pipes through the liquid supply pipes, and the tail ends of the spinneret orificepipes are closed; a backflow gap is formed between the liquid storage tank and the tank cover and used for allowing a solution recovered by the umbrella cover recovery device to flow into the liquidstorage tank. In the speci