Electrostatic spinning spray nozzle capable of achieving quick multi-needle-tip positioning

The invention relates to an electrostatic spinning spray nozzle capable of achieving quick multi-needle-tip positioning and relates to electrostatic spinning. The spray nozzle comprises an upper coverplate, a needle tip mounting plate, an electric conduction plate, a needle tip array and an air cover; the upper cover plate is provided with a liquid inlet and connected with a liquid supply devicethrough a hose; the needle tip mounting plate is of a step structure, the step height difference is identical to the height difference of needle tips at the corresponding positions, and the needle tipmounting plate is provided with a needle tip positioning hole; the electric conduction plate is connected with a positive electrode of a high-voltage supply source and is of a separated structure; the needle tip array is provided with the needle tips distributed in an arc array, the needle tip at the middle position of the needle tip array is located at the lowest point, and the needle tips of the two sides of the needle t