Electrostatic spinning machine for laboratory teaching

The utility model discloses an electrostatic spinning machine for laboratory teaching. The device comprises a control case, a high-voltage power supply device, an acceleration and balance electric field chamber, a spinning needle, a liquid supply device and a spinning receiving plate, the accelerating and balancing electric field chamber comprises a first supporting plate and a second supporting plate which are arranged at intervals; a cylindrical electrostatic shielding cover and an isolation circular pipe are arranged between the first supporting plate and the second supporting plate; a wireoutlet communicated with the isolation circular pipe is formed in the first support plate; a spinning needle insertion hole is formed in a position, corresponding to the circle center of the isolation circular tube, of the second support plate; a hollow copper pipe is arranged at the spinning needle inserting hole and extends to the spinning cavity, a bowl-buckle-shaped copper sheet is arranged at the tail end of the hol