Insect prevention white coating device for tree protection

The utility model discloses an insect prevention white coating device for tree protection, which relates to the technical field of tree white coating and comprises a base, a material pumping machine is arranged above the base, a discharging barrel is arranged above the material pumping machine, a discharging pipe is arranged on the discharging barrel, the other end of the discharging pipe is connected with a connecting ring, and a coating head is arranged on one side, close to the middle, of the connecting ring. A supporting block is arranged above the base, supporting plates are symmetrically arranged on one side of the supporting block, a lifting motor is arranged above the supporting plates, a sliding rod is arranged on the lifting motor, the two ends of the sliding rod are connected with the supporting plates, and a sliding block is arranged on the surface of the sliding rod. According to the automatic tree whitewashing device, the coating is conveyed to the coating head on the connecting ring through the