Air inlet device of coating machine

The utility model relates to the field of air intake of coating machines, and discloses an air intake device of a coating machine, which comprises a box body, a box door and a control panel, the box door is arranged at the center of the front end face of the box body, the control panel is arranged at the center of the front end face of the box door, a feed hopper is arranged at the center of the upper end face of the box body, and an air intake mechanism is arranged at the rear end of the box body. A discharging mechanism is arranged on one side of the box body, air inlet buckets are arranged at the positions, close to the two sides, of the center of the rear end of the upper end face of the box body, a purifying mechanism is arranged in the discharging mechanism, a screening net is arranged at the position, close to the lower portion, of the center in the box body, and four supporting legs are arranged on the lower end face of the box body, the lower end face of the discharging mechanism and the lower end fa