Electric automatic spraying device

The invention discloses an electric automatic spraying device which comprises a spraying tower and a water tank, the water tank is fixedly connected to the lower end face of the spraying tower, a water pump is fixedly installed on the side wall of the spraying tower, a water inlet pipe is fixedly connected to the output end of the water pump, and the other end of the water inlet pipe penetrates through the side wall of the spraying tower and is connected with a connecting pipe; and the side wall of the water inlet pipe is fixedly connected with an annular clamping plate. Water in a water tank is introduced into a water inlet pipe through a water pump, then enters a servo motor through a connecting pipe and is sprayed out through a spray head, and waste gas is subjected to spraying and dust falling; through cooperative arrangement of a servo motor, a first bevel gear, a second bevel gear, a rotating rod, a first driving wheel, a first transmission belt, a first driven wheel, a rotating rod, a first gear, a sec