The utility model discloses an evenly spray dust removal sand blasting machine, including sand blasting chamber, recovery unit, motor, spray gun, discharge gate, slide rail and knockout drum, the slide rail is located the inner wall of sand blasting chamber, and slide rail sliding connection motor, and the motor is elevator motor, and the motor sets firmly on the support frame, the spray gun has set firmly on the support frame, also be equipped with the workstation in the sand blasting chamber simultaneously, the sand blasting chamber bottom is equipped with the discharge gate, and the discharging pipe is connected to the discharge gate, the discharging pipe passes through screw thread interface connection recovery unit, recovery unit includes waste material cover, induced duct, off -line pulse dust collector, draught fan and air volume regulator, and screw interface connection waste material cover, the discharge gate of waste material cover pass through the induced duct with off -line pulse dust collector's feed inlet and feed through mutually, the utility model provides the quality of product is guaranteed to high sandblast precision, and dust removal effect is good, has reduced the dust discharge, reduces atmosphere dust pollution, and dust removal effect is good, the safeguard environment.