Sand cleaning and piece taking device of 3D printer

The utility model discloses a 3D printer sand cleaning and piece taking device which comprises a box body, a lifting device is arranged on the upper surface of the interior of the box body, a mounting plate is mounted on the upper surface of the lifting device, a motor is mounted in the center of the lower surface of the mounting plate, sand outlets are formed in the lower portions of the two sides of the outer wall of the box body, and the sand outlets are communicated with the motor. A mounting seat is mounted below the sand outlet, a safety door is arranged on the front end face of the box body through hinges, a control panel is arranged above the safety door, anti-skid bases are mounted at the four corners of the lower surface of the box body, and a through hole is formed in the center of the upper surface of the box body; and air spraying pipes are arranged above the outer walls of the two sides of the box body. According to the printing model cleaning device, residual fine sand on a printing model can b