Automatic stirring system for white ink jet printing machine

The invention discloses an automatic stirring system for a white ink jet printing machine. The automatic stirring system for the white ink jet printing machine comprises an ink mixing tank assembly and an ink circulation loop, wherein an inlet and outlet end of the ink mixing tank assembly communicates with an inlet and outlet end of the ink circulation loop; the ink mixing tank assembly comprisesa mixing tank body, an ink drawing device and a stirring inlet connector; the mixing tank body is in an inverted cone shape or a frustum shape; the bottom part in the mixing tank body is in a cylindrical shape; a stirring outlet tangent to the side surface of the inner bottom part of the mixing tank body is formed in the bottom part of the mixing tank body; one end of the ink drawing device communicates with the mixing tank body; the other end of the ink drawing device communicates with the ink circulation loop; and one end of the stirring inlet connector is connected with the stirring outletin a matching way. The au