Mixing and stirring tank for producing printing ink

The utility model discloses a mixing and stirring tank for producing printing ink, which comprises a tank body, a sealing cover and a stirring assembly, two side walls of the tank body are respectively provided with an air cylinder I, two sides of the bottom of the sealing cover are arranged at the output ends of the air cylinders I, and the top of the tank body is provided with an opening. According to the scheme, through the arranged stirring assembly, a stirring rod is driven to rotate, so that a rotating rod is driven to rotate, a gear is driven to roll on a gear ring, the gear is driven to rotate, the rotating rod is driven to rotate, stirring blades are driven to rotate, ink raw materials are stirred and mixed, meanwhile, a second air cylinder is started, a disc is driven to ascend and descend in a reciprocating mode, and a sliding rod is driven to ascend and descend in a reciprocating mode; the stirring blades can act on different depths of the printing ink raw materials, the printing ink raw materials