Digital printing machine capable of improving color precision

The utility model discloses a digital printing machine capable of improving color precision, and relates to the technical field of digital printing machines. The digital printing machine comprises a supporting frame and a digital printing machine body fixed to the supporting frame, a printing platform is fixed to the supporting frame, transmission rollers are connected to the positions, on the two sides of the printing platform, of the supporting frame through bearings, an unwinding roller and a winding roller are connected to the two sides of the supporting frame through bearings correspondingly, and a tensioning roller is arranged on one side of the supporting frame; the tensioning roller is connected with the supporting frame through an elastic assembly. When the textile is conveyed through the unwinding roller and the transmission roller, the tensioning roller can tension the textile under the action of the elastic assembly, so that the textile can smoothly pass through the printing platform, wrinkles of