Mixing device for preparing 3D printing liquid photosensitive resin material

The utility model relates to the field of photosensitive resin material preparation equipment, in particular to a material mixing device for preparing a 3D printing liquid photosensitive resin material. The material mixing device comprises a material mixing barrel, a feeding part, a driving part, a material mixing assembly, an electric discharging disc, a discharging pipe, a heating part, a temperature sensor and a controller, a mixing bin is arranged at the upper end of the mixing barrel, and a discharging bin is arranged at the lower end. The mixing assembly is arranged in the mixing bin and comprises an upper rotating rod, a lower rotating rod, a rotating frame and a rotating plate. And the electric discharging disc is rotationally arranged below the material mixing assembly. The material mixing assembly is arranged, the upper rotating rod and the lower rotating rod are driven by the driving piece to rotate independently, the rotating direction and speed are adjustable, and different material mixing requir