Three-primary-color dye screening and synthesizing equipment for food packaging paper

The utility model discloses three-primary-color dye screening and synthesizing equipment for food packaging paper, which comprises a main box body, a screening assembly for screening the three-primary-color dye for the food packaging paper and a synthesizing assembly for synthesizing the dye, and the bottom of the main box body is fixedly connected with a left supporting leg and a right supporting leg. A reprocessing assembly is arranged at the position of a feeding port in the top of the main box body and used for resmashing screened dye with large particles, a spraying mechanism is further arranged in the main box body, and the spraying mechanism comprises a left rotating rod and a right rotating rod. According to the screening and synthesizing equipment for the three-primary-color dye for the food packaging paper, when the three-primary-color dye enters the main box body, other synthetic solvents such as water for mixing are added through the spraying mechanism, so that the dye can be mixed with the solven