Paper collecting device used in cooperation with four-color printer

The utility model discloses a paper collecting device used in cooperation with a four-color printer. The device comprises a bottom plate and moving wheels, a mounting frame in the vertical direction is fixed to the upper surface wall of the bottom plate, a plurality of protrusions are arranged on the mounting frame, a tapping point is arranged on one side of the mounting frame, a plurality of containing plates are arranged on the other side of the mounting frame, and a plurality of through holes are formed in the containing plates. According to the utility model, the structure is simple, a bulge is arranged on the side wall of the mounting frame; the placing plate is rotationally connected with the bulge through a rotating shaft; layered placement of paperboards is realized; the electric small fans are arranged on the lower surface wall of each containing plate, airing of the paperboards can be accelerated, through the arrangement of the air pump, the communicating pipes, the tapping points, the hoses, the fa