Paper collecting device of printing machine

The utility model discloses a paper collecting device of a printing machine, relates to the technical field of printing machines, and aims to solve the problem that the existing paper collecting device of the printing machine is poor in working performance, the paper collecting device of the printing machine comprises a base, a printing machine is fixed on the top of the base through screws, and a receiving box body is arranged on one side of a paper outlet of the printing machine. The receiving box body is fixed to the top of the base, a paper receiving cavity and a drying cavity are sequentially formed in the receiving box body from left to right, a paper receiving plate is slidably connected to the interior of the paper receiving cavity and corresponds to a paper outlet of a printing machine, paper is stacked on the top of the paper receiving plate, and lead screws are arranged at the four corners in the paper receiving cavity. According to the paper receiving device, printed paper can be efficiently recei