Paper collecting mechanism of single-color printing machine

The utility model relates to the technical field of printing machines, and discloses a paper collecting mechanism of a single-color printing machine, which comprises a hollow box and a fixed base, the fixed base is arranged on one side of the hollow box, and a thickness adjusting mechanism is arranged on the hollow box; a conveying mechanism is arranged on the fixed base; the conveying mechanism comprises a conveying assembly and an elastic finger pressing assembly; a limiting groove is formed in the top surface of the fixed base, and two conveying cylinders are mounted in the limiting groove; the elastic finger pressing assembly comprises six connecting rods, and the six connecting rods are all mounted on the top surface of the fixed base; the six connecting rods are connected with the bottom surface of the pressing plate; the top ends of the six connecting rods are all provided with clamping blocks, and the six clamping blocks are all located on the top surface of the pressing plate. The connecting rod is s