Device for trimming side edges of printed magazines

The utility model discloses a magazine printing rear side edge trimming device, which belongs to the technical field of printing cutting and comprises a workbench, four groups of supporting legs and cutters, the four groups of supporting legs are fixedly connected to the bottom of the workbench in an array shape, the cutters are positioned above the workbench, and two groups of sliding chutes which are symmetrical front and back are formed in the top of the workbench. Sliding blocks are slidably connected into the sliding grooves, a rod groove is formed between the two sets of sliding groovesin a communicating mode, a connecting rod is arranged in the rod groove and fixedly connected between the two sets of sliding blocks, a first electric push rod is fixedly connected to the left side ofthe connecting rod and installed on the left side of the workbench, and a leveling base is fixedly connected to the tops of the two sets of sliding blocks. An air cavity is formed in the leveling base and communicated with th