Cutting machine for cutting adhesive film or backboard of photovoltaic module

The utility model relates to the technical field of photovoltaic module processing, in particular to a cutting machine used for cutting a glue film or a back plate of a photovoltaic module, which comprises a cutting machine body, sliding rails are connected to two sides of the cutting machine body, a through groove is arranged on one side of each sliding rail, two bases are arranged above the cutting machine body in parallel, a first sliding block is slidably connected in each sliding rail, and a second sliding block is arranged in each sliding rail. The first sliding block is connected with the two ends of the bottom of the base, a threaded hole is formed in the middle of the first sliding block, a limiting pin is sleeved with the threaded hole, a lead screw is sleeved with the base and rotationally connected with the base, two symmetrical threads are formed in the lead screw from the center to the two ends, the two threads of the lead screw are sleeved with connecting blocks, and the connecting blocks are i