Cutting machine capable of conveniently adjusting cutting distance and used for cutting PET film in PCB machining

The utility model discloses a cutting machine capable of conveniently adjusting a cutting distance for cutting a PET (Polyethylene Terephthalate) film in PCB (Printed Circuit Board) processing. The cutting machine capable of conveniently adjusting the cutting distance and used for cutting the PET film in the PCB machining process comprises a base, a cutting mechanism and a cutting mechanism, wherein the base is provided with an adjusting mechanism; the adjusting mechanism comprises a supporting block fixedly installed on the top of the base, a motor is arranged on one side of the supporting block, a rotating rod is rotationally installed on the supporting block, a connecting block is fixedly installed on one side of the supporting block, a through opening is formed in the top of the connecting block, a first sliding rod is fixedly installed in the through opening, and a second sliding rod is fixedly installed in the first sliding rod. And a transmission block is fixedly mounted on the rotating rod. The cuttin