Edge cutting device for plastic film processing

The utility model discloses a plastic film processing trimming device which comprises a base, the top of the base is fixedly connected with a second side plate, the top of the base is fixedly connected with a first side plate, a sliding lifting mechanism is arranged in the second side plate, and an auxiliary lifting mechanism is arranged in the first side plate. First rotating discs are rotationally connected to the corresponding sides of the sliding lifting mechanism and the auxiliary lifting mechanism correspondingly, first connecting rods are fixedly connected to the interiors of the two first rotating discs, cutters are connected to the outer sides of the first connecting rods in a sleeving mode, and second connecting rods are fixedly connected between the first side plate and the second side plate; the plastic film cutting device has the beneficial effects that through the second side plate, the first sliding block, the first threaded rod and the first servo motor, the first connecting rod and the cutter