Cutting mechanism for PE heat shrinkage film production

The utility model discloses a cutting mechanism for PE heat shrinkage film production, which comprises a base, hook rods are fixedly connected to the front end and the rear end of the leftmost side of the top of the base, a heat shrinkage film winding drum is arranged between the hook rods, and a cutting table is fixedly connected to the middle of the top end of the base. Third fixing supports are fixedly connected to the front end and the rear end of the middle of the top of the cutting table, a cutter block fixing rod is arranged between the third fixing supports, and the rear end of the cutter block fixing rod is rotationally connected with the third fixing supports. According to the utility model, the inserting bolt is separated from the third fixing bracket and the clamping cover by pulling the inserting bolt leftwards, so that the clamping cover can clockwise rotate by 90 degrees, then the handle is grasped to upwards rotate the knife block fixing rod, and when the front end of the knife block fixing ro