Plastic product film pasting device convenient to install

The utility model relates to the technical field of plastic product film pasting, in particular to a plastic product film pasting device convenient to install, which comprises an air cylinder pressing seat, a bottom cavity is arranged at the bottom of the air cylinder pressing seat, and the air cylinder pressing seat and a film pasting pressing disc which are capable of reducing the distance through relative displacement can utilize an inclined push arm to push a roller to slide towards the side edge along a sliding groove. The plastic product surface film pasting stability of the plastic product surface film pasting device is effectively improved, film pasting and installation of the film are facilitated, an air cylinder pressing base is synchronously pressed on a disc film cutting knife downwards, an outer ring film cutting knife is pushed to compress a top spring to move downwards along the surface of a film pasting pressing disc, and film pasting is completed. According to the device, the outer ring film