Edge folding mechanism in single-face film sticking machine

The utility model provides an edge folding mechanism in a single-sided laminator, which comprises a cylinder, a U-shaped frame arranged at the movable end of the cylinder and a pressing roller rotationally arranged in the U-shaped frame, the pressing roller is of a hollow structure, the outer surface of the pressing roller is wrapped with two semicircular covers, the outer surfaces of the semicircular covers are provided with detachable sponge mats through magic tapes, and the two semicircular covers are provided with the detachable sponge mats through the magic tapes. Two supporting rods arranged in the diameter direction of the pressing roller are symmetrically installed on the inner surface of the semicircular cover, the ends, away from the semicircular cover, of the supporting rods extend into the cylinder sleeve, pistons slidably connected with the cylinder sleeve are installed at the ends, located in the cylinder sleeve, of the supporting rods, and a hollow pipe communicated with the pressing roller is