Air cylinder hoisting device for film coating

The utility model discloses an air cylinder hoisting device for coating, which comprises a hoisting frame, an air cylinder, an H-shaped solid iron plate, a moving plate, a linear guide rail, a hoisting assembly, a floating joint, a metal plate and a top plate, the lower part of the hoisting frame is provided with the vertically arranged air cylinder, the hoisting frame is vertically provided with the H-shaped solid iron plate, and the moving plate is arranged on the H-shaped solid iron plate. The moving plate is slidably connected with the H-shaped solid iron plate through a linear guide rail, a hoisting assembly is installed on the moving plate, a piston rod of the air cylinder is fixedly connected with the hoisting assembly through a floating connector, metal plates are arranged around the air cylinder, and a top plate is packaged on the top of the hoisting frame. By means of the mode, the frame is stable and firm in structure, the tensile strength of the frame is improved, danger caused by overlarge bearin