Detachable film rolling roller

The utility model discloses a detachable film rolling roller which is formed by connecting a film rolling roller body with a film rolling roller center shaft, wherein the film rolling roller body sleeves the film rolling roller center shaft, is fixed through a cross positioning key, and comprises an upper circular steel plate and a lower circular steel plate which are arranged at both ends of the film rolling roller center shaft; a thin-walled square steel tube and a central sleeve are arranged between the upper circular steel plate and the lower circular steel plate; film pickup spring teeth are arranged on the thin-walled square steel tube, so that a film rolling device is optimized in structure and is more convenient to use, while the condition that a residual film winds an output shaft and a universal joint during film rolling is avoided; the distribution mode of the film pickup spring teeth can avoid mud winding; the connection mode of the film rolling roller center shaft, the output shaft and a film rolling adjuster greatly facilitates the detachment and maintenance of the film rolling roller; through the matching mode of the film rolling roller center shaft and the film rolling roller, the film rolling roller is stable in service performance and convenient to operate.