Improved winding device of coating machine

The utility model discloses an improved winding device of a coating machine, which relates to the technical field of coating machines and comprises a coating machine collector, a first mounting plate is fixedly mounted at the top end of one side of the coating machine collector, a power shaft is detachably mounted on one side of the first mounting plate, a coating winding roller is detachably mounted on one side of the power shaft, and the coating winding roller is detachably mounted on the other side of the first mounting plate. A limiting groove is formed in the top end of one side of the coating winding roller, and a sliding groove is formed in the limiting groove. Through cooperation of a coating winding roller, a limiting groove, a sliding groove, a sliding adjusting block, a threaded hole, a fastening threaded rod and a rotating disc, the effect of limiting and arranging coating in the coating winding process is achieved, fixing operation is conducted through sliding of the sliding adjusting block and t