Plastic part paint spraying oven

The plastic part paint spraying oven comprises an inner container, an outer shell, an oven door, a placing plate, a supporting plate and a heating assembly, the supporting plate is embedded in two sliding grooves in a sliding mode, the first face of the supporting plate is movably connected with one face of the placing plate in an abutting mode, at the moment, the supporting plate seals one side of a placing hole in the placing plate, and the heating assembly is arranged on the outer shell. Plastic parts can be placed in the placing holes, the supporting plate plays a role in supporting the plastic parts, then the plastic parts are placed in the containing cavity and baked and dried through the heating assembly, after baking is completed, the placing plate is taken out, the placing plate is placed on an external collecting disc, the supporting plate is taken out of the sliding groove, and the plastic parts in the placing holes are not supported by the supporting plate. The plastic parts in all the containing