Checking equipment for cylindricity of spinning rear service special ware leather roller mandrel

The invention discloses checking equipment for the cylindricity of a spinning rear service special ware leather roller mandrel. The checking equipment comprises a substrate and a leveling detection panel, wherein a detection member base is arranged on the leveling detection panel, a detection positioning member is arranged on the detection member base, a detection special ware is arranged on the detection positioning member, and a plug gage is arranged on the detection special ware; a leveling bolt is arranged below the leveling detection panel; the detection member base is fixed on the leveling detection panel by a counterbore screw; the detection member base comprises a bottom plate and a stripe plate, and a groove is formed in the middle of the stripe plate; the detection positioning member is arranged in the groove by a positioning rod and comprises a plugboard and a convex plate, and a convex groove is formed in the middle of the convex plate; and the detection special ware is in an inverted-T-shape member, a semicircular groove is formed in the upper part of the inverted-T-shaped member, the inverted-T-shaped member is arranged in the convex groove, and the inner diameter of the semi-cylindrical groove has multiple specifications. The checking equipment has the characteristics of being simple in operation, accurate in checking and convenient to use, and can greatly promote improvement of the quality of products in the textile industry in application.