Spool with bottom seam

The utility model belongs to the technical field of diamond plating wire saw shaping, and particularly relates to a diamond plating wire saw shaping device which comprises a cylindrical bottom plate and side plates arranged at the two ends of the cylindrical bottom plate, and a plurality of bottom seams parallel to the axis are evenly distributed on a main body of the cylindrical bottom plate in the circumferential direction of the main body of the cylindrical bottom plate. A plurality of air holes are formed in the main body of the cylindrical bottom plate between the adjacent bottom seams; the side plate is an annular plate body, and a plurality of side seams are arranged on the annular plate body in a radial mode. The spool with the bottom seam provided by the utility model is simple in structure and convenient to implement, the bottom seam and the air holes are formed in the cylindrical bottom plate, so that moisture can be better discharged from the air holes and the bottom seam of the cylindrical bottom