The utility model provides middle part that an it revolves indulging among post processingequipment and moves adjustable grinding machanism to be applied to chain, over -and -under type held the flitch has vertically concatenated a location bull stick through the bearing, and the bottom fastening of location bull stick has a prismatic size to hold the material axle, and the flitch was held to the over -and -under type left and right sides face is connected with a pair of rail wheel respectively, whenever can correspond the roll to the rail wheel and runs on in every assemblage formula saddle board on two longitudinal rails in front and back, polishing cylinder can cup joint in the lateral wall of the stone pillar body peripherally, and the upper and lower both sides side of polishing cylinder lateral wall is provided with a plurality of fastening blocks respectively, and a plurality of diaphragm orifices have been offered to polishing cylinder's lateral wall, and every diaphragm orifice correspondence concatenates a regulating plate, and the medial extremity of every regulating plate has all fastened the superimposed multilayer diamond segments of a plurality of fastenings, polishing cylinder's lateral wall fastening has many horizontal die -pins. The utility model has the characteristics of novel structure, the combination is compact, the process velocity is fast, work efficiency is high, operation is stable, processingquality is unified, process quantity greatly increased, greatly reduced processing cost.