Grinding wheel regulating valve provided with grinding wheel lubricating mechanism

The utility model discloses a grinding wheel regulating valve provided with a grinding wheel lubricating mechanism. The grinding wheel regulating valve comprises a valve body, a valve cover, a valve rod, a grinding wheel mechanism and a valve rod rotation driving mechanism, wherein the grinding wheel mechanism comprises a movable grinding wheel and a static grinding wheel which are matched with each other; the grinding wheel regulating valve also comprises the grinding wheel lubricating mechanism; an oil filling center hole is formed in the center of the lower end face of the static grinding wheel; the upper surface, opposite to the movable grinding wheel, of the static grinding wheel, is provided with an annular oil groove in the periphery of a through hole of the static grinding wheel; an oil conveying passage for communicating the annular oil groove with the oil filling center hole is arranged inside the static grinding wheel; the lower part, opposite to the static grinding wheel, of the valve body, is fixedly provided with an oil filling connecting pipe; the inner end of the oil filling connecting pipe is hermetically inserted and located in the oil filling center hole of the static grinding wheel; the oil filling connecting pipe is provided with an oil feeding opening for supplying oil to the oil filling connecting pipe. The grinding wheel regulating valve disclosed by the utility model has the advantages of reducing abrasion between the movable grinding wheel and the static grinding wheel and being high in running accuracy, more stable and long in service life.