Grinding machine for valve

The utility model discloses a grinding machine for a valve, which relates to the technical field of valve processing and particularly comprises a quadrilateral frame, a supporting plate is arranged at the top of one end of the quadrilateral frame, second supporting rods are arranged at the bottoms of two sides of the supporting plate, and the second supporting rods are fixedly mounted in the quadrilateral frame. Second springs are arranged at the tops of the two ends of the second supporting rod correspondingly and located between the second supporting rod and the supporting plate, fixing bases are coaxially and fixedly installed at the two ends of the second springs correspondingly, and the second springs are connected with the supporting plate at the two ends and the second supporting rod through the fixing bases correspondingly. A vibration motor is fixedly installed at the horizontal center of the bottom face of the supporting plate, and a material distribution box is arranged above the supporting plate.