Rapid grinding wheel pressing mechanism

The invention discloses a rapid grinding wheel pressing mechanism. The rapid grinding wheel pressing mechanism comprises a pressing mounting base and two or more pressing assemblies, wherein the pressing mounting base is provided with grooves cooperating with the pressing assemblies and a mounting hole used for cooperating with a grinding machine spindle, the pressing assemblies comprise racks, gears, handles, connecting blocks, connecting rods and pressing blocks, the racks are arranged in the grooves, one ends of the racks are fixedly connected with the connecting blocks, the other ends of the connecting blocks are hinged to the connecting rods, the other ends of the connecting rods are hinged to the pressing blocks, the handles are fixedly connected with the gears and are connected to the pressing mounting base through pin shafts, the gears are meshed with the racks, and the pressing blocks are in shaft connection with the pressing mounting base. According to the to the rapid grinding wheel pressing mechan