Mechanical automatic grinding and polishing machine

The utility model relates to the technical field of grinding and polishing machines, in particular to a mechanical automatic grinding and polishing machine which comprises an operation table, an n-shaped fixing frame and a grinding mechanism are fixedly installed on the surface of the operation table, a long hole is formed in the surface of the operation table, and a connecting frame is connected into the long hole in a sliding mode. And a fixing mechanism used for clamping and fixing a wood board is arranged on the surface of the connecting frame. Through the arrangement of the fixing mechanism and the driving mechanism, plates can be automatically fixed and moved, the plates of different sizes can be fixed, practicability is enhanced, and the plates are driven by a motor in the moving process, so that the moving speed is uniform, the plates are in uniform contact with the grinding rollers, and the grinding efficiency is improved. And in addition, generated chippings can be absorbed through the arranged dust