Automatic grinding machine

The utility model discloses an automatic grinding machine is provided with grinding module on the workstation, the workstation top is covered with the work cover, and workstation one side is provided with the transport module, and frame one side is provided with control module, be provided with the positioning base that is used for fixed sample in the transport module, work cover one side is provided with infrared orientation module and activity bin gate, activity bin gate sets up in work cover side, infrared orientation module is located the activity bin gate top, work is covered and is provided with dimidiate window, the window is the transparent configuration. Module and orientation module combination adopt to be carried in this application, can realize the autoinjection of sample and location and carry, are aided with position and quantity that infrared orientation module and activity bin gate can automatic monitoring advance kind simultaneously, present automatic operation, grinding module relatively fix