Automatic grind mechanism

The utility model relates to an automatic grind mechanism belongs to grinding device technical field, including grinding groove, grinding rod, characterized by: still include cam, driving motor, push -and -pull rod, first pivot, driving motor is connected through belt transmission with the cam, the great one end of cam diameter is equipped with bellied second pivot, the one end of push -and -pull rod and grinding rod hinged joint, the other end are equipped with changes the hole, and the push -and -pull rod is through changeing the borehole jack in the second pivot, and the push -and -pull rod can rotate around the second pivot, be equipped with excellent hole on the grinding rod, excellent borehole jack is in first pivot, and the grinding rod can rotate around first pivot, grinding groove, cam, first pivot all set up and support in the frame. The utility model discloses rational in infrastructure simple, manufacture easy, convenient to use, through the utility model discloses, efficiency of grinding has been