Chamfering and grinding device

The utility model relates to a chamfer grinding device in the technical field of grinding equipment. The chamfering and grinding device comprises a base and further comprises two sets of mechanical arms, two sets of abrasive discs and two sets of grabbing structures, the mechanical arms and the grabbing structures are symmetrically arranged on the two sides of the abrasive discs, each grabbing structure comprises a pneumatic device, a buffer assembly and a suction cup, and the suction cups are connected with the ends of the mechanical arms through the buffer assemblies. The suction cup is further connected with a pneumatic device through an air pipe, and the pneumatic device is used for exhausting air between the suction cup and the workpiece. A to-be-ground workpiece is grabbed through one grabbing structure and moves to make the to-be-ground workpiece make contact with the abrasive disc, so that one face of the to-be-ground workpiece is ground or chamfered, then the to-be-ground workpiece is grabbed away th