Chamfering device and chamfering method thereof

The invention provides a chamfering device and a chamfering method thereof. The chamfering device comprises a machine table, a fixing base, a moving mechanism and a cutting mechanism, wherein the fixing base is rotatably arranged on the machine table and used for fixing a target workpiece; the machine table is provided with a top surface, and a first direction and a second direction perpendicular to each other are arranged in the top surface; the moving mechanism is movably arranged on the machine table and comprises a first moving mechanism moving in the first direction and a second moving mechanism which is arranged on the first moving mechanism and moves in the second direction; and the cutting mechanism comprises a driving element and a grinding wheel, the first direction is parallel to the axis direction of the grinding wheel, the driving element is fixed to the second moving mechanism, and the grinding wheel is rotatably fixed to the driving element and can be abutted against the target workpiece. In th