Screw tap thread grinder with trimming mechanism

The invention discloses a screw tap thread grinding machine with a finishing mechanism, belongs to the technical field of electric spark machining, and is characterized in that the screw tap thread grinding machine with the finishing mechanism comprises a workbench, a clamping mechanism connected with the workbench, a protective shell connected with the workbench, and a grinding device connected with the protective shell; a feeding mechanism enabling the screw tap to move along the axis of the feeding mechanism and a moving mechanism enabling the screw tap to move in the direction perpendicular to the axis of the screw tap are arranged between the workbench and the clamping mechanism, the moving mechanism is connected with the workbench, the bottom of the feeding mechanism is connected with the moving mechanism, and the clamping mechanism, the moving mechanism and the feeding mechanism are covered with the protective shell. The grinding device comprises a grinding wheel for grinding the screw tap and a first