Diamond electric knife sharpener

The utility model relates to a diamond electric knife sharpener which comprises a machine body composed of an upper cover and a lower bottom, and a switch hole positioned on the upper cover, wherein, a touch switch is arranged in the switch hole, knife edges with positioning faces are arranged on the upper cover, and the knife edges are positioned on both sides of a knife sharpening wheel which is installed on a motor shaft and is arranged in the machine body; the upper and the lower parts of a partition board are fixedly arranged on the lower bottom and are arranged in the machine body, one side of the partition board is a knife sharpening wheel chamber, and the other side is a motor chamber; a motor is arranged on a load bearing rib of the lower bottom, a positioning pin is arranged on the motor shaft, the head of the positioning pin is fixed through a power silk, and the tail of the positioning pin is provided with a flat mouth; the position of the lower bottom, which is perpendicular to the knife sharpening wheel, is provided with an iron chip outlet. The diamond electric knife sharpener uses the low-speed motor to replace a speed reducing box, uses a diamond electroplating wheel to eliminate the abrasion of a grinding wheel and has the advantage of safe operation, and the sharpened blades are sharp.