The invention discloses a tool sharpener capable of automatic cleaning and good in
cooling effect. The tool sharpener comprises a shell and is characterized in that the shell is internally provided with a motor which is provided with a spindle, the spindle penetrates the shell, the end of the spindle, arranged on the periphery of the shell, is connected with a
sharpening blade, a
sharpening blade support is arranged between the
sharpening blade and the shell, a sharpening blade sleeve is arranged on the periphery of the sharpening blade, one side of the sharpening blade sleeve is arranged with a sharpening opening, a cleaning
brush is arranged between the sharpening blade and the inner wall, away from the sharpening opening end, of the sharpening blade sleeve, and a cooling water changing
pipe is arranged on the inner wall of the shell. The tool sharpener has the advantages of being cleaning automatically, good in
cooling effect, concise and tasty in structure, convenient to use, high in security, stable in operation performance, higher in operating efficiency, good in sharpening effect and low in cost, and convenient using conditions are provided for users.