The invention discloses a tool changer convenient to use. The tool changer comprises a protective frame, wherein a sliding rail is fixedly connected to the bottom of an inner cavity of the protectiveframe, first balls are respectively in sliding connection with the circumference of the center of the inner cavity of the protective frame, a
servo motor is arranged in the bottom center of the protective frame, a rotary shaft is fixedly connected to the top of an output shaft of the
servo motor, the top of the rotary shaft penetrates through the protective frame, and a rotary table sleeves the top of the rotary shaft. According to the tool changer, the protective frame, the sliding rail, the first balls, the
servo motor, the rotary shaft, a gear motor, the rotary table, second balls, a bearing seat, a bracket, a
pulley, a cutter holder, a cutter, an electric telescopic rod and a cover are matched, so that the cutter can be rotated and protected, the tool change speed of a user is increased, the user can conveniently use the tool changer, the problem of inconvenience in use of a traditional tool changer by the user is solved, work waiting of the user is avoided, the working efficiencyof the user is improved, and the tool changer is worthy of popularization and use.