Current feedback type numerical control electric screw driver
The utility model discloses a current feedback type numerical control electric screw driver. The current feedback type numerical control electric screw driver comprises a control cabinet and a screw driver body, wherein the control cabinet is connected with the screw driver body through a control cable; a controller and a switching power source are arranged in a cabinet body of the control cabinet; a motor, a motor reduction gearbox and a driving shaft are arranged in a barrel body of the screw driver body; a connector and a screw driver bit are arranged at the two ends of the barrel body respectively. A control method of the current feedback type numerical control electric screw driver comprises the steps that after the current feedback type numerical control electric screw driver is started, the controller carries out detection on the rotary angle and the torque, and preferably selects to carry out the screw meshing step or the rapid screwing step or the screw locking step or the standby step according to the torque, and meanwhile the controller has a fault detection function, and selects to enter the standby step or to maintain the standby step or to start the screw driver locking function when the screw loose fault state or the floating locking fault state exists. The current feedback type numerical control electric screw driver has various functions of automatic control, data management, monitoring mistake proofing and the like, is efficient, safe, convenient and high in quality, and can meet different processing requirements.