Automatic threading device

The invention provides an automatic threading device. The automatic threading device comprises a vertical wire forming machine and a driving device, a wire guide wheel is arranged on the vertical wire forming machine, and a groove and a plurality of rows of wire grooves are formed in the wire guide wheel around the circumference. The driving device is arranged on one side of the vertical wire forming machine and comprises a telescopic air cylinder, a mounting plate, a motor and a meshing wheel, the telescopic air cylinder is fixedly mounted on the ground, the telescopic end of the telescopic air cylinder is arranged towards the wire guide wheel, the mounting plate is fixedly mounted at the telescopic end of the telescopic air cylinder, and the motor is arranged on the mounting plate. The motor is fixedly installed on the installation plate, the meshing wheel is fixedly installed on an output shaft of the motor, and the thickness size of the meshing wheel is matched with the width gear of the groove. By arrang