Paying-off scratch prevention device of combined drawing machine

The utility model relates to a pay-off scratch prevention device of a combined drawing machine, and belongs to the technical field of bar manufacturing. Comprising a machine frame, a lifting frame is movably arranged on the machine frame, a groined roller is arranged on the lifting frame, the lifting frame is driven to do lifting motion along the machine frame, and then the height of the groined roller is adjusted. A vertically-arranged lead screw is arranged at the bottom of the lifting frame, and the top of the lead screw is fixedly connected with the lifting frame. The lead screw is sleeved with the sleeve and is in threaded connection with the sleeve, and the driving device drives the sleeve to rotate, so that the lead screw moves up and down along the sleeve, and then the lifting frame is pushed to move up and down. The driving device comprises a horizontally-arranged motor, a driving gear is arranged on an output shaft of the motor, a driven gear is arranged on the sleeve, and the driving gear is meshed