Convenient gauge distance adjusting mechanism of drawing frame

The utility model provides a convenient gauge distance adjusting mechanism of a drawing frame, which comprises a base, two side ends of the upper surface of the base are respectively provided with a guide groove, and each guide groove is internally provided with an avoiding long opening; the roller group comprises a first roller, a second roller and a third roller which are arranged in sequence and are parallel to one another; the distance adjusting mechanism comprises two first rack plates, two second rack plates and a gear shaft, one first rack plate and one second rack plate are contained in each guide groove in a sliding mode, each first rack plate is connected with the first roller, each second rack plate is connected with the second roller, the gear shaft is arranged in the base in a penetrating mode, and the first rack plate and the second rack plate are arranged in the base in a sliding mode. The two ends of the gear shaft are located in the two receding long openings correspondingly, the two ends of