Adjustable guide of bar mill

The invention relates to an adjustable guide of a bar mill, and belongs to the technical field of bar continuous rolling production lines in the metallurgical industry. According to the technical scheme, multiple pairs of vertically-arranged guide wheels (7) are arranged in a guide frame (14) in the rolling direction of bars, the outer surfaces of the guide wheels (7) are two symmetrical conical surfaces, the diameter of the middles of the guide wheels (7) is smaller than the diameters of the two ends of the guide wheels (7), the guide wheels (7) are provided with guide wheel shafts, the two ends of the guide wheel shafts are installed on guide wheel bases (5) through conical bearings (6), the guide wheel bases (5) at the two ends of the guide wheel shafts are connected to lead screws (1)respectively, the lead screws (1) are arranged in parallel up and down, the two ends of each lead screw (1) are rotationally connected to a guide frame (14) through lead screw bearings (4) respectively, and a hydraulic motor