Opposite rib rolling mill train for high-precision threaded rib anchor rod steel bars

A flat head connecting shaft is inserted into a flat head sleeve, the flat head connecting shaft is used for being fixedly connected with a machine frame of a rolling mill, one end of a horn shaft sleeve is fixedly connected with the flat head sleeve, a position adjusting protective sleeve is fixedly installed in an inner ring of the horn shaft sleeve, and the position adjusting protective sleeve is fixedly connected with the machine frame of the rolling mill. Inclined rib plates are fixedly installed on the two inner side walls of the position adjusting protective sleeve in an axis symmetry mode, inclined grooves are obliquely formed in the two outer side walls of the end of the pressing roller, and a locking mechanism is installed on the position adjusting protective sleeve and used for fixing the end of the pressing roller. The device is easy to operate, the labor intensity of workers can be reduced, the working efficiency is improved, when the height position of the pressing roller needs to be slightly ad