Novel universal spindle sleeve of bar mill

The utility model discloses a novel bar mill universal spindle sleeve which comprises a positioning sleeve, a spindle sleeve and an end face flange, and further comprises a brake sleeve and two elastic locking devices, the end face flange is fixedly installed at one end of the spindle sleeve, installation holes are symmetrically formed in the outer side surface of the other end of the spindle sleeve in an axis mode, and the elastic locking devices are fixedly installed in the installation holes. The positioning sleeve is locked in the shaft sleeve through the two elastic locking devices, the positioning sleeve flange is fixedly connected with the inner side wall of the universal connecting shaft hole of the shaft sleeve, and the brake sleeve is fixedly clamped in the shaft sleeve through the positioning sleeve and the end face flange. The end face of the brake sleeve abuts against the end face of the positioning sleeve, the positioning sleeve is axially fixed through the brake sleeve, and the problem that the