Automatic switching device for shaft sleeve of automatic tire mounting and tightening gun

The invention relates to the technical field of automatic equipment, in particular to an automatic tire installation tightening gun shaft sleeve switching device which comprises an elastic adapter, a quick-change sleeve and a sleeve quick-change mechanism, the quick-change sleeve is connected with a tightening gun shaft through the elastic adapter, and when the sleeve is switched, the quick-change sleeve is connected with the tightening gun shaft through the quick-change sleeve. The robot inserts the quick-change sleeve downwards into the empty clamping sleeve, the upper cover extrudes the sliding sleeve, the first steel ball is loosened, the quick-change sleeve falls into the clamping sleeve from the adapter body, and the quick-change sleeve is driven by the driving device to be separated from the adapter body; when a new quick-change sleeve is installed, the robot moves the tightening gun shaft to the position above the clamping sleeve provided with the sleeve and then moves downwards, the upper cover extru