Telescopic follow-up mechanism of spray gun

A telescopic follow-up mechanism of a spray gun relates to the technical field of spray guns, solves the problem of uneven spraying caused by shaking of the spray gun due to too heavy load of a multi-stage telescopic cylinder of the spray gun, and comprises the multi-stage telescopic cylinder, the multi-stage telescopic cylinder is connected with a telescopic motor, a follow-up sliding cylinder is arranged on one side of the multi-stage telescopic cylinder, and the follow-up sliding cylinder is connected with a follow-up motor. The front end of the follow-up sliding cylinder is fixedly connected with a follow-up front plate, the telescopic end of the multi-stage telescopic cylinder is fixedly connected with the follow-up front plate, a spline shaft is arranged in the follow-up sliding cylinder, the tail end of the follow-up sliding cylinder is connected with a right-angle speed reducer, and the follow-up sliding cylinder is connected with the right-angle speed reducer through the spline shaft and provides pow