The invention discloses a heat-shrinking pipe conveying mechanism. The mechanism comprises a conveying bracket, a conveying guide bar, conveying wheel sets and a clamping and pulling mechanism which is arranged above the conveying guide bar; the conveying wheel sets comprise an inner positioning wheel set and an outer positioning wheel set which is arranged on the conveying bracket; the inner positioning wheel set includes an upper positioning wheel and a lower positioning wheel which are arranged vertically in the conveying guide bar; the outer positioning wheel set includes outer positioningwheels which are arranged at two sides of a space between the upper positioning wheel and the lower positioning wheel and clamp the upper positioning wheel and the lower positioning wheel; the outerpositioning wheel group is parallel to the axes of the upper positioning wheel and the lower positioning wheel; and a heat shrinkable pipe sleeves the conveying guide bar and is clamped between the inner positioning wheel set and an outer roller set. The mechanism of the present invention can automatically convey the heat shrinkable pipe to a sleeving station with the heat shrinkable pipe kept open, and avoid the bending or deviation of the heat shrinkable pipe during a conveying process, thereby improving conveying efficiency, and benefitting the sleeving processing of conductive insert wires.