The invention discloses a parallel line pair aluminum foil and hot melt polyester belt cladding molding mechanism, comprising a pedestal, a support plate, an upper guide wheel apparatus, a lower guide wheel apparatus, and a push rod. The support plate is provided with regulating tanks; the upper guide wheel apparatus comprises a regulating block and a pair of upper guide wheels, wherein the regulating block can slide up and down in the regulating tanks; the lower guide wheel apparatus is installed on the side of the support plate, and comprises a pair of lower guide wheels, a lateral shifting block, a regulating screw rod in pin joint with one side of the lateral shifting block, and a pair of telescoping springs located between the lateral shifting block and the side of the support plate, wherein the other end of the regulating screw rod penetrates the support plate and is in screw joint with the support plate; the lower guide wheels are installed on the lateral shifting block. An operator can move the regulating screw rod, the regulating screw rod cooperates with the pair of telescoping springs to realize the horizontal movement of the lateral shifting block, and the lateral shifting block drives the pair of lower guide wheels to move horizontally to align the lower guide wheels and the upper guide wheels.