The utility model discloses a conveying belt for conveying glued rear soles and shoe bodies into and out of a baking device, composed of a circulating chain and conveying surfaces connected with both sides of the chain for positioning the soles. The opening part between each conveying surfaces is used for clamping shoe bodies. The conveying surfaces mainly comprise flat tables and movable sliding shaft frames arranged on both sides of the flat tables. The long shaft rod of the chain outward passes through the sleeve holes of torsion springs, the flat tables and the movable sliding shaft frames from the chain sheet part of the middle section of the long shaft rod. The end of the long shaft rod is sheathed with a positioning sleeve seal and then tightly locked by bolts. Both ends of the springs are respectively hooked on the end faces of the flat tables and the end faces of the movable sliding shaft frames of one side thereof. Thus, elastic opening parts are formed for clamping shoe bodies in different sizes.