The invention discloses a conveying belt production system, and belongs to the technical field of conveying belt machining. The conveying belt production system comprises a cutting device and a belt core chamfer device, wherein the multifunctional integrally-formed cutting device is used for conducting pressurization forming on a rubber belt and cutting the rubber belt to form a belt blank; the belt core chamber device is used for conducting chamber cutting on a belt core to form a V-shaped conveying belt, and comprises a belt core chamber unit, a chamber feeding unit, a belt core driving unitand a belt core chamber base; the belt core chamber unit comprises symmetrically-arranged chamber cutting mechanisms, and each chamber cutting mechanism comprises a chamber cutting blade, a belt corechamber cutter frame and a chamfer cutter frame positioning seat; and the chamber feeding unit and the belt core driving unit are installed on the belt core chamber base, and the chamber feeding unitis provided with the belt core chamber unit. According to the conveying belt production system, the rubber belt covering efficiency is improved, and the conveying belt product quality is improved.