Adjustable barrel conveying device

The utility model discloses an adjustable barrel conveying device. The device is characterized in that the device comprises a support and barrel frame assemblies which are connected to packaging equipment, the support is composed of transverse rods and supporting rods, rail grooves are formed in the supporting rods, the barrel frame assemblies are arranged in angular symmetry about the corners of the mold pressing combined firework barrel, and each barrel frame assembly is provided with a connecting plate connected with the corresponding supporting rod; the connecting plates are connected with the rail grooves by elastic connecting pieces through the adjusting holes, so that the positions of the barrel frame assemblies are adjusted in the longitudinal direction and the transverse direction of the supporting rods through matching of the rail grooves and the adjusting holes. The device has the advantages that the device is convenient for production and use of mold pressing combined fireworks with different spec