Inner barrel assembling machine for fireworks

The utility model discloses an inner barrel assembling machine for fireworks. The inner barrel assembling machine comprises a conveyor belt structure for conveying firework barrels and a machine body arranged on the conveyor belt structure, wherein a charging mechanism and a positioning mechanism for positioning the firework barrels are arranged on the machine body; the charging mechanism is used for assembling inner barrels are assembled in the firework barrels. According to the inner barrel assembling machine, the safety problems of manual assembling of the inner barrels of the fireworks in the firework barrels in the conventional technology are solved, working efficiency is ensured, and the inner barrel assembling machine is fully automatically operated, and is high in practicability.