Inner spraying machine for fire fighting bottle

The utility model provides an inner spraying machine for a fire fighting bottle. The inner spraying machine for the fire fighting bottle comprises a support and a spraying unit arranged on the support; the spraying unit comprises a bearing platform arranged on the support, and a spraying mechanism arranged on the bearing platform; the bearing platform comprises a rotating platform which is horizontally arranged, and a rotating motor which is fixedly arranged below the rotating platform; the spraying mechanism comprises a spraying rod which is arranged right above the rotating platform; and the spraying rod is coaxial with the rotating platform and can be vertically lifted; a spraying part is arranged at the lower end of the spraying rod; and the spraying unit further comprises a powder returning system which wraps the bearing platform. The inner spraying machine for the fire fighting bottle is uniform in spraying and good in surface treatment effect, brings no stacking phenomenon, saves the amount of used pow