Fire extinguisher steel cylinder cleaning device

The utility model discloses a fire extinguisher steel cylinder cleaning device, and relates to the technical field of cleaning devices, the fire extinguisher steel cylinder cleaning device comprises a conveying mechanism and a lifting workbench which are opposite up and down, the upper end of the lifting workbench is provided with a cylindrical shell, the inner side of the cylindrical shell is symmetrically provided with circular plate tables up and down, and the middle parts of the circular plate tables are connected with a vertical cylinder through a bearing; supporting columns are symmetrically arranged at the upper end of the vertical cylinder in the front-back direction, a top block is arranged between the upper ends of the supporting columns, base vertical plates are symmetrically arranged at the left end and the right end of each supporting column, rotating shafts are evenly and rotationally connected between the base vertical plates which are opposite in the front-back direction in the up-down directi