Tank rolling device for processing fresh water variable-frequency water supply storage tank

The invention provides a tank body rolling device for processing a fresh water variable-frequency water supply storage tank, and relates to the technical field of rolling equipment, the tank body rolling device comprises a workbench, a rolling roller groove is formed in the upper end of the workbench, two rolling lower rollers are rotatably mounted in the rolling roller groove, and a rolling upper roller is arranged above the position between the two rolling lower rollers; a rolling upper roller adjusting assembly capable of adjusting the rolling upper roller to move up and down is arranged at one end of the rolling upper roller, an upper supporting roller is arranged on the upper supporting roller rotating shaft, and a discharging limiting assembly capable of being detached for discharging is arranged at the other end of the rolling upper roller. Firstly, one heating box is used for preheating a steel plate, the ductility of the steel plate is enhanced, one end of the rolling upper roller and one end of the