Rust removing and polishing device for anti-corrosion and heat-preservation engineering

The utility model discloses a derusting and polishing device for anti-corrosion heat preservation engineering, and relates to the technical field of derusting and polishing, the derusting and polishing device comprises a transmission assembly, and a positioning mechanism used for positioning a heat preservation plate is arranged on one side of the transmission assembly. Two L-shaped plates are pushed to move close to each other in the transverse direction, a limiting rubber rod makes contact with the heat preservation plate, a first motor is started to drive a screw to rotate, a supporting column slides on the screw, the supporting column with a sliding groove slides on a sliding rod, a grinding roller and a rubber roller are driven to make contact with the surface of the heat preservation plate, and a second motor and a conveying assembly are started to drive the grinding roller to rotate; and the conveying assembly conveys the heat preservation plate and drives a limiting rubber rod and a rubber roller to r