Roof rust removal device for automobile manufacturing and rust removal method thereof

The invention discloses a car roof rust removal device for car manufacturing and a rust removal method of the car roof rust removal device. The car roof rust removal device comprises a downward pressing supporting plate, a plurality of linkage blocks are installed below the downward pressing supporting plate, a sleeving frame is arranged on one side of each linkage block, a positioning shaft rod is installed between the linkage blocks and the downward pressing supporting plate, and a linkage mechanism is arranged in the sleeving frame; the linkage mechanism comprises a first extrusion spring arranged in the sleeving frame, a sleeving linkage block is connected to one end of the first extrusion spring, and a positioning block is installed on the other side of the linkage block in an embedded mode. The polishing device has the beneficial effects that a linkage mechanism and one motor are adopted to achieve left-right reciprocating rotation polishing of the multiple polishing stones, so that the polishing effici