Plate-fin cleaning coating device for cascading heat-exchanger

The utility model belongs to metal sheet surface processing field, in particular to a plate fin cleaning and spray painting device of the layer heat exchanger, which is characterized in having a work piece transferring device(10), a cleaning part(2), a spray painting part(3) and a drying part(4); the work piece transferring part(1) comprises a cleaned transferring part A(5), a spray paint transferring part B(6) and a dry transferring part C(7); an intermediate mechanism(8) is arranged between the cleaned transferring part A(5) and the spray painted transferring part B(6) for transition, and an intermediate mechanism(8) is also arranged between the spray painted transferring part B(6) and the dried transferring part C(7) for transition; the position of the cleaning part(2) corresponds to the cleaned transferring part A(5), the spray painting part(3) corresponds to the spray painted transferring part B(6), and the drying part(4) corresponds to the dried transferring part C(7).