The invention provides a cleaning conveying line, which is used for transporting to-be-cleaned parts fixed on a tray and comprises a loading area, a first cleaning conveying area, a second cleaning conveying area and an unloading area. The loading area is arranged at the inlet end of the cleaning conveying line so as to receive and place trays fed by external conveying equipment, and the trays bear to-be-cleaned parts. The first cleaning conveying area is connected with the loading area so as to convey the to-be-cleaned part to a preset
cleaning station; the second cleaning and conveying area is arranged on one side of the first cleaning and conveying area so as to receive the parts cleaned by the first cleaning and conveying area; wherein a plurality of translation raceways are arranged between the first cleaning and conveying area and the second cleaning and conveying area, so that a to-be-cleaned part is conveyed between the two conveying areas; and the unloading area is arranged at the
tail end of the first cleaning and conveying area, so that the cleaned parts are output to an external
production line, and the problem that in the prior art, a cleaning and conveying line is low in efficiency is solved.