Prefabricated part maintenance system with movable maintenance bin

The invention relates to the field of prefabricated part production, in particular to a prefabricated part maintenance system with a movable maintenance bin. The prefabricated part maintenance system comprises a die table cache region, a maintenance region, an area ferry station and maintenance ferry stations; the die table cache region is provided with two die table cache bins, and the two die table cache bins are arranged at the input end of a main production line and the output end of an auxiliary production line correspondingly; the maintenance region is arranged on the outer side of a prefabricated part production line, the die table cache region is connected with the maintenance region through the area ferry station, the movable maintenance bin and a plurality of maintenance lines are arranged in the maintenance region, and all the maintenance lines in the maintenance region are sequentially connected end to end through the maintenance ferry stations; and the movable maintenance bin moves along the main