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The utility model discloses an evaporator fin pressing device, which belongs to the technical field of evaporator production and comprises a support frame used for supporting evaporator fins, a fixing plate is mounted at the top of the support frame, four fixing rods used for supporting and guiding are welded at the top of the fixing plate, a mounting plate is mounted at the tops of the fixing rods, and the mounting plate is mounted on the support frame. A power box and a telescopic rod are mounted at the top of the mounting plate, a movable part of the telescopic rod is connected with a connecting disc, a pressing plate is welded to the bottom of the connecting disc, a cross-shaped groove for guiding is formed in the pressing plate, a cross-shaped moving plate is slidably mounted in the cross-shaped groove, a connecting column is connected to one side of the cross-shaped moving plate, and the connecting column is connected to the other side of the cross-shaped moving plate. According to the evaporator fin pressing device, the pre-pressing capacity can be improved, distortion or deviation generated in the production and transportation process of fins can be effectively corrected, the pressing uniformity and stability are improved, the production efficiency is improved, and the cost is reduced.