Box body positioning device for refrigerator preassembling production line

The utility model discloses a box body positioning device for a refrigerator preassembling production line, which belongs to the technical field of refrigerator production equipment and comprises a hydraulic cylinder. The upper end of the hydraulic cylinder is fixedly mounted on a wall body above the refrigerator preassembling production line, and a mounting plate is fixedly mounted at the lower end of the hydraulic cylinder and is horizontally arranged; driving mechanisms are mounted on the left side and the right side of the mounting plate, each driving mechanism is provided with two moving parts capable of moving front and back, and the moving directions of the two moving parts are opposite; a positioning seat is mounted at the bottom of the moving part through an elastic assembly; a cutting groove is formed in one side of the positioning seat, and the two cutting grooves of the same driving mechanism are oppositely arranged; an upper positioning column used for abutting against the top face of the box is