The linear eight-station refrigerator box foaming production line is designed based on fluorine-free foaming. It consists of a set of two-way distribution trolleys, 8 sets of foaming fixtures, 1 set of filling manipulator, mold heating system and 1 set of electronic control system. The line includes loading, conveying, clamping, filling, curing, pick-up and other processes. It has the characteristics of high degree of automation and low labor intensity.