This production line is special for mass-production manufacturing refrigerator back shell, the whole machine is composed by following parts: Loading machine, punching machine, 180 degree turnover machine, roller forming machine, end shape bending machine, roller conveyor line, feeding mechanical arm, convex-pressing machine, discharging mechanical arm, diacharging plateform, electrical control system, hydraulic system and pneumatic system etc.Main technical performance parameters 1. Outline dimenssion of line(reference only): 28500*4200*1850(L*W*H) 2. Working height of line: 900 mm distance to the ground 3. Dimenssions of finished products: 680-1980(L), 420-620(W), 0.3-0.5(H) 4. Applied raw material: Zink-coated steel sheet 5. Circling time for production: 30s 6. Water, electrical power and air supplying: Industry tap wate, about 26kVA(380v 50HZ), 0.5--0.65MpaRefrigerator producing equipment, detailed as follows: 1. Refrigerator metal parts processing equipments: Refrigerator door sheet bending forming machine; Fridge side panel roller forming machine line; Fridge back board roller forming machine line;2. Foaming euipments: Refrigerator door body 7 jigs revolving foaming line. Fridge cabinet fixtures linear layout foaming line. Foaming line for door and cabinet with trolleys circling moving on the ground railway. Door foaming machine moving by flat circling jigs.3. Thermo forming machine for inner liner Single work station thermo forming machine Multi-stations thermo forming machine for refrigerator door and cabinet inner liner Double station thermoforming machine.4. Refrigerator production line including all kinds conveyor like roller, flank and chain etc, mainly including following parts: Refrigerator preassembling line, assembling line, compressor weilding line, injection line, cooling Performance inspection line and packaging line etc, in addition, the layout can be designed accoring to customer's requirement.5. Thermo forming moulds and foaming jigs & fixtures. Thermo forming moulds for door and cabient. Foaming fixtures and jigs for door and canbinet.1. Refrigerator metal parts processing equipments 2. Foaming euipments for fridge case and door. 3. Thermo forming machine for inner liner 4. Refrigerator production line and packaging line 5. Thermoforming moulds and foaming jigs