Paper Cushion Packaging Design And Simulation Analysis Of The Split-floor Type Air-conditioner

At present, foam polystyrene (EPS) is the most widely applied cushion packaging material in the household electrical appliance packaging field in China, but it is undegradeable and unrecyclable, which doesn't accord with the requirement of low carbon environmental protection today, so its application is limited. The honeycomb cardboard as a paper environmental protection material, with light weight, high strength and good cushioning performance can be used for foam polystyrene (EPS) substitute.This subject chose the representative of the appliances product——split-floor type air-conditioner as the packaging objects to design the cushion packaging liner of indoor machine and outdoor machine respectively with honeycomb-corrugated composite cardboard as the main packaging material, and then use finite element analysis software ANSYS Workbench to establish a finite element model of the cushion package to do dropping simulation analysis.First, this subject studied and analyzed the vulnerability of the air conditioner. Based on the structure and material of air conditioner, this paper summarized the damage model of the air conditioner, and confirmed the shell of air conditioning as its vulnerable part, of which the main failure modes is plastic deformation and brittle fracture. And then chose the shock fragility and the allowable stress of shell to characterize the vulnerability of air conditioning products.In view of the poor cushioning performance of honeycomb cardboard in small stress state, this subject selected honeycomb-corrugated composite cardboard as the cushion packaging material of air conditioner. This subject got the static cushioning curve and dynamic cushioning curve of honeycomb-corrugated composite cardboard by static compression test and dynamic compression test, and then the bearing and cushioning performance of the honeycomb-corrugated compound cardboard were analyzed.Based on the product characteristics and existing packaging problems of air conditioner, the packaging requirements of indoor and outdoor machine were analyzed, and then the cushion packaging of indoor and outdoor machine with honeycomb-corrugated composite cardboard as cushioning material were designed.Finally, the subject used finite element analysis software ANSYS Workbench to establish a finite element model to achieve the simulation analysis of dropping, and to obtain acceleration response and equivalent stress nephogram of the package. The simulation results show that the cushion packaging in this subject meet requirements of cushion packaging, which can effectively protect the equipment in the content.