The utility model system is a kind of coffee baker structural improvement,It is to provide a hollow body,The hollow body system is equipped with a driving portion,The driving portion system connects a roller and the roller is driven to do a spinning movement,One card gas fuel cartridge of system's setting inside the another hollow body,The card gas fuel cartridge system connects a plurality of burner of gas range,Coffee bean is entered into the drums inside by a plup inlet using upper system,Methane gas is sent to a plurality of burner of gas range by the card gas fuel cartridge and generates flame,And baking operation is carried out to the coffee bean of the drums inside,Wherein the utility model technical way system by the card gas fuel cartridge be set up directly on the hollow body it is it is internal reach integrated molding,To reduce volume and the general common people family use of universal what.本新型係為一種咖啡烘焙機結構改良，其係提供一中空本體，該中空本體係設有一驅動部，該驅動部係連接一滾筒並驅動該滾筒做一旋轉動作，另該中空本體內部係設置一卡式瓦斯燃氣罐，該卡式瓦斯燃氣罐係連接複數個瓦斯爐頭，使用上係將咖啡豆由一入料孔進入該滾筒內部，藉由該卡式瓦斯燃氣罐將瓦斯氣體送至複數個瓦斯爐頭產生火焰，並對該滾筒內部之咖啡豆進行烘焙作業，其中本新型主要技術手段係將該卡式瓦斯燃氣罐直接設置在該中空本體之內部達到一體成型，從而縮小體積並普及於一般民眾家庭使用。
