Multipurpose sandwich baking machine

The utility model discloses a multipurpose sandwich baking machine which comprises a lower baking tray, second protruding blocks are fixedly connected to the periphery of the top of the lower baking tray, an upper baking tray is movably connected to the top of the lower baking tray through hinges, first protruding blocks are fixedly connected to the periphery of the bottom of the upper baking tray, and second protruding blocks are fixedly connected to the periphery of the bottom of the upper baking tray. The size of an inner cavity of the upper baking tray is smaller than that of an inner cavity of the lower baking tray, the first protruding blocks and the second protruding blocks are connected in a staggered mode when the upper baking tray and the lower baking tray are in a closed state, bear patterns are arranged in inner cavities of the upper baking tray and the lower baking tray, and the sizes of the bear patterns are consistent. According to the sandwich machine, the sizes of the inner cavities of the up