A kind of Puffing machine for foodstuff transmission mechanism reinforcing device, it is what Puffing machine for foodstuff body with respect to motor drive shaft and drive sprocket position, extend outwardly one U-shaped support base of setting, bearing block is arranged with respect to motor shaft position in multiple what support base, it enables the power output end of motor drive shaft be fixed in the bearing of the bearing block, makes to provide when motor drive shaft what load because of stress balance and more stably export efficiency.一種爆餅機傳動機構補強裝置，係於爆餅機機體相對馬達軸與傳動鍊輪位置，向外延伸設置一U形支撐座，復於該支撐座相對馬達軸位置設置軸承座，令馬達軸的出力端固定在該軸承座的軸承內，使馬達軸於負荷時因受力平衡而提供更平穩的輸出效能。
