Online automatic prebaked anode bottom descaling machine

The utility model relates to an online automatic prebaked anode bottom descaling machine, which consists of a motor, a transmission device and a milling cutter roll, wherein the motor is connected with the transmission device, the transmission device is connected with the milling cutter roll, and the milling cutter roll is assembled on an ungroup descaling line of a prebaked anode; and the milling cutter roll is formed by connecting three to ten groups of cutter heads, and is connected with a bearing and a bearing block through a milling cutter shaft, and every two groups of cutter heads are installed in the way of being staggered for 15 degrees to 40 degrees. 3-10 groups of blades are uniformly distributed on each group of cutter heads. According to the online automatic prebaked anode bottom descaling machine, the investment is saved, the labor efficiency is improved, online continuous descaling can be realized, the descaling efficiency is about 90%, accordingly, the carbon slag content of an aluminium elect