Improved deburring device

The utility model provides an improved deburring device, and belongs to the technical field of stand column machining. An improved deburring device comprises a working box, a deburring mechanism, a first overturning and clamping mechanism and a second overturning and clamping mechanism are arranged in the working box, and the first overturning and clamping mechanism comprises a second driving assembly, a driving wheel, a transmission belt, a driven wheel, a first clamping disc and a limiting assembly which are installed on one side of the working box. An output shaft of the second driving assembly is in transmission connection with a driving wheel, the driving wheel is connected with a transmission belt, the transmission belt is connected with a driven wheel and used for driving the driven wheel to rotate, the driven wheel is provided with a first rotating shaft, the first rotating shaft is connected with a first clamping disc, and limiting assemblies are installed in the upper, lower, left and right directio