Driving bevel gear safety groove machining tool

The utility model provides a driving bevel gear safety groove machining tool which comprises a supporting block used for supporting driving bevel gear workpieces and further comprises a floating type pressing device arranged between the two adjacent driving bevel gear workpieces and used for pressing the driving bevel gear workpieces. The floating type pressing device comprises a first pressing plate, a second pressing plate, a connecting plate and a pressing rod, the two ends of the connecting plate are connected with the first pressing plate and the second pressing plate respectively, the lower portion of the first pressing plate and the lower portion of the second pressing plate abut against the upper portions of the two adjacent driving bevel gear workpieces respectively, and the upper end of the pressing rod is rotationally connected to the connecting plate. According to the utility model, the original pressing device with a fixed pressing rod is changed into the floating pressing rod. Potential safety h