Protective device of broaching machine

The utility model discloses a broaching machine protection device which comprises a sliding rail, a fixed baffle and an adjusting baffle, a sliding groove of the sliding rail faces outwards and is fixedly formed in the side face of a broaching machine, a sliding block is arranged in the sliding groove of the sliding rail, a plurality of first connecting bases are fixedly arranged on the rear side of the upper end face of the sliding rail, and a plurality of second connecting bases are fixedly arranged on the outer side face of the sliding block. The lower end of the fixed baffle is hinged between the first connecting seats through connecting rods, the lower end of the adjusting baffle is hinged between the second connecting seats through connecting rods, and external threads are arranged on the connecting rods and are in threaded connection with fastening nuts. And the adjusting baffle can slide back and forth to adjust the position, and the fixed baffle and the adjusting baffle can be folded downwards, so th