Bench drilling machine with chipping cleaning function

The utility model relates to a bench drilling machine with a chipping cleaning function, which comprises a headstock, a negative pressure box fixed on the headstock, a filter plate fixed in the negative pressure box, a negative pressure pump used for extracting gas in the negative pressure box, a suction nozzle positioned outside the headstock, and a gas guide pipe communicated between the suction nozzle and the negative pressure box, the top face of the box body and the end face of one end of the box body are open, side grooves are formed in the side walls of the two sides of the box body, one end of each side groove is communicated with the open end of the box body, the sealing cover comprises an upper cover and an end cover, the upper cover is located between the side grooves in the two sides, the end cover is sealed at the open end of the box body, and a pressing mechanism for pressing the upper cover is arranged between the top face of the upper cover and the top faces of the side grooves. And a locking