Steel positioning and drilling device

The utility model discloses a steel positioning and drilling device which comprises a base and a workbench, the workbench is provided with a dust removal opening, a support is arranged on one side of the dust removal opening, the side, facing the dust removal opening, of the support is connected with the end of a cross beam, and the side, facing the dust removal opening, of the cross beam is provided with a drilling motor. The beam is provided with a first motor driving the beam to be close to or away from the dust removal opening. The two fixing assemblies close to the dust removal opening and the workbench are movably connected to the two sides of the support to position steel. A dust collection mechanism is arranged in the base, and the dust collection mechanism comprises an adsorption seat, a negative pressure fan, a driving assembly, a dust collection cover and a communicating pipe; the top of the adsorption base is connected with the driving assembly, the driving end of the driving assembly is connected