Waste collecting device applied to multi-hole tapping equipment

The utility model discloses a waste collecting device applied to porous tapping equipment, which is characterized in that the bottom of a workbench is fixedly connected with a collecting box, the top of the workbench is provided with a feeding groove, one end of the feeding groove is communicated with the collecting box, and a screening component is arranged in the collecting box; the screening assembly comprises an arc-shaped block, an arc-shaped groove is movably connected to the outer side of the arc-shaped block in a sleeved mode, a sliding block is fixedly connected to the outer side of the arc-shaped block, and a sliding groove matched with the sliding block is formed in the inner side wall of the arc-shaped groove. The sliding block slides in the sliding groove, so that the arc-shaped groove swings up and down under the guiding effect of the guiding mechanism, the waste slides into the annular material collecting groove under the guiding effect of the arc-shaped groove, the waste with the small size fa