The utility model provides a dustproof drilling
machine, include: support, fixed in the drilling
machine main part of support top, through the clamp detachable fixed on the support, and be used for bearing work piece's support, install on the
drill head of drilling
machine main part, positioning portion, two positioning portions all install on the support, and two positioning portions perpendicularly staggered setting each other, dustproof portion, dustproof portion sets up on the support and support, and dustproof portion sets up in the just below of
drill head, clamping portion, the clamp control portion is detachable fixed on the support through the clamp, and this dustproof drilling machine can control dustproof cover in dustproof portion to go down through the clamping portion who sets up, and the work piece of being ready to punch is clamped between dustproof cover and support, guarantees work piece to punch the stability, guarantees dustproof cover to punch the protection of position, guarantees the dust and the chippings of when
punching can be effectively collected and stored, avoids the
pollution working environment, protects the health of staff.