Drilling clamp capable of being used for various devices and convenient to adjust

The utility model provides a drilling fixture capable of being used for various devices and convenient to adjust, which comprises a left pressing plate, a right pressing plate, a left supporting plate, a right supporting plate, a bottom plate, a top plate, an end face positioning plate, a first positioning bolt, two second positioning bolts and two pressing plate supporting shafts. A containing space is defined by the bottom plate, the left supporting plate, the right supporting plate and the top plate. A workpiece to be clamped can be arranged in the accommodating space; the end face positioning plate is arranged in the middle of the lower portion of the top plate, and the end face positioning plate is arranged on the to-be-drilled face (bottom face) of the to-be-clamped workpiece. The top plate and the end face positioning plate are provided with through holes matched with to-be-machined holes of a to-be-clamped workpiece in position. The drill fixture capable of being used for various devices and convenien