Drilling and coring machine with angle convenient to adjust

The utility model discloses a drilling coring machine convenient for angle adjustment, which comprises a base, guide rails fixed on two sides of the base, an adjusting device arranged on the guide rails and a clamping component arranged on the base, the adjusting device comprises a threaded rod I and a sliding block, the threaded rod I is rotatably arranged on the guide rails, the sliding block is slidably arranged on the threaded rod I, and the clamping component is arranged on the base. Driving sources are symmetrically fixed to the base, output shafts of the driving sources are fixed to one ends of the first threaded rods, stand columns are fixed to the sliding blocks, supporting assemblies are arranged on the stand columns, a supporting plate is fixed between the two stand columns, a first sliding rail is fixed to the supporting plate, a sliding plate is arranged on the first sliding rail in a sliding mode, and a driving device for driving the sliding plate to move is arranged on the supporting plate. And