Adjustable bench drilling machine

The utility model discloses an adjustable bench drilling machine which comprises a drilling machine body, the drilling machine body is composed of a drilling machine main body and a lower base, the top of the lower base is provided with an adjusting assembly, the adjusting assembly comprises a working platform, the top of the lower base is provided with a rectangular groove, the bottom of the inner wall of the rectangular groove is provided with a strip-shaped groove, and the bottom of the working platform is provided with a fixing strip. A right trapezoid groove is formed in the bottom of the fixing strip, an extrusion column is arranged in the right trapezoid groove, a T-shaped hole is formed in one side of the inner wall of the strip-shaped groove, an adjusting screw rod is arranged on the inner wall of the T-shaped hole, a reset groove is formed in the bottom of the inner wall of the rectangular groove, and a reset spring is arranged at the bottom of the inner wall of the reset groove. By means of the arr