Uniform-thickness stirring drilling machine

The invention relates to a uniform-thickness stirring drilling machine. The upper end and the lower end of a first crankshaft are respectively provided with a first drill bushing, the upper end and the lower end of a second crankshaft are respectively provided with a first drill bushing, the upper end and the lower end of a third crankshaft are respectively provided with a first drill bushing, and the upper end and the lower end of a fourth crankshaft are respectively provided with a first drill bushing; a third connecting rod is fixed between every two adjacent first drill bushings on the upper parts of the four crankshafts, and a third connecting rod is fixed between two adjacent first drill bushings on the lower parts of the four crankshafts; a first cube is respectively arranged on the middle position of the first crankshaft and the middle position of the second crankshaft, the middle part of each first cube is fixed on the middle part of a first connecting rod, the upper end and the lower end of the first connecting rod are respectively and fixedly provided with a second drill bushing, and the two second drill bushings are respectively arranged on two third connecting rods on the left upper part and the left lower part; a second cube is arranged on the middle positions of the third crankshaft and the fourth crankshaft, the middle part of each second cube is fixed on the middle part of a second connecting rod, the upper end and the lower end of the second connecting rod are respectively fixedly provided with a second drill bushing, and the two second drill bushings are respectively arranged on two third connecting rods on the right upper part and the right lower part.