Irregular product drilling fixing device

The utility model discloses an irregular product drilling fixing device. The device comprises a workbench, an adjusting lead screw, a supporting base, a chuck and a pressing rod, a sliding groove is formed in the upper end of the workbench, the adjusting lead screw is arranged in the sliding groove, the lower end of the supporting base is arranged in the sliding groove, the supporting base is matched with the adjusting lead screw, the chuck is connected to the upper end of the supporting base, and the pressing rod is arranged on the chuck. The front-back position of the chuck is adjusted through the adjusting lead screw. The vertical height adjustment is realized on the supporting seat through the chuck; the clamping range is enlarged, it is guaranteed that products of different shapes areclamped and fixed, the using universality is improved, adjustment is convenient, fixing is firm, using is reliable, the drilling convenience is improved, the drilling precision is guaranteed, and theproblem that an existing