Improved cutting device of aluminum profile cutting machine

The utility model relates to the technical field of machining, in particular to an improved cutting device of an aluminum profile cutting machine, which can replace the traditional mode that an abrasive wheel cutting machine is manually used for cutting off, can cut off metal bars with different diameters, reduces the use limitation of the device, and improves the working efficiency of the device. Comprising a bottom plate, a top plate, two supporting plates, two adjusting devices and two cutting devices, the top plate is fixedly installed on the upper end face of the bottom plate through the two supporting plates, the two adjusting devices are symmetrically installed on the upper end face of the bottom plate, and the two cutting devices are symmetrically installed on the two cutting devices in a sliding mode up and down; the adjusting device comprises a bidirectional lead screw, a shaft seat, two groups of first sliding blocks and two groups of sliding rails; the cutting device comprises two second sliding b