Detachable support device for numerical control drill rack

The invention discloses a detachable support device for a numerical control drill rack, and relates to a support device. The detachable support device comprises a support bottom plate, a guide side plate fixed on the support bottom plate, a support assembly, a driving assembly, a moving assembly and an inclination angle adjusting assembly, wherein the support assembly is longitudinally connected with a sliding side plate in a sliding manner and used for supporting materials; the driving assembly is used for driving the support assembly to move up and down; the moving assembly is used for driving the device to move; a V-shaped groove is formed in the top of the support assembly; a swing plate is rotationally connected to the bottom of the V-shaped groove; and a support part is in threaded connection with the inclined wall on at least one side of the V-shaped groove. When the device needs to move, the support assembly can be driven to move up and down by adjusting the driving assembly, so that supporting of dif