Clamping equipment for cutter machining

The utility model belongs to the technical field of tool clamping, and particularly relates to a tool machining clamping device which comprises a workbench, a supporting arm arranged on the workbench, a fixing plate arranged on the supporting arm, a hydraulic air cylinder arranged on the fixing plate, a fixing seat arranged on the supporting arm, a connecting block connected with the hydraulic air cylinder, an inclined sliding groove formed in the fixing seat and a clamping block hinged to the connecting block. The corners of the clamping blocks are arranged in the inclined sliding grooves respectively. The clamping block hinged to the connecting block is arranged to be matched with the inclined sliding groove, power is provided by the hydraulic air cylinder, so that the front end of the clamping block can be continuously opened and closed, the blade can be quickly clamped and loosened, the operation steps are simplified, and the production efficiency is improved; and the blade can be overturned under the con