Tool clamp for marking hard alloy cutter

The tool clamp is provided with a protective cover, adjusting handles are symmetrically arranged at the two ends of the protective cover, the adjusting handles are movably connected with the protective cover and penetrate through the inner side and the outer side of the protective cover, and the two adjusting handles can be close to each other or separated from each other. The end, located on the inner side of the protective cover, of the adjusting handle is provided with a chuck, and the chuck is detachably connected with the adjusting handle. According to the tool clamp, reliable and effective arrangement and fixation can be provided in the marking procedure of the hard alloy cutter, smooth implementation of machining of a microstructure on the surface of the cutter is guaranteed, meanwhile, the chuck is inserted in a self-locking conical surface mode, insertion, extraction and replacement are convenient and rapid, and the clamping requirements of different types of cutters can be rapidly met. 本实用新型提供了一种硬质合