Portable chuck device for numerical control lathe tool

The portable chuck device comprises a chuck body and a clamping notch, a chuck sleeve is installed at the front end of the chuck body, an installation assembly is installed inside the lower end of the right side of the chuck body, the clamping notch is installed outside the chuck body, and the installation assembly is installed inside the lower end of the right side of the chuck body. Guide blocks are installed on the left side and the right side of the lower end of the chuck body. Compared with an existing chuck device for the numerical control lathe tool, the convenient chuck device for the numerical control lathe tool has the advantages that the screw is screwed to conduct screw transmission on the connecting block on the screw, the fixing plug can stretch out and draw back to fix the bearing end of the tool, the tool is conveniently and rapidly installed and fixed, the tool is not prone to falling off, and the using effect is good; the chuck sleeve and the chuck body are fixed conveniently through the chu