Mounting chuck for thread bushing

The invention relates to the technical field of workpiece thread bushing mounting tools, and provides a mounting chuck for a thread bushing. The mounting chuck comprises a main body assembly which is provided with a connector and a bushing which are detachably connected, wherein the bushing is internally provided with a mounting space; a mounting rod which is detachably arranged in the mounting space, wherein a first sliding groove formed along the radial direction of the bushing is formed in the inner wall of the bushing, a second sliding groove formed along the radial direction of the mounting rod is formed in the outer side wall of the mounting rod, a clamping piece is movably arranged between the first sliding groove and the second sliding groove, a threaded rod penetrating through the bushing is arranged at the lower portion of the mounting rod, and the threaded rod is used for being screwed into the to-be-assembled threaded bushing. Compared with the prior art, the threaded rod in the bushing is driven