Self-centering chuck

The utility model discloses a self-centering chuck which comprises a bearing structure, a tip arranged on the bearing structure and a power transmission structure arranged on the bearing structure and used for clamping the tip. The utility model provides a self-centering chuck, which can be used for well positioning and fixing a movable blade, reducing the complexity of positioning and fixing, well improving the machining efficiency of the movable blade, effectively improving the machining quality of the movable blade and further promoting the development of enterprises and industries. 本实用新型公开了一种自定心夹头，包括承载结构，设置在承载结构上的顶尖，以及设置在承载结构上且用于夹持顶尖的动力传输结构。本实用新型提供一种自定心夹头，能够很好的完成对动叶的定位与固定，降低了定位与固定的繁琐性，很好的提高了动叶加工的效率，同时有效的提高了动叶加工的质量，进一步促进了企业与行业的发展。