Splitting mechanism

The utility model provides a splitting mechanism. The splitting mechanism comprises a splitter, a fixing assembly, a lifting oil cylinder and a positioning assembly. The cleaving device comprises a cleaving oil cylinder and a cleaving rod, and the cleaving rod is connected with the output end of the cleaving oil cylinder. The fixing assembly is connected with the splitter, and the splitter is hung on the fixing assembly. The positioning assembly comprises an inner taper sleeve and an outer taper sleeve matched with the inner taper sleeve. The inner taper sleeve surrounds the outer wall of the splitting oil cylinder and is fixedly connected with the splitting oil cylinder; the outer taper sleeve is arranged on the fixing assembly. Different from the prior art, according to the technical scheme, the lifting assembly drives the fixing assembly to move, and the fixing assembly drives the splitter to move, so that the splitter can descend and ascend; and the inner taper sleeve and the outer taper sleeve are clampe