Machining tool for moso bamboos with multiple specifications and radiuses

A processing cutter for moso bamboos with radiuses of multiple specifications belongs to the technical field of constructional engineering equipment and is structurally formed by connecting a handle, a mounting plate body, a pull ring, a cutter, a tension spring, a spring, a rotating shaft, a mounting hole, a blade inner contour, a cutter outer contour, a left cutter body and a right cutter body. The cutter is fixedly connected with the mounting plate body, the inner profile of the cutter is arranged outside a bamboo tube in a sleeving mode by operating the pull ring, redundant bamboo flesh at bamboo joints is effectively removed through the handle from top to bottom, and it can be guaranteed that the bottom of moso bamboo can be smoothly cut through the upward-inclined handle; the bamboo joint processing device can be compatible with moso bamboos of most specifications, complete bamboo joint processing of a plurality of moso bamboos can be completed, and processing efficiency is improved. 一种用于多规格半径毛竹的加工刀具，属于