Cutter with modular connecting mechanism

The cutter with the modular connecting mechanism comprises a cutter handle and the modular connecting mechanism, a mounting channel is formed in the cutter handle in the direction perpendicular to the plane where the axis is located, the modular connecting mechanism is arranged in the mounting channel, and the modular connecting mechanism comprises a first connecting module and a second connecting module; the first connecting module and the second connecting module are in sliding connection, are suitable for being far away from each other, and are suitable for extending to the outer side of the cutter handle to be in abutting fit with the connecting main shaft when being far away from each other, so that the cutter handle is fixedly connected with the connecting main shaft; the cutter can be quickly and conveniently connected and fixed with equipment such as a machine tool spindle through the modular connecting mechanism, is not easy to loosen and separate, and is higher in connecting stability. 本申请公开了一种具有模块化