Excess material bundling device of combine harvester

The utility model discloses an excess material bundling device of a combine harvester, and belongs to the technical field of combine harvesters. According to the excess material bundling device of the combine harvester, a first separation bin is connected to an excess material outlet and connected with a second separation bin which is connected with a third separation bin, an upper press plate connected onto a hydraulic cylinder is arranged above the second separation bin, and a cutter is arranged on the edge, close to the first separation bin and/or the third separation bin, of the upper press plate; and a bundling machine is arranged above the third separation bin, and a bundling rope connected onto the bundling machine is laid below the bottom of the third separation bin. The excess material bundling device of the combine harvester is arranged at the excess material outlet of the combine harvester and can automatically bundle smashed excess materials, so that the excessive materials can be conveniently sta