The invention provides integrated equipment for corn harvesting, threshing and quality inspection. The equipment comprises an open corn cob collecting hopper, an open equipment base, a corn cob transporting hopper, corn straw harvesting and collecting rods, equipment rods, a sealing threshing cylinder, a threshing roller, a threshing motor, a corn cob discharging hopper, L-shaped handlebars, a circuit board, a control machine, a touch screen, a master control switch, a protection hood, a connecting screw pipe, a corn cob extrusion roll-out guide wheel structure, self-moving push-free lifting wheels, a corn-field spacing-adjustable movable front wheel structure, a corn dust assisted collection anti-fouling machine and a threshing quality inspection corn kernel collection transfer bag structure. Through the arrangement of a main hinge base, a rotating shaft, an extrusion roller, a guide-out rod, an auxiliary hinge base and an extrusion motor, the integrated equipment facilitates ensuringthe work efficiency of extrusion guide-out of corn cobs, and it is ensured that the subsequent threshing work on the corn cobs is smoothly carried out; through the arrangement of the guide-out rod, the real-time separation of corn straw and the corn cobs is conveniently ensured, and the work efficiency is ensured.