Grain drying machine drying device

The invention provides a grain drying machine drying device. The grain drying machine drying device comprises a drying shell and drying assemblies, wherein the drying assemblies are arranged in the drying shell. The drying shell comprises a first side plate, a second side plate, a front side plate and a rear side plate. Each drying assembly comprises two mesh plates and multiple mesh pipes, wherein every two mesh plates are fixed into the drying shell and distributed in the left-right direction of the drying shell in a spaced manner, and the multiple mesh pipes are arranged between the corresponding two mesh plates. The two ends of the mesh pipes are connected with the front side plate and the rear side plate correspondingly. The front side plate is provided with air inlets communicating with the mesh pipes. The rear side plate is provided with multiple air outlets. The air outlets and the drying assemblies are arranged in the left-right direction in an alternate manner. The inventionfurther provides a grain