A peanut harvesting machine and a conveying device thereof, the peanut harvesting machine comprises a pinching device, a dislocating device, and a conveying device. The conveying device comprises a mesh belt unit, a driving unit, and a fence unit. The mesh belt unit is in the form of a loop and defines a plurality of meshes. The driving unit is configured to drive the belt belt unit to rotate, and has two chains respectively located on the left and right sides of the belt belt unit, and a plurality of spaced apart groups of the fins, each of the strip groups having two separate directions The tabs of the chains are protruded outside. The fence unit has a plurality of spaced-apart baffles, each of the baffles having a convex portion that is transverse to the outer side of the mesh belt unit, and two of which are respectively formed at the left and right ends of the convex portion. And respectively connected to the connecting portions of the corresponding tabs of the tab group. Through the mesh arrangement of the conveying device, the soil can be screened to facilitate the de-contamination of the peanut hazelnut.一種花生採收機及其輸送裝置，該花生採收機包含一個夾送裝置、一個脫筴裝置，及一個輸送裝置。該輸送裝置包括一個網帶單元、一個帶動單元，及一個欄柵單元。該網帶單元呈環圈狀體，並界定出數個網孔。該帶動單元用於帶動該網帶單元轉動，並具有兩個分別位在該網帶單元之左右兩側的鏈條，及數個相間隔的凸片組，每一個凸片組具有兩個分別向外突出該等鏈條的凸片。該欄柵單元具有數個相間隔的擋板，每一個該擋板具有一個橫交於該網帶單元之外側面的凸擋部，及兩個分別形成於該凸擋部之左右兩端，且分別連接於相對應之該凸片組的該等凸片的連接部。通過該輸送裝置的網狀設置，能供泥土篩落，以利於花生筴果的去土化輸送。
