Peanut picking machine and gathering and feeding device thereof

Provided are a peanut picking machine and a gathering and feeding device thereof. The invention discloses the gathering and feeding device. The gathering and feeding device comprises a gathering device (1) and a drawing device (2). The gathering device (1) comprises a main shaft (11) with two ends connected with a first support disc (12) and a second support disc (13), a support (14) with gathering teeth arranged between the first support disc (12) and the second support disc (13) and parallel to the main shaft (11), a track disc matching with the first support disc (12) and/ or the second support disc (13) and having an enclosed track groove (118), and at least one crank arms (117) rotatably arranged on the first support disc (12) and/or the second support disc (13). One ends of the crank arms (117) are fixedly connected with the support (14) and the other ends can perform motion in the track groove (118). The distance between each part of the track groove and the circular center of the track disc is different. The gathering and feeding device thereof helps increase gathering and feeding effect of the peanut picking machine.