Air sucking cleaner special for small combine installation

The utility model discloses a wind sucking type cleaning device which is especially used for the installation and the use of minitype combine, wherein the wind sucking type cleaning and winnowing device is arranged at the point of a discharge port of the minitype combine, and is connected with the discharge port of the combine through a connecting transition tube 6 of the combine; the connecting transition pipe 6 of the combine is connected with a winnowing separator tube 5 of which the lower end is provided with a grain outlet 7, and the upper end of the winnowing separator tube 5 is connected with a blower connecting tube 4; the other end of the blower connecting tube 4 is connected with a blower 3 which is arranged at the top of the combine; a shaft of the blower is provided with a bearing 2 and a belt pulley 1, and the blower 3 is connected with two pipelines; one pipeline is the blower connecting tube 4, and the other pipeline is a pipeline which is connected with an impurity outlet. The utility model has the advantages of simple structure and low cost; the utility model can reap, and simultaneously can clean and winnow grain without increasing dynamic force of the combine so as to enable impurity containing rate of the grain to descend in vast scale; in addition, the utility model can just improve using performance of the combine in vast scale and improve operational efficiency only through increasing about cost of 300 Yuan.