Straw particle screening device

The utility model relates to a straw particle screening device and belongs to the field of particle screening devices. The straw particle screening device comprises a support and a swinging screen, the swinging screen is connected with a swinging screen speed reducer, a bucket elevator is arranged on one side of the support, a discharge end at the top of the bucket elevator is connected with a feed end of the swinging screen through a chute, the swinging screen is installed on the support in an inclined downward mode, an ash bucket is mounted below the swinging screen, and the ash bucket is fixed on the support. According to the straw particle screening device, the swinging screen is installed on the support in the inclined downward mode, so that when qualified particles are screened, the blanking is smooth, materials can not be blocked, the reliable operation of the device can be guaranteed, the screening effect is guaranteed, screened scraps and small particles fall into the ash bucket to be recycled, and q