Agricultural mechanical grain screening equipment

The utility model provides agricultural mechanical grain screening equipment, which belongs to the technical field of agricultural mechanical devices and comprises a screening box, a plurality of welding columns and a screen, the top of the screening box is of an open hollow structure, the welding columns are respectively welded at four ends of the bottom of the screening box, and the screen is arranged in the screening box. A perspective glass plate is arranged at the front end of the screening box, grooves are formed in the left end and the right end in the screening box, a vibration rod is arranged in each groove, the screen is arranged between the two vibration rods, meanwhile, the left end and the right end of the screen are fixedly connected with the vibration rods, and a connecting plate is arranged at the lower end of the screen. And the lower end of the connecting plate communicates with a conveying pipe. According to the agricultural mechanical grain screening equipment, straw can be softened in the