Metal plate assembling bin

The utility model provides a metal plate assembling bin which, from top to bottom, sequentially comprising a bin lid (1), an upper bin body (2), a middle bin body (3) and a bottom bin body (4), wherein the bin lid (1) is pressed mechanically, is molded at one time, and is provided with a plurality of reinforcing ribs (6), the periphery of the bin lid is provided with multiple sets of air vents (7), and the bin comprises a grain outlet (5) arranged in the upper bin body (2) or the middle bin body (3) or the bottom bin body (4). According to the metal plate assembling bin disclosed by the utility model, through using the concave-convex reinforcing ribs on each bin body, the prestressed strength of each bin body is enhanced, and the upper bin body and the middle bin body are supported and fixed, the bin can be used for accommodating grains through carrying out forward sleeved combination on the bin bodies, and the bin can be collected through carrying out reverse superimposed sleeving on the bin bodies, thereby