Stock bin adjusting device

The utility model relates to a stock bin adjusting device which comprises a fixed stock bin body, expansion stock bin bodies and adjusting assemblies, the expansion stock bin bodies are symmetrically connected to the two sides of the fixed stock bin body in a sliding mode, and the adjusting assemblies are symmetrically arranged above and below the fixed stock bin body. The adjusting assembly comprises a rotating screw tube, a driving shaft, a first bevel gear and a second bevel gear. The utility model has the beneficial effects that in actual use, firstly, the driving shaft drives the second bevel gear; a second bevel gear is used for driving two first bevel gears to rotate, so that a rotating threaded pipe is used for rotating, the rotating threaded pipe is matched with a lead screw to drive the lead screw to move, and through the technical means, the problems that a traditional stock bin lacks an adjusting function, the size of the stock bin cannot be adjusted, and the occupied area is large are solved; com