Storage device for product materials

The utility model relates to the technical field of material storage, in particular to a product material storage device which comprises a device base, a protective cover is fixedly connected to the middle of the upper surface of the device base, sealing plates are arranged at the front end and the rear end of the protective cover respectively, and sliding grooves are formed in the front surfaces and the rear surfaces of the two ends of the device base respectively. Compared with the prior art, through arrangement of a sealing plate, supporting plates and a movable block, in the using process of the device, firstly, the sealing plate drives the two supporting plates to slide towards the outside of the protective cover, so that materials can be more conveniently, rapidly and safely placed on the supporting plates to be stacked; and then the two sealing plates are driven by the movable blocks to seal the front end and the rear end of the protective cover, so that excessive influence of changes of the external e