Vacuum freeze drying device for promoting rapid sublimation of moisture

The utility model discloses a vacuum freeze-drying device for promoting rapid sublimation of moisture, which relates to the technical field of vacuum freeze-drying, and comprises a vacuum freeze-drying machine main body, a commodity shelf and a vacuum cover, the commodity shelf comprises a plurality of trays, a stir-frying mechanism and a material tray are arranged between two adjacent trays, and the vacuum cover is arranged on the vacuum freeze-drying machine main body. A plurality of driving mechanisms are arranged on one side of the vacuum cover, the stir-frying mechanism comprises a fixing rod, the fixing rod is fixedly arranged at the bottom end of the tray, a sleeve is arranged at the outer end of the fixing rod in a sleeving mode, a tooth-shaped scraping plate is fixedly arranged at the bottom end of the sleeve, and the tooth-shaped scraping plate is arranged at the top of the material tray and extends into the material tray. Materials are dried through the vacuum freeze dryer main body, and the stir-f