Practical storage tank

The utility model relates to the technical field of silicone sealant storage, in particular to a practical material storage tank which comprises a tank body, the top of the tank body is fixedly connected with a top cover through a bolt, one side of the top cover is fixedly connected with a motor, the output end of the motor is fixedly connected with a threaded rod, and the threaded rod is fixedly connected with a nut. And one side of the top cover is fixedly connected with two limiting rods, the outer surfaces of the limiting rods are slidably connected with an annular scraping plate, and the bottom of the tank body is fixedly connected with a discharging port. Compared with the prior art, the silicone sealant discharging device has the advantages that the annular scraping plate is arranged in the tank body, after the silicone sealant in the tank body is discharged, the motor is started to drive the threaded rod to rotate, and the annular scraping plate in threaded connection with the threaded rod moves downw