Mixing device for fireproof glass production

The utility model discloses a material mixing device for fireproof glass production, which comprises a material mixing tank, a feeding hopper, a material mixing and stirring component, a screening component, an air outlet pipe and a discharging auger, the two feeding hoppers are arranged at the top end of the material mixing tank, fixedly connected to the top end wall of the material mixing tank and communicated with the interior of the material mixing tank, the material mixing and stirring assembly is located in the middle of the interior of the material mixing tank, and the upper end of the material mixing and stirring assembly extends out of the upper end of the material mixing tank and is provided with a motor; the air outlet pipe is located on one side of the mixing pipe and fixedly connected to the outer wall of one side of the mixing tank, and a filter screen is arranged at one end of an air outlet of the air outlet pipe; the screening assembly is located on the upper portion of the interior of the mix