Sizing material mixing device

The utility model discloses a glue mixing device, particularly relates to the technical field of glue mixing, and mainly comprises a glue mixing box, two cover plates are welded at the top end of the glue mixing box, the top ends of the cover plates are welded and communicated with a lower discharge pipe, and a filtering and cleaning mechanism is mounted at the top end of the lower discharge pipe; the filtering and cleaning mechanism comprises a lower discharging hopper installed at the top end of the lower discharging pipe, and a sealing ring is inserted into the upper portion of the lower discharging hopper. According to the device, the filtering and cleaning mechanism is arranged, a filter screen pore plate in the glue guide hopper is used for filtering, wood fiber impurities with large particle fineness can be accumulated at the position above the filter screen pore plate, and a speed reduction rotating motor drives a rotating shaft rod to clockwise rotate by 180 degrees; the filter mesh plate can rotate