Vacuum defoaming device for coupling agent production

The utility model discloses a vacuum defoaming device for producing a coupling agent. The vacuum defoaming device comprises a sealed shell, a fixed base is arranged at the bottom end of the interior of the sealed shell, a PLC is arranged on the right front side of the sealed shell, a vacuum air pump is arranged on the right side of the sealed shell, the air pumping end of the vacuum air pump is communicated with the interior of the sealed shell, a vacuum gauge is arranged at the upper end of the interior of the sealed shell, and a moving unit is arranged on the upper side of the fixed base; a moving-out unit is arranged on the upper side of a movable table in the moving unit, four coupling agent bearing barrel fixing units are arranged on the inner wall of a placement table in the moving-out unit, and a lifting stirring unit is arranged at the upper end of the interior of the sealing shell, so that containing barrels for containing coupling agents can be conveniently placed and taken out, and the containing b