The present utility model relates to the technical field of twin-screw extruders, and specifically discloses a vacuum gland capable of effectively reducing material leakage, comprising an extruder body and an open extruder barrel arranged on the extruder body. A gland body is arranged on the open extruder barrel, and the gland body is provided with a gland body embedded part inserted into the open extruder barrel. Twin screws are arranged inside the extruder body, the gland body embedded part is not closed and is provided with an opening corresponding to the twin screws, and a cofferdam is arranged on the gland body. The present utility model can effectively avoid vacuum material leakage and effectively prevent liquid small-molecule precipitates from flowing back into the open extruder barrel, with high reliability.
Country Code: CN
Application Number: CN202323288876.4
