A kind of multifunctional control valve with what extruder of what is closed in the utility model system,Main system includes that a valve seat and one adjust valve group,The valve seat system include an adjustment valve assembled portion and be separately connected what adjustment valve assembled portion it is left,The one body interconnecting piece and a mold interconnecting piece on right side,The what adjustment valve assembled portion system along it is upper,Lower direction has provided an assembly mouth,And along it is left,Right direction provides the material channel of the connection assembly mouth,The adjustment valve group system is correspondingly arranged the what assembly mouth,And the adjustment valve group system includes that a rotary valve base and one rotationally wear the adjustment valve rod of the what rotary valve base； The utility model can rotate the openings of sizes of the adjustment valve rod to adjust the material channel on demand,Extrusion pressure in feed change channel,The raw material squeezed out is set to be capable of forming the state of compact closely knit or bulk softness,To cooperate a variety of different demands.本新型係關於一種用於擠壓機之多功能控制閥，主要係包括一閥座及一調整閥組，該閥座係包括有一調整閥組裝部及分別連接於該調整閥組裝部左、右側的一機體連接部及一模具連接部，於該調整閥組裝部係沿著上、下方向貫設有一組裝口，並沿著左、右方向貫設有一連通該組裝口的原料通道，該調整閥組係對應設置於該組裝口，且該調整閥組係包括有一旋轉閥座及一可轉動地穿設於該旋轉閥座的調整閥桿；本新型可依需求轉動該調整閥桿以調整該原料通道的開口大小，改變原料通道內的擠出壓力，使擠出的原料能夠形成緊緻密實或膨鬆柔軟的狀態，來配合各種不同的需求。
