Multi -functional screw rod

Multi -functional screw rod, including spiral shell head, first screw thread, first recess, second screw rod, first mixing section, first screw rod, second screw thread, third screw rod, slider, slide rail, interior axle, urceolus, second recess, the mixing section of third, the mixing section of second and fourth screw rod, the spiral shell head is installed on first screw rod, and the spiral shell is overhead installs a more than first screw thread, and both sides respectively are equipped with first recess about the first screw rod, and the third screw thread is installed outward to installation second screw rod in the first recess, second screw rod, and first screw rod left side is equipped with first mixing section, installs the fourth screw rod in the first mixing section, the utility model has the advantages that: can adjust the thread depth, mixing effect is good. 多功能螺杆，包括螺头、第螺纹、第凹槽、第二螺杆、第混炼段、第螺杆、第二螺纹、第三螺杆、滑块、滑轨、内轴、外筒、第二凹槽、第三混炼段、第二混炼段和第四螺杆，所述螺头安装在第螺杆上，螺头上安装有不止个第螺纹，第螺杆上下两侧各设有第凹槽，第凹槽内安装第二螺杆，第二螺杆外安装第三螺纹，