Environment-friendly stone paper extrusion molding screw and environment-friendly stone paper extruder
Application Number  202020130519 Application Date  2020.01.20
Publication Number  212400277U Publication Date  2021.01.26
Priority Information    
International
Classification
 B29C48/00;B29C48/10;B29C48/59;B29C48/65;B29C48/68;B29C48/76;B29C55/28;C04B26/04  
Applicant(s) Name  JIA ZHONGQI  
Address    
Inventor(s) Name  JIA ZHONGQI;REN ZHEDONG;ZHAO XIAODONG;XUE TAO;WANG WENMAN  
Patent Agency Code  41111 Patent Agent  Zhang Liqiang
AbstractThe utility model relates to an environment-friendly stone paper extrusion molding screw which comprises a shaft part, a connecting handle arranged at the end part of the shaft part and used for beingconnected to extrusion equipment and a thread arranged on the shaft part, and a pressure stabilizing section is arranged on the screw; the shaft portion of the pressure stabilizing section is equal in diameter and thread pitch, the angle of a thread rear side chamfer R2 of the pressure stabilizing section is 2-3 times that of a front side chamfer R1, the radius range corresponding to the thread front side chamfer R1 of the pressure stabilizing section is 3-7 mm, and the radius range corresponding to the thread rear side chamfer R2 of the pressure stabilizing section is 6-19 mm. The utility model relates to an environment-friendly stone paper extruder. The environment-friendly stone paper extruder comprises a screw rod and a screw barrel, the extrusion device has good material dispersibility, stable extrusion amount and extrusion pressure, and is particularly suitable for extrusion production of stone paper formula materials.