Polytetrafluoroethylene paste extrusion die

• Main Author: DONG GUOFANG
• Format: Patent
• Language: Chinese; English
• Published: 18.04.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model discloses a polytetrafluoroethylene pasty extrusion die, including extruder column, pressure head, tank, change head and extrusion head, the pressure head is provided under the extruder column, change head is provided under the tank, extrusion head is provided under change head, change head is provided with first threaded hole and first external thread, and the first external thread is provided with second threaded hole and second external thread. The extrusion head is provided with a second external thread, a cone and an extrusion opening, the size of the extrusion head is not fixed, and the replacement head is fixed to the extrusion head through the first threaded hole and the second external thread; the purpose of extruding polytetrafluoroethylene filaments with different diameters is achieved by dismounting and replacing the replacement head, meanwhile, the machine column, the pressing head, the tank body, the replacement head and the extrusion head are mutually matched and fixed through