Novel double -screw extruder

• Main Author: ZHANG ZHENGGANG
• Format: Patent
• Language: English
• Published: 20.01.2016
• 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 novel double -screw extruder, including twin -screw extrusion device and hopper, twin -screw extrusion device and extrude and be equipped with the filter screen between the head, the hopper top is equipped with the pay -off and closes the detection switch, and its middle part is equipped with the pay -off and opens the detection switch, and the bottom of this hopper is passed through pull throughs and is fed through with defeated one end of expecting the screw rod, the output of defeated material screw rod and twin -screw extrusion device's feed inlet intercommunication, pull throughs includes the pivot and locates and change epaxial puddler that this pivot is passed through the shaft coupling and is linked to each other with the mediation motor, the utility model discloses simple structure, pull throughs and defeated one end intercommunication of expecting the screw rod are passed through to the bottom of hopper, have avoided the hopper bottom circumstances about stopping up to appear to reduce the operating personnel clearance and blockked up the used time, guaranteed production efficiency, twin -screw extrusion device and extrude the metallic impurity that the filter screen between the head can sneak into PVC resin powder and filter in transportation process guarantees the quality of PVC pipe.