Heat preserving device for plastic extrusion die outlet

• Main Authors: WANG JIAN, LIN HUABING, CHEN SHENG, CAO LILIAN, LI TAO
• Format: Patent
• Language: Chinese; English
• Published: 26.12.2017
• 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 invention relates to the technical field of plastic manufacturing, in particular to a heat preserving device for a plastic extrusion die outlet. The heat preserving device for the plastic extrusion die outlet comprises a flange plate; a first sleeve is arranged on one side of the flange plate, and is internally provided with a second sleeve; a heat isolating layer is arranged between the first sleeve and the second sleeve; the end faces of the ends, away from the flange plate, of the first sleeve and the second sleeve are flushed with each other, and a connection ring is connected between the end faces; a heat preserving ring pipe is arranged on the surface of the inner side of the second sleeve; a heating box is arranged on the upper surface of the outer side of the first sleeve, and is internally provided with a heating device; an L-shaped outlet pipe is arranged on the side face of the end, close to the flange plate, of the heating box; an air blower is arranged at the end, close to the heating box, of