Twin-screw extrusion device for pitch carbon fiber protofilament spinning device

Abstract

The invention relates to a twin-screw extrusion device for a pitch carbon fiber protofilament spinning device. The twin-screw extrusion device comprises a stander, an air blower temperature control opening and a cycloidal pin gear speed reducer, wherein a speed reducer is arranged on the stander, the output end of the speed reducer is connected with a gear box through a coupler, one ends of double screws are connected with the gear box, the other ends of the double screws are connected with a mould head, the peripheries of the double screws are sleeved by screw barrels, and the screw barrels are provided with heating blocks and cooling water jackets; the output end of the cycloidal pin gear speed reducer is connected with a feed screw, the tail end of the feed screw extends into a feed pipe, the feed pipe is connected with the screw barrels, and the screw barrels are connected with vacuum orifices. The twin-screw extrusion device disclosed by the invention is simple in structure and convenient to use and can effectively ensure the uniformity of the flow quantity of a fusant by adopting the internal-geared reverse double screws, effectively realize the control of temperature inside the fusant by utilizing the air blower temperature control opening and the heating block and ensure the uniformity of the fusant temperature.

Description

technical field [0001] The invention relates to spinning equipment, in particular to a twin-screw extruding device used in a pitch carbon fiber precursor spinning device. Background technique [0002] At present, single-screw extruders are used to extrude the melt in existing spinning equipment. Although single-screw extruders have the characteristics of low noise, stable operation, large bearing capacity and long life, the existing single-screw structure cannot take into account The uniformity of the flow rate of the bitumen melt, thereby greatly reducing the production efficiency. Contents of the invention [0003] In view of the above existing problems, the applicant has carried out research and improvement, and provides a twin-screw extrusion device for pitch carbon fiber precursor spinning device. The present invention can effectively ensure the uniformity of melt flow and temperature, greatly Increased production efficiency. [0004] The technical scheme adopte...

AI Technical Summary

Problems solved by technology

[0002] At present, single-screw extruders are used to extrude the melt in existing spinning equipment. Although single-screw extruders have the characteristics of low noise, stable operation, large bearing capacity and long life, the existing single-screw structure cannot take into account The uniformity of the flow rate of the bitumen melt, thereby greatly reducing the production efficiency

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