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Screw assembly for nano-powder master batch processing

A technology of screw combination and nano-powder, which is applied in the field of powder processing equipment, can solve the problems of affecting the performance of raw materials, low quality of raw material mixing and plastic, and unstable meshing and shearing, so as to achieve good quality of plastic and less heat of friction ,Screw meshing and shearing effect is stable and uniform

Active Publication Date: 2016-02-03
嘉兴高正新材料科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the raw materials used in the production of carbon fiber materials are not very stable under the meshing and shearing action of the screw in the barrel, and the quality of raw material mixing and plastics is relatively low, which seriously affects the performance of the raw materials.

Method used

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  • Screw assembly for nano-powder master batch processing
  • Screw assembly for nano-powder master batch processing
  • Screw assembly for nano-powder master batch processing

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Embodiment 1

[0030] Example 1: as figure 1 Shown: a screw combination for nano-powder masterbatch processing, including a twin-screw extruder, and a barrel arranged on the twin-screw extruder; two parallel screws 6 are arranged in the barrel, Each screw 6 is installed with a plurality of screw parts of different specifications; the screw 6 is symmetrically arranged in the barrel, and the rotation direction is the same,

[0031] One end of the screw 6 is connected to a screw bearing 7, and the screw bearing 7 drives the screw 6 to rotate. The screw 6 includes a spline shaft 6-1 with a spline, a screw element 6-2 and a kneading element 6-3; The inner holes of the threaded element 6-2 and the kneading element 6-3 are provided with spline grooves 6-4 corresponding to the splines on the splined shaft 6-1; a plurality of different forward and reverse threaded elements 6-2 and A plurality of different positive and reverse kneading elements 6-3 are arranged on the spline shaft 6-1 in sequence, an...

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Abstract

The invention relates to a screw assembly for nano-powder master batch processing. The screw assembly comprises a double-screw extruder and an extruder barrel arranged on the double-screw extruder. Two parallel screws (6) are arranged in the extruder barrel, and a plurality of screw parts of different specifications are installed on each screw (6). The screws (6) are symmetrically arranged in the extruder barrel and rotate in the same direction; by the adoption of the double-screw rotating extrusion mode, friction heat generated when raw materials are extruded is small, the screw meshing shearing effect on the raw materials is stable and uniform, and raw material mixing and plastic quality are good; due to double-screw meshing rotating work, the screw assembly does not affect the mechanical properties of the raw materials, energy is saved, and production cost is lowered.

Description

technical field [0001] The invention belongs to the technical field of powder processing equipment, and particularly relates to a screw combination used for processing nanometer powder master batches. Background technique [0002] The carbon fiber material contained in the nano-powder masterbatch is a new product developed in recent years. It is composed of a mixture of ultrafine powder material and polyacrylonitrile carbon fiber, and its strength can be as high as 250-560MPa, while the general ordinary powder material is usually only 12MPa. This powder material also has light weight, heat resistance, good flame retardant performance, etc. Advantages, suitable for various civil construction projects, is an excellent structural material, and can also be used in aerospace engineering. The process flow of carbon fiber material is: crushing and pre-homogenization; raw meal preparation and grinding; raw meal homogenization, screening and classification; preheating decomposition ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C47/62B29C47/64B29C47/84B29B9/06B29C48/67
CPCB29B9/06B29C48/65B29C48/67B29C48/82B29C48/845
Inventor 王鹏郑泓唐琦琦甄万清时艳南聂福
Owner 嘉兴高正新材料科技股份有限公司
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