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High-polymer equal path-way corner continuous extruder

A technology of equal channel corners and extrusion devices, which is applied in the field of plastic extrusion molding machinery, can solve the problems of self-reinforcing extrusion of long parts, achieve broad application prospects and practical value, improve material properties, and enhance plastic processing Industry-Level Effects

Inactive Publication Date: 2004-10-06
TIANJIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The polymer passes through the corner channel of the corner die under the action of the punch. This kind of die cannot perform self-reinforcing extrusion of long parts due to structural limitations, especially the extrusion of long profiles and wires.

Method used

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  • High-polymer equal path-way corner continuous extruder
  • High-polymer equal path-way corner continuous extruder
  • High-polymer equal path-way corner continuous extruder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0014] Embodiment: a kind of high polymer equichannel corner continuous extrusion device (see figure 1 ), is characterized in that it is made up of frame 1, friction sheave 5, guide wheel 2, block 11, fixed plate 8 and base plate 9, said fixed plate 8 is connected with base plate 9 with set screw 15, There is a frame 1 on the fixed plate 8, the guide wheel 2 and the friction sheave 5 are installed on the frame 1 according to their respective shafts 4 and installation keys 3, and the outer edge of the center line of the two wheels 2 and 5 is the material 17 inlet channel , the lower part of the block 11 and the channel on the fixed plate 8 form the outlet channel of the material 17, the lower corner of the block 11 has an arc with a radius different from that of the friction sheave 5, and forms a tapered arc channel with the outer edge of the friction sheave 5 , the above-mentioned material inlet channel, tapered arc channel and material outlet channel are equal channel corner ...

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PUM

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Abstract

The channel cornering angle continuously-extruding equipment for polymer is characterized by that is consists of machine frame, friction groove wheel, guide wheel, stop dog, fixing plate and bottom plate, at external edge of central line of two wheels a material inlet channel is set, the lower portion of stop dog and groove on the fixing plate are formed into the material outlet channel, and the lower corner portion of the stop dog has a reducing arc channel formed from said lower corner portion of the stop dog and external edge of friction groove wheel, the above-mentioned material inlet channel, reducing arc channel and material outlet channel are mutually communicated and formed into the channel cornering angle continuously-extruding channel. The material outlet is equipped with a pressure-regulating device.

Description

(1) Technical field: [0001] The invention relates to a plastic extrusion molding machine, in particular to a high polymer self-reinforced equal channel corner continuous extrusion device. (two) background technology: [0002] With the development of economy, China has become a big country of plastics industry. The research shows that the polymer materials used today still have a great strength potential that can be exploited. Polymer equal channel angular extrusion technology is a new technology for polymer self-reinforcement researched in recent years, and its self-reinforcement principle is figure 1 Shown: When the polymer passes through the corner of two mold channels with the same cross-sectional shape at a certain angle under the action of force P, the flow field direction of the material changes suddenly at the corner, causing flow at the end Velocity gradient, the velocity gradient causes the polymer to form a shear flow, and under the action of the shear flow, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C43/24
Inventor 崔宏祥
Owner TIANJIN UNIVERSITY OF TECHNOLOGY