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Method and apparatus for manufacturing continuous fiber reinforced material

A technology of continuous fibers and reinforcing materials, applied in the field of manufacturing continuous fiber reinforcing materials, can solve the problems of long impregnation time of fibers, and achieve the effect of reducing impregnation time, good compatibility effect and improving mechanical properties

Active Publication Date: 2017-02-15
上海睿麒塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Longer fiber impregnation time

Method used

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  • Method and apparatus for manufacturing continuous fiber reinforced material
  • Method and apparatus for manufacturing continuous fiber reinforced material
  • Method and apparatus for manufacturing continuous fiber reinforced material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Embodiment 1: the method for manufacturing continuous fiber reinforced material, this method comprises the steps:

[0041] Step 1, the continuous fiber on the creel 1 is drawn to the untwisting machine 2 through the tractor 4, and the continuous fiber includes inorganic continuous fiber, metal fiber, such as carbon fiber, glass fiber, basalt fiber, boron fiber, silicon carbide fiber, Copper fiber, stainless steel fiber, iron fiber, nickel fiber or a combination of at least two fibers, the fiber diameter is 3 μm to 40 μm, such as 5 μm, 10 μm, 15 μm, etc., and the number of fiber bundles is 100 to 50,000 .

[0042] Step 2, the continuous fiber processed by the untwisting machine is sent to several curved / straight dipping passages 30 of the dipping mold 3 through the tractor, here, there are 8 yarn bobbins coming out through the creel, and the dipping passages of the dipping mold It needs to match.

[0043] Step 3, the material processed by the screw extruder 7 is transp...

Embodiment 2

[0066] Embodiment 2: the method for manufacturing continuous fiber reinforced material, this method comprises the following steps: make the continuous fiber on the creel 1 be drawn to the untwisting machine 2 by the traction machine 4, eight yarn bobbins are installed on the creel , continuous fiber includes but not limited to glass fiber, basalt fiber, boron fiber, silicon carbide fiber, copper fiber, stainless steel fiber, iron fiber, nickel fiber; In the linear impregnation passage 30 (four impregnation passages are shown in the figure); the material processed by the screw extruder 7 is transported to the resin mixture inlet 31 of the impregnation mold through the melt pump 6, where the screw extruder is added The materials discharged from the machine include thermoplastic resin, plastic additive, and surface treatment agent, and the addition ratio of thermoplastic resin, plastic additive, and surface treatment agent is related to the weight of the continuous fiber. The weig...

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Abstract

The invention discloses a method and an apparatus for manufacturing a continuous fiber reinforced material. The method comprises the steps of sending the continuous fibers treated by an untwisting machine to a plurality of curve / linear dipping channels of a dipping mold through a towing machine; conveying materials processed by a screw extruder to a resin mixture inlet of the dipping mold through a melt pump; diffusing the resin mixture entering the mold through the resin mixture inlet into pressurization filter holes through the upper and lower stratospheres of the dipping mold, wherein the pressurization filter holes that are communicated with upper and lower stratospheres and form a hedging structure; introducing the resin mixture into the dipping channels through the pressurization filter holes; passing the resin mixture through the dipping channels under the effect of the towing machine after the resin mixture is introduced into the dipping channels from the dipping channel inlets; leading the resin mixture out through dipping channel outlets; and carrying out subsequent treatment by a post-processing technology. The apparatus and technological route plan can be used for preparing continuous fiber reinforced thermoplastic high-temperature plastics and continuous fiber reinforced polyformaldehyde plastics, and increase the material strength and impact resistance of the high-temperature plastics. The material can be used as a replacement for lightweight metal materials partially.

Description

technical field [0001] The invention relates to a method and device for manufacturing continuous fiber reinforced material. Background technique [0002] At present, there are continuous fiber-reinforced materials equipment (not including polyoxymethylene materials) using general-purpose plastics (materials with a melting point below 255°C) in China, but there are still some limitations in the application of processing equipment for materials with a melting point above 255°C. technical challenge. [0003] At present, the preparation of continuous fiber reinforced materials of general-purpose plastics (materials with a melting point below 255°C) relies on increasing the residence time of fibers in molten plastic raw materials to achieve the perfect effect of fiber impregnation. Fiber soaking time is longer. Contents of the invention [0004] The object of the present invention is to provide a method and device for manufacturing continuous fiber reinforced materials in ord...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C70/52
CPCB29C70/523B29C70/525
Inventor 苗鲁浜吴浙敏刘苏芹
Owner 上海睿麒塑业有限公司
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