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Apparatus for production of fiber-reinforced resin strand

A manufacturing device and resin technology, applied in the field of manufacturing devices for fiber-reinforced resin strands, can solve problems such as manufacturing fiber-reinforced resin strands, and achieve the effects of suppressing sliding, increasing speed, and efficient heat exchange

Inactive Publication Date: 2009-05-13
KOBE STEEL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the above-mentioned fiber-reinforced resin strand manufacturing apparatus of Patent Document 1 has a problem that it is difficult to manufacture fiber-reinforced resin strands at a high production speed (for example, 40 m / min).

Method used

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  • Apparatus for production of fiber-reinforced resin strand
  • Apparatus for production of fiber-reinforced resin strand
  • Apparatus for production of fiber-reinforced resin strand

Examples

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Embodiment Construction

[0036] Hereinafter, a manufacturing apparatus of a fiber-reinforced resin strand according to an embodiment of the present invention will be described with reference to the drawings.

[0037] 1 is a schematic structural explanatory view of a manufacturing apparatus of a fiber-reinforced resin strand according to a first embodiment of the present invention, and FIG. 2 is a schematic perspective view of twisting rollers of the manufacturing apparatus of a fiber-reinforced resin strand according to a first embodiment of the present invention, image 3 It is a schematic perspective view of the twisting holding roll of the manufacturing apparatus of the fiber-reinforced resin strand which concerns on the 1st Embodiment of this invention.

[0038] An apparatus for manufacturing a fiber-reinforced resin strand according to a first embodiment of the present invention is configured as shown in FIG. 1 . That is, the manufacturing apparatus of fiber-reinforced resin strands has a pluralit...

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Abstract

An apparatus for production of fiber-reinforced resin strand excelling in durability that is capable of producing a fiber-reinforced resin strand at high production speed without sliding problem. There is provided an apparatus for production of fiber-reinforced resin strand comprising spreader (8) for fibrillation of reinforcing fiber bundle (3) disposed in cross head (5) into which molten resin material (2) is continuously fed from extruder (6); comprising, disposed downstream of exit nozzle (5a) of the cross head (5), twisting rollers (11a,11b) for drawing out fiber-reinforced resin strand (9) composed of a resin impregnated fiber bundle from the exit nozzle (5a) and for strand twisting; and comprising, disposed downstream of the twisting rollers (11a,11b), twist retention rollers (12a,12b) for retaining of the twist of the fiber-reinforced resin strand (9), wherein all the twisting rollers (11a,11b) and twist retention rollers (12a,12b) without exception are made of a metal with uneven surface.

Description

technical field [0001] The present invention relates to a manufacturing apparatus of a fiber-reinforced resin strand, and more specifically, to a manufacturing apparatus of a fiber-reinforced resin strand excellent in productivity of the fiber-reinforced resin strand. Background technique [0002] Granules obtained by cutting long strands of fiber-reinforced resin into, for example, about 3 to 15 mm, used to manufacture automotive interior parts (control boxes, instrument panels, etc.) and automotive exterior parts (bumpers, fenders, etc.) , Injection molded products such as casings of electronic equipment components (notebook computers, mobile phones, etc.). [0003] As technologies related to conventional examples of fiber-reinforced resin strands and their manufacturing apparatuses, for example, the following technologies are known. First, a manufacturing apparatus of a fiber-reinforced resin strand as Conventional Example 1 will be described with reference to FIG. 17 , ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B15/14B29B9/14B29K105/12
Inventor 多代直行山本淳福谷和久松原义明小川胜美
Owner KOBE STEEL LTD
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