Double-screw assembly for extrusion molding processing of nylon and glass fiber, and processing method thereof

A glass fiber and twin-screw technology, which is applied in the field of nylon extrusion processing, can solve the problems of the decline in the quality of nylon and glass fiber extrusion processing products, and the screw combination cannot be well satisfied, so as to improve the shearing efficiency and extrusion. Effect, the effect of uniform slitting of strips

Active Publication Date: 2019-02-01
QINGDAO GON TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes a twin-screw combination for extrusion processing of nylon and glass fiber and its processing method, which solves the proble

Method used

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  • Double-screw assembly for extrusion molding processing of nylon and glass fiber, and processing method thereof
  • Double-screw assembly for extrusion molding processing of nylon and glass fiber, and processing method thereof
  • Double-screw assembly for extrusion molding processing of nylon and glass fiber, and processing method thereof

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Experimental program
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Effect test

Embodiment 1

[0035] See attached figure 1 , a twin-screw combination used for nylon and glass fiber extrusion processing of the present invention includes two screws, the two screws mesh with each other, and each screw includes a plurality of threaded elements and a plurality of kneading elements; each screw is divided into Conveying section 1, conveying compression section 2, plasticizing mixing section 3, first dispersing mixing section 4, natural exhaust side feeding and glass fiber section 5, glass fiber distribution mixing section 6, second dispersing mixing section connected in sequence 7. The vacuum exhaust section 8 and the conveying homogenization section 9 have a total of 9 sections; multiple thread elements include multiple forward thread elements and multiple reverse thread elements, and multiple kneading elements include multiple forward kneading elements and multiple Reverse kneading elements, threaded elements include any one or more of 22 / 11, 22 / 22, 32 / 32 or 48 / 48, kneading...

Embodiment 2

[0051] A twin-screw combination used for nylon and glass fiber extrusion processing of the present invention comprises two screws, the two screws mesh with each other, and each screw includes a plurality of threaded elements and a plurality of kneading elements; each screw is divided into Conveying section, conveying compression section, plasticizing mixing section, first dispersion mixing section, natural exhaust side feeding plus glass fiber section, glass fiber distribution mixing section, second dispersion mixing section, vacuum exhaust section and conveying section connected in sequence The homogenization section has a total of 9 sections; multiple screw elements include multiple forward screw elements and multiple reverse screw elements, multiple kneading elements include multiple forward kneading elements and multiple reverse kneading elements, screw elements include 22 / Any one or several of 11, 22 / 22, 32 / 32 or 48 / 48, the kneading element includes any one or several of ...

Embodiment 3

[0067] A twin-screw combination used for nylon and glass fiber extrusion processing of the present invention comprises two screws, the two screws mesh with each other, and each screw includes a plurality of threaded elements and a plurality of kneading elements; each screw is divided into Conveying section, conveying compression section, plasticizing mixing section, first dispersion mixing section, natural exhaust side feeding plus glass fiber section, glass fiber distribution mixing section, second dispersion mixing section, vacuum exhaust section and conveying section connected in sequence The homogenization section has a total of 9 sections; multiple screw elements include multiple forward screw elements and multiple reverse screw elements, multiple kneading elements include multiple forward kneading elements and multiple reverse kneading elements, screw elements include 22 / Any one or several of 11, 22 / 22, 32 / 32 or 48 / 48, the kneading element includes any one or several of ...

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Abstract

The invention provides a double-screw assembly for extrusion molding processing of nylon and glass fiber, and a processing method thereof. The double-screw assembly for extrusion molding processing ofthe nylon and the glass fiber comprises two screw rods meshing with each other, wherein each screw rod comprises multiple screw elements and multiple kneading elements; each screw rod is divided intoa conveying section, a conveying and compressing section, a plasticizing and mixing section, a first dispersing and mixing section, a glass fiber feeding section at the natural exhaust side, a glassfiber distributing and mixing section, a second dispersing and mixing section, a vacuum exhaust section and a conveying and homogenizing section connected sequentially; the screw elements comprise 22/11, 22/22, 32/32 or 48/48; and the kneading elements comprise 45/5/22, 45/5/32 or 90/5/32. The invention further provides the method for carrying out nylon extrusion molding processing on the double-screw assembly. The double-screw assembly provided by the invention is good in matching performance, an extruded material bar is smooth in surface and dense inside, no bar breakage phenomenon occurs during the extrusion process, the extruding pressure of a machine head is normal, the material bar is uniformly diced, and the product performance is good.

Description

technical field [0001] The invention relates to the technical field of nylon extrusion processing, in particular to a twin-screw combination used for nylon and glass fiber extrusion processing and a processing method thereof. Background technique [0002] Nylon is the most diverse and widely used engineering plastic in the world. The main varieties are: nylon 6 (PA6), nylon 66, nylon 610, etc. Nylon 6 is used in many fields. However, nylon 6 is flammable. Flame retardant nylon 6 with insulating performance is very necessary. At present, most people use the method of adding halogenated flame retardants for the flame retardant modification of nylon 6; however, the potential harm of traditional halogenated flame retardants to the human body and the environment is increasingly recognized and understood. The use of flame retardants has increasingly become a hot spot and an important direction for the development of today's flame retardant materials. Glass fiber reinforced halog...

Claims

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Application Information

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IPC IPC(8): B29C48/505B29C48/40
Inventor 王术滨韩博郑敏王鹤贾春晖
Owner QINGDAO GON TECHNOLOGY CO LTD
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