CN104328520A - Flat membrane wire drawing method of plastic - Google Patents
Flat membrane wire drawing method of plastic Download PDFInfo
- Publication number
- CN104328520A CN104328520A CN201410486649.9A CN201410486649A CN104328520A CN 104328520 A CN104328520 A CN 104328520A CN 201410486649 A CN201410486649 A CN 201410486649A CN 104328520 A CN104328520 A CN 104328520A
- Authority
- CN
- China
- Prior art keywords
- raw material
- plastic cement
- wire drawing
- drawing process
- flat film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention discloses a flat membrane wire drawing method of plastic. The method comprises the following steps: (1) selecting a raw material; (2) performing first heating; (3) performing wire drawing; (4) cooling. By such a mode, the flat membrane wire drawing method of the plastic has the advantages of novel structure, optimal design, economy, practicability, stableness in wire drawing, uniformness, smoothness, solidness, durability and the like, and has broad market prospect.
Description
Technical field
The present invention relates to plasthetics field, particularly relate to a kind of flat film drawing process of plastic cement.
Background technology
Plasthetics is widely used in the every field of current life, comprise household electrical appliance, instrument and meter, electric wire, construction equipment, communication electronics, auto industry, space flight and aviation, haberdashery and hardware etc., wherein plastic cement wire drawing is conducive to the intensity and the toughness that increase plastic cement, be conducive in addition preparing plastic film, and existing wire-drawing technology generally have impact on the performance such as stability, smoothness of wire drawing because variations in temperature is violent, wire drawing quality is seriously affected.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of flat film drawing process of plastic cement, by using the methods such as Multi-stage heating, multistage stretching and air-flow cooling in plastic cement wire-drawing technology, overcome temperature, deformation acute variation and affect the defect of performance, thus improve the uniformity of wire drawing, smoothness and stability, plastic cement flat film drawing process universal on have market prospects widely.
For solving the problems of the technologies described above, the invention provides a kind of flat film drawing process of plastic cement, comprise: (1) chooses raw material: choose pure polypropylene, high density polyethylene (HDPE), linear low density polyethylene as raw material, raw material is pulverized and is less than the graininess of 3mm to increase the uniformity of wire drawing for particle diameter is less than the Powdered of 0.1mm or rubs for particle diameter;
(2) first time heating: raw material is placed fire insulation heating at the temperature of 140 ~ 380 DEG C in a device, and use mixing plant to carry out stirring to make it be heated evenly;
(3) wire drawing: can drawing process be carried out after abundant agitating heating 15min, raw material is extruded by use equipment, cut open silk, stretching, its Raw utilizes heating collar to carry out second time heating when extruding, stretch and adopt multistage stretching equipment to stretch, the air-flow that during stretching, conveying is contrary with draw direction, to protect uniformity and the stability of wire drawing;
(4) cool: continue delivery air until plastic cement silk is cooled to less than 50 DEG C.
In a preferred embodiment of the present invention, the stirring in step (2) comprises vertical direction and stirs up and down and the stirring of horizontal direction annular.
In a preferred embodiment of the present invention, the pulling force of the described multistage stretching equipment in step (3) increases successively.
In a preferred embodiment of the present invention, the described air-flow in step (3), (4) adopts nitrogen, carbon dioxide or inert gas.
The invention has the beneficial effects as follows: plastic cement of the present invention flat film drawing process has novel structure, design optimization, economical and practical, wire drawing stable, the advantage such as uniform and smooth, sturdy and durable, plastic cement flat film drawing process universal on have market prospects widely.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
A flat film drawing process for plastic cement, comprising:
(1) raw material is chosen: choose pure polypropylene, high density polyethylene (HDPE), linear low density polyethylene as raw material, require that impurity content is lower than 1%, from source the quality of control products, wherein raw material sources are extensive, cost is low, economical and practical, raw material is pulverized and is less than the Powdered of 0.1mm for particle diameter or rubs as particle diameter is less than the graininess of 3mm, considerably increase the surface area of raw material, thus be conducive to the uniformity increasing the uniformity and the wire drawing of being heated;
(2) first time heating: raw material is placed fire insulation heating at the temperature of 140 ~ 380 DEG C in a device, and use mixing plant to carry out stirring to make it be heated evenly be heat first time herein;
(3) wire drawing: can drawing process be carried out after abundant agitating heating 15min, raw material is extruded by use equipment, cut open silk, stretching, its Raw utilizes heating collar to carry out second time heating when extruding, the temperature of second time heating is higher than the temperature heated for the first time, the method of Multi-stage heating is adopted to overcome the variations in temperature acutely generation of the situations such as fracture of wire, stretch and adopt multistage stretching equipment to stretch, increase pulling force gradually, thus increase the dynamics and the uniformity that stretch, the air-flow that during stretching, conveying is contrary with draw direction, to protect uniformity and the stability of wire drawing;
(4) cool: continue delivery air until plastic cement silk is cooled to less than 50 DEG C, prevent from lowering the temperature and acutely shrink fracture.
Preferably, the stirring in step (2) comprises vertical direction and stirs up and down and the stirring of horizontal direction annular, stirs.
Preferably, the pulling force of the described multistage stretching equipment in step (3) increases successively.
Preferably, the described air-flow in step (3), (4) adopts nitrogen, carbon dioxide or inert gas, prevents high temperature to be oxidized.
The beneficial effect of the flat film drawing process of plastic cement of the present invention is:
One, by using the method such as Multi-stage heating, multistage stretching in plastic cement wire-drawing technology, overcome temperature, deformation acute variation and affect the defect of performance, thus improve the uniformity of wire drawing, smoothness and stability;
Two, be less than the Powdered of 0.1mm for particle diameter by raw material is pulverized or rub as particle diameter is less than the graininess of 3mm, considerably increasing the surface area of raw material, thus be conducive to the uniformity increasing the uniformity and the wire drawing of being heated.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a flat film drawing process for plastic cement, is characterized in that, comprising:
(1) choose raw material: choose pure polypropylene, high density polyethylene (HDPE), linear low density polyethylene as raw material, raw material is pulverized and is less than the graininess of 3mm to increase the uniformity of wire drawing for particle diameter is less than the Powdered of 0.1mm or rubs for particle diameter;
(2) first time heating: raw material is placed fire insulation heating at the temperature of 140 ~ 380 DEG C in a device, and use mixing plant to carry out stirring to make it be heated evenly;
(3) wire drawing: can drawing process be carried out after abundant agitating heating 15min, raw material is extruded by use equipment, cut open silk, stretching, its Raw utilizes heating collar to carry out second time heating when extruding, stretch and adopt multistage stretching equipment to stretch, the air-flow that during stretching, conveying is contrary with draw direction, to protect uniformity and the stability of wire drawing;
(4) cool: continue delivery air until plastic cement silk is cooled to less than 50 DEG C.
2. the flat film drawing process of plastic cement according to claim 1, is characterized in that, the stirring in step (2) comprises vertical direction and stirs up and down and the stirring of horizontal direction annular.
3. the flat film drawing process of plastic cement according to claim 1, is characterized in that, the pulling force of the described multistage stretching equipment in step (3) increases successively.
4. the flat film drawing process of plastic cement according to claim 1, is characterized in that, the described air-flow in step (3), (4) adopts nitrogen, carbon dioxide or inert gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410486649.9A CN104328520A (en) | 2014-09-23 | 2014-09-23 | Flat membrane wire drawing method of plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410486649.9A CN104328520A (en) | 2014-09-23 | 2014-09-23 | Flat membrane wire drawing method of plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104328520A true CN104328520A (en) | 2015-02-04 |
Family
ID=52403324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410486649.9A Pending CN104328520A (en) | 2014-09-23 | 2014-09-23 | Flat membrane wire drawing method of plastic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104328520A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1105029A (en) * | 1965-06-14 | 1968-03-06 | Saint Freres | Improvements in or relating to methods and apparatus for drawing synthetic polymer tapes and products thus obtained |
| CN101311387A (en) * | 2007-05-21 | 2008-11-26 | 高华 | Production process of high-strength and ageing resistance polypropylene flat yarn |
| CN201545943U (en) * | 2009-09-15 | 2010-08-11 | 南通庞蓉包装材料有限公司 | Plastic flat film drawing machine |
| CN201545944U (en) * | 2009-09-15 | 2010-08-11 | 南通庞蓉包装材料有限公司 | Plastic flat film drawing machine set |
| CN101935894A (en) * | 2010-09-02 | 2011-01-05 | 王庆昭 | Method and equipment for preparing ultrahigh molecular weight polyethylene fibers |
| CN102744885A (en) * | 2012-06-18 | 2012-10-24 | 上海百菲特环保科技有限公司 | Preparation method of ultrahigh molecular weight polyethylene flat membrane |
| CN202530211U (en) * | 2012-04-10 | 2012-11-14 | 天津市旭辉恒远塑料包装有限公司 | Plastic extrusion flat-die wiredrawing set capable of heating twice |
| CN102888666A (en) * | 2012-09-14 | 2013-01-23 | 常州商隆产业用纺织品有限公司 | Technological process for producing high-density polyethylene high-daniel filament |
-
2014
- 2014-09-23 CN CN201410486649.9A patent/CN104328520A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1105029A (en) * | 1965-06-14 | 1968-03-06 | Saint Freres | Improvements in or relating to methods and apparatus for drawing synthetic polymer tapes and products thus obtained |
| CN101311387A (en) * | 2007-05-21 | 2008-11-26 | 高华 | Production process of high-strength and ageing resistance polypropylene flat yarn |
| CN201545943U (en) * | 2009-09-15 | 2010-08-11 | 南通庞蓉包装材料有限公司 | Plastic flat film drawing machine |
| CN201545944U (en) * | 2009-09-15 | 2010-08-11 | 南通庞蓉包装材料有限公司 | Plastic flat film drawing machine set |
| CN101935894A (en) * | 2010-09-02 | 2011-01-05 | 王庆昭 | Method and equipment for preparing ultrahigh molecular weight polyethylene fibers |
| CN202530211U (en) * | 2012-04-10 | 2012-11-14 | 天津市旭辉恒远塑料包装有限公司 | Plastic extrusion flat-die wiredrawing set capable of heating twice |
| CN102744885A (en) * | 2012-06-18 | 2012-10-24 | 上海百菲特环保科技有限公司 | Preparation method of ultrahigh molecular weight polyethylene flat membrane |
| CN102888666A (en) * | 2012-09-14 | 2013-01-23 | 常州商隆产业用纺织品有限公司 | Technological process for producing high-density polyethylene high-daniel filament |
Non-Patent Citations (1)
| Title |
|---|
| 齐贵亮等: "《塑料挤出成型实用技术》", 30 September 2012 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206170452U (en) | Cooling device that plastics processing used | |
| CN109354752A (en) | Polyvinyl piping materials | |
| CN104558839A (en) | Ageing resisting master batche for spinning polypropylene material and products and preparation method for ageing resisting master batche | |
| CN103726126B (en) | PET is utilized to produce the method for flat filament | |
| CN103804940A (en) | Atmospheric pressure cold plasma modifying method for plant fiber and application of modifying method in wood-plastic composite material | |
| CN102888666B (en) | Produce the technical process of high density polyethylene (HDPE) height Denier silk | |
| CN107033436A (en) | Antistatic flame-resistant pipe and preparation method thereof | |
| CN104328520A (en) | Flat membrane wire drawing method of plastic | |
| CN103963306A (en) | Production system for supercritical gas PP physical foaming sheet | |
| CN103319828B (en) | preparation method of biodegradable plastic | |
| CN103978660A (en) | Single-screw extrusion cavity with good mixing effect | |
| CN107141392B (en) | Process for synthesizing chlorinated linear low-density polyethylene | |
| CN105348620A (en) | Weather-proof chemically-crosslinked polyethylene insulated material resistant to temperature of 150 DEG C | |
| CN106220972A (en) | A kind of modification regeneration polyethylene drip irrigation materials in the tube and preparation method thereof | |
| CN103276463B (en) | A kind of technique of reeling off raw silk from cocoons of high strength twine | |
| CN107706324A (en) | A kind of alkaline battery PP sealing rings of high-strength anti-flaming and preparation method thereof | |
| CN104371231B (en) | A kind of medical macromolecular materials and preparation method thereof | |
| CN106905610A (en) | A kind of preparation method for being applied to polyacrylic damage resistant agent | |
| CN114106451A (en) | Ethylene-vinyl acetate copolymer EVA refrigerator door seal particle and preparation method thereof | |
| CN103600484B (en) | The production method of plastic wood sheet | |
| CN207059197U (en) | A kind of ring type cooling device of blow moulding machine | |
| CN105315660A (en) | Environment-friendly plastic material and preparation method thereof | |
| CN104438398A (en) | Cone processing technology for seamless steel tube | |
| CN107602983A (en) | A kind of ultrahigh molecular weight polyethylene tubing and preparation method thereof | |
| CN107365399B (en) | Chlorinated linear low-density polyethylene |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150204 |
|
| RJ01 | Rejection of invention patent application after publication |