CN106978663A - A kind of small test drafting machine for preparing high-strength and high-modulus long filament - Google Patents
A kind of small test drafting machine for preparing high-strength and high-modulus long filament Download PDFInfo
- Publication number
- CN106978663A CN106978663A CN201710247941.9A CN201710247941A CN106978663A CN 106978663 A CN106978663 A CN 106978663A CN 201710247941 A CN201710247941 A CN 201710247941A CN 106978663 A CN106978663 A CN 106978663A
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- China
- Prior art keywords
- strength
- long filament
- small test
- drafting system
- modulus
- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
- D02J1/228—Stretching in two or more steps, with or without intermediate steps
Abstract
The present invention relates to a kind of small test drafting machine for preparing high-strength and high-modulus long filament, including heater, the both sides of heater are separately installed with left drafting system and right drafting system, the side of left drafting system is provided with left guide wire apparatus and left wire winding device, and the side of right drafting system is provided with right guide wire apparatus and right wire winding device.As-spun fibre of the invention by setting certain length, can be stretched, so that fiber reaches the purpose of high-strength and high-modulus back and forth as needed between left drafting system and right drafting system.The present invention has easy to operate, more economical, it is easy to the advantages of promoting, developmental research of the suitable colleges and universities and scientific research institutions to all kinds of tencels.
Description
Technical field
The present invention relates to a kind of small-size experiment equipment for preparing high-strength and high-modulus filament fiber material post-processing stretching, mainly
Small test for the high mould long filament of the extraordinary modified high-strength such as long filament and terylene, polypropylene fibre, polyamide fibre of the high performance such as PPS, PES, PEEK
Development equipment.
Background technology
Fiber obtain high-strength and high-modulus basic demand be：The molecular weight of the fiber is sufficiently large, and strand is closely piled up, and
And strictly along machine direction perfect rank.It is and this structural model could only be realized under two kinds of extreme cases, i.e., very firm
Property molecule and flexible molecule.Rigid molecule not foldable, molecule can nature be fully extended, along active force side in process
To preferred orientation, parallel chain is formed, particularly if intermolecular force is very strong, liquid crystal cells are formed；Nonpolar flexible chain
Macromolecule, because intermolecular force is very small, easily stretches and is orientated.Conventional filament mainly reaches reason by macromolecular chain
The straight configuration thought is realized.
The obtained of high-strength and high-modulus filament fiber material is often by as-spun fibre in rear road drawing process, through multistage stretching
It is achieved.But in laboratory, especially colleges and universities, due to being limited by conditions such as place, engineering experiments, tend not to picture and exist
Enterprise is equipped with the pilot plant of multistage stretching like that, in order to which the pilot plant test product being close with large-scale production, this Shen is made
Please have developed can prepare the small test drafting machine of high-strength and high-modulus long filament.Thus the present invention produces.
The content of the invention
For the above-mentioned technical problem of prior art, in order to realize the high-strength and high-modulus performance of conventional chemical fibre continuous yarn product, this
The purpose of invention is to provide a kind of small test drafting machine for preparing high-strength and high-modulus long filament, its have it is easy to operate, it is more economical,
Easy to spread the advantages of, it is adapted to the developmental research of colleges and universities and scientific research institutions to all kinds of tencels.
To reach above-mentioned purpose, the present invention is achieved by the following technical solutions：
A kind of small test drafting machine for preparing high-strength and high-modulus long filament, including heater, the two of the heater
Side is separately installed with left drafting system and right drafting system, the side of the left drafting system be provided with left guide wire apparatus and it is left around
Silk device, the side of the right drafting system is provided with right guide wire apparatus and right wire winding device.
Described heater includes hot tank and heating roller, and the both sides of the hot tank are equipped with godet, the heating roller
Lower section be provided with godet, the outside of the heater box is provided with handle.
Described hot tank includes hot box cover and hot tank lower cover, and described hot box cover both sides are provided with handle, described heat
Box cover and hot tank lower cover are equipped with groove, during closure, described groove formation wire casing, and during work, long filament passes through out of wire casing.
It is provided with the groove of the hot box cover outside nitrogen access apertures, the nitrogen access apertures and connects nitrogen device.
Described heating roller is provided with hot-rolling outer cover.
The left drafting system is identical with the structure of right drafting system, including drawing-off disk, and the top of the drawing-off disk is provided with
Guide wheel, described guide wheel is provided with several smooth grooves, and the both sides of guide wheel are respectively equipped with godet and live-roller.
The left guide wire apparatus is identical with the structure of right guide wire apparatus, including base, and described base is provided with chute, institute
Conductive filament head is provided with the chute stated, the conductive filament head is movable along chute.
Beneficial effects of the present invention are as follows：
The present invention prepares the small test drafting machine of high-strength and high-modulus long filament, by setting the as-spun fibre of certain length,
Stretched back and forth between left drafting system and right drafting system, so that fiber reaches the purpose of high-strength and high-modulus.This
Invention has easy to operate, more economical, it is easy to the advantages of promoting, exploitation of the suitable colleges and universities and scientific research institutions to all kinds of tencels
Research.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 for the present invention in heater structural representation；
Fig. 3 for the present invention in left drafting system structural representation；
Fig. 4 for the present invention in left guide wire apparatus structural representation；
Wherein, 1 it is heater, 11 be heating roller, 12 be godet, 13 be handle, 14 be hot box cover, 15 is hot tank
Lower cover, 16 be groove, 17 be nitrogen access apertures, 18 be hot-rolling outer cover, 2 be left drafting system, 21 be drawing-off disk, 22 be guide wheel, 23
It is right drafting system for groove, 3,4 be left guide wire apparatus, 41 be base, 42 be chute, 43 be conductive filament head, 5 is left wrapping wire dress
Put, 6 be right guide wire apparatus, 7 be right wire winding device.
Embodiment
With reference to specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to
This.
As Figure 1-4, the present invention prepares the small test drafting machine of high-strength and high-modulus long filament, including heater 1, plus
The both sides of thermal 1 are separately installed with left drafting system 2 and right drafting system 3, and the side of left drafting system 2 is provided with left seal wire
Device 4 and left guide wire apparatus 5, the side of right drafting system 3 are provided with right guide wire apparatus 6 and right wire winding device 7.
Further set：
Heater 1 in the present invention includes hot tank and heating roller 11, and heating roller 11 is provided with hot-rolling outer cover 18, plays safety and protects
Shield is acted on.The both sides of hot tank are equipped with godet 12, and the lower section of heating roller 11 is provided with godet 12, and hot tank includes hot box cover 14
With hot tank lower cover 15, the hot left and right sides of box cover 14 is equipped with handle 13, to facilitate hot box cover to turn over conjunction, hot box cover about 14
14 and hot tank lower cover 15 be equipped with groove 16, provided with two nitrogen access apertures 17, the direction in two holes in the groove 16 of hot box cover 14
Respectively towards wire casing two ends, nitrogen access apertures 17 is outer to connect nitrogen device, opened when experiment nitrogen make fiber be difficult at high temperature by
Oxidation.During closure, the formation wire casing of groove 16, during work, long filament passes through out of wire casing.
Left drafting system 2 is identical with the structure of right drafting system 3, including drawing-off disk 21, and drawing-off disk 21 is cold dish, drawing-off disk
21 top is provided with guide wheel 22, and guide wheel 22 is provided with several smooth grooves 23, the present embodiment as 8 smooth grooves
23, and the both sides of guide wheel 22 are respectively equipped with godet 12 and live-roller 13, sub-wire is used during for around multi-turn tow.
Left guide wire apparatus 4 is identical with the structure of right guide wire apparatus 6, including base 41, and base 41 is provided with chute 42, chute
Conductive filament head 43 is provided with 42, chuck 43 is movable along chute 42.
The maximum traverse of left wire winding device 5 and right wire winding device 7 is 10-20cm, can carry out setting its traverse as needed
Size；Traversing speed is then adjusted according to wrapping wire linear velocity.
The application method that the present invention prepares the small test drafting machine of high-strength and high-modulus long filament is as follows：
Embodiment 1
The specification of as-spun fibre is：500dtex/96f PPS long filaments,
Physical index is：
Intensity：1.89cN/dtex
Degree of stretching：133.43%
Heated and stretched using hot tank, setting technological parameter is as follows：
Fixed tow length：1000m
Draw speed：160m/min
Draft temperature：180℃
Using 3.5 reciprocal stretchings, draw ratio sets as follows respectively：
DR1=1.2, DR2=1.15, DR3=1.1, DR4=1.1, DR5=1.05, DR6=1.05, DR7=1.05, always
Draw ratio=1.2 × 1.15 × 1.1 × 1.1 × 1.05 × 1.05 × 1.05=1.933
Using above multistage stretching, the draw ratio of fiber is set to reach 1.933, than conventional highest draw ratio once
1.71 (conventional fibre typically up to stretches digit=(precursor elongation+100)/100 × 1.05 × 0.7) improve 13%, finally
Intensity reaches 4.01cN/dtex [conventional tensile strength is 3.5 or so], while having been exempted to produce because one-off drawing is easily caused fiber
The phenomenon of lousiness, and do not reach so high draw ratio.
Embodiment 2
The specification of as-spun fibre is：600dtex/96f PES long filaments
Physical index is：
Intensity：1.55cN/dtex
Degree of stretching：143.33%
Heated and stretched using hot-rolling, setting technological parameter is as follows：
Fixed tow length：1000m
Draw speed：130m/min
Draft temperature：200℃
Using 4.5 reciprocal stretchings, draw ratio sets as follows respectively：
DR1=1.2, DR2=1.15, DR3=1.1, DR4=1.1, DR5=1.05, DR6=1.05, DR7=1.05,
DR7=1.05, total draw ratio=1.2 × 1.15 × 1.1 × 1.1 × 1.05 × 1.05 × 1.05 × 1.05=2.03.
Using above multistage stretching, the draw ratio of fiber is set to reach 2.03, than conventional highest draw ratio once
1.79 [conventional fibre typically up to stretches digit=(precursor elongation+100)/100 × 1.05 × 0.7] improve 13.41%, most
Whole intensity reaches 3.01cN/dtex (conventional tensile strength is 2.5 or so), while having been exempted from because one-off drawing is easily caused fiber production
Setation silk phenomenon, and do not reach so high draw ratio.
Above-described embodiment is only used for illustrating the inventive concept of the present invention, rather than the restriction to rights protection of the present invention,
All changes for carrying out unsubstantiality to the present invention using this design, all should fall into protection scope of the present invention.
Claims (7)
1. a kind of small test drafting machine for preparing high-strength and high-modulus long filament, it is characterised in that：Including heater, the heating
The both sides of device are separately installed with left drafting system and right drafting system, and the side of the left drafting system is provided with left seal wire dress
Put and right guide wire apparatus and right wire winding device are installed with left wire winding device, the side of the right drafting system.
2. the small test drafting machine of high-strength and high-modulus long filament is prepared as claimed in claim 1, it is characterised in that：Described heating
Device includes hot tank and heating roller, and the both sides of the hot tank are equipped with godet, and the lower section of the heating roller is provided with godet, institute
The outside for stating heater box is provided with handle.
3. the small test drafting machine of high-strength and high-modulus long filament is prepared as claimed in claim 2, it is characterised in that：Described hot tank
Including hot box cover and hot tank lower cover, described hot box cover both sides are provided with handle, and described hot box cover and hot tank lower cover is equal
Provided with groove, during closure, described groove formation wire casing, during work, long filament passes through out of wire casing.
4. the small test drafting machine of high-strength and high-modulus long filament is prepared as claimed in claim 3, it is characterised in that：In the hot tank
It is provided with the groove of lid outside nitrogen access apertures, the nitrogen access apertures and connects nitrogen device.
5. the small test drafting machine of high-strength and high-modulus long filament is prepared as claimed in claim 2, it is characterised in that：Described heating
Roller is provided with hot-rolling outer cover.
6. the small test drafting machine of high-strength and high-modulus long filament is prepared as claimed in claim 1, it is characterised in that：The left drawing-off
Device is identical with the structure of right drafting system, including drawing-off disk, and the top of the drawing-off disk, which is provided with guide wheel, described guide wheel, to be set
There are several smooth grooves, and the both sides of guide wheel are respectively equipped with godet and live-roller.
7. the small test drafting machine of high-strength and high-modulus long filament is prepared as claimed in claim 1, it is characterised in that：The left seal wire
Device is identical with the structure of right guide wire apparatus, including base, and described base is provided with chute, described chute and is provided with seal wire
Head, the conductive filament head is movable along chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247941.9A CN106978663A (en) | 2017-04-17 | 2017-04-17 | A kind of small test drafting machine for preparing high-strength and high-modulus long filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247941.9A CN106978663A (en) | 2017-04-17 | 2017-04-17 | A kind of small test drafting machine for preparing high-strength and high-modulus long filament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106978663A true CN106978663A (en) | 2017-07-25 |
Family
ID=59345493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710247941.9A Withdrawn CN106978663A (en) | 2017-04-17 | 2017-04-17 | A kind of small test drafting machine for preparing high-strength and high-modulus long filament |
Country Status (1)
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| CN (1) | CN106978663A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113308775A (en) * | 2019-06-30 | 2021-08-27 | 熊英姿 | Working method of fixed-distance drawing device for textile yarns |
| CN114262943A (en) * | 2021-12-30 | 2022-04-01 | 长乐恒申合纤科技有限公司 | Production process of regenerated full-dull nylon 6 filament |
-
2017
- 2017-04-17 CN CN201710247941.9A patent/CN106978663A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113308775A (en) * | 2019-06-30 | 2021-08-27 | 熊英姿 | Working method of fixed-distance drawing device for textile yarns |
| CN114262943A (en) * | 2021-12-30 | 2022-04-01 | 长乐恒申合纤科技有限公司 | Production process of regenerated full-dull nylon 6 filament |
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Application publication date: 20170725 |