CN113373533A - Slit drafting device - Google Patents
Slit drafting device Download PDFInfo
- Publication number
- CN113373533A CN113373533A CN202110628870.3A CN202110628870A CN113373533A CN 113373533 A CN113373533 A CN 113373533A CN 202110628870 A CN202110628870 A CN 202110628870A CN 113373533 A CN113373533 A CN 113373533A
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- CN
- China
- Prior art keywords
- air chamber
- air
- slit
- sleeve
- drafting
- 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
- 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
- D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
Abstract
The invention relates to the technical field of spinning, in particular to a slit drafting device which comprises a cooling mechanism and a drafting mechanism below a cold area mechanism, wherein the drafting mechanism comprises two sleeves which are symmetrically arranged, a first air chamber and a second air chamber are arranged in each sleeve, an air inlet is arranged outside the first air chamber, a through hole is formed between the first air chamber and the second air chamber, an adjusting component is arranged in the second air chamber, a slit area is arranged on one side of the second air chamber, the adjusting component can adjust the air outlet amount of the slit area, and the uniformity of drafted fibers is kept through the adjusting component and the cooling mechanism.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a slit drafting device.
Background
The production process of PET long fiber includes heating, melting and extruding the chip with screw, filtering the melt, extruding the melt with metering pump from the holes in the spinning plate of spinning apparatus to form filament flow, cooling the melt flow into filament in the quenching chamber, drafting in the drafting zone and spreading on the screen. The fiber is laid on a lapping machine to form a net, and is conveyed to a hot rolling mill through a transmission net curtain to be reinforced into cloth.
The aim of drafting is to arrange macromolecules along the axial direction of the fiber, namely, the degree of orientation is improved, so that the tensile property and the wear resistance of the fiber are improved.
Disclosure of Invention
In view of the above-described disadvantages, an object of the present invention is to provide a slit draft device that can uniformly draft a yarn during spinning and can uniformly form the yarn.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: the utility model provides a slit drafting arrangement, includes cooling body and the drafting mechanism in cold district mechanism below, the drafting mechanism is including two sleeves that the symmetry set up, the intraductal first air chamber and the second air chamber that is equipped with of cover, first air chamber is equipped with the air intake outward, is equipped with the through-hole between first air chamber and the second air chamber, the second air chamber is equipped with adjusting part, second air chamber one side is equipped with the slit district, adjusting part can adjust the air output of slit district.
As an improvement of the invention, the adjusting component comprises a rotating part in the sleeve and a lifting part in tooth connection with the rotating part, the rotating part is connected with a control switch, and the control switch extends out of the sleeve.
As an improvement of the invention, the lifting piece comprises a lifting rod and an adjusting ring, the adjusting ring is arc-shaped, one end of the adjusting ring is connected with the lifting rod, and the other end of the adjusting ring moves up and down in the slit area.
As an improvement of the present invention, the cooling mechanism includes a cooling box, and the cooling box is provided with an air inlet pipe and a plurality of air outlets.
As a modification of the invention, the top of the sleeve is provided with a cap.
As a modification of the invention, a plug is arranged at the bottom of the first air chamber.
The invention has the beneficial effects that: the air outlet condition of the slit area can be controlled through the temperature control of the cooling mechanism and the adjusting action of the adjusting component, and when the conditions such as uniformity, temperature and the like of the fibers before entering the drafting are not stable enough, the fibers can be stretched to a set value through the air inlet amount and the air inlet speed during the drafting, so that the fibers can be kept uniform.
The invention is further described with reference to the following figures and examples.
Drawings
FIG. 1 is a sectional view of a slit drafting apparatus of the present invention.
FIG. 2 is a schematic view of the lifting rod and the rotating member of the slit drafting apparatus of the present invention.
The reference numerals in the drawings are explained below.
1-sleeve, 2-first air chamber, 3-second air chamber, 4-air inlet, 5-slit area, 6-through hole, 7-adjusting ring, 8-lifting rod, 9-control switch, 10-rotating piece, 11-plug and 12-cap.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
In the production process of PET long fiber, melt is uniformly sprayed out of a spinneret plate and then is cooled in a quenching chamber, the cooled filament is drawn by a drawing device to achieve a certain orientation degree, the drawing of the filament is mechanical drawing and airflow drawing at present, the mechanical drawing refers to drawing of the filament by the action of mechanical force, the airflow drawing refers to drawing by the speed difference of airflow and fiber, so a series of indexes of the airflow in the drawing are factors determining the drawing effect of the drawn fiber, a slit drawing device is designed, and the fibers in different conditions from the spinneret plate can be dealt with by controlling the air volume and the speed of the drawn airflow.
Referring to fig. 1 to 2, a slit drafting device includes a cooling mechanism and a drafting mechanism below a cold zone mechanism, the drafting mechanism includes two symmetrically disposed sleeves 1, a first air chamber 2 and a second air chamber 3 are disposed in each of the two sleeves 1, an air inlet 4 is disposed outside the first air chamber 2, a through hole 6 is disposed between the first air chamber 2 and the second air chamber 3, a volume of the second air chamber 3 is 180L, preferably 150L, the second air chamber 3 is provided with an adjusting component, a slit zone 5 is disposed on one side of the second air chamber 3, the adjusting component can adjust an air output and a speed of the slit zone 5, and the adjusting component and an increased air chamber cavity act together to change an air flow direction and shorten a length of a drafting air duct.
In this embodiment, the adjusting assembly includes rotating part 10 in sleeve pipe 1 and the lifting piece that connects with rotating part 10 tooth, rotating part 10 is connected with control switch 9, control switch 9 extends outside sleeve pipe 1, lifting piece includes lifter 8 and adjusting ring 7, adjusting ring 7 is the arc, the one end of adjusting ring 7 is connected with lifter 8, the other end of adjusting ring 7 reciprocates in slit area 5, make rotating part 10 rotate through rotating control switch 9 outside sleeve pipe 1, the rotation of rotating part 10 drives lifter through the gear and reciprocates, lifter 8 and adjusting ring 7 reciprocate together, adjusting ring 7 is in second air chamber 3, lifter 8 has part in second air chamber 3, adjusting ring 7 can change the size in slit area 5 at the one end of slit area 5, thereby change air current amount of wind and speed when drafting.
In this embodiment, cooling body includes the cooler bin, and the cooler bin is equipped with into tuber pipe and a plurality of air outlet, and is preferred, and cooling body preferably adopts the side direction to blow, and the air current layer is the laminar flow, and the cooling air keeps even to this fibre that keeps coming out from the spinneret can reach stable even solidification effect when the cooling, provides the guarantee for subsequent draft.
Preferably, a cap 12 is arranged at the top of the sleeve 1, a plug 11 is arranged at the bottom of the first air chamber 2, and a sealing ring is arranged at the periphery of the second air chamber 3.
The working principle of the invention is as follows: the air flow of the slit area 5 is adjusted and controlled by an adjusting component in the drafting mechanism to control the air flow speed and the air volume of the drafting, and the drafting effect of the fiber is uniform under the action of the cooling mechanism, so that the drafted fiber has a uniform structure.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. In addition, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation, the use of the term being generic or similar to other means being encompassed by the invention.
Claims (6)
1. A slit draft device characterized in that: including cooling body and the drafting mechanism in cold district mechanism below, drafting mechanism is including two sleeve pipes (1) that the symmetry set up, be equipped with first air chamber (2) and second air chamber (3) in sleeve pipe (1), first air chamber (2) are equipped with air intake (4) outward, are equipped with through-hole (6) between first air chamber (2) and second air chamber (3), second air chamber (3) are equipped with adjusting part, second air chamber (3) one side is equipped with slit district (5), adjusting part can adjust the air output of slit district (5).
2. A slot drawing device as claimed in claim 1, wherein: the adjusting assembly comprises a rotating piece (10) in the sleeve (1) and a lifting piece in tooth joint with the rotating piece (10), the rotating piece (10) is connected with a control switch (9), and the control switch (9) extends out of the sleeve (1).
3. A slot drawing device as claimed in claim 2, wherein: the elevating part includes lifter (8) and adjustable ring (7), adjustable ring (7) are the arc, the one end of adjustable ring (7) with lifter (8) are connected, the other end of adjustable ring (7) is in slit district (5) reciprocates.
4. A slot drawing device as claimed in claim 1, wherein: the cooling mechanism comprises a cooling box, and the cooling box is provided with an air inlet pipe and a plurality of air outlets.
5. A slot drawing device as claimed in claim 1, wherein: the top of the sleeve (1) is provided with a cap (12).
6. A slot drawing device as claimed in claim 1, wherein: and a plug (11) is arranged at the bottom of the first air chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110628870.3A CN113373533A (en) | 2021-06-03 | 2021-06-03 | Slit drafting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110628870.3A CN113373533A (en) | 2021-06-03 | 2021-06-03 | Slit drafting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113373533A true CN113373533A (en) | 2021-09-10 |
Family
ID=77575957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110628870.3A Pending CN113373533A (en) | 2021-06-03 | 2021-06-03 | Slit drafting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113373533A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4961695A (en) * | 1988-03-07 | 1990-10-09 | Grunzweig & Hartman Ag | Facility for generating fibers, in particular mineral fibers, from a molten mass |
| US5814349A (en) * | 1996-05-21 | 1998-09-29 | Reifenhauser Gmbh & Co. Maschinenfabrik | Apparatus for the continuous production of a spun-bond web |
| CN1377427A (en) * | 1999-06-24 | 2002-10-30 | 吕德·格金 | Method and device for the production of an essentially continuous fine thread |
| US20030173701A1 (en) * | 2000-07-20 | 2003-09-18 | Warren Arseneau | Melt blowing apparatus with parallel flow filament attenuating slot |
| CN2641074Y (en) * | 2003-08-31 | 2004-09-15 | 单景连 | High speed airflow extension appts. |
| CN101092758A (en) * | 2007-06-05 | 2007-12-26 | 东华大学 | Module type air draft equipment in non-woven product line of spinning viscose |
| CN201062305Y (en) * | 2007-02-07 | 2008-05-21 | 东华大学 | Channel yarn distributing part in spunbonded web-formation interlaced fabric stream drafting device |
| CN201343607Y (en) * | 2009-01-16 | 2009-11-11 | 大连恒大高新材料开发有限公司 | Pipe type air flow drawing device |
| CN201390812Y (en) * | 2009-03-12 | 2010-01-27 | 大连华阳化纤工程技术有限公司 | Tubular air drafting machine with transition pipe |
| WO2012077638A1 (en) * | 2010-12-06 | 2012-06-14 | 三井化学株式会社 | Melt-blown nonwoven fabric, and production method and device for same |
| CN107061752A (en) * | 2017-03-21 | 2017-08-18 | 湖州师范学院 | A kind of globe valve cork runoff investigation mechanism |
| CN207646343U (en) * | 2017-12-26 | 2018-07-24 | 新疆金大禹环境科技有限公司 | A kind of tubular air drafting machine |
-
2021
- 2021-06-03 CN CN202110628870.3A patent/CN113373533A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4961695A (en) * | 1988-03-07 | 1990-10-09 | Grunzweig & Hartman Ag | Facility for generating fibers, in particular mineral fibers, from a molten mass |
| US5814349A (en) * | 1996-05-21 | 1998-09-29 | Reifenhauser Gmbh & Co. Maschinenfabrik | Apparatus for the continuous production of a spun-bond web |
| CN1377427A (en) * | 1999-06-24 | 2002-10-30 | 吕德·格金 | Method and device for the production of an essentially continuous fine thread |
| US6800226B1 (en) * | 1999-06-24 | 2004-10-05 | Gerking Lueder | Method and device for the production of an essentially continous fine thread |
| US20030173701A1 (en) * | 2000-07-20 | 2003-09-18 | Warren Arseneau | Melt blowing apparatus with parallel flow filament attenuating slot |
| CN2641074Y (en) * | 2003-08-31 | 2004-09-15 | 单景连 | High speed airflow extension appts. |
| CN201062305Y (en) * | 2007-02-07 | 2008-05-21 | 东华大学 | Channel yarn distributing part in spunbonded web-formation interlaced fabric stream drafting device |
| CN101092758A (en) * | 2007-06-05 | 2007-12-26 | 东华大学 | Module type air draft equipment in non-woven product line of spinning viscose |
| CN201343607Y (en) * | 2009-01-16 | 2009-11-11 | 大连恒大高新材料开发有限公司 | Pipe type air flow drawing device |
| CN201390812Y (en) * | 2009-03-12 | 2010-01-27 | 大连华阳化纤工程技术有限公司 | Tubular air drafting machine with transition pipe |
| WO2012077638A1 (en) * | 2010-12-06 | 2012-06-14 | 三井化学株式会社 | Melt-blown nonwoven fabric, and production method and device for same |
| CN107061752A (en) * | 2017-03-21 | 2017-08-18 | 湖州师范学院 | A kind of globe valve cork runoff investigation mechanism |
| CN207646343U (en) * | 2017-12-26 | 2018-07-24 | 新疆金大禹环境科技有限公司 | A kind of tubular air drafting machine |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210910 |
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| RJ01 | Rejection of invention patent application after publication |