CN102418153A - Device for producing fine denier POY (polyester pre-orientated yarn) by head spinning method - Google Patents
Device for producing fine denier POY (polyester pre-orientated yarn) by head spinning method Download PDFInfo
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- CN102418153A CN102418153A CN2010105814741A CN201010581474A CN102418153A CN 102418153 A CN102418153 A CN 102418153A CN 2010105814741 A CN2010105814741 A CN 2010105814741A CN 201010581474 A CN201010581474 A CN 201010581474A CN 102418153 A CN102418153 A CN 102418153A
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Abstract
The invention discloses a device for producing fine denier POY (polyester pre-orientated yarn) by a head spinning method, which comprises a spinneret plate with a spinneret plate distribution plate and spinneret holes, and a side blowing device, wherein the spinneret plate distribution plate comprises a first part at the left side and a second part at the right side, and the first part and the second part are separated from each other; the spinneret plate comprises four rings of radially distributed spinneret holes, and the spinneret holes in each ring of spinneret holes are communicated by shallow grooves; each spinneret hole comprises a pilot hole groove and a microhole, and the pilot hole groove is provided with a cavity, a first-stage cone and a second-stage cone, so that two-stage cone angle transition is formed; and the microhole is arranged at the lower end of the second-stage cone, and a laminar device with a multi-layer structure is arranged on the side blowing device and is provided with oblique through holes. Therefore, the unevenness CV values and the size unevenness linear density deviation value of products can be reduced.
Description
Technical field
The present invention relates to the spining technology field, relate in particular to a kind of inferior head and spin the process units of producing thin dawn POY (Polyester Pre-Oriented Yarn).
Background technology
In the spining technology field, it is a kind of minute plate silk technology that inferior head spins, and polyester fondant is extruded the formation tow through assembly, and routine is spun and is the corresponding synnema of each assembly, and it is that an assembly is divided into two synnemas that inferior head spins, and the characteristics of this spinning process are that output is big, and energy consumption is low.It is a kind of important equipment that inferior head spins the process units of producing thin dawn POY; It is made up of hopper, screw extruder, measuring pump, manifold, blowing device, quenching air window, oil nozzle and coiling etc. usually, and its technical process mainly comprises: melt, metering, spinning, lateral blowing moulding, oil and coiling etc.
But there is following defective in the product that device fabrication of the prior art goes out:
1. the lateral blowing of blowing device manufacturing is inhomogeneous, causes evenness fault CV value higher, usually evenness fault CV value >=1.8%.
2. differ greatly when melt is divided into two, cause fiber number irregular, the irregular line density deviate of common fiber number >=2.5%.
Summary of the invention
The purpose of this invention is to provide a kind of inferior head and spin the process units of producing thin dawn POY, it can reduce the evenness fault CV value and the irregular line density deviate of fiber number of product.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of inferior head spins the process units of producing thin dawn POY, comprises spinnerets and lateral blowing device with spinnerets distribution plate, wherein,
Said spinnerets distribution plate is divided into first that is positioned at the left side and the second portion that is positioned at the right side; Said first and second parts are isolated each other; Said spinnerets comprises the radially-arranged spinneret orifice of four circles, and each spinneret orifice in every circle spinneret orifice is communicated with through shallow trench;
Said spinneret orifice comprises guide hole groove and micropore, and said guide hole groove comprises cavity, first order cone and the second level cone that sets gradually, thereby forms the two poles of the earth cone angle transition, and said micropore is arranged on the lower end of said second level centrum;
Said lateral blowing device is provided with the laminar flow device of sandwich construction, and said laminar flow utensil has a plurality of through holes that are obliquely installed.
As the optimization to technique scheme, the angle of taper scope of said first order cone is 70 °-90 °, and the angle of taper scope of said second level cone is 40 °-50 °, and the draw ratio scope of said micropore is 2.85-3.33.
As the optimization to technique scheme, the length of said micropore is 0.60mm, and the diameter range of said micropore is 0.18-0.21mm.
As the optimization to technique scheme, said laminar flow device is set to 32 layers, and said through-hole diameter is 100mm, and the angle of inclination of said through hole is the 5-30 degree.
As the optimization to technique scheme, said spinnerets is provided with filter screen, and said filter screen comprises range upon range of first, second and the 3rd metafiltration net arranged in a crossed manner.
As the optimization to technique scheme, the mesh quantity of said first, second and the 3rd metafiltration net is between the 600-1200 order.
As the optimization to technique scheme, the mesh count of said ground floor filter screen is 800 orders, and the mesh count of said second layer filter screen is 1200 orders, and the mesh count of said the 3rd metafiltration net is 600 orders.
As the optimization to technique scheme, the inside surface roughness of said cavity and first order cone is 0.8 μ m, and the inside surface roughness of said second level cone is 0.4 μ m, and the roughness of said micropore is 0.1 μ m.
Inferior head provided by the invention spins the process units of producing thin dawn POY, and its spinnerets distribution plate is divided into two parts, and four circle spinneret orifices are set on each part; Be communicated with through shallow trench between each spinneret orifice in every circle spinneret orifice, the pressure of melt in spinneret orifice is equated, and the guide hole groove of spinneret orifice be set to have the cone angle setting of first order cone and the two poles of the earth cone angle transition of second level cone; The draw ratio of the micropore of spinneret orifice is arranged on the lower end of second level cone; Simultaneously, also be provided with the laminar flow device of sandwich construction on the lateral blowing device, tow passes the through hole of the inclination of laminar flow device; The laminar flow device can make the wind speed of lateral blowing even, and forms drainage.Thereby the present invention can reduce the evenness fault CV value and the irregular line density deviate of fiber number of product.
Description of drawings
Fig. 1 is the structural representation that inferior head of the present invention spins the spinnerets of the process units of producing thin dawn POY.
Fig. 2 is the side-looking generalized section that inferior head of the present invention spins the spinneret orifice of the process units of producing thin dawn POY.
Fig. 3 is the structural representation that inferior head of the present invention spins the laminar flow device of the process units of producing thin dawn POY.
Fig. 4 is the side-looking structural representation that inferior head of the present invention spins the laminar flow device of the process units of producing thin dawn POY.
Fig. 5 is the plan structure sketch map that inferior head of the present invention spins the laminar flow device of the process units of producing thin dawn POY.
The specific embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Specific embodiment described herein is only in order to explaining the present invention, but and is not used in qualification the present invention.
As depicted in figs. 1 and 2, a kind of inferior head spins the process units of producing thin dawn POY, comprises the spinnerets 1 with spinnerets distribution plate 2 and spinneret orifice 3; With lateral blowing device (not shown); Wherein, spinnerets distribution plate 2 is divided into the first in left side and the second portion on right side, and first and second parts are isolated each other; Spinnerets 1 comprises the radially-arranged spinneret orifice 3 of four circles, and each spinneret orifice 3 in every circle spinneret orifice is communicated with through shallow trench 4; Spinneret orifice 3 comprises guide hole groove 5 and micropore 6; The guide hole groove has cavity, first order cone and second level cone, forms the two poles of the earth cone angle transition, and micropore 6 is arranged on the lower end of second level centrum; Also be provided with the laminar flow device 9 of sandwich construction on the lateral blowing device, laminar flow device 9 has the through hole 10 of inclination.
Inferior head provided by the invention spins the process units of producing thin dawn POY, and the spinnerets distribution plate is divided into first (left side) and second portion (right side), isolates each other between first and the second portion; Each part comprises equally distributed four circle spinneret orifices, is communicated with through shallow trench between each spinneret orifice in each circle spinneret orifice, makes after polyester fondant is ejected into spinnerets; Melt quantity in each spinneret orifice is even, and promptly the pressure of melt in spray silk groove equates, makes like this when the spray silk; Melt flow is even, and the strand fibrousness that ejects is even, and the guide hole groove of spinneret orifice is formed the transition of two-stage cone angle; Simultaneously, also be provided with the laminar flow device of sandwich construction on the lateral blowing device of the present invention, tow passes the through hole of the inclination of laminar flow device; The laminar flow device can make the wind speed of lateral blowing even, and forms drainage.Thereby the present invention can reduce the evenness fault CV value and the irregular line density deviate of fiber number of product.
Embodiment below in conjunction with more concrete explains to the present invention in more detail.
As shown in Figure 1; Spinnerets distribution plate 2 is divided into first (left side) and second portion (right side); Two parts about promptly being divided into), isolate each other between first and the second portion, each part comprises equally distributed four circle spinneret orifices 3; The spinneret orifice number is 72, can certainly be set to 144 by spinneret orifice.Be communicated with through shallow trench 4 between each spinneret orifice 3 in each circle spinneret orifice 3, make that the melt quantity in each spinneret orifice 3 is even after polyester fondant is ejected into spinnerets 1, promptly the pressure of melt in spray silk groove equates.Make that like this melt flow is even when the spray silk, the strand fibrousness that ejects is even.The present invention can also increase filter screen (not shown) before the three ply board on this basis, and the mesh quantity of filter screen increasing the back pressure of spinneret orifice 3, thereby improves the uniformity of melt at the 600-1200 order before every laminate.Preferably; Filter screen mesh quantity is that filter screen mesh quantity is that net mesh quantity is 600 orders before 1200 orders, the three ply board before 800 orders, second laminate before first laminate; Filter screen is range upon range of from top to bottom arranged in a crossed manner from three layers of ground floors to the before this three ply board, to form filter screen lamination before the high-precision plate.
As shown in Figure 2, spinneret orifice 3 comprises guide hole groove 5 and micropore 6; Its centre feed hole groove 5 comprises cavity, first order cone and second level cone, thereby forms the transition of two-stage cone angle.When the angle of taper of first order cone was preferably 90 °, the angle of taper of second level cone was 40 °.The roughness of guide hole groove 5 upper chamber is preferably 0.8 μ m, and the roughness of first order cone is preferably 0.8 μ m, and the roughness of second level cone is preferably 0.4 μ m.The length of micropore is preferred 0.60mm, and diameter range is 0.18-0.21mm, and the draw ratio scope of micropore is 2.85-3.33, and the roughness of micropore is preferred 0.1 μ m.Can know through overtesting, when the draw ratio of micropore 3.33 the time, can effectively control the fiber number bar and do inhomogeneous rate (CV), promptly the irregular line density deviation ratio of fiber number drops to below 2.0% from 2.5%, reaches the quality of conventional textile product.
Shown in Fig. 3-5, laminar flow device 9 of the present invention has sandwich construction, and sandwich construction can be so that the wind speed of the lateral blowing through laminar flow device 9 be more even.The present invention preferably adopts the laminar flow device 9 that is set to 32 layers.Simultaneously, laminar flow device 9 of the present invention has the through hole 10 of inclination, so that tow is accepted the lateral blowing cooling through this through hole 10.The diameter of through hole 10 of the present invention is 100mm, so that increase the blowing length of tow.
The above is merely preferred embodiment of the present invention, is not to be used for limiting practical range of the present invention; If do not break away from the spirit and scope of the present invention, the present invention is made amendment or is equal to replacement, all should be encompassed in the middle of the protection domain of claim of the present invention.
Claims (8)
1. an inferior head spins the process units of producing thin dawn POY, it is characterized in that, comprises spinnerets and lateral blowing device with spinnerets distribution plate, wherein,
Said spinnerets distribution plate is divided into first that is positioned at the left side and the second portion that is positioned at the right side; Said first and second parts are isolated each other; Said spinnerets comprises the radially-arranged spinneret orifice of four circles, and each spinneret orifice in every circle spinneret orifice is communicated with through shallow trench;
Said spinneret orifice comprises guide hole groove and micropore, and said guide hole groove comprises cavity, first order cone and the second level cone that sets gradually, thereby forms the two poles of the earth cone angle transition, and said micropore is arranged on the lower end of said second level centrum;
Said lateral blowing device is provided with the laminar flow device of sandwich construction, and said laminar flow utensil has a plurality of through holes that are obliquely installed.
2. process units according to claim 1 is characterized in that, the angle of taper scope of said first order cone is 70 °-90 °, and the angle of taper scope of said second level cone is 40 °-50 °, and the draw ratio scope of said micropore is 2.85-3.33.
3. process units according to claim 1 is characterized in that, the length of said micropore is 0.60mm, and the diameter range of said micropore is 0.18-0.21mm.
4. process units according to claim 1 is characterized in that, said laminar flow device is set to 32 layers, and said through-hole diameter is 100mm, and the angle of inclination of said through hole is the 5-30 degree.
5. process units according to claim 1 is characterized in that said spinnerets is provided with filter screen, and said filter screen comprises range upon range of first, second and the 3rd metafiltration net arranged in a crossed manner.
6. process units according to claim 5 is characterized in that, the mesh quantity of said first, second and the 3rd metafiltration net is between the 600-1200 order.
7. process units according to claim 6 is characterized in that, the mesh count of said ground floor filter screen is 800 orders, and the mesh count of said second layer filter screen is 1200 orders, and the mesh count of said the 3rd metafiltration net is 600 orders.
8. according to the described process units of arbitrary claim among the claim 1-7; It is characterized in that; The inside surface roughness of said cavity and first order cone is 0.8 μ m, and the inside surface roughness of said second level cone is 0.4 μ m, and the roughness of said micropore is 0.1 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105814741A CN102418153A (en) | 2010-12-09 | 2010-12-09 | Device for producing fine denier POY (polyester pre-orientated yarn) by head spinning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105814741A CN102418153A (en) | 2010-12-09 | 2010-12-09 | Device for producing fine denier POY (polyester pre-orientated yarn) by head spinning method |
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| CN102418153A true CN102418153A (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105814741A Pending CN102418153A (en) | 2010-12-09 | 2010-12-09 | Device for producing fine denier POY (polyester pre-orientated yarn) by head spinning method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993368A (en) * | 2014-05-22 | 2014-08-20 | 徐伯琴 | Melt spinning spinneret plate |
| CN104005107A (en) * | 2014-05-29 | 2014-08-27 | 徐伯琴 | Hollow spinneret plate |
| CN109790644A (en) * | 2016-09-30 | 2019-05-21 | 米歇尔.范德威尔公司 | Spinning head |
| CN113512770A (en) * | 2020-04-10 | 2021-10-19 | 比亚迪股份有限公司 | Spinneret plate, spinneret die head and melt-blowing equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2861193Y (en) * | 2005-11-24 | 2007-01-24 | 厦门翔鹭化纤股份有限公司 | Spinning plate for preparing fine-denier terylene short-fiber |
| CN201381393Y (en) * | 2009-03-17 | 2010-01-13 | 江苏新民纺织科技股份有限公司 | Rectifier for producing superfine denier terylene FDY |
| CN201381383Y (en) * | 2009-03-23 | 2010-01-13 | 浙江三马锦纶科技股份有限公司 | Melting method filature spinning plate welding fluid flow-equalizing device |
-
2010
- 2010-12-09 CN CN2010105814741A patent/CN102418153A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2861193Y (en) * | 2005-11-24 | 2007-01-24 | 厦门翔鹭化纤股份有限公司 | Spinning plate for preparing fine-denier terylene short-fiber |
| CN201381393Y (en) * | 2009-03-17 | 2010-01-13 | 江苏新民纺织科技股份有限公司 | Rectifier for producing superfine denier terylene FDY |
| CN201381383Y (en) * | 2009-03-23 | 2010-01-13 | 浙江三马锦纶科技股份有限公司 | Melting method filature spinning plate welding fluid flow-equalizing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993368A (en) * | 2014-05-22 | 2014-08-20 | 徐伯琴 | Melt spinning spinneret plate |
| CN104005107A (en) * | 2014-05-29 | 2014-08-27 | 徐伯琴 | Hollow spinneret plate |
| CN109790644A (en) * | 2016-09-30 | 2019-05-21 | 米歇尔.范德威尔公司 | Spinning head |
| CN113512770A (en) * | 2020-04-10 | 2021-10-19 | 比亚迪股份有限公司 | Spinneret plate, spinneret die head and melt-blowing equipment |
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Application publication date: 20120418 |