CN213447403U - System for postpone many F fine denier regenerated polyester filament of silk bundle cooling spinning - Google Patents
System for postpone many F fine denier regenerated polyester filament of silk bundle cooling spinning Download PDFInfo
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- CN213447403U CN213447403U CN202021245544.1U CN202021245544U CN213447403U CN 213447403 U CN213447403 U CN 213447403U CN 202021245544 U CN202021245544 U CN 202021245544U CN 213447403 U CN213447403 U CN 213447403U
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- cooling mechanism
- fine denier
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Abstract
The utility model relates to a delay many F fine denier regenerated polyester filament's of silk bundle cooling spinning system belongs to the spinning field. The utility model discloses a dry feed bin, melting extruder, fuse-element filter, fuse-element passageway, spinning case, slow cooling device, side-blown wind window, the device that oils tied in a bundle, spinning corridor and winder, dry feed bin is connected with melting extruder, melting extruder is connected with the fuse-element filter, the fuse-element filter passes through the fuse-element passageway with the spinning case and is connected, slow cooling device is located the below of spinning case, the side-blown wind window is located one side of slow cooling device, the device that oils tied in a bundle is located the below of side-blown wind window, spinning corridor is located the below of the device that oils tied in a bundle, winder is located the below of spinning corridor; the slow cooling device comprises a male slow cooling mechanism and a female slow cooling mechanism, and the male slow cooling mechanism is connected with the female slow cooling mechanism.
Description
Technical Field
The utility model relates to a delay many F fine denier regenerated polyester filament's of silk bundle cooling spinning system belongs to the spinning field.
Background
The melt after high-temperature melting and filtering of the regenerated polyester raw material is metered by a metering pump, filtered by a spinning nozzle assembly and then ejected by a spinning nozzle to form melt trickle, the melt trickle is cooled by cooling air blown out by a side air blowing window in a forced mode, and a large amount of heat is transmitted to the periphery mainly through radiation and convection with flowing air in the processes of melt trickle solidification and strand cooling.
Because the total surface area of the filament bundle is increased when the regenerated fine-denier multi-F product is produced, the cooling rate is increased under the same cooling condition and is influenced by external interference, generally, the primary fiber does not want to have higher crystallinity, so that the melt trickle is not expected to be cooled rapidly as soon as the melt trickle exits from a spinneret orifice, and the rapid cooling causes the generation of a plurality of tiny crystal nuclei; furthermore, too high a quench rate can cause too high a stress on the fiber sheath to form "cold spinning", and too high a wind speed can cause gas turbulence in the quench zone to cause fluctuation and horizontal movement of the threadline, which fluctuation causes variation in spinning stress, and thus variation in axial fineness and orientation of the threadline, and variation between filaments in the threadline.
Thus, the physical property indexes of the product are as follows: the strength elongation, the evenness CV value, the thermal stress CV value and the stability of the full-curl ratio all have great influence.
In view of this, patent document No. 201110230663.9 discloses a slow cooling method of a tow for fine-denier spinning.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a system that delays the silk bundle cooling and spins many F fine denier regeneration polyester filament reasonable in design.
The utility model provides a technical scheme that above-mentioned problem adopted is: this delay system that many F fine denier regenerated polyester filament was spun in silk bundle cooling, its structural feature lies in: the drying bin is connected with the melt extruder, the melt extruder is connected with the melt filter, the melt filter is connected with the spinning box through the melt channel, the slow cooling device is positioned below the spinning box, the side blowing window is positioned on one side of the slow cooling device, the cluster oiling device is positioned below the side blowing window, the spinning channel is positioned below the cluster oiling device, and the winder is positioned below the spinning channel; the slow cooling device comprises a male slow cooling mechanism and a female slow cooling mechanism, and the male slow cooling mechanism is connected with the female slow cooling mechanism.
Further, the slow cooling device is located on the upper portion of the side blowing window.
Furthermore, cooling air blown out of the side blowing windows sequentially flows through the female slow cooling mechanism and the male slow cooling mechanism, and a handle is installed on the male slow cooling mechanism.
Further, the inner sides of the male slow cooling mechanism and the female slow cooling mechanism are obliquely arranged.
Furthermore, included angles between the male slow cooling mechanism and the female slow cooling mechanism and a vertical surface are both alpha, and alpha is more than or equal to 5 degrees and more than or equal to 15 degrees.
Further, public slow cooling mechanism and female slow cooling mechanism all include slow cold piece, slow cold pipe, slow cold wind channel and guide wire groove, the guide wire groove sets up on slow cold piece, slow cold piece and slow cold pipe interval arrangement have a slow cold wind channel between two adjacent slow cold pieces.
Furthermore, the number of the slow cooling sheets and the number of the slow cooling pipes are both multiple.
Furthermore, a wire guide groove arranged on the slow cooling sheet in the male slow cooling mechanism and a wire guide groove arranged on the slow cooling sheet in the female slow cooling mechanism are combined to form a wire guide hole.
Furthermore, the wire guide holes are arranged in an oval structure.
Furthermore, the slow cooling pipe is arranged in the slow cooling air duct, the slow cooling pipe is of a hollow structure, the width and the height of the slow cooling pipe are equal and are both h, and h is more than or equal to 1cm and more than or equal to 0.2 cm.
Compared with the prior art, the utility model has the advantages of it is following: in the cooling forming and oiling bundling, a slow cooling device is additionally arranged under the condition of avoiding too fast cooling and great influence from external interference during spinning fine denier multi-F yarns, and the slow cooling device adopts a metal sheet with a precisely designed shape, namely a slow cooling sheet, which is a multi-layer composite stack, and a multi-cavity metal frame with a porous shape, namely a slow cooling air channel is separated between each layer; in order to conveniently use the combination of the male slow cooling mechanism and the female slow cooling mechanism for complete use during production, the device is additionally arranged at the upper part of the side blowing window, when side blowing passes through the slow cooling device, the action of the slow cooling device generates damping and flow guiding action to soften the wind speed, and in addition, the metal material is adopted to have heat conduction and heat storage effects, so that the melt trickle can not be rapidly forced to be cooled and interfered by external factors due to cooling wind after passing through the slow cooling device.
Drawings
Fig. 1 is a schematic structural diagram of a system for delaying tow cooling and spinning multi-F fine denier regenerated polyester filament according to an embodiment of the present invention.
Fig. 2 is a schematic front view of a slow cooling device according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a left side view structural diagram of a slow cooling device according to an embodiment of the present invention.
Fig. 5 is a schematic top view of a slow cooling device according to an embodiment of the present invention.
Fig. 6 is a schematic perspective view of a slow cooling device according to an embodiment of the present invention.
Fig. 7 is an exploded schematic view of a slow cooling device according to an embodiment of the present invention.
In the figure: the device comprises a drying bin 1, a melt extruder 2, a melt filter 3, a melt channel 4, a spinning box 5, a slow cooling device 6, a side air blowing window 7, a cluster oiling device 8, a spinning channel 9, a winding machine 10, a male slow cooling mechanism 11, a female slow cooling mechanism 12, a handle 13, a slow cooling sheet 14, a slow cooling pipe 15, a slow cooling air channel 16, a yarn guide groove 17, a yarn guide hole 18, a melt trickle 19, strand silk fibers 20 and a spinning cake 21.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1 to 7, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, in the present specification, if there are terms such as "upper", "lower", "left", "right", "middle" and "one", they are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered as the scope of the present invention without substantial changes in the technical content.
The system for delaying the cooling of tows to spin multi-F fine denier regenerated polyester filaments comprises a drying bin 1, a melting extruder 2, a melt filter 3, a melt channel 4, a spinning box 5, a slow cooling device 6, a side blowing air window 7, a cluster oiling device 8, a spinning channel 9 and a winding machine 10, wherein the drying bin 1 is connected with the melting extruder 2, the melt extruder 2 is connected with the melt filter 3, the melt filter 3 is connected with the spinning box 5 through the melt channel 4, the slow cooling device 6 is positioned below the spinning box 5, the side blowing air window 7 is positioned on one side of the slow cooling device 6, the cluster oiling device 8 is positioned below the side blowing air window 7, the spinning channel 9 is positioned below the cluster oiling device 8, and the winding machine 10 is positioned below the spinning channel 9; the spinning box 5 is provided corresponding to the plurality of slow cooling devices 6 and the side blowing windows 7.
The slow cooling device 6 in the embodiment is positioned at the upper part of the side blowing window 7, the slow cooling device 6 comprises a male slow cooling mechanism 11 and a female slow cooling mechanism 12, and the male slow cooling mechanism 11 is connected with the female slow cooling mechanism 12; the cooling air blown out from the side blowing windows 7 flows through the female slow cooling mechanism 12 and the male slow cooling mechanism 11 in sequence, and a handle 13 is installed on the male slow cooling mechanism 11.
The inner sides of the male slow cooling mechanism 11 and the female slow cooling mechanism 12 in the embodiment are both obliquely arranged; the included angles between the male slow cooling mechanism 11 and the female slow cooling mechanism 12 and a vertical surface are both alpha, the angle is more than or equal to 5 degrees and more than or equal to 15 degrees, and the preferred angle is alpha =9 degrees; the male slow cooling mechanism 11 and the female slow cooling mechanism 12 both comprise slow cooling pieces 14, slow cooling pipes 15, slow cooling air channels 16 and wire guide grooves 17, the wire guide grooves 17 are formed in the slow cooling pieces 14, the slow cooling pieces 14 and the slow cooling pipes 15 are arranged at intervals, and one slow cooling air channel 16 is formed between every two adjacent slow cooling pieces 14; the number of the slow cooling fins 14 and the slow cooling pipes 15 is plural.
In this embodiment, the thread guide groove 17 provided on the slow cooling sheet 14 in the male slow cooling mechanism 11 and the thread guide groove 17 provided on the slow cooling sheet 14 in the female slow cooling mechanism 12 are combined to form a thread guide hole 18; the wire guide holes 18 are arranged in an oval structure; the slow cooling pipe 15 is arranged in the slow cooling air duct 16, the slow cooling pipe 15 is of a hollow structure, the width and the height of the slow cooling pipe 15 are equal to each other and are h, h is larger than or equal to 1cm and larger than or equal to 0.2cm, and h =0.5cm is selected as the optimal value.
The system for delaying the cooling spinning of the tows to produce the multi-F fine denier regenerated polyester filaments is applied to the following method for delaying the cooling spinning of the tows to produce the multi-F fine denier regenerated polyester filaments.
The method for delaying the cooling of the filament bundles to spin the multi-F fine denier regenerated polyester filament comprises the following steps:
firstly, melting and filtering a regenerated polyester raw material: because the polyester raw material in the drying bin 1 has the characteristics of low melting point and high viscosity, the melting extruder 2 is adopted for zone control, and the polyester raw material enters the melt filter 3 through a closed pipeline for filtration; the melting point of the polyester raw material is 250 +/-5 ℃, the viscosity is 0.74PL/g +/-0.02 PL/g, the length-diameter ratio of the melt extruder 2 is 1:25, the melt extruder 2 is controlled in five or six zones, the temperature of the melt extruder 2 is controlled to be 270-295 ℃, and the pressure is controlled to be 8-11 MPa.
Secondly, metering and spinning by a metering pump: the filtered melt is conveyed to a corresponding spinning box 5 through a melt channel 4 in an isobaric manner, is metered by a metering pump, is pressurized and filtered by a spinning assembly, and is extruded through spinning holes in a spinning template to form a melt trickle 19; the number of the spinneret holes is 12-288.
Thirdly, cooling, forming, oiling and bundling: the melt stream 19 sprayed out from the spinneret orifices flows through the slow cooling device 6, and the melt stream 19 is cooled and solidified by cooling air blown out from the side air blowing window 7 to form strand silk fibers 20, and then the strand silk fibers are uniformly and equivalently oiled and bundled by an oiling nozzle of the bundling and oiling device 8; the cooling air has a wind temperature of 19-25 ℃, a wind speed of 0.2-0.7 m/s and a wind degree of 55-90%.
Fourthly, winding into filaments: the filament fiber 20 after being oiled and collected reaches the winder 10 through the spinning shaft 9, and is wound and formed by the winder 10.
Specifically, the production process comprises the following steps: 1. melting and filtering recycled polyester raw materials → 2, metering and spinning by a metering pump → 3, cooling, forming, oiling and bundling → 4, and winding into filaments.
In the cooling forming and oiling bundling, in order to avoid the situation that the fine denier multi-F yarn is cooled too fast and greatly influenced by external interference when being spun, a slow cooling device 6 is additionally arranged, the slow cooling device 6 adopts a metal sheet with a precisely designed shape, namely a slow cooling sheet 14, which is subjected to multi-layer composite superposition, and a multi-cavity metal frame of a porous slow cooling air duct 16 is separated between each layer; in order to conveniently use the combination of the male slow cooling mechanism 11 and the female slow cooling mechanism 12 in a set for production, the device is additionally arranged at the upper part of the side blowing window 7, when side blowing passes through the slow cooling device 6, the wind speed is softened due to the damping and flow guiding effects generated by the slow cooling device 6, in addition, due to the fact that a metal material is adopted, the heat conduction and heat storage effects are achieved, and when the melt trickle 19 passes through the slow cooling device 6, the melt trickle cannot be rapidly forced to be cooled and interfered by external factors due to cooling wind.
In order to conveniently use the combination of the male slow cooling mechanism 11 and the female slow cooling mechanism 12 in a complete set for use in the production process, the female slow cooling mechanism 12 is arranged on the side close to the side air blowing window 7, the male slow cooling mechanism 11 is arranged on the outer side, two handles 13 are arranged according to the operation requirement, the combined part of the male slow cooling mechanism 11 and the female slow cooling mechanism 12 is in shape and size vertical phase-reversal symmetry when being designed, the combined part forms a rectangular whole when being combined, the inner sides of the male slow cooling mechanism 11 and the female slow cooling mechanism 12 are provided with an inclination angle of 9 degrees with a vertical plane, and the inclination angle penetrates through a yarn guide hole 18 which is in an oval structure.
When the strand silk fiber 20 is nearly vertically spun, the strand silk fiber 20 is subjected to the lateral force of the lateral blowing in the lateral blowing window 7, so that the whole strand silk fiber 20 is arched, which is extremely unfavorable for spinning formation, and therefore, a certain vertical included angle is needed for the melt trickle 19 to be extruded from the spinning assembly to a bundling oiling position.
The wire guide holes 18 are designed in such a way that the elliptical structure is tested for a plurality of times, and the cooling effect of the sliver fiber 20 is uniform compared with that of a circular structure.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a system for postpone many F fine denier regenerated polyester filament of silk bundle cooling spinning which characterized in that: comprises a drying bin (1), a melt extruder (2), a melt filter (3), a melt channel (4), a spinning box (5), a slow cooling device (6), a side-blowing air window (7), a cluster oiling device (8), a spinning channel (9) and a winding machine (10), the drying bunker (1) is connected with a melt extruder (2), the melt extruder (2) is connected with a melt filter (3), the melt filter (3) is connected with the spinning box (5) through a melt channel (4), the slow cooling device (6) is positioned below the spinning box (5), the side blowing window (7) is positioned at one side of the slow cooling device (6), the cluster oiling device (8) is positioned below the side blowing air window (7), the spinning duct (9) is positioned below the cluster oiling device (8), and the winding machine (10) is positioned below the spinning duct (9); slow cooling device (6) are including public slow cooling mechanism (11) and female slow cooling mechanism (12), public slow cooling mechanism (11) are connected with female slow cooling mechanism (12).
2. The system for delaying tow cooling for spinning multi-F fine denier regenerated polyester filament according to claim 1, wherein: the slow cooling device (6) is positioned at the upper part of the side blowing window (7).
3. The system for delaying tow cooling for spinning multi-F fine denier regenerated polyester filament according to claim 1, wherein: the cooling air blown out from the side blowing window (7) flows through the female slow cooling mechanism (12) and the male slow cooling mechanism (11) in sequence, and the handle (13) is installed on the male slow cooling mechanism (11).
4. The system for delaying tow cooling for spinning multi-F fine denier regenerated polyester filament according to claim 1, wherein: the inner sides of the male slow cooling mechanism (11) and the female slow cooling mechanism (12) are obliquely arranged.
5. The system for delaying tow cooling for spinning multi-F fine denier regenerated polyester filament according to claim 4, wherein: the included angles between the male slow cooling mechanism (11) and the female slow cooling mechanism (12) and the vertical surface are both alpha, and alpha is more than or equal to 5 degrees and more than or equal to 15 degrees.
6. The system for spinning the multi-F fine denier regenerated polyester filament yarn by delaying the cooling of the filament bundles according to any one of claims 1 to 5, characterized in that: public slow cooling mechanism (11) and female slow cooling mechanism (12) all include slow cold piece (14), slow cold pipe (15), slow cold wind channel (16) and guide wire groove (17), guide wire groove (17) set up on slow cold piece (14), slow cold piece (14) and slow cold pipe (15) interval arrangement have one slow cold wind channel (16) between two adjacent slow cold pieces (14).
7. The system for delaying tow cooling for spinning multi-F fine denier regenerated polyester filament according to claim 6, wherein: the number of the slow cooling pieces (14) and the number of the slow cooling pipes (15) are both multiple.
8. The system for delaying tow cooling for spinning multi-F fine denier regenerated polyester filament according to claim 6, wherein: the thread guide groove (17) arranged on the slow cooling sheet (14) in the male slow cooling mechanism (11) and the thread guide groove (17) arranged on the slow cooling sheet (14) in the female slow cooling mechanism (12) are combined to form a thread guide hole (18).
9. The system for delaying tow cooling for spinning multi-F fine denier regenerated polyester filament according to claim 8, wherein: the wire guide holes (18) are arranged in an oval structure.
10. The system for delaying tow cooling for spinning multi-F fine denier regenerated polyester filament according to claim 6, wherein: the slow cooling pipe (15) is arranged in the slow cooling air duct (16), the slow cooling pipe (15) is of a hollow structure, the width and the height of the slow cooling pipe (15) are equal and are both h, and h is more than or equal to 1cm and more than or equal to 0.2 cm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021245544.1U CN213447403U (en) | 2020-06-30 | 2020-06-30 | System for postpone many F fine denier regenerated polyester filament of silk bundle cooling spinning |
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| CN202021245544.1U CN213447403U (en) | 2020-06-30 | 2020-06-30 | System for postpone many F fine denier regenerated polyester filament of silk bundle cooling spinning |
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| CN213447403U true CN213447403U (en) | 2021-06-15 |
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| CN202021245544.1U Active CN213447403U (en) | 2020-06-30 | 2020-06-30 | System for postpone many F fine denier regenerated polyester filament of silk bundle cooling spinning |
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