CN209941154U - Spinning drafting device - Google Patents
Spinning drafting device Download PDFInfo
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- CN209941154U CN209941154U CN201920175214.0U CN201920175214U CN209941154U CN 209941154 U CN209941154 U CN 209941154U CN 201920175214 U CN201920175214 U CN 201920175214U CN 209941154 U CN209941154 U CN 209941154U
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Abstract
The utility model provides a spinning drafting arrangement, relates to weaving technical field, including extraction element, first hot-rolling, chill roll and temperature control device, the spinning is walked around in proper order and is respectively by driving motor driven extraction element, first hot-rolling and chill roll, and temperature control device is used for adjusting the heating temperature of first hot-rolling and the cooling temperature of chill roll. The utility model relates to a spinning drafting device, which adopts a roller structure to heat, draft and cool the spinning, thereby improving the structural strength of the spinning; the convex roller or the concave roller hot roller is used for drafting spinning, so that convex points or concave points are uniformly distributed on the spinning, contact points between spinning fibers are increased, bonding points between the fibers are increased, and the mechanical strength and the performance of the non-woven fabric formed by spinning are improved; the speed between each roller can be controlled, the energy consumption is low, and the produced fiber fineness is wide.
Description
Technical Field
The utility model belongs to the technical field of the weaving, more specifically relates to a spinning drafting arrangement.
Background
The spun-bonded technology is a non-woven fabric production technology which is developed rapidly and has high technical content in recent years, and is one of the main methods for processing non-woven fabrics at present. The spun-bonding method is a melt spinning web-forming method, and utilizes the spinning principle of chemical fibers to cool and draw extruded melt trickle by quenching air in the process of forming polymer spinning to form filaments, then the filaments are laid on a web-forming curtain to form a web, and finally the nonwoven fabric formed by the spun-bonding method is processed by a consolidation device.
In the spun-bonding method, the polymer forms the nascent fiber after melt spinning, and the physical and mechanical properties of the nascent fiber can not meet the use requirements far, mainly reflected in low strength, large elongation and unstable structure, and the orientation degree of the fiber is improved through further drafting, so that the physical and mechanical properties of the fiber can be improved, the fiber can meet the requirements of further processing and has good mechanical properties.
At present, most of drafting devices used in the spunbond production are air drafting devices, including slit type air drafting devices and tubular drafting devices, and the two drafting devices have the characteristics of large demand of compressed air, high energy consumption and difficulty in controlling fiber number. Therefore, development of a mechanical draft device with low energy consumption and a wide fiber fineness has been desired.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a spinning draft device adopts mechanical draft's mode to carry out the draft, and the energy consumption is low, and the fibre fineness of production is wide.
In order to achieve the above object, the utility model provides a spinning drafting arrangement, including extraction element, first hot-rolling, chill roll and temperature control device, the spinning is walked around in proper order respectively by driving motor driven extraction element, first hot-rolling and chill roll, temperature control device is used for adjusting the heating temperature of first hot-rolling with the cooling temperature of chill roll.
Preferably, the first thermo roll is a knurled roll or an engraved roll.
Preferably, the temperature control device includes a first temperature sensor provided on the first heat roller and a second temperature sensor provided on the cooling roller.
Preferably, the apparatus further comprises a second heat roller disposed between the first heat roller and the cooling roller, a third temperature sensor disposed on the second heat roller, and a controller;
the controller controls heating temperatures of the first heat roller and the second heat roller based on temperature signals of the first temperature sensor and the third temperature sensor, respectively.
Preferably, the highest linear speed of the first heat roller and the second heat roller is 4000m/min, and the highest heating temperature is 300 ℃.
Preferably, the extraction device comprises a first extraction roller and a second extraction roller, wherein the first extraction roller is a normal-temperature conveying roller or a hot roller, and the second extraction roller is a normal-temperature conveying roller or a hot roller.
Preferably, the highest linear speed of the first and second extraction rolls is 2000 m/min.
Preferably, a wrapping angle between the spinning and the first extracting roller is 180-.
Preferably, the cooling roller is cooled by circulating cooling water, and the controller controls the water inlet and/or return speed of the circulating cooling water according to the temperature signal of the second temperature sensor.
Preferably, the cooling roll has a maximum linear speed of 4000m/min and a cooling temperature of 5-30 ℃.
The utility model relates to a spinning drafting arrangement, its beneficial effect lies in: a roller type structure is adopted, the spinning is heated, drafted and cooled, and the structural strength of the spinning is improved; the convex roller or the concave roller hot roller is used for drafting spinning, so that convex points or concave points are uniformly distributed on the spinning, contact points between spinning fibers are increased, bonding points between the fibers are increased, and the mechanical strength and the performance of the non-woven fabric formed by spinning are improved; the speed between each roller can be controlled, the energy consumption is low, and the produced fiber fineness is wide.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic structural diagram of a first hot roll in a spinning drafting device of an exemplary embodiment of the present invention as an embossing roll;
fig. 2 shows a schematic structural diagram of the first hot roll in the spinning drafting device of the exemplary embodiment of the present invention being an embossing roll;
description of reference numerals:
1 first extraction roll, 2 second extraction roll, 3 first thermal roll, 4 second thermal roll, 5 cooling roll.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
For solving the problem that prior art exists, the utility model provides a spinning drafting device, including extraction element, first hot-rolling, chill roll and temperature control device, the spinning is walked around in proper order respectively by driving motor driven extraction element, first hot-rolling and chill roll, and temperature control device is used for adjusting the heating temperature of first hot-rolling and the cooling temperature of chill roll. And a roller type structure is adopted, so that the spinning is heated, drafted and cooled, and the structural strength of the spinning is improved.
Preferably, the first thermo roll is a embossing roll or an embossing roll.
The embossing roller is an existing product, and the strip-shaped bulges or depressions are uniformly distributed on the embossing roller or the concave embossing roller, so that the spinning can generate uniformly distributed pits or convex points through the embossing roller or the concave embossing roller. The convex roller or the concave roller hot roller is used for drafting spinning, so that concave points or convex points are uniformly distributed on the spinning, contact points between spinning fibers are increased, bonding points between the fibers are increased, and the mechanical strength and the performance of the non-woven fabric formed by spinning are improved.
When the spinning fiber surface is uniformly distributed with salient points, the contact points between the fibers can be increased, and the bonding points between the fibers can be increased when the hot roller is adopted for rolling reinforcement, so that the mechanical strength of the non-woven fabric prepared by spinning is greatly improved; when the surface of the fiber is uniformly distributed with concave points, the porosity of the non-woven fabric produced by spinning is greatly improved, the mechanical property and the air permeability are also greatly improved, and the diversification of textile production products is greatly improved.
Preferably, the temperature control means includes a first temperature sensor provided on the first heat roller and a second temperature sensor provided on the cooling roller.
Preferably, the apparatus further comprises a second heat roller, a third temperature sensor and a controller, the second heat roller being disposed between the first heat roller and the cooling roller, the third temperature sensor being disposed on the second heat roller;
a controller controls heating temperatures of the first heat roller and the second heat roller based on temperature signals of the first temperature sensor and the third temperature sensor, respectively.
Preferably, the first hot roller and the second hot roller respectively comprise heating equipment, the heating equipment adopts electric heating, steam heating or heat conducting oil heating, and the temperature control precision of the selected heating equipment is +/-1 ℃; the electric heating, the steam heating or the heat conducting oil heating are the existing heating technologies of the hot roller, so the heating principle is not described in detail. The controller controls the temperature of the heating devices of the first heat roller and the second heat roller to increase or decrease according to the temperature signals of the first temperature sensor and the second temperature sensor:
when the temperature is higher than the preset maximum value, the controller controls the temperature of the heating equipment adopting electric heating to be reduced; when the temperature is lower than the preset minimum value, the controller controls the temperature of the heating equipment adopting electric heating to rise;
when the temperature is higher than the preset maximum value, the controller controls the opening degree of a valve of heating equipment which is heated by steam or heat conducting oil to be reduced, so that the temperature is reduced; when the temperature is lower than the preset minimum value, the controller controls the opening of a valve of the heating equipment heated by steam or heat conducting oil to be increased, so that the temperature is increased.
Preferably, the extraction device comprises a first extraction roller and a second extraction roller, the first extraction roller being a normal temperature conveying roller or a hot roller, the second extraction roller being a normal temperature conveying roller or a hot roller. The first extraction roller and the second extraction roller are common roller structures and are driven by the driving motor, when the first extraction roller and the second extraction roller need to be heated in the actual use process, the hot roller can be used as the first extraction roller and/or the second extraction roller, when the first extraction roller and the second extraction roller do not need to be heated in the actual use process, namely, the working temperature is normal temperature, and the normal temperature conveying roller can be selected as the first extraction roller and/or the second extraction roller.
Preferably, the highest linear velocity of the first and second take-up rollers is 2000m/min, and the first and second take-up rollers are individually drive-controlled via different drive motors and can be arbitrarily set at a linear velocity between 0 and 3000 m/min.
And spinning is conveyed to a yarn swinging mechanism for swinging and lapping after sequentially bypassing the first extraction roller, the second extraction roller, the first hot roller, the second hot roller and the cooling roller. The first extraction roller is used for conveying the spun yarn to the second extraction roller, the second extraction roller is used for conveying the spun yarn to the first hot roller, the first hot roller is used for drafting the spun yarn, the intra-fiber partial chains are oriented and crystallized after drafting treatment, the desired fiber fineness and shape are obtained, high physical and mechanical properties are obtained, the drafting effect is further enhanced by the second hot roller, and the cooling roller is used for cooling the spun yarn after heating and drafting.
Preferably, the first extraction roll, the second extraction roll, the first heat roll, the second heat roll and the cooling roll have a diameter of 10cm to 50 cm.
Preferably, the linear speed ratio between the second extraction roll and the first extraction roll is 1:1 to 1.1:1, the linear speed ratio between the first hot roll and the second extraction roll is 1.4:1 to 2.5:1, the linear speed ratio between the second hot roll and the first hot roll is 1.3:1 to 2.1:1, and the linear speed ratio between the cooling roll and the second hot roll is 0.8:1 to 1.1: 1.
Preferably, the highest line speed of the first heat roller and the second heat roller is 4000m/min, and the highest heating temperature is 300 ℃.
The energy consumption can be reduced by controlling the speed of each roller and the speed ratio between different rollers through controlling the driving motor, the produced fiber titer is wide, the titer of the drafted spinning fiber can reach 4-30D, the fiber titer has higher breaking strength and breaking elongation, the monofilament breaking strength is more than or equal to 3.5cN/dtex, and the performance of the drafted spinning is improved by multiple times compared with the performance of the ordinary drafted spinning.
Preferably, the wrap angle between the spinning and the first take-up roll is 180-. The wrapping angle is an angle formed by connecting the two ends of the perimeter of the spinning yarn wound on the rollers with the circle center, and different wrapping angles are arranged between the spinning yarn and the rollers, so that the spinning yarn can be fully contacted with the rollers, the phenomenon that the spinning yarn is drafted by rollers in the drafting process is avoided, and the drafting quality is improved.
Preferably, the cooling roller is cooled by circulating cooling water, and the controller controls the water inlet and/or return speed of the circulating cooling water according to the temperature signal of the second temperature sensor.
When the temperature signal temperature of the cooling roller detected by the second temperature sensor is too high or too low, the controller controls the opening degree of a water inlet valve and/or a water return valve of the circulating cooling water, and adjusts the water inlet speed and/or the water return speed to reduce or increase the temperature of the cooling roller.
Preferably, the cooling roll has a maximum linear velocity of 4000m/min and a cooling temperature of 5-30 ℃.
Example 1
As shown in fig. 1, the utility model provides a spinning drafting device, including extraction element, first hot-rolling 3, chill roll 5 and temperature control device, the spinning is walked around in proper order by driving motor driven extraction element, first hot-rolling 3 and chill roll 5 respectively, and temperature control device is used for adjusting the heating temperature of first hot-rolling 3 and the cooling temperature of chill roll 5. And a roller type structure is adopted, so that the spinning is heated, drafted and cooled, and the structural strength of the spinning is improved.
In this embodiment, the first heat roller 3 is an embossing roller.
In the present embodiment, the temperature control means includes a first temperature sensor provided on the first heat roller 3 and a second temperature sensor provided on the cooling roller 5.
In the present embodiment, further comprising a second heat roller 4, a third temperature sensor, and a controller, the second heat roller 4 is provided between the first heat roller 3 and the cooling roller 5, and the third temperature sensor is provided on the second heat roller 4;
the controller controls the heating temperatures of the first heat roller 3 and the second heat roller 4 based on the temperature signals of the first temperature sensor and the third temperature sensor, respectively.
In the embodiment, the first hot roller 3 and the second hot roller 4 respectively comprise heating equipment, the heating equipment adopts heat conduction oil for heating, and the temperature control precision of the selected heating equipment is +/-1 ℃; the controller controls the temperature of the heating apparatuses of the first heat roller 3 and the second heat roller 4 to be raised or lowered in accordance with the temperature signals of the first temperature sensor and the second temperature sensor:
when the temperature is higher than the preset maximum value, the controller controls the opening degree of a valve of heating equipment heated by adopting heat conduction oil to be reduced, so that the temperature is reduced; when the temperature is lower than the preset minimum value, the controller controls the opening of the valve of the heating equipment heated by the heat conduction oil to be increased, so that the temperature is increased.
In the present embodiment, the extraction device includes a first extraction roller 1 and a second extraction roller 2, and both the first extraction roller 1 and the second extraction roller 2 are normal temperature conveying rollers. The first extraction roller and the second extraction roller are both common roller structures and are driven by a driving motor.
In the present embodiment, the highest linear velocity of the first and second extracting rollers 1 and 2 is 2000m/min, and the first and second extracting rollers 1 and 2 are individually drive-controlled via different drive motors, and the linear velocity can be arbitrarily set between 0 and 3000 m/min.
Spinning is conveyed to a yarn swinging mechanism for swinging and lapping after sequentially passing around a first extraction roller 1, a second extraction roller 2, a first hot roller 3, a second hot roller 4 and a cooling roller 5. The first extraction roller 1 is used for conveying the spun yarn to the second extraction roller 2, the second extraction roller 2 is used for conveying the spun yarn to the first hot roller 3, the first hot roller 3 is used for drafting the spun yarn, the second hot roller 4 further enhances the drafting effect, and the cooling roller 5 is used for cooling the spun yarn after heating and drafting.
Preferably, the first extraction roll 1, the second extraction roll 2, the first heat roll 3, the second heat roll 4 and the cooling roll 5 have a diameter of 15 cm.
In this embodiment, the linear velocity ratio between the second extraction roller 2 and the first extraction roller 1 is 1:1 to 1.1:1, the linear velocity ratio between the first heat roller 3 and the second extraction roller 2 is 1.4:1 to 2.5:1, the linear velocity ratio between the second heat roller 4 and the first heat roller 3 is 1.3:1 to 2.1:1, and the linear velocity ratio between the cooling roller 5 and the second heat roller 4 is 0.8:1 to 1.1: 1.
In this embodiment, the highest linear speed of the first heat roller 3 and the second heat roller 4 is 4000m/min, and the highest heating temperature is 300 ℃.
In the present embodiment, the wrap angle between the spinning and the first take-up roller 1 is 200 °, the wrap angle between the spinning and the first heat roller 3 is 120 °, the wrap angle between the spinning and the second heat roller 4 is 220-. The wrapping angle is the angle formed by connecting the two ends of the perimeter of the spinning yarn wound on each roller with the circle center.
In the present embodiment, the cooling roller 5 is cooled by the circulating cooling water, and the controller controls the water inflow and/or return speed of the circulating cooling water according to the temperature signal of the second temperature sensor.
When the temperature signal of the cooling roller 5 detected by the second temperature sensor is too high or too low, the controller controls the opening degree of a water inlet valve and/or a water return valve of the circulating cooling water, and adjusts the water inlet speed and/or the water return speed to reduce or increase the temperature of the cooling roller 5.
In this example, the maximum linear velocity of the chill roll 5 was 4000m/min and the cooling temperature was 5-30 ℃.
Example 2
As shown in fig. 2, the spinning draft device according to example 2 is different from that of example 1 in that,
in this embodiment, the first heat roller 3 is an engraved roller.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. The spinning drafting device is characterized by comprising an extracting device, a first hot roller (3), a cooling roller (5) and a temperature control device, spinning bypasses the extracting device, the first hot roller (3) and the cooling roller (5) which are respectively driven by a driving motor in sequence, and the temperature control device is used for adjusting the heating temperature of the first hot roller (3) and the cooling temperature of the cooling roller (5).
2. Spinning draft device according to claim 1, characterized in that the first thermo roll (3) is a knurled or knurled roll.
3. Spinning draft arrangement according to claim 1, characterized in that the temperature control means comprise a first temperature sensor provided on the first hot roll (3) and a second temperature sensor provided on the cooling roll (5).
4. A spinning draft system according to claim 3, further comprising a second heat roller (4), a third temperature sensor and a controller, said second heat roller (4) being disposed between said first heat roller (3) and said cooling roller (5), said third temperature sensor being disposed on said second heat roller (4);
the controller controls heating temperatures of the first heat roller (3) and the second heat roller (4) based on temperature signals of the first temperature sensor and the third temperature sensor, respectively.
5. Spinning draft device according to claim 4, characterized in that the highest linear speed of the first thermo roll (3) and the second thermo roll (4) is 4000m/min and the highest heating temperature is 300 ℃.
6. Spinning draft device according to claim 4, characterized in that the extraction device comprises a first extraction roller (1) and a second extraction roller (2), the first extraction roller (1) being an ambient temperature transport roller or a hot roller and the second extraction roller (2) being an ambient temperature transport roller or a hot roller.
7. Spinning draft device according to claim 6, characterized in that the highest linear speed of the first extraction roller (1) and the second extraction roller (2) is 2000 m/min.
8. Spinning draft device according to claim 6, characterized in that the wrap angle between the spinning and the first draw roll (1) is 180-220 °, the wrap angle between the spinning and the first hot roll (3) is 90-160 °, the wrap angle between the spinning and the second hot roll (4) is 180-220 °, the wrap angle between the spinning and the cooling roll (5) is 90-130 °.
9. Spinning draft device according to claim 4, characterized in that the cooling roller (5) is cooled by circulating cooling water, and the controller controls the water inlet and/or return speed of the circulating cooling water according to the temperature signal of the second temperature sensor.
10. Spinning draft device according to claim 1, characterized in, that the highest linear speed of the cooling roller (5) is 4000m/min and the cooling temperature is 5-30 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175214.0U CN209941154U (en) | 2019-01-31 | 2019-01-31 | Spinning drafting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175214.0U CN209941154U (en) | 2019-01-31 | 2019-01-31 | Spinning drafting device |
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| CN209941154U true CN209941154U (en) | 2020-01-14 |
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| CN201920175214.0U Active CN209941154U (en) | 2019-01-31 | 2019-01-31 | Spinning drafting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962187A (en) * | 2020-09-03 | 2021-06-15 | 赵均明 | Chemical fiber spinning elasticizer system |
| CN113355756A (en) * | 2020-03-07 | 2021-09-07 | 东部湾(扬州)生物新材料有限公司 | Preparation method of environment-friendly composite fiber for sanitary materials |
-
2019
- 2019-01-31 CN CN201920175214.0U patent/CN209941154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113355756A (en) * | 2020-03-07 | 2021-09-07 | 东部湾(扬州)生物新材料有限公司 | Preparation method of environment-friendly composite fiber for sanitary materials |
| CN112962187A (en) * | 2020-09-03 | 2021-06-15 | 赵均明 | Chemical fiber spinning elasticizer system |
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