CN206783836U - Polypropylene needle-punched geotextiles spinning drafting system and spinning-drawing machine - Google Patents
Polypropylene needle-punched geotextiles spinning drafting system and spinning-drawing machine Download PDFInfo
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- CN206783836U CN206783836U CN201720160432.8U CN201720160432U CN206783836U CN 206783836 U CN206783836 U CN 206783836U CN 201720160432 U CN201720160432 U CN 201720160432U CN 206783836 U CN206783836 U CN 206783836U
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Abstract
The utility model discloses a kind of polypropylene needle-punched geotextiles spinning drafting system and spinning-drawing machine, drafting system includes draw roll, draw roll contacts drawing-off, the first thermoregulative mechanism of roller contact wall regulation temperature of the drafting system also including counter extensioin roller with spinning by the roller contact wall of its outer peripheral face.Polypropylene needle-punched geotextiles spinning drafting system in the utility model, temperature is adjusted by the roller contact wall of the first thermoregulative mechanism counter extensioin roller, the drafting system can be heated up or be cooled to spinning by way of directly being contacted with spinning, this mode heating and cooling directly contacted are advantageous to preferably control the temperature of spinning by drafting system, and contact heats up or cooled regulation temperature more rapidly, accurately to spinning, improves spinning quality.
Description
Technical field
The utility model belongs to Nonwovens In Technology field, and in particular to a kind of polypropylene needle-punched geotextiles spinning drawing-off
Device and spinning-drawing machine.
Background technology
In developed countries such as America and Europes, the ratio of filament spunbond needle-punched geotextiles and chopped fiber needle-punched geotextiles is respectively about
60%th, 40%；Although polypropylene proportion is up to 70% in chopped fiber needle-punched geotextiles, in filament spunbond needle-punched geotextiles,
Polypropylene filament spunbonded needle-punched geotextile proportion about 30-40%, it is polyester filament spunbonded needle-punched geotextile that remaining is most of.
In China, filament spunbond needle-punched geotextiles proportion in needle-punched geotextiles is only 20% or so, and is PFY
Spunbonded needle-punched geotextile.Polypropylene spun-bonded needle-punched geotextiles not yet form industrialization production, are still blank.
The physical features of as-spun fibre, particularly physical and mechanical properties do not reach requirement much, are mainly reflected in strong
Power is low, elongation is big, structure is extremely unstable, it is necessary to by further processing, could improve physics-mechanical performance of fiber, make
It reaches the requirement of textile process, and has excellent performance.
The change of structure and performance that various as-spun fibres are occurred in drawing process is not fully identical, and this is with coming into being
The structure of fiber is relevant with drawing process condition, but also has some common ground, that is, after stretched, the degree of orientation of fiber is total
It is to improve a lot, while with the change in terms of the other structures such as density, crystallinity.Due in fiber macromolecular along fiber
The orientation of axial direction and stretching, extension, the number for the strand for bearing external tension in fiber adds, so that the fracture strength of fiber
Significantly improve, ductility declines, and wearability and fatigue durability are also obviously improved.
Thick denier polypropylene long filament needle-punched geotextiles production high-strength now is primarily present following problem：(1) polypropylene chip is spun
After the stretching of bonding air-flow, the intensity of monofilament can not reach >=and the stretching of 3.5cn/dtex (2) polypropylene spun-bonded needle-punched geotextiles is strong
Degree does not reach the national standard GB/T17639-2008 standards of filament spunbond needling non-woven geotextiles.And the key of the 2nd problem is former
Caused by the strength for being also monofilament is inadequate.So the draw problems for solving the problems, such as pp geo textiles tow are the core of solution
The heart.
In the prior art, in drafting process is carried out to spinning using draw roll, the indirect of cross air blasting is passed through for spinning
Cooling, the mode of heating carry out temperature control, and regulation temperature effect is poor, so that the intensity of the monofilament obtained after spinning drawing can not
Reach national standard GB/T17639-2008 requirement.
Utility model content
Technical problem to be solved in the utility model is for above shortcomings in the prior art, there is provided Yi Zhongju
Propylene needle-punched geotextiles spinning drafting system and spinning-drawing machine, the drafting system can be by way of directly contacting pair with spinning
Spinning is heated up or cooled, and contact heats up or cooled regulation temperature more rapidly, accurately to spinning, improves spinning matter
Amount.
Technical scheme is to provide a kind of polypropylene needle-punched geotextiles spinning used by solving the utility model technical problem
With drafting system, including draw roll, the draw roll contacts drawing-off, the drawing-off with spinning by the roller contact wall of its outer peripheral face
Device also includes the first thermoregulative mechanism that temperature is adjusted to the roller contact wall of the draw roll.
The roller contact wall that draw roll is adjusted when the first thermoregulative mechanism cools down to the macromolecular chain of the spun filament in spinning,
Then quickly spun filament is cooled down rapidly, reach cooling and require.When the roller contact wall of the first thermoregulative mechanism regulation draw roll is to spinning
Silk is heated, then the tow of spinning is easily drafted.
Preferably, first thermoregulative mechanism has hollow cavity, and the cavity is connected with temperature adjustment source, by the tune
Warm source refrigeration or the thermoregulation agent of heating are flowed in the cavity to adjust temperature to the roller contact wall.
Preferably, first thermoregulative mechanism includes hollow pipeline, and thermoregulation agent flows through the pipeline, and the pipeline is set
It is placed in inside the draw roll, the pipeline contacts regulation temperature with the roller contact wall.
Preferably, the pipeline is helical coil, and the helical coil spirals to be contacted with the roller contact wall.
Preferably, the pipeline is straight tube, and the straight tube is adapted with the roller contact wall and adjusted by plane-plane contact
Save temperature.
Preferably, the external diameter of the draw roll is 370~420mm, the external diameter of the straight tube and the difference of internal diameter be 8~
15mm。
Preferably, the draw roll includes rotating shaft and bearing, and the rotating shaft is connected by the bearing with drive mechanism,
The drive mechanism is used to drive the rotating shaft to rotate, and the drafting system also includes the second thermoregulative mechanism, second temperature adjustment
Mechanism is used to cool to the bearing.
Preferably, second thermoregulative mechanism is coated on the outer peripheral face of the bearing, and second thermoregulative mechanism passes through
The bearing is cooled with the bearing touch.Second thermoregulative mechanism includes hollow second pipe, the second pipe
It is connected with low-temperature receiver, the thermoregulation agent to freeze by the low-temperature receiver flows through the second pipe, and the second pipe connects with the bearing
Touch to cool to the bearing.
Preferably, described drafting system also includes the ceramics for the roller contact wall surface for being arranged at the draw roll.
Preferably, the ceramic thickness is 1~4mm.
Drafting system in the utility model can be not only used for polypropylene filament needle-punched geotextiles spinning, can be used for polypropylene again
Short silk needle-punched geotextiles spinning.
The utility model also provides a kind of polypropylene needle-punched geotextiles spinning spinning-drawing machine, including above-mentioned drafting system.
Polypropylene needle-punched geotextiles spinning drafting system in the utility model, passes through the first thermoregulative mechanism counter extensioin roller
Roller contact wall regulation temperature, the drafting system can be heated up or be dropped to spinning by way of directly being contacted with spinning
Temperature, this mode heating and cooling directly contacted are advantageous to preferably control the temperature of spinning, and contact by drafting system
Spinning is heated up or the regulation temperature that cools is more rapid, accurate, improves spinning quality.
Brief description of the drawings
Fig. 1 is the profile of the polypropylene needle-punched geotextiles spinning drafting system in the utility model embodiment 1；
Fig. 2 is the profile of the polypropylene needle-punched geotextiles spinning drafting system in the utility model embodiment 2.
In figure：1- draw rolls；2- roller contact walls；The thermoregulative mechanisms of 3- first；4- heats oil oven；The pipelines of 5- first；6- turns
Axle；7- bearings；The thermoregulative mechanisms of 8- second；9- second pipes；10- ceramics.
Embodiment
It is below in conjunction with the accompanying drawings and specific real to make those skilled in the art more fully understand the technical solution of the utility model
Mode is applied to be described in further detail the utility model.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of polypropylene needle-punched geotextiles spinning drafting system, including draw roll 1,
Draw roll 1 contacts drawing-off with spinning by the roller contact wall 2 of its outer peripheral face, and the drafting system also roller including counter extensioin roller 1 contacts
Wall 2 adjusts the first thermoregulative mechanism 3 of temperature.
When the roller contact wall 2 of the first thermoregulative mechanism 3 regulation draw roll 1 macromolecular chain of the spun filament in spinning is carried out it is cold
But, then quickly spun filament is cooled down rapidly, reaches cooling and require.When the roller contact wall of the first thermoregulative mechanism 3 regulation draw roll 1
2 pairs of spinning are heated, then the tow of spinning are easily drafted.
Polypropylene needle-punched geotextiles spinning drafting system in the present embodiment, passes through the counter extensioin roller 1 of the first thermoregulative mechanism 3
Roller contact wall 2 adjust temperature, the drafting system can be heated up or be dropped to spinning by way of directly being contacted with spinning
Temperature, this mode heating and cooling directly contacted are advantageous to preferably control the temperature of spinning, and contact by drafting system
Spinning is heated up or the regulation temperature that cools is more rapid, accurate, improves spinning quality.
It should be noted that the first thermoregulative mechanism 3 in the present embodiment has hollow cavity, cavity is connected with temperature adjustment source,
The thermoregulation agent for freezing by temperature adjustment source or heating is flowed in cavity with the regulation temperature of two pairs of rollers contact wall 2.Tune in the present embodiment
Wen Yuanwei thermals source, specifically, the temperature adjustment source in the present embodiment is heating oil oven 4, thermoregulation agent is conduction oil, passes through the first tempering machine
The two pairs of rollers contact wall 2 of structure 3 is heated.
It should be noted that the first thermoregulative mechanism 3 in the present embodiment includes the first hollow pipeline 5, thermoregulation agent flows through
First pipeline 5, the first pipeline 5 are arranged inside draw roll 1, and the first pipeline 5 contacts regulation temperature with roller contact wall 2.
It should be noted that the first pipeline 5 in the present embodiment is straight tube, straight tube is adapted and passed through with roller contact wall 2
Plane-plane contact adjusts temperature.First pipeline 5 and the contact area of roller contact wall 2 are big, and the first pipeline 5 and the patch of roller contact wall 2
Close closely, so the temperature adjustment speed of the first pipeline 5 is fast.
Preferably, the external diameter of draw roll 1 is 370~420mm, and the external diameter of straight tube and the difference of internal diameter are 8~15mm.Need
It is noted that the external diameter of the draw roll 1 in the present embodiment is 376mm, the external diameter of straight tube and the difference of internal diameter are 11mm.
It should be noted that the draw roll 1 in the present embodiment includes rotating shaft 6 and bearing 7, rotating shaft 6 passes through bearing 7 and driving
Mechanism connects, and drive mechanism rotates for drive shaft 6, and drafting system also includes the second thermoregulative mechanism 8, the second thermoregulative mechanism 8
It for cooling to bearing 7, can prevent that the temperature of bearing 7 is too high by the second thermoregulative mechanism 8, improve the service life of bearing 7.
It should be noted that the second thermoregulative mechanism 8 in the present embodiment is coated on the outer peripheral face of bearing 7, the second tempering machine
Structure 8 is cooled by being contacted with bearing 7 to bearing 7.
Second thermoregulative mechanism 8 includes hollow second pipe 9, and second pipe 9 is connected with low-temperature receiver, the tune to freeze by low-temperature receiver
Second pipe 9 is flowed through in warm agent, and second pipe 9 is contacted with bearing 7 to cool to bearing 7.
It should be noted that the drafting system in the present embodiment also includes the surface of roller contact wall 2 for being arranged at draw roll 1
Ceramics 10.Because polypropylene spinning contacts in drafting process with the surface of roller contact wall 2 of draw roll 1, rubs, so leading
The surface of roller contact wall 2 for stretching roller 1 sets 10 layers of ceramics, can improve the surface smoothness of roller contact wall 2 and hardness so that draw roll 1
Life-span up to more than 30 years, the material of the draw roll 1 in the present embodiment is stainless steel.
Preferably, the thickness of ceramics 10 is 1~4mm.It should be noted that the thickness of the ceramics 10 in the present embodiment is
2mm。
After carrying out drawing-off to spinning by the drafting system in the present embodiment, the fiber number of obtained monofilament is 4~11dtex,
Single wire fracture intensity >=3.5cN/dtex, the tensile strength that monofilament is made to polypropylene filament needle-punched geotextiles reach national standard GB/
T17639-2008 requirements.
Monofilament is made to the polypropylene filament needle-punched geotextiles of 3 kinds of different sizes, respectively obtain test value 1, test value 2,
Test value 3, it is as shown in table 1 below.
Table 1
Embodiment 2
As shown in Fig. 2 the present embodiment provides a kind of polypropylene needle-punched geotextiles spinning drafting system, in the present embodiment
Drafting system in embodiment 1 with being distinguished as：First pipeline 5 is helical coil, and helical coil spirals to be contacted with roller contact wall 2.
First pipeline 5 is helical coil, extends the path of flowing of the thermoregulation agent in the first pipeline 5, so that the temperature of thermoregulation agent
Degree is more stable.
Embodiment 3
The present embodiment provides a kind of polypropylene needle-punched geotextiles spinning drafting system, the drafting system in the present embodiment with
It is distinguished as in embodiment 1：The external diameter of draw roll in the present embodiment is 395mm, and the external diameter of straight tube and the difference of internal diameter are
15mm.Ceramic thickness in the present embodiment is 1mm.Temperature adjustment source in the present embodiment is low-temperature receiver, the drawing-off dress in the present embodiment
Putting does not include the second thermoregulative mechanism, because the temperature adjustment source being passed through in the first thermoregulative mechanism is low-temperature receiver, so leading in the present embodiment
Device is stretched to cool to bearing by the first thermoregulative mechanism.
Certainly, drafting system can also include the first thermoregulative mechanism and the second thermoregulative mechanism simultaneously, be adjusted respectively by first
Warm mechanism counter extensioin roller cooling, bearing is cooled by the second thermoregulative mechanism.
Embodiment 4
The present embodiment provides a kind of polypropylene needle-punched geotextiles spinning drafting system, the drafting system in the present embodiment with
It is distinguished as in embodiment 1：The external diameter of draw roll in the present embodiment is 420mm, and the external diameter of straight tube and the difference of internal diameter are
8mm.Ceramic thickness in the present embodiment is 4mm.
Embodiment 5
The present embodiment provides a kind of polypropylene needle-punched geotextiles spinning spinning-drawing machine, includes the drawing-off dress of embodiment 1~4
Put.
It is understood that embodiment of above is merely to illustrate that principle of the present utility model and used exemplary
Embodiment, but the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case of the spirit and essence of utility model, various changes and modifications can be made therein, and these variations and modifications are also considered as this reality
With new protection domain.
Claims (9)
1. a kind of polypropylene needle-punched geotextiles spinning drafting system, including draw roll, the draw roll pass through its outer peripheral face
Roller contact wall contacts drawing-off with spinning, it is characterised in that the drafting system also includes adjusting the roller contact wall of the draw roll
The first thermoregulative mechanism of temperature is saved, first thermoregulative mechanism has hollow cavity, and the cavity is connected with temperature adjustment source, by institute
The thermoregulation agent for stating temperature adjustment source refrigeration or heating is flowed in the cavity to adjust temperature to the roller contact wall, and described first adjusts
Warm mechanism includes hollow pipeline, and thermoregulation agent flows through the pipeline, and the pipeline is arranged inside the draw roll, the pipeline
Regulation temperature is contacted with the roller contact wall.
2. drafting system according to claim 1, it is characterised in that the pipeline is helical coil, the helical coil
Spiral and contacted with the roller contact wall.
3. drafting system according to claim 1, it is characterised in that the pipeline is straight tube, the straight tube and the roller
Contact wall is adapted and adjusts temperature by plane-plane contact.
4. drafting system according to claim 3, it is characterised in that the external diameter of the draw roll is 370~420mm, institute
The difference of the external diameter and internal diameter of stating straight tube is 8~15mm.
5. according to the drafting system described in Claims 1 to 4 any one, it is characterised in that the draw roll include rotating shaft and
Bearing, the rotating shaft are connected by the bearing with drive mechanism, and the drive mechanism is used to drive the rotating shaft to rotate, described
Drafting system also includes the second thermoregulative mechanism, and second thermoregulative mechanism is used to cool to the bearing.
6. drafting system according to claim 5, it is characterised in that second thermoregulative mechanism is coated on the bearing
Outer peripheral face, second thermoregulative mechanism with the bearing touch to the bearing by cooling.
7. according to the drafting system described in Claims 1 to 4 any one, it is characterised in that also include being arranged at the drawing-off
The ceramics of the roller contact wall surface of roller.
8. drafting system according to claim 7, it is characterised in that the ceramic thickness is 1~4mm.
9. a kind of polypropylene needle-punched geotextiles spinning spinning-drawing machine, it is characterised in that including claim 1~8 any one institute
The drafting system stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720160432.8U CN206783836U (en) | 2017-02-22 | 2017-02-22 | Polypropylene needle-punched geotextiles spinning drafting system and spinning-drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720160432.8U CN206783836U (en) | 2017-02-22 | 2017-02-22 | Polypropylene needle-punched geotextiles spinning drafting system and spinning-drawing machine |
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| Publication Number | Publication Date |
|---|---|
| CN206783836U true CN206783836U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720160432.8U Active CN206783836U (en) | 2017-02-22 | 2017-02-22 | Polypropylene needle-punched geotextiles spinning drafting system and spinning-drawing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676655A (en) * | 2017-02-22 | 2017-05-17 | 天鼎丰聚丙烯材料技术有限公司 | Drafting device for spun filaments of polypropylene needle-punched geotextile and spinning machine |
| CN111560658A (en) * | 2020-05-26 | 2020-08-21 | 无锡佳成纤维有限公司 | Spinning equipment for producing nylon filaments |
-
2017
- 2017-02-22 CN CN201720160432.8U patent/CN206783836U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676655A (en) * | 2017-02-22 | 2017-05-17 | 天鼎丰聚丙烯材料技术有限公司 | Drafting device for spun filaments of polypropylene needle-punched geotextile and spinning machine |
| CN111560658A (en) * | 2020-05-26 | 2020-08-21 | 无锡佳成纤维有限公司 | Spinning equipment for producing nylon filaments |
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