CN103469491A - Nonwoven fabric manufacturing apparatus and kneading unit - Google Patents
Nonwoven fabric manufacturing apparatus and kneading unit Download PDFInfo
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- CN103469491A CN103469491A CN2013103310556A CN201310331055A CN103469491A CN 103469491 A CN103469491 A CN 103469491A CN 2013103310556 A CN2013103310556 A CN 2013103310556A CN 201310331055 A CN201310331055 A CN 201310331055A CN 103469491 A CN103469491 A CN 103469491A
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 161
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 238000004898 kneading Methods 0.000 title abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 101
- 238000005201 scrubbing Methods 0.000 claims description 65
- 238000000034 method Methods 0.000 claims description 42
- 230000008569 process Effects 0.000 claims description 29
- 239000002994 raw material Substances 0.000 claims description 25
- 238000012545 processing Methods 0.000 claims description 23
- 241000381602 Vachellia nebrownii Species 0.000 claims description 22
- 238000007596 consolidation process Methods 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 6
- 238000007373 indentation Methods 0.000 claims description 5
- 238000001467 acupuncture Methods 0.000 claims description 4
- 238000007605 air drying Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000004744 fabric Substances 0.000 description 17
- 238000013461 design Methods 0.000 description 13
- 238000009960 carding Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000003446 memory effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- 229920000433 Lyocell Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Nonwoven Fabrics (AREA)
Abstract
The invention relates to non-woven fabric manufacturing equipment which comprises a kneading unit for kneading non-woven fabric, wherein the kneading unit comprises a first kneading roller and a second kneading roller which are arranged oppositely, a gap is formed between the first kneading roller and the second kneading roller for the non-woven fabric to pass through, the surfaces of the first kneading roller and the second kneading roller are provided with preset kneading furrows which are matched with each other correspondingly, the first kneading roller and the second kneading roller are used for kneading the non-woven fabric when the non-woven fabric passes through so as to lead the arrangement of fibers in the non-woven fabric to be turned, and simultaneously the fibers in the non-woven fabric are bent and deformed along with the kneading furrows so as to form patterns corresponding to the preset kneading furrows on the non-woven fabric. Compared with the prior art, the non-woven fabric manufacturing equipment provided by the invention adopts the kneading unit to knead the consolidated non-woven fabric so as to obtain the non-woven fabric with uniform fiber structure and pattern on the surface. The invention also relates to a kneading unit.
Description
Technical field
The present invention relates to a kind of non-woven fabric manufacturing equipment and rub unit.
Background technology
Nonwoven fabric claims again non-weaving cloth, refer to without traditional spinning, woven or knitting made cloth, it is generally to become net by means such as air-flow or machineries after utilizing carding machine that the fibrous raw material combing is to the single fiber state, then the modes such as water thorn, acupuncture or hot rolling of passing through are fixed, finally by arranging later the cloth without braiding formed, be a kind of tencel goods with softness, ventilative and planar structure.
Yet, in actual production process, be carded to the fibrous raw material of single fiber in the lapping process through carding machine, size due to lapping mode and fiber itself, the impact of the reason such as kind and antistatic property, can reassemble into fibre bundle or fibrous mass between fiber, thereby on the fiber web that makes to form, so-called " clouding " or fibre bundle phenomenon appear, destroyed the fibroreticulate uniformity, and when such fiber web after the follow-up technique such as fixed forms non-woven cloth products, be formed on that " clouding " in fiber web and fibre bundle will form lump in non-woven cloth products and the feel that has influence on nonwoven fabric, make the quality of product descend.
In addition, because the fiber in nonwoven fabric has certain orientation, usually differentiate anti-the tear performance of non-woven cloth products on all directions with vertical (MD) and horizontal (CD) powerful ratio of fiber, the ratio of MD:CD is less, and it is less that anti-on all directions that non-woven cloth products is described tears performance difference.And in existing non-woven fabrics craft, in fiber web after carding, fiber most (being the MD direction) is along the longitudinal arranged, and the fiber of arranging on horizontal (CD direction) direction is relatively less, thereby cause the ratio of MD:CD larger, make non-woven cloth products to tear performance difference vertically and transversely anti-larger.
Summary of the invention
In view of this, a kind of non-woven fabric manufacturing equipment that can address the above problem is provided and rubs unit real in necessary.
A kind of non-woven fabric manufacturing equipment, it comprises: combing lapping unit, it is for carrying out combing and forming fiber web to fibrous raw material, consolidation unit, it is afterwards fixed for this fiber web is carried out that it is arranged on this combing lapping unit, to form elementary nonwoven fabric, rub unit, after it is arranged on this consolidation unit, this is rubbed unit and comprises first rubbing roller and second and rub roller of being oppositely arranged, this first is rubbed roller and this second and rubs between roller and have gap for this elementary nonwoven fabric process, this first rubs the predetermined rill of rubbing that roller and this second surface of rubbing roller are formed with mutual corresponding matching, this first rub roller and this second rub roller for this elementary nonwoven fabric by the time it is rubbed, so that in this elementary nonwoven fabric, arranging of fiber turns to, and make fiber in this elementary nonwoven fabric rub rill with this to occur bending and deformation to form and should be scheduled to rub the corresponding decorative pattern of rill on this elementary nonwoven fabric simultaneously.
A kind of unit of rubbing, it is for being rubbed processing to nonwoven fabric, this is rubbed unit and comprises first rubbing roller and second and rub roller of being oppositely arranged, this first is rubbed roller and this second and rubs between roller and have gap and pass through for nonwoven fabric, this first rubs the predetermined rill of rubbing that roller and this second surface of rubbing roller are formed with mutual corresponding matching, this first rub roller and this second rub roller for this nonwoven fabric by the time it is rubbed, so that in this nonwoven fabric, arranging of fiber turns to, and make fiber in this nonwoven fabric rub rill with this to occur bending and deformation to form and should be scheduled to rub the corresponding decorative pattern of rill on this nonwoven fabric simultaneously.
Compared with prior art, this non-woven fabric manufacturing equipment provided by the present invention is rubbed processing by having the predetermined unit of rubbing of rubbing the rill structure to the elementary nonwoven fabric after fixed, not only effectively reduce " clouding " or the fibre bundle phenomenon occurred on elementary nonwoven fabric, improve the fibroreticulate uniformity and bulk, but also can make the part fiber in this elementary nonwoven fabric turn to, by initial along the MD direction, arrange finally to transfer to along the CD direction arrange, thereby increased the fiber architecture quantity of nonwoven fabric in the CD direction, reduced the aspect intensity ratio of nonwoven fabric (, the ratio of MD:CD is reduced), reduced non-woven cloth products vertically and the anti-performance difference that tears transversely, in addition, there is predetermined rubbing under the kneading action of rubbing unit of rill structure, the fiber of this elementary nonwoven fabric can occur bending and deformation along with this predetermined shape of rubbing rill in the process of rubbing, thereby can form on the non-woven cloth products obtained and should predetermined rub the corresponding floral designs of rill, make the serviceability of this finished product nonwoven fabric greatly promote.
In addition, the unit of rubbing provided by the present invention, it utilizes surface to be formed with mutual corresponding matching, and predetermined first of the rill of rubbing is rubbed roller and this second and is rubbed roller nonwoven fabric is rubbed to processing, can be rubbed effectively to reduce " clouding " or the fibre bundle phenomenon occurred on nonwoven fabric to nonwoven fabric by the stages in the nonwoven production process, make simultaneously part fiber in nonwoven fabric by initial along the MD direction, arrange finally to transfer to along the CD direction arrange, thereby increased the fiber architecture quantity of nonwoven fabric in the CD direction, reduced the aspect intensity ratio of nonwoven fabric, reduced non-woven cloth products vertically and the anti-performance difference that tears transversely.
The accompanying drawing explanation
Fig. 1 is the flow chart of the nonwoven fabric manufacturing technique that provides of embodiment of the present invention.
Fig. 2 is the structural representation of the equipment that uses in the nonwoven fabric manufacturing technique provided in embodiment of the present invention, and it comprises rubs unit.
Fig. 3 is the structural representation of rubbing unit shown in Fig. 2, and it comprises first rubbing roller and second and rub roller of being oppositely arranged.
Fig. 4 is the structural representation that first shown in Fig. 3 rubs roller.
Fig. 5 is the structural representation that second shown in Fig. 3 rubs roller.
Fig. 6 rubs the sectional view of unit when in running order shown in Fig. 3.
Fig. 7 is the fibre structure microphoto of elementary nonwoven fabric before being rubbed processing in embodiment of the present invention.
Fig. 8 is that the elementary nonwoven fabric in embodiment of the present invention is rubbed the fibre structure microphoto after processing in process.
The main element symbol description
| The |
10 |
| |
20 |
| |
21 |
| |
22 |
| Fiber |
23 |
| Water |
30 |
| |
31 |
| |
32 |
| |
33 |
| |
40 |
| |
41 |
| The first |
411 |
| |
42 |
| The second |
421 |
| |
50 |
| Take up |
60 |
| The |
70 |
| Elementary |
80 |
| The finished product |
90 |
The following specific embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
The specific embodiment
Please in the lump referring to shown in Fig. 1 to Fig. 6, the nonwoven fabric manufacturing process flow that embodiment of the present invention provides, it comprises the steps.
(1) provide fibrous raw material, this fibrous raw material is carried out to the shredding processing.
In general nonwoven fabric manufacture process, before fibrous raw material is carried out to the combing lapping, need to utilize opener to carry out the shredding processing to fibrous raw material.
In the present embodiment, adopt fiber opening unit 10 to carry out the shredding processing to fibrous raw material.Its operation principle is torn, is loosened nonwoven fabric raw materials such as fiber, cottons by the relative motion between machinery, makes the fiber of being entangled with of bulk loosen and become fritter or pencil.Especially, when the design needs according to product, while needing fibrous raw materials a kind of or that several are different are mixed according to different proportionings, mixed fibrous raw material is delivered to opener and carry out abundant shredding and can make the more even of fibrous raw material mixing.
It should be noted that, in the present invention, the fiber opening mechanism that this fibrous raw material is carried out to the shredding processing can be any fiber opening mechanism that can be applied in producing technology of non-woven fabrics.
Understandable, according to different producing technology of non-woven fabrics flow processs, also the step to fiber opening can be omitted.
(2) fibrous raw material that will process through shredding carries out the combing lapping to form fiber web 23.
The Main Function of combing lapping is that the fibrous raw material to processing through preliminary shredding carries out combing, so that fibrous raw material, in the filament state, will be exported to the back segment operation after the fibrous raw material in the filament state of combing is laid webbed fibre thin layer under the drive of holding lace curtaining simultaneously.
In the present embodiment, adopt combing lapping unit 20 to carry out the combing lapping to the fibrous raw material that will process through shredding, this combing lapping unit 20 comprises combing section 21 and lapping section 22.
This combing section 21 comprises carding machine, it is for carrying out combing to fibrous raw material, the purpose of combing is to make fibrous raw material in the filament state by mechanical mode, simultaneously, in the process of combing, can also be various fibers in fibrous raw material further evenly mix and further remove fibrous raw material in existing impurity.Industry carding machine commonly used roughly is divided into roller and clearer card and cover plate type carding machine at present.
In invention, can adopt the carding mechanism of any type to carry out combing to this fibrous raw material.
This lapping section 22 is for being laid to form this fiber web 23 on holding lace curtaining 70 in the fibrous raw material of filament state later to combing.At present industry institute generally the lapping technique of use mainly contain the technology modes such as parallel lapping, cross lapping and combined type lapping.Same, in the present embodiment, do not limit the mode of lapping, as long as the lapping technique that can be applied in the spunlace non-woven cloth production technology can use present embodiment yet.
(3) this fiber web 23 is carried out fixed to form elementary nonwoven fabric 80.
In the present embodiment, 30 pairs of these fiber webs 23 of water thorn consolidation unit are carried out fixed, it comprises pre-wet end 31 and water thorn section 32.
This pre-wet end 31 carries out pre-wet process for the fiber web 23 to after carding, and its purpose is: on the one hand this fiber web 23 is exerted pressure to get rid of the air in this fiber web; On the other hand, make fiber web 23 absorption portion moisture in advance, thus can be so that fiber web 23 can effectively absorb the energy of water jet in follow-up water thorn consolidation process, with reinforcing fibre entanglement effect.
In the technique of prewetting, at present industry mode commonly used comprise the clipping and cylinder with holes of two nets and defeated lace curtaining clipping, in the present embodiment, the mode that this fiber web 23 is prewetted is not limited to above-mentioned two kinds of modes, as long as the mode of can be in spunlace non-woven cloth technique fiber web being carried out to pre-wet process all is applicable to present embodiment.
This water thorn section 32 carries out the high-speed water jet impact being that fibers in this fiber web 23 tangle mutually for the fiber web 23 to after this pre-wet end 31 is prewetted.
After pre-wet process, this fiber web 23 enters into this water thorn section 32 under the drive of this holding lace curtaining 70, in this water thorn section 32, be mainly to adopt the fine water jets under high pressure formed after water jet 33 by high-pressure water to carry out the water jet impact to this fiber web 23, when this multiply has water jet at a high speed after this fiber web 23 of directive, it can make the part fiber on these fiber web 23 top layers comprise towards the displacement of the another side vertical motion of this fiber web 23, after water jet penetrates this fiber web 23, this water jet is subject to the rebound effect of this holding lace curtaining 70, can rebound once again and scatter on the one side that abuts in this holding lace curtaining 70 of this fiber web 23 with different orientation.Under the double action of the so continuous direct impact at water jet of the upper and lower surface of this fiber web 23 process in this water thorn process and bounce-back current, fiber in fibre web is subjected to displacement, interts, entanglement, obvolvent, form numerous flexible entanglement point, thereby fibre web is reinforced.
Industry water thorn reinforcing mode commonly used mainly contains the water thorn reinforcing mode that plain net water thorn is reinforced, rotary drum water stings reinforcing and rotary drum combines with plain net at present, in the present embodiment, employing that to be rotary drum water thorn reinforcing mode carry out the water thorn to the upper and lower surface of this fiber web 23 is fixed to form this elementary nonwoven fabric 80.Certainly, all water thorn reinforcing modes that industry is used at present all are applicable to the present invention.
Understandable, in the present invention, this fiber web 23 is carried out to fixed technique and be not limited to water thorn consolidation style, it can also be fixed other modes such as grade of acupuncture.
(4) provide one have predetermined rub the rill structure rub unit 40, use this to rub this elementary nonwoven fabric 80 of 40 pairs of unit and rubbed processing.
In the present embodiment, the purpose that this elementary nonwoven fabric 80 is rubbed is: (1), by " clouding " or fibre bundle phenomenon to occurring on the elementary nonwoven fabric 80 of the effective minimizing of rubbing of this elementary nonwoven fabric 80, improves the uniformity and the bulk of elementary nonwoven fabric 80; (2) rub by machinery, can make the fiber in this elementary nonwoven fabric 80 turn to towards the CD direction, thereby increase fiber in this elementary nonwoven fabric 80 quantity of arranging in the CD direction, to reduce the aspect intensity ratio of this elementary nonwoven fabric 80; (3) can rub according to preset pattern design the rill of rubbing of unit 40, thereby make the fiber of elementary nonwoven fabric 80 occur bending and deformation according to predetermined design in the process of rubbing, thereby form and rub the corresponding floral designs of rill with this on this elementary nonwoven fabric 80.
In the present embodiment, this is rubbed unit 40 and comprises two first rubbing roller 41, second and rub roller 42 of being oppositely arranged, and this first is rubbed roller 41 and this second and rub between roller 42 and leave gap and pass through from centre for this elementary nonwoven fabric 80.
Understandable, in the present invention, can also be according to the characteristic of required final products, multiple tracks is set and rubs roller pair, and make this multiple tracks rub roller between gap along the direction of advance of this elementary nonwoven fabric 80, reduce gradually, carry out in this way to increase gradually this elementary nonwoven fabric 80 suffered dynamics of rubbing in the process of rubbing, thereby can well reduce machinery, rub the loss of strength caused to this elementary nonwoven fabric 80.
Certainly, according to different process requirements, also can arrange make this multiple tracks rub roller between gap along the direction of advance of this elementary nonwoven fabric 80, increase gradually.
This first is rubbed roller 41 and comprises the first scrubbing part 411, and this first scrubbing part 411 is convexly equipped with at this first outer surface of rubbing roller 41 according to predetermined arrangement mode.This second is rubbed roller 42 and comprises the second scrubbing part 421, and this second scrubbing part 421 is arranged with at this second outer surface of rubbing roller 42 and matches with this first first scrubbing part 411 of rubbing roller 41.In the present invention, along this, first rubbing roller 41 or second and rub on the circumferencial direction of roller 42, the width of this first scrubbing part 411 is less than the width of this second scrubbing part 421, that is to say, this first scrubbing part 411 is matched in clearance with this second scrubbing part 421.
In the present embodiment, this first scrubbing part 411 is for being convexly equipped with at this first frustum of rubbing roller 41 outer surfaces, corresponding with this first scrubbing part 411, this second scrubbing part 421 is the groove that to be arranged with in this second inner space of rubbing roller 42 outer surfaces be inversed taper platform, and this first scrubbing part 411 and this second scrubbing part 421 cooperatively interact first to rub roller 41 and this second elementary nonwoven fabric 80 of rubbing the gap between roller 42 is rubbed processing to passing through this.
Preferably, at this first roll axial direction of rubbing roller 41, this first scrubbing part 411 linearly is intervally arranged, at this first circumferencial direction of rubbing roller 41, these the first scrubbing part 411 indentations are intervally arranged, corresponding, at this second roll axial direction of rubbing roller 42, this second scrubbing part 421 is linearly spaced apart, and at this second circumferencial direction of rubbing roller, these the second scrubbing part 421 indentations are intervally arranged.
In the process that elementary nonwoven fabric 80 is rubbed to this, owing at this, first rubbing roller 41 or the second and rub on the circumferencial direction of roller 42, for this elementary nonwoven fabric 80 is rubbed the first scrubbing part 411 of action and the second scrubbing part 421 respectively indentation be interspersed, therefore can make greatly the fiber of arranging in the MD direction in this elementary nonwoven fabric 80 turn to the CD direction to arrange, and, first rub the roll axial direction that roller 41 or the second is rubbed roller 42 at this, this first scrubbing part 411 and the second scrubbing part 421 are set to linear interval arranges, can well avoid fiber in this elementary nonwoven fabric 80 to transfer the MD direction to by the CD direction in the process of rubbing arranges.
Understandable, in the present invention, the shape of this first scrubbing part 411 is not limited to frustum, and the regular shape such as it can also ovalize, square, V-type and strip shape, can be also irregularly shaped.
Preferably, to protrude from this first height or this second scrubbing part 421 of rubbing roller 41 outer surfaces be 0.05mm ~ 5mm in this second scope of rubbing the recessed degree of depth of roller 42 outer surfaces to this first scrubbing part 411.
Preferred, it is 2mm ~ 3.5mm in this second scope of rubbing the recessed degree of depth of roller 42 outer surfaces that this first scrubbing part 411 protrudes from this first height or this second scrubbing part 421 of rubbing roller 41 outer surfaces.
Preferably, this first scrubbing part 411 is 1 ~ 100 every square centimeter in this first distribution density scope of rubbing the outer surface of roller 41, corresponding, this second scrubbing part 421 is 1 ~ 100 every square centimeter in this second distribution density scope of rubbing the outer surface of roller 42.
Preferred, this first scrubbing part 411 is 5 ~ 20 every square centimeter in this first distribution density scope of rubbing the outer surface of roller 41, corresponding, this second scrubbing part 421 is 5 ~ 20 every square centimeter in this second distribution density scope of rubbing the outer surface of roller 42.
Understandable, in the present invention, this first scrubbing part 411 and this second scrubbing part 421 first are rubbed roller 41 or second and are rubbed the arrangement mode that arrangement mode on roller 42 is not limited to above-mentioned zigzag and straight line at this, it can also be the arrangement mode of other form, as long as can be rubbed elementary to this elementary nonwoven fabric 80 through its gap.
Understandable, in the present invention, can also first rub roller 41 and the second arrangement mode of rubbing on roller 42 is designed to this first scrubbing part 411 and the second scrubbing part 421 at this according to predetermined grain pattern, as long as can realize through this, first rubbing roller 41 and this second elementary nonwoven fabric 80 of rubbing the gap between roller 42 is rubbed.
Preferably, at this, first rub roller 41 with this second when rubbing roller 42 and cooperatively interacting, this first scrubbing part 411 is 0.02mm ~ 0.5mm with the degree of depth be bonded with each other of this second scrubbing part 421.
Preferred, first rub roller 41 with this second when rubbing roller 42 and cooperatively interacting at this, this first scrubbing part 411 is 0.05mm ~ 0.2mm with the degree of depth be bonded with each other of this second scrubbing part 421.
By above-mentioned design, when this elementary nonwoven fabric 80 through this first while rubbing the gap that roller 41 and this second rub between roller 42, the first scrubbing part 411 of this mutual corresponding matching can carry out machinery to the most fibers in this elementary nonwoven fabric 80 with the second scrubbing part 421 and rub, thereby greatly increased the probability of fiber towards the CD directional steering of elementary nonwoven fabric 80, improved the fiber architecture quantity of elementary nonwoven fabric 80 on the CD direction, refer to Fig. 7 and Fig. 8, the microphoto of this elementary nonwoven fabric 80 before and after rubbing by contrast, can significantly find out, after rubbing processing, the fibre structure of this elementary nonwoven fabric 80 is more even, and the fiber architecture quantity showed increased on the CD direction.
Refer to following table, to adopt the resulting elementary nonwoven fabric sample 1 of cross lapping mode and sample 2, the employing resulting elementary nonwoven fabric sample 3 of parallel laid net mode and sample 4 passing through the above-mentioned situation of change that the physical property of front and back is rubbed in unit 40 of rubbing, wherein, it is measured that the physical data of sample 1 and sample 3 is that elementary nonwoven fabric is rubbed after processing under drying regime, and the physical data of sample 2 and sample 4 is that elementary nonwoven fabric is rubbed after processing measured under moisture state.
Data in upper table, can obviously find out, the thickness of elementary nonwoven fabric sample 1, sample 2, sample 3 and sample 4 after rubbing all increases to some extent, and MD/CD ratio all decreases.According to the data in upper table and in conjunction with Fig. 7 and Fig. 8, confirmablely be, in this nonwoven fabric manufacturing technique provided by the present invention, use this to rub the elementary nonwoven fabric in 40 pairs of unit and rubbed and really can make the fiber architecture quantity of nonwoven fabric on the CD direction increase, thereby reduce the MD/CD ratio of nonwoven fabric and the thickness that increases nonwoven fabric.By experimental verification repeatedly, learn, aspect thickness, the scope that the nonwoven thickness after rubbing increases on original basis is roughly 0 ~ 30%, at MD/CD ratio (, aspect intensity ratio) aspect, the scope that the nonwoven fabric MD/CD ratio after rubbing reduces on original basis is roughly 0 ~ 25%.
Due in the present embodiment, be to adopt water to sting fixed mode this fiber web 23 to be carried out fixed, so this elementary nonwoven fabric 80 is first to rub roller 41 and second rub gap between roller 42 and fiber bending occurs be out of shape with this by this under moistening state.
(5) this elementary nonwoven fabric 80 that uses 50 pairs of processes of drying unit to rub processing carries out drying to obtain finished product nonwoven fabric 90.
In the present embodiment, this drying unit 50 is drying cylinder.Understandable, can also be to adopt the drying equipment of the alternate manner such as hot-air seasoning to carry out drying processing to this elementary nonwoven fabric 80.
Due in the present embodiment, this elementary nonwoven fabric 80 is that the flexural deformation of fiber is occurring under moisture state, therefore on this finished product nonwoven fabric 90, formed these floral designs have certain memory effect,, this finished product nonwoven fabric 90 again meet water moistening after, the floral designs that are formed on this finished product nonwoven fabric 90 can not disappear, and still can keep original floral designs, thereby make the serviceability of this finished product nonwoven fabric 90 greatly promote.
Be understandable that, adopting the consolidation styles such as acupuncture, hot blast to carry out when fixed, this elementary nonwoven fabric 80 carried out to dry process and also can omitting to this fiber web 23.
(6) this finished product nonwoven fabric 90 is reeled and collected.
In the present embodiment, adopt take up roll 60 to reel and collect this finished product nonwoven fabric 90.Certainly, according to different production procedures, this finished product nonwoven fabric 90 also can be collected and aftertreatment technology is carried out in the technological process that directly enters into other without coiling.
Certainly, in this nonwoven fabric manufacturing process flow provided by the present invention, it also comprises other some technological processes indispensable in the nonwoven fabric manufacturing technique, for example, when making water thorn consolidation style carry out nonwoven production, also comprise water circulation system that the water to producing in water thorn flow process is recycled etc., because the present invention does not relate to the improvement to these flow processs, therefore these technological processes are not introduced to explanation in embodiment of the present invention, but this does not also mean that the manufacture craft of this nonwoven fabric provided by the present invention does not comprise above-mentioned necessary technological process in producing technology of non-woven fabrics.
The present invention also provides the nonwoven fabric that adopts above-mentioned nonwoven fabric manufacturing technique to produce, and it comprises having the nonwoven fabric matrix that uniform fiber distributes, and on this nonwoven fabric matrix, is formed with the pattern formed through rubbing.
Especially, when adopting water thorn consolidation style to carry out when fixed fiber web, the pattern on prepared this non-woven cloth products has memory effect, that is, this nonwoven fabric matrix meet water moistening after, this pattern can not disappear.
Compared with prior art, this nonwoven fabric manufacturing technique provided by the present invention and adopt the nonwoven fabric of this fabrication process, it is rubbed processing by having the predetermined unit of rubbing of rubbing the rill structure to the elementary nonwoven fabric after fixed, not only effectively reduce " clouding " or the fibre bundle phenomenon occurred on elementary nonwoven fabric, improve the fibroreticulate uniformity and bulk, but also can make the part fiber in this elementary nonwoven fabric turn to, by initial along the MD direction, arrange finally to transfer to along the CD direction arrange, thereby increased the fiber architecture quantity of nonwoven fabric in the CD direction, reduced the value of the MD:CD of nonwoven fabric, reduced non-woven cloth products vertically and the anti-performance difference that tears transversely, in addition, there is predetermined rubbing under the kneading action of rubbing unit of rill structure, the fiber of this elementary nonwoven fabric can occur bending and deformation along with this predetermined shape of rubbing rill in the process of rubbing, thereby can form on the non-woven cloth products obtained and should predetermined rub the corresponding floral designs of rill, make the serviceability of this finished product nonwoven fabric greatly promote.Especially, when adopting water thorn consolidation style to carry out when fixed fiber web, the floral designs that form on resulting non-woven cloth products have memory effect,, when this finished product nonwoven fabric again meet water moistening after, the floral designs that are formed on this finished product nonwoven fabric can not disappear, and still can keep original floral designs.
In addition, those skilled in the art also can do other variation in spirit of the present invention.Therefore the variation that these are done according to spirit of the present invention, within all should being included in the present invention's scope required for protection.
Claims (18)
1. a non-woven fabric manufacturing equipment, it comprises:
Combing lapping unit, it is for carrying out combing and forming fiber web to fibrous raw material;
Consolidation unit, it is afterwards fixed for this fiber web is carried out that it is arranged on this combing lapping unit, to form elementary nonwoven fabric;
Rub unit, after it is arranged on this consolidation unit, this is rubbed unit and comprises first rubbing roller and second and rub roller of being oppositely arranged, this first is rubbed roller and this second and rubs between roller and have gap for this elementary nonwoven fabric process, this first rubs the predetermined rill of rubbing that roller and this second surface of rubbing roller are formed with mutual corresponding matching, this first rub roller and this second rub roller for this elementary nonwoven fabric by the time it is rubbed, so that in this elementary nonwoven fabric, arranging of fiber turns to, and make fiber in this elementary nonwoven fabric rub rill with this to occur bending and deformation to form and should be scheduled to rub the corresponding decorative pattern of rill on this elementary nonwoven fabric simultaneously.
2. non-woven fabric manufacturing equipment as claimed in claim 1 is characterized in that: this consolidation unit is water thorn consolidation device or acupuncture consolidation device.
3. non-woven fabric manufacturing equipment as claimed in claim 1, it is characterized in that: this first outer surface of rubbing roller convexes with first scrubbing part of arranging according to predetermined way, this second outer surface of rubbing roller is concaved with second scrubbing part mutual corresponding with this first scrubbing part, and this first scrubbing part and the mutual matched in clearance of this second scrubbing part are to be rubbed processing to this elementary nonwoven fabric.
4. non-woven fabric manufacturing equipment as claimed in claim 3 is characterized in that: at this, first rub on the circumferencial direction of roller, this first scrubbing part indentation is intervally arranged at this first outer surface of rubbing roller.
5. non-woven fabric manufacturing equipment as claimed in claim 4 is characterized in that: at this, first rub on the roll axial direction of roller, this first scrubbing part linearly is intervally arranged at this first outer surface of rubbing roller.
6. non-woven fabric manufacturing equipment as claimed in claim 5 is characterized in that: this first scrubbing part and this second scrubbing part are the frustum that cooperatively interacts, ellipse, square, strip shape or V-structure.
7. non-woven fabric manufacturing equipment as claimed in claim 3, it is characterized in that: it is 0.05mm ~ 5mm that this first scrubbing part protrudes from this first altitude range of rubbing the roller outer surface.
8. non-woven fabric manufacturing equipment as claimed in claim 3, it is characterized in that: this first scrubbing part is 1 ~ 100 every square centimeter in this first distribution density scope of rubbing the roller outer surface.
9. non-woven fabric manufacturing equipment as claimed in claim 2, it is characterized in that: this non-woven fabric manufacturing equipment further comprises a drying unit, and it is arranged on this and rubs unit afterwards for to passing through this elementary nonwoven fabric of rubbing processing, carrying out the drying processing to obtain the finished product nonwoven fabric.
10. non-woven fabric manufacturing equipment as claimed in claim 9, it is characterized in that: this non-woven fabric manufacturing equipment further comprises a curling unit, this curling unit is arranged on after this drying unit for collecting this finished product nonwoven fabric.
11. non-woven fabric manufacturing equipment as claimed in claim 10 is characterized in that: this drying unit is drying cylinder or heated-air drying equipment.
12. rub unit for one kind, it is for being rubbed processing to nonwoven fabric, this is rubbed unit and comprises first rubbing roller and second and rub roller of being oppositely arranged, this first is rubbed roller and this second and rubs between roller and have gap and pass through for nonwoven fabric, this first rubs the predetermined rill of rubbing that roller and this second surface of rubbing roller are formed with mutual corresponding matching, this first rub roller and this second rub roller for this nonwoven fabric by the time it is rubbed, so that in this nonwoven fabric, arranging of fiber turns to, and make fiber in this nonwoven fabric rub rill with this to occur bending and deformation to form and should be scheduled to rub the corresponding decorative pattern of rill on this nonwoven fabric simultaneously.
Rub unit 13. as claimed in claim 12, it is characterized in that: this first outer surface of rubbing roller convexes with first scrubbing part of arranging according to predetermined way, this second outer surface of rubbing roller is concaved with second scrubbing part mutual corresponding with this first scrubbing part, and this first scrubbing part and the mutual matched in clearance of this second scrubbing part are to be rubbed processing to this elementary nonwoven fabric.
14. rub unit as claimed in claim 13, it is characterized in that: at this, first rub on the circumferencial direction of roller, this first scrubbing part indentation is intervally arranged at this first outer surface of rubbing roller.
15. rub unit as claimed in claim 14, it is characterized in that: at this, first rub on the roll axial direction of roller, this first scrubbing part linearly is intervally arranged at this first outer surface of rubbing roller.
16. rub unit as claimed in claim 15, it is characterized in that: this first scrubbing part and this second scrubbing part are the frustum that cooperatively interacts, ellipse, square, strip shape or V-structure.
17. rub unit as claimed in claim 13, it is characterized in that: it is 0.05mm ~ 5mm that this first scrubbing part protrudes from this first altitude range of rubbing the roller outer surface.
18. rub unit as claimed in claim 13, it is characterized in that: this first scrubbing part is 1 ~ 100 every square centimeter in this first distribution density scope of rubbing the roller outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310331055.6A CN103469491B (en) | 2011-12-14 | 2011-12-14 | Nonwoven fabric manufacturing apparatus and kneading unit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310331055.6A CN103469491B (en) | 2011-12-14 | 2011-12-14 | Nonwoven fabric manufacturing apparatus and kneading unit |
| CN2011104176150A CN102535081B (en) | 2011-12-14 | 2011-12-14 | Non-woven fabric and manufacturing process thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104176150A Division CN102535081B (en) | 2011-12-14 | 2011-12-14 | Non-woven fabric and manufacturing process thereof |
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| Publication Number | Publication Date |
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| CN103469491A true CN103469491A (en) | 2013-12-25 |
| CN103469491B CN103469491B (en) | 2016-02-24 |
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| CN2011104176150A Expired - Fee Related CN102535081B (en) | 2011-12-14 | 2011-12-14 | Non-woven fabric and manufacturing process thereof |
| CN201310331055.6A Expired - Fee Related CN103469491B (en) | 2011-12-14 | 2011-12-14 | Nonwoven fabric manufacturing apparatus and kneading unit |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104176150A Expired - Fee Related CN102535081B (en) | 2011-12-14 | 2011-12-14 | Non-woven fabric and manufacturing process thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780213A (en) * | 2016-05-26 | 2016-07-20 | 刘建文 | Short fiber integrated carding and web forming method |
| CN109354418A (en) * | 2018-11-08 | 2019-02-19 | 金陵科技学院 | A method of the rock wool of manufacture doping multiple spectra absorbing material |
| CN109853134A (en) * | 2018-11-08 | 2019-06-07 | 金陵科技学院 | The manufacturing method of rock wool product with antibacterial functions |
| CN110592803A (en) * | 2019-10-10 | 2019-12-20 | 上海盈兹无纺布有限公司 | Hot-air non-woven fabric hot-press forming equipment and method for preparing non-woven fabric |
| CN110777450A (en) * | 2018-07-31 | 2020-02-11 | 特吕茨施勒有限及两合公司 | Method for producing a nonwoven fabric by means of a carding machine |
| CN115387021A (en) * | 2022-08-09 | 2022-11-25 | 肥城泰西无纺材料有限公司 | Processing device for lyocell fiber flocculus |
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| CN102535082B (en) * | 2011-12-15 | 2013-12-11 | 金红叶纸业集团有限公司 | Non-woven fabric manufacturing equipment |
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| CN105155184A (en) * | 2015-09-25 | 2015-12-16 | 天津天美环保科技有限公司 | Non-woven fabric embossing device |
| CN107201622B (en) * | 2017-05-04 | 2019-09-27 | 东华大学 | The wet friction of a kind of mao of wool fabric and mechanically combining method for sorting |
| CN111005156B (en) * | 2019-12-19 | 2021-09-10 | 瑞安市博安防刺穿材料科技有限公司 | Method for enhancing strength of non-woven fabric by adopting secondary stretching |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105780213A (en) * | 2016-05-26 | 2016-07-20 | 刘建文 | Short fiber integrated carding and web forming method |
| CN110777450A (en) * | 2018-07-31 | 2020-02-11 | 特吕茨施勒有限及两合公司 | Method for producing a nonwoven fabric by means of a carding machine |
| CN110777450B (en) * | 2018-07-31 | 2022-08-30 | 特吕茨施勒集团欧洲公司 | Method for producing a nonwoven fabric by means of a carding machine |
| CN109354418A (en) * | 2018-11-08 | 2019-02-19 | 金陵科技学院 | A method of the rock wool of manufacture doping multiple spectra absorbing material |
| CN109853134A (en) * | 2018-11-08 | 2019-06-07 | 金陵科技学院 | The manufacturing method of rock wool product with antibacterial functions |
| CN110592803A (en) * | 2019-10-10 | 2019-12-20 | 上海盈兹无纺布有限公司 | Hot-air non-woven fabric hot-press forming equipment and method for preparing non-woven fabric |
| CN115387021A (en) * | 2022-08-09 | 2022-11-25 | 肥城泰西无纺材料有限公司 | Processing device for lyocell fiber flocculus |
| CN115387021B (en) * | 2022-08-09 | 2023-07-14 | 肥城泰西无纺材料有限公司 | Processing device for lyocell fiber flakes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103469491B (en) | 2016-02-24 |
| CN102535081A (en) | 2012-07-04 |
| CN102535081B (en) | 2013-11-20 |
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