CN106835508A - A kind of wet spinning technology prepares the laydown process and device of continuous yarn non-woven fabrics - Google Patents
A kind of wet spinning technology prepares the laydown process and device of continuous yarn non-woven fabrics Download PDFInfo
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- CN106835508A CN106835508A CN201710101115.3A CN201710101115A CN106835508A CN 106835508 A CN106835508 A CN 106835508A CN 201710101115 A CN201710101115 A CN 201710101115A CN 106835508 A CN106835508 A CN 106835508A
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- fiber tow
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- woven fabrics
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
- D04H3/045—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles for net manufacturing
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- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses the laydown process that a kind of wet spinning technology prepares continuous yarn non-woven fabrics, comprise the following steps：（1）, filament fiber tow preparing it is standby：（2）, filament fiber tow drawing-off；（3）, sheet uniform fiber tow formed；（4）, sheet uniform fiber tow conveying；（5）, sheet uniform fiber tow tilt quantity compensation deals；（6）, filament web lapping.And device for layering, it is provided for intersecting along the breadth direction of lace curtaining to will down drop down onto the sheet uniform fiber tow on lace curtaining the fleece shaping mechanism of stacking in the output end of conveying roller, the tilt quantity compensation mechanism for carrying out pulling to the sheet uniform fiber tow in heeling condition when fleece shaping mechanism is moved with fleece shaping mechanism rightabout transverse reciprocating is set between conveying roller and fleece shaping mechanism.Wet fibre bundle can be formed uniform sheet fleece by the present invention on lace curtaining, realize wet-laying, effectively improve continuous yarn non-woven fabrics quality.
Description
Technical field
The invention belongs to non-woven fabric production equipment technical field, more particularly to a kind of wet spinning technology prepares filament nonwoven
The laydown process and device of cloth.
Background technology
Continuous yarn non-woven fabrics are widely used in the fields such as health care, agricultural, industry, automobile because of its excellent performance.Long filament
Non-woven fabrics can cause that non-woven fabrics is more thin compared with staple fiber nonwoven fabric, and intensity is more preferable.Prepare continuous yarn non-woven fabrics at present
Preparation mainly include spun-bond process and wet spinning.Continuous yarn non-woven fabrics are prepared using spun-bond process, is to be extruded in polymer, drawn
Stretch and after forming continuous filament yarn, long filament is laid to net, fibre web passes through itself bonding, heat bonding, chemical adhesion or mechanical consolidation again
Method, makes fibre web become non-woven fabrics.The main technological steps of wet spinning are：Spinning solution-solidification-washing-winding-boundling-drawing
Stretch-crimp-cut off the wet shredding-drying-shredding-packing of-secondary washing-.Concrete technology flow process is：1. the preparation of viscose glue：Including
The operations such as dipping, squeezing, crushing, aging, yellow, dissolving, maturation, filtering, deaeration.2. spinning technique：Using wet spinning.It is viscous
Glue forms thread and enters containing sour coagulating bath by spinneret orifice, and alkali is neutralized in viscose glue, and thread is frozen into strand, cellulose xanthate
Transformation tissue culture is into cellulose.3. post-process：After shaping fiber need to by washing, neutralize, wash again, oil and dry etc. after place
Reason processing.
The A of CN 105401332 disclose a kind of utilization wet spinning and prepare the technique of viscose fiber filament non-woven fabrics and set
It is standby, comprise the following steps：Spinning technique (1), the preparation of spinning solution；(2), stoste Hirschfeld-Klinger reaction, the shaping of (3), viscose rayon；
(4), wash；(5), dry：Non-woven fabrics moulding process；(6), lapping：Nascent viscose rayon tow after by drying and processing is uniform
Disperse and be laid on lapper lace curtaining, form the filament web of stacking intersected with each other；(7), spun lacing is reinforced；(8), dry；
(9), wind.Equipment is made up of wet spinning device and non-woven fabric forming apparatus.Saved in the step of conventional wet spinning technique
Slightly correlation step, directly carries out the production of non-woven fabrics using the viscose fiber filament of semi-finished product, and the technique has been broken tradition and used
Finished fiber long filament is secondary to carry out the concept of nonwoven production, and is effectively saved production cost, in reducing technical process
Pollution to environment, improves production efficiency.Simultaneously CN 105420920 A, CN 105316869 A also disclose based on wet method
Spining technology prepares pure alginate fibre, the Processes and apparatus of pure chitosan fiber continuous yarn non-woven fabrics, although can be by Wet-spinning
Silk prepares continuous yarn non-woven fabrics, but because filament fiber laying is uneven, and then the filament nonwoven obtained after spun lacing is fabric
The thickness of product can not reach unanimously, that is to say, that utilize wet spinning technology, the direct lapping stacking of the filament fiber that will be obtained
The continuous yarn non-woven fabrics that homogeneous, thickness is consistent, intensity is consistent are prepared, there is no any technology to accomplish at present.
The processing technology of needle punched non-woven fabrics disclosed in the A of CN 103290616, stacking is realized using 7~8 layers of lapping mode,
Nylon spun-bonded continuous yarn non-woven fabrics and preparation method thereof disclosed in the A of CN 102776710, the method is dry spinning, by dry method
After spinning obtains fiber filament, using air-flow stretching tube, lapping is carried out after being stretched through the air-flow stretching mode of drawing-off passage, first
And not specifically disclose how lapping, secondly the method is pinprick reinforcement mode, and to prepare thinner and take into account and ensure one
Determine the continuous yarn non-woven fabrics of intensity, fleece thorn can be dissipated using acupuncture mode, and which is with wet spinning, through coagulating bath
The wet fibre bundle of output, can not enter air-flow stretching tube, it is impossible to realize wet-laying.
Above-mentioned technology is solved tradition and the defect of continuous yarn non-woven fabrics cannot be prepared by the direct lapping of fiber filament, but will
Want to carry out continuous yarn non-woven fabrics production using by the direct lapping of long filament obtained in wet spinning technology, its key factor is through wet method
Form of the wet fiber filament obtained in spinning after lace curtaining is entered is uniform sheet-like fiber net, and thickness is consistent, such ability
Ensure the non-woven fabrics thickness by being obtained after spun lacing is uniform, intensity is consistent.
Therefore, want to prepare continuous yarn non-woven fabrics using the direct lapping of long filament obtained in wet spinning technology, it is necessary to realize wet
Method spinning directly stacks lapping, and prior art does not have any record, and carries out nothing using long filament prepared by dry spinning technology
Spin cloth to prepare, short fine multi-compartment bed net mode is not suitable for wet spinning, dry spinning air drawing carries out the mode of acupuncture also not
The field of wet spinning filament fiber spun lacing reinforcing can be used.How the continuous yarn non-woven fabrics obtained through wet spinning stack to be formed
Uniform sheet filament web, realizes uniform lapping, is the key of the technology, is also current technical field urgently to be resolved hurrily
Problem.
The content of the invention
In view of the shortcomings of the prior art, the technical problems to be solved by the invention are to provide a kind of simple structure, energy
It is enough that wet fibre bundle is formed into uniform sheet fleece on lace curtaining, wet-laying is realized, effectively improve filament nonwoven cloth
Amount, it is ensured that thickness is consistent, the wet spinning technology of even intensity prepares the laydown process and device of continuous yarn non-woven fabrics.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of wet spinning technology prepares long filament
The laydown process of non-woven fabrics, comprises the following steps：
（1）, filament fiber tow preparation：Spinning solution is sprayed by spinning head, and exports filament fiber after coagulating bath reaction
Tow；
（2）, filament fiber tow drawing-off：According to the purposes of continuous yarn non-woven fabrics, the intensity data of filament fiber is selected, will exported
Filament fiber tow afterwards is oriented stretching；
（3）, sheet uniform fiber tow formation：Filament fiber tow after stretching is arranged to form sheet uniform fiber silk
Beam；
（4）, sheet uniform fiber tow conveying：The sheet uniform fiber tow that will be formed is defeated to lace curtaining direction by conveying roller
Send；
（5）, sheet uniform fiber tow tilt quantity compensation deals：Dropped down onto on lace curtaining in the case where sheet uniform fiber tow continues
During, the sheet uniform fiber tow to heeling condition enters row constraint in advance so that sheet uniform fiber tow is in all the time
With respect to tight state；
（6）, filament web lapping：Sheet uniform fiber tow is moved back and forth along the axis direction of conveying roller, makes to fall
Fiber filament on lace curtaining forms the filament fiber of continuous uniform along the width stacking intersected with each other of lace curtaining on lace curtaining
Net.
Above-mentioned wet spinning technology prepares the laydown process of continuous yarn non-woven fabrics, the tilt quantity compensation deals step,
Sheet uniform fiber tow is moved back and forth during carrying out intersection stacking, to uniformly fine to the sheet for moving back and forth from conveying roller
The sheet uniform fiber tow that heeling condition occurs in dimension tow end is held to perpendicular to the applying of sheet uniform fiber tow conveying direction
Continue reciprocal traction force.
Above-mentioned wet spinning technology prepares the laydown process of continuous yarn non-woven fabrics, and conveying roller is moved back and forth most along its axis
Breadth of the big displacement less than lace curtaining.
A kind of device for layering for realizing laydown process, including a frame, in frame, along the sheet uniform fiber tow
Conveying direction be provided with least one set of opposite conveying roller for conveying sheet-shaped uniform fiber tow for rotating, conveying roller passes through
Reducing motor is driven, and the lace curtaining persistently moved along the conveying direction of sheet uniform fiber tow is provided with below the conveying roller,
One is provided with for will down drop down onto breadth of the sheet uniform fiber tow on lace curtaining along lace curtaining in the output end of conveying roller
Direction intersect stacking fleece shaping mechanism, be provided between the conveying roller and fleece shaping mechanism to when fleece into
The sheet uniform fiber tow in heeling condition carries out laterally past with fleece shaping mechanism rightabout when type mechanism moves
The tilt quantity compensation mechanism of multiple drawing.
Above-mentioned wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics, and the fleece shaping mechanism includes a pair
The opposite active format roll and driven format roll for rotating, is provided with shaping supporting plate in frame, is provided with the shaping supporting plate
Roll body support frame for fixing active format roll and driven format roll, and drive the first of driving and driven format roll rotation to watch
Motor is taken, the guiding being connected with shaping supporting plate is provided with the frame and is molded axis direction of the supporting plate along driving and driven format roll
The first guide rail moved back and forth in frame, and the hydraulic system that driving shaping supporting plate is moved back and forth.
Above-mentioned wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics, the active format roll and driven format roll
Output end be provided with auxiliary sheet uniform fiber tow and swing stacking guiding gutter into the net, the guiding gutter is fixed on roll body branch
On support.
Above-mentioned wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics, and the tilt quantity compensation mechanism includes a pair
The opposite Active Compensation roller and driven compensating roller for rotating, is provided with compensation supporting plate in frame, is provided with the compensation supporting plate
The second roll body support frame for fixing Active Compensation roller and driven compensating roller, and drive that driving and driven compensating roller rotates the
Two servomotors, are provided with the guiding being connected with compensation supporting plate and compensate axis of the supporting plate along driving and driven compensating roller in the frame
The second guide rail that direction moves back and forth in frame, and the second hydraulic system that driving compensation supporting plate is moved back and forth.
Above-mentioned wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics, and first servomotor is by being located at into
The first motor cabinet on type supporting plate is connected with shaping supporting plate, and first motor cabinet is fixed by the first screw with shaping supporting plate,
First guide rail is set to dovetail groove type guide rail.
Above-mentioned wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics, and second servomotor is by located at benefit
The second motor cabinet repaid on supporting plate is connected with compensation supporting plate, and second motor cabinet is fixed by the second screw with shaping supporting plate,
Second guide rail is set to dovetail groove type guide rail.
The advantage of laydown process and device that wet spinning technology of the present invention prepares continuous yarn non-woven fabrics is：Using wet-laying
Principle, by set tilt quantity compensation mechanism, to being brought out to the sheet uniform fiber tow for moving back and forth from conveying roller
The sheet uniform fiber tow of existing heeling condition applies to continue back and forth drawing to perpendicular to sheet uniform fiber tow conveying direction
Power, can to fleece shaping mechanism reciprocally swinging when, inclined sheet uniform fiber tow occurs in input to be carried out effectively
Tilt quantity is compensated, it is ensured that be in drawing-off state all the time from conveying roller to the uniform tow of sheet between fleece shaping mechanism, no
The loose chaotic phenomenon of tow occurs, it is ensured that eventually arriving at the intersection of the fibre bundle laying on lace curtaining is uniformly carried out, after being
Continuous spun lacing is reinforced nonwoven molding with cloth and provides guarantee, the setting of fleece shaping mechanism, using while driving driving and driven shaping
Roller rotation and the mode of transverse shifting, not only serve conveying effect, and realize uniformly fine to dropping down onto the sheet on lace curtaining
The purpose of dimension long filament uniform crossover stacking, the wet fiber filament that solving tradition cannot directly obtain to wet spinning directly spreads
Net, and it is overall uniform to lay the final fleece for obtaining, it is ensured that and the integral thickness of final continuous yarn non-woven fabrics, intensity are consistent.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the partial structurtes enlarged drawing of part A in Fig. 1；
Fleece shaping mechanism unidirectional mobile working schematic diagram when Fig. 3 is no tilt quantity compensation mechanism；
The loose condition (of surface) that fleece shaping mechanism reverse movement fibre bundle occurs when Fig. 4 is without tilt quantity compensation mechanism is illustrated
Figure；
Fig. 5 is use state structural representation of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further details to the present invention；
As shown in Fig. 1,2,3,4,5, a kind of wet spinning technology prepares the laydown process of continuous yarn non-woven fabrics, comprises the following steps：
（1）, filament fiber tow 1 preparation：Spinning solution is sprayed by spinning head 2, and it is fine to export long filament after coagulating bath reaction
Dimension tow 1；
（2）, filament fiber tow 1 drawing-off：According to the purposes of continuous yarn non-woven fabrics, the intensity data of filament fiber is selected, will be defeated
Filament fiber tow 1 after going out is oriented stretching；
（3）, sheet uniform fiber tow 3 formation：Filament fiber 1 beam of silk after stretching is arranged to form sheet uniform fiber silk
Beam 3；
（4）, sheet uniform fiber tow 3 conveying：The sheet uniform fiber tow 3 that will be formed is by conveying roller 4 to lace curtaining 5
Direction conveys；
（5）, sheet uniform fiber tow 3 tilt quantity compensation deals：Lace curtaining 5 is dropped down onto in the case where sheet uniform fiber tow 3 continues
On process in, the sheet uniform fiber tow 6 to heeling condition enters row constraint in advance so that sheet uniform fiber tow 3 begins
Eventually in relative tight state；The specific method of the embodiment of the present invention is：Moved back and forth in sheet uniform fiber tow 3 and handed over
During fork stacking, the sheet to there is heeling condition to the sheet uniform fiber tow end 7 for moving back and forth from conveying roller 4 is equal
Even fibre bundle 6 applies to continue reciprocal traction force to the conveying direction perpendicular to sheet uniform fiber tow 3.
（6）, filament web 8 lapping：Sheet uniform fiber tow 3 is moved back and forth along the axis direction of conveying roller 9,
Make to fall width intersected with each other stacking of the fiber filament on lace curtaining 5 along lace curtaining 5, continuous uniform is formed on lace curtaining 5
Filament web 8.To ensure that sheet uniform fiber tow 3 can accurately realize stacking on lace curtaining 5, it is to avoid sheet is uniformly fine
Dimension tow 3 is fallen outside lace curtaining 5, breadth of the maximum displacement less than lace curtaining 5 that conveying roller 9 is moved back and forth along its axis.Present invention paving
What is be previously mentioned in network method realizes conveying roller 9 of the fiber filament along the width stacking intersected with each other of lace curtaining 5, with following lappings
Described driven format roll 15 is same part, step in device（4）In the conveying roller 4 that is previously mentioned to only serve conveying sheet-shaped equal
The effect of even fibre bundle 3, is not same part with conveying roller 9.
As shown in Figure 1, 2, a kind of device for layering for realizing laydown process, including a frame 10, in frame 10, along described
The conveying direction of sheet uniform fiber tow 3 be provided with it is at least one set of opposite rotate for conveying sheet-shaped uniform fiber tow 3
Conveying roller 4, conveying roller 4 driven by reducing motor 11, and the lower section of the conveying roller 4 is provided with along sheet uniform fiber tow 3
The lace curtaining 5 that persistently moves of conveying direction, be provided with one for will down drop down onto lace curtaining 5 in the output end 12 of conveying roller 4
Sheet uniform fiber tow 3 along lace curtaining 5 breadth direction intersect stacking fleece shaping mechanism 13, fleece shaping mechanism
13 include a pair opposite active format rolls 14 and driven format roll 15 for rotating, and shaping supporting plate 16, institute are provided with frame 10
The roll body support frame 17 being provided with shaping supporting plate 16 for fixing active format roll 14 and driven format roll 15 is stated, and is driven
The first servomotor that active format roll 14 and driven format roll 15 are rotated, in the embodiment of the present invention, due to asking for accompanying drawing angle
Topic, is the concrete structure of clearer expression fleece shaping mechanism 13, therefore the first servomotor is not drawn in fig. 1
Go out, it is few herein to explain during the actuation techniques are ripe prior art.It is provided with the frame 10 and is connected with shaping supporting plate 16
Guiding shaping supporting plate 16 moved back and forth in frame 10 along the axis direction of active format roll 14 and driven format roll 15 the
One guide rail 18, and the hydraulic system that driving shaping supporting plate 16 is moved back and forth, hydraulic system is arranged on device interior, therefore does not draw
Go out, and the technology is also well known to those skilled in the art prior art, therefore seldom explain.First servomotor
It is connected with shaping supporting plate 16 by the first motor cabinet 19 on shaping supporting plate 16, first motor cabinet 19 passes through the first spiral shell
Nail 20 is fixed with shaping supporting plate 16, and the first guide rail 18 can select the dovetail groove type guide rail commonly used on current lathe, operate steadily,
Maintenance is smaller, and high precision.
In order to improve regularity when sheet uniform fiber tow 3 falls, it is ensured that intersect the long filament being stacked on lace curtaining 5 fine
Dimension net 8 is uniform, and active format roll 14 and the output end 21 of driven format roll 15 are provided with auxiliary sheet uniform fiber tow 3 puts
Dynamic stacking guiding gutter 22 into the net, the guiding gutter 22 is fixed on roll body support frame 17.
It is provided between conveying roller 4 and fleece shaping mechanism 13 to being in inclination when fleece shaping mechanism 13 is moved
The sheet uniform fiber tow 6 of state compensated with the tilt quantity that the rightabout transverse reciprocating of fleece shaping mechanism 13 is pulled
Mechanism 23.Tilt quantity compensation mechanism 23 includes a pair opposite Active Compensation rollers 24 and driven compensating roller 25 for rotating, in frame 10
On be provided with compensation supporting plate 26, be provided with for fixing Active Compensation roller 24 and driven compensating roller 25 on the compensation supporting plate 26
Second roll body support frame 27, and the second servomotor that Active Compensation roller 24 and driven compensating roller 25 are rotated is driven, second watches
Take that motor is same with the first servomotor to be also not drawn into.The guiding being connected with compensation supporting plate 26 is provided with the frame 10 to compensate
The second guide rail 28 that supporting plate 26 is moved back and forth along the axis direction of Active Compensation roller 24 and driven compensating roller 25 in frame 10, with
And driving compensates the second hydraulic system that supporting plate 26 is moved back and forth, the second hydraulic system is also disposed at as the first hydraulic system
Device interior, therefore be not drawn into, certain present apparatus can simultaneously control the first hydraulic system and the second hydraulic system by controller,
Drive shaping supporting plate 16 to be moved to opposite or relative direction respectively with compensation supporting plate 26 simultaneously, realize compensation.Second servo
Motor is connected by the second motor cabinet 29 on compensation supporting plate 26 with compensation supporting plate 26, and second motor cabinet 29 passes through the
Two screws 30 are fixed with shaping supporting plate 26, and the second guide rail 28 is likewise provided as dovetail groove type guide rail.Certainly, the first guide rail 18 and
Two guide rails 28 are equally fixedly connected also by screw with frame.
As shown in figure 3, it can be seen in the drawings that in no tilt quantity compensation mechanism 23, fleece shaping mechanism 13
When laterally moving in one direction, the filament fiber tow between conveying roller 4 and fleece shaping mechanism 13 is molded in active
There is tilt phenomenon under the drive of roller and driven format roll, due to conveying roller 4 is persistently fed forward, conveying roller 4 with
Filament fiber tow between fleece shaping mechanism 13 causes the filament fiber tow in the region to be more than due to inclination before
The distance of normal straight conveying, when fleece shaping mechanism 13 is moved to another direction again, the sheet of heeling condition is uniform
Fibre bundle 6 then occurs phenomenon loose as shown in Figure 4, then when fleece shaping mechanism 13 again move by deflecting, pine
Scattered filament fiber tow 31 can then occur confusion, just be difficult to ensure that the fibre exported through active format roll 14, driven format roll 15
Dimension tow uniformly can be realized intersecting stacking on lace curtaining 5, it will directly affect the product quality of continuous yarn non-woven fabrics.Such as Fig. 5
It is shown, due to the tilt quantity compensation mechanism 23 for setting, then solve the problems, such as to occur it is chaotic, active format roll 14, it is driven into
When type roller 15 is moved to a direction, Active Compensation roller 24 and driven compensating roller 25 in tilt quantity compensation mechanism 23 can be along actively
The opposite direction movement of format roll 14, the moving direction of driven format roll 15, realizes compensation purpose.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, in essential scope of the invention, the change made, remodeling, addition or replace, should all belong to the present invention
Protection domain.
Claims (9)
1. a kind of wet spinning technology prepares the laydown process of continuous yarn non-woven fabrics, it is characterised in that comprise the following steps：
（1）, filament fiber tow preparation：Spinning solution is sprayed by spinning head, and exports filament fiber after coagulating bath reaction
Tow；
（2）, filament fiber tow drawing-off：According to the purposes of continuous yarn non-woven fabrics, the intensity data of filament fiber is selected, will exported
Filament fiber tow afterwards is oriented stretching；
（3）, sheet uniform fiber tow formation：Filament fiber tow after stretching is arranged to form sheet uniform fiber silk
Beam；
（4）, sheet uniform fiber tow conveying：The sheet uniform fiber tow that will be formed is defeated to lace curtaining direction by conveying roller
Send；
（5）, sheet uniform fiber tow tilt quantity compensation deals：Dropped down onto on lace curtaining in the case where sheet uniform fiber tow continues
During, the sheet uniform fiber tow to heeling condition enters row constraint in advance so that sheet uniform fiber tow is in all the time
With respect to tight state；
（6）, filament web lapping：Sheet uniform fiber tow is moved back and forth along the axis direction of conveying roller, makes to fall
Fiber filament on lace curtaining forms the filament fiber of continuous uniform along the width stacking intersected with each other of lace curtaining on lace curtaining
Net.
2. wet spinning technology according to claim 1 prepares the laydown process of continuous yarn non-woven fabrics, it is characterized in that：It is described to incline
Gradient compensation deals step, during sheet uniform fiber tow is moved back and forth and carries out intersection stacking, to from conveying roller to
There is the sheet uniform fiber tow of heeling condition to uniformly fine perpendicular to sheet in the sheet uniform fiber tow end for moving back and forth
Dimension tow conveying direction applies to continue reciprocal traction force.
3. wet spinning technology according to claim 1 prepares the laydown process of continuous yarn non-woven fabrics, it is characterized in that：Conveying roller
Breadth of the maximum displacement less than lace curtaining moved back and forth along its axis.
4. a kind of device for layering for realizing the laydown process as described in claim any one of 1-5, an including frame, its feature exists
In：In frame, along the conveying direction of the sheet uniform fiber tow be provided with it is at least one set of opposite rotate for conveying
The conveying roller of sheet uniform fiber tow, conveying roller is driven by reducing motor, is provided with equal along sheet below the conveying roller
The lace curtaining that the conveying direction of even fibre bundle is persistently moved, one is provided with for that will drop down onto net down in the output end of conveying roller
Sheet uniform fiber tow on curtain intersects the fleece shaping mechanism of stacking, the conveying roller and fibre along the breadth direction of lace curtaining
It is provided with to the sheet uniform fiber tow in heeling condition when fleece shaping mechanism is moved between dimension net forming mechanism
Carry out the tilt quantity compensation mechanism pulled with fleece shaping mechanism rightabout transverse reciprocating.
5. wet spinning technology according to claim 4 prepares the device for layering of continuous yarn non-woven fabrics, it is characterized in that：The fibre
Dimension net forming mechanism includes a pair opposite active format rolls and driven format roll for rotating, and shaping supporting plate is provided with frame,
The roll body support frame for fixing active format roll and driven format roll is provided with the shaping supporting plate, and is driven master and slave
The first servomotor that dynamic format roll is rotated, be provided with the frame guiding shaping supporting plate that is connected with shaping supporting plate along master,
The first guide rail that the axis direction of driven format roll is moved back and forth in frame, and the hydraulic pressure that driving shaping supporting plate is moved back and forth
System.
6. wet spinning technology according to claim 5 prepares the device for layering of continuous yarn non-woven fabrics, it is characterized in that：The master
Dynamic format roll is provided with auxiliary sheet uniform fiber tow and swings stacking guiding gutter into the net, institute with the output end of driven format roll
Guiding gutter is stated to be fixed on roll body support frame.
7. wet spinning technology according to claim 4 prepares the device for layering of continuous yarn non-woven fabrics, it is characterized in that：It is described to incline
Gradient compensation mechanism includes a pair opposite Active Compensation rollers and driven compensating roller for rotating, and compensation supporting plate is provided with frame,
The second roll body support frame for fixing Active Compensation roller and driven compensating roller is provided with the compensation supporting plate, and is driven
The second servomotor that driving and driven compensating roller is rotated, is provided with the guiding being connected with compensation supporting plate and compensates supporting plate in the frame
The second guide rail moved back and forth in frame along the axis direction of driving and driven compensating roller, and drive compensation supporting plate to move back and forth
The second hydraulic system.
8. wet spinning technology according to claim 5 prepares the device for layering of continuous yarn non-woven fabrics, it is characterised in that：It is described
First servomotor is connected by the first motor cabinet on shaping supporting plate with shaping supporting plate, and first motor cabinet passes through the
One screw is fixed with shaping supporting plate, and the first guide rail is set to dovetail groove type guide rail.
9. wet spinning technology according to claim 7 prepares the device for layering of continuous yarn non-woven fabrics, it is characterised in that：It is described
Second servomotor is connected by the second motor cabinet on compensation supporting plate with compensation supporting plate, and second motor cabinet passes through the
Two screws are fixed with shaping supporting plate, and the second guide rail is set to dovetail groove type guide rail.
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| CN201710101115.3A CN106835508B (en) | 2017-02-23 | 2017-02-23 | Lapping method and device for preparing filament non-woven fabric by wet spinning technology |
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| CN201710101115.3A CN106835508B (en) | 2017-02-23 | 2017-02-23 | Lapping method and device for preparing filament non-woven fabric by wet spinning technology |
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| CN106835508B CN106835508B (en) | 2021-10-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107354591A (en) * | 2017-06-29 | 2017-11-17 | 青岛大学 | The wet-laying mechanism of continuous yarn non-woven fabrics is prepared based on wet spinning technology |
| CN108998889A (en) * | 2018-08-17 | 2018-12-14 | 绩溪袁稻农业产业科技有限公司 | A kind of preparation process of ES hydrophilic fibers non-woven fabrics |
| CN109665483A (en) * | 2017-10-16 | 2019-04-23 | 马凯娟 | A kind of the quilt filler and its manufacture craft of natural affine human body |
| CN110079936A (en) * | 2019-04-17 | 2019-08-02 | 厦门当盛新材料有限公司 | Fiber aftertreatment equipment and method are spun in a kind of sudden strain of a muscle |
| CN117385558A (en) * | 2023-12-11 | 2024-01-12 | 厦门当盛新材料有限公司 | Multi-unit combined high-speed spinning lapping equipment and lapping method thereof |
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| CN109665483A (en) * | 2017-10-16 | 2019-04-23 | 马凯娟 | A kind of the quilt filler and its manufacture craft of natural affine human body |
| CN108998889A (en) * | 2018-08-17 | 2018-12-14 | 绩溪袁稻农业产业科技有限公司 | A kind of preparation process of ES hydrophilic fibers non-woven fabrics |
| CN110079936A (en) * | 2019-04-17 | 2019-08-02 | 厦门当盛新材料有限公司 | Fiber aftertreatment equipment and method are spun in a kind of sudden strain of a muscle |
| CN117385558A (en) * | 2023-12-11 | 2024-01-12 | 厦门当盛新材料有限公司 | Multi-unit combined high-speed spinning lapping equipment and lapping method thereof |
| CN117385558B (en) * | 2023-12-11 | 2024-03-08 | 厦门当盛新材料有限公司 | Multi-unit combined high-speed spinning lapping equipment and lapping method thereof |
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