CN104246045B - For limited fibre meltblown, shaping and lay are become the method and apparatus of fiber matting - Google Patents
For limited fibre meltblown, shaping and lay are become the method and apparatus of fiber matting Download PDFInfo
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- CN104246045B CN104246045B CN201380021780.1A CN201380021780A CN104246045B CN 104246045 B CN104246045 B CN 104246045B CN 201380021780 A CN201380021780 A CN 201380021780A CN 104246045 B CN104246045 B CN 104246045B
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Classifications
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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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
Abstract
The present invention relates to a kind of method and apparatus for limited fiber meltblown, shaping are become fiber matting with lay.Here, be blown to inside the shaping gap of profile member by the fiber stream that meltblown nozzle and thermal current produce, wherein, described fiber becomes fibre composites at shaping gap internal combination.In order to directly affect fiber below meltblown nozzle in the filling within shaping gap and shaping, according to the present invention, described fiber is from meltblown nozzle until shaping gap is generally vertically freely guided path adjustable blowing, wherein, the described adjusting range blowing path is 100mm to 2000mm.Thus advantageously can not only make superfine fiber and thick fiberizing can be made to be loose fibre composites.
Description
Technical field
The present invention relates to a kind of method for limited fibre meltblown, shaping and lay are become fiber matting, at this
In method, utilize thermal current to be blown into the fiber being produced by meltblown nozzle in shaping gap, will be formed by shaping gap
Fibre composites shaping gap outlet side on discharge.The invention still further relates to a kind of for by limited fibre meltblown, shaping
Become the device of fiber matting with lay, it has the meltblown nozzle for producing fiber stream and for forming shaping gap
At least one profile member, described fiber is molded into fibre composites in this shaping gap and is discharged.
Background technology
In the prior art, in order to synthetic fibers are manufactured fiber matting, known two kinds of different methods in principle
And device.The difference of two kinds of methods is not only in that the production of fiber, and is to be formed the fiber placement of fiber matting.
By being referred to as the flexible program of meltblown technique in professional domain, by direct for the fiber utilizing meltblown nozzle newly to extrude
Pulled out by thermal current when discharging from the nozzle bore of meltblown nozzle and draw into fiber matting as fiber conductance.?
This substantially produces limited fiber, and described limited fiber has of a relatively high elasticity.The present invention is derived from this modification side
Case, as explain in further detail below.
In the second flexible program (it is referred to as so-called spunbond process in professional domain), synthetic filaments utilizes spinning-nozzle
Extrude and be cooled.Then, monofilament utilizes the compressed air of input to be directed to fiber matting as fiber stream.At this
Fiber matting is made up of the monofilament for no reason of higher-strength substantially.At this for lay monofilament, employ and taken out by additional
Inhaling the compressed air stream that device produces, this compressed air stream can be adjusted according to corresponding technique on personalized ground.
By comparison, the thermal current producing on meltblown nozzle in meltblown technique is for pulling out extruded fiber simultaneously
And it is used for lay down fibre.Can directly realize on sieve band or screen drum at this fiber placement, fiber stream accumulates in this sieve band or sieve
Cylinder surface on and be directed to fibre composites together.The fiber matting loose especially in order to produce structure, it was known that profit
Receive fiber stream with shaping gap and be directed to fibre composites together.For example by the known this method of DE 30 41 089A1
With this device.It here, be provided with two profile members below meltblown nozzle, is formed with shaping gap betwixt.Become groove part
Gap is medially kept relative to meltblown nozzle, thus makes fiber stream directly be aligned to groove part gap.In this fiber placement
Shortcoming is, a part of air-flow directly acts on the composite section being laid in shaping gap.Normal on compass screen surface of fiber stream
Laid course in, air-flow is received by compass screen surface and discharges.Can only when this point is in fiber stream lay to shaping gap
Realized by the profile member arranging in side.
Content of the invention
It is an object of the invention to, so improve being used for limited fiber meltblown, shaping and lay fibroblast of described type
The method and apparatus of dimension adhesive-bonded fabric so that fiber the thinnest even also can be shaped to loose fiber in shaping gap
Compound.
It is another object of the present invention to, so improve known for by limited fiber meltblown, shaping and lay fibroblast
The method and apparatus of dimension adhesive-bonded fabric so that the substantial amounts of fiber non-woven having from Chong Dao great face, little face weight can be produced neatly
Fabric.
This purpose is realized by following manner according to the inventive method, it may be assumed that for by limited fibre meltblown, shaping and paving
Put in the method for fiber matting, utilize thermal current to be blown into the fiber being produced by meltblown nozzle in shaping gap,
Discharging the fibre composites being formed by shaping gap on the outlet side in shaping gap, wherein, shaping gap is arranged on molten
Blow and spray between mouth and sieve band, sieve lay fibroblast dimension adhesive-bonded fabric on band by the fibre composites that shaping gap is formed described,
Described fiber is from meltblown nozzle until shaping gap is generally vertically freely guided by the adjustable path that blows, wherein,
The described adjusting range blowing path is 100mm to 2000mm.
This purpose is realized by following manner according to apparatus of the present invention, it may be assumed that for by limited fibre meltblown, shaping and lay
The device becoming fiber matting has: for producing the meltblown nozzle of fiber stream；It is molded at least the one of gap with for being formed
Individual profile member, described fiber is molded into fibre composites in this shaping gap and is discharged, wherein, at least one one-tenth described
Type element is arranged on meltblown nozzle and sieves between band, fibre composites lay fibroblast dimension adhesive-bonded fabric on described sieve band, is melting
Blowing and spraying and being formed with the adjustable path that blows freely between mouth and shaping gap, wherein, this is orientated simultaneously with blowing path vertical
And can be adjusted in the range of 100mm to 2000mm by the Height Adjustment of meltblown nozzle and/or profile member.
It is a feature of the present invention that and independently can select to select on meltblown nozzle with lay in shaping gap for the fiber
Select and produce required thermal current for fiber.In order to make air intensity of flow during lay reach the degree favourable for shaping, can
Shorten as required so that blowing path or extend.The path that blows below this meltblown nozzle and shaping gap can be favourable
Be vertically oriented, thus can form the 3D structure of fibre composites when lay and shaping.
In order to high homogeneity shaping fiber compound, according to the favourable improvement project regulation of the present invention, described fiber
In order to be molded be blown into two that turn round in opposite directions, have between the cylinder of ventilative cylinder wall, be formed between these cylinders
It is molded gap, and these cylinders are driven with identical, the circumferential speed in the range of 0.1m/min to 50m/min respectively.Logical
Cross the circumferential speed adjusting cylinder, can advantageously affect the surface density of fiber volume.Week hence with the cylinder wall improving
Very loose fiber matting can be produced to speed in shaping gap.
Not only for according to the present invention method and also for all it turned out advantageously according to assembly of the invention,
Described fibre composites is sieving lay fibroblast dimension adhesive-bonded fabric, described sieve band on band by one of cylinder cylinder after shaping
Fiber matting is made tangentially to discharge along cylinder.Therefore can perform on fiber matting with short linking other at
Reason.
The density of produced fiber matting is determined by the shaped cross-sections in shaping gap substantially.With simple side
Formula and method are achieved in that the adjustment to shaping gap so that the distance between cylinder exists between the rollers symmetrically or non-symmetrically
Adjust in the region of 1mm to 100mm.The axis being molded gap when asymmetric adjustment is no longer heavy with the center of meltblown nozzle
Close.It is possible to additionally inside shaping gap, produce lay effect and shaping.
There is also following possibility in order to form asymmetrical shaping gap, it may be assumed that at two, there is different diameter of cylinder
Form shaping gap between cylinder.At this according to a favourable improvement project of apparatus of the present invention, can have consistent cylinder straight
Footpath or diameter proportion are the different diameter of cylinder of 0.5 to 2.0.It is possible to advantageously produce on fiber matting difference
Surface texture.For the diameter of cylinder of cylinder this described in the range of 100mm to 800mm.
Affect fiber placement in order on the one hand blow air by reception on the approaching side of shaping gap, on the other hand can
With conveying fiber adhesive-bonded fabric at least one in cylinder, so improve according to assembly of the invention so that in cylinder
One suction room with inside, this suction room is connected with negative pressure source and by ventilative cylinder wall versus environmental shielding.By
This can produce additional suction stream, for concuring when producing and guide fiber matting.This effect also by under
The mode of stating is supported, it may be assumed that make two cylinders be respectively provided with independent suction room, and these suction rooms are jointly connected to one and bear
It on potential source, or is connected with two negative pressure sources independently.
It turned out particularly advantageous improvement project of the present invention is, Angle Position in cylinder circumference for the described suction room is can
Adjust.It is possible to the position freely selecting to aspirate the entrance and exit relative to shaping gap for the room.
Brief description
Below by way of the embodiment of apparatus of the present invention be elucidated in more detail with reference to the drawing according to the present invention method and according to
Assembly of the invention.Accompanying drawing illustrates:
Fig. 1 illustrates the dress for limited fiber meltblown, shaping become fiber matting with lay according to the present invention
The schematic cross section of the first embodiment put,
Fig. 2 illustrates showing of another embodiment of the device for meltblown, shaping and lay limited fibre according to the present invention
Meaning cross-sectional view,
Fig. 3 illustrates showing of the another embodiment of the device for meltblown, shaping and lay limited fibre according to the present invention
Meaning cross-sectional view,
Fig. 4 illustrates showing of another embodiment of the device for meltblown, shaping and lay limited fibre according to the present invention
Meaning cross-sectional view.
Detailed description of the invention
Schematically show the first embodiment of apparatus of the present invention in FIG with cross-sectional view.This embodiment has meltblown spray
Mouth 1 and be maintained at the profile member 2 below meltblown nozzle 1.Profile member 2 is formed by two cylinders driving in opposite directions 3, in institute
State and between cylinder, be formed with shaping gap 6.Shaping gap 6 extends in vertical direction between cylinder 2.1 and 2.2, wherein, and rolling
Cylinder 2.1 and 2.2 is symmetrical with regard to the longitudinal axis of meltblown nozzle 1.The driving means of cylinder 2.1 and 2.2 is here not illustrated in detail
And can be realized by driving group or independent driving device.Cylinder 2.1 and 2.2 is respectively provided with ventilative cylinder wall 3, described
Cylinder wall with by the given circumferential speed of the driving means of cylinder 2.1 and 2.2 opposite to each other at fiber blowing direction upper rotary.
Meltblown nozzle 1 is arranged in frame 13 in adjustable for height mode above cylinder 2.1 and 2.2.Here, meltblown spray
Mouth 1 includes in centrally disposed plane, at least one row nozzle passage 10, and described nozzle passage acts on the sky of outlet side jointly
To produce fiber stream 7 in gas jets 11.1 and 11.2.Air nozzle 11.1 and 11.2 is equipped with two delivery air chamber 12.1 Hes
12.2, described delivery air chamber is connected with unshowned compressed air source here.Nozzle passage on meltblown nozzle 1 is in maximum
Extend in the length of seven meters.Correspondingly, cylinder 2.1 and 2.2 has the length of about seven meters equally to form shaping gap 6.?
This also mentions so-called working width, and fiber matting is formed by synthetic fibers continuously with this working width.
In order to especially affect lay in shaping gap 6 for the fiber and shaping, meltblown nozzle 1 can be not in frame 13
Adjust on same height, thus formed between meltblown nozzle 1 and shaping gap 6 and blow path freely.This blows freely
Path is represented by letter b in FIG and is come certainly by the distance between meltblown nozzle 1 bottom side and cylinder 2.1 and 2.2 end face
Fixed.
According to fiber type and fibre technology, can in the range of 100mm to 2000mm hierarchically or infinitely adjust
Blow path.The fiber stream thus can being directly entered in shaping gap without the impact of addition thereto ground.
In the embodiment shown in fig. 1, fiber matting directly passes through cylinder 2.2 after discharging from shaping gap 6
Cylinder wall 3 is derived.Being formed with suction room 4 on the outlet side of cylinder 2.2 for this, this suction room couples with negative pressure source 5.By from
The suction stream that surrounding environment produces, it is achieved that the enforced guiding to fiber matting, thus can make fiber matting inclined
Turn and directly tangentially derive with cylinder 2.2.Make what fiber stream was molded to blow air advantageous by suction room 4 and negative pressure source
Receive and discharge.In order to support to blow the discharge of air, the second suction room can be similarly formed on opposed cylinder 2.1,
This second suction room is connected with a negative pressure source.
In FIG on cylinder 2.1 shown in broken lines second suction room possible structure.The suction room 4 ' of cylinder 2.1 and
The suction room 4 of cylinder 2.2 is respectively provided with the Angle Position staggering on cylinder 2.1 and 2.2, to affect fiber placement and to blow air
Discharge.The Angle Position of suction room 4 and 4 ' can realize in the way of can adjusting in the perimembranous of cylinder 2.1 and 2.2.It is achieved in
High degree of flexibility for fiber placement.Therefore, aspirate room 4 and 4 ' can relative to shaping gap 6 arrange with mutually staggering (as
Shown in Fig. 1), or relatively adjust on cylinder 2.1 and 2.2 with putting.
In the embodiment (wherein only cylinder 2.2 has suction room 4) shown in Fig. 1, the Angle Position of suction room 4 is at cylinder
It is possible not only to shift clockwise in the perimembranous of 2.2, and can be with displaced counter-clockwise.Therefore shaping gap 6 can be especially pumped in
Region on entrance or the region in the outlet of shaping gap 6.
In the embodiment shown in fig. 1, cylinder 2.1 and 2.2 is respectively provided with the diameter of cylinder of formed objects.Diameter of cylinder with
Letter D1And D2Represent.D in this case1=D2.Here, the diameter of cylinder of cylinder 2.1 and 2.2 may be located at 100mm extremely
In the range of 800mm.The shaping gap 6 being formed by cylinder 2.1 and 2.2 has a shaped cross-sections, and this shaped cross-sections is by two
Distance between individual cylinder 2.1 and 2.2 determines.Distance between cylinder is represented by capital F in FIG.Cylinder 2.1 with
Distance F between 2.2 can be by traveling roller 2.1 or 2.2 or changed by mobile two cylinders 2.1 and 2.2.Therefore
The symmetrical cross section change of groove part gap 6 can be adjusted to when two cylinders 2.1 and 2.2 move simultaneously.Cylinder 2.1 and 2.2
One of the unilateral mobile asymmetrical adjustment also can being advantageously carried out with regard to meltblown nozzle 1 axis of cylinder.
Shown in the embodiment according to Fig. 3, it is for example molded the asymmetrical design structure in gap.Embodiment according to Fig. 3
Consistent with the embodiment according to Fig. 1, therefore only explain difference below.In the embodiment shown in fig. 3, cylinder 2.1 has
Less diameter of cylinder.It is to say, the diameter of cylinder D of cylinder 2.11Diameter of cylinder D less than cylinder 2.22.Cylinder 2.1 He
The diameter ratio of the diameter of cylinder of 2.2 is positioned at D1/D2To form different shaping gaps in the range of=0.5～2.0.Thus be given
Additional flexibility to obtain possible effect when fibre forming.
In the embodiment shown in Fig. 1 and Fig. 3, polymer melt utilizes unshowned melt source here to flow to meltblown
Nozzle.By one or more pumps, melt guided under stress the nozzle passage 10 by meltblown nozzle 1.At meltblown nozzle 1
Discharge side on by air nozzle 11.1 and 11.2 produce heat air-flow, this air-flow with from nozzle passage 10 discharge fiber one
Rise jointly to be blown into and blow in path.Produced fiber stream 7 is vertically oriented and encounters in the end blowing path B
Groove part gap 6 and cylinder the 2.1st, 2.2 cylinder wall 3 on.By the rotational motion of cylinder 2.1 and 2.2, fiber is directed into into groove part
In gap 6 and be shaped to fibre composites 8.Described shaping realizes essentially by the shaped cross-sections in shaping gap 6, thus in rolling
The fiber matting 9 completing has occurred in the discharge side of cylinder 2.1 and 2.2.Fiber matting 9 is leaving shaping gap 6
Carried by cylinder 2.2 and derive later.The drum rotation speed of cylinder 2.1 and 2.2 be set to synchronization and can be at 0.1m/
Infinitely adjust in the range of the circumferential speed of min to 50m/min.
In fig. 2 with cross-sectional view schematically show according to the present invention for meltblown, shaping and depositing synthetic fibers
Another embodiment of device.This embodiment is substantially consistent with the embodiment of Fig. 1, therefore explains difference at this, in other
Hold and refer to above description.
In the embodiment shown in Figure 2, meltblown nozzle 1 is consistent with the embodiment according to Fig. 1.Below meltblown nozzle 1
Guide and be provided with cylinder 2.1 and 2.2 as profile member 2 in frame 15.Cylinder 2.1 and 2.2 jointly can guide frame
Infinitely adjust its position on 15, on the one hand make the path B that blows being formed between meltblown nozzle 1 and shaping gap 6 change, separately
On the one hand make to be formed at the lay height A change sieved with between 14 and cylinder 2.2.Lay height is in fig. 2 by letter A table
Show.Sieve band 14 below cylinder 2.1 and 2.2 is so directed to by multiple deflector rolls 16 so that fiber matting can be tangential
Ground is derived from cylinder 2.1 and 2.2.By cylinder 2.2 and sieve with 14 between adjustment, additionally exist formed be used for fiber without
The possibility of the additional shaping area of yarn fabric.
Cylinder 2.1 and 2.2 is jointly driven opposite to each other by motor 19.Drive shaft for this cylinder 2.1 and 2.2 passes through belt
20 and belt pulley 21 be connected with each other.The rotation direction of cylinder 2.1 and 2.2 points to the fiber entering in shaping gap 6 in the same manner
Stream 7.Therefore can be by reception in shaping gap 6 for the circumferential speed control fiber of cylinder 2.1 and 2.2.
The function of the embodiment according to apparatus of the present invention shown in fig. 2 is consistent according to the embodiment of Fig. 1 with above-mentioned.Only
Be fiber matting be laid on the sieve band being arranged on below cylinder 2.1 and 2.2 realization.Also can adjust bigger at this
Lay height A, thus make from shaping gap 6 discharge fibre composites first discharged by cylinder, be then freely laid in
On sieve band.In order to receive and discharge blows air, one or two cylinder can be made to be furnished with suction room, as according to Fig. 1
As described in embodiment.
The embodiment according to apparatus of the present invention shown in fig. 2 is especially also applied for producing adhesive-bonded fabric compound.By
Fig. 4 provides another embodiment according to apparatus of the present invention, and plurality of meltblown nozzle is arranged abreast, be used for making multiple fiber without
Yarn fabric is combined into adhesive-bonded fabric compound.Illustrate that total of three blows station the 17.1st, 17.2 and in the embodiment shown in fig. 4
17.3, the described station that blows is shown respectively a meltblown nozzle.Blowing in station 17.1 and 17.2 two above, fiber stream is by becoming
Groove part gap receives and is molded and then carries lay on 14 at sieve.At this blow the shaping gap 6 at station 17.1 and 17.2 with molten
Blow and spray to set between mouth 1 and different blow path.Second blows station 17.2 and first to blow station 17.1 consistent, is thus sieving band 14
Lay the second fiber matting on surface, this second fiber matting and the first fiber matting form a compound.
3rd blows station 17.3 illustrates that one is arranged on, with short distance, the meltblown nozzle 1 sieving with above 14.Shape on the opposite side with 14 for the sieve
Becoming to have aspirator 18, this aspirator is used for making fiber stream receive on sieve band 14 surfaces.By blowing station 17.3 generation
Therefore fiber matting is directly laid in sieve and forms on-woven with on 14 surfaces and with the fiber matting having existed
Thing compound.
It according to the method for the present invention and is applicable to process all raw material weaved such as polyolefin according to assembly of the invention
(the such as cycloolefin of polyethylene, polypropylene, polyoctenamer, polymerization), aliphatic polyester, cyclo-aliphatic polyester and partially aromatic polyester, fat
Polyamide and Nomex, poly (arylene sulfide) and polyarylene oxides, polyformaldehyde, Merlon, thermoplastic polyurethane
Or reaction resin (such as melamine resin, phenolic resin, epoxy resin).By blowing the adjustable in path, can be made this
A little raw materials produce very loose fiber matting with different fibre coarsenesses.Can be with height in the shaping within shaping gap
Degree uniformity and steadiness realize.
Reference numerals list:
1 meltblown nozzle
2 profile members
2.1,2.2 cylinder
3 cylinder walls
4,4 ' suction rooms
5,5 ' negative pressure sources
6 shaping gaps
7 fiber streams
8 fibre composites
9 fiber mattings
10 nozzle passages
11.1,11.2 air nozzle
12.1,12.2 delivery air chamber
13 frames
14 sieve bands
15 guiding frames
16 deflector rolls
17.1,17.2,17.3 blow station
18 aspirators
19 motors
20 belts
21 belt pulleys
Claims (14)
1. for limited fiber meltblown, shaping are become with lay a method for fiber matting, in the method, utilize
The fiber being produced by meltblown nozzle is blown in shaping gap by thermal current, the fibre composites that will be formed by shaping gap
The outlet side in shaping gap is discharged, it is characterised in that shaping gap is arranged between meltblown nozzle and sieve band, by shaping
The fibre composites that gap is formed lay fibroblast dimension adhesive-bonded fabric on described sieve band, from meltblown nozzle to shaping gap adjustable
Whole blowing generally vertically carries out free guiding to fiber on path, the wherein said adjusting range blowing path is 100mm
To 2000mm.
2. method according to claim 1, it is characterised in that fiber is blown into two that turn round in opposite directions, have ventilative
It to be shaped between the cylinder of cylinder wall, between these cylinders, is formed with shaping gap, and described cylinder is respectively with phase
With, the circumferential speed in the range of 0.1m/min to 50m/min driven.
3. method according to claim 2, it is characterised in that described fibre composites is after shaping by described cylinder
One sieve band on lay fibroblast dimension adhesive-bonded fabric, described sieve band makes fiber matting tangentially discharge with cylinder.
4. method according to claim 2, it is characterised in that in order to be adjusted to the shaped cross-sections at groove part gap, in rolling
In the range of 1mm to 100mm, the distance between cylinder symmetrically or non-symmetrically is adjusted between Tong.
5. the method according to according to any one of claim 2 to 4, it is characterised in that described fiber is blown into symmetrical or non-
In symmetrical shaping gap, wherein, described cylinder has a consistent diameter of cylinder for this or diameter proportion is not 0.5 to 2.0 not
Same diameter of cylinder.
6. method according to claim 5, it is characterised in that the diameter of cylinder of described cylinder is 100mm to 800mm.
7., for limited fiber meltblown, shaping are become with lay a device for fiber matting, have: be used for producing fibre
The meltblown nozzle (1) of dimension stream；For forming at least one profile member (2) of shaping gap (6), described fiber is at this one-tenth groove part
Gap is molded into fibre composites and is discharged, it is characterised in that at least one profile member described be arranged on meltblown nozzle with
Between sieve band, fibre composites lay fibroblast dimension adhesive-bonded fabric on described sieve band, in meltblown nozzle (1) and shaping gap (6)
Between be formed with the adjustable path (B) that blows freely, wherein, this blows path (B) and is vertically oriented and passes through meltblown
The Height Adjustment of nozzle (1) and/or profile member (2) can adjust in the range of 100mm to 2000mm.
8. device according to claim 7, it is characterised in that described shaping gap (6) has ventilative cylinder wall at two
(3) being formed between cylinder (2.1,2.2), described cylinder can with the circumferential speed in the range of 0.1m/min to 50m/min in opposite directions
Ground is driven.
9. device according to claim 8, it is characterised in that the lower section of described cylinder (2.1,2.2) is provided with traveling
Sieve band (14), wherein, described sieve band (14) makes fiber matting and cylinder (2.1,2.2) tangentially discharge.
10. device according to claim 8 or claim 9, it is characterised in that the shaping in order to be adjusted to groove part gap (6) place is transversal
Face (F), in the range of symmetrically or non-symmetrically being formed with 1mm to 100mm in adjustable mode between cylinder (2.1,2.2)
, the distance between cylinder (2.1,2.2).
11. devices according to claim 8 or claim 9, it is characterised in that described cylinder (2.1,2.2) in order to formed symmetry or
Asymmetrical shaping gap (6) and there is consistent diameter of cylinder or the different diameter of cylinder that diameter proportion is 0.5 to 2.0
(D1, D2)。
12. devices according to claim 11, it is characterised in that described cylinder (2.1,2.2) has 100mm to 800mm
In the range of diameter of cylinder.
13. devices according to claim 8 or claim 9, it is characterised in that one of described cylinder (2.1,2.2) or two
Individual cylinder (2.1,2.2) all has the suction room (4,4 ') of inside, and described suction room connects with negative pressure source (5,5 '), and described
Suction room is by ventilative cylinder wall (3) versus environmental shielding.
14. devices according to claim 13, it is characterised in that described suction room (4,4 ') is in cylinder (2.1,2.2) week
Angle Position in portion is adjustable.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012008625.3 | 2012-04-27 | ||
| DE102012008625 | 2012-04-27 | ||
| PCT/EP2013/057777 WO2013160134A1 (en) | 2012-04-27 | 2013-04-15 | Method and device for melt-blowing, forming and plaiting finite fibres to produce a fibrous nonwoven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104246045A CN104246045A (en) | 2014-12-24 |
| CN104246045B true CN104246045B (en) | 2016-11-02 |
Family
ID=48184159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380021780.1A Active CN104246045B (en) | 2012-04-27 | 2013-04-15 | For limited fibre meltblown, shaping and lay are become the method and apparatus of fiber matting |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2841634B1 (en) |
| CN (1) | CN104246045B (en) |
| WO (1) | WO2013160134A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111556909B (en) | 2017-11-22 | 2024-04-09 | 挤压集团公司 | Meltblowing die tip assembly and method |
| DE102018005081A1 (en) * | 2018-06-27 | 2020-01-02 | Oerlikon Textile Gmbh & Co. Kg | Process for producing a meltblown nonwoven and a meltblown system |
| CN212316388U (en) * | 2020-02-13 | 2021-01-08 | 上海捷英途新材料科技有限公司 | Production device for melt-blown filter cloth |
| US11958308B1 (en) | 2023-05-31 | 2024-04-16 | G13 Innovation In Production Ltd | Thermal paper, and methods and systems for forming the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3978185A (en) * | 1968-12-23 | 1976-08-31 | Exxon Research And Engineering Company | Melt blowing process |
| US4375446A (en) * | 1978-05-01 | 1983-03-01 | Toa Nenryo Kogyo Kabushiki Kaisha | Process for the production of a nonwoven fabric |
| DE19913162C1 (en) * | 1999-03-24 | 2000-11-09 | Reifenhaeuser Masch | Thermoplastic polymer fiber fleece production apparatus comprises melt-blown fiber spinneret above machine with endless screen on which random fiber bundle is laid down as fleece by smoothing surfaces |
| CN101495208A (en) * | 2006-07-31 | 2009-07-29 | 3M创新有限公司 | Monocomponent monolayer meltblown web and meltblowing apparatus |
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| US3607588A (en) * | 1966-09-21 | 1971-09-21 | Celanese Corp | Nonwoven fibrous products and methods and apparatus for producing such products |
| JPS5668152A (en) | 1979-11-01 | 1981-06-08 | Toa Nenryo Kogyo Kk | Nonwoven fabric |
| US6517648B1 (en) * | 2001-11-02 | 2003-02-11 | Appleton Papers Inc. | Process for preparing a non-woven fibrous web |
| US7476632B2 (en) | 2002-11-15 | 2009-01-13 | 3M Innovative Properties Company | Fibrous nonwoven web |
| DE10311439A1 (en) | 2003-03-15 | 2004-09-23 | Saurer Gmbh & Co. Kg | Assembly to spin and lay bands of melt spun filaments, for the production of nonwovens, has a filament take-off and spaced guide rollers with continuous belt extensions, to gather the filaments on a sieve laying surface |
| FR2862986B1 (en) | 2003-11-27 | 2006-05-12 | Rieter Perfojet | NON-WOVEN PRODUCTION MACHINE, ITS ADJUSTMENT AND NON-WOVEN PROCESS |
| CN101636529B (en) | 2007-01-19 | 2011-05-11 | 欧瑞康纺织有限及两合公司 | Apparatus and method for depositing synthetic fibers to form a non-woven web |
| EP2231913B1 (en) * | 2007-12-19 | 2013-01-23 | Tepha, Inc. | Medical devices containing melt-blown non-wovens of poly-r-hydroxybutyrate and copolymers |
| US20100266824A1 (en) * | 2009-04-21 | 2010-10-21 | Alistair Duncan Westwood | Elastic Meltblown Laminate Constructions and Methods for Making Same |
| KR20110086562A (en) * | 2008-11-13 | 2011-07-28 | 엘리콘 텍스타일 게엠베하 운트 코. 카게 | Apparatus for producing a spunbonded fabric |
-
2013
- 2013-04-15 WO PCT/EP2013/057777 patent/WO2013160134A1/en active Application Filing
- 2013-04-15 CN CN201380021780.1A patent/CN104246045B/en active Active
- 2013-04-15 EP EP13718534.4A patent/EP2841634B1/en not_active Revoked
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3978185A (en) * | 1968-12-23 | 1976-08-31 | Exxon Research And Engineering Company | Melt blowing process |
| US4375446A (en) * | 1978-05-01 | 1983-03-01 | Toa Nenryo Kogyo Kabushiki Kaisha | Process for the production of a nonwoven fabric |
| DE19913162C1 (en) * | 1999-03-24 | 2000-11-09 | Reifenhaeuser Masch | Thermoplastic polymer fiber fleece production apparatus comprises melt-blown fiber spinneret above machine with endless screen on which random fiber bundle is laid down as fleece by smoothing surfaces |
| CN101495208A (en) * | 2006-07-31 | 2009-07-29 | 3M创新有限公司 | Monocomponent monolayer meltblown web and meltblowing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013160134A1 (en) | 2013-10-31 |
| EP2841634A1 (en) | 2015-03-04 |
| CN104246045A (en) | 2014-12-24 |
| EP2841634B1 (en) | 2018-06-06 |
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