CN105862252A - Fiber pad and preparation process thereof - Google Patents
Fiber pad and preparation process thereof Download PDFInfo
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- CN105862252A CN105862252A CN201610404301.XA CN201610404301A CN105862252A CN 105862252 A CN105862252 A CN 105862252A CN 201610404301 A CN201610404301 A CN 201610404301A CN 105862252 A CN105862252 A CN 105862252A
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- fiber
- web layer
- fiber web
- layer
- fibrous nodules
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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
- D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- 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
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
-
- 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
- D04H1/72—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 the fibres being randomly arranged
Abstract
The invention discloses a fiber pad and a preparation process thereof. The preparation process includes steps: paving and pressing mixed fiber and/or a plurality of fiber balls/fiber ball layers to form a first fiber net layer; enabling the fiber balls/fiber ball layers to naturally fall down to form a second fiber net layer; stacking the first fiber net layer and the second fiber net layer along the vertical direction to form a pre-arranged fiber pad with the first fiber net layers on both the top layer and the bottom layer; connecting and fixing each two adjacent fiber net layers. The fiber pad is prepared by adopting the preparation process. Another fiber pad comprises at least two first fiber net layers and at least one second fiber net layer, elasticity of the second fiber net layers is greater than that of the first fiber net layers or elasticity of the second fiber net layer is less than that of the first fiber net layers, the second fiber net layers serve as elastic layers, the first fiber net layers serve as stress bearing layers, and each second fiber net layer comprises a netty structure formed by connecting and fixing each two adjacent fiber balls, so that the fiber pad meets requirements on needed hardness and is high in resilience.
Description
Technical field
The present invention relates to medicated cushion technical field, be specifically related to preparation technology and the fiber mat of a kind of fiber mat.
Background technology
The preparation technology of fiber mat in prior art, the most first carries out shredding process by fiber, then with spreading
Net machine carries out lapping to the fiber after shredding, forms network structure from level to level, then with glue by multilamellar
Fleece bond together, thus form fiber mat, but, by glue, multi-layered web is glued
Being connected together, use after a period of time, the adhesive property of glue can reduce, cause multi-layered web it
Between cementability bad.
Chinese patent literature CN103061041A discloses the preparation technology of a kind of fiber mat, including as follows
Step: first various fibers are carried out respectively combing and remixes；With lapping machine, composite fibre is laid to institute
Need the net of thickness；The net acupuncture completed is become the fiber mat of reservation shape；From top to bottom or from lower past
On to fiber mat blowing hot-air so that the fusing of low-melting fiber in net, as bonding agent by unfused
High-melting fibre is bonding；Blow a cold wind over the most from the bottom up or from top to bottom to fiber mat, allow fusing after low
Melting-point fibers cooling and shaping.
The preparation technology of above-mentioned fiber mat, the fiber of two kinds of different melting points of employing is as raw material, and passes through
The mode that first blowing hot-air is blown a cold wind over again on fiber mat so that the fiber in fiber mat bonds together,
Replace glue to carry out bondable fibers pad, improve the cementability of fiber mat.
But, fiber mat in actual use, it is desirable to the top layer of fiber mat and the bullet of bottom
Property little but support force big, as the main support face of external forces, elastic height that fiber mat is internal but
Support force is little, as the main source that fiber mat is elastic, to meet people's need to highly elastic fiber pad
Ask., in the preparation technology of above-mentioned fiber mat, multi-layered web all uses lapping machine to lay and forms,
Make the top layer of fiber mat, bottom consistent with the consistency and elasticity of inside, when meeting fiber mat hardness
But its elasticity is little, when meeting fiber mat elastic but hardness is little, it is difficult to meet people fine to high resiliency
The demand of dimension pad.
Summary of the invention
Therefore, the technical problem to be solved is to overcome the preparation of fiber mat in prior art
When the fiber mat hardness that technique is prepared reaches requirement but its elastic little defect.
To this end, the present invention provides the preparation technology of a kind of fiber mat, comprise the steps:
Composite fibre and/or several fibrous nodules/fiber layers of balls paving swaging are become the first fiber web layer；
Naturally fall to forming the second fiber web layer by several described fibrous nodules/fiber layers of balls；
Vertically by the first fiber web layer described at least one of which and the second fleece described at least one of which
Stacking adds setting, and formation top layer and bottom are the default fiber mat of the first fiber web layer；
Connect fixing for fiber web layer described in adjacent two layers, form fiber mat；
Described fibrous nodules and described fiber layers of balls are formed by described composite fibre, described composite fibre bag
Including Plant fiber and bicomponent fibers, described bicomponent fibers includes high-melting fibre and low-melting fiber.
The preparation technology of above-mentioned fiber mat, becomes composite fibre and/or several fibrous nodules are spread swaging
Before the step of the first fiber web layer, also include
Described composite fibre carries out balling-up at least one times process, forms several described fibrous nodules,
The diameter of several described fibrous nodules is not quite similar.
The preparation technology of above-mentioned fiber mat, is spreading pressure by composite fibre and/or several described fibrous nodules
Before forming the step of the first fiber web layer, also include
Fibrous nodules several described is vibrated, and/or in fibrous nodules several described, is blown into wind,
Several described fibrous nodules are made to be uniformly distributed.
The preparation technology of above-mentioned fiber mat, described fiber layers of balls be by puncture process formed fluffy
Fiber layers of balls.
The preparation technology of above-mentioned fiber mat, vertically by the first fleece described at least one of which
Layer superposes setting with the second fiber web layer described at least one of which, forms top layer and bottom is the first fiber
In the step of the default fiber mat of stratum reticulare, top layer and the bottom of described default fiber mat are respectively provided with at least two
The most described first fiber web layer of layer.
The preparation technology of above-mentioned fiber mat, several described fibrous nodules/fiber layers of balls fall to being formed naturally
In the step of the second fiber web layer,
Several described fibrous nodules/described fiber layers of balls falls naturally on described first fiber web layer,
Described second fiber web layer is formed on described first fiber web layer.
The preparation technology of above-mentioned fiber mat, is being carried out at balling-up at least one times described composite fibre
Reason, forms several fibrous nodules, before the step that the diameter of several described fibrous nodules is not quite similar,
Also include described composite fibre carries out the step that shredding at least one times processes.
The preparation technology of above-mentioned fiber mat, is connecting fixing for fiber web layer described in adjacent two layers, shape
Become in the step of fiber mat,
Use and described default fiber mat is first heated the mode cooled down afterwards, make the institute in described composite fibre
State low-melting fiber melt and shape, fiber web layer described in adjacent two layers is connected fixing.
The preparation technology of above-mentioned fiber mat, uses the type of cooling after first heating described default fiber mat,
The described low-melting fiber in described composite fibre is made to melt and shape, by fleece described in adjacent two layers
Layer connects in fixing step,
Along the short transverse of described default fiber mat, first in described default fiber mat, it is passed through hot blast, directly
Described low-melting fiber in described first fiber web layer of each layer and the second fiber web layer is molten into
Only；
Again along the direction in opposite direction with being passed through described hot blast, in described default fiber mat, it is passed through cold wind,
Until the low-melting fiber solidification after fusing in described first fiber web layer of each layer and the second fiber web layer
Till.
The preparation technology of above-mentioned fiber mat, is being carried out at balling-up at least one times described composite fibre
Reason, forms several fibrous nodules, before the step that the diameter of several described fibrous nodules is not quite similar,
Also include breaing up described Plant fiber with bicomponent fibers mixing, form described composite fibre；
The content of described Plant fiber is 50wt%～95wt%, the content of bicomponent fibers be 5wt%～
50wt%.
The present invention provides a kind of fiber mat, it is characterised in that use the described fiber mat of any of the above-described item
Preparation technology is prepared from.
The another kind of fiber mat that the present invention provides, including
At least two-layer the first fiber web layer, respectively as top layer and the bottom of fiber mat, and as stress
Bearing bed；
At least one of which the second fiber web layer, vertically goes up, and alternately sets with described first fiber web layer
Put and fix connection, as elastic layer；
The elasticity of described second fiber web layer is more than the elasticity of described first fiber web layer；
Described second fiber web layer includes several fibrous nodules, two described fibrous nodules of arbitrary neighborhood it
Between fixing connect, to form network structure.
The another kind of fiber mat that the present invention provides, including
At least two-layer the first fiber web layer, respectively as top layer and the bottom of fiber mat, and as stress
Bearing bed；
At least one of which the second fiber web layer, vertically goes up, and alternately sets with described first fiber web layer
Put and fix connection, as elastic layer；
The hardness of described second fiber web layer is less than the hardness of described first fiber web layer；
Described second fiber web layer includes several fibrous nodules, two described fibrous nodules of arbitrary neighborhood it
Between fixing connect, to form network structure.
Above-mentioned fiber mat, described fibrous nodules is formed by composite fibre, and described composite fibre includes plant
Fiber and bicomponent fibers, described bicomponent fibers includes high-melting fibre and low-melting fiber, arbitrarily
Connect by described low-melting fiber is fixing between adjacent two described fibrous nodules.
The technical scheme that the present invention provides, has the advantage that
1. the preparation technology of the fiber mat that the present invention provides, by composite fibre and/or several fibrous nodules/fibres
Dimension layers of balls paving swaging becomes the first fiber web layer；By several fibrous nodules/fiber layers of balls nature whereabouts formation
Two fiber web layers；Vertically by least one of which the first fiber web layer and at least one of which the second fleece
Stacking adds setting, and formation top layer and bottom are the default fiber mat of the first fiber web layer；By adjacent two
The described fiber web layer of layer connects fixing, and wherein, fibrous nodules and fiber layers of balls are by above-mentioned composite fibre shape
Become, composite fibre includes Plant fiber and bicomponent fibers, bicomponent fibers include high-melting fibre and
Low-melting fiber.
The preparation technology of this fiber mat, the first fiber web layer uses paving pressure mode to be formed so that first is fine
The pore diameter within fibrous nodules in dimension stratum reticulare reduces, and the space between adjacent two fibrous nodules reduces,
Form closely knit fiber web layer；Second fiber web layer uses nature whereabouts mode to be formed so that second is fine
Fibrous nodules in dimension stratum reticulare is in initial fluffy state, the pore size within fibrous nodules and adjacent fibre
Space between dimension ball is the most constant, thus forms the fibrous layer of fluffy state, afterwards by two layer web
Layer is stacked alternately and arranges the default fiber mat of formation, after the fixing connection of adjacent two layers fleece, closely knit
There are several impetus, as the stress bearing bed of fiber mat, outside carrying inside first fiber web layer
Bound pair its pressure and support the second fiber web layer；Second fiber web layer of fluffy state is then as fine
The elastic layer of dimension pad, the resilience of increased fiber pad, so that the fiber mat prepared is meeting
While needing hardness, resilience is high.
2. the preparation technology of the fiber mat that the present invention provides, by composite fibre and/or several described fibres
Before dimension ball paving swaging becomes the step of the first fiber web layer, also include several fibrous nodules are vibrated,
And/or it is blown into wind in several fibrous nodules, make several equally distributed steps of described fibrous nodules, all
The fibrous nodules of even distribution forms the second fiber web layer in uniform thickness by natural whereabouts mode, by paving
Pressure mode forms the first fiber web layer in uniform thickness so that the fiber mat thickness prepared is uniform, and
The resilience of the various location being positioned at fiber mat is consistent.
3. the preparation technology of fiber mat that the present invention provides, uses first to heat default fiber mat and cools down afterwards
Mode, makes the low-melting fiber in composite fibre melt and shape, and is connected by adjacent two layers fiber web layer
Fixing to there are in the first fiber web layer several impetus, have some in the second fiber web layer
The hole that individual diameter is bigger, increases the bearing capacity of the first fiber web layer, and the second fleece further
The resilience of layer, it is provided that the hardness of fiber mat resilience simultaneously is higher.
4. a kind of fiber mat that the present invention provides, uses the preparation technology of above-mentioned offer to be prepared from so that
While this fiber mat has required hardness, resilience is high.
5. the another kind of fiber mat that the present invention provides, including at least two-layer the first fiber web layer and at least one of which
Second fiber web layer, the elasticity of the second fiber web layer is more than the elasticity of the first fiber web layer；Or second
The hardness of fiber web layer is less than the hardness of the first fiber web layer, carrying as stress of the first fiber web layer
Layer, the second fiber web layer is as elastic layer；First fiber web layer and the second fiber web layer are vertically
In being arranged alternately and fixing connection, the second fiber web layer includes several fibrous nodules, arbitrary neighborhood two
Between individual fibrous nodules, fixing connection, forms network structure so that have more in the second fiber web layer
Hole, the resilience of increased fiber pad, so that whole fiber mat meets resilience while hardness
Property high.
Need explanation: the high-melting fibre related in the application and low-melting fiber, high-melting fibre is
Fusing point is the fiber of 220 DEG C-280 DEG C, low-melting fiber be fusing point be the fiber of 90 DEG C-150 DEG C, simultaneously
Meeting when ambient temperature reaches the temperature of low-melting fiber fusing, high-melting fibre and Plant fiber are equal
Non-fusible.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, under
The accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described by face,
It should be evident that the accompanying drawing in describing below is some embodiments of the present invention, general for this area
From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Obtain other accompanying drawing.
The preparation technology schematic flow sheet of the fiber mat that Fig. 1 is provided by the embodiment of the present invention 1；
The structural representation of the fiber mat that Fig. 2 is provided by the embodiment of the present invention 4；
Accompanying drawing illustrates: 1-the first fiber web layer；2-the second fiber web layer；3-fibrous nodules.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that
Described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on this
Embodiment in bright, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly fall into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, " left ",
The orientation of the instruction such as " right ", " vertically ", " level ", " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be for only for ease of the description present invention and simplify description rather than instruction
Hint indication device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " only use
In describing purpose, and it is not intended that indicate or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, art
Language " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to
It is to removably connect, or is integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Permissible
It is to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.
For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
As long as additionally, technical characteristic involved in invention described below difference embodiment that
The conflict of not constituting between this just can be combined with each other.
Embodiment 1
The present embodiment provides the preparation technology of a kind of fiber mat, as it is shown in figure 1, comprise the steps:
Several fibrous nodules 3 are spread swaging and becomes the first fiber web layer 1；
Naturally fall to forming the second fiber web layer 2 by several fibrous nodules 3；
Vertically at least one of which the first fiber web layer 1 is folded with at least one of which the second fiber web layer 2
Adding setting, formation top layer and bottom are the default fiber mat of the first fiber web layer 1；
Connect fixing for adjacent two layers fiber web layer, form fiber mat；
Fibrous nodules 3 uses above-mentioned composite fibre to be formed, and composite fibre includes Plant fiber and double-component
Fiber, bicomponent fibers includes high-melting fibre and low-melting fiber.
The preparation technology of this fiber mat, the first fiber web layer 1 uses paving pressure mode to be formed so that first
The pore diameter within fibrous nodules 3 in fiber web layer 1 reduces, between adjacent two fibrous nodules 3
Space reduces, and forms closely knit fiber web layer；Second fiber web layer 2 uses under the nature of fibrous nodules 3
The mode that falls is formed so that fibrous nodules 3 is in initial fluffy state, and the hole within fibrous nodules 3 is big
Space between little and adjacent fiber ball 3 is the most constant, thus forms the fibrous layer of fluffy state, then will
First fiber web layer 1 and the second fiber web layer 2 are stacked alternately and arrange the default fiber mat of formation, treat adjacent
After two layer web connection is fixing, the first closely knit fiber web layer 1 is internal has several impetus,
As the stress bearing bed of fiber mat, carry outer bound pair its pressure and support the second fiber web layer 2；And
Second fiber web layer 2 of fluffy state then as the elastic layer of fiber mat, the resilience of increased fiber pad,
So that the fiber mat prepared resilience while meeting required hardness is high.
As deformation, the first fiber web layer 1 can also be without using several fibrous nodules 3 to spread pressure and forms,
But directly use composite fibre paving pressure to form, or use the mixture of fibrous nodules 3 and composite fibre
Paving pressure forms.The equipment that paving pressure is used preferably employs lapping machine, or of the prior art other set
Standby, only fiber need to be formed closely knit stratiform.
Prepare in fiber mat technique it should be noted that above-mentioned, " several fibrous nodules 3 are spread swaging
First fiber web layer 1 " step, with " by several fibrous nodules 3 naturally fall formed the second fiber web layer
The order of step 2 " can be exchanged, dividing without sequencing, or two steps can be carried out simultaneously；
It addition, further below for " several fibrous nodules 3 are spread swaging and becomes the first fiber web layer 1 " step
Limit, be equally applicable to " naturally falling to form the second fiber web layer 2 by several fibrous nodules 3 to " step.
As preferred embodiment, spread swaging in several fibrous nodules 3 and become the first fiber web layer 1
Before step, also include that the balling-up carried out composite fibre at least one times processes, and forms several above-mentioned
Fibrous nodules 3, the diameter of several fibrous nodules 3 is not quite similar.The diameter phase of such as few fibers ball 3
With, the diameter of few fibers ball 3 is big, and the diameter of few fibers ball 3 is little, the fibrous nodules 3 that diameter is little
It is filled between the big fibrous nodules of adjacent diameter 3 in the space formed, bigger space is become some
Individual little space, prevents the space between adjacent fiber ball 3 excessive, and fiber mat is difficult to recover after being pressed
To original state before, thus the resilience force of further increased fiber pad.
As deformation, the diameter of fibrous nodules 3 can be the most identical, or all differs, its diameter
Size need to be according to the hardness needed for fiber mat and resilience etc. because usually determining.
Further, the number of times that balling-up processes need to be according to the size of fibrous nodules 3 required diameter and porosity
Depending on, concrete number of times does not make concrete restriction.
As further preferred embodiment, process composite fibre being carried out balling-up at least one times,
Form several fibrous nodules 3, before the step that the diameter of several fibrous nodules 3 is not quite similar, also include
Plant fiber is broken up with bicomponent fibers and mixes, form composite fibre.Use the mixing after breaing up fine
Dimension forms required fibrous nodules so that the increase of hole quantity fibrous nodules within, follow-up prepares second
The resilience of fiber web layer 2 is higher.
The content of the Plant fiber in composite fibre is 50wt%～95wt%, and the content of bicomponent fibers is
5wt%～50wt%.Such as, the content of Plant fiber is 60wt%, and the content of bicomponent fibers is 40
Wt%；The and for example content 65wt% of Plant fiber, the content of bicomponent fibers is 35wt%；Plant is fine
The content of dimension is 35wt%, and the content of bicomponent fibers is 65wt%；Or other ratios can.
It is further preferred that Plant fiber is can be as fiber in polyester fiber, or prior art
The Plant fiber of pad.
As preferred embodiment, become the first fiber web layer 1 several fibrous nodules 3 are spread swaging
Step before, also include several fibrous nodules 3 being vibrated and being blown into wind in fibrous nodules 3,
Making several equally distributed steps of fibrous nodules 3, equally distributed fibrous nodules 3 is by naturally falling
Mode forms the second fiber web layer 2 in uniform thickness, forms in uniform thickness first by paving pressure mode fine
Dimension stratum reticulare 1 so that the fiber mat thickness prepared is uniform, and it is positioned at the returning of various location of fiber mat
Elastic consistent.
As deformation, only several fibrous nodules 3 are carried out vibration processing, or only to several fibers
Ball 3 is blown into wind, fibrous nodules 3 is uniformly distributed.
As further preferred embodiment, vertically by least one of which the first fiber web layer 1
Superpose setting with at least one of which the second fiber web layer 2, form top layer and bottom is the first fiber web layer 1
Default fiber mat step in, preset the top layer of fiber mat and bottom be respectively provided with at least two-layer continuous the
One fiber web layer 1, carrys out the bearing capacity of increased fiber pad, it is ensured that the hardness of fiber mat.
The most preferably, if the first fiber web layer 1 is dried layer, if the second fiber web layer 2 is dried layer,
The first fiber web layer 1 is superposed with the second fiber web layer 2 arrange time, preset fiber mat inside can
Being that one or more layers first fiber web layer 1 is stacked alternately with one layer of second fiber web layer 2；Can also
It is that one or more layers first fleece is stacked alternately with multilamellar the second fiber web layer 2；Preset fiber mat
First fiber web layer 1 of top layer and bottom can be respectively one layer, two-layer, three layers or multilamellar etc.,
It addition, top layer and the number of plies of the first fiber web layer 1 of bottom can be identical or differ.
As preferred embodiment, several fibrous nodules 3 fall to forming the second fiber web layer 2 naturally
Step in, several fibrous nodules 3 fall naturally on the first fiber web layer 1, at the first fleece
The second fiber web layer 2 of desired thickness is formed, it is simple to the second fiber web layer 2 and the first fleece on layer 1
Layer 1 stack process.
As deformation, it is also possible to be initially formed the second fiber web layer 2 of desired thickness in a mold, then by shape
The second fiber web layer 2 become overlays on the first fiber web layer 1.
As further preferred embodiment, process composite fibre being carried out balling-up at least one times,
Form several fibrous nodules 3, before the step that the diameter of several fibrous nodules 3 is not quite similar, also include
Composite fibre carries out shredding at least one times process so that composite fibre is fluffy state, then uses
The composite fibre of fluffy state prepares fibrous nodules 3, increases the hole quantity of fibrous nodules 3 internal structure, makes
The resilience of the fiber mat obtaining follow-up preparation is bigger.
As preferred embodiment, connecting fixing for adjacent two layers fiber web layer, forming fiber mat
Step in, use default fiber mat is first heated the mode cooled down afterwards, make the eutectic in fibrous nodules 3
Point fiber fusion is also shaped, and is connected by adjacent two layers fiber web layer fixing.Employing low-melting fiber melts
After the solution high-melting fibre as bonding agent, between fibrous nodules 3 is internal, adjacent fiber ball 3
It is adhesively fixed with Plant fiber, so that whole fiber mat is network structure.
It is further preferred that use, default fiber mat is first heated the mode cooled down afterwards, make fiber
Low-melting fiber in ball 3 melts and in the step shaped,
Along the short transverse of default fiber mat, first in default fiber mat, it is passed through hot blast, until each layer
Till low-melting fiber fusing in first fiber web layer 1 and the second fiber web layer 2；Again along be passed through
The direction that hot blast is in opposite direction, is passed through cold wind in default fiber mat, until each layer the first fleece
Till low-melting fiber solidification after melting in layer 1 and the second fiber web layer 2.
This heats the type of cooling, uses hot blast through-transmission technique to be melted by the low-melting fiber in default fiber mat
Change, high-melting fibre and Plant fiber are non-fusible, the low-melting fiber after fusing as bonding agent by height
Melting-point fibers and Plant fiber are adhesively fixed；Use the most again cold wind through-transmission technique make fusing after low
Melting-point fibers solidify to form required fiber mat.
As deformation, it is also possible to first default fiber mat is put into baking oven and carries out heating until low melting point is fine
Dimension fusing, then the solidification of the low-melting fiber after making fusing of lowering the temperature；Or other heating of the prior art
The type of cooling.
As deformation, it is also possible to adopt and connect fixing for adjacent two layers fiber web layer, such as in other ways
It is separately provided bonding agent, the fleece of adjacent two layers is connected fixing by bonding agent, or connector
Adjacent two layers fiber web layer is connected fixing.
Embodiment 2
The present embodiment provides the preparation technology of a kind of fiber mat, and difference from Example 1 is only that:
Fiber layers of balls is used to replace the fibrous nodules 3 in embodiment 1 to prepare the first fiber web layer 1 and second fine
Dimension stratum reticulare 2.That is, the fibrous nodules 3 in embodiment 1 is initially formed fiber layers of balls, then by fiber layers of balls
Paving swaging becomes the first fiber web layer 1, and naturally falls to forming the second fiber web layer 2 by fiber layers of balls.
Fiber layers of balls in this preparation technology is layer structure in uniform thickness, it is simple to fiber layers of balls is natural
Fall and form the second fiber web layer 2 in uniform thickness, and lay formation the first fiber web layer in uniform thickness
1, also allow for controlling to form the first fiber web layer 1 and thickness of the second fiber web layer 2, by the second fiber
Stratum reticulare 2 and the first fiber web layer 1 stack operation, make the thickness of fiber mat ultimately formed uniform,
The resilience being in various location keeps consistent.
As deformation, when forming the first fiber web layer 1, fiber layers of balls and composite fibre can be spread
If forming the first fiber web layer 1, or only composite fibre is laid formation the first fiber web layer 1.
As preferred embodiment, above-mentioned fiber layers of balls be by puncture process formed fluffy
Fiber layers of balls, fluffy fibrous layer is when naturally falling to forming the second fiber web layer, it can be ensured that fiber
Fibrous nodules in layers of balls is in original fluffy state and initial pore size so that the second fleece
Layer has high resilience.
As it is further preferred that above-mentioned fluffy fiber layer be formed by following steps: to some
Individual fibrous nodules 3 carries out precompressed process and forms fiber layers of balls, then fiber layers of balls is carried out puncture process, shape
Become fluffy fiber layers of balls.Precompressed processes and makes scattered fluffy fibrous nodules 3 tie in stratiform in uniform thickness
Structure, but prevent precompressed from after processing, affecting fluffy state and the pore size of fibrous nodules 3, then to pre-swaging
The fiber layers of balls become carries out puncture process so that fibrous nodules 3 keeps fluffy state and initial hole big
Little, it is ensured that the high resilience of the second fiber web layer 2 of formation.
As deformation, when utilizing fiber layers of balls paving swaging to become the first fiber web layer 1, can directly use
Fiber layers of balls after precompressed, it is not necessary to process through puncture again.
Furthermore it is also possible to use the mode provided in embodiment 1 to prepare the first fiber web layer 1, and use
The mode provided in embodiment 2 prepares the second fiber web layer 2；Or use the mode implementing to provide in 1
Prepare the second fiber web layer 2, and use the mode provided in embodiment 2 to prepare the first fiber web layer 1.
The preparation process of light fibers pad for now as a example by the step of optimal preparation technology, specifically include with
Lower step:
Plant fiber is broken up with bicomponent fibers and mixes, form composite fibre；
Composite fibre carries out shredding at least one times process；
Composite fibre after shredding is carried out balling-up process, forms required diameter and the fibrous nodules of porosity
3；
Several fibrous nodules 3 are vibrated, in several fibrous nodules 3, are blown into wind simultaneously so that
Several fibrous nodules 3 are uniformly distributed；
Several fibrous nodules 3 are carried out precompressed process and forms fiber layers of balls, then fiber layers of balls is worn
Thorn processes, and forms fluffy fiber layers of balls.
A part of fluffy fiber layers of balls is laid and forms the first fiber web layer 1；The fibre that another part is fluffy
Dimension layers of balls falls naturally on the first fiber web layer 1 of formation, formation the on the first fiber web layer 1
Two fiber web layers 2；The most alternately stack the first fiber web layer 1 and the second fiber web layer 2, form top
Layer and bottom are the first fiber web layer 1 and thickness reaches the default fiber mat of necessary requirement；
Along the short transverse of default fiber mat, first in default fiber mat, it is passed through hot blast, until each layer
Till low-melting fiber fusing in first fiber web layer 1 and the second fiber web layer 2；Again along be passed through
The direction that hot blast is in opposite direction, is passed through cold wind in default fiber mat, until each layer the first fleece
In layer 1 and the second fiber web layer 2, the low-melting fiber after fusing solidifies, between adjacent two layers, and
Plant fiber and high-melting fibre in each layer of fiber web layer connect fixing, form whole network structure
Fiber mat.
Embodiment 3
The present embodiment provides a kind of fiber mat, and this fiber mat uses the preparation technology system that embodiment 1 provides
For forming.The preparation technology that the fiber mat of this structure provides owing to using embodiment 1 is prepared from, and makes
Obtain resilience while this fiber mat has required hardness high.
Embodiment 4
The present embodiment provides a kind of fiber mat, as in figure 2 it is shown, include
At least two-layer the first fiber web layer 1, respectively as top layer and the bottom of fiber mat, and as stress
Bearing bed；
At least one of which the second fiber web layer 2, vertically goes up, and is arranged alternately with the first fiber web layer 1
And fix connection, as elastic layer；
The elasticity of the second fiber web layer 2 is more than the elasticity stating the first fiber web layer 1；
Second fiber web layer 2 includes several fibrous nodules 3, solid between two fibrous nodules 3 of arbitrary neighborhood
Fixed connection, to form network structure.
In this fiber mat, the elasticity of the second fiber web layer 2 is more than the elasticity of the first fiber web layer 1, the
One fiber web layer 1 supports its pressure of the second fiber web layer 2 and outer bound pair as stress bearing bed,
Become the main source of fiber mat bearing capacity, and the network structure in the second fiber web layer 2 so that
In two fiber web layers 2, there is more hole, as the elastic layer of fiber mat, so that this fiber
Pad resilience while having required hardness is high.
Embodiment 5
The present embodiment provides a kind of fiber mat, including
At least two-layer the first fiber web layer 1, respectively as top layer and the bottom of fiber mat, and as stress
Bearing bed；
At least one of which the second fiber web layer 2, vertically goes up, and is arranged alternately with the first fiber web layer 1
And fix connection, as elastic layer；
The hardness of described second fiber web layer 2 is less than the hardness of described first fiber web layer 1；
Second fiber web layer 2 includes several fibrous nodules 3, solid between two fibrous nodules 3 of arbitrary neighborhood
Fixed connection, to form network structure.
As the preferred implementation that above-described embodiment 4 and embodiment 5 are common,
First fiber web layer 1 uses paving pressure mode to be formed, and the second fiber web layer 2 uses nature whereabouts side
Formula is formed；Or other modes of the prior art, only need to meet the elastic big of the second fiber web layer 2
In the elasticity of the first fiber web layer 1, and the fiber mat prepared has resilience while required hardness
High.
As the preferred implementation that above-described embodiment 4 and embodiment 5 are common, fiber mat forms net
The fibrous nodules 3 of shape structure is formed by composite fibre, and composite fibre includes Plant fiber and bicomponent fibers,
Bicomponent fibers includes high-melting fibre and low-melting fiber, logical between two fibrous nodules 3 of arbitrary neighborhood
Cross the fixing connection of low-melting fiber.
As deformation, other connector of the prior art, example between fibrous nodules 3, can also be used
As used bonded adhesives, or the connector of other structures, only adjacent two fibrous nodules 3 need to be connected solid
Fixed.
As preferred embodiment, the first fiber web layer 1 in above-mentioned fiber mat uses fibrous nodules 3
Formed, or above-mentioned composite fibre, or the formation of other fibers.
Obviously, above-described embodiment is only for clearly demonstrating example, and not to embodiment party
The restriction of formula.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also all of embodiment being given
With exhaustive.And the obvious change thus extended out or variation are still in the guarantor of the invention
Protect among scope.
Claims (14)
1. the preparation technology of a fiber mat, it is characterised in that comprise the steps:
Composite fibre and/or several fibrous nodules (3)/fiber layers of balls paving swaging are become the first fiber web layer
(1)；
Naturally fall to forming the second fiber web layer (2) by several described fibrous nodules (3)/fiber layers of balls；
Vertically that the first fiber web layer (1) described at least one of which is fine with described at least one of which second
Dimension stratum reticulare (2) superposition is arranged, and formation top layer and bottom are the default fibre of the first fiber web layer (1)
Dimension pad；
Connect fixing for adjacent two layers fiber web layer, form fiber mat；
Described fibrous nodules and described fiber layers of balls are formed by described composite fibre, described composite fibre bag
Including Plant fiber and bicomponent fibers, described bicomponent fibers includes high-melting fibre and low-melting fiber.
The preparation technology of fiber mat the most according to claim 1, it is characterised in that: by fine for mixing
Before dimension and/or several fibrous nodules (3) paving swaging become the step of the first fiber web layer (1), also wrap
Include
Described composite fibre carries out balling-up at least one times process, form several described fibrous nodules
(3), the diameter of several described fibrous nodules (3) is not quite similar.
The preparation technology of fiber mat the most according to claim 1 and 2, it is characterised in that: will mix
Before condensating fiber and/or several fibrous nodules (3) paving swaging become the step of the first fiber web layer (1),
Also include
Fibrous nodules several described (3) is vibrated, and/or to fibrous nodules several described (3)
In be blown into wind, make several described fibrous nodules (3) be uniformly distributed.
The preparation technology of fiber mat the most according to claim 1, it is characterised in that: described fibrous nodules
Layer is the fluffy fiber layers of balls formed by puncture process.
5. according to the preparation technology of the fiber mat according to any one of claim 1-4, it is characterised in that:
Vertically by the first fiber web layer (1) described at least one of which and the second fiber described at least one of which
Stratum reticulare (2) superposition is arranged, and formation top layer and bottom are the default fiber of the first fiber web layer (1)
In the step of pad, the top layer of described default fiber mat and bottom are respectively provided with at least two-layer the most described first
Fiber web layer (1).
6. according to the preparation technology of the fiber mat according to any one of claim 1-5, it is characterised in that:
Naturally fall to forming the step of the second fiber web layer (2) in fibrous nodules several described (3)/fiber layers of balls
In Zhou,
Several described fibrous nodules (3)/described fiber layers of balls falls naturally described first fiber web layer (1)
On, described first fiber web layer (1) described second fiber web layer (2) of upper formation.
7. according to the preparation technology of the fiber mat according to any one of claim 2-6, it is characterised in that:
Processing described composite fibre being carried out balling-up at least one times, forming several fibrous nodules (3),
Before the step that the diameter of several described fibrous nodules (3) is not quite similar, also include described mixing fibre
Dimension carries out the step that shredding at least one times processes.
8. according to the preparation technology of the fiber mat according to any one of claim 1-7, it is characterised in that:
Connecting fixing for adjacent two layers fiber web layer, formed in the step of fiber mat,
Use and described default fiber mat is first heated the mode cooled down afterwards, make the institute in described composite fibre
State low-melting fiber melt and shape, fiber web layer described in adjacent two layers is connected fixing.
The preparation technology of fiber mat the most according to claim 8, it is characterised in that: use described
Default fiber mat first heat after the type of cooling, make the described low-melting fiber in described composite fibre melt
And shape, connect fixing for fiber web layer described in adjacent two layers, formed in the step of fiber mat,
Along the short transverse of described default fiber mat, first in described default fiber mat, it is passed through hot blast, directly
Described low melting point in described first fiber web layer of each layer (1) and the second fiber web layer (2) is fine
Till dimension fusing；
Again along the direction in opposite direction with being passed through described hot blast, in described default fiber mat, it is passed through cold wind,
Until the eutectic after fusing in described first fiber web layer of each layer (1) and the second fiber web layer (2)
Till point is fiber solidifying.
10. according to the preparation technology of the fiber mat according to any one of claim 2-9, it is characterised in that:
Processing described composite fibre being carried out balling-up at least one times, forming several described fibrous nodules
(3)；Before the step that the diameter of several described fibrous nodules (3) is not quite similar, also include described
Plant fiber breaks up with bicomponent fibers and mixes, and forms described composite fibre；
The content of described Plant fiber is 50wt%～95wt%, the content of bicomponent fibers be 5wt%～
50wt%.
11. 1 kinds of fiber mats, it is characterised in that use fiber according to any one of claim 1-10
The preparation technology of pad is prepared from.
12. 1 kinds of fiber mats, it is characterised in that include
At least two-layer the first fiber web layer (1), respectively as top layer and the bottom of fiber mat, and conduct
Stress bearing bed；
At least one of which the second fiber web layer (2), vertically goes up, with described first fiber web layer (1)
It is arranged alternately and fixes connection, as elastic layer；
The elasticity of described second fiber web layer (2) is more than the elasticity of described first fiber web layer (1)；
Described second fiber web layer (2) includes several fibrous nodules (3), described in arbitrary neighborhood two
Fixing connection between fibrous nodules (3), to form network structure.
13. 1 kinds of fiber mats, it is characterised in that include
At least two-layer the first fiber web layer (1), respectively as top layer and the bottom of fiber mat, and conduct
Stress bearing bed；
At least one of which the second fiber web layer (2), vertically goes up, with described first fiber web layer (1)
It is arranged alternately and fixes connection, as elastic layer；
The hardness of described second fiber web layer (2) is less than the hardness of described first fiber web layer (1)；
Described second fiber web layer (2) includes several fibrous nodules (3), described in arbitrary neighborhood two
Fixing connection between fibrous nodules (3), to form network structure.
14. according to the fiber mat described in claim 12 or 13, it is characterised in that: described fibrous nodules (3)
Being formed by composite fibre, described composite fibre includes Plant fiber and bicomponent fibers, described double-component
Fiber includes high-melting fibre and low-melting fiber, logical between two described fibrous nodules (3) of arbitrary neighborhood
Cross the fixing connection of described low-melting fiber.
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| CN201610404301.XA CN105862252B (en) | 2016-06-08 | 2016-06-08 | A kind of preparation process and fiber mat of fiber mat |
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| CN106835493A (en) * | 2017-03-01 | 2017-06-13 | 杭州缔星纤维科技有限公司 | A kind of multifilament layer composite and preparation method thereof and application |
| CN106894156A (en) * | 2017-03-01 | 2017-06-27 | 杭州缔星纤维科技有限公司 | Bedding filled with multifilament layer composite and preparation method thereof |
| CN106906571A (en) * | 2017-03-01 | 2017-06-30 | 杭州缔星纤维科技有限公司 | The compound air-permeable elastic structure of multifilament layer and its application |
| CN109023721A (en) * | 2018-10-23 | 2018-12-18 | 昆山吉美川纤维科技有限公司 | A kind of preparation method and fiber mat of density gradient fiber mat |
| CN109987314A (en) * | 2017-12-30 | 2019-07-09 | 江苏醉开心酒业有限公司 | A kind of high-elastic, packaging cushion of resistance to pulling force |
| CN109987315A (en) * | 2017-12-30 | 2019-07-09 | 江苏醉开心酒业有限公司 | A kind of packaging cushion and packing box |
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| CN105862252B (en) | 2019-02-05 |
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