CN103088548A - Fiber cotton cushion and preparation process thereof - Google Patents
Fiber cotton cushion and preparation process thereof Download PDFInfo
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- CN103088548A CN103088548A CN2013100457578A CN201310045757A CN103088548A CN 103088548 A CN103088548 A CN 103088548A CN 2013100457578 A CN2013100457578 A CN 2013100457578A CN 201310045757 A CN201310045757 A CN 201310045757A CN 103088548 A CN103088548 A CN 103088548A
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Abstract
The invention discloses a fiber cotton cushion and preparation process thereof and particularly relates to preparation process for preparing a fiber cotton cushion and the fiber cotton cushion manufactured according to the preparation process, wherein main raw materials are formed by blending heat treatment of low melting point fibers and other fibers. A cellucotton block manufactured according to hot melt cotton preparation process is slit into a plurality of cellucotton sub-blocks, the cellucotton sub-blocks are placed and attached side by side, or cellucotton blocks or a cellucotton block are or is laid on the upper face and the lower face or one of the faces after the process of attaching, then attaching forming is carried out through a heat bonding device, and the fiber cotton cushion is manufactured. According to the fiber cotton cushion and the preparation process thereof, the synthetic cellucotton block manufactured by heat bonding forming and slitting is slit and recombined, the fiber cotton cushion can be adjusted and controlled according to needs, in addition, density, fiber upright degree and surface evenness can be adjusted and controlled according to needs, then hot melting forming process is carried out, and quality of the fiber cotton cushion can be greatly improved.
Description
Affiliated technical field
The present invention relates to a kind of fiber cotton pad and preparation technology thereof, specifically, the present invention relates to a kind ofly by adopting low-melting fiber (meldable fibre) and other fiber heats of mixing to be treated to the preparation technology that main raw material prepares the fiber cotton pad, the invention still further relates to the fiber cotton pad of using this technique to produce.
Background technology
Adopt the cellucotton product of chemical synthetic fiber production to be widely used in the fields such as the household articless such as mattress, sofa, seat cushions and sound-absorbing insulation material for building, the industrial filter material insulation material of air of industry location pre-filtering.We know, gum sprayed cotton technique or hot melting wool technique are mainly adopted in cellucotton production, and these two kinds of techniques are had nothing in common with each other.
What gum sprayed cotton adopted is that general fibre uses glue or top layer lapping to make surface texture bonding, as with polyester
PET) fiber is the gum sprayed cotton technological process of production of raw material, usually to send into cotton feeder after bale opener, opener, shredding, be carded to thin shape stratiform through carding machine again, be that fiber is Two dimensional Distribution, and then polyester (PET) fibrage that will be the thin shape stratiform of Two dimensional Distribution is folded into required thickness with forming machine, spray adhesive, make layer upon layer of Fiber Phase combination, oven dry forms.Because the fiber of gum sprayed cotton mainly is Two dimensional Distribution, so its brute force is poor, elasticity and ABRASION RESISTANCE is relatively poor and easy aliquation.
And the fibrocortex of hot melting wool technology utilization low melting point composite short fiber has the watery fusion performance, melting under the low temperature of 10 ~ 180 degree (portioned product 100 or 120 ℃ of degrees centigrade of dry heat conditions under be the fiber of melting adhesion, and the fusing point of ordinary polyester staple fibre is more than 255 degree), the peripheral part of fusing is as glue, bonding with other fibers, have the function of adhesive.Adopt two or more through the fiber of special processing, use the method for Physical Processing, a kind of low-melting fiber and other fiber are evenly mixed, after heating, make Stability Analysis of Structures.Comparatively speaking in warmth retention property, bulking intensity, flexibility, mildew and insect proof moth function hot melting wool is stronger than gum sprayed cotton, the hot melting wool Stability Analysis of Structures, and the aspects such as anti-pull, gas permeability, ABRASION RESISTANCE, hot melting wool is also strong than gum sprayed cotton.
These production technologies all adopt a layer laying to close, though can prepare thicker cellucotton mat product, significantly minute city and fiber tile horizontally cause the product poor flexibility.
Even adopt advanced air-laid process, on 04 15th, 2008 applying date name of aobvious violent wind as yellow in: patentee is called " a kind of airflow air laid fiber cotton preparing process and the cellucotton of making " (application (patent) number: 200810027380.2, open (bulletin) number: CN101307529, open (bulletin) day: 2008.11.19) patented technology.This disclosure of the invention the preparation technology of airflow air laid fiber cotton and the cellucotton of manufacturing thereof.Be mixed with raw material with low-melting fiber and other fibers, cut packing through sawing sheet, thick shredding, smart shredding, air lay, heat bonding typing successively, make required cellucotton, described air lay be by air-flow to through fully mix after smart shredding fluffy fiber be evenly distributed in hopper further mixed after, pressurized air-flow is transported to into lace curtaining and becomes and forms required network structure between net drum.This preparation technology's selection range is wide, not only be suitable for the raw material of all existing process using, can also select raw material that prior art can't use as the string that the natures such as cogongrass, reed, wheat straw, straw bagasse extensively exist, and wood wool, broken sponge, the regeneration of wool spinning particle the like waste money, productivity ratio is high simultaneously, energy consumption is low, and the cellucotton performance of producing has very large change can be applied in as required wider field.This technique is because fiber needs " pressurized air-flow is transported to into lace curtaining and becomes and forms required network structure between net drum ", therefore the cellucotton thickness of preparation is generally less than 7 centimetres, just needs stack multi-layer fiber is cotton to prepare thicker cellucotton mat product, also can cause the problem of layering.
Also have a kind of by the standby cellucotton of upright cotton mechanism, though can the fiber longitudinal arrangement, have good elasticity, these goods are fluffy, density is little and surperficially be the corrugated out-of-flatness, can not prepare thicker thickness cellucotton mat product.
And practical application is at cellucotton mat products such as the household articless such as mattress, sofa, seat cushions and sound-absorbing insulation material for building, the industrial filter material insulation materials of air of industry location pre-filtering, not only require connection or bonding between cellucotton generally to need comparatively firmly difficult drop-off, and usually requiring thicker and good springiness, existing above-mentioned technique can't reach promising result.
Summary of the invention
The present invention is directed to existing fiber prepare in fiber cotton pad technique easy aliquation separate come off, thickness is limited, elasticity is not good etc. defective, the large thickness fiber of the controlled especially one of a kind of thickness cotton pad is provided, can also improves that elasticity, Density Distribution are controlled, fiber cotton pad and the preparation technology thereof of surfacing, the not easily separated product quality such as come off.
A kind of fiber cotton pad of the present invention and preparation process amelioration part principle thereof are: by the cotton piece of blended fiber that the typing of heat bonding minute is cut into, cut and reconfigure, the fiber cotton pad can be carried out thickness regulation and control as required, can regulate and control as required on the other hand density, fiber upright degree, surface smoothness and carry out the hot melt setting process again and significantly improve fiber cotton pad product quality.
The present invention is achieved in that a kind of preparation technology of fiber cotton pad, adopt 5% to 85% low-melting fiber and other fibers 95% to be mixed with raw material to 15% take the gross weight of fibrous raw material as benchmark, this preparation raw material is passed through successively: weighing and burden, thick shredding, smart shredding, become net, heat bonding typing minute to cut into cellucotton piece 1, described cellucotton piece 1 passes through following steps again: (A) cellucotton piece 1 is cut into that some cellucotton sub-blocks are recalled, 1b, 1c; (B) above-mentioned cellucotton sub-block 1a, 1b, 1c are discharged applying side by side, then fit through heat bonding equipment and finalize the design.
In described step (A), when cellucotton piece 1 is cut along fibre length direction transverse cuts.
The cellucotton sub-block north of discharging applying, 1b, 1c are take upright fibres as main side by side.
Described some cellucotton sub-block 1a, 1b, 1c are wide.
In described step (B), after cellucotton sub-block 1a, 1b, 1c are discharged applying side by side, upper and lower surface or face tiling cellucotton piece 1 wherein, then enter the typing of fitting of heat bonding equipment.
Lay low-melting fiber between cellucotton sub-block 1a, primary, the 1c of the cellucotton piece 1 of described tiling and discharging applying side by side.
Spray viscose glue between the cellucotton sub-block 1a of the cellucotton piece 1 of described tiling and discharging applying side by side, 1b, 1c.
Described other fibers are one or more strings mixed in the brown shredded coconut meat that dehydrating and removing impurities is processed, cogongrass, reed, wheat straw, straw, hemp, jute, flax, Banana tree, cornstalk, bagasse.
Described other fibers be through dehydrating and removing impurities process wood wool, broken sponge, wool spinning particle in one or more are mixed.
A kind of fiber cotton pad is according to the fiber cotton pad of above-mentioned technique manufacturing.
A kind of fiber cotton pad preparation technology of the present invention and the cellucotton of making are lined with following beneficial effect:
1. the blended fiber cotton piece of the present invention by the typing of heat bonding minute is cut into cut and reconfigured, and the fiber cotton pad can be carried out the not stratified large thickness fiber cotton pad of one that thickness regulation and control, especially prior art can't be accomplished as required;
2. along fibre length direction transverse cuts, the cellucotton sub-block of discharging applying take upright fibres as main, obviously improves fiber cotton pad elasticity side by side when the cellucotton piece is cut in the present invention;
3. the present invention such as widely cut some blocks of cellucottons, after the cellucotton sub-block is discharged applying side by side, upper and lower surface or the one side cellucotton piece that tiles wherein, then enter the typing of fitting of heat bonding equipment, surfacing can also regulate and control density as required;
4. the present invention as laying low-melting fiber or spraying viscose glue at the cellucotton piece of tiling and between the cellucotton sub-block that discharging is fitted side by side, can regulate and control density as required, reduces layering and comes off;
5. the present invention is as adopting mixing of one or more strings in brown shredded coconut meat that dehydrating and removing impurities is processed, cogongrass, reed, wheat straw, straw, hemp, jute, industry fiber crops, Banana tree, cornstalk, bagasse, or through dehydrating and removing impurities process wood wool, broken sponge, wool spinning particle in one or more are mixed, not only save ample resources, the raw material range of choice is wide, effectively utilize cheap renewable environmental protection raw material, also can effectively reduce costs.
Description of drawings
Below in conjunction with accompanying drawing, a kind of fiber cotton pad of the present invention and preparation technology embodiment thereof are elaborated.Described embodiment is that the mode take the indefiniteness example provides: Fig. 1 is as using the cellucotton schematic diagram of cutting in a kind of fiber cotton pad of the present invention preparation technology;
Fig. 2 is for using a kind of cellucotton mat structure of the present invention schematic diagram.
Marginal data: 1----cellucotton piece; 1a, 1b, 1c-------cellucotton sub-block;
L------fibre length direction; H----cellucotton piece is cut direction.
The specific embodiment
Before introducing the present invention, at first we should understand cellucotton hot melting wool process production techniques, the fibrocortex of this technology utilization low melting point composite short fiber has the watery fusion performance, melting under the low temperature of 110 ~ 180 degree (portioned product 100 or 120 ℃ of degrees centigrade of dry heat conditions under be the fiber of melting adhesion, and the fusing point of ordinary polyester staple fibre is more than 255 degree), the peripheral part of fusing is as glue, and is bonding with other fibers, has the function of adhesive.The low-melting fiber kind has many kinds, comprises the random copolymerization modified poly ester of low-melting fiber that LMF (4080 low-melting fiber), low melting point polyolefin hot adhesion fiber, polyester composite spinning produce, low-melting point polyester, polypropylene, polyamide-based hot melt adhesive, low melting point etc.Adopt two or more through the fiber of special processing, use the method for Physical Processing, a kind of low-melting fiber and other fiber are evenly mixed, after heating, make Stability Analysis of Structures.Existing hot melting wool production Technology has many, technological process generally include sawing sheet, comb and parallel cotton fibers prior to spinning, moulding, heat baking bonding, finalize the design, cut etc. and make cellucotton piece 1.
Being called " a kind of airflow air laid fiber cotton preparing process and the cellucotton of making " patent No. about the name that sees also the application on 04 5th, 2008 of the yellow aobvious violent wind of patentee of air-laid process is 200810027380.2 patent document introductions, computer auto-control production line that this invention can be applied in totally-enclosed (only minority is imported and exported material).
A kind of airflow air laid fiber cotton prepares the technological process of production and comprises successively: packing etc. is cut in weighing and burden, thick shredding, smart shredding, air lay, heat bonding typing, now is described below respectively:
A. weighing and burden: the fiber 95% that adopts 5% to 85% low-melting fiber and string and/or regeneration is mixed with raw material to 15%, the present embodiment adopts 20% low-melting fiber LMF (4080 low-melting fiber) mixed with 80% brown shredded coconut meat, with this preparation raw material, send into through conveyer belt after repeatedly mixing evenly
B. thick shredding: adopt shredding machinery, with the preliminary shredding of fiber, make fiber fluffy, fully mixed.The present embodiment adopts three grades of thick shreddings for guaranteeing the shredding effect, then enters,
C. smart shredding: adopt metal needle plate and the combination of fighting back the hired roughneck, control feeding fiber uniformity, shredding is soft, and fibre damage is little, enters for preventing from then being mingled with as foreign material such as rubble, button, safety pin, badges in raw material, and the removal of impurities program is set in production, enters
D. removal of impurities: with high speed steering device and collector, by the automatic separating sundries of centrifugal force and discharge, to guarantee the security of product, after removal of impurities, blower fan blows out, enters,
E. air lay: random web-laying equipment comprises a hopper, in be equipped with one with the induced-draught fan of guard, fiber is evenly distributed, be evenly distributed in hopper blow into the fiber that comes from blower fan.The hopper bottom has a pair of delivery roller that fiber is sent into mixing chamber, and fiber is further mixed in mixing chamber.Fiber in mixing chamber is transported in the blank forming device by a skew nailing convoying curtain by conveyer belt again.The blank forming device is made of the outer wall (wall) of mixing chamber and the vibration plate of band vibrations, makes being deposited in of fiber compactness in the blank forming device increase together green density by interaction.Hopper and mixing chamber all are equipped with dedusting fan, and the micronic dust in fiber is siphoned away, and the dust of absorption is delivered to the central dust-collection device by airtight pipeline, focus on, and can not affect the shopwork environment, and the infringement employee is healthy.4 delivery rollers and X ray (not being with radioactive source) weight TT﹠C system are housed bottom the blank forming device, the green density of measuring exactly in blank forming device exit is returned by this system, as the green density that detects departs from original setting value, computer can send signal to 4 delivery rollers of blank forming device bottom, automatically adjusts their output speed to keep correct green density.Can again by nail-plate cylinder shredding again, then be transported to into lace curtaining by the pressurized air-flow of blower fan and become to form required network structure between net drum from blank forming device blank out.A pair of circular edge-trimming cutter is equipped with in the exit of random web-laying equipment, the unnecessary corner of excision cellucotton blank, the cellucotton blank continues to enter the heat bonding typing and cuts packet assembler, and unnecessary corner is siphoned away by induced-draught fan, and feeds back in lapper and fiber mixed reuse again.
After random web-laying equipment is processed, make fiber be the support frame of square crossing distributed in three dimensions, fully and completely changed the overall structure of fiberizing in the past, greatly increased the bounce of 360 degree of fibre structure.Thereby the fibre density of web is improved, and the TENSILE STRENGTH of web strengthens, and elasticity (360 degree) increases with multiple.
F. packing is cut in the heat bonding typing: be with 2 oven heats and 1 cooler bin, casing adopts the environmental protection heat insulation foam outward, to guarantee that abundant saving heat energy and minimizing are on the impact of environment.Drop into baking oven, by the baking of high temperature 180-200 ℃ (generally not over 220 ℃) heat, with low-melting fiber fusing, the fiber of melting adhesion, the peripheral part of fusing is as glue, bonding with other fibers, make mixing just between the reticular fibre of one-step forming mutually fully sticking and after, enter immediately the cooler bin typing, then enter a minute cutting process: can complete by cutting machine, regulate the cutter distance between rip cutting, crosscut, complete by the length and width of designing requirement and cut, complete the manufacturing process of cellucotton piece 1.
The fiber of above-mentioned string and/or regeneration, can adopt the mixed of one or more strings in brown shredded coconut meat that the dehydrating and removing impurities section of cutting into is processed, cogongrass, reed, wheat straw, straw, hemp, jute, flax, Banana tree, cornstalk, bagasse, also can through dehydrating and removing impurities process wood wool, broken sponge, wool spinning particle in one or more are mixed, these fibers are preferably again through technique antibacterial treatment such as spraying bactericide, ultraviolet sterilizations, if it is better to pass through the spray coated flame retardant agent again.Certainly the making of cellucotton piece 1 is not limited to above-mentioned technique and method.
Complete on the basis that above-mentioned cellucotton piece 1 is made during the making of fiber cotton pad of the present invention, above-mentioned cellucotton piece 1 passes through following steps again: (A) cellucotton piece 1 is cut into some cellucotton sub-block 1a, 1b, 1c, with reference to the cellucotton schematic diagram of Fig. 1 for cutting in a kind of fiber cotton pad of application the present invention preparation technology, cutting direction H when cellucotton piece 1 is along fibre length direction L transverse cuts, can discharge side by side the cellucotton sub-block of applying take upright fibres as main, in order to obviously improve fiber cotton pad elasticity.
As some cellucotton sub-block 1a, when 1b, 1c are wide cutting, be convenient to smooth applying fiber cotton pad.
Following step (B) is a kind of cellucotton mat structure of application the present invention schematic diagram referring to Fig. 2, above-mentioned cellucotton sub-block 1a, 1b, 1c are discharged applying side by side, the cellucotton sub-block 1a of discharging applying, 1b, 1c are take upright fibres as main side by side, after cellucotton sub-block 1a, 1b, 1c are discharged applying side by side, upper and lower surface or the cellucotton piece 1 that wherein simultaneously tiles, enter again heat bonding equipment applying typing, can also regulate and control as required density.
As laying low-melting fiber or spraying viscose glue between the cellucotton sub-block 1a that fits in the cellucotton piece 1 of tiling and arranged side by side discharging, 1b, 1c, can strengthen applying intensity, the minimizing layering comes off.
Certainly, the invention is not restricted to address the embodiment shown in accompanying drawing, modification and equivalent transformation that the spirit of Fan Yiben creation is done, or adopt on this basis various deformation, all belong in protection domain of the present invention.
Claims (10)
1. the preparation technology of a fiber cotton pad, adopt 5% to 85% low-melting fiber and other fibers 95% to be mixed with raw material to 15% take the gross weight of fibrous raw material as benchmark, this preparation raw material is passed through successively: weighing and burden, thick shredding, smart shredding, one-tenth net, heat bonding are finalized the design for dividing and are cut into cellucotton piece (1), and it is characterized in that: described cellucotton piece (1) passes through following steps again:
(A) cellucotton piece (1) is cut into some cellucotton sub-blocks (1a, 1b, 1c);
(B) with above-mentioned cellucotton sub-block (1a, 1b, 1c) discharging applying side by side, then fit through heat bonding equipment and finalize the design.
2. the preparation technology of a kind of fiber cotton pad according to claim 1 is characterized in that: in described step (A), cellucotton piece (1) when cutting along fibre length direction transverse cuts.
3. the preparation technology of a kind of fiber cotton pad according to claim 1, is characterized in that: discharge side by side the cellucotton sub-block (1a, 1b, 1c) of applying take upright fibres as main.
4. the preparation technology of according to claim 1 and 2 or 3 described a kind of fiber cotton pads, it is characterized in that: described some cellucotton sub-blocks (1a, 1b, 1c) are wide.
5. the preparation technology of a kind of fiber cotton pad according to claim 4, it is characterized in that: in described step (B), after discharging is fitted side by side with cellucotton sub-block (1a, 1b, 1c), upper and lower surface or the cellucotton piece (1) that wherein simultaneously tiles, then enter heat bonding equipment applying typing.
6. the preparation technology of a kind of fiber cotton pad according to claim 5, is characterized in that: lay low-melting fiber between the cellucotton sub-block (1a, 1b, 1c) of the cellucotton piece (1) of described tiling and discharging applying side by side.
7. the preparation technology of a kind of fiber cotton pad according to claim 5, is characterized in that: spray viscose glue between the cellucotton sub-block (1a, 1b, 1c) of the cellucotton piece (1) of described tiling and discharging applying side by side.
8. the preparation technology of according to claim 1 and 2 or 3 described a kind of fiber cotton pads is characterized in that: described other fibers are one or more strings mixed in the brown shredded coconut meat that dehydrating and removing impurities is processed, cogongrass, reed, wheat straw, straw, hemp, jute, flax, Banana tree, cornstalk, bagasse.
9. the preparation technology of according to claim 1 and 2 or 3 described a kind of fiber cotton pads is characterized in that: described other fibers be through dehydrating and removing impurities process wood wool, broken sponge, wool spinning particle in one or more are mixed.
10. a fiber cotton pad, is characterized in that: the fiber cotton pad of described technique manufacturing of one of according to claim 1 to 9.
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| CN2013100457578A CN103088548A (en) | 2013-02-05 | 2013-02-05 | Fiber cotton cushion and preparation process thereof |
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| CN2013100457578A CN103088548A (en) | 2013-02-05 | 2013-02-05 | Fiber cotton cushion and preparation process thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005175A (en) * | 2014-04-14 | 2014-08-27 | 江苏环宇汽车零部件有限公司 | Multifunctional vehicle sound-proof thermal insulating composite material and preparation method thereof |
| CN104562431A (en) * | 2014-12-22 | 2015-04-29 | 湖南省长沙市爱晚亭家纺用品有限公司 | Fragrant cotton blank and preparing method thereof |
| CN105902045A (en) * | 2016-04-25 | 2016-08-31 | 江苏恒康家居科技股份有限公司 | Polyurethane fiber and polyurethane mixed mattress and preparation method thereof |
| CN110616504A (en) * | 2019-09-02 | 2019-12-27 | 鼎缘（杭州）纺织品科技有限公司 | Preparation method of environment-friendly regenerated sponge product |
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| CN110616504A (en) * | 2019-09-02 | 2019-12-27 | 鼎缘（杭州）纺织品科技有限公司 | Preparation method of environment-friendly regenerated sponge product |
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