CN105369479A - Technology for producing automotive trim materials through non-woven waste and leftover materials - Google Patents
Technology for producing automotive trim materials through non-woven waste and leftover materials Download PDFInfo
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- CN105369479A CN105369479A CN201510959783.0A CN201510959783A CN105369479A CN 105369479 A CN105369479 A CN 105369479A CN 201510959783 A CN201510959783 A CN 201510959783A CN 105369479 A CN105369479 A CN 105369479A
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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
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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
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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
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
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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
- D04H1/4391—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 characterised by the shape of the fibres
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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
- D04H1/542—Adhesive fibres
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/12—Vehicles
Abstract
The invention discloses a technology for producing automotive trim materials through non-woven waste and leftover materials. The technology is characterized by comprising the following technological steps that 1, classification and impurity removal are performed on the recycled non-woven waste and leftover materials to obtain non-woven waste raw materials; 2, the non-woven waste raw materials are mixed with polyester fibers, hollow fibers and low-melt-point fibers to obtain non-woven mixed raw materials; 3, opening, combing, lapping, hot baking forming and cooling setting are sequentially performed on the non-woven mixed raw materials, and then tailoring is performed to obtain the finished products. According to the technology, the automotive trim materials which meet the specification and are environmentally friendly are produced by effectively utilizing the non-woven waste and leftover materials.
Description
Technical field
The present invention relates to nonwoven production technical field, particularly relate to and utilize the technique that nonwoven is waste and old, automotive interior material produced by leftover pieces.
Background technology
Nonwoven fabric is also known as Nonwovens, and being be made up of orientation or random fiber, is environment-friendly materials of new generation.It is high that automobile interior trim textile material has intensity usually, refuses the features such as water, ventilative, pliable and tough, not combustion-supporting, nontoxic nonirritant, stable in properties.Nontoxic during burning, tasteless and leave over material without any, thus free from environmental pollution, be suitable for washing.The tencel goods with softness, ventilative and planar structure that it directly utilizes that high polymer is cut into slices, staple fibre or long filament are formed by various web forming method and concretion technology.It has the environmental-protecting performance that plastic products do not have, and it is by the time of natural degradation well below plastic bag, and therefore, the non-woven bag adopting nonwoven fabric to make also is acknowledged as the environment-friendly shopping bag of most economical material benefit.Nonwoven face is widely used in the every field of producing, cutting out with in use procedure at nonwoven fabric, creates a large amount of waste and old nonwoven material, and the leftover pieces of the not specification size formed after cutting, these waste materials and leftover pieces, soft shredding regenerative ratio, thick hard landfill, burning.
China Patent No. is separately had to be 201310587998.5, date of publication is 2014.2.19, disclose a kind of Non-woven fabric offcut bar shredding recovery system and recovery method, comprise Non-woven fabric offcut material guide device, the spraying humidifier of opener, opener, the pneumatic packing apparatus of opening fiber, described Non-woven fabric offcut material guide device is connected with Non-woven fabric offcut looping disk, the spraying humidifier of described opener is located between Non-woven fabric offcut material guide device and opener, the discharge end of opener is connected with the charging aperture of cyclone collector by Aerodynamic fiber separator, the discharging opening of cyclone collector is connected with the pneumatic packing apparatus of opening fiber.The quick shredding of Non-woven fabric offcut bar, collection can be realized, make full use of waste material, alleviate operator's labour intensity, keep production scene pollution-free, improve production efficiency and economic benefit, be particularly suitable for producing workshop in enormous quantities and use.The shredding of above-mentioned patent thick hard material has plasticized granule usually, fine dust dregs are packed after needing supporting " playing Luokou machine clearly " to be separated removing.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the invention provides and utilize that nonwoven is waste and old, the technique that automotive interior material produced by leftover pieces, its objective is and effectively utilize that nonwoven is waste and old, the automotive interior material of leftover pieces production environmental protection.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
Utilize the technique that nonwoven is waste and old, automotive interior material produced by leftover pieces, it is characterized in that, comprise following processing step:
(1) waste and old for the nonwoven of recovery, leftover pieces are carried out classifying, removal of impurities and shredding obtain nonwoven and to give up raw material (or claiming useless nonwoven shredding raw material), moisture is 0.5%-5%;
(2) raw material that given up by nonwoven mixes with terylen fiber, doughnut and low-melting fiber, obtains nonwoven mixed material;
(3) nonwoven mixed material is carried out successively shredding, combing, lapping, heat bakes type, cooling and shaping, then carry out cutting, obtain finished product.
The give up percentage by weight of raw material and terylen fiber, doughnut and low-melting fiber of described nonwoven is, terylen fiber 18%-25%, doughnut 3-5%, low-melting fiber 25%-30%, and nonwoven gives up raw material 40%-50%.
Mixing time 1-3 minute in described step (2), after mixing, feed moisture content keeps 0.5%-2%, adds the preparation medium oil solution of 0.1%-0.3% in batch mixing process.
In described step (3), nonwoven mixed material heat bakes the temperature of type is 145 DEG C-165 DEG C, and humidity is 0.5%-2%, transmission speed 3-6 m/min, baking time 1.5-2.5 minute.
The step that nonwoven is waste and old, leftover pieces carry out pre-shredding, smart shredding and packing is also comprised in (1) in described step.
Utilize the device that nonwoven is waste and old, automotive interior material produced by leftover pieces, it is characterized in that: comprise batch mixer, opener, feeding machine, carding machine, lapping machine, combustion gas drying room, cooling and shaping storage cloth holder and cutting machine, described nonwoven mixed material is after batch mixer mixing, the shredding of input opener, fiber combing is carried out through feeding machine input carding machine after shredding, send into lapping machine lapping, send into combustion gas drying room heat again and bake type, nonwoven fabric after shaping, by cooling and shaping storage cloth holder cooling and shaping, is cut into product finally by cutting machine.
Described combustion gas drying room and cooling and shaping store up between cloth holder and are provided with pressure roller.
Described combustion gas drying room comprises drying room (1), the sidewall of described drying room (1) is provided with products export (2), also comprise extractor fan, described extractor fan comprises air exhauster (3), aspiration channel (4), hot-blast conduit (5) and hot blast exhaust duct (5), described aspiration channel (4) is positioned at products export (2) place, described aspiration channel (4) is connected by the air inlet of hot-blast conduit (5) with air exhauster (3), and the air outlet of air exhauster (3) is connected with hot blast exhaust duct (6).
The closed at both ends of described aspiration channel (4), sidewall establishes spaced multiple inlet scoop (4.1), is provided with connecting portion (4.2) between multiple described inlet scoop (4.1).
Described air exhauster (3) is positioned at the top in drying room (1) outside, air exhauster (3) is fixed on the top in drying room (1) outside by support (8), the spacing of described aspiration channel (4) and products export (2) is 30-40cm, and the distance between aspiration channel (4) and the nonwoven fabric (7) exported from products export (2) is 2-5cm.
The present invention has the following advantages:
1, the present invention's raw material (particularly thicker automobile-used non-woven material) that waste and old for the nonwoven of recovery, leftover pieces and nonwoven given up mixes with terylen fiber, doughnut and low-melting fiber, then automotive interior material is made into according to the manufacture craft of nonwoven fabric, realize the recycling of waste material, save resource.
2, the give up percentage by weight of raw material and terylen fiber, doughnut and low-melting fiber of nonwoven of the present invention is, terylen fiber 18%-25%, doughnut 3-5%, low-melting fiber 25%-30%, and nonwoven gives up raw material 40%-50%.Terylen fiber (specification 15d*64mm-4d*38mm), because the fiber material length thickness color of shredding differs, the performances such as fibre strength are more lossy, can not to ensure the quality of products during batch production unification, add polyster fibre and unify material foundation color, the unified performance such as intensity, size changing rate, ABRASION RESISTANCE ensureing material; Doughnut (specification 6d*64mm-12d*65mm), keeps good deflection and the elasticity of material; Low-melting fiber (specification 4d*38mm-4d*51mm), dissolve by loose fibres bond together after 145-160 degree drying room baking 60-90 second, cured article form, low-melting fiber instead of the technique of adding adhesive cures shaped article; Nonwoven gives up raw material, realizes the recycling of waste material, has saved resource, protection of the environment, reduces product cost.The nonwoven of aforementioned proportion gives up the automotive interior material that raw material and terylen fiber, doughnut and low-melting fiber are made, and its TENSILE STRENGTH, elongation at break, tearing toughness, anti-flammability, ABRASION RESISTANCE and COLOR FASTNESS all reach high-quality level.
3, the present invention utilizes the device that nonwoven is waste and old, automotive interior material produced by leftover pieces, comprise batch mixer, opener, feeding machine, carding machine, lapping machine, combustion gas drying room, cooling and shaping storage cloth holder and cutting machine, nonwoven mixed material through the said equipment processing, makes the automotive trim product meeting environmental requirement successively.Formula and production technology simple, use the low-melting fiber of the non-volatile thing of environmental protection as the shaping formula of adhesive solidification, once complete in fiber furnish, eliminate semi-finished product in producing to need to use the adhesive contained hazardous substance to dip the technique of Post RDBMS, cancel use and dip equipment, product dries through high-temperature hot and the volatile substance that may contain in the shredding raw material of recovery is volatilized in high temperature, reach the effect that effect product sterilization is clean, technology reduces production cost and energy consumption, reduces social solid waste and pollutes.
4, combustion gas drying room of the present invention comprises extractor fan, described extractor fan comprises air exhauster, aspiration channel, hot-blast conduit and hot blast exhaust duct, described aspiration channel is positioned at products export place, described aspiration channel is connected with the air inlet of air exhauster by hot-blast conduit, and the air outlet of air exhauster is connected with hot blast exhaust duct.The high temperature nonwoven fabric that products export place exports is under the effect of pump, and the heat on non-woven cloth products enters hot-blast conduit by air transmitted, is discharged by hot blast exhaust duct, thus changes the mode of prior art water chill rolls cooling nonwoven fabric, has saved water source.
5, the closed at both ends of aspiration channel of the present invention, sidewall establishes spaced multiple inlet scoop, is provided with connecting portion, connects the distortion preventing aspiration channel between multiple described inlet scoop.
6, air exhauster of the present invention is positioned at the top outside drying room, and air exhauster is fixed on the top outside drying room by support, and described aspiration channel and the spacing of products export are 30-40cm, and the distance between aspiration channel and the nonwoven fabric exported from products export is 2-5cm.Because heat dries the hot-air that product (nonwoven fabric) generates in drying room, at products export, place is aspirated by aspiration channel in the lump, and the hot-air in drying room is discharged fast, keeps drying room environment temperature stabilization, also the trifle in the world be attached on non-woven cloth products can be cleaned simultaneously, improve product cleannes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of combustion gas drying room of the present invention;
Fig. 3 is aspiration channel structural representation of the present invention.
Mark in figure: 1, drying room, 2, products export, 3, air exhauster, 4, aspiration channel, 4.1, inlet scoop, 4.2, connecting portion, 5, hot-blast conduit, 6, hot blast exhaust duct, 7, nonwoven fabric, 8, support.
Detailed description of the invention
Embodiment 1
At present in the production process of nonwoven fabric, because cutting produces a large amount of corner nonwoven material, also have in use, also a large amount of waste and old nonwoven material is created, the invention provides and utilize that nonwoven is waste and old, the technique that automotive interior material produced by leftover pieces, its objective is and effectively utilize that nonwoven is waste and old, the automotive interior material of leftover pieces production environmental protection.In order to the automotive trim sound absorbing layer material of the non-environmental protection such as replacing asphalt plate, glass pricker plate, rubber slab, effectively remove moisture in the fabrication process, preventing material post storage, use because moisture too high easy generation is gone mouldy, is some drying and moulding condition needing the material of after-bake moulded section to provide excellent such as such as return moldings part, carpet basic unit, wheel cover.
Utilize the technique that nonwoven is waste and old, automotive interior material produced by leftover pieces, comprise following processing step:
(1) waste and old for the nonwoven of recovery, leftover pieces are carried out classifying, removal of impurities and shredding obtain nonwoven and to give up raw material, the give up moisture of raw material of the nonwoven of shredding is 0.5%-5%, and this moisture is conducive to the electrostatic reducing fibre frictoin, utilizes combing, lapping; Comprise nonwoven is waste and old, leftover pieces to carry out pre-shredding, smart shredding and be packaged into nonwoven giving up raw material, with for subsequent use; Because of the material of automobile-used non-woven material normally MULTILAYER COMPOSITE, thickness many between 1-20 millimeter, quality is partially hard, therefore pre-shredding and smart shredding is adopted, pre-shredding adopts canine tooth pin cloth model 2.2*1005*1222-2.0*1105*1220, have cobbing and fully shredding can not become threadiness, smart shredding uses little tooth pin cloth model 1.5*6020*7345, shredding in advance is contained cobbing again complete shredding become fiber.Pre-shredding adopts lower spraying humidification type opener, and smart shredding does not add water, and control shredding material moisture 2%-4%, supporting clear bullet Luokou machine removes the gred.(automobile-used waste and old textile material is stained with the composite beds such as leather, plastic cement sometimes, before shredding ancestor's work point from, separate by playing clearly Luokou machine after the meeting of failing thoroughly to be separated opens up pine)
(2) raw material that given up by nonwoven mixes with terylen fiber, doughnut and low-melting fiber, obtains nonwoven mixed material; The give up percentage by weight of raw material and terylen fiber, doughnut and low melting point special fibre of nonwoven is, terylen fiber 18%-25%, doughnut 3-5%, low-melting fiber 25%-30%, and nonwoven gives up raw material 40%-50%.Terylen fiber (specification 15d*64mm-4d*38mm), because the fiber material length thickness color of shredding differs, the performances such as fibre strength are more lossy, can not to ensure the quality of products during batch production unification, add polyster fibre and unify material foundation color, the unified performance such as intensity, size changing rate, ABRASION RESISTANCE ensureing material; Doughnut (specification 6d*64mm-12d*65mm), keeps good deflection and the elasticity of material; Low-melting fiber (specification 4d*38mm-4d*51mm), dissolve by loose fibres bond together after 145-160 degree drying room baking 60-90 second, cured article form, low-melting fiber instead of the technique of adding adhesive cures shaped article); Nonwoven gives up raw material, realizes the recycling of waste material, has saved resource, protection of the environment, reduces product cost.The nonwoven of aforementioned proportion gives up the automotive interior material that raw material and terylen fiber, doughnut and low-melting fiber are made, and its TENSILE STRENGTH, elongation at break, tearing toughness, anti-flammability, ABRASION RESISTANCE and COLOR FASTNESS all reach high-quality level.Especially the give up percentage by weight of raw material and terylen fiber, doughnut and low melting point special fibre of nonwoven is, terylen fiber 20%, doughnut 5%, low-melting fiber 25%, and the nonwoven raw material 50% that gives up is that performance indications are best.Mixing time 1-3 minute in this process, after mixing, feed moisture content keeps 0.5%-2%, adds the preparation medium of 0.1%-0.3%, be conducive to the combing of opening fiber in batch mixing process.
(3) then nonwoven mixed material is carried out successively shredding, combing, lapping, heat bakes type, cooling and shaping, then cutting is carried out, obtain finished product, in this process, nonwoven mixed material heat bakes the temperature of type is 145 DEG C-165 DEG C, humidity is 0.5%-2%, transmission speed 3-6 m/min, baking time 1.5-2.5 minute.
Utilize nonwoven waste and old, the device (as shown in Figure 1) of automotive interior material produced by leftover pieces, comprise batch mixer, opener, feeding machine, carding machine, lapping machine, combustion gas drying room, cooling and shaping storage cloth holder and cutting machine, nonwoven mixed material is after batch mixer mixing, the shredding of input opener, nonwoven mixed material after shredding carries out fiber combing through feeding machine input carding machine, nonwoven mixed material after combing sends into lapping machine lapping, send into the baking of combustion gas drying room heat again and be shaped to nonwoven fabric, nonwoven fabric after shaping is by cooling and shaping storage cloth holder cooling and shaping, product is cut into finally by cutting machine.
Above-mentioned batch mixer is automatic mixing machine (single batch mixing amount 600kg, mixing time 1-3 minute, after mixing, feed moisture content keeps 0.5%-2%) (because the usual oil content deficiency of shredding material fiber affects carding process, 0.1-0.3% preparation medium is added) in batch mixing process, optoelectronic induction feeds fibre opening machine automatically, optoelectronic induction automatic fibers feeding machine (feeding capacity 0.5-2 rice per minute), two Cylinder Carding machine (adopts Bearded-needle knitted cloth model 3015*1890-3820*3618, cylinder rotating speed 500-600 rev/min, after combing single layer fibre reticular density 10-30 gram square metre), lapping machine (lapping number of plies 10-35 layer), raw material passes through the natural evaporation of equipment operation heat in the last stage, control in moisture 1%, except (2.5 meters * 3 meters, humidify fuel gas drying room, temperature 100-120 degree, middle part centrifugal exhaust fan air quantity 1200-2400 cube m/h, dehumidifying 80%, reach 0.2%), two drying room spacing two meters (strengthening the spacing of moisture natural evaporation), (2.5 meters * 8 meters, shaping combustion gas drying room, temperature 145-165 degree, drying room transmission speed 3-6 m/min, product baking time 1.5-2.5 minute, ensure that good heat dries molding bonded), (what row's drying room overflowed outward contains the hot-air of moisture and the moisture of shaping rear product thermal evaporation in cooling, from while product cooling), sizing storage cloth holder (storage cloth amount 2-9 rice, finally dehumidify under waste heat effect, reach in water tariff collection 0.05%), by and cutting machine.Described nonwoven mixed material is after batch mixer mixing, the shredding of input opener, fiber combing is carried out through feeding machine input comb after shredding, send into lapping machine lapping, send into combustion gas drying room heat again and bake type, nonwoven fabric after shaping is but shaped by cold reason and is stored up cloth holder cooling and shaping, is cut into product finally by cutting machine, packaging (adopting 0.05-0.02mmPE to be wound around film waterproofing packing).
Described combustion gas drying room and cooling and shaping store up between cloth holder and are provided with pressure roller, and pressure roller is cylinder pressure regulation twin pressure roller (adjustable pressure 0.1-0.6MP, for product approval for long, the diameter 250 millimeters of pressure roller 2.6 meters, Teflon anti-stick coating).
Combustion gas drying room comprises drying room 1(as shown in Figure 2 and Figure 3), the sidewall of described drying room 1 is provided with products export 2, nonwoven fabric through high temperature compacting exports from products export 2, also comprise the extractor fan for cooling nonwoven fabric 7, described extractor fan comprises air exhauster 3, aspiration channel 4, hot-blast conduit 5 and hot blast exhaust duct 6, described aspiration channel 4 is arranged on products export 2 place, be positioned at the top of products export 2, described aspiration channel 5 is connected with the air inlet of air exhauster 3 by hot-blast conduit 5, and the air outlet of air exhauster 3 is connected with hot blast exhaust duct 6.The high temperature nonwoven fabric 7 that products export place exports is under the effect of pump, and the heat on nonwoven fabric 7 product enters hot-blast conduit by air transmitted, is discharged by hot blast exhaust duct.
The closed at both ends of aspiration channel 4, sidewall establishes spaced multiple inlet scoop 4.1, and be provided with connecting portion 4.2 between multiple described inlet scoop 4.1, the hot gas on nonwoven fabric 7, facing to nonwoven fabric 7, siphons away, and discharges by inlet scoop 4.1.
Air exhauster 3 is positioned at the top outside drying room 1, and air exhauster 3 is fixed on the top outside drying room 1 by support 8.
Described aspiration channel 4 is 30-40cm with the spacing of products export 2, and the distance between aspiration channel 4 and the nonwoven fabric 7 exported from products export is 2-5cm.Because heat dries the hot-air that product (nonwoven fabric) generates in drying room, at products export, place is aspirated by aspiration channel in the lump, and the hot-air in drying room is discharged fast, keeps drying room environment temperature stabilization, also the trifle in the world be attached on non-woven cloth products can be cleaned simultaneously, improve product cleannes.
Claims (10)
1. utilize the technique that nonwoven is waste and old, automotive interior material produced by leftover pieces, it is characterized in that, comprise following processing step:
(1) waste and old for the nonwoven of recovery, leftover pieces are carried out classify, removal of impurities and shredding obtain nonwoven and to give up raw material; Shredding material moisture is 0.5%-5%;
(2) raw material that given up by nonwoven mixes with terylen fiber, doughnut and low-melting fiber, obtains nonwoven mixed material;
(3) nonwoven mixed material is carried out successively shredding, combing, lapping, heat bakes type, cooling and shaping, then carry out cutting, obtain finished product.
2. according to claim 1ly utilize that nonwoven is waste and old, the technique that automotive interior material produced by leftover pieces, it is characterized in that: the give up percentage by weight of raw material and terylen fiber, doughnut and low melting point special fibre of described nonwoven is, terylen fiber 18%-25%, doughnut 3-5%, low-melting fiber 25%-30%, nonwoven gives up raw material 40%-50%.
3. according to claim 1ly utilize that nonwoven is waste and old, the technique that automotive interior material produced by leftover pieces, it is characterized in that: mixing time 1-3 minute in described step (2), after mixing, feed moisture content keeps 0.5%-2%, adds the preparation medium of 1%-3% in batch mixing process.
4. according to claim 1ly utilize that nonwoven is waste and old, the technique that automotive interior material produced by leftover pieces, it is characterized in that: in described step (3), nonwoven mixed material heat bakes the temperature of type is 145 DEG C-165 DEG C, humidity is 0.5%-2%, transmission speed 3-6 m/min, baking time 1.5-2.5 minute.
5. according to claim 1ly utilize that nonwoven is waste and old, the technique that automotive interior material produced by leftover pieces, it is characterized in that: in described step, in (1), also comprise the step that nonwoven is waste and old, leftover pieces carry out pre-shredding, smart shredding and packing.
6. the nonwoven that utilizes according to claim 1 is waste and old, the device of automotive interior material produced by leftover pieces, it is characterized in that: comprise batch mixer, opener, feeding machine, carding machine, lapping machine, combustion gas drying room, cooling and shaping storage cloth holder and cutting machine, described nonwoven mixed material is after batch mixer mixing, the shredding of input opener, fiber combing is carried out through feeding machine input carding machine after shredding, send into lapping machine lapping, send into combustion gas drying room heat again and bake type, nonwoven fabric after shaping is by cooling and shaping storage cloth holder cooling and shaping, product is cut into finally by cutting machine.
7. according to claim 6ly utilize that nonwoven is waste and old, the device that automotive interior material produced by leftover pieces, it is characterized in that: described combustion gas drying room and cooling and shaping store up between cloth holder and be provided with pressure roller.
8. the nonwoven that utilizes according to claim 6 is waste and old, the device of automotive interior material produced by leftover pieces, it is characterized in that: described combustion gas drying room comprises drying room (1), the sidewall of described drying room (1) is provided with products export (2), also comprise extractor fan, described extractor fan comprises air exhauster (3), aspiration channel (4), hot-blast conduit (5) and hot blast exhaust duct (5), described aspiration channel (4) is positioned at products export (2) place, described aspiration channel (4) is connected by the air inlet of hot-blast conduit (5) with air exhauster (3), the air outlet of air exhauster (3) is connected with hot blast exhaust duct (6).
9. according to claim 8ly utilize that nonwoven is waste and old, the device that automotive interior material produced by leftover pieces, it is characterized in that: the closed at both ends of described aspiration channel (4), sidewall establishes spaced multiple inlet scoop (4.1), is provided with connecting portion (4.2) between multiple described inlet scoop (4.1).
10. according to claim 9ly utilize that nonwoven is waste and old, the device that automotive interior material produced by leftover pieces, it is characterized in that: described air exhauster (3) is positioned at the top in drying room (1) outside, air exhauster (3) is fixed on the top in drying room (1) outside by support (8), the spacing of described aspiration channel (4) and products export (2) is 30-40cm, and the distance between aspiration channel (4) and the nonwoven fabric (7) exported from products export (2) is 2-5cm.
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| CN108842227A (en) * | 2018-08-20 | 2018-11-20 | 池家丰 | A kind of processing method that staple fiber is washed in leftover pieces production |
| CN109610090A (en) * | 2018-12-07 | 2019-04-12 | 无锡吉兴汽车声学部件科技有限公司 | The production method of sound insulating pad under a kind of blanket car carpeting |
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| CN111186179A (en) * | 2020-01-08 | 2020-05-22 | 佩尔哲汽车内饰系统(太仓)有限公司 | Sound insulation pad |
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Application publication date: 20160302 |