CN218749690U - Waste textile fiber reinforced composite fabric - Google Patents
Waste textile fiber reinforced composite fabric Download PDFInfo
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- CN218749690U CN218749690U CN202222813925.0U CN202222813925U CN218749690U CN 218749690 U CN218749690 U CN 218749690U CN 202222813925 U CN202222813925 U CN 202222813925U CN 218749690 U CN218749690 U CN 218749690U
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Abstract
The utility model discloses an old and useless textile fiber reinforcing composite fabric, include: the three-dimensional composite structure comprises a plurality of needled felts and fabric layers attached to the upper surfaces and the lower surfaces of the needled felts; the layer number of the needled felt is not less than 2, and the three-dimensional composite structure is penetrated by a plurality of stitches along the thickness direction; each needled felt is formed by needling a fiber film, and the fiber film is formed by crosswise folding a plurality of waste textile single fibers; the fabric layer is a fabric or a fiber fabric with a customized pattern; the surface of the three-dimensional composite structure is coated with a resin layer. The utility model saves the subsequent processing cost, and is green, environment-friendly and formaldehyde-free; the selected textile is the textile waste, so that the waste of resources can be reduced, the utilization rate of the textile waste is improved, the pollution to the environment caused by the landfill and the combustion of the textile waste can be avoided, and the win-win situation of economic and social development and ecological environment protection is achieved.
Description
Technical Field
The utility model relates to a textile fiber field especially relates to a compound surface fabric of old and useless textile fiber reinforcing.
Background
The exhaustion of fossil resources and the continuous deterioration of the environment promote the high-quality economic mode of sustainable and circular development of countries in the world. Therefore, recycling of waste textiles is increased around the world. However, the treatment means of the waste textiles at present are mainly incineration or landfill. A large amount of toxic gas is discharged into the air by burning to pollute the atmospheric environment, dyes and chemical substances on the waste textiles are released into the soil by burying, soil pollution and water pollution are caused, a plurality of chemical fiber textiles are not easy to decompose when buried in the soil, and the ecological environment is difficult to repair, so that the recycling of the waste textiles is increased all over the world, and the composite material is reinforced by mainly adopting a method of manually laying fabric fibers at present.
However, the above-described technique has the following problems in reinforcing a composite material:
(1) The high-thickness and high-density needled felt cannot be produced by only using a weaving process, and the interlaminar mechanical property is weak, so that the use effect is weakened;
(2) At present, the old and useless textile fiber needled felt has poor aesthetic property, the prepared composite material cannot be directly applied, subsequent painting and film pasting treatment are needed, and a large amount of time is wasted;
(3) The traditional means uses rivets for connection, and the product weight is too heavy, which is not beneficial to use and influences the use effect.
Disclosure of Invention
The utility model overcomes prior art's is not enough, provides a compound surface fabric of old and useless textile fiber reinforcing.
In order to achieve the purpose, the utility model adopts the technical proposal that: a waste textile fiber reinforced composite fabric comprises: a three-dimensional composite structure;
the three-dimensional composite structure comprises a plurality of needled felts and fabric layers attached to the upper surfaces and the lower surfaces of the needled felts; the number of layers of the needled felt is not less than 2, and the three-dimensional composite structure is penetrated by a plurality of stitches along the thickness direction; each needled felt is formed by needling a fiber film, and the fiber film is formed by crosswise folding a plurality of waste textile single fibers; the fabric layer is a fabric or a fiber fabric with a customized pattern; the surface of the three-dimensional composite structure is coated with a resin layer.
In a preferred embodiment of the present invention, the stitching thread is a hot-melt yarn.
In a preferred embodiment of the present invention, the resin layer is a phenolic resin.
In a preferred embodiment of the present invention, the customized patterns are wood-like patterns, stone-like patterns and flower-like patterns.
In a preferred embodiment of the present invention, the fiber fabric is a carbon fiber fabric or an aramid fiber fabric.
In a preferred embodiment of the present invention, the stitch density of the needled felt is 1-25 stitches/cm 2 。
In a preferred embodiment of the present invention, the needled felt has a needling density of 1-14 needles/cm 2 。
In a preferred embodiment of the present invention, the thickness of the three-dimensional composite structure is 2-16mm.
In a preferred embodiment of the present invention, a plurality of the needle punched felts have a thickness of 2-4mm.
The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:
(1) The utility model provides a compound surface fabric of old and useless textile fiber reinforcing has adopted the blind stitch technology on the basis of non-weaving acupuncture technology, and the sewing process brings some facial internal fibre into the thickness direction, promotes the performance between the acupuncture felt layer, and the suture can be made multilayer acupuncture felt into three-dimensional overall structure simultaneously, and multilayer acupuncture felt wholeness after sewing is strong, thickness is high, and the combined material of preparation satisfies various thickness requirements, and mechanical properties between the layer is excellent;
(2) The utility model is provided with the hot melt sewing yarns, the hot melt yarns are melted in the solidification process, the multilayer needled felt can be bonded into a three-dimensional integral structure, the integrity of the composite material is enhanced, the prepared reinforced composite material has uniform mechanical property, and the mechanical property between layers and in the surface is high; meanwhile, after the hot-melt suture line is melted, no trace is left on the surface of the composite material which is attached with the fabric or fiber fabric printed with the customized patterns, so that the attractiveness of the composite material is improved;
(3) The textile selected by the utility model is the textile waste, which can reduce the waste of resources, improve the utilization rate of the textile waste, avoid the pollution to the environment caused by the landfill and the burning of the textile waste, and achieve the win-win of economic and social development and ecological environment protection;
(4) The fabric or the fiber fabric printed with the customized patterns is attached to the upper surface and the lower surface of the multilayer sewing needled felt, and the prepared textile fiber composite material can be directly used, so that the subsequent processing cost is saved, and the environment is protected;
(5) The matrix material selected by the utility model is phenolic resin, which has good mechanical property, short curing time and high production efficiency, meets the requirement of mass production in short time of enterprises, and improves the production efficiency;
(6) The utility model discloses adopted the sewing process to connect each part of combined material on the basis of non-weaving needle punching technology, preparation special construction part according to product requirement integrated into one piece, has solved the mode that the tradition adopted the rivet, reduces product weight when saving the cost.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic diagram of the overall structure of the preferred embodiment of the present invention;
FIG. 2 is a schematic view of a blind stitch according to a preferred embodiment of the present invention;
FIG. 3 is a process flow diagram of a preferred embodiment of the present invention;
in the figure: 1. needling the felt; 2. a fabric; 3. and (4) sewing.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
Fig. 1 shows an overall structure schematic diagram of a waste textile fiber reinforced composite fabric in the utility model, the material includes: the three-dimensional composite structure comprises a plurality of needled felts and fabric layers attached to the upper surfaces and the lower surfaces of the needled felts; the layer number of the needled felt is not less than 2, and the three-dimensional composite structure is penetrated by a plurality of stitches along the thickness direction; each needled felt is formed by needling a fiber film, and the fiber film is formed by crosswise folding a plurality of waste textile single fibers; the fabric layer is a fabric or a fiber fabric with a customized pattern; the surface of the three-dimensional composite structure is coated with a resin layer.
The utility model discloses the suture is the hot melt yarn.
It should be noted that the utility model is provided with the hot melt sewing yarn, the hot melt yarn is melted in the curing process, the multilayer needled felt can be bonded into a three-dimensional integral structure, the integrity of the composite material is enhanced, the prepared reinforced composite material has uniform mechanical property, and the mechanical property between layers and in the surface is high; meanwhile, after the hot-melt suture line is melted, no mark is left on the surface of the composite material which is attached with the fabric or fiber fabric printed with the customized patterns, so that the attractiveness of the composite material is improved.
The utility model discloses well resin layer is phenolic resin.
The utility model discloses well customization decorative pattern is imitative wood texture, imitative stone texture and imitative flower pattern.
The utility model discloses well fabric is carbon fiber fabric or aramid fiber fabric.
It should be noted that, the utility model discloses having laminated the fabric or the fabric that are printed with the customization decorative pattern on the face about the multilayer sewing needle felt, the textile fiber combined material of preparation can directly use, has both saved follow-up processing cost, again green.
Fig. 2 shows a schematic view of a blind stitch in the present invention.
The sewing density of the middle needled felt of the utility model is 1-25 needles/cm 2 。
The needling density of the middle needled felt of the utility model is 1-14 needling/cm 2 。
It should be noted that the utility model discloses adopted the hidden joint technology on the basis of non-weaving acupuncture technology, sewed up the process and brought some face internal fiber into thickness direction, promoted acupuncture felt interlaminar performance, the suture can be made up multilayer acupuncture felt into three-dimensional overall structure simultaneously, and multilayer acupuncture felt wholeness after sewing up is strong, thickness is high, and the combined material of preparation satisfies various thickness requirements, and mechanical properties is excellent between the layer.
The thickness of the three-dimensional composite structure in the utility model is 2-16mm.
The thickness of a plurality of needle felt in the utility model is 2-4mm.
It should be noted that, the utility model discloses a vacuum bag hot briquetting technology, after the complete infiltration phenolic resin of multilayer sewing acupuncture felt in the vacuum bag, hot pressing to required thickness, the composite material fibre volume content of preparation reaches 40-80%, has effectively reduced composite material's manufacturing cost.
Figure 3 shows a process flow diagram in the present invention.
When the utility model is used, the adornment is removed firstly, the textile clothing cloth is opened into the fiber batting, and the fiber length of the waste textile fiber batting obtained after opening is 20-80mm; the utility model discloses the principal ingredients of the old and useless fabrics of well utilization are cotton fiber, polyester fiber etc. and its spinnability is good, and the natural inflection of cotton fiber makes it have certain cohesive force, and chemical fiber possesses excellent mechanical properties. Feeding the textile clothing fabric fiber batting into a roller type carding machine, removing impurities through a cylinder, a doffer, a working roller and a stripping roller, mixing and uniformly forming single fibers, carding the single fibers into a fiber thin net, and manufacturing the fiber thin net into a fiber web film by using a cross folding lapping machine; and finally, needling the fiber web film to obtain a needled felt, laying the needled felt together in multiple layers, laminating a fabric or a fiber fabric (a carbon fiber fabric or an aramid fiber fabric) with customized patterns (wood-like patterns, stone-like patterns, flower-like patterns and the like) on the upper surface and the lower surface, and sewing the fabric or the fiber fabric into a three-dimensional integral structure by using a blind sewing process and adopting hot-melt yarns as sewing lines to obtain the three-dimensional composite structure of the textile fiber reinforced composite material.
The utility model provides an old and useless textile fiber reinforcing composite fabric specifically includes following step:
example 1
The utility model provides a compound surface fabric of old and useless textile fiber reinforcing specifically includes following step:
step 4, reinforcing the fiber film by repeated needling to obtain a needled felt with the thickness of 4mm and the cohesive force of 20N;
step 5, laying every two layers of the needled felt obtained in the step 4 together, laminating fabrics or fiber fabrics (carbon fiber fabrics or aramid fiber fabrics) printed with customized patterns (wood-like patterns, stone-like patterns, flower-like patterns and the like) on the upper and lower surfaces, selecting hot-melt yarns as sewing threads, and sewing the hot-melt yarns into a three-dimensional integral structure by using a blind sewing process to obtain a textile fiber reinforced composite material prefabricated part with the thickness of 8 mm;
and 6, infiltrating the prefabricated part obtained in the step 5 with phenolic resin by using a vacuum bag forming process, placing the prefabricated part on a hot press, and hot-pressing the prefabricated part until the prefabricated part is 5mm and cured, wherein the hot-pressing curing temperature is 135 ℃, the pressure is 2MPa, and the time is 15min.
Example 2
The utility model provides a compound surface fabric of old and useless textile fiber reinforcing specifically includes following step:
step 4, reinforcing the fiber film by repeated needling to obtain a needled felt with the thickness of 4mm and the cohesive force of 20N;
step 5, paving every three layers of the needled felt obtained in the step 4 together, attaching fabrics or fiber fabrics (carbon fiber fabrics or aramid fiber fabrics) printed with customized patterns (wood-like patterns, stone-like patterns, flower-like patterns and the like) on the upper surface and the lower surface, selecting hot-melt yarns as stitches, and sewing the stitches into a three-dimensional integral structure by using a blind stitch process to obtain a textile fiber reinforced composite prefabricated part with the thickness of 12 mm;
and 6, infiltrating the prefabricated part obtained in the step 5 with phenolic resin by using a vacuum bag forming process, placing the prefabricated part on a hot press, and hot-pressing the prefabricated part until the thickness of the prefabricated part is 8mm for curing, wherein the hot-pressing curing temperature is 135 ℃, the pressure is 3MPa, and the time is 15min.
Example 3
The utility model provides a compound surface fabric of old and useless textile fiber reinforcing specifically includes following step:
step 4, reinforcing the fiber film by repeated needling to obtain a needled felt with the thickness of 4mm and the cohesive force of 20N;
step 5, laying every four layers of the needled felt obtained in the step 4 together, attaching fabrics or fiber fabrics (carbon fiber fabrics or aramid fiber fabrics) printed with customized patterns (wood-like patterns, stone-like patterns, flower-like patterns and the like) on the upper and lower surfaces, selecting hot-melt yarns as sewing lines, and sewing the hot-melt yarns into a three-dimensional integral structure by using a blind sewing process to obtain a textile fiber reinforced composite material prefabricated part with the thickness of 16 mm;
and 6, infiltrating the prefabricated part obtained in the step 5 with phenolic resin by using a vacuum bag forming process, placing the prefabricated part on a hot press, and hot-pressing to 12mm for curing, wherein the hot-pressing curing temperature is 135 ℃, the pressure is 5MPa, and the time is 15min.
Example 4
The utility model provides a compound surface fabric of old and useless textile fiber reinforcing specifically includes following step:
step 4, reinforcing the fiber film by repeated needling to obtain a needled felt with the thickness of 2mm and the cohesive force of 15N;
step 5, laying every four layers of the needled felt obtained in the step 4 together, attaching fabrics or fiber fabrics (carbon fiber fabrics or aramid fiber fabrics) printed with customized patterns (wood-like patterns, stone-like patterns, flower-like patterns and the like) on the upper and lower surfaces, selecting hot-melt yarns as sewing lines, and sewing the hot-melt yarns into a three-dimensional integral structure by using a blind sewing process to obtain a textile fiber reinforced composite material prefabricated part with the thickness of 8 mm;
and 6, infiltrating the prefabricated part obtained in the step 5 with phenolic resin by using a vacuum bag forming process, placing the prefabricated part on a hot press, and hot-pressing the prefabricated part until the thickness is 6mm for solidification, wherein the hot-pressing solidification temperature is 135 ℃, the pressure is 3MPa, and the time is 15min.
Example 5
The utility model provides a compound surface fabric of old and useless textile fiber reinforcing specifically includes following step:
step 4, reinforcing the fiber film by repeated needling to obtain a needled felt with the thickness of 4mm and the cohesive force of 18N;
step 5, laying every six layers of the needled felt obtained in the step 4 together, attaching fabrics or fiber fabrics (carbon fiber fabrics or aramid fiber fabrics) printed with customized patterns (wood-like patterns, stone-like patterns, flower-like patterns and the like) on the upper surface and the lower surface, selecting hot-melt yarns as sewing lines, and sewing the hot-melt yarns into a three-dimensional integral structure by using a blind sewing process to obtain a 24 mm-thick textile fiber reinforced composite material prefabricated part;
and 6, infiltrating the prefabricated part obtained in the step 5 with phenolic resin by using a vacuum bag forming process, placing the prefabricated part on a hot press, and hot-pressing the prefabricated part until the thickness of the prefabricated part is 20mm for solidification, wherein the hot-pressing solidification temperature is 135 ℃, the pressure is 5MPa, and the time is 15min.
The utility model discloses utilize old and useless fabrics and phenolic resin to prepare the compound surface fabric of old and useless textile fiber reinforcing, directly open, comb into old and useless textile fiber various old and useless fabrics, old and useless fabrics recycle is rateed highly, recovery cost is low and recovery efficiency is high.
Compared with the prior art, the utility model, abandoned the manual thinking of laying fiber reinforced composite of tradition, adopted a non-weaving acupuncture technology to combine blind stitch technology preparation multilayer to sew up old and useless textile fiber acupuncture felt to adopt vacuum bag forming process to combine hot pressing solidification to prepare old and useless fiber reinforced composite.
The utility model adopts the blind stitch process on the basis of the non-woven needling process, and solves the problem that the high-thickness needled felt cannot be produced by using the non-woven needling process only; the sewing process brings partial in-plane fibers into the thickness direction, so that the interlayer performance of the needled felt is improved, meanwhile, the stitches can sew the multi-layer needled felt into a three-dimensional integral structure, the sewed multi-layer needled felt is strong in integrity and high in thickness, the prepared composite material meets various thickness requirements, and the interlayer mechanical property is excellent.
The utility model discloses adopt hot melt sewing yarn in sewing up the technology, the hot melt yarn melting in the curing process can bond multilayer acupuncture felt for three-dimensional overall structure, and the reinforcing combined material mechanical properties of preparation is even, and mechanical properties is high in the layer and knead dough between the layer. Meanwhile, on the basis of a non-woven needling process, a sewing process is adopted to connect all parts of the composite material, special structural parts are prepared, and the parts are integrally formed according to product requirements, so that the traditional rivet mode is solved, the cost is saved, and the product weight is reduced. After the hot-melt suture line is melted, no trace is left on the surface of the composite material which is adhered with the fabric or the fiber fabric (the carbon fiber fabric or the aramid fiber fabric) printed with the customized patterns (the wood-like patterns, the stone-like patterns, the flower-like patterns and the like), so that the aesthetic property of the composite material is improved, and a new method is provided for manufacturing the waste textile fiber composite material.
The utility model discloses abandon traditional old and useless fabric and directly paste shaping, hot briquetting or vacuum bag forming process by hand, adopt vacuum bag hot briquetting technology, multilayer blind stitch needled felt is after the complete infiltration resin in the vacuum bag, hot pressing to required thickness, and the combined material fibre volume content of preparation is up to 40-80%, and the promotion of fibre volume content means that phenolic resin's volume content reduces. The production cost of the composite material can be effectively reduced by greatly reducing the content of the phenolic resin.
The phenolic resin is used as the base material, has good mechanical property and short curing time, the curing time is only 15min at 135 ℃, the production efficiency is high, and the requirement of mass production in short time of enterprises is met; the utility model discloses the principal ingredients of the old and useless fabrics of well utilization are cotton fiber, polyester fiber etc. and its spinnability is good, and the natural inflection of cotton fiber makes it have certain cohesive force, and chemical fiber possesses excellent mechanical properties. The phenolic resin has the characteristics of excellent chemical resistance and heat resistance, excellent rigidity, electric insulation, small density, corrosion resistance, moisture resistance, excellent dimensional stability, easy processing and forming and the like, and the composite material prepared from the waste textile fiber reinforced phenolic resin can simultaneously play the advantages of various components, so that the performance of the composite material is supplemented by the advantages of the components, and the composite material with excellent performance is formed. The fabric with customized patterns (wood-like texture, stone-like texture, flower-like pattern and the like) is attached to the upper surface and the lower surface of the multilayer blind stitch needled felt, the prepared textile fiber composite material can be directly used, subsequent surface treatment (such as film pasting, paint brushing and the like) is not needed, the subsequent processing cost is saved, and the multilayer blind stitch needled felt is green, environment-friendly and free of formaldehyde. The selected textile is the textile waste, so that the waste of resources can be reduced, the utilization rate of the textile waste is improved, the pollution to the environment caused by the landfill and the combustion of the textile waste can be avoided, and the win-win situation of economic and social development and ecological environment protection is achieved.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A waste textile fiber reinforced composite fabric comprises: a three-dimensional composite structure, characterized in that,
the three-dimensional composite structure comprises a plurality of needled felts and fabric layers attached to the upper surfaces and the lower surfaces of the needled felts; the number of layers of the needled felt is not less than 2, and the three-dimensional composite structure is penetrated by a plurality of stitches along the thickness direction; each needled felt is formed by needling a fiber film, and the fiber film is formed by crosswise folding a plurality of waste textile single fibers; the fabric layer is a fabric or a fiber fabric with a customized pattern; the surface of the three-dimensional composite structure is coated with a resin layer.
2. The waste textile fiber reinforced composite fabric as claimed in claim 1, wherein the waste textile fiber reinforced composite fabric is characterized in that: the sewing thread is hot melt yarn.
3. The waste textile fiber reinforced composite fabric as recited in claim 1, wherein the waste textile fiber reinforced composite fabric is characterized in that: the resin layer is phenolic resin.
4. The waste textile fiber reinforced composite fabric as claimed in claim 1, wherein the waste textile fiber reinforced composite fabric is characterized in that: the customized patterns are wood-like textures, stone-like textures and flower-like patterns.
5. The waste textile fiber reinforced composite fabric as claimed in claim 1, wherein the waste textile fiber reinforced composite fabric is characterized in that: the fiber fabric is a carbon fiber fabric or an aramid fiber fabric.
6. The waste textile fiber reinforced composite fabric as claimed in claim 1, wherein the waste textile fiber reinforced composite fabric is characterized in that: the sewing density of the needled felt is 1-25 needles/cm 2 。
7. The waste textile fiber reinforced composite fabric as claimed in claim 1, wherein the waste textile fiber reinforced composite fabric is characterized in that: the needling density of the needled felt is 1-14 needling/cm 2 。
8. The waste textile fiber reinforced composite fabric as claimed in claim 1, wherein the waste textile fiber reinforced composite fabric is characterized in that: the thickness of the three-dimensional composite structure is 2-16mm.
9. The waste textile fiber reinforced composite fabric as claimed in claim 1, wherein the waste textile fiber reinforced composite fabric is characterized in that: the thickness of the plurality of needle punched felts is 2-4mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222813925.0U CN218749690U (en) | 2022-10-25 | 2022-10-25 | Waste textile fiber reinforced composite fabric |
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| CN202222813925.0U CN218749690U (en) | 2022-10-25 | 2022-10-25 | Waste textile fiber reinforced composite fabric |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635705A (en) * | 2022-10-25 | 2023-01-24 | 西安工程大学 | Waste textile fiber reinforced composite material prepared from waste textiles and phenolic resin and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635705A (en) * | 2022-10-25 | 2023-01-24 | 西安工程大学 | Waste textile fiber reinforced composite material prepared from waste textiles and phenolic resin and preparation method thereof |
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