CN113071166A - Aluminum foil glass fiber cloth and preparation method and preparation system thereof - Google Patents
Aluminum foil glass fiber cloth and preparation method and preparation system thereof Download PDFInfo
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- CN113071166A CN113071166A CN202110487395.2A CN202110487395A CN113071166A CN 113071166 A CN113071166 A CN 113071166A CN 202110487395 A CN202110487395 A CN 202110487395A CN 113071166 A CN113071166 A CN 113071166A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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Abstract
The invention discloses an aluminum foil glass fiber cloth, which comprises a glass fiber combination layer and an aluminum foil, wherein the glass fiber combination layer is synthesized by a plurality of layers of glass fiber fabrics; the space between adjacent same-direction fiber bundles in the multi-layer glass fiber fabric is different, and the space between adjacent same-direction fiber bundles in the two layers of glass fiber fabrics at the outermost side is zero; the arrangement mode can ensure that certain air is reserved in the glass fiber combination layer, the heat preservation performance is good, and in addition, the method and the system for preparing the aluminum foil glass fiber cloth are also disclosed.
Description
Technical Field
The invention relates to the field of heat-preservation, heat-insulation and fireproof materials, in particular to aluminum foil glass fiber cloth capable of preserving heat, insulating heat and preventing fire, and a preparation method and a preparation system thereof.
Background
The heat preservation and insulation are problems relating to a plurality of production fields, and the heat preservation of building walls, the heat preservation of long-distance transmission, the heat preservation of ultralow temperature or high temperature objects, the fire prevention of fire and the like all put forward requirements on the fire prevention and insulation.
The aluminum foil glass fiber cloth made of the aluminum foil composite glass fiber is a material capable of effectively preventing fire and insulating heat, and is widely applied to actual production, but the conventional aluminum foil glass fiber cloth is simple in preparation process, generally poor in heat insulation effect, good in heat insulation effect, complex in process, low in production efficiency or expensive in material consumption.
Disclosure of Invention
The invention provides an aluminum foil glass fiber cloth: comprises a glass fiber combination layer synthesized by a plurality of layers of glass fiber fabrics and an aluminum foil;
the space between adjacent equidirectional fiber bundles in the multi-layer glass fiber fabric is different, wherein the space between adjacent equidirectional fiber bundles in the two layers of glass fiber fabrics at the outermost side is zero;
thermoplastic materials are arranged between layers of the multilayer glass fiber fabric for facilitating pressing, and the multilayer glass fiber fabric is sewn through heat-resistant sewing threads;
and heat-resistant viscose or thermoplastic material is arranged between the glass fiber combination layer and the aluminum foil.
Furthermore, the space between adjacent fiber bundles of the multilayer glass fiber fabric is gradually decreased from the middle of the thickness of the glass fiber composite layer to two sides until the space between the adjacent fiber bundles is zero.
Furthermore, a waterproof layer is arranged between the aluminum foil and the glass fiber composite layer, and preferably, the outer side surfaces of two layers of the multilayer glass fiber fabric positioned at the outermost side are coated with waterproof high-temperature-resistant materials.
Further, the aluminum foil glass fiber cloth is sewn at the side edges in the length direction with heat-resistant sewing threads.
In addition, the invention also discloses a preparation method of the aluminum foil glass fiber cloth, which comprises the following steps of firstly, fusing the multilayer glass fiber fabric with different fiber bundle spacing and zero outermost layer fiber bundle spacing with the thermoplastic film positioned between the layers of the multilayer glass fiber fabric in a hot pressing manner; then, sewing the multiple layers of glass fiber fabrics which are fused together by hot pressing for multiple times along the length direction; thirdly, flattening the sewn multilayer glass fiber fabric and performing at least one rolling; and finally, stitching the two side edges of the aluminum foil glass fiber cloth after the aluminum foil is pressed.
The invention also discloses a preparation system of the aluminum foil glass fiber cloth, which comprises a glass fiber combination layer preparation part, an aluminum foil material preparation part, an aluminum foil glass fiber combination part and a winding part;
the glass fiber combination layer preparation part comprises a pressing part and a sewing part;
the pressing part can heat the glass fiber fabrics and the thermoplastic material positioned between the glass fiber fabrics, so that the thermoplastic material is melted to bond the multiple layers of glass fiber fabrics;
the sewing part comprises a sewing device for sewing a plurality of layers of glass fiber fabrics;
the aluminum foil stock preparation part is used for preparing an aluminum foil with high-temperature-resistant viscose glue or providing the aluminum foil and thermoplastic materials;
the aluminum foil glass fiber combination part mainly comprises a main pressing roller, an auxiliary pressing roller and a pre-pressing roller, wherein the auxiliary pressing roller and the pre-pressing roller are arranged on two sides of the main pressing roller, and the auxiliary pressing roller and the pre-pressing roller are symmetrical with respect to the axis position of the main pressing roller.
The rolling part is used for rolling the aluminum foil glass fiber cloth.
Further, the aluminum foil glass fiber combination part also comprises a sewing device for sewing two sides of the aluminum foil glass fiber cloth.
The invention has the beneficial effects that: the aluminum foil glass fiber cloth disclosed by the invention is simple in preparation process, high in production efficiency and good in heat preservation and insulation effects.
In addition, the multilayer glass fiber fabrics are firstly thermally sealed by thermoplastic materials and then sewn by high-temperature-resistant threads, so that the temperature-resistant time of the aluminum foil glass fiber fabrics is prolonged, the temperature-resistant effect is better, the working continuity of the whole system is good, and the production efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an aluminum foil fiberglass cloth provided by the present invention;
FIG. 2 is a schematic structural view of one embodiment of a multiple layer fiberglass fabric;
fig. 3 is a schematic diagram of an embodiment of a system for preparing aluminum foil fiberglass cloth according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of an aluminum foil fiberglass cloth provided by the present invention.
It comprises a glass fiber composite layer 1 composed of multiple layers of glass fiber fabric (cloth-like fabric woven from glass fibers) and a metal reflective layer 2. The metal reflecting layer 2 is preferably an aluminum foil which is light in weight, large in specific heat capacity, good in surface reflectivity and less in heat absorption to heat transferred in a heat radiation mode.
The interbeam spacing between adjacent transverse and longitudinal fiber bundles (herein, the interbeam spacing is the spacing between the adjacent transverse fiber bundles and the transverse fiber bundles, and the spacing between the longitudinal fiber bundles and the longitudinal fiber bundles, i.e., the characteristic of the adjacent same-direction fiber bundles) of the multi-layer glass fiber fabric is different, the interbeam spacing between adjacent fiber bundles in the outermost two layers of glass fiber fabrics is zero, and the interbeam spacing between fiber bundles of the glass fiber fabric between the outermost two layers of glass fiber fabrics is not as zero as possible.
Figuratively, referring to fig. 2, fig. 2 shows a schematic view of an embodiment of a glass fiber composite layer, in which the glass fiber composite layer is composed of three layers of glass fiber fabrics, adjacent fiber bundles of the outermost two layers of glass fiber fabrics are closely adjacent to each other with zero interbeam spacing, as indicated by reference numerals 4 and 6, and interbeam spacing of the middle layer of glass fiber fabrics is not zero, as indicated by reference numeral 5, and in which neither interbeam spacing of the transverse or longitudinal fiber bundles is zero, but in other embodiments, it is possible that neither transverse nor longitudinal is zero, and neither longitudinal nor transverse. The space between the bundles is not zero, so that a certain amount of gas is contained in the glass fiber composite layer, and the gas has higher specific heat capacity and is a good heat-insulating material.
Preferably, the distance between adjacent fiber bundles of the multilayer glass fiber fabric decreases from the middle of the thickness of the glass fiber composite layer to both sides until the distance between adjacent fiber bundles is zero.
In the present invention, the glass fiber composite layer is sewn together, and preferably, before sewing, a thermoplastic film is disposed between two glass fiber fabrics, and the plurality of glass fiber fabrics are integrated by hot pressing and then sewn together.
The advantage of using the thermoplastic film to carry out hot pressing on the multilayer glass fiber fabric firstly is that the air tightness of the finished glass fiber combination layer is improved, and the sewing procedure of the glass fiber combination layer at the later stage is facilitated.
The sewing material is preferably glass fiber, and the like, and further, the outer layer of the glass fiber may be coated with a heat insulating material to further improve heat resistance.
The thermoplastic film may be made of acrylic resin, polyester film, or the like.
The combination of the multiple layers of glass fiber fabrics by adopting the sewing process not only has the advantage that the combination between the glass fiber combination layers is tight and not easy to disperse, but also has the following advantages for the situation that the multiple layers of glass fiber fabrics are hot-pressed by a thermoplastic film: the temperature resistance requirement on the material of the thermoplastic film can be relatively reduced, or in the case of using certain thermoplastic film for hot-press compounding, the temperature resistance time of the glass fiber combination layer can be relatively improved by using a sewing process, because even if the thermoplastic films between the layers are melted due to high temperature, the multilayer glass fiber still has good stability under the constraint of the sewing line.
Preferably, a waterproof layer 3 is disposed between the aluminum foil and the glass fiber composite layer 1, and the waterproof layer 3 may be disposed separately, or a waterproof material may be coated on the outer side of the glass fiber composite layer 1 (i.e. the upper side of the uppermost glass fiber fabric and the lower side of the lowermost glass fiber fabric) to achieve a waterproof effect and reduce corrosion to the aluminum foil.
The metal reflective layer 2 in the embodiment shown in fig. 1 is provided with two layers, which may also be provided with one layer.
The sides of the aluminum foil glass cloth (the left and right sides of the aluminum foil glass cloth when viewed in the longitudinal direction of the aluminum foil glass cloth) are sewn together, and similarly, the aluminum foil glass cloth is sewn together using a glass fiber bundle or the like.
The invention discloses a preparation process of aluminum foil glass fiber cloth, which comprises the following steps:
firstly, fusing a multilayer glass fiber fabric with different space between fiber bundles and zero space between outermost fiber bundles and a thermoplastic film positioned between the layers of the multilayer glass fiber fabric in a hot pressing manner;
subsequently, the multiple layers of glass fiber fabrics which are hot-pressed together are sewn along the length direction (or along the running direction) for multiple times;
furthermore, the sewn multilayer glass fiber fabric is flattened and rolled for at least one time, so that the multilayer glass fiber fabric is more smooth and is convenient to be compounded with an aluminum foil;
and finally, compounding with aluminum foil. The aluminum foil can be compounded with the aluminum foil by hot-pressing and fusing thermoplastic materials, or the surface of the aluminum foil can be coated with high-temperature resistant viscose, such as high-temperature resistant epoxy glue, and then the aluminum foil is pressed with the multilayer glass fiber fabric. Furthermore, a sewing procedure can be set after the pressing, and two side edges of the aluminum foil glass fiber cloth are sewn by sewing equipment.
The present invention also discloses a system for preparing the foregoing aluminum foil fiberglass cloth, and an embodiment of the system will be described with reference to the accompanying drawings, specifically referring to fig. 3, and the embodiment shown in fig. 3 is that an aluminum foil is laminated with multiple layers of glass fiber fabrics by coating a high temperature resistant adhesive, which is only one embodiment disclosed in the present invention. In addition, the multilayer glass fiber fabric in the embodiment is an example of a three-layer glass fiber fabric, and in actual operation, the number of layers is selected according to actual requirements.
The system mainly comprises a glass fiber combined layer preparation part 7, an aluminum foil material preparation part 8, an aluminum foil glass fiber combination part 9 and a winding part 10.
The glass fiber composite layer preparation part 7 in the embodiment mainly includes a press-fit part 71 and a sewn part 72. The pressing portion 71 mainly heats the glass fiber fabric and the thermoplastic material to melt the thermoplastic material and bond the multiple layers of glass fiber fabrics, and specifically includes a first glass fiber fabric unwinding roller 711, a first thermoplastic film unwinding roller 712, a second glass fiber fabric unwinding roller 713, a second thermoplastic film unwinding roller 714, and a third glass fiber fabric unwinding roller 715, where each of the glass fiber fabric unwinding rollers and each of the thermoplastic film unwinding rollers are disposed at intervals so that each of the glass fiber fabrics and each of the thermoplastic films can be stacked at intervals.
Each fiberglass fabric is aligned and superposed with each thermoplastic film after being conditioned by conditioning roll 716. In actual operation, after each glass fiber fabric and each thermoplastic film are unreeled, components such as deviation rectification and tension can be passed through, and the effect of alignment and superposition can be better achieved under the combined action of the components and the adjusting roller.
The aligned glass fiber fabrics and thermoplastic films are hot-pressed and compounded by first and second hot-pressing rollers 717 and 718.
The stitching portion 71 may be arranged as described above (as a part of the whole system, directly connected to other processes), but it may also be arranged separately, i.e. rolled up after stitching is completed, and then unrolled for stitching until the stitching process. The other parts in the system are the same as the pressing part, can be arranged in an all-in-one machine mode or in an independent mode, when the pressing part and the pressing part are arranged integrally, the matching requirement between all parts is low, when the pressing part and the pressing part are arranged integrally, the matching requirement between all parts is high, but the steps of rolling and unreeling are saved, and the efficiency is increased.
When the multilayer glass fiber fabric is thermally compounded, one part can be compounded first, and then the other part is compounded, and the thermal compounding in the embodiment of fig. 3 is that: the first glass fiber fabric and the second glass fiber fabric are subjected to hot-pressing compounding, and then are compounded with the third glass fiber fabric, so that the alignment difficulty can be reduced.
The multilayer glass fiber fabric after the hot pressing is sewed through the sewing part 72, and the sewing part 72 mainly includes a sewing device for sewing the multilayer glass fiber fabric. In order to make the glass fiber fabric tightly combined, a plurality of sewing threads are preferably arranged, namely a plurality of sewing needles are sequentially arranged along the direction perpendicular to the material advancing direction, and the glass fiber fabric is subjected to a plurality of sewing threads.
And turning the sewed glass fiber fabric by a turning roller and then entering the next process.
The aluminum foil stock section 8 includes an aluminum foil unwinding roller 81, a glue application roller 82, a glue tank 83, a turning roller 84, and a doctor blade 85. The aluminum foil unreeling roller 81 unreels the aluminum foil 86, the unreeled aluminum foil 86 is wound through the glue adhering roller 82, the glue adhering roller 82 adheres glue from the glue groove 83, then a scraper 85 scrapes off part of glue to avoid excessive glue adhering to the aluminum foil 86, the aluminum foil 86 coated with a layer of glue is wound through the turning roller 84, the glue adhesion surface is opposite to the sewed glass fiber fabric, and then the aluminum foil enters the aluminum foil glass fiber combination part 9. In practice, some tension rollers or adjusting rollers are sometimes needed, and are not described in detail herein.
The aluminum foil glass fiber bonding part 9 mainly comprises a main pressing roller 91, an auxiliary pressing roller 92 and a pre-pressing roller 93, wherein the auxiliary pressing roller 92 and the pre-pressing roller 93 are arranged on two sides of the main pressing roller 91 and are symmetrical with respect to the axial position of the main pressing roller 91. The sewed glass fiber fabric is flattened and pre-pressed between the pre-pressing roller 93 and the main pressing roller 91, so that the problem of poor quality of the sewed multilayer glass fiber fabric compounded with the aluminum foil due to unevenness is effectively solved. Further, for effective flattening, the pre-press roller 93 may be provided in a drum shape having a larger middle diameter and smaller ends.
In another embodiment, the flattening function can be stripped off from the pre-press roll 93, with a flattening roll being arranged before the pre-press roll 93.
In other embodiments, the pre-press rollers 93 may be configured to include a heating function that causes the thermoplastic material in the multi-layer glass fiber fabric to be nearly melted, and then, after curing with a decrease in temperature, the suture thread position may be cured. A specific operation may heat the pre-press roll 93 using a hot fluid.
Further, the aluminum foil glass fiber bonding part 9 further includes a sewing device 94 for sewing both sides of the aluminum foil glass fiber cloth.
The winding part 10 winds the aluminum foil glass fiber cloth after the compounding.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The aluminum foil glass fiber cloth is characterized in that: comprises a glass fiber combination layer synthesized by a plurality of layers of glass fiber fabrics and an aluminum foil;
the space between adjacent equidirectional fiber bundles in the multilayer glass fiber fabric is different, wherein the space between adjacent equidirectional fiber bundles in the two layers of glass fiber fabrics at the outermost side is zero;
thermoplastic materials are arranged between layers of the multilayer glass fiber fabric so as to be convenient for pressing, and the multilayer glass fiber fabric is sewn through heat-resistant sewing threads;
and heat-resistant viscose or thermoplastic material is arranged between the glass fiber combination layer and the aluminum foil.
2. The aluminum foil fiberglass cloth of claim 1, wherein: the space between adjacent fiber bundles of the multilayer glass fiber fabric is gradually decreased from the middle of the thickness of the glass fiber composite layer to two sides until the space between the adjacent fiber bundles is zero.
3. The aluminum foil fiberglass cloth of claim 1, wherein: and a waterproof layer is arranged between the aluminum foil and the glass fiber combination layer, and preferably, the outer side surfaces of two layers of the multilayer glass fiber fabric positioned at the outermost side are coated with waterproof high-temperature-resistant materials.
4. The aluminum foil fiberglass cloth of claim 1, wherein: the side edges of the aluminum foil glass fiber cloth along the length direction are sewed by heat-resistant sewing threads.
5. The preparation method of the aluminum foil glass fiber cloth is characterized by comprising the following steps of:
firstly, fusing a multilayer glass fiber fabric with different space between fiber bundles and zero space between outermost fiber bundles and a thermoplastic film positioned between the layers of the multilayer glass fiber fabric in a hot pressing manner;
then, sewing the multiple layers of glass fiber fabrics which are fused together by hot pressing for multiple times along the length direction;
thirdly, flattening the sewn multilayer glass fiber fabric and performing at least one rolling;
and finally, stitching the two side edges of the aluminum foil glass fiber cloth after the aluminum foil is pressed.
6. The preparation system of aluminium foil glass fiber cloth which characterized in that:
the aluminum foil glass fiber composite material winding device comprises a glass fiber composite layer preparation part, an aluminum foil material preparation part, an aluminum foil glass fiber combination part and a winding part;
the glass fiber combination layer preparation part comprises a pressing part and a sewing part;
the pressing part can heat the glass fiber fabrics and the thermoplastic material positioned between the glass fiber fabrics, so that the thermoplastic material is melted to bond the multiple layers of glass fiber fabrics;
the sewing part comprises a sewing device for sewing a plurality of layers of glass fiber fabrics;
the aluminum foil stock preparation part is used for preparing an aluminum foil with high-temperature-resistant viscose glue or providing the aluminum foil and thermoplastic materials;
the aluminum foil glass fiber combination part mainly comprises a main pressing roller, an auxiliary pressing roller and a pre-pressing roller, wherein the auxiliary pressing roller and the pre-pressing roller are arranged on two sides of the main pressing roller, and the auxiliary pressing roller and the pre-pressing roller are symmetrical with respect to the axis position of the main pressing roller;
the rolling part is used for rolling the aluminum foil glass fiber cloth.
7. The system for preparing aluminum foil fiberglass cloth according to claim 6, wherein: the aluminum foil glass fiber combination part also comprises sewing equipment for sewing two sides of the aluminum foil glass fiber cloth.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110487395.2A CN113071166A (en) | 2021-05-06 | 2021-05-06 | Aluminum foil glass fiber cloth and preparation method and preparation system thereof |
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| CN202110487395.2A CN113071166A (en) | 2021-05-06 | 2021-05-06 | Aluminum foil glass fiber cloth and preparation method and preparation system thereof |
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