CN111731084B - Automobile sun shield and preparation method thereof - Google Patents

Automobile sun shield and preparation method thereof Download PDF

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Publication number
CN111731084B
CN111731084B CN202010707288.1A CN202010707288A CN111731084B CN 111731084 B CN111731084 B CN 111731084B CN 202010707288 A CN202010707288 A CN 202010707288A CN 111731084 B CN111731084 B CN 111731084B
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China
Prior art keywords
glass fiber
fiber material
layer
material layer
sun visor
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CN202010707288.1A
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Chinese (zh)
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CN111731084A (en
Inventor
杨晓杰
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Hubei Jixing Auto Parts Co ltd
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Hubei Jixing Auto Parts Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
    • B60J7/0007—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs moveable head-liners, screens, curtains or blinds for ceilings
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • 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
    • B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
    • 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
    • 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
    • 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
    • B32B5/022—Non-woven fabric
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides an automobile sun shield and a preparation method thereof. The automobile sun shield comprises a first decoration fabric layer, a first non-ventilation film layer, a first local glass fiber material layer, a first integral glass fiber material layer, a matrix layer, a second integral glass fiber material layer, a second local glass fiber material layer, a second non-ventilation film layer and a second decoration fabric layer which are sequentially laminated; the first local glass fiber material layer, the first integral glass fiber material layer, the matrix layer, the second integral glass fiber material layer and the second local glass fiber material layer are bonded through an adhesive. The automobile sun shield is obtained by preprocessing each layer of material, sequentially laying, hot-pressing, molding and cooling and shaping. The sun shield provided by the invention can not only meet the overall high-strength performance index of the sun shield of the automobile sunroof, but also effectively reduce the overall weight of the sun shield and the cost.

Description

Automobile sun shield and preparation method thereof
Technical Field
The invention belongs to the technical field of automotive upholstery, and particularly relates to an automotive sun visor and a preparation method thereof.
Background
Automobiles are becoming more and more popular in modern society, and become an indispensable transportation means in people's life. The sunroof is installed at the car top usually, can make the interior air circulation of car effectively, increases the entering of fresh air, brings healthy, comfortable enjoyment for the passenger. Meanwhile, the automobile window can also widen the field of view, and is commonly used for shooting requirements of mobile shooting. Because the skylight is arranged at the top of the automobile, sunlight can penetrate through the skylight and directly penetrate into the automobile to influence the riding of passengers, and therefore, the skylight is generally provided with a sun shield for shielding the sunlight.
Conventional automotive sunroof includes a slide rail, a motor, a glass plate, and a sun visor assembly. The sunroof sun shield comprises a sunroof frame, a front sun shield and a rear sun shield, sliding rails are arranged on the left side and the right side of the sunroof frame in parallel, the front sun shield and the rear sun shield are respectively arranged on the sliding rails through sliding carriages, and handles are respectively arranged on the front sun shield and the rear sun shield. When the sun-shading device is used, the sun-shading board of the skylight can be opened by pulling the handle so as to play a role in shading sunlight. When the sun shield is opened, the rear side of the front sun shield is spliced with the front side of the rear sun shield, so that sunlight projected from the skylight is shielded. When the sun visor is closed, the front sun visor slides under the roof panel in front of the sunroof, and the rear sun visor slides under the roof panel behind the sunroof.
The sun shield of the automobile sunroof is generally arranged at the automobile sunroof mechanism and plays roles of heat insulation, sound insulation and beautification. In the era of increasingly pursuing high performance, environmental protection, energy saving, light weight and individuation, the interior trim of an automobile is the same as the appearance of the automobile, and becomes an important factor for people to purchase the automobile. The requirements for automotive interior parts are also increasing.
Automobile sunroof sun visors often have high strength performance requirements. If the carrying capacity of the sun visor is to be improved, the amount of material to be used is increased, which is disadvantageous for the weight reduction of the product and occupies more space in the vehicle. Accordingly, there is a need in the art for a sunroof visor for an automobile that has both high strength and meets the requirement for light weight.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide an automobile sun visor and a preparation method thereof. The sun shield can meet the overall high-strength performance index of the sun shield of the automobile sunroof, effectively reduce the overall weight of the sun shield and reduce the cost.
To achieve the purpose, the invention adopts the following technical scheme:
the invention provides an automobile sun visor, which is characterized by comprising a first decoration fabric layer, a first non-ventilation film layer, a first local glass fiber material layer, a first integral glass fiber material layer, a substrate layer, a second integral glass fiber material layer, a second local glass fiber material layer, a second non-ventilation film layer and a second decoration fabric layer which are sequentially laminated;
the first local glass fiber material layer, the first integral glass fiber material layer, the matrix layer, the second integral glass fiber material layer and the second local glass fiber material layer are bonded through an adhesive.
In the present invention, the first partial glass fiber material layer and the second partial glass fiber material layer are respectively made of glass fiber materials adhered to the partial areas on the first non-ventilation film layer and the second non-ventilation film layer. The first and second integral glass fiber material layers are respectively composed of glass fiber materials adhered to the whole surfaces of two sides of the substrate layer. If not specified, other layers occupy the whole area of the automobile sun visor.
The area where the first local glass fiber material layer and the second local glass fiber material layer are located is an area with higher strength requirement for the automobile sun visor, and the area can be a single area or a set of a plurality of mutually independent areas, and can be set according to actual needs by a person skilled in the art.
According to the invention, the glass fiber material structure is locally arranged instead of the glass fiber material structure arranged on the whole surface, so that the high-strength performance index of the whole automobile sun visor is met, the whole weight of the sun visor is effectively reduced, and the cost is reduced.
As a preferable technical scheme of the invention, the surface density of the first partial glass fiber material layer and the second partial glass fiber material layer is respectively 150-200g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the For example 150g/m 2 、160g/m 2 、170g/m 2 、180g/m 2 、190g/m 2 Or 200g/m 2 Etc.
Preferably, the surface density of the first and second integral glass fiber material layers is 500-600g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the For example 150g/m 2 、160g/m 2 、170g/m 2 、180g/m 2 、190g/m 2 Or 200g/m 2 Etc.
Preferably, the glass fiber materials of the first partial glass fiber material layer, the second partial glass fiber material layer, the first integral glass fiber material layer and the second integral glass fiber material layer are glass fiber felts.
As a preferred embodiment of the present invention, the material of the first and second decorative layers is, each independently, a needled nonwoven fabric, a knitted fabric, a nonwoven fabric, or a printed nonwoven fabric.
Preferably, the thickness of the first decorative layer is 2.5-3.5mm; for example, it may be 2.5mm, 2.6mm, 2.8mm, 2.9mm, 3mm, 3.2mm, 3.3mm or 3.5mm.
Preferably, the thickness of the second decorative layer is 1-1.5mm; for example, it may be 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, or the like.
As a preferable technical scheme of the invention, the materials of the first non-ventilation film layer and the second non-ventilation film layer are respectively a PE film or a PE/PA/PE composite film.
Preferably, the thickness of the first non-venting film layer and the second non-venting film layer is 0.2-0.3mm each independently; for example, it may be 0.2mm, 0.22mm, 0.25mm, 0.28mm, 0.3mm, or the like.
As a preferable technical scheme of the invention, the material of the matrix layer is polyurethane.
Preferably, the thickness of the substrate layer is 5.5-7.5mm; for example, 5.5mm, 5.8mm, 6mm, 6.2mm, 6.5mm, 6.8mm, 7mm, 7.2mm, 7.5mm, etc. can be used.
In a second aspect, the present invention provides a method for preparing a sun visor for an automobile according to the first aspect, wherein the preparation method includes the steps of:
(1) Pretreatment:
glue rolling and heating are carried out on a single surface of the glass fiber material, so that the glued glass fiber material for the first partial glass fiber material layer, the second partial glass fiber material layer, the first integral glass fiber material layer and the second integral glass fiber material layer is prepared respectively;
spraying softened water on the surface of the matrix material to perform softening treatment;
(2) And (3) material laying: sequentially laying the glued glass fiber material obtained in the step (1), the softened matrix material, the first decoration fabric layer material, the second decoration fabric layer material, the first non-ventilation film layer material and the second non-ventilation film layer material, wherein the glued glass fiber material is arranged with a glue layer facing the first decoration fabric layer;
(3) Hot press molding: carrying out hot press molding on the composite material obtained in the step (2) in a mold to obtain a semi-finished product of the sun shield;
(4) Cooling and shaping: and (3) vacuum adsorbing, cooling and shaping the semi-finished product of the sun shield obtained in the step (3) to obtain the automobile sun shield.
As a preferred embodiment of the present invention, the step (1) of the glue rolling and the heating are performed in a glue rolling machine.
Preferably, the distance between the upper roller and the lower roller of the rubber rolling machine is 0.1-0.5 mm; for example, it may be 0.1mm, 0.15mm, 0.2mm, 0.25mm, 0.3mm, 0.35mm, 0.4mm, 0.45mm or 0.5mm.
Preferably, the frequency of a roller motor of the glue rolling machine is 20-40 Hz; for example, it may be 20Hz, 22Hz, 25Hz, 28Hz, 30Hz, 32Hz, 35Hz, 38Hz, 40Hz, etc.
Preferably, the temperature of the heating in step (1) is 40-50 ℃; for example, 40℃41℃42℃43℃44℃45℃46℃47℃48℃49℃50℃and the like can be used.
Preferably, the glue coating amount of the glue rolling in the step (1) is 30-90 g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the For example, 30g/m 2 、35g/m 2 、40g/m 2 、45g/m 2 、50g/m 2 、55g/m 2 、60g/m 2 、65g/m 2 、70g/m 2 、75g/m 2 、80g/m 2 、85g/m 2 Or 90g/m 2 Etc.
Preferably, the glue used in the step (1) is polyurethane adhesive.
Preferably, the spraying of the softened water in step (1) is performed in a water softener.
Preferably, the motor frequency of the water softener when spraying softened water is 40-60 Hz; for example, 40Hz, 42Hz, 45Hz, 48Hz, 50Hz, 52Hz, 55Hz, 58Hz, 60H, etc.
Preferably, the softened water in step (1) is sprayed in an amount of 30 to 40g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the For example, 30g/m 2 、32g/m 2 、33g/m 2 、35g/m 2 、36g/m 2 、38g/m 2 Or 40g/m 2 Etc.
As a preferred embodiment of the present invention, the mold in the step (3) includes an upper mold and a lower mold, and the temperature of the upper mold is 120 to 130 ℃, for example, 120 ℃, 121 ℃, 122 ℃, 123 ℃, 124 ℃, 125 ℃, 126 ℃, 127 ℃, 128 ℃, 129 ℃, 130 ℃, or the like; the temperature of the lower mold is 135 to 145 ℃, and may be 135 ℃, 136 ℃, 137 ℃, 138 ℃, 139 ℃, 140 ℃, 141 ℃, 142 ℃, 143 ℃, 144 ℃, 145 ℃, or the like, for example.
Preferably, the pressure of the hot press molding in the step (3) is 6-15 MPa; for example, 6MPa, 7MPa, 8MPa, 9MPa, 10MPa, 11MPa, 12MPa, 13MPa, 14MPa, 15MPa, or the like can be used.
Preferably, the time of the hot press molding in the step (3) is 40-90 s; for example, 40s, 45s, 50s, 55s, 60s, 65s, 70s, 75s, 80s, 85s or 90s, etc. may be mentioned.
Preferably, the cooling and shaping time in the step (4) is more than or equal to 30s; for example, 30s, 35s, 40s, 45s, 50s, 55s, 60s, 65s, 70s, 75s, 80s, 85s, 90s, 95s or 100s, etc. may be used.
Preferably, the vacuum degree of the vacuum adsorption in the step (4) is 0.3-0.7 Mbar; for example, 0.3 Mar, 0.35 Mar, 0.4 Mar, 0.45 Mar, 0.5 Mar, 0.55 Mar, 0.6 Mar, 0.65 Mar, or 0.7 Mar, etc. may be used.
As a preferable technical scheme of the invention, the preparation method further comprises the following step (5): cutting the semi-finished product of the sun shield cooled and shaped in the step (4) by a water knife to form.
Preferably, the water pressure of the cutting is 40000-50000 psi, such as 40000psi, 42000psi, 43000psi, 45000psi, 46000psi, 48000psi or 50000psi, etc.; the air pressure is 0.4 to 0.8MPa, and may be, for example, 0.4MPa, 0.45MPa, 0.5MPa, 0.55MPa, 0.6MPa, 0.65MPa, 0.7MPa, 0.75MPa, 0.8MPa, or the like.
As a preferable technical scheme of the invention, the preparation method comprises the following steps:
(1) Pretreatment:
the single-sided glue rolling and heating of the glass fiber material are performed by a glue rolling machine, the heating temperature is controlled to be 40-50 ℃, the frequency of a roller motor is 20-40 Hz, the distance between an upper roller and a lower roller of the glue rolling machine is 0.1-0.5 mm, and the glue feeding amount is 30-90 g/m 2 Preparing a glued glass fiber material for the first partial glass fiber material layer, the second partial glass fiber material layer, the first integral glass fiber material layer and the second integral glass fiber material layer respectively;
spraying softened water on the surface of the substrate, controlling the frequency of the motor to be 40-60 Hz, and controlling the spraying amount of the softened water to be 30-40 g/m 2 Softening treatment is carried out;
(2) And (3) material laying: sequentially laying the glued glass fiber material obtained in the step (1), the softened matrix material, the first decoration fabric layer material, the second decoration fabric layer material, the first non-ventilation film layer material and the second non-ventilation film layer material, wherein the glued glass fiber material is arranged with a glue layer facing the first decoration fabric layer;
(3) Hot press molding: performing hot press molding on the composite material obtained in the step (2) in a mold, wherein the mold comprises an upper mold and a lower mold, the temperature of the upper mold is 120-130 ℃, the temperature of the lower mold is 135-145 ℃, the molding pressure is 6-15 MPa, and the molding time is 40-90 s, so that a semi-finished sunshading board is obtained;
(4) Cooling and shaping: vacuum adsorbing, cooling and shaping the semi-finished sun visor obtained in the step (3), wherein the vacuum degree is 0.3-0.7 Mbar, and the cooling and shaping time is more than or equal to 30s;
(5) Cutting and forming: cutting the semi-finished product of the sun shield cooled and shaped in the step (4) by a water knife to form, wherein the water pressure of the cutting is 40000-50000 psi, and the air pressure is 0.4-0.8 MPa, so as to obtain the sun shield for the automobile.
Compared with the prior art, the invention has the following beneficial effects:
the automobile sun shield provided by the invention adopts the structure that the glass fiber material is locally arranged instead of the structure that the glass fiber material is arranged on the whole surface, so that the high-strength performance index of the whole automobile sun shield can be met, the whole weight of the sun shield can be effectively reduced, and the cost is reduced. The sun shield of the skylight produced by adopting the glass fiber glue rolling process cannot break or sag; the semi-finished products are not piled in the middle, so that the bad quantity of products caused by insufficient rigidity is reduced, and the manufacturing cost is saved; no harmful substances are produced in the whole production process of the product.
Drawings
Fig. 1 is a schematic structural view of a sun visor for an automobile sunroof according to an embodiment of the present invention;
wherein 1 is a first decoration layer, 2 is a first non-ventilation film layer, 3 is a first local glass fiber material layer, 4 is a first integral glass fiber material layer, 5 is a substrate layer, 6 is a second integral glass fiber material layer, 7 is a second local glass fiber material layer, 8 is a second non-ventilation film layer, and 9 is a second decoration layer.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings. It should be apparent to those skilled in the art that the detailed description is merely provided to aid in understanding the invention and should not be taken as limiting the invention in any way.
Example 1
The embodiment provides an automobile sunroof sun shield, as shown in fig. 1, which comprises a first decoration surface layer 1, a first non-ventilation film layer 2, a first local glass fiber material layer 3, a first integral glass fiber material layer 4, a substrate layer 5, a second integral glass fiber material layer 6, a second local glass fiber material layer 7, a second non-ventilation film layer 8 and a second decoration surface layer 9 which are sequentially stacked;
the first partial glass fiber material layer, the first integral glass fiber material layer, the base layer, the second integral glass fiber material layer and the second partial glass fiber material layer are bonded by an adhesive (the adhesive layer is not shown in fig. 1).
The preparation method of the automobile sunroof sun shield comprises the following steps:
(1) Pretreatment:
the single-sided glue rolling (Basf 1974 glue) and heating of the glass fiber material (glass fiber felt) are carried out by a glue rolling machine, the heating temperature is controlled to be 40 ℃, the frequency of a roller motor is 20Hz, the distance between an upper roller and a lower roller of the glue rolling machine is 0.3mm, and the glue feeding amount is 60g/m 2 For the first partial glass fiber material layer 3 (surface density 150g/m 2 ) A second partial glass fiber material layer 7 (surface density 150g/m 2 ) A first monolithic glass fiber material layer 4 (areal density 500g/m 2 ) And a second layer 6 of monolithic glass fiber material (with an areal density of 500g/m 2 ) Is made of glass fiber material with rubber;
spraying softened water on the surface of a base material (low density PU foam molding material, thickness of 6 mm) by using a water softener, controlling the frequency of a motor to be 40Hz, and spraying the softened water at 30g/m 2 Softening treatment is carried out;
(2) And (3) material laying: sequentially laying the glued glass fiber material obtained in the step (1), the softened matrix material, a first decoration fabric layer material (printed non-woven fabric, thickness of 2.5 mm), a second decoration fabric layer material (non-woven fabric, thickness of 1 mm), a first non-air-permeable membrane layer material (PE membrane, thickness of 0.2 mm) and a second non-air-permeable membrane layer material (PE membrane, thickness of 0.2 mm), wherein the glued glass fiber material is arranged with a glue layer facing the first decoration fabric layer;
(3) Hot press molding: performing hot press molding on the composite material obtained in the step (2) in a mold, wherein the mold comprises an upper mold and a lower mold, the temperature of the upper mold is 120 ℃, the temperature of the lower mold is 145 ℃, the molding pressure is 6.5MPa, and the molding time is 60s, so as to obtain a semi-finished product of the sun visor;
(4) Cooling and shaping: vacuum-adsorbing, cooling and shaping the semi-finished sun shield product obtained in the step (3), wherein the vacuum degree is 0.6Mbar, and the cooling and shaping time is 40s;
(5) Cutting and forming: cutting the semi-finished product of the sun visor subjected to cooling and shaping in the step (4) by using a water knife to form (the specification is 946mm multiplied by 472 mm), wherein the water pressure of the cutting is 40000psi, and the air pressure is 0.8MPa, so as to obtain the sun visor for the automobile;
(6) And (3) checking: checking whether the sun shield of the automobile sunroof has the defects of smooth surface, damage, breakage, crease, concave-convex base material, bubbles, glue marks or uneven color tone; the surface is smooth, and the product is a qualified product without the defects;
(7) Boxing and warehousing: and (5) boxing the sun shield of the automobile skylight according to the technical standard of packaging, and warehousing according to 30 pcs/box.
The sunroof sun visor provided by the embodiment adopts the structure that the glass fiber material is locally arranged to replace the structure that the glass fiber material is arranged on the whole surface, so that the sunroof sun visor can not only meet the overall high-strength performance index of the sunroof sun visor, but also effectively reduce the overall weight of the sun visor and the cost. The sun shield of the skylight produced by adopting the glass fiber glue rolling process cannot break or sag; the semi-finished products are not piled in the middle, so that the bad quantity of products caused by insufficient rigidity is reduced, and the manufacturing cost is saved; no harmful substances are produced in the whole production process of the product.
Example 2
The embodiment provides an automobile sunroof sun shield, as shown in fig. 1, which comprises a first decoration surface layer 1, a first non-ventilation film layer 2, a first local glass fiber material layer 3, a first integral glass fiber material layer 4, a substrate layer 5, a second integral glass fiber material layer 6, a second local glass fiber material layer 7, a second non-ventilation film layer 8 and a second decoration surface layer 9 which are sequentially stacked;
the first partial glass fiber material layer, the first integral glass fiber material layer, the base layer, the second integral glass fiber material layer and the second partial glass fiber material layer are bonded by an adhesive (the adhesive layer is not shown in fig. 1).
The preparation method of the automobile sunroof sun shield comprises the following steps:
(1) Pretreatment:
the single-sided glue rolling (Basf 1974 glue) and heating of the glass fiber material (glass fiber felt) are carried out by a glue rolling machine, the heating temperature is controlled to be 50 ℃, the frequency of a roller motor is 30Hz, the distance between an upper roller and a lower roller of the glue rolling machine is 0.5mm, and the glue feeding amount is 90g/m 2 For the first partial glass fiber material layer 3 (areal density 200g/m 2 ) A second partial glass fiber material layer 7 (surface density of 200g/m 2 ) A first layer 4 of monolithic glass fibre material (surface density 600g/m 2 ) And a second layer 6 of monolithic glass fibre material (with an areal density of 600g/m 2 ) Is made of glass fiber material with rubber;
spraying softened water on the surface of matrix material (low density PU foam molding material, thickness of 7.5 mm) with a water softener, controlling motor frequency at 60Hz, and spraying softened water at 40g/m 2 Softening treatment is carried out;
(2) And (3) material laying: sequentially laying the glued glass fiber material obtained in the step (1), the softened matrix material, a first decoration fabric layer material (needle punched non-woven fabric, thickness of 3.5 mm), a second decoration fabric layer material (non-woven fabric, thickness of 1.5 mm), a first non-air-permeable membrane layer material (PE/PA/PE composite membrane, thickness of 0.3 mm) and a second non-air-permeable membrane layer material (PE/PA/PE composite membrane, thickness of 0.3 mm), wherein the glued glass fiber material is arranged to be a glue layer facing the first decoration fabric layer;
(3) Hot press molding: performing hot press molding on the composite material obtained in the step (2) in a mold, wherein the mold comprises an upper mold and a lower mold, the temperature of the upper mold is 130 ℃, the temperature of the lower mold is 140 ℃, the molding pressure is 15MPa, and the molding time is 40s, so that a semi-finished sunshading board is obtained;
(4) Cooling and shaping: vacuum-adsorbing, cooling and shaping the semi-finished sun shield product obtained in the step (3), wherein the vacuum degree is 0.7Mbar, and the cooling and shaping time is 60s;
(5) Cutting and forming: cutting the semi-finished product of the sun visor subjected to cooling and shaping in the step (4) by using a water knife to form (with the specification of 913mm multiplied by 612 mm), wherein the water pressure of the cutting is 50000psi, and the air pressure is 0.4MPa, so as to obtain the sun visor for the automobile;
(6) And (3) checking: checking whether the sun shield of the automobile sunroof has the defects of smooth surface, damage, breakage, crease, concave-convex base material, bubbles, glue marks or uneven color tone; the surface is smooth, and the product is a qualified product without the defects;
(7) Boxing and warehousing: and (5) boxing the sun shield of the automobile skylight according to the technical standard of packaging, and warehousing according to 30 pcs/box.
The sunroof sun visor provided by the embodiment adopts the structure that the glass fiber material is locally arranged to replace the structure that the glass fiber material is arranged on the whole surface, so that the sunroof sun visor can not only meet the overall high-strength performance index of the sunroof sun visor, but also effectively reduce the overall weight of the sun visor and the cost. The sun shield of the skylight produced by adopting the glass fiber glue rolling process cannot break or sag; the semi-finished products are not piled in the middle, so that the bad quantity of products caused by insufficient rigidity is reduced, and the manufacturing cost is saved; no harmful substances are produced in the whole production process of the product.
Example 3
The embodiment provides an automobile sunroof sun shield, as shown in fig. 1, which comprises a first decoration surface layer 1, a first non-ventilation film layer 2, a first local glass fiber material layer 3, a first integral glass fiber material layer 4, a substrate layer 5, a second integral glass fiber material layer 6, a second local glass fiber material layer 7, a second non-ventilation film layer 8 and a second decoration surface layer 9 which are sequentially stacked;
the first partial glass fiber material layer, the first integral glass fiber material layer, the base layer, the second integral glass fiber material layer and the second partial glass fiber material layer are bonded by an adhesive (the adhesive layer is not shown in fig. 1).
The preparation method of the automobile sunroof sun shield comprises the following steps:
(1) Pretreatment:
the single-sided glue rolling (Basf 1974 glue) and heating of the glass fiber material (glass fiber felt) are carried out by a glue rolling machine, the heating temperature is controlled to be 45 ℃, the frequency of a roller motor is 40Hz, the distance between an upper roller and a lower roller of the glue rolling machine is 0.1mm, and the glue feeding amount is 30g/m 2 For the first partial glass fiber material layer 3 (surface density 180g/m 2 ) A second partial glass fiber material layer 7 (surface density of 180g/m 2 ) A first layer 4 of monolithic glass fibre material (with an areal density of 550g/m 2 ) And a second layer 6 of monolithic glass fibre material (with an areal density of 550g/m 2 ) Is made of glass fiber material with rubber;
spraying softened water on the surface of matrix material (low density PU foam molding material, thickness of 5.5 mm) with a water softener, controlling motor frequency at 50Hz, and spraying softened water at 35g/m 2 Softening treatment is carried out;
(2) And (3) material laying: sequentially laying the glued glass fiber material obtained in the step (1), the softened matrix material, a first decoration fabric layer material (knitted fabric, thickness of 3 mm), a second decoration fabric layer material (non-woven fabric, thickness of 1.3 mm), a first non-air-permeable membrane layer material (PE/PA/PE composite membrane, thickness of 0.25 mm) and a second non-air-permeable membrane layer material (PE/PA/PE composite membrane, thickness of 0.25 mm), wherein the glued glass fiber material is arranged with a glue layer facing the first decoration fabric layer;
(3) Hot press molding: performing hot press molding on the composite material obtained in the step (2) in a mold, wherein the mold comprises an upper mold and a lower mold, the temperature of the upper mold is 125 ℃, the temperature of the lower mold is 135 ℃, the molding pressure is 10MPa, and the molding time is 90s, so as to obtain a semi-finished product of the sun shield;
(4) Cooling and shaping: vacuum-adsorbing, cooling and shaping the semi-finished sun shield product obtained in the step (3), wherein the vacuum degree is 0.3Mbar, and the cooling and shaping time is 30s;
(5) Cutting and forming: cutting the semi-finished product of the sun visor subjected to cooling and shaping in the step (4) by using a water knife to form (with the specification of 913mm multiplied by 612 mm), wherein the water pressure of the cutting is 45000psi, and the air pressure is 0.6MPa, so as to obtain the sun visor for the automobile;
(6) And (3) checking: checking whether the sun shield of the automobile sunroof has the defects of smooth surface, damage, breakage, crease, concave-convex base material, bubbles, glue marks or uneven color tone; the surface is smooth, and the product is a qualified product without the defects;
(7) Boxing and warehousing: and (5) boxing the sun shield of the automobile skylight according to the technical standard of packaging, and warehousing according to 30 pcs/box.
The sunroof sun visor provided by the embodiment adopts the structure that the glass fiber material is locally arranged to replace the structure that the glass fiber material is arranged on the whole surface, so that the sunroof sun visor can not only meet the overall high-strength performance index of the sunroof sun visor, but also effectively reduce the overall weight of the sun visor and the cost. The sun shield of the skylight produced by adopting the glass fiber glue rolling process cannot break or sag; the semi-finished products are not piled in the middle, so that the bad quantity of products caused by insufficient rigidity is reduced, and the manufacturing cost is saved; no harmful substances are produced in the whole production process of the product.
The applicant declares that the above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be apparent to those skilled in the art that any changes or substitutions that are easily conceivable within the technical scope of the present invention disclosed by the present invention fall within the scope of the present invention and the disclosure.

Claims (28)

1. The automobile sun visor is characterized by comprising a first decoration fabric layer, a first non-ventilation film layer, a first local glass fiber material layer, a first integral glass fiber material layer, a matrix layer, a second integral glass fiber material layer, a second local glass fiber material layer, a second non-ventilation film layer and a second decoration fabric layer which are sequentially laminated;
the first local glass fiber material layer, the first integral glass fiber material layer, the matrix layer, the second integral glass fiber material layer and the second local glass fiber material layer are bonded through an adhesive;
the first partial glass fiber material layer and the second partial glass fiber material layer are respectively formed by glass fiber materials adhered to partial areas on the first non-ventilation film layer and the second non-ventilation film layer;
the surface density of the first partial glass fiber material layer and the second partial glass fiber material layer is respectively 150-200g/m 2 。
2. The automotive sun visor of claim 1 wherein the first and second layers of integral glass fiber material each independently have an areal density of 500-600g/m 2 。
3. The automotive sun visor of claim 1, wherein the glass fiber materials of the first partial glass fiber material layer, the second partial glass fiber material layer, the first integral glass fiber material layer, and the second integral glass fiber material layer are glass fiber mats.
4. The automotive sun visor of claim 1 wherein the materials of the first and second trim layers are each independently a needled nonwoven fabric, a knitted fabric, a nonwoven fabric, or a printed nonwoven fabric.
5. The automotive sun visor of claim 1 wherein the first trim layer has a thickness of 2.5-3.5mm.
6. The automotive sun visor of claim 1 wherein the second trim layer has a thickness of 1-1.5mm.
7. The automotive sun visor of claim 1 wherein the materials of the first and second non-breathable film layers are each independently a PE film or a PE/PA/PE composite film.
8. The automotive sun visor of claim 1 wherein the first and second non-breathable film layers each independently have a thickness of 0.2-0.3mm.
9. The automotive sun visor of claim 1 wherein the base layer material is polyurethane.
10. The automotive sun visor of claim 1 wherein the base layer has a thickness of 5.5-7.5mm.
11. A method of making an automotive sun visor according to any one of claims 1 to 10, comprising the steps of:
(1) Pretreatment:
glue rolling and heating are carried out on a single surface of the glass fiber material, so that the glued glass fiber material for the first partial glass fiber material layer, the second partial glass fiber material layer, the first integral glass fiber material layer and the second integral glass fiber material layer is prepared respectively;
spraying softened water on the surface of the matrix material to perform softening treatment;
(2) And (3) material laying: sequentially laying the glued glass fiber material obtained in the step (1), the softened matrix material, the first decoration fabric layer material, the second decoration fabric layer material, the first non-ventilation film layer material and the second non-ventilation film layer material, wherein the glued glass fiber material is arranged with a glue layer facing the first decoration fabric layer;
(3) Hot press molding: carrying out hot press molding on the composite material obtained in the step (2) in a mold to obtain a semi-finished product of the sun shield;
(4) Cooling and shaping: and (3) vacuum adsorbing, cooling and shaping the semi-finished product of the sun shield obtained in the step (3) to obtain the automobile sun shield.
12. The method of claim 11, wherein the step (1) of applying the glue and heating is performed in a glue roller.
13. The method according to claim 12, wherein the upper and lower rollers of the glue rolling machine have a distance of 0.1 to 0.5mm.
14. The method of claim 12, wherein the roller motor frequency of the glue roller is 20-40 Hz.
15. The method according to claim 11, wherein the heating temperature in step (1) is 40 to 50 ℃.
16. The method according to claim 11, wherein the amount of the sizing agent in the step (1) is 30 to 90g/m 2 。
17. The method according to claim 11, wherein the glue used in the step (1) is a polyurethane adhesive.
18. The method according to claim 11, wherein the operation of spraying the softened water in step (1) is performed in a water softener.
19. The method of claim 18, wherein the motor frequency of the water softener when spraying softened water is 40 to 60Hz.
20. The method according to claim 11, wherein the softened water in step (1) is sprayed in an amount of 30 to 40g/m 2 。
21. The method according to claim 11, wherein the mold in step (3) comprises an upper mold and a lower mold, the upper mold having a temperature of 120 to 130 ℃ and the lower mold having a temperature of 135 to 145 ℃.
22. The method according to claim 11, wherein the pressure of the hot press molding in the step (3) is 6 to 15MPa.
23. The method according to claim 11, wherein the time for the hot press molding in the step (3) is 40 to 90 seconds.
24. The method according to claim 11, wherein the cooling and shaping time in the step (4) is not less than 30s.
25. The method according to claim 11, wherein the vacuum degree of vacuum adsorption in the step (4) is 0.3 to 0.7Mbar.
26. The method of manufacturing according to claim 11, further comprising step (5): cutting the semi-finished product of the sun shield cooled and shaped in the step (4) by a water knife to form.
27. The method of claim 26, wherein the water pressure for cutting is 40000-50000 psi and the air pressure is 0.4-0.8 MPa.
28. The preparation method according to claim 11, characterized in that the preparation method comprises the steps of:
(1) Pretreatment:
the single-sided glue rolling and heating of the glass fiber material are performed by a glue rolling machine, the heating temperature is controlled to be 40-50 ℃, the frequency of a roller motor is 20-40 Hz, the distance between an upper roller and a lower roller of the glue rolling machine is 0.1-0.5 mm, and the glue feeding amount is 30-90 g/m 2 Preparing a glued glass fiber material for the first partial glass fiber material layer, the second partial glass fiber material layer, the first integral glass fiber material layer and the second integral glass fiber material layer respectively;
spraying softened water on the surface of the substrate, controlling the frequency of the motor to be 40-60 Hz, and controlling the spraying amount of the softened water to be 30-40 g/m 2 Softening treatment is carried out;
(2) And (3) material laying: sequentially laying the glued glass fiber material obtained in the step (1), the softened matrix material, the first decoration fabric layer material, the second decoration fabric layer material, the first non-ventilation film layer material and the second non-ventilation film layer material, wherein the glued glass fiber material is arranged with a glue layer facing the first decoration fabric layer;
(3) Hot press molding: performing hot press molding on the composite material obtained in the step (2) in a mold, wherein the mold comprises an upper mold and a lower mold, the temperature of the upper mold is 120-130 ℃, the temperature of the lower mold is 135-145 ℃, the molding pressure is 6-15 MPa, and the molding time is 40-90 s, so that a semi-finished sunshading board is obtained;
(4) Cooling and shaping: vacuum adsorbing, cooling and shaping the semi-finished sun visor obtained in the step (3), wherein the vacuum degree is 0.3-0.7 Mbar, and the cooling and shaping time is more than or equal to 30s;
(5) Cutting and forming: cutting the semi-finished product of the sun shield cooled and shaped in the step (4) by a water knife to form, wherein the water pressure of the cutting is 40000-50000 psi, and the air pressure is 0.4-0.8 MPa, so as to obtain the sun shield for the automobile.
CN202010707288.1A 2020-07-21 2020-07-21 Automobile sun shield and preparation method thereof Active CN111731084B (en)

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CN112590101A (en) * 2020-12-02 2021-04-02 宁波耀众模塑科技有限公司 Production process of low-temperature automobile sun shield

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CN101337434A (en) * 2008-06-23 2009-01-07 刘明春 Production method of automobile skylight sun-shield
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CN104191939A (en) * 2014-08-22 2014-12-10 无锡吉兴汽车部件有限公司 Automobile sunroof sun shield production method
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CN109228388A (en) * 2018-09-20 2019-01-18 无锡吉兴汽车部件有限公司 The production method of automobile skylight sun-shield
CN109228564A (en) * 2018-08-07 2019-01-18 福州联泓交通器材有限公司 A kind of dormer window sunshading board composite material for automobile interiors and its manufacturing process

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US6706370B1 (en) * 2001-08-20 2004-03-16 Howa Textile Industry Co., Ltd. Sunshade of a sunroof for a motor vehicle and manufacturing method thereof
CN101337434A (en) * 2008-06-23 2009-01-07 刘明春 Production method of automobile skylight sun-shield
CN201900759U (en) * 2010-08-09 2011-07-20 延锋伟世通(北京)汽车饰件系统有限公司 Automobile roof liner manufactured by one-step dry forming process
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