CN210161716U - Novel GMT inner liner sandwich plate - Google Patents
Novel GMT inner liner sandwich plate Download PDFInfo
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- CN210161716U CN210161716U CN201920945502.XU CN201920945502U CN210161716U CN 210161716 U CN210161716 U CN 210161716U CN 201920945502 U CN201920945502 U CN 201920945502U CN 210161716 U CN210161716 U CN 210161716U
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- inner liner
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Abstract
The utility model relates to a novel GMT inner liner sandwich panel, which comprises a panel body and is characterized in that the panel body comprises a core material, the core material is positioned in the middle of the panel body, and the core material is a thermoplastic foam board; the laminated surface layers are positioned on the two side surfaces of the plate body and are formed by compounding a plurality of continuous unidirectional fiber reinforced thermoplastic resin prepreg sheets and/or fiber fabric reinforced thermoplastic resin prepreg sheets; the GMT lining layer is positioned between the core material and the laminating surface layer and adopts a light GMT sheet; the utility model has the advantages of reasonable design, the longitudinal and transverse mechanical properties of panel body can be ensured to the layer laminating surface course, and the GMT inner liner has sound, buffering energy-absorbing, damping effect of inhaling, and the core can increase panel body bending stiffness, and above used material has characteristics such as light weight high strength, green, recoverable, is applicable to fields such as track traffic motor vehicle floor, passenger train floor, van carriage board.
Description
Technical Field
The utility model relates to a track traffic technical field especially relates to a novel GMT inner liner sandwich panel suitable for products such as track traffic motor vehicle floor, passenger train floor, van railway carriage or compartment board use.
Background
With the rapid development in the fields of rail transit, passenger traffic, logistics and the like, people pay more and more attention to the light weight and green environmental protection of various motor vehicles, in the interior and exterior trims of the motor vehicles, the traditional floor adopting wood-rubber plates or PVC sandwich plates is thick and heavy, and the interior and exterior side compartment plates adopting thermosetting composite materials are high in density and general in flame retardant property, so that the requirements of light weight and safe flame retardant of the vehicles cannot be met.
CN 201620033251.4 discloses a sandwich panel structure, which is a structure of compounding a honeycomb core panel between a thermoplastic PP glass fiber panel and a glass fiber reinforced plastic panel, so that a car compartment panel and a movable house panel have light weight characteristics, but the sandwich panel has relatively weak compression resistance, and it adopts a thermosetting composite material as a side layer, so that it is difficult to achieve flame retardant effect.
CN 201620259309.7 discloses a passenger car floor, which is a sandwich structure with thermoplastic light composite material core material arranged between the composite surface layers of multi-layer unidirectional continuous glass fiber thermoplastic resin prepreg sheets and/or fiber fabric reinforced thermoplastic resin prepreg sheets, so that the passenger car floor has sufficient longitudinal and transverse properties, and the light weight and recoverability of the passenger car floor are ensured. However, the core material of the composite material is a thermoplastic light composite material sheet taking a glass fiber mat as a reinforcement, when the composite material sheet is thin, the bending rigidity of the passenger car floor is not enough, and when the composite material sheet is thick, the weight is relatively large, and the balance effect between the bending rigidity and the weight is difficult to achieve, and moreover, the floor also has difficult requirement on flame retardant safety.
Disclosure of Invention
In order to solve the deficiencies in the prior art, the utility model aims at providing a novel GMT inner liner sandwich panel that has better bending resistance compressive property, lightweight, safe fire-retardant, the easy recovery.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a novel GMT inner liner sandwich panel, includes the panel body, its characterized in that, the panel body includes:
the core material is positioned in the middle of the plate body and adopts a thermoplastic foam plate; and
the laminated surface layers are positioned on the two side surfaces of the plate body and are formed by compounding a plurality of continuous unidirectional fiber reinforced thermoplastic resin prepreg sheets and/or fiber fabric reinforced thermoplastic resin prepreg sheets; and
and the GMT lining layer is positioned between the core material and the laminating surface layer and adopts a light GMT sheet.
The laminated surface layer comprises a laminated surface layer and a paint layer, wherein the paint layer is positioned on the outer side surface of the laminated surface layer.
The paint layer is made of polyurethane paint.
The continuous unidirectional fiber reinforced thermoplastic resin prepreg sheet is a sheet-shaped structural material taking thermoplastic resin as a matrix and continuous fibers as reinforcements. Wherein the content of the continuous fibers is 40wt% to 70wt% based on the total weight of the continuous unidirectional fiber-reinforced thermoplastic resin prepreg sheet.
The fiber fabric reinforced thermoplastic resin prepreg sheet is a sheet-shaped structural material taking thermoplastic resin as a matrix and taking fiber plain weave or twill weave as a reinforcement. Wherein the content of the fiber plain or twill fabric is 40wt% to 70wt% based on the total weight of the fiber fabric reinforced thermoplastic resin prepreg sheet.
The light GMT sheet is a thermoplastic light composite material sheet which takes thermoplastic resin as a matrix and glass fiber felt as a reinforcement. Wherein the glass fiber mat is present in an amount of 30wt% to 60wt%, based on the total weight of the GMT sheet.
The thermoplastic resin adopts polypropylene or polyamide.
The material of the thermoplastic foam board is polyester or polypropylene.
The thickness of the core material is 5-25mm, the thickness of the laminating surface layer is 0.5-2mm, and the thickness of the GMT lining layer is 3-5 mm.
The density of the core material is 30-120kg/m3The density of the laminated surface layer is 1500-3The density of the GMT lining layer is 200-500kg/m3。
To sum up, the beneficial effects of the utility model are that: the GMT lining layer has the advantages that the structural design is reasonable, the longitudinal and transverse mechanical properties of the plate body can be ensured through the laminated surface layer, the GMT lining layer has the effects of sound absorption, buffering, energy absorption and vibration reduction, the core material can increase the bending rigidity of the plate body, the used materials have the characteristics of light weight, high strength, environmental protection, recoverability and the like, and the GMT lining layer is suitable for the fields of rail transit motor vehicle floors, passenger car floors, van body plates and the like.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic sectional view of the present invention.
In the figure: 1 core material, 2 laminating surface layers, 3 GMT inner liner layers and 4 paint layers.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
As shown in fig. 1: the embodiment discloses a novel 3 sandwich panels of GMT inner liner, including the panel body, the panel body includes core 1, lamination surface course 2 and GMT inner liner 3, and through the hot briquetting technology complex as a whole between core 1, lamination surface course 2 and the GMT inner liner 3, panel body thickness is 20mm, wherein core 1, lamination surface course 2 and GMT inner liner 3's specific structure as follows.
The core material 1 is positioned in the middle of the plate body, the thickness of the core material 1 is 12mm, and the density of the core material 1 is 100kg/m3The core material 1 is a thermoplastic foam board made of polyester or polypropylene.
The laminated surface layers 2 are arranged on the two side surfaces of the plate body, the thickness of the laminated surface layer 2 is 0.5mm, and the density of the laminated surface layer 2 is 1500kg/m3The laminating surface layer 2 is obtained by laminating two layers of continuous unidirectional fiber reinforced thermoplastic resin prepreg sheets at 0 degree and 90 degrees;
the continuous unidirectional fiber reinforced thermoplastic resin prepreg sheet is a sheet-shaped structural material taking thermoplastic resin as a matrix and continuous fibers as reinforcements. Wherein the content of the continuous fibers is 60wt% based on the total weight of the continuous unidirectional fiber-reinforced thermoplastic resin prepreg sheet;
the GMT lining layer 3 is positioned between the core material 1 and the laminating surface layer 2, the thickness of the GMT lining layer 3 is 4mm, and the density of the GMT lining layer 3 is 300kg/m3The GMT lining layer 3 is made of a light GMT sheet;
the light GMT sheet is a thermoplastic light composite material sheet which takes thermoplastic resin as a matrix and glass fiber felt as a reinforcement. Wherein the glass fiber mat content is 30wt%, based on the total weight of the GMT sheet.
The thermoplastic resin used in the structure of the laminated surface layer 2 and the GMT inner liner layer 3 is polypropylene or polyamide.
Further, the fireproof laminated plate further comprises a paint layer 4, the paint layer 4 is located on the outer side surface of the laminated surface layer 2, the paint layer 4 is attached to the outer side surface of the laminated surface layer 2 through spraying or brushing, and the paint layer 4 is made of fireproof low-VOC solvent type polyurethane paint and is used for increasing the flame retardant effect of the surface of the plate body.
The above is only the preferred embodiment of the present invention, as long as the preferred embodiment is realized by the same means, the objective technical solution of the present invention all belongs to the protection scope of the present invention.
Claims (10)
1. The utility model provides a novel GMT inner liner sandwich panel, includes the panel body, its characterized in that, the panel body includes:
the core material is positioned in the middle of the plate body and adopts a thermoplastic foam plate; and
the laminated surface layers are positioned on the two side surfaces of the plate body and are formed by compounding a plurality of continuous unidirectional fiber reinforced thermoplastic resin prepreg sheets and/or fiber fabric reinforced thermoplastic resin prepreg sheets; and
and the GMT lining layer is positioned between the core material and the laminating surface layer and adopts a light GMT sheet.
2. The novel GMT inner liner sandwich panel material as claimed in claim 1, wherein: the laminated surface layer comprises a laminated surface layer and a paint layer, wherein the paint layer is positioned on the outer side surface of the laminated surface layer.
3. The novel GMT inner liner sandwich panel material as claimed in claim 2, wherein: the paint layer is made of polyurethane paint.
4. The novel GMT inner liner sandwich panel material as claimed in claim 1, wherein: the continuous unidirectional fiber reinforced thermoplastic resin prepreg sheet is a sheet-shaped structural material taking thermoplastic resin as a matrix and continuous fibers as reinforcements.
5. The novel GMT inner liner sandwich panel material as claimed in claim 1, wherein: the fiber fabric reinforced thermoplastic resin prepreg sheet is a sheet-shaped structural material taking thermoplastic resin as a matrix and taking fiber plain weave or twill weave as a reinforcement.
6. The novel GMT inner liner sandwich panel material as claimed in claim 1, wherein: the light GMT sheet is a thermoplastic light composite material sheet which takes thermoplastic resin as a matrix and glass fiber felt as a reinforcement.
7. The novel GMT inner liner sandwich panel material as claimed in claim 4, 5 or 6, wherein: the thermoplastic resin adopts polypropylene or polyamide.
8. The novel GMT inner liner sandwich panel material as claimed in claim 1, wherein: the material of the thermoplastic foam board is polyester or polypropylene.
9. The novel GMT inner liner sandwich panel material as claimed in claim 1, wherein: the thickness of the core material is 5-25mm, the thickness of the laminating surface layer is 0.5-2mm, and the thickness of the GMT lining layer is 3-5 mm.
10. The novel GMT inner liner sandwich panel material as claimed in claim 1, wherein: the density of the core material is 30-120kg/m3The density of the laminated surface layer is 1500-3The density of the GMT lining layer is 200-500kg/m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920945502.XU CN210161716U (en) | 2019-06-22 | 2019-06-22 | Novel GMT inner liner sandwich plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920945502.XU CN210161716U (en) | 2019-06-22 | 2019-06-22 | Novel GMT inner liner sandwich plate |
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| Publication Number | Publication Date |
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| CN210161716U true CN210161716U (en) | 2020-03-20 |
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| CN201920945502.XU Active CN210161716U (en) | 2019-06-22 | 2019-06-22 | Novel GMT inner liner sandwich plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116167172A (en) * | 2023-04-24 | 2023-05-26 | 江铃汽车股份有限公司 | Truck partition board and strength analysis method thereof |
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2019
- 2019-06-22 CN CN201920945502.XU patent/CN210161716U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116167172A (en) * | 2023-04-24 | 2023-05-26 | 江铃汽车股份有限公司 | Truck partition board and strength analysis method thereof |
| CN116167172B (en) * | 2023-04-24 | 2023-10-13 | 江铃汽车股份有限公司 | Truck partition board and strength analysis method thereof |
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