CN211280076U - PP fiber reinforced composite structure for case shell and draw-bar box - Google Patents
PP fiber reinforced composite structure for case shell and draw-bar box Download PDFInfo
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- CN211280076U CN211280076U CN201920964309.0U CN201920964309U CN211280076U CN 211280076 U CN211280076 U CN 211280076U CN 201920964309 U CN201920964309 U CN 201920964309U CN 211280076 U CN211280076 U CN 211280076U
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Abstract
The utility model discloses a PP fiber reinforced composite material structure for a box shell and a draw-bar box, wherein the PP fiber reinforced composite material structure for the box shell consists of a thin film layer and a fabric layer, and the thin film layer covers the fabric layer; the fabric layer is formed by stacking and hot-pressing a plurality of first fabric prepreg sheets and a plurality of second fabric prepreg sheets, and the first fabric prepreg sheets and the second fabric prepreg sheets are formed by sequentially laying an upper resin layer, a fiber layer and a lower resin layer from top to bottom and then melting and bonding at high temperature. The utility model provides a novel PP fibre reinforced composite structure, not only improved the stability that fibre and resin base combined, reduced the defective rate of case shell, still improved the structural strength of draw-bar box and the scraping resistance performance on its surface simultaneously, the weight of the draw-bar box that adopts this material structure to make is lighter in addition.
Description
Technical Field
The utility model relates to a fiber reinforced composite's structure, concretely relates to PP fiber reinforced composite structure and draw-bar box for case shell.
Background
With the increasing travel of people, the draw-bar box has become one of the necessary articles for travel. The weight of draw-bar box has important influence to the comfort level of going on a journey, and many airlines require more and more strictly to the weight of box simultaneously, and this has proposed higher and more high requirement to the lightweight of draw-bar box. Simultaneously along with the complication of trip scene, the problem of scraping can inevitably appear in the box, arouses more and more attention of people through the surface effect of scraping back case shell.
At present, materials commonly used for the hard draw-bar box are Polycarbonate (PC), polyacrylonitrile butadiene styrene (ABS) and the like, the density of the materials is more than 1, the materials are not beneficial to lightening, polypropylene (PP) materials become a light-weight focus due to low density and good toughness, and meanwhile, fiber reinforced composite materials are widely applied to the field of composite materials due to the reinforcing effect. The composite material formed by impregnating the fiber material and the resin matrix can have both high fiber strength and continuous resin stability, but the product defective rate is high because the stability and strength of the combination of the fiber material and the resin matrix are high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a PP fibre reinforced composite structure and draw-bar box for case shell, it is big that it has solved the material weight of common draw-bar box, and the scratch resistance performance in surface subalternation problem.
In order to achieve the purpose, the utility model adopts the following technical proposal that,
a PP fiber reinforced composite material structure for a box shell and a draw-bar box are composed of a film layer and a fabric layer, wherein the film layer covers the fabric layer; the fabric layer is formed by stacking and hot-pressing a plurality of first fabric prepreg sheets and a plurality of second fabric prepreg sheets, and the first fabric prepreg sheets and the second fabric prepreg sheets are formed by sequentially laying an upper resin layer, a fiber layer and a lower resin layer from top to bottom and then melting and bonding at high temperature.
Preferably, the film layer is a PP/PET composite film.
Preferably, the upper resin layer and the lower resin layer are polypropylene resin or vinyl resin; the fiber layer is polypropylene fiber of continuous long fiber.
Preferably, the fiber layers of the first fabric prepreg sheet are arranged in a 0 ° direction, and the fiber layers of the second fabric prepreg sheet are arranged in a 90 ° direction; alternatively, the fiber layers of the first fabric prepreg sheet are arranged in a 90 ° orientation and the fiber layers of the second fabric prepreg sheet are arranged in a 0 ° orientation.
Preferably, the fabric layer is formed by alternately superposing and hot-pressing a first fabric prepreg sheet and a second fabric prepreg sheet at intervals; the number of first fabric prepreg sheets is equal to the number of second fabric prepreg sheets.
Preferably, the fabric layer is formed by superposing and hot-pressing two layers of first fabric prepreg sheets and second fabric prepreg sheets which are alternately arranged at intervals.
More preferably, the number of the first fabric prepreg sheets superposed on the upper surfaces of the two layers of the first fabric prepreg sheets is equal to the number of the first fabric prepreg sheets superposed on the lower surfaces thereof; or the number of the second fabric prepreg sheets superposed on the upper surfaces of the two layers of first fabric prepreg sheets is equal to the number of the second fabric prepreg sheets superposed on the lower surfaces of the two layers of first fabric prepreg sheets; or the number of the first fabric prepreg sheets superposed on the upper surfaces of the two first fabric prepreg sheets is equal to the number of the second fabric prepreg sheets superposed on the upper surfaces of the two first fabric prepreg sheets, or the number of the first fabric prepreg sheets superposed on the upper surfaces of the two first fabric prepreg sheets is one layer less than the number of the second fabric prepreg sheets superposed on the upper surfaces of the two first fabric prepreg sheets.
Another object of the utility model is to protect a draw-bar box, including above-mentioned PP fiber reinforced composite structure.
After the technical scheme is adopted, the utility model has the beneficial effects of, providing a novel PP fibre reinforced composite material has improved the stability that fibre and resin base combine, has improved the structural strength of draw-bar box and the scraping resistant performance on its surface when having reduced the defective rate of case shell, in addition, the weight of the draw-bar box that adopts this material to make is lighter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 these drawings without inventive exercise.
FIG. 1 is a schematic structural cross-sectional view of a fabric layer in the present invention;
FIG. 2 is a schematic structural view showing both the arrangement directions of the 0 ° direction and the 90 ° direction of the fiber layer;
fig. 3 is a schematic structural cross-sectional view of embodiment 1 of the present invention;
fig. 4 is a schematic structural cross-sectional view of embodiment 2 of the present invention;
fig. 5 is a schematic structural cross-sectional view of embodiment 3 of the present invention.
FIGS. 1-5 show, 1-film layer, 2-first fabric prepreg, 3-second fabric prepreg, 4-upper resin layer, 5-fiber layer, 6-lower resin layer.
Detailed Description
In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are all the directions or positional relationships shown on the drawings, and the objects are only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the parts indicated must have a specific direction, be constructed and operated in a specific direction, and thus, are not to be construed as limiting the present invention.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Example 1
A PP fiber reinforced composite material structure for a box shell and a draw-bar box are disclosed, as shown in figures 1-3, a film layer 1 is covered on a fabric layer formed by a first fabric prepreg sheet 2 and a second fabric prepreg sheet 3 which are regularly overlapped at intervals and then hot-pressed. The first fabric prepreg 2 and the second fabric prepreg 3 are respectively formed by sequentially laying an upper resin layer 4, a fiber layer 5 and a lower resin layer 6 from top to bottom and then melting and bonding at high temperature. Wherein film layer 1 is attached to a first fabric prepreg sheet 2.
The fiber layers 5 of the first fabric prepreg sheet 2 are arranged in the 0 ° direction, and the fiber layers 5 of the second fabric prepreg sheet 3 are arranged in the 90 ° direction. Wherein the first fabric prepreg sheet 2 is three-ply and the second fabric prepreg sheet 3 is three-ply.
The film layer 1 is a PP/PET composite film, the upper resin layer 4 and the lower resin layer 6 are polypropylene resins, and the fiber layer 5 is polypropylene fibers of continuous long fibers.
Example 2
A PP fiber reinforced composite material structure for a box shell and a draw-bar box are disclosed, as shown in figures 1-2 and 4, a film layer 1 is covered to comprise two layers of first fabric prepreg sheets 2, and a fabric layer formed by superposing and hot-pressing a first fabric prepreg 2 and a second fabric prepreg 3 which are alternately and regularly arranged at intervals, wherein, the first fabric prepreg 3 and the second fabric prepreg 3 are respectively formed by sequentially laying an upper resin layer 4, a fiber layer 5 and a lower resin layer 6 from top to bottom and then melting and bonding at high temperature, the number of the first fabric prepreg sheets 2 on the upper surfaces of the two layers of first fabric prepreg sheets is one layer, the number of the first fabric prepreg sheets 2 on the lower surfaces of the two layers of first fabric prepreg sheets is one layer, the number of the second fabric prepreg sheets 3 on the upper surfaces of the two layers of first fabric prepreg sheets is one layer, and the number of the second fabric prepreg sheets 3 on the lower surfaces of the two layers of first fabric prepreg sheets is one layer.
The fiber layers 6 of the first fabric prepreg sheet 2 are arranged in the 0 ° direction, and the fiber layers 5 of the second fabric prepreg sheet 3 are arranged in the 90 ° direction.
The film layer 1 is a PP/PET composite film, the upper resin layer 4 and the lower resin layer 6 are polypropylene resins, and the fiber layer 5 is polypropylene fibers of continuous long fibers.
Example 3
A PP fiber reinforced composite material structure for a box shell and a draw-bar box are disclosed, as shown in 1-2 and 5, two layers of first fabric prepreg sheets 2 covered by a film layer 1, and fabric layers formed by overlapping and hot-pressing the first fabric prepreg sheets 2 and second fabric prepreg sheets 3 which are arranged at intervals. The first fabric prepreg 2 and the second fabric prepreg 3 are respectively formed by sequentially laying an upper resin layer 4, a fiber layer 5 and a lower resin layer 6 from top to bottom and then melting and bonding at high temperature.
The fabric layer 5 of first fabric prepreg 2 is arranged according to 90 orientation, and the fabric layer 5 of second fabric prepreg 3 is arranged according to 0 orientation, two-layer first fabric prepreg upper surface's 2 figure of first fabric prepreg are 0 layers, two-layer first fabric prepreg lower surface's 2 figure of first fabric prepreg are 0 layers, two-layer first fabric prepreg upper surface's 3 figures of second fabric prepreg are 1 layer, two-layer first fabric prepreg's 3 figures of lower surface are 1 layer.
The film layer 1 is a PP/PET composite film, the upper resin layer 4 and the lower resin layer 6 are polypropylene resins, and the fiber layer 5 is polypropylene fibers of continuous long fibers.
After adopting above-mentioned technical scheme, not only improved the stability that fibre and resin base combine, improved the structural strength of draw-bar box and the scraping-resistant performance on its surface when having reduced the defective rate of case shell, the weight of the draw-bar box that adopts this material structure to make is lighter in addition.
The above-mentioned embodiment is only the preferred embodiment of the present invention, all the basis the utility model discloses a technical entity all belongs to the utility model discloses any simple modification, modification and substitution change to what the above embodiment was done the within range of technical scheme.
Claims (8)
1. A PP fiber reinforced composite material structure for a cabinet shell is characterized by comprising a film layer and a fabric layer, wherein the film layer is covered on the fabric layer; the fabric layer is formed by stacking and hot-pressing a plurality of first fabric prepreg sheets and a plurality of second fabric prepreg sheets, and the first fabric prepreg sheets and the second fabric prepreg sheets are formed by sequentially laying an upper resin layer, a fiber layer and a lower resin layer from top to bottom and then melting and bonding at high temperature.
2. The PP fiber reinforced composite structure for the cabinet as claimed in claim 1, wherein the film layer is a PP/PET composite film.
3. The PP fiber reinforced composite structure for the cabinet as claimed in claim 1, wherein the upper resin layer and the lower resin layer are polypropylene resin or vinyl resin; the fiber layer is polypropylene fiber of continuous long fiber.
4. A PP fiber reinforced composite structure for cabinet cases as claimed in claim 1, wherein the fiber layers of said first fabric prepreg sheet are arranged in 0 ° direction and the fiber layers of said second fabric prepreg sheet are arranged in 90 ° direction; alternatively, the fiber layers of the first fabric prepreg sheet are arranged in a 90 ° orientation and the fiber layers of the second fabric prepreg sheet are arranged in a 0 ° orientation.
5. The PP fiber reinforced composite structure for the cabinet shell as claimed in claim 1, wherein the fabric layer is formed by alternately stacking and hot-pressing a first fabric prepreg sheet and a second fabric prepreg sheet at intervals; the number of first fabric prepreg sheets is equal to the number of second fabric prepreg sheets.
6. The PP-fiber-reinforced composite structure for the cabinet as claimed in claim 1, wherein the fabric layer is formed by laminating and hot-pressing two layers of the first fabric prepreg sheets and the second fabric prepreg sheets alternately arranged at intervals.
7. The PP fiber reinforced composite structure for cabinet shell according to claim 6 wherein the number of the first fabric prepreg sheets overlapped on the upper surface of said two first fabric prepreg sheets is equal to the number of the first fabric prepreg sheets overlapped on the lower surface thereof; or the number of the second fabric prepreg sheets superposed on the upper surfaces of the two layers of first fabric prepreg sheets is equal to the number of the second fabric prepreg sheets superposed on the lower surfaces of the two layers of first fabric prepreg sheets; or the number of the first fabric prepreg sheets superposed on the upper surfaces of the two first fabric prepreg sheets is equal to the number of the second fabric prepreg sheets superposed on the upper surfaces of the two first fabric prepreg sheets, or the number of the first fabric prepreg sheets superposed on the upper surfaces of the two first fabric prepreg sheets is one layer less than the number of the second fabric prepreg sheets superposed on the upper surfaces of the two first fabric prepreg sheets.
8. A draw-bar box comprising a PP fiber reinforced composite structure for a box shell as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964309.0U CN211280076U (en) | 2019-06-25 | 2019-06-25 | PP fiber reinforced composite structure for case shell and draw-bar box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964309.0U CN211280076U (en) | 2019-06-25 | 2019-06-25 | PP fiber reinforced composite structure for case shell and draw-bar box |
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| CN211280076U true CN211280076U (en) | 2020-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311611A (en) * | 2021-12-30 | 2022-04-12 | 亚普汽车部件股份有限公司 | High-strength liquid storage tank and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311611A (en) * | 2021-12-30 | 2022-04-12 | 亚普汽车部件股份有限公司 | High-strength liquid storage tank and preparation method thereof |
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