CN211000303U - A glass steel aluminum core honeycomb panel for carriage - Google Patents
A glass steel aluminum core honeycomb panel for carriage Download PDFInfo
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- CN211000303U CN211000303U CN201920970831.XU CN201920970831U CN211000303U CN 211000303 U CN211000303 U CN 211000303U CN 201920970831 U CN201920970831 U CN 201920970831U CN 211000303 U CN211000303 U CN 211000303U
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Abstract
The utility model discloses a glass steel aluminum core honeycomb panel for carriage, including the fire-retardant prepreg layer of epoxy, the epoxy film adhesive linkage that excels in and aluminum honeycomb core layer, the both sides face on aluminum honeycomb core layer compound connection epoxy film adhesive linkage that excels in and the fire-retardant prepreg layer of multilayer epoxy in proper order. The utility model discloses can prevent fires, and intensity is high, density is little, and its intensity can reach 6-12 times of steel, and density only has steel fourth. The utility model discloses can make any shape according to the mould shape, the shaping is easy, the processing of being convenient for. Simultaneously the utility model discloses corrosion-resistant, strong acid and alkali resistance, waterproof, resistant oil, toughness is good, shocks resistance, longe-lived. High compression strength, resistance to damp, heat and aging, fatigue resistance, good manufacturability and convenient use.
Description
Technical Field
The utility model relates to a honeycomb composite sheet technical field specifically is a glass steel aluminum core honeycomb panel for carriage.
Background
The honeycomb composite board is widely applied and used in the industries of automobiles, high-speed rails, aerospace, architectural decoration and the like, but no flame-retardant glass fiber reinforced plastic honeycomb board without epoxy groups exists, the production method is complex, and the production process needs to be simplified to improve the production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a glass steel aluminum core honeycomb panel for carriage to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a glass fiber reinforced plastic aluminum core honeycomb plate for a carriage comprises an epoxy flame-retardant prepreg layer, a high-strength epoxy film bonding layer and an aluminum honeycomb core layer, wherein the high-strength epoxy film bonding layer and a plurality of epoxy flame-retardant prepreg layers are sequentially and compositely connected to two side surfaces of the aluminum honeycomb core layer; the edge of the aluminum honeycomb core layer is bonded with a fixed-thickness strip, the fixed-thickness strip is positioned between two epoxy flame-retardant prepreg layers on two side faces of the aluminum honeycomb core layer, and the fixed-thickness strip is formed by integrally forming a plurality of trapezoidal blocks which are distributed at equal intervals on one side of a stainless steel strip.
As a further aspect of the present invention: trapezoidal piece is offered the spout of falling T shape from a side to the middle part towards the side on aluminium honeycomb core layer, and the T shape spout is used for the one end of sliding connection nail, and the other end of nail inserts aluminium honeycomb core in situ fixation, and the outer surface welding of nail a plurality of root is to the barb of T shape spout slope, at the in-process of actual installation, with the one end sliding connection of nail in T shape spout, then will decide thick strip and scribble glue and to its aluminium honeycomb core layer's edge, strike with the mallet and realize preliminary connection.
As a further aspect of the present invention: the number of the epoxy flame-retardant prepreg layers is three-layer composite.
As a further aspect of the present invention: the single-layer thickness of the epoxy flame-retardant prepreg layer is 0.7-0.8 mm.
As a further aspect of the present invention: the thickness of the high-strength epoxy adhesive film bonding layer is 0.28-0.32 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can prevent fires, and intensity is high, density is little, and its intensity can reach 6-12 times of steel, and density only has steel fourth.
The utility model discloses can make any shape according to the mould shape, the shaping is easy, the processing of being convenient for.
Simultaneously the utility model discloses corrosion-resistant, strong acid and alkali resistance, waterproof, resistant oil, toughness is good, shocks resistance, longe-lived. High compression strength, resistance to damp, heat and aging, fatigue resistance, good manufacturability and convenient use.
And the honeycomb core also has good heat insulation and sound insulation properties, and when the upper panel is stretched and the lower panel is compressed when the honeycomb core bears bending load, the honeycomb core transmits shearing force.
From the analysis of mechanics, the structure of the utility model is very similar to the I-beam, the surface material is equivalent to the flange of the I-beam, and almost bears all lateral normal stress; the honeycomb core acts as a web for the i-beam and bears almost all shear stresses.
The structure not only improves the integral rigidity, but also improves the stability and improves the mechanical properties of the panel and the whole body.
Meanwhile, the side surface is filled with the fixed-thickness strips to increase the deformation resistance, and the honeycomb structure is effectively prevented from being damaged.
Drawings
Fig. 1 is a schematic view of a laminated structure of a glass fiber reinforced plastic aluminum core honeycomb panel for a vehicle compartment.
Fig. 2 is a cross-sectional structure of a glass fiber reinforced plastic aluminum core honeycomb panel for a vehicle compartment.
Fig. 3 is a schematic structural diagram of the fixed-thickness strip.
FIG. 4 is a schematic view of the nail construction.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in an embodiment of the present invention, a glass fiber reinforced plastic aluminum core honeycomb panel for a carriage includes an epoxy flame-retardant prepreg layer 1, a high-strength epoxy adhesive film bonding layer 2 and an aluminum honeycomb core layer 3, wherein the high-strength epoxy adhesive film bonding layer 2 and a plurality of epoxy flame-retardant prepreg layers 1 are sequentially and compositely connected to two side surfaces of the aluminum honeycomb core layer, and the optimal number of the epoxy flame-retardant prepreg layers 1 is three.
The edge of aluminium honeycomb core layer 3 is bonded with decides thick strip 5, decides thick strip 5 and is located between the fire-retardant prepreg layer 1 of two-layer epoxy of aluminium honeycomb core layer 3 both sides face, decides thick strip 5 and comprises the integrative trapezoidal piece 52 that forms a plurality of equidistance distribution in stainless steel strip 51 one side, and the purpose of trapezoidal piece 52 increases intensity, increases simultaneously with the area of contact at edge, guarantees to connect firmly.
A manufacturing process of a glass fiber reinforced plastic aluminum core honeycomb plate for a carriage comprises the following specific process steps:
(1) cutting an epoxy flame-retardant prepreg layer 1, a high-strength epoxy film bonding layer 2 and an aluminum honeycomb core layer 3 according to the size of a required plate (a backing plate and a cover plate), wherein the epoxy flame-retardant prepreg layer 1 corresponding to each plate is six, the high-strength epoxy film bonding layer 2 is two, and the length and the width of the epoxy flame-retardant prepreg layer and the high-strength epoxy film bonding layer are reserved and enlarged by 5-10cm when being cut, so that the compounding difficulty is reduced;
(2) firstly, paving three epoxy flame-retardant prepreg layers 1 in the middle of the surface of a base plate pasted with demolding cloth, enabling release paper of the epoxy flame-retardant prepreg layers to face downwards, fixing the positions of the epoxy flame-retardant prepreg layers after the epoxy flame-retardant prepreg layers are paved, and tearing, adhering and fixing the release paper from the bottom of an adhesive surface;
(3) a high-strength epoxy adhesive film bonding layer 2 is laid on the epoxy flame-retardant prepreg layer on the backing plate, the adhesive surface is upward, and release paper is torn off; then, taking the central line of the backing plate as a reference, and paving an aluminum honeycomb core layer 3 in the middle on the surface of the high-strength epoxy adhesive film bonding layer 2;
(4) a template filled with putty is placed on the upper layer of the aluminum honeycomb core layer 3, the template is placed in the center of the honeycomb core, and the length and width directions of the template cannot exceed the honeycomb core; filling putty at the corresponding position of the template by using a scraper, and enabling the putty to enter the hole of the aluminum honeycomb core layer 3 (epoxy glue is light, the density is only 0.5-0.6 g/cubic centimeter, but the strength is high, and the edge sealing effect is good);
(5) a high-strength epoxy adhesive film bonding layer 2 is paved on the upper surface of the aluminum honeycomb core layer 3 filled with the putty, and the adhesive surface of the high-strength epoxy adhesive film bonding layer 2 is bonded on the upper surface of the aluminum honeycomb core layer 3; then, three epoxy flame-retardant prepreg layers 1 are paved on the upper surface of the high-strength epoxy adhesive film bonding layer 2, and the adhesive surfaces of the epoxy flame-retardant prepreg layers 1 face upwards and are sequentially bonded and fixed;
(6) marking plate numbers at the edge of the epoxy flame-retardant prepreg layer 1 according to putty template numbers, covering a cover plate and bonding the cover plate with the epoxy flame-retardant prepreg layer 1 at the uppermost layer, wherein the cover plate is convenient to be flush with the edge of the backing plate;
(7) pushing the laid blank into a lifting platform, and then pushing the blank into a die cavity of a pressing machine in the middle; only one blank can be placed into each die cavity of the press, and after the die cavities are filled, the temperature is set according to the process: the first stage is 70 ℃, and the second stage is 120 ℃;
time: 1 hour in the first stage and 2 hours in the second stage, then closing the mold, and putting down the heat preservation curtains on the two sides;
(8) and closing the die, and placing the fixed-thickness strips at two ends of the base plate and the cover plate.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A glass fiber reinforced plastic aluminum core honeycomb plate for a carriage comprises an epoxy flame-retardant prepreg layer, a high-strength epoxy film bonding layer and an aluminum honeycomb core layer, and is characterized in that the high-strength epoxy film bonding layer and a plurality of epoxy flame-retardant prepreg layers are sequentially and compositely connected with two side surfaces of the aluminum honeycomb core layer; the edge of the aluminum honeycomb core layer is bonded with a fixed-thickness strip, the fixed-thickness strip is positioned between two epoxy flame-retardant prepreg layers on two side faces of the aluminum honeycomb core layer, and the fixed-thickness strip is formed by integrally forming a plurality of trapezoidal blocks which are distributed at equal intervals on one side of a stainless steel strip.
2. The FRP-Al core honeycomb panel for the carriage according to claim 1, wherein the trapezoidal block is provided with an inverted T-shaped chute from one side to the middle part towards one side of the aluminum honeycomb core layer, the T-shaped chute is used for slidably connecting one end of a nail, the other end of the nail is inserted into the aluminum honeycomb core layer and fixed, and a plurality of barbs inclining to the T-shaped chute are welded on the outer surface of the nail.
3. The frp-core honeycomb panel for vehicle cabins according to claim 1, wherein the number of the epoxy flame retardant prepreg layers is three-ply composite.
4. The glass reinforced plastic aluminum core honeycomb panel for vehicle cabins according to claim 1 or 2, wherein the single layer thickness of the epoxy flame retardant prepreg layer is 0.7-0.8 mm.
5. The glass reinforced plastic aluminum core honeycomb panel for the vehicle compartment as claimed in claim 1, wherein the high strength epoxy adhesive film bonding layer has a thickness of 0.28-0.32 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970831.XU CN211000303U (en) | 2019-06-26 | 2019-06-26 | A glass steel aluminum core honeycomb panel for carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970831.XU CN211000303U (en) | 2019-06-26 | 2019-06-26 | A glass steel aluminum core honeycomb panel for carriage |
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| Publication Number | Publication Date |
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| CN211000303U true CN211000303U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920970831.XU Active CN211000303U (en) | 2019-06-26 | 2019-06-26 | A glass steel aluminum core honeycomb panel for carriage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157724A (en) * | 2022-07-16 | 2022-10-11 | 广东皓强科技有限公司 | Multilayer glass fiber reinforced hollow plastic plate compounding process and system |
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2019
- 2019-06-26 CN CN201920970831.XU patent/CN211000303U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157724A (en) * | 2022-07-16 | 2022-10-11 | 广东皓强科技有限公司 | Multilayer glass fiber reinforced hollow plastic plate compounding process and system |
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