CN208035586U - A kind of PP composite honeycombs sandwich sheet - Google Patents
A kind of PP composite honeycombs sandwich sheet Download PDFInfo
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- CN208035586U CN208035586U CN201820155778.3U CN201820155778U CN208035586U CN 208035586 U CN208035586 U CN 208035586U CN 201820155778 U CN201820155778 U CN 201820155778U CN 208035586 U CN208035586 U CN 208035586U
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- keriotheca
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Abstract
The utility model discloses a kind of PP composite honeycombs sandwich sheets, belong to building board technical field, including upper covering, lower covering, keriotheca, and the upper covering and lower covering are respectively overlay in the both sides up and down of keriotheca；It also accompanies one layer of glued membrane in the contact surface of upper covering and keriotheca, one layer of glued membrane is also accompanied in the contact surface of lower covering and keriotheca, keriotheca is filled with core material by the cylinder dense arrangement of multiple cylinders into each cylindrical inner barrel.The utility model is simple in structure, cost-effective, stability is good, it can realize heat-insulated, sound insulation, impact-resistant effect, meet the requirement of vibration damping, noise reduction simultaneously, it is of low cost, and with rapid shaping, it can be widely used in the external load-carrying construction and interior trim time load-carrying construction of aircraft, motor van, high ferro, steamer etc..
Description
Technical field
The utility model is related to building board technical field, specifically a kind of PP composite honeycombs sandwich sheet.
Background technology
Honeycomb board is also known as sandwich sheet, by between two layers of plate face increase honeycomb sandwich by obtain, have light weight,
The high feature of intensity, wherein PP cellular boards have high-strength light, water-fast, heat-insulated, sound insulation, modification and impact resistance etc. are special again for thermoplastic
Point is particularly suitable for making various compound sandwich, and the recyclable recycling of PP honeycomb boards, therefore is widely used.But current city
Existing PP cellular boards on face typically use the structure of the PP cellular boards of upper layer and lower layer covering and intermediate folder, due to PP
Material chemical constitution inertia, makes it have high-crystallinity, mostly there is low-surface-energy, nonpolarity and weak interface layer characteristic, Yi Fa
Raw warpage and deformation.Notification number be CN205800348U Chinese patent disclose a kind of novel PP honeycomb boards, by
The mode of metal column is added in PP cellular boards to increase intensity, but this method not only increases cost, but also internal structure is allowed to become
Complex increases difficulty of processing.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of PP composite honeycombs simple in structure, cost-effective, stability is good
Sandwich sheet.
The technical solution of the utility model is：
A kind of PP composite honeycombs sandwich sheet, including upper covering, lower covering, keriotheca, the upper covering and lower covering point
It is not covered in the both sides up and down of keriotheca；One layer of glued membrane, lower covering and honeycomb are also accompanied in the contact surface of upper covering and keriotheca
One layer of glued membrane is also accompanied in the contact surface of layer, keriotheca is formed by the cylinder dense arrangement of multiple cylinders, each is cylindrical
Inner barrel be filled with core material.
Further, the cylindrical tube of the keriotheca is PP coiled sheets into the outside connection of multiple cylindrical tubes
Together, combination constitutes PP cellular boards.
Further, multiple cylindrical tube rectangular array arrangement connections.
Further, multiple cylindrical tubes assume diamond in shape array arrangement connection.
Further, the outer surface of the upper covering and lower covering is equipped with twill.
Further, the upper covering and lower covering are carbon-fibre reinforced epoxy resin composite material covering.
Further, the core material is epoxy foam.
Further, the glued membrane is non-woven fabrics reinforced epoxy glued membrane.
The utility model has the beneficial effects that：
The utility model fills PP cellular boards using epoxy foam, constitutes laminboard layer, and using high intensity, high rigidity carbon fiber
Reinforced epoxy composite material is tieed up as external structure covering, lighter weight, intensity are higher, can realize heat-insulated, sound insulation, resistance to punching
The effect hit, while meeting the requirement of vibration damping, noise reduction, it is of low cost, and can be widely used in aircraft, case with rapid shaping
In external load-carrying construction and interior trim time load-carrying construction of formula lorry, high ferro, steamer etc..
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model three-dimensional appearance structural schematic diagram；
Fig. 3 is the detail view of a-quadrant in Fig. 2；
Fig. 4 is multiple cylindrical tube rectangular array arrangement schematic diagrams；
Fig. 5 is that multiple cylindrical tubes assume diamond in shape array arrangement schematic diagram.
As shown in the figure：
1 is PP cellular boards, and 2 be epoxy foam, and 3 be non-woven fabrics reinforced epoxy glued membrane, and 4 be carbon-fibre reinforced epoxy resin
Composite material skin.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figs. 1-3, a kind of PP composite honeycombs sandwich sheet, including upper covering, lower covering, keriotheca, the upper illiteracy
Skin and lower covering are respectively overlay in the both sides up and down of keriotheca；One layer of glued membrane is also accompanied in the contact surface of upper covering and keriotheca,
Also one layer of glued membrane is accompanied in the contact surface of lower covering and keriotheca, keriotheca is formed by the cylinder dense arrangement of multiple cylinders,
Each cylindrical inner barrel is filled with core material.By the way that glued membrane is arranged between upper covering and keriotheca, in lower covering
Glued membrane is set between keriotheca, core material is filled in cylinder, to realize good soundproof effect, improves the stabilization of plank
Property, and of low cost, lighter weight.
The cylindrical tube of the keriotheca be PP coiled sheets at, link together on the outside of multiple cylindrical tubes, group
It closes and constitutes PP cellular boards 1, the upper covering and lower covering are carbon-fibre reinforced epoxy resin composite material covering 4, the core material
For epoxy foam 2, the glued membrane is non-woven fabrics reinforced epoxy glued membrane 3.
As shown in figure 4, multiple cylindrical tube rectangular array arrangement connections.
As shown in figure 5, multiple cylindrical tubes assume diamond in shape, array arrangement connects.
Preferably, the outer surface of the upper covering and lower covering is equipped with twill.
The processing and fabricating mode of the utility model is：
The preparation of S1, foaming epoxy resin：Epoxy resin, nanometer toughener, foaming agent are weighed according to a certain percentage mixed
It closes, in heating environment, is stirred evenly in mixed at high speed blender；
The preparation of S2, curing agent：Aliphatic cyclic amine, fatty amine, accelerating agent, thixotropic agent are stirred in blender according to a certain percentage
It mixes uniformly；
S3, PP cellular boards 1 are put into the lower die being arranged for heating, foaming epoxy resin and curing agent according to proportioning
It after stirring evenly, at the uniform velocity injects in the cylindrical hole of PP cellular boards 1, is then closed upper mold, mold heating, foaming obtains epoxy
Foam 2；
S4, the filling of epoxy foam 2 PP honeycomb core materials obtained in step S3 are taken out, carries out trimming finishing；
Then covering prepreg lamination on S5, laying is sequentially placed glued membrane and has cleared up the epoxy foam 2 dried and fills PP
Honeycomb core material is sequentially placed non-woven fabrics reinforced epoxy glued membrane 3, lower covering prepreg lamination, after being laminated, is put into painting again later
There is the mould inside of releasing agent；
S6, it molded, pressurizeed using hydraulic press, then being heated up, kept the temperature, cooled down to mold successively, finally molded
Take out product；
S7, the product obtained by step S6 is post-processed, obtains PP composite honeycomb sandwich sheets.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not limited to the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (8)
1. a kind of PP composite honeycombs sandwich sheet, including upper covering, lower covering, keriotheca, the upper covering and lower covering difference
It is covered in the both sides up and down of keriotheca；It is characterized in that, one layer of glued membrane is also accompanied in the contact surface of upper covering and keriotheca, lower illiteracy
Also one layer of glued membrane is accompanied in the contact surface of skin and keriotheca, keriotheca is formed by the cylinder dense arrangement of multiple cylinders, each
The inner barrel of a cylinder is filled with core material.
2. a kind of PP composite honeycombs sandwich sheet according to claim 1, which is characterized in that the cylinder of the keriotheca
Cylinder is PP coiled sheets at linking together on the outside of multiple cylindrical tubes, combination constitutes PP cellular boards (1).
3. a kind of PP composite honeycombs sandwich sheet according to claim 2, which is characterized in that multiple cylindrical tubes are in square
Shape array arrangement connects.
4. a kind of PP composite honeycombs sandwich sheet according to claim 2, which is characterized in that multiple cylindrical tubes are in water chestnut
Shape array arrangement connects.
5. a kind of PP composite honeycombs sandwich sheet according to claim 1, which is characterized in that the upper covering and lower covering
Outer surface be equipped with twill.
6. a kind of PP composite honeycombs sandwich sheet according to claim 5, which is characterized in that the upper covering and lower covering
For carbon-fibre reinforced epoxy resin composite material covering (4).
7. a kind of PP composite honeycombs sandwich sheet according to claim 1, which is characterized in that the core material is epoxy foam
(2)。
8. a kind of PP composite honeycombs sandwich sheet according to claim 1, which is characterized in that the glued membrane increases for non-woven fabrics
Strong type epoxy jelly membrane (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820155778.3U CN208035586U (en) | 2018-01-30 | 2018-01-30 | A kind of PP composite honeycombs sandwich sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820155778.3U CN208035586U (en) | 2018-01-30 | 2018-01-30 | A kind of PP composite honeycombs sandwich sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208035586U true CN208035586U (en) | 2018-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820155778.3U Active CN208035586U (en) | 2018-01-30 | 2018-01-30 | A kind of PP composite honeycombs sandwich sheet |
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| Country | Link |
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| CN (1) | CN208035586U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848527A (en) * | 2020-12-30 | 2021-05-28 | 苏州云逸航空复合材料结构有限公司 | Composite board and manufacturing method thereof |
| CN113927984A (en) * | 2021-10-18 | 2022-01-14 | 航天科工武汉磁电有限责任公司 | Impact-resistant honeycomb interlayer wave-absorbing material and preparation method thereof |
-
2018
- 2018-01-30 CN CN201820155778.3U patent/CN208035586U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848527A (en) * | 2020-12-30 | 2021-05-28 | 苏州云逸航空复合材料结构有限公司 | Composite board and manufacturing method thereof |
| CN113927984A (en) * | 2021-10-18 | 2022-01-14 | 航天科工武汉磁电有限责任公司 | Impact-resistant honeycomb interlayer wave-absorbing material and preparation method thereof |
| CN113927984B (en) * | 2021-10-18 | 2023-08-11 | 航天科工武汉磁电有限责任公司 | Impact-resistant honeycomb interlayer wave-absorbing material and preparation method thereof |
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