CN208324391U - A kind of honeycomb core material of multilayer core wall - Google Patents
A kind of honeycomb core material of multilayer core wall Download PDFInfo
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- CN208324391U CN208324391U CN201820994793.7U CN201820994793U CN208324391U CN 208324391 U CN208324391 U CN 208324391U CN 201820994793 U CN201820994793 U CN 201820994793U CN 208324391 U CN208324391 U CN 208324391U
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Abstract
The utility model discloses a kind of honeycomb core materials of multilayer core wall manufactured using pulling method or development method, the core wall that draw direction is not orthogonal in core wall is separable wall, in core wall perpendicular to the core wall of draw direction be fixedly connected with wall, it is fixedly connected between the multilayer of wall and is fixedly connected, the inside for separating wall is discrete state.Cross section is in layered structure at the discrete state of separable wall.It is fixedly connected between each layer of wall and is mutually bonded or welds.Honeycomb core material includes multiple honeycomb sandwich layers, and the honeycomb sandwich layer is at least fixedly connected being fixedly connected at wall position.Discrete state is set as at separable wall between each honeycomb sandwich layer, is parting surface at discrete state.The honeycomb core material of the multilayer core wall, for multi-layer honeycomb sandwich layer when stretching, the structure at separable wall is easier brake forming compared to more whole structure, and drawing force is allowed to reduce, and makes honeycomb core material be easier to be opened, improves the yield rate of product.
Description
Technical field
The utility model relates to the structures by pulling method or the molding honeycomb hole trellis product of development method, material neck
Domain more particularly to a kind of honeycomb core material of multilayer core wall.
Background technique
Honeycomb has biggish strength-weight ratio, the requirement of larger intensity can be met with lesser section, and can
Significantly reduce the self weight of structural body itself.Therefore, honeycomb has that structural stability is good, impact resistance and cushioning performance is good
Advantage.In sandwich structure part, largely use honeycomb core material as sandwich material.In a vehicle or need buffering energy-absorbing
Occasion in, use on the buffer of honeycomb as absorb impact component have preferable performance.
In the prior art, production honeycomb structure generallys use pulling method (also referred to as: development method) due to by moulding process,
The especially limitation of drawing process, and it is difficult to produce flat compressed intensity in the honeycomb core material of 15MPa or more.Also, pass through
It during pulling method production molding, is easy to generate abnormal deformation in deformed region, reduces the quality of product or even generate defect ware,
It is unable to satisfy the requirement used.As shown in Figure 1, each core wall of honeycomb core material is overall structure, deformation force needs larger.
It can be seen that the limitation of the honeycomb core material structure design design of the prior art, during the manufacturing, especially
In the high-intensitive honeycomb core material of manufacture, there are honeycomb core materials to stretch difficulty, is easy in stretching process unsuccessfully to reduce because stretching
The quality and yield rate of product.
Utility model content
In view of this, the main purpose of the utility model is to provide a kind of structurally reasonable, it is more easily curved in deformed region
Song deformation molding, reduces drawing force size, improves the honeycomb core material of the multilayer core wall of yield rate.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of honeycomb core material of multilayer core wall, the core wall of each honeycomb cell of honeycomb core material include separable wall and fixation
Connection wall, the core wall that draw direction is not orthogonal in the core wall is separable wall, perpendicular to the core wall of draw direction in core wall
To be fixedly connected with wall, described be fixedly connected between the multilayer of wall is fixedly connected, and the inside of the separable wall is discrete state.
Cross section is in layered structure at the discrete state of the separable wall.
Described be fixedly connected between each layer of wall is mutually bonded or welds.
The honeycomb core material includes multiple honeycomb sandwich layers, and the honeycomb sandwich layer is at least being fixedly connected at wall position fixed company
It connects.
Discrete state is set as at the separable wall between each honeycomb sandwich layer, is parting surface at the discrete state.
Preferably, the separable wall includes two layers of honeycomb sandwich layer.Being also possible to separable wall includes three layers of honeycomb sandwich layer
Preferably, the number of plies for being fixedly connected with wall honeycomb sandwich layer is twice of separable wall.The wall that is fixedly connected is
Four layers or six layers of honeycomb sandwich layer.
The core wall material of the honeycomb cell is metal foil or paper or plastics.
Preferably, the hexagonal structure of the honeycomb cell or the side length close to hexagonal structure are 1mm-10mm.
Preferably, the material thickness of the honeycomb sandwich layer is 0.02mm-0.2mm.
The honeycomb core material of the multilayer core wall of the utility model, has the following beneficial effects:
The honeycomb core material of the multilayer core wall includes: to be not orthogonal to stretching in the core wall of each honeycomb cell of honeycomb core material
The core wall in direction is separable wall, and the core wall perpendicular to draw direction is to be fixedly connected with wall, is fixedly connected between the multilayer of wall solid
Fixed connection, the middle part for separating wall is discrete state.It avoids in the prior art, due to honeycomb core material structure design limitation,
During the manufacturing, there are honeycomb cores to stretch difficulty, is easy when manufacturing high-intensitive honeycomb core material, in stretching process because stretching
Failure reduces the quality and yield rate of product.The honeycomb core material of the multilayer core wall, multi-layer honeycomb sandwich layer during stretching, each
The separable wall of honeycomb cell generates bending deformation, under the action of drawing force, honeycomb hole with wall junction material is fixedly connected with
Lattice continuous deformation makes separable wall and the angle being fixedly connected between wall become smaller, and then obtains hexagon or approximate hexagon
Honeycomb hole trellis shape.Inside due to separating wall is discrete state, so that the structure at separable wall is compared when stretching
More inseparable overall structure is easier brake forming, and drawing force is allowed to reduce, and honeycomb core material is made to be easier to be opened, and improves
The yield rate of product.
Detailed description of the invention
Fig. 1 is honeycomb core material structural schematic diagram in the prior art；
Fig. 2 is structural schematic diagram when stretching half according to a kind of honeycomb core material of embodiment multilayer core wall of the disclosure；
Structural schematic diagram when Fig. 3 is the honeycomb core material drawing and forming according to a kind of embodiment multilayer core wall of the disclosure；
Fig. 4 is according to the separable wall of mark when a kind of honeycomb core material drawing and forming of embodiment multilayer core wall of the disclosure and admittedly
Determine the structural schematic diagram of angle between connection wall；
Structure when Fig. 5 is the honeycomb core material drawing and forming according to a kind of embodiment multilayer core wall of the disclosure at parting surface is shown
It is intended to.
[primary clustering symbol description]
1, parting surface, 2, separable wall, 3, be fixedly connected with wall, 4, honeycomb cell.
Specific embodiment
With reference to the accompanying drawing and the embodiments of the present invention to the honeycomb core material of the multilayer core wall of the utility model make into
One step detailed description.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the honeycomb core material of the multilayer core wall, each honeycomb cell 4 of honeycomb core material
Core wall includes separable wall 2 and is fixedly connected with wall 3, and the core wall that draw direction is not orthogonal in core wall is to separate wall 2, in core wall
Core wall perpendicular to draw direction is to be fixedly connected with wall 3, is fixedly connected between the multilayer of wall 3 and is fixedly connected, and is separated in wall 2
Portion is discrete state.During stretching, the separable wall of each honeycomb cell 4 connects multi-layer honeycomb sandwich layer with wall is fixedly connected with
Locate material and generate bending deformation (i.e. the angle α in figure), under the action of drawing force, 4 continuous deformation of honeycomb cell makes separable wall 2
And the angle (i.e. the angle α in figure) being fixedly connected between wall 3 becomes smaller, and then obtains the honeycomb cell of hexagon or approximate hexagon
Shape.Middle part due to separating wall 2 is discrete state, so that separating the structure at wall 2 compared to more inseparable when stretching
From overall structure be easier brake forming, and drawing force is allowed to reduce, honeycomb core material is made to be easier to be opened, improve product at
Product rate；So that honeycomb core material structure is more reasonable.
In order to facilitate stretcher strain is easy between molding, especially multi-layer honeycomb sandwich layer during stretching, wall 2 is separated
Discrete state at cross section be in layered structure.Especially, separated structure existing between honeycomb sandwich layer at the separable wall 2,
Stretching is easily deformed to meet honeycomb sandwich layer.Certainly structure can also be other layered structures at this, as long as can satisfy
Separable wall 2 facilitates deformation.
It is fixedly connected at wall 3 for convenience, honeycomb sandwich layer facilitates connection between each other, is fixedly connected between each layer of wall 3
It is mutually bonded or welds.Guarantee that other connection types of bonding strength also may be used.
In order to facilitate the manufacturing of honeycomb core material, molding 4 knot of honeycomb hole lattice is realized especially by mature pulling method
Structure, the honeycomb core material include multiple honeycomb sandwich layers, and honeycomb sandwich layer is at least fixedly connected being fixedly connected at 3 position of wall.
Separable wall 2 can be two layers of honeycomb sandwich layer, or three layers of honeycomb sandwich layer, it is even more, but can divide
It is parting surface 1 at discrete state from discrete state is set as between honeycomb sandwich layer each at wall 2.By not applied at parting surface 1
If bonding agent or welding compound, be not fixed connection at separable wall 2 to realize, realize at separable wall 2, each honeycomb sandwich layer it
Between can be small opposite sliding, and bending reduces drawing force required for stretching.
Preferably, in order to reduce processing technology difficulty, separating wall 2 includes two layers of honeycomb sandwich layer.Being fixedly connected with wall 3 is four
Layer honeycomb sandwich layer.It certainly can also be that separable wall 2 includes three layers of honeycomb sandwich layer.Being fixedly connected with wall 3 is six layers of honeycomb sandwich layer
In order to meet the requirement of different occasions, the core wall material of honeycomb cell 4 is metal foil or paper or modeling
Material.
The hexagonal structure of honeycomb cell 4 or close to hexagonal structure side length be 1mm-10mm.Preferably, hexagon
Structure or close to hexagonal structure side length be 1.5mm.
The material thickness of honeycomb sandwich layer is 0.02mm-0.2mm.Preferably, the material thickness of honeycomb sandwich layer is 0.05mm.
The above, the only preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range.
Claims (10)
1. a kind of honeycomb core material of multilayer core wall, which is characterized in that the core wall of each honeycomb cell (4) of honeycomb core material includes can
Separation wall (2) be fixedly connected wall (3), the core wall that draw direction is not orthogonal in the core wall is separable wall (2), in core wall
Core wall perpendicular to draw direction is to be fixedly connected wall (3), is fixedly connected between the multilayer for being fixedly connected with wall (3), described
The inside of separable wall (2) is discrete state.
2. the honeycomb core material of multilayer core wall according to claim 1, which is characterized in that the separation of the separable wall (2)
Cross section is in layered structure at state.
3. the honeycomb core material of multilayer core wall according to claim 1, which is characterized in that described to be fixedly connected with each of wall (3)
It is mutually bonded or welds between layer.
4. the honeycomb core material of multilayer core wall according to claim 1, which is characterized in that the honeycomb core material includes multiple bees
Nest sandwich layer, the honeycomb sandwich layer are at least fixedly connected being fixedly connected at wall (3) position.
5. the honeycomb core material of multilayer core wall according to claim 4, which is characterized in that each at the separable wall (2)
It is set as discrete state between honeycomb sandwich layer, is parting surface (1) at the discrete state.
6. the honeycomb core material of multilayer core wall according to claim 4, which is characterized in that the separable wall (2) includes two
Layer honeycomb sandwich layer.
7. the honeycomb core material of multilayer core wall according to claim 4, which is characterized in that described to be fixedly connected with wall (3) honeycomb
The number of plies of sandwich layer is twice of separable wall.
8. the honeycomb core material of multilayer core wall according to claim 1-7, which is characterized in that the honeycomb cell
(4) core wall material is metal foil or paper or plastics.
9. the honeycomb core material of multilayer core wall according to claim 1-7, which is characterized in that the honeycomb cell
(4) hexagonal structure or close to the side length of hexagonal structure be 1mm-10mm.
10. according to the honeycomb core material of the described in any item multilayer core walls of claim 4-7, which is characterized in that the honeycomb sandwich layer
Material thickness be 0.02mm-0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994793.7U CN208324391U (en) | 2018-06-26 | 2018-06-26 | A kind of honeycomb core material of multilayer core wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820994793.7U CN208324391U (en) | 2018-06-26 | 2018-06-26 | A kind of honeycomb core material of multilayer core wall |
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| CN208324391U true CN208324391U (en) | 2019-01-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978650A (en) * | 2020-03-05 | 2020-04-10 | 深圳市乾行达科技有限公司 | Novel honeycomb structure and manufacturing method thereof |
| CN111391417A (en) * | 2020-03-16 | 2020-07-10 | 哈尔滨工业大学 | Novel honeycomb structure and honeycomb energy-absorbing piece |
| CN111457237A (en) * | 2020-05-26 | 2020-07-28 | 北京安达泰克科技有限公司 | Flexible honeycomb structure and manufacturing method thereof |
-
2018
- 2018-06-26 CN CN201820994793.7U patent/CN208324391U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978650A (en) * | 2020-03-05 | 2020-04-10 | 深圳市乾行达科技有限公司 | Novel honeycomb structure and manufacturing method thereof |
| CN111391417A (en) * | 2020-03-16 | 2020-07-10 | 哈尔滨工业大学 | Novel honeycomb structure and honeycomb energy-absorbing piece |
| CN111391417B (en) * | 2020-03-16 | 2022-10-11 | 哈尔滨工业大学 | Honeycomb structure and honeycomb energy absorption piece |
| CN111457237A (en) * | 2020-05-26 | 2020-07-28 | 北京安达泰克科技有限公司 | Flexible honeycomb structure and manufacturing method thereof |
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