CN108081681A - A kind of mixing sandwich structure and its processing method with sloped transition area - Google Patents
A kind of mixing sandwich structure and its processing method with sloped transition area Download PDFInfo
- Publication number
- CN108081681A CN108081681A CN201711347259.3A CN201711347259A CN108081681A CN 108081681 A CN108081681 A CN 108081681A CN 201711347259 A CN201711347259 A CN 201711347259A CN 108081681 A CN108081681 A CN 108081681A
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- Prior art keywords
- transition area
- sloped transition
- honeycomb
- area
- interlayer
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- 230000007704 transition Effects 0.000 title claims abstract description 36
- 238000003672 processing method Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000011162 core material Substances 0.000 claims abstract description 28
- 239000006260 foam Substances 0.000 claims abstract description 28
- 239000011229 interlayer Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000001413 cellular effect Effects 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 210000001161 mammalian embryo Anatomy 0.000 claims description 21
- 239000003292 glue Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000012792 core layer Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002466 imines Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
Landscapes
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of mixing sandwich structures with sloped transition area, including interlayer area, sloped transition area and contour connection area, it is made of inside panel, exterior skin, interlayer honeycomb is equipped between the inside and outside covering in interlayer area, border enhancement layer is equipped between the inside and outside covering in contour connection area, foam core is equipped between the inside and outside covering in sloped transition area.The present invention not only remains the high rigidity of honeycomb sandwich construction and the characteristic of light weight, also effectively raises the manufacture process of honeycomb sandwich structure.First, in main interlayer area still using cellular sandwich material, border need not repair slope, reduce the difficulty of processing of honeycomb core material；Secondly, the workability of foam core material is made full use of in sloped transition area, forms high-precision slope, its good splicing performance can also be utilized, the rational utilization of material is realized, improve stock utilization.
Description
Technical field
The present invention relates to a kind of sandwich structure, especially a kind of mixing sandwich structure and its processing with sloped transition area
Method.
Background technology
Existing honeycomb interlayer wall panel structure is made of interior exterior skin and honeycomb core, in order to connect needs, in this class formation
Border is usually all designed with contour connection area, as shown in Figure of description 1, without the only interior exterior skin of honeycomb in bonding pad；
And in order to avoid there is rigidity mutation in interlayer area to contour connection area, it will usually sloped transition area is designed therebetween, it will
Cell edge carries out bevelling processing, and inside panel is plated in along slope.However, this mode needs honeycomb to be carried out accurately when processing
Slope processing, due to the particularity of honeycomb, side poor rigidity so that when having pressure to side in process, hold
Be also easy to produce deformation, lead to problems such as to manufacture it is overproof, so this to technique manufacture propose very high requirement, especially for some
There is the external surface of curvature, it is easier to occur overproof.Moreover, honeycomb sandwich construction into autoclave is needed for some, due to right
Honeycomb laterally has pressure, is also easy to the situation for the lateral be collapsed of honeycomb occur, and high requirement is proposed to technology controlling and process.
The content of the invention
It is effective to solve the object of the present invention is to provide a kind of mixing sandwich configuration based on foam core and cellular sandwich
The problem of honeycomb sloped transition area Process Quality Control difficulty is high.
The technical solution that the present invention takes is a kind of mixing sandwich structure with sloped transition area, including interlayer area, tiltedly
Slope transition region and contour connection area, are made of inside panel, exterior skin, and interlayer honeycomb, side are equipped between the inside and outside covering in interlayer area
Border enhancement layer is equipped between the inside and outside covering in boundary bonding pad, foam core is equipped between the inside and outside covering in sloped transition area.
Above-mentioned foam core passes through foam glue sticking with interlayer honeycomb.
Above-mentioned foam core is closed-cell foam, and material is PMI (polymethyl imines).
Interlayer honeycomb is the honeycomb of full-height, and transition region foam is located at honeycomb transition region, using foamed glue and interlayer honeycomb
Connection.
A kind of mixing sandwich structure with sloped transition area, processing method comprise the following steps：
The first step：Honeycomb is cut, forms cellular sandwich embryo material, it is desirable that：Side boundaries dimensioned is to final size；
Second step：Foam core material is cut, forms the embryo material of sloped transition area core, it is desirable that：Inner boundary dimensioned is to most
Whole size, to splice with honeycomb；
3rd step：Cellular sandwich embryo material is carried out to be bonded, formation with foamed glue with the foam embryo material of sloped transition area core
Mix sandwich embryo material；
4th step：It repaiies with numerical control machine plus manually the mode cut and is worked into final size by sandwich embryo material is mixed；
5th step：By the mixing sandwich embryo material of machine-shaping and inside and outside covering and enhancement layer according to common process mode into
Type.
The present invention has the advantages that and advantage：
The present invention not only remains the high rigidity and weight of honeycomb sandwich construction compared to for traditional honeycomb sandwich construction
The characteristic of amount also effectively raises the manufacture process of honeycomb sandwich structure.First, bee is still used in main interlayer area
Nest sandwich material, border need not repair slope, reduce the difficulty of processing of honeycomb core material；Secondly, it is fully sharp in sloped transition area
With the workability of foam core material, high-precision slope is formed, its good splicing performance can also be utilized, realize the conjunction of material
Physics and chemistry utilizes, and improves stock utilization；Finally, using the mixing sandwich structure of this mode, in cure under pressure, can also have
Effect avoids the risk of honeycomb sloped region be collapsed.
Illustrate attached drawing
Fig. 1 is existing sandwich structure schematic diagram；
Fig. 2 is sandwich shaft side figure of the present invention；
Fig. 3 is sandwich sectional view of the present invention；
Fig. 4 is preparation flow figure of the present invention.
Specific embodiment
It elaborates below in conjunction with the accompanying drawings to the present invention.
A kind of mixing sandwich structure with sloped transition area, including interlayer area, sloped transition area and contour connection area,
Be made of inside panel 3, exterior skin 4, between the inside and outside covering in interlayer area be equipped with interlayer honeycomb 1, the inside and outside covering in contour connection area it
Between be equipped with border enhancement layer 6, foam core 2 is equipped between the inside and outside covering in sloped transition area, as shown in Figure 2,3.
Above-mentioned foam core 2 passes through the glue sticking that foams with interlayer honeycomb 1.
Interlayer honeycomb 1 is the aramid fiber paper honeycomb of full-height.
The material of above-mentioned foam core 2 be polymethyl imines foamed plastics, the good mechanical properties of all directions, thermal change
Shape temperature and chemical stabilization are the preferable sandwich materials of high-performance core filled composite material structure.In addition, machining property is good,
Sloped transition area is highly suitable for use as core.
Embodiment illustrated in fig. 3 is the sandwich sectional view involved by the processing method that invention patent proposes.
Show that the mixing sandwich structure is glued by interlayer honeycomb 1, sloped transition area foam core 2, inside panel 3, exterior skin 4, border enhancement layer 6
It connects and cures, wherein interlayer honeycomb 1 uses foam glue sticking with the border that is bonded of sloped transition area foam core 2.
Embodiment illustrated in fig. 4 is the preparation flow figure involved by the processing method that patent of the present invention proposes, processing method bag
Include following steps：
The first step：Honeycomb is cut, forms cellular sandwich embryo material, it is desirable that：Side boundaries dimensioned is to final size；
Second step：Foam core is cut, forms the embryo material of sloped transition area core, it is desirable that：Inner boundary dimensioned is to final ruler
It is very little, to splice with honeycomb；
3rd step：Cellular sandwich embryo material is carried out to be bonded, formation with foamed glue with the foam embryo material of sloped transition area core
Mix sandwich embryo material；
4th step：It repaiies with numerical control machine plus manually the mode cut and is worked into final size by sandwich embryo material is mixed；
5th step：By the mixing sandwich embryo material of machine-shaping and inside and outside covering and enhancement layer according to common process mode glue
Connect curing molding.
Claims (6)
1. a kind of mixing sandwich structure with sloped transition area, it is characterised in that：Including interlayer area, sloped transition area and border
Bonding pad is made of inside panel, exterior skin, and interlayer honeycomb is equipped between the inside and outside covering in interlayer area, and contour connection area is inside and outside
Border enhancement layer is equipped between covering, foam core is equipped between the inside and outside covering in sloped transition area.
2. the mixing sandwich structure according to claim 1 with sloped transition area, it is characterised in that：Foam core and interlayer
Honeycomb passes through foam glue sticking.
3. the mixing sandwich structure according to claim 1 with sloped transition area, it is characterised in that：Interlayer honeycomb is complete
The honeycomb of height.
4. the mixing sandwich structure according to claim 1 with sloped transition area, it is characterised in that：Foam core is closed pore
Foam.
5. the mixing sandwich structure with sloped transition area according to claim 1 or 4, it is characterised in that：Material is
PMI。
6. a kind of processing method of the mixing sandwich structure with sloped transition area, which is characterized in that comprise the following steps：
The first step：Honeycomb is cut, forms cellular sandwich embryo material, it is desirable that：Side boundaries dimensioned is to final size；
Second step：Foam core material is cut, forms the embryo material of sloped transition area core, it is desirable that：Inner boundary dimensioned is to final ruler
It is very little, to splice with honeycomb；
3rd step：Cellular sandwich embryo material is carried out to be bonded, formation mixing with foamed glue with the foam embryo material of sloped transition area core
Sandwich embryo material；
4th step：Mixing sandwich embryo material is worked into final size；
5th step：The mixing sandwich embryo material of machine-shaping is molded with inside and outside covering and enhancement layer according to common process mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711347259.3A CN108081681A (en) | 2017-12-15 | 2017-12-15 | A kind of mixing sandwich structure and its processing method with sloped transition area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711347259.3A CN108081681A (en) | 2017-12-15 | 2017-12-15 | A kind of mixing sandwich structure and its processing method with sloped transition area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108081681A true CN108081681A (en) | 2018-05-29 |
Family
ID=62176379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711347259.3A Pending CN108081681A (en) | 2017-12-15 | 2017-12-15 | A kind of mixing sandwich structure and its processing method with sloped transition area |
Country Status (1)
| Country | Link |
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| CN (1) | CN108081681A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494475A (en) * | 2018-07-13 | 2019-03-19 | 中国航空工业集团公司济南特种结构研究所 | A kind of multi-layer honeycomb structure with enhancing radome root rigidity |
| CN109687139A (en) * | 2018-12-07 | 2019-04-26 | 中国航空工业集团公司济南特种结构研究所 | A kind of structure enhancing radome root rigidity |
| CN110416723A (en) * | 2019-07-22 | 2019-11-05 | 中国航空工业集团公司济南特种结构研究所 | A kind of radome root structure of foam enhancing |
| CN110444883A (en) * | 2019-07-26 | 2019-11-12 | 中国航空工业集团公司济南特种结构研究所 | A kind of more interlayer honeycomb antenna houses using foam transition structure |
| CN110744872A (en) * | 2019-11-04 | 2020-02-04 | 中国航空工业集团公司基础技术研究院 | Composite material honeycomb sandwich structure and foaming glue filling method used in same |
| CN111969315A (en) * | 2020-08-26 | 2020-11-20 | 中国航空工业集团公司济南特种结构研究所 | Layering transition structure of five-layer structure antenna housing |
| CN112291963A (en) * | 2020-10-21 | 2021-01-29 | 航天特种材料及工艺技术研究所 | Composite material box for flight platform external-hanging electronic equipment |
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| CN103153782A (en) * | 2010-07-20 | 2013-06-12 | 空中客车运作有限责任公司 | Main-load-bearing planking shell and structural component and flow body comprising such a main-load-bearing planking shell |
| CN103786867A (en) * | 2012-10-30 | 2014-05-14 | 贝尔直升机德事隆公司 | Method of repairing, splicing, joining, machining, and stabilizing honeycomb core using pourable structural foam and a structure incorporating the same |
| WO2016135092A1 (en) * | 2015-02-24 | 2016-09-01 | Airbus Defence And Space Sas | Composite panel provided with an improved assembly end piece and structure comprising such a panel |
-
2017
- 2017-12-15 CN CN201711347259.3A patent/CN108081681A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103153782A (en) * | 2010-07-20 | 2013-06-12 | 空中客车运作有限责任公司 | Main-load-bearing planking shell and structural component and flow body comprising such a main-load-bearing planking shell |
| CN103786867A (en) * | 2012-10-30 | 2014-05-14 | 贝尔直升机德事隆公司 | Method of repairing, splicing, joining, machining, and stabilizing honeycomb core using pourable structural foam and a structure incorporating the same |
| WO2016135092A1 (en) * | 2015-02-24 | 2016-09-01 | Airbus Defence And Space Sas | Composite panel provided with an improved assembly end piece and structure comprising such a panel |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494475A (en) * | 2018-07-13 | 2019-03-19 | 中国航空工业集团公司济南特种结构研究所 | A kind of multi-layer honeycomb structure with enhancing radome root rigidity |
| CN109687139A (en) * | 2018-12-07 | 2019-04-26 | 中国航空工业集团公司济南特种结构研究所 | A kind of structure enhancing radome root rigidity |
| CN110416723A (en) * | 2019-07-22 | 2019-11-05 | 中国航空工业集团公司济南特种结构研究所 | A kind of radome root structure of foam enhancing |
| CN110444883A (en) * | 2019-07-26 | 2019-11-12 | 中国航空工业集团公司济南特种结构研究所 | A kind of more interlayer honeycomb antenna houses using foam transition structure |
| CN110744872A (en) * | 2019-11-04 | 2020-02-04 | 中国航空工业集团公司基础技术研究院 | Composite material honeycomb sandwich structure and foaming glue filling method used in same |
| CN110744872B (en) * | 2019-11-04 | 2021-10-29 | 中国航空工业集团公司基础技术研究院 | Composite material honeycomb sandwich structure and foaming glue filling method used in same |
| CN111969315A (en) * | 2020-08-26 | 2020-11-20 | 中国航空工业集团公司济南特种结构研究所 | Layering transition structure of five-layer structure antenna housing |
| CN112291963A (en) * | 2020-10-21 | 2021-01-29 | 航天特种材料及工艺技术研究所 | Composite material box for flight platform external-hanging electronic equipment |
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Application publication date: 20180529 |
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| RJ01 | Rejection of invention patent application after publication |