CN210362567U - Carbon fiber composite material skin assembly - Google Patents
Carbon fiber composite material skin assembly Download PDFInfo
- Publication number
- CN210362567U CN210362567U CN201920732603.9U CN201920732603U CN210362567U CN 210362567 U CN210362567 U CN 210362567U CN 201920732603 U CN201920732603 U CN 201920732603U CN 210362567 U CN210362567 U CN 210362567U
- Authority
- CN
- China
- Prior art keywords
- layer
- porous
- blank
- carbon fiber
- fiber composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model relates to a carbon fiber composite skin assembly, which comprises a mould main body, a supporting layer, a first non-porous isolation layer, a non-porous supporting layer, a blank, a barrier strip, an auxiliary protection layer, a strippable layer, a second non-porous isolation layer, a soft film, a fabric layer, a first reinforcing layer, a second reinforcing layer, a porous isolation layer, an outer protective layer, an air-permeable felt and a vacuum bag; the carbon fiber composite skin assembly forms a new process pressing plate through the combination of the soft film and the demolding layer, and the white release film is not needed to be used, so that the indentation generated by the white release film is eliminated, and the product quality is improved.
Description
Technical Field
The utility model relates to a carbon fiber composite material covering assembly belongs to the carbon fiber products and gives birth to technical field.
Background
The aircraft skin is a dimensional component which is wrapped outside an aircraft framework structure and is fixed on the framework by using an adhesive or rivets to form the aerodynamic shape of the aircraft; the skin structure formed by the aircraft skin and the framework has larger bearing capacity and rigidity, and light dead weight, and plays a role in bearing and transmitting aerodynamic load; the skin bears the aerodynamic action and then transmits the acting force to the connected fuselage wing framework, the stress is complex, and in addition, the skin is directly contacted with the outside, so that the skin material is required to have high strength, good plasticity, smooth surface and higher corrosion resistance;
the existing skin can be stacked on the surface of a soft film to form a process pressing plate by a white release film in production, then a blank, a peelable film and a process are stacked together to form the skin process pressing plate and the porous insulation layer assembly, however, the white release film is found in practical application to cause the surface of the skin to have white indentations, and the flatness among the films is not enough, so that the surface of the skin is easily wrinkled.
SUMMERY OF THE UTILITY MODEL
The utility model provides a carbon fiber composite skin subassembly to the not enough of prior art existence, concrete technical scheme as follows:
a carbon fiber composite skin assembly comprises a blank, wherein a demolding layer is coated on the bottom surface of the blank, the blank is adhered to the surface of a mold main body, and an annular barrier strip is arranged on the surface of the blank; the auxiliary protective layer comprises a strippable layer, a second nonporous isolation layer, a soft film and a porous isolation layer; the strippable layer, the second nonporous isolation layer, the soft film and the two porous isolation layers are sequentially overlapped from bottom to top, and the barrier strip and the second nonporous isolation layer are used for facilitating the installation and positioning of the soft film so as to eliminate wrinkles on the surface of the skin; the top surface and the bottom surface of the soft film are coated with demolding layers, the soft film is connected with the demolding layers to eliminate skin indentation, and the second nonporous isolating layer is annular and is arranged at the edge of the surface of the strippable layer; the outer jacket, the outer jacket cover in the top of auxiliary protection layer, the outer jacket with the mould main part is connected, the outer jacket is used for forming seal structure in the covering outside.
Preferably, the mantle includes fabric layer, first enhancement layer and second enhancement layer, the both sides face of fabric layer covers has first enhancement layer, the corner of first enhancement layer is connected with the second enhancement layer, the second enhancement layer is used for improving the intensity of mantle chamfer, avoid the layering.
Preferably, the surface of the die body is provided with a support layer, the support layer comprises a first non-porous separation layer, a non-porous support layer and a porous support layer, the first non-porous separation layer, the non-porous support layer and the porous support layer are sequentially overlapped from bottom to top, the blank is overlapped on the surface of the porous support layer, and the first non-porous separation layer is bonded on the surface of the die body.
The utility model has the advantages that: the new process press plate is formed by combining the soft film and the demolding layer, and the white release film is not needed to be used, so that the indentation generated by the white release film is eliminated, and the product quality is improved.
Drawings
Fig. 1 is a schematic structural view of a composite skin assembly shown in the present invention;
fig. 2 is a schematic structural view of an auxiliary protective layer according to the present invention;
FIG. 3 is a schematic view of the structure of the soft membrane of the present invention;
fig. 4 is a schematic view of the supporting layer structure shown in the present invention.
Reference numerals: 1. the mould comprises a mould body, a support layer, a first non-porous isolation layer, a second non-porous isolation layer, a third non-porous support layer, a third non-porous isolation layer, a fourth non-porous.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A carbon fiber composite skin assembly comprises a blank 3, wherein a demolding layer is coated on the bottom surface of the blank 3 and is arranged to facilitate demolding of the blank 3; the release layer is exemplarily made by coating a release agent;
the blank 3 is adhered to the surface of the die body 1, and the surface of the blank 3 is provided with an annular barrier strip 31; a secondary protective layer 4, said secondary protective layer 4 comprising a peelable layer 41, a second non-porous barrier layer 42, a flexible film 43, and a porous barrier layer 44; the peelable layer 41, the second nonporous isolation layer 42, the soft film 43 and the two porous isolation layers 44 are sequentially overlapped from bottom to top, and the barrier strip 31 and the second nonporous isolation layer 42 are used for facilitating the installation and positioning of the soft film 43 so as to eliminate wrinkles on the surface of the skin; the barrier strip 31 and the second nonporous isolation layer 42 are used as mounting bases of the soft film 43 and the porous isolation layer 44, so that the soft film 43 and the porous isolation layer 44 can be laid more accurately and smoothly, and the surface of the skin has no wrinkles or pits; the peelable layer 41 is exemplified by a peelable film, the nonporous separator is exemplified by a nonporous separator, and the apertured separator is exemplified by an apertured separator;
the hole pattern of the two porous isolating layers 44 is P3, the holes enable a part of liquid to be extruded out, and the liquid is absorbed by the breathable felt 51 after passing through the soft film 43 and the porous isolating layers 44, so that the liquid content is reduced, and the strength of the product is improved;
the second nonporous isolation layer 42 is annular and is arranged at the surface edge of the strippable layer 41; the non-porous isolation layer mainly plays a role in isolation protection, and gas and liquid at the part where the non-porous isolation layer is located are prevented from flowing;
the top surface and the bottom surface of the soft film 43 are coated with the demolding layers, the soft film 43 and the demolding layers are connected to eliminate skin indentation, a new process pressing plate is formed through the combination of the soft film 43 and the demolding layers, and a white release film is not needed to be used, so that the indentation generated by the white release film is eliminated, and the product quality is improved;
the outer jacket 5, the outer jacket 5 cover in the top of auxiliary protection layer 4, outer jacket 5 with mould main part 1 is connected, outer jacket 5 is used for forming seal structure in the covering outside, and seal structure is used for making things convenient for follow-up negative pressure to bleed.
As a modification of the above technical solution, the soft film 43 includes a fabric layer 431, a first reinforcing layer 432 and a second reinforcing layer 433, the first reinforcing layer 432 covers both sides of the fabric layer 431, the second reinforcing layer 433 is connected to a corner of the first reinforcing layer 432, and the second reinforcing layer 433 is used to improve the strength of the soft film 43 at the chamfered corner and avoid delamination; the first reinforcing layer 432 is used for wrapping the outside of the fabric layer 431 and performing reinforced protection on the fabric layer 431, and the second reinforcing layer 433 is arranged outside the first reinforcing layer 432 and is used for further protecting the chamfer area of the fabric layer 431 and improving the strength; the first reinforcing layer 432 and the second reinforcing layer 433 are illustratively rubber pads;
as an improvement of the above technical solution, a support layer 2 is disposed on the surface of the mold main body 1, and the support layer 2 includes a first non-porous separation layer 21, a non-porous support layer 22 and a porous support layer 23, where the non-porous support layer is exemplified by air-impermeable tetrafluoro cloth, and the porous support layer is exemplified by air-permeable tetrafluoro cloth;
the first non-porous separation layer 21, the non-porous support layer 22 and the porous support layer 23 are sequentially overlapped from bottom to top, the blank 3 is overlapped on the surface of the porous support layer 23, and the first non-porous separation layer 21 is bonded on the surface of the die main body 1; the non-porous support layer 22 and the porous support layer 23 are woven from glass fiber as a woven material, and are mainly used as anti-sticking linings in the production of skins.
As an improvement of the above technical solution, the outer protective layer 5 includes an air-permeable felt 51 and a vacuum bag 52, the air-permeable felt 51 covers the top of the porous isolation layer 44, the vacuum bag 52 covers the top of the air-permeable felt 51, and the vacuum bag 52 is connected with the mold main body 1; the air-permeable felt 51 is used for absorbing substances while ensuring that gas can be sucked out, is made of polyester or nylon fibers, and has high temperature resistance, high pressure resistance and good extensibility; the vacuum bag 52 is used to wrap the mold to form a sealed cavity, so as to prevent external air from entering and ensure the vacuum pumping effect.
As shown in fig. 1, fig. 1 is a schematic structural view of a composite skin assembly shown in the present invention;
the surface of the die body 1 is coated with a release agent, then the supporting layer 2 is laid, then the surface of the supporting layer 2 is coated with the release agent, then the blank 3 is laid above the supporting layer 2, the blank 3 is a carbon fiber product, the laying of the blank 3 is carried out the laying operation according to the S laying information of [ 45/0/-45/0/0/-45/90/45/0/45/90/-45 ], after the first layer is laid, the vacuum pre-pumping is carried out for 15 minutes, then, the pre-pumping is carried out for every 5 layers for 15 minutes, and the assembly is carried out after the last layer is laid for 15 minutes;
a circle of barrier strips 31 is laid on the outer edge of the surface of the blank 3, then the auxiliary protective layer 4 is laid, finally the air felt 51 is laid on the outer part of the auxiliary protective layer 4, and the vacuum bag 52 is covered on the outer part of the mould main body 1 to form a sealing structure.
As shown in fig. 2, fig. 2 is a schematic view of the structure of the auxiliary protective layer of the present invention;
an annular second nonporous isolation layer 42 is stacked on the surface of the peelable layer 41, the distance between the second nonporous isolation layer 42 and the edge of the surface of the peelable layer 41 is 15mm, and the width of the second nonporous isolation layer 42 is 5 cm; the soft film 43 and the first porous isolation layer are sequentially stacked on the surface of the second nonporous isolation layer 42, and the second porous isolation layer is favorable for the combination of protection and air permeability; the surface and the bottom surface of the soft film 43 are coated with a release agent;
as shown in fig. 3, fig. 3 is a schematic view of the structure of the soft membrane of the present invention;
the fabric layer 431 is a main body part of the soft membrane 43, and the integral inner wall and the integral outer wall of the fabric layer 431 are both stacked with a first rubber cushion layer 432; 2 layers of second rubber cushion layers 433 are stacked on the inner wall of the chamfer of the fabric layer 431, 1 layer of second rubber cushion layers 433 is stacked on the outer wall of the chamfer of the fabric layer 431, and the second rubber cushion layers 433 are all arranged outside the first rubber cushion layer 432;
a preparation method of a carbon fiber composite skin assembly comprises the following steps:
s1, manufacturing a process pressing plate:
s1.1, laminating 3 layers of fabrics together to form a fabric layer 431, and brushing a release agent for 3 times on the surface of the fabric layer 431;
s1.2 laying up a first reinforcing layer 432 on the fabric layer 431 side;
s1.3 laying a second reinforcing layer 433 on a chamfer of the first reinforcing layer 432 to form a soft film 43; the second reinforcing layer 433 is layered with 3 layers; wherein, the inner side surface is overlapped for 2 layers, and the outer side surface is overlapped for 1 layer;
s1.4, coating a release agent on the surface of the soft film 43 for 3 times to form a process pressing plate;
s2, manufacturing a skin assembly:
s2.1, stacking the supporting layer 2 on the surface of the die body 1;
s2.2, laying a plurality of layers of blanks 3 on the supporting layer 2, and laying a barrier strip 31 on the uppermost layer of the blanks 3;
s2.3, sequentially laying the strippable layer 41, the second nonporous isolation layer 42, the process press plate and the two porous isolation layers from bottom to top to finish the manufacturing of the skin blank; a second nonporous isolation layer 42 is arranged above the inward 10-20mm position of the peripheral edge of the blank 3, and the periphery of the second nonporous isolation layer 42 is fixed on the die main body 1 by a pressure sensitive adhesive tape;
s3 molding detection:
s3.1, sheathing an outer protective layer 5 on the outer part of the skin assembly, then communicating vacuum equipment, and utilizing negative pressure vacuum to extract air in the outer protective layer 5 to eliminate gaps among membranes;
s3.2, conveying the mold main body 1 and the skin assembly into a hot pressing tank together for hot pressing and molding;
s3.3, demolding the solidified skin;
and S3.4, carrying out ultrasonic flaw detection and overall dimension detection on the demolded skin.
The surface of the formed part is observed to have no white impression and no wrinkle.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a carbon fiber composite material covering component which characterized in that: the mould comprises a blank (3), wherein a demoulding layer is coated on the bottom surface of the blank (3), the blank (3) is adhered to the surface of a mould main body (1), and an annular barrier strip (31) is arranged on the surface of the blank (3);
a secondary protective layer (4), the secondary protective layer (4) comprising a peelable layer (41), a second non-porous barrier layer (42), a flexible film (43), and a porous barrier layer (44); the peelable layer (41), the second nonporous isolation layer (42), the soft film (43) and the two porous isolation layers (44) are sequentially overlapped from bottom to top, and the barrier strip (31) and the second nonporous isolation layer (42) are used for facilitating the installation and positioning of the soft film (43) so as to eliminate wrinkles on the surface of the skin; the top surface and the bottom surface of the soft film (43) are coated with demolding layers, the soft film (43) is connected with the demolding layers to eliminate skin indentation, and the second nonporous isolation layer (42) is annular and is arranged at the surface edge of the peelable layer (41);
outer jacket (5), outer jacket (5) cover in the top of auxiliary protection layer (4), outer jacket (5) with mould main part (1) is connected, outer jacket (5) are used for forming seal structure in the covering outside.
2. The carbon fiber composite skin assembly of claim 1, wherein: the soft membrane (43) comprises a fabric layer (431), a first reinforcing layer (432) and a second reinforcing layer (433), wherein the first reinforcing layer (432) covers two side faces of the fabric layer (431), the second reinforcing layer (433) is connected to the corner of the first reinforcing layer (432), and the second reinforcing layer (433) is used for improving the strength of the chamfer of the soft membrane (43) and avoiding layering.
3. The carbon fiber composite skin assembly of claim 2, wherein: the surface of the die main body (1) is provided with a supporting layer (2), the supporting layer (2) comprises a first non-porous separation layer (21), a non-porous supporting layer (22) and a porous supporting layer (23), the first non-porous separation layer (21), the non-porous supporting layer (22) and the porous supporting layer (23) are sequentially overlapped from bottom to top, the blank (3) is overlapped on the surface of the porous supporting layer (23), and the first non-porous separation layer (21) is bonded on the surface of the die main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732603.9U CN210362567U (en) | 2019-05-21 | 2019-05-21 | Carbon fiber composite material skin assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732603.9U CN210362567U (en) | 2019-05-21 | 2019-05-21 | Carbon fiber composite material skin assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210362567U true CN210362567U (en) | 2020-04-21 |
Family
ID=70261129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920732603.9U Active CN210362567U (en) | 2019-05-21 | 2019-05-21 | Carbon fiber composite material skin assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210362567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193954A (en) * | 2019-05-21 | 2019-09-03 | 安徽佳力奇碳纤维科技股份公司 | A kind of carbon fiber answers material skin assemblies and preparation method thereof |
-
2019
- 2019-05-21 CN CN201920732603.9U patent/CN210362567U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193954A (en) * | 2019-05-21 | 2019-09-03 | 安徽佳力奇碳纤维科技股份公司 | A kind of carbon fiber answers material skin assemblies and preparation method thereof |
| CN110193954B (en) * | 2019-05-21 | 2023-12-12 | 安徽佳力奇碳纤维科技股份公司 | Carbon fiber composite skin assembly and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103921450B (en) | A kind of manufacture method of blended wing-body honeycomb sandwich composite eyelid covering | |
| JP4828658B1 (en) | Sound insulation for vehicles | |
| CN210362567U (en) | Carbon fiber composite material skin assembly | |
| US8182640B1 (en) | Process for bonding components to a surface | |
| CN110406129B (en) | Near-net forming die and forming method for antenna housing | |
| CN112537047B (en) | Forming and assembling method for composite material reflector | |
| CN111347694A (en) | Autoclave integral forming method for composite material ribbed wallboard with vertical ribs | |
| CN109304875A (en) | Top plate and preparation method thereof in rail traffic vehicles aramid fiber honeycomb | |
| GB2519160A (en) | Method of liquid resin infusion of a composite preform | |
| CN215791878U (en) | Large-thickness honeycomb sandwich structure forming anti-collapse structure | |
| CN113290884A (en) | Composite material plate shell with thickness gradient area and forming device and method thereof | |
| CN113681937A (en) | Composite material hat-shaped stringer wallboard structure and preparation method | |
| US8192574B1 (en) | Process for bonding a vented hollow component | |
| CN216636802U (en) | Hat type stringer wallboard, preforming frock structure and co-curing packaging structure | |
| CN110193954B (en) | Carbon fiber composite skin assembly and preparation method thereof | |
| CN111745999A (en) | Appearance processing method of composite material part with R corners | |
| CN109130240B (en) | Forming die and forming method for integrated copper-clad electromagnetic shielding carbon fiber product | |
| CN102873884B (en) | Composite material combined core mold compensation pad process | |
| US8585856B1 (en) | Process for fabricating aircraft parts using an integrated form | |
| CN113681934A (en) | Forming method of composite honeycomb sandwich part with U-shaped part at 90-degree edge | |
| US20230033757A1 (en) | Method for securing core to tool during machining | |
| CN112477192A (en) | Forming method of high-rigidity conical-structure carbon fiber composite material pipe | |
| CN113428370A (en) | Integral oil tank and manufacturing method thereof | |
| CN110815867A (en) | Simple flexible pressure equalizing pad for hot press molding of composite material and application thereof | |
| CN112606426B (en) | Curing furnace forming process for full-length composite wing beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 234000 Chaoyang Road 169, Suzhou High-tech Industrial Park, Anhui Province Patentee after: Anhui jialiqi Advanced Composite Technology Co.,Ltd. Address before: 234000 Chaoyang Road 169, Suzhou High-tech Industrial Park, Anhui Province Patentee before: ANHUI JIALIQI AEROSPACE CARBON FIBER Co.,Ltd. |