CN106584925A - Integrally-formed, flame-retardant and high-strength roof board of high-speed railway carriage and forming process of roof - Google Patents
Integrally-formed, flame-retardant and high-strength roof board of high-speed railway carriage and forming process of roof Download PDFInfo
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- CN106584925A CN106584925A CN201611073123.3A CN201611073123A CN106584925A CN 106584925 A CN106584925 A CN 106584925A CN 201611073123 A CN201611073123 A CN 201611073123A CN 106584925 A CN106584925 A CN 106584925A
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- Prior art keywords
- top board
- flame
- retardant
- adhesive
- product
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Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 27
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 23
- 239000000853 adhesive Substances 0.000 claims abstract description 32
- 230000001070 adhesive effect Effects 0.000 claims abstract description 32
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 24
- 239000004917 carbon fiber Substances 0.000 claims abstract description 24
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000006260 foam Substances 0.000 claims abstract description 16
- 239000004760 aramid Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 12
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 239000012790 adhesive layer Substances 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- 229910052742 iron Inorganic materials 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 14
- 229920006231 aramid fiber Polymers 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 8
- 230000001413 cellular effect Effects 0.000 claims description 7
- 238000007731 hot pressing Methods 0.000 claims description 6
- -1 phenolic aldehyde Chemical class 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000005238 degreasing Methods 0.000 claims description 4
- 239000002243 precursor Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000003856 thermoforming Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 12
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract description 2
- 241000264877 Hippospongia communis Species 0.000 abstract 2
- 239000011152 fibreglass Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 208000020442 loss of weight Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000271559 Dromaiidae Species 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 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
- B32B1/00—Layered products having a non-planar shape
-
- 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
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/12—Roofs
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
- B32B2262/0269—Aromatic polyamide fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- 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
- B32B2605/00—Vehicles
- B32B2605/10—Trains
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to an integrally-formed, flame-retardant and high-strength roof board of a high-speed railway carriage and a forming process of the roof board. The process comprises steps as follows: step (1), selection of flame-retardant carbon fiber prepreg; step (2), selection of aramid paper honeycombs; step (3), selection of an adhesive; step (4), laying of the prepreg and placement of embedded aluminum alloys; step (5), curing forming of a composite, and preparation of the roof board. The roof board is arc-shaped and sequentially comprises structures from top to bottom as follows: a flame-retardant carbon fiber prepreg layer, an adhesive layer, an aramid paper honeycomb layer, a PET foam layer with embedded metal aluminum parts, an adhesive layer and a flame-retardant carbon fiber prepreg layer. Complicated procedures including opening, bending, burn-in and the like are not required for the roof board, and the formed product has uniform standard outline and unique model and is light in weight and high in mechanical property.
Description
Technical field
The present invention relates to the top board and its moulding process in a kind of high-iron carriage, and in particular to a kind of to be integrally formed out
Top board and its moulding process in flame-retardant high-strength high-iron carriage.
Background technology
The track vehicle that the existing country uses, such as EMUs, subway, light rail, in order to meet exterior design and car
The light-weighted requirement of body, it usually needs take and take into account vehicle safety, lightweight, high intensity and new manufacture skill aesthetic in appearance
Art.At present, the framed side wallboard of rail vehicle, is generally made from aluminium alloy or fiberglass, is ensureing car body strength and rigid
Meanwhile, the weight of car body is increased, therefore, it is increasingly difficult to meet the requirement of car body lightweight and energy-conservation.
And there is the phenomenons such as contour shape differs, weight lays particular stress in the product that aluminium alloy or fiberglass form out.
Than traditional aluminium alloy or glass-reinforced plastic material, carbon fibre composite possesses numerous excellent phenolic aldehyde carbon fibre material
High, the good dimensional stability of performance, such as light weight, specific strength, outstanding chemical stability, therefore its range of application is all the more
Extensively, processing technology also tends to maturation.And according to the final purposes of product and the difference of Mechanical Builds, also extensively arise at the historic moment
Many carbon fibre composite moulding processs.
The content of the invention
For the problems referred to above, present invention is primarily targeted at providing the flame-retardant high-strength high-iron carriage for being integrally formed out
In top board and its moulding process.
The present invention is to solve above-mentioned technical problem by following technical proposals：A kind of fire-retardant height for being integrally formed out
The moulding process of the top board in intensity high-iron carriage, the technique comprises the steps；
Step (1), the selection of fire-retardant carbon fiber prepreg；Fire-retardant carbon fiber prepreg is with carbon using phenolic aldehyde flame-retarded resin
The material of fiber precursor preimpregnation；
Step (2), the cellular selection of aramid paper；
Step (3), the selection of adhesive；
Step (4), the laying of prepreg, the interior placement for burying aluminium alloy；
Step (5), the curing molding of composite, make top board sheet material.
In a particular embodiment of the present invention, in step (1), the percentage by weight of phenolic aldehyde flame-retarded resin resin content is
35%-45%.
In a particular embodiment of the present invention, the density used in step (2) is >=45kg/m3, comprcssive strength >=10T/m2
Aramid fiber paper honeycomb.
In a particular embodiment of the present invention, the fire-retardant gluing of ring of the strong oxygen >=15Mpa of bonding used in step (3)
Agent.
In a particular embodiment of the present invention, the step (4) specifically includes：The fire-retardant carbon fiber for cutting out size by two pieces
Prepreg is attached to respectively in the upper mould product cavity surface of mould and lower mould product die cavity, is compacted with scraper plate during stone, will
Adhesive is attached on the fire-retardant carbon fiber prepreg in mould product cavity surface and lower mould product die cavity；Then by the virtue for cutting
Synthetic fibre paper honeycomb laying is on the adhesive of upper mould product cavity surface；PET foams are put into again the aramid paper of upper mould product cavity surface
Between adhesive in honeycomb and lower mould product die cavity；It is last PET foams to be imbedded in the metal aluminum component Jing after cleaning by degreasing again
In.
In a particular embodiment of the present invention, the step (5) specifically includes：Product in step (4) is got togather after mould
By mould be put on hot pressing board according in roof formed control test setting temperature, pressure parameter product is carried out heat into
Type, design parameter is as follows：
Molding time：From mould be put into hot pressing board to the forming and hardening end time be 2.5-3.5 hours；
Forming temperature：Forming temperature is the product temperature in mold cavity, is 140 ± 5 DEG C；
Board design temperature：150±5℃；
Board external pressure：6±0.5MPa；
Product pressurizes：According to temperature control pressing time, including following several situations：
80℃：0Mpa；Measurement tolerance scope：±5℃；
100℃：2±0.5Mpa；Measurement tolerance scope：±5℃；
120℃：4±0.5Mpa；Measurement tolerance scope：±5℃；
140℃：6±0.5Mpa.Measurement tolerance scope：±5℃.
In a particular embodiment of the present invention, the cellular density of aramid paper basis in the case of comprcssive strength identical
The different choosings of shape of product size：45kg/m3、60kg/m3、80kg/m3, the material of the scraper plate is optional：PVC, PET and PTFE
In a kind of and various mixture, the adhesive selects resistance to 150 DEG C of high temperature, and the adhesive of adhesive strength >=15Mpa.
A kind of top board in flame-retardant high-strength high-iron carriage for being integrally formed out, top board is the top board of an arc, top board
Structure from top to bottom is followed successively by：The fire-retardant carbon fibre initial rinse bed of material, adhesive layer, aramid paper keriotheca, the interior metal aluminum component that buries
PET froth beds, adhesive layer, the fire-retardant carbon fibre initial rinse bed of material.
In a particular embodiment of the present invention, be provided with the top board sheet material three rectangle frames, two big holes, four
Small sircle hole, several screwed holes；
The big frame of two of which is distributed in the both sides of a little frame of centre in three rectangle frames, and four small sircle holes line up one
Bar straight line, and away from the side of three rectangle frames on the top board, two big holes are located on top board what four small sircle holes were lined up
Between the straight line that straight line and two big frames are lined up.
In a particular embodiment of the present invention, the angular range of the corresponding central angle of the top board of the arc be 140 °-
160°。
In a particular embodiment of the present invention, a diameter of 200mm of described two big holes, four small sircle holes it is a diameter of
120mm, screwed hole is 16, on the periphery of top board.
The present invention positive effect be：The flame-retardant high-strength high-iron carriage for being integrally formed out that the present invention is provided
Middle top board and its moulding process, compare in traditional aluminium alloy high ferro top board without the need for opening, bending, the complicated procedures of forming such as freeze, and
The product contour shape for forming out has obtained unified standard (mould guarantee).
The offer of the present invention product-forming is unique, lightweight, mechanical property is strong.
Description of the drawings
Fig. 1 be the top board in the present invention moulding process in the laying of prepreg, the structure of the interior placement for burying aluminium alloy show
It is intended to.
Fig. 2-1 is the top view (eliminating fire-retardant carbon fiber prepreg 1 and adhesive 2) of the top board in the present invention.
Fig. 2-2 is the axonometric chart of the top board in the present invention.
Fig. 2-3 is the left view of the top board in the present invention.
Fig. 2-4 is the front view of the top board in the present invention.
Specific embodiment
Present pre-ferred embodiments are given below in conjunction with the accompanying drawings, to describe technical scheme in detail.
In the present invention in a kind of flame-retardant high-strength high-iron carriage for being integrally formed out top board moulding process, moulding process
Comprise the steps；
Step (1), the selection of fire-retardant carbon fiber prepreg；Fire-retardant carbon fiber prepreg is with carbon using phenolic aldehyde flame-retarded resin
The material of fiber precursor preimpregnation；In step (1), the percentage by weight of phenolic aldehyde flame-retarded resin resin content is 35%-
45%, remaining is carbon fibre precursor, and above proportioning can also be selected according to specific demand.
Step (2), the cellular selection of aramid paper；The density used in step (2) is >=45kg/m3, comprcssive strength >=
10T/m2Aramid fiber paper honeycomb, above parameter can also select according to specific demand.
Step (3), the selection of adhesive；The ring flame-retardant adhesive of the strong oxygen >=15Mpa of bonding used in step (3),
Above parameter can also be selected according to specific demand.
Step (4), the laying of prepreg, the interior placement for burying aluminium alloy；Fig. 1 is in the moulding process of the top board in the present invention
The laying of prepreg, the structural representation of the interior placement for burying aluminium alloy.As shown in figure 1, step (4) is specifically included：By two pieces of sanctions
The fire-retardant carbon fiber prepreg 1 of good size is attached to respectively in the upper mould product cavity surface of mould and lower mould product die cavity, stone mistake
It is compacted with scraper plate in journey, adhesive 2 is attached to into the fire-retardant carbon fibre initial rinse in upper mould product cavity surface and lower mould product die cavity
On material 1；Then by the laying of aramid fiber paper honeycomb 3 for cutting on the adhesive 2 of upper mould product cavity surface；PET foams 4 are put again
Enter between the adhesive 2 in the aramid fiber paper honeycomb 3 and lower mould product die cavity of upper mould product cavity surface；Finally again by Jing cleaning by degreasing
Metal aluminum component 5 afterwards is put in PET foams 4.
Step (5), the curing molding of composite, make top board sheet material.Step (5) is specifically included：By in step (4)
Product get togather after mould by mould be put on hot pressing board according in roof formed control test setting temperature, pressure parameter to produce
Product carry out thermoforming, and design parameter is as follows：
Molding time：From mould be put into hot pressing board to the forming and hardening end time be 2.5-3.5 hours；
Forming temperature：Forming temperature is the product temperature in mold cavity, is 140 ± 5 DEG C；
Board design temperature：150±5℃；
Board external pressure：6±0.5MPa；
Product pressurizes：According to temperature control pressing time, including following several situations：
80℃：0Mpa；Measurement tolerance scope：±5℃；
100℃：2±0.5Mpa；Measurement tolerance scope：±5℃；
120℃：4±0.5Mpa；Measurement tolerance scope：±5℃；
140℃：6±0.5Mpa.Measurement tolerance scope：±5℃.
The cellular density of above-mentioned aramid paper is in the case of comprcssive strength identical according to the difference choosing of shape of product size：
45kg/m3、60kg/m3、80kg/m3。
The material of above-mentioned scraper plate is optional：A kind of and various mixture in PVC, PET and PTFE.
Above-mentioned adhesive selects resistance to 150 DEG C of high temperature, and the adhesive of adhesive strength >=15Mpa.
PET foams 4 are flame-retardant foam, and density domination is in 60kg/m3Within, so the selection of foam is PET foams；It is interior
Metalwork in embedded part considers material weight and tensile strength, and the selection that metalwork is buried within institute is aluminium 5083, i.e. metallic aluminium
Part 5 selects 5083 aluminum components.
The product that the present invention is provided is used in high-iron carriage, and used as the top board of high-iron carriage, top board is shaped as cambered surface
Shape, so being " overstretching " type for the cellular selection of aramid paper, is easy to product when hot-forming, and aramid fiber paper honeycomb can draw
Stretch profile-followed.
The metal aluminum component that Jing cleaning by degreasing is crossed is filled out in the foam, should be on the basis of product forming mould edge, according to design
Data in ply angles measure metal aluminum component putting position, it is ensured that metal aluminum component will not positioning, so as to ensure that product
Back segment drilling can accurately be drilled in bury on metal aluminum component.
The material that product of the present invention is used is high intensity, the carbon fibre composite of high-moduluss, while can reach fire-retardant
Top board compares the direct loss of weight of top board in aluminium alloy 40% in effect, and carbon fiber, compares the direct loss of weight of top board in fiberglass
30%.
Top board phase in the flame-retardant high-strength high-iron carriage for being integrally formed out using sandwich structure using aramid fiber paper honeycomb
Fire-retardant effect is equally reached than the middle top board of traditional aluminium alloy or fiberglass molding, and simple to operate, product-forming is flexibly, by force
Du Genggao, weight are lighter, corrosion-resistant.
Safety of the present invention is good, intensity is high, in light weight high-iron carriage top board method for production.In order to realize the above
Can require, the present invention is using fire-retardant carbon fiber prepreg, aramid fiber paper honeycomb, adhesive and interior embedded part (each PET bubbles of metal aluminum component
Foam) it is main raw material(s).Fire-retardant carbon fiber prepreg ensure that the intensity and anti-flammability of middle top board；Aramid fiber paper honeycomb then significantly drops
The low weight of middle top board, meets light-weighted requirement；Adhesive is then provided aramid fiber paper honeycomb well and carbon fiber
Prepreg combines, it is ensured that its adhesive strength；PET foams in interior embedded part are then to provide for more accurately metal aluminum component
Putting position.This sandwich for adopting fire-retardant carbon fiber prepreg for outer layer, aramid fiber paper honeycomb and interior embedded part for sandwich of layers is tied
Top board in the high-iron carriage that body plan is done, with safety it is good, intensity is high, light weight, assembling structure flexibility and changeability the characteristics of.
Top board sheet material in the present invention is the top board (referring to Fig. 2-2,2-4) of an arc, the structure from top to bottom of top board 100
It is followed successively by：1 layer of fire-retardant carbon fiber prepreg, 2 layers of adhesive, 3 layers of aramid fiber paper honeycomb, interior 4 layers of PET foams for burying metal aluminum component 5,
2 layers of adhesive, 1 layer of fire-retardant carbon fiber prepreg (referring to Fig. 1).
Fig. 2-1 for the present invention in top board top view (eliminating fire-retardant carbon fiber prepreg 1 and adhesive 2), Fig. 2-2
For the axonometric chart of the top board in the present invention, Fig. 2-3 is the left view of the top board in the present invention, and Fig. 2-4 is the top board in the present invention
Front view, as shown in Fig. 2-1,2-2,2-3,2-4, be provided with top board sheet material three rectangle frames, two big holes, four it is little
Circular hole, several screwed holes.A diameter of 200mm of two big holes, a diameter of 120mm of four small sircle holes, screwed hole is 16
It is individual, on the periphery of top board.
The big frame of two of which (being labeled as 6) is distributed in the two of a little frame (being labeled as 7) of centre in three rectangle frames
Side, on the side that four small sircle holes are arranged in a line (be labeled as 8) on top board away from three rectangle frames, two big holes
Between the straight line that straight line that (being labeled as 9) is lined up positioned at four small sircle holes on top board and two big frames are lined up.
In specific implementation process, the angular range of the corresponding central angle of top board of arc is 140 ° -160 °.
Screwed hole is easy to the accessory on product to install；Whole product is formed in one, rectangle frame, circular hole on product,
Screwed hole is follow-up CNC processing, handss and processes.
Fig. 2-4 for the top board in the present invention front view, the moulded of product is an arc surfaced, and product entirety
Thickness is 10mm.Pre-buried aramid fiber paper honeycomb, PET foams, metal aluminum component are needed in wall thickness is for the product of 10mm, and be must assure that
The adhesive strength of these interior embedded parts.The feasibility and dominance of the process program of top board in the present invention are fully demonstrated.
The ultimate principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both fallen within scope of the claimed invention, the claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (10)
1. the moulding process of the top board in a kind of flame-retardant high-strength high-iron carriage for being integrally formed out, it is characterised in that：It is described
Technique comprises the steps；
Step (1), the selection of fire-retardant carbon fiber prepreg；Fire-retardant carbon fiber prepreg is with carbon fiber using phenolic aldehyde flame-retarded resin
The material of precursor preimpregnation；
Step (2), the cellular selection of aramid paper；
Step (3), the selection of adhesive；
Step (4), the laying of prepreg, the interior placement for burying aluminium alloy；
Step (5), the curing molding of composite, make top board sheet material.
2. in the flame-retardant high-strength high-iron carriage for being integrally formed out according to claim 1 top board moulding process, its
It is characterised by：In step (1), the percentage by weight of phenolic aldehyde flame-retarded resin resin content is 35%-45%.
3. the moulding process of the top board in the flame-retardant high-strength high-iron carriage for being integrally formed out according to claim 1,
It is characterized in that：The density used in step (2) is >=45kg/m3, comprcssive strength >=10T/m2Aramid fiber paper honeycomb.
4. the moulding process of the top board in the flame-retardant high-strength high-iron carriage for being integrally formed out according to claim 1,
It is characterized in that：The ring flame-retardant adhesive of the strong oxygen >=15Mpa of bonding used in step (3).
5. the moulding process of the top board in the flame-retardant high-strength high-iron carriage for being integrally formed out according to claim 1,
It is characterized in that：The step (4) specifically includes：The fire-retardant carbon fiber prepreg that two pieces cut out size is attached to into respectively mould
In upper mould product cavity surface and lower mould product die cavity, it is compacted with scraper plate during stone, adhesive is attached to into upper mould product type
On fire-retardant carbon fiber prepreg in Cavity surface and lower mould product die cavity；Then the aramid fiber paper honeycomb laying for cutting is produced in upper mould
On the adhesive of product cavity surface；PET foams are put in the aramid fiber paper honeycomb of upper mould product cavity surface and lower mould product die cavity again
Adhesive between；It is last to imbed in PET foams in the metal aluminum component Jing after cleaning by degreasing again.
6. the moulding process of the top board in the flame-retardant high-strength high-iron carriage for being integrally formed out according to claim 1,
It is characterized in that：The step (5) specifically includes：Product in step (4) is got togather mould is put on hot pressing board after mould
Temperature, pressure parameter according to the setting of middle roof formed control test carries out thermoforming to product, and design parameter is as follows：
Molding time：From mould be put into hot pressing board to the forming and hardening end time be 2.5-3.5 hours；
Forming temperature：Forming temperature is the product temperature in mold cavity, is 140 ± 5 DEG C；
Board design temperature：150±5℃；
Board external pressure：6±0.5MPa；
Product pressurizes：According to temperature control pressing time, including following several situations：
80℃：0Mpa；Measurement tolerance scope：±5℃；
100℃：2±0.5Mpa；Measurement tolerance scope：±5℃；
120℃：4±0.5Mpa；Measurement tolerance scope：±5℃；
140℃：6±0.5Mpa.Measurement tolerance scope：±5℃.
7. the moulding process of the top board in the flame-retardant high-strength high-iron carriage for being integrally formed out according to claim 1,
It is characterized in that：The cellular density of the aramid paper is in the case of comprcssive strength identical according to the difference of shape of product size
Choosing：45kg/m3、60kg/m3、80kg/m3, the material of the scraper plate is optional：It is a kind of and various mixed in PVC, PET and PTFE
Compound, the adhesive selects resistance to 150 DEG C of high temperature, and the adhesive of adhesive strength >=15Mpa.
8. the top board in a kind of flame-retardant high-strength high-iron carriage for being integrally formed out, it is characterised in that：The top board is an arc
The top board of shape, top board structure from top to bottom is followed successively by：It is the fire-retardant carbon fibre initial rinse bed of material, adhesive layer, aramid paper keriotheca, interior
Bury PET froth beds, adhesive layer, the fire-retardant carbon fibre initial rinse bed of material of metal aluminum component.
9. the top board in the flame-retardant high-strength high-iron carriage for being integrally formed out according to claim 7, it is characterised in that：
Three rectangle frames, two big holes, four small sircle holes, several screwed holes are provided with the top board sheet material；
The big frame of two of which is distributed in the both sides of a little frame of centre in three rectangle frames, and four small sircle holes line up one directly
Line, and away from the side of three rectangle frames on top board, two big holes are located at the straight line that four small sircle holes are lined up on top board
And the straight line lined up of two big frames between.
10. the top board in the flame-retardant high-strength high-iron carriage for being integrally formed out according to claim 7, its feature exists
In：The angular range of the corresponding central angle of top board of the arc be 140 ° -160 °, described two big holes it is a diameter of
200mm, a diameter of 120mm of four small sircle holes, screwed hole is 16, on the periphery of top board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073123.3A CN106584925A (en) | 2016-11-29 | 2016-11-29 | Integrally-formed, flame-retardant and high-strength roof board of high-speed railway carriage and forming process of roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073123.3A CN106584925A (en) | 2016-11-29 | 2016-11-29 | Integrally-formed, flame-retardant and high-strength roof board of high-speed railway carriage and forming process of roof |
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| Publication Number | Publication Date |
|---|---|
| CN106584925A true CN106584925A (en) | 2017-04-26 |
Family
ID=58593628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611073123.3A Pending CN106584925A (en) | 2016-11-29 | 2016-11-29 | Integrally-formed, flame-retardant and high-strength roof board of high-speed railway carriage and forming process of roof |
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| Country | Link |
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| CN (1) | CN106584925A (en) |
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| CN107415966A (en) * | 2017-07-31 | 2017-12-01 | 中车南京浦镇车辆有限公司 | A kind of air channel and the integrated morphology of built-in middle top plate |
| CN109435370A (en) * | 2017-09-04 | 2019-03-08 | 郑州宇通客车股份有限公司 | A kind of fire-retardant Internal decorative roof plate and the vehicle using the top plate |
| CN113619235A (en) * | 2021-08-16 | 2021-11-09 | 东华大学 | Fiber-reinforced thermoplastic resin-based composite material-metal sheet connecting piece and preparation method and application thereof |
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| CN107415966A (en) * | 2017-07-31 | 2017-12-01 | 中车南京浦镇车辆有限公司 | A kind of air channel and the integrated morphology of built-in middle top plate |
| CN109435370A (en) * | 2017-09-04 | 2019-03-08 | 郑州宇通客车股份有限公司 | A kind of fire-retardant Internal decorative roof plate and the vehicle using the top plate |
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| CN113619235B (en) * | 2021-08-16 | 2022-06-28 | 东华大学 | Fiber reinforced thermoplastic resin matrix composite-metal sheet connecting piece and preparation method and application thereof |
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