CN109367071A - The production method of fibre reinforced composites ejection push arm - Google Patents
The production method of fibre reinforced composites ejection push arm Download PDFInfo
- Publication number
- CN109367071A CN109367071A CN201811471035.8A CN201811471035A CN109367071A CN 109367071 A CN109367071 A CN 109367071A CN 201811471035 A CN201811471035 A CN 201811471035A CN 109367071 A CN109367071 A CN 109367071A
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- CN
- China
- Prior art keywords
- push arm
- auxiliary girder
- girder
- fibre reinforced
- reinforced composites
- 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.)
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- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 239000000835 fiber Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 15
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 11
- 239000004917 carbon fiber Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 4
- 229920007790 polymethacrylimide foam Polymers 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229920006934 PMI Polymers 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/36—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The present invention relates to a kind of production methods of fibre reinforced composites ejection push arm, belong to the field of production of opportunity of combat ejection push arm.First the blank of preceding auxiliary girder, rear auxiliary girder is pressed and molded respectively to semi-solid preparation, is then machined to required size；Simultaneously pre-setting is stand-by to design shape for laying girder；Fill area is thin-walled Composite Sandwich structure, and walled thickness is determined according to load working condition, completes laying and pre-setting.The preceding auxiliary girder of one semi-solid preparation, the rear auxiliary girder of semi-solid preparation, two girder precast bodies and a fill area precast body filling molding die is intracavitary, compression-molded structures part is obtained after then carrying out semi-solid preparation.Certain thickness fabric is wrapped up on compression-molded structures part surface, then forms to obtain the blank of composite material ejection push arm by RTM, composite material ejection push arm is obtained after over mechanical processing.Present invention ejection push arm produced is light-weight, intensity is high, improves and hangs over efficiency and opportunity of combat comprehensive performance.
Description
Technical field
The present invention relates to the field of production of opportunity of combat ejection push arm, are a kind of fibre reinforced composites bullet in detail
Penetrate the production method of push arm.
Background technique
It is well known that ejection push arm is one of the main structural components in airborne missile hanger, it is main in MISSILE LAUNCHING
Play the role of propelling, provides transmitting initial kinetic energy to guided missile.Tradition ejection push arm is mostly the metal structures such as aluminium alloy, magnesium alloy,
It is influenced by technique and material itself attribute, the problems such as metal launches push arm there are quality big, structural bearing low efficiency.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of producer of fibre reinforced composites ejection push arm
Method, simple process, ejection push arm produced is light-weight, intensity is high, improves and hangs over efficiency and opportunity of combat comprehensive performance.
The technical solution adopted by the present invention to solve the technical problems is: a kind of fibre reinforced composites ejection push arm
Production method, which is characterized in that including two compression-molded structures part, clad parts, the compression-molded structures part include preceding auxiliary girder,
Auxiliary girder, girder, fill area afterwards, be plated on compression-molded structures part clad solidification after obtain fibre reinforced composites ejection push away
Arm, including lower example step,
The first step, preceding auxiliary girder, rear auxiliary girder respective die cavity in laying carbon fiber prepreg, and by heating vacuumize it is predetermined
Type, laying molds after the completion is put into hot press progress pressurized, heated to semi-solid preparation, and demoulding rear surface polishing is coarse, preceding after drying
Auxiliary girder, rear auxiliary girder outer surface spread structure glue, the binder of one layer of glue film or other forms；
Second step, in the pre-setting mold of girder laying be laminated carbon fiber prepreg, and by heating vacuumize pre-setting with
Guarantee the compactness of product, takes out the precast body of girder after the completion of laying stand-by；
Third step wraps up glue film on the PMI foam after machining and drying, and successively coats carbon fiber prepreg, passes through
It is that fill area is stand-by that heating, which vacuumizes pre-setting,；
4th step, auxiliary girder after auxiliary girder, a semi-solid preparation before the semi-solid preparation that first three step is completed, two girders precast body,
One fill area is put into molding die according to structure syntagmatic and completes molding, and being put into hot press heating pressurization, solidification obtains again
Compression-molded structures part；
Compression-molded structures part outer surface is polished coarse, spreads the structure of one layer of glue film or other forms after drying on surface by the 5th step
Then glue, binder are laminated wrap carbon fiber dry fabric in outside, and assist sizing to complete clad precast body by forming machine
Laying；
The precast body that 5th step is completed is put into RTM mold molding, infuses resin into RTM mold using glue injection equipment by the 6th step
So that clad is sufficiently infiltrated resin, is then placed in baking oven heating and is heated to being fully cured, demoulding obtains fibre reinforced composites
Launch push arm blank；
Fibre reinforced composites ejection push arm blank is carried out process and assemble according to interface requirement and obtained completely by the 7th step
Fibre reinforced composites launch push arm.
The curing degree of the semi-solid preparation is 45%~65%.The curing degree cured again is 45%~65%.
The invention has the advantages that simple process, ejection push arm produced is light-weight, intensity is high, improves and hangs over
Efficiency and opportunity of combat comprehensive performance.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is compression-molded structures part combination diagram of the invention
Fig. 2 is compression-molded structures part schematic diagram of the invention
Fig. 3 is that fibre reinforced composites of the invention launch push arm blank schematic diagram
Fig. 4 is that fibre reinforced composites of the invention launch push arm schematic diagram
Auxiliary girder after 1. in figure, 2. girders, 3. fill areas, auxiliary girder before 4., before 5. auxiliary girder outer surface, auxiliary girder outer surface after 6..
Specific embodiment
The present embodiment fibre reinforced composites are not limited to carbon fiber, glass fibers by taking carbon fibre composite as an example
The composite materials such as dimension, aramid fiber, sandwich material selected by fill area is PMI foam, but is not limited to the sandwich materials such as PMI, PVC
Material.Selected technique be mould pressing process and RTM technique, but not limited to this kind technique obtain.
The present invention includes two compression-molded structures part, clad parts, and the compression-molded structures part includes preceding auxiliary girder 4, rear pair
Beam 1, girder 2, fill area 3(are as shown in Figure 1), fiber-reinforced composite material is obtained after clad solidification is plated on compression-molded structures part
Material ejection push arm, including lower example step,
The first step, preceding auxiliary girder 4, rear auxiliary girder 1 respective die cavity in laying carbon fiber prepreg, and vacuumize by heating for multiple times
Pre-setting molds after the completion of laying to guarantee the compactness of product and is put into hot press and carries out pressurized, heated to semi-solid preparation, definition is solid
Change degree is in 45%~65%, referred to as semi-solid preparation.Being machined after demoulding to design size (can also be molded directly into type to setting
Count size), surface polishing is coarse and after cleaning out, drying, preceding auxiliary girder outer surface 5, rear auxiliary girder outer surface 6(i.e. and girder
2, fill area 3 has the region of contact) paving one layer of glue film or structure glue, the binder of other forms etc..
Second step will design laying laying in pre-setting mold according to girder 2 and carbon fiber prepreg is laminated, and through excessive
Secondary heating vacuumizes pre-setting to guarantee the compactness of product, takes out girder precast body after the completion of laying stand-by.
Third step wraps up glue film on the PMI foam after machining and drying, and successively coats the carbon fiber of 1mm thickness
Prepreg vacuumizes pre-setting by heating for multiple times to guarantee the compactness of product, and it is stand-by to be fixed to fill area 3.
4th step, by the girder 2, one of auxiliary girder 1, two after auxiliary girder 4, one before first three semi-solid preparation being ready to complete of step
Fill area 3 is put into molding die according to structure syntagmatic shown in Fig. 1 and completes molding, is put into hot press heating pressurization and solidifies again
45%~65% obtains compression-molded structures part (as shown in Figure 2).
5th step, the polishing of compression-molded structures part outer surface is coarse and clean out, it is dry after surface spread one layer of glue film or
Structure glue, binder of other forms etc.；Then package certain thickness carbon fiber dry fabric is laminated in outside, and passes through forming machine
Clad precast body laying is completed in auxiliary sizing.
The precast body that 5th completes is put into RTM mold molding, infuses resin into RTM mould using glue injection equipment by the 6th step
Tool makes clad sufficiently infiltrate resin, is then placed in baking oven heating and is heated to being fully cured, and demoulding obtains composite material ejection and pushes away
Arm blank (as shown in Figure 3).
7th step, by composite material ejection push arm blank according to interface requirement carry out process and assemble obtain it is complete compound
Material launches push arm (as shown in Figure 4), and processing interface is not limited only to form shown in Fig. 4.
Claims (3)
1. a kind of production method of fibre reinforced composites ejection push arm, which is characterized in that including compression-molded structures part, clad
Two parts, the compression-molded structures part include preceding auxiliary girder, rear auxiliary girder, girder, fill area, and cladding is plated on compression-molded structures part
Fibre reinforced composites ejection push arm, including lower example step are obtained after layer solidification,
The first step, preceding auxiliary girder, rear auxiliary girder respective die cavity in laying carbon fiber prepreg, and by heating vacuumize it is predetermined
Type, laying molds after the completion is put into hot press progress pressurized, heated to semi-solid preparation, and demoulding rear surface polishing is coarse, preceding after drying
Auxiliary girder, rear auxiliary girder outer surface spread structure glue, the binder of one layer of glue film or other forms；
Second step, in the pre-setting mold of girder laying be laminated carbon fiber prepreg, and by heating vacuumize pre-setting with
Guarantee the compactness of product, takes out the precast body of girder after the completion of laying stand-by；
Third step wraps up glue film on the PMI foam after machining and drying, and successively coats carbon fiber prepreg, passes through
It is that fill area is stand-by that heating, which vacuumizes pre-setting,；
4th step, auxiliary girder after auxiliary girder, a semi-solid preparation before the semi-solid preparation that first three step is completed, two girders precast body,
One fill area is put into molding die according to structure syntagmatic and completes molding, and being put into hot press heating pressurization, solidification obtains again
Compression-molded structures part；
Compression-molded structures part outer surface is polished coarse, spreads the structure of one layer of glue film or other forms after drying on surface by the 5th step
Then glue, binder are laminated wrap carbon fiber dry fabric in outside, and assist sizing to complete clad precast body by forming machine
Laying；
The precast body that 5th step is completed is put into RTM mold molding, infuses resin into RTM mold using glue injection equipment by the 6th step
So that clad is sufficiently infiltrated resin, is then placed in baking oven heating and is heated to being fully cured, demoulding obtains fibre reinforced composites
Launch push arm blank；
Fibre reinforced composites ejection push arm blank is carried out process and assemble according to interface requirement and obtained completely by the 7th step
Fibre reinforced composites launch push arm.
2. the production method of fibre reinforced composites ejection push arm according to claim 1, it is characterised in that described half
Curedization degree is 45%~65%.
3. according to claim 1 fibre reinforced composites ejection push arm production method, it is characterised in that it is described again
Secondary cured curing degree is 45%~65%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471035.8A CN109367071B (en) | 2018-12-04 | 2018-12-04 | Production method of fiber reinforced composite ejection push arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471035.8A CN109367071B (en) | 2018-12-04 | 2018-12-04 | Production method of fiber reinforced composite ejection push arm |
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| Publication Number | Publication Date |
|---|---|
| CN109367071A true CN109367071A (en) | 2019-02-22 |
| CN109367071B CN109367071B (en) | 2020-09-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849365A (en) * | 2019-03-04 | 2019-06-07 | 保定国奥新能源工程材料科技有限责任公司 | The manufacturing method of propeller blade |
| CN110948911A (en) * | 2019-12-18 | 2020-04-03 | 江苏新扬新材料股份有限公司 | Forming method of grid structure composite material component |
| CN112046036A (en) * | 2020-08-12 | 2020-12-08 | 威海光威复合材料股份有限公司 | Method for manufacturing composite material ejection support arm |
| CN113844060A (en) * | 2021-09-18 | 2021-12-28 | 安徽云翼航空技术有限公司 | Rotor wing prefabricated part, autorotation rotor wing and forming method |
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| CN113844060A (en) * | 2021-09-18 | 2021-12-28 | 安徽云翼航空技术有限公司 | Rotor wing prefabricated part, autorotation rotor wing and forming method |
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| Publication number | Publication date |
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| CN109367071B (en) | 2020-09-29 |
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Effective date of registration: 20220707 Address after: 264200 No. 185, Jiangsu East Road, caomiaozi Town, Lingang Economic and Technological Development Zone, Weihai City, Shandong Province Patentee after: Weihai Guangwei composite material technology Co.,Ltd. Address before: 264200 No. 6, Kaiyuan West Road, Lingang District, Huancui District, Weihai City, Shandong Province Patentee before: SHANDONG GUANGWEI CARBON FIBER INDUSTRY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |