CN105034411A - Fabric prefabricated body preparation device and method for quick formation of composite material - Google Patents
Fabric prefabricated body preparation device and method for quick formation of composite material Download PDFInfo
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- CN105034411A CN105034411A CN201510553465.4A CN201510553465A CN105034411A CN 105034411 A CN105034411 A CN 105034411A CN 201510553465 A CN201510553465 A CN 201510553465A CN 105034411 A CN105034411 A CN 105034411A
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- counterdie
- patrix
- precast body
- fabric
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- 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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
- B29C70/443—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding and impregnating by vacuum or injection
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a fabric prefabricated body preparation device and a method for quick formation of a composite material. The device comprises an upper mold, a lower mold and a controller for controlling the temperature, the pressure, the opening and the closing of the upper mold and the lower mold. The fabric prefabricated body preparation device and the method for quick formation of the composite material quickly compact, heat and cool a fabric having a shaping agent through vacuum negative pressure to obtain a fabric prefabricated body having a certain shape requirement, and can realize prefabricated bodies with any thicknesses and geometric shapes through the deformability of high-elasticity films; and the obtained prefabricated bodies are compact, uniform in thickness and excellent in deformation resistance.
Description
Technical field
The present invention relates to a kind of rapid shaping composite fabric precast body preparation facilities and method.
Background technology
Preporm technology has become the Main way of composite development.In composite low-cost technologies, the technology such as resin transfer moulding (RTM), vacuum auxiliary resin penetration shaping (VARI), resin molding infiltration (RFI) are the main flows of current advanced composite material low-cost technologies.Liquid molding more easily realizes structure integration, and size-enlargement is to improve structure efficiency and shaping efficiency.The Liquid molding techniques of low cost has been widely used at present, as the C series aircraft wing of Pang Badi and the composite wing of MS-21 all have employed this kind of technology on the main force support structure of civil aircraft.
Manufacture for composite, low cost not only contains the low cost of material, and most importantly improves manufacture efficiency.In the process of Liquid molding techniques development, the preparation efficiency improving precast body seems particularly important.
Summary of the invention
The object of this invention is to provide a kind of rapid shaping composite fabric precast body preparation facilities and method, improve the preparation efficiency of precast body, the precast body preparation of any geomery can be realized by the mode of opening fast, heating, pressurizeing under the film of high deformability.
Technical solution of the present invention is:
A kind of rapid shaping composite fabric precast body preparation facilities, comprise patrix, counterdie and for controlling patrix, the temperature of counterdie, pressure, open, the controller of closing, described patrix adopts truss structure, patrix is provided with high deformable membrane, patrix and high deformable membrane form hollow chamber one, top in chamber one is provided with heating component and hot air circulating system, the joint of counterdie and patrix is provided with compression sealing strip, counterdie is provided with can horizontal movable type workbench, the table top of workbench adopts loose structure, the bottom of counterdie is provided with chamber two, the table top of workbench is provided with the through hole of some connection chambers two, chamber two is provided with vacuum plant, the bottom of counterdie is provided with the horizontal rail for mobile counterdie.
Further, heating component adopts the heating component of resistance wire hot air circulation, infrared lamp radiation or Circulation and Hot Oil Spray, and patrix is provided with some heating zone.
Further, patrix adopts epoxy generation wood, density board, aluminium alloy, foam, composite, solid wood, gypsum or mould steel to make, and counterdie adopts epoxy generation wood, density board, aluminium alloy, foam, composite, solid wood, gypsum or mould steel to make.
Further, high deformable membrane adopts the film that thickness is 0.2 ~ 5mm, elongation at break is 100 ~ 800%, heat resisting temperature is 20 DEG C ~ 300 DEG C, the film that high deformable membrane adopts natural rubber, silicon rubber, nitrile rubber or polyimides to make.
A kind of rapid shaping composite fabric precast body preparation method, adopts precast body preparation facilities, by heating, its compacting, heating and melting setting agent, cooling is prepared fabric precast body by negative pressure of vacuum by laying fabric together;
Precast body preparation facilities comprises patrix, counterdie and for controlling patrix, the temperature of counterdie, pressure, open, the controller of closing, described patrix adopts truss structure, patrix is provided with high deformable membrane, patrix and high deformable membrane form hollow chamber one, top in chamber one is provided with heating component and hot air circulating system, the joint of counterdie and patrix is provided with compression sealing strip, counterdie is provided with can horizontal movable type workbench, the table top of workbench adopts loose structure, the bottom of counterdie is provided with chamber two, the table top of workbench is provided with the through hole of some connection chambers two, chamber two is provided with vacuum plant, the bottom of counterdie is provided with the horizontal rail for mobile counterdie,
The preparation of fabric precast body is specially:
The band setting agent dry fabric completed by lay is placed on the workbench of counterdie, when moving horizontally counterdie to the below of patrix, patrix drops to the compression sealing strip of counterdie, patrix and counterdie are formed and seal die cavity, the chamber two of counterdie is provided with vacuum plant simultaneously, vacuum plant starts, chamber two is made to form negative pressure, compacting is carried out to the fabric on workbench, after compacting, the heating component of patrix heats with heating rate 2 ~ 20 DEG C/min fabric, vacuum pressure 0 ~ 0.09MPa shapes, closedown heating component after undetermined type completes, vacuum is closed after being cooled to room temperature, open patrix, prepare fabric precast body.
Further, setting agent adopts thermosetting setting agent or thermoplastic resin setting agent, and thermosetting setting agent to adopt in epoxy resin, bimaleimide resin, thermoset polyimide resin, benzoxazine resin, cyanic acid resin more than one; Thermoplastic resin setting agent comprise adopt polyamide, polyether sulfone, polyether-ether-ketone, in polyphenylene sulfide more than one.
Further, the surface density of setting agent is generally 2% ~ 20%wt of fabric side density.
Further, on the workbench of wooden counterdie, the fabric of deposit belt setting agent, is fixed by adhesive tape, wherein, and the pattern bonded fabrics surface epoxy resin powder of 2% ~ 15%wt; Counterdie is moved to the below of patrix, and the patrix that declines, open vacuum plant and chamber two is vacuumized, treat that vacuum reaches and establish timing heated automatically to start to heat, setting temperature is 80 ~ 140 DEG C, prepares epoxy powder setting agent fabric C-type beam precast body.
Further, on hyperboloid mould, pre-lay pattern bonded fabrics forms the exterior skin of sandwich, location lay foam layer, last lay residue laying also completes fixing, wherein select the pattern bonded fabrics of 5 ~ 15g non-woven fabrics, adopt this precast body preparation facilities to carry out compacting, carry out heat-shaping with setting temperature 90 ~ 260 DEG C, cooling obtains non-woven fabrics pattern bonded fabrics and prepares hyperboloid sandwich precast body.
The invention has the beneficial effects as follows: this kind of rapid shaping composite fabric precast body preparation facilities and method, to with the fabric fast compacting of setting agent, heating, cooling obtaining, there is the fabric precast body that definite shape requires by negative pressure of vacuum, almost can be realized the precast body of any thickness and geometry by the deformability of high resiliency film, and gained precast body is closely knit, thickness evenly and there is good non-deformability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Wherein: 1-patrix, 2-counterdie, 3-controller, 4-height deformable membrane, 5-heating component, 6-sealing strip, 7-workbench, 8-vacuum plant.
Detailed description of the invention
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
Embodiment
A kind of rapid shaping composite fabric precast body preparation facilities, as Fig. 1, comprise patrix 1, counterdie 2 and for controlling patrix 1, the temperature of counterdie 2, pressure, open, the controller 3 of closing, described patrix 1 adopts truss structure, patrix 1 is provided with high deformable membrane 4, patrix 1 and high deformable membrane 4 form hollow chamber one, top in chamber one is provided with heating component 5 and hot air circulating system, counterdie 2 is provided with compression sealing strip 6 with the joint of patrix 1, counterdie 2 is provided with can horizontal movable type workbench 7, the table top of workbench 7 adopts loose structure, the bottom of counterdie 2 is provided with chamber two, the table top of workbench 7 is provided with the through hole of some connection chambers two, chamber two is provided with vacuum plant 8, the bottom of counterdie 2 is provided with the horizontal rail for mobile counterdie 2.
The preparation of precast body seals patrix 1 by sealing strip 6, counterdie 2 is formed and closes cavity configuration, and by vacuum plant 8 extracting gases, high deformable membrane 4 realizes compacting fabric, heating and melting setting agent, cooling and shaping, forms final fabric precast body.
In embodiment, patrix 1 is mainly the crossbeam of truss structure, for supporting heating, high deformable membrane 4 and sealing strip 6.The object done like this is the huge heating component 5 of fixing patrix 1, to ensure the rigidity of whole patrix 1, ensures sealing.Patrix 1 only performs the folding that lifting and decline two actions can complete mould, achieves quick locked mode, die sinking.
Heating component 5 adopts the heating component 5 of resistance wire hot air circulation, infrared lamp radiation or Circulation and Hot Oil Spray, and patrix 1 is provided with some heating zone.The heating component 5 of patrix 1 inside can be controlled by subregion, and each control zone can realize independent heating, can select the carrying out of heating interval according to the size of product.Mode of heating can adopt resistance wire hot air circulation, infrared lamp radiation, Circulation and Hot Oil Spray etc.
High deformable membrane 4 adopts the film of natural rubber, silicon rubber, nitrile rubber, polyimides and its modified product.Film thickness is 0.2 ~ 5mm, and elongation at break is 100 ~ 800%, heat resisting temperature 20 DEG C ~ 300 DEG C.
Counterdie 2 is provided with the loose structure workbench 7 with certain bearing capacity, and the air that vacuum plant 8 extracts closed chamber fast by the table top of loose structure realizes negative pressure.Counterdie 2, by moving in parallel perpendicular to the horizontal rail in mould direction, facilitates the lifting with large-scale frock that is used alternatingly of multiple mould.
Patrix 1 adopts epoxy generation wood, density board, aluminium alloy, foam, composite, solid wood, gypsum or mould steel to make, and counterdie 2 adopts epoxy generation wood, density board, aluminium alloy, foam, composite, solid wood, gypsum or mould steel to make.
When the band setting agent dry fabric completed by lay is placed on the workbench 7 of counterdie 2, when moving horizontally counterdie 2 to fixed position, patrix 1 declines and forms sealing die cavity, vavuum pump starts and carries out compacting to fabric simultaneously, after compacting, Fast Heating is shaped, closedown heating source after undetermined type completes, closes vacuum after being cooled to room temperature, opens patrix 1.
A kind of rapid shaping composite fabric precast body preparation method, adopts precast body preparation facilities, by heating, its compacting, heating and melting setting agent, cooling is prepared fabric precast body by negative pressure of vacuum by laying fabric together; The preparation of fabric precast body is specially:
The band setting agent dry fabric completed by lay is placed on the workbench 7 of counterdie 2, when moving horizontally the below of counterdie 2 to patrix 1, patrix 1 drops to the compression sealing strip 6 of counterdie 2, patrix 1 and counterdie 2 are formed and seal die cavity, the chamber two of counterdie 2 is provided with vacuum plant 8 simultaneously, vacuum plant 8 starts, chamber two is made to form negative pressure, compacting is carried out to the fabric on workbench 7, after compacting, heating component 5 pairs of fabrics of patrix 1 heat with heating rate 2 ~ 20 DEG C/min, vacuum pressure 0 ~ 0.09MPa shapes, closedown heating component 5 after undetermined type completes, vacuum is closed after being cooled to room temperature, open patrix 1, prepare fabric precast body.
Example is prepared as with epoxy powder setting agent fabric C-type beam precast body:
The fabric of deposit belt setting agent, temporary fixed by adhesive tape on wood mold coupled; The wherein pattern bonded fabrics surface epoxy resin powder of 2% ~ 15%wt.Mould being placed son on the table and the patrix 1 that declines, opening vavuum pump to vacuumizing, reach heating when appointment requires until vacuum and automatically start and heat, setting temperature is 80 ~ 140 DEG C.Closely knit, the thickness of C-type beam precast body of preparation evenly and have good non-deformability.
That prepares hyperboloid sandwich precast body with non-woven fabrics pattern bonded fabrics is prepared as example:
On ready hyperboloid mould, pre-lay pattern bonded fabrics forms the exterior skin of sandwich, hyperboloid mould is made up of upper die and lower die, location lay foam layer, last lay residue laying also completes fixing, has wherein selected the pattern bonded fabrics of 5 ~ 15g non-woven fabrics.Adopt this product precast body that equipment carries out compacting, heat-shaping, cooling obtain hyperboloid structure, setting temperature is 90 ~ 260 DEG C, completes the preparation of fabric precast body.
Fabric face uniform adhesion one deck setting agent in embodiment, wherein setting agent can adopt thermosetting setting agent or thermoplastic resin setting agent two type.Thermosetting setting agent comprises the mixture of epoxy resin, bimaleimide resin, thermoset polyimide resin, benzoxazine resin, cyanic acid resin or its toughening modifying; Thermoplastic resin setting agent comprises polyamide, polyether sulfone, polyether-ether-ketone, polyphenylene sulfide and its modified product.The surface density of setting agent is generally 2% ~ 20% of fabric side density.Setting agent existence form includes but not limited to uniform powder, yarn, non-woven fabrics.
In embodiment, heating can realize subregion and carry out, and heating-up temperature is adjustable at 20 DEG C ~ 400 DEG C, and heating rate 2 ~ 20 DEG C/min, vacuum pressure 0 ~ 0.09MPa is controlled.
The pre-setting mould of embodiment adopts epoxy generation wood, density board, aluminium alloy, foam, composite, solid wood, gypsum, mould steel; Its size can cover in equipment sealing die cavity completely.
Claims (9)
1. a rapid shaping composite fabric precast body preparation facilities, it is characterized in that: comprise patrix, counterdie and for controlling patrix, the temperature of counterdie, pressure, open, the controller of closing, described patrix adopts truss structure, patrix is provided with high deformable membrane, patrix and high deformable membrane form hollow chamber one, top in chamber one is provided with heating component and hot air circulating system, the joint of counterdie and patrix is provided with compression sealing strip, counterdie is provided with can horizontal movable type workbench, the table top of workbench adopts loose structure, the bottom of counterdie is provided with chamber two, the table top of workbench is provided with the through hole of some connection chambers two, chamber two is provided with vacuum plant, the bottom of counterdie is provided with the horizontal rail for mobile counterdie.
2. rapid shaping composite fabric precast body preparation facilities as claimed in claim 1, is characterized in that: heating component adopts the heating component of resistance wire hot air circulation, infrared lamp radiation or Circulation and Hot Oil Spray, and patrix is provided with some heating zone.
3. rapid shaping composite fabric precast body preparation facilities as claimed in claim 1 or 2, it is characterized in that: patrix adopts epoxy generation wood, density board, aluminium alloy, foam, composite, solid wood, gypsum or mould steel to make, counterdie adopts epoxy generation wood, density board, aluminium alloy, foam, composite, solid wood, gypsum or mould steel to make.
4. rapid shaping composite fabric precast body preparation facilities as claimed in claim 1 or 2, it is characterized in that: high deformable membrane adopts the film that thickness is 0.2 ~ 5mm, elongation at break is 100 ~ 800%, heat resisting temperature is 20 DEG C ~ 300 DEG C, the film that high deformable membrane adopts natural rubber, silicon rubber, nitrile rubber or polyimides to make.
5. a rapid shaping composite fabric precast body preparation method, it is characterized in that: adopt precast body preparation facilities, by heating, its compacting, heating and melting setting agent, cooling are prepared fabric precast body by negative pressure of vacuum by laying fabric together;
Precast body preparation facilities comprises patrix, counterdie and for controlling patrix, the temperature of counterdie, pressure, open, the controller of closing, described patrix adopts truss structure, patrix is provided with high deformable membrane, patrix and high deformable membrane form hollow chamber one, top in chamber one is provided with heating component and hot air circulating system, the joint of counterdie and patrix is provided with compression sealing strip, counterdie is provided with can horizontal movable type workbench, the table top of workbench adopts loose structure, the bottom of counterdie is provided with chamber two, the table top of workbench is provided with the through hole of some connection chambers two, chamber two is provided with vacuum plant, the bottom of counterdie is provided with the horizontal rail for mobile counterdie,
The preparation of fabric precast body is specially:
The band setting agent dry fabric completed by lay is placed on the workbench of counterdie, when moving horizontally counterdie to the below of patrix, patrix drops to the compression sealing strip of counterdie, patrix and counterdie are formed and seal die cavity, the chamber two of counterdie is provided with vacuum plant simultaneously, vacuum plant starts, chamber two is made to form negative pressure, compacting is carried out to the fabric on workbench, after compacting, the heating component of patrix heats with heating rate 2 ~ 20 DEG C/min fabric, vacuum pressure 0 ~ 0.09MPa shapes, closedown heating component after undetermined type completes, vacuum is closed after being cooled to room temperature, open patrix, prepare fabric precast body.
6. rapid shaping composite fabric precast body preparation method as claimed in claim 5, it is characterized in that: setting agent adopts thermosetting setting agent or thermoplastic resin setting agent, thermosetting setting agent to adopt in epoxy resin, bimaleimide resin, thermoset polyimide resin, benzoxazine resin, cyanic acid resin more than one; Thermoplastic resin setting agent comprise adopt polyamide, polyether sulfone, polyether-ether-ketone, in polyphenylene sulfide more than one.
7. rapid shaping composite fabric precast body preparation method as claimed in claim 6, is characterized in that: the surface density of setting agent is generally 2% ~ 20%wt of fabric side density.
8. rapid shaping composite fabric precast body preparation method as claimed in claim 7, it is characterized in that: the fabric of deposit belt setting agent on the workbench of wooden counterdie, fixed by adhesive tape, wherein, the pattern bonded fabrics surface epoxy resin powder of 2% ~ 15%wt; Counterdie is moved to the below of patrix, and the patrix that declines, open vacuum plant and chamber two is vacuumized, treat that vacuum reaches and establish timing heated automatically to start to heat, setting temperature is 80 ~ 140 DEG C, prepares epoxy powder setting agent fabric C-type beam precast body.
9. rapid shaping composite fabric precast body preparation method as claimed in claim 7, it is characterized in that, on hyperboloid mould, pre-lay pattern bonded fabrics forms the exterior skin of sandwich, location lay foam layer, last lay residue laying also completes fixing, wherein selects the pattern bonded fabrics of 5 ~ 15g non-woven fabrics, adopts this precast body preparation facilities to carry out compacting, carry out heat-shaping with setting temperature 90 ~ 260 DEG C, cooling obtains non-woven fabrics pattern bonded fabrics and prepares hyperboloid sandwich precast body.
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| CN201510553465.4A CN105034411B (en) | 2015-09-02 | 2015-09-02 | Rapid shaping composite fabric precast body preparation facilities and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171102A (en) * | 2019-02-28 | 2019-08-27 | 山东中瑞德电动汽车有限公司 | A kind of auto parts sample quick shaping process |
| CN111873224A (en) * | 2020-07-29 | 2020-11-03 | 吉林省华阳新材料研发有限公司 | Device for rapidly preparing HP-RTM preform |
| CN112721244A (en) * | 2020-11-25 | 2021-04-30 | 江西昌兴航空装备股份有限公司 | Quick pre-pumping machine for composite material |
| CN113026180A (en) * | 2021-03-18 | 2021-06-25 | 常熟理工学院 | Loom capable of producing three-dimensional garment pieces |
| CN113462125A (en) * | 2021-07-14 | 2021-10-01 | 巩义市泛锐熠辉复合材料有限公司 | Resin foam preform, member made of resin foam preform, and method for producing the same |
| CN114193792A (en) * | 2021-12-07 | 2022-03-18 | 江苏奕通复合材料有限公司 | Halogen-free flame-retardant continuous fiber reinforced thermoplastic battery cover plate and preparation method thereof |
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| CN203779875U (en) * | 2014-02-13 | 2014-08-20 | 钟秉育 | Fast heating vacuum forming mold |
| CN104441697A (en) * | 2014-11-17 | 2015-03-25 | 上海飞机制造有限公司 | Performing method of composite material C-shaped component |
| CN204936240U (en) * | 2015-09-02 | 2016-01-06 | 江苏恒神股份有限公司 | Rapid shaping composite fabric precast body preparation facilities |
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| CN203779875U (en) * | 2014-02-13 | 2014-08-20 | 钟秉育 | Fast heating vacuum forming mold |
| CN104441697A (en) * | 2014-11-17 | 2015-03-25 | 上海飞机制造有限公司 | Performing method of composite material C-shaped component |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171102A (en) * | 2019-02-28 | 2019-08-27 | 山东中瑞德电动汽车有限公司 | A kind of auto parts sample quick shaping process |
| CN110171102B (en) * | 2019-02-28 | 2021-07-16 | 郭礼宁 | Rapid molding process for automobile part sample |
| CN111873224A (en) * | 2020-07-29 | 2020-11-03 | 吉林省华阳新材料研发有限公司 | Device for rapidly preparing HP-RTM preform |
| CN112721244A (en) * | 2020-11-25 | 2021-04-30 | 江西昌兴航空装备股份有限公司 | Quick pre-pumping machine for composite material |
| CN113026180A (en) * | 2021-03-18 | 2021-06-25 | 常熟理工学院 | Loom capable of producing three-dimensional garment pieces |
| CN113026180B (en) * | 2021-03-18 | 2022-07-15 | 常熟理工学院 | Loom capable of producing three-dimensional garment pieces |
| CN113462125A (en) * | 2021-07-14 | 2021-10-01 | 巩义市泛锐熠辉复合材料有限公司 | Resin foam preform, member made of resin foam preform, and method for producing the same |
| CN114193792A (en) * | 2021-12-07 | 2022-03-18 | 江苏奕通复合材料有限公司 | Halogen-free flame-retardant continuous fiber reinforced thermoplastic battery cover plate and preparation method thereof |
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|---|---|
| CN105034411B (en) | 2018-03-27 |
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