CN109483910A - A kind of composite material vessel dry method winding, molding method - Google Patents
A kind of composite material vessel dry method winding, molding method Download PDFInfo
- Publication number
- CN109483910A CN109483910A CN201811601733.5A CN201811601733A CN109483910A CN 109483910 A CN109483910 A CN 109483910A CN 201811601733 A CN201811601733 A CN 201811601733A CN 109483910 A CN109483910 A CN 109483910A
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- Prior art keywords
- winding
- composite material
- material vessel
- dry method
- molding method
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000004804 winding Methods 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 238000000465 moulding Methods 0.000 title claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000007711 solidification Methods 0.000 claims abstract description 15
- 230000008023 solidification Effects 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 239000000835 fiber Substances 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 238000005098 hot rolling Methods 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 238000007788 roughening Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 claims description 2
- 229920005992 thermoplastic resin Polymers 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004046 wet winding Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920013657 polymer matrix composite Polymers 0.000 description 1
- 239000011160 polymer matrix composite Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material 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
- B29C70/34—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 shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
-
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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 composite material vessel dry method winding, molding methods, comprising: heating prepegged strands or prepreg tape are wound to preparatory surface treated mold or liner/inserts surface, form the composite layer of container;There is the organic film of contractility, normal pressure or cure under pressure in the selection winding of composite material layer surface;After the completion of solidification that workpiece is cooling, removal mold and organic film obtain composite material vessel.The features such as short molding cycle of the present invention, high production efficiency, obtained composite material vessel is good with mechanical stability, and bearing capacity stablizes high, product weight and dimensional accuracy height, internal uniform, fine and close, and quality is reproducible, is suitable for military, civil field.
Description
Technical field
The invention belongs to field of compound material, in particular to a kind of composite material vessel dry method winding, molding method.
Background technique
Dry method winding is the new process to grow up on the basis of fiber Wet Winding Process, cloth tape wrapping.And use tradition fine
The composite material vessel of wet winding technology is tieed up, has and needs the actually linear unstable, molding of one-pass molding finite thickness, fiber
Blank is easily-deformable in the process, the production cycle is long, final resin content is high and control accuracy difference, product bearing capacity are low and control essence
Degree poor, product weight and dimensional accuracy is low, needs secondary mechanical processing, internal uneven, the low disadvantage of quality repeatability.
CN201510541340 discloses a kind of Carbon Fiber Composite Propeller Shaft pipe dry method winding, molding method, molding
In the process using the method by being heated to mold.Energy consumption is high for this method, and it is lower limited to be only applicable to forming temperature
Resin types are not suitable for high forming temperature resin system and form the composite material element of low thermally conductive liner/inserts or larger thickness,
And there is temperature gradient in thickness in composite material blank layer and surface, blank easily deforms, winding tension size
It is limited, influence the molding effect of composite layer.Meanwhile composite material blank layer surface wind one layer of pellosil or
Solidified again after PET film, the dry method winding blank layer for not needing pressurization will cause waste, larger solid for needing to apply
The dry method winding blank for changing pressure is not all satisfied solidifying requirements using one layer of pellosil or PET film, for needing other sizes
Other different layers of organic films or different types of film can be used in the dry method winding blank of solidifying pressure.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of composite material vessel dry method winding, molding method, this method
Compared with the dry method winding shaping process of mold heating, molding thickness and resin type are unrestricted, and the linear holding of fiber is more
Adding stabilization, forming process and solidification process control are more flexible effective, and interiors of products uniformity is more preferable, and mechanical stability is higher,
The available saving control of energy source and power cost, appropriate products field are wider.
The present invention provides a kind of composite material vessel dry method winding, molding methods, comprising:
(1) prepegged strands or prepreg tape are heated, preparatory surface treated mold or liner/inserts table are wound to
Face forms the composite layer of internal pressure vessel;
(2) wind after the completion of, composite material layer surface selection winding have contractility organic film, normal pressure or add
It is cured;After the completion of solidification that workpiece is cooling, removal mold and organic film obtain composite material vessel.
Prepegged strands or prepreg tape in the step (1) impregnate fiber or fabric by thermosetting property or thermoplastic resin
, resin content precision is less than ± 5%, width accuracy and is less than ± 2mm.
Heating prepegged strands or prepreg tape occur suitable resin viscosity to its surface in the step (1), but not make pre-
Gel occurs for the resin soaked in yarn or prepreg tape.
The heating method is that hot wind, radiation, fiber be thermally conductive or hot-rolling.
In the step (1) surface treatment include die surface cleaning, coating release agent or patch release cloth, metal or
Liner/insert surface roughening of non-metallic material or activation, spray or paste transition zone processing one or more of.
Mold in the step (1) is metal or nonmetal mould;Liner/inserts be metal or nonmetallic liner/
Inserts.
Winding in the step (1) makes prepegged strands or prepreg tape be wound in surface treated mold by the linear of design
Or liner/insert surface.
Preferably, the winding process parameter in the step (1) are as follows: winding temperature accuracy is less than ± 8 DEG C, prepegged strands/band
Width accuracy is less than ± 2mm, and winding tension is not more than the 80% of fibrous fracture strength, and speed of wrap is not more than 200m/min.
Canoe in the step (1) and (2) includes spiral, plane or circumferential direction.
The pressure of solidification temperature and cure under pressure in the step (2) is according to the resin reaction characteristic in prepegged strands/band
It determines.
Beneficial effect
(1) molding cycle of the present invention can foreshorten to 1/2 or less traditional fibre Wet Winding Process;
(2) composite material vessel of same bearing capacity, composite material layer weight of the invention can be wetter than traditional fibre
Method winding mitigates 20% or more, and the weight accuracy of composite layer may be controlled within ± 5%;
(3) composite layer of condition of equivalent thickness, bearing capacity of the present invention can be than the pressure-bearing energy of traditional fibre Wet Winding Process
Power improves 20% or more;
(4) the quality repeatable accuracy of product of the present invention can improve 30% or more than traditional fibre Wet Winding Process;
(5) compared with the dry method winding shaping process of mold heating, molding thickness of the present invention and resin type are unrestricted,
Low heat transfer liner/inserts composite material pressure container, practicable hightension winding, forming process, solidification side can be formed
Formula and solidification process control are more flexible effective, more stable, product bearing capacity and the pressure-bearing stability of the linear holding of fiber
Higher, dimensional accuracy is higher, and compact structure and uniformity are more preferable, and quality is more stable, the available saving of energy source and power cost
Control;
(6) compared with traditional fiber wet-winding craft, strap winding process, existing dry method winding technology, this hair
It is bright the operation is more convenient flexibly, be suitable for the bar for having different performance requirement, pipe, tank, ring, spherical shape or aforementioned combinatorial contour structures,
The polymer matrix composites layer that different resins and fiber type, winding temperature, winding tension, speed of wrap, solidifying pressure require
It is Wrapping formed.
Detailed description of the invention
Fig. 1 is equipment schematic diagram of the invention;Wherein, 1 is prepegged strands/band for mold or inserts or liner, 2, and 3 be effective
Heating zone, 4 be conductive filament head, and 5 be heating device.
Fig. 2 is process flow chart of the invention.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1
The molding and solidification of certain thermal insulating liner internal pressure vessel
(1) heating carbon fibre initial rinse yarn is wrapped on the good thermal insulating liner of preforming to 50 DEG C, forms interior pressure-volume
The composite layer of device.Wherein, prepegged strands winding temperature control is (50 ± 8) DEG C, prepegged strands bandwidth ± 0.5mm, winding tension
50~80N, 60~80m/min of speed of wrap.
(2) after the completion of winding, 2 layers of organic film, low pressure curing type are wound again on the surface of winding blank;It will after the completion of solidification
Workpiece is cooled to room temperature, and removal mold and organic film obtain composite material vessel.
Through detecting, the present embodiment composite material vessel burst pressure is 79MPa, is made with traditional fibre wet-winding craft
Identical liner, suitable outer dimension internal pressure vessel burst pressure be 47MPa.
Embodiment 2
The molding and solidification of certain external pressure vessel
(1) heating glass fiber prepegged strands are to 60 DEG C, on the mold after being wrapped in surface treated, form outer pressure-volume
The composite layer of device.Wherein, prepegged strands winding temperature control is (60 ± 5) DEG C, prepegged strands bandwidth ± 0.5mm, winding tension
30~50N, 50~60m/min of speed of wrap.
(2) after the completion of winding, normal heating solidification;Workpiece is cooled to room temperature after the completion of solidification, removal mold is answered
Condensation material external pressure vessel.
Through 0.1MPa-60MPa-0.1MPa circulation External Hydrostatic Pressure test, the present embodiment composite material external pressure vessel 2000 times
Loop test is without destruction, unstable failure when the 7th circulation of composite material external pressure vessel that heating mould obtains under the same terms.
Embodiment 3
The molding and solidification of certain low temperature thin-walled pressure vessel
(1) heating glass fiber prepreg tape on the mold after being wrapped in surface treated, forms container to 50 DEG C
Composite layer.Wherein, prepreg tape winding temperature control be (50 ± 3) DEG C, prepegged strands bandwidth ± 0.2mm, winding tension 20~
25N, 30~40m/min of speed of wrap.
(2) after the completion of winding, normal heating solidification;Workpiece is cooled to room temperature after the completion of solidification, removal mold is answered
Condensation material shell.
Through -200 DEG C of helium leak detections, the compactness and uniformity of the present embodiment low temperature thin-walled pressure vessel are good, the helium of wall thickness
Gas leak rate≤1 × 10-10Pa·m3/ s, totally 1000 product qualification rates are greater than 95% to 10 batches of continuous production.Under the same terms
The container uniformity of fabric wet winding is poor and unstable, and 40% or more is more than leak rate index, batch qualification rate maximum difference
32%.
Claims (9)
1. a kind of composite material vessel dry method winding, molding method, comprising:
(1) prepegged strands or prepreg tape are heated, preparatory surface treated mold or liner/inserts surface, shape are wound to
At the composite layer of internal pressure vessel;
(2) after the completion of winding, there is the organic film of contractility in the selection winding of composite material layer surface, normal pressure or pressurization are solid
Change;After the completion of solidification that workpiece is cooling, removal mold and organic film obtain composite material vessel.
2. a kind of composite material vessel dry method winding, molding method according to claim 1, it is characterised in that: the step
(1) prepegged strands or prepreg tape in impregnate fiber by thermosetting property or thermoplastic resin or fabric obtains, and resin content precision is small
It is less than ± 2mm in ± 5%, width accuracy.
3. a kind of composite material vessel dry method winding, molding method according to claim 1, it is characterised in that: the step
(1) heating prepegged strands or prepreg tape occur suitable resin viscosity to its surface in, but not make in prepegged strands or prepreg tape
Gel occurs for resin.
4. a kind of composite material vessel dry method winding, molding method according to claim 1, it is characterised in that: the heating
Mode is that hot wind, radiation, fiber be thermally conductive or hot-rolling.
5. a kind of composite material vessel dry method winding, molding method according to claim 1, it is characterised in that: the step
(1) surface treatment in includes the cleaning of die surface, coats release agent or paste the interior of release cloth, metal or non-metallic material
Lining/insert surface roughening or activation, spray or paste transition zone processing one or more of.
6. a kind of composite material vessel dry method winding, molding method according to claim 1, it is characterised in that: the step
(1) mold in is metal or nonmetal mould;Liner/inserts is metal or nonmetallic liner/inserts.
7. a kind of composite material vessel dry method winding, molding method according to claim 1, it is characterised in that: the step
(1) winding in makes prepegged strands or prepreg tape be wound in surface treated mold or liner/insert surface by the linear of design.
8. a kind of composite material vessel dry method winding, molding method according to claim 1 or claim 7, it is characterised in that: described
Winding process parameter in step (1) are as follows: winding temperature accuracy is less than ± 8 DEG C, and prepegged strands/bandwidth precision is less than ± 2mm, twines
It is not more than the 80% of fibrous fracture strength around tension, speed of wrap is not more than 200m/min.
9. a kind of composite material vessel dry method winding, molding method according to claim 1, it is characterised in that: the step
(1) and the canoe in (2) includes spiral, plane or circumferential direction.
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CN201811601733.5A CN109483910A (en) | 2018-12-26 | 2018-12-26 | A kind of composite material vessel dry method winding, molding method |
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CN201811601733.5A CN109483910A (en) | 2018-12-26 | 2018-12-26 | A kind of composite material vessel dry method winding, molding method |
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Family
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CN201811601733.5A Pending CN109483910A (en) | 2018-12-26 | 2018-12-26 | A kind of composite material vessel dry method winding, molding method |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111070736A (en) * | 2019-12-13 | 2020-04-28 | 上海工程技术大学 | Method for improving bending performance of carbon fiber wound metal mixing pipe |
CN112297465A (en) * | 2020-09-02 | 2021-02-02 | 江苏新扬新材料股份有限公司 | Large composite material rocket engine shell winding method |
CN113650318A (en) * | 2021-08-05 | 2021-11-16 | 浙江抟原复合材料有限公司 | Dry winding forming method for composite material gas cylinder |
CN113954400A (en) * | 2021-10-15 | 2022-01-21 | 上海朗旦复合材料科技有限公司 | Method for manufacturing full composite material pressure container |
CN115195161A (en) * | 2022-07-26 | 2022-10-18 | 山东中恒景新碳纤维科技发展有限公司 | Manufacturing method of composite material gas cylinder with woven structure and composite material gas cylinder |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111070736A (en) * | 2019-12-13 | 2020-04-28 | 上海工程技术大学 | Method for improving bending performance of carbon fiber wound metal mixing pipe |
CN111070736B (en) * | 2019-12-13 | 2021-07-23 | 上海工程技术大学 | Method for improving bending performance of carbon fiber wound metal mixing pipe |
CN112297465A (en) * | 2020-09-02 | 2021-02-02 | 江苏新扬新材料股份有限公司 | Large composite material rocket engine shell winding method |
CN113650318A (en) * | 2021-08-05 | 2021-11-16 | 浙江抟原复合材料有限公司 | Dry winding forming method for composite material gas cylinder |
CN113954400A (en) * | 2021-10-15 | 2022-01-21 | 上海朗旦复合材料科技有限公司 | Method for manufacturing full composite material pressure container |
CN115195161A (en) * | 2022-07-26 | 2022-10-18 | 山东中恒景新碳纤维科技发展有限公司 | Manufacturing method of composite material gas cylinder with woven structure and composite material gas cylinder |
CN115195161B (en) * | 2022-07-26 | 2024-05-24 | 山东中恒景新碳纤维科技发展有限公司 | Manufacturing method of braided structure composite material gas cylinder and composite material gas cylinder |
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Application publication date: 20190319 |