CN103552259A - Mold for forming double-walled composite material container through vacuum-assisted resin transfer molding (RTM) process - Google Patents
Mold for forming double-walled composite material container through vacuum-assisted resin transfer molding (RTM) process Download PDFInfo
- Publication number
- CN103552259A CN103552259A CN201310511111.4A CN201310511111A CN103552259A CN 103552259 A CN103552259 A CN 103552259A CN 201310511111 A CN201310511111 A CN 201310511111A CN 103552259 A CN103552259 A CN 103552259A
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- Prior art keywords
- mold
- mould
- double
- composite material
- walled
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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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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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
- B29C70/30—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
Abstract
The invention belongs to the technical field of composite material processing and relates to a processing technology of a double-walled composite material container. By virtue of a combination structure of a flexible male mold and a rigid female mold, the double-walled container can be formed integrally. A mold for forming the double-walled composite material container through a vacuum-assisted resin transfer molding (RTM) process, provided by the invention, is of a female mold and male mold combination structure, and is characterized in that a male mold (4) is an integrated flexible mold; a female mold (6) is an annular multi-petal combined rigid mold; independent resin filling systems are arranged at the corresponding positions of the female mold and the male mold respectively; 2n+1 rows of adhesive filling systems are arranged in parallel along the axial direction of a tank body, wherein n is an integer; the adhesive filling systems comprise a row of initial adhesive filling ports (5) and 2n rows of symmetrical process adhesive filling ports (7); air exhaust systems (8) are arranged at the far ends of the initial adhesive filling ports along the axial direction of the tank body. The mold is simple in structure, good in operability and high in forming efficiency; a ring body structure can be formed once. The mold is applicable to forming of the double-walled composite material container, and is particularly applicable to integral forming of a large double-walled composite material storage tank.
Description
Technical field
The invention belongs to composites processing technology field, relate to composite material vessel process technology, particularly the process technology of double-walled composite material vessel.
Background technology
The buried tank manufacturing process of double walled tank manufacturer double-walled fiberglass such as Canada ZCL company and U.S. XERXES are identical, first apply former mould and prepare half tank body, outer wall and reinforcement are one-body molded through spray technology, by 3D fabric or spacer particles and barrier film coating to outer wall inner side, then injection molding double walled tank inwall, finally forms complete double walled tank tank body by two and half tank body docking.
Chinese patent 201010298344.7, a kind of glass fiber reinforced plastics twin-wall oil tank and preparation method thereof and particular manufacturing craft, it is the double walled tank patent of the common application in Jizhou City Zhongyi Compound Materials Co., Ltd and Canadian ZCL company, related double walled tank moulding particular manufacturing craft is some lobe steel arc formworks, by the template flange wing limit forming of turning up, be connected into unitary mould structure, being connected and fixed hoop on the outer wall of template and being provided with the mould rotary drum of two annulars, in template, be arranged circumferentially some matrixs or convex annulus.
Summary of the invention
The object of the present invention is to provide a kind of particular manufacturing craft that is applicable to the glass fibre reinforced composion double-walled container of VA RTM technological forming, realize goods one-body molded.
The object of the present invention is achieved like this, adopt flexible formpiston and rigid female die combination structure, tank body hoop far-end arranges respectively injecting glue and gas extraction system, and tun is arranged circumferentially to many row's gum-injecting ports, matched molds correspondence arranges resin filling system, realizes double-walled container one-body molded.
The mould of the VA RTM technological forming composite double-walled container the present invention relates to, is matched molds combining structure, it is characterized in that: formpiston 4 is overall flexibility mould, and former 6 is the many lobe combinations of hoop rigid mould; Matched molds correspondence position arranges respectively independent resin filling system; Along tank body axially parallel, 2n+1 row injection system is set, n is natural number, comprises the initial gum-injecting port 5 of a row, and 2n arranges symmetrical process gum-injecting port 7, along tank body, axially at initial gum-injecting port far-end, gas extraction system 8 is set, mould structure as accompanying drawing 1, mould cross-section structure as shown in Figure 2.
The mould of the VA RTM technological forming composite double-walled container the present invention relates to, is matched molds combining structure, it is characterized in that: described 2n+1 row injection system, row's spacing is between 500mm～1000mm.
The mould of the VA RTM technological forming composite double-walled container the present invention relates to, is matched molds combining structure, it is characterized in that: the every row of described injection system arranges m gum-injecting port, and gum-injecting port spacing is not more than 1000mm.
The mould of the VA RTM technological forming composite double-walled container the present invention relates to, is matched molds combining structure, it is characterized in that: described flexible formpiston 4 is the silicon rubber mould of thickness 10mm～20mm.
The mould of the VA RTM technological forming composite double-walled container the present invention relates to, is matched molds combining structure, it is characterized in that: flexible formpiston 4 external diameters are than the little 2mm～50mm of tank body internal diameter.
The mould of the VA RTM technological forming composite double-walled container the present invention relates to, is matched molds combining structure, it is characterized in that: described former 6 be two lobes to die combination structure, a side connects with linkage 10, opposite side arranges blocking mechanism 12; Linkage corresponding position arranges initial gum-injecting port 5, and blocking mechanism place lays gas extraction system 8, and structure as shown in Figure 3.
The mould of the VA RTM technological forming composite double-walled container the present invention relates to, simple in structure, operability is good, reusable, has shaping efficiency high, realize ring body structurc one-shot forming, the tank body presentation quality of institute's moulding is good, and quality conformance is high, and this mould is applicable to the moulding of double-walled composite material vessel, be specially adapted to large-scale composite material double-walled storage tank one-body molded, be more specially adapted to the one-body molded of different materials system double walled tank.
Accompanying drawing explanation
The mould structure schematic diagram that accompanying drawing 1 the present invention relates to
The mould cross-sectional view that accompanying drawing 2 the present invention relates to
A kind of specific embodiment structural representation of the mould that accompanying drawing 3 the present invention relates to
Wherein: 1-outer wall laying, 2-inwall laying, 3-gap laying, 4-formpiston; 5-initial gum-injecting port, 6-former, 7-process gum-injecting port, 8-gas extraction system, 9-manhole, 10-linkage, 11-lifting ring mechanism, 12-blocking mechanism.
The specific embodiment
Below with a kind of 50m
3composite double walled tank be that example is described in further detail VA RTM process mould provided by the present invention by reference to the accompanying drawings, but not as restriction to protection domain.
50m
3composite twin-wall oil tank external diameter 3m, internal diameter 2.97m, length 9m, inside and outside wall thickness is respectively 7mm, gap 1mm, with the manhole 9 of a 600mm.
Former 6 is that the semicircle die combination of the thick steel of 15mm forms by a pair of thickness, radial section structure as shown in Figure 3, semicircle mould cylinder segment length 9m, diameter 3m, end face is that radius is the sphere of 1.5m, cylindrical section and sphere rounding off; Between two lobe moulds, be reserved with 20mm gap, at mold cylinder section matched moulds place, a side arranges linkage 10, and opposite side arranges blocking mechanism 12, and epivalve mould blocking mechanism one side circumference 1/4th place's symmetrical parallel arrange 1 pair of lifting ring mechanism 11; It is uniform that matched moulds place arranges respectively 13 initial gum-injecting port 5() and gas extraction system 8, two lobe mould symmetries equidistantly arrange respectively 8 rows, 7(is uniform for 13/row process gum-injecting port); Manhole 9 is set between process gum-injecting port 7.
Adopt VA RTM technological forming double-walled storage tank, during moulding, lay inwall laying 2, gap laying 3 and outer wall laying 1 and interior adventitia injection system and gas extraction system 8 successively on formpiston, lay manhole laying after matched moulds, moulding realizes the one-shot forming with manhole double-walled tank body according to a conventional method.
Claims (6)
1. a mould for VA RTM technological forming composite double-walled container, is matched molds combining structure, it is characterized in that: formpiston (4) is overall flexibility mould, and former (6) is the many lobe combinations of hoop rigid mould; Matched molds correspondence position arranges respectively independent resin filling system; Along tank body axially parallel, 2n+1 row injection system is set, n is natural number, comprises the initial gum-injecting port of a row (5), and 2n arranges symmetrical process gum-injecting port (7), along tank body, axially at initial gum-injecting port far-end, gas extraction system (8) is set.
2. the mould of VA RTM technological forming composite double-walled container according to claim 1, is characterized in that: described 2n+1 row injection system, row's spacing is between 500mm～1000mm.
3. the mould of VA RTM technological forming composite double-walled container according to claim 1, is characterized in that: the every row of described injection system arranges m gum-injecting port, and gum-injecting port spacing is not more than 1000mm.
4. the mould of VA RTM technological forming composite double-walled container according to claim 1, is characterized in that: described flexible formpiston (4) is the silicon rubber mould of thickness 10mm～20mm.
5. according to the mould of the VA RTM technological forming composite double-walled container described in claim 1 or 4, it is characterized in that: flexible formpiston (4) external diameter is than the little 2mm～50mm of tank body internal diameter.
6. according to the mould of the VA RTM technological forming composite double-walled container described in claim 1～4, it is characterized in that: described former (6) is that two lobes are to die combination structure, one linkage for side (10) connects, and opposite side arranges blocking mechanism (12); Linkage corresponding position arranges initial gum-injecting port (5), and blocking mechanism place lays gas extraction system (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310511111.4A CN103552259B (en) | 2013-10-25 | 2013-10-25 | The mould of VA RTM technological forming composite double-walled container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310511111.4A CN103552259B (en) | 2013-10-25 | 2013-10-25 | The mould of VA RTM technological forming composite double-walled container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103552259A true CN103552259A (en) | 2014-02-05 |
| CN103552259B CN103552259B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310511111.4A Active CN103552259B (en) | 2013-10-25 | 2013-10-25 | The mould of VA RTM technological forming composite double-walled container |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228401A (en) * | 2018-08-24 | 2019-01-18 | 江苏亨睿碳纤维科技有限公司 | Composite material injection molding technique |
| CN112537056A (en) * | 2020-11-20 | 2021-03-23 | 上海复合材料科技有限公司 | Vacuum-assisted RTM (resin transfer molding) molding grid single-module forming die |
| CN115091791A (en) * | 2022-06-17 | 2022-09-23 | 中国船舶重工集团公司第七二五研究所 | Vacuum auxiliary forming positioning tool and process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5045251A (en) * | 1987-06-15 | 1991-09-03 | Ford Motor Company | Method of resin transfer molding a composite article |
| CN1883912A (en) * | 2006-06-06 | 2006-12-27 | 天津工业大学 | Method for producing sealing rubber air-bag male die and resin transfer molding method therefor |
| CN101352925A (en) * | 2008-08-25 | 2009-01-28 | 中国船舶重工集团公司第七二五研究所 | Vacuum auxiliary molding technique produced by high-facade composite material for ship |
| CN101376259A (en) * | 2007-09-01 | 2009-03-04 | 徐跃 | Injecting molding die for double layer bottle blank |
| CN203637201U (en) * | 2013-10-25 | 2014-06-11 | 中国兵器工业集团第五三研究所 | Mold for forming composite material double-wall container by using vacuum assistant RTM (Resin Transfer Molding) process |
-
2013
- 2013-10-25 CN CN201310511111.4A patent/CN103552259B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5045251A (en) * | 1987-06-15 | 1991-09-03 | Ford Motor Company | Method of resin transfer molding a composite article |
| CN1883912A (en) * | 2006-06-06 | 2006-12-27 | 天津工业大学 | Method for producing sealing rubber air-bag male die and resin transfer molding method therefor |
| CN101376259A (en) * | 2007-09-01 | 2009-03-04 | 徐跃 | Injecting molding die for double layer bottle blank |
| CN101352925A (en) * | 2008-08-25 | 2009-01-28 | 中国船舶重工集团公司第七二五研究所 | Vacuum auxiliary molding technique produced by high-facade composite material for ship |
| CN203637201U (en) * | 2013-10-25 | 2014-06-11 | 中国兵器工业集团第五三研究所 | Mold for forming composite material double-wall container by using vacuum assistant RTM (Resin Transfer Molding) process |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228401A (en) * | 2018-08-24 | 2019-01-18 | 江苏亨睿碳纤维科技有限公司 | Composite material injection molding technique |
| CN112537056A (en) * | 2020-11-20 | 2021-03-23 | 上海复合材料科技有限公司 | Vacuum-assisted RTM (resin transfer molding) molding grid single-module forming die |
| CN112537056B (en) * | 2020-11-20 | 2022-12-23 | 上海复合材料科技有限公司 | Vacuum-assisted RTM (resin transfer molding) molding grid single-module forming die |
| CN115091791A (en) * | 2022-06-17 | 2022-09-23 | 中国船舶重工集团公司第七二五研究所 | Vacuum auxiliary forming positioning tool and process |
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| Publication number | Publication date |
|---|---|
| CN103552259B (en) | 2016-08-03 |
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