CN111016223A - Detachable combined tool for manufacturing lining-free composite material storage box - Google Patents
Detachable combined tool for manufacturing lining-free composite material storage box Download PDFInfo
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- CN111016223A CN111016223A CN201911088293.2A CN201911088293A CN111016223A CN 111016223 A CN111016223 A CN 111016223A CN 201911088293 A CN201911088293 A CN 201911088293A CN 111016223 A CN111016223 A CN 111016223A
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- composite material
- tool
- section tool
- composite
- storage tank
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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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7162—Boxes, cartons, cases
Abstract
The invention relates to a detachable combined tool for manufacturing a lining-free composite material storage tank, which comprises a composite material front section tool, a composite material middle section tool, a composite material rear section tool, a connecting stringer and a metal connecting flange, wherein the composite material front section tool is connected with the composite material middle section tool through the connecting stringer; the composite material front section tool, the composite material middle section tool and the composite material rear section tool are connected through connecting stringers, the composite material tool connected to form the integral outer profile is connected with an external mandrel through a metal connecting flange, and the metal connecting flange, the connecting stringers and the composite material tool are connected through bolts. The invention realizes the light weight of the storage tank structure, the thermal expansion coefficient of the tool is matched with a composite material system, and the high-quality molding of the linerless composite material storage tank can be realized by matching with the laying and winding processes.
Description
Technical Field
The invention discloses a detachable combined type tool for manufacturing a lining-free composite material storage box, and belongs to the field of structural design.
Background
The composite material storage tank is a novel storage tank structure which takes carbon fiber as a reinforcing material and epoxy resin as a base material, the traditional composite material storage tanks all take a metal layer (aluminum alloy or titanium alloy) as an inner liner layer, and composite material layers are wound or laid outside the composite material storage tank, wherein the metal inner liner plays a role of anti-seepage and composite material winding tooling, the outer composite material plays a role of bearing internal pressure load, and the forming process adopts a winding process or a laying process and is mainly used for storing high-pressure gas or low-temperature liquid.
With the progress of material technology and forming process, the linerless composite material storage tank becomes the development direction of the composite material storage tank, most main structures of the linerless composite material storage tank are made of composite materials, a metal lining or an internal anti-leakage layer is not needed, the composite materials are used as an anti-leakage structure and a stress structure at the same time, the linerless composite material storage tank can greatly reduce the weight of the structure, the forming process and time are shortened, and a high-quality composite material laying structure can be realized by matching with an advanced prepreg laying process. And the shaping of no inside lining combined material storage tank needs inside support frock, and this kind of frock must possess the detachable function, after box solidification shaping, can divide into a plurality of monomer frocks with whole frock through demolising of connecting piece, takes out from the trompil of box, just so can guarantee that combined material box weight is lighter than the metal storage tank of the same structure. The tool is used for winding or laying the main structure of the outer-layer composite material storage tank, is cured and formed together with the composite material structure, needs to undergo temperature change from normal temperature to high temperature, and puts forward several performance requirements on the tool material: (1) the thermal expansion coefficient of the tool needs to be matched with a composite material box material system, and the situation of thermal deformation mismatching cannot occur in the heating and curing process; (2) the overall weight of the tool is light, the investment of an additional tool is reduced, the weight of the tool cannot be too large, the burden of a winding movement mechanism is increased, the quality of a single tool is controlled within the range capable of being operated by a single worker, and otherwise, the tool does not have an operation space for assembly and disassembly. (3) The connecting assembly can be detached from the inside of the tool, the laying surface of the tool cannot be provided with a bulge, and the inside of the composite material storage box cannot be damaged in the detaching process; (4) the interior of the tool needs to ensure the operation space of workers, and large protrusions or connecting frames cannot be arranged in the tool, so that the tool is matched with the vacuum bag pressing and autoclave forming process.
Combining the performance and structural requirements of the liner-free composite material storage tank manufacturing tool, the material and structure of the tool face a huge challenge.
Disclosure of Invention
The technical problems solved by the invention are as follows: the combined type forming tool overcomes the defects of the prior art, can be detached and taken out after the composite material storage tank is manufactured, realizes the lightweight of the storage tank structure, has the thermal expansion coefficient matched with a composite material system, and can be matched with the laying and winding process to realize the high-quality forming of the composite material storage tank without the lining.
The technical scheme of the invention is as follows: a detachable combined tool for manufacturing a lining-free composite material storage tank comprises a composite material front section tool, a composite material middle section tool, a composite material rear section tool, a connecting stringer and a metal connecting flange; the composite material front section tool, the composite material middle section tool and the composite material rear section tool are connected through connecting stringers, the composite material tool connected to form the integral outer profile is connected with an external mandrel through a metal connecting flange, and the metal connecting flange, the connecting stringers and the composite material tool are connected through bolts.
The composite material front section tool, the composite material middle section tool and the composite material rear section tool are made of carbon fiber reinforced resin matrix composite materials.
The thicknesses of the composite material front section tool, the composite material middle section tool and the composite material rear section tool are all 10-15 mm.
The weight of the composite material front section tool, the composite material middle section tool and the composite material rear section tool is not more than 20 kg.
The layer spreading structure of the composite material front section tool, the composite material middle section tool and the composite material rear section tool adopts a quasi-isotropic layer spreading.
The preparation process of the composite material front section tool, the composite material middle section tool and the composite material rear section tool adopts a laying forming process.
The molded surfaces of the composite material front section tool, the composite material middle section tool and the composite material rear section tool are respectively a spherical surface, an ellipsoid surface and a spline surface.
The single-layer thickness of the layer laying structure of the composite material front section tool, the composite material middle section tool and the composite material rear section tool is 0.125mm-0.15 mm.
The material of the connecting stringer is stainless steel or aluminum alloy or carbon fiber reinforced resin matrix composite.
The connecting hole of the metal connecting flange and the mandrel is a through hole or a threaded hole.
Compared with the prior art, the invention has the advantages that:
(1) the main body material of the tool adopts a composite material system consistent with the storage tank system, the whole weight of the tool is light, various auxiliary tool devices and hoisting devices can be reduced, the cost is saved, and the efficiency is improved.
(2) The thermal expansion coefficient of the detachable combined tool is basically consistent with that of the manufactured composite material storage box, the problem that the thermal deformation of the tool is not matched with that of the composite material storage box is solved in the heating and curing process, and the forming quality is higher than that of a metal tool.
(3) The detachable combined type tool can be detached into a single tool from the inside and taken out after the composite material storage box is formed, the thickness of the prepared composite material storage box can be thinner, a light composite material storage box can be prepared, and the weight of the composite material storage box is greatly reduced compared with that of the composite material storage box with a metal lining.
(4) The detachable combined type tool can be combined into an integral tool with different diameters, lengths and profiles by utilizing the connecting interface and other single tools, is used for manufacturing composite material storage boxes with different specifications, and saves a large amount of tool cost compared with a metal tool without independently putting different storage boxes into manufacturing tools.
(5) The detachable combined type tool adopts a composite material system, has the characteristics of light weight and high strength, the light weight of the single tool can enable the load borne by the connecting piece to be small, the connecting piece with a small number of simple structures can be used for realizing the connection, and various deformation generated by the dead weight of the tool can be offset by various truss structures in the metal tool.
Drawings
Fig. 1 shows a composite material front section tool according to the present invention.
Fig. 2 is a composite material middle section tool according to the invention.
Fig. 3 is a composite material rear section tool according to the invention.
Figure 4 is an attachment stringer according to the present invention.
Fig. 5 is a metal flange for connecting a tool and a mandrel according to the present invention.
FIG. 6 is a diagram of an internal connection configuration of a composite material modular tooling.
Fig. 7 is a structural diagram of the detachable combined tool according to the present invention after the assembly is completed.
Detailed Description
The invention relates to a detachable combined tool structure for manufacturing a lining-free composite material storage box, which comprises the following components:
as shown in fig. 1-7, the detachable composite tool structure mainly comprises 5 parts, namely, a composite material front section tool 1, a composite material middle section tool 2, a composite material rear section tool 3, a connecting stringer 4, and a metal connecting flange 5. The composite material front section tool 1, the composite material middle section tool 2 and the composite material rear section tool 3 are connected through the connecting stringer 4, the composite material tool connected into a whole outer profile is connected with an external mandrel through the metal connecting flange 5, and the metal connecting flange 5, the connecting stringer 4 and the composite material tool are connected through bolts.
The layer laying structure of the composite material front section tool 1, the composite material middle section tool 2 and the composite material rear section tool 3 adopts a quasi-isotropic layer laying, so that the deformation generated by the internal stress of the tool is reduced, and the profile precision of the tool is ensured to the maximum extent; the manufacturing process adopts a laying forming process, so that the thickness and the molded surface of the tool can be well controlled, and the internal defects are reduced; the material system is a carbon fiber reinforced resin matrix composite material, the thermal expansion coefficient of the material system is matched with that of the composite material box body, and the material system cannot generate uncoordinated deformation in the curing process;
the connection purlin 4 material can select metal materials such as high-modulus steel, aluminum alloy for use, also can select the combined material of carbon fibre, fine reinforcing of glass, connects purlin 4 main effect and is connected two adjacent combined material monomer frocks, strengthens rigidity and stability of junction to guarantee the continuation of junction frock profile curvature, connect and have two rows of connecting holes on the purlin 4, along connecting the face distribution, its interval can the equidistance also can not the equidistance.
The metal connecting flange 5 is made of high-modulus steel, the connecting edge of the metal connecting flange is circular, and a circle of connecting holes are formed for connecting the assembled composite material tool; the central part of the composite material storage box is a circular plane, an opening in the center is used for the core shaft to penetrate through, a circle of connecting holes are formed around the opening and used for connecting the flange on the core shaft with the metal connecting flange, and after the connection is completed, the composite material tool is fixed on the rotary core shaft and has the condition for manufacturing the composite material storage box.
Claims (10)
1. The utility model provides a can dismantle combination formula frock for having manufacturing of inside lining combined material storage tank which characterized in that: the composite material connecting device comprises a composite material front section tool (1), a composite material middle section tool (2), a composite material rear section tool (3), a connecting stringer (4) and a metal connecting flange (5); the composite material front section tool (1), the composite material middle section tool (2) and the composite material rear section tool (3) are connected through the connecting stringers (4), the composite material tool connected into a whole outer profile is connected with an external mandrel through the metal connecting flange (5), and the metal connecting flange (5), the connecting stringers (4) and the composite material tool are connected through bolts.
2. The detachable combined tool for manufacturing the linerless composite storage tank of claim 1, wherein: the composite material front section tool (1), the composite material middle section tool (2) and the composite material rear section tool (3) are made of carbon fiber reinforced resin matrix composite materials.
3. The detachable combined tool for manufacturing the linerless composite storage tank of claim 2, wherein: the thicknesses of the composite material front section tool (1), the composite material middle section tool (2) and the composite material rear section tool (3) are all 10-15 mm.
4. The removable modular tooling for linerless composite storage tank manufacture of claim 3, wherein: the weight of the composite material front section tool (1), the composite material middle section tool (2) and the composite material rear section tool (3) is not more than 20 kg.
5. The detachable combined tool for manufacturing the linerless composite storage tank of claim 1, wherein: the layer spreading structure of the composite material front section tool (1), the composite material middle section tool (2) and the composite material rear section tool (3) adopts a quasi-isotropic layer spreading.
6. The detachable combined tool for manufacturing the linerless composite storage tank of claim 1, wherein: the preparation process of the composite material front section tool (1), the composite material middle section tool (2) and the composite material rear section tool (3) adopts a laying forming process.
7. The detachable combined tool for manufacturing the linerless composite storage tank of claim 1, wherein: the molded surfaces of the composite material front section tool (1), the composite material middle section tool (2) and the composite material rear section tool (3) are respectively a spherical surface, an ellipsoid surface and a spline surface.
8. The tool of claim 6, wherein the tool comprises: the single-layer thickness of the layer structure of the composite material front section tool (1), the composite material middle section tool (2) and the composite material rear section tool (3) is 0.125mm-0.15 mm.
9. The detachable combined tool for manufacturing the linerless composite storage tank of claim 1, wherein: the connecting stringer (4) is made of stainless steel or aluminum alloy or carbon fiber reinforced resin matrix composite.
10. The detachable combined tool for manufacturing the linerless composite storage tank of claim 1, wherein: the connecting hole of the metal connecting flange (5) and the mandrel is a through hole or a threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911088293.2A CN111016223A (en) | 2019-11-08 | 2019-11-08 | Detachable combined tool for manufacturing lining-free composite material storage box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911088293.2A CN111016223A (en) | 2019-11-08 | 2019-11-08 | Detachable combined tool for manufacturing lining-free composite material storage box |
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| CN111016223A true CN111016223A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911088293.2A Pending CN111016223A (en) | 2019-11-08 | 2019-11-08 | Detachable combined tool for manufacturing lining-free composite material storage box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678033A (en) * | 2020-04-30 | 2020-09-18 | 合肥工业大学 | Lining-free composite material liquid oxygen storage tank and preparation method thereof |
| CN113103615A (en) * | 2021-03-19 | 2021-07-13 | 航天材料及工艺研究所 | Integral forming process method of composite material low-temperature storage tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2724935A1 (en) * | 2009-12-16 | 2011-06-16 | Airbus Operations (Sas) | Equipment for manufacturing a composite panel, particularly for aircraft fuselage |
| CN106003755A (en) * | 2016-07-06 | 2016-10-12 | 上海复合材料科技有限公司 | Mold and method for forming carrier rocket low-temperature liquid oxygen storage tank made of all-composite material |
| CN109177226A (en) * | 2018-08-29 | 2019-01-11 | 航天材料及工艺研究所 | A kind of molding die and its forming method of approximation enclosed construction composite material casing |
| CN109278315A (en) * | 2018-09-29 | 2019-01-29 | 江阴市富仁高科股份有限公司 | A kind of preparation process with interior reinforcing rib glass reinforced plastic oil tank |
-
2019
- 2019-11-08 CN CN201911088293.2A patent/CN111016223A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2724935A1 (en) * | 2009-12-16 | 2011-06-16 | Airbus Operations (Sas) | Equipment for manufacturing a composite panel, particularly for aircraft fuselage |
| CN106003755A (en) * | 2016-07-06 | 2016-10-12 | 上海复合材料科技有限公司 | Mold and method for forming carrier rocket low-temperature liquid oxygen storage tank made of all-composite material |
| CN109177226A (en) * | 2018-08-29 | 2019-01-11 | 航天材料及工艺研究所 | A kind of molding die and its forming method of approximation enclosed construction composite material casing |
| CN109278315A (en) * | 2018-09-29 | 2019-01-29 | 江阴市富仁高科股份有限公司 | A kind of preparation process with interior reinforcing rib glass reinforced plastic oil tank |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678033A (en) * | 2020-04-30 | 2020-09-18 | 合肥工业大学 | Lining-free composite material liquid oxygen storage tank and preparation method thereof |
| CN113103615A (en) * | 2021-03-19 | 2021-07-13 | 航天材料及工艺研究所 | Integral forming process method of composite material low-temperature storage tank |
| CN113103615B (en) * | 2021-03-19 | 2022-08-12 | 航天材料及工艺研究所 | Integral forming process method of composite material low-temperature storage tank |
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Application publication date: 20200417 |
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