CN211114412U - Truss type I-beam structure and mold for preparing same - Google Patents
Truss type I-beam structure and mold for preparing same Download PDFInfo
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- CN211114412U CN211114412U CN201921429698.3U CN201921429698U CN211114412U CN 211114412 U CN211114412 U CN 211114412U CN 201921429698 U CN201921429698 U CN 201921429698U CN 211114412 U CN211114412 U CN 211114412U
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Abstract
The utility model discloses a truss-like I-beam structure and be used for preparing this I-beam structure's mould, its structure includes upper and lower border strip, middle web, web both sides truss structure. The method is characterized in that the distribution, thickness and size of the truss structure on the web plate can be adjusted according to the load; the truss type composite material I-beam structure is of an integral structure and is formed in one step through a composite material process die pressing process. The utility model has the advantages of as follows: the whole body is made of composite materials, and the specific strength is higher; the truss structure enables the stability of the I-beam to be better; the designability of the truss structure is strong; the split composite material I-beam is formed by one-step curing, so that the problem of low connection strength between the edge strip and the web plate caused by glue joint of the split composite material I-beam obtained by the existing manufacturing method is solved; the web plate of the I-beam can be thinner due to the truss structure, the thicknesses of the upper and lower edge strips can be of a gradual change structure, and a part of unnecessary structures are reduced, so that the integral I-beam can achieve a weight reduction effect; the bulk strength is higher, and the structure is more stable, and weight is lighter.
Description
Technical Field
The utility model belongs to the composite material field especially relates to a truss-like I-beam structure and be used for preparing this I-beam structure's mould.
Background
The existing common metal I-beam structure has heavy weight and single structure, can not be structurally modified according to actual load requirements, and is easy to destabilize structurally.
At present, the traditional manufacturing method of the composite material I-beam is to respectively solidify the edge strip and the web plate and then obtain the composite material I-beam through glue joint. The I-beam is easy to break at the interface because of insufficient adhesive strength.
The I-beam obtained by the existing preparation method for integrally forming the composite material I-beam has poor stability and strength, and is difficult to realize weight reduction. With the development of technology, great progress has been made in designing and manufacturing high performance composite materials, regardless of the needs of aerospace manufacturing and other industrial manufacturing. The development of composite material parts is directed towards light weight and high strength, which is also a difficult point and a hot point in the manufacturing aspect of composite materials.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a truss-like combined material I-beam improves traditional I-beam, including upper and lower border strip, middle web, web both sides truss structure, truss structure's distribution, thickness and size are adjustable on the web, designability is strong, not only can solve split type combined material I-beam because of splicing the low scheduling problem of joint strength who causes, can also make truss-like combined material I-beam lightweight more and structural strength and stability are higher.
The invention adopts the following technical scheme for solving the technical problems:
A truss type composite material I-beam structure comprises an upper edge strip, a lower edge strip, a web plate 3 and a truss structure, wherein the upper edge strip, the lower edge strip and the web plate are at right angles, and the truss type composite material I-beam structure is used for enabling the section of the truss type composite material I-beam structure to be in an I-shaped structure.
As a further preferred scheme of truss-like combined material i-beam structure, truss structure's distribution, thickness and size are adjustable on the web.
As a further preferred scheme of the truss-like composite material i-beam structure of the utility model, this truss-like composite material i-beam structure is overall structure, uses the preparation of combined material forming process mould pressing technology, one shot forming.
As a further preferred scheme of the truss-like composite material i-beam structure of the utility model, the truss-like composite material i-beam uses the material to be the composite material.
A mould used for preparing the I-beam structure comprises an upper mould, a lower mould, a left mould and a right mould; wherein, left mould and right mould for structure shaping, go up mould and bed die for upper edge strip and lower edge strip pressurization.
As a further preferred scheme of the mould for preparing this i-beam structure, left side mould and right mould contain the truss groove, the side in truss groove is the truss groove cross-section.
As a further preferred scheme of the mould for preparing this i-beam structure still contains the fibre cloth stromatolite, and the fibre cloth stromatolite that contains is laid in the truss inslot.
As a further preferred scheme of the mould for preparing this I-beam structure, the material of going up mould (5), bed die, left mould and right mould is the steel.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects:
1. The truss-type I-beam structure and the die for preparing the I-beam structure have higher specific strength; the truss structure on the web plate enables the web plate of the I-beam to be thinner and lighter, and meanwhile, the stability of the I-beam is improved;
2. The truss structure of the truss type composite material I-beam can adjust the shape, size and distribution of the truss type composite material I-beam according to different stress conditions, so that the truss type composite material I-beam is more stable and reasonable under different stress loads and has stronger designability;
3. A truss-like I-beam structure and be used for preparing this I-beam structure's mould is overall structure, adopts the co-curing shaping, has overcome split type combined material I-beam that current manufacturing approach obtained and need not split type the splicing because of splicing the problem that joint strength is low between the border that leads to the fact and the web, and the structure is more stable.
Drawings
Fig. 1 is a schematic view of a truss-type i-beam structure and a mold for manufacturing the i-beam structure according to the present invention;
FIG. 2 is a schematic view of the forming of the whole mold and the truss-like composite I-beam of the present invention;
FIG. 3 is a front view of the left and right molds of the present invention;
Wherein: 1-upper edge strip; 2-lower edge strip; 3-a web; 4-truss structure; 5, mounting a mold; 6-lower mould; 7-left mould; 8-right mould; 9-truss groove cross section; 10-fiber cloth lamination; 11-truss trough.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, a schematic diagram of a truss-type i-beam structure and a mold for preparing the same is shown, and a conventional i-beam is improved, and the truss-type i-beam structure comprises an upper edge strip 1, a lower edge strip 2, a web 3 and a truss structure 4, wherein the distribution, thickness and size of the truss structure on the web are adjustable, and the designability is high. The split composite I-beam can solve the problems of low connection strength and the like caused by glue joint, and the truss composite I-beam is lighter and higher in structural strength and stability.
The I-beam structure is prepared by adopting a composite material, is prepared by adopting a composite material forming process and a mould pressing process, and is formed by adopting co-curing. Fig. 2 is a schematic cross-sectional view of a mold and a truss-type composite i-beam molding, wherein the mold is composed of 4 molds, namely an upper mold 5, a lower mold 6, a left mold 7 and a right mold 8; wherein the 3 and 4 moulds comprise truss grooves for laying truss structures on the web plates, the left mould 7 and the right mould 8 are used for structure forming, and the upper mould 5 and the lower mould 6 are used for pressurizing the upper and lower edge strips; the whole I-beam is formed by co-curing. Fig. 3 is a front view of the left and right molds, including the truss channel 11. The I-beam is formed in one step by thermal curing after prepreg is laid on a combined die.
The utility model discloses in, truss-like I-beam is an integral structure, and the fibre between this kind of method preparation flange that obtains truss-like I-beam and the web is continuous, not only can solve split type combined material I-beam because of the joint strength low grade problem that splices and cause, can also make truss-like combined material I-beam lightweight more and structural strength and stability are higher. Due to the fact that the truss structure is arranged at the web plate, the I-beam with different stress conditions can be subjected to stress analysis, the truss structure is correspondingly designed and arranged, and designability and structural efficiency of the I-beam are improved.
Claims (8)
1. The utility model provides a truss-like combined material I-beam structure which characterized in that: the truss type composite material I-beam structure comprises an upper edge strip (1), a lower edge strip (2), a web plate (3) and a truss structure (4), wherein the upper edge strip (1), the lower edge strip (2) and the web plate (3) form a right angle, and the cross section of the truss type composite material I-beam structure is of an I-shaped structure.
2. A truss-like composite i-beam structure as defined in claim 1 wherein: the distribution, thickness and size of the truss structure on the web plate (3) are adjustable.
3. A truss-like composite i-beam structure as defined in claim 1 wherein: the truss type composite material I-beam structure is of an integral structure, and is prepared by a composite material forming process through a die pressing process and is formed in one step.
4. A truss-like composite i-beam structure as defined in claim 1 wherein: the truss type composite I-beam is made of composite materials.
5. A mould for making an I-beam structure according to any one of claims 1 to 4, wherein: the process die comprises an upper die (5), a lower die (6), a left die (7) and a right die (8);
Wherein, left mould (7) and right mould (8) are used for structure shaping, go up mould (5) and bed die (6) for upper edge strip and lower edge strip pressurization.
6. The mold of claim 5, wherein: the left die (7) and the right die (8) comprise truss grooves (11), and the side faces of the truss grooves (11) are truss groove sections (9).
7. The mold of claim 6, wherein: also comprises a fiber cloth lamination (10), and the fiber cloth lamination (10) is laid in the truss groove (11).
8. Mould according to claim 5, characterized in that the material of the upper mould (5), the lower mould (6), the left mould (7) and the right mould (8) is steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429698.3U CN211114412U (en) | 2019-08-30 | 2019-08-30 | Truss type I-beam structure and mold for preparing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429698.3U CN211114412U (en) | 2019-08-30 | 2019-08-30 | Truss type I-beam structure and mold for preparing same |
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| Publication Number | Publication Date |
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| CN211114412U true CN211114412U (en) | 2020-07-28 |
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| CN201921429698.3U Active CN211114412U (en) | 2019-08-30 | 2019-08-30 | Truss type I-beam structure and mold for preparing same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454515A (en) * | 2022-02-08 | 2022-05-10 | 广东汇天航空航天科技有限公司 | Forming method of composite beam body structure, beam body structure and forming tool |
-
2019
- 2019-08-30 CN CN201921429698.3U patent/CN211114412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454515A (en) * | 2022-02-08 | 2022-05-10 | 广东汇天航空航天科技有限公司 | Forming method of composite beam body structure, beam body structure and forming tool |
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