CN212422242U - Composite material forming device with I-shaped cross section cross structure - Google Patents
Composite material forming device with I-shaped cross section cross structure Download PDFInfo
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- CN212422242U CN212422242U CN202021390496.5U CN202021390496U CN212422242U CN 212422242 U CN212422242 U CN 212422242U CN 202021390496 U CN202021390496 U CN 202021390496U CN 212422242 U CN212422242 U CN 212422242U
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Abstract
The utility model provides a I shape cross section cross structure's combined material forming device belongs to combined material shaping field. The problem of current I shape cross section crossing structure's combined material work piece be difficult to the shaping is solved. It includes inboard forming mechanism and external mold, inboard forming mechanism includes a plurality of inboard forming unit, and every inboard forming unit all includes mandrel and centre form, the mandrel is the rectangle structure, the centre form sets up around the mandrel to with the mandrel outside is fixed continuous, centre form interconnect in a plurality of inboard forming unit constitutes the intersection structure, the quantity of external mold is two, and two external molds set up respectively at forming mechanism's top surface and bottom surface. The method is mainly used for forming the composite material workpiece with the cross structure of the I-shaped section.
Description
Technical Field
The utility model belongs to combined material shaping field especially relates to a I shape cross section cross structure's combined material forming device.
Background
The composite material workpiece with the cross structure of the I-shaped section consists of a composite material longitudinal rib and transverse rib cross structure, wherein the longitudinal rib and the transverse rib are I-shaped sections and consist of an upper panel, a lower panel and a web plate. As shown in fig. 8, the conventional forming apparatus and the conventional forming method are used to form the inner and outer sides of the product in a surrounding manner, and the upper and lower surfaces are formed separately, so that the side surface and the surface are not continuous with fibers and are connected only by interfacial adhesion.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem among the prior art, provide a I shape cross-section cross structure's combined material forming device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a I shape cross section cross structure's combined material forming device, it includes inboard forming mechanism and external mold, inboard forming mechanism includes a plurality of inboard shaping units, and every inboard shaping unit all includes mandrel and centre form, the mandrel is the rectangle structure, the centre form sets up around the mandrel to with the mandrel outside is fixed continuous, centre form interconnect in a plurality of inboard shaping units constitutes the intersection structure, the quantity of external mold is two, and two external molds set up respectively at forming mechanism's top surface and bottom surface.
Furthermore, the inner die is of a strip-shaped rectangular structure.
Furthermore, the number of the inner molds in each inner side forming unit is four, and the four inner molds are sequentially connected with each other and arranged around the core mold and fixedly connected with the outer side of the core mold.
Furthermore, the inner die and the core die are fixedly connected through the pin holes and the threaded holes.
Further, the core mold has a circular rectangular structure.
Furthermore, the shape of the outer die is the same as the cross section shape of the inner forming mechanism.
The utility model also provides a I shape cross section cross structure's combined material forming method, it includes following step:
the method comprises the following steps: the composite material is arranged on the outer side of the inner die according to the shape of the inner die, so that the continuity of the fiber is ensured;
step two: after the composite material on the outer side of the inner mold is molded, the inner mold is connected with the core mold to form an inner side molding unit;
step three: connecting the inner molds in the inner molding units with each other to form an inner molding mechanism with a cross structure, and molding the inner sides of an upper panel, a lower panel and a web plate of the I-shaped section;
step four: forming the outer side surfaces of the upper surface and the lower surface of the I-shaped section to ensure that the outer side fibers of the upper surface and the lower surface of the I-shaped section are continuous;
step five: and (3) applying pressure to the upper surface and the lower surface of the inner side forming mechanism by using an outer die to ensure the structural size.
Still further, the composite material is comprised of reinforcing fibers and a matrix material.
Still further, the reinforcing fibers comprise a carbon fiber fabric, a glass fiber fabric or a basalt fiber fabric, and the matrix material comprises an epoxy thermosetting resin, a polyester thermosetting resin or a phenolic thermosetting resin.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a current I shape cross section cross structure's combined material work piece be difficult to fashioned problem. The product workpiece structure is an I-shaped cross section longitudinal and transverse rib cross structure, the web plate of the I-shaped cross section effectively improves the section inertia moment of the single structure, the rigidity of the whole structure is guaranteed, the composite material single structure adopts split die forming and co-curing technology, the fiber continuity is good, the whole structure is guaranteed to have good bearing capacity, the forming device belongs to a modular structure, and the number of the inner side forming units can be determined according to the size of the product. The workpiece is suitable for composite material structures of aerospace, aviation, traffic and the like, has high strength, convenient forming, high bearing capacity and good rigidity, and is suitable for the use of a main bearing structure of the composite material.
Drawings
Fig. 1 is a schematic structural view of an inner side forming mechanism of a composite material forming device with an i-shaped cross section structure according to the present invention;
fig. 2 is a schematic structural view of an outer mold of a composite material molding device with an i-shaped cross section structure according to the present invention;
fig. 3 is a schematic diagram of a first step of the method for forming a composite material with an i-shaped cross section structure according to the present invention;
fig. 4 is a schematic diagram of a second step of the method for forming a composite material with an i-shaped cross section structure according to the present invention;
fig. 5 is a schematic diagram of a third step of the method for forming a composite material with an i-shaped cross section structure according to the present invention;
fig. 6 is a schematic diagram of a fourth step of the method for forming a composite material with an i-shaped cross section structure according to the present invention;
fig. 7 is a schematic diagram illustrating a fifth step of a method for forming a composite material with an i-shaped cross section structure according to the present invention;
fig. 8 is a schematic top view of the workpiece with the cross-section of the i-shaped cross structure according to the present invention;
fig. 9 is a schematic view of a cross-sectional structure of a workpiece with an i-shaped cross section according to the present invention.
2-core mould, 3-inner mould, 4-outer mould, 5-upper panel, 6-web inner side, 7-lower panel, 8-upper surface and 9-lower surface.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely explained below with reference to the drawings in the embodiment of the present invention.
Referring to fig. 1-9 to illustrate the present embodiment, an apparatus for forming a composite material with an i-shaped cross section includes an inner forming mechanism and two outer molds 4, the inner forming mechanism includes a plurality of inner forming units, each inner forming unit includes a core mold 2 and an inner mold 3, the core mold 2 is rectangular, the inner molds 3 are disposed around the core mold 2 and fixedly connected to the outer sides of the core mold 2, the inner molds 3 in the inner forming units are connected to each other to form a cross structure, the number of the outer molds 4 is two, and the two outer molds 4 are disposed on the top surface and the bottom surface of the forming mechanism, respectively.
The centre form 3 of this embodiment is strip rectangle structure, and 3 quantity of centre forms in every inboard shaping unit are four, and four centre forms 3 link to each other in proper order and set up around the mandrel 2 to with the mandrel 2 outside is fixed continuous, centre form 3 and mandrel 2 pass through pinhole and screw hole fixed connection, and mandrel 2 is cyclic annular rectangle structure, and the shape of external mold 4 is the same with inboard forming mechanism cross-sectional shape. The core mold 2 is used for positioning and fixing the inner mold 3, the inner mold 3 is connected and fixed with the corresponding hole positions of the core mold 2 through pin holes and threaded holes, the inner mold 2 is used for forming an upper panel 5, a lower panel 7 and a web plate inner side 6 of an I-shaped section of the composite material longitudinal and transverse rib cross structural unit, after the inner mold 3 is formed, the inner mold 2 is assembled in place, the surface parts of an upper surface 8 and a lower surface 9 of the outer side of the I-shaped section are integrally formed, and the outer mold 4 is used for applying pressure to the upper panel and the lower panel of the I-shaped section to ensure the size of a product.
The embodiment is a method for forming a composite material with an I-shaped cross section cross structure, which comprises the following steps:
the method comprises the following steps: arranging the composite material on the outer side of the inner die 3 according to the shape of the inner die 3 to ensure the continuity of the fiber;
step two: after the composite material on the outer side of the inner mold 3 is molded, the inner mold 3 is connected with the core mold 2 to form an inner side molding unit;
step three: connecting the inner molds 3 in the inner side forming units with each other to form an inner side forming mechanism with a cross structure, and forming an upper panel 5, a lower panel 7 and a web inner side 6 with I-shaped sections;
step four: forming the outer side surfaces of the upper surface 8 and the lower surface 9 of the I-shaped section to ensure that the outer side fibers of the upper surface and the lower surface of the I-shaped section are continuous;
step five: the outer die 4 is used for applying pressure on the surfaces of the upper surface 8 and the lower surface 9 of the inner side forming mechanism to ensure the structural size. Still further, the composite material is comprised of reinforcing fibers and a matrix material.
The composite material consists of reinforced fiber and matrix material, the reinforced fiber includes carbon fiber fabric, glass fiber fabric or basalt fiber fabric, and the matrix material includes epoxy thermosetting resin, polyester thermosetting resin or phenolic thermosetting resin. The process molding can adopt a prepreg laying or hand pasting process for molding.
The above detailed description is made on the composite material forming device with the cross structure of the i-shaped cross section provided by the present invention, and the specific examples are applied herein to explain the principle and the implementation manner of the present invention, and the description of the above examples is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (6)
1. The utility model provides a combined material forming device of I shape cross section crossing structure which characterized in that: it includes inboard forming mechanism and external mold (4), inboard forming mechanism includes a plurality of inboard forming unit, and every inboard forming unit all includes mandrel (2) and centre form (3), mandrel (2) are the rectangle structure, centre form (3) set up around mandrel (2) to it links to each other with mandrel (2) outside is fixed, centre form (3) interconnect in a plurality of inboard forming unit constitutes the intersection structure, the quantity of external mold (4) is two, and two external molds (4) set up respectively at forming mechanism's top surface and bottom surface.
2. The apparatus for forming a composite material having an i-shaped cross-sectional intersection structure according to claim 1, wherein: the inner mold (3) is of a strip-shaped rectangular structure.
3. The apparatus for forming a composite material having an i-shaped cross-sectional intersection structure according to claim 1, wherein: the number of the inner molds (3) in each inner side forming unit is four, and the four inner molds (3) are sequentially connected with each other and arranged around the core mold (2) and fixedly connected with the outer side of the core mold (2).
4. The apparatus for forming a composite material having an i-shaped cross-sectional intersection structure according to claim 1, wherein: the inner die (3) and the core die (2) are fixedly connected through the pin holes and the threaded holes.
5. The apparatus for forming a composite material having an i-shaped cross-sectional intersection structure according to claim 1, wherein: the core mold (2) is of an annular rectangular structure.
6. The apparatus for forming a composite material having an i-shaped cross-sectional intersection structure according to claim 1, wherein: the shape of the outer die (4) is the same as the shape of the cross section of the inner side forming mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021390496.5U CN212422242U (en) | 2020-07-15 | 2020-07-15 | Composite material forming device with I-shaped cross section cross structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021390496.5U CN212422242U (en) | 2020-07-15 | 2020-07-15 | Composite material forming device with I-shaped cross section cross structure |
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| Publication Number | Publication Date |
|---|---|
| CN212422242U true CN212422242U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021390496.5U Active CN212422242U (en) | 2020-07-15 | 2020-07-15 | Composite material forming device with I-shaped cross section cross structure |
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| CN (1) | CN212422242U (en) |
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