CN212472507U - Mould suitable for fiber reinforced composite material with complex special-shaped hollow closed structure - Google Patents
Mould suitable for fiber reinforced composite material with complex special-shaped hollow closed structure Download PDFInfo
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- CN212472507U CN212472507U CN202020806544.8U CN202020806544U CN212472507U CN 212472507 U CN212472507 U CN 212472507U CN 202020806544 U CN202020806544 U CN 202020806544U CN 212472507 U CN212472507 U CN 212472507U
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Abstract
The utility model relates to a mould suitable for complicated abnormal shape cavity enclosed construction fibre reinforced composite. The prior art is lack of a mould of a composite material part, the composite material is difficult to form, demould and assemble, and the assembly precision is difficult to ensure. The utility model relates to a mould suitable for complicated heterotypic cavity enclosed construction fibre reinforced composite, wherein: the water-soluble mould block is bonded with the metal embedded part through water-soluble glue, the water-soluble mould block is respectively fixed with the lower mould through a positioning hole and a positioning pin, and a cavity formed by the upper mould, the lower mould, the side mould and the water-soluble mould block is a composite material cavity and is used for forming a complex special-shaped hollow closed structure fiber reinforced composite material. The device has the advantages that: the threaded holes required by assembly are provided through the metal embedded parts, so that the metal embedded parts can be accurately positioned, the assembly precision is ensured, and the composite material can be effectively prevented from being separated from the outer wall of the metal shaft sleeve by arranging the grid ribs.
Description
Technical Field
The utility model belongs to the technical field of the combined material shaping technique and specifically relates to a mould suitable for complicated heterotypic cavity enclosed construction fibre reinforced composite.
Background
The prior art lacks some molds for composite material parts with high requirements on precision, and meanwhile, the hollow closed structure also brings great challenges to the molding, demolding and assembling of the composite material; meanwhile, as the product is a complex special-shaped closed structure, and does not have enough space for assembly, the assembly precision is ensured, and therefore, a mold suitable for the complex special-shaped hollow closed structure fiber reinforced composite material is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at overcoming the not enough of prior art, the utility model provides a mould suitable for complicated heterotypic cavity enclosed construction fibre reinforced composite solves above-mentioned problem.
(II) technical scheme
The technical scheme of the utility model: a mould suitable for a fiber reinforced composite material with a complex special-shaped hollow closed structure comprises a water-soluble mould block, a metal shaft sleeve, a metal embedded part, an upper mould of the mould, a lower mould of the mould, a side mould of the mould, a positioning bolt and a composite material cavity; wherein: the water-soluble die block is characterized in that a groove matched with the metal embedded part is formed in the edge of the water-soluble die block, the water-soluble die block is bonded with the metal embedded part through water-soluble glue, the lower die of the die is connected with the metal shaft sleeve through a bottom positioning bolt, grid ribs are arranged on the outer wall of the metal shaft sleeve and form a quadrilateral groove, the four edges of the groove are widened along the depth direction to prevent the composite material from being separated, the water-soluble die block is fixed with the lower die of the die through a positioning hole and a positioning pin respectively, the upper die of the die, the lower die of the die and the side die of the die are fixedly connected through the positioning pin and the bolt sequentially, and the upper die of the die, the.
A mould suitable for use with a complex profiled hollow closed structure fibre reinforced composite material, wherein: the surface of the groove of the water-soluble mould block is coated with a release agent.
A mould suitable for use with a complex profiled hollow closed structure fibre reinforced composite material, wherein: and a layer of flexible material film is adhered to the surface of the metal embedded part.
(III) advantageous effects
The utility model has the advantages that: the upper die, the lower die, the side die and the water-soluble die block of the die are utilized to form a composite material cavity, so that the problem of forming the complex special-shaped hollow composite material is effectively solved; the threaded hole required by assembly is provided by the metal embedded part, so that the metal embedded part can be accurately positioned, and the assembly precision is ensured; the water-soluble mould can be used for well solving the demoulding problem of the hollow structure, and the grid ribs are arranged on the outer wall of the metal shaft sleeve to effectively prevent the composite material from being separated.
Drawings
Fig. 1 is a top view of the water-soluble mold block of the present invention.
Fig. 2 is a structural sectional view of the present invention.
Fig. 3 is a side view of the grid rib member of the present invention.
Fig. 4 is a cross-sectional view of a grid rib member a-a of the present invention.
Reference numerals: the water-soluble die comprises a water-soluble die block 1, a metal shaft sleeve 2, a metal embedded part 3, an upper die 4, a lower die 5, a side die 6, a positioning bolt 7, a composite material cavity 8 and grid ribs 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Specifically, the surface of the groove of the water-soluble mold block 1 is coated with a mold release agent, so that the demolding is convenient.
Specifically, the metal embedded part 3 provides a threaded hole with assembly requirements, and a layer of flexible material film is attached to the surface of the threaded hole, so that the phenomenon of delamination or cracking caused by different thermal expansion coefficients or inconsistent deformation of a metal material and a composite material due to temperature or local stress is avoided.
In the embodiment 2 and referring to fig. 1, a mold suitable for a fiber reinforced composite material with a complex irregular hollow closed structure is disclosed, wherein a water-soluble mold block 1 is firstly pressed into a large block and then machined into various required shapes. The rest is the same as example 1.
Example 3, please refer to fig. 1, a mold suitable for a fiber reinforced composite material with a complex irregular hollow closed structure, wherein: the metal embedded part is positioned by using the outer edge of the metal part higher than the surface of the composite material instead of the positioning bolt, and if a threaded hole is needed, the threaded hole can be marked according to the position and drilled on the molded composite material. The rest is the same as example 1.
The working principle is as follows:
processing a water-soluble mould block 1 through a digital model, grooving, coating a layer or a base release agent on the contact surface of the water-soluble mould block 1, carrying out sand blasting treatment on a metal embedded part 3, pasting a layer of flexible material on the contact surface of the metal embedded part and a composite material, then bonding the water-soluble mould block 1 and the metal embedded part 3 by using water-soluble glue solution, drying, checking and repairing the external dimension of a dried mould split until the requirement of the product dimension is met, then grouping the water-soluble mould blocks 1, and then forming the water-soluble mould blocks one by one, wherein each group is positioned by a positioning bolt on a forming mould, so that the accuracy of the relative position of each group of holes is ensured, then assembling the water-soluble mould blocks 1, carrying out integral forming, and ensuring the continuity of fiber laying according to the laying angle.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A mold suitable for a fiber reinforced composite material with a complex special-shaped hollow closed structure comprises a water-soluble mold block (1), a metal shaft sleeve (2), a metal embedded part (3), an upper mold (4), a lower mold (5), a side mold (6), a positioning bolt (7) and a composite material cavity (8); the method is characterized in that: the edge of the water-soluble mould block (1) is provided with a groove matched with the metal embedded part (3), the water-soluble mould block (1) is bonded with the metal embedded part (3) through water-soluble glue, the lower mould (5) is connected with the metal shaft sleeve (2) through a bottom positioning bolt, the outer wall of the metal shaft sleeve (2) is provided with a grid rib (9), the grid rib (9) forms a quadrilateral groove, the four edges of the groove are widened along the depth direction to prevent the composite material from being separated, the water-soluble mould block (1) is respectively fixed with the lower mould (5) through a positioning hole and a positioning pin, the upper mould (4), the lower mould (5) and the side mould (6) are fixedly connected through the positioning pin and the bolt in turn, the upper mould (, the lower die (5), the side die (6) and the water-soluble die block (1) form a composite material cavity (8) for molding the complex special-shaped hollow closed-structure fiber reinforced composite material.
2. The mold suitable for the fiber reinforced composite material with the complicated special-shaped hollow closed structure as claimed in claim 1, wherein: the surface of the groove of the water-soluble mould block (1) is coated with a release agent.
3. The mold suitable for the fiber reinforced composite material with the complicated special-shaped hollow closed structure as claimed in claim 1, wherein: and a layer of flexible material film is adhered to the surface of the metal embedded part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020806544.8U CN212472507U (en) | 2020-05-15 | 2020-05-15 | Mould suitable for fiber reinforced composite material with complex special-shaped hollow closed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020806544.8U CN212472507U (en) | 2020-05-15 | 2020-05-15 | Mould suitable for fiber reinforced composite material with complex special-shaped hollow closed structure |
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| CN212472507U true CN212472507U (en) | 2021-02-05 |
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| CN202020806544.8U Active CN212472507U (en) | 2020-05-15 | 2020-05-15 | Mould suitable for fiber reinforced composite material with complex special-shaped hollow closed structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910637A (en) * | 2021-10-11 | 2022-01-11 | 航天特种材料及工艺技术研究所 | Forming method of composite material complex special-shaped air inlet channel |
| CN114311771A (en) * | 2021-12-22 | 2022-04-12 | 长春长光宇航复合材料有限公司 | 3D (three-dimensional) closed cavity frame structure and forming preparation method thereof |
| CN114986946A (en) * | 2022-04-22 | 2022-09-02 | 哈尔滨玻璃钢研究院有限公司 | Cross-shaped double-concave cracking groove die cavity and assembling method thereof |
-
2020
- 2020-05-15 CN CN202020806544.8U patent/CN212472507U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910637A (en) * | 2021-10-11 | 2022-01-11 | 航天特种材料及工艺技术研究所 | Forming method of composite material complex special-shaped air inlet channel |
| CN113910637B (en) * | 2021-10-11 | 2023-04-11 | 航天特种材料及工艺技术研究所 | Forming method of composite material complex special-shaped air inlet channel |
| CN114311771A (en) * | 2021-12-22 | 2022-04-12 | 长春长光宇航复合材料有限公司 | 3D (three-dimensional) closed cavity frame structure and forming preparation method thereof |
| CN114311771B (en) * | 2021-12-22 | 2023-06-23 | 长春长光宇航复合材料有限公司 | 3D (three-dimensional) closed cavity frame structure and forming preparation method thereof |
| CN114986946A (en) * | 2022-04-22 | 2022-09-02 | 哈尔滨玻璃钢研究院有限公司 | Cross-shaped double-concave cracking groove die cavity and assembling method thereof |
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