CN210062086U - Paving and curing integrated core mold - Google Patents
Paving and curing integrated core mold Download PDFInfo
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- CN210062086U CN210062086U CN201920697655.7U CN201920697655U CN210062086U CN 210062086 U CN210062086 U CN 210062086U CN 201920697655 U CN201920697655 U CN 201920697655U CN 210062086 U CN210062086 U CN 210062086U
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- straight section
- paving
- core mold
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- strengthening rib
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Abstract
The utility model relates to a spread and paste and solidification integral type mandrel, including mandrel body and mould, the mould upper surface is equipped with metal cavity, the mandrel body is including straight section, the both ends of straight section are equipped with first strengthening rib, X type support is connected at straight section middle part, X type supports including intercrossing's support bar, the one end and the straight section of support bar are connected, and the other end is equipped with the second strengthening rib, straight section coincide with the upper surface of mould, the laminating of first strengthening rib and metal cavity's upper end, the laminating of second strengthening rib and metal cavity's lower tip. The utility model discloses spreading and pasting and solidification mandrel of sharing, the lightweight can enough guarantee the support performance when spreading the subsides, can guarantee again to take out easily after the solidification.
Description
Technical Field
The utility model relates to a commercial aircraft spare part technical field, concretely relates to shop pastes and solidification integral type mandrel.
Background
The fuselage wallboard in the wide-body passenger plane is in a hat-shaped stringer ribbed wallboard structure made of composite materials. For the hat-type stringer stiffened panel, a closed space formed by combining uncured or partially cured stringers and skin is required to be used for realizing the pressurization in a hat-type stringer cavity in the processes of skin filament laying support and curing. As shown in fig. 4 and 5, the conventional core mold is a rubber core mold, the paving core mold 4 is used in the skin thread laying stage, the paving core mold 4 is placed in the metal inner cavity 3, and when the thread laying machine passes through, the paving core mold 4 has enough rigidity to maintain the shape, so that the skin thread laying is not deformed; in the part curing stage, the core mold 5 is used for barrel curing, the composite material part is cured under the action of high temperature (190 ℃) and high pressure (0.7 Mpa), and in order to ensure that the thickness of each part of the cured part is uniform and consistent, the inside is fully compacted, and the pressure of a long truss inner cavity is required to be consistent with the external air pressure (0.7 Mpa) as much as possible during curing.
The paving core mould 4 is a stringer with an inner cavity with an inner section contracted by 0.5mm, and a tubular vacuum bag is wrapped outside when the paving core mould is used, so that the paving core mould can be smoothly pulled out after the wire paving is finished. The placement core mold 4 is pulled out and the curing core mold 5 is inserted along the tape. The external casing-shaped vacuum bag, the airlock and the tubular vacuum bag of the curing core mold 5 transmit external air pressure to the stringer inner cavity through the tubular vacuum bag during curing, and the curing core mold 5 only plays a role of supporting the tubular vacuum bag, so that the pressure of the stringer inner cavity is uniform and consistent with the external pressure during part curing.
In order to ensure that the skin does not deform during filament spreading during paving, the size of the core mould 4 for paving is generally consistent with the section of the inner cavity, and the structure can ensure that the size deformation during paving is less, but the core mould is difficult to draw out after paving, particularly in the actual production process, the length of the stringer can reach 20m at most, the weight of a product is very large, the operation is influenced, and the core mould 4 for paving cannot meet the production requirement under the condition of high and low fluctuation. Meanwhile, the core mold 5 for curing needs to be smaller than the core mold 4 for laying in size to ensure good support and convenient taking out, so that different core molds must be used for laying and curing in the scheme.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the aforesaid not enough, provide a shop paste and solidification integral type mandrel, shop paste with solidification common mandrel, can enough guarantee the support performance when shop pastes, can guarantee again to take out easily after the solidification.
The purpose of the utility model is realized like this:
the utility model provides a spread and paste and solidification integral type mandrel, includes mandrel body and mould, the mould upper surface is equipped with metal cavity, the mandrel body is including straight section, the both ends of straight section are equipped with first strengthening rib, straight section middle part is connected X type and is supported, X type supports the support bar including intercrossing, the one end and the straight section of support bar are connected, and the other end is equipped with the second strengthening rib, straight section coincide with the upper surface of mould, the laminating of first strengthening rib and metal cavity's upper end, the laminating of second strengthening rib and metal cavity's lower tip.
Preferably, the straight section, the first reinforcing rib, the supporting bar and the second reinforcing rib are integrally formed by injection molding of thermoplastic plastics.
Preferably, the thermoplastic plastic is PP or PE with the hardness of more than or equal to 30 ShD.
Preferably, the joint of the first reinforcing rib and the metal inner cavity is arc-shaped, and the radius of the arc is 9-10 mm.
Preferably, the joint of the second reinforcing rib and the metal inner cavity is arc-shaped, and the radius of the arc is 5-6 mm.
The utility model has the advantages that:
the utility model discloses spreading and pasting and solidification mandrel of sharing, the lightweight can enough guarantee the support performance when spreading the subsides, can guarantee again to take out easily after the solidification.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of B in fig. 1.
Fig. 4 is a schematic structural view of a core mold for paving at a skin filament paving stage in the prior art.
Fig. 5 is a schematic view of a core mold for curing at a curing stage in the prior art.
Wherein: a straight section 1; 1.1 of a first reinforcing rib; a support strip 2; 2.1 of a second reinforcing rib; a metal inner cavity 3; a core mold 4 for paving; and a curing core mold 5.
Detailed Description
Referring to fig. 1-3, the utility model relates to a paving and solidifying integrated core mold, which comprises a core mold body and a mold, wherein the upper surface of the mold is provided with a metal inner cavity 3, the core mold body comprises a straight section 1, two ends of the straight section 1 are provided with first reinforcing ribs 1.1, the middle part of the straight section 1 is connected with an X-shaped support, the integral strength is ensured, the weight of the core mold is reduced, and the cost is saved; the X-shaped supports comprise supporting strips 2 which are crossed with each other, one ends of the supporting strips 2 are connected with the straight sections 1, the other ends of the supporting strips are provided with second reinforcing ribs 2.1, and the straight sections 1 are matched with the upper surface of the mold to ensure the flatness of the paving; the first reinforcing rib 1.1 is attached to the upper end part of the metal inner cavity 3 to provide supporting force; the second reinforcing ribs 2.1 are attached to the lower end parts of the metal inner cavities 3, and therefore larger supporting force can be provided.
The straight section 1, the first reinforcing rib 1.1, the supporting strip 2 and the second reinforcing rib 2.1 are integrally formed by injection molding of thermoplastic plastics, and the thermoplastic plastics are PP or PE with the hardness of more than or equal to 30ShD, so that deformation is avoided when the structure is laid and attached.
The joint of the first reinforcing rib 1.1 and the metal inner cavity 3 is arc-shaped, the radius of the arc is 9-10mm, the joint of the second reinforcing rib 2.1 and the metal inner cavity 3 is arc-shaped, the radius of the arc is 5-6mm, and the joint is stable.
A use method of a paving and curing integrated core mold comprises the following steps:
step one, wrapping a tubular vacuum bag outside a core mold body, then placing the core mold body into a metal inner cavity, wherein a straight section is flush with the upper surface of a mold, a first reinforcing rib is attached to the upper end part of the metal inner cavity, and a second reinforcing rib is attached to the lower end part of the metal inner cavity;
secondly, paving and pasting the top of the core mold body;
thirdly, curing the whole die at the temperature of 190 ℃ and under the pressure of 0.7 MPa;
and step four, taking out the core mold body which is melted and softened during solidification.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a spread and paste and solidification integral type mandrel, includes mandrel body and mould, the mould upper surface is equipped with metal inner chamber (3), its characterized in that: the mandrel body includes straight section (1), the both ends of straight section (1) are equipped with first strengthening rib (1.1), straight section (1) middle part is connected the X type and is supported, the X type supports support bar (2) including intercrossing, the one end and the straight section (1) of support bar (2) are connected, and the other end is equipped with second strengthening rib (2.1), straight section (1) coincide with the upper surface of mould, the upper end laminating of first strengthening rib (1.1) and metal inner chamber (3), the laminating of second strengthening rib (2.1) and the lower tip of metal inner chamber (3).
2. The paving and curing integrated core mold as claimed in claim 1, wherein: the straight section (1), the first reinforcing rib (1.1), the supporting bar (2) and the second reinforcing rib (2.1) are integrally formed by injection molding of thermoplastic plastics.
3. The paving and curing integrated core mold as claimed in claim 2, wherein: the thermoplastic plastic is PP or PE with the hardness of more than or equal to 30 ShD.
4. The paving and curing integrated core mold as claimed in claim 1, wherein: the joint of the first reinforcing rib (1.1) and the metal inner cavity (3) is arc-shaped, and the radius of the arc is 9-10 mm.
5. The paving and curing integrated core mold as claimed in claim 4, wherein: the joint of the second reinforcing rib (2.1) and the metal inner cavity (3) is arc-shaped, and the radius of the arc is 5-6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697655.7U CN210062086U (en) | 2019-05-16 | 2019-05-16 | Paving and curing integrated core mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697655.7U CN210062086U (en) | 2019-05-16 | 2019-05-16 | Paving and curing integrated core mold |
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| Publication Number | Publication Date |
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| CN210062086U true CN210062086U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920697655.7U Active CN210062086U (en) | 2019-05-16 | 2019-05-16 | Paving and curing integrated core mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142985A (en) * | 2019-05-16 | 2019-08-20 | 江阴海达橡塑股份有限公司 | A kind of paving and solidification integral type core model and its application method |
-
2019
- 2019-05-16 CN CN201920697655.7U patent/CN210062086U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142985A (en) * | 2019-05-16 | 2019-08-20 | 江阴海达橡塑股份有限公司 | A kind of paving and solidification integral type core model and its application method |
| CN110142985B (en) * | 2019-05-16 | 2024-04-19 | 江阴海达橡塑股份有限公司 | Paving and curing integrated core mold and application method thereof |
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