CN218948479U

CN218948479U - Integrated forming die for multi-cavity section bearing member

Info

Publication number: CN218948479U
Application number: CN202222893240.1U
Authority: CN
Inventors: 高双全; 魏庆龙; 王师明; 李芳宇; 胡涛; 胡徐洋; 鲁光涛; 羿昌斌
Original assignee: Lingyun Yichang Aviation Equipment Engineering Co ltd; Lingyun Science and Technology Group Co Ltd
Current assignee: Lingyun Yichang Aviation Equipment Engineering Co ltd; Lingyun Science and Technology Group Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-05-02
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to an integral forming die for a multi-cavity section bearing member, which comprises a bearing table, a pair of oppositely arranged longitudinal parts, a pair of oppositely arranged transverse parts, a plurality of core die assemblies and a bearing plate, wherein the longitudinal parts and the transverse parts are detachably arranged on the bearing table, the bearing plate is detachably arranged on the longitudinal parts and the transverse parts, the bearing table, the longitudinal parts and the transverse parts surround to form a closed space, the core die assemblies are arranged in the forming space and are mutually fixed with the transverse parts at intervals, and the forming space with the same shape as a product is formed among the bearing table, the longitudinal parts, the transverse parts and the core die assemblies. The mandrel component is used for forming two ends of a multi-cavity product, so that the multi-cavity section bearing member is integrally formed, only one die device and one-step forming are needed, the production cost is effectively reduced, and the production efficiency is improved; and because the product is one-step formed, the strength of the product is higher than that of the spliced product in the prior art.

Description

Integrated forming die for multi-cavity section bearing member

Technical Field

The utility model relates to the technical field of aircraft part manufacturing, in particular to an integrated forming die for a multi-cavity section bearing member.

Background

The transition bridge deck of the cargo hold of a certain conveyor is of a carbon fiber bearing plate structure, carbon fiber prepregs are paved by using a die and then fed into an autoclave for heating, pressurizing and solidifying to form, the cross section of the transition bridge deck is of a multi-cavity complex structure, the overall dimension is large, the overall bearing capacity and the strength requirements are high, the inner molded surfaces of two ends of the transition bridge deck are butt joint mounting surfaces, and the dimensional accuracy requirements are high.

The existing manufacturing method is that the product is divided into a plurality of units according to each inner cavity and the upper and lower panels, each unit is paved and solidified and formed by a mould one by one, and then each preformed unit is spliced and combined together by the mould.

But it has the following problems: each part is formed separately, so that the forming process is multiple, the forming process is complex, the number of matched dies is large, and the production cost is high; and because each part is formed separately and then assembled into a whole, the overall strength of the product is low.

Disclosure of Invention

In view of the foregoing, it is necessary to provide an integral molding die for a multi-cavity cross-section load-bearing member, which is used for solving the problem that the multi-cavity cross-section load-bearing member cannot be integrally molded in the prior art.

In order to solve the technical problems, the utility model provides an integrated forming die for a multi-cavity section bearing member, which comprises: the bearing table comprises a bearing table body, a pair of oppositely arranged longitudinal parts, a pair of oppositely arranged transverse parts, a plurality of core mold assemblies and a bearing plate, wherein the longitudinal parts, the transverse parts are detachably arranged on the bearing table body, the bearing plate is detachably arranged on the longitudinal parts and the transverse parts, the bearing table body, the longitudinal parts and the transverse parts surround to form a closed space, the core mold assemblies are arranged in the closed space and are mutually spaced and fixed with the transverse parts, and a forming space with the same shape as a product is formed between the bearing table body, the longitudinal parts, the transverse parts and the core mold assemblies.

Preferably, the transverse component comprises a stop body and a connecting piece, wherein the stop body is connected with the bearing table along the vertical direction, and the connecting piece is connected with the stop body and the bearing plate, so that the stop body and the bearing plate are relatively fixed.

Preferably, the connecting piece comprises a connecting piece and a connecting bolt, two ends of the connecting piece are respectively arranged at the stop block body and the bearing plate in a crossing mode, and the connecting bolt penetrates through two ends of the connecting piece and is embedded in the stop block body or the bearing plate, so that two ends of the connecting piece are respectively fixed with the stop block body and the bearing plate.

Preferably, the connecting piece further comprises a silica gel pad, the silica gel pad is arranged between the connecting piece and the stop block body, and the connecting bolt penetrates through the silica gel pad.

Preferably, the device further comprises a plurality of high-temperature-resistant silica gel plates, wherein the high-temperature-resistant silica gel plates are arranged between the transverse component and the bearing table and between the longitudinal component and the bearing table.

Preferably, the core module includes a core module body and a fixing member, the core module body is disposed in the molding space, and the fixing member is detachably connected to the core module body and the transverse member, so that the core module body and the transverse member are relatively fixed.

Preferably, a plurality of connecting holes are formed in the stop block body, a fixed blind hole is formed in the core die body, the fixing piece comprises a locating pin and a spanner rod, one end of the locating pin penetrates through the connecting hole and is embedded into the fixed blind hole, a penetrating through hole is formed in the other end of the locating pin, and the spanner rod penetrates through the penetrating through hole.

Preferably, the core die body is also provided with a demolding screw hole which is convenient for demolding and a lightening hole which lightens the weight of the core die body.

Preferably, the bearing table comprises a moving frame and a bearing plate, wherein rollers are arranged at the bottom of the moving frame, and the bearing plate is fixed at the top of the moving frame along the horizontal direction.

Preferably, the bearing table further comprises a demolding top block, a containing groove matched with the demolding top block is formed in the bearing plate, and a top hole penetrating through the bearing plate is formed in the bottom of the containing groove.

The utility model provides an integrated forming die for a multi-cavity section bearing member, which comprises a bearing table, a pair of oppositely arranged longitudinal parts, a pair of oppositely arranged transverse parts, a plurality of core die assemblies and a bearing plate, wherein forming spaces with the same shape as a product are formed among the bearing table, the longitudinal parts, the transverse parts and the core die assemblies. The core mould assembly is used for forming two ends of a multi-cavity product, so that the multi-cavity section bearing member is integrally formed, only one mould device and one-step forming are needed, the production cost is effectively reduced, and the production efficiency is improved; and because the product is one-step formed, the strength of the product is higher than that of the spliced product in the prior art.

The foregoing description is only an overview of the present utility model, and is intended to provide a more thorough understanding of the present utility model, and is to be accorded the full scope of the present utility model.

Drawings

FIG. 1 is a schematic structural view of an integrated molding die for a multi-cavity cross-section load bearing member according to the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 with the load bearing plate removed;

FIG. 3 is an enlarged schematic view of the cross member of FIG. 2;

FIG. 4 is a schematic view of the structure of FIG. 3 with the cross member removed;

FIG. 5 is a schematic view of the cross member of FIG. 3;

FIG. 6 is an exploded view of the stripper top of FIG. 2;

in the figure: the device comprises a bearing table 1, a moving frame 11, a roller 111, a bearing plate 12, a lifting ring 121, a holding groove 122, a top hole 123, a demoulding top block 13, a longitudinal part 2, a first part 21, a second part 22, a transverse part 3, a stop block body 31, a connecting hole 311, a connecting piece 32, a connecting piece 321, a connecting bolt 322, a silica gel gasket 323, a core module 4, a core module 41, a core module 411, a fixing blind hole 412, a demoulding screw hole 413, a lightening hole 42, a fixing piece 421, a locating pin 421a, a through hole 422, a spanner rod 5, a bearing plate 6, a high temperature resistant silica gel plate 7 and an arc-shaped pressing block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

It is noted that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, this embodiment discloses an integral molding die for a multi-cavity cross-section load-bearing member, which includes: the bearing table comprises a bearing table 1, a pair of oppositely arranged longitudinal parts 2, a pair of oppositely arranged transverse parts 3, a plurality of core mold assemblies 4 and a bearing plate 5, wherein the longitudinal parts 2 and the transverse parts 3 are detachably arranged on the bearing table 1, the bearing plate 5 is detachably arranged on the longitudinal parts 2 and the transverse parts 3, the bearing table 1, the longitudinal parts 2 and the transverse parts 3 surround to form an enclosed space, the core mold assemblies 4 are arranged in the enclosed space and are fixed with the transverse parts 3 at intervals, and a molding space with the same shape as a product is formed between the bearing table 1, the longitudinal parts 2, the transverse parts 3 and the core mold assemblies 4.

In actual use, the carbon fiber prepreg is cut and fed according to the process requirement, the core module 4 and the mold surface are respectively paved layer by layer, the core module 4 and the transverse component 3 are positioned through pins and screws, a vacuum bag film is integrally manufactured on the mold, a vacuum nozzle is arranged for vacuum pumping and compaction, and the mold and the product are integrally heated, pressurized, solidified and formed in an autoclave; after the manufacture, the longitudinal component 2 and the transverse component 3 are disassembled, and the core mould component 4 is removed from the product, so that the multi-cavity section bearing component meeting the requirements is obtained.

The utility model provides an integrated forming die for a multi-cavity section bearing member, which comprises a bearing table 1, a pair of oppositely arranged longitudinal parts 2, a pair of oppositely arranged transverse parts 3, a plurality of core die assemblies 4 and a bearing plate 5, wherein the longitudinal parts 2 and the transverse parts 3 are detachably arranged on the bearing table 1, the bearing plate 5 is detachably arranged on the longitudinal parts 2 and the transverse parts 3, the bearing table 1, the longitudinal parts 2 and the transverse parts 3 surround to form a forming space, the core die assemblies 4 are arranged in the forming space and are fixed with the transverse parts 3 at intervals, and a forming gap is formed between the core die assemblies 4. The core mould assembly 4 is used for forming two ends of a multi-cavity product, so that the multi-cavity section bearing member is integrally formed, only one mould device and one-step forming are needed, the production cost is effectively reduced, and the production efficiency is improved; and because the product is one-step formed, the strength of the product is higher than that of the spliced product in the prior art.

Specifically, as shown in fig. 2, the carrying platform 1 includes a moving frame 11 and a carrying board 12, the bottom of the moving frame 11 is provided with rollers 111, and the carrying board 12 is fixed on the top of the moving frame 11 along the horizontal direction. The longitudinal parts 2, the transverse parts 3 are detachably arranged on the carrier plate 12. When in use, the bearing table 1 can be pushed to move to a designated position to perform product forming.

Further, the surface of the bearing plate 12 is provided with plate surface anti-slip lines for forming the groove profile.

Further, a plurality of hanging rings 121 are detachably arranged at the corners of the bearing plate 12. And other equipment is convenient for hoisting and moving the die.

Further, as shown in fig. 2 and 6, the carrying platform 1 further includes a demolding top block 13, the carrying plate 12 is provided with a receiving groove 122 matched with the demolding top block 13, and a top hole 123 penetrating through the carrying plate 12 is formed at the bottom of the receiving groove 122. When in use, the demolding ejector 13 is embedded in the accommodating groove 122, and when demolding is to be performed, the ejector pin is extended into the ejector hole 123 to push the demolding ejector 13, so that the demolding ejector 13 pushes the product to be separated from the bearing plate 12.

Further, as shown in fig. 4, the cross section of the longitudinal component 2 is L-shaped, the longitudinal component 2 includes a first portion 21 disposed horizontally and a second portion 22 disposed vertically, the second portion 22 is fixed to the edge of the first portion 21, the first portion 21 is detachably connected to the carrying platform 1, and the second portion 22 is detachably connected to the bearing plate 5. The purpose of this arrangement is to increase the contact area between the longitudinal member 2 and the carrying platform 1, so that the longitudinal member 2 and the carrying platform 1 can be stably connected.

Specifically, as shown in fig. 3 and 5, the transverse member 3 includes a block body 31 and a connecting member 32, where the block body 31 is connected to the carrying platform 1 along a vertical direction, and the connecting member 32 is connected to the block body 31 and the bearing plate 5, so that the block body 31 and the bearing plate 5 are relatively fixed.

Further, the stopper body 31 is provided with a plurality of connection holes 311, and the core module 4 is fixed to the stopper body 31 through the connection holes 311.

Further, the connecting piece 32 includes a connecting piece 321 and a connecting bolt 322, two ends of the connecting piece 321 are respectively arranged at the stop block body 31 and the bearing plate 5 in a straddling manner, and the connecting bolt 322 is arranged at two ends of the connecting piece 321 in a penetrating manner and is embedded in the stop block body 31 or the bearing plate 5, so that two ends of the connecting piece 321 are respectively fixed with the stop block body 31 and the bearing plate 5.

Further, the connecting piece 32 further includes a silica gel pad 323, the silica gel pad 323 is disposed between the connecting piece 321 and the stop block body 31, and the connecting bolt 322 is disposed through the silica gel pad 323. The purpose of setting up silica gel gasket 323 is that shutoff connecting bolt 322 and the clearance between the bolt hole can promote the gas tightness, avoids appearing the condition of gas leakage when the shaping product takes place the evacuation.

In addition, the embodiment further comprises a plurality of high temperature resistant silica gel plates 6, wherein the high temperature resistant silica gel plates 6 are arranged between the transverse component 3 and the bearing table 1 and between the longitudinal component 2 and the bearing table 1, and the high temperature resistant silica gel plates 6 have certain elasticity and compression amount, and can be well suitable for the whole downward pressurizing movement and compaction in the process of pressing the prepreg ply downwards and further compacting the prepreg ply downwards.

Specifically, as shown in fig. 4, the core module 4 includes a core module body 41 and a fixing member 42, the core module body 41 is disposed in the molding space, and the fixing member 42 is detachably connected to the core module body 41 and the transverse member 3, so that the core module body 41 and the transverse member 3 are relatively fixed.

Further, the core mold body 41 is provided with a fixed blind hole 411, the fixing member 42 includes a positioning pin 421 and a wrench rod 422, one end of the positioning pin 421 is disposed through the connecting hole 311 and embedded in the fixed blind hole 411, the other end of the positioning pin 421 is provided with a through hole 421a, and the wrench rod 422 is disposed through the through hole 421a. In use, the mandrel body 41 is fixed to or separated from the cross member 3 by rotating the trigger 422 to screw the locating pin 421 in or out.

Further, the core mold body 41 is further provided with a demolding screw hole 412 and a lightening hole 413, wherein the demolding screw hole 412 is used for lightening the weight of the core mold body 41 in order to facilitate the demolding and the demolding of the core mold body 41. The demolding screw holes 412 and the weight reducing holes 413 are blind holes, so that the influence of the resin in the holes in the subsequent product curing process on demolding is avoided.

Specifically, the bearing plate 5 is provided with an arc-shaped surface matched with a product, the utility model further comprises an arc-shaped pressing block 7, and the arc-shaped pressing block 7 is arranged at the arc-shaped part of the bearing plate 5, so that the arc-shaped part of the bearing plate 5 is compacted, and a gap is avoided in the forming process.

The utility model provides an integrated forming die for a multi-cavity section bearing member, which comprises a bearing table, a pair of oppositely arranged longitudinal parts, a pair of oppositely arranged transverse parts, a plurality of core die assemblies and a bearing plate, wherein the longitudinal parts and the transverse parts are detachably arranged on the bearing table, the bearing plate is detachably arranged on the longitudinal parts and the transverse parts, a closed space is formed by surrounding the bearing table, the longitudinal parts and the transverse parts, the core die assemblies are arranged in the forming space and are fixed with the transverse parts at intervals, and a forming space with the same shape as a product is formed among the bearing table, the longitudinal parts, the transverse parts and the core die assemblies. The core mould assembly is used for forming two ends of a multi-cavity product, so that the multi-cavity section bearing member is integrally formed, only one mould device and one-step forming are needed, the production cost is effectively reduced, and the production efficiency is improved; and because the product is one-step formed, the strength of the product is higher than that of the spliced product in the prior art.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.

Claims

1. A multi-cavity cross-section load bearing member integral molding die, comprising:

the bearing table comprises a bearing table body, a pair of oppositely arranged longitudinal parts, a pair of oppositely arranged transverse parts, a plurality of core mold assemblies and a bearing plate, wherein the longitudinal parts, the transverse parts are detachably arranged on the bearing table body, the bearing plate is detachably arranged on the longitudinal parts and the transverse parts, the bearing table body, the longitudinal parts and the transverse parts surround to form a closed space, the core mold assemblies are arranged in the closed space and are mutually spaced and fixed with the transverse parts, and a forming space with the same shape as a product is formed between the bearing table body, the longitudinal parts, the transverse parts and the core mold assemblies.

2. A multi-cavity cross-section load bearing member integral molding die as claimed in claim 1 wherein said cross-member comprises a block body and a connector, said block body being connected to said load bearing table in a vertical direction, said connector being connected to said block body and said load bearing plate such that said block body and said load bearing plate are relatively fixed.

3. The multi-cavity cross-section bearing member integrated molding die according to claim 2, wherein the connecting piece comprises a connecting piece and a connecting bolt, two ends of the connecting piece are respectively arranged at the stop block body and the bearing plate in a straddling mode, and the connecting bolt is arranged at two ends of the connecting piece in a penetrating mode and is embedded in the stop block body or the bearing plate in an embedding mode, so that two ends of the connecting piece are respectively fixed with the stop block body and the bearing plate.

4. A multi-cavity cross-section load bearing member integral molding die as claimed in claim 3 wherein said connector further comprises a silicone gasket disposed between said connecting tab and said stop body, said connecting bolt passing through said silicone gasket.

5. The multi-cavity cross-section load bearing member integral molding die of claim 1 further comprising a plurality of high temperature resistant silicone plates disposed between the transverse member and the load bearing table and between the longitudinal member and the load bearing table.

6. A multi-cavity, cross-section, load bearing member integral molding die as recited in claim 4 wherein said mandrel assembly comprises a mandrel body disposed within said molding space and a securing member removably connected to said mandrel body and said transverse member to secure said mandrel body and said transverse member relative to each other.

7. The integrated molding die for the multi-cavity cross-section bearing member according to claim 6, wherein the stop block body is provided with a plurality of connecting holes, the core die body is provided with a fixed blind hole, the fixing piece comprises a locating pin and a spanner rod, one end of the locating pin is arranged in the connecting holes in a penetrating manner and is embedded in the fixed blind hole, the other end of the locating pin is provided with a penetrating through hole, and the spanner rod is arranged in the penetrating through hole in a penetrating manner.

8. The integrated mold for multi-cavity cross-section load bearing member according to claim 6, wherein the core mold body is further provided with a demolding screw hole for facilitating demolding and a lightening hole for lightening the weight of the core mold body.

9. The multi-cavity cross-section load bearing member integral molding die as claimed in claim 1, wherein the carrying table comprises a moving frame and a carrying plate, rollers are arranged at the bottom of the moving frame, and the carrying plate is fixed at the top of the moving frame in the horizontal direction.

10. The multi-cavity cross-section load bearing member integral molding die as claimed in claim 9, wherein the bearing table further comprises a demolding top block, a containing groove matched with the demolding top block is formed in the bearing plate, and a top hole penetrating through the bearing plate is formed in the bottom of the containing groove.