A soluble core die integrated frame composite material forming tool

By combining a soluble core mold with a support frame, an integrated composite material molding tooling is formed, which solves the problems of long processing cycles and high costs in traditional processes, and realizes rapid, high-precision, and low-cost composite material molding.

CN224490147UActive Publication Date: 2026-07-14SHANGHAI LANGDAN TECH GRP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI LANGDAN TECH GRP CO LTD
Filing Date
2025-07-18
Publication Date
2026-07-14

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Abstract

The utility model provides a kind of soluble core mould integrated frame composite material forming tool, comprising: soluble core mould, inner mould block, outer mould block, bottom plate, top plate, outer baffle, the soluble core mould that layer is completed is placed in the center position of bottom plate, and inner mould block is placed in the inside of soluble core mould that layer is completed and is fixed on bottom plate, and outer mould block is placed in the side of soluble core mould that layer is completed and is fixed on bottom plate, top plate is placed on soluble core mould and inner mould block, and top plate is fixed with inner mould block, outer mould block by screw, outer baffle is connected bottom plate, outer mould block, top plate connection by screw.Just one kind of soluble core mould integrated frame composite material forming tool can be used to solve the problem, such as high cost, storage maintenance, can realize efficient stripping, high-precision forming, low cost and tool reusable.
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Description

Technical Field

[0001] This invention relates to the field of composite material molding technology, and is particularly suitable for manufacturing composite material components with complex cavity structures, such as drone wing spars, aerospace fuel tanks, and lightweight automotive structural components. Through the design of a soluble mandrel and a support frame, efficient demolding and high-precision molding are achieved. Background Technology

[0002] In the current traditional composite material frame molding process, the frame is assembled by gluing together the rods and joints. It is necessary to process all the molding tooling for the rods and joints separately. The processing of the molding tooling and the molding of the joint rods are time-consuming, involve a large number of rods, and have high storage and maintenance costs. There are also issues with the reliability of the gluing interface.

[0003] This utility model relates to a soluble mandrel integrated frame composite material molding tooling. Through the design of the soluble mandrel supporting the frame, it is possible to quickly and cost-effectively manufacture carbon fiber frames. Summary of the Invention

[0004] The purpose of this invention is to provide an integrated composite material molding device for soluble core mold and bearing frame, which can be used to solve problems such as high cost, storage and maintenance.

[0005] A soluble core mold integrated frame composite material molding fixture includes: a soluble core mold, an inner mold block, an outer mold block, a base plate, a top plate, and an outer baffle. The composite material is laid on the soluble core mold. The laid-up soluble core mold is placed at the center of the base plate. The inner mold block is placed inside the laid-up soluble core mold and fixed to the base plate. The outer mold block is placed on the side of the laid-up soluble core mold and fixed to the base plate. The top plate is placed on the soluble core mold and the inner mold block. The top plate is fixed to the inner mold block and the outer mold block by screws. The outer baffle is connected to the base plate, the outer mold block, and the top plate by screws.

[0006] The outer baffle provides fixation and leveling for the base plate and the outer mold assembly.

[0007] The soluble core mold can be dissolved in warm water, and the solution can be filtered and recycled.

[0008] In a preferred embodiment of this invention, efficient demolding is achieved.

[0009] In a preferred embodiment of this utility model, high-precision molding can be achieved.

[0010] In a preferred embodiment of this invention, the method can be low-cost and reusable. Attached Figure Description

[0011] Figure 1A three-dimensional schematic diagram of the overall structure of this utility model;

[0012] Figure 2 Exploded three-dimensional view of the overall structure of this utility model. Detailed Implementation

[0013] A soluble core mold integrated frame composite material molding tooling includes: a soluble core mold 100, an inner mold block 200, an outer mold block 300, a bottom plate 400, a top plate 500, and an outer baffle 600.

[0014] See Figure 1 As shown, the composite material is laid on the soluble core mold 100. After laying, it is placed in the center of the base plate 400. The inner mold block 200 is passed through the cavity in the soluble core mold 100 after laying and fixed on the base plate 400.

[0015] Use the outer mold block 300 to frame the soluble core mold 100 after the layering is completed, and install the outer mold block 300 on the base plate 400;

[0016] Place the top plate 500 on the soluble core mold 100 and the inner mold assembly 200, and fix the top plate 500 to the inner mold assembly 200 and the outer mold assembly 300 with screws. Finally, connect the bottom plate 400, the outer mold assembly 300, and the top plate 500 with screws using the outer baffle 600.

[0017] The soluble core mold 100 can be dissolved in warm water, and the solution can be filtered and recycled.

Claims

1. A soluble core-die integrated frame composite forming tooling, characterized by, The application relates to a soluble core mold (100), inner mold blocks (200), outer mold blocks (300), a bottom plate (400), a top plate (500) and an outer layer baffle (600), wherein the soluble core mold (100) is pasted with composite materials, the layered soluble core mold (100) is placed at the center position of the bottom plate (400), the inner mold blocks (200) are placed at the inner side of the layered soluble core mold (100) and are fixed on the bottom plate (400), the outer mold blocks (300) are placed at the outer side of the layered soluble core mold (100) and are fixed on the bottom plate (400), the top plate (500) is placed on the soluble core mold (100) and the inner mold blocks (200), the top plate (500) is fixed with the inner mold blocks (200) and the outer mold blocks (300) through screws, and the outer layer baffle (600) is connected with the bottom plate (400), the outer mold blocks (300) and the top plate (500) through screws. The outer layer baffle (600) provides fixing and flattening for the bottom plate (400) and the outer mold blocks (300).

2. The soluble core-die integrated frame composite forming tooling of claim 1, wherein, The soluble core mold (100) can be dissolved by using warm water, and the dissolved solution can be filtered and recycled.

3. The soluble core-die-integrated frame composite forming tooling of claim 1, wherein, ​