TWI613065B - Mold structure integrally formed by beam rib and skin and manufacturing method thereof - Google Patents

Description

Mold structure integrally formed by beam rib and skin and manufacturing method thereof

The mold structure and the manufacturing method thereof are integrally formed by the beam rib and the skin, and the integrated structure of the beam rib and the skin is achieved by the mold redesign and the process improvement.

The existing manufacturing technology of the beam ribs and skin joints in the market requires a plurality of parts to be formed, and one or more structural gluing processes can be completed, which is complicated and complicated in manufacturing, and the working hours and costs cannot be reduced. . In addition, when the assembled components are to be structurally bonded, the beam ribs and the skin of the assembly may have a glued surface, and the gap of the glued surface is not easily controlled, which makes the assembly of the glue difficult. The structural gluing technique of the multi-component beam ribs and the skin is more troublesome, increasing the man-hour and difficulty of the process, positioning and gluing, resulting in the lack of quality and yield.

In the production of the previous beam rib and skin combination, the mold of each part must be manufactured first, and then the parts should be separately manufactured, and then the assembled frame can be used for structural gluing of the parts to complete the combination of the beam ribs and the skin. The required molds, profiles and processes are very complicated and time consuming, costly and labor intensive, and the quality of the parts and assembly positioning glue is not easy to control.

In view of the above problems, a mold structure for integrally forming a beam rib and a skin of the present invention and a manufacturing method thereof are integrally formed by a beam rib and a skin, an innovative mold and a process design, and all the laminates of the structural member are well positioned. , all the beams will be vacuum-pressurized The rib and skin assembly are integrally formed and finished in one shot.

The shortcomings of the prior art require multiple molds and assembly profiles, which are too costly to manufacture and work, and cannot effectively fulfill the mission requirements. The problems encountered include the formation of multiple parts, the positioning and precision of the assembly of parts, the surface treatment of the glued surface and the glue, weight and quality cannot be effectively controlled, which is not economical.

According to the conditions of the composite structure laminate and the resin hardening, the mold and the module are designed, and the composite prepreg stack of the beam ribs and the skin is laminated and positioned, and the vacuum pressurization process of the envelope is used. The beam ribs and skin assembly are integrally formed and finished in one shot.

The creation has been actually carried out, and the fabrication of the integrated airfoil structural member is completed, including one hollow mouth beam, three ribs and one skin, and the assembly of five parts is integrally formed at one time. The invention refines a mold structure improvement of a beam rib and a skin integrally formed and a composite material manufacturing method thereof, an innovative mold and a process design, increases the convenience and speed of the process, and improves the process quality and the yield, and the creation has technical and industrial value potential. The necessity and value of obtaining a patent application for protection.

This Summary and the following detailed description and the accompanying drawings are intended to further illustrate the manner, the Other objects and advantages of the present invention will be described in the following description and drawings.

1‧‧‧ Ontology

11‧‧‧ first template

111‧‧‧Pumping holes

12‧‧‧ second template

121‧‧‧Ventilated holes

2‧‧ ‧ skin

3‧‧‧ ribs

S11-S16‧‧‧ is the method flow

Fig. 1 is a structural view of a mold in which a beam rib and a skin are integrally formed according to the present invention.

Fig. 2 is a flow chart showing a method for integrally forming a beam rib and a skin according to the present invention.

The embodiments of the present invention are described below by way of specific examples, and those skilled in the art can understand the other advantages and advantages of the present invention from the disclosure. Referring to FIG. 1 , a mold structure integrally formed by a beam rib 3 and a skin 2 according to the present invention includes: a body 1 having a first mold 11 plate and a second template 12, the first template 11 side A plurality of air venting holes 111 are provided, and a plurality of gas filling holes 121 are disposed on the side of the second template 12, and when the first template 11 and the second template 12 are combined, a sealed accommodating space is formed, and the filling hole 121 is used for filling The gas, the composite material structure prepreg fabric is attached to the inner wall of the body and the gas filling hole is an airtight joint; and the composite material structure is integrally formed by the beam rib 3 and the skin 2 assembly, and is disposed on the body 1 In the accommodating space, the gas in the body 1 is extracted by the air venting hole 111, and the outer prepreg fabric is attached to the inner pressure bag, and the inner pressure bag is pressurized by the air venting hole 121. The composite fabric is attached to the inner wall of the body 1. When the prepreg is hardened, the purpose of forming the beam rib and the skin is integrally formed.

Please refer to FIG. 2 , which is a manufacturing method for integrally forming the beam rib 3 and the skin 2 according to the present invention, which is characterized in that vacuum and pressure are applied to the surface of the composite material, and the composite prepreg is hardened to obtain a beam. The manufacturing method of integrally forming the rib 3 and the skin 2 comprises the following steps: Step 1: providing a composite material structure having a beam rib 3 structure S111 and a skin 2 structure S112 member S11; Step 2: providing an integrated beam rib 3 skin 2 structural member, disposed in the accommodating space of the body 1 and taking out the pre-shaped core material sealing bag airtight vacuum S12; step 3: inner air pressure bag pressure pre-forming S13; step 4: high temperature hardening forming S14; Step 5: demolishing the mold S15; removing the first template and the second template step 6: the finished product S16, thereby achieving the purpose of fabricating a mold structure in which the beam ribs and the skin are integrally formed.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, it is to be understood that equivalents or modifications may be made without departing from the spirit and scope of the invention. Equivalent changes and modifications made below are intended to be included within the scope of the invention.

1‧‧‧ Ontology

11‧‧‧ first template

111‧‧‧Pumping holes

12‧‧‧ second template

121‧‧‧Ventilated holes

2‧‧ ‧ skin

3‧‧‧ ribs

Claims (5)

A mold structure integrally formed by a beam rib and a skin, the structure comprising: a body having a first template and a second template, wherein the first template side is provided with a plurality of air suction holes, and the second template side is provided with a plurality of air holes The filling hole forms a sealed accommodating space when the first template and the second template are combined; and a composite material structure is integrally formed by the beam rib and the skin assembly, and is disposed in the accommodating space of the body, The air venting hole extracts the gas in the body, the sleeve is attached to the inner pressure bag, and the composite material prepreg fabric is stretched, and then the inner pressure bag is pressurized by the air venting hole, so that the composite material fabric is attached thereto. The inner wall of the body, after the prepreg is hardened, thereby achieving the purpose of forming the beam rib and the skin integrally. The mold structure of the beam rib and the skin integrally formed according to the first aspect of the invention, wherein the air venting hole is used for pumping to make a vacuum. The mold structure of the beam rib and the skin integrally formed according to claim 1, wherein the gas filling hole is used for filling a gas, and the composite material structure fabric is attached to the inner wall of the body. The mold structure of the beam rib and the skin integrally formed according to claim 1, wherein the gas filling hole is an airtight joint. The invention relates to a method for manufacturing a beam rib and a skin integrally formed, which is characterized in that a vacuum and a pressure are applied to the surface of the composite material, and the composite material prepreg is hardened to obtain a method for integrally forming the beam rib and the skin, and the steps thereof are completed. The method includes the following steps: Step 1: S11 provides a composite material structure, which has a beam rib structure member and a skin structure member; Step 2: S12 provides an integral beam rib skin structure member, which is disposed in the housing space of the body and takes out the pre-preparation The core material sealing bag is air-tightly vacuumed; step 3: pressure pre-forming of the air pressure bag in S13; Step 4: S14 high temperature hardening forming; Step 5: S15 demoulding; removing the first template and the second template Step 6: S16 finished product, thereby achieving the purpose of fabricating a mold structure in which the beam ribs and the skin are integrally formed.