Large-diameter square flange mold device

Abstract

The application discloses a large-diameter square flange mold device and relates to the field of composite material manufacturing process equipment design.The large-diameter square flange mold device comprises a mold bottom plate, a mold cavity plate one, a mold cavity plate two, a mold cavity plate three and a mold cavity plate four, the mold cavity plate one, the mold cavity plate two, the mold cavity plate three and the mold cavity plate four form a large-diameter square flange cavity mold and are installed on the mold bottom plate, the end parts of the mold cavity plate one and the mold cavity plate two, the end parts of the mold cavity plate one and the mold cavity plate four, the end parts of the mold cavity plate three and the mold cavity plate two and the end parts of the mold cavity plate three and the mold cavity plate four are all provided with positioning structures, the large-diameter square flange mold device can meet the requirement of combining various lay-up structures of cloth-like composite material fibers, ensures that a flange structural part has sufficient mechanical properties, the two mold cavity plates are connected through dovetail structures, are convenient to disassemble, demold and assemble, are accurate and reliable in positioning, and the circumferential cavity size precision of the four mold cavity plates is stable and consistent in each disassembly and assembly process.

Description

Technical Field

[0001] This invention relates to the field of composite material manufacturing process equipment design, and in particular to a large-diameter square flange mold device. Background Technology

[0002] Resin-based fiber-reinforced composite flanges possess advantages such as good corrosion resistance, high strength, and light weight. They also offer the benefit of large-scale, low-cost manufacturing using mold-making equipment, gradually replacing metal flanges. In terms of functional requirements, flanges are structural components subjected to significant stress. Current technologies have specific requirements for resin-based fiber layup. A single circumferential layering of resin-based fabric fibers around a square tube mold cannot meet the structural requirements of flanges, necessitating a combination of various layup structures to accommodate the flange end face and inner cavity. Furthermore, existing flange mold-making equipment is complex to assemble and disassemble, and the required assembly precision is difficult to achieve. Summary of the Invention

[0003] To address the aforementioned technical problems, this invention discloses a large-diameter square flange mold device, comprising a mold base plate, a mold cavity plate one, a mold cavity plate two, a mold cavity plate three, and a mold cavity plate four. The mold cavity plates one, two, three, and four form a large-diameter square flange cavity mold and are mounted on the mold base plate. Positioning structures are provided at the ends of the mold cavity plates one and two adjacent to each other, the ends of the mold cavity plates one and four adjacent to each other, the ends of the mold cavity plates three and two adjacent to each other.

[0004] Furthermore, the positioning structure adopts a 60° dovetail structure, and each 60° dovetail structure is connected by a screw. The end faces of the contact points between mold cavity plate one and mold cavity plate two, mold cavity plate one and mold cavity plate four, mold cavity plate three and mold cavity plate two, and mold cavity plate three and mold cavity plate four are all provided with a gap of 0 to 0.2 mm.

[0005] The 60° dovetail structure positioning and screw connection make it easy to separate the connections between mold cavity plate 1 and mold cavity plate 2, mold cavity plate 1 and mold cavity plate 4, mold cavity plate 3 and mold cavity plate 2, and mold cavity plate 3 and mold cavity plate 4. When reassembling mold cavity plate 1, mold cavity plate 2, mold cavity plate 3, and mold cavity plate 4, the positioning between adjacent mold cavity plates is accurate and reliable, and the operation is convenient and quick.

[0006] Furthermore, the large-diameter square flange cavity mold composed of mold cavity plate one, mold cavity plate two, mold cavity plate three and mold cavity plate four is fixed to the mold base plate by four screws.

[0007] Furthermore, the four screws are countersunk so that the cylindrical heads do not protrude above the end face of the large-diameter square flange cavity mold, so as to facilitate the laying of the vacuum bag. At the same time, the threaded holes used to connect and fix the cavity mold do not penetrate the mold base plate, so as to ensure that the interior of the vacuum bag containing the composite material flange does not leak air when the vacuum bag is evacuated.

[0008] Furthermore, each of the four corners of the mold base plate is provided with threaded through holes for installing lifting eye bolts, so as to hoist and transport the mold device.

[0009] Furthermore, each of the upper end faces of the first, second, third, and fourth mold cavity plates is provided with two threaded holes symmetrically arranged along the middle position, for installing eye bolts when it is necessary to move or transport them.

[0010] Furthermore, each of the first and third mold cavity plates has two threaded through holes symmetrically arranged along the middle position on both sides. A deep countersunk hole is provided above the threaded through hole to facilitate the quick screwing in of screws to hold the mold base plate, so that the large-diameter square flange cavity mold containing the product can be disengaged from the mold base plate.

[0011] Furthermore, the second, third, and fourth mold cavity plates are respectively engraved with single or double lines indicating the corresponding assembly position relationship.

[0012] The advantages of this invention compared to the prior art are: This invention employs a structural design combining a mold base plate and a large-diameter square flange cavity mold, thereby meeting the requirements for combining multiple layup structures of fabric composite fibers. This ensures that the flange structure has sufficient mechanical properties. Furthermore, the large-diameter square flange cavity mold is divided into four cavity plates. Adjacent cavity plates are connected by a dovetail structure for easy disassembly, demolding, and assembly. The positioning is accurate and reliable, ensuring that the circumferential cavity dimensions of the four cavity plates remain stable and consistent during each disassembly and assembly process, thus meeting the dimensional accuracy requirements of the flange inner cavity surface. Attached Figure Description

[0013] Figure 1 This is a front view of the overall structure of the present invention.

[0014] Figure 2 For the present invention Figure 1 A magnified schematic diagram of the structure at point I in the middle.

[0015] Figure 3 For the present invention Figure 1 A cross-sectional view along the AA direction.

[0016] Figure 4 For the present invention Figure 1 A cross-sectional view along the BB direction.

[0017] Figure 5 For the present invention Figure 1 A cross-sectional view along the CC direction.

[0018] Reference numerals: 1-Mold base plate; 2-Mold cavity plate one; 3-Mold cavity plate two; 4-Mold cavity plate three; 5-Mold cavity plate four; 6-Screw one; 7-Threaded hole; 8-Screw two; 9-Threaded through hole one; 10-Threaded through hole two; 11-Base plate plane; 12-Circumferential surface. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] Example: Figures 1-5 As shown, the present invention provides a large-diameter square flange mold device, including a mold base plate 1, a mold cavity plate 2, a mold cavity plate 3, a mold cavity plate 4, and a mold cavity plate 5. The mold cavity plates 2, 3, 4, and 5 form a large-diameter square flange cavity mold and are installed on the mold base plate 1. The ends of the mold cavity plates 2 and 3 adjacent to each other, the ends of the mold cavity plates 2 and 4 adjacent to each other, the ends of the mold cavity plates 4 and 2 adjacent to each other, and the ends of the mold cavity plates 4 and 5 adjacent to each other are all provided with positioning structures.

[0021] The positioning structure adopts a 60° dovetail structure, and each 60° dovetail structure is connected by screw 6. The end faces of the contact points between mold cavity plate 1 2 and mold cavity plate 2 3, the end faces of the contact points between mold cavity plate 1 2 and mold cavity plate 4 5, the end faces of the contact points between mold cavity plate 3 4 and mold cavity plate 2 3, and the end faces of the contact points between mold cavity plate 3 4 and mold cavity plate 4 5 are all provided with a gap of 0 to 0.2 mm.

[0022] The 60° dovetail structure positioning and screw 6 connection facilitate the separation of mold cavity plate 12 from mold cavity plate 23, mold cavity plate 12 from mold cavity plate 45, mold cavity plate 34 from mold cavity plate 23, and mold cavity plate 34 from mold cavity plate 45. When reassembling mold cavity plate 12, mold cavity plate 23, mold cavity plate 34, and mold cavity plate 45, the positioning between adjacent mold cavity plates is accurate and reliable, and the operation is convenient and quick.

[0023] The mold cavity plate 1, 2, 3, 4, and 5 form a large-diameter square flange cavity mold, which is connected and fixed to the mold base plate 1 by four screws 28.

[0024] The four screws 28 are countersunk so that the cylindrical heads do not protrude above the end face of the large-diameter square flange cavity mold, so as to facilitate the laying of the vacuum bag. At the same time, the threaded holes used to connect and fix the cavity mold do not penetrate the mold base plate 1, so as to ensure that the interior of the vacuum bag containing the composite material flange does not leak air when the vacuum bag is evacuated.

[0025] The mold base plate 1 is provided with threaded through holes 10 at each of the four corners for installing lifting eye bolts, so as to hoist and transport the mold device.

[0026] The upper end faces of each of the mold cavity plate 1 2, mold cavity plate 2 3, mold cavity plate 3 4 and mold cavity plate 4 5 are provided with two threaded holes 7 symmetrically arranged along the middle position, for installing eye bolts when it is necessary to move or transport them.

[0027] The mold cavity plate 12 and the mold cavity plate 34 are provided with two threaded through holes 9 symmetrically arranged along the middle position on both sides. A deep countersunk hole is provided above the threaded through hole 9 to facilitate the quick screwing in of screws to hold the mold base plate 1, so that the large-diameter square flange cavity mold containing the product can be disengaged from the mold base plate 1.

[0028] The mold cavity plate 2 3, mold cavity plate 3 4 and mold cavity plate 4 5 are respectively engraved with single or double lines indicating the corresponding assembly position.

[0029] The instructions for use of this invention are as follows: like Figure 5 As shown, the resin-based fabric fiber can be bonded to the base plate plane 11, with the layup thickening along the height direction of the large-diameter square flange cavity mold; or the resin-based fabric fiber can be bonded to the circumferential surface 12 and thickened outwards; or a portion of the resin-based fabric fiber can be bonded to the base plate plane 11, and another portion to the circumferential surface 12, resulting in an L-shaped layup structure. The layup on the base plate plane 11 meets the flatness requirements of the flange plane. The combination of the base plate plane 11 and the circumferential surface 12 can satisfy the requirements for combining various layup structures of the resin-based fabric composite fiber, ensuring that the flange structural components have sufficient mechanical properties.

[0030] After the mold completes the resin-based fiber layup process, it is covered with a vacuum bag around the resin-based fiber composite material and sealed with putty on the base plate plane 11 to meet the requirements of the composite material vacuum forming process.

[0031] like Figure 1As shown, after the composite material product has been cured and molded, remove the four screws 28, and then quickly screw the screws into the threaded through hole 9 to hold the mold base plate 1, so that the large-diameter square flange cavity mold containing the product is detached from the mold base plate 1. Then, remove the screws 16 in sequence to separate the mold cavity plate 12, mold cavity plate 23, mold cavity plate 34 and mold cavity plate 45 from the large-diameter square flange composite material product, thus completing the demolding process of the large-diameter square flange composite material product.

[0032] According to the mold structure requirements, the mold is reassembled into a whole; the two adjacent mold cavity plates (mold cavity plate 1-2 and mold cavity plate 2-3, mold cavity plate 1-2 and mold cavity plate 4-5, mold cavity plate 3-4 and mold cavity plate 2-3, mold cavity plate 3-4 and mold cavity plate 4-5) are positioned using a 60° dovetail structure and connected and fixed with screw 1-6, which makes it very convenient and quick to separate or assemble the adjacent mold cavity plates. The advantage is that the positioning is accurate and reliable, which effectively ensures the stable and consistent circumferential cavity dimension accuracy of the large-diameter square flange cavity mold and meets the dimensional accuracy requirements of the flange inner cavity surface.

[0033] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope of the present invention.

Claims

1. A large-diameter square flange mold device, characterized in that, The mold includes a base plate (1), a cavity plate one (2), a cavity plate two (3), a cavity plate three (4), and a cavity plate four (5). The cavity plates one (2), two (3), three (4), and four (5) form a square flange cavity mold and are installed on the base plate (1). The ends of the cavity plates one (2) adjacent to the cavity plates two (3), the ends of the cavity plates one (2) adjacent to the cavity plates four (5), the ends of the cavity plates three (4) adjacent to the cavity plates two (3), and the ends of the cavity plates three (4) adjacent to the cavity plates four (5) are all provided with positioning structures.

2. The large-diameter square flange mold device as described in claim 1, characterized in that, The positioning structure adopts a 60° dovetail structure, and each 60° dovetail structure is connected by screw one (6). The end faces of the contact points between the mold cavity plate one (2) and the mold cavity plate two (3), the end faces of the contact points between the mold cavity plate one (2) and the mold cavity plate four (5), the end faces of the contact points between the mold cavity plate three (4) and the mold cavity plate two (3), and the end faces of the contact points between the mold cavity plate three (4) and the mold cavity plate four (5) are all provided with a gap of 0 to 0.2 mm.

3. The large-diameter square flange mold device as described in claim 1, characterized in that, The square flange cavity mold composed of the first mold cavity plate (2), the second mold cavity plate (3), the third mold cavity plate (4) and the fourth mold cavity plate (5) is connected and fixed on the mold base plate (1) by four screws (8).

4. The large-diameter square flange mold device as described in claim 1, characterized in that, The four screws (8) are countersunk so that the cylindrical head does not protrude above the end face of the square flange cavity mold.

5. The large-diameter square flange mold device as described in claim 1, characterized in that, The mold base plate (1) is provided with threaded through holes (10) at each of the four corners for installing eye bolts.

6. The large-diameter square flange mold device as described in claim 1, characterized in that, The upper end face of each of the mold cavity plate one (2), mold cavity plate two (3), mold cavity plate three (4) and mold cavity plate four (5) is provided with two threaded holes (7) symmetrically arranged along the middle position.

7. The large-diameter square flange mold device as described in claim 1, characterized in that, The mold cavity plate 1 (2) and the mold cavity plate 3 (4) are provided with two threaded through holes 1 (9) symmetrically arranged along the middle position on both sides, and a countersunk hole is provided above the threaded through hole 1 (9).

8. The large-diameter square flange mold device as described in claim 1, characterized in that, The mold cavity plate two (3), mold cavity plate three (4) and mold cavity plate four (5) are respectively engraved with single or double lines indicating the corresponding assembly position relationship.

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