Composite material shell forming mold

Abstract

The utility model belongs to the technical field of composite material forming equipment, and particularly relates to a composite material shell forming die which comprises a supporting mechanism which comprises a support assembly I and a support assembly II. The middle rod is connected to the support assembly I and the support assembly II through a connecting piece, and the middle rod is rotationally connected into the connecting piece; the mandrel is arranged on the middle rod in a sleeving mode, and the support assembly I and the support assembly II are located on the two sides of the mandrel correspondingly; and the demolding part is arranged at the demolding end of the core mold, and the demolding part is arranged on the middle rod in a sleeving mode. The utility model can effectively overcome the defects that the product is not easy to demould and the mould attaching surface is easy to have the thread splitting defect during the demoulding. Meanwhile, the composite material shell can be more conveniently laid through rotation, and the production efficiency is improved; the tape winding operation is carried out in a core mold form after paving is completed, and the defect that large-area wrinkles appear on the surface after the surface of a product is cured is effectively overcome.

Description

Technical Field

[0001] The utility model belongs to the technical field of composite material molding equipment, and in particular relates to a composite material shell molding die. Background Art

[0002] When the composite shells used in military aircraft, civil aircraft, and drones are long, using a vertical male mold will make the product difficult to demold and easily cause splitting defects on the mold surface during demolding; using a horizontal male mold will make laying inconvenient and cause large-area wrinkle defects on the surface after the product is cured.

[0003] Therefore, there is an urgent need for a composite material shell molding mold to solve the above problems, to solve the shortcomings and deficiencies that the product is difficult to demold and that it is easy to cause splitting defects on the mold surface during demolding. Utility Model Content

[0004] The purpose of the utility model is to provide a composite shell forming mold to solve the above problems, effectively solve the shortcomings and deficiencies of the product being difficult to demould and the mold surface being prone to cracking defects during demoulding. At the same time, it is more convenient to lay the composite shell through rotation, improving production efficiency; through the core mold form, it satisfies the tape wrapping operation after the laying is completed, effectively solving the problem of large-area wrinkle defects on the surface of the product after the surface is cured.

[0005] To achieve the above-mentioned purpose, the utility model provides the following solutions: The utility model provides a composite material shell forming mold, comprising:

[0006] A support mechanism, the support mechanism comprising a support assembly I and a support assembly II;

[0007] An intermediate rod, the intermediate rod is connected to the bracket assembly I and the bracket assembly II through a connecting piece, and the intermediate rod is rotatably connected in the connecting piece;

[0008] A core mold, wherein the core mold is sleeved on the middle rod, and the support assembly I and the support assembly II are respectively located on both sides of the core mold;

[0009] A demoulding piece is provided at the demoulding end of the core mold, and the demoulding piece is sleeved on the middle rod. When the composite material is paved in the core mold, the demoulding piece is sleeved on the middle rod. When the composite material in the core mold is paved and formed, the demoulding piece is sleeved on the middle rod and fixedly installed with the demoulding end of the core mold.

[0010] Preferably, the core mold is a hollow structure.

[0011] Preferably, the connecting member is a clamp, and the bracket assembly I and the bracket assembly II are respectively fixedly mounted with a clamp, and the intermediate rod is inserted into the two clamps.

[0012] Preferably, the demolding member is a demolding ring, which is sleeved on the middle rod, and when the composite material is laid in the core mold, the demolding ring is sleeved on the middle rod, and when the composite material in the core mold is formed after laying, the demolding ring is sleeved on the middle rod and fixedly mounted on the demolding end of the core mold.

[0013] Preferably, the support assembly I comprises:

[0014] Base I;

[0015] The support body I is fixedly mounted on the base I, and a clamp is fixedly mounted on the top of the support body I;

[0016] Support plate I: a plurality of support plates I are installed around one end of the bracket body I close to the base I, and the bottom ends of the plurality of support plates I are fixedly installed on the base I.

[0017] Preferably, the support assembly II comprises:

[0018] Base II;

[0019] The support body II is fixedly mounted on the base II, and a clamp is fixedly mounted on the top of the support body II;

[0020] Support plate II: a plurality of support plates II are installed around one end of the bracket body II close to the base II, and the bottom ends of the plurality of support plates II are fixedly installed on the base II.

[0021] Compared with the prior art, the utility model has the following advantages and technical effects: the composite shell forming mold of the present application, by adding a demoulding piece, can separate the composite forming shell from the core mold by rotating the demoulding piece after the product is formed, making demoulding more convenient, and the rotation of the demoulding piece is not easy to cause the surface of the composite forming shell to have cracking defects, effectively solving the shortcomings and deficiencies of the product being difficult to demould and easily causing cracking defects on the mold surface during demoulding. At the same time, it is more convenient to lay the composite shell through rotation, improving production efficiency; by using a demoulding piece to assist in wrapping, the uniformity of wrapping can also be ensured, effectively solving the problem of large-area wrinkle defects on the surface of the product after the surface is cured. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:

[0023] Figure 1 It is a structural schematic diagram of a composite material shell forming mold disclosed in the utility model;

[0024] Figure 2 It is a schematic diagram of the structure of the bracket assembly I and the bracket assembly II;

[0025] Figure 3 It is a structural schematic diagram of the core mold;

[0026] Among them, 1. core mold; 2. middle rod; 3. demoulding ring; 4. clamp; 5. bracket assembly I; 51. bracket body I; 52. base I; 53. support plate I; 6. bracket assembly II; 61. bracket body II; 62. base II; 63. support plate II. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0029] Reference Figure 1-Figure 3 The utility model provides a composite material shell forming die, comprising:

[0030] A supporting mechanism, the supporting mechanism comprises a supporting assembly I5 and a supporting assembly II6;

[0031] An intermediate rod 2, the intermediate rod 2 is connected to the bracket assembly I5 and the bracket assembly II6 through a connecting piece, and the intermediate rod 2 is rotatably connected in the connecting piece;

[0032] The core mold 1 is sleeved on the middle rod 2, and the bracket assembly I5 and the bracket assembly II6 are respectively located on both sides of the core mold 1;

[0033] A demolding piece is provided at the demolding end of the core mold 1, and the demolding piece is sleeved on the middle rod 2. When the composite material is paved in the core mold 1, the demolding piece is sleeved on the middle rod 2. When the composite material in the core mold 1 is paved and formed, the demolding piece is sleeved on the middle rod 2 and fixedly installed on the demolding end of the core mold 1.

[0034] Specifically, Figure 1 As shown, the bracket component I5, the bracket component II6, the core mold 1 and the demoulding piece are made of 45# steel metal material by CNC machining; the bracket component I5 and the bracket component II6 can be placed on the working platform, and in order to ensure the normal use of the entire mold, the bracket component I5 and the bracket component II6 need to be placed on the same straight line and on the same plane; and the middle rod 2 is horizontally arranged between the bracket component I5 and the bracket component II6, that is, when the composite material shell needs to be formed, the core mold 1 is firstly mounted on the middle rod 2, and the demoulding piece is mounted on the mold outlet end of the core mold 1, and the middle rod 2 is placed above the bracket component I5 and the bracket component II6, and the inner diameter of the clamp 4 is larger than the rod diameter of the middle rod 2, so that not only can the rotation of the middle rod 2 be ensured, but also when the composite material is laid in the core mold 1, the demoulding piece can be rotated, so that the composite material on each surface of the core mold 1 can be laid evenly, and it can be laid while rotating, making the laying more convenient. When the paving is completed, the core mold 1 is removed and placed on the tape wrapping machine for tape wrapping. When the tape wrapping is performed, the demoulding piece can also be rotated so that it can be wrapped more evenly and faster. When the composite material is paved and formed, the demoulding piece is sleeved on the middle rod 2 and fixedly installed with the demoulding end of the core mold 1. After the final packaging is completed, the entire composite material shell forming mold is sent into the autoclave for curing. The composite material shell forming mold of the present application is adopted. By adding a demoulding piece, the composite material forming shell can be separated from the core mold 1 by rotating the demoulding piece after the product is formed, so that demoulding is more convenient, and the rotation of the demoulding piece is not easy to cause the surface of the composite material forming shell to have split wire defects, which effectively solves the shortcomings and deficiencies that the product is not easy to demould and the mold surface is prone to split wire defects during demoulding. At the same time, it is more convenient to lay the composite material shell by rotation, and the production efficiency is improved; by using a demoulding piece to assist in tape wrapping, the uniformity of tape wrapping can also be guaranteed, which effectively solves the deficiency of large-area wrinkle defects on the surface of the product after the surface curing is completed.

[0035] In one embodiment, Figure 1 As shown, in order to ensure the packaging of the core mold 1 after paving, fixing plates are fixedly installed at both ends of the middle rod 2, and a gasket is installed on the side of the demolding piece away from the core mold 1, and then the gasket and the demolding piece are fixedly installed on the core mold 1 through the fixing plate, wherein the fixing plate is fixed by screws.

[0036] According to a further optimization scheme, the core mold 1 is a hollow structure.

[0037] Specific as Figure 1-Figure 3 As shown, in order to improve the thermal conductivity and thus the molding efficiency, the core mold 1 is set as a hollow structure, that is, the interior of the core mold 1 is a frame structure and the outer periphery is the core mold 1 body.

[0038] According to a further optimized solution, the connecting piece is a clamp 4 , and the clamp 4 is fixedly mounted on the bracket assembly I5 and the bracket assembly II6 , respectively, and the intermediate rod 2 is inserted into the two clamps 4 .

[0039] Specifically, Figure 1 As shown, in order to ensure that the middle rod 2 can be stably installed on the bracket assembly I5 and the bracket assembly II6 and complete the packaging, the middle rod 2 is fixedly installed on the bracket assembly I5 and the bracket assembly II6 by using a clamp 4. At the same time, in order to prevent the middle rod 2 from falling off, limit blocks are integrally formed at both ends of the middle rod 2, and the outer diameter of the limit block is larger than the inner diameter of the clamp 4.

[0040] A further optimized solution is that the demolding part is a demolding ring 3, which is sleeved on the middle rod 2, and when the composite material is laid in the core mold 1, the demolding ring 3 is sleeved on the middle rod 2, and when the composite material in the core mold 1 is laid and molded, the demolding ring 3 is sleeved on the middle rod 2 and fixedly installed on the demolding end of the core mold 1.

[0041] Specifically, Figure 1 As shown, the demoulding ring 3 is sleeved on the middle rod 2 and can slide horizontally relative to the middle rod 2 . However, under the action of external force, when the demoulding ring 3 rotates, it will not rotate relative to the middle rod 2 .

[0042] Further optimizing the scheme, the bracket assembly I5 includes:

[0043] Base Ⅰ52;

[0044] The bracket body Ⅰ51 is fixedly mounted on the base Ⅰ52, and a clamp 4 is fixedly mounted on the top of the bracket body Ⅰ51;

[0045] Support plates Ⅰ53 , a plurality of support plates Ⅰ53 are installed around one end of the bracket body Ⅰ51 close to the base Ⅰ52 , and the bottom ends of the plurality of support plates Ⅰ53 are fixedly installed on the base Ⅰ52 .

[0046] Furthermore, the support assembly II6 includes:

[0047] Base II 62;

[0048] The bracket body II 61 is fixedly mounted on the base II 62, and a clamp 4 is fixedly mounted on the top of the bracket body II 61;

[0049] Support plates II 63 : A plurality of support plates II 63 are installed around one end of the bracket body II 61 close to the base II 62 , and the bottom ends of the plurality of support plates II 63 are fixedly installed on the base II 62 .

[0050] Specifically, Figure 1 As shown, for the stability of the bracket assembly Ⅰ5 and the bracket assembly Ⅱ6, the base Ⅰ52 and the base Ⅱ62 are fixedly installed under the bracket body Ⅰ51 and the bracket body Ⅱ61 respectively, and the specifications of the installed base Ⅰ52 and the base Ⅱ62 are larger than the specifications of the bracket body Ⅰ51 and the bracket body Ⅱ61. At the same time, in order to further improve the stability of the support, a number of support plates Ⅰ53 are installed on the circumferential side of one end of the bracket body Ⅰ51 close to the base Ⅰ52, and the bottom ends of the several support plates Ⅰ53 are fixedly installed on the base Ⅰ52; a number of support plates Ⅱ63 are installed on the circumferential side of one end of the bracket body Ⅱ61 close to the base Ⅱ62, and the bottom ends of the several support plates Ⅱ63 are fixedly installed on the base Ⅱ62; wherein a triangular structure is preferably used for the support plates Ⅰ53 and Ⅱ63.

[0051] When the composite material shell forming mold disclosed in the present application is used to form a product, the specific steps are as follows:

[0052] The first step is to perform paving on the core mold 1. During the paving process, the demoulding ring 3 can rotate to drive the rotation, and the core mold 1 can rotate to facilitate paving;

[0053] In the second step, after the paving is completed, the core mold 1 is removed, placed on a tape wrapping machine for tape wrapping, and then placed back on the bracket assembly I5 and the bracket assembly II6 for packaging.

[0054] The third step is to send the bracket assembly I5 and the bracket assembly II6 into the autoclave for curing.

[0055] Step 4: After the can is taken out at 60°C, the core mold 1 is removed and placed on a core stripping machine for demoulding.

[0056] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0057] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A composite material shell forming mold, characterized in that: include: A support mechanism, the support mechanism comprising a support assembly I (5) and a support assembly II (6); An intermediate rod (2), the intermediate rod (2) being connected to the support assembly I (5) and the support assembly II (6) via a connecting piece, and the intermediate rod (2) being rotatably connected in the connecting piece; A core mold (1), wherein the core mold (1) is sleeved on the intermediate rod (2), and the support assembly I (5) and the support assembly II (6) are respectively located on both sides of the core mold (1); A demoulding piece is provided at the demoulding end of the core mold (1), and the demoulding piece is sleeved on the intermediate rod (2). When the composite material is laid in the core mold (1), the demoulding piece is sleeved on the intermediate rod (2). When the composite material in the core mold (1) is laid and molded, the demoulding piece is sleeved on the intermediate rod (2) and fixedly mounted on the demoulding end of the core mold (1).

2. The composite material shell forming mold according to claim 1, characterized in that: The core mold (1) is a hollow structure.

3. The composite material shell forming mold according to claim 1, characterized in that: The connecting piece is a clamp (4), and the bracket assembly I (5) and the bracket assembly II (6) are respectively fixedly mounted with a clamp (4), and the intermediate rod (2) is inserted into the two clamps (4).

4. The composite material shell forming mold according to claim 1, characterized in that: The demoulding member is a demoulding ring (3), which is sleeved on the intermediate rod (2). When the composite material is laid in the core mold (1), the demoulding ring (3) is sleeved on the intermediate rod (2). When the composite material in the core mold (1) is laid and molded, the demoulding ring (3) is sleeved on the intermediate rod (2) and fixedly mounted on the demoulding end of the core mold (1).

5. The composite material shell forming mold according to claim 3, characterized in that: The support assembly I (5) comprises: Base I (52); A bracket body I (51), the bracket body I (51) is fixedly mounted on the base I (52), and a clamp (4) is fixedly mounted on the top of the bracket body I (51); Support plate I (53), a plurality of support plates I (53) are installed around one end of the bracket body I (51) close to the base I (52), and the bottom ends of the plurality of support plates I (53) are fixedly installed on the base I (52).

6. The composite material shell forming mold according to claim 3, characterized in that: The support assembly II (6) comprises: Base II (62); A support body II (61), the support body II (61) is fixedly mounted on the base II (62), and a clamp (4) is fixedly mounted on the top of the support body II (61); Support plate II (63), a plurality of support plates II (63) are installed around one end of the bracket body II (61) close to the base II (62), and the bottom ends of the plurality of support plates II (63) are fixedly installed on the base II (62).

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