Foam sandwich composite material support forming die

Abstract

The utility model relates to the technical field of hot press forming, and discloses a foam sandwich composite material support forming die which comprises a first module, a second module, a third module and a fourth module, the second module is arranged at one end of the top of the first module, and the fourth module is arranged at the front end of the second module. The third modules are symmetrically arranged on the two sides of the fourth module, and the third modules are fixedly connected with the first module and the second module respectively. The first module, the second module, the third module and the fourth module are combined to form an inner mold cavity, and the problems that most existing molds are of an integrated structure, operation is not easy when a model of a complex structure is demolded, and demolding is difficult are solved.

Description

Technical Field

[0001] The utility model patent relates to the technical field of hot pressing molding, specifically, to a foam sandwich composite material bracket molding mold. Background Art

[0002] The Chinese patent with the publication number CN208930775U discloses a composite material bracket forming mold, including: a main cavity and a top cover, which are used to form the main structure of the bracket; a first sub-cavity and a first insert and a second insert, a first gap is formed between the two, and the first gap is used to form a first connecting plate structure on one side of the end of the main structure; a second sub-cavity and a third insert, a third gap is formed between the third insert and the top cover, and the third gap is used to form a second connecting plate structure on the same side as the first connecting plate structure; two parallel branch cavities are arranged on the other side of the main cavity, and a fourth insert in the shape of a cuboid is arranged at the end, and a hollow quadrangular prism is formed between one end of the fourth insert and the main cavity and the top cover, which is used to form a space on the bracket to accommodate the end of the support member. Through the utility model, a bracket structure with light weight and high strength can be obtained, and the support installation of the skirt board and the reinforcement of the entire equipment cabin can be realized at the same time.

[0003] However, most existing molds are of one-piece structure, which makes demoulding difficult for complex structure models. Utility Model Content

[0004] The utility model aims to provide a foam sandwich composite material bracket forming mold, aiming to solve the problem that the existing molds are mostly one-piece structures, which are not easy to operate and difficult to demould when facing complex structure models.

[0005] The utility model is implemented as follows: a foam sandwich composite material bracket forming mold comprises a first module, a second module, a third module and a fourth module, wherein the second module is arranged at one end of the top of the first module, the fourth module is arranged at the front end of the second module, the third module is symmetrically arranged at both sides of the fourth module, and the third module is respectively fastened to the first module and the second module.

[0006] The first module, the second module, the third module and the fourth module are combined to form an inner membrane cavity.

[0007] The second module comprises a hanging ring, a protrusion and a clamping groove, the two hanging rings are symmetrically arranged on the top of the second module, the protrusion is fixed to the front end of the second module, and the clamping groove is symmetrically arranged on both sides of the protrusion.

[0008] The third module includes a stopper, an arc groove and a clamping block. The arc groove is placed at the rear end of the third module. The arc groove is clamped with the protrusion. The clamping blocks are symmetrically placed on both sides of the arc groove. The clamping blocks are clamped with the inside of the clamping groove. The stopper is placed at the front end of the third module.

[0009] It also includes positioning pins, which are inserted into the positioning holes of the third module and the first module.

[0010] The invention also includes bolts, which respectively fasten and connect the first module and the second module, the first module and the third module, and the second module and the third module.

[0011] The front end of the second module, the top of the first module, and the inner side of the third module are paved with a lower skin.

[0012] Inner stoppers are fixedly connected to both sides of the fourth module, and an upper skin is paved on one side of the fourth module close to the inner film cavity.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The first module serves as the base of the mold, providing stable support and positioning to ensure the accuracy of the molding process.

[0015] The second module is easy to carry and position through the lifting ring. The design of the protrusion and the card slot enhances the connection stability between the modules and ensures the firmness of the overall structure of the mold.

[0016] The third module block plays a blocking and fixing role to prevent the material from shifting during the molding process; the matching snap-fit ​​between the arc groove and the protrusion provides a flexible connection method, which is convenient for assembly and disassembly; the snap-fit ​​between the snap-fit ​​block and the snap-fit ​​groove ensures a close fit between the modules and improves the molding accuracy.

[0017] The inner baffle of the fourth module provides additional support and enhances the stability of the mold; the laying of the upper skin provides a smooth molding surface, which helps to achieve a high-quality product appearance.

[0018] The locating pins are inserted into the locating holes of the third module and the first module to ensure the precise alignment of the various parts of the mold and improve the molding accuracy. The bolts provide stability and durability of the mold structure by fastening the modules together, ensuring that the shape and size are consistent during repeated use.

[0019] The lower skin is laid on the front end of the second module, the top of the first module, and the inside of the third module, providing a good adhesion surface for the composite material, which is conducive to the uniform distribution and molding of the composite material. The upper skin is laid on the side of the fourth module close to the inner membrane cavity, and works together with the lower skin to ensure the integrity and molding quality of the composite material. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a foam sandwich composite material bracket forming mold of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the third module in a foam sandwich composite material bracket forming mold of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the second module in a foam sandwich composite material bracket forming mold of the utility model;

[0023] Figure 4 The utility model is a structural schematic diagram of a foam bracket in a foam sandwich composite material bracket forming mold.

[0024] Reference numerals:

[0025] 1. First module; 2. Second module; 3. Third module; 4. Fourth module; 5. Lifting ring; 6. Bump; 7. Snap-in groove; 8. Inner baffle; 9. Foam bracket; 10. Upper skin; 11. Lower skin; 12. Block; 13. Arc groove; 14. Snap-in block. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] The implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0028] like Figure 1-4 As shown, the utility model provides a foam sandwich composite material bracket forming mold, including a first module 1, a second module 2, a third module 3 and a fourth module 4, the second module 2 is placed at the top end of the first module 1, the fourth module 4 is placed at the front end of the second module 2, the third module 3 is symmetrically placed on both sides of the fourth module 4, and the third module 3 is fastened to the first module 1 and the second module 2 respectively.

[0029] The first module 1 serves as the base of the mold, providing stable support and positioning, ensuring the accuracy of the molding process, and better forming and demoulding the foam bracket 9.

[0030] The first module 1 , the second module 2 , the third module 3 and the fourth module 4 are combined to form an inner film cavity.

[0031] The second module 2 includes a lifting ring 5 , a protrusion 6 and a clamping groove 7 . The two lifting rings 5 ​​are symmetrically placed on the top of the second module 2 . The protrusion 6 is fixed to the front end of the second module 2 . The clamping groove 7 is symmetrically opened on both sides of the protrusion 6 .

[0032] The second module 2 is conveniently carried and positioned by means of the lifting ring 5 , and the design of the protrusion 6 and the clamping groove 7 enhances the connection stability between the modules and ensures the firmness of the overall structure of the mold.

[0033] The third module 3 includes a stopper 12, an arc groove 13 and a clamping block 14. The arc groove 13 is placed at the rear end of the third module 3. The arc groove 13 is clamped with the protrusion 6. The clamping blocks 14 are symmetrically placed on both sides of the arc groove 13. The clamping blocks 14 are clamped with the inside of the clamping groove 7. The stopper 12 is placed at the front end of the third module 3.

[0034] The stopper 12 of the third module 3 plays a blocking and fixing role to prevent the material from shifting during the molding process; the matching snap-fit ​​between the arc groove 13 and the protrusion 6 provides a flexible connection method, which is convenient for assembly and disassembly; the snap-fit ​​between the snap-fit ​​block 14 and the snap-fit ​​groove 7 ensures a close fit between the modules and improves the molding accuracy.

[0035] It also includes positioning pins, which are inserted into the positioning holes of the third module 3 and the first module 1 .

[0036] By inserting into the positioning holes of the third module 3 and the first module 1, the precise alignment of the various parts of the mold is ensured, and the molding accuracy is improved. By fastening the modules together, the stability and durability of the mold structure are provided, ensuring that the shape and size consistency is maintained during repeated use.

[0037] The invention also includes bolts, which respectively fasten and connect the first module 1 and the second module 2, the first module 1 and the third module 3, and the second module 2 and the third module 3.

[0038] The front end of the second module 2 , the top of the first module 1 , and the inner side of the third module 3 are paved with a lower skin 11 .

[0039] Paving at the front end of the second module 2, the top of the first module 1, and the inner side of the third module 3 provides a good adhesion surface for the composite material, which is conducive to the uniform distribution and molding of the composite material.

[0040] Inner baffles 8 are fixedly connected to both sides of the fourth module 4 , and an upper skin 10 is laid on one side of the fourth module 4 close to the inner film cavity.

[0041] It is laid on the side of the fourth module 4 close to the inner film cavity and works together with the lower skin 11 to ensure the integrity and molding quality of the composite material.

[0042] The inner baffle 8 provides additional support and enhances the stability of the mold; the laying of the upper skin 10 provides a smooth molding surface, which helps to obtain a high-quality product appearance.

[0043] The working steps of the utility model are:

[0044] 1. Install the first module 1, the second module 2, the third module 3 and the fourth module 4 first, put the positioning pin first, and then tighten the bolts to ensure accurate mold positioning and stable product size.

[0045] 2. Lay the lower skin 11 and foam on the module installed in the first step, the inner baffle 8 limits the product size, and lay the lower skin 11 on the second module 2 at the same time;

[0046] 3. Clamp the mold. The third module 3 and the fourth module 4 are clamped. First, the positioning pins are inserted, and then the bolts are tightened to form a female mold structure.

[0047] 4. Fix the upper skin 10 and make sure it fits the foam;

[0048] 5. After encapsulation, the product enters the autoclave for curing. Use the temperature measuring hole to measure when the mold is heated to near the gel point and keep it warm for 30 minutes. At this time, the resin fluidity on the product is better;

[0049] 6. Continue heating and heat preservation to solidify;

[0050] 7. Cool to room temperature, demould and trim to obtain the product.

[0051] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0052] As shown in the drawings, a preferred embodiment of the present invention is provided.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A foam sandwich composite material bracket forming mold, characterized in that: It includes a first module, a second module, a third module and a fourth module. The second module is placed at the top end of the first module, the fourth module is placed at the front end of the second module, the third module is symmetrically placed on both sides of the fourth module, and the third module is respectively fastened to the first module and the second module.

2. A foam sandwich composite material bracket forming mold according to claim 1, characterized in that: The first module, the second module, the third module and the fourth module are combined to form an inner membrane cavity.

3. A foam sandwich composite material bracket forming mold according to claim 2, characterized in that: The second module comprises a hanging ring, a protrusion and a clamping groove, the two hanging rings are symmetrically arranged on the top of the second module, the protrusion is fixed to the front end of the second module, and the clamping groove is symmetrically arranged on both sides of the protrusion.

4. A foam sandwich composite material bracket forming mold according to claim 3, characterized in that: The third module includes a stopper, an arc groove and a clamping block. The arc groove is placed at the rear end of the third module. The arc groove is clamped with the protrusion. The clamping blocks are symmetrically placed on both sides of the arc groove. The clamping blocks are clamped with the inside of the clamping groove. The stopper is placed at the front end of the third module.

5. A foam sandwich composite material bracket forming mold according to claim 4, characterized in that: It also includes positioning pins, which are inserted into the positioning holes of the third module and the first module.

6. A foam sandwich composite material bracket forming mold according to claim 5, characterized in that: The invention also includes bolts, which respectively fasten and connect the first module and the second module, the first module and the third module, and the second module and the third module.

7. A foam sandwich composite material bracket forming mold according to claim 6, characterized in that: The front end of the second module, the top of the first module, and the inner side of the third module are paved with a lower skin.

8. The foam sandwich composite material bracket forming mold according to claim 7, characterized in that: Inner stoppers are fixedly connected to both sides of the fourth module, and an upper skin is paved on one side of the fourth module close to the inner film cavity.

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