Integrated forming mold for pedal made of fiber composite material

Abstract

The utility model discloses an integral forming die for a pedal made of a fiber composite material, which meets the forming requirement of a pedal structure made of the fiber composite material and is suitable for uninterrupted continuous operation of industrial production. The first block, the second block and the third block are designed, and the connecting performance of the first lug structure, the second lug structure and the pedal rod body is guaranteed; the forming die is convenient to disassemble and assemble, simple to operate, light, flexible and convenient to carry, the application of the forming tool has low requirements on the operation level of operators, the operation is simple and convenient, the labor intensity of the operators is greatly reduced, and the forming die is simple and compact in overall structure, convenient to install and maintain, low in manufacturing cost and reliable in work; the forming die has general use requirements in the integral forming process of composite pedal type workpieces.

Description

Technical Field

[0001] The utility model relates to the technical field of fiber composite material forming, and particularly relates to a fiber composite pedal integrated forming die. Background Art

[0002] Fiber composite material is a high-performance new material. Compared with traditional metal materials, it has the advantages of high specific strength and specific stiffness. At the same time, according to the needs of the product and the characteristics of the force, the ply design can be carried out to lay out various curvatures and shapes of structures, and then give full play to the performance of the material. It has been widely used in aircraft structures.

[0003] At present, the cockpit pedal is as shown in Figure 1 and consists of a pedal rod body 1, a lug structure one 2 and a lug structure two 3 connected to the pedal rod body 1. However, the existing cockpit pedals mostly adopt metal structures or a combination of metal and composite materials, and there are certain disadvantages in terms of service life and lightweight compared with all-fiber composite materials. Summary of the Invention

[0004] The purpose of the utility model is to provide a fiber composite pedal integrated forming die to replace the existing metal structure so as to improve the service life and lightweight requirements of the pedal.

[0005] To solve the above technical problems, the utility model provides a fiber composite pedal integrated forming die, which includes an upper die and a lower die;

[0006] Corresponding forming cavities are opened in the upper die and the lower die for forming the pedal rod body of the pedal part;

[0007] A combined block one and a block two are arranged in the lower die, and the lug structure one of the pedal part is formed by the block one and the block two;

[0008] A block three is arranged in the lower die, and the lug structure two of the pedal part is formed by the block three.

[0009] Preferably, a first placement groove is opened in the lower die for simultaneously placing the block one and the block two.

[0010] Preferably, the first placement groove straddles the forming cavity of the lower die so that the lug structure one and the pedal rod body are integrally formed.

[0011] Preferably, a first ply area is opened between the block one and the block two for laying the ply of the lug structure one.

[0012] Preferably, a second placement groove is opened in the lower die for placing the block three.

[0013] Preferably, the second placement groove is formed in the molding cavity of the lower mold, so that the earpiece structure two and the pedal rod body are integrally formed.

[0014] Preferably, a second layup area is provided in the third block for laying up the earpiece structure two.

[0015] Preferably, an upper half layup of the rod body is laid up in the molding cavity of the upper mold, and a lower half layup of the rod body is laid up in the molding cavity of the lower mold; the upper half layup of the rod body and the lower half layup of the rod body overlap with each other to form a cylindrical pedal rod body;

[0016] An airbag is placed in the cylindrical inner cavity formed by the overlap of the upper half layup of the rod body and the lower half layup of the rod body, and the inner part of the pedal rod body is supported by the inflated airbag.

[0017] Preferably, an air charging and discharging hole is formed in the upper mold and the lower mold, and the air charging and discharging hole is communicated with the airbag for charging and discharging the airbag.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] 1. In the present utility model, the first block and the second block are combined and designed to form the earpiece structure one of the pedal part, ensuring the connection performance between the earpiece structure one and the pedal rod body;

[0020] 2. In the present utility model, the third block forms the earpiece structure two of the pedal part, ensuring the connection performance between the earpiece structure two and the pedal rod body;

[0021] 3. The molding die of the present utility model meets the molding requirements of the fiber composite material pedal structure and is suitable for continuous operation in industrial production without interruption; the first block, the second block and the third block are designed to ensure the connection performance between the earpiece structure one, the earpiece structure two and the pedal rod body; the molding die is convenient to disassemble and assemble, simple to operate, easy to carry, and the application of the molding tooling has low requirements for the operation level of the operator, is easy to operate, greatly reduces the labor intensity of the operator, the overall structure of the molding die is simple and compact, easy to install and maintain, low in manufacturing cost, reliable in work, and the molding die has a general demand in the process of integrally molding composite material pedal-like parts. Description of the Drawings

[0022] Figure 1 is a schematic diagram of the fiber composite material pedal structure provided by the present utility model;

[0023] Figure 2 is a schematic diagram of the structure of the integral molding die of the fiber composite material pedal provided by the present utility model;

[0024] Figure 3 is a schematic diagram of the structure of the lower mold of the integral molding die of the fiber composite material pedal provided by the present utility model;

[0025] Figure 4 It is a schematic structural diagram of the upper die of the integrally formed mold for fiber composite pedals provided by the present utility model;

[0026] Figure 5 It is a connection schematic diagram of the first block and the second block provided by the present utility model;

[0027] Figure 6 It is a schematic internal structure diagram of the first block provided by the present utility model;

[0028] Figure 7 It is a connection schematic diagram of the third block provided by the present utility model;

[0029] Figure 8 It is a schematic internal structure diagram of the third block provided by the present utility model;

[0030] Figure 9 It is a laying schematic diagram of the second earpiece structure on the third block provided by the present utility model;

[0031] Figure 10 It is a schematic cross-sectional diagram of the pedal rod body layup provided by the present utility model.

[0032] In the figure: 1, pedal rod body; 2, first earpiece structure; 3, second earpiece structure; 10, upper die; 20, lower die; 30, first block; 40, second block; 50, third block; 60, airbag; 70, air charging and discharging hole; 100, forming cavity; 201, first placement groove; 202, second placement groove; 501, second layup area; 11, upper half layup of the rod body; 12, lower half layup of the rod body. Specific Embodiments

[0033] The following is a further detailed description of the present utility model in conjunction with the accompanying drawings and specific embodiments. According to the following description and the claims, the advantages and features of the present utility model will be clearer. It should be noted that the accompanying drawings are all in a very simplified form and use non-precise scales, only for the purpose of facilitating and clearly assisting in explaining the embodiments of the present utility model.

[0034] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are 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 orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0035] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0036] In addition, the features, operations, and characteristics described in the specification can be combined in any suitable manner to form various embodiments. Similarly, the steps or actions described in the method can also be adjusted in sequence in a manner that can be easily seen by those skilled in the art. Therefore, the various sequences in the specification and the drawings are only for clearly describing a certain embodiment, rather than being a sequence that must be followed, unless it is stated that a certain sequence must be followed. Embodiment

[0037] The present utility model provides a one-piece forming mold for a fiber composite pedal. Please refer to Figures 2-4 , which includes an upper mold 10 and a lower mold 20; corresponding forming cavities 100 are provided in the upper mold 10 and the lower mold 20 for forming the pedal rod body 1 of the pedal part; a combined block one 30 and a block two 40 are provided in the lower mold 20, and the lug structure one 2 of the pedal part is formed by the block one 30 and the block two 40; a block three 50 is provided in the lower mold 20, and the lug structure two 3 of the pedal part is formed by the block three 50.

[0038] In the present utility model, the first block and the second block are combinedly designed to form the first lug structure of the pedal part, ensuring the connection performance between the first lug structure and the pedal rod body; the third block forms the second lug structure of the pedal part, ensuring the connection performance between the second lug structure and the pedal rod body.

[0039] Specifically, please refer to Figure 5 and Figure 6 simultaneously. A first placement groove 201 is formed in the lower mold 20 for simultaneously placing the first block 30 and the second block 40; the first placement groove 201 straddles the forming cavity 100 of the lower mold 20, so that the first lug structure 2 and the pedal rod body 1 are integrally formed; a first laying area is formed between the first block 30 and the second block 40 for laying the ply of the first lug structure 2.

[0040] Specifically, please refer to Figures 7-9 simultaneously. A second placement groove 202 is formed in the lower mold 20 for placing the third block 50; the second placement groove 202 is formed in the forming cavity 100 of the lower mold 20, so that the second lug structure 3 and the pedal rod body 1 are integrally formed; a second laying area 501 is formed in the third block 50 for laying the ply of the second lug structure 3.

[0041] Specifically, as shown in Figure 10 , an upper half ply 11 of the rod body is laid in the forming cavity 100 of the upper mold 10, and a lower half ply 12 of the rod body is laid in the forming cavity 100 of the lower mold 20; the upper half ply 11 of the rod body and the lower half ply 12 of the rod body overlap each other to form a cylindrical pedal rod body 1; an air bag 60 is placed in the cylindrical inner cavity formed by the overlap of the upper half ply 11 of the rod body and the lower half ply 12 of the rod body, and the inside of the pedal rod body 1 is supported by the inflated air bag 60.

[0042] Specifically, air charging and discharging holes 70 are formed in the upper mold 10 and the lower mold 20, and the air charging and discharging holes 70 are communicated with the air bag 60 for charging and discharging the air bag 60.

[0043] The forming mold of the present utility model meets the forming requirements of the fiber composite material pedal structure and is suitable for continuous operation in industrial production without interruption; the first block, the second block and the third block are designed to ensure the connection performance between the first lug structure, the second lug structure and the pedal rod body; the forming mold is convenient to disassemble and assemble, simple to operate, light and flexible to carry, the application of the forming tooling has low requirements for the operation level of the operator, the operation is simple, greatly reducing the labor intensity of the operator, the overall structure of the forming mold is simple and compact, convenient for installation and maintenance, low in manufacturing cost, reliable in work, and the forming mold has a general use demand in the integral forming process of composite material pedal-like parts.

[0044] The forming method of the integrally formed mold of the fiber composite pedal using the present utility model is as follows:

[0045] Step A: First, preheat for 30 minutes to preheat the upper mold 10 and the lower mold 20 to 50 °C;

[0046] Step B: Lay the laminate of the earpiece structure 2 in the first laying area of the first block 30, leaving a margin of 20 - 25 mm on one side edge close to the pedal rod body 1, and place 1 mm thick foaming glue outside the laminate of the pedal rod body 1 to provide expansion pressure and ensure product quality;

[0047] Step C: Then combine the first block 30 and the second block 40 and place them in the first placement groove 201 of the lower mold 20;

[0048] Step D: Lay the laminate of the earpiece structure 3 in the second laying area 501 of the third block 50, and place 1 mm thick foaming glue outside the laminate of the pedal rod body 1 to provide expansion pressure and ensure product quality;

[0049] Step E: Then lay the lower half laminate 12 of the rod body in the forming cavity 100 of the lower mold 20, leaving 10 - 15 mm flanges on both sides of the lower half laminate 12 of the rod body, and form a lap joint with the earpiece structure 2 and the earpiece structure 3;

[0050] Step F: Then lay the upper half laminate 11 of the rod body in the forming cavity 100 of the upper mold 10, and trim the edge of the upper half laminate 11 of the rod body along the upper mold 10;

[0051] Step G: Then close the upper mold 10 and the lower mold 20 and place them in a press;

[0052] Step H: The pressing pressure T of the press > the internal bag air pressure P * the product projection area S to ensure that the external pressure > the internal pressure;

[0053] Step I: Pressurize the air bag 60 through the air charging and discharging hole 70 to more than 0.6 Mpa and keep the internal pressure stable;

[0054] Step J: Raise the temperature to 145 ± 5 °C and cure by heating for 2 hours;

[0055] Step K: After curing is completed, lower the mold temperature below 60 °C; Open the mold, remove the first block 30, the second block 40 and the third block 50 to obtain the pedal workpiece.

[0056] The forming die of the present utility model meets the forming requirements of the fiber composite pedal structure and is suitable for continuous operation without interruption in industrial production; the first block, the second block and the third block are designed to ensure the connection performance between the first lug structure, the second lug structure and the pedal rod body; the forming die is convenient to disassemble and assemble, simple to operate, easy to carry, and the application of the forming tooling has low requirements for the operation level of operators, is easy to operate, greatly reduces the labor intensity of operators, the overall structure of the forming die is simple and compact, convenient for installation and maintenance, low in manufacturing cost, reliable in work, and the forming die has a general use demand in the integral forming process of composite material pedal parts.

[0057] The above description is only a description of the preferred embodiments of the present utility model and does not limit the scope of the present utility model in any way. Any changes and modifications made by those of ordinary skill in the art of the present utility model according to the above disclosure shall fall within the protection scope of the claims.

Claims

1. A one-piece molding die for a fiber composite pedal, characterized in that, It includes an upper mold (10) and a lower mold (20); Corresponding forming cavities (100) are provided in the upper mold (10) and the lower mold (20) for forming the pedal rod body (1) of the pedal part; A combined block one (30) and a block two (40) are provided in the lower mold (20), and the lug structure one (2) of the pedal part is formed by the block one (30) and the block two (40); A block three (50) is provided in the lower mold (20), and the lug structure two (3) of the pedal part is formed by the block three (50).

2. The integrated molding die for fiber composite pedals according to claim 1, characterized in that, A first placement groove (201) is provided in the lower mold (20) for simultaneously placing the block one (30) and the block two (40).

3. The one-piece forming mold for a fiber composite pedal according to claim 2, wherein, The first placement groove (201) straddles the forming cavity (100) of the lower mold (20) so that the lug structure one (2) and the pedal rod body (1) are integrally formed.

4. The one-piece molding die for a fiber composite material pedal according to claim 3, wherein, A first laying area is provided between the block one (30) and the block two (40) for laying the layers of the lug structure one (2).

5. The integrated molding die for the fiber composite pedal according to claim 1, characterized in that, A second placement groove (202) is provided in the lower mold (20) for placing the block three (50).

6. The one-piece forming mold for fiber composite pedals according to claim 5, characterized in that, The second placement groove (202) is provided in the forming cavity (100) of the lower mold (20) so that the lug structure two (3) and the pedal rod body (1) are integrally formed.

7. The one-piece molding die for a fiber composite pedal according to claim 6, characterized in that A second laying area (501) is provided in the block three (50) for laying the layers of the lug structure two (3).

8. The integrated molding die for fiber composite pedals according to claim 1, characterized in that, An upper half layer of the rod body (11) is laid in the forming cavity (100) of the upper mold (10), and a lower half layer of the rod body (12) is laid in the forming cavity (100) of the lower mold (20); the upper half layer of the rod body (11) and the lower half layer of the rod body (12) overlap each other to form a cylindrical pedal rod body (1); An air bag (60) is placed in the cylindrical inner cavity formed by the overlap of the upper half layer of the rod body (11) and the lower half layer of the rod body (12), and the interior of the pedal rod body (1) is supported by the inflated air bag (60).

9. A one-piece molding die for a fiber composite pedal, characterized in that, An air charging / discharging hole (70) is provided in the upper mold (10) and the lower mold (20), and the air charging / discharging hole (70) is communicated with the air bag (60) for charging / discharging the air bag (60).

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