Molding device

Abstract

The utility model belongs to the technical field of composite material part manufacturing, and discloses a forming device which comprises a combined mold and a demolding auxiliary mechanism, the combined mold comprises a main body module and a split module, the main body module is provided with a notch groove, and when the split module is contained in the notch groove, a composite material part can be sleeved on the main body module and the split module. The composite material part can be accurately formed according to the preset shape and size; a jacking piece of the demolding auxiliary mechanism is connected to a split module, when the composite material part is formed on a main body module and the split module in a sleeving mode, the jacking piece can drive the split module to drive the composite material part to be away from the main body module, and driving force output by the jacking piece is distributed on the whole surface, making contact with the split module, of the composite material part; and the problem that the composite material part is broken or deformed or the mold is damaged due to the fact that the local part is subjected to overlarge force can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of composite material parts manufacturing, in particular to a molding device. Background Art

[0002] Composite materials, with their high specific strength and stiffness, strong designability, excellent fatigue fracture resistance, corrosion resistance, dimensional stability, and ease of large-scale integral forming, have become one of the most important aviation structural materials. C-, V-, and H-shaped composite parts are commonly used in aircraft fuselages, wings, and vertical tails. These composite parts are often formed by laying them up, then curing them, and then demolding them.

[0003] However, since the composite part fits the mold tightly and has no demoulding taper, traditional demoulding methods are used at this time. Tools such as demoulding wedges and pry bars are inserted between the composite part and the mold, and a force is applied in the direction in which the composite part can be ejected to separate the composite part from the mold. This will not only damage the mold, but also easily deform the composite part during the demoulding process, resulting in unqualified composite parts or hidden dangers in the later use of the composite parts. Utility Model Content

[0004] The purpose of the utility model is to provide a molding device to solve the problems that composite material parts are prone to cracking and deformation during demoulding and the mold is easily damaged.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] The molding device comprises:

[0007] A combined mold, comprising a main module and a split module, wherein the main module has a notch groove, and when the split module is accommodated in the notch groove, a composite material part can be encapsulated and molded on the main module and the split module;

[0008] The demoulding auxiliary mechanism includes a lifting piece, which is connected to the split module. When the composite material part is wrapped and formed on the main module and the split module, the lifting piece can drive the split module to move the composite material part away from the main module.

[0009] Preferably, the groove wall of the notch groove includes a supporting wall and an inclined sliding wall, and the inclined sliding wall is connected to the supporting wall. When the split module is accommodated in the notch groove, the supporting wall can support the split module. When the lifting member drives the split module to move, the split module can move away from the main module along the inclined sliding wall.

[0010] Preferably, the demolding auxiliary mechanism also includes a main body, a rotating member and a rotating support. The lifting member and the rotating member are both connected to the main body. The rotating member is rotatably connected to the rotating support. When the rotating member rotates, it can drive the split module to move through the lifting member.

[0011] Preferably, the lifting member and the rotating member are both rod-shaped, and the axes of the lifting member and the rotating member are arranged at an angle.

[0012] Preferably, the lifting member and / or the rotating member are provided in plurality.

[0013] Preferably, the forming device further comprises a tooling platform, the main body module is connected to the tooling platform, and the rotating support is arranged on the tooling platform.

[0014] Preferably, a reverse thrust step is provided on the tooling platform, and the rotating support is installed on the reverse thrust step.

[0015] Preferably, the demoulding auxiliary mechanism further includes a holding member, and the holding member is connected to the main body.

[0016] Preferably, a connecting groove is provided on the split module, and the lifting member extends into the connecting groove.

[0017] Preferably, the split modules and the demoulding auxiliary mechanisms are provided in plurality, and each of the split modules corresponds to at least one demoulding auxiliary mechanism.

[0018] Beneficial effects of the utility model:

[0019] The utility model proposes a molding device, including a combined mold and a demolding auxiliary mechanism, the combined mold including a main module and a split module, the main module having a notch groove, when the split module is accommodated in the notch groove, the composite material part can be wrapped around the main module and the split module to ensure that the composite material part can be accurately molded according to a predetermined shape and size; the lifting piece of the demolding auxiliary mechanism is connected to the split module, when the composite material part is wrapped and molded on the main module and the split module, the lifting piece can drive the split module to drive the composite material part away from the main module, because the driving force output by the lifting piece is distributed on the entire surface of the contact between the composite material part and the split module, it can effectively avoid the composite material part from being cracked, deformed or damaged by the mold due to local excessive force, and when the composite material part is separated from the main module, the connection relationship between the composite material part and the split module is also relatively weakened, so that the composite material part can be easily removed from the split module, and the entire demolding process is completed on the basis of ensuring that the quality of the composite material part is qualified and the combined mold is not damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the forming device according to an embodiment of the present utility model;

[0021] Figure 2 It is a side view of the forming device according to an embodiment of the present utility model;

[0022] Figure 3 This is a schematic structural diagram of the demoulding auxiliary mechanism according to an embodiment of the present utility model at a first viewing angle;

[0023] Figure 4 This is a schematic structural diagram of the demoulding auxiliary mechanism according to an embodiment of the present utility model at a second viewing angle;

[0024] Figure 5 It is a partial structural diagram of the forming device described in an embodiment of the present utility model.

[0025] In the picture:

[0026] 1. Combined mold; 11. Main module; 12. Split module;

[0027] 2. Demolding auxiliary mechanism; 20. Main body; 21. Lifting member; 22. Rotating member; 23. Rotating support; 24. Gripping member;

[0028] 3. Tooling platform; 30. Reverse push step;

[0029] 100. Composite material parts. DETAILED DESCRIPTION

[0030] The following describes in detail embodiments of the present invention. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar components or components having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0031] In the description of this utility model, unless otherwise expressly specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed or detachable connections, mechanical or electrical connections, direct or indirect connections through an intermediate medium, and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0032] In the description of the present utility model, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0033] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0034] like Figure 1-Figure 5 As shown, the utility model provides a molding device for molding and demolding a composite part 100, including a combination mold 1 and a demolding auxiliary mechanism 2. The combination mold 1 includes a main module 11 and a split module 12. The main module 11 has a notch groove. When the split module 12 is accommodated in the notch groove, the composite part 100 can be wrapped and molded on the main module 11 and the split module 12; the demolding auxiliary mechanism 2 includes a lifting member 21. The lifting member 21 is connected to the split module 12. When the composite part 100 is wrapped and molded on the main module 11 and the split module 12, the lifting member 21 can drive the split module 12 to drive the composite part 100 away from the main module 11.

[0035] By providing a notch groove on the main module 11, when the split module 12 is accommodated in the notch groove, the composite material part 100 can be wrapped around the main module 11 and the split module 12, so as to ensure that the composite material part 100 can be accurately formed according to the predetermined shape and size; the lifting piece 21 of the demoulding auxiliary mechanism 2 is connected to the split module 12. When the composite material part 100 is wrapped and formed on the main module 11 and the split module 12, the lifting piece 21 can drive the split module 12 to drive the composite material part 100 away from the main module 11. The output driving force is distributed over the entire surface where the composite part 100 contacts the split module 12, which can effectively prevent the composite part 100 from being broken, deformed, or the mold from being damaged due to local excessive force. After the composite part 100 is separated from the main module 11, the connection relationship between the composite part 100 and the split module 12 is also relatively weakened, so that the composite part 100 can be easily removed from the split module 12, and the entire demolding process is completed on the basis of ensuring that the quality of the composite part 100 is qualified and the combined mold 1 is not damaged.

[0036] Specifically, the groove wall of the notch groove includes a supporting wall and an inclined sliding wall. The inclined sliding wall is connected to the supporting wall. When the split module 12 is accommodated in the notch groove, the supporting wall can support the split module 12. When the lifting member 21 drives the split module 12 to move, the split module 12 can move away from the main module 11 along the inclined sliding wall. The main function of the supporting wall is to provide stable support for the split module 12 to prevent it from sinking or shifting during the mold assembly process or the molding process of the composite part 100, ensuring that the composite part 100 can be accurately molded according to the predetermined shape and size; the setting of the inclined sliding wall provides a clear guide path for the split module 12 during the demolding process, which can prevent the split module 12 from causing unnecessary collision and damage to the main module 11 during the demolding process. At the same time, the split module 12 can move more smoothly along the inclined sliding wall, which is conducive to ensuring that the composite part 100 is subjected to a relatively uniform external force during the demolding process, thereby preventing it from experiencing quality problems such as cracking or deformation.

[0037] In this embodiment, threaded holes are provided at corresponding positions of the main module 11 and the split module 12. Bolts are passed through the threaded holes on the main module 11 and the split module 12 and nuts are tightened to strengthen the stability of the connection between the main module 11 and the split module, ensuring that the split module 12 is stably fixed in the notch groove of the main module 11, preventing the split module 12 from accidentally detaching during the transportation of the mold, and further preventing the composite material part 100 from sinking or shifting during the molding process.

[0038] In other embodiments, pin connection can also be used, and pin holes are respectively processed on the main module 11 and the split module 12, and pins are inserted into these pin holes to position and connect the two; card slots and card blocks can also be used for connection, and a card slot is set on the edge of the notch groove of the main module 11, and a corresponding card block is set on the split module 12, and the connection is achieved by inserting the card block into the card slot.

[0039] Specifically, if Figure 1 and Figure 2As shown, the demoulding auxiliary mechanism 2 also includes a main body 20, a rotating member 22 and a rotating support 23. The lifting member 21 and the rotating member 22 are both connected to the main body 20. The rotating member 22 is rotatably connected to the rotating support 23. When the rotating member 22 rotates, it can drive the split module 12 to move through the lifting member 21. The main body 20 serves as a connecting carrier for the lifting member 21 and the rotating member 22, making the structure of the demoulding auxiliary mechanism 2 more compact and the linkage better. Compared with direct rigid push-pull, the rotating member 22 is rotatably connected to the rotating support 23, and the change in force generated is relatively smooth and easy to control. This stable force can effectively avoid the phenomenon of composite material part 100 being broken or deformed due to excessive instantaneous impact force. At the same time, by screwing the rotating member 22, the displacement of the lifting member 21 can be more accurately controlled, thereby accurately controlling the movement of the split module 12 and improving the demoulding quality of the composite material part 100.

[0040] In this embodiment, a universal ball is provided on the rotating member 22, and a groove for accommodating the universal ball is provided on the rotating support 23, and there is a gap between the groove and the universal ball. This gap can ensure that the universal ball can rotate flexibly and stably in multiple directions. During the demolding process of the composite material part 100, if it is necessary to adjust the moving direction of the split module 12, the multi-directional rotation characteristics of the universal ball can well meet this requirement.

[0041] In other embodiments, a pin connection can be used to achieve rotation. Corresponding holes are respectively processed on the rotating member 22 and the rotating support 23, and a cylindrical pin is inserted into these two holes. The cylindrical pin can be a straight axis or have a certain fitting clearance to ensure that the rotating member 22 can rotate flexibly around the pin.

[0042] More specifically, both the lifting member 21 and the rotating member 22 are rod-shaped, with their axes arranged at an angle. This rod-shaped arrangement allows for high flexibility in the layout of the lifting member 21 and the rotating member 22 on the main member 20. These rod-shaped members can be installed on the main member 20 at various angles. Furthermore, the angled arrangement between the axes of the lifting member 21 and the rotating member 22 allows for changing the direction of rotational force transmission of the rotating member 22 within a limited or specific space, ensuring smooth demolding.

[0043] In this embodiment, the lifting member 21 and the rotating member 22 are both inserted through the main member 20, and the angle between the axes of the lifting member 21 and the rotating member 22 is 90 degrees. Structurally, this insertion connection allows the main member 20 to limit the lifting member 21 and the rotating member 22 from multiple directions, thereby ensuring good stability in the connection between the lifting member 21 and the rotating member 22 and the main member 20. In terms of force transmission, the insertion connection can reduce force loss and dispersion, achieving more direct and effective force transmission. In terms of installation and disassembly, the insertion connection is more direct and convenient. The lifting member 21 and the rotating member 22 only need to be inserted through the corresponding holes or channels of the main member 20 according to the design requirements to complete the connection. The lifting member 21 and the rotating member 22 can be pulled out in the opposite direction to complete the disassembly.

[0044] More specifically, in this embodiment, the lifting member 21 is rod-shaped and has a rod head connected to one end. When the lifting member 21 is inserted into the main body 20, the rod head abuts against one side of the main body 20, and a fixing member is sleeved on the lifting member 21, which abuts against the other side of the main body 20. The lifting member 21 is limited and fixed from both sides of the main body 20 by the rod head and the fixing member, thereby firmly connecting the lifting member 21 and the main body 20 together; the rotating member 22 is rod-shaped and has a rod head connected to one end. When the operator is performing the demolding operation, the rod head can provide a convenient operating point, so that the operator can apply external force to the lifting member 22 more accurately and conveniently.

[0045] Specifically, there are multiple lifting members 21 and / or rotating members 22. When multiple lifting members 21 are provided, force can be applied to the split module 12 from multiple points, avoiding the situation where local stress is too large due to relying on a single lifting member 21, and effectively preventing the parts from being locally deformed or damaged during the demolding process; multiple rotating members 22 can share the total demolding force, especially for large or complex composite parts 100 with high demolding difficulty, the required demolding force is relatively large. If only one rotating member 22 is relied upon, the rotating member 22 may be subjected to excessive force, resulting in damage to the part or failure to provide sufficient power. Multiple rotating members 22 can disperse the total demolding force, and each rotating member 22 only needs to bear a part of the force, thereby extending the service life of the part and ensuring the smooth progress of the demolding process.

[0046] like Figure 3 and Figure 4 As shown, in this embodiment, two lifting members 21 and two rotating members 22 are provided, and the main body 20 is a rectangular structure. The two lifting members 21 are respectively connected to the two ends of the main body 20 in the length direction, and the two rotating members 22 are also respectively connected to the two ends of the main body 20 in the length direction, forming a relatively symmetrical layout. This symmetrical distribution makes the entire demoulding auxiliary mechanism 2 have a certain balance in structure, which is conducive to the uniform transmission of force and the maintenance of overall stability during the demoulding operation.

[0047] In other embodiments, the number of the lifting members 21 and the rotating members 22 can be flexibly adjusted according to the sizes of the main member 20 and the split module 12 .

[0048] Specifically, if Figure 1 and Figure 2 As shown, the molding device further includes a tooling platform 3, to which the main module 11 is connected, and on which the rotating support 23 is disposed. The tooling platform 3 serves as the basic support structure of the entire molding device, providing a stable mounting base for the main module 11 and the rotating support 23. The tooling platform 3 withstands various pressures generated by the main module 11 during the molding process and the rotating support 23 during the demolding operation, ensuring that the entire device does not shake or shift during operation due to an unstable foundation, thereby ensuring the accuracy and reliability of operations such as molding and demolding.

[0049] More specifically, if Figure 5 As shown, the tooling platform 3 is provided with a reverse push step 30, and the rotating support 23 is installed on the reverse push step 30. The provision of the reverse push step 30 plays a guiding role in the installation of the rotating support 23. During installation, the operator can intuitively place the rotating support 23 on the reverse push step 30, just like placing a part into a specific slot. This guiding role reduces the number of times the position of the rotating support 23 is adjusted during the installation process, thereby improving installation efficiency.

[0050] In this embodiment, two reverse thrust steps 30 are provided. The reverse thrust steps 30 and the tooling platform 3 are an integrated structure. The rotating support 23 is provided on the reverse thrust plane of the reverse thrust step 30, and the bottom surface of the rotating support 23 is the same size as and completely fits with the reverse thrust plane. The main body module 11 is provided on the tooling plane of the tooling platform 3, and the reverse thrust plane and the tooling plane are provided at an angle. Specifically, the reverse thrust plane is inclined toward the combined mold 1, and the side facing the combined mold 1 is lower than the tooling plane, so that in addition to contacting the reverse thrust plane of the reverse thrust step 30, the rotating support 23 also abuts against the tooling platform 3 at one end facing the combined mold 1. During the demolding process, this structure can effectively resist various unstable factors such as shaking and tilting caused by the rotating support 23 being subjected to pressure from the rotating part 22. When the rotating support 23 is subjected to lateral force during rotation, the tooling platform 3 can provide lateral support to prevent the rotating support 23 from excessive displacement, ensuring that it always remains in a relatively stable position, thereby improving the stability of the demolding operation.

[0051] Specifically, if Figure 3 and Figure 4As shown, the demolding auxiliary mechanism 2 also includes a holding member 24, which is connected to the main body 20. When the main body 20 needs to be aligned with the reverse push step 30, the holding member 24 provides a convenient force point for the operator. The operator can use the holding member 24 to more effectively apply upward, downward or translational force to ensure that the main body 20 can be accurately placed on the reverse push step 30, thereby improving the installation accuracy.

[0052] In this embodiment, the grip 24 is disposed at the top of the main body 20. It has a trapezoidal structure, specifically consisting of two oblique side slats and a top side slat. The two oblique side slats are connected to the top of the main body 20 and extend diagonally upward from either side of the top of the main body 20. They connect to the top side slats parallel to the top of the main body 20, forming a trapezoidal frame. This trapezoidal structure of the grip 24 aligns with the natural gripping motion of the human hand. The operator's palm can be placed beneath the top side slats parallel to the top of the main body 20. When the operator applies force to the grip 24, the two oblique side slats effectively decompose the force and smoothly transmit it to the main body 20, thereby stably controlling the movement of the main body 20. Furthermore, the top side slats may be provided with a textured anti-slip sleeve, which effectively enhances friction between the hand and the top side slats, ensuring that the operator can stably and accurately control the force and direction of the operation, avoiding errors caused by hand slippage and improving operational safety and accuracy.

[0053] Specifically, a connecting groove is provided on the split module 12, and the lifting piece 21 extends into the connecting groove. The close fit between the connecting groove and the lifting piece 21 enables the force to be transmitted more efficiently. Almost all the force exerted on the lifting piece 21 is transmitted to the split module 12 through the connecting groove, ensuring that there is sufficient force to lift the split module 12, thereby improving the efficiency of demolding; at the same time, the side wall of the connecting groove can restrain the lifting piece 21, prevent the split module 12 from shaking and deviating, thereby enhancing the stability of the movement of the split module 12, and thus ensuring the quality of demolding.

[0054] Specifically, multiple split modules 12 and demolding assisting mechanisms 2 are provided, and each split module 12 corresponds to at least one demolding assisting mechanism 2. Since each split module 12 has at least one corresponding demolding assisting mechanism 2, precise operations can be performed during the demolding process based on the specific characteristics of each split module 12. Since different split modules 12 may have differences in shape, size, etc., the corresponding demolding assisting mechanisms 2 can be personalized according to these differences, such as adjusting the number of lifting members 21 and rotating members 22 accordingly, so as to better lift each split module 12.

[0055] In this embodiment, the molding and demoulding process of the composite material part 100 is as follows:

[0056] First, install the combined mold 1 on the tooling platform 3;

[0057] Then, the composite material part 100 is laid, cured, and unpacked, so that the composite material part 100 is encapsulated and formed in the main module 11 and the split module 12;

[0058] Then, align the rotating support 23 of the demoulding auxiliary mechanism 2 with the reverse push step 30 of the tooling platform 3, and extend the lifting member 21 into the connecting groove of the split module 12;

[0059] Next, remove the bolts and nuts connecting the main module 11 and the split module 12, and screw the rotating member 22 to transmit the pressure in the demoulding direction to the rotating support 23. The rotating support 23 is pressed against the tooling platform 3 to obtain a reverse thrust. By adjusting the direction of the pressure, the split module 12 is loosened. Continuous force is applied to cause the lifting member 21 to drive the split module 12 to move along the inclined sliding wall and gradually separate from the main module 11, thereby ejecting the composite part 100 upward.

[0060] Next, the composite material part 100 is removed from the split module 12;

[0061] Finally, the rotating member 22 is screwed to transfer the split module 12 to the main module 11, completing the assembly of the combined mold 1 and waiting for the next use.

[0062] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. A person skilled in the art will be able to make other variations or modifications based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A molding device for molding and demoulding a composite material part (100), characterized in that: include: A combined mold (1), the combined mold (1) comprising a main module (11) and a split module (12), the main module (11) having a notch groove, and when the split module (12) is accommodated in the notch groove, a composite material part (100) can be encapsulated and molded on the main module (11) and the split module (12); A demoulding auxiliary mechanism (2) includes a lifting member (21), wherein the lifting member (21) is connected to the split module (12), and when the composite material part (100) is encapsulated and molded on the main module (11) and the split module (12), the lifting member (21) can drive the split module (12) to move the composite material part (100) away from the main module (11).

2. The molding device according to claim 1, characterized in that The groove wall of the notch groove includes a supporting wall and an inclined sliding wall, wherein the inclined sliding wall is connected to the supporting wall. When the split module (12) is accommodated in the notch groove, the supporting wall can support the split module (12). When the lifting member (21) drives the split module (12) to move, the split module (12) can move away from the main module (11) along the inclined sliding wall.

3. The forming device according to claim 1, characterized in that The demoulding auxiliary mechanism (2) further comprises a main body (20), a rotating member (22) and a rotating support (23); the lifting member (21) and the rotating member (22) are both connected to the main body (20); the rotating member (22) is rotatably connected to the rotating support (23); and when the rotating member (22) rotates, it can drive the split module (12) to move via the lifting member (21).

4. The forming device according to claim 3, characterized in that The lifting member (21) and the rotating member (22) are both rod-shaped, and the axes of the lifting member (21) and the rotating member (22) are arranged at an angle.

5. The forming device according to claim 3, characterized in that: The lifting member (21) and / or the rotating member (22) are provided in plurality.

6. The forming device according to claim 3, characterized in that: The molding device further comprises a tooling platform (3), the main body module (11) is connected to the tooling platform (3), and the rotating support (23) is arranged on the tooling platform (3).

7. The forming device according to claim 6, characterized in that: A reverse thrust step (30) is provided on the tooling platform (3), and the rotating support (23) is mounted on the reverse thrust step (30).

8. The forming device according to claim 3, characterized in that The demoulding auxiliary mechanism (2) further comprises a holding member (24), wherein the holding member (24) is connected to the main body (20).

9. The forming device according to claim 1, characterized in that The split module (12) is provided with a connection groove, and the lifting member (21) extends into the connection groove.

10. The forming device according to any one of claims 1 to 9, characterized in that: The split modules (12) and the demoulding auxiliary mechanisms (2) are both provided in plurality, and each of the split modules (12) corresponds to at least one demoulding auxiliary mechanism (2).

Images