Missile wing compression molding mold

Abstract

The utility model discloses a missile wing compression molding forming mold which comprises a first mold, a second mold, a third mold and a fourth mold. A second forming concave cavity is formed in the second mold; baffles are arranged at the two ends of the interior of the first forming cavity and the two ends of the interior of the second forming cavity, and the first mold and the second mold form a missile wing forming cavity with the baffles after being closed. The top of the baffle is located in the first forming cavity, the bottom of the baffle is located in the second forming cavity and connected with the second mold through an elastic component, and mold pressing or mold opening of the missile wing is achieved through fixing or popping of the baffle. According to the utility model, the baffle plate is popped out through the elastic force of the elastic component to drive the missile wing to be separated from the mold together without an additional drawing tool or operation, so that the production cost and the operation difficulty are reduced.

Description

Technical Field

[0001] This application relates to a wing molding die, belonging to the field of wing molding technology. Background Technology

[0002] Compression molding is a crucial processing method in the manufacturing of carbon fiber composite missile wings. It offers advantages such as high production efficiency, dimensional stability, and smooth surface finish, making it particularly suitable for molding complex shapes and large products. During compression molding, the mold is a key factor, directly impacting the accuracy, consistency, and efficiency of the finished product. Missile wing compression molding molds typically employ a simple two-part structure, consisting of an upper mold and a lower mold. In the compression molding process, the upper and lower molds close to form a closed molding cavity for filling and curing the composite material. Traditional mold designs require significant time for mold opening and replacement, necessitating external force or specialized tools, increasing operational difficulty and production costs, and reducing production efficiency. Utility Model Content

[0003] According to one aspect of this application, a wing molding die is provided, in which a baffle is ejected by the elastic force of an elastic component, causing the wing to be ejected from the die together, without the need for additional demolding tools or operations, thereby reducing production costs and operational difficulty.

[0004] A wing molding die, characterized in that it comprises:

[0005] A first mold, wherein a first forming cavity is formed on the first mold;

[0006] The second mold has a second forming cavity.

[0007] The first molding cavity and the second molding cavity are provided with baffles at both ends. After the first mold and the second mold are closed, they form a molding cavity with the baffles.

[0008] The top of the baffle is located in the first molding cavity, and the bottom of the baffle is located in the second molding cavity and is connected to the second mold through an elastic component. The molding or unmolding of the wing is achieved by fixing or popping out the baffle.

[0009] Furthermore, the second mold is provided with a first groove, which is located on both sides of the second forming cavity. The two sides of the baffle are located in the first groove near the bottom. The bottom of the baffle is connected to the top of the first groove by a first spring. The two sides of the baffle are provided with a stop block, which is connected to the baffle by a second spring. The two sides of the first groove are provided with a second groove, and the position of the second groove corresponds to the stop block.

[0010] The baffle has a third groove on both sides near the bottom, the third groove corresponds to the position of the second groove, and the stop block is installed in the third groove by a second spring.

[0011] Furthermore, the top of the first groove is provided with an extension groove that extends toward the middle of the second forming groove;

[0012] The side wall of the baffle is provided with an extension plate corresponding to the extension groove. When the wing is in a molding state, the extension plate is located in the extension groove, and the end of the wing is located on the extension plate.

[0013] Furthermore, multiple first springs are provided, and the multiple first springs are evenly distributed between the baffle and the first groove.

[0014] Furthermore, both the first mold and the second mold have built-in heating pipes;

[0015] The heating pipeline includes alternating crisscrossing heating pipes, which are connected to the outside.

[0016] Furthermore, the first mold and the second mold are connected by several mounting plates;

[0017] The mounting plates are evenly distributed at the closed areas around the first template and the second template, and the mounting plates are installed on the first template and the second template by fasteners.

[0018] The beneficial effects that this application can produce include:

[0019] The present application provides a wing molding die, in which a baffle is provided inside the molding cavity. After the first mold and the second mold are closed, they form a molding cavity for the wing with the baffle. The top of the baffle is located in the first molding cavity, and the bottom of the baffle is located in the second molding cavity and is connected to the second mold through an elastic component. The molding or unmolding of the wing is achieved by fixing or popping out the baffle. Through the molding cavity and the baffle, the shape and size of the wing can be precisely controlled during the molding process. At the same time, the introduction of the elastic component allows the baffle to be reset during the unmolding process. The baffle pops out by the elastic force of the elastic component, driving the wing to be removed from the mold together. No additional mold release tools or operations are required, which reduces production costs and operational difficulty. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a wing compression molding die according to one embodiment of this application;

[0021] Figure 2 This is a schematic diagram of the internal structure of a wing compression molding die in one embodiment of this application. Figure 1 ;

[0022] Figure 3 This is a schematic diagram of the internal structure of a wing compression molding die in one embodiment of this application. Figure 2 ;

[0023] Figure 4 This is a schematic diagram of the installation structure of the baffle in a wing compression molding die according to one embodiment of this application;

[0024] List of components and reference numerals: 1-First mold; 2-Second mold; 3-Second forming cavity; 4-Baffle; 5-First groove; 6-First spring; 7-Stop block; 8-Second spring; 9-Second groove; 10-Extension groove; 11-Extension plate; 12-Heating line; 13-Mounting plate; 14-Lifting ring hole; 15-Vacuum line; 16-Vacuum nozzle; 17-Vacuum hole; 18-Third groove. Detailed Implementation

[0025] The present application is described in detail below with reference to the embodiments, but the present application is not limited to these embodiments.

[0026] Figure 1-3 A wing molding die, characterized in that it comprises:

[0027] First mold 1, the first mold 1 having a first forming cavity;

[0028] The second mold 2 has a second forming cavity 3.

[0029] The first molding cavity and the second molding cavity 3 are provided with baffles 4 at both ends. After the first mold 1 and the second mold 2 are closed, they form a molding cavity with the baffles 4.

[0030] The top of the baffle 4 is located in the first molding cavity, and the bottom of the baffle is located in the second molding cavity 3 and is connected to the second mold 2 through an elastic component. The molding or unmolding of the wing is achieved by fixing or popping out the baffle 4.

[0031] Specifically, the first mold has a first forming cavity, the shape and size of which match a portion of the wing, providing forming space for that portion of the wing during molding. The second mold has a second forming cavity, corresponding to the first forming cavity, together forming the complete forming space of the wing. When the first and second molds are closed, the two cavities combine to form the final shape of the wing. Baffles are located at both ends inside the first and second forming cavities. These baffles, together with the first and second molds, form the forming cavity of the wing when the molds are closed. The baffles not only help maintain the shape and dimensional stability of the forming cavity but also facilitate demolding through their mobility. An elastic component is connected to one end of the baffle and fixed to the second mold. When the molds are closed, the elastic component is compressed; when the molds are opened, pressure is applied to the baffle, causing the elastic component to release energy and push the baffle out, thereby helping the wing to easily exit the mold.

[0032] It is worth noting that the preheated material is placed into the first forming cavity of the first mold, and then the second mold is closed. At this time, the baffle is pressed between the two molds, forming the forming cavity of the wing together with the mold. By applying pressure, the material is pressed into the shape of the wing; after molding is completed, the second mold is opened. Pressure is applied to the baffle, and due to the action of the elastic component, one end of the baffle pops out from the second forming cavity, pulling the wing out of the mold together. In this way, the wing can be easily demolded without additional demolding tools or operations, achieving rapid demolding of the wing and greatly improving production efficiency.

[0033] Simultaneously, before mold closing, during the laying process, the upper skin is first laid on the first forming cavity of the first mold. Assuming the upper skin of the product is 1mm thick and the carbon fiber prepreg is 0.15mm thick per layer, a total of 7 layers of carbon fiber prepreg are laid, layer by layer according to the shape of the mold cavity to form the upper skin. The lower skin is laid on the second forming cavity of the second mold, generally in the same way as the upper skin material, and the same thickness. Foam is filled between the upper and lower skins. The foam is pre-processed according to the digital mold shape. After the lower skin is laid, the foam is aligned and placed on the lower skin, and the position is fixed with carbon fiber strips. The upper mold and lower mold with the upper skin laid are then closed. During mold closing, the upper and lower guide pillars and guide sleeves are aligned to ensure that the upper and lower molds are not misaligned, and the mounting plate is used for fixation.

[0034] The second mold is also provided with multiple lifting eye holes 14 on its periphery for lifting the mold.

[0035] The second mold 2 is provided with a first groove 5, which is located on both sides of the second forming cavity 3. The baffle 4 is located in the first groove 5 near the bottom on both sides. The bottom of the baffle 4 is connected to the top of the first groove 5 by a first spring 6. The baffle 4 is provided with a stop block 7 on both sides, which is connected to the baffle 4 by a second spring 8. The first groove 5 is provided with a second groove 9 on both sides, and the position of the second groove 9 corresponds to the stop block 7.

[0036] The baffle 4 has a third groove 14 on both sides near the bottom, and the third groove 14 corresponds to the position of the second groove 9. The block 7 is installed in the third groove 18 by the second spring 8.

[0037] Specifically, the second mold has two first grooves, located on both sides of the second molding cavity, providing space for the installation and movement of the baffle. The other end of the baffle is located within the first groove and can move up and down within it. The bottom of the baffle is connected to the top of the first groove by a first spring. The spring provides necessary elastic support for the baffle during molding and helps the baffle return to its original position upon mold opening. Stops are provided on both sides of the baffle, connected to it by second springs. The stops prevent the baffle from moving excessively or deviating from its predetermined position during molding. The second springs provide additional elastic support, ensuring stable operation of the stops and baffle. Second grooves are provided on both sides of the first grooves, their positions corresponding to the stops. When the baffle (and its stops) moves within the first groove, the stops enter or leave the second groove. A third groove, used to limit the baffle's range of motion or provide additional positioning functionality, provides space for the installation and movement of the stops and second springs.

[0038] During the molding process, when the first and second molds are closed, a baffle is sandwiched between them, forming a closed molding cavity together with the molds. At this time, the wing material is injected into the molding cavity and subjected to pressure. Due to the presence of the baffle and stop, as well as the elastic support of the spring, the wing can be precisely controlled during the molding process. When the mold is opened, as the first and second molds separate, the first spring begins to function, pushing the baffle upward to reset. At the same time, the second spring further helps the stop return to its initial position. In this way, the baffle (and the stop on it) detaches from the molded wing, allowing the wing to be smoothly removed from the mold.

[0039] It is worth noting that, to facilitate the ejection of the baffle, the top of the baffle and the second groove are provided with a suitable slope, which simplifies the ejection process, making mold opening easier and more efficient. It also helps reduce wear and damage to the mold during the mold opening process, thereby extending the mold's service life. Furthermore, it ensures that the baffle does not experience excessive resistance or jamming during sliding out, improving the mold's reliability and stability.

[0040] The top of the first groove 5 is provided with an extension groove 10 that extends toward the middle of the second forming groove 3;

[0041] The side wall of the baffle 4 is provided with an extension plate 11 corresponding to the extension groove 10. When the wing is in a molding state, the extension plate 11 is located in the extension groove 10, and the end of the wing is located on the extension plate 11.

[0042] Specifically, the top of the first groove is provided with an extension groove extending towards the center of the second molding cavity. The shape and size of the extension groove are designed according to the specific shape of the wing tip to ensure that the wing can be accurately positioned and supported during the molding process. The side wall of the baffle is provided with an extension plate corresponding to the extension groove. When the baffle is in the correct position, this extension plate can be precisely embedded in the extension groove. This not only increases the contact area between the baffle and the mold and improves the mold's sealing performance, but also provides a stable support surface for the wing tip.

[0043] It is worth noting that during the molding process, when the first and second molds are closed, the baffle is sandwiched in between, and its extension plate is embedded in the extension groove. In this way, the baffle, extension plate, and mold together form a closed molding cavity, providing precise molding space for the wing material. Because the extension plate is located within the extension groove, it provides additional support and positioning for the wing's end, helping to ensure that the wing maintains the correct shape and size during molding, especially in critical areas such as its end. When the molding is completed and the molds are opened, as the first and second molds separate, the baffle (and its extension plate) will return to its original position under the action of a spring. At this point, the extension plate will disengage from the extension groove until the wing is removed.

[0044] Multiple first springs 6 are provided, and the multiple first springs 6 are evenly distributed between the baffle 4 and the first groove 5.

[0045] Specifically, during the molding process, when the mold closes and applies pressure to the wing material, the baffle is subjected to downward pressure. Because multiple first springs are evenly distributed between the baffle and the first groove, they can collectively bear this pressure and distribute it evenly to the bottom of the mold. When the mold is opened after molding, the multiple first springs simultaneously activate, pushing the baffle upwards to reset. Since the springs are evenly distributed, the baffle can rise smoothly, avoiding deformation or jamming caused by uneven force. The multi-point spring support system improves the stability of the mold during molding, ensuring that the baffle is evenly stressed and preventing damage caused by excessive local stress.

[0046] Both the first mold 1 and the second mold 2 have built-in heating pipes 12;

[0047] The heating pipeline 12 includes alternating crisscrossing heating pipes, which are connected to the outside.

[0048] Specifically, the heating pipeline consists of alternating crisscrossing heating pipes, ensuring uniform heating throughout the mold and preventing localized overheating or underheating. It also improves heat transfer efficiency, allowing the mold to quickly reach the required heating temperature. The heating pipeline is supplied by an external heat source, such as a heater. Heat-conducting oil circulates within the pipeline, evenly transferring heat to the upper and lower molds. The heater's temperature can be adjusted to control the oil's temperature, which in turn maintains the mold temperature. Curing can be performed in a hot press or by manually heating the oil. Furthermore, an external control system can precisely regulate the temperature of the heating pipeline to meet the heating requirements of different wing materials.

[0049] It is worth noting that, such as Figure 3 The heating pipe is further equipped with a vacuum pipe 15, which connects to the heating pipes 12 on the first mold 1 and the second mold 2. The vacuum pipe 15 is connected to an external vacuum pump via a vacuum nozzle 16 to create a vacuum, which can improve the internal quality of the product and reduce its porosity. Simultaneously, the second mold 2 is provided with a vacuum hole 17 corresponding to the vacuum nozzle 16, for connecting the vacuum pipe 15 to the vacuum pump. Generally, molding dies do not have a vacuum function during curing; however, this application allows for vacuuming during molding and curing.

[0050] The first mold 1 and the second mold 2 are connected by a plurality of mounting plates 13;

[0051] The mounting plates 13 are evenly distributed around the closed area of ​​the first template 1 and the second template 2, and the mounting plates 13 are installed on the first template 1 and the second template 2 by bolts.

[0052] Specifically, the mounting plate 13 acts as a connector, firmly linking the first mold 1 and the second mold 2 together. This ensures the mold remains stable during mold closing, preventing deformation or damage caused by uneven stress. The mounting plates 13 are evenly distributed around the closing points of the first mold plate 1 and the second mold plate 2. This ensures that the mold receives uniform support and fixation in all directions during mold closing, thereby improving the overall stability and precision of the mold.

[0053] The above description is merely a few embodiments of this application and is not intended to limit this application in any way. Although this application discloses preferred embodiments as described above, it is not intended to limit this application. Any changes or modifications made by those skilled in the art without departing from the scope of the technical solution of this application using the disclosed technical content are equivalent to equivalent implementation cases and fall within the scope of the technical solution.

Claims

1. A wing molding die, characterized in that, include: The first mold (1) has a first forming cavity. The second mold (2) has a second forming cavity (3) on it; The first molding cavity and the second molding cavity (3) are provided with baffles (4) at both ends. After the first mold (1) and the second mold (2) are closed, they form a molding cavity with the baffles (4). The top of the baffle (4) is located in the first molding cavity, and the bottom of the baffle (4) is located in the second molding cavity (3) and is connected to the second mold (2) through an elastic component. The molding or unmolding of the projectile is achieved by fixing or popping out the baffle (4).

2. The wing molding die according to claim 1, characterized in that, The second mold (2) is provided with a first groove (5), which is located on both sides of the second forming cavity (3). The baffle (4) is located in the first groove (5) near the bottom on both sides. The bottom of the baffle (4) is connected to the top of the first groove (5) by a first spring (6). The baffle (4) is provided with a stop block (7) on both sides. The stop block (7) is connected to the baffle (4) by a second spring (8). The first groove (5) is provided with a second groove (9) on both sides. The position of the second groove (9) corresponds to the stop block (7). The baffle (4) has a third groove (14) on both sides near the bottom. The third groove (14) corresponds to the second groove (9). The stop block (7) is installed in the third groove (14) by the second spring (8).

3. The wing molding die according to claim 2, characterized in that, The top of the first groove (5) is provided with an extension groove (10) extending toward the middle of the second forming cavity (3); The side wall of the baffle (4) is provided with an extension plate (11) corresponding to the extension groove (10). When the wing is in a molding state, the extension plate (11) is located in the extension groove (10), and the end of the wing is located on the extension plate (11).

4. The wing molding die according to claim 2, characterized in that, Multiple first springs (6) are provided, and the multiple first springs (6) are evenly distributed between the baffle (4) and the first groove (5).

5. The wing molding die according to claim 1, characterized in that, Both the first mold (1) and the second mold (2) have built-in heating pipes (12); The heating pipeline (12) includes alternating crisscrossing heating pipes, which are connected to the outside.

6. The wing molding die according to claim 1, characterized in that, The first mold (1) and the second mold (2) are connected by a plurality of mounting plates (13); The mounting plates (13) are evenly distributed around the closed areas of the first mold (1) and the second mold (2), and the mounting plates (13) are mounted on the first mold (1) and the second mold (2) by fasteners.

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