A molding device for composite materials of aerospace propellers

Abstract

The present invention relates to the field of propeller technology, and specifically to a molding device for aerospace propeller composite materials, comprising an upper mold and a lower mold, the upper mold being located on the top of the lower mold, and a sealing assembly for sealing the inner cavities of the upper mold and the lower mold being provided on the top of the lower mold, and a plurality of convex circular grooves being provided at the top of the lower mold and near both ends. The present invention solves the problem that due to the fact that some molds are not squeezed tightly enough, fine gaps are easily formed between the two molds, resulting in overflow of hot-melt composite materials and affecting the quality of aerospace propeller models, and the internal sealing of the molds of some aerospace propeller models is good, and a vacuum is formed inside after cooling, making it difficult for workers to open the molds of aerospace propeller models.

Description

Technical Field

[0001] The present invention relates to the technical field of propellers, in particular to a molding device for composite materials of aerospace propellers. Background Art

[0002] A propeller is a device that converts the engine's rotational power into propulsion by rotating blades in the air or water. It may have two or more blades connected to the hub, and the rearward side of the blade is a spiral surface or a propeller that is close to a spiral surface. With the advancement of aerospace technology, models of manned or unmanned aerospace aircraft can be seen at large aerospace exhibitions, and propellers are also used on some aerospace aircraft models.

[0003] In existing technology, when pouring hot-melt composite materials into the molds for aerospace propeller models, some molds are not squeezed tightly enough, resulting in a small gap between the two molds, causing the hot-melt composite materials to overflow and affecting the quality of the aerospace propeller models. Furthermore, some aerospace propeller molds have a poor internal seal, which creates a vacuum after cooling, making it difficult for workers to open the molds. In light of this, we propose a molding device for aerospace propeller composite materials. Summary of the Invention

[0004] The object of the present invention is to provide a molding device for aerospace propeller composite materials to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A molding device for aerospace propeller composite materials, comprising an upper mold and a lower mold, wherein the upper mold is located at the top of the lower mold, and the top of the lower mold is provided with a sealing assembly for sealing the inner cavities of the upper mold and the lower mold, and a plurality of convex circular grooves are provided at the top of the lower mold and near the positions of both ends, and a through hole connected to the convex circular groove is provided on the upper mold, a threaded tube is slidably installed in the convex circular groove, a threaded column is screwed in the threaded tube, and the top end of the threaded column passes through the convex circular groove and the corresponding through hole and is fixedly installed with a fixing column, a disc is sleeved on the threaded column and located at the top of the upper mold, and a through hole for limiting the thread is also provided in the convex circular groove. A limiting component for tube rotation, a first rotating groove is symmetrically opened in the upper mold, a rotating column is rotatably installed in the first rotating groove, and one end of the rotating column passes through the first rotating groove and extends to the outside, a driving component for simultaneously driving the two rotating columns to rotate is provided on one side of the upper mold, a gear groove is symmetrically opened on the inner wall of the first rotating groove, the gear groove is connected to the cylindrical groove through a connecting hole, a first gear is sleeved and installed in the gear groove and on the rotating column, a rotating column is rotatably installed in the cylindrical groove, a rotating component for driving the rotating column to rotate is provided at the bottom of the first gear, a lifting groove is opened at the bottom of the cylindrical groove, an extrusion column is slidably installed in the lifting groove.

[0007] Preferably, the sealing assembly includes a sealing plate, a sealing groove with a U-shaped structure is opened on the top of the lower mold, a clamping groove with a U-shaped structure is symmetrically opened on one side of the inner wall of the sealing groove, a sealing plate fixed to the upper mold is inserted and installed in the sealing groove, and a clamping strip fixed to the sealing plate is clamped and installed in the clamping groove.

[0008] Preferably, the limiting assembly includes two first limiting blocks, which are respectively fixedly mounted on both sides of the threaded tube, and a first limiting groove adapted to the first limiting block is provided on the circumferential inner wall of the convex circular groove, and the first limiting block is slidably connected to the first limiting groove.

[0009] Preferably, the driving assembly includes a rotating shaft and a main gear. A second rotating groove is opened on one side of the upper mold. One end of the rotating shaft is rotatably installed in the second rotating groove. The main gear is sleeved and installed on the rotating shaft. A secondary gear is fixedly installed on one end of the rotating column and located on one side of the main gear. The secondary gear is engaged with the main gear. A rotating part for driving it to rotate is provided at one end of the rotating shaft.

[0010] Preferably, the rotating member includes a handwheel, the handwheel is fixedly mounted on the rotating shaft, and the main gear is located between the upper mold and the handwheel.

[0011] Preferably, the rotating assembly includes a second gear, a connecting column is fixedly mounted on the bottom of the second gear, and the bottom end of the connecting column passes through the connecting hole and is fixedly mounted on the rotating column.

[0012] Preferably, the bottom of the rotating column is in an inclined structure, and the height of the extrusion column is greater than the height of the lifting slot.

[0013] Preferably, a second limiting groove is provided on the circumferential inner wall of the lifting groove, and a second limiting block fixed to the extrusion column is slidably installed in the second limiting groove.

[0014] Preferably, the first gear and the second gear are both rotatably connected to the gear groove.

[0015] Preferably, the threaded column is movably connected to the convex circular groove and the through hole.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. This molding device for composite materials for aerospace propellers, after the upper and lower molds are brought close together, is used to insert the sealing plate into the sealing groove. The clip is locked in the clip groove, ensuring that the sealing plate and the sealing groove fit seamlessly. The clip is also locked in the clip groove, ensuring that the inner cavities of the upper and lower molds are sealed, preventing hot-melt composite materials from being poured into the mold of the aerospace propeller model and overflowing. Then, a person presses down on the fixing post, causing it to squeeze the threaded post downward in the through-hole. As the fixing post moves downward, the disc approaches the top of the upper mold, and the threaded post is pressed downward. The lower end of the column enters the convex circular groove and rests on the threaded tube. Then, the personnel rotates the fixed column to make the fixed column drive the threaded column to rotate. Under the action of the first limit groove, the first limit block and the thread, the threaded column can enter the threaded tube and move upward in the convex circular groove until the threaded tube is on the top of the convex circular groove. When the disc is squeezed on the top of the upper mold, the upper mold and the lower mold are tightly squeezed together to prevent the formation of fine gaps between the upper mold and the lower mold, and to avoid the overflow of hot-melt composite materials, which affects the quality of the aerospace propeller model.

[0018] 2. In this molding device for composite materials for aerospace propellers, when the upper and lower molds are separated, a worker rotates the fixed column, causing it to drive the threaded column to rotate in the threaded tube. Under the action of the first limit groove, the first limit block, and the threads, the threaded tube moves downward in the convex circular groove, disengaging the threaded column from the convex circular groove. Subsequently, a worker rotates the handwheel, causing the handwheel to rotate the rotating shaft in the second rotating groove. Simultaneously, the rotating shaft drives the main gear, which in turn drives two secondary gears and two rotating columns. The rotating columns drive the two first gears and the corresponding second gears. The second gears then drive the rotating columns in the cylindrical grooves through the connecting column, causing the rotating columns to press the corresponding extrusion columns downward in the lifting groove. When multiple extrusion columns move downward together and press against the lower mold, the upper and lower molds can be loosened until they separate. This ensures that even if a vacuum is formed inside the upper and lower molds after cooling, workers can easily open the mold for the aerospace propeller model. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is one of the overall structural diagrams of the present invention;

[0020] Figure 2 This is the second schematic diagram of the overall structure of the present invention;

[0021] Figure 3 This is one of the cross-sectional structural diagrams of the lower mold in the present invention;

[0022] Figure 4 This is the second schematic cross-sectional view of the lower mold of the present invention;

[0023] Figure 5 Schematic diagram of the structure of the upper mold in the present invention;

[0024] Figure 6 Schematic diagram of the internal detailed structure of the upper mold in the present invention;

[0025] Figure 7 For the present invention Figure 6 A in the middle is an enlarged structural diagram;

[0026] Figure 8 Schematic diagram of the cross-sectional structure of the upper mold in the present invention;

[0027] Figure 9 For the present invention Figure 8 The enlarged structural diagram at B in the middle;

[0028] Figure 10 It is a schematic diagram of the structure of the explosion in the present invention.

[0029] In the figure: 1. Upper mold; 11. First rotating groove; 12. Gear groove; 13. Connecting hole; 14. Cylindrical groove; 15. Lifting groove; 151. Second limiting groove; 16. Second rotating groove; 2. Lower mold; 21. Sealing groove; 211. Clamping groove; 22. Convex circular groove; 221. First limiting groove; 3. Sealing plate; 31. Clamping strip; 4. Threaded tube; 41. First limiting block; 5. Threaded column; 51. Fixed column; 52. Disc; 6. Rotating column; 61. First gear; 62. Second gear; 63. Connecting column; 64. Secondary gear; 7. Rotating column; 8. Extrusion column; 81. Second limiting block; 9. Rotating shaft; 91. Main gear; 92. Handwheel. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 understood as limiting the present invention.

[0032] In the description of this patent, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," and "set" should be understood in a broad sense. For example, they can refer to fixed connection or set, detachable connection or set, or integral connection or set. Those skilled in the art will understand the specific meanings of the above terms in this patent based on the specific circumstances.

[0033] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the technical features being referred to. Thus, a feature identified as "first," "second," or "third" may explicitly or implicitly include one or more of the features.

[0034] See also Figures 1-10 As shown, the present invention provides a technical solution:

[0035] A molding device for aerospace propeller composite materials, comprising an upper mold 1 and a lower mold 2, wherein the upper mold 1 is located at the top of the lower mold 2, and a sealing assembly for sealing the inner cavities of the upper mold 1 and the lower mold 2 is provided on the top of the lower mold 2 and near both ends. A plurality of convex circular grooves 22 are provided on the upper mold 1, and a through hole connected to the convex circular groove 22 is provided on the upper mold 1, and a threaded tube 4 is slidably installed in the convex circular groove 22, and a threaded column 5 is screwed in the threaded tube 4, and the top of the threaded column 5 passes through the convex circular groove 22 and the corresponding through hole and is fixedly installed with a fixing column 51, and a disc 52 is sleeved on the threaded column 5 and located at the top of the upper mold 1, and a disc 52 is also provided in the convex circular groove 22 for limiting the rotation of the threaded tube 4. A limiting component, a first rotating groove 11 is symmetrically opened in the upper mold 1, a rotating column 6 is rotatably installed in the first rotating groove 11, and one end of the rotating column 6 passes through the first rotating groove 11 and extends to the outside, a driving component for simultaneously driving the two rotating columns 6 to rotate is provided on one side of the upper mold 1, a gear groove 12 is symmetrically opened on the inner wall of the first rotating groove 11, the gear groove 12 is connected to the cylindrical groove 14 through the connecting hole 13, a first gear 61 is sleeved and installed in the gear groove 12 and on the rotating column 6, a rotating column 7 is rotatably installed in the cylindrical groove 14, a rotating component for driving the rotating column 7 to rotate is provided at the bottom of the first gear 61, a lifting groove 15 is opened at the bottom of the cylindrical groove 14, and an extrusion column 8 is slidably installed in the lifting groove 15.

[0036] In this embodiment, the sealing assembly includes a sealing plate 3, a sealing groove 21 with a U-shaped structure is opened on the top of the lower mold 2, and a card groove 211 with a U-shaped structure is symmetrically opened on one side of the inner wall of the sealing groove 21. The sealing plate 3 fixed to the upper mold 1 is inserted and installed in the sealing groove 21, and a card strip 31 fixed to the sealing plate 3 is card-mounted in the card groove 211. When the upper mold 1 and the lower mold 2 are squeezed together, the sealing plate 3 can be inserted into the sealing groove 21, and the card strip 31 is stuck in the card groove 211. The sealing plate 3 and the sealing groove 21 are seamlessly fitted, and the card strip 31 and the card groove 21 are seamlessly fitted, ensuring that the inner cavity of the upper mold 1 and the lower mold 2 are sealed to prevent the hot-melt composite material from being poured into the mold of the aerospace propeller model and the hot-melt composite material from overflowing.

[0037] In this embodiment, the limit assembly includes two first limit blocks 41, which are respectively fixedly mounted on both sides of the threaded tube 4, and a first limit groove 221 adapted to the first limit block 41 is opened on the circumferential inner wall of the convex circular groove 22. The first limit block 41 is slidably connected to the first limit groove 221. Under the action of the first limit block 41 and the first limit groove 221, it is ensured that the threaded tube 4 can only move up and down in the convex circular groove 22. When the threaded column 5 enters the threaded tube 4 and rotates, under the action of the thread, the threaded tube 4 can move upward and be squeezed on the inner wall of the convex circular groove 22, and the threaded column 5 drives the disc 52 to squeeze on the upper mold 1, so that the upper mold 1 and the lower mold 2 are close to each other until they are tightly squeezed together, preventing the upper mold 1 and the lower mold 2 from being squeezed not tight enough, and a fine gap between the upper mold 1 and the lower mold 2, which can further prevent the hot-melt composite material from overflowing and affecting the quality of the aerospace propeller model.

[0038] In this embodiment, the driving assembly includes a rotating shaft 9 and a main gear 91. A second rotating groove 16 is opened on one side of the upper mold 1. One end of the rotating shaft 9 is rotatably installed in the second rotating groove 16. The main gear 91 is sleeved and installed on the rotating shaft 9. A secondary gear 64 is fixedly installed on one end of the rotating column 6 and located on one side of the main gear 91. The secondary gear 64 is engaged with the main gear 91. One end of the rotating shaft 9 is provided with a rotating part for driving it to rotate. When the rotating shaft 9 rotates in the second rotating groove 16, the rotating shaft 9 can drive the main gear 91 to rotate, and the main gear 91 can drive the two secondary gears 64 to rotate together, ensuring that the secondary gear 64 can drive the corresponding rotating column 6 to rotate.

[0039] In this embodiment, the rotating part includes a handwheel 92, which is fixedly mounted on the rotating shaft 9. The main gear 91 is located between the upper mold 1 and the handwheel 92 to prevent workers from getting injured by hitting the main gear 91 when rotating the handwheel 92. When workers rotate the handwheel 92, the rotating shaft 9 can be driven to rotate, making it convenient for personnel to operate.

[0040] In this embodiment, the rotating assembly includes a second gear 62, and a connecting column 63 is fixedly installed at the bottom of the second gear 62, and the bottom end of the connecting column 63 passes through the connecting hole 13 and is fixedly installed on the rotating column 7. When the rotating column 6 drives the first gear 61 to rotate, the first gear 61 can drive the second gear 62 to rotate, and the second gear 62 can drive the rotating column 7 to rotate in the cylindrical groove 14 through the connecting column 63.

[0041] In this embodiment, the bottom of the rotating column 7 is an inclined structure, and the height of the extrusion column 8 is greater than the height of the lifting groove 15. The height of the extrusion column 8 is greater than the height of the lifting groove 15, ensuring that the extrusion column 8 can be squeezed downward in the lifting groove 15 when the rotating column 7 rotates. When multiple extrusion columns 8 move downward together and are squeezed onto the lower mold 2, the upper mold 1 can be easily separated from the lower mold 2. Even if a vacuum is formed inside the upper mold 1 and the lower mold 2 after cooling, it is easy for workers to open the mold of the aerospace propeller model.

[0042] In this embodiment, a second limiting groove 151 is provided on the circumferential inner wall of the lifting groove 15, and a second limiting block 81 fixed to the extrusion column 8 is slidably installed in the second limiting groove 151. With the cooperation of the second limiting block 81 and the second limiting groove 151, the extrusion column 8 can be prevented from falling off from the lifting groove 15, thereby avoiding the loss of the extrusion column 8.

[0043] In this embodiment, the first gear 61 and the second gear 62 are both rotatably connected to the gear slot 12 , ensuring that the first gear 61 can drive the second gear 62 to rotate normally in the gear slot 12 .

[0044] In this embodiment, the threaded column 5 is movably connected to the convex circular groove 22 and the through hole, ensuring that the threaded column 5 can rotate and move up and down in the convex circular groove 22 and the through hole.

[0045] It is worth noting that when the upper mold 1 and the lower mold 2 are tightly squeezed together, the disc 52 is squeezed on the upper mold 1, and the lower end of the threaded column 5 is located below the threaded tube 4. At the same time, the lower end of the threaded column 5 does not contact the bottom of the convex circular groove 22.

[0046] When the molding device for aerospace propeller composite materials of this embodiment is used, the upper mold 1 and the lower mold 2 are brought close to each other, and then the sealing plate 3 is inserted into the sealing groove 21, and the card strip 31 is stuck in the card groove 211 to ensure that the sealing plate 3 and the sealing groove 21 are seamlessly fitted, and the card strip 31 and the card groove 21 are seamlessly fitted to ensure that the inner cavity of the upper mold 1 and the lower mold 2 are sealed to prevent the hot-melt composite material from being poured into the mold of the aerospace propeller model and the hot-melt composite material from overflowing. Then, the personnel presses down the fixing column 51 to make the fixing column 51 squeeze the threaded column 5 downward in the through hole, and the disc 52 moves to the top of the upper mold 1 as the fixing column 51 moves downward. When the upper and lower molds 1 are close to each other, the lower end of the threaded column 5 enters the convex circular groove 22 and rests on the threaded tube 4. Then, the person rotates the fixed column 51, so that the fixed column 51 drives the threaded column 5 to rotate. Under the action of the first limiting groove 221, the first limiting block 41 and the thread, the threaded column 5 can enter the threaded tube 4 and move the threaded tube 4 upward in the convex circular groove 22 until the threaded tube 4 is on the top of the convex circular groove 22. When the disc 52 is squeezed on the top of the upper mold 1, the upper mold 1 and the lower mold 2 are tightly squeezed together to prevent a fine gap from appearing between the upper mold 1 and the lower mold 2, thereby preventing the hot-melt composite material from overflowing and affecting the quality of the aerospace propeller model.

[0047] When the upper mold 1 and the lower mold 2 are separated, the personnel rotates the fixed column 51 so that the fixed column 51 drives the threaded column 5 to rotate in the threaded tube 4. Under the action of the first limiting groove 221, the first limiting block 41 and the thread, the threaded tube 4 moves downward in the convex circular groove 22, so that the threaded column 5 is disengaged from the convex circular groove 22. Subsequently, the personnel rotates the handwheel 92 so that the handwheel 92 drives the rotating shaft 9 to rotate in the second rotating groove 16. At the same time, the rotating shaft 9 drives the main gear 91 to rotate, and the main gear 91 drives the two secondary gears 64 and the two rotating columns 6 to rotate together. When the upper mold 1 and the lower mold 2 are moved, the upper mold 1 and the lower mold 2 become loose and separated, ensuring that even if a vacuum is formed inside the upper mold 1 and the lower mold 2 after cooling, it is easy for workers to open the mold of the aerospace propeller model.

[0048] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A molding device for composite materials of aerospace propellers, comprising an upper mold (1) and a lower mold (2), wherein the upper mold (1) is located on top of the lower mold (2), and is characterized in that: The top of the lower mold (2) is provided with a sealing component for sealing the inner cavity of the upper mold (1) and the lower mold (2), and a plurality of convex circular grooves (22) are provided at the top of the lower mold (2) and near the two ends. A through hole connected to the convex circular groove (22) is provided on the upper mold (1), and a threaded tube (4) is slidably installed in the convex circular groove (22). A threaded column (5) is screwed and installed in the threaded tube (4), and the top of the threaded column (5) passes through the convex circular groove (22) and the corresponding through hole and is fixedly installed with a fixed column (51). A disc (52) is sleeved and installed on the threaded column (5) and located at the top of the upper mold (1). A limit assembly for limiting the rotation of the threaded tube (4) is also provided in the convex circular groove (22). A first rotation groove (11) is symmetrically provided in the upper mold (1). A rotating column (6) is rotatably installed in the first rotating groove (11), and one end of the rotating column (6) passes through the first rotating groove (11) and extends to the outside. A driving component for simultaneously driving the two rotating columns (6) to rotate is provided on one side of the upper mold (1). Gear grooves (12) are symmetrically provided on the inner wall of the first rotating groove (11). The gear groove (12) is connected to a cylindrical groove (14) through a connecting hole (13). A first gear (61) is sleeved and installed in the gear groove (12) and on the rotating column (6). A rotating column (7) is rotatably installed in the cylindrical groove (14). A rotating component for driving the rotating column (7) to rotate is provided at the bottom of the first gear (61). A lifting groove (15) is provided at the bottom of the cylindrical groove (14). An extrusion column (8) is slidably installed in the lifting groove (15).

2. The molding device for composite materials for aerospace propellers according to claim 1, characterized in that: The sealing assembly comprises a sealing plate (3); a sealing groove (21) in the shape of a Chinese character "Yu" is provided on the top of the lower mold (2); a clamping groove (211) in the shape of a Chinese character "Yu" is symmetrically provided on one side of the inner wall of the sealing groove (21); a sealing plate (3) fixed to the upper mold (1) is inserted and installed in the sealing groove (21); and a clamping strip (31) fixed to the sealing plate (3) is clamped and installed in the clamping groove (211).

3. The molding device for composite materials for aerospace propellers according to claim 1, characterized in that: The limiting assembly comprises two first limiting blocks (41), the two first limiting blocks (41) being fixedly mounted on both sides of the threaded tube (4), respectively; a first limiting groove (221) adapted to the first limiting block (41) is provided on the inner circumferential wall of the convex circular groove (22), and the first limiting block (41) is slidably connected to the first limiting groove (221).

4. The molding device for composite materials for aerospace propellers according to claim 1, characterized in that: The driving assembly comprises a rotating shaft (9) and a main gear (91). A second rotating groove (16) is provided on one side of the upper mold (1). One end of the rotating shaft (9) is rotatably mounted in the second rotating groove (16). The main gear (91) is sleeved and mounted on the rotating shaft (9). A secondary gear (64) is fixedly mounted on one end of the rotating column (6) and located on one side of the main gear (91). The secondary gear (64) is meshed with the main gear (91). One end of the rotating shaft (9) is provided with a rotating member for driving the rotating shaft (9).

5. The molding device for composite materials for aerospace propellers according to claim 4, characterized in that: The rotating member comprises a hand wheel (92), the hand wheel (92) is fixedly mounted on the rotating shaft (9), and the main gear (91) is located between the upper mold (1) and the hand wheel (92).

6. The molding device for composite materials for aerospace propellers according to claim 1, characterized in that: The rotating assembly comprises a second gear (62), a connecting column (63) is fixedly mounted on the bottom of the second gear (62), and the bottom end of the connecting column (63) passes through the connecting hole (13) and is fixedly mounted on the rotating column (7).

7. The molding device for composite materials for aerospace propellers according to claim 6, characterized in that: The bottom of the rotating column (7) is in an inclined structure, and the height of the extruding column (8) is greater than the height of the lifting groove (15).

8. The molding device for composite materials for aerospace propellers according to claim 1, characterized in that: A second limiting groove (151) is provided on the circumferential inner wall of the lifting groove (15), and a second limiting block (81) fixed to the extrusion column (8) is slidably installed in the second limiting groove (151).

9. The molding device for composite materials for aerospace propellers according to claim 6, characterized in that: The first gear (61) and the second gear (62) are both rotatably connected to the gear slot (12).

10. The molding device for composite materials for aerospace propellers according to claim 1, characterized in that: The threaded column (5) is movably connected to the convex circular groove (22) and the through hole.

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