Low-bubble-defect paving equipment and process based on carbon fiber sandwich plate

Abstract

The invention discloses low-bubble-defect paving equipment and technology based on a carbon fiber sandwich panel, and relates to the field of panel paving, the low-bubble-defect paving equipment comprises an equipment body, the top of the equipment body is rotatably connected with a station rotating disc, and gear platforms are symmetrically and rotatably connected in inner cavities of the two sides of the station rotating disc; the right sides of the two ends of the equipment body are symmetrically and movably connected with first C-shaped rods, the left sides of the two ends of the equipment body are symmetrically and movably connected with second C-shaped rods, the tops of the first C-shaped rods are provided with clamping plates, and the tops of the second C-shaped rods are movably connected with movable frames. According to the low-bubble-defect paving equipment and technology based on the carbon fiber sandwich board, through the arrangement of the two gear platforms, paving can be conducted at one station, curing assistance can be conducted at the other station when paving work of the carbon fiber sandwich board is conducted, and therefore the laminating efficiency can be effectively improved, and the laminating quality is improved. Therefore, air holes during paving can be effectively removed, and the defects of finished products are reduced.

Description

Technical Field

[0001] This invention relates to the field of sheet metal laying, and particularly to laying equipment and processes for low-bubble defects based on carbon fiber sandwich sheets. Background Technology

[0002] Current processes for laying carbon fiber sandwich panels mostly involve cutting prepreg into shapes with flanges, laying it on the sandwich surface of the product, forming a preform through overlapping, and then placing it in a mold for curing. This process results in complex prepreg shapes, long laying times, and the generation of numerous porosity defects during the laying process.

[0003] Therefore, it is necessary to propose a laying equipment and process based on carbon fiber sandwich panels with low bubble defects to solve the above problems. Summary of the Invention

[0004] The main objective of this invention is to provide a low-bubble-defect laying device and process based on carbon fiber sandwich panels, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A low-bubble-defect laying device based on carbon fiber sandwich panels includes a device body. A workstation turntable is rotatably connected to the top of the device body. Gear platforms are symmetrically rotatably connected to the inner cavities on both sides of the workstation turntable. A first C-shaped rod is symmetrically and movably connected to the right side of both ends of the device body. A second C-shaped rod is symmetrically and movably connected to the left side of both ends of the device body. A clamping plate is installed on the top of the first C-shaped rod. A movable frame is movably connected to the top of the second C-shaped rod. A cutting assembly is movably connected to the right side of the device body, and a cutting blade is movably connected to the side of the cutting assembly. A pressing assembly is installed on the left side of the device body, and a platform is movably connected to the side of the pressing assembly. A pressing plate is movably connected to the bottom of the platform.

[0006] Preferably, a rotary motor is installed on the top of the equipment body, the rotary motor is connected to the workstation turntable through a first rotating shaft, and drive motors are symmetrically installed on both sides of the top of the equipment body. The drive motors are connected to gears through a second rotating shaft, and the gears mesh with a gear platform.

[0007] Preferably, a bidirectional lead screw is symmetrically rotatably connected to both sides of the inner cavity of the device body, a driven gear is installed in the center of the outer wall of the bidirectional lead screw, a servo motor is installed in the inner cavity of the device body, and a driving gear is installed on the servo motor through a third rotating shaft, and the driving gear and the driven gear mesh with each other.

[0008] Preferably, the bottoms of the second C-shaped rod and the first C-shaped rod are movably connected to the inner cavity of the equipment body and threadedly connected to the bidirectional lead screw. The clamping plate is located at the top of the gear platform on the right side, and the movable frame is located at the top of the gear platform on the left side.

[0009] Preferably, a pulley seat is movably connected to the inner cavity of the movable frame on the left side, and a pull handle is installed on the top of the pulley seat. A fixed column is installed in the inner cavity on the side of the movable frame, and a third spring is wound around the outer wall of the fixed column. The top of the second C-shaped rod is movably connected to the inner cavity of the movable frame and sleeved on the outer wall of the fixed column. The bottom of the third spring is installed at the bottom of the inner cavity of the movable frame, and the top of the third spring is connected to the top of the second C-shaped rod.

[0010] Preferably, a slide rail is installed on the right side of the device body, the bottom of the cutting assembly is movably connected to the slide rail, a first fixing rod is installed in the inner cavity of the cutting assembly, a first spring is wound around the outer wall of the first fixing rod, and a first handle is installed on the side of the cutting blade.

[0011] Preferably, the connection between the cutting blade and the first handle is movably connected in the inner cavity of the cutting assembly and sleeved on the outer wall of the first fixed rod. The bottom of the first spring is installed at the bottom of the inner cavity of the cutting assembly, and the top of the first spring is installed at the bottom of the connection between the first handle and the cutting blade. The cutting blade is located at the top of the gear platform on the right side.

[0012] Preferably, a second fixing rod is installed in the inner cavity of the pressing assembly, a second spring is wound around the outer wall of the second fixing rod, a second handle is installed on the side of the platform, the connection between the second handle and the platform is movably connected in the inner cavity of the pressing assembly and sleeved on the outer wall of the second fixing rod, the top of the second spring is installed at the bottom of the connection between the second handle and the platform, and the bottom of the second spring is installed at the bottom of the inner cavity of the pressing assembly.

[0013] Preferably, the outer wall of the pressing assembly has a through groove, a positioning block is movably connected in the inner cavity of the through groove, a positioning bolt is threadedly connected in the inner cavity of the positioning block, one end of the positioning bolt is attached to the outer wall of the pressing assembly, a threaded groove with a size adapted to the positioning bolt is opened at the connection between the platform and the second handle, a threaded rod is threadedly connected in the inner cavity of the platform, and the bottom of the threaded rod is installed on the top of the pressing plate.

[0014] The installation process based on carbon fiber sandwich panels with low air bubble defects includes the following steps: S1: Place the prepreg of the carbon fiber sandwich panel on the gear platform on the right, start the servo motor on the right so that the drive gear can mesh with the driven gear, thereby driving the double-acting screw on the right to rotate. At this time, the bottom of the two second C-shaped rods can be threaded to the double-acting screw on the right, which can then drive the two clamping plates to clamp the prepreg. S2: The first handle drives the cutting blade to press down and cut the prepreg into a rectangle of appropriate size. During cutting, the drive motor on the right can be started to drive the gear to rotate, so that the gear platform loaded with prepreg can rotate. Based on this, it can cooperate with the cutting blade to cut. After releasing the first handle, the first spring will reset the cutting blade and reset the clamping plate. S3: Place the mold of the carbon fiber sandwich panel on the gear platform on the right, align and lay the cut prepreg on each side of the mold, and then lay the sandwich foam on the surface to complete the semi-finished carbon fiber sandwich panel. S4: Start the rotary motor to drive the workstation turntable to rotate, so that the gear platform on the right can move to the left. At this time, the cutting of prepreg can continue at the gear platform on the right. Start the servo motor on the left and drive the pulley seat to clamp the semi-finished carbon fiber sandwich panel through the movable frame. After clamping, move the pull handle up and down so that the pulley seat can perform auxiliary curing treatment on the outside of the semi-finished carbon fiber sandwich panel. Rotate the gear platform on the left until the auxiliary curing treatment is completed on all four sides of the semi-finished carbon fiber sandwich panel. S5: Press down the second handle to allow the platform to drive the pressing plate down, rotate the threaded rod until the pressing plate is attached to the top of the semi-finished carbon fiber sandwich panel. Based on this, the auxiliary curing treatment of the outside of the semi-finished carbon fiber sandwich panel is completed. At this time, the low bubble laying treatment of the carbon fiber sandwich panel is completed.

[0015] Compared with the prior art, the present invention provides a low-bubble-defect laying device and process based on carbon fiber sandwich panels, which has the following beneficial effects: 1. The equipment and process for laying carbon fiber sandwich panels with low bubble defects, through the setting of two gear platforms, allows one station to lay the carbon fiber sandwich panels and another station to assist in curing. This can effectively improve the bonding efficiency, thus effectively eliminating air bubbles during laying and reducing defects in the finished product.

[0016] 2. The low-bubble-defect laying equipment and process based on carbon fiber sandwich panels, through the first C-shaped rod and the second C-shaped rod, can be moved by the driving gear, the driven gear and the double-acting screw, so that the material placed on the top of the gear platform can be clamped. The clamping can ensure the accuracy of the laying and curing process, and the gear can drive the gear platform to rotate, which can further improve the laying efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the workstation turntable of the present invention; Figure 3 This is a schematic diagram of the structure of the second C-shaped rod of the present invention; Figure 4 This is a schematic diagram of the cutting blade of the present invention; Figure 5 This is a schematic diagram of the structure of the platform of the present invention.

[0018] In the diagram: 1. Equipment body; 2. Workstation turntable; 3. Rotary motor; 4. Gear platform; 5. Gear; 6. Drive motor; 7. Slide rail; 8. Cutting assembly; 9. First fixed rod; 10. First spring; 11. First handle; 12. Cutting blade; 13. Pressing assembly; 14. Second fixed rod; 15. Second spring; 16. Through groove; 17. Positioning bolt; 18. Second handle; 19. Platform; 20. Threaded rod; 21. Pressing plate; 22. First C-shaped rod; 23. Clamping plate; 24. Second C-shaped rod; 25. Bidirectional lead screw; 26. Driven gear; 27. Driven gear; 28. Servo motor; 29. ​​Movable frame; 30. Pulley seat; 31. Pull handle; 32. Fixed column; 33. Third spring. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0020] Example 1: like Figures 1-3As shown, the low-bubble-defect laying equipment based on carbon fiber sandwich panels includes a device body 1. A station turntable 2 is rotatably connected to the top of the device body 1. Gear platforms 4 are symmetrically rotatably connected to the inner cavities on both sides of the station turntable 2. First C-shaped rods 22 are symmetrically and movably connected to the right sides of both ends of the device body 1, and second C-shaped rods 24 are symmetrically and movably connected to the left sides of both ends of the device body 1. A clamping plate 23 is installed on the top of the first C-shaped rod 22, and a movable frame 29 is movably connected to the top of the second C-shaped rod 24. A rotary motor 3 is installed on the top of the device body 1, and the rotary motor 3 is connected to the station turntable 2 via a first rotating shaft. Drive motors 6 are symmetrically installed on both sides of the top of the device body 1, and gears 5 are connected to the drive motors 6 via second rotating shafts. The gears 5 mesh with the gear platforms 4. Bidirectional lead screws 25 are symmetrically and rotatably connected to both sides of the inner cavity of the device body 1, and a driven gear 26 is installed in the center of the outer wall of the bidirectional lead screw 25. A servo motor 28 is installed in the inner cavity of the equipment body 1. The servo motor 28 is equipped with a drive gear 27 via a third rotating shaft. The drive gear 27 and the driven gear 26 mesh with each other. The bottoms of the second C-shaped rod 24 and the first C-shaped rod 22 are movably connected in the inner cavity of the equipment body 1 and are threadedly connected to the bidirectional lead screw 25. The clamping plate 23 is located on the top of the right gear platform 4. The movable frame 29 is located on the top of the left gear platform 4. A pulley seat 30 is movably connected in the inner cavity of the left movable frame 29. A pull handle 31 is installed on the top of the pulley seat 30. A fixed column 32 is installed in the inner cavity on the side of the movable frame 29. A third spring 33 is wound around the outer wall of the fixed column 32. The top of the second C-shaped rod 24 is movably connected in the inner cavity of the movable frame 29 and sleeved on the outer wall of the fixed column 32. The bottom of the third spring 33 is installed at the bottom of the inner cavity of the movable frame 29. The top of the third spring 33 is connected to the top of the second C-shaped rod 24.

[0021] Example 2: like Figure 1 , Figure 4 , Figure 5As shown, the laying equipment for low bubble defects based on carbon fiber sandwich panels has a cutting assembly 8 movably connected to the right side of the equipment body 1, and a cutting blade 12 movably connected to the side of the cutting assembly 8. A pressing assembly 13 is installed on the left side of the equipment body 1, and a platform 19 is movably connected to the side of the pressing assembly 13. A pressing plate 21 is movably connected to the bottom of the platform 19. A slide rail 7 is installed on the right side of the equipment body 1, and the bottom of the cutting assembly 8 is movably connected to the slide rail 7. A first fixing rod 9 is installed in the inner cavity of the cutting assembly 8, and a first spring 10 is wound around the outer wall of the first fixing rod 9. A first handle 11 is installed on the side of the cutting blade 12, and the connection between the cutting blade 12 and the first handle 11 is movably connected to the inner cavity of the cutting assembly 8 and sleeved on the outer wall of the first fixing rod 9. The bottom of the first spring 10 is installed at the bottom of the inner cavity of the cutting assembly 8, and the top of the first spring 10 is installed at the bottom of the connection between the first handle 11 and the cutting blade 12. The cutting blade 12 is located on the right side of the toothed part. At the top of the wheel platform 4, a second fixing rod 14 is installed in the inner cavity of the pressing assembly 13. A second spring 15 is wound around the outer wall of the second fixing rod 14. A second handle 18 is installed on the side of the platform 19. The connection between the second handle 18 and the platform 19 is movably connected in the inner cavity of the pressing assembly 13 and sleeved on the outer wall of the second fixing rod 14. The top of the second spring 15 is installed at the bottom of the connection between the second handle 18 and the platform 19. The bottom of the second spring 15 is installed at the bottom of the inner cavity of the pressing assembly 13. A through groove 16 is opened on the outer wall of the pressing assembly 13. A positioning block is movably connected in the inner cavity of the through groove 16. A positioning bolt 17 is threadedly connected in the inner cavity of the positioning block. One end of the positioning bolt 17 is attached to the outer wall of the pressing assembly 13. A threaded groove with a size that matches the positioning bolt 17 is opened at the connection between the platform 19 and the second handle 18. A threaded rod 20 is threadedly connected in the inner cavity of the platform 19. The bottom of the threaded rod 20 is installed on the top of the pressing plate 21.

[0022] Example 3: like Figures 1-5 As shown, the installation process based on carbon fiber sandwich panels with low bubble defects includes the following steps: S1: Place the prepreg of the carbon fiber sandwich panel on the gear platform 4 on the right, start the servo motor 28 on the right, so that the drive gear 27 can mesh with the driven gear 26, thereby driving the double-acting screw 25 on the right to rotate. At this time, the bottom of the two second C-shaped rods 24 can be threaded to the double-acting screw 25 on the right, which can then drive the two clamping plates 23 to clamp the prepreg. S2: The first handle 11 drives the cutting blade 12 to press down and cut the prepreg into a rectangle of appropriate size. During cutting, the drive motor 6 on the right side can be started to drive the gear 5 to rotate, so that the gear platform 4 loaded with prepreg can rotate. Based on this, it can cooperate with the cutting work of the cutting blade 12. After releasing the first handle 11, the first spring 10 resets the cutting blade 12 and resets the clamping plate 23. S3: Place the mold of the carbon fiber sandwich panel on the gear platform 4 on the right, align and lay the cut prepreg on each side of the mold, and then lay the sandwich foam on the surface to complete the semi-finished carbon fiber sandwich panel. S4: Start the rotary motor 3 to drive the station turntable 2 to rotate, so that the gear platform 4 on the right can move to the left. At this time, the cutting of prepreg can continue at the gear platform 4 on the right. Start the servo motor 28 on the left, and drive the pulley seat 30 through the movable frame 29 to clamp the semi-finished carbon fiber sandwich panel. After clamping, move the pull handle 31 up and down so that the pulley seat 30 can perform auxiliary curing treatment on the outside of the semi-finished carbon fiber sandwich panel. Rotate the gear platform 4 on the left until the auxiliary curing treatment is completed on all four sides of the semi-finished carbon fiber sandwich panel. S5: Press down the second handle 18 so that the platform 19 can drive the pressing plate 21 to press down, rotate the threaded rod 20 until the pressing plate 21 is attached to the top of the semi-finished carbon fiber sandwich panel. Based on this, the auxiliary curing treatment of the outside of the semi-finished carbon fiber sandwich panel is completed. At this time, the low bubble laying treatment of the carbon fiber sandwich panel is completed.

[0023] The foregoing has shown and described 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 embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A low-bubble-defect laying device based on carbon fiber sandwich panels, comprising a device body (1), characterized in that: The top of the equipment body (1) is rotatably connected to a workstation turntable (2), and gear platforms (4) are symmetrically rotatably connected to the inner cavities on both sides of the workstation turntable (2). The right sides of both ends of the equipment body (1) are symmetrically and movably connected to a first C-shaped rod (22), and the left sides of both ends of the equipment body (1) are symmetrically and movably connected to a second C-shaped rod (24). The top of the first C-shaped rod (22) is fitted with a clamping plate (23), and the top of the second C-shaped rod (24) is movably connected to a movable frame (29). A cutting assembly (8) is movably connected to the right side of the device body (1), and a cutting blade (12) is movably connected to the side of the cutting assembly (8). A pressing assembly (13) is installed on the left side of the device body (1), and a platform (19) is movably connected to the side of the pressing assembly (13). A pressing plate (21) is movably connected to the bottom of the platform (19).

2. The low-bubble-defect laying equipment based on carbon fiber sandwich panels according to claim 1, characterized in that: A rotary motor (3) is installed on the top of the equipment body (1). The rotary motor (3) is connected to the workstation turntable (2) through a first rotating shaft. Drive motors (6) are symmetrically installed on both sides of the top of the equipment body (1). The drive motors (6) are connected to gears (5) through a second rotating shaft. The gears (5) mesh with the gear platform (4).

3. The low-bubble-defect laying equipment based on carbon fiber sandwich panels according to claim 1, characterized in that: The two sides of the inner cavity of the device body (1) are symmetrically connected to a two-way lead screw (25). A driven gear (26) is installed in the center of the outer wall of the two-way lead screw (25). A servo motor (28) is installed in the inner cavity of the device body (1). A driving gear (27) is installed on the servo motor (28) through a third rotating shaft. The driving gear (27) and the driven gear (26) mesh with each other.

4. The low-bubble-defect laying equipment based on carbon fiber sandwich panels according to claim 3, characterized in that: The bottoms of the second C-shaped rod (24) and the first C-shaped rod (22) are movably connected to the inner cavity of the equipment body (1) and threadedly connected to the bidirectional lead screw (25). The clamping plate (23) is located on the top of the gear platform (4) on the right side, and the movable frame (29) is located on the top of the gear platform (4) on the left side.

5. The low-bubble-defect laying equipment based on carbon fiber sandwich panels according to claim 1, characterized in that: A pulley seat (30) is movably connected to the inner cavity of the movable frame (29) on the left side. A pull handle (31) is installed on the top of the pulley seat (30). A fixed column (32) is installed in the inner cavity on the side of the movable frame (29). A third spring (33) is wound around the outer wall of the fixed column (32). The top of the second C-shaped rod (24) is movably connected to the inner cavity of the movable frame (29) and sleeved on the outer wall of the fixed column (32). The bottom of the third spring (33) is installed at the bottom of the inner cavity of the movable frame (29). The top of the third spring (33) is connected to the top of the second C-shaped rod (24).

6. The low-bubble-defect laying equipment based on carbon fiber sandwich panels according to claim 1, characterized in that: A slide rail (7) is installed on the right side of the device body (1), the bottom of the cutting assembly (8) is movably connected to the slide rail (7), a first fixing rod (9) is installed in the inner cavity of the cutting assembly (8), a first spring (10) is wound around the outer wall of the first fixing rod (9), and a first handle (11) is installed on the side of the cutting blade (12).

7. The low-bubble-defect laying equipment based on carbon fiber sandwich panels according to claim 6, characterized in that: The connection between the cutting blade (12) and the first handle (11) is movably connected in the inner cavity of the cutting assembly (8) and sleeved on the outer wall of the first fixed rod (9). The bottom of the first spring (10) is installed at the bottom of the inner cavity of the cutting assembly (8), and the top of the first spring (10) is installed at the bottom of the connection between the first handle (11) and the cutting blade (12). The cutting blade (12) is located at the top of the gear platform (4) on the right side.

8. The low-bubble-defect laying equipment based on carbon fiber sandwich panels according to claim 1, characterized in that: The inner cavity of the pressing assembly (13) is equipped with a second fixing rod (14), and the outer wall of the second fixing rod (14) is wrapped with a second spring (15). The side of the platform (19) is equipped with a second handle (18), and the connection between the second handle (18) and the platform (19) is movably connected in the inner cavity of the pressing assembly (13) and sleeved on the outer wall of the second fixing rod (14). The top of the second spring (15) is installed at the bottom of the connection between the second handle (18) and the platform (19), and the bottom of the second spring (15) is installed at the bottom of the inner cavity of the pressing assembly (13).

9. The low-bubble-defect laying equipment based on carbon fiber sandwich panels according to claim 1, characterized in that: The outer wall of the pressing assembly (13) is provided with a through groove (16), and a positioning block is movably connected in the inner cavity of the through groove (16). A positioning bolt (17) is threadedly connected in the inner cavity of the positioning block. One end of the positioning bolt (17) is attached to the outer wall of the pressing assembly (13). A threaded groove with a size that matches the positioning bolt (17) is provided at the connection between the platform (19) and the second handle (18). A threaded rod (20) is threadedly connected in the inner cavity of the platform (19). The bottom of the threaded rod (20) is installed on the top of the pressing plate (21).

10. A layup process for low-bubble defects based on carbon fiber sandwich panels, using the layup equipment for low-bubble defects based on carbon fiber sandwich panels as described in any one of claims 1-9, characterized in that: The following steps are included: S1: Place the prepreg of the carbon fiber sandwich panel on the gear platform (4) on the right side, start the servo motor (28) on the right side, so that the driving gear (27) can mesh with the driven gear (26), thereby driving the double-acting screw (25) on the right side to rotate. At this time, the bottom of the two second C-shaped rods (24) can be threaded to the double-acting screw (25) on the right side, and the two clamping plates (23) can be driven to clamp the prepreg. S2: The first handle (11) drives the cutting blade (12) to press down and cut the prepreg into a rectangle of appropriate size. When cutting, the drive motor (6) on the right side can be started to drive the gear (5) to rotate, so that the gear platform (4) loaded with prepreg can rotate. Based on this, it can cooperate with the cutting work of the cutting blade (12). After releasing the first handle (11), the first spring (10) resets the cutting blade (12) and resets the clamping plate (23). S3: Place the mold of the carbon fiber sandwich panel on the gear platform (4) on the right side, align the cut prepreg and lay it on each side of the mold, and then lay the sandwich foam on the surface to complete the semi-finished carbon fiber sandwich panel. S4: Start the rotary motor (3) to drive the station turntable (2) to rotate, so that the right gear platform (4) can move to the left. At this time, the cutting of prepreg can continue at the right gear platform (4). Start the left servo motor (28) and drive the pulley seat (30) to clamp the semi-finished carbon fiber sandwich panel through the movable frame (29). After clamping, move the pull handle (31) up and down so that the pulley seat (30) can perform auxiliary curing treatment on the outside of the semi-finished carbon fiber sandwich panel. Rotate the left gear platform (4) until the auxiliary curing treatment is completed on all four sides of the semi-finished carbon fiber sandwich panel. S5: Press down the second handle (18) so that the platform (19) can drive the pressing plate (21) to press down and rotate the threaded rod (20) until the pressing plate (21) is attached to the top of the semi-finished carbon fiber sandwich panel. Based on this, the auxiliary curing treatment of the outside of the semi-finished carbon fiber sandwich panel is completed. At this time, the low bubble laying treatment of the carbon fiber sandwich panel is completed.

Images