Carbon fiber paper winding device based on pull type straightening

Abstract

The invention relates to the technical field of carbon fiber paper winding, in particular to a carbon fiber paper winding device based on pulling type straightening. The carbon fiber paper transverse winding device comprises a movable cutting assembly which is used for driving carbon fiber paper to conduct transverse winding work. A flattening and diffusing assembly is arranged on the surface of the movable cutting assembly and used for transversely stirring the carbon fiber paper in the moving process, pushing force generated by stirring enables the bent carbon fiber paper to be unfolded in the stirring direction so that the carbon fiber paper can be flatly laid on the surface of the movable cutting assembly, and a vertical straightening and tensioning assembly is arranged on the surface of the movable cutting assembly. The vertical tightening and tensioning assembly is used for vertically pushing the carbon fiber paper in the moving process; the second rotating rod and the first rotating rod alternately make contact with the carbon fiber paper in the moving process, so that the tensioning force of the carbon fiber paper in the moving process is continuously switched, and the first rotating rod and the second rotating rod are arranged in the middle of the carbon fiber paper in the moving process, so that the tension coverage is more uniform.

Description

Technical Field

[0001] The invention relates to the technical field of carbon fiber paper winding, in particular to a carbon fiber paper winding device based on pulling-type straightening. Background Art

[0002] At present, carbon fiber woven cloth is also called carbon fiber cloth, carbon fiber cloth, carbon fiber cloth, carbon fiber prepreg cloth, carbon fiber reinforced cloth, carbon cloth, carbon fiber fabric, carbon fiber tape, carbon fiber sheet (prepreg cloth), etc. It is a unidirectional carbon fiber reinforcement product. Prepreg is a composition of resin matrix and reinforcement made by impregnating continuous fibers or fabrics with resin matrix under strictly controlled conditions. Commonly, carbon fiber woven cloth is woven with carbon fiber prepreg made by impregnating carbon fiber tows in resin.

[0003] There are many existing technologies for carbon fiber paper winding, such as:

[0004] Chinese patent publication number CN110775676A discloses an angle tension control method and device for stable transportation of carbon fiber prepreg tape, including an unwinding motor, a backing paper collection roller, a swing rod mechanism, a tension buffer mechanism, an angle detection mechanism and a control system; wherein, the material roll is connected to the unwinding motor, and the carbon fiber prepreg tape on the material roll is actively released by the unwinding motor, bypassing the backing paper collection roller to separate the prepreg tape from the backing paper, and then entering the tension buffer mechanism through the swing rod mechanism, and the angle detection mechanism is used to convert the change in the tension size in the carbon fiber prepreg tape into the change in the angle size, and feed back to the control system in real time to realize tension control. In the present invention, the conversion of small displacement and large angle is conducive to improving the rapid responsiveness of tension control, greatly improving the responsiveness of control, and being able to quickly adjust and control the tension. The present invention has a simple structure, is convenient for threading and winding the prepreg tape, has high work efficiency, and saves space in the creel.

[0005] It can be seen that during the winding process of most carbon fiber paper winding devices, the carbon fiber paper will have a certain elasticity due to material problems, causing wrinkles on the surface of the carbon fiber paper on the winding machine, or if the two sides of the carbon fiber paper are directly tightened when the carbon fiber paper is wound, the tension cannot completely cover the transmission part in the middle, but the tension is concentrated at both ends, which makes the carbon fiber paper easy to be damaged. For the overall winding work, the transmission efficiency and winding quality are low.

[0006] In view of this, the present invention provides a carbon fiber paper winding device based on pulling straightening. Summary of the invention

[0007] The purpose of the present invention is to provide a carbon fiber paper winding device based on pulling straightening to solve the problems raised in the above background technology.

[0008] To achieve the above object, the present invention provides a carbon fiber paper winding device based on pulling straightening, comprising a mobile cutting assembly, wherein the mobile cutting assembly is used to drive the carbon fiber paper to perform transverse winding;

[0009] The surface of the mobile cutting component is provided with a flattening and diffusing component, and the flattening and diffusing component is used to laterally push the carbon fiber paper during the movement. The driving force generated by the pushing makes the bent carbon fiber paper unfold in the direction of the pushing, so as to be spread flat on the surface of the mobile cutting component. The surface of the mobile cutting component is provided with a vertical straightening and tightening component, and the vertical straightening and tightening component is used to vertically push the carbon fiber paper during the movement, so that the original moving path is extended, and the pushing position is continuously switched, giving the carbon fiber paper a buffer time during the switching process, thereby limiting the carbon fiber paper from breaking.

[0010] As a further improvement of the present technical solution, the mobile cutting assembly includes a support frame, a take-up roller is rotatably connected to the surface of the support frame, a first motor is provided on the surface of the support frame for driving the take-up roller to rotate, an output shaft of the first motor passes through the support frame and is connected to the take-up roller, and the carbon fiber paper is driven to move and be wound through the rotation of the take-up roller.

[0011] As a further improvement of the technical solution, the flattening diffusion assembly includes a fixing frame, which is installed on the surface of the supporting frame. A rotating shaft is rotatably connected inside the fixing frame, and a second motor for driving the rotating shaft to rotate is installed on the surface of the fixing frame.

[0012] As a further improvement of the technical solution, the output shaft of the second motor passes through the fixed frame and is connected to the rotating shaft, a conveyor belt is engaged on the surface of the rotating shaft, the rotating shaft rotates to move the conveyor belt, and a connecting cylinder is installed on the surface of the conveyor belt.

[0013] As a further improvement of the present technical solution, a first elastic member is installed inside the connecting tube, and a sliding block is connected to the other end of the first elastic member. The sliding block and the connecting tube are slidably connected to limit the moving range of the sliding block, and the elastic force generated by the first elastic member pushes the sliding block to move vertically.

[0014] As a further improvement of the present technical solution, the vertical straightening and tensioning assembly includes a ball screw, which is rotatably connected to the support frame. A third motor for driving the ball screw to rotate is installed at the bottom of the support frame, and the output shaft of the third motor passes through the support frame and the ball screw.

[0015] As a further improvement of the technical solution, a connecting frame is threadedly connected to the surface of the ball screw, a first rotating rod is rotatably connected to the surface of the connecting frame, and a fixing block is installed on the surface of the support frame.

[0016] As a further improvement of the technical solution, a moving frame is slidably connected inside the fixed block, a fixed rod is inserted on the surface of the moving frame, and a hydraulic cylinder for driving the fixed rod to move is installed on the surface of the fixed block.

[0017] As a further improvement of the technical solution, the piston rod of the hydraulic cylinder passes through the fixed block and is connected to the fixed rod, the surface of the movable frame is rotatably connected to a second rotating rod, a second elastic member is installed inside the fixed block, and the other end of the second elastic member is connected to a clamping block.

[0018] As a further improvement of the technical solution, the moving frame will be intercepted by a block during its movement, and the block is pushed to move by pressure, and a third elastic member is connected to the surface of the moving frame, and the other end of the third elastic member is connected to the connecting frame.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. In the carbon fiber paper winding device based on pulling straightening, the second rotating rod and the first rotating rod alternately contact the carbon fiber paper in the moving process, so that the tension of the carbon fiber paper is constantly switched during the movement, and the first rotating rod and the second rotating rod are arranged in the middle position during the movement of the carbon fiber paper, so that the tension coverage is more uniform.

[0021] 2. In the carbon fiber paper winding device based on pulling-type straightening, the carbon fiber paper is squeezed during the movement of the sliding block, thereby pushing the carbon fiber paper to move, so that the carbon fiber paper is unfolded during the movement to avoid wrinkles. The sliding block is a metal material with a smooth surface, and the elastic force of the first elastic member is smaller than the pulling force of the winding roller, so that when the sliding block contacts the carbon fiber paper, the carbon fiber paper can only be moved a short distance, and the carbon fiber paper cannot be moved over a large area, because the sliding block cannot generate a large friction force with the carbon fiber paper during the movement, thereby avoiding the carbon fiber paper being stuck by the sliding block, and in the process of adjusting the wrinkles of the carbon fiber paper, the carbon fiber paper will not be damaged, thereby improving the stability of the device.

[0022] 3. In the carbon fiber paper winding device based on pulling straightening, the second rotating rod and the first rotating rod continuously switch the lifting positions, so that the carbon fiber paper is tightened at multiple points, avoiding the long distance between the tightening points, resulting in reduced tightening quality, and avoiding excessive tension causing the carbon fiber paper to break. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the moving direction of the carbon fiber paper of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the hydraulic cylinder of the present invention;

[0026] Figure 4 For the present invention Figure 3 A schematic diagram of the structure at A;

[0027] Figure 5 is a schematic structural diagram of a second elastic member of the present invention;

[0028] Figure 6 For the present invention Figure 5 A schematic diagram of the structure at B;

[0029] Figure 7 It is a schematic diagram of the first motor structure of the present invention.

[0030] The meaning of each number in the figure is:

[0031] 11. Mobile cutting assembly; 12. Support frame; 13. Take-up roller; 14. First motor;

[0032] 20. Flattening and diffusion assembly; 21. Fixing frame; 22. Rotating shaft; 23. Second motor; 24. Conveyor belt; 25. Connecting tube; 26. First elastic member; 27. Sliding block;

[0033] 30. Vertical straightening and tensioning assembly; 31. Ball screw; 32. Third motor; 34. Connecting frame; 35. First rotating rod; 36. Fixed block; 37. Moving frame; 38. Fixed rod; 39. Hydraulic cylinder; 40. Second rotating rod; 41. Second elastic member; 42. Block; 43. Third elastic member. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0035] 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 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, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0037] Carbon fiber woven cloth is also known as carbon fiber cloth, carbon fiber cloth, carbon fiber cloth, carbon fiber prepreg cloth, carbon fiber reinforced cloth, carbon cloth, carbon fiber fabric, carbon fiber tape, carbon fiber sheet (prepreg cloth), etc. It is a unidirectional carbon fiber reinforcement product. Prepreg is a composition of resin matrix and reinforcement made by impregnating continuous fibers or fabrics with a resin matrix under strictly controlled conditions. Commonly, carbon fiber woven cloth is woven using carbon fiber prepreg made by impregnating carbon fiber tows in resin.

[0038] See also Figure 1-Figure 7 As shown, the purpose of this embodiment is to provide a carbon fiber paper winding device based on pulling straightening, including a mobile cutting assembly 11, and the mobile cutting assembly 11 is used to drive the carbon fiber paper to perform horizontal winding work;

[0039] A flattening and diffusion component 20 is provided on the surface of the mobile cutting component 11. The flattening and diffusion component 20 is used to laterally shift the carbon fiber paper during the movement. The driving force generated by the shifting makes the bent carbon fiber paper unfold in the shifting direction, so as to be flattened on the surface of the mobile cutting component 11. A vertical straightening and tensioning component 30 is provided on the surface of the mobile cutting component 11. The vertical straightening and tensioning component 30 is used to vertically push the carbon fiber paper during the movement, so that the original moving path is extended, and the pushing position is continuously switched, giving the carbon fiber paper a buffer time during the switching process, thereby preventing the carbon fiber paper from breaking;

[0040] The mobile cutting assembly 11 includes a support frame 12, and a take-up roller 13 is rotatably connected to the surface of the support frame 12. A first motor 14 for driving the take-up roller 13 to rotate is provided on the surface of the support frame 12. The output shaft of the first motor 14 passes through the support frame 12 and is connected to the take-up roller 13. The rotation of the take-up roller 13 drives the carbon fiber paper to move and reel.

[0041] In the process of winding up most carbon fiber paper winding devices, the carbon fiber paper will have a certain elasticity due to the material problem, resulting in wrinkles on the surface of the carbon fiber paper winding machine. Therefore, the flattening and diffusion component 20 includes a fixing frame 21, which is installed on the surface of the support frame 12. The fixing frame 21 is rotatably connected with a rotating shaft 22. The surface of the fixing frame 21 is installed with a second motor 23 for driving the rotating shaft 22 to rotate;

[0042] The output shaft of the second motor 23 passes through the fixed frame 21 and is connected to the rotating shaft 22. A conveyor belt 24 is meshed on the surface of the rotating shaft 22. The rotating shaft 22 rotates to move the conveyor belt 24. A connecting cylinder 25 is installed on the surface of the conveyor belt 24. A first elastic member 26 is installed inside the connecting cylinder 25. A sliding block 27 is connected to the other end of the first elastic member 26. The sliding block 27 is slidably connected to the connecting cylinder 25 to limit the moving range of the sliding block 27. The elastic force generated by the first elastic member 26 pushes the sliding block 27 to move vertically.

[0043] Depend on Figure 3-Figure 4 As shown, when the carbon fiber paper needs to be rolled up, one end of the carbon fiber paper is firstly wound around the surface of the take-up roller 13, and then the first motor 14 is started to work, and the first motor 14 drives the take-up roller 13 to rotate, so that the carbon fiber paper starts to roll up and move;

[0044] During the movement of the carbon fiber paper, the second motor 23 is started to work, and the second motor 23 drives the rotating shaft 22 to rotate. The rotation of the rotating shaft 22 causes the conveyor belt 24 to move. The movement of the conveyor belt 24 drives the connecting tube 25 to move. During the movement of the connecting tube 25, the elastic force generated by the first elastic member 26 pushes the sliding block 27 to contact the bottom of the carbon fiber paper. At the same time, the sliding block 27 moves laterally through the connecting tube 25. During the movement of the sliding block 27, the carbon fiber paper is squeezed, thereby pushing the carbon fiber paper to move, so that the carbon fiber paper is unfolded during the movement to avoid wrinkles. The sliding block 27 is a metal material with a smooth surface, and the elastic force of the first elastic member 26 is less than the pulling force of the take-up roller 13, so that when the sliding block 27 contacts the carbon fiber paper, the carbon fiber paper can only be moved a short distance, and the carbon fiber paper cannot be moved over a large area, because the sliding block 27 cannot generate a large friction with the carbon fiber paper during the movement, thereby avoiding the carbon fiber paper being stuck by the sliding block 27, and in the process of adjusting the wrinkles of the carbon fiber paper, the carbon fiber paper will not be damaged, thereby improving the stability of the device.

[0045] When the carbon fiber paper is rolled up, if both sides of the carbon fiber paper are directly tightened, the tension cannot completely cover the transmission part in the middle, but the tension is concentrated at both ends, which makes it easy for the carbon fiber paper to be damaged. For the overall rolling work, the transmission efficiency and the rolling quality are low. Therefore, the vertical straightening and tightening assembly 30 includes a ball screw 31, which is rotatably connected to the support frame 12. A third motor 32 for driving the ball screw 31 to rotate is installed at the bottom of the support frame 12, and the output shaft of the third motor 32 passes through the support frame 12 and is connected to the ball screw 31;

[0046] The surface of the ball screw 31 is threadedly connected with a connecting frame 34, the surface of the connecting frame 34 is rotatably connected with a first rotating rod 35, a fixed block 36 is installed on the surface of the support frame 12, a moving frame 37 is slidably connected inside the fixed block 36, a fixed rod 38 is inserted on the surface of the moving frame 37, and a hydraulic cylinder 39 for driving the fixed rod 38 to move is installed on the surface of the fixed block 36;

[0047] The piston rod of the hydraulic cylinder 39 passes through the fixed block 36 and is connected to the fixed rod 38. The surface of the mobile frame 37 is rotatably connected to the second rotating rod 40. A second elastic member 41 is installed inside the fixed block 36. The other end of the second elastic member 41 is connected to a clamping block 42. The mobile frame 37 will be intercepted by the clamping block 42 during its movement. The clamping block 42 is pushed to move by pressure. The surface of the mobile frame 37 is connected to a third elastic member 43. The other end of the third elastic member 43 is connected to the connecting frame 34.

[0048] Depend on Figure 5-Figure 7 and Figure 2 As shown, during the movement of the carbon fiber paper, the third motor 32 is started to work, and the third motor 32 drives the ball screw 31 to rotate. The rotation of the ball screw 31 causes the connecting frame 34 to move vertically. The vertical movement of the connecting frame 34 will make the first rotating rod 35 contact the bottom of the carbon fiber paper, thereby lifting the carbon fiber paper upward, so that the carbon fiber paper is tightened from the middle part during the transmission process. At the same time, the upward movement of the first rotating rod 35 will create a distance from the moving frame 37. When the connecting frame 34 rises to the top, the third elastic member 43 is greatly pulled. At this time, the hydraulic cylinder 39 is started to work, and the hydraulic cylinder 39 drives the fixed rod 38 to move, so that the fixed rod 38 is separated from the inside of the moving frame 37. Figure 6 As shown, at this time, the third elastic member 43 rebounds to pull the movable frame 37 upward, and the movable frame 37 slides upward inside the fixed block 36;

[0049] The movable frame 37 will squeeze the block 42 during the sliding process, and the squeezed block 42 will squeeze the second elastic member 41. When the movable frame 37 passes through the block 42 and reaches the top of the fixed block 36, the second elastic member 41 generates elastic force to push the block 42 to move, thereby blocking the downward movement of the movable frame 37 and slowing down the downward movement of the movable frame 37.

[0050] Then, the output shaft of the third motor 32 is rotated in the opposite direction, so that the connecting frame 34 moves downward. The downward movement of the connecting frame 34 makes the third elastic member 43 unable to generate a pulling force on the movable frame 37, and the downward movement of the connecting frame 34 causes the first rotating rod 35 to move downward, thereby releasing the contact with the carbon fiber paper and replacing it with the second rotating rods 40 on both sides. The carbon fiber paper generates pressure, so that the second rotating rod 40 moves downward. Figure 2As shown, F is the moving direction of the carbon fiber paper, N is the moving direction of the second rotating rod 40, and M is the moving direction of the first rotating rod 35. When M moves upward, N will move upward, and when M moves downward, N will also move downward accordingly.

[0051] The second rotating rod 40 and the first rotating rod 35 alternately contact the carbon fiber paper during the movement, so that the tension of the carbon fiber paper is constantly switched during the movement, and the first rotating rod 35 and the second rotating rod 40 are arranged in the middle position of the carbon fiber paper during the movement, so that the tension coverage is more uniform, and the lifting position is constantly switched, so that the carbon fiber paper is tightened at multiple points, avoiding the long distance between the tightening points, resulting in a decrease in the tightening quality, and avoiding excessive tension causing the carbon fiber paper to be broken.

[0052] 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 by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A carbon fiber paper winding device based on pulling straightening, characterized in that: It comprises a movable cutting assembly (11), wherein the movable cutting assembly (11) is used to drive the carbon fiber paper to perform a transverse winding operation; The surface of the mobile cutting component (11) is provided with a flattening and diffusing component (20), and the flattening and diffusing component (20) is used to laterally shift the carbon fiber paper during the movement, and the driving force generated by the shifting causes the bent carbon fiber paper to unfold in the shifting direction, so as to be spread flat on the surface of the mobile cutting component (11). The surface of the mobile cutting component (11) is provided with a vertical straightening and tensioning component (30), and the vertical straightening and tensioning component (30) is used to vertically push the carbon fiber paper during the movement, so that the original movement path is extended, and the pushing position is continuously switched, and the carbon fiber paper is given a buffer time during the switching process, so as to prevent the carbon fiber paper from breaking.

2. The carbon fiber paper winding device based on pulling straightening according to claim 1 is characterized in that: The mobile cutting assembly (11) comprises a support frame (12), a take-up roller (13) is rotatably connected to the surface of the support frame (12), a first motor (14) is provided on the surface of the support frame (12) for driving the take-up roller (13) to rotate, an output shaft of the first motor (14) passes through the support frame (12) and is connected to the take-up roller (13), and the carbon fiber paper is driven to move and reel up through the rotation of the take-up roller (13).

3. The carbon fiber paper winding device based on pulling straightening according to claim 2 is characterized in that: The flattening diffusion component (20) comprises a fixing frame (21), the fixing frame (21) being mounted on the surface of a support frame body (12), a rotating shaft (22) being rotatably connected inside the fixing frame (21), and a second motor (23) for driving the rotating shaft (22) to rotate is mounted on the surface of the fixing frame (21).

4. The carbon fiber paper winding device based on pulling straightening according to claim 3 is characterized in that: The output shaft of the second motor (23) passes through the fixed frame (21) and is connected to the rotating shaft (22); a conveyor belt (24) is meshed on the surface of the rotating shaft (22); the rotating shaft (22) rotates to move the conveyor belt (24); and a connecting tube (25) is installed on the surface of the conveyor belt (24).

5. The carbon fiber paper winding device based on pulling straightening according to claim 4 is characterized in that: A first elastic member (26) is installed inside the connecting tube (25), and a sliding block (27) is connected to the other end of the first elastic member (26). The sliding block (27) and the connecting tube (25) are slidably connected to limit the moving range of the sliding block (27). The elastic force generated by the first elastic member (26) pushes the sliding block (27) to move vertically.

6. The carbon fiber paper winding device based on pulling straightening according to claim 2 is characterized in that: The vertical straightening and tensioning assembly (30) comprises a ball screw (31), the ball screw (31) is rotatably connected to the support frame (12), a third motor (32) for driving the ball screw (31) to rotate is installed at the bottom of the support frame (12), and an output shaft of the third motor (32) passes through the support frame (12) and is connected to the ball screw (31).

7. The carbon fiber paper winding device based on pulling straightening according to claim 6 is characterized in that: The surface of the ball screw (31) is threadedly connected to a connecting frame (34), the surface of the connecting frame (34) is rotatably connected to a first rotating rod (35), and the surface of the support frame (12) is mounted with a fixing block (36).

8. The carbon fiber paper winding device based on pulling straightening according to claim 7 is characterized in that: The fixed block (36) is slidably connected with a moving frame (37) inside, a fixed rod (38) is inserted on the surface of the moving frame (37), and a hydraulic cylinder (39) for driving the moving fixed rod (38) is installed on the surface of the fixed block (36).

9. The carbon fiber paper winding device based on pulling straightening according to claim 8 is characterized in that: The piston rod of the hydraulic cylinder (39) passes through the fixed block (36) and is connected to the fixed rod (38); the surface of the movable frame (37) is rotatably connected to a second rotating rod (40); a second elastic member (41) is installed inside the fixed block (36); and the other end of the second elastic member (41) is connected to a clamping block (42).

10. The carbon fiber paper winding device based on pulling straightening according to claim 9 is characterized in that: The movable frame (37) is intercepted by the block (42) during its movement, and the block (42) is pushed to move by pressure. A third elastic member (43) is connected to the surface of the movable frame (37), and the other end of the third elastic member (43) is connected to the connecting frame (34).

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