A tensioning device for a carbon fiber reinforced carbon-based composite material preform

Abstract

The present invention discloses a tensioning device for a carbon fiber reinforced carbon-based composite material preform, comprising a supporting leg, a processing table and a fixed base, wherein the upper surface of the supporting leg is fixedly connected with the processing table, one end of the upper surface of the processing table is provided with a fixed base, one side of the fixed base is fixedly connected with a limit plate, the inner part of the limit plate is movably connected with a stretching block, one side of the stretching block is fixedly connected with a stretching rope, and one end of the stretching rope is fixedly connected with a non-return wheel. The present invention places one end of the carbon fiber inside the stretching block through the setting of the stretching block, and adjusts the turntable so that the fastening fastens the carbon fiber to play the effect of fixing the carbon fiber. After the carbon fiber is fixed inside the stretching block, the non-return wheel is rotated to tighten the stretching rope, thereby driving the stretching block to move, and the stretching block stretches the carbon fiber plate, and can correct the carbon fiber, thereby reducing the occurrence of loose bending of the finished product and improving the quality of the finished product.

Description

Technical Field

[0001] The invention relates to the technical field of carbon fiber composite materials, in particular to a tensioning device for a carbon fiber reinforced carbon-based composite material preform. Background Art

[0002] Carbon fiber is a special fiber mainly composed of carbon elements. Its carbon content varies with different types, but is generally above 90%. Carbon fiber has the characteristics of general carbon materials, such as high temperature resistance, friction resistance, electrical conductivity, thermal conductivity and corrosion resistance, but unlike general carbon materials, its appearance has significant anisotropy, softness, can be processed into various fabrics, and shows high strength along the fiber axis. Carbon fiber has a low specific gravity, so it has a high specific strength.

[0003] During the manufacturing process of existing carbon fibers, the carbon fibers are not tensioned, which may cause the finished products to become loose and bent, resulting in a decrease in quality. Therefore, a tensioning device for a carbon fiber reinforced carbon-based composite material preform is needed. Summary of the invention

[0004] The object of the present invention is to provide a tensioning device for a carbon fiber reinforced carbon-based composite material preform to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a tensioning device for a carbon fiber reinforced carbon-based composite material preform, comprising a supporting leg, a processing table and a fixed base, the upper surface of the supporting leg is fixedly connected to the processing table, one end of the upper surface of the processing table is provided with a fixed base, one side of the fixed base is fixedly connected to a limiting plate, the inner part of the limiting plate is movably connected to a stretching block, one side of the stretching block is fixedly connected to a stretching rope, one end of the stretching rope is fixedly connected to a non-return wheel, and one side of the non-return wheel is fixedly connected to a handle.

[0006] Preferably, a check tooth is fixedly connected to the outer surface of the check wheel, a clamping block is movably connected to the upper end of the check tooth, a rotating shaft is provided at one end of the clamping block, and a counterweight is fixedly connected to the other end of the clamping block.

[0007] Preferably, both sides of the non-return wheel are movably connected with support plates, one side of the clamping block is movably connected with a positioning plate, and one side of the positioning plate is fixedly connected with a supporting plate.

[0008] Preferably, a limiting plate is fixedly connected to the upper surface of the processing table, a rotating base is provided on one side of the limiting plate, a pull rod is movably connected to the top of the rotating base, a connecting strip is movably connected to the middle of the pull rod, a compression plate is movably connected to one side of the connecting strip, and a pressure block is fixedly connected to the bottom of the compression plate.

[0009] Preferably, a protective plate is fixedly connected to the lower end of the compression plate, a rotating bar is movably connected to one side of the compression plate, and the bottom of the rotating bar is movably connected to the processing table.

[0010] Preferably, a fastening block is movably connected inside the stretching block, a threaded rod is fixedly connected to the upper end of the fastening block, and a turntable is fixedly connected to the upper end of the threaded rod.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The present invention places one end of the carbon fiber inside the stretching block by setting a stretching block. By adjusting the turntable, the carbon fiber can be compressed by the fastener to fix the carbon fiber. After the carbon fiber is fixed inside the stretching block, the non-return wheel is rotated to tighten the stretching rope, thereby driving the stretching block to move. The stretching block stretches the carbon fiber plate, which can correct the carbon fiber, reduce the occurrence of loose bending of the finished product, and improve the quality of the finished product.

[0013] 2. The present invention sets a compression plate. After the pull rod is pulled, the pull rod drives the middle movable connection connecting strip to press the compression plate downward. The pressure block fixedly connected below the compression plate can compress the carbon fiber below, thereby increasing the pulling effect on the carbon fiber. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side structural schematic diagram of the present invention;

[0015] Figure 2 It is a schematic diagram of the side perspective structure of the stretching block of the present invention;

[0016] Figure 3 It is a schematic diagram of the front structure of the pull rod of the present invention;

[0017] Figure 4 For the present invention Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0018] In the figure: 1. Support leg; 2. Processing table; 3. Fixed base; 4. Limiting plate; 5. Stretching block; 6. Stretching rope; 7. Check wheel; 8. Handle; 9. Check tooth; 10. Block; 11. Rotating shaft; 12. Counterweight; 13. Support plate; 14. Positioning plate; 15. Support plate; 16. Rotating base; 17. Pull rod; 18. Connecting strip; 19. Compression plate; 20. Pressure block; 21. Protection plate; 22. Rotating strip; 23. Fastening block; 24. Threaded rod; 25. Turntable. DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-4 An embodiment of the present invention provides: a tensioning device for a carbon fiber reinforced carbon-based composite material preform, comprising a supporting leg 1, a processing table 2 and a fixed base 3, the upper surface of the supporting leg 1 is fixedly connected to the processing table 2, the processing table 2 is convenient for using a stretching block 5 to fix and stretch the carbon fiber, one end of the upper surface of the processing table 2 is provided with a fixed base 3, one side of the fixed base 3 is fixedly connected to a limiting plate 4, the inner movably connected to the limiting plate 4 is a stretching block 5, the limiting plate 4 can limit the moving direction of the stretching block 5, and play the effect of guiding the stretching block 5, one side of the stretching block 5 is fixedly connected to a stretching rope 6, one end of the stretching rope 6 is fixedly connected to a non-return wheel 7, the non-return wheel 7 can rotate in only one direction when rotating, so as to maintain the tension applied to the stretching block 5, and one side of the non-return wheel 7 is fixedly connected to a handle 8

[0023] Furthermore, a check tooth 9 is fixedly connected to the outer surface of the check wheel 7, and a clamping block 10 is movably connected to the upper end of the check tooth 9. A rotating shaft 11 is provided at one end of the clamping block 10, and a counterweight 12 is fixedly connected to the other end of the clamping block 10. The clamping block 10 can prevent the check wheel 7 from rotating in the reverse direction, and when the check wheel 7 rotates forward, the check tooth 9 can lift the clamping block 10 to facilitate the rotation of the check wheel 7.

[0024] Furthermore, both sides of the anti-return wheel 7 are movably connected with a support plate 13, one side of the clamping block 10 is movably connected with a positioning plate 14, and one side of the positioning plate 14 is fixedly connected with a supporting plate 15. The support plate 13 can support and fix the anti-return wheel 7, and the supporting plate 15 can fix and limit the rotation of the clamping block 10, thereby achieving an anti-return effect.

[0025] Furthermore, the upper surface of the processing table 2 is fixedly connected to the limit plate 4, and a rotating base 16 is provided on one side of the limit plate 4. A pull rod 17 is movably connected to the top of the rotating base 16, and a connecting strip 18 is movably connected to the middle of the pull rod 17. A compression plate 19 is movably connected to one side of the connecting strip 18, and a pressure block 20 is fixedly connected to the bottom of the compression plate 19. After pulling the pull rod 17, the pull rod 17 drives the connecting strip 18 movably connected in the middle to press the compression plate 19 downward, and the pressure block 20 fixedly connected below the compression plate 19 can press the carbon fiber below.

[0026] Furthermore, a protective plate 21 is fixedly connected to the lower end of the compression plate 19, and a rotating bar 22 is movably connected to one side of the compression plate 19. The bottom of the rotating bar 22 is movably connected to the processing table 2. The protective plate 21 can protect the carbon fiber and prevent the compression plate 19 from causing damage to the carbon fiber. The rotating bar 22 facilitates the movement of the compression plate 19 to compress the carbon fiber.

[0027] Furthermore, the inner part of the stretching block 5 is movably connected with a fastening block 23, the upper end of the fastening block 23 is fixedly connected with a threaded rod 24, the upper end of the threaded rod 24 is fixedly connected with a turntable 25, and the turntable 25 can be adjusted to rotate the threaded rod 24, thereby driving the fastening block 23 to descend, squeezing the carbon fiber inside, thereby increasing friction and fixing the carbon fiber.

[0028] Working principle: Place the carbon fiber inside the stretching block 5, and the entire turntable 25 can rotate the threaded rod 24 to drive the fastening block 23 down, squeeze the internal carbon fiber, thereby increasing the friction and fixing the carbon fiber, then rotate the non-return wheel 7, the non-return wheel 7 tightens the stretching rope 6, drives the stretching block 5 to move, pulls the internal carbon fiber, tightens the carbon fiber, and after pulling the pull rod 17, the pull rod 17 drives the middle movable connection connecting strip 18 to press the compression plate 19 downward, and the pressure block 20 fixedly connected below the compression plate 19 can press the carbon fiber below.

[0029] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A tensioning device for a carbon fiber reinforced carbon-based composite material preform, comprising a support leg (1), a processing table (2) and a fixed base (3), characterized in that: The upper surface of the support leg (1) is fixedly connected to a processing table (2), one end of the upper surface of the processing table (2) is provided with a fixed base (3), one side of the fixed base (3) is fixedly connected to a limit plate (4), the inner part of the limit plate (4) is movably connected to a stretching block (5), one side of the stretching block (5) is fixedly connected to a stretching rope (6), one end of the stretching rope (6) is fixedly connected to a non-return wheel (7), and one side of the non-return wheel (7) is fixedly connected to a handle (8); The outer surface of the non-return wheel (7) is fixedly connected with a non-return tooth (9), the upper end of the non-return tooth (9) is movably connected with a clamping block (10), one end of the clamping block (10) is provided with a rotating shaft (11), and the other end of the clamping block (10) is fixedly connected with a counterweight block (12); both sides of the non-return wheel (7) are movably connected with a supporting plate (13), one side of the clamping block (10) is movably connected with a positioning plate (14), and one side of the positioning plate (14) is fixedly connected with a supporting plate (15); the upper surface of the processing table (2) is fixedly connected with a limiting plate (4), A rotating base (16) is provided on one side of the limiting plate (4), and a pull rod (17) is movably connected to the top of the rotating base (16), and a connecting strip (18) is movably connected to the middle of the pull rod (17), and a compression plate (19) is movably connected to one side of the connecting strip (18), and a pressure block (20) is fixedly connected to the bottom of the compression plate (19); a protective plate (21) is fixedly connected to the lower end of the compression plate (19), and a rotating strip (22) is movably connected to one side of the compression plate (19), and the bottom of the rotating strip (22) is movably connected to the processing table (2).

2. The tensioning device for a carbon fiber reinforced carbon-based composite material preform according to claim 1, characterized in that: The stretching block (5) is movably connected to a fastening block (23) inside, the upper end of the fastening block (23) is fixedly connected to a threaded rod (24), and the upper end of the threaded rod (24) is fixedly connected to a rotating disk (25).

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