Carbon fiber straightness test device
By designing fixing and displacement components, the problem of insufficient adaptability of existing carbon fiber testing devices has been solved, enabling flexible fixing and accurate performance measurement of different carbon fiber materials, and improving testing efficiency and the degree of automation of data acquisition.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-27
AI Technical Summary
Existing carbon fiber testing devices have a simple structure, making them unsuitable for flexibly adapting to carbon fiber materials of different sizes and shapes, and thus difficult to meet diverse testing needs.
A fixing component and a semi-circular groove were designed, combined with an automated displacement component and pressure sensor, to achieve flexible fixing and precise pressure control of carbon fiber materials, adapting to carbon fiber materials of different sizes and shapes, and to accurately measure their bending performance.
It improves the applicability and efficiency of the testing device, enables accurate measurement of carbon fiber material properties and automated data acquisition, and supports quality control.
Smart Images

Figure CN224051826U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to carbon fiber testing technical field especially relates to carbon fiber straightness test device. BACKGROUND
[0002] The carbon fiber straightness test device is a device for detecting and evaluating the straightness (i.e. the degree of fiber arrangement) of carbon fiber materials during the manufacturing process. Straightness has a significant impact on the mechanical properties, strength and toughness of carbon fibers, so testing its straightness is very important in the production and application of carbon fibers. The straightness of carbon fibers is evaluated by measuring their bending, stretching or other physical properties under specific conditions.
[0003] However, the strength of carbon fibers needs to be repeatedly tested during research and development or production, and the two ends need to be fixed during testing. The existing test device has a simple structure and is not convenient for flexible testing of different carbon fiber materials. To solve the above problems, we have developed a carbon fiber straightness test device. UTILITY MODEL CONTENT
[0004] The utility model discloses carbon fiber straightness test device, to the research improvement of prior art structure and lack provides carbon fiber straightness test device to reach better practical value's purpose.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme:
[0006] The carbon fiber straightness test device, including the workbench, the bottom equidistance fixed connection of workbench has the base, the top of workbench is seted up with the recess, the recess is connected with two mounting brackets in the inside slide, the recess is provided with first displacement assembly in the inside, two the inside of mounting bracket is provided with fixed component, the top fixed connection of workbench has the mounting plate, the one side of mounting plate is seted up with the through slot, the through slot is provided with the connecting plate in the inside, the through slot is provided with second displacement assembly in the inside, the bottom fixed connection of connecting plate has the connecting block, the bottom of connecting block is provided with press block, the top of press block is seted up with the container groove, the inside of container groove and the outside slide of connecting block are connected, the inside of container groove is provided with extrusion block, the outside of extrusion block is provided with spring, the bottom of connecting block is seted up with the sliding slot, the top of sliding slot inner wall is provided with pressure sensor, the outside of extrusion block and the inside slide of sliding slot are connected.
[0007] In a preferred scheme, the fixing assembly comprises a second threaded rod, the second threaded rod is threadedly connected at the top of the mounting frame, the bottom of the second threaded rod extends to the inside of the mounting frame and is rotationally connected with a pressing plate, one side of the pressing plate is fixedly connected with a connecting rod, one end of the connecting rod is slidably connected with one side of the inner wall of the mounting frame.
[0008] In a preferred scheme, the bottom of the inner wall of the mounting frame is equidistantly provided with a semicircular groove, and the bottom of the pressing plate is provided with a rubber pad.
[0009] In a preferred scheme, the first displacement assembly comprises a lead screw, the lead screw is rotationally connected in the inside of the groove, the outside of the lead screw is threadedly connected with the inside of the mounting frame, one end of the lead screw extends to the outside of the workbench and is fixedly connected with a rotating disc, one end of the rotating disc is rotationally connected with a rotating handle.
[0010] In a preferred scheme, the second displacement assembly comprises a first threaded rod, the first threaded rod is rotationally connected in the inside of the through groove, the outside of the first threaded rod is threadedly connected with the inside of the connecting plate, the top of the mounting plate is provided with a motor, and the bottom of the output shaft of the motor is fixedly connected with the top of the first threaded rod.
[0011] In a preferred scheme, the inside of the through groove is equidistantly provided with a slide rod, and the outside of the slide rod is slidably connected with the inside of the connecting plate.
[0012] In a preferred scheme, the pressure sensor and the motor are electrically connected with an external controller.
[0013] The carbon fiber straightness testing device has the following advantages:
[0014] Firstly, the design of the fixing assembly and the semicircular groove enables the testing device to conveniently adapt to carbon fiber filaments and plates of different sizes and shapes, meeting diversified testing requirements.
[0015] Secondly, through the automatic second displacement assembly, the operator can more easily perform testing, reducing the complexity of manual operation and improving testing efficiency.
[0016] Thirdly, the design of the pressing block can accurately control the pressure applied to the carbon fiber material and contact the pressure sensor when the material is bent, thereby realizing more accurate bending resistance performance measurement, automatic data acquisition and recording by the sensor, providing convenience for subsequent analysis and helping quality control in the research and production processes.
[0017] Fourthly, through the first displacement assembly, the distance of the mounting plate can be quickly adjusted to adapt to carbon fiber materials of different sizes and shapes, and this flexibility improves the applicability of the testing equipment. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The utility model discloses a carbon fiber straightness test device's perspective schematic view is provided.
[0019] Figure 2 The utility model discloses a carbon fiber straightness test device's main view cross section schematic view is provided.
[0020] Figure 3 The utility model discloses a carbon fiber straightness test device's first explosion schematic view is provided.
[0021] Figure 4 The utility model discloses a carbon fiber straightness test device's second explosion schematic view is provided.
[0022] Figure 5 The utility model discloses a carbon fiber straightness test device's Figure 2 The utility model discloses a carbon fiber straightness test device's
[0023] In the drawing: 1, workbench;2, base;3, mounting frame;4, mounting plate;5, through slot;6, connecting plate;7, connecting block;8, pressing block;9, containing groove;10, extruding block;11, spring;12, sliding slot;13, pressure sensor;14, first threaded rod;15, sliding rod;16, motor;17, recess;18, screw;19, rotary table;20, steering wheel;21, semicircular groove;22, second threaded rod;23, pressing plate. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and indicated in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.
[0025] The carbon fiber straightness test device disclosed by the utility model is mainly applied to the scene of carbon fiber test.
[0026] Reference Figures 1 to 5The utility model provides a carbon fiber straightness test device, which comprises a workbench 1, a base 2 fixedly connected to the bottom of the workbench 1, a groove 17 formed in the top of the workbench 1, two mounting racks 3 slidably connected to the inside of the groove 17, a first displacement assembly arranged in the groove 17, a fixing assembly arranged in the two mounting racks 3, a mounting plate 4 fixedly connected to the top of the workbench 1, a through slot 5 formed in one side of the mounting plate 4, a connecting plate 6 arranged in the through slot 5, a second displacement assembly arranged in the through slot 5, a connecting block 7 fixedly connected to the bottom of the connecting plate 6, a pressing block 8 arranged at the bottom of the connecting block 7, a containing groove 9 formed in the top of the pressing block 8, the inside of the containing groove 9 slidably connected to the outside of the connecting block 7, an extrusion block 10 arranged in the containing groove 9, a spring 11 arranged on the outside of the extrusion block 10, a sliding groove 12 formed in the bottom of the connecting block 7, and a pressure sensor 13 arranged on the top of the inner wall of the sliding groove 12, the outside of the extrusion block 10 slidably connected to the inside of the sliding groove 12.
[0027] The fixing assembly comprises a second threaded rod 22 threadedly connected to the top of the mounting rack 3, and a pressing plate 23 rotatably connected to the bottom of the second threaded rod 22 and extending into the mounting rack 3, and a connecting rod fixedly connected to one side of the pressing plate 23 and slidably connected to one side of the inner wall of the mounting rack 3.
[0028] A semicircular groove 21 is formed in the bottom of the inner wall of the mounting rack 3, and the bottom of the pressing plate 23 is provided with a rubber pad.
[0029] In the above technical solution, considering that the strength of carbon fiber needs to be repeatedly tested during research and development or production, and the two ends of the carbon fiber need to be fixed during testing, the existing test device has the problems of simple structure and inconvenience in testing different carbon fiber materials. To solve these problems, the specific operation is as follows: the carbon fiber material is placed in the mounting rack 3 by using the fixing assembly and the semicircular groove 21, then the second threaded rod 22 is rotated to drive the pressing plate 23 to move downward until the carbon fiber material is pressed from above, the carbon fiber wire and the carbon fiber plate are fixed, then the second displacement assembly is used to drive the connecting block 7 and the pressing block 8 to move downward to press the carbon fiber material until it is bent, the extrusion block 10 contacts the pressure sensor 13, the bending resistance of the carbon fiber material is detected, and the performance of the carbon fiber material is tested. The spring 11 can make the extrusion block 10 move more smoothly, avoid collision with the pressure sensor 13, effectively protect the pressure sensor 13, and the design of the fixing assembly and the semicircular groove 21 makes the test device can conveniently adapt to carbon fiber wires and plates of different sizes and shapes, and meet the diversified testing requirements.
[0030] Reference Figures 1 to 5In a preferred embodiment, the first displacement assembly comprises a lead screw 18 which is rotationally connected inside the groove 17, the outer side of the lead screw 18 is threadedly connected with the inner side of the mounting frame 3, one end of the lead screw 18 extends to the outer side of the workbench 1 and is fixedly connected with a rotating disc 19, one end of the rotating disc 19 is rotationally connected with a rotating handle 20;
[0031] In the above technical solution, considering the problem that different sizes of carbon fiber materials need to be tested, in order to solve such problems, the specific operation is as follows: rotating the rotating handle 20 drives the rotating disc 19 to rotate, thereby driving the lead screw 18 to rotate, then adjusting the distance between the two mounting frames 3 according to different sizes of carbon fiber materials, and then fixing the carbon fiber materials on the mounting frames 3 for testing, which is simple to operate and improves the applicability of the testing equipment.
[0032] Reference Figures 1 to 5 In a preferred embodiment, the second displacement assembly comprises a first threaded rod 14 which is rotationally connected inside the through slot 5, the outer side of the first threaded rod 14 is threadedly connected with the inner side of the connecting plate 6, the top of the mounting plate 4 is provided with a motor 16, the bottom of the output shaft of the motor 16 is fixedly connected with the top of the first threaded rod 14, the inner side of the through slot 5 is equidistantly provided with a slide rod 15, and the outer side of the slide rod 15 is slidingly connected with the inner side of the connecting plate 6; by starting the motor 16 to drive the first threaded rod 14 to rotate, the slide rod 15 is used for limiting, thereby driving the connecting plate 6 to move downward, allowing the pressing block 8 to slowly contact the carbon fiber material, and then performing the bending resistance performance test.
[0033] Reference Figures 1 to 5 In a preferred embodiment, the pressure sensor 13 and the motor 16 are electrically connected with an external controller.
[0034] Working principle: when in use, first rotate the rotating handle 20 to drive the rotating disc 19 to rotate, thereby driving the lead screw 18 to rotate, then adjust the distance between the two mounting frames 3 according to different sizes of carbon fiber materials, then place the carbon fiber materials in the mounting frames 3, then simultaneously rotate the second threaded rod 22 to drive the pressing plate 23 to move downward until the carbon fiber materials are pressed from above and fixed, then start the motor 16 to drive the first threaded rod 14 to rotate, the slide rod 15 is used for limiting, thereby driving the connecting plate 6 to move downward, allowing the pressing block 8 to slowly contact the carbon fiber material, pressing the carbon fiber material until bending occurs, and allowing the pressing block 10 to contact the pressure sensor 13 to detect the bending resistance of the carbon fiber material, thereby testing the performance of the carbon fiber material. The contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.
[0035] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. According to the technical solution and the inventive concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.
Claims
1. A device for testing the straightness of carbon fibers, comprising a worktable (1), characterized in that, The bottom of the workbench (1) is fixedly connected with a base (2) at equal intervals, the top of the workbench (1) is provided with a groove (17), the inside of the groove (17) is slidably connected with two mounting racks (3), the inside of the groove (17) is provided with a first displacement assembly, the inside of the two mounting racks (3) is provided with a fixing assembly, the top of the workbench (1) is fixedly connected with a mounting plate (4), one side of the mounting plate (4) is provided with a through groove (5), the inside of the through groove (5) is provided with a connecting plate (6), the inside of the through groove (5) is provided with a second displacement assembly, the bottom of the connecting plate (6) is fixedly connected with a connecting block (7), the bottom of the connecting block (7) is provided with a pressing block (8), the top of the pressing block (8) is provided with a containing groove (9), the inside of the containing groove (9) is slidably connected with the outside of the connecting block (7), the inside of the containing groove (9) is provided with a pressing block (10), the outside of the pressing block (10) is provided with a spring (11), the bottom of the connecting block (7) is provided with a sliding groove (12), the top of the inner wall of the sliding groove (12) is provided with a pressure sensor (13), the outside of the pressing block (10) is slidably connected with the inside of the sliding groove (12).
2. The carbon fiber straightness test apparatus of claim 1, wherein, The fixing assembly comprises a second threaded rod (22), the second threaded rod (22) is threadedly connected at the top of the mounting rack (3), the bottom of the second threaded rod (22) extends to the inside of the mounting rack (3) and is rotatably connected with a pressing plate (23), one side of the pressing plate (23) is fixedly connected with a connecting rod, one end of the connecting rod is slidably connected with one side of the inner wall of the mounting rack (3).
3. The carbon fiber straightness test apparatus of claim 2, wherein, The bottom of the inner wall of the mounting rack (3) is provided with a semicircular groove (21) at equal intervals, the bottom of the pressing plate (23) is provided with a rubber pad.
4. The carbon fiber straightness test apparatus of claim 1, wherein, The first displacement assembly comprises a lead screw (18), the lead screw (18) is rotatably connected in the inside of the groove (17), the outside of the lead screw (18) is threadedly connected with the inside of the mounting rack (3), one end of the lead screw (18) extends to the outside of the workbench (1) and is fixedly connected with a rotating disc (19), one end of the rotating disc (19) is rotatably connected with a rotating handle (20).
5. The carbon fiber straightness test apparatus of claim 1, wherein, The second displacement assembly comprises a first threaded rod (14), the first threaded rod (14) is rotatably connected in the inside of the through groove (5), the outside of the first threaded rod (14) is threadedly connected with the inside of the connecting plate (6), the top of the mounting plate (4) is provided with a motor (16), the bottom of the output shaft of the motor (16) is fixedly connected with the top of the first threaded rod (14).
6. The carbon fiber straightness test apparatus of claim 1, wherein, The inside of the through groove (5) is provided with a sliding rod (15) at equal intervals, the outside of the sliding rod (15) is slidably connected with the inside of the connecting plate (6).
7. The carbon fiber straightness test apparatus of claim 1, wherein, The pressure sensor (13) and the motor (16) are electrically connected with an external controller.