Carbon fiber drapability testing device
By using light-based imaging measurement and components such as a fixed worktable and imaging plate, the error problem caused by fiber end wobbling in carbon fiber sag testing has been solved, achieving higher testing accuracy.
Patent Information
- Application Number
- CN202520254113.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Existing carbon fiber sag testing devices are prone to fiber tip wobbling during measurement due to the influence of the measuring tool, resulting in large testing errors.
The optical imaging measurement method is adopted, which reduces fiber end wobbling and improves measurement accuracy by using components such as a fixed worktable, guide wheels, support worktable, and imaging plate.
This reduces the measurement error of the horizontal distance between the fiber endpoint and the vertical line, and improves the accuracy of carbon fiber sag testing.
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Figure CN223581643U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to carbon fiber suspension property test technical field, specifically related to a carbon fiber suspension property testing device. BACKGROUND
[0002] Carbon fiber is a kind of composite material with light weight, high strength and modulus, due to having a series of excellent performance such as heat conduction, electricity conduction, corrosion resistance and small thermal expansion coefficient, is widely used in aerospace, rail transit, sports leisure, civil construction and medical equipment and multiple fields.
[0003] Carbon fiber suspension property refers to the performance of carbon fiber due to self weight and droop, the greater the suspension degree, the harder the fiber, the smaller the suspension degree, indicates that the fiber is softer, therefore, usually take the suspension degree of carbon fiber as the balance point of carbon fiber processing technology optimization.
[0004] Most of the carbon fiber suspension property testing device in prior art mainly adopts the direct measurement of the distance between fiber end point and plumb line, when this way is used to test the suspension property of carbon fiber, fiber end point is easy to be affected by measuring tool and appear shaking condition, thereby the error of testing the suspension property of carbon fiber is larger.
[0005] Therefore, in view of the above technical problems, it is necessary to provide a carbon fiber suspension property testing device.
[0006] The information disclosed in this background section is intended only to increase an understanding of the general background of the present utility model and should not be construed as an acknowledgment or any form of suggestion that this information constitutes prior art with respect to the present utility model. CONTENT OF UTILITY MODEL
[0007] The utility model aims at providing a carbon fiber suspension property testing device, which can improve the accuracy of testing the suspension property of carbon fiber.
[0008] In order to achieve the above-mentioned purpose, a carbon fiber suspension property testing device is provided in a specific embodiment of the utility model, which comprises a fixed workbench, a guide wheel is rotatably assembled on one side of the fixed workbench, a fixed module is slidably assembled on the side of the fixed workbench away from the guide wheel, the fixed module is arranged above the fixed workbench, a supporting workbench is arranged on the side of the fixed workbench away from the guide wheel, a cutting blade is slidably assembled on the side of the supporting workbench close to the fixed workbench, the cutting blade is arranged above the supporting workbench, an imaging plate is fixedly assembled between the fixed workbench and the supporting workbench, a daylight lamp is fixedly assembled on the side of the fixed workbench away from the imaging plate, and the daylight lamp is arranged in cooperation with the imaging plate.
[0009] In one or more embodiments of the utility model, the lower part of the fixed worktable is fixedly provided with a first supporting leg. The fixed worktable is supported and fixed by the first supporting leg, thereby ensuring the use stability of the fixed worktable. The outer side of the guide wheel is rotatably provided with a wheel frame, and the wheel frame is fixedly connected with the side wall of the fixed worktable. The wheel frame plays a role of assembly limiting for the guide wheel.
[0010] In one or more embodiments of the utility model, the upper part of the fixed worktable is fixedly provided with a cylinder support. The cylinder support plays a role of assembly fixing for the driving cylinder. One side of the cylinder support close to the fixed worktable is fixedly connected with the driving cylinder. The fixed telescopic rod is controlled to slide and lift by controlling the air inlet and air outlet of the driving cylinder, thereby facilitating the synchronous lifting control of the fixed module.
[0011] In one or more embodiments of the utility model, the fixed telescopic rod is slidably arranged in the driving cylinder, and one end of the fixed telescopic rod outside the driving cylinder is fixedly connected with the fixed module. The fixed telescopic rod plays a role of connection fixing for the fixed module, and the fixed module is controlled to lift by controlling the fixed telescopic rod to lift, thereby facilitating the control of the pressing and fixing state of the fiber tows on the fixed worktable.
[0012] In one or more embodiments of the utility model, the lower part of the supporting worktable is fixedly connected with a second supporting leg. The supporting worktable is supported and fixed by the second supporting leg, thereby ensuring the use stability of the supporting worktable. One side of the supporting worktable away from the fixed worktable is fixedly connected with a tractor. The tractor plays a role of traction guiding for the fiber tows, thereby ensuring the stability of the traction movement of the fiber tows.
[0013] In one or more embodiments of the utility model, the upper part of the supporting worktable is fixedly provided with a fixed support. The fixed support plays a role of assembly fixing for the cutting-off cylinder. One side of the fixed support close to the supporting worktable is fixedly connected with the cutting-off cylinder. The extension and contraction state of the cutting-off telescopic rod is controlled by controlling the air inlet and air outlet of the cutting-off cylinder, thereby facilitating the lifting and moving control of the cutting blade.
[0014] In one or more embodiments of the utility model, the cutting-off telescopic rod is slidably arranged in the cutting-off cylinder, and one end of the cutting-off telescopic rod outside the cutting-off cylinder is fixedly connected with the cutting blade. The cutting blade is controlled to move by controlling the extension and lift of the cutting-off telescopic rod, thereby facilitating the cutting treatment of the fiber tows.
[0015] In one or more embodiments of the present application, the imaging plate is a transparent plate. The imaging plate is used to measure the drape of the fiber tow by measuring the projection of the fiber tow on the imaging plate. The imaging plate is slidably mounted on the outside of the plate frame, which is fixedly mounted between the fixed workbench and the supporting workbench.
[0016] In one or more embodiments of the present application, the daylight lamp is fixedly mounted on the outside of the plate frame, which is fixedly mounted between the fixed workbench and the supporting workbench. The light guide cover is used to guide the light out of the daylight lamp.
[0017] In one or more embodiments of the present application, the fixed workbench is provided with a fiber tow on the top, which is sleeved on the outside of the guide wheel, and a weight is fixedly connected to the end of the fiber tow away from the supporting workbench. The weight is used to correct the bending and twisting of the fiber tow.
[0018] Compared with the prior art, the carbon fiber drape testing device disclosed by the present application reduces the shaking of the fiber end point caused by direct measurement, reduces the measurement error of the horizontal distance between the fiber end point and the vertical line, and improves the accuracy of the carbon fiber drape testing. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.
[0020] Figure 1 FIG. 1 is a perspective view of a carbon fiber drape testing device according to an embodiment of the present application;
[0021] Figure 2 FIG. 2 is a top view of a carbon fiber drape testing device according to an embodiment of the present application;
[0022] Figure 3 FIG. 3 is another perspective view of a carbon fiber drape testing device according to an embodiment of the present application;
[0023] Figure 4 FIG. 4 is a schematic view of a tension applying state of a carbon fiber drape testing device according to an embodiment of the present application;
[0024] Figure 5 FIG. 5 is a schematic view of a cutting drape state of a carbon fiber drape testing device according to an embodiment of the present application.
[0025] Main reference sign explanation:
[0026] 1-fixed workbench, 2-guide wheel, 3-fixed module, 4-support workbench, 5-cutting blade, 6-imaging plate, 7-daylight, 8-first support leg, 9-wheel frame, 10-cylinder bracket, 11-driving cylinder, 12-fixed telescopic rod, 13-second support leg, 14-puller, 15-fixed support, 16-cutting cylinder, 17-cutting telescopic rod, 18-plate frame, 19-light guide cover, 20-fiber tow, 21-weight. DETAILED DESCRIPTION
[0027] In order to make the person skilled in the art better understand the technical scheme in the utility model, the technical scheme in the embodiment of the utility model will be described clearly and completely below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.
[0028] As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1. Figures 1 to 5 As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1.
[0029] As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1. Figures 1 to 3 As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1.
[0030] As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1. Figures 1 to 5 As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1.
[0031] As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1. Figures 1 to 2 As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1.
[0032] As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1. Figures 1 to 3 As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1.
[0033] As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1. Figures 1 to 3 As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1. As shown in the utility model one embodiment of a carbon fiber suspension test device, including fixed workbench 1.
[0034] As Figures 1 to 3 shown in the figure, the cylinder support 10 is fixedly connected with the driving cylinder 11 close to one side of the fixed workbench 1. The fixed telescopic rod 12 is controlled to slide and lift by controlling the way of the driving cylinder 11 to intake and exhaust, so as to facilitate the synchronous lifting control of the fixed module 3.
[0035] As Figures 1 to 3 shown in the figure, the fixed telescopic rod 12 is slidingly assembled in the driving cylinder 11, and the fixed telescopic rod 12 is fixedly connected with the fixed module 3 at one end outside the driving cylinder 11. The fixed telescopic rod 12 plays a role of connecting and fixing the fixed module 3, and the fixed module 3 is controlled to lift by controlling the lifting of the fixed telescopic rod 12, so as to facilitate the control of the pressing and fixing state of the fiber bundle 20 on the fixed workbench 1.
[0036] As Figures 1 to 3 shown in the figure, the fixed workbench 1 is provided with a supporting workbench 4 away from one side of the guide wheel 2. The fiber bundle 20 is assisted and limited by the supporting workbench 4.
[0037] As Figures 1 to 3 shown in the figure, the second supporting leg 13 is fixedly connected below the supporting workbench 4. The supporting workbench 4 is supported and fixed by the second supporting leg 13, so as to ensure the use stability of the supporting workbench 4.
[0038] As Figures 1 to 3 shown in the figure, the traction device 14 is fixedly connected away from one side of the fixed workbench 1. The fiber bundle 20 is guided and pulled by the traction device 14, so as to ensure the stability of the pulling and moving of the fiber bundle 20.
[0039] As Figures 1 to 3 shown in the figure, the cutting blade 5 is slidingly assembled close to one side of the supporting workbench 4, and the cutting blade 5 is arranged above the supporting workbench 4. The fiber bundle 20 supported on the supporting workbench 4 is cut by controlling the cutting blade 5 and the supporting workbench 4.
[0040] As Figures 1 to 3 shown in the figure, the fixed support 15 is fixedly assembled above the supporting workbench 4. The fixed support 15 plays a role of assembling and fixing the cutting cylinder 16. The cutting cylinder 16 is fixedly connected close to one side of the fixed support 15. The extension and retraction state of the cutting telescopic rod 17 is controlled by controlling the way of the cutting cylinder 16 to intake and exhaust, so as to facilitate the lifting and moving control of the cutting blade 5.
[0041] As Figures 1 to 3As shown, a cutting telescopic rod 17 is slidably mounted inside the cutting cylinder 16, and one end of the cutting telescopic rod 17 located outside the cutting cylinder 16 is fixedly connected to the cutting blade 5. The movement of the cutting blade 5 is controlled by extending and lowering the cutting telescopic rod 17, thereby facilitating the cutting of the fiber bundle 20.
[0042] like Figure 3 As shown, an imaging plate 6 is fixedly assembled between the fixed worktable 1 and the supporting worktable 4. The imaging plate 6 is used to perform imaging tests on the fiber bundle 20 suspended between the fixed worktable 1 and the supporting worktable 4.
[0043] Specifically, the imaging plate 6 is a transparent plate. This facilitates the measurement of the drape of the fiber bundle 20 by measuring the projection of the fiber bundle 20 onto the imaging plate 6.
[0044] like Figure 3 As shown, a plate frame 18 is slidably mounted on the outer side of the imaging plate 6, and the plate frame 18 is fixedly mounted between the fixed worktable 1 and the supporting worktable 4. The plate frame 18 serves to assemble and fix the imaging plate 6.
[0045] like Figure 1 As shown, a fluorescent lamp 7 is fixedly mounted on the side of the fixed worktable 1 away from the imaging plate 6, and the fluorescent lamp 7 is configured in conjunction with the imaging plate 6. By controlling the operation of the fluorescent lamp 7, light imaging is performed on the fiber bundle 20 suspended between the fixed worktable 1 and the supporting worktable 4.
[0046] like Figures 4 to 5 As shown, a light guide cover 19 is fixedly mounted on the outside of the fluorescent lamp 7, and the light guide cover 19 is fixedly mounted between the fixed worktable 1 and the supporting worktable 4. The light guide cover 19 serves to guide the light from the fluorescent lamp 7.
[0047] like As shown, a fiber bundle 20 is arranged above the fixed worktable 1. The fiber bundle 20 is fitted onto the outside of the guide wheel 2, and a weight 21 is fixedly connected to the end of the fiber bundle 20 away from the worktable 4. The weight 21 is used to correct the degree of bending and twisting of the fiber bundle 20.
[0048] In practical use, the carbon fiber unwound from the carbon fiber roll is cut into fiber bundles 20 with a length of 50-70cm. One end of the fiber bundle 20 is connected to a weight 21. The movement of the fixing module 3 is controlled by extending the fixed telescopic rod 12. The fiber bundle 20 is fixed by the cooperation between the fixing module 3 and the fixed workbench 1. The end of the fiber bundle 20 with the weight 21 is suspended and left to stand for 30 minutes to correct the bending and twisting of the fiber bundle 20.
[0049] After 30 minutes, the fixed module 3 is lifted by controlling the fixed telescopic rod 12 to retract, and the fiber tow 20 is pulled through the cutting blade 5, the supporting workbench 4 and the puller 14 in turn, and then the fixed telescopic rod 12 is controlled to extend again, so that the fixed module 3 fixes the fiber tow 20. At the same time, the cutting telescopic rod 17 is controlled to extend, and the fiber tow 20 is cut by the cooperation of the cutting blade 5 and the supporting workbench 4. The cut fiber tow 20 is curved downward in an arc shape under the action of gravity due to the loss of support, and the distance between the fixed workbench 1 and the supporting workbench 4 is the effective length of the fiber tow 20 hanging.
[0050] The daylight lamp 7 between the fixed workbench 1 and the supporting workbench 4 is started, and the fiber tow 20 curved downward in an arc shape is imaged on the imaging plate 6 at the rear side of the device by the irradiation of the daylight lamp 7. Since the imaging plate 6 is a transparent plate, the horizontal distance between the imaging point of the fiber end point and the vertical line can be directly measured with a ruler, so that the carbon fiber hanging property is measured.
[0051] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0052] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.
Claims
1. A carbon fiber drapability testing apparatus, characterized by, The utility model provides a kind of cutting device for fiber filament, including fixed workbench, one side of the fixed workbench is equipped with guide wheel, the side of the fixed workbench deviating from guide wheel is equipped with fixed module, the fixed module is arranged above the fixed workbench, the side of the fixed workbench deviating from guide wheel is equipped with supporting workbench, the side of the supporting workbench close to the fixed workbench is equipped with cutting blade, the cutting blade is arranged above the supporting workbench, the fixed workbench and supporting workbench are fixedly equipped with imaging plate between, the side of the fixed workbench deviating from imaging plate is fixedly equipped with daylight lamp, and the daylight lamp is cooperated with imaging plate.
2. A carbon fiber drape test apparatus according to claim 1, wherein, The lower side of the fixed workbench is fixedly equipped with a first supporting leg, and the outer side of the guide wheel is rotatably equipped with a wheel frame.
3. The carbon fiber drape test apparatus of claim 1, wherein, The upper side of the fixed workbench is fixedly equipped with a cylinder bracket, and the side of the cylinder bracket close to the fixed workbench is fixedly connected with a driving cylinder.
4. The carbon fiber drape test apparatus of claim 3, wherein, A fixed telescopic rod is slidably arranged in the driving cylinder, and one end of the fixed telescopic rod outside the driving cylinder is fixedly connected with the fixed module.
5. The carbon fiber drape test apparatus of claim 1, wherein, The lower side of the supporting workbench is fixedly connected with a second supporting leg, and the side of the supporting workbench deviating from the fixed workbench is fixedly connected with a traction device.
6. The carbon fiber drape test apparatus of claim 1, wherein, The upper side of the supporting workbench is fixedly equipped with a fixed bracket, and the side of the fixed bracket close to the supporting workbench is fixedly connected with a cutting cylinder.
7. A carbon fiber drape test apparatus according to claim 6, wherein, A cutting telescopic rod is slidably arranged in the cutting cylinder, and one end of the cutting telescopic rod outside the cutting cylinder is fixedly connected with the cutting blade.
8. The carbon fiber drape test apparatus of claim 1, wherein, The imaging plate is a transparent plate, and a plate frame is slidably arranged on the outer side of the imaging plate.
9. The carbon fiber drape test apparatus of claim 1, wherein, The outer side of the daylight lamp is fixedly equipped with a light guide cover, and the light guide cover is fixedly equipped between the fixed workbench and the supporting workbench.
10. The carbon fiber drape test apparatus of claim 1, wherein, The upper side of the fixed workbench is arranged with a fiber filament bundle, the fiber filament bundle is sleeved on the outer side of the guide wheel, and one end of the fiber filament bundle away from the supporting workbench is fixedly connected with a weight.