Carbon fiber yarn unwinding device

Abstract

The utility model discloses a carbon fiber yarn unwinding device, and belongs to the technical field of unwinding. The device mainly comprises a support; the mounting plate is mounted at the upper end of the bracket; the housing is mounted at the upper end of the mounting plate; the unwinding mechanism is installed in the support, and the unwinding mechanism is provided with a rotating shaft; a stop mechanism installed inside the housing, the stop mechanism including: a hydraulic cylinder installed inside the housing; the control rod is mounted at the output end of the hydraulic cylinder; the movable lever is hinged to one side of the bracket; the turntable is mounted at one end of the rotating shaft; and the clamping block is mounted at the upper end of the movable lever. According to the carbon fiber yarn unwinding device, by arranging the stopping mechanism, the purpose of stopping unwinding within a short time is achieved.

Description

Technical Field

[0001] This application relates to the field of unwinding technology, specifically to a carbon fiber unwinding device. Background Technology

[0002] Carbon fiber filaments are microcrystalline graphite materials obtained by carbonizing and graphitizing organic fibers (such as polyacrylonitrile fibers, pitch fibers, viscose fibers, etc.) at high temperatures. Their carbon content is usually above 90%, and their diameter is generally 5 to 10 micrometers, which is equivalent to one-tenth to one-twelfth the thickness of a human hair.

[0003] The carbon fiber unwinding device is a key piece of equipment in the manufacturing process of carbon fiber composite materials. Its core function is to realize the automated and high-precision unwinding of carbon fiber filaments or rolls, while ensuring that the fiber tension is constant and the path is accurate during the unwinding process, so as to meet the stringent requirements of high-end manufacturing fields for material performance.

[0004] For example, patent CN221662234U discloses a carbon fiber unwinding device. This patent uses a motor to drive the active roller to rotate, which facilitates the cooperation between the active roller and multiple driven rollers, multiple pressure shaft components, etc., thereby facilitating the unwinding of multiple carbon fiber bundles and improving work efficiency.

[0005] In actual use, the pay-off roller is usually controlled by a drive mechanism such as a motor. However, in abnormal situations, it cannot be stopped in a short time, resulting in excessive tension fluctuations, which may cause problems such as yarn breakage. This leads to an increase in defective products, requiring rework or scrapping, thus increasing production costs.

[0006] Therefore, it is necessary to provide a carbon fiber unwinding device to solve the above problems.

[0007] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore may include information that does not constitute prior art. Summary of the Invention

[0008] Based on the aforementioned problems in the existing technology, the problem to be solved by this application is to provide a carbon fiber unwinding device that solves the problem of being unable to stop in a short time under abnormal conditions, resulting in excessive tension fluctuations and potentially causing fiber breakage.

[0009] The technical solution adopted by this application to solve its technical problem is: a carbon fiber unwinding device, comprising:

[0010] support;

[0011] Mounting plate, which is mounted on the upper end of the bracket;

[0012] A housing, which is mounted on the upper end of the mounting plate;

[0013] An unwinding mechanism is installed inside the bracket and is used to unwind carbon fiber filaments. The unwinding mechanism has a rotating shaft.

[0014] A stopping mechanism, installed inside the housing, is used to stop the carbon fiber filament unwinding operation. The stopping mechanism includes:

[0015] A hydraulic cylinder, which is installed inside the housing;

[0016] A control lever, which is mounted on the output end of the hydraulic cylinder;

[0017] A movable lever, which is hinged to one side of the bracket;

[0018] A turntable is mounted at one end of the rotating shaft;

[0019] A locking block is installed on the upper end of the movable lever.

[0020] Furthermore, the control lever passes through the bracket and extends to the lower end of the bracket, the other end of the movable lever is fixedly connected to the control lever, and one end of the locking block is attached to the lower end of the turntable.

[0021] Furthermore, the rotating shaft is installed inside the bracket, a rotating roller is fixedly installed on the outside of the rotating shaft, a first motor is fixedly installed inside the bracket, and the output end of the first motor passes through the bracket and is fixedly connected to one of the rotating shafts.

[0022] Furthermore, the cover is provided with a tensioning mechanism, which includes a fixed frame fixedly mounted on the upper end of the mounting plate, a second motor fixedly mounted on the fixed frame, the second motor passing through the fixed frame and fixedly connected to a movable rod;

[0023] A through hole is provided on one side of the cover, and a tensioning wheel is rotatably provided on the other end of the movable rod.

[0024] Furthermore, a guide wheel is fixedly installed on the upper end of one side of the cover.

[0025] The beneficial effect of this application is that the carbon fiber unwinding device provided by this application, by setting a stop mechanism, achieves the purpose of stopping the unwinding in a short time.

[0026] In addition to the purposes, features, and advantages described above, this application has other purposes, features, and advantages. A further detailed description of this application will be provided below with reference to the figures. Attached Figure Description

[0027] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute an undue limitation of this application.

[0028] In the attached diagram:

[0029] Figure 1 This is an overall schematic diagram of the carbon fiber unwinding device in this application;

[0030] Figure 2 This is an exploded schematic diagram of the carbon fiber unwinding device in this application;

[0031] Figure 3 for Figure 1 A schematic diagram of A in the middle;

[0032] Figure 4 for Figure 1 Schematic diagram of the tensioning mechanism;

[0033] The following are the labeling elements in the figure:

[0034] 1. Support; 2. Unwinding mechanism; 20. Rotating shaft; 21. First motor; 22. Rotating roller; 3. Cover; 4. Tensioning mechanism; 40. Through hole; 41. Fixing frame; 42. Second motor; 45. Movable rod; 46. Tensioning wheel; 47. Guide wheel; 5. Stopping mechanism; 50. Hydraulic cylinder; 51. Control rod; 52. Movable lever; 53. Locking block; 54. Turntable; 6. Mounting plate. Detailed Implementation

[0035] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0036] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0037] like Figures 1-2As shown, this application provides a carbon fiber unwinding device, which is mainly installed inside the factory and is used to unwind carbon fiber filaments so that they can enter the carbonization furnace for subsequent processing. Specifically, the unwinding device includes a support 1 and an unwinding mechanism 2 disposed inside the support 1. The unwinding mechanism 2 includes a rotating shaft 20 rotatably disposed inside the support 1, and a rotating roller 22 is fixedly disposed on the rotating shaft 20. The rotating roller 22 is used to wind carbon fiber filaments.

[0038] Furthermore, a first motor 21 is fixedly installed inside the bracket 1. The output end of the first motor 21 passes through the bracket 1 and is fixedly connected to the rotating shaft 20. Thus, starting the first motor 21 can drive the rotating roller 22 to rotate between the brackets 1, so that when the rotating roller 22 rotates, the carbon fiber filaments wound on the rotating roller 22 can be unwound.

[0039] like Figures 1-4 As shown, a mounting plate 6 is fixedly installed on the upper end of the bracket 1, and a cover 3 is fixedly installed on the mounting plate 6. In order to tension the carbon fiber filaments during the unwinding process, a tensioning mechanism 4 is provided on the cover 3. The tensioning mechanism 4 has a tensioning wheel 46, which allows the carbon fiber filaments to pass through. Thus, after the carbon fiber filaments are released from the rotating roller 22, they can be conveyed through the tensioning wheel 46. By adjusting the tensioning wheel 46, the purpose of tensioning the carbon fiber filaments can be achieved.

[0040] The tensioning mechanism 4 also includes a fixed frame 41 fixedly mounted on the upper end of the mounting plate 6, and a second motor 42 fixedly mounted on the fixed frame 41. The output end of the second motor 42 passes through the fixed frame 41 and is fixedly connected to a movable rod 45. A through hole 40 is provided on one side of the cover 3, and the other end of the movable rod 45 extends through the through hole 40 to the other end. Thus, starting the second motor 42 can drive the movable rod 45 to move along the through hole 40.

[0041] Furthermore, the other end of the movable rod 45 is rotatably connected to the tension wheel 46, so that when the carbon fiber filament passes through the tension wheel 46, the movable rod 45 can be moved along the through hole 40 by starting the second motor 42, so as to achieve the effect of adjusting the tension of the carbon fiber filament.

[0042] Meanwhile, a guide wheel 47 is fixedly installed on the upper side of the cover 3. The guide wheel 47 also allows carbon fiber filaments to pass through, so that after the carbon fiber filaments pass through the tension wheel 46, they can be transported to other components through the guide wheel 47.

[0043] like Figures 1-3As shown, in order to prevent the tension from fluctuating too much and causing the filament to break due to the inability to stop in a short time under abnormal conditions, a stopping mechanism 5 is provided on one side of the bracket 1. The stopping mechanism 5 includes multiple sets of hydraulic cylinders 50 fixedly installed inside the cover 3, and a control rod 51 is fixedly installed at the output end of the hydraulic cylinder 50. The control rod 51 passes through the bracket 1 and extends to the lower end of the bracket 1, so that starting the hydraulic cylinder 50 can drive the control rod 51 to move vertically up and down.

[0044] Meanwhile, a movable lever 52 is hinged to one side of the bracket 1, and the other end of the movable lever 52 is hinged to the control rod 51, so that the hydraulic cylinder 50 can be activated by the control rod 51 to drive the movable lever 52 to rotate around one side of the bracket 1.

[0045] Furthermore, a turntable 54 is fixedly installed at one end of the rotating shaft 20 through the bracket 1, and a locking block 53 is fixedly installed on the movable lever 52. One end of the locking block 53 is attached to the lower end of the turntable 54 so that the turntable 54 can be stopped when one end of the locking block 53 is attached to the lower end of the turntable 54.

[0046] In case of an abnormal situation, the hydraulic cylinder 50 can be activated to drive the movable lever 52 to rotate around one side of the bracket 1 through the control lever 51 until one end of the locking block 53 is in contact with the lower end of the turntable 54. The turntable 54 can then be buffered by the locking block 53, thereby slowing down the rotation speed of the rotating roller 22 to a certain extent, and thus stopping the unwinding for a short time.

[0047] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A carbon fiber unwinding device, characterized in that: include: Scaffold (1); Mounting plate (6) is mounted on the upper end of the bracket (1); A cover (3) is mounted on the upper end of the mounting plate (6); An unwinding mechanism (2) is installed inside the bracket (1) and is used to unwind carbon fiber filaments. The unwinding mechanism (2) has a rotating shaft (20). A stop mechanism (5) is installed inside the housing (3) and is used to stop the unwinding operation of carbon fiber filaments. The stop mechanism (5) includes: A hydraulic cylinder (50) is installed inside the housing (3); A control lever (51) is mounted on the output end of the hydraulic cylinder (50); A movable lever (52) is hinged to one side of the bracket (1); A turntable (54) is mounted at one end of the rotating shaft (20); A locking block (53) is installed on the upper end of the movable lever (52).

2. The carbon fiber unwinding device according to claim 1, characterized in that: The control lever (51) passes through the bracket (1) and extends to the lower end of the bracket (1). The other end of the movable lever (52) is fixedly connected to the control lever (51). One end of the locking block (53) is attached to the lower end of the turntable (54).

3. The carbon fiber unwinding device according to claim 1, characterized in that: The rotating shaft (20) is installed inside the bracket (1). A rotating roller (22) is fixedly installed on the outside of the rotating shaft (20). A first motor (21) is fixedly installed inside the bracket (1). The output end of the first motor (21) passes through the bracket (1) and is fixedly connected to one of the rotating shafts (20).

4. The carbon fiber unwinding device according to claim 1, characterized in that: The cover (3) is provided with a tensioning mechanism (4), which includes a fixed frame (41) fixedly installed on the upper end of the mounting plate (6). A second motor (42) is fixedly installed on the fixed frame (41). The second motor (42) passes through the fixed frame (41) and is fixedly connected to a movable rod (45). A through hole (40) is provided on one side of the cover (3), and a tensioning wheel (46) is rotatably provided on the other end of the movable rod (45).

5. The carbon fiber unwinding device according to claim 1, characterized in that: A guide wheel (47) is fixedly installed on the upper end of one side of the cover (3).

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