Carbon fiber broken filament collecting device and carbon fiber production line

Abstract

The utility model provides a carbon fiber broken filament collecting device and a carbon fiber production line. The carbon fiber broken filament collecting device comprises a frame body, the frame body is sequentially provided with a first guide roller, a filament removing assembly and a second guide roller so that filament bundles can sequentially pass through the first guide roller, the filament removing assembly and the second guide roller, and the filament removing assembly is used for making contact with the filament bundles to separate broken filaments; the frame body is further provided with a collecting assembly, the collecting assembly is provided with a collecting cavity located below the filament removing assembly, and the collecting assembly is further configured to provide negative pressure for the collecting cavity so as to collect broken filaments. According to the technical scheme, the first guide roller and the second guide roller can play a role in guiding the tows to move, and the tow removing assembly can remove broken filaments when making contact with the tows. Part of the removed broken filaments can fall into a collecting cavity below the filament removing assembly under the action of gravity and then are collected into the collecting cavity under the action of negative pressure.

Description

Technical Field

[0001] This application relates to the field of carbon fiber production technology, and more specifically, to a carbon fiber filament collection device and a carbon fiber production line. Background Technology

[0002] Carbon fiber is a new type of fiber material with a carbon content of over 90%, possessing high specific strength and high specific modulus. Its density is lower than aluminum, its strength is higher than steel, and it exhibits properties such as high temperature resistance and corrosion resistance. It also retains the flexibility and processability of fibers, making it an important material in defense, aerospace, and civilian equipment industries. In the production process of carbon fiber, the fiber filament grade is a crucial performance indicator. The lower the filament grade, the smoother the unwinding process of the carbon fiber. Therefore, reducing the filament grade of the carbon fiber bundle is particularly important in the weaving of carbon fiber fabric. Utility Model Content

[0003] The purpose of this application is to provide a carbon fiber filament collection device and a carbon fiber production line to remove and collect the filaments generated during the carbon fiber production process.

[0004] The embodiments of this application are implemented as follows:

[0005] In a first aspect, embodiments of this application provide a carbon fiber filament collection device, including a frame, wherein a first guide roller, a filament removal component, and a second guide roller are sequentially arranged on the frame, so that the filament bundle passes sequentially through the first guide roller, the filament removal component, and the second guide roller, wherein the filament removal component is used to contact the filament bundle to separate the filaments; the frame is also provided with a collection component, wherein the collection component has a collection cavity located below the filament removal component, and the collection component is further configured to provide negative pressure to the collection cavity to collect the filaments.

[0006] In the above technical solution, the first guide roller and the second guide roller can guide the movement of the filament bundle, and the filament removal component can remove the filaments when it comes into contact with the filament bundle. The removed filaments can fall into the collection chamber below the filament removal component under the action of gravity, and then be collected into the collection chamber under the action of negative pressure.

[0007] In some alternative embodiments, the defilament removal assembly includes a first rod-shaped structure and a second rod-shaped structure for contacting the filament bundle, with a gap formed between the first rod-shaped structure and the second rod-shaped structure for the filament bundle to pass through; the defilament removal assembly is configured such that gap is adjustable.

[0008] In the above technical solution, the filament bundle can pass through the gap between the first rod-shaped structure and the second rod-shaped structure. By adjusting the size of the gap, different filament sizes can be accommodated, and the ability to remove filaments can be adjusted.

[0009] In some alternative implementations, both the first rod-shaped structural member and the second rod-shaped structural member are connected to the frame via threaded fasteners.

[0010] In the above technical solution, both the first rod-shaped structural member and the second rod-shaped structural member are connected to the frame by threaded fasteners, which can be easily disassembled to clean the lint attached to the first rod-shaped structural member and the second rod-shaped structural member.

[0011] In some alternative embodiments, the second rod-shaped structural member is located on the side of the first rod-shaped structural member away from the frame. The second rod-shaped structural member is provided with a through hole and is connected to the frame by a screw passing through the through hole. It is movable along the axis of the screw to adjust the gap.

[0012] In the above technical solution, by adjusting the depth to which the screw passing through the through hole is screwed into the frame, the movable distance of the second rod-shaped structural member along the screw axis can be changed, thereby changing the gap between the first rod-shaped structural member and the second rod-shaped structural member.

[0013] In some alternative embodiments, the first rod-shaped structural member has a first plane facing the gap, and the second rod-shaped structural member has a second plane facing the gap.

[0014] In the above technical solution, as the filament bundle passes through the gap, the first rod-shaped structural member and the second rod-shaped structural member can contact the filament bundle through a plane, resulting in a larger contact area and making it easier to remove fuzz from the filament bundle.

[0015] In some alternative embodiments, both the first plane and the second plane are provided with rough portions for contacting the filament bundle.

[0016] In the above technical solution, by providing rough portions on the first plane and the second plane, the filament bundle can come into contact with the rough portions when passing through the gap between the first rod-shaped structure and the second rod-shaped structure. The rough portions can provide greater friction to the filaments on the filament bundle, making the filaments easier to remove.

[0017] In some alternative embodiments, the rough portion is made of cotton fabric.

[0018] In the above technical solution, cotton cloth is used as the rough part, which is low in cost and easy to set up, and will not damage the filament bundle.

[0019] In some alternative embodiments, the gap is located between the first guide roller and the second guide roller in a direction perpendicular to the first plane or the second plane.

[0020] In the above technical solution, since the gap is located between the first guide roller and the second guide roller in the direction perpendicular to the first plane or the second plane, one side of the filament bundle can contact the first plane and the other side can contact the second plane, so as to better remove the fuzz on the filament bundle.

[0021] In some alternative embodiments, the lower part of the frame is a base plate, the collection chamber is disposed in the base plate, and the base plate is also provided with a lint collection port communicating with the collection chamber. The lint collection port is located below the lint removal assembly, so that the lint removed by the lint removal assembly passes through the lint collection port. The collection assembly includes a fan and a pipe communicating with the fan and the collection chamber. The pipe is provided with a filter screen for filtering lint.

[0022] In the above technical solution, the collection chamber is located inside the base plate, resulting in a relatively simple structure. The lint collection port on the base plate allows lint to enter the collection chamber. Positioning the lint collection port below the lint removal assembly facilitates the lint falling to the location of the collection port. Connecting the collection chamber to a ventilation fan via a pipe allows the fan to provide negative pressure to the collection chamber, thereby drawing lint passing through the lint collection port into the collection chamber.

[0023] Secondly, embodiments of this application provide a carbon fiber production line, including the carbon fiber filament collection device provided in the first aspect. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 A carbon fiber filament collection device provided in this application embodiment;

[0026] Figure 2 This is a schematic diagram of the desiccant assembly installed on the frame according to an embodiment of this application.

[0027] Icons: 100-Frame; 110-Base plate; 120-Column; 210-First guide roller; 220-Second guide roller; 300-De-filament assembly; 310-First rod-shaped structural component; 311-First plane; 320-Second rod-shaped structural component; 321-Second plane; 330-Gap; 340-Screw; 410-Pipe; 420-First filter screen. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0030] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0031] In the description of this application, it should be noted that the terms "center," "upper," "lower," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. In addition, the terms "first," "second," and "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0032] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0034] This application provides a carbon fiber production line, including a carbon fiber filament collection device for collecting filaments attached to the fiber bundle during the carbon fiber production process. During production, the fiber bundle undergoes multiple processing steps to obtain carbon fiber, and some of the filaments on the fiber bundle aggregate into small clumps and adhere to the fiber bundle.

[0035] like Figure 1 As shown, the carbon fiber filament collecting device provided in this application embodiment includes a frame 100, and a first guide roller 210, a filament removal component 300, and a second guide roller 220 disposed on the frame 100. The first guide roller 210, the filament removal component 300, and the second guide roller 220 are disposed on the frame 100 in a single configuration. When the filament bundle passes through the carbon fiber filament collecting device provided in this application, it passes through the first guide roller 210, the filament removal component 300, and the second guide roller 220 in sequence. The first guide roller 210 and the second guide roller 220 can guide the movement of the filament bundle, and the filament removal component 300 is used to contact the filament bundle to separate the filaments.

[0036] Furthermore, in some embodiments, the frame 100 is also provided with a collection component, which has a collection cavity located below the desiccant assembly 300. The collection component can also provide negative pressure to the collection cavity to collect the lint. It is easy to understand that after the lint is removed from the filament bundle, some lint will fall naturally. By providing negative pressure to the collection cavity located below the desiccant assembly 300, the fallen lint can be collected.

[0037] In some embodiments, the defilament removal assembly 300 includes a first rod-shaped structure 310 and a second rod-shaped structure 320 for contacting the filament bundle, with a gap 330 formed between the first rod-shaped structure 310 and the second rod-shaped structure 320 for the filament bundle to pass through. As the filament bundle passes through the gap 330, it contacts the first rod-shaped structure 310 and / or the second rod-shaped structure 320, thereby removing the fuzz from the filament bundle. It is easy to understand that both the first rod-shaped structure 310 and the second rod-shaped structure 320 are structural members with relatively large dimensions in the length direction. During carbon fiber production, multiple filament bundles are arranged along the length direction of the first rod-shaped structure 310 or the second rod-shaped structure 320.

[0038] In other embodiments, the defilament removal assembly 300 may also include two plate-shaped structural members, with the filament bundle passing through the gap 330 between the two plate-shaped structural members. Of course, the defilament removal assembly 300 may also be a structural member of other shapes. In other embodiments, the defilament removal assembly 300 may also include a first rod-shaped structural member 310 or a second rod-shaped structural member 320; that is, the defilament removal assembly 300 may also have only one rod-shaped structural member.

[0039] Furthermore, the gap 330 in the filament removal assembly 300 for the passage of the filament bundle is adjustable; that is, the size of the gap 330 can be adjusted to accommodate different filament sizes and regulate the filament removal capability. For example, when the size of the gap 330 is small, larger filaments are difficult to pass through the gap 330 and are directly removed from the filament bundle. Fibers entering the gap 330 may also be caught off the filament bundle during contact with the first rod-shaped structure 310 or the second rod-shaped structure 320, thereby achieving the function of filament removal. Of course, in some embodiments, the gap 330 in the filament removal assembly 300 for the passage of the filament bundle can also be fixed.

[0040] In some embodiments, both the first rod-shaped structural member 310 and the second rod-shaped structural member 320 are connected to the frame 100 by threaded fasteners. In other embodiments, the first rod-shaped structural member 310 and the second rod-shaped structural member 320 may also be connected to the frame 100 by welding or plugging. Using threaded fasteners to connect the first rod-shaped structural member 310 and the second rod-shaped structural member 320 to the frame 100 facilitates the disassembly of the first rod-shaped structural member 310 and the second rod-shaped structural member 320 for cleaning burrs and adjusting the gap 330 between the first rod-shaped structural member 310 and the second rod-shaped structural member 320.

[0041] Furthermore, such as Figure 2 As shown, the second rod-shaped structural member 320 is located on the side of the first rod-shaped structural member 310 away from the frame 100. The second rod-shaped structural member 320 has a through hole, and is connected to the frame 100 by a screw 340 passing through the through hole. The second rod-shaped structural member 320 can move along the axis of the screw 340 to adjust the gap 330 between the first rod-shaped structural member 310 and the second rod-shaped structural member 320. The first rod-shaped structural member 310 can be directly pressed onto the frame 100 by screws.

[0042] In other embodiments, the second rod-shaped structural member 320, which is away from the frame 100, may be fixedly disposed relative to the frame 100, and the first rod-shaped structural member 310 located between the second rod-shaped structural member 320 and the frame 100 may be movably connected to the frame 100, thereby making the gap 330 in the defiling assembly 300 for the passage of the filament bundle adjustable.

[0043] In some embodiments, the first rod-shaped structural member 310 has a first plane 311 facing the gap 330 through which the filament bundle passes, and the second rod-shaped structural member 320 has a second plane 321 facing the gap 330. In this embodiment, the first plane 311 and the second plane 321 are located on both sides of the gap 330, respectively. As the filament bundle passes through the gap 330, one side of the filament bundle can contact the first plane 311, and the other side of the filament bundle can contact the second plane 321, so as to remove fuzz from both sides of the filament bundle; and the contact area between the first rod-shaped structural member 310 and the second rod-shaped structural member 320 and the filament bundle is larger, making it easier to remove fuzz from the filament bundle. Furthermore, the first plane 311 may exist only in a portion of the length direction of the first rod-shaped structural member 310, or it may extend from one end of the length direction of the first rod-shaped structural member 310 to the other end; similarly, the second plane 321 may also exist only in a portion of the length direction of the second rod-shaped structural member 320, or it may extend from one end of the length direction of the second rod-shaped structural member 320 to the other end.

[0044] Of course, in other embodiments, only one of the first rod-shaped structural member 310 and the second rod-shaped structural member 320 may have a planar surface facing the gap 330. In other embodiments, neither of the surfaces of the first rod-shaped structural member 310 nor the second rod-shaped structural member 320 facing the gap 330 may be planar; specifically, both the first rod-shaped structural member 310 and the second rod-shaped structural member 320 may be rod-shaped structural members with a circular cross-section.

[0045] Furthermore, both the first plane 311 and the second plane 321 are provided with rough portions for contacting the filament bundle. When the filament bundle passes through the gap 330 between the first rod-shaped structure 310 and the second rod-shaped structure 320, it contacts the rough portions, which can provide greater friction to the filaments on the filament bundle, making it easier to remove the filaments.

[0046] In some embodiments, the rough portion may be cotton cloth; wherein the cotton cloth may be attached to the first plane 311 and the second plane 321 by means of adhesive bonding, or it may be fixed to the first plane 311 and the second plane 321 by means of binding.

[0047] In other embodiments, the rough portion may also be a rough area provided on the first plane 311 and the second plane 321.

[0048] In some implementations, such as Figure 1 and Figure 2As shown, in a direction perpendicular to the first plane 311, the gap 330 is located between the first guide roller 210 and the second guide roller 220. In this embodiment, when the filament bundle passes through the gap 330, it is easier to contact the first plane 311, thereby better removing the fuzzy filaments in the filament bundle that face the first plane 311.

[0049] In some embodiments, the gap 330 is located between the first guide roller 210 and the second guide roller 220 in a direction perpendicular to the second plane 321. In this embodiment, as the filament bundle passes through the gap 330, it is easier to contact the second plane 321, thereby better removing fuzzy filaments in the filament bundle that face the second plane 321.

[0050] Furthermore, in some embodiments, the first plane 311 and the second plane 321 may be arranged parallel to each other; in other embodiments, the first plane 311 and the second plane 321 may not be parallel.

[0051] In some embodiments, the lower part of the frame 100 is a base plate 110. The base plate 110 of the frame 100 is relatively large, allowing operators to stand and assemble or disassemble the first guide roller 210, the second guide roller 220, and the defilament removal assembly 300, or to perform maintenance. A collection chamber for collecting lint removed from the filament bundle is located inside the base plate 110. A lint collection port is also provided on the base plate 110, located below the defilament removal assembly 300, so that the lint removed by the defilament removal assembly 300 can easily reach the lint collection port after falling, and then be sucked into the collection chamber under negative pressure. By setting the collection chamber inside the base plate 110, the structure of the carbon fiber lint collection device provided in this application is relatively simple. A first filter screen 420 can be provided at the lint collection port. The mesh size of the first filter screen 420 is large enough to allow lint to pass through, but not large debris, thereby reducing the amount of debris entering the collection chamber.

[0052] In some embodiments, the frame 100 further includes a column 120 disposed on the base plate 110, and the first guide roller 210, the desiccant assembly 300, and the second guide roller 220 are all mounted on the column 120. The column 120 and the base plate 110 are both hollow and interconnected to form a collection chamber. In this embodiment, the lint collection port can also be located on the column 120 near the desiccant assembly 300 to facilitate the suction of the removed lint into the collection chamber.

[0053] In some embodiments, the collection assembly includes a fan and a duct 410 connecting the fan and the collection chamber. It is easy to understand that the fan can draw air out of the air collection chamber to create a negative pressure inside the collection chamber. Furthermore, a second filter screen can be provided in the duct 410. The mesh size of the second filter screen is smaller than the size of a lint, so that the lint is retained in the duct 410 and the collection chamber, thereby collecting the lint.

[0054] 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 filament collecting device, characterized in that, The device includes a frame, on which a first guide roller, a desiccant assembly, and a second guide roller are sequentially arranged, so that the filament bundle passes sequentially through the first guide roller, the desiccant assembly, and the second guide roller. The desiccant assembly is used to contact the filament bundle to separate the filaments. The frame also includes a collection assembly, which has a collection cavity located below the desiccant assembly. The collection assembly is also configured to provide negative pressure to the collection cavity to collect the filaments.

2. The carbon fiber filament collecting device according to claim 1, characterized in that, The defilament removal assembly includes a first rod-shaped structure and a second rod-shaped structure for contacting the filament bundle, with a gap formed between the first rod-shaped structure and the second rod-shaped structure for the filament bundle to pass through; the defilament removal assembly is configured such that the gap is adjustable.

3. The carbon fiber filament collecting device according to claim 2, characterized in that, Both the first rod-shaped structural member and the second rod-shaped structural member are connected to the frame body by threaded fasteners.

4. The carbon fiber filament collecting device according to claim 3, characterized in that, The second rod-shaped structural member is located on the side of the first rod-shaped structural member away from the frame. The second rod-shaped structural member is provided with a through hole. The second rod-shaped structural member is connected to the frame by a screw passing through the through hole and can move along the axis of the screw to adjust the gap.

5. The carbon fiber filament collecting device according to claim 3, characterized in that, The first rod-shaped structural member has a first plane facing the gap, and the second rod-shaped structural member has a second plane facing the gap.

6. The carbon fiber filament collecting device according to claim 5, characterized in that, Both the first plane and the second plane are provided with rough portions for contacting the filament bundle.

7. The carbon fiber filament collecting device according to claim 6, characterized in that, The rough part is made of cotton cloth.

8. The carbon fiber filament collecting device according to claim 5, characterized in that, In a direction perpendicular to the first plane or the second plane, the gap is located between the first guide roller and the second guide roller.

9. The carbon fiber filament collecting device according to any one of claims 1-8, characterized in that, The lower part of the frame is a base plate, and the collection chamber is disposed in the base plate. The base plate is also provided with a lint collection port that communicates with the collection chamber. The lint collection port is located below the lint removal assembly, so that the lint removed by the lint removal assembly passes through the lint collection port. The collection assembly includes a fan and a pipe that communicates with the fan and the collection chamber. The pipe is provided with a filter screen for filtering lint.

10. A carbon fiber production line, characterized in that, Includes the carbon fiber filament collecting device according to any one of claims 1-9.

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