Yarn splitting and doubling device for carbon fiber precursor production
By designing a wire splitting device including a yarn guide assembly and a yarn guide assembly, the existing wire splitting device has solved the problem of low processing efficiency and inflexibility, and the efficient production of large tow carbon fiber raw silk is achieved.
Patent Information
- Application Number
- CN202422193625.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-09
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-09-09
AI Technical Summary
The existing wire unblocking devices can only realize the wire unblocking function of the primary wire, the processing efficiency is low, and it is not flexible enough, making it difficult to meet the production needs of large tow carbon fiber raw wires.
A wire partitioning device is designed, including a fixing frame, wire partitioning mechanism, yarn guide assembly and yarn guide assembly. Through the cooperation of the sliding shaft and the mounting shaft, flexible wire partitioning operation of the wire tow is achieved.
Improve production efficiency, realize flexible selection of wire tows and wire concurrent operation, and reduce production costs.
Smart Images
Figure CN222907170U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of carbon fiber precursor production equipment, and particularly relates to a splitting and combining wire device for carbon fiber precursor production. Background Art
[0002] Carbon fiber is a material with high strength, high rigidity and low weight, and is widely used in the fields of aerospace, automotive, sports equipment, construction, etc. The production of carbon fiber includes multiple stages, such as precursor preparation, oxidation, carbonization and surface treatment. Among these stages, the treatment of the precursor is particularly important, which directly affects the performance of the final product. Precursor combining wire is a key step in the production process, which refers to combining the precursors to obtain large tow carbon fiber precursors.
[0003] Since the processing of the spinneret plate for large tow carbon fiber precursors is difficult and the production cost is high, a combining wire device is required to combine small tow carbon fiber precursors to obtain large tow carbon fiber precursors. The existing combining wire devices have problems such as only being able to achieve the combining wire function of the precursors, low processing efficiency, and lack of flexibility, and there is an urgent need for an improved device to improve production efficiency.
[0004] Therefore, the applicant has carried out beneficial exploration and attempts and found a solution to the above problems. The technical solution to be introduced below was generated under this background. Summary of the Utility Model
[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art, and provides a splitting and combining wire device for carbon fiber precursor production.
[0006] The above technical problems of the utility model are mainly solved by the following technical solutions: A splitting and combining wire device for carbon fiber precursor production, including a fixed frame, a splitting and combining wire mechanism is provided on the fixed frame. The fixed frame includes a back plate, a first side plate, a connecting plate, a mounting frame and a second side plate. The upper end of the connecting plate and the first side plate are respectively fixed at both ends of the back plate. The lower end of the connecting plate and the second side plate are respectively fixed at both ends of the mounting frame. A sliding shaft is installed on the back plate, and a mounting shaft is installed on the mounting frame. The splitting and combining wire mechanism includes a yarn guiding component and a yarn drawing component. The yarn guiding component is slidably installed on the sliding shaft, and the yarn drawing component is slidably installed on the mounting shaft and the yarn drawing component is located directly below the yarn guiding component.
[0007] Preferably, the yarn guiding assembly includes a mounting base, a mounting plate, a yarn dividing roller and a guiding roller. The mounting base is slidably mounted on the sliding shaft, the mounting plate is fixed on the mounting base, a base is fixed on the right side of the middle position of the mounting plate, two guiding rollers are mounted on the base, and four yarn dividing rollers are vertically mounted on the mounting plate on the same side as the two guiding rollers. Two of the yarn dividing rollers are located above the two guiding rollers, and the other two yarn dividing rollers are located below the two guiding rollers. Yarn dividing rollers are mounted on the left sides of the two yarn dividing rollers located above the two guiding rollers on the mounting plate.
[0008] Preferably, the yarn drawing assembly includes a sliding seat and a yarn drawing roller. Two mounting shafts are mounted in parallel up and down between the mounting frames, two sliding seats are mounted on each of the two mounting shafts, and yarn drawing rollers are mounted on the two sliding seats of the two mounting shafts.
[0009] Preferably, the outer surfaces of the yarn dividing roller, the guiding roller and the yarn drawing roller are all galvanized mirror surfaces.
[0010] Preferably, a plurality of yarn guiding assemblies are arranged in parallel on the sliding shaft, and a plurality of groups of yarn drawing assemblies are arranged on the mounting shaft. The number of the yarn drawing assemblies is the same as that of the yarn guiding assemblies. The plurality of groups of yarn drawing assemblies are respectively located below the plurality of groups of yarn guiding assemblies and are in one-to-one correspondence.
[0011] The beneficial effects of the present utility model are as follows:
[0012] Compared with the prior art, by arranging the yarn guiding assembly on the back plate and the yarn drawing assembly on the mounting frame, the present utility model has a simple structure, is convenient for processing, production and assembly, and can adjust the position of the sliding seat according to needs during production to flexibly select whether to merge filaments, thereby improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 is a schematic structural diagram of the present utility model;
[0014] Figure 2 is a schematic structural diagram of the yarn guiding assembly and the yarn drawing assembly;
[0015] Figure 3 is a schematic working diagram of the yarn guiding assembly and the yarn drawing assembly.
[0016] In the figure: 1, fixing frame; 2, splitting and merging mechanism; 3, back plate; 4, first side plate; 5, connecting plate; 6, mounting frame; 7, second side plate; 8, sliding shaft; 9, mounting shaft; 10, yarn guiding assembly; 11, yarn drawing assembly; 12, mounting base; 13, mounting plate; 14, yarn dividing roller; 15, guiding roller; 16, sliding seat; 17, yarn drawing roller; 18, base. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] The following is through examples and in combination with the attached Figures 1-3As shown in the structure, the technical solution of the present utility model will be further specifically described.
[0018] Embodiment: A yarn splitting and combining device for carbon fiber precursor production, including a fixed frame 1, on which a plurality of yarn splitting and combining mechanisms 2 are arranged in parallel. The fixed frame 1 includes a back plate 3, a first side plate 4, a connecting plate 5, a mounting frame 6 and a second side plate 7. The upper end of the connecting plate 5 and the first side plate 4 are respectively fixed at both ends of the back plate 3, and the lower end of the connecting plate 5 and the second side plate 7 are respectively fixed at both ends of the mounting frame 6. A sliding shaft 8 is installed on the back plate 3, and a mounting shaft 9 is installed on the mounting frame 6. The yarn splitting and combining mechanism 2 includes a yarn guiding component 10 arranged on the sliding shaft 8 and a yarn leading component 11 arranged on the mounting shaft 9, and the yarn leading component 11 is located directly below the yarn guiding component 10.
[0019] The yarn guiding component 10 includes a mounting seat 12, a mounting plate 13, a yarn splitting roller 14 and a guiding roller 15. The mounting seat 12 is slidably installed on the sliding shaft 8, the mounting plate 13 is fixed on the mounting seat 12. On the front side of the mounting plate 13, 4 yarn splitting rollers 14 are vertically arranged in parallel on the right side. A base 18 is fixed between the 2 middle yarn splitting rollers 14 on the mounting plate 13, and 2 guiding rollers 15 are installed on the base 18. A yarn splitting roller 14 is installed on the left side at the top of the front side of the mounting plate 13, and a yarn splitting roller 14 is also installed on one side of the yarn splitting roller 14 above the guiding roller 15 on the mounting plate 13; The yarn leading component 11 includes a sliding seat 16 and a yarn leading roller 17. Between the mounting frames 6, 2 mounting shafts 9 are arranged vertically in parallel, 2 sliding seats 16 are installed on each of the 2 mounting shafts 9, and yarn leading rollers 17 are installed on the 2 sliding seats 16 of the 2 mounting shafts 9. The outer surfaces of the yarn splitting rollers 14, the guiding rollers 15 and the yarn leading rollers 17 are hard, shiny, galvanized mirror surfaces to avoid scratching the tow. When in use, the tows respectively bypass from the outside of the yarn splitting rollers 14 on the left and right sides at the top of the mounting plate 13, and the guiding route of the tows is selected according to the requirements of yarn splitting and combining. When yarn combining is required, the two tows respectively bypass from the outside of the yarn splitting rollers 14 on the left and right sides at the top of the mounting plate 13, then the two tows bypass between the two lower yarn splitting rollers 14, and then successively bypass the 2 guiding rollers 15 and the 2 yarn splitting rollers 14 below the mounting plate 13 and then bypass from the inside of the yarn leading roller 17 directly below the yarn splitting roller 14; When yarn splitting is not required, the two tows respectively pass from the outside of the 2 yarn splitting rollers 14 on the left and right sides at the top of the mounting plate 13 and then directly pass from one side of the 2 lower yarn leading rollers 17 and then output.
[0020] The working principle of the present utility model:
[0021] During use, the operator first installs the required number of splitting and merging mechanisms 2 on the fixed frame 1 according to production requirements. Then, the operator adjusts the position of the sliding seat 16 according to the requirement of whether the filaments are merged. Finally, the operator selects the route of the filaments according to the requirement of whether to split and merge the filaments. When merging the filaments, the two filaments respectively bypass from the outside of the yarn splitting rollers 14 on the upper left and right sides of the mounting plate 13, and then the two filaments bypass between the two lower yarn splitting rollers 14, and then successively bypass the 2 guide rollers 15 and the 2 yarn splitting rollers 14 below the mounting plate 13 and then bypass from one side of the yarn guiding roller 17 directly below the yarn splitting roller 14; when the filaments do not need to be merged, the two filaments respectively pass from the outside of the 2 yarn splitting rollers 14 on the upper left and right sides of the mounting plate 13 and then directly pass from one side of the 2 lowest yarn guiding rollers 17 for output. The device has a simple structure and is convenient for processing, production and assembly.
[0022] Finally, it should be pointed out that the above embodiments are only relatively representative examples of the present invention. Obviously, the present invention is not limited to the above embodiments and there can be many variations. Any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention shall be considered as belonging to the protection scope of the present invention.
Claims
1. A doubling device for producing carbon fiber precursor, comprising a fixing frame (1), characterized in that: The fixed frame (1) is provided with a split yarn paralleling mechanism (2), the fixed frame (1) comprises a back plate (3), a first side plate (4), a connecting plate (5), a mounting frame (6) and a second side plate (7), the upper end of the connecting plate (5) and the first side plate (4) are respectively fixed to the two ends of the back plate (3), the lower end of the connecting plate (5) and the two ends of the mounting frame (6) are respectively fixed, the back plate (3) is mounted with a sliding shaft (8), the mounting frame (6) is mounted with a mounting shaft (9), the split yarn paralleling mechanism (2) comprises a yarn guide assembly (10) and a yarn lead assembly (11), the yarn guide assembly (10) is slidably mounted on the sliding shaft (8), the yarn lead assembly (11) is slidably mounted on the mounting shaft (9), and the yarn lead assembly (11) is located directly below the yarn guide assembly (10).
2. The splitting and doubling device for producing carbon fiber precursor according to claim 1, characterized in that: The yarn guide assembly (10) comprises a mounting seat (12), a mounting plate (13), a yarn separation roller (14) and a guide roller (15); the mounting seat (12) is slidably mounted on the sliding shaft (8); the mounting plate (13) is fixed on the mounting seat (12); a base (18) is fixed on the right side of the middle position of the mounting plate (13); two guide rollers (15) are mounted on the base (18); four yarn separation rollers (14) are vertically mounted on the mounting plate (13) and on the same side as the two guide rollers (15); two yarn separation rollers (14) are located above the two guide rollers (15); the other two yarn separation rollers (14) are located below the two guide rollers (15); and yarn separation rollers (14) are mounted on the left sides of the two yarn separation rollers (14) located above the two guide rollers (15) on the mounting plate (13).
3. The splitting and doubling device for producing carbon fiber precursor according to claim 2, characterized in that: The yarn drawing assembly (11) comprises a slide seat (16) and a yarn drawing roller (17); two mounting shafts (9) are mounted in parallel up and down between the mounting frames (6); two slide seats (16) are mounted on each of the two mounting shafts (9); and two yarn drawing rollers (17) are mounted on each of the two slide seats (16) of the two mounting shafts (9).
4. The splitting and doubling device for producing carbon fiber precursor according to claim 3, characterized in that: The outer surfaces of the yarn separation roller (14), the guide roller (15) and the yarn drawing roller (17) are all galvanized mirror surfaces.
5. The splitting and doubling device for producing carbon fiber precursor according to claim 1, characterized in that: A plurality of yarn guide assemblies (10) are arranged in parallel on the sliding shaft (8), a plurality of yarn lead assemblies (11) are arranged on the mounting shaft (9), and the number of the yarn lead assemblies (11) is the same as that of the yarn guide assemblies (10). The plurality of yarn lead assemblies (11) are respectively located below the plurality of yarn guide assemblies (10) and their positions correspond one to one.