A cutting mechanism for hollow fiber membrane production
By designing a cutting mechanism for hollow fiber membrane production, the membrane filaments are fixed using a fixed ring and a gear meshing system driven by a motor, and then cut by an electric heating wire. This solves the problem of uneven cutting caused by traditional manual bundling, improves cutting efficiency and membrane filament consistency, and reduces raw material waste and operational difficulty.
Patent Information
- Application Number
- CN202522461214.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-20
- Publication Date
- 2026-11-06
- Estimated Expiration
- 2035-11-20
AI Technical Summary
In the traditional hollow fiber ultrafiltration membrane cutting process, manual bundling leads to uneven pressing, resulting in uneven membrane fiber cutting. Multiple cutting processes cause raw material waste and substandard quality, increasing the difficulty of subsequent processes.
A cutting mechanism for hollow fiber membrane production is adopted, including a C-shaped frame, a fixing mechanism and a cutting mechanism. The membrane filament is fixed by a fixing ring and a gear meshing system driven by a motor, and is cut by an electric heating wire to achieve uniform cutting.
It improves the efficiency and consistency of membrane fiber cutting, reduces raw material waste, ensures consistent membrane fiber length after cutting, reduces operational difficulty, and improves product quality.
Smart Images
Figure CN224940135U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hollow fiber membrane filament production technology, and in particular to a cutting mechanism for hollow fiber membrane filament production. Background Technology
[0002] Hollow fiber ultrafiltration membranes are a type of ultrafiltration membrane. It is one of the most mature and advanced technologies in ultrafiltration. The walls of hollow fiber tubes are covered with micropores, with pore sizes designed to retain substances with relatively large molecular weights, ranging from several thousand to hundreds of thousands. Hollow fiber ultrafiltration membranes are mainly used in ultrafiltration water purifiers. During the manufacturing process of ultrafiltration water purifier filter cartridges, the hollow fiber ultrafiltration membranes need to be cut to the required length, which necessitates a cutting mechanism. Traditional hollow fiber ultrafiltration membrane cutting processes typically involve manual bundling, with one person pressing and another cutting. Uneven pressure during cutting leads to incomplete cutting in one go, resulting in multiple cuts, material waste, inconsistent lengths, increased operational difficulty for subsequent processes, and substandard quality. Utility Model Content
[0003] To address the aforementioned shortcomings in the existing technology, this utility model provides a cutting mechanism for hollow fiber membrane filament production. Its purpose is to solve the problems of traditional hollow fiber ultrafiltration membrane filament cutting processes, which generally involve manual bundling, with one person pressing and another cutting. During the membrane filament cutting process, uneven pressure during pressing leads to the inability to cut into shape in one go. Multiple cuttings easily result in material waste, inconsistent lengths after final cutting, increased operational difficulty for subsequent processes, and substandard quality.
[0004] To achieve the aforementioned objectives, the technical solution adopted by this utility model is as follows:
[0005] A cutting mechanism for hollow fiber membrane filament production includes a C-shaped frame, a fixing mechanism, and a cutting mechanism. The C-shaped frame has a first row of cutting grooves. The fixing mechanism includes a fixing plate, a fixing ring, a fastening ring, a movable ring, a first motor, a first gear, and a second gear. The fixing ring is fixedly connected to the C-shaped frame through the fixing plate. The second gear is fixedly disposed on the outer side of the movable ring. The first motor is fixedly mounted on the C-shaped frame. The first gear is fixedly mounted on the output shaft of the first motor. The first gear and the second gear mesh with each other. The fastening ring is disposed between the fixing ring and the fastening ring.
[0006] The cutting mechanism includes a fixed frame, a movable frame, a second motor, a lead screw, and a heating wire. The fixed frame is fixedly welded to a C-shaped frame, the second motor is mounted on the fixed frame, the lead screw is fixedly connected to the output shaft of the second motor, the movable frame is threadedly connected to the lead screw, and both ends of the heating wire are fixedly connected to the movable frame.
[0007] Furthermore, the fastening ring includes a plurality of fastening blocks arranged in a circumferential array. A first slider is fixedly provided on one side of the fastening block. A first sliding groove is provided on the fixed ring. The first slider is slidably connected to the first sliding groove. A second slider is fixedly provided at the end of the fastening block away from the first slider. A second sliding groove is provided on the movable ring. The second slider is slidably connected to the second sliding groove.
[0008] Furthermore, a second row of knife grooves is provided on the fixing ring.
[0009] Furthermore, the heating wire passes through the first row of knife grooves and the second row of knife grooves, respectively.
[0010] Furthermore, the movable frame is slidably connected to the C-shaped frame.
[0011] Furthermore, the end of the lead screw furthest from the second motor is rotatably connected to the C-shaped frame.
[0012] The beneficial effects of this utility model are as follows:
[0013] This utility model discloses a cutting mechanism for hollow fiber membrane production. Through a fixed mechanism, the hollow fiber membrane filaments can be fixed, and through a cutting mechanism, the hollow fiber membrane filaments can be cut. Compared with manual bundling of hollow fiber membrane filaments, one person presses and another cuts, resulting in more uniform cutting and reducing the likelihood of uneven lengths of hollow fiber membrane filaments, thus improving the cutting efficiency of hollow fiber membrane filaments. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0015] Figure 2 This is an exploded view of the fixing mechanism of this utility model;
[0016] Figure 3 This is a schematic diagram of the exploded structure of the fixing mechanism of this utility model.
[0017] Appendix Label Reference Table:
[0018] 1. C-shaped frame; 2. Fixing mechanism; 3. Cutting mechanism; 4. First row of knife grooves; 5. Fixing plate; 6. Fixing ring; 7. Fastening ring; 8. Movable ring; 9. First motor; 10. First gear; 11. Second gear; 12. Fixing frame; 13. Movable frame; 14. Second motor; 15. Lead screw; 16. Heating wire; 17. First slider; 18. First slide groove; 19. Second slide groove; 20. Second row of knife grooves; 21. Fastening block; 22. Second slider. Detailed Implementation
[0019] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals.
[0020] It should be noted that the terms “front,” “back,” “left,” “right,” “up,” and “down” used in the following description refer to the directions shown in the attached diagram, while the terms “inside” and “outside” refer to the directions toward or away from the geometric center of a specific component, respectively.
[0021] To make the content of this utility model easier to understand, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.
[0022] like Figures 1 to 3 As shown, a cutting mechanism for hollow fiber membrane filament production includes a C-shaped frame 1, on which a first row of cutting grooves 4 are formed.
[0023] A fixing mechanism 2 is provided on the C-shaped frame 1. The fixing mechanism 2 includes a fixing plate 5 that is fixedly welded to the C-shaped frame 1. A fixing ring 6 is fixedly welded to the fixing plate 5. A fastening ring 7 is provided on one side of the fixing ring 6. The fastening ring 7 includes several fastening blocks 21 arranged in a circumferential array. A first slider 17 is fixedly provided on one side of the fastening block 21. A first sliding groove 18 is provided on the fixing ring 6. The first slider 17 is slidably connected to the first sliding groove 18.
[0024] A movable ring 8 is provided on the side of the fastening ring 7 away from the fixed ring 6. A second slider 22 is fixedly provided on the end of the fastening block 21 away from the first slider 17. A second groove 19 is provided on the movable ring 8. The second slider 22 is slidably connected to the second groove 19.
[0025] A first motor 9 is fixedly installed on the C-shaped frame 1. A first gear 10 is fixedly connected to the output shaft of the first motor 9. A second gear 11 is fixedly provided on the outer side of the movable ring 8. The first gear 10 and the second gear 11 mesh with each other.
[0026] The hollow fiber membrane filaments are placed in the middle of the fastening ring 7 by the fixed mechanism 2. The first motor 9 is started, and the first motor 9 drives the first gear 10 to rotate. The first gear 10 drives the second gear 11 and the movable ring 8 to rotate. The movable ring 8 drives the fastening ring 7 to tighten, thus fixing the hollow fiber membrane filaments.
[0027] The cutting mechanism 3 includes a fixed frame 12 that is fixedly welded to the C-shaped frame 1. A second motor 14 is mounted on the fixed frame 12. A lead screw 15 is fixedly connected to the output shaft of the second motor 14. The end of the lead screw 15 away from the second motor 14 is rotatably connected to the C-shaped frame 1.
[0028] A movable frame 13 is threaded onto the lead screw 15. The movable frame 13 is slidably connected to the C-shaped frame 1. An electric heating wire 16 is installed on the movable frame 13, and both ends of the electric heating wire 16 are fixedly connected to the movable frame 13.
[0029] The fixing ring 6 has a second row of knife grooves 20, and the heating wire 16 passes through the first row of knife grooves 4 and the second row of knife grooves 20 respectively.
[0030] Through the cutting mechanism 3, the second motor 14 drives the lead screw 15 to rotate, and the lead screw 15 drives the movable frame 13 and the heating wire 16 to move, thereby cutting the hollow fiber membrane filaments.
[0031] This utility model discloses a cutting mechanism for hollow fiber membrane production. It has a simple structure and, compared to manual bundling of hollow fiber membranes, allows one person to press and another to cut, resulting in more uniform cutting and reducing the likelihood of uneven lengths of the hollow fiber membranes, thus improving the cutting efficiency of hollow fiber membranes.
[0032] The above description is only a preferred embodiment of this utility model patent and is not intended to limit this utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this utility model patent should be included within the protection scope of this utility model patent.
Claims
1. A cutting mechanism for hollow fiber membrane filament production, characterized in that, The device includes a C-shaped frame (1), a fixing mechanism (2), and a cutting mechanism (3). The C-shaped frame (1) has a first row of cutting grooves (4). The fixing mechanism (2) includes a fixing plate (5), a fixing ring (6), a fastening ring (7), a movable ring (8), a first motor (9), a first gear (10), and a second gear (11). The fixing ring (6) is fixedly connected to the C-shaped frame (1) through the fixing plate (5). The second gear (11) is fixedly disposed on the outer side of the movable ring (8). The first motor (9) is fixedly mounted on the C-shaped frame (1). The first gear (10) is fixedly mounted on the output shaft of the first motor (9). The first gear (10) and the second gear (11) mesh with each other. The fastening ring (7) is disposed between the fixing ring (6) and the fastening ring (7). The cutting mechanism (3) includes a fixed frame (12), a movable frame (13), a second motor (14), a lead screw (15), and a heating wire (16). The fixed frame (12) is fixedly welded to the C-shaped frame (1). The second motor (14) is mounted on the fixed frame (12). The lead screw (15) is fixedly connected to the output shaft of the second motor (14). The movable frame (13) is threadedly connected to the lead screw (15). The two ends of the heating wire (16) are fixedly connected to the movable frame (13).
2. The cutting mechanism for hollow fiber membrane filament production according to claim 1, characterized in that: The fastening ring (7) includes a plurality of fastening blocks (21) arranged in a circumferential array. A first slider (17) is fixedly provided on one side of the fastening block (21). A first groove (18) is provided on the fixed ring (6). The first slider (17) is slidably connected to the first groove (18). A second slider (22) is fixedly provided at the end of the fastening block (21) away from the first slider (17). A second groove (19) is provided on the movable ring (8). The second slider (22) is slidably connected to the second groove (19).
3. The cutting mechanism for hollow fiber membrane filament production according to claim 2, characterized in that: The fixing ring (6) has a second row of knife grooves (20).
4. The cutting mechanism for hollow fiber membrane filament production according to claim 3, characterized in that: The heating wire (16) passes through the first row of knife grooves (4) and the second row of knife grooves (20), respectively.
5. The cutting mechanism for hollow fiber membrane filament production according to claim 1, characterized in that: The movable frame (13) is slidably connected to the C-shaped frame (1).
6. The cutting mechanism for hollow fiber membrane filament production according to claim 1, characterized in that: The end of the lead screw (15) away from the second motor (14) is rotatably connected to the C-shaped frame (1).