Multi-station rope feeding mechanism with stable tension
By using a multi-station tension-stable rope feeding mechanism, and combining an I-beam wheel and a guide wheel, the problem of uneven tension in hollow fiber membrane production is solved, enabling stable forming and efficient production of multiple hollow fiber membranes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-04-10
AI Technical Summary
In the production process of hollow fiber membranes, when multiple membranes are formed at the same time, the uneven tension of the inner lining fiber tubes leads to uneven coating of the casting solution, which can easily cause the inner lining fiber tubes to break and result in low production efficiency.
A multi-station tension-stable rope feeding mechanism is adopted. Through the I-beam wheel, guide wheel and tension adjustment device, the inner lining support tube is kept under stable tension between multiple guide wheels. The speed is controlled by a speed-regulating motor to achieve uniform forming of multiple hollow fiber membranes.
It achieves stable molding of multiple hollow fiber membranes, avoids breakage of the inner lining support tube, improves production efficiency, and enables continuous production without manual operation.
Smart Images
Figure CN224100419U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of multi-station tension stable rope feeding mechanism, belong to mechanical technical field. BACKGROUND
[0002] Hollow fiber membrane refers to the appearance like fiber, with self-supporting membrane, it is the microporous filter membrane made of cellulose or high molecular material, using its uniform pore size to intercept the particles, bacteria etc.
[0003] In the production process of hollow fiber membrane, the casting solution in the defoaming kettle is pressurized to the spinneret by booster pump, so that the casting solution is coated on the surface of the inner lining support pipe, and then passes through the gel tank, cleaning tank and winding machine in turn.
[0004] During the extrusion of the casting solution from the spinneret, the winding machine needs to pull the inner lining support pipe passing through the spinneret at a constant speed, so that the casting solution is uniformly coated on the surface of the inner lining support pipe, and then passes through the gel tank, cleaning tank and finally forms a hollow fiber membrane in the winding machine. In the conventional production process, single hollow fiber membrane forming mode is mostly used for production, and the production efficiency is low. In the process of simultaneously producing multiple hollow fiber membranes and the winding machine pulling the inner lining fiber pipe at a constant speed, due to the long membrane production line, the inner lining support pipe at the front end of the spinneret cannot guarantee the same tension, causing uneven coating of the casting solution, and the produced hollow fiber membrane is difficult to meet the use requirements. Even the inner lining fiber pipe may break, causing the production line to stop.
[0005] Patent CN2018108821023A discloses a kind of multi-station wire feeding mechanism, mentions using tension detection device to control the tension stability of inner lining fiber pipe, but when the tension difference is large during the simultaneous forming of multiple membranes, it cannot be better controlled, and the inner lining fiber pipe may break. And its inner lining fiber pipe tray space is limited, and the operation is complex when replacing. UTILITY MODEL CONTENTS
[0006] The utility model solves the technical problems existing in the prior art, and provides a kind of multi-station tension stable rope feeding mechanism.
[0007] The technical problems of the prior art are solved by the following technical scheme: a kind of multi-station tension stable rope feeding mechanism, I-beam is placed on both sides of rack, I-beam is placed in stack, there are multiple godets on rack, each I-beam is adjusted along the direction of godet, the inner lining support pipe on I-beam passes through first godet, second godet, third godet, fourth godet, fifth godet, then passes through sixth godet, seventh godet, then passes through speed regulating wheel and eighth godet, and rear end is connected to spinneret.
[0008] The first godet wheel is connected with one end of the connecting rod through a shaft, the other end of the connecting rod is connected with the second godet wheel through a shaft, the other end of the connecting rod is connected with the shaft body of the rotating shaft, the shaft body of the rotating shaft supports the rotating shaft, the gear connected with the rotating shaft is engaged with the gear, the gear is connected with the rotating shaft, the rotating shaft is supported through the shaft body of the rotating shaft, the shaft body of the rotating shaft and the shaft body of the rotating shaft are connected with the frame, the spring mechanism is connected with the supporting rod and the frame, the other end of the supporting rod is connected with the fifth godet wheel through a shaft, the connecting rod is connected with the spring mechanism, one end of the connecting plate is connected with the shaft body of the rotating shaft, the other end of the connecting plate is connected with the other end of the connecting rod through a shaft rod, the lining support pipe passes through the first godet wheel, then passes through the second godet wheel, and then passes through the rotating shaft, and then passes through the third godet wheel, the fourth godet wheel and the fifth godet wheel in sequence, the spring mechanism makes the fifth godet wheel swing left and right by adjusting the pre-tightening force, the lining support pipe is connected with the second tension adjusting device after passing through the fifth godet wheel, the second tension adjusting device comprises a sixth godet wheel, a seventh godet wheel and a gravity sliding block, the upper connecting plate and the lower connecting plate are connected with the frame respectively, one end of the left sliding rod and the right sliding rod is connected with the upper connecting plate respectively, the other end of the left sliding rod and the right sliding rod is connected with the lower connecting plate respectively, the upper part of the left sliding rod and the right sliding rod is connected with the horizontal shaft, the middle part of the left sliding rod and the right sliding rod is connected with the seventh godet wheel, the gravity sliding block is connected with the lower part of the left sliding rod and the right sliding rod respectively, the middle groove of the gravity sliding block is connected with the horizontal shaft respectively, the horizontal shaft is connected with the sixth godet wheel, the gravity sliding block can slide along the left sliding rod and the right sliding rod, the rear end of the speed regulating wheel is connected with the eighth godet wheel, and the lining support pipe enters the spinneret plate.
[0009] The lining support pipe is pulled out from the spool along the godet wheel through the spooling machine, then is pulled at a constant speed through the rear godet wheel, and is sent into the central hole of the spinneret plate through the tension stabilizing mechanism, so that the lining support pipe is prevented from being broken, a plurality of lining fiber pipes are ensured to pass through the spinneret plate at a constant speed, the casting solution is uniformly coated on the surface of the lining support pipe, and then the hollow fiber membrane is formed. The device can store multiple spools at the same time, and can realize multi-station continuous production in the production process without the need of personnel operation, so that the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0010] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used 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 other drawings can be obtained by those skilled in the art without creative labor. As shown in the drawings:
[0011] Figure 1 It is a schematic diagram of the overall structure of the present application.
[0012] Figure 2 It is a schematic diagram of the first tension adjusting device structure of the present application.
[0013] Figure 3 It is the first tension adjusting device structural schematic view of the utility model.
[0014] Figure 4 It is the first tension adjusting device structural schematic view of the utility model.
[0015] Figure 5 It is the second tension adjusting device structural schematic view of the utility model.
[0016] Figure 6 It is the second tension adjusting device structural schematic view of the utility model.
[0017] Figure 7 It is the spinneret structural schematic view of the utility model. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0019] Embodiment 1: as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 A multi-station tension stable rope feeding mechanism ensures that the tension at different positions is the same during the hollow fiber membrane forming process, avoids uneven casting solution coating, lining support pipe fracture and other problems and improves production efficiency during the production process of multiple hollow fiber membranes.
[0020] A multi-station tension stable rope feeding mechanism, including a body and a support, wherein the spools are placed on both sides of the support, the spools can be stacked, there are multiple guide wheels on the rack, each spool is sent to the speed regulating motor along the guide wheel adjustment direction through the tension stabilizing mechanism, the speed regulating motor sends multiple lining support pipes to the spinneret at a set speed, so that multiple hollow fiber membranes are simultaneously formed at a stable speed and tension.
[0021] A multi-station tension stable rope feeding mechanism can avoid winding, friction and other problems of multiple lining support pipes during stable tension process through multiple guide wheel adjustment directions. The lining support pipe can prevent the phenomenon of excessive or insufficient tension after passing through the tension stabilizing mechanism by controlling the speed of the speed regulating motor.
[0022] The device can place multiple disc spools at the same inner liner support pipe, and the inner liner support pipes at the beginning and end of each disc spool are connected by a welding device during production, thereby realizing continuous production without manual operation.
[0023] The working principle of a multi-station tension-stable rope feeding mechanism: including an overall frame 4 and a rear-end connection of six spinnerets, multiple disc spools 1 are placed on both sides of the support, each position can be stacked, the inner liner support pipe is sent to the first tension adjusting device 2 through the rear end of the disc spool 1 along the godet, and then is sent to the rear-end second tension adjusting device 5 along the godet 3 after being preliminarily tension-adjusted and stabilized, and then is sent to the rear-end spinneret through the speed control motor 6 controlling the speed control wheel 7, the direction of the spinneret front end can be controlled through the godet to ensure that the inner liner support pipe is concentric with the center hole of the spinneret; this is the working path of one inner liner support pipe, multiple inner liner support pipes can be supported on each frame 4 to feed the ropes at the same time, and multiple hollow fiber membranes can be formed at the same time.
[0024] Embodiment 2: as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , a multi-station tension-stable rope feeding mechanism, including a disc spool 1, a first tension adjusting device 2, a godet 3, a frame 4, a second tension adjusting device 5, a speed control motor 6, a speed control wheel 7, an eighth godet 8, a spinneret 9, and an inner liner support pipe 10.
[0025] The first tension adjusting device 2 includes a first godet 2.1, a second godet 2.2, a rotating shaft 2.3, a third godet 2.4, a fourth godet 2.5, a fifth godet 2.6, a spring mechanism 2.7, a rotating shaft 2.8, a gear 2.9, a connecting rod 2.11, a connecting rod 2.51, and a support rod 2.61.
[0026] The first godet 2.1 is connected to one end of the connecting rod 2.11 through a shaft, the other end of the connecting rod 2.11 is connected to the second godet 2.2 through a shaft, the other end of the connecting rod 2.11 is connected to the shaft body of the rotating shaft 2.3, the shaft body of the rotating shaft 2.3 supports the rotating shaft 2.3, the gear connected to the rotating shaft 2.3 is engaged with the gear 2.9, the gear 2.9 is connected to the rotating shaft 2.8, the rotating shaft 2.8 is supported by the shaft body of the rotating shaft 2.8, the shaft body of the rotating shaft 2.8 and the shaft body of the rotating shaft 2.3 are connected to the frame 4, the spring mechanism 2.7 is connected to the support rod 2.61 and the frame 4, the other end of the support rod 2.61 is connected to the fifth godet 2.6 through a shaft, and the connecting rod 2.51 is connected to the spring mechanism 2.7.
[0027] One end of the connecting plate 2.71 is connected with the shaft body of the rotating shaft 2.8, and the other end of the connecting plate 2.71 is connected with the other end of the connecting rod 2.51 through a shaft rod.
[0028] As shown in Figure 2 , Figure 3 and Figure 4 , the inner liner support pipe 10 first passes through the first guide wire wheel 2.1, then passes through the second guide wire wheel 2.2, and then passes through the rotating shaft 2.3, and then passes through the third guide wire wheel 2.4, the fourth guide wire wheel 2.5 and the fifth guide wire wheel 2.6 in turn. The spring mechanism 2.7 can make the fifth guide wire wheel 2.6 swing left and right by adjusting the pre-tightening force, so as to achieve the function of tension adjustment, and ensure that the inner liner support pipe can run stably under different tensions; the inner liner support pipe passes through the fifth guide wire wheel 2.6 and is connected with the second tension adjusting device 5 at the rear end.
[0029] As shown in Figure 5 and Figure 6 , the second tension adjusting device 5 includes a sixth guide wire wheel 5.1, a seventh guide wire wheel 5.2 and a gravity sliding block 5.3. The upper connecting plate 5.21 and the lower connecting plate 5.32 are respectively connected with the rack 4. One end of the left sliding rod 5.23 and the right sliding rod 5.24 is respectively connected with the upper connecting plate 5.21, and the other end of the left sliding rod 5.23 and the right sliding rod 5.24 is respectively connected with the lower connecting plate 5.32. The upper part of the left sliding rod 5.23 and the right sliding rod 5.24 is connected with the horizontal shaft 5.22, the middle part of the left sliding rod 5.23 and the right sliding rod 5.24 is connected with the seventh guide wire wheel 5.2, and the lower part of the left sliding rod 5.23 and the right sliding rod 5.24 is connected with the gravity sliding block 5.3. The middle groove of the gravity sliding block 5.3 is connected with the horizontal shaft, and the horizontal shaft is connected with the sixth guide wire wheel 5.1. The gravity sliding block 5.3 can slide along the left sliding rod 5.23 and the right sliding rod 5.24,
[0030] The rear end of the speed regulating wheel 7 is connected with the eighth guide wire wheel 8, and then the inner liner support pipe 10 can enter the spinneret 9, wherein the spinneret 9 is directly below the eighth guide wire wheel 8.
[0031] A multi-station tension stable rope feeding mechanism, comprising a rack 4, an I-shaped wheel 1 is placed on both sides of the rack 4, the I-shaped wheels 1 are stacked, the rack 4 has a plurality of guide wire wheels 3, each I-shaped wheel 1 adjusts the direction along the guide wire wheels 3, according to Figure 2 , the inner liner support pipe 10 on the I-shaped wheel 1 passes through the first guide wire wheel 2.1, the second guide wire wheel 2.2, the third guide wire wheel 2.4, the fourth guide wire wheel 2.5, the fifth guide wire wheel 2.6, and then passes through the sixth guide wire wheel 5.1 and the seventh guide wire wheel 5.2 on Figure 5 , and then passes through the speed regulating wheel 7 and the eighth guide wire wheel 8, and is connected with the spinneret 9 at the rear end.
[0032] The I-shaped wheel 1 is connected with the inner liner support pipe 10, and the inner liner support pipes 10 of the plurality of I-shaped wheels 1 are welded and connected with each other.
[0033] The inner lining support pipe 10 is sent to the speed regulating motor 6 through the tension stabilizing mechanism (the first tension adjusting device 2 and the second tension adjusting device 5), and the speed regulating motor 6 sends the plurality of inner lining support pipes 10 to the spinneret 9 at a set speed, so that the plurality of hollow fiber membranes are formed at a stable speed and tension.
[0034] The inner lining support pipe 10 is sent to the speed regulating wheel 7 through the tension stabilizing mechanism (the first tension adjusting device 2 and the second tension adjusting device 5), and then connected to the spinneret 9 after passing through the eighth guide wheel 8, which is the running track of the single inner lining support pipe 10. Figure 1 A plurality of tension stabilizing mechanisms can be installed on the rack 4, so that the plurality of inner lining support pipes 10 are sent to the speed regulating wheel 7 after passing through the tension stabilizing mechanism, and then connected to the spinneret 9 after passing through the eighth guide wheel 8, so that the plurality of inner lining support pipes 10 are sent to the spinneret 9.
[0035] The spinneret 9 is connected with the rear-end spinning device, and the description of the utility model discloses that the plurality of inner lining support pipes 10 are sent to the spinneret through the tension stabilizing mechanism and the speed regulating wheel 7, and the spinning device connected with the spinneret belongs to another device.
[0036] Embodiment 3: as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 A multi-station tension-stabilized rope feeding mechanism, comprising a spool 1, a first tension adjusting device 2, a guide wheel 3, a rack 4, a second tension adjusting device 5, a speed regulating motor 6, a speed regulating wheel 7, an eighth guide wheel 8, a spinneret 9 and an inner lining support pipe 10.
[0037] The first tension adjusting device 2 comprises a first guide wheel 2.1, a second guide wheel 2.2, a rotating shaft 2.3, a third guide wheel 2.4, a fourth guide wheel 2.5, a fifth guide wheel 2.6, a spring mechanism 2.7, a rotating shaft 2.8, a gear 2.9 and a connecting rod 2.11, and the second tension adjusting device 5 comprises a sixth guide wheel 5.1, a seventh guide wheel 5.2 and a gravity sliding block 5.3.
[0038] As shown in Figure 1 , the inner lining support pipe 10 on the spool 1 passes through the first tension adjusting device 2.
[0039] As shown in Figure 2 , Figure 3 and Figure 4As shown, the inner liner support tube 10 first passes through the first guide pulley 2.1, then through the second guide pulley 2.2, then through the rotating shaft 2.3, then through the third guide pulley 2.4, the fourth guide pulley 2.5 and the fifth guide pulley 2.6 in turn, the spring mechanism 2.7 can make the fifth guide pulley 2.6 swing left and right by adjusting the pre-tightening force, so as to achieve tension adjustment and ensure that the inner liner support tube can run stably under different tensions; the inner liner support tube passes through the fifth guide pulley 2.6 and is connected to the second tension adjusting device 5 at the rear end.
[0040] As shown in Figure 5 and Figure 6 , the inner liner support tube 10 is connected to pass through the seventh guide pulley 5.2 and the sixth guide pulley 5.1 in turn, and the running length is changed by the gravity slider 5.3 to achieve tension adjustment. The rear end of the sixth guide pulley 5.1 is connected to the speed regulating wheel 7, the speed regulating wheel 7 can control the speed of the vehicle through the speed regulating motor 6, prevent the inner liner support tube from being rubbed by the front end guide pulley and causing burrs on the surface, the rear end of the speed regulating wheel 7 is connected to the eighth guide pulley 8, and then the inner liner support tube can enter the spinneret plate 9. The spinneret plate 9 is directly below the eighth guide pulley 8, as shown in Figure 7 , which ensures that the inner liner support tube is concentric with the central hole of the spinneret plate 9. The speed regulating motor 6 and the speed regulating wheel 7 are connected through the connecting rod, and the rotating speed can be controlled. The speed regulating motor 6 sends multiple inner liner support tubes 10 to the spinneret plate 9 at a set speed, so that multiple hollow fiber membranes are formed at a stable speed and tension.
[0041] As shown in Figure 7 , there is an eighth guide pulley 8 above the spinneret plate 9 to adjust the direction, so that the inner liner support tube 10 is concentric with the spinneret plate 9, and the corresponding number can be increased according to the demand.
[0042] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , the working principle of a multi-station tension stable rope feeding mechanism: including an overall frame 4 and six spinneret plates connected at the rear end, multiple disc I-beams 1 are placed on both sides of the frame 4, and each position can be stacked. The inner liner support tube 10 in the I-beam 1 is sent to the first tension adjusting device 2 along the guide pulley, and then connected to the rear end second tension adjusting device 5 along the guide pulley 3 after being stably adjusted by the preliminary tension. Then, through the speed regulating motor 6, the speed regulating wheel 7 can be sent to the rear end spinneret plate, and the direction of the spinneret plate front end can be controlled by the guide pulley to ensure that the inner liner support tube is concentric with the central hole of the spinneret plate. This is the working path of one inner liner support tube, and multiple inner liner support tubes can be supported on each frame 4 to simultaneously feed the rope, so that multiple hollow fiber membranes can be formed at the same time, and the inner liner support tube 10 is concentric with the central hole of the spinneret plate 9.
[0043] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A multi-station tension-stable cord feeding mechanism, characterized by, The I-beams are placed on both sides of the frame, and the I-beams are stacked, the frame has a plurality of godets, each I-beam is adjusted along the godets, the inner liner support tube on the I-beam passes along the first godet, the second godet, the third godet, the fourth godet, the fifth godet, then passes through the sixth godet and the seventh godet, then passes through the speed regulating wheel and the eighth godet, and the rear end is connected with the spinneret plate.
2. A multi-station tension-stable cord feeding mechanism according to claim 1, characterized in that The first godet is connected with one end of the connecting rod through a shaft, the other end of the connecting rod is connected with the second godet through a shaft, the other end of the connecting rod is connected with the shaft body of the rotating shaft, the shaft body of the rotating shaft supports the rotating shaft, the gear connected with the rotating shaft is engaged with the gear, the gear is connected with the rotating shaft, the rotating shaft is supported by the shaft body of the rotating shaft, the shaft body of the rotating shaft and the shaft body of the rotating shaft are connected with the frame, the spring mechanism is connected with the support rod and the frame, the other end of the support rod is connected with the fifth godet through a shaft, the connecting rod is connected with the spring mechanism, one end of the connecting plate is connected with the shaft body of the rotating shaft, the other end of the connecting plate is connected with the other end of the connecting rod through a shaft, the inner liner support tube passes through the first godet, then passes through the second godet, then passes through the rotating shaft, then passes through the third godet, the fourth godet and the fifth godet in sequence, the spring mechanism adjusts the pre-tightening force to make the fifth godet swing left and right, the inner liner support tube passes through the fifth godet and is connected with the second tension adjusting device at the rear end, the second tension adjusting device comprises the sixth godet, the seventh godet and the gravity sliding block, the upper connecting plate and the lower connecting plate are connected with the frame respectively, one end of the left sliding rod and the right sliding rod is connected with the upper connecting plate respectively, the other end of the left sliding rod and the right sliding rod is connected with the lower connecting plate respectively, the upper part of the left sliding rod and the right sliding rod is connected with the horizontal shaft, the middle part of the left sliding rod and the right sliding rod is connected with the seventh godet, the gravity sliding block is connected with the lower part of the left sliding rod and the right sliding rod respectively, the middle groove of the gravity sliding block is connected with the horizontal shaft respectively, the horizontal shaft is connected with the sixth godet, the gravity sliding block can slide along the left sliding rod and the right sliding rod, the speed regulating wheel is connected with the eighth godet at the rear end, and the inner liner support tube enters the spinneret plate.
3. A multi-station tension-stable cord feeding mechanism according to claim 1, characterized in that The I-beams are connected with the inner liner support tubes, the inner liner support tubes of the plurality of I-beams are welded and connected with each other, and the spinneret plate is directly below the eighth godet.
4. The multi-station tension-stable cord feeding mechanism according to claim 1, characterized in that The inner liner support tubes pass through the first tension adjusting device and the second tension adjusting device and are sent to the speed regulating motor, the speed regulating motor sends a plurality of inner liner support tubes to the spinneret plate at a set speed.
5. A multi-station tension-stable cord feeding mechanism according to claim 1, characterized in that The inner liner support tubes pass through the first tension adjusting device and the second tension adjusting device and are sent to the speed regulating wheel, a plurality of tension stabilizing mechanisms are installed on the frame, the plurality of inner liner support tubes pass through the tension stabilizing mechanisms and are sent to the speed regulating wheel, then pass through the eighth godet and are connected with the spinneret plate.