Stretching device for hollow fiber flat sheet membrane production

Abstract

The utility model discloses a stretching device for hollow fiber flat sheet membrane production, which comprises a support frame, the inside of the support frame is rotatably connected with a two-way screw, both sides of the inside of the support frame are fixedly connected with limiting rods, both ends of the inside of the support frame are provided with stretching assemblies, and the two ends of the inside of the support frame are fixedly connected with the limiting rods. And moving assemblies are fixedly connected to the front end and the rear end of the outer side of the supporting frame correspondingly, and supporting assemblies are slidably connected to the outer sides of the moving assemblies correspondingly. According to the device, the two ends of the hollow fiber membrane filament can be clamped through the clamping assemblies, the clamping assemblies are arranged on the corresponding rotating shafts in a sleeving mode through the sleeves, the distance between the clamping assemblies on the supporting assembly can be adjusted through the moving assembly according to the length of the hollow fiber membrane filament, and the hollow fiber membrane filament bypasses the stretching rod; the distance between the stretching assemblies can be adjusted through a first servo motor, a two-way screw rod and a limiting rod, so that the hollow fiber membrane filaments can be stretched.

Description

Technical Field

[0001] The utility model relates to the technical field of stretching devices, in particular to a stretching device for producing hollow fiber flat membranes. Background Art

[0002] The membrane plate of the hollow fiber flat membrane consists of a substrate and hollow fiber membrane fibers glued to the substrate by glue. Hollow fiber membrane fibers are a high-tech technology widely used in water purification, solution separation, concentration, and extraction of useful substances from wastewater, and wastewater purification and reuse. The use process of hollow fiber membrane fibers to purify water or extract substances from water is simple, does not require heating, and can operate at low pressure, saving energy and occupying a small area of ​​the device. In the process of making hollow fiber membrane fibers, the hollow fiber membrane fibers need to be stretched.

[0003] The Chinese patent with the patent publication number CN106592047B discloses a stretching mechanism for hollow fiber membranes, including a moving device, a pushing device and a telescopic support rod, wherein the moving device is mainly composed of a guide rail platform and a slider assembly, wherein a guide rail is arranged on the guide rail platform, and a slide groove is arranged on the slider assembly; the pushing device can push the slider assembly to move, and one end of the support rod can be connected to the slider assembly, and the other end of the support rod can be connected to the pushing device. During the stretching process, the hollow fiber membrane is first tied to the support rod, and then one end of the support rod is installed on the slider assembly, and the other end of the support rod is installed on the fixed part of the pushing device, and then the motor driving the pushing device is started to extend the telescopic end of the pushing device and push the slider assembly to move, thereby stretching the support rod, and then stretching the hollow fiber membrane located on the support rod. This stretching method is not only simple and efficient, but also conducive to the next step of baking and shaping.

[0004] Existing stretching devices mostly use linear stretching, which makes it difficult to stretch hollow fiber membranes over long distances. In order to overcome these disadvantages, the utility model provides a stretching device for producing hollow fiber flat membranes. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a stretching device for producing hollow fiber flat membranes.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a stretching device for the production of hollow fiber flat membranes, comprising a support frame, the internal rotation of the support frame is connected to a bidirectional screw, the internal sides of the support frame are fixedly connected to limit rods, the internal ends of the support frame are provided with stretching components, the front and rear ends of the outer sides of the support frame are fixedly connected to moving components, the outer sides of the moving components are slidably connected to support components, and the upper ends of the support components are provided with clamping components.

[0007] Furthermore, the stretching assembly includes a connecting block, and the upper ends of the connecting blocks are rotatably connected to the stretching rods.

[0008] Furthermore, the connection block is threadedly connected to one side of the bidirectional screw, and the connection block is slidably connected to the corresponding limit rod.

[0009] Furthermore, a plurality of supporting feet are fixedly connected to the lower end of the support frame, a first servo motor is fixedly connected to one side of the support frame, and an output end of the first servo motor is fixedly connected to one end of the bidirectional screw.

[0010] Furthermore, the moving assembly includes a slide rail, a first screw rod is rotatably connected inside the slide rail, a second servo motor is fixedly connected to one side of the slide rail, and an output end of the second servo motor is fixedly connected to one end of the first screw rod.

[0011] Furthermore, the support assembly includes a slider, the upper end of which is fixedly connected to a rotating shaft, the slider is slidably connected to a slide rail, and the slider is threadedly connected to the first screw.

[0012] Furthermore, the clamping assembly includes a sleeve, one side of the sleeve is fixedly connected to a fixed plate, one side of the fixed plate is provided with a movable clamping plate, and a locking bolt is provided between the movable clamping plate and the fixed plate.

[0013] Beneficial effects of the utility model:

[0014] When the utility model is in use, the stretching device for producing hollow fiber flat membranes can clamp the two ends of the hollow fiber membrane threads through the clamping components, the clamping components are mounted on the corresponding rotating shafts through the sleeves, and the spacing between the clamping components on the supporting components can be adjusted through the moving components according to the length of the hollow fiber membrane threads. The hollow fiber membrane threads bypass the stretching rods, and the spacing between the stretching components can be adjusted through the first servo motor, the bidirectional screw and the limit rod, so that the hollow fiber membrane threads can be stretched. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 : A front view of the utility model;

[0017] Figure 2 : Schematic diagram of the structure of the mobile component of the utility model;

[0018] Figure 3 : Schematic diagram of the structure of the clamping assembly of the utility model.

[0019] The reference numerals are as follows:

[0020] 1. Support frame; 2. Stretching assembly; 3. Moving assembly; 4. Support assembly; 5. Clamping assembly; 6. Support foot; 7. Bidirectional screw; 8. Limit rod; 9. Connecting block; 10. Stretching rod; 11. First servo motor; 12. Slide rail; 13. First screw; 14. Second servo motor; 15. Slider; 16. Rotating shaft; 17. Sleeve; 18. Fixed plate; 19. Movable splint; 20. Locking bolt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-3 As shown, it relates to a stretching device for producing hollow fiber flat membranes, including a support frame 1, characterized in that: a bidirectional screw 7 is rotatably connected inside the support frame 1, limiting rods 8 are fixedly connected on both sides of the inside of the support frame 1, stretching components 2 are arranged at both ends of the inside of the support frame 1, moving components 3 are fixedly connected to the front and rear ends of the outer sides of the support frame 1, support components 4 are slidably connected to the outer sides of the moving components 3, and clamping components 5 are arranged on the upper ends of the support components 4.

[0023] like Figure 1-3 As shown, the stretching assembly 2 includes a connecting block 9, the upper end of the connecting block 9 is rotatably connected to a stretching rod 10, the connecting block 9 is threadedly connected to one side of the bidirectional screw 7, the connecting block 9 is slidably connected to the corresponding limit rod 8, and the lower end of the support frame 1 is fixedly connected to a plurality of supporting feet 6, one side of the support frame 1 is fixedly connected to a first servo motor 11, and the output end of the first servo motor 11 is fixedly connected to one end of the bidirectional screw 7. The bidirectional screw 7 is driven to rotate by the first servo motor 11, which can drive the connecting block 9 to move along the limit rod 8, and the spacing between the stretching assemblies 2 can be adjusted, so that the hollow fiber membrane can be stretched.

[0024] like Figure 1-3As shown, the moving assembly 3 includes a slide rail 12, the interior of the slide rail 12 is rotatably connected to a first screw rod 13, one side of the slide rail 12 is fixedly connected to a second servo motor 14, the output end of the second servo motor 14 is fixedly connected to one end of the first screw rod 13, the supporting assembly 4 includes a slider 15, the upper end of the slider 15 is fixedly connected to a rotating shaft 16, the slider 15 is slidably connected to the slide rail 12, and the slider 15 is threadedly connected to the first screw rod 13, the second servo motor 14 drives the second screw to rotate, and can drive the slider 15 along The slide rail 12 moves to drive the rotating shaft 16 to move. The clamping assembly 5 includes a sleeve 17. One side of the sleeve 17 is fixedly connected to a fixed plate 18. A movable clamp 19 is provided on one side of the fixed plate 18. A locking bolt 20 is provided between the movable clamp 19 and the fixed plate 18. The end of the hollow fiber membrane is placed between the fixed plate 18 and the movable clamp 19. Tightening the locking bolt 20 can adjust the distance between the fixed plate 18 and the movable clamp 19, so that the hollow fiber membrane can be clamped.

[0025] Working principle: When in use, the two ends of the hollow fiber membrane can be clamped by the clamping assembly 5. Specifically, the end of the hollow fiber membrane is placed between the fixed plate 18 and the movable clamping plate 19. Tightening the locking bolt 20 can adjust the distance between the fixed plate 18 and the movable clamping plate 19, so that the hollow fiber membrane can be clamped. The clamping assembly 5 is sleeved on the corresponding rotating shaft 16 through the sleeve 17. According to the length of the hollow fiber membrane, the distance between the clamping assemblies 5 on the supporting assembly 4 can be adjusted by the moving assembly 3. Specifically, the second servo motor 14 drives the second screw to rotate, which can drive the slider 15 to move along the slide rail 12, thereby driving the rotating shaft 16 to move. The hollow fiber membrane is Figure 1 As shown, the stretching rod 10 is bypassed and the bidirectional screw 7 is driven to rotate by the first servo motor 11, which can drive the connecting block 9 to move along the limiting rod 8, and the distance between the stretching components 2 can be adjusted, so that the hollow fiber membrane can be stretched.

[0026] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A stretching device for producing hollow fiber flat membranes, comprising a support frame (1), characterized in that: The support frame (1) is internally rotatably connected with a bidirectional screw rod (7), both sides of the support frame (1) are fixedly connected with limit rods (8), both ends of the support frame (1) are provided with stretching components (2), the front and rear ends of the outer sides of the support frame (1) are fixedly connected with moving components (3), the outer sides of the moving components (3) are slidably connected with support components (4), and the upper ends of the support components (4) are provided with clamping components (5).

2. A stretching device for producing hollow fiber flat membranes according to claim 1, characterized in that: The stretching assembly (2) comprises a connecting block (9), and the upper end of each connecting block (9) is rotatably connected to a stretching rod (10).

3. A stretching device for producing hollow fiber flat membranes according to claim 2, characterized in that: The connection block (9) is threadedly connected to one side of the bidirectional screw rod (7), and the connection block (9) is slidably connected to the corresponding limit rod (8).

4. The stretching device for producing hollow fiber flat membrane according to claim 1, characterized in that: The lower end of the support frame (1) is fixedly connected to a plurality of support feet (6), one side of the support frame (1) is fixedly connected to a first servo motor (11), and the output end of the first servo motor (11) is fixedly connected to one end of a bidirectional screw rod (7).

5. The stretching device for producing hollow fiber flat membrane according to claim 1, characterized in that: The moving assembly (3) comprises a slide rail (12), the interior of the slide rail (12) is rotatably connected to a first screw rod (13), one side of the slide rail (12) is fixedly connected to a second servo motor (14), and the output end of the second servo motor (14) is fixedly connected to one end of the first screw rod (13).

6. The stretching device for producing hollow fiber flat membrane according to claim 1, characterized in that: The support assembly (4) comprises a slider (15), the upper end of which is fixedly connected to a rotating shaft (16), the slider (15) is slidably connected to the slide rail (12), and the slider (15) is threadedly connected to the first screw rod (13).

7. The stretching device for producing hollow fiber flat membrane according to claim 1, characterized in that: The clamping assembly (5) comprises a sleeve (17), one side of the sleeve (17) is fixedly connected to a fixing plate (18), one side of the fixing plate (18) is provided with a movable clamping plate (19), and a locking bolt (20) is provided between the movable clamping plate (19) and the fixing plate (18).

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