Hollow fiber membrane take-up device

Abstract

The utility model discloses a hollow fiber membrane take-up device, and relates to the technical field of hollow fiber dialysis membrane preparation, the hollow fiber membrane take-up device comprises a conveying assembly, a yarn clamping assembly and a yarn cutting assembly; the wire clamping assembly comprises at least two clamping devices; the at least two clamping devices are mounted on the conveying assembly in the conveying direction of the conveying assembly at an adjustable interval and are used for clamping membrane filaments; the conveying assembly is used for driving the clamping device to move so as to convey the membrane filaments; and the shredding assembly is used for slitting the membrane filaments clamped by the clamping assembly. Wire collecting and slitting can be completed synchronously, automatic operation is achieved, manual operation is not needed, and the labor cost is reduced; and the linear traction motion of the membrane filaments is completed through the cooperation of the conveying assembly and the filament clamping assembly, shearing treatment is not needed, and material waste is avoided. Furthermore, the at least two clamping devices are arranged in a spacing-adjustable manner, the slitting of the membrane filaments with different lengths can be realized by changing the mounting spacing, and compared with the prior art, filament winding wheels do not need to be arranged respectively, so that the cost is greatly reduced.

Description

Technical Field

[0001] The present application relates to the technical field of hollow fiber dialysis membrane preparation, and in particular to a hollow fiber membrane collecting device. Background Art

[0002] Hemodialysis is the most important and effective treatment for acute and chronic renal failure. Its main purpose is to remove metabolic waste from the patient's blood, remove toxins and excess water from the patient's body, and maintain water, electrolyte and acid-base balance. The hemodialyzer is the most core device, and its performance directly affects the patient's treatment effect, while the hollow fiber membrane is the key component of the dialyzer.

[0003] At present, hollow fiber membranes are mainly manufactured by wet spinning, which is formed by forming a solution of polysulfone and other polymer materials, spraying from a precision spinneret, and then washing with pure water, drying, collecting and cutting. The existing collecting process is mostly done manually, where the dried fiber membrane filaments are pulled and wound onto a collecting wheel (a polygonal four-wheel or rotating straight beam yarn frame collecting device), and then the pre-set number of windings are removed and the package is cut.

[0004] The above-mentioned wire collection method still has the following shortcomings:

[0005] (1) The replacement of the wire collecting wheel and the cutting of the membrane wire both require the responsibility of a dedicated person, wasting a lot of manpower;

[0006] (2) In order to ensure the stability of the wire collecting wheel, the wire collecting wheel is mostly hexagonal or octagonal, with many sides and complex structure. The local curvature of the film wire on the wire collecting wheel corner is too large to be used and needs to be cut off, resulting in material waste;

[0007] (3) The size and length of the collecting wheel need to be changed to correspond to different film filament lengths, and collecting wheels of different sizes need to be prepared in advance, which is inconvenient to operate and has high costs. Utility Model Content

[0008] In view of this, the purpose of the present application is to provide a hollow fiber membrane collecting device to solve the technical problems of waste of human resources, waste of materials, inconvenient operation and high cost in the existing collecting process.

[0009] In order to achieve the above technical purpose, the present application provides a hollow fiber membrane wire collection device, including a conveying component, a wire clamping component and a wire cutting component;

[0010] The wire clamping assembly includes at least two clamps;

[0011] At least two clamps are installed on the conveying assembly with adjustable spacing along the conveying direction of the conveying assembly, and are used to clamp the membrane filaments;

[0012] The conveying assembly is used to convey the film filaments by driving the gripper to move;

[0013] The wire cutting assembly is used to cut the film filaments clamped by the wire clamping assembly.

[0014] Further, the conveying assembly includes a conveying table, a conveyor belt, and a conveying driver;

[0015] The conveyor belt is installed on the conveying table;

[0016] The conveying driver is installed on the conveying table and is used to drive the conveyor belt to rotate;

[0017] At least two grippers are installed on the conveyor belt at adjustable intervals along the circumferential direction of the conveyor belt.

[0018] Further, a plurality of fixed seats are arranged at intervals along the conveying direction of the conveying assembly;

[0019] The gripper is detachably installed on the fixed seat.

[0020] Further, the gripper is a pneumatic gripper or an electric gripper.

[0021] Further, the wire cutting assembly includes a wire cutting frame, at least one wire cutting knife, and a wire cutting driver;

[0022] The wire cutting knife is arranged above the conveying assembly;

[0023] The wire cutting driver is installed on the wire cutting frame and is connected to the wire cutting knife, and is used to drive the wire cutting knife to move up and down to cut the film filaments clamped on the wire clamping assembly.

[0024] Further, the wire cutting driver is a telescopic cylinder.

[0025] Further, a tool holder is installed below the clamped film filaments on the conveying assembly;

[0026] The tool holder is provided with a tool groove for inserting the wire cutting knife.

[0027] Further, a guiding mechanism is further included;

[0028] The guiding mechanism is arranged on one side of the input end of the conveying assembly and is used to guide the film filaments to the conveying assembly.

[0029] Further, a wire collecting container is further included;

[0030] The wire collecting container is arranged on one side of the output end of the conveying assembly.

[0031] Further, a detector is further included;

[0032] The detector is used to detect the position of the gripper.

[0033] As can be seen from the above technical solutions, the designed hollow fiber membrane wire winding device of the present application has the following beneficial effects:

[0034] 1. By using the cooperation of the conveying assembly and the wire clamping assembly, the fixing and conveying of the membrane filaments are realized. Then, the fixed membrane filaments are slit by the slitting assembly, and the slit membrane filaments can be output under the conveying of the conveying assembly, so as to complete the wire winding and slitting synchronously, realize automated operation, without the need for manual operation, and reduce labor costs.

[0035] 2. By using the cooperation of the conveying assembly and the wire clamping assembly to complete the linear traction movement of the membrane filaments, there is no corner traction of the wire winding wheel, which will not cause excessive local curvature, and thus no shearing treatment is required, avoiding material waste.

[0036] 3. At least two grippers are designed with adjustable spacing, and different lengths of membrane filaments can be slit by changing the installation spacing. Compared with the prior art, there is no need to separately set wire winding wheels, which greatly reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0038] Figure 1 It is a schematic structural diagram of a hollow fiber membrane wire winding device provided in the present application;

[0039] In the figure: 11, gripper; 21, conveying table; 22, conveyor belt; 31, slitting driver; 32, slitting knife; 33, tool rest; 34, guide rail assembly; 4, guiding mechanism; 5, detector; 6, wire winding container. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0040] The following will clearly and completely describe the technical solutions of the embodiments of the present application with reference to the drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments in the present application belong to the scope protected by the embodiments of the present application.

[0041] In the description of the embodiments of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the embodiments of the present application. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0042] In the description of the embodiments of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a replaceable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.

[0043] The embodiments of the present application disclose a hollow fiber membrane wire winding device.

[0044] Please refer to Figure 1 , an embodiment of a hollow fiber membrane wire winding device provided in the embodiments of the present application includes:

[0045] A conveying assembly, a wire clamping assembly, and a wire cutting assembly.

[0046] The wire clamping assembly includes at least two clamps 11. The at least two clamps 11 are installed on the conveying assembly at adjustable intervals along the conveying direction of the conveying assembly for clamping the membrane filaments. The interval between adjacent clamps 11 is determined according to the required final length of the membrane filaments.

[0047] The conveying assembly is used to convey the membrane filaments by driving the clamps 11 to move.

[0048] The wire cutting assembly is used to cut the membrane filaments clamped by the wire clamping assembly.

[0049] The designed hollow fiber membrane wire winding device of the present application has the following beneficial effects:

[0050] 1. By the cooperation of the conveying assembly and the wire clamping assembly, the fixing and conveying of the membrane filaments are realized. Then, the fixed membrane filaments are cut by the wire cutting assembly. The cut membrane filaments can be output under the conveying of the conveying assembly, so as to complete the wire winding and cutting synchronously, realize automatic operation, eliminate the need for manual operation, and reduce labor costs.

[0051] 2. The linear traction movement of the membrane filaments is completed by the cooperation of the conveying component and the wire clamping component. There is no corner traction by a winding wheel, which will not cause excessive local curvature, so no shearing treatment is required, avoiding material waste.

[0052] 3. At least two holders 11 are designed with adjustable spacing installation, and different lengths of membrane filaments can be slit by changing the installation spacing. Compared with the prior art, there is no need to separately set winding wheels, greatly reducing costs.

[0053] The above is the first embodiment of a hollow fiber membrane wire winding device provided by this application. The following is the second embodiment of a hollow fiber membrane wire winding device provided by this application. For details, please refer to Figure 1 。

[0054] Based on the solution of the first embodiment above:

[0055] Further, for the design of the conveying component, it is a belt conveying structure, including a conveying table 21, a conveyor belt 22, and a conveying driver (not shown in the figure).

[0056] The conveyor belt 22 is installed on the conveying table 21, and the conveying driver is installed on the conveying table 21 and is used to drive the conveyor belt 22 to rotate. Specifically, a driving roller and a driven roller are provided on the conveying table 21. The conveyor belt 22 passes around the driving roller and the driven roller and is in transmission connection with the driving roller and the driven roller. The conveying driver is a rotary motor, which is connected to the driving roller and is used to drive the driving roller to move, thereby driving the conveyor belt 22 to rotate. Specifically, it can refer to the design of the existing belt conveying structure or be adopted without further elaboration.

[0057] At least two holders 11 are installed on the conveyor belt 22 at adjustable intervals along the circumferential direction of the conveyor belt 22.

[0058] Further, in order to achieve adjustable installation spacing of the holders 11, a plurality of fixed seats (not shown in the figure) are arranged at intervals along the conveying direction of the conveying component, and the holders 11 are detachably installed on the fixed seats. By fixing two adjacent holders 11 on different fixed seats, different installation spacings can be obtained to meet the requirement of adjustable installation spacing. Those skilled in the art can make appropriate variation designs based on this without limitation.

[0059] Further, the holder 11 can be a pneumatic gripper or an electric gripper. Taking the pneumatic gripper as an example, it can specifically be a cylinder.

[0060] Further, for the design of the wire cutting component, it includes a wire cutting frame (not shown in the figure), at least one wire cutting knife 32, and a wire cutting driver 31.

[0061] The wire cutting knife 32 is arranged above the conveying component.

[0062] The wire cutting driver 31 is installed on the wire cutting frame and connected to the wire cutting knife 32, and is used to drive the wire cutting knife 32 to move up and down, so as to slit the film wire clamped on the wire clamping assembly.

[0063] Specifically, the wire cutting frame can be directly installed on the conveying assembly, specifically on the conveying table 21. When there is a single wire cutting knife 32, the wire cutting driver 31 is directly connected to the wire cutting knife 32 and drives the wire cutting knife 32 to move up and down to complete the slitting action. When the number of wire cutting knives 32 is multiple, a tool holder 33 can be additionally provided; the tool holder 33 is installed on the wire cutting frame through a guide rail assembly 34 to move up and down. Multiple wire cutting knives 32 are arranged at intervals at the bottom of the tool holder 33, and the wire cutting driver 31 is connected to the tool holder 33. By driving the tool holder 33 to move up and down, multiple wire cutting knives 32 can be driven to perform the slitting action at one time, so that the film wires of multiple lengths can be slit at one time.

[0064] The specific number of wire cutting knives 32 is determined according to the required length of the film wire and the spacing between adjacent holders 11.

[0065] Furthermore, the wire cutting driver 31 can be a telescopic cylinder, a lead screw slide table, an electric push rod, etc., without limitation.

[0066] Furthermore, in order to better slit the film wire, a tool rest (not shown in the figure) is installed on the conveying assembly below the clamped film wire. The tool rest is provided with a tool slot for the wire cutting knife 32 to insert. The design of the tool slot ensures that the wire cutting knife 32 can completely cut off the film wire, and at the same time will not directly collide with the tool rest, and also plays a role in protecting the wire cutting knife 32.

[0067] Furthermore, a guiding mechanism 4 is further included. The guiding mechanism 4 is arranged on one side of the input end of the conveying assembly and is used to guide the film wire pulled by the traction mechanism to the conveying assembly. The guiding mechanism 4 can be a guide rail or a guiding wheel set, which is used to guide the direction of the film wire, and is not specifically limited.

[0068] Furthermore, a wire collecting container 6 is further included. The wire collecting container 6 is arranged on one side of the output end of the conveying assembly and is used to collect the slit film wires.

[0069] The number of wire collecting containers 6 can be one or more, and can be specifically determined according to the number of wire cutting knives 32, so as to distinguish and collect the film wires slit by different wire cutting knives 32.

[0070] Furthermore, in order to accurately slit the film wire, a detector 5 is further included. The detector 5 is used to detect the position of the holder 11. The detector 5 can be an infrared photoelectric sensor or a proximity sensor, etc. When a certain holder 11 is detected, it can be regarded that the film wire clamped by the holder 11 reaches the slitting position point. At this time, a feedback signal is sent to the wire cutting assembly, and the wire cutting assembly can accurately slit the film wire.

[0071] Working principle:

[0072] 1. According to the final required film filament length, determine the number and spacing of the clamps 11, the positioning of the detector 5 and the number of the cutters 32. The spacing of the clamps 11 is an integer multiple of the required film filament length, and the number of the cutters 32 is a multiple of the spacing of the clamps 11 and the film filament length.

[0073] 2. After the pre-treatment of the membrane filament is completed, the membrane filament is pulled to the conveying platform 21 through the guiding mechanism 4, and first passes through the guiding mechanism 4 in front of the input end of the conveying platform 21 to constrain the direction of the membrane filament.

[0074] 3. The conveyor belt 22 starts to rotate, and the clamp 11 starts to rotate with the conveyor belt 22. When it rotates to the guide mechanism 4, the clamp 11 clamps the film wire, and then transmits it on the conveyor belt 22 under the traction of the conveyor belt. When the clamp 11 reaches the specified position, the detector 5 transmits a signal and feedback, and the wire cutting assembly controls the wire cutting knife 32 to cut the film wire.

[0075] 4. The slit membrane filaments are pushed out of the conveying platform 21 and collected by the filament collection container 6.

[0076] 5. Repeat the above process until the film fibers in the fiber collection container 6 reach the required quantity, and then stop collecting the fibers.

[0077] When the required film wire length changes, the number and spacing of the clamps 11, the positioning of the detector 5 and the number of cutters are readjusted, and the above process is repeated.

[0078] The above is a detailed introduction to a hollow fiber membrane collecting device provided by the present application. For a general technician in this field, according to the ideas of the embodiments of the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A hollow fiber membrane collecting device, characterized in that: It includes a conveying component, a wire clamping component and a wire cutting component; The wire clamping assembly comprises at least two clamps (11); At least two clamps (11) are installed on the conveying component with adjustable spacing along the conveying direction of the conveying component, and are used to clamp the membrane filaments; The conveying assembly is used to convey the membrane filament by driving the clamp (11) to move; The wire cutting assembly is used to cut the film wire clamped by the wire clamping assembly.

2. A hollow fiber membrane collecting device according to claim 1, characterized in that: The conveying assembly comprises a conveying platform (21), a conveying belt (22) and a conveying drive; The conveyor belt (22) is installed on the conveyor platform (21); The conveying driver is installed on the conveying platform (21) and is used to drive the conveying belt (22) to rotate; At least two of the clamps (11) are installed on the conveyor belt (22) with adjustable spacing along the circumferential direction of the conveyor belt (22).

3. A hollow fiber membrane collecting device according to claim 1, characterized in that: The conveying assembly is provided with a plurality of fixing seats at intervals along the conveying direction; The holder (11) is detachably mounted on the fixing seat.

4. A hollow fiber membrane collecting device according to claim 1, characterized in that: The clamp (11) is a pneumatic clamp or an electric clamp.

5. The hollow fiber membrane collecting device according to claim 1, characterized in that: The slicing assembly comprises a slicing frame, at least one slicing knife (32) and a slicing driver (31); The shredder (32) is arranged above the conveying assembly; The wire cutting driver (31) is installed on the wire cutting frame and connected to the wire cutting knife (32) for driving the wire cutting knife (32) to move up and down so as to cut the film wire clamped on the wire clamping assembly.

6. A hollow fiber membrane collecting device according to claim 5, characterized in that: The wire cutting driver (31) is a telescopic cylinder.

7. A hollow fiber membrane collecting device according to claim 1, characterized in that: A knife seat is installed on the conveying assembly below the clamped membrane wire; The knife seat is provided with a knife groove for inserting the shredding knife (32).

8. The hollow fiber membrane collecting device according to claim 1, characterized in that: Also includes a guiding mechanism (4); The guiding mechanism (4) is arranged on one side of the input end of the conveying component and is used to guide the membrane filament to the conveying component.

9. A hollow fiber membrane collecting device according to claim 5, characterized in that: Also includes a wire collection container (6); The wire collection container (6) is arranged on one side of the output end of the conveying component.

10. The hollow fiber membrane collecting device according to claim 1, characterized in that: Also includes a detector (5); The detector (5) is used to detect the position of the clamp (11).

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