CN218340208U - End part glue sealing device of hollow fiber membrane detection device, production line of hollow fiber membrane and production line of membrane oxygenator - Google Patents
End part glue sealing device of hollow fiber membrane detection device, production line of hollow fiber membrane and production line of membrane oxygenator Download PDFInfo
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- CN218340208U CN218340208U CN202220703215.XU CN202220703215U CN218340208U CN 218340208 U CN218340208 U CN 218340208U CN 202220703215 U CN202220703215 U CN 202220703215U CN 218340208 U CN218340208 U CN 218340208U
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Abstract
The application discloses hollow fiber membrane detection device's tip molding equipment, hollow fiber membrane's production line and membrane oxygenator's production line, wherein, hollow fiber membrane detection device's tip molding equipment includes: the glue injection pipe is in an inverted U shape, and glue injection ports are formed in the two sides, close to the central axis, of the glue injection pipe; the hollow fiber membrane fixing shell is in a hollow columnar shape and is used for accommodating and fixing the hollow fiber membrane, one end of the glue injection pipe is communicated with one end of the hollow fiber membrane fixing shell, and the other end of the glue injection pipe is communicated with the other end of the hollow fiber membrane fixing shell; and the rotating device is connected with the hollow fiber membrane fixing shell and is used for driving the hollow fiber membrane fixing shell to horizontally rotate so as to seal the two ends of the hollow fiber membrane. The device can realize the unequal glue sealing of the end part of the hollow fiber membrane through the rotating centrifugal force of the rotating device, and bubbles in the glue can be discharged under the action of the centrifugal force, so that the glue injection surface is smooth.
Description
Technical Field
The application belongs to the technical field of membrane oxygenator development, and particularly relates to an end part glue sealing device of a hollow fiber membrane detection device, a production line of a hollow fiber membrane and a production line of a membrane oxygenator.
Background
The core material of the membrane oxygenator is PMP hollow fiber membrane, also called as 'artificial lung', which can realize the discharge of CO2 in blood and the entry of O2 in air into blood. The fiber membranes made by different manufacturers have different performances, and the incoming material detection of the hollow fiber membranes is very critical for the qualification rate of the oxygenator.
The testing device usually manufactured by each research unit is very simple, the end sealing glue is manually finished, the glue and the fiber membrane have bubbles and are not firmly bonded, the blood leakage phenomenon is eliminated, the fiber membrane is separated from the glue under the force of a cutter during cutting, and the fiber membrane hole is deformed and closed to influence the gas flux; the manual end sealing glue adhesion length is not controllable, and the effective surface area of the fiber membrane is not accurate.
SUMMERY OF THE UTILITY MODEL
The purpose of the application is to provide an end sealing device of a hollow fiber membrane detection device, a production line of the hollow fiber membrane and a production line of a membrane oxygenator, which are used for replacing the manual end sealing in the prior art.
According to a first aspect of embodiments of the present application, there is provided an end potting device of a hollow fiber membrane detection device, which may include:
the glue injection pipe is in an inverted U shape, and glue injection ports are formed in two sides, close to the central axis, of the glue injection pipe;
the hollow fiber membrane fixing shell is in a hollow columnar shape and used for accommodating and fixing the hollow fiber membrane, one end of the glue injection pipe is communicated with one end of the hollow fiber membrane fixing shell, and the other end of the glue injection pipe is communicated with the other end of the hollow fiber membrane fixing shell;
and the rotating device is connected with the hollow fiber membrane fixing shell and is used for driving the hollow fiber membrane fixing shell to horizontally rotate so that glue liquid entering from the two glue injection ports flows to the two ends of the hollow fiber membrane fixing shell and seals the two ends of the hollow fiber membrane.
In some optional embodiments of the present application, the hollow fiber membrane fixing housing comprises: the device comprises a hollow fiber membrane fixing cylinder, a first sealing rubber block and a second sealing rubber block;
the hollow fiber membrane fixing cylinder is used for containing and fixing the hollow fiber membrane;
the first rubber sealing block is hermetically connected with one end of the hollow fiber membrane fixing cylinder;
the second glue sealing block is hermetically connected with the other end of the hollow fiber membrane fixing cylinder;
and the first glue sealing block, the hollow fiber membrane fixing cylinder and the second glue sealing block form a closed glue injection space for accommodating the hollow fiber membrane.
In some optional embodiments of the present application, the hollow fiber membrane detection and glue injection device further comprises a pipe joint;
the glue injection pipe is communicated with the inside of the hollow fiber membrane fixing shell through the pipe joint.
In some optional embodiments of the present application, the hollow fiber membrane detection glue injection device further comprises a glue injection barrel;
the bottom of the glue injection barrel is provided with a glue outlet which is communicated with the glue injection port.
In some optional embodiments of the present application, the glue injection pipe is made of a flexible material; the hollow fiber membrane detection glue injection device also comprises a glue pipe clamp;
the rubber tube clamp is arranged in the middle of the rubber injection tube in a clamping mode, so that rubber liquid entering from the two rubber injection ports can be divided to two ends under the action of centrifugal force.
In some optional embodiments of the present application, the rotating means is a rotating disk.
In some optional embodiments of the present application, the hollow fiber membrane detection glue injection device further includes a glue solution injector;
the glue injector is used for injecting quantitative glue from the two glue injection ports respectively.
In some optional embodiments of the present application, the hollow fiber membrane fixing housing comprises: the hollow fiber membrane clamping frame, the first sealing rubber block and the second sealing rubber block;
the hollow fiber membrane clamping frame is used for clamping and fixing the hollow fiber membrane;
the first glue sealing block is detachably connected with one end of the hollow fiber membrane clamping frame;
the second glue sealing block is detachably connected with the other end of the hollow fiber membrane clamping frame;
and a clamping glue injection space formed by the first glue sealing block, the hollow fiber membrane clamping frame and the second glue sealing block is used for accommodating the hollow fiber membrane.
According to a second aspect of the embodiments of the present application, a production line of hollow fiber membranes is provided, in which an end potting device of the hollow fiber membrane detection device according to any one of the embodiments of the first aspect is used to perform end potting on the hollow fiber membranes.
According to a third aspect of the embodiments of the present application, there is provided a production line of a membrane oxygenator, the production line of the membrane oxygenator injecting end glue to a hollow fiber membrane by using an end glue sealing device of the hollow fiber membrane detection device according to any one of the embodiments of the first aspect.
The technical scheme of the application has the following beneficial technical effects:
according to the device provided by the embodiment of the application, the rotating device is arranged, the same amount of glue sealing at the end part of the hollow fiber membrane can be realized through the rotating centrifugal force of the rotating device, and bubbles in the glue can be discharged under the action of the centrifugal force, so that the glue injection surface is smooth, no bubbles exist in the glue injection, and the hollow fiber membrane and the glue are firmly bonded; in addition, because the glue injection pipe is provided with the two glue injection ports, unequal glue sealing of the end part of the hollow fiber membrane can be realized by controlling the glue injection amount of each glue injection port, and the controllable glue injection amount of the end part of the hollow fiber membrane is realized.
Drawings
FIG. 1 is a cross-sectional view of an end sealant device of a hollow fiber membrane inspection device in an exemplary embodiment of the present application;
FIG. 2 is a schematic view of an end sealant device of the hollow fiber membrane detection device according to an exemplary embodiment of the present application;
FIG. 3 is a perspective view of an end sealant device of a hollow fiber membrane detection device in an exemplary embodiment of the present application.
Reference numerals:
1: a glue injection pipe; 2: a glue injection port; 3: a glue injection port; 4: a pipe joint; 5: a first sealing rubber block; 6: a hollow fiber membrane; 7: a hollow fiber membrane clamping frame; 8: a second sealing rubber block; 11: a central rotating shaft; 12: rotating the disc; 13: the direction of rotation.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings in combination with the specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present application. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present application.
In the drawings, a schematic diagram of a layer structure according to an embodiment of the application is shown. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity. The shapes of various regions, layers, and relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, as actually required.
It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is noted that the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features mentioned in the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.
The end sealing device of the hollow fiber membrane detection device provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings by specific embodiments and application scenarios thereof.
As shown in fig. 1, in a first aspect according to an embodiment of the present application, there is provided an end potting device of a hollow fiber membrane detection device, which may include:
the glue injection pipe is in an inverted U shape, and glue injection ports are formed in two sides, close to the central axis, of the glue injection pipe;
the hollow fiber membrane fixing shell is in a hollow columnar shape and used for accommodating and fixing the hollow fiber membrane, one end of the glue injection pipe is communicated with one end of the hollow fiber membrane fixing shell, and the other end of the glue injection pipe is communicated with the other end of the hollow fiber membrane fixing shell;
and the rotating device is connected with the hollow fiber membrane fixing shell and is used for driving the hollow fiber membrane fixing shell to horizontally rotate so that glue liquid entering from the two glue injection ports flows to the two ends of the hollow fiber membrane fixing shell and seals the two ends of the hollow fiber membrane.
The device of the embodiment is provided with the rotating device, the equivalent glue sealing of the end part of the hollow fiber membrane can be realized through the rotating centrifugal force of the rotating device, and bubbles in the glue can be discharged under the action of the centrifugal force, so that the glue injection surface is smooth, no bubbles exist in the glue injection, and the hollow fiber membrane is firmly bonded with the glue; in addition, because the glue injection pipe is provided with the two glue injection ports, unequal glue sealing of the end part of the hollow fiber membrane can be realized by controlling the glue injection amount of each glue injection port, and the controllable glue injection amount of the end part of the hollow fiber membrane is realized.
The rotating device in this embodiment is a power device for providing a rotating centrifugal force to the hollow fiber membrane fixed housing, and as shown in fig. 2, the rotating device may be a tray connected to a rotating motor.
In some optional embodiments of the present application, the hollow fiber membrane fixing housing comprises: the device comprises a hollow fiber membrane fixing cylinder, a first sealing rubber block and a second sealing rubber block;
the hollow fiber membrane fixing cylinder is used for containing and fixing the hollow fiber membrane;
the first rubber sealing block is hermetically connected with one end of the hollow fiber membrane fixing cylinder;
the second glue sealing block is hermetically connected with the other end of the hollow fiber membrane fixing cylinder;
and the first glue sealing block, the hollow fiber membrane fixing cylinder and the second glue sealing block form a closed glue injection space for accommodating the hollow fiber membrane.
In some optional embodiments of the present application, the hollow fiber membrane detection and glue injection device further comprises a pipe joint;
the glue injection pipe is communicated with the inside of the hollow fiber membrane fixing shell through the pipe joint.
In some optional embodiments of the present application, the hollow fiber membrane detection glue injection device further comprises a glue injection barrel;
the bottom of the glue injection barrel is provided with a glue outlet which is communicated with the glue injection port.
As can be seen from figure 1, the sealant amounts at the two ends are not equal, and the inner diameter of the outer tube of the hollow fiber membrane detection device clamped in the middle is 15mm, the glue injection length is 5mm, and the single sealant amount is about 1 ml. Therefore, the design does not adopt the common method: glue is poured into the glue injection barrel firstly, and then the glue enters the two sides of the detection device through the rubber tube in the same amount through the rotary centrifugal force. And the middle of the glue injection pipe is clamped by a clamp. Two glue injection ports are manufactured at positions close to the middle, and after glue is prepared, the glue amount required by two ends of the glue is injected from the two glue injection ports respectively by using an injector. Then, as shown in FIG. 2, the hollow fiber membrane fixed casing is placed on a rotating disk to be rotated at a high speed around the rotating shaft. The glue is injected into two ends of the sealing glue under the action of centrifugal force, and bubbles in the glue can be discharged under the action of the centrifugal force. By using the centrifugal glue injection method, the glue injection surface is smooth, no air bubbles exist in the glue injection, and the fiber film and the glue are firmly bonded. The glue injection method ensures accurate glue injection amount and controllable glue injection length.
In some optional embodiments of the present application, the glue injection pipe is made of a flexible material; the hollow fiber membrane detection glue injection device also comprises a glue pipe clamp;
the rubber tube clamp is arranged in the middle of the rubber injection tube in a clamping mode, so that rubber liquid entering from the two rubber injection ports can be divided to two ends under the action of centrifugal force.
In some optional embodiments of the present application, the rotating means is a rotating disk.
In some optional embodiments of the present application, the hollow fiber membrane detection and glue injection device further includes a glue injector;
the glue injector is used for injecting quantitative glue from the two glue injection ports respectively.
In some optional embodiments of the present application, the hollow fiber membrane fixing housing comprises: the hollow fiber membrane clamping frame, the first sealing rubber block and the second sealing rubber block;
the hollow fiber membrane clamping frame is used for clamping and fixing the hollow fiber membrane;
the first glue sealing block is detachably connected with one end of the hollow fiber membrane clamping frame;
the second glue sealing block is detachably connected with the other end of the hollow fiber membrane clamping frame;
and a clamping glue injection space formed by the first glue sealing block, the hollow fiber membrane clamping frame and the second glue sealing block is used for accommodating the hollow fiber membrane.
In a second aspect of the embodiments of the present application, a production line for hollow fiber membranes is provided, in which an end sealant device of the hollow fiber membrane detection device according to any one of the embodiments of the first aspect is used to perform end potting on hollow fiber membranes.
In a third aspect of the embodiments of the present application, a production line of a membrane oxygenator is provided, in which an end sealant device of the hollow fiber membrane detection device according to any one of the first aspects is used to inject an end of a hollow fiber membrane.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the present embodiments are not limited to those precise embodiments, which are intended to be illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims.
Claims (9)
1. The utility model provides a hollow fiber membrane detection device's tip molding equipment which characterized in that includes:
the glue injection pipe is in an inverted U shape, and glue injection openings are formed in two sides, close to the central axis, of the glue injection pipe;
the hollow fiber membrane fixing shell is in a hollow columnar shape and used for accommodating and fixing the hollow fiber membrane, one end of the glue injection pipe is communicated with one end of the hollow fiber membrane fixing shell, and the other end of the glue injection pipe is communicated with the other end of the hollow fiber membrane fixing shell;
and the rotating device is connected with the hollow fiber membrane fixing shell and is used for driving the hollow fiber membrane fixing shell to horizontally rotate so that glue liquid entering from the two glue injection ports flows to the two ends of the hollow fiber membrane fixing shell and seals the two ends of the hollow fiber membrane.
2. The end potting device of the hollow fiber membrane detection device of claim 1, wherein the hollow fiber membrane fixing housing comprises: the hollow fiber membrane clamping frame, the first sealing rubber block and the second sealing rubber block;
the hollow fiber membrane clamping frame is used for clamping and fixing the hollow fiber membrane;
the first glue sealing block is detachably connected with one end of the hollow fiber membrane clamping frame;
the second glue sealing block is detachably connected with the other end of the hollow fiber membrane clamping frame;
and the first glue sealing block, the hollow fiber membrane clamping frame and the clamping glue injection space formed by the second glue sealing block are used for accommodating the hollow fiber membrane fixing shell.
3. The end sealing device of the hollow fiber membrane detection device as claimed in claim 1, wherein the hollow fiber membrane detection glue injection device further comprises a pipe joint;
the glue injection pipe is communicated with the inside of the hollow fiber membrane fixing shell through the pipe joint.
4. The end sealing device of the hollow fiber membrane detection device as claimed in claim 1, wherein the hollow fiber membrane detection glue injection device further comprises a syringe;
and the glue outlet of the injector is communicated with the glue injection port.
5. The end sealing device of the hollow fiber membrane detection device according to claim 1, wherein the glue injection pipe is made of a flexible material; the hollow fiber membrane detection glue injection device also comprises a glue pipe clamp;
the rubber tube clamp is arranged in the middle of the rubber injection tube in a clamping mode, so that rubber liquid entering from the two rubber injection ports can be divided to two ends under the action of centrifugal force.
6. The end potting device of the hollow fiber membrane detection device of claim 1, wherein the rotating device is a rotating disc.
7. The end sealing device of the hollow fiber membrane detection device according to claim 1, wherein the hollow fiber membrane detection glue injection device further comprises a glue injector;
the glue injector is used for injecting quantitative glue from the two glue injection ports respectively.
8. A production line of hollow fiber membranes, characterized in that the production line of hollow fiber membranes is used for injecting glue to the end of the hollow fiber membranes by using the end glue sealing device of the hollow fiber membrane detection device of any one of claims 1 to 7.
9. A production line of a membrane oxygenator, wherein the production line of the membrane oxygenator is characterized in that an end glue injection device of the hollow fiber membrane detection device of any one of claims 1 to 7 is used for carrying out end glue injection on the hollow fiber membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220703215.XU CN218340208U (en) | 2022-03-29 | 2022-03-29 | End part glue sealing device of hollow fiber membrane detection device, production line of hollow fiber membrane and production line of membrane oxygenator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220703215.XU CN218340208U (en) | 2022-03-29 | 2022-03-29 | End part glue sealing device of hollow fiber membrane detection device, production line of hollow fiber membrane and production line of membrane oxygenator |
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| CN218340208U true CN218340208U (en) | 2023-01-20 |
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| CN202220703215.XU Active CN218340208U (en) | 2022-03-29 | 2022-03-29 | End part glue sealing device of hollow fiber membrane detection device, production line of hollow fiber membrane and production line of membrane oxygenator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571089A (en) * | 2023-07-13 | 2023-08-11 | 北京航空航天大学 | Artificial membrane lung glue sealing device |
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2022
- 2022-03-29 CN CN202220703215.XU patent/CN218340208U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571089A (en) * | 2023-07-13 | 2023-08-11 | 北京航空航天大学 | Artificial membrane lung glue sealing device |
| CN116571089B (en) * | 2023-07-13 | 2023-09-08 | 北京航空航天大学 | Artificial membrane lung glue sealing device |
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