CN109125833B - Vacuum type silk membrane assembly device - Google Patents
Vacuum type silk membrane assembly device Download PDFInfo
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- CN109125833B CN109125833B CN201811136833.5A CN201811136833A CN109125833B CN 109125833 B CN109125833 B CN 109125833B CN 201811136833 A CN201811136833 A CN 201811136833A CN 109125833 B CN109125833 B CN 109125833B
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- positioning
- push rod
- opening
- filament
- vacuum
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1698—Blood oxygenators with or without heat-exchangers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
- A61M1/1623—Disposition or location of membranes relative to fluids
Abstract
The invention discloses a vacuum type silk film assembling device which comprises a sealing box body, a push rod, a vacuum pump, a cylinder and an air pump, wherein the sealing box body is provided with a gas input port and a push rod penetrating port, the push rod penetrates through the push rod penetrating port, one end of the push rod is positioned in the sealing box body, the push rod is provided with a gas extraction channel, the vacuum pump is connected with the gas extraction channel and is positioned outside the sealing box body, the cylinder is connected with one end of the push rod, which is positioned outside the sealing box body, and the air pump is connected with the gas input port and the cylinder: the vacuum pump extracts gas in the protective bag body through the gas extraction channel, and the gas pump provides gas to the inside of the sealed box body so that pressure difference is formed between the inside of the protective bag body and the outside of the protective bag body to compress the silk film structure.
Description
Technical Field
The invention relates to the technical field of silk film assembly, in particular to a vacuum type silk film assembly device.
Background
The membrane oxygenator mainly comprises a lower cover, an oxygenating part and an upper cover, wherein the lower cover and the upper cover are respectively covered at two ends of the oxygenating part, and a silk membrane structure is arranged in the oxygenating part. The conventional method for assembling the silk membrane structure is to mount the silk membrane structure in a protective bag body, directly push the silk membrane structure mounted in the protective bag body into a partition plate of an oxygenation part in a mechanical mode, and then pull out the protective bag. Generally, the diameter of the silk membrane structure is larger than that of the partition plate, and the silk membrane structure must be compressed to make the diameter of the silk membrane structure smaller than that of the partition plate so as to push the silk membrane structure into the partition plate, but the silk membrane structure is compressed by directly extruding the silk membrane structure by using manual work or rigid elements, so that the hollow fibers of the silk membrane structure are easily damaged.
Disclosure of Invention
The invention provides a vacuum type filament membrane assembling device, which aims to solve the problem of hollow damage of a filament membrane structure caused by extruding the filament membrane structure by using a rigid element.
In order to solve the technical problem, the invention is realized as follows:
the utility model provides a vacuum type silk membrane assembly device, it is including sealed box, push rod, vacuum pump, cylinder and air pump, and sealed box has gas input port and push rod and wears to establish the mouth, and the push rod wears to locate the mouth is worn to establish by the push rod, and its one end is located sealed box, and the push rod has gaseous extraction passageway, vacuum pump connection the gaseous extraction passageway to outside being located sealed box, the cylinder is connected the push rod is located the outer one end of sealed box, and gas input port and cylinder are connected to the air pump: the vacuum pump extracts gas in the protective bag body through the gas extraction channel, and the gas pump provides gas to the inside of the sealed box body so that pressure difference is formed between the inside of the protective bag body and the outside of the protective bag body to compress the silk film structure. Simultaneously, the material of the slurcam of adoption is flexible material, and it can adapt to the fine unevenness's of silk membrane structure terminal surface automatically, realizes laminating with the hollow fiber terminal surface of silk membrane structure is automatic, and then reduces the slurcam and construct the damage of promoting the in-process to the silk membrane knot.
In the embodiment of the invention, the pressure difference is formed by controlling the air pressure inside the protective bag body provided with the silk film structure and the air pressure outside the protective bag body, so that the silk film structure arranged in the protective bag body is flexibly compressed, the diameter of the compressed silk film structure is smaller than or equal to the inner diameter of the partition plate, and the silk film structure is further arranged in the partition plate; through the pushing plate made of flexible materials, the end face of the silk membrane structure unevenness can be automatically adapted in the process of pushing the silk membrane structure, and then the damage of the device to the silk membrane structure is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a vacuum type filament-film assembling apparatus according to an embodiment of the present invention.
Fig. 2 is a diagram illustrating a usage state of the vacuum filament-film assembly apparatus according to an embodiment of the present invention.
FIG. 3 is another diagram of the vacuum type filament-film assembling apparatus according to an embodiment of the present invention.
Fig. 4 is a schematic view of the protective bag body taken out according to an embodiment of the present invention.
Fig. 5 is another schematic view of the protective pouch according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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 invention.
Please refer to fig. 1, which is a schematic diagram of a vacuum filament-film assembly apparatus according to an embodiment of the present invention; as shown in the figure, this embodiment provides a vacuum type silk membrane assembly device 1, and the vacuum type silk membrane assembly device 1 of this embodiment mainly makes the inside and outside atmospheric pressure of the protective bag body that is equipped with the silk membrane structure have certain pressure differential through the size of the inside and outside atmospheric pressure of control, reaches flexible compression silk membrane structure, avoids the silk membrane structure to take place to damage in compression process. The vacuum type filament membrane assembling device 1 of this embodiment includes a sealed box 10, a push rod 11, a vacuum pump 12, a cylinder 13 and an air pump 14, the sealed box 10 has a gas input port 101 and a push rod penetrating port 102, the push rod 11 penetrates the push rod penetrating port 102, one end of the push rod 11 in the sealed box 10 has a push plate 111, the push plate 111 has a first gas outlet 112, one end of the push rod 11 outside the sealed box 10 has a second gas outlet 113, and a gas extraction channel 114 communicating the first gas outlet 112 and the second gas outlet 113 is provided in the push rod 11. The vacuum pump 12 is connected to the second gas exhaust port 113 and is located outside the hermetic container 10. The piston rod 131 of the cylinder 13 is connected to one end of the push rod 11 outside the sealed box 10, and the air pump 14 is connected to the gas inlet 101 and the cylinder 13.
Fig. 2 to 5 are a schematic view showing a usage state of the vacuum filament-film assembly device and a schematic view of the protective bag taken out according to an embodiment of the present invention; as shown in the figure, the sealed box 10 is opened first, the partition board 2 is placed in the sealed box 10, the partition board 2 is a cylinder, and both ends of the partition board 2 are provided with accommodating holes 21. Meanwhile, the opening of the protective bag body 4 with the silk film structure 3 is sleeved on the pushing plate 111 of the push rod 11, in other words, the pushing plate 111 is positioned in the protective bag body 4 and is abutted against one end of the silk film structure 3, and the opening of the protective bag body 4 is tightened through a tightening member such as a rubber band, a tightening belt or an adhesive tape and fixed on the push rod 11. Then the opening of the protective bag body 4 is tightened on the push rod 11, the diameter of the push plate 111 is larger than that of the push rod 11, so that the push plate 111 clamps the protective bag body 4, and the protective bag body 4 is not easy to be separated from the push rod 11.
After the above steps are completed, the sealed box 10 is closed, then the vacuum pump 12 is turned on, and the vacuum pump 12 pumps the gas in the protective bag 4 through the second gas pumping-out port 113, the gas pumping-out passage 114 and the first gas pumping-out port 112, so that the state in the protective bag 4 is vacuum negative pressure. The air pump 14 supplies air into the sealed box body 10 through the air inlet 101, so that the air pressure in the sealed box body 10 is positive pressure, namely the air pressure outside the protective bag body 4 is positive pressure, and thus when the interior of the protective bag body 4 is negative pressure, the protective bag body 4 firstly compresses the volume of the silk film structure 3 in the protective bag body 4; when the outside of the protective bag body 4 is in positive pressure, the volume of the silk film structure 3 arranged in the protective bag body 4 is compressed again, so that the diameter of the silk film structure 3 arranged in the protective bag body 4 is smaller than the diameter of the containing hole 21 of the clapboard 2, namely, the inner diameter of the clapboard 2. Finally, the air pump 14 inputs air into the air cylinder 13 to push the piston rod 131, the piston rod 131 pushes the push rod 11, and the push rod 11 pushes the silk film structure 3 arranged in the protective bag 4 into the partition board 2. After the filament membrane structure 3 is mounted on the partition board 2, the operation of the vacuum pump 12 and the air pump 14 is stopped, and then the sealed box 10 is opened to take out the partition board 2 mounted with the filament membrane structure 3. At this moment, a protective bag body 4 is further arranged between the partition plate 2 and the silk film structure 3, and the original compressed silk film structure 3 is expanded outwards from the partition plate 2 because the air pressure in the protective bag body 4 is recovered to the normal pressure. When the protective bag 4 is to be taken out from between the partition board 2 and the silk film structure 3, one end of the protective bag 4 opposite to the opening is pulled out and cut off, and the cut-off is cut off along a dotted line in the figure. And then pulling the cut end of the protective bag body 4 to pull out the protective bag body 4 from between the clapboard 2 and the silk film structure 3.
Referring to fig. 1 and 2 again, in order to maintain the air pressure in the sealed box 1, a sealing member 15 is disposed on a side wall of the push rod insertion hole 102, and the sealing member 15 fills a gap between the push rod insertion hole 102 and the push rod 11, thereby effectively preventing the air in the sealed box 10 from flowing out from the gap between the push rod insertion hole 102 and the push rod 11 and maintaining the air pressure in the sealed box 10. The sealing member 15 is an O-ring. In order to uniformly push the silk film structure 3 to move into the partition board 2, the surface shape of the push plate 111 contacting the silk film structure 3 conforms to the surface shape of the silk film structure 3 contacting the push plate 111, for example, the silk film structure 3 is cylindrical, and the surface shape of the silk film structure 3 contacting the push plate 111 is circular, so the shape of the push plate 111 contacting the silk film structure 3 is circular.
Further, the filament membrane structure 3 formed by winding the hollow fibers has a length deviation inevitably during the winding process, so that the end surface of the filament membrane structure 3 contacting the pushing plate 111 has fine unevenness, the vacuum type filament membrane assembly device 1 of the present embodiment adopts the pushing plate 111 made of a flexible material (such as a silica gel material conforming to medical biocompatibility), and can automatically deform according to the concave-convex shape of the end surface of the stressed filament membrane structure 3, so that the pushing plate 111 can automatically attach to the end surface of the hollow fibers of the filament membrane structure 3, and the problem that the pushing plate 111 only applies force to the hollow fibers protruding from the filament membrane structure 3 during the pushing process, and further the hollow fibers protruding from the filament membrane structure 3 extrude and rub the hollow fibers recessed from the hollow fibers, so that the hollow fibers on the filament membrane structure 3 are damaged is solved.
Referring to fig. 1 and 2 again, the vacuum filament film assembly apparatus 1 of the present embodiment further includes a partition positioning fixture 16 and a filament film positioning fixture 17, the partition positioning fixture 16 and the filament film positioning fixture 17 are disposed in the sealed box 10, the filament film positioning fixture 17 is connected to one side of the partition positioning fixture 16, when the vacuum filament film assembly apparatus 1 of the present embodiment is used, the partition 2 is disposed on the partition positioning fixture 16, and the partition positioning fixture 16 fixes the partition 2. The silk film structure 3 arranged in the protective bag body 4 is positioned and guided by the silk film positioning clamp 17.
The partition positioning fixture 16 of the present embodiment includes a positioning base 161, the positioning base 161 has a positioning protrusion 162, and the height of the positioning protrusion 162 protruding from the positioning base 161 is smaller than or equal to the thickness of the partition 2, so that the positioning protrusion is not blocked by the receiving hole 21 of the partition 2, so as to affect the installation of the filament membrane structure 3. The positioning protrusion 162 divides the positioning base 161 into a first positioning region 161a and a second positioning region 161b, the length of the positioning base 161 located in the first positioning region 161a is equal to the length of the separator 2, when the separator 2 is set in the separator positioning jig 16, one end of the separator 2 abuts against the positioning protrusion 162, and the end face of the separator 2 opposite to the positioning protrusion 162 is aligned with the end face of the positioning base 161 located in the first positioning region 161 a. The positioning base 161 is further provided with a stop protrusion 163, the stop protrusion 163 is located in the second positioning region 161b, the height of the stop protrusion 163 protruding from the positioning base 161 is greater than the thickness of the partition board 2, when the filament-film structure 3 is continuously pushed by the push rod 11 to move toward the partition board 2, the end face of the filament-film structure 3 relative to the push rod 11 contacts the stop protrusion 163, and the stop protrusion 163 stops the continuous movement of the filament-film structure 3, so as to prevent the filament-film structure 3 from separating from the partition board 2 or from being unable to be disposed at a predetermined position of the partition board 2.
The filament film positioning jig 17 includes a positioning opening 171, and one end of the filament film positioning jig 17 having the positioning opening 171 abuts against an end surface of the positioning base 161 located in the first positioning region 161a, the end surface being opposite to the positioning projection 162. The positioning opening 171 corresponds to the accommodation hole 21 of the partition plate 2 provided in the first positioning region 161 a. The positioning opening 171 has a tapered cross section, and has a first opening 171a and a second opening 171b, the first opening 171a is adjacent to the partition positioning jig 16, the second opening 171b is distant from the partition positioning jig 16, the diameter of the second opening 171b is larger than that of the first opening 171a, the diameter of the first opening 171a is equal to that of the accommodation hole 21 of the partition 2, and the first opening 171a and the second opening 171b are connected by an inclined surface. When the filament-film structure 3 is disposed on the filament-film positioning fixture 17, the filament-film structure 3 is slowly pushed from the second opening 171b to the first opening 171a by the push rod 11, the inclined surface between the first opening 171a and the second opening 171b guides the filament-film structure 3 to move toward the partition plate 2 disposed on the partition-plate positioning fixture 16, and the diameter of one end of the filament-film structure 3, which enters the partition plate 2 first, is reduced by the inclined surface, so that the filament-film structure 3 easily enters the accommodating hole 21 of the partition plate 2.
In the present embodiment, pressure regulating valves 18 are respectively provided between the air pump 14 and the gas inlet 101 and between the air pump 14 and the air cylinder 13, the pressure regulating valve 18 provided between the air pump 14 and the gas inlet 101 controls the gas pressure input to the gas inlet 101 of the air pump 14, and the pressure regulating valve 18 provided between the air pump 14 and the air cylinder 13 controls the gas pressure input to the air cylinder 13 and controls the pushing speed of the piston rod 131.
The vacuum pump 12 and the air pump 14 of the present embodiment can be turned on or off manually, or can be turned on or off by a PLC controller or other controllers, which is a conventional means in the art and will not be described herein again.
In summary, the present invention provides a vacuum type filament-membrane assembly device and a method for using the same, wherein the vacuum type filament-membrane assembly device flexibly compresses a filament-membrane structure contained in a protective bag body by controlling a pressure difference between an internal pressure of the protective bag body and an external pressure of the protective bag body, so that a diameter of the compressed filament-membrane structure is smaller than or equal to an inner diameter of a partition plate, and the filament-membrane structure is further installed in the partition plate.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A vacuum type silk film assembling device is characterized by comprising a sealing box body, a push rod, a vacuum pump, a cylinder, an air pump, a partition plate positioning clamp and a silk film positioning clamp, wherein the sealing box body is provided with a gas inlet and a push rod penetrating port; the partition plate positioning clamp and the silk film positioning clamp are arranged in the sealing box body, and the silk film positioning clamp is arranged between the partition plate positioning clamp and the push rod.
2. The vacuum filament film assembly device according to claim 1, wherein the push rod has a push plate at an end thereof located inside the sealed box, the push plate has a first gas extraction hole, the push rod has a second gas extraction hole at an end thereof located outside the sealed box, and the gas extraction channel communicates the first gas extraction hole and the second gas extraction hole.
3. The vacuum type silk film assembling device of claim 2, wherein the pushing plate is made of flexible material.
4. The vacuum filament-film assembly device according to claim 1, wherein a sealing member is disposed on a sidewall of the push rod through hole, and the sealing member seals a gap between the push rod through hole and the push rod.
5. The vacuum filament film assembly device according to claim 1, wherein the partition positioning fixture comprises a positioning base having a positioning protrusion separating the positioning base into a first positioning region and a second positioning region, wherein an end surface of the positioning base located in the first positioning region abuts against the filament film positioning fixture; the silk membrane positioning fixture comprises a positioning opening, and one end of the silk membrane positioning fixture, which is provided with the positioning opening, is abutted to the end face of the positioning base in the first positioning area.
6. The vacuum filament film assembly device of claim 5, wherein the first positioning region has a length equal to a length of the partition; the height of the positioning convex part protruding from the positioning base is smaller than or equal to the thickness of the partition plate; the positioning base is provided with a stop convex part which is positioned in the second positioning area; the height of the stop convex part protruding from the positioning base is larger than the thickness of the partition plate.
7. The vacuum filament film assembly device of claim 5, wherein the positioning opening has a first opening, a second opening, and a bevel connecting the first opening and the second opening, the first opening is adjacent to the spacer positioning fixture, the second opening is remote from the spacer positioning fixture, the second opening has a diameter greater than the first opening, and the first opening has a diameter equal to a diameter of a receiving hole of a spacer.
8. The vacuum filament membrane assembly device according to claim 1, wherein pressure regulating valves are respectively disposed between the air pump and the gas input port and between the air pump and the air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811136833.5A CN109125833B (en) | 2018-09-28 | 2018-09-28 | Vacuum type silk membrane assembly device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811136833.5A CN109125833B (en) | 2018-09-28 | 2018-09-28 | Vacuum type silk membrane assembly device |
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| Publication Number | Publication Date |
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| CN109125833A CN109125833A (en) | 2019-01-04 |
| CN109125833B true CN109125833B (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811136833.5A Active CN109125833B (en) | 2018-09-28 | 2018-09-28 | Vacuum type silk membrane assembly device |
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| CN (1) | CN109125833B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5634892A (en) * | 1995-02-23 | 1997-06-03 | Whalen; Robert L. | Extracorporeal membrane oxygenator |
| CN1496754A (en) * | 2002-10-16 | 2004-05-19 | ������������ʽ���� | Hollow cortina component |
| CN101663083A (en) * | 2007-05-22 | 2010-03-03 | 旭化成化学株式会社 | Hollow fiber membrane module, process for manufacturing the same, hollow fiber membrane module assembly and method of purifying suspended water with use thereof |
| CN103007765A (en) * | 2012-12-25 | 2013-04-03 | 西安建筑科技大学 | Filling and sealing system and method of hollow fiber membrane modules |
| CN204660099U (en) * | 2015-04-21 | 2015-09-23 | 北京大森长空包装机械有限公司 | Wrapping machine is with taking out inflation and sealing-in integrated device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2145674B1 (en) * | 2000-12-18 | 2012-02-15 | Mitsubishi Rayon Co., Ltd. | Hollow fiber membrane module and method of manufacturing the same |
| CN201543015U (en) * | 2009-12-18 | 2010-08-11 | 江苏朗生生命科技有限公司 | Automatic shell installing device of film silk |
| US8685319B2 (en) * | 2011-04-29 | 2014-04-01 | Medtronic, Inc. | Combination oxygenator and arterial filter device with a fiber bundle of continuously wound hollow fibers for treating blood in an extracorporeal blood circuit |
| CN105510184A (en) * | 2014-09-23 | 2016-04-20 | 天津思达瑞工贸有限公司 | Polymer plastic melt flowing rate meter |
| CN107638601B (en) * | 2017-09-12 | 2020-08-14 | 东莞科威医疗器械有限公司 | Silk membrane structure and membrane oxygenator |
-
2018
- 2018-09-28 CN CN201811136833.5A patent/CN109125833B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5634892A (en) * | 1995-02-23 | 1997-06-03 | Whalen; Robert L. | Extracorporeal membrane oxygenator |
| CN1496754A (en) * | 2002-10-16 | 2004-05-19 | ������������ʽ���� | Hollow cortina component |
| CN101663083A (en) * | 2007-05-22 | 2010-03-03 | 旭化成化学株式会社 | Hollow fiber membrane module, process for manufacturing the same, hollow fiber membrane module assembly and method of purifying suspended water with use thereof |
| CN103007765A (en) * | 2012-12-25 | 2013-04-03 | 西安建筑科技大学 | Filling and sealing system and method of hollow fiber membrane modules |
| CN204660099U (en) * | 2015-04-21 | 2015-09-23 | 北京大森长空包装机械有限公司 | Wrapping machine is with taking out inflation and sealing-in integrated device |
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| CN109125833A (en) | 2019-01-04 |
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