CN112808012A - Automatic sintering plugging equipment of medical hollow fiber membrane filter - Google Patents
Automatic sintering plugging equipment of medical hollow fiber membrane filter Download PDFInfo
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- CN112808012A CN112808012A CN202011506346.0A CN202011506346A CN112808012A CN 112808012 A CN112808012 A CN 112808012A CN 202011506346 A CN202011506346 A CN 202011506346A CN 112808012 A CN112808012 A CN 112808012A
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- sintering
- hollow fiber
- fiber membrane
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- membrane filter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses automatic sintering and plugging equipment for a medical hollow fiber membrane filter, which comprises a machine body, a clamping mechanism and a sintering mechanism, wherein the sintering mechanism comprises a rotating disk and a sintering head, the sintering mechanism is arranged on the machine body, the rotating disk is fixed on the machine body and is of a hollow structure, a sintering guide rod of the sintering head penetrates through the rotating disk to enable the sintering head to be located in the middle of the rotating disk, the other end of the sintering guide rod is connected with a displacement mechanism, the clamping mechanism is located in front of a working surface of the sintering head, the whole sintering process is changed into non-contact plugging by arranging the rotating disk and a telescopic infrared sintering head, hollow fiber membrane wires are heated more uniformly by rotation, ignition and smoke generation are avoided, and meanwhile, a better plugging effect is achieved.
Description
Technical Field
The invention belongs to the technical field of medical appliance manufacturing, and particularly relates to automatic sintering plugging equipment for a medical hollow fiber membrane filter.
Background
The medical hollow fiber membrane filter is widely applied clinically. A medical hollow fiber membrane filter such as a hemodialyzer, a filter, an endotoxin filter and the like is a core medical appliance for hemodialysis treatment, and in the manufacturing process of the medical hollow fiber membrane filter, a hollow fiber membrane is required to be arranged in a filter shell, then a protective film of the hollow fiber membrane is pulled out again, the end face of a membrane wire is blocked, sealing glue is injected into two ends of the membrane wire, a membrane bundle is fixed in the filter, and a gap between the bundle and a filter shell is blocked. After the sealing glue is solidified, the redundant and uneven glue surfaces at two ends are cut through a head cutting process, and the port of the membrane bundle is simultaneously cut to expose the port, so that two cavities which are independent from each other inside and outside the membrane are formed, in the treatment process, blood flows through the inside of the membrane, dialysate flows through the outside of the membrane, and medium and small molecular substances perform transmembrane movement to exchange, so that the treatment purpose is achieved.
The inventor finds that the membrane silk plugging prior art at least has the following technical problems in the actual use process:
1. the position between the sintering head of the existing equipment and the hollow fiber membrane is fixed, the condition of uneven heating is easily caused to the fiber membrane, and the hollow fiber membrane has the risk of melting.
2. The sintering head of the existing equipment is in direct contact with the hollow fiber membrane, so that open fire and smoke dust are easily generated.
3. The plugging effect of the existing equipment is not ideal enough, loose membrane filaments are easy to occur, the quantity of the loose membrane filaments is large, and the membrane filaments exceed the sealing ring to cause product scrapping.
Disclosure of Invention
In order to overcome the defects, the inventor of the invention continuously reforms and innovates through long-term exploration and trial and multiple experiments and endeavors, and provides the automatic sintering plugging equipment for the medical hollow fiber membrane filter.
In order to achieve the purpose, the invention adopts the technical scheme that: provides an automatic sintering plugging device for a medical hollow fiber membrane filter. The sintering mechanism comprises a rotating disk and a sintering head, the sintering mechanism is arranged on the machine body, the rotating disk is fixed on the machine body and is of a hollow structure, a sintering guide rod of the sintering head penetrates through the rotating disk to enable the sintering head to be located in the middle of the rotating disk, the other end of the sintering guide rod is connected with a displacement mechanism, and the clamping mechanism is located in front of a working face of the sintering head.
According to the automatic sintering and plugging equipment for the medical hollow fiber membrane filter, the further preferable technical scheme is as follows: the rotary disc comprises a servo motor, a transmission shaft and rotary discs, the servo motor is arranged below the machine body and is connected with the transmission shaft through a synchronous belt, and the transmission shaft is transversely arranged at two ends of the transmission shaft at the lower part of the machine body and is correspondingly connected with the rotary discs at the left side and the right side through the synchronous belt.
According to the automatic sintering and plugging equipment for the medical hollow fiber membrane filter, the further preferable technical scheme is as follows: the displacement mechanism adopts a screw rod structure, the sintering guide rod is fixed on a sintering guide rod supporting seat, a nut and a screw rod are installed on the sintering guide rod supporting seat, the screw rod is connected with a sintering head motor, and the motor is arranged on a bearing platform outside the machine body.
According to the automatic sintering and plugging equipment for the medical hollow fiber membrane filter, the further preferable technical scheme is as follows: fixture includes membrane silk fixation clamp and casing fixation clamp, and membrane silk fixation clamp and casing fixation clamp constitute by two arc structures, and one half casing fixation clamp all installs the one side at the gas claw cylinder through the mounting panel with one half membrane silk fixation clamp.
According to the automatic sintering and plugging equipment for the medical hollow fiber membrane filter, the further preferable technical scheme is as follows: the membrane silk fixation clamp and the shell fixation clamp are arranged in an overlapping mode, the membrane silk fixation clamp corresponds to the position of the membrane silk, and the shell fixation clamp corresponds to the positions of the edges of the two sides of the shell.
According to the automatic sintering and plugging equipment for the medical hollow fiber membrane filter, the further preferable technical scheme is as follows: the membrane silk preliminary fixing mechanism comprises a telescopic cylinder and clamping pieces, the clamping pieces are fixed on the cylinder, the cylinder and the clamping pieces are respectively arranged at the upper position and the lower position of the machine body, and the two clamping pieces are folded to form a circular notch in the middle.
According to the automatic sintering and plugging equipment for the medical hollow fiber membrane filter, the further preferable technical scheme is as follows: the two clamping pieces are folded to form a round gap in the middle part, which is smaller than the outer diameter of the membrane silk bundle.
According to the automatic sintering and plugging equipment for the medical hollow fiber membrane filter, the further preferable technical scheme is as follows: the membrane silk preliminary fixing mechanism is fixed on the upper portion and the lower portion of the machine body and is arranged at an angle of 90 degrees with the clamping mechanism.
According to the automatic sintering and plugging equipment for the medical hollow fiber membrane filter, the further preferable technical scheme is as follows: it still includes thermal-insulated mechanism, and thermal-insulated mechanism is located the preliminary fixed establishment next door of membrane silk on the organism, and thermal-insulated mechanism includes thermal-insulated cylinder and separation blade, and the separation blade is fixed on thermal-insulated cylinder, and the separation blade is located between the preliminary fixed equipment of membrane silk and the sintering head, has arranged the gas pocket of ventilating on the separation blade.
According to the automatic sintering and plugging equipment for the medical hollow fiber membrane filter, the further preferable technical scheme is as follows: the sintering head is a far infrared sintering head, and a heat insulation outer cover is arranged at the joint of the sintering head and the sintering guide rod.
Compared with the prior art, the technical scheme of the invention has the following advantages/beneficial effects:
1. the rotary disc is arranged to drive the hollow fiber membrane to be plugged to rotate, the temperature of the sintering surface is more uniform, the plugging effect is good, and the situation of overheating and melting is not easy to generate.
2. The sintering head with far infrared is adopted, and the non-contact arrangement of the sintering head and the hollow fiber membrane can avoid the generation of uneven heating, over-high temperature generation of naked flame, smoke dust and the like.
3. The plugging effect is good, and the plugging rate and the silk scattering rate can reach 99.95 percent and are better than 99.9 percent of the existing plugging equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an automatic sintering and plugging device for a medical hollow fiber membrane filter according to the present invention.
Fig. 2 is a partially enlarged view at B in fig. 1.
Fig. 3 is a front view of an automatic sintering and plugging device for a medical hollow fiber membrane filter according to the present invention.
Fig. 4 is a top view of an automatic sintering and plugging device for a medical hollow fiber membrane filter according to the present invention.
Fig. 5 is a cross-sectional view a-a of fig. 4.
Fig. 6 is a partially enlarged view of a portion a in fig. 5.
Fig. 7 is a top view of a telescopic mechanism of a sintering head of the automatic sintering and plugging device for the medical hollow fiber membrane filter.
Fig. 8 is a sectional view at B-B in fig. 7.
Fig. 9 is a schematic view of an installation structure of the automatic sintering plugging device and the conveying line of the medical hollow fiber membrane filter according to the invention.
The labels in the figure are respectively: 1. the machine body 2, the clamping mechanism 201, the membrane wire fixing clamp 202, the shell fixing clamp 203, the air claw cylinder 3, the rotating disc 301, the servo motor 302, the transmission shaft 303, the rotating disc 304, the synchronous belt 4, the sintering head 401, the displacement mechanism 402, the sintering guide rod 403, the sintering guide rod supporting seat 404, the screw rod 405, the sintering head motor 406, the bearing table 5, the membrane wire primary fixing mechanism 501, the telescopic cylinder 502, the clamping piece 6, the hollow fiber pipe 7, the conveying line 701, the lifting mechanism 8, the heat insulation mechanism 801, the heat insulation cylinder 802 and the blocking piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
Example (b):
as shown in fig. 1, an automatic sintering plugging device of medical hollow fiber membrane filter, it includes organism 1, fixture 2, sintering mechanism, the preliminary fixed establishment of membrane silk 5, sintering mechanism includes rotary disk 3 and sintering head 4, two sintering mechanism arrange both sides about organism 1, rotary disk 3 is fixed on organism 1, sintering guide 402 of sintering head 4 passes rotary disk 3 and makes sintering head 4 be located rotary disk 3 intermediate position, rotary disk 3 and sintering head 4 autonomous working, the working face of sintering head 4 is inside towards organism 1, fixture 2 is located sintering head 4's working face the place ahead, the preliminary fixed establishment of membrane silk 5 is fixed on organism 1. And the sintering mechanisms on the left side and the right side are symmetrically arranged, and the rotating disk 3, the sintering head 4, the clamping mechanism 2, the membrane silk primary fixing mechanism 5 and the heat insulation mechanism 8 on the left side and the right side synchronously act.
The rotating disc 3 comprises a servo motor 301, a transmission shaft 302 and rotating discs 303, the servo motor 301 is arranged below the machine body, the servo motor 301 is connected with the transmission shaft 302 through a synchronous belt 304, and the transmission shaft 302 is transversely arranged at two ends of the transmission shaft 302 at the lower part of the machine body and correspondingly connected with the rotating discs 303 at the left side and the right side through the synchronous belt 304. Only one servo motor 301 is arranged, the transmission shaft 302 is connected with the servo motor 301, the transmission shaft 302 realizes the synchronization of the rotating speeds of the rotating discs 3 on two sides, and the clamping shell can be prevented from being distorted and damaged when rotating.
The sintering head 4 is connected with a displacement mechanism 401, the displacement mechanism 401 adopts a screw 404 structure, a sintering guide rod 402 is fixed on a sintering guide rod support seat 403, a nut and a screw 404 are installed on the sintering guide rod support seat 403, the screw 404 is connected with a sintering head motor 405, and the motor is arranged on a bearing table 406 outside the machine body 1. When the sintering head motor 405 works, the screw rod 404 is driven to rotate, and the screw rod 404 is matched with the nut on the sintering guide rod supporting seat 403 on the sintering guide rod 402 to realize displacement. The displacement mechanism 401 is illustrated with a screw 404 mechanism, but other arrangements are also possible. The displacement mechanism 401 is arranged to enable the sintering head 4 to be close to the hollow fiber membrane wires after the hollow fiber membrane to be packaged starts to rotate, so that the temperature of the surface of the membrane wires is higher, the rapid plugging is realized, meanwhile, the rotation of the rotating disk 3 is matched, and the membrane wires cannot be heated unevenly while the rapid plugging is realized. Meanwhile, the distance of the sintering head and the sintering time can be set according to production requirements.
The primary membrane filament fixing mechanism 5 comprises a telescopic cylinder 501 and clamping pieces 502, the clamping pieces 502 are fixed on the cylinder, the upper position and the lower position of the machine body 1 are respectively provided with the cylinder and the clamping pieces 502, and the two clamping pieces 502 are folded to form a circular gap in the middle. The membrane silk preliminary fixing mechanism 5 is fixed above and below the machine body 1, and does not interfere with the clamping mechanism 2 during working.
The two clips 502 are folded to form a circular gap in the middle that is smaller than the outer diameter of the membrane tuft.
The heat insulation mechanism 8 is further arranged beside the membrane filament primary fixing mechanism 5 above the machine body, the heat insulation mechanism 8 comprises a heat insulation cylinder 801 and a baffle plate 802, and air vents are arranged on the baffle plate 802, so that after the rotating disc stops rotating, the heat insulation cylinder 801 operates to enable the baffle plate 802 to extend out, the sintering head 4 is separated from the hollow fiber tube, and meanwhile, the baffle plate 802 is blown to cool. The temperature of the membrane filament primary fixing device is also reduced when a product to be sintered of the hollow fiber tube 6 is taken and placed, and the membrane filament primary fixing mechanism 5 is prevented from being damaged by overhigh temperature caused by roasting of a sintering head when the membrane filament is clamped.
When the hollow fiber tube 6 to be sintered is placed on the processing station and taken away from the processed hollow fiber tube, the operation can be performed manually, and a special production line or a robot arm can be arranged to realize the feeding and discharging functions.
As shown in fig. 9, the automatic sintering and plugging device for a hollow fiber membrane filter is used in conjunction with the conveyor line 7, and a lifting mechanism 701 is provided on the conveyor line 7 for lifting and lowering the hollow fiber tube, thereby realizing complete automated production.
The sintering head 4 is a far infrared sintering head, a heat insulation outer cover is arranged at the joint of the sintering head 4 and the sintering guide rod 402, the far infrared sintering can realize a non-contact high-temperature environment, the non-contact sintering is realized, meanwhile, the heat insulation outer cover is used for concentrating heat, the excessive heat emitted is prevented from roasting other places of the equipment, and the efficient utilization of energy is also realized.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. The utility model provides an automatic sintering shutoff equipment of medical hollow fiber membrane filter which characterized in that, it includes organism, fixture, sintering mechanism includes rotary disk and sintering head, and sintering mechanism arranges on the organism, and the rotary disk is fixed on the organism, and hollow structure, sintering head's sintering guide arm passes the rotary disk and makes sintering head be located the rotary disk intermediate position, and sintering guide arm other end connection displacement mechanism, fixture are located sintering head's working face the place ahead.
2. The automatic sintering plugging device for the medical hollow fiber membrane filter as claimed in claim 1, wherein the rotating disc comprises a servo motor, a transmission shaft and a rotating disc, the servo motor is arranged under the body, the servo motor is connected with the transmission shaft through a synchronous belt, the transmission shaft is transversely arranged at two ends of the transmission shaft at the lower part of the body and is correspondingly connected with the rotating discs at the left side and the right side through the synchronous belt respectively.
3. The automatic sintering plugging device for the medical hollow fiber membrane filter as claimed in claim 1, wherein the sintering guide rod of the sintering head is connected with a displacement mechanism, the displacement mechanism is in a screw rod structure, the sintering guide rod is fixed on a sintering guide rod support seat, a screw rod and a nut are mounted on the sintering guide rod support seat, the screw rod is connected with a sintering head motor, and the motor is arranged on a receiving platform outside the machine body.
4. The automatic sintering and plugging device for the medical hollow fiber membrane filter as claimed in claim 1, wherein the clamping mechanism comprises a membrane wire fixing clamp and a housing fixing clamp, both the membrane wire fixing clamp and the housing fixing clamp are composed of two arc structures, and one half of the housing fixing clamp and one half of the membrane wire fixing clamp are both mounted on one side of the air claw cylinder through mounting plates.
5. The automatic sintering plugging device for the medical hollow fiber membrane filter as claimed in claim 4, wherein the membrane filament fixing clips are overlapped with the housing fixing clips, the membrane filament fixing clips correspond to the positions of the membrane filaments, and the housing fixing clips correspond to the positions of the two side edges of the housing.
6. The automatic sintering plugging device for the medical hollow fiber membrane filter as claimed in claim 1, further comprising a membrane filament primary fixing mechanism fixed on the body, wherein the membrane filament primary fixing mechanism comprises a telescopic cylinder and clamping pieces, the clamping pieces are fixed on the cylinder, a cylinder and a clamping piece are respectively arranged at the upper and lower positions of the body, and the two clamping pieces are folded to form a circular gap in the middle.
7. The automatic sintering plugging device for the medical hollow fiber membrane filter as claimed in claim 6, wherein the circular gap formed by the two clips is smaller than the outer diameter of the membrane filament bundle.
8. The automatic sintering plugging device for the medical hollow fiber membrane filter as claimed in claim 6, wherein the membrane filament primary fixing mechanisms are fixed at the upper and lower parts of the body and arranged at 90 ° to the clamping mechanism.
9. The automatic sintering and plugging device for the medical hollow fiber membrane filter as claimed in claim 1, further comprising a heat insulation mechanism, wherein the heat insulation mechanism is located beside the preliminary membrane filament fixing mechanism on the body, the heat insulation mechanism comprises a heat insulation cylinder and a baffle, the baffle is fixed on the heat insulation cylinder, the baffle is located between the preliminary membrane filament fixing device and the sintering head, and a ventilation hole is arranged on the baffle.
10. The automatic sintering plugging device for the medical hollow fiber membrane filter as claimed in claim 1, wherein the sintering head is a far infrared sintering head, and a heat insulation cover is arranged at the joint of the sintering head and the sintering guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011506346.0A CN112808012B (en) | 2020-12-18 | 2020-12-18 | Automatic sintering plugging equipment of medical hollow fiber membrane filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011506346.0A CN112808012B (en) | 2020-12-18 | 2020-12-18 | Automatic sintering plugging equipment of medical hollow fiber membrane filter |
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| CN112808012A true CN112808012A (en) | 2021-05-18 |
| CN112808012B CN112808012B (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011506346.0A Active CN112808012B (en) | 2020-12-18 | 2020-12-18 | Automatic sintering plugging equipment of medical hollow fiber membrane filter |
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