A full-automatic hemodialysis membrane spinning raw material feeding device

By designing an anti-clogging mechanism and a micron-level stainless steel filter screen, the fully automatic hemodialysis membrane spinning raw material feeding device solves the problems of clogging in the suction machine and difficulty in cleaning the filter screen, achieving efficient feeding and low pollution.

CN224358387UActive Publication Date: 2026-06-16SUZHOU JUN KANG MEDICAL TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU JUN KANG MEDICAL TECH
Filing Date
2025-06-10
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

In existing technologies, the feeding machine is prone to clogging during the raw material feeding process of hemodialysis membrane spinning, and the PVP after absorbing moisture is difficult to clean, resulting in a high risk of contamination in the next batch.

Method used

A fully automated hemodialysis membrane spinning raw material feeding device was designed, which adopts an anti-clogging mechanism and a micron-level stainless steel filter. The device avoids clogging through a dredging groove and a fan blade structure, and the filter can be easily replaced through a stainless steel suction head and threaded tube design, achieving rapid cleaning.

🎯Benefits of technology

It effectively reduces clogging during the feeding process, improves feeding efficiency, reduces the hassle of cleaning the filter screen, and reduces the risk of contamination in the next batch.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a full -automatic hemodialysis membrane spinning raw material feeding device relates to hemodialysis membrane spinning processing field, include: discharge support frame, the top of discharge support frame is provided with anti -blocking mechanism, the anti -blocking mechanism includes dredging frame, dredging groove, drive motor, rotary rod and fan blade, the top of anti -blocking mechanism is provided with hopper, one side of hopper is fixedly connected with one end of connecting hose, the other end of connecting hose is provided with suction head mechanism, suction head mechanism includes stainless steel connecting pipe, antiskid ring, filter frame, positioning groove, screw groove, micron stainless steel filter screen, positioning block, threaded tube, blocking ring and stainless steel suction head, the top one side of hopper is provided with vacuum pump connector. The utility model, through the rotation of fan blade, the dredging inside dredging groove is convenient, has reduced the phenomenon that the connecting place between hopper and reaction kettle is blocked, has increased the efficiency of feeding simultaneously.
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Description

Technical Field

[0001] This utility model relates to the field of hemodialysis membrane spinning technology, and in particular to a fully automatic device for feeding raw materials into hemodialysis membrane spinning. Background Technology

[0002] Hemodialysis membranes are the core components of artificial kidneys, and the product requirements are very strict. The preparation of raw materials for hemodialysis membrane spinning solution requires: precise formula ratios, clean and uncontaminated raw materials, accurate addition time and efficiency, uniform batch cleaning, and the raw materials need to be added to the reaction vessel, where a slight negative pressure is maintained.

[0003] In current technology, the raw materials for spinning hemodialysis membranes are mostly fed manually or using traditional feeding machines. Manual feeding is done directly from the feed port of the reactor, which can only be used for small packages of materials. The feeding speed is slow and the labor cost is high. When using traditional feeding machines, the pore-forming agent polyvinylpyrrolidone (PVP) in the material is particularly hygroscopic, which can easily clog the feeding machine. Furthermore, the moisture-absorbing PVP is difficult to clean and can easily cause contamination in the next batch. Utility Model Content

[0004] The purpose of this invention is to provide a fully automatic device for feeding raw materials for hemodialysis membrane spinning, in order to solve the problems mentioned in the background art, such as easy clogging of the feeding machine and difficulty in cleaning the moisture-absorbing PVP, which can easily cause contamination of the next batch.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: It includes a discharge support frame, the top of which is equipped with an anti-blocking mechanism. The anti-blocking mechanism includes a clearing frame, a clearing groove, a drive motor, a rotating rod, and a fan blade. A hopper is located on the top of the anti-blocking mechanism. One side of the hopper is fixedly connected to one end of a connecting hose. The other end of the connecting hose is equipped with a suction head mechanism. The suction head mechanism includes a stainless steel connecting pipe, an anti-slip ring, a filter frame, a positioning groove, a threaded groove, a micron-level stainless steel filter screen, a positioning block, a threaded pipe, a blocking ring, and a stainless steel suction head. A vacuum pump connector is located on one side of the top of the hopper.

[0006] In a preferred embodiment, the top of the discharge support frame is fixedly connected to the bottom of the drain cleaning frame via a flange, and the drain cleaning frame has a drain cleaning groove inside.

[0007] In a preferred embodiment, the top of the discharge support frame is fixedly connected to the bottom of the drive motor housing, and the output end of the unblocking frame is fixedly connected to one end of the rotating rod via a coupling.

[0008] In a preferred embodiment, the outer wall of the rotating rod is fixedly connected to the inner wall of the fan blade, and the outer wall of the fan blade is movably connected to the inner wall of the unblocking groove.

[0009] In a preferred embodiment, the top of the drain cleaning rack is fixedly connected to the bottom of the hopper via a flange, and the end of the connecting hose furthest from the hopper is fixedly connected to one end of the stainless steel connecting pipe.

[0010] In a preferred embodiment, the outer wall of the stainless steel connecting pipe is fixedly connected to the inner wall of the anti-slip ring, and the other end of the anti-slip ring is fixedly connected to one end of the filter frame. The inner wall of the filter frame is provided with an arc-shaped positioning groove and a threaded groove.

[0011] In a preferred embodiment, the inner wall of the filter frame is movably connected to the outer wall of the micron-sized stainless steel filter screen, and the outer wall of the micron-sized stainless steel filter screen is fixedly connected to one side of the positioning block, while the outer wall of the positioning block is movably connected to the inner wall of the positioning groove.

[0012] In a preferred embodiment, the inner wall of the threaded groove is threadedly connected to the outer wall of the threaded tube, the top outer wall of the threaded tube is fixedly connected to the inner wall of the blocking ring, and the top of the threaded tube is fixedly connected to the bottom of the stainless steel suction head.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, the drive motor is started to drive the rotating rod to rotate. The rotation of the rotating rod causes the fan blade to rotate inside the unblocking trough. When the raw material falls into the unblocking trough through the hopper, the fan blade transports the raw material located above to the bottom. Through the slight negative pressure inside the reactor, the raw material located below the fan blade enters the reactor. The rotation of the fan blade facilitates the unblocking of the unblocking trough, reduces the phenomenon of blockage at the connection between the hopper and the reactor, and increases the feeding efficiency.

[0015] 2. In this utility model, rotating the stainless steel suction head causes the threaded tube to rotate inside the threaded groove, thereby removing the stainless steel suction head. Then, the micron-sized stainless steel filter screen is taken out from inside the filter frame. A new micron-sized stainless steel filter screen is then placed inside the filter frame through the positioning block and positioning groove. The stainless steel suction head is then placed inside the filter frame through the threaded tube, and the blocking ring blocks the top of the positioning groove. The micron-sized stainless steel filter screen facilitates the filtration of transported materials. The quick disassembly of the stainless steel suction head facilitates the removal and cleaning of the micron-sized stainless steel filter screen, reducing the tediousness of cleaning obstructions. Attached Figure Description

[0016] Figure 1 A schematic diagram of the structure of a fully automated device for feeding raw materials into hemodialysis membrane spinning, provided by this utility model;

[0017] Figure 2 A side view of a fully automated device for feeding raw materials into hemodialysis membrane spinning, provided by this utility model;

[0018] Figure 3 A schematic diagram of a dredging frame for a fully automatic hemodialysis membrane spinning raw material feeding device provided by this utility model;

[0019] Figure 4 A schematic diagram of the fan blade of a fully automated hemodialysis membrane spinning raw material feeding device provided by this utility model;

[0020] Figure 5 A schematic diagram of the suction head mechanism of a fully automatic hemodialysis membrane spinning raw material feeding device provided by this utility model;

[0021] Figure 6 An exploded view of the filter frame inside a fully automated hemodialysis membrane spinning raw material feeding device provided by this utility model.

[0022] Legend:

[0023] 1. Discharge support frame; 2. Anti-clogging mechanism; 201. Unblocking frame; 202. Unblocking groove; 203. Drive motor; 204. Rotating rod; 205. Fan blade; 3. Hopper; 4. Connecting hose; 5. Suction head mechanism; 501. Stainless steel connecting pipe; 502. Anti-slip ring; 503. Filter frame; 504. Positioning groove; 505. Threaded groove; 506. Micron-level stainless steel filter screen; 507. Positioning block; 508. Threaded pipe; 509. Blocking ring; 510. Stainless steel suction head; 6. Vacuum pump connector. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-6This utility model provides a technical solution comprising: a discharge support frame 1, an anti-blocking mechanism 2 on the top of the discharge support frame 1, the anti-blocking mechanism 2 including a clearing frame 201, a clearing groove 202, a drive motor 203, a rotating rod 204 and a fan blade 205, a hopper 3 on the top of the anti-blocking mechanism 2, one side of the hopper 3 being fixedly connected to one end of a connecting hose 4, and a suction head mechanism 5 on the other end of the connecting hose 4, the suction head mechanism 5 including a stainless steel connecting pipe 501, an anti-slip ring 502, a filter frame 503, a positioning groove 504, a threaded groove 505, a micron-level stainless steel filter screen 506, a positioning block 507, a threaded pipe 508, a blocking ring 509 and a stainless steel suction head 510, and a vacuum pump connector 6 on one side of the top of the hopper 3.

[0026] In one embodiment, the top of the discharge support frame 1 is fixedly connected to the bottom of the drain rack 201 via a flange, and the drain rack 201 has a drain groove 202 inside.

[0027] Specifically: The unblocking channel 202 is located between the discharge port of the hopper 3 and the inlet of the reactor, so that the raw materials can be unblocked when passing through the inside of the unblocking channel 202, reducing the possibility of blockage.

[0028] In one embodiment, the top of the discharge support frame 1 is fixedly connected to the bottom of the housing of the drive motor 203, and the output end of the unblocking frame 201 is fixedly connected to one end of the rotating rod 204 via a coupling.

[0029] Specifically: the drive motor 203 is started to drive the rotating rod 204 to rotate, and the rotation of the rotating rod 204 causes the fan blade 205 to rotate inside the unblocking groove 202.

[0030] In one embodiment, the outer wall of the rotating rod 204 is fixedly connected to the inner wall of the fan blade 205, and the outer wall of the fan blade 205 is movably connected to the inner wall of the unblocking groove 202.

[0031] Specifically: When the raw material falls from the hopper 3 into the unblocking trough 202, the fan blade 205 transports the raw material located above to the bottom. Through the slight negative pressure inside the reactor, the raw material located below the fan blade 205 enters the reactor.

[0032] In one embodiment, the top of the drain cleaning rack 201 is fixedly connected to the bottom of the hopper 3 via a flange, and the end of the connecting hose 4 away from the hopper 3 is fixedly connected to one end of the stainless steel connecting pipe 501.

[0033] Specifically: the suction force allows the raw material to enter the hopper 3 through the stainless steel suction head 510 and the connecting hose 4, which facilitates the suction of the raw material.

[0034] In one embodiment, the outer wall of the stainless steel connecting pipe 501 is fixedly connected to the inner wall of the anti-slip ring 502, and the other end of the anti-slip ring 502 is fixedly connected to one end of the filter frame 503. The inner wall of the filter frame 503 is provided with an arc-shaped positioning groove 504 and a threaded groove 505.

[0035] Specifically, the anti-slip ring 502 reduces the likelihood of the stainless steel connecting pipe 501 falling off when the worker holds it.

[0036] In one embodiment, the inner wall of the filter holder 503 is movably connected to the outer wall of the micron-sized stainless steel filter screen 506, and the outer wall of the micron-sized stainless steel filter screen 506 is fixedly connected to one side of the positioning block 507, and the outer wall of the positioning block 507 is movably connected to the inner wall of the positioning groove 504.

[0037] Specifically: the raw material passes through the interior of the filter frame 503 and is then filtered by the micron-level stainless steel filter screen 506. The positioning block 507 ensures the stability of the micron-level stainless steel filter screen 506.

[0038] In one embodiment, the inner wall of the threaded groove 505 is threadedly connected to the outer wall of the threaded tube 508, the top outer wall of the threaded tube 508 is fixedly connected to the inner wall of the retaining ring 509, and the top of the threaded tube 508 is fixedly connected to the bottom of the stainless steel suction head 510.

[0039] Specifically: The stainless steel suction head 510 is inserted into the filter frame 503 through the threaded tube 508, and then the blocking ring 509 blocks the top of the positioning groove 504, which facilitates the picking and putting in of the micron-level stainless steel filter screen 506. By setting the blocking ring 509, the dispersion of material through the positioning groove 504 is reduced.

[0040] Working principle: The discharge support frame 1 is connected to the inlet of the reactor via a flange. The vacuum pump connector 6 is connected to the vacuum pump. Starting the vacuum pump generates suction at the stainless steel suction head 510 via the connecting hose 4. Holding the anti-slip ring 502, the stainless steel connecting pipe 501 and the stainless steel suction head 510 are placed at the raw material location. The suction forces the raw material through the stainless steel suction head 510 and connecting hose 4 into the hopper 3. Simultaneously, the raw material passes through the filter frame 503. The drive motor 203 is started, driving the rotating rod 204 to rotate. The rotating rod 204 drives the fan blade 205 to rotate inside the unblocking trough 202. When the raw material falls from the hopper 3 into the unblocking trough 202, it is drawn by the fan blade 205. The raw material located above is transported to the bottom. Through the slight negative pressure inside the reactor, the raw material located below the fan blade 205 enters the reactor. When it is necessary to remove the micron-sized stainless steel filter screen 506, the stainless steel suction head 510 is rotated to drive the threaded tube 508 to rotate inside the threaded groove 505, thereby removing the stainless steel suction head 510. Then, the micron-sized stainless steel filter screen 506 is taken out from inside the filter frame 503. Then, the new micron-sized stainless steel filter screen 506 is placed inside the filter frame 503 through the positioning block 507 and the positioning groove 504. Then, the stainless steel suction head 510 is placed inside the filter frame 503 through the threaded tube 508, and then the blocking ring 509 blocks the top of the positioning groove 504.

[0041] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A fully automated device for feeding raw materials into hemodialysis membrane spinning, characterized in that, include: The discharge support frame (1) is provided with an anti-blocking mechanism (2) at the top. The anti-blocking mechanism (2) includes a dredging frame (201), a dredging groove (202), a drive motor (203), a rotating rod (204), and a fan blade (205). The top of the anti-blocking mechanism (2) is provided with a hopper (3). One side of the hopper (3) is fixedly connected to one end of a connecting hose (4). The other end of the connecting hose (4) is provided with a suction head mechanism (5). The suction head mechanism (5) includes a stainless steel connecting pipe (501), an anti-slip ring (502), a filter frame (503), a positioning groove (504), a threaded groove (505), a micron-level stainless steel filter screen (506), a positioning block (507), a threaded pipe (508), a blocking ring (509), and a stainless steel suction head (510). A vacuum pump connector (6) is provided on one side of the top of the hopper (3).

2. The fully automated device for feeding raw materials into hemodialysis membrane spinning according to claim 1, characterized in that: The top of the discharge support frame (1) is fixedly connected to the bottom of the dredging frame (201) via a flange, and the dredging frame (201) has a dredging groove (202) inside.

3. The fully automated device for feeding raw materials into hemodialysis membrane spinning according to claim 2, characterized in that: The top of the discharge support frame (1) is fixedly connected to the bottom of the housing of the drive motor (203), and the output end of the unblocking frame (201) is fixedly connected to one end of the rotating rod (204) through a coupling.

4. The fully automated device for feeding raw materials into hemodialysis membrane spinning according to claim 3, characterized in that: The outer wall of the rotating rod (204) is fixedly connected to the inner wall of the fan blade (205), and the outer wall of the fan blade (205) is movably connected to the inner wall of the unblocking groove (202).

5. The fully automated device for feeding raw materials into hemodialysis membrane spinning according to claim 1, characterized in that: The top of the drain rack (201) is fixedly connected to the bottom of the hopper (3) via a flange, and the end of the connecting hose (4) away from the hopper (3) is fixedly connected to one end of the stainless steel connecting pipe (501).

6. The fully automated device for feeding raw materials into hemodialysis membrane spinning according to claim 5, characterized in that: The outer wall of the stainless steel connecting pipe (501) is fixedly connected to the inner wall of the anti-slip ring (502), and the other end of the anti-slip ring (502) is fixedly connected to one end of the filter frame (503). The inner wall of the filter frame (503) is provided with an arc-shaped positioning groove (504) and a threaded groove (505).

7. The fully automated device for feeding raw materials into hemodialysis membrane spinning according to claim 6, characterized in that: The inner wall of the filter frame (503) is movably connected to the outer wall of the micron-sized stainless steel filter screen (506), and the outer wall of the micron-sized stainless steel filter screen (506) is fixedly connected to one side of the positioning block (507), and the outer wall of the positioning block (507) is movably connected to the inner wall of the positioning groove (504).

8. The fully automated device for feeding raw materials into hemodialysis membrane spinning according to claim 7, characterized in that: The inner wall of the threaded groove (505) is threadedly connected to the outer wall of the threaded tube (508), and the top outer wall of the threaded tube (508) is fixedly connected to the inner wall of the blocking ring (509), and the top of the threaded tube (508) is fixedly connected to the bottom of the stainless steel suction head (510).