CN215402255U - Dialyzer membrane tow rotating and conveying structure - Google Patents
Dialyzer membrane tow rotating and conveying structure Download PDFInfo
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- CN215402255U CN215402255U CN202121762617.9U CN202121762617U CN215402255U CN 215402255 U CN215402255 U CN 215402255U CN 202121762617 U CN202121762617 U CN 202121762617U CN 215402255 U CN215402255 U CN 215402255U
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- shaped ring
- winding drum
- direct current
- fixing piece
- clamping block
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- 239000012528 membrane Substances 0.000 title claims abstract description 55
- 238000004804 winding Methods 0.000 claims abstract description 48
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 208000037157 Azotemia Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 208000009852 uremia Diseases 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a dialyzer membrane tow rotary conveying structure which comprises a mounting shaft, a power device and a winding drum assembly. The power device comprises a direct current motor, a transmission mechanism, a first O-shaped ring fixing piece and a first O-shaped ring. Direct current motor installs in the installation epaxial, and first O type circle mounting rotationally installs in the installation axle and with the coaxial setting of installation axle, and first O type circle is installed in first O type circle mounting, and direct current motor passes through drive mechanism and drives first O type circle mounting and rotate. The winding drum component comprises a winding drum, the winding drum is rotatably sleeved on the installation shaft, and the inner wall surface of the winding drum is in contact with the first O-shaped ring, so that the winding drum rotates under the driving of the friction force between the first O-shaped ring and the winding drum. The outer wall surface of the drum is used for conveying the film tows. The dialyzer membrane tow rotating and conveying structure provided by the embodiment of the utility model at least can prevent overlarge traction acting force on membrane tows through the friction transmission of the first O-shaped ring, and the occurrence of filament breakage is reduced as much as possible.
Description
Technical Field
The utility model relates to the field of membrane yarn production for dialyzers, in particular to a rotary conveying structure for a dialyzer membrane yarn bundle.
Background
The dialyzer is widely used for treating uremia patients, and mainly utilizes the principle of a semipermeable membrane to simultaneously introduce blood and dialysate of uremia patients into the dialyzer, so that the blood and the dialysate flow in opposite directions on the inner side and the outer side of a fiber membrane wall, toxic macromolecules in the blood can flow out of the outer side of the membrane wall through membrane holes, and the toxic macromolecules flow out of the dialyzer along with the outflow of the dialyzer. Meanwhile, the functions of removing blood toxin, supplementing blood nutrient substances and adjusting the pH value of blood can be realized by virtue of solute gradient, osmotic gradient and water pressure gradient on the two sides of the membrane wall. The dialyzer assembly production line is used for assembling the raw materials such as the fiber membrane bundle, the dialyzer shell, the end cover and the like into a finished dialyzer product.
However, since a single membrane tow of a dialyzer is easy to break and is relatively soft, and is not easy to transfer, transport and convey after production is completed, a conveying structure is urgently needed to meet the requirement of conveying the membrane tow in a soft state and simultaneously reduce the occurrence of filament breakage as much as possible.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dialyzer membrane tow rotary conveying structure, which can solve the problems of transferring and conveying membrane tows after production is finished, can meet the requirement of conveying the membrane tows in a soft state, and simultaneously reduces the occurrence of filament breakage as much as possible.
The utility model particularly provides a dialyzer membrane tow rotary conveying structure which comprises a mounting shaft, a power device and a winding drum assembly, wherein the mounting shaft is fixedly connected with the power device;
the power device comprises a direct current motor, a transmission mechanism, a first O-shaped ring fixing piece and a first O-shaped ring; the direct current motor is arranged on the installation shaft, the first O-shaped ring fixing piece is rotatably arranged on the installation shaft and is coaxial with the installation shaft, the first O-shaped ring is arranged on the first O-shaped ring fixing piece, and the direct current motor drives the first O-shaped ring fixing piece to rotate through the transmission mechanism;
the winding drum assembly comprises a winding drum which is rotatably sleeved on the mounting shaft, and the inner wall surface of the winding drum is in contact with the first O-shaped ring so that the winding drum rotates under the driving of the friction force between the first O-shaped ring and the winding drum; the outer wall surface of the winding drum is used for conveying the membrane tows.
Optionally, the transmission mechanism comprises:
the first gear is fixed on an output shaft of the direct current motor;
the second gear is rotatably arranged on the mounting shaft, meshed with the first gear, and connected with the first O-shaped ring fixing piece.
Optionally, a first clamping block is arranged on the mounting shaft, a central through hole of the second gear is sleeved on the first clamping block,
two first circular connecting plates are fixedly arranged on two sides of the second gear, and the first clamping block is located between the two first circular connecting plates.
Optionally, the dialyzer membrane tow rotating and conveying structure further comprises a connecting and fixing assembly, wherein the connecting and fixing assembly comprises a second O-ring fixing piece, a second O-ring, a second fixture block and two second circular connecting plates;
the second clamping block is rotatably sleeved on the mounting shaft, and the two second circular connecting plates are fixedly connected to the second clamping block;
the second O-shaped ring fixing piece is arranged on the second circular connecting plate, the second O-shaped ring is arranged on the second O-shaped ring fixing piece, and the second O-shaped ring and the first O-shaped ring are positioned at two ends of the mounting shaft; the inner wall surface of the winding drum is in contact with the second O-shaped ring.
Optionally, the winding drum assembly further comprises a bottom plate, the bottom plate is arranged at one end, close to the second O-ring, of the winding drum, and the bottom plate is fixedly connected with the second circular connecting plate through a fixed connecting piece.
Optionally, two sides of the second fixture block are clamped by a spring collar through a shaft.
The dialyzer membrane tow rotating and conveying structure is provided with a plurality of dialyzer membrane tow rotating and conveying structures which are sequentially arranged on the advancing route of the membrane tows, the membrane tows are attached to at least part of the outer surface of the winding drum, namely the membrane tows are wound on the winding drum in a half winding mode, and the membrane tows are enabled to move forwards gradually when the winding drum rotates. Through the friction transmission of the first O-shaped ring, the traction acting force on the membrane tows can be at least prevented from being overlarge, and the occurrence of filament breakage is reduced as far as possible.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic structural view of a dialyzer membrane tow rotary conveying structure according to one embodiment of the utility model;
FIG. 2 is a partial schematic view of the membrane tow rotary transport arrangement of the dialyzer shown in FIG. 1;
FIG. 3 is a schematic structural diagram of a power device in the rotary conveying structure of the membrane tows of the dialyzer shown in FIG. 1;
FIG. 4 is a schematic structural diagram of a connecting and fixing component in the rotary conveying structure of the membrane tows of the dialyzer shown in FIG. 1。
Detailed Description
Fig. 1 is a schematic structural view of a dialyzer membrane tow rotary conveying structure according to an embodiment of the present invention, which includes a mounting shaft 40, a power device 10 and a spool assembly, as shown in fig. 1 and referring to fig. 2 to 4.
The power unit 10 includes a dc motor 11, a transmission mechanism, a first O-ring fixing member 12, and a first O-ring 13. The direct current motor 11 is installed on the installation axle 40, and first O type circle mounting 12 rotationally installs in installation axle 40 and with the coaxial setting of installation axle 40, and first O type circle 13 is installed in first O type circle mounting 12, and direct current motor 11 passes through drive mechanism and drives first O type circle mounting 12 and rotate. The winding drum assembly comprises a winding drum 31, the winding drum 31 is rotatably sleeved on the mounting shaft 40, and the inner wall surface of the winding drum 31 is in contact with the first O-ring 13, so that the winding drum 31 rotates under the driving of the friction force between the first O-ring 13 and the winding drum 31. The outer wall surface of the drum 31 is used for conveying the film tow.
The dialyzer membrane tow rotating and conveying structure provided by the embodiment of the utility model is provided with a plurality of structures, the structures are sequentially arranged on the advancing route of the membrane tows, the membrane tows are attached to at least part of the outer surface of the winding drum 31, namely the membrane tows are wound on the winding drum 31 in a half-winding mode, and the membrane tows are enabled to move forwards gradually when the winding drum 31 rotates. Through the friction transmission of the first O-shaped ring 13, the traction acting force on the membrane tows can be at least prevented from being overlarge, and the occurrence of filament breakage is reduced as far as possible.
In some embodiments of the present invention, as shown in fig. 2 and 3, the transmission mechanism includes a first gear 14 and a second gear 15. The first gear 14 is fixed to an output shaft of the dc motor 11. The second gear 15 is rotatably mounted to the mounting shaft 40, the second gear 15 is engaged with the first gear 14, and the second gear 15 is connected to the first O-ring fixing member 12. Further, optionally, a first clamping block is arranged on the mounting shaft 40, the central through hole of the second gear 15 is sleeved on the first clamping block 16, two first circular connecting plates 17 are fixedly arranged on two sides of the second gear 15, and the first clamping block 16 is located between the two first circular connecting plates 17. The two first circular connecting plates 17 are of the same size. The dc motor 11 is mounted on the mounting shaft 40 by the motor mounting block 18.
In some embodiments of the present invention, as shown in fig. 2 and 4, the dialyzer membrane tow rotary conveying structure further comprises a connection fixing assembly 20, and the connection fixing assembly 20 comprises a second O-ring fixing member 21, a second O-ring 22, a second fixture block 23 and two second circular connecting plates 24. The second latch 23 is rotatably sleeved on the mounting shaft 40, and the two second circular connecting plates 24 are fixedly connected to the second latch 23. The second O-ring fixing member 21 is attached to the second circular connecting plate 24, the second O-ring 22 is attached to the second O-ring fixing member 21, and the second O-ring 22 and the first O-ring 13 are located at both ends of the mounting shaft 40. The inner wall surface of the spool 31 contacts the second O-ring 22, so that the spool 31 is fixed by the two O-rings. Preferably, both sides of the second latch 23 are latched by a spring collar through a shaft.
In some embodiments of the present invention, the reel assembly further includes a bottom plate 32, the bottom plate 32 is disposed at an end of the reel 31 adjacent to the second O-ring 22, and the bottom plate 32 is fixedly connected to the second circular connecting plate 24 by a fixing connector 33, which may be a screw.
In this embodiment, the dialyzer membrane tow rotating and conveying structure is provided in a plurality of numbers, which are sequentially arranged on the traveling route of the membrane tow, and the membrane tow is attached to at least part of the outer surface of the winding drum 31, that is, the membrane tow is half wound on the winding drum 31, so that the membrane tow gradually moves forward when the winding drum 31 rotates. The working process of the single dialyzer membrane tow rotating and conveying structure is as follows: the motor controller controls the direct current motor 11 to start, and the output shaft through the direct current motor 11 drives the first gear 14 to rotate, so as to drive the second gear 15 to rotate, and the second gear 15 drives the first O-shaped ring fixing part 12 and the first O-shaped ring 13 when rotating, so as to drive the winding drum 31 to rotate through the friction between the first O-shaped ring 13 and the winding drum 31, so as to drive the membrane filament bundle to move forwards around the winding drum 31, and the membrane filament bundle and the winding drum 31 can basically stand still relatively.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.
Claims (6)
1. A dialyzer membrane tow rotary conveying structure is characterized by comprising a mounting shaft, a power device and a winding drum assembly;
the power device comprises a direct current motor, a transmission mechanism, a first O-shaped ring fixing piece and a first O-shaped ring; the direct current motor is arranged on the installation shaft, the first O-shaped ring fixing piece is rotatably arranged on the installation shaft and is coaxial with the installation shaft, the first O-shaped ring is arranged on the first O-shaped ring fixing piece, and the direct current motor drives the first O-shaped ring fixing piece to rotate through the transmission mechanism;
the winding drum assembly comprises a winding drum which is rotatably sleeved on the mounting shaft, and the inner wall surface of the winding drum is in contact with the first O-shaped ring so that the winding drum rotates under the driving of the friction force between the first O-shaped ring and the winding drum; the outer wall surface of the winding drum is used for conveying the membrane tows.
2. The dialyzer membrane tow rotary transport structure of claim 1, wherein the transmission mechanism comprises:
the first gear is fixed on an output shaft of the direct current motor;
the second gear is rotatably arranged on the mounting shaft, meshed with the first gear, and connected with the first O-shaped ring fixing piece.
3. The dialyzer membrane tow rotary transport structure of claim 2,
a first clamping block is arranged on the mounting shaft, a central through hole of the second gear is sleeved on the first clamping block,
two first circular connecting plates are fixedly arranged on two sides of the second gear, and the first clamping block is located between the two first circular connecting plates.
4. The dialyzer membrane tow rotary conveying structure of claim 1, further comprising a connection fixing assembly comprising a second O-ring fixing member, a second O-ring, a second clamping block and two second circular connecting plates;
the second clamping block is rotatably sleeved on the mounting shaft, and the two second circular connecting plates are fixedly connected to the second clamping block;
the second O-shaped ring fixing piece is arranged on the second circular connecting plate, the second O-shaped ring is arranged on the second O-shaped ring fixing piece, and the second O-shaped ring and the first O-shaped ring are positioned at two ends of the mounting shaft; the inner wall surface of the winding drum is in contact with the second O-shaped ring.
5. A dialyzer membrane tow rotary transport structure according to claim 4,
the winding drum assembly further comprises a bottom plate, the bottom plate is arranged at one end, close to the second O-shaped ring, of the winding drum, and the bottom plate is fixedly connected with the second circular connecting plate through a fixed connecting piece.
6. The dialyzer membrane tow rotary conveying structure of claim 4, wherein both sides of the second clamping block are clamped by spring collars through shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121762617.9U CN215402255U (en) | 2021-07-30 | 2021-07-30 | Dialyzer membrane tow rotating and conveying structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121762617.9U CN215402255U (en) | 2021-07-30 | 2021-07-30 | Dialyzer membrane tow rotating and conveying structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215402255U true CN215402255U (en) | 2022-01-04 |
Family
ID=79654771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121762617.9U Active CN215402255U (en) | 2021-07-30 | 2021-07-30 | Dialyzer membrane tow rotating and conveying structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215402255U (en) |
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2021
- 2021-07-30 CN CN202121762617.9U patent/CN215402255U/en active Active
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