CN216116589U - Integrity test gas circuit is used in cerini dialyser cerini production - Google Patents
Integrity test gas circuit is used in cerini dialyser cerini production Download PDFInfo
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- CN216116589U CN216116589U CN202121775097.5U CN202121775097U CN216116589U CN 216116589 U CN216116589 U CN 216116589U CN 202121775097 U CN202121775097 U CN 202121775097U CN 216116589 U CN216116589 U CN 216116589U
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- dialyzer
- gas source
- assembly
- adapter
- valve island
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 239000008280 blood Substances 0.000 claims abstract description 36
- 210000004369 blood Anatomy 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000011016 integrity testing Methods 0.000 claims abstract 2
- 238000012545 processing Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 238000011045 prefiltration Methods 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 208000037157 Azotemia Diseases 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process 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
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 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 completeness testing gas circuit for dialyzer production, which comprises a gas source assembly, a valve island, a leak detection mechanism and a propelling mechanism, wherein the leak detection mechanism comprises a leak detector and an adapter assembly used for being connected with a dialyzer, and the leak detector and the valve island are both connected with the gas source assembly; the adapter assembly is respectively connected with the leak detector and the valve island; the advancing mechanism is connected with the valve island, and the adapter assembly is mounted on the advancing mechanism so that the advancing mechanism pushes the adapter assembly to be close to or far away from the blood port and the dialysate port of the dialyzer. The integrity testing gas circuit for dialyzer production provided by the utility model has the characteristics of high execution speed and low cost.
Description
Technical Field
The utility model relates to the field of dialyzer production, in particular to a completeness testing gas circuit for dialyzer production.
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.
In the assembly production process, serious medical accidents can be caused by the leakage of the sealing ring when the dialyzer shell is broken or the end cover is assembled, so that the integrity of the dialyzer needs to be tested at a plurality of stations in the assembly process. The existing dialyzer detection device occupies a large space and has high equipment cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a completeness testing gas circuit for dialyzer production, which has the characteristics of high execution speed and low cost.
The utility model provides a completeness testing gas circuit for dialyzer production, which comprises a gas source assembly, a valve island, a leak detection mechanism and a propelling mechanism, wherein the leak detection mechanism comprises a leak detector and an adapter assembly used for being connected with a dialyzer, and the leak detector and the valve island are both connected with the gas source assembly; the adapter assembly is respectively connected with the leak detector and the valve island; the advancing mechanism is connected with the valve island, and the adapter assembly is mounted on the advancing mechanism so that the advancing mechanism pushes the adapter assembly to be close to or far away from the blood port and the dialysate port of the dialyzer.
Optionally, the propulsion mechanism comprises a vertical propulsion cylinder and two horizontal propulsion cylinders, the dialyzer is horizontally arranged and located between the two horizontal propulsion cylinders, two dialysate ports of the dialyzer are in a vertically downward state, and the vertical propulsion cylinder is arranged on the lower side of the dialyzer; the adapter assemblies are mounted on the vertical propulsion cylinder and the horizontal propulsion cylinder, respectively.
Optionally, the adapter assembly comprises a dialysate port adapter mounted on the vertical propulsion cylinder and a blood port adapter mounted on the horizontal propulsion cylinder.
Optionally, a first gas line connecting the dialysate port adapter and the valve island and a second gas line connecting the blood port adapter and the valve island are also included.
Optionally, still include aligning gear, aligning gear includes the clamping jaw cylinder and right the dislysate mouth carries out the clamping jaw that presss from both sides tightly, clamping jaw cylinder drive the clamping jaw presss from both sides tightly the dislysate mouth.
Optionally, the device further comprises a plurality of one-way throttle valves, and the one-way throttle valves are arranged on air inlet and outlet paths of the vertical propulsion cylinder, the horizontal propulsion cylinder and the clamping jaw cylinder.
Optionally, the propulsion mechanism further comprises a photoelectric sensor for detecting the dialyzer, and the straightening mechanism further comprises a first magnetic induction switch for detecting the jaw cylinder; the propulsion mechanism further comprises a second magnetic induction switch for detecting the displacement of the vertical propulsion cylinder and the horizontal propulsion cylinder.
Optionally, the gas source assembly includes a gas source and a gas source processing assembly, the gas source is connected to the gas source processing assembly and the valve island, and the gas source processing assembly is disposed between the gas source and the leak detector.
Optionally, the air supply assembly further comprises a pre-filter and an activated carbon filter, the pre-filter and the activated carbon filter are arranged between the air supply processing assembly and the leak detector, and the pre-filter is arranged at the air outlet end of the air supply processing assembly.
According to the integrity test gas circuit for dialyzer production, compressed air is filled into the dialyzer from the blood port and the dialysate port through the leak detector in the leak detection mechanism, so that the membrane wire membrane wall in the dialyzer is prevented from being broken. The valve island is used for controlling the starting of the propelling mechanism, and the execution speed is high. The leak detector can be provided with a plurality of independent test loops to simultaneously test a plurality of dialyzers, so that the occupied space of leak detection equipment is reduced, and the production cost is reduced. Namely, the integrity test gas circuit for dialyzer production has the advantages of high execution speed, small occupied space and low production cost.
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 diagram of a dialyzer production integrity test gas circuit according to one embodiment of the present invention.
Detailed Description
As shown in fig. 1, an embodiment of the present invention provides a dialyzer production integrity test gas circuit, which includes a gas source assembly 10, a valve island 2, a leak detection mechanism and a propulsion mechanism, wherein the leak detection mechanism includes a leak detector 31 and an adapter assembly 32 for connecting with the dialyzer 4, and both the leak detector 31 and the valve island 2 are connected with the gas source assembly 10. Adapter assembly 32 is connected to leak detector 31 and valve island 2, respectively. A pushing mechanism is connected to the valve island 2 and an adapter assembly 32 is mounted on the pushing mechanism such that the pushing mechanism pushes the adapter assembly 32 closer to or away from the blood port and the dialysate port of the dialyzer 4.
In this embodiment, the leak detector 31 in the leak detection mechanism fills the dialyzer 4 with clean compressed air from the blood port and the dialysate port at the same time, thereby preventing the membrane-filament membrane wall in the dialyzer 4 from breaking. The valve island 2 is used for controlling the starting of the propelling mechanism, and the execution speed is high. The leak detector 31 can be provided with a plurality of independent test loops, and each test loop is correspondingly provided with an adapter assembly 32 so as to simultaneously test a plurality of dialyzers 4, thereby reducing the occupied space of leak detection equipment and lowering the production cost. The leak detector 31 can detect the pressure value of each circuit individually.
As shown in fig. 1, in some embodiments of the utility model, the propulsion mechanism comprises a vertical propulsion cylinder 51 and two horizontal propulsion cylinders 52, the dialyzer 4 being horizontally arranged and located between the two horizontal propulsion cylinders 52 such that the output shafts of the two horizontal propulsion cylinders 52 are respectively close to or remote from the two blood ports at the two ends of the dialyzer 4. The two dialysate ports of the dialyzer 4 face downward, and a vertical push cylinder 51 is provided on the lower side of the dialyzer 4. The adapter assemblies 32 are mounted on a vertical propulsion cylinder 51 and a horizontal propulsion cylinder 52, respectively.
As shown in fig. 1, in some embodiments of the present invention, the adapter assembly 32 includes a dialysate port adapter 321 and a blood port adapter 322, the dialysate port adapter 321 being mounted on the vertical propulsion cylinder 51, and the blood port adapter 322 being mounted on the horizontal propulsion cylinder 52. The blood port adapter 322 is driven to be close to or far away from the blood port by the horizontal propelling cylinder 52, and the dialysate port adapter 321 is driven to be close to or far away from the dialysate port by the vertical propelling cylinder 51. Specifically, there are two dialysate port adapters 321 mounted on the output shaft of the same vertical propulsion cylinder 51. The two blood port adapters 322 are attached to the output shafts of the two horizontal propulsion cylinders 52, respectively.
As shown in fig. 1, in some embodiments of the present invention, the dialyzer production integrity test circuit further comprises a first gas line 21 and a second gas line 22, the first gas line 21 connecting the dialysate port adapter 321 and the valve island 2, and the second gas line 22 connecting the blood port adapter 322 and the valve island 2. Specifically, the first gas line 21 is connected to the dialysate port adapter 321 via a tee, and the second gas line 22 is connected to the blood port adapter 322 via a tee. The dialysate port adapter 321 and the blood port adapter 322 are both provided with two air path connection ports, one for connecting the valve island 2 and the other for connecting the leak detector 32. The dialysate port adapter 321 and the blood port adapter 322 are in gas communication with the valve island 2, and the dialysate port adapter 321 and the blood port adapter 322 lock the dialysate port and blood port cylindrical surfaces of the dialyzer under the action of gas from the valve island 2.
As shown in fig. 1, in some embodiments of the present invention, the dialyzer production integrity test gas circuit further includes a straightening mechanism, the straightening mechanism includes a clamping jaw cylinder 6 and a clamping jaw for clamping the dialysate port, and the clamping jaw cylinder 6 drives the clamping jaw to clamp the dialysate port. When the dialyzer 4 moves between the two horizontal propelling cylinders 52, the clamping jaw air cylinders 6 drive the clamping jaws to clamp and release the dialysate ports of the dialyzer 4, so that the angle of the dialyzer 4 can be adjusted, and the dialysate ports are in a vertical downward state when the dialyzer 4 moves between the two horizontal propelling cylinders 52.
As shown in fig. 1, in some embodiments of the present invention, the dialyzer production integrity test air circuit further includes a plurality of one-way throttle valves 7, the one-way throttle valves 7 being disposed on the air inlet paths of the vertical propulsion cylinder 51, the horizontal propulsion cylinder 52, and the jaw cylinder 6. The action speed of the vertical propulsion cylinder 51, the horizontal propulsion cylinder 52 and the clamping jaw cylinder 6 is controlled by arranging the one-way throttle valve 7.
As shown in fig. 1, in some embodiments of the utility model, the advancing mechanism further comprises a photoelectric sensor 8 for detecting the dialyzer 4, and the straightening mechanism further comprises a first magnetic induction switch 91 for detecting the jaw cylinder 6. The propulsion mechanism further comprises a second magnetic sensitive switch 92 for detecting the displacement of the vertical propulsion cylinder 51 and the horizontal propulsion cylinder 52. The vertical propulsion cylinder 51 and the horizontal propulsion cylinder 52 may be respectively provided with a second magnetic induction switch 92.
As shown in fig. 1, in some embodiments of the present invention, the gas source assembly 10 comprises a gas source 11 and a gas source processing assembly 12, the gas source 11 is connected with the gas source processing assembly 12 and the valve island 2 respectively, and specifically, the gas source 11 is connected with the gas source processing assembly 12 and the valve island 2 respectively through a tee. The gas source processing assembly 12 is disposed between the gas source 11 and the leak detector 31.
In this embodiment, the working process of the integrity test gas circuit for dialyzer production is: the last station of the leak testing station is a dialyzer angle adjusting station, through which the dialysate ports are adjusted vertically downward, and then the dialyzer 4 is conveyed to the leak testing station by the conveying line, i.e., the dialyzer 4 is conveyed between two horizontal propulsion cylinders 52. After the photoelectric sensor 8 detects that the dialyzer 4 is in place, the clamping jaw air cylinder 6 drives the clamping jaw to clamp the dialysate opening of the dialyzer 4, and after the first magnetic induction switch 91 detects that the clamping jaw moves, the clamping jaw air cylinder 6 resets, and the clamping jaw loosens the dialysate opening. The action of clamping the dialysate port by the clamping jaws and then releasing the clamping jaws achieves further adjustment of the angle of the dialyzer 4, ensuring that the dialysate port of the dialyzer 4 is in a vertically downward state.
After the clamping jaw action is finished, the valve island 2 controls the horizontal propulsion cylinders 52 at both sides of the dialyzer 4 and the vertical propulsion cylinders 51 at the lower part to act simultaneously. The horizontal propulsion cylinder 52 drives the blood mouth adapter 322 and is close to the blood mouth at cerini dialyser cerini 4 both ends, vertical propulsion cylinder drives the dialysate mouth adapter 321 and is close to two dialysate mouths of the vertical direction of cerini dialyser cerini 4, after the second magnetic induction switch 92 that corresponds detected horizontal propulsion cylinder 52 and vertical propulsion cylinder 51 and all arrived the operating position, gas switched on in first gas pipeline 21 and the second gas pipeline 22, blood mouth adapter 322 and dialysate mouth adapter 321 lock blood mouth and dialysate mouth respectively. Then, the leak detector 31 simultaneously charges clean compressed air with a specific pressure into the dialyzer 4 from the blood port and the dialysate port through the blood port adapter 322 and the dialysate port adapter 321, the air is kept for a specific time after the air charging is finished, and then the leak detector 31 detects a pressure drop value in a corresponding loop, thereby judging whether the casing of the dialyzer 4 is intact.
After the detection is completed, the valve island 2 closes the gas in the first gas line 21 and the second gas line 22, and the blood port adapter 322 and the dialysate port adapter 321 release the blood port and the dialysate port. Then the horizontal propulsion cylinder 52 and the vertical propulsion cylinder 51 are reset. The dialyzer 4 is conveyed to the next station, the qualified dialyzer 4 for leak detection is continuously assembled, and the unqualified dialyzer 4 is rejected.
As shown in FIG. 1, in some embodiments of the present invention, the gas source assembly 10 further comprises a pre-filter 13 and an activated carbon filter 14, the pre-filter 13 and the activated carbon filter 14 are disposed between the gas source processing assembly 12 and the leak detector 31, and the pre-filter 13 is disposed at the gas outlet end of the gas source processing assembly 12 for purifying the gas source 11.
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 (9)
1. The integrity testing gas circuit for dialyzer production is characterized by comprising a gas source assembly, a valve island, a leak detection mechanism and a propelling mechanism, wherein the leak detection mechanism comprises a leak detector and an adapter assembly used for being connected with a dialyzer, and the leak detector and the valve island are both connected with the gas source assembly; the adapter assembly is respectively connected with the leak detector and the valve island; the advancing mechanism is connected with the valve island, and the adapter assembly is mounted on the advancing mechanism so that the advancing mechanism pushes the adapter assembly to be close to or far away from the blood port and the dialysate port of the dialyzer.
2. The dialyzer production integrity test circuit of claim 1, wherein the propulsion mechanism comprises a vertical propulsion cylinder and two horizontal propulsion cylinders, the dialyzer is horizontally disposed and located between the two horizontal propulsion cylinders, the two dialysate ports of the dialyzer are in a vertically downward state, and the vertical propulsion cylinders are disposed on a lower side of the dialyzer; the adapter assemblies are mounted on the vertical propulsion cylinder and the horizontal propulsion cylinder, respectively.
3. The dialyzer production integrity test circuit of claim 2, wherein the adapter assembly comprises a dialysate port adapter mounted on the vertical propulsion cylinder and a blood port adapter mounted on the horizontal propulsion cylinder.
4. The dialyzer production integrity test circuit of claim 3, further comprising a first gas line connecting the dialysate port adapter and the valve island and a second gas line connecting the blood port adapter and the valve island.
5. The dialyzer production integrity test circuit of claim 2, further comprising a straightening mechanism comprising a jaw cylinder and jaws that clamp the dialysate ports, the jaw cylinder driving the jaws to clamp the dialysate ports.
6. The dialyzer production integrity test air circuit of claim 5, further comprising a plurality of one-way throttle valves disposed on the air inlet circuits of the vertical propulsion cylinder, the horizontal propulsion cylinder, and the jaw cylinder.
7. The dialyzer production integrity test circuit of claim 5, wherein the propulsion mechanism further comprises a photoelectric sensor for detecting the dialyzer, and the corrective mechanism further comprises a first magnetic induction switch for detecting the jaw cylinder; the propulsion mechanism further comprises a second magnetic induction switch for detecting the displacement of the vertical propulsion cylinder and the horizontal propulsion cylinder.
8. The dialyzer production integrity test gas circuit of claim 1, wherein the gas source assembly comprises a gas source and a gas source processing assembly, the gas source is connected with the gas source processing assembly and the valve island, respectively, and the gas source processing assembly is disposed between the gas source and the leak detector.
9. The dialyzer production integrity test gas circuit of claim 8, wherein the gas source assembly further comprises a pre-filter and an activated carbon filter, the pre-filter and the activated carbon filter being disposed between the gas source processing assembly and the leak detector, the pre-filter being disposed at a gas outlet end of the gas source processing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121775097.5U CN216116589U (en) | 2021-07-30 | 2021-07-30 | Integrity test gas circuit is used in cerini dialyser cerini production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121775097.5U CN216116589U (en) | 2021-07-30 | 2021-07-30 | Integrity test gas circuit is used in cerini dialyser cerini production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216116589U true CN216116589U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121775097.5U Active CN216116589U (en) | 2021-07-30 | 2021-07-30 | Integrity test gas circuit is used in cerini dialyser cerini production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216116589U (en) |
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2021
- 2021-07-30 CN CN202121775097.5U patent/CN216116589U/en active Active
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