Corona treatment device for dialyzer end cover
By designing the end cap corona treatment device of the dialyzer end cap, the high-frequency high-voltage corona discharge treatment device is used to remove impurities on the surface of the end cap, which solves the problem of pre-flushing and exhausting bubbles in the prior art, and improves the efficiency of the dialyzer.
Patent Information
- Application Number
- CN202422347318.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-25
AI Technical Summary
The existing dialyzer PP end cap has many surface impurities when it is not treated with corona, resulting in a long time of pre-flushing and exhausting bubbles, affecting clinical use efficiency.
A dialyzer end cap corona treatment device is designed, including a feeding mechanism, a clamping mechanism and a corona treatment mechanism, which removes impurities on the surface of the end cap through corona treatment, and uses high-frequency and high-voltage corona discharge to generate plasma degradation impurities.
The pre-flushing and exhaust bubble time of the end cap during clinical use is shortened, and the pre-flushing efficiency is improved, ensuring efficient cleaning of the end cap during use.
Smart Images
Figure CN223085407U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dialyzer production, in particular to a corona treatment device for a dialyzer end cap. Background Art
[0002] The dialyzer is commonly known as an artificial kidney and has been widely used clinically; by performing hemodialysis, the lifespan of patients can be appropriately extended; a dialyzer usually includes hollow fibers, a housing, a sealing layer and an end cap; the PP end cap of the existing technology dialyzer is directly used without corona treatment after being injection molded, resulting in more impurities on the surface of the PP end cap. These impurities will cause more bubbles to be generated during the clinical use of the PP end cap, resulting in a longer time for pre-flushing and exhausting bubbles when the PP end cap is used clinically. In necessary cases, it is also necessary to pat with hands to assist in exhausting bubbles, reducing the pre-flushing efficiency of the end cap during clinical use. Content of the Utility Model
[0003] Aiming to solve at least one of the technical problems existing in the prior art, the utility model aims to provide a corona treatment device for a dialyzer end cap, which can perform corona treatment on the end cap, is beneficial to shortening the time for pre-flushing and exhausting bubbles when the end cap is used clinically, and improving the pre-flushing efficiency of the end cap during clinical use.
[0004] To achieve the above purpose, the utility model provides a corona treatment device for a dialyzer end cap, including a machine body, a waxing mechanism, a clamping mechanism and a corona treatment mechanism; the feeding mechanism is connected to the machine body and is used for conveying the end cap to a preset position; the clamping mechanism is connected to the machine body and is used for clamping the end cap at the preset position; the corona treatment mechanism is connected to the machine body and is used for performing corona treatment on the end cap on the clamping mechanism.
[0005] In some embodiments, the clamping mechanism includes a first driving member, a first mounting plate and a fixture. The first driving member is installed on the machine body, the first driving member is connected to the first mounting plate and is used for driving the first mounting plate to approach or move away from the feeding mechanism, and the fixture is installed on the first mounting plate and is used for clamping the end cap at the preset position.
[0006] In some embodiments, a plurality of the fixtures are installed on the first mounting plate.
[0007] In some embodiments, the corona treatment mechanism includes a corona generator, a second driving member, a bottom plate, a second mounting plate, and an electrode head. The corona generator is connected to the machine body. The second driving member is connected to the machine body and is located above the clamping mechanism. The bottom plate is connected to the lower end of the second driving member. The second driving member is used to drive the bottom plate to rise or fall. The second mounting plate is connected to the bottom plate. The electrode head is electrically connected to the corona generator. The electrode head is mounted on the mounting plate and is used to perform corona treatment on the end cap on the clamping mechanism.
[0008] In some embodiments, a plurality of the electrode heads are mounted on the second mounting plate.
[0009] In some embodiments, the corona treatment mechanism further includes a pulsed discharge detector. The pulsed discharge detector is connected to the machine body and is located above the electrode head.
[0010] In some embodiments, the machine body includes a frame and a plurality of protective plates. The protective plates are connected to the frame. A receiving groove is defined among the plurality of protective plates. The second driving member, the bottom plate, the second mounting plate, and the electrode head are all disposed in the receiving groove.
[0011] In some embodiments, an ozone discharge pipe is further included. The ozone discharge pipe is connected to the protective plate and is in communication with the interior of the receiving groove. The ozone discharge pipe is located above the electrode head.
[0012] In some embodiments, an ozone discharge pipe is further included. The ozone discharge pipe is connected to the mechanism and is located above the electrode head.
[0013] In some embodiments, a collection box is further included. The collection box is disposed below the clamping mechanism.
[0014] In some embodiments, a controller is further included. The feeding mechanism, the clamping mechanism, and the corona treatment mechanism are all electrically connected to the controller.
[0015] Compared with the prior art, the beneficial effects of the dialysis end cap corona treatment device according to the embodiment of the present invention are as follows: The end cap (especially the PP end cap) is conveyed to a preset position by the feeding mechanism. The end cap at the preset position is clamped and fixed by the clamping mechanism and is conveyed to the corona treatment position by the clamping mechanism. The end cap at the corona treatment position is subjected to corona treatment by the corona treatment mechanism. Through corona treatment, the original impurities on the surface of the end cap can be removed, which is beneficial to reducing the bubbles generated during the clinical use of the end cap, thereby being beneficial to shortening the time for pre-flushing and exhausting bubbles during the clinical use of the end cap and improving the pre-flushing efficiency during the clinical use of the end cap. Description of the Drawings
[0016] Figure 1 It is a schematic structural diagram of a corona treatment device for a dialyzer end cap provided by an embodiment of the present utility model;
[0017] Figure 2 It is a schematic structural diagram of a corona treatment device for a dialyzer end cap after omitting the protective plate provided by an embodiment of the present utility model;
[0018] Figure 3 It is a schematic structural diagram of a feeding mechanism and a clamping mechanism provided by an embodiment of the present utility model;
[0019] Figure 4 It is a schematic structural diagram of a corona treatment mechanism provided by an embodiment of the present utility model.
[0020] In the figure, 1. Machine body; 11. Frame; 12. Protective plate;
[0021] 2. Feeding mechanism; 21. Feeding channel;
[0022] 3. Clamping mechanism; 31. First driving member; 32. First mounting plate; 33. Fixture;
[0023] 4. Corona treatment mechanism; 41. Corona generator; 42. Second driving member; 43. Bottom plate; 44. Second mounting plate; 45. Electrode head; 46. Pulse discharge detector;
[0024] 5. Ozone discharge pipe;
[0025] 6. Collection box;
[0026] 7. Controller; 71. Host; 72. Control panel. Detailed implementation manners
[0027] The following combines the drawings and embodiments to further describe in detail the specific implementation manners of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.
[0028] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.
[0029] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features.
[0030] In the present utility model, unless otherwise clearly specified and defined, terms such as "installed", "connected", "joined", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0031] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "beneath" and "under" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.
[0032] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification, claims and drawings of this application are intended to cover non-exclusive inclusion.
[0033] Referring to "embodiment" in this application means that the specific features, structures or characteristics described in connection with the embodiment may be included in at least one embodiment of this application. The phrase appearing in various positions in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments.
[0034] As Figures 1-4 shown, a preferred corona treatment device for a dialyzer end cap according to an embodiment of the present utility model includes a machine body 1, a feeding mechanism 2, a clamping mechanism 3 and a corona treatment mechanism 4.
[0035] The feeding mechanism 2 is connected to the machine body 1 and is used to convey the end cap to a preset position; the clamping mechanism 3 is connected to the machine body 1 and is used to clamp the end cap at the preset position; the corona treatment mechanism 4 is connected to the machine body 1 and is used to perform corona treatment on the end cap on the clamping mechanism 3.
[0036] Based on this technical solution, the end cap (especially the PP end cap) is conveyed to the preset position by the feeding mechanism 2, the end cap at the preset position is clamped and fixed by the clamping mechanism 3 and the end cap is conveyed to the corona position by the clamping mechanism 3, and the end cap at the corona position is subjected to corona treatment by the corona treatment mechanism 4. Through corona treatment, the original impurities on the surface of the end cap can be removed, which is beneficial to reducing the bubbles generated during the clinical use of the end cap, thereby being beneficial to shortening the time for pre-flushing and exhausting bubbles during the clinical use of the end cap and improving the pre-flushing efficiency during the clinical use of the end cap.
[0037] The principle of corona treatment is to apply high-frequency high-voltage electricity to cause corona discharge, generating fine and dense purple-blue sparks. Under the action of a strong electric field, various plasmas generated after air ionization accelerate to impact the PP end cap at the corona position. These plasma particles can induce the cleavage of chemical bonds of the molecules on the surface of the PP end cap and degrade, thereby removing impurities such as oil stains, water vapor and dirt on the PP end cap.
[0038] The machine body 1 includes a frame 11 and a plurality of protection plates 12. The protection plates 12 are connected to the frame 11, and an accommodation groove 121 is formed among the plurality of protection plates 12. The feeding mechanism 2 and the clamping mechanism 3 are arranged in the accommodation groove 121.
[0039] The embodiment of the present utility model further includes a collection box 6 and a controller 7. The collection box 6 is arranged below the clamping mechanism 3 and is used to receive the end cap released from the clamping mechanism 3.
[0040] A dialysis end cap corona treatment device provided by the embodiment of the present utility model further includes a controller 7. The feeding mechanism 2, the clamping mechanism 3 and the corona treatment mechanism 4 are all electrically connected to the controller 7. The use of the controller 7 can realize the integration and automation of the feeding, clamping, corona treatment and release of the end cap, and improve the working efficiency.
[0041] Specifically, the vibrating disk of the feeding mechanism 2 is electrically connected to the controller 7, the first driving member 31 and the fixture 33 of the clamping mechanism 3 are both electrically connected to the controller 7, and the corona generator 41, the second driving member 42, the electrode head 45 and the pulse discharge detector 46 of the corona treatment mechanism 4 are all electrically connected to the controller 7.
[0042] In this embodiment, the controller 7 is a PLC controller 7.
[0043] Specifically, the PLC controller 7 includes a main unit 71 and a control panel 72. The main unit 71 is connected to the body 1, and the control panel 72 is connected to the body 1 and electrically connected to the main unit 71.
[0044] Specifically, the control panel 72 is connected to the protective plate 12.
[0045] In this embodiment, the feeding mechanism 2 is a vibrating disk feeding mechanism 2. The vibrating disk feeding mechanism 2 is a common feeding device, mainly used for quantitatively and directionally transporting and distributing end caps. Its working principle is that through the vibration of the vibrating disk, the end caps move along a specific trajectory in the disk, so as to realize the separation and arrangement of materials.
[0046] The vibrating disk feeding mechanism 2 provided by the embodiment of the present utility model includes a vibrating disk (not shown) and a feeding channel 21 connected to the vibrating disk. The clamping mechanism 3 is used for clamping the end caps on the feeding channel 21. Specifically, how the vibrating disk and the feeding channel 21 are connected and how the workpieces are transported to the preset position through the feeding channel 21 are prior arts and will not be elaborated here.
[0047] The clamping mechanism 3 includes a first driving member 31, a first mounting plate 32 and a fixture 33. The first driving member 31 is mounted on the body 1. The first driving member 31 is connected to the first mounting plate 32 and is used to drive the first mounting plate 32 to approach or move away from the feeding mechanism 2. The fixture 33 is mounted on the first mounting plate 32 and is used for clamping the end caps at the preset position.
[0048] In this embodiment, the first driving member 31 is a cylinder.
[0049] In some other embodiments, the first driving member 31 can also be an electric cylinder, a hydraulic cylinder, a linear guide rail or any other driving device that can realize the function of driving the first mounting plate 32 to approach or move away from the feeding mechanism 2, and will not be limited here.
[0050] A plurality of the fixtures 33 are mounted on the first mounting plate 32. Using a plurality of fixtures 33 can clamp multiple end caps at one time, so that the corona treatment mechanism 4 can perform corona treatment on multiple end caps at one time, improving work efficiency.
[0051] In this embodiment, the number of the first mounting plates 32 is two, and two fixtures 33 are mounted on each first mounting plate 32.
[0052] In some other embodiments, any number of fixtures 33, such as three, four, five, etc., can be mounted on each first mounting plate 32, and will not be limited here.
[0053] The corona treatment mechanism 4 includes a corona generator 41, a second driving member 42, a bottom plate 43, a second mounting plate 44, and an electrode head 45. The corona generator 41 is connected to the machine body 1. The second driving member 42 is connected to the machine body 1 and is located above the clamping mechanism 3. The bottom plate 43 is connected to the lower end of the second driving member 42. The second driving member 42 is used to drive the bottom plate 43 to rise or fall. The second mounting plate 44 is connected to the bottom plate 43. The electrode head 45 is electrically connected to the corona generator 41. The electrode head 45 is mounted on the second mounting plate 44 and is used to perform corona treatment on the end cap on the clamping mechanism 3.
[0054] In this embodiment, the second driving member 42, the bottom plate 43, the second mounting plate 44, and the electrode head 45 are all disposed in the accommodation groove 121.
[0055] The corona generator 41 is used to provide the required high voltage and high-frequency current for the electrode head 45, so that the electrode head 45 generates corona discharge.
[0056] In this embodiment, the second driving member 42 is an electric cylinder.
[0057] In some other embodiments, the second driving member 42 can also be any driving device such as a cylinder, a hydraulic cylinder, a linear guide rail, etc. that can drive the bottom plate 43 to rise or fall, and is not limited herein.
[0058] A plurality of the electrode heads 45 are mounted on the second mounting plate 44. Using a plurality of electrode heads 45 can perform corona treatment on multiple end caps at one time, improving work efficiency.
[0059] In this embodiment, the number of the second mounting plates 44 is two, and two electrode heads 45 are mounted on each second mounting plate 44.
[0060] In some other embodiments, any number of electrode heads 45 such as three, four, five, etc. can be mounted on each second mounting plate 44, and is not limited herein.
[0061] The corona treatment mechanism 4 further includes a pulse discharge detector 46. The pulse discharge detector 46 is connected to the machine body 1 and is located above the electrode head 45. Using the pulse discharge detector 46 can determine whether the end cap has been corona-treated according to the detected pulse value, and then distinguish between the treated and untreated end caps. The end caps that have been treated more will be released by the fixture 33 of the clamping mechanism 3 and put into the collection box 6. The untreated end caps will be left on the fixture 33 of the clamping mechanism 3 and an alarm signal will be generated. After the end cap is taken away, the machine will be restarted. Therefore, using the pulse discharge detector 46 can distinguish between good-quality end caps and defective end caps, improving the ex-factory quality of the end caps.
[0062] The discharge pulse quantity of the electrode head 45 is detected by the pulse discharge detector 46 to determine whether the end cap has been processed. This detection method has a low misjudgment rate.
[0063] The pulse discharge detector 46 is arranged in the accommodation groove 121.
[0064] The corona treatment device for the dialyzer end cap provided by the embodiment of the present utility model further includes an ozone discharge pipe 5. The ozone discharge pipe 5 is connected to the machine body 1 and is located above the electrode head 45. Through the ozone discharge pipe 5, the ozone generated during the corona treatment of the end cap by the electrode head 45 can be discharged, reducing the ozone content in the corona treatment device for the dialyzer end cap.
[0065] Specifically, the ozone discharge pipe 5 is connected to the protection plate 12 and is communicated with the inside of the accommodation groove 121.
[0066] In this embodiment, the number of the ozone discharge pipes 5 is two.
[0067] In some other embodiments, the number of the ozone discharge pipes 5 can also be any number such as one, three, four, etc., which is not limited herein.
[0068] The working process of the present utility model is as follows: The end cap is placed on the feeding mechanism 2, and the feeding mechanism 2 transports the end cap to a preset position through the feeding channel 21; the first driving member 31 of the clamping mechanism 3 drives the clamp 33 to approach the feeding channel 21 of the feeding mechanism 2 through the first mounting plate 32, and the clamp 33 clamps and fixes the end cap at the preset position; the first driving member 31 drives the clamp 33 to move and moves the end cap to the corona position (it is also possible to make the preset position coincide with the corona position, that is, after the clamp 33 clamps and fixes the end cap, the first driving member 31 does not drive the clamp 33 to move); the second driving member 42 of the corona treatment mechanism 4 drives the electrode head 45 to approach the clamp 33 through the bottom plate 43 and the second mounting plate 44. When the electrode head 45 moves to the position corresponding to the corona position, the corona generator 41 provides the required high voltage and high-frequency current for the electrode head 45, and the electrode head 45 discharges to the end cap on the clamp 33 to corona-treat the end cap; the pulse discharge detector 46 determines whether the end cap has been corona-treated by the electrode head 45 according to the detected pulse value, and then distinguishes the processed and unprocessed end caps. The processed end cap will be loosened by the clamp 33 of the clamping mechanism 3 and put into the collection box 6, and the unprocessed end cap will remain on the clamp 33 of the clamping mechanism 3 and an alarm signal will be generated. After the end cap is taken away, the machine will be restarted.
[0069] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and substitutions can be made, and these improvements and substitutions should also be regarded as the protection scope of the present utility model.
Claims
1. A corona treatment device for a dialyzer end cap, characterized in that, Comprising: Machine body (1); Feeding mechanism (2), the feeding mechanism (2) is connected to the machine body (1) and is used for conveying the end cap to a preset position; Clamping mechanism (3), the clamping mechanism (3) is connected to the machine body (1) and is used for clamping the end cap at the preset position; Corona treatment mechanism (4), the corona treatment mechanism (4) is connected to the machine body (1) and is used for corona-treating the end cap on the clamping mechanism (3).
2. The corona treatment device for the dialyzer end cap according to claim 1, wherein, The clamping mechanism (3) includes a first driving member (31), a first mounting plate (32) and a fixture (33), the first driving member (31) is installed on the machine body (1), the first driving member (31) is connected to the first mounting plate (32) and is used for driving the first mounting plate (32) to approach or move away from the feeding mechanism (2), and the fixture (33) is installed on the first mounting plate (32) and is used for clamping the end cap at the preset position.
3. The corona treatment device for the dialyzer end cap according to claim 2, characterized in that, A plurality of the fixtures (33) are installed on the first mounting plate (32).
4. The corona treatment device for the dialyzer end cap according to claim 1, characterized in that, The corona treatment mechanism (4) includes a corona generator (41), a second driving member (42), a bottom plate (43), a second mounting plate (44) and an electrode head (45), the corona generator (41) is connected to the machine body (1), the second driving member (42) is connected to the machine body (1) and is located above the clamping mechanism (3), the bottom plate (43) is connected to the lower end of the second driving member (42), the second driving member (42) is used for driving the bottom plate (43) to rise or fall, the second mounting plate (44) is connected to the bottom plate (43), the electrode head (45) is electrically connected to the corona generator (41), and the electrode head (45) is installed on the second mounting plate (44) and is used for corona-treating the end cap on the clamping mechanism (3).
5. The corona treatment device for the dialyzer end cap according to claim 4, wherein A plurality of the electrode heads (45) are installed on the second mounting plate (44).
6. The corona treatment device for the dialyzer end cap according to claim 4, characterized in that, The corona treatment mechanism (4) further includes a pulse discharge detector (46), the pulse discharge detector (46) is connected to the machine body (1) and is located above the electrode head (45).
7. The corona treatment device for a dialyzer end cap according to claim 4, wherein, The machine body (1) includes a frame (11) and a plurality of protective plates (12), the protective plates (12) are connected to the frame (11), and an accommodation groove (121) is formed among the plurality of protective plates (12), and the second driving member (42), the bottom plate (43), the second mounting plate (44) and the electrode head (45) are all arranged in the accommodation groove (121).
8. The corona treatment device for a dialyzer end cap according to claim 7, wherein, It further includes an ozone discharge pipe (5), the ozone discharge pipe (5) is connected to the protective plate (12) and is communicated with the inside of the accommodation groove (121), and the ozone discharge pipe (5) is located above the electrode head (45).
9. The corona treatment device for the dialyzer end cap according to claim 1, characterized in that, It further includes a collection box (6), and the collection box (6) is arranged below the clamping mechanism (3).
10. The corona treatment device for the dialyzer end cap according to claim 1, characterized in that, It further includes a controller (7), and the feeding mechanism (2), the clamping mechanism (3) and the corona treatment mechanism (4) are all electrically connected to the controller (7).