Dialyzer drying apparatus

Abstract

The application discloses a dialyzer drying equipment, which comprises a rotary driving device, an air inlet device, an air outlet device, a product clamping device and a reversing device; the rotary driving device comprises a floor stand, a rotary frame and a power assembly; the air inlet device is connected with a gas distribution pipe group through a rotary joint to realize gas supply assembly and gas distribution pipe group connection, the air outlet device is also connected with a current pipe group and an air outlet pipe through a rotary joint, the gas distribution pipe group and the current pipe group are synchronously rotated with the rotary frame; a plurality of clamping modules of the product clamping device are distributed in a circle around the center of the rotary frame, the clamping module can realize clamping and sealing connection of the dialyzer, and is connected with the gas distribution pipe group and the current pipe group respectively; the reversing device comprises two sets of reversing mechanisms which are distributed above and below, and can realize reversing operation of the dialyzer drying process. The application adopts a rotary station mode, can significantly improve the yield, controls the heater power through the number of stations to realize energy saving and consumption reduction, and the reversing function can reduce the product drying time, and optimize the product drying efficiency and quality.

Description

Technical Field

[0001] This invention relates to the technical field of drying equipment, and specifically to a dialyzer drying device. Background Technology

[0002] Hemodialysis machines are key medical devices for treating patients with uremia and end-stage acute and chronic renal failure. Their working principle involves exchanging substances between blood and dialysate through a semi-permeable membrane to remove metabolic waste products from the body. During the production process, the dialyzer undergoes rigorous performance testing, with water testing being a crucial step. This water test verifies the integrity of the fiber membrane. After the water test, the fiber membrane bundles inside the dialyzer are fully wetted and must be dried before proceeding to the next stage.

[0003] However, existing drying equipment generally adopts a fixed-station design, which not only occupies a lot of space, but also has a limited number of stations, long waiting time for loading and unloading, poor production continuity, and insufficient utilization of the drying medium. Therefore, it is impossible to achieve batch, efficient and green production. If you want to increase production capacity, you need to configure multiple machines, which is not only costly, but also limited by space, and the overall production layout is difficult to optimize. Therefore, the current hemodialysis machine drying process has obvious shortcomings in terms of efficiency, consistency and equipment integration. There is an urgent need to develop a drying technology and equipment that can achieve batch processing, continuous operation, save space and is highly energy efficient, so as to improve production efficiency, ensure product quality and reduce production costs. Summary of the Invention

[0004] To address the shortcomings of traditional dialyzer drying equipment, such as limited capacity, uneven drying, high energy consumption, and inability to operate continuously, this invention discloses a dialyzer drying device that employs a rotating station design, significantly increasing output; it achieves energy saving and consumption reduction by controlling heater power through the number of stations; and it optimizes product drying efficiency and quality by reducing product drying time through a reversing function. Therefore, this invention possesses multiple technical advantages, including high output and efficiency, superior drying quality, and energy saving and consumption reduction.

[0005] The specific details are as follows: A dialyzer drying device, comprising: A rotation drive device includes a floor support, a rotating frame rotatably mounted on the floor support, and a power component for driving the rotating frame to rotate. An air intake device includes an air supply component and an air distribution pipe assembly mounted on a rotating frame. The air distribution pipe assembly is connected to the air supply component via a first rotary joint, and the rotation axis of the first rotary joint is coaxial with the rotation axis of the rotating frame. The air distribution pipe assembly rotates synchronously with the rotating frame. An exhaust device includes an exhaust pipe and a manifold assembly installed on a distribution pipe assembly. The manifold assembly is connected to the exhaust pipe via a second rotary joint, and the second rotary joint rotates coaxially with the first rotary joint. The manifold assembly also rotates synchronously with the rotating frame. The product clamping device includes multiple clamping modules, all of which are mounted on the rotating frame and are circumferentially distributed around the rotation axis of the rotating frame. Each clamping module includes a base plate mounted on the rotating frame and multiple positioning components mounted on the base plate. Each positioning component includes a clamping mechanism for clamping the dialyzer, an upper sealing cap and a lower sealing cap for sealing the two blood chamber ports of the dialyzer, and an upper sealing seat and a lower sealing seat for sealing the two dialysis ports of the dialyzer. The upper sealing cap and the upper sealing seat are both connected to the gas distribution pipe assembly, and the lower sealing cap and the lower sealing seat are both connected to the manifold assembly.

[0006] Preferably, the power assembly includes a drive gear horizontally rotatably mounted on a floor support, a drive motor connected to and driving the drive gear through a reducer, the rotating frame being horizontally rotatably mounted on the floor support via a turntable bearing, the turntable bearing being coaxial with the first rotary joint, the drive gear meshing with the outer ring teeth of the turntable bearing to form a gear transmission, and the drive gear rotating to drive the rotating frame to rotate horizontally on the floor support via the turntable bearing.

[0007] Preferably, the air supply assembly includes an air heater and an air filter. The air heater's inlet is connected to an air inlet pipe, and the air inlet pipe is equipped with a first pressure sensor to detect the internal gas pressure. The air heater's outlet is connected to the air filter's inlet, and the air filter's outlet is connected to a delivery pipe. The delivery pipe is equipped with a second pressure sensor, a flow meter, and a temperature sensor, respectively used to detect the internal gas pressure, flow rate, and temperature. The delivery pipe is connected to an installation pipe via a soft first braided tube, and the installation pipe is connected to the first rotary joint.

[0008] Preferably, the gas distribution pipe assembly includes a main gas distribution pipe mounted on the rotating frame and a multi-port air inlet connector connected to the first rotary joint. The remaining interfaces of the multi-port air inlet connector are all connected to the main gas distribution pipe through a soft second braided tube. The main gas distribution pipe is connected to a plurality of sub-gas distribution pipes located above the rotating frame and a plurality of sub-gas distribution pipes located below the rotating frame. The sub-gas distribution pipes are connected to the upper sealing cap and upper sealing seat on the corresponding clamping module through air inlet hoses, and an air inlet solenoid valve for controlling its on / off state is connected to the air inlet hose.

[0009] Preferably, the manifold assembly includes a main manifold installed on the main air distribution pipe and a multi-port exhaust connector connected to the second rotary joint. The remaining interfaces of the multi-port exhaust connector are all connected to the main manifold. The multi-port exhaust connector is located above the multi-port air inlet connector. The main manifold is connected to multiple sub-manifolds located above and below the rotating frame. The sub-manifolds are connected to the lower sealing cap and lower sealing seat on the corresponding clamping module through exhaust hoses. A one-way valve is connected in series on the exhaust hose to prevent condensate in the sub-manifolds from flowing back into the exhaust hose. An electric slip ring and a gas slip ring, both coaxial with the second rotary joint, are installed on the exhaust pipe.

[0010] Preferably, each of the sub-manifolds located below the rotating frame is equipped with a drain pipe, and a drain solenoid valve for controlling its on / off state is connected in series on the drain pipe. A photoelectric sensor is also provided on the side of the drain solenoid valve. A water collection tank is provided on the floor support for collecting the condensate discharged from the drain pipe, and a sensing plate for use with the aforementioned photoelectric sensor is provided above the water collection tank.

[0011] Preferably, the rotating frame is fixed with a circular tabletop arranged circumferentially around its rotation axis. The clamping modules are installed on the tabletop, and multiple clamping modules are divided into upper and lower corresponding parts with the tabletop as the boundary. The clamping modules in each part are distributed in a cylindrical shape connected end to end. The clamping modules in the upper part of the tabletop are connected to the corresponding sub-gas distribution pipe and sub-manifold above the rotating frame, and the clamping modules in the lower part of the tabletop are connected to the corresponding sub-gas distribution pipe and sub-manifold below the rotating frame.

[0012] Preferably, it also includes a reversing device disposed outside the product clamping device. The reversing device is used to change the direction of the dialyzer on the product clamping device. The reversing device includes two sets of reversing mechanisms that are distributed vertically and are both mounted on the reversing frame. The two sets of reversing mechanisms correspond to the clamping modules on the upper and lower parts of the tabletop, respectively. The reversing mechanism includes a base plate mounted on a reversing frame, a sliding plate horizontally slidably mounted on the base plate, and a drive shaft horizontally rotatably mounted on the sliding plate. A linear cylinder is connected to the sliding plate to drive its reciprocating sliding. One end of the drive shaft is connected to a reversing motor to drive its rotation, and the other end of the drive shaft is connected to a reversing gripper. The reversing gripper includes a mounting plate connected to the drive shaft and a floating plate slidably mounted on the mounting plate. Multiple gripper cylinders are mounted on the floating plate. Each of the two drive components of the gripper cylinders is equipped with a gripper for gripping the dialyzer. Both ends of the mounting plate are provided with positioning blocks. A guide rod that slides and rotates in the same direction as the sliding of the floating plate is slidably mounted on the positioning blocks. One end of the guide rod is connected to the floating plate, and a spring is fitted on the guide rod to support the floating plate and the positioning block.

[0013] Preferably, the clamping mechanism includes a positioning seat, a pressing block, a rotary lifting cylinder, a first cylinder, and a second cylinder, all mounted on the base plate. The upper sealing cap is mounted on the first cylinder that drives its movement, and the lower sealing cap is mounted on the second cylinder that drives its movement. The pressing block is L-shaped, with one end connected to the rotary lifting cylinder that drives its movement. The dialyzer is positioned on the positioning seat, and the rotary lifting cylinder drives the pressing block to press the dialyzer tightly. The two dialysate ports of the dialyzer are inserted into the upper and lower sealing seats respectively, so as to seal and connect the dialysate chambers of the dialyzer with the corresponding sub-gas supply tubes and sub-manifolds respectively. Under the drive of the corresponding cylinders, the upper and lower sealing caps are respectively sealed and pressed onto the two blood chamber ports of the dialyzer, so as to seal and connect the blood chambers of the dialyzer with the corresponding sub-gas supply tubes and sub-manifolds respectively.

[0014] Preferably, the positioning seat is provided with an arc groove that matches the contour of the dialyzer housing. The inlet of the arc groove is funnel-shaped, and the minimum spacing of the funnel-shaped inlet is 0.5 mm to 1 mm smaller than the outer diameter of the dialyzer housing. The upper sealing cap is located above the lower sealing cap, and the upper sealing seat is located above the lower sealing seat. The lower sealing cap is also connected to an exhaust adapter pipe, which is connected to a corresponding exhaust hose. A Y-type oblique tee connector is also connected in series on the exhaust adapter pipe, and a temperature detection probe for detecting the exhaust temperature inside the tube is installed at one end of the oblique tee connector.

[0015] The beneficial effects of this invention are: Firstly, this invention adopts a coaxial rotary integrated structure, relying on two coaxial rotary joints and a rotating frame for operation. It also employs a circumferentially distributed upper and lower double-layer clamping module layout, allowing for the simultaneous clamping of large batches of dialyzers for drying, significantly increasing the number of drying stations and production capacity per cycle. This rotary operation mode supports uninterrupted equipment operation, allowing workers to complete product loading and unloading operations while the equipment is drying, eliminating the need for machine downtime and enabling continuous production in a streamlined manner. This effectively improves overall production efficiency and meets the needs of large-scale industrial production.

[0016] Secondly, the present invention is equipped with two sets of independent reversing mechanisms, which can perform reversing operations on dialyzers with double-layer clamping positions. During the drying process, the dialyzer is precisely reversed, which can eliminate the dead corners caused by unilateral hot air drying. This allows the blood chamber and dialysate chamber of the dialyzer to be in full and uniform contact with the hot air flow, thoroughly improving the problems of local water accumulation, incomplete drying, and uneven drying. It significantly improves the uniformity of drying and the yield of finished products, and greatly improves the overall drying quality and efficiency of the dialyzer.

[0017] Furthermore, this invention can adaptively adjust the heating power of the air heater according to real-time operating conditions, such as the number of workstations actually engaged and the actual drying time. This eliminates the energy consumption drawbacks of constant power heating in traditional equipment, achieves on-demand heating, effectively reduces energy loss during idle or low-workstation operation, significantly improves the utilization rate of thermal and electrical energy, achieves energy saving and consumption reduction, and effectively reduces equipment production and operating costs. Attached Figure Description

[0018] Figure 1 This is a top view of the overall structure of the drying equipment in an embodiment of the present invention; Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure after removing the outer frame and the unloading robot; Figure 3 for Figure 2 Remove the reversing frame and retain the main view after the upper and lower clamping modules are installed; Figure 4 for Figure 3 A schematic diagram showing the pipeline connection between the central clamping module and the sub-manifold and sub-gas distribution pipe; Figure 5 for Figure 3 Schematic diagram showing the installation position relationship between the central air intake device and the rotary drive device; Figure 6 for Figure 5 A three-dimensional structural diagram of the central air intake device; Figure 7 for Figure 3 A three-dimensional structural diagram of the central exhaust device installed on the gas distribution pipe assembly; Figure 8 for Figure 7 A three-dimensional structural diagram of the central exhaust device; Figure 9 for Figure 8 Enlarged diagram of A in the middle; Figure 10 for Figure 3 A three-dimensional structural diagram of the central desktop mounted on the rotary drive device; Figure 11 for Figure 10 A schematic diagram of the 3D structure after removing the rotating frame and desktop; Figure 12 for Figure 3 A three-dimensional structural diagram of the mid-clamping module; Figure 13 for Figure 12 A cross-sectional view of the positioning components in the dialyzer sealing and clamping. Figure 14 for Figure 13 Enlarged diagram of B in the middle; Figure 15 for Figure 2 A three-dimensional structural diagram of the reversing mechanism; Figure 16 for Figure 15 Front view of the reversing gripper; Explanation of the numbers in the diagram: 101, Floor stand; 102, Turntable bearing; 103, Rotating frame; 104, Desktop; 105, Drive gear; 106, Drive motor; 2001, Air supply assembly; 201, Inlet pipe; 202, First pressure sensor; 203, Air heater; 204, Air filter; 205, Delivery pipe; 206, Second pressure sensor; 207, Flow meter; 208, Temperature sensor; 209, First braided hose; 210, Mounting pipe; 2002, Air distribution pipe assembly; 211, First rotary joint; 212, Multi-port inlet joint; 213, ... 214. Braided tubing; 215. Main air distribution pipe; 216. Sub-air distribution pipe; 217. Air intake interface; 218. Air intake solenoid valve; 219. Air intake hose; 220. T-joint; 301. First fixing component; 220. Second fixing component; 301. Exhaust device; 302. Exhaust pipe; 303. Electric slip ring; 304. Gas slip ring; 305. Second rotary joint; 306. Multi-port exhaust joint; 307. Manifold assembly; 308. Main manifold; 309. Sub-manifold; 301. Exhaust interface; 302. Check valve; 303. Exhaust hose; 310. Drain pipe; 311. 312. Drain solenoid valve; 313. Photoelectric sensor; 314. Water collection tank; 405. Sensing element; 406. Product clamping device; 407. Clamping module; 408. Base plate; 409. First cylinder; 4000. Upper sealing cap; 4001. Upper sealing seat; 401. Second cylinder; 402. Lower sealing cap; 403. Exhaust pipe; 404. Angled tee connector; 405. Temperature detection probe; 416. Lower sealing seat; 417. Positioning seat; 418. Rotary lifting cylinder; 419. Clamping block; 410. First sealing ring; 411. Second sealing ring; 501. Reversing frame 500. Reversing mechanism; 502. Base plate; 503. Sliding plate; 504. Linear cylinder; 505. Drive shaft; 506. Reversing motor; 507. Mounting plate; 508. Floating plate; 509. Gripper cylinder; 510. Gripper; 511. Positioning block; 512. Guide rod; 513. Spring; 514. Shim; 515. First guide rail; 516. First slider; 517. Second guide rail; 518. Second slider; 600. Dialyzer; 601. Blood chamber opening; 602. Dialysis port; 700. Outer frame; 701. Feeding area; 800. Unloading robot. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments described are not intended to limit the present invention.

[0020] Example, refer to Figures 1 to 16 As shown, a dialyzer drying device includes a rotary drive unit, an air inlet and an exhaust unit 300 installed at the center of the rotary drive unit, a product clamping device 400 distributed circumferentially around the edge of the rotary drive unit, a reversing device and a unloading robot 800 disposed on the side of the product clamping device 400. The entire rotary drive unit is further surrounded by a safety frame 700, which is connected to the reversing frame 501 of the reversing device. The outer frame 700 has a loading area 701 for worker operation. The unloading robot 800 is located between the loading area 701 and the reversing device. The overall layout of the device is as follows. Figure 1 As shown, the product clamping device 400 moves in the direction of motion on the rotary drive device as follows: Figure 1 As shown by the arrow in the image, that is... Figure 1 The rotation is counterclockwise when the reference position is used.

[0021] The equipment of this invention adopts a coaxial rotary structure with a double-layer circular workstation layout, which can simultaneously dry a large number of dialyzers, significantly increasing the single-batch capacity. At the same time, the rotary operation can achieve continuous production without stopping the machine, and supports the simultaneous operation of drying and loading / unloading processes, effectively improving the overall production efficiency. The equipment is also equipped with a dedicated reversing device, which can automatically reverse the dialyzers during the drying process, eliminating drying dead zones and ensuring that the dialyzer chamber is heated and aired evenly, effectively solving the problems of incomplete drying and uneven drying, and significantly improving drying quality and efficiency. In addition, the equipment can adaptively adjust the heating power of the heater according to the actual number of workstations, realizing on-demand heating, avoiding energy waste caused by constant power heating, effectively improving energy utilization, achieving energy saving and consumption reduction, and reducing production and operating costs.

[0022] The rotation drive device includes a floor support 101, a rotating frame 103 horizontally rotatably mounted on the floor support 101, and a power component for driving the rotating frame 103 to rotate. A circular tabletop 104, arranged circumferentially around its rotation axis, is fixed on the rotating frame 103. The power component includes a drive gear 105 horizontally rotatably mounted on the floor support 101 and a drive motor 106 connected to and driving the drive gear 105 via a reducer. The rotating frame 103 is horizontally rotatably mounted on the floor support 101 via a turntable bearing 102. The rotating frame 103 achieves horizontal rotation via the turntable bearing 102, and the hollow space in the middle of the turntable bearing 102 facilitates the passage of corresponding pipes. The drive gear 105 meshes with the outer ring teeth of the turntable bearing 102 to form a gear transmission. The drive motor 106 drives the drive gear 105 to rotate via the reducer, and the drive gear 105 drives the turntable bearing 102 and the rotating frame 103 to rotate horizontally on the floor support 101.

[0023] The air intake device includes an air supply assembly 2001 integrally arranged within the reversing frame 501 and an air distribution pipe assembly 2002 mounted on the rotating frame 103. The air supply assembly 2001 includes an air heater 203 for heating the air and an air filter 204 for filtering the air to ensure the cleanliness of the hot air used for drying. The air inlet of the air heater 203 is connected to an air intake pipe 201, which is connected to an external air passage. A manual butterfly valve is installed on the air intake pipe 201 to facilitate closing the entire air passage during downstream pipeline maintenance. A first pressure sensor 202 is installed on the air intake pipe 201 to detect the internal gas pressure. The air outlet of the air heater 203 is connected to the air inlet of the air filter 204. The outlet of filter 204 is connected to a delivery pipe 205. The delivery pipe 205 is equipped with a second pressure sensor 206, a flow meter 207, and a temperature sensor 208, which are used to detect the internal gas pressure, flow rate, and temperature, respectively. The two pressure sensors monitor the pressure difference range before and after the pipe in the gas supply assembly 2001, which is convenient for early warning. The flow meter 207 is used to detect the air flow rate in the pipe, and the temperature sensor 208 is used to detect the air temperature in the pipe, which is convenient for controlling the heating power of the heater. The delivery pipe 205 is connected to the installation pipe 210 through a soft first braided tube 209. The braided tube reduces the requirement for concentric installation and compensates for the error of pipe splicing. The installation pipe 210 is connected to the gas distribution pipe group 2002 through a first rotary joint 211. The air supply component 2001 can adaptively adjust the heating power of the air heater 203 according to real-time operating conditions, such as the number of workstations actually engaged and the actual drying time. This eliminates the energy consumption drawbacks of constant power heating in traditional equipment, achieves on-demand heating, effectively reduces energy loss during idle or low-workstation operation, significantly improves the utilization rate of thermal and electrical energy, achieves energy saving and consumption reduction, and effectively reduces equipment production and operating costs.

[0024] The gas distribution pipe assembly 2002 includes a main gas distribution pipe 214, a sub-gas distribution pipe 215, a multi-port air inlet connector 212, and a second braided pipe 213. The main gas distribution pipe 214 is a regular quadrilateral shape and is horizontally fixed above the rotating frame 103 by multiple first fixing members 219. The first rotary joint 211 is coaxially arranged with the turntable bearing 102. The multi-port air inlet joint 212 is a five-way pipe with one of its interfaces facing vertically downward and coaxially connected to the upper end of the first rotary joint 211. The lower end of the first rotary joint 211 is coaxially connected to the end of the aforementioned mounting pipe 210. Therefore, the main gas distribution pipe 214 can rotate synchronously with the rotating frame 103 without affecting gas flow. The remaining interfaces of the multi-port air inlet joint 212 are connected to all four sides of the main gas distribution pipe 214 through soft second braided tubing 213. The braided tubing reduces the requirement for concentric installation and compensates for errors in pipe splicing. Each side of the main gas distribution pipe 214 is connected to two horizontal sub-gas distribution pipes 215 located above and below the rotating frame 103, respectively. Figure 6 As shown; the sub-gas distribution pipe 215 above the rotating frame 103 is connected to the clamping module 4001 on the upper layer of the tabletop 104, and the sub-gas distribution pipe 215 below the rotating frame 103 is connected to the clamping module 4001 on the lower layer of the tabletop 104. Each sub-gas distribution pipe 215 is equipped with 27 air inlet ports 2151, which can be adjusted appropriately according to actual conditions. Each air inlet port 2151 is connected to a three-way pipe 218. The other two ports of the three-way pipe 218 are connected to air inlet solenoid valves 216 for controlling the on / off state. The two air inlet solenoid valves 216 on the same three-way pipe 218 are connected to the blood chamber port 601 and the dialysis port 602 of the same dialyzer 600 respectively through air inlet hoses 217. That is, the two air inlet solenoid valves 216 on the same three-way pipe 218 are connected to the upper sealing cap 403 and the upper sealing seat 404 on the same positioning assembly respectively through air inlet hoses 217. Figure 4 As shown in the figure, this diagram only illustrates the connection between the sub-gas distribution pipe 215 above the rotating frame 103 and the clamping module 4001 on the upper layer of the desktop 104. The connection between the sub-gas distribution pipe 215 below the rotating frame 103 and the clamping module 4001 on the lower layer of the desktop 104 is the same. Figure 4 As shown, no further details will be displayed.

[0025] like Figure 4 and Figure 6 As shown, after being heated by the air heater 203 and filtered by the air filter 204, the air enters the multi-port air inlet 212 and the main air distribution pipe 214 through the delivery pipe 205 and the first rotary joint 211. The heated clean air is then distributed to each sub-air distribution pipe 215 through the main air distribution pipe 214, and then enters the dialyzer 600 through the three-way pipe 218, the open air inlet solenoid valve 216 and the air inlet hose 217, and finally enters the dialyzer 600 through the upper sealing seat 404 and the upper sealing cap 403.

[0026] The exhaust device 300 includes an exhaust pipe 301, a multi-port exhaust connector 305, a second rotary connector 304, a main manifold 306, and a sub-manifold 307; The main manifold 306 is a square shape and is horizontally fixed above the main distribution pipe 214 by multiple first fixing members 219. That is, the first fixing members 219 simultaneously fix the main distribution pipe 214 and the main manifold 306 on the rotating frame 103. The second rotary joint 304 is coaxially arranged with the first rotary joint 211. The multi-port exhaust joint 305 is a four-way pipe with one of its interfaces vertically upwards and coaxially connected to the lower end of the second rotary joint 304. The multi-port exhaust joint 305 is connected to the multi-port intake joint 212 by multiple second fixing members 220. The upper end of the rotary joint 304 is coaxially connected to the end of the exhaust pipe 301, so the main manifold 306 can rotate synchronously with the main distribution pipe 214 and the rotating frame 103 without affecting the gas flow. The exhaust pipe 301 is equipped with an electric slip ring 302 and a pneumatic slip ring 303, both coaxial with the second rotary joint 304. The electric slip ring 302 and the pneumatic slip ring 303 connect the external electrical circuit and the gas path to the inside of the equipment, respectively, to supply power and gas to the equipment. The lower interface of the multi-port exhaust joint 305 is connected to a removable plug for easy drainage and maintenance. The other two interfaces of the head 305 are directly connected to the two opposite sides of the main manifold 306. Each side of the main manifold 306 is connected to two horizontal sub-manifolds 307 located above and below the rotating frame 103, respectively. The sub-manifolds 307 above the rotating frame 103 are connected to the clamping module 4001 on the upper layer of the desktop 104, and the sub-manifolds 307 below the rotating frame 103 are connected to the clamping module 4001 on the lower layer of the desktop 104. Each sub-manifold 307 is provided with 27 exhaust ports 3071, which can be adjusted according to actual needs. With appropriate adjustments, the vent port 3071 is positioned on the side above or top of the sub-manifold 307 to prevent water accumulation and backflow. Each vent port 3071 is connected to a one-way valve 308, which prevents condensate in the sub-manifold 307 from flowing back into the vent hose 309. Each one-way valve 308 is connected to the blood chamber port 601 and dialysis port 602 of the same dialyzer 600 via the vent hose 309. In other words, each one-way valve 308 is connected to the lower sealing cap 406 and lower sealing seat 410 on the same positioning assembly via the vent hose 309. Figure 4 As shown in the figure, this diagram only illustrates the connection relationship between the sub-manifold 307 above the rotating frame 103 and the clamping module 4001 on the upper layer of the desktop 104. The connection relationship between the sub-manifold 307 below the rotating frame 103 and the clamping module 4001 on the lower layer of the desktop 104 is the same. Figure 4 As shown, no further details will be displayed.

[0027] Each sub-manifold 307 located below the rotating frame 103 is equipped with a drain pipe 310 for draining condensate from the sub-manifold 307. A drain solenoid valve 311 is connected in series to the drain pipe 310 to control its opening and closing. A photoelectric sensor 312 is also provided on the side of the drain solenoid valve 311. A water collection tank 313 is provided on the floor support 101 to collect the condensate discharged from the drain pipe 310. A sensing element 314 is provided above the water collection tank 313 to cooperate with the photoelectric sensor 312. During operation, the photoelectric sensor 312 rotates with the rotating frame 103. When the photoelectric sensor 312 senses the sensing element 314, the drain pipe 310 is facing the water collection tank 313, and then the drain solenoid valve 311 is automatically opened to automatically drain the condensate from the sub-manifold 307. When the photoelectric sensor 312 does not sense the sensing element 314, the drain solenoid valve 311 is automatically closed, realizing automatic drainage without affecting the operation of the entire equipment.

[0028] The product clamping device 400 includes 72 clamping modules 4001 mounted on the desktop 104 and arranged in a circular pattern. The desktop 104 is also used to install other control modules such as solenoid valves. The 72 clamping modules 4001 are divided into upper and lower parts with the desktop 104 as the boundary. Each part has 36 clamping modules 4001 arranged in a cylindrical shape with the ends connected. The entire cylindrical clamping module 4001 rotates around the rotation axis of the rotating frame 103. The rotating frame 103 rotates 10 degrees each time. The clamping modules 4001 in the upper part of the desktop 104 are connected to the corresponding sub-gas distribution pipe 215 and sub-manifold 307 above the rotating frame 103. The clamping modules 4001 in the lower part of the desktop 104 are connected to the corresponding sub-gas distribution pipe 215 and sub-manifold 307 below the rotating frame 103.

[0029] The clamping module 4001 includes a base plate 401 vertically mounted on a tabletop 104 and three positioning components mounted on the base plate 401. Each positioning component vertically clamps one dialyzer 600. Therefore, the clamping modules 4001 on the upper and lower parts of the tabletop 104 can clamp 108 dialyzers 600 simultaneously, and the entire device can clamp 216 dialyzers 600 simultaneously. The positioning components include a clamping mechanism for clamping the dialyzer 600, an upper sealing cap 403 and a lower sealing cap 406 for sealing the connection between the two blood chamber ports 601 of the dialyzer 600, and an upper sealing seat 404 and a lower sealing seat 410 for sealing the connection between the two dialysis ports 602 of the dialyzer 600. The upper sealing cap 403 and the upper sealing seat 404 are both connected to the gas distribution tube assembly 2002, and the lower sealing cap 406 and the lower sealing seat 410 are both connected to the manifold assembly 3001.

[0030] The clamping mechanism includes a positioning seat 412, a clamping block 414, a rotary lifting cylinder 413, a first cylinder 402, and a second cylinder 405, all mounted on the base plate 401. The upper sealing cap 403 is mounted on the first cylinder 402, which drives its movement, and the lower sealing cap 406 is mounted on the second cylinder 405, which drives its movement. The clamping block 414 is L-shaped, and one end of it is connected to the rotary lifting cylinder 413, which drives its movement. The dialyzer 600 is positioned on the positioning seat 412, and the rotary lifting cylinder 413 drives the clamping block. Block 414 presses the dialyzer 600 tightly, and the two dialysate ports 602 of the dialyzer 600 are inserted into the upper sealing seat 404 and the lower sealing seat 410 respectively, so as to seal and connect the dialysate chamber of the dialyzer 600 with the corresponding sub-gas supply tube 215 and sub-manifold 307 respectively. Under the drive of the corresponding cylinder, the upper sealing cap 403 and the lower sealing cap 406 respectively seal and press onto the two blood chamber ports 601 of the dialyzer 600, so as to seal and connect the blood chamber of the dialyzer 600 with the corresponding sub-gas supply tube 215 and sub-manifold 307 respectively.

[0031] In one specific embodiment, two positioning seats 412 are arranged vertically and vertically. Each positioning seat 412 has an arc groove that matches the contour of the dialyzer 600 housing. The entrance of the arc groove is funnel-shaped, and the minimum distance between the funnel-shaped entrances is 0.5mm to 1mm smaller than the outer diameter of the dialyzer 600 housing, preferably 0.7mm. In this way, the dialyzer 600 can be clamped onto the positioning seat 412 by interference fit. During loading, unloading, and reversing, the dialyzer 600 will not easily fall off. There are also two clamping blocks 414 arranged vertically and vertically, and the two positioning seats 412 are located between the two clamping blocks 414. The upper clamping block 414 swings upward and the lower clamping block 414 swings downward, so that the space between the two clamping blocks 414 is sufficient for a robot or manual to perform loading, unloading, or reversing operations.

[0032] The upper sealing cap 403 is located above the lower sealing cap 406, and the upper sealing seat 404 is located above the lower sealing seat 410, allowing hot air to flow from top to bottom inside the dialyzer 600. The upper sealing seat 404 has an axially penetrating hole structure inside, with an outwardly flared inlet at one end. A positioning step surface is provided at the bottom of the inlet, and a second sealing ring 416 is installed on this positioning step surface. The dialysing port 602 of the dialyzer 600 is inserted into the upper sealing seat 404 through the inlet, and under the action of external force (the clamping block 414 driven by the rotating lifting cylinder 413), the dialysing port 602 of the dialyzer 600 is sealed and pressed tightly against the second sealing ring 416. The end of the upper sealing seat 404 away from the inlet is connected to the tee pipe 218 on the sub-gas distribution pipe 215 via the air inlet hose 217. The lower sealing seat 404... Both the upper sealing seat 404 and the lower sealing seat 410 have the same structure and are fixed on the base plate 401. The lower sealing seat 410 is connected to the one-way valve 308 on the sub-manifold 307 through the exhaust hose 309. The upper sealing cap 403 has a through hole structure inside. One end of the hole structure has an outwardly flared inlet. The bottom of the inlet has a positioning step surface. The first sealing ring 415 is installed on the positioning step surface. The blood chamber port 601 of the dialyzer 600 is inserted into the interior of the upper sealing cap 403 through the inlet. Under the pushing action of the first cylinder 402, the blood chamber port 601 of the dialyzer 600 is sealed and pressed tightly on the first sealing ring 415. The end of the upper sealing cap 403 away from the inlet is connected to the three-way pipe 218 on the sub-gas distribution pipe 215 through the air inlet hose 217. The lower sealing cap 406 has the same structure as the upper sealing cap 403.

[0033] The lower sealing cap 406 is connected to an exhaust adapter 407 at the end furthest from the inlet. The exhaust adapter 407 is connected to the corresponding exhaust hose 309. A Y-shaped oblique tee connector 408 is connected in series on the exhaust adapter 407. A temperature detection probe 409 for detecting the exhaust temperature inside the tube is installed at one end of the oblique tee connector 408. The temperature detection probe 409 is inserted into the gas flow channel in the oblique tee connector 408 and can directly detect the temperature of the gas discharged from the dialyzer 600. That is, clean high-temperature compressed air enters the dialyzer 600 through the blood chamber port 601 and the dialysis port 602 at the upper end of the dialyzer 600, and heats and vaporizes the water on both sides of the semipermeable membrane (i.e., the internal cavity and external gap of the fiber membrane bundle). Finally, it is discharged from the blood chamber port 601 and the dialysis port 602 at the lower end of the dialyzer 600. The temperature of the gas discharged from the blood chamber port 601 is detected by the temperature detection probe 409 to determine whether the dialyzer 600 is completely dry.

[0034] The reversing device is used to change the direction of the dialyzer 600 on the product clamping device 400. The reversing device includes two sets of reversing mechanisms 500 distributed vertically and mounted on the reversing frame 501. The two sets of reversing mechanisms 500 correspond to the clamping modules 4001 on the upper and lower parts of the tabletop 104, respectively. The present invention is equipped with two sets of independent reversing mechanisms 500, which can perform reversing operations on the dialyzer 600 in the double-layer clamping station. During the drying process, the dialyzer 600 is accurately reversed, which can eliminate the dead corners caused by unilateral hot air drying. This allows the blood chamber and dialysate chamber of the dialyzer 600 to be in full and uniform contact with the hot air flow, which can completely improve the problems of local water accumulation, incomplete drying, and uneven dryness and wetness. It can significantly improve the drying uniformity and the finished product qualification rate, and greatly improve the overall drying quality and drying efficiency of the dialyzer 600.

[0035] The reversing mechanism 500 includes a base plate 502 horizontally mounted on a reversing frame 501, a sliding plate 503 horizontally slidably mounted on the base plate 502, and a drive shaft 505 horizontally rotatably mounted on the sliding plate 503. The sliding plate 503 is mounted on the base plate 502 via two sets of guide rail assembly sliders. The guide rail assembly includes a first guide rail 515 fixed on the sliding plate 503 and a first slider 516 fixed on the base plate 502. The first slider 516 is slidably mounted on the first guide rail 515. A linear cylinder 50 is connected to the sliding plate 503 to drive its reciprocating sliding. 4. One end of the drive shaft 505 is connected to a reversing motor 506 that drives its rotation, and the other end of the drive shaft 505 is connected to a reversing gripper. The reversing motor 506 drives the reversing gripper to rotate via the drive shaft 505. The reversing gripper includes a mounting plate 507 connected to the drive shaft 505 and a floating plate 508 slidably mounted on the mounting plate 507. The floating plate 508 is mounted on the mounting plate 507 via a guide rail assembly slider. The guide rail assembly includes a second guide rail 517 fixed to the floating plate 508 and a second slider 518 fixed to the mounting plate 507. The second slider 518 slides... Installed on the second guide rail 517, the floating plate 508 is equipped with three gripper cylinders 509, which can simultaneously grip three dialyzers 600 on a clamping module 4001. Each of the two drive components of the gripper cylinders 509 is equipped with a chuck 510 for gripping the dialyzers 600. Both ends of the mounting plate 507 are provided with positioning blocks 511, and guide rods 512 are slidably mounted on the positioning blocks 511 in the same sliding direction as the floating plate 508. One end of the guide rod 512 is connected to the floating plate 508, and a support is fitted onto the guide rod 512. The spring 513 between 508 and the positioning block 511 has both ends abutting against the gasket 514 coaxially fitted with the guide rod 512. Through the arrangement of the guide rod 512 and the spring 513, the floating plate 508 can float within a small range along the second guide rail 517. Combined with the guidance of the trumpet-shaped inlet of the positioning seat 412, it can effectively compensate for the positional error caused by external factors, so that the gripper cylinder 509 can accurately grasp the dialyzer 600 and thus realize the reversal of its direction, that is, to change the original air inlet end of the dialyzer 600 to the air outlet end.

[0036] This invention adopts a coaxial rotating double-layer circumferential workstation layout. The entire equipment can simultaneously load 216 dialyzers 600, achieving continuous operation without stopping by rotating. It can simultaneously complete the loading, unloading, and drying processes, taking into account both high capacity and energy saving. During operation, the operator places the dialyzers 600 to be dried vertically on the circumferentially distributed double-layer clamping modules 4001 in the designated loading area 701. The dialyzers 600 are positioned and fixed by the clamping mechanism. The upper and lower sealing caps 406 and sealing seats are used to seal and connect the blood chamber port 601 and the dialysis port 602 of the dialyzer 600, respectively, and connect the inlet and outlet air passages to ensure the sealing and stability of the drying operation.

[0037] The rotary drive unit, through a drive motor 106, reducer, and gear transmission, drives the rotating frame 103 to rotate smoothly and intermittently, achieving workstation circulation. Simultaneously, the air intake device continuously operates, allowing external air to enter the equipment in controlled quantities via a butterfly valve. This air is then heated by a heater and purified by a filter. Multiple sensors monitor air pressure, flow rate, and temperature in real time, and adaptively adjust the heating power based on the actual number of workstations, achieving on-demand heating and energy saving. Clean hot air is introduced into the dialyzer 600 via a rotary joint and multi-stage air distribution pipeline to heat and dry the moisture inside and outside the membrane.

[0038] The matching exhaust device 300 synchronously discharges humid and hot waste gas, and the pipeline is equipped with a one-way valve 308 to prevent condensate backflow. The equipment relies on photoelectric sensor 312 and sensing plate 314 to automatically open the drain solenoid valve 311 when the workstation rotates to the corresponding position to discharge the condensate in the pipeline, realizing automated drainage. During the drying process, the upper and lower independent reversing mechanisms 500 accurately grab the dialyzer 600 of the double-layer workstation to complete the reversing operation, that is, to change the original air inlet end of the dialyzer 600 to the air outlet end before the drying operation, completely eliminating the drying dead corners and ensuring that the dialyzer 600 is evenly exposed to air and heat. At the same time, the exhaust end temperature detection probe 409 monitors the exhaust temperature in real time and accurately determines the drying completion status. After the drying process is completed, qualified products are transferred to the designated area with the workstation and automatically unloaded by the unloading robot 800. The whole process is a closed loop cycle and automated continuous operation.

[0039] The above-described embodiments are merely preferred embodiments provided to fully illustrate the present invention, and the scope of protection of the present invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are all within the scope of protection of the present invention. The scope of protection of the present invention is defined by the claims.

Claims

1. A dialyzer drying device, characterized in that, include: A rotation drive device includes a floor support, a rotating frame rotatably mounted on the floor support, and a power component for driving the rotating frame to rotate. An air intake device includes an air supply component and an air distribution pipe assembly mounted on a rotating frame. The air distribution pipe assembly is connected to the air supply component via a first rotary joint, and the rotation axis of the first rotary joint is coaxial with the rotation axis of the rotating frame. The air distribution pipe assembly rotates synchronously with the rotating frame. An exhaust device includes an exhaust pipe and a manifold assembly installed on a distribution pipe assembly. The manifold assembly is connected to the exhaust pipe via a second rotary joint, and the second rotary joint rotates coaxially with the first rotary joint. The manifold assembly also rotates synchronously with the rotating frame. The product clamping device includes multiple clamping modules, all of which are mounted on the rotating frame and are circumferentially distributed around the rotation axis of the rotating frame. Each clamping module includes a base plate mounted on the rotating frame and multiple positioning components mounted on the base plate. Each positioning component includes a clamping mechanism for clamping the dialyzer, an upper sealing cap and a lower sealing cap for sealing the two blood chamber ports of the dialyzer, and an upper sealing seat and a lower sealing seat for sealing the two dialysis ports of the dialyzer. The upper sealing cap and the upper sealing seat are both connected to the gas distribution pipe assembly, and the lower sealing cap and the lower sealing seat are both connected to the manifold assembly.

2. The dialyzer drying equipment as described in claim 1, characterized in that, The power assembly includes a drive gear horizontally rotatably mounted on a floor support, a drive motor connected to and driving the drive gear through a reducer, and a rotating frame horizontally rotatably mounted on the floor support via a turntable bearing. The turntable bearing is coaxial with the first rotary joint, and the drive gear meshes with the outer ring teeth of the turntable bearing to form a gear transmission. The drive gear rotates to drive the rotating frame to rotate horizontally on the floor support via the turntable bearing.

3. The dialyzer drying equipment as described in claim 1, characterized in that, The air supply assembly includes an air heater and an air filter. The air heater's inlet is connected to an air inlet pipe, and the air inlet pipe is equipped with a first pressure sensor to detect the internal gas pressure. The air heater's outlet is connected to the air filter's inlet, and the air filter's outlet is connected to a delivery pipe. The delivery pipe is equipped with a second pressure sensor, a flow meter, and a temperature sensor, respectively used to detect the internal gas pressure, flow rate, and temperature. The delivery pipe is connected to an installation pipe via a soft first braided tube, and the installation pipe is connected to the first rotary joint.

4. The dialyzer drying equipment as described in claim 1, characterized in that, The gas distribution pipe assembly includes a main gas distribution pipe mounted on the rotating frame and a multi-port gas inlet connector connected to the first rotary joint. The remaining interfaces of the multi-port gas inlet connector are connected to the main gas distribution pipe through a soft second braided tube. The main gas distribution pipe is connected to multiple sub-gas distribution pipes located above and below the rotating frame. The sub-gas distribution pipes are connected to the upper sealing cap and upper sealing seat on the corresponding clamping module through air inlet hoses. An air inlet solenoid valve that controls the opening and closing of the air inlet hose is connected to the air inlet hose.

5. The dialyzer drying equipment as described in claim 4, characterized in that, The manifold assembly includes a main manifold installed on the main air distribution pipe and a multi-port exhaust connector connected to the second rotary joint. The remaining interfaces of the multi-port exhaust connector are all connected to the main manifold. The multi-port exhaust connector is located above the multi-port air inlet connector. The main manifold is connected to multiple sub-manifolds located above and below the rotating frame. The sub-manifolds are connected to the lower sealing cap and lower sealing seat on the corresponding clamping module through exhaust hoses. A one-way valve is connected in series on the exhaust hose to prevent condensate in the sub-manifolds from flowing back into the exhaust hose. An electric slip ring and a gas slip ring, both coaxial with the second rotary joint, are installed on the exhaust pipe.

6. The dialyzer drying equipment as described in claim 5, characterized in that, Each of the sub-manifolds located below the rotating frame is equipped with a drain pipe, and a drain solenoid valve that controls its on / off state is connected in series to the drain pipe. A photoelectric sensor is also provided on the side of the drain solenoid valve. A water collection tank is provided on the floor support, which is used to collect the condensate discharged from the drain pipe. A sensing plate that works in conjunction with the aforementioned photoelectric sensor is provided above the water collection tank.

7. The dialyzer drying equipment as described in claim 5, characterized in that, The rotating frame is fixed with a circular tabletop arranged circumferentially around its rotation axis. The clamping modules are installed on the tabletop, and multiple clamping modules are divided into upper and lower corresponding parts with the tabletop as the boundary. The clamping modules in each part are distributed in a cylindrical shape with their ends connected in sequence. The clamping modules in the upper part of the tabletop are connected to the corresponding sub-gas distribution pipe and sub-manifold above the rotating frame, and the clamping modules in the lower part of the tabletop are connected to the corresponding sub-gas distribution pipe and sub-manifold below the rotating frame.

8. The dialyzer drying equipment as described in claim 7, characterized in that, It also includes a reversing device located outside the product clamping device. The reversing device is used to change the direction of the dialyzer on the product clamping device. The reversing device includes two sets of reversing mechanisms that are distributed vertically and are both installed on the reversing frame. The two sets of reversing mechanisms correspond to the clamping modules on the upper and lower parts of the tabletop, respectively. The reversing mechanism includes a base plate mounted on a reversing frame, a sliding plate horizontally slidably mounted on the base plate, and a drive shaft horizontally rotatably mounted on the sliding plate. A linear cylinder is connected to the sliding plate to drive its reciprocating sliding. One end of the drive shaft is connected to a reversing motor to drive its rotation, and the other end of the drive shaft is connected to a reversing gripper. The reversing gripper includes a mounting plate connected to the drive shaft and a floating plate slidably mounted on the mounting plate. Multiple gripper cylinders are mounted on the floating plate. Each of the two drive components of the gripper cylinders is equipped with a gripper for gripping the dialyzer. Both ends of the mounting plate are provided with positioning blocks. A guide rod that slides and rotates in the same direction as the sliding of the floating plate is slidably mounted on the positioning blocks. One end of the guide rod is connected to the floating plate, and a spring is fitted on the guide rod to support the floating plate and the positioning block.

9. A dialyzer drying device as described in claim 5, characterized in that, The clamping mechanism includes a positioning seat, a pressing block, a rotary lifting cylinder, a first cylinder, and a second cylinder, all mounted on the base plate. The upper sealing cap is mounted on the first cylinder that drives its movement, and the lower sealing cap is mounted on the second cylinder that drives its movement. The pressing block is L-shaped, with one end connected to the rotary lifting cylinder that drives its movement. The dialyzer is positioned on the positioning seat, and the rotary lifting cylinder drives the pressing block to press the dialyzer tightly. The two dialysate ports of the dialyzer are inserted into the upper and lower sealing seats respectively, so as to seal and connect the dialysate chambers of the dialyzer with the corresponding sub-gas supply tubes and sub-manifolds. Under the drive of the corresponding cylinders, the upper and lower sealing caps are respectively sealed and pressed onto the two blood chamber ports of the dialyzer, so as to seal and connect the blood chambers of the dialyzer with the corresponding sub-gas supply tubes and sub-manifolds respectively.

10. A dialyzer drying device as described in claim 9, characterized in that, The positioning seat is provided with an arc groove that matches the contour of the dialyzer housing. The inlet of the arc groove is funnel-shaped, and the minimum spacing of the funnel-shaped inlet is 0.5mm to 1mm smaller than the outer diameter of the dialyzer housing. The upper sealing cap is located above the lower sealing cap, and the upper sealing seat is located above the lower sealing seat. The lower sealing cap is also connected to an exhaust adapter pipe, which is connected to a corresponding exhaust hose. A Y-type oblique tee connector is also connected in series on the exhaust adapter pipe, and a temperature detection probe for detecting the exhaust temperature inside the tube is installed at one end of the oblique tee connector.

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