Plate sealing machine with anti-clamping plate limiting structure

Abstract

This invention discloses a plate washing and sealing machine with an anti-jamming limiting structure for cleaning and sealing microporous plates. It includes a support frame, a conveying mechanism, a drying mechanism, and a lifting mechanism. The conveying mechanism is mounted on the support frame for transporting the microporous plates; the drying mechanism is mounted on the support frame and located above the conveying mechanism for suctioning liquid from the pores of the microporous plates; the lifting mechanism is used to lift the microporous plates from the conveying mechanism to the drying mechanism. The drying mechanism includes a drying body, a floating plate, and at least two guide columns. The floating plate is slidably connected to the drying body via the guide columns and can move up and down. The floating plate has a clearance window for the microporous plates to pass through, and multiple guide platforms with guide ramps are provided around the clearance window. This invention, through the cooperation of the floating plate and the guide platforms, guides the microporous plates to accurate alignment during lifting and reduces frictional resistance during descent, effectively preventing jamming and improving operational stability and efficiency.

Description

Technical Field

[0001] This invention relates to the field of in vitro diagnostic reagent production equipment technology, and in particular to a plate washing and sealing machine with an anti-jamming plate limiting structure. Background Technology

[0002] In the production of in vitro diagnostic reagents, microplates require multiple processes including coating, incubation, washing, and sealing. A washing and sealing machine is an automated production line that integrates the washing and sealing processes. It transports microplates via a conveyor belt, sequentially passing them through a liquid addition mechanism and a drying mechanism to inject and drain the cleaning or sealing solution. The drying process is crucial for ensuring the accuracy of subsequent testing and the effectiveness of the sealing. At the drying station, a lifting mechanism raises the microplate from the conveyor belt into the drying device, allowing the wells on the microplate to extend into the aspiration needle. The aspiration pump then removes the liquid from the wells. After completion, the lifting mechanism resets, and the microplate descends back onto the conveyor belt under its own weight to continue transporting it to the next station.

[0003] However, in actual operation, this lifting and resetting process is prone to "plate jamming" phenomenon. Specifically, during lifting, the holes of the microplate cannot be precisely aligned with the suction needle, causing the needle to hit the plate or fail to insert; during descent, friction occurs between the microplate and the suction device, preventing the microplate from smoothly falling back onto the conveyor belt, causing conveying interruption or the microplate to tilt and jam, which seriously affects the continuous operation of the production line and product yield. Therefore, it is urgent to improve this process. Summary of the Invention

[0004] The main objective of this invention is to provide a washing and sealing machine with an anti-jamming limiting structure to solve the problem of jamming caused by inaccurate lifting alignment or excessive friction during descent in existing washing and sealing machines at the drying station.

[0005] To achieve the above objectives, the present invention provides a plate washing and sealing machine with an anti-jamming limiting structure for cleaning and sealing microporous plates. The plate washing and sealing machine with the anti-jamming limiting structure includes: support; A conveying mechanism, mounted on the support, is used to convey the microplate; A suction mechanism, installed on the support and positioned above the conveying mechanism, is used to suction liquid from each hole in the microplate. A lifting mechanism, mounted on the bracket, is used to lift the microplate from the conveying mechanism to the drying mechanism; The drying mechanism includes a drying body, a floating plate disposed between the drying body and the conveying mechanism, and at least two guide posts. The two guide posts are spaced apart on the drying body. The floating plate is slidably connected to the drying body via the guide posts. The floating plate can move up and down relative to the drying body. An opening is provided on the floating plate for a microporous plate to pass through and extend into the drying mechanism. Multiple guide platforms are arranged around the opening, and each guide platform has a guide slope on the side facing the opening. The system also includes an image acquisition module and a main control unit. The device includes an image acquisition module mounted on the absorbent body facing the air-avoiding window. The main controller is communicatively connected to both the image acquisition module and the lifting mechanism. The main controller controls the image acquisition module to capture images of the microporous plate located below the air-avoiding window, thereby obtaining images of the microporous plate. Edge detection processing is performed on the microporous plate images to extract edge feature information of the microporous plate. The offset of the edge feature information relative to a preset standard position is calculated to determine whether there is a jamming problem and to control the lifting mechanism to stop descending or perform a reset action to prevent the microporous plate from jamming.

[0006] In some embodiments, the number of guide posts is four, and the four guide posts are evenly distributed at the four corners of the floating plate. Each guide post is fitted with a reset spring, and each reset spring is located between the floating plate and the absorbent body.

[0007] In some embodiments, the floating plate has through holes corresponding to each of the guide posts, and the suction body has through holes corresponding to each of the through holes. The guide posts have sequentially distributed threaded sections, guide sections, and stepped sections. The guide sections are inserted through the through holes and the through holes. The stepped sections are located on the side of the floating plate opposite to the suction body. The threaded sections extend at least partially out of the through holes on the side opposite to the floating plate. The suction mechanism also includes a plurality of nuts, each of which is threadedly connected to the threaded section.

[0008] In some embodiments, the absorbent body is provided with a suction groove and a suction channel communicating with the suction groove. The suction channel is connected to an external suction pump. The absorbent mechanism also includes a suction seat and a plurality of suction needles disposed on the suction seat. The suction seat is disposed in the suction groove. When the microporous plate is lifted, each hole on the microporous plate passes through the air-proof window and is sleeved to the outside of the corresponding suction needle.

[0009] In some embodiments, the conveying mechanism includes a conveying motor, two pulleys, a belt, and a plurality of positioning blocks. The conveying motor is mounted on the bracket, the two pulleys are rotatably mounted on the bracket at intervals, and one of the pulleys is connected to the output shaft of the conveying motor. The belt is sleeved on the two belts, and the positioning blocks are arranged at intervals on the belts. A microperforated plate is placed between two adjacent positioning blocks.

[0010] In some embodiments, the lifting mechanism includes a lifting cylinder and a lifting frame. The lifting cylinder is fixedly mounted on the bracket. The lifting frame has two lifting arms, which are arranged parallel to the conveying direction of the belt. The two lifting arms are located on both sides of the belt. The two lifting arms can lift the microporous plate to both sides of the conveying mechanism under the drive of the lifting cylinder so that the microporous plate can be raised and lowered.

[0011] In some embodiments, the main controller calculates the offset of the edge feature information relative to a preset standard position; when the offset exceeds a preset threshold, it determines that the plate is stuck and controls the lifting mechanism to stop descending or perform a reset action to prevent the micro-perforated plate from getting stuck. In some embodiments, a pressure sensor array is also included, which is embedded in the inner walls of the clearance window. The main controller is communicatively connected to the pressure sensor array. The main controller collects the contact pressure distribution data output by the pressure sensor array in real time; based on the contact pressure distribution data, it constructs a force model of the contact between the sidewall of the micro-perforated plate and the guide slope; it determines whether the force on the micro-perforated plate is balanced according to the force model; when it is determined that the force is unbalanced, it generates an adjustment command to control the lifting mechanism to adjust the lifting speed or fine-tune the lifting position until the force distribution tends to be balanced.

[0012] In some embodiments, an audio acquisition module is also included, which is mounted on the bracket. The main controller is communicatively connected to the audio acquisition module and the suction-drying mechanism. The main controller acquires the ambient sound signal generated by the suction-drying mechanism when it performs suction on the microporous plate; performs spectral analysis on the sound signal to extract characteristic frequency components; matches and compares the characteristic frequency components with a pre-stored abnormal sound model; if the match is successful, it determines that the suction pipeline is blocked or full, controls the suction-drying mechanism to stop the current suction action, and triggers an alarm.

[0013] In some embodiments, a depth vision sensor is further included, which is mounted above the absorbent body. The main controller is communicatively connected to both the depth vision sensor and the conveying mechanism. The main controller controls the depth vision sensor to scan the microperforated plate on the conveying mechanism to acquire three-dimensional depth point cloud data of the microperforated plate. Based on the three-dimensional depth point cloud data, the main controller calculates the real-time attitude angle and position coordinates of the microperforated plate in three-dimensional space. Based on the real-time attitude angle and position coordinates, the main controller determines whether the microperforated plate is within a predetermined lifting range. When it is determined that the microperforated plate is within the predetermined range, a start signal is generated to control the lifting mechanism to begin performing the lifting action.

[0014] The beneficial effects of the technical solution of this invention are as follows: The washing and sealing machine with anti-jamming limiting structure of the present invention uses a floating plate on the suction and drying mechanism. When the lifting mechanism raises the microporous plate, the edge of the microporous plate first contacts the guide slope of the guide table on the floating plate. At this time, the guide slope automatically corrects the horizontal deviation of the microporous plate, guiding it smoothly through the clearance window into the suction and drying mechanism, ensuring that each hole is precisely aligned with the suction needle. After the suction and drying is completed, the lifting mechanism descends, and the microporous plate falls back due to gravity. The floating plate can slide down a certain distance with the microporous plate to avoid rigid collision between the microporous plate and the suction and drying body. At the same time, the guide slope also plays a corrective role during the descent, preventing the microporous plate from tilting and jamming due to friction. The present invention effectively eliminates the jamming phenomenon through the floating buffer of the floating plate and the correction guidance of the guide table, effectively avoiding the problems of slow production speed and low product yield caused by automated operation downtime. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0017] Figure 1 This is a schematic diagram of the structure of the plate washing and sealing machine with anti-jamming plate limiting structure according to one embodiment of the present invention; Figure 2 yes Figure 1 A schematic diagram of one embodiment of the desiccant removal mechanism; Figure 3 This is a schematic diagram of the structure of a plate washing and sealing machine with an anti-jamming plate limiting structure according to another perspective of the present invention; Figure 4 yes Figure 1 Schematic diagram of the middle suction drying mechanism; Figure 5 yes Figure 1 Exploded view of the central suction drying mechanism; Figure 6 yes Figure 4 Sectional view of the mid-section AA.

[0018] Figure label: 100, Support; 200, Conveying mechanism; 210, Conveying motor; 220, Pulley; 230, Belt; 240, Positioning block; 300, Drying mechanism; 310, Drying body; 311, Suction groove; 312, Suction channel; 313, Through hole; 3131, First section; 3132, Second section; 320, Floating plate; 321, Clearance window; 322, Through hole; 330, Guide post; 331, Threaded section; 332, Guide section; 333, Stage stage; 340, Return spring; 350, Nut; 360, Guide stage; 361, Guide slope; 370, Suction seat; 371, Suction needle; 400, Lifting mechanism; 410, Lifting cylinder; 420, Lifting frame; 421, Lifting arm; 500, Micro-perforated plate. Detailed Implementation

[0019] The preferred embodiments of this application will now be described in detail with reference to the accompanying drawings. In the following description, the same reference numerals are used for the same components, and repeated descriptions are omitted. Furthermore, the drawings are merely schematic diagrams, and the proportions of the components or their shapes may differ from actual dimensions. It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationships and movement of the components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0020] It should also be noted that when a component is described as "fixed to" or "set on" another component, it can be directly on the other component or there may be an intervening component present. When a component is described as "connected to" another component, it can be directly connected to the other component or there may be an intervening component present.

[0021] In the production of in vitro diagnostic reagents, microplates require multiple processes including coating, incubation, washing, and sealing. A washing and sealing machine is an automated production line that integrates the washing and sealing processes. It transports microplates via a conveyor belt, sequentially passing them through a liquid addition mechanism and a drying mechanism to inject and drain the cleaning or sealing solution. The drying process is crucial for ensuring the accuracy of subsequent testing and the effectiveness of the sealing. At the drying station, a lifting mechanism raises the microplate from the conveyor belt into the drying device, allowing the wells on the microplate to extend into the aspiration needle. The aspiration pump then removes the liquid from the wells. After completion, the lifting mechanism resets, and the microplate descends back onto the conveyor belt under its own weight to continue transporting it to the next station.

[0022] However, in actual operation, this lifting and resetting process is prone to "plate jamming" phenomenon. Specifically, during lifting, the holes of the microplate cannot be precisely aligned with the suction needle, causing the needle to hit the plate or fail to insert; during descent, friction occurs between the microplate and the suction device, preventing the microplate from smoothly falling back onto the conveyor belt, causing conveying interruption or the microplate to tilt and jam, which seriously affects the continuous operation of the production line and product yield. Therefore, it is urgent to improve this process.

[0023] To resolve the above issues, please refer to [link / reference]. Figures 1 to 6 The plate washing and sealing machine with anti-jamming limiting structure provided by the present invention includes: a support 100, a conveying mechanism 200, a drying mechanism 300, and a lifting mechanism 400; wherein, the support 100, as the main load-bearing structure of the various components of the sealing machine, can be made of aluminum alloy profiles and sheet metal parts spliced ​​together, so that it has sufficient rigidity and lightweight characteristics.

[0024] The conveying mechanism 200 is installed in the middle of the support 100 and is used to convey the microplate 500 in the horizontal direction. The conveying mechanism 200 can be used to convey in the direction of the belt 230 or to convey in a standardized transmission platform. No limitation is made here.

[0025] The suction mechanism 300 is installed on the support 100 and positioned above the conveying mechanism 200, and is used to suction the liquid in each hole of the microporous plate 500. A lifting mechanism 400, mounted on the bracket 100, is used to lift the microporous plate 500 from the conveying mechanism 200 to the drying mechanism 300. Specifically, the movable part of the lifting mechanism 400 can push the microporous plate 500 upward through the gap in the conveying mechanism 200.

[0026] Furthermore, the drying mechanism 300 includes a drying body 310, a floating plate 320 disposed between the drying body 310 and the conveying mechanism 200, and at least two guide posts 330; the two guide posts 330 are disposed at intervals on the drying body 310, and the floating plate 320 is slidably connected to the drying body 310 through each guide post 330, and the floating plate 320 can move up and down relative to the drying body 310; the floating plate 320 is provided with a clearance window 321 for the microporous plate 500 to pass through and extend into the drying mechanism 300; a plurality of guide platforms 360 are provided around the clearance window 321, and each guide platform 360 is provided with a guide slope 361 on the side facing the clearance window 321.

[0027] The floating plate 320 is a rectangular plate with an area larger than the projected area of ​​the microporous plate 500. To ensure that the guide posts 330 provide good guidance for the floating plate 320, in this embodiment, four guide posts 330 are provided, passing through the four corners of the floating plate 320 respectively, allowing the floating plate 320 to slide smoothly up and down. The clearance window 321 is a rectangular opening with an opening size larger than the outer dimensions of the microporous plate 500. The guide platform 360 is an independent block structure that can be fixed to the upper surface of the floating plate 320 by screws or snap-fit ​​and arranged around the clearance window 321. The guide ramp 361 of each guide platform 360 extends downward from the top towards the center of the clearance window 321, forming a funnel-shaped guide entrance.

[0028] With the above structure, when the lifting mechanism 400 lifts the micro-perforated plate 500 upwards, the upper edge of the micro-perforated plate 500 first contacts the guide slope 361. Due to the inclined guidance of the guide slope 361, even if the micro-perforated plate 500 has a slight horizontal position deviation during the conveying process, it will be corrected by the slope, allowing the micro-perforated plate 500 to accurately align with the clearance window 321 and pass smoothly; at the same time, the floating plate 320 can slide upwards along the guide post 330, avoiding rigid impact between the micro-perforated plate 500 and the desiccant body 310. During the descent process after desiccant drying, the buffering effect of the floating plate 320 and the straightening effect of the guide slope 361 can also prevent the micro-perforated plate 500 from getting stuck due to friction; the washing and sealing machine with anti-jamming limiting structure of the present invention fundamentally solves the problem of plate jamming caused by misalignment or excessive friction in the prior art: Furthermore, as a further improvement to the above technical solution, please refer to... Figures 4 to 6 There are four guide posts 330, which are evenly distributed at the four corners of the floating plate 320. Each guide post 330 is fitted with a reset spring 340, which is located between the floating plate 320 and the suction body 310.

[0029] In this embodiment, four guide posts 330 are respectively arranged at the four corners of the floating plate 320. This symmetrical arrangement ensures that the floating plate 320 receives uniform force when pushed upwards by the microporous plate 500, preventing tilting or jamming. Simultaneously, a return spring 340, a compression spring, is fitted onto each guide post 330. Its upper end abuts against the lower surface of the floating plate 320, and its lower end abuts against the upper surface of the suction body 310. When the microporous plate 500 pushes the floating plate 320 upwards, the return spring 340 is compressed, storing elastic potential energy. When the microporous plate 500 descends, the return spring 340 pushes the floating plate 320 downwards to return it to its initial position, preparing it for the next operation. This arrangement, by placing the return spring 340 between the floating plate 320 and the suction body 310, ensures the automatic reset function of the floating plate 320 without additional power. Furthermore, the balanced elasticity of the four springs ensures smooth and reliable floating movement of the floating plate 320.

[0030] To facilitate the placement of the guide posts 330 on the drying body 310, in this embodiment, the floating plate 320 has through holes 322 corresponding to each guide post 330, and the drying body 310 has through holes 313 corresponding to each through hole 322. The guide post 330 has a threaded section 331, a guide section 332, and a stepped section 333 arranged sequentially. The guide section 332 is inserted into the through hole 322 and the through hole 313, and the stepped section 333 is located on the side of the floating plate 320 facing away from the drying body 310. The threaded section 331 extends at least partially out of the through hole 313 on the side facing away from the floating plate 320. The drying mechanism 300 also includes multiple nuts 350, each nut 350 being threadedly connected to the threaded section 331. Thus, the guide post 330 has a three-section stepped shaft structure, wherein the guide section 332 is a smooth shaft, and its diameter forms a sliding fit with the diameter of the guide section 332 in the through hole 322 and the through hole 313, ensuring the straightness of the floating plate 320 when moving up and down. The diameter of the stage 333 is larger than that of the guide section 332. Located below the floating plate 320, it limits the maximum downward sliding stroke of the floating plate 320, preventing it from detaching from the guide post 330. The threaded section 331 extends upward through the through hole 313 of the suction body 310. The nut 350 is screwed onto the threaded section 331, fixing the guide post 330 to the suction body 310. This not only makes the guide post 330 removable for easy maintenance and replacement, but also allows for fine-tuning of the extension length of the guide post 330 by adjusting the screwing depth of the nut 350, thereby changing the initial height of the floating plate 320 to accommodate microporous plates 500 of different thicknesses or different process requirements.

[0031] The through-hole 313 has a first section 3131 and a second section 3132. The diameter of the first section 3131 is larger than the diameter of the second section 3132 to form a step. One end of the return spring 340 abuts against the floating plate 320, and the other end of the return spring 340 abuts against the step. That is, the through-hole 313 on the suction body 310 is designed as a stepped hole, where the first section 3131 (the side closer to the floating plate 320) has a larger diameter to accommodate the return spring 340; the second section 3132 has a smaller diameter to slide with the guide section 332 of the guide post 330. The stepped surface between the first section 3131 and the second section 3132 forms the lower support of the spring. The upper end of the return spring 340 abuts against the lower surface of the floating plate 320, and the lower end abuts against the stepped surface. The built-in spring installation method makes the structure more compact. At the same time, the spring is confined within the first section 3131 of the through hole 313, preventing radial offset or dislodgement. This ensures that the direction of the spring force is always along the axial direction of the guide post 330, improving the stability of the floating plate 320's movement.

[0032] Furthermore, the guide platform 360 is detachably connected to the floating plate 320, and the guide ramp 361 extends downwards at an incline from the top of the guide platform 360 toward the center of the clearance window 321. In this embodiment, the guide platform 360 is fixed to the floating plate 320 from below or above by countersunk screws, facilitating disassembly. Since the guide ramp 361 will wear down due to friction with the edge of the microporous plate 500 during long-term use, the detachable connection makes the guide platform 360 an easily replaceable consumable, eliminating the need to replace the entire floating plate 320 and significantly reducing maintenance costs. The preferred inclination angle of the guide ramp 361 is 30° to 60°, a range that provides sufficient horizontal guiding force without causing damage to the edge of the microporous plate 500 due to excessive steepness. The guide slope 361 contracts inward from top to bottom to form a continuous smooth slope. When the edge of the microporous plate 500 touches the slope, a component force pointing towards the center of the clearance window 321 is generated, thereby automatically correcting the offset of the microporous plate 500.

[0033] Furthermore, the outline of the clearance window 321 matches the outer outline of the microporous plate 500, and the outline size of the clearance window 321 is larger than the outer outline size of the microporous plate 500. In this embodiment, the clearance window 321 is also rectangular, with its length and width being 1 to 2 millimeters larger than the length and width of the microporous plate 500, respectively. This gap ensures that the microporous plate 500 can pass through smoothly without interference, while also preventing excessive horizontal swaying of the microporous plate 500 due to its large size, thus achieving smooth guidance and positioning accuracy.

[0034] Furthermore, multiple guide tables 360° surround to form a C-shaped annular platform, with the notch in the C-shaped annular platform located on one side of the clearance window 321 along the transmission direction of the conveying mechanism 200. See also... Figure 4 There are three guide tables 360, located on the left, right, and rear sides of the clearance window 321 (i.e., the rear side along the conveying direction), while no guide table 360 ​​is located at the front (i.e., the front side along the conveying direction), thus forming a C-shaped structure. When the microporous plate 500 finishes drying and descends to its reset position, it needs to rely on its own gravity to fall back onto the conveying mechanism 200. If guide tables 360 were located around all four sides of the clearance window 321, the microporous plate 500 would be subject to frictional forces from all sides during descent. In particular, the friction from the front guide table 360 ​​would hinder the forward movement of the microporous plate 500, potentially causing it to be "stuck" and unable to fall. By omitting a guide table 360 ​​on one side along the conveying direction, the front end of the microporous plate 500 experiences no frictional resistance and can fall smoothly. Meanwhile, the guide tables 360 on the other three sides still provide sufficient guidance, ensuring the vertical accuracy of the microporous plate 500 during ascent and descent.

[0035] As a further improvement to the above technical solution, the suction body 310 is provided with a suction groove 311 and a suction channel 312 communicating with the suction groove 311. The suction channel 312 is connected to an external suction pump (not shown). The suction mechanism 300 also includes a suction seat 370 and a plurality of suction needles 371 disposed on the suction seat 370, which is disposed within the suction groove 311. When the microporous plate 500 is lifted, each hole on the microporous plate 500 passes through the clearance window 321 and is fitted onto the outside of the corresponding suction needle 371. Thus, by recessing the lower surface of the suction body 310 to form the suction groove 311, the size of which matches the suction seat 370, which is a plate on which a plurality of suction needles 371 are arranged according to the hole spacing of the microporous plate 500. The suction seat 370 is embedded in the suction groove 311 and sealed with a sealing ring or adhesive. The suction channel 312 extends from the bottom or side of the suction groove 311 and is connected to an external suction pump via a hose. When the suction pump operates, a negative pressure is generated at the tip of the suction needle 371. After the microporous plate 500 is raised, its holes fit precisely around the outside of the suction needle 371, with the tip of the suction needle 371 located near the bottom of the hole, thereby removing the liquid from the hole.

[0036] In addition, in this embodiment, please refer to Figure 3The conveying mechanism 200 includes a conveying motor 210, two pulleys 220, a belt 230, and multiple positioning blocks 240. The conveying motor 210 is mounted on a bracket 100. The two pulleys 220 are rotatably mounted on the bracket 100 at intervals, and one of the pulleys 220 is connected to the output shaft of the conveying motor 210. The belt 230 is sleeved on the two pulleys 220. The positioning blocks 240 are spaced apart on the belt 230, and a microporous plate 500 is placed between adjacent positioning blocks 240. The conveying motor 210 is a stepper motor or a servo motor, capable of precisely controlling start / stop and conveying distance. The two pulleys 220 are located at opposite ends of the bracket 100, and the belt 230 is tensioned between them. The positioning blocks 240 are cuboid blocks, fixed to the surface of the belt 230 by adhesive or screws. The distance between adjacent positioning blocks 240 is slightly greater than the length of the microporous plate 500. When the belt 230 moves, the micro-perforated plate 500 is locked between the two positioning blocks 240 and moves with the belt 230. The positioning blocks 240 not only play a pushing role, but also prevent the micro-perforated plate 500 from sliding or shifting on the belt 230 due to inertia, ensuring that each micro-perforated plate 500 can be accurately stopped directly below the suction drying station.

[0037] Furthermore, the lifting mechanism 400 includes a lifting cylinder 410 and a lifting frame 420. The lifting cylinder 410 is fixedly mounted on the bracket 100, and the lifting frame 420 has two lifting arms 421, which are arranged parallel to the conveying direction of the belt 230. The two lifting arms 421 are located on both sides of the belt 230, and can lift the microporous plate 500 to both sides of the conveying mechanism 200 under the drive of the lifting cylinder 410, so that the microporous plate 500 can be raised and lowered. In this embodiment, the piston rod of the lifting cylinder 410 is connected to the central crossbeam of the lifting frame 420. The lifting frame 420 has a U-shaped or H-shaped structure, and the two lifting arms 421 extend upward from both sides. The upper surface of the lifting arms 421 is flat and can be provided with flexible pads or rubber pads to avoid scratching the microporous plate 500. The distance between the two lifting arms 421 is greater than the width of the belt 230, and the height of the lifting arms 421 is lower than the upper surface of the belt 230, thus not interfering with the normal conveying movement of the micro-perforated plate 500 by the belt 230. When the lifting cylinder 410 extends, the lifting arms 421 move upward, lifting the micro-perforated plate 500 from below its two side edges, causing the micro-perforated plate 500 to detach from the belt 230. Because the lifting arms 421 are parallel to the conveying direction and the two arms are symmetrically distributed, the micro-perforated plate 500 remains horizontal when lifted and is not prone to tilting.

[0038] It should be noted that the plate washing and sealing machine also includes a main controller (not shown), a position sensor (not shown), and a vision sensor (not shown). The main controller is a programmable logic controller, such as a PLC, microcontroller, or other microprocessor, and is installed in the electrical control box of the bracket 100. The main controller is electrically connected to the solenoid valve of the conveyor motor 210, the lifting cylinder 410, the suction pump, the position sensor, and the vision sensor. The position sensor is a photoelectric through-beam sensor or a proximity switch, which is installed on the bracket 100 near the drying mechanism 300 and is used to detect whether the microporous plate 500 has reached the predetermined position of the drying station. When the position sensor detects that the microporous plate 500 has arrived, it sends a signal to the main controller, which immediately stops the conveyor motor 210 and starts the lifting cylinder 410 to lift the microporous plate 500.

[0039] The vision sensor, a miniature industrial camera, is mounted on the side of the suction-drying body 310. Its lens, through a transparent window, is aimed at each hole area of ​​the raised microporous plate 500. After the suction-drying operation is complete, the main controller triggers the vision sensor to capture images and analyzes the presence of liquid residue in each hole using a built-in image processing algorithm. If the grayscale value of all holes is below a set threshold, the suction-drying is considered successful, and the main controller controls the lifting cylinder 410 to descend and reset. If the grayscale value of one or more holes exceeds the standard, the suction-drying is considered unsuccessful. The main controller can execute a preset remedial procedure: for example, restarting the suction pump for a second suction-drying, controlling the lifting mechanism 400 to cycle up and down again, or issuing an audible and visual alarm signal and displaying the unsuccessful holes on the touchscreen, awaiting manual intervention. Through this automatic detection and closed-loop control, intelligent quality management of the suction-drying process is achieved, further improving the reliability of the cleaning and sealing process and product consistency.

[0040] In some embodiments, the device further includes an image acquisition module and a main controller. The image acquisition module facing the air-avoiding window is installed on the absorbent body. The main controller is communicatively connected to the image acquisition module and the lifting mechanism. The main controller controls the image acquisition module to capture images of the microporous plate located below the air-avoiding window to obtain microporous plate images. Edge detection processing is performed on the microporous plate images to extract edge feature information of the microporous plate. The offset of the edge feature information relative to a preset standard position is calculated to determine whether there is a jamming problem and to control the lifting mechanism to stop descending or perform a reset action to prevent the microporous plate from jamming.

[0041] For example, the main controller calculates the offset of the edge feature information relative to a preset standard position; when the offset exceeds a preset threshold, it determines that the plate is stuck and controls the lifting mechanism to stop descending or perform a reset action to prevent the microplate from getting stuck. In this embodiment, the washing and sealing machine also includes an image acquisition module and a main controller. The image acquisition module is mounted on the drying body 310, with its lens facing the clearance window 321, for real-time image acquisition of the microplate 500 located below the clearance window 321. The main controller is typically a high-performance PLC or industrial computer, which is communicatively connected to the image acquisition module and the lifting mechanism 400, respectively.

[0042] For example, firstly, during the initial stage of the lifting mechanism 400 performing the lifting action, the main controller controls the image acquisition module to capture an image of the microporous plate 500 located below the clearance window 321. To ensure detection accuracy, a ring light source is typically placed around the clearance window 321 to provide uniform illumination and eliminate shadow interference.

[0043] Secondly, the main controller performs edge detection processing on the acquired microplate image, and uses the Canny operator or Sobel operator to extract the edge feature information of the microplate 500, specifically including the straight line features of the four sides of the microplate.

[0044] Next, the main controller calculates the offset of the extracted edge feature information relative to the preset standard position. The preset standard position is the geometric center of the clearance window 321. This is achieved by calculating the pixel distance between the center of the microplate image and the center of the preset standard position, and then converting it into the actual physical distance based on the camera calibration parameters.

[0045] Finally, the main controller determines whether the offset exceeds a preset threshold. If the offset exceeds the preset threshold (e.g., 2mm), it is determined that the plate is abnormal or severely offset. The main controller immediately controls the lifting mechanism 400 to stop the current descent action, or controls the lifting mechanism 400 to drive the floating plate 320 and the micro-hole plate 500 to perform a reset action and try to lift again, thereby preventing the micro-hole plate 500 from jamming or damaging the suction needle 371 due to severe positional offset.

[0046] In summary, this invention achieves automatic centering during lifting and low-resistance resetting during lowering of the micro-perforated plate 500 through the cooperation of the floating plate 320 and the guide ramp 361. The C-shaped guide platform 360 layout avoids jamming during lowering. The reset spring 340 and the stepped hole structure ensure the smooth movement of the floating plate 320. The detachable guide platform 360 reduces maintenance costs. Combined with automatic detection and control components, this invention improves the operational reliability and intelligence of the plate washing and sealing machine.

[0047] In some embodiments, a pressure sensor array is further included, which is embedded in the inner walls of the sheltered window. The main controller is communicatively connected to the pressure sensor array. The main controller collects contact pressure distribution data output by the pressure sensor array in real time. Based on the contact pressure distribution data, a force model is constructed for the contact between the microporous plate sidewall and the guide inclined surface. The force model is used to determine whether the force on the microporous plate is balanced. When the force is determined to be unbalanced, an adjustment command is generated to control the lifting mechanism to adjust the lifting speed or fine-tune the lifting position until the force distribution tends to be balanced.

[0048] In this embodiment, the plate washing and sealing machine further includes a pressure sensor array. The pressure sensor array consists of multiple miniature thin-film pressure sensors embedded in the inner walls of the clearance window 321 or in the guide ramp 361 of the guide platform 360. The main controller is communicatively connected to the pressure sensor array.

[0049] For example, firstly, the main controller collects the contact pressure distribution data output by the pressure sensor array in real time. When the lifting mechanism 400 lifts the microporous plate 500 upwards, and the edge of the microporous plate 500 contacts the guide slope 361, the pressure sensor detects the contact pressure.

[0050] Secondly, based on the collected contact pressure distribution data, the main controller constructs a force model of the contact between the sidewall of the micro-perforated plate 500 and the guide inclined surface 361. This model reflects the distribution of the horizontal guiding force around the micro-perforated plate 500 during the vertical lifting process.

[0051] Next, the main controller determines whether the force on the microporous plate 500 is balanced based on the force model. If the pressure value in one or more directions is significantly higher than in other directions, it indicates that the microporous plate 500 is subjected to excessive force on one side, which may lead to tilting.

[0052] Finally, when an imbalance in force is detected, the main controller generates an adjustment command to control the lifting mechanism 400 to adjust the lifting speed or fine-tune the lifting position. For example, if the pressure on the right side is too high, the main controller can control the lifting mechanism 400 to slightly lower the height of the micro-perforated plate 500, allowing it to automatically adjust its posture under gravity, or fine-tune the rising speed by controlling the air intake of the lifting cylinder 410, until the force distribution tends to be balanced, ensuring that the micro-perforated plate 500 smoothly passes through the clearance window 321.

[0053] In some embodiments, an audio acquisition module is also included, which is mounted on the bracket. The main controller is communicatively connected to the audio acquisition module and the suction-drying mechanism. The main controller acquires the ambient sound signal generated by the suction-drying mechanism when it performs suction on the microporous plate; performs spectral analysis on the sound signal to extract characteristic frequency components; matches and compares the characteristic frequency components with a pre-stored abnormal sound model; if the match is successful, it determines that the suction pipeline is blocked or full, controls the suction-drying mechanism to stop the current suction action, and triggers an alarm.

[0054] In this embodiment, the plate washing and sealing machine further includes an audio acquisition module. The audio acquisition module typically uses a high-sensitivity microphone and is mounted on the bracket 100 near the suction-drying mechanism 300. The main controller is communicatively connected to the audio acquisition module and the suction-drying mechanism 300 (specifically, a frequency converter or solenoid valve controlling the suction pump).

[0055] For example, the main controller collects ambient sound signals generated by the suction mechanism 300 during the suction operation on the microporous plate 500. This process continues throughout the entire suction process, with the audio acquisition module continuously monitoring sound changes.

[0056] Secondly, the main controller performs spectral analysis on the sound signal, extracting characteristic frequency components through Fast Fourier Transform (FFT). During normal operation, the sound generated by the suction pump and fluid flow has specific spectral characteristics.

[0057] Next, the main controller matches and compares the extracted characteristic frequency components with the pre-stored abnormal sound model. The abnormal sound model includes characteristic data such as low-frequency humming caused by pipe blockage and changes in airflow sound caused by liquid overflow.

[0058] Finally, if the matching is successful, the main controller determines that the suction line is blocked or the collection bottle is full, and immediately controls the suction mechanism 300 to stop the current suction action. At the same time, it triggers an alarm to notify the operator to intervene, thereby avoiding liquid spillage or equipment damage.

[0059] In some embodiments, a depth vision sensor is further included, which is mounted above the absorbent body. The main controller is communicatively connected to both the depth vision sensor and the conveying mechanism. The main controller controls the depth vision sensor to scan the microperforated plate on the conveying mechanism to acquire three-dimensional depth point cloud data of the microperforated plate. Based on the three-dimensional depth point cloud data, the main controller calculates the real-time attitude angle and position coordinates of the microperforated plate in three-dimensional space. Based on the real-time attitude angle and position coordinates, the main controller determines whether the microperforated plate is within a predetermined lifting range. When it is determined that the microperforated plate is within the predetermined range, a start signal is generated to control the lifting mechanism to begin performing the lifting action.

[0060] In this embodiment, the plate washing and sealing machine also includes a depth vision sensor. The depth vision sensor typically employs a structured light or TOF (Time-of-Flight) camera, and is mounted above the absorbent body 310 or to the side of the conveyor mechanism 200. The main controller is communicatively connected to both the depth vision sensor and the conveyor mechanism 200 (specifically, the conveyor motor 210).

[0061] For example, the main controller controls the depth vision sensor to scan the microperforated plate 500 on the conveyor mechanism 200. When the position sensor detects that the microperforated plate 500 is close to the drying station, it triggers the depth vision sensor to work and acquire the three-dimensional depth point cloud data of the microperforated plate 500.

[0062] Secondly, based on the acquired 3D depth point cloud data, the main controller uses point cloud segmentation and fitting algorithms to calculate the real-time attitude angle (such as the rotation angle around the X, Y, and Z axes) and position coordinates (X, Y, and Z coordinates) of the micro-perforated plate 500 in 3D space.

[0063] Next, the main controller determines whether the micro-perforated plate 500 is within the predetermined lifting range based on the real-time attitude angle and position coordinates. If the tilt angle of the micro-perforated plate 500 is too large or the position deviation exceeds the compensation range of the lifting frame 420, it is determined to be in an abnormal position.

[0064] Finally, when it is determined that the micro-perforated plate 500 is within the predetermined range, the main controller generates a start signal and controls the lifting mechanism 400 to start the lifting action; if it is determined that the position is abnormal, the transmission mechanism 200 is controlled to perform a fine adjustment action (such as reverse fine adjustment) until the micro-perforated plate 500 enters the predetermined range, thereby ensuring that the lifting arm 421 can accurately lift the micro-perforated plate 500.

[0065] In some embodiments, the plate washing and sealing machine further includes a magnetostrictive displacement sensor, a vibration sensor group, and a main controller. The magnetostrictive displacement sensor is installed on the side of the piston rod of the lifting cylinder 410 of the lifting mechanism 400, with its magnetic ring fixed to the lifting frame 420, for real-time measurement of the vertical displacement of the lifting frame 420. The vibration sensor group consists of a triaxial accelerometer, which is respectively installed at the four corners of the desiccant body 310 and the center of the bottom surface of the floating plate 320, for synchronously acquiring the vibration response signals of the desiccant body 310 and the floating plate 320 during the lifting process. The main controller is communicatively connected to the magnetostrictive displacement sensor, the vibration sensor group, and the lifting cylinder 410.

[0066] For example, firstly, the main controller controls the lifting cylinder 410 to drive the lifting frame 420 to move upward. At the same time, the magnetostrictive displacement sensor continuously collects the displacement-time curve of the lifting frame 420 at a sampling frequency of not less than 500Hz. The vibration sensor group synchronously collects the triaxial vibration acceleration data of the drying body 310 and the floating plate 320 at each moment to form a displacement-vibration synchronous dataset.

[0067] Secondly, the main controller performs differential processing on the acquired displacement-time curves to obtain the instantaneous velocity and instantaneous acceleration curves of the lifting frame 420. Simultaneously, bandpass filtering is applied to the triaxial vibration acceleration data output by the vibration sensor group to remove low-frequency baseline drift below 5Hz and high-frequency electromagnetic interference above 500Hz, retaining the effective vibration frequency band signals related to mechanical motion.

[0068] Next, the main controller correlates the filtered vibration acceleration data with the corresponding displacement data to construct a vibration characteristic model of the micro-perforated plate 500's movement within the clearance window 321. Specifically, the main controller calculates the root mean square value of vibration energy, peak factor, and dominant frequency shift of the vibration spectrum for each vibration sensor during the period from when the micro-perforated plate 500 initially contacts the guide ramp 361 until it completely passes through the clearance window 321. Under normal operating conditions, the micro-perforated plate 500 smoothly slides up the guide ramp 361, with the root mean square value of vibration energy remaining within a preset baseline range, and the dominant frequency concentrated near the operating frequency and harmonics of the lifting cylinder 410. When abnormal friction or slight jamming occurs between the edge of the micro-perforated plate 500 and the guide ramp 361 of the guide table 360, the root mean square value of vibration energy increases significantly, the peak factor increases, and the dominant frequency shifts to a higher frequency band.

[0069] Finally, the main controller compares the vibration characteristic parameters calculated in real time with the preset warning thresholds for the jamming plate. The warning thresholds for the jamming plate include the root mean square value threshold of vibration energy (set to 2.5 times the normal baseline value), the peak vibration factor threshold (set to 3 times the normal value), and the main frequency offset threshold (set to 1.5 times the normal main frequency). When any vibration characteristic parameter exceeds the corresponding threshold, the main controller determines that the micro-perforated plate 500 is in the early stage of jamming and immediately generates a graded control strategy: if only the root mean square value of vibration energy exceeds the standard but the main frequency does not deviate, the lifting cylinder 410 is controlled to reduce the lifting speed to 50% of the original speed, while the preload adjustment signal of the return spring 340 is increased (achieved through an external pneumatic auxiliary device) to provide greater flexible buffering; if both the root mean square value of vibration energy and the main frequency deviation exceed the standard, the lifting cylinder 410 is controlled to immediately stop rising and perform a small-amplitude descending-ascending reciprocating oscillation action (descending amplitude 2mm, ascending amplitude 4mm, oscillation frequency 2Hz), using the inertial force generated by the reciprocating motion and the elastic restoring force of the return spring 340 to make the micro-perforated plate 500 adjust its posture by itself, thereby achieving early intervention before jamming occurs and avoiding equipment downtime and damage to the micro-perforated plate 500 caused by complete jamming.

[0070] In some embodiments, the plate washing and sealing machine further includes a first electromagnetic drive unit, a second electromagnetic drive unit, a flexible guide rail assembly, and a main controller. Both the first and second electromagnetic drive units employ linear voice coil motors. The first electromagnetic drive unit is arranged along the X-direction and fixed to one side of the outer wall of the drying body 310, while the second electromagnetic drive unit is arranged along the Y-direction and fixed to the adjacent side of the drying body 310. The moving ends of both units are connected to the corresponding sides of the floating plate 320 via connecting rods, for applying a fine-tuning thrust along the XY direction of the horizontal plane to the floating plate 320. The flexible guide rail assembly consists of four elastic guide sleeves made of polyurethane material, which are respectively fitted around the guide sections 332 of the four guide posts 330 and located between the floating plate 320 and the drying body 310, for providing flexible guidance and limiting when the floating plate 320 undergoes horizontal fine-tuning. The main controller is communicatively connected to the first electromagnetic drive unit, the second electromagnetic drive unit, and the image acquisition module.

[0071] For example, firstly, the main controller controls the image acquisition module to continuously acquire images of the micro-perforated plate 500, and uses machine vision algorithms to detect the coordinates of the four corner points of the micro-perforated plate 500 in real time, and calculates the deflection angle θ and center offset (ΔX, ΔY) of the micro-perforated plate 500 relative to the clearance window 321.

[0072] Secondly, the main controller establishes a kinematic model for the horizontal adjustment of the floating plate 320. Since the floating plate 320 is connected to the guide column 330 via a flexible guide rail assembly, it has limited translational freedom in the horizontal plane (±3mm in both the X and Y directions), while maintaining horizontal balance through the elastic constraint of the return spring 340. Based on the detected deflection angle θ and center offset (ΔX, ΔY), the main controller calculates the magnitude and direction of the driving force required by the first and second electromagnetic drive units, causing the floating plate 320 to drive the guide platform 360 on it to undergo horizontal displacement, thereby correcting the relative positional relationship between the micro-perforated plate 500 and the clearance window 321.

[0073] Furthermore, during the process of the lifting mechanism 400 driving the floating plate 320 to rise, the main controller continuously updates the driving force command at a control frequency of no less than 100Hz. After receiving the command, the first electromagnetic drive unit and the second electromagnetic drive unit output the corresponding electromagnetic thrust in real time, pushing the floating plate 320 to make fine adjustments along the horizontal plane. When subjected to horizontal thrust, the flexible guide rail sleeve undergoes elastic deformation, which allows the horizontal displacement of the floating plate 320, while its elastic restoring force limits the floating plate 320 within a safe travel range, preventing excessive deviation.

[0074] Finally, when the image acquisition module detects that the deflection angle θ of the microperforated plate 500 drops below a preset angle threshold (e.g., 0.5°) and the center offset (ΔX, ΔY) drops below a preset position threshold (e.g., 0.5mm), the main controller determines that the microperforated plate 500 has been aligned with the center position of the clearance window 321. It then controls the lifting mechanism 400 to accelerate upwards, allowing the microperforated plate 500 to smoothly pass through the clearance window 321 and be lifted into place by the lifting arm 421. Throughout the process, because the floating plate 320 is always under the elastic constraint of the return spring 340, and the flexible guide rail sleeve provides buffer protection, the active attitude correction action will not cause mechanical impact to the microperforated plate 500 or the drying mechanism 300, achieving a high-precision, low-damage anti-jamming alignment effect.

[0075] In some embodiments, the plate washing and sealing machine further includes a thermal imaging sensor, a temperature compensation module, and a main controller. The thermal imaging sensor is an uncooled infrared thermal imager, mounted above the absorbent body 310 with its lens facing the clearance window 321, used to perform infrared thermal imaging on the surfaces of the microporous plate 500 and the floating plate 320 to acquire temperature distribution data. The temperature compensation module is integrated inside the main controller and is used to calculate thermal expansion compensation for the mating clearance between the guide table 360 ​​and the clearance window 321 based on the temperature distribution data. The main controller is communicatively connected to the thermal imaging sensor, the temperature compensation module, and the lifting cylinder 410.

[0076] For example, firstly, the main controller controls the thermal imaging sensor to perform infrared scanning on the working area of ​​the suction-drying mechanism 300 to obtain the surface temperature distribution map of the microplate 500 and the temperature gradient map of the floating plate 320. In continuous batch washing operations, due to the repeated contact of the suction needle 371 with the cleaning solution and the temperature difference of the sample carried by the microplate 500 itself, the temperature of the microplate 500 and the floating plate 320 will change slowly with the working time.

[0077] Secondly, based on the collected temperature data, the temperature compensation module uses a material thermal expansion coefficient database (pre-stored linear expansion coefficients of PP / PS for the micro-perforated plate 500 and aluminum alloy for the floating plate 320) and the current temperature value to calculate the thermal expansion deformation of the micro-perforated plate 500 and the guide stage 360. Specifically, the temperature compensation module calculates the expansion increment ΔL_plate of the micro-perforated plate 500 in the length and width directions, and the expansion increment ΔLstage of the guide slope 361 of the guide stage 360 ​​in the corresponding directions, according to the formula ΔL=L0*α*ΔT, where L0 is the initial size, α is the linear expansion coefficient, and ΔT is the temperature rise relative to the calibration temperature (usually 20℃).

[0078] Next, the temperature compensation module corrects the theoretical clearance value between the guide plate 360 ​​and the micro-orifice plate 500 based on the calculated expansion increment. When the temperature rises, both the micro-orifice plate 500 and the guide plate 360 ​​expand, but due to their different materials (PP / PS and aluminum alloy), their expansion amounts differ, causing the actual clearance to change. The temperature compensation module compares the corrected clearance value with a preset safety clearance threshold. If the corrected clearance is less than the safety clearance threshold (e.g., 0.3mm), it is determined that there is a risk of plate jamming due to thermal expansion.

[0079] Finally, when a risk of plate jamming is detected, the main controller takes the following compensatory measures: First, it controls the lifting cylinder 410 to reduce the lifting speed to 70% of its original speed to reduce the dynamic contact stress between the micro-perforated plate 500 and the guide table 360; second, it sends a warning signal to the main controller through the temperature compensation module, and the main controller displays a temperature abnormality prompt on the human-machine interface, suggesting that the operator suspend operation and wait for the equipment to cool down, or replace it with a larger-specification micro-perforated plate adapter. Through the above temperature adaptive control strategy, plate jamming failures caused by changes in the mating clearance due to changes in ambient temperature or equipment heat accumulation are effectively avoided, improving the operational reliability and applicability of the plate washing and sealing machine under different temperature conditions.

[0080] In some embodiments, the plate washing and sealing machine further includes an ultrasonic ranging sensor group, a digital twin simulation module, and a main controller. The ultrasonic ranging sensor group consists of four ultrasonic ranging sensors, which are respectively installed at the midpoints of the four inner sides of the clearance window 321, for real-time measurement of the dynamic gap values ​​between each sidewall of the microporous plate 500 and the inner wall of the clearance window 321. The digital twin simulation module runs in the high-performance computing unit of the main controller, and it pre-constructs three-dimensional digital models of the plate washing and sealing machine's drying mechanism 300 and the microporous plate 500, integrating the material properties, kinematic parameters, and mechanical characteristic parameters of each component. The main controller is communicatively connected to the ultrasonic ranging sensor group, the digital twin simulation module, and the lifting mechanism 400.

[0081] For example, firstly, before the lifting mechanism 400 performs the lifting action of the micro-perforated plate 500, the main controller controls the ultrasonic ranging sensor group to measure the initial gap between the micro-perforated plate 500 and the clearance window 321, obtains four sets of initial gap values, and inputs these data into the digital twin simulation module. At the same time, the main controller synchronously inputs the current air pressure value of the lifting cylinder 410, the compression amount of the return spring 340, and the batch specification parameters of the micro-perforated plate 500 (including material, dimensional tolerances, and weight) and other operating condition parameters into the digital twin simulation module.

[0082] Secondly, based on the aforementioned input data, the digital twin simulation module, under the control of the main controller, runs a complete simulation of the lifting process of the micro-perforated plate 500 at ultra-real-time speed. During the simulation, the digital twin model simulates the entire process of the micro-perforated plate 500 sliding along the guide ramp 361, passing through the clearance window 321, and being lifted by the lifting arm 421. It also calculates the theoretical gap values, contact force distribution, and deformation of the micro-perforated plate 500 between each sidewall of the micro-perforated plate 500 and the inner wall of the clearance window 321 at each simulation time step. The simulation calculation uses the finite element method, comprehensively considering the elastic deformation of the micro-perforated plate 500, the nonlinear stiffness characteristics of the return spring 340, and the dynamic response characteristics of the lifting cylinder 410.

[0083] Furthermore, the digital twin simulation module outputs prediction results after the simulation is completed, including: the minimum theoretical gap value, the maximum contact stress value, and the probability index of plate jamming of the micro-perforated plate 500 throughout the entire lifting process. The main controller analyzes and judges the prediction results: if the minimum theoretical gap value is greater than the preset safety gap (e.g., 0.5 mm) and the maximum contact stress value is less than 30% of the yield strength of the micro-perforated plate 500 material, the lifting process is deemed safe and feasible; if the minimum theoretical gap value is between the preset safety gap and the preset limit gap (e.g., 0.2 mm), or the maximum contact stress value exceeds 30% of the yield strength, a potential risk of plate jamming is determined; if the minimum theoretical gap value is less than the preset limit gap, or if an abnormal situation occurs during the simulation where the micro-perforated plate 500 and the clearance window 321 undergo geometric penetration, a high probability risk of plate jamming is determined.

[0084] Finally, the main controller executes a tiered decision-making strategy based on the prediction results: when the lifting process is deemed safe and feasible, the lifting mechanism 400 is controlled to perform the lifting action at normal speed; when a potential jamming risk is identified, the lifting mechanism 400 is controlled to perform the lifting action in a reduced speed mode (speed reduced to 60% of the original speed), while the vibration monitoring described in Example 5 is activated for real-time tracking; when a high probability of jamming risk is identified, the main controller refuses to perform the lifting action, controls the lifting mechanism 400 to maintain its current position, and prompts the operator through the human-machine interface to check the placement status of the microperforated plate 500 or replace the batch of microperforated plates. The operation process can only be restarted after the operator confirms the intervention. By predicting jamming risks in advance through digital twin simulation, a shift from "post-event detection" to "pre-event prediction" is achieved, significantly improving the intelligence level and operational safety of the plate washing and sealing machine.

[0085] In the above embodiments, the descriptions of each embodiment have their own emphasis. Parts not described in detail in a particular embodiment can be referred to in the relevant descriptions of other embodiments. The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0086] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.

[0087] While the present invention has been specifically described above in conjunction with the accompanying drawings and embodiments, it is to be understood that the above description does not limit the present invention in any way. Those skilled in the art can make modifications and variations to the present invention as needed without departing from the essential spirit and scope of the invention, and all such modifications and variations fall within the scope of the present invention.

Claims

1. A plate washing and sealing machine with an anti-jamming limiting structure, used for cleaning and sealing microporous plates, characterized in that, The plate washing and sealing machine with anti-jamming plate limiting structure includes: support; A conveying mechanism, mounted on the support, is used to convey the microplate; A suction mechanism, installed on the support and positioned above the conveying mechanism, is used to suction liquid from each hole in the microplate. A lifting mechanism, mounted on the bracket, is used to lift the microplate from the conveying mechanism to the drying mechanism; The drying mechanism includes a drying body, a floating plate disposed between the drying body and the conveying mechanism, and at least two guide posts. The two guide posts are spaced apart on the drying body. The floating plate is slidably connected to the drying body via the guide posts. The floating plate can move up and down relative to the drying body. An opening is provided on the floating plate for a microporous plate to pass through and extend into the drying mechanism. Multiple guide platforms are arranged around the opening, and each guide platform has a guide slope on the side facing the opening. The system also includes an image acquisition module and a main control unit. The device includes an image acquisition module mounted on the absorbent body facing the air-avoiding window. The main controller is communicatively connected to both the image acquisition module and the lifting mechanism. The main controller controls the image acquisition module to capture images of the microporous plate located below the air-avoiding window, thereby obtaining images of the microporous plate. Edge detection processing is performed on the microporous plate images to extract edge feature information of the microporous plate. The offset of the edge feature information relative to a preset standard position is calculated to determine whether there is a jamming problem and to control the lifting mechanism to stop descending or perform a reset action to prevent the microporous plate from jamming.

2. The plate washing and sealing machine with anti-jamming plate limiting structure according to claim 1, characterized in that, The guide posts are provided in a quantity of 4, which are evenly distributed at the four corners of the floating plate. Each guide post is fitted with a reset spring, which is located between the floating plate and the absorbent body.

3. The plate washing and sealing machine with anti-jamming plate limiting structure according to claim 2, characterized in that, The floating plate has through holes corresponding to each of the guide posts, and the suction body has through holes corresponding to each of the through holes. The guide posts have sequentially distributed threaded sections, guide sections, and stepped sections. The guide sections are inserted through the through holes and the through holes. The stepped sections are located on the side of the floating plate opposite to the suction body. The threaded sections extend at least partially out of the through holes on the side opposite to the floating plate. The suction mechanism also includes multiple nuts, each of which is threadedly connected to the threaded section.

4. The plate washing and sealing machine with anti-jamming plate limiting structure according to claim 1, characterized in that, The suction body is provided with a suction groove and a suction channel communicating with the suction groove. The suction channel is connected to an external suction pump. The suction mechanism also includes a suction seat and a plurality of suction needles disposed on the suction seat. The suction seat is disposed in the suction groove. When the microporous plate is lifted, each hole on the microporous plate passes through the air-proof window and is sleeved to the outside of the corresponding suction needle.

5. The plate washing and sealing machine with anti-jamming limiting structure according to claim 1, characterized in that, The conveying mechanism includes a conveying motor, two pulleys, a belt, and multiple positioning blocks. The conveying motor is mounted on the bracket. The two pulleys are rotatably mounted on the bracket at intervals, and one of the pulleys is connected to the output shaft of the conveying motor. The belt is sleeved on the two belts. The positioning blocks are arranged at intervals on the belts, and a micro-perforated plate is placed between two adjacent positioning blocks.

6. The plate washing and sealing machine with anti-jamming plate limiting structure according to claim 5, characterized in that, The lifting mechanism includes a lifting cylinder and a lifting frame. The lifting cylinder is fixedly installed on the support. The lifting frame has two lifting arms. The two lifting arms are arranged parallel to the conveying direction of the belt. The two lifting arms are located on both sides of the belt. The two lifting arms can lift the microporous plate to both sides of the conveying mechanism under the drive of the lifting cylinder so that the microporous plate can be raised and lowered.

7. The plate washing and sealing machine with anti-jamming plate limiting structure according to claim 1, characterized in that, The main controller calculates the offset of the edge feature information relative to a preset standard position; when the offset exceeds a preset threshold, it determines that the plate is abnormal and controls the lifting mechanism to stop descending or perform a reset action to prevent the micro-perforated plate from getting stuck.

8. The plate washing and sealing machine with anti-jamming plate limiting structure according to claim 1, characterized in that, It also includes a pressure sensor array, which is embedded in the inner walls of the sheltered window. The main controller is communicatively connected to the pressure sensor array. The main controller collects the contact pressure distribution data output by the pressure sensor array in real time. Based on the contact pressure distribution data, it constructs a force model of the contact between the micro-perforated plate sidewall and the guide inclined surface. It determines whether the force on the micro-perforated plate is balanced according to the force model. When it is determined that the force is unbalanced, it generates an adjustment command to control the lifting mechanism to adjust the lifting speed or fine-tune the lifting position until the force distribution tends to be balanced.

9. The plate washing and sealing machine with anti-jamming plate limiting structure according to claim 1, characterized in that, It also includes an audio acquisition module, which is mounted on the bracket. The main controller is communicatively connected to the audio acquisition module and the suction-drying mechanism. The main controller acquires the ambient sound signal generated by the suction-drying mechanism when it performs suction on the microporous plate; performs spectral analysis on the sound signal to extract characteristic frequency components; and matches and compares the characteristic frequency components with a pre-stored abnormal sound model. If the match is successful, it is determined that the suction line is blocked or the liquid is full, and the suction mechanism is controlled to stop the current suction action and trigger an alarm.

10. The plate washing and sealing machine with anti-jamming plate limiting structure according to claim 1, characterized in that, It also includes a depth vision sensor, which is installed above the absorbent body. The main controller is communicatively connected to the depth vision sensor and the conveying mechanism. The main controller controls the depth vision sensor to scan the microperforated plate on the conveying mechanism to obtain the three-dimensional depth point cloud data of the microperforated plate. Based on the three-dimensional depth point cloud data, the real-time attitude angle and position coordinates of the micro-perforated plate in three-dimensional space are calculated; based on the real-time attitude angle and position coordinates, it is determined whether the micro-perforated plate is within the predetermined lifting range; when it is determined that it is within the predetermined range, a start signal is generated to control the lifting mechanism to start performing the lifting action.

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