LED display panel cleaning equipment and process

Abstract

The LED display panel cleaning equipment comprises a rack, a conveying mechanism used for conveying an LED display panel is arranged on the rack, and a dry brushing mechanism, an ultrasonic dust removal mechanism and two or more cleaning mechanisms are sequentially arranged on the rack in the conveying direction of the LED display panel; each cleaning mechanism comprises a cleaning liquid wiping assembly and a flame drying assembly; the conveying mechanism comprises a conveying rail and a fixed rail which are arranged in parallel, a feeding moving platform, a transfer moving platform and a discharging moving platform are arranged on the conveying rail in a sliding mode, and a feeding transplanting arm and a discharging transplanting arm are installed on the fixed rail; the feeding moving platform moves between the dry brushing mechanism and the feeding transplanting arm and passes through the ultrasonic dust removal mechanism; the transfer moving platform moves between the feeding transplanting arm and the last cleaning mechanism; the discharging moving platform moves between the first cleaning mechanism and the discharging transplanting arm. The LED display panel cleaning device has the effect of achieving efficient and automatic cleaning of the LED display panel.

Description

Technical Field

[0001] This application relates to the field of LED display panel cleaning technology, and in particular to LED display panel cleaning equipment and processes. Background Technology

[0002] During the production and processing of LED display panels, dust, particulate impurities, and minor stains easily adhere to the panel surface. These contaminants directly affect the display effect and may interfere with the precision of subsequent assembly processes. Therefore, it is necessary to clean the impurities, dust, and stains from the panel surface. Additionally, due to adhesive overflow at the edges of the LED display panel caused during the pre-sealing stage, the edges of the panel also need to be cleaned. In existing technologies, manual inspection is typically performed during the subsequent assembly stage, using brushes to remove dust and impurities. However, manual operation can easily scratch the surface of the LED display panel; moreover, brushes can only remove larger particles, leaving significant residue of fine dust. Furthermore, both the front and back of the LED display panel require cleaning, and manually flipping them over is difficult, easily causing the LED display panel to re-adhere to dust. Most importantly, manual cleaning is inefficient, impacting production efficiency. Therefore, how to achieve efficient automated cleaning of LED display panels is a problem that those skilled in the art need to consider. Summary of the Invention

[0003] To achieve efficient and automated cleaning of LED display panels, this application provides LED display panel cleaning equipment and processes.

[0004] The LED display panel cleaning equipment and process provided in this application adopt the following technical solution: LED display panel cleaning equipment and process, including a frame, on which a conveying mechanism for conveying LED display panels is provided, and along the conveying direction of the LED display panels, a dry brushing mechanism, an ultrasonic dust removal mechanism and two or more cleaning mechanisms are sequentially arranged on the frame; each cleaning mechanism includes a cleaning liquid wiping component and a flame drying component; The conveying mechanism includes a conveying track and a fixed track arranged parallel to each other. A feeding moving platform, a transfer moving platform, and a discharging moving platform are slidably arranged on the conveying track. A feeding transplanting arm and a discharging transplanting arm are installed on the fixed track. The feeding moving platform, the transfer moving platform, and the discharging moving platform are used to adsorb the bottom wall of the LED display panel. The working ends of the feeding transplanting arm and the discharging transplanting arm can extend from the fixed track to above the conveying track to adsorb the top wall of the LED display panel. The dry brush mechanism is located at the feed end of the conveyor track. The ultrasonic dust removal mechanism is located above the conveyor track and spaced apart from the dry brush mechanism. Two or more cleaning mechanisms are located on one side of the conveyor track. The feed transfer arm is located between the ultrasonic dust removal mechanism and the first cleaning mechanism. The discharge transfer arm is located above the discharge end of the conveyor track and spaced apart from the last cleaning mechanism. The feed moving platform moves between the dry brush mechanism and the feed transfer arm, and passes through the ultrasonic dust removal mechanism. The transfer moving platform moves between the feed transfer arm and the last cleaning mechanism. The discharge moving platform moves between the first cleaning mechanism and the discharge transfer arm.

[0005] By adopting the above technical solution, the transplanting arm in the previous process is driven to move to the dry brushing mechanism to clean the impurities attached to the bottom wall of the LED display panel. After dry brushing, the LED display panel is handed over to the feeding moving platform; then, the feeding moving platform passes under the ultrasonic dust removal mechanism to clean the impurities and dust attached to the top wall of the LED display panel; when the feeding moving platform drives the LED display panel to move directly under the feeding transplanting arm, it stops and hands the LED display panel over to the feeding transplanting arm. After the feeding mobile platform leaves, the transfer mobile platform moves to directly below the feeding transfer arm and hands over the LED display panel to the transfer mobile platform. The transfer mobile platform then drives the LED display panel away and places it into the first cleaning mechanism for cleaning. At the same time, the above steps are repeated. At this point, the second LED display panel is handed over to the feeding transfer arm. After leaving the first cleaning mechanism, the transfer mobile platform returns to the feeding transfer arm to hand over the second LED display panel and places it into the second cleaning mechanism for cleaning. After placement, the transfer mobile platform returns to the feeding transfer arm to await the next handover. After the first cleaning unit finishes cleaning the edges of the LED display panel, it undergoes flame drying. The unloading platform then moves to the first cleaning unit to remove the cleaned and dried LED display panel. Next, the unloading platform drives the LED display panel closer to the unloading transfer arm, stopping directly beneath it and transferring the panel to the arm for removal by the next process. Immediately afterward, the platform moves to the second cleaning unit, removes the second LED display panel, and returns to the unloading transfer arm for handover. After handover, it waits behind the unloading transfer arm. Simultaneously, once the first cleaning unit becomes available, the transfer platform immediately places the third LED display panel into it, repeating the above steps to achieve multi-station automated cleaning. This equipment provides a continuous conveying channel for LED display panels via a conveyor mechanism, driving the panels sequentially through each cleaning station according to a preset rhythm. This ensures the smooth operation of the entire cleaning process and significantly improves the efficiency of LED display panel cleaning while maintaining cleaning effectiveness. The dry brush mechanism serves as the first cleaning component for the panels, using brushes to initially remove larger particles and dust from the panel surface, preparing it for subsequent fine cleaning. The ultrasonic dust removal mechanism, in conjunction with the power output of the ultrasonic unit, uses air pressure to blow away the fine dust remaining after brush cleaning, achieving fine dust removal from the panel surface.

[0006] Optionally, the feeding moving platform includes an X-axis moving unit, a Y-axis moving unit, a Z-axis moving unit, and a suction cup panel; one end of the X-axis moving unit is connected to the conveying track, and the other end is connected to the Y-axis moving unit, and the X-axis moving unit is used to drive the Y-axis moving unit to move along the conveying track, i.e., the X-axis direction; the bottom of the Z-axis moving unit is connected to the Y-axis moving unit, and the top of the Z-axis moving unit is connected to the suction cup panel, and the Y-axis moving unit is used to drive the Z-axis moving unit to move along the Y-axis direction, and the Z-axis moving unit is used to drive the suction cup panel to move along the height direction, i.e., the Z-axis direction, for fine adjustment.

[0007] Optionally, the suction cup panel includes a base plate, on which a first set of suction components, a second set of suction components, a third set of suction components, a fourth set of suction components, a fifth set of suction components and a sixth set of suction components are embedded, and the six sets of suction components are symmetrically arranged along the center line of the base plate in the Y-axis direction. The first set of adsorption components is located at the edge of the base plate near the cleaning mechanism. The first set of adsorption components includes four vacuum nozzles, which are distributed along the four vertices of the rectangle. The second group of adsorption components surrounds the first group of adsorption components. The second group of adsorption components includes five vacuum nozzles, which surround the first group of adsorption components to form a larger rectangle. The third adsorption assembly includes four vacuum nozzles, which are arranged in groups of two and located on both sides of the second adsorption assembly in the X-axis direction. The fourth adsorption assembly includes four vacuum nozzles, which are arranged in groups of two and located on both sides of the third adsorption assembly in the X-axis direction. The fifth adsorption assembly includes six vacuum nozzles, with three vacuum nozzles forming a group, located at the two edges of the base plate in the X-axis direction. The sixth adsorption assembly includes three vacuum nozzles arranged along the X-axis and located on the side of the fourth adsorption assembly away from the cleaning mechanism.

[0008] Optionally, the base plate is provided with six gas paths. The first adsorption assembly, the second adsorption assembly, the third adsorption assembly, the fourth adsorption assembly, the fifth adsorption assembly and the sixth adsorption assembly are each connected to the gas distribution equipment installed on the frame through one gas path, and each gas path is provided with a machine cut-off switch on the base plate.

[0009] Optionally, the top wall of the vacuum nozzle is higher than the base plate, the base plate is covered with Teflon tape, and the vacuum nozzle is an anti-static nozzle.

[0010] Optionally, the feeding and transferring arm includes a fixed frame, a horizontal frame, an adjusting plate, a vacuum suction cup, and a cutter handle. The fixed frame is movably mounted on a fixed track and is fixed to the fixed track by bolts. The horizontal frame is fixedly mounted on the top of the fixed frame. The adjusting plate is movably mounted on the horizontal frame via the cutter handle. The vacuum suction cup is suspended on the adjusting plate. By adjusting the adjusting plate, the suction position of the vacuum suction cup can be adjusted to adapt to LED display panels of different sizes. A sensor is also installed on the adjusting plate to detect whether an LED display panel is being suctioned.

[0011] Optionally, the cleaning fluid wiping assembly includes a machine body, a take-up and untake-up roll, a cleaning cloth, an upper pressure head, and a lower pressure head. The machine body is fixedly mounted on a frame, the take-up and untake-up roll is mounted on the machine body, and the cleaning cloth is wound around the take-up and untake-up roll. The lower pressure head is mounted on the edge of the machine body near the conveyor track and protrudes from the edge of the machine body. The upper pressure head is located directly above the lower pressure head and is movably mounted on the machine body. It is driven to move up and down by a servo motor. The cleaning cloth passes around the upper and lower pressure heads from the side near the conveyor track, and a wiping area is formed between the upper and lower pressure heads. It also includes a liquid supply device, which includes an alcohol tank and a nozzle. The alcohol tank is installed outside the frame, and the nozzle is installed on an upper pressure head and a lower pressure head. The upper pressure head and the lower pressure head have a through-hole for dripping. One end of the nozzle is connected to the alcohol tank through a pipe, and the other end is connected to the dripping hole. A limit sensor is installed inside the alcohol tank to detect the liquid level in the alcohol tank.

[0012] Optionally, the take-up and unwinding component includes a cloth roll reel, a take-up reel, a drive reel, and a driven reel. The cloth roll reel and the take-up reel are rotatably mounted on the side wall of the machine body. The starting end of the cleaning cloth is wound on the cloth roll reel, and the ending end of the cleaning cloth is wound on the take-up reel. Three driven wheels are provided on one side of the cloth roll wheel. The three driven wheels form an inverted acute triangle. The two driven wheels at the top are rotatably connected to the machine body through a rotating shaft. A slide rail and a slider are vertically installed in the middle of the wheel. The driven wheel at the bottom is rotatably mounted on the slider through a rotating shaft. The slider is driven by a cylinder. A drive wheel is provided on the plane where the wiping area between the upper and lower pressure heads is located. The cleaning cloth passes around the side of the upper pressure head, then passes around the drive wheel, and then passes around the lower pressure head. A driven wheel for steering is also provided next to the upper and lower pressure heads.

[0013] Optionally, the dry brushing mechanism includes a mounting frame, a brush, and a driving motor. The mounting frame is fixedly mounted on the conveyor rail, and the brush is rotatably mounted on the top of the mounting frame via a rotating shaft and driven to rotate by the motor. The top of the brush is exposed outside the mounting frame, and the apex of the outer contour of the brush is slightly higher than the top wall of the feeding moving platform for cleaning the bottom wall of the LED display panel.

[0014] This application also discloses an LED display panel cleaning process, including the following steps: S1, the transplanting arm of the previous process drives the LED display panel through the dry brushing mechanism to clean the impurities attached to the bottom wall of the LED display panel. S2, the feeding moving platform moves to the feeding end of the conveyor track and waits. The transfer arm of the previous process hands over the LED display panel to the feeding moving platform. The feeding moving platform drives the LED display panel past the ultrasonic dust removal mechanism to clean the impurities and dust attached to the top wall of the LED display panel. When the feeding moving platform drives the LED display panel to move directly under the feeding transfer arm, it stops moving and hands the LED display panel over to the feeding transfer arm. The feeding moving platform returns to the feeding end of the conveyor track and waits. Repeat S2. S3: The transfer platform moves to directly below the feeding and transplanting arm and hands over the LED display panel to the transfer platform; the transfer platform drives the LED display panel away and places it into the first cleaning mechanism for cleaning; after leaving the first cleaning mechanism, the transfer platform returns to the feeding and transplanting arm for handover and places the second LED display panel into the second cleaning mechanism for cleaning; after placement, the transfer platform returns to the feeding and transplanting arm to wait for the next handover; repeat S3; S4, after the first cleaning mechanism completes cleaning, the discharge moving platform moves to the first cleaning mechanism, removes the LED display panel, and moves to directly below the discharge transfer arm, handing the LED display panel over to the discharge transfer arm, where the next process is responsible for removing the LED display panel; then, the discharge moving platform moves to the second cleaning mechanism, removes the second LED display panel, and returns to the discharge transfer arm for handover; after the handover is completed, it waits at the discharge transfer arm; repeat S4.

[0015] In summary, this application includes at least one of the following beneficial technical effects: This equipment provides a continuous conveying channel for LED display panels via a conveyor mechanism, driving the panels sequentially through each cleaning station according to a preset rhythm. This ensures the smooth operation of the entire cleaning process and significantly improves the efficiency of LED display panel cleaning while maintaining cleaning effectiveness. The dry brush mechanism serves as the first cleaning component for the panels, using brushes to initially remove larger particles and dust from the panel surface, preparing it for subsequent fine cleaning. The ultrasonic dust removal mechanism, in conjunction with the power output of the ultrasonic unit, uses air pressure to blow away the fine dust remaining after brush cleaning, achieving fine dust removal from the panel surface. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the LED display panel cleaning device according to an embodiment of this application.

[0017] Figure 2 This is a schematic diagram of the ultrasonic dust removal mechanism and alcohol tank according to an embodiment of this application.

[0018] Figure 3 This is a structural isometric schematic diagram of the conveying mechanism according to an embodiment of this application.

[0019] Figure 4 This is a top view of the conveying mechanism in an embodiment of this application.

[0020] Figure 5 This is a side view of the conveying mechanism according to an embodiment of this application.

[0021] Figure 6 This is a schematic diagram of the conveyor track in an embodiment of this application.

[0022] Figure 7 This is an isometric view of the feeding moving platform according to an embodiment of this application.

[0023] Figure 8 This is a side view of the feeding mobile platform according to an embodiment of this application.

[0024] Figure 9 This is an isometric view of the fixed track structure according to an embodiment of this application.

[0025] Figure 10 This is a top view of the fixed track in an embodiment of this application.

[0026] Figure 11 This is an isometric view of the feeding and transplanting arm in an embodiment of this application.

[0027] Figure 12 This is a side view of the feeding and transplanting arm in an embodiment of this application.

[0028] Figure 13 This is an isometric view of the cleaning fluid wiping assembly according to an embodiment of this application.

[0029] Figure 14 This is a side view of the cleaning fluid wiping assembly according to an embodiment of this application.

[0030] Explanation of reference numerals in the attached drawings: 1. Frame; 11. Alcohol tank; 2. Conveying mechanism; 21. Conveying track; 22. Fixed track; 23. Feeding moving platform; 231. X-axis moving unit; 232. Y-axis moving unit; 233. Z-axis moving unit; 24. Transfer moving platform; 25. Discharge moving platform; 26. Feeding transplanting arm; 261. Fixed frame; 262. Horizontal frame; 263. Adjusting plate; 264. Vacuum suction cup; 265. Cutting handle; 27. Discharge transplanting arm; 3. Dry brush mechanism; 31. Mounting frame; 32. Brush; 4. Ultrasonic dust removal mechanism 5. Cleaning mechanism; 51. Cleaning liquid wiping assembly; 511. Machine body; 512. Cleaning cloth; 513. Upper pressure head; 514. Lower pressure head; 515. Liquid nozzle; 516. Cloth roll wheel; 517. Retrieval wheel; 518. Drive wheel; 519. Driven wheel; 52. Flame drying assembly; 6. Suction cup panel; 61. First adsorption assembly; 62. Second adsorption assembly; 63. Third adsorption assembly; 64. Fourth adsorption assembly; 65. Fifth adsorption assembly; 66. Sixth adsorption assembly; 67. Base plate; 68. Vacuum nozzle; 69. Machine cut-off switch. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1 - Appendix Figure 14 This application will be described in further detail.

[0032] This application discloses an LED display panel cleaning device. (Refer to...) Figure 1 and Figure 2 The LED display panel cleaning equipment includes a frame 1, which has an inlet port and an outlet port. A conveying mechanism 2 for transporting LED display panels is installed through the inlet port and extends through the frame 1. Along the conveying direction of the LED display panels, a dry brush mechanism 3, an ultrasonic dust removal mechanism 4, and two or more cleaning mechanisms 5 are sequentially arranged on the frame 1. Figure 3 As shown, in this embodiment of the application, two cleaning mechanisms 5 are provided, each cleaning mechanism 5 including a cleaning liquid wiping component 51 and a flame drying component 52.

[0033] Reference Figure 3 and Figure 4The conveying mechanism 2 includes a conveying track 21 and a fixed track 22 arranged parallel to each other, both of which are fixedly installed within the frame 1. A feeding moving platform 23, a transfer moving platform 24, and a discharging moving platform 25 are slidably mounted on the conveying track 21, and these platforms are used to adhere to the bottom wall of the LED display panel. A feeding transplanting arm 26 and a discharging transplanting arm 27 are installed on the fixed track 22. The working ends of the feeding transplanting arm 26 and the discharging transplanting arm 27 can extend from the fixed track 22 above the conveying track 21 to adhere to the top wall of the LED display panel.

[0034] Reference Figure 3 and Figure 4 The dry brush mechanism 3 is located on the feed end of the conveyor track 21. The ultrasonic dust removal mechanism 4 is located above the conveyor track 21 and spaced apart from the dry brush mechanism 3. Two cleaning mechanisms 5 are located on one side of the conveyor track 21. The feed transfer arm 26 is located between the ultrasonic dust removal mechanism 4 and the first cleaning mechanism 5. The discharge transfer arm 27 is located above the discharge end of the conveyor track 21 and spaced apart from the last cleaning mechanism 5. The feed moving platform 23 moves between the dry brush mechanism 3 and the feed transfer arm 26, and passes the ultrasonic dust removal mechanism 4. The transfer moving platform 24 moves between the feed transfer arm 26 and the last cleaning mechanism 5. The discharge moving platform 25 moves between the first cleaning mechanism 5 and the discharge transfer arm 27.

[0035] Reference Figure 3 and Figure 5 The dry brushing mechanism 3 includes a mounting frame 31, a brush 32, and a drive motor. The mounting frame 31 is fixedly mounted on the conveyor rail 21. The brush 32 is rotatably mounted on the top of the mounting frame 31 via a rotating shaft and is driven by the motor to rotate. The top of the brush 32 is exposed outside the mounting frame 31, and the apex of the outer contour of the brush 32 is slightly higher than the top wall of the feed moving platform 23, for cleaning the bottom wall of the LED display panel.

[0036] The ultrasonic dust removal mechanism 4 is a dry ultrasonic dust removal device. Its main unit is installed outside the frame 1, and its working end is suspended on the frame 1, positioned directly above the conveyor track 21 and higher than the top wall of the feed moving platform 23, for cleaning the top wall of the LED display panel. The structure of the dry ultrasonic dust removal device is existing technology and will not be described in detail here.

[0037] After the LED display panel completes the processing of the previous step, it is moved above the dry brushing mechanism 3 by the transfer arm from the previous step, so that the bottom wall of the LED display panel contacts the outer contour apex of the brush 32 of the dry brushing mechanism 3. Then, the transfer arm from the previous step drives the LED display panel to move horizontally, and the brush 32 rotates to clean the impurities attached to the bottom wall of the LED display panel. At the same time, the feeding moving platform 23 moves to the feeding end of the conveying track 21 to wait. When the transfer arm from the previous step drives the LED display panel to move horizontally above the feeding moving platform 23, it stops moving, and the handover of the LED display panel is completed.

[0038] Subsequently, the feeding moving platform 23 drives the LED display panel closer to the feeding transfer arm 26. During this process, the LED display panel passes under the ultrasonic dust removal mechanism 4, cleaning the impurities and dust attached to the top wall of the LED display panel. When the feeding moving platform 23 drives the LED display panel to move directly under the feeding transfer arm 26, it stops moving and transfers the LED display panel onto the feeding transfer arm 26.

[0039] After the feeding mobile platform 23 leaves, the transfer mobile platform 24 moves to directly below the feeding transfer arm 26, where the LED display panel is transferred to the transfer mobile platform 24. The transfer mobile platform 24 then drives the LED display panel away, placing it into the first cleaning mechanism 5 for cleaning. Simultaneously, the above steps are repeated. At this time, the second LED display panel is transferred to the feeding transfer arm 26. After leaving the first cleaning mechanism 5, the transfer mobile platform 24 returns to the feeding transfer arm 26 for transfer, placing the second LED display panel into the second cleaning mechanism 5 for cleaning. After placement, the transfer mobile platform 24 returns to the feeding transfer arm 26 to await the next transfer.

[0040] After the first cleaning unit 5 finishes cleaning the edges of the LED display panel, it undergoes flame drying. The discharge moving platform 25 then moves to the first cleaning unit 5 and removes the cleaned and dried LED display panel. Next, the discharge moving platform 25 drives the LED display panel closer to the discharge transfer arm 27, stopping directly beneath it and transferring the panel onto the arm for the next process to remove. Immediately afterward, the discharge moving platform 25 moves to the second cleaning unit 5, removes the second LED display panel, and returns to the discharge transfer arm 27 for handover. After the handover, it waits behind the discharge transfer arm 27.

[0041] Meanwhile, once the first cleaning unit 5 is vacated, the transfer mobile platform 24 immediately places the third LED display panel into the first cleaning unit 5, repeating the above steps to achieve multi-station automated cleaning.

[0042] The equipment provides a continuous conveying channel for LED display panels via the conveying mechanism 2, driving the panels sequentially through each cleaning station according to a preset rhythm, ensuring the smooth operation of the entire cleaning process and greatly improving the efficiency of LED display panel cleaning while maintaining cleaning effectiveness. The dry brush mechanism 3 serves as the first cleaning component for the panels, with brushes 32 contacting the panel surface to initially remove larger particles of impurities and dust, laying the groundwork for subsequent fine cleaning. The ultrasonic dust removal mechanism 4, in conjunction with the power output of the ultrasonic main unit, uses air pressure and airflow to blow away the fine dust remaining after the brushes 32 cleaning, achieving fine dust removal from the panel surface.

[0043] Reference Figure 6 and Figure 7 The feeding moving platform 23 includes an X-axis moving unit 231, a Y-axis moving unit 232, a Z-axis moving unit 233, and a suction cup panel 6. The output end of the X-axis moving unit 231 is connected to the conveying track 21, and the fixed end of the Y-axis moving unit 232 is connected to the fixed end of the X-axis moving unit 231. The X-axis moving unit 231 can drive the Y-axis moving unit to move along the length direction of the conveying track 21, i.e., the X-axis direction. The bottom of the fixed end of the Z-axis moving unit 233 is connected to the output end of the Y-axis moving unit 232, and the top of the output end of the Z-axis moving unit 233 is connected to the bottom of the suction cup panel 6. The Y-axis moving unit 232 is used to drive the Z-axis moving unit 233 and the suction cup panel 6 to move together along the Y-axis direction, and the Z-axis moving unit 233 is used to drive the suction cup panel 6 to move along the height direction, i.e., the Z-axis direction, for fine adjustment.

[0044] The transfer mobile platform 24 and the discharge mobile platform 25 have the same structure as the infeed mobile platform 23, and will not be described in detail here.

[0045] In this embodiment, both the X-axis moving unit 231 and the Y-axis moving unit 232 are commercially available linear motion modules, and their specific structures and working principles will not be described in detail here. The Z-axis moving unit 233 is a threaded rod driven structure, which is used to precisely adjust the height of the suction cup panel 6, and the threaded rod driven structure has a low cost.

[0046] Reference Figure 7 and Figure 8 The suction cup panel 6 includes a base plate 67. To accommodate LED display panels of different sizes and quantities, the base plate 67 is embedded with a first set of suction components 61, a second set of suction components 62, a third set of suction components 63, a fourth set of suction components 64, a fifth set of suction components 65, and a sixth set of suction components 66. All six sets of suction components are symmetrically arranged along the center line of the base plate 67 in the Y-axis direction. In this embodiment, each base plate 67 is designed to hold two LED display panels. Figure 7 The two largest LED display panels that can be adapted are shown in the image.

[0047] Reference Figure 7 The first set of adsorption components 61 is located at the edge of the base plate 67 near the cleaning mechanism 5. The first set of adsorption components 61 includes four vacuum nozzles 68, which are distributed along the four vertices of the rectangle. The second adsorption assembly 62 surrounds the first adsorption assembly 61. The second adsorption assembly 62 includes five vacuum nozzles 68, which surround the first adsorption assembly 61 to form a larger rectangle. The third adsorption assembly 63 includes four vacuum nozzles 68, which are arranged in two groups and located on both sides of the second adsorption assembly 62 in the X-axis direction. The fourth adsorption assembly 64 includes four vacuum nozzles 68, which are arranged in groups of two and located on both sides of the third adsorption assembly 63 in the X-axis direction. The fifth adsorption assembly 65 includes six vacuum nozzles 68, with three vacuum nozzles 68 forming a group, located at the two edges of the base plate 67 in the X-axis direction. The sixth adsorption assembly 66 includes three vacuum nozzles 68, which are arranged along the X-axis and located on the side of the fourth adsorption assembly 64 away from the cleaning mechanism 5.

[0048] The six sets of adsorption components on the base plate 67 are designed to accommodate LED display panels of varying numbers and sizes to the greatest extent possible. When cleaning is required... Figure 7 When cleaning the two largest LED display panels shown, all six adsorption components are activated to provide sufficient adsorption and support. When cleaning the two smaller LED display panels, the fifth adsorption component 65 and the sixth adsorption component 66 are deactivated as needed. When cleaning a single smaller LED display panel, the first adsorption component 61, the second adsorption component 62, or the third adsorption component 63 are activated as needed.

[0049] Reference Figure 7 The base plate 67 is equipped with six gas paths. The first adsorption assembly 61, the second adsorption assembly 62, the third adsorption assembly 63, the fourth adsorption assembly 64, the fifth adsorption assembly 65 and the sixth adsorption assembly 66 are respectively connected to the gas distribution equipment installed on the frame 1 through one gas path, and each gas path is equipped with a machine cut-off switch 69 on the base plate 67.

[0050] When cutting, the operator only needs to manually turn the cutting switch 69 to complete the quick cutting. There are three moving platforms in total, and the total time required is expected to be 3-5 minutes. It is fast and easy to operate.

[0051] More specifically, refer to Figure 7 and Figure 8The top wall of the vacuum nozzle 68 is higher than the base plate 67. The base plate 67 is covered with Teflon tape. The vacuum nozzle 68 is an anti-static nozzle.

[0052] On the one hand, it can prevent the panel from being punctured during handover and transportation, and on the other hand, it can reduce the amount of dust adhering to the LED display panel due to electrostatic adsorption.

[0053] Reference Figures 9-12 The feeding and transplanting arms 26 and 27 have similar structures; taking the feeding and transplanting arm 26 as an example, the feeding and transplanting arm 26 includes a fixed frame 261, a horizontal frame 262, an adjusting plate 263, a vacuum suction cup 264, and a cutter handle 265. The fixed frame 261 is movably mounted on the fixed rail 22 and is fixed to the fixed rail 22 by bolts, and is fixed in the designed position as needed. The horizontal frame 262 is fixedly mounted on the top of the fixed frame 261. The adjusting plate 263 is movably mounted on the horizontal frame 262 via the cutter handle 265. The vacuum suction cup 264 is suspended on the adjusting plate 263. By adjusting the adjusting plate 263, the suction position of the vacuum suction cup 264 can be adjusted to adapt to LED display panels of different sizes. A sensor is also installed on the adjusting plate 263 to detect whether an LED display panel is being suctioned.

[0054] The LED display panel is transferred via adsorption, avoiding secondary contamination caused by manual contact. It can also be transferred to any of the cleaning stations, improving throughput efficiency with the dual-station setup. When cutting is required, the operator simply needs to manually turn the cutter handle 265 to complete a quick cut. There are two transfer arms, and the estimated total time is 5-8 minutes, making it fast and easy to operate.

[0055] Reference Figure 13 and Figure 14 The cleaning fluid wiping assembly 51 includes a body 511, a take-up and untake-up roll, a cleaning cloth 512, an upper pressure head 513, and a lower pressure head 514. The body 511 is fixedly mounted on the frame 1, the take-up and untake-up roll is mounted on the body 511, and the cleaning cloth 512 is wound around the take-up and untake-up roll. The lower pressure head 514 is mounted on the edge of the body 511 near the conveyor track 21, and protrudes from the edge of the body 511. The upper pressure head 513 is located directly above the lower pressure head 514 and is movably mounted on the body 511, driven to move up and down by a servo motor. The cleaning cloth 512 passes around the upper pressure head 513 and the lower pressure head 514 from the side near the conveyor track 21, forming a wiping area between the upper pressure head 513 and the lower pressure head 514.

[0056] It also includes a liquid supply system, comprising an alcohol tank 11 and a nozzle 515. The alcohol tank 11 is mounted outside the frame 1, and the nozzle 515 is mounted on an upper pressure head 513 and a lower pressure head 514. A drip hole is formed through the upper pressure head 513 and the lower pressure head 514. One end of the nozzle 515 is connected to the alcohol tank 11 via a pipe, and the other end is connected to the drip hole. A limit sensor is installed inside the alcohol tank 11 to detect the liquid level. A mixed cleaning solution of alcohol and acetone is stored and applied to a cleaning cloth to provide a cleaning medium for wiping the panel.

[0057] The flame drying assembly 52 is existing technology, and its specific structure will not be described in detail here. The flame drying assembly 52 is used to dry the wiped panel, quickly evaporate the residual cleaning liquid on the surface, and at the same time use high-temperature airflow to further blow away residual dust and prevent liquid marks from forming.

[0058] Reference Figure 13 and Figure 14 The winding and unwinding mechanism includes a cloth roll reel 516, a take-up reel 517, a drive reel 518, and a driven reel 519. The cloth roll reel 516 and the take-up reel 517 are rotatably mounted on the side wall of the machine body 511. The starting end of the cleaning cloth 512 is wound onto the cloth roll reel 516, and the ending end of the cleaning cloth 512 is wound onto the take-up reel 517. The cloth roll reel 516 and the take-up reel 517 provide clean cleaning cloths for use, continuously supplying cloths to the wiping area; and recycle used, soiled cleaning cloths, ensuring that a clean cloth surface is used for each wipe, thus improving cleaning effectiveness.

[0059] Reference Figure 13 and Figure 14 Three driven wheels 519 are arranged on one side of the cloth roll 516, forming an inverted acute triangle. The two upper driven wheels 519 are rotatably connected to the machine body 511 via a rotating shaft, and a slide rail and a slider are vertically mounted in the middle. The lower driven wheel 519 is rotatably mounted on the slider via a rotating shaft, and the slider is driven by a cylinder. This is used to adjust the tension of the cleaning cloth 512. When the cleaning cloth 512 becomes loose, the cylinder drives the slider to move downward, causing the driven wheels 519 on it to move downward, thus tightening the cleaning cloth 512.

[0060] A drive wheel 518 is provided on the plane of the wiping area between the upper pressure head 513 and the lower pressure head 514. The cleaning cloth 512 passes around the side of the upper pressure head 513, then passes around the drive wheel 518, and then passes around the lower pressure head 514.

[0061] A driven wheel 519 for steering is also provided next to the upper pressure head 513 and the lower pressure head 514.

[0062] This design enables the winding and unwinding of the cleaning cloth 512 and the adjustment of the tightness of the cleaning cloth 512 within a limited space, so that the cleaning cloth between the upper pressure head 513 and the lower pressure head 514 is in a clean and moist state for wiping.

[0063] The implementation principle of the LED display panel cleaning equipment in this application embodiment is as follows: After the LED display panel completes the processing of the previous process, it is driven by the transfer arm of the previous process to move above the dry brush mechanism 3, so that the bottom wall of the LED display panel contacts the outer contour vertex of the brush 32 of the dry brush mechanism 3. Then, the transfer arm of the previous process drives the LED display panel to move horizontally, and the brush 32 rotates to clean the impurities attached to the bottom wall of the LED display panel. At the same time, the feeding moving platform 23 moves to the feeding end of the conveying track 21 to wait. When the transfer arm of the previous process drives the LED display panel to move horizontally to directly above the feeding moving platform 23, it stops moving and the handover of the LED display panel is completed.

[0064] Subsequently, the feeding moving platform 23 drives the LED display panel closer to the feeding transfer arm 26. During this process, the LED display panel passes under the ultrasonic dust removal mechanism 4, cleaning the impurities and dust attached to the top wall of the LED display panel. When the feeding moving platform 23 drives the LED display panel to move directly under the feeding transfer arm 26, it stops moving and transfers the LED display panel onto the feeding transfer arm 26.

[0065] After the feeding mobile platform 23 leaves, the transfer mobile platform 24 moves to directly below the feeding transfer arm 26, where the LED display panel is transferred to the transfer mobile platform 24. The transfer mobile platform 24 then drives the LED display panel away, placing it into the first cleaning mechanism 5 for cleaning. Simultaneously, the above steps are repeated. At this time, the second LED display panel is transferred to the feeding transfer arm 26. After leaving the first cleaning mechanism 5, the transfer mobile platform 24 returns to the feeding transfer arm 26 for transfer, placing the second LED display panel into the second cleaning mechanism 5 for cleaning. After placement, the transfer mobile platform 24 returns to the feeding transfer arm 26 to await the next transfer.

[0066] After the first cleaning unit 5 finishes cleaning the edges of the LED display panel, it undergoes flame drying. The discharge moving platform 25 then moves to the first cleaning unit 5 and removes the cleaned and dried LED display panel. Next, the discharge moving platform 25 drives the LED display panel closer to the discharge transfer arm 27, stopping directly beneath it and transferring the panel onto the arm for the next process to remove. Immediately afterward, the discharge moving platform 25 moves to the second cleaning unit 5, removes the second LED display panel, and returns to the discharge transfer arm 27 for handover. After the handover, it waits behind the discharge transfer arm 27.

[0067] Meanwhile, once the first cleaning unit 5 is vacated, the transfer mobile platform 24 immediately places the third LED display panel into the first cleaning unit 5, repeating the above steps to achieve multi-station automated cleaning.

[0068] This application also discloses an LED display panel cleaning equipment process, including the following steps: S1, the transplanting arm of the previous process drives the LED display panel through the dry brushing mechanism 3 to clean the impurities attached to the bottom wall of the LED display panel. S2, the feeding moving platform 23 moves to the feeding end of the conveying track 21 to wait. The transfer arm of the previous process hands over the LED display panel to the feeding moving platform 23. The feeding moving platform 23 drives the LED display panel past the ultrasonic dust removal mechanism 4 to clean the impurities and dust attached to the top wall of the LED display panel. When the feeding moving platform 23 drives the LED display panel to move directly under the feeding transfer arm 26, it stops moving and hands over the LED display panel to the feeding transfer arm 26. The feeding moving platform 23 returns to the feeding end of the conveying track 21 to wait. S2 is repeated. S3, the transfer platform 24 moves to directly below the feeding and transplanting arm 26, and the LED display panel is handed over to the transfer platform 24; the transfer platform 24 drives the LED display panel away and places it into the first cleaning mechanism 5 for cleaning; after leaving the first cleaning mechanism 5, the transfer platform 24 returns to the feeding and transplanting arm 26 for handover, and places the second LED display panel into the second cleaning mechanism 5 for cleaning; after placement, the transfer platform 24 returns to the feeding and transplanting arm 26 to wait for the next handover; repeat S3; S4, after the first cleaning mechanism 5 completes cleaning, the discharge moving platform 25 moves to the first cleaning mechanism 5, removes the LED display panel, and moves directly below the discharge transfer arm 27 to hand over the LED display panel to the discharge transfer arm 27, where the next process is responsible for removing the LED display panel; then, the discharge moving platform 25 moves to the second cleaning mechanism 5, removes the second LED display panel, and returns to the discharge transfer arm 27 for handover; after the handover is completed, it waits at the discharge transfer arm 27; repeat S4.

[0069] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An LED display panel cleaning device, characterized in that: The device includes a frame (1), on which a conveying mechanism (2) for conveying LED display panels is provided. Along the conveying direction of the LED display panels, a dry brush mechanism (3), an ultrasonic dust removal mechanism (4), and two or more cleaning mechanisms (5) are sequentially arranged on the frame (1). Each cleaning mechanism (5) includes a cleaning liquid wiping assembly (51) and a flame drying assembly (52). The conveying mechanism (2) includes a conveying track (21) and a fixed track (22) arranged parallel to each other. A feeding moving platform (23), a transfer moving platform (24) and a discharging moving platform (25) are slidably arranged on the conveying track (21). A feeding transplanting arm (26) and a discharging transplanting arm (27) are installed on the fixed track (22). The feeding moving platform (23), the transfer moving platform (24) and the discharging moving platform (25) are used to adsorb the bottom wall of the LED display panel. The working ends of the feeding transplanting arm (26) and the discharging transplanting arm (27) can extend from the fixed track (22) to the top of the conveying track (21) to adsorb the top wall of the LED display panel. The dry brush mechanism (3) is located at the feed end of the conveying track (21). The ultrasonic dust removal mechanism (4) is located above the conveying track (21) and spaced apart from the dry brush mechanism (3). Two or more cleaning mechanisms (5) are located on one side of the conveying track (21). The feed transfer arm (26) is located between the ultrasonic dust removal mechanism (4) and the first cleaning mechanism (5). The discharge transfer arm (27) is located above the discharge end of the conveying track (21) and spaced apart from the last cleaning mechanism (5). The feed moving platform (23) moves between the dry brush mechanism (3) and the feed transfer arm (26) and passes through the ultrasonic dust removal mechanism (4). The transfer moving platform (24) moves between the feed transfer arm (26) and the last cleaning mechanism (5). The discharge moving platform (25) moves between the first cleaning mechanism (5) and the discharge transfer arm (27).

2. The LED display panel cleaning equipment according to claim 1, characterized in that: The feeding moving platform (23) includes an X-axis moving unit (231), a Y-axis moving unit (232), a Z-axis moving unit (233), and a suction cup panel (6). One end of the X-axis moving unit (231) is connected to the conveying track (21), and the other end is connected to the Y-axis moving unit (232). The X-axis moving unit (231) is used to drive the Y-axis moving unit (232) to move along the conveying track (21), i.e., the X-axis direction. The bottom of the Z-axis moving unit (233) is connected to the Y-axis moving unit (232), and the top of the Z-axis moving unit (233) is connected to the suction cup panel (6). The Y-axis moving unit (232) is used to drive the Z-axis moving unit (233) to move along the Y-axis direction, and the Z-axis moving unit (233) is used to drive the suction cup panel (6) to move along the height direction, i.e., the Z-axis direction, for fine adjustment.

3. The LED display panel cleaning equipment according to claim 2, characterized in that: The suction cup panel (6) includes a base plate (67), on which a first set of adsorption components (61), a second set of adsorption components (62), a third set of adsorption components (63), a fourth set of adsorption components (64), a fifth set of adsorption components (65) and a sixth set of adsorption components (66) are embedded, and the six sets of adsorption components are symmetrically arranged along the center line of the base plate (67) in the Y-axis direction; The first set of adsorption components (61) is located at the edge of the base plate (67) near the cleaning mechanism (5). The first set of adsorption components (61) includes four vacuum nozzles (68), which are distributed along the four vertices of the rectangle. The second adsorption assembly (62) surrounds the first adsorption assembly (61), and the second adsorption assembly (62) includes five vacuum nozzles (68), which surround the first adsorption assembly (61) to form a larger rectangle; The third adsorption assembly (63) includes four vacuum nozzles (68), which are arranged in groups of two and located on both sides of the second adsorption assembly (62) in the X-axis direction. The fourth adsorption assembly (64) includes four vacuum nozzles (68), which are arranged in groups of two and located on both sides of the third adsorption assembly (63) in the X-axis direction. The fifth adsorption assembly (65) includes six vacuum nozzles (68), with three vacuum nozzles (68) forming a group, located at the two edges of the base plate (67) in the X-axis direction. The sixth adsorption assembly (66) includes three vacuum nozzles (68), which are arranged along the X-axis and located on the side of the fourth adsorption assembly (64) away from the cleaning mechanism (5).

4. The LED display panel cleaning equipment according to claim 3, characterized in that: The base plate (67) is provided with six gas paths. The first adsorption assembly (61), the second adsorption assembly (62), the third adsorption assembly (63), the fourth adsorption assembly (64), the fifth adsorption assembly (65) and the sixth adsorption assembly (66) are respectively connected to the gas distribution equipment installed on the frame (1) through one gas path, and each of the gas paths is provided with a machine cut-off switch (69) on the base plate (67).

5. The LED display panel cleaning equipment according to claim 3, characterized in that: The top wall of the vacuum nozzle (68) is higher than the base plate (67), and the base plate (67) is covered with Teflon tape. The vacuum nozzle (68) is an anti-static nozzle.

6. The LED display panel cleaning equipment according to claim 1, characterized in that: The feeding and transplanting arm (26) includes a fixed frame (261), a horizontal frame (262), an adjusting plate (263), a vacuum suction cup (264), and a cutting machine handle (265). The fixed frame (261) is movably mounted on a fixed track (22) and is fixed to the fixed track (22) by bolts. The horizontal frame (262) is fixedly mounted on the top of the fixed frame (261). The adjusting plate (263) is movably mounted on the horizontal frame (262) via the cutting machine handle (265). The vacuum suction cup (264) is suspended on the adjusting plate (263). By adjusting the adjusting plate (263), the adsorption position of the vacuum suction cup (264) can be adjusted to adapt to LED display panels of different sizes. A sensor is also installed on the adjusting plate (263) to detect whether the LED display panel is adsorbed.

7. The LED display panel cleaning equipment according to claim 1, characterized in that: The cleaning fluid wiping assembly (51) includes a body (511), a take-up and untake-down roll, a cleaning cloth (512), an upper pressure head (513), and a lower pressure head (514). The body (511) is fixedly mounted on the frame (1), the take-up and untake-down roll is mounted on the body (511), and the cleaning cloth (512) is wound around the take-up and untake-down roll. The lower pressure head (514) is mounted on the edge of the body (511) near the conveyor track (21). (514) The upper pressure head (513) is located directly above the lower pressure head (514) and is movably mounted on the body (511). It is driven to move up and down by a servo motor. The cleaning cloth (512) passes around the side of the upper pressure head (513) and the lower pressure head (514) near the conveyor track (21). A wiping area is formed between the upper pressure head (513) and the lower pressure head (514). It also includes a liquid supply device, which includes an alcohol tank (11) and a liquid nozzle (515). The alcohol tank (11) is installed outside the frame (1). The liquid nozzle (515) is installed on the upper pressure head (513) and the lower pressure head (514). The upper pressure head (513) and the lower pressure head (514) are provided with a drip hole. One end of the liquid nozzle (515) is connected to the alcohol tank (11) through a pipe, and the other end is connected to the drip hole. A limit sensor is installed inside the alcohol tank (11) to detect the liquid level in the alcohol tank (11).

8. The LED display panel cleaning equipment according to claim 7, characterized in that: The winding and unwinding components include a cloth winding wheel (516), a take-up wheel (517), a drive wheel (518), and a driven wheel (519). The cloth winding wheel (516) and the take-up wheel (517) are rotatably mounted on the side wall of the machine body (511). The starting end of the cleaning cloth (512) is wound on the cloth winding wheel (516), and the end of the cleaning cloth (512) is wound on the take-up wheel (517). Three driven wheels (519) are provided on one side of the cloth rolling wheel (516). The three driven wheels (519) form an inverted acute triangle. The two driven wheels (519) located at the top are rotatably connected to the machine body (511) through a rotating shaft. A slide rail and a slider are vertically installed in the middle. The driven wheel (519) located at the bottom is rotatably installed on the slider through a rotating shaft. The slider is driven by a cylinder. An active wheel (518) is provided on the plane of the wiping area between the upper pressure head (513) and the lower pressure head (514). The cleaning cloth (512) passes around the side of the upper pressure head (513), then passes around the active wheel (518), and then passes around the lower pressure head (514). A driven wheel (519) for steering is also provided next to the upper pressure head (513) and the lower pressure head (514).

9. The LED display panel cleaning equipment according to claim 1, characterized in that: The dry brushing mechanism (3) includes a mounting frame (31), a brush (32), and a driving motor. The mounting frame (31) is fixedly mounted on the conveying track (21). The brush (32) is rotatably mounted on the top of the mounting frame (31) via a rotating shaft and is driven to rotate by the motor. The top of the brush (32) is exposed outside the mounting frame (31), and the vertex of the outer contour of the brush (32) is slightly higher than the top wall of the feeding moving platform (23) for cleaning the bottom wall of the LED display panel.

10. The LED display panel cleaning process using the LED display panel cleaning equipment according to any one of claims 1-9, characterized in that, Includes the following steps: S1, the transplanting arm of the previous process drives the LED display panel through the dry brushing mechanism (3) to clean the impurities attached to the bottom wall of the LED display panel; S2, the feeding moving platform (23) moves to the feeding end of the conveying track (21) to wait. The transfer arm of the previous process hands over the LED display panel to the feeding moving platform (23). The feeding moving platform (23) drives the LED display panel to pass under the ultrasonic dust removal mechanism (4) to clean the impurities and dust attached to the top wall of the LED display panel. When the feeding moving platform (23) drives the LED display panel to move directly under the feeding transfer arm (26), it stops moving and hands over the LED display panel to the feeding transfer arm (26). The feeding moving platform (23) returns to the feeding end of the conveying track (21) to wait. Repeat S2; S3, the transfer platform (24) moves to directly below the feeding transfer arm (26) and hands over the LED display panel to the transfer platform (24); the transfer platform (24) drives the LED display panel away and puts it into the first cleaning mechanism (5) for cleaning; after leaving the first cleaning mechanism (5), the transfer platform (24) returns to the feeding transfer arm (26) for handover and puts the second LED display panel into the second cleaning mechanism (5) for cleaning; after placement, the transfer platform (24) returns to the feeding transfer arm (26) to wait for the next handover; repeat S3; S4, after the first cleaning mechanism (5) has finished cleaning, the discharge moving platform (25) moves to the first cleaning mechanism (5), takes away the LED display panel and moves to the bottom of the discharge transfer arm (27), and hands over the LED display panel to the discharge transfer arm (27), and the next process is responsible for taking away the LED display panel; then, the discharge moving platform (25) moves to the second cleaning mechanism (5), takes away the second LED display panel and returns to the discharge transfer arm (27) for handover; after the handover is completed, wait at the discharge transfer arm (27); repeat S4.

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