A cleaning device for recycling waste photovoltaic modules

Abstract

The present invention relates to the technical field of cleaning devices, and specifically discloses a cleaning device for recycling waste photovoltaic modules, comprising a frame, a conveying assembly and a cleaning mechanism, the cleaning mechanism comprising a brushing assembly and a spraying assembly, the brushing assembly comprising a roller brush and a movable plate, the two roller brushes being rotatably mounted on the upper and lower sides of the conveying roller respectively, the movable plate being rotatably mounted between the upper and lower roller brushes, and a driving structure 2 for driving the movable plate to flip is provided in the frame, so that the photovoltaic panel portion located above the movable plate bulges upward, a driving structure 3 for driving the roller brush to move is provided on the frame, so that when the photovoltaic panel bulges, the roller brushes on the upper and lower sides can both move to adapt to the bulging portion of the photovoltaic panel, and the spraying assembly comprises a first spraying member and a second spraying member; the present invention causes a local bulge to appear on the photovoltaic panel by flipping the movable plate, and then removes glass fragments by rotating the roller brush, and cooperates with the spraying member to further improve the cleaning effect.

Description

Technical Field

[0001] The present invention relates to the technical field of cleaning devices, and in particular to a cleaning device for recycling waste photovoltaic modules. Background Art

[0002] The aluminum frames, silicon cells, copper, and precious metal silver contained in photovoltaic modules have considerable recycling value and economic benefits. Reasonable recycling can also mitigate ecological damage. Therefore, the recycling of used photovoltaic modules is of great significance for environmental protection and resource recovery. A photovoltaic deglazing machine is a device specifically designed to separate the glass layer from the backsheet during the photovoltaic panel recycling process. This device efficiently separates the glass layer, facilitating subsequent material recovery and reuse.

[0003] The patent document with announcement number CN220111822U discloses a photovoltaic panel glass removal device with a waste recycling function, including a body, a working part and a recycling part are provided on the body, the recycling part is arranged below the working part, the working part includes a lifting device, a pressure plate is provided at the lower part of the lifting device, a plurality of blowing holes are provided on the lower surface of the pressure plate, the blowing holes are connected to a pulse blowing valve, a crushing device is provided below the pressure plate, the crushing device includes a support plate, a traction shaft and a milling cutter device are provided on the support plate, the milling cutter device includes a plurality of milling cutter heads, the top of the milling cutter head is higher than the traction shaft, the recycling part includes a collecting bin, the cross-sectional area of the collecting bin is larger than the cross-sectional area of the support plate, and the broken glass is more comprehensively collected into the collecting bin through the air outlet and the negative pressure device, thereby achieving more effective waste recycling.

[0004] After the glass on the surface of the photovoltaic panel is broken using the above-mentioned device, the middle film layer of the photovoltaic panel has a certain viscosity, which makes it easy for the glass fragments to adhere to the surface of the film layer. Although the relevant technology will perform pyrolysis treatment before removing the glass to soften the film layer, the film layer will still have a certain viscosity. In this case, the adsorption force of the negative pressure device may not be sufficient to overcome the adhesion between the glass fragments and the film layer, resulting in the glass fragments cannot be completely removed, thereby affecting the recycling quality and subsequent processing process of the photovoltaic panel. Summary of the Invention

[0005] The present invention provides a cleaning device for recycling waste photovoltaic modules, aiming to solve the problem in the related art that the adsorption force of the negative pressure device is insufficient to overcome the adhesion between the glass fragments and the film layer, resulting in the inability to completely remove the glass fragments, thereby affecting the quality of photovoltaic panel recycling.

[0006] The present invention provides a cleaning device for recycling waste photovoltaic panels, comprising a frame, a conveying assembly for conveying photovoltaic panels disposed within the frame, the conveying assembly comprising a plurality of conveying rollers, and a cleaning mechanism disposed within the frame, the cleaning mechanism comprising a brushing assembly and a spraying assembly.

[0007] The brushing components are provided in multiple groups and are spaced apart in the front-to-back direction. Each group of brushing components includes a roller brush and a movable plate. There are two roller brushes, which are rotatably mounted on the upper and lower sides of the conveyor roller respectively. A driving structure 1 for driving the roller brush to rotate is provided in the frame. The movable plate is rotatably mounted between the upper and lower roller brushes. A driving structure 2 for driving the movable plate to flip is provided in the frame, so that the photovoltaic panel above the movable plate bulges upward. A driving structure 3 for driving the roller brush to move is provided on the frame, so that when the photovoltaic panel bulges, the roller brushes on the upper and lower sides can move upward to adapt to the bulging part of the photovoltaic panel.

[0008] The spray assembly includes spray part 1 and spray part 2. Spray part 1 is arranged at the front of the frame and is used to spray hot water onto the surface of the photovoltaic panel. Spray part 2 is arranged in the middle of the frame and is used to spray high-pressure water onto the photovoltaic panel during the scrubbing process.

[0009] During operation, the photovoltaic panel to be cleaned is transported by the conveying assembly. When the photovoltaic panel moves to the position of the spray part 1, hot water is sprayed on the surface of the photovoltaic panel through the spray part 1 to soften the middle glue layer, which is convenient for subsequent cleaning of glass fragments; as the photovoltaic panel continues to move backward to the position of the brushing assembly, the photovoltaic panel will pass between the upper and lower roller brushes. At this time, the roller brush is driven by the driving structure 2 to rotate, which can scrub the surface of the photovoltaic panel, and at the same time, high-pressure water is sprayed on the surface of the photovoltaic panel through the spray part 2 to further help remove glass fragments and dirt; in this process, when the photovoltaic panel passes through the movable plate, the driving structure 1 can drive the movable plate to flip so that the part of the photovoltaic panel above the movable plate bulges upward. At this time, the glass fragments attached to the bulging part will tilt up, and at the same time, the driving structure 3 drives the roller brushes on the upper and lower sides to move so that the roller brushes adapt to the bulging part of the photovoltaic panel, thereby ensuring that the roller brushes can contact and clean the bulging part, thereby ensuring the cleaning effect. The cleaned photovoltaic panel continues to be conveyed backward and discharged.

[0010] Preferably, the conveying roller is rotatably installed in the frame, multiple conveying rollers are arranged at intervals in the front-to-back direction, and the axis of each conveying roller extends in the left-to-right direction. Multiple support plates are installed in the frame, each support plate is located between any two adjacent conveying rollers, and the upper end of the support plate is at the same height as the upper end of the conveying roller.

[0011] It can provide additional support for photovoltaic panels to prevent them from sagging, deforming or sliding due to gravity, and ensure that the photovoltaic panels remain flat during transportation.

[0012] Preferably, the driving structure includes a rotating shaft and a driving plate. The rotating shaft is rotatably mounted on the frame, and the frame is provided with a driving member for driving the rotating shaft to rotate. One side of the driving plate is connected to the roller brush, and the other side of the driving plate is provided with a slide groove. A slider is connected to the end of the rotating shaft facing the driving plate. The slider is square and extends into the slide groove, so that the roller brush can rotate synchronously with the rotating shaft.

[0013] Preferably, driving structure 2 includes gear 1, gear 2 and a push rod, one gear set is arranged on the outside of the rotating shaft, gear 2 is rotatably installed on the frame, and gear 1 and gear 2 are engaged for transmission, and the push rod is eccentrically arranged on gear 2. During the rotation of gear 2, the push rod can contact the lower end of the movable plate and push the movable plate to flip.

[0014] During the rotation of the driving plate, the cooperation of gear one and gear two can enable the movable plate to switch between a horizontal state and an inclined state. When the movable plate is in a horizontal state, it can support the photovoltaic panel. When the movable plate is in an inclined state, it can cause a local bulge to appear on the photovoltaic panel, thereby improving the cleaning effect of glass fragments.

[0015] Preferably, the driving structure three includes a limit block, the driving plate is elliptical, the end of the roller brush is connected to the center of the driving plate, the limit block is arranged on the side of the roller brush away from the conveying roller, and the limit block is provided with an arc surface on the side facing the conveying roller, the slide groove is arranged along the long axis direction of the driving plate, and the slider can slide along the length direction of the slide groove, and elastic parts are respectively provided on both sides of the slider, one end of the elastic part is connected to the slider, and the other end is connected to the end of the slide groove. During the rotation of the driving plate with the rotating shaft, the peripheral side of the driving plate can contact the arc surface on the limit block, so that the slider slides relative to the slide groove.

[0016] During the rotation of the driving plate, the specific shape of the driving plate and the cooperation between the driving plate and the limit block can enable the upper and lower roller brushes to adjust their positions according to the state of the movable plate, ensuring that the roller brushes maintain contact with the raised parts of the photovoltaic panel, thereby ensuring the cleaning effect.

[0017] Preferably, gear one is an incomplete gear, and two sections of meshing teeth are provided on the circumferential surface of gear one. The two sections of meshing teeth are evenly arranged along the circumference of gear one, and the movable plate and gear two are both rotated with the frame through a torsion spring.

[0018] Preferably, both ends of the long axis of the driving plate are in an arc shape, and both ends of the short axis of the driving plate are in a straight line shape, and the two ends of the long axis are transitionally connected to the two ends of the short axis.

[0019] Preferably, the frame is provided with a water inlet 1, a water inlet 2 and a drain, the spray part 1 includes a plurality of water pipes 1 communicating with the water inlet 1, and each water pipe 1 is provided with a plurality of water outlets at one end facing the conveying roller, the spray part 2 includes a plurality of water pipes 2 communicating with the water inlet 2, and each water pipe 2 is provided with a plurality of nozzles at one end facing the conveying roller, the water outlet end of the nozzle faces the roller brush, and the drain is provided at the lower end of the frame.

[0020] Preferably, a plurality of traction rollers are rotatably mounted in the frame, the rotation direction of the traction rollers is opposite to the rotation direction of the conveying rollers, and a space for the photovoltaic panels to pass through is provided between the traction rollers and the conveying rollers.

[0021] Preferably, a drying device for drying the photovoltaic panels is installed at the rear of the frame.

[0022] It can dry the moisture on the surface of the photovoltaic panels to ensure that there is no moisture remaining on the surface of the photovoltaic panels transported out of the frame.

[0023] The beneficial effects of the present invention are:

[0024] The present invention is provided with a cleaning mechanism. During the process of conveying the photovoltaic panel through the conveying component, hot water can be sprayed on the surface of the photovoltaic panel through the spray part 1 to soften the glue layer, and then the surface of the photovoltaic panel can be scrubbed by the rotation of the roller brush to remove glass fragments on the surface of the photovoltaic panel, and the spray part 2 can be cooperated with to spray high-pressure water on the surface of the photovoltaic panel to improve the cleaning effect; during the scrubbing process, the part of the photovoltaic panel located above the movable plate can be pushed to bulge upward by flipping the movable plate, so that the glass fragments attached to the bulging part are tilted, and at the same time, the roller brush can be moved to adapt to the bulging part to further improve the roller brush's effect of removing glass fragments, thereby ensuring the recycling quality of the photovoltaic panel and the subsequent processing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0026] Figure 2 It is a structural schematic diagram of the present invention cut along the longitudinal direction.

[0027] Figure 3 It is a structural schematic diagram of the brushing assembly of the present invention.

[0028] Figure 4 It is a schematic diagram of the assembly structure of the roller brush and the driving structure 1 of the present invention.

[0029] Figure 5 It is a schematic diagram of the assembly structure of the movable plate and the second driving structure of the present invention.

[0030] Figure 6 It is a schematic diagram of the assembly structure of the movable plate and the push rod of the present invention.

[0031] Figure 7 It is a schematic diagram of the movable plate of the present invention when it is in a horizontal state.

[0032] Figure 8 It is a schematic diagram of the movable plate of the present invention when it is in an inclined state.

[0033] Reference numerals:

[0034] 1. Frame; 11. Feed port; 12. Discharge port; 13. Conveyor roller; 14. Support plate; 15. Traction roller; 16. Drain port; 2. Roller brush; 21. Rotating shaft; 211. Slider; 212. Elastic member; 22. Drive plate; 221. Slide; 23. Limit block; 3. Movable plate; 31. Gear 1; 32. Gear 2; 33. Push rod; 34. Torsion spring; 4. Sprayer 1; 5. Sprayer 2. DETAILED DESCRIPTION

[0035] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0036] like Figures 1 to 8 As shown, a cleaning device for recycling waste photovoltaic modules of the present invention comprises a frame 1, a conveying assembly and a cleaning mechanism.

[0037] Frame 1 serves as the supporting structure for the entire device. It contains a cavity for mounting the conveyor assembly and cleaning mechanism. Frame 1 is constructed from high-strength materials to ensure stability during operation. The conveyor assembly, housed within frame 1, transports the photovoltaic panels to be cleaned. The cleaning mechanism, located within frame 1, removes glass debris adhering to the panels' surfaces during transport.

[0038] like Figure 1 and Figure 2 As shown, with the side facing the material conveying direction as the rear side, the frame 1 is provided with a feed port 11 and a discharge port 12 at the front and rear ends, respectively. The conveying assembly includes a plurality of conveying rollers 13 rotatably mounted within the frame 1. The plurality of conveying rollers 13 are spaced apart in the front-to-back direction, and the axis of each conveying roller 13 extends in the left-to-right direction. The conveying rollers 13 are driven by a motor to achieve rotation.

[0039] like Figure 1 and Figure 2As shown, to ensure stable transport of photovoltaic panels, multiple traction rollers 15 are rotatably mounted within the frame 1. The axial direction of the traction rollers 15 aligns with that of the conveying rollers 13, and the rotation direction of the traction rollers 15 is opposite to that of the conveying rollers 13. A space is provided between the traction rollers 15 and the conveying rollers 13 for the photovoltaic panels to pass through. The counter-rotating conveying and traction rollers 13 ensure stable transport of the photovoltaic panels, preventing them from getting stuck or shifting during transport. Furthermore, the traction rollers 15 exert a certain amount of pressure on the photovoltaic panels, reducing the problem of poor cleaning results caused by uneven surfaces.

[0040] like Figure 1 and Figure 2 As shown, to support the photovoltaic panels, multiple support plates 14 are installed in the frame 1. Each support plate 14 is located between any two adjacent conveyor rollers 13, and the upper end of the support plate 14 is at the same height as the upper end of the conveyor roller 13. The support plates 14 can provide additional support during transportation, preventing the photovoltaic panels from sagging, deforming, or sliding, and ensuring that the photovoltaic panels remain flat during transportation.

[0041] like Figures 2 to 8 As shown, the cleaning mechanism includes a brush assembly and a spray assembly. The brush assemblies are arranged in multiple groups and spaced apart in the front-to-back direction within the frame 1. Each brush assembly group includes a roller brush 2 and a movable plate 3. The spray assembly includes spray element 1 4 and spray element 2 5. By using multiple brush assemblies, the photovoltaic panel can be cleaned multiple times, reducing blind spots and ensuring that every area is thoroughly cleaned. Spray element 1 4 is located at the front of the frame 1 and is used to spray hot water onto the surface of the photovoltaic panel. Spray element 2 5 is located in the middle of the frame 1 and is used to spray high-pressure water onto the photovoltaic panel during the brushing process.

[0042] Among them, there are two roller brushes 2, which are rotatably installed on the upper and lower sides of the conveying roller 13 respectively. A driving structure 1 for driving the roller brush 2 to rotate is provided in the frame 1, which can brush the upper and lower surfaces of the photovoltaic panel at the same time when it passes by. Under the action of the roller brush 2, the dirt and glass fragments on the surface of the photovoltaic panel can be effectively removed, which provides convenience for subsequent recycling and processing.

[0043] The movable plate 3 is rotatably mounted between the upper and lower roller brushes 2, and a second drive mechanism is provided within the frame 1 for driving the movable plate 3 to flip. When the movable plate 3 is horizontal, the upper end of the movable plate 3 is aligned with the upper end of the conveyor roller 13, providing support for the photovoltaic panel. When the movable plate 3 flips and tilts, the area of the photovoltaic panel above the movable plate 3 rises upward, exposing previously hard-to-reach areas and enhancing the cleaning effect of the roller brush 2. Furthermore, as the photovoltaic panel rises, glass fragments previously attached to the panel surface are lifted up, weakening their adhesion to the panel surface and making them easier to remove by the roller brush 2.

[0044] In addition, the frame 1 is also provided with a driving structure 3 for driving the roller brush 2 to move. When the photovoltaic panel bulges upward under the action of the movable plate 3, the roller brushes 2 located on the upper and lower sides of the bulge can move upward to ensure that the roller brush 2 always fits with the bulge of the photovoltaic panel. That is, by adjusting the position of the roller brush 2, the roller brush 2 can adapt to the bulge of the photovoltaic panel, ensuring that the roller brush 2 can effectively remove glass fragments attached to the bulge, thereby improving the cleaning effect.

[0045] Specifically, after the photovoltaic panel is processed by the photovoltaic deglassing machine, most of the glass fragments on its surface can be removed by the negative pressure device, while a small part of the glass fragments may still be attached to the surface of the photovoltaic panel. At this time, the photovoltaic panel enters the frame 1 from the feed port 11 and is placed on the conveying assembly. The conveying assembly starts working to convey the photovoltaic panel from front to back. When the photovoltaic panel reaches the position of the spray part 14, the spray part 14 sprays hot water on the surface of the photovoltaic panel to soften the glue layer on the surface of the photovoltaic panel, which is convenient for the subsequent cleaning of glass fragments. As the photovoltaic panel continues to move backward to the position of the brushing assembly, the driving structure 2 drives the roller brush 2 to rotate to brush the surface of the photovoltaic panel. At the same time, the spray part 2 5 sprays high-pressure water on the surface of the photovoltaic panel to further help remove broken glass and dirt. As the photovoltaic panel passes over movable plate 3, drive structure 1 drives movable plate 3 to flip, causing the portion of the photovoltaic panel above movable plate 3 to bulge upward. This causes broken glass attached to the panel's surface to tilt upward. During this process, drive structure 3 drives roller brushes 2 located above and below the raised portion to move upward, conforming to the raised portion of the photovoltaic panel and ensuring that roller brushes 2 can contact and clean the panel's surface. The cleaned photovoltaic panel continues to move backward and is discharged from discharge port 12. A drying device for drying the photovoltaic panel can be installed at the rear of frame 1 to ensure that no moisture remains on the surface of the discharged photovoltaic panel.

[0046] like Figure 1 and Figure 2As shown, the frame 1 is provided with a water inlet 1 (not shown in the figure), a water inlet 2 (not shown in the figure) and a drain 16. The spraying part 1 4 includes a plurality of water pipes 1 communicating with the water inlet 1, and each water pipe 1 is provided with a plurality of water outlets at one end facing the conveying roller 13, for spraying hot water onto the surface of the photovoltaic panel. Among them, the support plate 14 is provided with through holes corresponding to the water outlets, ensuring that the hot water in the water pipe 1 located below the conveying roller 13 can be smoothly sprayed onto the lower surface of the photovoltaic panel. The spraying part 2 5 includes a plurality of water pipes 2 communicating with the water inlet 2, and each water pipe 2 is provided with a plurality of nozzles at one end facing the conveying roller 13, for spraying high-pressure water onto the surface of the photovoltaic panel. The water outlet of the nozzle can be directed toward the roller brush 2, so that the high-pressure water first acts on the roller brush 2, and then acts on the surface of the photovoltaic panel through the roller brush 2, avoiding direct impact on the photovoltaic panel. At the same time, the roller brush 2 can be cleaned, preventing glass fragments from being brushed off the surface of the photovoltaic panel from adhering to the roller brush 2, ensuring the cleanliness of the roller brush 2 and thus ensuring the cleaning effect of the photovoltaic panel. The drain port 16 is provided at the lower end of the frame 1. After the hot water and high-pressure water act on the photovoltaic panel, they can flow into the lower end of the frame 1 through the gap between the two adjacent conveying rollers 13, and then be discharged outward through the drain port 16.

[0047] like Figures 2 to 4 As shown, drive structure 1 includes a rotating shaft 21 and a drive plate 22. The rotating shaft 21 is rotatably mounted on the frame 1, and the frame 1 is equipped with a drive element for driving the rotating shaft 21 to rotate. One side of the drive plate 22 is fixedly connected to the roller brush 2, ensuring that the two can rotate synchronously. The other side of the drive plate 22 is provided with a slide 221. The end of the rotating shaft 21 facing the drive plate 22 is connected to a slider 211. The slider 211 is square and extends into the slide 221. This square structure ensures that the roller brush 2 can rotate synchronously with the rotating shaft 21. The drive element includes a motor, a belt drive structure, and a gear drive structure. The motor is mounted on the frame 1, and the output end of the motor is connected to one of the rotating shafts 21 via a belt to enable the rotation of the rotating shaft 21. A belt is also provided between two adjacent rotating shafts 21 on the same side to achieve synchronous rotation of all the rotating shafts 21 on that side. In addition, the outer sides of the two rotating shafts 21, arranged above and below, are each provided with a gear, and the two gears mesh to achieve counter-rotation of the upper and lower roller brushes 2.

[0048] like Figures 2 to 6As shown, the drive structure 2 includes gear 1 31, gear 2 32, and a push rod 33. Gear 1 31 is mounted on the outside of the rotating shaft 21, and gear 2 32 is rotatably mounted on the frame 1 at a position corresponding to the movable plate 3. Gear 1 31 and gear 2 32 are meshed for transmission. Push rod 33 is eccentrically mounted on gear 2 32. When gear 2 32 rotates, push rod 33 can contact the lower end of the movable plate 3 and push the movable plate 3 to flip. When the rotating shaft 21 rotates, it drives gear 1 31 to rotate synchronously. Through the meshing of gear 1 31 and gear 2 32, it drives gear 2 32 to rotate accordingly. During the rotation of gear 2 32, the eccentric push rod 33 performs a circular motion. When the push rod 33 rotates to a position that contacts the lower end of the movable plate 3, as gear 2 32 continues to rotate, push rod 33 applies an upward thrust to the movable plate 3, causing the movable plate 3 to flip around its connection point with the frame 1, pushing up the photovoltaic panel located above the movable plate 3, causing a local bulge in the photovoltaic panel.

[0049] like Figures 2 to 8 As shown, drive structure three includes a stopper 23, which is located on the side of the roller brush 2 away from the conveyor roller 13 and has an arcuate surface on the side of the stopper 23 facing the conveyor roller 13. The drive plate 22 is elliptical in shape, and the ends of the roller brush 2 are connected to the center of the drive plate 22. In this embodiment, the ends of the major axis of the drive plate 22 are arc-shaped, and the ends of the minor axis are straight, with the ends of the major axis transitionally connected to the ends of the minor axis. A chute 221 is provided along the major axis of the drive plate 22, and a slider 211 is capable of sliding along the length of the chute 221. Elastic members 212 are provided on either side of the slider 211, one end of the elastic member 212 being connected to the slider 211 and the other end being connected to the end of the chute 221. The elastic members 212 may be springs. As the drive plate 22 rotates with the rotating shaft 21, the circumference of the drive plate 22 contacts the arcuate surface of the stopper 23, causing the slider 211 to slide relative to the chute 221. Among them, in order to adapt to the movement cycle of the driving plate 22, gear 1 31 is an incomplete gear. Two sections of meshing teeth are provided on the circumferential surface of gear 1 31, and the two sections of meshing teeth are evenly arranged along the circumference of gear 1 31. The movable plate 3 and gear 2 32 are both rotated with the frame 1 through a torsion spring 34.

[0050] Specifically, when the rotating shaft 21 rotates, the driving plate 22 and the gear 1 31 rotate accordingly. During this process, the outer peripheral side of the driving plate 22 maintains contact with the arc surface on the limit block 23, so that the driving plate 22 presents four states within one rotation cycle: when one end of the short axis on the driving plate 22 contacts the arc surface, the slider 211 is maintained in the center position of the slide groove 221 under the action of the elastic members 212 on both sides. At this time, the distance between the driving plate 22 and the limit block 23 is closer, and the distance between the driving plate 22 and the upper end of the conveying roller 13 is farther. The driving plate 22 in this state is defined as state one. As the driving plate 22 continues to rotate, one end of the long axis in the driving plate 22 will gradually contact the arc surface. Since the distance between one end of the long axis and the center of the driving plate 22 is greater than the distance between one end of the short axis and the driving plate 22, the driving plate 22 will be squeezed to move in the direction away from the limit block 23 under the limiting action of the limit block 23, so that the driving plate 22 and the rotating shaft 21 move relative to each other, driving the slider 211 to slide in the slide groove 221. At this time, the elastic member 212 on one side will stretch to store force, while the elastic member 212 on the other side will compress to store force. At this time, the distance between the driving plate 22 and the limit block 23 increases, and the distance between the driving plate 22 and the upper end of the conveying roller 13 decreases, that is, the roller brush 2 gradually approaches the conveying roller 13. The driving plate 22 in this state is defined as state two. As the driving plate 22 continues to rotate, the other end of the short axis on the driving plate 22 contacts the curved surface, gradually releasing the squeeze of the limit block 23 on the driving plate 22. At this time, the slider 211 is reset under the action of the elastic members 212 on both sides, so that the slider 211 is once again located in the center of the chute 221. As the slider 211 resets, the distance between the driving plate 22 and the limit block 23 decreases, while the distance between the driving plate 22 and the conveyor roller 13 increases, that is, the roller brush 2 gradually moves away from the conveyor roller 13. The driving plate 22 in this state is defined as state 3. Then, as the driving plate 22 continues to rotate, the other end of the long axis in the driving plate 22 gradually contacts the curved surface and, under the action of the limit block 23, squeezes the driving plate 22 in a direction away from the limit block 23, causing the roller brush 2 to once again approach the conveyor roller 13. The driving plate 22 in this state is defined as state 4.

[0051] In this embodiment, the upper and lower roller brushes 2 rotate in opposite directions, i.e., the upper and lower drive plates 22 rotate in opposite directions. Initially, the lower drive plate 22 is in state one and the upper drive plate 2 is in state two, causing the lower roller brush 2 to move away from the conveyor roller 13 while the upper roller brush 2 moves closer to the conveyor roller 13. At this point, gear 1 31 is disengaged from gear 2 32, and the movable plate 3 remains horizontal due to the action of the torsion spring 34, supporting the photovoltaic panel during transport. At this point, the photovoltaic panel passes between the upper and lower roller brushes 2, allowing both brushes 2 to simultaneously scrub the upper and lower surfaces of the panel. As the driving plate 22 continues to rotate, the driving plate 22 on the lower side is in state two, and the driving plate 22 on the upper side is in state one, so that the roller brush 2 on the lower side is close to the conveying roller 13, and the roller brush 2 on the upper side is away from the conveying roller 13. At this time, one of the meshing teeth on gear one 31 will engage with gear two 32, driving gear two 32 and push rod 33 to rotate, so as to push the movable plate 3 to flip and tilt, so that the photovoltaic panel is partially convex upward during the conveying process. As the movable plate 3 and gear two 32 rotate, the two torsion springs 34 will be synchronously twisted to store force. In this process, the two roller brushes 2 on the upper and lower sides can move to adapt to the raised parts of the photovoltaic panel to ensure that the roller brush 2 contacts and cleans the raised parts. Then, as the driving plate 22 continues to rotate, the lower driving plate 22 is in state three and the upper driving plate 22 is in state four, causing the lower roller brush 2 to move away from the conveying roller 13 and the upper roller brush 2 to move closer to the conveying roller 13. At this time, gear 1 31 and gear 2 32 are disengaged, and the movable plate 3 and gear 2 32 rotate in the opposite direction under the action of the torsion spring 34 to reset, so that the movable plate 3 is again in a horizontal state to support the photovoltaic panel. During the process of the upper driving plate 22 changing from state one to state four, the chute 221 gradually changes from a horizontal state to a vertical state, that is, the upper roller brush 2 gradually approaches the conveying roller 13 along an inclined path. During this process, the roller brush 2 can rub the raised parts of the photovoltaic panel, facilitating the shedding of glass fragments raised from the raised parts and improving the cleaning effect. Then, as the driving plate 22 continues to rotate, the lower driving plate 22 is in state four and the upper driving plate 22 is in state three, causing the lower roller brush 2 to approach the conveying roller 13 and the upper roller brush 2 to move away from the conveying roller 13. At this time, the other end meshing tooth on the gear 1 31 will mesh with the gear 2 32, causing the movable plate 3 to flip again, pushing the next part of the photovoltaic panel to bulge so that the roller brush 2 can clean it. Then, as the driving plate 22 continues to rotate, the lower driving plate 22 is in state one again and the upper driving plate 22 is in state two, completing one cycle of the driving plate 22.

[0052] The cleaning device of the present invention operates as follows: a photovoltaic panel enters the frame 1 through the feed port 11 and is transported from front to back by the rotation of the conveyor rollers 13. When the photovoltaic panel reaches the position of the spray element 1 (4), the spray element 1 (4) sprays hot water onto the panel surface, softening the adhesive layer on the panel surface and facilitating subsequent cleaning of glass debris. As the panel continues to move backward to the position of the brush assembly, the motor activates, driving the rotating shaft 21 to rotate. This, constrained by the square structure between the slider 211 and the chute 221, drives the drive plate 22 and the roller brush 2 to rotate. The rotation of the roller brush 2 scrubs the panel surface, removing glass debris attached to the panel. Simultaneously, the spray element 2 (5) sprays high-pressure water onto the panel surface, further assisting in removing broken glass and dirt. The hot and high-pressure water sprayed by the spray elements 1 (4) and 2 (5) acts on the panel surface, flows down through the gap between two adjacent conveyor rollers 13, and is then discharged through the outlet at the bottom of the frame 1.

[0053] During the transport of photovoltaic panels, they pass through a movable plate 3 positioned between upper and lower roller brushes 2. The rotation of the drive plate 22 allows the coordination of gears 1 31 and 2 32 to reciprocate between a horizontal and tilted position. When the movable plate 3 is horizontal, it supports the photovoltaic panel. When the movable plate 3 is tilted, the portion of the photovoltaic panel above the movable plate 3 is raised upward, lifting any glass debris attached to the raised portion. Simultaneously, the rotation of the drive plate 22 and the coordination of the limit block 23 allow the distance between the roller brush 2 and the conveying roller 13 to change, ensuring that the roller brush 2 can adapt to the raised portion of the photovoltaic panel and effectively clean the raised portion. The cleaned photovoltaic panel continues to move backward and is discharged from the discharge port 12.

[0054] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A cleaning device for recycling waste photovoltaic modules, comprising a frame, a conveying assembly for conveying photovoltaic panels is provided in the frame, the conveying assembly comprises a plurality of conveying rollers, and is characterized in that: The cleaning mechanism is also provided in the frame, and the cleaning mechanism includes a brushing component and a spraying component; The brushing components are provided in multiple groups and are spaced apart in the front-to-back direction. Each group of brushing components includes a roller brush and a movable plate. There are two roller brushes, which are rotatably mounted on the upper and lower sides of the conveyor roller respectively. A driving structure 1 for driving the roller brush to rotate is provided in the frame. The movable plate is rotatably mounted between the upper and lower roller brushes. A driving structure 2 for driving the movable plate to flip is provided in the frame, so that the photovoltaic panel above the movable plate bulges upward. A driving structure 3 for driving the roller brush to move is provided on the frame, so that when the photovoltaic panel bulges, the roller brushes on the upper and lower sides can move upward to adapt to the bulging part of the photovoltaic panel. The spray assembly includes a spray part 1 and a spray part 2. The spray part 1 is arranged at the front of the frame and is used to spray hot water onto the surface of the photovoltaic panel. The spray part 2 is arranged in the middle of the frame and is used to spray high-pressure water onto the photovoltaic panel during the scrubbing process. The drive structure 1 includes a rotating shaft and a drive plate. The rotating shaft is rotatably mounted on the frame, and the frame is provided with a drive part for driving the rotating shaft to rotate. One side of the drive plate is connected to the roller brush, and the other side of the drive plate is provided with a slide. The end of the rotating shaft facing the drive plate is connected to a slider. The slider is square and extends into the slide, so that the roller brush can rotate synchronously with the rotating shaft. The driving structure 2 includes gear 1, gear 2 and a push rod. A set of gears is arranged on the outside of the rotating shaft. Gear 2 is rotatably mounted on the frame, and gear 1 and gear 2 are meshed for transmission. The push rod is eccentrically arranged on gear 2. During the rotation of gear 2, the push rod can contact the lower end of the movable plate and push the movable plate to flip; The driving structure three includes a limit block, the driving plate is elliptical, the end of the roller brush is connected to the center of the driving plate, the limit block is arranged on the side of the roller brush away from the conveying roller, and the limit block is provided with an arc surface on the side facing the conveying roller. The slide groove is arranged along the long axis direction of the driving plate, and the slider can slide along the length direction of the slide groove. Elastic parts are respectively provided on both sides of the slider, one end of the elastic part is connected to the slider, and the other end is connected to the end of the slide groove. During the rotation of the driving plate with the rotating shaft, the peripheral side of the driving plate can contact the arc surface on the limit block, so that the slider slides relative to the slide groove.

2. A cleaning device for recycling waste photovoltaic modules according to claim 1, characterized in that: The conveying rollers are rotatably installed in the frame, and multiple conveying rollers are arranged at intervals in the front-to-back direction, and the axis of each conveying roller extends in the left-to-right direction. Multiple support plates are installed in the frame, and each support plate is located between any two adjacent conveying rollers, and the upper end of the support plate is at the same height as the upper end of the conveying roller.

3. The cleaning device for recycling waste photovoltaic modules according to claim 1, characterized in that: Gear 1 is an incomplete gear. Two sections of meshing teeth are provided on the circumferential surface of gear 1. The two sections of meshing teeth are evenly arranged along the circumference of gear 1. The movable plate and gear 2 are both rotated with the frame through a torsion spring.

4. A cleaning device for recycling waste photovoltaic modules according to claim 3, characterized in that: Two ends of the long axis of the driving plate are in an arc shape, two ends of the short axis of the driving plate are in a straight line shape, and the two ends of the long axis are transitionally connected to the two ends of the short axis.

5. The cleaning device for recycling waste photovoltaic modules according to claim 1, characterized in that: The frame is provided with a water inlet 1, a water inlet 2 and a drain. The spray part 1 includes multiple water pipes 1 connected to the water inlet 1, and each water pipe 1 is provided with multiple water outlets at one end facing the conveying roller. The spray part 2 includes multiple water pipes 2 connected to the water inlet 2, and each water pipe 2 is provided with multiple nozzles at one end facing the conveying roller. The water outlet end of the nozzle faces the roller brush, and the drain is arranged at the lower end of the frame.

6. The cleaning device for recycling waste photovoltaic modules according to claim 1, characterized in that: A plurality of traction rollers are rotatably mounted in the frame. The rotation direction of the traction rollers is opposite to that of the conveying rollers. A space for the photovoltaic panels to pass through is provided between the traction rollers and the conveying rollers.

7. The cleaning device for recycling waste photovoltaic modules according to claim 1, characterized in that: A drying device for drying the photovoltaic panels is installed at the rear of the frame.

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