A conveying belt for a main grid-free photovoltaic film coating device

Abstract

The utility model discloses a kind of conveying belt for main gridless photovoltaic film coating equipment, including conveying frame, the lower end four corners of conveying frame are connected with support leg, conveying frame upper end is internally provided with conveying belt wheel, and conveying belt wheel is driven by motor, the left and right sides of conveying frame upper end are connected with support frame, two the support frame between are rotatably connected with compression roller by pivot, and compression roller is driven by motor, the left side of conveying frame upper end is connected with positioner, and positioner is located support frame rear side, the inside of positioner is provided with positioner component, the right end of positioner component is connected with compound pressure component, the upper end of conveying frame is provided with adhesive film, the utility model wraps the elastic compression pad of hollow inside outside compression roller, and fills hydraulic oil, so that it can adapt to the position collapse of solder strip when cold compression, while the inner pressure of hydraulic oil is enhanced to fit, ensure that the front adhesive film completely wraps solder strip, improve compression uniformity and component stability.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic coating conveyor belts, and in particular to a conveyor belt for a gridless photovoltaic coating equipment. Background Technology

[0002] In the production process of traditional photovoltaic modules, the coating process without a main grid structure faces problems such as uneven bonding of the solder strip, resulting in insufficient wrapping of the solder strip by the encapsulant film, which affects the yield and long-term stability of the module.

[0003] Existing technologies typically use rigid pressure rollers for cold pressing, which is difficult to adapt to differences in the height of the welding strip. This can easily lead to incomplete wrapping of the front adhesive film, and the welding strip may shift or fall off during subsequent processes or use.

[0004] To address the aforementioned issues, this patent proposes a conveyor belt for a gridless photovoltaic coating equipment to improve the encapsulation quality of photovoltaic modules. Utility Model Content

[0005] The main purpose of this invention is to propose a conveyor belt for a gridless photovoltaic coating equipment, which aims to solve the problem of uneven pressing of the welding strips in traditional photovoltaic coating conveyor belts, resulting in insufficient wrapping of the welding strips by the adhesive film.

[0006] To address the aforementioned problems, this utility model proposes a conveyor belt for a gridless photovoltaic coating equipment, comprising a conveyor frame with support legs connected to the four corners of its lower end. A conveyor belt pulley is internally located at the upper end of the conveyor frame and is driven by a motor. Support frames are connected to the left and right sides of the upper end of the conveyor frame, and a pressing roller is rotatably connected between the two support frames via a rotating shaft. The pressing roller is also driven by a motor. An adjustment frame is connected to the left side of the upper end of the conveyor frame, located behind the support frames, and an adjustment component is internally located within the adjustment frame. The right end of the adjustment component is connected to a repressing component. The upper end of the conveyor frame is provided with an adhesive film. Multiple battery cells are adhered to the upper end of the adhesive film. Multiple welding ribbons are provided on the upper ends of the multiple battery cells. A front adhesive film is adhered to the upper ends of the multiple battery cells and the multiple welding ribbons. The multiple welding ribbons are connected to the multiple battery cells through the front adhesive film. The adhesive film, battery cells, welding ribbons and front adhesive film are all located between the conveyor belt pulley and the support frame, and between the conveyor belt pulley and the repressing component. The pressing roller is wrapped with an elastic pressing pad, and the elastic pressing pad is hollow inside and is provided with hydraulic oil.

[0007] Preferably, the adjustment assembly includes an adjustment slide and an adjustment screw, and the adjustment frame has an adjustment groove inside, with the adjustment slide slidably connected inside the adjustment groove.

[0008] Preferably, a telescopic head is connected to the center of the upper end of the adjusting slide, a pressure spring is provided inside the upper end of the telescopic head, and a telescopic sleeve is sleeved on the upper end of the telescopic head.

[0009] Preferably, the telescopic head is rotatably connected to the telescopic sleeve, and the pressure spring is located between the telescopic head and the telescopic sleeve. An adjustment screw is connected to the center of the upper end of the telescopic sleeve.

[0010] Preferably, the upper end of the adjusting screw extends to the outside of the upper end of the adjusting frame and is threadedly connected to the adjusting frame, and the upper end of the adjusting screw is provided with a rotating handle.

[0011] Preferably, the repressing assembly includes a limiting pressure rod and a pressing bushing. The limiting pressure rod is connected to the center of the right end of the adjusting slide block. Multiple limiting grooves are provided on the outer wall of the cylindrical limiting pressure rod. Multiple pressing bushings are bolted to the outside of the limiting pressure rod.

[0012] Preferably, the inner wall of the pressing bushing is provided with a plurality of limiting sliders, and the plurality of limiting sliders are respectively engaged in the interior of a plurality of limiting grooves. The pressing bushing is provided with a pressing positioning groove on the outside, and the welding strip is engaged in the pressing positioning groove through the front adhesive film.

[0013] Beneficial effects

[0014] 1. The present invention features a pressing roller with an outer outer layer of a hollow inner elastic pressing pad filled with hydraulic oil. This allows the pressing roller to adapt to the collapse of the welding strip position during cold pressing. At the same time, the internal pressure of the hydraulic oil enhances the adhesion, ensuring that the front adhesive film completely wraps the welding strip, thereby improving the pressing uniformity and component stability.

[0015] 2. The adjustment component of this utility model adopts a screw-driven sliding block structure, combined with the elastic extension and contraction of the pressure spring, which can accurately adjust the height and pressing force of the repressing component, adapt to photovoltaic modules of different thicknesses, and maintain stable contact to avoid loosening or uneven pressing.

[0016] 3. The pressing bushing of the repressing assembly of this utility model can be flexibly adjusted along the limiting pressure rod through the limiting slide groove and the slider to adapt to different welding strip layouts. The welding strip is precisely pressed a second time through the pressing positioning groove to ensure that the front adhesive film is completely wrapped. The number of bushings can be increased or decreased to improve process adaptability.

[0017] 4. This utility model uses a step-by-step cold pressing process involving a conveyor belt wheel, a pressing roller, and a re-pressing component to first fix the position of the welding strip, and then reinforce and wrap it a second time, thereby reducing the risk of welding strip displacement and improving the yield and long-term reliability of photovoltaic modules. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A three-dimensional structural diagram of the photovoltaic coating conveyor belt of this utility model;

[0020] Figure 2 An explosion diagram of the photovoltaic coating conveyor belt of this utility model;

[0021] Figure 3 This is a schematic diagram of the connection structure between the adjustment component and the pressure-resetting component of this utility model;

[0022] Figure 4 This is a schematic diagram of the positioning component structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the composite pressure assembly structure of this utility model.

[0024] The annotations in the attached figures are explained as follows:

[0025] 1. Conveyor frame; 2. Support leg; 3. Conveyor pulley; 4. Support frame; 5. Pressing roller; 6. Adjusting frame; 7. Backing film; 8. Battery cell; 9. Welding strip; 10. Front adhesive film; 11. Elastic pressing pad; 12. Adjusting slide groove; 13. Adjusting slide block; 14. Telescopic head; 15. Pressure spring; 16. Telescopic sleeve; 17. Adjusting screw; 18. Limiting pressure rod; 19. Limiting slide groove; 20. Pressing bushing; 21. Limiting slider; 22. Pressing positioning groove. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] To achieve the above-mentioned utility model objectives, such as Figures 1-5As shown, this utility model provides a conveyor belt for a gridless photovoltaic coating equipment, including a conveyor frame 1. Support legs 2 are connected to the four corners of the lower end of the conveyor frame 1. A conveyor belt wheel 3 is installed inside the upper end of the conveyor frame 1 and is driven by a motor. Support frames 4 are connected to the left and right sides of the upper end of the conveyor frame 1. A pressing roller 5 is rotatably connected between the two support frames 4 via a rotating shaft and is driven by a motor. An adjustment frame 6 is connected to the left side of the upper end of the conveyor frame 1 and is located behind the support frames 4. The adjustment frame 6 contains... An adjustment component is provided, with a repressing component connected to its right end. A backing film 7 is positioned on the upper end of the conveyor frame 1, with multiple battery cells 8 adhered to its upper end. Multiple welding ribbons 9 are positioned on the upper ends of the battery cells 8. A front adhesive film 10 is adhered to the upper ends of the battery cells 8 and welding ribbons 9, and the welding ribbons 9 are connected to the battery cells 8 via the front adhesive film 10. The backing film 7, battery cells 8, welding ribbons 9, and front adhesive film 10 are all located between the conveyor pulley 3 and the support frame 4, and between the conveyor pulley 3 and the repressing component. The pressing roller 5 is externally wrapped with an elastic material. A pressing pad 11 is used, and the elastic pressing pad 11 is hollow inside and equipped with hydraulic oil. The photovoltaic module is formed by hot pressing together a front backing film 7, solar cells 8, welding ribbons 9, and a front adhesive film 10. Before pressing the photovoltaic module, it needs to be laminated and cold pressed. In this process, the backing film 7 is laid on the upper end of the conveyor belt wheel 3, and multiple solar cells 8 are laid on the upper end of the backing film 7 by a robotic arm. Then, multiple welding ribbons 9 are laid on the upper end of the multiple solar cells 8, and finally, the front adhesive film 10 is laid on the upper end of the multiple welding ribbons 9, thereby stacking the photovoltaic module. At this point, the starter motor drives the conveyor belt wheel 3 to rotate, and the conveyor belt wheel 3 carries the laid back adhesive film 7, battery cells 8, welding ribbons 9 and front adhesive film 10 to the lower end of the pressing roller 5 for initial cold pressing. Then, it continues to carry them to the lower end of the re-pressing module for secondary cold pressing, so that the front adhesive film 10 can completely wrap the upper part of the multiple welding ribbons 9, restricting the multiple welding ribbons 9 to a specific position, preventing the multiple welding ribbons 9 from shifting, shaking or falling off during subsequent production processes or use, effectively improving the process yield and product stability of photovoltaic modules.

[0028] Since the pressing roller 5 is fitted with an internally hollow elastic pressing pad 11, and the elastic pressing pad 11 is filled with hydraulic oil, when the pressing roller 5 performs initial cold pressing on the photovoltaic module, the elastic pressing pad 11 can collapse inward according to the position of the welding strip 9 under the rolling pressure of the pressing roller 5. The hydraulic oil inside the elastic pressing pad 11 increases the internal pressure under the squeezing of the pressing roller 5, so that the elastic pressing pad 11 can be tightly attached to the upper end of the welding strip 9 and the battery cell 8 under the dual action of the rolling pressure of the pressing roller 5 and the internal pressure of the hydraulic oil, and wrap the upper end of the welding strip 9, so that the front adhesive film 10 can completely wrap the upper end of the welding strip 9.

[0029] Preferably, the adjustment assembly includes an adjustment slide 13 and an adjustment screw 17. An adjustment groove 12 is provided inside the adjustment frame 6, and the adjustment slide 13 is slidably connected inside the adjustment groove 12. A telescopic head 14 is connected to the center of the upper end of the adjustment slide 13. A pressure spring 15 is provided inside the upper end of the telescopic head 14, and a telescopic sleeve 16 is sleeved on the outer side of the upper end of the telescopic head 14. The telescopic head 14 and the telescopic sleeve 16 are rotatably connected, and the pressure spring 15 is located between the telescopic head 14 and the telescopic sleeve 16. An adjustment screw 17 is connected to the center of the upper end of the telescopic sleeve 16. The upper end of the adjustment screw 17 extends to the outer side of the upper end of the adjustment frame 6 and is threadedly connected to the adjustment frame 6. A rotating handle is provided at the upper end of the adjustment screw 17 for secondary adjustment of the photovoltaic module. During the cold pressing process, the repressing component can adjust the pressing position of the photovoltaic module through the adjusting component. At this time, by rotating the handle, the adjusting screw 17 is rotated. The adjusting screw 17 moves up and down inside the adjusting frame 6 through the thread, and drives the adjusting slide 13 to move up and down inside the adjusting slide groove 12 through the telescopic head 14 and the telescopic sleeve 16. The adjusting screw 17 can also rotate outside the upper end of the telescopic head 14 through the telescopic sleeve 16, so that the adjusting slide 13 can drive the repressing component to move up and down, thereby adjusting the pressing position of the repressing component. This allows the repressing component to perform secondary cold pressing on photovoltaic modules of different thicknesses, adjust the pressing position of the repressing component, and adjust the pressing force of the repressing component on the photovoltaic module.

[0030] The telescopic head 14 can rotate inside the telescopic sleeve 16 and can slide up and down elastically inside the telescopic sleeve 16 through the pressure spring 15, so that the adjustment slide 13 can adjust the pressing force of the repressed component through the elastic force of the pressure spring 15, and can keep the repressed component tightly attached to the upper end of the photovoltaic module through the elastic connection of the pressure spring 15, so as to avoid loosening and separation.

[0031] Preferably, the repressing assembly includes a limiting pressure rod 18 and a pressing bushing 20. The limiting pressure rod 18 is connected to the center of the right end of the adjusting slide block 13. Multiple limiting grooves 19 are formed on the outer cylindrical wall of the limiting pressure rod 18. Multiple pressing bushings 20 are bolted to the outside of the limiting pressure rod 18. Multiple limiting sliders 21 are provided on the inner wall of the pressing bushing 20, and the multiple limiting sliders 21 are respectively engaged inside the multiple limiting grooves 19. A pressing positioning groove 22 is formed on the outside of the pressing bushing 20, and the welding strip 9 passes through the front... The adhesive film 10 is snapped into the pressing positioning groove 22. During the secondary cold pressing of the photovoltaic module by the repressing module, multiple pressing bushings 20 are connected to the adjusting slide 13 through the limiting pressure rod 18. They can slide outside the limiting pressure rod 18 to adjust the pressing position according to the position of multiple welding strips 9, so that the welding strips 9 can be accurately snapped into the pressing positioning groove 22. This allows the pressing positioning groove 22 to press the front adhesive film 10 onto the upper outside of the welding strip 9 again, ensuring that the front adhesive film 10 completely wraps the upper outside of the welding strip 9.

[0032] Furthermore, the number of pressing bushings 20 can be increased or decreased according to the number of welding strips 9, and can be limited by the limiting slide groove 19 and the limiting slider 21 and the limiting pressure rod 18. After the positions of multiple pressing bushings 20 are adjusted, they can be fixed to the limiting pressure rod 18 by bolts to ensure the stability of the position of the pressing bushings 20.

[0033] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A conveyor belt for a gridless photovoltaic coating equipment, characterized in that, The system includes a conveyor frame (1), with support legs (2) connected to the four corners of the lower end of the conveyor frame (1). A conveyor belt pulley (3) is installed inside the upper end of the conveyor frame (1), and the pulley (3) is driven by a motor. Support frames (4) are connected to the left and right sides of the upper end of the conveyor frame (1). A pressing roller (5) is rotatably connected between the two support frames (4) via a rotating shaft, and the pressing roller (5) is driven by a motor. An adjusting frame (6) is connected to the left side of the upper end of the conveyor frame (1), and the adjusting frame (6) is located behind the support frames (4). An adjusting component is installed inside the adjusting frame (6), and a repressing component is connected to the right end of the adjusting component. The upper end of the conveyor frame (1)... A backing film (7) is provided, and multiple battery cells (8) are adhered to the upper end of the backing film (7). Multiple welding ribbons (9) are provided on the upper end of the multiple battery cells (8). A front adhesive film (10) is adhered to the upper end of the multiple battery cells (8) and the multiple welding ribbons (9). The multiple welding ribbons (9) are connected to the multiple battery cells (8) through the front adhesive film (10). The backing film (7), battery cells (8), welding ribbons (9) and front adhesive film (10) are all located between the conveyor belt pulley (3) and the support frame (4), and between the conveyor belt pulley (3) and the repressing assembly. The pressing roller (5) is wrapped with an elastic pressing pad (11), and the elastic pressing pad (11) is hollow inside and is provided with hydraulic oil.

2. The conveyor belt for a gridless photovoltaic coating equipment as described in claim 1, characterized in that, The adjustment assembly includes an adjustment slide (13) and an adjustment screw (17). The adjustment frame (6) has an adjustment groove (12) inside, and the adjustment slide (13) is slidably connected inside the adjustment groove (12).

3. The conveyor belt for a gridless photovoltaic coating equipment as described in claim 2, characterized in that, The adjustment slide (13) is connected to a telescopic head (14) at the center of its upper end. A pressure spring (15) is provided inside the upper end of the telescopic head (14), and a telescopic sleeve (16) is sleeved on the outside of the upper end of the telescopic head (14).

4. The conveyor belt for a gridless photovoltaic coating equipment as described in claim 3, characterized in that, The telescopic head (14) is rotatably connected to the telescopic sleeve (16), and the pressure spring (15) is located between the telescopic head (14) and the telescopic sleeve (16). An adjustment screw (17) is connected to the center of the upper end of the telescopic sleeve (16).

5. The conveyor belt for a gridless photovoltaic coating equipment as described in claim 4, characterized in that, The upper end of the adjusting screw (17) extends to the outside of the upper end of the adjusting frame (6) and is threadedly connected to the adjusting frame (6). The upper end of the adjusting screw (17) is provided with a rotating handle.

6. The conveyor belt for a gridless photovoltaic coating equipment as described in claim 1, characterized in that, The repressing assembly includes a limiting pressure rod (18) and a pressing bushing (20). The limiting pressure rod (18) is connected to the center of the right end of the adjusting slide (13). Multiple limiting grooves (19) are provided on the outer cylindrical wall of the limiting pressure rod (18). Multiple pressing bushings (20) are bolted to the outside of the limiting pressure rod (18).

7. The conveyor belt for a gridless photovoltaic coating equipment as described in claim 6, characterized in that, The inner wall of the pressing bushing (20) is provided with multiple limiting sliders (21), and the multiple limiting sliders (21) are respectively engaged in the interior of multiple limiting grooves (19). The pressing bushing (20) is provided with a pressing positioning groove (22) on the outside, and the welding strip (9) is engaged in the interior of the pressing positioning groove (22) through the front adhesive film (10).

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