Discharging lifting and stacking structure of solar multilayer laminating machine

Abstract

The utility model discloses a discharging, lifting and stacking structure of a solar multilayer laminating machine. The discharging, lifting and stacking structure comprises a plurality of layers of discharging tables and a plurality of layers of lifting and transporting devices which are sequentially arranged from left to right and are in butt joint. The multi-layer lifting conveying device is in butt joint with the multi-layer discharging table, a plurality of solar cell modules can be output at a time, the discharging conveying efficiency is improved, and the discharging speed can meet the laminating rhythm of a laminating main machine.

Description

Technical Field

[0001] This utility model relates to the field of material conveying technology for multi-layer laminators, and more specifically to a material lifting and stacking structure for a solar multi-layer laminator. Background Technology

[0002] Existing solar cell module laminators typically use a production line that directly connects to the discharge station during material delivery, allowing only one piece of material (one solar cell module) to be delivered to the discharge station at a time. However, for multi-layer laminators, this results in slow discharge speed and long cooling time, causing the laminator to become stuck (the solar cell module stays in the laminator for too long) or waiting for material to be delivered, which greatly reduces work efficiency.

[0003] Therefore, providing an efficient solar multilayer laminator discharge lifting and stacking structure is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] In view of this, the present invention provides a material discharge lifting stack structure for a solar multi-layer laminator to solve the problem of slow material discharge rate in multi-layer laminators.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A solar multi-layer laminator discharge lifting stack structure includes multi-layer discharge platforms and multi-layer lifting and transport devices arranged sequentially from left to right and connected to each other.

[0007] By adopting the above technical solutions, the beneficial effects of this utility model are as follows:

[0008] By connecting a multi-layer lifting and conveying device to a multi-layer discharge platform, multiple solar cell modules can be output at one time, improving the discharge and conveying efficiency and ensuring that the discharge speed meets the lamination cycle of the laminating host.

[0009] Furthermore, the multi-layer lifting and transporting device includes a lifting and transporting frame, a three-layer lifting mechanism, and multiple first cooling fans. The three-layer lifting mechanism is installed inside the lifting and transporting frame. The multiple first cooling fans are all installed on the lifting and transporting frame and aligned with the three-layer lifting mechanism. At the same time, the height of each first cooling fan is lower than the multi-layer transmission mechanism of the multi-layer discharge platform.

[0010] Furthermore, the three-layer lifting mechanism includes two diagonally arranged slider lifting assemblies, two diagonally arranged cam lifting assemblies, a lifting frame, a lifting mechanism, and three lifting conveying mechanisms. The two slider lifting assemblies and the two cam lifting assemblies are vertically mounted on the lifting transport frame; the lifting frame is horizontally mounted on the two slider lifting assemblies and the two cam lifting assemblies; the lifting mechanism is mounted on the lifting transport frame; the lifting frame is fixed to the lifting mechanism; and the three lifting conveying mechanisms are sequentially and spaced apart from top to bottom on the lifting frame, corresponding to the positions of the multi-layer discharge platform.

[0011] The beneficial effects of adopting the above-mentioned further technical solution are that replacing the two diagonally opposite slider lifting components with cam lifting components can reduce assembly difficulty, reduce equipment costs, reduce wear on parts, and facilitate the replacement of parts.

[0012] Furthermore, the slider lifting assembly includes a guide rail and a slider, the guide rail being vertically fixed on the lifting transport frame; the lifting frame is mounted on the guide rail via the slider; the cam lifting assembly includes a T-shaped guide rail, a first cam assembly, and a second cam assembly, the T-shaped guide rail being vertically fixed on the lifting transport frame; the lifting frame is slidably connected to the T-shaped guide rail via the first cam assembly and the second cam assembly distributed vertically.

[0013] Furthermore, the lifting mechanism includes a first motor and two lifting assemblies located on both sides of the lifting and transporting frame. The first motor is mounted on the top of the lifting and transporting frame. Each lifting assembly includes a first drive shaft, a reducer, two first drive wheels, a bearing assembly with a mounting seat, a first driven shaft, two first driven wheels, two lifting belts, and a counterweight. One end of the first drive shaft is fixedly connected to the first motor, and the other end of the first drive shaft is fixedly connected to the reducer mounted on the top of the lifting and transporting frame. The two first drive wheels are respectively mounted on the two output shafts of the reducer. The bearing assembly with a mounting seat is mounted on the bottom of the lifting and transporting frame and located directly below the reducer. The first driven shaft is mounted inside the bearing assembly with a mounting seat. The two first driven wheels are respectively mounted on both ends of the first driven shaft. The first drive wheel and the corresponding first driven wheel are connected by the lifting belt. One side of the lifting belt is fixedly connected to the lifting frame, and the other side of the lifting belt is fixedly connected to the counterweight.

[0014] Furthermore, the first cam assembly includes a first bracket and two first cams, the first bracket being mounted on the lifting frame; both first cams are mounted on the first bracket and spaced apart to fit into the longitudinal plate of the T-shaped guide rail; the second cam assembly includes a second bracket and a second cam, the second bracket being mounted on the lifting frame and located below the first bracket; the second cam is mounted on the second bracket and slidably connected to the inner side of the longitudinal plate.

[0015] Furthermore, the multi-layer discharge platform includes a frame, a multi-layer transmission mechanism, multiple lower guide wheels, multiple upper guide wheels, a rack, a gear drive mechanism, gears, multiple liquid-cooled radiators, multiple second cooling fans, and multiple cooling fan assemblies. The multi-layer transmission mechanism is located in the upper middle part inside the frame, thus forming a lower space at the bottom of the frame. The total height of the three lifting and conveying mechanisms is not greater than the height of the lower space. The three lifting and conveying mechanisms correspond to the positions of the three adjacent transmission mechanisms of the multi-layer transmission mechanism. The bottom and top of the frame of the multi-layer transmission mechanism are respectively provided with lower guide rails and upper guide rails, and the multiple lower guide wheels are all installed at the bottom of the frame. The platform is fitted onto the lower guide rail, and the upper guide wheels are all mounted on the top of the frame and fitted onto the upper guide rail; the rack is mounted on the outer bottom of the multi-layer transmission mechanism; the gear drive mechanism is mounted on the frame; the gear is mounted on the gear drive mechanism and meshes with the rack; multiple liquid cooling radiators are respectively mounted on one side of the frame and aligned with the multi-layer transmission mechanism; multiple second cooling fans are respectively mounted on the other side of the frame and correspond to the positions of the multiple liquid cooling radiators; multiple cooling fan assemblies are respectively mounted on the bottom of the frame and located below the multi-layer transmission mechanism.

[0016] The beneficial effects of adopting the above-mentioned further technical solution are that, driven by the gear drive mechanism, the gear rotates, and because the rack meshes with the gear, and is supported and guided by the lower guide wheel and the upper guide wheel, it drives the multi-layer transmission mechanism to move horizontally along the assembly line direction. Part of it moves into the lifting transport frame and is located above the three lifting transport mechanisms (the two do not interfere with each other), leaving space for entry and improving maintenance efficiency.

[0017] Furthermore, the gear drive mechanism includes a second motor, two second transmission shafts, and two transmission assemblies. The second motor is mounted on the frame and located below the multi-layer transmission mechanism. Both transmission assemblies are mounted on the frame and located on opposite sides of the multi-layer transmission mechanism. The two output shafts of the second motor are respectively connected to the two transmission assemblies via the second transmission shafts. There are two gears and two racks. The two racks are respectively mounted on the two opposite sides of the bottom of the multi-layer transmission mechanism, and the two gears are respectively mounted on the two transmission assemblies.

[0018] Furthermore, each of the transmission components includes a lower belt bearing assembly, a drive shaft, a second drive pulley, an upper belt bearing assembly, a second driven shaft, a second driven pulley, and a transmission belt. The lower belt bearing assembly is mounted on the frame; the drive shaft is mounted inside the lower belt bearing assembly; one end of the second transmission shaft is connected to the inner end of the drive shaft, and the other end of the second transmission shaft is connected to the output shaft of the second motor; the second drive pulley is mounted on the drive shaft; the upper belt bearing assembly is mounted on the frame and located directly above the lower belt bearing assembly; the second driven shaft is mounted inside the upper belt bearing assembly; the second driven pulley is mounted on the second driven shaft; and the second drive pulley and the second driven pulley are connected by the transmission belt.

[0019] Furthermore, each of the cooling fan assemblies includes two brackets, a frame, and multiple third cooling fans. The two brackets are respectively fixed to opposite sides of the bottom of the frame. Each bracket has two oppositely arranged arc-shaped holes, and the distance between the middle of the two arc-shaped holes is greater than the distance between the opposite ends of the two arc-shaped holes. The two ends of the frame are respectively mounted on the two brackets, and the two ends of each frame are respectively mounted in the two arc-shaped holes by screws. The multiple third cooling fans are evenly mounted on the frame.

[0020] The beneficial effect of adopting the above-mentioned further technical solution is that the blowing angle of the third cooling fan can be adjusted by adjusting the connection position between the frame and the arc-shaped hole. Attached Figure Description

[0021] 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 embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0022] Figure 1The attached figure is a structural schematic diagram of the discharge lifting stack structure of a solar multilayer laminator provided by this utility model;

[0023] Figure 2 The attached figure is a side view of the discharge lifting stack structure of a solar multilayer laminator provided by this utility model;

[0024] Figure 3 The attached figure is a structural schematic diagram of the multi-layer lifting and transporting device provided by this utility model;

[0025] Figure 4 The attached figure is a side view of the multi-layer lifting and transporting device provided by this utility model;

[0026] Figure 5 The attached figure is a structural schematic diagram of the three-layer lifting mechanism provided by this utility model;

[0027] Figure 6 The attached image is... Figure 5 A magnified structural diagram of part A in the middle;

[0028] Figure 7 The attached image is... Figure 5 A magnified structural diagram of part B in the middle section;

[0029] Figure 8 The attached figure is a structural schematic diagram of the multi-layer discharge platform provided by this utility model;

[0030] Figure 9 The attached figure is a structural schematic diagram of the multi-layer discharge platform provided by this utility model from another perspective;

[0031] Figure 10 The attached image is... Figure 8 A magnified structural diagram of part A in the middle;

[0032] Figure 11 The attached image is... Figure 9 A magnified structural diagram of part B in the middle section;

[0033] Figure 12 The attached figure is a front view of the multi-layer discharge platform provided by this utility model;

[0034] Figure 13 The attached figure is a side view of the multi-layer discharge platform provided by this utility model. Detailed Implementation

[0035] 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.

[0036] like Figure 1-13 As shown in the figure, this utility model discloses a solar multi-layer laminator discharge lifting stack structure, including a multi-layer discharge platform 1 and a multi-layer lifting and transport device 2 arranged sequentially from left to right and connected to each other. In this embodiment, the number of layers in the multi-layer lifting and transport device 2 is less than the number of layers in the multi-layer discharge platform 1, and the two are in an integer multiple relationship. Here, "connected" means that as the multi-layer lifting and transport device 2 moves up and down, the solar cell modules on each adjacent layer of the multi-layer discharge platform 1 can be transported to the multi-layer lifting and transport device 2 in batches. This utility model, by connecting the multi-layer lifting and transport device 2 to the multi-layer discharge platform 1, can output multiple solar cell modules at one time, improve the discharge and transport efficiency, and make the discharge speed meet the lamination cycle of the laminator.

[0037] Specifically, the multi-layer lifting and transporting device 2 includes a lifting and transporting frame 21, a three-layer lifting mechanism 22, and multiple first cooling fans 23. The three-layer lifting mechanism 22 is installed inside the lifting and transporting frame 21. Multiple first cooling fans 23 are all installed on the lifting and transporting frame 21 and aligned with the three-layer lifting mechanism 22. At the same time, the height of each first cooling fan 23 is lower than the multi-layer transmission mechanism of the multi-layer discharge platform 1 to avoid obstructing the transport of solar cell modules.

[0038] Specifically, the three-layer lifting mechanism 22 includes two diagonally arranged slider lifting assemblies 221, two diagonally arranged cam lifting assemblies 222, a lifting frame 223, a lifting mechanism 224, and three lifting conveying mechanisms 225. The two slider lifting assemblies 221 and the two cam lifting assemblies 222 are vertically mounted on the lifting transport frame 21; the lifting frame 223 is horizontally mounted on the two slider lifting assemblies 221 and the two cam lifting assemblies 222; the lifting mechanism 224 is mounted on the lifting transport frame 21; the lifting frame 223 is fixed to the lifting mechanism 224; and the three lifting conveying mechanisms 225 are sequentially and alternately mounted on the lifting frame 223 from top to bottom, corresponding to the positions of the multi-layer discharge platform 1. This invention replaces the two diagonally arranged slider lifting assemblies 221 with cam lifting assemblies 222, which reduces assembly difficulty, equipment cost, and wear on parts, and facilitates parts replacement.

[0039] Specifically, the slider lifting assembly 221 includes a guide rail 2211 and a slider 2212. The guide rail 2211 is vertically fixed on the lifting transport frame 21. The lifting frame 223 is mounted on the guide rail 2211 via the slider 221. The cam lifting assembly 222 includes a T-shaped guide rail 2221, a first cam assembly 2222, and a second cam assembly 2223. The T-shaped guide rail 2221 is vertically fixed on the lifting transport frame 21. The lifting frame 223 is slidably connected to the T-shaped guide rail 2221 via the vertically distributed first cam assembly 2222 and second cam assembly 2223.

[0040] Specifically, the lifting mechanism 224 includes a first motor 2241 and two lifting components located on both sides of the lifting and transport frame 21. The first motor 2241 is mounted on the top of the lifting and transport frame 21. Each lifting component includes a first drive shaft 2242, a reducer 2243, two first drive wheels 2244, a bearing assembly 2245, a first driven shaft 2246, two first driven wheels 2247, two lifting belts 2248, and a counterweight 2249. One end of the first drive shaft 2242 is fixedly connected to the first motor 2241, and the other end of the first drive shaft 2242 is connected to the reducer 2243 mounted on the top of the lifting and transport frame 21. 43. Fixed connection; two first driving wheels 2244 are respectively installed on the two output shafts of the reducer 2243; the bearing assembly 2245 with seat is installed at the bottom of the lifting transport frame 21 and located directly below the reducer 2243; the first driven shaft 2246 is installed inside the bearing assembly 2245 with seat; two first driven wheels 2247 are respectively installed at both ends of the first driven shaft 2246; the first driving wheel 2244 and the corresponding first driven wheel 2247 are connected by transmission through the lifting belt 2248; one side of the lifting belt 2248 is fixedly connected to the lifting frame 223, and the other side of the lifting belt 2248 is fixedly connected to the counterweight 2249.

[0041] Specifically, the first cam assembly 2222 includes a first bracket 22221 and two first cams 22222. The first bracket 22221 is mounted on the lifting frame 223. The two first cams 22222 are both mounted on the first bracket 22221 and are spaced apart to fit into the longitudinal plate of the T-shaped guide rail 2221. The second cam assembly 2223 includes a second bracket 22231 and a second cam 22232. The second bracket 22231 is mounted on the lifting frame 223 and is located below the first bracket 22221. The second cam 22232 is mounted on the second bracket 22231 and is slidably connected to the inner side of the longitudinal plate.

[0042] Specifically, the multi-layer discharge platform 1 includes a frame 11, a multi-layer transmission mechanism 12, multiple lower guide rollers 13, multiple upper guide rollers 14, a rack 15, a gear drive mechanism 16, a gear 17, multiple liquid cooling radiators 18, multiple second cooling fans 19, and multiple cooling fan assemblies 20. The multi-layer transmission mechanism 12 is located in the upper middle part inside the frame 11, thus forming a lower space at the bottom of the frame 11. The total height of the three lifting conveying mechanisms 225 is not greater than the height of the lower space. The three lifting conveying mechanisms 225 correspond to the positions of the three adjacent transmission mechanisms of the multi-layer transmission mechanism 12. The bottom and top of the frame of the multi-layer transmission mechanism 12 are respectively provided with lower guide rails and upper guide rails, and multiple lower guide rails... All wheels 13 are mounted on the bottom platform of the frame 11 and fitted onto the lower guide rail; all upper guide wheels 14 are mounted on the top of the frame 11 and fitted onto the upper guide rail; rack 15 is mounted on the bottom outer side of the multi-layer transmission mechanism 12; gear drive mechanism 16 is mounted on the frame 11; gear 17 is mounted on the gear drive mechanism 16 and meshes with rack 15; multiple liquid cooling radiators 18 are respectively mounted on one side of the frame 11 and aligned with the multi-layer transmission mechanism 12; multiple second cooling fans 19 are respectively mounted on the other side of the frame 11 and correspond to the positions of the multiple liquid cooling radiators 18; multiple cooling fan assemblies 20 are respectively mounted on the bottom of the frame 11 and located below the multi-layer transmission mechanism 12. Driven by the gear drive mechanism 16, the gear 17 rotates. Because the rack 15 meshes with the gear 17, and is supported and guided by the lower guide wheel 13 and the upper guide wheel 14, the multi-layer transmission mechanism 12 is moved horizontally along the assembly line direction. A part of it moves into the lifting and transporting frame 21 and is located above the three lifting and transporting mechanisms 225 (the two do not interfere with each other), leaving space for entry and improving maintenance efficiency.

[0043] Of course, in order to improve the stability of translation, the number of both the lower guide rail and the upper guide rail is set to two. The two lower guide rails are located on the corresponding sides of the bottom of the frame of the multi-layer transmission mechanism 12, and the two upper guide rails are located on the corresponding sides of the top of the frame of the multi-layer transmission mechanism 12.

[0044] Specifically, the gear drive mechanism 16 includes a second motor 161, two second drive shafts 162, and two transmission components. The second motor 161 is mounted on the frame 11 and located below the multi-layer transmission mechanism 12. Both transmission components are mounted on the frame 11 and located on both sides of the multi-layer transmission mechanism 12. The two output shafts of the second motor 161 are respectively connected to the two transmission components via the second drive shafts 162. There are two gears 17 and two racks 15. The two racks 15 are respectively mounted on the two corresponding outer sides of the bottom of the multi-layer transmission mechanism 12, and the two gears 17 are respectively mounted on the two transmission components.

[0045] Specifically, each transmission assembly includes a lower bearing assembly 163, a drive shaft 164, a second drive pulley, an upper bearing assembly 165, a second driven shaft 166, a second driven pulley 167, and a transmission belt 168. The lower bearing assembly 163 is mounted on the frame 11; the drive shaft 164 is mounted inside the lower bearing assembly 163; one end of the second transmission shaft 162 is connected to the inner end of the drive shaft 164, and the other end of the second transmission shaft 162 is connected to the output shaft of the second motor 161; the second drive pulley is mounted on the drive shaft 164; the upper bearing assembly 165 is mounted on the frame 11 and located directly above the lower bearing assembly 163; the second driven shaft 166 is mounted inside the upper bearing assembly 165; the second driven pulley 167 is mounted on the second driven shaft 166; the second drive pulley and the second driven pulley 167 are connected by the transmission belt 168.

[0046] Specifically, each cooling fan assembly 20 includes two brackets 201, a frame 202, and multiple third cooling fans 203. The two brackets 201 are fixed to opposite sides of the bottom of the frame 11. Each bracket 201 has two oppositely arranged arc-shaped holes 2011, and the distance between the middle of the two arc-shaped holes 2011 is greater than the distance between the opposite ends of the two arc-shaped holes 2011. The two ends of the frame 202 are respectively mounted on the two brackets 201, and the two ends of each frame 202 are respectively mounted in the two arc-shaped holes 2011 by screws. The multiple third cooling fans 203 are evenly mounted on the frame 202. By adjusting the connection position between the frame 202 and the arc-shaped holes 2011, the blowing angle of the third cooling fans 203 can be adjusted.

[0047] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to in the method section.

[0048] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A solar multilayer lamination machine outfeed lift stack structure, characterized by, This includes multiple layers of discharge platforms and multiple layers of lifting and conveying devices arranged sequentially from left to right and connected to each other; The multi-layer lifting and transporting device includes a lifting and transporting frame, a three-layer lifting mechanism, and multiple first cooling fans. The three-layer lifting mechanism is installed inside the lifting and transporting frame. Multiple first cooling fans are installed on the lifting and transporting frame and aligned with the three-layer lifting mechanism. At the same time, the height of each first cooling fan is lower than the multi-layer transmission mechanism of the multi-layer discharge platform. The three-layer lifting mechanism includes two diagonally arranged slider lifting assemblies, two diagonally arranged cam lifting assemblies, a lifting frame, a lifting mechanism, and three lifting conveying mechanisms. The two slider lifting assemblies and the two cam lifting assemblies are vertically mounted on the lifting and transport frame. The lifting frame is horizontally mounted on the two slider lifting assemblies and the two cam lifting assemblies. The lifting mechanism is mounted on the lifting and transport frame. The lifting frame is fixed to the lifting mechanism. The three lifting conveying mechanisms are sequentially and spaced apart from top to bottom on the lifting frame, corresponding to the positions of the multi-layer discharge platform.

2. A solar multilayer lamination machine outfeed lift stack structure according to claim 1, wherein, The slider lifting assembly includes a guide rail and a slider, the guide rail being vertically fixed on the lifting transport frame; the lifting frame is mounted on the guide rail via the slider; the cam lifting assembly includes a T-shaped guide rail, a first cam assembly, and a second cam assembly, the T-shaped guide rail being vertically fixed on the lifting transport frame; the lifting frame is slidably connected to the T-shaped guide rail via the first cam assembly and the second cam assembly distributed vertically.

3. A solar multilayer lamination machine outfeed lift stack structure according to claim 1, wherein, The lifting mechanism includes a first motor and two lifting assemblies located on both sides of the lifting and transporting frame. The first motor is mounted on the top of the lifting and transporting frame. Each lifting assembly includes a first drive shaft, a reducer, two first drive wheels, a bearing assembly with a mounting seat, a first driven shaft, two first driven wheels, two lifting belts, and a counterweight. One end of the first drive shaft is fixedly connected to the first motor, and the other end of the first drive shaft is fixedly connected to the reducer mounted on the top of the lifting and transporting frame. The two first drive wheels are respectively mounted on the two output shafts of the reducer. The bearing assembly with a mounting seat is mounted on the bottom of the lifting and transporting frame and located directly below the reducer. The first driven shaft is mounted inside the bearing assembly with a mounting seat. The two first driven wheels are respectively mounted on both ends of the first driven shaft. The first drive wheel and the corresponding first driven wheel are connected by the lifting belts. One side of the lifting belt is fixedly connected to the lifting frame, and the other side of the lifting belt is fixedly connected to the counterweight.

4. A solar multilayer lamination machine outfeed lift stack structure according to claim 2, wherein, The first cam assembly includes a first bracket and two first cams. The first bracket is mounted on the lifting frame. The two first cams are both mounted on the first bracket and spaced apart to fit into the longitudinal plate of the T-shaped guide rail. The second cam assembly includes a second bracket and a second cam. The second bracket is mounted on the lifting frame and located below the first bracket. The second cam is mounted on the second bracket and slidably connected to the inner side of the longitudinal plate.

5. A solar multilayer lamination machine outfeed lift stack structure according to claim 1, wherein, The multi-layer discharge platform includes a frame, a multi-layer transmission mechanism, multiple lower guide wheels, multiple upper guide wheels, a rack, a gear drive mechanism, gears, multiple liquid-cooled radiators, multiple second cooling fans, and multiple cooling fan assemblies. The multi-layer transmission mechanism is located in the upper middle part of the frame, thus forming a lower space at the bottom of the frame. The total height of the three lifting and conveying mechanisms is not greater than the height of the lower space. The three lifting and conveying mechanisms correspond to the positions of the three adjacent transmission mechanisms of the multi-layer transmission mechanism. The bottom and top of the frame of the multi-layer transmission mechanism are respectively provided with lower guide rails and upper guide rails, and the multiple lower guide wheels are all installed on the bottom of the frame. The upper guide wheel is mounted on the top of the frame and fitted onto the upper guide rail; the rack is mounted on the outer bottom of the multi-layer transmission mechanism; the gear drive mechanism is mounted on the frame; the gear is mounted on the gear drive mechanism and meshes with the rack; multiple liquid cooling radiators are respectively mounted on one side of the frame and aligned with the multi-layer transmission mechanism; multiple second cooling fans are respectively mounted on the other side of the frame and correspond to the positions of the multiple liquid cooling radiators; multiple cooling fan assemblies are respectively mounted on the bottom of the frame and located below the multi-layer transmission mechanism.

6. A solar multilayer lamination machine outfeed lift stack structure according to claim 5, wherein, The gear drive mechanism includes a second motor, two second drive shafts, and two transmission components. The second motor is mounted on the frame and located below the multi-layer transmission mechanism. Both transmission components are mounted on the frame and located on opposite sides of the multi-layer transmission mechanism. The two output shafts of the second motor are respectively connected to the two transmission components via the second drive shafts. There are two gears and two racks. The two racks are respectively mounted on the two opposite sides of the bottom of the multi-layer transmission mechanism, and the two gears are respectively mounted on the two transmission components.

7. A solar multilayer lamination machine outfeed lift stack structure according to claim 6, wherein, Each of the transmission components includes a lower bearing assembly, a drive shaft, a second drive pulley, an upper bearing assembly, a second driven shaft, a second driven pulley, and a transmission belt. The lower bearing assembly is mounted on the frame; the drive shaft is mounted inside the lower bearing assembly; one end of the second transmission shaft is connected to the inner end of the drive shaft, and the other end of the second transmission shaft is connected to the output shaft of the second motor; the second drive pulley is mounted on the drive shaft; the upper bearing assembly is mounted on the frame and located directly above the lower bearing assembly; the second driven shaft is mounted inside the upper bearing assembly; the second driven pulley is mounted on the second driven shaft; the second drive pulley and the second driven pulley are connected by the transmission belt.

8. A solar multilayer lamination machine outfeed lift stack structure according to claim 5, wherein, Each cooling fan assembly includes two brackets, a frame, and multiple third cooling fans. The two brackets are fixed to opposite sides of the bottom of the frame. Each bracket has two oppositely arranged arc-shaped holes, and the distance between the middle of the two arc-shaped holes is greater than the distance between the opposite ends of the two arc-shaped holes. The two ends of the frame are respectively mounted on the two brackets, and the two ends of each frame are respectively mounted in the two arc-shaped holes by screws. The multiple third cooling fans are evenly mounted on the frame.

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