Feeding, lifting and stacking structure of solar multilayer laminating machine

Abstract

The utility model discloses a feeding, lifting and stacking structure of a solar multilayer laminating machine. The feeding, lifting and stacking structure comprises a plurality of layers of lifting transportation devices and a plurality of layers of feeding tables 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 feeding table, a plurality of solar cell modules can be conveyed and supplied at a time, the feeding conveying efficiency is improved, and the feeding speed meets the laminating rhythm of a laminating main machine.

Description

Technical Field

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

[0002] Existing solar cell module laminators typically use a direct feed line to feed material onto the feed station, allowing only one piece of material (one solar cell module) to be fed at a time. However, for multi-layer laminators, the feeding speed cannot keep up with the lamination speed, resulting in empty laminators (lamination is performed in some layers without solar cell modules), which greatly reduces work efficiency.

[0003] Therefore, providing a feeding lifting stack structure for a solar multilayer laminator 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 feeding lifting stack structure for a solar multi-layer laminator to solve the problem of slow feeding 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 feeding and lifting stacking structure includes a multi-layer lifting and transport device and a multi-layer feeding platform 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 feeding platform, multiple solar cell modules can be supplied at one time, improving the feeding and conveying efficiency and ensuring that the feeding speed meets the lamination cycle of the laminating host.

[0009] Furthermore, the multi-layer lifting and transporting device includes a lifting and transporting frame and a three-layer lifting mechanism, wherein the three-layer lifting mechanism is installed inside the lifting and transporting frame.

[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 feeding 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 feeding platform includes a frame, a multi-layer transmission mechanism, multiple lower guide wheels, multiple upper guide wheels, a rack, a gear drive mechanism, and gears. The multi-layer transmission mechanism is located in the upper middle part inside the frame, thereby 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. Multiple lower guide wheels are installed on the bottom platform of the frame and fitted onto the lower guide rails. The upper guide wheels are installed on the top of the frame and fitted onto the upper guide rails. The rack is installed on the outer side of the bottom of the multi-layer transmission mechanism. The gear drive mechanism is installed on the frame. The gear is installed on the gear drive mechanism and meshes with the rack.

[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, the solar multilayer laminator feeding lifting stack structure also includes a lifting adjustment assembly, which includes a fixed plate, four screws, an adjusting plate, and multiple nuts. The fixed plate is fixed to the frame; the bottom ends of the four screws are all fixed to the fixed plate, and the four screws are distributed in a matrix; the adjusting plate has four through holes to fit onto the four screws; the upper bearing assembly is mounted on the adjusting plate; each screw has a nut screwed on both the upper and lower sides of the adjusting plate.

[0020] The beneficial effect of adopting the above-mentioned further technical solution is that by turning the nuts on the upper and lower sides of the adjusting plate, the height and horizontal position of the adjusting plate can be adjusted, thereby adjusting the position of the upper bearing assembly and thus the position of the gear, ensuring that the gear and rack are tightly engaged. 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 1 The attached figure is a schematic diagram of the feeding lifting stack structure of a solar multilayer laminator provided by this utility model;

[0023] Figure 2 The attached figure is a side view of a solar multilayer laminator feeding and lifting stack structure 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 front view of the multi-layer lifting and transporting device provided by this utility model;

[0026] Figure 5 The attached figure is a side view of the multi-layer lifting and transporting device provided by this utility model;

[0027] Figure 6 The attached figure is a structural schematic diagram of the three-layer lifting mechanism provided by this utility model;

[0028] Figure 7 The attached image is... Figure 6 A magnified structural diagram of part A in the middle;

[0029] Figure 8 The attached image is... Figure 6A magnified structural diagram of part B in the middle section;

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

[0031] Figure 10 The attached image is... Figure 9 A magnified structural diagram of part A in the middle;

[0032] Figure 11 The attached figure is a front view of the multi-layer feeding platform provided by this utility model;

[0033] Figure 12 The attached figure is a side view of the multi-layer feeding platform provided by this utility model. Detailed Implementation

[0034] 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.

[0035] like Figure 1-12 As shown in the figure, this utility model discloses a feeding and lifting stacking structure for a solar multi-layer laminator, including a multi-layer lifting and transport device 1 and a multi-layer feeding platform 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 1 is less than the number of layers in the multi-layer feeding platform 2, and the two are in an integer multiple relationship. This utility model connects the multi-layer lifting and transport device 1 to the multi-layer feeding platform 2, enabling the supply of multiple solar cell modules at one time, improving the feeding and transporting efficiency, and ensuring that the feeding speed meets the lamination cycle of the laminator.

[0036] Specifically, the multi-layer lifting and transporting device 1 includes a lifting and transporting frame 11 and a three-layer lifting mechanism 12. The three-layer lifting mechanism 12 is installed inside the lifting and transporting frame 11. The three-layer lifting mechanism 12 includes two diagonally arranged slider lifting components 121, two diagonally arranged cam lifting components 122, a lifting frame 123, a lifting mechanism 124, and three lifting conveying mechanisms 125. The two slider lifting components 121 and the two cam lifting components 122 are vertically installed on the lifting and transporting frame 11. The lifting frame 123 is horizontally installed on the two slider lifting components 121 and the two cam lifting components 122. The lifting mechanism 124 is installed on the lifting and transporting frame 11. The lifting frame 123 is fixed on the lifting mechanism 124. The three lifting conveying mechanisms 125 are installed sequentially and alternately on the lifting frame 123 from top to bottom, and correspond to the positions of the multi-layer feeding platform 2. The lifting conveying mechanism 125 is an existing conveying mechanism, and its specific structure will not be described in detail here. Driven by the lifting mechanism 124, the lifting frame 123 and its three lifting and conveying mechanisms move up and down along the slider lifting assembly 121 and the cam lifting assembly 122 within the lifting transport frame 11. In particular, replacing the two diagonally opposite slider lifting assemblies 121 with cam lifting assemblies 122 reduces assembly difficulty, equipment cost, and wear on parts, and facilitates parts replacement.

[0037] Specifically, the slider lifting assembly 121 includes a guide rail 1211 and a slider 1212. The guide rail 1211 is vertically fixed on the lifting transport frame 11. The lifting frame 123 is mounted on the guide rail 1211 via the slider 1212. The cam lifting assembly 122 includes a T-shaped guide rail 1221, a first cam assembly 1222, and a second cam assembly 1223. The T-shaped guide rail 1221 is vertically fixed on the lifting transport frame 11. The lifting frame 123 is slidably connected to the T-shaped guide rail 1221 via the vertically distributed first cam assembly 1222 and second cam assembly 1223.

[0038] Specifically, the lifting mechanism 124 includes a first motor 1241 and two lifting assemblies located on both sides of the lifting and transport frame 11. The first motor 1241 is mounted on the top of the lifting and transport frame 11. Each lifting assembly includes a first drive shaft 1242, a reducer 1243, two first drive wheels 1244, a bearing assembly 1245, a first driven shaft 1246, two first driven wheels 1247, two lifting belts 1248, and a counterweight 1249. One end of the first drive shaft 1242 is fixedly connected to the first motor 1241, and the other end of the first drive shaft 1242 is connected to the reducer 1243 mounted on the top of the lifting and transport frame 11. 43. Fixed connection; two first driving wheels 1244 are respectively installed on the two output shafts of the reducer 1243; the bearing assembly 1245 with seat is installed at the bottom of the lifting transport frame 11 and located directly below the reducer 1243; the first driven shaft 1246 is installed inside the bearing assembly 1245 with seat; two first driven wheels 1247 are respectively installed at both ends of the first driven shaft 1246; the first driving wheel 1244 and the corresponding first driven wheel 1247 are connected by transmission through the lifting belt 1248; one side of the lifting belt 1248 is fixedly connected to the lifting frame 123, and the other side of the lifting belt 1248 is fixedly connected to the counterweight 1249.

[0039] Specifically, the first cam assembly 1222 includes a first bracket 12221 and two first cams 12222. The first bracket 12221 is mounted on the lifting frame 123. The two first cams 12222 are both mounted on the first bracket 12221 and are spaced apart to fit into the longitudinal plate of the T-shaped guide rail 1221. The second cam assembly 1223 includes a second bracket 12231 and a second cam 12232. The second bracket 12231 is mounted on the lifting frame 123 and is located below the first bracket 12221. The second cam 12232 is mounted on the second bracket 12231 and is slidably connected to the inner side of the longitudinal plate.

[0040] Specifically, the multi-layer feeding platform 2 includes a frame 21, a multi-layer transmission mechanism 22, multiple lower guide wheels 23, multiple upper guide wheels 24, a rack 25, a gear drive mechanism 26, and a gear 27. The multi-layer transmission mechanism 22 is located in the upper middle part inside the frame 21, thus forming a lower space at the bottom of the frame 21. The total height of the three lifting conveying mechanisms 125 is not greater than the height of the lower space. The three lifting conveying mechanisms 125 correspond to the positions of the three adjacent transmission mechanisms of the multi-layer transmission mechanism 22. The bottom and top of the frame of the multi-layer transmission mechanism 22 are respectively provided with lower guide rails and upper guide rails. Multiple lower guide wheels 23 are all installed on the bottom platform of the frame 21 and fitted on the lower guide rails. All wheels 24 are mounted on the top of the frame 21 and fitted onto the upper guide rail; rack 25 is mounted on the bottom outer side of the multi-layer transmission mechanism 22; gear drive mechanism 26 is mounted on the frame 21; gear 27 is mounted on gear drive mechanism 26 and meshes with rack 25. Thus, under the drive of gear drive mechanism 26, gear 27 rotates. Because rack 25 meshes with gear 27, and under the support and guidance of lower guide wheel 23 and upper guide wheel 24, the multi-layer transmission mechanism 22 is driven to move horizontally along the assembly line direction. Part of it moves into the lifting transport frame 11 and is located above the three lifting conveyor mechanisms 125 (the two do not interfere with each other), leaving space for entry and improving maintenance efficiency.

[0041] 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 22, and the two upper guide rails are located on the corresponding sides of the top of the frame of the multi-layer transmission mechanism 22.

[0042] Specifically, the gear drive mechanism 26 includes a second motor 261, two second drive shafts 262, and two transmission components. The second motor 261 is mounted on the frame 21 and located below the multi-layer transmission mechanism 22. Both transmission components are mounted on the frame 21 and located on both sides of the multi-layer transmission mechanism 22. The two output shafts of the second motor 261 are respectively connected to the two transmission components via the second drive shafts 262. There are two gears 27 and two racks 25. The two racks 25 are respectively mounted on the two corresponding outer sides of the bottom of the multi-layer transmission mechanism 22, and the two gears 27 are respectively mounted on the two transmission components.

[0043] Specifically, each transmission assembly includes a lower bearing assembly 263, a drive shaft 264, a second drive pulley, an upper bearing assembly 265, a second driven shaft 266, a second driven pulley 267, and a transmission belt 268. The lower bearing assembly 263 is mounted on the frame 21; the drive shaft 264 is mounted inside the lower bearing assembly 263; one end of the second transmission shaft 262 is connected to the inner end of the drive shaft 264, and the other end of the second transmission shaft 262 is connected to the output shaft of the second motor 261; the second drive pulley is mounted on the drive shaft 264; the upper bearing assembly 265 is mounted on the frame 21 and located directly above the lower bearing assembly 263; the second driven shaft 266 is mounted inside the upper bearing assembly 265; the second driven pulley 267 is mounted on the second driven shaft 266; the second drive pulley and the second driven pulley 267 are connected by the transmission belt 268.

[0044] To further optimize the technical solution of this utility model, a solar multilayer laminator feeding lifting stack structure also includes a lifting adjustment component 28. The lifting adjustment component 28 includes a fixed plate 281, four screws 282, an adjusting plate 283, and multiple nuts 284. The fixed plate 281 is fixed on the frame 21. The bottom ends of the four screws 282 are all fixed on the fixed plate 281, and the four screws 282 are distributed in a matrix. The adjusting plate 283 has four through holes to fit onto the four screws 282. The upper bearing assembly 265 is installed on the adjusting plate 283. Each screw 282 is located on the upper and lower sides of the adjusting plate 283, and a nut 284 is screwed on it. In this way, by screwing on the nuts 284 on the upper and lower sides of the adjusting plate 283, the height and horizontal position of the adjusting plate 283 can be adjusted to adjust the position of the upper bearing assembly 265, thereby adjusting the position of the gear 27 and ensuring that the gear 27 and the rack 25 are tightly engaged.

[0045] 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.

[0046] 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 laminator feed elevator stack structure, characterized by, It includes a multi-layer lifting and conveying device and a multi-layer feeding platform arranged sequentially from left to right and connected to each other; The multi-layer lifting and transporting device includes a lifting and transporting frame and a three-layer lifting mechanism, wherein the three-layer lifting mechanism is installed inside the lifting and transporting frame. 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. 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 feeding platform.

2. A solar multilayer lamination machine infeed 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 infeed 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 infeed 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 infeed lift stack structure according to claim 1, wherein, The multi-layer feeding platform includes a frame, a multi-layer transmission mechanism, multiple lower guide wheels, multiple upper guide wheels, a rack, a gear drive mechanism, and gears. 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. Multiple lower guide wheels are installed on the bottom platform of the frame and fitted into the lower guide rails. Multiple upper guide wheels are installed on the top of the frame and fitted into the upper guide rails. The rack is installed on the outer bottom of the multi-layer transmission mechanism. The gear drive mechanism is installed on the frame. The gear is installed on the gear drive mechanism and meshes with the rack.

6. A solar multilayer lamination machine infeed 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 infeed 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 infeed lift stack structure according to claim 7, wherein, The solar multilayer laminator feeding lifting stack structure further includes a lifting adjustment assembly, which includes a fixed plate, four screws, an adjusting plate, and multiple nuts. The fixed plate is fixed to the frame; the bottom ends of the four screws are all fixed to the fixed plate, and the four screws are distributed in a matrix; the adjusting plate has four through holes to fit onto the four screws; the upper bearing assembly is mounted on the adjusting plate; each screw has a nut screwed on both the upper and lower sides of the adjusting plate.

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