EVA (Ethylene Vinyl Acetate) film laying device

By designing an EVA film laying device that can cut and lay small strips and small materials at the same time, the problem that existing equipment cannot lay small strips and small materials at the same time is solved, and an efficient and low-cost laying process is achieved.

CN119460871AActive Publication Date: 2025-02-18SUZHOU KURICH AUTOMATION CO LTD
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Patent Information

Application Number
CN202510051585.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-02-18
Estimated Expiration
2045-01-14

AI Technical Summary

Technical Problem

The existing EVA film laying equipment can only lay small strips, and cannot lay small strips and small materials at the same time, resulting in high costs and easy leakage through manual labor.

Method used

An EVA film laying device was designed, including strip film laying module and block film laying module, which can simultaneously realize the cutting and laying of small strips and small materials, and integrate the loading, cutting and laying process to improve the Productivity.

Benefits of technology

Different types of EVA film laying are realized, which reduces costs, improves production efficiency, and avoids the problem of easy leakage in manual laying.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of photovoltaic module production line equipment, in particular to an EVA thin film laying device which comprises a conveying mechanism and a rack. A block-shaped film track, a strip-shaped film track, a radial film feeding mechanism, a strip-shaped film cutting mechanism, a strip-shaped film laying mechanism, a strip-shaped film feeding and cutting mechanism and a block-shaped film laying mechanism are arranged in the rack; the strip-shaped film cutting mechanism is used for cutting the EVA film into small strips; the block-shaped film laying mechanism is assembled on the block-shaped film track in a sliding mode and used for sucking the cut small materials and laying the cut small materials on the conveying mechanism. When the EVA film laying device is used, feeding, cutting and laying of small strips and feeding, cutting and laying of small materials are integrated, the production efficiency is improved, the occupied space is reduced, the manual labor force is reduced, and therefore the EVA film laying cost is reduced, and meanwhile, the accident that leakage is prone to occurring in manual laying is avoided through mechanical automatic laying.
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Description

Technical Field

[0001] The invention relates to the technical field of photovoltaic component production line equipment, and in particular to an EVA film laying device. Background Art

[0002] With the increasingly widespread application of solar power generation, the demand for photovoltaic modules is growing. In order to increase the production capacity and equipment costs of solar photovoltaic modules, various new technologies continue to emerge. EVA laying is an important process in the automatic production line of photovoltaic modules, and its impact on the production line's capacity is very obvious.

[0003] The patent application document with publication number CN113247624A discloses an automatic EVA laying equipment for photovoltaic modules, which discloses a laying table, an EVA feeding device arranged on both sides of the laying table, an EVA laying device arranged above the laying table, and an EVA translation device. The EVA feeding device is used to convey the EVA material to the EVA laying device, the EVA laying device includes an automatic cutting mechanism for cutting the EVA material and an EVA laying mechanism, and the EVA translation device is used to absorb and transport the cut EVA material on the laying table to the accompanying tooling board.

[0004] The above patent application document can automatically cut EVA into small strip structures and convey them to the accompanying tooling board when in use. However, EVA film not only has strip-shaped small strips, but also has block-shaped small materials. Moreover, with the increasingly widespread application of photovoltaic modules, there are more and more styles on the accompanying tooling board, and usually small strips and small materials need to be laid at the same time. However, the above patent application document can only lay small strips. When small materials and strips need to be laid at the same time, it is necessary to set up another laying equipment or manually lay small materials, which increases costs and is easy to miss manually. Summary of the invention

[0005] The invention provides an EVA film laying device to solve the technical problems of high cost and easy manual omission in the existing EVA film laying.

[0006] In order to solve the above problems, the present invention provides an EVA film laying device adopting the following technical solutions: An EVA film laying device comprises a frame, a conveying mechanism arranged on the frame and conveying photovoltaic panels in a front-to-back direction, and also comprises a strip film laying module and a block film laying module arranged on the frame, wherein the strip film laying module and the block film laying module are arranged on the left and right sides of the conveying mechanism and are arranged opposite to each other in the left-right direction; the strip film laying module comprises a web film feeding mechanism, a strip film cutting mechanism and a strip film laying mechanism slidably assembled on the frame in the left-right direction, wherein the web film feeding mechanism is used to supply web films, and the strip film cutting mechanism is used to cut web films The strip film is cut into strip films, and the strip film laying mechanism includes a strip film suction cup to absorb the strip film and place the strip film on the photovoltaic panel when the strip film laying mechanism moves left and right; the block film laying module includes a strip film feeding and cutting mechanism and a block film laying mechanism slidably assembled on the frame along the left and right directions, the strip film feeding and cutting mechanism is used to transport the rolled strip film to the right and cut it into block films; the block film laying mechanism includes a block film suction cup to absorb the block film and place the strip film on the photovoltaic panel when the block film laying mechanism moves left and right.

[0007] The beneficial effect is that when the EVA film laying device of the present invention is used, the conveying mechanism is first started to convey the raw materials of the EVA to be laid into the frame, and then the strip film laying mechanism is started according to the demand to absorb the cut small strips and lay them at the set position on the conveying mechanism; at the same time, the block film laying mechanism is started to absorb the cut small materials and lay them at the set position on the conveying mechanism. When the EVA film laying device of the present invention is used, according to different needs, it can simultaneously realize the laying of EVA films in different styles such as "small strips, small strips, small strips", "small strips, small materials, small strips" and "small materials, small strips, small materials", and integrate the loading, cutting, laying of small strips with the loading, cutting, laying of small materials, so as to improve production efficiency, reduce floor space, and reduce manual labor, thereby reducing the cost of EVA film laying. At the same time, mechanical and automated laying avoids accidents that are easy to miss during manual laying.

[0008] Furthermore, a strip film dividing mechanism is provided between the strip film cutting mechanism and the strip film laying mechanism. The strip film dividing mechanism includes a strip film placing plate, a dividing support rod extending in the front-to-back direction, a dividing cylinder slidably assembled on the dividing support rod, a dividing plate connected to the telescopic end of the dividing cylinder, and a dividing suction cup provided on the lower end surface of the dividing plate. Three placing stations are provided on the strip film placing plate, and the dividing suction cup is used to suck up small strips and place them on corresponding placing stations.

[0009] Beneficial effect: the efficiency of the strip film laying mechanism is improved, and the accident that the strip film laying mechanism needs to suck the strips but the strips have not been cut or conveyed to the position to be sucked is avoided.

[0010] Furthermore, the strip film laying mechanism includes a strip film laying track extending in the front-to-back direction, a strip film lifting cylinder slidably mounted on the strip film laying track, a strip film laying plate arranged at the telescopic end of the strip film lifting cylinder, and three groups of strip film suction cups arranged on the lower end surface of the strip film laying plate. The three groups of strip film suction cups are arranged one by one corresponding to the three placement stations, and the three groups of strip film suction cups can simultaneously absorb each small strip on any placement station.

[0011] Beneficial effect: The efficiency of the strip film laying mechanism in sucking small strips is improved, and at the same time, the three groups of strip film suction cups are controlled to work separately, so that small strips placed at different positions can be sucked according to style requirements.

[0012] Furthermore, a strip film feeding mechanism is provided on the right side of the strip film cutting mechanism. The strip film feeding mechanism includes a lifting roller, a rotating roller, and a feeding motor. The lifting roller can be lifted and lowered in the up and down directions. The rotating roller is coaxially fixed to the output shaft of the feeding motor. The rotating roller and the lifting roller can clamp the EVA film and transport the EVA film to the left.

[0013] Beneficial effects: simple structure, convenient for small strip transportation.

[0014] Furthermore, both the lifting roller and the rotating roller are provided with stripe-shaped deep grooves, which extend from the middle to the front and rear sides and are symmetrically arranged.

[0015] Beneficial effects: the friction between the lifting roller and the rotating roller and the small strip is increased, and at the same time, the deep groove can also flatten the small strip to prevent the small strip from bending.

[0016] Furthermore, a strip film punching mechanism is provided on the right side of the strip film feeding mechanism, and the strip film punching mechanism is used to perform punching operations on the EVA film.

[0017] Furthermore, the block film laying mechanism includes a block film laying track extending in the front-to-back direction, three block film lifting tracks slidably mounted on the block film laying track, three block film suction cylinders respectively slidably mounted on the three block film lifting tracks, and three block film suction cups respectively installed on the telescopic ends of the block film suction cylinders.

[0018] Beneficial effect: It can absorb three small pieces of materials at one time with high efficiency.

[0019] Furthermore, the strip film feeding and cutting mechanism includes a block film coil tray, a small material cutting board for receiving the EVA film on the block film coil tray, a small material cutting knife for cutting the EVA film on the small material cutting board into block small materials, a block film conveying track extending in the front-to-back direction, a small material placing plate, a block film transfer member slidably mounted on the block film conveying track and used to absorb the small materials on the small material cutting board to the small material placing plate, and the block film laying mechanism is used to absorb the small materials on the small material placing plate and lay them on the conveying mechanism.

[0020] Beneficial effects: simple structure, high degree of automation, and reduced manual labor.

[0021] Furthermore, two small material placement plates are provided, and the two small material placement plates can reciprocate and alternately move in the left and right directions.

[0022] Beneficial effects: Improve efficiency and ensure that the block film laying mechanism can absorb small materials at any time.

[0023] Furthermore, the strip film feeding and cutting mechanism also includes a first placement rail, a second placement rail, a supporting plate slidably assembled on the second placement rail, and a supporting cylinder connected to the supporting plate, and the second placement rail is located below the first placement rail; the two small material placement plates are the first placement plate and the second placement plate, respectively, the first placement plate is slidably assembled on the first placement rail, the second placement plate is arranged above the supporting plate at intervals in the up and down directions, and the second placement plate is connected to the telescopic end of the supporting cylinder; and when the supporting cylinder is shortened to the shortest position, the second placement plate is located below the first placement plate.

[0024] Beneficial effects: The structure is simple, and it is convenient to transport small materials by replacing the first placement board with the second placement board. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] By reading the following detailed description with reference to the accompanying drawings, the above and other objects, features and advantages of the exemplary embodiments of the present invention will become readily understood. In the accompanying drawings, several embodiments of the present invention are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein: Figure 1 It is a structural schematic diagram of an EVA film laying device of the present invention; Figure 2 A cross-sectional view of an EVA film laying device of the present invention; Figure 3 for Figure 2 The enlarged schematic diagram at A in the middle; Figure 4 It is a structural schematic diagram of the web-shaped film feeding mechanism of the present invention; Figure 5It is a structural schematic diagram of the strip film punching mechanism of the present invention; Figure 6 It is a structural schematic diagram of the strip film cutting mechanism of the present invention; Figure 7 It is a structural schematic diagram of the strip film distributing mechanism of the present invention; Figure 8 It is a structural schematic diagram of a strip film placement plate of the present invention; Fig. 9 It is a structural schematic diagram of the strip film laying mechanism of the present invention; Fig.10 It is a structural schematic diagram of the strip film feeding and cutting mechanism of the present invention; Fig.11 It is a schematic structural diagram of the block film laying mechanism of the present invention.

[0026] Description of reference numerals: 1. Frame; 2. Conveying mechanism; 3. Block film track; 4. Strip film track; 5. Width film feeding mechanism; 6. Heavy hammer induction tensioning mechanism; 7. Strip film punching mechanism; 8. Strip film feeding mechanism; 9. Strip film cutting mechanism; 10. Strip film dividing mechanism; 11. Strip film laying mechanism; 12. Strip film feeding and cutting mechanism; 13. Block film laying mechanism; 14. Block film raw material placement table; 15. Welding parts; 16. Block film transmission power motor; 17. Waste recovery pipe; 18. Lifting roller; 19. Rotating roller; 20. Mounting plate; 21. Cutting cylinder; 22. Strip film waiting plate; 23. Strip film Film placement plate; 24, material distribution support rod; 25, material distribution cylinder; 26, material distribution plate; 27, material distribution suction cup; 29, strip film laying track; 30, strip film lifting cylinder; 31, strip film laying plate; 32, strip film suction cup; 33, block film winding disc; 34, block film conveying track; 35, block film transfer part; 36, first placement plate; 37, second placement plate; 38, first placement track; 39, second placement track; 40, carrying plate; 41, carrying cylinder; 42, block film waiting plate; 43, block film laying track; 44, block film lifting track; 45, block film suction cylinder; 46, block film suction cup. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Those skilled in the art should know that the embodiments described below are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0028] Any number of elements in the drawings is for illustration and not limitation, and any naming is for distinction only and does not have any limiting meaning.

[0029] The principle and spirit of the present invention are explained in detail below with reference to several representative embodiments of the present invention.

[0030] Embodiment 1 of an EVA film laying device provided by the present invention: like Figures 1 to 11 As shown, an EVA film laying device of the present invention comprises a frame 1 and a conveying mechanism 2 arranged on the frame 1 and conveying photovoltaic panels in the front-to-back direction. The conveying mechanism 2 is arranged in the middle of the frame 1 and conveys photovoltaic panels in the front-to-back direction.

[0031] like Figure 1 and Figure 2 As shown, the frame 1 is provided with a strip film laying module, a block film laying module, a block film track 3 extending in the left-right direction, and a strip film track 4 extending in the left-right direction. The strip film laying module and the block film laying module are arranged on the left and right sides of the conveying mechanism 2 and are arranged opposite to each other in the left-right direction. Figure 1 As shown, two block film rails 3 and two strip film rails 4 are provided and are respectively arranged on the inner sides of the front and rear side walls of the frame 1 , and the block film rails 3 are arranged above the strip film rails 4 .

[0032] The strip film laying module is arranged on the right side of the conveying mechanism 2 and includes a web film feeding mechanism 5, a weight-inductive tensioning mechanism 6, a strip film punching mechanism 7, a strip film feeding mechanism 8, a strip film cutting mechanism 9, a strip film dividing mechanism 10, and a strip film laying mechanism 11.

[0033] like Figure 1 and Figure 4 As shown, the web film feeding mechanism 5 is arranged at the right end of the frame 1, and the web film feeding mechanism 5 includes a block film raw material placement table 14, a welding piece 15, a block film transmission power motor 16 and two transmission shafts arranged at intervals in the front-to-back direction. When in use, the EVA raw material is first placed on the block film raw material placement table 14 and pushed to the position corresponding to the small strip transmission power transmission shaft, and then the EVA raw material is clamped between the two transmission shafts, and finally the block film transmission power motor 16 is started to drive the transmission shaft to rotate, thereby rotating the EVA raw material and conveying the EVA raw material to the left.

[0034] The welding piece 15 is arranged above the transmission shaft and the EVA raw material is conveyed to the left to pass along the welding piece 15. The welding piece 15 is a prior art and the specific structure is not repeated here. The welding piece 15 is used to weld the end of the used EVA raw material with the initial end of the newly loaded EVA raw material to improve the continuity of the EVA raw material feeding.

[0035] like Figure 4 As shown, the weight-sensing tensioning mechanism 6 is arranged on the left side of the web-shaped film feeding mechanism 5, and the EVA raw material passes through the weight-sensing tensioning mechanism 6 and is conveyed to the left. The weight-sensing tensioning mechanism 6 is a prior art, and the specific structure is not described here. The weight-sensing tensioning mechanism 6 is used to tension the EVA raw material to improve the stability of the EVA raw material when it is conveyed to the left.

[0036] like Figure 5 As shown, the strip film punching mechanism 7 is arranged on the left side of the weight-hammer induction tensioning mechanism 6 to perform punching operation on the EVA film conveyed by the weight-hammer induction tensioning mechanism 6. The strip film punching mechanism 7 is a prior art, and the specific structure is not described here. A waste recovery pipe 17 is also connected below each punching station of the strip film punching mechanism 7.

[0037] like Figure 3 As shown, the strip film feeding mechanism 8 is arranged on the left side of the strip film punching mechanism 7, and the strip film feeding mechanism 8 includes a roller lifting cylinder, a lifting roller 18, a rotating roller 19, and a feeding motor. One end of the lifting roller 18 is connected to the telescopic end of the roller lifting cylinder, and the rotating roller 19 is arranged below the lifting roller 18 at intervals in the up and down direction. The output shaft of the feeding motor and the rotating roller 19 are coaxially fixed. The lifting roller 18 and the rotating roller 19 are both provided with stripe-shaped deep grooves, which extend from the middle to the front and rear sides and are symmetrically arranged. When in use, the lifting roller 18 is driven by the roller lifting cylinder to descend, so that the rotating roller 19 and the lifting roller 18 can clamp the EVA film, and the feeding motor drives the rotating roller 19 to rotate so as to transport the EVA film to the left; at the same time, the stripe-shaped deep grooves are provided so that when the EVA film is transported, the stripe-shaped deep grooves can form relative tension on the front and rear sides of the EVA film, thereby ensuring the stability of the EVA film during transportation and preventing the EVA film from bending.

[0038] like Figure 6 As shown, the strip film cutting mechanism 9 is arranged on the left side of the strip film feeding mechanism 8, and the strip film cutting mechanism 9 includes a mounting plate 20, a plurality of cutting cylinders 21 arranged on the mounting plate 20, a cutting knife and a strip film waiting plate 22. The mounting plate 20 is fixedly installed in the frame 1, and two cutting cylinders 21 are provided. Both cutting cylinders 21 are fixed on the mounting plate 20 and the telescopic ends of the cutting cylinders 21 extend vertically downward. The cutting knife is connected to the telescopic end of each cutting cylinder 21 and the blade is downward. The cutting knife and the strip film waiting plate 22 are arranged correspondingly so that the cut small strips are placed on the strip film waiting plate 22.

[0039] like Figure 7 and Figure 8As shown, the strip film dividing mechanism 10 is arranged on the left side of the strip film cutting mechanism 9, and the strip film dividing mechanism 10 includes a strip film placing plate 23, a dividing support rod 24 extending in the front-to-back direction, a dividing cylinder 25 slidably assembled on the dividing support rod 24, a dividing plate 26 connected to the telescopic end of the dividing cylinder 25, and a dividing suction cup 27 arranged on the lower end surface of the dividing plate 26. Three placing stations are arranged on the strip film placing plate 23, and the dividing suction cup 27 is used to suck the small strips on the strip film waiting plate 22 and place them on the corresponding placing stations.

[0040] like Fig. 9 As shown, the strip film laying mechanism 11 is arranged on the left side of the strip film feeding mechanism 10, and the strip film laying mechanism 11 includes a strip film laying track 29 extending in the front-to-back direction, a strip film lifting cylinder 30 slidably mounted on the strip film laying track 29, a strip film laying plate 31 arranged at the telescopic end of the strip film lifting cylinder 30, and three groups of strip film suction cups 32 arranged on the lower end surface of the strip film laying plate 31. The strip film laying track 29 is slidably mounted on the strip film track 4 in the left-right direction.

[0041] The three groups of strip film suction cups 32 are arranged in one-to-one correspondence with the three placement stations, and the three groups of strip film suction cups 32 are controlled and operated separately, so that the strip film laying mechanism 11 can absorb small strips of different numbers at different stations and place them on the conveying mechanism 2.

[0042] The block film laying module is arranged on the left side of the conveying mechanism 2, and the block film laying module includes a strip film feeding and cutting mechanism 12 and a block film laying mechanism 13. like Figure 2 and Fig.10 As shown, the strip film feeding and cutting mechanism 12 is arranged at the left end of the frame 1, and the strip film feeding and cutting mechanism 12 includes a block film coil tray 33, a small material cutting plate for receiving the EVA film on the block film coil tray 33, a small material cutting knife for cutting the EVA film on the small material cutting board into block small materials, a block film conveying track 34 extending along the front and rear directions, a small material placing plate, and a block film transfer member 35 slidably assembled on the block film conveying track 34 and used to absorb the small materials on the small material cutting board to the small material placing plate.

[0043] There are two small material placement plates, the first placement plate 36 and the second placement plate 37, respectively. The first placement plate 36 and the second placement plate 37 can alternately move back and forth in the left and right directions. Fig.10As shown, the strip film feeding and cutting mechanism 12 also includes a first placement rail 38, a second placement rail 39, a carrier plate 40 slidably mounted on the second placement rail 39, and a carrier cylinder 41 connected to the carrier plate 40, the second placement rail 39 is located below the first placement rail 38; the first placement plate 36 is slidably mounted on the first placement rail 38, the second placement plate 37 is arranged above the carrier plate 40 at intervals in the up-down direction, and the second placement plate 37 is connected to the telescopic end of the carrier cylinder 41; and when the carrier cylinder 41 is shortened to the shortest position, the second placement plate 37 is located below the first placement plate 36. Three block film waiting plates 42 are provided on both the first placement plate 36 and the second placement plate 37.

[0044] like Fig.11 As shown, the block film laying mechanism 13 is arranged on the right side of the strip film feeding and cutting mechanism 12, and the block film laying mechanism 13 includes a block film laying track 43 extending in the front-back direction, three block film lifting tracks 44 slidably mounted on the block film laying track 43, three block film suction cylinders 45 respectively slidably mounted on the three block film lifting tracks 44, and three block film suction cups 46 respectively mounted on the telescopic ends of the block film suction cylinders 45. The three block film suction cups 46 are arranged one by one corresponding to the three block film waiting plates 42.

[0045] like Figure 1 and Figure 2 As shown, the block film laying track 43 is slidably assembled on the block film track 3 along the left and right directions.

[0046] When an EVA film laying device of the present invention is in use, the conveying mechanism 2 is first started to convey the raw material of EVA to be laid into the frame 1, and then the strip film laying mechanism 11 is started according to demand to absorb the cut small strips and lay them at the set position on the conveying mechanism 2; at the same time, the block film laying mechanism 13 is started to absorb the cut small materials and lay them at the set position on the conveying mechanism 2.

[0047] When in use, the EVA film laying device of the present invention can simultaneously realize the laying of EVA films in different styles such as "small strips, small strips, small strips", "small strips, small materials, small strips" and "small materials, small strips, small materials" according to different needs, and integrates the loading, cutting and laying of small strips with the loading, cutting and laying of small materials, thereby improving production efficiency, reducing floor space, and reducing manual labor, thereby reducing the cost of EVA film laying. At the same time, mechanical and automated laying avoids accidents that are prone to omissions during manual laying.

[0048] Embodiment 2 of an EVA film laying device provided by the present invention: The main difference between it and Example 1 is: In Example 1, a strip film distributing mechanism is further provided between the strip film cutting mechanism and the strip film laying mechanism.

[0049] In this embodiment, no strip film distributing mechanism is provided, and the strip film laying mechanism directly absorbs the small strips from the strip film waiting plate.

[0050] Embodiment 3 of an EVA film laying device provided by the present invention: The main difference between it and Example 1 is: In Example 1, two small material placement plates are provided, and the two small material placement plates can reciprocate and alternately move in the left and right directions.

[0051] In this embodiment, one small material placement plate is provided, and the small material placement plate can reciprocate in the left and right directions.

[0052] According to the above description of this specification, those skilled in the art may also understand that the terms used below, such as "up", "down", "front", "back", "left", "right", "width", "horizontal", "top", "bottom", "inside", "outside" and the like, which indicate orientation or positional relationships, are based on the orientation or positional relationships shown in the drawings of this specification, and are only for the purpose of facilitating the explanation of the scheme of the present invention and simplifying the description, rather than explicitly or implicitly indicating that the devices or elements involved must have the specific orientation, be constructed and operated in a specific orientation. Therefore, the above-mentioned orientation or positional relationship terms cannot be understood or interpreted as limitations on the scheme of the present invention.

[0053] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the methods and technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of the technical solution of the present invention.

[0054] In addition, in the description of this specification, “plurality” means at least two, for example, two, three or more, etc., unless otherwise clearly and specifically defined.

Claims

1. An EVA film laying device, comprising a frame, and a conveying mechanism arranged on the frame and conveying photovoltaic panels in a front-to-back direction, characterized in that: It also includes a strip film laying module and a block film laying module arranged on the frame, the strip film laying module and the block film laying module are respectively arranged on the left and right sides of the conveying mechanism and are arranged opposite to each other in the left and right directions; The strip film laying module includes a web film feeding mechanism, a strip film cutting mechanism, and a strip film laying mechanism slidably mounted on a frame in the left and right directions, the web film feeding mechanism is used to supply web films, the strip film cutting mechanism is used to cut the web films into strip films, and the strip film laying mechanism includes a strip film suction cup to absorb the strip film, and the strip film is placed on the photovoltaic panel when the strip film laying mechanism moves left and right; The block film laying module includes a strip film feeding and cutting mechanism and a block film laying mechanism slidably assembled on a frame along the left and right directions. The strip film feeding and cutting mechanism is used to transport the rolled strip film to the right and cut it into block films; the block film laying mechanism includes a block film suction cup to absorb the block film, and places the strip film on the photovoltaic panel when the block film laying mechanism moves left and right.

2. The EVA film laying device according to claim 1, characterized in that: A strip film dividing mechanism is also provided between the strip film cutting mechanism and the strip film laying mechanism. The strip film dividing mechanism includes a strip film placing plate, a dividing support rod extending in the front-to-back direction, a dividing cylinder slidably assembled on the dividing support rod, a dividing plate connected to the telescopic end of the dividing cylinder, and a dividing suction cup provided on the lower end surface of the dividing plate. Three placing stations are provided on the strip film placing plate, and the dividing suction cup is used to suck up small strips and place them on the corresponding placing stations.

3. An EVA film laying device according to claim 2, characterized in that: The strip film laying mechanism includes a strip film laying track extending in the front-to-back direction, a strip film lifting cylinder slidably mounted on the strip film laying track, a strip film laying plate arranged at the telescopic end of the strip film lifting cylinder, and three groups of strip film suction cups arranged on the lower end surface of the strip film laying plate. The three groups of strip film suction cups are arranged in one-to-one correspondence with the three placement stations, and the three groups of strip film suction cups can simultaneously absorb each small strip on any placement station.

4. The EVA film laying device according to claim 3, characterized in that: A strip film feeding mechanism is also provided on the right side of the strip film cutting mechanism. The strip film feeding mechanism includes a lifting roller, a rotating roller, and a feeding motor. The lifting roller can be lifted and lowered in the up and down directions. The rotating roller is coaxially fixed to the output shaft of the feeding motor. The rotating roller and the lifting roller can clamp the EVA film and transport the EVA film to the left.

5. The EVA film laying device according to claim 4, characterized in that: The lifting roller and the rotating roller are both provided with stripe-shaped deep grooves, which extend from the middle to the front and rear sides and are symmetrically arranged.

6. The EVA film laying device according to claim 5, characterized in that: A strip film punching mechanism is also provided on the right side of the strip film feeding mechanism, and the strip film punching mechanism is used for performing punching operation on the EVA film.

7. An EVA film laying device according to any one of claims 1 to 6, characterized in that: The block film laying mechanism includes a block film laying track extending in the front-to-back direction, three block film lifting tracks slidably mounted on the block film laying track, three block film suction cylinders respectively slidably mounted on the three block film lifting tracks, and three block film suction cups respectively mounted on the telescopic ends of the block film suction cylinders.

8. The EVA film laying device according to claim 7, characterized in that: The strip film feeding and cutting mechanism includes a block film coil tray, a small material cutting board for receiving the EVA film on the block film coil tray, a small material cutting knife for cutting the EVA film on the small material cutting board into block small materials, a block film conveying track extending in the front-to-back direction, a small material placing plate, a block film transfer member slidably mounted on the block film conveying track and used to absorb the small materials on the small material cutting board to the small material placing plate, and the block film laying mechanism is used to absorb the small materials on the small material placing plate and lay them on the conveying mechanism.

9. The EVA film laying device according to claim 8, characterized in that: Two small material placement plates are provided, and the two small material placement plates can reciprocate and alternately move in the left and right directions.

10. The EVA film laying device according to claim 9, characterized in that: The strip film feeding and cutting mechanism also includes a first placement rail, a second placement rail, a supporting plate slidably assembled on the second placement rail, and a supporting cylinder connected to the supporting plate, the second placement rail is located below the first placement rail; the two small material placement plates are the first placement plate and the second placement plate, the first placement plate is slidably assembled on the first placement rail, the second placement plate is arranged above the supporting plate at intervals in the up and down directions, and the second placement plate is connected to the telescopic end of the supporting cylinder; and when the supporting cylinder is shortened to the shortest position, the second placement plate is located below the first placement plate.

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