EVA (Ethylene Vinyl Acetate) adhesive film laminating device for photovoltaic module
By designing an EVA film bonding device for photovoltaic components including body, mobile mechanism, motor and turntable, the problems of inconvenient use and poor bonding effect of existing devices are solved, and a more efficient and convenient film bonding effect is achieved.
Patent Information
- Application Number
- CN202421807246.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The existing EVA film bonding device for photovoltaic modules has problems such as inconvenient use, poor side panel stability, poor traction effect and low driving efficiency, resulting in poor bonding effect.
An EVA film bonding device for photovoltaic components including a body, a moving mechanism, a placement table, a motor, a drive shaft, a film roll, a turntable, a moving block, a spring and a buffer mechanism is designed. Through the transmission shaft and film roll driven by the moving mechanism and the motor, the film is automatically covered and cut, and the film is improved through the cooperation of the turntable and the moving block.
This device makes the EVA film bonding of photovoltaic modules more convenient and efficient, the stability of the side plate and the traction effect are significantly improved, the driving efficiency is improved, the bonding effect is significantly improved, and the use is more convenient.
Smart Images

Figure CN222869324U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of EVA adhesive film laminating devices for photovoltaic modules, in particular to an EVA adhesive film laminating device for photovoltaic modules. Background Art
[0002] EVA is a thermosetting adhesive film that is placed between laminated glass (EVA is the abbreviation of polyethylene-polyvinyl acetate copolymer). Due to the advantages of EVA film in adhesion, durability, optical properties, etc., it is increasingly widely used in current components and various optical products. Existing devices still have some defects; for example;
[0003] For example, a low melt index white EVA photovoltaic film traction device with a publication number of CN116081368A, when the technology is used, has two mutually parallel side plates; a driving assembly installed on the outside of one of the side plates; and a traction assembly arranged between the two side plates and driven to rotate by the driving assembly; wherein the traction assembly comprises an upper driving belt and a lower driving belt corresponding to each other, and the upper driving belt and the lower driving belt are attached to each other by setting a suction assembly;
[0004] The above device has some problems. It is troublesome to use, the stability of the side panels is poor, the traction effect of the traction device is not good, the driving efficiency of the drive belt and the lower drive belt is low, it is inconvenient to use, and it does not have a fitting effect.
[0005] Therefore, we propose an EVA film bonding device for photovoltaic modules to solve the above-mentioned problems. Utility Model Content
[0006] The utility model aims to provide an EVA film laminating device for photovoltaic modules, so as to solve the problems raised by the above background technology that the EVA film laminating device for photovoltaic modules on the market currently has poor laminating effect and is inconvenient to use.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an EVA film laminating device for photovoltaic modules, comprising a body;
[0008] The machine body is connected to the placement table through a moving mechanism, and the inside of the machine body is fixedly connected to the motor, and the front end of the motor is fixedly connected to the transmission shaft, the transmission shaft is fixedly connected to the second gear, and the second gear is meshed with the third gear, and the transmission shaft is connected to the transmission belt through a pulley, the transmission belt is connected to the film roll, and the film roll is rotatably connected to the inside of the machine body;
[0009] The interior of the body is rotatably connected to the turntable, and the surface of the turntable is fixedly connected to the rotating shaft, the surface of the turntable is provided with a groove, and the surface of the turntable is in contact with the moving block, and the moving block is connected to the interior of the body through a first spring, the bottom of the moving block is fixedly connected to the moving plate, and the moving plate is fixedly connected to the pressure block through a buffer mechanism.
[0010] As the preferred technical solution of the utility model, the moving mechanism includes a rack, a first gear, a rotating rod, and a placement table. The rack is fixedly connected to the inside of the machine body, and the rack is meshed with the first gear, and the first gear is fixedly connected to the rotating rod, the rotating rod is rotationally connected to the inside of the machine body, and the upper end of the rotating rod is rotationally connected to the placement table.
[0011] As a preferred technical solution of the utility model, the buffer mechanism includes a second spring, a slider, and a pressure block. The upper end of the slider is slidably connected to the inside of the movable plate, and the lower end of the slider is fixedly connected to the top of the pressure block, and a spring is arranged on the surface of the slider.
[0012] As a preferred technical solution of the utility model, the inside of the body is fixedly connected to the tail of the push rod, the bottom of the push rod is fixedly connected to the cutting knife, and a controller is arranged on the surface of the body.
[0013] As a preferred technical solution of the utility model, the transmission shaft is symmetrically arranged about the center of the machine body, and the left side of the transmission shaft is fixedly connected to the second gear and the third gear respectively, and the transmission shaft is rotationally connected to the inside of the machine body.
[0014] As a preferred technical solution of the utility model, the first spring is symmetrically arranged about the center of the moving block, and the lower end of the first spring is fixedly connected to both sides of the moving block respectively, and the moving block is made of metal.
[0015] As a preferred technical solution of the utility model, a gasket is provided at the contact position between the slider and the inner slide groove of the movable plate, and the gasket is symmetrically arranged about the center of the slider, and the material of the gasket is rubber.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] 1. The device is provided with a convenient structure. When in use, it is only necessary to place the photovoltaic module on the internal placement table, and after the photovoltaic module on the placement table is moved to the bottom of the pressing block by the moving mechanism, the transmission shaft and the film roll are driven by the motor to rotate, so that the film covers the surface of the photovoltaic module and the excess film is cut by the cutting knife. This structure is more convenient to use, and there is no need to manually cover the surface of the photovoltaic module with the film, and the use efficiency is better;
[0018] 2. The device is provided with an EVA film bonding structure, and the handle drives the rotating shaft to rotate, so that the rotating shaft drives the turntable to rotate. When the turntable surface contacts the moving block, the moving block is pushed downward, and at the same time, the first springs on both sides of the moving block are stretched, so that the moving block drives the moving plate below to move, and at the same time, the pressing block below contacts the film on the surface of the photovoltaic component, and the pressing block is buffered by the buffer mechanism, so that the pressing effect of the pressing block is better, and the film bonding effect is better. At the same time, when the groove on the surface of the turntable rotates to the bottom, the continuous rotation of the turntable during use can make the pressing block reciprocate up and down, so that the film bonding effect is better, and at the same time, the moving mechanism can be used to lower the film at different positions, so that the bonding is more comprehensive. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the main cross-sectional structure of the utility model;
[0020] Figure 2 It is a side view structural diagram of the transmission shaft of the utility model;
[0021] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;
[0022] Figure 4 This is a schematic diagram of the structure of the movable plate of the utility model;
[0023] Figure 5 It is a schematic diagram of the side view structure of the rotating shaft of the utility model;
[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the film roll of the utility model.
[0025] In the figure: 1, machine body; 2, rack; 3, first gear; 4, rotating rod; 5, placing table; 6, motor; 7, transmission shaft; 8, second gear; 9, third gear; 10, transmission belt; 11, film roll; 12, rotating shaft; 13, turntable; 14, moving block; 15, first spring; 16, moving plate; 17, slider; 18, second spring; 19, pressure block; 20, push rod; 21, cutting knife. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0027] See also Figure 1-6 , the utility model provides a technical solution: an EVA film laminating device for photovoltaic modules, comprising a body 1;
[0028] The machine body 1 is connected to the placement table 5 through a moving mechanism, and the moving mechanism includes a rack 2, a first gear 3, a rotating rod 4, and a placement table 5. The rack 2 is fixedly connected to the inside of the machine body 1, and the rack 2 is meshed with the first gear 3, and the first gear 3 is fixedly connected to the rotating rod 4, the rotating rod 4 is rotationally connected to the inside of the machine body 1, and the upper end of the rotating rod 4 is rotationally connected to the placement table 5, and the inside of the machine body 1 is fixedly connected to the motor 6, and the front end of the motor 6 is fixedly connected to the transmission shaft 7, the transmission shaft 7 is symmetrically arranged about the center of the machine body 1, and the transmission The left side of the shaft 7 is fixedly connected to the second gear 8 and the third gear 9 respectively, and the transmission shaft 7 is rotatably connected to the inside of the body 1, the transmission shaft 7 is fixedly connected to the second gear 8, and the second gear 8 is meshed with the third gear 9, and the transmission shaft 7 is connected to the transmission belt 10 through a pulley, the transmission belt 10 is connected to the film roll 11, and the film roll 11 is rotatably connected to the inside of the body 1, the inside of the body 1 is fixedly connected to the tail of the push rod 20, and the bottom of the push rod 20 is fixedly connected to the cutting knife 21, and a controller is provided on the surface of the body 1;
[0029] When in use, first, after placing the photovoltaic module from the right side of the machine body 1 onto the top of the placement table 5 inside the machine body 1, the handle at the bottom of the machine body 1 can be turned, so that the handle drives the rotating rod 4 to rotate, so that the rotating rod 4 drives the first gear 3 to rotate, and because the first gear 3 and the rack 2 are meshed, the second gear 8 moves on the rack 2 and drives the placement table 5 above to move, so that after the placement table 5 moves to the bottom of the pressing block 19, the motor 6 is started to drive the transmission shaft 7 to rotate, so that the second gear 8 and the transmission belt 10 rotate synchronously, because the second gear 8 and the third gear 9 are meshed, the two transmission shafts 7 rotate synchronously, and at the same time, the transmission belt 10 drives the film roll 11 to rotate, and after the upper film is released, it is transmitted to the front through the two transmission shafts 7, so that the film reaches the top of the photovoltaic module, and the observation window on the surface of the machine body 1 can be used to observe whether the film completely covers the photovoltaic module, and when it is completely covered, the push rod 20 is started to drive the cutting knife 21 to descend to cut the film;
[0030] The interior of the body 1 is rotatably connected to the turntable 13, and the surface of the turntable 13 is fixedly connected to the rotating shaft 12. A groove is provided on the surface of the turntable 13, and the surface of the turntable 13 contacts the moving block 14, and the moving block 14 is connected to the interior of the body 1 through a first spring 15. The first spring 15 is symmetrically arranged about the center of the moving block 14, and the lower end of the first spring 15 is respectively fixedly connected to both sides of the moving block 14, and the moving block 14 is made of metal. The lower part of the moving block 14 is fixedly connected to the moving plate 16, and the moving plate 16 is fixedly connected to the pressing block 19 through a buffer mechanism. The buffer mechanism includes a second spring 18, a slider 17, and a pressing block 19. The upper end of the slider 17 is slidably connected to the interior of the moving plate 16, and the lower end of the slider 17 is fixedly connected to the upper part of the pressing block 19, and a spring is provided on the surface of the slider 17. A gasket is provided at the contact position of the slider 17 and the internal slide groove of the moving plate 16, and the gasket is symmetrically arranged about the center of the slider 17, and the gasket is made of rubber;
[0031] At this time, the handle on the surface of the body 1 is rotated so that the handle drives the rotating shaft 12 to rotate, and the rotating shaft 12 drives the turntable 13 to rotate. When the surface of the turntable 13 contacts the moving block 14, the moving block 14 is pushed downward, and the first springs 15 on both sides of the moving block 14 are stretched, so that the moving block 14 drives the moving plate 16 below to move. At the same time, the pressing block 19 below contacts the adhesive film on the surface of the photovoltaic component, and the pressing block 19 drives the slider 17 to move in the slide groove inside the moving plate 16. At the same time, the second spring 18 on the surface of the slider 17 contracts, so that the adhesive film has a better bonding effect. At the same time, when the groove on the surface of the turntable 13 rotates to the bottom, the moving block 14 is reset by the first spring 15. At the same time, the pressing block 19 can press down on one place multiple times, so that the bonding effect is higher. At the same time, the rotating rod 4 below can be rotated to move the placement table 5, and different positions can be pressed down to make the bonding more comprehensive.
[0032] Working principle: When using the EVA film laminating device for photovoltaic components, first, when using it, put the photovoltaic component from the right side of the body 1 onto the top of the placement table 5 inside the body 1, and then turn the handle at the bottom of the body 1 so that the handle drives the rotating rod 4 to rotate, so that the rotating rod 4 drives the first gear 3 to rotate, and because the first gear 3 is meshed with the rack 2, the second gear 8 moves on the rack 2 and drives the placement table 5 above to move, so that after the placement table 5 moves to the bottom of the pressing block 19, start the motor 6 to drive the transmission shaft 7 to rotate, so that the second gear 8 and the transmission belt 10 rotate synchronously, because the second gear 8 and the third gear 9 are meshed, the two transmission shafts 7 rotate synchronously, and at the same time, the transmission belt 10 drives the film roll 11 to rotate, and after the upper film is released, it is transmitted to the front through the two transmission shafts 7, so that the film reaches the top of the photovoltaic component, and the observation window on the surface of the body 1 can be used to observe whether the film completely covers the photovoltaic component. When it is completely covered, start the push rod 20 to drive the cutting The cutter 21 descends to cut the film. At this time, the handle on the surface of the body 1 is rotated to drive the rotating shaft 12 to rotate, so that the rotating shaft 12 drives the turntable 13 to rotate. When the surface of the turntable 13 contacts the moving block 14, the moving block 14 is pushed downward, and the first springs 15 on both sides of the moving block 14 are stretched, so that the moving block 14 drives the moving plate 16 below to move. At the same time, the pressing block 19 below contacts the film on the surface of the photovoltaic component, and the pressing block 19 drives the slider 17 to move in the slide groove inside the moving plate 16. At the same time, the second spring 18 on the surface of the slider 17 contracts, so that the film bonding effect is better. At the same time, when the groove on the surface of the turntable 13 rotates to the bottom, the moving block 14 is reset by the first spring 15. At the same time, the pressing block 19 can press down on one place multiple times, so that the bonding effect is higher. At the same time, the rotating rod 4 below can be rotated to move the placement table 5, and different positions can be pressed down to make the bonding more comprehensive.
[0033] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. An EVA film laminating device for a photovoltaic module, comprising a body (1); Features: The machine body (1) is connected to the placement table (5) via a moving mechanism, and the interior of the machine body (1) is fixedly connected to the motor (6), and the front end of the motor (6) is fixedly connected to the transmission shaft (7), the transmission shaft (7) is fixedly connected to the second gear (8), and the second gear (8) and the third gear (9) are meshed, and the transmission shaft (7) is connected to the transmission belt (10) via a pulley, and the transmission belt (10) is connected to the film roll (11), and the film roll (11) is rotationally connected to the interior of the machine body (1); The interior of the machine body (1) is rotatably connected to a turntable (13), and the surface of the turntable (13) is fixedly connected to a rotating shaft (12). A groove is provided on the surface of the turntable (13), and the surface of the turntable (13) is in contact with a moving block (14), and the moving block (14) is connected to the interior of the machine body (1) via a first spring (15). The bottom of the moving block (14) is fixedly connected to a moving plate (16), and the moving plate (16) is fixedly connected to a pressure block (19) via a buffer mechanism.
2. The EVA film laminating device for photovoltaic modules according to claim 1, characterized in that: The moving mechanism comprises a rack (2), a first gear (3), a rotating rod (4), and a placement platform (5); the rack (2) is fixedly connected to the inside of the machine body (1), the rack (2) is meshed with the first gear (3), the first gear (3) is fixedly connected to the rotating rod (4), the rotating rod (4) is rotationally connected to the inside of the machine body (1), and the upper end of the rotating rod (4) is rotationally connected to the placement platform (5).
3. The EVA film laminating device for photovoltaic modules according to claim 1, characterized in that: The buffer mechanism comprises a second spring (18), a slider (17), and a pressure block (19); the upper end of the slider (17) is slidably connected to the inside of the moving plate (16), the lower end of the slider (17) is fixedly connected to the top of the pressure block (19), and a spring is arranged on the surface of the slider (17).
4. The EVA film laminating device for photovoltaic modules according to claim 1, characterized in that: The interior of the machine body (1) is fixedly connected to the tail of the push rod (20), and the bottom of the push rod (20) is fixedly connected to the cutting knife (21), and a controller is arranged on the surface of the machine body (1).
5. The EVA film laminating device for photovoltaic modules according to claim 1, characterized in that: The transmission shaft (7) is symmetrically arranged about the center of the machine body (1), and the left side of the transmission shaft (7) is fixedly connected to the second gear (8) and the third gear (9) respectively, and the transmission shaft (7) is rotationally connected to the inside of the machine body (1).
6. The EVA film laminating device for photovoltaic modules according to claim 1, characterized in that: The first spring (15) is symmetrically arranged about the center of the moving block (14), and the lower end of the first spring (15) is fixedly connected to both sides of the moving block (14) respectively, and the moving block (14) is made of metal.
7. The EVA film laminating device for photovoltaic modules according to claim 3, characterized in that: Gaskets are provided at the contact positions of the sliding blocks (17) and the internal sliding grooves of the moving plates (16), and the gaskets are symmetrically arranged about the center of the sliding blocks (17), and the gaskets are made of rubber.
Citation Information
Patent Citations
Low-melt-index white EVA photovoltaic adhesive film traction device
CN116081368A