Photovoltaic panel EVA film covering mechanism
By introducing structures such as bumps, limit frames and guide rollers into the EVA laminating mechanism of photovoltaic panels, the problems of inconvenient roller disassembly and film tensioning are solved, convenient disassembly and effective tensioning are achieved, and the efficiency of the laminating process is improved.
Patent Information
- Application Number
- CN202422672558.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-04
AI Technical Summary
The EVA film coating mechanism for photovoltaic panels is not easy to remove the rollers and is not easy to tension the EVA film during use, resulting in film stacking problems.
Components such as bumps, limit frames, and springs are designed to facilitate the disassembly of the rollers, and the tensioning of the EVA film is adjusted through guide rollers, limit plates, clamping blocks, threaded rods, and other components.
The convenient disassembly of the roller and the effective tensioning of the EVA film are achieved, which avoids the film stacking phenomenon and improves the efficiency of the laminating process.
Smart Images

Figure CN223370091U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of film coating, in particular to an EVA film coating mechanism for a photovoltaic panel. Background Art
[0002] The EVA (ethylene vinyl acetate) lamination process for photovoltaic panels is a crucial part of the photovoltaic module production process. It covers the surface of the photovoltaic panel with EVA film, and then bonds the solar cells, EVA film, and glass substrate together through heat and pressure to form a complete photovoltaic module. This process is also known as the "sandwich" structure of the photovoltaic module.
[0003] According to the utility model disclosed in patent authorization announcement number CN208352321U, a photovoltaic glass plate coating device includes: a column, a film unwinding frame, a guide roller assembly, a C-shaped support channel steel, a conveyor belt, a caliper and a cutting knife, the opening of the C-shaped support channel steel points upward and a first rodless cylinder is axially arranged inside, the cutting knife is arranged on the moving part of the first rodless cylinder, the top of the column is provided with a cantilever extending from above the conveyor belt to above the C-shaped support channel steel, the bottom of the cantilever is axially provided with a slide groove, a downward extending slider is provided in the slide groove, a pull rod is provided at the bottom of the slider, and the caliper is provided on the pull rod with the end pointing to the guide groove.
[0004] However, it is inconvenient to disassemble the rollers of the photovoltaic panel EVA laminating mechanism during use, and it is inconvenient to tension the EVA film during use, which easily causes the EVA film to stack during lamination. Utility Model Content
[0005] The purpose of the utility model is to provide an EVA coating mechanism for photovoltaic panels, which solves the problem that the rollers of the EVA coating mechanism for photovoltaic panels are inconvenient to disassemble when in use, and the EVA film is inconvenient to tension when in use, which easily causes the EVA film to stack during coating.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photovoltaic panel EVA coating mechanism, comprising a base, the outer side of the base contacts with a mounting frame, the interior of the mounting frame is connected to a rotating shaft through a bearing, the end of the rotating shaft away from the mounting frame is fixedly connected to the mounting seat, the mounting seat contacts the mounting frame, the side of the mounting seats close to each other contacts with a roller, the side of the mounting seat close to the roller is fixedly connected with a protrusion, the protrusion is slidably connected to the roller, the side of the mounting frame close to the base is fixedly connected to a sliding rod, the outer side of the sliding rod is fixedly connected to a slider, the interior of the base is fixedly connected to a limiting frame, a spring is provided on the outer side of the limiting frame, the outer side of the mounting frame contacts with a turntable, the left side of the mounting frame is fixedly connected to a connecting shaft, the connecting shaft is connected to the turntable through a bearing, a guide roller is fixedly connected to the turntable, and a limiting mechanism is provided on the mounting frame.
[0007] Preferably, the slide rod is slidably connected to the base, and the slider is slidably connected to the base. The design of the slide rod and the slider can limit the mounting bracket.
[0008] Preferably, the limiting frame contacts the mounting frame, the limiting frame contacts the slide rod, and the limiting frame is slidably sleeved with the slider. The limiting frame can limit the slider through the design of the limiting frame.
[0009] Preferably, one end of the spring contacts the slider, and the other end of the spring contacts the limit frame. The design of the spring can drive the mounting frame to reset.
[0010] Preferably, the limit mechanism includes a limit plate, the outer side of the turntable contacts the limit plate, the limit plate is fixedly connected to a block on the side close to the turntable, the interior of the turntable is provided with a slot, the interior of the slot is slidably connected to the block, the interior of the limit plate is connected to a threaded rod through a bearing, the threaded rod is threadedly connected to the mounting bracket, and the knob is turned to drive the threaded rod to rotate, so that the threaded rod and the mounting bracket undergo threaded movement, thereby causing the threaded rod to drive the limit plate to move, and the limit plate to drive the block to move, so that the block slides out of the slot on the turntable, thereby releasing the limit on the turntable, and the turntable can drive the guide roller to rotate, so that the angle of the guide roller can be adjusted, so that the guide roller can better tension the EVA film.
[0011] Preferably, one end of the threaded rod away from the mounting bracket is fixedly connected with a knob, and the knob is in contact with the limiting plate. The design of the knob facilitates the rotation of the threaded rod.
[0012] Preferably, a guide rod is fixedly connected to one side of the limit plate close to the mounting frame, and the guide rod is slidably connected to the mounting frame. The design of the guide rod can guide the limit plate.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0014] 1. The utility model is provided with components such as a convex block, a limit frame, and a spring. By moving the mounting frame, the mounting frame drives the slider to squeeze the spring and drives the convex block to slide out of the roller, thereby releasing the limit on the roller and allowing the roller to be disassembled, thereby solving the problem that it is inconvenient to disassemble the roller of the photovoltaic panel EVA coating mechanism during use.
[0015] 2. The utility model is provided with a guide roller, which can tension the EVA film, and by providing a limit plate, a clamping block, a threaded rod and other components, the angle of the guide roller can be conveniently adjusted, so that the guide roller can better tension the EVA film, solving the problem that the EVA laminating mechanism of the photovoltaic panel is inconvenient to tension the EVA film when in use, which easily causes the EVA film to stack during lamination. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0017] Figure 2 For the utility model Figure 1 A three-dimensional diagram of the local structure;
[0018] Figure 3 For the utility model Figure 1 Front cross-sectional view of
[0019] Figure 4 For the utility model Figure 3 A magnified view of the structure of part A.
[0020] In the figure: 1. Base; 2. Mounting frame; 3. Rotating shaft; 31. Mounting seat; 32. Roller; 33. Bump; 4. Sliding rod; 41. Sliding block; 42. Limiting frame; 43. Spring; 5. Turntable; 51. Connecting shaft; 52. Guide roller; 6. Limiting mechanism; 61. Limiting plate; 62. Block; 63. Slot; 64. Guide rod; 65. Threaded rod; 66. Knob. DETAILED DESCRIPTION
[0021] 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. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] See also Figure 1-4A photovoltaic panel EVA coating mechanism includes a base 1, the outer side of the base 1 contacts with a mounting frame 2, the interior of the mounting frame 2 is connected to a rotating shaft 3 through a bearing, the end of the rotating shaft 3 away from the mounting frame 2 is fixedly connected to a mounting seat 31, the mounting seat 31 contacts the mounting frame 2, and the side of the mounting seats 31 close to each other contacts a roller 32, the side of the mounting seat 31 close to the roller 32 is fixedly connected with a protrusion 33, the protrusion 33 is slidably connected to the roller 32, the side of the mounting frame 2 close to the base 1 is fixedly connected to a sliding rod 4, the outer side of the sliding rod 4 is fixedly connected to a slider 41, the sliding rod 4 is slidably connected to the base 1, and the slider 41 is slidably connected to the base 1. The design of the sliding rod 4 and the slider 41 can limit the mounting frame 2.
[0023] See also Figure 2-4 The interior of the base 1 is fixedly connected to a limit frame 42, the limit frame 42 contacts the mounting frame 2, the limit frame 42 contacts the slide bar 4, the limit frame 42 is slidably sleeved with the slider 41, and the design of the limit frame 42 can limit the slider 41. A spring 43 is provided on the outside of the limit frame 42, one end of the spring 43 contacts the slider 41, and the other end of the spring 43 contacts the limit frame 42. Through the design of the spring 43, the mounting frame 2 can be driven to reset, and the outside of the mounting frame 2 is in contact with a turntable 5. The left side of the mounting frame 2 is fixedly connected to a connecting shaft 51, and the connecting shaft 51 is connected to the turntable 5 through a bearing. A guide roller 52 is fixedly connected to the turntable 5, and a limiting mechanism 6 is provided on the mounting frame 2.
[0024] See also Figure 2-4 The limiting mechanism 6 includes a limiting plate 61. The outer side of the turntable 5 contacts the limiting plate 61. The side of the limiting plate 61 close to the turntable 5 is fixedly connected with a block 62. A slot 63 is provided inside the turntable 5. The inside of the slot 63 is slidably connected with the block 62. The side of the limiting plate 61 close to the mounting frame 2 is fixedly connected with a guide rod 64. The guide rod 64 is slidably connected to the mounting frame 2. The design of the guide rod 64 can guide the limiting plate 61. The inside of the limiting plate 61 is connected to a threaded rod 65 through a bearing. The threaded rod 65 is threadedly connected to the mounting frame 2. The end of the threaded rod 65 away from the mounting frame 2 is fixedly connected A knob 66 is connected, and the knob 66 contacts the limit plate 61. Through the design of the knob 66, the threaded rod 65 can be easily rotated. By rotating the knob 66, the knob 66 drives the threaded rod 65 to rotate, so that the threaded rod 65 and the mounting bracket 2 undergo threaded motion, thereby causing the threaded rod 65 to drive the limit plate 61 to move, and the limit plate 61 drives the block 62 to move, so that the block 62 slides out of the slot 63 on the turntable 5, and the limit on the turntable 5 can be released, and the turntable 5 can drive the guide roller 52 to rotate, and the angle of the guide roller 52 can be adjusted, so that the guide roller 52 can better tension the EVA film.
[0025] The specific implementation process of the utility model is as follows: when in use, by moving the mounting frame 2 in a direction away from the base 1, the mounting frame 2 drives the slide bar 4 to move, the slide bar 4 drives the slider 41 to move, the slider 41 moves on the limiting frame 42, the slider 41 presses the spring 43, and the mounting frame 2 drives the mounting seat 31 to move, the mounting seat 31 drives the protrusion 33 to slide out of the roller 32, and the limit of the roller 32 can be released, and the roller 32 can be disassembled;
[0026] By turning the knob 66, the knob 66 drives the threaded rod 65 to rotate, causing the threaded rod 65 and the mounting bracket 2 to undergo threaded motion, thereby causing the threaded rod 65 to drive the limit plate 61 to move, and the limit plate 61 drives the block 62 to move, causing the block 62 to slide out of the slot 63 on the turntable 5, thereby releasing the limit on the turntable 5, and causing the turntable 5 to drive the guide roller 52 to rotate, so that the angle of the guide roller 52 can be adjusted, so that the guide roller 52 can better tension the EVA film.
[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A photovoltaic panel EVA coating mechanism, comprising a base (1), characterized in that: The outer side of the base (1) contacts the mounting frame (2), the interior of the mounting frame (2) is connected to a rotating shaft (3) via a bearing, the end of the rotating shaft (3) away from the mounting frame (2) is fixedly connected to a mounting seat (31), the mounting seat (31) contacts the mounting frame (2), the side of the mounting seats (31) close to each other contacts a roller (32), the side of the mounting seat (31) close to the roller (32) is fixedly connected to a protrusion (33), the protrusion (33) is slidably connected to the roller (32), and the mounting frame (2) close to the base (1) A slide rod (4) is fixedly connected to one side of the base (1), a slider (41) is fixedly connected to the outside of the slide rod (4), a limit frame (42) is fixedly connected to the inside of the base (1), a spring (43) is provided on the outside of the limit frame (42), the outside of the mounting frame (2) contacts the turntable (5), a connecting shaft (51) is fixedly connected to the left side of the mounting frame (2), the connecting shaft (51) is connected to the turntable (5) through a bearing, a guide roller (52) is fixedly connected to the turntable (5), and a limiting mechanism (6) is provided on the mounting frame (2).
2. The photovoltaic panel EVA coating mechanism according to claim 1, characterized in that: The sliding rod (4) is slidably connected to the base (1), and the sliding block (41) is slidably connected to the base (1).
3. The photovoltaic panel EVA coating mechanism according to claim 1, characterized in that: The limiting frame (42) contacts the mounting frame (2), the limiting frame (42) contacts the slide bar (4), and the limiting frame (42) is slidably sleeved with the slide block (41).
4. The photovoltaic panel EVA coating mechanism according to claim 1, characterized in that: One end of the spring (43) contacts the slider (41), and the other end of the spring (43) contacts the limiting frame (42).
5. The photovoltaic panel EVA coating mechanism according to claim 1, characterized in that: The limiting mechanism (6) comprises a limiting plate (61), the outer side of the turntable (5) contacts the limiting plate (61), a clamping block (62) is fixedly connected to the side of the limiting plate (61) close to the turntable (5), a clamping slot (63) is provided inside the turntable (5), the clamping block (62) is slidably connected inside the clamping slot (63), a threaded rod (65) is connected inside the limiting plate (61) via a bearing, and the threaded rod (65) is connected to the mounting frame (2) via a threaded connection.
6. The photovoltaic panel EVA coating mechanism according to claim 5, characterized in that: One end of the threaded rod (65) away from the mounting frame (2) is fixedly connected to a knob (66), and the knob (66) is in contact with the limiting plate (61).
7. The photovoltaic panel EVA coating mechanism according to claim 5, characterized in that: A guide rod (64) is fixedly connected to one side of the limiting plate (61) close to the mounting frame (2), and the guide rod (64) is slidably connected to the mounting frame (2).
Citation Information
Patent Citations
Glass board tectorial membrane device for photovoltaic
CN208352321U