Photovoltaic EVA packaging adhesive film cutting machine
Through innovative design of the cutting and conveying components, the stretching problem in the cutting process of photovoltaic EVA encapsulation film was solved, achieving efficient and uniform cutting results.
Patent Information
- Application Number
- CN202520099425.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Traditional photovoltaic EVA encapsulation film cutting machines are prone to stretching during the cutting process, resulting in poor cutting quality.
The design incorporates a cutting assembly and a conveying assembly, including a cutting seat, a limiting plate, a rotating rod, and a return spring. The rotating rod drives the movement of the limiting plate and the limiting rod, achieving stable cutting of the film and short-distance drop of the conveyor belt to avoid stretching.
This technology enables efficient and uniform cutting of photovoltaic EVA encapsulation films, improving cutting quality.
Smart Images
Figure CN223657087U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of adhesive film cutting, in particular to photovoltaic EVA encapsulant film cutting machine. BACKGROUND
[0002] The photovoltaic EVA encapsulant film is a film-shaped product formed by hot processing after adding various modified additives and fully stirring with ethylene-vinyl acetate copolymer EVA as the main raw material.
[0003] The photovoltaic EVA encapsulant film has high light transmittance, can make light better penetrate, thereby improving the utilization efficiency of photovoltaic modules on light energy, and is beneficial to improving the power output of the battery module. It can also be applied to various interfaces, including glass, metal and plastic such as PET, and can firmly bond different components in the photovoltaic module, such as glass, battery pieces and backboard, together. In addition, it can also resist the erosion of various adverse factors such as high temperature, moisture and ultraviolet rays, ensure stable performance in long-term use, and prolong the service life of the photovoltaic module.
[0004] When in use, the two layers of EVA adhesive film are sandwiched between the panel glass, the battery piece and the TPT backboard film, and through the characteristics of hot melt adhesion and melt flow, these components are tightly bonded together to form a stable overall structure.
[0005] During the cutting process of the photovoltaic EVA encapsulant film, due to the low thickness of the photovoltaic EVA encapsulant film, deformation is prone to occur during the cutting process. In the traditional cutting equipment, the uncut part and the cut part are subjected to stretching during the conveying process, which can easily cause stretching, uneven cutting and low cutting quality. Therefore, the photovoltaic EVA encapsulant film cutting machine is proposed. CONTENT OF THE UTILITY MODEL
[0006] In view of the deficiencies of the prior art, the utility model provides a photovoltaic EVA encapsulant film cutting machine, which has the advantages of high efficiency and uniform cutting, and solves the problem of low cutting quality caused by stretching during the cutting process of the traditional photovoltaic EVA encapsulant film cutting machine.
[0007] To achieve the above-mentioned purposes of high efficiency and uniform cutting, the utility model provides the following technical scheme: a photovoltaic EVA encapsulant film cutting machine, comprising a base, a cutting assembly arranged on the top of the base, and a conveying assembly arranged on the inner side of the base, wherein the inner side of the base is provided with a cutting assembly;
[0008] The cutting assembly comprises a fixed cylinder arranged in the inner side wall of the base, a plurality of connecting rods slidingly connected in the inner side of the fixed cylinder, a plurality of cutting seats movably connected on the inner side of the base, a limiting frame fixedly installed on the inner side wall of the base, a limiting plate movably connected on the side surface of the limiting frame, and a rotating rod arranged on the side wall of the base.
[0009] Further, the cutting assembly comprises a cutting seat fixed on the top of the base, and a plurality of cutting knives fixed on the bottom of the cutting seat.
[0010] Further, the conveying assembly comprises a plurality of driving rollers arranged on the inner side wall of the base, and a conveying belt in transmission connection with the outer side of the driving rollers.
[0011] Further, the side wall of the base is provided with a sliding slot, and the sliding slot is internally provided with a fixing frame, and the fixing cylinder transversely penetrates through the fixing frame and is fixedly installed with the fixing frame.
[0012] Further, the opposite side of the connecting rod is embedded in the inner side of the fixing cylinder, and the side surface of the connecting rod is fixedly installed with a return spring, and the bottom of the cutting seat is provided with a limiting rod.
[0013] Further, the opposite end of the connecting rod is embedded in the side surface of the two limiting rods respectively, and the connecting rod is fixedly installed with the cutting seat through the plug-in connection, and the two ends of the limiting rod are embedded in the inner side of the two sliding slots respectively, and the limiting rod is in sliding connection with the inner side wall of the sliding slot.
[0014] Further, the limiting frame is in the shape of an I, the limiting plate is in the shape of a cone, and a plurality of penetrating holes are formed in the top of the limiting plate, and the limiting frame vertically penetrates through the limiting plate and is in sliding connection with the limiting plate.
[0015] Further, the bottom of the limiting plate is provided with an arc-shaped slot, the outer side of the rotating rod is provided with a supporting block matched with the arc-shaped slot, and the two ends of the rotating rod penetrate through the side wall of the base and are in rotation connection with the base.
[0016] Compared with the prior art, the photovoltaic EVA packaging adhesive film cutting machine has the following beneficial effects:
[0017] 1. The photovoltaic EVA packaging adhesive film cutting machine is characterized in that the strip-shaped adhesive film is placed on the top of the conveying belt, the driving rollers drive the conveying belt to move, the adhesive film is sent to the bottom of the cutting seat, the rotating rod is driven by the external motor to rotate, the protruding block is rotated, the protruding block is embedded in the arc-shaped slot at the bottom of the limiting plate at the same time, the limiting plate is pushed to be lifted, the limiting plate is lifted to extrude the limiting rod to move to both sides, the movement of the limiting rod drives the cutting seat to extrude the conveying belt to send the adhesive film to the bottom of the cutting knife for cutting.
[0018] 2、The photovoltaic EVA encapsulation adhesive film cutting machine is driven to rotate by the external motor, the convex block moves out of the bottom arc-shaped notch of the limiting plate after the rotating rod rotates one round, the bottom of the limiting plate loses support and falls a distance, and the contraction of the reset spring drives the limiting rods to move towards each other, thereby driving the cutting seat to move towards each other, so that the bottom of the conveying belt loses the support of the cutting seat, the adhesive film and the conveying belt fall a short distance at the same time, and the continuous rotation of the conveying belt sends out the cut adhesive film, thereby solving the problem that the traditional photovoltaic EVA encapsulation adhesive film cutting machine is prone to stretching during the cutting process, thereby causing low cutting quality. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 It is a perspective view of the utility model;
[0020] Fig. 2 It is a perspective view of the base of the utility model;
[0021] Fig. 3 It is a vertical sectional view of the utility model;
[0022] Fig. 4 It is a horizontal sectional view of the utility model;
[0023] Fig. 5 It is the utility model Fig. 4 A structure enlarged view.
[0024] In the drawing: 1, base; 2, cutting assembly; 21, cutting seat; 22, cutting knife; 3, conveying assembly; 31, driving roller; 32, conveying belt; 4, cutting assembly; 41, fixed cylinder; 42, connecting rod; 43, cutting seat; 44, limiting frame; 45, limiting plate; 46, rotating rod; 47, sliding notch; 48, reset spring; 49, limiting rod. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0026] Please refer to Figs. 1 to 5 In the embodiment, the photovoltaic EVA encapsulation adhesive film cutting machine comprises a base 1, a cutting assembly 2 arranged on the top of the base 1, and a conveying assembly 3 arranged on the inner side of the base 1, and the inner side of the base 1 is provided with a cutting assembly 4.
[0027] The cutting assembly 4 comprises a fixed cylinder 41 arranged inside the sidewall of the base 1, a plurality of connecting rods 42 slidably connected inside the fixed cylinder 41, a plurality of cutting seats 43 movably connected inside the base 1, a limiting frame 44 fixedly arranged on the inner sidewall of the base 1, a limiting plate 45 movably connected on the side of the limiting frame 44, and a rotating rod 46 arranged on the sidewall of the base 1.
[0028] In the embodiment, the cutting assembly 2 comprises a cutting seat 21 fixedly inserted on the top of the base 1, and a plurality of cutting knives 22 fixedly arranged on the bottom of the cutting seat 21. The cutting seat 21 is fixedly inserted on the top of the base 1, so that the cutting seat 21 of different sizes can be replaced in later period to cooperate with the cutting knives 22 to cut the adhesive film of different sizes.
[0029] In the embodiment, the conveying assembly 3 comprises a plurality of driving rollers 31 arranged on the inner sidewall of the base 1, and a conveying belt 32 drivingly connected on the outside of the driving rollers 31. The driving rollers 31 drive the conveying belt 32 to rotate, so as to convey the adhesive film placed on the top of the conveying belt 32.
[0030] It should be noted that the driving device is arranged inside the driving roller 31 to drive the driving roller 31 to rotate.
[0031] In the embodiment, the sidewall of the base 1 is provided with a sliding slot 47, and a fixed frame is arranged inside the sliding slot 47. The fixed cylinder 41 transversely penetrates the fixed frame and is fixedly arranged with the fixed frame. The fixed frame is arranged inside the sliding slot 47 to fix the fixed cylinder 41. The opposite side of the connecting rod 42 is embedded inside the fixed cylinder 41 and is fixedly arranged with a reset spring 48 on the side surface. The reset spring 48 connects and fixes one end of the two connecting rods 42. The bottom of the cutting seat 43 is provided with a limiting rod 49. The opposite end of the connecting rod 42 is embedded into the side surface of the two limiting rods 49 and is fixedly arranged with the cutting seat 43 by insertion. The reset spring 48 pulls the limiting rod 49 and drives the two limiting rods 49. The two ends of the limiting rod 49 are respectively embedded into the inside of the two sliding slots 47 and are slidably connected with the inner sidewall of the sliding slot 47.
[0032] In the embodiment, the limiting frame 44 is of an I-shaped structure, the limiting plate 45 is of a conical structure and is provided with a plurality of penetrating holes on the top, the limiting frame 44 vertically penetrates the limiting plate 45 and is slidably connected with the limiting plate 45. The limiting frame 44 ensures that the limiting plate 45 always maintains a vertical state during movement. The elevation of the limiting plate 45 drives the cutting seat 43 to move to both sides. The reset spring 48 drives the cutting seat 43 to move to the center position.
[0033] In the embodiment, the bottom of the limiting plate 45 is provided with an arc-shaped notch, the outer side of the rotating rod 46 is provided with a supporting block matched with the arc-shaped notch, the two ends of the rotating rod 46 penetrate through the side wall of the base 1 and are rotationally connected with the base 1, the rotating rod 46 rotates under the driving of the external motor, the supporting block is driven to push the limiting plate 45 to lift, and the limiting plate 45 is pressed to move the limiting rods 49 to the two sides, the movement of the limiting rods 49 drives the cutting seat 43 to press the conveying belt 32 to send the rubber film to the bottom of the cutting knife 22 for cutting.
[0034] The working principle of the above embodiment is as follows:
[0035] By placing the strip-shaped rubber film on the top of the conveying belt 32, the driving roller 31 drives the conveying belt 32 to move, the rubber film is sent to the bottom of the cutting seat 21, the rotating rod 46 rotates under the driving of the external motor, the protruding block rotates and is embedded in the arc-shaped notch at the bottom of the limiting plate 45, the limiting plate 45 is pushed to lift, the lifting of the limiting plate 45 presses the limiting rods 49 to move to the two sides, the movement of the limiting rods 49 drives the cutting seat 43 to press the conveying belt 32 to send the rubber film to the bottom of the cutting knife 22 for cutting.
[0036] In addition, the rotating rod 46 is driven to rotate by the external motor, the protruding block moves out of the arc-shaped notch at the bottom of the limiting plate 45 after one rotation of the rotating rod 46, the bottom of the limiting plate 45 falls a distance without support, and the contraction of the reset spring 48 drives the limiting rods 49 to move towards each other, thereby driving the cutting seat 43 to move towards each other, so that the bottom of the conveying belt 32 loses the support of the cutting seat 43, the rubber film and the conveying belt 32 fall a short distance at the same time, and the continuous rotation of the conveying belt 32 sends the cut rubber film out, thereby solving the problem that the traditional photovoltaic EVA packaging rubber film cutting machine is prone to stretching during the cutting process, resulting in low cutting quality.
[0037] The electrical components in the text are electrically connected with the main control unit and the power supply. The main control unit can be a conventional known device such as a computer, and the existing disclosed power connection technology is not described in detail.
[0038] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.
[0039] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present application.
Claims
1. A photovoltaic EVA encapsulation film cutting machine, comprising a base (1), a cutting assembly (2) disposed on the top of the base (1), and a conveying assembly (3) disposed inside the base (1), characterized in that: A cutting component (4) is provided on the inner side of the base (1). The cutting assembly (4) includes a fixed cylinder (41) disposed inside the side wall of the base (1), several connecting rods (42) slidably connected inside the fixed cylinder (41), several cutting seats (43) movably connected to the inside of the base (1), a limiting frame (44) fixedly installed on the inside side wall of the base (1), a limiting plate (45) movably connected to the side of the limiting frame (44), and a rotating rod (46) disposed on the side wall of the base (1).
2. The photovoltaic EVA encapsulation film cutting machine according to claim 1, characterized in that: The cutting assembly (2) includes a cutting seat (21) that is plugged into and fixed to the top of the base (1) and several cutting blades (22) that are fixedly installed at the bottom of the cutting seat (21).
3. The photovoltaic EVA encapsulation film cutting machine according to claim 1, characterized in that: The conveying assembly (3) includes several drive rollers (31) arranged on the inner side wall of the base (1) and a conveyor belt (32) connected to the outer side of the drive rollers (31).
4. The photovoltaic EVA encapsulation film cutting machine according to claim 1, characterized in that: The base (1) has a sliding groove (47) on its side wall. A fixing frame is provided inside the sliding groove (47). The fixing cylinder (41) passes through the fixing frame laterally and is fixedly installed with the fixing frame.
5. The photovoltaic EVA encapsulation film cutting machine according to claim 1, characterized in that: The connecting rod (42) is embedded in the fixed cylinder (41) on one side and a return spring (48) is fixedly installed on the side. A limit rod (49) is provided at the bottom of the cutting seat (43).
6. The photovoltaic EVA encapsulation film cutting machine according to claim 5, characterized in that: One end of the connecting rod (42) opposite to the other end is embedded in the side of the two limiting rods (49) and fixedly installed with the cutting seat (43) by plugging. The two ends of the limiting rod (49) are embedded in the inside of the sliding grooves (47) on both sides and are slidably connected to the inner sidewall of the sliding grooves (47).
7. The photovoltaic EVA encapsulation film cutting machine according to claim 1, characterized in that: The limiting frame (44) is an I-shaped structure, the limiting plate (45) is a conical structure and has several through holes at the top, the limiting frame (44) vertically penetrates the limiting plate (45) and is slidably connected to the limiting plate (45).
8. The photovoltaic EVA encapsulation film cutting machine according to claim 1, characterized in that: The bottom of the limiting plate (45) is provided with an arc-shaped groove, and the outer side of the rotating rod (46) is provided with a support block that works in conjunction with the arc-shaped groove. Both ends of the rotating rod (46) pass through the side wall of the base (1) and are rotatably connected to the base (1).