Winding tension adjusting device for solar cell packaging adhesive film

Abstract

The utility model discloses a tension adjusting device for solar cell packaging adhesive film winding, which belongs to the field of solar cell packaging adhesive film production and comprises two mounting seats, and an arranged tension adjusting mechanism is matched with solar cell packaging adhesive film winding equipment for use. After the threaded rod is in threaded connection with the first threaded sleeve or the second threaded sleeve, the balancing weight can be fixed to the front end or the bottom of the front end of the adjusting arm plate, after the balancing weight is fixed to the adjusting arm plate, the adjusting arm plate rotates and inclines under the balance weight gravity of the balancing weight, the adjusting arm plate rotates along the shaft rod through the rotating hole, and therefore the adjusting arm plate can rotate along the shaft rod. The vertical position of the tension adjusting roller movably connected between the bottoms of the rear ends of the symmetrical adjusting arm plates is changed, and after the vertical position of the tension adjusting roller is adjusted, a gasket nut on a shaft rod is rotated to abut against the adjusting arm plates, so that the adjusting arm plates are prevented from loosening; therefore, the purpose of adjusting the winding tension of the solar packaging adhesive film can be achieved.

Description

Technical Field

[0001] The utility model relates to the field of solar cell encapsulation film production, and particularly relates to a device for adjusting the winding tension of a solar cell encapsulation film. Background Technique

[0002] The solar cell encapsulation film is an important part of a photovoltaic module, which plays a role in supporting and protecting the solar cell chips. A good solar cell encapsulation film can greatly improve the performance of the overall module. During the production process of the solar encapsulation film, after the produced film is extruded from the die head, it undergoes embossing by an embossing roller and cooling by a cooling roller, and then is wound through multiple steel rollers, and finally packaged and stored.

[0003] In the prior art, winding is an essential step in the production process of the solar encapsulation film. Generally, multiple steel rollers are rotated and adjusted to achieve the final winding effect. However, in actual production, affected by the cooling roller and room temperature, the shrinkage rates of the produced films are different. During the winding process, tensions of different sizes will continuously occur. With a single steel roller winding, the tension cannot be adjusted in a timely manner, which will cause wrinkles due to the accumulation of tension in the final winding stage and is difficult to eliminate. These wrinkles increase the risk of glue overflow in the subsequent production of the overall module, and may also cause the displacement of the cell chips, resulting in the overlapping of the cell chips until they are broken. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a device for adjusting the winding tension of a solar cell encapsulation film, which can effectively solve the problems in the background technique.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A device for adjusting the winding tension of a solar cell encapsulation film includes two mounting seats. A tension adjustment mechanism is arranged between the mounting seats, and the tension adjustment mechanism includes a shaft rod, a gasket nut, an adjustment arm plate, a tension adjustment roller, a first threaded sleeve, a second threaded sleeve, and a counterweight. The shaft rod is fixedly connected between the two mounting seats, and gasket nuts are respectively fixedly connected to the outer ends of both sides of the shaft rod. The two adjustment arm plates are respectively movably connected to the outer ends of both sides of the shaft rod through rotation holes on the side walls, and the tension adjustment roller is movably connected between the two adjustment arm plates through rotating rods at both ends. The front end and the bottom of the adjustment arm plate are respectively fixedly connected with a first threaded sleeve and a second threaded sleeve, and the counterweight is fixedly connected to the first threaded sleeve through a threaded rod on the rear end wall.

[0007] Preferably, a side opening is provided on the side wall of the mounting seat, and a set of vertically symmetrical mounting holes are provided on the inner rear end wall of the side opening, and bolts are inserted into the holes of the mounting holes.

[0008] Preferably, the shaft rod is fixedly installed between symmetric mounting seats on the left and right, and external threads are respectively provided at the left and right end portions of the outer wall of the shaft rod, and the gasket nut is threadedly connected to the external thread.

[0009] Preferably, a rotation hole is provided at the middle portion of the side wall of the adjusting arm plate, and the adjusting arm plate is movably installed on the shaft rod through the rotation hole and is located at the outer side end of the gasket nut. A fixing hole is further provided on the rear side wall of the adjusting arm plate, and a bearing is fixedly installed in the hole of the fixing hole. Rotating rods are respectively fixedly installed at the left and right ends of the tension adjusting roller, and the rotating rods are fixedly installed through the bearings in an inserted manner.

[0010] Preferably, a first threaded sleeve is fixedly installed at the front end of the adjusting arm plate, and a second threaded sleeve is fixedly installed at the bottom of the front end of the adjusting arm plate.

[0011] Preferably, a threaded rod is fixedly installed on the top surface of the counterweight block, and the counterweight block is threadedly connected to the first threaded sleeve or the second threaded sleeve through the threaded rod.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, the provided tension adjusting mechanism is used in cooperation with the solar encapsulation film winding equipment. After the threaded rod is threadedly connected to the first threaded sleeve or the second threaded sleeve, the counterweight block can be fixed at the front end or the bottom of the front end of the adjusting arm plate. After the counterweight block is fixed to the adjusting arm plate, under the counterweight gravity of the counterweight block, the adjusting arm plate will rotate and tilt. The adjusting arm plate will rotate along the shaft rod through the rotation hole, and thereby change the up and down position of the tension adjusting roller movably connected between the bottom parts of the rear ends of the symmetric adjusting arm plates. After adjusting the up and down position of the tension adjusting roller, rotate the gasket nut on the shaft rod to press against the adjusting arm plate to prevent the adjusting arm plate from loosening. Thus, when the solar encapsulation film passes under the tension adjusting roller for winding, the winding tension of the solar encapsulation film can be adjusted, avoiding the problem that the solar encapsulation film wrinkles due to tension accumulation in the final winding stage, and further playing a guarantee role for subsequent processing procedures. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the overall structural schematic diagram of the utility model;

[0015] Figure 2 is the overall structural schematic diagram of the mounting seat and the shaft rod of the utility model;

[0016] Figure 3 is the structural split schematic diagram of the tension adjusting mechanism of the utility model;

[0017] Figure 4 This is the overall structural schematic diagram of the counterweight of the present utility model.

[0018] In the figure: 1, mounting seat; 2, tension adjusting mechanism; 3, side opening; 4, mounting hole; 5, bolt; 6, shaft rod; 7, external thread; 8, gasket nut; 9, adjusting arm plate; 10, rotating hole; 11, fixing hole; 12, bearing; 13, tension adjusting roller; 14, rotating rod; 15, first threaded sleeve; 16, second threaded sleeve; 17, counterweight; 18, threaded rod. Specific embodiments

[0019] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further elaborated below in conjunction with specific embodiments.

[0020] As Figure 1 - Figure 4 As shown, a tension adjusting device for winding a solar cell encapsulation film includes two mounting seats 1. A tension adjusting mechanism 2 is provided between the mounting seats 1. The tension adjusting mechanism 2 includes a shaft rod 6, a gasket nut 8, an adjusting arm plate 9, a tension adjusting roller 13, a first threaded sleeve 15, a second threaded sleeve 16 and a counterweight 17. The shaft rod 6 is fixedly connected between the two mounting seats 1, and gasket nuts 8 are respectively fixedly connected to the outer ends of the shaft rod 6. The two adjusting arm plates 9 are respectively movably connected to the outer ends of the shaft rod 6 through the rotating holes 10 on the side walls, and the tension adjusting roller 13 is movably connected between the two adjusting arm plates 9 through the rotating rods 14 at both ends. The front end and the bottom of the adjusting arm plate 9 are respectively fixedly connected with a first threaded sleeve 15 and a second threaded sleeve 16, and the counterweight 17 is fixedly connected to the first threaded sleeve 15 through the threaded rod 18 on the rear end wall.

[0021] As Figure 2 As shown, side openings 3 are formed on the side walls of the mounting seats 1, and a group of upper and lower symmetric mounting holes 4 are formed on the inner rear end walls of the side openings 3. Bolts 5 are inserted into the mounting holes 4. After inserting the bolts 5 into the mounting holes 4 formed in the side openings 3 and threading the bolts 5 with the pre-opened threaded holes on the winding equipment bracket, the mounting seats 1 can be fixed on the winding equipment bracket, and the entire tension adjusting mechanism 2 can be installed on the winding equipment for its use;

[0022] As Figure 2 As shown, the shaft rod 6 is fixedly installed between the left and right symmetric mounting seats 1, and external threads 7 are respectively formed on the left and right end portions of the outer wall of the shaft rod 6. The gasket nuts 8 are threadedly connected with the external threads 7. By rotating the gasket nuts 8 to move the gasket nuts 8 along the external threads 7, the adjusting arm plates 9 can be pressed tightly against the mounting seats 1 to prevent the adjusting arm plates 9 from loosening during use;

[0023] As shown Figure 3 in the figure, a rotation hole 10 is provided in the middle of the side wall of the adjustment arm plate 9, and the adjustment arm plate 9 is movably installed on the shaft rod 6 through the rotation hole 10 and is located at the outer end of the gasket nut 8. A fixing hole 11 is also provided on the rear side wall of the adjustment arm plate 9, and a bearing 12 is fixedly installed in the fixing hole 11. Rotating rods 14 are fixedly installed at the left and right ends of the tension adjusting roller 13 respectively, and the rotating rods 14 are fixedly installed through the bearings 12. When the front end of the adjustment arm plate 9 is affected by the gravity of the counterweight 17, the adjustment arm plate 9 will rotate and tilt along the shaft rod 6 through the rotation hole 10. The adjustment arm plate 9 will drive the tension adjusting roller 13 installed between the rear end and the bottom to tilt up, so as to achieve the purpose of changing the vertical position of the tension adjusting roller 13. When the tension adjusting roller 13 moves upward, the tension generated on the solar encapsulation film is smaller. When the tension adjusting roller 13 moves downward, the tension generated on the solar encapsulation film is larger. When the solar encapsulation film passes under the tension adjusting roller 13 and is wound up after the tension of the solar encapsulation film is adjusted, the solar encapsulation film will drive the tension adjusting roller 13 to rotate, and the rotating rods 14 at both ends of the tension adjusting roller 13 will rotate in the bearings 12 installed in the fixing holes 11 provided on the adjustment arm plate 9 respectively;

[0024] As shown Figure 3 in the figure, a first threaded sleeve 15 is fixedly installed at the front end of the adjustment arm plate 9, and a second threaded sleeve 16 is fixedly installed at the bottom of the front end of the adjustment arm plate 9. The first threaded sleeve 15 and the second threaded sleeve 16 are used to cooperate with the installation between the counterweight 17 and the adjustment arm plate 9;

[0025] As shown Figure 4 in the figure, a threaded rod 18 is fixedly installed on the top surface of the counterweight 17, and the counterweight 17 is threadedly connected to the first threaded sleeve 15 or the second threaded sleeve 16 through the threaded rod 18. By threadedly connecting the threaded rod 18 to the first threaded sleeve 15, the counterweight 17 can be fixed at the front end of the adjustment arm plate 9 to achieve the purpose of counterweight in the horizontal direction for the adjustment arm plate 9. By threadedly connecting the threaded rod 18 to the second threaded sleeve 16, the counterweight 17 can be fixed at the bottom of the front end of the adjustment arm plate 9 to achieve the purpose of counterweight in the vertical direction for the adjustment arm plate 9.

[0026] It should be noted that the present utility model is a device for adjusting the winding tension of a solar cell encapsulation film. After inserting the bolt 5 into the mounting hole 4 opened in the side port 3 and threadedly connecting the bolt 5 with the pre-opened threaded hole on the winding equipment bracket, the mounting seat 1 can be fixed on the winding equipment bracket, and the entire tension adjustment mechanism 2 can be installed on the winding equipment for use. When adjusting the tension of the solar encapsulation film, the solar encapsulation film has passed through the lower part of the tension adjustment roller 13. Threadedly connect the threaded rod 18 with the first threaded sleeve 15 at the front end of the adjustment arm plate 9 or the second threaded sleeve 16 at the bottom of the front end to fixedly install the counterweight 17 at the front end or the bottom of the front end of the adjustment arm plate 9. After the counterweight 17 is installed on the adjustment arm plate 9, under the influence of the weight of the counterweight 17, the adjustment arm plate 9 will rotate and tilt towards the bottom of the front end. The adjustment arm plate 9 rotates and tilts along the shaft rod 6 through the rotation hole 10 opened on the side wall, and during this process, it will drive the tension adjustment roller 13 between the bottom of the rear end to tilt upward until the tension adjustment roller 13 moves upward to a suitable position and adjusts the winding tension of the solar encapsulation film to a suitable strength. Then, rotate the spacer nut 8 on the shaft rod 6 so that the spacer nut 8 rotates along the external thread 7 opened on the shaft rod 6 and moves outward until the adjustment arm plate 9 is tightened and the spacer nut 8 cannot be rotated. In this way, the position of the tension adjustment roller 13 can be fixed to prevent the tension adjustment roller 13 from loosening during use, ensuring that the tension adjustment roller 13 applies corresponding tension to the solar encapsulation film during winding. Finally, during the winding process of the solar encapsulation film, the tension adjustment roller 13 will be driven to rotate, and the rotating rods 14 installed at both ends of the tension adjustment roller 13 will be in the bearings 12 installed in the fixing holes 11 opened on the adjustment arm plate 9 until the solar encapsulation film is completely wound. Thus, when the solar encapsulation film passes through the lower part of the tension adjustment roller 13 for winding, the purpose of adjusting the winding tension of the solar encapsulation film can be achieved, avoiding the problem that the solar encapsulation film wrinkles due to tension accumulation in the final winding stage, and further playing a guarantee role for subsequent processing procedures.

[0027] In summary, the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, various improvements can be made to it and components therein can be replaced with equivalents, or some technical features can be equivalently replaced without departing from the scope of the present utility model. All should be included within the protection scope of the present utility model as long as they are within the spirit and principle of the present utility model.

Claims

1. A winding tension adjusting device for a solar cell encapsulation film, comprising two mounting seats (1), characterized in that: A tension adjustment mechanism (2) is provided between the mounting seats (1), and the tension adjustment mechanism (2) includes a shaft rod (6), a gasket nut (8), an adjustment arm plate (9), a tension adjustment roller (13), a first threaded sleeve (15), a second threaded sleeve (16) and a counterweight (17). The shaft rod (6) is fixedly connected between the two mounting seats (1), and gasket nuts (8) are respectively fixedly connected to the outer ends of both sides of the shaft rod (6). The two adjustment arm plates (9) are respectively movably connected to the outer ends of both sides of the shaft rod (6) through rotation holes (10) on the side walls, and the tension adjustment roller (13) is movably connected between the two adjustment arm plates (9) through rotation rods (14) at both ends. A first threaded sleeve (15) and a second threaded sleeve (16) are respectively fixedly connected to the front end and the bottom of the adjustment arm plate (9), and the counterweight (17) is fixedly connected to the first threaded sleeve (15) through a threaded rod (18) on the rear end wall.

2. The tension adjusting device for winding a solar cell encapsulation film according to claim 1, wherein: A side port (3) is provided on the side wall of the mounting seat (1), and a set of upper and lower symmetric mounting holes (4) are provided on the inner rear end wall of the side port (3). Bolts (5) are inserted and installed in the holes of the mounting holes (4).

3. The tension adjustment device for winding a solar cell encapsulation film according to claim 2, wherein: The shaft rod (6) is fixedly installed between the left and right symmetric mounting seats (1), and external threads (7) are respectively provided at the left and right end portions of the outer wall of the shaft rod (6). The gasket nuts (8) are threadedly connected to the external threads (7).

4. A winding tension adjusting device for a solar cell encapsulation adhesive film according to claim 3, characterized in that: A rotation hole (10) is provided in the middle portion of the side wall of the adjustment arm plate (9), and the adjustment arm plate (9) is movably installed on the shaft rod (6) through the rotation hole (10) and is located at the outer side end of the gasket nut (8). A fixing hole (11) is further provided on the rear side wall of the adjustment arm plate (9), and a bearing (12) is fixedly installed in the hole of the fixing hole (11). Rotation rods (14) are respectively fixedly installed at the left and right ends of the tension adjustment roller (13), and the rotation rods (14) are inserted and fixedly installed together with the bearing (12).

5. A winding tension adjusting device for a solar cell encapsulation film according to claim 4, characterized in that: The first threaded sleeve (15) is fixedly installed at the front end of the adjustment arm plate (9), and the second threaded sleeve (16) is fixedly installed at the bottom of the front end of the adjustment arm plate (9).

6. The tension adjusting device for winding a solar cell encapsulation film according to claim 5, wherein: A threaded rod (18) is fixedly installed on the top surface of the counterweight (17), and the counterweight (17) is threadedly connected to the first threaded sleeve (15) or the second threaded sleeve (16) through the threaded rod (18).

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