Calendering mechanism of photovoltaic welding strip

Abstract

The utility model relates to the technical field of photovoltaic solder strip production, and particularly discloses a calendering mechanism of a photovoltaic solder strip, which comprises a support plate; the device comprises a supporting plate, and further comprises three groups of first calendering rollers, the three groups of first calendering rollers are arranged on the front side of the supporting plate, and the three groups of first calendering rollers are distributed at equal intervals relative to the outer wall of the supporting plate and used for calendering the photovoltaic welding strip; the adjusting assembly is arranged in the first calendaring roller and used for adjusting the calendaring range of the first calendaring roller; a worker can slide the adjusting wheel according to the size of the pressing wheel, the exposed adjusting wheel is matched with the pressing wheel in size, the copper strip calendering device can be suitable for calendering of different specifications of cross sections through different diameters and lengths of the pressing wheel, a copper strip can be pressed into a predicted shape, and meanwhile the position of the adjusting wheel can be limited front and back through the reset spring and the pressing plate; the photovoltaic solder strip calendaring device is convenient for stable calendaring of photovoltaic solder strips, can quickly and efficiently adjust the solder strip calendaring range, is suitable for photovoltaic solder strips of various sizes and specifications, and meets various market requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic welding strip production, in particular to a calendering mechanism for photovoltaic welding strips. Background Art

[0002] Photovoltaic welding ribbon, also known as tinned copper ribbon or tin-coated copper ribbon, is an important raw material in the manufacture of photovoltaic modules. It is mainly divided into two types: busbar and interconnection strip. It is mainly used for the connection between photovoltaic module cells, playing a key role in conductivity and concentration. The size of photovoltaic welding ribbon varies with different specifications and uses. In practical applications, it is necessary to select the appropriate size of photovoltaic welding ribbon according to the specific manufacturing requirements and specifications of solar panels. Through the precise control and adjustment of the calendering machine, high-quality and stable photovoltaic welding ribbon can be produced to meet the needs of photovoltaic module manufacturing. However, most of the existing calendering structures are inconvenient to adjust the calendering range, and cannot be calendered according to the specifications of different cross-sections of the welding ribbon, which brings inconvenience to the calendering work. For this reason, we propose a calendering mechanism for photovoltaic welding ribbon. Utility Model Content

[0003] The purpose of the utility model is to provide a calendering mechanism for photovoltaic welding strips, so as to solve the problem that most of the existing calendering structures proposed in the above background technology are inconvenient to adjust the calendering range and cannot be calendered according to the specifications of different cross-sections of the welding strips, which brings inconvenience to the calendering work.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a calendering mechanism for a photovoltaic welding ribbon, comprising: a support plate;

[0005] Also includes:

[0006] First calendering rollers, wherein three groups of the first calendering rollers are provided, the three groups of the first calendering rollers are provided on the front side of the support plate, the three groups of the first calendering rollers are equidistantly distributed about the outer wall of the support plate, and are used for calendering the photovoltaic welding ribbon;

[0007] The adjusting component is arranged inside the first calendering roller and is used for adjusting the calendering range of the first calendering roller.

[0008] Among them, a second calendering roller is arranged on the upper side of the first calendering roller, and the first calendering roller and the second calendering roller are both rotatably connected to the support plate, and the front ends of the first calendering roller and the second calendering roller are fixedly connected with an adjusting screw, the end of the adjusting screw passes through a pressure plate, and the top end of the adjusting screw is threadedly connected with an adjusting nut.

[0009] Wherein, a pressing wheel is arranged on the outer wall of the second calendering roller, and the inner dimension of the pressing wheel is consistent with the outer wall dimension of the adjusting screw.

[0010] Among them, the adjustment component includes an adjusting wheel, a slider and a return spring. A plurality of sliders are fixedly connected to the bottom end of the adjusting wheel. The plurality of sliders are distributed in a circular array about the central axis of the adjusting wheel. The plurality of sliders are slidably connected to the first calendering roller. A return spring is arranged on the rear side of the adjusting wheel. The adjusting wheel forms an active structure with the first calendering roller through the return spring.

[0011] Wherein, a tensioning assembly is arranged on the side of the first calendering roller, and two tensioning assemblies are arranged, and the two tensioning assemblies are symmetrically distributed about the central axis of the support plate.

[0012] Among them, the tensioning assembly includes a fixed shell, a fixed shaft, a movable wheel and a buffer spring. There are two fixed shells, and the two fixed shells are symmetrically arranged. The interiors of the two fixed shells are slidably connected with fixed shafts, the front end of the fixed shaft is rotatably connected with the movable wheel, and a buffer spring is arranged on the upper side of the fixed shaft.

[0013] The rear ends of the first calendering roller and the second calendering roller are fixedly connected with transmission gears, and a transmission belt is connected between every two corresponding transmission gears, and a motor is installed at the rear end of one of the first calendering roller and the second calendering roller.

[0014] The utility model has at least the following beneficial effects:

[0015] The staff can slide the adjusting wheel according to the size of the pressing wheel, and the exposed adjusting wheel will match the size of the pressing wheel. Through the different diameters and lengths of the pressing wheel, it can be applied to different cross-sectional specifications for rolling, so that the copper strip can be pressed into a predicted shape. At the same time, the reset spring and the pressure plate can limit the position of the adjusting wheel front and back, which is convenient for stable rolling of the photovoltaic welding strip. The setting can quickly and efficiently adjust the rolling range of the welding strip, which is suitable for photovoltaic welding strips of various sizes and specifications to meet the diverse market needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the rear structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure of the first calendering roller and the second calendering roller of the utility model;

[0019] Figure 4 This is a schematic diagram of the cutaway structure of the first calendering roller of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the regulating wheel of the utility model;

[0021] Figure 6This is a schematic diagram of the cutaway structure of the fixed shell of the utility model.

[0022] In the figure: 001, support plate; 002, first calendering roller; 003, adjustment assembly; 004, tensioning assembly; 210, second calendering roller; 220, adjustment screw; 230, pressure plate; 240, adjustment nut; 250, pressure wheel; 301, adjustment wheel; 302, slider; 303, return spring; 401, fixed shell; 402, fixed shaft; 403, movable wheel; 404, buffer spring; 410, transmission gear; 420, transmission belt; 430, motor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-6 , the utility model provides a technical solution:

[0025] Embodiment 1

[0026] A calendering mechanism for a photovoltaic welding ribbon, comprising: a support plate 001;

[0027] Also includes:

[0028] First calendering rollers 002, there are three sets of first calendering rollers 002, the three sets of first calendering rollers 002 are arranged on the front side of the support plate 001, the three sets of first calendering rollers 002 are equidistantly distributed about the outer wall of the support plate 001, and are used to calender the photovoltaic welding ribbon;

[0029] The adjusting component 003 is arranged inside the first calendering roller 002 and is used for adjusting the calendering range of the first calendering roller 002 .

[0030] Among them, first, the staff can install the pressing wheel 250 on the second calendering roller 210, and then adjust the adjusting wheel 301 to a suitable length of the pressing wheel 250 by adjusting the adjusting component 003. The staff can then put the copper strip between the pressing wheel 250 and the adjusting wheel 301. Finally, start the motor 430, and the two motors 430 rotate in opposite directions, so that the first calendering roller 002 and the second calendering roller 210 can rotate in opposite directions, and the high-temperature copper strip is rolled and crushed by three groups of the first calendering rollers 002 and the second calendering rollers 210 until the photovoltaic welding strip is formed.

[0031] A second calendering roller 210 is arranged on the upper side of the first calendering roller 002. The first calendering roller 002 and the second calendering roller 210 are both rotatably connected to the support plate 001. The front ends of the first calendering roller 002 and the second calendering roller 210 are fixedly connected with an adjusting screw 220. The end of the adjusting screw 220 passes through a pressing plate 230. The top end of the adjusting screw 220 is threadedly connected with an adjusting nut 240.

[0032] A pressing wheel 250 is disposed on the outer wall of the second calendering roller 210 , and the inner dimension of the pressing wheel 250 matches the outer wall dimension of the adjusting screw 220 .

[0033] Among them, the staff can cancel the connection between the adjusting nut 240 and the adjusting screw 220. Through the different diameters and lengths of the pressing wheel 250, it can be suitable for calendering with specifications of different cross sections. After replacing the pressing wheel 250, the pressing plate 230 can be passed through the adjusting screw 220 to fix the position of the pressing wheel 250.

[0034] The adjusting assembly 003 includes an adjusting wheel 301, a slider 302 and a return spring 303. A plurality of sliders 302 are fixedly connected to the bottom end of the adjusting wheel 301. The plurality of sliders 302 are distributed in a circular array about the central axis of the adjusting wheel 301. The plurality of sliders 302 are slidably connected to the first calendering roller 002. A return spring 303 is provided on the rear side of the adjusting wheel 301. The adjusting wheel 301 forms an active structure with the first calendering roller 002 through the return spring 303.

[0035] Among them, the staff can slide the adjusting wheel 301 according to the size of the pressing wheel 250, and the exposed adjusting wheel 301 matches the size of the pressing wheel 250, so that the copper strip can be pressed into the predicted shape. At the same time, the reset spring 303 and the pressure plate 230 can limit the position of the adjusting wheel 301 front and back, which is convenient for stable rolling of the photovoltaic welding strip. The setting can quickly and efficiently adjust the rolling range of the welding strip, which is suitable for photovoltaic welding strips of various sizes and specifications to meet the diverse market needs.

[0036] A tensioning assembly 004 is disposed on the side of the first calendering roller 002 . Two tensioning assemblies 004 are disposed, and the two tensioning assemblies 004 are symmetrically distributed about the central axis of the support plate 001 .

[0037] The tensioning assembly 004 includes a fixed shell 401, a fixed shaft 402, a movable wheel 403 and a buffer spring 404. Two fixed shells 401 are provided, and the two fixed shells 401 are symmetrically arranged. The interiors of the two fixed shells 401 are both slidably connected with the fixed shaft 402, the front end of the fixed shaft 402 is rotatably connected with the movable wheel 403, and the upper side of the fixed shaft 402 is provided with a buffer spring 404.

[0038] Among them, the staff can press the copper belt through the movable wheel 403, and the movable wheel 403 can rotate synchronously with the movement of the copper belt. At the same time, when the movable wheel 403 rotates, the fixed shaft 402 will move toward the rear end of the fixed shell 401 with the pressure of the copper belt. At the same time, the reset spring 303 can continuously apply a certain elastic force to the fixed shaft 402, so as to continuously adjust the tension of the copper belt to prevent the copper belt from falling off or the calendering shape from being abnormal during the calendering process.

[0039] Embodiment 2

[0040] In the second embodiment, other structures remain unchanged. The difference from the first embodiment is that the rear ends of the first calendering roller 002 and the second calendering roller 210 are fixedly connected with transmission gears 410, and a transmission belt 420 is connected between every two corresponding transmission gears 410, and a motor 430 is installed at the rear end of one of the first calendering rollers 002 and the second calendering rollers 210.

[0041] Among them, the movement directions of the two motors 430 are opposite. After the motor 430 is started, the transmission belt 420 drives the transmission gear 410, and then the three groups of first calendering rollers 002 and second calendering rollers 210 rotate synchronously in opposite directions, thereby quickly calendering the copper strip, and can reduce electricity and work costs.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A calendering mechanism for a photovoltaic welding ribbon, comprising: Support plate (001); It is characterized by: also including: First calendering rollers (002), wherein three groups of the first calendering rollers (002) are provided, the three groups of the first calendering rollers (002) are provided on the front side of the support plate (001), and the three groups of the first calendering rollers (002) are equidistantly distributed with respect to the outer wall of the support plate (001), and are used for calendering the photovoltaic welding strip; An adjusting component (003) is arranged inside the first calendering roller (002) and is used to adjust the calendering range of the first calendering roller (002). The adjusting component (003) comprises an adjusting wheel (301), a slider (302) and a return spring (303). A plurality of sliders (302) are fixedly connected to the bottom end of the adjusting wheel (301). The plurality of sliders (302) are distributed in a circular array about the central axis of the adjusting wheel (301). The plurality of sliders (302) form a sliding connection with the first calendering roller (002). A return spring (303) is arranged on the rear side of the adjusting wheel (301). The adjusting wheel (301) forms an active structure with the first calendering roller (002) via the return spring (303).

2. The calendering mechanism for photovoltaic welding ribbon according to claim 1, characterized in that: A second calendering roller (210) is arranged on the upper side of the first calendering roller (002); the first calendering roller (002) and the second calendering roller (210) are both rotatably connected to the support plate (001); the front ends of the first calendering roller (002) and the second calendering roller (210) are fixedly connected with an adjusting screw (220); the end of the adjusting screw (220) is penetrated by a pressing plate (230); and the top end of the adjusting screw (220) is threadedly connected with an adjusting nut (240).

3. The calendering mechanism for photovoltaic welding ribbon according to claim 2, characterized in that: The outer wall of the second calendering roller (210) is provided with a pressing wheel (250), and the inner dimensions of the pressing wheel (250) match the outer wall dimensions of the adjusting screw (220).

4. The calendering mechanism for photovoltaic welding ribbon according to claim 1, characterized in that: A tensioning assembly (004) is arranged on the side of the first calendering roller (002), and two tensioning assemblies (004) are arranged, and the two tensioning assemblies (004) are symmetrically distributed about the central axis of the support plate (001).

5. The calendering mechanism for photovoltaic welding ribbon according to claim 4, characterized in that: The tensioning assembly (004) comprises a fixed shell (401), a fixed shaft (402), a movable wheel (403) and a buffer spring (404). Two fixed shells (401) are provided. The two fixed shells (401) are symmetrically arranged. The interiors of the two fixed shells (401) are both slidably connected to the fixed shaft (402). The front end of the fixed shaft (402) is rotatably connected to the movable wheel (403). The upper side of the fixed shaft (402) is provided with a buffer spring (404).

6. The calendering mechanism for photovoltaic welding ribbon according to claim 2, characterized in that: The rear ends of the first calendering roller (002) and the second calendering roller (210) are fixedly connected to transmission gears (410), and a transmission belt (420) is connected between every two corresponding transmission gears (410), and a motor (430) is installed at the rear end of one of the first calendering roller (002) and the second calendering roller (210).

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