Photovoltaic module welding strip positioning mechanism

Abstract

The invention relates to the technical field of welding strip positioning, and discloses a photovoltaic module welding strip positioning mechanism which comprises a base and a motor driving mechanism arranged at the top of the base, the motor driving mechanism comprises a motor fixedly connected to the side wall of the base, and the output end of the motor is fixedly connected with an output shaft; the outer wall of the other end of the output shaft is fixedly connected with a driving wheel, the outer wall of the side wall of the driving wheel is in transmission connection with a driven wheel through a belt, the inner wall of the driven wheel is fixedly connected with a transmission shaft, and the outer wall of the end, close to the driven wheel, of the transmission shaft is rotationally connected with the inner wall of the side face of the base through a bearing. According to the assembly series connection device, the welding strip positioning precision problem and the side standing problem of the flat welding strip in the assembly series connection process are solved, meanwhile, in order to prevent the clamping jaw tidying mechanism from excessively pressing battery pieces, an elastic retraction structure is additionally arranged on the clamping jaw tidying mechanism, and the battery pieces are prevented from being crushed.

Description

Technical Field

[0001] The invention relates to the technical field of welding strip positioning, in particular to a welding strip positioning mechanism for a photovoltaic module. Background Art

[0002] The soldering ribbon positioning mechanism of photovoltaic modules is used to accurately position and fix the soldering ribbon during the manufacturing process of photovoltaic modules to ensure the welding quality and the stability of the module. The soldering ribbon of photovoltaic modules usually connects solar cells and transmits current, so the precise positioning of the soldering ribbon is crucial to the performance of the cells and the long-term reliability of the module.

[0003] In the series connection of photovoltaic cell modules, the alignment accuracy of the welding ribbon and the grid wire is required to be high, which is one of the core factors affecting the series connection of modules.

[0004] There are some shortcomings in the photovoltaic module welding ribbon positioning mechanism in the prior art. When positioning the welding ribbon in the prior art, it is not convenient to lateralize the flat welding ribbon, which easily causes the welding ribbon to be offset during the process of connecting the components in series, thereby affecting the welding ribbon positioning accuracy during the process of connecting the components in series. For this reason, we propose a photovoltaic module welding ribbon positioning mechanism. Summary of the invention

[0005] The purpose of the present invention is to provide a photovoltaic module welding strip positioning mechanism. In the series connection of photovoltaic cell modules, the positioning accuracy of the welding strip and the grid line is required to be high, which is one of the core factors affecting the series connection of modules. The invention of this photovoltaic module welding strip positioning mechanism mainly solves the problem of welding strip positioning accuracy and the side-standing problem of flat welding strips in the process of module series connection. At the same time, in order to prevent the clamping jaw adjusting mechanism from over-pressing the battery cell, an elastic retraction structure is added to the clamping jaw adjusting mechanism to avoid crushing the battery cell.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a photovoltaic module welding ribbon positioning mechanism, comprising a base, and a motor drive mechanism arranged on the top of the base, the motor drive mechanism comprising a motor fixedly connected to the side wall of the base, the output end of the motor is fixedly connected to an output shaft, the other end outer wall of the output shaft is fixedly connected to a driving wheel, the side wall outer wall of the driving wheel is connected to a driven wheel through a belt transmission, the inner wall of the driven wheel is fixedly connected to a transmission shaft, the outer wall of the transmission shaft close to one end of the driven wheel is rotatably connected to the side inner wall of the base through a bearing, by setting the motor drive mechanism, in the process of positioning the photovoltaic module welding ribbon, the operator places the photovoltaic module welding ribbon that needs to be positioned on the top of the base, and then turns on the motor to cause the output shaft to rotate, during the process of the output shaft rotating, the driving wheel is caused to rotate, during the process of the driving wheel rotating, the driven wheel is caused to rotate through the belt, and during the process of the driven wheel rotating, the transmission shaft is caused to rotate, in this process, a transmission effect is played, and a power source is provided in the process of positioning the photovoltaic module welding ribbon.

[0007] Preferably, the side of the motor drive mechanism is connected to a gear rack transmission mechanism, and the gear rack transmission mechanism includes a gear fixedly mounted on the outer wall of the middle part of the transmission shaft, the side wall of the gear is meshed with a rack, the top side wall of the rack is fixedly connected to a guide rail, and the side wall of the guide rail is fixedly connected to a cam plate. By setting up the gear rack transmission mechanism, the gear will be driven to rotate during the rotation of the transmission shaft, and will be meshed with the rack during the rotation of the gear, prompting the guide rail to move, and the cam plate will move up and down during the movement of the guide rail, thereby facilitating the adjustment of the positioning height of the welding strip of the photovoltaic module.

[0008] Preferably, a flat welding strip anti-sideways mechanism is provided on the side of the gear rack transmission mechanism, and the flat welding strip anti-sideways mechanism includes a fixing seat fixedly connected to the top of the base, and the side wall of the fixing seat is slidably connected with a mounting plate, the inner wall of the mounting plate is fixedly connected to the outer wall of the guide rail, and the outer wall of the other side of the guide rail is slidably connected with a slider, and the outer wall of the slider is fixedly connected to the inner wall of the fixing seat. By setting up the flat welding strip anti-sideways mechanism, during the movement of the guide rail, the slider will be prompted to move up and down with the fixing seat, which is convenient for limiting the slider during the up and down movement of the guide rail, so that the mechanism can be positioned smoothly during the positioning of the welding strip, thereby improving work efficiency.

[0009] Preferably, the side wall of the mounting plate is fixedly connected with a welding strip clamping claw tidying mechanism, and the welding strip clamping claw tidying mechanism includes a pressure needle mounting plate fixedly connected to the side wall of the mounting plate, the bottom of the pressure needle mounting plate is fixedly connected with a second spring, the other end of the second spring is fixedly connected with a pressure needle, the outer wall of the pressure needle is slidably connected to the side inner wall of the mounting plate, the bottom of the pressure needle is fixedly connected with a clamping claw floating block, the top of the clamping claw floating block is fixedly connected with a third spring, the other end of the third spring is fixedly connected to the top of the side wall of the mounting plate, the bottom side wall of the clamping claw floating block is movably connected with the clamping claw through a hinge, the middle part of the side wall of the clamping claw is movably connected with the first spring through a hinge, and the first spring The other end of the spring is fixedly connected to the middle side wall of the other clamping jaw, and the bottom side wall of the clamping jaw is slidably connected with a welding strip. By setting a welding strip clamping jaw adjusting mechanism, when positioning the welding strip, the pressure needle mounting plate is first pressed down to prompt the second spring to squeeze the pressure needle, prompting the pressure needle to move downward. When the pressure needle moves downward, it will squeeze the clamping jaw floating block downward. When the clamping jaw floating block is squeezed downward, it will press the clamping jaw downward, prompting the clamping jaw to press the welding strip under the action of the first spring, thereby achieving positioning of the welding strip, improving the stability of the device in the process of positioning the welding strip, and preventing the clamping jaw adjusting mechanism from over-pressing the battery cell. An elastic retraction structure is added to the clamping jaw adjusting mechanism to avoid crushing the battery cell.

[0010] Preferably, the outer wall of the transmission shaft is fixedly connected to the inner wall of the gear, and the outer wall of the end surface of the transmission shaft is fixedly connected to the inner wall of the driven wheel.

[0011] Preferably, the side wall of the cam plate is fixedly connected to the side wall of the pressure needle mounting plate, and the end surface of the pressure needle mounting plate is fixedly connected to the outer wall of the guide rail.

[0012] Preferably, the outer wall of the pressing pin is matched with the inner wall of the side surface of the mounting plate, and the bottom of the pressing pin is fixedly connected to the top of the clamping jaw floating block.

[0013] Preferably, there are several pressing pins, and the several pressing pins are arranged in a linear array along the side of the mounting plate.

[0014] The present invention provides a photovoltaic module welding strip positioning mechanism. The photovoltaic module welding strip positioning mechanism has the following beneficial effects: The photovoltaic module welding strip positioning mechanism is provided with a motor driving mechanism. When the photovoltaic module welding strip needs to be positioned, the operator places the photovoltaic module welding strip that needs to be positioned on the top of the base, and then turns on the motor to cause the output shaft to rotate. During the rotation of the output shaft, the driving wheel is caused to rotate. During the rotation of the driving wheel, the driven wheel is caused to rotate through the belt. During the rotation of the driven wheel, the transmission shaft is caused to rotate. In this process, a transmission function is played, and a power source is provided during the positioning of the photovoltaic module welding strip. The photovoltaic module welding strip positioning mechanism is provided with a gear rack transmission mechanism, which causes the gear to rotate during the rotation of the transmission shaft, and meshes with the rack during the rotation of the gear, causing the guide rail to move, and the cam plate to move up and down during the movement of the guide rail, thereby facilitating the adjustment of the positioning height of the photovoltaic module welding strip; The photovoltaic module welding strip positioning mechanism is provided with a flat welding strip anti-side-standing mechanism, which can prompt the slider to move up and down with the fixing seat during the movement of the guide rail, so that the slider can be limited in the process of moving up and down by the guide rail, so that the mechanism can be positioned stably during the process of positioning the welding strip, thereby improving work efficiency. The photovoltaic module welding strip positioning mechanism is provided with a welding strip clamping claw adjusting mechanism. When positioning the welding strip, the pressure needle mounting plate is first pressed downward, prompting the second spring to press the pressure needle, prompting the pressure needle to move downward. When the pressure needle moves downward, it will press the clamping claw floating block downward. When the clamping claw floating block is pressed downward, it will bring the clamping claw down, prompting the clamping claw to press the welding strip tightly under the action of the first spring, thereby achieving positioning of the welding strip, improving the stability of the device in the welding strip positioning process, preventing the clamping claw adjusting mechanism from overpressing the battery cell, and adding an elastic retraction structure to the clamping claw adjusting mechanism to avoid crushing the battery cell; The present invention provides accurate positioning of welding strips and battery cell grid lines for component series connection, and simultaneously performs side adjustment for flat welding strips, thereby greatly reducing welding strip deviation during component series connection and the influence of the side adjustment of welding strips on the component yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 for Figure 1 A partial enlarged view of the middle A; Figure 3 is a side view of the present invention; Figure 4 It is a partial exploded view of the present invention; Figure 5 It is a top view of the present invention.

[0016] In the figure: 1. base; 2. welding strip clamping jaw arranging mechanism; 21. clamping jaw; 22. clamping jaw floating block; 23. first spring; 24. pressure needle mounting plate; 25. second spring; 26. pressure needle; 27. third spring; 28. welding strip; 3. flat welding strip anti-side standing mechanism; 31. fixed seat; 32. mounting plate; 33. slider; 4. gear rack transmission mechanism; 41. gear; 42. rack; 43. guide rail; 44. cam plate; 5. motor driving mechanism; 51. motor; 52. output shaft; 53. driving wheel; 54. driven wheel; 55. transmission shaft. DETAILED DESCRIPTION

[0017] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, specific embodiments of the present invention are now described with reference to the accompanying drawings.

[0018] A preferred embodiment of a photovoltaic module welding strip positioning mechanism provided by the present invention is as follows: Figures 1 to 5 As shown: A photovoltaic module welding ribbon positioning mechanism includes a base 1 and a motor drive mechanism 5 arranged on the top of the base 1. The motor drive mechanism 5 includes a motor 51 fixedly connected to the side wall of the base 1. The output end of the motor 51 is fixedly connected to an output shaft 52. The other end outer wall of the output shaft 52 is fixedly connected to a driving wheel 53. The outer wall of the side wall of the driving wheel 53 is connected to a driven wheel 54 through a belt drive. The inner wall of the driven wheel 54 is fixedly connected to a transmission shaft 55. The outer wall of the transmission shaft 55 close to one end of the driven wheel 54 is rotatably connected to the inner wall of the side of the base 1 through a bearing. By setting the motor The driving mechanism 5, when the welding strip of the photovoltaic module needs to be positioned, the operator places the welding strip of the photovoltaic module that needs to be positioned on the top of the base 1, and then turns on the motor 51 to cause the output shaft 52 to rotate. During the rotation of the output shaft 52, the driving wheel 53 is caused to rotate. During the rotation of the driving wheel 53, the driven wheel 54 is caused to rotate through the belt. During the rotation of the driven wheel 54, the transmission shaft 55 is caused to rotate. In this process, a transmission function is played, providing a power source for the positioning of the welding strip of the photovoltaic module.

[0019] The side of the motor drive mechanism 5 is connected to a gear rack transmission mechanism 4, which includes a gear 41 fixedly mounted on the outer wall of the middle part of the transmission shaft 55, the side wall of the gear 41 is meshed with a rack 42, the top side wall of the rack 42 is fixedly connected to a guide rail 43, and the side wall of the guide rail 43 is fixedly connected to a cam plate 44. By setting the gear rack transmission mechanism 4, the gear 41 is driven to rotate during the rotation of the transmission shaft 55, and the gear is engaged with the rack 42 during the rotation, prompting the guide rail 43 to move, and the cam plate 44 is moved up and down during the movement of the guide rail 43, thereby facilitating the adjustment of the positioning height of the welding strip of the photovoltaic module.

[0020] A flat welding strip anti-sideways mechanism 3 is arranged on the side of the gear rack transmission mechanism 4, and the flat welding strip anti-sideways mechanism 3 includes a fixing seat 31 fixedly connected to the top of the base 1, and the side wall of the fixing seat 31 is slidably connected with a mounting plate 32, and the inner wall of the mounting plate 32 is fixedly connected to the outer wall of the guide rail 43, and the outer wall of the other side of the guide rail 43 is slidably connected with a slider 33, and the outer wall of the slider 33 is fixedly connected to the inner wall of the fixing seat 31. By setting the flat welding strip anti-sideways mechanism 3, during the movement of the guide rail 43, the slider 33 will be prompted to move up and down with the fixing seat 31, so that the slider 33 can be limited by the guide rail 43 during the up and down movement, so that the mechanism can be positioned smoothly during the positioning of the welding strip, thereby improving work efficiency.

[0021] The side wall of the mounting plate 32 is fixedly connected with a solder strip clamping claw tidying mechanism 2, and the solder strip clamping claw tidying mechanism 2 includes a pressure needle mounting plate 24 fixedly connected to the side wall of the mounting plate 32, and the bottom of the pressure needle mounting plate 24 is fixedly connected with a second spring 25, and the other end of the second spring 25 is fixedly connected with a pressure needle 26, and the outer wall of the pressure needle 26 is slidably connected to the inner wall of the side of the mounting plate 32, and the bottom of the pressure needle 26 is fixedly connected with a clamping claw floating block 22, and the top of the clamping claw floating block 22 is fixedly connected with a third spring 27, and the other end of the third spring 27 is fixedly connected to the top of the side wall of the mounting plate 32, and the bottom side wall of the clamping claw floating block 22 is movably connected with the clamping claw 21 through a hinge, and the middle part of the side wall of the clamping claw 21 is movably connected with the first spring 23 through a hinge, and the other end of the first spring 23 is connected to the other A middle side wall of a clamping jaw 21 is fixedly connected, and a welding strip 28 is slidably connected to the bottom side wall of the clamping jaw 21. By setting a welding strip clamping jaw adjusting mechanism 2, when positioning the welding strip 28, the pressure needle mounting plate 24 is first pressed down, prompting the second spring 25 to squeeze the pressure needle 26, prompting the pressure needle 26 to move downward. When the pressure needle 26 moves downward, it will press the clamping jaw floating block 22 downward. When the clamping jaw floating block 22 is pressed downward, it will press the clamping jaw 21 downward, prompting the clamping jaw 21 to press the welding strip 28 under the action of the first spring 23, thereby realizing the positioning of the welding strip 28, improving the stability of the device in the process of positioning the welding strip, and preventing the clamping jaw adjusting mechanism from over-pressing the battery cell. An elastic retraction structure is added to the clamping jaw adjusting mechanism to avoid crushing the battery cell.

[0022] Furthermore, the outer wall of the transmission shaft 55 is fixedly connected to the inner wall of the gear 41 , and the outer wall of the end surface of the transmission shaft 55 is fixedly connected to the inner wall of the driven wheel 54 .

[0023] Furthermore, the side wall of the cam plate 44 is fixedly connected to the side wall of the pressure needle mounting plate 24 , and the end surface of the pressure needle mounting plate 24 is fixedly connected to the outer wall of the guide rail 43 .

[0024] Furthermore, the outer wall of the pressure pin 26 is matched with the inner wall of the side surface of the mounting plate 32 , and the bottom of the pressure pin 26 is fixedly connected to the top of the clamping jaw floating block 22 .

[0025] In addition, there are a plurality of pressing pins 26 , which are arranged in a linear array along the side of the mounting plate 32 .

[0026] Working principle: When the welding strip 2 needs to be positioned, the clamping jaw 21 is hingedly mounted on the clamping jaw floating block 22, the clamping jaw 21 is divided into left and right, and is closed by the first spring 23. The second spring 25 is installed above the clamping jaw floating block 22, and is arranged on the pressure needle mounting plate 24 according to the number of welding strips 28. The above parts are combined into a welding strip clamping jaw tidying mechanism 2, and the welding strip pressure needle 26 is installed on the pressure needle mounting plate 24 with a built-in third spring 27 to ensure that the welding strip pressure needle 26 can elastically float a certain distance, corresponding to the clamping jaw floating block 22, forming a group, the pressure needle mounting plate 24, the guide rail 43, the rack 42 and the cam plate 44 are connected, and the above parts are combined into a flat welding strip anti-side-standing mechanism 3, a fixed seat 31 and a slider 33 is connected to the mounting plate 32, the rack 42 pushes the pressure needle mounting plate 24 to move up, the pressure needle 26 and the cam plate 44 move up, the cam plate 44 separates the clamping jaws 21, and it is convenient for the welding strip 28 to enter between the clamping jaws 21 from below. When the welding strip 28 enters the clamping jaw 21, the rack 42 pushes the pressure needle mounting plate 24 to move down, and the pressure needle 26 and the cam plate 44 move down at the same time, and the clamping jaws 21 are clamped left and right to form a fixed width, which is the width of the welding strip 28 + 0.2, to ensure the positioning of the welding strip 28, and the pressure needle 26 presses down at the same time to flatten the flat and sideways welding strip, and the first spring 23 ensures that each pressure needle 26 can press the welding strip 28, to ensure that each welding strip 28 has no sideways, and corresponds to the battery cell grid line one by one.

[0027] The above embodiment is only one of the preferred implementation modes of the present invention and should not be used to limit the protection scope of the present invention. Any changes or modifications that are made to the main design concept and spirit of the present invention and have no substantive significance, and the technical problems they solve are still consistent with the present invention, should be included in the protection scope of the present invention.

[0028] The above description is only an illustrative specific implementation mode of the present invention and is not intended to limit the scope of the present invention. Any equivalent changes and modifications made by any technician in the field without departing from the concept and principle of the present invention should fall within the scope of protection of the present invention. It should also be noted that the various components of the present invention are not limited to the above-mentioned overall application. The various technical features described in the specification of the present invention can be selected one by one or multiple ones can be selected and used in combination according to actual needs. Therefore, the present invention should naturally cover other combinations and specific applications related to this case.

Claims

1. A photovoltaic module welding ribbon positioning mechanism, comprising a base (1), and a motor drive mechanism (5) arranged on the top of the base (1), characterized in that: The motor drive mechanism (5) comprises a motor (51) fixedly connected to the side wall of the base (1); an output end of the motor (51) is fixedly connected to an output shaft (52); an outer wall of the other end of the output shaft (52) is fixedly connected to a driving wheel (53); an outer wall of the side wall of the driving wheel (53) is connected to a driven wheel (54) via a belt drive; an inner wall of the driven wheel (54) is fixedly connected to a transmission shaft (55); and an outer wall of the transmission shaft (55) close to one end of the driven wheel (54) is rotatably connected to the inner wall of the side surface of the base (1) via a bearing.

2. A photovoltaic module welding ribbon positioning mechanism according to claim 1, characterized in that: A gear rack transmission mechanism (4) is connected to the side of the motor drive mechanism (5), the gear rack transmission mechanism (4) comprising a gear (41) fixedly sleeved on the outer wall of the middle portion of the transmission shaft (55), a rack (42) meshing with the side wall of the gear (41), a guide rail (43) fixedly connected to the top side wall of the rack (42), and a cam plate (44) fixedly connected to the side wall of the guide rail (43).

3. A photovoltaic module welding ribbon positioning mechanism according to claim 2, characterized in that: A flat welding strip anti-sideways mechanism (3) is arranged on the side of the gear rack transmission mechanism (4), and the flat welding strip anti-sideways mechanism (3) comprises a fixing seat (31) fixedly connected to the top of the base (1), a mounting plate (32) is slidably connected to the side wall of the fixing seat (31), an inner wall of the mounting plate (32) is fixedly connected to the outer wall of the guide rail (43), a slider (33) is slidably connected to the outer wall of the other side of the guide rail (43), and the outer wall of the slider (33) is fixedly connected to the inner wall of the fixing seat (31).

4. A photovoltaic module welding ribbon positioning mechanism according to claim 3, characterized in that: The side wall of the mounting plate (32) is fixedly connected to a solder strip clamping claw tidying mechanism (2), and the solder strip clamping claw tidying mechanism (2) comprises a pressure pin mounting plate (24) fixedly connected to the side wall of the mounting plate (32), a second spring (25) is fixedly connected to the bottom of the pressure pin mounting plate (24), a pressure pin (26) is fixedly connected to the other end of the second spring (25), an outer wall of the pressure pin (26) is slidably connected to the inner wall of the side surface of the mounting plate (32), and a clamping claw floating block (22) is fixedly connected to the bottom of the pressure pin (26). A third spring (27) is fixedly connected to the top of the jaw floating block (22), and the other end of the third spring (27) is fixedly connected to the top of the side wall of the mounting plate (32). The bottom side wall of the jaw floating block (22) is movably connected to the jaw (21) via a hinge, and the middle of the side wall of the jaw (21) is movably connected to the first spring (23) via a hinge, and the other end of the first spring (23) is fixedly connected to the middle side wall of another jaw (21), and the bottom side wall of the jaw (21) is slidably connected to a welding strip (28).

5. A photovoltaic module welding ribbon positioning mechanism according to claim 1, characterized in that: The outer wall of the transmission shaft (55) is fixedly connected to the inner wall of the gear (41), and the outer wall of the end surface of the transmission shaft (55) is fixedly connected to the inner wall of the driven wheel (54).

6. A photovoltaic module welding ribbon positioning mechanism according to claim 2, characterized in that: The side wall of the cam plate (44) is fixedly connected to the side wall of the pressure needle mounting plate (24), and the end surface of the pressure needle mounting plate (24) is fixedly connected to the outer wall of the guide rail (43).

7. A photovoltaic module welding ribbon positioning mechanism according to claim 4, characterized in that: The outer wall of the pressure needle (26) is matched with the inner wall of the side surface of the mounting plate (32), and the bottom of the pressure needle (26) is fixedly connected to the top of the clamping claw floating block (22).

8. A photovoltaic module welding ribbon positioning mechanism according to claim 4, characterized in that: There are a plurality of the pressing needles (26), and the plurality of the pressing needles (26) are arranged in a linear array along the side of the mounting plate (32).

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