Photovoltaic module chamfering device

Abstract

The utility model provides a photovoltaic module chamfering device, which is suitable for chamfering a photovoltaic frame, and comprises a positioning mechanism suitable for positioning the photovoltaic frame; the grinding mechanism comprises a moving seat and a grinding assembly, the grinding assembly is arranged on the moving seat, and the moving seat is suitable for being close to or away from the frame corner; and the dust suction mechanism is arranged on the moving seat, and the dust suction mechanism is suitable for sucking sweeps, so that the chamfering machining effect of the photovoltaic frame is guaranteed, generated burrs and sweeps can be synchronously collected during chamfering machining, and the machining time is shortened.

Description

Technical Field

[0001] The present disclosure relates to the technical field of photovoltaic module production, and in particular to a photovoltaic module chamfering device. Background Art

[0002] The photovoltaic frame is a crucial component of solar photovoltaic modules. Its function is to encapsulate the cells, glass, backsheet, and other materials, enhancing the structural strength to facilitate transportation, installation, and protect the modules. Therefore, photovoltaic frame products must possess strong load-bearing capacity and corrosion resistance. The performance of the frame has a direct impact on the installation and service life of the cell structure.

[0003] Photovoltaic frames can be categorized by material into aluminum alloy, steel, and composite materials. Aluminum profiles are currently the most commonly used material for photovoltaic frames due to their light weight, corrosion resistance, ease of forming, high strength, ease of cutting and processing, and recyclability. However, burrs on the corners of aluminum alloy frames can affect the assembly and use of photovoltaic modules.

[0004] In the related art, after the glue pouring and curing process, the four corners of the aluminum alloy frame are chamfered, sanded with sandpaper to remove burrs, and then the aluminum alloy dust, sandpaper dust and other waste debris are cleaned.

[0005] Regarding the above-mentioned related technologies, the inventors found that it is difficult to maintain the same polishing degree when using sandpaper, and burrs are likely to remain. In addition, after chamfering, burrs and waste chips will adhere to the photovoltaic frame, requiring further cleaning. Utility Model Content

[0006] A technical problem to be solved by the present disclosure is that the chamfering effect of the photovoltaic frame is poor, and the burrs and debris generated will affect the product quality.

[0007] In order to solve the above technical problems, the embodiment of the present disclosure provides a photovoltaic module chamfering device, which is suitable for chamfering photovoltaic frames, including: a positioning mechanism, which is suitable for positioning the photovoltaic frame; a grinding mechanism, which includes a movable seat and a grinding assembly, and the grinding assembly is arranged on the movable seat, and the movable seat is suitable for approaching or moving away from the frame corner; a dust suction mechanism, which is arranged on the movable seat, and the dust suction mechanism is suitable for sucking waste chips.

[0008] In some embodiments, the grinding assembly includes a grinding belt and a plurality of driving members, wherein the driving members are disposed on a movable seat and are suitable for driving the grinding belt to grind the frame corners.

[0009] In some embodiments, the driving member includes a driving motor and a rotating column. The grinding belt is sleeved on the rotating column. The driving motor is suitable for driving the rotating column to rotate.

[0010] In some embodiments, both ends of the rotating column have a limiting ring, the grinding belt is arranged between the two limiting rings of the rotating column, and the diameter of the limiting ring of the rotating column is larger than the diameter of the rotating column in contact with the grinding belt.

[0011] In some embodiments, a sliding groove is provided on the movable seat, and a tensioning wheel is movably connected in the sliding groove. The tensioning wheel can move along the sliding groove to approach or move away from the frame corner of the photovoltaic frame, and the tensioning wheel is suitable for contacting with the grinding belt.

[0012] In some embodiments, the dust suction mechanism includes a fixed seat and an air pipe joint. The fixed seat is set on the movable seat. The air pipe joint is connected to the fixed seat. One end of the air pipe joint faces the frame corner, and the other end of the air pipe joint is connected to the negative pressure device.

[0013] In some embodiments, the dust collection mechanism further includes a serpentine tube, which is connected to the end of the air pipe joint facing the photovoltaic frame, and the air inlet end of the serpentine tube faces the frame corner.

[0014] In some embodiments, two sets of dust suction mechanisms are provided on the movable base, and a dust suction area suitable for accommodating the frame corners is formed between the air inlet ends of the serpentine tubes in the two dust suction mechanisms.

[0015] In some embodiments, the positioning mechanism includes a plurality of positioning wheels and a plurality of positioning assemblies, the positioning wheels are adapted to abut against the horizontal sides of the photovoltaic frame, and the positioning assemblies are adapted to abut against the longitudinal sides of the photovoltaic frame.

[0016] In some embodiments, the positioning assembly includes a telescopic cylinder and a contact wheel. The movable seat is connected to the output end of the telescopic cylinder, and the contact wheel is provided on the movable seat. The telescopic cylinder is suitable for driving the movable seat close to or away from the frame corner, so that when the movable seat approaches the frame corner, the contact wheel is attached to the longitudinal edge of the photovoltaic frame.

[0017] Through the above technical solution, the present invention provides a photovoltaic module chamfering device, which is suitable for chamfering photovoltaic frames, including a positioning mechanism, a grinding mechanism and a dust suction mechanism. The positioning mechanism can position photovoltaic frames of different sizes to reduce the situation where the photovoltaic module chamfering device has a large tolerance in the chamfering and grinding of photovoltaic frames of the same size in the same batch. The grinding mechanism includes a movable seat and a grinding assembly. The movable seat can move toward or away from the photovoltaic frame, so that the grinding assembly moves with the movable seat toward or away from the photovoltaic frame, so as to facilitate grinding of photovoltaic frames of different sizes to complete the chamfering operation. The dust suction mechanism is also provided on the movable seat and can move toward or away from the photovoltaic frame to be able to absorb and collect debris generated by the grinding and chamfering process, which can reduce the situation where the debris affects the grinding process of the grinding assembly, resulting in insufficient chamfering, and can also reduce the possibility of debris adhering to the photovoltaic frame and easily scratching the photovoltaic module. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0019] Figure 1 It is a schematic diagram of the partial structure of the photovoltaic frame disclosed in the embodiment of the present disclosure;

[0020] Figure 2 Schematic diagram of the structure of the photovoltaic module chamfering device disclosed in the embodiment of the present disclosure;

[0021] Figure 3 It is a partial structural diagram of the photovoltaic module chamfering device disclosed in an embodiment of the present disclosure;

[0022] Figure 4 It is a partial structural schematic diagram of the photovoltaic module chamfering device disclosed in an embodiment of the present invention from a side perspective.

[0023] Description of reference numerals:

[0024] 1. Photovoltaic frame; 11. Frame corner; 2. Positioning mechanism; 21. Positioning wheel; 22. Positioning assembly; 221. Telescopic cylinder; 222. Abutment wheel; 3. Grinding mechanism; 31. Moving seat; 311. Sliding groove; 32. Grinding assembly; 321. Grinding belt; 322. Driving member; 3221. Driving motor; 3222. Rotating column; 64. Dust collection mechanism; 41. Fixed seat; 42. Air pipe joint; 43. Serpentine tube; 5. Tensioning pulley; 6. Limiting ring. DETAILED DESCRIPTION

[0025] The following embodiments of the present disclosure are further described in detail with reference to the accompanying drawings and examples. The detailed description of the following examples and the accompanying drawings are intended to illustrate the principles of the present disclosure, but are not intended to limit the scope of the present disclosure. The present disclosure can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but rather includes all technical solutions within the scope of the claims.

[0026] The present disclosure provides these embodiments in order to make this disclosure thorough and complete, and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that: unless otherwise specifically stated, the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be interpreted as merely exemplary, and not as limiting.

[0027] It should be noted that, in the description of this disclosure, unless otherwise specified, "plurality" means greater than or equal to two; terms such as "upper," "lower," "left," "right," "inner," and "outer" indicating directions or positional relationships are intended solely to facilitate and simplify the description of this disclosure, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this disclosure. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0028] In addition, the terms "first," "second," and similar terms used in this disclosure do not denote any order, quantity, or importance, but are merely used to distinguish different parts. "Perpendicular" does not mean perpendicular in the strict sense, but rather means within the tolerance range. "Parallel" does not mean parallel in the strict sense, but rather means within the tolerance range. "Include" or "comprising" and similar terms mean that the elements preceding the term include the elements listed after the term, and do not exclude the possibility of also including other elements.

[0029] It should also be noted that, in the description of this disclosure, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this disclosure depending on the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intervening device between the specific device and the first or second device.

[0030] All terms used in this disclosure have the same meaning as understood by one of ordinary skill in the art to which this disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in, for example, common dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and should not be interpreted in an idealized or highly formal sense, unless explicitly defined as such herein.

[0031] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0032] Example

[0033] like Figures 1 to 4As shown, the present disclosure provides a photovoltaic module chamfering device, which is suitable for chamfering the frame corner 11 of the photovoltaic frame 1. The photovoltaic frame 1 is transported to the photovoltaic module chamfering device by a conveying device such as a conveyor belt or a robotic arm for chamfering. This is a prior art and will not be described in detail here. It includes a positioning mechanism 2, and the positioning mechanism 2 includes a plurality of positioning wheels 21. In one embodiment of the present application, the positioning wheels 21 have two groups. After the conveying device such as a conveyor belt or a robotic arm transports the photovoltaic frame 1 to the processing platform, one group of positioning wheels 21 is pressed against one horizontal side of the photovoltaic frame 1, and the other group of positioning wheels 21 rises in a direction perpendicular to the plane where the horizontal and vertical sides of the photovoltaic frame 1 are located and presses against the other horizontal side of the photovoltaic frame 1 to fix the photovoltaic frame 1 in the vertical direction. The positioning mechanism 2 also includes a number of positioning components 22, and the positioning components 22 have at least two groups. One group of positioning components 22 is suitable for abutting against one longitudinal side of the photovoltaic frame 1, and the other group of positioning components 22 is suitable for abutting against the other longitudinal side of the photovoltaic frame 1. At this time, the positioning mechanism 2 limits both the two horizontal sides and the two longitudinal sides of the photovoltaic frame 1, thereby completing the accurate positioning of the photovoltaic frame 1 to reduce the situation where the position of the photovoltaic frame 1 moves, resulting in poor grinding and chamfering processing effects.

[0034] like Figure 1 As shown, it also includes a grinding mechanism 3, which can chamfer the frame corner 11 of the photovoltaic frame 1. The grinding mechanism 3 includes a movable seat 31 and a grinding assembly 32, wherein the grinding assembly 32 is arranged on the movable seat 31. When the photovoltaic frame 1 is located at the position to be processed, the movable seat 31 can be driven by the positioning assembly 22 to move toward or away from the photovoltaic frame 1, so that the grinding assembly 32 can contact the photovoltaic frame 1 for grinding. The specific positioning assembly 22 includes a telescopic cylinder 221 and a contact wheel 222. The movable seat 31 is connected to the output end of the telescopic cylinder 221, and the contact wheel 222 is rotatably connected to the movable seat 31. The telescopic cylinder 221 can drive the movable seat 31 to move toward or away from the longitudinal edge of the photovoltaic frame 1, that is, the telescopic cylinder 221 can drive the movable seat 31 to move toward the photovoltaic frame 1 and is suitable for driving the contact wheel 222 to contact the longitudinal edge of the photovoltaic frame 1.

[0035] At this time, the abutting wheel 222 not only works together with the positioning wheel 21 to position the photovoltaic frame 1, but also makes the grinding assembly 32 contact with the photovoltaic frame 1 after the positioning mechanism 2 completes the positioning of the photovoltaic frame 1. At the same time, the grinding assembly 32 is also limited, which can reduce the impact of the grinding assembly 32 on the photovoltaic frame 1 and cause damage to the photovoltaic frame 1.

[0036] like Figure 3 and Figure 4As shown, the grinding assembly 32 includes a grinding belt 321 and a plurality of driving members 322, wherein the driving members 322 are all arranged on the movable seat 31, and the grinding belt 321 is suitable for being driven by the plurality of driving members 322 to grind the frame corner 11 of the photovoltaic frame 1 for chamfering. The driving member 322 includes a driving motor 3221 and a rotating column 3222, as shown in FIG. Figure 4 As shown, the drive motor 3221 is mounted on the side of the movable base 31 facing away from the polishing belt 321. The rotating shaft of the drive motor 3221 extends through the movable base 31 to the side of the movable base 31 facing the polishing belt 321. The rotating column 3222 is connected to the rotating shaft of the drive motor 3221 on the side of the movable base 31 facing the polishing belt 321, and the rotating column 3222 is coaxially arranged with the rotating shaft of the drive motor 3221. A plurality of drive members 322 are arranged on the movable base 31, and the polishing belt 321 is mounted on the plurality of rotating columns 3222. That is, the polishing belt 321 is supported by the plurality of rotating columns 3222 and forms a polygon on the movable base 31. In one embodiment of the present application, a set of grinding assemblies 32 includes three drive members 322, so that the polishing belt 321 forms a triangle after being mounted on the rotating columns 3222.

[0037] During operation, the photovoltaic frame 1 is first positioned, and the telescopic cylinder 221 drives the movable seat 31 to move toward the direction of the photovoltaic frame 1, so that the abutting wheel 222 abuts against the longitudinal edge of the photovoltaic frame 1. At this time, one edge of the grinding belt 321 also abuts against the frame corner 11 of the photovoltaic frame 1. The driving motor 3221 is started, and the rotating column 3222 is driven to rotate to make the grinding belt 321 start to rotate. At this time, the grinding belt 321 and the frame corner 11 of the photovoltaic frame 1 produce continuous and uniform friction, so that the grinding assembly 32 grinds and chamfers the photovoltaic frame 1, and the positioning assembly 22 positions the relative position of the photovoltaic frame 1 and the grinding assembly 32, which can reduce the possibility of large grinding tolerance of photovoltaic frames 1 of the same size and ensure the processing effect.

[0038] In order to further reduce the tolerance range of the grinding degree of the photovoltaic frame 1 by the grinding component 32, as shown in FIG. Figure 4 The rotating column 3222 shown has a limit ring 6 at both ends, and the limit ring 6 can rotate with the rotating column 3222. The diameter of the limit ring 6 is larger than the diameter of the rotating column 3222, so that the longitudinal section of the combination of the rotating column 3222 and the two limit rings 6 is in the shape of an "I", and the grinding belt 321 only contacts the rotating column 3222. Therefore, the limit rings 6 at both ends of the rotating column 3222 can limit the grinding belt 321 to reduce the possibility of the grinding belt 321 being displaced along the height direction of the rotating column 3222, thereby reducing the situation where the grinding position of the grinding belt 321 on the photovoltaic frame 1 is offset, so as to narrow the grinding degree tolerance range of the grinding component 32 on the photovoltaic frame 1.

[0039] like Figure 3 and Figure 4 As shown, a sliding groove 311 is provided on the side of the movable seat 31 facing the polishing belt 321, and a tensioning wheel 5 is slidingly arranged in the sliding groove 311. After the polishing belt 321 is sleeved on a number of rotating columns 3222, when the tensioning wheel 5 slides along the sliding groove 311 toward the polishing belt 321, the tensioning wheel 5 is suitable for abutting against the polishing belt 321. The middle part of the tensioning wheel 5 is also a rotating connection, which allows the tensioning wheel 5 to rotate with the polishing belt 321. At the same time, a fixing mechanism is provided on the tensioning wheel 5 on the side of the movable seat 31 facing away from the polishing belt 321. The fixing mechanism can be bolt fixing, magnetic fixing, or a telescopic cylinder 221 is installed on the movable seat 31 to connect with the tensioning wheel 5. These are all existing technologies, so no further details will be given. This structure allows the grinding belt 321 to be sleeved on a number of rotating columns 3222. If there is a gap between the grinding belt 321 and the frame corner 11 of the photovoltaic frame 1, or the grinding belt 321 needs to perform more grinding on the photovoltaic frame 1, the tensioning wheel 5 can be slid to press the grinding belt 321 against the photovoltaic frame 1 and fix it, so that the grinding belt 321 can perform more sufficient grinding on the photovoltaic frame 1 to control the degree of chamfering.

[0040] like Figure 2 and Figure 3 As shown, the movable seat 31 is also provided with a dust collection mechanism 4, which includes a fixed seat 41, which is arranged on the movable seat 31. The side of the fixed seat 41 facing away from the grinding belt 321 is connected to an air pipe joint 42. One end of the air pipe joint 42 passes through the fixed seat 41 and faces the grinding belt 321. The other end of the air pipe joint 42 is connected to a negative pressure device. The fixed seat 41 can ensure that the end of the air pipe joint 42 away from the negative pressure device is always facing the grinding belt 321, and can also reduce the situation where the air pipe joint 42 contacts the grinding belt 321 and causes damage to the grinding belt 321. When the photovoltaic module chamfering device is grinding the photovoltaic frame 1, the negative pressure device is activated, and the end of the air pipe joint 42 away from the negative pressure device generates an adsorption force on the waste chips generated by the grinding process, and the waste chips can be collected in the air pipe joint 42. This can reduce the situation where the debris affects the grinding process of the grinding assembly 32 and causes insufficient polishing, and can also reduce the possibility of debris adhering to the photovoltaic frame 1 and easily scratching the photovoltaic module.

[0041] In order to improve the collection effect of the dust collection mechanism 4 on waste chips, the end of the air pipe joint 42 away from the negative pressure device is connected to a serpentine tube 43, and the end of the serpentine tube 43 away from the air pipe joint 42 extends to the contact point between the grinding belt 321 and the photovoltaic frame 1. That is, the dust collection device can more accurately apply suction force to the waste chips generated by the grinding part through the serpentine tube 43. In order to further improve the collection effect of the dust collection mechanism 4 on waste chips, two sets of dust collection mechanisms 4 are set on each movable seat 31, such as Figure 1As shown, when the photovoltaic frame 1 is positioned and fixed by the positioning mechanism 2, the suction port of the serpentine tube 43 of one group of dust suction mechanisms 4 is located on one side of the contact point between the polishing belt 321 and the photovoltaic frame 1, and the suction port of the serpentine tube 43 of the other group of dust suction mechanisms 4 is located on the other side of the contact point between the polishing belt 321 and the photovoltaic frame 1, that is, a dust suction area is formed between the two groups of dust suction mechanisms 4, and both sides of the contact point between the polishing belt 321 and the photovoltaic frame 1 can be sucked, which can reduce the possibility of the dust suction mechanism 4 having a low collection effect on waste debris.

[0042] In summary, the photovoltaic power generation device disclosed in the present invention has the following advantages: after the photovoltaic frame 1 is transported to its position by the conveying device, one horizontal side of the photovoltaic frame 1 abuts against a set of positioning wheels 21, and the other set of positioning wheels 21 rises and abuts against the other horizontal side of the photovoltaic frame 1 to perform longitudinal positioning of the photovoltaic frame 1. Then, the telescopic cylinder 221 drives the movable seat 31 to move toward the photovoltaic frame 1, and the two sets of abutting wheels 222 respectively abut against the longitudinal sides of the photovoltaic frame 1 to perform transverse positioning of the photovoltaic frame 1. At the same time, the grinding belt 321 mounted on the plurality of rotating columns 3222 abuts against the frame corner 11 of the photovoltaic frame 1, and the tensioning wheel 5 slides along the sliding groove 311 to adjust the contact degree between the grinding belt 321 and the frame corner 11 of the photovoltaic frame 1. Then, the driving motor 3221 is started, and the driving motor 3221 drives the rotating column 3222 to rotate, and the plurality of rotating columns 3222 drive the grinding belt 321 to rotate, and the grinding belt 321 continuously grinds and chamfers the photovoltaic frame 1. Finally, the negative pressure device is activated, and the negative pressure device extracts and collects the waste chips generated by grinding through the air pipe joint 42 and the serpentine tube 43. While reducing the situation where the photovoltaic module chamfering device has a large tolerance on the chamfering of photovoltaic frames 1 of the same size, the photovoltaic power generation device can collect the waste chips generated by grinding, thereby reducing the impact of the debris on the grinding process of the grinding assembly 32, resulting in insufficient chamfering, and reducing the possibility of debris adhering to the photovoltaic frame 1 and easily scratching the photovoltaic module.

[0043] Thus far, various embodiments of the present disclosure have been described in detail. To avoid obscuring the concept of the present disclosure, some details known in the art have not been described. Based on the above description, those skilled in the art can fully understand how to implement the technical solutions disclosed herein.

[0044] Although some specific embodiments of the present disclosure have been described in detail through examples, those skilled in the art will understand that the above examples are for illustrative purposes only and are not intended to limit the scope of the present disclosure. Those skilled in the art will understand that the above embodiments may be modified or some technical features may be replaced with equivalents without departing from the scope and spirit of the present disclosure. In particular, as long as there are no structural conflicts, the various technical features mentioned in the various embodiments may be combined in any manner.

Claims

1. A photovoltaic module chamfering device, suitable for chamfering the frame corner (11) of a photovoltaic frame (1), characterized by: include: A positioning mechanism (2), the positioning mechanism (2) being suitable for positioning the photovoltaic frame (1); A grinding mechanism (3), the grinding mechanism (3) comprising a movable seat (31) and a grinding assembly (32), the grinding assembly (32) being arranged on the movable seat (31), and the movable seat (31) being adapted to approach or move away from the frame corner (11); A dust suction mechanism (4) is provided on the movable seat (31), and the dust suction mechanism (4) is suitable for sucking waste scraps.

2. The photovoltaic module chamfering device according to claim 1, characterized in that: The grinding assembly (32) comprises a grinding belt (321) and a plurality of driving members (322). The driving members (322) are arranged on the movable seat (31). The driving members (322) are suitable for driving the grinding belt (321) to grind the frame corner (11).

3. The photovoltaic module chamfering device according to claim 2, characterized in that: The driving member (322) comprises a driving motor (3221) and a rotating column (3222), the grinding belt (321) is sleeved on the rotating column (3222), and the driving motor (3221) is suitable for driving the rotating column (3222) to rotate.

4. The photovoltaic module chamfering device according to claim 3, characterized in that: Both ends of the rotating column (3222) are provided with a limiting ring (6), the grinding belt (321) is arranged between the two limiting rings (6) of the rotating column (3222), and the diameter of the limiting ring (6) of the rotating column (3222) is larger than the diameter of the rotating column (3222) in contact with the grinding belt (321).

5. The photovoltaic module chamfering device according to claim 2, characterized in that: The movable seat (31) is provided with a sliding groove (311), and a tensioning wheel (5) is movably connected in the sliding groove (311). The tensioning wheel (5) can move along the sliding groove (311) to approach or move away from the frame corner (11) of the photovoltaic frame (1), and the tensioning wheel (5) is suitable for contacting with the grinding belt (321).

6. The photovoltaic module chamfering device according to claim 2, characterized in that: The dust collection mechanism (4) comprises a fixed seat (41) and an air pipe joint (42); the fixed seat (41) is arranged on the movable seat (31); the air pipe joint (42) is connected to the fixed seat (41); one end of the air pipe joint (42) faces the frame corner (11); and the other end of the air pipe joint (42) is connected to a negative pressure device.

7. The photovoltaic module chamfering device according to claim 6, characterized in that: The dust collection mechanism (4) further comprises a serpentine tube (43), the serpentine tube (43) being connected to the end of the air pipe joint (42) facing the photovoltaic frame (1), and the air inlet end of the serpentine tube (43) facing the frame corner (11).

8. The photovoltaic module chamfering device according to claim 7, characterized in that: Two groups of the dust suction mechanisms (4) are provided on the movable seat (31), and a dust suction area suitable for accommodating the frame corner (11) is formed between the air inlet ends of the serpentine tubes (43) in the two dust suction mechanisms (4).

9. The photovoltaic module chamfering device according to claim 1, characterized in that: The positioning mechanism (2) comprises a plurality of positioning wheels (21) and a plurality of positioning assemblies (22), wherein the positioning wheels (21) are adapted to abut against the horizontal sides of the photovoltaic frame (1), and the positioning assemblies (22) are adapted to abut against the longitudinal sides of the photovoltaic frame (1).

10. The photovoltaic module chamfering device according to claim 9, characterized in that: The positioning assembly (22) includes a telescopic cylinder (221) and an abutting wheel (222); the movable seat (31) is connected to the output end of the telescopic cylinder (221); the abutting wheel (222) is arranged on the movable seat (31); the telescopic cylinder (221) is suitable for driving the movable seat (31) to approach or move away from the frame corner (11), so that when the movable seat (31) approaches the frame corner (11), the abutting wheel (222) is abutted against the longitudinal edge of the photovoltaic frame (1).

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