CN111987186A - A device for removing the backplane of a photovoltaic module - Google Patents

Abstract

The invention provides a device for removing a photovoltaic module backplane, belonging to the technical field of photovoltaic module repairing, comprising a support mechanism, an electric suction cup, a removal mechanism and a controller; the support mechanism is provided with a slider that can slide in a horizontal direction and a vertical direction ; The electric suction cup is fixed on the slider, and the electric suction cup contacts the glass in the photovoltaic module; The thermal component is used to heat the back plate in the photovoltaic module. The preliminary processing component is provided with a saw blade, the rough processing component is provided with a wire brush, and the finishing component is provided with a molybdenum wire; the controller is electrically connected and controls the support mechanism, the electric suction cup and the removal mechanism. The device for removing the backboard of the photovoltaic module provided by the invention has a simple structure and is easy to operate, can cleanly remove the backboard in the photovoltaic module, and can improve the removal efficiency of the backboard in the photovoltaic module.

Description

A device for removing the backplane of a photovoltaic module

technical field

The invention belongs to the technical field of photovoltaic component repair, and more particularly relates to a device for removing the backplane of photovoltaic components.

Background technique

Photovoltaic power generation is a power generation technology that uses the photovoltaic effect of the semiconductor interface to directly convert solar energy into electrical energy. At present, photovoltaic power generation has received extensive attention from all over the world and has developed into a new industry. Photovoltaic modules are one of the most important equipment of photovoltaic power plants. Common photovoltaic modules are usually composed of glass, adhesive layer, cell, adhesive layer and backsheet in turn. The glass and backsheet wrap the cell in order to prevent the cell from being damaged by the outside world. Because the backsheet is in constant contact with the external environment and It can reflect sunlight, improve the conversion efficiency of photovoltaic modules, and has high infrared emissivity, which can reduce the temperature of the modules. Therefore, the backsheet is usually the first to be damaged in the photovoltaic module, and the damaged backsheet will reduce the power generation efficiency of the photovoltaic module. , in order to avoid unnecessary waste, the backplane needs to be replaced by taking the damaged photovoltaic modules back to the workshop, but the common replacement efficiency is to manually tear off the backplane, which wastes a lot of manpower and material resources. The replacement efficiency is not high, even if the mechanical removal method is adopted, it still requires human participation. Although the efficiency is improved, this semi-automatic and semi-manual removal method brings potential danger to workers, so a comprehensive Automated backplane removal device.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a device for removing the backsheet of a photovoltaic module, which is intended to be able to fully automate the removal of the backsheet in the photovoltaic module by mechanical means, and to improve the removal efficiency of the backsheet.

In order to achieve the above purpose, the technical solution adopted in the present invention is to provide a device for removing the backplane of a photovoltaic module, including a support mechanism, an electric suction cup, a removal mechanism and a controller; The slider; the electric suction cup is fixed on the slider, and the electric suction cup is used to absorb the photovoltaic components and contact the glass in the photovoltaic components; the removal mechanism is arranged below the slider, and the removal mechanism is provided with A preheating assembly, a preliminary machining assembly, a rough machining assembly and a finishing machining assembly are arranged in sequence along the horizontal sliding direction of the slider, the preheating assembly is used to heat the back plate in the photovoltaic assembly, and the preliminary machining assembly is provided with a For the saw blade for dividing the backing plate, the roughing component is provided with a wire brush for cutting the backing plate, and the finishing component is provided with a molybdenum wire for removing the residual backing plate slag; control A device is electrically connected to and controls the support mechanism, the electric suction cup and the removal mechanism.

As another embodiment of the present application, the support mechanism is further provided with a frame, a connecting plate, a horizontal sliding component and a vertical sliding component; the connecting plate is horizontally slidable on the frame and the sliding direction is the same as the horizontal sliding of the slider The directions are the same; the horizontal sliding component is fixed on the frame and used to drive the connecting plate to slide; the vertical lifting component is fixed on the connecting plate and used to drive the sliding block to slide in the vertical direction.

As another embodiment of the present application, the connecting plate is provided with threaded holes, the horizontal sliding assembly includes a drive motor and a lead screw; the drive motor is fixed on the frame and is electrically connected to the controller; the lead screw is fixed on the output shaft of the driving motor and passing through the threaded hole.

As another embodiment of the present application, the vertical lift assembly is an electric push rod, the electric push rod is fixed on the connecting plate and is electrically connected to the controller, and the push top of the electric push rod is connected to the electric push rod. The slider is fixedly connected.

As another embodiment of the present application, the preheating assembly is provided with a first support, a grinding plate and a first motor; the grinding plate is rotatably arranged on the first support and the rotation axis is perpendicular to the horizontal plane, and the grinding plate can be connected with the horizontal plane. The back plate is in contact; a first motor is fixed on the first bracket and drives the grinding plate to rotate through a belt drive, and the first motor is electrically connected to the controller.

As another embodiment of the present application, the preliminary processing assembly is further provided with a second bracket and a second motor; the second bracket is rotatably connected with the saw blade, and the rotation axis of the saw blade is parallel to the horizontal plane and parallel to the The horizontal sliding direction of the slider is vertical; a second motor is fixed on the second bracket and drives the saw blade to rotate through a belt drive, and the second motor is electrically connected to the controller.

As another embodiment of the present application, the saw blades are multiple and are uniformly distributed in multiple rows and multiple columns in the horizontal plane.

As another embodiment of the present application, the rough machining assembly is further provided with a third bracket and a third motor; the third bracket is rotatably connected to the wire brush, and the rotation axis of the wire brush is perpendicular to the horizontal plane; the third motor is fixed The third motor is arranged on the third bracket and drives the wire brush to rotate through a belt drive, and the third motor is electrically connected to the controller.

As another embodiment of the present application, the finishing assembly is further provided with a fourth bracket, a guide wheel, a driving wheel and a fourth motor; the guide wheel is rotatably arranged at both ends of the fourth bracket, and the rotation axis is connected with the sliding The horizontal sliding direction of the block is parallel; the driving wheel is rotatably arranged on the fourth bracket and is parallel to the rotation axis of the guide wheel, and the molybdenum wire is wound on the guide wheel and the driving wheel; the fourth motor It is fixed on the fourth bracket and drives the driving wheel to rotate through a belt drive, and the fourth motor is electrically connected to the controller.

As another embodiment of the present application, there are multiple electric suction cups and are evenly distributed on the slider.

The beneficial effect of the device for removing the backplane of a photovoltaic module provided by the present invention is that, compared with the prior art, the support mechanism is provided with a sliding block that can slide in the horizontal direction and the vertical direction, and the electric suction cup is fixedly arranged on the sliding block. Therefore, the electric suction cup can also slide in the horizontal and vertical directions; the electric suction cup realizes the suction or release of the photovoltaic modules under the control of the controller, which facilitates the grasping of the photovoltaic modules. and placement; the removal mechanism is set below the slider as a whole, that is, below the backplane in the photovoltaic module, and the preheating component in the removal mechanism can heat the backplane, because the space between the backplane and the cells in the photovoltaic module The adhesive is in the form of liquid when the temperature is high, which makes it easier to separate the backplane from the cell. A saw blade is set in the primary processing module, and the saw blade can cut the backplane into pieces. At this time, the backplane is still adhered to the photovoltaic module. However, there is a groove on the back plate; a wire brush is set in the roughing component, and the wire brush is used to cut off the back plate on the photovoltaic module. The back plate is removed; molybdenum wires are arranged in the finishing components, and the molybdenum wires are used to remove the back plate residues that may remain on the photovoltaic modules; various forms of back plate removal components are set to ensure that the photovoltaic modules are driven by the slider. The backplane can be thoroughly and cleanly removed, thereby improving the removal efficiency of the backplane. The device for removing the back plate of a photovoltaic module provided by the invention has a simple structure and is easy to operate, can cleanly remove the back plate in the photovoltaic module, and can improve the removal efficiency of the back plate in the photovoltaic module.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a device for removing a photovoltaic module backplate according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the preheating assembly in FIG. 1;

Fig. 3 is the top view of Fig. 2;

FIG. 4 is a schematic structural diagram of the preliminary processing assembly in FIG. 1;

Fig. 5 is the top view of Fig. 4;

FIG. 6 is a schematic structural diagram of the rough machining assembly in FIG. 1;

Fig. 7 is the top view of Fig. 6;

FIG. 8 is a schematic structural diagram of the finishing assembly in FIG. 1;

FIG. 9 is a left side view of FIG. 8 .

In the picture:

1. Supporting mechanism; 2. Electric suction cup; 3. Preheating component; 4. Pre-processing component; 5. Roughing component; 6. Finishing component; 7. Camera; 8. Reclaiming table; 9. Discharging table; 10. Chip collection groove;

11, slider; 12, frame; 13, connecting plate; 14, drive motor; 15, lead screw; 16, electric push rod;

31, the first bracket; 32, the grinding plate; 33, the first motor;

41, the second bracket; 42, the saw blade; 43, the second motor;

51, the third bracket; 52, the wire brush; 53, the third motor;

61, the fourth bracket; 62, the molybdenum wire; 63, the guide wheel; 64, the driving wheel; 65, the fourth motor.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

Referring to FIG. 1 , a device for removing the backplane of a photovoltaic module provided by the present invention will now be described. The device for removing the backplane of a photovoltaic module includes a support mechanism 1, an electric suction cup 2, a removal mechanism and a controller; the support mechanism 1 is provided with a slider 11 that can slide in the horizontal and vertical directions; the electric suction cup 2 is fixed. Set on the slider 11, the electric suction cup 2 is used to absorb the photovoltaic modules and contact with the glass in the photovoltaic modules; the removal mechanism is arranged below the slider 11, and the removal mechanism is provided with preheating in parallel along the horizontal sliding direction of the slider 11. The component 3, the preliminary processing component 4, the rough processing component 5 and the finishing component 6, the preheating component 3 is used to heat the back plate in the photovoltaic module, and the preliminary processing component 4 is provided with a saw blade 42 for dividing the back plate into blocks, The rough machining assembly 5 is provided with a wire brush 52 for cutting the back plate, and the finishing assembly 6 is provided with a molybdenum wire 62 for removing the residual back plate slag; the controller is electrically connected to and controls the support mechanism 1, the electric suction cup 2 and the removal mechanism.

The present invention provides a device for removing the backplane of a photovoltaic module. Compared with the prior art, the support mechanism 1 is provided with a slider 11 that can slide in the horizontal and vertical directions, and the electric suction cup 2 is fixedly arranged on the slider. 11, so the electric suction cup 2 can also slide in the horizontal and vertical directions; the electric suction cup 2 can suck or release the photovoltaic modules under the control of the controller, which is convenient for the installation of the photovoltaic modules. Grab and place; the removal mechanism is set below the slider 11 as a whole, that is, below the backplane in the photovoltaic module, and the preheating component 3 in the removal mechanism can heat the backplane. The adhesive between the cells takes the form of liquid when the temperature is high, which makes it easier to separate the backplane from the cells. A saw blade 42 is provided in the preliminary processing component 4, and the saw blade 42 can cut the backplane into pieces. The plate is still adhered to the photovoltaic module, but there are grooves on the back plate; a wire brush 52 is provided in the roughing module 5, and the wire brush 52 is used to cut off the back plate on the photovoltaic module. The steel wire in the wire brush 52 can stretch into the groove cut by the saw blade 42 and cut off the back plate; molybdenum wire 62 is arranged in the finishing component 6, and the molybdenum wire 62 is used to remove the back plate residue that may remain on the photovoltaic module; various forms of The backplane removal component ensures that the photovoltaic component can completely and cleanly remove the backplane under the driving of the slider 11, thereby improving the removal efficiency of the backplane.

In this embodiment, a camera 7 is also included. The camera 7 is fixedly arranged in the support mechanism 1 through a telescopic rod and can be moved in space. The camera 7 is electrically connected to the controller, and the camera 7 is used to observe the removal of the backplane, and The feedback is on the controller, so that the on-site personnel can make adjustments in time to ensure that the backplane on the photovoltaic modules can be removed cleanly.

In this embodiment, it also includes a reclaiming table 8 and a discharging table 9. The reclaiming table 8 is used to hold the photovoltaic modules whose backplane has not been removed, and the discharging table 9 is used to hold the photovoltaic modules after the backplane has been removed. On the reclaiming table 8, the photovoltaic modules are in the form of stacking, and the photovoltaic modules are all placed in the form of the glass layer facing up and the backing layer facing down. On the discharging table 9, the photovoltaic modules are also stacked in the form of glass layers In the form of layer-upward placement, both the reclaiming table 8 and the discharging table 9 are arranged within the stroke of the slider 11 in the horizontal direction.

In this embodiment, a chip collecting groove 10 is also included. The chip collecting groove 10 is arranged below the preheating component 3, the preliminary machining component 4, the rough machining component 5 and the finishing component 6, and is mainly used for collecting the chips in the process of removing the backing plate. Waste chips, to avoid waste chips floating around in the workshop and polluting the environment of the workshop.

As a specific embodiment of the device for removing the backplane of a photovoltaic module provided by the present invention, please refer to FIG. 1 , the support mechanism 1 is further provided with a frame 12, a connecting plate 13, a horizontal sliding component and a vertical lifting component; the connecting plate 13. The horizontal sliding component is installed on the frame 12 and the sliding direction is the same as the horizontal sliding direction of the slider 11; the horizontal sliding component is fixed on the frame 12 and is used to drive the connecting plate 13 to slide; the vertical lifting component is fixed on the connecting plate 13 and used For the sliding of the sliding block 11 in the vertical direction. A frame 12 is also provided in the support mechanism 1, the frame 12 is composed of a beam and a column welded, the connecting plate 13 is slidably arranged on the beam of the frame 12, and the horizontal sliding component is fixedly arranged on the frame 12, and can drive the connecting plate 13 on the frame 12. The vertical lifting assembly is fixedly arranged on the connecting plate 13 and is used to drive the sliding block 11 to slide in the vertical direction. This setting method realizes the vertical and horizontal direction of the sliding block 11. Swipe form. In order to improve the degree of automation, the horizontal sliding assembly and the vertical lifting assembly can be electrically connected to the controller.

As a specific embodiment of the device for removing the back plate of a photovoltaic module provided by the present invention, please refer to FIG. 1 , the connecting plate 13 is provided with threaded holes, and the horizontal sliding assembly includes a driving motor 14 and a lead screw 15; the driving motor 14 is fixed It is arranged on the frame 12 and is electrically connected to the controller; the lead screw 15 is fixed on the output shaft of the driving motor 14 and penetrates through the threaded hole. A threaded hole is opened on the connecting plate 13 , the axis of the threaded hole is in the same direction as the horizontal sliding direction of the slider 11 , the driving motor 14 is fixedly arranged on the frame 12 , and the output shaft of the driving motor 14 is fixedly connected with a lead screw 15. The lead screw 15 passes through the threaded hole on the connecting plate 13. When the drive motor 14 drives the lead screw 15 to rotate, the lead screw 15 will push the connecting plate 13 to slide on the frame 12, and the drive motor 14 is electrically connected to the controller to achieve automated control. Such an arrangement realizes the sliding of the slider 11 in the horizontal direction and the stillness at any point in the stroke.

As a specific embodiment of the device for removing the backplane of a photovoltaic module provided by the present invention, referring to FIG. 1 , the vertical lifting component is an electric push rod 16 , and the electric push rod 16 is fixed on the connecting plate 13 and is electrically connected to control The push end of the electric push rod 16 is fixedly connected with the slider 11 . The vertical lifting component is selected as the electric push rod 16, and the electric push rod 16 is electrically connected to the controller. This method can reduce the complexity of the structure to realize the vertical lifting of the slider 11, and the electrical control is faster and more timely. . In order to ensure that the push top of the electric push rod 16 and the slider 11 can be easily disassembled, the electric push rod 16 and the slider 11 can be connected in a detachable manner.

As a specific embodiment of the device for removing the backplane of a photovoltaic module provided by the present invention, please refer to FIG. 2 to FIG. 3 , the preheating component 3 is provided with a first bracket 31 , a grinding plate 32 and a first motor 33 ; The plate 32 is rotatably arranged on the first bracket 31 and the axis of rotation is perpendicular to the horizontal plane, the grinding plate 32 can be in contact with the back plate; the first motor 33 is fixed on the first bracket 31 and drives the grinding plate 32 to rotate by means of a belt drive, The first motor 33 is electrically connected to the controller. A first support 31 is arranged inside the preheating assembly 3, the grinding plate 32 is rotatably arranged on the first support 31 and the rotation axis is in the vertical plane. Friction with the backplane generates heat, and the heat increases the temperature of the backplane, so that the adhesive layer between the backplane and the battery sheet melts a little, which is easier to remove in the subsequent process; the first motor 33 is fixedly arranged on the first bracket 31, and drive the grinding plate 32 to rotate by means of belt transmission. The belt transmission method can make the conveyor belt slip on the pulley while the grinding plate 32 is subjected to greater resistance, preventing the first motor 33 from being damaged, and also facing the back. The plate and the lapping plate 32 act as protection, increasing the service life of the entire device.

As a specific embodiment of the device for removing the backplane of a photovoltaic module provided by the present invention, please refer to FIG. 4 to FIG. 5 , the preliminary processing component 4 is further provided with a second bracket 41 and a second motor 43 ; the second bracket 41 It is rotatably connected with the saw blade 42, and the rotation axis of the saw blade 42 is parallel to the horizontal plane and perpendicular to the horizontal sliding direction of the slider 11; the second motor 43 is fixed on the second bracket 41 and drives the saw blade 42 through a belt drive. Rotating, the second motor 43 is electrically connected to the controller. A square hole is opened on the second bracket 41, and a rotating shaft is set in the square hole, the saw blade 42 is fixed on the rotating shaft, and a pulley whose outer diameter is smaller than the outer diameter of the saw blade 42 is fixed on the rotating shaft, and then the second motor 43 is driven by the belt The driving form drives the pulley coaxial with the saw blade 42 to rotate, the second motor 43 is fixedly arranged on the second bracket 41 and is electrically connected to the controller, the worker can control the second motor 43 through the controller, and finally can control The rotation and rotation speed of the saw blade 42 improve the automation degree of the whole device. The highest point of the tangent circle formed by the saw blade 42 when it rotates should be in the adhesive layer between the backplane and the battery sheet in the photovoltaic module, so as to ensure that the saw blade 42 can completely carry out the backplane during the rotation process. dicing, and also prevents the saw blade 42 from cutting into the battery slices.

In this embodiment, in order to ensure that the saw blade 42 can divide the back plate on the photovoltaic module into multiple pieces, so that the wire brush 52 in the subsequent rough machining assembly 5 can cut off the back plate conveniently and quickly, the saw blade 42 is multiple and In the horizontal plane, it is in the form of multiple rows and multiple columns. In such a setting form, multiple second motors 43 need to be set up to correspond, and the drive form of the multiple saw blades 42 is still driven by the form of belt drive.

As a specific embodiment of the device for removing the backplane of a photovoltaic module provided by the present invention, please refer to FIG. 6 to FIG. 7 , the rough machining component 5 is further provided with a third bracket 51 and a third motor 53 ; the third bracket 51 It is rotatably connected with the wire brush 52, and the rotation axis of the wire brush 52 is vertical and horizontal; the third motor 53 is fixed on the third bracket 51 and drives the wire brush 52 to rotate through a belt drive, and the third motor 53 is electrically connected to the controller. The highest point of the steel wire in the wire brush 52 can only extend into the adhesive layer between the backplane and the cell in the photovoltaic module, so as to ensure that the wire brush 52 can completely remove the backplane during the rotation process. , it can also ensure that the cells in the photovoltaic module will not be damaged; in order to ensure the removal effect of the wire brush 52, you can choose the situation where the wires on the wire brush 52 are arranged disorderly, but the tops of all the wires are flush, and the wires are arranged without any order. The sequenced situation ensures that the back plate can be completely removed when the wire brush 52 is rotated.

As a specific embodiment of the device for removing the back plate of a photovoltaic module provided by the present invention, please refer to FIGS. 8 to 9 , the finishing component 6 is further provided with a fourth bracket 61 , a guide wheel 63 , a driving wheel 64 and a Four motors 65; the guide wheels 63 are rotatably arranged on both ends of the fourth bracket 61 and the axis of rotation is parallel to the horizontal sliding direction of the slider 11; In parallel, the molybdenum wire 62 is wound around the guide wheel 63 and the driving wheel 64; the fourth motor 65 is fixed on the fourth bracket 61 and drives the driving wheel 64 to rotate through a belt drive, and the fourth motor 65 is electrically connected to the controller. The controller controls the fourth motor 65, the output shaft of the fourth motor 65 is fixedly connected with a pulley, and a pulley is also set on the rotating shaft of the driving wheel 64, and then the fourth motor 65 drives the driving wheel through a belt drive. 64 rotates, the molybdenum wire 62 is wound on the driving wheel 64 and is wound in multiple turns, and then the molybdenum wire 62 is passed around the guide wheel 63. The molybdenum wire 62 is always in motion and the direction of movement is always the same as the slider 11. The horizontal sliding direction is vertical. When the molybdenum wire 62 is just in contact with the cell in the photovoltaic module and the adhesive layer in front of the backplane, it can ensure that the molybdenum wire 62 can remove the backplane residue and avoid damage to the cell. .

As a specific embodiment of the device for removing the backplane of a photovoltaic module provided by the present invention, please refer to FIG. Arranging the electric suction cups 2 in a plurality of forms can ensure that the electric suction cups 2 can firmly adsorb the photovoltaic components, and prevent the electric suction cups 2 from being detached from the electric suction cups 2 in the process of removing the back plate.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (10)

1. A device for removing a photovoltaic module backplane, characterized in that, comprising: The support mechanism is provided with a slider that can slide in the horizontal and vertical directions; an electric suction cup, fixed on the slider, the electric suction cup is used for sucking the photovoltaic module and in contact with the glass in the photovoltaic module; A removal mechanism is arranged below the slider, and the removal mechanism is provided with a preheating assembly, a preliminary machining assembly, a rough machining assembly and a finishing assembly that are arranged in sequence along the horizontal sliding direction of the slider, and the preheating assembly For heating the back plate in the photovoltaic module, the preliminary machining component is provided with a saw blade for dividing the back plate, the rough machining component is provided with a wire brush for cutting the back plate, the The finishing assembly is provided with molybdenum wires for the removal of residual backing slag; and A controller is electrically connected to and controls the support mechanism, the electric suction cup and the removal mechanism. 2 . The device for removing the backplane of a photovoltaic module according to claim 1 , wherein the support mechanism is further provided with: frame; a connecting plate, which is horizontally slidable on the frame and whose sliding direction is the same as the horizontal sliding direction of the slider; a horizontal sliding assembly fixed on the frame and used for driving the connecting plate to slide; and The vertical lifting assembly is fixed on the connecting plate and used to drive the sliding block to slide in the vertical direction. 3 . The device for removing the back plate of a photovoltaic module according to claim 2 , wherein the connecting plate is provided with threaded holes, and the horizontal sliding assembly comprises: 3 . a drive motor fixed on the frame and electrically connected to the controller; and The lead screw is fixed on the output shaft of the driving motor and passes through the threaded hole. 4 . The device for removing the backplane of a photovoltaic module according to claim 2 , wherein the vertical lifting component is an electric push rod, and the electric push rod is fixed on the connecting plate and is electrically connected. 5 . In the controller, the push top of the electric push rod is fixedly connected with the slider. 5. The device for removing the backplane of a photovoltaic module according to claim 1, wherein the preheating module is provided with: the first bracket; a grinding plate, which is rotatably arranged on the first support and whose rotation axis is perpendicular to the horizontal plane, the grinding plate can be in contact with the back plate; and The first motor is fixed on the first bracket and drives the grinding plate to rotate through a belt drive, and the first motor is electrically connected to the controller. 6 . The device for removing the backplane of a photovoltaic module according to claim 1 , wherein the preliminary processing module is further provided with: a second bracket, rotatably connected with the saw blade, the rotation axis of the saw blade is parallel to the horizontal plane and perpendicular to the horizontal sliding direction of the slider; and A second motor is fixed on the second bracket and drives the saw blade to rotate through a belt drive, and the second motor is electrically connected to the controller. 7 . The device for removing the back plate of a photovoltaic module according to claim 6 , wherein the saw blades are multiple and are in the form of multiple rows and multiple columns in a horizontal plane. 8 . 8 . The device for removing the back plate of a photovoltaic module according to claim 1 , wherein the rough machining component is further provided with: a third bracket, rotatably connected with the wire brush, the axis of rotation of the wire brush being perpendicular to the horizontal plane; and A third motor is fixed on the third bracket and drives the wire brush to rotate through a belt drive, and the third motor is electrically connected to the controller. 9 . The device for removing the backplane of a photovoltaic module according to claim 1 , wherein the finishing component is further provided with: the fourth bracket; a guide wheel, which is rotatably arranged at both ends of the fourth bracket and whose rotation axis is parallel to the horizontal sliding direction of the slider; a driving wheel, which is rotatably arranged on the fourth bracket and is parallel to the rotation axis of the guide wheel, and the molybdenum wire is wound around the guide wheel and the driving wheel; and A fourth motor is fixed on the fourth bracket and drives the driving wheel to rotate through a belt drive, and the fourth motor is electrically connected to the controller. 10 . The device for removing the backplane of a photovoltaic module according to claim 1 , wherein the electric suction cups are multiple and are evenly distributed on the slider. 11 .

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