Back plate feeding device

Abstract

The utility model discloses a back plate feeding device. The backboard feeding device comprises a bearing platform, a lifting mechanism and a conveying mechanism. The lifting mechanism is connected with the bearing platform and used for driving the bearing platform to ascend and descend. The conveying mechanism is used for conveying a back plate to a working station above the bearing platform in the first direction. A bearing surface used for supporting a back plate is formed at the top of the bearing platform, and a first avoiding channel used for avoiding the conveying mechanism in the vertical direction is formed in the bearing platform; in the vertical direction, the projection of the back plate located at the working station is located within the projection range of the bearing platform. By means of the supporting device, reliable and stable supporting can be provided for the back plate in the process of installing the reflective film on the working station, and meanwhile the accuracy of the reflective film in the installing process can be improved; and through the arrangement of the first avoiding channel, interference between the bearing platform and the conveying mechanism during lifting can be avoided.

Description

Technical Field

[0001] The present application relates to the technical field of photovoltaic modules, and particularly to a backplane loading device. Background Art

[0002] In order to increase the irradiation area of sunlight on photovoltaic modules and improve the photoelectric conversion amount, many manufacturers have begun to set reflective films on the backplanes of photovoltaic modules. The reflective films can effectively reflect the sunlight passing through the gaps between the battery cells onto the battery cells, thereby making full use of the sunlight irradiated on the photovoltaic modules and improving the photoelectric conversion rate. Currently, the conveying of photovoltaic backplanes is carried out using a production line, which includes a support frame body and two parallel conveyor belts arranged on the frame body. When pasting the reflective film, it is generally carried out directly on the production line.

[0003] The conveyor belts in the production line are generally relatively narrow, and in order to reduce the occupation of space, the distance between the two conveyor belts is also relatively small. Therefore, during the process of conveying the photovoltaic backplane, the photovoltaic backplane can only be supported and conveyed at the central part of the photovoltaic backplane. Since the photovoltaic backplane is relatively large, during the conveying process, the photovoltaic backplane will deform under the influence of its own gravity, thereby affecting the film pasting effect. Summary of the Utility Model

[0004] The present application aims to at least solve one of the technical problems existing in the prior art. For this purpose, the present application provides a backplane loading device to solve the problem that the backplane cannot be reliably supported and is prone to deformation when installing the reflective film.

[0005] The present application provides a backplane loading device, which includes: a supporting platform, a lifting mechanism, and a conveying mechanism;

[0006] The lifting mechanism is connected to the supporting platform and is used to drive the supporting platform to lift;

[0007] The conveying mechanism is used to convey the backplane along a first direction to a working station above the supporting platform;

[0008] The top of the supporting platform forms a supporting surface for supporting the backplane, and a first avoidance channel for avoiding the conveying mechanism is opened on the supporting platform in the vertical direction;

[0009] In the vertical direction, the projection of the backplane located at the working station is within the projection range of the supporting platform.

[0010] Based on the above-mentioned backboard loading device, through the setting of the supporting platform and the lifting mechanism, after the conveying mechanism transports the backboard to the work station, the supporting platform can be lifted upward so that the backboard is separated from the conveying mechanism and supported by the supporting surface on the supporting platform, or the backboard is supported by the conveying mechanism and the supporting platform at the same time, thereby providing reliable and stable support for the backboard during the installation of the reflective film at the work station, and at the same time improving the accuracy of the reflective film during installation; through the setting of the first avoidance channel, the supporting platform can be prevented from interfering with the conveying mechanism during lifting and lowering, so that the supporting platform can pass through the conveying mechanism from a position lower than the conveying mechanism to a position higher than the conveying mechanism. When the supporting platform is in a position lower than the conveying mechanism, it can avoid affecting the conveying of the backboard by the conveying mechanism. When the supporting platform rises to a position flush with or higher than the top surface of the conveying mechanism, the supporting surface on the supporting platform can be used to form a reliable and stable support for the backboard.

[0011] Optionally, the supporting platform includes at least two supporting plates arranged along the second direction, and the gap formed between two adjacent supporting plates forms the first avoidance channel; the first direction and the second direction are both perpendicular to the vertical direction, and the second direction is perpendicular to the first direction.

[0012] Optionally, the supporting platform also includes a supporting bracket, all the supporting plates are mounted on the supporting bracket, the lifting mechanism is connected to the supporting bracket, and is used to drive the supporting bracket to rise and fall; or, the number of the lifting mechanisms is the same as the number of the supporting plates, and the lifting mechanisms are connected to the supporting plates one-to-one, and the lifting mechanism is used to drive the corresponding supporting plates to rise and fall.

[0013] Based on the above-mentioned back plate loading device, all independent support plates can be connected in series through a support bracket, and the lifting mechanism drives the support bracket and all support plates to lift and lower together, thereby ensuring the synchronization of the lifting and lowering of all support plates. All independent support plates can also be connected through corresponding independent lifting mechanisms, and the lifting and lowering action of each support plate can be independently controlled.

[0014] Optionally, the lifting mechanism includes a lifting drive member and a transmission member;

[0015] The first end of the transmission member is connected to the lifting drive member, and the second end of the transmission member is connected to the supporting bracket;

[0016] Alternatively, at least one transmission member is provided between each supporting plate and the lifting drive member.

[0017] Optionally, the conveying mechanism includes at least two conveying belts evenly arranged along the second direction, and at least a portion of the supporting surface is located between two adjacent conveying belts.

[0018] Optionally, the width of the conveyor belt in the second direction matches the width of the corresponding first avoidance channel in the second direction.

[0019] Optionally, at least one end of the conveyor belt in the first direction protrudes beyond the side edge of the supporting platform.

[0020] Optionally, the backplane loading device further includes a rectifying mechanism, which is arranged on at least two opposite side edges of the working station and is used to rectify the backplane located at the working station.

[0021] Based on the above rectifying mechanism, the rectifying mechanism can rectify the backplane in the first direction to make the two side edges of the backplane in the first direction flush with the two side edges of the working station in the first direction. The rectifying mechanism can also rectify the backplane in the second direction to make the two side edges of the backplane in the second direction flush with the two side edges of the working station in the second direction. The rectifying mechanism can also rectify the backplane in the first direction and the second direction respectively or simultaneously to make it accurately aligned with the four side edges of the working station. Specifically, the rectifying method can be to push the side edge of the backplane to make the backplane slide on the supporting plate until the backplane is displaced to the set position.

[0022] Optionally, the rectifying mechanism includes a first rectifying component and a second rectifying component;

[0023] The first rectifying component includes first rectifying members symmetrically arranged on both sides of the working station in the first direction and a first rectifying driving member for driving the first rectifying members on both sides to approach or move away from each other. The second rectifying component includes second rectifying members symmetrically arranged on both sides of the working station in the second direction and a second rectifying driving member for driving the second rectifying members on both sides to approach or move away from each other.

[0024] Optionally, the rectifying mechanism further includes a rectifying lifting component,

[0025] A second avoidance channel for avoiding the first rectifying member is formed on the supporting platform in the vertical direction and the first direction,

[0026] and / or,

[0027] A third avoidance channel for avoiding the second rectifying member is formed on the supporting platform in the vertical direction and the second direction;

[0028] The rectifying lifting component is used to drive the first rectifying component and / or the second rectifying component to lift.

[0029] One or more of the above embodiments of the present application have at least one or more of the following beneficial effects:

[0030] By setting the supporting platform and the lifting mechanism, after the conveying mechanism transports the backboard to the work station, the supporting platform can be lifted upward so that the backboard is separated from the conveying mechanism and supported by the supporting surface on the supporting platform, or the backboard is supported by the conveying mechanism and the supporting platform at the same time, thereby providing reliable and stable support for the backboard during the installation of the reflective film at the work station, and at the same time improving the accuracy of the reflective film during installation; by setting the first avoidance channel, the supporting platform can be prevented from interfering with the conveying mechanism during lifting and lowering, so that the supporting platform can pass through the conveying mechanism from a position lower than the conveying mechanism to a position higher than the conveying mechanism, and when the supporting platform is in a position lower than the conveying mechanism, it can avoid affecting the conveying of the backboard by the conveying mechanism, and when the supporting platform rises to a position flush with or higher than the top surface of the conveying mechanism, it can use the supporting surface on the supporting platform to form reliable and stable support for the backboard.

[0031] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The disclosure of this application will be more easily understood with reference to the accompanying drawings. Those skilled in the art will readily appreciate that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this application. Furthermore, similar numbers in the figures represent similar components, where:

[0033] Figure 1 This is a schematic structural diagram of a backsheet loading device in one embodiment of the present application;

[0034] Figure 2 for Figure 1 A top view of

[0035] Figure 3 for Figure 1 Front view of

[0036] Figure 4 for Figure 1 Side view of;

[0037] Figure 5 This is a schematic structural diagram of the conveying mechanism and the regularizing mechanism in one of the embodiments of the present application.

[0038] Description of Reference Numerals

[0039] 1. Supporting platform; 11. Supporting plate; 111. Supporting surface; 1111. Working station; 12. First avoidance channel; 13. Supporting bracket; 2. Conveying mechanism; 21. Conveyor belt; 3. Lifting mechanism; 31. Lifting drive member; 32. Transmission member; 4. Structuring mechanism; 41. First strutting assembly; 411. First strutting member; 412. First strutting drive member; 42. Second strutting assembly; 421. Second strutting member; 422. Second strutting drive member; 431. Second avoidance channel; 432. Third avoidance channel. DETAILED DESCRIPTION

[0040] Some embodiments of the present application are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application and are not intended to limit the scope of protection of the present application.

[0041] Currently, when applying reflective film to the backboard of a photovoltaic module, the backboard is often first transported to a work station via a conveyor belt, and then the reflective film is installed on the backboard according to the set method, and then the backboard is transported to the next work station. Since the backboard itself is a thin plate structure, the conveyor belt cannot provide reliable support for the bottom of the backboard, which can easily cause the backboard to deform during the installation of the reflective film, thereby affecting the installation effect of the reflective film.

[0042] The present application will be described in detail below through specific embodiments.

[0043] Based on this, the present application provides a backboard loading device, which, through the arrangement of a supporting platform and a lifting mechanism, can, after the conveying mechanism transports the backboard to the work station, lift the supporting platform upward so that the backboard is separated from the conveying mechanism and supported by the supporting surface on the supporting platform, or the backboard is supported by the conveying mechanism and the supporting platform at the same time, thereby providing reliable and stable support for the backboard during the installation of the reflective film at the work station, and at the same time improving the accuracy of the reflective film during installation; through the arrangement of a first avoidance channel, it can avoid interference between the supporting platform and the conveying mechanism during lifting and lowering, so that the supporting platform can pass through the conveying mechanism from a position lower than the conveying mechanism to a position higher than the conveying mechanism. When the supporting platform is in a position lower than the conveying mechanism, it can avoid affecting the conveying of the backboard by the conveying mechanism. When the supporting platform rises to a position flush with or higher than the top surface of the conveying mechanism, it can use the supporting surface on the supporting platform to form a reliable and stable support for the backboard.

[0044] In one implementation, the conveying mechanism includes a conveying support and a roller assembly mounted on the conveying support. The roller assembly is connected to the conveyor belt to support and drive the conveyor belt for conveying. The conveying mechanism uses a motor to drive the roller to rotate, and the roller drives the conveyor belt for conveying.

[0045] ReferenceFigures 1 to 5 As shown, the present application provides a backboard loading device, which includes: a supporting platform 1, a lifting mechanism 3 and a conveying mechanism 2; the lifting mechanism 3 is connected to the supporting platform 1 and is used to drive the supporting platform 1 to rise and fall; the conveying mechanism 2 is used to convey the backboard along a first direction to a working station 1111 above the supporting platform 1 (refer to Figure 2 The top of the supporting platform 1 forms a supporting surface 111 for supporting the backboard, and the supporting platform 1 is provided with a first avoidance channel 12 in the vertical direction for avoiding the conveying mechanism 2; in the vertical direction, the projection of the backboard located at the working station 1111 is located within the projection range of the supporting platform 1.

[0046] In one implementation, the backboard loading device provided in the present application, through the arrangement of the supporting platform 1 and the lifting mechanism 3, can, after the conveying mechanism 2 transports the backboard to the working station 1111, lift the supporting platform 1 upwards so that the backboard is separated from the conveying mechanism 2 and supported by the supporting surface 111 on the supporting platform 1, or the backboard is supported by the conveying mechanism 2 and the supporting platform 1 at the same time, thereby providing reliable and stable support for the backboard during the installation of the reflective film at the working station 1111, and at the same time improving the accuracy of the reflective film during installation; By setting up the first avoidance channel 12, the supporting platform 1 can avoid interference with the conveying mechanism 2 during lifting and lowering, so that the supporting platform 1 can pass through the conveying mechanism 2 from a position lower than the conveying mechanism 2 to a position higher than the conveying mechanism 2. When the supporting platform 1 is at a position lower than the conveying mechanism 2, it can avoid affecting the conveying of the back plate by the conveying mechanism 2. When the supporting platform 1 rises to a position flush with or higher than the top surface of the conveying mechanism 2, the supporting surface 111 on the supporting platform 1 can form a reliable and stable support for the back plate.

[0047] In one implementation, the supporting platform may be a supporting frame composed of a frame or a supporting plate provided on the top of the frame, and the backboard is supported by the plate.

[0048] Continue to refer to Figures 1 to 3As shown, in some embodiments, the supporting platform 1 includes at least two supporting plates 11 arranged in the second direction, and a gap formed between two adjacent supporting plates 11 forms a first avoidance channel 12; both the first direction and the second direction are perpendicular to the vertical direction, and the second direction is perpendicular to the first direction; by arranging at least two supporting plates 11, a gap (first avoidance channel 12) for avoiding the conveying mechanism 2 can be formed, so as to ensure that when the supporting plate 11 moves up and down, it will not interfere with the conveying mechanism 2. Dividing the supporting platform 1 into at least two separate supporting plates 11 can also ensure that there is no connection part between two adjacent supporting plates 11 that affects the conveying of the backplane by the conveying mechanism 2 in the first direction, thereby preventing the supporting platform 1 from forming an obstructive interference on the end part of the conveying mechanism 2 in the first direction when the conveying mechanism 2 conveys the backplane in the first direction.

[0049] In one implementation, the number of the supporting plates 11 can be two, and the conveying mechanism 2 includes a conveyor belt 21. The conveyor belt 21 is arranged between the two supporting plates 11, and the width of the conveyor belt 21 in the second direction can ensure its stable and reliable support for the backplane; the number of the supporting plates 11 can also be three or more, and at least two conveyor belts 21 can form at least two supporting surfaces for supporting the backplane.

[0050] In one implementation, as Figure 1 shown, the number of the supporting plates can be set to four, and the number of the conveyor belts can be set to three. The three conveyor belts are arranged in parallel, with a supporting plate arranged between the conveyor belts, and a supporting plate is also arranged outside the conveyor belts.

[0051] In a further embodiment, the supporting platform 1 further includes a supporting bracket 13. All the supporting plates 11 are installed on the supporting bracket 13, and the lifting mechanism 3 is connected to the supporting bracket 13 and is used to drive the supporting bracket 13 to move up and down; alternatively, the number of the lifting mechanisms 3 is the same as the number of the supporting plates 11, and the lifting mechanisms 3 are connected to the supporting plates 11 in a one-to-one correspondence. The lifting mechanisms 3 are used to drive the corresponding supporting plates 11 to move up and down; that is to say, all the independent supporting plates 11 can be connected in series through a supporting bracket 13, and the lifting mechanism 3 drives the supporting bracket 13 and all the supporting plates 11 to move up and down together, so as to ensure the synchronization of the lifting of all the supporting plates 11. The independent supporting plates 11 can also be connected through the corresponding independent lifting mechanisms 3, and the lifting actions of each supporting plate 11 can be independently controlled.

[0052] Continue to refer to Figure 3As shown, in one implementation, the lifting mechanism 3 includes a lifting drive member 31 and a transmission member 32; the first end of the transmission member 32 is connected to the lifting drive member 31, and the second end of the transmission member 32 is connected to the supporting bracket 13; alternatively, at least one transmission member 32 is provided between each of the supporting plates 11 and the lifting drive member 31; wherein, the lifting drive member 31 can be a linear motor, an electric cylinder, a cylinder, etc., and the transmission member 32 can be one or a combination of structures for transmitting power, such as a transmission rod, a transmission belt, and a gear structure, etc. The transmission member 32 can drive the supporting bracket 13 to complete lifting under the drive of the lifting drive member 31.

[0053] The lifting drive member can be a cylinder or a motor, and the transmission member can be a support rod. Also, in order to make the lifting action smoother, the transmission member can also include a linear guide rail arranged vertically.

[0054] In some embodiments, the conveying mechanism 2 includes at least two conveyor belts 21 arranged uniformly in the second direction, and at least part of the supporting surface 111 is located between two adjacent conveyor belts 21; that is to say, the conveyor belts 21 and the supporting plates 11 can be arranged alternately in the second direction, which can not only improve the stability of the conveying mechanism 2 when conveying the backplane, but also increase the contact area between the supporting platform 1 and the backplane, and improve the supporting stability of the supporting platform 1 for the backplane.

[0055] In one implementation, the width of the conveyor belt 21 in the second direction matches the width of the corresponding first avoidance channel 12 in the second direction; it should be understood that the two sides of the conveyor belt 21 in the second direction can be spaced a set distance from the two side edges of the first avoidance channel 12 (the side edges of the two supporting plates 11 adjacent to the conveyor belt 21) to ensure that the supporting plate 11 is not easily interfered with the conveyor belt when lifting, and can also reduce the gap between the supporting plate 11 and the conveyor belt 21, ensuring that the supporting plate or the conveyor belt can provide a reliable supporting surface 111 or supporting surface for the backplane.

[0056] Furthermore, at least one end of the conveyor belt 21 in the first direction protrudes beyond the side edge of the supporting platform 1; that is to say, at least one end of the conveyor belt 21 extends outside the projection of the supporting platform 1 in the vertical direction. By extending the length of the conveyor belt 21 in the first direction, the conveying mechanism 2 can always provide reliable support for the backplane when transporting the backplane to the working station 1111 and when transporting the backplane from the working station 1111 to the next station.

[0057] Continue to refer to Figures 1 to 5As shown, in some embodiments, the backplane loading device further includes a rectifying mechanism 4. The rectifying mechanism 4 is disposed on at least two opposite sides of the working station 1111 and is used to rectify the backplane located at the working station 1111. That is to say, the rectifying mechanism 4 can rectify the backplane in the first direction so that the two sides of the backplane in the first direction are flush with the two sides of the working station 1111 in the first direction. The rectifying mechanism 4 can also rectify the backplane in the second direction so that the two sides of the backplane in the second direction are flush with the two sides of the working station 1111 in the second direction. The rectifying mechanism 4 can also rectify the backplane in the first direction and the second direction respectively or simultaneously to accurately align it with the four sides of the working station 1111. Specifically, the rectifying method can be to push the side of the backplane so that the backplane slides on the supporting plate 11 until the backplane is displaced to the set position.

[0058] In a further embodiment, the rectifying mechanism 4 includes a first rectifying component 41 and a second rectifying component 42. The first rectifying component 41 includes first rectifying members 411 symmetrically disposed on both sides of the working station 1111 in the first direction and a first rectifying driving member 412 for driving the first rectifying members 411 on both sides to approach or separate from each other. The second rectifying component 42 includes second rectifying members 421 symmetrically disposed on both sides of the working station 1111 in the second direction and a second rectifying driving member 422 for driving the second rectifying members 421 on both sides to approach or separate from each other. Among them, the first rectifying driving member 412 and the second rectifying driving member 422 can be structures such as linear motors, cylinders, and electric cylinders. The first rectifying members 411 and the second rectifying members 421 can be columnar structures extending in the vertical direction, and the side surfaces are used to push the backplane.

[0059] In order to make the contact smoother, rolling wheels can also be provided on the first rectifying member 411 and / or the second rectifying member 421, and the rolling wheels are driven to contact the side of the backplane.

[0060] Among them, the second rectifying member 421 can be disposed on both sides of all the conveying mechanisms 2 in the second direction. That is to say, the second rectifying member 421 can be disposed at the end positions of the supporting platform 1 in the second direction. Such a setting can prevent the second rectifying member 421 from interfering with the backplane when the conveying mechanism 2 conveys the backplane along the first direction. The first rectifying member 411 can specifically be arranged between every two conveyor belts 21 or on both sides of the conveyor belt 21 in the second direction. Further, a plurality of the first rectifying members 411 and the second rectifying members 421 can be uniformly arranged in the second direction and the first direction respectively, so as to uniformly apply a thrust force to the side of the backplane and protect the backplane.

[0061] In one implementation, the alignment mechanism 4 further includes an alignment lifting assembly. A second avoidance channel 431 for avoiding the first aligning member 411 in the vertical direction and the first direction, and / or a third avoidance channel 432 for avoiding the second aligning member 421 in the vertical direction and the second direction are provided on the supporting platform 1; the alignment lifting assembly is used to drive the first alignment assembly 41 and / or the second alignment assembly 42 to lift; through the setting of the alignment lifting assembly, the lifting of the first alignment assembly 41 and / or the second alignment assembly 42 can be controlled individually. During the conveying process of the backplane, the first alignment assembly 41 and / or the second alignment assembly 42 can be lowered below the top surface of the conveyor belt 21. After the backplane is located at the working station 1111, the alignment lifting assembly can be used to raise the first alignment assembly 41 and / or the second alignment assembly 42 to a height higher than the backplane, and start to align the backplane. And during the process of laminating the backplane, the first alignment assembly 41 and / or the second alignment assembly 42 can also be maintained at a height higher than the backplane, so that the backplane can always be kept within the accurate working station 1111.

[0062] Specifically, the second avoidance channel 431 and / or the third avoidance channel 432 can be through holes or through grooves provided on the supporting plate 11. The second avoidance channel 431 can extend a set distance in the first direction, and the third avoidance channel 432 can extend a set distance in the second direction; as long as it is ensured that the second aligning member 421 will not affect the conveying of the backplane at the extreme position far from the working station 1111, and when the first aligning member 411 is at the extreme position far from the working station 1111, the backplane can be located between two first aligning members 411 opposite to each other in the first direction, and it is also necessary to ensure that the first aligning member 411 and the second aligning member 421 can move to a position exactly flush with the side edge of the backplane located at the working station 1111.

[0063] It should be understood that when the alignment mechanism 4 does not have an alignment lifting assembly, a conveying lifting assembly can be provided for the conveying mechanism 2, and the conveying mechanism 2 can be lifted and lowered to change the relative position of the alignment mechanism 4 and the conveying mechanism 2 in the height direction, so as to ensure that the conveying mechanism 2 will not be interfered by the alignment mechanism 4 when conveying the backplane, and after the conveying mechanism 2 conveys the backplane to near the working station 1111, by lowering the conveying mechanism 2 by a certain height (lowering to be lower than or flush with the supporting platform 1), the alignment mechanism 4 can align the side edge of the backplane.

[0064] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0065] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0066] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present application.

Claims

1. A backplane loading device, characterized in that, The backplane loading device includes: a supporting platform, a lifting mechanism, and a conveying mechanism; The lifting mechanism is connected to the supporting platform and is used to drive the supporting platform to lift; The conveying mechanism is used to convey the backplane along a first direction to a working station above the supporting platform; The top of the supporting platform forms a supporting surface for supporting the backplane, and a first avoidance channel for avoiding the conveying mechanism in the vertical direction is opened on the supporting platform; In the vertical direction, the projection of the backplane at the working station is within the projection range of the supporting platform.

2. The backplane loading device according to claim 1, wherein The supporting platform includes at least two supporting plates arranged along a second direction, and a gap formed between two adjacent supporting plates forms the first avoidance channel; both the first direction and the second direction are perpendicular to the vertical direction, and the second direction is perpendicular to the first direction.

3. The backplane loading device according to claim 2, characterized in that, The supporting platform further includes a supporting bracket, and all the supporting plates are installed on the supporting bracket. The lifting mechanism is connected to the supporting bracket and is used to drive the supporting bracket to lift; or, the number of the lifting mechanisms is the same as the number of the supporting plates, and the lifting mechanisms are connected to the supporting plates in a one-to-one correspondence, and the lifting mechanisms are used to drive the corresponding supporting plates to lift.

4. The backplane loading device according to claim 3, characterized in that The lifting mechanism includes a lifting driving member and a transmission member; The first end of the transmission member is connected to the lifting driving member, and the second end of the transmission member is connected to the supporting bracket; Or, at least one transmission member is arranged between each supporting plate and the lifting driving member.

5. The backplane loading device according to claim 1, wherein The conveying mechanism includes at least two conveyor belts arranged uniformly along the second direction, and at least part of the supporting surface is located between two adjacent conveyor belts.

6. The backplane loading device according to claim 5, wherein, The width of the conveyor belt in the second direction matches the width of the corresponding first avoidance channel in the second direction.

7. The backplane loading device according to claim 5, wherein At least one end of the conveyor belt in the first direction protrudes from the side of the supporting platform.

8. The backplane loading device according to claim 1, wherein, The backplane loading device further includes a rectifying mechanism, and the rectifying mechanism is arranged on at least two opposite sides of the working station and is used to rectify the backplane located at the working station.

9. The backplane loading device according to claim 8, wherein, The rectifying mechanism includes a first rectifying component and a second rectifying component; The first rectifying component includes first rectifying members symmetrically arranged on both sides of the working station along the first direction and a first rectifying driving member for driving the first rectifying members on both sides to approach or separate from each other. The second rectifying component includes second rectifying members symmetrically arranged on both sides of the working station along the second direction and a second rectifying driving member for driving the second rectifying members on both sides to approach or separate from each other.

10. The backplane loading device according to claim 9, characterized in that, The rectifying mechanism further includes a rectifying lifting component, A second avoidance channel for avoiding the first rectifying member in the vertical direction and the first direction is opened on the supporting platform, and / or, A third avoidance channel for avoiding the second rectifying member in the vertical direction and the second direction is opened on the supporting platform; The rectifying lifting component is used to drive the first rectifying component and / or the second rectifying component to lift.

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