Solar cell printing device

Abstract

The utility model belongs to the technical field of solar cell printing equipment, and particularly relates to a solar cell printing device which comprises a rotary table capable of rotating, a printing table is arranged on the rotary table, and the printing table can transfer a solar cell panel falling on the rotary table to different directions relative to the center of the rotary table along with rotation of the rotary table. A fixing seat is arranged on one side of the rotary table, a connecting mechanism is arranged at the top end of the fixing seat, the other end of the connecting mechanism is connected with a felt roller used for preliminarily cleaning the surface of the printing table, and a dust collection mechanism used for further cleaning the surface of the printing table is arranged on one side of the felt roller. The dust collection end of the dust collection mechanism faces the printing table, and the other end of the dust collection mechanism is connected to the connecting mechanism. According to the utility model, not only is the cleaning efficiency improved and the requirement of manual intervention reduced, so that the labor intensity is reduced, but also the cleanliness of the ink pad is remarkably improved, and the printing quality of solar cells is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of solar cell printing equipment, and in particular relates to a solar cell printing device. Background Art

[0002] The printing process is a key step in the production of solar cells. Its purpose is to collect current and manufacture electrodes for solar cells. This process places extremely high demands on the cleanliness of the ink pad surface. However, during the production process, impurities such as silicon wafer debris and slurry debris often fall onto the ink pad, causing problems such as hidden cracks and perforations in the silicon wafers.

[0003] The existing technology mainly solves this problem by manually cleaning the ink pad regularly to ensure the printing quality of solar cells. Due to the instability of manual cleaning, the cleanliness of the ink pad is difficult to ensure and it is time-consuming and labor-intensive.

[0004] Therefore, a solar cell printing device is urgently needed to solve the above technical problems. Utility Model Content

[0005] The purpose of the utility model is to provide a solar cell printing device to solve the above problems.

[0006] To achieve the above purpose, the present invention provides the following solutions:

[0007] A solar cell printing device comprises a turntable capable of self-rotation, wherein a printing table is provided on the turntable. The printing table can transfer a solar cell panel placed on the turntable to different orientations relative to the center of the turntable as the turntable rotates. The horizontal height of the printing table is higher than the horizontal height of the turntable. A fixed seat is provided on one side of the turntable. A connecting mechanism is provided on the top of the fixed seat. A felt roller for preliminarily cleaning the surface of the printing table is connected to the other end of the connecting mechanism. A dust suction mechanism for further cleaning the surface of the printing table is provided on one side of the felt roller. The dust suction end of the dust suction mechanism faces the printing table. The other end of the dust suction mechanism is connected to the connecting mechanism.

[0008] Optionally, a placement groove is provided on the top surface of the fixing seat, and a motor is placed inside the placement groove.

[0009] Optionally, the connecting mechanism includes a first telescopic assembly connected to the motor shaft, a telescopic end of the first telescopic assembly is fixedly connected to a second telescopic assembly, a telescopic end of the second telescopic assembly is fixedly connected to a fixed frame, and the felt roller is rotatably connected to the inner side of the fixed frame;

[0010] The first telescopic assembly and the second telescopic assembly are arranged vertically.

[0011] Optionally, the dust suction mechanism includes a dust suction head, which is detachably connected to the fixed frame, the dust suction end of the dust suction head faces the printing table, the dust suction head is connected to a dust storage bin through a dust suction pipe, and the dust storage bin is detachably connected to the fixed side of the first telescopic component.

[0012] Optionally, the motor is connected to the connecting shaft via a bearing, and the connecting shaft is fixedly connected to the fixed end of the first telescopic assembly.

[0013] Optionally, a first connecting block is fixedly connected to a side of the first telescopic component close to the dust storage bin, a first connecting strip is fixedly connected to the dust storage bin, a first sliding groove is provided on the first connecting block, and the first connecting strip slides inside the first sliding groove.

[0014] Optionally, a second connecting block is fixedly connected to one side of the vacuum cleaner head close to the fixed frame, a second connecting strip is fixedly connected to the second connecting block, a second sliding groove is provided on the fixed frame, and the second connecting strip slides inside the second sliding groove.

[0015] Compared with the prior art, the present invention has the following advantages and technical effects:

[0016] The advantages of this utility model are as follows: First, the felt roller can initially clean impurities such as silicon wafer debris and slurry debris from the printing pad surface, effectively preventing problems such as hidden cracks or perforations in the silicon wafer caused by these impurities; second, the dust collection mechanism located behind the felt roller can further remove fine particles, ensuring the high cleanliness of the ink pad surface. This automated cleaning method not only improves cleaning efficiency and reduces the need for manual intervention, thereby reducing labor intensity, but also significantly improves the cleanliness of the ink pad and ensures the printing quality of solar cells. Therefore, this technical solution not only solves the instability problem of manual cleaning in the existing technology, but also greatly improves production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work:

[0018] Figure 1 This is a schematic diagram of the use of the utility model Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the use of the utility model Figure 2 ;

[0020] Figure 3 This is an exploded view of the structure of the present utility model;

[0021] Among them, 1. turntable; 2. printing table; 3. fixed seat; 4. motor; 5. bearing; 6. connecting shaft; 7. first telescopic component; 8. second telescopic component; 9. fixed frame; 10. felt roller; 11. dust suction head; 12. dust suction tube; 13. dust storage bin; 14. placement slot; 15. first connecting block; 16. second connecting block; 17. first connecting strip; 18. second connecting strip. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0024] Reference Figures 1 to 3 The utility model discloses a solar cell printing device, comprising a turntable 1 capable of self-rotation, with a printing table 2 provided on the turntable 1. The printing table 2 can transfer the solar cell panels placed on the turntable 1 to different positions relative to the center of the turntable 1 as the turntable 1 rotates. The horizontal height of the printing table 2 is higher than that of the turntable 1. A fixed seat 3 is provided on one side of the turntable 1, and a connecting mechanism is provided on the top of the fixed seat 3. A felt roller 10 for preliminarily cleaning the surface of the printing table 2 is connected to the other end of the connecting mechanism. A dust suction mechanism for further cleaning the surface of the printing table 2 is provided on one side of the felt roller 10. The dust suction end of the dust suction mechanism faces the printing table 2, and the other end of the dust suction mechanism is connected to the connecting mechanism.

[0025] Turntable 1 is located on the solar cell printing production line and forms a loading area, a printing area and an unloading area according to its own functional properties and different positions relative to the center of the turntable 1. Among them, the loading area and the unloading area are connected to the production line to receive unprinted solar panels and send away printed solar panels. The turntable 1 rotates according to the loading, printing and unloading directions of the materials.

[0026] The advantages of the present invention are as follows: First, the felt roller 10 can preliminarily clean impurities on the surface of the printing pad 2, such as silicon wafer debris and slurry debris, effectively preventing these impurities from causing hidden cracks or perforations in the silicon wafer; second, the dust collection mechanism located behind the felt roller 10 can further remove fine particles, ensuring a high degree of cleanliness on the ink pad surface. This automated cleaning method not only improves cleaning efficiency and reduces the need for manual intervention, thereby reducing labor intensity, but also significantly improves the cleanliness of the ink pad and ensures the printing quality of solar cells. Therefore, this technical solution not only solves the instability problem of manual cleaning in the existing technology, but also greatly improves production efficiency and product quality.

[0027] As an optional embodiment of the present invention, a placement groove 14 is provided on the top surface of the fixing seat 3 , and the motor 4 is placed inside the placement groove 14 .

[0028] When the felt roller 10 needs to be cleaned, the second telescopic assembly 8 is extended and retracted, and the motor 4 is started to move the felt roller 10 away from the printing table 2. After the staff has finished cleaning the felt roller 10, the motor 4 is reversed.

[0029] A placement groove 14 is opened on the top surface of the fixing seat 3, and the motor 4 is placed in the groove. The placement groove 14 can effectively protect the motor 4 from the influence of the external environment, reduce the damage to the motor 4 by dust and impurities, and extend its service life; secondly, this embedded design makes the entire device more compact, reduces space occupancy, and improves the stability and aesthetics of the overall structure; finally, hiding the motor 4 in the placement groove 14 can also reduce noise and provide a quieter working environment.

[0030] As an optional embodiment of the present invention, the connecting mechanism includes a first telescopic assembly 7 axially connected to the motor 4, a second telescopic assembly 8 is fixedly connected to the telescopic end of the first telescopic assembly 7, a fixed frame 9 is fixedly connected to the telescopic end of the second telescopic assembly 8, and a felt roller 10 is rotatably connected to the inner side of the fixed frame 9;

[0031] The first telescopic assembly 7 and the second telescopic assembly 8 are arranged vertically.

[0032] The first telescopic assembly 7 and the second telescopic assembly 8 can be any one of a pneumatic telescopic assembly, an electric telescopic assembly, a hydraulic telescopic assembly, an electric push rod, etc., and the present invention does not impose any limitation on this.

[0033] As an optional embodiment of the present invention, the dust suction mechanism includes a dust suction head 11, which is detachably connected to the fixed frame 9, the dust suction end of the dust suction head 11 faces the printing table 2, and the dust suction head 11 is connected to a dust storage bin 13 through a dust suction pipe 12, and the dust storage bin 13 is detachably connected to the fixed side of the first telescopic component 7.

[0034] The detachable connection design between the dust collector head 11 and the fixed frame 9 allows the dust collector head to be easily disassembled and replaced, which is convenient for maintenance and cleaning; the dust collection end of the dust collector head 11 faces the printing table 2, which can effectively absorb and remove fine impurities on the surface of the printing table to ensure its high cleanliness; the dust collector head 11 is connected to the dust storage bin 13 through the dust collection pipe 12, ensuring that dust and impurities are collected in a centralized manner to avoid secondary pollution; the dust storage bin 13 is detachably connected to the fixed side of the first telescopic component 7, which is convenient for regular cleaning of dust accumulated in the dust storage bin, and also facilitates the installation and disassembly of the entire system.

[0035] As an optional implementation of the present invention, the motor 4 is connected to the connecting shaft 6 via a bearing 5 , and the connecting shaft 6 is fixedly connected to the fixed end of the first telescopic assembly 7 .

[0036] As an optional embodiment of the present invention, a first connecting block 15 is fixedly connected to the side of the first telescopic component 7 close to the dust storage bin 13, a first connecting strip 17 is fixedly connected to the dust storage bin 13, a first sliding groove is opened on the first connecting block 15, and the first connecting strip 17 slides inside the first sliding groove.

[0037] As an optional embodiment of the present invention, a second connecting block 16 is fixedly connected to the side of the vacuum head 11 close to the fixed frame 9, a second connecting strip 18 is fixedly connected to the second connecting block 16, a second slide groove is opened on the fixed frame 9, and the second connecting strip 18 slides inside the second slide groove.

[0038] By arranging a first connecting block 15 and a first connecting strip 17 between the first telescopic assembly 7 and the dust storage bin 13, and making the first connecting strip 17 slideably fit in the first slide groove of the first connecting block 15, a slidable connection of the dust storage bin 13 is achieved. Similarly, by arranging a second connecting block 16 and a second connecting strip 18 between the dust collector head 11 and the fixed frame 9, and making the second connecting strip 18 slideably fit in the second slide groove of the fixed frame 9, a slidable connection of the dust collector head 11 is also achieved. Such a design not only enhances the stability and reliability of the connection, but also provides flexible adjustment space, so that the dust collector head 11 and the dust storage bin 13 can be fine-tuned in position according to actual needs, thereby better adapting to the cleaning needs under different working conditions. In addition, the sliding fit design simplifies the installation and disassembly process, facilitates maintenance and replacement of parts, and improves the operational convenience and service life of the entire device.

[0039] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0040] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A solar cell printing device, comprising a turntable (1) capable of self-rotation, a printing table (2) being provided on the turntable (1), and the printing table (2) being capable of transferring solar cell panels placed on the turntable (1) to different orientations relative to the center of the turntable (1) as the turntable (1) rotates, the printing table (2) being at a higher level than the turntable (1), and characterized in that: A fixed seat (3) is provided on one side of the turntable (1), a connecting mechanism is provided on the top of the fixed seat (3), the other end of the connecting mechanism is connected to a felt roller (10) for preliminarily cleaning the surface of the printing table (2), a dust suction mechanism is provided on one side of the felt roller (10) for further cleaning the surface of the printing table (2), the dust suction end of the dust suction mechanism faces the printing table (2), and the other end of the dust suction mechanism is connected to the connecting mechanism.

2. The solar cell printing device according to claim 1, characterized in that: A placement groove (14) is provided on the top surface of the fixing seat (3), and a motor (4) is placed inside the placement groove (14).

3. The solar cell printing device according to claim 2, characterized in that: The connecting mechanism comprises a first telescopic assembly (7) axially connected to the motor (4); the telescopic end of the first telescopic assembly (7) is fixedly connected to a second telescopic assembly (8); the telescopic end of the second telescopic assembly (8) is fixedly connected to a fixed frame (9); and the felt roller (10) is rotatably connected to the inner side of the fixed frame (9); The first telescopic assembly (7) and the second telescopic assembly (8) are arranged vertically.

4. The solar cell printing device according to claim 3, characterized in that: The dust collection mechanism comprises a dust collection head (11), the dust collection head (11) is detachably connected to the fixed frame (9), the dust collection end of the dust collection head (11) faces the printing table (2), the dust collection head (11) is connected to a dust storage bin (13) through a dust collection pipe (12), and the dust storage bin (13) is detachably connected to the fixed side of the first telescopic component (7).

5. The solar cell printing device according to claim 3, characterized in that: The motor (4) is connected to the connecting shaft (6) via a bearing (5), and the connecting shaft (6) is fixedly connected to the fixed end of the first telescopic assembly (7).

6. The solar cell printing device according to claim 4, characterized in that: A first connecting block (15) is fixedly connected to one side of the first telescopic component (7) close to the dust storage bin (13), a first connecting strip (17) is fixedly connected to the dust storage bin (13), a first sliding groove is provided on the first connecting block (15), and the first connecting strip (17) is slidably fitted inside the first sliding groove.

7. The solar cell printing device according to claim 4, characterized in that: A second connecting block (16) is fixedly connected to one side of the vacuum cleaner head (11) close to the fixed frame (9), a second connecting strip (18) is fixedly connected to the second connecting block (16), a second sliding groove is provided on the fixed frame (9), and the second connecting strip (18) is slidably fitted inside the second sliding groove.

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