Photovoltaic solar cell printing scraper assembly

Abstract

The utility model relates to the field of photovoltaic solar cell manufacturing, in particular to a printing scraper assembly for a photovoltaic solar cell. According to the scheme, the mode that the inserting grooves are matched with the inserting blocks in an aligned mode is adopted, so that the scraping plate can be rapidly positioned during installation, and compared with a traditional complex connecting structure, the installation time is greatly saved. When the scraping strip is abraded and needs to be replaced, the scraping plate can be easily taken down only by removing magnetic attraction between the adjusting block and the inserting block, rapid replacement is achieved, the downtime of equipment is effectively shortened, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic solar cell manufacturing, specifically to a photovoltaic solar cell printing scraper assembly. Background Technology

[0002] As an important sustainable energy source, photovoltaic solar energy is finding increasingly diverse applications. As the core component of a photovoltaic power generation system, the printing process in the production of photovoltaic solar cells plays a decisive role in the cell's performance and production efficiency.

[0003] In the printing process of photovoltaic solar cells, the squeegee assembly is crucial. However, traditional squeegee assemblies have significant drawbacks. Traditional connection methods are cumbersome and complex in squeegee replacement and installation. When a squeegee needs to be replaced, a significant amount of time must be spent disassembling numerous components, resulting in a tedious process. This not only leads to long production downtime but also increases labor costs and severely impacts production efficiency.

[0004] Therefore, existing photovoltaic solar cell printing blade assemblies have significant shortcomings in terms of quick blade replacement and installation, and an innovative design is urgently needed to solve these problems, thereby improving the printing quality and production efficiency of photovoltaic solar cells and reducing production costs. Summary of the Invention

[0005] To address the aforementioned problems, this utility model discloses a photovoltaic solar cell printing scraper assembly.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a photovoltaic solar cell printing squeegee assembly, comprising a mounting base and a squeegee. A slot is provided on one side of the mounting base. One end of the squeegee is provided with an insert block that aligns with the slot, and the other end of the squeegee is provided with a scraper strip. An adjusting block is provided within the slot, and the adjusting block is slidably disposed within the slot. An adjusting screw is screwed into the outer side of the mounting base via a thread. The inner end of the adjusting screw is rotatably connected to the adjusting block. The adjusting block and the insert block can be magnetically attracted to each other, thereby fixing the squeegee and the scraper strip at its lower end onto the mounting base.

[0007] The outer side of the adjustment block has an inclined magnetic surface, and the outer end of the insertion block has an adsorption surface that engages with the magnetic surface. The magnetic surface and the adsorption surface engage magnetically to separate and fix the insertion block.

[0008] A backing plate is provided on the back of the scraper corresponding to the scraper strip, and the rear side of the scraper strip abuts against the backing plate.

[0009] The lower end of the backing plate is provided with a bottom backing plate at an angle, and one end of the bottom backing plate extends to the inclined bottom surface of the scraper.

[0010] The lower end of the back plate is provided with an insertion hole at an angle. One end of the bottom back plate extends through the insertion hole to the inclined bottom surface of the scraper. A locking screw is screwed into the back plate on the outer side corresponding to the insertion hole. The inner end of the locking screw is pressed against the bottom back plate to fix it.

[0011] In this embodiment of the invention, the component uses a slot and insert block alignment method, which allows the scraper to be quickly positioned during installation, greatly saving installation time compared to traditional complex connection structures. When the scraper blade wears out and needs to be replaced, the scraper can be easily removed by simply releasing the magnetic attraction between the adjusting block and the insert block, achieving quick replacement, effectively reducing equipment downtime and improving production efficiency.

[0012] By screwing an adjusting screw into the outside of the mounting base, the adjusting block is driven to make precise linear movements within the slot using the threaded transmission principle. This adjustment method can precisely adjust the height and position of the squeegee and squeegee bar according to different photovoltaic solar cell printing requirements, ensuring uniform coating thickness of the printing paste, improving printing quality, reducing cell printing defects caused by inaccurate squeegee height, and increasing the yield of solar cells. Attached Figure Description

[0013] Figure 1 This is a perspective view of the photovoltaic solar cell printing squeegee assembly in an embodiment of this application;

[0014] Figure 2 This is a schematic diagram showing the mounting base and the insertion block separated in the embodiment of the application;

[0015] Figure 3 This is a schematic diagram of the internal structure of the mounting base in an embodiment of this application;

[0016] Figure 4 This is a schematic diagram showing the positions of the scraper and the backing plate in an embodiment of this application. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be described in further detail below with reference to the accompanying drawings.

[0018] The terminology used in the following embodiments is for the purpose of describing particular embodiments only and is not intended to be a limitation of the present invention. As used in the specification and appended claims of the present invention, the singular expressions “a,” “an,” “the,” “the,” and “this” are intended to also include expressions such as “one or more,” unless the context clearly indicates otherwise.

[0019] References to "one embodiment" or "some embodiments" as used in this specification mean that one or more embodiments of the present invention include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized.

[0020] Example 1: As Figure 1-3 As shown, a photovoltaic solar cell printing squeegee assembly includes a mounting base 101 and a squeegee 102. A slot 103 is provided on one side of the mounting base 101. One end of the squeegee 102 is provided with an insert 104 that aligns with the slot 103, and the other end of the squeegee 102 is provided with a scraper 105. An adjusting block 106 is provided within the slot 103 and is slidably disposed within the slot 103. An adjusting screw 107 is screwed into the outer side of the mounting base 101 via threads. The inner end of the adjusting screw 107 is rotatably connected to the adjusting block 106. The adjusting block 106 and the insert 104 can be magnetically attracted to each other, thereby fixing the squeegee 102 and the scraper 105 at its lower end onto the mounting base 101.

[0021] In this embodiment, the mounting base 101 is used to fix the position of the entire assembly. A slot 103 is provided on one side of the mounting base for accommodating and fixing the scraper; one end of the scraper 102 has an insert 104, and the other end is fitted with a scraper blade 105. The scraper 102 is the component that actually scrapes the surface of the photovoltaic cells, and has a scraper blade 105 for contacting the surface of the cells. One end of the scraper has an insert 104, which engages with the slot of the mounting base.

[0022] The slot 103 is a groove on the mounting base, and the insert 104 is a protrusion on the scraper. The two can be precisely aligned and fitted to ensure that the scraper is fixed on the mounting base.

[0023] The slot 103 is located on one side of the mounting base 101 and is used to insert the insert block 104 of the scraper 102. The insert block 104 is the insertion part of the scraper 102, used to align and cooperate with the slot 103. The scraper 105 is a component used for printing scraper operations. The adjusting block 106 is slidably disposed in the slot 103 and is magnetically attracted and fixed to the insert block 104.

[0024] The adjusting screw 107 is screwed into the mounting base 101 by a thread, and its inner end is rotatably connected to the adjusting block 106 to adjust the position of the adjusting block.

[0025] A guide rail, which can be a linear guide rail, is installed on the inner wall of the slot 103, and a matching slider is installed on the adjusting block 106. This structure provides more stable sliding guidance, reduces the offset of the adjusting block 106 during the sliding process, and further improves the accuracy and stability of the adjustment.

[0026] During installation, the insert 104 of the scraper 102 is inserted into the slot 103 of the mounting base 101, and the adjusting screw 107 is rotated to drive the adjusting block 106 to slide in the slot 103. After the adjusting block 106 moves to the appropriate position, the insert 104 is fixed by magnetic attraction, thereby fixing the scraper 102 and the scraper 105.

[0027] The adjusting screw 107 can be screwed into the mounting base via the threads on the mounting base, and the inner end of the adjusting screw 107 is connected to the adjusting block. When the adjusting screw 107 is turned, the adjusting block 106 can be pushed to slide in the slot, thereby adjusting the position of the scraper 102.

[0028] The adjusting block 106 and the insert block 104 are magnetically attracted to each other. This magnetic attraction allows the scraper 102 to be quickly fixed or removed from the mounting base 101 without the need for traditional mechanical locking methods. Magnetic attraction makes adjustment and removal operations more convenient, reducing operation time and complexity.

[0029] The adjusting block 106 has an inclined magnetic surface 108 on its outer side, and the outer end of the insert block 104 has an adsorption surface 109 that engages with the magnetic surface 108. The magnetic surface 108 and the adsorption surface 109 magnetically engage to detachably and fix the insert block 104. The adjusting block 106 has an inclined magnetic surface 108 on its outer side, and its surface has a magnetic material or a magnetically treated area. The inclined angle of the magnetic surface increases the contact area and stability with the insert block, ensuring a more secure magnetic attraction.

[0030] The outer end of the insert block 104 also has an adsorption surface 109 that mates with the magnetic adsorption surface 108. This adsorption surface is also a magnetic material area, designed to match the magnetic adsorption surface, and uses magnetic attraction to fix the insert block onto the adjusting block. The magnetic adsorption surface 108 has a certain tilt angle, which helps the adjusting block and the insert block align more precisely during connection and improves the overall stability of the scraper assembly.

[0031] Example 2: As Figure 4As shown, a backing plate 110 is provided on the back of the squeegee 102 corresponding to the squeegee 105, and the rear side of the squeegee 105 abuts against the backing plate 110. The backing plate 110 is provided on the back of the squeegee 102 and corresponds to the squeegee 105. It can provide stable support for the squeegee 105. In the actual printing process, the squeegee 105 will be subjected to the force from the printing paste. Without reliable support, the squeegee 105 may deform, affecting the printing effect. The presence of the backing plate 110 provides a stable support for the rear side of the squeegee 105, ensuring that the squeegee 105 can maintain a stable shape and position during operation, thereby ensuring uniform thickness of the printing paste, improving printing quality, reducing printing defects in the battery cells caused by squeegee instability, and further improving the yield of battery cells.

[0032] A bottom support plate 111 is inclinedly provided at the lower end of the backing plate 110, and one end of the bottom support plate 111 extends to the inclined bottom surface of the squeegee 105. The bottom support plate 111, inclined at the lower end of the backing plate 110, is adapted to the inclined bottom surface of the squeegee 105. The bottom support plate 111 extends to the inclined bottom surface of the squeegee 105, providing additional support at the bottom of the squeegee 105. During the printing process, the bottom surface of the squeegee 105 bears the pressure from the ink and the friction with the surface of the battery cell. Relying solely on the backing plate 110 for rear support may not be sufficient to ensure the stability of the squeegee 105 under some complex working conditions. The bottom support plate 111 provides stable support for the squeegee 105 at the bottom, enhancing the overall stability of the squeegee 105 and ensuring that it will not deform or shift due to uneven force during operation.

[0033] The lower end of the back plate 110 is provided with an inclined insertion hole 112. One end of the bottom back plate 111 extends through the insertion hole 112 to the inclined bottom surface of the scraper 105. A locking screw 113 is screwed into the back plate 110 corresponding to the outer side of the insertion hole 112. The inner end of the locking screw 113 is pressed against the bottom back plate 111 to fix it.

[0034] One end of the base plate 111 extends through the insertion hole 112 to the inclined bottom surface of the scraper 105. When it is necessary to adjust the support position of the base plate 111, simply loosen the locking screw 113 on the outside of the corresponding insertion hole 112 on the base plate 110. The base plate 111 can then be moved up and down along the direction of the insertion hole 112, thereby changing its support position on the scraper 105. After adjusting to the appropriate position, tighten the locking screw 113 again, and its interior will press tightly against the base plate 111, firmly fixing the base plate 111 in place.

[0035] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A photovoltaic solar cell printing squeegee assembly, characterized in that: The device includes a mounting base (101) and a scraper (102). A slot (103) is provided on one side of the mounting base (101). One end of the scraper (102) is provided with a plug (104) that aligns with the slot (103). The other end of the scraper (102) is provided with a scraper strip (105). An adjusting block (106) is provided in the slot (103). The adjusting block (106) is slidably disposed in the slot (103). An adjusting screw (107) is screwed into the outer side of the mounting base (101). The inner end of the adjusting screw (107) is rotatably connected to the adjusting block (106). The adjusting block (106) and the plug (104) can be magnetically attracted to each other, thereby fixing the scraper (102) and the scraper strip (105) at its lower end on the mounting base (101).

2. The photovoltaic solar cell printing blade assembly according to claim 1, characterized in that, The outer side of the adjustment block (106) has an inclined magnetic suction surface (108), and the outer end of the insertion block (104) has an adsorption surface (109) that adsorbs and cooperates with the magnetic suction surface (108). The magnetic suction surface (108) and the adsorption surface (109) can be separated and adsorbed and fixed by magnetic attraction.

3. The photovoltaic solar cell printing blade assembly according to claim 1, characterized in that, The back of the scraper (102) is provided with a backing plate (110) corresponding to the scraper strip (105), and the rear side of the scraper strip (105) abuts against the backing plate (110).

4. The photovoltaic solar cell printing blade assembly according to claim 3, characterized in that, The lower end of the backing plate (110) is provided with a bottom backing plate (111), and one end of the bottom backing plate (111) extends to the inclined bottom surface of the scraper (105).

5. The photovoltaic solar cell printing blade assembly according to claim 4, characterized in that, The lower end of the back plate (110) is provided with an inclined insertion hole (112). One end of the bottom back plate (111) extends through the insertion hole (112) to the inclined bottom surface of the scraper (105). A locking screw (113) is screwed into the back plate (110) corresponding to the outer side of the insertion hole (112). The inner end of the locking screw (113) is pressed against the bottom back plate (111) to fix it.

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