Belt cleaning device and battery piece conveying system

Abstract

The utility model discloses a belt cleaning device and a battery piece conveying system. The belt cleaning device comprises a mounting base, a wiping mechanism and an air blowing mechanism. The wiping mechanism and the blowing mechanism are both arranged on the mounting base, the wiping mechanism makes contact with the conveying surface of the belt when the belt rotates so as to wipe the conveying surface of the belt, the blowing mechanism blows air towards the conveying surface, and therefore the function of cleaning the belt during conveying is achieved. According to the belt cleaning device, the belt can be cleaned through the wiping mechanism and the blowing mechanism. Therefore, double cleaning can be performed on the belt, the cleaning degree of the belt is improved, and the battery pieces are prevented from being polluted. Moreover, the belt cleaning device can be used for cleaning in the process that the belt keeps rotating and transports the battery pieces, belt shutdown is avoided, manual operation is reduced, the production efficiency is improved, manpower resources are saved, and the production capacity is improved.

Description

Technical Field

[0001] The present application relates to the field of solar cell processing, and in particular to a belt cleaning device and a cell transport system. Background Art

[0002] In related art, battery cells are typically transported using belts. During transportation, the belts may become contaminated, for example, by dust, fabric fibers, or hair. This can easily stain the battery cells during transport, leaving belt marks. Therefore, the belts need to be cleaned regularly.

[0003] However, conventional cleaning methods rely on manual cleaning, which requires equipment downtime to clean the belts. This can cause production line downtime, impacting production efficiency and wasting human resources. Utility Model Content

[0004] The embodiments of the present application disclose a belt cleaning device and a battery cell transport system, which are used to clean the surface of a belt while the belt remains in a working state.

[0005] To achieve the above objectives, in a first aspect, the present application discloses a battery cell transport device, which is applied to a battery cell transport system. The battery cell transport system includes a belt for transporting battery cells, including:

[0006] Mounting seat;

[0007] a wiping mechanism, the wiping mechanism being mounted on the mounting seat, the wiping mechanism being disposed toward the transport surface of the belt, the wiping mechanism being at least partially in contact with the transport surface of the belt, and the wiping mechanism being configured to wipe the transport surface of the belt when the belt rotates; and

[0008] An air blowing mechanism is installed on the mounting seat, the air blowing mechanism is located on one side of the wiping mechanism, and the air blowing mechanism is configured to blow air toward the transport surface of the belt.

[0009] As an optional embodiment, the wiping mechanism includes a bracket, a roller and a wiping member, the bracket is mounted on the mounting seat, the roller is mounted on the bracket, the wiping member is arranged on the periphery of the roller, and the wiping member is configured to contact the transport surface of the belt.

[0010] As an optional embodiment, the belt cleaning device also includes a cleaning tank, which is provided on the mounting seat. The cleaning tank is located below the roller along the height direction of the mounting seat. The cleaning tank is used to hold cleaning liquid, and the wiping member is at least partially located in the cleaning tank to be soaked in the cleaning liquid.

[0011] As an optional embodiment, the belt cleaning device further includes a sewage trough, which is provided on the mounting seat and is located in front of the roller along the transport direction of the belt. The sewage trough is configured to receive the cleaning liquid on the wiping member.

[0012] As an optional embodiment, the sewage trough is connected to one side of the cleaning trough and a scraper is provided on the surface of the sewage trough, the scraper is arranged toward the roller, and the scraper is configured to scrape the cleaning liquid on the wiper.

[0013] As an optional embodiment, the scraper has a guide surface, which is arranged to be inclined downward toward the sewage tank along the height direction of the mounting seat, and the guide surface contacts the wiping member toward the edge side of the roller, and the edge side is configured to scrape off the cleaning liquid on the wiping member.

[0014] As an optional implementation, the rotation direction of the roller is opposite to the rotation direction of the belt.

[0015] As an optional implementation, the blowing mechanism is arranged behind the wiping mechanism along the conveying direction of the belt.

[0016] As an optional embodiment, the blowing mechanism includes an air pipe, which is connected to the air supply device. The air pipe is a flat air pipe, the blowing port of the air pipe faces the transport surface, and the width of the blowing port is less than or equal to the width of the belt.

[0017] In a second aspect, the present application further discloses a battery cell transport system, comprising a belt for transporting battery cells and the belt cleaning device as described in the first aspect;

[0018] The belt cleaning device is located below the belt.

[0019] Compared with the prior art, the present invention has the following advantages:

[0020] The present application discloses a belt cleaning device and a battery cell transport system, including a mounting base, a wiping mechanism, and an air blowing mechanism. The wiping mechanism and the air blowing mechanism are both arranged on the mounting base. When the belt rotates, the wiping mechanism contacts the transport surface of the belt to wipe the transport surface of the belt, and the air blowing mechanism blows air toward the transport surface, thereby achieving the function of simultaneously cleaning the belt during transportation. The belt cleaning device disclosed in the present application can utilize the wiping mechanism and the air blowing mechanism to perform double cleaning on the belt, thereby improving the cleanliness of the belt and preventing the battery cells from being contaminated. Moreover, the belt cleaning device can be used to clean the belt while it is rotating and transporting battery cells, thereby avoiding belt downtime, reducing manual operations, improving production efficiency, saving human resources, and helping to increase production capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 A schematic diagram of the structure of the battery cell transportation system disclosed in an embodiment of the present application;

[0023] Figure 2 This is a schematic structural diagram of the wiping mechanism disclosed in an embodiment of the present application;

[0024] Figure 3 This is a schematic diagram of the first structure of the blowing mechanism disclosed in the embodiment of this application;

[0025] Figure 4 This is a schematic diagram of the second structure of the blowing mechanism disclosed in the embodiment of this application.

[0026] Description of reference numerals:

[0027] 100. Belt cleaning device; 1. Mounting seat; 2. Wiping mechanism; 21. Bracket; 22. Roller; 23. Wiping member; 3. Air blowing mechanism; 31. Air pipe; 31a. Air blowing port; 32. Air supply device; 4. Cleaning tank; 5. Sewage tank; 6. Scraper; 6a. Guide surface; 200. Belt. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0029] In this application, terms such as "upper," "lower," "front," and "rear" indicate positions or locations based on those shown in the accompanying drawings. These terms are intended to better describe this application and its embodiments and are not intended to limit the devices, elements, or components indicated to specific positions, or to their construction or operation in a specific position.

[0030] Furthermore, some of the above terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to indicate a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0031] Furthermore, the terms "installed," "disposed," "equipped with," and "connected" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0032] The technical solution of the present application will be further described below with reference to the embodiments and drawings.

[0033] See Figure 1 In the first aspect, the present application discloses a belt cleaning device 100, which is applied to a battery cell transport system and is mainly used to clean a belt 200 in the battery cell transport system (for ease of understanding of this solution, Figure 1 Belt cleaning device 100 is shown in FIG. A belt 200 is used to clean a battery cell. The belt cleaning device 100 includes a mounting base 1, a wiping mechanism 2, and an air blowing mechanism 3. The wiping mechanism 2 is mounted on the mounting base 1 and faces the transport surface of the belt 200. The wiping mechanism 2 is at least partially in contact with the transport surface of the belt 200 and is configured to wipe the transport surface of the belt 200 as the belt 200 rotates. The air blowing mechanism 3 is also mounted on the mounting base 1 and is located to one side of the wiping mechanism 2. The air blowing mechanism 3 is configured to blow air toward the transport surface of the belt 200.

[0034] The belt 200 in the battery cell transport system of the present application can clean the belt 200 itself while keeping running. Specifically, the belt cleaning device 100 of the present application cleans the belt 200 while the belt 200 keeps rotating through the wiping mechanism 2 and the blowing mechanism 3. Exemplarily, the belt 200 has two side surfaces along its own thickness direction, and the side surface located on the upper side is used to transport battery cells. After the battery cells are transported, the side surface originally located on the upper side will rotate to the side surface located on the lower side or the side surface located on the transport edge. These parts of the belt 200 cannot carry battery cells during transportation, so the belt cleaning device 100 can be set at the positions corresponding to these parts, so that the belt 200 can clean the belt 200 during transportation.

[0035] During cleaning, the wiping mechanism 2 can be used to first wipe dirt from the conveying surface, and then the blowing mechanism 3 can be used to further clean the dirt from the conveying surface. Alternatively, the blowing mechanism 3 can be used to clean the dirt from the conveying surface, and then the wiping mechanism 2 can be used to clean the dirt from the conveying surface. Alternatively, the wiping mechanism 2 and the blowing mechanism 3 can be used to clean the conveying surface of the belt 200 simultaneously. In this way, the conveying surface of the belt 200 can be cleaned twice, improving the cleaning effect of the belt 200. Moreover, the belt cleaning device 100 can maintain the cleanliness of the belt 200 during the conveying process of the belt 200, avoiding belt 200 downtime while reducing manual operation, improving production efficiency, saving human resources, and thus increasing production capacity.

[0036] It is understandable that in Figure 1 In the figure, the direction indicated by X indicates the rotation direction X of the belt 200, the direction indicated by Y indicates the rotation direction Y of the roller 22, the direction indicated by Z indicates the transport direction Z of the belt 200, and P indicates the height direction of the mounting base 1.

[0037] Alternatively, the wiping mechanism 2 can wipe the conveying surface of the belt 200 by reciprocating the swinging rod, or by rolling the roller 22. Alternatively, the wiping mechanism 2 can be fixed and the belt 200 can be rotated to wipe the wiping mechanism 2, thereby rubbing the dirt on the belt 200 off the wiping mechanism 2. To facilitate understanding of the technical solution of the present application, the following description will take the example of wiping the belt 200 by rolling the roller 22 as an example.

[0038] See Figure 2 In some embodiments, the wiping mechanism 2 includes a bracket 21, a roller 22, and a wiping member 23. The bracket 21 is mounted on the mounting base 1, the roller 22 is mounted on the bracket 21, and the wiping member 23 is arranged on the periphery of the roller 22. It can be understood that the periphery of the roller 22 refers to the rolling surface that produces relative rolling when the roller 22 and the belt 200 are in contact. When the roller 22 is in contact with the transport surface of the belt 200, the wiping member 23 is also in contact with the transport surface of the belt 200. Specifically, when the roller 22 rotates, the wiping member 23 can continuously change the position to wipe the belt 200, so that the wiping member 23 wipes the transport surface of the belt 200 with a relatively clean position, preventing the belt 200 from being wiped again by the position that has wiped the belt 200, thereby preventing the belt 200 from being repeatedly contaminated.

[0039] Optionally, the rotation direction Y of the roller 22 is opposite to the rotation direction X of the belt 200. That is, the two rotate in opposite directions. When the rotation direction Y of the roller 22 is opposite to the rotation direction X of the belt 200, the friction between the wiping member 23 and the belt 200 is greater, and the wiping member 23 wipes the belt 200 more effectively, facilitating the removal of stubborn dirt. Of course, it is understood that in other examples, the rotation direction Y of the roller 22 and the rotation direction Y of the belt 200 can also rotate in the same direction.

[0040] Optionally, to adapt the wiping mechanism 2 to belts 200 of varying machine tool heights, the support 21 in the wiping mechanism 2 can be a movable support. For example, the support 21 can be configured as a retractable rod or a multi-link robotic arm, thereby facilitating wiping of different locations on the conveying surface of the belt 200. In some examples, when the support 21 is a retractable rod, the rod's extension or retraction length can be adjusted to accommodate the machine tool's height, thereby ensuring that the wiping member 23 on the roller 22 can better contact the conveying surface of the belt 200. In other examples, when the support 21 is a multi-link robotic arm, the rods of the robotic arm can be folded or extended relative to each other, thereby changing the length of the robotic arm, allowing the roller 22 to adapt to the machine tool's height as the robotic arm changes position. Furthermore, a multi-link robotic arm has a high degree of freedom, allowing the roller 22 to move at different angles, allowing the roller 22 to wipe different locations on the belt 200 from different angles.

[0041] Optionally, the wiping member 23 may be, but is not limited to, cotton cloth or sponge, etc., which is not specifically limited in this application. Further, in order to further improve the cleanliness of the belt 200, the wiping member 23 may be a dust-free cotton cloth or dust-free sponge with higher cleanliness.

[0042] Considering that after the wiping member 23 wipes the belt 200, the wiping member 23 will repeatedly wipe the belt 200 after the roller 22 rotates one circle, which may cause repeated contamination to the belt 200. Based on this, please refer to Figure 2In some embodiments, the belt cleaning device 100 further includes a cleaning tank 4 disposed on the mounting base 1 and positioned below the roller 22 along the height direction of the mounting base 1. The cleaning tank 4 is used to hold a cleaning liquid, and the wiper 23 is at least partially located within the cleaning tank 4 to be soaked in the cleaning liquid. Specifically, a portion of the roller 22 contacts the conveying surface of the belt 200, while another portion of the roller 22 can be immersed in the cleaning tank 4. When the wiper 23 on the roller 22 becomes contaminated with dirt after wiping the belt 200, the wiper 23 continues to roll with the roller 22 until it enters the cleaning tank 4. After entering the cleaning tank 4, the wiper 23 continues to roll within the roller 22, being flushed by the cleaning liquid in the cleaning tank 4, thereby cleaning the dirt from the wiper 23. Finally, the cleaned wiper 23 rolls with the roller 22 to clean the conveying surface of the belt 200 again. In this way, the cleaning tank 4 can clean the wiping member 23 that has wiped the belt 200 , thereby preventing the contaminated wiping member 23 from continuing to wipe the belt 200 and causing secondary contamination of the belt 200 .

[0043] Optionally, the cleaning liquid can be a volatile cleaning liquid such as alcohol or hydrogen peroxide, or it can also be water. For example, the area of ​​the wiping member 23 that has been soaked in the cleaning liquid will wipe the belt 200 again. Therefore, when the cleaning liquid is alcohol, the alcohol-soaked wiping member 23 will be contaminated with the belt 200 after contacting the belt 200. While the alcohol cleans the belt 200, it will also be contaminated with the belt 200. The alcohol can evaporate quickly, thereby preventing the cleaning liquid from continuing to remain on the belt 200 and causing the battery cells to be contaminated with the cleaning liquid and damaged. In addition, after the wiping member 23 soaked in cleaning liquid wipes the belt 200, it can stick to the dust or hair fibers on the belt 200, thereby preventing the dust or hair fibers wiped off from flying during the wiping process.

[0044] Please continue to see Figure 2Furthermore, it is important to consider that the cleaning liquid carried by the wiper 23 after wiping the belt 200 may also become contaminated, and that the contaminated cleaning liquid may be thrown from the wiper 23 as the roller 22 rotates. Optionally, the belt cleaning device 100 further includes a wastewater trough 5 , which is disposed on the mounting base 1 and is located in front of the roller 22 along the conveying direction Z of the belt 200. The wastewater trough 5 is configured to receive the cleaning liquid from the wiper 23 . It is understood that the rotation direction Y of the roller 22 is the direction in which wastewater is thrown from the roller 22. To receive the wastewater, in some examples, the rotation direction Y of the roller 22 is the same as the rotation direction X of the belt 200, and the wastewater trough 5 is located behind the roller 22 as viewed in the conveying direction Z of the belt 200. In other examples, the rotation direction Y of the roller 22 is opposite to the rotation direction X of the belt 200, and the wastewater trough 5 is located in front of the roller 22 as viewed in the conveying direction Z of the belt 200. Alternatively, in other examples, a baffle can be positioned in the direction of wastewater ejected by the roller 22, with the baffle facing the wastewater trough 5. In other words, the baffle blocks the wastewater and directs it to the wastewater trough 5, thereby collecting it. In this case, the wastewater trough 5 can be positioned anywhere along the roller 22. As the roller 22 rotates, the wiper 23 may eject cleaning fluid from the belt 200. Positioning the wastewater trough 5 in the direction of wastewater ejected by the roller 22 facilitates its collection.

[0045] Optionally, the sewage tank 5 and the cleaning tank 4 can be formed by splicing two different tank bodies, or the sewage tank 5 and the cleaning tank 4 can be formed by separating one tank body, which is not specifically limited in this application.

[0046] Since the wiper 23 can be made of a highly absorbent material such as cotton cloth or a sponge, a scraper 6 is optionally provided on the surface of the sewage trough 5 on the side connected to the cleaning trough 4 to remove residual sewage from the wiper 23. The scraper 6 is positioned toward the roller 22 and is configured to scrape cleaning fluid from the wiper 23. It will be appreciated that to enable the scraper 6 to scrape the sewage from the wiper 23, the scraper 6 can be positioned to abut against the roller 22. In this manner, the scraper 6 and the outer periphery of the roller 22 compress the wiper 23, thereby squeezing the sewage out of the wiper 23. Specifically, the scraper 6 first scrapes the sewage from the wiper 23, and then the wiper 23 is immersed in the cleaning trough 4 to re-soak in cleaning fluid. This prevents residual sewage from the wiper 23 from contaminating the clean cleaning fluid in the cleaning trough 4.

[0047] Optionally, the scraper 6 may be in a structure of, but not limited to, a thin sheet or prism, etc., which is not specifically limited in this application.

[0048] Considering that after scraping the wastewater, the scraper 6 can guide the wastewater into the wastewater tank 5 to prevent it from falling into the cleaning tank, the scraper 6 can optionally include a guide surface 6a, which is arranged downwardly and obliquely along the height direction P of the mounting base 1 toward the wastewater tank 5. The edge of the guide surface 6a facing the roller 22 contacts the wiper 23 and is used to scrape the cleaning liquid off the wiper 23. In some examples, when the scraper 6 is thin, the scraper 6 can be mounted at an angle. The guide surface 6a can be a side surface along its thickness, such that the end facing the roller 22 is higher than the end facing the wastewater tank 5. This facilitates diversion of the wastewater scraped from the wiper 23 into the wastewater tank 5. In other examples, when the scraper 6 is prismatic, such as a triangular prism, one of the prisms contacts the wiper 23. The guide surface 6a can be the surface on which the prism is located, with the other prism on the guide surface 6a facing the wastewater tank 5, thereby guiding the scraped wastewater into the wastewater tank 5. In this way, by providing the guide surface 6a, it is helpful to better guide the sewage into the sewage tank 5 for collection.

[0049] Optionally, the guide surface 6a may be an inclined surface, a flat surface, or an arc surface, etc., which is not specifically limited in this application.

[0050] Considering that after the wiping member 23 is soaked in cleaning liquid and wipes the belt 200, the cleaning liquid remaining on the belt 200 is difficult to clean, in some embodiments, the blowing mechanism 3 is arranged behind the wiping mechanism 2 along the transport direction Z of the belt 200. In other words, the portion of the belt 200 that needs to be cleaned will first pass through the wiping mechanism 2, which will first wipe the portion of the belt 200 that needs to be cleaned. After wiping is completed, there may be residual cleaning liquid on the transport surface of the belt 200. The belt 200 then passes through the blowing mechanism 3, which uses the blowing mechanism 3 to blow away the residual cleaning liquid on the belt 200, thereby completing the cleaning of the belt 200. In this way, the blowing mechanism 3 not only removes debris on the transport surface of the belt 200, but also blows away the residual cleaning liquid on the belt 200, preventing the residual cleaning liquid from affecting the battery cells transported by the belt 200.

[0051] See Figure 3 Specifically, the air blowing mechanism 3 includes an air pipe 31, which is connected to an air supply device 32. The air supply device 32 can be integrally mounted on the mounting base 1, or the air pipe 31 can be connected to an external air supply device 32. The air pipe 31 can utilize the air supply device 32 to supply air to the conveying surface of the belt 200, thereby effectively drying any residual cleaning fluid on the belt 200.

[0052] Optionally, the air supply device 32 may be, but is not limited to, an air pump or a fan, etc., and this application does not make any specific limitations here.

[0053] Furthermore, to enhance the effectiveness of the air blowing mechanism 3 in drying the cleaning fluid from the conveying surface of the belt 200, the air pipe 31 can be a flat pipe, with the air outlet 31a of the air pipe 31 facing the conveying surface. As will be appreciated, the narrow pipe effect accelerates airflow through a narrow area. Therefore, the air blown in by the air supply device 32 accelerates as it flows into the flat air pipe 31, thereby increasing the flow rate of the air blown out of the air outlet 31a of the air pipe 31, thereby enhancing the effectiveness of drying the cleaning fluid from the conveying surface of the belt 200.

[0054] Optionally, the shape of the trachea 31 may be a square flat trachea 31 or an elliptical flat trachea 31 , which is not specifically limited in this application.

[0055] In order to improve the concentrated drying effect of the air blowing port 31a, the width of the air blowing port 31a is optionally less than or equal to the width of the belt 200. In this way, the air blown out from the air blowing port 31a can be concentrated on the surface of the belt 200, avoiding the situation where the drying effect of the conveying surface of the belt 200 is poor due to gas escape.

[0056] See Figure 4 To further enhance the effectiveness of the air blowing mechanism 3 in drying the cleaning liquid from the transport surface of the belt 200, multiple air pipes 31 can optionally be provided, each connected to an air supply device 32. This allows the transport surface wetted by the cleaning liquid to pass through each air pipe 31 in sequence, achieving air blowing one by one. This allows for the removal or drying of less volatile cleaning liquids, such as water, keeping the transport surface of the belt 200 dry and preventing residual cleaning liquid from wetting the silicon wafers.

[0057] Second, please refer again to Figure 1 The present application also discloses a battery cell transport system, comprising a belt 200 for transporting battery cells and the belt cleaning device 100 in the first aspect. The belt cleaning device 100 is arranged below the belt 200. The present application cleans the belt 200 through the wiping mechanism 2 and the blowing mechanism 3 respectively, and can perform double cleaning on the belt 200, thereby improving the cleanliness of the belt 200 and preventing the battery cells from being contaminated. In addition, arranging the belt cleaning device 100 below the belt 200 can prevent the belt cleaning device 100 from affecting the normal operation of the belt 200 when it is working, which is beneficial for the battery cell transport system to simultaneously achieve the cleaning of the belt 200 and the transportation of battery cells, avoid the downtime of the belt 200, reduce manual operations, improve production efficiency and save human resources, and help improve production capacity.

[0058] The above is a detailed introduction to the belt cleaning device and battery cell transport system disclosed in the embodiments of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the belt cleaning device and battery cell transport system of the present application and its core ideas. At the same time, for those skilled in the art, based on the ideas of the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A belt cleaning device, characterized in that: Applied to a battery cell transport system, the battery cell transport system includes a belt for transporting battery cells, and the belt cleaning device includes: Mounting seat; a wiping mechanism, the wiping mechanism being mounted on the mounting seat, the wiping mechanism being disposed toward the transport surface of the belt, the wiping mechanism being at least partially in contact with the transport surface of the belt, and the wiping mechanism being configured to wipe the transport surface of the belt when the belt rotates; and An air blowing mechanism is installed on the mounting seat, the air blowing mechanism is located on one side of the wiping mechanism, and the air blowing mechanism is configured to blow air toward the transport surface of the belt.

2. The belt cleaning device according to claim 1, wherein The wiping mechanism includes a bracket, a roller and a wiping piece. The bracket is mounted on the mounting seat, the roller is mounted on the bracket, the wiping piece is provided on the outer periphery of the roller, and the wiping piece is configured to contact the transport surface of the belt.

3. The belt cleaning device according to claim 2, wherein: The belt cleaning device also includes a cleaning tank, which is provided on the mounting seat and located below the roller along the height direction of the mounting seat. The cleaning tank is used to hold cleaning liquid, and the wiping member is at least partially located in the cleaning tank to be soaked in the cleaning liquid.

4. The belt cleaning device according to claim 3, wherein: The belt cleaning device further comprises a sewage trough, which is provided on the mounting seat and is located in front of the roller along the conveying direction of the belt. The sewage trough is configured to receive the cleaning liquid on the wiping member.

5. The belt cleaning device according to claim 4, wherein: The sewage trough is connected to one side of the cleaning trough and a scraper is provided on the surface of the sewage trough. The scraper is arranged toward the roller and is configured to scrape the cleaning liquid on the wiping member.

6. The belt cleaning device according to claim 5, wherein: The scraper has a guide surface, which is arranged downwardly and obliquely toward the sewage tank along the height direction of the mounting seat. The guide surface contacts the wiper toward the edge side of the roller, and the edge side is configured to scrape off the cleaning liquid on the wiper.

7. The belt cleaning device according to any one of claims 2 to 6, characterized in that: The rotation direction of the roller is opposite to the rotation direction of the belt.

8. The belt cleaning device according to any one of claims 1 to 6, characterized in that: The air blowing mechanism is arranged behind the wiping mechanism along the conveying direction of the belt.

9. The belt cleaning device according to claim 8, wherein The air blowing mechanism includes an air pipe connected to an air supply device. The air pipe is a flat air pipe with an air blowing port facing the transport surface. The width of the air blowing port is less than or equal to the width of the belt.

10. A battery cell transportation system, characterized in that: comprising a belt for transporting battery cells and a belt cleaning device according to any one of claims 1 to 9; The belt cleaning device is located below the belt.

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