A scraper cleaning device and a tool for processing electrode welding grooves.

Abstract

This invention relates to the field of scraper cleaning technology, specifically to a scraper cleaning device and a processing equipment for electrode welding grooves. It includes a liquid inlet assembly, a negative pressure assembly, and a drive unit. The liquid inlet assembly includes a liquid inlet body with a liquid inlet channel. The negative pressure assembly includes a negative pressure body and a scraper. The negative pressure body is movably connected to the liquid inlet body, and a negative pressure chamber is formed within the negative pressure body. The scraper is embedded in the negative pressure body and communicates with the negative pressure chamber, with a portion of the scraper extending out from the negative pressure body. The drive unit is connected to the negative pressure body and drives the negative pressure body to reciprocate on the liquid inlet body, thereby switching the scraper between a working position and a cleaning position. When the scraper is in the cleaning position, the cleaning fluid in the liquid inlet channel flows along the working surface of the scraper to the negative pressure chamber to clean the accumulated material inside the scraper. This significantly improves production continuity, accurately flushes the accumulated material inside the scraper, ensures the cleanliness and geometric consistency of the electrode welding groove, and improves the welding quality and electrical performance of lithium batteries.

Description

Technical Field

[0001] This invention relates to the field of scraper cleaning technology, and in particular to a scraper cleaning device and a tool for processing electrode welding grooves. Background Technology

[0002] The tab-center coating is a process for preparing tab welding grooves. A precisely controlled scraper mechanism scrapes the wet film coated with active material to remove slurry in specific areas. Then, during the drying process, the edge area of ​​the tab groove undergoes self-leveling to form the tab welding groove.

[0003] However, in the tab-centered coating method, the scraper blade is always exposed during operation. In continuous production, slurry easily accumulates on the blade, leading to distorted tank shape and decreased cleanliness. The cleanliness and geometric consistency of the tab tank have a decisive impact on the welding quality and electrical performance of lithium batteries. Insufficient tank cleanliness can easily lead to incomplete tab welding or sparking during welding. Unreliable incomplete welds significantly increase the battery's internal resistance, causing localized overheating and reduced energy efficiency. Fluctuations in the tank's geometric shape alter the positioning distance for tab welding, greatly reducing welding precision and hindering subsequent cell fabrication. Therefore, frequent shutdowns and manual cleaning are necessary, severely restricting production efficiency. Summary of the Invention

[0004] This invention provides a scraper cleaning device and a electrode tab welding groove processing equipment to solve the problem of frequent machine shutdowns and manual cleaning, which seriously restricts production efficiency.

[0005] This invention discloses a scraper cleaning device, including a liquid inlet assembly, a negative pressure assembly, and a driving component. The liquid inlet assembly includes a liquid inlet body with a liquid inlet channel formed thereon. The negative pressure assembly includes a negative pressure body and a scraper. The negative pressure body is movably connected to the liquid inlet body, and a negative pressure cavity is formed inside the negative pressure body. The scraper is embedded in the negative pressure body and communicates with the negative pressure cavity, with a portion of the scraper extending out from the negative pressure body. The driving component is connected to the negative pressure body and is used to drive the negative pressure body to reciprocate on the liquid inlet body, thereby switching the scraper between a working position and a cleaning position. When the scraper is in the cleaning position, the cleaning liquid in the liquid inlet channel flows along the working surface of the scraper to the negative pressure cavity to clean the accumulated material inside the scraper.

[0006] Optionally, the liquid inlet assembly further includes a liquid inlet pipe, which is located on the side of the liquid inlet body away from the negative pressure body. The liquid inlet pipe is connected to the liquid inlet channel, which gradually narrows along its inlet to outlet direction.

[0007] Optionally, the negative pressure body and the liquid inlet body are slidably connected in the vertical direction.

[0008] Optionally, the scraper includes a blade body, and the side of the blade body near the liquid inlet body forms a cavity with an opening. The blade body is embedded in the negative pressure body and partially extends out along the negative pressure body. The opening is used to connect the liquid inlet channel and the negative pressure cavity. The end of the extended portion of the negative pressure body is the working surface.

[0009] Optionally, the liquid inlet body has an installation groove on the side near the negative pressure body, a slide is provided in the installation groove, a slider is provided on the negative pressure body to cooperate with the slide, the slider is located in the installation groove, and a sealing element is provided between the slider and the negative pressure body, the sealing element is used to seal the part of the opening of the scraper away from the working surface.

[0010] Optionally, a negative pressure pipe is provided on the side of the negative pressure body away from the liquid inlet body. The negative pressure pipe is connected to the negative pressure chamber and is used to connect to an external negative pressure device. An electronic negative pressure gauge is also provided on the negative pressure pipe.

[0011] Optionally, the scraper cleaning device further includes a mounting frame, the drive unit is mounted on the mounting frame, and a bracket is also provided on the mounting frame, the bracket being connected to the liquid inlet body.

[0012] Optionally, the scraper cleaning device further includes an adjustment component disposed between the drive member and the negative pressure body. The adjustment component is used to adjust the levelness of the negative pressure body to adjust the working position of the working surface.

[0013] Optionally, the adjustment component includes a mounting block, a connecting block, and a control component. The mounting block is connected to the driving component via a first connector. The connecting block is located on the side of the mounting block away from the driving component and is connected to the negative pressure body via a second connector. The control component is located at the end of the mounting block opposite to the connecting block. The control component includes two first micrometers and two second micrometers. The two first micrometers are arranged correspondingly in the left-right direction, and the two second micrometers are arranged correspondingly in the front-back direction, and are respectively connected to the connecting block through the mounting block. The first micrometers and the second micrometers are used for fine-tuning the working surface.

[0014] The present invention also discloses a tab welding groove processing device, including a foil and a coating layer and the above-mentioned scraper cleaning device. The coating layer is disposed on one side of the foil, and the scraper cleaning device is disposed on the side of the foil close to the coating layer. When the scraper is in the working position, the scraper moves close to the coating layer and processes the tab welding groove on the coating layer.

[0015] The beneficial effects of the scraper cleaning device and the electrode welding groove processing equipment provided by the present invention are as follows: the liquid inlet channel provided on the liquid inlet body is used to transport cleaning liquid and provide liquid support for scraper cleaning; the negative pressure component includes a negative pressure body and a scraper, the negative pressure body and the liquid inlet body are movably connected, so that the two can move relative to each other, and at the same time, under the action of the driving component, the negative pressure body reciprocates on the liquid inlet body, realizing the switching of the scraper between the working position and the cleaning position. When the scraper is in the working position, the driving component drives the negative pressure body and the scraper away from the liquid inlet body, and the extended part of the scraper performs scraping operation on the foil; when the scraper is in the cleaning position, the driving component drives the negative pressure body and the scraper closer to the liquid inlet body, so that the liquid inlet channel corresponds to the working surface of the scraper. At this time, the cleaning liquid transported by the liquid inlet channel will flow along the working surface of the scraper to the negative pressure chamber, and the liquid flushing action will clean the slurry accumulated on the scraper surface. At the same time, the negative pressure generated by the negative pressure chamber will promptly remove the waste cleaning liquid with slurry, completing the cleaning process. This embodiment achieves automatic cleaning of the scraper, which greatly improves production continuity. It can accurately flush away the accumulated material inside the scraper, while the negative pressure chamber promptly removes waste liquid, avoiding slurry residue after cleaning and ensuring the cleanliness of the scraper working surface. This, in turn, ensures the cleanliness and geometric consistency of the electrode welding groove, reduces the occurrence of incomplete welding and sparking, lowers the battery internal resistance, and improves the welding quality and electrical performance of lithium batteries. Attached Figure Description

[0016] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0017] Figure 1 This is one of the schematic diagrams of the scraper cleaning device according to an embodiment of the present invention; Figure 2 This is a second schematic diagram of the scraper cleaning device according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the liquid inlet body according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the negative pressure component according to an embodiment of the present invention.

[0018] The labels for the attached figures are as follows: 10. Liquid inlet assembly; 110. Liquid inlet body; 101. Liquid inlet channel; 120. Liquid inlet pipe; 1101. Mounting groove; 111. Slide rail; 20. Negative pressure assembly; 210. Negative pressure body; 211. Slider; 212. Seal; 2101. Negative pressure chamber; 220. Scraper; 221. Blade; 201. Opening; 202. Cavity; 222. Working surface; 230. Negative pressure pipe; 240. Electronic negative pressure gauge; 30. Drive component; 40. Mounting frame; 410. Bracket; 50. Adjustment assembly; 510. Mounting block; 520. Connecting block; 531. First micrometer; 540. First connector; 550. Second connector; 60. Foil; 610. Coating layer. Detailed Implementation

[0019] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0020] This invention provides a scraper cleaning device, such as... Figures 1 to 4 As shown, the assembly includes a liquid inlet component 10, a negative pressure component 20, and a drive component 30. The liquid inlet component 10 includes a liquid inlet body 110, on which a liquid inlet channel 101 is formed. The negative pressure component 20 includes a negative pressure body 210 and a scraper 220. The negative pressure body 210 is movably connected to the liquid inlet body 110, and a negative pressure cavity 2101 is formed inside the negative pressure body 210. The scraper 220 is embedded in the negative pressure body 210 and communicates with the negative pressure cavity 2101, with a portion of the scraper 220 extending out from inside the negative pressure body 210. The drive component 30 is connected to the negative pressure body 210 and is used to drive the negative pressure body 210 to reciprocate on the liquid inlet body 110, thereby switching the scraper 220 between a working position and a cleaning position. When the scraper 220 is in the cleaning position, the cleaning fluid in the liquid inlet channel 101 flows along the working surface 222 of the scraper 220 to the negative pressure cavity 2101 to clean the scraper 220.

[0021] The liquid inlet channel 101 on the liquid inlet body 110 is used to deliver cleaning fluid and provide liquid support for the cleaning of the scraper 220. The negative pressure assembly 20 includes a negative pressure body 210 and a scraper 220. The negative pressure body 210 and the liquid inlet body 110 are movably connected, allowing them to move relative to each other. Under the action of the drive component 30, the negative pressure body 210 reciprocates on the liquid inlet body 110, realizing the switching of the scraper 220 between the working position and the cleaning position. When the scraper 220 is in the working position, the drive component 30 drives the negative pressure body 210 and the scraper 220 away from the liquid inlet body. 110. The extended part of the scraper 220 performs scraping operation on the foil 60. When the scraper 220 is in the cleaning position, the drive unit 30 drives the negative pressure body 210 and the scraper 220 to approach the liquid inlet body 110, so that the liquid inlet channel 101 corresponds to the working surface 222 of the scraper 220. At this time, the cleaning liquid delivered by the liquid inlet channel 101 will flow along the working surface 222 of the scraper 220 to the negative pressure chamber 2101, and use the liquid flushing action to clean the slurry accumulated on the surface of the scraper 220. At the same time, the negative pressure generated by the negative pressure chamber 2101 will promptly remove the waste cleaning liquid containing slurry, thus completing the cleaning process. This embodiment achieves automatic cleaning of the scraper 220, which greatly improves production continuity. It can accurately flush away the accumulated material inside the scraper 220, while the negative pressure chamber 2101 promptly removes waste liquid to avoid slurry residue after cleaning, ensuring the cleanliness of the working surface 222 of the scraper 220. This, in turn, ensures the cleanliness and geometric consistency of the electrode welding groove, reduces the phenomenon of false welding and sparking, lowers the internal resistance of the battery, and improves the welding quality and electrical performance of the lithium battery.

[0022] In this embodiment, the driving component 30 can be a motor. The motor drives the negative pressure body 210 to approach or move away from the foil 60. When the scraper 220 moves down to the working position, it presses against the foil 60. The foil 60 continues to move backward, and the scraper 220 scrapes up the coating layer 610 in the corresponding area. After scraping is completed, the driving component 30 immediately lifts the scraper 220 back to the cleaning position for cleaning, leaving a clean electrode tab welding groove on the coating layer 610.

[0023] In this embodiment, after the scraper 220 has worked continuously for 100-500 times, the scraper cleaning device will increase the hydraulic pressure to perform a deep cleaning of the scraper 220 with a stronger fluid flow, so as to completely remove the residue.

[0024] As an optional solution in this embodiment, refer to Figure 1 and Figure 2 The liquid inlet assembly 10 also includes a liquid inlet pipe 120, which is located on the side of the liquid inlet body 110 away from the negative pressure body 210. The liquid inlet pipe 120 is connected to the liquid inlet channel 101, which gradually narrows along its inlet to outlet direction.

[0025] The inlet pipe 120 allows the cleaning fluid to be continuously and stably input into the inlet channel 101 via external equipment, avoiding the tedious manual addition of cleaning fluid and ensuring uninterrupted supply during cleaning, thus improving the continuity and stability of cleaning. The "gradually narrowing" design of the inlet channel 101 balances the hydraulic pressure and increases the outlet flow rate of the cleaning fluid, creating a high-pressure spray effect. This provides powerful rinsing of the scraper 220, more efficiently flushing away stubborn deposits on the working surface 222 and inside the scraper 220. This solves the problem that ordinary flow rate cleaning fluid cannot completely remove deposits, further ensuring the cleanliness of the scraper 220.

[0026] As an optional solution in this embodiment, refer to Figure 1 and Figure 2 The negative pressure body 210 and the liquid inlet body 110 are slidably connected in the vertical direction.

[0027] In this embodiment, the negative pressure body 210 and the liquid inlet body 110 are connected by sliding. When the driving component 30 drives the negative pressure body 210, the negative pressure body 210 slides up and down along the vertical direction of the liquid inlet body 110. When the negative pressure body 210 slides downwards, it moves the scraper 220 away from the liquid inlet body 110, and the extended portion of the scraper 220 contacts the coating layer 610, entering the working position. When the negative pressure body 210 slides upwards, it moves the scraper 220 closer to the liquid inlet body 110, aligning the working surface 222 of the scraper 220 with the outlet of the liquid inlet channel 101, entering the cleaning position. This sliding connection method provides structural stability and allows for precise control of the scraper 220's displacement.

[0028] As an optional solution in this embodiment, refer to Figure 4 The scraper 220 includes a blade 221. The side of the blade 221 near the liquid inlet body 110 forms a cavity 202 with an opening 201. The blade 221 is embedded in the negative pressure body 210 and partially extends out along the negative pressure body 210. The opening 201 is used to connect the liquid inlet channel 101 and the negative pressure cavity 2101. The end of the extended part of the negative pressure body 210 is the working surface 222.

[0029] The scraper 220 includes a blade body 221. The cavity 202 is a key structure for the flow of cleaning fluid and the collection of accumulated material. The opening 201 on the blade body 221 is used to connect the liquid inlet channel 101 and the negative pressure chamber 2101. During cleaning, the cleaning fluid in the liquid inlet channel 101 enters the cavity 202 of the blade body 221 through the opening 201. After rinsing the accumulated material on the working surface 222, the waste cleaning fluid carrying the accumulated material enters the negative pressure chamber 2101 through the cavity 202 and is drawn away by the negative pressure, completing the cleaning cycle. At the same time, the scraper 220 is a hollow blade body 221 with a sharp blade edge, which makes it easy to scoop up the slurry.

[0030] As an optional solution in this embodiment, refer to Figure 3 and Figure 4 The liquid inlet body 110 has an installation groove 1101 on the side near the negative pressure body 210. A slide 111 is provided in the installation groove 1101. A slider 211 that cooperates with the slide 111 is provided on the negative pressure body 210. The slider 211 is located in the installation groove 1101. A sealing element 212 is provided between the slider 211 and the negative pressure body 210. The sealing element 212 is used to seal the part of the opening 201 of the scraper 220 on the side away from the working surface 222.

[0031] The mounting groove 1101 provides a basis for the cooperation between the slide rail 111 and the slider 211. The seal 212 is disposed between the slider 211 and the negative pressure body 210, sealing a portion of the opening 201 of the scraper 220 away from the working surface 222. In other words, the seal 212 can block the portion of the opening 201 of the blade 221 that does not correspond to the liquid inlet channel 101, forming a reliable seal. This ensures that the cleaning fluid can only enter the cavity 202 of the blade 221 through the area of ​​the opening 201 that matches the liquid inlet channel 101, preventing cleaning fluid leakage. In this embodiment, the seal 212 can be made of a polymer gasket; no specific limitation is made here.

[0032] As an optional solution in this embodiment, refer to Figure 1 and Figure 2 A negative pressure pipe 230 is provided on the side of the negative pressure body 210 away from the liquid inlet body 110. The negative pressure pipe 230 is connected to the negative pressure chamber 2101. The negative pressure pipe 230 is used to connect to an external negative pressure device. An electronic negative pressure gauge 240 is also provided on the negative pressure pipe 230.

[0033] The negative pressure pipe 230 is used to connect to an external negative pressure device (such as a vacuum pump) to provide a stable negative pressure to the negative pressure chamber 2101. Under the suction of the vacuum pump, the waste liquid is discharged in time and the collection is completed.

[0034] An electronic negative pressure gauge 240 is installed on the negative pressure pipe 230 to detect the negative pressure value inside the pipe 230 in real time, thereby reflecting the negative pressure state inside the negative pressure chamber 2101. The scraper cleaning device automatically adjusts the cleaning intensity according to the changes in negative pressure to ensure that the scraper 220 is always clean. Simultaneously, the detected negative pressure value can be displayed in real time for easy monitoring by staff. When an abnormal negative pressure value occurs, staff can promptly detect and handle it, avoiding problems such as incomplete cleaning and equipment malfunction due to abnormal negative pressure. The electronic negative pressure gauge 240 on the negative pressure pipe 230 monitors minute fluctuations in the negative pressure inside the pipe in real time and immediately feeds them back to the system. If residual slurry remains on the scraper 220, it will obstruct the fluid, causing the negative pressure to deviate from the set value. If the deviation exceeds 0.005-0.05 MPa, the scraper 220 is immediately recalled to the cleaning position and forcefully rinsed with high-pressure solvent for 3-15 seconds until the negative pressure is restored, thus ensuring the quality of the tab forming.

[0035] As an optional solution in this embodiment, refer to Figure 1 and Figure 2 The scraper cleaning device also includes a mounting frame 40, a drive unit 30 is mounted on the mounting frame 40, and a bracket 410 is also mounted on the mounting frame 40, which is connected to the liquid inlet body 110.

[0036] The mounting frame 40 serves as the foundation for the entire device. The drive unit 30 is fixedly mounted on the mounting frame 40, providing stable support and ensuring stable operation of the drive unit 30, thus providing reliable power for the reciprocating motion of the negative pressure body 210. The bracket 410 is mounted on the mounting frame 40 and connected to the liquid inlet body 110. Its core function is to fix the liquid inlet body 110, ensuring that it maintains a stable relative position with the negative pressure body 210, preventing the liquid inlet body 110 from shaking or shifting during equipment operation, and ensuring precise alignment between the liquid inlet channel 101 and the scraper 220 opening 201.

[0037] As an optional solution in this embodiment, refer to Figure 1 and Figure 2 The scraper cleaning device also includes an adjustment component 50, which is located between the drive component 30 and the negative pressure body 210. The adjustment component 50 is used to adjust the level of the negative pressure body 210 to adjust the working position of the working surface 222.

[0038] By adjusting the level of the negative pressure body 210 through component 50, the working surface 222 of the scraper 220 can be ensured to be horizontal. This avoids problems such as uneven depth and geometric distortion of the electrode welding grooves during scraping caused by the tilt of the working surface 222, further ensuring the geometric consistency of the electrode welding grooves and improving the welding quality and electrical performance of the lithium battery. At the same time, after the level of the working surface 222 is adjusted, the cleaning fluid delivered by the liquid inlet channel 101 can evenly cover the entire working surface 222, avoiding problems such as incomplete cleaning and material residue caused by the tilt of the working surface 222, further improving cleaning reliability.

[0039] As an optional solution in this embodiment, refer to Figure 1 and Figure 2The adjustment component 50 includes a mounting block 510, a connecting block 520, and a control component. The mounting block 510 is connected to the drive component 30 via a first connector 540. The connecting block 520 is located on the side of the mounting block 510 away from the drive component 30 and is connected to the negative pressure body 210 via a second connector 550. The control component is located at the end of the mounting block 510 away from the connecting block 520. The control component includes two first micrometers 531 and two second micrometers (not shown in the figure). The two first micrometers 531 are arranged correspondingly in the left-right direction, and the two second micrometers are arranged correspondingly in the front-back direction. They pass through the mounting block 510 and are connected to the connecting block 520 respectively. The first micrometers 531 and the second micrometers are used to fine-tune the working surface 222.

[0040] The first micrometer 531 and the second micrometer have extremely high adjustment precision. Through the cooperation of the two first micrometers 531 and the two second micrometers, the horizontal and vertical level of the negative pressure body 210 can be precisely adjusted respectively, ensuring that the working surface 222 of the scraper 220 is in optimal condition. This minimizes scraping deviation and cleaning dead zones, improves the processing quality of the electrode welding groove, and enhances the cleaning effect of the scraper 220. Operators can directly adjust the level by rotating the first micrometer 531 and the second micrometer, making operation simple and convenient. It eliminates the need for complex adjustment tools and procedures, reducing adjustment difficulty, saving adjustment time, and improving production efficiency.

[0041] This application also discloses a device for processing electrode welding grooves, referring to... Figure 1 and Figure 2 It includes a foil 60 and a coating layer 610, as well as the scraper cleaning device in the aforementioned embodiment. The coating layer 610 is disposed on one side of the foil 60, and the scraper cleaning device is disposed on the side of the foil 60 close to the coating layer 610. When the scraper 220 is in the working position, the scraper 220 moves close to the coating layer 610 and processes the tab welding groove on the coating layer 610.

[0042] The electrode welding groove processing equipment has the same structure and beneficial effects as the scraper cleaning device in the foregoing embodiments. The structure and beneficial effects of the scraper cleaning device have been described in detail in the foregoing embodiments and will not be repeated here.

[0043] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit them. Those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some of the technical features; and all such modifications and substitutions should fall within the protection scope of the appended claims of the present invention.

Claims

1. A scraper cleaning device, characterized in that, include: A liquid inlet assembly includes a liquid inlet body, on which a liquid inlet channel is formed; A negative pressure assembly includes a negative pressure body and a scraper. The negative pressure body is movably connected to a liquid inlet body. A negative pressure cavity is formed inside the negative pressure body. The scraper is embedded in the negative pressure body and communicates with the negative pressure cavity, and a portion of the scraper extends out from inside the negative pressure body. A driving component, connected to the negative pressure body, is used to drive the negative pressure body to reciprocate on the liquid inlet body, thereby switching the scraper between the working position and the cleaning position. When the scraper is in the cleaning position, the cleaning fluid in the liquid inlet channel flows along the working surface of the scraper to the negative pressure chamber to clean the accumulated material in the scraper.

2. The scraper cleaning device according to claim 1, characterized in that, The liquid inlet assembly also includes a liquid inlet pipe, which is located on the side of the liquid inlet body away from the negative pressure body. The liquid inlet pipe is connected to the liquid inlet channel, which gradually narrows from its inlet to its outlet.

3. The scraper cleaning device according to claim 2, characterized in that, The negative pressure body and the liquid inlet body are slidably connected in the vertical direction.

4. The scraper cleaning device according to claim 3, characterized in that, The scraper includes a blade body, and a cavity with an opening is formed on the side of the blade body near the liquid inlet body. The blade body is embedded in the negative pressure body and extends partially along the negative pressure body. The opening is used to connect the liquid inlet channel and the negative pressure cavity. The end of the extended portion of the negative pressure body is the working surface.

5. The scraper cleaning device according to claim 4, characterized in that, The liquid inlet body has an installation groove on the side near the negative pressure body. A slide is provided in the installation groove. A slider that cooperates with the slide is provided on the negative pressure body. The slider is located in the installation groove. A sealing element is provided between the slider and the negative pressure body. The sealing element is used to seal the part of the opening on the side of the scraper away from the working surface.

6. The scraper cleaning device according to claim 5, characterized in that, A negative pressure pipe is provided on the side of the negative pressure body away from the liquid inlet body. The negative pressure pipe is connected to the negative pressure chamber and is used to connect to an external negative pressure device. An electronic negative pressure gauge is also provided on the negative pressure pipe.

7. The scraper cleaning device according to any one of claims 1 to 6, characterized in that, The scraper cleaning device also includes a mounting frame, the drive unit is mounted on the mounting frame, and a bracket is also provided on the mounting frame, the bracket being connected to the liquid inlet body.

8. The scraper cleaning device according to claim 7, characterized in that, The scraper cleaning device also includes an adjustment component, which is located between the drive unit and the negative pressure body. The adjustment component is used to adjust the levelness of the negative pressure body to adjust the working position of the working surface.

9. The scraper cleaning device according to claim 8, characterized in that, The adjustment component includes a mounting block, a connecting block, and a control component. The mounting block is connected to the driving component via a first connector. The connecting block is located on the side of the mounting block away from the driving component and is connected to the negative pressure body via a second connector. The control component is located at the end of the mounting block opposite to the connecting block. The control component includes two first micrometers and two second micrometers. The two first micrometers are arranged correspondingly in the left-right direction, and the two second micrometers are arranged correspondingly in the front-back direction, and are respectively connected to the connecting block through the mounting block. The first micrometers and the second micrometers are used for fine-tuning the working surface.

10. A device for processing electrode tab welding grooves, characterized in that, The device includes a foil and a coating layer, as well as a scraper cleaning device according to any one of claims 1 to 9, wherein the coating layer is disposed on one side of the foil, and the scraper cleaning device is disposed on the side of the foil close to the coating layer. When the scraper is in the working position, the scraper moves close to the coating layer and processes a tab welding groove on the coating layer.

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