Roll cleaning equipment and rolling equipment

Abstract

This application relates to a roll cleaning device and a roll pressing device. The roll cleaning device includes: a laser cleaning mechanism disposed on one side of the roll; the laser cleaning mechanism is used to perform laser cleaning on the roll surface; an air knife cleaning mechanism disposed behind the laser cleaning mechanism along the rotation direction of the roll; the air knife cleaning mechanism is used to perform airflow cleaning and cooling on the roll surface; and a negative pressure dust collection mechanism disposed between the laser cleaning mechanism and the air knife cleaning mechanism along the rotation direction of the roll; the negative pressure dust collection mechanism is used to collect dust under negative pressure in the cleaning areas of the laser cleaning mechanism and the air knife cleaning mechanism. The solution provided by this application can ensure the cleaning effect on the roll surface, effectively prevent the roll surface from deforming after laser cleaning, thereby improving the roll life and effectively ensuring the rolling pressing accuracy when the roll is used to roll-press electrodes.

Description

Technical Field

[0001] This application relates to the field of electrode rolling equipment technology, and more particularly to a roll cleaning device and rolling equipment. Background Technology

[0002] During the rolling production of lithium battery electrodes, dust, oil and other contaminants easily accumulate on the roller surface during long-term operation. Therefore, regular cleaning is necessary to ensure the cleanliness of the roller surface and the rolling quality.

[0003] In related technologies, a combination of scraper and laser cleaning is usually used to clean the surface of the rolls. Although the above methods can achieve a certain cleaning effect, laser cleaning can easily cause the rolls to heat up, which can lead to deformation and affect the service life of the rolls. In addition, scraper cleaning requires direct contact with the roll surface. After the roll surface is deformed after laser cleaning, gaps can easily form between the scraper and the roll surface, which can affect the overall cleaning effect of the roll surface. Utility Model Content

[0004] To solve or partially solve the problems existing in the related technologies, this application provides a roll cleaning device and a roll pressing equipment, which can ensure the cleaning effect of the roll surface, effectively prevent the roll surface from deforming after laser cleaning, thereby improving the roll life and effectively ensuring the rolling accuracy when the roll is used to roll pressing electrode sheets.

[0005] The first aspect of this application provides a roll cleaning apparatus for cleaning the surface of the same roll, comprising: A laser cleaning mechanism is disposed on one side of the roll; the laser cleaning mechanism is used to perform laser cleaning on the roll surface; An air knife cleaning mechanism is positioned behind the laser cleaning mechanism along the rotation direction of the roll; the air knife cleaning mechanism is used to perform air-powered cleaning and cooling of the roll surface; and A negative pressure dust collection mechanism is disposed between the laser cleaning mechanism and the air knife cleaning mechanism along the rotation direction of the roller; the negative pressure dust collection mechanism is used to collect dust under negative pressure in the cleaning areas of the laser cleaning mechanism and the air knife cleaning mechanism.

[0006] In some embodiments, the laser cleaning mechanism includes: a drive assembly, a laser output module, a lens assembly, and a dustproof air knife assembly; The drive assembly is disposed on one side of the roll along the axial direction of the roll; the laser output module is disposed on the drive assembly; one end of the lens assembly is connected to the laser output module, and the other end of the lens assembly faces the roll surface; the dustproof air knife assembly is disposed on the end of the lens assembly facing the roll.

[0007] In some embodiments, the laser cleaning mechanism further includes: a light-shielding component; The light-shielding component is disposed on the side of the dustproof air knife component near the roll.

[0008] In some embodiments, the air knife cleaning mechanism includes: a cleaning air knife assembly and an adjusting cylinder; One end of the cleaning air knife assembly is connected to the adjusting cylinder, and the other end of the cleaning air knife assembly faces the roll surface and is provided with a cleaning air outlet; the length of the cleaning air outlet matches the length of the roll surface. The regulating cylinder is configured to drive the cleaning air knife assembly toward the roll.

[0009] In some embodiments, the negative pressure dust collection mechanism includes: a first negative pressure dust collection hood and a second negative pressure dust collection hood; The dust collection ends of both the first and second negative pressure dust collection hoods face the roll surface of the roller. The first and second negative pressure dust collection hoods are configured to communicate with an external negative pressure dust collector. The first negative pressure dust collection hood is correspondingly arranged with the lens assembly, and the second negative pressure dust collection hood is correspondingly arranged with the cleaning air knife assembly.

[0010] In some embodiments, the first negative pressure dust collection hood has a cleaning window corresponding to the lens assembly, and the laser beam emitted by the lens assembly penetrates the cleaning window and reaches the roll surface of the roll.

[0011] In some embodiments, the cleaning air outlet is at an angle to the roll surface; the dust collection end of the second negative pressure dust collection hood corresponds to the air outlet direction of the cleaning air outlet.

[0012] In some embodiments, the negative pressure dust collection mechanism further includes: a linkage component; The linkage component and the drive component are arranged in parallel; the first negative pressure dust collection hood is installed on the linkage component, and one end of the linkage component is connected to the drive end of the drive component.

[0013] In some embodiments, the device further includes: A CCD detection mechanism is located on the electrode exit side of the roll; wherein the CCD detection mechanism is positioned in front of the laser cleaning mechanism along the rotation direction of the roll; the CCD detection mechanism is used to collect the roll surface information of the roll so that the laser cleaning mechanism can adjust its cleaning area according to the roll surface information.

[0014] A second aspect of this application provides a rolling mill apparatus, comprising: at least two rolls and at least two roll cleaning devices as described in the first aspect of this application; each of the roll cleaning devices is correspondingly wound around one of the rolls.

[0015] The technical solution provided in this application may include the following beneficial effects: The technical solution of this application achieves non-contact, two-stage cleaning of the roll surface by setting a laser cleaning mechanism and an air knife cleaning mechanism to work together along the rotation direction of the roll, ensuring the cleaning effect of the roll surface; a negative pressure dust collection mechanism is set between the laser cleaning mechanism and the air knife cleaning mechanism to promptly extract dust and impurities generated during the cleaning process, preventing pollution diffusion and redeposition; the air knife cleaning mechanism and the negative pressure dust collection mechanism simultaneously provide multi-stage cooling to the roll surface, effectively preventing deformation of the roll surface after laser cleaning, thereby improving the roll life and effectively ensuring the rolling accuracy when the roll is used to roll-press electrodes.

[0016] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0017] The above and other objects, features and advantages of this application will become more apparent from the more detailed description of exemplary embodiments thereof in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments thereof.

[0018] Figure 1 This is a schematic diagram of the structure of the roll cleaning device shown in the embodiments of this application; Figure 2 This is another structural schematic diagram of the roll cleaning device shown in the embodiments of this application; Figure 3 This is another structural schematic diagram of the roll cleaning device shown in the embodiments of this application; Figure 4 This is a schematic diagram of the structure of the roller pressing equipment shown in the embodiments of this application.

[0019] Reference numerals: 10, Laser cleaning mechanism; 110, Drive assembly; 120, Laser output module; 130, Lens assembly; 140, Dustproof air knife assembly; 150, Light shielding assembly; 151, Rotary cylinder; 152, Baffle; 20, Air knife cleaning mechanism; 210, Cleaning air knife assembly; 220, Adjusting cylinder; 30, Negative pressure dust collection mechanism; 310, First negative pressure dust collection hood; 311, Cleaning window; 320, Second negative pressure dust collection hood; 330, Linkage assembly; 331, Slide rail; 332, Linkage bracket; 40, CCD detection mechanism; 50, Roller. Detailed Implementation

[0020] Embodiments of this application will now be described in more detail with reference to the accompanying drawings. While embodiments of this application are shown in the drawings, it should be understood that this application may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make this application more thorough and complete, and to fully convey the scope of this application to those skilled in the art.

[0021] It should be understood that although the terms "first," "second," "third," etc., may be used in this application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of this application, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified. It should also be understood that the term "and / or" as used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0022] In the description of this application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0023] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0024] In related technologies, a combination of scraper and laser cleaning is usually used to clean the surface of the rolls. Although the above methods can achieve a certain cleaning effect, laser cleaning can easily cause the rolls to heat up, which can lead to deformation and affect the service life of the rolls. In addition, scraper cleaning requires direct contact with the roll surface. After the roll surface is deformed after laser cleaning, gaps can easily form between the scraper and the roll surface, which can affect the overall cleaning effect of the roll surface.

[0025] To address the aforementioned issues, this application provides a roll cleaning device that ensures effective cleaning of the roll surface, effectively prevents deformation of the roll surface after laser cleaning, thereby improving the roll's lifespan and ensuring the roll pressing accuracy when the roll is used to press electrode sheets.

[0026] The technical solutions of the embodiments of this application are described in detail below with reference to the accompanying drawings.

[0027] Figure 1 This is a schematic diagram of the structure of the roll cleaning device shown in the embodiments of this application; Figure 2 This is another structural schematic diagram of the roll cleaning device shown in the embodiments of this application.

[0028] See Figure 1 as well as Figure 2 The pressure roller cleaning device of this application is used for cleaning the roller surface of the same roller, including: laser cleaning mechanism 10, air knife cleaning mechanism 20 and negative pressure dust collection mechanism 30.

[0029] The laser cleaning mechanism 10 is located on one side of the roll. The laser cleaning mechanism 10 mainly removes the deposits on the roll surface by directionally outputting a laser beam toward the roll surface.

[0030] The air knife cleaning mechanism 20 is located behind the laser cleaning mechanism 10 along the rotation direction of the roll. The air knife cleaning mechanism 20 mainly uses air knives formed by outputting high-speed airflow toward the roll surface to perform air cleaning on the roll surface, and removes residual particles from the roll surface while carrying away surface heat.

[0031] The negative pressure dust collection mechanism 30 is disposed between the laser cleaning mechanism 10 and the air knife cleaning mechanism 20 along the rotation direction of the roller. The negative pressure dust collection mechanism 30 forms a local negative pressure environment on the roller surface, corresponding to the cleaning areas of the laser action area of ​​the laser cleaning mechanism 10 and the air knife action area of ​​the air knife cleaning mechanism 20, thereby achieving negative pressure dust collection in the above-mentioned cleaning areas and timely removing suspended particulate matter.

[0032] When the roll cleaning device of this application is working, the rolls rotate in the same direction. The laser cleaning mechanism, the negative pressure dust collection mechanism, and the air knife cleaning mechanism are arranged in sequence along the rotation direction of the rolls. The laser cleaning mechanism removes the adhering substances on the roll surface in a non-contact laser cleaning manner. The laser cleaning area is subjected to negative pressure dust collection by the negative pressure dust collection mechanism. As the rolls rotate, the roll surface that has completed laser cleaning rotates to the position of the corresponding air knife cleaning mechanism. The air knife cleaning mechanism performs secondary cleaning on the roll surface and provides uniform cooling in a non-contact air knife cleaning manner to maintain the surface geometric accuracy of the rolls. The air knife cleaning area is also subjected to negative pressure dust collection by the negative pressure dust collection mechanism.

[0033] Figure 3 This is another structural schematic diagram of the roll cleaning device shown in the embodiments of this application.

[0034] Please see also Figure 3 As shown, in some embodiments, the laser cleaning mechanism 10 may include a drive assembly 110, a laser output module 120, a lens assembly 130, and a dustproof air knife assembly 140. The drive assembly 110 is disposed on one side of the roll along the axial direction of the roll.

[0035] The drive assembly 110 can be a linear motion device arranged along the axial direction of the roll. The drive assembly 110 can be a linear motor or a ball screw structure. A laser output module 120 is disposed on the drive assembly 110 and is used to generate a high-energy laser beam. The laser output module 120 can be a fiber laser or a semiconductor laser. One end of the lens assembly 130 is connected to the laser output module 120, and the other end faces the roll surface. The lens assembly 130 is used to focus the laser beam generated by the laser output module 120 onto the roll surface to achieve laser cleaning of the roll surface. The lens assembly 130 can consist of at least a galvanometer and a field lens connected to each other. A dustproof air knife assembly 140 is disposed at the end of the lens assembly 130 facing the roll. The dustproof air knife assembly 140 mainly serves to continuously output annular airflow at the end of the lens assembly 130, forming a physical isolation barrier to prevent dust particles generated during laser cleaning from splashing back onto the lens surface, thereby ensuring the cleaning effect of the laser cleaning mechanism 10 on the roll surface.

[0036] It is understood that when the laser cleaning mechanism 10 is working, the laser output module 120 generates a high-energy laser beam. After the laser beam is focused by the lens assembly 130, it forms a laser beam with a certain width and is focused onto the roller surface to form a corresponding cleaning area. Under the rotation of the roller, the roller surface of a certain width range is laser cleaned. Under the driving action of the drive assembly 110, the remaining components of each laser cleaning mechanism 10 move a certain distance along the axis of the roller to reach the next cleaning position. Then, the roller surface cleaning process of the next certain width is started. This process is repeated to complete the laser cleaning of the roller surface of the entire usable area of ​​the roller. During the laser cleaning process, the dustproof air knife assembly 140 provides an annular airflow around the end of the lens assembly 130, forming an air curtain separating the roller surface and the lens assembly 130. This air curtain is used to block the dust particles generated during the laser cleaning process from splashing back to the lens surface at the end of the lens assembly 130.

[0037] In some embodiments, the laser cleaning mechanism 10 further includes a light-shielding component 150. The light-shielding component 150 is disposed on the side of the dustproof air knife assembly 140 near the roller. The light-shielding component 150 is used to block the laser path of the laser beam emitted from the lens assembly 130 when not in operation, thereby achieving precise control of the laser cleaning process.

[0038] The laser output module 120, lens assembly 130, dustproof air knife assembly 140, and light shield assembly 150 are closely arranged together. When the laser cleaning mechanism 10 stops working, the light shield assembly 150 can also effectively protect the lens assembly 130 from dust.

[0039] The light-shielding component 150 may include a rotary cylinder 151 and a baffle 152. The rotary cylinder 151 is fixed to one side of the lens assembly 130, and the baffle 152 is connected to the drive end of the rotary cylinder 151. After the laser output module 120 in the laser cleaning mechanism 10 receives a command to stop emitting light, it drives the baffle 152 from a position located on one side of the lens assembly 130 to a position blocking the end of the lens assembly 130 via the rotary cylinder 151, thereby blocking the laser and effectively preventing injury to people or rollers caused by the laser output module failing to stop emitting light due to a malfunction.

[0040] It should be understood that the obstruction range of the baffle 152 is greater than the lens range of the lens assembly 130.

[0041] In some embodiments, the air knife cleaning mechanism 20 includes a cleaning air knife assembly 210 and an adjusting cylinder 220. One end of the cleaning air knife assembly 210 is connected to the adjusting cylinder 220, and the other end of the cleaning air knife assembly 210 faces the roll surface and is provided with a cleaning air outlet (not shown in the figure). It should be understood that the cleaning air outlet is an outlet channel that forms a directional high-speed airflow. The cleaning air outlet can adopt a tapered air duct structure, utilizing cross-sectional changes to accelerate the airflow velocity, thereby giving the high-speed airflow output from the cleaning air outlet a stronger stripping capability. For example, the cleaning air knife assembly 210 can be an I-type air knife. The length of the cleaning air outlet matches the roll surface length, that is, the coverage area of ​​the high-speed airflow formed by the cleaning air outlet matches the roll surface length. The adjusting cylinder 220 is configured to drive the cleaning air knife assembly 210 to move towards the roll, thereby controlling the gap distance between the cleaning air knife assembly 210 and the roll surface.

[0042] It is understood that when the air knife cleaning mechanism 20 is working, the cleaning air knife assembly 210 is driven to move toward the roll by adjusting the cylinder 220. The distance between the cleaning air inlet of the cleaning air knife assembly 210 and the roll surface is pre-adjusted. Compressed air supplied by an external air source is used to form a continuous high-speed airflow layer at the cleaning air inlet, which washes away the contaminants attached to the roll surface in a non-contact manner, while providing effective cooling for the surface of the roll.

[0043] In some embodiments, the negative pressure dust collection mechanism 30 includes a first negative pressure dust collection hood 310 and a second negative pressure dust collection hood 320. The first negative pressure dust collection hood 310 is correspondingly disposed with the lens assembly 130; the second negative pressure dust collection hood 320 is correspondingly disposed with the cleaning air knife assembly 210. Both the first negative pressure dust collection hood 310 and the second negative pressure dust collection hood 320 have an air supply end for communication with an external negative pressure dust collector and a dust collection end for extracting and separating the dust particles. The dust collection ends of both the first negative pressure dust collection hood 310 and the second negative pressure dust collection hood 320 face the roller surface of the roller. With the above structure, the first negative pressure dust collection hood 310 and the second negative pressure dust collection hood 320 can respectively and promptly extract dust particles generated by laser cleaning and air knife cleaning.

[0044] Both the first negative pressure dust collection hood 310 and the second negative pressure dust collection hood 320 can be hood structures with cavities made of metal or composite materials.

[0045] The bottom opening shape of the first negative pressure dust collection hood 310 can match the laser cleaning area, thereby ensuring that the dust collection range of the first negative pressure dust collection hood 310 can effectively cover the laser cleaning area.

[0046] The tops of the first negative pressure dust collection hood 310 and the second negative pressure dust collection hood 320 can be connected to the same external negative pressure dust collector or to different external negative pressure dust collectors that are independent of each other through pipes.

[0047] In some embodiments, the first negative pressure dust collection hood 310 has a cleaning window 311 corresponding to the lens assembly 130. The laser beam emitted by the lens assembly 130 penetrates the cleaning window 311 and reaches the roller surface to achieve laser cleaning. Further, the cleaning window 311 can be a light-transmitting area on the surface of the first negative pressure dust collection hood 310; for example, the cleaning window can be made of a high-temperature resistant transparent material or a perforated structure. The cleaning window is aligned with the optical path axis of the lens assembly 130, thereby preventing the first negative pressure dust collection hood 310 from physically obstructing the laser transmission path. By providing a cleaning window on the first negative pressure dust collection hood 310, the first negative pressure dust collection hood 310 can integrate a light-transmitting window and a dust collection function, achieving synchronous operation of dust collection and laser transmission in physical space. This eliminates interference between the laser cleaning mechanism 10 and the negative pressure dust collection mechanism 30, further effectively ensuring the cleaning effect of the laser cleaning mechanism 10 on the roller surface.

[0048] In some embodiments, the cleaning air outlet of the cleaning air knife assembly 210 forms an angle with the roll surface, and the suction port corresponding to the dust collection end of the second negative pressure dust collection hood 320 corresponds to the air outlet direction of the cleaning air outlet. That is, the direction of the high-speed airflow formed by the cleaning air outlet forms a non-perpendicular angle with the tangent of the roll surface. This angle setting allows the wind force impact direction of the high-speed airflow provided at the cleaning air outlet to form a reverse shear force with the direction of contaminant adhesion on the roll surface, and the opening of the second negative pressure dust collection hood 320 faces the trajectory of the airflow after the wind force impact. Through the above settings, the secondary cleaning effect of the air knife cleaning mechanism 20 on the roll surface can be effectively improved, while ensuring that the contaminants carried by the high-speed airflow provided by the air knife cleaning mechanism 20 accurately enter the negative pressure dust collection mechanism 30 along a preset path.

[0049] The cleaning air knife assembly 210 is also equipped with a throttle valve (not shown in the figure) for adjusting the intake air volume. The throttle valve can be located in the air intake channel of the cleaning air outlet. For example, the throttle valve can be a butterfly valve or a needle valve. By adjusting the intake air volume through the throttle valve, the outlet air velocity of the cleaning air outlet can be changed. For example, the air velocity can be reduced to reduce energy consumption when the contaminants on the roller surface are weakly adhered, or the air velocity can be increased to enhance the cleaning effect when the contaminants are strongly adhered, thereby meeting different airflow cleaning needs.

[0050] In some embodiments, the negative pressure dust collection mechanism 30 further includes a linkage component 330. The linkage component 330 is arranged parallel to the drive component 110, and the first negative pressure dust collection hood 310 is mounted on the linkage component 330. One end of the linkage component 330 is connected to the drive end of the drive component 110. The linkage component 330 can be a mechanical transmission structure arranged parallel to the drive component 110. Through the linkage component 330, the power of the drive component 110 can be transmitted to the first negative pressure dust collection hood 310.

[0051] The linkage component 330 may include a slide rail 331 and a linkage bracket 332 slidably disposed on the slide rail 331. The slide rail 331 is arranged parallel to the drive component 110, and the first negative pressure dust collection hood 310 is disposed on the linkage bracket 332. One end of the linkage bracket 332 is connected to the drive end of the drive component 110.

[0052] It is understood that the linkage component 330 is kept parallel to the motion axis of the drive component 110 through the slide rail 331. When the linkage bracket 332 slides on the slide rail, its displacement is equal to the displacement output of the drive end of the drive component 110. When the drive component 110 drives the other modules of the laser cleaning mechanism 10 to move along the roller axis, the linkage bracket 332 synchronously pulls the first negative pressure dust collection hood 310 to move in the same direction and speed through mechanical connection, so that the suction port of the dust collection end of the first negative pressure dust collection hood 310 is always aligned with the laser cleaning area of ​​the laser cleaning mechanism 10, thereby realizing the dynamic alignment of the first negative pressure dust collection hood 310 and the laser cleaning area of ​​the laser cleaning mechanism 10, effectively reducing the escape of dust particles generated during the cleaning process, and further improving the negative pressure dust collection effect of the negative pressure dust collection mechanism 30.

[0053] In some embodiments, the roll cleaning apparatus of this application may further include a CCD detection mechanism 40. The CCD detection mechanism 40 is disposed on the electrode exit side of the roll. The CCD detection mechanism 40 is positioned in front of the laser cleaning mechanism 10 along the rotation direction of the roll. The CCD detection mechanism 40 collects roll surface information, allowing the laser cleaning mechanism 10 to adjust its cleaning area based on the roll surface information.

[0054] It should be understood that the electrode exit roll side refers to the area where the roll surface detaches from the electrode after the rolling mill has completed the electrode rolling process. Specifically, the electrode exit roll side corresponds to the downstream direction of the roll rotation. By obtaining information about the roll surface at this location, the contamination distribution on the actual working surface of the roll can be obtained.

[0055] The CCD inspection mechanism 40 may include a camera, a light source, and an image processing unit. Both the camera and the light source are positioned facing the roll surface, and the image processing unit is communicatively connected to the camera and the laser cleaning mechanism 10. By illuminating the roll surface with the light source and then capturing real-time image information of the corresponding roll surface through the camera, the image processing unit can obtain real-time dirt information of the roll surface at the corresponding location after processing the image information. It can also obtain information about the roll used for the current production model, such as the roll surface width and the roll surface area used during production. After obtaining the above-mentioned relevant roll surface information, the laser cleaning mechanism can automatically adjust the cleaning range. Furthermore, the laser cleaning mechanism 10 can also perform differentiated laser cleaning based on the different degrees of dirt at different roll surface locations, using the roll surface information provided by the CCD inspection mechanism 40.

[0056] The CCD inspection unit 40 can be equipped with multiple cameras to simultaneously acquire images of the roll surface from multiple angles.

[0057] The CCD testing organization 40 in this application can also be implemented using CCD testing technology from related technologies, and no restrictions are imposed here.

[0058] In this embodiment, the roll cleaning device of this application achieves non-contact two-stage cleaning of the roll surface by setting a laser cleaning mechanism and an air knife cleaning mechanism to work together along the roll rotation direction, ensuring the cleaning effect of the roll surface; a negative pressure dust collection mechanism is set between the laser cleaning mechanism and the air knife cleaning mechanism to timely suck up dust and impurities generated during the cleaning process, preventing pollution diffusion and redeposition; the air knife cleaning mechanism and the negative pressure dust collection mechanism simultaneously provide multi-stage cooling to the roll surface, effectively preventing the roll surface from deforming after laser cleaning, thereby improving the roll life and effectively ensuring the rolling accuracy when the roll is used to roll-press electrode sheets.

[0059] Corresponding to the aforementioned application function implementation device embodiments, this application also provides a rolling mill equipment and corresponding embodiments.

[0060] Figure 4 This is a schematic diagram of the structure of the roller pressing equipment shown in the embodiments of this application.

[0061] Please see also Figure 4 The rolling mill equipment of this application includes at least two rolls 50 and at least two roll cleaning devices as described in the foregoing embodiments, wherein each roll cleaning device is arranged around one roll 50. It is understood that a gap for pressing the electrode sheet is formed between the two rolls 50, and the two rolls 50 rotate in opposite directions to ensure that the rolled electrode sheet is transported in the same direction.

[0062] In this embodiment, the rolling equipment of this application achieves non-contact two-stage cleaning of the roll surface by setting a laser cleaning mechanism and an air knife cleaning mechanism to work together along the rotation direction of the roll, ensuring the cleaning effect of the roll surface; a negative pressure dust collection mechanism is set between the laser cleaning mechanism and the air knife cleaning mechanism to timely suck up the dust and impurities generated during the cleaning process, preventing the spread and redeposition of pollution; the air knife cleaning mechanism and the negative pressure dust collection mechanism simultaneously provide multi-stage cooling to the roll surface, effectively preventing the roll surface from deforming after laser cleaning, thereby improving the roll life and effectively ensuring the rolling accuracy when the roll is used to roll-press electrode sheets.

[0063] The solution of this application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of each embodiment have different focuses; for parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments. Those skilled in the art should also understand that the actions and modules involved in the specification are not necessarily essential to this application. Furthermore, it is understood that the steps in the method of this application embodiment can be adjusted, combined, and deleted according to actual needs, and the modules in the device of this application embodiment can be combined, divided, and deleted according to actual needs.

[0064] The various embodiments of this application have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or improvement of the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A roll cleaning device, used for cleaning the surface of the same roll, characterized in that, include: A laser cleaning mechanism is located on one side of the roller; The laser cleaning mechanism is used to perform laser cleaning on the surface of the roll; An air knife cleaning mechanism is positioned behind the laser cleaning mechanism along the rotation direction of the roll; the air knife cleaning mechanism is used to perform air-powered cleaning and cooling of the roll surface; and A negative pressure dust collection mechanism is disposed between the laser cleaning mechanism and the air knife cleaning mechanism along the rotation direction of the roller; the negative pressure dust collection mechanism is used to collect dust under negative pressure in the cleaning areas of the laser cleaning mechanism and the air knife cleaning mechanism.

2. The apparatus of claim 1, wherein, The laser cleaning mechanism includes: a drive assembly, a laser output module, a lens assembly, and a dustproof air knife assembly; The drive assembly is disposed on one side of the roll along the axial direction of the roll; the laser output module is disposed on the drive assembly; one end of the lens assembly is connected to the laser output module, and the other end of the lens assembly faces the roll surface; the dustproof air knife assembly is disposed on the end of the lens assembly facing the roll.

3. The apparatus of claim 2, wherein, The laser cleaning mechanism further includes: a light-shielding component; The light-shielding component is disposed on the side of the dustproof air knife component near the roll.

4. The apparatus of claim 2, wherein, The air knife cleaning mechanism includes: a cleaning air knife assembly and an adjusting cylinder; One end of the cleaning air knife assembly is connected to the adjusting cylinder, and the other end of the cleaning air knife assembly faces the roll surface and is provided with a cleaning air outlet; the length of the cleaning air outlet matches the length of the roll surface. The regulating cylinder is configured to drive the cleaning air knife assembly toward the roll.

5. The apparatus of claim 4, wherein, The negative pressure dust collection mechanism includes: a first negative pressure dust collection hood and a second negative pressure dust collection hood; The dust collection ends of both the first and second negative pressure dust collection hoods face the roll surface of the roller. The first and second negative pressure dust collection hoods are configured to communicate with an external negative pressure dust collector. The first negative pressure dust collection hood is correspondingly arranged with the lens assembly, and the second negative pressure dust collection hood is correspondingly arranged with the cleaning air knife assembly.

6. The apparatus of claim 5, wherein, The first negative pressure dust collection hood has a cleaning window corresponding to the lens assembly. The laser beam emitted by the lens assembly penetrates the cleaning window and reaches the roll surface of the roller.

7. The apparatus of claim 5, wherein, The cleaning air outlet forms an angle with the roller surface; the dust collection end of the second negative pressure dust collection hood corresponds to the air outlet direction of the cleaning air outlet.

8. The apparatus of claim 5, wherein, The negative pressure dust collection mechanism also includes: a linkage component; The linkage component and the drive component are arranged in parallel; the first negative pressure dust collection hood is installed on the linkage component, and one end of the linkage component is connected to the drive end of the drive component.

9. The apparatus according to any one of claims 1 to 8, characterized in that, The device further includes: A CCD detection mechanism is located on the electrode exit side of the roll; wherein the CCD detection mechanism is positioned in front of the laser cleaning mechanism along the rotation direction of the roll; the CCD detection mechanism is used to collect the roll surface information of the roll so that the laser cleaning mechanism can adjust its cleaning area according to the roll surface information.

10. A roller pressing device, characterized in that, include: At least two rolls and at least two roll cleaning devices according to any one of claims 1 to 9; each of the roll cleaning devices is correspondingly wound around one of the rolls.

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