Cleaning device for electrode slurry mixing tank

Abstract

This application relates to a cleaning device for an electrode slurry mixing tank, comprising: a cleaning actuator including a main shaft, a connecting rod, and a brushing assembly; one end of the connecting rod is connected to the main shaft, and the other end is connected to the brushing assembly; the extension direction of the connecting rod forms an angle with the extension direction of the main shaft; a drive mechanism, drivenly connected to the main shaft and used to drive the main shaft to rotate around its own axis, thereby driving the brushing assembly to brush the inner wall of the mixing tank; and a solvent supply module including a power mechanism for conveying cleaning solvent into the mixing tank. The main shaft has a liquid supply channel extending axially therein, and the connecting rod has a distribution channel communicating with the liquid supply channel; the solvent supply module is connected to the liquid supply channel so that the cleaning solvent can be conveyed to the brushing assembly via the liquid supply channel and the distribution channel. The above-described cleaning device improves cleaning efficiency and the utilization efficiency of the mixing tank.

Description

Technical Field

[0001] This application relates to the field of battery production technology, and in particular to a cleaning device for electrode slurry mixing tanks. Background Technology

[0002] In the lithium-ion battery production process, the mixing of electrode slurry is crucial to ensuring consistent battery performance. Electrode slurry consists of active materials, conductive agents, binders, and organic solvents, and is characterized by high viscosity, strong adhesion, and difficulty in removal after solidification. After mixing, a large amount of slurry adheres to the inner wall and bottom of the tank, as well as the stirring shaft.

[0003] Currently, the main method for cleaning electrode slurry mixing tanks is manual cleaning, which is inefficient and affects the efficiency of the mixing tanks. Utility Model Content

[0004] Therefore, it is necessary to provide a cleaning device for electrode slurry mixing tanks to address the technical problems of low cleaning efficiency and reduced efficiency of the mixing tanks in the cleaning methods of related technologies.

[0005] This application provides a cleaning device for an electrode slurry mixing tank. The cleaning device includes: a cleaning actuator, including a main shaft, a connecting rod, and a brushing assembly, one end of the connecting rod being connected to the main shaft and the other end being connected to the brushing assembly; a drive mechanism, which is connected to the main shaft and is used to drive the main shaft to rotate around its own axis, so as to drive the brushing assembly to brush the inner wall of the mixing tank; and a solvent supply module, including a power mechanism, which is used to deliver cleaning solvent to the mixing tank.

[0006] In operation, the solvent supply module's power unit delivers cleaning solvent to the mixing tank, dissolving and softening residual slurry adhering to the tank wall. The drive mechanism then rotates the main shaft, which in turn drives the scrubbing assembly via a connecting rod, mechanically scrubbing the tank wall. During scrubbing, the power unit continuously supplies cleaning solvent to the mixing tank, enhancing the dissolution of residual slurry and improving the efficiency and thoroughness of each cleaning cycle. If residual slurry remains on the tank wall after the cleaning solvent is discharged, the power unit can repeatedly supply solvent, and the drive mechanism can continue to drive the scrubbing assembly to mechanically scrub the tank wall until the cleaning standard is met. The entire cleaning process is automated, reducing the safety risks and labor intensity of manual operation. The drive mechanism does not need to stop when supplying cleaning solvent to the mixing tank, improving cleaning efficiency and the utilization efficiency of the mixing tank, while also saving on cleaning solvent consumption.

[0007] In one embodiment, the cleaning device further includes a cover that covers the opening of the mixing tank, and the main shaft is movably inserted through the cover along its axial direction.

[0008] In the above embodiments, the cover is placed over the opening of the mixing tank, thereby sealing the opening of the mixing tank and effectively preventing the evaporation and splashing of the cleaning solvent during the cleaning process, thus ensuring the cleanliness and safety of the cleaning environment.

[0009] In one embodiment, the solvent supply module further includes a spray plate, which is installed on the side of the cover facing the inside of the mixing tank. The spray plate is provided with a plurality of nozzles arranged around the main shaft; the output end of the power mechanism is connected to the inside of the spray plate.

[0010] In the above embodiments, a cleaning solvent is supplied to the spray plate via a power mechanism. The cleaning solvent is then sprayed from the nozzles onto the wall of the mixing tank. Because multiple nozzles are distributed around the main shaft, the spray area of ​​the nozzles can comprehensively cover most of the tank wall, thereby effectively dissolving a large portion of the tank wall.

[0011] In one embodiment, the main shaft is provided with a liquid supply channel extending along its axial direction, and the connecting rod is provided with a distribution channel communicating with the liquid supply channel; the solvent supply module is connected to the liquid supply channel so that the cleaning solvent can be transported to the scrubbing assembly through the liquid supply channel and the distribution channel.

[0012] During the process of the main shaft rotating to drive the scrubbing assembly to scrub the tank wall, the cleaning solvent can be delivered to the scrubbing assembly simultaneously through the supply channel and the distribution channel. This allows the cleaning solvent to come into contact with the tank wall through the scrubbing assembly, thereby enhancing the dissolution of residual slurry on the tank wall in real time during the scrubbing process. This significantly improves the cleaning efficiency and enables precise utilization of the cleaning solvent, reducing its consumption.

[0013] In one embodiment, the side wall of the main shaft is provided with a plurality of first nozzles communicating with the liquid supply channel, and the side wall of the connecting rod is provided with a plurality of second nozzles communicating with the distribution channel.

[0014] During the process of the main shaft rotating to drive the scrubbing assembly to scrub the tank wall, the cleaning solvent is sprayed out from the first and second nozzles and thus thrown towards the tank wall. This not only further enhances the dissolution effect on residual slurry on the tank wall during the scrubbing process, but also, through the rotation of the connecting rod of the main shaft, ensures that the cleaning solvent sprayed from the first and second nozzles achieves a more comprehensive coverage of the tank wall, thereby significantly improving cleaning efficiency and realizing the efficient utilization of the cleaning solvent.

[0015] In one embodiment, the cleaning device further includes a dynamic sealing part, which is connected to the side of the cover facing the inside of the mixing tank; the main shaft passes through the dynamic sealing part, and the main shaft and the dynamic sealing part are movably and sealingly engaged; the dynamic sealing part has an inner cavity and the inner cavity is connected to the solvent supply module; a connecting groove is provided on the side wall of the main shaft, and the connecting groove connects the inner cavity and the liquid supply channel.

[0016] In the above embodiments, during the brushing process of the brushing assembly, the main shaft moves relative to the dynamic sealing part while ensuring that the cleaning solvent does not leak between them. Thus, after the cleaning solvent provided by the solvent supply module enters the inner cavity, it can enter the liquid supply channel inside the main shaft through the connecting groove, and then flow to the distribution channel and the first nozzle via the liquid supply channel. This achieves the simultaneous supply of cleaning solvent to the mixing tank during the dynamic brushing process of the brushing assembly.

[0017] In one embodiment, a sealing ring is provided on the outer periphery of the side wall of the spindle, and the outer peripheral surface of the sealing ring is in movable and sealing fit with the cavity wall of the inner cavity; the connecting groove is located on the side of the sealing ring near the cover.

[0018] Because the sealing ring and the inner cavity wall are sealed together, an annular space can be left between the main shaft and the inner cavity wall on the side of the sealing ring near the cover, allowing the cleaning solvent to fill this annular space. Thus, as the main shaft moves relative to the dynamic sealing part, the cleaning solvent can continuously and stably enter the main shaft through this annular space and the connecting groove, thereby achieving continuous liquid supply during the main shaft's movement and ensuring the continuity and reliability of the cleaning process.

[0019] In one embodiment, a limiting part is provided on the cavity wall of the inner cavity, and the limiting part is located on the side of the sealing ring away from the bottom of the mixing tank.

[0020] In the above embodiments, the limiting part is provided on the side of the sealing ring away from the bottom of the mixing tank, thereby limiting the extreme position of the sealing ring when it moves away from the bottom of the tank, thereby limiting the range of motion of the main shaft in the axial direction and avoiding interference with other components caused by the main shaft exceeding the limit.

[0021] In one embodiment, the scrubbing assembly includes: a mounting base having a cavity, the mounting base being connected to a connecting rod and communicating with a dispensing channel, and a movable groove on the side of the mounting base opposite to the connecting rod; a brush body mounting block cooperating with the movable groove; a brush body disposed on the brush body mounting block; and an elastic element located within the mounting base and connected to the brush body mounting block to provide an elastic force between the inner wall of the mounting base and the brush body mounting block; wherein, when the brush body is compressed, causing the brush body mounting block to retract into the mounting base, a seepage gap is formed between the brush body mounting block and the groove wall of the movable groove.

[0022] In one embodiment, the brush mounting block is a ball head structure, and the movable groove is a ball-and-socket structure.

[0023] In the above embodiments, the fit between the ball head and the socket allows the brush mounting block to deflect at multiple angles within the socket, enabling the brush body to adaptively conform to the inner wall of the mixing tank. When the brush body is pressed, and the ball head moves slightly within the socket, the resulting permeation gaps are relatively uniform, which facilitates the stable and uniform permeation of the cleaning solvent, enhancing the cleaning effect.

[0024] In one embodiment, the cleaning device further includes a lifting mechanism and an adapter. The adapter is connected to the output end of the lifting mechanism, and a drive mechanism is mounted on the adapter. The lifting mechanism is used to drive the adapter and the drive mechanism to move up and down along the axial direction of the main shaft.

[0025] In the above embodiments, during the actual cleaning process, the elastic force provided by the elastic element ensures that the brush body always adheres to the tank wall. When the brush body squeezes the tank wall, it receives a reaction force from the tank wall, which in turn causes the brush body mounting block to squeeze the elastic element in the opposite direction. At the same time, the brush body mounting block retracts into the mounting base, creating a seepage gap between the brush body mounting block and the wall of the movable groove. The cleaning solvent from the distribution channel, filling the cavity of the mounting base, can seep out from the seepage gap, thereby wetting the brush body and contacting the tank wall. This allows for further and thorough dissolution of residual slurry on the tank wall during the brushing process, improving cleaning efficiency.

[0026] In one embodiment, the cleaning device further includes a support portion connected to the outer wall of the mixing tank, and a lifting mechanism is installed on the support portion.

[0027] In the above embodiments, a support portion is provided to support the lifting mechanism and the drive mechanism connected thereto. The support portion is located on the outer wall of the mixing tank, which facilitates determining the position of the lifting mechanism and the drive mechanism relative to the mixing tank.

[0028] In one embodiment, the solvent supply module further includes a buffer container, and a power mechanism is used to deliver cleaning solvent from the cleaning solvent supply source into the buffer container so that the cleaning solvent is delivered from the buffer container into the mixing tank.

[0029] In the above embodiments, by setting a buffer container downstream of the power mechanism, the cleaning solvent enters the mixing tank after passing through the buffer container. In this way, the buffer container can balance the fluctuations in the delivery pressure and flow rate of the power mechanism, thereby ensuring the stability of the flow rate and pressure of the cleaning solvent supplied to the mixing tank. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the cleaning device for an electrode slurry mixing tank according to one embodiment.

[0031] Figure 2 for Figure 1 A magnified view of a portion of the area containing the dynamic sealing section.

[0032] Figure 3 This is a schematic diagram of the structure of a scrubbing assembly according to one embodiment.

[0033] Figure 4 This is a schematic diagram of a connecting rod according to one embodiment.

[0034] Figure 5 This is a schematic diagram of the installation tube in one embodiment.

[0035] Explanation of icon numbers:

[0036] 100. Mixing tank; 101. Liquid outlet;

[0037] 210. Main shaft; 211. First nozzle; 212. Connecting groove; 213. Sealing ring; 220. Connecting rod; 220a. First internal thread; 220b. First mounting groove; 221. Second nozzle; 230. Brush assembly; 231. Mounting base; 231a. Movable groove; 231b. Second internal thread; 231c. Second mounting groove; 232. Brush body mounting block; 233. Brush body; 234. Elastic element; 240. Mounting tube; 241. First external thread; 242. First sealing ring; 243. Second external thread; 244. Second sealing ring;

[0038] 300. Drive mechanism;

[0039] 410. Power mechanism; 420. Spray disc; 421. Nozzle; 430. Buffer container;

[0040] 500. Cover;

[0041] 600. Dynamic sealing part; 601. Inner cavity; 610. Limiting part;

[0042] 700. Lifting mechanism; 710. Adapter; 720. Support unit. Detailed Implementation

[0043] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0044] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms 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.

[0045] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0046] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," 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, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0047] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0048] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0049] As mentioned in the background section, the current cleaning method for electrode slurry mixing tanks is mainly manual cleaning, which is inefficient and affects the tank's operational efficiency. Specifically, the current cleaning process for electrode slurry mixing tanks typically involves the operator first injecting a large amount of cleaning solvent into the tank, using soaking and stirring to dissolve and soften the residual slurry on the tank walls, and then manually scrubbing it with tools. A single cleaning is often insufficient, requiring repeated injections of cleaning solvent and multiple scrubbing processes, thus resulting in low cleaning efficiency and impacting the tank's operational efficiency.

[0050] See Figure 1 , Figure 1 A schematic diagram of a cleaning device for an electrode slurry mixing tank according to an embodiment of this application is shown. The cleaning device for an electrode slurry mixing tank provided in an embodiment of this application includes: a cleaning actuator, a drive mechanism 300, and a solvent supply module. The cleaning actuator includes a main shaft 210, a connecting rod 220, and a brushing assembly 230. One end of the connecting rod 220 is connected to the main shaft 210, and the other end is connected to the brushing assembly 230. The drive mechanism 300 is drively connected to the main shaft 210 and is used to drive the main shaft 210 to rotate around its own axis, thereby driving the brushing assembly 230 to brush the inner wall of the mixing tank 100. The solvent supply module includes a power mechanism 410, which is used to deliver cleaning solvent into the mixing tank 100.

[0051] The number of connecting rods 220 can be multiple. For example, multiple sets of connecting rods 220 are arranged at intervals along the axial direction of the main shaft 210, and each set of connecting rods 220 includes multiple connecting rods 220 arranged sequentially along the circumference of the main shaft 210. Each connecting rod 220 has a corresponding brushing assembly 230 connected to its end furthest from the main shaft 210.

[0052] The inner wall of the mixing tank 100 includes side walls and a bottom wall. Figure 1 In the example, the bottom wall of the mixing tank 100 is inclined to the side wall. In other alternative embodiments, the connection area between the bottom wall and the side wall of the mixing tank 100 may also be inclined to the side wall.

[0053] The extending direction of the connecting rod 220 forms an angle with the extending direction of the main shaft 210. Specifically, the connecting rod 220 connected to the scrubbing assembly 230 used for scrubbing the side wall of the mixing tank 100 extends perpendicularly to the extending direction of the main shaft 210, so that this part of the scrubbing assembly 230 can scrub the side wall in close contact. The connecting rod 220 located at the end of the main shaft 210 near the bottom wall of the mixing tank 100 extends at an angle to the extending direction of the main shaft 210, so that the scrubbing assembly 230 connected to this part of the connecting rod 220 can scrub the inclined area in the inner wall of the mixing tank (e.g., the inclined bottom wall or the connection area between the bottom wall and the side wall).

[0054] The drive mechanism 300 can be a servo motor, a geared motor, or other drive mechanism. The drive mechanism 300 is connected to the end of the main shaft 210 away from the bottom wall of the mixing tank 100. When the drive mechanism 300 is started, it can drive the main shaft 210 to rotate around its own central axis, thereby transmitting the rotational motion to the scrubbing assembly 230 through the connecting rod 220, so that the scrubbing assembly 230 can scrub the inner wall of the mixing tank 100.

[0055] The scrubbing component 230 can be a brush-type scrubbing component or other types of scrubbing components.

[0056] The power unit 410 of the solvent supply module is, for example, a corrosion-resistant pump. The power unit 410 can be connected to the cleaning solvent storage tank through a pipeline, thereby drawing the cleaning solvent from the storage tank and delivering the cleaning solvent to the inside of the mixing tank 100 to dissolve and soften the residual slurry on the inner wall of the mixing tank 100.

[0057] The main shaft 210 has a liquid supply channel extending axially therein, and the connecting rod 220 has a distribution channel communicating with the liquid supply channel. The distribution channel extends along the length of the connecting rod 220. The solvent supply module is connected to the liquid supply channel so that the cleaning solvent can be delivered to the scrubbing assembly 230 via the liquid supply channel and the distribution channel.

[0058] Specifically, the dispensing channel extends through both ends of the connecting rod 220. A first connecting hole is provided on the side wall of the main shaft 210. One end of the dispensing channel communicates with the liquid supply channel through the first connecting hole, allowing cleaning solvent from the liquid supply channel to enter the dispensing channel via the first connecting hole. The cleaning solvent is then delivered to the brushing assembly from the other end of the dispensing channel. For example, the brushing assembly 230 includes a brush body and a mounting base with a cavity. The brush body is mounted on the mounting base, which has a second connecting hole. The dispensing channel communicates with the cavity through the second connecting hole, allowing cleaning solvent from the dispensing channel to enter the cavity through the second connecting hole and be delivered to the brush body.

[0059] During the process of the main shaft 210 rotating to drive the scrubbing assembly 230 to scrub the tank wall, the cleaning solvent can be delivered to the scrubbing assembly 230 through the liquid supply channel and the distribution channel. Thus, the cleaning solvent can come into contact with the tank wall through the scrubbing assembly 230, thereby achieving real-time enhanced dissolution of residual slurry on the tank wall during the scrubbing process, which fully improves the cleaning efficiency and achieves precise utilization of the cleaning solvent, reducing the consumption of the cleaning solvent.

[0060] In some optional embodiments, the connecting rod 220 is fixed to the main shaft 210 by a threaded connection. One end of the connecting rod 220 has an external thread, and the wall of the first connecting hole on the side wall of the main shaft 210 has an internal thread. This allows the external thread of the connecting rod 220 to engage with the internal thread on the main shaft 210, thus fixing the connecting rod 220 to the main shaft 210. To ensure a seal between the main shaft 210 and the connecting rod 220, a sealing ring can be provided between the connecting rod 220 and the wall of the first connecting hole.

[0061] In some alternative embodiments, the connecting rod 220 and the spindle 210 can be fixed by welding. For example, one end of the connecting rod 220 can be inserted into the first communicating hole, and then the joint between the connecting rod 220 and the outer surface of the side wall of the spindle 210 can be welded, thereby fixing the connecting rod 220 and the spindle 210.

[0062] In some alternative embodiments, the connecting rod 220 and the brushing assembly 230 can be fixed by a threaded connection. For example, the wall of the second connecting hole is provided with an internal thread, and the end of the connecting rod 220 away from the main shaft 210 is provided with an external thread. The external thread mates with the internal thread, thereby fixing the connecting rod 220 and the brushing assembly 230. To ensure a seal between the brushing assembly 230 and the connecting rod 220, a sealing ring can be provided between the connecting rod 220 and the wall of the second connecting hole.

[0063] In some alternative embodiments, the connecting rod 220 is fixed to the mounting base of the scrubbing assembly 230 by welding. For example, one end of the connecting rod 220 is inserted into the second connecting hole, and then the joint between the connecting rod 220 and the mounting base is welded, thereby fixing the connecting rod 220 to the scrubbing assembly 230.

[0064] In the cleaning device described in the above embodiment, the power mechanism 410 of the solvent supply module delivers cleaning solvent to the mixing tank 100 to dissolve and soften the residual slurry adhering to the tank wall. Then, the drive mechanism 300 drives the main shaft 210 to rotate, which in turn drives the scrubbing assembly 230 to rotate via the connecting rod 220, thereby mechanically scrubbing the tank wall. During the scrubbing process, the power mechanism 410 continuously delivers cleaning solvent into the mixing tank 100, thereby continuously enhancing the dissolution effect of the residual slurry and improving the efficiency and thoroughness of a single cleaning cycle. Furthermore, during the scrubbing process, the cleaning solvent is delivered to the scrubbing assembly 230 through the supply channel and distribution channel, allowing the cleaning solvent to contact the tank wall via the scrubbing assembly 230. This enables real-time dissolution of the residual slurry on the tank wall during the scrubbing process, significantly improving cleaning efficiency and achieving precise utilization of the cleaning solvent, thus reducing solvent consumption. If residual slurry remains on the tank wall after the cleaning solvent is discharged from the mixing tank 100, the cleaning solvent can be repeatedly supplied to the mixing tank 100 via the power mechanism 410, and the brushing assembly 230 can be driven by the drive mechanism 300 to mechanically brush the tank wall until the cleaning standard is met. The entire cleaning process is automated, reducing the safety risks and labor intensity of manual operation. The drive mechanism 300 does not need to stop when supplying cleaning solvent to the mixing tank 100, improving cleaning efficiency and the utilization efficiency of the mixing tank, and saving cleaning solvent consumption.

[0065] See Figure 1 In one embodiment, the bottom of the mixing tank 100 is provided with a liquid outlet 101, from which waste liquid can be discharged after cleaning. During the cleaning process, the liquid outlet 101 can be sealed using a sealing device.

[0066] See Figure 1 In some embodiments, the cleaning device further includes a cover 500, which covers the opening of the mixing tank 100, and the main shaft 210 is movably inserted through the cover 500 along its axial direction.

[0067] The cover 500 can be fixed to the top of the mixing tank 100 by means of bolts or other methods. The main shaft 210 is movably inserted through the cover 500 along its axial direction, so as not to affect the movement of the main shaft 210.

[0068] In the above embodiment, the cover 500 is placed over the opening of the mixing tank 100, thereby sealing the opening of the mixing tank 100. During the cleaning process, this effectively prevents the evaporation and splashing of the cleaning solvent, thus ensuring the cleanliness and safety of the cleaning environment.

[0069] See Figure 1In one embodiment, the solvent supply module further includes a spray plate 420, which is installed on the side of the cover 500 facing the interior of the mixing tank 100. The spray plate 420 is provided with a plurality of nozzles 421 arranged around the main shaft 210. The output end of the power mechanism 410 is connected to the interior of the spray plate 420.

[0070] The spray plate 420 can be fixedly installed on the cover 500. The spray plate 420 is generally annular and is arranged around the main shaft 210. The interior of the spray plate 420 is an annular cavity. The nozzles 421 are located on the side of the spray plate 420 facing the bottom of the mixing tank 100. The spray direction of the nozzles 421 can be flexibly designed. For example, some nozzles 421 can be directed towards the bottom of the tank, and some nozzles 421 can be directed towards the side wall of the mixing tank 100, so that the cleaning solvent sprayed by the nozzles 421 can adhere to the side wall and / or the bottom of the tank.

[0071] In the above embodiment, the cleaning solvent is supplied to the spray plate 420 by the power mechanism 410, and the cleaning solvent is sprayed out from the nozzle 421, thereby spraying onto the tank wall of the mixing tank 100. Since multiple nozzles 421 are distributed around the main shaft 210, the spray area of ​​the nozzles 421 can comprehensively cover most of the tank wall, thereby effectively dissolving most of the area on the tank wall of the mixing tank 100.

[0072] See Figure 1 In some embodiments, the side wall of the main shaft 210 is provided with a plurality of first nozzles 211 communicating with the liquid supply channel, and the side wall of the connecting rod 220 is provided with a plurality of second nozzles 221 communicating with the distribution channel.

[0073] Multiple first nozzles 211, distributed circumferentially and / or axially, can be formed on the side wall of the main shaft 210. Multiple second nozzles 221, distributed circumferentially and / or axially, can be formed on the side wall of the connecting rod 220.

[0074] During the process of the main shaft 210 rotating to drive the scrubbing assembly 230 to scrub the tank wall, the cleaning solvent can be sprayed out from the first nozzle 211 and the second nozzle 221, thus being thrown towards the tank wall. In this way, not only can the dissolution effect on the residual slurry on the tank wall be further enhanced during the scrubbing process, but also, through the rotation of the connecting rod 220 of the main shaft 210, the cleaning solvent sprayed from the first nozzle 211 and the second nozzle 221 can achieve a more comprehensive coverage of the tank wall, thereby greatly improving the cleaning efficiency and realizing the efficient utilization of the cleaning solvent.

[0075] See Figure 1In one embodiment, the cleaning device further includes a lifting mechanism 700 and an adapter 710. The adapter 710 is connected to the output end of the lifting mechanism 700, and the drive mechanism 300 is mounted on the adapter 710. The lifting mechanism 700 is used to drive the adapter 710 and the drive mechanism 300 to move up and down along the axial direction of the main shaft 210.

[0076] The adapter 710 can be an adapter plate, the surface of which is perpendicular to the main shaft 210. The lifting mechanism 700 can be, for example, a cylinder or an electric actuator. The linear motion output by the lifting mechanism 700 can drive the main shaft 210 to move axially up and down through the adapter 710.

[0077] Optionally, the number of lifting mechanisms 700 can be two, three, or more. Multiple lifting mechanisms 700 are distributed circumferentially around the mixing tank 100.

[0078] In the above embodiment, the lifting mechanism 700 drives the drive mechanism 300 and the entire main shaft 210 to move up and down through the adapter 710, so that the working height of the brushing component 230 can be actively adjusted, thereby making the cleaning process more flexible and enabling separate cleaning of areas at different heights within the mixing tank 100, which is beneficial for comprehensive cleaning of all areas within the mixing tank 100.

[0079] See Figure 1 In one embodiment, the cleaning device further includes a support 720, which is connected to the outer wall of the mixing tank 100, and a lifting mechanism 700 is installed on the support 720.

[0080] Optionally, the multiple support parts 720 and the multiple lifting mechanisms 700 can be configured in a one-to-one correspondence, with the lifting mechanism 700 installed on the corresponding support part 720.

[0081] The number of support parts 720 can also be one, and one support part 720 can support multiple lifting mechanisms 700 at the same time.

[0082] In the above embodiment, the support portion 720 provides support for the lifting mechanism 700 and the drive mechanism 300 connected thereto. The support portion 720 is provided on the outer wall of the mixing tank 100, which facilitates determining the position of the lifting mechanism 700 and the drive mechanism 300 relative to the mixing tank 100.

[0083] See Figure 1 and Figure 2 , Figure 2 for Figure 1The image shows a partially enlarged view of the area with a dynamic sealing section. In some embodiments, the cleaning device further includes a dynamic sealing section 600, which is connected to the side of the cover 500 facing the interior of the mixing tank 100. A main shaft 210 passes through the dynamic sealing section 600, and the main shaft 210 and the dynamic sealing section 600 are in a movable and sealing fit.

[0084] The dynamic sealing part 600 has an inner cavity 601 that is connected to the solvent supply module. The side wall of the spindle 210 is provided with a connecting groove 212 that connects the inner cavity 601 to the liquid supply channel.

[0085] Optionally, the spray plate 420 is connected to the dynamic sealing section 600. Alternatively, if the solvent supply module does not include the spray plate 420, the output end of the power mechanism 410 can be connected to the inner cavity of the dynamic sealing section 600.

[0086] The dynamic seal 600 can be fixedly installed on the cover 500. Openings can be made at the top and bottom of the dynamic seal 600 to allow the spindle 210 to pass through. Since the spindle 210 and the dynamic seal 600 are in a movable and sealed fit, the cleaning solvent can be prevented from leaking between the inner dynamic seal 600 and the spindle 210 during the movement of the spindle 210 relative to the dynamic seal 600.

[0087] Optionally, the spindle 210 can rotate relative to the dynamic seal 600 during its rotation around its own axis. Optionally, the spindle 210 can move relative to the dynamic seal 600 under the action of the lifting mechanism 700.

[0088] In the above embodiment, during the brushing process of the brushing assembly 230, the main shaft 210 moves relative to the dynamic sealing part 600 while ensuring that the cleaning solvent does not leak between them. Thus, after the cleaning solvent provided by the solvent supply module enters the inner cavity 601, it can enter the liquid supply channel inside the main shaft 210 through the connecting groove 212, and then flow to the distribution channel and the first nozzle 211 via the liquid supply channel. This achieves the simultaneous supply of cleaning solvent to the mixing tank 100 during the dynamic brushing process of the brushing assembly 230.

[0089] See Figure 2 In one embodiment, a sealing ring 213 is provided on the outer periphery of the side wall of the main shaft 210. The outer peripheral surface of the sealing ring 213 is in a movable and sealing fit with the cavity wall of the inner cavity 601. The connecting groove 212 is located on the side of the sealing ring 213 near the cover 500.

[0090] The sealing ring 213 and the main shaft 210 can be integrally formed or separately formed and then connected.

[0091] Understandably, the outer diameter of the sealing ring 213 is larger than the outer diameter of the main shaft 210, and the outer diameter of the main shaft 210 is smaller than the inner diameter of the inner cavity 601. Because the sealing ring 213 seals against the cavity wall of the inner cavity 601, an annular space can be left between the main shaft 210 and the cavity wall of the inner cavity 601 on the side of the sealing ring 213 near the cover 500, allowing the cleaning solvent to fill this annular space. Thus, during the movement of the main shaft 210 relative to the dynamic sealing part 600, the cleaning solvent can continuously and stably enter the interior of the main shaft 210 through this annular space and the connecting groove 212, thereby achieving continuous liquid supply during the movement of the main shaft 210 and ensuring the continuity and reliability of the cleaning process.

[0092] Furthermore, the bottom of the inner cavity 601 of the dynamic sealing part 600 can limit the sealing ring 213 to prevent the sealing ring 213 from moving out of the dynamic sealing part 600, thereby ensuring that the connecting groove 212 is always located inside the dynamic sealing part 600 to prevent the cleaning solvent from leaking from the connecting groove 212.

[0093] See Figure 2 In one embodiment, a limiting part 610 is provided on the cavity wall of the inner cavity 601, and the limiting part 610 is located on the side of the sealing ring 213 away from the bottom of the mixing tank 100.

[0094] The limiting part 610 may be a ring-shaped protrusion, such as a retaining ring fixed to the cavity wall of the inner cavity 601.

[0095] In the above embodiment, the limiting part 610 is provided on the side of the sealing ring 213 away from the bottom of the mixing tank 100, thereby limiting the extreme position of the sealing ring 213 when it moves away from the bottom of the tank, thereby limiting the range of motion of the main shaft 210 in the axial direction and avoiding interference with other components caused by the main shaft 210 exceeding the travel limit.

[0096] See Figure 1 In one embodiment, the solvent supply module further includes a buffer container 430, and a power mechanism 410 is used to deliver cleaning solvent from the cleaning solvent supply source to the buffer container 430 so that the cleaning solvent is delivered to the stirring tank 100 via the buffer container 430.

[0097] Optionally, the buffer container 430 is connected to the side of the cover 500 facing away from the bottom of the container. Optionally, the spray tray 420 is in communication with the buffer container 430.

[0098] The buffer container 430 is located downstream of the power unit 410 and is used to receive and temporarily store the cleaning solvent pumped in by the power unit 410. Alternatively, if the solvent supply module does not include the spray plate 420, the outlet of the buffer container 430 can be connected to the inner cavity of the dynamic seal 600.

[0099] In the above embodiments, by setting a buffer container 430 downstream of the power mechanism 410, the cleaning solvent enters the mixing tank 100 after passing through the buffer container 430. Thus, the buffer container 430 can balance the fluctuations in the delivery pressure and flow rate of the power mechanism 410, thereby ensuring the stability of the flow rate and pressure of the cleaning solvent supplied to the mixing tank 100.

[0100] See Figure 3 , Figure 3 This is a schematic diagram of a brushing assembly according to one embodiment. In one embodiment, the brushing assembly 230 includes: a mounting base 231, a brush body mounting block 232, a brush body 233, and an elastic member 234. The mounting base 231 has a cavity, is connected to a connecting rod 220, and communicates with a distribution channel. A movable groove 231a is provided on the side of the mounting base 231 facing away from the connecting rod 220. The brush body mounting block 232 engages with the movable groove 231a. The brush body 233 is disposed on the brush body mounting block 232. The elastic member 234 is located within the mounting base 231 and connected to the brush body mounting block 232 to provide an elastic force between the inner wall of the mounting base 231 and the brush body mounting block 232. When the brush body 233 is compressed, causing the brush body mounting block 232 to retract into the mounting base 231, a seepage gap is formed between the brush body mounting block 232 and the wall of the movable groove 231a.

[0101] Mounting base 231 is connected to one end of connecting rod 220, and the cavity within mounting base 231 communicates with the distribution channel within connecting rod 220. Brush body 233 can be a brush. Mounting base 231 has a movable groove 231a on the side facing away from connecting rod 220 (i.e., the side facing the tank wall). Elastic element 234 can be a coil spring, located within the cavity of mounting base 231. One end of elastic element 234 is connected to brush body mounting block 232, and the other end can abut or connect to the cavity wall.

[0102] When the cleaning device is not in use, the elastic force of the elastic element 234 compresses the brush body mounting block 232, causing the brush body mounting block 232 to abut against the wall of the movable groove 231a, thereby making the position of the brush body mounting block 232 and the brush body 233 on it secure.

[0103] In the above embodiments, during the actual cleaning process, the elastic force provided by the elastic element 234 ensures that the brush body 233 always adheres to the tank wall. When the brush body 233 squeezes the tank wall, it receives a reaction force from the tank wall, which allows it to squeeze the elastic element 234 in the opposite direction through the brush body mounting block 232. At the same time, the brush body mounting block 232 retracts into the mounting base 231, creating a seepage gap between the brush body mounting block 232 and the wall of the movable groove 231a. The cleaning solvent from the distribution channel, filling the cavity of the mounting base 231, can seep out from the seepage gap, thereby wetting the brush body 233 and contacting the tank wall through the brush body 233. This allows for further and thorough dissolution of residual slurry on the tank wall during the brush body 233's cleaning process, improving cleaning efficiency.

[0104] In one embodiment, the brush mounting block 232 is a ball head structure, and the movable groove 231a is a ball-and-socket structure.

[0105] In the above embodiments, the cooperation between the ball head and the ball socket allows the brush body mounting block 232 to deflect at multiple angles within the ball socket, enabling the brush body 233 to adaptively conform to the inner wall of the mixing tank 100. When the brush body 233 is pressed and the ball head moves slightly within the ball socket, the resulting seepage gaps are relatively uniform, which facilitates the stable and uniform seepage of the cleaning solvent, thereby enhancing the cleaning effect.

[0106] See Figure 4 and Figure 5 , Figure 4 This is a schematic diagram of a connecting rod according to one embodiment. Figure 5 This is a schematic diagram of the mounting tube structure according to one embodiment. In one embodiment, the cleaning actuator further includes a mounting tube 240. The mounting base 231 and the connecting rod 220 are connected and communicate with each other through the mounting tube 240. One end of the mounting tube 240 is connected to the connecting rod 220, and the other end is connected to the mounting base 231.

[0107] One end of the mounting tube 240 has a first external thread 241, and one end of the connecting rod 220 has a first internal thread 220a. The first external thread 241 and the first internal thread 220a mate, thereby fixing the mounting tube 240 and the connecting rod 220 together. A first sealing ring 242 is provided on the outer wall of the mounting tube 240, and a first mounting groove 220b is provided on the inner wall of the connecting rod 220. The first sealing ring 242 mates with the first mounting groove 220b to form a seal between the first external thread 241 and the first internal thread 220a.

[0108] The other end of the mounting tube 240 has a second external thread 243, and one end of the mounting base 231 has a second internal thread 231b. The second external thread 243 and the second internal thread 231b mate, thereby fixing the mounting tube 240 and the mounting base 231 together. A second sealing ring 244 is provided on the outer wall of the mounting tube 240, and a second mounting groove 231c is provided on the wall of the threaded hole with the second internal thread 231b in the mounting base 231. The second sealing ring 244 mates with the second mounting groove 231c to form a seal between the second external thread 243 and the second internal thread 231b.

[0109] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0110] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A cleaning device for an electrode slurry mixing tank, characterized in that, include: A cleaning actuator includes a main shaft, a connecting rod, and a brushing assembly. One end of the connecting rod is connected to the main shaft, and the other end is connected to the brushing assembly. The extension direction of the connecting rod forms an angle with the extension direction of the main shaft. A drive mechanism is connected to the main shaft and is used to drive the main shaft to rotate around its own axis, so as to drive the scrubbing assembly to scrub the inner wall of the mixing tank. as well as The solvent supply module includes a power mechanism for delivering cleaning solvent to the mixing tank; The main shaft has a liquid supply channel extending along its axial direction, and the connecting rod has a distribution channel communicating with the liquid supply channel; the solvent supply module is connected to the liquid supply channel so that the cleaning solvent can be delivered to the scrubbing assembly through the liquid supply channel and the distribution channel.

2. The cleaning device according to claim 1, characterized in that, The cleaning device also includes a cover, which is placed over the opening of the mixing tank, and the main shaft is movably inserted through the cover along its axial direction.

3. The cleaning device according to claim 2, characterized in that, The solvent supply module also includes a spray plate, which is installed on the side of the cover facing the inside of the mixing tank. The spray plate is provided with a plurality of nozzles arranged around the main shaft. The output end of the power mechanism is connected to the inside of the spray plate.

4. The cleaning device according to claim 2, characterized in that, The side wall of the main shaft is provided with a plurality of first nozzles communicating with the liquid supply channel, and the side wall of the connecting rod is provided with a plurality of second nozzles communicating with the distribution channel.

5. The cleaning apparatus according to claim 2 or 4, characterized in that, The cleaning device further includes a dynamic sealing part, which is connected to the side of the cover facing the inside of the mixing tank; the main shaft passes through the dynamic sealing part, and the main shaft and the dynamic sealing part are in a movable and sealed fit. The dynamic sealing part has an inner cavity that is connected to the solvent supply module; the side wall of the spindle is provided with a connecting groove that connects the inner cavity to the liquid supply channel.

6. The cleaning apparatus according to claim 5, characterized in that, A sealing ring is provided on the outer periphery of the side wall of the main shaft. The outer circumferential surface of the sealing ring is in a movable and sealing fit with the cavity wall of the inner cavity. The connecting groove is located on the side of the sealing ring near the cover.

7. The cleaning apparatus according to claim 6, characterized in that, A limiting part is provided on the cavity wall of the inner cavity, and the limiting part is located on the side of the sealing ring away from the bottom of the mixing tank.

8. The cleaning apparatus according to claim 1, characterized in that, The scrubbing assembly includes: The mounting base has a cavity inside, the mounting base is connected to the connecting rod and communicates with the distribution channel, and the mounting base has a movable groove on the side opposite to the connecting rod; The brush mounting block mates with the movable slot. The brush body is disposed on the brush body mounting block; and An elastic element, located within the mounting base and connected to the brush body mounting block, provides an elastic force between the inner wall of the mounting base and the brush body mounting block; When the brush body is pressed, causing the brush body mounting block to retract into the mounting base, a seepage gap is formed between the brush body mounting block and the wall of the movable groove.

9. The cleaning apparatus according to claim 8, characterized in that, The brush mounting block has a ball head structure, and the movable groove has a ball-and-socket structure.

10. The cleaning apparatus according to claim 1, characterized in that, The cleaning device further includes a lifting mechanism and an adapter. The adapter is connected to the output end of the lifting mechanism, and the drive mechanism is installed on the adapter. The lifting mechanism is used to drive the adapter and the drive mechanism to move up and down along the axial direction of the main shaft.

11. The cleaning apparatus according to claim 10, characterized in that, The cleaning device also includes a support part, which is connected to the outer wall of the mixing tank, and the lifting mechanism is installed on the support part.

12. The cleaning apparatus according to claim 1, characterized in that, The solvent supply module further includes a buffer container, and the power mechanism is used to deliver the cleaning solvent from the cleaning solvent supply source to the buffer container, so that the cleaning solvent is delivered to the stirring tank via the buffer container.

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