Cleaning device for battery module box

Abstract

The utility model discloses a cleaning device for a battery module box body, which comprises a structure supporting piece, a mechanical arm, a cleaning device and a cleaning device, and is characterized in that the structure supporting piece is connected with the mechanical arm and supports each functional component; the brush cleaning assembly is used for cleaning dust on the inner side of the battery module box body; the plasma cleaning assembly is used for performing plasma cleaning on the inner side of the battery module box body; the contour measuring assembly is used for scanning the inner side of the battery module box body and drawing a three-dimensional diagram; and the negative pressure dust suction assembly is used for sucking out dust and impurities on the inner side of the battery module box body. The brush cleaning assembly, the plasma cleaning assembly and the contour measuring assembly are sequentially connected to the structure supporting piece in the cleaning path direction. The battery module box cleaning device integrates multiple functions, the battery module box can be comprehensively cleaned through one cleaning path, the number of stations needed in the cleaning process is reduced, cleaning steps are reduced, efficiency is improved, and production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production equipment, in particular to a cleaning device for a battery module box. Background Art

[0002] Battery module case cleaning is a crucial step in the battery module production process. Traditional battery module case cleaning methods rely primarily on manual labor, which is not only inefficient but also difficult to ensure cleaning quality. Manual cleaning often results in uneven cleaning, difficulty in completely removing stubborn dirt, and potential health risks to operators. Furthermore, differences in operator skill levels and work attitudes lead to inconsistent cleaning results, which in turn impacts subsequent production processes such as gluing and assembly.

[0003] With the rapid development of automation technology, the demand for automated cleaning equipment in the industrial sector is increasing. Automated cleaning equipment offers significant advantages, including high cleaning efficiency, stable cleaning quality, reduced manual intervention, and improved production safety. However, most automated cleaning equipment currently on the market is single-function, often only capable of performing single tasks such as sweeping, vacuuming, or plasma cleaning. These devices are unable to simultaneously meet the diverse requirements of battery module case cleaning. This single-function approach not only increases equipment cost and increases workstation space usage, but also reduces cleaning efficiency. More importantly, single-function cleaning equipment can lead to a range of product quality issues. For example, if brush cleaning and plasma cleaning are performed in separate stations, with a significant time lag between them, dust can re-land on the battery module case during transport. This not only affects cleaning effectiveness but can also negatively impact subsequent production processes such as gluing and assembly, reducing overall product quality. Utility Model Content

[0004] The purpose of this utility model is to address the problems existing in the prior art and provide a cleaning device for a battery module box, which integrates multiple functions of cleaning and dust removal, plasma cleaning, contour measurement and negative pressure dust suction. A single cleaning path can achieve comprehensive cleaning of the battery module box, reducing the number of workstations required in the cleaning process, reducing cleaning steps, improving efficiency and reducing production costs.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A battery module case cleaning device includes: a structural support member for connecting to a robotic arm and supporting various functional components; a brush cleaning assembly for cleaning dust from the inside of the battery module case; a plasma cleaning assembly for plasma cleaning the inside of the battery module case; a contour measurement assembly for scanning the inside of the battery module case and creating a three-dimensional image; and a negative pressure vacuum assembly for sucking out dust and impurities from the inside of the battery module case. The brush cleaning assembly, the plasma cleaning assembly, and the contour measurement assembly are sequentially connected to the structural support member along the cleaning path.

[0007] The brush cleaning assembly includes: an installation shell, connected to the structural support, provided with a dust suction pipe interface and a cleaning port, the dust suction pipe interface is used to connect the negative pressure dust suction assembly; a brush assembly, rotatably arranged inside the installation shell, one side of which extends out of the cleaning port, for raising or carrying dust.

[0008] The brush assembly includes: a power wheel, a fixed wheel, and a tensioning wheel, rotatably disposed within the mounting housing and arranged in a triangular pattern; a belt, sleeved around the outside of the power wheel, the fixed wheel, and the tensioning wheel; bristles, spaced apart outside the belt and partially extending out of the cleaning opening; and a brush drive device, disposed outside the mounting housing, for driving the power wheel to rotate.

[0009] The brush cleaning assembly includes: a guide rail vertically connected to the structural support; a slider, one side of which is slidably engaged with the guide rail and the other side is fixed to the mounting shell; and a lifting drive device connected to the structural support for driving the mounting shell to lift and lower.

[0010] The cleaning port is parallel to the bottom side of the belt; the mounting shell is provided with two inclined walls, which are respectively parallel to the other two sides of the belt; each of the inclined walls is provided with a dust suction pipe interface, and the dust suction pipe interface is used to connect the negative pressure dust suction component.

[0011] The bristles are located between the inclined wall and the belt, and a dust shaking rod located on the movement path of the bristles is provided in the mounting shell.

[0012] The plasma cleaning assembly includes: several plasma spray guns, which are respectively connected to the structural support members, and their nozzles are all set downward; several dust hoods, which are connected to the nozzles one by one, and their openings are facing downward to cover the nozzles; the side walls of each dust hood are provided with a dust pipe interface, and the dust pipe interface is used to connect the negative pressure dust collection assembly.

[0013] The contour measurement component includes: a 3D line laser contour measuring instrument, which is connected to the structural support member and has a scanning lens facing downward, and is used to perform three-dimensional stereoscopic scanning on the inner side of the box.

[0014] The negative pressure dust suction component includes: a first dust suction pipe, connected to the brush cleaning component, used to suck out the cleaned dust; a second dust suction pipe, connected to the plasma cleaning component, used to suck out impurities cleaned by plasma; a third dust suction pipe, connected to the structural support and suspended at one end, used to suck dust at the corners of the battery module box; a negative pressure main pipe, connected to an external dust suction device, and connected to each branch dust suction pipe.

[0015] A method for cleaning a battery module box comprises the following steps:

[0016] The robotic arm drives the cleaning device through the structural support to move along a predetermined path within the battery module box, covering the entire interior of the box;

[0017] The brush cleaning component cleans the dust on the inner wall of the box during the displacement process;

[0018] Plasma cleaning components are plasma cleaned during displacement;

[0019] The contour measurement component performs three-dimensional scanning during the displacement process;

[0020] The negative pressure dust collection component removes dust and impurities from the inner wall of the box during the displacement process.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. The cleaning device integrates multiple functions such as cleaning and dust removal, plasma cleaning, contour measurement and negative pressure vacuuming. A single cleaning path can achieve comprehensive cleaning of the battery module box, reducing the number of stations required in the cleaning process, reducing cleaning steps, improving efficiency and reducing production costs.

[0023] 2. The cleaning device is driven by a robotic arm to move along a predetermined path within the box, ensuring that the entire interior of the box is covered, further improving cleaning efficiency. The automated cleaning method is faster and more thorough than traditional manual cleaning.

[0024] 3. The plasma cleaning component cleans the inside of the box through plasma, removing hydrocarbon dirt, changing the surface molecular chain structure, establishing free radicals that promote adhesion, improving the surface energy of the box, ensuring the gluing effect, and enhancing the packing stability of the battery module;

[0025] 4. The contour measurement component scans the inside of the battery module box in real time during the cleaning process and draws a three-dimensional map, providing strong data support for automatic gluing, automatic planning of gluing paths, and automatic gluing of boxes of different specifications and models, improving the intelligent level of production and ensuring the accuracy and consistency of gluing;

[0026] 5. The brush cleaning component and plasma cleaning component are integrated and arranged in front and back. The box cleaning can remove most of the dust and dirt on the box surface, providing a relatively clean surface for subsequent plasma cleaning. Plasma cleaning can further remove hydrocarbon dirt, change the surface molecular chain structure, and establish free radicals that promote adhesion. The double cleaning method can ensure the cleanliness and surface energy of the box surface.

[0027] 6. The design of integrating the brush cleaning component and the plasma cleaning component and arranging them in front and behind allows the box to be plasma cleaned immediately after cleaning, minimizing the waiting time difference and avoiding the risk of dust falling again when the box is transferred or switched between workstations, thus ensuring the surface energy of the box;

[0028] 7. Placing the contour measurement component after cleaning, dust removal and plasma cleaning can ensure that the inner surface of the box has reached a very high level of cleanliness during measurement, thereby improving the accuracy and reliability of the measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 This is a schematic diagram of the overall structure of a cleaning device in one embodiment of the present application;

[0031] Figure 2 This is a structural diagram of a brush cleaning assembly in one embodiment of the present application;

[0032] Figure 3 This is a schematic structural diagram of a plasma cleaning assembly and a structural support member in one embodiment of the present application;

[0033] Figure 4 This is a schematic structural diagram of a plasma spray gun in one embodiment of the present application;

[0034] Figure 5 This is a schematic structural diagram of a 3D line laser profilometer and a structural support member in one embodiment of the present application;

[0035] In the figure: 1. Structural support; 2. Mounting shell; 3. Cleaning port; 4. Power wheel; 5. Fixed wheel; 6. Tensioner; 7. Belt; 8. Bristles; 9. Brush drive device; 10. Slider; 11. Lifting drive device; 12. Plasma spray gun; 13. Dust hood; 14. Injection port; 15. 3D line laser profile measuring instrument; 16. First dust suction pipe; 17. Second dust suction pipe; 18. Third dust suction pipe; 19. Negative pressure main pipe; 20. Dust shaking rod. DETAILED DESCRIPTION

[0036] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of this utility model and simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0038] Furthermore, terms such as "horizontal" and "vertical" do not necessarily mean that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0039] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0040] In the first aspect of this application, see Figures 1 to 5, provides a battery module box cleaning device, including: a structural support member 1, used to connect a robotic arm and support various functional components; a brush cleaning component, used to clean the dust inside the battery module box; a plasma cleaning component, used to perform plasma cleaning on the inside of the battery module box; a contour measurement component, used to scan the inside of the battery module box and draw a three-dimensional map; a negative pressure dust suction component, used to suck out dust and impurities inside the battery module box; the brush cleaning component, the plasma cleaning component and the contour measurement component are arranged in sequence according to the direction of the cleaning path and connected to the structural support member 1.

[0041] Specifically, the contour measurement component can use a laser contour measuring instrument as a core component, and the working principle of the laser contour measuring instrument is the existing technology; the laser contour measuring instrument will first project a beam of laser line onto the inner wall surface of the battery module box; when the laser line is projected onto the inner wall surface to be measured, it will form a bright line on the inner wall surface; due to the different shapes of the inner wall surface, the position of the laser line on the inner wall surface will also change, and these changes will be reflected in the image captured by the camera; a triangular relationship is formed between the laser light source, the inner wall surface and the camera lens. When the laser line is irradiated on the inner wall surface and reflected back to the camera, the angle of the reflected light will change according to the height change of the inner wall surface; after the camera captures these changes, it can infer the height information of the corresponding position on the inner wall surface by calculating the angle and position of the reflected light; then, the measuring instrument will calculate the contour information of the inner side of the battery module box based on the known camera parameters, laser line parameters and image processing results.

[0042] Specifically, the plasma cleaning component can use a plasma generator as a core component, and the working principle of the plasma generator is the existing technology; the plasma generator generates high-voltage and high-frequency energy, which is activated and controlled in the nozzle steel pipe of the spray gun to produce low-temperature plasma in the glow discharge, and the plasma is sprayed onto the surface of the workpiece with the help of compressed air. When the plasma meets the surface of the object to be cleaned, chemical reactions and physical changes occur, the surface is cleaned, and hydrocarbon contaminants such as grease, auxiliary additives, etc. are removed; according to the material composition, the surface molecular chain structure is changed; free groups such as hydroxyl and carboxyl groups are established, and these groups have the effect of promoting the adhesion of various coating materials, and are optimized in applications such as bonding, coating, gluing, painting, and printing.

[0043] In this embodiment, the robotic arm drives the cleaning device to move along a predetermined path within the battery module box through the structural support 1, covering the entire interior of the box; the brush cleaning component cleans the dust on the inner wall of the box during the displacement process; the plasma cleaning component performs plasma cleaning during the displacement process; the contour measurement component performs three-dimensional scanning during the displacement process; and the negative pressure vacuum component removes dust and impurities from the inner wall of the box during the displacement process.

[0044] The cleaning device integrates multiple functions such as cleaning and dust removal, plasma cleaning, contour measurement and negative pressure vacuuming. A single cleaning path can achieve comprehensive cleaning of the battery module box, reducing the number of workstations required during the cleaning process, reducing cleaning steps, improving efficiency and reducing production costs.

[0045] The cleaning device is driven by a robotic arm to move along a predetermined path within the box, ensuring that the entire interior of the box is covered, further improving cleaning efficiency. The automated cleaning method is faster and more thorough than traditional manual cleaning.

[0046] The plasma cleaning component cleans the inside of the box through plasma, removes hydrocarbon dirt, changes the surface molecular chain structure, establishes free radicals that promote adhesion, improves the surface energy of the box, ensures the gluing effect, and enhances the packaging stability of the battery module.

[0047] During the cleaning process, the contour measurement component scans the inside of the battery module box in real time and draws a three-dimensional map, providing strong data support for automatic gluing, automatic planning of gluing paths, and automatic gluing of boxes of different specifications and models, improving the intelligent level of production and ensuring the accuracy and consistency of gluing.

[0048] The design integrates the brush cleaning component and the plasma cleaning component and arranges them in front and behind. The box cleaning can remove most of the dust and dirt on the box surface, providing a relatively clean surface for subsequent plasma cleaning. Plasma cleaning can further remove hydrocarbon dirt, change the surface molecular chain structure, and establish free radicals that promote adhesion. The double cleaning method can ensure the cleanliness and surface energy of the box surface.

[0049] The design of integrating the brush cleaning component and the plasma cleaning component and arranging them in front and behind allows the box to be plasma cleaned immediately after cleaning, minimizing the waiting time difference, avoiding the risk of dust falling on the box again when the workstation is transferred or the equipment is switched, and ensuring the surface energy of the box.

[0050] Placing the contour measurement component after dust removal and plasma cleaning can ensure that the inner surface of the box has reached an extremely high level of cleanliness during measurement, thereby improving the accuracy and reliability of the measurement.

[0051] In some embodiments, the brush cleaning assembly includes: an installation shell 2, connected to the structural support 1, provided with a dust suction pipe interface and a cleaning port 3, the dust suction pipe interface is used to connect the negative pressure dust suction assembly; a brush assembly, rotatably arranged inside the installation shell 2, one side of which extends out of the cleaning port 3, for lifting or carrying dust.

[0052] Specifically, when the brush cleaning assembly is in operation, the brush assembly begins to rotate under the action of a driving force, and the rotating brush contacts the surface of the object, raising or carrying the dust on the surface. At the same time, the negative pressure dust collection assembly is connected to the mounting housing 2 through the dust collection pipe interface, generating suction to promptly suck away the raised dust. In this way, the brush cleaning assembly can effectively clean the inner surface of the box.

[0053] In some embodiments, the brush assembly includes: a power wheel 4, a fixed wheel 5 and a tensioning wheel 6, which are rotatably arranged inside the mounting shell 2 and are distributed in a triangular pattern; a belt 7, which is sleeved on the outside of the power wheel 4, the fixed wheel 5 and the tensioning wheel 6; bristles 8, which are arranged at intervals on the outside of the belt 7 and partially extend out of the cleaning port 3; a brush driving device 9, which is arranged on the outside of the mounting shell 2 and is used to drive the power wheel 4 to rotate.

[0054] Specifically, when the brush drive 9 begins operating, it rotates the power wheel 4, which in turn drives the belt 7. The bristles 8 on the belt 7 then rub against the surface being cleaned, effectively lifting or carrying away dust and dirt. The fixed wheel 5 and tensioning pulley 6 play an important role in stabilizing the trajectory of the belt 7 and maintaining its tension. The triangular arrangement of the wheels and the tight wrapping of the belt 7 enhance the stability of the brush assembly during operation, allowing it to adapt to surfaces of various shapes and contours, improving its flexibility.

[0055] In some embodiments, the brush cleaning assembly includes: a guide rail vertically connected to the structural support member 1; a slider 10, one side of which slides with the guide rail and the other side is fixed to the mounting housing 2; and a lifting drive 11 connected to the structural support member 1 for driving the mounting housing 2 to rise and fall. When the lifting drive 11 acts on the mounting housing 2, the sliding engagement of the slider 10 with the guide rail causes the mounting housing 2 to rise and fall along the guide rail, causing the height position of the brush assembly to change accordingly. This allows the distance and contact force between the brush assembly and the surface to be cleaned to be flexibly adjusted according to actual cleaning needs.

[0056] In some embodiments, the cleaning port 3 is parallel to the bottom side of the belt 7. The mounting housing 2 has two slanted walls, one parallel to the other two sides of the belt 7. Each slanted wall has a suction pipe connection for connecting to a negative pressure suction assembly. This design reduces space usage. The presence of a suction pipe connection on each slanted wall allows the suction assembly to promptly remove raised dust, improving suction efficiency.

[0057] In some embodiments, the bristles 8 are located between the inclined wall and the belt 7, and a dust shaking rod 20 is provided in the mounting housing 2 and is located in the movement path of the bristles 8. The dust shaking rod 20 helps the bristles 8 to shake off attached dust and dirt in a timely manner, preventing the bristles 8 from reducing the cleaning effect due to dust accumulation, and also facilitates the dust collection component to promptly absorb the raised dust.

[0058] In some embodiments, the plasma cleaning assembly includes: a plurality of plasma spray guns 12, each connected to the structural support member 1, and the nozzles 14 thereof are all set downward. A plurality of dust hoods 13 are connected to the nozzles 14 one by one, and the openings are facing downward to cover the nozzles 14; the peripheral side walls of each dust hood 13 are provided with a dust suction pipe interface, and the dust suction pipe interface is used to connect the negative pressure dust collection assembly. The nozzles 14 of the plasma spray guns 12 are all set downward, and the plasma flow generated by them can directly reach the surface of the box, quickly decompose and remove dirt and grease on the surface to be cleaned, and achieve an efficient cleaning effect. The use of the dust hood 13 and the nozzle 14 in combination ensures that the exhaust gas and impurities generated during the cleaning process can be sucked away in a timely and effective manner, keeping the working environment clean.

[0059] In some embodiments, the triangular plane formed by the power wheel 4, the fixed wheel 5 and the tensioning wheel 6 is perpendicular to the cleaning direction; and the plurality of plasma spray guns 12 are parallel to the triangular plane, thereby maximizing the cleaning range.

[0060] In some embodiments, the profile measurement assembly includes a 3D line laser profilometer 15 connected to the structural support member 1, with a downward-facing scanning lens, for performing a three-dimensional scan of the interior of the box. Using laser scanning technology, the 3D line laser profilometer 15 can measure the interior profile of the box without contacting the surface, making it suitable for measuring the interior profile of various types and materials.

[0061] In some embodiments, the negative pressure vacuum assembly includes: a first vacuum pipe 16, connected to the brush cleaning assembly, for sucking out the cleaned dust; a second vacuum pipe 17, connected to the plasma cleaning assembly, for sucking out impurities cleaned by plasma; a third vacuum pipe 18, connected to the structural support 1, and suspended at one end, for sucking dust from the corners of the battery module box; a negative pressure main pipe 19, connected to an external vacuum device, and connected to each branch vacuum pipe.

[0062] Specifically, the negative pressure vacuum assembly achieves comprehensive vacuuming of the brush cleaning assembly, plasma cleaning assembly and the corners of the battery module box through the design of three branch vacuum pipes. The design structure is compact and easy to install and maintain. The vacuum pipe and negative pressure main pipe are easy to disassemble and replace, reducing maintenance costs.

[0063] A second aspect of the present application provides a method for cleaning a battery module box, comprising the following steps:

[0064] S1. The robotic arm drives the cleaning device through the structural support 1 to move along a predetermined path within the battery module box, covering the entire interior of the box;

[0065] S2, the brush cleaning component cleans the dust on the inner wall of the box during the displacement process;

[0066] S3, plasma cleaning components are plasma cleaned during the displacement process;

[0067] S4, the contour measurement component performs three-dimensional scanning during the displacement process;

[0068] S5. The negative pressure dust collection component removes dust and impurities on the inner wall of the box during the displacement process.

[0069] The cleaning method of this embodiment combines the precise displacement of the robotic arm, the cleaning of the brush cleaning component, the plasma cleaning of the plasma cleaning component, the three-dimensional scanning of the contour measurement component, and the vacuuming function of the negative pressure vacuuming component, ensuring thorough cleaning and precise measurement of the battery module box.

[0070] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A battery module box cleaning device, characterized in that: include: A structural support member (1) for connecting the robotic arm and supporting various functional components; Brush cleaning assembly, used to clean the dust inside the battery module box; Plasma cleaning component, used for plasma cleaning the inside of the battery module box; A contour measurement component, used to scan the inside of the battery module box and draw a three-dimensional map; Negative pressure dust suction component, used to suck out dust and impurities inside the battery module box; The brush cleaning component, the plasma cleaning component and the profile measurement component are sequentially connected to the structural support member (1) according to the direction of the cleaning path.

2. A battery module box cleaning device according to claim 1, characterized in that: The brush cleaning assembly comprises: An installation shell (2) is connected to the structural support member (1) and is provided with a dust suction pipe interface and a cleaning port (3), wherein the dust suction pipe interface is used to connect to the negative pressure dust suction assembly; The brush assembly is rotatably arranged inside the mounting shell (2), with one side extending out of the cleaning port (3) for lifting or carrying dust.

3. A battery module box cleaning device according to claim 2, characterized in that: The brush assembly comprises: The power wheel (4), the fixed wheel (5) and the tension wheel (6) are rotatably arranged inside the mounting housing (2) and are distributed in a triangular shape; A belt (7) is sleeved on the outer sides of the power wheel (4), the fixed wheel (5) and the tension wheel (6); Brush bristles (8) are arranged at intervals on the outside of the belt (7) and partially extend out of the cleaning port (3); A brush driving device (9) is arranged outside the mounting housing (2) and is used to drive the power wheel (4) to rotate.

4. A battery module box cleaning device according to claim 2, characterized in that: The brush cleaning assembly comprises: A guide rail vertically connected to the structural support member (1); A slider (10), one side of which is in sliding engagement with the guide rail and the other side of which is fixed to the mounting housing (2); A lifting drive device (11) is connected to the structural support member (1) and is used to drive the installation shell (2) to rise and fall.

5. The battery module box cleaning device according to claim 3, characterized in that: The cleaning port (3) is parallel to the bottom side of the belt (7); the mounting shell (2) is provided with two inclined walls, which are respectively parallel to the other two sides of the belt (7); each of the inclined walls is provided with a dust suction pipe interface, and the dust suction pipe interface is used to connect the negative pressure dust suction component.

6. A battery module box cleaning device according to claim 5, characterized in that: The bristles (8) are located between the inclined wall and the belt (7), and a dust shaking rod (20) is provided in the installation housing (2) and is located on the movement path of the bristles (8).

7. The battery module box cleaning device according to claim 1, characterized in that: The plasma cleaning assembly comprises: A plurality of plasma spray guns (12) are respectively connected to the structural support member (1), and the spray ports (14) thereof are all arranged downward; A plurality of dust hoods (13) are connected to the injection ports (14) in a one-to-one correspondence, and the openings are downwardly facing to cover the injection ports (14); a dust pipe interface is provided on the peripheral side wall of each dust hood (13), and the dust pipe interface is used to connect to the negative pressure dust collection assembly.

8. The battery module box cleaning device according to claim 1, characterized in that: The profile measurement assembly comprises: A 3D line laser profile measuring instrument (15) is connected to the structural support member (1), with a scanning lens facing downward, and is used for performing three-dimensional scanning on the inner side of the box.

9. The battery module box cleaning device according to claim 1, characterized in that: The negative pressure dust collection component includes: a first dust suction pipe (16), connected to the brush cleaning assembly, for sucking out the cleaned dust; a second dust suction pipe (17), connected to the plasma cleaning assembly, for sucking out impurities cleaned by the plasma; A third dust suction pipe (18), connected to the structural support member (1) and having one end suspended, for sucking dust from the corners of the battery module box; The negative pressure main pipe (19) is connected to the external dust collection equipment and is also connected to each branch dust collection pipe.

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