Battery cell disassembling device

Abstract

The utility model discloses a battery cell disassembling device, and relates to the technical field of batteries, the battery cell disassembling device comprises a base, a clamping assembly, a cutting assembly and a first driving structure, the clamping assembly is arranged on the base, and the clamping assembly comprises two clamping units; the cutting assembly comprises a cutter module, the cutter module comprises a cutter and an elastic piece, the elastic piece acts on the cutter, and the elastic piece is arranged to apply elastic force in the first direction to the cutter so that the cutter can abut against the battery cell clamped to the clamping assembly; at least one of the clamping assembly and the cutting assembly is movably arranged so that the clamping assembly and the cutting assembly can move relatively in the second direction so that the cutting assembly can cut a shell of a battery cell, the first direction intersects with the second direction, and the first driving structure is in transmission fit with at least one of the cutting assembly and the clamping assembly; the cutting assembly and the clamping assembly are driven to be relatively close to or away from each other in the first direction. According to the technical scheme, the convenience of cutting and disassembling the battery cell can be improved.

Description

Technical Field

[0001] This application relates to the field of battery technology, and in particular to a battery cell disassembly device. Background Technology

[0002] For failed battery cells, disassembly is necessary to inspect their internal condition and analyze the failure mechanism. In related technologies, cell disassembly utilizes laser cutting of the cell casing. This cutting method requires precise adjustment of the laser focus for accurate feed cutting of cells of different sizes. Furthermore, the blue film and coating of the cell must be removed before cutting to prevent laser reflection, making the cutting and disassembly of the cell casing quite complicated. Utility Model Content

[0003] The main purpose of this application is to propose a battery cell disassembly device, which aims to improve the convenience of battery cell cutting and disassembly.

[0004] To achieve the above objectives, the battery cell disassembly apparatus proposed in this application includes:

[0005] Base;

[0006] A clamping assembly is provided on the base, and the clamping assembly includes two clamping units that can move closer to or further away from each other;

[0007] A cutting assembly, the cutting assembly including a cutting tool module, the cutting tool module including a cutting tool and an elastic element, the elastic element acting on the cutting tool, the elastic element being configured to apply an elastic force along a first direction to the cutting tool so that the cutting tool abuts against a battery cell clamped in the clamping assembly;

[0008] At least one of the clamping assembly and the cutting assembly is movably configured so that the clamping assembly and the cutting assembly can move relative to each other along a second direction so that the cutting assembly cuts the casing of the battery cell, wherein the first direction and the second direction intersect.

[0009] The cell disassembly device further includes a first driving structure, which is in transmission cooperation with at least one of the cutting component and the clamping component to drive the cutting component and the clamping component to move closer or further away along the first direction.

[0010] The technical solution of this application employs a blade-cutting method to cut the battery cell casing in a battery cell disassembly device. The first direction is the thickness direction of the casing to be cut, i.e., the blade inserts into the casing along the first direction. The second direction is the cutting direction; when the cutting assembly and the clamping assembly move relative to each other along the second direction, the blade moves along the surface of the casing to cut it. An elastic element is incorporated into the cutting assembly. When the blade comes into contact with the battery cell, the elastic element deforms elastically and applies an elastic force to the blade, pressing it firmly against the battery cell. Based on the material stiffness of the battery cell casing, the stiffness of the blade, and the elastic force, the blade feed rate can be elastically controlled, achieving adaptive adjustment. Furthermore, at least one of the cutting assembly and the clamping assembly can move along the first direction to adjust the distance between the cutting assembly and the clamping assembly along the first direction, thereby adjusting the distance between the blade module and the battery cell in the first direction. This allows adjustment of the deformation of the elastic element, the cutting depth of the blade in the battery cell casing, and the pressure of the blade on the casing. Using this method, the fine parameter adjustments required by laser cutting are eliminated, making the cutting and disassembly of the battery cell casing more convenient.

[0011] The cutting assembly includes a mounting base module, which is disposed on the base and has a connecting arm extending along the first direction;

[0012] The elastic element is configured as an elastic connecting arm, with one end of the elastic element connected to the cutting tool and the other end of the elastic element fixed relative to the connecting arm.

[0013] This configuration uses an elastic element as an elastic lever arm. One end of the elastic element is fixed relative to the connecting arm, while the other end is connected to the cutting tool. When the cutting tool comes into contact with the battery cell housing, the battery cell generates a counterforce on the cutting tool. This force forces the elastic lever arm to bend and deform. The elastic element then generates an elastic force as a reaction force, driving the cutting tool to maintain a stable feed rate into the housing. This allows the cutting tool to maintain a stable and adaptive feed rate during the cutting process. Furthermore, since the elastic element serves as both an elastic force-applying element and a connecting rod for the cutting tool, there is no need for a spring cavity, guide rod, or connecting piece to house the elastic element, resulting in a simple overall structure and convenient installation and maintenance.

[0014] In one embodiment, the mounting module further includes a mounting base connected to the base, and the connecting arm is slidably connected to the mounting base;

[0015] The connecting arm can move up and down relative to the mounting base along a third direction, and the first direction, the second direction, and the third direction intersect each other.

[0016] This setup allows for adjustable blade height via a lifting and adjusting connecting arm, enabling the cutting of battery cells at different heights and positions according to actual needs, thus improving applicability.

[0017] In one embodiment, the tool module further includes a fixing member, and the end of the elastic member away from the tool is connected to the fixing member, and the fixing member is detachably connected to the connecting arm.

[0018] In this configuration, the tool module is connected to the connecting arm via a fastener, and the fastener and the connecting arm are detachably connected. This means that the entire tool module can be disassembled and assembled simply by removing and installing the fastener on the connecting arm, which facilitates the maintenance and replacement of the tool module. It also allows for easy replacement of tool modules with different types of tools or with tool modules equipped with elastic elements of different strengths.

[0019] In one embodiment, the connecting arm is provided with a mounting hole, the elastic element passes through the mounting hole, and the fixing element is located on the side of the connecting arm opposite to the cutter and abuts against the surface of the connecting arm opposite to the cutter.

[0020] In this configuration, the fixing member abuts against the surface of the connecting arm opposite to the tool and connects to the connecting arm. This provides good axial positioning of the tool module within the mounting hole, while the elastic member, passing through the mounting hole, also provides good radial positioning of the tool module, effectively preventing the tool module from loosening or shifting. Furthermore, when the tool module needs to be removed, simply separate the fixing member from the connecting arm and pull the tool module out from the fixing member side. When installing the tool module, pass the tool and elastic member through the mounting hole from the fixing member side until the fixing member abuts against the connecting arm, then lock the fixing member in place. This design facilitates easy assembly and disassembly.

[0021] In one embodiment, the clamping unit includes:

[0022] A mounting portion, movably disposed on the base, to be close to or away from another of the clamping units; and

[0023] A clamping part is provided on the side of the mounting part facing the other clamping unit, and the clamping part can be elastically deformed in the arrangement direction of the two clamping units.

[0024] This design, with the mounting section acting as a positioning support, provides a good foundation for positioning and installation. The clamping section can adapt to the shape of the battery cell, allowing it to conform to the cell casing for a more stable clamping. Furthermore, it enables the battery cell disassembly device to disassemble cells with deformed casings, such as those deformed due to short circuits, leakage, or gas expansion. The clamping assembly can stably clamp the cells for cutting by the cutting assembly, thus expanding the applicability of the battery cell disassembly device.

[0025] In one embodiment, the clamping part includes a plurality of telescopic columns, which extend along the arrangement direction of the two clamping units, and a portion of the telescopic column is movably inserted into the mounting part.

[0026] This configuration features a floating structure formed by multiple telescopic columns in the clamping unit, creating a floating support surface. When the clamping assembly holds the battery cell, the ends of each telescopic column independently contact the cell surface and, based on the contour of the contact point, undergo adaptive telescopic displacement under the pushing action of the battery cell. This multi-point independent support allows the clamping unit to actively conform to the irregularly deformed surface of the battery cell, enabling it to better adapt to the cell's shape, thus distributing the clamping force evenly and improving clamping stability and reliability.

[0027] In one embodiment, the clamping part is made of an elastic material and has multiple hollow holes.

[0028] This design enhances the elastic deformation and clamping capacity of the clamping part through the material's inherent elastic properties and the perforated structure. When clamping the battery cell, the perforations facilitate compression and bending deformation of the clamping part, allowing for better containment of irregular cell surfaces. Furthermore, the perforations increase the contact area between the clamping part and the cell surface, increasing friction to prevent slippage and improving the stability and reliability of the clamped battery cell.

[0029] In one embodiment, the cutting tool includes at least two blades arranged along a third direction, wherein the first direction, the second direction, and the third direction intersect each other.

[0030] Using the above method, the cutting tool is configured with a multi-blade structure of at least two blades. When cutting the battery cell casing, at least two cuts can be made simultaneously on the casing, improving cutting efficiency. Furthermore, when using two or more blades, taking two blades as an example, both blades simultaneously abut against the battery cell casing. The lateral pressure exerted by the tool on the casing is distributed across two cuts. Simultaneously, since a portion of the casing located between the two blades is removed, the cutting area has a certain deformation space, making the remaining casing structure more stable and less prone to deformation. Additionally, the removed portion after cutting carries away some burrs, reducing burrs on the casing; thus, it helps to minimize the impact of casing deformation and burrs on the disassembly process.

[0031] In one embodiment, the distance between the two blades is gradually increased along the direction close to the clamping assembly.

[0032] In this configuration, the module formed by the combination of two blades is flared, making the blades inclined relative to the shell surface. When cutting the shell, the cut is similar to a chamfer shape, which helps to reduce burrs. Furthermore, some of the lateral pressure on the shell is distributed along the shell surface, which helps to reduce shell deformation.

[0033] In one embodiment, the cell disassembly device further includes a receiving box, the receiving box having a cavity with a top opening, the base being liftable and movable, and being able to enter and exit the cavity through the top opening.

[0034] This setup utilizes a containment box for safety protection. In the event of a fire, the base, its clamping and cutting components, and the battery cells can be quickly lowered into the containment box, physically isolating the fire source from the external environment and preventing the spread of flames and high temperatures. It also provides a relatively isolated environment for firefighting operations.

[0035] In one embodiment, the cavity is configured to contain extinguishing media.

[0036] With this configuration, when the battery cell catches fire, the base and its clamping and cutting components sink into the cavity along with the battery cell. The extinguishing medium in the cavity can then quickly extinguish the fire in the battery cell, thus preventing continued combustion.

[0037] In one embodiment, the cell disassembly device further includes a buffer assembly disposed at the bottom of the cavity, the buffer assembly being configured to support the base, the cutting assembly, and the clamping assembly.

[0038] In this configuration, when the overall module, which is composed of the base, cutting components, and clamping components, falls, the buffer components can absorb its impact kinetic energy and convert it into elastic potential energy or other forms of energy for dissipation. This avoids a rigid collision between the overall module and the bottom wall of the cavity, thus playing a buffering role and preventing the overall module from violently impacting the bottom wall of the cavity and generating a large impact force, thereby reducing the risk of damage to the cell dismantling device.

[0039] In one embodiment, the cell disassembly device further includes a guide structure that extends along the depth direction of the cavity. A portion of the guide structure is inserted into the cavity, while another portion is exposed above the cavity. The base is slidably connected to the guide structure.

[0040] By employing the above method, the guide structure provides excellent guidance and positioning for the base, ensuring it maintains a stable trajectory during lifting and lowering, and preventing deviation or jamming. This allows the integrated module, consisting of the base, clamping components, cutting components, and battery cells, to accurately fall into the cavity, preventing the base and other components from shifting or overturning during descent, thus avoiding collisions or structural damage and further enhancing the reliability of the device operation.

[0041] In one embodiment, the cell disassembly device further includes a locking component disposed on the guide structure, the locking component being used to lock the base so that the base is fixed above the cavity.

[0042] Using the above method, during normal disassembly operations, the locking assembly stably locks the base in a preset working position above the cavity, preventing the base from shifting under cutting vibration or external force, thus ensuring the stable progress of the disassembly process. In the event of fire or other situations, the locking assembly can be released from the base, allowing the base, along with the clamping assembly, cutting assembly, and battery cell, to descend into the cavity along the guide structure.

[0043] In one embodiment, the locking component includes:

[0044] The mounting bracket is fixedly connected to the guide structure and is located above the base;

[0045] A hook, rotatably mounted on the mounting bracket, hooks onto the base so that the base is positioned above the cavity.

[0046] Using the above method, when it is necessary to lock the base, the hook rotates to the locking position to hook the base; when it is necessary to lower the base and other components, the hook can be driven to rotate to the unlocking position to release the base. The base then quickly descends into the cavity along the guide structure under the action of gravity. The overall structure is simple and the operation is reliable.

[0047] In one embodiment, the cell dismantling device further includes a detection component configured to emit a sensing signal when the cell catches fire or the temperature is too high.

[0048] Using the above methods, the problem of battery cell fire can be quickly detected, fire prevention and extinguishing operations can be triggered in a timely manner, and users can be notified in a timely manner to handle the situation, thereby improving the speed of control and handling in the event of thermal runaway and battery cell fire.

[0049] In one embodiment, the clamping assembly further includes:

[0050] A base unit, wherein the base unit is disposed on the base, and two clamping units are movably disposed on the base unit; and

[0051] A drive unit is disposed on the base unit and is in transmission cooperation with at least one of the clamping units to drive the two clamping units to move closer or further apart from each other.

[0052] This configuration utilizes the base unit to support and connect the two clamping units and the drive unit, enabling the clamping assembly to be modularly configured as a whole.

[0053] In one embodiment, the clamping assembly further includes a support pad disposed on the base unit, the support pad being located in the area between the orthographic projections of the two clamping units on the base unit and being disposed below the clamping units;

[0054] Along the arrangement direction of the two clamping units, the distances of the two clamping units from the support pad are different.

[0055] In this configuration, when the battery cell is clamped between two clamping units, the battery cell is supported on the support pad. Because the support pad is at a different distance from the two clamping units, the bottom of the battery cell is not centered on the support pad, leaving a suspended area. This suspended area forms a gap with the base unit. With this configuration, when the battery cell leaks electrolyte, the leaked electrolyte can flow into the gap and be drained away.

[0056] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the other objects, features and advantages of this application more obvious and understandable, specific embodiments of this application are given below. Attached Figure Description

[0057] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0058] Figure 1 A structural diagram of an embodiment of the battery cell disassembly device provided in this application;

[0059] Figure 2 for Figure 1 Another structural view of the CEC cell dismantling device;

[0060] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0061] Figure 4 for Figure 2 Enlarged view of point B in the middle;

[0062] Figure 5 for Figure 2 Enlarged view of point C in the middle.

[0063] Explanation of icon numbers:

[0064] 100. Battery cell disassembly device; 10. Base; 20. Clamping assembly; 21. Clamping unit; 211. Mounting part; 212. Clamping part; 2121. Telescopic column; 22. Base unit; 23. Drive unit; 24. Support pad;

[0065] 30. Cutting assembly; 31. Tool module; 311. Tool; 3111. Blade; 312. Elastic element; 313. Fixing element; 32. Mounting base module; 321. Connecting arm; 322. Mounting base; 323. Third drive structure; 40. First drive structure; 50. Second drive structure;

[0066] 60. Receiving box; 61. Cavity; 70. Guide structure; 80. Locking assembly; 81. Mounting bracket; 82. Hook; 90. Buffer assembly;

[0067] 200, battery cell; X, first direction; Y, second direction; Z, third direction.

[0068] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0069] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0070] It should be noted that if the embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0071] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0072] Currently, judging from market trends, the application of power batteries is becoming increasingly widespread. Power batteries are not only used in energy storage systems such as hydropower, thermal power, wind power, and solar power plants, but also extensively used in electric vehicles such as electric bicycles, electric motorcycles, and electric cars, as well as in military equipment and aerospace. With the continuous expansion of power battery applications, market demand is also constantly increasing.

[0073] For failed battery cells, disassembly is necessary to inspect their internal condition and analyze the failure mechanism. In related technologies, cell disassembly utilizes laser cutting of the cell casing. This cutting method requires precise adjustment of the laser focus for accurate feed cutting of cells of different sizes. Furthermore, the blue film and coating of the cell must be removed before cutting to prevent laser reflection, making the disassembly of the cell casing quite complicated.

[0074] Based on the above considerations, this application proposes a battery cell disassembly device 100, including a base 10, a clamping assembly 20, and a cutting assembly 30. The clamping assembly 20 is disposed on the base 10 and includes two clamping units 21 that can move closer to or further away from each other. The cutting assembly 30 includes a cutting tool module 31, which includes a cutting tool 311 and an elastic member 312. The elastic member 312 acts on the cutting tool 311 and is configured to apply an elastic force along a first direction X to the cutting tool 311 so that the cutting tool 311 abuts against the battery cell 200 clamped in the clamping assembly 20. At least one of the clamping assembly 20 and the cutting assembly 30 is movably disposed so that the clamping assembly 20 and the cutting assembly 30 can move relative to each other along a second direction Y so that the cutting assembly 30 cuts the casing of the battery cell 200. The first direction X and the second direction Y intersect.

[0075] In this embodiment, the base 10 serves as a support structure for housing the clamping assembly 20 and the cutting assembly 30. The clamping assembly 20 is used to clamp the battery cell 200. The clamping assembly 20 includes two clamping units 21 arranged facing each other. The two clamping units 21 can be driven by a set of driving structures, or the two clamping units 21 can be connected to the same set of driving structures, and the driving structures can drive the two clamping units 21 to move synchronously to move closer or further away from each other. For example, a double-threaded screw is provided, with the two sets of threads of the screw having opposite directions and each being fitted with a screw nut. The two clamping units 21 are connected to the two screw nuts one-to-one. The screw can be driven by a motor to rotate, or a handwheel can be provided, and the screw can be rotated by rotating the handwheel. Thus, the two screw nuts drive the two clamping units 21 to move towards or away from each other.

[0076] The cutting assembly 30 is used to cut slits in the housing of the battery cell 200 to facilitate subsequent disassembly of the battery cell 200. The cutting tool module 31 of the cutting assembly 30 includes a cutting tool 311 and an elastic element 312. The cutting tool 311 is a component used to contact the housing of the battery cell 200 to cut the housing of the battery cell 200. The cutting tool 311 typically includes a blade 3111 or a sharp cutting head; the elastic element 312 can be configured as a spring, elastic arm, etc. In the normal state where the cutter 311 is not in contact with the battery cell 200, the elastic element 312 can be in its original state or in an elastically deformed state. When the cutter 311 is in contact with the battery cell 200, the elastic element 312 undergoes elastic deformation to continuously apply a force to the cutter 311 in the direction of the battery cell 200 (i.e., the first direction X shown in the figure). This allows the cutter 311 to automatically abut and press against the surface of the clamped battery cell 200 shell, thus providing better self-adaptability during the cutting of the battery cell 200 shell. Only the appropriate elastic element 312 needs to be selected according to the structural strength of the battery cell 200 shell, the structural strength of the cutter 311, and the required cutting feed rate to ensure that the provided elastic force can effectively cut into the shell while reducing damage to the cutter 311 and preventing excessive deformation of the battery cell 200 shell.

[0077] Once the battery cell 200 is clamped and fixed and the cutter 311 is in place, at least one of the clamping assembly 20 and the cutting assembly 30 is driven to move relative to each other along the second direction Y, which is the cutting direction. This causes the cutter 311 to move along the surface of the housing, cutting the housing of the battery cell 200 under the appropriate pressure provided by the elastic member 312. Using this method, precise focus adjustment for each battery cell 200, as is required with laser cutting, is unnecessary, and the operation process is significantly simplified because there is no need to remove the surface blue film or coating beforehand.

[0078] In other words, the technical solution of this application uses a cutting method to cut the battery cell 200 casing in the battery cell disassembly device 100. The first direction X is the thickness direction of the casing to be cut, i.e., the cutter 311 is inserted into the casing along the first direction X. The second direction Y is the cutting direction. When the cutting assembly 30 and the clamping assembly 20 move relative to each other along the second direction Y, the cutter 311 moves along the surface of the casing to cut it. An elastic element 312 is provided in the cutting assembly 30. When the cutter 311 abuts against the battery cell 200, the elastic element 312 undergoes elastic deformation and applies an elastic force to the cutter 311, causing it to press firmly against the battery cell 200. At this time, based on the material stiffness of the battery cell 200 casing, the stiffness of the cutter 311, and the elastic force, the feed rate of the cutter 311 can be elastically controlled, achieving adaptive adjustment. Using this method, there is no need for fine parameter adjustment as with laser cutting, making the cutting and disassembly of the battery cell 200 casing more convenient.

[0079] In one embodiment, the cell disassembly device 100 further includes a first drive structure 40, which is driven to at least one of the cutting assembly 30 and the clamping assembly 20 to drive the cutting assembly 30 and the clamping assembly 20 to move closer to or further away along a first direction X.

[0080] In this embodiment, at least one of the cutting component 30 and the clamping component 20 can move along the first direction X to adjust the distance between the cutting component 30 and the clamping component 20 along the first direction X, thereby adjusting the distance between the tool module 31 and the battery cell 200 in the first direction X. This can be used to adjust the deformation of the elastic member 312, the cutting depth of the tool 311 in the battery cell 200 housing, and the pressure of the tool 311 on the housing.

[0081] The first drive structure 40 can use a servo motor, stepper motor, or cylinder as a power source, and engage with at least one of the cutting assembly 30 and clamping assembly 20 through a transmission mechanism such as a lead screw and nut, gear rack and pinion, or linear module to achieve automatic drive. Alternatively, the first drive structure 40 can be configured with a handwheel as an operating unit, which engages with at least one of the cutting assembly 30 and clamping assembly 20 through a transmission mechanism such as a worm gear or lead screw and nut, allowing the user to manually drive the device by turning the handwheel.

[0082] The first drive structure 40 can be driven to cooperate with the cutting assembly 30, driving the cutting assembly 30 to move along the first direction X to approach or move away from the clamping assembly 20. The first drive structure 40 can also be driven to cooperate with the clamping assembly 20, driving the clamping assembly 20 to move along the first direction X to approach or move away from the cutting assembly 30. Alternatively, the first drive structure 40 can simultaneously cooperate with both the clamping assembly 20 and the cutting assembly 30, causing the clamping assembly 20 and the cutting assembly 30 to move towards or away from each other. For example, the first drive structure 40 may include a lead screw and two lead screw nuts. The lead screw has two threaded sections with opposite directions of rotation, and a lead screw nut engages with one threaded section. The clamping assembly 20 and the cutting assembly 30 are each connected to a lead screw nut. When the lead screw is driven to rotate, the two lead screw nuts cause the clamping assembly 20 and the cutting assembly 30 to move closer to or further away from each other. Alternatively, the first drive structure 40 may also include a gear and two racks. The racks extend along the first direction X, and the two racks are located on both sides of the gear along the second direction Y, and are respectively connected to the clamping assembly 20 and the cutting assembly 30. When the gear rotates, it can drive the two racks to move in opposite directions, thereby causing the clamping assembly 20 and the cutting assembly 30 to move closer or further apart.

[0083] Through the precise drive of the first drive structure 40, on the one hand, the cutting component 30 can accurately control the cutting depth of the battery cell 200 shell, avoiding damage to the internal structure of the battery cell 200 due to excessive cutting depth; on the other hand, the clamping component 20 can automatically center and stably clamp battery cells 200 of different sizes, effectively improving the automation level, processing consistency and ease of operation of the device.

[0084] In one embodiment, the clamping assembly 20 further includes a base unit 22 and a drive unit 23. The base unit 22 is disposed on the base 10, and two clamping units 21 are movably disposed on the base unit 22. The drive unit 23 is disposed on the base unit 22 and is in transmission cooperation with at least one clamping unit 21 to drive the two clamping units 21 to move closer or further away from each other.

[0085] In this embodiment, the clamping assembly 20 includes a base unit 22, two clamping units 21 and a drive unit 23. The base unit 22 is disposed on the base 10 and is used to support and connect the two clamping units 21 and the drive unit 23, so that the clamping assembly 20 is modularly configured as a whole.

[0086] The drive unit 23 can use a servo motor, stepper motor, or cylinder as a power source, and is driven by at least one of the two clamping units 21 through a transmission mechanism such as a lead screw and nut, gear rack and pinion, or linear module to achieve automatic drive. Alternatively, the drive unit 23 can be configured as a handwheel as an operating unit, and the handwheel is driven by at least one of the two clamping units 21 through a transmission mechanism such as a worm gear or lead screw and nut, allowing the user to manually drive the unit by turning the handwheel.

[0087] The drive unit 23 can be driven to one of the clamping units 21, causing the clamping unit 21 to move along the first direction X to approach or move away from the other clamping unit 21. Alternatively, the drive unit 23 can be driven to both clamping units 21 simultaneously, causing the two clamping units 21 to move towards or away from each other. For example, the drive unit 23 may include a lead screw and two lead screw nuts. The lead screw has two threaded sections with opposite directions of rotation, and the lead screw nuts engage with one of the threaded sections. The two clamping units 21 are respectively connected to the lead screw nuts. When the lead screw is rotated, the two lead screw nuts cause the two clamping units 21 to move closer or further apart. Alternatively, the drive unit 23 may include a gear and two racks. The racks extend along the arrangement direction of the two clamping units 21, and the two racks are located on opposite sides of the gear and are respectively connected to the two clamping units 21. When the gear rotates, it can drive the two racks to move in opposite directions, thereby causing the two clamping units 21 to move closer or further apart.

[0088] In one embodiment, the clamping assembly 20 further includes a support pad 24, which is disposed on the base unit 22. The support pad 24 is located in the area between the orthographic projections of the two clamping units 21 onto the base unit 22 and is disposed below the clamping units 21. Along the arrangement direction of the two clamping units 21, the distances of the two clamping units 21 from the support pad 24 are different.

[0089] In this configuration, when the battery cell 200 is clamped between the two clamping units 21, the battery cell 200 is supported on the support pad 24. Since the support pad 24 is at a different distance from the two clamping units 21, the bottom of the battery cell 200 is not centered on the support pad 24, leaving a suspended area. This suspended area forms a gap with the base unit 22. With this configuration, when the battery cell 200 leaks electrolyte, the leaked electrolyte can flow into the gap and be drained away.

[0090] In one embodiment, the cell disassembly device 100 further includes a second drive structure 50, which is disposed on the base 10 and is in transmission cooperation with at least one of the clamping assembly 20 and the cutting assembly 30 to drive the clamping assembly 20 or the cutting assembly 30 to slide relative to each other along the second direction Y.

[0091] In this embodiment, the second drive structure 50 can use a servo motor, stepper motor, or cylinder as a power source, and engage with at least one of the cutting assembly 30 and the clamping assembly 20 through a transmission mechanism such as a lead screw and nut, gear rack and pinion, or linear module to achieve automatic drive. Alternatively, the second drive structure 50 can be configured as a handwheel as an operating unit, with the handwheel engaging with at least one of the cutting assembly 30 and the clamping assembly 20 through a transmission mechanism such as a worm gear or lead screw and nut, allowing the user to manually drive the device by rotating the handwheel.

[0092] The second drive structure 50 can be driven to cooperate with the cutting assembly 30, driving the cutting assembly 30 to slide along the second direction Y. The second drive structure 50 can also be driven to cooperate with the clamping assembly 20, driving the clamping assembly 20 to slide along the second direction Y. Alternatively, the second drive structure 50 can simultaneously cooperate with both the clamping assembly 20 and the cutting assembly 30, causing the clamping assembly 20 and the cutting assembly 30 to move in opposite directions along the second direction Y; for example, the second drive structure 50 can also include a gear and two racks, with the racks extending along the second direction Y, the two racks located on opposite sides of the gear along the first direction X, and respectively connected to the clamping assembly 20 and the cutting assembly 30, so that when the gear rotates, the two racks can be driven to move in opposite directions.

[0093] In one embodiment, the cutting assembly 30 includes a mounting base module 32, which is disposed on the base 10 and has a connecting arm 321 extending along the first direction X. An elastic member 312 is configured as an elastic connecting arm, with one end of the elastic member 312 connected to the cutter 311 and the other end of the elastic member 312 fixed relative to the connecting arm 321.

[0094] In this embodiment, the cutting assembly 30 includes a mounting base module 32 and a cutting tool module 31. The mounting base module 32 is connected to the base 10 and has a connecting arm 321 extending along the first direction X. The cutting tool module 31 is mounted on the connecting arm 321. Optionally, when the base 10 has a mounting bracket along the height direction, one end of the connecting arm 321 can be directly connected to the mounting bracket; or, when the base 10 is a seat structure at the bottom of the cutting assembly 30 and the clamping assembly 20, the mounting base module 32 may include a mounting base 322 connected to the base 10, the mounting base 322 extending along the height direction, and the connecting arm 321 connected to the mounting base 322.

[0095] The elastic element 312 is configured as an elastic connecting arm, serving as an elastic lever arm. One end of the elastic element 312 is fixed relative to the connecting arm 321, while the other end is connected to the tool 311. Optionally, the elastic element 312 can be directly connected to the connecting arm 321, for example, by bonding, plugging, welding, or bolting. Alternatively, in the following embodiment, a fixing element 313 can be connected to the end of the elastic element 312, so that the fixing element 313 is connected to the connecting arm 321.

[0096] When the cutter 311 comes into contact with the battery cell 200 housing, the battery cell 200 generates a counterforce on the cutter 311. This force forces the elastic lever arm to bend and deform. Consequently, the elastic element 312 generates an elastic force as a reaction force, driving the cutter 311 to maintain a stable feed rate as it cuts into the housing. This allows the cutter 311 to maintain a stable and adaptive feed rate during the cutting process. Furthermore, since the elastic element 312 serves as both an elastic force-applying element and a connecting rod for the cutter 311, there is no need to set up a spring cavity, guide rod, or connecting piece to house the elastic element 312, resulting in a simple overall structure and convenient installation and maintenance.

[0097] In one embodiment, the mounting module 32 further includes a mounting base 322, which is connected to the base 10. The connecting arm 321 is slidably connected to the mounting base 322. The connecting arm 321 can move up and down relative to the mounting base 322 along a third direction Z. The first direction X, the second direction Y, and the third direction Z intersect each other.

[0098] In this embodiment, the base 10 is configured as a seat structure at the bottom of the cutting assembly 30. The mounting module 32 includes a mounting base 322 supported on the base 10. A connecting arm 321 extends from the mounting base 322 toward the clamping assembly 20. The tool module 31 is fixed at the end of the connecting arm 321 away from the mounting base 322. The connecting arm 321 is slidably connected to the mounting base 322. A guide rail extending along the third direction Z can be provided on the mounting base 322, and a slider can be connected to the connecting arm 321, allowing the connecting arm 321 and the mounting base 322 to be slidably connected via a guide rail and slider mechanism. Alternatively, an optical axis can be provided on the mounting base 322, allowing the connecting arm 321 to be slidably fitted onto the optical axis. The connecting arm 321 and the mounting base 322 can also be slidably connected via a lead screw assembly or other transmission components; no specific limitation is made here. This allows the connecting arm 321 to be adjusted in height relative to the mounting base 322 along the height direction of the cell disassembly device 100 (i.e., the third direction Z shown in the figure).

[0099] This setup allows for height adjustment of the cutter 311 via the lifting and adjusting connecting arm 321, enabling the cutting of battery cells 200 at different heights and positions according to actual needs, thus improving applicability.

[0100] In one embodiment, the cutting assembly 30 further includes a third drive structure 323, which is in transmission cooperation with the connecting arm 321 to drive the connecting arm 321 to move up and down along a third direction Z.

[0101] In this embodiment, the third drive structure 323 can use a servo motor, stepper motor, or cylinder as a power source, and engage with the connecting arm 321 through a transmission mechanism such as a lead screw and nut, gear rack and pinion, or linear module to achieve automatic drive. Alternatively, the third drive structure 323 can be configured as a handwheel as an operating unit, with the handwheel engaging with the connecting arm 321 through a transmission mechanism such as a worm gear or lead screw and nut, allowing the user to manually drive the device by turning the handwheel.

[0102] In one embodiment, the tool module 31 further includes a fixing member 313, and the end of the elastic member 312 away from the tool 311 is connected to the fixing member 313. The fixing member 313 is detachably connected to the connecting arm 321.

[0103] In this embodiment, the tool module 31 includes a fixing member 313, a tool 311, and an elastic member 312. The elastic member 312 acts as an elastic lever arm, with its two ends connected to the fixing member 313 and the tool 311, respectively, thus enabling the tool module 31 to be modularly configured as a whole. The tool module 31 is connected to the connecting arm 321 via the fixing member 313, and the fixing member 313 and the connecting arm 321 are detachably connected. That is, the entire tool module 31 can be disassembled and assembled simply by removing and installing the fixing member 313 on the connecting arm 321, which facilitates the maintenance and replacement of the tool module 31. It is also convenient to replace the tool module 31 with different types of tools 311, or to replace the tool module 31 with elastic members 312 of different strengths.

[0104] Optionally, the fastener 313 and the connecting arm 321 can be connected to each other using bolts or other connecting parts. Alternatively, a screw hole can be provided on one of the fastener 313 and the connecting arm 321, and a screw can be provided on the other, so that the fastener 313 and the connecting arm 321 are connected by the screw and the screw hole. In addition, the fastener 313 and the connecting arm 321 can also be connected by a snap-fit ​​connection or other detachable connection methods, which are not limited here.

[0105] In one embodiment, the connecting arm 321 is provided with a mounting hole, the elastic member 312 passes through the mounting hole, and the fixing member 313 is located on the side of the connecting arm 321 opposite to the cutter 311 and abuts against the surface of the connecting arm 321 opposite to the cutter 311.

[0106] In this embodiment, a mounting hole extending along the third direction Z is provided at the end of the connecting arm 321, allowing one end of the elastic member 312 to pass through the mounting hole. At this time, the fixing member 313 and the cutter 311 are located on both sides of the connecting arm 321 along the third direction Z, respectively. The fixing member 313 is prevented from passing through the mounting hole, that is, the maximum length of the fixing member 313 along the radial direction of the mounting hole is greater than the diameter of the mounting hole. The fixing member 313 abuts against the side surface of the connecting arm 321 opposite to the cutter 311 and is connected to the connecting arm 321. Thus, the cutter module 31 is better limited in the axial direction of the mounting hole (i.e., the third direction Z shown in the figure), and the elastic member 312 passes through the mounting hole, which can also better limit the cutter module 31 in the radial direction of the mounting hole, thereby better preventing the cutter module 31 from loosening or deviating.

[0107] In addition, the cross-sectional dimension of the tool 311 is made smaller than that of the mounting hole, allowing the tool 311 to pass through the mounting hole. When the tool module 31 needs to be removed, simply separate the fixing member 313 and the connecting arm 321, and pull the tool module 31 out from the fixing member 313 side. When installing the tool module 31, pass the tool 311 and the elastic member 312 through the mounting hole from the fixing member 313 side until the fixing member 313 abuts against the connecting arm 321, and then lock the fixing member 313. This makes disassembly and assembly convenient.

[0108] In one embodiment, the clamping unit 21 includes a mounting part 211 and a clamping part 212. The mounting part 211 is movably disposed on the base 10 to be close to or away from another clamping unit 21. The clamping part 212 is disposed on the side of the mounting part 211 facing the other clamping unit 21, and the clamping part 212 can be elastically deformed in the arrangement direction of the two clamping units 21.

[0109] In this embodiment, the clamping unit 21 includes a mounting part 211 and a clamping part 212. The mounting part 211 is slidably disposed on the base 10 and can be directly slidably connected to the base 10, or in the following embodiment, the mounting part 211 is slidably connected to the base unit 22 disposed on the base 10. The mounting part 211 serves as a positioning support, providing a better positioning and mounting foundation. The clamping part 212 can adaptably deform according to the shape of the battery cell 200, so that the clamping part 212 can conform to the battery cell 200 shell to clamp the battery cell 200 more stably. This arrangement also allows the battery cell disassembly device 100 to be used to disassemble battery cells 200 with deformed shells, such as battery cells 200 whose shells are deformed due to short circuits, leakage, or gas expansion. The clamping assembly 20 can also stably clamp the battery cell 200 for cutting by the cutting assembly 30, thereby increasing the applicability of the battery cell disassembly device 100.

[0110] The clamping part 212 can be made of elastic material such as rubber, silicone rubber, or polyurethane. Alternatively, in the following embodiment, the clamping part 212 can include a plurality of telescopic columns 2121 that are slidably inserted into the mounting part 211, and an elastic structure such as a spring can be provided between the telescopic columns 2121 and the mounting part 211. Or, the mounting part 211 can be provided with mounting holes for inserting the telescopic columns 2121, and the telescopic columns 2121 can be slidably inserted into the mounting holes and sealed to the mounting holes. In this case, the telescopic columns 2121 block the mounting holes, and the gas in the mounting holes is sealed in the mounting holes to serve as a gas spring structure.

[0111] In one embodiment, the clamping part 212 includes a plurality of telescopic columns 2121, which extend along the arrangement direction of the two clamping units 21, and a portion of the structure of the telescopic column 2121 is movably inserted into the mounting part 211.

[0112] In this embodiment, the clamping part 212 includes a floating structure formed by multiple telescopic columns 2121, which together form a floating support surface. The mounting part 211 has multiple mounting holes, and each telescopic column 2121 is slidably inserted into one mounting hole. Optionally, a spring or other elastic structure can be provided in the mounting hole, so that the elastic structure abuts against the bottom wall of the mounting hole and the telescopic column 2121 respectively. The elastic structure pushes the telescopic column 2121 so that it protrudes from the mounting hole in its normal state. When the telescopic column 2121 is compressed and retracts, the elastic structure contracts to apply an outward elastic force to the telescopic column 2121. Alternatively, the telescopic column 2121 can be sealed to the wall of the mounting hole. In this case, the air inside the mounting hole is sealed inside the mounting hole to act as a gas spring structure. When the telescopic column 2121 is compressed and retracts, the air is compressed, causing the air pressure in the mounting hole to increase, forming a force that pushes the telescopic column 2121 outward.

[0113] When the clamping assembly 20 clamps the battery cell 200, the ends of each telescopic post 2121 independently contact the surface of the battery cell 200, and generate adaptive telescopic displacement under the pushing action of the battery cell 200 according to the contour position of the contact point. Through multi-point independent support, the clamping part 212 can actively conform to the surface of the battery cell 200 with irregular deformations such as bulging and dents, so that the clamping part 212 can better adapt to the shape of the battery cell 200, thereby distributing the clamping force evenly and improving the clamping stability and reliability.

[0114] In one embodiment, the clamping part 212 is made of an elastic material and has multiple hollow holes.

[0115] In this embodiment, the clamping part 212 is configured as a block-shaped elastic structure, which may be made of at least one material, including but not limited to rubber, silicone rubber, and polyurethane. Furthermore, the clamping part 212 has multiple regular or irregular perforated holes.

[0116] This design enhances the elastic deformation and clamping capacity of the clamping part 212 through the material's inherent elastic properties and the perforated structure. When clamping the battery cell 200, the perforated holes facilitate compression and bending deformation of the clamping part 212, allowing for better wrapping of the irregular surface of the battery cell 200. Furthermore, the perforated holes increase the contact area between the clamping part 212 and the surface of the battery cell 200, which helps increase friction to prevent slippage and improves the stability and reliability of clamping the battery cell 200.

[0117] In one embodiment, the cutting tool 311 includes at least two blades 3111, which are arranged along a third direction Z, and the first direction X, the second direction Y, and the third direction Z intersect each other.

[0118] In this embodiment, the cutting tool 311 is configured as a multi-blade structure with at least two blades 3111. When cutting the battery cell 200 casing, at least two cuts can be made simultaneously on the battery cell 200 casing, improving cutting efficiency. Furthermore, when using two or more blades 3111 for cutting, taking two blades 3111 as an example, both blades 3111 simultaneously abut against the battery cell 200 casing. The lateral pressure exerted by the cutting tool 311 on the casing is distributed to two cuts. Simultaneously, since the portion of the casing located between the two blades 3111 is removed, the cutting area has a certain deformation space, making the remaining casing structure more stable and less prone to deformation. In addition, the portion removed after cutting carries away some burrs, reducing burrs on the casing; thus, it helps to reduce the impact of casing deformation and burrs on the disassembly process.

[0119] In one embodiment, the two blades 3111 are positioned further apart along the direction close to the clamping assembly 20.

[0120] In this embodiment, the module formed by the combination of two blades 3111 is flared, so that the blades 3111 are inclined relative to the shell surface. With this arrangement, when cutting the shell, the cut is similar to a chamfer shape, which helps to reduce burrs. In addition, part of the lateral pressure on the shell is dispersed along the shell surface, which helps to reduce shell deformation.

[0121] In one embodiment, the cell disassembly device 100 further includes a receiving box 60, which has a cavity 61 with a top opening. The base 10 is liftable and can enter and exit the cavity 61 through the top opening.

[0122] Because the failed battery cell 200 may suddenly catch fire during disassembly due to thermal runaway or short circuit, a containment box 60 is provided in this embodiment for safety protection. When a fire occurs, the base 10 and its clamping assembly 20, cutting assembly 30, and battery cell 200 can be quickly lowered into the containment box 61, physically isolating the fire source from the external environment and preventing the spread of flames and high temperatures; it also provides a relatively isolated environment for fire extinguishing operations.

[0123] Optionally, the top opening of the housing 60 can be kept in a normally open state. During normal disassembly operations, the base 10 is locked to the guide structure 70 by the locking component 80 in the following embodiment. Alternatively, a cover structure can be provided at the top opening of the housing 60. The cover can be flipped down to open the top opening, or the cover can be set as a horizontal sliding opening and closing structure. During normal disassembly operations, the base 10 is supported on the cover. In the event of a fire, the cover is opened to allow the base 10 and other components, carrying the battery cell 200, to fall downwards.

[0124] In one embodiment, the cavity 61 is configured to contain the extinguishing medium.

[0125] In this embodiment, the cavity 61 can contain a fire extinguishing medium, which may be, but is not limited to, water, sand, inert gas, etc. When the battery cell 200 catches fire, the base 10 and its clamping assembly 20 and cutting assembly 30 sink into the cavity 61 together with the battery cell 200. The fire extinguishing medium in the cavity 61 can quickly extinguish the fire in the battery cell 200, thereby preventing continued combustion.

[0126] In one embodiment, the cell disassembly device 100 further includes a buffer assembly 90, which is disposed at the bottom of the cavity 61 and is configured to receive the base 10, the cutting assembly 30 and the clamping assembly 20.

[0127] In this embodiment, a buffer assembly 90 is provided at the bottom of the cavity 61 of the receiving box 60 to receive the integral module formed by the base 10, the cutting assembly 30, and the clamping assembly 20 as it sinks into the cavity 61. Optionally, the buffer assembly 90 may be an elastic structure, including but not limited to a spring damping system, an elastic buffer pad, or an airbag, which absorbs the impact kinetic energy of the integral module when it falls and converts it into elastic potential energy or other forms of energy for dissipation. This avoids a rigid collision between the integral module and the bottom wall of the cavity 61, thus playing a buffering role and preventing the integral module from violently impacting the bottom wall of the cavity 61, thereby reducing the risk of damage to the cell dismantling device 100.

[0128] In one embodiment, the cell disassembly device 100 further includes a guide structure 70, which extends along the depth direction of the cavity 61. Part of the guide structure 70 is inserted into the cavity 61, and another part is exposed above the cavity 61. The base 10 is slidably connected to the guide structure 70.

[0129] In this embodiment, the cell disassembly device 100 further includes a guide structure 70 inserted into the cavity 61, with a portion of the guide structure 70 exposed above the cavity 61. The base 10 and the guide structure 70 are slidably connected; the guide structure 70 can be configured as a guide post, with an optical axis hole provided on the base 10 through which the guide post passes, or a linear bearing can be installed in the optical axis hole to cooperate with the guide post. Alternatively, the guide structure 70 can be configured as a guide rail, with a slider on the base 10 that slidably cooperates with the guide rail.

[0130] Using the above method, the guide structure 70 provides better guidance and positioning for the base 10, ensuring that it maintains a stable trajectory during lifting and lowering, and avoiding deviation or jamming. This allows the integrated module consisting of the base 10, clamping assembly 20, cutting assembly 30, and battery cell 200 to accurately fall into the cavity 61, preventing the base 10 and other components from shifting or overturning during descent, thus avoiding collisions or structural damage and further enhancing the reliability of the device operation.

[0131] In one embodiment, the cell disassembly device 100 further includes a locking component 80, which is disposed on the guide structure 70 and is used to lock the base 10 so that the base 10 is fixed above the cavity 61.

[0132] In this embodiment, the locking component 80 may include at least one of a pin, a threaded tightening mechanism, a snap-fit ​​mechanism, and a hook 82. The locking component 80 is mounted on the guide structure 70. During normal disassembly operations, the locking component 80 stably locks the base 10 in a preset working position above the cavity 61, preventing the base 10 from shifting under cutting vibration or external force, thus ensuring the stable progress of the disassembly process. In case of fire or other emergencies, the locking component 80 can be released from the base 10, allowing the base 10, along with the clamping component 20, the cutting component 30, and the battery cell 200, to descend into the cavity 61 along the guide structure 70. Optionally, the unlocking operation of the locking component 80 can be automatically driven and controlled by an electronic control component, a pneumatic component, or other components. For example, the locking component 80 includes a rotatable hook 82, which can be driven by a motor; or electromagnetic unlocking can be used; or a pneumatic component can be used to push the locking component 80 away from the base 10. Of course, the locking component 80 can also be manually unlocked by the user.

[0133] In one embodiment, the locking assembly 80 includes a mounting bracket 81 and a hook 82. The mounting bracket 81 is fixedly connected to the guide structure 70 and is located above the base 10. The hook 82 is rotatably disposed on the mounting bracket 81 and hooks the base 10 so that the base 10 is located above the cavity 61.

[0134] In this embodiment, the locking component 80 includes a mounting bracket 81 for connection with the guide structure 70, and a hook 82 disposed on the mounting bracket 81 for locking the base 10. The hook 82 is rotatably connected to the mounting bracket 81 and is rotatably disposed relative to the mounting bracket 81, and has a locked position and an unlocked position. When it is necessary to lock the base 10, the hook 82 rotates to the locked position to hook the base 10; when it is necessary to lower the base 10 and other components, the hook 82 can be driven to rotate to the unlocked position to release the base 10. The base 10 then quickly descends into the cavity 61 along the guide structure 70 under the action of gravity. The overall structure is simple and the operation is reliable. Optionally, the hook 82 can be driven manually by the operator or automatically driven by a motor or other driving component, which is not limited here.

[0135] In one embodiment, the cell disassembly device 100 further includes a detection component configured to emit a sensing signal when the cell 200 catches fire or the temperature is too high.

[0136] In this embodiment, the detection component may include at least one of a flame sensor, temperature sensor, thermal sensor, and smoke sensor. The detection component can be mounted on the base 10, clamping component 20, cutting component 30, or housing 60. Alternatively, other supports can be used to mount the detection component; no limitation is made here. By installing the detection component, the problem of a fire in the battery cell 200 can be quickly detected, promptly triggering fire prevention and extinguishing operations. It can also promptly notify the user for handling, improving the control and handling speed in the event of thermal runaway and a fire in the battery cell 200.

[0137] The above description is merely an exemplary embodiment of this application and does not limit the patent scope of this application. Any equivalent structural transformations made based on the technical concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. A battery cell dismantling device, characterized in that, include: Base; A clamping assembly is provided on the base, and the clamping assembly includes two clamping units that can move closer to or further away from each other; A cutting assembly, the cutting assembly including a cutting tool module, the cutting tool module including a cutting tool and an elastic element, the elastic element acting on the cutting tool, the elastic element being configured to apply an elastic force along a first direction to the cutting tool so that the cutting tool abuts against a battery cell clamped in the clamping assembly; At least one of the clamping assembly and the cutting assembly is movably configured such that the clamping assembly and the cutting assembly can move relative to each other along a second direction, so that the cutting assembly cuts the casing of the battery cell, wherein the first direction and the second direction intersect. The cell disassembly device further includes a first driving structure, which is in transmission cooperation with at least one of the cutting component and the clamping component to drive the cutting component and the clamping component to move closer or further apart relative to each other along the first direction.

2. The cell disassembly device as described in claim 1, characterized in that, The cutting assembly includes a mounting base module, which is disposed on the base and has a connecting arm extending along the first direction; The elastic element is configured as an elastic connecting arm, with one end of the elastic element connected to the cutting tool and the other end of the elastic element fixed relative to the connecting arm.

3. The cell disassembly device as described in claim 2, characterized in that, The mounting base module further includes a mounting base, which is connected to the base, and the connecting arm is slidably connected to the mounting base; The connecting arm can move up and down relative to the mounting base along a third direction, and the first direction, the second direction, and the third direction intersect each other.

4. The cell disassembly device as described in claim 2, characterized in that, The cutting tool module also includes a fixing member, and the end of the elastic member away from the cutting tool is connected to the fixing member. The fixing member is detachably connected to the connecting arm.

5. The cell disassembly device as described in claim 4, characterized in that, The connecting arm is provided with a mounting hole, the elastic element passes through the mounting hole, and the fixing element is located on the side of the connecting arm opposite to the cutter and abuts against the surface of the connecting arm opposite to the cutter.

6. The cell dismantling apparatus as described in any one of claims 1 to 5, characterized in that, The clamping unit includes: A mounting portion, movably disposed on the base, to be close to or away from another of the clamping units; and A clamping part is provided on the side of the mounting part facing the other clamping unit, and the clamping part can be elastically deformed in the arrangement direction of the two clamping units.

7. The cell disassembly device as described in claim 6, characterized in that, The clamping part includes a plurality of telescopic columns, which extend along the arrangement direction of the two clamping units, and a portion of the telescopic column is movably inserted into the mounting part; Alternatively, the clamping part may be made of an elastic material and have multiple perforated holes.

8. The cell dismantling apparatus as described in any one of claims 1 to 5, characterized in that, The cutting tool includes at least two blades, which are arranged along a third direction, wherein the first direction, the second direction, and the third direction intersect each other.

9. The cell disassembly device as described in claim 8, characterized in that, The distance between the two blades is gradually increased along the direction close to the clamping assembly.

10. The cell dismantling apparatus as described in any one of claims 1 to 5, characterized in that, The cell dismantling device also includes a receiving box, which has a cavity with a top opening. The base is adjustable in height and can enter and exit the cavity through the top opening.

11. The cell disassembly device as described in claim 10, characterized in that, The cavity is configured to contain extinguishing media; And / or, the cell disassembly device further includes a buffer assembly located at the bottom of the cavity, the buffer assembly being configured to support the base, the cutting assembly, and the clamping assembly.

12. The cell disassembly device as described in claim 10, characterized in that, The cell disassembly device also includes a guide structure that extends along the depth direction of the cavity. Part of the guide structure is inserted into the cavity, while another part is exposed above the cavity. The base is slidably connected to the guide structure.

13. The cell disassembly device as described in claim 12, characterized in that, The cell disassembly device further includes a locking component, which is disposed on the guide structure and is used to lock the base so that the base is fixed above the cavity.

14. The cell disassembly device as described in claim 13, characterized in that, The locking component includes: The mounting bracket is fixedly connected to the guide structure and is located above the base; A hook, rotatably mounted on the mounting bracket, hooks onto the base so that the base is positioned above the cavity.

15. The cell dismantling apparatus as described in any one of claims 1 to 5, characterized in that, The cell dismantling device also includes a detection component, which is configured to emit a sensing signal when the cell catches fire or the temperature is too high.

16. The cell dismantling apparatus as described in any one of claims 1 to 5, characterized in that, The clamping assembly further includes: A base unit, wherein the base unit is disposed on the base, and two clamping units are movably disposed on the base unit; and A drive unit is disposed on the base unit and is in transmission cooperation with at least one of the clamping units to drive the two clamping units to move closer or further apart from each other.

17. The cell disassembly device as described in claim 16, characterized in that, The clamping assembly further includes a support pad, which is disposed on the base unit. The support pad is located in the area between the orthographic projections of the two clamping units on the base unit and is positioned below the clamping units. Along the arrangement direction of the two clamping units, the distances of the two clamping units from the support pad are different.

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