Battery cell module pre-pressing device

Abstract

The utility model relates to the technical field of battery production, and discloses a battery cell module pre-pressing device, which comprises a battery cell placing platform for placing a battery cell to be pre-pressed; the end part limiting mechanism is arranged corresponding to one end of the battery cell placing platform and is used for preliminarily limiting the battery cell to be pre-pressed; the side edge limiting mechanism is adjacent to the end part limiting mechanism, is correspondingly arranged on the side edge of the battery cell placing platform, and is used for further limiting the battery cell to be pre-pressed; and the extrusion force measuring mechanism is opposite to the end part limiting mechanism, is correspondingly arranged at the other end of the battery cell placing platform, and is used for being combined with the end part limiting mechanism to realize pre-pressing of a battery cell module consisting of a plurality of battery cells. The utility model provides a battery cell module pre-pressing device, which can effectively meet the pre-pressing of different types of battery cells, not only has high generality, but also can effectively reduce the time for equipment transformation and the cost of manpower and material resources, and achieves the purposes of energy conservation and efficiency improvement.

Description

Technical Field

[0001] This utility model relates to the field of battery production technology, specifically to a pre-compression device for battery cell modules. Background Technology

[0002] Cell module pre-compression is a process of pre-compressing multiple cells with binding tape.

[0003] In the process of small-batch prototyping for new enterprise projects, the traditional method is to modify existing pre-compression equipment to achieve pre-compression of battery cell modules. This method often suffers from the following problems:

[0004] 1. The number of existing pre-compression equipment is limited. If suitable, temporarily available equipment cannot be found, it may easily delay the sample preparation progress.

[0005] 2. Most of the parts that need to be modified in the pre-compression equipment are made of steel and weigh around 50kg. When these parts are replaced on the equipment, it often takes two people to lift them up. The modification is difficult and requires a lot of time and resources to complete.

[0006] 3. The pre-compression equipment has undergone multiple sample preparation modifications, resulting in a reduced match between the drawings and the actual equipment. This can easily lead to various problems during sample preparation and use, often requiring multiple reworks to meet acceptance standards. This not only delays the progress but also incurs additional time, resources, and funds, significantly increasing costs.

[0007] In summary, redesigning the pre-compression equipment and replacing the corresponding parts is quite difficult and expensive. If the existing pre-compression equipment is used for pre-compression of battery cell modules, it often requires a lot of time and resources to complete, which is not conducive to the development of small-batch sample production for new projects and cannot achieve the goal of energy saving and efficiency improvement. Utility Model Content

[0008] To address the shortcomings of the existing technology, this utility model provides a pre-compression device for battery cell modules. It utilizes an end-limiting mechanism and a side-limiting mechanism to limit the two adjacent sides of the battery cell, along with a compression force-measuring mechanism combined with the end-limiting mechanism to pre-compress the two ends of the battery cell. This allows for unrestricted dimensions of at least two adjacent sides of the battery cell placed on the battery cell placement platform, effectively meeting the pre-compression requirements of different battery cell models. The device is highly versatile and, compared to existing methods of pre-compressing battery cells by modifying existing equipment, effectively reduces the time and manpower costs associated with equipment modification, achieving energy conservation and efficiency improvement. This, in turn, facilitates the small-batch sample production of new projects.

[0009] The technical effects to be achieved by this utility model are realized through the following technical aspects:

[0010] This utility model provides a pre-loading device for battery cell modules, comprising:

[0011] A cell placement platform is used to place cells to be pre-charged.

[0012] An end limiting mechanism is provided corresponding to one end of the cell placement platform and is used for the initial limiting of the cell to be pre-pressurized;

[0013] A side limiting mechanism is provided adjacent to and corresponding to the end limiting mechanism on the side of the cell placement platform for further limiting the cell to be pre-pressed;

[0014] And a compression force measuring mechanism, which is opposite to and correspondingly arranged on the other end of the cell placement platform, is used to combine with the end limiting mechanism to realize the pre-compression of the cell module composed of multiple cells.

[0015] As one preferred embodiment, the side limiting mechanism includes a side limiting mechanism mounting plate correspondingly disposed on the side of the cell placement platform, a side limiting adjustment component disposed on the side limiting mechanism mounting plate, and a side limiting component disposed on the side limiting adjustment component for limiting the side of the cell to be pre-pressurized.

[0016] As one preferred embodiment, the side limiting adjustment assembly includes a plurality of slide rail slider units arranged along the length direction of the side limiting mechanism mounting plate and whose sliding direction is perpendicular to the length direction of the side limiting mechanism mounting plate, a side limiting assembly mounting bracket disposed on the slider of the slide rail slider unit, and a sliding limiting unit disposed adjacent to the slide rail slider unit for realizing slider limiting.

[0017] As one preferred embodiment, the sliding limiting unit includes a limiting slot plate adjacent to the slide rail slider unit and disposed on the side limiting mechanism mounting plate, and an indexing pin passing through the slider of the slide rail slider unit and connected to the limiting slot plate.

[0018] As one preferred embodiment, the side limiting assembly includes a side limiting plate mounting bracket disposed on the side limiting adjustment assembly, and a side limiting member disposed on the side limiting plate mounting bracket corresponding to the side of the cell placement platform.

[0019] As one preferred embodiment, the extrusion force measuring mechanism includes an extrusion mechanism mounting frame corresponding to the end of the battery cell placement platform, a lead screw adjustment assembly mounted on the extrusion mechanism mounting frame, an extrusion guide assembly connected to the movable end of the lead screw adjustment assembly and passing through the extrusion mechanism mounting frame, an extrusion linkage mounting plate mounted on the extrusion guide assembly near one end of the battery cell placement platform, an extrusion limiting assembly passing through the extrusion linkage mounting plate, a force measuring sensor mounted between the extrusion limiting assembly and the extrusion linkage mounting plate, and a force gauge assembly connected to the force measuring sensor.

[0020] As one preferred embodiment, the lead screw adjustment assembly includes a first adjustment mounting seat and a second adjustment mounting seat disposed on two opposite sides of the extrusion mechanism mounting frame, an adjustment lead screw disposed between the first adjustment mounting seat and the second adjustment mounting seat, a lead screw linkage seat threadedly connected to the adjustment lead screw, and a lead screw rotation adjustment component connected to the end of the adjustment lead screw away from the cell placement platform and disposed on the outside of the extrusion mechanism mounting frame;

[0021] The extrusion guide assembly includes a guide assembly linkage plate connected to the lead screw linkage seat, an extrusion guide sleeve disposed on the side of the extrusion mechanism mounting frame adjacent to the cell placement platform, and an extrusion guide column passing through the extrusion guide sleeve, one end of which is connected to the guide assembly linkage plate and the other end of which is connected to the extrusion linkage mounting plate.

[0022] As one preferred embodiment, the extrusion limiting assembly includes a guide sleeve disposed on the extrusion linkage mounting plate, a guide post passing through the guide sleeve, an extrusion limiting mounting plate disposed on the guide post near one end of the cell placement platform, and an extrusion limiting member disposed on the extrusion limiting mounting plate.

[0023] As one preferred embodiment, the end limiting mechanism includes an end limiting mechanism mounting frame corresponding to the end of the cell placement platform, and an end limiting member disposed on the end limiting mechanism mounting frame;

[0024] The end limiting mechanism mounting frame includes an L-shaped mounting plate and a plurality of supporting reinforcing ribs disposed on the L-shaped mounting plate; and the end limiting member is disposed on the side of the L-shaped mounting plate away from the supporting reinforcing ribs.

[0025] As one preferred embodiment, the battery cell module pre-compression device further includes a movable device frame for mounting the battery cell placement platform, the end limiting mechanism, the side limiting mechanism, and the extrusion force measuring mechanism; it includes a device frame body, and casters and feet disposed at the bottom of the device frame body.

[0026] In summary, this utility model has at least the following advantages:

[0027] This utility model provides a pre-compression device for battery cell modules. It utilizes an end limiting mechanism and a side limiting mechanism that can limit the two adjacent sides of the battery cell, as well as a compression force measuring mechanism that combines with the end limiting mechanism to pre-compress the two ends of the battery cell. This device pre-compresses the battery cell module, allowing the dimensions of at least two adjacent sides of the battery cell to be pre-compressed placed on the battery cell placement platform to be unrestricted. It effectively meets the pre-compression requirements of different battery cell models. Not only is the equipment highly versatile, but compared with the existing technology of pre-compressing the battery cell by modifying existing equipment, it can effectively reduce the time and manpower and material costs of equipment modification, achieve the purpose of energy saving and efficiency improvement, and thus facilitate the development of small-batch sample production for new projects. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of the pre-loading device for the battery cell module in this embodiment of the present invention. Figure 1 .

[0029] Figure 2 This is a schematic diagram of the overall structure of the pre-loading device for the battery cell module in this embodiment of the present invention. Figure 2 .

[0030] Figure 3 This is a schematic diagram of the side limiting mechanism in an embodiment of the present invention.

[0031] Figure 4 This is a schematic diagram of the assembly structure of the side limiting mechanism mounting plate and the side limiting adjustment component in an embodiment of this utility model.

[0032] Figure 5 for Figure 4 An enlarged schematic diagram of part A in the middle.

[0033] Figure 6 This is a schematic diagram of the extrusion force measuring mechanism in an embodiment of this utility model.

[0034] Figure 7 This is an exploded view of the extrusion force measuring mechanism according to an embodiment of the present invention.

[0035] Figure 8 This is a schematic diagram of the end limiting mechanism in an embodiment of the present invention.

[0036] Figure label:

[0037] 100. Battery cell placement platform;

[0038] 200. End limiting mechanism; 210. End limiting mechanism mounting bracket; 211. L-shaped mounting plate; 212. Supporting reinforcing rib; 220. End limiting component;

[0039] 300. Side limiting mechanism; 310. Side limiting mechanism mounting plate; 320. Side limiting adjustment assembly; 321. Slide rail slider unit; 322. Side limiting assembly mounting bracket; 323. Sliding limiting unit; 3231. Limiting slot plate; 3231a. Slot plate body; 3231b. Limiting slot; 3232. Indexing pin; 330. Side limiting assembly; 331. Side limiting plate mounting bracket; 332. Side limiting component;

[0040] 400. Extrusion force measuring mechanism; 410. Extrusion mechanism mounting frame; 411. Mounting frame base plate; 412. First mounting frame side plate; 413. Second mounting frame side plate; 414. Mounting frame top plate; 415. First protective side plate; 416. Second protective side plate; 420. Screw adjustment assembly; 421. First adjustment mounting seat; 422. Second adjustment mounting seat; 423. Adjusting screw; 424. Screw linkage seat; 425. 430. Rod rotation adjustment component; 431. Extrusion guide assembly; 432. Guide assembly linkage plate; 433. Extrusion guide sleeve; 434. Extrusion guide column; 450. Extrusion linkage mounting plate; 451. Extrusion limiting assembly; 452. Guide sleeve; 453. Guide column; 454. Extrusion limiting component; 460. Force sensor; 470. Force gauge assembly; 471. Force gauge mounting bracket; 472. Force gauge;

[0041] 500. Mobile device frame; 510. Device frame body; 520. Casters; 530. Foot cups. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The described embodiments are some, but not all, of the embodiments of this utility model.

[0043] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0044] Please see the appendix Figure 1 and 2The pre-compression device for battery cell modules according to this utility model includes a mobile device frame 500, a battery cell placement platform 100 disposed on the mobile device frame 500, an end limiting mechanism 200 disposed on the mobile device frame 500 corresponding to one end of the battery cell placement platform 100, a side limiting mechanism 300 disposed adjacent to the end limiting mechanism 200 and corresponding to the side of the battery cell placement platform 100, and a compression force measuring mechanism 400 disposed opposite to the end limiting mechanism 200 and corresponding to the other end of the battery cell placement platform 100. The mobile device frame 500 is used to install the cell placement platform 100, the end limiting mechanism 200, the side limiting mechanism 300, and the extrusion force measuring mechanism 400, facilitating the overall movement of the device. The cell placement platform 100 is used to place the cells to be pre-pressed, the end limiting mechanism 200 is used for the initial limiting of the cells to be pre-pressed, and the side limiting mechanism 300 is used for the further limiting of the cells to be pre-pressed. The extrusion force measuring mechanism 400 is used in conjunction with the end limiting mechanism 200 to realize the pre-pressing of the cell module composed of multiple cells.

[0045] Please see the appendix Figure 2 Furthermore, the mobile device frame 500 includes a device frame body 510 for installing and fixing the overall device mechanism, casters 520 disposed at the bottom of the device frame body 510 to facilitate the overall movement of the device, and feet 530 disposed at the bottom of the device frame body 510 for limiting and supporting the overall movement of the device; preferably, the casters 520 and feet 530 are adjacent to each other and disposed at the four corners of the bottom of the device frame body 510.

[0046] Please refer to the appendix for further details. Figure 3-5 In some embodiments, the side limiting mechanism 300 includes a side limiting mechanism mounting plate 310 correspondingly disposed on the side of the cell placement platform 100 for overall installation of the mechanism, a side limiting adjustment component 320 disposed on the side limiting mechanism mounting plate 310, and a side limiting component 330 disposed on the side limiting adjustment component 320 for limiting the side of the cell to be pre-pressurized; the side limiting component 330 can move towards or away from the side of the cell placement platform 100 under the adjustment action of the side limiting adjustment component 320 to accommodate the limiting and pre-pressurization of different types of cells.

[0047] In some embodiments, the side limit adjustment assembly 320 includes a plurality of slide rail slider units 321 arranged along the length direction of the side limit mechanism mounting plate 310 and whose sliding direction is perpendicular to the length direction of the side limit mechanism mounting plate 310; a side limit assembly mounting bracket 322 disposed on the slider of the slide rail slider unit 321 for mounting and connecting the side limit assembly 330; and a sliding limit unit 323 disposed adjacent to the slide rail slider unit 321 for realizing slider limit. Furthermore, the sliding limiting unit 323 includes a limiting slot plate 3231 adjacent to the slide rail slider unit 321 and disposed on the side limiting mechanism mounting plate 310, and an indexing pin 3232 passing through the slider of the slide rail slider unit 321 and connected to the limiting slot plate 3231; preferably, the limiting slot plate 3231 includes a slot plate body 3231a whose length direction is parallel to the sliding direction of the slider in the slide rail slider unit 321, and a plurality of limiting slots 3231b opened in the length direction of the slot plate body 3231a for limiting the indexing pin 3232.

[0048] When changing the pre-loaded cell model, the indexing pin 3232 can be loosened. By cooperating with different limit slots 3231b, the sliding of the slider in the slide rail slider unit 321 can be adjusted, thereby adjusting the position movement of the side limit component mounting bracket 322 and the side limit component 330 set on the side limit component mounting bracket 322 to adapt to the change of pre-loaded cell size, meet the pre-load requirements of different cells, and improve the overall versatility and compatibility of the device.

[0049] Furthermore, the side limiting assembly 330 includes a side limiting plate mounting frame 331 disposed on the side limiting assembly mounting frame 322, and a side limiting member 332 disposed on the side limiting plate mounting frame 331 corresponding to the side of the cell placement platform 100; preferably, the side limiting member 332 can be a limiting plate or a limiting block structure, and can be adaptively designed according to the size of the cell and the number of pre-pressed cells. The specific structure is not explicitly limited, as long as it can meet the limiting and pre-pressing of the cell.

[0050] Please refer to the appendix for further details. Figure 6-7In some embodiments, the extrusion force measuring mechanism 400 includes an extrusion mechanism mounting frame 410 corresponding to the end of the cell placement platform 100, a lead screw adjusting assembly 420 disposed on the extrusion mechanism mounting frame 410, an extrusion guide assembly 430 connected to the movable end of the lead screw adjusting assembly 420 and passing through the extrusion mechanism mounting frame 410, an extrusion linkage mounting plate 440 disposed on one end of the extrusion guide assembly 430 adjacent to the cell placement platform 100, an extrusion limiting assembly 450 passing through the extrusion linkage mounting plate 440, a force measuring sensor 460 disposed between the extrusion limiting assembly 450 and the extrusion linkage mounting plate 440, and a force gauge assembly 470 connected to the force measuring sensor 460. Preferably, the extrusion mechanism mounting frame 410 is a cubic mounting frame structure; its specific structure includes a mounting frame base plate 411 adjacent to the cell placement platform 100 and disposed on the device frame body 510, a first mounting frame side plate 412 and a second mounting frame side plate 413 disposed on both sides of the mounting frame base plate 411 for mounting and connecting the lead screw adjustment assembly 420 and the extrusion guide assembly 430, a mounting frame top plate 414 mounted between the top of the first mounting frame side plate 412 and the second mounting frame side plate 413, and a first protective side plate 415 and a second protective side plate 416 disposed between the sides of the first mounting frame side plate 412 and the second mounting frame side plate 413.

[0051] The force gauge assembly 470 includes a force gauge mounting bracket 471 adjacent to the extrusion mechanism mounting bracket 410 and mounted on the mobile device frame 500, and a force gauge 472 electrically connected to the force sensor 460 and mounted on the force gauge mounting bracket 471. The force sensor 460 and the force gauge 472 are not the main inventive points of this technical solution; any device that can achieve the corresponding function in the prior art can be used, and therefore will not be described in detail here.

[0052] When the extrusion limiting assembly 450 pre-compresses the battery cell under the power drive of the lead screw adjusting assembly 420, the extrusion guide assembly 430 can limit and correct the movement direction of the extrusion limiting assembly 450, ensuring that the extrusion limiting assembly 450 can accurately pre-compress the battery cell, thereby improving the accuracy and stability of the battery cell pre-compressing; during the battery cell pre-compressing process, the force sensor 460 can measure the force of the battery cell pre-compressing in real time and transmit it to the force gauge assembly 470 connected to it;

[0053] When the pressure value on the force gauge assembly 470 reaches the preset value, the movement and adjustment of the screw adjustment assembly 420 is stopped. After multiple battery cells are bundled or locked together to form a battery cell module, the screw adjustment assembly 420 is adjusted to drive the compression limit assembly 450 to move away from the battery cells, so that the bundled battery cell module can be easily removed, thus completing the pre-compression of the battery cell module.

[0054] In some embodiments, the lead screw adjustment assembly 420 includes a first adjustment mounting seat 421 and a second adjustment mounting seat 422 disposed on two opposite sides of the extrusion mechanism mounting frame 410, an adjustment lead screw 423 disposed between the first adjustment mounting seat 421 and the second adjustment mounting seat 422, a lead screw linkage seat 424 threadedly connected to the adjustment lead screw 423, and a lead screw rotation adjustment member 425 connected to the end of the adjustment lead screw 423 away from the cell placement platform 100 and disposed on the outside of the extrusion mechanism mounting frame 410; preferably, the lead screw rotation adjustment member 425 is a wheel handle. The extrusion guide assembly 430 includes a guide assembly linkage plate 431 connected to the lead screw linkage seat 424, an extrusion guide sleeve 432 disposed on the side of the extrusion mechanism mounting frame 410 adjacent to the cell placement platform 100, and an extrusion guide post 433 passing through the extrusion guide sleeve 432, one end of which is connected to the guide assembly linkage plate 431 and the other end of which is connected to the extrusion linkage mounting plate 440.

[0055] When pre-pressing the battery cell, the wheel handle can be rotated to drive the adjusting screw 423 connected thereto to rotate, thereby causing the screw linkage seat 424 threadedly connected to the adjusting screw 423 to move closer to the battery cell; at the same time, the guide component linkage plate 431 connected to the screw linkage seat 424 will move closer to the battery cell under the action of the screw linkage seat 424, causing the extrusion guide post 433 connected thereto to move along the axial direction of the extrusion guide sleeve 432, thereby driving the extrusion linkage mounting plate 440 connected to the other end of the extrusion guide post 433 to move closer to the battery cell; at the same time, the extrusion limiting component 450 set on the extrusion linkage mounting plate 440 will pre-press the battery cell placed on the battery cell placement platform 100 under its action.

[0056] Furthermore, the extrusion limiting assembly 450 includes a guide sleeve 451 disposed on the extrusion linkage mounting plate 440, a guide post 452 passing through the guide sleeve 451, an extrusion limiting mounting plate 453 disposed on one end of the guide post 452 adjacent to the cell placement platform 100, and an extrusion limiting member 454 disposed on the extrusion limiting mounting plate 453. Preferably, the extrusion limiting member 454 can be a limiting plate or a limiting block structure, and can be adaptively designed according to the size of the cell and the number of pre-compressed cells. The specific structure is not explicitly limited, as long as it can meet the limiting and pre-compressing requirements of the cell.

[0057] When the extrusion limiting assembly 450 pre-compresses the battery cell under the action of the extrusion linkage mounting plate 440, the extrusion limiting member 454 will first abut against the end of the battery cell. As the extrusion linkage mounting plate 440 continues to move closer to the battery cell, due to the abutment of the battery cell, the extrusion limiting member 454 and the extrusion limiting mounting plate 453 will move away from the battery cell along the axial direction of the guide post 452, compressing the force sensor 460 set between the extrusion limiting assembly 450 and the extrusion linkage mounting plate 440. The force sensor 460 monitors the pressure value between the two in real time and transmits it to the force gauge assembly 470 connected to it. When the operator observes that the pressure value on the force gauge assembly 470 reaches the preset value, the rotation of the wheel handle is stopped, and multiple battery cells are tied or locked to form a battery cell module. The wheel handle is then rotated in the opposite direction to drive the extrusion limiting assembly 450 to move away from the battery cell, making it easier to remove the battery cell module that has been tied together, thus completing the pre-compression of the battery cell module.

[0058] Please refer to the appendix for further details. Figure 8 In some embodiments, the end limiting mechanism 200 includes an end limiting mechanism mounting frame 210 corresponding to the end of the cell placement platform 100, and an end limiting member 220 disposed on the end limiting mechanism mounting frame 210. Preferably, the end limiting member 220 can be a limiting plate or a limiting block structure, and can be adaptively designed according to the size of the cell and the number of pre-loaded cells. The specific structure is not explicitly limited, as long as it can meet the limiting and pre-loading of the cell. Further, the end limiting mechanism mounting frame 210 includes an L-shaped mounting plate 211 and a plurality of supporting reinforcing ribs 212 disposed on the L-shaped mounting plate 211; and the end limiting member 220 is disposed on the side of the L-shaped mounting plate 211 away from the supporting reinforcing ribs 212.

[0059] As can be seen from the technical solutions of the above embodiments, the present invention provides a pre-pressurization device for battery cell modules, which can effectively meet the pre-pressurization requirements of different models of battery cells. Not only is the equipment highly versatile, but it can also effectively reduce the time and manpower and material costs of equipment modification, thereby achieving the purpose of energy saving and efficiency improvement, which is conducive to the development of small-batch sample production work for new projects.

[0060] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0061] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0062] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0063] In this invention, unless otherwise expressly specified and limited, "above or below" the first feature may include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on" the first feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the first feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0064] Although the description of this utility model has been given in conjunction with the specific embodiments described above, it is obvious to those skilled in the art that many substitutions, modifications, and variations can be made based on the above description. Therefore, all such substitutions, modifications, and variations are included within the spirit and scope of the appended claims.

Claims

1. A pre-loading device for a battery cell module, characterized in that, include: A cell placement platform (100) is used for placing cells to be pre-charged; An end limiting mechanism (200) is provided corresponding to one end of the cell placement platform (100) for the initial limiting of the cell to be pre-pressurized; A side limiting mechanism (300) is adjacent to and correspondingly disposed on the side of the cell placement platform (100) and is used for further limiting of the cell to be pre-pressed; And a pressure measuring mechanism (400) is provided on the other end of the cell placement platform (100) opposite to and corresponding to the end limiting mechanism (200), for use in combination with the end limiting mechanism (200) to realize the pre-pressure of the cell module composed of multiple cells.

2. The pre-loading device for battery cell modules according to claim 1, characterized in that, The side limiting mechanism (300) includes a side limiting mechanism mounting plate (310) correspondingly disposed on the side of the cell placement platform (100), a side limiting adjustment component (320) disposed on the side limiting mechanism mounting plate (310), and a side limiting component (330) disposed on the side limiting adjustment component (320) for limiting the side of the cell to be pre-pressurized.

3. The pre-loading device for battery cell modules according to claim 2, characterized in that, The side limit adjustment assembly (320) includes a plurality of slide rail slider units (321) arranged along the length direction of the side limit mechanism mounting plate (310) and whose sliding direction is perpendicular to the length direction of the side limit mechanism mounting plate (310), a side limit assembly mounting bracket (322) disposed on the slider of the slide rail slider unit (321), and a sliding limit unit (323) disposed adjacent to the slide rail slider unit (321) for realizing slider limit.

4. The pre-loading device for battery cell modules according to claim 3, characterized in that, The sliding limiting unit (323) includes a limiting slot plate (3231) adjacent to the slide rail slider unit (321) and disposed on the side limiting mechanism mounting plate (310), and an indexing pin (3232) passing through the slider of the slide rail slider unit (321) and connected to the limiting slot plate (3231).

5. The pre-loading device for battery cell modules according to claim 2, characterized in that, The side limiting assembly (330) includes a side limiting plate mounting bracket (331) disposed on the side limiting adjustment assembly (320), and a side limiting member (332) disposed on the side limiting plate mounting bracket (331) corresponding to the side of the cell placement platform (100).

6. The pre-loading device for battery cell modules according to claim 1, characterized in that, The extrusion force measuring mechanism (400) includes an extrusion mechanism mounting frame (410) corresponding to the end of the cell placement platform (100), a lead screw adjustment assembly (420) disposed on the extrusion mechanism mounting frame (410), an extrusion guide assembly (430) connected to the movable end of the lead screw adjustment assembly (420) and passing through the extrusion mechanism mounting frame (410), an extrusion linkage mounting plate (440) disposed on one end of the extrusion guide assembly (430) adjacent to the cell placement platform (100), an extrusion limiting assembly (450) passing through the extrusion linkage mounting plate (440), a force sensor (460) disposed between the extrusion limiting assembly (450) and the extrusion linkage mounting plate (440), and a force gauge assembly (470) connected to the force sensor (460).

7. The pre-loading device for battery cell modules according to claim 6, characterized in that, The lead screw adjustment assembly (420) includes a first adjustment mounting seat (421) and a second adjustment mounting seat (422) disposed on two opposite sides of the extrusion mechanism mounting frame (410), an adjustment lead screw (423) disposed between the first adjustment mounting seat (421) and the second adjustment mounting seat (422), a lead screw linkage seat (424) threadedly connected to the adjustment lead screw (423), and a lead screw rotation adjustment member (425) connected to the end of the adjustment lead screw (423) away from the cell placement platform (100) and disposed on the outside of the extrusion mechanism mounting frame (410); The extrusion guide assembly (430) includes a guide assembly linkage plate (431) connected to the lead screw linkage seat (424), an extrusion guide sleeve (432) disposed on the side of the extrusion mechanism mounting frame (410) adjacent to the cell placement platform (100), an extrusion guide column (433) passing through the extrusion guide sleeve (432), one end of which is connected to the guide assembly linkage plate (431) and the other end of which is connected to the extrusion linkage mounting plate (440).

8. The pre-loading device for battery cell modules according to claim 6, characterized in that, The extrusion limiting assembly (450) includes a guide sleeve (451) disposed on the extrusion linkage mounting plate (440), a guide post (452) passing through the guide sleeve (451), an extrusion limiting mounting plate (453) disposed at one end of the guide post (452) adjacent to the cell placement platform (100), and an extrusion limiting member (454) disposed on the extrusion limiting mounting plate (453).

9. The pre-loading device for battery cell modules according to claim 1, characterized in that, The end limiting mechanism (200) includes an end limiting mechanism mounting frame (210) corresponding to the end of the cell placement platform (100), and an end limiting member (220) disposed on the end limiting mechanism mounting frame (210); The end limiting mechanism mounting bracket (210) includes an L-shaped mounting plate (211) and a plurality of supporting reinforcing ribs (212) disposed on the L-shaped mounting plate (211); and the end limiting member (220) is disposed on the side of the L-shaped mounting plate (211) away from the supporting reinforcing ribs (212).

10. The pre-loading device for battery cell modules according to claim 1, characterized in that, It also includes a mobile device frame (500) for mounting the cell placement platform (100), the end limiting mechanism (200), the side limiting mechanism (300) and the extrusion force measuring mechanism (400); it includes a device frame body (510), and casters (520) and feet (530) disposed at the bottom of the device frame body (510).

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