Battery module assembling tool

Abstract

The utility model belongs to the technical field of batteries, and discloses a battery module assembling tool which comprises a battery monomer stacking mechanism and a busbar assembling mechanism, the battery monomer stacking mechanism comprises a stacking assembly and a driving assembly, the stacking assembly is provided with a cavity for accommodating a battery module, and the driving assembly is arranged at one end of the stacking assembly and is used for providing extrusion force for stacking the battery module in the cavity; the busbar assembling mechanism comprises a cover plate and a plurality of pushing and pressing assemblies, the cover plate is connected with the stacking assembly, and the pushing and pressing assemblies are arranged on the cover plate, correspond to the battery modules and are used for providing pushing and pressing force for busbar assembling of the battery modules. According to the utility model, the time and steps for transferring the battery module among different mechanisms are reduced, so that the production speed is increased, the requirement of the battery module assembly tool on the production space is effectively reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a battery module assembly tool. Background Art

[0002] Currently, when multiple single cells are stacked, they are stacked into battery modules through stacking equipment specially used for battery stacking, and then the stacked battery modules are transferred to bus assembly equipment specially used for assembling buses, and the buses are installed on the battery modules through the bus assembly equipment. Although the stacking of battery modules and the installation of buses are completed, when the battery modules are stacked and the buses are installed through two independent stacking equipment and bus assembly equipment, the operator may need to switch between two different equipment, which increases the complexity of the operation and the possibility of errors, and requires more time and steps to complete the entire battery module assembly process, thereby reducing the production efficiency of the battery modules, and the two independent sets of equipment require more space for installation and operation, which increases the space occupancy rate of the production site. Utility Model Content

[0003] The main purpose of the present utility model is to provide a battery module assembly tool, which aims to solve the technical problem that the existing battery module stacking and bus installation need to be performed on two independent stacking devices and bus assembly devices respectively, resulting in low production efficiency and high space occupancy.

[0004] In order to achieve the above-mentioned purpose of the utility model, the utility model proposes a battery module assembly tool, including a battery cell stacking mechanism and a busbar assembly mechanism;

[0005] The battery cell stacking mechanism includes a stacking assembly and a driving assembly. The stacking assembly is provided with a cavity for accommodating the battery module. The driving assembly is provided at one end of the stacking assembly for providing an extrusion force for stacking the battery modules in the cavity.

[0006] The busbar assembly mechanism includes a cover plate and a plurality of pushing components. The cover plate is connected to the stacking component. The pushing components are arranged on the cover plate and correspond to the battery module to provide pushing force for the busbar assembly of the battery module.

[0007] Furthermore, the stacking assembly includes a base plate, and a stacking fixing device and a stacking movable device relatively arranged on the base plate. At least two relative guide positioning strips are also arranged on the base plate, and the guide positioning strips are located between the stacking fixing device and the stacking movable device.

[0008] Furthermore, the guide positioning strip is provided with a plurality of first positioning pins, the base plate is provided with a plurality of first positioning holes corresponding to the first positioning pins, and the guide positioning strip is connected to the base plate by inserting the first positioning pins into the first positioning holes.

[0009] Furthermore, the stacking fixing device includes a first support plate and a fixing plate, the first support plate is connected to the base plate, the fixing plate is arranged at one end of the first support plate close to the stacking movable device, and the fixing plate is connected to the first support plate through a plurality of first guide rods.

[0010] Furthermore, the stacking movable device includes a second support plate and a movable plate, the second support plate is fixedly connected to the base plate, the movable plate is arranged at one end of the second support plate close to the stacking fixed device, and the movable plate is connected to the second support plate through a plurality of second guide rods.

[0011] Furthermore, the movable plate is provided with a plurality of first special-shaped grooves, the fixed plate is provided with a plurality of second special-shaped grooves, and the first special-shaped grooves and the second special-shaped grooves respectively correspond to the front special-shaped parts and the rear special-shaped parts of the battery module.

[0012] Furthermore, the driving assembly includes a driving member, a piston guide rod and a floating joint seat, the driving member is connected to the second support plate through a rod barrel, the floating joint seat is connected to one end of the movable plate close to the second support plate, the piston guide rod is arranged on the driving member and passes through the second support plate and the rod barrel, and is connected to the floating joint seat.

[0013] Furthermore, the driving assembly further includes a first pressure regulating valve, which is arranged on the base plate and connected to the driving member, and is used to adjust the extension length of the piston guide rod.

[0014] Furthermore, the driving assembly includes a base, a lever support assembly and a main rod, the base is connected to the bottom plate of the second support plate away from the movable plate, the lever support assembly is connected to the base, the main rod is connected to one end of the movable plate close to the second support plate and passes through the second support plate, and the lever support assembly is connected to the main rod through a power arm.

[0015] Furthermore, the lever support assembly includes a handle and a connecting plate connected to the base, wherein the connecting plate is provided with a plurality of through holes, and the handle and the power arm are adjustably connected to the connecting plate through the through holes.

[0016] Furthermore, the pushing assembly includes a pushing piece, a piston push rod and a busbar pressure block, the pushing piece is connected to the cover plate, the busbar pressure block is connected to the cover plate through a third guide rod, and the piston push rod is arranged on the pushing piece and passes through the cover plate to be connected to the busbar pressure block.

[0017] Furthermore, the pushing assembly also includes a second pressure regulating valve, which is arranged on the cover plate and connected to the pushing member, and is used to adjust the extension length of the piston push rod.

[0018] Furthermore, the pushing assembly further includes a pole support assembly, the pole support assembly corresponds to the busbar pressure block, and the pole support assembly is detachably arranged on the base plate.

[0019] Furthermore, the pole support assembly is provided with a plurality of second positioning pins, the base plate is provided with a plurality of second positioning holes corresponding to the second positioning pins, and the pole support assembly is connected to the base plate by inserting the second positioning pins into the second positioning holes.

[0020] Furthermore, the pole support assembly includes a support seat, a support block and multiple support columns, the support seat is arranged on the base plate, the support block is arranged at one end of the support seat away from the base plate, and the multiple support columns are arranged at intervals at one end of the support block away from the support seat.

[0021] Furthermore, the battery module assembly tool also includes a pull block arranged on the busbar pressure block, the pull block includes a clamping portion and a plug-in portion, the clamping portion is clamped on the busbar pressure block, and the plug-in portion is arranged at one end of the clamping portion close to the battery module for disassembling the busbar.

[0022] Furthermore, the pull blocks further include a plurality of first pull blocks and a plurality of second pull blocks, and the size of the first pull blocks is larger than the size of the second pull blocks.

[0023] Furthermore, the inner side of the busbar pressure block is an arc-shaped inner contour, the outer side of the support column is an arc-shaped outer contour corresponding to the busbar pressure block, and the outer contour curvature radius of the support column is less than or equal to the inner contour curvature radius of the busbar pressure block.

[0024] Beneficial effects:

[0025] The utility model provides a battery module assembly tool, including a battery cell stacking mechanism and a bus assembly mechanism; the battery cell stacking mechanism includes a stacking assembly and a driving assembly, the stacking assembly is provided with a cavity for accommodating the battery module, and the driving assembly is arranged at one end of the stacking assembly to provide extrusion force for stacking the battery modules in the cavity; the bus assembly mechanism includes a cover plate and multiple pushing assemblies, the cover plate is connected to the stacking assembly, and the pushing assembly is arranged on the cover plate and corresponds to the battery module, and is used to provide pushing force for the bus assembly of the battery module. Therefore, by integrating the battery cell stacking mechanism and the bus assembly mechanism on a battery module assembly tool to perform the battery module stacking and bus installation operations, it helps to reduce the time and steps for transferring the battery modules between different mechanisms, thereby speeding up the production speed, and since all operations are completed on one tool, the battery module assembly tool's demand for production space is effectively reduced, while reducing the possible errors that may occur when the operator switches the battery module between different mechanisms, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is an exploded view of the overall structure of the battery module assembly tooling according to one embodiment of the present invention;

[0027] Figure 2 This is a schematic diagram of the overall structure of a battery cell stacking mechanism according to an embodiment of the present invention;

[0028] Figure 3 For an embodiment of the present utility model Figure 2 A local schematic diagram of point A;

[0029] Figure 4 This is a schematic diagram of the overall structure of a busbar assembly mechanism according to an embodiment of the present invention;

[0030] Figure 5 For an embodiment of the present utility model Figure 2 A top view of

[0031] Figure 6 For an embodiment of the present utility model Figure 5 Cross-sectional view at AA;

[0032] Figure 7 This is a schematic diagram of the overall structure of a battery cell stacking mechanism according to another embodiment of the present invention;

[0033] Figure 8 This is a schematic diagram of the overall structure of a battery module according to an embodiment of the present invention;

[0034] Figure 9 For an embodiment of the present utility model Figure 8 A partial schematic diagram of point B;

[0035] Figure 10 This is a schematic diagram of the overall structure of the first pull block in one embodiment of the utility model;

[0036] Figure 11 This is a schematic diagram of the overall structure of the second pull block in one embodiment of the utility model;

[0037] Figure 12 This is a schematic diagram of the overall structure of the guide and positioning strip according to one embodiment of the present invention;

[0038] Figure 13 This is a schematic diagram of the overall structure of a pole support assembly according to an embodiment of the present utility model;

[0039] Figure 14 This is a schematic diagram of the overall structure of the bottom plate of an embodiment of the present utility model;

[0040] Figure 15 For an embodiment of the present utility model Figure 14 Partial schematic diagram of point C.

[0041] in:

[0042] 1. Battery cell stacking mechanism; 2. Busbar assembly mechanism; 3. Battery module; 4. Front-end special-shaped parts; 5. Rear-end special-shaped parts; 6. Pull-out block; 7. Battery cell;

[0043] 10. Stacking assembly; 11. Driving assembly;

[0044] 101, bottom plate; 102, stacking fixing device; 103, stacking movable device; 104, guide positioning strip; 105, first positioning pin; 106, first positioning hole;

[0045] 1020, first support plate; 1021, fixing plate; 1022, first guide rod; 1023, second special-shaped groove; 1024, first reinforcement plate;

[0046] 1030, second support plate; 1031, movable plate; 1032, second guide rod; 1033, first special-shaped groove; 1034, second reinforcement plate;

[0047] 110, driving member; 111, piston guide rod; 112, floating joint seat; 113, rod barrel; 114, first pressure regulating valve;

[0048] 115. Base; 116. Lever support assembly; 117. Main rod; 118. Power arm;

[0049] 1160, handle; 1161, connecting plate;

[0050] 20. Cover plate; 21. Push assembly;

[0051] 210, pushing member; 211, piston push rod; 212, busbar pressure block; 213, third guide rod; 214, second pressure regulating valve; 215, pole support assembly; 216, second positioning pin; 216, second positioning hole;

[0052] 2150, support seat; 2151, support block; 2152, support column;

[0053] 60. Clamping portion; 61. Insertion portion; 62. First pull-out block; 63. Multiple second pull-out blocks.

[0054] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0055] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0056] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like, indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0057] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections, direct connections, or indirect connections through an intermediate medium; they may refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0058] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0059] Reference Figures 1-4 、 Figure 8 , this embodiment provides a battery module assembly tool, including a battery cell stacking mechanism 1 and a busbar assembly mechanism 2;

[0060] The battery cell stacking mechanism 1 includes a stacking assembly 10 and a driving assembly 11. The stacking assembly 10 is provided with a cavity for accommodating the battery module 3. The driving assembly 11 is provided at one end of the stacking assembly 10 to provide an extrusion force for stacking the battery modules 3 in the cavity.

[0061] The busbar assembly mechanism 2 includes a cover plate 20 and a plurality of pushing components 21. The cover plate 20 is connected to the stacking component 10. The pushing components 21 are arranged on the cover plate 20 and correspond to the battery module 3 to provide pushing force for the busbar assembly of the battery module 3.

[0062] In the above embodiment, the battery module assembly tool includes a battery cell stacking mechanism 1 and a busbar assembly mechanism 2, wherein the battery cell stacking mechanism 1 includes a stacking assembly 10 and a driving assembly 11 connected to the stacking assembly 10. A cavity is formed on the stacking assembly 10, and the cavity is used to accommodate the battery module 3. In addition, a driving device is provided at one end of the stacking assembly 10. When the battery module 3 is stacked in the cavity, the driving assembly 11 is mainly used to provide an extrusion force for the stacking of the battery module 3. The battery module 3 is formed by stacking a plurality of battery cells 7. When the plurality of battery cells 7 are stacked to form the battery module 3, Place multiple battery cells 7 in the cavity of the stacking assembly 10 in sequence, and ensure that the battery cells 7 are positioned correctly and aligned accurately, start the driving assembly 11, which is located at one end of the stacking assembly 10 and provides extrusion force by mechanical or pneumatic means. Under the action of the driving assembly 11, the battery cells 7 are gradually pushed into the cavity to achieve the stacking of the entire battery module 3. Once the battery cells 7 are stacked to a predetermined size in the cavity, the battery cells 7 are fixed by the interaction between the stacking assembly 10 and the driving assembly 11 to ensure that they remain stable in subsequent steps; in addition, the busbar assembly mechanism 2 includes a cover plate 20 , and a plurality of pushing components 21 connected to the cover plate 20, wherein the cover plate 20 is connected to the stacking component 10, and the connection mode of the cover plate 20 and the stacking component 10 is preferably a detachable connection, the pushing component 21 is set on the cover plate 20, and the pushing component 21 is used to provide a pushing force for the bus assembly of the battery module 3, and the pushing component 21 corresponds to the battery module 3, so that the pushing component 21 is aligned with the position where the bus needs to be installed on the battery module 3. When assembling the bus, the pushing component 21 is started to provide a pushing force for the bus of the battery module 3 by mechanical or pneumatic means, and the pushing component 21 pushes the bus The bus is pushed into the designated position of the battery module 3 to complete the connection between the bus and the battery cell 7. Therefore, by integrating the battery cell 7 stacking mechanism 1 and the bus assembly mechanism 2 on a battery module assembly tool to perform the battery module 3 stacking and bus installation operations, it helps to reduce the time and steps for transferring the battery module 3 between different mechanisms, thereby speeding up the production speed. Moreover, since all operations are completed on one tool, the demand for production space of the battery module assembly tool is effectively reduced, and at the same time, it reduces the errors that may occur when the operator switches the battery module 3 between different mechanisms, thereby improving production efficiency.

[0063] Reference Figure 2 、 Figure 12 、 Figure 14-15In one embodiment, the stacking assembly 10 includes a base plate 101, and a stacking fixing device 102 and a stacking movable device 103 relatively arranged on the base plate 101. At least two relative guide positioning strips 104 are also provided on the base plate 101, and the guide positioning strips 104 are located between the stacking fixing device 102 and the stacking movable device 103.

[0064] In the above embodiment, the stacking assembly 10 includes a base plate 101, a stacking fixing device 102 and a stacking movable device 103. The base plate 101 serves as a support plate for the entire battery module assembly tooling. Since it supports the weight of the battery cell stacking mechanism 1, the busbar assembly mechanism 2 and the battery module 3, the base plate 101 is preferably rectangular, and the stacking fixing device 102 and the stacking movable device 103 are arranged on the base plate 101. The stacking fixing device 102 and the stacking movable device 103 are respectively located at both ends of the length direction of the base plate 101. In addition, at least two guide positioning bars 104 are provided between the stacking fixing device 102 and the stacking movable device 103. When there are two guide positioning bars 104, the two guide positioning bars 104 are arranged relative to each other, and the guide positioning bars 104 are preferably rectangular. The guide positioning bars 104 can be adjusted as needed. The predetermined size of the stacked battery modules 3 selects guide positioning strips 104 of different sizes and numbers, so that the two guide positioning strips 104 are relatively arranged on both sides of the length direction of the base plate 101. Therefore, a cavity for accommodating the battery module 3 is formed on the base plate 101 by the stacking fixing device 102, the stacking movable device 103 and at least two relative guide positioning strips 104. The size and shape of the cavity should match the size of the battery module 3, and when the battery module 3 is stacked, multiple battery cells 7 move along the path of the guide positioning strips 104, and the battery cells 7 are pushed into the cavity through the driving assembly 11, ensuring that the battery module 3 moves along the correct path during the stacking process to prevent offset, which helps to ensure that each battery cell 7 is accurately placed in the predetermined position, thereby improving the overall performance and consistency of the battery module 3 during the stacking process.

[0065] Furthermore, a plurality of first positioning pins 105 are provided on one side of the guide positioning bar 104 close to the base plate 101, wherein the shape of the first positioning pins 105 includes but is not limited to a cylindrical or square shape, and a plurality of first positioning holes 106 are provided on the base plate 101, wherein the shape of the first positioning holes 106 includes but is not limited to a circular or square shape, and the first positioning pins 105 are arranged corresponding to the first positioning holes 106, so that the first positioning pins 105 can be smoothly inserted into the first positioning holes 106, and then the guide positioning bar 104 is inserted into the first positioning holes 106 through the first positioning pins 105. A positioning hole 106 is connected to the base plate 101, and the connection method is preferably a detachable connection. The guide positioning bar 104 is installed on the base plate 101 when the battery modules 3 need to be stacked. When the stacking is completed or stacking is not required, the guide positioning bar 104 can be removed and separated from the base plate 101, so that the guide positioning bar 104 can be quickly removed and reinstalled as needed, which is convenient for maintenance and adjustment. The detachable connection also allows the position and number of the guide positioning bar 104 to be adjusted according to different types of battery modules 3, thereby improving the flexibility and adaptability of the tooling.

[0066] Reference Figure 2 In one embodiment, the stacking fixing device 102 includes a first support plate 1020 and a fixing plate 1021, the first support plate 1020 is connected to the base plate 101, the fixing plate 1021 is arranged at one end of the first support plate 1020 close to the stacking movable device 103, and the fixing plate 1021 is connected to the first support plate 1020 through a plurality of first guide rods 1022.

[0067] In the above embodiment, the stacking fixing device 102 includes a first support plate 1020 and a fixing plate 1021 connected to the first support plate 1020, wherein the first support plate 1020 is fixedly connected to the base plate 101 by bolts, and the fixing plate 1021 is arranged at one end of the first support plate 1020 close to the stacking movable device 103, and a plurality of first guide rods 1022 are arranged between the first support plate 1020 and the fixing plate 1021, so that the fixing plate 1021 is connected to the first support plate 1020 through the first guide rods 1022, and the plurality of first guide rods 1022 are preferably an even number. When there are four first guide rods 1022, the four first guide rods 1022 are 22 are respectively connected to the four corners of the first support plate 1020 and the fixed plate 1021. In addition, a first reinforcing plate 1024 is provided on the side of the first support plate 1020 close to the fixed plate 1021. A specified interval of a certain distance is formed between the fixed plate 1021 and the bottom plate 101. The fixed plate 1021 can adjust the distance between it and the first support plate 1020 according to the first guide rod 1022, so that the entire stacking fixture 102 can adapt to battery modules 3 of different sizes, and when the battery modules 3 need to be stacked, the entire stacking fixture 102 remains in a fixed state, which helps to maintain the precise position of the battery modules 3 during stacking and the stability of the overall structure.

[0068] Reference Figure 2 、 Figure 5-Figure 6 、 Figure 8-Figure 9 In one embodiment, the stacking movable device 103 includes a second support plate 1030 and a movable plate 1031, the second support plate 1030 is fixedly connected to the base plate 101, the movable plate 1031 is arranged at one end of the second support plate 1030 close to the stacking fixed device 102, and the movable plate 1031 is connected to the second support plate 1030 through a plurality of second guide rods 1032.

[0069] In the above embodiment, the stacking movable device 103 includes a second support plate 1030 and a movable plate 1031 connected to the second support plate 1030, wherein the second support plate 1030 is fixedly connected to the base plate 101 by bolts, and the movable plate 1031 is arranged at one end of the second support plate 1030 close to the stacking fixing device 102, and a plurality of second guide rods 1032 are arranged between the second support plate 1030 and the movable plate 1031, so that the movable plate 1031 is connected to the second support plate 1030 through the plurality of second guide rods 1032, and one end of the second guide rod 1032 is fixedly connected to the movable plate 1031, and the other end passes through the second support plate 1030, and the connection between the second guide rod 1032 and the second support plate 1030 is a movable connection, and the plurality of second guide rods 1032 are preferably an even number. When there are four guide rods 1032, the four second guide rods 1032 are respectively connected to the four corners of the second support plate 1030 and the movable plate 1031. At the same time, the first guide rod 1022 and the second guide rod 1032 are in a symmetrical arrangement. In addition, a second reinforcing plate 1034 is provided on the side of the second support plate 1030 close to the movable plate 1031. A specified spacing of a certain distance is formed between the movable plate 1031 and the bottom plate 101. The movable plate 1031 can change its position with the extension and contraction of the second guide rod 1032. When the battery module 3 needs to be stacked, the battery module 3 is squeezed by the movement of the movable plate 1031 so that it can be stacked along the path of the guide positioning bar 104, which effectively reduces the dependence on manual operation and reduces the possibility of human error. At the same time, it reduces the time for manual adjustment and positioning, and improves production efficiency.

[0070] Furthermore, a plurality of first special-shaped grooves 1033 are provided on the movable plate 1031, and the first special-shaped grooves 1033 extend along the entire length direction of the movable plate 1031, and a plurality of protruding front-end special-shaped parts 4 are provided at the front end where the battery module 3 contacts the movable plate 1031, that is, the front-end special-shaped part 4 is an irregular convex block formed on the front end of the battery module 3, wherein the first special-shaped groove 1033 and the front-end special-shaped part 4 are arranged correspondingly, and when the movable plate 1031 contacts the front end of the battery module 3, the front-end special-shaped part 4 is inserted into the first special-shaped groove 1033; a plurality of second special-shaped grooves 1023 are provided on the fixed plate 1021, and a plurality of second special-shaped grooves 1023 are provided on the front end where the battery module 3 contacts the movable plate 1031. The rear end that contacts the fixed plate 1021 is provided with a plurality of raised rear end special-shaped parts 5, that is, the rear end special-shaped part 5 is an irregular protrusion formed on the rear end of the battery module 3, wherein the second special-shaped part and the rear end special-shaped part 5 are arranged relative to each other. When the battery module 3 is against the fixed plate 1021, the rear end special-shaped part 5 is inserted into the second special-shaped groove 1023. Through the cooperation between the front end special-shaped part 4 and the first special-shaped groove 1033, as well as the cooperation between the rear end special-shaped part 5 and the second special-shaped groove 1023, it is ensured that the battery module 3 is subjected to more uniform force when stacked, which helps to reduce the displacement and deformation of the battery module 3 when stacked, and enhances the stability of the battery module 3 in the stacked state.

[0071] Reference Figure 2 、 Figure 5-Figure 6 In one embodiment, the driving assembly 11 includes a driving member 110, a piston guide rod 111 and a floating joint seat 112. The driving member 110 is connected to the second support plate 1030 through a rod barrel 113. The floating joint seat 112 is connected to one end of the movable plate 1031 close to the second support plate 1030. The piston guide rod 111 is arranged on the driving member 110 and passes through the second support plate 1030 and the rod barrel 113, and is connected to the floating joint seat 112.

[0072] In the above embodiment, the driving assembly 11 includes a driving member 110, a piston guide rod 111 and a floating joint seat 112, wherein a rod barrel 113 is provided on the side of the second support plate 1030 away from the movable plate 1031, and the driving member 110 is provided on the side of the rod barrel 113 away from the second support plate 1030, so that the driving member 110 is fixedly connected to the second support plate 1030 through the rod barrel 113, and a certain gap is formed between the rod barrel 113 and the driving member 110 and the base plate 101 respectively. The driving member 110 is preferably a cylinder, through which The gap ensures that the rod barrel 113 and the driving member 110 do not directly contact the bottom plate 101 when the cylinder is running, so that the gap can act as a shock absorber to absorb the impact and vibration generated when the cylinder is running, reducing the impact on the entire driving assembly 11; the floating joint seat 112 is fixedly connected to the end of the movable plate 1031 close to the second support plate 1030 by bolts, and the floating joint seat 112 is preferably located in the middle position of the movable plate 1031. In addition, one end of the piston guide rod 111 is connected to the driving member 110, and the other end of the piston rod passes through the second support plate The plate 1030 and the rod barrel 113 are connected to the floating joint seat 112 on the movable plate 1031, so that the piston guide rod 111 is located on the symmetrical axis of the multiple second guide rods 1032, which helps to balance the thrust generated by the cylinder, reduce structural deformation or damage caused by uneven load, and reduce the bending stress of the movable plate 1031 when subjected to force, thereby improving the stability and durability of the entire stacking movable device 103. The drive assembly 11 also includes a first pressure regulating valve 114, which is arranged on the bottom plate 101, and the first pressure regulating valve 114 is arranged on the bottom plate 101, and the first pressure regulating valve 114 is arranged on the bottom plate 101. The throttle valve is electrically connected to the driving member 110, so that the first regulating valve is used to adjust the extension length of the piston guide rod 111, and the first pressure regulating valve 114 and the driving member 110 are used in combination to replace the double rocker mechanism to drive the operation of the movable plate 1031, so that the extrusion force of the battery cell stacking mechanism 1 on the battery module 3 can be quantitatively adjusted, and the extrusion force is controlled within a set range, thereby avoiding excessive or insufficient extrusion force of the battery cell stacking mechanism 1 on the battery module 3, ensuring close fit between multiple battery cells 7, and improving the stacking quality of the battery module 3.

[0073] Reference Figure 2 、 Figure 7 In another embodiment, the driving assembly 11 includes a base 115, a lever support assembly 116 and a main rod 117, the base 115 is connected to the bottom plate 101 on the side of the second support plate 1030 away from the movable plate 1031, the lever support assembly 116 is connected to the base 115, the main rod 117 is connected to one end of the movable plate 1031 close to the second support plate 1030 and passes through the second support plate 1030, and the lever support assembly 116 is connected to the main rod 117 through a power arm 118.

[0074] In the above embodiment, the driving assembly 11 includes a base 115, a lever support assembly 116 and a main rod 117, wherein the base 115 is fixedly connected to the base plate 101 by bolts, and the base 115 is located on the side of the second support plate 1030 away from the movable plate 1031, the lever support assembly 116 is connected to the end of the base 115 away from the base plate 101, and the connection method is preferably riveted by rivets, so that the lever support assembly 116 can rotate on the base 115 through the rivets, the main rod 117 passes through the second support plate 1030, so that one end of the main rod 117 is connected to the end of the movable plate 1031 close to the second support plate 1030, and the other end of the main rod 117 is connected to the lever support through the power arm 118. The components 116 are connected, and the power arm 118 is preferably in an inverted V shape, so that the power arm 118 is respectively connected to the main rod 117 and the lever support component 116 by riveting. The inverted V-shaped power arm 118 design helps to more effectively transmit the force of the lever support component 116 to the main rod 117. Compared with the cylinder driving the movable plate 1031 to stack the battery modules 3, the driving component 11 based on the lever principle drives the movable plate 1031 to stack the battery modules 3, which effectively reduces the use of components of the driving component 11, reduces the complexity of the driving component 11 during use and simplifies maintenance, and at the same time reduces the design cost expenditure brought by the cylinder as a driving component, effectively reducing the production cost.

[0075] Furthermore, the lever support assembly 116 includes a handle 1160 and a connecting plate 1161. The handle 1160 is connected to the connecting plate 1161. The shape of the connecting plate 1161 is preferably a polygonal shape. A plurality of through holes are provided at different positions of the connecting plate 1161. The shape of the polygonal connecting plate 1161 and the through hole design enable the lever support assembly 116 to adapt to the power transmission requirements in different directions and angles. The base 115, the power arm 118 and the handle 1160 are connected to the connecting plate 1161 through the through holes on the connecting plate 1161. 61, and the base 115, the power arm 118 and the handle 1160 can be adjustably connected to any through hole on the connecting plate 1161 according to usage requirements, wherein the base 115 and the power arm 118 are riveted to the connecting plate 1161 respectively, and the handle 1160 is fixedly connected to the connecting plate 1161 by bolts passing through the through holes. The multiple through holes on the connecting plate 1161 allow the base 115, the power arm 118 and the handle 1160 to be adjusted in different positions, providing a high degree of flexibility to adapt to different usage requirements.

[0076] Reference Figure 4In one embodiment, the pushing assembly 21 includes a pushing piece 210, a piston push rod 211 and a busbar pressure block 212, the pushing piece 210 is connected to the cover plate 20, the busbar pressure block 212 is connected to the cover plate 20 through a third guide rod 213, and the piston push rod 211 is arranged on the pushing piece 210 and passes through the cover plate 20 to be connected to the busbar pressure block 212.

[0077] In the above embodiment, the pushing assembly 21 includes a pushing member 210, a piston push rod 211 and a busbar pressure block 212, wherein the pushing member 210 is fixedly connected to the cover plate 20 by bolts. The pushing member 210 is preferably a cylinder, and the number of the pushing members 210 is preferably an even number. When there are 8 pushing members 210, the 8 pushing members 210 are divided into 2 symmetrical groups, so that the pushing members 210 of each group are arranged at intervals on the side of the length direction of the rectangular cover plate 20, and each pushing member 210 corresponds to a piston push rod 211 and a busbar pressure block 212. In addition, the busbar pressure block 212 is connected to the cover plate 20 through a third guide rod 213, wherein the third guide rod 213 is multiple, wherein one end of the third guide rod 213 is fixedly connected to the busbar pressure block 212, and the other end of the third guide rod 213 passes through the cover plate 20, and the third guide rod 213 and the cover plate 20 are in a movable connection state, one end of the piston push rod 211 is connected to the push piece 210, and the piston push rod 211 passes through the cover plate 20, so that the other end of the piston push rod 211 is connected to the busbar pressure block 212, and the piston push rod 211 is located at the busbar pressure block 212. The middle position of the busbar pressure block 212 and the symmetrical arrangement of the push piece 210 help to evenly distribute the pressure in the length direction of the cover plate 20, ensuring that the busbar pressure block 212 applies consistent pressure to the battery module 3 when assembling the busbar, reducing the possibility of deflection or unevenness during the busbar assembly process. The pushing assembly 21 also includes a plurality of second pressure regulating valves 214, which are arranged on the cover plate 20 and are electrically connected to the push piece 210, so that the second pressure regulating valve 214 is electrically connected to the push piece 210. 14 is used to adjust the extension length of the piston push rod 211, and the second pressure regulating valve 214 and the pushing member 210 are used in combination to replace the double rocker mechanism to drive the operation of the bus pressure block 212, so that the pushing force of the entire bus assembly mechanism 2 on the bus installation of the battery module 3 can be quantitatively adjusted, and the pushing force is controlled within the set range, avoiding the bus assembly mechanism 2 from pushing the bus to the battery module 3 too much or too little, ensuring the close fit between the bus and the battery module 3, and improving the installation quality of the bus on the battery module 3.

[0078] Reference Figure 2-Figure 4 、 Figure 13-15In one embodiment, the pushing assembly 21 further includes a pole support assembly 215 , the pole support assembly 215 corresponds to the busbar pressing block 212 , and the pole support assembly 215 is detachably disposed on the base plate 101 .

[0079] In the above embodiment, the pushing assembly 21 also includes a plurality of pole support assemblies 215. When the battery modules 3 are stacked and the bus is installed, the guide positioning strip 104 on the base plate 101 is removed and separated from the base plate 101, and then the pole support assembly 215 is set on the base plate 101 in a detachable manner, and the position of the pole support assembly 215 on the base plate 101 partially coincides with the position of the guide positioning strip 104 on the base plate 101, ensuring that the pole support assembly 215 corresponds to the bus pressure block 212 of the pushing assembly 21 after being installed on the base plate 101, ensuring that the bus can be accurately aligned with the installation position of the battery module 3, thereby improving the assembly accuracy; in addition, a plurality of second positioning pins 216 are provided on the pole support assembly 215, wherein the shape of the second positioning pin 216 includes but is not limited to cylindrical or square, and a plurality of second positioning holes 216 are provided on the base plate 101, and the shape of the second positioning holes 216 includes But it is not limited to a circle or a square, and the second positioning pin 216 is arranged corresponding to the second positioning hole 216, so that the second positioning pin 216 can be smoothly inserted into the second positioning hole 216, so that the pole support assembly 215 is inserted into the second positioning hole 216 through the second positioning pin 216 and connected to the base plate 101. Since the pole support assembly 215 is detachably connected to the base plate 101, the pole support assembly 215 is installed on the base plate 101 when the bus needs to be assembled to the battery module 3. When the bus assembly is completed or the bus does not need to be assembled, the pole support assembly 215 can be removed and separated from the base plate 101, so that the pole support assembly 215 can be quickly disassembled and reinstalled as needed, which is convenient for maintenance and adjustment, and the detachable connection also allows the position and quantity of the pole support assembly 215 to be adjusted according to different types of battery modules 3, thereby improving the flexibility and adaptability of the entire bus assembly mechanism 2.

[0080] Reference Figure 2-Figure 4 In one embodiment, the pole support assembly 215 includes a support seat 2150, a support block 2151 and a plurality of support columns 2152, the support seat 2150 is arranged on the base plate 101, the support block 2151 is arranged at one end of the support seat 2150 away from the base plate 101, and the plurality of support columns 2152 are arranged at intervals at one end of the support block 2151 away from the support seat 2150.

[0081] In the above embodiment, the pole support assembly 215 includes a support base 2150, a support block 2151 and a plurality of support columns 2152, wherein the support base 2150 contacts the base plate 101 as a support structure of the entire pole support assembly 215, the support block 2151 is arranged at one end of the support base 2150 away from the base plate 101, the support column 2152 is arranged at one end of the support block 2151 away from the support base 2150, and the plurality of support columns 2152 are arranged on the support block 2151 at intervals, and the support base 2150, the support block 2151 and the support columns 2152 are an integrated part, which effectively improves the stability and rigidity of the entire pole support assembly 215, reduces bending or twisting during the assembly of the busbar, and does not require complicated assembly when installing the pole support assembly 215, saving assembly time and labor; in addition, the support The column 2152 is preferably a rectangular parallelepiped, and the outer side of the support column 2152 is an arc-shaped outer profile. The end of the busbar pressure block 212 away from the piston push rod 211 is concave to form a groove corresponding to the support column 2152, so that the inner side of the busbar pressure block 212 is an arc-shaped inner profile. The outer arc-shaped outer profile of the support column 2152 corresponds to the inner arc-shaped outer profile of the busbar pressure block 212, and the outer profile curvature radius of the support column 2152 is less than or equal to the inner profile curvature radius of the busbar pressure block 212, which helps to reduce the error when installing the bus and ensure that the bus of the battery module 3 is correctly engaged with the busbar pressure block 212. The arc design of the outer side of the support column 2152 and the inner side of the busbar pressure block 212 can more evenly distribute the contact pressure between the support column 2152 and the busbar pressure block 212, reduce local stress concentration, and effectively improve the accuracy of busbar assembly.

[0082] Reference Figure 4 、 Figure 10-11 In one embodiment, the battery module assembly tool further includes a pull block 6 provided on the busbar pressure block 212, the pull block 6 including a clamping portion 60 and a plug-in portion 61, the clamping portion 60 is clamped on the busbar pressure block 212, and the plug-in portion 61 is provided at one end of the clamping portion 60 close to the battery module 3 for disassembling the busbar.

[0083] In the above embodiment, the battery module assembly tool further includes a pull block 6, wherein the pull block 6 is detachably arranged on the busbar pressure block 212, and the pull block 6 includes a clamping portion 60 and a plug-in portion 61 integrally connected to the clamping portion 60. The shape of the clamping portion 60 is preferably U-shaped, and the inner wall of the clamping portion 60 is adapted to the outer profile of the busbar pressure block 212, so that the U-shaped clamping portion 60 can be smoothly clamped on the busbar pressure block 212. In addition, the plug-in portion 61 is arranged on the clamping portion 60 close to the outer wall of the busbar pressure block 212. The plug-in portion 61 is located near one end of the battery module 3, and corresponds to the disassembly hole of the busbar to be assembled on the battery module 3, so that the plug-in portion 61 is mainly used to insert the disassembly hole to disassemble the busbar. When disassembling the busbar, the clamping portion 60 is clamped on the busbar pressing block 212, and the plug-in portion 61 is inserted into the disassembly hole of the busbar. The busbar pressing block 212 is driven upward by the pushing member 210, and then the busbar is driven to be separated from the battery module 3 through the plug-in portion 61, completing the removal of the busbar. The U-shaped clamping portion 60 is designed to facilitate installation and removal of the pull block 6, thereby improving the ease of operation. The pull block 6 further comprises a plurality of first pull blocks 62 and a plurality of second pull blocks 63, wherein the sizes of the first pull blocks 62 and the second pull blocks 6 are different, preferably the size of the first pull blocks 62 is larger than the size of the second pull blocks 6, so that different sizes of pull blocks 6 can be adapted to busbars of different sizes. The design of the pull block 6 is not limited to the above two designs and can be adjusted at any time according to actual needs. Pull blocks 6 of different sizes can be adapted to busbars of different sizes, thereby increasing the versatility and flexibility of the battery module assembly tooling, allowing the same production line to process battery modules 3 of different sizes, thereby improving the adaptability of the production line.

[0084] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A battery module assembly tool, characterized in that: Including battery cell stacking mechanism and busbar assembly mechanism; The battery cell stacking mechanism includes a stacking assembly and a driving assembly. The stacking assembly is provided with a cavity for accommodating the battery module. The driving assembly is provided at one end of the stacking assembly for providing an extrusion force for stacking the battery modules in the cavity. The busbar assembly mechanism includes a cover plate and a plurality of pushing components. The cover plate is connected to the stacking component. The pushing components are arranged on the cover plate and correspond to the battery module to provide pushing force for the busbar assembly of the battery module.

2. The battery module assembly tool according to claim 1, characterized in that: The stacking assembly includes a base plate, and a stacking fixing device and a stacking movable device arranged relatively on the base plate. At least two relative guide positioning strips are also arranged on the base plate, and the guide positioning strips are located between the stacking fixing device and the stacking movable device.

3. The battery module assembly tool according to claim 2, characterized in that: The guide positioning strip is provided with a plurality of first positioning pins, and the base plate is provided with a plurality of first positioning holes corresponding to the first positioning pins. The guide positioning strip is connected to the base plate by inserting the first positioning pins into the first positioning holes.

4. The battery module assembly tool according to claim 2, characterized in that: The stacking fixing device includes a first support plate and a fixing plate, the first support plate is connected to the base plate, the fixing plate is arranged on one end of the first support plate close to the stacking movable device, and the fixing plate is connected to the first support plate through a plurality of first guide rods.

5. The battery module assembly tool according to claim 4, characterized in that: The stacking movable device includes a second support plate and a movable plate, the second support plate is fixedly connected to the base plate, the movable plate is arranged on one end of the second support plate close to the stacking fixed device, and the movable plate is connected to the second support plate through a plurality of second guide rods.

6. The battery module assembly tool according to claim 5, characterized in that: The movable plate is provided with a plurality of first special-shaped grooves, and the fixed plate is provided with a plurality of second special-shaped grooves, and the first special-shaped grooves and the second special-shaped grooves respectively correspond to the front special-shaped parts and the rear special-shaped parts of the battery module.

7. The battery module assembly tool according to claim 5, characterized in that: The driving assembly includes a driving member, a piston guide rod and a floating joint seat. The driving member is connected to the second support plate through a rod barrel. The floating joint seat is connected to one end of the movable plate close to the second support plate. The piston guide rod is arranged on the driving member and passes through the second support plate and the rod barrel, and is connected to the floating joint seat.

8. The battery module assembly tool according to claim 7, characterized in that: The driving assembly further includes a first pressure regulating valve, which is disposed on the base plate and connected to the driving member and is used to adjust the extension length of the piston guide rod.

9. The battery module assembly tool according to claim 5, characterized in that: The driving assembly includes a base, a lever support assembly and a main rod. The base is connected to the bottom plate of the second support plate away from the movable plate. The lever support assembly is connected to the base. The main rod is connected to one end of the movable plate close to the second support plate and passes through the second support plate. The lever support assembly is connected to the main rod through a power arm.

10. The battery module assembly tool according to claim 9, characterized in that: The lever support assembly includes a handle and a connecting plate connected to the base, wherein the connecting plate is provided with a plurality of through holes, and the handle and the power arm are adjustably connected to the connecting plate through the through holes.

11. The battery module assembly tool according to claim 2, characterized in that: The pushing assembly includes a pushing piece, a piston push rod and a busbar pressure block. The pushing piece is connected to the cover plate. The busbar pressure block is connected to the cover plate through a third guide rod. The piston push rod is arranged on the pushing piece and passes through the cover plate to be connected to the busbar pressure block.

12. The battery module assembly tool according to claim 11, characterized in that: The pushing assembly further includes a second pressure regulating valve, which is disposed on the cover plate and connected to the pushing member, and is used to adjust the extension length of the piston push rod.

13. The battery module assembly tool according to claim 11, characterized in that: The pushing assembly further includes a pole supporting assembly, which corresponds to the busbar pressing block and is detachably disposed on the bottom plate.

14. The battery module assembly tool according to claim 13, characterized in that: The pole support assembly is provided with a plurality of second positioning pins, and the base plate is provided with a plurality of second positioning holes corresponding to the second positioning pins. The pole support assembly is connected to the base plate by inserting the second positioning pins into the second positioning holes.

15. The battery module assembly tool according to claim 13, characterized in that: The pole support assembly includes a support seat, a support block and multiple support columns. The support seat is arranged on the base plate, the support block is arranged on one end of the support seat away from the base plate, and the multiple support columns are arranged at intervals on one end of the support block away from the support seat.

16. The battery module assembly tool according to claim 11, characterized in that: The battery module assembly tool also includes a pull block arranged on the busbar pressure block, and the pull block includes a clamping portion and a plug-in portion. The clamping portion is clamped on the busbar pressure block, and the plug-in portion is arranged at one end of the clamping portion close to the battery module for disassembling the busbar.

17. The battery module assembly tool according to claim 16, characterized in that: The blocks further include a plurality of first blocks and a plurality of second blocks, and the size of the first blocks is greater than that of the second blocks.

18. The battery module assembly tool according to claim 15, characterized in that: The inner side of the busbar pressing block is an arc-shaped inner contour, the outer side of the support column is an arc-shaped outer contour corresponding to the busbar pressing block, and the outer contour curvature radius of the support column is less than or equal to the inner contour curvature radius of the busbar pressing block.

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