A battery module riveting system

Abstract

The present invention relates to a battery module riveting system, comprising an assembly platform and a riveting robot assembly. The assembly platform is used to position the battery cells, end plates and side plates of the battery module; the riveting robot assembly comprises a robot and a riveting mechanism. After the battery cells, end plates and side plates are positioned on the assembly platform, the robot carries the riveting mechanism to the riveting position, and the riveting mechanism rivets the end plates and side plates together. The system connects the end plates and side plates by riveting, thereby improving the structural strength and mechanical properties of the battery module.

Description

Technical Field

[0001] The invention relates to a battery module riveting system. Background Art

[0002] During the manufacturing process of new energy battery modules, it is necessary to ensure the overall mechanical properties of the battery module to meet vehicle conditions. The connection method between the battery module side panels and end panels determines the structural strength of the battery module. Most battery modules are connected using laser welding, which uses a laser to heat the side panels and end panels until they melt, thus connecting them together.

[0003] In the prior art, the side plates and end plates of the battery module are welded together by laser welding. Due to the effect of high temperature, high-temperature cracks will appear at the welding position between the side plates and the end plates. The high-temperature cracks will affect the welding strength between the side plates and the end plates, thereby reducing the structural strength of the battery module. Summary of the Invention

[0004] In view of the above problems, the purpose of the present invention is to provide a battery module riveting system, which connects the side plates and end plates of the battery module by rivets, so that the side plates and end plates of the battery module are tightly connected, thereby improving the structural strength of the battery module.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A battery module riveting system, comprising:

[0007] Assembly platform for positioning the cells, end plates, and side panels of the battery module;

[0008] The riveting robot assembly includes a robot and a riveting mechanism. After the battery core, end plate and side plate are positioned on the assembly platform, the robot carries the riveting mechanism to the riveting position, and the riveting mechanism rivets the end plate and the side plate together.

[0009] Preferably, the assembly platform includes a guide rail, an end plate positioning platform, an end plate clamping assembly, a side plate clamping assembly, a battery cell positioning assembly and a top clamping assembly. The end plate positioning platform, the end plate clamping assembly and the side plate clamping assembly constitute a docking platform installed on the guide rail through a flat plate. The end plate positioning platform is used to place the end plate and the side plate; the battery cell positioning assembly and the top clamping assembly are installed above the guide rail through a frame, and the docking platform can move along the guide rail to the bottom of the battery cell positioning assembly and the top clamping assembly, and cooperate with each other to complete the positioning of the battery cell, the end plate and the side plate.

[0010] Preferably, the end plate clamping assembly includes a first end plate long side positioning drive, a second end plate long side positioning drive, an end plate thick side limiting drive, an end plate thick side positioning drive, an end plate bottom clamping drive, an end plate clamping displacement drive, an end plate clamping drive and an end plate long side positioning mechanism, the end plate thick side limiting drive and the end plate thick side positioning drive are used for unilateral positioning in the direction of the end plate thick side; the first end plate long side positioning drive and the second end plate long side positioning drive are located at both ends of the end plate, and are used together with the end plate long side positioning mechanism for unilateral positioning of the long side of the end plate; the end plate bottom clamping drive is used for clamping the end plate bottom; the end plate clamping displacement drive and the end plate clamping drive are used for clamping the end plate in the vertical direction and the upper end of the end plate, respectively.

[0011] Preferably, the side panel clamping assembly includes a first side panel long side positioning drive, a second side panel long side positioning drive, a side panel thick side limiting drive, a side panel thick side positioning drive, a first side panel long side positioning mechanism, a second side panel long side positioning mechanism, an adjustment mechanism, a first side panel pressing mechanism and a second side panel pressing mechanism, the side panel thick side limiting drive and the side panel thick side positioning drive are used for unilateral positioning in the width direction of the side panel; the first side panel long side positioning drive and the second side panel long side positioning drive are respectively located at both ends of the side panel, and cooperate with the first side panel long side positioning mechanism and the second side panel long side positioning mechanism for unilateral positioning in the length direction of the side panel; the first side panel pressing mechanism and the second side panel pressing mechanism are used to vacuum fix the side panel.

[0012] Preferably, the battery cell positioning assembly includes a first battery cell positioning drive, a second battery cell positioning drive, a battery cell positioning lifting drive, a first battery cell positioning mechanism, a second battery cell positioning mechanism, a side panel positioning bottom clamping drive, the side panel clamping drive and a battery cell positioning platform, the battery cell positioning platform is used to place the battery cell; the side panel positioning bottom clamping drive and the side panel clamping drive are used to clamp the side panel, and the battery cell positioning lifting drive is used to position the battery cell in the vertical direction; the first battery cell positioning drive pushes the first battery cell positioning mechanism, and the second battery cell positioning drive pushes the second battery cell positioning mechanism, for unilateral positioning of the battery cell.

[0013] Preferably, the top clamping assembly includes a pole leveling mechanism, a side plate leveling drive, a side plate leveling mechanism, a top flattening drive and a top clamping support platform. After the battery cell, the end plate and the side plate are positioned, the side plate leveling drive pushes the side plate leveling mechanism to flatten the side plate; the top clamping drive drives the pole leveling mechanism to flatten the battery module by pushing the top clamping support platform.

[0014] Preferably, the robot comprises a first riveting robot motor and a second riveting robot motor, and the first riveting robot motor and the second riveting robot motor are arranged at the motion joint positions of the robot for driving the robot.

[0015] Preferably, it also includes a partition positioning assembly for partition positioning, the partition positioning assembly includes a partition positioning platform, a partition positioning lifting drive, a first partition positioning drive, a second partition positioning drive, a partition top drive, a partition centering positioning drive, a partition centering positioning lifting drive, a vacuum suction plate, a first partition positioning mechanism, a second partition positioning mechanism, a partition top mechanism and a partition centering positioning mechanism, the partition positioning platform is used to place the partition, the vacuum suction plate is used to hold the partition steady, the partition centering positioning lifting drive is used to adjust the partition, and the partition centering positioning drive is used to center the partition; the partition positioning lifting drive and the partition top drive are used to position the partition in the vertical direction; the first partition positioning drive and the second partition positioning drive are located at both ends of the partition, and are respectively used to push the first partition positioning mechanism and the second partition positioning mechanism to perform unilateral positioning of the partition.

[0016] Preferably, the riveting mechanism comprises a riveting gun, and the riveting gun is installed at the end of the robot.

[0017] Preferably, the riveting mechanism further includes a monitoring component, which includes a pressure sensor and a displacement sensor. The pressure sensor and displacement sensor are integrated on the riveting gun to monitor the pressure and displacement data of the end plate and the side plate during the riveting process.

[0018] The present invention has the following advantages due to the adoption of the above technical solution:

[0019] 1. The battery module riveting system provided by the present invention connects the end plate and the side plate by riveting, thereby improving the structural strength and mechanical properties of the battery module.

[0020] 2. The battery module riveting system provided by the present invention monitors the pressure and displacement data of the end plate and the side plate during the riveting process through a monitoring component, forming a riveting quality monitoring system, thereby improving the riveting process and enhancing product quality.

[0021] 3. The battery module riveting system provided by the present invention does not generate harmful substances such as dust, reduces harm to the environment and operators, and eliminates the impact of metal dust on battery performance; the riveting process does not generate welding slag, and there is no accumulation of welding slag, which avoids the possibility of machine loss of control due to the conductive properties of welding slag itself, thereby improving safety.

[0022] 4. The battery module riveting system provided by the present invention has low manufacturing cost and is easy to operate and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present invention. Throughout the drawings, the same reference numerals are used to denote the same components. In the drawings:

[0024] Figure 1 This is a schematic diagram of the layout of a battery module riveting system according to an embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of the assembly platform structure of this example;

[0026] Figure 3 is a schematic structural diagram of the end plate clamping assembly of this example;

[0027] Figure 4 is a first partial enlarged schematic diagram of the end plate clamping assembly of this example;

[0028] Figure 5 is a second partial enlarged schematic diagram of the end plate clamping assembly of this example;

[0029] Figure 6 is a schematic diagram of the side panel clamping assembly structure of this example;

[0030] Figure 7 is a first partial enlarged schematic diagram of the side plate pressing assembly of this example;

[0031] Figure 8 is a second partial enlarged schematic diagram of the side plate pressing assembly of this example;

[0032] Figure 9 is a third partial enlarged schematic diagram of the side plate clamping assembly of this example;

[0033] Figure 10 is a schematic structural diagram of the partition positioning assembly of this example;

[0034] Figure 11 is a first partial enlarged schematic diagram of the partition positioning assembly of this example;

[0035] Figure 12 This is a schematic diagram of the cell positioning component structure of this example;

[0036] Figure 13 is a first partial enlarged schematic diagram of the battery cell positioning assembly of this example;

[0037] Figure 14is a second partial enlarged schematic diagram of the battery cell positioning assembly of this example;

[0038] Figure 15 Schematic diagram of the top clamping assembly structure of this example;

[0039] Figure 16 This is a schematic diagram of the riveting robot structure in this example.

[0040] The symbols in the accompanying drawings represent the following:

[0041] 1000 is the docking platform, 100 is the end plate clamping assembly, 200 is the side plate clamping assembly, 300 is the partition positioning assembly, 400 is the battery cell positioning assembly, 500 is the top clamping assembly, 600 is the flat plate, 1 is the first end plate long side positioning drive, 2 is the end plate thick side limit drive, 3 is the second end plate long side positioning drive, 4 is the end plate thick side positioning drive, 5 is the end plate bottom clamping drive, 6 is the end plate clamping displacement drive, 7 is the end plate clamping drive, 8 is the end plate Long side positioning mechanism, 9 is the end plate positioning platform, 10 is the end plate pressing mechanism, 11 is the motor, 12 is the grating ruler, 13 is the first side plate long side positioning drive, 14 is the side plate thick side limit drive, 15 is the side plate thick side positioning drive, 16 is the second side plate long side positioning drive, 17 is the first side plate long side positioning mechanism, 18 is the adjustment mechanism, 19 is the first side plate pressing mechanism, 20 is the second side plate pressing mechanism, 21 is the second side plate long side positioning mechanism, 22 is the partition positioning lifting drive Components, 23 is the first partition positioning drive component, 24 is the partition top drive component, 25 is the partition center positioning drive component, 26 is the partition center positioning lifting drive component, 27 is the vacuum suction plate, 28 is the second partition positioning drive component, 29 is the first partition positioning mechanism, 30 is the partition top mechanism, 31 is the partition center positioning mechanism, 32 is the second partition positioning mechanism, 33 is the first battery cell positioning drive component, 34 is the battery cell positioning lifting drive component, 35 is the side plate positioning bottom pressing drive component, 36 37 is the second battery cell positioning drive component, 38 is the battery cell positioning platform, 39 is the second battery cell positioning mechanism, 40 is the side panel clamping drive component, 41 is the pole leveling mechanism, 42 is the side panel leveling drive component, 43 is the side panel leveling mechanism, 44 is the top flattening drive component, 45 is the top clamping support platform, 46 is the first riveting robot motor, 47 is the second riveting robot motor, 48 is the riveting gun, 49 is the riveting gun motor, 50 is the guide rail, and 51 is the robot. DETAILED DESCRIPTION

[0042] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. Rather, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0043] The battery module riveting system provided by the present invention connects the end plate to the side plate and the partition plate respectively by riveting, thereby improving the structural strength and mechanical properties of the battery module.

[0044] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0045] Example 1

[0046] Reference Figure 1 and Figure 2 The battery module riveting system provided in this embodiment includes an assembly platform and a riveting robot assembly. The assembly platform is used to position the battery cells, end plates, side plates and partitions of the battery module; the riveting robot assembly includes a robot 51 and a riveting mechanism. After the assembly platform completes the positioning of the battery cells, end plates and side plates, the robot 51 carries the riveting mechanism to the riveting position, and the riveting mechanism rivets the end plate and the side plate together; wherein, the robot 51 is a six-axis robot, and the riveting robot assembly can be installed on the riveting robot guide rail. The movement of the robot assembly can meet the larger movement range of the riveting robot assembly. Multiple sets of assembly platforms can be set within the working range of the riveting robot assembly. The riveting robot assembly can realize the riveting work of the side plates and end plates on multiple sets of assembly platforms; the riveting robot guide rail can also be installed with multiple sets of riveting robot assemblies to improve the riveting efficiency.

[0047] In this embodiment, the assembly platform includes a guide rail 50, an end plate positioning platform 9, an end plate clamping assembly 100, a side plate clamping assembly 200, a partition positioning assembly 300, a battery cell positioning assembly 400 and a top clamping assembly 500. The end plate positioning platform 9, the end plate clamping assembly 100, the side plate clamping assembly 200 and the partition positioning assembly 300 are installed on the guide rail through a flat plate 600. The end plate positioning platform 9, the end plate clamping assembly 100, the side plate clamping assembly 200 and the partition positioning assembly 300 constitute a docking platform 1000, which is used to connect and position the end plate and the side plate. The end plate positioning platform 9 is used to place the end plate and the side plate. The battery cell positioning assembly 400 and the top clamping assembly 500 are installed above the frame guide rail, and the docking platform 1000 can move along the guide rail 50 to the bottom of the battery cell positioning assembly 400 and the top clamping assembly 500. The docking platform cooperates with the battery cell positioning assembly 400 and the top clamping assembly 500 to complete the positioning of the battery cells, end plates and side plates.

[0048] Reference Figures 3 to 5 In this embodiment, the end plate clamping assembly 100 includes a first end plate long side positioning driver 1, a second end plate long side positioning driver 3, an end plate thick side limiting driver 2, an end plate thick side positioning driver 4, an end plate bottom clamping driver 5, an end plate clamping displacement driver 6, an end plate clamping driver 7, and an end plate long side positioning mechanism 8. The end plate thick side limiting driver 2 and the end plate thick side positioning driver 4 are used for unilateral positioning in the direction of the end plate thick side; the first end plate long side positioning driver 1 and the second end plate long side positioning driver 3 are located at both ends of the end plate, and are used together with the end plate long side positioning mechanism for unilateral positioning of the end plate long side; the end plate bottom clamping driver 5 is used for clamping the end plate bottom; the end plate clamping displacement driver 6 and the end plate clamping driver 7 are used for clamping the end plate in the vertical direction and the upper end of the end plate respectively; the end plate pressing mechanism 10 is used to increase the clamping force on the end plate.

[0049] In an application example, the feeding robot places the end plate on the end plate positioning platform 9. The end plate thick side limit driver 2 and the end plate thick side positioning driver 4 operate simultaneously to complete unilateral positioning of the end plate in the thick side direction. The second end plate long side positioning driver 3 and the first end plate long side positioning driver 1 operate, cooperating with the end plate long side positioning mechanism 8 to complete unilateral positioning of the end plate long side. After positioning is completed, the end plate bottom clamping driver 5 moves to clamp the bottom of the end plate. The end plate clamping displacement driver 6 and the end plate clamping driver 7 respectively clamp the end plate in the vertical direction and at the upper end of the end plate, fixing the end plate and completing positioning.

[0050] In this embodiment, the end plate clamping assembly 100 is installed on the lower fixed base through a slide rail, the fixed base is installed on the flat plate 600, and the motor 11 and the grating scale 12 are installed on the side of the fixed base. The motor 11 is used to drive the end plate clamping assembly 100 to move on the slide rail, and the grating scale 12 is installed on the slide rail. The end plate clamping assembly is installed with a grating scale reading head. The grating scale 12 and the reading head can display the moving distance of the end plate clamping assembly relative to the slide rail.

[0051] Reference Figures 6 to 9In this embodiment, the side panel pressing assembly 200 includes a first side panel long side positioning drive 13, a second side panel long side positioning drive 16, a side panel thick side limiting drive 14, a side panel thick side positioning drive 15, a first side panel long side positioning mechanism 17, a second side panel long side positioning mechanism 21, an adjusting mechanism 18, a first side panel pressing mechanism 19 and a second side panel pressing mechanism 20. There are two side panel thick side limiting drive members 14 and two side panel thick side positioning drive members 15, which are distributed on both sides of the side panel width direction. The side panel thick side limiting drive member 14 and the side panel thick side positioning drive member 15 are used for unilateral positioning in the width direction of the side panel; the first side panel long side positioning drive member 13 and the second side panel long side positioning drive member 16 are respectively located at both ends of the side panel, and cooperate with the first side panel long side positioning mechanism 17 and the second side panel long side positioning mechanism 21 for unilateral positioning in the length direction of the side panel; the first side panel pressing mechanism 19 and the second side panel pressing mechanism 20 are used to vacuum fix the side panel.

[0052] In an application example, the feeding robot places the module side panel on the end panel positioning platform 9, the side panel thick edge limiting driver 14 operates, and at the same time, the side panel thick edge positioning driver 15 is pushed out to complete the unilateral positioning of the side panel in the width direction. Similarly, the first side panel long side positioning driver 13 and the second side panel long side positioning driver 16 operate, cooperating with the first side panel long side positioning mechanism and the second side panel long side positioning mechanism 21 to complete the unilateral positioning of the side panel in the length direction. The first side panel pressing mechanism 19 and the second side panel pressing mechanism 20 vacuum fix the side panel. After the side panel is vacuum fixed, the side panel thick edge positioning driver 15, the first side panel long side positioning driver 13, the second side panel long side positioning driver 16, and the side panel thick edge limiting driver 14 retract in sequence, and the side panel is positioned.

[0053] Reference Figure 10 and Figure 11 In this embodiment, the partition positioning assembly 300, namely the partition positioning platform, is used to position the partition and prepare for the subsequent connection between the partition and the end plate. The partition positioning assembly 300 includes a partition positioning lifting drive 22, a first partition positioning drive 23, a second partition positioning drive 28, a partition top drive 24, a partition centering positioning drive 25, a partition centering positioning lifting drive 26, a vacuum suction plate 27, a first partition positioning mechanism 29, a second partition positioning mechanism 32, a partition top mechanism 30 and a partition centering positioning mechanism 31. The partition positioning platform is used to place the partition, the vacuum suction plate 27 is used to suck the partition firmly, the partition centering positioning lifting drive 26 is used to adjust the partition, and the partition centering positioning drive 25 is used to center the partition; the partition positioning lifting drive 22 and the partition top drive 24 are used to position the partition in the vertical direction; the first partition positioning drive 23 and the second partition positioning drive 28 are located at both ends of the partition, and are respectively used to push the first partition positioning mechanism 29 and the second partition positioning mechanism 32 to perform unilateral positioning of the partition.

[0054] In an application example, the feeding robot places the partition onto the partition positioning platform, the vacuum suction plate 27 is started to suck the partition firmly, the partition centering positioning lifting drive 26 adjusts the partition in height, the partition centering positioning drive 25 works to center the partition, and then the vacuum suction plate 27 stops working; the partition positioning lifting drive 22 and the partition top drive 24 work to complete the vertical positioning, the first partition positioning drive 23 and the second partition positioning drive 28 push the first partition positioning mechanism 29 and the second partition positioning mechanism 32 to realize unilateral positioning of the partition.

[0055] Reference Figures 12 to 14 In this embodiment, the battery cell positioning assembly 400 includes a first battery cell positioning driver 33, a second battery cell positioning driver 36, a battery cell positioning lifting driver 34, a side panel positioning bottom clamping driver 35, a first battery cell positioning mechanism 37, a second battery cell positioning mechanism 39, a side panel clamping driver 40 and a battery cell positioning platform 38. The battery cell positioning platform 38 is used to place the battery cells; the side panel positioning bottom clamping driver 35 and the side panel clamping driver 40 are used to clamp the side panels, and the battery cell positioning lifting driver 34 is used to position the battery cells in the vertical direction; the first battery cell positioning driver 33 pushes the first battery cell positioning mechanism 37, and the second battery cell positioning driver 36 pushes the second battery cell positioning mechanism 39 to achieve unilateral positioning of the battery cells.

[0056] In an application example, the docking platform 1000 moves to the bottom of the top clamping assembly 500. First, the feeding robot places the battery cell on the battery cell positioning platform 38, the side panel positioning bottom clamping driver 35 clamps the bottom of the side panel, the side panel clamping driver 40 clamps the battery cell side panel, and the battery cell positioning lifting driver 34 positions the battery cell in the vertical direction of the battery cell; then, the second battery cell positioning driver 36 pushes the second battery cell positioning mechanism 39, and the first battery cell positioning driver 33 pushes the first battery cell positioning mechanism 37 to complete the unilateral positioning of the battery cell.

[0057] Reference Figure 15 In this embodiment, the top clamping assembly 500 includes a pole leveling mechanism 41, a side plate leveling drive 42, a side plate leveling mechanism 43, a top flattening drive 44 and a top flattening support platform 45. After the battery cells, end plates, side plates and partitions are positioned, the side plate leveling drive 42 pushes the side plate leveling mechanism 43 to flatten the side plates; the top flattening drive 44 drives the pole leveling mechanism 41 to flatten the battery module by pushing the top flattening support platform 45.

[0058] In an application example, after the end plates, side plates and other parts are positioned, first, the side plate leveling drive 42 starts working, pushing the side plate leveling mechanism 43 to level the side plates of the battery module; then, the top flattening drive 44 starts working, pushing the top clamping support platform 45, thereby driving the pole leveling mechanism 41 to level the battery cell group, thereby controlling the flatness of the battery cells of the battery module.

[0059] Reference Figure 16 In this embodiment, the riveting robot assembly includes a robot 51 and a riveting mechanism. The robot 51 is provided with a first riveting robot motor 46 and a second riveting robot motor 47. The first riveting robot motor 46 and the second riveting robot motor 47 are set at the motion joint position of the robot for driving the robot 51.

[0060] In this embodiment, the riveting mechanism includes a riveting gun 48 mounted on the end of the robot and a riveting gun motor 49 for driving the riveting gun 48 .

[0061] In this embodiment, the rivet blowing system is installed at the end of the robot and connected to the compressed air source through a pipeline. The rivet blowing system is driven by compressed air to launch rivets, and the side panels and end panels are connected through the rivets.

[0062] In an application example, after the top clamping assembly 500 clamps the battery cell group, the first riveting robot motor 46 and the second riveting robot motor 47 and other motors drive the riveting robot, and the rivet blowing system sends the rivets to the riveting position. The robot drives the riveting gun 48 to work, thereby clamping the rivets at the side and end plates, squeezing the plates to deform, completing the connection between the end plates and the side plates, and completing the riveting of all the connections between the side plates and the end plates.

[0063] In this embodiment, the riveting system also includes a monitoring component, which includes a pressure sensor and a displacement sensor. The monitoring component is integrated on the riveting gun 48. The pressure and displacement data of the end plate and the side plate during the riveting process are monitored by the monitoring component to form a riveting quality monitoring system, thereby improving the riveting process and improving the quality of the product.

[0064] The driving member in this embodiment may be a cylinder.

[0065] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A battery module riveting system, characterized in that: include: Assembly platform for positioning the cells, end plates, and side panels of the battery module; A riveting robot assembly, comprising a robot and a riveting mechanism. After the battery cells, end plates, and side plates are positioned on the assembly platform, the robot carries the riveting mechanism to a riveting position, where the riveting mechanism rivets the end plates to the side plates. The assembly platform includes a guide rail, an end plate positioning platform, an end plate clamping assembly, a side plate clamping assembly, a battery cell positioning assembly and a top clamping assembly. The end plate positioning platform, the end plate clamping assembly and the side plate clamping assembly form a docking platform installed on the guide rail through a flat plate. The end plate positioning platform is used to place the end plate and the side plate; the battery cell positioning assembly and the top clamping assembly are installed above the guide rail through a frame, and the docking platform can move along the guide rail to the bottom of the battery cell positioning assembly and the top clamping assembly, and cooperate with each other to complete the positioning of the battery cell, the end plate and the side plate; The system also includes a partition positioning assembly for partition positioning, the partition positioning assembly includes a partition positioning platform, a partition positioning lifting drive, a first partition positioning drive, a second partition positioning drive, a partition top drive, a partition centering positioning drive, a partition centering positioning lifting drive, a vacuum suction plate, a first partition positioning mechanism, a second partition positioning mechanism, a partition top mechanism and a partition centering positioning mechanism, the partition positioning platform is used to place the partition, the vacuum suction plate is used to hold the partition steady, the partition centering positioning lifting drive is used to adjust the partition, and the partition centering positioning drive is used to center the partition; the partition positioning lifting drive and the partition top drive are used to position the partition in the vertical direction; the first partition positioning drive and the second partition positioning drive are located at both ends of the partition, and are respectively used to push the first partition positioning mechanism and the second partition positioning mechanism to perform unilateral positioning of the partition.

2. The battery module riveting system according to claim 1, characterized in that: The end plate clamping assembly includes a first end plate long side positioning drive, a second end plate long side positioning drive, an end plate thick side limiting drive, an end plate thick side positioning drive, an end plate bottom clamping drive, an end plate clamping displacement drive, an end plate clamping drive and an end plate long side positioning mechanism, the end plate thick side limiting drive and the end plate thick side positioning drive are used for unilateral positioning in the direction of the end plate thick side; the first end plate long side positioning drive and the second end plate long side positioning drive are located at both ends of the end plate and are used together with the end plate long side positioning mechanism for unilateral positioning of the end plate long side; the end plate bottom clamping drive is used for clamping the end plate bottom; the end plate clamping displacement drive and the end plate clamping drive are used for clamping the end plate in the vertical direction and the upper end of the end plate respectively.

3. The battery module riveting system according to claim 1, wherein: The side panel clamping assembly includes a first side panel long side positioning drive, a second side panel long side positioning drive, a side panel thick side limiting drive, a side panel thick side positioning drive, a first side panel long side positioning mechanism, a second side panel long side positioning mechanism, an adjustment mechanism, a first side panel pressing mechanism and a second side panel pressing mechanism, the side panel thick side limiting drive and the side panel thick side positioning drive are used for unilateral positioning in the width direction of the side panel; the first side panel long side positioning drive and the second side panel long side positioning drive are respectively located at both ends of the side panel, and cooperate with the first side panel long side positioning mechanism and the second side panel long side positioning mechanism for unilateral positioning in the length direction of the side panel; the first side panel pressing mechanism and the second side panel pressing mechanism are used to vacuum fix the side panel.

4. The battery module riveting system according to claim 1, wherein: The battery cell positioning assembly includes a first battery cell positioning drive, a second battery cell positioning drive, a battery cell positioning lifting drive, a first battery cell positioning mechanism, a second battery cell positioning mechanism, a side panel positioning bottom clamping drive, the side panel clamping drive and a battery cell positioning platform, the battery cell positioning platform is used to place the battery cell; the side panel positioning bottom clamping drive and the side panel clamping drive are used to clamp the side panel, and the battery cell positioning lifting drive is used to position the battery cell in the vertical direction; the first battery cell positioning drive pushes the first battery cell positioning mechanism, and the second battery cell positioning drive pushes the second battery cell positioning mechanism, for unilateral positioning of the battery cell.

5. The battery module riveting system according to claim 1, wherein: The top pressing assembly includes a pole leveling mechanism, a side plate leveling drive, a side plate leveling mechanism, a top flattening drive and a top flattening support platform. Behind the battery cell, the end plate and the side plate, the side plate leveling drive pushes the side plate leveling mechanism to flatten the side plate; the top flattening drive drives the pole leveling mechanism to flatten the battery module by pushing the top flattening support platform.

6. The battery module riveting system according to any one of claims 1 to 5, characterized in that: The robot includes a first riveting robot motor and a second riveting robot motor, which are arranged at the motion joint positions of the robot for driving the robot.

7. The battery module riveting system according to any one of claims 1 to 5, characterized in that: The riveting mechanism includes a riveting gun, which is installed at the end of the robot.

8. The battery module riveting system according to claim 7, wherein: The riveting mechanism further includes a monitoring component, which includes a pressure sensor and a displacement sensor. The pressure sensor and the displacement sensor are integrated on the riveting gun to monitor the pressure and displacement data of the end plate and the side plate during the riveting process.

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