Automatic sweat soldering equipment for copper bars of upper cover plate and lower cover plate of battery

By designing an automatic hot melt welding equipment for upper and lower cover plates of the battery with multiple automation components, the problems of insufficient welding joint strength, poor stability and low production efficiency in the existing welding technology are solved, and the efficient and accurate welding process is achieved, and the performance and reliability of the battery pack are improved.

CN119974553APending Publication Date: 2025-05-13NINGBO KUMAR ROBOT TECH CO LTD
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Patent Information

Application Number
CN202510198385.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-22
Publication Date
2025-05-13

AI Technical Summary

Technical Problem

The existing battery pack welding technology has problems such as insufficient strength, poor stability and low production efficiency, especially during the welding process of copper rows on the upper and lower covers of the battery.

Method used

An automatic hot melt welding equipment for copper ships on the upper and lower covers of the battery is designed, including automatic loading components of plastic boards, automatic loading components of A/B copper ships, automatic loading components of C/D copper ships, double-speed chain adapter components, copper ships visual inspection components, quadrature hot melt components, 3D visual inspection components and finished product cutting components to realize the fully automatic hot melt welding process.

Benefits of technology

The production efficiency of copper strip welding of upper and lower cover plates of the battery is improved, the welding accuracy and consistency are ensured, and the reliability and overall performance of the battery pack are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of battery pack processing, and discloses automatic hot melting welding equipment for copper bars of upper and lower cover plates of a battery, an automatic plastic plate feeding assembly is arranged on a machine base, an automatic A / B copper bar feeding assembly is arranged beside the automatic plastic plate feeding assembly, and then an automatic C / D copper bar feeding assembly is arranged beside the automatic A / B copper bar feeding assembly. A speed chain switching assembly, a copper bar visual detection assembly and a quadruple hot melting assembly are arranged beside the C / D copper bar assembly. The 3D visual inspection assembly is arranged beside the quadruple hot melting assembly, the finished product discharging assembly is arranged finally, and the speed multiplication chain is arranged beside the finished product discharging assembly. Through the arrangement of the plastic plate automatic feeding assembly, the A / B copper bar automatic feeding assembly, the C / D copper bar automatic feeding assembly, the speed chain switching assembly, the copper bar visual detection assembly, the quadruple hot melting assembly, the 3D visual detection assembly and the finished product discharging assembly, the full-automatic hot melting welding process of the copper bars of the upper cover plate and the lower cover plate of the battery is achieved, and the production efficiency is improved; and the welding precision and consistency are ensured.
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Description

Technical Field

[0001] The invention relates to the technical field of battery pack processing, in particular to automatic hot-melt welding equipment for copper bars of upper and lower cover plates of batteries. Background Art

[0002] In the production process of new energy battery powertrain, the series welding of single battery packs is one of the key steps. With the rapid development of the new energy vehicle market, higher requirements are placed on the performance, safety and production efficiency of battery packs. Battery pack processing technology, especially welding technology, directly affects the reliability and overall performance of the battery pack.

[0003] The mainstream technologies on the current market are mainly focused on metal-to-metal welding methods, such as laser welding, ultrasonic welding, etc. However, these traditional welding methods have some inherent problems. First, during the welding process of metal to metal, due to the different thermal expansion coefficients of the materials, stress concentration is prone to occur at the welding site, resulting in insufficient strength of the weld and increasing the failure rate. Secondly, after the welding is completed, the locking of the screws during the assembly process will exert additional force on the welding point, which often leads to problems such as weld falling off or poor contact, affecting the stability and life of the battery pack.

[0004] In addition, the existing hot melt welding equipment is not efficient and cannot meet the needs of large-scale production, but the traditional hot melt welding equipment has deficiencies in automation, welding accuracy and consistency. This not only affects production efficiency, but also limits the further improvement of battery pack performance.

[0005] Therefore, based on the above technical problems, it is necessary for technicians in this field to develop an automatic hot-melt welding device for the copper bars of the upper and lower cover plates of the battery. Summary of the invention

[0006] The purpose of the present invention is to provide an automatic hot-melt welding device for copper bars of upper and lower cover plates of a battery to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A technical solution for automatic hot-melt welding equipment of copper bars of upper and lower cover plates of a battery, comprising a machine base, on which a plastic plate automatic feeding assembly is arranged, an A / B copper bar automatic feeding assembly is arranged on the adjacent side of the plastic plate automatic feeding assembly, a C / D copper bar automatic feeding assembly is arranged on the adjacent side of the A / B copper bar automatic feeding assembly, a double-speed chain adapter assembly is arranged on the adjacent side of the C / D copper bar automatic feeding assembly, a copper bar visual inspection assembly is arranged on the adjacent side of the double-speed chain adapter assembly, a quadruple hot-melt assembly is arranged on the adjacent side of the copper bar visual inspection assembly, a 3D visual inspection assembly is arranged on the adjacent side of the quadruple hot-melt assembly, a finished product unloading assembly is arranged on the adjacent side of the 3D visual inspection assembly, and a double-speed chain is arranged on the adjacent side of the finished product unloading assembly.

[0009] As a preferred technical solution, the automatic plastic plate feeding assembly includes a feeding conveyor, a material tray is provided at the rear end of the feeding conveyor, a material picking robot is provided on the adjacent side of the material tray, a three-axis robot is provided on the adjacent side of the material picking robot, a clamping claw is installed on the three-axis robot, a feeding moving module is provided below the three-axis robot, and a moving seat is provided on the feeding moving module.

[0010] As a preferred technical solution, the A / B copper bar automatic feeding assembly includes an A / B copper bar processing machine installed on a machine base, an A / B copper bar scanner is arranged on the adjacent side of the A / B copper bar processing machine, an A / B copper bar manipulator is installed on the machine base, and an A / B copper bar moving module is arranged under the A / B copper bar manipulator.

[0011] As a preferred technical solution, the C / D copper bar automatic feeding assembly includes a C / D copper bar processing machine installed on a machine base, a C / D copper bar scanner is arranged on the adjacent side of the C / D copper bar processing machine, a C / D copper bar manipulator is installed on the machine base, and a C / D copper bar moving module is arranged below the C / D copper bar manipulator.

[0012] As a preferred technical solution, the speed chain adapter assembly includes an adapter mold base, a transfer movable module 1 is arranged below the transfer mold base, and a transfer movable module 2 is arranged on the adjacent side of the transfer movable module 1.

[0013] As a preferred technical solution, the copper busbar visual inspection component includes a visual moving module, a visual moving block is arranged on the visual moving module, a visual manipulator is arranged on the adjacent side of the visual moving block, and a visual inspection machine is arranged on the adjacent side of the visual manipulator.

[0014] As a preferred technical solution, the quadruple hot melt assembly includes a hot melt moving module, a hot melt frame is provided on the hot melt moving module, four groups of hot melt machines are installed on the hot melt frame, and a hot melt mold seat is provided under the hot melt machine.

[0015] As a preferred technical solution, the 3D visual inspection component includes a visual inspection robot, a visual inspection device is arranged on the adjacent side of the visual inspection robot, a unloading robot is arranged on the adjacent side of the visual inspection device, a visual moving module is arranged on the adjacent side of the visual moving module, a visual scanner is arranged on the adjacent side of the visual scanner, and a visual controller is arranged on the adjacent side of the visual scanner.

[0016] As a preferred technical solution, the finished product unloading assembly includes material tray area 1, material tray area 2, and material tray area 3, unloading areas are arranged on adjacent sides, unloading conveyors are arranged on adjacent sides, and a defective product channel is arranged on the adjacent side of the unloading conveyor.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention discloses an automatic hot-melt welding device for copper bars of upper and lower cover plates of a battery. The device is provided with an automatic plastic plate feeding component, an automatic A / B copper bar feeding component, an automatic C / D copper bar feeding component, a double-speed chain switching component, a copper bar visual inspection component, a four-link hot-melt component, a 3D visual inspection component and a finished product unloading component, thereby realizing a fully automatic hot-melt welding process for the copper bars of the upper and lower cover plates of the battery, which not only improves the production efficiency but also ensures the welding accuracy and consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of an automatic hot-melt welding device for copper bars of upper and lower cover plates of a battery;

[0020] Figure 2 It is a structural schematic diagram of a plastic plate automatic feeding assembly of an automatic hot-melt welding device for copper bars of upper and lower cover plates of a battery;

[0021] Figure 3 This is a schematic diagram of the structure of an A / B copper bar automatic feeding assembly of an automatic hot-melt welding device for copper bars of upper and lower cover plates of a battery;

[0022] Figure 4 This is a schematic diagram of the structure of a C / D copper bar automatic feeding assembly of an automatic hot-melt welding device for copper bars on upper and lower cover plates of a battery;

[0023] Figure 5 It is a schematic diagram of the structure of a double-speed chain transfer assembly of an automatic hot-melt welding device for copper bars of upper and lower cover plates of a battery;

[0024] Figure 6 A schematic diagram of the structure of a copper busbar visual inspection component of an automatic hot-melt welding device for copper busbars of upper and lower cover plates of a battery;

[0025] Figure 7 It is a schematic diagram of the structure of a four-unit hot-melt assembly of an automatic hot-melt welding device for copper bars of upper and lower cover plates of a battery;

[0026] Figure 8 This is a schematic diagram of the structure of a 3D visual inspection component of an automatic hot-melt welding device for copper bars on upper and lower cover plates of a battery;

[0027] Fig. 9 This is a schematic diagram of the finished blanking assembly structure of an automatic hot-melt welding device for copper bars on upper and lower cover plates of batteries.

[0028] In the accompanying drawings: 1. Automatic plastic plate feeding assembly; 11. Feeding conveyor; 12. Material tray; 13. Material taking manipulator; 14. Moving seat; 15. Three-axis manipulator; 16. Loading moving module; 17. Clamp; 2. Automatic A / B copper bar feeding assembly; 21. A / B copper bar processing machine; 22. A / B copper bar scanner; 23. A / B copper bar manipulator; 24. A / B copper bar moving module; 3. Automatic C / D copper bar feeding assembly; 31. C / D copper bar processing machine; 32. C / D copper bar scanner; 33. C / D copper bar manipulator; 34. C / D copper bar moving module; 4. Double speed chain transfer assembly; 41. Transfer mold base; 42. Transfer moving module one; 43 , transfer mobile module 2; 5. Copper busbar visual inspection component; 51. Visual mobile module; 52. Visual mobile block; 53. Visual manipulator; 54. Visual inspection machine; 6. Quadruple hot melt component; 61. Hot melt mobile module; 62. Hot melt rack; 63. Hot melt machine; 64. Hot melt mold base; 7. 3D visual inspection component; 71. Visual inspection manipulator; 72. Visual inspection machine; 73. Unloading manipulator; 74. Visual mobile module; 75. Visual scanner; 76. Visual controller; 8. Finished product unloading component; 81. Material tray area 1; 82. Material tray area 2; 83. Material tray area 3; 84. Unloading area; 85. Unloading conveyor; 86. Defective product channel; 9. Double speed chain. DETAILED DESCRIPTION

[0029] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. For those skilled in the art, the present invention can be implemented without the need for some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the present invention.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9As shown, the present invention provides a technical solution for automatic hot-melt welding equipment of copper bars of upper and lower cover plates of batteries: comprising a machine base, on which a plastic plate automatic feeding component 1 is arranged, an A / B copper bar automatic feeding component 2 is arranged on the adjacent side of the plastic plate automatic feeding component 1, a C / D copper bar automatic feeding component 3 is arranged on the adjacent side of the A / B copper bar automatic feeding component 2, a double-speed chain adapter component 4 is arranged on the adjacent side of the C / D copper bar automatic feeding component 3, a copper bar visual inspection component 5 is arranged on the adjacent side of the double-speed chain adapter component 4, a quadruple hot-melt component 6 is arranged on the adjacent side of the copper bar visual inspection component 5, a 3D visual inspection component 7 is arranged on the adjacent side of the quadruple hot-melt component 6, a finished product unloading component 8 is arranged on the adjacent side of the 3D visual inspection component 7, and a double-speed chain 9 is arranged on the adjacent side of the finished product unloading component 8.

[0031] The automatic plastic plate feeding assembly 1 includes a feeding conveyor 11, and a material tray 12 is provided at the rear end of the feeding conveyor 11. The material tray 12 is used to store the plastic plate material to be processed. A material picking robot 13 is provided on the adjacent side, and the material picking robot 13 is responsible for taking out the plastic plate material from the material tray 12. A three-axis robot 15 is provided on the adjacent side of the material picking robot 13, and the three-axis robot 15 is equipped with a clamping claw 17 for accurately grasping the plastic plate material. A feeding moving module 16 is provided below the clamping claw 17, and the feeding moving module 16 is responsible for moving the plastic plate material from the feeding robot 13 to the designated processing position. The moving seat 14 is fixed on the feeding moving module 16 to support the movement of the entire moving module.

[0032] The A / B copper bar automatic feeding assembly 2 includes an A / B copper bar processing machine 21 installed on a machine base, and the A / B copper bar processing machine 21 is used to process the A / B copper bar. An A / B copper bar scanner 22 is provided on the adjacent side to scan the size and position information of the copper bar. An A / B copper bar manipulator 23 is installed on the machine base, and an A / B copper bar moving module 24 is provided below the A / B copper bar manipulator 23. The A / B copper bar moving module 24 is responsible for moving the processed copper bar to the next processing or testing link.

[0033] The C / D copper bar automatic feeding assembly 3 includes a C / D copper bar processing machine 31 installed on the machine base, and the C / D copper bar processing machine 31 is used to process the C / D copper bar. A C / D copper bar scanner 32 is provided on the adjacent side, which is used to scan the size and position information of the copper bar. A C / D copper bar manipulator 33 is installed on the machine base, and a C / D copper bar moving module 34 is provided below the C / D copper bar manipulator 33. The C / D copper bar moving module 34 is responsible for moving the processed copper bar to the next processing or testing link.

[0034] The double-speed chain transfer assembly 4 includes a transfer mold base 41, a transfer mobile module 1 42 is arranged below the transfer mold base 41, and a transfer mobile module 2 43 is arranged on the adjacent side of the transfer mobile module 1 42. The transfer mold base 41 is used to connect the material transmission between different components, and the transfer mobile module 1 42 and the transfer mobile module 2 43 are responsible for the rapid transfer of materials between different components.

[0035] The copper busbar visual inspection assembly 5 includes a visual moving module 51, a visual moving block 52 is arranged on the visual moving module 51, a visual manipulator 53 is arranged on the adjacent side of the visual moving block 52, and a visual inspection machine 54 is arranged on the adjacent side of the visual manipulator 53. The visual moving module 51 is responsible for moving the visual inspection machine 54 to the inspection position, and the visual manipulator 53 is used to grab the copper busbar and place it under the visual inspection machine 54 for size and quality inspection.

[0036] The quadruple hot melt assembly 6 includes a hot melt moving module 61, a hot melt machine frame 62 is provided on the hot melt moving module 61, four groups of hot melt machines 63 are installed on the hot melt frame 62, and a hot melt mold seat 64 is provided below the hot melt machine 63. The hot melt mold seat 64 is used to support the copper bar, and the four groups of hot melt machines 63 perform hot melt welding on the copper bar at the same time to improve welding efficiency.

[0037] The 3D visual inspection component 7 includes a visual inspection manipulator 71, a visual inspection device 72 is arranged adjacent to the visual inspection manipulator 71, a blanking manipulator 73 is arranged adjacent to the visual inspection device 72, a visual moving module 74 is arranged adjacent to the blanking manipulator 73, a visual scanner 75 is arranged adjacent to the visual moving module 74, and a visual controller 76 is arranged adjacent to the visual scanner 75. The visual inspection manipulator 71 is responsible for moving the welded copper bar to the visual inspection device 72 for 3D visual inspection to ensure the welding quality. The blanking manipulator 73 is used to place the qualified copper bar into the finished blanking component 8, and the unqualified copper bar is controlled by the visual controller 76 to move to the defective product channel 86.

[0038] The finished product unloading assembly 8 includes a tray area 1 81, a tray area 2 82, and a tray area 3 83, with an unloading area 84 disposed on the adjacent side, an unloading conveyor 85 disposed on the adjacent side, and a defective product channel 86 disposed on the adjacent side of the unloading conveyor 85. The unloading area 84 is used to temporarily store the finished copper bars, and the unloading conveyor 85 is responsible for conveying the finished copper bars to packaging or the next production link. The defective product channel 86 is used to divert the unqualified copper bars to a separate processing area.

[0039] Through the above implementation, the automatic hot-melt welding equipment for copper bars of upper and lower cover plates of the battery of the present invention can realize a fully automated production process from automatic loading of plastic plate materials, processing of copper bars, visual inspection, hot-melt welding to unloading of finished products, which significantly improves production efficiency and consistency of welding quality.

[0040] The working principle and use process of the present invention: After assembling the various components of the present solution in sequence, all the working steps can be completed by working in accordance with the above implementation methods in sequence according to actual needs.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

[0042] In the description of the present invention, it is necessary to understand that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations 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 orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0044] According to the embodiments of the present invention as described above, these embodiments do not describe all the details in detail, nor do they limit the invention to specific embodiments. Obviously, many modifications and changes can be made based on the above description. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can make good use of the present invention and the modified use based on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic hot-melt welding device for copper bars of upper and lower cover plates of batteries, characterized in that: The invention comprises a machine base, wherein a plastic plate automatic feeding component (1) is arranged on the machine base, an A / B copper bar automatic feeding component (2) is arranged on the adjacent side of the plastic plate automatic feeding component (1), a C / D copper bar automatic feeding component (3) is arranged on the adjacent side of the A / B copper bar automatic feeding component (2), a double-speed chain adapter component (4) is arranged on the adjacent side of the C / D copper bar automatic feeding component (3), a copper bar visual detection component (5) is arranged on the adjacent side of the double-speed chain adapter component (4), a four-link hot melt component (6) is arranged on the adjacent side of the copper bar visual detection component (5), a 3D visual detection component (7) is arranged on the adjacent side of the four-link hot melt component (6), a finished product unloading component (8) is arranged on the adjacent side of the 3D visual detection component (7), and a double-speed chain (9) is arranged on the adjacent side of the finished product unloading component (8).

2. The automatic hot-melt welding equipment for copper bars of upper and lower cover plates of batteries according to claim 1 is characterized in that: The automatic plastic plate feeding assembly (1) comprises a feeding conveyor (11), a material tray (12) is arranged at the rear end of the feeding conveyor (11), a material picking robot (13) is arranged on the adjacent side of the material tray (12), a three-axis robot (15) is arranged on the adjacent side of the material picking robot (13), a clamping claw (17) is installed on the three-axis robot (15), a feeding moving module (16) is arranged below the three-axis robot (15), and a moving seat (14) is arranged on the feeding moving module (16).

3. The automatic hot-melt welding equipment for copper bars of upper and lower cover plates of batteries according to claim 1 is characterized in that: The A / B copper bar automatic feeding assembly (2) comprises an A / B copper bar processing machine (21) mounted on a machine base, an A / B copper bar scanner (22) is arranged adjacent to the A / B copper bar processing machine (21), an A / B copper bar manipulator (23) is mounted on the machine base, and an A / B copper bar moving module (24) is arranged below the A / B copper bar manipulator (23).

4. The automatic hot-melt welding equipment for copper bars of upper and lower battery covers according to claim 1 is characterized in that: The C / D copper bar automatic feeding assembly (3) comprises a C / D copper bar processing machine (31) mounted on a machine base, a C / D copper bar scanner (32) is arranged on an adjacent side of the C / D copper bar processing machine (31), a C / D copper bar manipulator (33) is mounted on the machine base, and a C / D copper bar moving module (34) is arranged below the C / D copper bar manipulator (33).

5. The automatic hot-melt welding equipment for copper bars of upper and lower cover plates of batteries according to claim 1 is characterized in that: The speed-up chain transfer assembly (4) comprises a transfer mold base (41), a transfer movable module 1 (42) is arranged below the transfer mold base (41), and a transfer movable module 2 (43) is arranged on the adjacent side of the transfer movable module 1 (42).

6. The automatic hot-melt welding equipment for copper bars of upper and lower battery covers according to claim 1 is characterized in that: The copper busbar visual inspection component (5) comprises a visual moving module (51), a visual moving block (52) is arranged on the visual moving module (51), a visual manipulator (53) is arranged on the adjacent side of the visual moving block (52), and a visual inspection machine (54) is arranged on the adjacent side of the visual manipulator (53).

7. The automatic hot-melt welding equipment for copper bars of upper and lower cover plates of batteries according to claim 1 is characterized in that: The quadruple hot melt assembly (6) comprises a hot melt moving module (61), a hot melt machine frame (62) is arranged on the hot melt moving module (61), four groups of hot melt machines (63) are installed on the hot melt frame (62), and a hot melt mold seat (64) is arranged below the hot melt machine (63).

8. The automatic hot-melt welding equipment for copper bars of upper and lower cover plates of batteries according to claim 1 is characterized in that: The 3D visual inspection component (7) comprises a visual inspection robot (71), a visual inspection device (72) is arranged on an adjacent side of the visual inspection robot (71), a material unloading robot (73) is arranged on an adjacent side of the visual inspection device (72), a visual moving module (74) is arranged on an adjacent side of the material unloading robot (73), a visual scanner (75) is arranged on an adjacent side of the visual moving module (74), and a visual controller (76) is arranged on an adjacent side of the visual scanner (75).

9. The automatic hot-melt welding equipment for copper bars of upper and lower battery covers according to claim 1 is characterized in that: The finished product unloading assembly (8) comprises a material tray area 1 (81), a material tray area 2 (82), and a material tray area 3 (83), adjacent sides of which are provided with unloading areas (84), adjacent sides of which are provided with unloading conveyors (85), and adjacent sides of which are provided with defective product passages (86).