Automatic welding equipment for nickel sheet of lithium-ion battery and welding technology

Abstract

The invention discloses automatic welding equipment for a nickel sheet of a lithium-ion battery and a welding technology and relates to the technical field of battery production equipment. The automatic welding equipment for the nickel sheet of the lithium-ion battery comprises a first spot welding machine, a second spot welding machine, a computer control box, a stepper motor, a first feeding belt, a second feeding belt, a first spot welding needle cylinder, a second spot welding needle cylinder, a first cutter cylinder, a second cutter cylinder, a first feeding stepper belt pulley, a second feeding stepper belt pulley, a first cutter, a second cutter, a first spot welding needle, a second spot welding needle, a first support frame, a second support frame and an operation platform. The automatic welding equipment is simple in structure and convenient to use, additional equipment cost is reduced by changing a cutting mode, requirements for skills of an employee at a welding operation post are reduced greatly through technology improvement, operation is finished only by starting the equipment simply, and the operation intensity of the employee is reduced.

Description

technical field [0001] The invention relates to the technical field of battery production equipment, in particular to automatic welding equipment and a welding process for nickel sheets of lithium-ion batteries. Background technique [0002] Nickel sheets are an important part of lithium-ion batteries. In the existing production process, the welding process of nickel sheets for lithium-ion batteries includes three manufacturing processes: nickel sheet cutting, tinning on PCB pads, and PCB and nickel sheet welding. , the operation of the equipment needs two jobs to complete. In the prior art, in the nickel sheet cutting process, the widely used production process is to use the nickel sheet cutting machine. By setting the corresponding specifications and sizes, the strip nickel sheet, independent operation and cutting, and the cut nickel sheet material is transported to the next post for operation; if processing in advance requires adding a cutting machine and an independent o...

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Problems solved by technology

[0002] Nickel sheets are an important part of lithium-ion batteries. In the existing production process, the welding process of nickel sheets for lithium-ion batteries includes three manufacturing processes: nickel sheet cutting, tinning on PCB pads, and PCB and nickel sheet welding. , the operation of the equipment needs two jobs to complete. In the prior art, in the nickel sheet cutting process, the widely used production process is to use the nickel sheet cutting machine. By setting the corresponding specifications and sizes, the strip nickel sheet, independent operation and cutting, and the cut nickel sheet material is transported to the next post for operation; if processing in advance requires adding a cutting machine and an independent operator, it increases equipment and labor costs, and at the same time it is difficult to control the amount of material preparation; in PCB In the process of welding with nickel sheet, the soldering iron and tin welding process is widely used at present, and the welding is independently operated by a single post, including two processes of tin addition and welding. If the conventional production process is adopted, it is necessary to operate independently at separate posts and add separate equipment , the utilization rate of the equipment is relatively low, and two additional positions need to be added independently, and the labor cost will increase accordingly. At the same time, soldering iron soldering can easily cause other secondary adverse results and affect product quality

[0003] The existing lithium-ion battery nickel sheet welding equipment and welding process have low production process efficiency, and are prone to secondary defects. There are many equipments, complicated operations, and high requirements for operators' skills. Therefore, the existing technology needs to be improved.

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