Battery pole piece making and battery cell coiling integrated equipment

Abstract

The invention discloses battery pole piece making and battery cell coiling integrated equipment, which comprises a rack and a control system. The center of the rack is equipped with a coiling device, which coils a positive pole piece transmitted by a positive pole piece supply device, a negative pole piece transmitted by a negative pole piece supply device, and diaphragms output by a first diaphragm supply device and a second diaphragm supply device into a battery cell according to the order of the positive pole piece, a diaphragm, the negative pole piece and a diaphragm. A secondary unloading manipulator and an unloading conveyor belt mechanism are arranged at left lower side of the coiling device. When the secondary unloading manipulator unloads, hole ironing processing is performed simultaneously, and the mode is convenient and effective. A glue wrapping mechanism of a positive lug welding device on the rack adopts a cam control structure, which has high precision and good stability. A positive lug support of the positive lug welding device passes through the rack of the equipment and is installed at the back side of the rack. A negative lug support of a negative lug welding device passes through the rack of the equipment and is installed at the back side of the rack. Thus, for the whole equipment, the layout of all the devices is more reasonable, and the overall size is decreased effectively.

Description

【Technical field】 [0001] The invention relates to battery production equipment, in particular to an integrated equipment for battery pole sheet production and cell rolling. 【Background technique】 [0002] At present, the production of battery positive and negative electrode sheets and the winding of battery cells are usually completed by two separate equipments. First, the positive and negative electrode sheet production equipment welds tabs on the positive and negative electrode sheets and sticks protective tapes. Finally, according to the requirements of different winding equipment, the positive and negative electrode sheets are cut to a fixed length or rolled into rolls to complete the sheet production work; then, the collected sheets are moved to semi-automatic or fully automatic winding equipment, The pole piece is wound and formed by winding equipment to make a battery cell. [0003] Since two types of equipment are used for sheet production and winding cells, the sta...

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Problems solved by technology

[0003] Since two types of equipment are used for sheet production and winding cells, the staff need to transport the collected sheets to the winding equipment, which increases the labor intensity of the staff, delays time, and affects work efficiency

[0004] At the same time, during film production, the requirements for material rolls are relatively high. The current technology is difficult to achieve consistent alignment of rolls and winding materials, and it is easy to increase the difficulty of correcting deviations in the subsequent winding process, so that the positive and negative electrodes Skew will cause inconsistency in the alignment of the cell end face, which greatly affects the quality of the battery cell; during winding, due to manual direct contact, it is easy to cause cross-contamination of the positive and negative electrodes, which directly affects the final battery quality.

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