Stacking equipment, assembly line and assembly method of battery pack and battery pack

The invention relates to the technical field of batteries, and provides stacking equipment, an assembly line and an assembly method of a battery pack and the battery pack. The stacking equipment is used for stacking a plurality of batteries to form a battery pack, and comprises a base for placing the batteries; the positioning mechanism comprises a positioning surface, and the positioning surface is used for being attached to the stacking surface of the battery; the alignment mechanism is arranged on the base and used for being attached to the side faces of all the batteries so that all the batteries can be aligned; wherein the positioning mechanism is used for clamping aligned batteries. A plurality of batteries are stacked on the base, alignment of the batteries is achieved through the alignment mechanism, and clamping of the aligned batteries is achieved through the positioning mechanism subsequently, so that stacking of the battery pack is achieved. 本发明涉及电池技术领域，提出了一种堆叠设备、电池组的装配生产线及装配方法和电池组。堆叠设备用于将多个电池堆叠形成