Battery pack box body welding method and battery pack box body welding tool implementing method

• Main Authors: WANG HONGQUAN, ZHENG HUI, ZHAO HELIN, ZHAO MINGHUI, WANG XUTAO, XU KEKE, CHAI SHUJIE, HAN XINGZHEN, ZHANG YANGYANG, SUN DONG, CHU JINFU
• Format: Patent
• Language: Chinese; English
• Published: 02.07.2019
• Subjects: CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

The invention discloses a battery pack box body welding method and a battery pack box body welding tool implementing the method, and belongs to the technical field of automobile manufacturing. The battery pack box body welding method comprises the following steps that firstly, a bottom box is reversely buckled to an assembling and welding platform, and a strengthening support is placed on the bottom box; secondly, a pressing plate is placed on the upper end face of the strengthening support, and the pressing plate, the bottom box and the strengthening support are pressed on the assembling andwelding platform through clamping pieces; and thirdly, the strengthening support and the outer side bottom face of the bottom box are welded together, the strengthening support and the bottom box areclamped through the pressing plate and the assembling and welding platform, the lower end face of the strengthening support and the outer side bottom face of the bottom box are in positioning fit, thewelding precision is impro