Spot welding die for cylindrical lithium battery

• Main Authors: HUANG GUOWEN, WEN CAIHUA, ZHU YANFEI, YUAN HUAZHAO
• Format: Patent
• Language: Chinese; English
• Published: 20.09.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; ELECTRICITY; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

The utility model discloses a spot welding die for a cylindrical lithium battery. The spot welding die comprises a bottom plate and a cover plate, a semi-cylindrical first groove is formed in the bottom plate; a semi-cylindrical second groove is formed in the cover plate; the cover plate is arranged on the bottom plate; the first groove and the second groove are combined to form a cylindrical port; the edge of the other end of the bottom plate is provided with a retracted first step position; the edge of the other end of the cover plate is provided with a retracted second step position. The spot welding device has the advantages of being flexible to use, high in spot welding efficiency, good in spot welding effect and the like which are not possessed by existing products. 本实用新型公开了一种用于圆柱形锂电池点焊模具，包括底板和盖板；所述底板上设置有半圆柱形的第一凹槽；所述盖板上设置有半圆柱形的第二凹槽；所述盖板设置在底板上；所述第一凹槽与第二凹槽组合形成圆柱体通口；所述底板的另一端边缘处上设置有缩进的第一阶梯位；所述盖板的另一端边缘处上设置有缩进的第二阶梯位。本实用新型具有使用灵活、点焊效率高、点焊效果好等现有产品所不具备的优点。