Positioning tool

• Main Authors: DING XU, FU MINXIANG, REN LAICHAO, JIANG WEIBO, FENG FUTAO, SHI JINGZHEN, JIANG JIAN'AN, YANG DAIKUN
• Format: Patent
• Language: Chinese; English
• Published: 02.11.2021
• 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 utility model discloses a positioning tool which comprises a positioning base body, a first positioning portion is arranged on the positioning base body, the first positioning portion is matched with a second positioning portion of a workpiece unit, the workpiece unit comprises a plurality of workpieces, the workpieces are provided with corresponding portions, and the corresponding portions are matched with the corresponding portions through the first positioning portion and the second positioning portion. And the corresponding parts in the workpiece units are aligned. According to the positioning tool of the structure, the first positioning part and the second positioning part are arranged to position the workpiece units, so that the corresponding parts are aligned, the positioning precision is ensured, the channel alignment tolerance is reduced, the phenomena of alignment and blocking are avoided, the structural strength of a heat exchanger is ensured, and the service life of the heat exchanger is prolo