Welding tool for vertical multi-stage pump guide vane

• Main Authors: CHEN LINGPING, LI HAIJUN, YAN ENRONG, SHA FEI, LI HANYANG
• Format: Patent
• Language: Chinese; English
• Published: 19.01.2024
• 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 belongs to the technical field of machining, and particularly relates to a welding tool for a guide vane of a vertical multistage pump, which comprises a base, a central positioning core rod arranged in the base and a pressing die arranged above the base. The center positioning core rod comprises a first cylindrical section which is located at the upper end and matched with an inner hole of the bearing seat, and the pressing die is arranged on the lower portion and the upper portion of the outer guide vane cover in a pressing mode. All parts of the vertical pump guide vane do not need to be held by hands, welding is convenient, the welding time is short, the production efficiency is high, the technical requirement for operators is high, and the yield is high. 本实用新型属于机械加工技术领域，特指一种立式多级泵导叶片的焊接工装，包括底座、设置在底座内的中心定位芯棒、以及设置在底座上方的压模，所述底座上设有与外导叶盖上相适配的放置凹槽，所述中心定位芯棒包括位于上端且与轴承座的内孔相适配的圆柱段一，所述压模压设在外导叶盖下上。本实用新型无需手拿立式泵导叶片的各个部件，便于焊接，焊接时间短，生产效率高，且对操作人员的技术要求高，良品率高。