Friction welding inner hole shaping mandrel pulling-out device

• Main Authors: HUANG GUOFENG, WEI HONGYAN, ZHOU HONGSHAN
• Format: Patent
• Language: Chinese; English
• Published: 07.06.2024
• 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 relates to the technical field of hollow piston rod auxiliary machining equipment, in particular to a friction welding inner hole shaping mandrel pulling-out device which comprises a base, a working table top is installed at the upper end of the base, a receding groove is formed in one side of the working table top, and an inserting and pulling rod connected with a mandrel is arranged in the receding groove. A clamping head is arranged at the end, located below the working table top, of the inserting and pulling rod, the end, located on the upper portion of the working table top, of the inserting and pulling rod is sleeved with a guide sleeve, a protective sleeve is installed outside the guide sleeve, and a clamping ring plate is arranged on the upper portion of the protective sleeve. The driving assembly is used for driving the inserting and pulling rod to move downwards, meanwhile, the core shaft is pulled out of the hollow piston rod, compared with existing core shaft pulling-out equipmen