Pipe forming clamping die and pipe expanding machine

• Main Authors: CHEN PEIZHAO, ZHANG FANG, ZENG CHUNQIANG, XU ZHIFENG
• Format: Patent
• Language: Chinese; English
• Published: 14.07.2023
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL

The utility model relates to the technical field of aluminum pipe expanding, in particular to a pipe forming clamping die and a pipe expanding machine, which comprise clamping pieces arranged oppositely, and each clamping piece comprises a first clamping block and a second clamping block; the first clamping block is provided with a forming straight line, and a movable groove, a first forming groove and an aluminum pipe limiting groove are sequentially formed in the first clamping block along the forming straight line in a communicating mode. And the second clamping block is slidably arranged in the movable groove along the forming straight line, and a second forming groove, a pipe groove and a third forming groove matched with the first forming groove are sequentially formed in the second clamping block along the forming straight line in a communicating mode. The pipe expanding forming device can finish pipe expanding forming of the two ends of the aluminum pipe through one-time extrusion. 本实用新型涉及铝管扩管技术领域，具体涉