Multi-process composite die for silencer flange

• Main Authors: LIU FENG, CHEN RUIQIN, PANG JIANJUN, DING MINGMING
• Format: Patent
• Language: Chinese; English
• Published: 30.08.2022
• 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 invention discloses a multi-process composite die for a silencer flange, which belongs to the technical field of dies, and comprises an upper die holder, a lower die holder, a guide pillar and a guide sleeve, the guide sleeve on the upper die holder is sleeved on the guide pillar of the lower die holder, and a convex die fixing plate is arranged below the upper die holder. A first blanking male die, a connecting block and a pre-punching male die are sequentially arranged in the male die fixing plate from outside to inside, a flanging male die, an ejector block, a drawing male die and a punching female die are sequentially arranged in the blanking female die from outside to inside, a connecting sliding block sliding groove is formed in the upper die base, and a connecting sliding block is arranged in the connecting sliding block sliding groove. One end of the connecting sliding block is attached to the punching sliding block, the other end of the connecting sliding block is attached to the punching male di