Metal air chamber drive grabbing device and using method thereof

• Main Authors: YE JINRUI, LI HAOMING, XU HAIDENG, QIU YUANZHONG
• Format: Patent
• Language: Chinese; English
• Published: 22.12.2010
• Subjects: CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The invention discloses a metal air chamber drive grabbing device, an air chamber shell thereof is divided into two branch air chambers, air chamber outer-end panels are respectively arranged in the air chamber shell and at two sides of a middle fixing plate through air films, the outside of each air chamber outer-end panel is connected with an H-shaped flange connecting rod and a T-shaped slider; and the upper end of the middle fixing plate has a longitudinal hole, and the middle of the middle fixing plate has a two-way hole which is communicated with a central through hole of the air film. A using method of the device comprises the following steps: the drive grabbing device is arranged in a metal mould core, and a plurality of similar metal mould cores are correspondingly inserted into a plurality of preheating cylinder liners at the same time; when the drive grabbing device is inflated, the T-shaped slider pushes the insides of the cylinder liners outwards, the cylinder liners are positioned, distended and