Forming device for air pump gear cover plate

• Main Authors: NONG WEI, GAN FENG, LIANG TIANBING, JIN XIUKUN, ZHONG JIANXIN, XU WEI
• Format: Patent
• Language: Chinese; English
• Published: 16.04.2014
• 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 discloses a forming device for an air pump gear cover plate. The forming device comprises an upper template and a lower template, wherein the upper template is a circular boss, a calendaring convex face is arranged in the middle of the end face of the circular boss, a calendaring convex edge is arranged on the periphery of the calendaring convex face, a plurality of pressing hole bosses are arranged on the end face close to the calendaring convex edge at intervals, arc-shaped convex edge sections are arranged between adjacent pressing hole bosses, a bent side is arranged on the periphery of the end face of the circular boss, a concave base matched with the circular boss is arranged at the upper end of the lower template, and a calendaring concave face, a calendaring groove, pressing holes, arc-shaped groove sections and a convex side matched with the calendaring convex face, the calendaring convex edge, the pressing hole bosses, the arc-shaped convex edge sections and the bent side are arran