DOUBLE DRIVE UNIVERSAL ROLLING MILL AND UNIVERSAL TANDEM MILL SET

WIPO Patent Application WO/2009/135363

A1

A double drive universal rolling mill includes double driving shafts and four rolls arranged in the shape of a cross. Upper and lower drive shafts (10, 20), left and right vertical roll shafts (30, 40), an inclination adjusting device, and a stepping motor (70) are positioned in the housing (50). Bevel gears (12, 14; 22, 24; 32, 34; 42, 44) are positioned on two ends of the upper and lower driving shafts (10,20) and the left and right vertical roll shafts (30, 40), adjacent bevel gears(12, 14; 22, 24; 32, 34; 42, 44) engage each other and form four bevel gear pairs. When the upper and lower drive shafts (10, 20) rotate, the left and right vertical roll shafts (30, 40) are driven by four bevel gear pairs and form the double drive structure. The double drive structure enables imulataneous, concentric and commensurate roll gap adjustment by a simultaneous gap adjustment device.

ZHANG, Shaoyuan (No.3-702 Wenyuan Jingshe, Zhanjin Road Cangshan Distric, Fuzhou Fujian 7, 350007, CN)
张少渊 (中国福建省福州市仓山区展进路文苑精舍3座703室, Fujian 7, 350007, CN)

CN2008/071831

November 12, 2009

July 31, 2008

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ZHANG, Shaoyuan (No.3-702 Wenyuan Jingshe, Zhanjin Road Cangshan Distric, Fuzhou Fujian 7, 350007, CN)
张少渊 (中国福建省福州市仓山区展进路文苑精舍3座703室, Fujian 7, 350007, CN)

B21B13/10; B21B13/08; B21B13/00

FUZHOU YUANCHUANG PATENT AND TRADEMARK AGENT LTD. (Room 214, Floor5 Zhongrong Commercial Mansion,NO.75 Wuyi Middle Road,Taijiang Distric, Fuzhou Fujian 5, 350005, CN)

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