Feed mechanism for tailstock sleeve of workbench movable numerical control roll grinder

• Main Authors: MA SUFANG, DU HAITAO, CHEN YANJUAN, ZHANG QUANMIN, ZHOU ZHENG, WANG XINGDONG, WANG XIAODONG, ZHOU YUJIAO, JIANG DAPENG
• Format: Patent
• Language: Chinese; English
• Published: 26.12.2012
• Subjects: DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; GRINDING; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; PERFORMING OPERATIONS; POLISHING; TRANSPORTING

The utility model discloses a feed mechanism for a tailstock sleeve. The feed mechanism comprises a driving mechanism, a lead screw, a lead screw nut, a sleeve and a centre, wherein the driving mechanism outputs power to the lead screw; the lead screw is screwed with the lead screw nut; the centre is fixed to the other end of the sleeve; a T-shaped hole is formed in one end of the sleeve; the lead screw nut can be inserted into the T-shaped hole in a sliding mode along the axial direction; a circle of retracted annular backstop wall is also arranged on the end wall at one end of the sleeve and is stopped on the end wall at one end of the lead screw nut; an elastic piece is arranged inside the sleeve; and one end of the elastic piece is pressed against the other end wall of the lead screw nut, and the other end of the elastic piece is pressed against the step surface of the T-shaped hole of the sleeve. By the feed mechanism, damage to a workpiece and the centre caused by huge jacking force increased instantly