Adjustable positioning device used for lathe rear end positioning and machining

• Main Authors: FANG FEISONG, JIANG ZUZHEN, YU JINGSONG, ZHANG CHUNLING, XIAO YONG, ZHOU CAISHAN, HUANG LONGGUI, YANG KE
• Format: Patent
• Language: Chinese; English
• Published: 26.10.2018
• Subjects: COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT; DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; TRANSPORTING

The invention discloses an adjustable positioning device used for lathe rear end positioning and machining. Workpieces of various specifications can be positioned by adjusting. The adjustable positioning device comprises a positioning interface located between three jaws of a lathe and fixed with a screw; an inner hole of the positioning interface and a spindle of the lathe are concentric; a positioning tube sleeve is fixed in the inner hole of the positioning interface in the axial direction; the hole diameter of the positioning tube sleeve is smaller than or equal to the hole diameter of theinner hole of the positioning interface; the positioning tube sleeve is used for backwards extending into a spindle box of the lathe; a positioning plug block is fixed to the rear end of the positioning tube sleeve to seal an opening of the rear end of the positioning tube sleeve; a positioning block is arranged inside the positioning tube sleeve and used for axially positioning the workpieces; the positioning block is i