Eccentric shaft self-positioning device

• Main Authors: LIN FANGUO, FANG XIAOBING, CHENG LIJUN, LUO HAO, CHEN HONGSHENG, CHU CHENGGANG
• Format: Patent
• Language: Chinese; English
• Published: 26.07.2019
• 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 utility model provides a self-positioning device for an eccentric shaft. The device comprises a three-jaw chuck and a positioning disc, a containing cavity is formed in the center of the three-jawchuck. A movable clamping jaw is arranged on the three-jaw chuck; a locking bolt is arranged on the movable clamping jaw; a positioning hole is formed in the center of the positioning disc; the eccentric shaft machining device overcomes the defects in the prior art, and is reasonable in design, compact in structure, high in eccentric shaft machining precision, large in adjustable eccentricity machining range, convenient to clamp, easy to operate, low in production cost and capable of achieving batch production. 本实用新型提供了一种偏心轴自定位装置，包括三爪卡盘和定位盘，所述三爪卡盘中心具有放置腔，所述三爪卡盘上设有活动卡爪，所述活动卡爪上设有锁紧螺栓，所述定位盘中心具有定位孔，所述定位盘上设有螺柱，所述螺柱上设有加重块，所述加重块通过固定螺栓固定在螺柱上，本实用新型克服了现有技术的不足，设计合理，结构紧凑，加工偏心轴精度高，可调节偏心度加工范围大，装夹方便，易操作，生产成本低，可批量生产。