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一种快速电磁抱闸断电保护装置

申请公布号:CN201164952Y

申请号:CN200720175943.3

申请日期:2007.09.13

申请公布日期:2008.12.17

申请人:
北京精雕科技有限公司

发明人:孙家友

分类号:B23Q11/00(2006.01);F16P7/00(2006.01)

主分类号:B23Q11/00(2006.01)

地址:102308北京市门头沟区石龙工业区永安路10号

摘要:本实用新型公开了一种基于快速电磁抱闸断电保护装置,旨在提供一种在伺服电机突然断电情况下,数控机床通过对电网实时监测的结果适时控制伺服驱动器对抱闸电磁铁的动作,从而避运动部件沿重力方向运动的断电保护装置。它由外部接口模块、电网隔离采样接口模块、信号处理模块、上半桥臂与快速泄放模块、下半桥臂与快速泄放模块等组成。本实用新型的主要用途是在突然断电的情况下,能够及时对抱闸电磁铁控制,使重力方向运动部件的意外下移量减到足够小,从而保证机床刀具不损坏、加工工件不被破坏。

主权项:1.一种快速电磁抱闸断电保护装置,其特征在于,它由外部接口模块(A1)、电网隔离采样接口模块(A2)、信号处理模块(A3)、上半桥臂与快速泄放模块(A4)、下半桥臂与快速泄放模块(A5)组成;其中,外电网的信号经过外部接口模块(A1),进入电网隔离采样接口(A2);电网隔离采样后的信号经过信号处理模块(A3)的处理产生控制信号,控制信号分别送到上半桥臂与快速泄放(A4)模块,下半桥臂与快速泄放(A5)模块;经过上下半桥臂放大后的信号与快速泄放后的信号再送入外部接口。

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