我厂导电片零件(图一)材料QSn6.5-0.1y0.5(YB461-71)。零件几何形状较复杂,以前用三道工序冲压:复合模冲孔、落料、压弯、成形。需三副模具,工人劳动强度大,生产效率低,安全可靠性差。 为了挖掘生产潜力,提高经济效益,结合我厂现有J—21型开式自动压力机设计,制造了《导电片》四工位连续模,进行冲孔、落料、压弯、成形。用一副模具代替三副模具在桂林第三机床厂生产的J—21型压力机上连续自动冲压,经过大批量生产表明:机床模具工作稳定,零件质量可靠,提高工效24倍。现将工艺排样、模具动作原理、模具结构分别介绍如下: 图2为工艺排样示图:冲孔,落料为双排样,先单边冲裁,待一卷料冲完后再调边 I plant parts conductive film (Figure 1) Material QSn6.5-0.1y0.5 (YB461-71). Part geometry is more complex, previously punched with three processes: composite die punching, blanking, bending, forming. Need three molds, workers labor-intensive, low productivity, poor safety and reliability. In order to tap the potential of production and improve economic efficiency, combined with the design of the existing J-21 open-type automatic press in our factory, a four-position continuous mold of “conductive sheet” was manufactured for punching, blanking, bending and forming. With a pair of mold instead of the three molds Guilin Third Machine Factory J-21-type press continuous automatic stamping, after mass production shows that: the machine tool die stable, reliable parts, improve work efficiency 24 times. Now the process of packaging, mold principle of action, mold structure, respectively, are described below: Figure 2 Process layout diagram: punching, blanking double row, the first unilateral blanking, side