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我厂为了加工“长江750”型摩托车轮圈上的40个辐条窝和孔,设计了一台轮圈冲窝、冲孔机.工件形状见图1.机器外形见图2.本机器每次行程冲4个窝(一组窝)或4个孔(一组孔).连续10次行程可冲完一个工件上的全部窝或孔.工件分两次装夹,第一次装夹进行冲窝,第二次装夹进行冲孔.两次加工都是依靠插入工件上的圆柱销紧贴在夹紧爪的端面上.当冲窝、冲孔时,换上相应的冲模,冲孔模采用大间隙,工件上窝及孔角度均由模具保证.4根冲杆轴线与水平面夹角最大为77°l′36″,最小的为67°23′.本机器是一专用压力机.它具有足够的强度和刚度.机器上设置了自动分度、连续冲压、自动停止机构,可以实现半自动操作.经过一年半的实践,完全
I plant in order to process “Yangtze River 750 ” type motorcycle rim 40 spokes and holes, designed a wheel lap, punching machine. Workpiece shape shown in Figure 1. Machine appearance shown in Figure 2. The machine Each trip Chong 4 nest (a group of nest) or 4 holes (a group of holes.) 10 consecutive trips can punch all the nest on a workpiece or hole. Workpieces in two clamping, the first folder Punching the hole for the second time, the two times processing all depend on the cylindrical pin inserted on the workpiece, and close the end face of the clamping claw, when the punching hole and the punching hole are put on the corresponding punching and punching Hole die with a large gap, the hole on the workpiece and the hole angle are guaranteed by the mold. 4 punch rod axis and the horizontal angle of up to 77 ° l’36 ", the smallest of 67 ° 23 ’. The machine is a special press It has sufficient strength and rigidity.Automatic indexing, continuous stamping and automatic stop mechanism on the machine can realize semi-automatic operation.After one and a half years of practice, completely