河南郑州塑料制品驱动加工方式141
发表时间:2020-05-08 13:19 注塑模具加(jia)工运动(dong)(dong)(dong)的(de)驱动(dong)(dong)(dong)和(he)驱动(dong)(dong)(dong)力(li)(li)(li)(冲压力(li)(li)(li),模(mo)具的(de)锁模(mo)力(li)(li)(li),材(cai)料的(de)落(luo)锤重,挤压力(li)(li)(li)等)是由成形加(jia)工机(ji)床和(he)设备的(de)动(dong)(dong)(dong)力(li)(li)(li)经传动(dong)(dong)(dong)机(ji)构提供的(de)。 气压成形;主要用于吸塑和吹塑成形加工,即当模具处于固定状态的时候,经气泵使其产生一定的负压将塑料板材直接吸贴于模具(ju)型(xing)面上,形成制件(jian),吹塑则是通过气泵(beng)产生一(yi)定气压(ya)的气体,吹人(ren)热(re)熔态塑件(jian)或热(re)熔态玻璃(li)制件(jian)毛(mao)坯(pi)空腔,使其扩(kuo)展、变(bian)形,并贴附在模具(ju)型(xing)腔表面上,形成制件(jian)。 机(ji)(ji)电驱(qu)动(dong)(dong):如冲压机(ji)(ji)、摩擦压力机(ji)(ji)、辊锻机(ji)(ji)械等(deng),都是由电动(dong)(dong)机(ji)(ji)提供(gong)动(dong)(dong)力和旋(xuan)转运动(dong)(dong),以驱(qu)动(dong)(dong)传动(dong)(dong)机(ji)(ji)构,并通过(guo)滑块等(deng)和模(mo)具(ju)运动(dong)(dong)部分进(jin)行(xing)连(lian)接运动(dong)(dong),以驱(qu)动(dong)(dong)模(mo)具(ju)定向运动(dong)(dong),并把传递的驱(qu)动(dong)(dong)力作用于模(mo)具(ju),使模(mo)具(ju)对材料(liao)进(jin)行(xing)成形(xing)加工。 电液(ye)驱动:即通(tong)过注(zhu)塑成型电动机驱动液(ye)压(ya)(ya)泵或水泵产生(sheng)液(ye)压(ya)(ya)和水压(ya)(ya),并经过液(ye)体的(de)(de)液(ye)压(ya)(ya)输送(song)和控制(zhi)系(xi)统,产生(sheng)一定(ding)的(de)(de)额定(ding)压(ya)(ya)力来(lai)(lai)驱动模(mo)(mo)具的(de)(de)运动部(bu)分(如动模(mo)(mo))相连接的(de)(de)液(ye)压(ya)(ya)缸或者活塞(sai),驱使(shi)动模(mo)(mo)相对(dui)定(ding)模(mo)(mo)来(lai)(lai)进(jin)行定(ding)向平移的(de)(de)运动,再对(dui)材(cai)料(liao)进(jin)行进(jin)一步压(ya)(ya)缩,使(shi)材(cai)料(liao)在进(jin)行成形加(jia)工后成为制(zhi)件 另(ling)外,注(zhu)塑模(mo)具加工(gong)驱动比方说铝合金(jin)的型(xing)材(cai),塑料(liao)(liao)型(xing)材(cai)、片材(cai)或(huo)薄(bo)膜,一般都采用挤(ji)出(chu)成(cheng)(cheng)(cheng)形的工(gong)艺。其(qi)模(mo)具固(gu)定(ding)在机(ji)(ji)头(tou)上,材(cai)料(liao)(liao)以(yi)挤(ji)压(ya)形式通过模(mo)具,对模(mo)具作相对运动而成(cheng)(cheng)(cheng)的各种制件。如(ru)塑料(liao)(liao)型(xing)材(cai)是(shi)依靠(kao)不停的挤(ji)出(chu)机(ji)(ji)器的螺杆的螺旋运动,将塑料(liao)(liao)挤(ji)入模(mo)具并通过模(mo)具的型(xing)面,经冷却定(ding)型(xing)成(cheng)(cheng)(cheng)型(xing)材(cai)。挤(ji)出(chu)的型(xing)材(cai)被牵(qian)引机(ji)(ji)构向(xiang)前牵(qian)引,使(shi)进(jin)行连续成(cheng)(cheng)(cheng)形加工(gong)。 |