It was focused on the automatic vertical bag forming-filling-sealing machine (packaging machine for short) and the exploring the relationship between its stability and action sequence in this study.Therefore,it was concluded that three important factors contributed to restricting the speed of the packaging machine,including the transverse sealing,the filling,and the carrying film action time.Moreover,a specific measure of improving the packaging speed was proposed,i.e.,designing faster transverse sealing driving mechanism and adding a guide plate above the transverse sealing,trying to keep the bulk product dropping together,and changing the general motor to servo motor and etc.Through some practical applications,it was proved that in the premise of guaranteeing the stability of the packaging machine,the packaging speed could be increased by more than 20％.%结合目前常见的间歇式全自动立式制袋充填封口机(简称立式包装机),探讨包装机稳定工作与动作时序设置的关系,总结出制约包装机工作速度的3个重要因素:横封动作时间、下料充填时间和走膜时间,提出提高包装机工作速度的具体措施,比如设计响应速度更快的横封驱动机构并在横封上增加导向板,尽量控制包装物料集中下落,将走膜电机改为伺服电机等.通过实际运用证实,在保证包装机工作稳定性的前题下,可将包装速度提高20％以上.
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