M0210:1模块;
M0210:1模块;
M0210:1模块
1#炼胶中心的2#XHM140开炼机是风神轮胎股份有限公司建厂时的批炼胶设备,虽然经历了四十多年的风风雨雨,但仍发挥着余热。由于受当时的条件所限,2#XHM140开炼机在安全防护方面做得不太理想,主要表现在
丝杠
、导胶辊、压胶辊均不受安全绳开关的控制,导胶辊虽然有单独的急停按钮,然而实际效果并不好,如果发生操作人员不慎将手臂压在导胶辊和压胶辊之间的安全事故,操作人员是无法拍到放置在设备两侧的急停按钮,能够拉到的安全绳开关却又不控制导胶辊。同时2#XHM140开炼机还存在控制线路老化的问题,设备状态极不稳定,许多问题迫在眉睫。 本技术利用两个可编程控制器和3个传感器在设备控制线路上实现开炼机导胶辊的安全操作和标准化作业过程,当操作人不按标准化作业,程序不会执行压胶辊下压的动作,只有操作人按规定要求先启动导胶辊,将胶料放在导胶辊上,压胶辊才能下压。同时解决部分职工图省事、赶任务,不按工艺要求打扭,减少炼胶时间,影响胶料质量等问题。避免改造前,压胶辊可以随便下压的状态下,上胶时有可能挤伤操作人手臂的风险,降低作业人发生伤亡事故。通过对
控制柜
加装可编程控制器,简化了控制线路,减少了设备元件,实现了设备的安全动作过程,不但使安全绳开关控制了设备上所以的转动部位的急停,还实现了更多的功能。如导胶辊上面无胶时,操作人员按动压胶辊下压按钮,程序不会执行,防止操作人员上胶时被压伤。只有先往导胶辊上上胶,压胶辊才能下压。当操作人员下片时,导胶辊上的胶料脱离,过一小段时间,压胶辊自动上台,导胶辊自行停止,减少设备的转动部位,既实现了安全也达到了节能的目的。同时,可编程控制器上的面板对维修工处理故障也提供了很大的帮助。如果设备出现故障,可通过面板上的提示,很快找到故障点,减少停机时间,提高工作效率。
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