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全自动点胶机更换胶管应注意什么?

2018-04-06 19:27:10 【东智精密】   来源: xiexuhui     阅读

全自动点胶机成功点胶取决于合适的胶体流动路径, 从胶管到点胶针头所有的浸湿部分均不含气泡。气泡是导致拉丝、滴漏、胶点空洞和胶点重量变化等点胶不一致问题的根本原因。而气泡通常是在更换胶管和填充过程中注入到胶体的流动路径中产生的。
The successful dispensing of the automatic glue dispenser depends on the proper flow path of the colloid, and all the wetting parts from the rubber tube to the point glue needle do not contain bubbles. The bubble is the root cause of the inconsistency between the drawing, the dripping, the cavity of the glue point and the change of the weight of the glue point. Bubbles are usually produced in the flow path that is injected into the colloid during the replacement of the hose and the filling process.

全自动点胶机

所以在更换胶管时,注意不要把空气引入到胶体通道中。如果胶管中有空气残留,而你又确定空气没有通过胶管进入点胶泵中,则请按下列步骤更换胶管:
So when replacing the hose, be careful not to introduce the air into the colloid channel. If there is air in the hose, and you are sure that the air does not enter the glue pump through the hose, please replace the hose according to the following steps:

关闭点胶机,打开门,从胶管上卸下冷却套,卸下气压头,拆除胶管。请确认90°的弯管配件还附着在点胶阀上。胶管卸下后,点胶阀 锁定转接头底部会产生一小段空腔。请使用旧胶管中的胶体填充这段空腔,并检查锁定转接头中是否存在气泡。如果有气泡,请使用新的胶管填充这段空腔,并检查新的胶管是否存在气泡。如果有气泡存在的话,请使用另一个胶管。
Turn off the glue machine, open the door, unload the cooling jacket from the hose, unload the pressure head, and dismantle the hose. Please confirm that the elbow fittings at 90 degrees are attached to the glue valve. After the rubber tube is unloaded, a small cavity will be produced at the bottom of the locking head of the glue valve. Please use the colloid in the old hose to fill the cavity and check whether there is a bubble in the locking head. If there is a bubble, please use the new hose to fill the cavity and check whether the new rubber hose has bubbles. If there is a bubble, use another hose.

卸下新胶管的盖帽,保持胶管末端向下,让胶体完全地填满胶管底部,连接胶管和点胶阀,锁定转接头。如果胶体溢出到配件外,请擦拭干净。重新安装气压头。重新安装胶管冷却套。关闭点胶机门,重新启动设备。
Remove the cap of the new hose, keep the end of the hose down, fill the bottom of the hose completely, connect the hose and the glue valve, and lock the switch head. If the colloid is overflowed to the accessories, wipe it clean. Reinstall the pressure head. Reinstall the hose cooling jacket. Turn off the glue door and restart the equipment.

另外,排胶要有足够时间,使新胶管中的胶体顺利流出点胶头,确认点胶阀的压力和速度按照理想状态设定,然后测定胶体流速,直至连续两次测量结果的误差在正负2%范围以内。
In addition, there should be enough time to discharge the gel, so that the colloid in the new hose will flow out smoothly. The pressure and speed of the dispensing valve should be determined according to the ideal state, and then the colloid flow rate should be measured. Until the error of two consecutive measurements is within the range of positive and negative 2%.

如果存在以下情况,不要使用简易的胶管更换方法:
If there are the following conditions, do not use simple rubber hose replacement method:

自动点胶机在运行过程中,胶管中胶材已经用完,该情况下点胶阀中很可能有空气存在。胶管中的胶材已经超过了使用期限,出现以上任何情况,操作人员必须彻底清洁并干燥点胶阀或点胶泵,并遵循配置步骤。
In the operation of the automatic glue dispenser, the glue in the hose has been used up, and in this case, there is a very likely presence of air in the dispensing valve. The rubber material in the rubber hose has passed the service life. If any of the above occurs, the operator must thoroughly clean and dry the dispensing valve or dispensing pump, and follow the configuration steps.



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