Ton bag sewing equipment-Treatment of dripping oil at needle rod

In order to catch up with the output value, sewing workers often adjust the sewing speed very quickly. Because of the normal wear and tear of the ton bag sewing equipment during use, it is often necessary to drop oil down at the needle rod. Open the cover and find that the cotton pad with one ring of needle rod is completely immersed in oil. Check the engine and find that the amount of oil at the needle rod is not roughly adjusted. The needle rod crank is injected normally by using test paper. It can be said that the amount of oil is still a little small, but where does the oil come from?

Careful investigation shows that the oil return at the needle rod not only has no effect on oil return but also flows backward from the return line to the needle rod. When the seam speed of the ton bag sewing equipment is very fast, more oil will flow back from the return line to the needle pin. Because no solution was found, the eager solution was to pull the return line off the oil pump and then reduce the amount of oil at the needle rod to a small point, temporarily dealing with the problem of the needle rod leaking downwards. But after a long time, doubts arose again. The noise and wear of the machine were very severe because there was no oil supply at the front of the head and the sewing speed was very fast. Later, a new oil pump was purchased and replaced, and the return line was inserted from the beginning. The return oil was normal and the oil was no longer reversed from the return line to the needle rod. I don't know what the elements are. Other machines in the workshop show this defect successively. It is assumed that we will still buy new oil pumps and replace them. The cost goes on without saying that communication is also a long time to go. Is there a very good way to deal with it?

After finding out the key elements, the author tries to wrap the raw material tape around the impeller column with an oil pump (need to open the piston pump part) and wrap the raw material tape around the steering wheel of the impeller. Because the raw material tape is still very lubricated after being wrapped tightly, the fastness is also possible and it should be very wear-resistant. After a period of application, feel the return oil is still very weak, the cotton pad with needle bar circle is very white, no more oil is leaking downwards.

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