The Function Area And Task Of Carding Machine In Composition

The composition of the modern cotton or carding machine can be divided into five areas of action:

(1) open up

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Use automatic grabbing and picking raw cotton from each cotton bag, arrange the mixture to the front machine for processing.

At present, most of them are straight type automatic cotton picker, and the high speed rotary hatchet moves away from the top of each cotton bag to grab a layer of raw cotton. Then, the driver drops the position and grabs one layer until the cotton bag is caught.

The advantage of this kind of cotton catching machine is that it can arrange more cotton bags, such as 60 cotton bags, and 4~5 grade raw cotton is arranged.

If the hatchet is grabbed from 2 cotton bags at the same time, the blamper can remove the raw cotton from 30 lengths of cotton bales for mixing each time.

(2) coarse clear area.

The machine used is multi bunker mixer.

Raw cotton is mixed in this location after initial clearing.

(3) fine clean area.

Use pig type cotton opener or similar machine.

The cotton block is loosened under the grip of the driver, and the axial distance between the upper blades of the hammer is slightly smaller. The cotton block is made of small volume, good opening and fine impurities.

(4) clean up area.

In the old cotton picker, the three wing comb needle is used, and even some modern cotton pickers have sawtooth handles. The purpose is to make cotton blocks become smaller and become cotton bundles in this location, and further remove fine impurities and neps.

(5),

The carding machine is fed to the area.

There are two ways to feed the needles of the carding machine: cotton feed and cotton roll feeding: when the cotton feed is used, the cotton bushes must maintain a uniform and uniform mass density to produce uniform cotton sliver.

In the feeding mode of the cotton roll, the cotton roll is made into fixed length and fixed weight, and is kept within a certain precision range, so that the cotton can be fed evenly.

Quality requirements for opening and cleaning process

According to the experiments, the quality of cotton bundles was roughly 0.1mg (equivalent to 16 fibers gathered together) when the cotton opener was used to open the raw cotton. The repeated loosening and processing did not significantly reduce the quality of cotton bundles, but increased fiber loss and damage.

The cotton cleaning unit can only remove impurities from 40%~70% in raw cotton.

The specific results are determined by the impurity content of the raw cotton, the machine spacing and the production environment.

Raw cotton contains more impurities and more impurities.

The machine's noil includes two parts: falling and mixing, and fiber dropping. In general, fiber dropping accounts for about 40%~50% of noil.

The task of carding machine

The task of carding machine is:

(1) opening loose cotton bundles into single fibers: since the cotton cleaning machine can only be made of raw cotton into cotton bundles, the carding machine must continue to loose the cotton bundles into a single fiber state.

This is necessary to remove fine impurities and carry out the drafting process.

In fact, most of the cotton bundles and even neps are combed out in the area of the carding machine and the Xilin cover area, and only a small number of flowers are removed from the cover plate.

(2) removal of impurities and short linen: the task of removing impurities is mainly undertaken by the needle roller area. It can remove 50%~60% from the cotton feeding layer, and a small amount of dust will enter the cover plate to get rid of it or fall out in other parts.

Because the impurity removal efficiency of modern carding machine is about 80%~95%, the impurity removal efficiency can reach 95%~99% by the open cotton cleaning and carding machine. Finally, the impurity content in the carding strip is only 0.05%~0.3%.

The carding machine also removes dust gathered on the fiber, which is removed when the needle is combed.

It also removes part of the short fibre and short fiber. In the process of carding in Xilin covered area, the contact area between the long fiber and the cylinder needle is more than that of the prison guard. The short fiber and short fiber often stay on the cover pin teeth and are pressed into the needle teeth to form the cover plate flowers and be removed.

Half of the flowers are made up of these short fibers and short fibers.