The process flow and function of carding machine



The process flow and function of carding machine (1) Cotton feeding and licker-in parts. The main functions of the cotton feeder and licker-in part are to feed the cotton layer int…

The process flow and function of carding machine

(1) Cotton feeding and licker-in parts.
The main functions of the cotton feeder and licker-in part are to feed the cotton layer into the machine, hold and comb the cotton layer, and remove impurities and short lint.
Cotton feeding The holding effect of the cotton feeding part directly affects the carding effect of the licker-in, so it requires firm grip, even horizontal grip, and appropriate grip force. Otherwise, the licker-in will be unevenly carded in the transverse direction, the cotton layer in the weakly held areas will be of poor carding quality, and the cotton bundles will not be fully decomposed.
lick-in roller The carding magazine function of the lick-in roller part. The main function of the licker-in part is to use the serrations on the surface and the serrations on the surface of the licker-in carding plate to pierce and comb the cotton layer and remove impurities and short lint. The carding quality directly affects the carding quality of the cylinder cover plate, and is closely related to the number of neps and impurities in the raw sliver, the evenness of the sliver and the degree of fiber damage. The main factors that affect the carding effect of the licker-in roller are: licker-in speed, cotton feeding plate technology, licker-in tooth specifications, carding plate technology, etc.
(2) Cylinder, cover plate and doffer part.
The cylinder, cover plate and doffer part are mainly composed of cylinder, rotary cover plate, front and rear fixed cover plates, doffer, front and rear cover plates and large drain bottom. The fibers that have been initially carded by the licker-in roller are further carefully combed between the cylinder covers to remove some small impurities and short lint. The doffer condenses the fibers carded by the cylinder covers into fiber layers, and the fibers are carded. And complete the uniformity and mixing effect during the coagulation process.
(3) Stripping and looping parts.
The function of the stripping device is to strip the fiber layer condensed on the surface of the doffer into a web.
The function of the coiling device is to pull and compress the sliver output from the large pressure roller through the small pressure roller, and then coil it into the sliver can through the coiler.
(4) Card clothing.
The cylinder, cover plate and doffer surface of the carding machine are covered with needle teeth of different specifications and models. This covering is called card clothing. In order to ensure good carding, impurity removal and uniform effects, the card clothing should have the following properties: 1. Good puncture ability and certain holding ability. 2. Good transfer ability. 3. Good ability to absorb and release fiber. 4. The needle teeth should be sharp, clean, and wear-resistant, and the needle surface should be flat.
(5) The relationship between carding machine and carding quality
The task of the carding process is completed by the carding machine. The degree of separation of the cotton bundles into single fibers on the carding machine and the yarn strength and The evenness is closely related; the effect of its impurity removal function determines the nep impurities and evenness of the yarn to a large extent; the carding machine has a high noil rate in each unit of the carding system, and the noil contains a certain amount of Amount of spinnable fiber, so the quantity and quality of carding machine waste are directly related to the amount of cotton used.
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