Carding machine to prevent sticking

Sticky roll is a prominent environmental problem in chemical synthetic fiber spinning, which is very harmful. It directly affects the uneven weight of the sliver, and it is easy to cause winding around the card on the carding machine, and even crush the card clothing. Therefore, we Must be constantly analyzed attention and prevention. Special equipment for the textile industry on the winder. As the last process of spinning and the first process of weaving, winding is the link between the past and the next.“bridge”Therefore, it occupies an important position in the textile field.

Grinder A spinning machine that turns fiber strands into rovings. The main function is to draft and twist, and to wind the roving into a certain package to meet the processing requirements of the spinning frame. The structure of the double twisting unit of the double twisting machine mainly includes the spindle braking device, the spindle part of the double twisting machine, the yarn winding device, and the special device of the double twisting unit.

The reason why chemical fiber rolls are easy to stick and roll is that chemical and fiber cell surfaces are smooth, and there is no natural crimp that cotton fibers have. In the process of opening and cleaning, due to students' combing and blowing, this kind of curl is prone to gradually begin to decrease. Therefore, the cohesion between fibers is small, and chemical fibers (such as polyester) have high resilience after compression, so that the density of the fiber layer is relatively small. It also greatly weakens the cohesion between fibers; polyester fiber has poor hygroscopic performance and has a large friction correlation coefficient with metal. During the process of opening and elimination, a kind of static electricity is generated due to friction due to the action of brad nails, typing, etc., because different fibers have the same charge. Repel each other, so that the cohesion between fibers is small. For these reasons, the fibers in the fiber layer are also very simple and easy to realize. Therefore, when the chemical fiber rolls are decomposed on the carding machine, the layered management is not clear, that is, sticky rolls occur.

After careful study and observation, the sticky roll is generally the inner side of the unwinding layer that sticks to the outer surface of the unwinding layer. The main technical measures to prevent sticking are as follows: 1. Using the concave-convex roller anti-sticking device, a pair of concave-convex rollers that students are actively rotating can be installed behind the monitoring pressure roller company, as shown in Figure 2-57, so that the dust cage can output Before entering the compacting mechanism of the compacting roller, the cotton layer is rolled into grooves by the concave-convex roller, so that the inner and outer layers of the fiber lane are not clear, so that a better anti-sticking effect can be obtained. 2. Using a single dust cage to condense fibers When the double-layer dust cage concentrates fibers, the upper and lower dust cages and the concentrated fiber layer rotate together with the dust cage.

After the fiber layer passes through the holding points of the upper and lower dust cages, the distance between the corresponding points of the upper and lower dust cages gradually increases, and the adhesion between the fiber layers and the respective dust cages is delaminated. Although the upper and lower fiber layers are tightly compressed and pressurized, they are still difficult to join together. For example, the thickness of the fiber layer is concentrated from the upper and lower dust cages, and the closer it is to the same, the more likely it is that delamination will occur, resulting in sticking.

In order to reduce the number of bonding fibers in the lower dust cage and keep the ratio of bonding fibers in the upper and lower dust cages at about 7:3, a single bonding fiber is used in the production, namely the left and right sides of the lower dust cage. The air duct is sealed and closed under the dust cage to absorb the bonding fibers, which has a significant effect on preventing bonding. This is because during molding, the dust cage compresses the fiber layer to the inner layer. Since the inner layer is thicker, the bonding force between the fibers is strong. Therefore, when the inner layer fibers are unwound on the carding machine, the inner layer fibers are not easy to be wound. Adhere to the outer layer of the unrolled chemical fiber roll to prevent the occurrence of sticky rolls. According to the above reasons, special equipment for chemical fiber processing is designed, and a single dust cage is used to concentrate fibers.

It must be pointed out that the suction of the dust cage will weaken the suction of the dust cage, so it is necessary to increase the fan speed to ensure that the cohesive fibers of the dust cage are normal.

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