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Card stripping device

Author:Xinjinlong Machinery-Fabric Recycling Machine Manufacturer

(1) Requirements for cotton peeling device (1) The structure and uniformity of the fiber layer transferred from Xinjinlong should be maintained, and no neps should be added during peeling. Carding machines are used to process cotton fibers and chemical fibers and belong to textile machinery. According to the spinning process, carding is an important process.

The front process of the carding machine is the opening and cleaning machine, and the latter process is the drawing frame (carding process) or the sliver coiler (combing process). 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. 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. (2) When the process conditions such as sliver quantitative, doffer speed, temperature, raw material properties and blending ratio and other factors change, the stripping mechanism should be able to stably strip the cotton, so that problems such as broken ends or doffer return flowers will not occur. (2) Continuous rotary stripping 1. Roller stripping mechanism Roller stripping is carried out by using stripping rollers covered with saw blades of certain technical specifications for continuous calculation of circular movement.

The four-roller stripping device is composed of a stripping roller 2, a national transfer output roller 4 and a pair of influencing rollers 5 and 6, as shown in Figure 2-20. The stripping roller and the transfer roller are covered with the same different specifications“Mountain”A zigzag saw blade with a tip density of 12 teeth/cm. The saw blade must be capable of effectively stripping the web from the doffer, but also developed to facilitate smoothing and nip rolls pulling the web from the transfer roller.

A velvet reel 3 is placed on the stripping roller, and the stripping roller acts as a transmission due to friction. A limit control switch is installed on each of the two fine pile rollers. When the amount of flowers on the pile reel reaches a certain amount, the core of the pile reel is lifted up, and the circuit of the limit protection switch is closed through the control rod, so that the machine stops. Transfer to ensure information security management and production. The entire stripping device is covered by a cover to prevent flying flowers and impurities from falling.

Figure 1 is Doffer. Most of the fibers in the doffer web of the carding machine are held by the doffer needles and float on the doffer surface. When it meets the stripping roller rotating at a constant speed, the gap between the doffer and the stripping roller is very small (0 125-0. 22Smm), the contact between the roller and the fiber produces friction, plus the adhesion between the fibers, so the fiber is peeled off by the cotton-stripping roller. The surface speed of the stripping roller is slightly higher than that of the doffer. The tension of the cotton web caused by the drafting multiple will not damage the structure of the brocade web, and at the same time, it can increase the adhesion of the cotton web on the stripping roller, so the cotton web can Continuously stripped from the doffer and transferred to the stripping roller.

The role between the transfer roller and the stripping roller is basically similar to that between the stripping roller and the doffer, but there are some differences. The gap between the upper roller and the transfer roller is very small (0.12S-0.22Smm), while the gap between the lower roller and the transfer roller is about 10mm. During spinning up, the cotton web on the transfer roller is peeled off by the frictional adhesion of the nip roller at the upper nip, and is output by the nip.

The tension between the roller and the transfer roller is about 1.123 times, so the cotton web is relatively tight. The size of the back inclination (back angle) of the transfer roller saw window and the direction of the force on the cotton web should be conducive to the separation of the cotton web from the transfer roller. The distance between the upper and lower rollers is very small, and the roller is very heavy, and it has a crushing effect on the impurities in the cotton web, which is convenient for the subsequent process to eliminate.

The upper and lower rollers each have a set of cleaning blades to eliminate flying flowers and impurities on the rollers and prevent the cotton web from being wound on the rollers after the end of the cotton web is broken. Although the four-roller stripping device has a well-developed stripping performance, the mechanism is complicated, maintenance and management are inconvenient, and it occupies a large area of ​​space. Therefore, we have a three-roller stripping device, as shown in Figure 2-21, which consists of a stripping roller 2 and a pair of ginning rollers 3 and 4.


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