Production method of spun viscose compact siro spun yarn
A technology of siro spinning and production method, which is applied in the direction of spinning machine, yarn, textile and paper making, etc. It can solve the problem of poor straightening parallelism of combed sliver, high evenness CV% value, poor sliver compactness, etc. problems, to achieve the effect of improving straightening parallelism, evenness and smoothness, and compact structure
Active Publication Date: 2017-11-17
焦作市汇百川纺织有限公司
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Problems solved by technology
[0003] However, in the current compact siro spinning, the twist of the two rovings is 20% lower than the twist of the ply yarn. In addition, there is still a twist-free triangle area in the forming process of a single roving, and the loss of fibers in the drafting system and the formation of a single There is a lot of loss before the root roving. In the cotton carding process, there are many fiber damages, high short-lint rate, poor straightening parallelism of combed sliver, poor yarn sliver compactness, high evenness CV% value, and low quality. Poor quality, belonging to relatively low-end products
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[0022] Such as figure 1 , 2 , shown in 3, the production method of spinning viscose compact siro spun yarn of the present invention, described spinning viscose compact siro spun yarn is woven into yarn by viscose fiber by compact siro spinning production process, and Compared with the traditional spinning process, the viscose compact siro spinning yarn has a low short-lint rate, less fiber damage, high straightening parallelism, good compactness of the sliver, and improved yarn quality;
[0023] The compact siro spinning production process includes a cotton opening and cleaning process, a carding process, a roving process, and a spun yarn process, which are processed by the following sequentially connected equipment: disc plucking machine, front cotton opening machine, cotton mixing machine, rear opening machine, etc. Cotton machine, lapping machine, carding machine, first draw frame, second draw frame, roving frame, spinning frame, automatic winder;
[0024] Its models are ...
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The invention discloses a production method for spinning viscose compact siro spun yarn. The yarn is woven from viscose fiber through the compact siro spinning production process; Spinning process; in the opening and cleaning process, the speed of the carding needle beater is 480r / min; in the carding process, the cylinder speed of the carding machine is 330r / min, the speed of the licker-in roller is 800r / min, and the line speed of the cover plate is 81mm / min. The doffer speed is 20r / min; the roving process, the evenness of the yarn spun by the roving frame is spun by multiple fine yarns by "V" drafting; the spinning process, the drafting area of the spinning frame, the middle and rear roller clamps The yarn sliver between the openings forms an encircling arc for the rear bottom roller and the middle and upper rollers respectively, so that the rear area is in a curved draft state; the suction area of the gathering area of the spinning frame is equipped with a suction pipe, and the suction pipe is equipped with several suction double grooves. The maximum distance between two suction slots is 8-10mm. The upper slot width of a single suction slot is 5-7mm, and the lower slot width is 3-4mm.
Description
technical field [0001] The invention relates to the technical field of textiles, in particular to a production method for spinning viscose compact siro-spun yarns. Background technique [0002] Siro spinning, also known as parallel twist spinning, is called AB yarn in China, and it is officially named Siro spinning recently. The spinning mechanism of compact siro spinning is that two rovings are fed into the same drafting mechanism of the ring spinning machine in parallel through the double bell mouth at a certain distance, and are drafted simultaneously in a parallel state, and come out from the clamping point of the front rollers and enter the accumulation area . There are double grooves in each spinning position and the surface of the special-shaped tube in a negative pressure state is covered with a mesh ring, and the mesh ring is driven by the output roller friction. The two whiskers output by the front roller are absorbed by the negative pressure at the position corr...
Claims
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IPC IPC(8): D02G3/02D01H5/22D01H5/72
Inventor 余保林
Owner 焦作市汇百川纺织有限公司