What are the applications of spinning machine accessories in the spinning process
Information summary：The core role of spinning machine accessories in the spinning process is to ensure the continuous operation of the spinning process (from raw materials to yarn), improve yarn quality and production efficiency. Different accessories correspond to the key functional requirements of each spinning process.
The core role of spinning machine accessories in the spinning process is to ensure the continuous operation of the spinning process (from raw materials to yarn), improve yarn quality and production efficiency. Different accessories correspond to the key functional requirements of each spinning process.
1. Cleaning and combing process: raw material pretreatment and combing
This process requires loosening, removing impurities, and combing the raw cotton (or synthetic fiber) into a cotton net. The core components and applications are as follows:
Hand and blade: such as the saw toothed hand of a cotton opener and the comb needle hand of a cotton cleaning machine, used to tear and loosen raw materials into bundles, while removing impurities (such as cottonseeds and short fibers) from the raw materials through blade impact.
Carding machine needle cloth: divided into Xilin needle cloth and Dove needle cloth, the fibers are combed into uniform and clean single fiber layers through fine comb needles, preparing for subsequent stretching. The density of the needle teeth directly affects the uniformity of the cotton mesh.
Dust removal accessories: such as dust filters and suction ducts, timely remove short fibers and dust generated during the cleaning process, avoid polluting fiber raw materials, and improve the workshop environment.
2. Drawing process: fiber stretching and mixing
The drawing process requires merging and stretching multiple cotton strips to a uniform fineness, and the accessories mainly serve for "uniform stretching" and "stable conveying":
Roller and rubber roller: Roller (made of metal material) is paired with rubber roller (made of elastic rubber material) to form a stretching mechanism. Through the combination of rollers at different speeds, the cotton strip is stretched and thinned. The elasticity of the rubber roller ensures stable fiber grip and reduces fiber damage.
Guide roller and horn mouth: The guide roller guides the cotton strips into the stretching mechanism in an orderly manner, avoiding entanglement of the cotton strips; The horn mouth gathers multiple cotton strips into a bundle, ensuring neatness during merging and improving the uniformity of the cotton strips.
Cleaners: such as roller cleaning leather rings and rubber roller cleaning scrapers, can remove short fibers attached to the surface of rollers and rubber rollers in real time, preventing them from adhering to cotton strips and forming yarn defects.
3. Roving process: preliminary twisting and winding
This process requires further stretching of the merged cotton strips and adding a small amount of twist to make coarse yarns. The accessories focus on "twisting" and "winding forming":
Ingot wing and spindle: When the ingot wing rotates, it provides twist for the yarn, causing the fibers to embrace each other; The spindle drives the yarn tube to rotate, and with the lifting and lowering of the spindle wings, the yarn is evenly wound on the yarn tube, forming a package that conforms to the subsequent fine yarn process.
Drawing gear: By adjusting the gear tooth ratio, the drawing ratio of the roving is controlled to adapt to the requirements of different fineness of the roving, ensuring the quantitative stability of the roving.
Tension device: such as tension discs and tension springs, adjust the tension of the yarn during the winding process to avoid excessive tension causing yarn breakage or insufficient tension causing loose packaging.
4. Fine yarn process: stretching and twisting (key to yarn formation)
The fine yarn process is the core of spinning, which requires stretching the coarse yarn to the target fineness and adding sufficient twist to make yarn. The accessories directly determine the quality of the yarn:
Steel collar and wire ring: The steel collar is a circular track, and the wire ring rotates with the yarn on the steel collar. On the one hand, it twists the yarn, and on the other hand, it guides the yarn to be evenly wound on the spindle; The materials (such as ductile iron for steel rings and high carbon steel for steel wire rings) and precision of both affect the uniformity of yarn twist and breakage rate.
Roller and rubber roller (special for fine yarn): Compared with the drawing process, the roller speed of fine yarn is higher and the precision requirements are stricter. When combined with a special high elasticity rubber roller, it can achieve the stretching of coarse yarn and ensure that the yarn fineness meets the standard (such as stretching from 300tex of coarse yarn to 10tex of fine yarn).
Head breakage detector: such as photoelectric sensors, real-time monitoring of whether the yarn is broken. Once a head breakage is detected, the equipment is immediately controlled to stop, reducing ineffective operation and facilitating workers to connect, thereby improving production efficiency.
5. Winding process: yarn winding and quality inspection
This process requires winding the yarn on the fine yarn spindle into a large package (tube yarn) and removing yarn defects. The accessories focus on "winding forming" and "quality screening":
Groove tube and tube frame: The groove tube drives the tube to rotate through the spiral groove on the surface, winding the yarn in a cross winding manner around the tube, forming a compact and easy to unwind tube yarn; The tube holder is used to fix the tube and ensure its stability during the winding process.
Electronic yarn cleaner: detects yarn defects such as coarse knots, details, and cotton knots through optical or capacitive sensors. Once non-conforming yarn segments are found, the cutter is immediately controlled to cut the yarn and automatically connect it, improving the quality and qualification rate of the finished yarn.
Tension controller: such as a magnetic powder brake, to correctly adjust the tension of the yarn during the winding process, avoid stretching deformation or breakage of the yarn due to tension fluctuations, and ensure uniform winding density of the tube yarn.
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Company Address：Zhangjiaqiao, Xinzhuang Town, Changshu City
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