Basic Process of Shuangli Wire Industry"s Spinning Process

Cotton cleaning process: one set of equipment, two person two shift system, and one machine repair person

(1) Opening: Loosening compressed raw cotton into smaller cotton lumps or bundles to facilitate smooth mixing and impurity removal.

(2) Cotton cleaning: Remove most impurities, defects, and short fibers that are not suitable for spinning from the raw cotton.

(3) Cotton blending: Mix raw cotton with different components thoroughly and evenly to ensure the stability of cotton yarn quality. (4) Roll: Produce a cotton roll with a certain weight, length, uniform thickness, and good appearance.

2. Names and functions of main machinery

(1) Cotton mixing machine: Automatic bag grabbing machine, consisting of 1-2 beaters and a cotton grabbing cart for some reason, grabs multiple bags of mixed raw cotton on the platform and transports it to the front using airflow, while also playing a cotton opening role.

(2) Cotton box machinery: The cotton box cleaning machine (high-efficiency cotton box, A006B, etc.) continues to mix, loosen the cotton block, remove large impurities such as cotton seeds and seed cotton, and control the conveying amount of raw cotton.

(3) No. 43 cotton box (A092), with small cotton lumps opened, has good cotton homogenization and loosening effects.

(4) Hammer machine: ① A millipig type cotton opener (A036), which performs intense cotton opening and impurity removal, removing medium impurities such as broken seeds. ② The vertical cotton opener has intense opening and impurity removal effects, but it is prone to damage fibers and produce neps. At present, flower cleaning is generally not used in the process (it can be used as a raw material for processing or for seed breaking treatment) A035 mixed opening cotton machine combines the performance of cotton box machinery and beater machinery, and has an air flow impurity removal device, which has good mixing, opening, and impurity removal effects. ④ A single pass cotton cleaning machine (A076, etc.) continues to loosen and sort the raw cotton, removing smaller impurities, and making cotton rolls with uniform thickness and weight that meet certain specifications.

Carding process "Four person two shift system, sixteen machines, two machine maintenance personnel"

(1) Carding: Decomposing cotton blocks into single fiber states to improve fiber straightness and parallelism.

(2) Remove impurities: Remove small impurities and short fluff from the cotton roll.

(3) Mixing: To further mix the fibers thoroughly and evenly.

(4) Strip: Produce cotton strips that meet the requirements.

2. Main mechanical names and functions:

(1) Take-in roller: The tooth tip plays a striking and loosening role on the cotton layer, holding and combing, removing impurities and short fibers from the cotton roll, and initially straightening the fibers. The tooth tip takes away the fibers and transfers them to the cylinder.

(2) The cylinder and cover plate ① freely distribute the fibers that have been loosened by the take-up roller, making them in a single fiber state with uniform mixing effect. ② Remove small impurities and short fibers remaining in the fibers Produce a high-quality fiber layer and transfer it to Dove.

(3) Dove: ① Peel the fibers from the tin cylinder and condense them into a good cotton mesh. ② By using pressure rollers and coil devices, uniform cotton strips are made.

Strip and roll process

1. Blending and stretching: Generally, 21 fibers are combined and stretched to improve the straightness and equality of fibers in small rolls.

2. Rolling: Make small rolls of specified length and weight, with flat edges and clear layers when unwinding.

The main tasks of the combing process are:

1. Impurity removal: Remove neps, impurities, and fiber defects from the fibers.

2. Sorting: Further separate the fibers, eliminate short fibers below a certain length, and improve the length uniformity and straightness of the fibers.

3. Draft: Stretch the cotton sliver to a certain thickness and increase the parallel straightness of the fibers.

4. Slips: Produce cotton strips that meet the requirements.

Drawing process "Four people, two shifts, ten machines, one machine maintenance person"

1. Blending: Generally, 6-8 cotton slivers are used for merging to improve the unevenness of the long segments of the cotton slivers.

2. Draft: elongate and refine the cotton sliver to the specified weight, and further improve the straightness and parallelism of the fibers.

3. Mixing: By using blending and stretching, the fibers are further evenly mixed. Cotton slivers with different labels, processing techniques, and cotton chemical fiber blends can all be blended using a cotton sliver blending method on a drawing frame.

4. Strip forming: Make a well formed and well formed strip, and place it in a cotton strip barrel in a regular manner for use in subsequent processes.

Main tasks of the roving process: "Four people, two shifts, four machines, and two machine maintenance personnel"

1. Drafting: Evenly elongate and refine the cooked strip, and further straighten and parallel the fibers.

2. Twisting: Properly twist the stretched strand back to give it a certain strength, which facilitates the winding of roving and unwinding on the spinning machine.

Spinning process: "Two shifts of sixteen people, sixteen machines, two machine maintenance personnel"

1. Draft: Fine the roving to the desired fineness, making the fibers straight and parallel.

2. Twisting: Twist the strands back into a fine yarn with a certain twist and strength.

3. Winding: Wrap the twisted yarn onto the bobbin.

4. Forming: Produce tube yarns of a certain size and shape for easy handling and subsequent processing.

Winding yarn process: "Twelve person two shift system, four machines, two machine maintenance personnel"

1. Winding and forming: The tube yarn (thread) is wound into a large capacity, well formed, and high-density tube.

2. Impurity removal: Remove some defects and impurities on the yarn to improve its quality.

Twisting process: "Eight people, two shifts, sixteen machines, two machine maintenance personnel"

1. Twisting: Two or more single yarns are combined and twisted to produce high strength and well structured strands.

2. Winding: Wind the twisted strand onto the bobbin.

3. Forming: Make pipelines of a certain size and shape for easy handling and subsequent processing.

Packaging process master: "Two person, two shift system"

The bobbin yarn (thread) is packed into a certain volume of small, medium, large, and bobbin packages according to the specified weight, number of balls, number of pieces, etc., for easy storage and handling.