76results about How to "Guarantee the quality of spinning" patented technology

The invention relates to spinning equipment, in particular to a semi-continuous high-speed spinning machine. The semi-continuous high-speed spinning machine comprises a rack, a glue supply device, a strip forming device, a spinning device and a winding device, wherein a spinning roller of the spinning device is horizontally arranged relative to an operating surface of a spinning surface. The operating surface of the spinning surface is a horizontal working surface in a spinning surface area, and the fact that the spinning roller is horizontally arranged relative to the operating surface of the spinning surface refers to that the spinning roller is horizontally installed relative to spinning workers when the spinning workers face towards the winding device. According to the semi-continuous high-speed spinning machine, the spinning roller is horizontally arranged relative to the operating surface of the spinning surface, and two ends of the horizontally arranged spinning roller are fixed, so that the spinning speed can be increased on the basis of the semi-continuous high-speed spinning machine, the spinning roller is ensured to rotate stably without shaking, and the problems of intertwining and breakage of strips caused by shaking of the spinning roller during spinning are solved.

The invention relates to a spinning process of bamboo-like flat filaments produced by a semi-continuous high-speed spinning machine and belongs to the technical field of spinning of semi-continuous spinning machines. The spinning process comprises glue supply, filament strip forming, spinning and winding. The spinning process is characterized in that the glue supply is achieved through a glue supply device which comprises a metering pump, a glue supply tube and a filter; the metering pump is connected with a frequency converter which is used for controlling the amount of the glue supply of the metering pump; the frequency converter controls the metering pump to perform intermittent glue supply; the spinning is achieved through a spinning device which comprises at least one spinning roller which is horizontally arranged relative to an operating surface of a spinning surface; and filament strips surround the spinning roller to achieve drafting, solidification and deacidification in the spinning processes under the rotation of the spinning roller. The spinning process of the bamboo-like flat filaments produced by the semi-continuous high-speed spinning machine has the advantages of solving the problems that the filament strips of the semi-continuous spinning machines are inadequate in response, so that the spinning speed cannot be improved and the production efficiency and product quality cannot be integrated, enabling the arrangement direction of the spinning roller to be changed to enable the spinning speed of the spinning machine to be improved and enabling the high quality bamboo-like flat filaments to be spun out.

The invention relates to a spinning technology of a semi continuous high speed spinning machine, belongs to the technical field of semi continuous spinning machine spinning, and comprises the steps of glue supplying, filament forming, spinning and winding, wherein the spinning is accomplished by a spinning device which comprises one or more spinning rollers arranged on an operating surface corresponding to the spinning surface, the filament winds around the spinning roller, the drafting, solidification and deacidification of the spinning step are accomplished under the rotation of the spinning roller. According to the spinning technology provided by the invention, the problems that the spinning speed can not be accelerated and dual attention to the working efficiency and the product quality cannot be given, caused by the insufficiency reaction of the semi continuous high speed spinning machine filament, are solved, the changing of the spinning roller distribution direction enables the spinning machine to accelerate spinning speed and reserve the structure of other parts of the conventional device, the filament to walk farther, and the reaction of the filament and the acid bath to be more efficient, both the working efficiency and the product quality are considered.

The invention discloses a cone yarn carrying steering mechanism which comprises a frame, a cone yarn supporting mechanism, a steering transmission mechanism and a driving mechanism. A supporting portion which can just contain cone yarn is formed on the cone yarn supporting mechanism and can be just in corresponding linkage with the tail end of a conveyor belt of cone yarn outputting equipment. A steering shaft is fixedly connected to the lower end of the cone yarn supporting mechanism and can rotate around a vertical shaft to be inserted into the steering transmission mechanism. The steering transmission mechanism can be installed on the frame in a lifting mode in the longitudinal direction. The driving mechanism drives the steering transmission mechanism to ascend or descend. The steering transmission mechanism ascends and descends to drive the steering shaft to rotate forwards or reversely by 90 degrees in a reciprocating mode. The cone yarn carrying steering mechanism is simple in structure and ingenious and does not occupy large space, ascending, steering and conveying of the cone yarn to the next working procedure can be automatically achieved at the same time, the production efficiency of the spinning technology is effectively improved, manual operation is avoided, damage to the cone yarn is avoided, and the spinning quality is ensured.

The invention relates to a production method of superfine high count yarn. According to the technology, fiber sequentially goes the procedure of cotton grabbing, dedusting, heavy article impurity removing, cotton opening, cotton condensing, cotton combing, strip combining and rotor spinning yarn. The quality of superfine high count yarn reaches the quality of ring spinning. The production method of superfine high count yarn has the characteristics of high speed, high yield, large coiling block, short technology of rotary spinning, ensures spinning quality and improves the spinning speed at the same time.

The invention discloses an automatic cotton cleaning device for a spinning machine suction box, which mainly comprises a cotton sucking flute pipe, a flute pipe air collecting pipe, a flute pipe air collecting pipe inlet, a broken-end strand suction box, a broken-end strand filter net, a centrifugal fan and fiber aggregation negative pressure pipe, a negative pressure air collecting pipe, a negative pressure air collecting pipe inlet, a negative pressure suction box, a hair filter net, a negative pressure centrifugal fan, an automatic cotton cleaning delivery pipe, a negative pressure valve, an automatic cotton cleaning air sucking pipe, a storage tank and a filter net, wherein one end of the automatic cotton cleaning delivery pipe is connected with the hair filter net, while the other end is connected with the storage tank through the negative pressure valve; and one end of the automatic cotton cleaning air sucking pipe is communicated with the broken-end strand filter net, while the other end is communicated with the storage tank and is provided with a filter net. During doff stop, the cotton is not needed to be specially cleaned manually, and the whole device is simple in structure, and is time-saving and labor-saving for cleaning the cotton.

The invention discloses a bubble electrostatic spinning system for preparing a composite fiber material. A spinning cylinder and an air cylinder in an internal-external nested manner are adopted as spinning devices; different solutions are separated and conveyed to the closed spinning cylinder through a first liquid conveying pipeline; and the solutions are uniformly mixed through the rotation of the air cylinder to realize batch production. A liquid supply device is closed, the property change of the spinning solution is avoided, the spinning quality is guaranteed, and environmental pollution is reduced. The spinning holes in the spinning cylinder are designed in equal-interval vertical axial arrangement, and mutual influence of bubbles generated at any adjacent spinning holes is effectively avoided; and meanwhile, at least one vent hole stays on the same horizontal plane with the spinning holes so as to guarantee normal spinning at each spinning hole and improve the yield of the micro-nano composite fiber material. A receiving device is arranged in a roller manner and circles the spinning cylinder, so that the fiber receiving area is effectively increased, and continuous batch production is possible.

The invention relates to a novel semi-continuous high-speed spinning machine which comprises a rack, a glue supply device, a filament strip forming device, a spinning device and a winding device. The spinning device comprises a spinning roller which is transversely arranged relative to the operating surface of a spinning face, and the two ends of the spinning roller are fixed on the rack. The novel semi-continuous high-speed spinning machine improves spinning speed, ensures that filament strips are sufficiently reacted, and then achieves the purposes of ensuring the quality of the filament strips, improving production efficiency and reducing spinning cost.

The invention discloses a yarn head keeping device for a tail yarn removing machine. The yarn head keeping device comprises a sucking and breaking device, a driving device and a detecting device, wherein the sucking and breaking device comprises a negative pressure bin, a suction pipe, an exhaust pipe, an air pipe and a yarn guide plate; the negative pressure bin is fixedly mounted on a rack on one side at the inlet of the tail yarn removing machine; the lower end of the suction pipe is communicated with the negative pressure bin; the upper end of the suction pipe faces one side of a bobbin with the tail yarn; the two ends of the exhaust pipe are connected with the negative pressure bin and a lap waste box respectively; the two ends of the air pipe are connected with the negative pressure bin and the driving device respectively; the yarn guide plate is fixed on the rack on one side at the inlet of the tail yarn removing machine and positioned between the negative pressure bin and the bottom of the bobbin; the driving device comprises a two-way electromagnetic valve; the two-way electromagnetic valve is connected with the air pipe and a gas source respectively; the detection device comprises an optical fiber amplifier fixed at the lower part of the yarn guide plate. According to the tail yarn head keeping device, the lengths of kept tail yarn heads on the bobbin are basically consistent, the broken yarn heads can be conveniently found by the tail yarn removing machine, the tail yarn removing efficiency is improved and the spinning quality is guaranteed.

The invention relates to a variable-frequency and servo-linkage control system and method for spinning of a spinning frame. The system comprises a HMI (human machine interface) unit, a PLC (programmable logic controller), three positioning units, a spindle frequency converter, five servo drivers, a variable-frequency motor, five servo motors, five transmission shafts and four detection units, andthe PLC is connected with the HMI unit. The system solves the problems of unstable frequency converter open-loop control, uneven spun yarn levelness and inconsistent spun yarn forming tightness degreeand the like, spinning and forming accuracy, quality and uniformity are greatly improved, and spinning quality requirements can be met as for high-count, high-density and high-quality spinning. According the system, spinning accuracy and spinning quality are ensured, complicacy and high cost of a full-servo control method are avoided, and the novel control system and method is economical and practical.

The invention discloses a reeling rack which comprises a sleeve, wherein a separation plate is installed in the middle of the sleeve; studs are installed on the front side and the rear side of the separation plate respectively; multiple through holes are formed in a crossed manner at intervals on the sleeve walls located on the front and rear sides of the separation plate; reeling arms are installed on the inner side of the through holes; the inner sides of the reeling arms are fixed on the studs; a bearing is installed on the middle part of the separation plate; a spindle is installed on the inner side of the bearing; a rear bearing is installed on the rear side of the spindle; and a supporting shaft is installed on the bottom of the rear bearing. The reeling rack disclosed by the invention is characterized in that operations are simple; through crossed disposition of the front and rear through holes, multiple sets of reeling arms can be disposed, so that the shape of the reeling arms can further approach a round shape, tightness of yarn winding is increased, and spinning quality is ensured; automatic adjustment and driving can be carried out by a power motor according to spinning speeds; the height of a yarn installation place can be adjusted by a telescopic rod; and yarns can be supplied uniformly by yarn grasping grains, and an elastic tensioning mechanism can become more compact.

The invention discloses an electrostatic spinning injection device with a liquid preparation function. The electrostatic spinning injection device comprises an injection cylinder (3), an injection push rod (1), a needle (13), a liquid preparation cylinder (9) and a vacuum pump, the needle (13) is arranged at the end of the injection cylinder (3), the injection push rod (1) is arranged in the injection cylinder (3), and a pipe plug (11) is arranged at the end of the injection push rod (1), one end of the liquid preparation cylinder (9) is connected with the vacuum pump, the other end of the liquid preparation cylinder (9) is communicated with a cavity of the injection cylinder (3) through a liquid guide pipe (10), and a ball valve (2) is arranged at the outlet end of the liquid preparationcylinder (9). By means of the electrostatic spinning injection device, a liquid preparation device and an injection device are combined into a whole, the manpower process is saved, and the quality ofspinning products is improved.

The invention provides a hollow fiber spinning nozzle of an insertion tube type, comprising a bottom sheet, a middle sheet, an upper cover, a fastening bolt, an insertion tube fitting, a positioning base and a bolt. The fastening bolt connects the bottom sheet (1), the a middle sheet and the upper cover together so as to fix the whole framework of the nozzle; the insertion tube fitting is arranged in a hole of the middle sheet for spraying feed liquor, the positioning base is arranged in a hole of the middle sheet and connected with the middle sheet through threads, and the bolt is set to penetrate through the positioning base for positioning the insertion tube fitting. According to the nozzle structure of the invention, the concentricity of the nozzle is convenient to adjust so that the nozzle is convenient to take apart and clean and easy to assemble. The invention not only is convenient to use, but also can ensure the spinning quality, is favorable to being useding in mass production, can be conveniently to replaced with syringe needles of different specifications and be used for spinning bilayer or multi-layer composite hollow fiber and multi-core hollow fiber or processing a spinning nozzle with 1-36 holes or more.

The invention discloses an extruder screw. The extruder screw sequentially comprises a feeding section, a compression section, a mixing section and a metering section, wherein a flow dividing element is arranged on the surface of the mixing section; and the mixing section is positioned between the compression section and the metering section. By the extruder screw, the flow direction of a melted melt pushed through a spiral groove of the compression section is changed, the mixing probability of fluid is increased, a heat exchange effect of a solid phase and a liquid phase is improved, the unmelted solid agglomerate can be refined, melted and homogenized, subsequent spinning can be performed, and spinning quality can be ensured.

A supporting floating type centrifugal spinning device comprises a liquid containing bottom shell, a liquid containing top shell, a main spray head and a plurality of secondary spray heads, a liquid containing inner cavity is defined by the liquid containing bottom shell, a side wall outer shell and the liquid containing top shell, a main liquid opening and a plurality of secondary liquid openings are formed in the middle of the liquid containing top shell, and the main spray head comprises a main spray cylinder and a main floating piece; the bottom end of the main spraying barrel is communicated with the liquid containing inner cavity through a main liquid opening, and an arc-shaped main slit is formed between a main floating piece floating on the portion, close to the top end of the main spraying barrel, in the main spraying barrel and the main spraying barrel; the secondary spray head comprises a secondary spray cylinder and a secondary floating piece, the bottom end of the secondary spray cylinder is communicated with the liquid containing inner cavity through a secondary liquid opening, and an arc-shaped secondary slit is formed between the secondary floating piece floating on the portion, close to the top end, in the secondary spray cylinder and the secondary spray cylinder; the main floating piece is connected with the inner wall of the main spraying barrel through a main supporting wire, and the secondary floating piece is connected with the inner wall of the secondary spraying barrel through a secondary supporting wire. According to the design, the yield is high, dispersity is high, adjustability is high, and the spinning effect is good.