14results about How to "Improve spinning quality" patented technology

The invention relates to the technical field of deep-drawing spinning expanding, and discloses a high-precision metal deep-drawing spinning device based on a novel transfer die technology, which comprises a bottom plate, a mounting plate arranged at the upper end of the bottom plate, a spinning machine table arranged on the mounting plate, and an operation unit arranged on the spinning machine table, the operation unit comprises a spinning part and a cleaning part which are arranged on the spinning machine table. By arranging the cleaning component and the control assembly, when the spinning roller I performs spinning on the inner wall of a blank, the control assembly tightens a nylon wire in the cleaning component, so that the spinning roller I performs spinning on the inner wall of the blank normally, and after the spinning roller I performs one-pass machining on the inner wall of the blank from outside to inside, the nylon wire in the process that the spinning roller I moves from inside to outside, the nylon wire in the cleaning component tightens the nylon wire. The nylon thread is released through the control assembly, the transmission rod rotating at a high speed enables the nylon thread to be unfolded, the first spinning roller sweeps waste generated during one-pass spinning out of a blank in the outward movement process, and cleaning of the inner wall of the blank is directly completed.

The utility model discloses an airflow conducting mechanism, and belongs to the technical field of chemical fiber manufacturing equipment, the airflow conducting mechanism is applied to the chemical fiber manufacturing equipment, the chemical fiber manufacturing equipment is provided with an inner cavity and an airflow channel communicated with the inner cavity, the airflow conducting mechanism comprises a monomer discharging cover, a monomer discharging cover, an air guiding opening, an inlet and an outlet, the monomer discharging cover is provided with a cavity, and the air guiding opening is communicated with the cavity; the inlet / outlet is used for connecting a device capable of generating positive pressure or negative pressure; the adapter is used for being connected with chemical fiber manufacturing equipment, the adapter is movably connected with the single discharge cover, and the position of the air guide opening relative to the airflow channel can be adjusted through the relative connecting position of the adapter and the single discharge cover; the device can balance the provided airflow pressure and the airflow environment pressure of yarn discharging, provides a stable airflow environment, enables yarn discharging and forming to be in a stable state, and facilitates improvement of the quality of formed spinning.

A flexible stress sensor prepared based on centrifugal spinning fibers comprises a stress layer and a base layer, and the stress layer is bonded on the base layer; the stress layer comprises a plurality of transverse conductive fibers and two longitudinal conductive fibers, the two longitudinal conductive fibers are connected with the left sides and the right sides of all the transverse conductive fibers respectively, and all the transverse conductive fibers are evenly distributed to form a grating net-shaped structure. And all the transverse conductive fibers and the longitudinal conductive fibers are made of at least one conductive wire. The stress layer is high in mechanical strength and good in stability.

The utility model relates to a composite spinning device which comprises at least two melt channel units, the melt channel units are transversely arranged at intervals, each melt channel unit comprises a spinning manifold, a plurality of spinning branch pipes are arranged in the spinning manifold, and a plurality of blending assembly chambers are arranged at the lower end of the spinning manifold. The number of the blending assembly chambers is matched with the number of the spinning branch pipes in a single spinning box body, the upper ends of the spinning branch pipes in the same spinning box body are led into the metering pump on the spinning box body, and the lower ends of the spinning branch pipes corresponding to the positions of different melt channel units are led into the same blending assembly chamber. A plurality of heating rods are installed in the spinning box bodies, bending parts are arranged on the spinning branch pipes, the bending parts are arranged at the positions, close to the lower ends of the metering pumps, in the spinning box bodies, and the parts, located between the metering pumps and the blending assembly chambers, of the spinning branch pipes in the same spinning box body are the same in length after being straightened. The device has the beneficial effects of high production quality, convenience in function expansion, high flexibility and strong practicability.

The invention relates to a catalyst for synthesizing PBT (Polybutylene Terephthalate) resin, a preparation method of the catalyst, the PBT resin and a preparation method of the PBT resin. The preparation method of the catalyst for PBT resin synthesis comprises the following steps: carrying out transesterification on a titanium compound A and dihydric alcohol C to obtain a product 1; adding the product 1 into 1, 4-butanediol, then adding a phosphorus compound B, a metal compound D, an aliphatic organic compound E, aliphatic organic polyether F and a blue toner G, reacting at 120-140 DEG C for 3.5-4.5 hours, and diluting with 1, 4-butanediol to obtain a homogeneous-phase liquid titanium polyester catalyst, namely the catalyst for synthesizing the PBT resin. According to the catalyst for synthesizing the PBT resin, the preparation method of the catalyst, the PBT resin and the preparation method of the PBT resin, the performance of the PBT resin is improved, meanwhile, the consumption of raw materials in the synthesis of the PBT resin can be reduced, the cost is reduced, and the catalyst is more suitable for industrial popularization.

The present invention discloses an anti-entanglement cashmere spinning device with an opening function, which relates to the technical field of cashmere spinning, and comprises a feeding bucket, an opening unit, a combing unit, a twisting unit, and a take-up frame. The feeding bucket is tightly connected to the upper end of the opening unit, the opening unit is tightly connected to the ground, the combing unit is arranged on one side of the opening unit, the twisting unit is arranged on the side of the combing unit far away from the opening unit, and the take-up frame is arranged on the side of the twisting unit far away from the combing unit. The opening unit of the present invention utilizes the slapping of porcupine beaters in conjunction with air flow penetration guidance, which greatly improves the opening effect and impurity separation effect. The air flow guidance has a guiding effect on the separation of impurities on the one hand, and also has a guiding effect on the discharge of cashmere on the other hand. The separated impurities are separated by a conveyor belt, which avoids secondary contamination of cashmere.

The utility model discloses an existing hollow multi-dimensional nozzle electrostatic spinning device which comprises a spinning collecting barrel, a plurality of nozzles and a plurality of nozzles. A hollow nozzle penetrating inwards is inserted into the bottom of the spinning collecting barrel, and one end of the hollow nozzle is located in the spinning collecting barrel. The hollow spray head is in a rod shape and is hollow inside, and a plurality of spray holes are evenly formed in the surface of the hollow spray head. One end of the hollow nozzle is connected with a driving part, and the driving part drives the hollow nozzle to rotate by 360 degrees in the spinning collecting barrel; and the other end of the hollow spray head is connected with a solution feeding mechanism, so that the hollow spray head is continuously filled with a spinning solution through the solution feeding mechanism while the hollow spray head rotates. According to the utility model, 360-degree rapid and uniform spinning can be realized, the spinning quality is high, and the efficiency is high; the spinning machine is simple in structure, easy to process and high in spinning solution utilization rate, waste of spinning solutions is reduced, and the yield and quality of the spinning machine are greatly improved.

A novel screw extrusion device comprises a feed pipe and a screw connector, the feed pipe is communicated with the top of the screw connector, and the novel screw extrusion device is characterized by further comprising a water outlet pipe, an upper jacket connector, a connecting pipe, a water inlet pipe, a lower jacket connector, a temperature sensor and a control valve. The upper clamping sleeve combination piece is provided with a feeding pipe installation notch, the upper clamping sleeve combination piece and the lower clamping sleeve combination piece are integrally attached to the outer wall of the screw rod combination piece, the upper clamping sleeve combination piece is communicated with the lower clamping sleeve combination piece through a connecting pipe, and the water inlet pipe and the control valve are installed on the lower clamping sleeve combination piece. And the water outlet pipe and the temperature sensor are arranged on the upper jacket connector. The cooling device has the advantages of being simple in structure, high in cooling efficiency and high in practicability.

The utility model belongs to nylon fibre processing technical field, and disclose a kind of nylon fibre multi-station spinning device, including screw extruder, the barrel of screw extruder is connected with raw material tank, the discharge end of screw extruder is connected with spinning beam, the discharge end of spinning beam is connected with cooling assembly, the cooling assembly includes cold air pedestal, the upper portion of cold air pedestal is provided with wind collecting hood, the wind collecting hood is connected with air guide elbow, the air guide elbow is connected with hot air backflow assembly, the raw material tank is connected with hot air backflow assembly, the hot air generated by cooling assembly is introduced into raw material tank, the originally discarded heat can be used to preheat raw material, reduce the time and energy required for screw extruder to heat raw material, to improve production efficiency, proper preheating helps to improve the flowability and uniformity of nylon chip and other raw materials, so that it can be more evenly extruded in spinning process, which is beneficial to improve spinning quality.

The present invention provides a lower pin, comprising a profile body, a first support member and a second support member spaced apart along the length direction of the profile body; the first support member is used to support the leather ring, and the top surface of the first support member in the vertical direction constitutes the top of the lower pin; in the width direction of the profile body, the front surface of the first support member is convex relative to the front surface of the second support member. Without departing from the traditional process of the industry, it is easy to assemble and maintain, and takes into account both cost savings and production efficiency. During the drafting process, the fiber speed change point can be further controlled to move forward, thereby enhancing the grip on the fiber and optimizing the working performance to a greater extent. A spinning device of the present invention is equipped with the lower pin of the present invention and has corresponding advantages.

A wearable spherical stress sensor comprises a bottom layer with an arc-shaped bottom, an arc-shaped conductive layer in the middle and an arc-shaped surface layer at the top, and the bottom layer, the conductive layer and the surface layer are bonded together. The conductive layer comprises an arc-shaped first longitudinal conductive fiber, an arc-shaped second longitudinal conductive fiber, an arc-shaped first transverse conductive fiber and an arc-shaped second transverse conductive fiber, and the top and the bottom of the right side of the first longitudinal conductive fiber are connected with one end of the first transverse conductive fiber and one end of the second transverse conductive fiber respectively; the other ends of the first transverse conductive fiber and the second transverse conductive fiber are connected with the top and the bottom of the left side of the second longitudinal conductive fiber; the first transverse conductive fibers, the second transverse conductive fibers, the middle transverse conductive fibers, the first longitudinal conductive fibers and the second longitudinal conductive fibers are all made of at least one conductive wire. The stress layer is high in mechanical strength, good in stability and more suitable for measurement of ball-like structure parts.

The utility model relates to the technical field of textiles, and discloses a waxing device of a two-for-one twister, which comprises a base, a bobbin holder is arranged on one side of the base, a spindle sleeve wound with yarns is arranged in the bobbin holder, a waxing component for waxing the wound yarns is arranged on one side of the bobbin holder, and a waxing roller is arranged on the other side of the bobbin holder. The outer surface of the bobbin base is sleeved with a moving assembly enabling the waxing assembly to move. By arranging the waxing assembly, the extrusion assembly and the scraping assembly, when the two-for-one twister winds yarn, the pulled yarn passes through the waxing assembly and is extruded by the extrusion assembly after being in contact with liquid wax in the waxing assembly, absorption of the yarn and the liquid wax is improved, and the yarn winding efficiency is improved. In addition, redundant liquid wax can be scraped off from the yarn through the scraping assembly, the strength and abrasion resistance of the yarn can be enhanced by waxing the yarn, friction between the yarn is reduced, and the spinning efficiency and quality are improved.

The utility model relates to the field of textile machinery discloses a spinning frame vehicle tail main shaft protection device, include: wallboard, fixedly be provided with oil storage tank on the wallboard, the wallboard is connected with spinning frame vehicle tail main shaft through oil storage tank, the junction of spinning frame vehicle tail main shaft and oil storage tank is provided with framework oil seal, be provided with ration adding mechanism on the oil storage tank, ration adding mechanism includes oil pipe, top box, storage pipe, discharge pipe, piston piece two, threaded cylinder, screw rod, control instruction piece and instruction block, oil pipe fixed mounting between oil storage tank and top box, discharge pipe fixed mounting is on storage pipe, piston piece two sliding seal installation is in storage pipe, threaded cylinder is connected with piston piece two fixedly, the utility model has the following advantages and effect: it is convenient to ration adding lubricating oil, avoids the condition that lubricating oil adds too much or too little, protects spinning frame vehicle tail main shaft fully.

The utility model discloses polyphenylene sulfide sulfone filament fiber preparation spinning equipment, and particularly relates to the technical field of spinning, the polyphenylene sulfide sulfone filament fiber preparation spinning equipment comprises a supporting frame used for supporting, a spinning assembly is arranged on the supporting frame, the spinning assembly comprises a material mixing box arranged on the top of the supporting frame, a feeding hopper used for guiding materials is arranged on the top of the material mixing box, and the feeding hopper is arranged on the top of the supporting frame. And a spinning nozzle for spinning is arranged at one end of the mixing box. According to the spinning device disclosed by the utility model, by arranging the spinning assembly, the rotating shaft and the second stirring belt to rotate, materials in the gathering barrel can be re-injected into the mixing box, so that the functions of distributing, stirring and re-gathering and mixing the materials are realized, the mixing efficiency is improved, and fibers can be supported by the first traction roller when being sprayed out; and the spring is stressed to drive the first traction roller to reset through the elasticity of the spring, so that the first traction roller can be in contact with the fibers, the function of supporting the fibers is achieved, and the spinning quality is improved.