7results 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 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 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.

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 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.