JP5039546B2 - Apparatus and method for processing filament yarn and star yarn, migration processed yarn, false twisted yarn - Google Patents

Abstract

The invention relates to a device for treating filament yarn by means of air nozzles comprising at least two injector/cover plates that can be clamped together, and at least one air supply channel. Said injector/cover plates form a yarn treatment chamber in the assembled state. According to the invention, the yarn treatment chamber is formed between the injector/cover plates that can be clamped together, in the longitudinal direction of the plates, and the air nozzle is embodied as an open nozzle comprising a threading slit and an individual air supply channel for the yarn channel in the injector/cover plates. The invention has two decisive advantages. The shape of the injector/cover plates is limited to the inherent core functions, namely a yarn channel formed in the plates, the threading slit, and the individual air supply channel for the yarn channel in the plate. The miniaturisation of the injector/cover plates significantly simplifies the production problems.

Description

The present invention relates to an apparatus for processing filament yarns using a nozzle with a thread path, which is configured as a split nozzle that opens to the outside and has a slit for threading and a medium supply passage into the thread path. And a method for treating filament yarns using a nozzle with a thread path, configured as an outwardly split nozzle, having a threading slit and a medium supply path into the thread path. The present invention further relates to a star yarn, a migration processed yarn and a false twist yarn.

  Filament yarns are treated with air to improve the binding of individual filaments for yarn treatment within the spinning framework of the spinning process. In this case, it is divided into the following two different operations.

・ Migration processing for manufacturing migration processed yarn ・ Entanglement processing for manufacturing star yarn This entanglement processing especially improves the binding and improves the reliability when winding and releasing the filament yarn, for example. It is aimed. During the entanglement process, the blast air is blown perpendicularly to the center of the yarn path or slightly inclined. For migration processing, refer to Patent Document 1. The purpose of the migration process is to give a sufficiently good binding to the yarn in the processing of the yarn immediately after that, so that the operation immediately after that can be carried out without any problem. Due to the migration process, the filaments are only slightly crossed within the yarn bundle, so that the individual filaments do not stick out of the yarn. Until recently, migration was performed using a standard tangling nozzle. At that time, confounding was performed for the worst possible operating conditions, and as a result, almost no twists were generated. Migration processing and entanglement processing have the sole purpose of improving the winding and unwinding of the individual filaments of yarns for yarn processing and the many turns. In this case, the purpose is to prevent work disruption and yarn breakage so as not to cause disturbing effects on the finished fabric.

  Within the spinning framework, the single or multiple nozzle process is used. In many cases, the nozzle is used as a double nozzle during the interlacing process. With multiple nozzles, the number of nozzles matches the number of yarn flows. The number can be 6-12, 16, 20, and more recently 24. The next goal is, for example, to double towards a flow of 50 yarns.

  An interesting embodiment of the nozzle body is described in US Pat. The nozzle body is composed of a number of flat plates that are sandwiched together by screws. The yarn path is formed by a through hole that passes vertically through each plate. The through-holes in each plate are precisely matched to each other, and as a result, in the assembled state, a cylindrical closed thread path that passes through all the plates is completed. Instead, it is possible to make plates with and without air supply passages and tighten them together as one bundle using two end plates. It is a closed nozzle without a threading slot. The purpose of the solution according to Patent Document 2 is to increase the number of air supply passages as much as possible. In that case, it is defined that both the star yarn and the false twisted yarn are manufactured by the same nozzle configuration.

  U.S. Pat. No. 6,057,077 presents a split open nozzle for producing star yarn. A divided nozzle body consisting of a nozzle body and a deflector plate or cover plate is assembled on a medium or air supply member. Both parts are individually screwed onto the air supply member. The nozzle body includes an air supply passage and a lateral hole for blowing the processing medium into the yarn path. Regarding the yarn path, both the nozzle body and the cover plate are provided with a thread path contour. Only when assembled is a thread path formed between the nozzle body and the cover plate. Between both the main bodies, a gap forming a threading slot is defined on the side opposite to the air supply member. Only the nozzle body provided with the air supply passage is sealed with a ring-shaped packing against the air supply member. This nozzle is a typical entanglement nozzle in which the air supply unit is arranged vertically at the approximate center in the yarn path. In the case of double or multiple nozzles, both the nozzle body and the cover plate must be used twice or many times, respectively, which is a drawback with respect to narrowing the pitch with respect to the yarn flow.

  A special case for entanglement applications is yarn setting equipment. In that case, a flow of 500 to 2000 parallel yarns is processed simultaneously at a very narrow pitch. Patent Document 4 presents a special device for entanglement of such multiple yarns. Entanglement takes place on two planes, the upper and lower surfaces. The entanglement passages for the corresponding number of yarn flows are arranged in an extremely small space, so that a bundle of warp yarns can be supplied at very narrow intervals. This entanglement device has a number of slits arranged in parallel. These slits are formed between the nozzle bar disk and the spacer member. Each disc has a ring-shaped outer shape, and compressed air is supplied through the central region of each disc, and the individual entanglement zones formed as slits through corresponding side holes To be supplied. The yarn is transported through this device within the working range of the blast air, spaced from the slit base. The disc includes yarn feeders on both the inlet side and the outlet side. The nozzle bar is formed by assembling a large number of discs and intermediate members by aligning the front sides. This solution is extremely space-saving. The pitch size for the yarn flow is on the order of 4 mm. A wire is passed through the outer region of the slit so that the warp yarn not coming out of the processing slit can be branched. The disc is made of ceramic, in particular oxide ceramic. For this reason, a long service life is obtained, in which case the ceramic disk is made by a molding process and subsequently fired. A large number of ceramic discs are stably held on the support frame using fastening bolts together with an intermediate member with an independent nozzle bar. The solution according to patent document 4 is very well demonstrated within the framework of the yarn setting equipment. However, it is impossible to divert the design concept of the nozzle bar made of discs to the confounding field mentioned first in the framework of the spinning equipment. In the framework of the spinning facility, the number of parallel yarns to be processed is significantly lower, although the current trend is constantly increasing. Similarly, in the spinning field, there is a demand for narrow pitches of parallel yarns.

A completely different approach to improving the fiber quality of the final product, i.e. the fabric, is achieved by performing false twisting. In this case, by utilizing the twisting force of the jet air, the molecular structure of individual filaments is changed and remains by heating and cooling heat treatment of the yarn performed before and after that, which corresponds to the yarn. A big bulge has occurred. See Patent Document 5 for an example of false twisting. By false twisting, the filament yarn and the finished fabric can be given swelled fiber properties.

  Narrow pitches for multiple parallel running yarns are increasingly required for various yarn processing. In the two solutions of Patent Documents 2 and 5 selected for the prior art, there is a relatively large gap between the two parallel yarn flows. In the solution according to the patent document 1, a pitch of about 8 to 10 mm is obtained in the case of a flow of at least two yarns. Only Patent Document 4 allows a pitch of about 4 mm.

From the embodiments according to the prior art solutions, two basic forms are obtained as follows.
・ Three different nozzle design concepts have been realized.

  1. A nozzle with a continuously open threading slot. They are characterized as open nozzles, for example as described in US Pat.

  2. A nozzle that can be set to an open threading position and a closed operating position using a shift panel.

      They are characterized as open / close nozzles, for example, as described in US Pat.

3. Closed nozzle. In this case, for example, as in Patent Document 2, a normal thread must be threaded through a thread path using an air gun devised for that purpose.
The second form is that a completely different nozzle structure is realized for each special yarn processing method. Therefore, the following nozzles are listed.

-Torque changing nozzle for post-processing false twisted yarn-Entangling nozzle for producing star yarn-Migration nozzle for producing migration processed yarn
International Patent Publication No. 00/52240 Specification US Pat. No. 5,157,819 JP 2003-75802 A European Patent Publication No. 0216951 European Patent Publication No. 0532458 International Patent Publication No. 03/029539 German Patent Application No. 00482/05 (Application by Schweizer on March 20, 2005)

  The object of the present invention is to develop an inexpensive nozzle for thread processing within an open nozzle framework and for the pitch between two or more parallel thread streams to be in the range of a few millimeters. This design philosophy is particularly applicable to single or double nozzles.

  In the apparatus according to the present invention, the nozzle is composed of a nozzle plate / cover plate, and each of these plates has a nozzle plate side and a cover plate side, and can be assembled on the medium supply member. It is characterized by forming a yarn path between two adjacent nozzle plates / cover plates.

  The process according to the invention allows the thread to pass between two identical plates that together form a yarn path for processing, the plates being sealed together and sealed against the media supply side. It is characterized by.

  A star or migration yarn according to the invention, in particular as a microfilament yarn, is passed between two identical plates that together form a yarn path for processing, and the star or migration yarn is passed through. It is characterized by generating.

  The false twisted yarn according to the invention is characterized in that, for processing, it is passed between two identical plates that together form a yarn path and false twisted.

This new solution creates a variety of critical advantages. The form of the plate, especially the ceramic plate, is essentially the core functional part, i.e.
-Thread path side formed on both sides of each plate-Threading slot-Limited to individual air supply passages for thread paths in the plate.

  In this connection, the nozzle plate / cover plate of the nozzle is the same. Each of the nozzle plate / cover plate functions as both a nozzle plate and a cover plate or a warping plate. For example, as in Patent Document 3, it is not necessary to separately provide a cover plate. As a result, the pitch for the flow of a plurality of yarns can finally be narrowed finally. These plates can be produced, for example, with very small outer dimensions of 1 cm to 2 cm and a thickness of 4 mm or less. This simple plate shape can now be produced using a very large number of inexpensive injection molding methods, so that a great reduction is obtained, especially with respect to production with ceramics. At least the raw cast member of the plate can be produced at a low cost by increasing the number of products produced per unit time. The nozzle plate can be manufactured in the same shape, so in the case of a single nozzle, it is possible to mount the plate by rotating it 180 °, so that with regard to wear, it is possible to use its unused thread path surface for its service life. Can be doubled. The downsizing of the plate greatly reduces manufacturing problems. With this new solution, as will be further explained, for example, it is possible to manufacture a plate by an injection molding method which is significantly less expensive than the pressure molding method according to Patent Document 4. The second great advantage is that the yarn path configured as a mere slit in Patent Document 4 can be adapted to special processing based on this new invention. The disc of Patent Document 4 has a great advantage of forming two yarn streams between two discs. On the other hand, the disadvantage of the solution according to Patent Document 4 is that, in the plate design philosophy, since the yarn feeder and the air supply unit are integrated at the same time, it can be manufactured only by the pressure molding method, which is almost the size of the palm. That is the disc.

  This new plate design philosophy can be employed in various processing methods: entanglement processing, migration processing, false twisting and other texturing of filament yarns. It can be used as a multi-nozzle in a threader, as a single or double nozzle in a textured facility, and also in a stretching facility and false twist textured facility.

  The same nozzle plate / cover plate is always used in any case such as single nozzle, double nozzle or multiple nozzles or special applications. In that case, each nozzle plate / cover plate preferably has both a nozzle plate side and a cover plate side for each air supply passage. Each side has free access to processing. This has the great advantage that both contours of the yarn path can be easily created in each plate and individually designed, for example engraved, with respect to the nozzle side and the deflecting plate or cover plate side. A person skilled in the art considers a nozzle plate and a warping plate for an interlacing nozzle. The nozzle plate is provided with a lateral hole for at least the main air flow for double entanglement. The warping plate has a side on the opposite side to which processing air hits. The purpose of the torque changing nozzle is to perform a strong rotational flow with air, that is, false twisting of the yarn. In that case, for the divided nozzles, the cover plate must be considered instead of the warping plate. Since the new solution can encompass both applications, the expression “nozzle plate / cover plate” has been chosen. For both embodiments, each nozzle plate / cover plate is a half that can only function after assembly.

This new solution allows a great many particularly advantageous embodiments, for which reference is made to claims 2 to 21 and claims 23 to 29. Particularly preferably, the yarn path, the nozzle plate side is to the semicircular-shaped cross section, the cover plate side is formed flat. By cutting the yarn path into the plate, the shape of the yarn path can be adjusted almost arbitrarily. The same is true for the air supply passage. Particularly preferably, the plates, the one side as the nozzle plate, as a plate or cover plate deflect the other side, and correspondingly constitute about half of the yarn channel.

  Due to the miniaturization of the plates, it is possible to configure the plates as flat ceramic plates manufactured by injection molding, and these plates can be sandwiched together as a group by two end plates. The injection molding method is significantly less expensive than the pressure molding method corresponding to the disclosure of Patent Document 4. The completed configuration group can be fixed on the support base with an integrated air distribution passage that can be connected to the air supply passage of each plate. The support base can be manufactured from metal or plastic. In this new invention, a relatively expensive ceramic can be employed only if the required function requires the highest quality and accuracy. In another embodiment, each of the plates is provided with at least one lateral hole on the nozzle plate side for media supply to individually supply air into the yarn path. Advantageously, each of the at least two plates is provided with a medium supply passage, which can be actuated individually via a corresponding connection opening of the medium supply member and is consequently not used. Free outflow from the air supply opening is prevented. Each of the at least two plates of the nozzle is configured identically at least with respect to the contour of the yarn path, and has a yarn path contour that forms the yarn path for the first time in the assembled state on the nozzle plate side and the cover plate side, respectively. Only when two plates are joined together forms a yarn path, each pair of two or more plates creates two unused outer sides. This means that in the case of a simple nozzle, both plates can be rotated 180 ° and combined when the contour of the used yarn path is heavily worn, and as a result, the service life of the nozzle can be doubled. It has a great advantage.

  The nozzle plate / cover plate is preferably configured as a ceramic plate or has a correspondingly high wear-resistant surface coating at least in the contour area of the yarn path. At least two identical nozzle plates / cover plates have a thickness that is smaller by the threading slit in the threading area associated with the air supply area and have flat sealing surfaces on both sides of the air supply area. These sealing surfaces have a very high surface finish quality so that they are hermetically closed by being sandwiched together without a special sealing body. In this way, it is possible to guarantee high accuracy regarding the yarn path when the plate is assembled. Advantageously, the individual medium supply passages pass through approximately the middle of the yarn path, in which case at least two sides are provided on both sides in order to accurately position the plate or its contour using a sliding bar. The through opening is disposed perpendicular to the flat sealing surface. If these through openings are not identical, they will simultaneously serve as a safety measure against reverse assembly.

  In the case of another particularly advantageous embodiment, each of the plates is provided with a presser cut for sealingly pressing all the plates onto the media supply member in the lateral direction, preferably in the region of a flat sealing surface. Has a chip. On the medium supply side, it is advantageous to install an additional sealing member between the plate and the medium supply member.

With this new solution, it is possible to assemble any number of nozzle plates / cover plates for a number of yarn streams. A single nozzle for only one thread flow consists of two nozzle plates / cover plates. The double nozzle for two yarn streams consists of three nozzle plates / cover plates. For processing of two or more yarn flows, the number of yarn flows plus one number of plates.

  In a first application as an entanglement nozzle for producing star yarns, the media feed transverse holes merge into the yarn flow in a direction that has the effect of moving the yarns vertically or slightly in the middle. It is very advantageous to produce fine star yarns in a form in which the twist can be controlled to a high degree, by forming an injection air passage extension in the confluence region of the injection air supply passage in the yarn processing passage, It constitutes an air vortex chamber for two opposite direction steady twist yarn flows.

  In the second application at the time of false twisting, the medium supply lateral hole joins the yarn flow from the tangential direction. The corresponding device is configured as a torque changing nozzle.

These plates are configured as flat plates, with flat sealing surfaces on both sides and two through holes in the area of the flat sealing surfaces. With these through-holes, the plates are individually slid onto the sliding rods to form nozzle blocks, which are precisely positioned relative to each other and perpendicular to the flat sealing surface, screwing the sliding rods Are tightened together as a nozzle block. The nozzle block, can be attached to each one of the stable end plates on both sides, by their end plates, plates made of ceramic are sandwiched together. Further, the medium supply member can include a support base, on which the nozzle plate / cover plate of the nozzle block can be hermetically fixed by a notch for pressing. The support base or end plate can be provided with a color code, so that it is possible to identify which nozzle type is assembled based on the color. The nozzle block is fixed on a medium supply base that can be connected to the air supply passage to be operated, together with an integrated air distribution passage. It becomes a multi-nozzle and the nozzle with this corresponding number of plates is connected as a nozzle group or nozzle block with a nozzle support on which the yarn feeder is mounted. The plates that can be sandwiched are each fixed on a support base as a constituent group by two end plates, in which case the yarn feeder is arranged on a yarn feeder holder fixed on the nozzle support, Advantageously, it is configured in a comb shape. In another advantageous embodiment of the method according to the invention, the plate is combined with the nozzle block by means of a sliding bar, and the nozzle block is pressed by a pressing projection and sealed onto the medium supply member. In order to ensure precise positioning of the ceramic plate with respect to the yarn path, the ceramic plate is guided by a sliding bar and integrated as a nozzle block. The nozzle block is hermetically supported on a support base having a common air supply, preferably with a color code.

  In another particularly advantageous embodiment of the method for producing a star yarn comprising smooth filament yarns and textured filament yarns according to the invention, the yarn path through the entanglement nozzle is connected to the axial direction of the yarn path. The main air stream is blown in the central main hole facing the air and the secondary air stream is blown in at least one auxiliary hole spaced from the main hole. The main air flow is inclined with respect to the axial direction of the yarn path, between the vertical angle and the effect of moving the yarn only slightly or with little effect on the yarn feeding device. It is fed into the yarn path through at least one auxiliary hole oriented in a direction different from the main air flow in a manner that supports the entanglement flow.

  In the idea of another embodiment for producing fine star yarns with high controllability of the twist according to the invention, an air nozzle with a yarn treatment passage is used to intersect the yarn treatment passage. Inject blast air. The blast air generates double vortices for making twists in the yarn feeding direction and in the direction opposite to the yarn feeding direction, respectively. The jet air is converted into two steady twist flow in the air vortex chamber, which is short in the longitudinal direction of the yarn path, at the entrance region to the yarn treatment passage, so strong that it is not disturbed by the bundle of filaments. The side hole on the nozzle plate side for the air supply is advantageously about the middle of the yarn path with respect to the longitudinal direction and perpendicular to the axis of the yarn path, with respect to the nozzles arranged for yarn entanglement or migration It is arranged in a slightly inclined shape. On the other hand, the lateral hole is attached from the tangential direction toward the inside of the yarn path with respect to the nozzle defined for false twisting of the yarn.

  Advantageously, the support base is arranged on both sides with yarn feeders spaced from each other before the yarn path entrance and after the yarn path exit for each yarn flow. The support base serves two auxiliary functions: yarn supply to individual plates, air supply and air distribution. The device according to the invention is configured as a single nozzle or a double nozzle, each with two end plates that can be clamped together by the holding means. In the case of a multi-nozzle, the nozzle is composed of a number of plates corresponding to that as a nozzle group for a predetermined yarn flow, an air distribution passage in the support base, and a yarn feeder. Advantageously, all the plates that can be sandwiched are fixed as a group by two end plates on a support base with an air distribution passage in the support base, in which case the yarn feeder is It is arrange | positioned at the yarn feeder holding body fixed to.

  In the following, the invention will be described in detail on the basis of several examples.

FIGS. 1 a and 1 b show a nozzle plate / cover plate 1 which is also a cover plate and also a nozzle plate and a corresponding half yarn path 17. The front side represents the cover plate side 2, and the rear side represents the nozzle plate side 3, and each half of the yarn path 17 is provided. On the front side 2, a half 4 of the yarn path with a warping plate 5 is carved into the nozzle plate / cover plate 1. On the back side of the nozzle plate side, a half 6 of the yarn path is made. In FIG. 1 b and FIG. 2 (bottom), the air supply passage 8 can be seen in a cross-sectional view. The air supply passage 8 communicates with the half 6 of the yarn path of the nozzle plate 7 through a lateral hole 9. The nozzle plate / cover plate 1 has two through holes 10 and 10 'for sandwiching the plates together. In this case, as can be seen from FIG. 3, the two nozzle plates / cover plates are sealed with each other and the front sides are abutted. The corresponding sealing surface part 11 is represented by the sizes h and L, where L / 2 is the length of the yarn path at the same time or half of the yarn path according to FIG. 2 (L / 2). The upper surface portion 12 is indicated by dimensions X and L and is slightly rearwardly shifted by a size Z with respect to the sealing surface portion 11. Over this surface portion 12 is a chamfered surface 13 that facilitates the insertion of the yarn in the yarn path 17. A special feature of the nozzle plate / cover plate 1 is that they are provided with a threading section Ef above, a thread path section GK below and a sealing section DF below. The sealing section DF has both sealing surfaces 11, 11 ′ and a lower support surface 7. The support surface 7 must be sealed with respect to the support base 24, as indicated by the reference numeral 7 'in FIG. The holes 10 and 10 ′ are advantageously not identical in size so that the nozzle plate / cover plate 1 is correctly combined by the corresponding sliding rod 18.

As can be seen from FIGS. 2 and 3, due to the geometric structure of the corresponding surface portions on the nozzle plate side and cover plate side, a threading slit 14 is obtained in the assembled state. This new solution results in a small and relatively simple shaped plate that can be manufactured inexpensively as a ceramic part by injection molding, as detailed above. 2 and 3, a certain number of ceramic plates are combined into eight yarn flow nozzle blocks using one end plate 15 and 16 one by one. All the plates are sandwiched together as one component group 20 by clamping bolts or sliding rods 18 guided through the holes 10, 10 ′. Each nozzle plate / cover plate 1 has an air supply passage 8 that opens downward (FIG. 1 b ). The horizontal dimension of the composition group 20 is represented by the size H, and can be larger or smaller depending on the number of plates 1 corresponding to the thickness “d”. FIG. 2 illustrates the completed device as a nozzle group 25 for spinning equipment. In that case, the yarn flow is usually vertical from upstream to downstream as indicated by arrow 21. FIG. 2 illustrates the flow of eight yarns, similar to FIG. The configuration group 20 is screwed on the support base 24 with mounting bolts 23 in an airtight manner. The support base 24 has an air distribution passage 26 for supplying compressed air or jet air from the individual air supply passages 8. The inlet side of the nozzle group is represented by “Ein” and the outlet side is represented by “Aus”. On both the inlet side and the outlet side, there is a yarn guide beam 27 that is fixed to the support base 24 by bolts 28. Corresponding to a certain number of yarn flows 21, the yarn guide beam 27 is provided with a yarn guide 31 having teeth 29 configured in a comb shape. The thread is passed through the tooth gap 30 in the lateral direction. The bottom of the tooth faces the bottom of the yarn path. Both the yarn guide beam 27 and the support base 24 can be made from aluminum or inexpensive plastic. The yarn guide beam is preferably made from ceramic, so that the wear part has the maximum service life.

  FIG. 4 illustrates the use of the new solution as a single nozzle. The yarn path is composed of two nozzle plates / cover plates 1. The drawing of FIG. 4 is designed only for one yarn path. This single nozzle is devised in the same way as a multiple nozzle provided with a support base 24 as a design concept. The drawing of FIG. 4 illustrates a complete group of groups as a single nozzle with two nozzle plates / cover plates 1 with a support base 24 and a nozzle holder 19 in the upper left.

  The drawing of FIG. 5 is a perspective view (upper left), a plan view (lower left), a side view (upper right), and a cross-sectional view (lower right) according to AA of a double or double nozzle with three nozzle plates / cover plates 1. It is shown. Since each of these plates is constructed in the same shape, three nozzle plates / cover plates are required for a double nozzle.

  Figures 6a, 6b and 6c illustrate another very interesting embodiment of a multi-nozzle for 24 thread flows. This solution is basically suitable for a flow of more than two yarns. FIG. 6a illustrates a nozzle block 25 with 25 nozzle plates / cover plates 1 sandwiched together by two sliding rods 18 and sealed and pressed with great force after assembly. Each of the nozzle plate / cover plate has a pressing notch 30 on both sides. Each of the nozzle plate / cover plate is airtightly pressed onto the packing 32 by two pressing bars 31. For this purpose, as shown in FIG. 6 b, a certain number of pressing bolts 33 press both sides against the compression spring 34. FIG. 6 c illustrates the completed nozzle configuration group 20. The nozzle block 25 is an independent structural unit that is fitted and fixed onto the support base 24 during assembly. Subsequently, the support base 24 is screwed together with the nozzle block 25 onto the nozzle holder 19 in an airtight manner. In a preferred embodiment, the nozzle block 25 is fixed on the support base, first through one side through a sliding rod and then lowered.

  FIGS. 7a and 7b illustrate an embodiment suitable for the purposes of the invention in which the nozzle block 25 is tied together by a rope-like tension member 35. FIG. In this case, precise guidance of the nozzle plate / cover plate is ensured by the through sleep 36. FIG. 7 b shows a drawing (bottom) of a nozzle block (top) with two different side support bases 24 and a contact surface 37 for the nozzle holder 19 from below, similar to FIG. 6 b. The code | symbol 38 represents the packing which has elasticity.

Figures 8 and 9a illustrate a very advantageous refinement. For the entire contents relating thereto, refer to Patent Document 7. In this case, the yarn processing path 17 includes an air vortex of chamber 41 is a portion that further lead to direct the blast air supply passage or the lateral hole 9 in the yarn processing path 17. The yarn processing passage 17 is expanded in a hemispherical shape at the position of the blast air supply passage 9. By doing so, further twist flow occurs. With this hemispherical extension, a steady twist flow can be realized without causing an irregular vortex motion in the portion connected to the yarn processing passage 17. The steady twisted flow to migrate to the flow suddenly irregular vortices. The jet air is converted in the inlet region of the yarn treatment passage into two steady twisting flows that are so strong that they are unimpeded by the bundle of filaments in an air vortex chamber that is short with respect to the longitudinal direction of the yarn treatment passage. In the air vortex chamber, a short region in which the twisted yarn flow is stable is generated, and the vortex zones are alternately connected in both directions opposite to the yarn transfer direction and the yarn transfer direction. When processing microfilament yarns, blast air with a pressure of 0.5-1.5 bar is used to make a soft twist that can be unwound again in further processing, or in further processing. In order to make a hard twist that is not unraveled, compressed air of 1.5 bar or higher is used as the jet air. In this way, fine yarns smaller than 10-15 dpf, preferably smaller than 2 dpf can be processed. The air vortex chamber is configured substantially symmetrically at least with respect to the central axis of the yarn path, and both sides of the air vortex chamber protrude within 0.5 mm from the side wall of the yarn path. Advantageously, the air vortexing chamber extends within 0.5 mm from the jet air supply passage in the longitudinal direction of the yarn path. 8 and 9a illustrate the theoretical flow calculation results, respectively. In FIG. 8, the supply BL of jet air from the bottom to the top can be seen very clearly. The upper surface is indicated by the symbol E and is a collision surface with the deflecting plate of the blast air flow BL. The air vortex chamber is composed of two small hemispherical depressions 42. In FIG. 8, two twisted yarn flows 43 are clearly seen which give rise to a very stable flow shape in a region within 1 to 2 mm with respect to the longitudinal direction. In FIG. 8, the center steady twist flow and the two double vortices 44 at the top of the figure according to the same computational model (when no yarn is present) can be seen. FIG. 9a is a drawing schematically showing two flow shapes. For the first time, the largest research has revealed that the knowledge for forming the knots was very incomplete. In practice, forming a twist is not easily obtained from two stable double vortices. The basic preconditions regarding the formation of the knot are the following items.
a) A double vortex is generated in the yarn processing path by the blast air flow BL (FIG. 8 ).
b) However, when the filament yarn 22 is put into the yarn processing passage 17, the double vortex is completely disturbed. Within a few milliseconds, a stable double vortex breaks upon thread insertion. In half of the yarn processing path, vortices 44 ^* are generated on one side, while these vortices 44 ^* disappear together.

As a result, all the filaments are brought to the right side in the yarn processing passage 3. However, as soon as all the filaments gather on the right side, this double vortex breaks down, resulting in a vortex 44 ^* of the appropriate size on the left side with almost no delay. This pendulum phenomenon is a state in which the blast air and the filament yarn exist in a state where the pendulum is not settled down at all.

FIG. 9b illustrates a thread 2 that is smooth upward, ie untwisted. Each filament is represented by a straight line. The second is a gradual rather have been twisting yarn. In this case, the shorter twist K is typical and is represented by a thin straight line. The third drawing illustrates a stiff, relatively long knot K between the entangled and expanded positions. Hard twists are represented by thick lines. The fourth drawing illustrates a typical twisted yarn of the prior art with very irregular twists.

FIG. 9c illustrates some examples in which the knots are irregularly formed. Figure 9d is a new invention form that it opposed the hard twist loose have twisted eye eyes that can be generated by. FIG. 9d illustrates a typical region using corresponding compressed air of 1.5-3 bar or 0.5-1.5 bar. Depending on market conditions, it is required hard twisted eye or loose have twisted eyes.

In FIG. 10a, a new solution proposes a main air flow (PL) and a secondary air flow (SL) supply. In this example, since the supply of compressed air is slightly inclined in the transfer direction, a strong twist flow is generated in the direction of the yarn path outlet Ak2. This can be seen from the increased line density in the exit area. In FIGS. 10b and 10c, the two auxiliary holes for the secondary air flow SL are arranged in a shape that is relatively large and inclined in the transport direction at an angle δ. The two auxiliary holes are symmetrically arranged in the respective peripheral regions of the yarn path, as indicated by the size Z. The possibility at angle δ ′ is shown as a variation. In FIG. 10a, three zones A, B and C marked can be seen. A slightly enhanced zone A in the region Ak1 and a corresponding zone C in Ak2 occur. Quite surprisingly, on both sides of the yarn path, a very stable peripheral flow zone B1 or B2 appears in the main entanglement zone VV. Unlike the section O ^″ , which mainly serves to spread the yarn, it is a zone where the knots are naturally strongly influenced. The secondary air flow stabilizes the lateral marginal area and also creates the effect of moving strong threads, so as explained in detail earlier, surprisingly, in all basic quality criteria, It can have a positive effect on the formation of the knots. FIGS. 10b and 10c illustrate two examples of the arrangement of the auxiliary holes 51 for the main hole 50 and the secondary air flow (SL).

FIGS. 11 a to 11 d illustrate the use of a new nozzle as a torque changing nozzle for finally twisting the filament yarn with variously shaped air sprays and threading slits. In the false twist textured processing apparatus schematically illustrated in FIGS. 11 a to 11 d, the multifilament yarn 22 to be textured is transferred to a false twister 61, such as a frictional false twister, via a first heater 60. Supplied. The textured yarn coming out of the false twister 61 is swollen and has high elasticity. The twist applied to the yarn before the false twister 61 is unwound again after the false twister. In this case, in the known false twist textured apparatus, the twisting moment to twist the yarn again is dominant in the yarn. In order to meet the object of the present invention, the yarn is guided through a second heater 62 connected after the false twister 61 and reducing the elasticity of the yarn, in a known manner. In the present invention, a nozzle 63 according to the present invention is connected after the second heater 62, and this nozzle is added to the yarn passing through the heater 62 in detail by the false twister 61. The false twist is applied again in the direction opposite to the false twist direction. By doing so, in the second heater 62, the previously mentioned twisting moment in the yarn is reduced or substantially completely eliminated. The nozzle 63 is supplied with compressed air from a compressed air pipe 64. The nozzle 63 includes an ejection air passage 65 that joins the yarn path 17 from the tangential direction. 11a-11d are similarly single nozzles, but illustrate a single nozzle employed to add false twist to the yarn. For the false twisting process, see Patent Document 5. Both plates must be configured with air entering from the tangential direction in order to add false twist. Both plates are labeled 1 ′ and 1 ^″ corresponding to their different functions.

  12 and 13 illustrate the POY process. In both cases, prior entanglement and original entanglement are performed. FIG. 12 illustrates a parallel POY / HOY spinning facility. In this process, there is no turning roller. Only at the speed of the winder, the tension of the entanglement yarn can be adjusted. This solution has been adopted at least in Europe and the United States. FIG. 13 illustrates a POY spinning facility equipped with a direction changing roller. The advantage of this POY process is that the tension of the yarn can be better adjusted. In this process, the turning roller is not heated. This solution has been adopted at least in Asia and also in Europe and the United States.

  FIG. 14a shows an FDY process with migration and entanglement. This is a standard process in the FDY spinning method. In this process, there are two heated single or double rollers. In this case, the tension of the yarn is adjusted well. FIG. 14b is an FDY process (H4S or H5S) and shows an example related to pre-entanglement processing and entanglement processing. In this process, there is a cold godet for drawing, following which the yarn is loosened with steam. FIG. 14c is an FDY process, and sequentially illustrates migration processing and two entanglement processing. In this process, the yarn is warmed with a heater before preparation and subsequently drawn with a cold godet. FIG. 14d shows the FDY process, which illustrates the migration process and one entanglement process, but heat is not applied. In this case, the yarn is blown with hot air before preparation and is subsequently drawn with a cold godet.

Nozzle plate / cover plate 1 constructed according to the present invention, with the scale approximately doubled. Enlarged view of section AA in FIG. Perspective view of a group consisting of a plurality of nozzle plates / cover plates and the flow of eight yarns (top) and cross-sectional view taken along line AA (bottom) 2 is a schematic side view (upper) and a cross-sectional view taken along line BB (lower). Schematic diagram (upper left), plan view (lower left), side view (upper right), and sectional view taken along A-A (lower right) of a single nozzle Diagram of double nozzle similar to FIG. Side view (top) and plan view (bottom) of completed nozzle block for 24 yarn streams Sectional view by BB to FF Three different perspective views of the finished nozzle block Special presser solution for nozzle block Special presser solution for nozzle block A particularly interesting embodiment of the confluence region of a transverse passage forming an air vortex chamber A particularly interesting embodiment of the confluence region of a transverse passage forming an air vortex chamber Yarn twist structure Yarn twist structure Yarn twist structure Solution with main and secondary air flow for treatment media Special embodiment of the transverse passage with respect to FIG. 10a Special embodiment of the transverse passage with respect to FIG. 10a A new nozzle is used as a torque changing nozzle for false twisting of yarn Tangential air blowing and threading slit configuration for FIG. 11a Tangential air blowing and threading slit configuration for FIG. 11a Tangential air blowing and threading slit configuration for FIG. 11a Examples of using new solutions within the framework of the POY process Examples of using new solutions within the framework of the POY process Four use cases of the new solution within the framework of the FDY process Four use cases of the new solution within the framework of the FDY process Four use cases of the new solution within the framework of the FDY process Four use cases of the new solution within the framework of the FDY process

Claims (28)

In an apparatus for processing a filament yarn using a nozzle with a thread path, configured as a split nozzle that opens outwardly, having a threading slit and a medium supply passage into the thread path,
The nozzle is formed by two nozzle plates / cover plates that function as both a cover plate and a nozzle plate, these plates having a nozzle plate side and a cover plate side, respectively, assembled on a medium supply member And forming a yarn path between two closely connected nozzle plates / cover plates, each of these at least two plates forming a yarn path on the nozzle plate side and the cover plate side, respectively. The apparatus has a contour for use, and is configured in the same shape at least with respect to the contour for the yarn path.   2. The apparatus of claim 1, wherein the at least two plates have an engraved thread path profile that forms the thread path in the assembled state.   3. An apparatus according to claim 1, wherein each plate has at least one medium supply lateral hole on the nozzle plate side for supplying air individually into the yarn path.   4. Each of the at least two plates has a medium supply passage which is individually actuable via a corresponding connection opening of the medium supply member. The device described.   5. The nozzle plate / cover plate is configured as a ceramic plate or has a correspondingly high wear-resistant surface coating, at least in the region of the yarn path profile. The device according to any one of the above.   The nozzle plate / cover plate has a thickness reduced by a threading slit in the threading region associated with the air supply region, and has a flat sealing surface on both sides in the air supply region. Device according to any one of the preceding claims, characterized in that it is characterized in that   At least two through-openings perpendicular to the flat sealing surface are guided on both sides, with the individual media supply passages being guided approximately in the middle of the yarn path and precisely positioning the thread profile. 7. The device according to any one of claims 1 to 6, characterized in that it is arranged in   8. A device according to claim 7, characterized in that the through openings are not identical in shape as a preventive means against reverse assembly.   Each of the plates has a pressing notch for sealing and pressing all the plates onto the media supply member on the side, preferably in the region of a flat sealing surface. Item 9. The apparatus according to any one of Items 1 to 8.   10. The device according to claim 1, wherein the device comprises two nozzle plates / cover plates and is configured as a single nozzle for one yarn flow. Equipment.   The device is configured as a double or multiple nozzle for two or more parallel yarn flows, each with a number of additional nozzle plates / cover plates depending on the number of yarn flows An apparatus according to any one of claims 1 to 9.   The medium supply lateral hole merges with the yarn path substantially vertically at the center or with a slight effect of moving the yarn, and the apparatus is configured as an entanglement nozzle. Item 12. The apparatus according to any one of Items 3 to 11.   The thread processing passage and the jet air supply passage that penetrates produce fine twisted yarns in a form that allows a high degree of control of the twist, and the jet air supply passage faces the longitudinal central axis direction of the yarn treatment passage. In the merging region of the blast air supply passage with the yarn processing passage, an air vortex chamber is formed by forming an enlarged portion of the blast air passage for two steady twist yarn flows in opposite directions. The apparatus of claim 12, wherein:   12. The apparatus according to claim 1, wherein the medium supply lateral hole joins the yarn path from the tangential direction, and the apparatus is configured as a torque changing nozzle. .   The plate is configured as a flat plate, has flat sealing surfaces on both sides, has two through holes in the area of these flat sealing surfaces, and uses these through holes individually. The nozzle block can be slid on the slide bar and can be positioned precisely with respect to each other, and perpendicular to the flat sealing surface, using bolt connection means on the slide bar, 15. The device according to claim 1, wherein the devices can be clamped together as a nozzle block.   16. A device according to claim 15, characterized in that the nozzle block is provided with one stable end plate on each side, so that plates made of ceramic can be clamped together. .   The medium supply member has a support base on which the nozzle plate / cover plate can be hermetically fixed by a notch for pressing, and the support base or the stable end plate The device according to claim 1, wherein the device has a color code.   18. The nozzle block can be fixed on a medium supply base incorporating an air distribution passage that can be connected to an air supply passage to be actuated. A device according to any one of the above.   The multi-nozzle having a corresponding number of plates as a nozzle group or a nozzle block can be connected to a nozzle holder equipped with a yarn feeder. The device described.   Plates that can be sandwiched between two end plates are each fixed on the support base as a constituent group, and the yarn feeder is arranged on a yarn feeder holder fixed to the nozzle holder, advantageously The device according to claim 19, wherein the device is configured in a comb shape. In a method for processing a filament yarn using a nozzle with a thread path, configured as an outwardly split nozzle, having a threading slit and a medium supply passage into the thread path,
The yarn is passed between two identical plates that together form a yarn path for processing, and these plates are sealed together and sealed to the media supply side. A method characterized by that.   22. A method according to claim 21, characterized in that the number of yarn streams + 1 number of plates is used to process two or more yarn streams.   23. The plate according to claim 21 or 22, wherein the plate is assembled into a nozzle block by a sliding rod, and the nozzle block is pressed onto the sealed body of the medium supply member by a pressing protrusion. Method.   A plate made of ceramic is guided by a sliding bar and integrated as a nozzle block to ensure precise positioning of the ceramic plate with respect to the yarn path, the nozzle block having a color code and a common air supply 24. A method as claimed in any one of claims 21 to 23, characterized in that it is pressed in an airtight manner on a support base comprising a part.   The supply of the medium, in particular the air, into the yarn path through the transverse hole in the plate is carried out approximately at the center with respect to the longitudinal direction of the yarn path, perpendicular to the axis of the thread path, or slightly inclined. The method of claim 21, wherein the yarn is entangled or migrated. The main air flow is fed into the yarn path in a manner that assists the yarn flow, between the vertical direction and the direction of moving the yarn and the direction of moving the yarn only slightly in the opposite direction or the direction of exerting a small action,
And the secondary air flow is supplied into the yarn path in a form supporting the twisted yarn flow through at least one auxiliary hole inclined with respect to the axis of the yarn path and oriented in a direction different from the main air flow,
The thread through which the entanglement nozzle penetrates with the main hole for the main air flow in the center facing the axial direction of the yarn path and at least one auxiliary hole for the secondary air flow at a distance from the main hole 26. A method as claimed in any one of claims 21 to 25, characterized in that it produces a star yarn consisting of a yarn smooth in the road and a textured yarn. The blast air forms double vortices for making a twist in the direction of moving the yarn and the direction opposite to the direction of moving the yarn, and the blast air is longitudinal in the yarn path in the entrance region of the yarn processing passage. In an air vortex chamber short in direction, converted into two steady twist flow that is strong enough not to be disturbed by a bundle of filaments,
Production of fine twisted yarns in such a manner that the twists can be highly controlled by using air nozzles having yarn processing passages and jet air blown in a manner intersecting with such yarn processing passages. 27. A method as claimed in any one of claims 21 to 26.   25. The medium according to any one of claims 21 to 24, characterized in that the supply of the medium, in particular the air, into the yarn path through the transverse hole is carried out from the tangential direction into the yarn path for false twisting of the filament yarn. The method described in 1.

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