EP2291560A2 - Unité de compression et ensemble rouleaux presseurs pour un banc d'étirage de machine textile - Google Patents

Unité de compression et ensemble rouleaux presseurs pour un banc d'étirage de machine textile

Info

Publication number
EP2291560A2
EP2291560A2 EP09733885A EP09733885A EP2291560A2 EP 2291560 A2 EP2291560 A2 EP 2291560A2 EP 09733885 A EP09733885 A EP 09733885A EP 09733885 A EP09733885 A EP 09733885A EP 2291560 A2 EP2291560 A2 EP 2291560A2
Authority
EP
European Patent Office
Prior art keywords
wear
compressor unit
holder
resistant component
resistant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09733885A
Other languages
German (de)
English (en)
Other versions
EP2291560B1 (fr
Inventor
Gerd Stahlecker
Karlheinz Huber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spindelfabrik Suessen GmbH
Original Assignee
Spindelfabrik Suessen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41111951&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2291560(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Spindelfabrik Suessen GmbH filed Critical Spindelfabrik Suessen GmbH
Priority to EP10195665.4A priority Critical patent/EP2314743B1/fr
Publication of EP2291560A2 publication Critical patent/EP2291560A2/fr
Application granted granted Critical
Publication of EP2291560B1 publication Critical patent/EP2291560B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/72—Fibre-condensing guides

Definitions

  • the invention relates to a compressor unit for a drafting system of a textile machine, with at least one compression channel for a finished distorted fiber structure.
  • the invention also relates to a wear-resistant component for immovable attachment in a compressor unit for a drafting system of a textile machine and to a method for producing a compressor unit for a drafting system of a textile machine.
  • the invention further relates to a printing roll unit for a drafting system of a textile machine with a compressor unit, a base body and two pressure roller twins, which are accommodated in the base body.
  • a pressure roller assembly and a compressor unit of the type mentioned are known from WO 2006/005207 A1.
  • the known compressor unit is formed in one piece and consists of a relatively large and complex ceramic part.
  • the compressor unit includes a support surface for a lower roller of the drafting system.
  • the compressor unit is arranged freely movable between two pressure rollers and is positioned on its support surface on the lower roller. In the circumferential direction of the lower roller, the compressor unit is positioned over a stop fixedly mounted on a pressure roller assembly. Due to its shape, the compressor unit is held captive between the two top rollers of the pressure roller twin, so that the compressor unit can not fall out and be lost when the pressure roller unit is lifted off the bottom roller.
  • the compressor unit has no connection to the printing roll unit and can move freely with respect to the printing roll unit.
  • the compressor unit projects beyond the covers of the upper rollers in the axial direction and has in these areas an enlarged circumferential surface of the lower roller support surface.
  • a precise production of the complex ceramic part is very expensive, since in particular the relatively large The support surface must be completely reground to ensure a good support on the lower roller.
  • a compressor unit which consists of several individual parts.
  • the two compressor components are movably arranged on a shaft which extends over two adjacent drafting systems.
  • the shaft is suspended from the load carrier of the drafting system.
  • the compressor components have a support surface for a lower roller of the drafting system.
  • magnets are arranged, which pull the compressor component against the lower roller and bring the bearing surface of the compressor component with the lower roller in contact.
  • the two compressor components each align by their contact surface on the lower roller.
  • the invention has for its object to provide an improved compressor unit and an improved pressure roller assembly.
  • the compressor unit is designed in several parts and contains a holder and at least one wear-resistant component which is immovably connected to the holder.
  • the object is achieved in that the printing roll unit has at least one means for fastening the compressor unit to the printing roll unit, wherein the compressor unit is movably mounted on the printing roll unit.
  • the connecting means establish a force-transmitting connection between the compressor unit and the pressure roller assembly.
  • the connecting means cause a defined mobility of the compressor unit.
  • a multi-part compressor unit has the advantage that the wear-resistant component can be made very small.
  • the outer contour of the wear-resistant component can be substantially simplified.
  • the wear-resistant component is thereby easier to manufacture. Due to the multi-part can be selected in different areas of the compressor unit advantageous for the function material. In different areas with different functions in each case the optimal for the function material can be selected.
  • the compressor unit is provided at the points with a wear-resistant component, which are subject to increased wear, for example because they come into contact with the fiber structure. By the immovable Connection of a wear-resistant component with the holder, a compressor unit is provided, which has a high precision. A compressor unit made with sufficient accuracy can no longer lose its accuracy.
  • the compressor unit is understood in the sense of the word that the "unit” can be formed by an assembly consisting of several individual parts, and their items are permanently connected to each other. However, the items do not necessarily have to be immovably connected to each other and can also be disassembled.
  • the unit 11 represents an independently tradable item.
  • a wear-resistant component for immovable attachment in a compressor unit for a drafting of a textile machine.
  • a wear-resistant component is an independently tradeable object that is necessary for the completion of a multi-part compressor unit.
  • the wear-resistant component has a bearing surface for a drafting roller.
  • a wear-resistant component for a compression zone of the drafting system contains a compression channel for a completely distorted fiber structure.
  • a wear-resistant component for a main draft zone of the drafting system contains at least one guide surface for a fiber structure processed in the main drafting zone of the drafting system.
  • the wear-resistant component has at least one receptacle for an element of the compressor unit.
  • a wear-resistant component of this embodiment is very well adapted to the tasks to be fulfilled and yet easy to produce.
  • the use of a wear-resistant material can be limited to those areas of the compressor unit that absolutely require wear protection.
  • As a wear-resistant material different materials are suitable.
  • the wear-resistant component preferably consists of a hard metal, of ceramic or of a wear-resistant plastic, which may contain hard and / or wear-reducing additives.
  • a compression channel in the wear-resistant component is preferably arranged in the form of a tunnel in the region of the support surface and formed open towards the support surface.
  • a wear-resistant component with a compression channel can also be referred to as a "compression component.”
  • the tunnel-shaped compression channel only becomes a closed channel through the peripheral surface of the drafting roller, which has the advantage that the circumferential surface of the drafting roller
  • the support surface for the drafting roller is concavely curved, with the curvature of the peripheral surface of a cylinder is adjusted.
  • the term cylinder denotes a geometric base.
  • the diameter of the cylinder to which the curvature of the support surface is adapted advantageously corresponds very closely to the outer diameter of the drafting roller, so that the wear-resistant component and the compressor unit are positioned very accurately on the drafting roller in the operating condition and the tunnel-shaped compression channel very well to the peripheral surface of the drafting roller is sealed.
  • the support surface can be made very small.
  • the holder is a component of the compressor unit and may also be referred to as the "unit of the compressor unit".
  • On the holder one or more wear-resistant components are immovably mounted.
  • the holder takes over part of the positioning of the compression channel, so that the support surface does not have to ensure the positioning alone.
  • the support surface can thereby be greatly reduced, in particular in the circumferential direction of the drafting roller, so that simplifies the production of the wear-resistant component.
  • the arc length of the support surface - seen in each section perpendicular to the center line of the cylinder - smaller than 14 mm, advantageously smaller than 10 mm and particularly advantageously even smaller than 8 mm.
  • a wear-resistant component is immovably connected to a holder.
  • Different approaches are advantageous for the immovable connection of the wear-resistant component to the holder.
  • a press connection between the holder and a wear-resistant component is present.
  • a frictional press connection has the advantage that the immovable connection is fully loadable immediately after the pressing process.
  • the holder is designed as an injection molded part, it may be advantageous that a portion of a wear-resistant component is encapsulated by the material of the holder.
  • the wear-resistant component is integrally connected to the holder.
  • a cohesive connection can preferably be produced by soldering or by gluing.
  • a wear-resistant component can be embedded in the still soft material of the holder, an adhesive or a solder and is immovably fixed by curing.
  • the wear-resistant component has a receptacle for a protruding from the holder of the compressor unit pin, in particular for a substantially cylindrical pin.
  • the receptacle can preferably be formed by a blind hole.
  • Such a receptacle for an element of the compressor unit has the advantage that the wear-resistant component can be very easily pushed onto the holder of the compressor unit and fixed there - for example by gluing.
  • the blind hole has a diameter of more than 2 mm, in particular more than 3 mm, at least in one region.
  • the blind hole may be conical and taper towards its base.
  • the center line of the blind hole extends parallel to the center line of the curved bearing surface. It is advantageous that the compression channel in the wear-resistant component - viewed in a section along the center line of the blind hole - extends below the base of the blind hole. Thus, a large diameter of the blind hole in a small wear-resistant component can accommodate.
  • a compressor unit in which a wear-resistant component is arranged cantilevered on the holder of the compressor unit.
  • Projecting means that the wear-resistant component is attached to the holder on only one side.
  • Projecting also means that the attachment of the holder to a pressure roller assembly is only on one side of the compression channel.
  • a cantilevered arrangement of the wear-resistant component on the holder is given in particular when the wear-resistant component has a receptacle for a protruding from the holder pin, wherein the center line of the receptacle extends parallel to the center line of the curved bearing surface of the wear-resistant component.
  • the holder has a receptacle for a wear-resistant component.
  • the receptacle for the wear-resistant component by a pin, in particular a substantially cylindrical pin formed, which protrudes from the holder.
  • the compressor unit contains at least two wear-resistant components which are immovably connected to the holder.
  • the wear-resistant components can be arranged at different locations of the compressor unit and fulfill different functions.
  • two wear-resistant components each provided with a support surface for a drafting roller be.
  • the compressor unit can be positioned better and more stable on the drafting roller. It is advantageous that the distance - seen in the circumferential direction of the drafting roller - between the bearing surfaces of the two wear-resistant components about 7 mm to 22 mm, in particular 7.5 mm to 15 mm.
  • a guide surface is provided for a fiber structure in the main drafting zone of the drafting system.
  • the guide surface is - viewed in the transport direction of the fiber strand - arranged upstream of the compression channel.
  • the guide surface for the fiber structure can be a convex guide surface, which can be used for deflecting the fiber structure from the stretching field plane.
  • the guide surface may also be funnel-shaped to densify the fiber strand in the main draft zone.
  • the compressor unit contains two wear-resistant components, each with a bearing surface for a drafting roller and can be used for two adjacent drafting systems, wherein the wear-resistant components are arranged on the holder, that the two bearing surfaces in the axial direction of the drafting roller seen from each other are spaced , Two bearing surfaces spaced apart in the axial direction of the drafting roller cause a particularly good and stable positioning of the compressor unit on the drafting roller.
  • the compressor unit contains three or four wear-resistant components, each with a support surface for the drafting roller.
  • the wear-resistant component In a compressor unit for two adjacent drafting systems, it is advantageous for the wear-resistant component to have two receptacles for a pin projecting from a holder of the compressor unit, so that the wear-resistant component can be used for both drafting units.
  • a wear-resistant component is due to its two shots on both sides mountable to the holder, so that the variety of parts of the wear-resistant components can be reduced.
  • the two receptacles - in particular seen in a section along the center line of the support surface - are located on opposite sides of the compression channel or the guide surface.
  • the holder may comprise a continuous rod, for example made of steel and preferably cylindrical, which extends between two adjacent drafting systems associated wear-resistant components and whose ends protrude into the wear-resistant components.
  • the rod has a diameter of at least 2 mm or more, in particular 3 mm or more, in at least one region. The ends of the rod protrude as a pin out of the holder and each form a receptacle for a wear-resistant component.
  • the compressor unit has at least one stop surface for positioning the compressor unit in the circumferential direction of a drafting roller which can be brought into contact with the bearing surface.
  • the abutment surface for positioning in the circumferential direction causes the compressor unit is not entrained by the rotation of the drafting roller.
  • the compression channel is precisely positioned by the abutment surface with respect to the nip lines of the pressure rollers.
  • At least one receptacle for a loading element for generating a bearing force on the bearing surfaces is provided.
  • a loading element contained in the pressure roller assembly contacts the compressor unit in the region of the receptacle and transmits its loading force to the compressor unit.
  • the compressor unit contains a loading element for generating a bearing force on the bearing surfaces, or that a loading element is attached to the compressor unit.
  • the loading element with the compressor unit forms an assembly which can be used in a pressure roller assembly and also easily replaceable. The strength of the loading element can be adapted to the requirements of the compressor unit.
  • the loading element may preferably be a spring, in particular a leaf spring, which is attached to the holder.
  • the spring is attached via a hinge on the holder.
  • Another advantageous loading element is a magnet.
  • the receptacle for the loading element or the loading element itself is preferably arranged on the holder of the compressor unit. This is another advantage of the multi-part design of the compressor unit, as the Loading elements for generating the bearing force no longer need to be arranged directly on the wear-resistant component.
  • the compressor unit has at least one guide surface for a yarn.
  • a guide surface for a yarn can reduce the wear of an elastic cover on the top roller bounding the compaction zone.
  • a method is advantageously used in which the at least two wear-resistant components are aligned with each other and connected in the aligned state with a holder, so that the wear-resistant components are immovably fixed to the holder.
  • the alignment of the wear-resistant components is preferably done by placing the compressor unit on a convexly curved and the peripheral surface of a cylinder adapted surface.
  • the diameter of the cylinder corresponds as exactly as possible to the diameter of the drafting roller for which the compressor unit is to be used later.
  • the alignment of the wear-resistant components is facilitated if at least one wear-resistant component has a concavely curved support surface for a drafting roller, wherein the curvature of the support surface is adapted to the peripheral surface of the cylinder, so that the support surface aligns the wear-resistant component when placed on the convexly curved surface ,
  • the fixation of the wear-resistant components on the holder can be done by the wear-resistant components are inserted into a mold and partially encapsulated with the material of the holder.
  • the convexly curved surface for aligning the wear-resistant components is arranged in the region of the injection mold, so that the wear-resistant components are in exactly aligned state during encapsulation.
  • the wear-resistant components are fixed by gluing the holder.
  • the holder of the compressor unit has a receptacle for each wear-resistant component, wherein an adhesive is applied in the region of each receptacle, the wear-resistant components are placed on the soft adhesive and aligned with each other, so that the wear-resistant components in the aligned state by the curing adhesive immovable on Holder to be fixed.
  • a production of the compressor unit by a method according to the invention has the advantage that it is very easy to produce a compressor unit which is very stable and safe the drafting roller rests. A lifting of the compressor unit from the peripheral surface of the drafting roller by vibrations occurring during operation can thereby be largely prevented.
  • the post-processing can be minimized to the bearing surface of the compressor unit.
  • the wear-resistant components with their bearing surfaces are preferably finished before fixing to the holder, so that after fixing on the holder only a minor reworking on the bearing surfaces for the drafting roller is required. Preferably, no further post-processing is made.
  • An inventive printing roll unit in which the compressor unit with a connecting means is movably mounted on the printing roll unit, has the advantage that the compressor unit is not lost even when lifting the pressure roller assembly of the drafting roller and can only move controlled.
  • the compressor unit can no longer perform any uncontrolled movements between the pressure rollers due to the connecting means.
  • the mobility is defined by the means for fixing the compressor unit.
  • a connecting means is designed such that in at least one direction a force can be transmitted from the pressure roller assembly to the compressor unit.
  • the connecting means can be attached to the main body and / or to an axis of a pressure roller twin.
  • the two pressure roller twins are arranged on a base body so that the upper rollers of the pressure roller twins do not touch and that the pressure roller unit can be placed on a drafting roller. Both pressure roller twins come into contact with the peripheral surface of the lower roller when placed on the lower roller of the drafting system, so that the upper rollers of the pressure roller assembly with the common lower roller form two successive clamping lines, between which the compression zone is located.
  • the compression channel of the compressor unit is arranged on the pressure roller assembly so that the compression channel for the finished warped fiber strand is in the compression zone.
  • the pressure roller twins are received in the base body in such a way that the peripheral surface of the drafting roller, which can be brought into contact with the pressure roller twins, forms a transport element for the finished warped fiber structure in the compression zone.
  • the axes of the pressure roller twins are immovably received in the main body of the printing roll unit.
  • the two Druckwalzenzwillinge can thereby their Do not change position to each other so that the pressure roller assembly aligns when placed on the drafting roller so that the axes of the top rollers and the bottom roller are parallel.
  • the movably arranged in the printing roll unit compressor unit also aligns when placing the pressure roller assembly on the drafting unit lower roller on the peripheral surface of the drafting roller.
  • the main body of the pressure roller assembly has at least one stop for positioning the compressor unit in the circumferential direction of a drafting roller which can be brought into contact with the pressure rollers.
  • the pressure roller twin forming the nip line at the end of the draft zone is movably mounted on the load carrier on its axis.
  • the compressor unit arranged in the printing roll unit can be designed differently.
  • the compressor unit can preferably be designed in several parts as described above and contain a holder and at least one wear-resistant component.
  • the wear-resistant component may be movably or immovably connected to the holder.
  • the compressor unit advantageously contains at least two, in particular three or four, bearing surfaces for a drafting roller.
  • two bearing surfaces are spaced apart in the circumferential direction of a drafting roller which can be brought into contact with the bearing surfaces.
  • the bearing surfaces for the drafting roller are referred to as each "one" surface, even if they are "divided" by one or more compression channels into several parts.
  • a bearing surface is provided from a functional point of view, in which a tunnel-shaped compression channel is incorporated.
  • part of the support surface In order for the compression channel to fulfill its function, part of the support surface must "remain" on both sides of the compression channel The two parts of the support surface, which adjoin the baffles of the compression channel, form a functional unit and are therefore referred to as a "contact surface".
  • a compressor unit arranged in the pressure roller unit, which has a first and a second bearing surface for positioning on a drafting roller, integrally formed with the first and the second bearing surface.
  • the means for securing the compressor unit on the pressure roller assembly includes a loading element for generating a bearing force on the bearing surfaces of the compressor unit.
  • the loading element is preferably designed as a spring, in particular as a leaf spring.
  • the spring may be fastened to the base body of the pressure roller assembly and to the holder of the compressor unit, wherein a joint is advantageous between the loading element and the holder.
  • a connecting means is designed as a sliding guide, via which the compressor unit is movable in the main body of the printing roll unit.
  • a sliding guide has the advantage that the compressor unit can only perform very narrowly defined movements on the pressure roller assembly.
  • a pivotally movable compressor unit ensures good positioning with respect to the top rollers while maintaining a defined range of motion.
  • An advantageous embodiment of the pressure roller assembly includes a pneumatically acting loading element for generating a bearing force on the bearing surfaces of the compressor unit, in particular a pneumatic pressure pad, which preferably operates without compressed air connection.
  • the connecting means between compressor unit and pressure roller assembly contain a captive, so that the compressor unit when lifting the pressure roller assembly of the drafting roller can not fall out and get lost.
  • the captive is preferably formed by a clip or directly by the loading element.
  • FIG. 1 shows a sectional and enlarged side view of a partially illustrated drafting of a textile machine with a pressure roller assembly and a compressor unit
  • FIG. 2 shows a view in the direction of the arrow II of FIG. 1 on the compressor unit
  • FIG. 3 shows a view similar to FIG. 1 of a variant of a pressure roller assembly and a compressor unit
  • FIG. 4 shows a view in the direction of the arrow IV of FIG. 3 of the compressor unit
  • FIG. 5 shows a view of a wear-resistant component with a compression channel cut along the sectional surface V-V of FIG. 3,
  • FIG. 6 shows a view similar to FIG. 1 of a variant of a pressure roller assembly and a compressor unit
  • Figure 7 is a view in the direction of arrow VII of Figure 6 on the compressor unit.
  • a drafting 1 of a textile machine is shown very schematically.
  • the drafting system 1 is designed as a double apron drafting system.
  • the drafting system 1 is arranged on a spinning machine, preferably on a ring spinning machine.
  • the drafting system 1 warps in a conventional manner a fed in the transport direction A fiber strand 2 of staple fibers to the desired fineness.
  • the fiber structure 2 is warped by a plurality of roller pairs arranged one behind the other in the transport direction A, which can be driven in the transport direction A with increasing peripheral speed. Of the roller pairs, only the pair of output rollers 3, 4 is shown, at the nip line 5 of the delay of the fiber structure 2 is completed.
  • the pairs of rollers, and also the pair of rollers 3, 4, consist of a drivable lower roller 3 and a freely rotatable, to the lower roller 3 can be pressed upper roller 4.
  • the upper roller 4 is provided with a cover made of a rubber-elastic material and is pressed against the lower roller 3, so that the fiber structure 2 is clamped at the nip line 5 between the drafting rollers 3 and 4.
  • the top rollers are held in a swing-open load carrier 6.
  • the output roller pair 3, 4 upstream pair of rollers are assigned in a conventional manner effetsriemchen 7 and 8.
  • the guide straps 7 and 8 guide the fiber structure 2 in the main draft zone of the drafting system 1, which extends from the nip line, not shown, of the pair of guide belts 7, 8 looped roller pair to the nip line 5.
  • the upper roller 4 and the other upper rollers, not shown, are designed as so-called Druckwalzenzwillinge.
  • a pair of printing rolls consists of two top rollers which are assigned to adjacent drafting units 1 and 1 'and which have a common axis 9.
  • the two top rollers of the pressure roller twin 4 are designed as "Loswalzen", that is, the two top rollers are freely rotatably mounted on the non-rotating axis 9.
  • the load carrier 6 is in the middle between two adjacent drafting 1 and 1 'and arranged holds the pressure roller twin 4 at the axis 9.
  • the lower roller 3 is formed as over a plurality of adjacent drafting 1, 1 'continuous drafting roller.
  • the finally warped fiber structure after the nip line 5 directly in withdrawal direction B a twisting element, not shown, for example, a ring spindle, fed and there is the finished yarn 10.
  • a twisting element not shown, for example, a ring spindle
  • the finished warped fiber structure 11 is passed, after the nip line 5 through a compression zone 12, in which the fiber structure 11 is compacted and compacted.
  • the finished distorted fiber structure 11 rests on the peripheral surface 13 of the lower roller 3 and is thus transported through the compression zone 12.
  • the fiber structure 11 is guided through a compression channel 14.
  • the compression channel 14 is designed tunnel-shaped and open to the lower roller 3.
  • the lower roller 3 is associated with a second upper roller 15, which forms a nip 16 with the lower roller 3, which ends the compression zone 12. Subsequent to the nip line 16, the compressed fiber structure is twisted into a yarn 10 by being fed in withdrawal direction B to a swirl element (not shown). The nip 16 forms a spin stop and ensures that the fiber structure 11 remains free of rotation in the compression zone 12.
  • the printing roll twin 15 forms together with the printing roll twin 4 a pressure roller assembly 18.
  • the pressure roller assembly 18 includes a base body 19 in which the two pressure roller twins 4, 15 are accommodated on their axes 9, 17.
  • the printing roll unit 18 forms its own structural unit, which is mounted replaceably on the load carrier 6.
  • the printing roller twins 4 and 15 are arranged in the pressure roller assembly 18 so that the top rollers of the pressure roller twins 4 and 15 do not touch each other and that the top rollers are placed on a common drafting roller 3.
  • the axes 9 and 17 are advantageously aligned as parallel as possible in the base body 19.
  • the attachment of the pressure roller assembly 18 on the load carrier 6 is preferably such that the pressure roller assembly 18 is movable to some extent and can align when placing on the drafting roller 3.
  • the attachment of the pressure roller assembly 18 on the load carrier 6 preferably allows a pendulum movement of the pressure roller assembly 18 about two mutually perpendicular imaginary axes, the both are perpendicular to the axis 9.
  • the printing roll unit 18 also includes a compressor unit 20 containing the compression channel 14.
  • the compressor unit 20 is arranged in the region between the top rollers 4 and 15.
  • the compressor unit 20 is shown in Figures 1 to 7 in different embodiments, which will be explained in more detail below. To identify the different embodiments, the reference numeral 20 is supplemented by the figure of the corresponding figure.
  • the compressor unit of Figures 1 and 2 is given the reference numeral 120, the compressor unit of Figures 3 to 5, the reference numeral 320 and the compressor unit, Figures 6 and 7, the reference numeral 620. If a compressor unit of all embodiments is meant, the reference numeral 20 is used, otherwise Numeral called the special embodiment.
  • the compactor unit 20 is movably mounted on the printing drum assembly 18, at least one means 21 for fixing the compactor unit 20 to the printing drum assembly 18 is provided.
  • the connecting means 21 are advantageous. In any case, cause the means 21 for securing that the compressor unit 20 does not accidentally fall out of the pressure roller assembly 18 and does not move uncontrollably on the pressure roller assembly 18.
  • the connecting means 21 enable the transmission of at least one force from the pressure roller assembly 18 to the compressor unit 20.
  • the means 21 for Attaching are attached to the main body 19 of the printing roll unit 18 or to a part of a pressure roller twin 4, 15.
  • the receptacle 62 for the top roller 4 can be adapted to the requirements of the pressure roller assembly 18 on the load carrier 6.
  • the existing spinning machine can be converted to a drafting system 1 with compression zone 12, so that after the conversion, a yarn 10 with improved quality can be produced.
  • a leaf spring 22 may be provided.
  • the leaf spring 122 can, as shown in Figures 1 and 2, be attached to the load carrier 6 and press with its free end on the base body 19 of the pressure roller assembly 18.
  • FIG. There, the leaf spring 322 is mounted on the base body 19 of the pressure roller assembly 18 and is supported with its free end on the load carrier 6 from.
  • a guide surface 23 for the fiber structure 2 in the main draft zone.
  • a guide surface 23 can improve the quality of the distorted fiber structure 11.
  • the guide surface 23 is arranged in the transport direction A upstream of the compression channel 14 on the compressor unit 20.
  • the guide surface 23 serves to guide the fiber structure 2 downstream of the guide straps 7, 8 and upstream of the nip line 5.
  • the compressor unit 20 contains a guide surface 24 for the yarn 10.
  • the guide surface 24 is disposed downstream of the compression channel 14 and serves to guide the yarn 10 following the nip line 16. By a guide surface 24 of the contact area of the yarn 10 can be reduced with the top roller 15, so that the wear of the cover of the upper roller 15th reduced.
  • FIGS. 1 and 2 show a first advantageous embodiment of a compressor unit 120.
  • the compressor unit 120 is designed in several parts.
  • the compressor unit 120 includes a holder 25 and three wear-resistant components 141, 142 and 143, which are immovably connected to the holder 25.
  • the holder 25 practically forms a base body for the compressor unit 120, to which the wear-resistant components 141, 142, 143 are attached.
  • the compressor unit 120 extends over two adjacent drafting units 1 and 1 'and contains two compression channels 14 and 14' for the finished warped fiber assemblies 11 and 11 'of the adjacent drafting units 1 and 1'.
  • the compressor unit 120 includes a bearing surface 131 for positioning the compressor unit 120 on the drafting roller 3, which is arranged in the region of the compression channel 14.
  • the compressor unit 120 includes a third support surface 133 for the drafting roller 3, which is spaced in the circumferential direction C of the lower roller 3 from the support surface 131 and from the support surface 132.
  • the circumferential direction C of the lower roller 3 and the axial direction D of the lower roller 3 is indicated by a double arrow.
  • the representation of Figure 1 shows a view exactly in the axial direction D.
  • the support surface 132 is spaced from the support surface 131 only in the axial direction D.
  • the bearing surfaces 131 and 132 are in the same position.
  • the compressor unit 120 has three spaced bearing surfaces 131, 132 and 133, which ensure a stable support of the compressor unit 120 on the lower roller 3. It is ensured that the compressor unit 120 rests securely on the lower roller 3 even in the event of vibrations occurring and does not tilt.
  • the third bearing surface 133 is arranged approximately in the middle between the first bearing surface 131 and the second bearing surface 132.
  • the three bearing surfaces 131, 132, 133 are each on a separate wear-resistant component
  • the compressor unit 120 is replaced by the wear-resistant components 141,
  • the wear-resistant components 141 and 142 also each include a compression channel 14.
  • the bearing surfaces 131 and 132 in the region of the compression channels 14 and 14 ' are concavely curved, wherein the curvature is adapted to the peripheral surface of a cylinder. As a result, the sealing of the tunnel-shaped compression channel 14 to the lower roller 3 is ensured.
  • the support surface 133 is preferably flat or convex.
  • the wear-resistant component 143 can also be dispensed with in a not-shown embodiment, and the third support surface 133 can be arranged directly on the holder 25.
  • the lower roller 3 is in the range of drafting 1 and 1 'usually provided on its outer circumference 13 with a corrugation.
  • the lower roller 3 can be made smooth and without corrugation.
  • the wear on the support surface 133 is lower, so that the wear-resistant component 133 can be dispensed with.
  • each wear-resistant component 141, 142, 143 has a receptacle 45 for an element of the compressor unit 120.
  • the holder 25 in turn has a receptacle 26 for the wear-resistant component 131.
  • the receptacles 26 and 45 may be coordinated with each other so that a frictional press connection between the holder 25 and the wear-resistant member 131 is present. If the holder 25 is designed as an injection-molded part, it is advantageous that a portion of the wear-resistant component 131 is encapsulated by the material of the holder 25.
  • the wear-resistant component can for this purpose be inserted into the injection mold of the holder 25, so that the liquid material flows around the receptacle 45 of the wear-resistant component 131.
  • the receptacle 45 may then have projections and / or profiles in a configuration, not shown, in order to ensure a particularly good fixation in the material of the holder 25.
  • the other two wear-resistant components 142 and 143 are designed analogously and fastened in the compressor unit 120.
  • the three wear-resistant components 141, 142, 143 are aligned with each other and connected in the aligned state with the holder 25.
  • the injection mold for the holder 25 has a convexly curved surface which is adapted to the circumferential surface of a cylinder and onto which the wear-resistant components can be placed.
  • the convexly curved and the peripheral surface of a cylinder adapted surface in the injection mold simulates the drafting roller 3 and ensures that the compressor unit 120 rests well on the drafting roller 3 after fixing the wear-resistant components.
  • Each wear-resistant component 141, 142, 143 has a relatively small bearing surface 131, 132, 133, which can be produced with good accuracy even when manufacturing the wear-resistant component from a very hard material without too much manufacturing effort.
  • By aligning the wear-resistant components 141, 142, 143 to each other can be dispensed with a post-processing of the support surfaces 131, 132, 133 after fixing the wear-resistant components on the holder 25 in most cases. If a post-processing of the bearing surfaces is provided, this may be minor.
  • the compressor unit 120 is movably mounted on the base body 19 of the pressure roller assembly 18 via means 21 for fastening.
  • the fastening means 21 comprise a sliding guide 50, a loading element 27 and a captive securing device 52.
  • the loading element 27 is a helical compression spring.
  • the compressor unit 120 has a receptacle 28 for the helical compression spring 27.
  • the helical compression spring 27 is seated in the receptacle 28 and is supported against the base body 19.
  • the loading element 27 thereby generates a bearing force on the bearing surfaces 131, 132, 133.
  • the helical compression spring 27 is arranged in the axial direction D in the middle between the bearing surfaces 131 and 132.
  • the compressor unit 120 may include a magnet 29.
  • the helical compression spring 27 can be dispensed with, depending on the application.
  • the loading element 27 is pneumatically actuated.
  • the helical compression spring 27 may be arranged in the receptacle 28 a pressurized air cushion-shaped element (not shown), which generates the bearing force.
  • the cushion-shaped element is preferably designed autonomously without compressed air supply.
  • the sliding guide 50 as part of the connecting means 21 provides a defined mobility of the compressor unit 120.
  • the compressor unit 120 includes a stop surface 51 for positioning compressor unit 120 in the circumferential direction C of the drafting roller 3.
  • the compressor unit 120 has the tendency by the rotation of the drafting roller 3 in the circumferential direction C. to be taken.
  • the stop surface 51 defines itself defined on the base body 19.
  • the stop surface 51 is arranged centrally between the two compression channels 14 and 14 '.
  • the connecting means 21 comprise a clip 52, which forms a captive securing device for the compressor unit 120.
  • the clip 52 prevents the compressor unit 120 from slipping out of the slide guide 50 when the pressure roller assembly 18 is lifted from the lower roller 3.
  • the compressor unit 120 contains at least one guide surface 23 or 23 'for the fiber structure 2.
  • the guide surface 23 may guide the fiber structure 2 in the form of a cylindrical guide element and possibly easily from the shortest imaginary line connecting the exit of the Deflect guide straps 7, 8 and the clamping line 5. The fiber structure 2 then wraps around a part of the convex guide surface 23.
  • the guide surface 23 may be arranged on a wear-resistant component, which - as indicated by the dashed lines - is attached to the holder 25.
  • the guide surface 23 is designed for the fiber structure 2 as a tapered guide channel, which already causes a compression of the fiber structure 2 in the main draft zone.
  • an enlarged compressor unit 120 which additionally contains guide surfaces 24, 24 'for the yarn 10.
  • the guide surfaces 24 may also be arranged on wear-resistant components which are immovably connected to the holder 25.
  • FIGS. 3 to 5 show a second embodiment of a compressor unit 320.
  • the compressor unit 320 can be used for two adjacent drafting units 1 and 1 '.
  • the compressor unit 320 includes two compression channels 14, 14 'for finished warped fiber composites 11, 11'.
  • the compressor unit 320 includes a first support surface 331 for positioning the compressor unit 320 on a drafting roller 3, which is arranged in the region of the compression channel 14.
  • the support surface 331 is separated by the compression channel 14 into two parts that do not touch. Nevertheless, in the sense of the present patent application, only one bearing surface 331 in the region of the compression channel 14 is discussed.
  • the compressor unit 320 has a second bearing surface 332 for the drafting roller 3, which is arranged in the region of the compression channel 14 '.
  • the compressor unit 320 includes two further bearing surfaces 333 and 334, which are spaced in the circumferential direction C of the bearing surfaces 331 and 332.
  • the distance in the circumferential direction C is preferably 7.5 mm to 9.5 mm in order to ensure a stable support of the compressor unit 320.
  • the first bearing surface 331 is spaced from the second bearing surface 332 only in the axial direction D of the drafting roller 3 which can be brought into contact with the bearing surfaces.
  • the third bearing surface 333 is spaced apart from the fourth bearing surface 334 only in the axial direction D of the drafting roller 3.
  • the compressor unit 320 contains a guide surface 23 for a fiber structure 2 in the area of the third support surface 333 and a guide surface 23 * in the area of the fourth bearing surface 334.
  • the guide surfaces 23 and 23 ' are designed as tunnel-shaped compression channels, which are open to the support surface 333 or 334 out.
  • the guide surfaces 23 cause a compression of the fiber structure 2 in the main drafting zone of the drafting system 1.
  • the guide surfaces 23 may possibly deflect the fiber structure 2 somewhat from the stretching field plane, as shown in the guide surface 23 in Figure 1.
  • the two guide surfaces 23, 23 'for the fiber structure 2, 2' are approximately the same distance apart as the two compression channels 14, 14 ' the finished warped fiber structure 11, 11 '.
  • the compressor unit 320 is formed in several parts and includes a holder 25 and four wear-resistant components 341, 342, 343 and 344, which are immovably connected to the holder 25. At each wear-resistant component 341, 342, 343, 344, a support surface 331, 332, 333, 334 for positioning the compressor unit 320 on the lower roller 3 is arranged.
  • the wear-resistant components 341 and 342 have at least one compression channel 14 and 14 'for a completely warped fiber structure 11, 11'.
  • the wear-resistant components 341 and 342 may also be referred to as compressor components.
  • the wear-resistant components 343 and 344 each have a guide surface 23, 23 'for a fiber structure 2, 2'.
  • the bearing surfaces 331, 332, 333 and 334 are concavely curved, with all the bulges being adapted to the peripheral surface of a common cylinder.
  • "Cylinder” is understood here as a designation of a geometric base body, which occupies the place of the drafting roller 3, which is later present in the operating state, during the production of the compressor unit 320.
  • the receptacle 26 is formed by a pin 53 which protrudes from the holder 25.
  • the compressor unit 320 includes a rod 54. The rod 54 is inserted into the holder 25 and a protruding end of the rod 54 forms the pin 53rd
  • the wear-resistant component 341 has a receptacle 45 for the pin 53 protruding from the holder 25.
  • the receptacle 45 is formed by a blind hole.
  • the blind hole 45 may be slightly conical, for example when the wear-resistant component 341 is made of ceramic.
  • the wear-resistant member 341 includes a second receptacle 45 '.
  • the recording 45 ' is also as Blind hole formed. It is located - seen in a section along the center line of the concave support surface 331 - with respect to the compression channel 14 on the opposite side as the receptacle 45.
  • the wear-resistant component shown in Figure 5 can be both as wear-resistant component 341 and as a wear-resistant component 342 use. The variety of parts of the wear-resistant components can be reduced thereby. If the wear-resistant component shown in FIG. 5 is used as a wear-resistant component 342, it is fastened to the holder 25 with the receptacle 45 '. The blind hole 45 then remains empty.
  • the rod 54 from the drafting system 1 through to the drafting 1 'executed.
  • the rod 54 is preferably made of hardened steel.
  • the rod 54 extends between two adjacent drafting units 1 and 1 'associated wear-resistant components 341 and 342.
  • the ends 53 of the rod 54 project into the wear-resistant components 341 and 342 inside.
  • the rod 54 has a diameter of at least 2 mm or more in at least one region.
  • the rod 54 has a diameter of 3 mm or more.
  • the blind hole 45 has a diameter which is slightly larger than the diameter of the pin 53.
  • the gap between pin 53 and blind hole 45 is filled by the adhesive.
  • the arc length of the support surface 331 - seen in each section perpendicular to the center line of the support surface 331 - is less than 10 mm and preferably even less than 8 mm, to facilitate the production of the wear-resistant component 341.
  • the center line of the support surface 331 corresponds to the center line of the cylinder, on whose peripheral surface the curvature of the support surface 331 is adjusted.
  • the support surface 331 must be very accurate so that the tunnel-shaped compression channel 14 rests tightly on the lower roller 3 with its guide walls 46 immediately adjacent to the support surface 331. Since the required accuracy of the concave support surface 331 can be ensured in most cases only by a grinding process, the smallest possible contact surface 331 reduces the effort during grinding.
  • the center line of the blind hole 45 extends parallel to the center line of the support surface 331.
  • the compression channel 14 extends - in a section along the center line of the blind hole 45, so as shown in Figure 5 - below the base 47 of the blind hole 45.
  • This embodiment has the advantage that the compression channel 14 does not cross with a blind hole 45. Due to the small arc length of the bearing surface 331 and the associated small outer dimensions of the wear-resistant member 341 above the support surface 331 in conjunction with the large diameter of the blind hole 45 can be prevented so that the compression channel 14 is cut by a blind hole 45.
  • the wear-resistant components 343 and 344 are designed analogously to the wear-resistant component 341. Instead of the compression channel 14, a guide surface 23 is provided.
  • the compressor unit 320 includes a second rod 56, the ends 55 of which protrude from the holder 25 in a pin-like manner, analogously to the rod 54, in order to receive the wear-resistant components 343 and 344 at their blind holes 45.
  • the wear-resistant components 341, 342, 343, 344 are arranged cantilevered on the holder 25 of the compressor unit 320, since they are attached to the compressor unit 320 only on one side.
  • the holder 25 and its mounting region, ie the receptacle 26, is - as can be seen in particular in FIG. 5 - only on one side of the compression channel 14.
  • the wear-resistant component 341 which is elongated along the center line of the concave support surface 331 and is designed like a prism is only on its side End face connected to the holder 25.
  • the elongated wear-resistant components 341, 342, 343, 344 which are cantilever-mounted on load, in particular in the circumferential direction C alone, may not be sufficiently stable.
  • the stabilizing member 57 is not connected to the holder 25.
  • the stabilizing component 57 designed as a kind of "yoke" connects two wear-resistant components 342 and 344 with each other.
  • the stabilizing member 57 increases the stability of the cantilevered wear resistant members 342 and 344 at elevated circumferential direction loads C.
  • the stabilizing member 57 may preferably be a correspondingly curved round profile.
  • the stabilizing member 57 may preferably be mounted in the unused receptacles or blind holes 45 of the wear resistant members 342 and 344.
  • the wear-resistant components 341 and 343 can be connected to a stabilizing component, not shown.
  • the compressor unit 320 is preferably produced such that the wear-resistant components 341, 342, 343 and 344 are prefabricated and preferably completely finished.
  • the holder 25 with the receptacles 26 for the wear-resistant components is also prefabricated.
  • the receptacles 45 on the wear-resistant components 341, 342, 343, 344 are dimensionally adjusted so that they have to the recordings 26 game.
  • the wear-resistant components are fixed by adhesive bonding on the holder 25.
  • an auxiliary device having a convexly curved surface adapted to the peripheral surface of a cylinder is used.
  • the diameter of the cylinder corresponds as closely as possible to the diameter of the drafting roller 3.
  • An adhesive is now applied in the region of the receptacles 26 and / or the receptacles 45.
  • the wear-resistant components 341, 342, 343, 344 are then placed on the holder 25.
  • the blind holes 45 are thereby pushed onto the pins 53 and 55.
  • the compressor unit 320 with the still movable by the soft adhesive wear-resistant components 341, 342, 343, 344 is placed on the convex curved and the peripheral surface of a cylinder adapted surface of the auxiliary device.
  • the compressor unit 320 is held in this state until the adhesive hardens and fixes the wear-resistant components on the holder 25. When the adhesive has cured, the compressor unit 320 is in most cases ready for use.
  • the bearing surfaces 331, 332, 333, 334 after fixing the wear-resistant components 341, 342, 343, 344 on the holder 25 finally still be ground once to improve the support of the compressor unit 320 on the drafting roller 3 even further.
  • a connecting means 21 in the form of a leaf spring 58 is provided for fixing the compressor unit 320 on the pressure roller assembly 18.
  • the leaf spring 58 is at the same time a loading element for generating a bearing force on the bearing surfaces 331, 332, 333, 334.
  • the leaf spring 58 is fastened with a screw 59 on the base body 19 of the pressure roller assembly 18. Together with the leaf spring 58, the screw 59 can also attach the leaf spring 322 to the base body 19.
  • the compressor unit 320 may include a magnet 29 shown in dashed lines.
  • the compressor unit 320 has a receptacle 28 for the leaf spring 58.
  • the receptacle 28 is in the form of a joint, which is preferably formed by a cylindrical pin 63, around which the leaf spring 58 is bent around.
  • the compressor unit 320 is movable and can be aligned when placing the pressure roller assembly 18 on the lower roller 3, so that the bearing surfaces 331, 332, 333 and 334 rest well on the peripheral surface 13. Due to the leaf spring 58 bent around the journal of the joint 28, the compressor unit 320 can not fall out of the pressure roller assembly 18.
  • the captive 52 is thus formed by the loading element 58.
  • the assembly of the compressor unit 320 includes the loading element 58.
  • the leaf spring 58 is thus supplied with the compressor unit 320 and may be adapted in its loading force to the requirements of this particular compressor unit 320.
  • the compressor unit 320 For positioning the compressor unit 320 in the circumferential direction C, the compressor unit 320 has a stop surface 51, which is preferably arranged centrally between the wear-resistant components 341 and 342. In an embodiment, not shown, two spaced stop surfaces 51 may be provided, which are arranged symmetrically between the two wear-resistant components 341 and 342.
  • the stop surface 51 is supported on the base body 19 or on the axis 17.
  • the surface 61 for supporting the abutment surface 51 is designed on the base body 19 such that it has a constant radius about the center line of the pressure roller axis 17. It is thereby ensured even then a correct position of the compressor unit 320 when the top rollers 4, 15, in particular the top roller 4, are reground when worn on their elastic covers.
  • two guide surfaces 24 and 24 'for the finished yarn 10 and 10' may be provided.
  • the guide surfaces 24, 24 'of the holder 25 of the compressor unit 320 in dashed lines shown downstream of the compression channels 14, 14' increases.
  • the guide surfaces 24, 24 ' can be formed by a rod 60 inserted into the holder 25.
  • the guide surfaces 24, 24 'to be arranged on separate wear-resistant components, which are connected to the holder 25.
  • the wear-resistant components with the guide surfaces 24, 24 ' may also have bearing surfaces for the drafting roller 3, and may for example be designed and fastened analogously to the wear-resistant component 341.
  • the compressor unit 320 may also be arranged pivotably in the base body 19 of the pressure roller assembly 18.
  • a cylindrical pin can be arranged which fixes the compressor unit 320 to the main body 19 as a connecting means.
  • the compressor unit 320 is pivotable about the centerline of the pin. If the compressor unit 320 is attached to a pin, it may be sufficient if the compressor unit 320 has only two bearing surfaces 331 and 332. On the support surfaces 333 and 334 in the region of the guide surfaces 23 and 23 'may then be waived if necessary.
  • the guide surfaces 23, 23 'can preferably be formed directly by the outer circumference of a somewhat extended rod 56.
  • the rod 56 for example made of hardened steel, then forms a wear-resistant component attached to the holder 25.
  • FIGS. 6 and 7 show a third embodiment of a compressor unit 620.
  • the compressor unit 620 is associated with only one drafting device 1 and contains a compression channel 14 for a finished warped fiber structure 11.
  • the compressor unit 620 includes a bearing surface 631 for positioning the compressor unit 620 on the drafting roller 3, which is arranged in the region of the compression channel 14.
  • the support surface 631 is concave and adapted to the peripheral surface 13.
  • the compressor unit 620 is designed in several parts and contains a holder 25 and a wear-resistant component 641, which is immovably connected to the holder 25.
  • the bearing surface 631 is arranged on the wear-resistant component 641.
  • the compressor unit 620 includes a further bearing surface 633 for the drafting roller 3, which is spaced in the circumferential direction C of the support surface 631.
  • the support surface 633 may be flat or convex.
  • the bearing surface 633 is preferably arranged on a wear-resistant component 643. Alternatively, the bearing surface 633 may be arranged directly on the compressor unit 620 even without a wear-resistant component 643.
  • the attachment of the wear-resistant components 641 and 643 is preferably carried out as has already been described in relation to the other figures.
  • a third support surface 632 (shown in phantom), which is preferably also arranged on a wear-resistant component.
  • the bearing surfaces 631, 632, 633 and the loading element 27 are preferably arranged relative to one another such that the loading element in the view of FIG. 7 lies within an imaginary surface formed by the imaginary shortest connecting lines between the centers of the bearing surfaces 631, 632 and 633 ,
  • the compressor unit 620 is designed only for a single drafting system 1 and thereby has the advantage that any disturbances occurring on the drafting 1 not on the adjacent drafting V can transmit. However, it is, as in the other embodiments, a pressure roller assembly 18 for two adjacent drafting 1, 1 'is provided. In the pressure roller assembly 18, two separate compressor units 620 and 620 'are arranged, which are preferably designed mirror-symmetrical to each other. The compressor units 620 and 620 'are mounted separately movable on the pressure roller assembly 18.
  • Means 21 for fastening the compressor unit 620 to the pressure roller assembly 18 are provided, which include a sliding guide 50, a clip 52 as captive and a helical compression spring 27 as a loading element for generating a bearing force on the support surface 631, 633.
  • the sliding guide 50 can also be dispensed with.
  • the compressor unit 620 can be hung with connecting means 21 'on the axis 17 of the pressure roller twin 15 and pivotable about the axis 17, as shown in dashed lines in Figure 6.
  • a stop surface 51 is provided for positioning the compressor unit 620 in the circumferential direction C, which is supported on the axis 17. In this case, can be dispensed with the support surface 632, the spring 27 and the captive 52 remain, however, as shown.
  • the compressor unit 620 may include a guide surface 23 for the fiber structure 2 and / or a guide surface 24 for the yarn 10.
  • the guide surfaces 23 and 24 may be designed analogously to the embodiments already described with reference to the other figures. It may also be advantageous to arrange the support surface 633 in the region of the guide surface 23, and to provide there a wear-resistant component similar to the wear-resistant component 343.
  • the wear-resistant member 641 is cantilevered to the compressor unit 620.
  • the means 21 for fastening the compressor unit 620 can thereby be arranged in the region between the drafting units 1, 1 ', where the space is less cramped than between the covers of the pressure roller twins 4 and 15 on the support surface 631 opposite side of the wear-resistant component 641st

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Compressor (AREA)

Abstract

L'invention concerne une unité de compression pour un banc d'étirage de machine textile, comportant au moins un canal de compression pour un assemblage de fibres étiré, cette unité de compression étant formée de plusieurs parties. L'unité de compression comporte un support et au moins un élément résistant à l'usure relié de manière fixe au support. L'invention porte également sur un élément résistant à l'usure destiné à une unité de compression de ce type, sur un procédé de fabrication d'une unité de compression et sur un ensemble rouleaux presseurs pourvu d'une unité de compression de ce type.
EP09733885.9A 2008-04-24 2009-04-21 Unité d'étanchéification et ensemble rouleaux presseurs pour un banc d'étirage de machine textile Active EP2291560B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10195665.4A EP2314743B1 (fr) 2008-04-24 2009-04-21 Système de cylindres de pression pour un dispositif d'étirage d'une machine textile

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008022283 2008-04-24
DE102008057617A DE102008057617A1 (de) 2008-04-24 2008-11-11 Verdichtereinheit und Druckwalzenaggregat für ein Streckwerk einer Textilmaschine
PCT/EP2009/002879 WO2009129987A2 (fr) 2008-04-24 2009-04-21 Unité de compression et ensemble rouleaux presseurs pour un banc d'étirage de machine textile

Related Child Applications (3)

Application Number Title Priority Date Filing Date
EP10195665.4A Division EP2314743B1 (fr) 2008-04-24 2009-04-21 Système de cylindres de pression pour un dispositif d'étirage d'une machine textile
EP10195665.4A Division-Into EP2314743B1 (fr) 2008-04-24 2009-04-21 Système de cylindres de pression pour un dispositif d'étirage d'une machine textile
EP10195665.4 Division-Into 2010-12-17

Publications (2)

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EP2291560A2 true EP2291560A2 (fr) 2011-03-09
EP2291560B1 EP2291560B1 (fr) 2016-07-06

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Application Number Title Priority Date Filing Date
EP09733885.9A Active EP2291560B1 (fr) 2008-04-24 2009-04-21 Unité d'étanchéification et ensemble rouleaux presseurs pour un banc d'étirage de machine textile
EP09734722.3A Active EP2300646B1 (fr) 2008-04-24 2009-04-21 Unité de compression pour un banc d'étirage de machine textile
EP10195665.4A Active EP2314743B1 (fr) 2008-04-24 2009-04-21 Système de cylindres de pression pour un dispositif d'étirage d'une machine textile
EP09735562.2A Active EP2300647B1 (fr) 2008-04-24 2009-04-21 Unite de compression pour un banc d'etirage de machine textile

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EP09734722.3A Active EP2300646B1 (fr) 2008-04-24 2009-04-21 Unité de compression pour un banc d'étirage de machine textile
EP10195665.4A Active EP2314743B1 (fr) 2008-04-24 2009-04-21 Système de cylindres de pression pour un dispositif d'étirage d'une machine textile
EP09735562.2A Active EP2300647B1 (fr) 2008-04-24 2009-04-21 Unite de compression pour un banc d'etirage de machine textile

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EP (4) EP2291560B1 (fr)
JP (4) JP5426659B2 (fr)
CN (3) CN102016142B (fr)
BR (3) BRPI0910483B1 (fr)
DE (3) DE102008057617A1 (fr)
ES (2) ES2561843T3 (fr)
WO (3) WO2009129987A2 (fr)

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Publication number Publication date
BRPI0910726A2 (pt) 2015-09-29
EP2300647A1 (fr) 2011-03-30
WO2009129988A1 (fr) 2009-10-29
WO2009129986A1 (fr) 2009-10-29
DE102008057617A1 (de) 2009-11-05
CN102037170B (zh) 2013-10-30
ES2561843T3 (es) 2016-03-01
JP2011518962A (ja) 2011-06-30
EP2300647B1 (fr) 2014-07-02
EP2314743B1 (fr) 2015-12-02
CN102037170A (zh) 2011-04-27
CN102016142B (zh) 2014-03-12
JP5663066B2 (ja) 2015-02-04
CN102027164B (zh) 2012-12-05
BRPI0910772A2 (pt) 2015-09-29
JP2011518963A (ja) 2011-06-30
CN102016142A (zh) 2011-04-13
DE102008057668A1 (de) 2009-10-29
WO2009129987A3 (fr) 2010-01-21
EP2300646B1 (fr) 2017-03-08
JP2014001492A (ja) 2014-01-09
WO2009129987A2 (fr) 2009-10-29
BRPI0910772B1 (pt) 2019-10-15
BRPI0910726B1 (pt) 2019-10-15
JP5361989B2 (ja) 2013-12-04
EP2314743A1 (fr) 2011-04-27
EP2291560B1 (fr) 2016-07-06
JP5426659B2 (ja) 2014-02-26
DE102008057667A1 (de) 2009-10-29
CN102027164A (zh) 2011-04-20
EP2300646A1 (fr) 2011-03-30
BRPI0910483A2 (pt) 2017-11-14
WO2009129986A8 (fr) 2011-02-17
ES2587270T3 (es) 2016-10-21
BRPI0910483B1 (pt) 2019-09-10
JP2011518961A (ja) 2011-06-30

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