WO2008151608A1 - Rundstrickmaschine zur herstellung von strickwaren unter zumindest teilweiser anwendung von fasermaterialien - Google Patents
Rundstrickmaschine zur herstellung von strickwaren unter zumindest teilweiser anwendung von fasermaterialien Download PDFInfo
- Publication number
- WO2008151608A1 WO2008151608A1 PCT/DE2008/000945 DE2008000945W WO2008151608A1 WO 2008151608 A1 WO2008151608 A1 WO 2008151608A1 DE 2008000945 W DE2008000945 W DE 2008000945W WO 2008151608 A1 WO2008151608 A1 WO 2008151608A1
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- WO
- WIPO (PCT)
- Prior art keywords
- drafting
- drive
- circular knitting
- knitting machine
- partition wall
- Prior art date
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Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B9/00—Circular knitting machines with independently-movable needles
- D04B9/16—Circular knitting machines with independently-movable needles with provision for incorporating internal threads in laid-in fabrics
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B9/00—Circular knitting machines with independently-movable needles
- D04B9/14—Circular knitting machines with independently-movable needles with provision for incorporating loose fibres, e.g. in high-pile fabrics
Definitions
- Circular knitting machine for the production of knitwear with at least partial use of fiber materials
- the invention relates to a circular knitting machine of the type specified in the preamble of claim 1.
- Known circular knitting machines of this kind are characterized by the fact that, instead of conventional yarns, predominantly or exclusively threads are used for stitch formation, which consist of drawn fiber materials. These fiber materials are stretched immediately before the stitch formation with the aid of drafting systems associated with the knitting systems, to which fly-downs, drawstrings or the like are fed as primary materials. If necessary, these fiber materials between the drafting and the knitting systems can be converted with the help of spinning devices into temporary yarns with real rotations, which enable transport of the sensitive fiber materials even over longer distances and disappear before the loop formation by the false-twist effect again. Therefore, the stitching is done not with the help of conventional yarns, but with the help of threads that have little or no twists.
- a problem with circular knitting machines of this type is that due to the processing of fly-backs, drawstrings or the like, there is a great lint formation in the area of the knitting systems, which is associated with flying fibers, dirt particles or the like. This applies regardless of whether the fiber material consists of pure cotton or any suitable fiber mixture.
- the drive units used to drive the drafting systems since they are largely exposed, tend to so fast a contamination that frequent cleaning work must be performed, which interferes with the knitting process. Or it must be provided comparatively elaborate constructions, which complicates necessary operation and maintenance.
- the invention is based on the technical problem of knitting machine of the type described initially in such a way that with relatively simple means a largely trouble-free operation of the drive units and thus the circular knitting machine can be ensured.
- a cost-effective drive system for the drafting systems are proposed.
- the invention has the advantage that the partition wall a fiber-tight separation of the underlying lying, responsible for the unwanted generation of fiber fly drafting rollers of the above the partition wall arranged drive units allows the od optimally against flying around fibers od.
- the like Protected.
- the partition simultaneously creates a mounting plane to which all important for the fiber supply components, in particular the drafting units and their drive units can be mounted.
- the dividing wall is arranged at such a height above the usual working space, in particular above the knitting systems of the circular knitting machine, that the drafting systems do not constitute a significant impediment to the operators working on the circular knitting machine, but are still within their gripping range.
- Figure 1 is a schematic vertical section through an already proposed circular knitting machine for the production of knitwear with at least partial application of fiber materials.
- FIG. 2 shows a plan view of the circular knitting machine according to FIG. 1 with the omission of an auxiliary thread and with the addition of spinning devices;
- FIG. 3 shows a schematic vertical section through a circular knitting machine with a partition according to the invention;
- FIGS. 4, 5 and 6a, 6b show various types of drafting arrangements connectable to the dividing wall according to FIG. 3;
- Fig. 7a is a perspective view of a first embodiment of a connectable to the partition wall of Figure 3 insertion part for drafting device organs.
- FIGS. 7b and 7c show a second embodiment of the insertion part in a perspective view and a plan view
- FIG. 8 is a schematic plan view of a drive unit in the form of a tangential belt drive according to the invention.
- FIG. 9 shows a pulley of the tangential belt drive according to FIG. 8;
- FIG. 10a shows a bottom view of a segment of the dividing wall according to FIG. 3 with a view of some drafting devices mounted thereon according to a first variant
- Fig. 12a is a schematic and perspective view of a drive unit and the gear parts of Fig. IIa omitting the partition wall segment;
- FIGS. 10b to 12b show views corresponding to FIGS. 10a to 12a according to a second variant
- FIG. 12c is a front view of a drive unit for an input roller pair of the drafting arrangement according to FIGS. 10a to 12b;
- FIG. 12d shows a side view of a drive unit for the draw rolls of a folding zone of the drafting arrangement according to FIGS. 10a to 12a in the direction of an arrow u in FIG. 12a;
- FIG. 12g shows a side view of a drive unit for the draw rolls of a folding zone of the drafting arrangement according to FIGS. 10b to 12b in the direction of an arrow v in FIG. 12b, wherein a spur wheel, which is not visible per se, is shown rotated out of the plane of the drawing by 90 °;
- Fig. 14 is a view similar to Figure 13, but after the attachment of a covering the drive units cover on the partition wall.
- 15 and 16 are each a bottom view and plan view of a second embodiment of a partition wall segment according to the invention with drafting parts mounted thereon;
- FIG. 17 is a plan view of a plurality of juxtaposed segments according to FIGS. 15 and 16;
- FIG. 18 is a side view of a partition wall segment of FIGS. 15 and 16;
- Figures 22 and 23 are each a side view and plan view of a nozzle block connected to the partition of Figure 3;
- Fig. 24 is a side view of a second embodiment of the nozzle block.
- the drafting devices 8 are arranged so that they are like the knitting systems 6 in the grip region of the operating on the circular knitting machine 1 operator 5, but above it.
- the drafting 8 z. B. attached to a support ring 15 which is supported by means of columns 16 on a base or lock plate 17 of the circular knitting machine 1.
- the arrangement is such that the clamping lines formed by three or more pairs of drafting rollers 18 of the drafting units 8 lie in vertical planes. This is achieved by arranging the axes of the drafting rollers 18 vertically in a fitted state.
- additional spinning devices 21 between the drafting units 8 and 8 are preferably shown in FIG provided the thread guides 12. These spinning devices 21, as is known from the cited documents, for.
- the spinning devices 21 serve the purpose of first converting the emerging from the drafting 8 threads 11 into temporary yarns with real rotations, which between the Ends of the spinning tubes 23 and the knitting systems 6 due to the so-called. False-wire effect be resolved again.
- the drafting rollers 18 are vertical, they can be easily driven by extending in the circumferential direction of the needle cylinder 2, circularly mounted drive belt. For this it is only necessary, the waves of each so-called lower roller of the three roller pairs shown at their upper ends z. B. to be provided with a toothed belt pulley, as explained below.
- FIG. 3 shows a circular knitting machine which, like the circular knitting machine 1 according to FIGS. 1 and 2, can also have a second needle contour, as shown schematically by additional, e.g. B. arranged in a dial Ripple knitting needles 25 is indicated. Unless otherwise stated, in FIG. 3, the same parts are given the same reference numerals as in FIGS. 1 and 2.
- the circular knitting machine 1 has, instead of or in addition to the supporting ring 15, a dividing wall 26 which is transverse and preferably vertical. right to a simultaneously the axis of rotation of the Nadelzy Linders 2 (Fig. 1) forming, usually vertically extended machine axis 27 and expediently arranged coaxially to this and, for example, plate-shaped.
- a dividing wall 26 which is transverse and preferably vertical. right to a simultaneously the axis of rotation of the Nadelzy Linders 2 (Fig. 1) forming, usually vertically extended machine axis 27 and expediently arranged coaxially to this and, for example, plate-shaped.
- the partition wall 26 is formed and / or arranged to effect a fiber-tight separation of the drive units 28 from the drafting units 8, by "fiber-tight" meaning that the fibers, fluff, dirt particles, etc. produced by the drafting units 8 pass through the partition wall 26 are largely prevented from the drive units 28 and also do not pass through openings provided in the partition 26 through to the drive units 28. Therefore, the partition wall 26 preferably covers all existing drafting systems with its projection. In addition, the partition wall 26 is at the same time a mounting wall for the said components, but it is hereinafter referred to simply as a partition for the sake of simplicity.
- the partition wall 26 is preferably provided on its upper side with a fiber-tight attached to her, preferably hood-shaped cover 30 which forms with her an annular, fiber-tight closed housing for receiving the drive units 28, so that they are not through inside or outside of the partition wall 26 flying around fibers can be contaminated.
- the cover 30 can be supplemented by the machine axis 27 by further covering elements 31, 32 which bound a fiber-tight space.
- the auxiliary threads 14 are in this case z. B. led by means of a tube 33 through this space to the knitting systems 6.
- the pipe 34b of the central suction also detects with channels 34d all outlets which exit between the spinning tubes of a spinning device 21 at the transition points from a spinning system to a subsequent spinning system. These outlets consist of shell parts and unspinnbaren short fibers. They are not recycled.
- the channels 34a, 34b of the central suction 34 are arranged concentrically, whereby all associated, radially extending suction channels 34c, 34d have the same negative pressure conditions within their category.
- the fiber guiding systems 8 are attached. As shown schematically in FIG. 3, unlike in FIGS. 1 and 2, these can have horizontally arranged draw rolls 35 and / or vertically arranged draw rolls 36.
- the horizontal drafting rollers 35 of a pre-drafting field are preferably rotatably mounted in one or more, preferably extractable drafting device housings 37, which are connected by means of screws, bayonet catches or the like, preferably easily releasably connected to the partition wall 26.
- the shafts 39 can be connected via the separating wall 26 by projecting coupling elements 40 with associated drive elements of the drive units 28, as schematically indicated in Fig. 3 and explained in more detail below.
- a Fiber guide can be provided by conventional Rier ⁇ chen 48, which form a strap assembly with the center rollers 45.
- the straps 48 associated turning rails or deflecting elements are not shown separately.
- the drive units required for driving the drafting rollers 44 to 46 are fastened to the latter above the dividing wall 26 and are in operative connection through the dividing wall 26 with associated drafting rollers 44, 45 and 46.
- a rotatably projecting drive shaft 49 rotatably provided with a above the partition wall 26 arranged Stirnyak- wheel 50 and above or below the partition wall 26 with a driving (sub) roller of the input roller pair I is coupled.
- the partition 26 preferably also protruding drive shaft 51 for the draw roll 45, which forms the lower roll of the middle roll pair II, a spur gear 52 and in a plane above a pulley 53 are attached.
- the partition 26 z. B the partition 26 z.
- top rollers of the roller pairs I, II and III are z. B. in conventional pressure arms (eg., 19 in Fig. 2) and od by means of spring force or the like. Against the lower rollers 44, 45 and 46 biased so that they are offset by these by friction in revolutions.
- Fig. 5 shows details of a double, analogous to Figs. 1 and 2 formed 3-roller drafting system 8a. This differs from that of FIG. 4 mainly in that the three drafting device pairs I, II and III form two tracks for each fiber strand of material, which extend below the partition wall 26 in two superimposed planes.
- two superimposed insertion funnels 43a, 43b attached to the partition wall 26 while on the other hand the turn vertical and perpendicular to the partition wall 26 drive shafts 49, 51 and 54 each with two coaxially stacked draw rolls 44a, 44b, 45a, 45b and 46a, 46b are coupled.
- straps 48a, 48b may be provided, which together with the center rollers 45a, 45b each form a strap assembly.
- the strap assemblies are disposed in a common insertion portion 56 which is normally secured to the dividing wall 26 during operation of the circular knitting machine, but upon release of preferably easily detachable fasteners in the direction of an arrow x downwardly can be pulled out of the drafting 8a.
- the shaft on which driven strap assemblies are seated can be decoupled when the insertion part 56 is withdrawn from the drive shaft 51 provided thereon and provided coaxially with the belt pulley 53. The periodically necessary change of straps is facilitated by this design.
- the pairs III and IV of the draw rolls are z.
- the pairs II and III represent a folding zone, wherein the distance between the draw rollers 62 of the pair II and those of the pair III is selected such that the distance from the second Pair II emergent fiber stream is folded through the pair III in a characteristic manner, as proposed in another, earlier application of the same Applicant (PCT WO 2007/093164).
- the driving (sub) rollers of the pairs III and IV are arranged vertically during operation and are therefore preferably driven analogously to FIG. Since the axes of the drafting rollers 61, 62 of the first two pairs I and II are arranged horizontally. are net, they can not be directly driven by the vertical drive shafts 49 (Fig. 5) corresponding drive shafts. Therefore, between a here provided with the spur gear 50 drive shaft 66 and the lower rollers 62 supporting shaft of the second pair H z. B. a bevel gear 67 and a as indicated in Fig. 3 and 6 respectively indicated by a black triangle coupling 40.
- the drafting rollers 62 are coupled via the bevel gear 67, the clutch 40 and the spur gears 50 and 52 drivingly with the drive shaft 51 and the pulley 53.
- the shafts of the lower rollers 61 are coupled via a bevel gear 68 and a clutch 40 to a vertically disposed drive shaft 70 provided with a pulley 69. This makes it possible to arrange all provided above the partition wall 26 drive shafts 51, 54, 66 and 70 vertically.
- the drafting system 8b according to FIG. 6, like the drafting system according to FIG. 5, is designed as a tandem drafting system which has two identical pairs of draw rolls in superimposed planes and thus two webs for drawing two fiber material strands.
- the reference numeral 47a also fiber guide channels are indicated, which are formed by the intermediate pieces 47 of FIG. 4 and 5 corresponding intermediate pieces.
- Fig. 6b differs from that of Fig. 6a in that the insertion parts 56 and 63 are pivotally mounted instead of displaceable on the partition wall 26.
- a pivot point 134 is provided on the underside of the partition wall 26, by means of which a support arm 132 is pivotally mounted (arrow a) on the partition wall 26 and by means of a screw 133 od. Like. Solder is attached to this.
- a pivot point 134 is provided on the underside of the insertion part 63, by means of which a support arm 135 is pivotally mounted (arrow b) on the insertion part 63 and by means of a screw 136 od. Like. Solder is connected to this.
- the insertion part 56 is fastened to a part of the support arm 135 projecting beyond the insertion part 63 in the direction of the fiber transport.
- the Overall arrangement is also chosen such that by loosening the screw 133 both insertion parts 63 and 56 can be pivoted together by means of the support arm 132 in the direction of arrow a.
- the strap assemblies 64 become accessible by loosening the screw 136. Both insertion parts 56 and 63 can additionally be opened against each other.
- FIG. 6b also shows in more detail an exemplary rotatable mounting of the drive shafts 51, 54, 66 and 70 by means of bearings 137 to 140 mounted on the partition wall 26 and possible formation of the couplings 40 ( Figures 5 and 6a).
- these contain, on the one hand, coupling pins 75 which seat at the front ends of intermediate shafts 141, 142 leading to the bevel gear drives 67, 68.
- coupling pins for the drafting rollers 143 are present.
- the couplings 40 comprise coupling sleeves 76 which are adapted to the coupling pins 75 and which are formed at the front ends of the associated drive shafts 51, 66 and 70.
- the drive shafts 51 and 66 and the spur gears 50, 52 of the spur gear are preferably arranged fiber-tight in a housing attached to the partition 26.
- At least two drafting arrangements are located one above the other and have common drive elements, which lie above the separating surface 26.
- an insertion part 56 is shown, which is preferably used for a 3-roller drafting system according to Fig. 5.
- the insertion part 56 includes an egg-shaped in the view of the housing 71 which od on the outer sides with long legs 71 a with screw holes, threaded holes 72. The like. Is provided.
- deflecting elements 74 (turning rails) for the upper and lower drafting system are adjustably fastened to the transverse web 71b, via which the straps 48a, 48b are guided in a known manner.
- Fig. 7a further shows that z. B. the draw roll 45a or the shaft is axially longer than the adjacent draw roll 73a or the shaft is formed and z. B. the top of the legs 71 a with a z. B. four- or hexagonal coupling pin 75 according to Fig. 6b surmounted.
- This coupling pin 75 acts according to Fig. 6b positively with the open towards him coupling sleeve 76 together, which attached to the lower end of this strap assembly associated drive shaft 51, also z. B. four or hexagonal and is designed for rotationally fixed receiving the coupling pin 75. Is therefore z.
- FIG. 6b the draw roll 45a or the shaft is axially longer than the adjacent draw roll 73a or the shaft is formed and z. B. the top of the legs 71 a with a z. B. four- or hexagonal coupling pin 75 according to Fig. 6b surmounted.
- This coupling pin 75 acts according to Fig. 6b positively with the open towards him coup
- FIGS. 6a and 6b The types of drafting equipment shown in FIGS. 6a and 6b are folding drafting units, the insertion parts 56, 63 of which are designed to be either removable or swiveling from a partition wall 26.
- insertion part 56 z. B an embodiment Fig. 7b used. It has a cross-shaped housing 71 and is provided for use according to Fig. 6b.
- the housing 71 is connected to a support arm 135 on the insertion part 63 - see Fig. 6b - via a screw 136. After loosening the screw 136, the insertion part 56 can be pivoted.
- the hatched area of the housing 71 is in the operating state on the partition wall 26.
- the draw roller 143 is present in duplicate and each provided with the corresponding assignment of straps 48a, 48b, turning rails 74, etc.
- the drafting rollers 143 have couplings 40, via which the torque is introduced by the drive members above the dividing wall 26.
- FIG. 7c shows a plan view of FIG. 7b.
- the dashed circles symbolize the drive shafts 54 - output main delay field - including spring-loaded associated upper rollers. These components are connected to the partition wall 26 via bearings 138.
- the housing 71 includes the drafting rollers 143 as shown in Fig. 6b, which are connected via positive couplings 40 to the drive.
- the insertion part 56 can be pivoted away from the partition. As a result, the straps 48a and the turning rails 74 are freely accessible. The changing of the straps 48a, 48b and the adjustment of the turning rails 74 is facilitated or possible.
- the drive of the drafting systems described can be made in a usual way in drafting equipment. For example, it would be possible to assign a separate drive motor for the different lower rollers to each drafting arrangement 8, 8a and 8b according to FIGS. 3 to 6b. This would require three drive motors per drafting system in each of FIGS. 3, 6a and 6b, and in each case two drive motors per drafting system in FIGS. 4 and 5, which would be comparatively complicated in the case of a multi-dimensional circular knitting machine.
- Fig. 8 shows a plurality of arranged on a circle pulleys 77, wherein it is z. B. to the pulleys 53, 55 or 69 of all drafting 8th
- the pulleys 77 are formed as double pulleys according to FIG. 9, the two axially superimposed portions 77a and 77b for abutment of the drive belt 78 shown in FIG. 8 with a solid line and a second, in Fig. 7 and 8 have drive belt 83 shown by a dot-dash line. Therefore, the first drive belt 78 is shown in FIG. 8 and 9 z. B.
- the pulleys 81 can also be driven tangentially without alternating bending of the drive belts 78 and / or 83.
- the pulleys 81 may be formed like the pulleys 77, in which case one of the two portions 77a, 77b would remain free.
- the two sections 77a, 77b can be realized by two separate, sitting on the same shaft pulleys.
- the first drive belt 78 with a sufficiently large wrap angle of 90, for example To dispose the drive pulley 79, which is sufficient for the transmission of the required torques, whereas the pulleys 77 and 81 are only touched with comparatively small wrap angles of, for example, 10.degree .. This is sufficient at least for those pulleys. which only have to overcome the existing bearing friction, which is true, for example, for the pulleys 55 and 69 in Figures 4 to 6.
- auxiliary rollers 85 preferably abut either directly on the respective drive belt (eg 78) where it rests against the respective pulley 77 ( Figure 9a), or at one short (eg at most two teeth) in front of it lying position (Fig. 9b) in order to avoid the said harmful bends. Since the auxiliary rollers 85 only to ensure that the teeth of the pulleys and the drive toothed belt remain engaged, it is generally sufficient, the
- FIGS. 10a to 12a and FIGS. 10b to 12b respectively show a trapezoidal partition wall segment 26a on the one hand and two variants of a drafting arrangement mounted on this segment 26a, including the associated drive unit, on the one hand.
- the drive unit according to FIGS. 10a to 12a differs from the drive unit according to FIGS. 10b to 12b in the forwarding of the drive torques to the drafting device elements.
- the function of the fiber-guiding parts of the drafting device is the same for both variants.
- the segment 26a has equally long side edges 86a and 86b, a short inner edge 86c that comes to lie radially inward, and one of these opposite, long outer edge 86d.
- edges 86a to 86d are such that a plurality of such segments 26a may be juxtaposed in the manner of pie pieces and interconnected about the machine axis 27 ( Figure 3) to a circumferentially substantially closed ring. This is indicated in FIGS. 10a and 10b by two adjacent segments 26b and 26c shown only partially. Between the individual segments 26a to 26c preferably at most remain low, fiber-tight gaps 87, so that the segments can be assembled as a whole into a fäßerêtn partition that completely covers the space between the drafting and the drive units.
- each segment 26a is provided with a drafting arrangement consisting of two according to Fig. 6a, 6b drafters 8b formed, of which in the bottom view of FIG. 10a, 10b only the two lower pairs of rollers are visible.
- Each drafting unit 8b therefore contains two pairs I of input rollers 61, which each form a pre-draft zone (warping 6 to 10 times) with the rollers 62 of two further pairs of drafting rollers II.
- two such drafting units 8b are connected side by side per segment 26a to form a drafting arrangement which supplies the fiber materials required for four knitting systems and are connected to one another by common drive elements.
- the lower rollers or driving rollers are shown hatched in FIGS. 10a, 10b and 11a, 11b, respectively.
- they are so-called folding drafting systems in which the rollers of the pairs I and II are arranged perpendicular to those of the pairs III and IV such that the fiber materials are folded in a characteristic manner between the stretching rollers of the pairs II and III ,
- Such drafting units 8b are particularly suitable for the processing of conveyor belt.
- the delay in the folding zone (pairs II / III) is low. It is determined by transmission technology. The delays of the pre-draft zone and the main draft zone are freely selectable. This requires three synchronous motors to drive all drafting systems.
- the drafting rollers 65 or their corrugations protrude through the dividing wall 26a (see Fig. 6b), and they are followed by a nozzle assembly 59 which contains spinning and auxiliary members.
- FIGS. 10a and 10b The rubbed rolls are shown hatched in FIGS. 10a and 10b.
- the difference between the embodiments according to FIGS. 10a and 10b lies in the position of the driven rollers of the pairs III with respect to the plane of symmetry 98. This is due to a different arrangement of the drive elements of the pairs II / III, which are located above the partition wall segment 26a. The different arrangement the drive elements is shown in Figs. IIa, IIb and 12a, 12b. The reason for this lies in the size of the drive torques that occur with different knitting system numbers.
- the necessary drive torques for the pairs I and IV are low. It is essentially only the bearing friction to overcome.
- the fiber material to be distorted only absorbs a power that is negligible.
- the necessary drive torque for the pair II / III is much larger, since the straps generate a braking torque.
- the torque for the pairs II / III is transmitted by a tangential belt 95 to toothed belt wheels ZR II / III 1 and ZR II / III 2, which correspond to the pulleys 53 in FIG. 6 a.
- the toothed belt ZR II / III 1 supplies the pairs III (left) directly and the pairs II via an intermediate gear with the spur gears 50 and 52 of FIG. 6a.
- the moment flux is indicated in Fig. IIa by a double arrow Ml.
- the pairs III (right) are directly supplied by the toothed belt wheel ZR II / III 2.
- a sufficiently large wrap angle W for the Couples II / III is for the first drive variant preferably only a small number of systems (eg 48 pieces) in question. If the number of systems is higher (eg 72 or 96 pieces), the second variant is preferred.
- the construction of a drafting system group with the gears according to FIGS. 12a and 12b and their interaction with partitioning wall segments 26a will be explained in more detail in FIGS. 12c to 12g.
- the toothed belt 92 drives the toothed belt wheel ZRI, which sits on the drive shaft 70.
- the clutch 40 transmits the torque to an intermediate shaft 142 (see also Fig. 6b), which transmits the torque via the bevel gear stage 68 and a spur gear 91a, 91b to the pair I (four pieces).
- the partition wall 26a intervenes and disconnects the drive from the fiber-guiding parts.
- the gear box 97 is detachably associated with the partition wall 26a (can be pulled out or pivoted). This arrangement is the same for the two variants.
- FIGS. 12d and 12e show the drive of the pairs II / III according to the first variant (FIG. 12a).
- the timing belt 95 drives a toothed belt ZR II / III, which sits on the drive shaft 51.
- the clutch 40 transmits the torque to an intermediate shaft 143, which is part of the pair III.
- the intermediate shaft 143 is mounted in the insertion part 56.
- the partition wall 26a separates the drive from fiber-carrying parts.
- the insertion part 56 and the gearbox 97 are detachably associated with the partition wall 26a. With this arrangement, four pairs II and two pairs III are detected.
- the missing two pairs III have a separate drive from the Tangential leopardriemen 95 ago - see Fig. IIa and 12a.
- the structure of this drive is shown in Fig. 12e.
- the drive is effected by a tangential timing belt 95 which drives the toothed belt wheel ZR II / III.
- the moment is directed to the draw roll 143 (FIG. 6b) or the draw roll 88 (FIG. 10a). This is stored in the insertion part 56.
- the spur gear 90a, 90b (see Fig. 12b) is present, which splits the moment - M2 in Fig. IIb.
- the left spur gear 90b of the step 90a, 90b is shown rotated by 90 ° from the plane of the drawing for reasons of representation, since otherwise it would not be visible in the side view according to the arrow v (FIG. 12b).
- the entire arrangement is shown in FIG. 12b in an oblique view.
- all pairs II / III (four pieces) are driven by a single timing belt ZR II / III, resulting in a sufficiently large wrap angle.
- the drive units are arranged above and the fiber-carrying draw rolls below the dividing wall 26 or below the respective wall segment 26a.
- the drive units contain in particular the Riemusionn and toothed belt wheels, the od at them adjacent drive (tooth) belt and the drive motors provided.
- necessary transmission parts such.
- the various spur gears 90, 91 and 93 and the bevel gear (eg., 67, 68) depending on convenience above or below the partition and at Requirement may be arranged in a separate gear box (eg 97).
- the drive shafts eg 54 in Fig.
- FIG. 13 shows a schematic plan view of the segments 26a made entirely of assembled or one-piece, here annular partition 26 formed with a plurality of pulleys 77, two tension rollers 84, housed in a housing 99 drive motors, of which the drive belts 92 and 95 are driven, and the concealed drafting 8 b.
- Fig. 13 shows a variant in so far as the drive belt 96 for the output rollers 65 is applied directly to a pulley 100 opposite him, which in turn, according to Fig. 8 via a second drive belt, the remaining pulleys of the output rollers in revolutions. Since these are very fast rotating draw rolls, the z. B.
- the pulley 100 is preferably provided with three coaxially superimposed portions, one of which leads the drive belt 96.
- the pulley 100 is preferably provided with three coaxially superimposed portions, one of which leads the drive belt 96.
- At the two other sections are two other drive belt 101 and 102, which run over a respective tensioning roller 103 and 104 and therefore do not abut in the area on some of the pulleys, as shown in Fig. 8 for the tension roller 84.
- Fig. 15 to 21 show an embodiment which differs from the embodiment of FIGS. 10 and 11 by differently shaped partition wall segments 26b and the rest of all previously described exemplary embodiments in that it is a 5-roller drafting system 8c with two superimposed Having webs for the fiber material.
- the partition wall segment 26b according to FIGS. 15 and 16 is also substantially trapezoidal in shape and in the region of the insertion funnels 43a, 43b with a long one Outside edge 105 a provided, which lies opposite a shorter inner edge 105 b.
- a first side edge 105c is provided with a concave recess 106, whereas a second side edge 105d has a convex projection 107. This is shaped so that it fits exactly into the recess 106. If, therefore, two or more segments 26b are arranged side by side, as shown in FIG.
- any segment 26b engages in the recess 106 of an adjacent segment 26b, so that the segments 26b, analogous to FIGS of pie pieces fiber-tight can be placed next to each other to z. B. to form a total annular partition.
- the approach 107 serves z. B. the purpose of there to arrange a pulley 77 (see, eg., Fig. 16).
- the drafting arrangement 8c has two superimposed pairs I and II of draw rolls 108 and 109, which correspond to the draw rolls 61 and 62 according to FIG. 6, but vertically instead of horizontally are arranged.
- there are two pairs III and IV of drafting system bodies which, as in FIG. 6, form two superimposed apron assemblies 64 with draw rolls 110 and two output rolls 65 lying one above the other. While rollers 108a, 109a, 65a and strap assemblies 64a are forcibly driven, draw rollers 108b, 109b, 65b and strap assemblies 64b associated therewith are each the driven drafting members.
- an additional pair V of drafting device elements is provided, which consist of horizontally arranged drafting rollers 111.
- the conditions are selected so that the rollers 109 and 111 form a folding zone in the sense of the folding zone between the draw rolls 62 and slip assemblies 64 according to FIG. B.
- the initial width of the sliver in the nip line of the rollers 109a, 109b to 16 mm and the distance between the nip lines between the rollers 109a, 109b and 111 is set to about 30 mm, so that there is a W-shaped fold and that the rollers 111 leaving sliver only has a width of about 4 mm.
- FIGS. 15 to 21 has the particular advantage that only one drive bevel gear is required to drive the drafting rollers 111, since the axes of all other drafting rollers arranged vertically during operation and z. B. via the couplings 75, 76 (Fig. 5) are connected.
- the exemplary embodiment according to FIGS. 15 to 21 essentially corresponds to the exemplary embodiments according to FIGS. 1 to 14, for which reason the same reference numerals are used for the same parts. This is especially true for the drive units with the existing also in Fig. 15 to 21 pulleys 77th
- the driven drafting rollers 108b and 109b can be mounted on conventional pressure arms 19 (see also Fig. 2) and, together with these, can be laterally swung away if necessary.
- FIGS. 18 to 21 show that, as described above, at least the draw rolls of the pairs III, IV and V are preferably mounted in withdrawable parts 112 and 113 releasably secured to the segment 26b.
- Fig. 18 are all the insertion parts 112, 113 in the inserted operating state.
- Fig. 19 shows diagrammatically the insertion part 112 which has been pulled downwards
- Fig. 20 shows the insertion part 113 which has been pulled down.
- the exit rollers 65a, 65b can also be fastened firmly to the dividing wall segment 26b instead of in the insertion part 112, as shown in FIG dashed lines is indicated.
- a nozzle assembly 59 is arranged, which is also indicated in FIGS. 10 and 11 and in FIGS. 18 to 21.
- This nozzle 59 can also be designed as a slide-down insertion part, which is shown in Fig. 21 in an extended state.
- all fiber-guiding functional organs can be cleaned by pulling the respective cassette or by pivoting the respective top rollers (eg 108b).
- Trained as Riemchenkassette insertion part 112 is designed adjustable in its fine geometry (curtain, turn, position of the turning rail for the straps).
- the procedure is preferably as follows: On a single knitting system, which may be part of the so-called spinning knitting machine or is operated separately, the testing of a specific fine adjustment takes place. If this is determined by tests, then the setting values are transferred to a "teaching". Subsequently, all Riemchen- insertion parts 112 are set outside the circular knitting machine to the determined dimensions and then inserted into this. By this method, a high conversion speed is achieved at the same time perfect uniformity and quality of the distortion process.
- the nozzle sticks 59 in particular contain the pressure, blower and suction air guides required for spinning with the spinning devices 21 (FIG. 2). Details of the nozzle block 59 and a preferred air guide are indicated schematically in FIGS. 22 to 24.
- FIGS. 22 and 23 show a nozzle 59, which is attached to the partition 26, in a side view.
- Two superimposed pairs of output rollers 115 are located below the partition wall 26.
- the nozzles or swirl members 22 (FIG. 2) of the following spinning devices 21 protrude into the interstices of the output roller pairs 115 and communicate with a compressed air supply 116 passing through the partition wall 26 (FIG ) in connection.
- each workstation there is a blown air slot 117 (FIG. 23), which communicates with a blast air source 119 (pb) via a blown air duct 118 projecting through the partition wall 26.
- a blast air source 119 pr
- a blown air duct 118 projecting through the partition wall 26.
- From the Blas Kunststoffschlitzen 117 exits air, which fibers and fiber particles on the surface of a roller pair 115 so that they can be discharged in associated suction channels 120 and through suction pipes 121, which are connected to a suction source (pu).
- the blowing and suction systems have a small distance from the output roller pairs 115.
- the blast air ducts and associated Blas Kunststoffschlitze 117 and the compressed air supply 116 are parts of the nozzle block 59 and connected thereto.
- the nozzle 59 is detachably connected to the separating surface 26, as shown particularly in FIG. 21.
- the invention is not limited to the described embodiments, which can be modified in many ways. This applies in particular to the described pressure arms and insertion parts, which are only examples of which can be deviated in many ways.
- the insertion parts may be provided with means not shown in detail to push the driven rollers and straps resiliently or pneumatically against the driving rollers and straps during operation. Especially for further removed from the central axis of the circular knitting functional parts could continue to be provided laterally extendable insertion parts. It is also clear that the functional parts to be serviced and, if necessary, frequently replaced, are preferably mounted on or in the pivotable pressure arms, insertion parts etc. so that they can easily be exchanged in the opened state.
- rollers and deflection as far as possible at one end (flying) to store and their free ends below or laterally to order, so that at least the straps after pivoting or pulling out of any pressure arms, insertion parts etc. can be deducted to the free ends of the driving rollers out.
- drive and gear elements described are only preferred examples.
- at least the very fast output rollers eg 65 in Fig. 6 with in the axial direction as short as possible and light drive shafts and pulleys (eg 54, 55 in Fig. 6) to couple in order to keep the moving masses small and to allow rapid acceleration and especially braking operations.
- toothed belt and toothed pulleys instead of toothed belt and toothed pulleys z.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Knitting Machines (AREA)
- Knitting Of Fabric (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT08758171T ATE556164T1 (de) | 2007-06-14 | 2008-06-04 | Rundstrickmaschine zur herstellung von strickwaren unter zumindest teilweiser anwendung von fasermaterialien |
CN2008800199874A CN101711292B (zh) | 2007-06-14 | 2008-06-04 | 在至少部分使用纤维材料的情况下制造针织品的圆型针织机 |
JP2010511487A JP5694766B2 (ja) | 2007-06-14 | 2008-06-04 | 少なくとも部分的に繊維材料を使用してニットウェアを製造するための丸編み機 |
EP08758171A EP2155943B1 (de) | 2007-06-14 | 2008-06-04 | Rundstrickmaschine zur herstellung von strickwaren unter zumindest teilweiser anwendung von fasermaterialien |
KR1020097024332A KR101497727B1 (ko) | 2007-06-14 | 2008-06-04 | 적어도 부분적으로 섬유 재료를 이용하여 편직물을 제조하기 위한 환편기 |
US12/664,107 US7882710B2 (en) | 2007-06-14 | 2008-06-04 | Circular knitting machine for the production of knitted fabrics by at least partially using fibre materials |
BRPI0813439A BRPI0813439B1 (pt) | 2007-06-14 | 2008-06-04 | máquina de tricotar circular |
HK10110746.4A HK1144450A1 (en) | 2007-06-14 | 2010-11-18 | Circular knitting machine for the production of knitwear by at least partly using fiber materials |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007027467A DE102007027467A1 (de) | 2007-06-14 | 2007-06-14 | Maschine zum Spinnen und Stricken sowie ein Verfahren |
DE102007027467.1 | 2007-06-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008151608A1 true WO2008151608A1 (de) | 2008-12-18 |
Family
ID=39865057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2008/000945 WO2008151608A1 (de) | 2007-06-14 | 2008-06-04 | Rundstrickmaschine zur herstellung von strickwaren unter zumindest teilweiser anwendung von fasermaterialien |
Country Status (11)
Country | Link |
---|---|
US (1) | US7882710B2 (de) |
EP (1) | EP2155943B1 (de) |
JP (1) | JP5694766B2 (de) |
KR (1) | KR101497727B1 (de) |
CN (1) | CN101711292B (de) |
AT (1) | ATE556164T1 (de) |
BR (1) | BRPI0813439B1 (de) |
DE (1) | DE102007027467A1 (de) |
HK (1) | HK1144450A1 (de) |
TW (1) | TWI485297B (de) |
WO (1) | WO2008151608A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010091521A1 (de) * | 2009-02-13 | 2010-08-19 | Rotorcraft Ag | Rundstrickmaschine mit integrierten streckwerken |
DE202017000804U1 (de) | 2017-02-15 | 2017-02-27 | Reinhard König | Sensor für Strickmaschinen |
DE202017000803U1 (de) | 2017-02-15 | 2017-03-02 | Reinhard König | Avivagevorrichtung für eine Strickmaschine |
DE102022115321A1 (de) | 2022-06-20 | 2023-12-21 | Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Körperschaft des öffentlichen Rechts | Nadelsystem für eine Textilherstellungsmaschine |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101982898B1 (ko) * | 2011-09-21 | 2019-05-27 | 레인하르드 쾨니그 | 스핀-니트 머신을 위한 폴딩-드로잉 시스템 |
US9771671B2 (en) * | 2012-09-24 | 2017-09-26 | Reinhard König | Double-folding drafting unit |
DE102013103738A1 (de) * | 2013-04-15 | 2014-10-16 | Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh | Streckwerk für eine Strickmaschine |
CN103290543A (zh) * | 2013-05-13 | 2013-09-11 | 天宇羊毛工业(张家港保税区)有限公司 | 针梳机平台输送机构 |
ITBS20130089A1 (it) * | 2013-06-21 | 2014-12-22 | Santoni & C Spa | Elemento di erogazione del filo per un guidafilo per macchine tessili, e guidafilo comprendente tale elemento di erogazione |
DE102015119040A1 (de) * | 2015-11-05 | 2017-05-11 | Terrot Gmbh | Vorrichtung und Verfahren zur Herstellung von Maschenware |
DE202015009463U1 (de) * | 2015-11-05 | 2017-09-22 | Terrot Gmbh | Vorrichtung zur Herstellung von Maschenware |
KR102300147B1 (ko) * | 2021-05-31 | 2021-09-09 | (주)덕신텍스타일 | 원사 거치 시스템 |
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WO2004079068A2 (de) | 2003-03-06 | 2004-09-16 | Koenig Reinhard | Maschenware sowie verfahren und vorrichtung zu ihrer herstellung |
EP1683898A2 (de) * | 2005-01-20 | 2006-07-26 | Murata Kikai Kabushiki Kaisha | Streckwerk für eine pneumatische Spinnvorrichtung |
WO2007093165A2 (de) | 2006-02-13 | 2007-08-23 | Koenig Reinhard | Maschine zur herstellung einer maschenware aus fasermaterial, insbesondere rundstrickmaschine |
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2007
- 2007-06-14 DE DE102007027467A patent/DE102007027467A1/de not_active Withdrawn
-
2008
- 2008-06-04 WO PCT/DE2008/000945 patent/WO2008151608A1/de active Application Filing
- 2008-06-04 BR BRPI0813439A patent/BRPI0813439B1/pt not_active IP Right Cessation
- 2008-06-04 KR KR1020097024332A patent/KR101497727B1/ko not_active IP Right Cessation
- 2008-06-04 AT AT08758171T patent/ATE556164T1/de active
- 2008-06-04 US US12/664,107 patent/US7882710B2/en active Active
- 2008-06-04 JP JP2010511487A patent/JP5694766B2/ja not_active Expired - Fee Related
- 2008-06-04 CN CN2008800199874A patent/CN101711292B/zh not_active Expired - Fee Related
- 2008-06-04 EP EP08758171A patent/EP2155943B1/de not_active Not-in-force
- 2008-06-11 TW TW097121745A patent/TWI485297B/zh not_active IP Right Cessation
-
2010
- 2010-11-18 HK HK10110746.4A patent/HK1144450A1/xx not_active IP Right Cessation
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WO2004079068A2 (de) | 2003-03-06 | 2004-09-16 | Koenig Reinhard | Maschenware sowie verfahren und vorrichtung zu ihrer herstellung |
EP1683898A2 (de) * | 2005-01-20 | 2006-07-26 | Murata Kikai Kabushiki Kaisha | Streckwerk für eine pneumatische Spinnvorrichtung |
WO2007093165A2 (de) | 2006-02-13 | 2007-08-23 | Koenig Reinhard | Maschine zur herstellung einer maschenware aus fasermaterial, insbesondere rundstrickmaschine |
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2010091521A1 (de) * | 2009-02-13 | 2010-08-19 | Rotorcraft Ag | Rundstrickmaschine mit integrierten streckwerken |
DE202017000804U1 (de) | 2017-02-15 | 2017-02-27 | Reinhard König | Sensor für Strickmaschinen |
DE202017000803U1 (de) | 2017-02-15 | 2017-03-02 | Reinhard König | Avivagevorrichtung für eine Strickmaschine |
DE102022115321A1 (de) | 2022-06-20 | 2023-12-21 | Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Körperschaft des öffentlichen Rechts | Nadelsystem für eine Textilherstellungsmaschine |
Also Published As
Publication number | Publication date |
---|---|
BRPI0813439B1 (pt) | 2017-01-31 |
CN101711292B (zh) | 2011-12-14 |
KR101497727B1 (ko) | 2015-03-03 |
JP2010529321A (ja) | 2010-08-26 |
EP2155943A1 (de) | 2010-02-24 |
US20100175429A1 (en) | 2010-07-15 |
US7882710B2 (en) | 2011-02-08 |
CN101711292A (zh) | 2010-05-19 |
KR20100019457A (ko) | 2010-02-18 |
BRPI0813439A2 (pt) | 2014-12-23 |
DE102007027467A1 (de) | 2008-12-18 |
JP5694766B2 (ja) | 2015-04-01 |
ATE556164T1 (de) | 2012-05-15 |
HK1144450A1 (en) | 2011-02-18 |
TWI485297B (zh) | 2015-05-21 |
TW200932979A (en) | 2009-08-01 |
EP2155943B1 (de) | 2012-05-02 |
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