EP1154057A2 - Frottierwebmaschine - Google Patents
Frottierwebmaschine Download PDFInfo
- Publication number
- EP1154057A2 EP1154057A2 EP01109808A EP01109808A EP1154057A2 EP 1154057 A2 EP1154057 A2 EP 1154057A2 EP 01109808 A EP01109808 A EP 01109808A EP 01109808 A EP01109808 A EP 01109808A EP 1154057 A2 EP1154057 A2 EP 1154057A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pile
- warp
- warp thread
- thread
- pile warp
- 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.)
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- 238000009941 weaving Methods 0.000 claims abstract description 77
- 239000004744 fabric Substances 0.000 claims abstract description 35
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- 230000015572 biosynthetic process Effects 0.000 claims description 14
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- 230000037431 insertion Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 235000014676 Phragmites communis Nutrition 0.000 description 25
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- 230000001914 calming effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- 210000003746 feather Anatomy 0.000 description 1
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Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D39/00—Pile-fabric looms
- D03D39/22—Terry looms
- D03D39/223—Cloth control
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D39/00—Pile-fabric looms
- D03D39/22—Terry looms
- D03D39/226—Sley control
Definitions
- the invention relates to a terry weaving machine with a first device for Delivery of a basic warp thread sheet and a second device for delivery at least a pile of warp threads, with fabric threading agents and with compartment-forming elements for the Warp threads.
- the technical elements are weft insertion means and weft attachment means assigned to the weft threads initially at a predetermined distance Enter from the web line or the edge of the goods (partial stop) and then the registered weft threads in groups at the stop edge, i.e. the edge of the goods (Full or group stop).
- the The warp thread tension is lowered and the warp thread is released, so that the warp threads are closed Loops are set up while the weft threads are held between the tensioned Basic warp threads slide until they are attached to the goods edge.
- the terry weave which is only outlined in its basic features, is a well-known one Weaving technology, which is described, for example, in the book "WEBEREI Maschinen für die Fabric production "by Dipl.-Ing. J. Schneider, Springer-Verlag Berlin / Göttingen / Heidelberg 1961, pages 17, 277.
- a typical example of a terry weaving machine is known from DE-PS 2225604, which also illustrates the basic structure of such a terry weaving machine.
- the basic warp threads are let down from a basic thread warp beam and over one spring-loaded spanning tree redirected to the horizontal weaving plane in which it is connected to the
- the pile warp threads are united by one arranged above the weaving plane
- the pile thread warp beam is lowered.
- the pile warp threads are spring-loaded by their own Spanning tree led, which is arranged above the basic warp thread sheet, over the Weaving width extends and the pile warp threads from above, essentially tangentially, into the Basic warp thread family initiates.
- the basic warp threads and the pile warp threads run in the Warp thread guards arranged at the weaving level, behind which they jointly form technical training elements run through in the form of healds, from there through the reed or reed itself to extend to the fabric edge that forms the so-called stop edge. That of the Healds have a loom that is patterned with the tip of its front compartment the stop edge and ends with the tip of its rear compartment in the range of Support rods of the warp thread monitor common for the basic and pile warp thread coulters.
- warp thread monitors are in an area of the rear compartment, in which the pile of warp threads at a small acute angle to the weaving plane into the When the basic warp thread coulter comes in, there is a relatively strong back and forth in the technical training Movement of the pile warp threads in the areas of the pile warp guard, which at sensitive pile warp threads is undesirable. Because of this arrangement of the Warp stop motion directly in front of the area of the rear compartment, also affect Warp thread movements strongly affect the pile warp guard slats at the group stop, with the result that forces occur in the pile warp threads that affect the loop formation process counteract.
- the pile warp sheet is above the weaving plane and the base warp sheet arranged, spring-loaded dancer shaft at a small acute angle from above the basic warp thread coulter, the pile warp threads only in the area of the rear compartment penetrate between the base warp threads.
- the invention is based on the object to create a terry weaving machine that is characterized by higher operational safety and better Operability distinguishes, so that the downtimes are reduced and thus the Goods output will be increased.
- the terry loom according to the invention has the Features of patent claims 1 and 16.
- the terry loom expediently has deflection means for the Pile warp threads on that of the delivery device for the pile warp yarn sheet opposite side of the base warp yarn sheet are arranged.
- This deflecting means may at least have a deflecting rod over which the pile of warp threads is guided.
- the deflecting rod can be designed as an articulated rod, which extends several times over the weaving width is stored and supported.
- the deflection rod can be used to keep the frictional forces low be rotatably mounted, as may also be expedient, the deflecting rod resilient to store and arrange adjustable if necessary.
- the arrangement can be made such that the pile warp and the Basic warp thread coulter at the crossing point, seen in the thread running direction, a blunt or enclose an acute angle with each other, the two warp thread groups can also cross at an angle of about 90 °.
- This warp thread guide with the formation of a cross hair between the The pile warp and the basic warp threads allow the pile warp threads and the To assign a separate warp thread monitor to the pile warp thread group, which by at least one machine side, i.e. freely accessible on the warp beam side or fabric side are arranged.
- the warp thread monitors for the basic warp thread coulter and the Warp thread monitors for the pile of warp threads are arranged on two different levels accessibility, which generally improves accessibility even further.
- the basic warp thread monitor is designed in two different levels Warp thread breakage removal very easy to use.
- crosshairs can namely a warp thread break in Easy control of the rear compartment area and simple by the operating personnel remedy.
- the pile warp threads achieved a strong reciprocation of the pile warp threads in the area of the warp thread monitor is avoided.
- the pile of warp threads is conveniently in an area in the thread running direction before the crossing point with the Basic warp thread array lies over a device for forming a pile warp thread reserve passed, the a pile warp length compensation in the loop formation and / or in the Change of subject causes.
- This device for forming a pile warp thread reserve can at least one resiliently mounted, partially from the pile warp threads have wrapped thread length compensation element, for example a is resiliently mounted deflection rod or a resiliently designed and / or mounted Has thread deflection plate.
- the described guiding of the warp threads allows the resulting pile warp thread length for loop formation in terry weaving with fabric control or terry weaving with store control in such a way that the pile warp tension before Group stop is lowered and the spring-loaded deflection rod or that Spring plate-like deflection plate partially absorb the pile warp thread length.
- the object is achieved in that the deflecting rod connected to the levers is pivotally driven about the horizontal axis by at least one controlled drive means during the partial displacement of the terry goods.
- the deflecting rod connected to the levers is pivotally driven about the horizontal axis by at least one controlled drive means during the partial displacement of the terry goods.
- the invention provides according to claim 16 for tension compensation during the Realize moving of the fabric in a controlled manner, namely controlled and freely programmable.
- the horizontal axis is a rotating shaft with which at least one electromotive drive, which is reversible in its direction of rotation, is operatively connected.
- This drive sets the deflection bar in a controlled pivoting movement via the support levers connected to the horizontally aligned shaft.
- the controlled pivoting movement of the deflecting rod keeps the pile warp thread tension at a desired level during the partial shifting of the goods after the so-called group stop. As a result, the pile loops formed are not pulled out of the fabric at all and not partially.
- the controlled pivoting movement is provided of the deflecting rod by realizing that the horizontally aligned shaft suitable means is operatively connected to a rotary driven cam.
- the drive the cam can be derived from the main drive shaft of the loom or be an electromotive drive that is independent of the main drive of the weaving machine.
- FIGS. 1 to 8 are only the essential elements in FIGS. 1 to 8 shown.
- Each of these terry weaving machines has a first device for delivering one Basic warp thread sheet 1 with a basic thread warp beam 2, from which the Basic warp thread family 1 about a fixed axis 3 against the action of Spring means 4 pivotally mounted tension roller and a match tree 6 is guided the warp thread sheet 1 in the essentially horizontal working or weaving plane above of the basic thread warp beam 2.
- Between the match tree 6 and one at 7 breast tree shown are compartment-forming elements in the form of shafts 8 with healds 9 arranged by a known mechanism not shown for Specialist education can be moved up and down.
- the shafts 8 are not shown Assigned weft insertion means which, depending on the design of the terry loom In the form of compressed air nozzles, of grippers, as a boat, etc. can.
- the weft threads entered in the shed shown at 10 are from Weft thread sling means in the form of a reed or reed 11 each in groups of the type common in terry weaving to the stop edge 12 of the one shown at 13 Chipped fabric.
- the tissue 13 is then after the breast tree 7 via a Spiked roller trained feed roller 14, from which it in a known manner a goods tree, not shown, arrives on which it is wound up.
- the stroke of this reciprocating movement of the reed 11 is constant.
- a second device for supplying a pile warp thread sheet 15 with a pile thread warp beam 16 arranged, from which the pile warp yarn sheet 15 is lowered controlled.
- the pile warp thread sheet 15 is taken from the pile thread warp beam 16 coming first through a rotatably mounted deflection roller 17 into a Substantially horizontal redirected level, in which the tuft threads a pile warp stop 18 pass through, the warp thread guard slats spreading on the pile warp threads with 19 are designated.
- the pile warp guard 18 is of a known type and, for example in the book "WEBEREI” processes and machines for fabric production, Springer-Verlag 1961 ok P.421 ff.
- the guard slats 19 are on both sides
- the pile warp yarn sheet 15 is supported on bars 20, 21 which are continuous over the weaving width, from to which the rod 21 adjacent to the shafts 8 has the pile warp thread 15 guided over it deflected about 90 °. A deflection of more or less than 90 ° is conceivable.
- a deflecting element extending across the weaving width in the form of a deflecting element across the weaving width supported and rotatably mounted deflecting rod 22 which the by the rod 21st coming pile warp yarn sheet 15 in the working or weaving level and in the back compartment 23 of the Webfachs 10 deflected.
- the deflecting rod 22 is positioned in such a way that it the base warp thread sheet 1 supports so that the compartment tip of the rear compartment 23 for both the base warp threads as well for the pile warp threads at the deflecting rod 22.
- the deflecting rod 22 is, as mentioned, rotatably mounted, but in principle it can also be held non-rotatably and / or by a plurality of deflecting rods and / or rollers wrapped around by the pile of warp threads 15 are replaced his.
- the deflecting rod 22 is about a horizontal axis 25 a of the shaft 25 via lever 24 pivoted against the action of spring means, not shown, the the aim is to keep the pile of warp threads 15 taut.
- the spring-loaded deflecting rod 22 causes a warp thread length compensation for during the weaving process Change of subject and changes in the processed loop poling Pile warp thread lengths.
- the thread path between the rod 21 of the Polkettfadenissechters 18 and the deflecting rod 22 a spring-loaded dancer shaft 26th be arranged, which is partially wrapped by the pile warp threads and also to do so serves to include a warp thread length compensation for the pile warp thread lengths, which, how mentioned during the weaving process in the loop formation and when changing the subject occurs.
- the dancer shaft 26 can also be rotated by a stationary shaft or a Deflection rod to be replaced.
- the rod 21 in the Thread path of the pile of warp yarns 15 downstream, continuous over the weaving width, spring plate-like thread deflecting plate 28 occur, as is illustrated in FIG. 5. This acting as a spring element thread deflecting plate 28 acts just like the spring-loaded Dancer shaft 26 according to FIG. 1 in the sense of calming the warp thread guard slats 19.
- the 1 arranged deflecting rod 22 can also be adjusted about the axis 25 by means of its bearing lever 24 can be stored such that the deflection point of the pile warp sheet 15 and thus their Intersection with the base warp thread sheet 1 in the direction of the shafts 8 to or from this way is adjustable.
- the pile warp yarn sheet 15 is such by the shaft 26 and the deflecting rod 22 led that they at the intersection with the basic warp thread sheet 1, in the thread running direction seen includes an obtuse angle 29 of about 130 °.
- the shaft 26 and / or the deflecting rod 22 By adjusting the shaft 26 and / or the deflecting rod 22, the size of this angle 29 can be changed as required and adjusted accordingly.
- the basic warp thread sheet 1 is on the thread path between the Match tree 6 and the deflecting rod 22, i.e. the compartment tip of the rear compartment 23, by a Warp thread monitor 30 monitors for warp thread breakage, its warp thread monitor slats 33 spread the warp threads, which are guided essentially horizontally over two rods 31, 32.
- the warp thread monitor 30 is basically of the same design as the warp thread monitor 18 for the Pile of warp threads 15.
- the warp thread monitor 30 is the Basic warp thread sheet 1 from the warp beam side (Fig. 1, left) easily accessible because it is too this machine side is exposed and is not covered by the pile warp sheet 15.
- the warp thread monitor 18 for the pile warp thread sheet 15 is open, as shown in FIG. 1 one separated from the warp thread monitor 30, indicated by a dot-dash line at 34, horizontal plane, which is spaced above the working or weaving plane and thus at a distance from the basic warp thread sheet 1 passing through the warp thread monitor 30 lies.
- the warp thread monitor 18 for the pile warp thread sheet 15 is therefore of the Fabric withdrawal side (in Fig. 1 right) of the machine freely accessible, so that too Broken warp threads can be repaired easily and without hindrance.
- Warp thread monitor 18, 30 for the pile warp thread sheet 15 or the base warp thread sheet 1 separate levels and the crossing of the basic warp thread sheet 1 implementation of Pile warp sheet 15 by the base warp sheet 1 a very user-friendly, Ergonomically favorable, compact and simple construction of the entire terry weaving machine.
- the match tree 6 is on both sides around a horizontal axis pivotally mounted rocker 36 which is rotatably supported by a Coupling linkage 37 with the fabric feed roller 14 and with a double arm Adjusting lever 38 for the tissue control is coupled.
- the spring-loaded adjusting lever 38 which is designed in the form of an angle lever, is shown by one in FIG Toweling eccentric 39 back and forth about a fixed axis 40 according to arrow 41 in FIG.
- the warp beam 2 of the basic warp thread family 1, the warp beam 16 of the The pile warp yarn sheet 15 and the fabric drawing roller 14 are assigned by their own, individually Drive motors 42, 43, 44 driven, the warp let of the base warp and the Control pile warp threads and the withdrawal of the fabric 13.
- There is a machine control unit for this (CPU) 45 are provided, each of which is a representative number of basic warp threads or warp thread tension monitoring warp thread tension sensor 46 or 47 coming processed electrical signals and also from one with the deflection roller 17th coupled sensor 48 information about the used warp thread lengths and from one supplied by the machine main shaft, incremental encoder wheel 49 Information about the movement sequences derived from the machine main shaft at sutician emb and the movement of the reed 11 receives.
- Warp thread coulter 1 in this terry machine with a match / breast tree system Warp length compensation performed by springs 4 and with positive control.
- the Warp thread tension sensors 46, 47 are in front of the thread running direction Warp thread monitor 30 or 18 arranged, i.e. in an area with a quiet thread course.
- FIG. 9 The basic function of the fabric control in terry weaving with the Terry loom is illustrated in Fig. 9, where the top representation a) the Shows the eccentric stroke of the terry cam 39 (FIG. 6) as a function of its angle of rotation, while the lower illustration shows that controlled by the drive motor 43 Play warp thread.
- the stop edge 12 Starting from the rear position of the stop edge, in the previous group weft stop took place, the stop edge 12 in transferred the front position in which the stop edge is further away from the reed 11 stands. During this displacement of the stop edge, the required The pile warp thread length is lowered so that the pile warp thread tension is kept approximately constant.
- a jacquard terry weaving machine is shown, in its basic structure of the terry loom according to Fig. 1 corresponds. The same parts are therefore designated by the same reference numerals and not explained further.
- the machine has a harness indicated at 50, the cords of which are closed the healds 9 run and the warp guard 18 for the pile warp sheets 15 and 30 for the base warp thread sheet 1 covers the fabric feed side.
- the warp thread monitor 18 for the pile warp yarn sheet 15 is therefore compared to the conditions at 1 more towards the warp beam side, so that it from the Warp beam side is easily accessible for the operator.
- the deflection roller 17 is moved closer to the fabric feed roller 14 and almost directs the pile warp yarn sheet 15 360 ° around.
- the pile warp sheet 15 is again in Mainly performed in the horizontal plane 34. It is through the rod 21 by about 90 ° deflected and penetrates the basic warp thread sheet 11 in the working or weaving plane below an acute angle 29 ', the size of which can be close to 90 °.
- the pile warp thread guide in such a jacquard terry weaving machine also be designed similarly to the terry loom according to FIG. 1, if the structural conditions of the machine make this seem expedient.
- Such a variant of a jacquard terry weaving machine is illustrated in FIG. 3.
- the pile warp threads cross the base warp threads at the point of intersection at the Deflecting rod 22 e.g. at the obtuse angle 29 of FIG. 1.
- the warp thread monitor 18 of the pile warp thread sheet 15 further to the warp beam side (in Fig. 3 left) if this seems appropriate in individual cases.
- the pile warp threads and the warp thread guard slats 19 remain in any case from the warp beam side of the Weaving machine from easily accessible, while the warp guard 30 of the base warp sheet 1 is easy to operate anyway on the warp beam side.
- the terry loom shown in Fig. 4 is largely the same as that of Fig. 1 constructed. The difference is that instead of pivoting on the rocker 36 stored match tree 6 of the machine of FIG. 1 the match tree 6 'of 4 is rotatably mounted and one at a point on its circumference axially parallel, radially projecting cams 51 that extend across the weaving width, against which the base warp yarn sheet 1 can be supported.
- the match tree 6 ' In the direction of the thread opposite movement of the stop edge 12 to the group stop of the weft threads in
- the framework of the tissue control is the match tree 6 ', starting from the position Fig. 4, together with the fabric feed roller 14 through the terry cam 39 (Fig. 5) in Twisted counterclockwise.
- Fig. 7 shows the application of the invention to a Terrycloth weaving machine with so-called shop control.
- the illustrated Terrycloth loom basically corresponds to the terry loom according to FIG. 1, whereby in particular the guidance of the pile warp sheet 15 and the base warp sheet 1 in are formed in the same way.
- the warp thread monitors 18 and 30 for the The pile warp sheet 15 and the base warp sheet 1 are arranged as in FIG. 1.
- the sley 57 shown in FIG. 8 is about a horizontal axis 52 pivoted. It is through one with the main shaft of the loom coupled, at 53 schematically illustrated eccentric drive with constant stroke moved.
- the reed (reed) 11 is about a to the pivot axis 52 parallel axis 54 pivotally mounted.
- An eccentric drive assigned to the sley 57 55, the reed 11 can pivot controlled with respect to the sley 57, as by a Double arrow 56 is indicated.
- the eccentric drive 53 controls the reciprocating movement of the sley 57 to the partial weft of the weft threads at a distance from the weft edge 12.
- the reed 11 rigidly connected to the sley 57.
- To carry out the group attack the eccentric drive 55 pivots the reed 11 to the required extent with respect to the Weaving drawer 57 so that the weft group entered enters the stop edge 12 is struck.
- the movements of the eccentric drives 53, 55 are of the main shaft Machine derived.
- each terry loom has a first device for delivering one Basic warp thread sheet 1 with a basic thread warp beam 2, from which the Basic warp thread family 1 about a fixed axis 3 against the action of Spring means 4 pivotally mounted tension roller 5 and a match tree 6 is guided the warp thread sheet 1 in the essentially horizontal working or weaving plane above of the basic thread warp beam 2.
- a match tree 6 is guided the warp thread sheet 1 in the essentially horizontal working or weaving plane above of the basic thread warp beam 2.
- compartment-forming elements in the form of shafts 8 with healds 9 arranged by a known mechanism not shown for Specialist education can be moved up and down.
- the shafts 8 are not shown Assigned weft insertion means which, depending on the design of the terry loom Form compressed air pressurized nozzles, of grippers, as a boat, etc. can.
- the weft threads entered in the shed shown at 10 are from Weft thread attachment means in the form of a reed or reed 11 each in groups in the usual manner in terry weaving to the stop edge 12 of the one shown at 13 Chipped fabric.
- the tissue 13 is then after the breast tree 7 over a designed as a needle roller feed roller 14, from which it in a known manner a goods tree, not shown, arrives on which it is wound up.
- the advice 11 which is rigidly connected to a sley, not shown, leads one back and forth movement between a rear position seen in the direction of the thread and a front stop position.
- Terrycloth looms are the stroke of this reciprocating movement of reed 11 constant.
- a second device for delivering a pile warp thread sheet 15 with a pile thread warp beam 16 is arranged, from which the pile warp thread sheet 15 is released in a controlled manner.
- the pile of warp threads 15 coming from the pile warp beam 16 is first diverted by a rotatably mounted deflection roller 17 into a substantially horizontal plane, in which the pile warp threads pass through a pile warp thread monitor 18, the warp thread monitor slats of which are drawn onto the pile warp threads are designated by 19 .
- the pile warp monitor 18 is of a known type.
- the pile warp thread sheet 15 is supported on the rods 20, 21 which are continuous over the weaving width, of which the bar 21 adjacent to the shafts 8 deflects the pile warp thread sheet 15 guided over it by approximately 90 °. A deflection of more or less than 90 ° is conceivable.
- the weaving width-reaching deflection element is arranged in the form of a deflection rod 22 which the pile warp thread sheet 15 coming from the rod 21 into the working or weaving plane and in deflects the rear compartment 23 of the shed 10.
- the deflecting rod 22 is positioned such that it supports the base warp thread sheet 1, so that the compartment tip of the rear compartment 23 both for the basic warp threads and for the The pile warp threads are located at the deflecting rod 22.
- the deflecting rod 22 is fixedly connected via a lever 24 to a shaft 25 which is rotatably mounted about the horizontally oriented longitudinal center axis 25a.
- the shaft 25 is operatively connected to an electric motor drive 27, which is connected to the machine control 45 in a signal-transmitting manner via the control line 45a.
- the electric motor drive 27, through its control on the part of the machine control 45, compensates for the length of the pile warp threads for the changes in the pile of pile warp threads that occur during the weaving process in the formation of pile loops. In other words, the electric motor drive 27 is during a partial displacement of the tissue 13, namely after the striking.
- the deflecting rod 22 moves in the directions of the double arrow 24a, corresponding to the partial tissue displacement, about the longitudinal center axis 25a.
- This movement should be such that less than 3/4, preferably 1/3 to 1/2 of the suggested size of the warp thread length is compensated.
- the controlled movement of the deflecting rod 22 keeps the pile warp thread tension in the pile warp thread sheet 15 at a low level during the partial fabric displacement after the weft group stop. This procedure ensures that the loops formed in the fabric 13 are not pulled out of the fabric 13 against the weaving direction. After the loop formation, the deflecting rod is moved back in a controlled manner, so that it is in its original position before the partial displacement of the tissue again.
- a one-armed lever 38 is rotatably connected to the rotatably mounted shaft 25. At the free end of the lever arm 38 engages a tension spring 58 which is held in a machine-fixed manner. Between the free end and its non-rotatable connection, the lever arm 38 has a scanning roller 38a, which is connected to the outer circumference of a rotationally driven cam 39 in a scanning connection.
- the cam plate 39 has such a circumferential contour in order to implement the described movement sequence of the exemplary embodiment shown in FIG.
- the drive of the cam plate 39 itself can be a drive derived from the main drive shaft of the weaving machine or else an inexpensive electromotive drive without expensive control electronics.
- Thread travel between the rod 21 of the pile warp thread monitor 18 and the deflection rod 22 a spring-loaded dancer shaft 26 may be arranged, partially from the pile warp threads is entwined.
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Abstract
Description
Während also der Gegenstand der Erfindung nach den Ansprüchen 1 bis 15 u.a. davon ausgeht, den Umlenkstab federnd nachgiebig um eine Achse schwenkbeweglich anzuordnen, mit dem Umlenkstab also ungesteuert einen Spannungsausgleich in der Polkettfadenschar zu realisieren, ist erfindungsgemäß nach Anspruch 16 vorgesehen, den Spannungsausgleich während dem Verschieben des Gewebes gesteuert zu realisieren, und zwar gesteuert und frei programmierbar.
Dazu ist in Ausgestaltung der Erfindung vorgesehen, dass die horizontale Achse eine drehend gelagerte Welle ist, mit der wenigstens ein elektromotorischer, in seiner Drehrichtung umkehrbarer Antrieb wirkverbunden ist.
Die gebildeten Polschlingen werden dadurch gar nicht und auch nicht teilweise aus dem Gewebe gezogen.
- Fig. 1
- eine Frottierwebmaschine gemäß der Erfindung im axialen Schnitt in einer Seitenansicht,
- Fig. 2
- eine Jacquard-Frottierwebmaschine gemäß der Erfindung in einer Darstellung entsprechend Fig. 1,
- Fig. 3
- die Jacquard-Frottierwebmaschine nach Fig. 2 in einer abgewandelten Ausführungsform und in einer Darstellung entsprechend Fig. 1,
- Fig. 4
- die Frottierwebmaschine nach Fig. 1 in einer abgewandelten Ausführungsform und in einer Darstellung entsprechend Fig. 1,
- Fig. 5
- einen Ausschnitt aus der Frottierwebmaschine nach Fig. 4 in vergrößerter Darstellung ähnlich Fig. 4, unter Veranschaulichung der Kettfadenkreuzungsstelle,
- Fig. 6
- den Frottierexzentermechanismus der Frottierwebmaschine nach Fig. 4, unter Veranschaulichung der wesentlichen Teile, im Ausschnitt und in einer Seitenansicht,
- Fig. 7
- eine Frottierwebmaschine gemäß der Erfindung in einer Ausführungsform ähnlich Fig. 1, jedoch mit Webladensteuerung, in einer Darstellung ähnlich Fig. 1,
- Fig. 8
- den Webladensteuerungsmechanismus der Frottierwebmaschine nach Fig. 7 in einer Einzeldarstellung, im Ausschnitt, unter Veranschaulichung der wesentlichen Teile und in einer Seitenansicht sowie in einem anderen Maßstab,
- Fig. 9
- ein Diagramm zur Veranschaulichung der Warenbewegung und des Polkettfadenablasses bei der Gewebesteuerung der Frottierwebmaschine nach Fig. 1,
- Fig. 10
- eine Frottierwebmaschine im axialen Schnitt in der Seitenansicht mit einem ersten Ausführungsbeispiel der Erfindung gem. Anspruch 16 und
- Fig. 11
- eine Frottierwebmaschine im axialen Schnitt in der Seitenansicht mit einem zweiten Ausführungsbeispiel der Erfindung gem. Anspruch 16..
Beidseitig der Wächterlamellen 19 ist die Polkettfadenschar 15 auf die über die Webbreite durchgehenden Stäbe 20, 21 abgestützt, von denen der den Schäften 8 benachbarte Stab 21 die darüber geführte Polkettfadenschar 15 um etwa 90° umlenkt. Eine Umlenkung von mehr oder weniger als 90° ist denkbar.
Der elektromotorische Antrieb 27 bewirkt durch dessen Ansteuerung seitens der Maschinensteuerung 45 einen Polkettfadenlängenausgleich für die während des Webprozesses bei der Polschlingenbildung auftretenden Änderungen in der Polkettfadenschar. Mit anderen Worten ausgedrückt, der elektromotorische Antrieb 27 wird während einer partiellen Verschiebung des Gewebes 13, und zwar nach dem Anschlagen. einer Schussgruppe durch das Webblatt 11, derart frei programmierbar angesteuert, dass sich der Umlenkstab 22 in Richtungen des Doppelpfeils 24a, entsprechend der partiellen Gewebeverschiebung, um die Längsmittenachse 25a bewegt. Diese Bewegung soll dabei so bemessen sein, dass weniger als 3/4 vorzugsweise 1/3 bis 1/2 der Vorschlaggröße an Kettfadenlänge ausgeglichen wird.
Durch die gesteuerte Bewegung des Umlenkstabes 22 wird die Polkettfadenspannung in der Polkettfadenschar 15 während des partiellen Gewebeverschiebens nach dem Schussgruppenanschlag auf einem niedrigen Niveau gehalten.
Mit dieser Vorgehensweise wird erreicht, dass die im Gewebe 13 gebildeten Schlingen nicht entgegen der Webrichtung aus dem Gewebe 13 gezogen werden.
Nach der Schlingenbildung wird der Umlenkstab gesteuert zurückbewegt, so dass sich dieser vor dem erneuten partiellen Verschieben des Gewebes in seiner Ursprungsposition befindet.
Die Kurvenscheibe 39 besitzt solch eine Umfangskontur, um den beschriebenen Bewegungsablauf des in Figur 10 dargestellten Ausführungsbeispiels zu realisieren. Der Antrieb der Kurvenscheibe 39 selbst kann ein von der Hauptantriebswelle der Webmaschine abgeleiteter Antrieb oder aber ein ohne mit einer aufwendigen Steuerelektronik ausgerüsteter kostengünstiger elektromotorischer Antrieb sein.
- 1
- Grundkettfadenschar
- 2
- Grundkettfadenbaum
- 3
- Achse
- 4
- Federmittel
- 5
- Spannwalze
- 6
- Streichbaum
- 6'
- Streichbaum
- 7
- Brustbaum
- 8
- Schaft
- 9
- Weblitze
- 10
- Webfach
- 11
- Webblatt
- 12
- Anschlagkante
- 13
- Gewebe
- 14
- Einziehwalze
- 15
- Polkettfadenschar
- 16
- Polkettfadenbaum
- 17
- Umlenkwalze
- 18
- Polkettfadenwächter
- 19
- Wächterlamellen
- 20
- Stab
- 21
- Stab
- 22
- Umlenkstab
- 23
- Hinterfach
- 24
- Hebel
- 24a
- Doppelpfeil
- 25
- Welle
- 25a
- Mittenachse
- 26
- Tänzerwelle
- 27
- Antriebsmotor
- 28
- Fadenumlenkblech
- 29
- Winkel
- 29'
- Winkel
- 30
- Kettfadenwächter
- 31
- Stab
- 32
- Stab
- 33
- Kettwächterlamelle
- 34
- Ebene
- 35 36
- Schwinge
- 36'
- Kurbelhebel
- 37
- Koppelgestänge
- 38
- Einstellhebel
- 38a
- Abtastrolle
- 39
- Frottierexzenter
- 40
- Achse
- 41
- Doppelpfeil
- 42
- Antriebsmotor
- 43
- Antriebsmotor
- 44
- Antriebsmotor
- 45
- Maschinensteuerung
- 45a
- Steuerleitung
- 46
- Kettfadenspannungssensor
- 47
- Kettfadenspannungssensor
- 48
- Sensor
- 49
- Encoderrad
- 50
- Harnisch
- 51
- Nocke
- 52
- Achse
- 53
- Exzentertrieb
- 54
- Achse
- 55
- Exzentertrieb
- 56
- Doppelpfeil
- 57
- Weblade
- 58
- Feder
Claims (19)
- Frottierwebmaschine mit einer ersten Einrichtung zum Liefern einer Grundkettfadenschar, mit einer zweiten Einrichtung zum Liefern einer Polkettfadenschar, mit Gewebeeinziehmitteln, mit wenigstens einem Kettfadenwächter, mit Umlenkmittel für die Polkettfäden und mit fachbildenden Elementen für die Kettfadenscharen, denen Schussfadeneintragsmittel und Schussfadenanschlagmittel zugeordnet sind, von denen wenigstens die Schussfadenanschlagmittel zwischen einer hinteren Stellung und wenigstens einer vorderen Anschlagstellung hin- und her bewegbar sind und durch die in einem vorgegebenen Abstand von der Anschlagkante eingetragene Schussfäden unter Ausbildung von Polfadenschlingen gruppenweise an die Anschlagkante des Gewebes anschlagbar sind, wobei die Polkettfadenschar (15) die Grundkettfadenschar (1) kreuzend in einem Bereich durch diese hindurchgeführt ist, der zwischen dem von den fachbildenden Elementen (8) gebildeten Hinterfach (23) der Kettfäden und der Liefereinrichtung (2,5,6) der Grundkettfadenschar liegt, dadurch gekennzeichnet, dass die Polkettfadenschar (15) in einem Bereich, der in Fadenlaufrichtung vor der Kreuzungsstelle mit der Grundkettfadenschar (1) liegt, über eine Einrichtung (26;28) zur Ausbildung einer Polkettfadenreserve geleitet ist, und dass die Einrichtung (26;28) einen Polkettfadenlängenausgleich bei der Schlingenbildung und/oder bei dem Fachwechsel bewirkt.
- Frottierwebmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Umlenkmittel (22) für die Polkettfäden auf der der Liefereinrichtung (16,17) für die Polkettfadenschar (15) gegenüberliegenden Seite der Grundkettfadenschar (1) angeordnet sind.
- Frottierwebmaschine nach Anspruch 2, dadurch gekennzeichnet, dass die Umlenkmittel wenigstens einen Umlenkstab (22) aufweisen, über den die Polkettfadenschar (15) geleitet ist.
- Frottierwebmaschine nach Anspruch 3, dadurch gekennzeichnet, dass der Umlenkstab (22) als Gelenkstab ausgebildet ist, der über die Webbreite mehrmals gelagert und abgestützt ist.
- Frottierwebmaschine nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass der Umlenkstab (22) drehbar gelagert ist.
- Frottierwebmaschine nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass der Umlenkstab (22) federnd nachgiebig gelagert ist.
- Frottierwebmaschine nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass der Umlenkstab (22) verstellbar angeordnet ist.
- Frottierwebmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Polkettfadenschar (15) und die Grundkettfadenschar (1) an der Kreuzungsstelle, in Fadenlieferrichtung gesehen, einen stumpfen Winkel (29) miteinander einschließen.
- Frottierwebmaschine nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Polkettfadenschar (15) und die Grundkettfadenschar (1) an der Kreuzungsstelle, in Fadenlaufrichtung gesehen, einen spitzen Winkel (29') miteinander einschließen.
- Frottierwebmaschine nach Anspruch 1, dadurch gekennzeichnet, dass der Grundkettfadenschar (1) und der Polkettfadenschar (15) eigene, voneinander getrennte Kettfadenwächter (30,18) zugeordnet sind, die von wenigstens einer Maschinenseite aus frei zugänglich angeordnet sind.
- Frottierwebmaschine nach Anspruch 10, dadurch gekennzeichnet, dass der Kettfadenwächter (30) für die Grundkettfadenschar (1) in einer ersten Ebene und der Kettfadenwächter (18) für die Polkettfadenschar (15) in einer zweiten Ebene angeordnet ist.
- Frottierwebmaschine nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass wenigstens die Polkettfadenschar (15) im Bereiche des Polkettfadenwächters (18) in einer vorzugsweise horizontalen Ebene (34) geführt ist.
- Frottierwebmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Einrichtung zur Bildung einer Polkettfadenreserve wenigstens ein federnd nachgiebig gelagertes, von den Polkettfäden teilweise umschlungenes Fadenlängenausgleichselement (26,28) aufweist.
- Frottierwebmaschine nach Anspruch 13, dadurch gekennzeichnet, dass das Fadenlängenausgleichselement eine federelastisch gelagerte Umlenkwelle (26) ist.
- Frottierwebmaschine nach Anspruch 13, dadurch gekennzeichnet, dass das Fadenlängenausgleichselement ein federnd ausgebildetes und/oder gelagertes Fadenumlenkblech (28) aufweist.
- Frottierwebmaschine mit einer ersten Einrichtung zum Liefern einer Grundkettfadenschar, mit einer zweiten Einrichtung zum Liefern einer Polkettfadenschar, mit Gewebeeinziehmitteln und mit fachbildenden Elementen für die Kettfadenscharen, denen Schussfadeneintragsmittel und Schussfadenanschlagmittel zugeordnet sind, die zwischen einer hinteren Stellung und wenigstens einer vorderen Anschlagstellung hin- und herbewegbar sind und durch die in einem vorgegebenen Abstand von der Anschlagkante eingetragene Schussfäden unter Ausbildung von Polfadenschlingen gruppenweise an die Anschlagkante des Gewebes anschlagbar sind, wobei die Polkettfadenschar die Grundkettfadenschar kreuzend in einem Bereich durch diese hindurchgeführt ist, der zwischen dem von den fachbildenden Elementen gebildeten Hinterfach der Kettfäden und der Liefereinrichtung der Grundkettfadenschar liegt, ferner mit wenigstens einem Umlenkmittel für die Polkettfäden, wobei das Umlenkmittel auf der der Liefereinrichtung für die Polkettfadenschar gegenüberliegenden Seite der Grundkettfadenschar angeordnet ist, und wobei das Umlenkmittel wenigstens einen Umlenkstab ausbildet, der, über die Webbreite ausgerichtet und mit Stützelementen verbunden, um eine horizontale Achse schwenkbeweglich angeordnet ist, dadurch gekennzeichnet, dass die Achse eine axial ausgerichtete Welle (25) ist, mit der die Stützhebel (24) drehfest verbunden sind und dass die Welle (25) mit wenigstens einem Antrieb (27;39) zur gesteuerten und frei programmierten Stellbewegung wirkverbunden ist.
- Frottierwebmaschine nach Anspruch 16, dadurch gekennzeichnet, dass der Antrieb (27) ein in seiner Drehrichtung umkehrbarer elektromotorischer Antrieb ist.
- Frottierwebmaschine nach Anspruch 16, dadurch gekennzeichnet, dass der Antrieb (39) eine drehangetriebene Kurvenscheibe ist.
- Frottierwebmaschine nach Anspruch 18, dadurch gekennzeichnet, dass die Welle (25) über geeignete Mittel (38,38a,58) mit der Kurvenscheibe (39) wirkverbunden ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2000123444 DE10023444A1 (de) | 2000-05-12 | 2000-05-12 | Frottierwebmaschine |
DE10023444 | 2000-05-12 | ||
DE10054851 | 2000-11-04 | ||
DE10054851A DE10054851A1 (de) | 2000-05-12 | 2000-11-04 | Frottierwebmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1154057A2 true EP1154057A2 (de) | 2001-11-14 |
EP1154057A3 EP1154057A3 (de) | 2005-06-08 |
Family
ID=26005663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01109808A Withdrawn EP1154057A3 (de) | 2000-05-12 | 2001-04-21 | Frottierwebmaschine |
Country Status (4)
Country | Link |
---|---|
US (1) | US6390144B2 (de) |
EP (1) | EP1154057A3 (de) |
JP (1) | JP3425432B2 (de) |
DE (1) | DE10054851A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2194176A3 (de) * | 2008-12-08 | 2011-06-29 | Kabushiki Kaisha Toyota Jidoshokki | Frottierwebstuhl mit Vorrichtung zur Einstellung der Polkettenspannung |
CN102797102A (zh) * | 2011-05-27 | 2012-11-28 | 株式会社丰田自动织机 | 起绒织机的绒头经纱张力调整装置 |
ITUB20152354A1 (it) * | 2015-07-21 | 2017-01-21 | Itema Spa | Dispositivo di regolazione della tensione dei fili di ordito del riccio in un telaio per la tessitura di spugna |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE10204945B4 (de) * | 2002-02-07 | 2006-06-14 | Lindauer Dornier Gmbh | Frottierwebverfahren zur Ausbildung variabler Schlingenhöhen und Frottierwebmaschine zur Verfahrensdurchführung |
JP2006037289A (ja) * | 2004-07-28 | 2006-02-09 | Tsudakoma Corp | 布移動式パイル織機におけるテリーモーション部材の駆動機構 |
DE102005022955A1 (de) * | 2005-05-19 | 2006-11-23 | Lindauer Dornier Gmbh | Verfahren und Vorrichtung zum Halten eines nach einem Startvorgang einer Webmaschine, insbesondere Luftdüsenwebmaschine eingetragenen Schussfadens |
DE102005028127A1 (de) * | 2005-06-10 | 2006-12-14 | Picanol N.V. | Frottierwebmaschine |
CN102121158B (zh) * | 2011-04-11 | 2012-09-12 | 青岛同春机电科技有限公司 | 织造双层绒布的高速喷气织机 |
CN102154767B (zh) * | 2011-04-11 | 2012-02-22 | 青岛同春机电科技有限公司 | 一种双层绒布高效织造送经的方法 |
US9828704B2 (en) * | 2015-09-10 | 2017-11-28 | Welspun India Limited | Terry article with synthetic filament yarns and method of making same |
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-
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-
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- 2001-04-21 EP EP01109808A patent/EP1154057A3/de not_active Withdrawn
- 2001-05-14 JP JP2001143685A patent/JP3425432B2/ja not_active Expired - Fee Related
- 2001-05-14 US US09/855,187 patent/US6390144B2/en not_active Expired - Fee Related
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FR892656A (fr) * | 1942-11-20 | 1944-05-16 | Diederichs Atel | Disposition d'ensouple pour métiers à tisser en particulier à fabriquer le tissu éponge |
US2625959A (en) * | 1950-05-05 | 1953-01-20 | Crompton & Knowles Loom Works | Needle loom |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2194176A3 (de) * | 2008-12-08 | 2011-06-29 | Kabushiki Kaisha Toyota Jidoshokki | Frottierwebstuhl mit Vorrichtung zur Einstellung der Polkettenspannung |
CN102797102A (zh) * | 2011-05-27 | 2012-11-28 | 株式会社丰田自动织机 | 起绒织机的绒头经纱张力调整装置 |
CN102797102B (zh) * | 2011-05-27 | 2014-03-05 | 株式会社丰田自动织机 | 起绒织机的绒头经纱张力调整装置 |
BE1020813A3 (fr) * | 2011-05-27 | 2014-05-06 | Toyota Jidoshokki Kk | Dispositif de reglage de la tension de la chaine de poil d'un metier a tisser pour une etoffe a poils. |
ITUB20152354A1 (it) * | 2015-07-21 | 2017-01-21 | Itema Spa | Dispositivo di regolazione della tensione dei fili di ordito del riccio in un telaio per la tessitura di spugna |
CN106400283A (zh) * | 2015-07-21 | 2017-02-15 | 意达股份公司 | 用于调整毛巾织机中绒头经纱张力的装置 |
EP3121320A3 (de) * | 2015-07-21 | 2017-03-15 | ITEMA S.p.A. | Vorrichtung zur anpassung der spannung der florkettgarne in einer frotteewebmaschine |
Also Published As
Publication number | Publication date |
---|---|
US6390144B2 (en) | 2002-05-21 |
DE10054851A1 (de) | 2002-05-29 |
JP3425432B2 (ja) | 2003-07-14 |
US20010054450A1 (en) | 2001-12-27 |
JP2001355147A (ja) | 2001-12-26 |
EP1154057A3 (de) | 2005-06-08 |
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