EP1809797B1 - Method and device for thread distribution in a warping frame - Google Patents
Method and device for thread distribution in a warping frame Download PDFInfo
- Publication number
- EP1809797B1 EP1809797B1 EP05803007A EP05803007A EP1809797B1 EP 1809797 B1 EP1809797 B1 EP 1809797B1 EP 05803007 A EP05803007 A EP 05803007A EP 05803007 A EP05803007 A EP 05803007A EP 1809797 B1 EP1809797 B1 EP 1809797B1
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- European Patent Office
- Prior art keywords
- lease
- shedding
- thread
- wound package
- yarns
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004804 winding Methods 0.000 claims abstract description 83
- 210000001520 comb Anatomy 0.000 claims description 36
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- 238000010009 beating Methods 0.000 claims 6
- 238000005520 cutting process Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 238000004513 sizing Methods 0.000 description 12
- 238000012546 transfer Methods 0.000 description 6
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Images
Classifications
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H13/00—Details of machines of the preceding groups
- D02H13/16—Reeds, combs, or other devices for determining the spacing of threads
- D02H13/18—Reeds, combs, or other devices for determining the spacing of threads with adjustable spacing
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H3/00—Warping machines
- D02H3/02—Sectional warpers
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H9/00—Leasing
Definitions
- the invention relates to a method and an apparatus for thread pitch on a warper.
- Warping machines for winding a strip consisting of a plurality of parallel threads onto a winding body rotating about an axis of rotation are used, for example, in textile technology in weaving preparation for warping the warp.
- This object is achieved in procedural terms by a method having the features according to claim 1 and in device-related terms by a device having the features in claim 9.
- a compartment is formed with at least a part of the threads at at least one point in a peripheral region of the wound body when the winding body rotates.
- a sub-element is then introduced.
- Such thread pitch may preferably serve to form a crosshair.
- Such a reticle later facilitates further processing, for example in the weaving mill.
- such a thread pitch also be used for a sizing division.
- the shedding, especially the crosshairs and the introduction of the sub-element is thus at full speed.
- the method is suitable for use in conventional warping processes, in which the threads on the warper blade are brought to the correct thread density and width.
- the method is also suitable for a warping process in which each individual thread is deposited over an individual thread guide.
- the winding position of each individual thread on the winding body can thus be determined with a thread guide associated with this thread.
- the thread guides thus replace the sharpening blade, but in contrast to this they can approach arbitrary positions.
- the thread guides may preferably be adjustable in the direction of the axis of rotation from a rest position into a working position.
- the yarn guide can be used alternately and so change the composition of the tape to be wound arbitrarily. This results in a flying takeover of the work threads on the bobbin. In this case, both the specialist training as well as taking over the work threads at full speed.
- the compartment can be formed in an advantageous manner with the aid of shedding combs arranged in the peripheral region of the winding body, which rotate together or synchronously with the winding body.
- the corresponding threads can be alternately deposited on the combs and between the combs.
- the compartment can be formed in a particularly advantageous manner by depositing threads on shedding combs, which are arranged on a co-rotating synchronously with the winding body and this surrounding ring element.
- This method is suitable in particular also for conventional winding bodies, for example for warping drums of known cone warping machines.
- a special embodiment of the warping drum is not essential.
- the threads can also be stored directly on the winding body.
- the compartment can be formed by depositing threads on shed forming combs, which are arranged on the winding body. Since the shedding combs are part of the bobbin, can be dispensed with additional drive and transmission means for producing a synchronous rotation with the winding body. This method arrangement is particularly preferred for a thread pitch at the beginning of a tape roll.
- the aforementioned ring element can be an inner ring for the thread pitch at the beginning of the tape roll and an outer ring for the thread pitch at the end of the tape roll.
- a particularly advantageous shedding arises when for striking the crosshairs at least two arranged on the winding body in relation to the circumferential direction shedding combs are moved from an outer circumference about tangential rest position in a shedding position, in which the combs projecting radially from the outer periphery and that in the course of a Winding body rotation, the threads are preferably placed alternately on the combs and between the combs.
- the shedding combs can be relatively easily moved with a partial rotation in their working position.
- this method could also be used for sizing. This is not about a cross formation, but a separation of the threads.
- For the sizing division a plurality of shedding combs arranged one behind the other are formed such that a shed is formed in each case only for individual threads. If additionally a sizing division is provided, this is preferably done before the crosshair formation.
- An auxiliary section bar can be inserted into the open compartment. Thereafter, forming the subject tray shedding comb can be moved back to the rest position and finally the divided by the auxiliary dividing rod threads can be stripped on a sub-element, preferably on a sub-string or on a sub-band. The sub-string or sub-band is thus not actually fed into the subject, but the threads are handed over to these sub-elements.
- the subband can be moved by a shedding comb by means of a push or pull movement of a tape winding to a next tape reel.
- the sub-band engage via its radially projecting from the outer circumference end portion in the shedding comb, whereby the sub-band can be pulled along when moving the shedding comb in a simple manner.
- a shock movement could take place.
- a plurality of tape reels with the same or different thread repeat can be wound on each other or side by side on the winding body, wherein the winding body rotates continuously.
- one of a plurality of threads of preferably different genus existing thread group is introduced to a arranged in the winding region of the bobbin thread selection, wherein individual threads are withdrawn as working threads on the thread guides and form the band, while the remaining threads as stock threads on the thread selection means one clamping point are held clamped.
- the working threads of the wound strip are separated and held clamped on the thread selection device, and if in at least one second winding sequence the working threads of the strip have a different composition than during the first winding sequence.
- the composition of the band can also be the same at several adjacent coils.
- a taking place at full bobbin rotation yarn transfer can be achieved particularly advantageous if the selected work threads are first stretched by the thread guide in a driving position on the winding body in which they are stretched between the yarn guides and one nip approximately parallel to the axis of rotation and that in Course of a bobbin rotation all working threads in the driving position of one of the winding body associated inner Fadenmit quietly sequentially detected and then separated from the nip.
- the thread guides can be driven with their work threads in the tape winding position on bandwidth. This flying transfer of the clamped stock threads as work threads on the bobbin can be done at high speeds and within a single bobbin rotation.
- the thread selection device for the conical winding of the strip is displaced on a shear table in the direction of the axis of rotation or at right angles thereto.
- the warping drum forms the bobbin.
- the thread pitch on a warping machine in particular for implementation of the method described above, at least one point on the peripheral region of the winding body means for hitting a crosshair and for introducing a partial element are arranged in an open by the crosshair with rotating bobbin.
- the means for hitting the crosshair may comprise at least two shed combs arranged one behind the other and approximately parallel to one another, which can be moved from a rest position approximately tangential to the outer circumference, in particular by means of a pivoting movement, into a shedding position in which the combs project radially from the outer circumference by means of the thread guide the threads are alternately on the combs and between the combs can be stored.
- the shedding combs can either be part of the wound body or be detached from the winding body.
- At least the sumanekamm forming the relevant compartment may be associated with a sub-auxiliary rod, which is insertable for introducing the sub-element parallel to the shedding comb in the open compartment. It may be advantageous if each suction cup is assigned.
- the partial element can be a partial cord which can be pulled off from a preferably cylindrical partial cord storage which is held on the movement axis of the auxiliary partial rod next to the shedding comb.
- a thread scraper can be arranged, with which the tensioned threads, on the end face of the Operaschnur heading battered auxiliary sub-rod and the sub-string memory on the sub-string are pushed.
- a partial band which is displaceable parallel to the winding body shell and has an end portion projecting radially from the outer circumference can run on the winding body.
- a thread scraper can be arranged, with which the clamped separate threads are pushed from the auxiliary part of the sub-strip, with the aid of the end portion, the thread pitch is maintained.
- Such a sub-band can for example consist of an elongated thin metal strip or strip of plastic with a thickness between 0.1 and 1 mm.
- the end portion should preferably be formed inflexible or relatively rigid, whereby its radially projecting from the outer circumference position can be maintained even under mechanical action.
- a sub-band can be replaced after completion of the warping process by drawing a sub-string.
- the sub-band may be a flexible sub-band, which is mounted inside the drum, deflected over the end of the drum and parallel to the winding body shell is displaceable.
- the device may comprise at least one synchronously rotatable with the winding body and this surrounding ring element on which at least one point on the peripheral region, the means for hitting a crosshairs are arranged with rotating bobbin, wherein the ring element is an inner ring for the thread pitch at the beginning of a tape roll and / or an outer ring for the thread pitch at the end of a tape roll is.
- the ring element is an inner ring for the thread pitch at the beginning of a tape roll and / or an outer ring for the thread pitch at the end of a tape roll is.
- the means for hitting a crosshair at the beginning of a tape roll may also be associated with the winding body, wherein these are arranged on a displaceable on the winding body surface inner ring.
- This inner ring would thus be part of the bobbin. It can be displaceable synchronously or asynchronously with a wound with the winding body and surrounding this outer ring for the thread pitch at the end of a tape roll.
- the ring element may be provided in the region of its outer shell with a toothed ring, which is rotatably driven via a drive shaft synchronously with the winding body. In this way, the rotational movement for the ring element can be accomplished particularly easily.
- Means for displacing the auxiliary part bar into an open compartment and / or from an open compartment may be provided, which are in operative connection with an auxiliary sub-bar linkage surrounding the winding body, which may preferably be controllable by switches.
- means for displacing the thread scraper can be provided which are in operative connection with a thread scraper link arrangement surrounding the winding body, which can preferably be controlled by switches. Two switches can be provided for the two directions of movement. Of course, other control means are conceivable instead of the switches.
- means for swiveling the shedding combs from the rest position to the shedding position and in the opposite direction can be provided, which can be controlled mechanically by an electrically actuated cam control. In this way can be relatively easily acted from the outside on the rotating shedding comb.
- the thread-splitting device can be combined with a device for winding a strip consisting of a plurality of parallel threads onto a winding body which can be driven in rotation about an axis of rotation.
- a yarn guide can be arranged in the peripheral region of the winding body for each individual thread, over which the thread in question can be wound up and with which the winding position can be fixed on the winding body.
- the yarn guides may be part of a yarn selection device, which may each have a nip and a thread guide for a plurality of threads, wherein a portion of these threads are deducted as the working threads forming the tape on the thread guide, while the remaining threads as stock threads at the nips can be fixed in the waiting position.
- a thread guide module having a gear for adjusting the thread guide and a movable clamping-cutting unit with a nip for clamping the thread and a cutting device for separating the thread.
- the cutting and clamping of the threads takes place in this way virtually the same location, whereby the flying thread change is made possible with rotating winding body.
- the gear of the yarn guide module is preferably a traction mechanism with a traction means, in particular with a toothed belt on which the yarn guide is arranged such that it is movable on a yarn guide path approximately parallel to the axis of rotation of the winding body.
- the traction mechanism can, for example be moved very quickly and precisely with a stepper motor. Conceivable, however, would be other types of transmission, such as a push rod, at the end of the yarn guide is arranged.
- the clamping-cutting unit can be mounted so movable about at right angles to the yarn guide distance, that the nip is displaceable relative to the winding body circumference between a radially outer rest position and a radially inner yarn transfer position.
- This lifting movement can be made for example via a pneumatic pressure cylinder.
- the winding body may be a warping drum of a cone warping machine.
- the yarn selection device can be mounted on a shear table such that it is displaceable both in parallel and at right angles to the axis of rotation of the drum
- the inner and the outer Fadenmit nutrients can be displaceable parallel to the axis of rotation of the winding body, wherein the inner Fadenmit demands is arranged on a linear guide in the winding body surface and the outer Fadenmit scenery on a rotatably driven, the winding body surrounding outer ring which is mounted in an outer ring bearing.
- the apparatus may comprise an inner thread driver arranged on the winding body for detecting and taking along all the threads of the tape to be wound at the beginning of the winding, as well as an outer thread follower co-rotating synchronously with the winding body on an outer orbit for temporarily detecting all the threads of a wound tape.
- a generally designated 1 warping machine essentially from a warping drum 2 as a bobbin with a cylindrical portion 3 and a conical section 4.
- the warping drum is mounted about a winding body or drum axis 6 rotatably in a frame 5.
- a Schulrtisch 7 rests on a Schrtisch entry 11 and is displaceable on this parallel to the axis of rotation 6 in the direction of arrow c.
- a thread selection device 8 is also displaceable in the direction of arrow d relative to the warping drum and at right angles to its axis of rotation.
- the yarn selection device curves over a segment of, for example, 90 ° around the surface of the warping drum 2.
- a plurality of yarn guide modules 20, shown only schematically here, are arranged on the yarn selection device in the circumferential direction. From a creel, not shown here, or from another thread dispenser device a yarn sheet 9 is withdrawn, with each individual thread to a the thread guide modules 20 is guided. Suitable facilities, such as thread brakes ensure that the threads always stay tense.
- an inner ring 12 is arranged on the cylindrical portion 3 of the warping drum 2, which carries the means for crosshairs or sizing and which rotates together with the drum.
- the inner ring 12 is guided in drum longitudinal grooves 13 and can be moved along the same as the shear table 7 in the direction of arrow c.
- an outer ring 14 For shedding, especially for crosshairs at the end of a coil, an outer ring 14 is provided which surrounds the drum shell concentric and which is drivable in synchronism with the drum.
- the outer ring is mounted in an outer ring bearing 15, which in turn is supported on an outer ring slide 16 and linearly displaceable in this direction in the arrow direction c.
- the outer ring 14 carries the funds required for crosshairs.
- control cabinet 10 the components are housed to control the warping machine.
- FIG. 3 shows a perspective partial view yarn selection with yarn guide modules of a warping machine.
- the thread selection device 8 has a plurality of thread guide modules, wherein the modules 20 ', 20 ", 20"' and 20 ' v are arranged successively in the circumferential direction.
- an inner ring associated sumorekamm 40 recognizable, the configuration and operation described in detail later becomes.
- a yarn guide 21 can be moved or positioned along the drum axis in the direction of arrow e. The movement of the thread guide 21 can take place with a traction mechanism 33.
- other means for moving the yarn guide 21 are conceivable, such as pneumatic or hydraulic systems.
- the module has a holding plate 32, to which a gear unit 33 and a clamping cutting unit 22 are attached.
- the gear unit has a traction mechanism with a toothed belt 29.
- the toothed belt can be driven via a yarn guide drive 34, which is preferably a stepper motor.
- a yarn guide 21 is attached, which can travel in the direction of arrow e a thread guide section FS.
- the clamping cutting unit 22 is arranged on a lifting carriage 26 which is mounted displaceably in a guide 35.
- the drive means is a pneumatic pressure medium cylinder 28.
- the clamping-cutting unit has a Doppelhebearm 25 which is articulated on the lifting carriage 26 and the upper lever arm via a pneumatic pressure medium cylinder 27 can be activated.
- the actual cutting device 24 is formed on the lower lever arm by a cutting edge.
- a nip 23 which is also activated via the Doppelhebearm 25.
- the supplied work thread or stock thread 18/19 is introduced via a thread guide tube 36, which on the side of the Doppelhebelarms so over the nip 23 opens, that the thread is on the thread guide section of the thread guide 21.
- the thread guide has a notch or groove which prevents the thread from sliding away.
- a thread in the in FIG. 5 shown starting position is clamped to a yarn guide module, it serves as a stock thread 19, which can be included at any time as a working thread in the warping process to form a band.
- the yarn guide 21 is activated so that it covers a part of the yarn guide section FS and first occupies a thread take-up position FM.
- the lifting carriage 26 is already in the in FIG. 5 illustrated lowered position.
- the required for the achievement of thread take-up position FM thread supply is withdrawn via the yarn guide tube 36.
- the rotational movement of the drum is tuned to the movement of the yarn guide 21, that immediately after reaching the thread take-up position FM, the lower Fadenmit diversity 33 entrains this and every other work thread of the current roll.
- the yarn guide 21 on the yarn guide FS a piece further moved to be read for hitting a crosshair in a shedding comb 40.
- This shedding process will be described in more detail below.
- the shedding comb for a crosshair has U-shaped forked comb ends 42, in each of which a single working thread can be deposited. Between the individual comb ends 42 threads can also be stored.
- FIG. 9a is shown symbolically, each yarn guide 21a, 21b, 21c, etc. of sequentially following yarn guide modules is then moved so far in turn, that in each case alternately a working thread is placed on a comb end and between a comb end.
- the lifting carriage 26 is driven at each yarn guide module 20 in the upper end position, so that the nip 23 can detect the withdrawn thread. Practically at the same time, the cutting device 24 is activated, on the one hand frees the just-worked working thread 18 from the thread guide 21 and at the same time held back as Vorratsfaden 19 at the nip in the ready position.
- FIG. 12 the means for hitting a crosshair at the beginning of a coil on the inner ring 12 are arranged.
- the situation shown corresponds approximately to that according to FIG. 9 , wherein adjacent threads are alternately read in successively arranged shedding combs 40a, 40b.
- the inner Fadenmit counseling is indicated.
- a crosshair 50 with an opened shed 51 in which a part element can be introduced, is evidently formed.
- the hitting of a crosshair would also occur when using synchronously co-rotating the winding body surrounding ring elements (outer ring, inner ring) in principle in approximately the same way.
- the sizing division can also take place in approximately the same way. In contrast to crosshair formation, a multiplicity of shedding combs arranged one behind the other must be provided for the sizing division. In addition, the shedding combs are designed differently for sizing (see Figures 28a and 28b ). Further details of a sumaneschs are from the FIGS. 13 and 14 seen.
- the curved shedding comb 40 for example made of plastic material, is fastened to a rotatable comb shank 41. Slidable parallel to the comb shaft, an auxiliary part rod 43 is arranged. At the end of the extended comb shaft 41, a pincer-like sleeve holder 45 is provided which clampingly grips a partial cord sleeve 44.
- the approximately cylindrical partial cord sleeve has a partial cord spindle 46, which is screwed centrally into the partial cord sleeve, so that an open annular gap 55 remains.
- a suitable sub-string 49 is wound, which can be removed via the annular gap 55.
- the sub-line sleeve 44 has on the front side of the auxiliary part of the rod 43 facing side via a connecting element 47, to which the auxiliary sub-rod 43 and the sub-string sleeve 44 can be coupled.
- the extended auxiliary part rod 43 thus detects the fixed in the sleeve holder 45 part cord sleeve 44, which otherwise has approximately the same outer diameter as the auxiliary part rod. Subsequently, the sleeve holder 45 is opened, so that the entire peripheral region of the Operaschnurhülse 44 is exposed. This allows a stripping of the split thread assembly from the auxiliary part rod 43 to the withdrawn part cord 49th
- FIG. 15a Serves a thread scraper 48, the in FIG. 15a is shown and is displaceable in the direction against the Operaschnurhülse 44.
- the FIGS. 15a / 15b show a shedding comb 40 in the ready position, that is, with radially outwardly projecting comb 42nd
- the auxiliary sub-bar 43 is still pulled back, so according to FIG. 16 the sumorekamm can be wound.
- the upper threads 53 are in the U-shaped comb ends 42 and the lower threads 52 are located between the combs directly on the comb shaft 41.
- the distance between the lower and the upper threads forms the open compartment 51.
- the bandwidth of the later warp strip of the entire shedding comb or only a portion thereof is wrapped.
- the auxiliary section bar 43 is adjusted according to FIG. 17 extended and then the shedding comb 40 is rotated back into its radially inner rest position.
- FIG. 18 This situation is in FIG. 18 shown.
- the upper threads 53 now rest directly on the auxiliary part rod 43 and the lower threads 52 still rest on the comb shaft 41.
- the auxiliary part rod 43 has detected the Operaschnurhülse 44 end and the latter is freed from the sleeve holder 45.
- the Fadenabstreifer 48 are advanced, which strips the lower and the upper threads 52/53 on the Generalschnurhülse 44 addition to the sub-string 49.
- the thread wiper 48 moves back again and the shedding comb 40 remains in this waiting position FIG. 20 until he is turned off to a new shed education.
- shedding at the end of a roll is done with similar means as at the beginning of the roll, ie also with shedding combs.
- these upper or outer shedding combs are assigned to the outer ring 14 whose diameter is dimensioned so that it is larger than the largest possible winding diameter.
- a partial cord but a flexible partial ligament is introduced into the open thread compartment as a partial element, wherein the design of the compartmentalised part as well as the method steps are not the same as on the inside.
- a curved shedding comb 40 with comb ends 42 is also arranged on a comb shank 41.
- the flexible sub-band 54 with its angled End portion 58 is disposed below the comb shaft 41 and can be advanced from the drum inside.
- An upper auxiliary section bar 56 can also be extended parallel to the comb shaft 41.
- a stripper sleeve 57 is provided, which surrounds the entire auxiliary section rod 56.
- the stripper sleeve 57 is extended, wherein the lower threads 52 fall on the sub-band 54.
- the upper threads 53 are initially still on the end of the auxiliary part of the rod 56.
- the end of the auxiliary part bar is aligned approximately with the angled end of the sub-band 54th
- FIG. 27 A complete winding process will be described below with reference to the schematic representation FIG. 27 described.
- the diagram shows from bottom to top ascending the individual winding sequences with a view at right angles to the drum.
- the viewing direction is tangential to the warping drum 2 with the cylindrical section 3 and the conical section 4, and with an already completed winding 37.
- the bottom two-thirds of the representation show a practical development of the drum shell in the various operating sequences, with the right Angular position of the drum is specified.
- a winding process begins with the presentation phase 60, in which the yarn selection device 8, as described above, transfers the work threads 18 to the drum with the aid of the active yarn guides 21A and brings them into the correct relative position.
- the diagram shows a total of 6 active yarn guides 21A. In the case of two passive thread guides 21P, the corresponding thread guide modules remain in their neutral standby position, in which the stock threads 19 rest.
- the working threads 18 are read into the lower shedding combs 40 with the aid of the active thread guides 21A.
- the split threads are pushed onto the sub-string and then the active thread guides 21A move the threads together on the one hand Bandwidth B of the warp 17 and on the other hand simultaneously to the left at the foot point 38 of the conical section 4.
- the drum has a Rotation of 360 ° covered.
- the upper overwinding phase 63 follows for reading in the threads in the upper shedding combs 40 on the outer ring 14.
- the active yarn guides 21A travel further to the left and at the same time again apart to the scanning width.
- the drum again requires a full revolution of 360 °.
- the yarn guides 21A ride together in a row to transfer the working threads 18 together to the outer Fadenmitcret 31, wherein the yarn guide modules cut the work threads and in turn detect by clamping. This action is shown as upper presentation phase 64.
- FIGS. 29a and 29b show a relatively detailed view of a warping machine 1.
- the inner ring for shedding is designed such that it concentrically surrounds the drum shell and is drivable synchronously with the drum 2 (instead of being arranged directly on the drum).
- the inner ring is assigned to a yarn dividing unit designated 82 and the outer ring is assigned to a yarn dividing unit designated 81. Between the units 81 and 82, the thread selecting device 8 is arranged, as is apparent.
- FIG. 30 schematically shows the totality of the mechanical function groups on the warper with the associated drive motors, namely essentially the warping drum 2, the frame 5, the shear table 7 and the Faden detoxl sensible 8.
- the inner ring 12 and the outer ring 14 are each ausmorekarmme 40 are attached.
- both inner ring 12 and outer ring 14 of the warping drum 2 detached elements, but are rotatably driven in synchronism with the warping drum 2.
- FIG. 31 differs from FIG. 30 essentially in that here the inner thread-splitting unit 82 with the inner ring 12 and the outer thread-splitting unit 81 with the outer ring 14 are designed to be movable separately from one another in the direction of the drum rotation axis 6 (the drives provided for this purpose are designated RAA and RAI).
- the ring elements 12 and 14 are provided in the region of their outer shells with a ring gear, which are rotatably driven via a drive shaft 66.
- subbands 54 (54- for the thread pitch at the beginning of a band, 54 2- at the end of a band) which are mounted inside the drum, deflected over the end of the drum and parallel to the drum shell are displaced. Recognizable are then the corresponding thread wiper 48.
- the warping machine differs according to FIG. 31 from FIG. 30 in that the thread selection device 8 can be driven separately from the sharpening carriage 7 (drive 77).
- FIGS. 32 and 33 show enlarged sections of the warper 1 according to Figure 29a / 29b , For better visibility of the yarn guide modules 21, however, the inner thread pitch unit was moved outside the image section.
- the work threads 18 are recognizable and indicated by solid lines. These are wound onto the warping drum 2 during a warping operation.
- the remaining threads (supply threads) of the yarn sheet 9 are indicated by dashed lines.
- the thread pitch unit has an annular configuration. It contains a housing 68, in which the inner ring 12 (see FIG. 35 ) is mounted by means of rollers 74. Further, on the side of the housing 68 facing the yarn selection device (not shown), there is provided a link device 73 for activating and moving the shedding comb 40 (pivoting movement), the auxiliary part rod and the thread wiper (in each case translatory movement). Details of the gate device are from the following FIG. 37 recognizable.
- FIG. 37 shows, electrically actuated switches are provided for driving the respective gate assemblies.
- the thread scraper 48 can be transferred into the slide assembly 70, whereby it by the rotational movement of the winding body in the f direction from a rest position ( Fig. 37 ) can be moved to an extended position.
- a pin 76 is arranged on the thread scraper 48, which cooperates with the link arrangement 70.
- the (in Fig. 37 not visible) auxiliary bar can be moved in the same way with a separate slide switch arrangement. For the necessary two directions of movement (forward, backward) two switches are needed.
- Another switch 75 is used to produce the pivoting movement for the shedding comb 40 from a rest position to a shed position.
- This pivoting movement can be done by an electrically actuated cam control.
- other means could be used to drive and move the shedding comb, the auxiliary bar and / or the Fadenabstreifers, in particular, the means (instead of from outside) could also be arranged directly in or on said elements.
- a thread-splitting unit 82 is shown in a side view.
- a pin 77 can be seen, with which the pivoting movement of the shedding comb 40 can be performed.
- the shedding comb 40 shown here is characterized in that it has an auxiliary comb element 65. With this auxiliary comb element, a sub-band can be moved by means of a pulling movement.
- a corresponding procedure is based on the Figures 39a / 40b (Top view), 39b / 40b (side view) and 39c / 40c (end view).
- the show Figures 39 the framanekamm 40 in a sumanegna.
- the shedding comb 40 comes into engagement with the end portion 58 of the sub-belt 54.
- This sub-band is preferably introduced at the beginning of a tape roll. If now moves the shedding comb of a tape roll to a next tape roll in the direction of arrow c, the sub-band 54 is automatically pulled along.
- the auxiliary comb member 65 serves as a stop for the end portion 58.
- a subband for the end of a tape reel can be moved in a similar manner. In the case of the outer thread-splitting unit, the displacement of the outer sub-band would advantageously be effected by a shock movement. A hanging like in the Figures 39 and 40 would not be necessary.
- the sub-band 54 could be pulled along with the help of the thread scraper 48 when changing the band.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Warping, Beaming, Or Leasing (AREA)
- Manufacture Of Motors, Generators (AREA)
- Treatment Of Fiber Materials (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Tyre Moulding (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Moulding By Coating Moulds (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Decoration Of Textiles (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Fadenteilung an einer Schärmaschine. Schärmaschinen zum Wickeln eines aus einer Mehrzahl von parallelen Fäden bestehenden Bandes auf eine um eine Drehachse rotierenden Wickelkörper werden beispielsweise in der Textiltechnik bei der Webereivorbereitung zum Schären der Webkette eingesetzt.The invention relates to a method and an apparatus for thread pitch on a warper. Warping machines for winding a strip consisting of a plurality of parallel threads onto a winding body rotating about an axis of rotation are used, for example, in textile technology in weaving preparation for warping the warp.
Im Rahmen eines Schärprozesses ist es zur korrekten Vorlage der Kette auf den Webbaum erforderlich, Teilelemente in den Fadenverband einzuführen. Das Einlegen von Teilelementen erfordert bei konventionellen Verfahren in der Regel immer einen Maschinenstillstand. Ein derartiges Verfahren ist beispielsweise aus der
Es ist daher eine Aufgabe der Erfindung, ein Verfahren und eine Vorrichtung der eingangs genannten Art zu schaffen, mit denen eine Fadenteilung an einer Schärmaschine ohne Maschinenstillstand möglich ist. Diese Aufgabe wird in verfahrensmässiger Hinsicht durch ein Verfahren mit den Merkmalen gemäss Anspruch 1 und in vorrichtungsmässiger Hinsicht durch eine Vorrichtung mit den Merkmalen im Anspruch 9 gelöst.It is therefore an object of the invention to provide a method and an apparatus of the type mentioned, with which a thread pitch on a warping machine is possible without machine downtime. This object is achieved in procedural terms by a method having the features according to
Am Anfang und/oder am Ende eines Bandwickels wird mit wenigstens einem Teil der Fäden an wenigstens einer Stelle in einem Umfangsbereich des Wickelkörpers bei drehendem Wickelkörper ein Fach gebildet. In das geöffnete Fach wird dann ein Teilelement eingebracht. Eine derartige Fadenteilung kann vorzugsweise dazu dienen, ein Fadenkreuz zu bilden. Ein solches Fadenkreuz erleichtert später ein Weiterverarbeiten beispielsweise in der Weberei. Selbstverständlich kann eine derartige Fadenteilung auch für eine Schlichteteilung eingesetzt werden. Die Fachbildung, insbesondere die Fadenkreuzbildung und die Einführung des Teilelements erfolgt somit bei voller Arbeitsgeschwindigkeit. Das Verfahren eignet sich einerseits für die Anwendung in konventionellen Schärverfahren, bei denen die Fäden am Schärblatt auf die richtige Fadendichte und Bandbreite gebracht werden. Andererseits eignet sich das Verfahren aber auch für ein Schärverfahren, bei welchem jeder einzelne Faden über einen individuellen Fadenführer abgelegt wird. Die Wickelposition jedes einzelnen Fadens auf den Wickelkörper kann somit mit einem diesem Faden zugeordneten Fadenführer festgelegt werden. Die Fadenführer ersetzen damit das Schärblatt, wobei sie jedoch im Gegensatz zu diesem beliebige Positionen anfahren können. Die Fadenführer können vorzugsweise in Richtung der Drehachse aus einer Ruheposition in eine Arbeitsposition verstellbar sein. Damit können die Fadenführer wechselweise zum Einsatz gelangen und so die Zusammensetzung des zu wickelnden Bandes beliebig ändern. Daraus ergibt sich eine fliegende Übernahme der Arbeitsfäden auf den Wickelkörper. In diesem Fall erfolgt damit sowohl die Fachbildung als auch die Übernahme der Arbeitsfäden bei voller Arbeitsgeschwindigkeit.At the beginning and / or at the end of a band winding, a compartment is formed with at least a part of the threads at at least one point in a peripheral region of the wound body when the winding body rotates. In the open compartment, a sub-element is then introduced. Such thread pitch may preferably serve to form a crosshair. Such a reticle later facilitates further processing, for example in the weaving mill. Of course, such a thread pitch also be used for a sizing division. The shedding, especially the crosshairs and the introduction of the sub-element is thus at full speed. On the one hand, the method is suitable for use in conventional warping processes, in which the threads on the warper blade are brought to the correct thread density and width. On the other hand, the method is also suitable for a warping process in which each individual thread is deposited over an individual thread guide. The winding position of each individual thread on the winding body can thus be determined with a thread guide associated with this thread. The thread guides thus replace the sharpening blade, but in contrast to this they can approach arbitrary positions. The thread guides may preferably be adjustable in the direction of the axis of rotation from a rest position into a working position. Thus, the yarn guide can be used alternately and so change the composition of the tape to be wound arbitrarily. This results in a flying takeover of the work threads on the bobbin. In this case, both the specialist training as well as taking over the work threads at full speed.
Das Fach kann auf vorteilhafte Art und Weise mit Hilfe von im Umfangsbereich des Wickelkörpers angeordneten Fachbildekämmen gebildet werden, die zusammen oder synchron mit dem Wickelkörper rotieren. Beispielsweise für eine Fadenkreuzteilung können die entsprechenden Fäden wechselweise auf die Kammenden und zwischen die Kammenden abgelegt werden.The compartment can be formed in an advantageous manner with the aid of shedding combs arranged in the peripheral region of the winding body, which rotate together or synchronously with the winding body. For example, for a crosshairs, the corresponding threads can be alternately deposited on the combs and between the combs.
Das Fach kann auf besonders vorteilhafte Art und Weise durch Ablegen von Fäden auf Fachbildekämme gebildet werden, die auf einem synchron mit dem Wickelkörper mitdrehenden und diesen umgebenden Ringelement angeordnet sind. Dieses Verfahren eignet sich insbesondere auch für konventionelle Wickelkörper, beispielsweise für Schärtrommeln von bekannten Konusschärmaschinen. Eine besondere Ausgestaltung der Schärtrommel ist nicht unbedingt erforderlich.The compartment can be formed in a particularly advantageous manner by depositing threads on shedding combs, which are arranged on a co-rotating synchronously with the winding body and this surrounding ring element. This method is suitable in particular also for conventional winding bodies, for example for warping drums of known cone warping machines. A special embodiment of the warping drum is not essential.
Alternativ können die Fäden auch direkt auf den Wickelkörper abgelegt werden. Das Fach kann hierzu durch Ablegen von Fäden auf Fachbildekämme gebildet werden, die auf dem Wickelkörper angeordnet sind. Da die Fachbildekämme Bestandteil des Wickelkörpers sind, kann auf zusätzliche Antriebs- und Übertragungsmittel zur Herstellung einer synchronen Rotation mit dem Wickelkörper verzichtet werden. Diese Verfahrensanordnung eignet sich besonders bevorzugt für eine Fadenteilung am Anfang eines Bandwickels.Alternatively, the threads can also be stored directly on the winding body. For this purpose, the compartment can be formed by depositing threads on shed forming combs, which are arranged on the winding body. Since the shedding combs are part of the bobbin, can be dispensed with additional drive and transmission means for producing a synchronous rotation with the winding body. This method arrangement is particularly preferred for a thread pitch at the beginning of a tape roll.
Insbesondere hinsichtlich Handhabung der Schärmaschine kann es vorteilhaft sein, wenn beim Verfahren die Fachbildung am Anfang und am Ende eines Bandwickels durch analoge Mittel erfolgt. Das vorgängig genannte Ringelement kann dabei ein Innenring für die Fadenteilung am Anfang des Bandwickels und ein Aussenring für die Fadenteilung am Ende des Bandwickels sein.In particular, with regard to handling of the warping machine, it may be advantageous if the shedding at the beginning and at the end of a tape roll by analog means in the process. The aforementioned ring element can be an inner ring for the thread pitch at the beginning of the tape roll and an outer ring for the thread pitch at the end of the tape roll.
Eine besonders vorteilhafte Fachbildung ergibt sich, wenn zum Schlagen des Fadenkreuzes wenigstens zwei bezogen auf die Umfangsrichtung hintereinander auf dem Wickelkörper angeordnete Fachbildekämme aus einer zum Aussenumfang etwa tangentialen Ruhestellung in eine Fachbildestellung bewegt werden, in welcher die Kammenden radial vom Aussenumfang wegragen und dass im Verlaufe einer Wickelkörperdrehung die Fäden vorzugsweise wechselweise auf die Kammenden und zwischen die Kammenden abgelegt werden. Die Fachbildekämme können dabei relativ einfach mit einer Teildrehung in ihre Arbeitsposition bewegt werden. Dieses Verfahren könnte selbstverständlich aber auch für die Schlichteteilung verwendet werden. Hier geht es nicht um eine Kreuzbildung, sondern um ein Auseinanderhalten der Fäden. Für die Schlichteteilung sind eine Mehrzahl von hintereinander angeordneten Fachbildekämmen derart ausgebildet, dass jeweils nur für einzelne Fäden ein Fach gebildet wird. Falls zusätzlich eine Schlichteteilung vorgesehen ist, so erfolgt diese bevorzugt vor der Fadenkreuzbildung.A particularly advantageous shedding arises when for striking the crosshairs at least two arranged on the winding body in relation to the circumferential direction shedding combs are moved from an outer circumference about tangential rest position in a shedding position, in which the combs projecting radially from the outer periphery and that in the course of a Winding body rotation, the threads are preferably placed alternately on the combs and between the combs. The shedding combs can be relatively easily moved with a partial rotation in their working position. Of course, this method could also be used for sizing. This is not about a cross formation, but a separation of the threads. For the sizing division, a plurality of shedding combs arranged one behind the other are formed such that a shed is formed in each case only for individual threads. If additionally a sizing division is provided, this is preferably done before the crosshair formation.
Ein Hilfsteilstab kann in das offene Fach eingeführt werden. Danach kann der das betreffende Fach bildende Fachbildekamm wieder in die Ruhestellung bewegt werden und zuletzt können die durch den Hilfsteilstab geteilten Fäden auf ein Teilelement, vorzugsweise auf eine Teilschnur oder auf ein Teilband abgestreift werden. Die Teilschnur oder das Teilband wird somit nicht eigentlich in das Fach eingezogen, sondern die Fäden werden diesen Teilelementen übergeben.An auxiliary section bar can be inserted into the open compartment. Thereafter, forming the subject tray shedding comb can be moved back to the rest position and finally the divided by the auxiliary dividing rod threads can be stripped on a sub-element, preferably on a sub-string or on a sub-band. The sub-string or sub-band is thus not actually fed into the subject, but the threads are handed over to these sub-elements.
Auf den Wickelkörper kann eine Mehrzahl von Bandwickel mit gleichem oder mit unterschiedlichem Fadenrapport aneinander bzw. nebeneinander gewickelt werden, wobei der Wickelkörper ununterbrochen dreht. Das Teilband kann dabei durch einen Fachbildekamm mittels einer Stoss- oder Zugbewegung von einem Bandwickel zu einem nächsten Bandwickel bewegt werden. Dazu kann beispielsweise bei der Schwenkbewegung des Fachbildekamms in die Ruhestellung das Teilband über seinen radial vom Aussenumfang wegragenden Endabschnitt in den Fachbildekamm eingreifen, wodurch beim Verschieben des Fachbildekamms das Teilband auf einfache Art und Weise mitgezogen werden kann. Alternativ könnte beim Verschieben des Fachbildekamms auch eine Stossbewegung erfolgen.On the winding body, a plurality of tape roll with the same or different thread repeat to each other or be wound side by side, the bobbin uninterruptedly rotates. The subband can be moved by a shedding comb by means of a push or pull movement of a tape winding to a next tape reel. For this purpose, for example, during the pivoting movement of the shedding comb in the rest position, the sub-band engage via its radially projecting from the outer circumference end portion in the shedding comb, whereby the sub-band can be pulled along when moving the shedding comb in a simple manner. Alternatively, when moving the shedding comb also a shock movement could take place.
Ebenso kann am Ende eines Bandwickels mit wenigstens einem Teil der Fäden an wenigstens einer Stelle auf einem synchron mit dem Wickelkörper drehenden und diese umgebenden Aussenring ein Fadenkreuz zur Fachbildung geschlagen werden, wobei in das geöffnete Fach ein Teilelement eingebracht wird und wobei die Fachbildung vorzugsweise mit analogen Mitteln, also mit Fachbildekämmen erfolgt, wie am Anfang des Bandwickels.Likewise, at the end of a tape roll with at least a portion of the threads at least one point on a synchronously rotating with the winding body and this surrounding outer ring a crosshairs are beaten for shedding, wherein in the open Tray a sub-element is introduced and wherein the shedding is preferably carried out with analog means, ie with Fachbildekämmen, as at the beginning of the tape reel.
Auf diese Weise können auf den Wickelkörper eine Mehrzahl von Bandwickel mit gleichem oder mit unterschiedlichem Fadenrapport aneinander bzw. nebeneinander gewickelt werden, wobei der Wickelkörper ununterbrochen dreht.In this way, a plurality of tape reels with the same or different thread repeat can be wound on each other or side by side on the winding body, wherein the winding body rotates continuously.
Besonders vorteilhaft wird eine aus einer Mehrzahl von Fäden vorzugsweise unterschiedlicher Gattung bestehende Fadenschar an eine im Wickelbereich des Wickelkörpers angeordnete Fadenwähleinrichtung herangeführt, wobei einzelne dieser Fäden als Arbeitsfäden über die Fadenführer abgezogen werden und das Band bilden, während die restlichen Fäden als Vorratsfäden an der Fadenwähleinrichtung mittels je einer Klemmstelle klemmend gehalten werden. Diese Vorgehensweise erlaubt es, den Bandwechsel bei kontinuierlich drehendem Wickelkörper vorzunehmen, was den Arbeitsprozess ersichtlicherweise erheblich beschleunigt.Particularly advantageously, one of a plurality of threads of preferably different genus existing thread group is introduced to a arranged in the winding region of the bobbin thread selection, wherein individual threads are withdrawn as working threads on the thread guides and form the band, while the remaining threads as stock threads on the thread selection means one clamping point are held clamped. This procedure makes it possible to perform the band change with continuously rotating bobbin, which obviously speeds up the work process considerably.
Dabei ist es vorteilhaft, wenn nach wenigstens einer ersten Wickelsequenz die Arbeitsfäden des gewickelten Bandes abgetrennt und an der Fadenwähleinrichtung klemmend gehalten werden und wenn in wenigstens einer zweiten Wickelsequenz die Arbeitsfäden des Bandes eine andere Zusammensetzung haben als während der ersten Wickelsequenz. Die Zusammensetzung des Bandes kann aber auch an mehreren benachbarten Wickeln gleich sein. Schliesslich wäre es auch denkbar, dass die Fäden eines Bandes nicht nach jeder Wickelsequenz abgetrennt werden, sondern dass das Band am Ende eines Wickels direkt zum Anfang eines benachbarten Wickels geführt wird.It is advantageous if, after at least one first winding sequence, the working threads of the wound strip are separated and held clamped on the thread selection device, and if in at least one second winding sequence the working threads of the strip have a different composition than during the first winding sequence. The composition of the band can also be the same at several adjacent coils. Finally, it would also be conceivable that the threads of a tape are not separated after each winding sequence, but that the tape is guided at the end of a roll directly to the beginning of an adjacent roll.
Eine bei voller Wickelkörperdrehung erfolgende Fadenübergabe lässt sich besonders vorteilhaft dadurch erreichen, wenn die ausgewählten Arbeitsfäden zuerst mittels der Fadenführer in eine Mitnahmeposition über dem Wickelkörper aufgespannt werden, in der sie zwischen den Fadenführern und je einer Klemmstelle etwa parallel zur Drehachse frei gespannt sind und dass im Verlaufe einer Wickelkörperdrehung alle Arbeitsfäden in der Mitnahmeposition von einem dem Wickelkörper zugeordneten inneren Fadenmitnehmer nacheinander erfasst und danach von der Klemmstelle getrennt werden. Nach dem Trennen von den Klemmstellen können die Fadenführer mit ihren Arbeitsfäden in die Bandwickelposition auf Bandbreite gefahren werden. Diese fliegende Übergabe der geklemmten Vorratsfäden als Arbeitsfäden auf den Wickelkörper kann bei hohen Geschwindigkeiten und innerhalb einer einzigen Wickelkörperdrehung erfolgen.A taking place at full bobbin rotation yarn transfer can be achieved particularly advantageous if the selected work threads are first stretched by the thread guide in a driving position on the winding body in which they are stretched between the yarn guides and one nip approximately parallel to the axis of rotation and that in Course of a bobbin rotation all working threads in the driving position of one of the winding body associated inner Fadenmitnehmer sequentially detected and then separated from the nip. After disconnecting from the clamping points, the thread guides can be driven with their work threads in the tape winding position on bandwidth. This flying transfer of the clamped stock threads as work threads on the bobbin can be done at high speeds and within a single bobbin rotation.
Nach dem Aufbau eines Bandwickels können wiederum alle Arbeitsfäden von einem mit dem Wickelkörper synchron mitdrehenden äusseren Fadenmitnehmern nacheinander erfasst und danach von der Klemmstelle wiederum geklemmt und gleichzeitig vom Fadenführer getrennt werden. Damit erfolgt praktisch wieder eine fliegende Rückgabe der Arbeitsfäden in die Warteposition an den Klemmstellen.After the construction of a tape reel turn all working threads can be sequentially detected by a co-rotating synchronously with the winding body outer Fadenmitnehmern and then clamped by the clamping point and at the same time separated from the thread guide. This is practically a flying return of the work threads in the waiting position at the terminal points.
An einer Konusschärmaschine ist es ersichtlicherweise erforderlich, dass die Fadenwähleinrichtung für die konusförmige Wicklung des Bandes auf einem Schärtisch in Richtung der Drehachse bzw. im rechten Winkel zu dieser verschoben wird. Die Schärtrommel bildet dabei den Wickelkörper.It is obviously necessary on a cone warping machine that the thread selection device for the conical winding of the strip is displaced on a shear table in the direction of the axis of rotation or at right angles thereto. The warping drum forms the bobbin.
In vorrichtungsmässiger Hinsicht ist es zweckmässig, wenn zur Fadenteilung an einer Schärmaschine, insbesondere zur Durchführung des vorgängig beschriebenen Verfahrens, an wenigstens einer Stelle am Umfangsbereich des Wickelkörpers Mittel zum Schlagen eines Fadenkreuzes und zum Einbringen eines Teilelements in ein durch das Fadenkreuz geöffnetes Fach bei drehendem Wickelkörper angeordnet sind.In terms of the device, it is expedient if the thread pitch on a warping machine, in particular for implementation of the method described above, at least one point on the peripheral region of the winding body means for hitting a crosshair and for introducing a partial element are arranged in an open by the crosshair with rotating bobbin.
Die Mittel zum Schlagen des Fadenkreuzes können wenigstens zwei bezogen auf die Umfangsrichtung hintereinander und etwa parallel zueinander angeordnete Fachbildekämme aufweisen, welche aus einer zum Aussenumfang etwa tangentialen Ruhestellung insbesondere mittels einer Schwenkbewegung in eine Fachbildestellung bewegbar sind, in welcher die Kammenden radial vom Aussenumfang wegragen, wobei mittels der Fadenführer die Fäden wechselweise auf die Kammenden und zwischen die Kammenden ablegbar sind. Die Fachbildekämme können entweder Bestandteil des Wickelkörpers sein oder vom Wickelkörper losgelöst sein.The means for hitting the crosshair may comprise at least two shed combs arranged one behind the other and approximately parallel to one another, which can be moved from a rest position approximately tangential to the outer circumference, in particular by means of a pivoting movement, into a shedding position in which the combs project radially from the outer circumference by means of the thread guide the threads are alternately on the combs and between the combs can be stored. The shedding combs can either be part of the wound body or be detached from the winding body.
Wenigstens dem das betreffende Fach bildende Fachbildekamm kann ein Hilfsteilstab zugeordnet sein, der zum Einbringen des Teilelements parallel zum Fachbildekamm in das geöffnete Fach einführbar ist. Vorteilhaft kann es sein, wenn jedem Fachbildekamm ein Hilfsteilstab zugeordnet ist.At least the Fachbildekamm forming the relevant compartment may be associated with a sub-auxiliary rod, which is insertable for introducing the sub-element parallel to the shedding comb in the open compartment. It may be advantageous if each Fachbildekamm an auxiliary sub-staff is assigned.
In einer Ausführungsform kann das Teilelement eine Teilschnur sein, die aus einem auf der Bewegungsachse des Hilfsteilstabs neben dem Fachbildekamm gehaltenen, vorzugsweise zylindrischen Teilschnurspeicher abziehbar ist. Neben dem Hilfsteilstab kann ein Fadenabstreifer angeordnet sein, mit dem die aufgespannten Fäden, über den stirnseitig an den Teilschnurspeicher angeschlagenen Hilfsteilstab und über den Teilschnurspeicher auf die Teilschnur schiebbar sind.In one embodiment, the partial element can be a partial cord which can be pulled off from a preferably cylindrical partial cord storage which is held on the movement axis of the auxiliary partial rod next to the shedding comb. In addition to the auxiliary part rod, a thread scraper can be arranged, with which the tensioned threads, on the end face of the Teilschnurspeicher battered auxiliary sub-rod and the sub-string memory on the sub-string are pushed.
In einer alternativen Ausführungsform kann auf dem Wickelkörper ein parallel zum Wickelkörpermantel verschiebbares Teilband verlaufent, das einen radial vom Aussenumfang wegragenden Endabschnitt aufweist. Neben dem Hilfsteilstab kann ein Fadenabstreifer angeordnet sein, mit dem die aufgespannten getrennten Fäden vom Hilfsteilstab auf das Teilband schiebbar sind, wobei mit Hilfe des Endabschnitts die Fadenteilung aufrechterhaltbar ist. Ein solches Teilband kann beispielsweise aus einem langestreckten dünnen Metallstreifen oder Streifen aus Kunststoff mit einer Dicke zwischen 0.1 und 1 mm bestehen. Der Endabschnitt sollte bevorzugt unflexibel bzw. relativ starr ausgebildet sein, wodurch seine radial vom Aussenumfang wegragende Stellung auch unter mechanischer Einwirkung beibehalten werden kann. Ein Teilband kann nach Beendigung des Schärprozesses durch Einziehen einer Teilschnur ersetzt werden.In an alternative embodiment, a partial band which is displaceable parallel to the winding body shell and has an end portion projecting radially from the outer circumference can run on the winding body. In addition to the auxiliary part rod, a thread scraper can be arranged, with which the clamped separate threads are pushed from the auxiliary part of the sub-strip, with the aid of the end portion, the thread pitch is maintained. Such a sub-band can for example consist of an elongated thin metal strip or strip of plastic with a thickness between 0.1 and 1 mm. The end portion should preferably be formed inflexible or relatively rigid, whereby its radially projecting from the outer circumference position can be maintained even under mechanical action. A sub-band can be replaced after completion of the warping process by drawing a sub-string.
Das Teilband kann ein flexibles Teilband sein, das im Trommelinnern gelagert, über das Trommelende umlenkbar und parallel zum Wickelkörpermantel verschiebbar ist.The sub-band may be a flexible sub-band, which is mounted inside the drum, deflected over the end of the drum and parallel to the winding body shell is displaceable.
Die Vorrichtung kann wenigstens ein synchron mit dem Wickelkörper drehantreibbares und diesen umgebendes Ringelement aufweisen, auf dem an wenigstens einer Stelle am Umfangsbereich die Mittel zum Schlagen eines Fadenkreuzes bei drehendem Wickelkörper angeordnet sind, wobei das Ringelement ein Innenring für die Fadenteilung am Anfang eines Bandwickels und/oder ein Aussenring für die Fadenteilung am Ende eines Bandwickels ist. Eine solche vom Wickelkörper losgelöste Anordnung hat verschiedene Vorteile. So können verhältnismässig einfach bestehende Schärmaschinen umgerüstet werden. Die Vorrichtung zeichnet sich weiter dadurch aus, dass sie auf einfache Weise gewartet werden kann.The device may comprise at least one synchronously rotatable with the winding body and this surrounding ring element on which at least one point on the peripheral region, the means for hitting a crosshairs are arranged with rotating bobbin, wherein the ring element is an inner ring for the thread pitch at the beginning of a tape roll and / or an outer ring for the thread pitch at the end of a tape roll is. Such an arrangement detached from the winding body has various advantages. Thus relatively simple existing warping machines can be retrofitted. The device is further characterized by the fact that it can be easily maintained.
Die Mittel zum Schlagen eines Fadenkreuzes am Anfang eines Bandwickels können aber auch dem Wickelkörper zugeordnet sein, wobei diese an einem an der Wickelkörperoberfläche verschiebbaren Innenring angeordnet sind. Dieser Innenring wäre damit Bestandteil des Wickelkörpers. Er kann synchron oder asynchron mit einem mit dem Wickelkörper drehantreibbaren und diesen umgebenden Aussenring für die Fadenteilung am Ende eines Bandwickels verschiebbar sein.However, the means for hitting a crosshair at the beginning of a tape roll may also be associated with the winding body, wherein these are arranged on a displaceable on the winding body surface inner ring. This inner ring would thus be part of the bobbin. It can be displaceable synchronously or asynchronously with a wound with the winding body and surrounding this outer ring for the thread pitch at the end of a tape roll.
Das Ringelement kann im Bereich seines Aussenmantels mit einem Zahnkranz versehen sein, der über eine Antriebswelle synchron mit dem Wickelkörper drehantreibbar ist. Auf diese Weise kann besonders einfach die Drehbewegung für das Ringelement bewerkstelligt werden.The ring element may be provided in the region of its outer shell with a toothed ring, which is rotatably driven via a drive shaft synchronously with the winding body. In this way, the rotational movement for the ring element can be accomplished particularly easily.
Es können Mittel zum Verschieben des Hilfsteilstabs in ein offenes Fach und/oder aus einem offenen Fach vorgesehen sein, die in Wirkverbindung mit einer den Wickelkörper umgebenden Hilfsteilstab-Kulissenanordnung stehen, die vorzugsweise durch Weichen ansteuerbar sein können. Zusätzlich oder eventuell auch alternativ können Mittel zum Verschieben des Fadenabstreifers vorgesehen sein, die in Wirkverbindung mit einer den Wickelkörper umgebenden Fadenabstreifer-Kulissenanordnung stehen, die vorzugsweise durch Weichen ansteuerbar sein können. Für die jeweils zwei Bewegungsrichtungen können je zwei Weichen vorgesehen werden. Selbstverständlich sind anstatt der Weichen auch andere Steuermittel vorstellbar.Means for displacing the auxiliary part bar into an open compartment and / or from an open compartment may be provided, which are in operative connection with an auxiliary sub-bar linkage surrounding the winding body, which may preferably be controllable by switches. Additionally or possibly also alternatively, means for displacing the thread scraper can be provided which are in operative connection with a thread scraper link arrangement surrounding the winding body, which can preferably be controlled by switches. Two switches can be provided for the two directions of movement. Of course, other control means are conceivable instead of the switches.
Weiter können Mittel zum Schwenken der Fachbildekämme von der Ruhestellung in die Fachbildestellung und in entgegengesetzter Richtung vorgesehen sein, die mechanisch durch eine elektrisch betätigbare Kurvensteuerung ansteuerbar ist. Auf diese Weise kann verhältnismässig einfach von aussen auf den rotierenden Fachbildekamm eingewirkt werden.Furthermore, means for swiveling the shedding combs from the rest position to the shedding position and in the opposite direction can be provided, which can be controlled mechanically by an electrically actuated cam control. In this way can be relatively easily acted from the outside on the rotating shedding comb.
Die Vorrichtung zur Fadenteilung kann mit einer Vorrichtung zum Wickeln eines aus einer Mehrzahl von parallelen Fäden bestehenden Bandes auf einen um eine Drehachse drehantreibbaren Wickelkörper kombiniert werden. Bei dieser Vorrichtung kann für jeden einzelnen Faden ein Fadenführer im Umfangsbereich des Wickelkörpers angeordnet sein, über den der betreffende Faden aufwickelbar ist und mit dem die Wickelposition auf dem Wickelkörper festlegbar sein kann.The thread-splitting device can be combined with a device for winding a strip consisting of a plurality of parallel threads onto a winding body which can be driven in rotation about an axis of rotation. In this device, a yarn guide can be arranged in the peripheral region of the winding body for each individual thread, over which the thread in question can be wound up and with which the winding position can be fixed on the winding body.
Die Fadenführer können Bestandteil einer Fadenwähleinrichtung sein, die für eine Mehrzahl von Fäden je eine Klemmstelle und je einen Fadenführer aufweisen können, wobei ein Teil dieser Fäden als die das Band bildende Arbeitsfäden über die Fadenführer abziehbar sind, während die restlichen Fäden als Vorratsfäden an den Klemmstellen in Wartestellung fixierbar sind.The yarn guides may be part of a yarn selection device, which may each have a nip and a thread guide for a plurality of threads, wherein a portion of these threads are deducted as the working threads forming the tape on the thread guide, while the remaining threads as stock threads at the nips can be fixed in the waiting position.
Je ein Fadenführer und eine Klemmstelle können einem Fadenführermodul zugeordnet sein, das ein Getriebe zum Verstellen des Fadenführers sowie eine bewegliche Klemm-Schneideinheit mit einer Klemmstelle zum Klemmen des Fadens und mit einer Schneidvorrichtung zum Abtrennen des Fadens aufweist. Das Schneiden und Klemmen der Fäden erfolgt auf diese Weise praktisch ortsgleich, womit der fliegende Fadenwechsel bei drehendem Wickelkörper ermöglicht wird.Depending on a thread guide and a nip can be assigned to a thread guide module having a gear for adjusting the thread guide and a movable clamping-cutting unit with a nip for clamping the thread and a cutting device for separating the thread. The cutting and clamping of the threads takes place in this way virtually the same location, whereby the flying thread change is made possible with rotating winding body.
Das Getriebe des Fadenführermoduls ist vorzugsweise ein Zugmittelgetriebe mit einem Zugmittel, insbesondere mit einem Zahnriemen, an dem der Fadenführer derart angeordnet ist, dass er auf einer Fadenführerstrecke etwa parallel zur Drehachse des Wickelkörpers bewegbar ist. Das Zugmittelgetriebe kann beispielsweise mit einem Schrittmotor sehr rasch und präzise bewegt werden. Denkbar wären aber auch andere Getriebearten, beispielsweise eine Schubstange, an deren Ende der Fadenführer angeordnet ist.The gear of the yarn guide module is preferably a traction mechanism with a traction means, in particular with a toothed belt on which the yarn guide is arranged such that it is movable on a yarn guide path approximately parallel to the axis of rotation of the winding body. The traction mechanism can, for example be moved very quickly and precisely with a stepper motor. Conceivable, however, would be other types of transmission, such as a push rod, at the end of the yarn guide is arranged.
Die Klemm-Schneideinheit kann etwa im rechten Winkel zur Fadenführerstrecke derart beweglich gelagert sein, dass die Klemmstelle bezogen auf den Wickelkörperumfang zwischen einer radial äusseren Ruhestellung und einer radial inneren Fadenübergabestellung verschiebbar ist. Diese Hubbewegung kann beispielsweise über einen pneumatischen Druckmittelzylinder getätigt werden.The clamping-cutting unit can be mounted so movable about at right angles to the yarn guide distance, that the nip is displaceable relative to the winding body circumference between a radially outer rest position and a radially inner yarn transfer position. This lifting movement can be made for example via a pneumatic pressure cylinder.
Der Wickelkörper kann eine Schärtrommel einer Konusschärmaschine sein. Die Fadenwähleinrichtung kann auf einem Schärtisch derart gelagert sein, dass sie sowohl parallel als auch im rechten Winkel zur Drehachse der Trommel verschiebbar istThe winding body may be a warping drum of a cone warping machine. The yarn selection device can be mounted on a shear table such that it is displaceable both in parallel and at right angles to the axis of rotation of the drum
Der innere und der äussere Fadenmitnehmer kann parallel zur Drehachse des Wickelkörpers verschiebbar sein, wobei der innere Fadenmitnehmer an einer Linearführung in der Wickelkörperoberfläche und der äussere Fadenmitnehmer an einem drehantreibbaren, den Wickelkörper umgebenden Aussenring angeordnet ist, der in einem Aussenringlager gelagert ist.The inner and the outer Fadenmitnehmer can be displaceable parallel to the axis of rotation of the winding body, wherein the inner Fadenmitnehmer is arranged on a linear guide in the winding body surface and the outer Fadenmitnehmer on a rotatably driven, the winding body surrounding outer ring which is mounted in an outer ring bearing.
Die Vorrichtung kann einen am Wickelkörper angeordneten inneren Fadenmitnehmer zum Erfassen und Mitnehmen aller zu wickelnden Fäden des Bandes am Wickelanfang, sowie einen auf einer äusseren Umlaufbahn synchron mit dem Wickelkörper mitdrehenden äusseren Fadenmitnehmer zum vorübergehenden Erfassen aller Fäden eines gewickelten Bandes aufweisen.The apparatus may comprise an inner thread driver arranged on the winding body for detecting and taking along all the threads of the tape to be wound at the beginning of the winding, as well as an outer thread follower co-rotating synchronously with the winding body on an outer orbit for temporarily detecting all the threads of a wound tape.
Weitere Vorteile und Ausgestaltungen der Erfindung ergeben sich aus der nachstehenden Beschreibung eines Ausführungsbeispiels und aus den Zeichnungen. Es zeigen:
Figur 1- Eine perspektivische Gesamtdarstellung einer Schärmaschine,
Figur 2- Eine perspektivische Teildarstellung der Schär- maschine gemäss
Figur 1 aus einem anderen Blickwinkel, Figur 3- Eine Teilansicht einer perspektivischen Dar- stellung einer Fadenwähleinrichtung mit Faden- führermodulen einer Schärmaschine,
Figur 4- Eine perspektivische Darstellung eines einzel- nen Fadenführermoduls,
Figur 5- Eine Ansicht des Fadenführermoduls gemäss
Figur 4 aus Pfeilrichtung (a), Figur 6- Eine Ansicht des Fadenführermoduls gemäss
Figur 4 aus Pfeilrichtung (b), - Figuren 7a/7b
- Das Fadenführermodul in der Fadenübergabestel- lung,
- Figuren 8a/8b
- Das Fadenführermodul unmittelbar nach dem Tren- nen des Fadens von der Klemmstelle,
- Figur 9a/9b
- Das Fadenführermodul beim Ablegen des Fadens auf einen Fachbildekamm,
- Figur 10a/10b
- Das Fadenführermodul am Wickelende bei der Übernahme des Fadens durch den äusseren Faden- mitnehmer,
- Figuren 11a/11b
- Das Fadenführermodul beim Abtrennen des Ar- beitsfadens am Wickelende,
Figur 12- Eine stark schematisierte Seitenansicht auf ein Fadenkreuz,
Figur 13- Eine perspektivische Darstellung auf das Ende eines Fachbildekamms auf dem Wickelkörper mit eingeführtem Hilfsteilstab,
Figur 14- Eine im Schnitt und perspektivisch dargestellte Teilschnurhülse,
- Figuren 15a/15b
- Ein unterer Fachbildekamm zur Fadenkreuzbildung in Betriebsstellung vor dem Einlesen der Fäden,
Figuren 16- Der Fachbildekamm mit eingelegten Fäden,
Figuren 17- Der Fachbildekamm mit ausgefahrenem Hilfsteil- stab,
Figuren 18- Der Fachbildekamm in der Ruhelage mit am Hilfsteilstabende angekoppelter Teilschnurhül- se,
Figuren 19- Der Fachbildekamm mit vorgeschobenem Fadenab- streifer,
Figuren 20- Der Fachbildekamm mit zurückgezogenem Fadenab- streifer,
- Figuren 21a/21b
- Ein oberer Fachbildekamm mit eingelesenen Fä- den,
Figuren 22- Der Fachbildekamm nach dem Einführen eines Hilfsteilstabes,
Figuren 23- Der zurückgeschwenkte Fachbildekamm mit auf den Hilfsteilstab abgelegten oberen Fäden,
Figuren 24- Der Fachbildekamm nach dem Abstreifen der unte- ren Fäden auf ein Teilband,
Figuren 25- Der Fachbildekamm nach dem Abstreifen der obe- ren Fäden auf den Wickel,
Figuren 26- Der Fachbildekamm in neutraler Ausgangslage zur Aufnahme eines neuen Bandes,
Figur 27- Die schematische Darstellung der Wicklung und Fadenkreuzbildung an einem Bandwickel,
- Figuren 28a
- Ein erster Fachbildekamm zur Schlichteteilung,
- Figuren 28b
- Ein zweiter Fachbildekamm zur Schlichteteilung.
- Figuren 29a/29b
- Eine perspektivische Gesamtdarstellung einer weiteren Schärmaschine,
Figur 30- Ein Draufsicht auf eine schematisierte Schärma- schine mit der Darstellung der einzelnen Ma- schinenkomponenten,
Figur 31- Eine weitere schematisierte Darstellung einer Schärmaschine,
Figur 32- Einen Ausschnitt auf eine perspektivische Dar- stellung der Schärmaschine gemäss
Figur 29a/29b mit einer Fadenwähleinrichtung und einer Vor- richtung zur Fadenteilung, Figur 33- Eine Vorderansicht auf den
Ausschnitt gemäss Figur 32 bei einem Schärvorgang, Figur 34- Eine Vorderansicht auf eine Fadenteilungsein- heit der Schärmaschine gemäss
Figur 29a/29b , Figur 35- Die
Fadenteilungseinheit gemäss Figur 35 in ei- ner Seitenansicht, Figur 36- Die
Fadenteilungseinheit gemäss Figur 34 in ei- ner perspektivischen Darstellung, Figur 37- Einen Ausschnitt auf die Fadenteilungseinheit gemäss
Figur 36 (Ausschnitt A), Figur 38- Eine Seitenansicht einer Fadenteilungseinheit,
- Figur 39a - 39c
- Ein Fachbildekamm in Fachbildestellung und ein Teilband,
Figur 40a - 40c- Der Fachbildekamm gemäss
Figur 39a/39b/39c in einer Ruhestellung und das Teilband - Figur 41a/41b
- Ein unterer bzw. innerer Fachbildekamm mit ein- gelesenen Fäden,
Figur 42a/42b Der Fachbilde- kamm nach dem Einführen eines Hilfsteilstabes, - Figur 43a/43b
- Der zurückgeschwenkte Fachbildekamm mit auf den Hilfsteilstab abgelegten oberen Fäden, und
- Figur 44a/44b
- Der Fachbildekamm nach dem Abstreifen der obe- ren und unteren Fäden auf den Wickel.
- FIG. 1
- An overall perspective view of a warping machine,
- FIG. 2
- A partial perspective view of the sharpening machine according to
FIG. 1 from a different angle, - FIG. 3
- A partial view of a perspective view of a thread selection device with thread guide modules of a warping machine,
- FIG. 4
- A perspective view of a single yarn guide module,
- FIG. 5
- A view of the yarn guide module according to
FIG. 4 from the direction of the arrow (a), - FIG. 6
- A view of the yarn guide module according to
FIG. 4 from the direction of the arrow (b), - Figures 7a / 7b
- The yarn guide module in the yarn transfer position,
- Figures 8a / 8b
- The thread guide module immediately after separation of the thread from the nip,
- Figure 9a / 9b
- The thread guide module when placing the thread on a shedding comb,
- Figure 10a / 10b
- The thread guide module at the end of the take-up of the thread by the outer thread taker,
- Figures 11a / 11b
- The thread guide module when separating the working thread at the end of the winding,
- FIG. 12
- A highly schematic side view of a crosshair,
- FIG. 13
- A perspective view of the end of a Fachbildekamms on the bobbin with inserted auxiliary part bar,
- FIG. 14
- A sectional and perspective shown Teilschnurhülse,
- FIGS. 15a / 15b
- A lower shedding comb for crosshairs in operating position before the threads are read in,
- Figures 16
- The technical image comb with inserted threads,
- Figures 17
- The shedding comb with extended auxiliary rod,
- Figures 18
- The shedding comb in the rest position with sub-string sheath attached to the auxiliary shank end,
- Figures 19
- The shedding comb with advanced thread scraper,
- Figures 20
- The shedding comb with retracted thread scraper,
- Figures 21a / 21b
- An upper shedding comb with inserted threads,
- Figures 22
- The shedding comb after the insertion of an auxiliary partial rod,
- Figures 23
- The zurückgeschwenkte shedding comb with deposited on the auxiliary bar upper threads,
- Figures 24
- The shedding comb after stripping the lower threads onto a sub-band,
- Figures 25
- The shedding comb after stripping the upper threads on the winding,
- Figures 26
- The Fachbildekamm in neutral starting position for the admission of a new volume,
- FIG. 27
- The schematic representation of the winding and crosshairs on a tape roll,
- Figures 28a
- A first shedding comb for sizing
- Figures 28b
- A second shedding comb for sizing.
- Figures 29a / 29b
- An overall perspective view of another warping machine,
- FIG. 30
- A top view of a schematic warping machine with the representation of the individual machine components,
- FIG. 31
- Another schematic representation of a warping machine,
- FIG. 32
- A section on a perspective view of the warper according to
Figure 29a / 29b with a thread selection device and a device for thread pitch, - FIG. 33
- A front view of the neckline according to
FIG. 32 during a warping process, - FIG. 34
- A front view of a thread pitch unit of the warper according to
Figure 29a / 29b . - FIG. 35
- The thread pitch unit according to
FIG. 35 in a side view, - FIG. 36
- The thread pitch unit according to
FIG. 34 in a perspective view, - FIG. 37
- A section on the thread-splitting unit according to
FIG. 36 (Detail A), - Figure 38
- A side view of a thread-splitting unit,
- FIGS. 39a-39c
- A Fachbildekamm in Fachbildestellung and a sub-band,
- FIGS. 40a-40c
- The shedding comb according to
Figure 39a / 39b / 39c in a rest position and the subband - Figure 41a / 41b
- A lower or inner shedding comb with inserted threads,
Figure 42a / 42b The shedding comb after inserting an auxiliary sub-stick, - Figure 43a / 43b
- The swung back Fachbildekamm with deposited on the auxiliary sub-staff upper threads, and
- Figure 44a / 44b
- The shedding comb after stripping the upper and lower threads on the reel.
Wie aus den
Die Fadenwähleinrichtung krümmt sich über ein Segment von beispielsweise 90° um die Oberfläche der Schärtrommel 2. In Umfangsrichtung dicht nacheinander sind eine Vielzahl von hier nur schematisch dargestellten Fadenführermodule 20 an der Fadenwähleinrichtung angeordnet. Von einem hier nicht näher dargestellten Spulengatter oder von einer anderen Fadenspendereinrichtung wird eine Fadenschar 9 abgezogen, wobei jeder einzelne Faden zu einem der Fadenführermodule 20 geführt ist. Geeignete Einrichtungen, wie z.B. Fadenbremsen sorgen dafür, dass die Fäden stets gespannt bleiben.The yarn selection device curves over a segment of, for example, 90 ° around the surface of the warping
Für die Fachbildung zur Herstellung von Fadenkreuzen oder für die Schlichteteilung am Anfang eines Wickels ist auf dem zylindrischen Abschnitt 3 der Schärtrommel 2 ein Innenring 12 angeordnet, der die Mittel zur Fadenkreuzbildung oder zur Schlichteteilung trägt und der zusammen mit der Trommel dreht. Der innere Ring 12 ist in Trommellängsnuten 13 geführt und kann entlang diesen wie der Schärtisch 7 in Pfeilrichtung c verschoben werden.For the shedding for the preparation of crosshairs or for the sizing division at the beginning of a coil, an
Zur Fachbildung, insbesondere zur Fadenkreuzbildung am Ende eines Wickels ist ein Aussenring 14 vorgesehen, der den Trommelmantel konzentrisch umgibt und der synchron mit der Trommel antreibbar ist. Der Aussenring ist in einem Aussenringlager 15 gelagert, das seinerseits auf einem Aussenringschlitten 16 abgestützt und an diesem in Pfeilrichtung c linear verschiebbar ist. Auch der Aussenring 14 trägt die zur Fadenkreuzbildung erforderlichen Mittel.For shedding, especially for crosshairs at the end of a coil, an
In einem Steuerschrank 10 sind die Komponenten zur Steuerung der Schärmaschine untergebracht.In a
Nachstehend wird anhand der
Die Klemm-Schneideinheit verfügt über einen Doppelhebearm 25, der am Hubschlitten 26 angelenkt ist und dessen oberer Hebelarm über einen pneumatischen Druckmittelzylinder 27 aktivierbar ist. Die eigentliche Schneidvorrichtung 24 wird am unteren Hebelarm durch eine Schneidkante gebildet. Unmittelbar hinter der Schnittebene liegt eine Klemmstelle 23, welche ebenfalls über den Doppelhebearm 25 aktivierbar ist.The clamping-cutting unit has a Doppelhebearm 25 which is articulated on the lifting
Der zugeführte Arbeitsfaden bzw. Vorratsfaden 18/19 wird über ein Fadenführungsrohr 36 eingeführt, das auf der Seite des Doppelhebelarms derart über der Klemmstelle 23 mündet, dass der Faden auf der Fadenführerstrecke des Fadenführers 21 liegt. Der Fadenführer verfügt über eine Einkerbung oder Rille, welche ein weggleiten des Fadens verhindert.The supplied work thread or
Zum besseren Verständnis der nachfolgenden Funktionsbeschreibung des Fadenführermoduls 20 ist in
Solange ein Faden in der in
Unmittelbar nach dem sicheren Erfassen des Fadens wird die Klemmstelle 23 freigegeben, sodass der Arbeitsfaden mit der Umfangsgeschwindigkeit des inneren Fadenmitnehmers 30 abgezogen wird. Diese Situation ist in den
Im Anschluss daran wird gemäss den
Sobald das Ende eines Bandwickels erreicht ist und sobald auch dort mit ähnlichen Mitteln Fadenkreuze gebildet werden, fahren wiederum alle aktiven Fadenführer 21 auf eine äussere Fadenmitnahmeposition FM, in welcher alle Arbeitsfäden 18 einem äusseren Fadenmitnehmer 31 übergeben werden bzw. von diesem mitgerissen werden. Dieser äussere Fadenmitnehmer ist einem äusseren, die Trommel konzentrische umgebenden und synchron mit der Trommel mitdrehenden Aussenring 14 zugeordnet, der in
Der Hubschlitten 26 wird dabei an jedem Fadenführermodul 20 in die obere Endlage gefahren, sodass die Klemmstelle 23 den abgezogenen Faden erfassen kann. Praktisch zeitgleich wird die Schneidvorrichtung 24 aktiviert, wobei einerseits der soeben bearbeitete Arbeitsfaden 18 aus dem Fadenführer 21 befreit und gleichzeitig wieder als Vorratsfaden 19 an der Klemmstelle in Bereitschaftsstellung gehalten wird.The lifting
Wie aus
Der ausgefahrene Hilfsteilstab 43 erfasst somit die in der Hülsenhalterung 45 fixierte Teilschnurhülse 44, die im Übrigen etwa den gleiche Aussendurchmesser aufweist wie der Hilfsteilstab. Anschliessend wird die Hülsenhalterung 45 geöffnet, sodass der gesamte Umfangsbereich der Teilschnurhülse 44 freigelegt ist. Dies ermöglich ein Abstreifen des geteilten Fadenverbandes vom Hilfsteilstab 43 auf die abgezogene Teilschnur 49.The extended
Dazu dient ein Fadenabstreifer 48, der in
Sobald alle aktiven Arbeitsfäden in den Fachbildekamm eingelesen worden sind, wird der Hilfsteilstab 43 gemäss
Diese Situation ist in
Die Fachbildung am Ende eines Wickels erfolgt mit ähnlichen Mitteln, wie am Wickelanfang, d.h. ebenfalls mit Fachbildekämmen. Diese oberen bzw. äusseren Fachbildekämme sind wie bereits einleitend erwähnt dem Aussenring 14 zugeordnet, dessen Durchmesser so dimensioniert ist, dass er grösser ist als der grösstmögliche Wickeldurchmesser. Anders als am Wickelanfang wird als Teilelement jedoch nicht eine Teilschnur, sondern ein flexibles Teilband in das offene Fadenfach eingebracht, wobei die Ausbildung der Fachteilmittel sowie die Verfahrensschritte nicht gleich sind wie auf der Innenseite. Gemäss
Gemäss
In einem nächsten Schritt gemäss
Sobald die Abstreifhülse 57 die letzte Wegstrecke zurücklegt, fallen die oberen Fäden 53 auf den fertig gestellten Wickel, jedoch ausserhalb des Teilbands 54 (
Ein vollständiger Wickelablauf wird nachstehend anhand der schematischen Darstellung gemäss
Ein Wickelprozess beginnt mit der Vorlegephase 60, in welcher die Fadenwähleinrichtung 8 wie vorstehend beschrieben die Arbeitsfäden 18 mit Hilfe der aktiven Fadenführer 21A der Trommel übergibt und in die richtige Relativlage bringt. Im Schema sind insgesamt 6 aktive Fadenführer 21A dargestellt. Bei zwei passiven Fadenführern 21P bleiben die entsprechenden Fadenführermodule in ihrer neutralen Bereitschaftsstellung, in welcher die Vorratsfäden 19 ruhen.A winding process begins with the
In der unteren Überwicklungsphase 61 werden die Arbeitsfäden 18 mit Hilfe der aktiven Fadenführer 21A in die unteren Fachbildekämme 40 eingelesen. Wie vorstehend beschrieben werden die geteilten Fäden auf die Teilschnur geschoben und anschliessend fahren die aktiven Fadenführer 21A die Fäden einerseits auf Bandbreite B des Schärbandes 17 zusammen und andererseits gleichzeitig nach links an den Fusspunkt 38 des konischen Abschnitts 4. Am Ende dieses Prozesses hat die Trommel eine Umdrehung von 360° zurückgelegt.In the
Jetzt folgt die eigentliche Wickelphase 62 zum Aufbau des Wickels 37, wobei je nach Fadenqualität soviel Trommelumdrehungen Nx360° erforderlich sind, bis die gewünschte Wickelhöhe H erreicht ist.Now follows the actual winding
Nachdem der Wickel 37 fertig gestellt ist, folgt die obere Überwicklungsphase 63 zum Einlesen der Fäden in die oberen Fachbildekämme 40 am Aussenring 14. Zu diesem Zweck fahren die aktiven Fadenführer 21A noch weiter nach links und gleichzeitig wieder auseinander auf die Einlesebreite. Für die Fachbildung und für das Vorschieben des Teilbandes in die geöffneten Fächer benötigt die Trommel wiederum eine volle Umdrehung von 360°.After the winding 37 is completed, the
Anschliessend fahren die Fadenführer 21A auf eine Reihe zusammen, um die Arbeitsfäden 18 gemeinsam dem äusseren Fadenmitnehmer 31 zu übergeben, wobei die Fadenführermodule die Arbeitsfäden schneiden und wiederum klemmend erfassen. Diese Aktion ist als obere Vorlegephase 64 dargestellt.Subsequently, the yarn guides 21A ride together in a row to transfer the working
Ohne Anhalten der Trommel kann jetzt auf die gleiche Weise der nächste Wickel gewickelt werden, bei dem möglicherweise an der Fadenwähleinrichtung 8 andere Fäden abgerufen werden. Ersichtlicherweise bewegen sich dabei der Innenring 12, der Aussenring 14 und auch die Fadenwähleinrichtung 8 um eine Bandbreite B nach rechts.Without stopping the drum can now be wound in the same manner, the next winding, possibly at the
In den
Die
Die schematische Darstellung gemäss
Die
Aus den
Wie
In
Wie
Claims (19)
- Method for dividing yarns on a warping machine (1) comprising a wound package (2) for winding a ribbon lap consisting of a plurality of yarns (18), characterised in that, when the wound package is rotating, a shed for beating a lease or for size division is formed in particular at the start and/or at the end of a ribbon lap comprising at least a portion of the yarns at at least one position in a peripheral region of the wound package (2) and in that a dividing member, in particular a lease cord (49) or an auxiliary lease rod (56, 43) is inserted into the opened shed (51).
- Method according to claim 1, characterised in that the shed is formed using shedding combs (40, 40a, 40b) arranged in the peripheral region of the wound package (2), which shedding combs rotate together or synchronously with the wound package (2).
- Method according to claim 1, characterised in that the shed is formed by laying yarns (18) on shedding combs (40, 40a, 40b) which are arranged on a ring member (12, 14) which surrounds and rotates synchronously with the wound package (2).
- Method according to any one of claims 1 to 3, characterised in that the shed is formed at the start of a ribbon lap by laying yarns (18) on shedding combs (40a, 40b) which are arranged on the wound package (2).
- Method according to claim 3, characterised in that the shed is formed at the start and at the end of a ribbon lap by analogous means, the ring member being an inner ring (12) for dividing the yarns at the start of the ribbon lap and an outer ring (14) for dividing the yarns at the end of the ribbon lap.
- Method according to any one of claims 1 to 5, characterised in that for beating the lease (50) at least two shedding combs (40a, 40b) arranged in tandem relative to the peripheral direction are moved from a idle position approximately tangential to the outer periphery into a shedding position, in which the comb ends (42) project outwards from the outer periphery in a radial direction and in that, in the course of a ribbon lap rotation, the yarns (18) are preferably laid alternately on the comb ends (42) and between the comb ends.
- Method according to claim 6, characterised in that an auxiliary lease rod (43) is guided into the open shed, in that the shedding comb (40a) forming the shed (51) in question is thereafter moved back into the idle position and in that the yarns (52, 53) divided by the auxiliary lease rod are finally stripped off onto a dividing member, preferably onto a lease cord (49) or onto a lease band (54).
- Method according to claim 7, characterised in that a plurality of ribbon laps with the same yarn repeat or different yarn repeats are wound together or next to one another on the wound package (2), the wound package rotating continuously, and in that the lease band (54) is moved by the shedding comb (40a, 40b) from one ribbon lap to a subsequent ribbon lap by means of a pushing or pulling movement.
- Device for dividing yarns on a warping machine (1) comprising a wound package (2) for winding a ribbon lap consisting of a plurality of yarns (18), in particular for carrying out the method according to any one of claims 1 to 8, characterised in that means for beating a lease and for inserting a dividing member into a shed opened by the lease when the wound package is rotating are arranged at at least one position on the peripheral region of the wound package (2).
- Device according to claim 9, characterised in that the means for beating the lease have at least two shedding combs (40a, 40b) arranged in tandem relative to the peripheral direction and approximately parallel to one another, which are movable by means of a rotating movement from an idle position approximately tangential to the outer periphery into a shedding position, in which the comb ends (42) project outwards from the outer periphery in a radial direction, it being possible to lay the yarns alternately on the comb ends and between the comb ends by means of the yarn guide (21).
- Device according to claim 9 or claim 10, characterised in that an auxiliary lease rod (43) is allocated to at least the shedding comb (40a) which forms the comb (51) in question and, for inserting the dividing member, can be guided into the opened shed (51) in a manner parallel to the shedding comb.
- Device according to claim 11, characterised in that the dividing member is a lease cord which can be removed from a preferably cylindrical lease cord magazine which is held on the movement axis of the auxiliary lease rod (43) in proximity to the shedding comb (40a) and in that a yarn wiper (48) is arranged in proximity to the auxiliary lease rod, with which yarn wiper the stentered yarns (52, 53) can be displaced over the auxiliary lease rod, which is attached at one end to the lease cord magazine, and over the lease cord magazine onto the lease cord.
- Device according to claim 11, characterised in that a lease band (54) which can be displaced parallel to the wound package casing runs on the wound package (2) and has an end portion (58) which projects outwards from the outer periphery in a radial direction and in that a yarn wiper (48) is arranged in proximity to the auxiliary lease rod, with which yarn wiper the stentered separated yarns (52, 53) can be displaced from the auxiliary lease rod onto the lease band (54), it being possible to maintain the division of the yarns using the end portion (58).
- Device according to claim 13, characterised in that the lease band (54) is a flexible lease band (54), which is mounted in the interior of the drum, can be deflected over the end of the drum and can be displaced parallel to the wound package casing.
- Device according to any one of claims 9 to 14, characterised in that it comprises at least one ring member which surrounds and can be rotatably driven synchronously with the wound package, at at least one position on the peripheral region of which ring member the means for beating a lease when the wound package is rotating are arranged, the ring member being an inner ring (12) for dividing the yarns at the start of a ribbon lap and/or an outer ring (14) for dividing the yarns at the end of a ribbon lap.
- Device according to any one of claims 9 to 15, characterised in that the means for beating a lease at the start of a ribbon lap are allocated to the wound package, these being arranged on an inner ring (12) which can be displaced on the surface of the wound package and which can be displaced synchronously or asynchronously with an outer ring (14) for dividing the yarns at the end of a ribbon lap, which outer ring surrounds and can be rotatably driven by the wound package.
- Device according to either claim 15 or claim 16, characterised in that the ring member (12, 14) is provided in the region of its outer casing with a gear ring which can be rotatably driven synchronously with the wound package (2) by a drive shaft (66).
- Device according to any one of claims 15 to 17, characterised in that means are provided for displacing the auxiliary lease rod (43) into an open shed and/or out of an open shed and are operatively connected to an auxiliary lease rod guide arrangement (70) which surrounds the wound package and can be controlled by switches (71), and/or means are provided for displacing the yarn wiper (48) and are operatively connected to a yarn wiper guide arrangement, which surrounds the wound package and can be controlled by switches.
- Device according to any one of claims 15 to 18, characterised in that means are provided for rotating the shedding combs (40, 40a, 40b) from the idle position into the shedding position and vice versa and can be mechanically controlled by means of a cam control system which can be operated electrically.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05803007A EP1809797B1 (en) | 2004-11-10 | 2005-11-09 | Method and device for thread distribution in a warping frame |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04026668A EP1657329A1 (en) | 2004-11-10 | 2004-11-10 | Method and device for winding a band of parallel yarns on a rotating drum |
EP04026841 | 2004-11-11 | ||
EP05803007A EP1809797B1 (en) | 2004-11-10 | 2005-11-09 | Method and device for thread distribution in a warping frame |
PCT/EP2005/055867 WO2006051085A1 (en) | 2004-11-10 | 2005-11-09 | Method and device for thread distribution in a warping frame |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1809797A1 EP1809797A1 (en) | 2007-07-25 |
EP1809797B1 true EP1809797B1 (en) | 2010-12-29 |
Family
ID=35645575
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05817500A Active EP1809798B1 (en) | 2004-11-10 | 2005-11-09 | Method and device for winding a strip consisting of a plurality of parallel threads around a drum rotating about an axis of rotation |
EP05803007A Active EP1809797B1 (en) | 2004-11-10 | 2005-11-09 | Method and device for thread distribution in a warping frame |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05817500A Active EP1809798B1 (en) | 2004-11-10 | 2005-11-09 | Method and device for winding a strip consisting of a plurality of parallel threads around a drum rotating about an axis of rotation |
Country Status (7)
Country | Link |
---|---|
US (2) | US7325283B2 (en) |
EP (2) | EP1809798B1 (en) |
CN (1) | CN101057012B (en) |
AT (2) | ATE518026T1 (en) |
DE (1) | DE502005010776D1 (en) |
TW (2) | TW200636104A (en) |
WO (2) | WO2006051080A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITRM20070043A1 (en) | 2007-01-30 | 2008-07-31 | Bromas S R L | MACHINE FOR AUTOMATIC ORDERING WITH SAMPLES WITH MULTIFILED AUTOMATED SYSTEM AND RELATIVE METHOD. |
CN102453994A (en) * | 2010-10-18 | 2012-05-16 | 苏州市红玫瑰针织制衣有限公司 | Warping device for weaving machine |
CN104036953A (en) * | 2013-03-06 | 2014-09-10 | 宣德科技股份有限公司 | Magnet ring wire-winding method |
EP3121316B1 (en) * | 2015-07-20 | 2018-09-12 | Stäubli Sargans AG | Yarn arranging machine |
US11613831B2 (en) * | 2018-04-14 | 2023-03-28 | Ronak Rajendra Gupta | High thread/yarn count woven textile fabric and process of preparation thereof |
CN110629373B (en) * | 2019-09-06 | 2020-11-10 | 深圳市海弘装备技术有限公司 | Adjusting mechanism and method for automatically adjusting edge layer difference of multilayer line screen |
CN111074397B (en) * | 2019-12-31 | 2022-03-08 | 海宁科美吉新材料有限公司 | Warping machine |
CN112663195A (en) * | 2021-01-08 | 2021-04-16 | 天津工业大学 | Threading and leasing device |
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CH418998A (en) * | 1964-07-22 | 1966-08-15 | Benninger Ag Maschf | Method for overturning a warping belt that has been pulled off a warping gate and is to be wound up on a warping machine and device for carrying out this method |
US3520493A (en) | 1968-10-18 | 1970-07-14 | Robert L Carroll | Guide for a moving textile strand |
CH618748A5 (en) * | 1977-06-24 | 1980-08-15 | Zellweger Uster Ag | |
IT1114634B (en) | 1977-07-13 | 1986-01-27 | U T I T A Officine & Fonderie | SELECTION AND THREADING PROCESS AND DEVICE FOR WINDING MACHINES OF MULTI-SPOOL YARNS |
FR2409949A1 (en) | 1977-11-25 | 1979-06-22 | Asa Sa | Double package winding spindle on high speed winder - forms part of group of spindles sharing common driving roller |
FR2465675A2 (en) | 1978-10-27 | 1981-03-27 | Rhone Poulenc Textile | METHOD AND DEVICE FOR LAUNCHING WIRE AT THE BEGINNING OF RENOVATION |
DE2938902A1 (en) * | 1979-09-26 | 1981-04-16 | Hergeth KG Maschinenfabrik und Apparatebau, 4408 Dülmen | DEVICE FOR THE PRODUCTION OF SHORT CHAINS, ESPECIALLY FOR FABRIC PATTERNS IN THE COLORFUL FABRIC |
DE3307301A1 (en) * | 1983-03-02 | 1984-09-06 | Hergeth Hollingsworth GmbH, 4408 Dülmen | DEVICE FOR THE PRODUCTION OF SHORT CHAINS, ESPECIALLY FOR FABRIC PATTERNS IN THE COLORFUL FABRIC |
JPS6067366A (en) | 1983-09-16 | 1985-04-17 | Murata Mach Ltd | Yarn hooking device |
DE3733692A1 (en) * | 1987-10-06 | 1989-04-27 | Hollingsworth Gmbh | DEVICE FOR PRODUCING SAMPLE CHAINS AND THE LIKE ON A TAPERED MACHINE |
KR940010463B1 (en) * | 1990-03-27 | 1994-10-22 | 유우겐 가이샤 스즈끼 와-파- | Automatic shedding mechanism |
ES2131182T3 (en) * | 1993-12-22 | 1999-07-16 | Benninger Ag Maschf | PROCEDURE AND DEVICE FOR WINDING BANDS FOR BURNING. |
ES2125581T3 (en) * | 1994-06-20 | 1999-03-01 | Benninger Ag Maschf | DEVICE FOR THE DIVISION OF THREADS IN A WINDER. |
DE4422098C2 (en) * | 1994-06-24 | 1997-10-09 | Mayer Textilmaschf | Device and method for producing short chains |
DE4443627C2 (en) * | 1994-12-08 | 1999-11-25 | Sucker Mueller Hacoba Gmbh | Method and device for inserting thread-separating cords into the thread bands of a cone warping machine |
EP1143052B1 (en) * | 2000-04-04 | 2009-07-15 | Karl Mayer Textilmaschinen AG | Method and device for splitting the warp on a warping machine |
JP4176428B2 (en) | 2002-09-17 | 2008-11-05 | Tstm株式会社 | Traverse device |
DE10311832A1 (en) | 2003-03-18 | 2004-10-14 | Karl Mayer Textilmaschinenfabrik Gmbh | Cone warping machine and method for producing a chain on a cone warping machine |
-
2005
- 2005-11-09 DE DE502005010776T patent/DE502005010776D1/en active Active
- 2005-11-09 WO PCT/EP2005/055856 patent/WO2006051080A1/en active Application Filing
- 2005-11-09 AT AT05817500T patent/ATE518026T1/en active
- 2005-11-09 AT AT05803007T patent/ATE493526T1/en active
- 2005-11-09 US US11/718,819 patent/US7325283B2/en not_active Expired - Fee Related
- 2005-11-09 EP EP05817500A patent/EP1809798B1/en active Active
- 2005-11-09 US US11/718,817 patent/US20080092352A1/en not_active Abandoned
- 2005-11-09 EP EP05803007A patent/EP1809797B1/en active Active
- 2005-11-09 CN CN2005800382683A patent/CN101057012B/en active Active
- 2005-11-09 WO PCT/EP2005/055867 patent/WO2006051085A1/en active Application Filing
- 2005-11-10 TW TW094139360A patent/TW200636104A/en unknown
- 2005-11-10 TW TW094139361A patent/TW200628648A/en unknown
Also Published As
Publication number | Publication date |
---|---|
US20080092352A1 (en) | 2008-04-24 |
ATE493526T1 (en) | 2011-01-15 |
WO2006051080A1 (en) | 2006-05-18 |
EP1809797A1 (en) | 2007-07-25 |
WO2006051085A1 (en) | 2006-05-18 |
US20070266535A1 (en) | 2007-11-22 |
TW200636104A (en) | 2006-10-16 |
ATE518026T1 (en) | 2011-08-15 |
TW200628648A (en) | 2006-08-16 |
CN101057012A (en) | 2007-10-17 |
EP1809798A1 (en) | 2007-07-25 |
DE502005010776D1 (en) | 2011-02-10 |
CN101057012B (en) | 2012-08-29 |
US7325283B2 (en) | 2008-02-05 |
EP1809798B1 (en) | 2011-07-27 |
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