EP0026471B1 - Dispositif de changement de bobines pour machines textiles - Google Patents

Dispositif de changement de bobines pour machines textiles Download PDF

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Publication number
EP0026471B1
EP0026471B1 EP80105818A EP80105818A EP0026471B1 EP 0026471 B1 EP0026471 B1 EP 0026471B1 EP 80105818 A EP80105818 A EP 80105818A EP 80105818 A EP80105818 A EP 80105818A EP 0026471 B1 EP0026471 B1 EP 0026471B1
Authority
EP
European Patent Office
Prior art keywords
thread
bobbin
carriage
changing device
fact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP80105818A
Other languages
German (de)
English (en)
Other versions
EP0026471A1 (fr
Inventor
Heinz Dipl.-Ing. Dr. Schippers
Norbert Hufer
Gerd Münnekehoff
Udo Teich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oerlikon Barmag AG
Original Assignee
Barmag Barmer Maschinenfabrik AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Barmag Barmer Maschinenfabrik AG filed Critical Barmag Barmer Maschinenfabrik AG
Publication of EP0026471A1 publication Critical patent/EP0026471A1/fr
Application granted granted Critical
Publication of EP0026471B1 publication Critical patent/EP0026471B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/006—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package quality control of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle
    • B65H63/082—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle responsive to a predetermined size or diameter of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle
    • B65H63/084—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle responsive to a predetermined weight of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B65H67/0405—Arrangements for removing completed take-up packages or for loading an empty core
    • B65H67/0411—Arrangements for removing completed take-up packages or for loading an empty core for removing completed take-up packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B65H67/0405—Arrangements for removing completed take-up packages or for loading an empty core
    • B65H67/0417—Arrangements for removing completed take-up packages or for loading an empty core for loading an empty core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/064—Supplying or transporting cross-wound packages, also combined with transporting the empty core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/12—Density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/60—Details of processes or procedures
    • B65H2557/65—Details of processes or procedures for diagnosing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a bobbin changing device for the replacement of full bobbins for empty tubes in textile machines with a plurality of bobbins arranged along the machine front, in particular in spinning machines for chemical fibers with a plurality of winding heads, which are mounted such that the bobbin chucks lying in a common horizontal plane are perpendicular from project from the front of the machine (DE-B1-2 449 415).
  • a bobbin transport device which consists on the one hand of a carriage which can be moved along the front of the machine with devices for removing the full bobbins and inserting empty tubes and on the other hand of a bobbin creel for receiving the full bobbins.
  • the invention specified in claim 1 is based on the object of avoiding this disadvantage.
  • the bobbin changing device is divided into two and consists of a thread operating carriage and a bobbin take-off carriage, both carriages being movable separately from one another along the machine front.
  • the division of the bobbin changing device into a thread operating carriage and into a bobbin take-off carriage proposed according to this invention has the advantage that the thread operating function to be carried out when changing the bobbin is independent of the bobbin removing function.
  • the thread control has in particular the removal of the thread from its thread path that was maintained during the winding travel, the cutting of the running thread and the suctioning of the running thread during the bobbin change to a waste container and also the re-application of the running thread to the empty tube supplied to the winding unit.
  • the content of the bobbin removal function is in particular the removal of the full bobbin and the transfer of the full bobbin from the bobbin to a bobbin transport device.
  • This coil transport device can in particular be a creel, as z. B. is also shown in DE-A 21 23 689. Deviating from the design according to the mentioned DE-OS, however, the gate does not have to stand directly on the coil take-off carriage according to this invention. Since the thread control function by the thread control carriage is independent of the bobbin take-off function and the bobbin take-off carriage, the bobbin take-off carriage can perform independent and independent operations, such as e.g. B. Transport the removed full bobbins to a bobbin transport device, which may be set up at the head of the machine.
  • the reel service trolley can have a memory for the empty tubes and a device for transferring empty tubes from the memory to the respective chuck of the winding station.
  • the memory has a lateral outlet for one or more empty sleeves aligned with one another.
  • the thread control trolley has a swivel arm which carries at its free end a clamping device for the aligned empty tubes and which can be swiveled with the clamping device between the outlet of the accumulator and the chuck axis of each winding unit. Furthermore, the thread operating carriage can have a device with which the sleeves clamped in the clamping device are displaced in the axial direction onto the chuck which is respectively aligned with the clamping device. For this purpose, the empty sleeves can be moved in the clamping device. But it is also possible to give the clamping device itself a corresponding movement.
  • the microprocessor which controls the sequence of functions of the bobbin changing, to the textile machine and to connect the individual wagons of the bobbin changing device to one another and to the microprocessor by means of trailing lines, the microprocessor itself also each winding unit is operatively connected.
  • the microprocessor it is also possible to arrange the microprocessor on one of the carriages.
  • the bobbin transport device which has the function of transporting full bobbins produced on the textile machine from the textile machine (e.g. for quality control, further processing, packaging, etc.) can be movable with the bobbin removal carriage, but not have to be. Rather, it is advantageously provided that the coil transport device, which must also be constructed to be very stable to accommodate the very heavy coils, on one Park the end of the textile machine until it is loaded. It is possible to program the operations of the bobbin take-off carriage in such a way that the bobbin take-off carriage transfers the bobbins to the gate in a predetermined sequence corresponding to the work stations of the textile machine, as is also proposed by the aforementioned DE-A 21 23 689. This only makes quality control meaningful.
  • the bobbin take-off carriage has a freely projecting horizontal mandrel, provided that the winding devices assigned to the textile machine each have a winding spindle (chuck) projecting perpendicularly from the machine front in a predetermined horizontal plane.
  • This mandrel can be moved in height on a central stand and can be pivoted about a pivot axis parallel to the central stand and can be extended perpendicular to its pivot axis or perpendicular to the central stand. This mobility ensures that the coil mandrel can be aligned with the respective chuck and with the respective mandrel of the coil transport device.
  • the coil take-up carriage has a freely projecting horizontal mandrel which is surrounded concentrically by a cylindrical heating wire. This heating wire melts the thread ends to such an extent that they can no longer be a nuisance.
  • the heating wire can advantageously be arranged on the inner circumference of a cylinder jacket, which concentrically surrounds the coil receiving mandrel of the coil receiving carriage.
  • a push-out device is e.g. B. in DE-C 24 38 363 and the prior art cited therein (US-A 3 974 973) for a chuck of the type described in DE-C 21 06493 shown.
  • the full bobbins can be removed from the mandrel of the bobbin take-up carriage by an axially movable push-out device which is assigned to the bobbin take-up carriage.
  • the bobbin take-up carriage can in turn be controlled in such a way that only one coil is transferred from the take-up mandrel of the bobbin take-off carriage to one storage location (e.g. plug-on mandrel) of the bobbin transport device. This is particularly advantageous if the coils are to be further processed immediately and the coil transport device also serves as a feed gate for the further processing process.
  • the separation of the thread control functions on the one hand and the bobbin take-off functions on the other hand also makes it possible to provide the bobbin take-off carriage with a weighing device for the full bobbins.
  • the bobbin take-off carriage can preferably have two forks which are horizontally aligned with one another and are arranged in such a way that the sleeve ends of one coil each can be placed on the forks by lowering the mandrel of the bobbin take-off carriage.
  • the weighing device can be connected to the microprocessor and a printing unit for printing out the weight.
  • the thread operating function comprises, as a first step, taking the thread out of its thread path that was maintained during the winding travel, separating the thread and then suctioning off the running thread during the bobbin change.
  • the thread operating carriage has thread overflow bodies which can be moved essentially horizontally and parallel to the plane of the traversing triangle of the thread to be removed, as well as deflecting bodies which can be moved parallel to the end of the movement path of the thread overflow bodies, the extension of the thread overflow body essentially extending into the Thread run of the thread to be removed and by extending the deflection body beyond the thread run and subsequent retraction of the deflection body, a thread loop is formed.
  • the thread control carriage in the area of the thread loop - and preferably in the area of the apex of the thread loop - can have a thread cutter and a thread suction device and can be provided with a waste container for thread waste, the thread drawn to the thread loop can be cut off and then continuously suctioned off.
  • the bobbin can now be changed by transferring the full bobbin or the full bobbins from the bobbin chuck to the mandrel of the bobbin take-off carriage.
  • the bobbin removal carriage can then transfer the full bobbin to a bobbin transport device which is available somewhere, as described.
  • two thread overflow bodies essentially perpendicular to one another, are arranged for each thread run and that two deflection bodies, essentially perpendicular to one another, are also arranged for each thread run, the deflecting bodies being able to move between the two thread overflow bodies.
  • the thread operating carriage 26 shown in FIG. 1 can be moved on rails 21 along the machine front. It has a vertical column 8, on which by means of a suitable drive (not shown here) (e.g. cylinder-piston unit, chain hoist, cable pull or the like) the housing 1 for devices for forming a thread loop of the running threads and for severing and suction of the running threads is movable in the vertical direction.
  • a suitable drive e.g. cylinder-piston unit, chain hoist, cable pull or the like
  • These devices for severing and suctioning the running threads consist of a first carrier 2 for the thread overflow bodies 3, 4 and a second carrier 5 for the thread deflecting bodies 6, 7. Both the carrier 2 and the carrier 5 can be substantially perpendicular to the direction of movement of the Thread control carriage 26 and are extended horizontally.
  • the range of the carrier 5 is greater than that of the carrier 2. It is advantageous to design the thread overflow bodies 3, 4 and the thread deflecting bodies 6, 7 as driven rollers which rotate at approximately the thread speed. This prevents thread breakage.
  • the rollers 3, 4 and 6, 7 are preferably driven by a pneumatic turbine.
  • the beams 2 and 5 are hollow and connected to a compressed air supply (trailing line for the FBW). The turbine then sits on the same axis as the rollers.
  • FIG. 3 there is also a thread cutting and suction device 75 on the carrier 5, specifically between the thread deflecting bodies 6 and 7. It can be a combined tool which, on the one hand, contains an intake opening which runs along the between the deflection rollers 6 and 7 stretched thread run is slotted and has a shearing device for the thread on the thread outlet-side slot.
  • the thread control trolley 26 also contains a container 10 (FIG. 1) for the thread waste, which is drawn off by the suction device 75.
  • the thread control carriage 26 consequently has a motor-driven fan for generating the necessary negative pressure with the required energy supply lines.
  • the carriage has a memory 11 (FIG. 1) for empty tubes 13.
  • the memory has an opening 14 in which two aligned empty sleeves 13 are exposed to day.
  • a clamping device 12 is provided which is suitable for moving into the opening 14 and for clamping one or more aligned sleeves between two gripping jaws.
  • an arm 16 which can be pivoted about the pivot axis 17 is provided and is designed such that it disappears behind the column 8 in the clamped state and does not hinder the up and down movement of the housing 1.
  • the pivoting movement is effected by the cylinder-piston unit 18.
  • With 19 a chuck is shown, which belongs to a winding head located on a textile machine. Such a winding head is such. B. shown in Fig. 3.
  • the arm 16 can be pivoted and positioned such that the - one or more - empty sleeves 13 clamped in the clamping device 12 are aligned with the chuck 19. Furthermore, the swivel arm 16 can be moved along the axis 17 by a suitable drive device (not shown here) until the clamped sleeves 13 and the chuck 19 are spaced apart from one another at best. The sleeves can now be axially pushed out of the clamping device 12 and pushed onto the chuck 19 by the drive motor 15 and a suitable push-out device (for example a rotating chain).
  • a suitable drive device for example a rotating chain
  • the bobbin removal carriage 31 can also be moved on the rails 21. It has a column 34 on a base plate, on which the carriage 35 can be moved. A boom 36 sits on the carriage 35, on which a cat 37 can be moved. The cat 37 has a pivot axis 38 parallel to the column 34, on which the sliding block 44 is seated. In the sliding block 44, the U-shaped support arm 39 with the holding mandrel 40 is movable in the plane of the U.
  • the corresponding drive devices are not shown in detail here.
  • the holding mandrel 40 can be moved in height, can be moved in the direction of the arm 36, can be moved in the plane of the holding mandrel 40 and can also carry out a pivoting movement.
  • a gate 32 with a plurality of arbors 33 is also visible in FIG. 2.
  • the coils 43 and full bobbins 41 of two winding heads with push-out devices 42 which are still on the chuck travel and are seated on chucks 19 are shown in FIG. 2a.
  • FIG. 3 shows a winding head 60, on which two coils 41 (see also FIGS. 2a to 2d) are wound on a chuck 19 (see also FIG. 1).
  • the threads 61 and 62 run to the winding head via the thread guides 63 and 64.
  • the threads are moved back and forth by traversing thread guides 66 and 67 and thereby describe a so-called "traversing triangle" between the thread guides 63 and 64 and the respective bobbin.
  • the traversing device and the deflection roller 68 are seated in a carriage 65, which is adjustable in height. As a result, the drive roller can be brought into circumferential contact with the coils and raised again from the surface of the coils.
  • Winding devices of this type are e.g. B. in DE-A 20 40 479, DE-A 22 61 709, DE-A 24 38 363, DE-A 25 26 768 shown. It is essential here that the winding heads are arranged along a spinning machine in such a way that the chucks 19 project from the machine front.
  • the winding head 60 contains devices for threading. This is in particular the thread feed arm 69 with the thread catchers 70, 71 and the thread reserve thread guides 72, 73. In this respect reference is made to DE-A 2526768.
  • FIG. 4 schematically illustrates the mutual assignment of the textile machine 30 - in particular the spinning machine - with the individual winding stations 60 of the microprocessor 22 assigned to the textile machine 30, the thread operating carriage 26, the bobbin removal carriage 31 and the gate 32.
  • the thread control carriage 26 and the bobbin take-off carriage 31 can be operated independently of one another and are connected to the microprocessor 22 by trailing lines 27 and 28, respectively.
  • the microprocessor 22 on the other hand, is connected by lines 29 to the individual winding heads 60, so that the microprocessor takes over the central control of winding heads 60, thread operating carriage 26 and bobbin take-off carriage 31.
  • the gate 32 can be positioned anywhere along the rail run 21. Due to the separation of thread operating functions on the one hand and bobbin removal functions on the other hand, the bobbin removal carriage 31 is free to transfer the bobbins from the individual bobbin heads 60 to the gate 32 without the thread operation being hindered thereby.
  • Fig. 3a it is shown that the movement 101 of the carrier 2 for the thread overflow bodies 3, 4 and the carrier 5 with the thread deflecting bodies 6, 7 has moved to a level just below the thread guides 63, 64.
  • the carrier 5 is now moved in the direction of the arrow 102.
  • it has deflecting devices 25 on its front side (one deflecting device 25 is shown in FIG. 1, the other is omitted for the sake of clarity), which have the effect that the thread deflecting bodies 6, 7 initially do not come into contact with the threads 61, 62.
  • the traversing triangle which is stretched between the thread guides 63, 64 and the traversing thread guides 66, 67, is therefore not disturbed by the movement 102 of the deflecting thread guides 6, 7.
  • carrier 2 follows with movement 103 or more precisely movement 103 a.
  • the movement 103 a is carried out so that the front thread overflow body does not come into contact with the thread 61.
  • the thread overflow bodies 3, 4 are moved almost vertically under the thread guides 63, 64.
  • the carrier 5 with the deflecting bodies 6, 7 is now moved back in motion 104, and so far until the thread stretched between the deflecting bodies 6, 7 gets into a slot of the suction device 75, where the thread is passed through a Clipping device is cut off (step 105).
  • the thread running in through the thread guides 63, 64 and over the thread overflow body 3 is now constantly sucked off, while the other thread end which has been cut off is still wound on the bobbins 41.
  • the carriage 65 is started up in motion 106, so that the Trelbwalze stands out from the coils 41.
  • the mandrel 40 of the bobbin removal carriage has now been positioned in alignment with the chuck.
  • the U-shaped support arm 39 is displaced in the sliding block 44 until the arbor almost comes into contact with the end face of the chuck 19 (movement 107).
  • the push-out device 42 is then started with movement 108 - as can be seen in FIGS. 2a and 3b.
  • the holding mandrel 40 is preferably equipped on its front end face with a light source and a photo cell, while the end face of the chuck 19 has a series of light-reflecting foils or plates on its circumference.
  • the rotation of the chuck 19 therefore generates a series of pulses which is evaluated in the microprocessor 22 in such a way that the microprocessor can detect the nominal speed of the chuck 19, the braking phase, the acceleration phase and the standstill of the chuck.
  • the push-out device is put into operation by the signal of the microprocessor 22, which represents the standstill of the chuck 19. Since the push-out device engages behind the sleeves of the full bobbins, the two full bobbins are pushed onto the mandrel 40 of the bobbin removal carriage 31. Now the U-shaped support arm 39 moves back into its starting position with movement 109 (FIG. 2a).
  • the carrier 2 is moved back to its starting position while the bobbins are being moved in motion 110 and is briefly pivoted out of the thread path. Then the housing 1 is lowered on the column 8 in motion 113 to such an extent that the thread suction device 75 now lies below the horizontal plane of the chuck 19. Shortly before or at the same time, the push-out device 15 (FIG. 1) is put into operation. As a result, the sleeves 13 are pushed out of the clamping device 12 of the thread operating carriage in motion 111 onto the chuck 19.
  • a suitable construction of the chuck results from the German patent DE-C-21 06 493. This chuck has the advantage that a clamping effect is only exerted when a torque is applied to the sleeves.
  • the sleeves can be pushed on essentially axially without the need for additional operation of the chuck.
  • a chuck that is external - e.g. B. pneumatic - tensioned or relaxed.
  • Such a chuck results, for. B. from DE-A 2719 853 and from DE-A 2854715.
  • the chuck is to be operated simultaneously in the release direction. This function can also be triggered by the microprocessor 22.
  • the slide 65 is lowered in motion 112 and the chuck 19 with the empty sleeves 13 is rotated.
  • the feed arm 69 is then swiveled forward with the thread catchers 70, 71 (movement 114).
  • the carrier 5 with the deflecting thread guides 6, 7 moves in front of the front of the winding head 60 and in doing so exercises the movements 115 or 116 and 117 in front of the respective thread catchers 70, 71. It causes the threads to be caught by the thread catchers 70, 71 and by the thread reserve guides 72, 73. Details of this sequence of movements inevitably result from the respective construction of the thread catcher, which are, for. B. can be a thread guide with a lateral thread insertion slot. Now the carrier 5 is moved back with movement 118 and the swivel arm 69 is pivoted back with movement 119.
  • the thread is caught on the empty tubes and wound up.
  • the thread reserve thread guides 72, 73 are triggered (movement 120), as a result of which the thread reserve windings 74 form on the sleeves.
  • the thread then runs into the respective bobbin center and is caught there by the traversing thread guides 66, 67 and then laid to form a cylindrical bobbin.
  • the thread control carriage 26 can move to another take-up point 60. He receives the command for this from the microprocessor 22, which receives the pulse for this via a time control or a diameter scan or a thread break monitoring.
  • Movement 125 rotates the U-shaped support arm 39 about the pivot axis 38 by 180 °.
  • the trolley 37 is then moved by movement 126 to the stand 34.
  • Movement 127 raises boom 36 until mandrel 40 is aligned with a mandrel 33 of the gate.
  • the U-shaped support arm 39 can still be moved in the sliding block 44 in the direction of the mandrel 33.
  • the push-out device 45 (FIG. 2d), which is designed as an axially movable sleeve that is placed over the holding mandrel 40, is then actuated in the axial direction and the first coil is thereby transferred to the mandrel 33 by movement 128 (FIG. 2c).
  • the boom 36 and slide 35 are now lowered by movement 129 to the level of the next mandrel and then, by advancing the push-out device 45 by movement 130, the second coil is also transferred to a separate plug-on mandrel 33 of the gate 32.
  • the slide 35 is moved back to the height of the winding heads by movement 131.
  • the cat 37 moves back into a position aligned with a winding device (movement 132).
  • the support arm 39 is then pivoted about the pivot axis 38 (133).
  • the movement sequence according to FIG. 2a can then be carried out again with the feed movement 107 of the support arm 39 kick off.
  • the spring-loaded weighing plates 46, 47 with scanning devices 50, 51 and connecting lines 52, 53 to the microprocessor 22 are accommodated on the base plate of the bobbin take-off carriage.
  • On the weighing plates 46 are aligned forks 48 and 49, which are set in their spacing so that they each hold the sleeve ends of a coil.
  • the full coils located on the holding mandrel are stored and weighed in the fork pairs 48, 49. The weighing results are sent to the microprocessor 22.
  • the weighing plates 46, 47 and forks 48, 49 are preferably arranged so that the lowering movement 134 can take place following the pivoting movement 125 (FIG. 2b). Weighing can easily take place while the bobbin winder is traveling between the take-up point and the gate - d. H. without wasting time - take place.
  • the weighing allows an immediate, possibly static recording of the spinning result with regard to the bobbin weight, titer, uniformity of the preparation order and the like.
  • each spool is labeled immediately, the labels with the data recorded by the microprocessor being printed out by a printer attached to the spool removal carriage. If the weighing result deviates from a specified target value or an average value determined statically by the microprocessor, it is possible to stop the winding units in order to avoid the production of waste if the quality tolerances are exceeded.
  • the device shows a device for removing thread ends that hang from the bobbin. Such thread ends lead to malfunctions if they are caught unexpectedly by moving machine parts or suction devices.
  • the device consists of a cylinder 23 which concentrically surrounds the holding mandrel 40 on the bobbin removal carriage 31. In the entrance of the cylinder on the inner circumference there is a heating wire 24 insulated from the cylinder, which melts the hanging thread ends when full bobbins are pushed onto the mandrel 40.
  • FIG. 7 shows a schematic diagram of the arrangement of a sensor for monitoring the standstill of the chuck 78 (19).
  • a light source 76 and a photocell 77 are installed in the front end face as sensors.
  • the chuck 78 of each winding device, here referred to as full spool 41 has a series of reflecting elements 79 in its front end face. B. act on glued aluminum foils.
  • the photocell 77 is connected to the microprocessor 22. The microprocessor therefore receives a series of impulses, the frequency of which depends on the speed of the chuck 78, when the end faces of the chuck 78 and the holding mandrel 40 are appropriately approached.
  • This series of pulses is processed in particular in the microprocessor 22 so that when the chuck 78 is at a standstill, an output signal for starting the movement 108, ie for pushing the full spool 41 off the soann chuck 78, is emitted.

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (12)

1. Dispositif de changement de bobines destiné à échanger des bobines pleines (41) contre des tubes de bobines vides (13) dans des machines textiles (30) qui comportent un grand nombre de positions de bobines disposées le long de l'ayant de la machine, notamment pour des métiers à filer des fibres chimiques avec un grand nombre de têtes d'envidage (60), et sont disposées de manière que les broches de serrage de bobine (19) situées dans un même plan horizontal fassent saillie verticalement à l'avant de la machine, caractérisé en ce que le dispositif de changement de bobines est divisé en deux parties et comporte un chariot (26) de desserte de fil (Figure 1) ainsi qu'un chariot (31) d'enlèvement de bobine (Figure 2) qui sont mobiles séparément l'un de l'autre suivant la longueur de l'avant de la machine, en ce que le chariot (26) de desserte de fil (FBW) et le chariot (31) d'enlèvement de fil (FBAW) sont reliés en fonctionnement entre eux ainsi qu'avec chaque position de bobine par un microprocesseur (22) entraîné avec eux ou en position fixe, en ce que le chariot (26) de desserte de fil comporte des dispositifs (75) pour couper et aspirer les fils en mouvement pendant le changement de bobines à chaque position de bobine, et en ce que le chariot (31) d'enlèvement de bobines comporte des dispositifs (40) pour recevoir les bobines pleines (41) d'une position de bobine et pour transférer les bobines pleines (41) à un dispositif de réception ou de transport de bobines (ratelier 42) indépendant du dispositif de changement de bobines.
2. Dispositif de changement de bobines selon la revendication 1, caractérisé en ce que le chariot (26) de desserte de fil comporte des dispositifs d'emmagasinage (11) pour des tubes de bobines vides (13) et un dispositif (12, 15, 16) pour transférer des tubes de bobines vides (13) du magasin (11) aux positions de bobines.
3. Dispositif de changement de bobines selon la revendication 2, caractérisé en ce que le magasin (11) comporte une sortie latérale (14) pour chacun d'un ou plusieurs tubes de bobines vides (13) alignés entre eux, en ce que le chariot (26) de desserte de fil comporte un bras pivotant (16) dont l'extrémité libre porte un dispositif de serrage (12) pour les tubes de bobines vides (13) alignés entre eux, et qui peut pivoter avec le dispositif de serrage (12) entre la sortie (14) et l'axe de la broche de serrage (19) de chaque position de bobine, et en ce que les tubes de bobines vides peuvent être déplacés perpendiculairement au plan de pivotement du bras pivotant (16) et en alignement avec l'axe de la broche de serrage de chaque position de bobine (dispositif de déplacement 15).
4. Dispositif de changement de bobines selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le dispositif de transport de bobines comporte un ratelier (32) avec un grand nombre de broches porte-bobines (33) en saillie, qui sont disposées en rangées les unes au-dessus des autres ou les unes à côté des autres.
5. Dispositif de changement de bobines selon l'une ou plusieurs revendications précédentes, caractérisé en ce que le chariot (31) d'enlèvement de bobine comporte une broche réceptrice (40) horizontale faisant saillie librement, pouvant se déplacer en hauteur sur une colonne centrale (34) et pouvant pivoter autour d'un axe de pivotement (38) parallèle à la colonne centrale (34), et pouvant sortir perpendiculairement à son axe de pivotement (38) (mouvement 109).
6. Dispositif de changement de bobines selon la revendication 5, caractérisé en ce que la broche réceptrice (40) horizontale comporte sur sa surface d'extrémité à saillie, un capteur (70, 78) - par exemple une source lumineuse et une cellule photoélectrique - qui coopère avec un générateur de signaux (79) correspondant - par exemple un élément réfléchissant - dans la surface d'extrémité de la broche de serrage (19) et qui signale l'arrêt de la broche de serrage (19) par l'intermédiaire du microprocesseur (22).
7. Dispositif de changement de bobines selon l'une ou plusieurs des revendications 1 à 4, caractérisé en ce que le SPAW (31) comporte une broche réceptrice (40) en saillie horizontale, entourée concentriquement par un fil chauffant annulaire (24) pour fondre les fils, ce fil chauffant (24) ayant un diamètre un peu supérieur à celui d'une bobine pleine (40).
8. Dispositif de changement de bobines selon l'une des revendications 5 à 7, caractérisé en ce que le SPAW 31 comporte un dispositif de sortie (45) qui saisit par l'arrière les tubes de bobines (13) enfilés sur la broche réceptrice (40), et peut se déplacer parallèlement à la broche réceptrice (40).
9. Dispositif de changement de bobines selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le FBW 26 comporte des pièces de passage de fil (3, 4) qui sont mobiles essentiellement horizontalement et parallèlement ou dans le plan du triangle de changement du fil à prélever (61, 62), en ce que des pièces de renvoi (6, 7), de préférence deux disposées verticalement l'une au-dessous de l'autre - parallèlement au trajet du mouvement des pièces de passage de fil sont mobiles au-delà des extrémités du trajet du mouvement des pièces de passage de fil (3, 4) - et de préférence ensemble entre les deux pièces de passage de fil (3, 4) - étant préférable que deux pièces de renvoi (6, 7) situées verticalement l'une au-dessous de l'autre sont associées avec chaque trajet de fil, en ce qu'une boucle de fil est formée par le déplacement des pièces de passage de fil (3, 4) jusqu'au trajet du fil ainsi que par le déplacement des pièces de renvoi (6, 7) au-delà du trajet du fil ainsi que par le retrait qui suit des pièces de renvoi (6, 7), en ce que le FBW comporte, dans la région de la boucle de fil un dispositif de coupe et d'aspiration de fil (75) ainsi qu'un réservoir à déchets (10) pour les déchets de fil, et en ce que de préférence les pièces de passage de fil (3, 4) sont mobiles perpendiculairement au triangle de changement des fils à prélever de manière qu'à l'arrivée des pièces de passage de fil (3, 4) dans leur trajet de fil associé (61, 62) il ne se produise aucun contact du fil avec d'autres fils.
10. Dispositif de changement de bobines selon la revendication 9, caractérisé en ce que les pièces de passage de fil (3, 4) et/ou les pièces de renvoi (6, 7) sont constituées par des rouleaux entraînés - de préférence par des turbines à air comprimé.
11. Dispositif de changement de bobines selon la revendication 10, caractérisé en ce que les rouleaux de passage de fil (3, 4) et/ou les rouleaux de renvoi (6, 7) reposent sur des supports (2 et/ou 5) qui sont constitués par des tubes et sont soumis à de l'air comprimé, et qui contiennent des ouvertures de passage pour l'entraînement des rouleaux par air comprimé (3, 4 et/ou 6, 7).
12. Dispositif de changement de bobines selon la revendication 11, caractérisé en ce que les supports (5) pour les pièces de renvoi (6, 7) comportent, sur leur face avant, des bords de poussée (25) par lesquels les fils sont repoussés quand les trajets des fils passent au-dessus des pièces de renvoi (6, 7).
EP80105818A 1979-09-29 1980-09-25 Dispositif de changement de bobines pour machines textiles Expired EP0026471B1 (fr)

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DE19792939675 DE2939675A1 (de) 1979-09-29 1979-09-29 Spulenwechseleinrichtung fuer textilmaschinen
DE2939675 1979-09-29

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EP0026471A1 EP0026471A1 (fr) 1981-04-08
EP0026471B1 true EP0026471B1 (fr) 1983-05-11

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US (1) US4340187A (fr)
EP (1) EP0026471B1 (fr)
JP (2) JPS5656470A (fr)
DE (2) DE2939675A1 (fr)

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DE102021114824A1 (de) 2021-06-09 2022-12-15 Saurer Technologies GmbH & Co. KG Transportfahrzeug für eine Textilfabrik

Also Published As

Publication number Publication date
DE2939675A1 (de) 1981-04-16
DE3063161D1 (en) 1983-06-16
JPS5656470A (en) 1981-05-18
JPS6356153B2 (fr) 1988-11-07
EP0026471A1 (fr) 1981-04-08
US4340187A (en) 1982-07-20
JPS5656472A (en) 1981-05-18

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