EP0374405A1 - Dispositif d'alimentation en fil pour bobinoir automatique - Google Patents

Dispositif d'alimentation en fil pour bobinoir automatique Download PDF

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Publication number
EP0374405A1
EP0374405A1 EP89119095A EP89119095A EP0374405A1 EP 0374405 A1 EP0374405 A1 EP 0374405A1 EP 89119095 A EP89119095 A EP 89119095A EP 89119095 A EP89119095 A EP 89119095A EP 0374405 A1 EP0374405 A1 EP 0374405A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
cop
thread
bobbin
yarn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89119095A
Other languages
German (de)
English (en)
Other versions
EP0374405B1 (fr
Inventor
Hans Grecksch
Dietmar Engelhardt
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 Textile GmbH and Co KG
Original Assignee
W Schlafhorst AG and Co
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 W Schlafhorst AG and Co filed Critical W Schlafhorst AG and Co
Publication of EP0374405A1 publication Critical patent/EP0374405A1/fr
Application granted granted Critical
Publication of EP0374405B1 publication Critical patent/EP0374405B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/22—Guides for filamentary materials; Supports therefor adapted to prevent excessive ballooning of material
    • 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
    • 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
    • B65H67/08—Automatic end-finding and material-interconnecting arrangements
    • B65H67/081—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
    • B65H67/083—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement handling the yarn-end of the new supply 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
    • 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 yarn delivery unit of an automatic winder, comprising an unwinding auxiliary device for a cop standing on a single head carrier and an automatic cop changing device for the individual head carriers which are each transportable.
  • Copes are wound into cross-wound bobbins in automatic winding machines.
  • a safe and quick change of cops is an advantage.
  • Known cop changing devices do not work effectively enough.
  • the invention has for its object to make the operation of the automatic winder more effective and in particular to ensure a quick and safe cop change.
  • the winding unit of an automatic winder 1 shown in FIG. 1 is divided into a winding unit 2 and a yarn delivery unit 3.
  • the yarn delivery unit 3 is designed as a transportable structural unit which can be placed under the winding unit 2 of the winding unit of the automatic winder 1 and has its own machine frame 5.
  • the pivot shaft 6 of a coil frame 7 is mounted, the sleeve receiving head 8 carries the sleeve of a cheese 9.
  • the cheese 9 lies on one Thread guide drum 10. It is driven by the thread guide drum 10 by friction in the direction of arrow 11.
  • the thread guide drum 10 is provided with reversing thread grooves for guiding the yarn 12 running onto the cheese 9 as a package.
  • the bobbin frame 7 can be lifted by means of a handle 13 and the bobbin 9 can thereby be lifted off the thread guide drum 10.
  • the yarn 12 is fed to the thread guide drum 10 through a thread eyelet 16. Between thread eyelet 16 and thread guide drum 10, the yarn 12 forms a traversing triangle 12 '.
  • the yarn 12 passes through a thread tensioner 17, a cleaner 18 and a paraffinizing device 19 before it reaches the thread eyelet 16. If the thread breaks, the yarn can be sucked into a catch nozzle 20.
  • the catching nozzle 20 is connected to a suction channel 21.
  • a splicing device 22 is arranged on the side of the thread or thread path between the thread tensioner 17 and the cleaner 18. This splicing device 22 operates automatically in a manner which is not explained in more detail here.
  • the thread to be run is usually still present as a lower thread below the thread tensioner 17. It is picked up there for the purpose of splicing by a bobbin thread element pivotable about the pivot point 23 in the form of a suction pipe 24, the suction mouth 25 of which along the circular arc 26 to can be pivoted below the thread tensioner 17 and back into the illustrated starting position.
  • the upper thread After breaking the thread, the upper thread usually runs onto the package 9. There it is sought and sucked in through the suction nozzle 27 of a suction pipe 29 which can be pivoted about the pivot point 28. When the suction pipe 29 is pivoted downward, the suction nozzle 27 with the sucked-in upper thread moves along the circular arc 30. The thread that is taken along thereby threads into the sweeping thread groove of the thread guide drum 10, into the thread eyelet 16, into the paraffinizing device 19 and into the measuring slot of the cleaner 18 a. It is also gripped by gripping means of the splicing device 22 (not shown here) and inserted into the splicing chamber of the splicing device 22 in addition to the lower thread held by the suction opening 25 of the suction pipe 24.
  • the splicing device 22 releases the thread and at a high winding speed, which is to be aimed for, a bobbin to be unwound very quickly runs empty.
  • a bobbin to be unwound very quickly runs empty.
  • Each cop change takes a certain amount of time, and the present invention now ensures that not only the winding, but also the cop change is faster than in the current state of the art.
  • the yarn delivery unit 3 consists of an unwinding aid 31 and an automatic bobbin changing device 32 for bobbins 35, 36, 37 provided with rear windings 33, 34.
  • the bobbins are on individual bobbins 38, 39, 40.
  • Fig. 5 shows further details of the single head carrier 38. It consists of a disc-like foot part 42, a single-stage or multi-stage structure 43, 44 and a plug-on mandrel 45 for the sleeve of a cop. At least the foot part 42 has the shape of a circular disk or a circular ring. The arbor 45 is located concentrically above the foot part 42.
  • the foot part 42 should be solid and have air passage openings 46 to 49.
  • the unwinding device 31 has a longitudinally divided sleeve 50, which encloses the cop 35 to be unwound, which is provided with blow nozzles 51, 52, 53 which are directed tangentially and at the same time at an angle.
  • the flexible nozzles 51, 52, 53 are connected to a controllable valve 57 by flexible lines 54, 55, 56, which valve is connected to a compressed air source 58 via a plug connection.
  • the compressed air source 58 is connected to the machine frame 4 of the winding unit 2.
  • the lower thread take-up element consists of the already mentioned suction mouth 25 of the suction tube 24, which, as already mentioned, is for thread take-up at the lower end of the circular arc 26 at the point 25 '.
  • the cuff 50 is divided longitudinally and consists of the cuff parts 50a and 50b. At its foot end, the cuff 50 is provided with widenings enclosing the individual head carrier 38 of the head 35 to be unwound.
  • the widening of the cuff part 50a is denoted by 50a 'and the widening of the cuff part 50b by 50b'.
  • the cuff 50 is divided into two equally large parts by dividing joints.
  • the dividing joints are such that when the sleeve parts 50a, 50b are placed against one another there is a pipe from a fluidic point of view, through the lateral joints of which no transverse flows of harmful size can pass.
  • the division joints are below an angle of 45 degrees to the direction of movement 61 of a support surface of the cop changing device 32, which will be explained in more detail later.
  • each of the two cuff parts of the cuff 50 is provided with a cuff holder 62 and 63, respectively.
  • the cuff holder 62 is provided with a control device 64, the cuff holder 63 with a control device 65.
  • the control devices 64, 65 are connected to the machine frame 5 of the yarn delivery unit 3 by traverses 66, 67.
  • control devices 64, 65 are designed as pneumatic control pistons, the piston rods of which form the sleeve holders 62, 63.
  • Other control devices which will be discussed later, are also possible.
  • the two control devices 64 and 65 already belong to the cop changing device 32, which will be discussed in more detail below. It has a support surface 70 which constantly moves from a cop delivery point 68 under the sleeve 50 to a sleeve dispensing point 69 for head carriers 39, 40 which are guided along this support surface and can be lined up, for example, through side walls of the machine frame 5.
  • the cop change device 32 has the two on a cop change signal of Automatic winder 1 responsive control devices 64, 65 for the two cuff holders 62, 63.
  • the support surface 70 here has the shape of an endless conveyor belt which is guided over rollers 71, 72 and runs continuously. For this purpose, the roller 71 has a drive device, not shown here.
  • Fig. 1 shows that the winding unit 2 has a central control device 73. From this central control device 73, operative connections 74 lead to the Control devices 64 and 65. These operative connections consist, for example, of flexible, pneumatic lines which are easily detachably connected to the central control device 73 by plug connections. From the central control device 73 there is, inter alia, an active connection 75 to the cleaner 18. Another active connection 76 leads from the central control device 73 to a sensor 77 which continuously monitors whether or not there is a thread below the thread tensioner 17.
  • the two control devices 64 and 65 react to a cop change signal of the automatic winder 1, which the central control device 73 determines from the signals of the cleaner 18 and the sensor 87.
  • the bobbin change signal is triggered as soon as both the cleaner 18 and the sensor 22 have reported the absence of a thread to the central control device 73, after which an attempt has been made to find the end of the lower thread after all by briefly actuating or switching on the valve 57, and if then the thread or thread absence signals are still present. This is a sign that instead of the cop 35 there is only the sleeve in the cuff 50, on which there might be a yarn residue that initially could not run.
  • the front compressed air connection of the pneumatic servomotor 64 is pressurized with compressed air, whereby the sleeve holder 62 is withdrawn and with it the sleeve part 50a is removed from the sleeve part 50b.
  • the rear compressed air connection of the pneumatic servomotor 64 is supplied with compressed air acts, whereby the cuff 50 closes again.
  • the front compressed air connection of the other pneumatic servomotor 65 is pressurized with compressed air, so that the cuff holder 63 with the cuff part 50b is withdrawn, against the widening 50b 'of which the further individual head carriers 39 and 40 with attached heads 36 and 37 are present from the outside. Due to the retraction movement of the widening 50b ', these two single head carriers 39 and 40 are first pushed back against the direction of movement 61 of the support surface 70, but then the path into the interior of the sleeve 50 is clear, so that in a short time the single head carrier 39 takes the place that previously had the single head carrier 38.
  • the cuff 50 then closes by pressurizing the rear compressed air connection of the pneumatic servomotor 65 with compressed air.
  • the edge of the widening 50b ' pushes between the two single head carriers 39 and 40, whereby the single head carrier 40 is pushed back, which then bears against the edge of the widening 50b'.
  • a program switching mechanism contained in the central control device 73 which can work, for example, electronically or also mechanically with cam disks, now switches on the valve 57, as a result of which a helical blown air flow arises in the sleeve 50, which is directed against the point 25 ', at which the Suction port 25 of the suction pipe 24 is located.
  • the helically upward air flow detects the rear turn 33 of the cop 36 now standing in the sleeve 50 and carries it upwards out of the sleeve 50 into the suction area of the suction mouth 25.
  • valve 57 closes again. The production of the thread connection and the resumption of the winding process has already been explained above.
  • the cop delivery point 68 which can be designed, for example, as a conveyor belt.
  • the sleeve delivery point 69 can also be designed as a conveyor belt, as shown in FIG. 1.
  • head carrier 41 equipped with an empty sleeve 78, which is transported on to a head delivery point (not shown) for refitting.
  • the sleeve delivery point 69 designed as a sleeve removal belt runs in the direction of the arrows.
  • the single head carrier 41 moves with the attached sleeve 78 straight in the direction of the arrow 91, while the lower run 90 runs back in the direction of the arrow 92.
  • Fig. 3 allows a view into the interior of the cuff 50 just before the time at which the air flow begins. It is believed that the cops 35 and 36 are from a ring spinning machine. The rear windings 33 were already at the end of Spinning around the cop windings in the ring spinning machine. Of course, it is also possible to apply such windings later in a special device.
  • Fig. 3 shows that the individual head carriers are not guided at the level of their foot parts, but at the level of their superstructures by side guide plates 97 to 99. Such guidance prevents the individual head carriers from tipping over during transport.
  • Fig. 4 indicates an alternative embodiment of the conveyor belts on the cop changing devices 32, 32 '.
  • Simple circles indicate where the single head carriers 100 to 109 should be.
  • the individual head carriers 101, 102 and 103 carrying support surfaces are divided into two spaced, parallel running support surfaces in the form of endless conveyor belts 110 and 111.
  • Corresponding conveyor belts 112 and 113 are located on the cop changing device 32.
  • Each conveyor belt runs over two rollers, in total FIG. 4 shows the rollers 114 to 121.
  • the unwinding devices of the relevant winding units are located, but are not discussed here.
  • the sleeve removal belt 69 which also serves as the sleeve dispensing point here, is shown again in a side view in FIG. 2. It runs over end rollers 124 and 125 in the direction of arrow 91.
  • the end roller 124 has its own drive, which is constantly switched on.
  • support plates 127 to 131 are arranged below the upper run of the conveyor belt.
  • the lower run 90 affects the tension rollers 85 to 89 alternately from below and from above, so that in the arrangement selected according to FIG Conveyor belts 110 to 113 run in the direction of the arrows shown, that is, in the direction of the sleeve conveyor belt 69.
  • cover plates 132 to 135, which are intended to guide the individual head carriers, can also cover the angular gears.
  • Fig. 4 indicates that the cop delivery point 68 is designed as a conveyor belt running in the direction of arrow 136.
  • the side guides 132 to 135 of the conveyor belt 68 are arranged such that a single head carrier inevitably gets into the conveying area of a conveyor belt running transversely to the conveyor belt 68 of one of the cop changing devices 32, 32 'if this cop changing device just needs cops, that is, if they are in is able to accommodate a single head carrier with attached cops. 4, this is not the case with the cop changing devices 32 and 32 '.
  • Each of the two cop changing devices is equipped with three cops, one of which is currently being processed.
  • bulges 137 and 138 are present in the cover plate 132, so that individual head carriers with attached cops, for example the individual head carriers 107 to 109, are brought up on the conveyor belt 68, around the last, in the cop changing devices 32 and 32' Individual head carriers 106, 103 can continue to travel around in the direction of transport 136 in order to find a receptable cop changer during the course of their migration, even if they are in a cop changer Single head carriers have to retreat somewhat during the head change process.
  • blowing nozzles 51, 52 and 53 there are a total of three blowing nozzles 51, 52 and 53 on the cuff 50. However, there may also be more than three blow nozzles.
  • a twine loop release device 149 is arranged above the sleeve 50. It has the task, especially in the case of weak yarn tension, to loops and loops which occur before they get into the thread tensioner and possibly cause a thread break there or before they get into the cleaner 18 and there in any case cause a cleaner cut and thus an interruption of the winding.
  • the twine loop release device 149 which consists, for example, of a rod, is provided with a control device 150 which enables it to be switched on and off.
  • the unwinding device can also have a controllable sleeve locking device which holds the base of the cop during the unwinding, which is not shown here.
  • FIG. 3 shows, for example, a partial section of the unwinding aid device 31 with the sleeve parts 50a and 50b shown in longitudinal section.
  • the widening 50a 'of the cuff part 50a overlaps and encompasses the individual head carrier 38.
  • the widening 50b' of the cuff part 50b encompasses and encompasses the individual head carrier 38.
  • the individual head carrier 38 lies on the two conveyor belts 112, 113 shown in FIG. 4, both in same direction, namely in the direction of arrows 167 and 168 in motion and thereby rest on a support plate, not shown here, which leaves a larger recess under the sleeve 50 for the central contact of the lifting device 222 with the underside of the single head support 38.
  • the single head carrier 38 carries the head 35.
  • control devices and drive devices of the switchable parts have operative connections to the central control device 73 so that they can be coordinated in terms of control there.
  • These are, for example, the above-mentioned active connections 74 to the control devices 64, 65 of the sleeve 50, the active connections 219 and 220 to the control device 150 of the twine loop release device 149, the active connection 221 to a switchable single-head carrier lifter 222 which is shown in particular in Fig. 3 and whose function will be explained later.
  • the switchable single head carrier lifter 222 is arranged below the sleeve 50 or 500 and below the transport plane 223 of the support surface 70 or below the support surfaces 112, 113. It consists of a pneumatic cylinder, the piston rod 224 of which carries a tappet 225.
  • the plunger 225 is located in the longitudinal axis 183 of the sleeve 50, so that the foot part 42 of the single head carrier 38 is raised approximately centrally when the plunger 225 is lifted after actuation of the single head carrier lifter 222.
  • the entire arrangement tilts such that, for example, the cop 35 shown in FIG. 3 leans against the wall of the sleeve 50.
  • the time at which the single-head carrier lifter 222 is switched off and the time at which the control device 150 of the twine loop release device 149 is switched on is set to the time at which the controllable valve 57 of the blow nozzles 51, 52, 53 of the sleeve 50 is switched off. This ensures that the single head carrier remains raised only as long as the blown air is still flowing.
  • the sleeve base can be locked so that the sleeve remains stationary in the longitudinal axis 183 of the sleeve 50 during the subsequent unwinding of the cop.
  • the twine loop release device 149 goes into operation and the cuff 50 is no longer flowed through by a forced air flow.
  • a height-adjustable trigger accelerator can be arranged in the upper section of the sleeve 50 above the sleeve tip of the cop.
  • the yarn delivery unit can be designed as a transportable unit 3 which can be placed under the winding unit 2 of the winding unit. It would be conceivable that all of the yarn delivery units of all the winding units also form a common structural unit, which could also include the feed and removal belts, thereby forming a yarn delivery and transport unit that is also transportable.
  • the device according to the invention works as follows:
  • the yarn delivery unit can accommodate a total of four individual head carriers with the heads resting thereon. Since there are only three here, one space is still free.
  • each yarn delivery unit can only accommodate three individual head carriers. One of them is in the cuff 50 closed during thread searching and winding.
  • the central control device 73 As soon as a bobbin is wound empty and the thread end has first passed the sensor 77 and then the cleaner 18, the central control device 73 generates a bobbin change signal, whereupon initially automatically in the manner described above one or more times in succession an attempt is made to blow the end of the lower thread out of the sleeve 50. If these attempts fail, the cuff part 50a is opened in order to release the single-head carrier provided with the empty sleeve, which now moves on to the head conveyor belt 69. Then the cuff part 50a is brought back into the starting position and instead the other cuff part 50b is folded down in order to let the next individual head carrier in the yarn delivery unit 3 with the cop resting thereon into the cuff 50.
  • the cuff part 50b is folded back again and placed against the cuff part 50a.
  • the twine loop release device 149 is still inoperative.
  • the suction port 25 is brought to the point 25 ', after the valve 57 has been switched on, to suck in the rear winding, which is then released pneumatically from the surface of the cop, whereupon a splicing connection is produced on the winding unit 2, that is to say the upper thread retrieved from the package 9 is connected to the bobbin thread from the bobbin by a splice connection.
  • the blowing process takes only a short time, after which the loop of thread loosening device 149 comes into operation before the actual winding process begins.
  • the valve 57 remains closed during the unwinding of the cop. However, if a thread break occurs and both the sensor 77 and the cleaner 18 determine the absence of the thread, the valve 57 is first switched on briefly, because there is a possibility that the cop still contains a quantity of yarn that is worth processing. If the end of the yarn can be blown off pneumatically, it is detached from the surface of the bobbin and raised pneumatically, after which the work steps described above take place one after the other.
  • valve 57 can initially be switched on briefly, and if no thread end is then raised, this can also be an indication of an empty cop.
  • the central control device 73 Regardless of whether the bobbin has run empty or whether the broken thread end is simply not able to be picked up again, the central control device 73 then generates a bobbin change signal, whereupon the activities described above take place and the bobbin unit 2 is offered a new bobbin thread in the shortest possible time.
  • plunger 225 is spherical on its top.
  • Such a spherically shaped or generally convex plunger facilitates the tilting of the individual head carrier and the wobbling or rolling of the cop during the blowing process when it is lifted.
  • each cuff part can either be moved in a straight line or has its own pivot axis.
  • both cuff parts can be pivoted individually, but have a common pivot axis.
  • the alternative sleeve 500 according to FIG. 5 has no widenings at its lower end.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
EP89119095A 1988-12-23 1989-10-13 Dispositif d'alimentation en fil pour bobinoir automatique Expired - Lifetime EP0374405B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3843553 1988-12-23
DE3843553A DE3843553A1 (de) 1988-12-23 1988-12-23 Garnlieferaggregat eines spulautomaten

Publications (2)

Publication Number Publication Date
EP0374405A1 true EP0374405A1 (fr) 1990-06-27
EP0374405B1 EP0374405B1 (fr) 1992-12-23

Family

ID=6370056

Family Applications (4)

Application Number Title Priority Date Filing Date
EP89119096A Expired - Lifetime EP0374406B1 (fr) 1988-12-23 1989-10-13 Dispositif d'alimentation en fil pour bobinoir automatique
EP89119093A Expired - Lifetime EP0374404B1 (fr) 1988-12-23 1989-10-13 Dispositif d'alimentation en fil pour bobinoir automatique
EP89119095A Expired - Lifetime EP0374405B1 (fr) 1988-12-23 1989-10-13 Dispositif d'alimentation en fil pour bobinoir automatique
EP89119092A Expired - Lifetime EP0374403B1 (fr) 1988-12-23 1989-10-13 Dispositif pour saisir pneumatiquement et dévider à la défilée le bout de fil d'une canette

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP89119096A Expired - Lifetime EP0374406B1 (fr) 1988-12-23 1989-10-13 Dispositif d'alimentation en fil pour bobinoir automatique
EP89119093A Expired - Lifetime EP0374404B1 (fr) 1988-12-23 1989-10-13 Dispositif d'alimentation en fil pour bobinoir automatique

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP89119092A Expired - Lifetime EP0374403B1 (fr) 1988-12-23 1989-10-13 Dispositif pour saisir pneumatiquement et dévider à la défilée le bout de fil d'une canette

Country Status (5)

Country Link
US (4) US5024389A (fr)
EP (4) EP0374406B1 (fr)
JP (4) JPH02193875A (fr)
DE (5) DE3843553A1 (fr)
ES (3) ES2037933T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112374272A (zh) * 2020-11-25 2021-02-19 杭州灵杰花边线带有限公司 一种半自动络丝机

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DE4131482A1 (de) * 1991-09-21 1993-03-25 Schlafhorst & Co W Blaskammer fuer einen auf einem einzelkopstraeger in der abspulstellung einer spulstelle eines spulautomaten stehenden kops
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US5543154A (en) * 1991-12-27 1996-08-06 Merck & Co., Inc. Controlled release nifedipine delivery device
JP2581893Y2 (ja) * 1992-01-30 1998-09-24 村田機械株式会社 巻取ユニットの管糸切換装置
US5374000A (en) * 1992-01-30 1994-12-20 Murata Kikai Kabushiki Kaisha Cop changing mechanism for a winding unit
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DE4229782A1 (de) * 1992-09-05 1994-03-10 Schlafhorst & Co W Garnlieferaggregat eines Spulautomaten mit einer längsgeteilten Blaskammer
DE4233819C2 (de) * 1992-10-08 2003-05-08 Schlafhorst & Co W Verfahren zum Betreiben einer automatischen Spulmaschine bei Partiewechsel
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JP5471923B2 (ja) * 2010-07-15 2014-04-16 村田機械株式会社 糸巻取装置
JP5471924B2 (ja) * 2010-07-15 2014-04-16 村田機械株式会社 糸巻取装置
DE102010049435A1 (de) 2010-10-23 2012-04-26 Oerlikon Textile Gmbh & Co. Kg Arbeitsstelle einer Spulmaschine
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JP2017081654A (ja) * 2015-10-22 2017-05-18 村田機械株式会社 糸巻取装置
CN109516306B (zh) * 2018-10-22 2020-06-05 武汉纺织大学 一种细纱管表面残纱退绕装置及其控制方法
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JP2779023B2 (ja) 1998-07-23
DE58904729D1 (de) 1993-07-22
EP0374403B1 (fr) 1992-10-07
ES2041937T3 (es) 1993-12-01
EP0374404B1 (fr) 1993-06-16
DE58903117D1 (de) 1993-02-04
EP0374406A1 (fr) 1990-06-27
ES2035495T3 (es) 1993-04-16
EP0374403A1 (fr) 1990-06-27
EP0374405B1 (fr) 1992-12-23
US5035371A (en) 1991-07-30
JPH02215661A (ja) 1990-08-28
EP0374404A1 (fr) 1990-06-27
JPH02193875A (ja) 1990-07-31
US5044572A (en) 1991-09-03
DE58904728D1 (de) 1993-07-22
DE3843553A1 (de) 1990-07-05
JPH02193874A (ja) 1990-07-31
US5056726A (en) 1991-10-15
US5024389A (en) 1991-06-18
EP0374406B1 (fr) 1993-06-16
DE58902420D1 (de) 1992-11-12
JPH02215660A (ja) 1990-08-28
ES2037933T3 (es) 1993-07-01

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