EP0067121B1 - Bobinoir double avec dispositif de transfert automatique - Google Patents

Bobinoir double avec dispositif de transfert automatique Download PDF

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Publication number
EP0067121B1
EP0067121B1 EP82810230A EP82810230A EP0067121B1 EP 0067121 B1 EP0067121 B1 EP 0067121B1 EP 82810230 A EP82810230 A EP 82810230A EP 82810230 A EP82810230 A EP 82810230A EP 0067121 B1 EP0067121 B1 EP 0067121B1
Authority
EP
European Patent Office
Prior art keywords
shaft
reel
auxiliary shaft
couplings
snagging
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
EP82810230A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0067121A1 (fr
Inventor
Louis Veyrassat
Marc Meisser
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.)
Maillefer SA
Original Assignee
Maillefer SA
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 Maillefer SA filed Critical Maillefer SA
Priority to AT82810230T priority Critical patent/ATE16270T1/de
Publication of EP0067121A1 publication Critical patent/EP0067121A1/fr
Application granted granted Critical
Publication of EP0067121B1 publication Critical patent/EP0067121B1/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
    • 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
    • B65H67/044—Continuous winding apparatus for winding on two or more winding heads in succession
    • B65H67/052—Continuous winding apparatus for winding on two or more winding heads in succession having two or more winding heads arranged in parallel to each other

Definitions

  • the subject of the present invention is, according to the preamble of claim 1, a double winder with automatic transfer device in which two hooking discs each mounted coaxially with a spool shaft are arranged so as to be able to effect a relative angular backward movement. relative to the spool shaft during the deposition of a winding, in order to form a reserve of wire with the initial strand of the winding.
  • the object of the present invention is to remedy these difficulties. For this, provision is made, according to the present invention, for a positive drive system for the hooking discs. It is thus possible to temporarily modify the drive ratio of the attachment disc which normally rotates in synchronism with the spool shaft.
  • the double winder according to the present invention is characterized in that it comprises transmission devices with variable transmission ratio between each shaft and the corresponding attachment disc as well as means of command for temporarily varying the ratio of the transmission device which is associated with the spool shaft during winding.
  • the drawing shows the means for driving a spool designated by 1.
  • the winder however includes similar driving means arranged parallel to those shown, in order to drive a second spool on which the thread coming from a line of production will be deposited while the equipment visible in the drawing is stopped to carry out the change from a full reel to an empty reel.
  • the coil 1 of which we see the barrel 1a, a cheek 1b and the hub 1c is supported and driven by a shaft 2 which rests on bearings 3.
  • the shaft 2 is equipped at its end facing the coil 1 with a pin 4 movable axially so as to be able to be introduced into the hub 1c. This pin is of normal construction and will not be described in detail here.
  • the shaft 2 carries a pulley 5 which allows, thanks to a belt 6 cooperating with an electric drive motor to rotate the shaft 2 and the coil 1 at the desired speed.
  • this motor Before any transfer operation involving the shaft 2, this motor is started and gradually accelerates the shaft 2 to a limit speed which is adjustable and corresponds to that of the shaft driving the parallel coil, so that the outer surface of the barrel 1a has a circumferential speed equal to the linear speed of the wire which is deposited on the other coil.
  • the automatic transfer mechanism that includes the double winder, includes in particular a hooking disc 7 on which is articulated a lever 8 carrying a jaw element 9 capable of cooperating with a jaw element 10 integral with the disc 7 in order to constitute a clamp wire hooking.
  • the disc 7 is mounted on a bearing 11.
  • it is linked by means of axial rods 12 distributed around its axis to a trough 13 also coaxial with the shaft 2 and whose outer part in the form of drum 13a surrounds the disc 7.
  • the chute 13 is itself integral with a pulley 14 and the assembly constituted by the pulley 14 and the chute 13 is mounted by means of two bearings 15 on a tubular piston 16.
  • This tubular piston 16 is itself carried by the base 17 of the machine which has a tubular extension 17a inside of which the bearings 3 are mounted and whose outer surface is machined so as to guide the piston 16.
  • the base 17 carries in addition a cylindrical member 18 which surrounds the left end of the piston 16 and forms the wall of a jack cylinder capable of being supplied with air under pressure by one or the other of two inlets 18a and 18b. It is understood that if pressurized air is injected through the inlet 18a, while the inlet 18b is connected to an air outlet, the piston 16 will move from left to right, carrying with it the bearings 15 and therefore the chute 13, as well as the pulley 14. The eyelets 13b of the chute 13 then slides on the rods 12. The reverse movement takes place when it is the inlet 18b which is connected to the source of pressurized air.
  • the base 17 carries an elongated bearing body 19 equipped at its two ends with rolling bearings (not shown) and in which an auxiliary shaft 20 freely rotates, parallel to the shaft 2.
  • the shaft 20 has a notched part on which is engaged a sliding sleeve 21.
  • a pulley 22 mounted on the sleeve 21 drives, by means of a belt 23, the pulley 14 and therefore the chute 13 which, as we have seen previously is integral with the pulley 14.
  • the sliding sleeve 21 is mounted at the right end of the shaft 20 and immediately carries, next to the pulley 22, a ball bearing 24 whose external raceway is integral with a ring 25 which is fixed in a fork-shaped casing 26.
  • a rigid upright 27 connects the casing 26 to the tubular piston 16, so that, when the jack (16, 18) is actuated as seen above, the sliding sleeve 21 is driven through the ring 25 and the r oulement 24.
  • the pulley 22 therefore moves with the groove 13 in the axial direction.
  • the shaft 20 extends rearward and carries two drive mechanisms which both connect it to the drive shaft 2.
  • Each of these drive mechanisms has a driving pulley 28 or 29 which is keyed onto the shaft 2, a belt 30 or 31, a driven pulley 32 or 33 mounted idly on the shaft 20 and a disengageable electromagnetic coupling 34 or 35.
  • the pulleys 32 or 33 rest on ball bearings mounted on the shaft 20.
  • the electromagnetic couplings 34 and 35 each comprise, in a manner known per se, a driven or internal part which is constituted by a tubular extension coaxial with the shaft 20 and integral with the pulley 32 or 33 to which the coupling is associated with.
  • This tubular extension cooperates with ferromagnetic elements which surround it and which can be excited by means of coils housed in the external part of the coupling.
  • the external parts of the two couplings are wedged directly on the shaft 20. They are provided with contact rings 34a, 34b or 35a, 35b which are connected (by means not shown) to an excitation circuit for putting the electro - magnets under tension.
  • the arrangement described also includes a brake disc 36 which is mounted on the shaft 2 and held in place by a nut 37 and a lock nut 38.
  • This brake disc cooperates with shoes 39 shown in phantom in the drawing, which allows you to quickly block the winder if necessary.
  • the diameters of the different pulleys of the three drive mechanisms described are chosen so that the following operating conditions are achieved:
  • the shaft 20 When one of the couplings, for example the coupling 34 is energized while the coupling 35 is de-energized, the shaft 20 is driven by the belt 30 and by the pulleys 28 and 32 at a speed such that the moving assembly 14, 13 and 7 rotates at exactly the same speed as the shaft 2. There is therefore perfect synchronism between the rotation of the clamp 9, 10 and the rotation of the coil 1.
  • the electromagnetic coupling 34 is triggered while the coupling 35 is engaged, then the pulley 29 drives the pulley 33 via the belt 31, so that the shaft 20 rotates at a speed slightly lower than the speed it has in the other case.
  • the moving element 14, 1.3, 7 is therefore slightly slowed down, so that the clamp (9, 10) which holds the end of the wire turns a little slower than the coil 1.
  • the slowing down of the hook-carrying disc 7 is accompanied by a displacement of the chute 13, so that the wire designated by 40 comes to lodge inside the drum 13a of the chute 13 under the effect of the centrifugal force.
  • the transmission device with variable transmission ratio described above can also be used in a double winder in which the means provided for forming the reserve of thread operate differently from what is shown in the drawing.
  • the hooking disc 7 could not include the fingers 41 and instead of the chute 13, an anti-cutting member could be provided extending between the hooking disc 7 and the coil.
  • the anti-cut-back member would perform a backward movement of amplitude greater than that of the latching disc so as to deploy the loop on a cylindrical surface coaxial with the coil, and keep it fixed throughout the winding.
  • this transmission device with variable transmission ratio can be constructed so as to be incorporated into a winder without the overall size thereof being increased to such an extent that this constitutes a drawback. for its operation.

Landscapes

  • Tension Adjustment In Filamentary Materials (AREA)
  • Winding Filamentary Materials (AREA)
  • Replacement Of Web Rolls (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
EP82810230A 1981-06-03 1982-05-27 Bobinoir double avec dispositif de transfert automatique Expired EP0067121B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82810230T ATE16270T1 (de) 1981-06-03 1982-05-27 Doppelspulmaschine mit automatischer uebertragung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3637/81 1981-06-03
CH363781 1981-06-03

Publications (2)

Publication Number Publication Date
EP0067121A1 EP0067121A1 (fr) 1982-12-15
EP0067121B1 true EP0067121B1 (fr) 1985-10-30

Family

ID=4260261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82810230A Expired EP0067121B1 (fr) 1981-06-03 1982-05-27 Bobinoir double avec dispositif de transfert automatique

Country Status (6)

Country Link
US (1) US4451008A (enrdf_load_stackoverflow)
EP (1) EP0067121B1 (enrdf_load_stackoverflow)
JP (1) JPS57199760A (enrdf_load_stackoverflow)
AT (1) ATE16270T1 (enrdf_load_stackoverflow)
DE (1) DE3267128D1 (enrdf_load_stackoverflow)
SU (1) SU1369672A3 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4643368A (en) * 1983-09-06 1987-02-17 Syncro Machine Co. Continuous spooler for and method of winding reels with selected length long ends
GB8802720D0 (en) * 1988-02-06 1988-03-09 Shaw Francis & Co Ltd Reeling apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH621314A5 (enrdf_load_stackoverflow) * 1978-05-16 1981-01-30 Maillefer Sa
FI63381C (fi) * 1979-11-12 1983-06-10 Nokia Oy Ab Anordning foer utformning av en laong begynnelsetraodaenda vidspolandet av traod pao spole
US4438886A (en) * 1980-04-11 1984-03-27 Maillefer S.A. Double wire-winding machine with automatic transfer

Also Published As

Publication number Publication date
EP0067121A1 (fr) 1982-12-15
DE3267128D1 (en) 1985-12-05
SU1369672A3 (ru) 1988-01-23
JPS6411544B2 (enrdf_load_stackoverflow) 1989-02-27
ATE16270T1 (de) 1985-11-15
JPS57199760A (en) 1982-12-07
US4451008A (en) 1984-05-29

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