EP1765707A1 - Procede et dispositif pour reduire le frottement par adherence entre un devidoir et une bobine - Google Patents

Procede et dispositif pour reduire le frottement par adherence entre un devidoir et une bobine

Info

Publication number
EP1765707A1
EP1765707A1 EP05752615A EP05752615A EP1765707A1 EP 1765707 A1 EP1765707 A1 EP 1765707A1 EP 05752615 A EP05752615 A EP 05752615A EP 05752615 A EP05752615 A EP 05752615A EP 1765707 A1 EP1765707 A1 EP 1765707A1
Authority
EP
European Patent Office
Prior art keywords
self
locking effect
vibrator
reel
spreading
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
EP05752615A
Other languages
German (de)
English (en)
Other versions
EP1765707B1 (fr
Inventor
Uwe Plociennik
Klaus Küppers
Meinert Meyer
Georg Rebel
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.)
SMS Siemag AG
Original Assignee
SMS Demag 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 SMS Demag AG filed Critical SMS Demag AG
Publication of EP1765707A1 publication Critical patent/EP1765707A1/fr
Application granted granted Critical
Publication of EP1765707B1 publication Critical patent/EP1765707B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/24—Constructional details adjustable in configuration, e.g. expansible

Definitions

  • the prior art shows examples of solving the self-locking effect of expansion elements by inducing vibrations.
  • the foreign document DE 21 63 976 A1 shows a method for reducing the friction between a thread and thread guide parts of textile machines.
  • the thread has been tangentially wound onto a drum and withdrawn axially from the drum by a brake ring, which consists of a drum surrounding the drum at a distance base ring and extending from this to Spei ⁇ drum surface elastically, individually distributed over the base ring circumference with intermediate intervals Fingers which extend inwardly from the base ring along an imaginary conical surface and, in the sense of the relative circulation of the thread around the drum, are arranged so as to overlap one another in the circumferential direction and are aligned with their free ends. ner shoulder of the drum are supported, so that vibrations are generated in the thread when sliding over the fingers.
  • the document JP 60244764 A discloses a device for inserting and holding an empty bobbin between a carrier and a handle.
  • the handle of the carrier is pushed down by a drive to bring the empty spool into contact with a friction roller.
  • a vibration generated in this case is determined by a vibration detector, the detector being arranged on the carrier arm.
  • the vibration detector is connected to a vibration-shape comparator in order to compare the amplitude at time A and B with a predetermined reference amplitude. In this way, it can be determined whether or not the empty spool is fixedly installed on the support arm.
  • the document DE 2 223 195 A1 describes a method and a device for the non-thermal release of mechanical connections.
  • one of the connected parts is subjected to mechanical vibrations in the frequency range of the ultrasound until the connection is released.
  • It is a Traumspann ⁇ device for clamping at least one of a plate to be solved element provided.
  • the jig is firmly seated on a cone-shaped mandrel whose other end for vibration transmission is fixedly connected to an amplitude-controllable mechanical transmitter operating in the frequency range of the ultrasound.
  • the object of the invention is to provide a method and a device which are suitable for relieving the reel mandrel, which is hydraulically tensioned by internal wedge surfaces, during reeling of cold rolled strip to such an extent that the clamping segments return to the initial position slip back and thus loosen or cancel the Dishemmungsef ⁇ effect and virtually trouble-free removal of the coils from the mandrel under comparatively straightforward and inexpensive means er ⁇ possible.
  • the method according to the invention provides that the self-locking effect of the expansion elements is at least partially or completely canceled by applying longitudinal vibrations acting in the axial direction.
  • the device according to the invention provides that a vibrator is attached to the end face of the hutch mandrel.
  • the vibrator is supplied via a rotary feeder or a quick-closing coupling to the excitation compressed air.
  • a pneumatic turbine vibrator or a pneumatic impact vibrator can be used as vibrators.
  • FIG. 1 shows in the diagram the course of friction forces with and without vibration, the progression of weight forces as a function of the tensile forces, and the course of vibration forces in relation to the adhesive or sliding forces that occur therewith.
  • FIG. 2 shows a coiler mandrel in the section of a median plane with the vibrator placed on the end.
  • 3 shows in section a rotary feeder for compressed air for driving the vibrator V which is mounted in the longitudinal direction.
  • the curve A static friction
  • the traction only increases by 30 N.
  • FIG. 2 shows a coiler mandrel 1 in the half-open state. It shows on each side a number of four wedge surfaces S in the present case, which cause a self-locking effect when the dome moves axially.
  • a vibrator V is mounted on the front side 2 of the coiler mandrel 1.
  • a pneumatic impact vibrator 1 is preferably ver ⁇ used. Whose vibration sets the friction between the wedge surfaces S of the spreading so far down that the coiler mandrel 1 is released from the wrap of the coiled band and the spreading collapse irrespective of their lubrication state and release the coil.
  • the vibrator V shown in section in Figure 3 has a housing 1 'with a terminal flange 9, with which it is fixedly connected to the reel shaft 4 of the reel mandrel 1 by means of a screw connection.
  • it is a pneumatic impact vibrator for generating longitudinal impact pulses. Its function is similar to that of a so-called compressed air hammer, whereby a tool loosely guided in the housing, such as a hammer, is rocked back and forth by exposure to air.
  • the vibrator comprises a flying piston 2 with intersecting edges for interaction.
  • the interior of the vibrator 1 is closed with the lid 3. At this there is a valve assembly 5, 6, 7, which can be opened or closed in order to initiate the impact work of the impactor 2.
  • Compressed air flows from the supply channel 8 through the body of the vibrator 1 and escapes after excitement of the impactor 2, as indicated in the drawing, through an opening of the valve 6 in the free atmosphere.
  • the inventive method and the corresponding device solve in an ideal way the task.

Landscapes

  • Winding, Rewinding, Material Storage Devices (AREA)
  • Winding Of Webs (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Winding Filamentary Materials (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Magnetic Treatment Devices (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Replacement Of Web Rolls (AREA)
EP05752615A 2004-07-15 2005-06-21 Procede et dispositif pour reduire le frottement par adherence entre un devidoir et une bobine Not-in-force EP1765707B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004034091A DE102004034091A1 (de) 2004-07-15 2004-07-15 Verfahren und Vorrichtung zur Reduzierung der Haftreibung zwischen Haspel und Coil
PCT/EP2005/006674 WO2006007920A1 (fr) 2004-07-15 2005-06-21 Procede et dispositif pour reduire le frottement par adherence entre un devidoir et une bobine

Publications (2)

Publication Number Publication Date
EP1765707A1 true EP1765707A1 (fr) 2007-03-28
EP1765707B1 EP1765707B1 (fr) 2008-03-12

Family

ID=34970716

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05752615A Not-in-force EP1765707B1 (fr) 2004-07-15 2005-06-21 Procede et dispositif pour reduire le frottement par adherence entre un devidoir et une bobine

Country Status (8)

Country Link
US (1) US7770838B2 (fr)
EP (1) EP1765707B1 (fr)
JP (1) JP2008505824A (fr)
CN (1) CN1984830B (fr)
AT (1) ATE388921T1 (fr)
DE (2) DE102004034091A1 (fr)
RU (1) RU2323869C1 (fr)
WO (1) WO2006007920A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10974925B2 (en) * 2018-12-14 2021-04-13 Transact Technologies Incorporated Spindle assembly for a printer for accommodating paper rolls of different sizes

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA957908A (en) 1971-06-29 1974-11-19 Kishen N. Kapur Ultrasonic desoldering and debonding apparatus
BE790528A (fr) * 1971-12-15 1973-02-15 Findeva A G Vibrateur a air comprime
DE2163976A1 (de) 1971-12-22 1973-07-05 Rosen Karl I J Verfahren zum verringern der reibung zwischen einem faden und fadenfuehrungsteilen von textilmaschinen
JPS5433854A (en) * 1977-08-23 1979-03-12 Ishikawajima Harima Heavy Ind Co Ltd Vibration type chock inserting and removing device
CH659456A5 (de) * 1980-10-16 1987-01-30 Barmag Barmer Maschf Spannfutter in spulmaschinen.
US4469288A (en) 1983-02-28 1984-09-04 Double E Company Inc. Expansible shaft with actuator retaining member and spherical bearing surface
US4433814A (en) * 1983-04-14 1984-02-28 Double E Company Inc. Core-engager retainer for an expansible shaft
CH659198A5 (de) * 1983-04-20 1987-01-15 Findeva Ag Druckluft-vibrator mit turbinenantrieb.
JPH0213413Y2 (fr) * 1985-09-02 1990-04-13
US4693431A (en) * 1985-12-31 1987-09-15 Hiroshi Kataoka Winding shaft for sheet rewinder
JPH01143719A (ja) * 1987-11-30 1989-06-06 Hitachi Ltd 帯鋼コイルの巻取り，巻出し機
US4911376A (en) * 1988-09-14 1990-03-27 Thompson Johnnie W Expandable shaft
JP2641825B2 (ja) * 1992-05-18 1997-08-20 川崎製鉄株式会社 テンションリール拡縮不能防止方法
JPH0874869A (ja) * 1994-09-05 1996-03-19 Ntn Corp 軸受装置
JP3452694B2 (ja) * 1995-06-20 2003-09-29 新日本製鐵株式会社 ベアリング着脱装置
DE19621171A1 (de) * 1996-05-24 1997-11-27 Schloemann Siemag Ag Direkt angetriebener Haspel
JPH1142527A (ja) * 1997-07-30 1999-02-16 Toshiba Mach Co Ltd 自動工具交換装置付き工作機械における主軸よりの工具離脱方法および工作機械
JP2002003025A (ja) * 2000-06-15 2002-01-09 Fuji Iron Works Co Ltd 調芯性巻芯シャフト
CN2561752Y (zh) * 2002-07-12 2003-07-23 安维凯 膨胀轴

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006007920A1 *

Also Published As

Publication number Publication date
DE502005003220D1 (de) 2008-04-24
EP1765707B1 (fr) 2008-03-12
CN1984830A (zh) 2007-06-20
JP2008505824A (ja) 2008-02-28
US7770838B2 (en) 2010-08-10
RU2323869C1 (ru) 2008-05-10
WO2006007920A1 (fr) 2006-01-26
CN1984830B (zh) 2010-05-05
ATE388921T1 (de) 2008-03-15
US20080258000A1 (en) 2008-10-23
DE102004034091A1 (de) 2006-02-02

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