EP0061572A1 - Dispositif d'enroulement de bandes de papier et de textiles - Google Patents

Dispositif d'enroulement de bandes de papier et de textiles Download PDF

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Publication number
EP0061572A1
EP0061572A1 EP82100977A EP82100977A EP0061572A1 EP 0061572 A1 EP0061572 A1 EP 0061572A1 EP 82100977 A EP82100977 A EP 82100977A EP 82100977 A EP82100977 A EP 82100977A EP 0061572 A1 EP0061572 A1 EP 0061572A1
Authority
EP
European Patent Office
Prior art keywords
winding
belt
winding shaft
axis
lever
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
EP82100977A
Other languages
German (de)
English (en)
Other versions
EP0061572B1 (fr
Inventor
Wilhelm Nünnerich
Peter Schmidt
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.)
Siemens Nixdorf Informationssysteme GmbH
Original Assignee
Wincor Nixdorf International GmbH
Nixdorf Computer 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 Wincor Nixdorf International GmbH, Nixdorf Computer AG filed Critical Wincor Nixdorf International GmbH
Priority to AT82100977T priority Critical patent/ATE17455T1/de
Publication of EP0061572A1 publication Critical patent/EP0061572A1/fr
Application granted granted Critical
Publication of EP0061572B1 publication Critical patent/EP0061572B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/16—Means for tensioning or winding the web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/10—Mechanisms in which power is applied to web-roll spindle
    • B65H18/103—Reel-to-reel type web winding and unwinding mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/10—Mechanisms in which power is applied to web-roll spindle
    • B65H18/12—Mechanisms in which power is applied to web-roll spindle to effect step-by-step advancement of web

Definitions

  • the invention relates to a device for winding material webs, in particular paper and textile webs, which are fed to the winding device discontinuously by means of a feed device, the feed device and a winding shaft of the winding device being coupled by a belt drive.
  • Winding devices which drive the winding shaft with a continuously acting torque. If the material web passes through a processing station in which processing of the stationary material web takes place, the torque acting on the winding shaft must be limited so that the material web is not pulled out of the processing station during the processing operation. This is the achievable strength of the winding is limited, so that it requires a lot of space.
  • take-up devices are known with a drive, which via a message, for. B. a supply of winding material is controlled in front of the winding device determining contact. These winding devices also have the above-mentioned disadvantage of loose winding.
  • the invention has for its object to provide a simply constructed device of the type mentioned, which enables the formation of a fixed roll without the risk that the material web is pulled out of the processing station during the processing operation.
  • the belt of the belt drive is elastically stretchable in its longitudinal direction and that the winding shaft is connected to one part of a locking mechanism, the other part of which can be moved intermittently into its release position by a driver arrangement connected to the feed device.
  • the elastic belt is elastically stretched and thus tensioned in one or more feed steps of the feed device, so that when the locking mechanism is released, the take-up shaft is jerked by the relaxing elastic belt and thereby winds up the material web.
  • the jerky twisting of the take-up roller turns the take-up roller Material web stretched so that a firm wrap is formed.
  • the drive energy transmitted from the feed device via the belt drive to the winding shaft is therefore first stored in the elastic belt before it is suddenly transmitted to the winding shaft when the locking mechanism is released.
  • the winding shaft is provided with a ratchet wheel having formed on its periphery ratchet teeth rotationally fixed verbunc 2n, between which engages a pivotally mounted between a L.ngriffswolf and a release position detent lever, the detent lever via a jack is pivoted, the way of driving teeth a driving wheel connected to the drive shaft of the feed device in a rotationally fixed manner is arranged.
  • the paper winder is shown in connection with a writing or printing unit.
  • the figures each show one, namely the right-hand mounting plate 1 of the writing mechanism, on which all the components required for the function are mounted.
  • a paper web 3 is guided around a guide rod 29 and further around a platen roller 6 of the writing mechanism to a winding mandrel or a winding shaft 4, where the front end of the paper web is held in a clamping slot 5.
  • a tensioning axis 30, which is attached at both ends to pressure levers 31, which in turn are pivotally mounted in the rivets 33 on the bearing plate 1 and are preloaded with the aid of springs 32 so that the tensioning axis 30 is pressed against the paper web 3 and the paper web taut before entering the processing station (the platen).
  • pressure rollers 7 and 71 With the help of pressure rollers 7 and 71, the paper web is pressed against the platen roller in order to achieve a good transfer of the pulling force from the platen roller 6 to the paper web 3.
  • the drive of the platen roller 6 can be seen in FIG. 2.
  • a motor 16 drives a gearwheel 20 via a gear 17, a pinion 18 and an idler gear 19, which gear rotates is connected to the shaft 8 of the platen roller 6.
  • a V-belt pulley 21 is also connected to the shaft 8 .
  • the axis 25 is mounted axially displaceably in a holding bracket 28 and in a spring housing 23 in order to uncouple the winding mandrel 4 from the axis 25 and to be able to remove the winding from the writing mechanism.
  • a displacement device for disengaging, a displacement device is provided which comprises a toothed stator 27 fastened to the bearing plate 1 and a toothed lifter 24 rotatably mounted on the axis 25 with an actuating lever 241.
  • 4 shows the lifter 24 in engagement with the stator 27 in accordance with the coupling position between the axis 25 and the winding mandrel 4.
  • the axis 25 is held in a torque-transmitting connection with the winding mandrel 4 by a spring accommodated in the spring housing 23.
  • the lifter 24 shows the lifter 24 in its raised position, in which the teeth of the lifter 24 and the stator 27 are positioned one above the other by rotating the lifter.
  • the axis 25 is displaced in the axial direction against the bias of the spring accommodated in the spring housing 23 to the right (viewed in FIGS. 4 and 5) and the torque-transmitting connection between the axis 25 and the winding mandrel 4 is released, so that the winding can be taken from the writing mechanism.
  • the axis 25 is also non-rotatably connected to a ratchet wheel 15 with ratchet teeth 151 into which a ratchet lever 13 engages with a latch 14.
  • the locking lever 13 is rotatably mounted on a pin 11 by means of a bushing 101 (FIG. 1), which in turn is fastened to the bearing plate 1.
  • a spring 12 acting on the one hand on the bearing plate and on the other hand on the latching lever 13 biases the latching lever 13 into its latching position.
  • the latching lever 13 has at its end facing away from the latching pawl 14 a latching lever 10 which is intended for engagement in a driving wheel 9 which is fastened on the axis 8 of the friction roller 6.
  • the driving wheel 9 has driving teeth 91 on its circumference, the mutual spacing of which corresponds to approximately two writing lines each.
  • the elastic square V-belt ensures sufficient torque and sufficient storage of the feed energy and, by sliding on the pulley 26, compensates for the constantly changing transmission ratio with increasing winding thickness.
  • the elasticity of the V-belt 22 must be chosen so that the energy stored in the V-belt 22 during the locking of the winding mandrel 4 from the drive is sufficient to overcome the frictional losses that occur with a full winding in the bearings of the mandrel 4 and the bearings of the axle 25 occur. Any excess energy remaining after the winding mandrel has been rotated is caught by the renewed latching of the locking mechanism 13, 14, 15 and acts only very briefly until it latches back onto the paper web 3, so that no retraction of the paper web 3 from the processing position 61 can take place.
  • the energy which can be stored elastically in the belt results on the one hand from the frictional engagement between the V-belt 22 and the pulley 26 and on the other hand from the expansion of the V-belt 22 on the pulling side between the pulleys 26 and 21 in this frictional engagement.
  • a major advantage of the device according to the invention is that the load on the drive by the winding device does not depend on the variable size of the winding, but only on the torque required to tension the V-belt 22 via the pulley 21.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
  • Transmission Devices (AREA)
  • Unwinding Webs (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
EP82100977A 1981-03-30 1982-02-10 Dispositif d'enroulement de bandes de papier et de textiles Expired EP0061572B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82100977T ATE17455T1 (de) 1981-03-30 1982-02-10 Aufwickelvorrichtung fuer papier- und textilbahnen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19818109362U DE8109362U1 (de) 1981-03-30 1981-03-30 "aufwickelvorrichtung fuer papier- oder textilbahnen"
DE8109362U 1981-03-30

Publications (2)

Publication Number Publication Date
EP0061572A1 true EP0061572A1 (fr) 1982-10-06
EP0061572B1 EP0061572B1 (fr) 1986-01-15

Family

ID=6726251

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82100977A Expired EP0061572B1 (fr) 1981-03-30 1982-02-10 Dispositif d'enroulement de bandes de papier et de textiles

Country Status (5)

Country Link
US (1) US4434950A (fr)
EP (1) EP0061572B1 (fr)
JP (1) JPS57175645A (fr)
AT (1) ATE17455T1 (fr)
DE (2) DE8109362U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0352665A2 (fr) * 1988-07-25 1990-01-31 Theodore P. Lapadakis Dispositif de commande de l'enroulement d'une bande de papier

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE446839B (sv) * 1984-03-01 1986-10-13 Philips Norden Ab Anordning for matning av kvitto och/eller journalremsa
US4615628A (en) * 1985-04-02 1986-10-07 Shape Inc. Ribbon cartridge with self-contained ratchet and drive gear assembly
JPH0696317B2 (ja) * 1985-05-22 1994-11-30 キヤノン株式会社 インクリボンカセツト

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE232880C (fr) *
GB191110018A (en) * 1911-04-25 1912-02-15 Underwood Typewriter Co Improvements in Typewriting Machines.
US3966136A (en) * 1974-05-13 1976-06-29 Monarch Marking Systems, Inc. Rewind apparatus
FR2345379A1 (fr) * 1976-03-22 1977-10-21 Pisani Luigi Off Mec Machine enrouleuse de tissus destines aux machines a decouper les collerettes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE232880C (fr) *
GB191110018A (en) * 1911-04-25 1912-02-15 Underwood Typewriter Co Improvements in Typewriting Machines.
US3966136A (en) * 1974-05-13 1976-06-29 Monarch Marking Systems, Inc. Rewind apparatus
FR2345379A1 (fr) * 1976-03-22 1977-10-21 Pisani Luigi Off Mec Machine enrouleuse de tissus destines aux machines a decouper les collerettes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0352665A2 (fr) * 1988-07-25 1990-01-31 Theodore P. Lapadakis Dispositif de commande de l'enroulement d'une bande de papier
EP0352665A3 (fr) * 1988-07-25 1990-08-29 Theodore P. Lapadakis Dispositif de commande de l'enroulement d'une bande de papier

Also Published As

Publication number Publication date
ATE17455T1 (de) 1986-02-15
DE3268467D1 (en) 1986-02-27
JPS57175645A (en) 1982-10-28
EP0061572B1 (fr) 1986-01-15
US4434950A (en) 1984-03-06
DE8109362U1 (de) 1981-11-19

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