DE4026895A1 - Simple tension regulator for spool feed applications - uses spring to pull circular friction pads against opposite sides of unwinding material, producing stable tension - Google Patents

Simple tension regulator for spool feed applications - uses spring to pull circular friction pads against opposite sides of unwinding material, producing stable tension

Info

Publication number
DE4026895A1
DE4026895A1 DE19904026895 DE4026895A DE4026895A1 DE 4026895 A1 DE4026895 A1 DE 4026895A1 DE 19904026895 DE19904026895 DE 19904026895 DE 4026895 A DE4026895 A DE 4026895A DE 4026895 A1 DE4026895 A1 DE 4026895A1
Authority
DE
Germany
Prior art keywords
opposite sides
unwinding
tape
friction pads
tension
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.)
Withdrawn
Application number
DE19904026895
Other languages
German (de)
Inventor
Frank Armbruster
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 AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to DE19904026895 priority Critical patent/DE4026895A1/en
Publication of DE4026895A1 publication Critical patent/DE4026895A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00Unwinding, paying-out webs
    • B65H16/005Dispensers, i.e. machines for unwinding only parts of web roll
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00Unwinding, paying-out webs
    • B65H16/02Supporting web roll
    • B65H16/06Supporting web roll both-ends type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00Registering, tensioning, smoothing or guiding webs
    • B65H23/04Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/06Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
    • B65H23/08Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle acting on web roll being unwound
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18Constructional details

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Unwinding Webs (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

The material to be dispensed (21), wound on a core (11), is held between two fixed discs (13). Each disc has a friction pad (14) which is held in contact with the unwinding material by a lightly-tensioned spring (12). USE - Dispensing reels of wire, optical fibre, textiles, tape or ribbon. Suitable for mass produced utility material, e.g. ink ribbon for printer.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Abwickeln eines Bandes von einem Bandwickel, bestehend aus einem Wickel­ kern, Tragzapfen, Federelementen mit weicher Federkennlinie und zwei verdrehgesicherten Druckscheiben mit darauf aufgebrachten Reibbelägen, wobei eine Druckscheibe axial beweglich ist.The invention relates to a device for unwinding a tape from a tape wrap consisting of a wrap core, trunnion, spring elements with soft spring characteristic and two non-rotating thrust washers with it applied friction linings, with a thrust washer axially is mobile.

Vorrichtungen zum Abwickeln eines Bandes von einem Bandwickel sind bereits in einer Vielzahl von Ausführungen bekannt. Ebenso zahlreich sind die Anwendungsgebiete solcher Vorrichtungen. Diese erstrecken sich von flächenförmigen bis zu draht- oder fadenförmigen Materialien. Beispiele für ebengenannte Anwendungsgebiete sind für flächenförmige Materialien Papier, Metall oder Kunststoffbänder und für draht- oder fadenförmige Materialien elektrische oder optische Leitungen bzw. Metalldrähte oder textile Fäden. Dabei ist den Anforderungen an das jeweilige Einsatzgebiet Rechnung zu tragen. Zentralforde­ rung an solche Vorrichtungen ist, eine näherungsweise konstante Abzugskraft bzw. Bremskraft zu erzielen, damit das Bandmaterial nicht beschädigt wird bzw. immer hinreichend gestrafft ist. Die Parameter, die hierbei von Bedeutung sind, sind zum einen die Art des Bandmaterials, zum anderen die Größe der Änderungen des Ablaufradius, des Bandmaterials von der Bandspule. Vorrichtungen, die solchen Anforderungen entsprechen, basieren auf dem Prinzip der Kernbremsung bzw. der Bremsung am Umfang der Wickelrolle. Neben technischen Unzulänglichkeiten solcher Vorrichtungen sind diese zu aufwendig. Auf einem anderen Prinzip beruht die Vorrichtung, die in der DD-PS 2 68 224 be­ schrieben ist. Dort wird beim Abwickeln von vorzugsweise hoch­ empfindlichen elektrischen optischen Leitungen in einfacher Weise die Bandspannung beim Abwickeln konstant gehalten. Dies wird dort dadurch erreicht, daß die Bremsteller konische Wirk­ flächen aufweisen. Die konischen Wirkflächen der Bremsteller greifen mit einer Linienbelastung am Außendurchmesser der Band­ spule an, so daß dort der Abwickelradius dem Reibradius ent­ spricht. Diese Vorrichtung hat jedoch den Nachteil, daß für empfindliche flächenhafte Bandmaterialien, wie beispielsweise Farbbänder für Drucker, eine Linienbelastung der obengenann­ ten Art ungeeignet ist.Devices for unwinding a tape from a tape reel are already known in a variety of designs. As well the fields of application of such devices are numerous. These extend from flat to wire or filamentary materials. Examples of the aforementioned Areas of application are for sheet-like materials paper, Metal or plastic straps and for wire or thread-like Materials electrical or optical cables or Metal wires or textile threads. The requirements are to take the respective area of application into account. Central Ford tion on such devices is an approximately constant To achieve pulling force or braking force, so the strip material is not damaged or is always sufficiently tightened. The Parameters that are important here are, on the one hand, the Type of tape material, on the other hand the size of the changes in the Discharge radius of the tape material from the tape reel. Devices that meet such requirements are based on the principle of core braking or braking on the circumference the winding roll. In addition to technical shortcomings such Devices are too expensive. On another Principle is based on the device that be in DD-PS 2 68 224 is written. There is preferably high when unwinding sensitive electrical optical lines in simple Way the tape tension kept constant during unwinding. This is achieved there in that the brake actuator conical effect  have areas. The conical effective surfaces of the brake plates grip with a line load on the outside diameter of the band spool so that the unwinding radius there corresponds to the friction radius speaks. However, this device has the disadvantage that for sensitive sheet materials, such as Ribbons for printers, a line load of the above th type is unsuitable.

Die Aufgabe der Erfindung besteht darin, obengenannte Nach­ teile zu vermeiden und gleichzeitig in einfacher Weise eine Vorrichtung zu schaffen, die auch für massenhaft erzeugte Ver­ brauchsmaterialien geeignet ist, wie beispielsweise Farb­ bänder für Drucker.The object of the invention is the above avoid parts and at the same time in a simple way To create device that also for mass-produced Ver materials such as color is suitable ribbons for printers.

Die Lösung der Aufgabe gemäß der Erfindung besteht darin, daß die beiden durch eine Verdrehsicherung gesicherten Druckschei­ ben mit den darauf aufgebrachten Reibbelägen nur auf die beiden Stirnflächen des gewickelten Bandmaterials mittels Federelemen­ ten gedrückt sind. Auf diese Weise wird sichergestellt, daß die Bandspannung in dem notwendig erforderlichen Maße näherungs­ weise konstant gehalten wird, insbesondere bei großem Nutzen (Bandmaterial) auf dem Wickelkern. Ferner wird auf diese Art und Weise eine einfache und preiswerte Vorrichtung zum Abwickeln eines Bandes von einem Bandwickel geschaffen.The solution of the problem according to the invention is that the two pressure plates secured by an anti-rotation device ben with the friction linings applied only to the two End faces of the wound strip material using spring elements ten are pressed. This ensures that the Band tension to the extent necessary is kept constant, especially with great benefits (Tape material) on the winding core. Furthermore, in this way and a simple and inexpensive device for Unwinding a tape created from a tape wrap.

Ein Ausführungsbeispiel der Erfindung wird anhand der Zeichnung und der nachfolgenden Beschreibung erläutert. In der schema­ tischen Zeichnung zeigt die einzige Figur einen Querschnitt durch die Vorrichtung zum Abwickeln eines Bandes von einem Bandwickel.An embodiment of the invention is based on the drawing and the description below. In the scheme table drawing, the only figure shows a cross section by the device for unwinding a tape from a Tape wrap.

Die Vorrichtung zum Abwickeln eines Bandes 10 besteht aus einem Wickelkern 11, Federelementen 12 und Druckscheiben 13 mit darauf aufgebrachten Reibbelägen 14, die durch eine Verdreh­ sicherung 15 gesichert sind. Die eine Druckscheibe 13 mit dem wickels beweglich und mit einer Anschlagsfeder 17 gesichert. Die beiden Druckscheiben 13 drücken über ihre Reibbeläge 14 mittels der sie zusammenhaltenden Federelemente 12 ausschließ­ lich auf das Bandmaterial 21 des Bandwickels 20. Durch diese Anordnung kann die Drehmomentänderung durch Teleskopieren der Druckscheiben 13 kompensiert werden.The device for unwinding a tape 10 consists of a winding core 11 , spring elements 12 and thrust washers 13 with friction linings 14 mounted thereon, which are secured by a twist 15 . The thrust washer 13 secured to the reel and with a movable stop spring 17th The two thrust washers 13 press via their friction linings 14 by means of the spring elements 12 holding them together exclusively onto the strip material 21 of the strip roll 20 . With this arrangement, the change in torque can be compensated for by telescoping the pressure plates 13 .

Claims (1)

Vorrichtung zum Abwickeln eines Bandes von einem Bandwickel, bestehend aus einem Wickelkern, Tragzapfen, Federelementen mit weicher Federkennlinie und zwei verdrehgesicherten Druckscheiben mit darauf aufgebrachten Reibbelägen, wobei eine Druckscheibe axial beweglich ist, dadurch gekennzeichnet, daß die beiden durch eine Verdrehsicherung (15) gesicherten Druckscheiben (13) mit den darauf aufgebrachten Reibbelägen (14) nur auf die beiden Stirnflächen des gewickelten Bandmaterials (21) mittels Federelementen (12) gedrückt sind.Device for unwinding a tape from a tape reel, consisting of a winding core, support pin, spring elements with a soft spring characteristic and two non-rotating pressure plates with friction linings mounted thereon, one pressure plate being axially movable, characterized in that the two pressure plates secured by an anti-rotation device ( 15 ) ( 13 ) with the friction linings ( 14 ) applied thereon are pressed only onto the two end faces of the wound strip material ( 21 ) by means of spring elements ( 12 ).
DE19904026895 1990-08-23 1990-08-23 Simple tension regulator for spool feed applications - uses spring to pull circular friction pads against opposite sides of unwinding material, producing stable tension Withdrawn DE4026895A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19904026895 DE4026895A1 (en) 1990-08-23 1990-08-23 Simple tension regulator for spool feed applications - uses spring to pull circular friction pads against opposite sides of unwinding material, producing stable tension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904026895 DE4026895A1 (en) 1990-08-23 1990-08-23 Simple tension regulator for spool feed applications - uses spring to pull circular friction pads against opposite sides of unwinding material, producing stable tension

Publications (1)

Publication Number Publication Date
DE4026895A1 true DE4026895A1 (en) 1992-02-27

Family

ID=6412895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904026895 Withdrawn DE4026895A1 (en) 1990-08-23 1990-08-23 Simple tension regulator for spool feed applications - uses spring to pull circular friction pads against opposite sides of unwinding material, producing stable tension

Country Status (1)

Country Link
DE (1) DE4026895A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0754639A1 (en) * 1995-07-21 1997-01-22 Gerber Garment Technology, Inc. Apparatus for working on sheet material and having friction hub
WO2014018328A1 (en) * 2012-07-24 2014-01-30 Geami Ltd. Apparatus and methods for dispensing cushioning wrap material
WO2014201284A3 (en) * 2013-06-12 2015-06-04 Ranpak Corp. A stand for a self-contained cartridge and method for manually dispensing an expandable cushioning wrap
USD735488S1 (en) 2013-07-03 2015-08-04 RankPak Corp. Dispensing apparatus for cushioning wrap material
CN105437789A (en) * 2015-12-14 2016-03-30 广州市宝比万像科技有限公司 Roller and printer
US11078040B2 (en) 2013-06-12 2021-08-03 Ranpak Corp. Stand for self contained cartridge and method for manually dispensing an expandable cushioning wrap
DE102021111872B4 (en) 2021-05-06 2023-02-23 Steffen Schreck Unrolling device, in particular for foils, and associated method
EP4155247A1 (en) * 2021-09-24 2023-03-29 Wrapex Limited A dispensing system and a dispenser

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5632455A (en) * 1995-07-21 1997-05-27 Gerber Garment Technology, Inc. Apparatus for working on sheet material and having friction hub
EP0754639A1 (en) * 1995-07-21 1997-01-22 Gerber Garment Technology, Inc. Apparatus for working on sheet material and having friction hub
WO2014018328A1 (en) * 2012-07-24 2014-01-30 Geami Ltd. Apparatus and methods for dispensing cushioning wrap material
US9376280B2 (en) 2012-07-24 2016-06-28 Ranpak Corp. Apparatus and methods for dispensing cushioning wrap material
US10227195B2 (en) 2013-06-12 2019-03-12 Ranpak Corp. Stand for self contained cartridge and method for manually dispensing an expandable cushioning wrap
WO2014201284A3 (en) * 2013-06-12 2015-06-04 Ranpak Corp. A stand for a self-contained cartridge and method for manually dispensing an expandable cushioning wrap
CN105377726A (en) * 2013-06-12 2016-03-02 兰帕克公司 Stand for self-contained cartridge and method for manually dispensing expandable cushioning wrap
US11078040B2 (en) 2013-06-12 2021-08-03 Ranpak Corp. Stand for self contained cartridge and method for manually dispensing an expandable cushioning wrap
CN105377726B (en) * 2013-06-12 2017-06-09 兰帕克公司 The articles holding table of self-sustaining formula reel and the method for distributing expandable buffering parcel manually
USD735488S1 (en) 2013-07-03 2015-08-04 RankPak Corp. Dispensing apparatus for cushioning wrap material
CN105437789B (en) * 2015-12-14 2018-04-24 广州市宝比万像科技有限公司 Spool and printer
CN105437789A (en) * 2015-12-14 2016-03-30 广州市宝比万像科技有限公司 Roller and printer
DE102021111872B4 (en) 2021-05-06 2023-02-23 Steffen Schreck Unrolling device, in particular for foils, and associated method
EP4155247A1 (en) * 2021-09-24 2023-03-29 Wrapex Limited A dispensing system and a dispenser
GB2611061A (en) * 2021-09-24 2023-03-29 Wrapex Ltd A dispensing system and a dispenser
GB2611061B (en) * 2021-09-24 2024-01-17 Wrapex Ltd A dispensing system and a dispenser

Similar Documents

Publication Publication Date Title
DE2516792C2 (en) Reel arrangement
EP0090164A2 (en) Winding device for a ribbon cartridge in a printer
DE2812958C2 (en)
DE4026895A1 (en) Simple tension regulator for spool feed applications - uses spring to pull circular friction pads against opposite sides of unwinding material, producing stable tension
DE19917952A1 (en) Device for influencing the tensile stress in catch strip yarns when weaving on weaving machines
DE2219127A1 (en) Device for unwinding a rope under tension from a drum
DE3782284T2 (en) DEVICE FOR DISPENSING TWO BAND-SHAPED MATERIALS.
DE3010036A1 (en) Brush holder for electric machine - contains leaf spring bent round brush, with one or both free ends rolled over
DE2911340A1 (en) FRICTION WHEEL DRIVE FOR CONICAL CROSS WINDING REELS
DE3011950A1 (en) ROLE FOR FISHING RODS
DE947233C (en) Storage for a revolving thread guide that is dragged by the running thread, especially on double-wire twisting spindles
CH590784A5 (en) Coiling unit for strip material esp. data carrier - has strip moving between concave surface pressure disc and second disc
DD212698A1 (en) RIBBON CARTRIDGE
AT371784B (en) DEVICE FOR BRAKED REMOVAL OF AN ADHESIVE FILM OD. DGL. FROM A ROLE
EP0802142A1 (en) Brake for the yarn axially unwound from a bobbin
DE582747C (en) Discharge bracket for wire winding machines, in which a spring acts on a brake disk connected to the supply roll with variable braking force corresponding to the diameter of the wire filling on the supply reel
DE1564959A1 (en) Device for generating a constant wire tension, especially for winding deflection coils for television receivers
DE731172C (en) Holding and unwinding device for loose thread rolls
DE510353C (en) Tape plate for tape winding machines
DE638919C (en) Holding device for loose thread winding to be withdrawn overhead, e.g. B. Artificial silk cake
DE2542259C2 (en) Tensioning device for a deletion tape transport device on a typewriter
DE866687C (en) Cord or band brake, especially for reels of stranding machines for telecommunication cables
DE2151386A1 (en) TAPE CASSETTE
DE1657268C (en) Device for the withdrawal of paper bobbins at high speed, especially on cigarette rod machines
AT204103B (en) Device on a machine for wrapping cables with tapes

Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee