EP0620175B1 - Device for the detached holding of a winding core of a web roll - Google Patents
Device for the detached holding of a winding core of a web roll Download PDFInfo
- Publication number
- EP0620175B1 EP0620175B1 EP94103652A EP94103652A EP0620175B1 EP 0620175 B1 EP0620175 B1 EP 0620175B1 EP 94103652 A EP94103652 A EP 94103652A EP 94103652 A EP94103652 A EP 94103652A EP 0620175 B1 EP0620175 B1 EP 0620175B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spindle
- winding core
- hub
- spring ring
- spring
- 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 - Lifetime
Links
Images
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
- B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
- B65H75/245—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages by deformation of an elastic or flexible material
Definitions
- the invention relates to a device according to the preamble of claim 1.
- Such a device is known for example from US-A-2,651,900.
- US-A-2,651,900 To replace a tape roll, the handling by reaching behind and under is very cumbersome.
- FIG. 1 shows a device 1 for releasably receiving a winding core 2 of a tape roll 3 on a mandrel 4 by means of a spring-loaded, manually operated tape roll changing device, the mandrel 4 being arranged axially rotatably on a fixed bearing journal 5.
- the mandrel 4 is provided with a hub 6 which is connected to a disk 7.
- a spring ring 9 with an axial play is arranged concentrically between the hub 6 and a shoulder 8 of the mandrel 4. In the relieved state, the spring ring 9 has a larger outer diameter than an inner diameter of the winding core 2.
- the winding core 2 is coaxially rotatably connected to the mandrel 4 via the spring ring 9, the mandrel 4 having a smaller diameter 11 than the inner diameter 10 of the winding core 2.
- a first free end 12 of the spring ring 9 is movably connected to the mandrel 4 and a second free end 13 of the spring ring 9 is connected to the hub 6, the mandrel 4 being connected to a freewheel device 14 is provided and the journal 5 is provided as a freewheel shaft.
- a circlip 9A with openings 15, 16 arranged within the outer diameter is provided as the spring ring 9, one opening 15 being connected to the mandrel 4 via a pin 17 and another opening 16 being connected to the hub 6 via another pin 18.
- the two pins 17, 18 are shown diametrically opposite one another, the correct position being evident from FIG. 2, likewise from the top view of the device 1 according to FIG. 3.
- the disc 7 is rotated in the direction of an arrow 19 (FIG. 3), the mandrel 4 being prevented from rotating in this direction by the freewheel device 14, with the result that the one rotating in the direction of the arrow 19 Disc 7, the hub 6 and thus the pin 18 are taken along in such a way that the circlip 9A is compressed and thereby assumes approximately the outer diameter 11 of the mandrel 4, whereby the winding core 2 can be released.
- this device 1 it is now possible to operate the changing device with one hand in the direction of the arrow 19 and, on the other hand, to take the winding core 2 from an empty tape roll 3 with the other hand and to put on a new tape roll 3 with a winding core 2, without having to reach behind or under it.
- non-slip actuation elements 20 can be provided, which are preferably arranged radially at the edge region of the disc 7.
- the direction of tape roll unwinding is opposite to the direction of arrow 19 because of the freewheel device 14.
- the two pins 17, 18 are arranged radially to the longitudinal axis of the bearing journal 5 in order to prevent the tape roll 3 from being imbalanced.
- the two pins 17, 18 can either be fixedly connected to the circlip 9A and rotatably to the mandrel 4 / hub 6 or fixedly to the mandrel 4 / hub 6 and rotatably connected to the circlip 9A.
- a holding device for axial fixing for example in the form of a circlip 21, is provided.
Landscapes
- Winding Of Webs (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Unwinding Webs (AREA)
Description
Die Erfindung betrifft eine Einrichtung nach dem Oberbegriff des Anspruchs 1.The invention relates to a device according to the preamble of
Eine solche Einrichtung ist zum Beispiel aus der US-A-2,651,900 bekannt. Zum Auswechseln einer Bandrolle ist hierbei die Handhabung durch Hinter- und Untergreifen sehr umständlich.Such a device is known for example from US-A-2,651,900. To replace a tape roll, the handling by reaching behind and under is very cumbersome.
Es ist daher Aufgabe der Erfindung, eine gattungsgleiche Einrichtung zu schaffen, die eine einfachere Handhabung ermöglicht.It is therefore an object of the invention to provide a generic device that enables easier handling.
Gelöst wird diese Aufgabe nach dem kennzeichnenden Teil des Anspruchs 1. Weitere Ausbildungen der Erfindung gehen aus den Unteransprüchen hervor.This object is achieved according to the characterizing part of
Die Erfindung wird anhand eines Ausführungsbeispiels näher beschrieben.The invention is described in more detail using an exemplary embodiment.
Es zeigt:
- Fig. 1
- in einer Axialschnittdarstellung eine Einrichtung;
- Fig. 2
- in einer perspektivischen Darstellung einen Federring (Seegerring) mit Stiften zum Spannen des Rings;
- Fig. 3
- eine Draufsicht auf die Einrichtung nach der Fig. 1 ohne eine Bandrolle.
- Fig. 1
- a device in an axial section;
- Fig. 2
- in a perspective view a spring ring (Seegerring) with pins for tensioning the ring;
- Fig. 3
- a plan view of the device of FIG. 1 without a tape roll.
In der Fig. 1 ist eine Einrichtung 1 zum lösbaren Aufnehmen eines Wickelkerns 2 einer Bandrolle 3 auf einem Dorn 4 mittels einer federbelasteten, manuell zu bedienenden Bandrollenwechseleinrichtung dargestellt, wobei der Dorn 4 auf einem feststehenden Lagerzapfen 5 axial drehbar angeordnet ist. Der Dorn 4 ist mit einer Nabe 6 versehen, die mit einer Scheibe 7 verbunden ist. Zwischen der Nabe 6 und einem Absatz 8 des Dorns 4 ist konzentrisch ein Federring 9 mit einem Axialspiel angeordnet. Im entlasteten Zustand weist der Federring 9 einen größeren Außendurchmesser auf als ein Innendurchmesser des Wickelkerns 2. Durch diese Maßnahme ist der Wickelkern 2 über den Federring 9 mit dem Dorn 4 koaxial drehbar verbunden, wobei der Dorn 4 einen kleineren Durchmesser 11 aufweist als der Innendurchmesser 10 des Wickelkerns 2. Zum Spannen des Federrings 9 zwecks Auswechselns einer Bandrolle 3 ist ein erstes freies Ende 12 des Federrings 9 beweglich mit dem Dorn 4 und ein zweites freies Ende 13 des Federrings 9 mit der Nabe 6 verbunden, wobei der Dorn 4 mit einer Freilaufeinrichtung 14 versehen ist und der Lagerzapfen 5 als eine Freilaufwelle vorgesehen ist. Als Federring 9 ist ein Seegerring 9A mit innerhalb des Außendurchmessers angeordneten Öffnungen 15, 16 vorgesehen, wobei eine Öffnung 15 über einen Stift 17 mit dem Dorn 4 und eine andere Öffnung 16 über einen anderen Stift 18 mit der Nabe 6 verbunden ist. Zwecks besserer Darstellung sind die beiden Stifte 17, 18 diametral gegenüberliegend dargestellt, wobei die richtige Lage aus der Fig. 2 entnehmbar ist, ebenso aus der Draufsicht auf die Einrichtung 1 nach der Fig. 3.1 shows a
Zum Auswechseln einer Bandrolle 3 wird in Richtung eines Pfeils 19 (Fig. 3) die Scheibe 7 gedreht, wobei durch die Freilaufeinrichtung 14 der Dorn 4 am Drehen in dieser Richtung gehindert wird, was zur Folge hat, daß durch die sich in Pfeilrichtung 19 drehende Scheibe 7 die Nabe 6 und damit der Stift 18 derart mitgenommen wird, daß der Seegerring 9A zusammengedrückt wird und dadurch in etwa den Außendurchmesser 11 des Dorns 4 annimmt, wodurch ein Lösen des Wickelkerns 2 möglich ist. Durch diese Einrichtung 1 ist es nunmehr möglich, mit der einen Hand in Pfeilrichtung 19 die Wechseleinrichtung zu bedienen und andererseits mit der anderen Hand den Wickelkern 2 einer leeren Bandrolle 3 zu entnehmen und eine neue Bandrolle 3 mit einem Wickelkern 2 aufzusetzen, ohne daß ein Hinter- oder Untergreifen erforderlich ist. Anstatt am Randbereich der Scheibe 7 die Einrichtung 1 zu betätigen, können griffige Betätigungselemente 20 vorgesehen werden, die vorzugsweise radial am Randbereich der Scheibe 7 angeordnet sind. Die Bandrollenabwickeldrehrichtung ist wegen der Freilaufeinrichtung 14 entgegengesetzt der Pfeilrichtung 19.To replace a
Die beiden Stifte 17, 18 sind radial zur Längsachse des Lagerzapfens 5 angeordnet um eine Unwucht der aufgenommenen Bandrolle 3 zu verhindern.The two
Die beiden Stifte 17, 18 können wahlweise fest mit dem Seegerring 9A und drehbar mit dem Dorn 4/Nabe 6 verbunden werden oder fest mit dem Dorn 4/Nabe 6 und drehbar mit dem Seegerring 9A.The two
Zum Auswechseln der Einrichtung 1 gegen eine andere Größe ist eine Halteeinrichtung zum axialen Fixieren, zum Beispiel in Form eines Seegerrings 21, vorgesehen.To replace the
- 11
- EinrichtungFacility
- 22nd
- WickelkernWinding core
- 33rd
- BandrolleTape roll
- 44th
- Dornmandrel
- 55
- LagerzapfenBearing journal
- 66
- Nabehub
- 77
- Scheibedisc
- 88th
- Absatzparagraph
- 99
- FederringSpring washer
- 9A9A
- SeegerringSeegerring
- 1010th
- Innendurchmesser/WickelkernInner diameter / winding core
- 1111
- Durchmesser/DornDiameter / mandrel
- 1212th
- erstes freies Ende/Federringfirst free end / spring ring
- 1313
- zweites freies Ende/Federringsecond free end / spring washer
- 1414
- FreilaufeinrichtungFreewheel device
- 1515
- Öffnungopening
- 1616
- Öffnungopening
- 1717th
- Stiftpen
- 1818th
- Stiftpen
- 1919th
- Pfeilarrow
- 2020th
- BetätigungselementActuator
- 2121
- SeegerringSeegerring
Claims (5)
- A device for detachably holding a winding core of a roll of tape on a spindle by means of a spring-loaded, manually operated change-over device, characterised- in that the spindle (4) is axially rotatably arranged on a stationary bearing journal (5),- the spindle (4) being provided with a hub (6) connected to a disc (7),- in that a spring ring (9) having an axial clearance is arranged concentrically between the hub (6) and a shoulder (8) of the spindle (4),- in that the spring ring (9) in the unloaded state has a greater outer diameter than an inner diameter (10) of the winding core (2),- in that the spindle (4) has a smaller diameter (11) than the inner diameter (10) of the winding core (2),- in that a first free end (12) of the spring ring (9) is movably connected to the spindle (4) and a second free end (13) of the spring ring (9) is movably connected to the hub (6),- and in that the spindle (4) is provided with a free-running device (14), the bearing journal (5) being provided as a free-running shaft.
- A device according to claim 1, characterised in that a Seeger ring (9A) having openings (15, 16) arranged within the outer diameter is provided as the spring ring (9), one opening (15) being connected to the spindle (4) by a pin (17) and the other opening (16) being connected to the hub (6) by another pin (18).
- A device according to at least one of the preceding claims, characterised in that the device (1) is provided for holding rolls (3) of one-sided adhesive tape.
- A device according to at least one of the preceding claims, characterised in that the device (1) is provided for apparatus for binding elongate objects (cable harnesses).
- A device according to at least claim 1, characterised in that the device (1) is interchangeably constructed for different winding-core diameters (10).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9305444U DE9305444U1 (en) | 1993-04-10 | 1993-04-10 | |
| DE9305444U | 1993-04-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0620175A1 EP0620175A1 (en) | 1994-10-19 |
| EP0620175B1 true EP0620175B1 (en) | 1995-09-20 |
Family
ID=6891875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94103652A Expired - Lifetime EP0620175B1 (en) | 1993-04-10 | 1994-03-10 | Device for the detached holding of a winding core of a web roll |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0620175B1 (en) |
| DE (2) | DE9305444U1 (en) |
| ES (1) | ES2079984T3 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3131881A (en) * | 1962-07-26 | 1964-05-05 | Kluttz Machine & Foundry Co | Lap pins |
| US4842439A (en) * | 1987-06-17 | 1989-06-27 | Intermec Corporation | Label supply collet-clamp fitting |
| DE4014147A1 (en) * | 1990-05-02 | 1991-11-07 | Esselte Meto Int Gmbh | Strip coil supporting spindle - is in two sections with curved surfaces spring loaded apart |
-
1993
- 1993-04-10 DE DE9305444U patent/DE9305444U1/de not_active Expired - Lifetime
-
1994
- 1994-03-10 EP EP94103652A patent/EP0620175B1/en not_active Expired - Lifetime
- 1994-03-10 DE DE59400016T patent/DE59400016D1/en not_active Expired - Fee Related
- 1994-03-10 ES ES94103652T patent/ES2079984T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE9305444U1 (en) | 1993-06-17 |
| ES2079984T3 (en) | 1996-01-16 |
| EP0620175A1 (en) | 1994-10-19 |
| DE59400016D1 (en) | 1995-10-26 |
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