EP0005717B1 - Procédé et dispositif pour l'alimentation en matériau sous forme de ruban d'une machine de fabrication de tubes par enroulement hélicoidal - Google Patents

Procédé et dispositif pour l'alimentation en matériau sous forme de ruban d'une machine de fabrication de tubes par enroulement hélicoidal Download PDF

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Publication number
EP0005717B1
EP0005717B1 EP19790101093 EP79101093A EP0005717B1 EP 0005717 B1 EP0005717 B1 EP 0005717B1 EP 19790101093 EP19790101093 EP 19790101093 EP 79101093 A EP79101093 A EP 79101093A EP 0005717 B1 EP0005717 B1 EP 0005717B1
Authority
EP
European Patent Office
Prior art keywords
strip
roller
arrangement
winding machine
endless belt
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
EP19790101093
Other languages
German (de)
English (en)
Other versions
EP0005717A1 (fr
Inventor
Rolf Strohband
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.)
Guschky & Tonnesmann & Co KG GmbH
GUSCHKY AND TONNESMANN GmbH and Co KG
Original Assignee
Guschky & Tonnesmann & Co KG GmbH
GUSCHKY AND TONNESMANN GmbH and Co KG
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 Guschky & Tonnesmann & Co KG GmbH, GUSCHKY AND TONNESMANN GmbH and Co KG filed Critical Guschky & Tonnesmann & Co KG GmbH
Publication of EP0005717A1 publication Critical patent/EP0005717A1/fr
Application granted granted Critical
Publication of EP0005717B1 publication Critical patent/EP0005717B1/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
    • B65H20/00—Advancing webs
    • B65H20/24—Advancing webs by looping or like devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
    • B65H23/10—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle acting on running web

Definitions

  • the invention relates to a method for feeding the strip-shaped starting material wound into rolls to a spiral sleeve winding machine, on which the previously glued individual strips are helically wound onto a mandrel and formed into a sleeve by means of at least one winding belt, and a device to carry out this procedure.
  • the strips of the starting material, in particular paper, used to form the sleeve are pulled off the individual rollers rotatably arranged in the at least one frame by means of the winding belt which interacts with the mandrel of the spiral sleeve winding machine and at the same time the formation the sleeve causes.
  • This not only results in a large power requirement for driving the winding belt, but also the disadvantage that uneven removal of the individual strips cannot be avoided by non-round rollers and other disruptive factors.
  • the inevitably resulting different tensions in the strips have a very disadvantageous effect on the quality of the sleeve produced.
  • a constant sleeve quality is of the utmost importance.
  • the invention has for its object to provide a method and an apparatus with which a uniform tension in the individual strips can be achieved in spite of different roll diameters and non-round rolls and can be maintained over the entire manufacturing process, with the simplest possible means, which also a Retrofitting existing systems possible.
  • the solution to this problem by the method according to the invention is characterized in that from each roll a strip drawn off by an individual controllable take-off device is fed almost without tension to a braking device in which a predetermined constant tension is generated in the strip by the winding belt drive.
  • the individually controllable take-off device of each roll ensures that all interference factors which differ from roll to roll are switched off, since each take-off ensures that the strip is fed to the braking device almost without voltage.
  • this braking device in cooperation with the winding belt drive, a predetermined tension is generated in the strip, which is the same size for the supply of all strips to the mandrel and is kept constant. Overall, this not only relieves the drive of the winding belt, but also supplies all strips with the same tension to the mandrel, so that a constant quality of the sleeve produced on the spiral sleeve winding machine is achieved.
  • the device for carrying out the method according to the invention has at least one frame for the rotatably mounted rollers of the strip-shaped starting material, which is fed to the mandrel of the spiral sleeve winding machine by means of the driven winding belt and wound helically to the sleeve.
  • the device according to the invention is characterized in that each roller is provided with its own take-off device and that an adjustable braking device is arranged in front of the point at which each strip hits the mandrel.
  • a pull-off device which interacts with the uppermost layer of the roll.
  • the take-off device is formed by an endless belt which is guided over a driven and a freely rotatable disc and can be pressed against the strip guided over a deflection roller by means of a pivoting device. This results in a particularly simple and effective design of the drive.
  • the swiveling device is formed by a pressure medium cylinder which can be actuated by a photo-electrical device as a function of the loop formation of the strip between the deflection roller and a further guide device.
  • a photoelectric device is in particular a light barrier that actuates the pressure medium cylinder as soon as the light barrier detects that the loop formation of the strip deviates from the predetermined value.
  • a particularly simple design of the drive can be achieved in that the driven disc of the endless rim is driven by a fixed motor, the speed of which can be regulated as a function of the speed of the main drive shaft of the spiral sleeve winding machine.
  • the two disks carrying the endless belt are arranged on a swivel frame which is mounted so as to be pivotable about the axis of rotation of one of the two disks by the pressure medium cylinder.
  • the deflecting roller is designed as the last roller of a roll-off chair which forms a plurality of storage loops, the replacement of a running roller with a new roller can be simplified in a manner known per se.
  • the invention proposes to form the brake device by means of two brake plates which can be pressed against one another by means of an adjustable force, so that also a simple and reliable design is guaranteed with regard to this component.
  • Fig. 1 shows a frame 1, which consists of a square base frame 1 a, a plurality of vertical beams 1 b and these vertical beams 1 b in the transverse or longitudinal direction cross beams 1 c and longitudinal beams 1 d, of which the longitudinal beams 1 d that run perpendicular to the plane of the drawing, only one carrier can be seen.
  • each strip 4 of each running, in the horizontal direction next to each other in the frame 1 rotatably arranged roller 3 is guided in the illustrated embodiment over a wheelchair 5, so that each strip 4 forms a plurality of storage loops 4a. This is done with the aid of deflection rollers 5a, as shown in FIG. 1.
  • the upper deflection rollers 5a of the unrolling chair 5 are moved in accordance with the running speed of the strip 4 in the direction of the lower deflection rollers 5a, so that the necessary length during the connection process when the replacement roller 3a is stationary of the strip 4 is provided from the wheelchair 5 by reducing the length of the storage loops 4.
  • the manufacturing process need not be interrupted.
  • the replacement roller 3a By means of two hooks 6, which engage the ends of the roller axis 3b protruding from the roller 3 or replacement roller 3a, the replacement roller 3a can be moved into the upper bearing blocks 2 in a simple manner.
  • the hooks 6 are each connected to a traction cable 7 which is guided over a cable pulley 8 at the upper end of the vertical support 1.
  • the replacement roller 3a By pulling on these traction cables 7, the replacement roller 3a can thus be lifted upwards, the slight incline of the vertical supports 1b ensuring that the roller axis 3b is constantly in contact with the front edge of the vertical supports 1b and reliably reaches the upper bearing blocks 2.
  • each strip 4 runs in a loosely hanging loop to a guide roller 9, which in the exemplary embodiment shown is fixedly arranged at the height of the lower cross member 1c.
  • This loosely hanging loop is created by a controllable trigger device assigned to each individual roller 3 of the frame 1, which is described below.
  • this trigger device consists of an endless belt 10 which is guided over two disks 10a and 10b. These disks 10a and 10b are mounted on a swivel arm 11 which can be swiveled about the axis of rotation of the lower disk 10a.
  • This lower pulley 10a is driven by a belt or chain 12 from a motor 13, the speed of which can be regulated as a function of the speed of the main drive shaft of the spiral sleeve winding machine.
  • the pivoting of the swivel frame 11 and thus the pressing of the endless belt 10 against the strip 4 running over the deflection roller 5b takes place by means of a pressure medium cylinder 14 which is arranged between the upper end of the swivel frame 11 and the frame 1. If the belt 10 is pressed against the deflection roller 5b, the strip 4 is pulled off the running roller 3. As soon as the belt 10 is pivoted away from the deflection roller 5b as shown in FIG. 1, the drive process is interrupted.
  • the control of the pressure medium cylinder 14 is carried out by a photo-electrical device, which is designed as a light barrier 15 in the illustrated embodiment.
  • This light barrier 15 ensures that the belt 10 swivels away from the strip 4 running over the deflection roller 5b as soon as the light beam is interrupted by the hanging loop of the strip 4. In this way, a simple control of the drive of each strip 4 can be achieved.
  • the strip 4 guided over the guide roller 9 is in this way fed almost without tension to a braking device 16, which is shown on an enlarged scale in FIG. 2. It consists of two side walls 16a running parallel to one another, the distance from one another being somewhat larger than the width of the strip 4. Between these two cheeks 16a there is a lower, stationary guide plate 16b and an upper guide plate 16c, which is supported with its rear end on a bolt 16d.
  • the strip 4 runs between these guide plates 16b and 16c, as can be seen in the representations in both FIG. 1 and FIG. 2.
  • the pressing force of the upper guide plate 1 6c can be counteracted by an adjusting spindle 16e with nuts 16f adjust the lower guide plate 16b and thus the braking effect of the braking device 16. In this way there is an adjustable, constant tension in the strip 4 when it leaves the braking device 16 and is wound on the mandrel 17 to form a sleeve 18 by the winding belt (not shown in FIG. 1).

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Making Paper Articles (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Claims (8)

1. Procédé pour l'amenée d'une matière de départ en bande enroulée en rouleaux à une machine d'enroulement de gaines spirales sur laquelle les bandes individuelles encollées au préalable (4) sont enroulées en hélice sur un mandrin (17) et façonnées suivant une gaine (18), caractérisé en ce qu'à partir de chaque rouleau (3), une bande (4) extraite par un dispositif d'extraction (10, 11, 12, 13) à commande individuelle est envoyée presque sans tension à un dispositif de freinage (16) dans lequel est produite par une commande à courroie d'enroulement, une tension constante prédéterminée dans la bande (4). -
2. Installation pour la mise en oeuvre du procédé selon la revendication 1, avec des rouleaux (3) montés à rotation dans au moins un châssis (1), munis d'une matière de départ en bande, qui est amenée au mandrin (17) d'une machine d'enroulement de gaines- spirales et enroulée en hélice suivant une gaine (18), caractérisée en ce que chaque rouleau (3) est muni en propre d'un dispositif d'extraction (10, 11, 12, 13) et en ce que, pour chaque bande (4) un dispositif de freinage réglable (16) est disposé avant la zone d'arrivée de cette bande (4) sur le mandrin (17).
3. Installation selon la revendication 2, caractérisée en ce que le dispositif d'extraction est constitué par une courroie sans fin (10), qui est guidée sur une poulie entraînée et une poulie à rotation libre (10a, 10b) et peut être appliquée au moyen d'un dispositif de pivotement (14) contre la bande (4) guidée sur un cylindre de renvoi (5b).
4. Installation selon la revendication 3, caractérisée en ce que le dispositif de pivotement est constitué par un cylindre à fluide sous pression (14) qui peut être actionné par un organe photo- électrique (15) en fonction de la formation d'une boucle de la bande (4) entre le cylindre de renvoi (5b) et un autre organe de guidage (cylindre directeur 9).
5. Installation selon les revendications 3 et 4, caractérisée en ce que la poulie entraînée (10a) de la courroie sans fin (10) est entraînée par un moteur (13) à position fixe dont la vitesse de rotation est réglable en fonction de la vitesse de rotation de l'arbre d'entraînement principal de la machine d'enroulement de gaines spirales.
6. Installation selon les revendications 3 à. 5, caractérisée en ce que les deux poulies (10a, 10b) portant la courroie sans fin (10) sont montées sur un châssis pivotant (11) qui est monté pour pouvoir pivoter sous l'action du cylindre à fluide sous pression (14) autour de l'axe de rotation de l'une des deux poulies (10a, 1 Ob).
7. Installation selon la revendication 3, caractérisée en ce que le cylindre de renvoi (5b) est agencé en tant que dernier cylindre d'un châssis de déroulement (5) formant plusieurs boucles de réserve (4a).
8. Installation selon au moins l'une des revendications 2 à 7, caractérisée en ce que le dispositif de freinage (16) est constitué par deux tôles directrices (16b, 16c) applicables l'une contre l'autre au moyen d'une force réglable.
EP19790101093 1978-06-07 1979-04-10 Procédé et dispositif pour l'alimentation en matériau sous forme de ruban d'une machine de fabrication de tubes par enroulement hélicoidal Expired EP0005717B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782824935 DE2824935A1 (de) 1978-06-07 1978-06-07 Verfahren und vorrichtung fuer die zufuhr des streifenfoermigen ausgangsmaterials zu einer spiralhuelsen-wickelmaschine
DE2824935 1978-06-07

Publications (2)

Publication Number Publication Date
EP0005717A1 EP0005717A1 (fr) 1979-12-12
EP0005717B1 true EP0005717B1 (fr) 1981-02-11

Family

ID=6041231

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19790101093 Expired EP0005717B1 (fr) 1978-06-07 1979-04-10 Procédé et dispositif pour l'alimentation en matériau sous forme de ruban d'une machine de fabrication de tubes par enroulement hélicoidal

Country Status (3)

Country Link
EP (1) EP0005717B1 (fr)
DE (1) DE2824935A1 (fr)
ES (1) ES481280A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20022351A1 (it) * 2002-11-06 2004-05-07 Giovanni Gambini Apparecchiatura per riavvolgere carta in rotolo in discontinuo senza

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2147421A (en) * 1937-03-06 1939-02-14 Westinghouse Electric & Mfg Co Speed regulator
US2679964A (en) * 1950-06-30 1954-06-01 Johnson Rubber Co Receiving apparatus for products of extruding or similar machines
DE1033293B (de) * 1956-11-12 1958-07-03 Haefely & Cie Ag Emil Bandfuehrungsapparat zum Aufwickeln eines Isolierbandes auf einen zu isolierenden Koerper mit einer Bremsvorrichtung
US3044423A (en) * 1960-04-14 1962-07-17 American Can Co Machine for manufacturing fibrous container bodies
US3647128A (en) * 1969-09-17 1972-03-07 Burroughs Corp Web-tensioning device

Also Published As

Publication number Publication date
ES481280A1 (es) 1979-11-16
EP0005717A1 (fr) 1979-12-12
DE2824935A1 (de) 1979-12-20

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