EP1012097B1 - Dispositif de guidage d'une bande de papier sans fin - Google Patents

Dispositif de guidage d'une bande de papier sans fin Download PDF

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Publication number
EP1012097B1
EP1012097B1 EP98941309A EP98941309A EP1012097B1 EP 1012097 B1 EP1012097 B1 EP 1012097B1 EP 98941309 A EP98941309 A EP 98941309A EP 98941309 A EP98941309 A EP 98941309A EP 1012097 B1 EP1012097 B1 EP 1012097B1
Authority
EP
European Patent Office
Prior art keywords
paper web
guiding
transport roll
endless
paper
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
Application number
EP98941309A
Other languages
German (de)
English (en)
Other versions
EP1012097A1 (fr
Inventor
Dieter Brückel
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.)
Boewe Systec AG
Original Assignee
Boewe Systec 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 Boewe Systec AG filed Critical Boewe Systec AG
Publication of EP1012097A1 publication Critical patent/EP1012097A1/fr
Application granted granted Critical
Publication of EP1012097B1 publication Critical patent/EP1012097B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely

Definitions

  • the present invention relates to a device for guiding a continuous paper web and in particular on a Device for guiding a continuous paper web without the aid from perforated edges or transport spikes to a subsequent one Paper processing device.
  • a device is also known in the prior art, in the one paper guide device, which is shown in Fig. 6 in more detail is described, a trough structure 100 with a concave or convex surface 102 and shoulders 104.
  • the Shoulders 104 are provided around opposite edges a paper web 106 to engage.
  • the direct distance 108 of shoulders 104 on both sides of the tub structure 100 is smaller than a width 110 of the paper web 106.
  • a corresponding one takes place through the tub structure 100 Deformation of the paper web 106 with respect to the width 110, see that the distance 108 between the edges along the broad sides the paper web 106 in the tub structure 100 less is as the width 110 between these edges.
  • paper web 106 runs from an entrance 112 to an outlet end 114 through the tub structure 100.
  • the shoulders 104 engage the paper edges to to keep the paper in the tub structure and in a straight line Line.
  • the paper web 106 runs through the trough structure 100 to one flat surface 116.
  • Flat surface 116 extends from the concave surface 102 (support structure) of the exit end 114 of tub structure 100 to the alignment wipers 118.
  • Flat surface 116 also has one therein centrally located opening 120.
  • the drive roller 122 is seated.
  • the drive roller 122 is in the opening 120 arranged in a vertical plane, such that that an outer surface 124 made of rubber Drive roller 122 is a little above the flat surface 116 is located.
  • the outer layer 124 of the drive roller 122 engages the underside of paper web 106, as well it runs over the flat surface 106 and conveys the Paper web 106 by rotation of the drive roller 122.
  • Alignment wipers 118 are at the end of the plane Surface 116 provided opposite the tub structure 100, such as it is shown in Fig. 6.
  • Alignment wipers 118 include an upper lip 124 and a lower lip 126
  • a pinch roller 128 is used to on a paper web between the pressure roller 128 and the drive roller 122 passes through to apply pressure, so that the paper web 106 makes contact with the drive roller 122 maintains.
  • the direction of movement of the paper web 106 through the tub structure 100 is represented by arrow 130 in FIG. 6.
  • Such a device is for example from the US 5,213,246 known that by means of a tub structure in which the paper path runs, the paper guide reaches, the Tub structure is made from one piece. Because of that Structure is a separate tub structure for each paper web width required. In addition, with a very wide, thin paper web that runs through the tub structure, only with a very slight increase in the stiffness of the Calculate paper web.
  • the object of a device for Run an endless paper web to create the paper web can handle regardless of their width and thickness, without using tractor equipment or web edge controls become.
  • This task is accomplished by a device for guiding a Continuous paper web solved according to claim 1.
  • the present invention provides an apparatus for guiding an endless paper web, the two side guides, the guide the paper web on its longitudinal edges, and a deflection device through which the paper web moves at least one distraction between the side guides experienced from their direction of movement.
  • the present invention is based on the finding that that by the vertical deflection of the paper web from the Direction of movement an increased stiffness of the paper web is brought about, causing the paper web to run up the side guides or damage to the paper web is avoided if the paper web laterally on the side guides starts.
  • An advantage of the present invention is that the paper costs can be significantly reduced since the Paper webs with unassembled edge are used, thereby avoiding that the transport holes from optical or other reasons in the processing facilities laterally have to be separated again, whereby there is no unnecessary paper consumption and waste and no additional device for cutting off the edge must be provided.
  • a preferred embodiment of the present Invention is made by means of several round bars, between which the paper web runs through, a wavy course or a wavy deflection of the paper web from the Direction of movement reached. Because the deflection of the paper web by adjusting one of the round bars and the distance the side guides on different paper web widths, Paper thicknesses and strengths can be adjusted the device for guiding a continuous web of paper with any paper web width, paper thickness or strength handle.
  • a first preferred embodiment is one Device according to the invention for guiding a continuous paper web shown.
  • a plurality of round bars 10, 12, 14 is between two side walls 16 (only is shown a wall) stored.
  • two lateral side guides 18, 20 are arranged, attached to a cross bar 22 and related the same are axially displaceable.
  • On the cross bar 22 are a plurality of guide strips 24 are also arranged.
  • the first transport roller 26 is non-rotatably attached to a shaft 30 which is in one direction of rotation, indicated by arrow 32 about an axis 34 the shaft 30 is rotatable.
  • a drive roller 36 of the transport roller 26 is via a positive drive belt 38 with a drive roller 40, which on a shaft 42 of a feed motor 44 is attached, connected.
  • An L-shaped bearing block 46 is with respect to a central axis 48 a shaft 50 axially displaceable, a biasing spring 52 on a lower portion of the L-shaped bearing block 46 is attached.
  • a Shaft 56 arranged with a guide 58 for the second Transport roller 28 is connected, wherein the transport roller 28 about an axis 59 arranged in the guide 58 rotates.
  • the shaft 56 is perpendicular to a central axis 60
  • Shaft 56 has two pins 62 provided on it by two springs 64 a spring force is exerted.
  • the central axis 60 is perpendicular to the axis of rotation 34 of the transport roller 26.
  • the pivoting range becomes the second by means of the springs 64
  • Transport roller 28 about the central axis 60 determines how it is is represented by the double arrow 66 in FIG. 1.
  • FIG. 1 also shows an endless paper web 68, that in the direction of movement represented by arrow 70 through the device for guiding a continuous paper web runs and provided on the optional reading marks 72 if they are for further processing of the continuous paper web 68 are required.
  • the inventive device for guiding a Continuous paper web described in more detail.
  • the device for guiding a continuous paper web hereinafter referred to as the paper transport device designated.
  • the paper web 68 is from a stack, a roll or online from a printer (not shown) to the paper transport fed.
  • the two side guides 16, 18 for the paper web 68 are attached to a cross bar 22 and with respect to the same axially displaceable.
  • the laterally adjustable side guides 18, 20 are axially adjusted so that their distance only is slightly wider than paper web 68 wavy course through the round rods 10, 12, 14 receives paper web 68 is so rigid that it is the same when running sideways against the side guides 18, 20 is neither damaged nor can it run up to the same.
  • One or more of the round bars 10, 12, 14, d. H. at three Round bars, preferably the middle round bar 12 is also adjustable in height with respect to the paper web 68, that the size of the paper wave amplitude is 0 (see also Fig. 4) adjustable up to several millimeters is, which makes the resulting stiffness different Paper types can be set.
  • a paper wave amplitude of 0 is preferably set, when a new continuous paper web is in the device is "threaded" for guiding a continuous paper web, or the paper web 68 running through the device is already one has such a high strength that no or only a slight one additional increase in strength to straight Guide the paper web 68 is required.
  • first and second transport rollers 26, 28 a feed is applied to the paper web 68, the first Transport roller 26 is rotatably arranged on the shaft 30 and via the positive drive belt 38 from the feed motor 44 is driven.
  • the second transport roller 28 is on the L-shaped bearing block 46 attached to the axis 48 of the rod 50 is axially displaceable.
  • the biasing spring 52 which, as shown in Fig. 1, in an on the L-shaped bearing block 46 is arranged, the second transport roller 28 biased against the first transport roller 26, d. H. the Transport roller 28 is opened with a certain spring force the transport roller 26 pressed.
  • the second transport roller 28 is also rotatable about the axis of rotation 60 in the bearing block 46 arranged, the axis of rotation 60 perpendicular and positioned centrally to the axis 34 about which the shaft 30 rotates is.
  • each one Apply spring force to the two pins 60 that are perpendicular the shaft 56 and are arranged parallel to the axis 59, can be the rotational position or the swivel range for a pendulum movement when aligning the paper web 68 of the second Transport roller 28 can be set.
  • the lower transport roller 26 of the transport roller arrangement is preferably made of steel and has an exact Diameter so that it is guaranteed that there are deformations or thermal expansion, as with other materials occur to a greater extent, not negatively to one constant transport path of the paper web 68 per revolution of the Impact drive.
  • the upper transport roller 28 of the transport roller assembly is with an elastomer coating with a high coefficient of friction to avoid a possible Slip between the upper transport roller 28 and to avoid the continuous paper web 68.
  • the upper transport roller 28, which has an elastomer coating is provided with a high coefficient of friction Biasing spring 52 against the L-shaped bearing block 46 lower transport roller 26 biased.
  • the pair of transport rollers 26, 28 is axially displaceable on the shafts 30 and 46, so that the pair of transport rollers 26, 28 centered on the paper web can be aligned.
  • the upper transport roller 28, which serves as a pinch roller, is also in the L-shaped Bearing block 46 rotatably supported, its axis of rotation 60 arranged perpendicularly and centrally to the axis of rotation 32 of the roller 26 is.
  • roller 28 automatically aligns parallel to the roller 26.
  • roller 28 can also be used during the alignment process perform the associated pendulum motion.
  • FIGS. 1 to 5 The following are elements that are identical in FIGS. 1 to 5 are arranged and formed with the same reference numerals designated.
  • FIG. 2a is an alternative transport roller arrangement for Setting the rotational position of the transport roller 28 shown.
  • FIG. 2 shows Another embodiment in which the axis of rotation 60 Roller 28 via adjustable locking screws 74, d. H. by turning the screw heads 75, exactly to the barrel Side guides 18, 20 are aligned and determined can. This prevents the transport roller 28 from executes the previously described pendulum movement, by means of which is an inclined paper web 68 parallel to the lateral guide strips 18, 20 is aligned, whereby it is avoided that a paper web made of a very thin and sensitive paper is damaged, d. H. wrinkled or even tears.
  • the swiveling range 66 of the transport roller 28 can to the embodiment shown in Fig. 1, in which two springs 64 are used by means of the two locking screws 74 can be achieved.
  • the axis of rotation is preferably 59, around which the transport roller 28 rotates, parallel to the Axis of rotation 32 of the transport roller 26 aligned. How it works the transport roller arrangement of Fig. 2 is otherwise with that of the transport roller arrangement of FIG. 1 identical.
  • Fig. 2b is an alternative arrangement for biasing the Bearing blocks 46 and thus the upper transport roller 28 against shown under the transport roller 26.
  • the bearing block 46 is rotatably fixed connected to the shaft 50, the bearing block 46 additionally can be axially displaceable with respect to the shaft 50.
  • the lower portions 75b a Have opening to receive the shaft 50, the lower sections 75b of the connecting struts 75a rotatably are connected to the shaft 50.
  • the top sections of the Connecting struts 75a are two L-shaped stop members 75c opposite, which have a recess 75d to the L-shaped stop members 75c on a support structure to attach (not shown). Between the opposite Connecting struts 75a and the L-shaped stop members A compression spring 75e is provided in each case 75c.
  • a paper transport device is shown, on which a reading device 76 is arranged, the preferably on the side facing the paper web 68 is provided above the adjustable round rod 12, wherein the reading device 76 corresponds to that perpendicular to that in FIG Direction of movement of the paper web 68 adjustable round rod 12 by means of an adjusting device 78 with respect to the direction of adjustment, that represented by the double arrow 80 is adjustable.
  • the reading device 76 detects them Markings 72 located on the paper web 68 are preferably with an optical device 77.
  • the adjusting device 78 will both the vertical position of the Round rod 12, and thus the deflection of the paper web 68, as well as the position of the reading device 76.
  • the position of the round bar 12 is set such that the paper web 68 does not experience any deflection.
  • the different, adjustable positions of the adjustable Round rod 12 and thus the deflection of the paper web 68 are provided to the deflection of the paper web 68 to the Speed at which the paper web 68 passes through the paper guide runs, taking into account the paper strength, paper rigidity, resilience or to be able to adjust the paper thickness.
  • the reading device 76 and the adjustable round rod 12 becomes a constant predefined distance between the over the adjustable round bar 12 running paper web 68 and of the reading device 76 with which the format length control, z. B. required in paper cutting devices Read marks 72 can be detected or read.
  • the arrangement of the guide rods 10, 12, 14 and Reading device 76 can vary between a maximum Deflection of the paper web 68 and a minimal or no deflection of the paper web 68 (see FIG. 4) is set as already described above has been.
  • FIG. 5 is a side sectional view of the paper transport device with an alternative arrangement of the paper guide rods 10, 12, 14 and the marker reading device 76 shown.
  • FIG. 5 shows one compared to FIG. 4 Mirror-symmetrical attachment of the reading device 76 and the adjusting device 78 with respect to the direction of movement the paper web 68.
  • This variant for arranging the reading device 76, the adjusting device 78 and the round bars 10, 12, 14 is used when the reading device 76 marks 72 to be detected on the Transport roller 28 facing side of the paper web 68.
  • Another arrangement of the reading devices 76 and Round bars 10, 12, 14 is the reading devices 76 on both sides of the paper web each on that of the paper web 68 facing side over any round bar 10, 12, 14 provide, whereby the to be detected Markings 72 on any side of the paper web 68 can be provided and reading the reading marks 72 is guaranteed.
  • the attachment of the reading facilities 76 is not limited to the reading devices 76 absolutely above the adjustable round bar 12 are arranged, but the same can also over another round bar 10, 12, 14 are located.
  • any Number of round bars may be provided, including several adjustable round bars can be used to make a to allow multiple deflection of the paper web 68. Further can, for example, several corresponding deflection arrangements, which consist of several round bars or corresponding the first preferred embodiment are arranged at predefined intervals in order a straight and correct guidance of a continuous paper web too enable over longer distances.
  • the execution of the for the deflection of the continuous paper web 68 provided round bars with respect to the in 1 to 5 shown form may be changed. It can z. B. several roles are provided, the axial and evenly spaced rotatable on the round bars are, with two outer roles conclusively related the side guides or the side guide rails arranged are so that the edges of the paper web 68 are perpendicular to the side guides run, d. H. just perpendicular to the Start side guides. This means a smaller contact area, on which the continuous paper web 68 over the corresponding Rolling runs, reached.
  • the reading device 76 can be located at another location than over a round bar, for example the adjustable one Round rod, be arranged, but be guaranteed must be the distance between the paper web 68 and the corresponding Reading device 76 is kept constant an exact and error-free reading of the on the paper web 68 arranged reading marks 72 to ensure.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Advancing Webs (AREA)
  • Replacement Of Web Rolls (AREA)

Claims (13)

  1. Dispositif de guidage d'une bande de papier sans fin (68), avec
    deux guides latéraux (18, 20) guidant la bande de papier (68) sur ses côtés longitudinaux ;
    un dispositif de retour par lequel la bande de papier subit, lors de son déplacement entre les guides latéraux (18, 20), au moins une déviation par rapport à sa direction de déplacement ; et
    un premier rouleau de transport (26) sur un arbre (30) pouvant être entraíné et un second rouleau (28) destiné à appliquer une avance à la bande de papier (68) passant entre le premier (26) et le second (28) rouleau de transport.
  2. Dispositif de guidage d'une bande de papier sans fin (68) selon la revendication 1, dans lequel la bande de papier (68) passe de manière ondulée à travers le dispositif de retour de la bande de papier (68).
  3. Dispositif de guidage d'une bande de papier sans fin selon la revendication 1 ou 2, dans lequel le dispositif de retour de la bande de papier (68) présente une pluralité de barres rondes (10, 12, 14).
  4. Dispositif de guidage d'une bande de papier sans fin (68) selon la revendication 3, dans lequel le dispositif de retour de la bande de papier (68) est conçu de trois barres rondes (10, 12, 14), au moins l'une des barres rondes (10, 12, 14) pouvant être déviée perpendiculairement à la direction de déplacement de la bande de papier (68), pour faire passer la bande de papier (68) dans le sens de déplacement de manière ondulée entre les barres rondes (10, 12, 14).
  5. Dispositif de guidage d'une bande de papier sans fin (68) selon la revendication 1, dans lequel les deux guides latéraux (18, 20) de la bande de papier sont réalisés par deux plaques de guidage disposées en parallèle dans le sens de déplacement de la bande de papier (68), la distance entre les deux plaques de guidage disposées en parallèle étant réglable axialement.
  6. Dispositif de guidage d'une bande de papier sans fin (68) selon l'une des revendications 1 à 5, dans lequel le second rouleau de transport (28) est prétendu à l'aide d'un ressort (52 ; 75e) contre le premier rouleau de transport (26).
  7. Dispositif de guidage d'une bande de papier sans fin (68) selon l'une des revendications 1 à 6, dans lequel le second rouleau de transport (28) est disposé de manière rotative, par rapport au premier rouleau de transport (26), autour d'un axe de rotation (60) sensiblement perpendiculaire à l'arbre d'entraínement (30) du premier rouleau de transport (26).
  8. Dispositif de guidage d'une bande de papier sans fin (68) selon la revendication 7, dans lequel un mouvement rotatif autour de l'axe de rotation est limité par des ressorts (64).
  9. Dispositif de guidage d'une bande de papier sans fin (68) selon l'une des revendications 1 à 8, dans lequel le second rouleau de transport (28) est disposé, de manière tournée par rapport au premier rouleau de transport (26), autour d'un axe de rotation (60) sensiblement perpendiculaire à l'arbre d'entraínement du premier rouleau de transport (26).
  10. Dispositif de guidage d'une bande de papier sans fin (68) selon la revendication 9, dans lequel la position tournée du second rouleau de transport (28) est réglable par rapport au premier rouleau de transport (26), à l'aide de vis (74).
  11. Dispositif de guidage d'une bande de papier sans fin (68) selon l'une des revendications 1 à 10, dans lequel le premier rouleau de transport (26) est réalisé en acier et le second rouleau de transport (28) est muni d'un revêtement élastomère.
  12. Dispositif de guidage d'une bande de papier sans fin (68) selon l'une des revendications précédentes, dans lequel est prévu un dispositif de lecture (76) destiné à lire des repères (72) disposés sur la bande de papier (68).
  13. Dispositif de guidage d'une bande de papier sans fin (68) selon la revendication 9, avec renvoi aux revendications 3 à 11, dans lequel le dispositif de lecture (76) est prévu du côté orienté vers la bande de papier (68), au-dessus de la barre ronde déplaçable (12) de la pluralité de barres rondes (10, 12, 14), et peut être déplacé en conséquence, perpendiculairement à la barre ronde (12) déplaçable dans le sens de déplacement de la bande de papier (68), afin de garantir une distance constante prédéfinie entre le dispositif de lecture (76) et la bande de papier (68).
EP98941309A 1997-09-12 1998-07-09 Dispositif de guidage d'une bande de papier sans fin Expired - Lifetime EP1012097B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19740222 1997-09-12
DE19740222A DE19740222A1 (de) 1997-09-12 1997-09-12 Vorrichtung zum Führen einer Endlospapierbahn
PCT/EP1998/004268 WO1999014147A1 (fr) 1997-09-12 1998-07-09 Dispositif de guidage d'une bande de papier sans fin

Publications (2)

Publication Number Publication Date
EP1012097A1 EP1012097A1 (fr) 2000-06-28
EP1012097B1 true EP1012097B1 (fr) 2002-03-20

Family

ID=7842205

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98941309A Expired - Lifetime EP1012097B1 (fr) 1997-09-12 1998-07-09 Dispositif de guidage d'une bande de papier sans fin

Country Status (7)

Country Link
US (1) US6354478B1 (fr)
EP (1) EP1012097B1 (fr)
JP (1) JP2001516690A (fr)
CA (1) CA2296118C (fr)
DE (2) DE19740222A1 (fr)
ES (1) ES2170519T3 (fr)
WO (1) WO1999014147A1 (fr)

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JP4715609B2 (ja) * 2006-04-17 2011-07-06 船井電機株式会社 画像形成装置
CN104786551B (zh) * 2015-04-16 2018-02-23 温州中科包装机械有限公司 包装盒纸张限厚机构
CN104786550B (zh) * 2015-04-16 2018-02-23 温州中科包装机械有限公司 包装盒纸张限厚限宽机构
CN105459441B (zh) * 2016-01-06 2018-04-10 周崇仪 天地盖纸盒成型机进纸机构
CN107840188B (zh) * 2017-11-28 2023-09-08 桐乡越顺经编有限公司 一种纱线传送调节机构
CN112897169A (zh) * 2021-01-15 2021-06-04 广东圳通铝模科技有限公司 一种铝膜整平装置
CN114214826A (zh) * 2021-12-16 2022-03-22 邵阳东信棉业有限公司 一种面料生产用除尘装置

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Also Published As

Publication number Publication date
EP1012097A1 (fr) 2000-06-28
DE59803455D1 (de) 2002-04-25
CA2296118A1 (fr) 1999-03-25
DE19740222A1 (de) 1999-03-25
JP2001516690A (ja) 2001-10-02
WO1999014147A1 (fr) 1999-03-25
US6354478B1 (en) 2002-03-12
CA2296118C (fr) 2002-07-09
ES2170519T3 (es) 2002-08-01

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