EP0453984B1 - Vorrichtung zum Einrütteln von Blättern - Google Patents

Vorrichtung zum Einrütteln von Blättern Download PDF

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Publication number
EP0453984B1
EP0453984B1 EP91106311A EP91106311A EP0453984B1 EP 0453984 B1 EP0453984 B1 EP 0453984B1 EP 91106311 A EP91106311 A EP 91106311A EP 91106311 A EP91106311 A EP 91106311A EP 0453984 B1 EP0453984 B1 EP 0453984B1
Authority
EP
European Patent Office
Prior art keywords
sheet
rollers
roller
jogging
support
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
EP91106311A
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English (en)
French (fr)
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EP0453984A3 (en
EP0453984A2 (de
Inventor
Jean-Claude Rebeaud
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.)
Bobst Mex SA
Original Assignee
Bobst SA
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Filing date
Publication date
Application filed by Bobst SA filed Critical Bobst SA
Publication of EP0453984A2 publication Critical patent/EP0453984A2/de
Publication of EP0453984A3 publication Critical patent/EP0453984A3/fr
Application granted granted Critical
Publication of EP0453984B1 publication Critical patent/EP0453984B1/de
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
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/16—Inclined tape, roller, or like article-forwarding side registers
    • B65H9/166—Roller

Definitions

  • the present invention relates to a device for jogging elements in the form of plates or sheets, used in a station for introducing a machine for working such elements for the production of packaging, as defined in the preamble of claim 1.
  • such machines generally comprise an introduction station with a margin table provided with a passage the length of which, in the direction of travel of the sheets, is at least equal to that of the maximum format of the sheets to be worked.
  • a sheet is on the margin table, it is stopped by front margin tabs.
  • a pair of rollers or rollers lower and upper pinches an edge of the sheet and, by rotation, pulls it laterally against a lateral jogging rule.
  • the axis of rotation of the two rollers is oriented essentially perpendicular to the direction of travel of the sheets.
  • the lower roller driven in rotation
  • the upper roller free in rotation
  • the upper roller on the one hand, has premature wear since, vulcanized, it is not entrained and, on the other hand, has a tendency to plow the sheet at the first contact when the roller is at stop. It should be noted that in this case the sheet is generally pushed from behind using auxiliary means.
  • the present invention therefore aims to eliminate the drawbacks mentioned above. This object is achieved by means of a jogging device according to claim 1.
  • FIG. 1 shows a packet of sheets F, the last lower of which is taken by a suction table Ta to be transferred between two large rollers R1, R2 intended, as soon as the table Ta has released the sheet F, to pull the latter out of the bottom of the packet to introduce it into the longitudinal passage of a margin table M.
  • This passage is delimited by six pairs P1 - P3 of lower rollers 1 and upper 2.
  • Each lower roll 1 is located below the passage of the sheet, each top roll above.
  • the six pairs P1 - P3 are divided into two groups, one of which is located on the lateral side conductor, and the other on the opposite driver side.
  • the 3 pairs P1 - P3 of each group are distributed over the entire length of the table, that is to say that a first pair P1 is located upstream (relative to the direction of travel of the sheet F), the second P2 in the middle and the third downstream.
  • the length of the margin table M is at least equal to that of the maximum format of sheets to be worked.
  • the lower rollers 1 made of smooth steel, are intended to support and transport the sheet F. All the lower rollers 1 of the same group, mounted in rotation on a side bar 10 (FIG. 2) are extended on the free side by a tip shaft 11 on which is keyed a toothed pulley 12 engaged with a toothed belt 13 driven in motion by a toothed pulley 14 provided at the upstream end of the side bar 10. To allow removing from the table M a sheet F judged to be defective, the lower rollers 1 are retractable so as to drop the sheet down.
  • the downstream end of the bar 10 is mounted in free rotation, around a horizontal axis 17, on a vertical plate 16e by means of a pin 16g serving as a support; the upstream end is fixed to an intermediate block 16a, itself mounted in free rotation on a thick vertical block 167.
  • a first pair of bevel wheels, mounted inside the intermediate block 16a, (shown in broken lines) and a second pair mounted in the vertical block 167 make it possible, from a transverse square bar 70 of movement transmission which is engaged with a bevel wheel of the second pair, the rotation drive of the pulley 14, as well as the tilting of all the lower rollers 1 around the axis 17.
  • the square bar 70 is rotated at one end (by means not shown).
  • the pivoting of the side bar 10 around the axis 17 is achieved by means of a set of rods 18a, 18b and a jack V1 located below the side bar 10.
  • each upper roller 2 is mounted (see fig. 5) on a first support with four flanges which form in pairs two stirrups 20a, 20b opposite and perpendicular to each other. Between the flanges of the first bracket 20a, is mounted an upper roller 2 of so that its axis of rotation is essentially perpendicular to the scroll.
  • An intermediate support 21 enters through a free end inside the second stirrup 20b.
  • the first support 20 is pivotally mounted on the auxiliary support 21 using a vertical pin 22 located in the central part between each stirrup 20a, 20b.
  • the auxiliary support 21 is provided with a hollow cylindrical part 21a fixed and centered at the end of a cylindrical support 25 pivotally mounted, about its horizontal axis, on a side plate 200 extending over the entire length of the margin table M.
  • a vertical rod 23 connects each flange of the second stirrup 20b. Against this rod 23 abuts the outlet end 24 of a pneumatic cylinder V2 provided inside and on the axis of the pivoting support 25.
  • the function of the cylinder V2 is to exert a certain force on the rod 23 of so as to rotate the double stirrup 20 around the axis 22 and thus put the upper roller 2, against the force exerted on it by the sheet which runs, slightly at an angle with respect to the running direction.
  • the control of the jack V2 is carried out so that the roller 2 becomes again parallel to the scrolling when the force exerted by the sheet F is above a certain force, which is the case when the sheet F abuts against the lateral jogging rule 100 and that its direction of travel no longer has a transverse component.
  • a screw 26 fixed on the auxiliary support 21 and against which the rod 23 abuts in order to limit the pivoting of the stirrup 20 in the direction of the roller 2 whose position is in bias.
  • a lever 27 composed of a central part fixed in rotation on the pivoting support 25 and extended both by a vertical arm 27a and a horizontal arm 27b, provided each at its free end of a roller 28a, respectively 28b, serves to control the degree of pivoting of the support 25.
  • the roller 28b of the horizontal lever 27b abuts against an inclined surface of a stop 29 fixed on a movable side bar 29a on which are mounted all the stops 29 of the same group of upper rollers 2.
  • By longitudinal displacement of the bar 29a it is possible, thanks to the inclined surface of the stops 29, to adjust the working position of the upper rollers in height. 2, that is to say the position in which they must press the sheet F against the lower rollers 1.
  • the displacement of the bar 29a is obtained by means of a motor M2 driving a screw 29c engaged with a corresponding thread a bracket 99 fixed below the bar 29a.
  • On the other roller 28a can act the outlet end of a pneumatic cylinder V3 which forces the lever 27 to pivot in a direction which keeps the roller 28b in contact with the stop 29.
  • the cylinder V3 is successively actuated, as soon as the downstream edge of a sheet has entered between the two rollers 1, 2 of the same pair P1 - P3, and put out of action, or when the upstream edge has left the two rollers 1, 2, in sight to facilitate penetration of the front edge of the next sheet, either when the sheet has been gripped by a gripper bar or the rollers 93 and 94 of the device of FIG. 4 described below.
  • a spring 28c holds the roller 28a against the outlet rod of the jack V3.
  • each upper roller is provided with small grooves 2b of elasticity, cooling and wear control, and also with a semi-circular radial groove 2a intended to engage with an endless round belt of drive (not shown) connected to a corresponding auxiliary pulley 50 located nearby.
  • the arrangement of each upper roller 2 and its auxiliary pulley 50 is such that the belt can fulfill its driving function without being hampered by the slight biased positioning of the roller 2.
  • the auxiliary pulley 50 is mounted keyed on the first end of '' a shaft mounted in free rotation on a side plate 300 of the margin table M, on the other end being keyed a toothed pulley 51 engaged with an endless belt (not shown) common to all the upper rollers 2 d 'A single group and driven in movement by a pulley 52 driven in rotation by the transmission shaft 70.
  • each downstream support 16e is transversely displaceable using rollers 181 bearing on a rail 168 of the machine, and each upstream vertical block 167 using a roller 184 bearing on a rail 186.
  • the two side plates 200, 300 are interconnected by horizontal spacers 201.
  • the upper roller 2 located at the upstream end is rotated by an endless belt connected to a pulley 50a mounted on the above the transmission shaft 70 and driven by the latter by means of a pair of gears contained in the vertical block 167 (FIG. 1 in dotted lines).
  • the width of the margin table M is adjusted by means of a screw 188 acting on each vertical block 167.
  • the lateral jogging device comprises a first group of three pairs P1 - P3 of rollers 1, 2 located on the driver side, and a second group located on the side opposite the driver. That has proved useful in order to be able to carry out the jogging of the sheet F with respect to a rule 100 located either on one or the other side, as required. It is clear that if the jogging is carried out according to a rule 100 located on the side opposite the conductor, the upper rollers 2 of the pairs P1 - P3 located on the driver's side are continuously maintained in the rest position. It is therefore also possible in principle to provide only one group of pairs P1 - P3 of rolls 1, 2 distributed only along one side over the entire maximum working format length.
  • the front jogging device shown in FIG. 4 is located directly following that of the side jogging described above, that is to say that the sheet F comes out of the side jogging device and, simultaneously, enters a passage 80, constituted by two lower guide 81 and upper 82 guide plates, of the front jogging device.
  • the front jogging is carried out by means of two mobile cleats 9 each mounted on an endless toothed belt 90.
  • the two mobile cleats 9 are transversely offset. Thereafter, only one cleat 9 will be described, since the other cleat is identical to it.
  • the toothed belt 90 describes a closed loop with return from the top and the going from the bottom is parallel to the passage 80.
  • the belt 90 is guided upstream, that is to say at the entrance of the sheet F, by a pair of pulleys lower 90a and upper 90b, and downstream by another pair of pulleys lower 90c and upper 90d.
  • the upper downstream pulley 90a is used to drive the belt 90.
  • the two belts 90 are of course driven at the same speed.
  • a tensioner 900 is provided for the upper upstream pulley 90b.
  • the stopper 9 is provided with a bearing face 9a against which the front edge of each sheet F will abut when it is pushed forward, at a speed v1 , by the rollers 1, 2 of the anterior lateral jogging device.
  • the speed v1 is greater than that v2 of the movement of the movable cleat 9 (or of the strip 90).
  • the dimensions and speeds v1, v2 of the assembly are chosen so that each time the sheet F is jogged, the cleat 9 enters at speed v2 first in the passage 80, then followed by the sheet F whose front edge will come up against the rear face 9a of the cleat since v1> v2.
  • a displacement at a speed v2 is coaxially associated with a drive roller 93, the peripheral speed of which is equal to v2 and which, in collaboration with a pressure roller 94, located below the sheet F, drives the sheet out of the front jogging device and towards, for example, a station d printing, station with respect to which it is easy to know exactly the longitudinal position of the movable cleat 9 with reference to the rollers 93, 94.
  • the pressure roller 94 is mounted on a balance so as to be able to adjust the distance between the two rollers 93, 94 depending on the thickness of the sheet F.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Collation Of Sheets And Webs (AREA)

Claims (6)

  1. Vorrichtung zum Anlegen von platten- oder bogenartigen Werkstücken (F), für eine Einführstation einer Verarbeitungsmaschine, zum Beispiel zum Stanzen, Fassonieren, Prägen, Drucken und so weiter, zur Herstellung von Verpackungen, die :
    - einen Anlegetisch (M) mit einem horizontalen Durchgang, entlang welchem die Bogen (F) nacheinander durchfahren können und dessen Länge sich in der Durchlaufrichtung über eine Distanz erstreckt, die wenigstens gleich gross ist wie diejenige des maximalen Verarbeitungsformats;
    - wenigstens zwei Rollenpaare (P1 - P3) mit unterer Rolle (1) und oberer Rolle (2) zum seitlichen Anlegen, von welchen die eine (1) unterhalb des Durchgangs angeordnet ist und auf welcher der Bogen (F) eine Abstützung findet, und von welchen die andere (2) oberhalb des Durchgangs eine Ruhestellung, in welcher sie nicht mit dem Bogen in Berührung steht, und eine zweite Arbeitsstellung, in welcher sie den Bogen in Richtung untere Rolle (1) drückt, einnehmen kann, wobei die Drehachse der Rollenpaare (P1 bis P3) mit den Rollen (1, 2) so ausgerichtet sind, dass sie, wenn die untere Rolle (1) gedreht wird, den Bogen (F) in einer sozusagen lotrechten Richtung zu derjenigen des Durchlaufs bewegen, damit ein seitlicher Rand des Bogens (F) gegen ein seitliches Anlegelineal (100) auf dem Anlegetisch (M) anschlägt, während die Rollenpaare (P1 - P3) mit den Rollen (1, 2) auf die ganze Länge des Anlegetisches (M) verteilt sind und die oberen Rollen (2) mit einer Umfangsgeschwindigkeit gedreht werden, die gleich ist wie diejenige der unteren Rollen (1), mit den Zweck, den Bogen (F) in der Durchlaufrichtung zu bewegen, umfasst
    dadurch gekennzeichnet, dass :
    - der Antrieb der unteren Rollen (1) so erfolgt, dass die Richtung ihrer Umfangsgeschwindigkeit sozusagen parallel zu derjenigen des Durchlaufs des Bogens (F) für einen kontinuierlichen Transport während des seitlichen Anlegevorgangs liegt;
    - die besagte Ausrichtung der einzelnen oberen Rollen (2) von einer zur anderen Rolle unabhängig ist und so sein kann, dass ihre Umfangsgeschwindigkeit in einer ersten Stellung leicht schräg verläuft, das heisst, einen Winkel von ungefär 5° bis 10° in bezug auf die Durchlaufrichtung bildet, und die besagte Geschwindigkeit in einer zweiten Stellung sozusagen parallel zu derjenigen des Durchlaufs erfolgt.
    - elastische Mittel (V2) vorgesehen sind, um alle oberen Rollen (2) gegen die Kraft, die vom durchlaufenden Bogen (F) entgegengesetzt wird, von der besagten Ausrichtung parallel zur Durchlauf auf die besagte Schrägausrichtung einzeln zurückzuführen, und;
    - Antriebsmittel (V3) um alle oberen Rollen (2) entweder von der besagten zweiten Arbeitsstellung in die besagte erste Ruhestellung, wenn der Vorderrand des Bogens (F) in die Nähe des entsprechenden Rollenpaars (P1 - P3) gelangt, oder von der besagten ersten Ruhestellung in die besagte zweite Arbeitsstellung zu bringen, sobald der besagte Vorderrand in das Rollenpaar eingelaufen ist.
  2. Vorrichtung gemäss Patentanspruch 1, dadurch gekennzeichnet, dass die besagten Rollenpaare (P1 - P3) mit den Rollen (1, 2) in zwei Gruppen unterteilt sind, deren eine auf der Bedienungsseite und die andere auf der Gegenbedienungsseite angeordnet sind, wobei die unteren Rollen (1) einer Gruppe auf einer seitlichen Stange (10) angeordnet sind, die auf einer horizontalen Achse so drehbar ist, dass die unteren Rollen (1) eine erste Stellung, in welcher sie als Trag- und Transportmittel für den Bogen (F) dienen, und eine zweite Stellung, in welcher ein beschädigter Bogen (F) aus dem Auslegetisch (M) herausfallen kann, einnehmen können.
  3. Vorrichtung gemäss Patentanspruch 2, dadurch gekennzeichnet, dass jede Gruppe der Rollenpaare (P1 - P3) mit den Rollen (1, 2) auf einen Halter (10, 200) montiert sind, der quer verschiebbar ist, damit die Breite des Anlegetisches (M) an die Formatbreite des Bogens (F) angepasst werden kann.
  4. Vorrichtung gemäss einem der vorerwähnten Patentansprüche, dadurch gekennzeichnet, dass der den Anlegetisch (M) verlassende Bogen (F) gleichzeitig mit einer Geschwindigkeit (v1), das heisst, unter Einwirkung wenigstens eines Rollenpaars (P1 - P3) des Anlegetisches (M) in die Vorrichtung zum frontalen Anlegen einläuft, und :
    - einen horizontalen Durchgang (80) in der genauen Verlängerung des aus den unteren Rollen (1) und oberen Rollen (2) des Anlegetisches (M) bestehenden Durchlaufwegs;
    - wenigstens eine bewegliche Vordermarke (9) auf einem Riemen (90), einer Kette oder ähnlichen Mitteln, die einen geschlossenen Umlauf beschreiben, von welchem ein Teil parallel zum horizontalen Durchgang (80) liegt, wobei die Geschwindigkeit (v2) der beweglichen Vordermarke (9) und mithin der Riemen (90) geringer ist als die Geschwindigkeit (v1) des Bogens (F) am Eingang der Vorrichtung zum frontalen Anlegen, damit der Vorderrand des Bogens (F) an eine Seite (9a) der Vordermarke (9) anschlagen kann, umfasst.
  5. Vorrichtung gemäss Patentanspruch 4, dadurch gekennzeichnet, dass die Vorrichtung zum frontalen Anlegen zwei bewegliche Vordermarken (9) umfasst, die beide auf je einen Riemen (90) montiert sind, der seinerseits einen geschlossenen Umlauf mit Rücklauf oben und Vorwärtslauf unten, der parallel zum Durchgang (80) liegt, beschreibt, wobei der Riemen (90) vorn durch eine Umlenkriemenscheibe (90c), die durch eine koaxiale Rolle (93) ergänzt wird, und durch eine obere Riemenscheibe (90d) zum Antrieb des Riemens (90), dessen Unfangsgeschwindigkeit gleich ist wie diejenige (v2) der Anlegemarke (9) oder des Riemens (90) geführt wird, und der in Zusammenwirkung mit einer Pressrolle (94) unterhalb des Bogens (F) denselben aus der Vorrichtung zum frontalen Anlegen herausbefördert.
  6. Vorrichtung gemäss einem der vorerwähnten Patentansprüche, dadurch gekennzeichnet, dass alle oberen Rollen (2) des Anlegetisches (M) auf einen ersten Halter (20) mit vier Flanschen montiert ist, die paarweise zwei Bügel (20a, 20b) bilden, die einander lotrecht gegenüberstehen, dass zwischen den vertikalen Flanschen des ersten Bügels (20a) eine obere Rolle (2) so angeordnet ist, dass ihre Drehachse sozusagen lotrecht zur Bogendurchlaufrichtung liegt, dass ein zwischengelagerter Halter (21) durch das freie Ende in das Innere der beiden horizontalen Flansche des zweiten Bügels (20b) eindringt, dass der erste Halter (20) frei drehend auf dem Hilfshalter (21) entsprechend einer vertikalen Achse (22), die sich im zentralen Teil zwischen den beiden Bügeln (20a, 20b) befindet, angeordnet ist; dass der Hilfshalter 21 mit einem hohlen zylindrischen Teil (21a) versehen ist, der auf das Ende eines zylindrischen Halters (25) montiert und zentriert ist, wobei der letztere um seine horizontale Achse frei drehend auf dem Anlegetisch (M) an einen Stab (23) montiert ist, der als Verbindung für die einzelnen Flansche des zweiten Bügels (20b) dient und auf welchen das Ausgangsende (24) eines im Innern vorgesehenen ersten Druckzylinders (V2) auf die Achse des zylindrischen Drehhalters (25) einwirkt, wobei der erste Druckzylinder (V2) zum Zweck hat, die besagte Schrägstellung der Rolle (2) elastisch zu regulieren, und dass der zylindrische Halter (25) mit zwei winkelmässig auseinander gehaltenen Radialarmen (27a, 27b) versehen sind, an deren Ende ein Anschlag (29) und ein zweiter Druckzylinder (V3) zur Ausrichtung der oberen Rolle (2) in bezug auf die entsprechende untere Rolle (1) einwirken.
EP91106311A 1990-04-25 1991-04-19 Vorrichtung zum Einrütteln von Blättern Expired - Lifetime EP0453984B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1406/90A CH682999A5 (fr) 1990-04-25 1990-04-25 Dispositif de taquage pour une station d'introduction de machine de travail, tel que découpage ou impression, d'élements en plaque ou feuilles en vue de la production d'emballages.
CH1406/90 1990-04-25

Publications (3)

Publication Number Publication Date
EP0453984A2 EP0453984A2 (de) 1991-10-30
EP0453984A3 EP0453984A3 (en) 1993-01-13
EP0453984B1 true EP0453984B1 (de) 1994-10-05

Family

ID=4209699

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91106311A Expired - Lifetime EP0453984B1 (de) 1990-04-25 1991-04-19 Vorrichtung zum Einrütteln von Blättern

Country Status (9)

Country Link
US (1) US5123640A (de)
EP (1) EP0453984B1 (de)
JP (1) JP2602585B2 (de)
AT (1) ATE112534T1 (de)
CA (1) CA2041165C (de)
CH (1) CH682999A5 (de)
DE (1) DE69104406T2 (de)
DK (1) DK0453984T3 (de)
ES (1) ES2062601T3 (de)

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JP4435554B2 (ja) * 2003-12-17 2010-03-17 リョービ株式会社 印刷機の給紙部における紙位置決め装置
JP5511497B2 (ja) * 2009-06-30 2014-06-04 キヤノン株式会社 シート搬送装置及び画像形成装置
ES2548956R1 (es) * 2014-04-21 2015-10-29 Boix Maquinaria, S.L. Sistema para mantener plana una plancha de cartón durante su arrastre desde un módulo cargador hasta un módulo conformador de cajas
CN109623936A (zh) * 2019-01-02 2019-04-16 苏州领裕电子科技有限公司 一种新型键盘胶连线冲孔机
CN110496880B (zh) * 2019-07-04 2020-09-22 新昌县姝达电力科技有限公司 一种以半导体为基础低成本运行的全自动滚圆机
CN114571782A (zh) * 2022-04-12 2022-06-03 天长市君华彩印有限公司 一种纸箱彩印机的送纸装置

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Also Published As

Publication number Publication date
EP0453984A3 (en) 1993-01-13
DE69104406D1 (de) 1994-11-10
CH682999A5 (fr) 1993-12-31
EP0453984A2 (de) 1991-10-30
ATE112534T1 (de) 1994-10-15
DE69104406T2 (de) 1995-02-16
JPH04226333A (ja) 1992-08-17
CA2041165A1 (en) 1991-10-26
CA2041165C (en) 1994-10-11
US5123640A (en) 1992-06-23
ES2062601T3 (es) 1994-12-16
JP2602585B2 (ja) 1997-04-23
DK0453984T3 (da) 1995-04-03

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