EP0694493B2 - Dispositif de pliage - Google Patents

Dispositif de pliage Download PDF

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Publication number
EP0694493B2
EP0694493B2 EP95101525A EP95101525A EP0694493B2 EP 0694493 B2 EP0694493 B2 EP 0694493B2 EP 95101525 A EP95101525 A EP 95101525A EP 95101525 A EP95101525 A EP 95101525A EP 0694493 B2 EP0694493 B2 EP 0694493B2
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EP
European Patent Office
Prior art keywords
shafts
folding
folding knives
drive
run
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
EP95101525A
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German (de)
English (en)
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EP0694493A1 (fr
EP0694493B1 (fr
Inventor
Hermann Schäfer
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Individual
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Individual
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Publication date
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Publication of EP0694493B1 publication Critical patent/EP0694493B1/fr
Publication of EP0694493B2 publication Critical patent/EP0694493B2/fr
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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
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/20—Zig-zag folders

Definitions

  • the invention relates to a folding device according to the preamble of claim 1.
  • Another folding device is from GB-A-494 414. She uses folding plates in connection with horizontal guide plates to guide between them Flat material such as paper, cardboard u. the like by means of cam-controlled rods or fingers like a harmonica to fold.
  • a main feature of the invention is in the characterizing Part of claim 1 specified. Refinements are the subject of claims 2 to 20th.
  • a folding device with two motor-driven Folding knives which are mounted on shafts Cam disks vertically relative to each other are movable, with an infeed table for folding Material and with a back pressure path sees the Invention according to claim 1 before that the waves with their Drives vertically displaceable against each other and are synchronously coupled.
  • An adjustment the folding can be done quickly and easily without tools or other aids are carried out.
  • Readjusting the fold height is possible at any time also possible during folding, so that switching off the folding device is no longer necessary.
  • By the synchronous coupling of the waves becomes an exact one Parallelism of the folds regardless of the fold height guaranteed.
  • the drives are electronic coupled motors. This ensures an extraordinary good synchronicity of the waves and thus the Movement of the folding knife, what an exact fold height is of great importance. In addition, the operational reliability very high.
  • the Drives the shafts T-gearbox on a common Have engine In the formation of claim 3, the Drives the shafts T-gearbox on a common Have engine.
  • the arrangement of the folding machine can be carried out extremely space-saving.
  • the usage a common motor is reduced in advantageous The circuitry effort, what the inexpensive manufacture of the folding device contributes.
  • the T gear of the waves coupled.
  • the coupling of the T gear the shafts with timing belts or chains suitable gears according to claim 6 is very robust and low wear.
  • Another advantageous coupling variant emerges from claim 7, according to the drives of the shaft cardan shafts with their own Have transmissions by at least one engine are driven.
  • the fold height is by procedure the upper and / or lower shaft quickly and accurately adjustable.
  • the use of a pillar frame or a rail guide, as provided in claim 12, offers safe and exact storage, which is also very is reliable and robust.
  • Each folding knife is preferred according to claim 13 assigned to at least two cams, which is different from conventional folding machines with just one cam a much quieter one Run results and the noise development significantly is reduced.
  • the folding knife each rotatable two linear slides, each coupled with a cam in a vertical linear guide, e.g. one Column frame or a rail guide, stored are. In this way, the folding knives move exactly parallel to each other, so that across the entire pleat width a uniform pleat height is achieved.
  • the design is particularly advantageous according to claim 16, after which the shafts at least two, preferably three, eccentric discs are arranged in synchronism with the cams each connected to the folding knives Load the rocker arm. Bending the shaft when Loading the folding knife is done in a reliable way Avoided way. In particular, folding stronger ones Materials such as strong cardboard, plastic sheets or sheet metal, can run safely and easily become.
  • Display devices for continuous display the height adjustment of the folding knife, the infeed table and the upper mold plate or the upper table increase ease of use according to claim 20 and operational security.
  • the folding device shown in Fig. 1 and Fig. 2 10 has two in a frame 11 by means of cams 40, 41 vertically movable folding knives 20, 21, one depending on the folding knives 20, 21 height adjustable Inlet table 60 and a back pressure section 80 as outlet for folded material M.
  • a Control panel 90 contains all the important control displays and controls such as Switches, controls and Display fields for speed regulation or setting the fold height. It is movable on the frame 11 attached and preferably pivotable by 180 °, so that the display panels from all positions on the folding device are legible. Switching not shown and control elements for electrical and pneumatic Control are separated into the (not shown) Machine cover integrated and also light accessible.
  • the cam disks 40, 41 have cam grooves 42, 43 on (Fig. 3) and are each at the ends of a lower and an upper main shaft 30, 31 fixedly mounted. These are rotatably supported in bearings 32, 33, the bearings 32 of the upper main shaft 30 in side parts 14 of the frame 11 and the bearing 33 of the lower Main shaft 31 on linear slide 37 of a vertical Column frame 38 are attached (Fig. 4).
  • the main shafts 30, 31 are with T gears 53, 54 connected, of which the upper with a side part 14 and the lower screwed to the linear slide 37 is. Both T gears 53, 54 are preferred coupled via a rack 55, so that for the Drive only one electric motor 52 is necessary, for example connected to the lower T gear 54 is. This way is simple and low Averaging an exactly synchronous rotary movement of the Waves 30, 31 guaranteed.
  • the use of T gears 53, 54 and only one electric motor 52 allowed also an extremely space-saving structure of the folding device 10.
  • the coupling of the T gear 53, 54 can also be via a Schmitzkupplung or with the help of timing belts or chains.
  • the folding knives 20, 21 are each with a knife bar 22, 23 screwed and between two upper Linear slide 24 or two lower linear slides 25 held in bearings 26.
  • the upper linear carriages 24 slide on vertical pillar frames 27, which in the Side parts 14 are arranged while the lower Linear slide 25 seated on vertical column frames 28, which together with the lower main shaft 31 in the linear slide 37 are arranged (FIG. 4).
  • the cutter bars 22, 23 have, as FIG. 6 shows, additionally rocker arm 45. These are preferred outside and in the middle on the cutter bar 22, 23 screwed.
  • tension springs 47 At the free ends of the rocker arms 45 attack tension springs 47, each together with a pivoted lever arm 48 on the side parts 14, the linear slide 37 and in the middle of the Folding knife 20, 21 for example on pedestals 18 are attached.
  • the pivotable lever arms 48 have rollers or ball bearings 49 at their free ends.
  • the rocker arms 45 are countered by the springs 47 the rollers or ball bearings 49 of the lever arms 48 are pulled, so that they rest on the eccentric discs 44.
  • the rollers follow when the shafts 30, 31 are rotated 49 the contours of the eccentric discs 44 and transferred this movement on the rocker arm 45.
  • the cutter bars 22, 23 are synchronized in this way Up and down movement of the folding knife 20, 21 additionally loaded, causing the beams 22, 23 to bend is effectively avoided during the folding process.
  • FIG. 7 In another embodiment according to FIG. 7 are the linear slides 24, 25 of the folding knives 20, 21 together with the linear slide 37 of the main shafts 30, 31 on a common column frame 38 led (see also Fig. 8a, Fig. 8b). That on the sled 37 of the lower main shaft 31 fixed T gear 54 is connected to a lifting spindle drive 56, the linear slide 37 along the column frame 38 moves. The setting of the fold height H can be done automatically.
  • the leverage ratio is preferably 2: 1, so that at one maximum fold height H of e.g. 50 mm the infeed table is raised or lowered by up to 25 mm.
  • Fork joints arranged on both sides are for horizontal Table movement extremely advantageous.
  • a tension control of the incoming material M is done, for example, by a light S-loop a sprung dancer roller 62.
  • the preload of the dancer 63 in a known manner e.g. adjustable with springs. At high acceleration the move is made by dancer 63 and then by the roller 62 added.
  • the upper format limit is set by a formed as a top plate 65, the at least two air pressure cylinders 66 is loaded and depending on a (not shown) column frame is held displaceably by the fold height H.
  • the Movement of the linear slide 37 and thus the lever arrangement 61 can be opened in a simple manner transmit the movement of the upper table 65 by e.g. spindles 67 attached thereto on the lever arrangement 61 put on.
  • the parallelism of the upper table 65 can be adjusted by fine adjustment if necessary the height set on both sides is constantly displayed on the control panel 90.
  • the back pressure path 80 has at least four Air pressure cylinder 82, the two sliding shoes 84 and so that the leaking material M burden.
  • the pressure regulation is the same as for the printing cylinders 66 of the upper table 65 over fine pressure reducer.
  • inlet table 60 in the outlet table 70 and in the mold plate 65 are independent of each other controllable (not shown) heaters integrated.
  • the control range is preferably between 20 ° C and 200 ° C. Good thermal contact between the sensors and the hot plates is filled by filling the one reached screw holes with thermal oil.
  • a light barrier can determine whether Material M is in the folding device 10 so that a high level of operational security is guaranteed.
  • the actual fold height H is determined using a Measuring unit or device (not shown in detail) 86 constantly monitored. This is behind the slide shoes 84 and is over the entire Working width A movable (Fig. 2). Inaccuracies that occur the fold height H are recognized immediately and can be done by readjusting the linear slide 24, 25 or 37 via the lifting spindle drive 56 be corrected during operation. about an inductive tap on the cutter shafts 30, 31 the folds are counted and counted by one Counter registered. Another counter determines the elements manufactured per unit of time. All measured Information is displayed on the control panel 90 displayed.
  • both Main shafts 30, 31 with the drives 50, 51 in linear slides 24, 25 be mounted so that the fold height H can be adjusted by moving both shafts 30, 31, what by means of (not shown) measuring system and limit switch is easy to control.
  • the material inlet and outlet can be with a two or more lanes Leadership. So far - for labeling, for example - A spray device can be desired attach easily in the area of the material inlet.
  • An adjustable timer can, for example exactly determines the length of a marking become.
  • a Folding device 10 preferably two motor-driven folding knife 20, 21, which means Cam discs 40, 41 supported on shafts 30, 31 are vertically movable relative to each other, one synchronously with the folding knives 20, 21 vertically in height adjustable infeed table 60 for material to be folded M and a back pressure path 80 with at least one Pressure cylinder 82 per slide shoe or pressure plate 84 owns.
  • the shafts 30, 31 are with their drives 50, 51 formed vertically displaceable against each other and synchronously coupled, e.g.
  • a measuring device 86 behind the slide shoes 84 is over the entire Working width A movable. Indicators 90 are used for the continuous display of the height adjustment the folding knife, the infeed table 60 and the upper one Form plate or upper table 65.

Claims (20)

  1. Dispositif de pliage (10) avec deux couteaux de pliage (20, 21) entraínés par moteur, qui peuvent être déplacés verticalement et relativement l'un vers l'autre à l'aide de disques à came (40, 41) logés sur des arbres (30, 31), avec une table d'arrivée (60) pour la matière à plier (M), et avec une piste de contre-pression (80), caractérisé par le fait que les arbres (30, 31), avec leurs dispositifs d'entraínement (50, 51), peuvent être déplacés verticalement l'un par rapport à l'autre et sont couplés synchroniquement.
  2. Dispositif de pliage selon la revendication 1, caractérisé par le fait que les dispositifs d'entraínement (50, 51) sont des moteurs couplés électroniquement.
  3. Dispositif de pliage selon la revendication 1, caractérisé par le fait que les dispositifs d'entraínement (50, 51) des arbres (30, 31) ont des transmissions en T (53, 54) possédant un moteur commun (52).
  4. Dispositif de pliage selon la revendication 3, caractérisé par le fait que les transmissions en T (53, 54) des arbres (30, 31) sont couplées par un arbre cannelé (55) ou une rainure à clavette.
  5. Dispositif de pliage selon la revendication 3, caractérisé par le fait que les transmissions en T (53,54) des arbres (30, 31) sont reliées par un accouplement Schmitz.
  6. Dispositif de pliage selon la revendication 3, caractérisé par le fait que les transmissions en T (53, 54) des arbres (30, 31) sont couplées par des courroies dentées ou par des chaínes avec des transmissions appropriées.
  7. Dispositif de pliage selon la revendication 1, caractérisé par le fait que les dispositifs d'entraínement (50, 51) des arbres (30, 31) ont des arbres cardans avec une transmission propre, qui sont entraínés par au moins un moteur.
  8. Dispositif de pliage (10) avec deux couteaux de pliage (20, 21) entraínés par moteur, qui peuvent être déplacés verticalement et relativement l'un vers l'autre à l'aide de disques à came (40, 41) logés sur des arbres (30, 31), avec une table d'arrivée (60) pour la matière à plier (M), et avec une piste de contre-pression (80), selon une des revendications 2 à 7, caractérisé par le fait que les arbres (30, 31), avec leurs dispositifs d'entraínement (50, 51), peuvent être déplacés l'un vers l'autre au moyen d'un dispositif entraínement réglable (56).
  9. Dispositif de pliage selon la revendication 8, caractérisé par le fait que le dispositif d'entraínement (56) est un dispositif d'entraínement de montée et de descente.
  10. Dispositif de pliage (10) avec deux couteaux de pliage (20, 21) entraínés par moteur, qui peuvent être déplacés verticalement et relativement l'un vers l'autre à l'aide de disques à came (40, 41) logés sur des arbres (30, 31), avec une table d'arrivée (60) pour la matière à plier (M), et avec une piste de contre-pression (80), selon une des revendications 2 à 9, caractérisé par le fait que les arbres (30, 31), avec leurs dispositifs d'entraínement (50, 51), peuvent être déplacés l'un vers l'autre moyennant une commande à cames, par exemple un entraínement par excentrique.
  11. Dispositif de pliage selon une des revendications 1 à 10, caractérisé par le fait qu'au moins un arbre (31) avec dispositif d'entraínement (51) est logé dans glissoir linéaire (37) d'un guidage linéaire vertical (38).
  12. Dispositif de pliage selon la revendication 11, caractérisé par le fait que le guidage linéaire (38) a un bâti à colonnes ou un guidage par rails.
  13. Dispositif de pliage selon une des revendications 1 à 12, caractérisé par le fait qu'au moins deux disques à came (40, 41) sont associés à chaque couteau de pliage (20, 21).
  14. Dispositif de pliage selon une des revendications 1 à 13, caractérisé par le fait que les couteaux de pliage (20, 21) sont logés respectivement de manière rotative, sur deux glissoirs linéaires (24, 25) couplés à un disque à came respectif (40, 41), dans des guidages linéaires verticaux (27, 28).
  15. Dispositif de pliage selon la revendication 14, caractérisé par le fait que les guidages linéaires (27, 28) ont des bâtis à colonnes ou des guidages par rails.
  16. Dispositif de pliage (10) avec deux couteaux de pliage (20, 21) entraínés par moteur, qui peuvent être déplacés verticalement et relativement l'un vers l'autre à l'aide de disques à came (40, 41) logés sur des arbres (30, 31), avec une table d'arrivée (60) pour la matière à plier (M), et avec une piste de contre-pression (80), selon une des revendications 1 à 15, caractérisé par le fait qu'au moins deux, de préférence trois disques d'excentrique (44) sont disposés sur les arbres (30, 31), ces disques chargeant synchroniquement avec les disques à came (40,41) des leviers basculants (45) couplés aux couteaux de pliage respectifs (20, 21).
  17. Dispositif de pliage selon une des revendications 1 à 16, caractérisé par le fait que la table d'arrivée (60) et une plaque-modèle supérieure ou table supérieure (65) sont réglables verticalement en hauteur, synchroniquement avec les couteaux de pliage (20, 21), par exemple au moyen d'un entraínement de montée et de descente réglable ou d'un agencement de leviers.
  18. Dispositif de pliage selon une des revendications 1 à 17, caractérisé par le fait qu'il y a une piste de contre-pression (80) avec au moins un cylindre de pression (82) par patin ou plaque de pression (84).
  19. Dispositif de pliage selon une des revendications 1 à 18, caractérisé par le fait qu'un dispositif de mesure (86) derrière les patins (84) peut être déplacé sur toute la largeur de travail (A).
  20. Dispositif de pliage selon une des revendications 1 à 19, caractérisé par des dispositifs d'affichage (90) affichant continuellement le réglage en hauteur des couteaux de pliage (20, 21), de la table d'arrivée (60) et de la plaque-modèle supérieure ou table supérieure (65).
EP95101525A 1994-07-28 1995-02-04 Dispositif de pliage Expired - Lifetime EP0694493B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9412210U 1994-07-28
DE9412210U DE9412210U1 (de) 1994-07-28 1994-07-28 Faltvorrichtung

Publications (3)

Publication Number Publication Date
EP0694493A1 EP0694493A1 (fr) 1996-01-31
EP0694493B1 EP0694493B1 (fr) 1997-07-30
EP0694493B2 true EP0694493B2 (fr) 2001-02-14

Family

ID=6911726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95101525A Expired - Lifetime EP0694493B2 (fr) 1994-07-28 1995-02-04 Dispositif de pliage

Country Status (6)

Country Link
US (1) US5961435A (fr)
EP (1) EP0694493B2 (fr)
AT (1) ATE156093T1 (fr)
CZ (1) CZ281765B6 (fr)
DE (2) DE9412210U1 (fr)
ES (1) ES2106576T5 (fr)

Families Citing this family (18)

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DE9412210U1 (de) † 1994-07-28 1994-12-01 Schaefer Hermann Faltvorrichtung
DE19538519C2 (de) * 1995-10-05 1997-09-11 Rabofsky Karl Gmbh Messerfaltmaschine
DE19746734C2 (de) * 1997-10-13 2002-02-07 Uwe Baensch Messerfaltvorrichtung
DE10253994B4 (de) * 2002-11-19 2005-12-15 Karl Rabofsky Gmbh Faltmaschine mit translatorischem Antrieb
DE10253993B4 (de) * 2002-11-19 2008-03-27 Karl Rabofsky Gmbh Faltmaschine mit Antriebsschwinge
DE102006054100B4 (de) * 2006-11-15 2009-08-13 Karl Rabofsky Gmbh Verfahren und Messerfaltmaschine zum Herstellen von Stehfalten unter variablem Gegendruck
EP1988042B1 (fr) * 2007-05-02 2010-04-14 FT Automation GmbH & Co. KG Dispositif et méthode de pliage d'une bande de materiau
DE102008050454B3 (de) * 2008-10-08 2009-12-17 Karl Rabofsky Gmbh Verfahren und Faltvorrichtung zum Herstellen von Faltenpaketen mit variabler Faltenhöhe
CN102849521B (zh) * 2012-08-31 2015-02-18 苏州一致电子制程有限公司 折页机电动折页机构
CN102849519B (zh) * 2012-08-31 2015-11-18 苏州一致电子制程有限公司 移动式折页栅栏
CN103538294B (zh) * 2013-10-18 2015-12-02 浙江大学宁波理工学院 折纸机
CN103963358B (zh) * 2014-04-16 2016-08-03 蚌埠市高德机械自动化科技有限公司 一种用在滤清器滤纸生产过程中的折纸装置
PL3146097T3 (pl) 2014-05-21 2022-02-14 V-Lap Pty. Ltd. Napęd maszyny docierającej
CN104444531B (zh) * 2014-11-24 2017-02-08 盐城市华森机械有限公司 柔性材料接送堆垛装置
CN108249206B (zh) * 2016-12-29 2020-04-17 航天信息股份有限公司 发票折叠装置、发票折叠系统及发票自助终端
CN108840130A (zh) * 2018-05-11 2018-11-20 上海峰晟机械设备有限公司 往复式折纸机进料高度调整装置
EP3792208B1 (fr) * 2019-09-10 2022-11-09 Roth Composite Machinery GmbH Dispositif de pliage pour bandes de matières planes
CN113306767B (zh) * 2021-05-26 2022-09-27 湖南龙建达电子科技有限公司 一种机械电子工程电阻生产用整理装置

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US2801671A (en) † 1955-08-29 1957-08-06 Westinghouse Electric Corp Manufacture of X-ray apparatus
US3269091A (en) † 1962-09-19 1966-08-30 Bartelt Engineering Co Inc Cartoning machine
US3262242A (en) † 1963-08-06 1966-07-26 Adrian T Godschalx Control circuit
US3805474A (en) † 1971-12-23 1974-04-23 D Gerstein Package construction and method for forming a strip of individual impregnated tissues into containers
US3957386A (en) † 1975-02-18 1976-05-18 Lupke Manfred Arno Alfred Corrugated tubing perforating machine
CZ281765B6 (cs) † 1994-07-28 1997-01-15 Hermann Schäfer Skládací zařízení

Also Published As

Publication number Publication date
US5961435A (en) 1999-10-05
ATE156093T1 (de) 1997-08-15
DE59500439D1 (de) 1997-09-04
CZ118795A3 (en) 1996-02-14
DE9412210U1 (de) 1994-12-01
ES2106576T5 (es) 2001-06-16
EP0694493A1 (fr) 1996-01-31
EP0694493B1 (fr) 1997-07-30
CZ281765B6 (cs) 1997-01-15
ES2106576T3 (es) 1997-11-01

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