EP0771733A2 - Dispositif de transfert d'étiquettes d'un premier cylindre entraîné en rotation vers un deuxième cylindre entraîné en rotation - Google Patents

Dispositif de transfert d'étiquettes d'un premier cylindre entraîné en rotation vers un deuxième cylindre entraîné en rotation Download PDF

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Publication number
EP0771733A2
EP0771733A2 EP96115621A EP96115621A EP0771733A2 EP 0771733 A2 EP0771733 A2 EP 0771733A2 EP 96115621 A EP96115621 A EP 96115621A EP 96115621 A EP96115621 A EP 96115621A EP 0771733 A2 EP0771733 A2 EP 0771733A2
Authority
EP
European Patent Office
Prior art keywords
cylinder
sword
jaw
shaped
strip
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.)
Granted
Application number
EP96115621A
Other languages
German (de)
English (en)
Other versions
EP0771733B1 (fr
EP0771733A3 (fr
Inventor
Richard Feldkämper
Rüdiger Duwendag
Hermann Sandmeier
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher 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
Priority claimed from DE19546802A external-priority patent/DE19546802C1/de
Priority claimed from DE19621586A external-priority patent/DE19621586C2/de
Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP0771733A2 publication Critical patent/EP0771733A2/fr
Publication of EP0771733A3 publication Critical patent/EP0771733A3/fr
Application granted granted Critical
Publication of EP0771733B1 publication Critical patent/EP0771733B1/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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/06—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by rotating members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/50—Driving mechanisms
    • B65H2403/51—Cam mechanisms
    • B65H2403/512—Cam mechanisms involving radial plate cam

Definitions

  • the invention relates to a device for transferring notes from a rotatably driven first cylinder to a rotatably driven second cylinder, each of which has a pincer-like gripper with a controlled, pivotable strip-shaped jaw, which cooperates with a fixed jaw of the associated cylinder, and the slip has in the open gripper of the other cylinder controlled sword, preferably for transferring bottom cover sheets from a transfer or tear-off cylinder of a bagging machine to an application cylinder applying the bottom cover sheets to the open bottoms of continuously conveyed bag workpieces.
  • the bottom cover sheet must not be transferred from the transfer cylinder to the application cylinder if a sack workpiece is not present, in order to prevent a bottom cover sheet being delivered by the application cylinder to the conveyor device conveying the sack workpieces and not being taken over by any sack workpiece leads to disturbances.
  • the pincer-like gripper of the transfer cylinder is activated in the event that there is no sack workpiece, in such a way that the latter Grips bottom cover sheet and transfers this instead of to the application cylinder to a downstream discharge conveyor which serves to discharge the bottom cover sheet which is not required.
  • both the transfer cylinder and the application cylinder are provided with controlled gripper-shaped grippers and with controlled swords which insert the bottom cover sheets into the open grippers of the other cylinder. If, in the absence of a sack workpiece, the bottom cover sheet intended for this must be removed, the grippers and swords are reversed such that the blade of the application cylinder pushes the bottom cover sheet into the open gripper of the transfer cylinder, which then grasps the bottom cover sheet to be separated and transfers it to the downstream discharge conveyor .
  • This known device is expensive in that each of the two transfer and application cylinders is provided with a controlled pincer-like gripper and additionally with a controlled sword which pushes the bottom cover sheets into the respective pincer-like gripper of the other cylinder.
  • the object of the invention is therefore to provide a device of the type specified at the outset, which is structurally simplified.
  • this object is achieved in that the pivotable strip-shaped jaw of each cylinder is provided with a second control which can be activated as required, which deactivates the control of the forceps movement of the strip-shaped jaw and controls it in such a way that it takes over the function of the sword.
  • the controlled, pivotable strip-shaped jaw of each cylinder which cooperates with a fixed jaw of the associated cylinder, is designed like a sword or can at least be like a sword can be designed, so that the invention arose from the idea of assigning the pivotable strip-shaped jaw of the pliers-like gripper to the function of a sword, which then pushes the slip or the bottom cover sheet into the open gripper of the other cylinder when the gripper of the slip or the bottom cover sheet has to grasp.
  • the exchange of functions is possible because only one gripper of one cylinder has to perform the gripping function, so that the strip-shaped jaw of the deactivated gripper of the other cylinder can take over the function of the controlled sword inserting the slip.
  • a shaft is mounted parallel to the axis of rotation of each cylinder in this, on which two levers are fastened, in which, parallel to the shaft, a bar shaft carrying the strip-shaped jaw or the sword is freely rotatably mounted, that the bar shaft has two sliding blocks or Swordshaft levers provided with rollers that at least one lever is held by a spring in contact with a cylinder-fixed stop in gripper tongs operation and that a roller of one of the two swordshaft levers runs on a frame-fixed control curve that controls the closing and opening movement of the pliers, that two adjustable in the frame Control cams are provided which are movable by a controlled drive between their active, the sword operation, and inactive position that and on the first control curve in the active position runs a roller mounted on
  • This configuration ensures in a simple manner in the event of a reversal that the pivotable strip-shaped jaw thereby takes over the function of the sword inserting the slip into the open gripper of the other cylinder, in that the plunger movement removes the insertion and retraction movement of the sword Approaching the fixed jaws of the other cylinder.
  • At least one sword shaft lever is acted upon by a spring which holds the rollers of the sword shaft levers in contact with the associated control cams, namely once to the control cam, which controls the swiveling movement during the function as a tong-like gripper and, on the other hand, the swiveling movement to approach the fixed jaw of the other cylinder during the function as a sword.
  • the two adjustable control cams are expediently arranged on a lever which is pivotably mounted in the frame and which can be pivoted between its active and its inactive position by means of a pressure medium-piston-cylinder unit.
  • the desired reversal of the functions of the pivotable strip-shaped jaw or of the sword can then be effected by appropriate activation of the pressure medium-piston-cylinder unit on the basis of the machine control.
  • the cheek-away jaw of each cylinder has at least one Stamp is made of elastomeric material, the front area of the slip to be handed over presses against the jacket section of the other cylinder formed by the end face of the fixed jaw or adjacent to the fixed jaw.
  • This configuration of the invention ensures that the front area of each slip to be taken over by a cylinder is held in such a way that the .cylinder is held against the jacket of the taking over cylinder during the critical phase of pulling back the piercing sword and closing the pliers-like gripper inserted front edge area of the note can not come out of the mouth of the open pliers-like gripper.
  • the punches preferably consist of rod-shaped sections which are held in or on bores of the sword shafts and which penetrate approximately radially running bores of the jacket sections, the bores of the jacket sections opening in the region of the fixed counter-jaw of the respective other cylinder.
  • the bores arranged in rows of one jacket section are offset from the bores of the other jacket section, so that the punches do not collide with one another, but rather each interact with the opposite jacket section.
  • the bores of the jacket sections are expediently larger in diameter than the diameter of the rod-shaped sections.
  • the rod-shaped punches expediently have a sufficiently large length.
  • the rod-shaped sections are compressed during the pressing of the notes on the other cylinder, they increase in diameter, so that the diameter of the bores in the jacket sections must be adapted to this increase in diameter.
  • the rod-shaped sections of the punches are expediently clamped in the bores of the sword shafts by the fastening screws of the strip-shaped jaws.
  • the rod-shaped sections can be attached to the sword shafts so eccentrically that they are pulled radially inward into the bore of the jacket section when the pliers-like grippers are closed.
  • the device shown in FIG. 1 for tearing off or separating ground cover sheets from a sheet of paper and for handing them over the structure of the open bottoms of continuously conveyed bag workpieces basically corresponds to the device described in German Patent Application No. 195 40 148.-26 by the applicant on October 27, 1995, so that reference is made to these for a more detailed description.
  • the bottom cover sheets taken over from the transfer or tear-off cylinder 1 must not be transferred to the application cylinder 2 for application to the sack pieces, but must be transferred from the transfer or tear-off cylinder to a conveyor device (not shown) that transports them away , which is described in EP 0 560 066 B1, to which reference is hereby made.
  • the shafts 3, 4 of the transfer cylinder 1 and the application cylinder 2 are mounted and provided with drives in a known manner.
  • Each of the two cylinders 1, 2 is provided with a pincer-like gripper in an axially parallel gap in the jacket, each of which consists of a pivotable strip-like or sword-shaped jaw 5 and a fixed jaw 6. Since the transfer and order cylinders 1, 2 are basically identical, their identical parts are also provided with the same reference numbers.
  • the transfer cylinder and the application cylinder are mirrored to one another in such a way that their grippers 5, 6 simultaneously pass through the common nip. Due to the mirror-image arrangement, opposite sides of the two cylinders can be seen from FIG. 1.
  • a shaft 7 is freely rotatably supported by roller bearings 8, 9 eccentrically to the cylinder axis.
  • levers 10, 11 are fastened, which are acted upon by tension springs 12, 13 in the direction of a stop 14 fixed to the cylinder.
  • a sword shaft 15 parallel to this is freely rotatably supported in the levers 10 by roller bearings 16, 17.
  • the strip-shaped or sword-shaped jaw 5 is fastened to the sword shaft 15 by fastening screws 18.
  • 20 are attached, on which freely rotatable rollers 21, 22 are mounted.
  • another roller 23 is mounted on the left end of the sword shaft.
  • the sword shaft levers 19, 20 are acted upon by tension springs 24, 25 attached to their ends in the direction of the associated control cams.
  • the roller 21 of the right sword shaft lever 19 runs on the frame-fixed curve guide 26, which is shown in broken lines in FIG. 1.
  • the control cam 26 controls the opening and closing movement of the strip-shaped jaw 5 during the gripper operation by appropriate rotation of the sword shaft 15. During this gripper operation, the levers 10 and 11 are held in contact with the cylinder-fixed stops 14 via their tension springs 12, 13.
  • pivotable control cams are provided which control the sword operation of the strip-shaped gripper jaw 5.
  • a lever 31 is pivotally mounted about a pin 30 fixed to the frame, the free end of which is articulated is connected to the piston rod 32 of a pneumatic cylinder 33 which is pivotally mounted in the frame in a manner not shown.
  • a control cam 34 is arranged on the lever 31, which controls the feed and retraction movement of the strip-shaped jaw 5 during the sword operation.
  • the lever 31 also carries, parallel to the control cam 34, the control cam 36, which controls the pivoting movement of the strip-shaped jaw 5 during the sword operation in such a way that it cannot collide with the counter jaw working as a pliers jaw.
  • the roller 22 of the sword shaft lever 20 runs on the cam segment 36.
  • the pneumatic cylinder 33 pivots the lever 31 with the control cam segments 34, 36 in the direction of the cylinder axis, so that the control cams 34, 36 cannot give the rollers 22, 23 any movement controlling the strip-shaped jaw 5.
  • the roller 21 of the sword shaft lever 19 runs on the control cam 26, so that this gives the sword shaft lever a rotation which corresponds to the closing and opening movement of the strip-shaped jaw 5.
  • the lever 11 is raised from the cylinder-fixed stop 14 in order to deactivate the curve control 21, 26.
  • the sword shaft levers 10, 11 are then pivoted via the rollers 23 by the control segment 34 such that the strip-shaped jaw 5 in the sword mode, the feed and Retraction movement. This movement is given a pivoting movement in the manner described to approximate the strip-shaped jaw 5 to the fixed counter-jaw with counter-cylinder via the cam segment 36 and the roller 22.
  • the cylinders provided with the controlled pivotable strip-shaped jaws can also be operated in such a way that the strip-shaped jaws are non-functional without control, so that the cylinders work neither as a sword nor as a pliers cylinder, but only one Have a management or transport function.
  • the corresponding control devices are completely deactivated.
  • control cam 26 is also inactivated, which causes the blade shaft lever 19 to rotate during the pliers operation the closing and opening movement of the strip-shaped jaw granted.
  • the control cam 26 can be deactivated, for example, by displacing it in the axial direction in such a way that it disengages from the roller 21 of the sword shaft lever 19.
  • FIG. 3 shows the arrangement and attachment of the rod-shaped stamp 40 which is movable with the strip-shaped jaws 5.
  • the sword shafts are provided at suitable intervals with cross bores 41 into which one end of the rod-shaped punch 40 is inserted.
  • the punches 40 are clamped in the bores in the manner shown by the fastening screws 18 fastening the strip-shaped jaws 5.
  • the end faces of the fixed jaws connected to the cylinder jacket form jacket sections adjoining the radial clamping surfaces.
  • the fixed jaws 6 are provided in the manner shown with bores 43, 44 which extend approximately radially to the cylinders 1, 2 and which open into the jacket sections of the cylinders formed by the fixed jaws.
  • the rod-shaped jaws 40 pass through these bores 43, 44 and are additionally guided in them.
  • the bores 43, 44 arranged in rows are each offset from one another. Due to the considerable length of the rod-shaped stamp 40 made of elastomeric material, they are able to execute a sufficiently long spring travel when the front areas of the note are pressed against the other cylinder, so that the front edges of the note inserted into the open, pincer-like gripper after the extension of the die The function of a jaw 5 taking over the sword remains in its position inserted into the jaws of the jaw until the other jaw closes.
  • the bores 43 have a larger diameter than the rod-shaped punches, so that they can widen in the desired manner when they are compressed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Making Paper Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Labeling Devices (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Gripping On Spindles (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Discharge By Other Means (AREA)
EP96115621A 1995-10-31 1996-09-28 Dispositif de transfert d'étiquettes d'un premier cylindre entraíné en rotation vers un deuxième cylindre entraíné en rotation Expired - Lifetime EP0771733B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19540616 1995-10-31
DE19540616 1995-10-31
DE19546802A DE19546802C1 (de) 1995-10-31 1995-12-14 Vorrichtung zum Übergeben von Zetteln an einen rotierend angetriebenen ersten Zylinder oder an einen rotierend angetriebenen zweiten Zylinder
DE19546802 1995-12-14
DE19621586A DE19621586C2 (de) 1996-05-29 1996-05-29 Vorrichtung zum Übergeben von Zetteln von einem rotierend angetriebenen ersten Zylinder an einen rotierend angetriebenen zweiten Zylinder
DE19621586 1996-05-29

Publications (3)

Publication Number Publication Date
EP0771733A2 true EP0771733A2 (fr) 1997-05-07
EP0771733A3 EP0771733A3 (fr) 1998-08-19
EP0771733B1 EP0771733B1 (fr) 2001-05-09

Family

ID=27215618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96115621A Expired - Lifetime EP0771733B1 (fr) 1995-10-31 1996-09-28 Dispositif de transfert d'étiquettes d'un premier cylindre entraíné en rotation vers un deuxième cylindre entraíné en rotation

Country Status (8)

Country Link
US (1) US5947883A (fr)
EP (1) EP0771733B1 (fr)
JP (1) JP3795594B2 (fr)
CN (1) CN1082006C (fr)
AT (1) ATE201008T1 (fr)
BR (1) BR9605368A (fr)
CZ (1) CZ288296A3 (fr)
ES (1) ES2156970T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7771337B2 (en) * 2003-09-30 2010-08-10 Fabio Perini S.P.A. Self-centering tucker assembly for a folding roll
US20050070415A1 (en) * 2003-09-30 2005-03-31 Haasl Andrew L. Assembly for and method of preventing buildup of debris in a folding roll tucker assembly
JP2008044373A (ja) * 2006-08-16 2008-02-28 Heidelberger Druckmas Ag シートを処理する機械において反転グリッパを開放して旋回させるための装置
DE102013201768A1 (de) * 2013-02-04 2014-08-07 Krones Ag Etikettiermaschine mit einer Hebevorrichtung
CN106185172A (zh) * 2015-05-07 2016-12-07 苏州塞维拉上吴电梯轨道系统有限公司 一种t型导轨上料用夹紧装置
CN112339349A (zh) * 2020-10-21 2021-02-09 佛山市达肯包装机械有限公司 一种纸条正夹插入或反夹剔除的机构
CN112810052B (zh) * 2021-02-02 2023-03-31 兴福赛(天津)汽车零部件制造有限公司 一种汽车注塑件除尘用机械手

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2092568A (en) * 1935-12-21 1937-09-07 Frank R Belluche Sheet transfer for bronzing machines
US3231261A (en) * 1963-09-11 1966-01-25 Hamilton Tool Co Method of and means for fabricating booklets from continuous webs
DE6609637U (de) * 1968-03-04 1972-10-05 Windmoeller & Hoelscher Sackmaschine.
DE2156577B2 (de) * 1971-11-15 1974-07-04 Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach Vorgreiferschwinganlage
DD159252A3 (de) * 1981-06-23 1983-03-02 Kurt Sehan Falzapparat fuer rollenrotationsdruckmaschinen
FR2655909B1 (fr) * 1989-12-18 1992-04-17 Marinoni Harris Sa Cylindre d'accumulation pour plieuse d'imprimerie.
DE4220308A1 (de) * 1992-03-10 1993-09-16 Windmoeller & Hoelscher Sackmaschine
DE4342037C1 (de) * 1993-12-09 1995-03-02 Frankenthal Ag Albert Verfahren und Vorrichtung zum Querfalzen von Signaturen
US5522586A (en) * 1994-09-07 1996-06-04 Rockwell International Corporation Folding apparatus with multiple speed folding jaw cylinder

Also Published As

Publication number Publication date
JP3795594B2 (ja) 2006-07-12
EP0771733B1 (fr) 2001-05-09
CN1082006C (zh) 2002-04-03
ATE201008T1 (de) 2001-05-15
US5947883A (en) 1999-09-07
BR9605368A (pt) 1998-07-28
ES2156970T3 (es) 2001-08-01
EP0771733A3 (fr) 1998-08-19
JPH09174718A (ja) 1997-07-08
CZ288296A3 (en) 1997-10-15
CN1160005A (zh) 1997-09-24

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