EP3967485A2 - Machine à coller des boîtes pliables comprenant un dispositif d'estampage - Google Patents

Machine à coller des boîtes pliables comprenant un dispositif d'estampage Download PDF

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Publication number
EP3967485A2
EP3967485A2 EP21196418.4A EP21196418A EP3967485A2 EP 3967485 A2 EP3967485 A2 EP 3967485A2 EP 21196418 A EP21196418 A EP 21196418A EP 3967485 A2 EP3967485 A2 EP 3967485A2
Authority
EP
European Patent Office
Prior art keywords
transport
embossing
belt conveyor
gluing machine
folding box
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.)
Pending
Application number
EP21196418.4A
Other languages
German (de)
English (en)
Other versions
EP3967485A3 (fr
Inventor
Bernd Herfurth
Markus Matuszczak
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.)
KAMA GmbH
Original Assignee
KAMA GmbH
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 KAMA GmbH filed Critical KAMA GmbH
Publication of EP3967485A2 publication Critical patent/EP3967485A2/fr
Publication of EP3967485A3 publication Critical patent/EP3967485A3/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/042—Feeding sheets or blanks using rolls, belts or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/005—Making rigid or semi-rigid containers, e.g. boxes or cartons involving a particular layout of the machinery or relative arrangement of its subunits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/88—Printing; Embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0753—Roller supporting, positioning, driving means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0782—Layout of the complete embossing machine, of the embossing line

Definitions

  • the invention relates to improvements in embossing devices, such as those used in print processing, for example as a processing station of a folding box gluing machine, in order to introduce an embossing, for example a Braille embossing, into a carton blank.
  • Folding box gluing machines are known for producing folding boxes from blanks, which have processing stations and a transport device for conveying the blanks through the individual processing stations, and an embossing device with rotating embossing tools for applying an embossing to the blanks.
  • the folding box gluing machine can have an embossing device as one of the processing stations.
  • the embossing can be used primarily for decorative purposes or to create Braille embossing that provides visually impaired people with information about the contents of the carton.
  • the legal basis for the obligation to emboss the name of medicinal products in Braille on folding boxes results from the European Directive 2001/83/EG (Community Code for Medicinal Products for Human Use). For Germany, this guideline was transposed into national law in the Medicines Act ( ⁇ 10 Paragraph 1b AMG).
  • EP 1 920 910 B1 discloses a folder gluer, in which a target value transmitter for detecting the blank is fitted in front of the embossing device, with the signals supplied controlling the motor control of the embossing device, and a blank control device being fitted directly behind the embossing device, with the data from the blank control device and the motor control being evaluated for possible embossing errors in an evaluation unit .
  • the distance between the upper embossing tool and the lower embossing tool can be adjusted.
  • EP 2 422 971 A2 discloses a folding box gluing machine in which the embossing device is designed in such a way that the distance between the upper and lower tool unit can be varied via two pneumatic cylinders and can also be adjusted via a fine adjustment device which has two stops, one stop being stationary and the other stop via a Handwheel, a threaded spindle and worm gear not shown on the desired distance can be set.
  • EP 2 826 618 A2 discloses a folding box gluing machine in which the embossing tools are mounted so that they can be positioned transversely by means of bearing blocks in crossbeams and the bearing blocks are connected to spindles for automatic positioning of the tools, with a respective spindle being driven by a spindle motor.
  • the KAMA FF52i folder gluer for folding and gluing flat cardboard blanks has the highest degree of automation of all folder gluers currently known and available on the market in terms of quick setup of the machine to the blank format to be processed ( EP 2 988 926 B1 ).
  • One object of the invention is to specify an embossing device as a processing station of a folding box gluing machine, which can introduce a text in Braille or other embossing into the individually supplied cardboard blanks using rotating embossing tools.
  • a high degree of automation and thus very short set-up times for format changes are further tasks to be solved by this embossing device.
  • the folding box gluing machine should be designed in such a way that the embossing device can be positioned quickly, easily and precisely at various points transverse to the transport direction of the blanks.
  • the embossing device should be adjustable quickly, easily and precisely for embossing blanks of different thicknesses.
  • Transport devices that have belt conveyors are usually used to transport the blanks in a precisely positioned manner through a folding box gluing machine.
  • a transport device can have a transport belt guided over support rollers, on which the blanks are transported lying.
  • a second transport belt can be guided over pressure rollers, so that the first, lower transport belt and the second, upper transport belt hold a blank running through them, with one pressure roller each pressing from above onto one below arranged support roller is pressed.
  • the safe transport of the blanks must be ensured without interruption also next to the embossing wheels, i.e. during the actual embossing process, due to the force exerted on the blanks by the embossing process. This means that the belt conveyors must also extend straight through the area of the embossing device.
  • the embossing device it must also be possible to be able to change the position of the embossing device relative to the belt conveyor(s) in the horizontal transport plane of the blanks transversely to the transport direction, for example in order to switch to a different folding box blank allow in which, for example, another tab of the blank must be embossed.
  • the embossing device was arranged to the right of the transport device when viewed in the transport direction for a first blank, it may be necessary for a second blank to arrange the embossing device to the left of the transport device when viewed in the transport device.
  • the transport device also extends through the area of the embossing device, viewed in the transport direction, it is not readily possible to shift the embossing device because it would then collide with the transport device.
  • the transport device of the folding box gluing machine at least in the area of the embossing device, so that the belt conveyors used to transport the blanks are designed in such a way that they can be opened at the height of the embossing wheels.
  • This gap makes it possible to move the embossing wheels horizontally and transversely to the transport direction without colliding with the belt conveyors. The gap is then closed again so that the continuous transport of the blanks is guaranteed.
  • the gap in the transport device in the area of the embossing wheels is created by removing at least one lower and/or upper belt conveyor, which forms part of the transport device, completely with all associated support rollers or pressure rollers and the associated transport belt from the arrangement of the Belt conveyor is temporarily removed. After the embossing wheels have been moved as desired, the gap can be closed again in the reverse order.
  • the gap in the transport device in the area of the embossing wheels is created by moving some of the support rollers or pressure rollers of at least one belt conveyor independently of the other support rollers or pressure rollers of this belt conveyor.
  • a complete belt conveyor with all support or pressure rollers and the associated transport belt can be moved from a working position, in which the belt conveyor contributes to the transport of the blanks, into a rest position be moved, in which the belt conveyor is arranged outside the transport plane.
  • adjacent belt conveyors can be moved, for example, in the transport direction in such a way that a gap is created in the area of the embossing wheels, which allows a horizontal displacement of the embossing wheels transverse to the transport direction.
  • a single support roller of a lower belt conveyor or subsets of the support rollers of a lower belt conveyor can be pivoted or shifted out of the belt conveyor from a working position in which all support rollers of this belt conveyor are arranged in a line one behind the other, or moved in some other way into a rest position , so that there is a gap in the arrangement of the support rollers.
  • the remaining support rollers can then be moved out of the area of the embossing wheels in the transport direction of the blanks in such a way that there is a gap there, so that the embossing wheels can be shifted horizontally and transversely to the transport direction.
  • the at least one support roller and/or the at least one pressure roller can be moved in the transport direction from the working position to the rest position, wherein space is made for this movement by removing at least one further support roller from the arrangement of the support rollers of the lower belt conveyor and/or at least one further pressure roller from the arrangement of the pressure rollers of the upper belt conveyor.
  • This removal of one or more support rollers of a lower belt conveyor can be implemented, for example, by pivoting the at least one further support roller downwards out of the arrangement of the support rollers of the first belt conveyor.
  • it can be provided with an upper belt conveyor that the at least one further pressure roller can be removed from the arrangement of the pressure rollers of the second belt conveyor by horizontal or vertical displacement transversely to the transport direction.
  • the transport belt of the lower belt conveyor moves when the at least one support roller is moved from the working position to the rest position or/ and the transport belt of the upper belt conveyor when moving the at least one Pinch roller is kept tensioned from the working position to the rest position by simultaneously moving at least one tension roller.
  • movable tension rollers for each transport belt can be moved pneumatically in such a way that the transport belts are deflected in a defined manner in front of and behind the embossing wheels, without the belt tension changing. In this position, the transport belts and the embossing wheels can be moved past one another.
  • Another proposed improvement relates to technical solutions to be able to set the embossing device quickly, easily and accurately for embossing blanks of different thicknesses.
  • a wedge element that can be moved horizontally between two stops is simple in design, can be produced inexpensively and enables reproducible, high-precision fine adjustment of the embossing gap, the size of which results from the material thickness of the blank to be processed and can therefore also be adjusted fully automatically if corresponding motorized actuators are provided. It goes without saying that the fine adjustment of the embossing gap is even more precise if a fine adjustment device of the type described, each with a wedge element, is arranged on each side of the embossing device, and such configurations are encompassed by the described and claimed invention.
  • a lower embossing wheel is arranged fixed to the frame on the folding box gluing machine with regard to its vertical installation position and an upper embossing wheel is arranged on the folder gluing machine in a height-adjustable manner with regard to its vertical installation position.
  • the lower embossing wheel which is fixed relative to the machine frame of the folding box gluing machine, usually carries a matrix, because the blanks are transported with the printed outer side downwards as they pass through the folding box gluing machine. As a result, the transport level forms a tangent to the lower stamping wheel.
  • the upper embossing wheel which usually carries a patrix, must, however, be arranged on the folding box gluing machine so that it can be adjusted in height with regard to its vertical installation position, so that the embossing device can be maintained and can be reconfigured as required, ie the embossing device is opened for maintenance purposes by increasing the distance between the patrix and the die by lifting the upper embossing wheel.
  • the lower embossing wheel is arranged on a lower partial frame of the embossing device fixed to the frame of the folding box gluing machine and the upper embossing wheel is arranged on an upper partial frame of the embossing device that is vertically displaceably or pivotably attached to the lower partial frame.
  • the lower embossing wheel and the upper embossing wheel can each be arranged on a motor-driven shaft and are motor-driven horizontally displaceable transversely to the transport direction , For example by means of a motor-driven spindle.
  • the Figures 1 to 6 show a first embodiment for solving the problem of being able to adjust the embossing wheels transversely to the transport direction of the blanks.
  • a transport device 2 is arranged on a machine frame 1 of a folding box gluing machine, which comprises a lower belt conveyor 21 and two upper belt conveyors 22a, 22b.
  • the horizontal in the plane of the drawing corresponds from left to right to the transport direction of the blanks, ie the viewing direction on the drawing is transverse to the transport direction.
  • the lower belt conveyor 21 has a transport belt 211 trained around an array of support rollers 212 grouped into four modules 212a, 212b, 212c, and 212d are, as will be explained in more detail below. Below the support rollers 212, the transport belt 211 is also guided around various deflection rollers 213, a drive roller 214 and two movable tension rollers 215.
  • the two upper belt conveyors 22a, 22b each have a transport belt 221a, 221b, which are each guided around an arrangement of pressure rollers 222 and various deflection rollers 223 and tensioning rollers 225.
  • the pressure rollers 222 of the upper belt conveyor 22b which is arranged on the right-hand side in the selected illustration, are grouped into three modules 222a, 222b and 222c, as will be explained in more detail below.
  • An embossing device 3 is also arranged on the machine frame 1, which comprises a lower embossing wheel 31 and an upper embossing wheel 32, the circumferences of which touch in the transport plane, so that they jointly press on blanks passing between them, which are between the lower transport belt 211 and the upper Transport belts 221a, 221b are held, act to produce an embossing.
  • the upper belt conveyor 22a arranged on the left comprises six stationary arranged pressure rollers 222, which are each assigned to one of the support rollers 212 of the first module 212a of the lower belt conveyor 21.
  • Above the first module 222a is a tensioning roller 225, around which the transport belt 221 is guided, movably arranged horizontally parallel to the transport direction.
  • the second module 212b of the lower belt conveyor 21 and the first module 222a of the upper belt conveyor 22b arranged on the right-hand side are located in front of the upper embossing wheel 32 and the lower embossing wheel 31, so that a repositioning of the two embossing wheels 31, 32 transversely to the direction of transport, ie out of the plane of the drawing, is not possible because the embossing wheels 31, 32 would collide with the lower belt conveyor 21 and the upper belt conveyor 22.
  • the second module 212b is shifted from the working position in the transport direction, i.e. from left to right, into a rest position, and on the upper belt conveyor 22 on the right, the first module 222a shifted from the working position in the transport direction, ie from left to right, to a rest position.
  • FIG. 4 shows the state of the transport device in which the second module 212b and the third module 212c of the lower belt conveyor 21 and the first module 222a and the second module 222b of the right-hand upper belt conveyor 22 have been moved into a rest position, so that a collision of the embossing wheels 31, 32 is avoided with the transport device when the embossing wheels 31, 32 are to be displaced transversely to the transport direction.
  • figure 5 shows how the embossing wheels 31, 32 are shifted transversely to the transport direction and are now located behind the transport device in the viewing direction.
  • Figures 7 to 10 show an embodiment of an embossing device with a fine adjustment device.
  • embossing device 3 which has a lower embossing wheel 31 and an upper embossing wheel 32 . Both embossing wheels are slidably mounted on a shaft 33 and can be driven by a motor.
  • the lower embossing wheel 31 is arranged on a lower partial frame 34a of the embossing device, which is fixedly attached to the folding box gluing machine, and the upper embossing wheel 32 is arranged on an upper partial frame 34b of the embossing device 3, which is pivotably attached to the lower partial frame 34a.
  • the upper sub-frame 34b and the lower sub-frame 34a are pivotally connected by a hinge 35, and the embossing device 3 can be opened by pivoting the upper sub-frame 34b upwards by a pneumatic actuator 36, e.g. for maintenance purposes.
  • the lower embossing wheel 31 is fixed to the frame with regard to its vertical installation position and the upper embossing wheel is arranged on the folding box gluing machine so that it can be adjusted in height with regard to its vertical installation position.
  • the embossing device 3 has a fine adjustment device 4, which comprises two wedge elements 41, each of which is arranged on one side of the transport path between two stops 42 and horizontally, transversely by an actuator 43 can be moved to the direction of transport.
  • the wedge element 41 is in a minimum position in which the embossing gap is as narrow as possible in order to emboss thin blanks, and in 10 the wedge element 41 is in a maximum position in which the embossing gap is as wide as possible in order to emboss thick blanks.
  • the Figures 11 to 16 show a second embodiment for solving the problem of being able to adjust the embossing wheels 31, 32 transversely to the transport direction of the blanks.
  • the individual belt conveyors are not shortened here after part of the support rollers or the pressure rollers have been removed from them. Rather, in this embodiment, there are not one but two lower belt conveyors 21a, 21b and not two but three upper belt conveyors 22a, 22b and 22c in the embossing device.
  • the lower belt conveyor 21b has only two support rollers and the upper belt conveyor 22c has only two pressure rollers, because the length of the two belt conveyors 21b, 22c defined by the two rollers is sufficient to create a gap large enough for the displacement of the Embossing wheels 31, 32 is transverse to the transport direction.
  • the two belt conveyors 21b, 22c are each moved apart vertically perpendicularly to the plane of transport of the blanks and are thus removed from the area of the plane of transport.
  • both belt conveyors 21b, 22c are driven only passively in the exemplary embodiment, ie they do not have their own drive. As for example in 11 can be seen, there is a frictional connection between the transport belts of the lower belt conveyors 21a and 21b, which means that the driven belt conveyor 21a drags along the non-driven belt conveyor 21b when it is in the working position, ie at the top.
  • the upper belt conveyor 22c is dragged along by the lower belt conveyor 21b when both belt conveyors 21b, 22c are in the working position, because their transport belts are in frictional contact in the transport plane. Due to the fact that the two belt conveyors 21b, 22c are not driven actively, but only passively, additional drive devices can be dispensed with, as can measures for the transmission of drive energy from the existing drive device, which drives the belt conveyor 21a, to these two belt conveyors 21b, 22c, which would be technically complex and therefore expensive because of the mobility of the two belt conveyors 21b, 22c.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
EP21196418.4A 2020-09-11 2021-09-13 Machine à coller des boîtes pliables comprenant un dispositif d'estampage Pending EP3967485A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020123762.6A DE102020123762A1 (de) 2020-09-11 2020-09-11 Faltschachtelklebemaschine mit Prägeeinrichtung

Publications (2)

Publication Number Publication Date
EP3967485A2 true EP3967485A2 (fr) 2022-03-16
EP3967485A3 EP3967485A3 (fr) 2022-10-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21196418.4A Pending EP3967485A3 (fr) 2020-09-11 2021-09-13 Machine à coller des boîtes pliables comprenant un dispositif d'estampage

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EP (1) EP3967485A3 (fr)
DE (1) DE102020123762A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117901486A (zh) * 2024-03-18 2024-04-19 新乡市海铧精工机械有限公司 一种输送机上连线压凹凸装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1920910B1 (fr) 2006-11-08 2009-12-30 Heidelberger Druckmaschinen AG Procédé et dispositif destinés au contrôle en ligne de l'écriture en braille dans la fabrication de boîtes pliantes
EP2422971A2 (fr) 2010-08-31 2012-02-29 Heidelberger Druckmaschinen AG Dispositif de réception d'outil
EP2988926B1 (fr) 2014-05-19 2016-08-17 Kama GmbH Poste de pliage et machine de collage de boîte pliante

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
DE102006043288B4 (de) * 2006-09-14 2017-04-13 Unimatec Prägesysteme Gmbh Vorrichtung und Verfahren zum Prägen einer Materialbahn
DE102007044827A1 (de) * 2006-11-08 2008-05-15 Heidelberger Druckmaschinen Ag Vorrichtung und Verfahren zur Inlinekontrolle von Brailleschriften bei der Faltschachtelherstellung
TWI340083B (en) * 2006-12-14 2011-04-11 Bobst Sa Braille printing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1920910B1 (fr) 2006-11-08 2009-12-30 Heidelberger Druckmaschinen AG Procédé et dispositif destinés au contrôle en ligne de l'écriture en braille dans la fabrication de boîtes pliantes
EP2826618A2 (fr) 2006-11-08 2015-01-21 Heidelberger Druckmaschinen AG Machine de collage de boîte pliante destinée à la fabrication de boîtes pliantes à partir de coupes
EP1920911B1 (fr) 2006-11-08 2016-01-27 Masterwork Machinery Co., Ltd. Machine de collage de boîte pliante destinée à la fabrication de boîtes pliantes à partir de coupes
EP2422971A2 (fr) 2010-08-31 2012-02-29 Heidelberger Druckmaschinen AG Dispositif de réception d'outil
EP2988926B1 (fr) 2014-05-19 2016-08-17 Kama GmbH Poste de pliage et machine de collage de boîte pliante

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117901486A (zh) * 2024-03-18 2024-04-19 新乡市海铧精工机械有限公司 一种输送机上连线压凹凸装置
CN117901486B (zh) * 2024-03-18 2024-05-24 新乡市海铧精工机械有限公司 一种输送机上连线压凹凸装置

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DE102020123762A1 (de) 2022-03-17
EP3967485A3 (fr) 2022-10-12

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