EP0806393A2 - Dispositif pour le pliage de matériaux plats en feuilles, en particulier des segments de bandes de papier ou de carton - Google Patents

Dispositif pour le pliage de matériaux plats en feuilles, en particulier des segments de bandes de papier ou de carton Download PDF

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Publication number
EP0806393A2
EP0806393A2 EP97106352A EP97106352A EP0806393A2 EP 0806393 A2 EP0806393 A2 EP 0806393A2 EP 97106352 A EP97106352 A EP 97106352A EP 97106352 A EP97106352 A EP 97106352A EP 0806393 A2 EP0806393 A2 EP 0806393A2
Authority
EP
European Patent Office
Prior art keywords
folding
station
strips
orbit
shaped
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.)
Withdrawn
Application number
EP97106352A
Other languages
German (de)
English (en)
Other versions
EP0806393A3 (fr
Inventor
Heinz F. Odenthal
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.)
Ostma Maschinenbau GmbH
Original Assignee
Ostma Maschinenbau 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 Ostma Maschinenbau GmbH filed Critical Ostma Maschinenbau GmbH
Publication of EP0806393A2 publication Critical patent/EP0806393A2/fr
Publication of EP0806393A3 publication Critical patent/EP0806393A3/fr
Withdrawn legal-status Critical Current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
    • B65H45/00—Folding thin material
    • B65H45/02—Folding limp material without application of pressure to define or form crease lines
    • B65H45/04—Folding sheets
    • 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

Definitions

  • the invention relates to a device for folding flat strips of material, in particular blanks made of paper or cardboard.
  • the material strip may be cardboard strips which have been pulled off the roll, grooved, printed, punched and separated and are erected into folding boxes by means of the device.
  • the material strips can, for example, also be printed single-ply or multi-ply paper strips, which are folded in a C-shape or in a ring by means of the device and inserted as supplementary printed matter in open packaging.
  • Devices known from practice for the described applications have translationally movable stamps which move in and out of fixed folding tools. Movable folding tools can also be assigned.
  • the known devices work in cycles, a material strip positioned on the folding tools being shaped by an retracting stamp and then being stripped off by the latter. The form stamp is moved back and a new strip of material is positioned on the folding tools at the beginning of the next work cycle. The production speed is in need of improvement.
  • the invention has for its object to provide a device for folding flat strips of material, in particular blanks made of paper or cardboard, with which a large number of strips of material can be folded per unit of time.
  • the device according to the invention works continuously.
  • stamps are usually connected to the toothed belt. This makes it possible to carry out the processing steps - positioning a flat strip of material, folding in a strip of material, stripping off the strip of material after folding - in synchronized times in spatially separate stations. While a strip of material is positioned in the orbit of the molding pins, other strips of material that have been fed in beforehand can already be formed in the folding station and removed from the device in the stripping station. Since processing steps can be carried out at the same time, the teaching according to the invention enables a high throughput of the device.
  • the folding tools and the device for positioning the material strips can be carried out in a manner known per se.
  • Slide strips are suitable as folding tools, the spacing of which is preferably adjustable and changeable.
  • Suitable as a device for positioning the material strips there are, for example, spaced-apart clamping bands which grip the strips of material at opposite edge sections.
  • a structurally preferred embodiment of the stripping device provides that a plunger with an end-side stripper element is arranged on the brackets and the plunger can be actuated by a link control in the stripping station. The adjustment stroke of the scraper element and the actuating speed of the ram can be changed by the link control.
  • the invention teaches that a processing station with movable folding tools is arranged between the folding station and the stripping station.
  • a processing station has a folding wheel which is driven synchronously with the drive of the belt and has at least one folding finger, by the movement of which a projecting end of the strip of material can be placed against the continuously moving shaped pin.
  • strips of material lying against the shaped pins can first be closed in a ring.
  • holding fingers are pivotally connected to the brackets, which close by means of a link guide in the circumferential direction in the processing station and open behind the stripping station.
  • the device according to the invention is suitable for erecting folding boxes made of cardboard blanks.
  • Subject of The invention is therefore also the use of the device described for the production of folding boxes, with grooved, punched, cut to length and glued cardboard strips positioned in the orbit of the mold pins transversely to their direction of movement, captured by a rotating mold pin, during the circulation in the folding station to one Folding box erected and handed over to a transport device in the stripping station.
  • the device shown in the figures is used to fold flat strips of material, in particular blanks made of paper or cardboard.
  • the basic structure of the device includes at least one endlessly rotating belt 1, shaped pins 2 connected to the belt 1, a folding station 3 with machine-fixed folding tools 4 arranged along the orbit of the shaped pins 2, a device 5 for positioning material strips 6 in the orbit of the shaped pins 2 transverse to their direction of movement and a stripping station 7 with a device 8 for stripping the folded strips of material.
  • the belt 1 is guided via a drive wheel 9 and a deflection wheel 10 and runs continuously.
  • the device 5 for positioning the material strips, the folding station 3 and the stripping station 7 are arranged one behind the other in the circumferential direction along the orbit of the shaped pins 2.
  • the shaped pins 2 are fastened to brackets 11, the structural design of which is shown in FIGS. 5a, 5b.
  • the consoles 11 are connected to two toothed belts 1 guided in parallel and are guided along the orbit on a carrier plate 12.
  • a plunger 13 with an end wiper element 14 is arranged on the brackets 11.
  • the plunger 13 can be actuated by a link control in the stripping station 7.
  • the link control has a link 15 with a machine-fixed part 16 and a pivotably adjustable part 17, the adjustable distance of which is bridged by an inserted spring plate 18 (FIG. 6).
  • the backdrop 15 forms with the inserted spring plate 18 a closed cam track for a link roller 19 connected to the tappet 13.
  • FIGS. 1 and 2 a comparative examination of FIGS. 1 and 2 reveals that a processing station 20 with movable folding tools is arranged between the folding station 3 and the stripping station 7.
  • the processing station 20 has a folding wheel 21 which is driven synchronously with the drive of the belt and has at least one folding finger 22, by means of the movement of which a protruding end of the material strips can be applied to the continuously moving mold pin 2.
  • the folding wheel 21 is connected in the exemplary embodiment with the interposition of a bevel gear 23 to the drive device of the drive wheel 9, so that the movements of the toothed belt 1 with connected shaped pin 2 and the folding wheel 21 take place synchronously.
  • the bevel gear transmission 23 is connected by belts on the one hand to the drive axle 24 of the drive device and on the other hand to the transfer wheel 21.
  • holding fingers 25 are pivotally connected to the brackets 11, which close by a slide guide in the circumferential direction in the processing station 20 and open behind the stripping station 7.
  • the holding fingers 25 fix the rear end of the material strips, which is placed on the form pins 2 in the processing station.
  • the machine-fixed folding tools 4 are designed in a manner known per se as folding rails, the spacing of which can be set and changed by a spindle device 26.
  • 8a and 8b show the folding tools 4 with the spindle device 26 in an end view and in a top view.
  • 3 and 4 show the arrangement of the assemblies explained above in the device.
  • the structure of the device is self-explanatory taking into account the above explanations.
  • the device described enables the insertion of instruction leaflets in packaging.
  • Beforehand printed and multi-layer folded insert paper strips 6 are first positioned in the orbit of the shaped pins 2 transversely to their direction of movement. They are gripped by a circumferential shaped pin and folded in the folding station 3 in a C-shape with a protruding end. The protruding end of the insert paper strips folded in a C-shape is placed in the processing station 20 arranged on the further circulation path by means of the movable folding tools 20, 21 and fixed to the form pins 2. Finally, the annularly closed insert paper strips are stripped off in the stripping station 7 by the shaped pins 2 in packs 27, which are moved below the rotating shaped pins 2 synchronously with the latter.
  • the device described can also be used for the production of folding boxes.
  • grooved, punched, cut to size and glued cardboard strips are positioned in the orbit of the mold pins transversely to their direction of movement. There they are gripped by a circumferential shaped pin, erected into a folding box during the circulation in the folding station and transferred to a transport device in the stripping station.

Landscapes

  • Making Paper Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP97106352A 1996-05-07 1997-04-17 Dispositif pour le pliage de matériaux plats en feuilles, en particulier des segments de bandes de papier ou de carton Withdrawn EP0806393A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996118295 DE19618295A1 (de) 1996-05-07 1996-05-07 Vorrichtung zum Falten von ebenen Materialstreifen, insbesondere von Zuschnitten aus Papier oder Karton
DE19618295 1996-05-07

Publications (2)

Publication Number Publication Date
EP0806393A2 true EP0806393A2 (fr) 1997-11-12
EP0806393A3 EP0806393A3 (fr) 1998-06-10

Family

ID=7793584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97106352A Withdrawn EP0806393A3 (fr) 1996-05-07 1997-04-17 Dispositif pour le pliage de matériaux plats en feuilles, en particulier des segments de bandes de papier ou de carton

Country Status (2)

Country Link
EP (1) EP0806393A3 (fr)
DE (1) DE19618295A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116573442A (zh) * 2023-05-23 2023-08-11 德州春祥包装制品有限公司 一种纸板加工自动折叠装置及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882658A (en) * 1973-03-16 1975-05-13 Kinderman Abraham S Apparatus for wrapping and cutting material of indeterminate length
EP0086712A1 (fr) * 1982-02-10 1983-08-24 Surepack Machine pour l'élaboration d'éléments intercalaires et leur guidage jusqu'aux espaces prévus entre des objets à emballer dans une caisse; emballages ainsi obtenus
GB2181401A (en) * 1985-10-10 1987-04-23 Molins Plc Packing machines
US5185987A (en) * 1991-11-01 1993-02-16 Dowbrands Inc Apparatus for transferring stacks of flexible products

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882658A (en) * 1973-03-16 1975-05-13 Kinderman Abraham S Apparatus for wrapping and cutting material of indeterminate length
EP0086712A1 (fr) * 1982-02-10 1983-08-24 Surepack Machine pour l'élaboration d'éléments intercalaires et leur guidage jusqu'aux espaces prévus entre des objets à emballer dans une caisse; emballages ainsi obtenus
GB2181401A (en) * 1985-10-10 1987-04-23 Molins Plc Packing machines
US5185987A (en) * 1991-11-01 1993-02-16 Dowbrands Inc Apparatus for transferring stacks of flexible products

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116573442A (zh) * 2023-05-23 2023-08-11 德州春祥包装制品有限公司 一种纸板加工自动折叠装置及方法
CN116573442B (zh) * 2023-05-23 2024-04-05 德州春祥包装制品有限公司 一种纸板加工自动折叠装置及方法

Also Published As

Publication number Publication date
DE19618295A1 (de) 1997-11-13
EP0806393A3 (fr) 1998-06-10

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