EP1757521A1 - Une machine pour emballer des produits dans les boîtes - Google Patents

Une machine pour emballer des produits dans les boîtes Download PDF

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Publication number
EP1757521A1
EP1757521A1 EP06118539A EP06118539A EP1757521A1 EP 1757521 A1 EP1757521 A1 EP 1757521A1 EP 06118539 A EP06118539 A EP 06118539A EP 06118539 A EP06118539 A EP 06118539A EP 1757521 A1 EP1757521 A1 EP 1757521A1
Authority
EP
European Patent Office
Prior art keywords
case
pusher
cases
folding
flaps
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
EP06118539A
Other languages
German (de)
English (en)
Other versions
EP1757521B1 (fr
Inventor
Massimo Malini
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.)
Aetna Group SpA
Original Assignee
Aetna Group SpA
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 Aetna Group SpA filed Critical Aetna Group SpA
Publication of EP1757521A1 publication Critical patent/EP1757521A1/fr
Application granted granted Critical
Publication of EP1757521B1 publication Critical patent/EP1757521B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/02—Machines characterised by incorporation of means for making the containers or receptacles
    • B65B5/024—Machines characterised by incorporation of means for making the containers or receptacles for making containers from preformed blanks

Definitions

  • This invention addresses the sector of packaging products of different kinds in cardboard cases fed to the machine in the form of open sheets.
  • the invention relates to a machine for handling cases positioned transversally to the feed line forming an open-ended tube coaxial with the feed direction.
  • Packing machines known at present basically comprise a line for conveying the succession of open cases to be folded and a second line for conveying a succession of products to be packed in the cases and merging with the first line at a pairing station where each product is paired to a respective open case.
  • the open case and the product proceed through other operating stations where the sides of the case are folded to form a tube and where the flaps are folded to close the front and back of the packing case.
  • the order in which the sides and flaps of the case are folded may vary but usually the tube is formed first and then the side and upper/lower flaps are closed.
  • the aim of this invention is therefore to overcome the above mentioned drawbacks by providing a machine for packing products in cases which, compared to prior art machines, is more flexible in terms of adaptability to different case sizes.
  • a machine for packing products P in cases 1 comprises ( Figures 1a to 1c):
  • the cases 1 are positioned transversally, that is to say, with the crease lines 8 between contiguous case sides 9 parallel to the direction of feed;
  • the station for folding the case into a C shape ( Figure 2) comprises a pair of cams 7 located under the case 1 conveyor on the line L1 at the crease lines 8 of the base 10 of the case 1.
  • gluing unit which spreads glue (in customary manner) on one edge of the side of the case that will be placed over the contiguous side to stably close the tube 13.
  • the case continues moving forward until it reaches the station S4 ( Figures 4, 5) for folding the side flaps of the case.
  • the station S4 comprises two folding devices 15 according to the invention located on each side of the line L1.
  • each folding device 15 comprises two arms 16/16' pivoted at the end of a lever 17 that rotates through 360° on a central pivot 18.
  • the arms 16 can rotate relative to the lever 17 but remain oriented transversally to the direction D since they are locked to the ends of a second lever or connecting rod 19 which, together with the arms 16, 16' and the lever 17 forms a four-bar linkage actuated by the drive system of the pin 18.
  • the translational movement of the arms (which remain transversal to the feed direction) provides a large surface on which the pushers can rest on the case flaps, and hence greater stability of movement during closure of the side flaps and less risk of damaging the package.
  • the folders 15 are adjustably mounted for height so that the position of the arms 16/16' can be adapted to the size of the cases and always act on a central point of the flaps.
  • FIGS 8 and 9 illustrate in more detail an embodiment of the folder 15 in which the pin 18 of the lever 17 and a central pin 28 of the connecting rod 19 are rotationally driven by respective belts 29, 30 driven by a single drive shaft 31 and fixed to the pins 18, 28 by pulleys 32, 33 splined to the pins themselves.
  • Figures 8 and 9 also show a mechanism for adjusting the device 15 in height.
  • the mechanism comprises a vertical worm screw 35 engaged with a gear 37 enabling it to be rotated using a handwheel 36.
  • first and a second threaded bush 38, 39 that can move vertically when the screw 35 is turned.
  • the bushes 38 and 39 are attached to each other and form part of a frame 34 that mounts, on bearings 41, 40, the rotating pins 18, 28 which in turn support the levers 17 and 19 and, hence the arms 16, 16' of the folding device 15.
  • Figure 7 schematically illustrates the position adopted by a folder 15 at the machine station S4.
  • the rotation speed of the lever 17 is such as to cause the arm 16 to advance at the same speed as the case, or just a little more slowly, so that the front flap is closed when it comes into contact with the side of the arm 16 which is moving sideways.
  • step (c) the rear side flaps 20 reach the arm 16' which advances and moves sideways.
  • the lever 17 now rotates more quickly so that the arm 16' pushes against the flaps 20 and closes the case.
  • the lever 17 continues rotating and returns to the initial position, where the arm 16 is ready to fold the flap 21 of the next case 1.
  • the station S4 also comprises gluing devices, not illustrated because they are of known type, which apply one or more layers of glue on the outside surface of the side flaps 20/21 at least on the parts that come into contact with the upper flap 4 and lower flap 5 when the package is closed.
  • the station S5 comprises two pairs of chains 23/24 positioned above and below the case 1 conveyor line L1 and transversally offset from each other.
  • the chains 23 / 24 have respective folding teeth 25/26 protruding with respect to the front face of the case and designed to fold the front, upper and lower flaps and the rear upper and lower flaps.
  • the speed of the chains 23 and 24 is synchronised with case feed in such manner that the teeth 25 and 26 form a pocket for conveying the case along the station S4 while the glue previously applied sets, thus completing the package 6 being fed out.
  • the machine according to the invention has the advantage of being able to adapt to different case 1 sizes using an electronic control system to vary the initial machine set-up which, depending on the size of the case to be folded, adjusts the speed of the folding devices 15 and of the chains 23, 24, without having to adapt or change any machine component.
EP06118539A 2005-08-25 2006-08-07 Une machine pour emballer des produits dans les boîtes Active EP1757521B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000537A ITBO20050537A1 (it) 2005-08-25 2005-08-25 Macchina per l'imballaggio di prodotti in cartoni

Publications (2)

Publication Number Publication Date
EP1757521A1 true EP1757521A1 (fr) 2007-02-28
EP1757521B1 EP1757521B1 (fr) 2008-01-09

Family

ID=37460006

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06118539A Active EP1757521B1 (fr) 2005-08-25 2006-08-07 Une machine pour emballer des produits dans les boîtes

Country Status (5)

Country Link
EP (1) EP1757521B1 (fr)
AT (1) ATE383310T1 (fr)
DE (1) DE602006000420T2 (fr)
ES (1) ES2300090T3 (fr)
IT (1) ITBO20050537A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105923199A (zh) * 2016-06-30 2016-09-07 上海金谦机械技术有限公司 镜片装盒设备的镜盒内腔成型机构
CN105947261A (zh) * 2016-06-30 2016-09-21 上海金谦机械技术有限公司 镜片装盒设备的镜盒折翼翻折机构

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB953551A (en) * 1959-10-01 1964-03-25 Hedwig Gamble Wrapping device
EP0849176A1 (fr) * 1996-12-19 1998-06-24 SMI S.p.A. Dispositif pour emballer des conteneurs dans des boítes, formées à partir d'une ébauche de carton

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB953551A (en) * 1959-10-01 1964-03-25 Hedwig Gamble Wrapping device
EP0849176A1 (fr) * 1996-12-19 1998-06-24 SMI S.p.A. Dispositif pour emballer des conteneurs dans des boítes, formées à partir d'une ébauche de carton

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105923199A (zh) * 2016-06-30 2016-09-07 上海金谦机械技术有限公司 镜片装盒设备的镜盒内腔成型机构
CN105947261A (zh) * 2016-06-30 2016-09-21 上海金谦机械技术有限公司 镜片装盒设备的镜盒折翼翻折机构
CN105923199B (zh) * 2016-06-30 2023-12-15 上海金谦机械技术有限公司 镜片装盒设备的镜盒内腔成型机构
CN105947261B (zh) * 2016-06-30 2024-01-19 上海金谦机械技术有限公司 镜片装盒设备的镜盒折翼翻折机构

Also Published As

Publication number Publication date
DE602006000420T2 (de) 2009-01-08
EP1757521B1 (fr) 2008-01-09
ITBO20050537A1 (it) 2007-02-26
ES2300090T3 (es) 2008-06-01
DE602006000420D1 (de) 2008-02-21
ATE383310T1 (de) 2008-01-15

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