EP1004511B1 - Dispositif pour la découpe transversale de sacs à bords scellés pour une machine d'emballage - Google Patents

Dispositif pour la découpe transversale de sacs à bords scellés pour une machine d'emballage Download PDF

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Publication number
EP1004511B1
EP1004511B1 EP19990811057 EP99811057A EP1004511B1 EP 1004511 B1 EP1004511 B1 EP 1004511B1 EP 19990811057 EP19990811057 EP 19990811057 EP 99811057 A EP99811057 A EP 99811057A EP 1004511 B1 EP1004511 B1 EP 1004511B1
Authority
EP
European Patent Office
Prior art keywords
shaft
angle
spindle
driven
shafts
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
EP19990811057
Other languages
German (de)
English (en)
Other versions
EP1004511A2 (fr
EP1004511A3 (fr
Inventor
Willy Altermatt
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.)
Syntegon Packaging Systems AG
Original Assignee
SIG Pack Systems AG
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 SIG Pack Systems AG filed Critical SIG Pack Systems AG
Publication of EP1004511A2 publication Critical patent/EP1004511A2/fr
Publication of EP1004511A3 publication Critical patent/EP1004511A3/fr
Application granted granted Critical
Publication of EP1004511B1 publication Critical patent/EP1004511B1/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
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/62—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
    • B26D1/626—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D9/00—Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B65B61/08—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting using rotary cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/62—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
    • B26D2001/623—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder for selecting different knife sets by shifting the angle of the rotary cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed

Definitions

  • FIG. 1 3 to 3 schematically show the conventional manufacture of such Sealed bags or sachets 1. From a supply roll 2 peeled a packaging film 3, separated in the middle and the two webs 4 formed thereby over deflecting rods and deflecting rollers merged. In a first station with rotating Sealing rolls longitudinal seal seams 5 formed between which the products are filled in 6 portions before a final transverse sealing seam 7 is formed.
  • the sachets 1 are by longitudinal cuts 8 in the middle through the Longitudinal sealing seams 5 and 9 cross cuts through the middle Cross seal seams 7 separated into individual sachets 1 ( Figure 1).
  • perforations instead of cross cuts 10 form so that strips of through the perforations 10 connected sachets 1 arise ( Figure 2).
  • Figure 3 Another known variant ( Figure 3) is the formation of double sachets 1 by using two longitudinal sealing seams 5 instead of a separating cut 8 a perforation 11 is cut.
  • EP-A-0'384'801 which corresponds to the preamble of claim 1, discloses a device for cross-cutting of Cotton tapes with two counter-rotating shafts, whereby a cross cutting knife is mounted on a first shaft and on a counter holder is attached to the second shaft.
  • the counterhold has an outer surface, which in a first section continuously and in a second section by several Recesses is broken.
  • the present invention has for its object the manufacture of seal edge bags and simplify a device to create that is flexible in application. This The problem is solved by the combination of features of the claims.
  • FIGs 5 and 6 show a cross section through a cross cutting knife 20 and a counter holder 21.
  • Two shafts 22, 23 are parallel Axes 24, 25 can be rotated in opposite directions by separate servomotors 26, 27 ( Figure 8) driven.
  • the shafts 22, 23 are Prismatic for most of its length. You ever have two diametrically opposite bearing surfaces 28, 29 on which two knives 30 or two counterholders 31 by means of strips 32 and screws 33 are clamped.
  • the knives 30 are with her the end face facing the axis 24 struck on eccentric pins 38, which are formed on screws 39.
  • the screws 39 are in 28 transverse to the bearing surfaces threaded holes 40 screwed in. Through this training, the orbital radius the cutting edge 41 of the knife 30 can be adjusted and the eccentric pins 38 are prevented from falling out.
  • the counter holder 31 has a cylindrical outer surface 45.
  • the first angle segment 46 is the surface 45 in the axial direction continuous.
  • a second angle segment 47 are in the surface 45 milled recesses 48 at a distance from each other.
  • the servo motor 26 of the shaft 24 is synchronous with the feed of the Packaging film 3 by a control device 49 and Controller 50 controlled in such a way that the cutting edge 41 in each case the middle of a transverse sealing seam 7 strikes the film webs 4.
  • the angle of rotation of the shaft 23 is dependent on Angle of rotation of the shaft 22 by the control device 49 via a Controller 51 controlled.
  • the angle of rotation of the shaft 23 relative to a central position be adjusted so that the shaft 23 either around the half angle of the angle segments 46, 47 leads or lags.
  • perforations become due to the recesses 48 10 cut. If it runs on, it becomes a continuous one Partition cut 9 formed. This makes strips 12 a programmable one Number of related sachets 1 formed, which are separated from one another by perforations 10 (FIG. 4).
  • Knife 60 and counterholder 61 mounted on the shafts 22, 23 on the opposite side the strips 58, 59 with the contact surfaces 28, 29 additionally additional Knife 60 and counterholder 61 mounted.
  • the cut edges 62 of the knives 60 are only very short and at a distance from one another Longitudinal sealing seams 5 arranged from each other or in double this Distance.
  • the length of the individual cutting edges 62 of the knife 60 is less than the width of the longitudinal sealing seams 5 and their center is aligned with the center of these sealing seams 5.
  • the Knives 60 are also with screws 39 with eccentric pins 38 adjustable.
  • the device described is very flexible. With her can Individual sachets 1 or strips 12 of a selectable number of contiguous Sachets 1 are formed. Cutting the Tear aid 63 is carried out in one operation on the same device like the formation of the cross-cuts 9 or perforations 10.
  • the device has a modular structure. Same Components are used for various functions. Thereby manufacturing is simplified.
  • the relative angle of rotation of the shaft 23 relative to the shaft 22 can also be adjustable in three discrete positions, one in these positions, the cutting edge 41, the surface 45 of the counter-holder 31 not touched. With this setting, the Strips 12 formed without the perforations 10.
  • the two Shafts 22, 23 by a common motor via a differential gear be driven, with an additional input to the differential gear the switching function between the two selectable angle segments 46, 47 takes over.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (6)

  1. Dispositif pour la découpe transversale de sacs à bords scellés (1) pour une machine d'emballage, comprenant un premier arbre (22) entraíné en rotation autour d'un premier axe (24), sur lequel arbre est monté au moins une lame de coupe transversale (30) dont l'arête de coupe (41) s'étend parallèlement au premier axe (24), un deuxième arbre (23) entraíné en rotation dans le sens contraire de manière synchrone par rapport au premier arbre (22), autour d'un deuxième axe (25) parallèle au premier axe (24), lequel deuxième arbre (23) possède au moins un organe d'appui (31) avec une surface externe (45) approximativement cylindrique circulaire, cette surface externe (45) étant continue dans un premier segment angulaire (46) dans la direction axiale et étant interrompue par plusieurs évidements (48) dans un deuxième segment angulaire (47), ainsi qu'un dispositif de commande (49), au moyen duquel l'angle de rotation du deuxième arbre (23) est réglable par rapport à l'angle de rotation du premier arbre (22) de manière programmée entre deux valeurs de telle sorte que l'arête de coupe (41) arrive soit dans le premier segment angulaire (46) soit dans le deuxième segment angulaire (47) sur la surface externe (45), caractérisé en ce que sur l'un des arbres (22, 23) au moins une deuxième lame (60) est en outre montée avec plusieurs arêtes de coupe courtes alignées les unes avec les autres (62), et au moins un deuxième organe d'appui (61) correspondant est monté sur l'autre arbre (23, 22).
  2. Dispositif selon la revendication 1, dans lequel les deux segments angulaires (46, 47) sont approximativement égaux et approximativement égaux à l'angle de réglage relatif.
  3. Dispositif selon l'une quelconque des revendications 1 ou 2, dans lequel les deux arbres (22, 23) sont entraínés par des servomoteurs séparés (50, 51) avec rappel angulaire, le premier arbre (22) étant entraíné de manière synchrone avec l'avance de la feuille (3) et le deuxième arbre (23) étant entraíné en fonction de l'angle de rotation du premier arbre (22).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, dans lequel les deux arbres (22, 23) sont réalisés sur la majeure partie de leur longueur avec une forme prismatique.
  5. Dispositif selon les revendications 1 et 4, dans lequel les arbres (22, 23) présentent des listels (58) avec des faces d'appui opposées (28, 29), la première lame (30) étant montée sur le premier arbre (22) sur l'une des faces d'appui (28), et le deuxième organe d'appui (61) étant monté sur la face d'appui opposée.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, dans lequel les lames (30, 60) sont accrochées avec leurs faces frontales tournées vers les axes correspondants (24, 25) sur au moins deux broches d'excentrique (38) ajustables.
EP19990811057 1998-11-27 1999-11-17 Dispositif pour la découpe transversale de sacs à bords scellés pour une machine d'emballage Expired - Lifetime EP1004511B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH982358 1998-11-27
CH235898 1998-11-27

Publications (3)

Publication Number Publication Date
EP1004511A2 EP1004511A2 (fr) 2000-05-31
EP1004511A3 EP1004511A3 (fr) 2000-09-27
EP1004511B1 true EP1004511B1 (fr) 2002-07-17

Family

ID=4231937

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990811057 Expired - Lifetime EP1004511B1 (fr) 1998-11-27 1999-11-17 Dispositif pour la découpe transversale de sacs à bords scellés pour une machine d'emballage

Country Status (2)

Country Link
EP (1) EP1004511B1 (fr)
DE (1) DE59902028D1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2840558B1 (fr) * 2002-06-07 2004-10-01 Rapidex Sm Machine de traitement de feuilles avec des decoupes ou des plis transverseaux a leur direction d'avancement
DE102015223706A1 (de) * 2015-11-30 2017-06-01 Robert Bosch Gmbh Vorrichtung zum Bilden von einer Mehrzahl von Bahnen von Beuteln
ITUA20162321A1 (it) * 2016-04-05 2017-10-05 Ica Spa Produzione di confezioni di materiale flessibile aventi uno o più spigoli arrotondati e una o più indentature per l`apertura facilitata
IT201700002424A1 (it) * 2017-01-11 2018-07-11 Easysnap Tech S R L Unita' di incisione per realizzare una confezione monodose con apertura a rottura
EP3621885B1 (fr) * 2017-05-12 2022-03-30 Delta Systems & Automation LLC Têtes destinées à une machine d'emballage par enveloppement à flux horizontal et procédé

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH610261A5 (fr) * 1977-03-11 1979-04-12 Sig Schweiz Industrieges
FR2452886A1 (fr) * 1979-04-05 1980-10-31 Molins Ltd Systeme de coupe pour dispositif d'assemblage de filtres sur des cigarettes
FR2643009A1 (fr) * 1989-02-14 1990-08-17 Kaysersberg Sa Dispositif de coupe rotative pour bande d'ouate de cellulose ou autre materiau souple et utilisation d'un tel dispositif
US5477656A (en) * 1993-12-21 1995-12-26 Sig Schweizerische Industrie-Gesellschaft Apparatus for making groups of interconnected bag packages
DE19630369A1 (de) * 1995-07-29 1998-02-05 Juergen Zimmel Vorrichtung zum Stanzen von bandförmigem und bogenförmigem Material
WO1997023398A1 (fr) * 1995-12-22 1997-07-03 Wjc Systec A/S Procede permettant de perforer et/ou de decouper/et/ou d'entailler une bande et dispositf correspondant
US5797305A (en) * 1996-02-12 1998-08-25 Moore Business Forms, Inc. On demand cross web perforation

Also Published As

Publication number Publication date
DE59902028D1 (de) 2002-08-22
EP1004511A2 (fr) 2000-05-31
EP1004511A3 (fr) 2000-09-27

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