EP0109582B1 - Vorrichtung zum Herstellen von Verpackungszuschnitten - Google Patents

Vorrichtung zum Herstellen von Verpackungszuschnitten Download PDF

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Publication number
EP0109582B1
EP0109582B1 EP83110663A EP83110663A EP0109582B1 EP 0109582 B1 EP0109582 B1 EP 0109582B1 EP 83110663 A EP83110663 A EP 83110663A EP 83110663 A EP83110663 A EP 83110663A EP 0109582 B1 EP0109582 B1 EP 0109582B1
Authority
EP
European Patent Office
Prior art keywords
conveyor
roller
web
region
suction
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
Application number
EP83110663A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0109582A1 (de
Inventor
Heinz Focke
Kurt Liedtke
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.)
Focke and Co GmbH and Co KG
Original Assignee
Focke and Co GmbH and Co 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
Application filed by Focke and Co GmbH and Co KG filed Critical Focke and Co GmbH and Co KG
Publication of EP0109582A1 publication Critical patent/EP0109582A1/de
Application granted granted Critical
Publication of EP0109582B1 publication Critical patent/EP0109582B1/de
Expired 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
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/28—Folding in combination with cutting
    • 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
    • B26D7/01—Means for holding or positioning work
    • B26D7/018—Holding the work by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2183—Product mover including gripper means
    • Y10T83/2185—Suction gripper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/323—With means to stretch work temporarily
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4769—Work feeder mounted on tool support
    • Y10T83/4772—Gripper-type feeder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/4847—With cooperating stationary tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6579—With means to press work to work-carrier

Definitions

  • the invention relates to a device for producing (pack) blanks by separating them from a continuous web, in which the web or the blanks are transported by at least one rotating conveyor belt, which is at least partially affected by suction air, and starting from the separation until after the separation are continuously guided.
  • packaging material with difficult behavior in terms of packaging technology requires special measures with regard to the transport and the fixing of the packaging material up to the wrapping around the object to be wrapped. This is particularly true when processing such packaging materials in the area of high-performance packaging machines, e.g. when wrapping cigarette packs in an outer wrap.
  • a necessary cut is made transversely to the path of the packaging material for separating the individual blanks in successive partial cuts.
  • pre-cuts are made in the lateral area of the web, which do not interrupt the connection of the blank thus marked with the web.
  • a main cut is then made, which adjoins the pre-cuts and brings about the complete separation of the blank from the web.
  • the web and blanks are transported during a partial route by conveyor belts which are supplied with suction air via suction holes and fix the web or the blank by suction during transport.
  • the main cut is made between these in the area of these conveyor belts. As a result, the web or the cut blank is continuously forced until it is taken over by a (cigarette) pack.
  • a device in which a web is passed over a knife roller, which is at the same time designed as a conveyor roller with suction bores for holding and transporting the web.
  • the web is passed unguided to the knife roller; the cut pieces fall off the roller after the cut (after switching off the suction air).
  • Such a device is of course only suitable for processing very heavy and stable or stiff materials, whereby the working speed must not be high.
  • the object of the invention is to design a device for producing blanks by separating them from a web in such a way that their structure is simple, but their operation is more reliable than before.
  • the blank is therefore separated from it in a single, continuous, cross-cutting cut.
  • This separation takes place in the area of an intermediate conveyor, which temporarily takes over the web or the rear end of the cut blank as a supplementary organ of forced conveyance between the successive conveyor sections of the conveyor belts.
  • This intermediate conveyor is preferably a conveyor roller which is at the same time designed as a knife roller, namely with a separating knife arranged on the circumference of its roller jacket. This works together with a fixed counter knife or a stationary, rotating counter knife roller.
  • the conveyor belts are designed (in a manner known per se) in such a way that suction air is applied to them in the region of a conveying run via suction holes in order to fix the web or the blank.
  • the web In the area of the intermediate conveyor, the web is delivered to the circumference or roller jacket of the conveyor roller and is also fixed thereon by suction air. In the area of transfer from one conveyor to the other, the suction air becomes ineffective with respect to the web to be dispensed or the blank to be dispensed.
  • the conveyor sections of the conveyor belts can alternatively be formed by interrupting the conveying run of a single, common conveyor belt, the conveyor belt being deflected in the region of the intermediate conveyor by deflecting rollers and at the same time being pressed against the circumference of the conveyor roller by these.
  • two separate conveyor belts running to the conveyor roller can be used.
  • a conveyor belt preferably consists of two lateral, narrow conveyor belts, which consist of a row of suction holes in the Area of the side edges of the web and the blank are provided.
  • the device shown in the drawings serves to produce blanks 10 and to feed them into a cuboid pack 11, in particular a cigarette pack.
  • the blank 10 serves as the outer covering of the (cigarette) pack 11.
  • the packaging material is accordingly a transparent, extremely thin plastic film.
  • the packaging material is fed as a continuous web 12.
  • Pull rollers 13 and 14 effect the transport of the web 12 drawn off from a bobbin.
  • the conveyor belts 16, 17 are provided with a continuous row of suction holes 20 in the region of the contact of edge regions of the web 12 or of the blank 10. These are arranged at a distance from one another in the transport direction and are supplied with suction air on the side opposite the web 12 or the blank 10.
  • the conveyor belt 15 thus formed is guided over upper and lower deflection rollers 21 and 22. These are arranged in such a way that the conveyor run 18, 19 for the transport of web 12 and blank 10 runs essentially vertically.
  • a third deflection roller 23 arranged offset from this causes a trouble-free guidance of the conveyor belt 15 in the non-conveying area.
  • the blanks 10 are separated from the web 12 in the region of an uninterrupted forced conveyor line, which is essentially formed by the conveyor belt 15, and conveyed onward.
  • the conveyor belt 15 is divided into (at least) two conveyor sections 24 and 25. These are determined by an interruption in the conveying run of the conveyor belt 15 in such a way that the two separate conveying runs 18 and 19 are formed.
  • an intermediate conveyor is installed here, which in the present exemplary embodiment is designed as a conveyor roller 26.
  • the web 12 fed through the conveyor run 18 is transferred to the conveyor roller 26, namely applied to its roller jacket 27.
  • the rotating conveyor roller 26 feeds the web 12 to the facing receiving end of the (second) conveyor section 25.
  • the blank 10 is separated from the web 12 by a separating cut.
  • the conveying roller 26 is also designed as a knife roller for this purpose.
  • a radially directed cutting knife 28 installed in the conveying roller 26 protrudes slightly beyond the roller shell 27.
  • the separation cut is made in the web 12 by momentary interaction with a stationary counter knife 29. Dimensions, conveyor speeds and relative positions are matched to one another such that, as shown in FIG. 1, the separating cut is carried out approximately in the middle between the conveyor sections 24 and 25.
  • the pack 11 Immediately after the separating cut, that is to say after the cut 10 has been produced, it is taken over by the pack 11 conveyed transversely to the plane of the cut 10 on a packing track 30, namely by slipping pulling off of the cut 10 from the conveyor belt 15.
  • the cut 10 lies in the further course of the transport movement of the pack 11 in a U-shape around it.
  • the pack 11 is pushed into a pocket 31 of a folding turret 32 after the blank 10 has been taken over. The folding of the blank 10 is then continued here.
  • the conveyor sections 24 and 25 are formed in the present embodiment by the common conveyor belt 15. This or the conveyor run 18, 19 of the same is deflected at the end of the first conveyor section 24 by a pressure roller 33 approximately by an angle of 90 ° from the (vertical) plane of the conveyor run 18.
  • the conveyor belt 15 then runs over an intermediate deflecting roller 34, which is set back with respect to the plane of the conveyor strands 18 and 19.
  • the counter knife 29 is arranged in an intermediate space 35 formed thereby.
  • the conveyor belt 15 leads from the intermediate deflecting roller 34 back into the plane of the conveyor strands 18, 19, specifically via a second pressure roller 36.
  • the two pressure rollers 33 and 36 are et wa arranged in a common vertical plane.
  • the conveyor roller 26 lies with its conveyor jacket! 27 each on the conveyor belt 15.
  • the web 12 fed in the region of the conveyor run 18 is thereby brought up to the roller jacket 27 of the conveyor roller 26 in the region of the pressure roller 33.
  • the conveyor roller 26 transports the web 12 or the blank 10 to the further conveyor run 19 in the region of the deflection of the conveyor belt in the region of the pressure roller 36.
  • the conveyor roller 26 is provided with suction bores 37 along its circumference. These are each arranged in transverse or axially parallel rows and connected to a connection bore 38 running within the conveyor roller 26 and assigned to each row of the suction bores 37.
  • the connection bores 38 which extend in the vicinity of the roller shell 27, are connected to a suction segment 39 during a partial region of the rotation of the conveyor roller 26. This is formed in the usual way as a groove open on one side in a stationary control ring 40, which is elastically supported by springs 41 and is non-rotatably supported by pins 42 coaxially with the conveyor roller 26.
  • the suction segment 39 extends over a rotary region of the conveying roller 26 facing the pressure roller 33, specifically beyond the location of the separating cut (counter knife 29).
  • the suction segment 39 ends in front of the area where the roller jacket 27 abuts the pressure roller 36. Instead of this, a vent hole 43 is formed in the control ring 40 directly in this area.
  • the connection bores 38 located in the area of the suction segment 39 accordingly generate a holding force on the web 12 or the blank 10 via the suction bores 37, while the connection bores 38 immediately release the web or blank in the area of the vent hole 43.
  • the pressure roller 33 is designed in such a way that it does not exert any suction effect on the adjacent conveyor belt, so it has a smooth surface.
  • the transfer of the web 12 to the roller jacket 27 of the conveyor roller 26 is therefore trouble-free because the web 12 is sucked onto the roller jacket 27 with simultaneous release in the area of the pressure roller 33.
  • the web 12 or the blank 10 is reversed in the area of the pressure roller 36 released by the roller jacket 27 and taken over by the pressure roller 36 or the conveyor belt 15 which is supplied with suction air.
  • the suction bores 37 of the conveying roller 26 are provided with elongated, namely slot-shaped orifices 44 (FIG. 3). These are arranged at an acute angle to the conveying direction of the web 12 or of the blank 10, and in fact diverging in the direction of movement. As a result, a spreading, transversely spreading effect is exerted on the web 12 or the blank 10 via the suction air, so that any folds, distortions, etc. are eliminated.
  • a smoothing effect in the conveying direction is additionally achieved in that the conveying roller 26 is preferably driven at a somewhat higher speed (roller jacket 27) than the web 12 or the blank 10.
  • the suction air is transmitted in the region of the conveyor strands 18, 19 through separate suction chambers 45 and 46 to the conveyor belt 15 or the conveyor belts 16, 17.
  • the suction chambers 45, 46 are connected to a suitable vacuum source (hose connector 47).
  • the upper suction chamber 45 is formed in the present case with a continuous, undivided interior.
  • a chamber wall 48 facing the conveyor strand 18 is provided in the region of the conveyor belts 16, 17 or the suction holes 20 with suction slots 60 running in the direction thereof. The negative pressure is transferred to the conveyor belts 16, 17 via these.
  • the lower suction chamber 46 consists, at least in the area of the transverse conveyance of the pack 11, of two lateral, elongated partial chambers 49 and 50 which extend in the area of the conveyor belts 16, 17 (conveyor run 19). In the lower region, these partial chambers 49, 50 merge into a connecting chamber 51 which extends over the full width.
  • the chamber wall 52 facing the conveyor belts 16, 17 has a sharp-edged leading edge 53 for the respective front end of the web 12.
  • the width of the partial chambers 49, 50 or their interior corresponds approximately to the width of the conveyor belts 16, 17.
  • the conveyor belts 16, 17 are here - as in the area of the suction chamber 45 - guided in groove-like depressions 54 in such a way that the outer side receiving the blank 10 or the web 12 is essentially flush with the chamber wall 48 or 52.
  • the pressure roller 36 is also formed here in a special way (FIG. 5). This consists of lateral individual rollers 55 and 56, each associated with a conveyor belt 16 or 17 of the conveyor run 19.
  • the individual rollers 55, 56 are designed as hollow bodies and are formed in the plane of the suction holes 20 with a circumferential ring of suction bores 57.
  • the individual rollers 55, 56 are connected to one another by an axle piece 58.
  • the individual rollers 55, 56 are located at least with their jacket having the suction bores 57 within the suction chamber 46 or the subchambers 49 and 50. On the inner side in the axial direction, the subchambers 49, 50 are delimited in this area by the individual rollers 55, 56.
  • This arrangement ensures that the negative pressure prevailing in the suction chamber 46 or in the subchambers 49, 50 is transmitted to the interior of the individual rollers 55, 56 and thus to the conveyor belts 16, 17 resting on the jacket of the individual rollers 55, 56 the pressure roller 36 is therefore not a separate vacuum source or a separate connection to this.
  • rollers 23, 33, 34 and 36 and the conveyor roller 26 are mounted laterally in or on a common machine wall 59 in the exemplary embodiment shown. This is also part, namely lateral limitation or holder for the suction chambers 45 and 46.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Advancing Webs (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Making Paper Articles (AREA)
EP83110663A 1982-11-11 1983-10-26 Vorrichtung zum Herstellen von Verpackungszuschnitten Expired EP0109582B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823241636 DE3241636A1 (de) 1982-11-11 1982-11-11 Vorrichtung zum herstellen von verpackungszuschnitten
DE3241636 1982-11-11

Publications (2)

Publication Number Publication Date
EP0109582A1 EP0109582A1 (de) 1984-05-30
EP0109582B1 true EP0109582B1 (de) 1986-06-04

Family

ID=6177811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83110663A Expired EP0109582B1 (de) 1982-11-11 1983-10-26 Vorrichtung zum Herstellen von Verpackungszuschnitten

Country Status (5)

Country Link
US (1) US4524658A (en, 2012)
EP (1) EP0109582B1 (en, 2012)
JP (1) JPS5993619A (en, 2012)
BR (1) BR8306071A (en, 2012)
DE (2) DE3241636A1 (en, 2012)

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DE2530992C3 (de) * 1975-07-11 1980-01-31 Focke & Pfuhl, 2810 Verden Vorrichtung zum Herstellen von Verpackungszuschnitten
US4041816A (en) * 1975-09-23 1977-08-16 E. I. Du Pont De Nemours And Company Rotary web chopper
DE2833232C2 (de) * 1978-07-28 1983-09-08 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum Herstellen von Hemdchenbeuteln aus einer mit Seitenfalten versehenen Kunststoffschlauchfolienbahn
DE2906164C2 (de) * 1979-02-17 1982-08-05 Stiegler, Karl Heinz, 7000 Stuttgart Fördervorrichtung für folienförmige Werkstücke mit einer Weiche
DE2906204A1 (de) * 1979-02-17 1980-09-04 Focke & Co Vorrichtung zum einhuellen von gegenstaenden, insbesondere zigaretten- gruppen
JPS5644652U (en, 2012) * 1979-09-11 1981-04-22
DE2949685A1 (de) * 1979-12-11 1981-06-19 Focke & Co, 2810 Verden Vorrichtung zum herstellen von packungszuschnitten durch abtrennen von einer fortlaufenden bahn
DE3040021A1 (de) * 1980-10-23 1982-05-13 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum bilden und stapeln von von einer folienschlauchbahn abgetrennten abschnitten

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DE3241636C2 (en, 2012) 1993-04-22
JPS5993619A (ja) 1984-05-30
DE3363953D1 (en) 1986-07-10
BR8306071A (pt) 1984-06-12
US4524658A (en) 1985-06-25
DE3241636A1 (de) 1984-05-17
JPH0440254B2 (en, 2012) 1992-07-02
EP0109582A1 (de) 1984-05-30

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