EP1712469A1 - Dispositif pour la fabrication de sacs, avec un poste de déroulement et un poste de joint - Google Patents

Dispositif pour la fabrication de sacs, avec un poste de déroulement et un poste de joint Download PDF

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Publication number
EP1712469A1
EP1712469A1 EP06007547A EP06007547A EP1712469A1 EP 1712469 A1 EP1712469 A1 EP 1712469A1 EP 06007547 A EP06007547 A EP 06007547A EP 06007547 A EP06007547 A EP 06007547A EP 1712469 A1 EP1712469 A1 EP 1712469A1
Authority
EP
European Patent Office
Prior art keywords
web
station
bag machine
edge
bag
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Withdrawn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
EP06007547A
Other languages
German (de)
English (en)
Inventor
Stephan Plewa
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.)
Mediseal GmbH
Original Assignee
Mediseal 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 Mediseal GmbH filed Critical Mediseal GmbH
Publication of EP1712469A1 publication Critical patent/EP1712469A1/fr
Withdrawn legal-status Critical Current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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/023—Packaging fluent material
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • 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
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/06—Cutting webs along their longitudinal direction

Definitions

  • the invention relates to a four-bar seal bag machine with a unwinding station for receiving a roll of a printed continuous web from the front and back of a bag, with a longitudinal cutting station, and with a substantially outwardly disposed on the four-edge bag machine and upwardly directed web portion extending in a through the four-edge bag machine and then continues down again through a sealing station extending web guide, wherein the sealing station is designed for the attachment of at least one longitudinal and one transverse seam between the front and back of the bag.
  • the invention also relates to a method of operating such a four-edge bag sealing machine. In a four-edge seal bag machine, a printed contiguous web of front and back is formed into a bag and used to package the contents of the bag.
  • the web is thus provided on one side with the printed images for the front and the back of the bag, while it is unprinted on the other side and there carries a coating for the seal.
  • This other side then forms the inside of the final bag to be created, while the printed side forms the front and the back of the bag.
  • the continuous web is longitudinally cut in two sub-webs prior to sealing, with one sub-web carrying the printed image of the front of the bag and the other sub-web bearing the printed image of the back of the bag.
  • the coherent web used in four-edge bag machines which carries on one side the printed image of the front and the back of a bag, is printed in a known manner in a printing machine and wound at its end so that the printed side on the roll produced outwards.
  • This role of a printed coherent web of front and back is then used in packaging the products in a four-edge bag machine (DIN EN 415-3, pages 10 and 6, October 2000 edition, Beuth Verlag GmbH) and unrolled that the normal free top view on the unprinted, provided with the seal coating side of the web on the four-edge bag machine, while the printed side of the web of the four-edge bag machine is facing.
  • the printed side of the web is thus largely not visible and unreachable by an operator of the four-edge seal bag machine.
  • the unwind station in which such a roll from the continuous printed web is used on the sealing machine, is located at the rear of the sealing machine, while the sealing station is located at the front of the machine, so that the web passes through the sealing machine from back to front.
  • the axis of the roll in the unwinding station is horizontally aligned in a vertical plane which is perpendicular to the sealing plane of the sealing station.
  • the unwinding station is usually arranged at a low height above the floor on which the sealing machine rests, in order to be able to reasonably handle the rolls which are relatively heavy, in particular for several uses.
  • a Vierrandsiegellessnessmaschine of the type described above is from the DD 31 533 known.
  • the four-edge bag machine has a unwind station for receiving a roll of printed continuous web from the front and back of a bag. There is provided a slitting station with which the web is cut into two partial webs, one of which carries the front sides and the other the backs of the bags. Substantially on the outside of the four-edge bag machine, an upwardly directed web section is formed, which continues in a web guide running through the four-edge bag machine and then down again through a sealing station. The sealing station is for the attachment of the longitudinal and transverse seams between the front and back of the bag educated.
  • the web is guided immediately after the unwinding via a first guide roller down and deflected by a second guide roller back up. If the unwinding station is arranged at a low height above a floor slab and thus the four-edge seal bag machine is placed on this floor slab, this web guide requires a breakthrough in the floor slab. The outer printed side of the web portion of the web can then be treated one floor below free top view and / or acted on this. The web is unwound from the roll in the unwinding station so that the printed side of the web, after having been passed twice through the opening in the upwardly directed web section, faces the four-edge coarse bag machine and is thus not accessible from the outside. If the unwind station is arranged at a relatively high level on the four-edge bag machine, difficulties and dangerous situations arise when loading the unwind station with the rollers.
  • Such four-edge seal bag machines can and are usually equipped with a cutting and gluing table, which faces away from the sealing machine in front of the web.
  • the cutting and gluing table is thus in relation to the unprinted side of the web, so that the operator can only see this unprinted side.
  • the operation is cumbersome and can only be limited.
  • the joining of two sheets of successive rolls is accomplished with a bonding operation performed on the surface of the new roll, although a cutting and gluing table is provided.
  • This is in fact the only point on the four-edge bag machine, apart from the sealing station, at which the printed side of the web is freely visible from the outside, so that a grid-accurate gluing is possible.
  • Even such handling is inconvenient and uncertain, because on the cylinder circumference of the new role must be cut so that only one layer of the web is cut on the new role. Often, too accidentally cut too deep, so that the gluing process must be repeated.
  • Another known possibility is to design the track of the web within the four-edge bag machine so that the web is guided away from the sealing machine in a web section.
  • no free top view of the printed side of the web is given here, so that in practice z. B. webs are glued arbitrarily without regard to a grid-accurate gluing, so that a large number of reject bags are produced with the sealing machine until a corresponding control device of the sealing machine has corrected the corresponding offset and again sellable bag arise. This can lead to significant signs of contamination on the sealing machine, which entail an interruption of operation and require expensive cleaning work.
  • the invention has for its object to provide a four-edge seal bag machine of the type described above and a method for their operation, in which the unwinding allows easy and safe loading of roles and the space after the unwinding a simple and safe treatment and / or action on the printed side of the web allows.
  • an additional printing unit, a cutting and gluing table, control and monitoring equipment and the like can be arranged and operated under free plan view from the outside.
  • the new four-edge sandwich bag machine has a reversing device for the web from the front and back, which is arranged above the unwinding station.
  • the turning device reverses the web in such a way that the printed side of the web is guided in the direction of the turning device of the sealed-edge bag machine.
  • the roll is hung and unrolled in the unwinding station with an axis rotated by 180 ° compared to the prior art in such a way that the printed side of the web faces outward relative to the four-edge coater bag machine.
  • This web section can be used advantageously for the arrangement of a device for the treatment and / or action on the printed side of the web.
  • the cohesive web on the reel is unrolled with the unwinding direction different from that of the prior art.
  • the new four-edge bag machine has a number of advantages.
  • the accessibility to additional units with which the printed side of the web is treated and / or additionally acted upon is considerably improved. This also applies to the setting and operating options, for cleaning, maintenance, etc ..
  • the arrangement of a cutting and gluing table readily allows a register-accurate sticking, associated with a reduction of rejects and avoidance of waste.
  • the additional aggregates themselves are also easily accessible. This all has an advantageous effect in particular if particularly wide rolls with several uses are used side by side.
  • a special foil guide for removing the web relative to the four-edge seal bag machine, as required in the prior art, is eliminated. In that regard, a reduction of the installation space of the sealing machine occurs.
  • the web section in which the printed side faces away from the web of the four-edge bag machine is placed and arranged on it in particular in such a way that the web in this web section is guided more or less vertically from bottom to top. In this area can be space-saving and with good accessibility from the outside order the described additional units and operate.
  • the turning device is then arranged, in particular, at a position at the top of the sealed-edge bag machine, on which the web is moved further out of its vertical outward movement in a more or less horizontal direction.
  • a particularly simple embodiment for the turning device has a single at an angle of 45 ° to the direction of the web arranged deflection bar.
  • the deflecting bar is usually fixed in position and has a certain minimum diameter in order to guide the web reliably and to protect it against lateral bleeding.
  • the deflection bar may at least partially have a cylindrical outer diameter or also consist overall of a cylinder section or a pipe section.
  • the turning device can also consist of two parallel to each other and arranged at an angle of 45 ° to the direction of the web deflection bars.
  • the unwinding station of the four-cornered coarse bag machine is no longer arranged at the back of the machine as before, but laterally relative to the sealing station, that the axis of the roll is now aligned horizontally in the unwinding station in a plane parallel to the sealing plane of the sealing station.
  • the new sealing machine thus gets in comparison to the prior art, a changed peculiar appearance, due to the lateral arrangement of the unwinding station.
  • the rear side of a bag, with a web guide having a substantially upwardly directed web section, and with a sealing station for attaching at least one longitudinal and one transverse seam between the front and the back of the bag is characterized in that the roll of the printed contiguous web is suspended from the front and back in the unwinding station so that the printed side runs away in the upwardly directed web portion of the bagging machine from the roll, treated in a beginning of the unwinding section of the four-edge bag machine the outside of the web under free plan view and / or this is acted upon, and that the web is turned between the section and the sealing station.
  • the continuous web is divided longitudinally before or after turning into a partial web having the pressure of the front of the bag and a second partial web having the pressure of the back of the bag.
  • These two partial webs are then processed facing each other in the region of the sealing station in the known relative position with their seal coatings.
  • the partial webs are individually turned together in the sealing plane of the sealing station, wherein in these symmetrically arranged turning devices not the continuous web, but only the partial webs are treated.
  • Fig. 1 shows the web guide of a four-edge seal bag machine, not shown in detail.
  • the frame and the essential elements for the web guide are omitted for clarity.
  • This known four-edge bag machine 1 has a unwinding station 2 and a sealing station 3.
  • the sealing station 3 is only hinted at.
  • a roller 4 is suspended with its axis 5 in the unwinding station.
  • the roll 4 consists of a web 6 which is usually wound on a sleeve.
  • the web 6 may consist of composite material, for example an aluminum foil laminated on a paper web. But also all other known material training train 6 are possible.
  • the web 6 is printed on one side and carries on this side at least one printed front 7 and next to a printed back 8.
  • the designations front 7 and back 8 are related to a bag 9, as he finally filled in large variety and with a product should arise at the end of the four-edge bag machine 1.
  • the roller 4 carries four benefits side by side, so four front pages 7 and four backs 8 are printed on the same page, so that the roller 4 and the web 6 has a corresponding width.
  • the printed side of the web 6 on the roller 4 faces outward.
  • the other side of the web 6 carries a coating 10, as required for processing in the sealing station 3.
  • the web 6 is unrolled from the roll 4 in such a unwinding direction as indicated by arrow 11, that the coating 10 facing away from the frame of the seal bag machine outward, so is accessible to a viewer or an operator under a free top view.
  • the printed side 12 with the front sides 7 and the backs 8 can be seen only on the roller 4 under free top view, while in the unrolled state after the unwinding station 2 runs towards the interior of the four-edge bag machine 1.
  • a web guide 13 is indicated only schematically, which passes through the entire sealing machine 1 and ultimately leads to the sealing station 3.
  • a longitudinal cutting station 14 is arranged, with which the web 6 is divided in the middle, so that two partial webs 15 and 16 result.
  • the partial web 15 carries the front sides 7 of the bag 9 to be created.
  • the partial web 16 carries the backs 8 of the bags 9 to be created. Both partial webs 15 and 16 are turned so that they face each other in the region of the sealing station 3 with the coating 10 Enter sealing station 3.
  • longitudinal seams 17 and transverse seams 18 are continuously sealed, so that there arise a series of contiguous bags 9, which, as usual in a four-edge bag machine, sealed on four sides and closed.
  • the subdivision into the individual filled bags 9 takes place unchanged in previously known manner.
  • the unwinding station 2 is arranged at the rear of the four-edge bag machine 1 and the sealing station 3 at the front of the outlet of the four-edge bag machine 1, while the essential elements of the four-edge bag machine 1 between these two stations, so that the space between unwind station 2 and sealing station 3 is not accessible.
  • the web 6 is guided in a web section 21 or the web 6 forms a web section 21 by the printed side 12 facing the interior of the four-edge bag machine 1, while the unprinted and the coating 10 bearing side of Lane 6 of the machine is turned away.
  • a printing unit or other device would therefore have to be arranged on the four-edge bag machine 1 facing side of the web section 21 to develop an effect.
  • the arrangement possibility, the accessibility, the adjustment and the monitoring and maintenance of such a device is limited and, if available, relatively cumbersome.
  • FIG. 2 shows an inventive design and arrangement of a four-edge seal bag machine.
  • the drawing of Fig. 2 is similarly schematic, as in the prior art shown in FIG. 1 is performed.
  • This four-edge bag machine 1 also has a unwinding station 2 and a sealing station 3.
  • the roller 4 with the printed web 6 is mounted with its axis 5 in comparison to the relative arrangement of FIG. 1, as it were rotated by 180 ° in the unwinding station 2. It can be seen that the axis 5 of the roller 4 is aligned horizontally in a vertical plane 22, which is arranged parallel to the sealing plane 19 of the sealing station 3.
  • the web 6 is unwound in the direction of rotation according to arrow 23.
  • the direction of rotation according to arrow 23 is the direction of rotation according to arrow 11 of FIG.
  • the web assumes, starting from the unwinding station 2, a position relative to the four-edge bag machine 1 in which a web section 24 is formed by facing the printed side 12 away from the web 6 of the four-edge bag machine 1.
  • the device 25 can be designed and arranged in a variety of ways. It is also possible to arrange a plurality of such devices 25 in the area of the track section 24 on the outside.
  • Such devices 25 may be designed in particular as a cutting and gluing table, as a printing station, as a monitoring and control station or in any other way.
  • the Web section 24 extends between the circumference of the roller 4 to a turning device 26.
  • the turning device 26 may consist in particular of a single stationary deflection bar 27 which is arranged at an angle of 45 ° to the running direction of the web 6.
  • the web 6 wraps around the deflection bar 27 to 180 ° of its circumference.
  • the deflection rod 27 is cylindrical, so has a circular cross-section. It can be seen that the turning device 26 treats the web 6 in its entire width, ie before a longitudinal cut.
  • a relative position of the web 6 is achieved, in which the side 10 provided with the coating 10 of the web 6 of the four-edge bag machine 1 faces away from the outside, usually upwards. It can be seen that in the region of the turning device 26, the running direction of the web 6 changes by 90 °.
  • the four-edge coarse bag machine 1 in its machine configuration, has a section 28 which is essentially characterized by different deflection rollers or deflection rollers, which are not shown. This formation of section 28 serves to generate the web 6 with its web section 24. With the turning device 26, the entire continuous web 6 is turned. It then passes into the longitudinal cutting station 14, in which the web 6 are divided into the two partial webs 15 and 16.
  • the longitudinal cutting station 14 can also be arranged in front of the turning device 26. Appropriately, however, the longitudinal cutting station 14 is provided and arranged in such a case after the device 25, because the action on the printed side 12 of the web 6 in the web section 24 is easier and easier to carry out, as long as the web 6 is not yet in the part webs 15 and 16 is divided.
  • the partial webs 15 and 16 are treated separately and turned after the longitudinal cutting station 14. They are then guided in the sealing plane 19 with the coatings 10 facing each other. They enter in this relative position in the sealing station 3 a.
  • sealing jaws 29 are indicated here, which are moved relative to the sealing plane 19 in order to produce the longitudinal seams 17 and transverse seams 18 and thus to form and close the bags 9.
  • the turning device 26 here consists of two fixedly arranged deflection rods 27, which are both arranged parallel to one another at an angle of 45 ° to the running direction of the web 6.
  • the web 6 wraps around each deflection bar 27 to 90 ° of its circumference.
  • the deflecting rods 27 may also be formed deviating from the cylindrical shape, for. B. have an elliptical cross-section. It can be seen that the turning device 26, the web 6 in its entire width, so before a longitudinal cut treated.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Making Paper Articles (AREA)
EP06007547A 2005-04-16 2006-04-11 Dispositif pour la fabrication de sacs, avec un poste de déroulement et un poste de joint Withdrawn EP1712469A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510017474 DE102005017474B4 (de) 2005-04-16 2005-04-16 Vierrandsiegelbeutelmaschine mit einer Abrollstation und einer Siegelstation

Publications (1)

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EP1712469A1 true EP1712469A1 (fr) 2006-10-18

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EP06007547A Withdrawn EP1712469A1 (fr) 2005-04-16 2006-04-11 Dispositif pour la fabrication de sacs, avec un poste de déroulement et un poste de joint

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EP (1) EP1712469A1 (fr)
DE (1) DE102005017474B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2886468A4 (fr) * 2013-10-23 2016-03-16 Guangzhou Yilugao Packing Machinery Technic Co Ltd Nouveau dispositif de formation de sac et nouvelle machine d'emballage
CN106629201A (zh) * 2017-02-09 2017-05-10 上海小松包装机械有限公司 包装机用m板型薄膜分切导向装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9067697B2 (en) 2008-11-07 2015-06-30 Hauni Maschinenbau Ag Device and method for metering tobacco in portions suitable for packaging
US20100252056A1 (en) 2009-04-01 2010-10-07 Hauni Maschinenbau Ag Apparatus and method for metering oral tobacco in portions suitable for consumption

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD31533A1 (de) * 1963-09-02 1964-09-05 Heinfried Patzelt Packstoffzuführung an einer Verpackungsmaschine
GB1133774A (en) * 1964-11-27 1968-11-20 Sig Schweiz Industrieges Improvements in or relating to machines for forming and filling bags or packages
US5938032A (en) * 1993-09-30 1999-08-17 Ivers-Lee Corporation Tandem package with pinhole
US6131366A (en) * 1997-04-09 2000-10-17 Ishida Co., Ltd. Packaging machine with mechanisms for positioning its former

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2162230A (en) * 1938-02-05 1939-06-13 Ivers Lee Co Alignment controlled packaging machine
US4085560A (en) * 1976-10-27 1978-04-25 Wrap-Ade Machine Company, Inc. Apparatus and method of forming covers for flexible commodity-containing packages

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD31533A1 (de) * 1963-09-02 1964-09-05 Heinfried Patzelt Packstoffzuführung an einer Verpackungsmaschine
GB1133774A (en) * 1964-11-27 1968-11-20 Sig Schweiz Industrieges Improvements in or relating to machines for forming and filling bags or packages
US5938032A (en) * 1993-09-30 1999-08-17 Ivers-Lee Corporation Tandem package with pinhole
US6131366A (en) * 1997-04-09 2000-10-17 Ishida Co., Ltd. Packaging machine with mechanisms for positioning its former

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2886468A4 (fr) * 2013-10-23 2016-03-16 Guangzhou Yilugao Packing Machinery Technic Co Ltd Nouveau dispositif de formation de sac et nouvelle machine d'emballage
CN106629201A (zh) * 2017-02-09 2017-05-10 上海小松包装机械有限公司 包装机用m板型薄膜分切导向装置

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Publication number Publication date
DE102005017474B4 (de) 2007-12-06
DE102005017474A1 (de) 2006-10-19

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