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EP0683099A1 - Dispositif d'alimentation de sacs vides à une machine d'emballage - Google Patents

Dispositif d'alimentation de sacs vides à une machine d'emballage Download PDF

Info

Publication number
EP0683099A1
EP0683099A1 EP95105896A EP95105896A EP0683099A1 EP 0683099 A1 EP0683099 A1 EP 0683099A1 EP 95105896 A EP95105896 A EP 95105896A EP 95105896 A EP95105896 A EP 95105896A EP 0683099 A1 EP0683099 A1 EP 0683099A1
Authority
EP
European Patent Office
Prior art keywords
carrier
bags
stack
carriers
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.)
Granted
Application number
EP95105896A
Other languages
German (de)
English (en)
Other versions
EP0683099B1 (fr
Inventor
Ulrich Wald
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.)
Paper Converting Machine GmbH
Original Assignee
Paper Converting Machine 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 Paper Converting Machine GmbH filed Critical Paper Converting Machine GmbH
Publication of EP0683099A1 publication Critical patent/EP0683099A1/fr
Application granted granted Critical
Publication of EP0683099B1 publication Critical patent/EP0683099B1/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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines

Definitions

  • the invention relates to a device for feeding empty bags to a packaging machine with a bag stack feeder, which has at least one holder for fastening a stack of bags.
  • the empty bags which are combined in stacks of about 50 to 100 pieces, have been fed to the packaging machine by means of a chain conveyor.
  • the chain conveyor has bolts that serve as holders and on which the stack of bags are hung.
  • the bags are provided on their opening side with a protruding tab, which has corresponding holes corresponding to the bolts.
  • the stack of bags is fed into the packaging machine by the chain conveyor, where the bags are filled individually and torn off the stack. If a stack is torn empty, the chain conveyor continues one cycle and introduces the next stack of bags into the packaging machine.
  • the object of the present invention is accordingly to reduce the manual work on the packaging machine, while at the same time the space requirement should not increase.
  • the bag stack feed has a plurality of tray-like carriers, which are each provided with the holder for fastening a bag stack and are detachably connected to the bag stack feed.
  • tray-like carriers By providing a larger number of tray-like carriers, several stacks of bags can be prepared for feeding to the packaging machine, so that the operator only has to take action again, since all carriers have been worked empty. In addition, larger stacks of bags can be accommodated on the tray-like carriers, so that the cycle time until the next stack of bags is introduced. Because of the tray-like carrier, a space-saving arrangement of several stacks of bags in front of the packaging machine is possible.
  • the carrier is then emptied in the packaging machine and separated again from the bag stack feed. It can be stored in a memory again.
  • the memory for the empty carrier can be the same memory from which the full carrier was removed, it is advantageous if the empty carrier is stored in a further memory after the stack of bags has been removed from it .
  • the respective storage can be movable transversely to the storage or retrieval direction, so that both the storage and the retrieval is possible at the same point in the device. In this way, the carriers can always be moved straight into and out of the storage unit without having to be redirected to their storage location first.
  • the storage unit can be, for example, a belt conveyor in which two or four conveyor belts engaging on the sides or corners of the carrier move synchronously and the carriers move transversely to the latter Direction of movement can be pulled out.
  • a belt conveyor in which two or four conveyor belts engaging on the sides or corners of the carrier move synchronously and the carriers move transversely to the latter Direction of movement can be pulled out.
  • the carriers cannot interlock with one another, so that they serve operational safety.
  • the memories contain exchangeable magazines in which several carriers can be accommodated at the same time. This makes it possible to prepare a corresponding magazine with filled carriers and to replace the entire magazine on the machine. This takes considerably less time than exchanging each carrier individually.
  • the carriers for the stack of bags are characterized in particular by the fact that their carrying length can be changed.
  • this has the advantage that the carrying length of the carrier can be adjusted so that the thicker end of the bag, on which the bottom gusset is located, does not rest on the carrier. This prevents an upwardly projecting bulge from forming at the end of the stack, which could lead to difficulties when transporting the stack of bags into the packaging machine and when filling the bags.
  • the carrier can consist of a smooth sheet that can be shortened by sliding parts.
  • the tray-like carrier is formed by a laterally open grate
  • individual adjustments are made to the adjustable length Grate bars can be added or removed on a base frame of the carrier.
  • the rust-like design has the advantage that the bags lying on the carrier can be gripped by a machine fork which moves laterally into the carrier, so that the carrier can then be lowered and replaced with a new, full bag carrier without causing an interruption in operation, because the remaining bags on the machine fork are still filled during the exchange time.
  • the holder for fastening a stack of bags on the carrier is advantageously a pin which extends essentially perpendicular to the carrier and whose length can be changed.
  • this pin can have a spring element that counteracts the change in length. In cooperation with a corresponding stop on the packaging machine, this ensures that while the stack of bags is being processed, the upper edge of the pin does not protrude above the level of the top bag. This prevents the pin from protruding into the interior of the bag and being able to tear open products to be pushed into the bag.
  • FIG. 1 shows a feeding device according to the invention for empty bags to a packaging machine (not shown in more detail).
  • the feed device is protected from unwanted contact by a protective grille 1.
  • a magazine trolley as shown at the front with the reference number 3, can be moved into the device.
  • This magazine trolley has, on its narrow sides, paired slide-in strips 4 onto which tray-like carriers 5, described in more detail below, are pushed.
  • the tray-like carriers are previously filled with empty bags by an operator.
  • the correspondingly filled car inserted into the machine is then lifted by a lifting device 6, so that the lowermost carrier can be removed from the magazine car in the direction of arrow 7 in order to connect it to the bag stack feed to the packaging machine.
  • the bag stack feeder includes an infeed conveyor 8, which is designed here as a linear longitudinal conveyor, but could also be formed by a belt or chain conveyor.
  • the carrier is introduced via this infeed conveyor 8 along the direction of arrow 9 into a packaging machine, not shown. There the carrier is transported to a pouch removal position and the pouches on the carrier are filled and removed from the carrier by tearing them off.
  • the emptied carrier is then conveyed back along the arrow direction 10 by the infeed conveyor 8 and, as indicated by the arrow 11, inserted into another magazine carriage 12, the height of which can also be adapted to the infeed conveyor by means of a corresponding lifting device 13.
  • the magazine carriage 12 is lowered or raised so that one empty tray-like carrier after another is placed on a pair of slide-in strips.
  • the first magazine trolley is lowered by the lifting device 6 so that the next carrier covered with bags can be removed and inserted into the packaging machine.
  • the empty carrier is transported back to the second magazine carriage 12.
  • the lifting device 13 places it on the floor and the magazine carriage 12 can be moved out of the device by an operator and replaced by an empty magazine carriage.
  • the empty carriers of the magazine trolley 12 are then again stacked with bags and the magazine trolley filled in this way is then pressed against the former magazine trolley exchanged when all carriers have been removed from it.
  • FIGS. 2 and 3 A corresponding tray-like carrier 5 is shown in FIGS. 2 and 3.
  • the carrier has a rust-like bottom, which consists of several individual bars 14, which rest on a base frame 21. These individual rods 14 are laterally supported at their ends on pressure pieces 15 so that they can be easily installed or removed. This allows the support length of the carrier to be adjusted to the bags used. It should be noted here that the bags usually have a bottom fold at their closed end and are therefore thicker there than at their other, open end. Because of the length adjustability of the carrier, this thicker end hangs down freely and no bulging bulge is formed.
  • the carrier 5 From the side view of the carrier 5 shown in FIG. 2 it can be seen that its side walls are slotted. It is thereby achieved that the carrier can be removed from the machine even before the last bag has been removed from it. For this purpose, a machine fork moves into these slots in the side walls on one or both sides and grips under the remaining stack of bags. The carrier 5 can then be lowered and replaced without a break in operation by a new, full bag carrier.
  • the tray-like carrier has holding pins 16 in which the stack of bags is suspended becomes.
  • These retaining pins 16 are vertically resiliently mounted.
  • the carrier 5 is gradually raised by a cam 17 while the bags are being processed, so that the upper bag level always remains constant, i.e. in the area of the filling mouth 18.
  • a cam instead of a cam, however, there would also be a spindle or the like possible.
  • the holding pins 16 When lifting, the holding pins 16 also move upwards and would already protrude fewer bags into the interior of the bag after processing, ie tear open the products to be pushed into the bag.
  • a stop 19 is therefore provided for these retaining pins 16. It can be seen in the drawing with the filling mouth 18 and lies below the feed path 20 for the products to be packaged. It also does not hinder the opening of the top pouch, because the top pouch film is somewhat shorter than the bottom pouch so it does not protrude to the retaining pins and their stops.
  • the upper bag film can be lifted up by a suction bar or the like, not shown, while the lower bag wall protruding further still remains fixed between the stop 19 and the holding pins 16.
  • the bag is then torn away, ie to the left in FIG. 4, the film being torn off completely from the holding pins. The fact that it is destroyed is not critical because the edge of the bag is then welded and separated.
  • the empty carrier is then lowered, moved out of the packaging machine, back into the appropriate magazine for empty carriers transferred and then moved out of the device together with this magazine for refilling.
  • a resilient retaining pin 16 is shown in more detail in FIGS. 6 and 7.
  • the holding pin is guided in a guide 22.
  • a dowel pin 23 which protrudes through two slots 24 of the retaining pin 16.
  • a spring 25 which sits between the dowel pin 23 and the closed cover of the holding pin 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Container Filling Or Packaging Operations (AREA)
EP95105896A 1994-05-20 1995-04-20 Dispositif d'alimentation de sacs vides à une machine d'emballage Expired - Lifetime EP0683099B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4417689 1994-05-20
DE4417689A DE4417689A1 (de) 1994-05-20 1994-05-20 Leerbeutelzuführung für Verpackungsmaschine

Publications (2)

Publication Number Publication Date
EP0683099A1 true EP0683099A1 (fr) 1995-11-22
EP0683099B1 EP0683099B1 (fr) 1998-08-05

Family

ID=6518568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95105896A Expired - Lifetime EP0683099B1 (fr) 1994-05-20 1995-04-20 Dispositif d'alimentation de sacs vides à une machine d'emballage

Country Status (5)

Country Link
US (1) US5595468A (fr)
EP (1) EP0683099B1 (fr)
AT (1) ATE169278T1 (fr)
DE (2) DE4417689A1 (fr)
ES (1) ES2119260T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6019248A (en) * 1997-05-13 2000-02-01 Binder & Co Aktiengesellschaft Device for making available and delivering sacks

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5927927A (en) * 1997-09-08 1999-07-27 C.J. Machine Inc. Automatic cart loading machine and method
US6074156A (en) * 1999-05-10 2000-06-13 Frich; Mark R. Library cart loading system and method
US6779321B1 (en) 2000-06-09 2004-08-24 Zellwin Farms Company Machine and method for bagging elongated produce
DE102011101514B4 (de) * 2011-05-13 2025-03-27 Jörg von Seggern Maschinenbau GmbH Vorrichtung zum Vereinzeln von Behälterstapel ausbildenden Verpackungsbehältern
CN103803119B (zh) * 2013-01-17 2016-04-27 常州先进制造技术研究所 自动连续供袋装置
US11136818B2 (en) * 2017-05-25 2021-10-05 Peter Zwierzykowski Universal pallets for storage and display
JP6976826B2 (ja) * 2017-11-20 2021-12-08 Ｐａｃｒａｆｔ株式会社 袋体ストッカー及び袋体供給方法
JP6871668B2 (ja) * 2017-11-20 2021-05-12 Ｐａｃｒａｆｔ株式会社 袋体供給システム及び袋体供給方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1188352A (en) * 1967-03-03 1970-04-15 American Mach & Foundry Article Magazine Replacement System particularly for use in Packaging Apparatus
GB2088334A (en) * 1980-12-03 1982-06-09 Cmb Display Group Ltd Adjustable-sized tray for merchandise
EP0362579A2 (fr) * 1988-09-12 1990-04-11 McGregor, Harold R. Carrousel rotatif et appareil de manipulation de sacs en papier ou en matière plastique
DE9200372U1 (de) * 1992-01-15 1992-04-02 Haver & Boecker, 4740 Oelde Leersackmagazin
DE4143342A1 (de) * 1991-01-26 1993-01-21 Buehler Ag Sackstapelfoerdereinrichtung mit einer mehrzahl von einzelnen sackmagazinen zur vorbereitung einer automatischen sackanhaengung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US201049A (en) * 1877-11-27 1878-03-05 Improvement in portable tray receiver and elevator for lozenge-machines
DE2051841A1 (de) * 1970-10-22 1972-04-27 Lang, Franz Josef, 6233 Kelkheim Verstellbarer Regaleinsatz
NL8204411A (nl) * 1982-11-12 1984-06-01 Stork Bepak Bv Installatie voor het ontladen respectievelijk laden van meerdekslaadwagens.
US4824310A (en) * 1985-09-04 1989-04-25 Kosmowski Wojciech B Automated work-piece handling system for machine tool
CH669580A5 (fr) * 1986-04-16 1989-03-31 Rolotec Ag
US4808057A (en) * 1986-09-11 1989-02-28 Sardee Corporation Workload regulator for automated production
JPS6438302A (en) * 1987-08-04 1989-02-08 Nisshin Kogyo Kk Method of storing and supplementing commodity and device thereof
JPH0679925B2 (ja) * 1987-09-29 1994-10-12 株式会社クボタ 育苗箱の積替装置
FR2665150B1 (fr) * 1990-07-30 1992-11-27 Soulisse Michel Dispositif pour le chargement ou le dechargement de caissettes.
JP3118248B2 (ja) * 1990-10-17 2000-12-18 井関農機株式会社 苗箱の積替装置
US5265397A (en) * 1991-12-20 1993-11-30 Eastman Kodak Company Flexible apparatus and process for loading and sealing pouches
JPH066237U (ja) * 1992-06-29 1994-01-25 セントラル硝子株式会社 ガラス板用パレット

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1188352A (en) * 1967-03-03 1970-04-15 American Mach & Foundry Article Magazine Replacement System particularly for use in Packaging Apparatus
GB2088334A (en) * 1980-12-03 1982-06-09 Cmb Display Group Ltd Adjustable-sized tray for merchandise
EP0362579A2 (fr) * 1988-09-12 1990-04-11 McGregor, Harold R. Carrousel rotatif et appareil de manipulation de sacs en papier ou en matière plastique
DE4143342A1 (de) * 1991-01-26 1993-01-21 Buehler Ag Sackstapelfoerdereinrichtung mit einer mehrzahl von einzelnen sackmagazinen zur vorbereitung einer automatischen sackanhaengung
DE9200372U1 (de) * 1992-01-15 1992-04-02 Haver & Boecker, 4740 Oelde Leersackmagazin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6019248A (en) * 1997-05-13 2000-02-01 Binder & Co Aktiengesellschaft Device for making available and delivering sacks

Also Published As

Publication number Publication date
DE4417689A1 (de) 1995-11-23
EP0683099B1 (fr) 1998-08-05
US5595468A (en) 1997-01-21
DE59503047D1 (de) 1998-09-10
ES2119260T3 (es) 1998-10-01
ATE169278T1 (de) 1998-08-15

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