US20050126127A1 - Method for controlling a packaging machine - Google Patents

Method for controlling a packaging machine Download PDF

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Publication number
US20050126127A1
US20050126127A1 US10/504,083 US50408304A US2005126127A1 US 20050126127 A1 US20050126127 A1 US 20050126127A1 US 50408304 A US50408304 A US 50408304A US 2005126127 A1 US2005126127 A1 US 2005126127A1
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US
United States
Prior art keywords
time
product
packaging machine
packaging
leaflet
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.)
Abandoned
Application number
US10/504,083
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English (en)
Inventor
Wolfgang Herkel
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.)
IWK Verpackungstechnik GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to IWK VERPACKUNGSTECHNIK GMBH reassignment IWK VERPACKUNGSTECHNIK GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HERKEL, WOLFGANG
Publication of US20050126127A1 publication Critical patent/US20050126127A1/en
Abandoned 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
    • B65B61/20—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for adding cards, coupons or other inserts to package contents
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
    • B65B57/16—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to stop, or to control the speed of, the machine as a whole

Definitions

  • the invention concerns a method for controlling a packaging machine comprising a product conveyor for a product and a package conveyor for a package which partially extend parallel and synchronously with respect to each other such that the product can be inserted into a package at a transfer station, and with a conveyor for an additional part to be added to the product, e.g.
  • a leaflet or a dosing spoon having a data storage in the form of a shift register which contains various state and control data of packaging units which include the product, the package and an additional part, wherein the data is displaced in a clocked manner in the shift register at a point in time t o , and with at least one point in time t p given by an initiator at which a control or processing action on the additional part is started, wherein the point in time t p can be adjusted relative to the point in time t o in dependence on the product and/or the package and/or the additional part.
  • a first circulating package conveyor for the package e.g. a so-called folding box chain
  • a second circulating product conveyor for the products e.g. a so-called product chain
  • the two chains can be adjusted relative to each other.
  • an additional part which may e.g. be a leaflet, a side note or a dosing spoon may have to be inserted into the package.
  • a leaflet is taken below as an example of this additional part.
  • the packaging machine has a further circulating additional part conveyor, e.g. a so-called leaflet tong chain which carries several tong-like holders which each receive and clamp one leaflet.
  • a leaflet to be inserted into the package is moved between the product and the folding box by the leaflet tong chain, and carried along by the product through the lateral inserting motion thereof to be introduced into the folding box, wherein the tong-like holder opens as soon as the product abuts the leaflet.
  • the packaging machine stores a data set for each packaging unit which comprises the product, the folding box and the leaflet, and which contains all essential state and control data of the packaging unit. Since a plurality of packaging units are simultaneously processed in and run through the packaging machine, the data sets are conventionally filed in a common data storage.
  • the data storage is designed as a shift register, wherein the data sets are displaced, i.e. shifted, within the shift register in a clocked manner in accordance with the working cycle of the machine, i.e. the changing position of the associated packaging unit in the packaging machine up to the ejecting station.
  • the shift register is clocked via a shift cycle which is usually tapped by the drive of the product chain.
  • the leaflet To provide the folded leaflet, it must usually undergo several examination and processing steps.
  • the leaflet must be received by a so-called leaflet apparatus from a leaflet pile of unfolded leaflets at a certain point in time (request time t p ) and subsequently be folded.
  • the leaflet must then be transferred to a tong-like holder of the leaflet tong chain at a predetermined point in time.
  • the correctness of the leaflet type must be checked through detection and evaluation of a code provided on the leaflet at a certain point in time within the leaflet apparatus.
  • the point in time of introduction or initiation of the respective action is predetermined either via rotating mechanical cams which trigger an initiation signal at a certain rotation or via an electronic reproduction of a corresponding cam.
  • the initiation signals are thereby only triggered if a previous examination of some data of the data set in the shift register indicates that the packaging unit is properly combined, i.e. that a product and a packaging are present.
  • a packaging machine must be able to process products and also packagings of various formats as well as various leaflet formats.
  • the individual components of the transfer station of the packaging machine must be adjusted relative to each other.
  • the leaflet apparatus and/or the leaflet tong chain are usually adjusted relative to the product chain and/or the folding box chain. This causes the points in time which are predetermined by one or more initiators or cams, to also be adjusted relative to the shift time t o of the shift register which defines the start of a processing cycle of the packaging machine.
  • the request time t p for the leaflet from the leaflet pile is used as an example below, however, similar problems also occur at other times when a control or processing action on an additional part, e.g. a leaflet, is started.
  • This object is achieved in accordance with the invention in that the relative position of the request time t p for the leaflet relative to the shift time t o of the shift register is examined and the time t p is shifted if it is within a tolerance period T about the point in time t o .
  • a controller After adjustment of the packaging machine through format change and associated adjustment of the request time t p for the leaflet relative to the shift time t o of the shift register, a controller checks whether the point in time t p of the leaflet request coincides with the shift time t o of the shift register or is at least sufficiently close that a conflict can be expected. This is the case if the request time t p of the leaflet is within a predetermined tolerance period or interval T which is disposed about the shift time t o of the shift register. If the examination shows that the request time t p of the leaflet is within the tolerance period T, the request time t p for the leaflet is automatically shifted by the controller.
  • a quickly operating packaging machine performs approximately 450 working cycles per minute such that the cycle time is approximately 133.33 ms.
  • the cycle time is the time interval which the control program requires for working.
  • the cycle time may e.g. be 5 ms.
  • the tolerance period T around the shift time t o of the shift register should therefore be at least 3% of the cycle time of.the packaging machine, i.e. the request time t p of the leaflet should not coincide with the last 3% of the previous working cycle before the shift time t o or the first 3% of the next working cycle after the shift time t o .
  • a value of ⁇ 10% of the cycle time of the packaging machine has proven to be reasonable as an upper limit for the tolerance period T.
  • the tolerance period is preferably ⁇ 5% of the cycle time of the packaging machine.
  • the controller determines that the request time t p is within the tolerance time T, the request time t p is shifted until it is outside of the tolerance time T. This shift is possible in both directions on the time axis, i.e. in the direction of an earlier or later point in time.
  • the controller determines the two shifts ⁇ t 1 and ⁇ t 2 of the request time t p which are required to obtain a position outside of the tolerance time period T in both directions (earlier, later).
  • the request time t p is subsequently shifted into the direction with less shift to obtain a position outside of the tolerance time T.
  • FIG. 1 shows the points in time t o and t p on the time axis t in an uncritical arrangement before format adjustment
  • FIG. 2 shows the points in time t o and t p on the time axis t in a critical arrangement after format adjustment
  • FIG. 3 shows the points in time t o and t p on the time axis t in an uncritical arrangement after correction.
  • FIG. 1 shows a time axis t which shows a shift time t o of the shift register which simultaneously also defines the start of a working cycle of the packaging machine.
  • the time interval between a request time t p for a leaflet in a leaflet apparatus and the shift time t o is sufficient, such that no critical operating states are generated in the packaging machine.
  • the position of the request time t p of the leaflet relative to the shift time t o of the shift register has also changed.
  • the request time t p for the leaflet is now much closer to the shift time t o of the shift register than before format adjustment ( FIG. 2 ).
  • a controller of the packaging machine checks whether the request time t p for the leaflet is within a tolerance period or interval T about the shift time t o of the shift register which is ⁇ 5% of the cycle time of the packaging machine.
  • the embodiment of FIG. 2 shows that the request time for the leaflet is within the tolerance period T.
  • the controller subsequently determines a first time shift ⁇ t 1 which is required to shift the request time t p to an earlier position such that it is directly before the tolerance period T.
  • a second time shift ⁇ t 2 is correspondingly determined which is required to shift the request time t p to a later time, such that it is just outside of the tolerance period T.
  • the two time shifts ⁇ t 1 and ⁇ t 2 are compared and the leaflet apparatus is subsequently adjusted such that the request time t p is adjusted by the smaller value (absolute value) of the two determined time shifts ⁇ t 1 and ⁇ t 2 in the associated direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
US10/504,083 2002-02-20 2003-01-23 Method for controlling a packaging machine Abandoned US20050126127A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10207096.2 2002-02-20
DE10207096A DE10207096A1 (de) 2002-02-20 2002-02-20 Verfahren zur Steuerung einer Verpackungsmaschine
PCT/EP2003/000663 WO2003070577A1 (de) 2002-02-20 2003-01-23 Verfahren zur steuerung einer verpackungsmaschine

Publications (1)

Publication Number Publication Date
US20050126127A1 true US20050126127A1 (en) 2005-06-16

Family

ID=27635184

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/504,083 Abandoned US20050126127A1 (en) 2002-02-20 2003-01-23 Method for controlling a packaging machine

Country Status (9)

Country Link
US (1) US20050126127A1 (de)
EP (1) EP1476361A1 (de)
JP (1) JP2006505455A (de)
AU (1) AU2003205659A1 (de)
BR (1) BR0307789A (de)
CA (1) CA2475513A1 (de)
DE (1) DE10207096A1 (de)
MX (1) MXPA04007982A (de)
WO (1) WO2003070577A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006049801A1 (de) 2006-10-23 2008-04-24 Iwk Verpackungstechnik Gmbh Verfahren zur Steuerung der Übergabe eines Produktstapels in einer Verpackungsmaschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038911A (en) * 1989-02-16 1991-08-13 Rapistan Corporation Controlled spacing induction from plural lines
US5079902A (en) * 1988-12-28 1992-01-14 Fuji Machinery Company Ltd. Packaging method and apparatus
US5588280A (en) * 1989-05-08 1996-12-31 Carol Joyce Witt Coupon inserting apparatus and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3040866A1 (de) * 1980-10-30 1982-06-03 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zum zufuehren und bereitstellen von gefalzten prospekten
DE3538860A1 (de) * 1985-11-02 1987-05-07 Schindler & Wagner Kg Uebergabestation fuer eine verpackungsstrasse
IT1240709B (it) * 1990-08-17 1993-12-17 Cavanna Spa Procedimento per regolare l'avanzamento di articoli in un sistema di convogliamento, particolarmente un sistema automatico di confezionamento, e relativo sistema.
DE19623951C1 (de) * 1996-06-15 1998-01-02 Haensel Otto Gmbh Vorrichtung zum Falten und Einbringen eines Beipackzettels
DE19735942C2 (de) * 1997-08-19 2000-02-03 Elau Elektronik Automations Ag Verfahren zum Betrieb einer Verpackungsmaschine mit elektrischer Königswelle sowie Verpackungsmaschine
US6601371B1 (en) * 1998-05-05 2003-08-05 Erwin Fertig Packaging machine
DE19841526A1 (de) * 1998-09-10 2000-03-16 Focke & Co Verfahren und Vorrichtung zum Verbinden von Druckträgern mit Packungen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079902A (en) * 1988-12-28 1992-01-14 Fuji Machinery Company Ltd. Packaging method and apparatus
US5038911A (en) * 1989-02-16 1991-08-13 Rapistan Corporation Controlled spacing induction from plural lines
US5588280A (en) * 1989-05-08 1996-12-31 Carol Joyce Witt Coupon inserting apparatus and method

Also Published As

Publication number Publication date
EP1476361A1 (de) 2004-11-17
DE10207096A1 (de) 2003-08-28
BR0307789A (pt) 2004-12-21
WO2003070577A1 (de) 2003-08-28
JP2006505455A (ja) 2006-02-16
MXPA04007982A (es) 2004-11-26
AU2003205659A1 (en) 2003-09-09
CA2475513A1 (en) 2003-08-28

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Legal Events

Date Code Title Description
AS Assignment

Owner name: IWK VERPACKUNGSTECHNIK GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HERKEL, WOLFGANG;REEL/FRAME:016354/0957

Effective date: 20040701

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION