EP0845418A1 - Drive system for a packaging machine - Google Patents

Drive system for a packaging machine Download PDF

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Publication number
EP0845418A1
EP0845418A1 EP97309312A EP97309312A EP0845418A1 EP 0845418 A1 EP0845418 A1 EP 0845418A1 EP 97309312 A EP97309312 A EP 97309312A EP 97309312 A EP97309312 A EP 97309312A EP 0845418 A1 EP0845418 A1 EP 0845418A1
Authority
EP
European Patent Office
Prior art keywords
drive system
offs
carton
power take
packaging machine
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
EP97309312A
Other languages
German (de)
French (fr)
Other versions
EP0845418B1 (en
Inventor
Johannes Jänen
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.)
Graphic Packaging International LLC
Original Assignee
Riverwood International Corp
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 Riverwood International Corp filed Critical Riverwood International Corp
Publication of EP0845418A1 publication Critical patent/EP0845418A1/en
Application granted granted Critical
Publication of EP0845418B1 publication Critical patent/EP0845418B1/en
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
    • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
    • B65B65/02—Driving gear
    • 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
    • B65B21/00—Packaging or unpacking of bottles
    • B65B21/24—Enclosing bottles in wrappers
    • B65B21/242—Enclosing bottles in wrappers in collapsed carton sleeves
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/003—Arrangements to enable adjustments related to the packaging material

Definitions

  • the present invention relates to a drive system for a packaging machine.
  • a drive system for a packaging machine for applying cartons to a plurality of articles comprising first and second drive motors, the second motor taking a speed reference from the first motor, first and second main shafts for respective drive motors, a number of first power take-offs from the first main shaft and a number of second power take-offs from the second main shaft, the first power take-offs being connected to product pitched functions of the packaging machine and the second power take-offs being connected to non-pitched functions of the packaging machine.
  • the product pitched functions may include infeed starwheels, a carton pick mechanism, a folding mechanism for the carton sides, flap wheels for initiating a locking arrangement on the cartons.
  • the non-pitched functions may include a transport conveyor for the articles, a carton transport mechanism, an overhead boom for engaging an upperportionof the carton being applied.
  • An unpitched tightening mechanism for tightening the carton around the articles may also be a non-pitched machine function but could also be pitched.
  • a packaging machine 10 which in this embodiment is designed for applying and securing a sleeve type paperboard wrap around a plurality of articles such as bottles or cans. Other articles could be wrapped and the type of carton being applied could be different.
  • the packaging machine 10 incorporates a drive system 11 which comprises first and second drive motors 12, 13 connected to respective first and second main shafts 14, 15.
  • the second drive 13 takes a speed reference from the first drive 12.
  • Coupled to the first and second main shafts 14, 15 to be driven thereby are first and second sets of power take-offs 16, 17, said couplings generally including respective gearboxes 18, 19. (In this particular embodiment most gearbox ratios are 1:1).
  • the power take-offs 16, 17 are used to drive the various working sections of the packaging machine 10 using a combination of shafts, belts, pulleys, further gearboxes and other suitable components.
  • the second drive shaft and take-offs are shown blacked in.
  • a number of said working sections perform pitched functions which depend on the particular product/package configuration being run on the machine 10 at any one time and on the speed required in packs per minute. These first working sections will all be driven by the first power take-offs 16 and the settings for these first working sections will be stored for each package/speed combination in a computer management system.
  • the first working sections of the illustrated machine 10 include infeed starwheels 20 which meter the incoming product, a second set of starwheels 21, a carton pick mechanism 22 which takes a carton from a magazine 23 for each group of products to be wrapped, a folding mechanism in the form of rotating arms 24 for folding down the sides of each carton and also a flap folding section 25 which activates flap formations which constitute seat areas for heel portions of the products.
  • a number of said working sections perform non-pitched functions which run at the specific linear speed of the machine 10 which is the product of the package length and the machine speed in packs per minute.
  • the specific linear speed of the machine 10 which is the product of the package length and the machine speed in packs per minute.
  • the second drive 13 For each specific product/package configuration combination and number of packs per minute permutation stored in the computer management system there is a corresponding speed reference given to the second drive 13 such that all of the second working sections driven by the second drive 13 run at the correct speed as of course do all of the first working sections driven by the first drive 12.
  • the second working sections of the illustrated machine 10 include a product transport conveyor 30 for moving the products through the machine over base plate 35, a carton transport mechanism 31 for moving the carton through at least a portion of the machine, an overhead boom section 32 which in this arrangement holds the carton against the products as they move through part of the machine 10 and a tightening/locking section 33 which tightens the carton around the products and activates interengaging locking formations on the carton.
  • a tightening/locking section 33 could in fact be product pitched depending on its actual construction.

Abstract

There is provided a drive system 11 for a packaging machine for applying cartons to a plurality of articles. The drive system includes first and second drive motors 12, 13 and associated main shafts 14,15, the second drive motor 13 taking a speed reference from the first drive motor 12. The first main shaft 14 has a number of power take-offs 16 for driving the product pitched functions of the packaging machine. The second main shaft 15 also has a number of power take-offs 17 for driving the non-pitched functions of the packaging machine.

Description

The present invention relates to a drive system for a packaging machine.
In a packaging machine for applying cartons to a plurality of articles, such as a paperboard sleeve to a plurality of bottles, there are a number of functional parts which need to be driven at precise speeds and with precise synchronisation. If these are not achieved then the machine will not run smoothly or efficiently. The matter is complicated by the need to change the multipacks produced, for example, from 2 X 2 packs to 2 X 4 packs. The same number of cans may pass through the machine but half the number of carton blanks will need to be "picked" from the carton magazine. Certain parts of the machine will, therefore, need to be run at different speeds to other parts.
According to the present invention there is provided a drive system for a packaging machine for applying cartons to a plurality of articles, the drive system comprising first and second drive motors, the second motor taking a speed reference from the first motor, first and second main shafts for respective drive motors, a number of first power take-offs from the first main shaft and a number of second power take-offs from the second main shaft, the first power take-offs being connected to product pitched functions of the packaging machine and the second power take-offs being connected to non-pitched functions of the packaging machine.
Preferably the product pitched functions may include infeed starwheels, a carton pick mechanism, a folding mechanism for the carton sides, flap wheels for initiating a locking arrangement on the cartons. Also the non-pitched functions may include a transport conveyor for the articles, a carton transport mechanism, an overhead boom for engaging an upperportionof the carton being applied. An unpitched tightening mechanism for tightening the carton around the articles may also be a non-pitched machine function but could also be pitched.
In alternative embodiments there may be further servo drive motors associated with further main shafts and take-offs, which further drive motors take speed references from the first or second motors.
An embodiment of the present invention will now be described in more detail. The description makes reference to the accompanying drawings in which:
  • Figure 1 is a skeleton perspective view from one side of a drive system according to the present invention,
  • Figure 2 is a simplified view from the other side of a machine incorporating the drive arrangement of figure 1, and
  • Figure 3 is a simplified plan view of the machine shown in figure 2.
    • In the figures there is shown a packaging machine 10 which in this embodiment is designed for applying and securing a sleeve type paperboard wrap around a plurality of articles such as bottles or cans. Other articles could be wrapped and the type of carton being applied could be different.
    The packaging machine 10 incorporates a drive system 11 which comprises first and second drive motors 12, 13 connected to respective first and second main shafts 14, 15. The second drive 13 takes a speed reference from the first drive 12. Coupled to the first and second main shafts 14, 15 to be driven thereby are first and second sets of power take- offs 16, 17, said couplings generally including respective gearboxes 18, 19. (In this particular embodiment most gearbox ratios are 1:1). The power take- offs 16, 17 are used to drive the various working sections of the packaging machine 10 using a combination of shafts, belts, pulleys, further gearboxes and other suitable components. In figure 1, the second drive shaft and take-offs are shown blacked in.
    A number of said working sections perform pitched functions which depend on the particular product/package configuration being run on the machine 10 at any one time and on the speed required in packs per minute. These first working sections will all be driven by the first power take-offs 16 and the settings for these first working sections will be stored for each package/speed combination in a computer management system.
    The first working sections of the illustrated machine 10 include infeed starwheels 20 which meter the incoming product, a second set of starwheels 21, a carton pick mechanism 22 which takes a carton from a magazine 23 for each group of products to be wrapped, a folding mechanism in the form of rotating arms 24 for folding down the sides of each carton and also a flap folding section 25 which activates flap formations which constitute seat areas for heel portions of the products.
    In contrast, a number of said working sections perform non-pitched functions which run at the specific linear speed of the machine 10 which is the product of the package length and the machine speed in packs per minute. For each specific product/package configuration combination and number of packs per minute permutation stored in the computer management system there is a corresponding speed reference given to the second drive 13 such that all of the second working sections driven by the second drive 13 run at the correct speed as of course do all of the first working sections driven by the first drive 12.
    The second working sections of the illustrated machine 10 include a product transport conveyor 30 for moving the products through the machine over base plate 35, a carton transport mechanism 31 for moving the carton through at least a portion of the machine, an overhead boom section 32 which in this arrangement holds the carton against the products as they move through part of the machine 10 and a tightening/locking section 33 which tightens the carton around the products and activates interengaging locking formations on the carton. Sometimes this tightening/locking section 33 could in fact be product pitched depending on its actual construction.
    It will of course be appreciated that other functions could run off either the first or second drive shafts 14, 15 and some of those specified above may not be required in certain machine configurations. Also further drives and associated power take-offs could be provided, each taking a speed reference from the first or second drives.

    Claims (6)

    1. A drive system for a packaging machine for applying cartons to a plurality of articles, the drive system comprising first and second drive motors, the second motor taking a speed reference from the first motor, first and second main shafts for respective drive motors, a number of first power take-offs from the first main shaft and a number of second power take-offs from the second main shaft, the first power take-offs being connected to product pitched functions of the packaging machine and the second power take-offs being connected to non-pitched functions of the packaging machine.
    2. A drive system as claimed in claim 1 wherein the product pitched functions include infeed starwheels, a carton pick mechanism, a folding mechanism for the carton sides, flap wheels for initiating a locking arrangement on the cartons.
    3. A drive system as claimed in claim 1 or claim 2 wherein the non-pitched functions include a transport conveyor for the articles, a carton transport mechanism, an overhead boom for engaging an upper portion of the carton being applied.
    4. A drive system as claimed in any one of claims 1 to 3 wherein a power take off is provided for a tightening mechanism for tightening the carton around the articles.
    5. A drive system as claimed in any one of claims 1 to 4 wherein further servo drive motors associated with further main shafts and take-offs are provided, which further drive motors take speed references from the first or second motors.
    6. A drive system as claimed in any one of claims 1 to 5 wherein gearboxes are associated with at least some of the power take-offs.
    EP97309312A 1996-11-28 1997-11-19 Drive system for a packaging machine Expired - Lifetime EP0845418B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    GB9624737 1996-11-28
    GBGB9624737.4A GB9624737D0 (en) 1996-11-28 1996-11-28 Drive system for a packaging machine

    Publications (2)

    Publication Number Publication Date
    EP0845418A1 true EP0845418A1 (en) 1998-06-03
    EP0845418B1 EP0845418B1 (en) 2000-04-12

    Family

    ID=10803611

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP97309312A Expired - Lifetime EP0845418B1 (en) 1996-11-28 1997-11-19 Drive system for a packaging machine

    Country Status (5)

    Country Link
    EP (1) EP0845418B1 (en)
    JP (1) JPH10287312A (en)
    DE (1) DE69701667T2 (en)
    ES (1) ES2144829T3 (en)
    GB (1) GB9624737D0 (en)

    Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB797148A (en) * 1956-01-04 1958-06-25 Atlanta Paper Co Improvements in and relating to packaging
    DE8618502U1 (en) * 1985-07-17 1986-08-14 SITMA Società Italiana Macchine Automatiche S.p.A., Spilamberto, Modena Central drive for a packaging machine
    FR2608999A1 (en) * 1986-12-29 1988-07-01 Ima Spa MACHINE FOR MANUFACTURING PACKAGES OF THE "BLISTER" TYPE AND THE LIKE WITH MULTIPLE SYNCHRONIZED MOTORIZATION

    Patent Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB797148A (en) * 1956-01-04 1958-06-25 Atlanta Paper Co Improvements in and relating to packaging
    DE8618502U1 (en) * 1985-07-17 1986-08-14 SITMA Società Italiana Macchine Automatiche S.p.A., Spilamberto, Modena Central drive for a packaging machine
    FR2608999A1 (en) * 1986-12-29 1988-07-01 Ima Spa MACHINE FOR MANUFACTURING PACKAGES OF THE "BLISTER" TYPE AND THE LIKE WITH MULTIPLE SYNCHRONIZED MOTORIZATION

    Also Published As

    Publication number Publication date
    EP0845418B1 (en) 2000-04-12
    ES2144829T3 (en) 2000-06-16
    DE69701667T2 (en) 2000-09-21
    DE69701667D1 (en) 2000-05-18
    JPH10287312A (en) 1998-10-27
    GB9624737D0 (en) 1997-01-15

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