WO2008065035A1 - Preform positioning device - Google Patents

Preform positioning device Download PDF

Info

Publication number
WO2008065035A1
WO2008065035A1 PCT/EP2007/062672 EP2007062672W WO2008065035A1 WO 2008065035 A1 WO2008065035 A1 WO 2008065035A1 EP 2007062672 W EP2007062672 W EP 2007062672W WO 2008065035 A1 WO2008065035 A1 WO 2008065035A1
Authority
WO
WIPO (PCT)
Prior art keywords
preforms
arms
positioning device
preform
gripping
Prior art date
Application number
PCT/EP2007/062672
Other languages
French (fr)
Inventor
Lino Lanfranchi
Original Assignee
Lanfranchi S.R.L.
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 Lanfranchi S.R.L. filed Critical Lanfranchi S.R.L.
Publication of WO2008065035A1 publication Critical patent/WO2008065035A1/en

Links

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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/10—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles
    • B65B5/105—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles by grippers
    • 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
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/34—Packaging other rod-shaped articles, e.g. sausages, macaroni, spaghetti, drinking straws, welding electrodes

Definitions

  • the present invention relates to a preform positioning device, particularly for use in systems for orderly packaging of plastic preforms in boxes or containers, generally of cardboard or plastic, in which they are stored; the preform positioning device holds a row of preforms and enters the box to position such row therein as desired.
  • the introduction of the positioning device in the box is affected by certain drawbacks , particularly caused by the small clearances between the ends of the device and the box, which sometimes bring about undesired dragging effects, with consequent damages to the box and the partition introduced therein.
  • the present invention has the object of obviating the above drawbacks , by providing a positioning device as defined in the annexed claims .
  • the present device is composed of two arms which may be moved against each other or define a smaller angle to increase the distance between the ends and the walls of the box and/or the partitions contained therein, to avoid the above drawbacks .
  • Figure 1 is a perspective view of the positioning device of this invention, and particularly of the positioning head, - Figure 2 shows a front view of the head of Figure 1 ,
  • FIG. 3 is a detail view of a movable arm with bellows
  • FIG. 4 is an exploded view of the device.
  • numeral 1 generally designates a device for positioning preforms 10, and particularly its end part, i.e. the positioning head.
  • a handling unit is provided upstream from said head, which comprises a vertically extending arm with the movable gripping head 1 mounted at its bottom end, namely in corresponding flanges, which are designated by numeral 2 , and are connected to a side 3 that supports additional components, as described below.
  • the handling unit and the head are used for orderly introduction of the rows of preforms 10 in a special box, in view of space optimization.
  • Means 4 , 5 , 8 are provided for moving two independent arms 7 and 9 that form the gripping head 1.
  • said means 4, 5 and 8 include a cylinder 4 at whose ends two racks 5 mesh with corresponding wheels 8 , which are axially mounted to two shafts 15 and connected to the supports 6 for connection with the arms 7 and 9 for gripping and holding the preforms 10.
  • the actuation of the cylinder 4 causes a linear displacement of the rack to set the wheels 8, and hence the supports 6 and the arms 7 and 9 into rotation; this favorable conformation of the positioning device 1 of the invention allows the latter to enter the underlying box with the arms 7 and 9 one against the other, i.e. pivoted upwards (see Figure 2) , whereas the arms 7 and 9 can be restored to their linear position in the box, to rearrange and properly deposit the row of picked up preforms 10.
  • the preform 10 gripping arm 7 including a plurality of cavities 20, each with a bellows 21 projecting therefrom: the bellows 21 creates a certain degree of negative pressure (by vacuum) , thanks to means contained in the arms, which are known per se and will not be described herein, whereas the cavity 20 is adapted to stabilize and lock the preform 10 once it has been sucked in by the bellows 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

A preform (10) positioning device (1), for orderly packaging of rows of preforms (10) in cardboard or plastic containers; said positioning device (1) having linearly extending arms (7, 9) for gripping and holding a row or preforms (10) and having means for pivoting, i.e. moving the arms ( 7, 9) towards and away from each other for optimized introduction thereof in the container.

Description

TITLE: PREFORM POSITIONING DEVICE
DESCRIPTION
The present invention relates to a preform positioning device, particularly for use in systems for orderly packaging of plastic preforms in boxes or containers, generally of cardboard or plastic, in which they are stored; the preform positioning device holds a row of preforms and enters the box to position such row therein as desired. The introduction of the positioning device in the box is affected by certain drawbacks , particularly caused by the small clearances between the ends of the device and the box, which sometimes bring about undesired dragging effects, with consequent damages to the box and the partition introduced therein.
The present invention has the object of obviating the above drawbacks , by providing a positioning device as defined in the annexed claims .
The present device is composed of two arms which may be moved against each other or define a smaller angle to increase the distance between the ends and the walls of the box and/or the partitions contained therein, to avoid the above drawbacks .
These objects and advantages are achieved by the preform positioning device of this invention, which is characterized by the annexed claims .
These and other features will be more apparent from the following description of a few embodiments , which are shown by way of example and without limitation in the accompanying drawings, in which:
Figure 1 is a perspective view of the positioning device of this invention, and particularly of the positioning head, - Figure 2 shows a front view of the head of Figure 1 ,
- Figure 3 is a detail view of a movable arm with bellows , - Figure 4 is an exploded view of the device.
Referring to Figures 1 and 2 , numeral 1 generally designates a device for positioning preforms 10, and particularly its end part, i.e. the positioning head.
A handling unit, not shown, is provided upstream from said head, which comprises a vertically extending arm with the movable gripping head 1 mounted at its bottom end, namely in corresponding flanges, which are designated by numeral 2 , and are connected to a side 3 that supports additional components, as described below.
The handling unit and the head are used for orderly introduction of the rows of preforms 10 in a special box, in view of space optimization.
Means 4 , 5 , 8 are provided for moving two independent arms 7 and 9 that form the gripping head 1.
More in detail, said means 4, 5 and 8 include a cylinder 4 at whose ends two racks 5 mesh with corresponding wheels 8 , which are axially mounted to two shafts 15 and connected to the supports 6 for connection with the arms 7 and 9 for gripping and holding the preforms 10.
Due to the cylinder 4 and the shafts 15 being attached to the flange 3, the actuation of the cylinder 4 causes a linear displacement of the rack to set the wheels 8, and hence the supports 6 and the arms 7 and 9 into rotation; this favorable conformation of the positioning device 1 of the invention allows the latter to enter the underlying box with the arms 7 and 9 one against the other, i.e. pivoted upwards (see Figure 2) , whereas the arms 7 and 9 can be restored to their linear position in the box, to rearrange and properly deposit the row of picked up preforms 10. Particularly referring to Figure 4 , a detail of the preform 10 gripping arm 7 is shown, including a plurality of cavities 20, each with a bellows 21 projecting therefrom: the bellows 21 creates a certain degree of negative pressure (by vacuum) , thanks to means contained in the arms, which are known per se and will not be described herein, whereas the cavity 20 is adapted to stabilize and lock the preform 10 once it has been sucked in by the bellows 21.

Claims

1. A preform (10) positioning device (1), for orderly packaging of rows of preforms (10) in cardboard or plastic containers; said positioning device (1) having linearly extending arms (7, 9) for gripping and holding a row or preforms (10) , characterized in that the arms (7 , 9) can be moved towards and away from each other for optimized introduction thereof in the container.
2. A device (1) as claimed in claim 1, characterized in that said pivotal motion is accomplished by means (4, 5, 8) adapted to move said arms towards and away from each other (7, 9) .
3. A device (1) as claimed in claim 1, characterized in that said means (4, 5, 8) include a cylinder (4) which operates on toothed wheels (8) through a pair of racks (5) ; rotation of the wheels (8) causes a corresponding rotation of the supports (6) of the arms (7) and (9) .
4. A device (1) as claimed in claim 1, characterized in that each arm (7, 9) for gripping the preforms (10) has a plurality of cavities (20) , each having a bellows (21) projecting therefrom for creating a certain degree of vacuum to suck in the preforms (10) ; said cavity (20) being adapted to stabilize and lock the preform (10) once it has been sucked in by the bellows (21) .
PCT/EP2007/062672 2006-11-28 2007-11-22 Preform positioning device WO2008065035A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPR20060105 ITPR20060105A1 (en) 2006-11-28 2006-11-28 PREFORMING POSITIONER DEVICE
ITPR2006A000105 2006-11-28

Publications (1)

Publication Number Publication Date
WO2008065035A1 true WO2008065035A1 (en) 2008-06-05

Family

ID=38983561

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/062672 WO2008065035A1 (en) 2006-11-28 2007-11-22 Preform positioning device

Country Status (2)

Country Link
IT (1) ITPR20060105A1 (en)
WO (1) WO2008065035A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPR20090070A1 (en) * 2009-09-14 2011-03-15 Lanfranchi Srl METHOD AND APPARATUS FOR TAKING AND TRANSFERRING THESE PREFORMATIONS COMING FROM TRANSPORT IN CONDITIONS NOT ORDERED
ITPR20110075A1 (en) * 2011-08-23 2013-02-24 Lanfranchi Srl METHOD AND HEAD FOR PREFORM HANDLING
EP2801531A3 (en) * 2013-05-08 2014-12-03 Waldorf Technik GmbH & Co. KG Packaging method, packaging device and injection moulding machine with packaging device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168204A (en) * 1961-06-29 1965-02-02 Voullaire Izak Johannes Apparatus for packing fruit
US4567712A (en) * 1982-03-05 1986-02-04 E. I. Du Pont De Nemours And Company Vacuum transfer apparatus for packing layers of articles in a container
US5079903A (en) * 1990-10-26 1992-01-14 Tatra Pak Holdings, S.A. Gripping head for loading packages into crates

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168204A (en) * 1961-06-29 1965-02-02 Voullaire Izak Johannes Apparatus for packing fruit
US4567712A (en) * 1982-03-05 1986-02-04 E. I. Du Pont De Nemours And Company Vacuum transfer apparatus for packing layers of articles in a container
US5079903A (en) * 1990-10-26 1992-01-14 Tatra Pak Holdings, S.A. Gripping head for loading packages into crates

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPR20090070A1 (en) * 2009-09-14 2011-03-15 Lanfranchi Srl METHOD AND APPARATUS FOR TAKING AND TRANSFERRING THESE PREFORMATIONS COMING FROM TRANSPORT IN CONDITIONS NOT ORDERED
EP2295353A1 (en) * 2009-09-14 2011-03-16 Lanfranchi S.R.L. Method and apparatus for picking up and carrying preforms from bulk transport
ITPR20110075A1 (en) * 2011-08-23 2013-02-24 Lanfranchi Srl METHOD AND HEAD FOR PREFORM HANDLING
EP2801531A3 (en) * 2013-05-08 2014-12-03 Waldorf Technik GmbH & Co. KG Packaging method, packaging device and injection moulding machine with packaging device

Also Published As

Publication number Publication date
ITPR20060105A1 (en) 2008-05-29

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