EP0602299A1 - Vorrichtung zum Umwickeln empfindlicher Gegenstände, insbesondere Seifenstücke - Google Patents

Vorrichtung zum Umwickeln empfindlicher Gegenstände, insbesondere Seifenstücke Download PDF

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Publication number
EP0602299A1
EP0602299A1 EP92830673A EP92830673A EP0602299A1 EP 0602299 A1 EP0602299 A1 EP 0602299A1 EP 92830673 A EP92830673 A EP 92830673A EP 92830673 A EP92830673 A EP 92830673A EP 0602299 A1 EP0602299 A1 EP 0602299A1
Authority
EP
European Patent Office
Prior art keywords
unit
sheets
wrapping
conveyor
rollers
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Withdrawn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
EP92830673A
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English (en)
French (fr)
Inventor
Fulvio Binacchi
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.)
Binacchi and C Srl
Original Assignee
Binacchi and C Srl
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 Binacchi and C Srl filed Critical Binacchi and C Srl
Priority to EP92830673A priority Critical patent/EP0602299A1/de
Publication of EP0602299A1 publication Critical patent/EP0602299A1/de
Withdrawn legal-status Critical Current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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/02—Feeding sheets or wrapper blanks
    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
    • B65B11/10—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents

Definitions

  • the present invention relates to an apparatus for wrapping delicate products, particularly such as soap bars.
  • soap bars are mutually spaced by a constant pitch and are then deposited in seats of a conveyor which feeds them towards a wrapping machine.
  • a wrapping machine is essentially constituted by a flexible element which is aligned with the soap bar feeder conveyor and on which equidistant clamps are arranged; said clamps pick up the wrapping sheets from a feeder unit and place them horizontally above each incoming soap bar. After the placement of the wrapping sheets on the soap bars, appropriate folding elements close the wrapping.
  • a wrapping machine of this type is described for example in Italian patent no. 906563.
  • wrapping machines of the described type have the substantial disadvantage that the distance between the clamps is excessive and cannot be reduced due to constructive reasons, so that problems in timing with respect to the incoming soap bars arise; these problems in practice lead to a reduction in the processing rate and, ultimately, to the impossibility of fully exploiting the potential of the molding machine.
  • the technical aim of the present invention is therefore to provide an apparatus for wrapping delicate products, particularly a wrapping machine for soap bars, which allows to obviate the shortcomings peculiar to conventional machines, i.e. is less complicated and faster.
  • an apparatus for wrapping delicate products which comprises: a product feeder conveyor which is provided with equidistant seats for receiving the individual products; a transfer unit which is closed in a loop and has an initial portion which is aligned with, and superimposed on, the terminal portion of said feeder conveyor; a plurality of clamp elements which are mounted on said transfer unit at a mutual distance equal to the distance between the products on said conveyor; said conveyor and said transfer unit having an equal speed and being mutually in step so that along said overlapping portions a product is arranged opposite to each clamp; an abutment arranged at each clamp element; means for feeding wrapping sheets; means for placing each wrapping sheet under a respective abutment; means for lifting the individual products from their respective seats towards the opposite abutments, so that each wrapping sheet remains secured between a product and the related abutment; means for actuating said clamp elements so as to wrap and grip said products and transfer them towards folding elements to complete the wrapping; said apparatus being characterized in that said wrapping sheet placement means comprise a
  • the apparatus comprises a conveyor 1 for feeding the products 2, which in the specific case are constituted by soap bars which arrive from a molding machine 3 with which the apparatus is associated.
  • said molding machine is provided with a soap bar unloading system according to Italian patent no. 1,215,811 in the name of the same Applicant.
  • the conveyor 1 is composed of a flexible element 4 (for example a pair of chains or belts) which has a horizontal upper section with a terminal portion 5 which moves in the direction A.
  • a flexible element 4 for example a pair of chains or belts
  • each seat 6 for the soap bars 2 is distributed with a pitch P along the conveyor 1; each seat is formed by a pair of wings 7 and 8 which are articulated to the flexible element 4 and are shaped so as to accommodate the soap bars 2 arriving from the molding machine 3 and keep them in position.
  • the wings 7 and 8 are kept upright by means of stationary cams (not shown) so as to form the seats 6.
  • the cams open the wings 7 and 8 to release the soap bars and allow their further advancement by means of a transfer unit, generally designated by the reference numeral 10.
  • Said transfer unit 10 is constituted by a flexible element 11 (for example chains or belts) which is wound in a loop around two pulleys 12 and 13 so that it is co-planar to the conveyor 1.
  • the transfer unit 10 comprises a lower section which is parallel to the upper section of the conveyor 1 and has an initial portion 14 which overlaps the terminal portion 5 of the conveyor 1.
  • the transfer unit 10 and the conveyor 1 are actuated with identical and opposite speeds, so that their lower and upper sections move with nil relative speed in the same direction A.
  • a plurality of clamp elements 15 is distributed along the flexible element 11; clamp each element is composed of a pair of articulated jaws 16 and 17 between which abutments 18 are arranged.
  • the clamp elements 15 have the same pitch P as the seats 6, and the conveyor 1 is in step with the transfer unit 10 so that a respective clamp element 15 is vertically aligned along the overlapping portions 5 and 14.
  • the abutments 18 are arranged at a slightly higher level than the top of the soap bars 2, so that a gap is left between the soap bars and the abutments; due to reasons specified hereinafter, this gap is recovered by lifting the soap bars from their location within the seats 6 against the abutments 18.
  • Said element 19 is wound around a pulley which is coaxial to the pulleys 9 and around a pulley 20 which is supported ahead of the point B at which the flexible element 11 of the transfer unit 10 arranges itself parallel to the flexible element 4 of the conveyor 1.
  • Elastic supports 21 are distributed on the flexible element 19, have the same pitch as the seats 6 and are in step with them. Said flexible element 19 is timed and guided so as to move the supports 21 below the respective soap bars 2 and then raise them by means of stationary cams (not shown) until contact is made with the abutments 18 of the clamp elements 15.
  • the wrapping sheet 22 is formed by mutually coupling two strips 24 and 25 which are taken from respective rolls 26 and 27 (figure 3) and are directed, through respective series 28 and 29 of movable rollers which act as compensation devices, tension rollers 30 and 31 and pairs of unwinding rollers 32 and 33 toward a rotating blade 34 which cuts segments of the required length which indeed constitutes the wrapping sheets 22.
  • a separation and orientation device 35 (hereinafter simply termed separator), arranged downstream of the blade 34, mutually spaces the sheets at the exit of the rotating blade 34 and orientates them from a horizontal entry position to a vertical exit position.
  • the separator 35 is composed of a flexible element, for example belts 36 (or other equivalent flexible element) which are wound around pulleys 37, 38, 39 and 40 which are arranged so that the belts 36 have a four-sided configuration, with a horizontal upper side 41 and a lateral side 42 which is arranged vertically and continues downward, forming a side 43 which is oblique with respect to the vertical.
  • a flexible element for example belts 36 (or other equivalent flexible element) which are wound around pulleys 37, 38, 39 and 40 which are arranged so that the belts 36 have a four-sided configuration, with a horizontal upper side 41 and a lateral side 42 which is arranged vertically and continues downward, forming a side 43 which is oblique with respect to the vertical.
  • Sprung rollers 44 are arranged in contact with the sides 41 and 42 and, in cooperation with the belts 36, grip the sheets and guide them toward an intermittent actuation unit 45.
  • the intermittent actuation unit 45 is constituted by a pair of contra-rotating rollers 46 and 47 whose plane of tangency is co-planar to the vertical plane defined by the side 42 of the separator 35.
  • a further unit 48 is arranged after the intermittent actuation unit 45, defined as the sorting unit, since the sheets which arrive from the intermittent actuation unit 45 mutually partially overlap inside it.
  • Said unit 48 is composed of a further series of sprung rollers 49 which are arranged on a vertical plane and in front of which a flexible element 50 is tangentially in contact; said flexible element is for example composed of belts or other devices closed in a loop around a set of three pulleys 51, 52 and 53.
  • Said pulleys 51, 52 and 53 are arranged so that the flexible element 50 has a vertical section 54 in tangential contact with the rollers 49 and an upper section 55 which is inclined with respect to the vertical and forms a sort of a funnel together with the upper rollers of the series 49.
  • the belts 36, the flexible element 50 and the rollers 46 and 47 are actuated by means of an intermittent actuation device 56 so as to intermittently activate the rollers 46 and 47 with a tangential speed equal to that of the belts 36 when they receive the sheets 22 from said belts and so as to then reduce said speed as soon as the sheets have left the element 36 and subsequently bring it to the same speed as element 50 when the sheets are picked up by the sorting unit 48.
  • the described apparatus is completed by a device 57, hereinafter termed insertion unit, which places the sheets 22 between the soap bars 2 and the abutments 18.
  • Said insertion unit 57 is constituted by a flexible element, for example by a pair of belts 58 closed in a loop about pulleys 59 and 60 arranged so that the upper section of the belts extends downwards from the output of the flexible element 50 to the point of tangency B of the conveyor 1 with respect to the transfer unit 10.
  • the pulleys 60 for guiding the belts 58 have a minimal diameter in order to allow to move the output of the insertion unit 57 as close as possible to the point of tangency B.
  • the operation of the described device is as follows.
  • the sheets 22, which are cut from the strips 24 and 25 by means of the rotating blade 34, are mutually spaced and directed by the separator 35 between the rollers 46 and 47 of the intermittent actuation unit 45 and are guided between the rollers 49 and the flexible element 50.
  • the speed of the rollers 46 and 47 is reduced and becomes equal to the speed of the sorting unit 48.
  • the terminal flap of the sheet previously gripped between the rollers 49 and the flexible element 50 overlaps the initial flap of the sheet which is lowered by the rollers 46 and 47, so that the sheets which enter the insertion unit 57 have mutually overlapping leading and trailing edges and are inserted between the soap bars 2 and the respective abutments 18 in this configuration.
  • the rate at which the sheets are fed by the insertion unit 57 is such that in the point of tangency B the central region of the sheets, i.e. the one which does not overlap the other regions, is arranged between the soap bar and the abutment. Upon the subsequent lifting of the elastic supports 21, the sheets 22 remain secured at said central region.
  • the jaws 16 and 17 of the clamp elements 15 are actuated so that they close; said clamp elements cause the downward folding of the front and rear flaps of the sheets and the gripping of the soap bars, which can thus be transferred downstream toward the folders 62 and 63 which complete the forming of the package.
  • a substantial prerogative of the invention is constituted by the fact that the overlap of the sheets along the section which corresponds to the portions 5 and 14 allows to move the grip elements 15 significantly closer together, with considerable advantages in productivity.
  • the structure of the conveyor 10 is furthermore considerably simplified, and said conveyor no longer requires clamps for picking up the sheets and placing them on the soap bars.
  • the shapes and dimensions may vary according to the requirements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)
EP92830673A 1992-12-16 1992-12-16 Vorrichtung zum Umwickeln empfindlicher Gegenstände, insbesondere Seifenstücke Withdrawn EP0602299A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP92830673A EP0602299A1 (de) 1992-12-16 1992-12-16 Vorrichtung zum Umwickeln empfindlicher Gegenstände, insbesondere Seifenstücke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92830673A EP0602299A1 (de) 1992-12-16 1992-12-16 Vorrichtung zum Umwickeln empfindlicher Gegenstände, insbesondere Seifenstücke

Publications (1)

Publication Number Publication Date
EP0602299A1 true EP0602299A1 (de) 1994-06-22

Family

ID=8212211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92830673A Withdrawn EP0602299A1 (de) 1992-12-16 1992-12-16 Vorrichtung zum Umwickeln empfindlicher Gegenstände, insbesondere Seifenstücke

Country Status (1)

Country Link
EP (1) EP0602299A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998018677A1 (en) * 1996-10-31 1998-05-07 Riverwood International Corporation Carton blank transport apparatus
WO2002098745A2 (en) * 2001-06-01 2002-12-12 Colgate-Palmolive Company Soap bar wrapper
WO2003016168A1 (en) * 2001-08-17 2003-02-27 Colgate-Palmolive Company Soap bar wrapper
EP1352835A3 (de) * 2002-04-09 2004-04-21 AZIONARIA COSTRUZIONI MACCHINE AUTOMATICHE-A.C.M.A.-S.p.A. Vorrichtung zum Übertragen von Gegenständen und eine mit dieser Vorrichtung versehene Einwickelmaschine
WO2020038724A1 (en) * 2018-08-21 2020-02-27 Unilever Plc Soap wrapper and process

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338026A (en) * 1963-10-16 1967-08-29 Carle & Montanari Spa Packaging machines
DE2328333A1 (de) * 1973-06-04 1973-12-13 Buren Ind Inc Van Vorrichtung zum einwickeln von gegenpr 05.06.72 v.st.a. 259450 staenden
CH641106A5 (en) * 1979-07-05 1984-02-15 Haensel Otto Gmbh Apparatus for the continuous wrapping of sweets

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338026A (en) * 1963-10-16 1967-08-29 Carle & Montanari Spa Packaging machines
DE2328333A1 (de) * 1973-06-04 1973-12-13 Buren Ind Inc Van Vorrichtung zum einwickeln von gegenpr 05.06.72 v.st.a. 259450 staenden
CH641106A5 (en) * 1979-07-05 1984-02-15 Haensel Otto Gmbh Apparatus for the continuous wrapping of sweets

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998018677A1 (en) * 1996-10-31 1998-05-07 Riverwood International Corporation Carton blank transport apparatus
AU734717B2 (en) * 1996-10-31 2001-06-21 Graphic Packaging International, Inc. Carton blank transport apparatus
US6497084B1 (en) * 1996-10-31 2002-12-24 Riverwood International Corporation Carton blank transport apparatus
WO2002098745A2 (en) * 2001-06-01 2002-12-12 Colgate-Palmolive Company Soap bar wrapper
WO2002098745A3 (en) * 2001-06-01 2003-04-10 Colgate Palmolive Co Soap bar wrapper
AU2002310184B2 (en) * 2001-06-01 2006-11-23 Colgate-Palmolive Company Soap bar wrapper
WO2003016168A1 (en) * 2001-08-17 2003-02-27 Colgate-Palmolive Company Soap bar wrapper
US7428965B2 (en) 2001-08-17 2008-09-30 Colgate-Palmolive Company Soap bar wrapper
US7707804B2 (en) 2001-08-17 2010-05-04 Colgate-Palmolive Company Method of wrapping a soap bar
EP1352835A3 (de) * 2002-04-09 2004-04-21 AZIONARIA COSTRUZIONI MACCHINE AUTOMATICHE-A.C.M.A.-S.p.A. Vorrichtung zum Übertragen von Gegenständen und eine mit dieser Vorrichtung versehene Einwickelmaschine
WO2020038724A1 (en) * 2018-08-21 2020-02-27 Unilever Plc Soap wrapper and process

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