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WO2017114841A1 - Ensemble de changement de format dans une machine à remplir les caisses - Google Patents

Ensemble de changement de format dans une machine à remplir les caisses Download PDF

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Publication number
WO2017114841A1
WO2017114841A1 PCT/EP2016/082726 EP2016082726W WO2017114841A1 WO 2017114841 A1 WO2017114841 A1 WO 2017114841A1 EP 2016082726 W EP2016082726 W EP 2016082726W WO 2017114841 A1 WO2017114841 A1 WO 2017114841A1
Authority
WO
WIPO (PCT)
Prior art keywords
elements
contrast
pusher
way
transmission device
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.)
Ceased
Application number
PCT/EP2016/082726
Other languages
English (en)
Inventor
Fabio Sassi
Tommaso Venturelli
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.)
Gima SpA
Original Assignee
Gima SpA
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 Gima SpA filed Critical Gima SpA
Publication of WO2017114841A1 publication Critical patent/WO2017114841A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • 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
    • 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
    • B65B19/02—Packaging cigarettes
    • 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
    • B65B59/02—Arrangements to enable adjustments to be made while the machine is running
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/84—Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
    • B65G47/841—Devices having endless travelling belts or chains equipped with article-engaging elements

Definitions

  • the present invention relates to an assembly for format changing in a casing machine.
  • the movement means comprise a pusher element and a contrast element in order to ensure that positioning is precise in every step of conveyance.
  • format changing operations entail a machine downtime that becomes longer as the number of modifications to be made increases.
  • the aim of the present invention is to solve the problems described above, by proposing an assembly for format changing in a casing machine by means of which it is possible to adjust the format in width and in height in order to allow the conveyance of products of substantially any shape and dimensions.
  • an object of the invention is to propose an assembly for format changing in a casing machine of a completely automatic type, which therefore does not require the direct intervention of an operator.
  • Another object of the invention is to propose an assembly for format changing in a casing machine that does not require machine downtime and indeed can be used while the conveyance line defined by it is in motion.
  • a further object of the present invention is to provide an assembly for format changing in a casing machine that has modest costs, is relatively simple to provide in practice and is safe in application.
  • an assembly for format changing in a casing machine of the type comprising a conveyance line for casings, provided with at least one pusher element and at least one contrast element between which the casing to be conveyed is to be interposed, characterized in that said pusher elements and said contrast elements are arranged in mutually opposite pairs, each comprising respective upper elements and lower elements, said upper pusher elements and contrast elements being integral with at least one upper apparatus of the type of a belt, a chain and the like, and said lower pusher elements and contrast elements being integral with at least one lower apparatus, of the type of a belt, a chain and the like, each apparatus being controlled by a respective motor with the interposition of respective driving elements, the driving elements of at least one of said apparatuses comprising a three-way differential for the height variation of said at least one apparatus.
  • Figure 1 is a simplified perspective view of an assembly for format changing in a casing machine according to the invention
  • Figure 2 is a sectional view of the assembly of Figure 1 ;
  • Figure 3 is a partially sectional perspective view of the differential of an assembly for format changing in a casing machine according to the invention
  • Figure 4 is a sectional perspective view, taken along a vertical axial plane, of the differential of Figure 3;
  • Figure 5 is a sectional front view, taken along a vertical axial plane, of the assembly of Figure 1 ;
  • Figure 6 is a front view of the assembly of Figure 1 ;
  • Figure 7 is a sectional front view, taken along a vertical axial plane, of the differential of Figure 3.
  • the reference numeral 1 generally designates an assembly for format changing in a casing machine.
  • the casing machine designed to comprise the assembly 1 comprises a conveyance line 2 for casings.
  • the line 2 is provided with at least one contrast element 3, 4 and at least one pusher element 5, 6, between which the product to be conveyed is to be interposed.
  • each pair comprises respective upper elements 3 and 5 and lower elements 4 and 6.
  • the upper pusher elements 5 and contrast elements 3 are integral with at least one upper apparatus 7, 8 (upper apparatus of the type of a belt, a chain and the like), while the lower pusher elements 6 and contrast elements
  • Each apparatus 7, 8 and 9, 10 (preferably, as will become better apparent hereinafter, each pair of apparatuses) is controlled by a respective motor 12 (the other motor is not visible in the accompanying figures) with the interposition of respective driving elements.
  • the driving elements of at least one of the apparatuses 7, 8 comprise a three-way differential 13 for varying the height of the at least one apparatus 7, 8 (in particular, as mentioned earlier, it may be preferably a pair of apparatuses).
  • the upper apparatuses 7 and 8 are two and the lower apparatuses 9 and 10 also are two.
  • a first upper apparatus 7 (therefore, for example, a belt or a chain) is integral with the upper pusher elements 5 and a second upper apparatus 8 (also constituted by a chain, a belt or the like) is integral with the upper contrast elements 3.
  • a first lower apparatus 10 for example a belt or a chain or the like
  • a second lower apparatus 9 also constituted by a belt, a chain or the like
  • the upper apparatus 7 comprising the pusher elements 5 and the lower apparatus 10 comprising the pusher elements 6 are controlled by a same first motor 12 which is coupled to a first driving element 14 which comprises a pulley 15.
  • the pulley 15 is keyed to the shaft of the first motor 12, which is preset for the actuation of a first transmission device associated with an upper pusher apparatus 7 (of the type of a belt, a chain and the like) and of a second transmission device associated with the lower pusher apparatus 10 (of the type of a belt, a chain and the like).
  • the upper apparatus 8 (of the type of a belt, a chain and the like) comprising the contrast elements 3 and the lower apparatus 9 (of the type of a belt, a chain and the like) comprising the contrast elements 4 are controlled by a same second motor (not visible in the accompanying figures) coupled to a second driving element which comprises a pulley, which is keyed to the shaft of said second motor.
  • Said pulley is preset for the actuation of a third transmission device which is associated with the upper contrast apparatus 8 (of the type of a belt, a chain and the like) and of a fourth transmission device associated with the lower contrast apparatus 9 (of the type of a belt, a chain and the like).
  • the upper pusher apparatus 7 (of the type of a belt, a chain and the like) and the upper contrast apparatus 8 (of the type of a belt, a chain and the like) can translate integrally away/toward the lower pusher apparatus 10 (of the type of a belt, a chain and the like) and the lower contrast apparatus 9 (of the type of a belt, a chain and the like).
  • the first transmission device associated with the upper pusher apparatus 7 (of the type of a belt, a chain and the like) and the third transmission device associated with the upper contrast apparatus 8 (of the type of a belt, a chain and the like) are integral with a support 16, which can move with respect to a fixed frame 17, supporting the second transmission device associated with the lower pusher apparatus 10 (of the type of a belt, a chain and the like) and the fourth transmission device associated with the lower contrast apparatus 9 (of the type of a belt, a chain and the like).
  • the three-way differential 13 is positively integral with the fixed frame 17 and functionally associated with the movable support 16.
  • the three-way differential 13 comprises a first way which is constituted by a first gearwheel 18 which is associated with the fourth transmission device associated with the lower contrast belt 9, a second way constituted by a lower coupling body 19 which is associated with the third transmission device associated with the upper contrast belt 8, and a third way, which is constituted by a ring gear 20 which is associated with a respective actuation unit.
  • the ring gear 20 Upon a movement of the respective actuation unit, the ring gear 20 is subjected to an angular rotation, with respect to the frame 17, which causes a relative rotation of the first way with respect to the second way: this relative rotation causes a height variation of the movable support 16.
  • the differential 13 comprises an upper gearwheel 18 which constitutes the first way, a lower coupling body 19, which constitutes the second way, a planet carrier flange 21 which can rotate coaxially with the upper gearwheel 18 and the lower coupling body 19, at least one gearwheel 22 the axis of rotation of which is coupled to the frame 17.
  • the gearwheel 22 is constituted by two mutually coupled coaxial wheels: the idle gearwheel 22b meshes with the gearwheel 18, while the idle gearwheel 22a meshes with the intermediate gearwheel 18a (which also is idle).
  • the substantially central ring gear 20, which constitutes the third way, is coupled to the planet carrier flange 21.
  • the lower coupling body 19, which constitutes the second way, comprises an internal thread 23 which is complementary to a corresponding external thread of the movement shaft 24 of the transmission device associated with the upper contrast apparatus 8 (of the type of a belt, a chain and the like).
  • n designates the number of teeth of the idle gearwheel 22b
  • the gearwheel 22a that is integral with the gearwheel 22b must have a number of teeth that is at least equal to "n-1 " or "n+1 ", i.e., a number of teeth that differs from the number of teeth of the gearwheel 22b by at least one unit (one tooth).
  • the gearwheel 22a that is integral with the gearwheel 22b has "n +1 " teeth.
  • This relative rotation of the upper gearwheel 18 with respect to the coupling body 19 does not depend on the kinematic condition of the gearwheel 18 (which can be equally stationary, i.e., nonrotating, or in motion).
  • the relative rotation of the upper gearwheel 18 with respect to the coupling body 19 depends in fact exclusively on the rotation of the ring gear 20 with respect to the frame 17 (which is fixed) and on the meshing ratios of the differential mechanism 13 described previously.
  • a rotation of the lower coupling body 19 that causes an angular offset with respect to the shaft 24 causes a translation of the shaft 24, as a consequence of a progressive unscrewing/screwing thereof with respect to the internal thread 23 of the lower coupling body 19, with consequent translation of the movable support 16.
  • the assembly 1 comprises transmission means 25a, which are controlled by the ring gear 20, for respective vertical translation stations 25 distributed along the conveyance line 2 for products to be inserted within casings (each station being able to translate with respect to a corresponding shaft 24a).
  • the actuation of the stations 25, following a movement of the ring gear 20, causes a simultaneous vertical translation of a movable element of the stations 25 and of the movable support 16, with consequent translation of the upper pusher apparatus 7 (of the type of a belt, a chain and the like) and of the upper contrast apparatus 8 (of the type of a belt, a chain and the like) along successive planes of arrangement, which are arranged so as to be substantially mutually parallel.
  • each pusher element 5, 6 and each contrast element 3, 4 is constituted by a coupling plate 26 and by a band 27 which is perpendicular to the plate 26.
  • the plate 26 of a pusher element 5, 6 is coupled rigidly to the respective pusher apparatus 7, 10 (of the type of a belt, a chain and the like) and can slide with respect to the contiguous contrast apparatus 8, 9 (of the type of a belt, a chain and the like), while the plate 26 of a contrast element 3, 4 is coupled rigidly to the respective contrast apparatus 8, 9 (of the type of a belt, a chain and the like) and can slide with respect to the contiguous pusher apparatus 7, 10 (of the type of a belt, a chain and the like).
  • the elements 3, 4, 5 and 6 can be validly made of metallic material or polymeric material or composite material, in turn coupled to the belts of the conveyance system 7, 8, 9 and 10 by using plates 26 which are conveniently accommodated in slots provided on the teeth of the respective belt 7, 8, 9 and 10.
  • Each element 3, 4, 5 and 6 is functionally associated with two distinct belts 7, 8, 9 and 10: with respect to one of them, it is rigidly coupled, while with respect to the other one it can slide, allowing to follow the adjustment of the format in terms of width.
  • the two pusher elements 5, 6 must travel aligned and synchronously, in order to ensure a correct conveyance of the casing along the work flow of the conveyance line 2.
  • the link between the belts 7, 10 that move the pusher elements 5, 6 (and likewise for the belts 8, 9 that move the contrast elements 3, 4) is of the mechanical type.
  • the characteristics of the assembly 1 one notices the following.
  • the belts 8 and 9 give motion to the contrast elements 3 and 4, while the belts 7, 10 move the pusher elements 5 and 6. Therefore, the belts 8 and 9 must be linked mechanically, and likewise the belts 7, 10.
  • two independent servomotors are used (only the motor 12 is visible in the figure), one for actuating the pusher elements 5 and 6 and another for actuating the contrast elements 3, 4.
  • the transmission of the motion of the pusher elements 5 and 6 is actuated by the servomotor 12, which acts by using a toothed pulley 15 on a service belt 28, which gives motion both to the pulley 29a and to the slotted shaft 30.
  • the pulley 29a is keyed to the shaft 31 (which is coaxial to the shaft 24 mentioned earlier in the description of a generic embodiment of the assembly 1), which gives motion to the belt 10.
  • the servomotor 12 by means of the belt 28 in addition to the shaft 31, transmits the torque also to the region of the movable support 16 where motion is picked up by a second toothed pulley and, with the aid of a second toothed belt 32, is transmitted to the toothed pulley 33, which is linked to the shaft 34 and therefore to the belt 7.
  • an additional transmission element which is constituted by a second pulley 29b, which is coaxial to the first toothed pulley 29a and is suitable to perform substantially the same purpose: in particular, the pulley 29b is keyed to the shaft 39 and gives motion to the belt 9 linked to the lower contrast teeth; the pulley 29b is part of the transmission of the contrast teeth and functionally has the same role that the pulley 29a has for the pusher teeth.
  • the pulley 29a is keyed on the shaft 31, which turns the toothed belt
  • format adjustment occurs in an automated manner by setting the parameters in the respective control and management apparatus (for example a computer, a PLC and the like).
  • the two belts 7 and 8 and the corresponding elements 3 and 5 that are integral with them must also be able to move along a vertical elevation, so as to be able to follow the height format adjustment of the product.
  • the support 16 floats with respect to the two fixed columns 35 and 36.
  • the vertical translation of the support 16 with respect to the columns 35 and 36 entails the movement also of all the elements of the assembly 1 that are connected thereto, not least of the two central shafts 24 and 34 and of all the components connected thereto.
  • the translation of the two shafts 24 and 34 therefore entails, as can be deduced from the accompanying figures, the translation also of the entire upper movable portion 37 by using the bilateral coupling constituted by the bearing 38.
  • the shafts 24 and 39 rotate with the same angular velocity. From the point of view of translation, instead, the two shafts 24 and 39 are free to slide with respect to each other, ensuring the possibility to adjust the height of the movable upper portion 37.
  • this type of link is not direct but is provided by means of the intermediation of the differential mechanism 13 cited above.
  • the differential 13 ensures that, for a nil value on the third input of the mechanism (i.e., when the ring gear 20 is stationary with respect to the frame 17), the performed rotation of the upper gearwheel 18 and of the lower coupling body 19 is the same.
  • the third way of the differential 13 is constituted by the ring gear 20.
  • the planet carrier plate 21 undergoes a rotation through a certain angle: as a consequence of the transmission ratios described previously, this leads to a relative rotation between the lower coupling element 19 and the shaft 24.
  • the present invention solves the problems described previously, proposing an assembly 1 for format changing in a casing machine by means of which it is possible to adjust the format in width and height in order to allow the conveyance of products having substantially any shape and size.
  • the assembly 1 according to the invention is fully automatic, and therefore does not require the direct intervention of an operator but can be completely controlled via software.
  • the assembly 1 according to the invention does not require machine downtime in order to perform format adjustments and indeed can be used while the conveyance line 2 that it forms is in motion.
  • the assembly 1 for format changing in a casing machine according to the invention is, within the limits of the need to solve an extremely complex technical problem (such as format adjustment according to two different directions without requiring the intervention of an operator), relatively simple to provide in practice and therefore can be performed by bearing substantially modest costs; these characteristics ensure its valid industrial application.
  • the materials used, as well as the dimensions, may be any according to the requirements and the state of the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

La présente invention concerne un ensemble (1) pour le changement de format dans une machine à remplir les caisses, comprenant une ligne de transport (2), pourvu d'au moins un élément poussoir (5, 6) et d'au moins un élément de contraste (3, 4) entre lesquels le produit à transporter doit être intercalé. Les éléments poussoirs (5, 6) et les éléments de contraste (3, 4) sont disposés dans des paires mutuellement opposées, chacune comprenant des éléments supérieurs (3, 5) et des éléments inférieurs (4, 6) respectifs. Les éléments poussoirs supérieurs (5) et les éléments de contraste (3) sont d'un seul tenant avec au moins un appareil supérieur (7, 8) du type choisi de préférence parmi une courroie, une chaîne et analogue, et les éléments poussoirs inférieurs (6) et les éléments de contraste (4) sont d'un seul tenant avec au moins un appareil inférieur (9, 10), du type choisi de préférence parmi une courroie, une chaîne et analogue. Chaque appareil (7, 8, 9, 10) est commandé par un moteur respectif (12) par le biais d'éléments d'entraînement respectifs. Les éléments d'entraînement d'au moins l'un des appareils (7, 8, 9, 10) comprennent un différentiel à trois voies (13) pour la variation de hauteur de l'au moins un appareil (7, 8, 9, 10).
PCT/EP2016/082726 2015-12-30 2016-12-27 Ensemble de changement de format dans une machine à remplir les caisses Ceased WO2017114841A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102015000088917 2015-12-30
ITUB2015A009797A ITUB20159797A1 (it) 2015-12-30 2015-12-30 Gruppo per il cambio di formato in una astucciatrice

Publications (1)

Publication Number Publication Date
WO2017114841A1 true WO2017114841A1 (fr) 2017-07-06

Family

ID=55699741

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/082726 Ceased WO2017114841A1 (fr) 2015-12-30 2016-12-27 Ensemble de changement de format dans une machine à remplir les caisses

Country Status (2)

Country Link
IT (1) ITUB20159797A1 (fr)
WO (1) WO2017114841A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1981641A (en) * 1933-03-16 1934-11-20 Owens Illinois Glass Co Bottle handling apparatus
DE2714584A1 (de) * 1977-04-01 1978-10-05 Edmund Hirt Maschine zur bewegung von verpackungen entlang einer bewegungsbahn
WO1996007592A2 (fr) * 1994-08-30 1996-03-14 Unilever Plc Appareil de manipulation de boites
US9181043B1 (en) * 2014-06-03 2015-11-10 The Procter & Gamble Company Elevation change system for a rotary device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1981641A (en) * 1933-03-16 1934-11-20 Owens Illinois Glass Co Bottle handling apparatus
DE2714584A1 (de) * 1977-04-01 1978-10-05 Edmund Hirt Maschine zur bewegung von verpackungen entlang einer bewegungsbahn
WO1996007592A2 (fr) * 1994-08-30 1996-03-14 Unilever Plc Appareil de manipulation de boites
US9181043B1 (en) * 2014-06-03 2015-11-10 The Procter & Gamble Company Elevation change system for a rotary device

Also Published As

Publication number Publication date
ITUB20159797A1 (it) 2017-06-30

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