EP1223028A1 - Dispositif pour insérer un bec verseur dans un récipient en mouvement - Google Patents

Dispositif pour insérer un bec verseur dans un récipient en mouvement Download PDF

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Publication number
EP1223028A1
EP1223028A1 EP01830008A EP01830008A EP1223028A1 EP 1223028 A1 EP1223028 A1 EP 1223028A1 EP 01830008 A EP01830008 A EP 01830008A EP 01830008 A EP01830008 A EP 01830008A EP 1223028 A1 EP1223028 A1 EP 1223028A1
Authority
EP
European Patent Office
Prior art keywords
machine
arm
contrast
guide
transport
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Withdrawn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
EP01830008A
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German (de)
English (en)
Inventor
Cesare Pandolfi
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.)
Ricerca e Sviluppi Tecnologici Srl
Original Assignee
Ricerca e Sviluppi Tecnologici 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 Ricerca e Sviluppi Tecnologici Srl filed Critical Ricerca e Sviluppi Tecnologici Srl
Priority to EP01830008A priority Critical patent/EP1223028A1/fr
Publication of EP1223028A1 publication Critical patent/EP1223028A1/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts

Definitions

  • the present invention relates to a machine for inserting dispenser spouts in containers transiting on a manufacturing line.
  • machines for inserting dispenser spouts for instance made of aluminium, in containers, generally made of cardboard, provided for food products or for other types of items, for instance in powder or granule form, are installed along the lines for manufacturing the containers.
  • Such machines comprise a central assembly rotating about a vertical axis relative whereto a plurality of heads for transporting and applying the dispenser spouts is positioned radially at uniform distances.
  • Each of the aforementioned heads draws a dispenser spout from the area where the spout is formed and brings it in proximity to the containers transiting on a rectilinear segment of the manufacturing line.
  • the path that each head must follow to pass from the area where it draws each spout to the area where the spout is inserted is generally imposed by guide means constituted by one or more specific cam profiles whereto rotating elements, such as idle rollers, integral to the same head, are slidingly coupled.
  • Said cam profiles must allow, during the fastening of each spout, the head transporting the spout to move along a rectilinear portion of path, parallel to the corresponding rectilinear segment of the manufacturing line.
  • a contrast arm is also provided, able to be inserted in container subjected to the application of the spout in such a way as to bear against said head which is approached externally to the container in the fastening phase.
  • the head must be provided with organs for thrusting the spout set in motion by appropriate actuation means during the fastening thereof.
  • the contrast arm when the spout is thrust against the wall of the box, provides a reaction which allows its correct application.
  • appropriate control means must be provided, able to actuate the contrast arm in perfect co-ordination with the motion of the head for transporting and applying the spout.
  • each head is associated a corresponding contrast arm which is therefore moved along the same loop path which the head must follow.
  • the contrast arm simultaneously with the motion of the head associated thereto is subject to transverse as well as vertical motions to be inserted in the box whereon a spout is to be applied and subsequently to exit the same box.
  • the technical task set as the basis for the present invention is to devise a machine for inserting dispenser spouts able substantially to overcome the aforementioned drawbacks.
  • an important aim of the invention is to devise a machine formed by a lesser number of components, with reduced overall dimensions and high agility of actuation of the organs destined to fasten each spout and in particular of the contrast arm, in order to obtain extremely high values of productivity, equal for instance to doubling, in the unit of time, the number of applications of spouts relative to the prior art.
  • Another important aim of the invention is to devise a machine that allows easily and rapidly to adjust to the speed of the manufacturing line the displacement speed of each head and of the contrast arm during the fastening of the spouts and also to adjust its operation to the variations in the pitch of the containers in transit on said manufacturing line.
  • a further aim is to devise a machine with high operative flexibility at contained costs in relation to the possibility of changing type and dimensions of the spouts to be applied to the containers.
  • FIG. 1 It comprises a central assembly 2 rotating about a vertical axis of rotation 3. Peripherally to said central rotating assembly are positioned various heads (4) for transporting and applying known dispenser spouts 5 (Figs. 3 and 5), for instance made of aluminium, provided with serration for fastening to the lateral wall of a container in transit on a rectilinear segment (6) of a manufacturing line shown in Figure 1.
  • dispenser spouts 5 for instance made of aluminium
  • transporting and applying heads 4 can be provided, positioned equidistant at 90° from each other relative to the vertical axis of rotation 3.
  • the heads 4 are forced to follow a pre-set loop path imposed by guide means 7 constituted by cam guides such as to allow each head 4 to translate, within the overall loop path, along a rectilinear portion thereof, parallel to said rectilinear segment 6 of the manufacturing line.
  • Each head 4 is driven along the guide means by driving means 8 ( Figure 3) connected to the central rotating assembly 2.
  • a single contrast arm 9 is provided, able sequentially to bear against each of the heads 4 during the fastening phase of a spout 5 to a container.
  • Control means 10 actuate the contrast arm 9 in co-ordination with the motion of the head 4, imposing to the contrast arm 9 reciprocating motions lying exclusively in a vertical plane parallel to the rectilinear segment 6 of the manufacturing line.
  • activation means 11 which act on the head 4 during the phase whereby each spout 5 is fastened to a container.
  • control means 10 comprise a support plate 12 slidingly engaged on rectilinear support guides 13 fastened to the base 14 of the machine and developing along a first direction of motion 15 parallel to said rectilinear segment 6 of the manufacturing line.
  • support plate 12 With the support plate 12 are integral guide organs 16 able slidingly to guide the contrast arm 9 according to a second direction of motion 17 that is substantially vertical, or presents a slight inclination relative to a vertical axis.
  • the guide organs 16 are defined by two pairs of idle rollers shaped as a V and able slidingly to engage opposite lateral edges 9a of the contrast arm 9, advantageously covered by replaceable closure section bars.
  • a kinematic mechanism 18 transmits a first reciprocating motion to the support plate 12 along said first direction of motion 15 and a second alternating motion to the contrast arm 9 along said second direction of motion 17.
  • the kinematic mechanism 18 comprises: a crank assembly 19 rotating about a horizontal axis 19a, a connecting-rod lever 20, engaged at a first end 20a to a hinge pin 21 defining the pin of the crank 19 and pivoted to the support plate 12 in a pivot pin 22 lying between the first end 20a and a second end 20b opposite to said first end 20a, and a driving arm 23 hinged at its own first terminal portion 23a to the second end 20b of the connecting-rod lever 20 and at its second terminal portion 23b to the contrast arm 9.
  • the driving arm 23 has adjustable length to enable varying the height positioning of an end 9b of the contrast arm 9 where a stopping block 24, interchangeable according to the type of dispenser spout 5 to be inserted in a transiting container, is fastened.
  • the crank assembly 19 in turn, comprises a guide 25 able to rotate about the horizontal axis 19a and defining a radial sliding race and a radial arm 26 coupled slidingly to the rotating guide 25.
  • a first idle roller 27 able to rotate about a horizontal axis and slidingly inserted in a first cam guide 28 fastened to the base 14 of the machine and defining, in a vertical plane, a ring race presenting a shape that is at least partially oval in the horizontal direction.
  • the hinge pin 21, defining the crank pin is coupled, in an adjustable locking position, to a radial slot 26a of the radial arm 26.
  • the hinge pin 21 follows a radius trajectory able to vary in accordance with the profile of the cam guide 28.
  • the connecting rod lever 20 which allows to transform the rotatory motion of the crank assembly 19 into the reciprocating rectilinear motion of the plate 12 along a first direction of motion 15, translates horizontally and, not rotating about the pivot pin 22, maintains motionless the contrast arm 9 in the second direction of motion 17.
  • the stop block 24 of the contrast arm 9 is thereby subjected only to the horizontal translation motion parallel to the manufacturing line for a short segment of a few millimetres corresponding to the fastening of a spout.
  • the ability to vary the radius of the crank pin 21 allows to adjust the oscillation velocity and the stroke of the plate 12 thus also adjusting the velocity and the stroke of the translatory motions of the contrast arm 9 to the velocity and to the pitch of the manufacturing line.
  • an auxiliary plate 29 able to slide relative to the same support plate 12 in said first direction of motion 15.
  • the auxiliary plate 29 is able to be fixed to the support plate 12 in a predetermined variable position and engages the pivot pin 22. In this way it is possible to adjust in horizontal direction the position of said pivot pin on the support plate 12 and hence also to calibrate the starting and ending position of the stroke in the horizontal direction of the contrast arm 9.
  • the rotatory motion about the horizontal axis 19a of the crank assembly 19 is provided by kinematic transmission means, not shown in the accompanying drawings, interposed between the crank assembly and the vertical axis of rotation 3 of the central assembly 2.
  • the head 4 for transporting and applying a spout 5 comprises a support assembly 30 with which are integral, superiorly and inferiorly, first sliding engagement elements 31 in the guide means 7.
  • a movable arm 32 is slidingly engaged in the support body 30 along a direction of translation horizontal and transverse to said direction of advance of the support body 30. More specifically, a pair of superior idle rollers 31 and a pair of inferior idle rollers 31 are provided. The elements of each pair are aligned orthogonally to the movable arm 32.
  • the guide means 7 comprise a second double cam guide 35 fastened to the base 14 of the machine and divided into two guides specularly identical and positioned one superiorly and the other one inferiorly relative to the support body 30. To the double cam guide 35 are slidingly coupled the superior and inferior idle rollers 31: the support body 30 is thus forced to follow a pre-determined loop path defined by said second cam guide 35.
  • the guide means 7 also comprise a third cam guide 36, fastened to the base 14, whereto said third idle roller 34 is slidingly coupled.
  • the third cam guide 36 develops in a loop internally to the second cam guide 35 and is able to define the transverse displacements of the movable arm 32 relative to the path of the support body 30.
  • the third cam guide 36 comprises a linear segment 36a prominent relative to the rest of its development and parallel to a corresponding linear portion 35a of the second cam guide 35.
  • the linear segment 36a defines the rectilinear portion of the path of the head 4, and in particular of the collection and insertion assembly 33, parallel to the manufacturing line 6.
  • two contrast rollers 37 able to rotate freely about horizontal axes are engaged superiorly and inferiorly to the support body 30.
  • the contrast rollers 37 co-operate with respective alignment guides 38 positioned at least in correspondence with the linear portion 35a of the second cam guide 35 to maintain stable and perfectly aligned the collection and insertion assembly 33 during the fastening of each spout.
  • the means 8 for driving each head 4 comprise a rotating arm 39 (Figs. 2 and 5) integral with the central rotating assembly 2 and formed by a base portion 39a fastened thereto and by a sliding portion 39b able to be locked to the base portion 39a in a variable position.
  • the rotating arm 39 has an adjustable length able to vary the radial distance from the vertical axis of rotation 3 in its extreme position 39c.
  • the driving means 8 comprise a pair of link rods 40 each terminally engaged to said extreme portion 39c of the rotating arm 39 and to the support body 30.
  • the capability of adjusting the length of the rotating arm 39 allows to vary the driving velocity of the head 4 and to suit it to the velocity of the manufacturing line when the head 4 travels the linear portion 35a of its path along the second cam guide 35.
  • the assembly 33 for collecting and inserting the head 4 comprises a shell-like external body ( Figure 6) fastened to the first end 32a of the movable arm 32.
  • an angle lever 42 of the first kind presenting a first segment 42a, corresponding to the resistance arm, inserted in the shell body 41 and a second segment 42b, corresponding to the power arm, emerging from the shell body 41 and provided with a terminal roller 43.
  • the first segment 42a is integral an element 44 supporting a dispenser spout 5 and constituted by a suitably shaped flat spring.
  • the first segment 42a of the angle lever 42 is maintained on the bottom of the shell body 41 by an elastic element 45.
  • the means for activating the head 4 during the fastening of a spout 5 comprise an oscillating beating element 46 able to interfere with said terminal roller 43 of the angle lever 42 and a kinematic assembly 47 able to provide the beating element 46 with an reciprocating rotatory motion.
  • This kinematic assembly 47 comprises, in turn, a crank element 48 able to rotate about a horizontal axis fastened to the base of the machine and kinematically connected to the vertical axis 3 of the rotating central assembly 2.
  • To the crank element 48 is terminally hinged a connecting rod element 49, in turn hinged, at an opposite end, to a toothed sector 50 pivotingly engaged to the base of the machine.
  • the connecting rod element 49 confers a reciprocating oscillatory motion to the toothed sector 50 and to a gear wheel 51 meshing therewith and presenting an eccentric prominence defining the beating element 46.
  • the rotating central assembly 2 drives along the second cam guide 35 the support body 30 and all the heads 4 of the machine.
  • the third cam guide 36 imposes a transverse excursion relative to the second guide 35 and hence relative to the support body 30 of the body 33 for collecting and inserting each head 4 which can thereby be inserted in the empty space between two containers in transit on the manufacturing line.
  • the contrast arm 9 In the short path along the linear segment 36a of the assembly 33 the contrast arm 9 lowers penetrating inside the container whereto, from the exterior, the assembly 33 has moved closer.
  • the beating element 46 presses with a rapid strike against the roller 43 which determines the rotation of the angle lever 42 and the fastening to the container of the dispenser spout transported inside the shell body 41 by reaction against the stop block 24 of the contrast arm 9.
  • the sole contrast arm co-operates in the fastening thereof repeating the easy movement described above.
  • the invention achieves important advantages.
  • the machine according to the invention being provided with a lesser number of mechanical organs and in particular with a single contrast arm able to co-operate with all the heads for transporting and applying the dispenser spouts, presents a lesser overall size and hence an easier adaptability to the insertion on manufacturing lines of containers of various kinds.
  • the machine has a high operative flexibility due both to the possibility of inserting the assembly for collecting the spouts in small gaps interposed between two transiting containers, and to the easy and rapid adaptability to the velocity of the packaging lines and to the variation of the pitch between the containers.
  • the machine is also easily adaptable also to variations of the type and format of the dispenser spouts through the rapid replacement of a few components (stop block 24 and collection assembly 33) and hence with considerably reduced costs.

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EP01830008A 2001-01-11 2001-01-11 Dispositif pour insérer un bec verseur dans un récipient en mouvement Withdrawn EP1223028A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01830008A EP1223028A1 (fr) 2001-01-11 2001-01-11 Dispositif pour insérer un bec verseur dans un récipient en mouvement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01830008A EP1223028A1 (fr) 2001-01-11 2001-01-11 Dispositif pour insérer un bec verseur dans un récipient en mouvement

Publications (1)

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EP1223028A1 true EP1223028A1 (fr) 2002-07-17

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EP01830008A Withdrawn EP1223028A1 (fr) 2001-01-11 2001-01-11 Dispositif pour insérer un bec verseur dans un récipient en mouvement

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014023504A3 (fr) * 2012-08-07 2014-04-10 Sig Technology Ag Procédé et dispositif d'amenée d'éléments de versement agencés et orientés à une certaine distance les uns des autres et comprenant un rebord
CN109849032A (zh) * 2019-03-14 2019-06-07 三峡大学 一种行程可调机械手机构及使用方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2861529A (en) * 1956-11-27 1958-11-25 Seal Spout Corp Container spout-inserting machine
DE1157068B (de) * 1959-12-14 1963-11-07 Seal Spout Corp Maschine zum Anbringen von Giesstuellen an Behaeltern aus Karton, Pappe, Kunststoff,Blech od. dgl.
US3673663A (en) * 1970-12-11 1972-07-04 Seal Spout Europ Spa Machine for applying pouring spouts to containers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2861529A (en) * 1956-11-27 1958-11-25 Seal Spout Corp Container spout-inserting machine
DE1157068B (de) * 1959-12-14 1963-11-07 Seal Spout Corp Maschine zum Anbringen von Giesstuellen an Behaeltern aus Karton, Pappe, Kunststoff,Blech od. dgl.
US3673663A (en) * 1970-12-11 1972-07-04 Seal Spout Europ Spa Machine for applying pouring spouts to containers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014023504A3 (fr) * 2012-08-07 2014-04-10 Sig Technology Ag Procédé et dispositif d'amenée d'éléments de versement agencés et orientés à une certaine distance les uns des autres et comprenant un rebord
CN104520199A (zh) * 2012-08-07 2015-04-15 Sig技术股份公司 用于供应彼此间隔距离而设置和排列且包括凸缘的倾倒元件的方法和装置
US9481527B2 (en) 2012-08-07 2016-11-01 Sig Technology Ag Method and device for supplying pouring elements arranged and aligned at a distance from each other and comprising a flange
CN104520199B (zh) * 2012-08-07 2017-07-28 Sig技术股份公司 供应间隔设置和排列且包括凸缘的倾倒元件的方法和装置
CN109849032A (zh) * 2019-03-14 2019-06-07 三峡大学 一种行程可调机械手机构及使用方法

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