EP0172127A1 - Poste de cerclage automatique à haute cadence - Google Patents

Poste de cerclage automatique à haute cadence Download PDF

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Publication number
EP0172127A1
EP0172127A1 EP85440051A EP85440051A EP0172127A1 EP 0172127 A1 EP0172127 A1 EP 0172127A1 EP 85440051 A EP85440051 A EP 85440051A EP 85440051 A EP85440051 A EP 85440051A EP 0172127 A1 EP0172127 A1 EP 0172127A1
Authority
EP
European Patent Office
Prior art keywords
packaging
strapping
hatch
plate
station according
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Withdrawn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
EP85440051A
Other languages
German (de)
English (en)
French (fr)
Inventor
Pascal Magoni
Pascal De Guglielmo
Bernard Jean Pierre
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.)
Brasseries Kronenbourg SA
Original Assignee
Brasseries Kronenbourg SA
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 Brasseries Kronenbourg SA filed Critical Brasseries Kronenbourg SA
Publication of EP0172127A1 publication Critical patent/EP0172127A1/fr
Withdrawn legal-status Critical Current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
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes

Definitions

  • the invention relates to a station for automatic horizontal strapping at high speed of any packaging and more generally to an automatic strapping station to be integrated in the final position in an automatic packaging line in particular, but not exclusively, of groups. various consumer containers.
  • Packaging with a peripheral link requires, after the actual packing operation by placing in crates, boxes or other closed or partially opened packaging, heat-shrinkable cover, wraparound supports and others, a complementary operation called strapping which consists of placing the link loop around the body of the package, pull on the link to restrict the loop, stretch the link and weld it, while maintaining the tensile force at the desired value.
  • This link represents an important advantage from all points of view, cohesion, solidity. On the other hand, it brings, in addition to the technical complexity of automatic packaging in large series, a later phase which is not yet fully automated, leading to a decrease in speed and certain technical delays due to operational incidents.
  • An industrial strapping installation in large series includes, in addition to the supply and recovery conveyors, a combination of mechanical organs arranged and arranged to perform the installation of the link without external intervention.
  • This strapping machine whose operation is coordinated with that i of the line, is adapted to the shape of the packaging: parallelepiped, cylindrical, semi-cylindrical, with or without notches.
  • the strapping machines currently used have an arch around which the strapping is carried out.
  • the product arrives under the arch perpendicular to its opening plane. It stops under the arch, in the strapping position and receives the link. This is sent inside the arch in a hollow frame open on the inside perimeter.
  • the free end after having circumscribed the body of the packaging, enters the strapping head.
  • the loop thus formed is reduced by pulling on the free end of the link. It detaches from the arch and surrounds the packaging in a loose loop.
  • the traction on the link continues until the desired tension force, then the blocking operations, welding, cutting of scraps and evacuation of the packaging follow one another until resumption for paletization.
  • the link is inscribed around the packaging by the movement of its body in advance along two jaws-reels arranged on either side of the conveyor conveyor belt. After a movement slightly greater than the length of the packaging, it is blocked by a removable stopper disposed at the outlet of the strapping members. The jaws close along the rear face of the package and intersect for the traction of the link and its immobilization by welding.
  • the strapping speed of this type of device is quickly limited due to the numerous movements necessary around the packaging and its duration of immobilization in abutment during tightening.
  • One of the objectives of the invention consists precisely in significantly increasing the rate of the materials used hitherto in the automatic strapping lines.
  • Another objective pursued by the invention is the constant search for space and floor space savings.
  • An additional objective of the invention relates to total automation requiring no monitoring.
  • a final objective concerns the ease and speed of intervention in the event of a breakdown or malfunction.
  • the special characteristics of the mechanical strapping holding connections on the support frame of the strapping station guarantee a minimum operating stop of the strapping line in the event of a breakdown.
  • the general aim of the invention is to provide manufacturers with the possibility of increased productivity by offering companies a high-speed strapping line.
  • the invention provides an interesting solution by its possibilities of high speed and full automation, and this even for special strapping, for example precision strapping or those where the link must enter deformable notches.
  • the invention relates to an automatic horizontal strapping station at high speed for all types of packaging, characterized in that it consists of a supply unit formed by a tying device, individualization and introduction of packaging, a mounting and holding assembly vertically passing through a horizontal strapping machine and operating by stacking; the station also includes a device for evacuating the encircled packaging being in the upper position of the stack.
  • An automatic strapping station according to the invention will be described below which allows strapping at high speed of all types of packaging, even those having deformable notches on the edges.
  • the station according to the invention also applies to cylindrical packaging, crates and composite trays, with the obvious adaptations required by the different conformations.
  • the automatic strapping station 1 is inserted in a strapping line 2 .incorporated in the final position before placing on pallets in a packaging unit.
  • packaging 3 The packaged products, hereinafter called packaging 3, arrive in a continuous line 4 on a conveyor 5 for example on rollers with recovery conveyors to the strapping station in which they are admitted one by one for the rapid strapping that allows 'invention.
  • the continuous line 4 of the packages is sectioned at the entrance 6 of the station by a door 7 with a tying device 8 conventionally constituted by a transverse retaining element 9 vertically retractable, terminated by a roller 10 which facilitates its vertical movements of descent in release and ascent in blocking, along the front edges of the incoming packages, during the individualization movements of the queue 4 by fractionation.
  • a tying device 8 conventionally constituted by a transverse retaining element 9 vertically retractable, terminated by a roller 10 which facilitates its vertical movements of descent in release and ascent in blocking, along the front edges of the incoming packages, during the individualization movements of the queue 4 by fractionation.
  • the intake chain 11 at the entrance to the strapping station continues towards the strapping area by a supply assembly 12 consisting of a double transfer conveyor belt 13 arranged after the door 7 and a recovery table 14 and an alternative thrust and loading device 15.
  • the latter is formed by a retractable arm 16 terminated by a thrust plate 17.
  • This arm is actuated in reciprocating movements back and forth by a connecting rod mechanism -crank 18 along a slide 19.
  • the arm is mounted in elastic return upwards and its upper edge 20 has a profile adapted to allow its pivoting in the retracted position when returning by the only rear translational movement for its passage under the next packaging to push.
  • the recovery table 14 has a narrow longitudinal central recess along which the arm 16 moves.
  • An optical detector 21 disposed at the end of the table 14 provides a central coordinating member with the necessary information on the presence and passage of the packaging in final presentation and during loading.
  • the transfer belt 13 brings the packaging 3 onto the recovery table 14 on which it slides by its momentum to a central position from where it is taken up by the thrust arm 16 until loading onto the tray 22 of the mounting and holding assembly 23 constituting the central part of the strapping station according to the invention.
  • the stroke of the arm 16 is adjusted so that its advance movement allows the translation of the packaging 3 of the table 14 on the plate 22 until complete loading in the central position.
  • the kinematic chain is continued upwards by a holding hatch 24 at the arch 25 of the strapping machine 26 and by the evacuation device 27 on the outlet ramp 28.
  • the evacuated packages pass through an outlet door 29 comprising an optical detector 30 controlling the stopping of the station during congestion on the evacuation conveyor 31 or downstream.
  • a single central motor provides the kinematic energy necessary for the various drive and blocking movements for the operation of the station according to the invention.
  • the mounting and holding assembly 23 more precisely consists of the elements and means following arranged and associated so as to allow presentation, immobilization in strapping position and evacuation of packaging as quickly as possible, without any downtime resulting from a movement or an intermediate presentation.
  • the plate 22 is slidably mounted along columns. It has a thick base 32 connected to two parallel driving rods 33 and 34 by means of a damping assembly 35 with bellows. These rods form a slide along vertical guides 36 and 37. Their lower ends are joined by a connecting plate 38 articulated by a link 39 to a bent pivoting arm 40 whose return bears on a cam 41 (FIG. 9) mounted on the main shaft 42 kinematically connected to the single motor which, by means of the cam, drives it with a pendulum movement.
  • a connecting plate 38 articulated by a link 39 to a bent pivoting arm 40 whose return bears on a cam 41 (FIG. 9) mounted on the main shaft 42 kinematically connected to the single motor which, by means of the cam, drives it with a pendulum movement.
  • a transverse spacer bar 43 is mounted integral with the base 32 of the plate, parallel to its support plane.
  • This bar of length greater than that of the plate has, at each of its ends, lugs or rollers 44 and 45 cooperating with spacing cams, as will be seen below, for the opening of the hatch holding 24.
  • the latter consists of two movable parts 46 and 47 playing the role of jaws mounted sliding in approach and spacing along two guide rods 48 and 49.
  • the movable parts carry at their ends support elements 50 and 51 shaped as inverted angles, the horizontal side of the angle forms with its counterpart two retaining edges at the entrance to the arch intended to support the packaging by its bottom, without lateral restraint constraint.
  • the two transverse yokes 52 and 53 are mounted and immobilized on the guide rods 48 and 49 and play the role of adjustable stops for the moving parts 46 and 47 by means of transverse elastic buffers 54 and 55 with which it is equipped.
  • the adjustable stops 52 and 53 are placed in position, perfectly symmetrically, by a format spacer 56 carried by a central yoke 57 defining the median plane of the raising and holding assembly 23.
  • a format spacer 56 carried by a central yoke 57 defining the median plane of the raising and holding assembly 23.
  • the moving parts 46 and 47 are urged to open from the upward movements of the plate by two identical spacing cams 58 and 59, pivotally mounted in the lower part of the moving parts. These cams are actuated by the end rollers 44 and 45 of the spreader bar 43.
  • the moving parts 46 and 47 are requested to close by pneumatic thrust cylinders 60 and 61 controlled by a programmed automaton in conjunction with detectors and the information from the synchronization cams mounted on a camshaft.
  • the closing limitation is provided by the transverse stops 52 and 53.
  • the cams 58 and 59 shown in more detail in FIG. 12 are mounted in elastic return towards the plate, each limited in opposite movement by an adjustable stop 62 and 63.
  • Their profile is almost symmetrical and has a generally diamond-shaped outline, constituting the corresponding roller track which describes the entire perimeter during an operating cycle.
  • Each cam has a quasi wall from bottom to top vertical 64 of engagement, a spacer ramp 65 and a retaining wall 66.
  • the return profile has only an inclined ramp 67 and a vertical drop 68.
  • a cover 69 protects the raceways from deposits of dust and impurities.
  • Each end of each cam is provided with a metal wing such as 70 or 71 which each passes during tilting, in front of an inductive detector such as 72 or 73 delivering validation signals authorizing the continuation of the operation.
  • the rollers 44 and 45 with which the ends of the spreader bar 43 are fitted roll on the almost vertical wall of engagement 64 causing the low tilting up to the stop.
  • the roller then works in thrust by its rise on the spacing ramp 65.
  • the complete spacing is obtained at the end of this ramp, it then suffices to maintain it.
  • This is the role of the retaining wall 66.
  • the hatch opens and remains open for the passage of the packaging. As soon as the hatch plane is crossed by the bottom of the packaging, the latter closes suddenly by the action of the pneumatic thrust cylinders 60 and 61.
  • rollers protruding slightly from the tip of the cam roll on the opposite path of the cam during the descent, due to the approximation of the jaws.
  • the cam simply rotates without changing the position of the jaws.
  • the cams 58 and 59 are also each connected to an auxiliary safety cylinder 74 or 75 controlled by the passage detector 21 on the recovery table 14 through the programmed automaton.
  • cams make it possible to subject the movements of the plate to the movements of the jaws of the hatch in order to guarantee good coordination of operation of the fundamental actions of the strapping station according to the invention.
  • the rise of the plate causes the jaws to open and the start of its descent commands the closure, to ensure that the hooping position is maintained, as soon as it is leveled by the plate at the height determined by the position of the hooping plane. .
  • the packaging 3 is held by the hatch in the plane of the arch 25 which is an integral part of the projection strapping machine 26 of known type, designed to work in a vertical plane; I have made the necessary modifications to this strapping machine to adapt the fitting of the link in a horizontal plane.
  • the store constituting the link reserve is arranged horizontally and the filling detection and supply regulation device can no longer operate by gravity. A new device providing the same effects and results equips the store.
  • various accessories can be added to the arch 25.
  • a set of grids or converging plates 76 and 77 intended essentially to conduct the link safely and at high speed to near the faces of the packaging to ensure a precise presentation and position, determined by the shape and height of the notches cut out from the edges of the packaging.
  • the shape and length of these plates or grids depend on the format of the packaging to be strapped.
  • the packages are evacuated by vertical progression and release by lateral thrust using the evacuation device 27 on the outlet ramp 28 which directs them to the evacuation conveyor 31 after passage through the exit door 29 and its optical detector 30.
  • the upper part of the rise and hold assembly 23 includes the evacuation device 27 by pushing.
  • One of the possible embodiments thereof comprises a retractable push arm 78 with a front contact plane 79.
  • the arm is mounted articulated around a point 80. Its composite movements of reciprocating lowering and raising result of the composition of the back and forth translation of the support piece 81 of the clearance of a cam mounted to pivot in the vicinity of the end of the thrust arm.
  • This arm is to disengage the encircled packaging from the stack, by causing it to slide on the upper face of the following packaging and to engage it on the slightly inclined outlet ramp 28.
  • a detector 83 for example an optical detector, provides information on the successive presences and absences of the various encircled packages constituting momentarily before evacuation the head of the stack.
  • the main shaft 42 carries the cam 41, a disc 84, its kinematic connection with the engine and the various mechanical drive references necessary.
  • the disc 84 has at one point on its surface an adjustable articulated connection 85 with a push rod 86 actuating the slide 19 of the reciprocating mechanism 18 driving the push arm 16 of the supply assembly 12 in alternating movements of comes and goes.
  • the camshaft carries cams with metal sectors each moving in front of an induction detector.
  • the strapping station according to the invention further comprises a mechanism for rapid extraction of the strapping machine for its replacement in the event of failure.
  • This mechanism consists of a real chassis movable transversely, relative to the frame until maximum deposit. Hooks allow its handling.
  • the electrical connection includes a quick plug. All facilities are combined to ensure rapid replacement of the strapping machine.
  • the first phase includes the horizontal path of the packaging.
  • the packages 3 arrive via the conveyor belts and rollers upstream, in a continuous line 4 up to the entry door 7.
  • the tying device 8 cuts this line by individualizing each package.
  • the transverse roller 10 is lowered to release the packaging at the end of the line which, under the conveyor belt and conveyor rollers advances to the transfer belt 13 which transports it to the middle of the recovery table 14 constituting the thrust ramp of the supply assembly 12.
  • the retractable retaining element 9 of the tying-up device rises as soon as it passes the end of the released packaging to block the following packaging.
  • the packaging driven by the transfer belt 13 arrives on the recovery table 14 on which it slides to the central position.
  • the pushing arm 16 after retraction and passage under the packaging, arrives in the operating position and causes the packaging to slide along the table 14 until complete loading on the plate 22 which is then in the low position in perfect alignment with the recovery table 14.
  • the tray then remains stationary.
  • the latter is actuated in elevation and the succession of movements occurs in accordance with the work cycle of the strapping station according to the program introduced. in the machine.
  • the rise of the plate causes the jaws of the holding hatch 24 to move apart when the rollers of the spreader bar 43 come into contact with the spreader ramps 65 of the cams 58 and 59.
  • the offset between the upper face of the packages and the level of the rollers or the point of initiation of the spacing on the cams is such that the opening of the jaws of the flap 24 does not occur until the upper face of the the incoming packaging touches or will touch the bottom of the encircled packaging.
  • the previous packaging, already circled, sags slightly.
  • the packaging to be strapped continues its ascent through the open hatch, to the strapping position inside the arch 25 by pushing the preceding packaging upwards by its bottom which rests entirely on it.
  • the packaging to be strapped is in the strapping position and the wrapped packaging in the evacuation position in the upper position on the stack and the hatch closes under the bottom of the packaging to be strapped.
  • the new packaging is loaded or rather placed on the hatch by removing the tray.
  • the packaging 'upper is evacuated at the same time by pushing towards and on the outlet ramp 28 using the evacuation device.
  • the security detector 83 reports the passage of the encircled packaging in evacuation.
  • the new packaging comes into contact with the bottom of the newly encircled packaging and lifts it up through the hatch and section of the arch, from its strapping position to its evacuation position.
  • the jaws open upon contact with the two packages and come to a stop under the new packaging.
  • the evacuation phase for the newly encircled packaging then takes place. This one is evacuated in the same way out of the station.
  • the strapping operation takes place during the transfer by bringing in new packaging and at the exit from the packaging previously encircled in continuous succession, without any dead time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
EP85440051A 1984-07-27 1985-07-25 Poste de cerclage automatique à haute cadence Withdrawn EP0172127A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8412114 1984-07-27
FR8412114A FR2568220B1 (fr) 1984-07-27 1984-07-27 Poste de cerclage automatique a haute cadence

Publications (1)

Publication Number Publication Date
EP0172127A1 true EP0172127A1 (fr) 1986-02-19

Family

ID=9306654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85440051A Withdrawn EP0172127A1 (fr) 1984-07-27 1985-07-25 Poste de cerclage automatique à haute cadence

Country Status (6)

Country Link
US (1) US4622893A (es)
EP (1) EP0172127A1 (es)
JP (1) JPS6147315A (es)
ES (1) ES8608430A1 (es)
FR (1) FR2568220B1 (es)
PT (1) PT80863B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255491A (en) * 1992-01-31 1993-10-26 Tetra Alfa Holdings S.A. Method and apparatus for applying bands to crates
US6502373B1 (en) * 1999-09-29 2003-01-07 Illinois Tool Works Inc. Insulation strapping machine
US7270054B2 (en) * 2006-01-18 2007-09-18 Illinois Tool Works, Inc. Integrated package pacer for strapping machine
CN103625673B (zh) * 2013-11-28 2015-09-23 芜湖科达新铭丰机电有限公司 加气混凝土砌块成品包装生产线的生产方法
WO2018222887A1 (en) * 2017-06-01 2018-12-06 Usnr, Llc. Lapper assembly

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1485252A (fr) * 1966-06-30 1967-06-16 Amberger Flaschenhuetten A G Appareillage pour botteler et lier des bouteilles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE654021C (de) * 1935-05-15 1937-12-14 Fr Hesser Maschinenfabrik Akt Maschine zum Umschnueren von Buendeln aus Briketten o. dgl.
US3568591A (en) * 1969-01-10 1971-03-09 Ambassador College Automatic tying apparatus
JPS56131115A (en) * 1980-03-18 1981-10-14 Yamada Kikai Kogyo Kk Bundling device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1485252A (fr) * 1966-06-30 1967-06-16 Amberger Flaschenhuetten A G Appareillage pour botteler et lier des bouteilles

Also Published As

Publication number Publication date
PT80863A (fr) 1985-08-01
FR2568220B1 (fr) 1987-01-02
US4622893A (en) 1986-11-18
FR2568220A1 (fr) 1986-01-31
PT80863B (fr) 1986-11-24
ES545603A0 (es) 1986-06-16
JPS6147315A (ja) 1986-03-07
ES8608430A1 (es) 1986-06-16

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Inventor name: JEAN PIERRE, BERNARD

Inventor name: DE GUGLIELMO, PASCAL

Inventor name: MAGONI, PASCAL