WO2002057138A1 - Dispositif de presentation d'opercules a des postes de scellage mobiles - Google Patents
Dispositif de presentation d'opercules a des postes de scellage mobiles Download PDFInfo
- Publication number
- WO2002057138A1 WO2002057138A1 PCT/FR2002/000099 FR0200099W WO02057138A1 WO 2002057138 A1 WO2002057138 A1 WO 2002057138A1 FR 0200099 W FR0200099 W FR 0200099W WO 02057138 A1 WO02057138 A1 WO 02057138A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lids
- strip
- cutting
- selector
- blade holder
- Prior art date
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
- B65B7/00—Closing containers or receptacles after filling
- B65B7/01—Machines characterised by incorporation of means for making the closures before applying
Definitions
- the invention relates to a device for presenting lids to mobile sealing stations, in a heat-sealing machine.
- a heat-sealing carousel generally comprises a rotary plate, at the periphery of which are arranged several heat-sealing stations for containers each ensuring the heat-sealing of a cover on a container between the introduction of the latter on the rotary plate and the ejection from the turntable.
- One difficulty with heat-sealing devices lies in the production and positioning of the lids immediately adjacent to the opening of the containers without interfering with the containers or with the heat-sealing heads.
- Document F -A-2688192 discloses a heat-sealing carousel comprising a series of mobile heat-sealing stations, each station being equipped with a cover presentation device comprising a cover production module comprising a cut-out member. covers fitted with a cover cutting tool from a strip, and a gripper arranged opposite the cover production module to pull the strip before actuating the cutting tool.
- a device for the presentation of lids is proposed to mobile sealing stations. them, this device comprising at least one module for producing lids fixedly mounted facing a trajectory of the sealing stations, and comprising a member for cutting lids equipped with a tool for cutting lids from a strip, as well as gripping members integral with the sealing stations, these gripping members being arranged relative to the module for producing lids for gripping a lids on the fly.
- the lid production module can be unique for all of the sealing stations, so that the general structure of the sealing machine is considerably simplified while ensuring that the lids are kept in precise position by means of the orga- gripping babies associated with each position.
- the module for producing lids comprises a member for advancing the lids disposed downstream of the cutting tool.
- the distance between the cutting tool and the mobile stations can be increased sufficiently to have all the space necessary for good accessibility to the module for producing lids, without the risk of interference with the sealing heads.
- the cover cutting member comprises a support for two reels of tape, and a selector adapted to advance one of the strips towards the cutting tool to cut the strip downstream of the selector.
- a selector adapted to advance one of the strips towards the cutting tool to cut the strip downstream of the selector.
- the selector comprises three rollers having parallel axes, mounted to allow a relative displacement of one with respect to the other two, between two extreme positions in each which two rollers cooperate to pinch one of the bands, at least one of the rollers between which one of the bands is pinched being a driving roller.
- the selection of the advancing strip is obtained by a simple tilting of the movable roller from one extreme position to the other.
- the selector comprises two brakes arranged to block that of the bands which is not pinched.
- a positive braking of the non-advancing strip or strips is obtained, eliminating the risk that the two strips interfere with each other.
- the cutting tool is generally of the cutter or scissor type, which supposes a stop of the strip for its cutting.
- the cutting tool comprises a rotary blade holder equipped with at least one blade having a cutting edge, and a rotary support cylinder, mounted opposite one another according to parallel axes, the cutting edge being mounted to pass according to a tangent contact opposite the support cylinder.
- the strip By passing the strip between the blade holder and the support cylinder, the strip is thus cut by a continuous rotary movement.
- the drive and the cutting of the tape can be easily synchronized with the movement of the sealing stations.
- the blade is curved symmetrically with respect to a median plane perpendicular to the axis of rotation of the blade holder.
- the blade is curved according to a radius of curvature slightly greater than the half-width of the strip, and the blade holder has dimensions suitable for making cuts spaced apart from each other by a distance substantially equal to the width of the strip.
- FIG. 1 is a schematic top view of a heat-sealing carousel equipped with a device for presenting lids according to the invention
- FIG. 2 is a schematic sectional view along the line II-II of Figure 1;
- FIG. 3 is an enlarged partial view of Figure 2 at the band selector;
- Figure 4 is a perspective view of the cutting tool according to the invention;
- - Figure 5 is a sectional view along the plane
- FIG. 6 is an enlarged top view of a strip cut according to the invention, a cover being gripped by a clamp;
- FIG. 7 is a top view of a seal according to the invention, sealed on a container.
- a heat-sealing carousel comprises in a manner known per se a rotary platform 1 intended to support containers 2 introduced on the platform 1 by a device upstream transfer 3 and discharged by a downstream transfer device 4.
- the containers 2 are conveyed by the upstream transfer device 3 to one of the objective sealing stations 5 of the carousel.
- Each sealing station comprises a heat sealing head 6 (see FIG. 2) arranged directly above a location for a container.
- the heat-sealing heads 6 have not been illustrated in FIG. 1.
- the device for presenting the lids comprises a module for producing the lids generally designated at 7 arranged in a fixed manner on the side of the platform 1 between the downstream transfer device 4 and the upstream transfer device 3, with reference to the direction of rotation of the platform 1.
- the cover production module comprises a cover cutting member generally designated at 8 with which is a advancing member 17.
- the cover cutting member 8 comprises a support 29 arranged to receive two coils 20a and 20b each carrying a heat-sealable strip, respectively 21a and 21b.
- the strips 21a and 21b pass respectively between two pairs of guide rollers 22a and 22b and are engaged in a selector 23, presented in the neutral position in FIG. 2.
- the selector 23 comprises a lever 30 mounted mobile in rotation about an axis 31 substantially horizontal and perpendicular to the direction of advancement of the bands 21.
- the lever 30 carries at one end two rollers 32a, 32b parallel to the pivot axis 31 of the lever 30.
- a control member 13 such as an electromagnet
- the lever 30 is movable between two extreme positions, in which one of the rollers 32 cooperates with one of two fixed rollers 33a, 33b, to pinch the corresponding strip 21.
- the fixed rollers 33 are rotated by a drive member (not shown) and are fitted with pinions cooperating respectively with pinions carried by the rollers 32 to drive the latter in synchronism with the rollers 33 even when a roller 32 is moved away from the corresponding roller 33.
- the rollers 32 and 33 are thus driven constantly and allow immediate driving of the corresponding strip from the moment it is pinched.
- the idler roller 32b is shown cooperating with the fixed roller 33b.
- the strip 21b is pinched between the roller 32b and the drive roller 33b, the rotation of which forces the strip 21b to advance in a fixed guide channel 34b delimited by a fixed central support block 10 and a fixed side wall 11b.
- the strip 21a is immobilized in the channel 34a by a brake 41a comprising a cylinder 36a secured to the lever 30 in which a sliding finger 37a is mounted.
- the sliding finger 37a is pushed by a spring 39a so that its end 38a adjacent to the strip 21a bears on the latter to pinch it against a fixed stop 12a.
- the strip 21a is not driven, because the drive roller is spaced from the roller 33a and therefore does not pinch the strip 21a.
- the brake 41b is moved away from the corresponding band 21b.
- a nut 40b fixed to the end of the finger 37b opposite the support end 38b bears on the corresponding end of the cylinder 36b and thus limits the stroke of the finger 37b.
- the strip 21b is therefore free to slide in the channel 34b.
- the operation of the selector 23 is symmetrical. To drive the strip 21a, it suffices to operate the control member 13 to tilt the lever 30 so that the roller 32a cooperates with the roller 33a, the strip 21b then being blocked by the brake 41b. There is an intermediate neutral position shown in Figure 2 in which the two bands 21a and 21b are blocked. To change a reel, simply operate the selector 23 so as to block the strip of the reel concerned. We can then remove the reel and change it, without interrupting the dispensing of lids, since the strip of the other reel is driven. The bearing force of the springs 39a and 39b applying the fingers 37a and 37b on their stops 12a and 12b naturally recalls the lever 30 in its neutral position. In the event of a power failure or a failure of the control member 13, the advance of the strip is thus automatically stopped.
- the advancement of the strip is synchronized with the rotation of the carousel 1 by acting on the speed of rotation of the driving rollers 33a and 33b, which is chosen proportional to that of the carousel 1.
- the selected strip then reaches a cutting tool generally designated by 24.
- the cutting tool 24 comprises a blade holder 50 of substantially cylindrical shape, comprising three notches 52 made at 120 degrees from one another. Blades 53 are held in the bottom of the notches 52 by corners 54 matching the shape of the notches and tightened by screws 55 passing through the corners 54 and the corresponding blades 53.
- the cutting edge 56 of the blade 53 extends projecting from the blade holder 50 to pass in a tangent contact opposite a support cylinder 51 rotatably mounted along an axis parallel to that of the blade holder 50.
- the blades 53 have a symmetrical shape with respect to a median plane perpendicular to the axis of rotation of the blade holder 50.
- the strip 21 is presented perpendicular to the axes of rotation between the blade holder 50 and the support cylinder 51, and is cut progressively by the support of the edge 56 on the support cylinder 51 according to a curved cut reflecting the trace of the points of tangency of the edge 56 on the support cylinder 51.
- the sharpening of the blades 53 is preferably carried out by mounting the blade holder 50 equipped blades not sharpened opposite a grinding wheel having the same diameter as the support cylinder 51, then by putting this grinding wheel in rapid rotation while the blade holder 50 is simultaneously put in slow rotation. It is thus possible to keep in reserve a blade holder 50 equipped with sharpened blades.
- the change of blades can therefore be carried out very quickly by dismantling the blade holder, which is preferably mounted by a simple screw on a mandrel which ensures its angular positioning so that the replacement can be carried out in a very short time.
- the cutting tool 24 only implements rotational movements, and is therefore easily synchronizable with the rotation of the carousel. This means is particularly suitable for obtaining rapid cutouts of lids.
- the various rollers of the selector 23 and of the cutting device 24 can be mounted in overhang with respect to a support plate, all the rollers then being accessible and removable from the same side of the support plate.
- each cover 16 has two straight parallel edges 102 and 103, formed by the edges of the strip section, as well as two curved edges 104 and 105 parallel to each other and symmetrical with respect to the axis of symmetry 106 of the strip section. These curved edges define lids of complementary shape, fitting together without loss of band between two lids.
- Figure 7 shows the top view of a seal
- the width 1 of the strip 100 is chosen to be slightly greater than the diameter of the neck 109.
- the curved shape of the cut-out allows two gripping tongues 107 and 108 of the cover to remain.
- the radius of curvature R of the cutout is preferably slightly greater than the half-width of the strip, for example 24 mm for a strip 46 mm wide for a neck having a diameter of 43 mm, in order to produce tongues allowing a good grip on the lid while avoiding that the tips of the tabs are too tapered.
- the dimension of the cutting tool 24 is preferably provided so that the distance d between the curved edges 104 and 105, that is to say the circumferential distance between two edges 56 or the perimeter of the circle swept by the edge 56 in the case of a single blade, ie substantially equal to the width 1 of the strip.
- the lids 16 thus cut are supported by a advancing member 17, here a conveying device comprising two belts 63a and 63b mounted facing each other on rollers, respectively 60a, 64a and 60b , 64b.
- the belts 63a and 63b preferably comprise three parallel strands of small width.
- the advancement member 17 traps the lids 16 at the outlet of the cutting device 24 between the two belts 63a and 63b, thus preventing them from shifting or turning during conveying, and thus brings them onto the trajectory of the mobile stations.
- each sealing station 5 comprises a gripper 9 comprising a fixed jaw 18 and a movable jaw 19 resiliently biased towards the fixed jaw by a spring not shown.
- the movable jaw 19 is associated with a control lever 14 serving to open the clamp under the effect of a fixed cam 15 disposed upstream of the module for producing the lids 7.
- the sealing station 5 is then in position for the unfolding of a new cycle.
- all the rotary movements can be synchronized by gears, belts, or be obtained by electrically synchronized motors.
- We can in particular link the advance of the strip, and / or its cutting into lids to information on the presence of a container in the upstream transfer device. We can for example suspend the production of lids each time it is anticipated that a mobile station passing under the end of the advancement member of the lids will be empty.
- the operation of the grippers 9 can be carried out electrically, hydraulically or pneumatically, and its opening and closing on the fly on a cover presented at the end of the advancing member can be carried out by means other than the system with cam and lever described, for example of the type controlled by a photoelectric cell integral with the clamp receiving a beam of light interrupted or not by the presence of a cover.
- the selector 23 could also comprise two idle rollers and a single drive roller, mounted movably on the lever. It would then be necessary to reverse the direction of rotation of the motor when the lever is tilted.
- the invention can be transposed to any type of sealing device, in particular linear.
- the cutting shape obtained by one cutting member 24 can be modified to produce gripping tabs arranged in an opposite manner, for example by providing blades 53 with a curvature having an inflection point.
- the number of blades of the blade holder 50 can be arbitrary, being adapted to the size of the lids and of the blade holder 50.
- the blade holder 50 could comprise four blades, the radius of the cylindrical surface in which are located the edges of these blades being adapted so that a quarter of the circumference of this surface corresponds to the dimension of a cover.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing Of Containers (AREA)
- Package Closures (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002557829A JP2004517009A (ja) | 2001-01-17 | 2001-01-17 | 移動式シールステーションへのメンブレンシール供給装置 |
EP02710975A EP1423307A1 (fr) | 2001-01-17 | 2002-01-11 | Dispositif de presentation d'opercules a des postes de scellage mobiles |
BR0206482-0A BR0206482A (pt) | 2001-01-17 | 2002-01-11 | Dispositivo de apresentação de opérculos a postos de selagem móveis |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0100582A FR2819483B1 (fr) | 2001-01-17 | 2001-01-17 | Dispositif de presentation d'opercules a des postes de scellage mobiles |
FR01/00582 | 2001-01-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002057138A1 true WO2002057138A1 (fr) | 2002-07-25 |
WO2002057138A8 WO2002057138A8 (fr) | 2004-04-01 |
Family
ID=8858907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2002/000099 WO2002057138A1 (fr) | 2001-01-17 | 2002-01-11 | Dispositif de presentation d'opercules a des postes de scellage mobiles |
Country Status (6)
Country | Link |
---|---|
US (1) | US6735924B2 (fr) |
EP (1) | EP1423307A1 (fr) |
JP (1) | JP2004517009A (fr) |
BR (1) | BR0206482A (fr) |
FR (1) | FR2819483B1 (fr) |
WO (1) | WO2002057138A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1390741B1 (it) * | 2008-07-23 | 2011-09-23 | Emmeci Spa | Macchina automatica e metodo per realizzare scatole da imballaggio curvilinee. |
FR3007015B1 (fr) * | 2013-06-17 | 2016-01-29 | Serac Group | Bec de remplissage multi-jet a event integre |
ITUB20155739A1 (it) * | 2015-11-19 | 2017-05-19 | Weightpack Srl | Impianto di sigillatura di contenitori |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2247387A1 (en) * | 1973-10-10 | 1975-05-09 | Graffin Andre | Machine for sealing sterile plastic bottles - cuts and seals caps cut from a ribbon passed through a sterilising solution |
FR2688192A1 (fr) | 1992-03-03 | 1993-09-10 | Serac Group | Dispositif de fermeture de recipients par thermosoudage d'opercules et installation le comportant. |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1215047A (en) * | 1968-07-19 | 1970-12-09 | Schmermund Alfred | A web feeding and cutting arrangement |
IT997143B (it) * | 1973-09-21 | 1975-12-30 | Seragnoli Ariosto | Apparecchiatura per produrre da materiale in nastro avvolto in bobina una successione continua di tratti di nastro o fogli partico larmente adatta per alimentare spezzoni di materiale d incarto a macchine incartatrici |
JPS52156083A (en) * | 1976-06-17 | 1977-12-26 | Sumitomo Bakelite Co Ltd | Sealing device for container head |
GB2042961B (en) * | 1979-02-20 | 1982-09-22 | Masson Scott Thrissell Eng Ltd | Cutting apparatus for continuous webs |
US4516380A (en) * | 1982-09-17 | 1985-05-14 | Euclid Spiral Paper Tube Corp. | Portable apparatus for filling and closing containers |
DE3436217A1 (de) * | 1984-10-03 | 1986-04-03 | Focke & Co (GmbH & Co), 2810 Verden | Verfahren und vorrichtung zum wechseln von bobinen in verbindung mit verpackungsmaschinen |
US4575987A (en) * | 1985-04-25 | 1986-03-18 | Vercon, Inc. | Apparatus for closing a container |
JPS62152696A (ja) * | 1985-12-25 | 1987-07-07 | 富士写真フイルム株式会社 | 磁気デイスク用ライナの加工方法および装置 |
IT1224965B (it) * | 1988-10-31 | 1990-10-29 | Azionaria Costruzioni Acma Spa | Apparecchiatura per l'applicazione di tappi a contenitori |
DE59008158D1 (de) * | 1990-10-10 | 1995-02-09 | Fraunhofer Ges Forschung | Vorrichtung zum zuführen und wechseln einer mehrzahl von kabeln. |
JP2578179Y2 (ja) * | 1992-03-06 | 1998-08-06 | 四国化工機株式会社 | 容器の密封装置 |
FR2693702B1 (fr) * | 1992-07-17 | 1994-09-02 | Serac Group | Procédé de mise en place d'un tronçon de bande de thermoscellage au-dessus de récipients et dispositif de mise en Óoeuvre. |
IT1258147B (it) * | 1992-09-15 | 1996-02-20 | Gd Spa | Metodo e dispositivo per la sostituzione automatica di materiale in nastro |
US6016641A (en) * | 1996-04-29 | 2000-01-25 | Fuji Seal, Inc. | Apparatus and method for applying a tubular member over an article |
US6085489A (en) * | 1998-06-22 | 2000-07-11 | Nimco Corporation | Spout mandrel with energy ring |
-
2001
- 2001-01-17 JP JP2002557829A patent/JP2004517009A/ja active Pending
- 2001-01-17 FR FR0100582A patent/FR2819483B1/fr not_active Expired - Fee Related
-
2002
- 2002-01-11 EP EP02710975A patent/EP1423307A1/fr not_active Withdrawn
- 2002-01-11 WO PCT/FR2002/000099 patent/WO2002057138A1/fr not_active Application Discontinuation
- 2002-01-11 BR BR0206482-0A patent/BR0206482A/pt not_active IP Right Cessation
- 2002-01-17 US US10/046,779 patent/US6735924B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2247387A1 (en) * | 1973-10-10 | 1975-05-09 | Graffin Andre | Machine for sealing sterile plastic bottles - cuts and seals caps cut from a ribbon passed through a sterilising solution |
FR2688192A1 (fr) | 1992-03-03 | 1993-09-10 | Serac Group | Dispositif de fermeture de recipients par thermosoudage d'opercules et installation le comportant. |
US5363629A (en) * | 1992-03-03 | 1994-11-15 | Serac France | Device for closing receptacles by welding on lids, and installation including the same |
Also Published As
Publication number | Publication date |
---|---|
US20020092266A1 (en) | 2002-07-18 |
BR0206482A (pt) | 2004-02-10 |
EP1423307A1 (fr) | 2004-06-02 |
WO2002057138A8 (fr) | 2004-04-01 |
FR2819483A1 (fr) | 2002-07-19 |
JP2004517009A (ja) | 2004-06-10 |
US6735924B2 (en) | 2004-05-18 |
FR2819483B1 (fr) | 2003-06-13 |
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