WO2021111478A1 - Appareil de transport et de dosage d'objets sur une ligne de conditionnement et d'emballage automatique - Google Patents

Appareil de transport et de dosage d'objets sur une ligne de conditionnement et d'emballage automatique Download PDF

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Publication number
WO2021111478A1
WO2021111478A1 PCT/IT2019/000109 IT2019000109W WO2021111478A1 WO 2021111478 A1 WO2021111478 A1 WO 2021111478A1 IT 2019000109 W IT2019000109 W IT 2019000109W WO 2021111478 A1 WO2021111478 A1 WO 2021111478A1
Authority
WO
WIPO (PCT)
Prior art keywords
track
objects
supporting
supporting means
vibrating
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/IT2019/000109
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English (en)
Inventor
Simone VAILATI
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.)
Individual
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Individual
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 Individual filed Critical Individual
Priority to PCT/IT2019/000109 priority Critical patent/WO2021111478A1/fr
Priority to EP19845910.9A priority patent/EP4069612A1/fr
Publication of WO2021111478A1 publication Critical patent/WO2021111478A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B65G27/00—Jigging conveyors
    • B65G27/34—Jigging conveyors comprising a series of co-operating units
    • 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
    • B65G27/00—Jigging conveyors
    • B65G27/04—Load carriers other than helical or spiral channels or conduits
    • 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
    • B65G27/00—Jigging conveyors
    • B65G27/10—Applications of devices for generating or transmitting jigging movements
    • B65G27/16—Applications of devices for generating or transmitting jigging movements of vibrators, i.e. devices for producing movements of high frequency and small amplitude
    • B65G27/22—Hydraulic or pneumatic devices
    • 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
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/027—Tablets, capsules, pills or the like

Definitions

  • the present invention relates to an apparatus for conveying and dosing objects on an automatic packaging line.
  • the invention relates to a vibrating apparatus adapted to convey small objects, such as medicinal pills or tablets, hazelnuts, candies and similar food ingredients, to align them along a conveying direction and to promote releasing and dosing operations of the objects outwards, to devices for use in the packaging line of a finished product.
  • small objects such as medicinal pills or tablets, hazelnuts, candies and similar food ingredients
  • vibrating machines adapted to convey small objects, such as for example hazelnuts, candies or medicinal tablets, to align them along a conveying direction and to promote the releasing operations of the objects towards devices provided for packaging a finished product.
  • Such vibrating machines of known type consist of a vibrating conveyor unit of the objects, e.g. pneumatically driven, along an advancement direction of the objects themselves.
  • a vibrating conveyor unit is interposed between an infeed portion of the machine, configured for loading the objects to be conveyed, e.g. through a hopper, and an outfeed portion, in which the objects are released towards external user devices on the packaging line.
  • the known machines use pistons adapted to push the objects to facilitate their release.
  • Such a vibrating conveyor unit generally comprises a plurality of conveyor tracks, each of which is configured to contain a number of objects to be conveyed at the same time.
  • Each of such tracks has a first end proximal to the infeed portion of the objects to be conveyed into the machine and an opposite second end proximal to said outfeed and releasing portion of the objects.
  • the first end of the track is connected to a first support connected to a vibrating moving unit of the track itself, e.g. a pneumatic motor, to oscillate substantially along the conveying direction of the objects.
  • the second end of the track is generally connected to a second support configured to oscillate along the aforesaid conveying direction of the objects in response to the movement of the first support.
  • voids are often created between two moving objects aligned along the vibrating tracks of a known machine.
  • the presence of these voids between the objects or groups of objects causes a reduction in the efficiency of the subsequent step of packaging.
  • the vibrating machines of known type are not immune from localized jamming and accumulations of objects which decay both the alignment quality of the objects and the efficiency of the subsequent step of packaging.
  • figure 1 shows a perspective view of an apparatus for conveying and dosing objects which can be used on an automatic packaging line according to a preferred example of an embodiment of the invention
  • figure 2 shows a perspective, enlarged view of a vibrating conveyor unit of objects comprised in the apparatus shown in figure 1, comprising a plurality of straight tracks for conveying objects
  • figure 3 shows a side view of one of the straight tracks of the conveyor unit in figure 2
  • figure 4 shows an enlarged view of a portion of the straight track in figure 3;
  • FIG. 5 shows a perspective, enlarged view of one of the straight tracks of the conveyor unit in figure 2 connected to the supporting means provided in the apparatus;
  • FIG. 6 shows a cross-section, enlarged view of the straight track in figure 3, wherein such a section is made at a substantially median portion of the track.
  • an apparatus for conveying and dosing objects 1 which can be used on an automatic packaging line hereinafter referred to simply as conveying and dosing apparatus or simply apparatus or machine, according to an example of the invention as a whole, is indicated by reference numeral
  • objects or objects 1 will be used hereafter to refer to small products for pharmaceutical uses, such as pills or tablets, or small food products or ingredients, such as hazelnuts, candies and the like.
  • the apparatus or machine 1000 for conveying and dosing objects 1 comprises a vibrating unit 100 for conveying objects along an advancement direction D parallel to a supporting plane P of the apparatus in a respective sense of advancement.
  • Such a vibrating conveyor unit 100 is interposed between an infeed portion IN of the apparatus 1000, configured for loading the objects 1 to be conveyed, and an outfeed portion OUT, configured to release the conveyed objects 1.
  • the vibrating conveyor unit 100 is fixed to a supporting base 101 of the machine 1000 resting on the supporting plane P and is laterally delimited by protection walls 102.
  • the infeed portion IN of the apparatus 1000 adapted to delimit the head of the vibrating conveyor unit 100, comprises a block 103 for loading the objects 1 to be conveyed provided with a hopper 104.
  • a 1000 configured to either release or dose the conveyed objects 1, can be accessed from the outside of the machine and includes a block 105 for releasing or dosing the objects 1 in controlled manner, as described in detail below.
  • the aforesaid vibrating conveyor unit 100 of the objects 1 comprises at least one straight track 10 having a first end 11 and an opposite second end 12 and configured to contain the objects to be conveyed along the advancement direction D.
  • the machine 1000 comprises about twenty tracks. In other examples, the machine 1000 may be made so as to comprise from one to forty tracks 10, all mutually parallel. It is worth noting that each of the aforesaid tracks 10 can be moved by vibration independently from the others.
  • the hopper is provided with respective compartments for loading such different objects.
  • Each compartment of the hopper comprises a respective outlet adapted to feed one of the aforesaid two groups of tracks 10.
  • the aforesaid vibrating conveyor unit 100 comprises first supporting and vibrating moving means 30 of the at least one track 10 operatively associated with the infeed portion IN of the apparatus 1000.
  • the first end 11 of the at least one track 10 is connected to the aforesaid first vibrating supporting and moving means 30.
  • each track 10 are connected to a pneumatic drive (not shown in the figures) which can be selectively activated/deactivated to enable/disable the vibration of each track 10 independently from the others.
  • a pneumatic drive not shown in the figures
  • first supporting means or first support 30 comprise a leaf-spring support or idle support configured to oscillate substantially along the advancement direction D of the objects in response to the vibrating action imparted by the pneumatic drive.
  • 100 comprises second supporting and vibrating moving means 40 of the at least one track 10 operatively associated with the outfeed portion OUT of the apparatus
  • such a second end 12 of at least one track 10 is connected to the second supporting means 40 configured to oscillate along the aforesaid advancement direction D of the objects in response to the movement of the first supporting means 30.
  • the second end 12 of all tracks 10 of the vibrating conveyor unit 100 is connected to one of the second supporting means 40.
  • such second supporting means 40 comprise a leaf-spring support or idle support.
  • the 10 of the vibrating conveyor unit 100 advantageously comprises a first track 50 and a second track 60, each representing a portion of the aforesaid track 10.
  • the first track 50 has a substantially straight development and extends between the first end 11 of the track 10 and a further second end
  • Such a further second end 13 is connected to third supporting means 70 of the track located in an intermediate position between the aforesaid first vibrating supporting and moving means 30 and the second supporting means 40.
  • Such third supporting means 70 are configured to oscillate elastically along the aforesaid advancement direction D of the objects in response to the movement of the first supporting means 30.
  • the second track 60 is aligned with and separated from the first track 50.
  • Such a second track 60 has a substantially straight development and extends between the second end 12 of the track 10 and a further first end 14.
  • Such further first end 14 is connected to the aforesaid elastically oscillating third supporting means
  • the third supporting means 70 of the track 10 comprise a leafspring support or idle support.
  • Such a leaf-spring 70 is thus configured to transmit the vibration imposed on the first track 50 by the first supporting and moving means 30 and to dampen said vibrations after the deactivation of the pneumatic drive.
  • the second track 60 comprises a preparation element 61 for connecting an additional pneumatic drive to generate vibration, in addition to the main one connected to the first supporting means 30.
  • an additional pneumatic drive is designed to provide a continuity of vibration or different vibration speed to the second track 60, thus compensating the damping.
  • the second track 60 is preferably parallel to the advancement direction D of the objects 1 or inclined at most by 2 degrees with respect to such a direction D.
  • the first track 50 is parallel to a first advancement direction D' inclined by an angle of predetermined amplitude X with respect to the advancement direction D of the objects 1.
  • the first advancement direction D' lies on the same plane as the advancement direction D and such a plane is orthogonal to the supporting plane P.
  • the first track 50 is at least partially superimposed on the second track 60.
  • the Applicant found that the machine 1000 in which the use of two distinct tracks is provided, in which the first track 50 is inclined with respect to the advancement direction D of the objects, instead of a single track of the machines of the known solutions, and in which it is possible to fix the amplitude X of the inclination angle of the first track 50 with respect to the advancement direction D, allows further minimizing the gaps between two objects 1 in motion and aligned along the second track 60 before releasing.
  • the amplitude of the inclination angle X of the first track 50 with respect to the advancement direction D of the objects 1 is comprised in the range of 4-5 degrees.
  • the aforesaid first track 50 and second track 60 are made of metal. More specifically, the first track 50 and second track 60 are made of steel (food-grade stainless steel 316), which was subjected to a polishing and electrolytic process to prevent the formation of fouling.
  • the first track 50 comprises means for detachably fixing the first end 11 of the track 10 and the further second end 13 to the first supporting and moving means 30 of the track and to the third supporting means 70 of the track which can oscillate, respectively.
  • the second track 60 includes means for detachably fixing the second end 12 of the track and the further first end 14 to the second supporting means of the track 40 and the third supporting means 70 of the track, respectively.
  • such detachable fixing means comprise pairs of permanent magnets of opposite polarity which can be mutually coupled/uncoupled.
  • V-shaped section and comprise a first wall 51 and a second wall 52 which are inclined and mutually connected in one piece by means of a respective connecting portion 53 to delimit a seat SD for the housing and sliding of the objects 1 to be conveyed, in particular preventing the objects 1 from escaping from the track while they run.
  • first 51 and second 52 inclined walls have free ends 51', 52' opposite to the aforesaid connecting portion 53.
  • a distance d, d' between the free ends 51', 52' of said first 51 and second 52 wall of the first 50 and second 60 track can be modified to vary an amplitude of the housing seat SD of the objects. Such modifiability is obtained in the steel mold to create tracks with different seat widths.
  • the first track 50 has a distance d between the free ends
  • the second track 60 has a further distance d' between the free ends 51', 52' of the first 51 and second 52 wall.
  • the aforesaid distance d relative to the first track 50 is less than the further distance d' associated with the second track 60.
  • tracks 50, 60 may be provided having housing seats SD for objects 1 of different sizes in order to adapt such tracks 10 to convey categories of objects 1 of different sizes.
  • the machine 1000 is therefore versatile and can be adapted to different machining operations by simply changing the dimensions of the tracks.
  • the first track 50 of each of the tracks 10 included in the machine 1000 comprises aligning means 20 of the objects 1 to be conveyed.
  • Such aligning means 20 are obtained on the first 51 and second wall 52 in a middle position of the first track 50.
  • alignment means of the objects 1 comprise shaped wings 20 comprising portions of the first wall 51 and of the second wall 52 folded towards the housing seat SD of the objects to be conveyed.
  • shaped wings 20 advantageously allow avoiding the accumulation of objects 1 in the first track 50, thus facilitating the alignment of the objects themselves.
  • the first track 50 comprises a respective wing 20', also visible in figure
  • the second track 60 of each track 10 comprises a unit 80 for releasing or dosing the conveyed objects 1 in a controlled manner. It is worth noting that the aforesaid block 105 for releasing or dosing the objects 1 described with reference to figures 1 and 2 includes the releasing units 80 of all tracks 10 of the apparatus 1000.
  • the unit 80 for releasing or dosing the objects 1 is operatively associated with a releasing hole 85 of the object obtained in the second track 60, and electrically connected to an electronic control unit 200 of the apparatus.
  • each of the aforesaid units 80 for releasing or dosing the objects 1 in a controlled manner comprises:
  • a photodetector device 81 e.g. a photocell, configured to detect the presence of an object 1 near the releasing hole 85 and to generate a detection signal SI of the object to be sent to the electronic control unit 200;
  • a first compressed air blowing device or nozzle 82 configured to generate one or more compressed air blows after receiving a first activation signal S2 from the electronic control unit 200; such one or more air jets generated by the first blowing nozzle 82 are adapted to facilitate the falling of the object 1 into the releasing hole 85;
  • a second compressed air blowing device or nozzle 83 configured to generate one or more compressed air jets after receiving a second activation signal S3 from the electronic control unit 200; such one or more jets generated by the second blowing nozzle 83 are adapted to slow down the approaching of a further object 1 to the releasing hole 85.
  • a central processing unit including a programmable logic controller (or PLC) adapted to control the units described above and operatively connected to a main system memory (not shown in the figures).
  • PLC programmable logic controller
  • such an electronic control unit 200 is electrically connected to the pneumatic drive of the machine 1000 to selectively activate/deactivate it and, consequently, to enable/disable the vibration of each track 10 of the vibrating conveyor unit 100 independently of the others.
  • the PLC of the electronic control unit 200 is configured to independently control each of the units 80 to either release or dose the objects 1 of the tracks 10.
  • control by the PLC is carried out on the basis of the following sequence of steps, described, for the sake simplicity, with reference to any of the tracks 10 of the vibrating conveyor unit 100.
  • the PLC receives the detection signal SI generated by the photodetector device 81 and indicates the presence of object 1 close to the releasing hole 85.
  • the PLC In a later step, the PLC generates the first activation signal S2 to activate the generation of one or more compressed air jets by the first blower device or nozzle 82. In such a manner, the falling of the object 1 into the releasing hole 85 is facilitated.
  • the PLC can selectively deactivate the pneumatic drive to disable the vibration of the concerned track 10.
  • the leaf-spring 70 is adapted to dampen the residual vibration after a few milliseconds.
  • the first support 30 connected to the main pneumatic drive comprises a vibration locking system or brake 31 which intervenes to substantially instantaneously interrupt the residual vibration.
  • the PLC is adapted to generate a second activation signal S3 to activate the generation of one or more compressed air blows by the second compressed air blower device or nozzle 83.
  • the 200 is designed to load program codes into the main system memory to be executed to implement the control procedure of the device 1000, such as the steps of releasing and controlled dosing of the object described above.
  • the apparatus 1000 comprises an infeed/outfeed interface module 300 which is electrically connected to the central control unit 200 to enable the insertion (input) of machining parameters by an external operator and to view (output) data indicative of the machining.
  • an interface module 300 takes the form of a keyboard and a display or a touchscreen display.
  • the PLC can, therefore, be programmed by the operator in order to be able to dose the single piece.
  • the machine 1000 can operate in counting mode, i.e. by counting the single objects 1 with the photocell sensor
  • the machine 1000 can operate in volumetric mode, i.e. by dosing the objects according to the moving time in the tracks 10. This allows dosing groups of objects, such as, for example: grain, sugar. chopped almonds and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigging Conveyors (AREA)

Abstract

La présente invention concerne un appareil (1000) de transport et de dosage d'objets (1) sur une ligne de conditionnement et d'emballage automatique. L'appareil comprend : un transporteur vibrant (100) pour les objets le long d'une direction d'avancement (D) parallèle à un plan de support (P) de l'appareil ; ledit transporteur est interposé entre une partie d'entrée (IN) du dispositif, conçue pour charger les objets (1), et une partie de sortie (OUT), conçue pour relâcher les objets transportés. Le transporteur vibrant comprend : Au moins une voie droite (10), conçue pour contenir les objets à transporter et pourvue d'une première extrémité (11) et d'une seconde extrémité opposée (12) ; des premiers moyens de support et de déplacement vibrants (30) de la voie ou des voies fonctionnellement associées à la partie d'entrée de l'appareil ; la première extrémité d'au moins une voie est reliée au premier moyen de support et de déplacement vibrant ; des deuxièmes moyens de support (40) de la voie fonctionnellement associée à la partie de sortie de l'appareil ; ladite seconde extrémité de la voie ou des voies est reliée au deuxième moyen de support. La voie ou les voies comprennent : une première voie (50), qui s'étend entre la première extrémité de la voie et une autre seconde extrémité (13) ; ladite seconde extrémité supplémentaire est reliée à des troisièmes moyens de support (70) de la voie dans une position intermédiaire entre les premiers moyens de support et de déplacement vibrants et les deuxièmes moyens de support ; une seconde voie (60), alignée et séparée de la première voie, qui s'étend entre la seconde extrémité de la voie et une autre première extrémité (14) ; l'autre première extrémité est reliée au troisième moyen de support. Lesdits troisièmes moyens de support sont conçus pour osciller le long de la direction d'avancement des objets en réponse au mouvement du premier moyen de support pour transférer la vibration de la première voie à la seconde voie. La première voie est au moins partiellement superposée à la seconde voie.
PCT/IT2019/000109 2019-12-06 2019-12-06 Appareil de transport et de dosage d'objets sur une ligne de conditionnement et d'emballage automatique Ceased WO2021111478A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/IT2019/000109 WO2021111478A1 (fr) 2019-12-06 2019-12-06 Appareil de transport et de dosage d'objets sur une ligne de conditionnement et d'emballage automatique
EP19845910.9A EP4069612A1 (fr) 2019-12-06 2019-12-06 Appareil de transport et de dosage d'objets sur une ligne de conditionnement et d'emballage automatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2019/000109 WO2021111478A1 (fr) 2019-12-06 2019-12-06 Appareil de transport et de dosage d'objets sur une ligne de conditionnement et d'emballage automatique

Publications (1)

Publication Number Publication Date
WO2021111478A1 true WO2021111478A1 (fr) 2021-06-10

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WO (1) WO2021111478A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947786B1 (fr) * 1970-02-05 1974-12-18
JPS5355169U (fr) * 1976-10-13 1978-05-11
DE19646753A1 (de) * 1996-11-01 1998-05-07 Select Ingenieurgesellschaft F Einrichtung zur Qualitäts- und/oder Größensortierung kleinstückiger Produkte
CN201086853Y (zh) * 2007-01-19 2008-07-16 珐玛珈（广州）包装设备有限公司 一种片状大型物料数粒机
US20110061994A1 (en) * 2006-01-16 2011-03-17 Areva Nc Screening and Alignment of Nuclear Fuel Pellets
KR20140124503A (ko) * 2013-04-17 2014-10-27 주식회사 카운텍 높이 조절 기능을 갖는 알약 포장장치
US20160107841A1 (en) * 2014-10-17 2016-04-21 Smalley Manufacturing Co., Inc. Linear Wave Motion Conveyor
EP3075683A1 (fr) * 2015-04-02 2016-10-05 Bühler AG Convoyeur, dispositif d'arret associe, procede de transport et/ou de singularisation d'articles en vrac, kit et procede pour moderniser des convoyeurs
US9463935B1 (en) * 2014-03-24 2016-10-11 Vibratory Solutions, Llc Vibratory product conveyor system
CN209536222U (zh) * 2018-11-19 2019-10-25 广州迦南弥特智能包装设备有限公司 一种数粒机震动输料盘

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947786B1 (fr) * 1970-02-05 1974-12-18
JPS5355169U (fr) * 1976-10-13 1978-05-11
DE19646753A1 (de) * 1996-11-01 1998-05-07 Select Ingenieurgesellschaft F Einrichtung zur Qualitäts- und/oder Größensortierung kleinstückiger Produkte
US20110061994A1 (en) * 2006-01-16 2011-03-17 Areva Nc Screening and Alignment of Nuclear Fuel Pellets
CN201086853Y (zh) * 2007-01-19 2008-07-16 珐玛珈（广州）包装设备有限公司 一种片状大型物料数粒机
KR20140124503A (ko) * 2013-04-17 2014-10-27 주식회사 카운텍 높이 조절 기능을 갖는 알약 포장장치
US9463935B1 (en) * 2014-03-24 2016-10-11 Vibratory Solutions, Llc Vibratory product conveyor system
US20160107841A1 (en) * 2014-10-17 2016-04-21 Smalley Manufacturing Co., Inc. Linear Wave Motion Conveyor
EP3075683A1 (fr) * 2015-04-02 2016-10-05 Bühler AG Convoyeur, dispositif d'arret associe, procede de transport et/ou de singularisation d'articles en vrac, kit et procede pour moderniser des convoyeurs
CN209536222U (zh) * 2018-11-19 2019-10-25 广州迦南弥特智能包装设备有限公司 一种数粒机震动输料盘

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