EP3871986B1 - Wickelmaschine mit rotierender plattform - Google Patents

Wickelmaschine mit rotierender plattform Download PDF

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Publication number
EP3871986B1
EP3871986B1 EP21159772.9A EP21159772A EP3871986B1 EP 3871986 B1 EP3871986 B1 EP 3871986B1 EP 21159772 A EP21159772 A EP 21159772A EP 3871986 B1 EP3871986 B1 EP 3871986B1
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EP
European Patent Office
Prior art keywords
upright
wrapping machine
rotation axis
coupled
rotary platform
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.)
Active
Application number
EP21159772.9A
Other languages
English (en)
French (fr)
Other versions
EP3871986A1 (de
Inventor
Imerio Pagliarani
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.)
Mitec Srl Con Unico Socio
Original Assignee
Mitec Srl Con Unico Socio
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 Mitec Srl Con Unico Socio filed Critical Mitec Srl Con Unico Socio
Priority to SM20230431T priority Critical patent/SMT202300431T1/it
Priority to EP22161049.6A priority patent/EP4029793A1/de
Priority to EP22161047.0A priority patent/EP4029792A1/de
Publication of EP3871986A1 publication Critical patent/EP3871986A1/de
Application granted granted Critical
Publication of EP3871986B1 publication Critical patent/EP3871986B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/04—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated
    • B65B11/045—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated by rotating platforms supporting the articles
    • 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
    • B65B2210/00—Specific aspects of the packaging machine
    • B65B2210/14—Details of wrapping machines with web dispensers for application of a continuous web in layers onto the articles
    • B65B2210/20—Details of wrapping machines with web dispensers for application of a continuous web in layers onto the articles the web dispenser being mounted on a rotary arm

Definitions

  • the invention relates to a wrapping machine with a rotary platform.
  • the invention relates to a wrapping machine to wrap products with at least one band of wrapping material.
  • a wrapping machine which comprises a base; a rotary platform, which defines a support surface for at least one product and is mounted on the base so as to rotate around a rotation axis, which is substantially vertical and perpendicular to the support surface; and a plurality of support rollers, which are interposed between the base and the rotary platform and are distributed around the aforesaid rotation axis.
  • the wrapping machine further comprises a guide upright, which projects upwards from the base and extends in a vertical direction, which is substantially parallel to the rotation axis of the rotary platform; and a support slide, which is configured to receive and hold a spool of wrapping material and is movable along the guide upright so as to wrap the wrapping material band in a spiral around the products combining the movements of the rotary platform around the rotation axis and the movements of the support slide along the guide upright.
  • the object of the invention is to provide a wrapping machine with a rotary platform, which does not suffer from the drawbacks discussed above and can be actuated in a straightforward, relatively low-cost manner.
  • number 1 indicates, as a whole, a wrapping machine to wrap products 2 in a band 3 of wrapping material, in this specific case a stretch film.
  • the wrapping machine 1 comprises a substantially flat base 4 comprising, in turn, a substantially circular plate 5 and a substantially rectangular board 6, which are connected to one another.
  • the wrapping machine 1 further comprises a rotary platform 7, which has a circular shape, defines a substantially horizontal support surface P for at least one product 2 and is mounted above the plate 5 so as to rotate, relative to the base 4, around a rotation axis 8, which is substantially parallel to a vertical direction 9.
  • a rotary platform 7 which has a circular shape, defines a substantially horizontal support surface P for at least one product 2 and is mounted above the plate 5 so as to rotate, relative to the base 4, around a rotation axis 8, which is substantially parallel to a vertical direction 9.
  • the wrapping machine 1 further has a feeding disc 10, which is mounted between the plate 5 and the platform 7 coaxially to the axis 8 and radially projects from the platform 7.
  • the disc 10 is coupled to the base 4 in a rotary manner through the interposition of a plurality of centring wheels 11 ( figures 5 and 6 ), which are uniformly distributed around the axis 8 and along a lower annular flange 10a of the disc 10, project upwards from the plate 5 and are mounted so as to rotate around respective rotation axes 12, which are parallel to one another and to the direction 9.
  • the wrapping machine 1 further comprises two roller cages 13, 14, the cage 13 being mounted between the plate 5 and the disc 10 and the cage 14 being mounted between the disc 10 and the platform 7.
  • the cage 13 comprises an annular support plate 15 ( figure 5 ), which is mounted coaxially to the axis 8 and is coupled to the base 4 in a rotary manner through the interposition of a plurality of centring wheels 16, which are uniformly distributed around the axis 8 and along an inner peripheral edge of the plate 15, project upwards from the plate 5 and are mounted so as to rotate around respective rotation axes 17, which are parallel to one another and to the direction 9.
  • the cage 13 is further provided with a plurality of rollers 18, which are mounted through the plate 15, are distributed around the axis 8 and are coupled to the plate 15 in a rotary manner so as to rotate, relative to the plate 15, around respective rotation axes 19, which are substantially radial and transverse to the axis 8.
  • the rollers 18 have a diameter which is substantially equal to a distance between the plate 5 and the disc 10, measured parallel to the direction 9, so that they are in contact both with the plate 5 and with the disc 10.
  • the cage 14 comprises an annular support plate 20 ( figures 2 and 3 ), which is mounted coaxially to the axis 8 and is coupled to the base 4 in a rotary manner through the interposition of a plurality of centring wheels 21, which are uniformly distributed around the axis 8 and along an inner peripheral edge of the plate 20, project downwards from the platform 7 and are mounted so as to rotate around respective rotation axes 22, which are parallel to one another and to the direction 9.
  • the cage 14 is further provided with a plurality of rollers 23, which are mounted through the plate 20, are distributed around the axis 8 and are coupled to the plate 20 in a rotary manner so as to rotate, relative to the plate 20, around respective rotation axes 24, which are substantially radial and transverse to the axis 8.
  • the rollers 23 have a diameter which is substantially equal to a distance between the disc 10 and the platform 7, measured parallel to the direction 9, so that they are in contact both with the disc 10 and with the platform 7.
  • the disc 10 and the platform 7 are moved around the axis 8, with rotation directions that are contrary to one another, by an operating assembly 25 comprising an electric motor 26, which is fixed to the board 6 and has an output shaft, which is provided with a gear (not shown) coupled to a crown wheel 27 ( figures 3 and 4 ), which is obtained along an outer peripheral edge of the disc 10.
  • an operating assembly 25 comprising an electric motor 26, which is fixed to the board 6 and has an output shaft, which is provided with a gear (not shown) coupled to a crown wheel 27 ( figures 3 and 4 ), which is obtained along an outer peripheral edge of the disc 10.
  • the assembly 25 further comprises a transmission device 28 to transmit the rotation motion of the disc 10 to the platform 7.
  • the device 28 comprises a crown wheel 29 ( figures 2 , 3 and 4 ) obtained along an inner peripheral edge of the disc 10; a crown wheel 30 ( figure 2 ), which is obtained on a lower annular flange 7a of the platform 7 and extends into the crown wheel 29; and a plurality of gears 31 ( figures 2-5 ), which are interposed between the crown wheel 29 and the crown wheel 30, project upwards from the plate 5 and are mounted so as to rotate around respective rotation axes 32, which are parallel to one another and to the direction 9.
  • the disc 10 supports a gantry 33 comprising two vertical uprights 34, which extend upwards from the disc 10 in the direction 9, are diametrically opposite one another relative to the axis 8 and carry, connected to their free ends, a horizontal cross member 35, which is transverse to the uprights 34.
  • One of the uprights 34 supports a bracket 36, which is coupled to the upright 34 in a sliding manner and is configured to receive and hold a spool 37 of band 3.
  • the bracket 36 is movable along the relative upright 34 in the direction 9 so as to wrap the band 3 in a spiral around the product 2 combining the movements of the platform 7 and of the gantry 33 around the axis 8 with the movements of the bracket 36 and, hence, of the spool 37 in the direction 9.
  • the bracket 36 is moved along the relative upright 34 in the direction 9 by an operating assembly 38 comprising an electric motor 39, which is fixed to the board 6 and has an output shaft, which is provided with a gear (not shown) coupled to a crown wheel 40, which is obtained along an outer peripheral edge of a transmission ring 41 ( figures 1 and 2 ).
  • the ring 41 is mounted coaxially to the axis 8 and is coupled to the disc 10 in a rotary manner through the interposition of a plurality of pairs of centring wheels 42 ( figures 1 and 2 ), which are mounted on the disc 10 and are distributed around the axis 8.
  • the ring 41 is further provided with a crown wheel 43 ( figures 1 and 2 ) obtained along an inner peripheral edge of its and defines part of a transmission device 44, which is designed to connect the motor 39 and the bracket 36 to one another.
  • the device 44 further comprises a transmission screw 45, which is coupled in a rotary manner to the disc 10 and to the relative upright 34, so as to rotate, relative to the gantry 33, around a rotation axis 46 parallel to the axis 8, and is further coupled to the bracket 36 through a screw-nut screw coupling.
  • the screw 45 is provided with a gear 47 ( figures 1 and 2 ), which is splined on a lower end of the screw 45 and is coupled to the crown wheel 43.
  • the wrapping machine 1 finally comprises an electronic control unit 48, which is configured to selectively control the motors 26 and 39 in such a way that:
  • the wrapping machine 1 offers some advantages, which are mainly due to the fact that, by combining the movements of the platform 7 and of the gantry 33 around the axis 8 with respective rotation directions that are contrary to one another, the wrapping machine 1 has a relatively short operating cycle, during which each product 2 is wrapped in the relative band 3, and, as a consequence a relatively high productivity.
  • the wrapping machine 1 offers a further advantage lying in the fact that the electric motor 39 operating the bracket 36 is fixed to the board 6 of the base 4 and the transmission device 44 is mechanical, hence it does not require the use of electrical power supply cables and/or of power supply batteries and/or of electrical sliding contacts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (10)

  1. Verpackungsmaschine mit einer Drehplattform zum Umwickeln von Produkten (2) mit mindestens einem Band aus Verpackungsmaterial (3); wobei die Verpackungsmaschine eine Basis (4) umfasst; eine Drehplattform (7), die eine Auflagefläche (P) für mindestens ein Produkt (2) definiert und an der Basis (4) so angebracht ist, dass sie sich um eine Drehachse (8) dreht, die im Wesentlichen senkrecht zur Auflagefläche (P) ist; einen ersten Ständer (34), der im Wesentlichen parallel zu der Drehachse (8) verläuft und so angebracht ist, dass er sich um die Drehachse (8) mit einer Drehrichtung dreht, die einer Drehrichtung der Drehplattform (7) entgegengesetzt ist; einen Tragschlitten (36), der so konfiguriert ist, dass er eine Spule (37) des Bandes aus Verpackungsmaterial (3) aufnimmt und hält, und der entlang des ersten Ständers (34) beweglich ist; einen ersten Antriebsmotor (26), um die Drehplattform (7) und den ersten Ständer (34) um die Drehachse (8) zu bewegen; eine erste Übertragungsvorrichtung (28), um die Drehbewegung zwischen der Drehplattform (7) und dem ersten Ständer (34) zu übertragen; und eine Zuführscheibe (10), die so angebracht ist, dass sie sich um die Drehachse (8) dreht, und die mit einem ersten Kronenrad (27) versehen ist, das mit einem ersten, vom ersten Antriebsmotor (26) betriebenen Getriebe gekoppelt ist; wobei die erste Übertragungsvorrichtung (28) ein zweites Kronenrad (29), das an der Zuführscheibe (10) angebracht ist, ein drittes Kronenrad (30), das an der Drehplattform (7) angebracht ist, umfasst, dadurch gekennzeichnet, dass sich das dritte Kronenrad (30) innerhalb des zweiten Kronenrads (29) befindet, und eine Vielzahl von zweiten Zahnrädern (31), die zwischen dem zweiten und dem dritten Kronenrad (29, 30) angeordnet sind.
  2. Verpackungsmaschine nach Anspruch 1, wobei der erste Antriebsmotor (26) mit dem ersten Ständer (34) gekoppelt ist und die erste Übertragungsvorrichtung (28) so konfiguriert ist, dass sie die Drehbewegung vom ersten Ständer (34) auf die Drehplattform (7) überträgt.
  3. Verpackungsmaschine nach Anspruch 1 oder 2 und ferner mit einem ersten Rollenkäfig (14), der eine ringförmige erste Stützplatte (20), die zwischen dem Zuführteller (10) und der Drehplattform (7) angebracht ist, und eine Vielzahl von ersten Tragrollen (23) umfasst, die mit der ersten Stützplatte (20) drehbar gekoppelt und in Kontakt mit dem Zuführteller (10) und mit der Drehplattform (7) angeordnet sind.
  4. Verpackungsmaschine nach einem der Ansprüche 1 bis 3 mit einem zweiten Rollenkäfig (13), der eine zweite ringförmige Stützplatte (15), die zwischen der Basis (4) und der Zuführscheibe (10) angebracht ist, und eine Vielzahl von zweiten Tragrollen (18) aufweist, die mit der zweiten Stützplatte (15) drehbar gekoppelt sind und in Kontakt mit der Basis (4) und der Zuführscheibe (10) angeordnet sind.
  5. Verpackungsmaschine nach einem der vorhergehenden Ansprüche, mit einem zweiten Antriebsmotor (39) und einer zweiten Übertragungsvorrichtung (44), um den zweiten Antriebsmotor (39) und den Tragschlitten (36) zu verbinden und den Tragschlitten (36) entlang des ersten Ständers (34) zu bewegen.
  6. Verpackungsmaschine nach Anspruch 5, wobei der zweite Antriebsmotor (39) fest mit der Basis (4) verbunden ist und die zweite Übertragungsvorrichtung (44) mechanisch ist.
  7. Verpackungsmaschine nach Anspruch 5 oder 6, wobei die zweite Übertragungsvorrichtung (44) einen Übertragungsring (41) umfasst, der drehbar mit der Basis (4) gekoppelt ist, sodass er sich um die Drehachse (8) dreht, mit einem vierten Kronenrad (40) versehen ist, das mit einem dritten Zahnrad gekoppelt ist, das von dem zweiten Antriebsmotor (39) betrieben wird, und ferner mit einem fünften Kronenrad (43) versehen ist, das koaxial zu der Drehachse (8) ist; und eine Übertragungsspindel (45), die mit dem ersten Ständer (34) drehbar gekoppelt ist, um sich um eine weitere Drehachse (46) parallel zur Drehachse (8) zu drehen, und die ferner mit dem fünften Kronenrad (43) durch Zwischenschaltung eines vierten Zahnrads (47) gekoppelt ist, das mit der Übertragungsspindel (45) einstückig ausgebildet ist.
  8. Verpackungsmaschine nach Anspruch 7, wobei der Tragschlitten (36) und die Übertragungsspindel (45) durch einen Schrauben-Mutter Schraubmechanismus miteinander verbunden sind.
  9. Verpackungsmaschine nach Anspruch 7 oder 8, soweit diese von einem der Ansprüche 2 bis 7 abhängen, und ferner umfassend eine elektronische Steuereinheit (48), die so konfiguriert ist, dass sie den ersten und den zweiten Antriebsmotor (26, 39) selektiv steuert, um den ersten Ständer (34) und den Übertragungsring (41) mit der gleichen Drehgeschwindigkeit oder mit unterschiedlichen Drehgeschwindigkeiten um die Drehachse (8) zu bewegen.
  10. Verpackungsmaschine nach einem der vorhergehenden Ansprüche, wobei der erste Ständer (34) einen Teil eines Trägers (33) bildet, der ferner einen zweiten Ständer (34), der im Wesentlichen parallel zur Drehachse (8) und diametral gegenüber dem ersten Ständer (34) in Bezug auf die erste Drehachse (8) angeordnet ist, und ein Querelement (35) umfasst, das die freien Enden des ersten und zweiten Ständers (34) miteinander verbindet.
EP21159772.9A 2020-02-28 2021-02-26 Wickelmaschine mit rotierender plattform Active EP3871986B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SM20230431T SMT202300431T1 (it) 2020-02-28 2021-02-26 Macchina avvolgitrice a piattaforma rotante
EP22161049.6A EP4029793A1 (de) 2020-02-28 2021-02-26 Umwicklungsmaschine mit einer drehplattform
EP22161047.0A EP4029792A1 (de) 2020-02-28 2021-02-26 Umwicklungsmaschine mit einer drehplattform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102020000004228A IT202000004228A1 (it) 2020-02-28 2020-02-28 Macchina avvolgitrice a piattaforma rotante

Related Child Applications (4)

Application Number Title Priority Date Filing Date
EP22161047.0A Division-Into EP4029792A1 (de) 2020-02-28 2021-02-26 Umwicklungsmaschine mit einer drehplattform
EP22161047.0A Division EP4029792A1 (de) 2020-02-28 2021-02-26 Umwicklungsmaschine mit einer drehplattform
EP22161049.6A Division EP4029793A1 (de) 2020-02-28 2021-02-26 Umwicklungsmaschine mit einer drehplattform
EP22161049.6A Division-Into EP4029793A1 (de) 2020-02-28 2021-02-26 Umwicklungsmaschine mit einer drehplattform

Publications (2)

Publication Number Publication Date
EP3871986A1 EP3871986A1 (de) 2021-09-01
EP3871986B1 true EP3871986B1 (de) 2023-09-13

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Family Applications (3)

Application Number Title Priority Date Filing Date
EP21159772.9A Active EP3871986B1 (de) 2020-02-28 2021-02-26 Wickelmaschine mit rotierender plattform
EP22161049.6A Withdrawn EP4029793A1 (de) 2020-02-28 2021-02-26 Umwicklungsmaschine mit einer drehplattform
EP22161047.0A Withdrawn EP4029792A1 (de) 2020-02-28 2021-02-26 Umwicklungsmaschine mit einer drehplattform

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP22161049.6A Withdrawn EP4029793A1 (de) 2020-02-28 2021-02-26 Umwicklungsmaschine mit einer drehplattform
EP22161047.0A Withdrawn EP4029792A1 (de) 2020-02-28 2021-02-26 Umwicklungsmaschine mit einer drehplattform

Country Status (3)

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EP (3) EP3871986B1 (de)
IT (1) IT202000004228A1 (de)
SM (1) SMT202300431T1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114214972A (zh) * 2021-12-20 2022-03-22 山西省交通建设工程质量检测中心（有限公司） 一种桥面水泥混凝土铺装层全自动更新设备及施工方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES502002A0 (es) * 1981-01-30 1982-12-16 Pieri Sauro & Rino Snc Perfeccionamientos en las maquinas para envolver automatica-mente pilas de fardos
DE3615450C2 (de) * 1986-05-07 1995-01-05 Ziegler Kerstin Vorrichtung zum Umwickeln von insbesondere stückigem Packgut mittels dehnfähiger Folie
EP0279871A1 (de) * 1987-02-21 1988-08-31 Cyklop International Ag Maschine zum Umwickeln von Packgut mit einer Streckfolienbahn
EP0399046A1 (de) * 1988-04-06 1990-11-28 MATSUMOTO Ryozo Vorrichtung zum umwickeln mit vordehnung des verwendeten folienbandes
DE69203223T2 (de) * 1992-03-09 1995-11-02 Robopac Sistemi Srl Vorrichtung zum Umhüllen von palettierten Gegenständen in eine Plastikfolie.
US6550222B2 (en) * 2000-11-02 2003-04-22 Lantech Management Corp. Method and apparatus for stretch wrapping a load, including a top platen
FR2842503B1 (fr) * 2002-07-17 2005-01-14 Itw Mima Systems Banderoleuse
IT201700058080A1 (it) * 2017-05-29 2018-11-29 Robopac Spa Macchina avvolgitrice a piattaforma rotante

Also Published As

Publication number Publication date
EP4029793A1 (de) 2022-07-20
SMT202300431T1 (it) 2024-01-10
IT202000004228A1 (it) 2021-08-28
EP3871986A1 (de) 2021-09-01
EP4029792A1 (de) 2022-07-20

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