WO2010140079A1 - A machine for capping containers - Google Patents

A machine for capping containers Download PDF

Info

Publication number
WO2010140079A1
WO2010140079A1 PCT/IB2010/052288 IB2010052288W WO2010140079A1 WO 2010140079 A1 WO2010140079 A1 WO 2010140079A1 IB 2010052288 W IB2010052288 W IB 2010052288W WO 2010140079 A1 WO2010140079 A1 WO 2010140079A1
Authority
WO
WIPO (PCT)
Prior art keywords
capping
conveyor
lids
containers
machine
Prior art date
Application number
PCT/IB2010/052288
Other languages
French (fr)
Inventor
Marco Carrara
Daniele Civolani
Mauro Varotto
Original Assignee
Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A.
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 Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A. filed Critical Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A.
Priority to CN2010800250280A priority Critical patent/CN102448869A/en
Priority to EP10727907A priority patent/EP2438000A1/en
Publication of WO2010140079A1 publication Critical patent/WO2010140079A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/22—Closing bottles, jars or similar containers by applying caps by applying snap-on caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/02—Closing bottles, jars or similar containers by applying caps by applying flanged caps, e.g. crown caps, and securing by deformation of flanges
    • B67B3/06—Feeding caps to capping heads

Definitions

  • the present invention relates to a machine for capping containers.
  • the present invention relates to a machine for closing containers with caps or lids of snap-fit design.
  • the prior art embraces capping machines of the type in question, comprising a conveyor furnished with pockets to accommodate the single containers and describing a looped path.
  • the capping operation occurs in two steps as the containers advance along the aforementioned path.
  • a lid is positioned by pick-up means on each of the containers in turn.
  • the lids are secured forcibly to the respective containers by capping units mounted to a wheel rotatable about a horizontal axis above the conveyor, of which the angular movement is synchronized with the linear movement of the conveyor.
  • capping units mounted to a wheel rotatable about a horizontal axis above the conveyor, of which the angular movement is synchronized with the linear movement of the conveyor.
  • Machines of this type are affected by certain drawbacks, being subject in particular to well-defined limits imposed on their operating speed due to the fact that the lids, resting freely on the containers, can become incorrectly positioned during the interval between the first and the second capping steps.
  • the object of the present invention is to provide a machine for capping containers that will be unaffected by the drawbacks mentioned in connection with the prior art.
  • FIG. 1 is an elevation view of the machine according to the present invention.
  • figure 2 is a plan view of the machine in figure 1;
  • figure 3 is an enlarged detail of the machine illustrated in figure 1.
  • numeral 1 denotes a machine, in its entirety, by which containers 2 of substantially cylindrical appearance with a neck, denoted 3, are closed with caps or lids 4 of snap-fit type.
  • the single lid 4 is provided internally with a restriction consisting in a ring, or ridge 5, which when coupled with the neck 3 of the container 2 will retain the lid 4 in the closed position.
  • the machine 1 comprises a horizontally disposed rectilinear belt conveyor 6 advancing continuously in the direction of the arrow F in the drawings and furnished with pockets 7 equispaced at a given pitch P, each designed to accommodate a single container 2.
  • the machine 1 further comprises a second rectilinear belt conveyor 8 positioned above and parallel with the first conveyor 6, which carries a continuous succession of lids 4 advancing in contact one with the next in the direction of the arrow F.
  • timing device Located downstream of the conveyor 8 is a timing device, denoted 9, comprising a star wheel 10 furnished with a plurality of peripheral slots 11 equispaced angularly at the aforementioned pitch P and set in rotation about a vertical axis 12, turning clockwise as viewed in figure 2.
  • the star wheel 10 occupies the same plane as the conveyor 8, and revolves substantially tangential thereto at an outfeed position denoted 13.
  • the timing device 9 further comprises a fixed circular sector 14 located beneath and aligned concentrically with the star wheel 10, which extends from the outfeed position 13 through an arc substantially of 270° to a transfer position denoted 15.
  • Numeral 16 denotes a capping wheel interposed between the timing device 9 and the first conveyor 6, set in rotation by actuator means (not illustrated) about a horizontal axis 17 transverse to the direction of the arrow F, and turning anticlockwise as viewed in figure 1.
  • the capping wheel 16 comprises a drum 18 presenting four peripheral pivots 19 disposed parallel to the horizontal axis 17, equispaced angularly about the selfsame wheel and carrying four substantially radial and angularly equispaced capping units 20.
  • each capping unit 20 consists in a cylindrical body 21 centred on an axis 22 transverse to the axis 17 of the wheel and connected to the relative pivot 19 by way of a further pivot 23, parallel to the axis 17, and a rod 24.
  • the axis 22 of the cylindrical body 21 is set at a given angle relative to the plane occupied by the axes of the two pivots 19 and 23.
  • the two pivots 19 and 23 and the rod 24 combine to constitute a toggle device 25 by way of which the cylindrical body 21 is connected to the drum 18.
  • the cylindrical body 21 comprises a cylindrical block 26 with a tubular end 27, ensheathed slidably by a pick-up head 28 serving to handle the lids 4, which in turn comprises a blind sleeve 29, and, associated rigidly with the bottom 30 of the sleeve, a disc 31 presenting a rim denoted 32.
  • the outer surface of the disc 31 and the cylindrical inner surface of the rim 32 function as a cup 33 designed to accommodate one lid 4.
  • the central area of the disc 31 presents a hole 34 connected by way of a duct 35, passing axially through the cylindrical body 21, with a source of negative pressure.
  • Numeral 36 denotes spring means housed within the tubular end 27 of the cylindrical block 26 and aligned on the axis 22 of the body 21, interposed between the bottom 30 of the sleeve 29 and an internal face 37 of the tubular end 27.
  • Such spring means 36 consist in a plurality of coaxially stacked belleville discs 38, or alternatively, a cylindrical coil spring (not illustrated).
  • the capping means 20 are caused by actuator means (not illustrated) to rock on the respective pivots 19 and 23 as the capping wheel 16 rotates.
  • lids 4 advancing on the second conveyor 8 arrive at the outfeed position 13 and are taken up singly by the star wheel slots 11, supported by the sector 14, spaced apart at a distance corresponding to the pitch P of the pockets 7 on the first conveyor 6.
  • each lid 4 Having passed along an arc substantially of 270° sliding on the circular sector 14, retained in the peripheral slots 11 by a fixed fence 39 aligned concentrically with the star wheel 10, each lid 4 in turn is released at the transfer position 15 into the cup 33 of a capping unit 20, and held therein by the force of suction.
  • the single capping unit 20 brings the relative Hd 4 gradually over the conveyor 6 and, induced to rock on the pivots 19 and 23 by the actuator means, draws into position with its axis 22 aligned vertically on the axis of a container 2 occupying a pocket 7 beneath.
  • the sleeve 20 is caused by the spring means 36 to exert a downward pressure on the lid 4 that increases in intensity as the conveyor 6 and the capping wheel 16 advance together.
  • the lid 4 is thus forced gradually onto the neck 3 of the container 2, and at the same time, the connection between the duct 35 and the source of negative pressure is shut off by valve means (not illustrated).
  • the capping unit 20 will move away from the conveyor 6 and back to the transfer position 15 to pick up another lid 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Jars (AREA)
  • Closing Of Containers (AREA)

Abstract

Containers (2) are capped with snap-fit lids (4) by a machine comprising a first feed conveyor (6) on which the containers (2) advance spaced apart at a given pitch P, and a second feed conveyor (8) supplying the lids (4), located above the first conveyor (6). Operating between the first and second conveyors (6, 8) are a timing device (9) rotatable about a vertical axis, serving to space the lids (4) apart at the same pitch P as the containers (2), and a capping wheel (16) rotatable about a horizontal axis (17), interposed between the timing device (9) and the first conveyor (6) and revolving substantially tangential to the first conveyor (6) at a capping position (40); the capping wheel (16) comprises a drum (18), and a plurality of capping units (20) mounted to the drum (18) by way of respective toggle devices (25).

Description

Description
A machine for capping containers
Technical Field
The present invention relates to a machine for capping containers.
In particular, the present invention relates to a machine for closing containers with caps or lids of snap-fit design.
Background Art
The prior art embraces capping machines of the type in question, comprising a conveyor furnished with pockets to accommodate the single containers and describing a looped path.
The capping operation occurs in two steps as the containers advance along the aforementioned path.
During the first step, a lid is positioned by pick-up means on each of the containers in turn.
During the second step, the lids are secured forcibly to the respective containers by capping units mounted to a wheel rotatable about a horizontal axis above the conveyor, of which the angular movement is synchronized with the linear movement of the conveyor. Machines of this type are affected by certain drawbacks, being subject in particular to well-defined limits imposed on their operating speed due to the fact that the lids, resting freely on the containers, can become incorrectly positioned during the interval between the first and the second capping steps.
In addition, such machines tend to be complex, bulky and expensive.
Disclosure of the Invention Accordingly, the object of the present invention is to provide a machine for capping containers that will be unaffected by the drawbacks mentioned in connection with the prior art.
The stated object is realized, according to the present invention, in a capping machine as recited in one or more of the appended claims.
Brief Description of the Drawings
The invention will now be described in detail, by way of example, with the aid of the accompanying drawings, in which:
- figure 1 is an elevation view of the machine according to the present invention;
- figure 2 is a plan view of the machine in figure 1;
- figure 3 is an enlarged detail of the machine illustrated in figure 1.
Detailed description of the preferred embodiments With reference to figures 1 and 2, numeral 1 denotes a machine, in its entirety, by which containers 2 of substantially cylindrical appearance with a neck, denoted 3, are closed with caps or lids 4 of snap-fit type.
The single lid 4 is provided internally with a restriction consisting in a ring, or ridge 5, which when coupled with the neck 3 of the container 2 will retain the lid 4 in the closed position.
The machine 1 comprises a horizontally disposed rectilinear belt conveyor 6 advancing continuously in the direction of the arrow F in the drawings and furnished with pockets 7 equispaced at a given pitch P, each designed to accommodate a single container 2. The machine 1 further comprises a second rectilinear belt conveyor 8 positioned above and parallel with the first conveyor 6, which carries a continuous succession of lids 4 advancing in contact one with the next in the direction of the arrow F.
Located downstream of the conveyor 8 is a timing device, denoted 9, comprising a star wheel 10 furnished with a plurality of peripheral slots 11 equispaced angularly at the aforementioned pitch P and set in rotation about a vertical axis 12, turning clockwise as viewed in figure 2.
The star wheel 10 occupies the same plane as the conveyor 8, and revolves substantially tangential thereto at an outfeed position denoted 13.
The timing device 9 further comprises a fixed circular sector 14 located beneath and aligned concentrically with the star wheel 10, which extends from the outfeed position 13 through an arc substantially of 270° to a transfer position denoted 15.
Numeral 16 denotes a capping wheel interposed between the timing device 9 and the first conveyor 6, set in rotation by actuator means (not illustrated) about a horizontal axis 17 transverse to the direction of the arrow F, and turning anticlockwise as viewed in figure 1.
The capping wheel 16 comprises a drum 18 presenting four peripheral pivots 19 disposed parallel to the horizontal axis 17, equispaced angularly about the selfsame wheel and carrying four substantially radial and angularly equispaced capping units 20.
Referring in particular to figure 3, each capping unit 20 consists in a cylindrical body 21 centred on an axis 22 transverse to the axis 17 of the wheel and connected to the relative pivot 19 by way of a further pivot 23, parallel to the axis 17, and a rod 24. The axis 22 of the cylindrical body 21 is set at a given angle relative to the plane occupied by the axes of the two pivots 19 and 23.
The two pivots 19 and 23 and the rod 24 combine to constitute a toggle device 25 by way of which the cylindrical body 21 is connected to the drum 18.
The cylindrical body 21 comprises a cylindrical block 26 with a tubular end 27, ensheathed slidably by a pick-up head 28 serving to handle the lids 4, which in turn comprises a blind sleeve 29, and, associated rigidly with the bottom 30 of the sleeve, a disc 31 presenting a rim denoted 32.
The outer surface of the disc 31 and the cylindrical inner surface of the rim 32 function as a cup 33 designed to accommodate one lid 4. The central area of the disc 31 presents a hole 34 connected by way of a duct 35, passing axially through the cylindrical body 21, with a source of negative pressure.
Numeral 36 denotes spring means housed within the tubular end 27 of the cylindrical block 26 and aligned on the axis 22 of the body 21, interposed between the bottom 30 of the sleeve 29 and an internal face 37 of the tubular end 27.
Such spring means 36 consist in a plurality of coaxially stacked belleville discs 38, or alternatively, a cylindrical coil spring (not illustrated).
The capping means 20 are caused by actuator means (not illustrated) to rock on the respective pivots 19 and 23 as the capping wheel 16 rotates.
In operation, lids 4 advancing on the second conveyor 8 arrive at the outfeed position 13 and are taken up singly by the star wheel slots 11, supported by the sector 14, spaced apart at a distance corresponding to the pitch P of the pockets 7 on the first conveyor 6. Having passed along an arc substantially of 270° sliding on the circular sector 14, retained in the peripheral slots 11 by a fixed fence 39 aligned concentrically with the star wheel 10, each lid 4 in turn is released at the transfer position 15 into the cup 33 of a capping unit 20, and held therein by the force of suction. On arrival at a capping position 40 diametrally opposite the transfer position
15, the single capping unit 20 brings the relative Hd 4 gradually over the conveyor 6 and, induced to rock on the pivots 19 and 23 by the actuator means, draws into position with its axis 22 aligned vertically on the axis of a container 2 occupying a pocket 7 beneath. With the capping unit 20 maintained by the toggle device 25 in this position of coaxial alignment relative to the container 2, the sleeve 20 is caused by the spring means 36 to exert a downward pressure on the lid 4 that increases in intensity as the conveyor 6 and the capping wheel 16 advance together.
The lid 4 is thus forced gradually onto the neck 3 of the container 2, and at the same time, the connection between the duct 35 and the source of negative pressure is shut off by valve means (not illustrated).
Once the capping step is completed, that is to say, with the ridge 5 and the neck 3 interlocked and the mouth of the container in contact with the inside face of the lid 4, the capping unit 20 will move away from the conveyor 6 and back to the transfer position 15 to pick up another lid 4.

Claims

Claims
1) A capping machine for closing containers (2) with snap-fit caps or lids (4), comprising:
- a first feed conveyor (6) on which containers (2) advance spaced apart at a predetermined pitch P;
- a second feed conveyor (8) located above the first conveyor (6) and supplying the lids (4), characterized in that it comprises a timing device (9) interposed between the first conveyor (6) and the second conveyor (8), by which the lids (4) are spaced apart at the same pitch P as the containers, and a capping wheel (16) rotatable about a horizontal axis (17), interposed between the timing device (9) and the first conveyor (6) and revolving substantially tangential to the first conveyor (6) at a capping position (40).
2) A capping machine as in claim 1, wherein the capping wheel (16) comprises a drum (18), and a plurality of capping units (20) mounted to the drum (18) by way of respective toggle devices (25).
3) A capping machine as in claim 2, wherein each capping unit (20) comprises a cylindrical body (21) and a pick-up head (28) designed to retain a single lid (4), mounted slidably on the cylindrical body (21) in conjunction with interposed spring means (36).
4) A capping machine as in claim 3, wherein a free end of the pick-up head (28) presents a cup (33), connected by way of a duct (35) with a source of negative pressure and designed to accommodate a single lid (4). 5) A capping machine as in any one of the preceding claims, wherein the timing device (9) comprises a star wheel (10) rotatable about a vertical axis
(12) and presenting peripheral slots (7) movable between an outfeed position
(13) at the end of the second conveyor (8) and a transfer position (15) at which the lids are taken up onto the capping wheel (16).
6) A capping machine as in any one of the preceding claims, wherein the second conveyor is substantially rectilinear.
PCT/IB2010/052288 2009-06-05 2010-05-24 A machine for capping containers WO2010140079A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2010800250280A CN102448869A (en) 2009-06-05 2010-05-24 A machine for capping containers
EP10727907A EP2438000A1 (en) 2009-06-05 2010-05-24 A machine for capping containers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO2009A000363 2009-06-05
ITBO2009A000363A IT1396856B1 (en) 2009-06-05 2009-06-05 CONTAINER CAPPING MACHINE

Publications (1)

Publication Number Publication Date
WO2010140079A1 true WO2010140079A1 (en) 2010-12-09

Family

ID=42030828

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2010/052288 WO2010140079A1 (en) 2009-06-05 2010-05-24 A machine for capping containers

Country Status (4)

Country Link
EP (1) EP2438000A1 (en)
CN (1) CN102448869A (en)
IT (1) IT1396856B1 (en)
WO (1) WO2010140079A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103979473A (en) * 2014-05-30 2014-08-13 湖南千山制药机械股份有限公司 Device for conveying sealing elements
CN105060211A (en) * 2015-07-16 2015-11-18 苏州金牛精密机械有限公司 Automatic feeding assembly equipment used for assembling bottle workpieces
WO2015197053A1 (en) * 2014-06-26 2015-12-30 Morlo Gesellschaft Mit Beschränkter Haftung Device and method for attaching a closure cap to a substantially cylindrical vessel
CN109131980A (en) * 2018-09-30 2019-01-04 温州市剑峰文具有限公司 A kind of box body transmission package system of full automatic pencil core bottle placer
IT201900001725A1 (en) * 2019-02-06 2020-08-06 Ima Spa MACHINE AND PROCEDURE FOR AUTOMATICALLY CAPPING CONTAINERS, AND PACKAGING LINE INCLUDING THIS MACHINE.
IT201900007527A1 (en) * 2019-05-29 2020-11-29 Co M A N S R L Positioner of caps on containers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110451226B (en) * 2017-07-03 2020-11-06 浦江拉布拉多工业产品设计有限公司 Working method of upper cover mechanism

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DE2757002A1 (en) * 1977-12-21 1979-07-05 Bosch Gmbh Robert Flanged stopper insertion machine in bottles - has rotary support with transport units containing ejector punches above conveyor
DE19727942A1 (en) * 1997-07-01 1999-01-07 Gea Finnah Gmbh Machine and method for closing bottles with caps
WO2009044338A2 (en) * 2007-10-01 2009-04-09 Romaco S.R.L. Device for capping containers in a filling machine

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JP2520185B2 (en) * 1990-06-05 1996-07-31 日立造船産業株式会社 Parts supply guide device
DE102006019441B4 (en) * 2006-04-24 2013-06-20 Khs Gmbh Method and device for printing on containers
CN100567137C (en) * 2007-03-16 2009-12-09 海南大学 Inferior beer recovering machine

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Publication number Priority date Publication date Assignee Title
DE2757002A1 (en) * 1977-12-21 1979-07-05 Bosch Gmbh Robert Flanged stopper insertion machine in bottles - has rotary support with transport units containing ejector punches above conveyor
DE19727942A1 (en) * 1997-07-01 1999-01-07 Gea Finnah Gmbh Machine and method for closing bottles with caps
WO2009044338A2 (en) * 2007-10-01 2009-04-09 Romaco S.R.L. Device for capping containers in a filling machine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103979473A (en) * 2014-05-30 2014-08-13 湖南千山制药机械股份有限公司 Device for conveying sealing elements
WO2015197053A1 (en) * 2014-06-26 2015-12-30 Morlo Gesellschaft Mit Beschränkter Haftung Device and method for attaching a closure cap to a substantially cylindrical vessel
CN105060211A (en) * 2015-07-16 2015-11-18 苏州金牛精密机械有限公司 Automatic feeding assembly equipment used for assembling bottle workpieces
CN109131980A (en) * 2018-09-30 2019-01-04 温州市剑峰文具有限公司 A kind of box body transmission package system of full automatic pencil core bottle placer
IT201900001725A1 (en) * 2019-02-06 2020-08-06 Ima Spa MACHINE AND PROCEDURE FOR AUTOMATICALLY CAPPING CONTAINERS, AND PACKAGING LINE INCLUDING THIS MACHINE.
WO2020161759A1 (en) * 2019-02-06 2020-08-13 I.M.A. Industria Macchine Automatiche S.P.A. Machine and method for automatically capping containers, and packaging line comprising said machine
IT201900007527A1 (en) * 2019-05-29 2020-11-29 Co M A N S R L Positioner of caps on containers
EP3747828A1 (en) * 2019-05-29 2020-12-09 CO.M.A.N. S.r.l. Device for applying caps

Also Published As

Publication number Publication date
CN102448869A (en) 2012-05-09
IT1396856B1 (en) 2012-12-20
EP2438000A1 (en) 2012-04-11
ITBO20090363A1 (en) 2010-12-06

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