EP3560844A1 - Machine d'emballage à grille chauffante - Google Patents

Machine d'emballage à grille chauffante Download PDF

Info

Publication number: EP3560844A1
Authority: EP; European Patent Office
Prior art keywords: packaging machine; grid; machine according; chamber; suction opening
Prior art date: 2018-04-27
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.): Granted

Application number

EP18169828.3A

Other languages

German (de)

English (en)

Other versions

EP3560844B1 (fr

Inventor

Rainer Häring

Maximilian Brunner

Florian FRÜHSAMMER

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.)

Multivac Sepp Haggenmueller GmbH and Co KG

Original Assignee

Multivac Sepp Haggenmueller GmbH and Co KG

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.)

2018-04-27

Filing date

2018-04-27

Publication date

2019-10-30

2018-04-27 Application filed by Multivac Sepp Haggenmueller GmbH and Co KG filed Critical Multivac Sepp Haggenmueller GmbH and Co KG

2018-04-27 Priority to EP18169828.3A priority Critical patent/EP3560844B1/fr

2018-04-27 Priority to ES18169828T priority patent/ES2872970T3/es

2019-04-25 Priority to CN201920578578.3U priority patent/CN210116681U/zh

2019-04-26 Priority to US16/395,724 priority patent/US11254458B2/en

2019-10-30 Publication of EP3560844A1 publication Critical patent/EP3560844A1/fr

2021-02-24 Application granted granted Critical

2021-02-24 Publication of EP3560844B1 publication Critical patent/EP3560844B1/fr

Status Active legal-status Critical Current

2038-04-27 Anticipated expiration legal-status Critical

Images

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
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
- B65B31/024—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for wrappers or bags

Definitions

the present invention relates to a packaging machine for packaging products under vacuum.
Packaging machines which evacuate a product packaging with a product therein and then seal.
a vacuum is generated in an otherwise gas-tight sealed chamber by the air is sucked out of the chamber by means of a suction device.
a suitably formed in the chamber bottom suction opening serves as an air outlet.
the packaging machine may be designed as a single device, into which the product packaging is manually inserted, or as part of an automated production line, in which the product packaging is transported by means of a conveyor belt into the packaging machine.
Such a packaging machine is from the EP 2 110 321 B1 known.
a disadvantage of such packaging machines is that when sucking the air from the chamber at the suction due to the cross-sectional constriction to a local increase in the flow rate and thus a decrease in the static pressure with simultaneous decrease in temperature. This effect often leads to icing of the suction opening.
the object of the invention is to provide a packaging machine in which an operation of the machine is improved.
a suction opening ie in the region of the suction opening
an electrically heatable grid is arranged to heat the suction opening when evacuating the chamber.
the grid is arranged in or above the suction opening.
the heat radiation of the grid can heat the edges of the suction opening, which also contributes to the desired effect, namely the prevention of ice formation.
the grid is mounted on an electrically insulating frame. Since the grid itself flows through current and is usually not covered with insulation, it can still be mounted on the chamber bottom or the edges of the suction opening.
the chamber floor, in which the suction opening is formed, is usually made of a metal, for example stainless steel, for reasons of hygiene and stability.
the frame is substantially flush with the bottom of the chamber and completely surrounds the suction opening, so that all evacuated air flows through the grid.
the device exhibits its greatest possible efficiency, since only air reaches the suction opening, which has flowed through the heated grid.
the grid is fixed at a first and a second end with projecting through the chamber bottom, vacuum-sealed built pins.
the contact pins serve to mechanically fix the grid and the insulating frame on the chamber floor, so that all three components lie flush against each other and an air passage between the surfaces with which they are prevented from each other.
the attachment can be done via screw, wherein the grid and the insulating frame each have holes or recesses can be inserted through a screw and then screwed with an internal thread in the contact pin. So the connection is also solvable again and the components can be replaced if necessary.
a power supply for supplying the grid with about 80 to 800 watts of electrical power, preferably 400 to 600 watts, provided. Due to the size and geometry of the grid, there is sufficient electrical power available for this To resist the resistance of the grid. Thus, sufficient electrical current also flows through the lateral regions from the first to the second end of the grid.
the contact pins make an electrical connection of the grid with the power supply, wherein the contact pins are electrically insulated from the bottom of the chamber.
the contact pins for example, a core of electrically conductive material and a sheath of electrically insulating material.
the power supply has a regularly recurring duty cycle of approximately 0.5 to 1.5 s.
the required heating power is available within a short time and it is sufficient to turn on the power supply of the grid only just this time before the evacuation process and meanwhile. After completion of the evacuation, the power can be switched off again.
the power consumption is limited to the necessary minimum, but does not affect the cycle times of the packaging machine.
the grid is made of an electrically conductive and approved for the food industry material, especially stainless steel. Due to its conductivity, the material is therefore suitable for resistance heating, but does not release any substances to the environment as a result of the heating. Thus, an impairment of the products to be packaged is excluded.
the grid has a length of about 50 to 120 mm and a width of about 20 to 80 mm.
the lattice dimensions primarily depend on the size of the suction opening and, if necessary, slightly exceed it in order to completely span the suction opening.
the grid and the insulating frame may, for example, have a substantially rectangular shape with a longer and a shorter side.
the contact pins are usually arranged on the short sides.
the grid has webs which in particular have a width and a height of about 0.5 to 1.5 mm.
the dimensions of the webs are chosen so that they experience a heating due to their resistance with the best possible efficiency when applying a suitable electrical voltage.
the webs at a distance of about 8 to 10 mm from each other. This ensures that the air flow through the suction opening is not reduced by the grid.
the packaging machine is a chamber belt machine. It is thus part of an automated production line and the product packages to be evacuated are conveyed by means of a conveyor belt to the chamber to be evacuated and sealed there. This allows high cycle times without manual intervention and thus high product output.
FIG. 1 shows a packaging machine 1 in the form of a chamber belt machine with a vertically displaceable lid 3 and a chamber bottom 5. If the lid 3 is lowered onto the chamber bottom 5, a chamber 7 is formed, which closes gas-tight between the lid 3 and chamber bottom 5.
two suction openings 9 are formed in the chamber bottom 5, above each of which a heatable grid 11 is arranged.
the chamber 7 is evacuated.
the product packages to be evacuated are transported on a conveyor belt 13 into the chamber 7.
the ends of a product packaging can be guided over a sealing strip 15 so that the product packaging can be permanently closed by forming a vacuum in the chamber 7 by a heat seal.
FIG. 2 shows the heatable grid 11, which is arranged on an insulating frame 17.
the grid 11 has webs 19, which extend in the longitudinal and transverse directions. According to the dimensions described above, the grid 11 has a length L and a width B.
the webs 19 have a height H, a width B1 and a distance A from each other.
a first and a second solid end 21, 23 are formed in a triangular shape.
the two ends 21, 23 are each screwed by means of a screw 25 to the frame 17 and a respective contact pin 27.
the contact pins 27 are clamped against the chamber bottom 7, so that the frame 17 rests flush on the chamber bottom 7.
Spacers 31 are used to adapt to different thicknesses chamber bottoms 5.
the frame 17 has on its short sides a massively formed first and second ends 33, 35. As a result, a stable screw connection with the contact pins 27 is ensured. On its long sides, however, the grid 11 rests only on a relatively narrow side wall of the frame 17.
the first and second ends 33, 35 of the insulating frame 17 each have at their top a bevel, which makes it possible to mount the contact pins 27 with a corresponding inclination. Matching the slope of the first and second ends 22, 35 of the insulating frame 17, the first and second ends 21, 23 of the grid 11 are bent upwards.
the contact pins 27 for mounting for example, the tightening of the nuts 29, also adjacent to a suction well accessible.
FIG. 3 shows a section through the suction opening 9 arranged thereon with heatable grid 11 and a part of a suction device 37.
the grid 11 is mounted on the frame 17 and thus electrically insulated from the chamber bottom 5.
the frame 17 is flush with the chamber bottom 5, so that only air which has flowed through the grid 11 and thus was heated, reaches the suction opening 9.
the contact pins 27 have an electrically conductive inner part 39 and an inner part 39 surrounding insulation 41.
a bore 43 is provided with an internal thread into which the screw 25 is screwed to connect the grid 11 and the frame 17 with the contact pin 27.
the electrically conductive inner part 39 expediently power supply lines 45 are connected, for example by soldering, welding or screwing.
a power supply 47 for example a transformer, provides the required electrical energy
the suction device 37 comprises an air channel 49 through which the air is sucked out of the chamber 5 by means of a vacuum pump (not shown).
a piston 53 is arranged in a cylinder-like guide 51, which can be moved up and down and closes the suction opening 9 accurately in an uppermost position.
the grid 11 and the frame 17 can be extended in their longitudinal extent, so that the contact pins 17 can be oriented substantially perpendicular to the chamber bottom 5 and the assembly, in particular the tightening of the nuts 29, nevertheless possible.
an inclination of the first and second ends 21, 23 of the grid 11 and the first and second ends 33, 35 of the frame 17 can be dispensed with.
the first and second ends 21, 23 of the grid 11 and the first and second ends 33, 35 of the frame 17, ie the solid sections could be increased accordingly so that the area of the grid 11 through which the air flows remains unchanged in size.
the suction openings 9 are arranged in the chamber bottom 5, it is also possible, the suction openings 9 at other suitable locations of the chamber 7, for example at the top or side surfaces of the lid. 3 to train.
the lid 3 may be hinged to a hinge on the chamber bottom 5 and a frame of the packaging machine 1 and opened and closed by opening and closing instead of by a vertical displacement.
the lattice 11 instead of intersecting ridges 19, can also have these in a different orientation to one another, for example parallel along only one direction.
the webs 19 can be completely dispensed with, so that the grid 11, preferably in dependence on the shape of the suction opening 9, is essentially a resistance-heated frame or ring, which in particular heats the edge of the suction opening 9, so that ice formation is prevented there ,

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Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Vacuum Packaging (AREA)

EP18169828.3A 2018-04-27 2018-04-27 Machine d'emballage à grille chauffante Active EP3560844B1 (fr)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
EP18169828.3A EP3560844B1 (fr)	2018-04-27	2018-04-27	Machine d'emballage à grille chauffante
ES18169828T ES2872970T3 (es)	2018-04-27	2018-04-27	Máquina envasadora con rejilla calentada
CN201920578578.3U CN210116681U (zh)	2018-04-27	2019-04-25	包装机
US16/395,724 US11254458B2 (en)	2018-04-27	2019-04-26	Packaging machine with heated grid

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP18169828.3A EP3560844B1 (fr)	2018-04-27	2018-04-27	Machine d'emballage à grille chauffante

Publications (2)

Publication Number	Publication Date
EP3560844A1 true EP3560844A1 (fr)	2019-10-30
EP3560844B1 EP3560844B1 (fr)	2021-02-24

Family

ID=62089626

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18169828.3A Active EP3560844B1 (fr)	2018-04-27	2018-04-27	Machine d'emballage à grille chauffante

Country Status (4)

Country	Link
US (1)	US11254458B2 (fr)
EP (1)	EP3560844B1 (fr)
CN (1)	CN210116681U (fr)
ES (1)	ES2872970T3 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5533341A (en) *	1995-06-07	1996-07-09	Air Liquide America Corporation	Apparatus and method for producing and injecting sterile cryogenic liquids
US6519919B1 (en) *	1998-04-17	2003-02-18	Toyo Seikan Kaisha, Ltd.	Method and apparatus for manufacturing pressurized packaging body
EP2110321B1 (fr)	2008-04-18	2012-01-04	MULTIVAC Sepp Haggenmüller GmbH & Co KG	Machine d'emballage et procédé d'emballage de produits dans des sacs
DE102015002421A1 (de) *	2015-02-26	2016-09-01	Zeo-Tech Zeolith-Technologie Gmbh	Vakuum-Gerät mit Sorptionsmittel-Patrone
EP3162718A1 (fr) *	2015-10-15	2017-05-03	MICHATEK, k.s.	Vakuumschublade zum vakuumieren von lebensmitteln

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IE51047B1 (en) *	1980-06-25	1986-09-17	Grace W R & Co	Packaging process and apparatus
KR101041689B1 (ko) *	2002-12-20	2011-06-14	시일드 에어 (뉴질랜드)	진공 패키징 기계
US6862867B2 (en) *	2003-01-16	2005-03-08	Pack-Tech, L.L.C.	Bag sealing system and method
DE102016123569A1 (de) *	2016-12-06	2018-06-07	Multivac Sepp Haggenmüller Se & Co. Kg	Schalenverschließmaschine

2018
- 2018-04-27 ES ES18169828T patent/ES2872970T3/es active Active
- 2018-04-27 EP EP18169828.3A patent/EP3560844B1/fr active Active
2019
- 2019-04-25 CN CN201920578578.3U patent/CN210116681U/zh active Active
- 2019-04-26 US US16/395,724 patent/US11254458B2/en active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5533341A (en) *	1995-06-07	1996-07-09	Air Liquide America Corporation	Apparatus and method for producing and injecting sterile cryogenic liquids
US6519919B1 (en) *	1998-04-17	2003-02-18	Toyo Seikan Kaisha, Ltd.	Method and apparatus for manufacturing pressurized packaging body
EP2110321B1 (fr)	2008-04-18	2012-01-04	MULTIVAC Sepp Haggenmüller GmbH & Co KG	Machine d'emballage et procédé d'emballage de produits dans des sacs
DE102015002421A1 (de) *	2015-02-26	2016-09-01	Zeo-Tech Zeolith-Technologie Gmbh	Vakuum-Gerät mit Sorptionsmittel-Patrone
EP3162718A1 (fr) *	2015-10-15	2017-05-03	MICHATEK, k.s.	Vakuumschublade zum vakuumieren von lebensmitteln

Also Published As

Publication number	Publication date
ES2872970T3 (es)	2021-11-03
CN210116681U (zh)	2020-02-28
US11254458B2 (en)	2022-02-22
EP3560844B1 (fr)	2021-02-24
US20190329919A1 (en)	2019-10-31

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EP3573425A1 (fr)	2019-11-27	Procédé de fabrication d'un dispositif de chauffage et dispositif de chauffage correspondant
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WO2021099018A1 (fr)	2021-05-27	Grille d'entrée pour centrale hydrélectrique

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