EP0706478A1 - Machine d'emballage sous vide - Google Patents

Machine d'emballage sous vide

Info

Publication number
EP0706478A1
EP0706478A1 EP95915730A EP95915730A EP0706478A1 EP 0706478 A1 EP0706478 A1 EP 0706478A1 EP 95915730 A EP95915730 A EP 95915730A EP 95915730 A EP95915730 A EP 95915730A EP 0706478 A1 EP0706478 A1 EP 0706478A1
Authority
EP
European Patent Office
Prior art keywords
cover
chamber
base
packaging machine
arm
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.)
Withdrawn
Application number
EP95915730A
Other languages
German (de)
English (en)
Inventor
Vreny Liechti
Bruno Landolt
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.)
Inauen Maschinen AG
Original Assignee
Inauen Maschinen AG
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 Inauen Maschinen AG filed Critical Inauen Maschinen AG
Publication of EP0706478A1 publication Critical patent/EP0706478A1/fr
Withdrawn legal-status Critical Current

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
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
    • B65B7/164—Securing by heat-sealing
    • 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
    • B65B31/021—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 the containers or wrappers being interconnected
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/005—Safety-devices

Definitions

  • the present invention relates to a vacuum packaging machine with a base and with a cover, the cover being removable relative to the base.
  • a previously known vacuum packaging machine of this type has a vacuum chamber for treating goods to be packaged, the vacuum chamber being arranged in the region of the transition from the cover to the base.
  • This chamber comprises an upper part and a lower part, the upper part being assigned to the machine cover and the lower part being assigned to the machine substructure.
  • the lid is pivotally connected to the machine base with the aid of hinges.
  • the floor plan of the vacuum chamber should be as large as possible so that as many items as possible can be treated in this chamber at the same time. For several reasons, efforts are being made to keep the floor plan of the machine base as small as possible. The consequence of this is that the hinges on the substructure are located close to the rear wall of the vacuum chamber.
  • the face of the lid is usually provided with at least one handle.
  • the operator opens and closes the machine and thus also the vacuum chamber.
  • the cover In this vacuum packaging machine, the cover is in its dersel ⁇ ben • open position at an angle to the top side of the substructure, which is smaller than 90 degrees.
  • the interior of the lower chamber part, in particular in the area of the rear wall of this vacuum chamber, is therefore difficult to access, which makes loading and unloading of the vacuum chamber difficult.
  • the object of the present invention is to provide a vacuum packaging machine which does not have the disadvantages mentioned or any other.
  • FIG. 1 shows a front view of a first type of the present vacuum packaging machine when it is open
  • FIG. 2 shows the machine from FIG. 1 in a vertical section, this section being perpendicular to the front wall of the machine
  • Fig. 5 in a vertical section a part from another type of vacuum packaging machine.
  • FIG. 1 shows a front view of a first type of the present vacuum packaging machine when it is open.
  • FIG. 2 shows the machine from FIG. 1 in a vertical section, with this section being made perpendicular to the front wall of the machine.
  • Fig. 3 this machine is shown in a vertical section when the machine is closed.
  • the vacuum packaging machine comprises a substructure 1 and a cover 2, which can be moved relative to the substructure 1.
  • the substructure 1 has a body 40 which is provided with feet 41. These feet 41 are at the bottom of the floor 42 of this body 40 attached.
  • the body 40 also has side walls 43, 44, 45 and 46 and a top or top 47.
  • the front side wall 46 is provided with a box 48 which carries or contains the means for operating the machine.
  • the cover 2 is attached to the substructure 1 in such a way that the movement or the path of movement of the cover 2 has two components in relation to the substructure 1. These movement components follow one another and, in addition, they partially overlap.
  • a translatory movement represents the first movement component of the cover 2.
  • a pivoting movement represents the second movement component of the machine cover 2.
  • the beginning of the first movement component or the beginning of the corresponding movement path of the cover 2 is connected to the top 47 of the Substructure body 40 where the cover movement is a practically pure straight-line movement.
  • the end section of the second movement component is a practically pure swivel movement and this end section lies at the end of the movement path of the cover 2 that is distant from the body 40.
  • the vacuum packaging machine also comprises a vacuum chamber 3, which is arranged in the area where the cover 2 meets the substructure 1.
  • the vacuum chamber 3 is composed of an upper part 4 and a lower part 5, these Chamber parts 4 and 5 are open on one side. The mouths of these chamber parts 4 and 5 are brought to rest on one another when the machine is closed.
  • the chamber upper part 4 is arranged in the area of the underside or the mouth of the cover 2 and it contains a heating plate 19. This heating plate 19 runs practically parallel to the bottom 39 of the upper chamber part 4.
  • the lower chamber part 5 is in the upper side 47 of the Substructure 1 arranged retractable.
  • the mouth of the respective chamber part 4 or 5 delimiting edges on the side walls 34 and 35 of this chamber part 4 and 5 are arranged and designed in such a way that they can lie airtight on one another when the machine and thus also the chamber 3 are closed .
  • the vacuum chamber 3 is provided with a nozzle 6 to which a vacuum device (not shown) of a type known per se is connected in a manner known per se.
  • a vacuum device (not shown) of a type known per se is connected in a manner known per se.
  • a table 7 (FIG. 3) which is attached to a lifting cylinder 8.
  • This lifting cylinder 8 passes through the bottom 38 of the chamber sub les 5 and with the help of this lifting cylinder or cylinder 8 the table 7 can be moved back and forth in the vertical direction.
  • the machine cover 2 has a practically plate-shaped base body 10 and arms 11 and 12.
  • the base body 10 is essentially square.
  • the arms 11 and 12 are firmly connected at one end to one of the sides of the plate base body 10.
  • the end portions of the respective arm 11 or 12 are located in one of the corner areas of the named side of the base body 10.
  • the cover base body 10 projects from the cover arms 11 and 12 practically at right angles.
  • the Kaschi nendecke l 2 also has a hood 13, which covers the base body 10 together with the attached to this base body 10 constituent parts of the cover 2.
  • the hood 13 has a base 37 and side walls 36 which hang from the hood base 37.
  • the lower edges 14 of the hood side walls 36 are lower than the lower edges 15 of the side walls 34 of the chamber upper part 4.
  • the hood 13 is movably mounted on the cover base body 10 in such a way that it can move perpendicular to the plane of the base body 10 .
  • the top of the cover base body 10 is provided with means 16 which support the hood 13 cushioned. These means 16 are located at least in every corner of the base body 10 and thus also the hood 13.
  • the means 16 shown in the drawings for supporting the hood 13 comprise bushes 17, the bottom of which is fastened to the top of the cover base body 10.
  • switches 49 are arranged, which are connected in the control circuits of the packaging machine such that a further downward movement of the cover 2 is stopped when the lower edge 14 at least one of the hood side walls 36 on Obstacle. Consequently, the hood 13 can serve not only as protection of the cover parts but also as operating or hand protection. This is because the hood 13 can prevent the operator's hand from being pinched between the opposite edges of the side walls 34 and 35 of the chamber parts 4 and 5.
  • the machine base 1 is equipped with a device 20 for guiding the machine cover 2 relative to the machine base 1.
  • This guide device 20 comprises rollers 21, one of which is rotatably mounted on one of the opposing side walls 43 and 44 of the body 40 of the machine substructure 1. These rollers 21 are arranged in the vicinity of the rear wall 45 of the substructure 1 and in the illustrated case, these rollers 21 protrude from the inside of the side walls 43 and 44.
  • the respective cover arm 11 or 12 has one U- or C-shaped Q uer4.000. Inside the respective cover arm 11 or 12 there is one of the guide rollers 21, so that the respective cover arm 11 or 12 is in engagement with one of the rollers 21. This engagement is such that the cover arm 11 or 12 is pivotable about the guide roller 21 and at the same time is also displaceable in its longitudinal direction.
  • the end of the cover arm 11 or 12 facing away from the cover base body 10 is connected to a drive device 25.
  • This drive device 25 includes, among other things, one-armed swivel levers 26, one of which is assigned to one of the cover levers 11 and 12, respectively.
  • One end 28 of this pivot lever 26 is articulated on the substructure 1, specifically in the area of the bottom 42 of the body 40.
  • the other end 27 of the pivot lever 26 is articulated on the free end of the cover arm 11 or 12.
  • the drive device 25 further comprises double-acting lifting cylinders 30.
  • the free end of the lifting rod 31 of the respective cover Izy linders 30 is articulated on the pivot lever 26 between the end parts 27 and 28 of the same.
  • FIG. 2 shows this drive device 25 in a first of its end positions and FIG. 3 shows this device 25 in FIG other of their end positions.
  • the machine can also have only a single blanket Izy li nde r 30. In such a case a rod (not shown) is provided which connects the pivoting levers 26 to one another. The lifting rod 31 of the cover cylinder 30 then acts on the connecting rod.
  • the lower end of the cover lever 11 or 12 is also increasingly removed from the rear wall 45.
  • the lid lever 11 or 12 begins to pivot or tilt the roller 21.
  • the cover lever 11 or 12 is practically only or at least predominantly tilted or pivoted about the guide roller 21.
  • Fig. 2 shows the lid 2 in its upper, extended and inclined position. Thanks to the fact that the Cover 2 has also carried out a translational and upward movement during the opening of the machine, the cover 2 is located at a considerable distance from the upper side 47 of the substructure 1. Consequently, all areas of the lower part 5 of the vacuum chamber 3 are very large easily accessible.
  • a plastic film is used, which is placed over the top of the respective container. Thereafter, the chamber 3 is evacuated and the table 7 is raised with the help of the mechanical cylinder 8 so that the film is clamped between the upper edge of the respective container and the heating plate 19. Due to the heat radiated by the heating plate 19, the film is welded onto the upper edge of the container and the goods are thus packed airtight in the container.
  • This device 50 has a device 50 for the automatic feeding of the required section of the film 51.
  • This device 50 comprises a section 52 which serves to hold a supply of film.
  • This section 52 is located in the substructure 1 and it contains a roll with a film web, the end parts of this roll being rotatably mounted in the side walls 43 and 44 of the substructure 1 in a manner known per se (not shown).
  • the width of the fo lienbahn is smaller than the distance between the cover levers or cover arms 11 and 12.
  • a deflecting roller 53 for the film web 51 is arranged in the region of the upper end parts of the lid levers 11 and 12, this deflecting roller 53 extending between the lid arms 11 and 12 and being rotatably mounted therein.
  • This deflecting roller 53 is arranged opposite the mouth 15 of the upper part 4 of the vacuum chamber 3 in such a way that those tangents to the deflecting roller 53 which run parallel to the mouth 15 of the upper chamber 4 are at a small distance from this mouth 15 is found. This distance can be between 2 to 20mm.
  • the film web 51 passes between the chamber parts 4 and 5 when the vacuum chamber 3 is closed.
  • a device 54 known per se for cutting off the respective film section from the rest of the film supply is attached.
  • the feed device 50 also includes a device 55 for feeding the film web 51.
  • This feed device 55 contains a drivable roller 56 which is rotatably and driveably mounted in the cover base body 10.
  • This feed roller 56 is located in the front area of the machine cover 2, ie in that area of the cover 2 which lies opposite the cover arms 11 and 12.
  • the feed roller 56 runs parallel to the forward the wall 34 of the chamber upper part 4.
  • a tangent to the feed roller 56, which is parallel to the mouth 15 of the chamber upper part 4, lies at a small distance in front of the mouth 15 of the chamber upper part 4, this distance being the said and corresponding distance the deflection roller 53 can be the same.
  • a web 57 is wound from a fabric at one end and this web 57 is at least as wide as the heating plate 19 in the vacuum chamber 3.
  • the web 57 is advantageously made of a relatively thick woven fabric.
  • the opposite end of the fabric web 57 is connected to a clamping device 60.
  • the clamping device 60 (FIG. 4) comprises two pairs 61 and 62 of strips.
  • the first pair of strips 61 holds the beginning of the next film section or the front edge 63 of the film web 51, which is to be pulled over the table 7 in the lower part 5 of the vacuum chamber 3.
  • the second pair of strips 62 ensures that this front edge 63 of the film web 51 is guided over the table 7.
  • the holding pair 61 is mounted on the cover base body 10 in a stationary manner, while the pair of guides 62 in front of the mouth 15 of the chamber upper part 4 is known per se can be performed.
  • rails (not shown), for example, can be attached to the sides of the cover base body 10, in which the end parts of the guide pair 62 can slide.
  • the feed roller 56 on which the fabric web 57 is wound can be driven. If a new section of the film 51 is to be pulled over the table 7, the feed roller 56 is put into operation and it pulls the fabric web 57 between the chamber parts 4 and 5 until the guide pair 62 is in front of the front of the vacuum chamber 3 is located (Fig. 3). Then the drive of the feed roller 56 is switched off and it can be set to idle. This process takes place before the vacuum chamber 3 is closed.
  • the backward movement of the guide pair 62 takes place when the machine is opened, when the machine cover 2 reaches its oblique position (FIG. 2).
  • the guide pair 62 moves back under the action of its own weight into its lower position near the holding pair 61 and thereby pulls the fabric web 57 with it.
  • the material of this web 57 is relatively thick and also selected to be as heat-resistant as possible. Because the heating plate 19 is immediately covered by this fabric web 57 when the machine is opened the operator cannot burn himself on the hot heating plate 19.
  • the holding pair 61 comprises two superimposed strips 64 and 65, one or the upper strip 64 of which is fixed.
  • a lifting cylinder 66 is mounted on this bar 65, whose lifting rod 67 passes through an opening in this fixed bar 64 and is connected to the second, lower bar 65 of this pair 61.
  • the lower bar 65 can thus be moved in the vertical direction. 4 shows the movable bar in its upper position when the front edge 63 of the film is glued between these bars 64 and 65.
  • the pair of guides 62 likewise comprises two strips 68 and 69 lying one above the other, of which the one or the upper strip
  • a lifting cylinder 70 is mounted on this bar 68, the lifting rod 71 of which passes through an opening in this stationary bar 68 and is connected to the second, lower bar 69 of this pair 62.
  • Fig. 4 the movable bar is shown in its upper position when the front edge 63 of the film is clamped between these bars 68 and 69.
  • the active surfaces of the fixed strips 64 and 68 of the strip pairs 61 and 62 lie in the same plane.
  • the end faces of the strip pairs 61 and 62 run practically meandering (FIG. 1), so that each strip pair 61 or 62 has projecting extensions 72 or 73 lying next to one another and gaps 74 and 75 lying between them.
  • the extensions 72 of one pair of strips, for example 61 lie in the gaps 75 or between two adjacent extensions 73 of the other strip pairs, for example 62.
  • the dimensions of the other shapes on the pairs of strips 61 and 62 are dimensioned such that the strip pairs 61 and 62 do not touch when they are next to each other.
  • the arrow 54 in FIG. 4 indicates the effect of the cutting device 54, which separates the section of the film 51 located in the vacuum chamber 3 from the front edge 63 of the film supply.
  • the cutting device 54 acts on the film 51 in front of the end faces of the extensions 72 of the holding pair 61. This is readily possible since the cutting device 54 only acts on the film 51 after the pair of guides 62 has transported the film section through the vacuum chamber 3 and is located in the front area of the machine cover 2.
  • the front edge of the film edge 63 thus lies in the region of the end faces of the extensions 72 of the holding pair 61. Those sections of the edge of this film edge 63 which are located between two adjacent extensions 72 thereof The holding pair 61 extend, hang freely in the gaps 74 between the adjacent branches 72.
  • the lower bar 69 of the pair of guides 62 is first lowered by the lifting cylinder 70.
  • the film edge 63 lies between the extensions 73 of the strips 68 and 69 of this guide pair 62. This is because the extensions 73 of the guide pair 62 into the gaps 74 in the retaining strip 61 grab where the film edge 63 is located. Now the movable bar 69 of the guide pair 62 can be pressed against the fixed bar 68 by the lifting cylinder 70 and the guide bar 62 also holds the film edge 63 in place.
  • the movable bar 65 of the holding pair 61 must be lowered so that the film 51 is released and the feed roller 56 must be put into operation.
  • the guide strip 62, together with this section of the film 51, is pulled through the vacuum chamber 3 via the fabric web 57.
  • FIG. 5 shows a section from another type of vacuum packaging machine. It is a so-called bag machine.
  • bag machine In such machines, the goods to be packaged are placed in a bag and the bags are placed in the vacuum chamber 80 of this machine in such a way that the mouth of the bag lies on the lower bar 82 of a heatable pair of bars. After the chamber 80 has been evacuated, the mouth of the bag between the heated strips 81 and 82 in the vacuum chamber 80 is closed.
  • This type of packaging machine has practically the same problem as the type of packaging machine described in detail above. For this reason, all the measures described above can also be applied to this latter type of packaging machine. However, it goes without saying that the measures described here can also be applied to other machines.

Landscapes

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

Abstract

La machine d'emballage sous vide comprend une substructure (1) et un couvercle (2). Cette machine comprend en outre une chambre à vide (3), disposée dans la zone de conjonction du couvercle (2) et de la substructure (5). Le couvercle de la machine (2) comprend un corps de base (10) et au moins un bras (11, 12). A une extrémité, ce bras est raccordé au corps de base. La partie supérieure (4) de la chambre est montée sur le corps du couvercle (10) et la partie inférieure (5) de ladite chambre est montée dans la substructure (1). La substructure de la machine (1) comporte au moins un rouleau de guidage (21) pour le bras du couvercle (11, 12), qui s'engage dans le bras du couvercle. L'extrémité du bras du couvercle, opposée au corps de base du couvercle (10) est reliée à un dispositif d'entraînement (20) servant à mouvoir le couvercle (2). Il est prévu un dispositif (55) d'alimentation en film (51) à l'intérieur de la chambre à vide (3).
EP95915730A 1994-05-03 1995-05-02 Machine d'emballage sous vide Withdrawn EP0706478A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH137494 1994-05-03
CH1374/94 1994-05-03
PCT/CH1995/000094 WO1995029846A1 (fr) 1994-05-03 1995-05-02 Machine d'emballage sous vide

Publications (1)

Publication Number Publication Date
EP0706478A1 true EP0706478A1 (fr) 1996-04-17

Family

ID=4208936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95915730A Withdrawn EP0706478A1 (fr) 1994-05-03 1995-05-02 Machine d'emballage sous vide

Country Status (5)

Country Link
US (1) US5822956A (fr)
EP (1) EP0706478A1 (fr)
AU (1) AU691276B2 (fr)
NZ (1) NZ284030A (fr)
WO (1) WO1995029846A1 (fr)

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DE102008053665A1 (de) * 2008-10-29 2010-05-12 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine mit hygienischer Haube
AU2010277579B2 (en) * 2009-07-29 2014-11-06 Cryovac, Llc Vacuum skin packaging of a product arranged on a support
KR101439328B1 (ko) * 2011-05-25 2014-09-17 주식회사 인트로팩 진공포장기
US20140165502A1 (en) * 2011-07-01 2014-06-19 Leung Chi Wah Sealing Apparatus
US20150297297A1 (en) * 2012-12-18 2015-10-22 Taiki Corp., Ltd. Package for skin drug solution holding body and method of making the same
DE102014104387A1 (de) * 2014-03-28 2015-10-01 Textor Maschinenbau GmbH Vorrichtung zur Verarbeitung von Lebensmittelprodukten
US10954014B2 (en) * 2016-06-09 2021-03-23 Alkar-Rapidpak, Inc. Lifting assemblies for assisting movement of die boxes on web packaging machines
CN106628335A (zh) * 2016-07-15 2017-05-10 广州市伊东机电有限公司 一种真空包装机
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Also Published As

Publication number Publication date
NZ284030A (en) 1998-03-25
WO1995029846A1 (fr) 1995-11-09
US5822956A (en) 1998-10-20
AU2252295A (en) 1995-11-29
AU691276B2 (en) 1998-05-14

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