EP0803441A2 - Dispositif de refroidissement - Google Patents

Dispositif de refroidissement Download PDF

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Publication number
EP0803441A2
EP0803441A2 EP97104690A EP97104690A EP0803441A2 EP 0803441 A2 EP0803441 A2 EP 0803441A2 EP 97104690 A EP97104690 A EP 97104690A EP 97104690 A EP97104690 A EP 97104690A EP 0803441 A2 EP0803441 A2 EP 0803441A2
Authority
EP
European Patent Office
Prior art keywords
cooling
cooling device
register
contact piece
channels
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Withdrawn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
EP97104690A
Other languages
German (de)
English (en)
Other versions
EP0803441A3 (fr
Inventor
Rudolf Fux
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.)
Tiromat Kraemer and Grebe GmbH and Co KG
Kraemer and Grebe KG
Original Assignee
Tiromat Kraemer and Grebe GmbH and Co KG
Kraemer and Grebe 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.)
Filing date
Publication date
Application filed by Tiromat Kraemer and Grebe GmbH and Co KG, Kraemer and Grebe KG filed Critical Tiromat Kraemer and Grebe GmbH and Co KG
Publication of EP0803441A2 publication Critical patent/EP0803441A2/fr
Publication of EP0803441A3 publication Critical patent/EP0803441A3/fr
Withdrawn legal-status Critical Current

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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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
    • 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
    • B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
    • B65B63/08—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for heating or cooling articles or materials to facilitate packaging

Definitions

  • the invention relates to a cooling device on a packaging machine for a packaged good, for example a foodstuff or medicament, which is conveyed by the packaging machine and is continuously packaged and packaged into individual packs, for example a food or pharmaceutical product, the cooling device in particular introducing heat to the packaged goods and / or a work station effecting a pack or such a process stage is adjacent or connected downstream in the conveying direction and has at least one cooling register which has a heat-dissipating effect on the packaged goods.
  • a packaged good for example a foodstuff or medicament
  • Heat-sensitive packaged goods are generally pre-cooled to such an extent that they do not exceed a predetermined temperature which is permissible for their durability during the (mostly very rapid) packing process.
  • a predetermined temperature which is permissible for their durability during the (mostly very rapid) packing process.
  • It is often impossible to avoid a corresponding heat input for example when making sealed seams Packs, which are composed of several foil webs to be sealed together and enclosing the packaged goods. The sealing seams must be carried out at least partially on the already filled package.
  • the filling of a pack is corrected by hand before it is closed and parts of the packaged goods are removed, temporarily stored and later added to a further pack. In this case, heat input through contact or through long-term storage at room temperature cannot be avoided.
  • cooling devices In order to counteract such an inadmissibly increasing heat effect, the temperature of the packaged goods before the closing of a pack, cooling devices of the type specified in the introduction have long been known and are also widely used in packaging machines. Such a cooling device is often indispensable, especially after work stations in which work processes are carried out with the aid of heat. However, their efficiency is usually unsatisfactory and requires a considerable amount of energy, which can only be inadequately reduced by encapsulating the cooling device against the environment.
  • the invention has set itself the task of performing a cooling device of the type specified in the introduction, in which the heat losses can be kept low and which can be easily integrated into the packaging process.
  • the object is achieved in that between each pack and the cooling register there is provided a thermally conductive contact piece which conforms to their facing surfaces and which is, in particular, slightly plastic and / or elastic can be designed as a mat, cushion or the like, for example in the form of a liquid-filled cooling cushion, as is well known from medical technology; it goes without saying that a good heat-conducting contact liquid is best suited for this.
  • the heat losses are significantly reduced, so that the (electrical) energy required for cooling the packaged goods can be used with high efficiency. It is also particularly noteworthy that proven, mature techniques can be used, for example when using cooling cushions.
  • the entire heat transfer from the cooling register to the packaged goods can be significantly improved if a force device is provided with which a selectable surface pressure can be exerted on the pack and a contact piece lying on the surface thereof, so that the contact piece, the Profile of the surface conforming, deforming; a permanent deformation is excluded, rather the contact piece adapts to an alternating contacting surface. It can usually already be set up by the selection of the materials used so that the contact piece is applied to the package without air cushions or inclusions, so that heat can be transported which is not disturbed and impaired by sections of poor thermal conductivity.
  • the force device can consist of a pressure plate and a spring system loading the pressure plate in the direction of the packing. It is particularly advantageous if this force device is designed as a lower tool that is vertically movable relative to the pack, and which presses the pack against a stationary upper tool emotional. In this way, the necessary drive elements for the actuation of the pressure plate, as well as in the case of other tools provided on packaging machines, can be arranged directly on the floor and do not require complex, separate machine stands and no long supply lines for the required drive energy.
  • the lower tool can be moved in height by at least one further lower tool, for example a sealing station of the packaging machine, by a common drive, so that in this way only a single drive is required in order, for example, to first apply the sealing force to the package and then press the contact piece with the necessary contact force against the sealed and heated package and then immediately remove the heating energy supplied from the fixed upper tool again after the sealing seam has been produced.
  • the cooling device is therefore closely linked to a workstation, both technologically and spatially.
  • a first cooling register is formed on the upper tool, because the heating device required for sealing is usually also provided in an upper tool (a sealing station). If so much heat can be removed by such an arrangement that the temperature permissible on the packaged goods cannot be exceeded, then a further cooling register is obviously not required and the pressure plate can directly load the pack.
  • the pressure plate is designed as a second cooling register or loads a second cooling register, so that larger heat flows can also flow off via the cooling register in this way.
  • a contact piece is then of course also advantageous between this second cooling register and the pack.
  • a significant further improvement in the heat transfer takes place if at least one contact piece is in contact with the associated cooling register by means of negative air pressure, so that a continuous contact surface is formed from which any remaining air bubbles that may still be present are removed.
  • negative air pressure can be generated by providing air channels in the cooling register - preferably parallel -, evacuating them and connecting them in terms of flow technology to the suction channels, and on the other hand the suction channels ending with their mouths on the surface of the cooling register facing the adjacent contact piece.
  • the air channels are provided in the cooling register serving as the upper tool, even if the lower tool is equipped with a further cooling register.
  • the cooling device offers the possibility of cooling packs which have already been closed to such an extent that inevitable heat inflows can be (immediately) withdrawn from the packaged goods without the need for an unjustifiably high expenditure of energy.
  • the associated material outlay is low and extends to techniques that have already been proven otherwise, or is carried out in connection with facilities already available in the course of a packaging machine.
  • a plurality of workstations A1 to A4 are provided in series on a packaging machine V in order to be able to handle the individual operations on a pack P. They become effective one after the other in the transport direction R1 of a film web FO, FU.
  • This film web FO, FU is composed of a lower film FU and an upper film FO.
  • a first conveying device F1 is provided for the bottom film FU, from which the bottom film FU is continuously conveyed through the entire packaging machine V in a manner which is not shown further, but is customary in the art.
  • the upper film FO is fed into the packaging process by a second conveyor device F2.
  • the foil web FO, FU runs through a machine frame VG on its upper, horizontal work surface VA. Frame feet VF are indicated on the machine frame VG. Lateral covers VS complete the packaging machine V.
  • An end partition VT separates the first conveyor F1 from the rest of the work area.
  • the first workstation A1 also includes a deep-drawing tool designed as a lower tool U1 for deforming the lower film FU.
  • a deep-drawing tool designed as a lower tool U1 for deforming the lower film FU.
  • An associated upper tool O1 can also be seen in FIG.
  • a directional arrow indicates a working direction R2 in which the lower tool U1 can be moved downwards and back again by a drive M1 from its position shown in FIG. 1 in order to mold the lower film FU.
  • the work station A2 comprises the conveyor device F2 for the upper film FO, which is placed here on the deformed lower film FU and sealed with it, again a further vertically movable lower tool U2 by means of a drive M2 against another upper tool O2, also equipped with a heating device HE, is movable.
  • the work stations A3 and A4 are used to separate the individual packs P and to cut lengthwise on the finished packs P.
  • the lower tools U1, U2 are placed on the load platforms L1, L2 and, if necessary, fastened there.
  • a cooling device K according to the invention is arranged downstream in the transport direction R1 of the workstation A2, the details of which can be clearly seen in FIGS.
  • a cooling register 1, 2 with cooling channels 11, 21 for a coolant flowing through the cooling registers 1, 2 from a coolant circuit which is otherwise omitted in the drawing and which is used to remove the heat flowing into the packs P. serves, for example, from the heat sealing of the upper film FO in the work station A2.
  • a plurality of air channels 12 are provided - here arranged in parallel with the cooling channels 11 and in the same plane - which open out according to FIG are connected to a vacuum pump or the like vacuum source at a lateral connection 14; the details of this are not related to the invention and can be carried out in the usual way.
  • the lower cooling register 2 does not lie directly on the load platform L2 which engages under the work station A2 and the cooling device K. Rather, a force device 3 is provided, which consists of a pressure plate and a spring system 30, here the pressure plate being formed by the cooling register 2 itself; but it can also be designed as a separate component.
  • Several vertical guide bolts 30a are fastened on the one hand in the cooling register 2 and, on the other hand, they are mounted for longitudinal movement in bearing bores 4 lined with bearing bushes 40, which are located in a support plate LA2 of the stage L2, similarly as a lock LA1 for the lower tool U2 on the stage L2 is provided.
  • the Guide bolts 30a serve as axial guides for one compression spring 30b each, which is clamped between the support plate LA2 and the cooling register 2; the compression springs 30b jointly transmit the force resulting from the drive M2 to the cooling register 2 until the guide bolts 30a come to rest with their axial stops 30c on the underside of the support plate LA1.
  • the lower cooling register 2 forms, together with the force device 3, a lower tool KU of the cooling device K.
  • the contact pieces 5 therefore consist of a container 50 which is filled with a good heat-conducting contact liquid 52 and which is made of a material which is flexible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Surgical Instruments (AREA)
EP97104690A 1996-04-27 1997-03-19 Dispositif de refroidissement Withdrawn EP0803441A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29607689U 1996-04-27
DE29607689U DE29607689U1 (de) 1996-04-27 1996-04-27 Kühleinrichtung

Publications (2)

Publication Number Publication Date
EP0803441A2 true EP0803441A2 (fr) 1997-10-29
EP0803441A3 EP0803441A3 (fr) 1997-12-10

Family

ID=8023248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97104690A Withdrawn EP0803441A3 (fr) 1996-04-27 1997-03-19 Dispositif de refroidissement

Country Status (2)

Country Link
EP (1) EP0803441A3 (fr)
DE (1) DE29607689U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116101549A (zh) * 2021-11-09 2023-05-12 北京瀛海智能自动化科技有限公司 食材分装系统以及中央厨房系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19828381A1 (de) * 1998-06-25 1999-12-30 Jochen Dietrich Lebensmittelverpackung sowie Verfahren, Zuschnitt und Vorrichtung zu deren Herstellung
DE102008052598A1 (de) * 2008-10-21 2010-01-21 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine mit Mitteln zur Kühlung einer Verpackung sowie diesbezügliches Verfahren
DE102020201284A1 (de) 2020-02-03 2021-08-05 Multivac Sepp Haggenmüller Se & Co. Kg Tiefziehverpackungsmaschine mit Vakuumkühlstation und Verfahren zum Vakuumkühlen heißverpackter Produkte

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160356B (de) * 1959-05-27 1963-12-27 Jura Plastic G M B H Vorrichtung zum Verschliessen von dosenartigen Kunststoffbehaeltern mit einem Kunststoffdeckel
US4359361A (en) * 1976-05-27 1982-11-16 The Dow Chemical Company Impulse sealer
DE4124343A1 (de) * 1991-07-23 1993-01-28 Illig Maschinenbau Adolf Verfahren und vorrichtung zum herstellen von blisterpackungen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160356B (de) * 1959-05-27 1963-12-27 Jura Plastic G M B H Vorrichtung zum Verschliessen von dosenartigen Kunststoffbehaeltern mit einem Kunststoffdeckel
US4359361A (en) * 1976-05-27 1982-11-16 The Dow Chemical Company Impulse sealer
DE4124343A1 (de) * 1991-07-23 1993-01-28 Illig Maschinenbau Adolf Verfahren und vorrichtung zum herstellen von blisterpackungen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116101549A (zh) * 2021-11-09 2023-05-12 北京瀛海智能自动化科技有限公司 食材分装系统以及中央厨房系统

Also Published As

Publication number Publication date
EP0803441A3 (fr) 1997-12-10
DE29607689U1 (de) 1996-07-18

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