EP3227190B1 - Tendeur rotatif pour machine d'emballage - Google Patents

Tendeur rotatif pour machine d'emballage Download PDF

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Publication number
EP3227190B1
EP3227190B1 EP15793793.9A EP15793793A EP3227190B1 EP 3227190 B1 EP3227190 B1 EP 3227190B1 EP 15793793 A EP15793793 A EP 15793793A EP 3227190 B1 EP3227190 B1 EP 3227190B1
Authority
EP
European Patent Office
Prior art keywords
packaging machine
dancer
film web
film
sheet
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
EP15793793.9A
Other languages
German (de)
English (en)
Other versions
EP3227190A1 (fr
Inventor
Frank SABATO
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.)
GEA Food Solutions Germany GmbH
Original Assignee
GEA Food Solutions Germany GmbH
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 GEA Food Solutions Germany GmbH filed Critical GEA Food Solutions Germany GmbH
Priority to EP18198236.4A priority Critical patent/EP3456640B1/fr
Publication of EP3227190A1 publication Critical patent/EP3227190A1/fr
Application granted granted Critical
Publication of EP3227190B1 publication Critical patent/EP3227190B1/fr
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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/001—Packaging other articles presenting special problems of foodstuffs, combined with their conservation
    • 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
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/02—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved with means for heating the material prior to forming
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • 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
    • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
    • B65B65/02—Driving gear
    • 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
    • B65B25/00—Packaging other articles presenting special problems

Definitions

  • the present invention relates to a packaging machine with a dancer, a film brake, a gluing table and / or a film roll.
  • Such packaging machines are known from the prior art. See eg WO 2012/116823 , In these packaging machines, a lower film web is unrolled from a supply roll and preferably transported intermittently along the packaging machine. In a forming station, first a packaging tray is formed in the lower film web, which is then filled with a packaged product, in particular a foodstuff. Subsequently, the packaging tray is sealed in a sealing station with a top film which is sealed to the lower film. The film web is also unrolled from a supply roll. Between the supply roll and the sealing station while a dancer is provided, which must be adapted to the preference that makes the lower film web at a feed.
  • the present invention relates to a packaging machine in which a lower film web, in particular a plastic film web, which preferably has a width between 200 mm and 1 m and more, is unrolled from a supply roll and preferably transported intermittently along the packaging machine. In a forming station, this sub-web is then first heated and by means of a thermoforming tool Molded packaging troughs in the lower film web. As a rule, several packaging troughs, which are arranged in a so-called format, are shaped simultaneously and subsequently transported simultaneously along the packaging machine.
  • each packaging tray with a packaged, especially a food, such as sausage, ham or cheese, filled and sealed in a next step in a sealing station with a top film the top film is usually sealed to the lower film web. Subsequently, the thus finished packaging is separated.
  • the top film web is also unrolled from a supply roll.
  • a dancer is provided downstream of the respective supply roll with respect to the transport direction of the respective film web at least in the region of the top film web, but possibly also in the region of the bottom film web, which preferably has two rollers which are provided on a linkage extending from a rotary drive driven rotates about a rotation axis and thereby stores a certain length of film and / or generates the desired tension in the film web. Consequently, the dancer is suitable as a material storage since the development of the film web from the supply roll takes place with a different velocity profile than the advance of the film web.
  • a linkage in the context of the invention is any component which is composed for example of rods, tubes, profiles and / or sheets and / or plates.
  • the linkage can also be a pre-formed component that may be reworked. At least two rotatable, in particular non-driven rollers are arranged on this linkage.
  • a means is provided on the dancer, with which the angular position of the linkage is detected.
  • a controller to which this means is connected knows which length of film web is in the dancer and / or the controller can, for example, calculate the number of degrees by which the position of the linkage has to be changed in order to achieve a certain tension in the film.
  • the linkage provided with a rotary drive and / or connected, which simultaneously rotates the linkage and thus the two rollers about the axis of rotation of the linkage and thereby changes the storage length of the film web in the dancer and / or the film tension.
  • the rotary drive is preferably a pneumatic drive, a servo motor or a stepper motor.
  • the pressure is preferably adjusted as a function of the angular position of the linkage. This can be, for example done by a proportional valve. Starting from a zero position, the pressure preferably drops and then rises again until the end position of the linkage.
  • the pressure curve corresponds to a cosine curve, with the pressure particularly preferably not being zero at any time.
  • at least one roller of the dancer preferably all the rollers of the dancer, is supported at its two opposite ends. This results in a more uniform load distribution along the roll.
  • their bending is at least reduced and / or made largely symmetrical over the width of the film, which is particularly important for wide film webs, preferably> 400 mm, to over the entire width of the film web, ie transversely to its transport direction as constant as possible and /. or at least to achieve symmetrical voltage curve.
  • both bearings of each roller are supported on a wall located on one side of the film web.
  • the area under the dancer is freely available and can be viewed and, if necessary, edited.
  • the dancer, in particular the linkage is completely enclosed.
  • the film web passes through slots in the housing or out of the housing.
  • the dancer is protected from splash water, for example during cleaning.
  • the surrounding machine area, in which the dancer is arranged completely housed.
  • the housing is provided so that after opening an access door, the whole dancer, but in particular the linkage is freely accessible.
  • the rollers, in particular their pivot bearings are grounded, so that there is no undesirable spontaneous discharge due to electrostatic charge.
  • the pivot bearings are preferably rolling bearings.
  • a film brake is provided which is required in particular for positioning the upper film web on the lower film web, for example for positioning printing patterns, which are often provided on the upper film web.
  • this film brake is pivotally mounted, in particular pivotable about a vertical axis and / or a horizontal axis.
  • the film brake can be adjusted from its orientation in the production position, i. transverse to the transport direction of the lower film web, are pivoted to a position, for example, parallel to the transport direction of the lower film web, so that this area is available for inspection or processing purposes.
  • a connecting means in particular a latching means is provided opposite the vertical pivot bearing on the other side of the film web, with which the film brake can be fixed in its production position transversely to the transport direction of the lower film web. This connecting means is preferably operated without tools.
  • the film brake consists of a first and a second part, which are interconnected, wherein between the first and the second part, a gap is provided through which the film web, in particular the top film web, runs in production and in the region of a braking means ,
  • a braking means for example, an inflatable tube, is provided with which the transport of the top film can be slowed down, whereby the film web is stretched.
  • the second part is now rotatable, in particular about a vertical axis of rotation, mounted on the first part or vice versa.
  • the second part is rotated away from the first part, the film web is inserted and then the second part is turned back again and locked in a position parallel to the first part.
  • This preferred embodiment of the present invention greatly facilitates threading of the film web into the film brake.
  • Yet another preferred object of the present invention is a packaging machine having a cutting and sticking table.
  • a cutting and gluing table is particularly required in a film roll change, in which the film end of the used film roll is connected to the beginning of the new film roll.
  • the cutting and bonding table has at least one, preferably a plurality of recesses, which are connected to a, in particular common vacuum means. By this vacuum means, the two film sheets to be joined are fixed on the table and can be processed accordingly.
  • the film web can also be fixed with adhesive pads or with an inflatable film tube.
  • the recesses are selectively and reversibly equipped with a suction or with a blind plug.
  • the suction means are selectively and reversibly equipped with a suction or with a blind plug.
  • the vacuum can be transferred to the respective film web.
  • a blind plug covers the recess, so that in this area no suction force is exerted on the film web. Due to the position of the recesses or the inserts of the suction means and the blind plug, it is possible to adapt the cutting and bonding table, for example, to the width, but also to the nature of the respective film web without different cutting and / or gluing tables for the respective Film web would have to be provided.
  • the recesses are preferably arranged along a line, in particular equidistantly.
  • the cutting and gluing table has at least two, in particular, parallel rows of recesses.
  • the cutting and gluing table is pivotally and / or easily mounted on the packaging machine, which improves their accessibility.
  • the cutting and sticking table is arranged upstream of the dancer, with respect to the transport direction of the film web, but particularly preferably immediately behind the film roll.
  • Yet another preferred subject of the present invention is a packaging machine having rollers in which the bearing seat is connected by a laser weld to the rotating body of the roller.
  • This preferred embodiment of the invention has the advantage that the rollers have considerably less heat distortion than rollers according to the prior art. Nevertheless, they are completely waterproof.
  • the upper film web runs upstream of the sealing station at least in sections parallel to the machine frame or parallel to the transport direction of the lower film web.
  • the direction of travel of the top film web sections can also be arranged by 90 degrees to the machine frame, which, for example, particularly large and therefore usually heavy supply rolls can be used, which include a high storage capacity of film.
  • FIG. 1 shows the packaging machine 1 according to the invention, which has a thermoforming station 2, a filling station 7 and a sealing station 15.
  • a lower film web 8, here a plastic film web 8 is withdrawn from a supply roll 52 and cyclically transported along the packaging machine according to the invention from right to left. At one cycle, the lower film web 8 is transported on by one format length.
  • the packaging machine has two transport means (not shown), in the present case in each case two endless chains, which are arranged to the right and left of the lower film web 8. Both at the beginning and at the end of the packaging machine at least one gear is provided for each chain in each case, around which the respective chain is deflected. At least one of these gears is driven.
  • the gears in the input area and / or in the output area may be connected to each other, preferably by a rigid shaft.
  • Each transport means has a plurality of clamping means which grip the lower film web 8 in the inlet region 19 in a clamping manner and transmit the movement of the transport means to the lower film web 8.
  • the clamping connection between the transport and the lower film web 8 is released again.
  • a heating means 13 is provided, which heats the film web 8, especially when it is stationary.
  • the thermoforming station 2 which has an upper tool 3 and a lower tool 4, the has the shape of the packaging tray to be produced, the packaging trays 6 are formed in the warmed film web 8.
  • the lower tool 4 is arranged on a lifting table 5, which, as symbolized by the double arrow, is vertically adjustable. Before each film feed, the lower tool 4 is lowered and then raised again. In the further course of the packaging machine, the packaging trays are then filled in the filling station 7 with the packaged goods 16.
  • the subsequent sealing station 15 which likewise consists of an upper tool 12 and a vertically adjustable lower tool 11, a top film 14 is firmly bonded to the lower film web 8 by sealing. Also in the sealing station, the upper tool and / or the lower tool are lowered or raised before and after each film transport.
  • the upper film 14 may be guided in means of transport or be transported by transport chains, these means of transport then extend only in front of the sealing station and possibly downstream.
  • the upper foil can also be warmed up with a heating medium and deep-drawn.
  • a lower tool 11 for example, a heatable sealing frame having per packaging tray an opening into which the packaging tray during sealing, ie immersed in the upward movement of the Untersiegelwerkmaschines.
  • the upper and lower film webs between the upper and lower dies 12, 11 are pressed together and combine under the influence of heat and pressure.
  • the tools 11, 12 are moved apart vertically again.
  • a dancer 20 is provided, which compensates for the intermittent feed of the lower film 8 and thus the intermittent withdrawal of the upper film web 14.
  • the dancer can serve as a film web storage and / or for generating a specific film tension.
  • the person skilled in the art understands that several top films may be present, for example in a multi-layered package or a package with several top films.
  • a dancer is then provided in the course of each top sheet.
  • a dancer may also be provided in the region of the lower film, preferably downstream of the supply roll 52.
  • a gas exchange preferably takes place in each packaging trough. For this, the air present in the packaging recess is first partially sucked off and then replaced by a replacement gas.
  • each format holes are introduced into the lower film web in the lower film in the region of the transport chains, through which the air is sucked between the film webs 8, 14 and the replacement gas is then blown in.
  • the finished packages are separated, which in the present case with the cross cutter 18 and the Slitter 17 takes place.
  • the cross cutter 18 can also be raised or lowered in the present case with a lifting device 9.
  • FIG. 2 shows the supply roll 21, from which in the present case, the top film web 14 is unrolled.
  • the dancer 20 Downstream with respect to the transport direction of the film web 14, the dancer 20 is provided, which in the present case has two fixed rollers 22, between which the rotary member 23 is provided, which is provided for rotation about a rotational axis 23.3 by means of a drive drivable.
  • This rotary member has a linkage 23.4, on which the axis of rotation 23.3 is arranged and which has two rollers 23.1, 23.2, which are provided in the present case opposite one another and at the same distance from the axis of rotation rotatably on the rod 23.4.
  • the rollers 23.1, 23.2 are preferably not driven.
  • the entire dancer 20 is arranged in the present case in a housing 24 and thereby protected against unwanted interference by a worker.
  • the housing and / or its supporting basic construction can also take over supporting functions of the dancer and / or protect against unwanted cleaning agents.
  • FIG. 3 the dancer is shown in his so-called threading position.
  • the rollers 23.1, 23.2 or their connection, here the rod 23.4 rotated about its axis of rotation 23.3 counterclockwise.
  • FIG. 4 shows the partially filled memory. Characterized in that the rollers 23.1 and 23.2 in comparison to the illustration according to FIG. 2 and 3 , were rotated clockwise, the film length, which is located in the memory has been increased. The stored film length depends, as the skilled artisan easily recognizes, from the angle of rotation ⁇ of the rotary member 23 between 0 and almost 180 °.
  • the rotary member 23 is driven by means of a motor.
  • This motor can be a servomotor or actuator motor or stepper motor or a pneumatic drive.
  • the pressure with which the drive is driven is preferably regulated as a function of the angular position of the rotary part 23.
  • a controller connected to the packaging according to the invention knows at any time in which rotational position the rotary member 23 is located and accordingly how much film length is stored in the dancer. Accordingly, the drive of the rotary member 23 is driven to make this stored length equal to increase or decrease.
  • the drive of the rotary member 23 can also be used to change the tension in the film web by changing the rotation angle of the rotating part with a stationary film roll 21 and stationary film web 8, wherein in the present case, with a clockwise rotation, the voltage increases and decreases in a counterclockwise rotation, the tension in the film web 14.
  • the change or the constant holding of the tension of the film web can also take place during the movement of the film roll 21.
  • In the area of the dancer or in the region of the film web measuring means can be provided, with which the film tension is measured and regulated accordingly.
  • FIG. 5 shows the suspension of the dancer 20 on the packaging machine.
  • the dancer is provided in the region of the upper film web 14 and accordingly provided on an arm or a sheet or a wall or a frame 26 - hereinafter assembly 26- above the lower film web 8.
  • the entire dancer 20 is provided in the present case with four suspensions 25 on the assembly 26. These suspensions are in the present case designed as pull / push rods 25 and extend horizontally through the entire width of the dancer or a housing 24 and / or its supporting basic structure (not shown).
  • the entire dancer is surrounded by the housing 24, the front side has a door 28 which can be opened about the hinge 27.
  • a cover 29 is preferably provided on the housing, which can be opened, in particular opened, about a horizontal axis.
  • each roller in the area of the dancer is mounted at its two opposite ends on the dancer housing 24 and / or on its supporting basic construction or on the linkage 23 4.
  • the rotary member 23 preferably has at its two opposite ends in each case a pivot bearing, which are respectively supported on the housing 24 and / or on the supporting basic structure and thus on the suspension 25 of the dancer. Nevertheless, the dancer 20 or its housing is supported only on one side of the film web by means of the assembly 26, so that the area below the dancer 20 is well visible and available for a worker.
  • FIGS. 6 and 7 show the film brake 32.
  • a film brake based on the transport direction of the respective film web, provided downstream of a possibly existing dancer and serves, in particular, to stretch the top film web to align the top film web relative to the bottom film before its seal, so for example on the upper film web provided printed image to the position of the provided in the lower film web packaging tray fits.
  • the film brake on one side of the lower film web 8 here mounted on a mounting 26, by means of a rotary and / or pivot bearing 34.
  • a bearing 33 On the opposite side of the lower film web 8 is a bearing 33, which has a closure 36, in particular a quick release, with which the local end of the film brake 32 can be connected to the frame of the packaging machine.
  • This closure 36 preferably has a handle 35 with which the closure can be unlocked in particular.
  • a subsequent locking is preferably carried out automatically, in particular by a snap or locking mechanism.
  • the two parts of the shutter 36 can be separated from each other and the entire film brake can around the pivot bearing 34, as in FIG. 7 shown, from a production position substantially transversely to the transport direction of the sub-web ( FIG. 6 ) are pivoted into a service position substantially parallel to the transport direction of the film web.
  • FIG. 7 the transition of the film brake 32 is shown from the production position to the service position.
  • the film brake in the present case consists essentially of a first part 32.1, on which a second part 32.2 is rotatably mounted by means of a rotation axis 38.
  • a detent 37 here represented by a pin, through which the two parts can be held in a parallel position, the production position to each other.
  • a pressure medium such as a hose whose circumference is variable and thereby changes the size of the gap and thus pushes the film web against the other part, whereby the friction between the film web and the brake 32 increases or decreases and accordingly brakes more or less.
  • the closure 37 is opened, here the part 32.2 is rotated about the axis of rotation 38 and then the film web is applied to the first part 32.1. Then, the second part 32.2 can be turned back into its position parallel to the part 32.1 and secured in this position by means of the shutter 37.
  • FIG. 9 shows the cutting and gluing table 39.
  • the cutting and gluing table 39 optionally has two clamping means 40, 41, which are for example rotatable about an axis from a clamping to a non-clamping position and vice versa and which can be used to fix the respective ends of the film webs to be joined .
  • the adhesive table has a plurality of recesses. In the present case, two, parallel rows here, each with nine, here equidistant, recesses are provided, which are preferably provided on the right and left of a cutting guide 46.
  • the cutting guide serves as a guide / attachment, for example for a knife, in order to be able to cut off the respective film web along a straight cut.
  • Each recess is here by means of a channel to a, preferably common vacuum means, in particular a vacuum pump, connectable.
  • each recess can optionally be provided with a suction box 44 or a blanking plug 45, so that it can be selected in accordance with the width of the film web and / or the nature of the film web, in which area vacuum is applied.
  • the suction boxes 44 are provided for example with a perforated plate 44.1, through which the vacuum acts on the film web and pulls them in the direction of the cutting and bonding table 39 and fixed there. In the blind plug 45 is no or only a slight vacuum.
  • FIG. 10 shows an example of a suction box 44, which can be provided reversibly, preferably without tools, in a recess.
  • This intake box consists in the present case of an insert 44.2, here a hollow body, and a perforated plate 44.1 connected thereto. The vacuum sucks air through the perforated plate in the Inside of the insert 44.2 and from there by means of holes which are provided on the circumference of the insert 44.2, in the vacuum channel.
  • the blind plug is constructed analogously, except that the perforated plate is replaced by a non-perforated plate and / or accounts for the holes on the circumference of the insert 44.2.
  • the role shown In the Figures 11 and 12 is the role shown.
  • This consists of a rotary body 47, at whose opposite ends in each case the pin of a rotation axis is provided.
  • the axis of rotation preferably does not extend through the roller.
  • FIG. 12 the manufacturing process is shown.
  • the axis of rotation is provided on a disk-shaped element, in particular a circular disk or a circular disk.
  • This disk-shaped element or the axis of rotation 49 itself is connected to the rotary body by means of a laser weld.
  • the role is on the one hand tight.
  • laser welding also takes place a comparatively low heat input, so that the role does not warp during welding.
  • Each roller has an axis of rotation 49 on the right and left, by means of which the roller can be supported on both sides by a housing 24 or the like.
  • the axis of rotation can also be a cylindrical indentation which receives a pin.
  • FIG. 13 shows the arrangement of a pivot bearing 48, in particular at each of the two ends of a roll.
  • This pivot bearing 48 is arranged by means of a bearing seat 50, for example on the frame 55 of the packaging machine and / or on the housing 24 of the dancer.
  • the outer ring of the rotary bearing 48 here a roller bearing, abuts against the bearing seat 50.
  • the inner circumference of the inner ring of the pivot bearing 48 is connected to an axis of rotation 49, which in turn is provided on the roller.
  • the arrangement can also be reversed.
  • the rotary bearings are in particular provided so that they are electrically conductive, so that no static charge can form in the region of the roller.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Claims (14)

  1. Machine d'emballage (1) déroulant une bande de film inférieure (8) à partir d'un rouleau de réserve (52) et la transportant de façon intermittente ou en continu le long de la machine d'emballage et formant ainsi des cuvettes d'emballage (6) dans la bande de film inférieure (8) dans une station de formage (2), ensuite remplies d'un produit à emballer (16), une bande de film supérieure (14) étant ensuite scellée au niveau de la bande de film inférieure (8) dans une station de scellement (15), la bande de film supérieure (14) étant déroulée à partir d'un rouleau de réserve (22), un rouleau fou (20) étant prévu en aval de l'au moins un rouleau de réserve (52) et comportant deux rouleaux (23.1, 23.2) prévus au niveau d'une tige (23.4), caractérisée en ce que la tige (23.4) est tournée par un entraînement tournant entraîné autour d'un axe de rotation (23.3) prévu entre les deux rouleaux (23.1, 23.2) et stockant ainsi une certaine longueur de bande de film (8, 14) et/ou produisant une tension souhaitée dans la bande de film (8, 14).
  2. Machine d'emballage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un moyen détecte la position angulaire de la tige (23.4).
  3. Machine d'emballage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'entraînement tournant est un entraînement pneumatique, un servomoteur ou un moteur pas-à-pas ou un moteur tournant avec transmission.
  4. Machine d'emballage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins un rouleau (23.1, 23.2) est disposé au niveau de ses deux extrémités opposées (53, 54).
  5. Machine d'emballage (1) selon la revendication 4, caractérisée en ce que les deux paliers butent contre une paroi (26).
  6. Machine d'emballage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que les rouleaux (23.1, 23.2) sont reliés à la terre.
  7. Machine d'emballage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un frein de film (32) est prévu en aval du rouleau fou (20).
  8. Machine d'emballage (1) selon la revendication 7, caractérisée en ce que le frein de film est disposé de façon à pouvoir pivoter, notamment de façon à pouvoir pivoter autour d'un axe vertical (34).
  9. Machine d'emballage selon l'une quelconque des revendications 7 ou 8, caractérisée en ce que le frein de film comporte une première et une deuxième partie (32.1, 32.2) prévues de façon à pouvoir être déplacées par un axe (38), notamment de façon à pouvoir tourner l'une par rapport à l'autre.
  10. Machine d'emballage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle comporte une table de découpe et de collage (39).
  11. Machine d'emballage (1) selon la revendication 10, caractérisée en ce que la table de découpe et de collage (39) comporte des évidements raccordés à un moyen de vide.
  12. Machine d'emballage (1) selon la revendication 11, caractérisée en ce que les évidements peuvent être équipés au choix d'un moyen d'aspiration (44) ou d'un bouchon obturateur (45).
  13. Machine d'emballage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle comporte des rouleaux (22, 23.1, 23.2, 30, 42, 43) pour lesquels l'axe de rotation (49) est relié au corps pivotant (47) du rouleau au moyen d'un joint à soudure laser (51).
  14. Machine d'emballage (1) selon la revendication 13, caractérisée en ce que le rouleau (22, 23.1, 23.2, 30, 42, 43) comporte un palier pivotant (48) relié à la terre.
EP15793793.9A 2014-12-05 2015-11-10 Tendeur rotatif pour machine d'emballage Active EP3227190B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18198236.4A EP3456640B1 (fr) 2014-12-05 2015-11-10 Tendeur rotatif pour une machine d'emballage

Applications Claiming Priority (3)

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DE102014225023 2014-12-05
DE102015210945 2015-06-15
PCT/EP2015/076189 WO2016087169A1 (fr) 2014-12-05 2015-11-10 Tendeur rotatif pour machine d'emballage

Related Child Applications (1)

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EP18198236.4A Division EP3456640B1 (fr) 2014-12-05 2015-11-10 Tendeur rotatif pour une machine d'emballage

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EP3227190A1 EP3227190A1 (fr) 2017-10-11
EP3227190B1 true EP3227190B1 (fr) 2018-10-03

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US (1) US20170327257A1 (fr)
EP (2) EP3456640B1 (fr)
CN (1) CN107000860B (fr)
BR (1) BR112017011887B1 (fr)
ES (2) ES2897652T3 (fr)
WO (1) WO2016087169A1 (fr)

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CN107776980B (zh) * 2017-11-17 2022-12-27 山东科技大学 一种全自动封杯机及其应用
DE102017131417A1 (de) 2017-12-29 2019-07-04 Weber Maschinenbau Gmbh Breidenbach Vorrichtung zum Verpacken von Objekten
EP3793908A1 (fr) * 2018-05-18 2021-03-24 GEA Food Solutions Germany GmbH Déroulement d'un rouleau de film dans une machine de conditionnement
US20210380287A1 (en) * 2018-10-11 2021-12-09 Cryovac, Llc Apparatus and process for making supports or packages, and packaging apparatus and process
JP7253931B2 (ja) * 2019-01-28 2023-04-07 マルホ発條工業株式会社 包装機
WO2020229355A1 (fr) 2019-05-10 2020-11-19 Gea Food Solutions Germany Gmbh Machine d'emballage sans danseur
DE102020204142A1 (de) * 2020-03-31 2021-09-30 Multivac Sepp Haggenmüller Se & Co. Kg Tiefziehverpackungsmaschine mit platzsparender Folienquelle

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Also Published As

Publication number Publication date
ES2897652T3 (es) 2022-03-02
CN107000860A (zh) 2017-08-01
EP3227190A1 (fr) 2017-10-11
BR112017011887B1 (pt) 2022-02-15
CN107000860B (zh) 2019-12-13
EP3456640A1 (fr) 2019-03-20
BR112017011887A2 (pt) 2018-01-09
US20170327257A1 (en) 2017-11-16
ES2702748T3 (es) 2019-03-05
WO2016087169A1 (fr) 2016-06-09
EP3456640B1 (fr) 2021-08-18

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