EP3738893B1 - Operculeuse de barquettes ainsi que procédé de réception en douceur d'une barquette - Google Patents

Operculeuse de barquettes ainsi que procédé de réception en douceur d'une barquette Download PDF

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Publication number
EP3738893B1
EP3738893B1 EP20170678.5A EP20170678A EP3738893B1 EP 3738893 B1 EP3738893 B1 EP 3738893B1 EP 20170678 A EP20170678 A EP 20170678A EP 3738893 B1 EP3738893 B1 EP 3738893B1
Authority
EP
European Patent Office
Prior art keywords
tray
tray holder
speed
trays
holder
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
EP20170678.5A
Other languages
German (de)
English (en)
Other versions
EP3738893A1 (fr
Inventor
Bernd Höpner
Sebastian FACKLER
Peter Riegger
Thomas Magel
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.)
Filing date
Publication date
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Publication of EP3738893A1 publication Critical patent/EP3738893A1/fr
Application granted granted Critical
Publication of EP3738893B1 publication Critical patent/EP3738893B1/fr
Active 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • 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
    • B65B31/025—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 rigid or semi-rigid containers
    • B65B31/028—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 rigid or semi-rigid containers closed by a lid sealed to the upper rim of the container, e.g. tray-like container
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • 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
    • 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
    • B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
    • B65B57/04—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to control, or to stop, the feed of such material, containers, or packages
    • 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
    • B65B61/28—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for discharging completed packages from machines
    • 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
    • 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

Definitions

  • the present invention relates to a tray closing machine according to claim 1. Furthermore, the invention relates to a method for raising and lowering a tray receptacle at a sealing station of a tray closing machine according to independent method claim 9.
  • tray sealing machines which are also called traysealers in practice, it is a technical challenge to gently pick up the trays filled with products and provided for a sealing process within a sealing station within short transport cycles and then within a sealing station to gently set down on a support plate device again during the sealing process.
  • Tilting or wobbling should also be avoided when setting down already closed packaging so that a gripper working functionally on the tray sealing machine can grasp the packaging as precisely and quickly as possible for further transport.
  • this presupposes that the packaging is made available to the gripper in a precisely positioned manner at a predetermined position, in particular when it is stationary.
  • DE 691 01 374 T2 and DE 695 05 877 T2 disclose a motor-driven lifting mechanism of a packaging machine, wherein the lifting speed can be changed during the movement.
  • the object of the invention is to improve a tray closing machine and a method using constructive means that are as simple as possible in such a way that a gentle and efficient tray transport within a sealing station is ensured.
  • the invention should be able to be implemented cost-effectively.
  • the invention relates to a tray sealing machine which comprises at least one feed unit for transporting trays in one production direction, a sealing station downstream of the feed unit in the production direction for producing packaging, at least one discharge unit downstream of the sealing station in the production direction, and a gripper device.
  • the gripper device is designed to pick up trays provided on the feed unit in a transport cycle and to transport them to the sealing station for a tray closing process taking place therein and to pick up packaging produced within the sealing station and transport them to the removal unit.
  • the sealing station has an upper tool part, which comprises a sealing tool, and a lower tool part, which comprises a support plate device for depositing the trays transported into the sealing station and a height-adjustable tray holder for receiving and transporting the trays delivered to the support plate device to the upper tool part.
  • the tray closing machine comprises a lifting mechanism which is designed to move the tray holder from a first position, in which the tray holder is in an initial position when the sealing station is open, to a second position in which the tray holder is in a closed state Sealing station is located in a working position moved towards the upper tool part, to move along a first predetermined movement sequence.
  • the tray holder can be adjusted along the first sequence of movements by means of the lifting mechanism in such a way that the tray holder picks up the trays provided on the support plate device at a predetermined pick-up speed.
  • the tray closing machine is configured so that a local rate of change in the speed of the tray pick-up during the first movement sequence has changed from a positive value to a negative value before the tray pick-up has reached the predetermined pick-up speed and / or the tray pick-up by means of the lifting mechanism from the second position back to the first position along a second predetermined sequence of movements, which is provided for opening the sealing station, can be adjusted in such a way that the tray holder transfers the packaging it has picked up to the support plate device at a predetermined depositing speed Rate of change in the speed of the tray pick-up during the second movement sequence has changed from a negative value to a positive value before the tray pick-up has reached the predetermined settling speed.
  • the tray holder together with the sealed packaging is lowered as quickly as possible, in order then to be slowed down to the level of the setting speed in good time before the packaging is set down so that the packs produced can be set down gently. In spite of the rapid lowering of the tray holder achieved in this way, a gentle setting down of the packaging is guaranteed.
  • an acceleration process is carried out to optimize the performance of the tray sealing machine and then a braking process is carried out to achieve a set-down speed for smooth delivery of the packaging.
  • the lifting mechanism accelerates the tray pick-up relatively quickly in the direction of the trays and ensures that the tray pick-up is braked in good time to the speed level of the pick-up speed, which is greater than zero, on the basis of which the tray pick-up can pick up the trays in a gentle manner.
  • the tray pick-up is first accelerated during the first movement sequence from the first position above the speed level of the pick-up speed and then decelerated to the predetermined pick-up speed, which is greater than zero, in order to gently pick up the trays by means of this.
  • the trays are picked up immediately after the braking process. This means that the recording speed results directly from the braking process.
  • the change in sign of the rate of change of speed over time takes place between the acceleration and braking processes above the speed level of the recording speed.
  • the acceleration process which initially takes place during the first movement sequence, in which the speed of the tray pick-up increases continuously up to the braking process, brings about the desired performance optimization of the operation of the tray sealing machine in the invention.
  • the braking process following the acceleration process during the first movement sequence has the effect that the tray receptacle reaches a suitable pick-up speed for gently picking up the provided trays.
  • the change in the local temporal rate of change in the speed of the tray pick-up during the first movement sequence from a positive value to a negative value preferably takes place exactly once before the tray pick-up has reached the predetermined pick-up speed resulting from the braking process.
  • the speed of the tray receptacle during the first movement sequence is initially continuous up to a predetermined speed which is greater than that Recording speed, increased and, once the predetermined speed has been reached, continuously reduced to the recording speed.
  • the lifting mechanism already used at the sealing station for the tray pick-up can be controlled simply by means of a control of the tray closing machine in order to coordinate the sequence of movements of the tray pick-up according to the invention. It would be conceivable that corresponding trajectories for the first and / or the second movement sequence are stored and can be called up for the tray pick-up with regard to different tray types, with the aid of which the gentle tray pick-up and the gentle placement of finished packaging can be controlled.
  • the tray receptacle together with the trays received on it, can preferably be moved for a predetermined time interval at the pickup speed.
  • the trays can be received in the tray holder in a particularly precise position and in a stationary manner.
  • the tray sealing machine is configured so that the rate of change over time of the speed of the tray receptacle, including the trays received therein, changes from a positive value to a negative value during the first movement before the tray receptacle is in the second position has arrived.
  • the tray pickup accelerates together with the trays, ie after they have been picked up, to a predetermined speed, preferably up to a maximum speed of the lifting process, before they are then timely before reaching the second position, ie the working position for Performing a sealing process, is braked.
  • This acceleration and braking sequence leads to shortened transport cycles of the trays received by means of the tray holder to the sealing tool.
  • the tray receptacle can preferably be moved at the set-down speed for a predetermined time interval from a transfer point in time at which the packs are delivered to the support plate device. This ensures that the packaging can be set down carefully and precisely at predetermined positions on the support plate device.
  • the tray closing machine is preferably configured so that the rate of change over time of the speed of the tray pick-up during the second movement sequence has changed from a negative value to a positive value after the packages have been delivered to the support plate device at the set-down speed and before the tray pick-up has returned to the first position is. This makes it possible for the tray receptacle to return to its starting position as quickly as possible after the packaging has been transferred from it to the support plate device, so that it can pick up trays that have been provided again within a short time for a subsequent tray closing process.
  • the effort can be minimized in that the first movement sequence and the second movement sequence are essentially symmetrical. It would be conceivable that the second movement sequence has higher accelerations than the first movement sequence, since the packaging is already closed here.
  • the pick-up speed and / or the set-down speed can be variably set on the tray sealing machine.
  • the tray closing machine is preferably configured so that the tray pick-up reaches the pick-up speed at a predetermined pick-up position along the first movement sequence before the trays provided on the support plate device are picked up on the tray edges formed thereon by the tray pick-up.
  • means for receiving the respective trays formed on the tray holder are still spaced approximately 2.5 mm from the tray edges when the tray holder has arrived in the pick-up position, i.e. when the tray holder is braked to the predetermined pick-up speed.
  • the tray closing machine is configured so that the tray receptacle reaches the set-down speed along the second movement sequence at a predetermined set-down position before the packs are set down on the support plate device by means of packaging bottoms formed thereon. It is conceivable that the tray receptacle has arrived in the predetermined set-down position when the packaging bottoms of the trays received in the tray receptacle are positioned approximately 2.5 mm above the receiving plates provided on the support plate device.
  • a sealing process can be carried out particularly advantageously if the sealing tool is mounted within the upper part of the tool in a height-adjustable manner.
  • the sealing station is preferably configured to carry out an evacuation and / or gassing process in order to produce a desired atmosphere within the packaging.
  • An inexpensive and simple design of the tray sealing machine provides that the support plate device, in particular the support plate formed thereon, is mounted in a stationary manner at the sealing station. According to the invention, the gentle picking up of the trays and the smooth setting down of the sealed packaging is achieved by the special lifting movement by means of the lifting mechanism used for the tray pick-up at the sealing station. An additional lifting mechanism for the support plate device can thus be dispensed with on the tray closing machine according to the invention.
  • the invention also relates to a method for raising and lowering a tray receptacle at a sealing station of a tray sealing machine.
  • trays provided on a support plate device are picked up by means of the shell holder and are transported for a shell closing process to an upper tool part positioned above the shell holder.
  • the tray holder is moved by means of a lifting mechanism from a first position, in which the tray holder is in an initial position when the sealing station is open, to a second position in which the tray holder is in a working position moved towards the upper part of the tool when the sealing station is closed located, adjusted along a first predetermined sequence of movements, wherein the tray receptacle picks up the trays provided on the support plate device at a predetermined pick-up speed.
  • a rate of change over time in the speed of the tray pick-up changes from a positive value to a negative value during the first movement sequence before the tray pick-up reaches the predetermined pick-up speed and / or the tray pick-up by means of the hoist after a tray closing process returns from the second position to the first Position is adjusted along a second predetermined movement sequence in such a way that the tray receptacle transfers manufactured, ie sealed, packaging picked up on it at a predetermined set-down speed to the support plate device, a rate of change of the speed changing over time during the second movement sequence from a negative value to a positive value before the tray pick-up reaches the predetermined settling speed.
  • the acceleration of the shell receptacle from the second position is initially carried out until it is reached carried out a predetermined, in particular maximum lowering speed. Following this, but before the packaging received on it is released, the tray pick-up is decelerated to a speed level of the predetermined set-down speed, by means of which the tray pick-up gently transfers the packaging to the support plate device.
  • a shortened lifting time to optimize the performance of the tray closing process and, at the same time, a gentle lowering of the sealed packaging can be achieved.
  • the tray pick-up is first accelerated to a speed level above the pick-up speed and then braked in order to reach the predetermined pick-up speed by means of which the provided trays can be picked up gently by means of the tray pick-up.
  • the acceleration and deceleration of the tray holder causes both a performance-optimized shift of the tray holder and a gentle pick-up of the trays.
  • the tray receptacle is preferably increased at the pickup speed for a predetermined time interval from a point in time at which the trays are picked up on it. This ensures that the trays picked up by means of the tray holder can take up their exact position on the tray holder before they are lifted further.
  • an advantageous variant provides that the rate of change over time of the speed of the tray holder, including the trays picked up on it, changes from a positive value to a negative value during the first movement sequence before the tray holder has reached the second position.
  • the tray pick-up is accelerated further up to a predetermined speed level, preferably up to a maximum lifting speed, in order then to be decelerated until it arrives at the second position, ie until it comes to a standstill, whereby a particularly rapid adjustment movement of the shell holder towards the upper part of the tool is achieved.
  • the sealed packagings can be delivered to the support plate device with particularly precise positioning in that the tray receptacle is further lowered for a predetermined time interval at the depositing speed from a transfer point in time at which the packaging is delivered to the support plate device.
  • a quick return to the first position of the tray holder is promoted by the fact that the rate of change of the speed of the tray holder changes from a negative value to a positive value afterwards during the second movement sequence the packages are delivered to the support plate device at the lowering speed and before the tray receptacle has returned to the first position.
  • FIG 1 shows a tray sealing machine 1.
  • the tray sealing machine 1 is designed as a so-called traysealer.
  • the tray sealing machine 1 comprises a feed unit 2 for transporting trays T in a production direction P, the trays T for example in Figure 2a to be shown.
  • the feed unit 2 is followed by a sealing station 3 for producing packaging V.
  • the packages V are by a shell closing process S according to Figure 2f manufactured.
  • FIG. 1 Also shows Figure 1 a discharge unit 4, which is arranged downstream of the sealing station 3 in the production direction P, for the discharge of manufactured packaging V.
  • the tray closing machine 1 the end Figure 1 furthermore has a gripper device 5 which is designed to pick up trays T provided on the feed unit 2 in a transport cycle and to transport them to the sealing station 3 for the shell closing process S taking place therein.
  • the gripper device 5 is configured to pick up packages V produced within the sealing station 3 and to transport them to the discharge unit 4.
  • the sealing station 3 has according to Figure 1 an upper tool part 6 and a lower tool part 7.
  • FIG 2a shows the sealing station 3 from Figure 1 isolated in a schematic sectional view.
  • the sealing station 3 is located in the Figure 2a in an open state.
  • the lower tool part 7 is positioned below the upper tool part 6 at a distance.
  • the upper tool part 6 comprises a sealing tool 8.
  • the lower tool part 7 provides a support plate device 9 which is used to deposit the trays T transported into the sealing station 3.
  • the lower tool part 7 comprises a height-adjustable mounted shell receptacle 10 for receiving and transporting the trays T placed on the support plate device 9 to the upper tool part 6 positioned above it.
  • Figure 2a also shows a lifting mechanism 11, which is designed to move the shell receptacle 10 from one in the Figure 2a first position P1 shown in a later in connection with the Figures 2e and 2f to move described second position P2.
  • first position P1 when the sealing station 3 is open, the tray receptacle 10 is stored in an initial position.
  • second position P2 when the sealing station 3 is closed, the shell receptacle 10 is in a working position moved towards the upper tool part 6.
  • An evacuation, gassing and / or sealing process can be carried out in the working position.
  • the support plate device 9 is equipped with support plates 12, on which tray bases B of the respective trays T sit.
  • the tray receptacle 10 is raised by means of the lifting mechanism 11 and has receptacles 13 which receive the trays T provided at the tray rims R thereof.
  • the tray receptacle 10 is lifted vertically along a direction Y in order to receive the trays T made available.
  • Figure 2b shows the sealing station 3 with one above its in Figure 2a shown starting level raised shell receptacle 10.
  • the respective receptacles 13 have approached the shell edges R of the trays T.
  • the respective trays T still stand with the shell bottoms B formed thereon on the respective support plates 12 of the support plate device 9.
  • Figure 2c shows the height-adjustable shell receptacle 10 with trays T received on the receptacles 13 formed thereon. The respective trays T are now no longer on the support plate device 9.
  • Figure 2d shows the tray receptacle 10 in an even further raised position, shortly before the sealing station 3 is closed.
  • the shell receptacle 10 is shown in the second position P2, in which the shell receptacle 10 is in a working position moved towards the upper tool part 6 when the sealing station 3 is closed.
  • the sealing station 3 is now in a hermetically sealed state in order to optionally carry out an evacuation and / or gassing process within a chamber formed therein.
  • the sealing tool 8 is made from the in Figure 2e position shown in the Figure 2f The position shown is lowered in order to close the trays T provided in the tray receptacle 10 by means of an upper film (not shown) (tray closing process S). The upper film is sealed along the tray edges R onto the trays T provided. The packagings V are then separated within the sealing station 3.
  • the Figures 2a to 2f show a closing process of the sealing station 3, the tray receptacle 10 being adjusted from the first position P1 to the second position P2, in which the tray closing process S can take place on the trays T received therein.
  • the respective trays T provided by means of the tray holder 10 have been sealed, they are transported back to the support plate device 9 by means of the tray holder 10.
  • the shell receptacle 10 returns to the first position P1 so that the in Figure 1
  • the gripper device 5 shown can pick up the sealed packaging V placed on the support plate device 9 and transport it to the discharge unit 4.
  • FIG 3 shows a sequence of movements A, which can be used for raising and lowering the tray receptacle 10 for closing and opening the sealing station 3.
  • the movement sequence A comprises a first predetermined movement sequence A1, with the aid of its speed profile raising the tray holder 10 from the first position P1, in which the tray holder 10 is in the starting position when the sealing station 3 is open, to the second position P2, in which the shell receptacle 10 is in a closed state of the sealing station 3 in the working position moved towards the upper tool part 6 is shown.
  • the tray holder 10 can be adjusted along the first movement sequence A1 by means of the lifting mechanism 11 in such a way that the tray holder 10 takes along the trays T provided on the support plate device 9 at a predetermined pickup speed v1 at time t1.
  • Figure 3 shows that the shell receptacle 10 is initially accelerated along the first movement sequence A1 up to an approach speed v2 and is braked as soon as the approach speed v2 is reached down to the receptacle speed v1.
  • the amount of the approach speed v2 is greater than the recording speed v1.
  • the tray holder 10 is thus first accelerated to a speed level above the pickup speed v1 and then decelerated again to the pickup speed v1 before the trays T are picked up at it at the pickup speed v1.
  • a local temporal rate of change G of the speed changes from a positive value to a negative value along the first movement section A1 before the trays T are picked up on the tray holder 10 before the tray holder 10 has reached the predetermined pickup speed v1.
  • the tray holder 10 moves in Figure 3 along a time interval X1 with an almost constant speed, ie essentially with the recording speed v1.
  • FIG. 3 shows Figure 3 that after the trays T have been picked up, the tray holder 10 is initially accelerated further along the first movement sequence A1 and then braked, that is, the rate of change G of the speed changes again from a positive value to a negative value before the tray holder 10 is in the second position P2, ie in the working position, in which the shell closing process S is running.
  • the shell closing process S takes place within a predetermined time interval. Following the shell closing process S, the sealing station 3 is opened again.
  • the shell receptacle 10 is displaced along the second predetermined movement sequence A2 by means of the lifting mechanism 11 from the second position P2 back to the first position P1.
  • the tray receptacle 10 has accelerated until it reaches a maximum lowering speed v5, from which point the tray receptacle 10 is braked down to the deposition speed v4.
  • the tray receptacle 10 is moved along a time interval X2 is moved essentially constantly at the set-down speed v4 in order to gently set down the packaging V produced on the support plate device 9.
  • the shell receptacle 10 is accelerated again and then braked so that it quickly returns to the first position P1.
  • the packs V are then supported by the support plate device 9 by means of the in Figure 1
  • the gripper device 5 shown is picked up and transferred to the discharge unit 4.
  • the gripper device 5 can place new trays T on the support plate device 9.
  • the tray transport is repeated according to the sequence of movements A in order to produce new packages V.
  • the movement sequence A shown for the tray holder 10 of the sealing station 3 has the technical effect that the trays T can be gently picked up by the tray holder 10 and the sealed packages V can also be gently set down by the tray holder 10.
  • the set sequence of movements A also ensures rapid tray transport within the sealing station 3, so that the tray closing machine 1 according to the invention can efficiently transport trays and sealed packaging within shortened transport cycles.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Closing Of Containers (AREA)
  • Package Closures (AREA)

Claims (13)

  1. Machine de scellage de coques (1) comprenant au moins une unité d'alimentation (2) pour le transport de barquettes (T) dans une direction de production (P), une station de scellage (3) en aval de l'unité d'alimentation (2) en direction de production (P) pour fabriquer des emballages (V), au moins une unité d'évacuation (4) en aval de la station de scellage (3) en direction de production, ainsi qu'un dispositif de prise (5) qui est configuré pour saisir les barquettes préparées (T) sur l'unité d'alimentation (2) dans un cycle de transport et pour les transporter dans la station de scellage (3) pour une opération de fermeture de coque (S) qui y a lieu ainsi que pour recevoir des emballages (V) produits dans la station de scellage (3) et les transporter vers l'unité d'évacuation (4), dans laquelle la station de scellage (3) comporte une partie supérieure de l'outil (6) qui comprend un outil de scellage (8) ainsi qu'une partie inférieure de l'outil (7) qui comprend un dispositif de plateau de support (9) où sont déposées les barquettes (T) transportées dans la station de scellage (3) et une saisie de coque (10) réglable en hauteur pour saisir et transporter les barquettes (T) apportées au dispositif de plateau de support (9) jusqu'à la partie supérieure de l'outil (6), dans laquelle la machine de scellage de coques (1) comporte en outre un dispositif de levage (11) conçu pour déplacer la saisie de coque (10) depuis une première position (P1) dans laquelle se trouve la saisie de coque (10) à l'état ouvert de la station de scellage (3) dans une position initiale, jusqu'à une deuxième position (P2) dans laquelle se trouve la saisie de coque (10) dans une position de travail approchée de la partie supérieure de l'outil (6) à l'état fermé de la station de scellage (3), selon une première séquence de déplacement prédéterminée (A1), dans laquelle la saisie de coque (10) est déplaçable par le dispositif de levage (11) selon la première séquence de déplacement (A1) de telle sorte que la saisie de coque (10) saisit les barquettes (T) préparées sur le dispositif de plateau de support (9) à une vitesse de saisie prédéterminée (v1),
    caractérisée en ce que la machine de scellage de coques (1) est configurée de telle sorte qu'un taux de variation temporel (G) de la vitesse de la saisie de coque (10) est commuté d'une valeur positive à une valeur négative durant la première séquence de déplacement (A1), avant que la saisie de coque (10) n'ait atteint la vitesse de saisie prédéterminée (v1), et/ou en ce que la saisie de coque (10) est déplaçable pour être renvoyée par le dispositif de levage (11) de la deuxième position (P2) à la première position (P1) selon une deuxième séquence de déplacement prédéterminée (A2), qui est conçue pour ouvrir la station de scellage (3), de telle sorte que la saisie de coque (10) transfère les emballages fabriqués qui lui sont enlevés (V) à une vitesse de pose prédéterminée (v4) au dispositif de plateau de support (9), dans laquelle un taux de variation temporel (G) de la vitesse de la saisie de coque (10) est commuté d'une valeur négative à une valeur positive durant la deuxième séquence de déplacement (A2), avant que la saisie de coque (10) n'atteigne la vitesse de pose prédéterminée (v4).
  2. Machine de scellage de coques selon la revendication 1, caractérisée en ce que la saisie de coque (10) peut être déplacée conjointement aux barquettes qui lui sont enlevées (T) durant un intervalle temporel prédéterminé (X1) à la vitesse de saisie (v1).
  3. Machine de scellage de coques selon la revendication 1 ou 2, caractérisée en ce que la machine de scellage de coques (1) est configurée de telle sorte que le taux de variation temporel (G) de la vitesse de la saisie de coque (10), conjointement aux barquettes (T) qui y sont saisies, est commuté d'une valeur positive à une valeur négative durant la première séquence de déplacement (A1), avant que la saisie de coque (10) n'arrive dans la deuxième position (P2) .
  4. Machine de scellage de coques selon l'une des revendications précédentes, caractérisée en ce que la saisie de coque (10), à un point temporel de transfert où les emballages (V) sont apportés au dispositif de plateau de support (9), peut être déplacée durant un intervalle temporel prédéterminé (X2) à la vitesse de pose (v4).
  5. Machine de scellage de coques selon l'une des revendications précédentes, caractérisée en ce que la machine de scellage de coques (1) est configurée de telle sorte que le taux de variation temporel (G) de la vitesse de la saisie de coque (10) est commuté d'une valeur négative à une valeur positive durant la deuxième séquence de déplacement (A2), après que les emballages (V) sont apportés à la vitesse de pose (v4) au dispositif de plateau de support (9) et avant que la saisie de coque (10) ne soit revenue à la première position (P1).
  6. Machine de scellage de coques selon l'une des revendications précédentes, caractérisée en ce que la vitesse de saisie (v1) et/ou la vitesse de pose (v4) peuvent être réglées de manière variable sur la machine de scellage de coques (1).
  7. Machine de scellage de coques selon l'une des revendications précédentes, caractérisée en ce que la machine de scellage de coques (1) est configurée de telle sorte que la saisie de coque (10) atteint la vitesse de saisie (v1) à une position de saisie prédéterminée, selon la première séquence de déplacement (A1), avant que les barquettes (T) préparées sur le dispositif de plateau de support (9) soient saisies par la saisie de coque (10) par des bords de barquette (R) qui y sont constitués.
  8. Machine de scellage de coques selon l'une des revendications précédentes, caractérisée en ce que la machine de scellage de coques (1) est configurée de telle sorte que la saisie de coque (10) atteint la vitesse de pose (v4) à une position de dépôt prédéterminée selon la deuxième séquence de déplacement (A2), avant que les emballages (V) soient déposés sur le dispositif de plateau de support (9) via les fonds d'emballage qui y sont constitués (B).
  9. Procédé de levage et d'abaissement d'une saisie de coque (10) dans une station de scellage (3) d'une machine de scellage de coques (1) dans lequel, lors du levage de la saisie de coque (10), des barquettes (T) préparées sur un dispositif de plateau de support (9) sont saisies au moyen de la saisie de coque (10) et sont transportées pour une opération de fermeture de coque (S) jusqu'à une partie supérieure de l'outil (6) positionnée au-dessus de la saisie de coque (10), dans lequel la saisie de coque (10) est déplacée par un dispositif de levage (11) depuis une première position (P1) dans laquelle se trouve la saisie de coque (10) à l'état ouvert de la station de scellage (3) dans une position initiale jusqu'à une deuxième position (P2) dans laquelle se trouve la saisie de coque (10) dans une position de travail approchée de la partie supérieure de l'outil (6) à l'état fermé de la station de scellage (3), selon une première séquence de déplacement prédéterminée (A1), dans lequel la saisie de coque (10) enlève les barquettes (T) préparées sur le dispositif de plateau de support (9) à une vitesse de saisie prédéterminée (v1),
    caractérisé
    en ce que le taux de variation temporel (G) de la vitesse de la saisie de coque (10) est commuté d'une valeur positive à une valeur négative durant la première séquence de déplacement (A1), avant que la saisie de coque (10) n'atteigne la vitesse de saisie prédéterminée (v1), et/ou en ce que la saisie de coque (10) est renvoyée de la deuxième position (P2) à la première position (P1) par le dispositif de levage (11) suite à une opération de fermeture de coque (S) selon une deuxième séquence de déplacement prédéterminée (A2) de telle sorte que la saisie de coque (10) transfère les emballages préparés qui lui sont enlevés (V) au dispositif de plateau de support (9) à une vitesse de pose prédéterminée(v4), dans lequel le taux de variation temporel (G) de la vitesse est commuté d'une valeur négative à une valeur positive durant la deuxième séquence de déplacement (A2), avant que la saisie de coque (10) n'atteigne la vitesse de pose prédéterminée (v4).
  10. Procédé selon la revendication 9, caractérisé en ce que la saisie de coque (10) est soulevée durant un intervalle temporel prédéterminé (X1) à la vitesse de saisie (v1) à un point temporel où les barquettes (T) lui sont enlevées.
  11. Procédé selon la revendication 9 ou 10, caractérisé en ce que le taux de variation temporel (G) de la vitesse de la saisie de coque (10), conjointement aux barquettes (T) qui y sont enlevées, est commuté d'une valeur positive à une valeur négative durant la première séquence de déplacement (A1), avant que la saisie de coque (10) n'atteigne la deuxième position (P2).
  12. Procédé selon l'une des revendications précédentes 9 à 11, caractérisé en ce que la saisie de coque (10) est ensuite abaissée durant un intervalle temporel prédéterminé (X) à la vitesse de pose (v4) à un point temporel de transfert où les emballages (V) sont apportés au dispositif de plateau de support (9).
  13. Procédé selon l'une des revendications précédentes 9 à 12, caractérisé en ce que le taux de variation temporel (G) de la vitesse de la saisie de coque (10) est commuté d'une valeur négative à une valeur positive durant la deuxième séquence de déplacement (A2), après que les emballages (V) sont apportés à la vitesse de pose (v4) au dispositif de plateau de support (9) et avant que la saisie de coque (10) soit revenue à la première position (P1).
EP20170678.5A 2019-04-30 2020-04-21 Operculeuse de barquettes ainsi que procédé de réception en douceur d'une barquette Active EP3738893B1 (fr)

Applications Claiming Priority (1)

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DE102019206209.1A DE102019206209A1 (de) 2019-04-30 2019-04-30 SCHALENVERSCHLIEßMASCHINE SOWIE VERFAHREN ZUR SANFTEN AUFNAHME EINER SCHALE

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EP3738893A1 EP3738893A1 (fr) 2020-11-18
EP3738893B1 true EP3738893B1 (fr) 2021-08-18

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US (1) US11155372B2 (fr)
EP (1) EP3738893B1 (fr)
CN (1) CN111846468B (fr)
DE (1) DE102019206209A1 (fr)
ES (1) ES2897826T3 (fr)

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US11537502B1 (en) * 2021-11-19 2022-12-27 Bank Of America Corporation Dynamic system for active detection and mitigation of anomalies in program code construction interfaces
EP4279398A1 (fr) * 2022-05-20 2023-11-22 G. Mondini SpA Appareil pour l'application d'un film sur un support

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DE102019206209A1 (de) 2020-11-05
EP3738893A1 (fr) 2020-11-18
US20200346801A1 (en) 2020-11-05
US11155372B2 (en) 2021-10-26
CN111846468B (zh) 2022-01-11
CN111846468A (zh) 2020-10-30
ES2897826T3 (es) 2022-03-02

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