WO2020169311A9 - Dispositif pour la détection de corps étrangers et procédé pour la détection de corps étrangers - Google Patents

Dispositif pour la détection de corps étrangers et procédé pour la détection de corps étrangers Download PDF

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Publication number
WO2020169311A9
WO2020169311A9 PCT/EP2020/052163 EP2020052163W WO2020169311A9 WO 2020169311 A9 WO2020169311 A9 WO 2020169311A9 EP 2020052163 W EP2020052163 W EP 2020052163W WO 2020169311 A9 WO2020169311 A9 WO 2020169311A9
Authority
WO
WIPO (PCT)
Prior art keywords
belt
detection means
wheel
toothed belt
toothed
Prior art date
Application number
PCT/EP2020/052163
Other languages
German (de)
English (en)
Other versions
WO2020169311A1 (fr
Inventor
Christoph Schroeder
Original Assignee
Sig Technology Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sig Technology Ag filed Critical Sig Technology Ag
Publication of WO2020169311A1 publication Critical patent/WO2020169311A1/fr
Publication of WO2020169311A9 publication Critical patent/WO2020169311A9/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G1/00—Driving-belts
    • F16G1/28—Driving-belts with a contact surface of special shape, e.g. toothed
    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • 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
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines
    • B65B43/145—Feeding carton blanks from piles or magazines
    • 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
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/265—Opening, erecting or setting-up boxes, cartons or carton blanks
    • 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
    • B65B43/50—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 rotary tables or turrets
    • 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
    • B65B43/52—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 roller-ways or endless conveyors
    • 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
    • B65B51/144—Closing paperboard containers
    • 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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/025—Packaging in aseptic tunnels
    • 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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
    • B65B55/10—Sterilising wrappers or receptacles prior to, or during, packaging by liquids or gases
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/023—Power-transmitting endless elements, e.g. belts or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • B65G15/42—Belts or like endless load-carriers made of rubber or plastics having ribs, ridges, or other surface projections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/40—Safety features of loads, equipment or persons

Definitions

  • the invention relates to a device for handling packaging materials
  • Pack blanks, packs and / or packaging in particular filling machine for filling products in packs, with a drive device for
  • the invention also relates to a method for operating such a device.
  • the pack bodies are in particular packs that are open on one side and the products are in particular flowable foods.
  • Packing blanks open on one side in the form of so-called packing bodies are often produced from packing blanks in the form of packing shells open on both sides.
  • the corresponding methods and devices usually serve one first partial step in the production of filled packs, whereby methods and devices for filling packs with products in different configurations are also known.
  • Corresponding devices are mostly so-called filling machines, which are supplied with flat-folded packaging jackets and the product to be filled.
  • the packaging jackets are made in particular from packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks, in particular by sealing the longitudinal edges of the packaging material laminate blanks
  • Packing material laminate cuts on top of each other.
  • the inner longitudinal edge can be folded outwards in order to prevent moisture from penetrating into the packaging material laminate, in particular the cardboard box.
  • Packing jackets formed from a packaging material laminate, which are open at the opposite longitudinal ends, are thus produced.
  • the packing coats are usually along four lengthways to the
  • the package jacket is pre-folded along the bending lines, so that the later edges of the typically form a square or rectangular cross-section
  • Pack can be easily and reliably formed when forming the pack body open on one side.
  • the pack sleeves are folded flat around two opposite folding edges. Two of the pre-folded bending lines are then folded back again. The other two bending lines form the folding edges.
  • the pack jacket then essentially forms two sections which run parallel to one another and lie on top of one another with their inner sides.
  • the flat-folded packaging jackets are stacked on a magazine of the
  • the protruding part of the package jacket can be folded against the end face of the mandrel and pressed and sealed there.
  • the packing jacket is closed in this way and regularly forms the bottom of the later filled pack.
  • the closed end of the pack jacket could also form the head of the later pack if it is filled through the open bottom, for example.
  • the packing body which is open on one side, is filled independently of this through the open longitudinal end of the single-sided packing body.
  • Pack blanks can be understood as meaning all preliminary stages in the production of packs. These can be, for example, pack blanks or pack jackets formed from such pack blanks. Pack blanks in the form of packing bodies or packs as such are in this context in particular containers such as, for example
  • Composite cardboard packaging which is at least partially formed from a packaging material laminate in the form of a laminate comprising a cardboard layer and outer, in particular thermoplastic, plastic layers, for example made of polyethylene (PE).
  • the cardboard gives the packs sufficient stability so that the packs can be easily handled and, for example, stacked.
  • Plastic layers protect the carton from moisture and the food from absorbing unwanted substances from the packaging.
  • further layers such as an aluminum layer, can be provided which prevent diffusion of oxygen and other gases through the packaging material laminate.
  • Corresponding pack bodies or pack blanks are typically filled with products in the form of food, in particular beverages, whereby the products primarily come into question as flowable products.
  • the packing bodies are filled with food in a sterile or aseptic environment of a filling machine, since the food should have a long shelf life after the packing has been filled. The filling machines show this
  • Packing bodies are sterilized and then filled and sealed under as sterile conditions as possible. After the packing bodies have been filled, they are typically closed in the filling machine. Using corresponding packaging material laminates, the packaging body is closed by sealing the open end.
  • the packaging bodies which are open on one side, are placed in a sterilization zone of the
  • Transport device are handed over.
  • the transport device then ensures that the pack bodies are transported through the sterilization zone of the filling machine at a defined speed at a defined distance from one another.
  • the pack bodies are preheated with hot sterile air and then, typically with hydrogen peroxide, sterilized and dried with sterile air.
  • the sterile packaging bodies are transferred to the filling and sealing zone and filled there. Then the opening of the filled
  • Transport device transported from the filling and sealing zone and then removed from the corresponding cells of the transport device.
  • the transport device for transporting the package body through the
  • the filling machine can comprise a so-called cell chain, in which a large number of individual cells are arranged one behind the other and combined to form a circulating cell chain.
  • the cells each serve to accommodate individuals
  • the cell chain can be driven via at least one chain or belt, such as a toothed belt, which is arranged in the filling machine rotating around at least two wheels, in particular gear wheels, meshing with the chain or belt.
  • One of the wheels can be driven by a motor in order to drive the chain or the belt in the transport device.
  • the package bodies are transported in a straight line through the filling machine by the transport device.
  • Filling machines are also known as cross-country machines.
  • the So-called rotary the packing bodies describe a more or less arc-shaped movement that can include at least one circular arc section.
  • the present invention basically relates to both types of filling machines.
  • Interruption position adjustable detection means and with at least one sensor means for detecting the at least one detection means provided in the interruption position is provided.
  • the stated object is also achieved according to claim 9 by a method for operating a device according to one of claims 1 to 8,
  • the at least one detection means comes into contact with a foreign body located on the inside of the belt and as a result of the belt being moved further past the at least one detection means from the at least one release position into the at least one
  • the interruption position is adjusted,
  • the at least one sensor means detects the adjustment of the at least one detection means into the at least one interruption position and emits a signal to interrupt the operation of the device.
  • the invention is based on a simple and reliable detection of
  • a foreign body detection is assigned to the inside of the at least one belt on which the presence of foreign bodies is particularly disruptive.
  • the foreign body detection is spaced from the at least one wheel, for example for several reasons. For example, it is desirable to remove the foreign bodies in front of the wheel, because the foreign bodies getting between the wheel and the belt can lead to considerable damage.
  • the detection of foreign bodies at a distance from a wheel is, if necessary, significantly easier.
  • the foreign body detection has at least one detection means which is provided in such a way that it is in contact with the foreign body Can get contact when the inside of the belt is moved past the at least one detection means. In the meantime, the foreign body, at least if it is large enough, can deflect the detection means.
  • the foreign body is driven by the belt and pressed against the detection means, so that the detection means is moved from at least one release position to at least one interruption position given sufficient pressure. So that this does not go unnoticed, a sensor means is also provided which detects when the detection means is moved into the at least one interruption position.
  • Detection means takes place directly or indirectly.
  • the at least one sensor means can, for example, actively recognize that the detection means is in a
  • the detection means can, however, also actively recognize that the detection means is not arranged in at least one release position. From this it can then be concluded that the detection means must have been moved from the at least one release position into at least one interruption position.
  • the at least one sensor means or, if necessary, a controller connected to the sensor means can emit a signal to interrupt the operation of the device. This means that adjusting the
  • the foreign body can be removed from the device, in particular from the inside of the belt.
  • the device can then be operated again. In other words, the Interruption of the device can be canceled when the relevant foreign body has been removed.
  • the at least one wheel of the drive device is designed as a toothed wheel, which enables a defined transport of the belt.
  • the advantages mentioned are particularly important in this case, since gears
  • Toothed belt can
  • the at least one belt could also be designed, for example, as a perforated flat belt.
  • a corresponding wheel of the drive device could also mesh with this.
  • the wheel could, for example, have domes that engage in the holes in the flat belt.
  • Corresponding perforated flat belts can also interact with toothed wheels, for example by inserting the teeth of the toothed wheels into the holes of the
  • timing belt Connection with timing belt is of particular importance. Also is im In connection with toothed belts, the use of toothed wheels is particularly preferred. So the timing belts and the gears can to a great extent
  • the packaging material can be designed as a cardboard / plastic composite laminate. This means that it is a packaging material laminate consisting of several layers, of which at least individual layers are made of plastic or cardboard. For packing blanks in the form of
  • Composite cardboard packaging which is at least partially formed from a packaging material laminate in the form of a laminate comprising a cardboard layer and outer, in particular thermoplastic, plastic layers, for example made of polyethylene (PE).
  • the cardboard gives the packs sufficient stability so that the packs can be easily handled and, for example, stacked.
  • Plastic layers protect the carton from moisture and the food from absorbing unwanted substances from the packaging.
  • further layers such as an aluminum layer, can be provided, the one
  • the pack blanks and / or the packs are therefore made of one
  • Cardboard / plastic composite laminate formed while the packaging can preferably be filled and closed packs made of a cardboard / plastic composite laminate or cardboard composite packaging.
  • the device for handling packaging materials, packaging blanks, packs and / or packaging is preferably those for producing packaging materials, for forming packaging blanks and / or packs and / or for filling packs open on one side with food and / or for
  • the drive device in particular the belt, preferably the toothed belt, is designed to drive a cell chain for transporting packs that are open on one side and received in the cell chain through the filling machine.
  • Such drives are particularly at risk of being damaged by foreign bodies, since foreign bodies can get through the openings in the cell chain onto the belt, in particular the toothed belt, and complete shielding of the belt, in particular the toothed belt, is only possible to a limited extent.
  • the replacement of such belts, in particular such toothed belts is very complex and tedious.
  • the foreign bodies can be detected in a particularly simple and reliable manner if the at least one detection means is between the at least one
  • Interrupt position and the at least one release position is held pivotable.
  • the detection means can then be easily deflected by the foreign body by moving the detection means around the corresponding pivot axis is pivoted. There is no need for extensive equipment expenditure. Alternatively or additionally, the structural simplicity can be used
  • Foreign bodies are captured. If the detection means is designed and / or attached in such a way that in the release position it is at least partially immersed between adjacent teeth on the inside of the toothed belt, foreign bodies can also be reliably detected if the foreign bodies are only provided in the interdental spaces of the toothed belt. Such foreign bodies can also lead to considerable damage to the toothed belt.
  • the detection of foreign bodies is also very reliable if the at least one detection means is a lip and / or a belt pulley, in particular
  • Toothed belt pulley for contacting with the foreign bodies to be detected. This allows, for example, the entire width of the belt, in particular the toothed belt, to be monitored without great effort. It is particularly useful if the belt pulley, in particular the toothed belt pulley, is provided for rolling on the inside of the belt, in particular the toothed belt, and for simultaneous meshing with the inside of the belt, in particular the toothed belt. In this way, even small foreign bodies can be detected that are on the inside or in the spaces, in particular between the teeth, of the belt,
  • toothed belt are provided. Whether this must then necessarily lead to the detection means reaching at least one interruption position can be determined by setting the foreign body detection. Even very small foreign bodies can be detected very reliably in the gaps, in particular between the teeth, if the belt wheel, in particular the teeth of the toothed belt wheel, to at least predominantly, in particular at least substantially completely, fill the gaps,
  • the belt wheel or the teeth of the Detection means and the interstices, in particular the interdental spaces, of the belt, in particular toothed belt can be designed to correspond to one another to a high degree, if not completely.
  • the at least one sensor means has a, in particular capacitive or inductive, proximity sensor and / or a
  • Has ultrasonic sensor for detecting the detection means in the release position and / or the interruption position.
  • Capacitive or inductive proximity sensors are particularly suitable for determining whether the
  • Detection means is arranged in a certain position or not.
  • the proximity sensor then recognizes the detection means in a certain position or not.
  • Ultrasonic sensors make it possible, for example, to determine a distance of the detection means or a part thereof from a reference point. In this way it can be detected, for example, how far the detection means has been deflected. In other words, more than just two different positions of the detection means can be detected with an ultrasonic sensor. However, by using multiple proximity sensors, the same could be achieved.
  • Release position and / or more than just one interruption position is provided.
  • Several release positions and / or interruption positions can be
  • Interrupt positions lead to a differently delayed and / or differently extensive interruption of the device. Reaching different release positions can be used, for example, to display different operating states and / or warnings to the
  • the at least one sensor means can, if necessary, be provided for detecting the extent of the adjustment of the detection means between the at least one release position and the at least one interruption position, in particular the deflection of the at least one detection means.
  • the extent of the deflection of the detection means can then have an impact on how the control of the device reacts to the corresponding deflection. In the control, different measures can therefore be specified for different deflections and therefore for different types of foreign bodies.
  • a sensor means in the form of an ultrasonic sensor can alternatively or additionally also be used to monitor the vibration behavior of the belt, in particular the toothed belt.
  • the vibration behavior of the belt is related to a temporal variation of the distance between the detection means and the at least one ultrasonic sensor. Since the detection means is in connection with the belt, in particular with the toothed belt, the
  • the corresponding variation in the distance between the ultrasonic sensor and the detection means can be periodic in nature. If necessary, it can be a harmonic oscillation. However, this is not mandatory.
  • the vibration behavior of the detection means and thus of the belt can be an indication of whether deviations from the predetermined operating state occur or whether such deviations are to be feared.
  • Corresponding conclusions can be drawn, for example, on the basis of the amplitudes and / or the frequency of the vibration of the detection by means of and / or the belt, in particular, recorded with the ultrasonic sensor
  • Timing belt pull.
  • a changed vibration behavior can indicate an elongation of the belt, in particular the toothed belt, so that the belt, in particular the toothed belt, can be replaced in good time before malfunctions occur.
  • the vibration behavior of the detection means and thus of the belt can, however, also indicate improper operation of the device. To avoid excessive vibrations of the If the belt, in particular the toothed belt, lead to lasting damage to the device, troubleshooting can be initiated and the device switched off if necessary.
  • the foreign body detection can be connected to a switching device for stopping the drive device of the at least one wheel, in particular the toothed wheel, and / or the belt, in particular the toothed belt.
  • Switching device can be designed separately or as an integral part of the control of the device.
  • the switching device can also be integrated into the at least one sensor means. Regardless of the specific configuration of the switching device, it can ensure that the drive device, the at least one wheel, in particular the gearwheel, and / or the belt, in particular the toothed belt, is stopped when the at least one detection means is arranged in at least one interruption position. If, on the other hand, the at least one detection means is arranged in at least one release position, the switching device can ensure that the drive device, the at least one wheel, in particular the toothed wheel, and / or the belt, in particular the toothed belt, is approached again.
  • the at least one detection means is removed from the at least one as a result of the foreign body
  • the existence of the foreign body can be easily detected.
  • the simplification and the reliability of the foreign body detection are equally used if the detection means is pulled, rolled and / or rolled over the inside of the belt, in particular the toothed belt, in the release position.
  • the detection means comprises, for example, a lip in order to come into contact with the foreign body, it is advisable to pull this lip over the inside of the belt, in particular the toothed belt.
  • the detection means has, for example, a belt pulley, in particular a toothed belt pulley
  • a belt pulley, in particular a toothed belt pulley this meshes, in particular with its teeth, preferably with the belt, in particular with the teeth of the toothed belt. In this way, foreign bodies are also detected that are only located in the spaces, in particular between the teeth, of the belt, in particular toothed belt.
  • the detection means in particular the teeth of the detection means, dip over a predetermined length into the spaces, in particular tooth spaces, of the belt, in particular toothed belt, at least if no foreign bodies are present.
  • the length that the teeth dip into the tooth gaps of the toothed belt can be used to set how large the foreign bodies must be in order to adjust the detection device at all. Since the critical size of the foreign body with the interlocking of the
  • the teeth of the detection means dip over 30%, preferably at least over 50%, in particular at least over 80%, of the height of the interdental spaces on the inside of the toothed belt into the interdental spaces of the toothed belt, at least for as long this is not prevented by foreign bodies.
  • the at least one sensor means has at least one proximity sensor and / or an ultrasonic sensor for this purpose. They are used as a proximity sensor
  • the at least one sensor means detects when the detection means is moved from the at least one release position into the at least one interruption position.
  • the at least one sensor means, preferably via a, in particular capacitive or inductive, proximity sensor and / or a
  • Ultrasonic sensors detect how far the detection means from the at least one Release position has been adjusted in the direction of the at least one interruption position. Then not only discrete positions of the detection means can be detected, but the degree of deflection or the distance of the deflection of the detection means can also be determined. This easily opens up more
  • the foreign body detection in particular the at least one sensor means, can emit a signal to a switching device regardless of the type of sensor means if at least one detection means is in at least one
  • the switching device can then stop the drive device, the at least one wheel, in particular a toothed wheel, and / or the belt, in particular a toothed belt, and thus ensure that there is no lasting damage to the belt, in particular a toothed belt.
  • the switching device can stop the drive device, the at least one wheel, in particular a toothed wheel, and / or the belt, in particular
  • Toothed belt in such a way that the foreign body is still in contact with the at least one detection means when it is stopped. Then the operator of the machine can immediately see where the foreign body is located, which the operator has to remove. This is particularly true if the foreign body is arranged between the at least one detection means and the belt, in particular toothed belt, when it is stopped. In the manner described, it can also be ensured that the operator of the machine is not aware of the existence of the
  • the foreign body detection in particular the at least one sensor means, can emit a signal to a switching device if the at least one detection means is arranged in at least one release position. It can then be concluded from this that the foreign body has been removed and that no further foreign body is present. In principle, there is nothing to prevent the device from being released.
  • the switching device after the drive device, the at least one wheel, in particular the gearwheel, and / or the belt, in particular the toothed belt, has stopped due to a foreign body only as a result of the said signal, i.e. the release signal, the
  • Fig. 1 shows a device according to the invention for filling products in
  • FIG. 2 shows a detail of the device from FIG. 1 in the area of the drive device in a perspective sectional view
  • 3A-B show a detail of the drive device from FIG. 2 in the area of a motor-driven gear from the interior of the drive device and from the outside of the drive device in each case in one
  • FIGS. 4A-B show a detail of the drive device from FIG. 2 in the area of a
  • FIG. 1 is a device 1 for unfolding flat-folded items
  • the device 1 comprises a magazine 5 for holding packaging jackets 2 and a device for forming
  • Packing bodies 3 from the pack jackets 2, which are closed on one side and can thus receive, for example, a flowable food through the remaining opening, are shown.
  • the illustrated device 1, which is preferred in this respect, has a number of parallel processing lines, of which only one processing line 6 is shown in FIG. 3.
  • Each processing line 6 is assigned a magazine 5 with a stack of packs 7 or a bundle of pack jackets 2 folded flat around two fold edges.
  • the pack jackets 2 have been formed from blanks of a packaging material laminate, the longitudinal edges of which are sealed to one another.
  • the pack jackets 2, which are initially folded flat are removed from the pack stack 7 of the magazine 5 and unfolded.
  • the unfolded pack jackets 2 are transferred to a device 8 for shaping the pack body 3, which has a mandrel wheel 9 which, in the illustrated and preferred case, comprises six mandrels 10 and rotates cyclically, i.e. gradually, counter-clockwise in the first mandrel wheel position 1 a pack jacket 2 is pushed onto the mandrel 10.
  • the mandrel wheel 9 is then rotated further into the next mandrel wheel position 11 in which the mandrel 10 protruding longitudinal end of the package jacket 2 is heated by a heating unit 11 with hot air.
  • the heated longitudinal end of the package jacket 2 is pre-folded by a press 12 and in the subsequent one
  • Mandrel wheel position IV in the folded position is tightly closed by a sealing device 13, in particular sealed to form a base 14.
  • a sealing device 13 in particular sealed to form a base 14.
  • a packing body 3 closed on one side is obtained, which is shown in the following
  • Mandrel wheel position V is removed from mandrel 10 and transferred, for example, to a cell 15 of an endless transport device 16 guided in a circle. In principle, however, other transport devices are also possible. In the next
  • Mandrel wheel position VI is assigned to mandrel 10 no work step.
  • the number of mandrel wheel positions or mandrels 1 and the processing steps provided there can, if necessary, differ from the illustration according to FIG. 3 and the associated
  • a spout can be connected to the packaging material laminate in at least one further mandrel wheel position, if required. Then the longitudinal end of the pack jacket closed on the mandrel wheel is preferably the head of the later pack. Whether the packing body is filled by the later head or through the later base plays only a subordinate role in the present case.
  • the packing body 3 removed from the mandrel wheel 9 is transported through the device 1 with the open longitudinal end pointing upwards in the associated cell 15, in particular a cell chain.
  • the packing body 3 enters a
  • Aseptic chamber 17 which comprises a sterilization zone 18 and a filling and sealing zone 19, through which the pack bodies 3 are transported from left to right in the transport direction symbolized by the arrows.
  • the packing bodies 3 need not be transported in a straight line, but can also take place in at least one arc or even in a circle.
  • Sterile air is supplied to the aseptic chamber 17 via corresponding sterile air connections 20.
  • the packing bodies 3 are successively preheated by a preheating device 21 by blowing hot sterile air on them. Then be the packaging bodies 3 are sterilized by means of a sterilizing device 22, preferably using hydrogen peroxide, whereupon the packaging bodies 3 are dried by applying sterile air via a drying device 23 and, after the transition from the sterilization zone 17 to the filling and sealing zone 18, brought into a filling position below a filling outlet 24 will. There the packing bodies 3 are filled with food 25 one after the other. The filled pack bodies 3 are then closed with a closing device 26 by folding the upper region of the pack body 3 and sealing.
  • FIG. 2 shows a detail of the device 1 from FIG. 1 in the area of a
  • the drive device 30 shown in a perspective sectional view.
  • the drive device 30 represents the drive of the transport device 16 and drives the cells 15 in order to transport the toes 15 through the device 1 by means of the transport device 16, for example in the form of a toe chain.
  • the drive device 30 has two toothed belts 31 which each revolve around two toothed wheels 32, 33 and which are connected to the toes 15 of the transport device 16.
  • the teeth 34 of the gears 32,33 mesh with the teeth 35 of the associated toothed belt 31.
  • Transport device 16 is shown only in a short section of drive device 30. In fact, however, the cells 15 are circumferential over the whole
  • Extension of the toothed belt 31 is provided.
  • the cells 15 or the cell chain are / is flanged to the toothed belt 31 at regular intervals.
  • Each of the toothed belts 31 revolves around a motor-driven gear wheel 32 and is kept in motion in this way.
  • the toothed belts 31 are guided with their respective inner sides around the associated gear wheels 32, 33, an upper run and a lower run being formed between the gear wheels 32, 33. Foreign bodies can get onto the lower run of the toothed belt 31, which the toothed belt 31
  • a foreign body detection 36 is assigned to each lower run of a toothed belt 31.
  • the foreign body detection 36 is shown in particular in FIGS. 3A-B, specifically from different sides.
  • the foreign body detection 36 is in the
  • Transport direction T is arranged in front of the gear 32 driven by the motor 37 of the drive device 30.
  • the toothing 34 of the gear 32 corresponds to the toothing 35 of the toothed belt 31, so that both
  • the foreign body detection 36 also has a detection means 38 comprising a toothed belt wheel 39, which rolls on the inside of the associated toothed belt 31 when the toothed belt 31 is driven off.
  • the toothed belt pulley 39 is held on the drive device 30 such that it can pivot about a pivot axis 41 via a pivot connection 40.
  • the detection means 38 can therefore move from the illustrated release position into a non-illustrated one
  • the interruption position can be pivoted in which the toothed belt wheel 39 is raised relative to the associated toothed belt 31. This can take place if there is a foreign body on the toothed belt 31 or in the interdental spaces in the toothing 35, which comes into contact with the detection means 38 and thus deflects the detection means 38 upwards according to the size of the foreign body.
  • the adjustment of the detection means 38 from the illustrated release position into the interruption position is recognized by a sensor means 42 which is assigned to the detection means 38. 4A-B, the foreign body detection 36 is shown enlarged, in FIG. 4A in the release position and in FIG. 4B in the interruption position.In the release position, the toothed belt wheel 39 of the detection meshes with the toothed belt 31 by means of 38.
  • the teeth 43 of the toothed belt wheel 39 plunge at least essentially to the bottom of the tooth gaps 44 of the toothed belt 31.
  • the base of the tooth gaps 45 of the toothed belt wheel 39 rests on the free ends of the teeth 35 of the toothed belt 31.
  • the teeth 43 of the toothed belt wheel 39 are therefore about as long as the teeth 35 of the toothed belt 31 or as the tooth gaps 44 of the toothed belt 31 are deep.
  • a so-called switching flag 46 is assigned to the detection means 38 and can be moved together with the detection means 38 from the release position into the interruption position.
  • the switching flag 46 is arranged in front of the sensor means 42 in the form of a capacitive or inductive proximity switch.
  • the sensor means 42 can thus report to a switching device connected via a cable 47, for example, or to the control of the device 1 that the detection means 38 is in the release position and that therefore further operation of the device 1 is released.
  • a foreign body F on the toothed belt 31 it gets under the toothed belt wheel 39, which is lifted by the foreign body F due to the further transport of the toothed belt 31 in the transport direction T.
  • This is accompanied by a pivoting of the detection means 38 upwards about the pivot axis 41, which is connected to the toothed belt wheel 39 via a pivot lever 48.
  • the detection means 38 is consequently changed to that shown in FIG. 4B
  • Switching flag 46 raised or pivoted upwards. This has the consequence that the sensor means 42 in the form of the proximity switch can no longer detect the switching flag 46. The sensor means 42 accordingly gives a signal to a
  • Toothed belt 31 is free again, for example after the operator of the device 1 has acknowledged the removal of the fault on the control of the device 1. Damage to the toothed belt 31 is therefore excluded.
  • an ultrasonic sensor or another sensor can also be provided instead of the proximity switch in order to be able to detect the degree or the extent of the deflection of the detection means by the foreign body and thus to be able to deduce the size of the foreign body without a Having to provide a plurality of sensors.
  • the ultrasonic sensor can be directed towards the detection means, in particular the switching flag, parallel to the transport direction of the toothed belt.
  • the distance between the detection means and the ultrasonic sensor can then be converted into the degree or the extent of the deflection of the detection means by the foreign body. This information can then be sent to the switching device or the controller

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Conveyors (AREA)

Abstract

La présente invention concerne un dispositif (1) pour manipuler des matériaux d'emballage, des ébauches d'emballage (2, 3), des paquets et/ou des emballages (4), en particulier une machine de remplissage pour le remplissage de produits dans des emballages, comprenant un système d'entraînement (30) pour l'entraînement du dispositif (1), le système d'entraînement (30) présentant au moins une roue (32, 33) et au moins une courroie (31) s'engrenant par son côté intérieur avec la roue (32, 33). Afin de pouvoir mieux éviter des endommagements de la courroie par des corps étrangers, selon l'invention, il est prévu une détection de corps étrangers (38) associée au côté intérieur de la courroie (31) et située à distance de l'au moins une roue (32, 33), avec au moins un moyen de détection (38) déplaçable par un corps étranger (F) se trouvant sur le côté intérieur de la courroie (31) depuis au moins une position de libération dans au moins une position d'interruption, et avec au moins un moyen de capteur (42) pour détecter l'au moins un moyen de détection (38) prévu dans la position d'interruption.
PCT/EP2020/052163 2019-02-22 2020-01-29 Dispositif pour la détection de corps étrangers et procédé pour la détection de corps étrangers WO2020169311A1 (fr)

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DE102019104610.6 2019-02-22
DE102019104610.6A DE102019104610A1 (de) 2019-02-22 2019-02-22 Vorrichtung mit Fremdkörperdetektion sowie Verfahren zur Fremdkörperdetektion

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DE102021124219A1 (de) * 2021-09-20 2023-03-23 Sig Technology Ag Reinigungsverfahren zur Reinigung einer Füllmaschine und Füllmaschine zur Durchführung des Reinigungsverfahrens

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IT968062B (it) * 1972-10-11 1974-03-20 Pelliciari F Dispositivo di sicurezza per gruppi motocompressori
US6204464B1 (en) * 1998-06-19 2001-03-20 Douglas J. Garcia Electronic component handler
DE10216354A1 (de) * 2002-04-13 2003-10-23 Ina Schaeffler Kg Spannvorrichtung
DE102004041705A1 (de) * 2003-09-03 2005-03-31 Phoenix Ag Einrichtung zur Überwachung einer Förderanlage
DE102007001195A1 (de) * 2007-01-05 2008-07-10 Siemens Ag Verfahren und Vorrichtung zur Überwachung eines Riementriebes an einer Verbrennungskraftmaschine
DE202011107446U1 (de) * 2011-11-04 2013-02-06 Eckhard Polman Vorrichtung zur vakuumbasierten Dichtheitsprüfung von in einem kontinuierlichen Verpackungsstrom zugeführten Verpackungen
DE102013107223B4 (de) * 2013-07-09 2017-12-07 Sig Technology Ag Vorrichtung und Verfahren zum Auffalten, Befüllen und Verschließen von Packungsmänteln
DE102015101751A1 (de) * 2015-02-06 2016-08-11 Sig Technology Ag Verfahren zum Füllen von Packungen mit wechselnden Produkten in einer Füllmaschine
DE102017114759A1 (de) * 2017-07-03 2019-01-03 Sig Technology Ag Zellentraverse für eine Füllmaschine
DE102017114814A1 (de) * 2017-07-03 2019-01-03 Sig Technology Ag Verfahren und Vorrichtung zum Bilden von einseitig offenen Packungskörpern mit einem oszillierenden Greifer
DE202017106872U1 (de) * 2017-11-13 2019-02-18 Sick Ag Sensoranordnung zur Bestimmung einer veränderlichen Spannung eines umlaufenden Ketten- oder Riementriebes

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