WO2018091155A1 - Dispositif et procédé de détermination d'un coefficient d'occupation d'un dispositif de transport - Google Patents

Dispositif et procédé de détermination d'un coefficient d'occupation d'un dispositif de transport Download PDF

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Publication number
WO2018091155A1
WO2018091155A1 PCT/EP2017/069621 EP2017069621W WO2018091155A1 WO 2018091155 A1 WO2018091155 A1 WO 2018091155A1 EP 2017069621 W EP2017069621 W EP 2017069621W WO 2018091155 A1 WO2018091155 A1 WO 2018091155A1
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WO
WIPO (PCT)
Prior art keywords
transport
transport device
light beams
occupancy
light
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Application number
PCT/EP2017/069621
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German (de)
English (en)
Inventor
Tobias Scheck
Christian Buchner
Verena Hecht
Original Assignee
Krones 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
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Publication of WO2018091155A1 publication Critical patent/WO2018091155A1/fr

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Classifications

    • 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
    • B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers

Definitions

  • the present invention relates to an apparatus and a method for determining a degree of occupancy of a transport device, which in particular transports containers in a container treatment plant.
  • Occupancy rate in the sense of the following description is understood to mean the percentage occupancy of a transport device.
  • the area occupied by the conveying or transporting goods is to be understood in relation to the maximum area available for transport.
  • the degree of occupancy of a transport device is to be understood as the extent of a transport material flow measured transversely to the transport direction of a transport device in relation to the total width of a transport device available for transport.
  • the total available for transport width is usually determined by the distance between facilities such.
  • a plurality of containers can be transported in a so-called mass transport side by side in a transport direction.
  • the transport device may be empty or partially or completely occupied by containers .
  • the speed or the throughput of downstream facilities, such. B. cleaning device, packaging device, etc. depending on the occupancy rate of the transport device to regulate.
  • WO 2008/1 16546 A2 shows a method for monitoring, controlling and optimizing filling systems for foodstuffs, in particular for beverage bottles.
  • the procedure is used for plant or machine monitoring.
  • an optoelectronic recognition system in the form of at least one electronic camera is used in order to obtain the necessary control data.
  • the optical detection systems can be used to monitor the occupancy rate of buffer tables.
  • a disadvantage of such optical recognition systems is that the camera systems reach their limits when processing non-cooperative container surfaces. In this case, a stable detection of the occupancy rate is not guaranteed.
  • a device and a method for determining a degree of occupancy of a transport device are provided with which a determination of a degree of occupancy of a transport device can be realized easily, with high accuracy, flexible, cost-effective and independent of the nature of the transported.
  • the device comprises at least one light barrier for detecting transported goods transported by the transport device in a transport plane, wherein at least two light beams of the at least one light barrier are arranged adjacent to one another with respect to the transport plane of the transport device, and wherein the at least one light barrier is configured and arranged in such a way in that one of the light beams is aligned for detecting a first transport item and another one of the at least two light beams is arranged for detecting a second item to be transported, and an evaluation unit configured to evaluate the acquisition result of the at least two photoelectric sensors for determining the current occupancy rate in the transport plane of the transport device is.
  • adjacent to one another is meant an offset in height, which does not exclude that an offset in the transport direction or transversely to the transport direction of the container may be present.
  • the device With the device is very reliable and easy a percentage accurate determination of the degree of occupancy of the transport device can be realized either for a moving container flow or a stationary container flow.
  • a relatively accurate control of the mass flow of containers is feasible.
  • a more detailed distribution of the mass flow in automatic distributions is possible.
  • a container treatment plant can be activated or deactivated. Overall, this results in less costly production losses and a higher efficiency of the entire system.
  • the degree of occupancy can be detected and determined without contact with the device, whereby damage to the containers can be avoided.
  • the sensors or detection units of the device are wear-resistant by the non-contact detection.
  • Another advantage of the device is that different types of containers can be easily detected, namely, for example, containers made of glass, plastic, sheet metal, etc., such as glass bottles, plastic bottles, cans, the containers can be filled or empty, or provided with or without closure could be. Thus, an adjustment of the device only on the height of the container is required.
  • the aforementioned device offers a very efficient and cost-effective way of detecting or determining the occupancy rate. This results in only a very low calibration and referencing.
  • the at least two light beams are arranged at approximately the same angle obliquely to the transport plane of the transport device, so that the at least two light beams are arranged substantially parallel to one another.
  • the light beams may be arranged transversely across the width of the transport device, wherein the width is arranged transversely to the transport direction of the transported material of the transport device.
  • the at least two light beams may be arranged as a light grid, in which the light beams are each arranged at a predetermined distance from each other. It is conceivable that the angle is at an angle to the transport plane of the transport device in a range between 1 ° and 45 ° and preferably between 5 ° inclusive and 15 ° inclusive.
  • the percentage of light beams interrupted by goods to be transported corresponds to the percentage of occupancy of the transport device. Additionally or alternatively, values of an analog output current of the at least one Photocells within a range of 4 mA up to and including 20 mA and an analogue output voltage of 0 V to 10 V inclusive.
  • the light barrier prefferably has: a first detection unit, which is provided as a transmitter or as a unit of transmitter and receiver of at least one light beam and is arranged on a railing, which is provided for guiding the transported material on the transport device, and a second Detection unit, which is provided for receiving or reflecting the at least one light beam.
  • the first detection unit can be arranged perpendicular to the transport plane and the second detection unit can be arranged perpendicular to the first detection unit.
  • the first and second detection unit can be arranged perpendicular to the transport plane facing each other.
  • the first and second detection unit may be arranged inclined to the transport plane facing each other.
  • the device described above may be part of a transport device for transporting containers, wherein the transport device also has a conveyor belt for transporting the containers in a predetermined transport direction.
  • the transport device additionally has at least one further conveyor belt, which can be driven independently of the conveyor belt at different speeds to the conveyor belt.
  • the object is also achieved by a method for determining a degree of occupancy of a transport device according to claim 10.
  • the method comprises the steps of: detecting, with at least one light barrier, transported goods transported by the transport device in a transport plane, wherein at least two light beams of the at least one light barrier are arranged adjacent to one another with respect to the transport plane of the transport device, and wherein the at least one light barrier is configured and arranged such that one of the light beams is aligned for detecting a first cargo and another of the at least two light beams is aligned for detecting a second transported, and evaluating, with an evaluation, the detection result of the at least one light barrier to determine the current occupancy rate in the transport plane of the transport device.
  • the detection step is preceded by a step of setting up the at least one light barrier, in which the evaluation device is set up to a degree of occupancy of 0% and 100%.
  • the detection step is preceded by a further step, in which the item to be transported is guided into a compact transport material flow to one side of the transport device.
  • the method achieves the same advantages as previously mentioned with respect to the device.
  • FIG. 1 is a block diagram illustrating a machine with a device according to a first embodiment for determining a degree of occupancy of the transport device.
  • Fig. 2 is a plan view of a transport device of the machine with a device according to the first embodiment
  • 3 is a simplified sectional view vertical to the transport plane of the transport device with the device according to the first embodiment
  • 4A to 4K are simplified views for illustrating the principle for determining a degree of occupancy of the transport device with the device according to the first embodiment
  • 5 is a simplified sectional view of the transport device with a device for determining a degree of occupancy of the transport device according to a second embodiment
  • FIG. 6 is a sectional view of the transport device with a device for determining a degree of occupancy of the transport device according to a third embodiment
  • FIG. 7 and 8 are sectional views illustrating two different specific embodiments of the device according to the third embodiment.
  • FIGS. 9 and 10 each show three-dimensional views of the transport device with details for fastening the device according to the third embodiment to the transport device.
  • identical or functionally identical elements are provided with the same reference numerals, unless stated otherwise.
  • Fig. 1 shows a machine 1, which may be, for example, a container treatment plant.
  • containers 2 in particular transparent or non-transparent containers, plastic bottles, glass bottles, metal cans, empty, full, closed, unlocked, labeled, not labeled, printed, etc., produced and / or treated.
  • containers 2 may also be, for example, boxes, cartons, packages, etc.
  • the machine 1 is described below partially using the example of a container treatment plant, the machine 1 is not limited thereto. In Fig. 1, not all containers 2 are provided with a reference numeral for the sake of simplicity.
  • the machine 1 has a first container treatment device 10, a transport device 20 and a second container treatment device 30.
  • the first container treatment device 10 is, for example, a filling device for filling the containers 2 with a medium, such as a liquid, a powder, etc., in particular a beverage, a cleaning agent, etc.
  • the second container treatment device 30 is, for example, a fitting device for Equipping containers 2 with a label or printed image.
  • the transport device 20 transports the containers 2 as transport goods from the first container treatment device 10 to the second container treatment device 30. Instead of containers 2, however, any other piece goods can be transported, which can be arranged side by side on the transport device 20 and can be transported side by side.
  • Such cargo may for example be a container of containers, preforms for the production of containers, closures for sealing containers, etc.
  • Fig. 2 shows a part of the transport device 20 in more detail.
  • the transport device 20 has a conveyor belt 21 for transporting goods to be transported, such as the container 2, in a transport direction TR.
  • the conveyor belt 21 of the transport device 20 is driven by a drive device 21 A, so that move the container 2 with the conveyor belt 21 in the transport direction TR.
  • the conveyor belt 21 and thus the transport device 20 is only partially occupied by cargo in the form of the container 2.
  • the other part of the conveyor belt 21 is free of cargo in the form of container 2.
  • the occupancy rate of the transport device 20 is approximately 40%. Accordingly, in about 60% of the transport device 20 are not occupied by cargo in the form of container 2.
  • a device 23 for determining a degree of occupancy of the transport device 20 is mounted on the transport device 20.
  • the device 23 is only very schematically shown in FIG. 2 and has a first detection unit 231 and a second detection unit 232, which are mounted at the railings 22 on the two sides of the transport device 20, a container assembly unit 24, and an evaluation device 25.
  • the container assembly unit 24 may be formed as an upstream overhang and / or an incline of the transport 20 and / or with active or passive deflectors or other suitable means that form a compact stream of containers 2 that is transported along one of the rails 22.
  • the first detection unit 231 transmits at least one light beam 233 to the second detection unit 232.
  • the first detection unit 231 serves as a transmitter of the light beams 233 and the second detection unit 232 as a receiver of the light beams 233.
  • the evaluation device 25 evaluates the detection results of the detection units 231, 232.
  • the evaluation device 25 can in particular be realized with or as software, which is executed by a control device of the machine 1 or a control device of the transport device 20.
  • the control devices are not shown separately in the figures.
  • the control device of the machine 1 can in particular be a programmable logic controller (PLC).
  • the control device of the transport device 20 can also be designed in particular as a programmable logic controller (PLC).
  • a detection step of the detection units 231, 232 is thus preceded by a step that ensures that the containers 2 are guided in a compact flow on one side of the transport device 20.
  • the section in which the occupancy rate measurement takes place with the device 23 for example, a lateral overrun upstream.
  • a lateral overthrust is understood to mean a transport section which is arranged laterally offset in the transport direction TR relative to the section of the occupancy measurement.
  • the containers 2 are pushed by means of a railing 22 and / or a container assembly unit 24 transversely to the transport direction TR on the portion of the occupancy rate measurement in the device 23, as illustrated in Fig. 2.
  • the transport device 20 which represents the section of the occupancy rate measurement, or the transport device 20 in the area of the occupancy rate measurement, can be arranged obliquely with respect to the horizontal.
  • the containers 2 are thus collected before passing the device 23 on one side of the transport device 20 and a determination of the degree of occupancy with the device 23 can take place.
  • lubrication of the transport device 20 with lubricants known to the person skilled in the art may be provided both during the lateral overthrust and also during the oblique position of the transport device 20, in order to support a sliding of the containers 2.
  • Fig. 3 shows the transport device 20 with the device 23 very schematically in section.
  • the first detection unit 231 is arranged laterally next to the railing 22 and the conveyor belt 21.
  • the first detection unit 231 or its detection surface is arranged transversely, in particular perpendicular, to the conveyor belt 21 in FIG. 3.
  • the second detection unit 232 is assigned to the railing 22 on the right side in Fig. 3.
  • the second one is Detection unit 232 disposed above the conveyor belt 21.
  • the second detection unit 232 or at least its detection surface in FIG. 3 is arranged parallel to the conveyor belt 21.
  • the detection unit 232 or its detection surface is not arranged completely parallel to the conveyor belt 21 but somewhat obliquely to the conveyor belt 21.
  • the detection units 231, 232 are thus arranged perpendicular to each other.
  • the containers 2 in Fig. 3 are for example plastic containers, in particular plastic bottles.
  • the containers 2 have an opening 2A, via which the container 2 can be filled or emptied.
  • the first detection unit 231 transmits a plurality of light beams 233 across a width B of the conveyor 20, and more particularly over the rail width B1 equal to the distance between the rails 22, as shown in FIG are arranged at a predetermined distance and parallel to each other or side by side.
  • the light beams 233 are thus arranged adjacent to one another with respect to the transport plane of the transport device 20.
  • Fig. 2 shows that the width B of the transport device 2 is arranged transversely to the transport direction TR of the container 2 as a transport.
  • Such an arrangement of the light rays 233 is suitable for an arrangement of the containers in a mass flow, which builds up on the transport device 20 from the right side in FIG. 3 in the direction of the left side in FIG.
  • the plurality of light beams 233 form a light grid in FIG.
  • the light beams 233 are aligned with the containers 2, as described in more detail later.
  • the first and second detection units 231, 232 and the light beams 233 form a plurality of light barriers in FIG.
  • the first and second detection units 231, 232 form at least two light barriers each having a light beam 233 or at least one light barrier having at least two light beams 233.
  • the first and second detection units 231, 232 are arranged such that the light beams 233 are arranged obliquely to the transport plane are, which is spanned by the conveyor belt 21 of the transport device 20.
  • the light barriers are arranged in the direction of the width B of the transport device 20, in particular arranged transversely across the width B of the transport device 20.
  • the light beams 233 are aligned with the containers 2, as described in more detail later.
  • the first and second detection units 231, 232 are thus each designed as optical sensors, non-contact and / or momentary sensors.
  • the first and second detection units 231, 232 can operate in particular with infrared light, laser light, etc.
  • the first and second detection unit 231, 232 for detecting transversely, in particular perpendicular, to the transport plane in the form of the conveyor belt 21 of the transport device 20 are configured.
  • FIGS. 4A to 4K show various degrees of occupancy of the transport device 20 in order to illustrate the operating principle of the device 23.
  • the first and second detection units 231, 232 and thus the light beams 233, ie the light barriers are arranged on the transport device 20 such that only the lowermost light barrier is interrupted by a container 2, if only one container 2 is in contact a railing 22, right in Fig. 4A, on the conveyor belt 21 is located.
  • all of the light barriers of containers 2 are interrupted when the conveyor belt 21 is completely occupied with containers 2 to 100%. If no container 2 is present on the conveyor belt 21, it goes without saying that none of the light beams 233 is interrupted by a container 2.
  • the transport device 20 has an occupancy rate of 0%.
  • the state of FIG. 4A corresponds to a degree of occupancy of the transport device 20 with containers 2 of 10%.
  • the state of Fig. 4B corresponds to a degree of occupancy of the transport device 20 with containers 2 of 20%.
  • the state of Fig. 4C corresponds to a degree of occupancy of the transport device 20 with containers 2 of 30%.
  • the state of Fig. 4D corresponds to a degree of occupancy of the transport device 20 with containers 2 of 40%.
  • the state of FIG. 4E corresponds to a degree of occupancy of the transport device 20 with containers 2 of 50%.
  • the state of Fig. 4F corresponds to a degree of occupancy of the transport device 20 with containers 2 of 60%.
  • the state of Fig. 4G corresponds to a degree of occupancy of the transport device 20 with containers 2 of 70%.
  • the state of Fig. 4H corresponds to a degree of occupancy of the transport device 20 with containers 2 of 80%.
  • the state of Fig. 4J corresponds to a degree of occupancy of the transport device 20 with containers 2 of 90%.
  • the state of Fig. 4K corresponds to a degree of occupancy of the conveyor 20 with containers 2 of 100%, as mentioned above.
  • the light beams 233 between the detection units 231, 232 together form a light grid which can be used with different beam spacings and sensor lengths or detection lengths.
  • the individual light beams 233 are successively interrupted.
  • the individual light beams 233 of the light grid are arranged in such a way that the lowermost light beam 233 of the light grid scans the container 2 arranged directly on the railing 22 at its mouth, as shown in FIG. 4A. Arranges next to the container 2 of Fig.
  • the second lowermost light beam 233 palpates the mouth of the other container 2.
  • the other light beams 233 are provided for even more containers 2, located next to build up the containers of FIG. 4B, as can be seen in FIGS. 4C to 4K.
  • the lowermost light beam 233 for detecting the container 2 of FIG. 4A is aligned as the first item to be transported.
  • the second lowermost light beam 233 is aligned to detect the further container 2 in FIG. 4B as a second item to be transported. This analogously also applies to the further light beams 233 and container 2 in FIGS. 4C to 4K.
  • the light beams 233 for this purpose are arranged to fall from the side of the conveyor belt 21 or the transport device 20, on which the container flow is built up, to the other side of the conveyor belt 21 or the transport device 20.
  • the light beams 233 thus fall from the right side in Figures 4A to 4K on the left side.
  • the light beams 233 are located farther from the transport plane of the conveyor 20 on the transport device side corresponding to the occupancy rate of 0%, or higher above the transport plane 21 of the conveyor 20 than on the transport device side corresponding to the occupancy rate of 100%
  • the analog output value of the light barriers formed with the light beams 233 between the detection units 231, 232 can have an electrical current of in particular 4 to 20 mA and an electrical voltage of in particular 0 to 10 V. The magnitude of the electrical current and the voltage depends on how many of the light beams 233 are interrupted.
  • the maximum number of interrupted light beams 233 is set in the case of a 100% occupancy of the transport device 20 depending on the currently transported container type. This maximum number serves as the basis for the percentage determination of the occupancy of the transport device 20 with transported goods.
  • the occupancy rate of the transport device 20 has a value of 50%. If 5 light beams are occupied by a maximum of 14 light beams, the occupancy rate of the transport device 20 has a value of approximately 35%.
  • transported goods transported in a continuous manner with the transport device 20 are thus detected in one step with the detection units 231, 232.
  • the evaluation device 25 evaluates the detection results or measured values of the detection units 231, 232 in order to determine the current occupancy rate of the transport device 20.
  • the degree of coverage determined with the device 23 can be used to implement efficient control algorithms, such as control of the machine 1, rapid product change, anticipatory activation of further capacities and / or asymmetrical dynamic distribution of container flows.
  • the device 23 performs no direct measurement of the occupancy rate z. B. by measuring a distance in a unit such as centimeters or the like by means of, for example, opto-electronic sensors.
  • the detection units 231, 232 function as aids to indirect measurement by forming a quotient of two values requiring less effort, such as hardware, software, calibration, and so on.
  • the method described above for determining the degree of occupancy is preceded by an initial referencing or a setting-up process of the device 23.
  • the detection or measuring range on the transport device 20 is taught, which is required for the evaluation by the evaluation device 25.
  • a container 2 is first placed against the railing 22, which is arranged closest to the first detection unit 231. Then, a measurement or detection is performed with the detection units 231, 232 and a resulting first measured value or detection value is stored. The first measured value corresponds to the full occupancy rate of the transport device 20, as also described above.
  • a container is now placed on the railing 22 at the second detection unit 232 on the conveyor belt 21.
  • the evaluation device 25 will now evaluate during the operation of the transport device 20 for all measured values which are not equal to the first or second measured value or are not in the range between the first and second measured value, that no container 2 is present on the conveyor belt 21.
  • the measured value range is divided into any number of parts, depending on the desired accuracy. Furthermore, a filter is subsequently placed in the evaluation device 25 on the measured values with respect to the speed of the conveyor belt 21 and the container diameter in order to hide the gaps between the "heads" or mouths of the containers 2.
  • the said possibilities for setting up or teaching or referencing can be carried out manually, for example via a software command or a mechanical switch, and / or at least partially automatically. It is also possible to generate the data required for the referencing by processing / calculating from variety parameters such as height, diameter, etc. of the respective container 2.
  • the minimum adjustment angle a M iN is calculated by multiplying the arctangent (tan "1 ) by the quotient of the distance between the light rays 233, the beam distance, and 10% of the set rail width B1 Calculation over the tangent. Should a different division be obtained If, for example, 5% or 20% of the gel 371 ⁇ t is used, instead of the factor of - : -, the
  • the result of the calculation with equation (1) can be rounded up by the evaluation device 25 to a standard angle, such as 5 °, 10 ° or 15 °.
  • a standard angle such as 5 °, 10 ° or 15 °.
  • the evaluation device 25 due to the oblique attachment of the light grid 233 of light beams, which is formed between the detection units 231, 232, to define a minimum height for the container 2 or minimum container height. If a container 2 drops below the minimum container height, the container 2 can not be detected in the occupancy measurement. As a result, the occupancy rate measurement for the container row is inaccurate or not exact, in which the container 2 is too small.
  • the minimum container height is calculated according to the following equation (2) above the tangent of the setting angle, which is optionally a standard angle multiplied by the difference of railing width B1 and half the container diameter of the smallest container 2 to be transported by the transport device 20.
  • Half the container diameter must be taken into account, since the container 2 triggers the detection units 231, 232 "centrally" on the container neck, or with an area in the vicinity of the container axis,
  • the profile adjustment dimension P M and the profile height P H must be added indicate the minimum dimension over which the light beams 233 must be arranged.
  • Minimum tank height tan (setting angle) x ⁇ railing width - smallest bucket diameter. , "" ".”,
  • the minimum container height h M iN, the setting angle a, the beam spacing d, the profile adjustment dimension P M and the profile height P H and additionally a container height difference h are illustrated in FIG. 6 with respect to the second embodiment.
  • the evaluation device 25 has to take into account two factors for calculating the required length of the detection units 231, 232, namely the Occupancy length for a container 2, which is independent of the container height, and a length addition at different container height.
  • the occupancy length is calculated via the sine in the right-angled triangle from the railing width B 1 and the container 2 with the smallest container height.
  • the total occupancy length BL G ES is also illustrated in FIG. 6 with respect to the second embodiment.
  • the addition of the occupancy length is calculated by dividing the tank height difference and the cosine of the adjustment angle a.
  • the basic rule is that the smaller the setting angle is ⁇ or standard angle, the longer the required sensor and the minimum container height h M iN the smaller is. Also, with a smaller pitch angle ⁇ , a smaller pitch difference can be processed.
  • the standard angle can be in a range of about 1 ° to about 45 °. As indicated above, as standard angles, preference is given to angles between 5 ° and 15 °, as determined and determined by experiment. A smaller angle than 5 ° is usually not practical. An angle of 15 ° or greater is needed only in special cases.
  • the device 23 is set to the minimum setting angle. However, then the setting of the detection units 231, 232 becomes more complicated. Possibly at the bosseinstellwinkel also the variety of parts of the parts for mounting larger.
  • the detection units 231, 232 may alternatively be configured as separate transmitters and receivers, also as sensors, in which, for example, the first detection unit 231 is designed as transmitter and receiver and the second detection unit 232 as reflector, in particular mirror is formed.
  • the light grid can also be generated by a plurality of individual light barriers.
  • Fig. 5 shows the transport device 20 with a device 230 according to a second embodiment in section.
  • the first detection unit 231 as in the device 23 according to the first embodiment, is arranged laterally next to the railing 22 and the conveyor belt 21.
  • the first detection unit 231 or its detection surface in FIG. 5 is arranged transversely, in particular perpendicular, to the conveyor belt 21.
  • the second detection unit 232 is disposed adjacent to the railing 22 and the conveyor belt 21 on the right side in FIG. 5.
  • the second detection unit 232A or its detection surface in Fig. 5 is arranged transversely, in particular perpendicular, to the conveyor belt 21.
  • the first and second detection units 231, 232A are arranged in parallel with each other on the conveyor belt 21.
  • the first and second detection unit 231, 232A are arranged perpendicular to the transport plane facing each other.
  • the transport device 20 and the device 230 according to the second embodiment are executed in the same manner as described for the device 23 according to the first embodiment.
  • Fig. 6 shows the transport device 20 with a device 2300 according to a third embodiment in section.
  • a first detection unit 231 B is again arranged laterally next to the railing 22 and the conveyor belt 21, as in the devices 23, 230 according to the preceding embodiments.
  • the second detection unit 232B is disposed adjacent to the railing 22 and the conveyor belt 21 on the right side in FIG. In this case, the second detection unit 232B or its detection surface in FIG. 6 is also arranged transversely to the conveyor belt 21.
  • the first and second detection units 231 B, 232B are each inclined by a predetermined angle ⁇ to a perpendicular to the transport plane spanned by the conveyor belt 21. Again, the first and second detection units 231 B, 232 B are arranged facing each other.
  • the setting angle a the minimum container height h M iN, another container 3 having a smaller container height than the container 2, a container height difference h between the container heights of the container 2, 3, the beam spacing d between the individual light beams 233, the Profileinstellures P M , the profile height P H and the total occupancy length BLQES illustrates.
  • the operating principle of the device 2300 is otherwise the same as previously described with respect to the device 23 according to the first embodiment.
  • FIGS. 7 and 8 show further sectional views of the device 2300.
  • the containers 2 each have a different shape than the containers 2 in the preceding figures.
  • the containers 2 in FIGS. 7 and 8 are, for example, glass containers, in particular glass bottles.
  • the light beam 233 is aligned to detect an occupancy rate of approximately 60%. Consequently, only one light beam 233 can be sent from the first detection unit 231 B to the second detection unit 232B if it is sufficient to detect only a predetermined occupancy level of the transport device 20 with containers 2.
  • the light beam 233 can, of course, as needed to the transport device 20, More specifically, to be transported by the transport device 20 containers 2, are aligned.
  • two light beams 233 are provided. In this case, an occupancy rate of 100% can be detected with the lower light beam 233 in FIG. By contrast, an occupancy rate of approximately 20% can be detected with the upper light beam 233 in FIG. 8. If these detection results for the container treatment system 1 are sufficient, it is possible that only two light beams 233 are sent from the first detection unit 231 B to the second detection unit 232B.
  • the light beams 233 can, of course, be aligned as required with the transport device 20 or with the containers 2 to be transported by the transport device 20.
  • the lower light beam 233 may also be aligned for an occupancy rate of 60%, and so on.
  • any number of light beams 233 is possible depending on the need and application.
  • FIGS. 9 and 10 show in more detail an attachment 235, 236 of the device 2300 on the transport device 20.
  • the first detection unit 231 B with the attachment 235 above the conveyor belt 21 is located lower or closer to the conveyor belt 21 than the second detection unit 232B.
  • the first detection unit 231 B is attached to the conveyor 20 at a fixed height by means of an L-shaped bracket 235A and a plate 235B.
  • the L-shaped angle 235A may remain the same regardless of the containers 2 to be transported by the transport 20.
  • the L-shaped angle 235A can be slid under an existing bracket 235F for the railing 22, whereby no new holes need to be added to the conveyor 20 and a fixed position in the direction of travel of the containers 2 is given.
  • the plate 235B may have a variable height, each made to the correct height as needed.
  • the height of the plate 235B is dependent on the railing width B1, the guide height of the railing 22 and the height of the container 2.
  • On the plate 235B are not shown by two holes in the upper region of sliding blocks by means of screws 235C, 235D mounted against rotation.
  • the screw 235D may protrude about 10 mm beyond the sliding block, thereby giving a stop when the first detection unit 231 B is pushed onto the sliding blocks with the aid of a groove 235E.
  • the first detection unit 231 is B in angle and Fixed position and can not be accidentally changed or incorrectly attached to the transport device 20.
  • the attachment 236 for the second detection unit 232B is designed to be height-variable.
  • the second detection unit 232B is attached to a plate 236B by means of screws 236C, 236D.
  • the shape, in particular the height, of the plate 236B is independent of the situation.
  • the second detection unit 232B is aligned by means of screws 236C, 236D ( Figure 9) in the bores in the plate 236B, which are preferably designed to mate with the plate 235B.
  • the height of the second detection unit 232B is set.
  • the plate 236B is slidably attached to a railing attachment bracket 236A with a fastener 236A, such as a clamp or clamp.
  • a fastener 236A such as a clamp or clamp.
  • mounts 235, 236 may also be reversed so that the plate 236B is used at the lower position.
  • the device 2300 In a modification of the mounting of the device 2300, it is also possible to use for the device 2300 always the longest light barrier with the most accurate resolution. In this case, a height-variable plate 236B can be dispensed with. Thus, the second detection unit 232B is directly attached to an alternative L angle. In a modification of the attachment of the device 2300, the plate 236B with the associated attachment also finds use on the lower side. In this case, however, both detection units 231 B, 232 B must be set more complicated to each other. Therefore, in order to facilitate on-site mounting and adjustment, it is preferable that at least one of the two detection units 231 B, 232B, as realized by the angle 235A of FIG. 9, get a fixed position. This ensures that all other pairs of detection units 231 B, 232 B provide the same measured value for the same position and width of the conveyor belt 21.
  • the devices 23, 230, 2300 all embodiments and their modifications a simple and less prone to interference way to determine the occupancy rate of the transport device 20.
  • All of the previously described embodiments of the transport device 20, the devices 23, 230, 2300 and the method can be used individually or in all possible combinations.
  • features may also be omitted unless they are described as essential to the invention.
  • the features of all described embodiments can be combined as desired.
  • the following modifications are conceivable, in particular.
  • the transport device 20 may have at least one further conveyor belt which can be driven independently of the conveyor belt 21 at different speeds to the conveyor belt 21.
  • the transport plane of the transport device 20 does not have to be arranged horizontally.
  • the transport plane can therefore also be arranged inclined to the horizontal.
  • an optional not necessarily required mechanical stoppage switch is used, which is mounted in the region of the railing 22 below the device 23.
  • triggering of the changeover switch can be used as a 100% occupancy rate. This allows (additional) referencing whenever there is a jam situation on the transport device 20, in which the conveyor belt 21 is completely occupied by containers 2.

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Control Of Conveyors (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

L'invention concerne un dispositif (23; 230; 2300) et un procédé de détermination d'un coefficient d'occupation d'un dispositif de transport (20). Le dispositif (23; 230; 2300) comprend : au moins une barrière lumineuse (231, 232, 233), pour détecter un article transporté par le dispositif de transport (20) dans un plan de transport, au moins deux faisceaux lumineux (233) de l'au moins une barrière lumineuse (231, 232, 233) étant disposés adjacents l'un par rapport à l'autre par rapport au plan de transport du dispositif de transport (20), la barrière lumineuse (231, 232, 233) étant conçue et disposée de telle sorte que l'un des faisceaux lumineux (233) est orienté pour détecter un premier article à transporter et un autre des au moins deux faisceaux lumineux (233) est orienté pour détecter un deuxième article à transporter ; et un dispositif d'évaluation (25), lequel est conçu pour évaluer le résultat de la détection de l'au moins une barrière lumineuse (231, 232, 233), pour déterminer le coefficient d'occupation actuel dans le plan de transport du dispositif de transport (20).
PCT/EP2017/069621 2016-11-15 2017-08-03 Dispositif et procédé de détermination d'un coefficient d'occupation d'un dispositif de transport WO2018091155A1 (fr)

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DE102016121852.9 2016-11-15
DE102016121852.9A DE102016121852A1 (de) 2016-11-15 2016-11-15 Vorrichtung und Verfahren zur Ermittlung eines Belegungsgrads einer Transporteinrichtung

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JP7397162B2 (ja) * 2019-07-16 2023-12-12 フィブ・イントラロジスティクス・コーポレイション コンベヤ上のパーセルの密集度を測定および制御する距離センシングコンベヤパッケージ管理システム
DE202023106006U1 (de) 2023-10-18 2024-07-12 Leuze Electronic Gmbh + Co. Kg Vorrichtung zur Erfassung von Gegenständen auf einem Fördermittel

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EP0190090A1 (fr) * 1985-01-15 1986-08-06 Société Anonyme dite: GEBO Aligneur sans pression d'objets, notamment de récipients, et son dispositif de régulation
DE3611926A1 (de) * 1986-04-09 1987-10-22 Farkas Ingbuero Verfahren zur trockenen sortierung miteinander vermischter produkte sowie vorrichtung zur durchfuehrung des verfahrens
EP0744224A1 (fr) * 1995-05-22 1996-11-27 Elpatronic Ag Appareil de traitement des containers et procédé de sa mise en oeuvre
DE19530626A1 (de) * 1995-08-21 1997-02-27 Kronseder Maschf Krones Verfahren und Vorrichtung zum Erfassen der Belegung eines Förderers für Gefäße
JPH1035863A (ja) * 1996-07-18 1998-02-10 Hagiwara Kogyo Kk 長尺材仕分装置および方法
DE102005038019A1 (de) * 2005-08-09 2007-02-15 Cedes Ag Sensorvorrichtung zur Detektion eines Überhangs an der Beladung einer Trägereinrichtung
WO2008116546A2 (fr) 2007-03-28 2008-10-02 Khs Ag Procédé de surveillance, de commande et d'optimisation d'installations de remplissage pour produits alimentaires, notamment pour bouteilles à boissons
DE102008007260A1 (de) * 2008-02-01 2009-08-06 Retec Gmbh Vorrichtung zur Identifizierung von Leergut
DE102010000596A1 (de) * 2010-03-01 2011-09-01 Krones Ag Fördereinrichtung zum Fördern von Gegenständen
DE102012212331A1 (de) * 2012-07-13 2014-05-15 Siemens Aktiengesellschaft Transport-Vorrichtung und Transport-Verfahren mit mehreren einzeln überwachten Förderern
DE102013106926A1 (de) * 2013-07-02 2015-01-08 Khs Gmbh Verfahren zur Erfassung des Füllgrades einer Transportstrecke

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0190090A1 (fr) * 1985-01-15 1986-08-06 Société Anonyme dite: GEBO Aligneur sans pression d'objets, notamment de récipients, et son dispositif de régulation
DE3611926A1 (de) * 1986-04-09 1987-10-22 Farkas Ingbuero Verfahren zur trockenen sortierung miteinander vermischter produkte sowie vorrichtung zur durchfuehrung des verfahrens
EP0744224A1 (fr) * 1995-05-22 1996-11-27 Elpatronic Ag Appareil de traitement des containers et procédé de sa mise en oeuvre
DE19530626A1 (de) * 1995-08-21 1997-02-27 Kronseder Maschf Krones Verfahren und Vorrichtung zum Erfassen der Belegung eines Förderers für Gefäße
JPH1035863A (ja) * 1996-07-18 1998-02-10 Hagiwara Kogyo Kk 長尺材仕分装置および方法
DE102005038019A1 (de) * 2005-08-09 2007-02-15 Cedes Ag Sensorvorrichtung zur Detektion eines Überhangs an der Beladung einer Trägereinrichtung
WO2008116546A2 (fr) 2007-03-28 2008-10-02 Khs Ag Procédé de surveillance, de commande et d'optimisation d'installations de remplissage pour produits alimentaires, notamment pour bouteilles à boissons
DE102008007260A1 (de) * 2008-02-01 2009-08-06 Retec Gmbh Vorrichtung zur Identifizierung von Leergut
DE102010000596A1 (de) * 2010-03-01 2011-09-01 Krones Ag Fördereinrichtung zum Fördern von Gegenständen
DE102012212331A1 (de) * 2012-07-13 2014-05-15 Siemens Aktiengesellschaft Transport-Vorrichtung und Transport-Verfahren mit mehreren einzeln überwachten Förderern
DE102013106926A1 (de) * 2013-07-02 2015-01-08 Khs Gmbh Verfahren zur Erfassung des Füllgrades einer Transportstrecke

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