• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A method of controlling a hollow body handling facility (2) (2), which comprises: - a plurality of processing units (4); a transfer system (7), - a cowling (10) comprising a frame (12) defining sleepers (14) and openings (15) each mounted on a frame; a control unit (9); this method comprising the following operations: detection by the control unit (9) for stopping a processing unit (4C); detection by the control unit (9) of the closed position of openings (15L) situated in the vicinity of a junction (27) between the processing unit (4C) detected on standstill and the system (7) of transfer; - If these openings (15L) are detected in the closed position, control by the unit (9) for controlling the locking of these openings (15L).
    公开号:FR3057259A1
    申请号:FR1659844
    申请日:2016-10-12
    公开日:2018-04-13
    发明作者:Christophe Maran；Laurent Danel；Sebastien Moulin；Fabian Petit
    申请人:Sidel Participations SAS；
    IPC主号:
    专利说明:

    © Publication number: 3,057,259 (only to be used for reproduction orders) (© National registration number: 16 59844 ® FRENCH REPUBLIC
    NATIONAL INSTITUTE OF INDUSTRIAL PROPERTY
    COURBEVOIE © Int Cl 8 : B 65 G 43/00 (2017.01), B 67 C 3/00
    A1 PATENT APPLICATION
    ©) Date of filing: 12.10.16. © Applicant (s): SIDEL PARTICIPATIONS Company by (30) Priority: simplified actions - FR. @ Inventor (s): MARAN CHRISTOPHE, DANEL LAURENT, MOULIN SEBASTIEN and PETIT FABIAN. (43) Date of public availability of the request: 13.04.18 Bulletin 18/15. ©) List of documents cited in the report preliminary research: Refer to end of present booklet (© References to other national documents ® Holder (s): SIDEL PARTICIPATIONS Company by related: simplified actions. ©) Extension request (s): © Agent (s): SIDEL PARTICIPATIONS.
    HANDLING WITH ACCESS SECURITY
    FR 3 057 259 - A1 (34) METHOD FOR CHECKING AN INSTALLATION FOR MAINTENANCE.
    ©) Method for controlling an installation (1) for handling hollow bodies (2, 3), which comprises:
    - a plurality of processing units (4); a transfer system (7),
    - a cowling (10) comprising a frame (12) defining the frames (14) and the openings (15) each mounted on a frame; a control unit (9); this process comprising the following operations:
    - detection by the control unit (9) of the stopping of a processing unit (4C);
    - detection by the unit (9) for controlling the closed position of opening elements (15L) located in the vicinity of a junction (27) between the processing unit (4C) detected when stopped and the system (7) transfer;
    - if these opening elements (15L) are detected in the closed position, control by the unit (9) for checking the locking of these opening elements (15L).
    Method of controlling a handling installation with secure access for maintenance
    The invention relates to the control of handling installations, and in particular of hollow body handling installations, such as installations for the production of containers from plastic preforms.
    This type of installation includes several processing units which each carry out at least one operation on the hollow bodies.
    Thus, a container production installation conventionally comprises:
    a preform thermal conditioning unit, designed to heat the preforms using infrared sources to a temperature higher than the glass transition temperature of the material (in the case of polyethylene terephthalate or PET, whose glass transition temperature is from around 80 ° C, the preform heating temperature is generally around 120 ° C);
    a unit for forming containers by blowing or stretch blowing hot preforms;
    optionally a unit for rinsing the containers thus formed; optionally a plasma processing unit for the containers formed;
    a unit for filling the containers formed (and optionally rinsed) with a product (eg a drink); a unit for capping filled containers; a labeling unit for capped containers.
    The processing units are mounted in series, and a transfer system ensures the transit of preforms or containers from one to the other. Each transfer device is usually in the form of a wheel fitted, at its periphery, with grippers which grip the preforms (or the containers) at the outlet of a given processing unit and deliver them to the following processing unit. , after a journey in an arc.
    Such an installation is equipped with a control unit which controls its operation by controlling various production parameters for the treatment units (for example the radiation power of the sources in the thermal conditioning unit or the instants of opening of solenoid valves in the forming unit).
    In operation, the moving parts of the processing units and the transfer system move, in a circular or linear path, depending on the architecture chosen, at very high speed. Thus, a carousel of a plasma forming or processing unit, with a diameter of approximately 5 m, equipped with 24 processing stations and ensuring a rate of 55,000 containers per hour, rotates at a speed of 34 r / min, or, for each treatment station, a linear speed of approximately 10 m / s.
    The surroundings of the processing units and the transfer system in operation are therefore particularly dangerous for personnel. This is why this type of installation is fitted with a cover defining a closed enclosure in which the processing units and the transfer system are housed.
    Such a casing conventionally comprises a chassis (for example tubular) which, in certain zones, defines frames, and openings mounted on these frames to, in a closed position, prohibit access to the enclosure (in particular during the operation of machine) and, in an open position, give access, from the outside, to an area of the installation requiring maintenance.
    To avoid inadvertent opening during operation of the machine, the cowling is generally equipped, for each opening, with a locking system for the opening in the closed position, typically in the form of a key lock.
    The lock can be controlled remotely, as described in US patent application US 2013/021 1575 (Krones).
    In some installations, at least one of the processing units can be stopped and disengaged from the transfer system while the other processing units (and the transfer system) remain in operation.
    Thus, in installations suitable for the production of containers which undergo a plasma treatment to form an internal barrier layer (see for example European patent application EP 2 077 919 in the name of Sidel Participations), the treatment unit by plasma can be isolated from the rest of the installation, especially when it is to be used to produce containers without a barrier layer.
    In this case, the downtime of the plasma processing unit can be used to ensure its maintenance. However, maintenance operations are risky for personnel, due to the proximity of the transfer system which remains in operation and therefore represents a danger of injury.
    There is therefore a need to secure access to handling facilities.
    To this end, it is proposed, firstly, a method for controlling a hollow material handling installation, which comprises:
    a plurality of hollow body processing units;
    a system for transferring the hollow bodies between the processing units, a casing defining a closed enclosure in which the processing units and the transfer system are housed, this casing comprising:
    o a frame defining the frames, o openings each mounted on a frame between an open position in which the opening gives access to the enclosure from the outside, and a closed position in which the opening prohibits access to the 'enclosure from the outside;
    o for each opening, a locking system for the opening in the closed position;
    a control unit;
    this process comprising the following operations:
    detection by the control unit of the shutdown of a processing unit;
    detection by the control unit of the closed position of opening elements located in the vicinity of a junction between the processing unit detected when stopped and the transfer system;
    if these opening elements are detected in the closed position, command by the control unit to lock these opening elements.
    In this way, personnel cannot access the junction zones between the stationary processing unit and the transfer system, whose operation (and movement) continues. This results in better securing of the work areas around the processing unit.
    According to a particular embodiment, the control method further comprises the following operation:
    if an opening located to the right of the processing unit detected when stopped and at a distance from a junction with the transfer system is detected as locked in the closed position, unlocking of this opening.
    The following operation can also be planned:
    generation of a locking alert signal for any locked door.
    According to one embodiment, the alert signal results in the lighting of an indicator light in the vicinity of the door locked in the closed position.
    Installation for handling hollow bodies, which comprises a plurality of processing units for hollow bodies;
    a system for transferring the hollow bodies between the processing units, a casing defining a closed enclosure in which the processing units and the transfer system are housed, this casing comprising:
    o a frame defining the frames, o openings each mounted on a frame between an open position in which the opening gives access to the enclosure from the outside, and a closed position in which the opening prohibits access to the 'enclosure from the outside;
    o for each opening, a locking system for the opening in the closed position;
    a control unit programmed to: o detect the shutdown of a processing unit;
    o detect the closed position of opening elements located in the vicinity of a junction between the processing unit detected when stopped and the transfer system;
    o if these opening elements are detected in the closed position, order the locking of these opening elements.
    According to a particular embodiment, the locking system comprises a contactor or a proximity sensor mounted on the frame and connected to the control unit.
    The locking system comprises for example an electromechanical lock mounted on the frame and including:
    a movable bolt between a locking position in which it cooperates with a keeper carried by the leaf, and a release position in which it is moved away from the keeper;
    a bolt locking mechanism in the locked position, connected to the control unit and controlled by it.
    Other objects and advantages of the invention will emerge in the light of the description of an embodiment, given below with reference to the appended drawings in which:
    FIG.1 is a schematic top view of an installation for producing containers from plastic preforms;
    FIG.2 is a detail view, on a larger scale, of the machine of FIG.1, taken in insert 1;
    FIG.3 is a perspective view showing part of the casing of the machine with openings giving access to the enclosure; two of the openings are shown in the open dotted position;
    FIG.4 is a perspective view showing openings and a locking system thereof in the closed position; FIG.5 is a detail view taken in the medallion V of FIG.4 and showing the locking system on a larger scale.
    FIG. 1 and FIG. 2 show an installation 1 for handling the body 2, 3 hollow plastic material. It can in particular be a line for the production of containers 3 from plastic preforms 2, typically made of polyethylene terephthalate (PET). The expression "hollow body" in this case designates either the preforms 2 or the containers 3 which are formed from them. The number and the positioning of the bodies 2, 3 recesses traced on FIG.1 and FIG.2 have only one vocation of illustration and do not account for neither the scale nor the capacity of the installation 1 In what follows, the terms “installation” and “line” are synonymous.
    The installation 1 comprises, first of all, a plurality of units 4 for treating the bodies 2, 3 hollow, which each define for them a treatment circuit 5 which extends between an entry point where the bodies 2, 3 recesses are introduced into the treatment unit 4 and an exit point where the bodies 2, 3 recesses are removed from the treatment unit 4.
    A typical line for the production of containers 3 from preforms 2 comprises a series of processing units 4 each provided for performing a particular function on the preforms 2 or the containers 3, namely:
    a unit 4A for thermal conditioning of the preforms 2 (also called an oven), configured to bring the preforms 2 to a temperature higher than the glass transition temperature of the material (in the case of PET, whose glass transition temperature is 80 About ° C, the preform heating temperature is usually about 120 ° C); this thermal conditioning unit 4A ordinarily comprises a series of sources of infrared radiation (typically halogen lamps) in front of which the preforms 2 are transported to the parade, but one can imagine individual heating stations mounted on a wheel;
    a unit 4B for forming the containers 3 by blow molding or stretch blow molding (also called blow molding machine), which typically comprises a carousel and, mounted thereon, a plurality of molds for the impression of the containers 3;
    if necessary, a unit 4C for treating the containers 3 by plasma to deposit on their internal wall a thin layer of carbonaceous species forming an internal air barrier layer; this plasma processing unit 4C here comprises a carousel 5 and a plurality of stations 6 for processing the containers 3 mounted thereon;
    a 4D filling unit (also called filling machine) which typically comprises a carousel and, mounted thereon, a plurality of valves for dispensing a product (in particular food, typically a drink) in containers 3; a capping unit 4E (also called a capper), which comprises a carousel and, mounted thereon, plug applicators for sealing the containers 3 previously filled;
    a 4F labeling unit (also called a labeling machine) configured to apply an informative label to each container 3 filled and capped.
    These processing units 4 are mentioned by way of illustration and not limitation. Other processing units could be provided, such as a rinsing unit and a drying unit, interposed between the forming unit 4B and the filling unit 4D. In addition, the order in which the processing units 4A to 4F indicated above should not be considered as limiting. Thus, the labeling unit 4F could be interposed between the forming unit 4B and the filling unit 4D.
    The installation 1 comprises, secondly, a system 7 for transferring the hollow bodies 2, 3 between the treatment units 4. In the example illustrated, this transfer system 7 comprises a plurality of transfer wheels 8 mounted in series and defining a transfer path which connects the different processing units 4.
    In practice, each transfer wheel 8 carries, at its periphery, a series of gripping pliers adapted to grip a hollow body (preform 2 or container 3) and to move it over a path in an arc from another wheel 8 of transfer (or a processing unit 4) located upstream, up to yet another transfer wheel 8 (or another processing unit 4) located downstream. The arrows drawn at the bottom left of FIG. 2 illustrate the direction of rotation of these transfer wheels 8.
    The installation 1 comprises, thirdly, a computerized control unit 9 connected to at least some of the parts of the installation 1 and provided with instructions programmed to ensure at least partial control of the latter. The control unit 9 can be programmed or monitored via a man-machine interface (such as a touch screen or a screen-keyboard console). The control unit 9 can thus, without limitation, command / control / regulate:
    synchronous drive of the processing units 4 and of the transfer system, the radiation power of the sources in the thermal conditioning unit 4A, the opening and closing of solenoid blowing valves for the containers in the forming unit 4B , opening and closing of solenoid valves for injecting a precursor gas into the plasma processing unit 4C, activation of the microwave plasma in the plasma processing unit 4C.
    The processing units 4 and the transfer system 7 comprise numerous mobile parts which, in operation, are dangerous and whose personnel must be kept at a distance.
    To this end, the installation 1 comprises, thirdly, a cowling 10 defining a closed enclosure 11 in which the processing units 4 and the transfer system 7 are housed.
    This cowling 10 comprising a chassis 12, which can be tubular and for example. produced by assembling aluminum profiles, as offered by the company ITEM.
    In certain parts, the cowling 10 forms a support for fixed panels 13. In other parts, and in particular the law of the processing units 4 and, at least locally, the law of the transfer system 7, the cowling defines the frames 14.
    The cowling 10 also comprises openings 15 (door or window) each mounted on a frame 14 between an open position (illustrated in dotted lines in FIG. 3) in which the opening 15 gives access to the enclosure from the outside , and a closed position (in solid lines in FIG. 3) in which the opening 15 prevents access to the enclosure 11 from the outside. In FIG. 1 and FIG. 2, the openings are shown schematically in the architectural drawings. FIG. 3 and FIG. 4 show modular openings produced by assembling metal sections. As can be seen in these figures, each opening 15 advantageously has a handle 16 allowing it to be opened manually.
    The cowling 10 further comprises, for each opening 15, a system 17 for locking the opening 15 in the closed position.
    According to an embodiment illustrated in FIG.4 and FIG.5, this locking system 17 comprises an electromechanical lock 18 mounted on the frame 14 and including:
    a movable bolt between a locking position in which it cooperates by hooking with a keeper 19 carried by the leaf 15, and a release position in which it is moved away from the keeper 19;
    a mechanism 20 for locking the bolt in the locking position, connected to the control unit 9 and controlled by it.
    The locking system 17 further comprises a proximity sensor or, as in the example illustrated in FIG.5, a contactor 21, mounted on the frame 14 and connected to the control unit 9.
    The installation 1 includes numerous openings 15 distributed to allow as easy access as possible to its various components, so as to facilitate maintenance at complete standstill. Thus, as illustrated in FIG. 2, the cowling 10 comprises openings 15 arranged:
    to the right of the processing units 4, to the right of the transfer system 7, to at least one junction between the transfer system 7 and at least one of the processing units 4.
    In this installation 1, at least one of the processing units 4 is accessory and can be disengaged from the transfer system 7, that is to say that this processing unit 4 can be stopped even while the rest of the line 1 (that is to say the other processing units 4 and the transfer system 7) remains on.
    In the example illustrated, the accessory processing unit 4 is the plasma processing unit 4C. It can be seen that the installation 1 comprises a device 22 for coupling the processing unit 4C accessory to the transfer system 7.
    In the example illustrated, this coupling device 22 comprises an input wheel 23 and an output wheel 24 both interposed between the carousel 5 and the transfer system 7 and ensuring respectively:
    the removal, from the transfer system 7, of the receptacles 3 formed, and their introduction into the accessory processing unit 4C;
    ejection of the treated containers 3 from the accessory treatment unit 4C and their reintroduction into the transfer system 7. As can be seen in FIG. 2, the coupling device 22 comprises a mechanism 25 for synchronous drive of the input wheel 23 and the output wheel 24, here in the form of a belt or a chain which circulates on the one hand on driven sprockets carried by the wheels and on the other hand on a driving pulley secured to a motor.
    Stopping of the accessory processing unit 4C can be achieved by interrupting the power supply to its drive system (typically an electric motor). In this case, the accessory processing unit 4C is disengaged from the transfer system 7 by deactivation of the coupling device 22. For this purpose, the latter can be moved away (for example by a vertical translational movement) from the transfer system 7, so as to disengage the input wheels 24 and output wheels 23 from the transfer wheels. In this case, the hollow bodies 2, 3 no longer pass through the accessory processing unit 4C but short-circuit it by continuing their journey via a bypass wheel 26 ensuring the junction between the portion of the transfer system 7 located upstream of the accessory processing unit 4C and the portion located downstream.
    As can be seen in FIG. 2, at least one opening 15P, known as the main opening, is provided in line with the remote accessory processing unit 4C of the transfer system 7.
    As can be seen in FIG. 2, at least one opening 15L, said to be bordering, is also provided in the vicinity of a junction 27 between the accessory processing unit 4C and the transfer system 7. In practice, in the example illustrated, at least two adjacent openings 15L are provided on either side of the processing unit 4C, in the vicinity of its upstream and downstream junctions 27 with the transfer system 7.
    To avoid any risk of injury to an operator dispatched to carry out an intervention on the accessory processing unit 4C stopped while the rest of the line 1 (and in particular the transfer system 7) remains in operation, it is chosen to forbid him access by the neighboring 15L openings.
    To this end, the control unit 9 detects the stopping of a processing unit 4 (here of the accessory processing unit 4C).
    The control unit 9 also detects the operation of the transfer system 7. This detection can be carried out by means of movement sensors on at least one of the transfer wheels 8, or by monitoring the movement of a drive motor of the transfer system 7.
    The control unit 9 then detects the closed position of the bordering opening 15L (or bordering opening 15L) of the processing unit 4 detected when stopped.
    In practice, this detection is carried out via the contactor 21 (or the proximity sensor) mounted on the frame 14.
    Then, if this opening 15L (or these opening 15L) is detected (are detected) in the closed position, the control unit 9 controls the locking of this opening 15L (of these opening 15L) in the closed position.
    In practice, the control unit 9 controls the bolt blocking mechanism 20 in the locking position to keep it hooked with the keeper 19 carried by the leaf 15L.
    To warn personnel of the locking of any opening 15 (and more particularly of any neighboring 15L opening) in the closed position, the control unit 9 can be programmed to generate a locking alert signal. This alert signal results, for example, in the lighting of an indicator light in the vicinity of the opening 15L locked in the closed position. This indicator can be carried by the opening 15L itself (e.g. on the handle 16) or mounted on the frame 14.
    Access by the main 15P opening (or the main 15P opening) must however remain possible.
    To this end, the control unit 9 is advantageously programmed to check whether any main opening 15P of the processing unit 4 detected when stopped is open or closed (via its contactor 21) and, assuming that the opening main 15P is detected in the closed position, to check if it is locked in this position. In this case, the control unit 9 is programmed to unlock the door 15P, so as to allow it to be opened and access to the processing unit 4C.
    Thanks to the locking of the bordering openings 15L, operators are no longer tempted to intervene on a stationary processing unit 4 in the dangerous areas of junction with the transfer system 7 when the latter has remained in operation.
    This results in better securing of access to line 1, and in particular the possibility of intervening without risk on a processing unit 4 when stopped even when the rest of line 1 (and in particular the system 7 of transfer) remains in operation.
    权利要求:
    Claims (7)
    [1" id="c-fr-0001]
    1. Method for controlling an installation (1) for handling hollow bodies (2, 3), which comprises:
    a plurality of units (4) for treating hollow bodies (2, 3); a system (7) for transferring the hollow bodies (2, 3) between the (4) treatment units, a casing (10) defining a closed enclosure (11) in which the treatment units (4) and the system are housed (7) transfer, this cover (10) comprising:
    o a frame (12) defining frames (14), o openings (15) each mounted on a frame (14) between an open position in which the opening (15) gives access to the enclosure (11) by l exterior, and a closed position in which the opening (15) prohibits access to the enclosure (11) from the outside;
    o for each opening (15), a system (17) for locking the opening (15) in the closed position;
    a control unit (9);
    this process being characterized in that it comprises the following operations:
    detection by the control unit (9) when a processing unit (4C) has stopped;
    detection by the unit (9) for controlling the closed position of openings (15L) located in the vicinity of a junction (27) between the processing unit (4C) detected when stopped and the transfer system (7) ;
    if these openings (15L) are detected in the closed position, control by the unit (9) for checking the locking of these openings (15L).
    [2" id="c-fr-0002]
    2. Method according to claim 1, characterized in that it comprises the following operation:
    if an opening (15L) located to the right of the processing unit (4) detected at standstill and at a distance from a junction (27) with the transfer system (7) is detected as locked in the closed position, unlocking of this opening.
    [3" id="c-fr-0003]
    3. Method according to claim 1 or claim 2, characterized in that it comprises the following operation:
    generation of a locking alert signal for any door (15L) locked.
    [4" id="c-fr-0004]
    4. Method according to claim 3, characterized in that the alert signal results in the lighting of an indicator light in the vicinity of the opening (15L) locked in the closed position.
    [5" id="c-fr-0005]
    5. Installation (1) for handling hollow bodies, which comprises a plurality of units (4) for treating hollow bodies (2, 3);
    a system (7) for transferring the hollow bodies (2, 3) between the (4) treatment units, a casing (10) defining a closed enclosure (11) in which the treatment units (4) and the system are housed (7) transfer, this cover (10) comprising:
    o a frame (12) defining frames (14), o openings (15) each mounted on a frame (14) between an open position in which the opening (15) gives access to the enclosure (11) by l exterior, and a closed position in which the opening (15) prohibits access to the enclosure (11) from the outside;
    o for each opening (15), a system (17) for locking the opening (15) in the closed position;
    a control unit (9);
    characterized in that the control unit (9) is programmed to: detect the shutdown of a processing unit (4C);
    detecting the closed position of openings (15L) located in the vicinity of a junction between the processing unit (4C) detected when stopped and the transfer system (7);
    if these opening elements (15L) are detected in the closed position, order the locking of these opening elements (15L).
    [6" id="c-fr-0006]
    6. Installation (1) according to claim 5, characterized in that the locking system (17) comprises a contactor (21) or a proximity sensor mounted on the frame (14) and connected to the unit (9) of control.
    [7" id="c-fr-0007]
    7. Installation (1) according to claim 5 or claim 6, characterized in that the locking system (17) comprises an electromechanical lock (18) mounted on the frame (14) and including:
    a bolt movable between a locking position in which it cooperates with a keeper (19) carried by the opening (14), and a release position in which it is moved away from the keeper (19); a bolt locking mechanism (20) in the locked position, connected to and controlled by the control unit (9).
    3 ° S72sg
    4.40
    2/4
    Ref. No.
    Ref. W 9
    3/4
    Ref. No.
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    ITUB20154638A1|2015-10-13|2017-04-13|Perini Fabio Spa|ACCESS CONTROL SYSTEM FOR MACHINING MACHINES|FR3079825B1|2018-04-06|2020-03-13|Sidel Participations|METHOD AND DEVICE FOR MANAGING A ROTARY PROCESSING UNIT|
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    优先权:
    申请号 | 申请日 | 专利标题
    FR1659844|2016-10-12|
    FR1659844A|FR3057259B1|2016-10-12|2016-10-12|METHOD FOR CONTROLLING A HANDLING FACILITY WITH SECURITY OF ACCESS FOR MAINTENANCE|FR1659844A| FR3057259B1|2016-10-12|2016-10-12|METHOD FOR CONTROLLING A HANDLING FACILITY WITH SECURITY OF ACCESS FOR MAINTENANCE|
    EP17306356.1A| EP3272491B1|2016-10-12|2017-10-09|Method of control of a manufacturing installation by safeguarding an access to maintenance works|
    US15/730,310| US10576664B2|2016-10-12|2017-10-11|Method for controlling a materials handling installation with securing of means of access for maintenance|
    CN201710944010.4A| CN107934891B|2016-10-12|2017-10-12|Method for controlling secure access to a handling device for maintenance and related handling device|
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