EP1315663B1 - Installation and method for conditioning a sheet of moulding material - Google Patents

Installation and method for conditioning a sheet of moulding material Download PDF

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Publication number
EP1315663B1
EP1315663B1 EP01965383A EP01965383A EP1315663B1 EP 1315663 B1 EP1315663 B1 EP 1315663B1 EP 01965383 A EP01965383 A EP 01965383A EP 01965383 A EP01965383 A EP 01965383A EP 1315663 B1 EP1315663 B1 EP 1315663B1
Authority
EP
European Patent Office
Prior art keywords
sheet
carriage
frame
bobbin
installation according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01965383A
Other languages
German (de)
French (fr)
Other versions
EP1315663A2 (en
Inventor
Jean-Louis Gay
Christian Four
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mixt Composites Recyclables SAS
Original Assignee
Mixt Composites Recyclables SAS
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Publication of EP1315663A2 publication Critical patent/EP1315663A2/en
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Publication of EP1315663B1 publication Critical patent/EP1315663B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/41745—Handling web roll by axial movement of roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4187—Relative movement of core or web roll in respect of mandrel
    • B65H2301/4189—Cutting
    • B65H2301/41896—Several cutting devices, e.g. located at different upstream/downstream positions of the web path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/40—Holders, supports for rolls
    • B65H2405/42—Supports for rolls fully removable from the handling machine
    • B65H2405/422—Trolley, cart, i.e. support movable on floor

Definitions

  • the invention relates to an installation and method for packaging a sheet of molding material on reels at the outlet of a sheet-molding machine.
  • Such a material commonly referred to as "SMC” (Sheet Molding Coupound) is produced continuously on a machine which may be of known type from FR-A-2 778 360 or any other type.
  • SMC Sheet Molding Coupound
  • Such a machine operates continuously and there must be provided a packaging system of the SMC sheet produced, this system being compatible with the speed of advance of the sheet at the output of the machine.
  • coils capable of receiving about 300 to 700 kg of material are used, it is possible to employ a tilting system provided with two mandrels supporting the coils, the material being alternately wound on each of these mandrels.
  • the invention intends to respond more particularly by proposing a new installation which is compatible with the continuous operation of an SMC production machine and with the use of large mass and diameter coils.
  • the use of two successive locations makes it possible to provide, for each location, support means and drive means adapted to the strip of molding material, whereas the carriage makes it possible to alternately sheet of molding material to each of the coils installed respectively in each of these locations.
  • the bi-partite nature of the carriage of the invention makes it possible to vary its length parallel to the horizontal direction of advance of the sheet. It is thus possible to provide a compact configuration of the carriage, for example when not in use, and an extended position that allows it to guide the sheet of molding material over a relatively large length. It is thus possible to optimize the support conditions of the sheet at the output of the molding material production machine.
  • DE 3016911 discloses an installation with the features of the preamble of claim 1 and also a method with the features of the preamble of claim 10.
  • the installation according to the invention is disposed at the output of a machine 1 for producing SMC type composite molding material, in the form of a sheet 2 flowing along a path represented by the arrows F 1 in the figures.
  • the machine 1 is equipped with a puppet 3 making it possible to compensate for the variations in length and running speed of the sheet 2.
  • the sheet 2 can be wound on the mandrel 4a or 4'a of coils 4 and 4 'supported by the arms of a rocker 5 arranged opposite the exit zone of the machine. 1.
  • the sheet 2 is being wound on the coil 4 while the coil 4 ' can be either loaded on the rocker 5 or unloaded thereof before being stored on a transport pallet 6 disposed nearby.
  • This use of the machine 1 corresponds to the state of the art known.
  • the direction XX ' is generally parallel to the path F 1 of the strip 2 in its upper part, after its exit from the machine 1.
  • a carriage 20 rests on rails 21 above the rocker 5 and locations 15 and 15 '.
  • This carriage is equipped with several rollers 22 for supporting the sheet 2 in its forward movement F 1 , these rollers being mounted idle on two frames, namely a main frame 20A and a secondary frame 20B each provided with wheels 23A, respectively 23B, allowing them to slide along the rails 21, as represented by the arrow F 4 .
  • the wheels 23A rest on the rails 21 while the wheels 23B, which are located at the height of the frame 20B disposed at a level below that of the frame 20B, rest on the lower wings of the rails 21 which have a cross-section generally shaped vs.
  • An electric motor 29 drives some wheels 23A for moving the carriage 20 on the rails 21.
  • the motor 29 is controlled by the control unit of the machine 1.
  • a jack 24 is mounted on the main frame 20A.
  • the secondary frame 20B is integral with the rod 24b of the jack 24, so that the spacing e between the frames 20A and 20B can be adjusted by means of the jack 24.
  • the total length L of the carriage 20 is provided sufficient for the sheet 2 to be efficiently guided by forming a generally horizontal and flat web on the rollers 22.
  • the length of the carriage 20 can be adjusted by means of the jack 24, depending on the characteristics of sheet 2, these characteristics being able to vary because of its composite nature.
  • the adjustment of the length of the carriage 20 also makes it possible to adjust the winding tension of the sheet 2.
  • the carriage 20 When it is necessary to fill the coil 14, the carriage 20 is positioned on the rails 21 so that its edge 20C is disposed substantially above the coil 14.
  • the portion 2a of the sheet 2 stretched between the carriage 20 and the coil 14 extends in a plane slightly inclined relative to the vertical.
  • the portion 2a of the sheet 2 from the carriage 20 can thus be easily wound on the mandrel 14a of the spool 14 suitably rotated in the direction of the arrow R.
  • a guide device 25 of the part 2a of the sheet 2 is constituted by a part 251 hinged to the frame 20A around a Y axis 25 generally perpendicular to the direction X-X '.
  • This frame carries, at its end opposite the Y axis 25 , two rollers 252 and 253 defining between them a slot 254 for the passage of the sheet 2.
  • the frame 251 also supports a plate 255 which extends over the entire width of the carriage 20.
  • the position of the frame 251 about the Y axis 25 is controlled thanks to two cylinders represented by their axes 256, articulated on the frame 20A and whose rod is secured to the frame 251.
  • the frame 251 remains in the position shown in Figures 4 and 5 except when the carriage 20 is not used, as in the configuration of Figure 8, in which case the cylinders 256 are contracted to bring the rollers 252 and 253 to immediate vicinity of the frame 20A to reduce the size of the carriage 20.
  • a cutting device 26 is hinged to the frame 20A about a Y axis 26 generally parallel to the Y axis 25 , that is to say perpendicular to the X-X 'direction.
  • the device 26 comprises a frame 261 supporting a rodless cylinder 262 controlling a blade 263.
  • Two cylinders represented by their axes 266 are hinged to the frame 20A and can control the pivoting of the frame 261 about the Y axis 26 .
  • the device 26 is in the position of Figure 4 where it does not interfere with the sheet 2.
  • the cylinders 266 are activated to bring the frame 261 in. the configuration of Figure 5 where the blade 263 is in contact with the sheet 2. Then, the cylinder 262 moves the blade 263 along the plate 255, thereby cutting the sheet 2.
  • the carriage 20 is equipped with a device 27 for driving and locking the sheet 2 which comprises a frame 271 hinged about a Y axis 27 on the frame 20A and whose movement is controlled by two cylinders represented by their axis lines 276.
  • the frame 271 supports a first roller 272 which extends parallel to the rollers 22 and the Y axis 27 and which is motorized through to an electric motor 274.
  • the frame 271 also supports a second roller 273 mounted idler and parallel to the roller 272.
  • a carpet 275 formed of metal links is stretched around the rollers 272 and 273 and can be set in motion by the controlled rotation of the roller 272.
  • roller 22 has the roller 20A supported by the frame and arranged closest to the edge 20C, that is to say, the roller 22 which is the last in the path of the sheet 2.
  • the frame 271 Concurrently with the displacement of the frame 261, the frame 271 is moved towards the frame 20A by the cylinders 276, so that the belt 275 is tightly pressed against the sheet 2 supported on the roller 22 a.
  • the distance e 'of the rollers 272 and 273 is chosen so that the roller 22 has to be partially engaged between the rollers 272 and 273, as shown in Figure 5.
  • the mat 275 acts as a brake to a possible removal of the sheet 2 in the opposite direction to the arrows F 1 .
  • the motor 274 can be blocked. This motor is equipped with a reducer thus increasing the value of the resistant torque, which prevents the return of the sheet 2.
  • the carriage 20 When the sheet 2 has been cut by the blade 263, the carriage 20 is moved so that its edge 20C is found substantially above the coil 14 'which has been placed in the location 15' in parallel at the winding of the sheet 2 on the reel 14. From this configuration, the motor 274 is activated so that the roller 272 is driven in the direction of the arrow F 5 in Figure 5 which has the effect , taking into account the pressure exerted by the cylinders 276 and the firm support of the belt 275 on the sheet 2, to drive the sheet 2 in the direction of the arrows F 1 , so that its free edge which was previously at the plate 255 progresses in the direction of mandrel 14 ' a of the coil 14' around which the sheet 2 then begins to be wound. The spool 14 'is then rotated and the cylinders 276 are activated to move the carpet 275 away from the sheet 2.
  • the spool 14 is evacuated and a new spool is put in place.
  • the procedure is as indicated above for the reel 14 and the carriage 20 is brought back above the location 15.
  • the drive system 28 of the coils. 14 and 14 ' is shown only in Figure 6 for clarity of the drawing. It comprises an electric motor equipped with a gearbox 281 whose output shaft is coupled to a plate 282 provided with two fingers 283 intended to be introduced into openings 141 provided between bars 142 in the center of each flange 143 of the coils 14 or 14 '.
  • the fingers 283 When the fingers 283 have been introduced into the openings 141 and when the motor 281 is activated, the fingers come into contact with two bars 142 on which they can exert a driving torque in rotation of the coil 14 or 14 'considered.
  • the system 28 is movable along the directions Y 1 -Y ' 1 , Y 2- Y' 2 and X-X ', so that it can be alternately brought into engagement with one or the other of the coils 14 or 14 '.
  • Each coil 14 or 14 ' is supported by a frame 16 or 16' formed of angles welded or assembled by bolting.
  • the lower cross members 161 of the frames 16 are U-sectioned, with sails of large thickness giving them good dimensional stability, even when they are handled relatively abruptly with forklifts.
  • Each frame 16 or 16 ' defines four shoes 162 in a cylinder arc arranged in line with the flanges 143 of the coils 14 and the like.
  • each coil 14 rests, by each flange 143, on two shoes 162, so that, given its weight and the friction forces between the edges 144 of the flanges 143 and the shoes 162, the coil 14 is immobilized in rotation about its central axis Y 14 . This corresponds to the position shown in Figure 7 which is that of the coil 14 when it is to be stored or transported.
  • the frame 16 When it is necessary to rotate the coil 14 about its axis Y 14 , in particular for the conditioning of the sheet 2 or for the unwinding thereof for its use, the frame 16 is installed, as represented by the arrows F 6 , on an auxiliary frame 17 consisting of crosspieces 171 extending in generally horizontal directions and from which upwardly protruding supports 172 on which are mounted idle rollers 173 which are four in number and which are arranged so that, when the frame 16 is placed on the frame 17, the edges 144 of the flanges 143 rest on the rollers 173 by being detached from the shoes 162.
  • the height h 1 of the centers of the rollers 173 relative to the upper face of the cross members 171 is greater than the height h 2 of the lower portion of the edge 144 of the flange 143 relative to the lower surface of the cross members 161.
  • Each auxiliary frame 17 is equipped with wheels 174 allowing it to slide, perpendicularly to the direction F 1 of advance of the sheet 2, on rails 7 extending into the floor of the installation along the directions Y 1 -Y ' 1 and Y 2 -Y ' 2' as shown in FIG. 3.
  • An indexing system of the position of the frames 17 and 17 'along the rails 7 can be provided by means of a finger 175 loaded elastically in the direction of the ground and able to engage in the holes 8 provided in the ground. level of the position of the frames 17 and 17 'in each of the locations 15 and 15' and in each of the loading / unloading positions of the main frames on the auxiliary frames.
  • the invention has been represented with two coils 14 and 14 'disposed in two locations 15 and 15'. However, it is applicable with three or more locations, the number of coils used being adapted accordingly without disturbing the operation of the production line, in particular of the machine 1.
  • the invention has been described when it is implemented with a sheet of SMC. It is, however, applicable with other sheet molding materials, such as mats or fiber fabrics.

Abstract

An installation for winding sheets of molding materials exiting a machine wherein at least two coil devices are provided at space locations horizontally with respect to an exit of the machine, and wherein the sheet material is directed to the coils by way of a horizontally movable carriage including a main frame and a secondary frame, which is adjustable horizontally relative to the main frame, and which carriage is movable horizontally to direct the sheet material to a selected one of the at least two coils.

Description

L'invention a trait à une installation et à un procédé de conditionnement d'une feuille de matériau de moulage sur des bobines en sortie d'une machine de production d'un matériau de moulage en feuille.The invention relates to an installation and method for packaging a sheet of molding material on reels at the outlet of a sheet-molding machine.

Un tel matériau, communément dénommé "SMC" (Sheet Moulding Coupound), est produit en continu sur une machine qui peut être de type connu de FR-A-2 778 360 ou de tout autre type. Une telle machine fonctionne sans interruption et il doit être prévu un système de conditionnement de la feuille de SMC produite, ce système étant compatible avec la vitesse d'avance de la feuille en sortie de la machine. Lorsque des bobines aptes à recevoir environ 300 à 700 kg de matériau sont utilisées, il est possible d'employer un système à basculeur pourvu de deux mandrins de support des bobines, la matière étant alternativement enroulée sur chacun de ces mandrins.Such a material, commonly referred to as "SMC" (Sheet Molding Coupound), is produced continuously on a machine which may be of known type from FR-A-2 778 360 or any other type. Such a machine operates continuously and there must be provided a packaging system of the SMC sheet produced, this system being compatible with the speed of advance of the sheet at the output of the machine. When coils capable of receiving about 300 to 700 kg of material are used, it is possible to employ a tilting system provided with two mandrels supporting the coils, the material being alternately wound on each of these mandrels.

Cependant, pour certaines applications au moins, il est nécessaire de prévoir l'utilisation de bobines de grandes capacités, ces bobines ne pouvant être manipulées par un système à basculeur, du fait de leur poids et de leur encombrement.However, for at least some applications, it is necessary to provide for the use of coils of large capacity, these coils can not be handled by a tilting system, because of their weight and size.

C'est à ce problème qu'entend plus particulièrement répondre l'invention en proposant une nouvelle installation qui est compatible avec le fonctionnement en continu d'une machine de production de SMC et avec l'utilisation de bobines de masse et de diamètre importants.It is this problem that the invention intends to respond more particularly by proposing a new installation which is compatible with the continuous operation of an SMC production machine and with the use of large mass and diameter coils.

Dans cet esprit, l'invention concerne une installation du type précité qui comprend :

  • au moins deux emplacements de positionnement de bobines d'enroulement de la feuille de SMC, ces emplacements se faisant suite selon une direction globalement horizontale
  • un chariot constitué d'un cadre principal et d'un cadre secondaire, pourvu de rouleaux de guidage de la feuille et mobile en translation, selon la direction précitée, entre une première position située globalement au-dessus d'un premier emplacement et une seconde position située globalement au-dessus du second emplacement, et réciproquement, les chariots principal et secondaire étant aptes à coulisser l'un par rapport à l'autre parallèlement à la direction horizontale précitée.
In this spirit, the invention relates to an installation of the aforementioned type which comprises:
  • at least two coil positioning locations of the SMC sheet, these locations being in a generally horizontal direction
  • a carriage consisting of a main frame and a secondary frame, provided with guide rollers of the sheet and movable in translation, in the aforementioned direction, between a first position situated generally above a first location and a second position located generally above the second location, and vice versa, the main and secondary carriages being slidable relative to each other parallel to the aforesaid horizontal direction.

Grâce à l'invention, l'utilisation de deux emplacements successifs permet de prévoir, pour chaque emplacement, des moyens de support et des moyens d'entraînement adaptés de la bande de matériau de moulage, alors que le chariot permet d'amener alternativement la feuille de matériau de moulage jusqu'à chacune des bobines installées respectivement dans chacun de ces emplacements. Le caractère bi-partite du chariot de l'invention permet de faire varier sa longueur parallèlement à la direction horizontale d'avance de la feuille. Il est ainsi possible de prévoir une configuration compacte de ce chariot, par exemple lorsqu'il n'est pas utilisé, et une position étendue qui lui permet de guider la feuille de matériau de moulage sur une longueur relativement importante. On peut ainsi optimiser les conditions de support de la feuille en sortie de la machine de production de matériau de moulage.Thanks to the invention, the use of two successive locations makes it possible to provide, for each location, support means and drive means adapted to the strip of molding material, whereas the carriage makes it possible to alternately sheet of molding material to each of the coils installed respectively in each of these locations. The bi-partite nature of the carriage of the invention makes it possible to vary its length parallel to the horizontal direction of advance of the sheet. It is thus possible to provide a compact configuration of the carriage, for example when not in use, and an extended position that allows it to guide the sheet of molding material over a relatively large length. It is thus possible to optimize the support conditions of the sheet at the output of the molding material production machine.

Selon des aspects avantageux de l'invention, l'installation incorpore une ou plusieurs des caractéristiques suivantes :

  • Le chariot est équipé d'un dispositif d'entraînement de la feuille, ce dispositif étant mobile, concomittamment à la mise en oeuvre de moyens de découpe de la feuille, entre une position d'engagement avec la feuille et une position dégagée par rapport à celle-ci. On peut, en particulier, prévoir que ce dispositif comprend un cadre supportant un rouleau motorisé et un rouleau suiveur, ces rouleaux étant centrés chacun sur un axe globalement perpendiculaire à la direction d'avance de la feuille et entourés par un tapis d'entraînement, alors que ce cadre est articulé sur le chariot autour d'un axe globalement perpendiculaire à cette direction, entre une première position où le tapis est au contact de la feuille et une seconde position où le tapis est éloigné de la feuille, et réciproquement.
  • Le chariot est équipé d'un dispositif de coupe monté sur un cadre articulé sur le chariot autour d'un axe globalement perpendiculaire à la direction d'avance de la feuille. Le dispositif de coupe peut donc être activé par pivotement de son cadre autour de son axe d'articulation.
  • Le chariot est équipé d'un dispositif de guidage terminal s'étendant, en configuration d'utilisation du chariot, en direction d'une bobine en cours de remplissage, le dispositif de guidage étant articulé sur le chariot autour d'un axe globalement perpendiculaire à la direction d'avance de la feuille. Le caractère articulé de ce dispositif de guidage permet de l'escamoter lorsque le chariot n'est pas utilisé.
  • Les cadres principal et secondaire sont équipés de rouleaux permettant de supporter la feuille dans son mouvement d'avance.
  • Le chariot est apte à être déplacé vers une position d'attente où il n'interfère pas avec le cheminement de la feuille. Cet aspect de l'invention permet d'utiliser une machine de production de SMC à la fois pour produire des bobines de SMC de poids important, supérieur à 1 000 kg, et des bobines de SMC de l'ordre de 300 à 700 kg, telles que connues précédemment.
  • Chaque bobine est montée dans un châssis principal dans lequel elle est apte à reposer, par les bords périphériques de ses flasques, sur des sabots de blocage, alors que le châssis principal est apte à être posé sur un châssis auxiliaire équipé de galets aptes à soulever les bords précités par rapport aux sabots lorsque le châssis principal est posé sur le châssis auxiliaire. L'utilisation de ces deux châssis permet de prévoir un blocage par défaut d'une bobine à l'intérieur du châssis principal grâce à l'utilisation des sabots, ce blocage étant supprimé lorsque la bobine et le châssis principal sont posés sur le châssis auxiliaire, les galets montés fous permettant de supporter les flasques de la bobine avec une possibilité de rotation.
  • Le châssis auxiliaire est équipé de roues lui permettant de coulisser selon une direction globalement perpendiculaire à la direction d'avance de la feuille. Cet accès transversal permet de réaliser les opérations de mise en place et d'évacuation des bobines en temps masqué.
According to advantageous aspects of the invention, the installation incorporates one or more of the following characteristics:
  • The carriage is equipped with a device for driving the sheet, this device being movable, concomitantly with the implementation of means for cutting the sheet, between an engagement position with the sheet and a position released with respect to it. In particular, it can be provided that this device comprises a frame supporting a motorized roller and a follower roller, these rollers being each centered on an axis generally perpendicular to the direction of advance of the sheet and surrounded by a drive belt, while this frame is articulated on the carriage about an axis generally perpendicular to this direction, between a first position where the mat is in contact with the sheet and a second position where the mat is removed from the sheet, and vice versa.
  • The carriage is equipped with a cutting device mounted on a frame articulated on the carriage about an axis generally perpendicular to the direction of advance of the sheet. The cutting device can therefore be activated by pivoting its frame around its axis of articulation.
  • The carriage is equipped with a terminal guiding device extending, in the configuration of use of the carriage, towards a reel being filled, the guiding device being articulated on the carriage about a generally perpendicular axis to the direction of advance of the sheet. The articulated nature of this guiding device makes it possible to retract it when the trolley is not used.
  • The main and secondary frames are equipped with rollers to support the sheet in its advance movement.
  • The carriage is able to be moved to a waiting position where it does not interfere with the path of the sheet. This aspect of the invention makes it possible to use an SMC production machine both to produce large weight SMC coils, greater than 1000 kg, and SMC coils of the order of 300 to 700 kg, as previously known.
  • Each coil is mounted in a main frame in which it is adapted to rest, by the peripheral edges of its flanges, on locking shoes, while the main frame is adapted to be placed on an auxiliary frame equipped with rollers capable of lifting the aforementioned edges relative to the hooves when the main frame is placed on the auxiliary frame. The use of these two frames makes it possible to provide a default locking of a coil inside the main frame by using the shoes, this blocking being removed when the coil and the main frame are placed on the auxiliary frame. , the idler rollers to support the flanges of the coil with a possibility of rotation.
  • The auxiliary frame is equipped with wheels allowing it to slide in a direction generally perpendicular to the direction of advance of the sheet. This transversal access makes it possible to carry out the operations of setting up and evacuating the coils in masked time.

L'invention concerne également un procédé de conditionnement qui peut être mis en oeuvre avec l'installation précédemment décrite et, plus spécifiquement, un procédé qui comprend les étapes consistant à utiliser deux types de bobines de diamètre différents en sortie de la machine, selon la quantité de matière à enrouler, alors que

  • lorsqu'on utilise des bobines de diamètre relativement plus petit,
    celles-ci sont supportées par un basculeur disposé en regard de la zone de sortie de la machine et
  • lorsqu'on utilise des bobines de diamètre relativement plus grand,
    • on installe, dans l'un au moins de deux emplacements de positionnement de bobines situés en aval du basculeur par rapport à une direction d'avance de la feuille, une bobine apte à être entraînée en rotation ;
    • on dispose, sensiblement au-dessus de la bobine, un chariot mobile pourvu de rouleaux de guidage sur
    ou contre lesquels la feuille a été préalablement disposée ;
    • on entraîne la feuille à partir du chariot pour déplacer le bord avant de cette feuille jusqu'au contact du mandrin de la bobine ;
    • on entraîne en rotation la bobine jusqu'à enroulement de la quantité désirée de matériau ;
    • on coupe la feuille au voisinage du chariot et
    • on déplace le chariot jusqu'au dessus du second emplacement dans lequel une seconde bobine a été préalablement installée.
The invention also relates to a packaging method that can be implemented with the previously described installation and, more specifically, a method that comprises the steps of using two different types of coils of different diameter at the output of the machine, according to the amount of material to be rolled up, while
  • when using coils of relatively smaller diameter,
    these are supported by a rocker arranged next to the exit zone of the machine and
  • when using coils of relatively larger diameter,
    • installing in at least one of two coil positioning locations located downstream of the rocker with respect to a direction of advance of the sheet, a coil adapted to be rotated;
    • there is disposed, substantially above the coil, a movable carriage provided with guide rollers on
    or against which the sheet has been previously arranged;
    • driving the sheet from the carriage to move the leading edge of this sheet to contact the mandrel of the spool;
    • the reel is rotated until the desired amount of material is wound;
    • the sheet is cut in the vicinity of the carriage and
    • the carriage is moved to the top of the second location in which a second coil has been previously installed.

Le document DE 3016911 expose une installation avec les caractéristiques du preambule de la revendication 1 et aussi un procédé avec les caractéristiques du preambule de la revendication 10.DE 3016911 discloses an installation with the features of the preamble of claim 1 and also a method with the features of the preamble of claim 10.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaîtront plus clairement à la lumière de la description qui va suivre d'un mode de réalisation d'une installation conforme à son principe et de son procédé de fonctionnement, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une représentation schématique de principe d'une installation conforme à l'invention dans une première configuration d'utilisation ;
  • la figure 2 est une vue analogue à la figure 1 alors que l'installation est dans une seconde configuration d'utilisation ;
  • la figure 3 est une vue de dessus de l'installation dans la configuration de la figure 1 ;
  • la figure 4 est une coupe longitudinale à plus grande échelle d'une partie du chariot utilisé dans l'installation des figures 1 à 3 ;
  • la figure 5 est une coupe analogue à la figure 4 alors que l'installation est dans une autre configuration d'utilisation ;
  • la figure 6 est une représentation schématique de principe du système d'entraînement des bobines utilisé dans l'installation ;
  • la figure 7 est une vue, à plus grande échelle et en éclaté, des éléments se trouvant dans un emplacement de l'installation et
  • la figure 8 est une vue analogue aux figures 1 et 2 dans une autre configuration d'utilisation de l'installation.
The invention will be better understood and other advantages thereof will appear more clearly in the light of the following description of an embodiment of an installation according to its principle and its method of operation, given solely by way of example and with reference to the accompanying drawings in which:
  • Figure 1 is a schematic representation of a principle of an installation according to the invention in a first configuration of use;
  • Figure 2 is a view similar to Figure 1 while the installation is in a second configuration of use;
  • Figure 3 is a top view of the installation in the configuration of Figure 1;
  • Figure 4 is a longitudinal section on a larger scale of a portion of the carriage used in the installation of Figures 1 to 3;
  • Figure 5 is a section similar to Figure 4 while the installation is in another configuration of use;
  • Figure 6 is a schematic representation of the principle of the coil drive system used in the installation;
  • FIG. 7 is an enlarged and exploded view of the elements in a location of the installation and
  • Figure 8 is a view similar to Figures 1 and 2 in another configuration of use of the installation.

L'installation conforme à l'invention est disposée en sortie d'une machine 1 de production de matériau composite de moulage de type SMC, sous la forme d'une feuille 2 circulant selon un trajet représenté par les flèches F1 sur les figures. La machine 1 est équipée d'un pantin 3 permettant de compenser les variations de longueur et de vitesse de défilement de la feuille 2.The installation according to the invention is disposed at the output of a machine 1 for producing SMC type composite molding material, in the form of a sheet 2 flowing along a path represented by the arrows F 1 in the figures. The machine 1 is equipped with a puppet 3 making it possible to compensate for the variations in length and running speed of the sheet 2.

Comme il ressort plus particulièrement de la figure 8, la feuille 2 peut être enroulée sur le mandrin 4a ou 4'a de bobines 4 et 4' supportées par les bras d'un basculeur 5 disposé en regard de la zone de sortie de la machine 1. Dans la configuration représentée à la figure 8, la feuille 2 est en cours d'enroulement sur la bobine 4 alors que la bobine 4' peut être soit chargée sur le basculeur 5, soit déchargée de celui-ci avant d'être stockée sur une palette de transport 6 disposée à proximité. Cette utilisation de la machine 1 correspond à l'état de la technique connue.As is more particularly apparent from FIG. 8, the sheet 2 can be wound on the mandrel 4a or 4'a of coils 4 and 4 'supported by the arms of a rocker 5 arranged opposite the exit zone of the machine. 1. In the configuration shown in Figure 8, the sheet 2 is being wound on the coil 4 while the coil 4 ' can be either loaded on the rocker 5 or unloaded thereof before being stored on a transport pallet 6 disposed nearby. This use of the machine 1 corresponds to the state of the art known.

Lorsque des bobines 14 et 14' de diamètre d important doivent être utilisées, notamment pour l'enroulement de la feuille 2 dans des quantités supérieures à 1 000 kg, on utilise deux emplacements 15 et 15' prévus successivement en arrière du basculeur 5 selon une direction globalement horizontale X-X' de progression de la feuille 2 après sa sortie de la machine 1. Ces emplacements 15 et 15' sont accessibles selon deux direction Y1-Y'1, Y2-Y'2 globalement perpendiculaires à la direction X-X'.When the coils 14 and 14 'of large diameter d should be used, in particular for the winding of the sheet 2 in quantities greater than 1000 kg, uses two slots 15 and 15' provided successively back of the rocker 5 in a generally horizontal direction XX 'of progression of the sheet 2 after its exit from the machine 1. These locations 15 and 15' are accessible in two directions Y 1 -Y ' 1 , Y 2 -Y' 2 generally perpendicular to the direction X- X '.

La direction X-X' est globalement parallèle au trajet F1 de la bande 2 dans sa partie supérieure, après sa sortie de la machine 1.The direction XX 'is generally parallel to the path F 1 of the strip 2 in its upper part, after its exit from the machine 1.

Ainsi, et comme cela ressort de la figure 3, il est possible de mettre en place une bobine 14' vide dans l'emplacement 15' par une translation dans le sens de la flèche F2 à la figure 3, cette flèche étant parallèle à la direction Y2-Y'2. Au terme du remplissage de la bobine 14, il est possible de retirer celle-ci, comme représenté par la flèche F3 qui est - parallèle-à la direction Y,-Y'1. Ainsi, une intervention F2 ou F3 sur l'une des bobines 14 ou 14' n'a pas d'influence sur la bobine 14' ou 14 située dans un emplacement voisin 15' ou 15.Thus, and as is apparent from FIG. 3, it is possible to set up a coil 14 'empty in the location 15' by a translation in the direction of the arrow F 2 in FIG. 3, this arrow being parallel to the direction Y 2- Y ' 2 . At the end of the filling of the coil 14, it is possible to remove the latter, as represented by the arrow F 3 which is parallel to the Y direction, Y ' 1 . Thus, an intervention F 2 or F 3 on one of the coils 14 or 14 'has no influence on the coil 14' or 14 located in a neighboring location 15 'or 15.

Un chariot 20 repose sur des rails 21 au-dessus du basculeur 5 et des emplacements 15 et 15'. Ce chariot est équipé de plusieurs rouleaux 22 permettant de supporter la feuille 2 dans son mouvement d'avance F1, ces rouleaux étant montés fous sur deux cadres, à savoir un cadre principal 20A et un cadre secondaire 20B pourvus chacun de roues 23A, respectivement 23B, leur permettant de coulisser le long des rails 21, comme représenté par la flèche F4. Les roues 23A reposent sur les rails 21 alors que les roues 23B, qui sont situées à hauteur du cadre 20B disposé à un niveau inférieur à celui du cadre 20B, reposent sur les ailes inférieures des rails 21 qui ont une section transversale globalement en forme de C.A carriage 20 rests on rails 21 above the rocker 5 and locations 15 and 15 '. This carriage is equipped with several rollers 22 for supporting the sheet 2 in its forward movement F 1 , these rollers being mounted idle on two frames, namely a main frame 20A and a secondary frame 20B each provided with wheels 23A, respectively 23B, allowing them to slide along the rails 21, as represented by the arrow F 4 . The wheels 23A rest on the rails 21 while the wheels 23B, which are located at the height of the frame 20B disposed at a level below that of the frame 20B, rest on the lower wings of the rails 21 which have a cross-section generally shaped vs.

Un moteur électrique 29 entraîne certaines roues 23A pour le déplacement du chariot 20 sur les rails 21. Le moteur 29 est commandé par l'unité de contrôle de la machine 1.An electric motor 29 drives some wheels 23A for moving the carriage 20 on the rails 21. The motor 29 is controlled by the control unit of the machine 1.

Un vérin 24 est monté sur le cadre principal 20A. Le cadre secondaire 20B est solidaire de la tige 24b du vérin 24, de telle sorte que l'écartement e entre les cadres 20A et 20B peut être réglé au moyen du vérin 24.A jack 24 is mounted on the main frame 20A. The secondary frame 20B is integral with the rod 24b of the jack 24, so that the spacing e between the frames 20A and 20B can be adjusted by means of the jack 24.

La longueur totale L du chariot 20 est prévue suffisante pour que la feuille 2 soit efficacement guidée en formant une nappe globalement horizontale et plane sur les rouleaux 22. Ainsi, la longueur du chariot 20 peut être ajustée grâce au vérin 24, en fonction des caractéristiques de la feuille 2, ces caractéristiques pouvant varier du fait de son caractère composite. Le réglage de la longueur du chariot 20 permet également d'ajuster la tension d'enroulement de la feuille 2.The total length L of the carriage 20 is provided sufficient for the sheet 2 to be efficiently guided by forming a generally horizontal and flat web on the rollers 22. Thus, the length of the carriage 20 can be adjusted by means of the jack 24, depending on the characteristics of sheet 2, these characteristics being able to vary because of its composite nature. The adjustment of the length of the carriage 20 also makes it possible to adjust the winding tension of the sheet 2.

A contrario, lorsque le chariot 20 n'est pas utilisé, comme représente à la figure 8, le vérin 24 est rétracté afin de réduire l'encombrement total du chariot 20 parallèlement à la direction X-X'.Conversely, when the carriage 20 is not used, as shown in Figure 8, the cylinder 24 is retracted to reduce the overall size of the carriage 20 parallel to the direction X-X '.

On note 20C le bord du chariot 20 qui s'étend, perpendiculairement à la direction X-X', à l'opposé de la machine 1.Note 20C the edge of the carriage 20 which extends perpendicular to the direction X-X ', opposite the machine 1.

Lorsqu'il convient de remplir la bobine 14, le chariot 20 est positionné sur les rails 21 de telle sorte que son bord 20C est disposé sensiblement au-dessus de la bobine 14. Ainsi, la partie 2a de la feuille 2 tendue entre le chariot 20 et la bobine 14 s'étend selon un plan peu incliné par rapport à la verticale. La partie 2a de la feuille 2 provenant du chariot 20 peut donc être aisément enroulée sur le mandrin 14a de la bobine 14 convenablement entraînée en rotation dans le sens de la flèche R.When it is necessary to fill the coil 14, the carriage 20 is positioned on the rails 21 so that its edge 20C is disposed substantially above the coil 14. Thus, the portion 2a of the sheet 2 stretched between the carriage 20 and the coil 14 extends in a plane slightly inclined relative to the vertical. The portion 2a of the sheet 2 from the carriage 20 can thus be easily wound on the mandrel 14a of the spool 14 suitably rotated in the direction of the arrow R.

Un dispositif de guidage 25 de la partie 2a de la feuille 2 est constitué par un cadre 251 articulé sur le cadre 20A autour d'un axe Y25 globalement perpendiculaire à la direction X-X'. Ce cadre porte, à son extrémité opposée à l'axe Y25, deux rouleaux 252 et 253 définissant entre eux une fente 254 de passage de la feuille 2. Le cadre 251 supporte également une plaque 255 qui s'étend sur toute la largeur du chariot 20. La position du cadre 251 autour de l'axe Y25 est commandée grâce à deux vérins représentés par leurs traits d'axes 256, articulés sur le cadre 20A et dont la tige est solidaire du cadre 251.A guide device 25 of the part 2a of the sheet 2 is constituted by a part 251 hinged to the frame 20A around a Y axis 25 generally perpendicular to the direction X-X '. This frame carries, at its end opposite the Y axis 25 , two rollers 252 and 253 defining between them a slot 254 for the passage of the sheet 2. The frame 251 also supports a plate 255 which extends over the entire width of the carriage 20. The position of the frame 251 about the Y axis 25 is controlled thanks to two cylinders represented by their axes 256, articulated on the frame 20A and whose rod is secured to the frame 251.

Le cadre 251 demeure dans la position représentée aux figures 4 et 5 sauf lorsque le chariot 20 n'est pas utilisé, comme dans la configuration de la figure 8, auquel cas les vérins 256 sont contractés pour ramener les rouleaux 252 et 253 jusqu'au voisinage immédiat du cadre 20A afin de diminuer l'encombrement du chariot 20.The frame 251 remains in the position shown in Figures 4 and 5 except when the carriage 20 is not used, as in the configuration of Figure 8, in which case the cylinders 256 are contracted to bring the rollers 252 and 253 to immediate vicinity of the frame 20A to reduce the size of the carriage 20.

Un dispositif de découpe 26 est articulé sur le cadre 20A autour d'un axe Y26 globalement parallèle à l'axe Y25, c'est-à-dire perpendiculaire à la direction X-X'. Le dispositif 26 comprend un cadre 261 supportant un vérin sans tige 262 commandant une lame 263. Deux vérins représentés par leurs traits d'axes 266 sont articulés sur le châssis 20A et permettent de commander le pivotement du cadre 261 autour de l'axe Y26.A cutting device 26 is hinged to the frame 20A about a Y axis 26 generally parallel to the Y axis 25 , that is to say perpendicular to the X-X 'direction. The device 26 comprises a frame 261 supporting a rodless cylinder 262 controlling a blade 263. Two cylinders represented by their axes 266 are hinged to the frame 20A and can control the pivoting of the frame 261 about the Y axis 26 .

Au cours du remplissage de la bobine 14, le dispositif 26 est dans la position de la figure 4 où il n'interfère pas avec la feuille 2. Lorsque la bobine 14 a été remplie, les vérins 266 sont activés pour amener le cadre 261 dans la configuration de la figure 5 où la lame 263 est au contact de la feuille 2. Ensuite, le vérin 262 déplace la lame 263 le long de la plaque 255, en sectionnant ainsi la feuille 2.During the filling of the coil 14, the device 26 is in the position of Figure 4 where it does not interfere with the sheet 2. When the coil 14 has been filled, the cylinders 266 are activated to bring the frame 261 in. the configuration of Figure 5 where the blade 263 is in contact with the sheet 2. Then, the cylinder 262 moves the blade 263 along the plate 255, thereby cutting the sheet 2.

Il est alors possible de procéder à l'enroulement final de la feuille 2 sur la bobine 14.It is then possible to proceed to the final winding of the sheet 2 on the coil 14.

Lorsque la feuille 2 a été coupée, celle-ci ne subit plus d'effort de tension dû au mouvement de rotation de la bobine 14. Il convient donc d'éviter que la feuille 2 ne reparte en direction de la machine 1 sous l'effet de l'effort élastique exercé par le pantin 3. Pour ce faire, le chariot 20 est équipé d'un dispositif 27 d'entraînement et de blocage de la feuille 2 qui comprend un cadre 271 articulé autour d'un axe Y27 sur le cadre 20A et dont le déplacement est commandé grâce à deux vérins représentés par leurs traits d'axes 276. Le cadre 271 supporte un premier rouleau 272 qui s'étend parallèlement aux rouleaux 22 et à l'axe Y27 et qui est motorisé grâce à un moteur électrique 274. Le cadre 271 supporte également un second rouleau 273 monté fou et parallèle au rouleau 272. Un tapis 275 formé de maillons métalliques est tendu autour des rouleaux 272 et 273 et peut être mis en mouvement par la rotation commandée du rouleau 272.When the sheet 2 has been cut, it no longer undergoes tension force due to the rotational movement of the coil 14. It is therefore necessary to prevent the sheet 2 from returning towards the machine 1 under the effect of the elastic force exerted by the puppet 3. To do this, the carriage 20 is equipped with a device 27 for driving and locking the sheet 2 which comprises a frame 271 hinged about a Y axis 27 on the frame 20A and whose movement is controlled by two cylinders represented by their axis lines 276. The frame 271 supports a first roller 272 which extends parallel to the rollers 22 and the Y axis 27 and which is motorized through to an electric motor 274. The frame 271 also supports a second roller 273 mounted idler and parallel to the roller 272. A carpet 275 formed of metal links is stretched around the rollers 272 and 273 and can be set in motion by the controlled rotation of the roller 272.

On note 22a le rouleau supporté par le cadre 20A et disposé au plus près du bord 20C, c'est-à-dire le rouleau 22 qui est le dernier sur le trajet de la feuille 2.We note 22 has the roller 20A supported by the frame and arranged closest to the edge 20C, that is to say, the roller 22 which is the last in the path of the sheet 2.

Concomitamment au déplacement du cadre 261, le cadre 271 est déplacé en direction du cadre 20A par les vérins 276, de telle sorte que le tapis 275 est fermement plaqué contre la feuille 2 en appui sur le rouleau 22a. L'écartement e' des rouleaux 272 et 273 est choisi pour que le rouleau 22a puisse être partiellement engagé entre les rouleaux 272 et 273, comme représenté à la figure 5. Dans cette configuration, le tapis 275 agit comme un frein à un éventuel mouvement de retrait de la feuille 2 dans le sens opposé aux flèches F1. Pour ce faire, le moteur 274 peut être bloqué. Ce moteur est équipé d'un réducteur augmentant ainsi la valeur du couple résistant, ce qui empêche le retour de la feuille 2.Concurrently with the displacement of the frame 261, the frame 271 is moved towards the frame 20A by the cylinders 276, so that the belt 275 is tightly pressed against the sheet 2 supported on the roller 22 a. The distance e 'of the rollers 272 and 273 is chosen so that the roller 22 has to be partially engaged between the rollers 272 and 273, as shown in Figure 5. In this configuration, the mat 275 acts as a brake to a possible removal of the sheet 2 in the opposite direction to the arrows F 1 . To do this, the motor 274 can be blocked. This motor is equipped with a reducer thus increasing the value of the resistant torque, which prevents the return of the sheet 2.

Lorsque la feuille 2 a été découpée par la lame 263, le chariot 20 est déplacé de telle sorte que son bord 20C se retrouve sensiblement au-dessus de la bobine 14' qui a été, mise en place dans l'emplacement 15' en parallèle à l'enroulement de la feuille 2 sur la bobine 14. A partir de cette configuration, le moteur 274 est activé de telle sorte que le rouleau 272 est entraîné dans le sens de la flèche F5 à la figure 5 ce qui a pour effet, compte tenu de la pression exercée par les vérin 276 et de l'appui ferme du tapis 275 sur la feuille 2, d'entraîner la feuille 2 dans le sens des flèches F1, de telle sorte que son bord libre qui se situait précédemment au niveau de la plaque 255 progresse en direction de mandrin 14'a de la bobine 14' autour duquel la feuille 2 commence alors à être enroulée. La bobine 14' est alors mise en rotation et les vérins 276 sont activés pour écarter le tapis 275 de la feuille 2.When the sheet 2 has been cut by the blade 263, the carriage 20 is moved so that its edge 20C is found substantially above the coil 14 'which has been placed in the location 15' in parallel at the winding of the sheet 2 on the reel 14. From this configuration, the motor 274 is activated so that the roller 272 is driven in the direction of the arrow F 5 in Figure 5 which has the effect , taking into account the pressure exerted by the cylinders 276 and the firm support of the belt 275 on the sheet 2, to drive the sheet 2 in the direction of the arrows F 1 , so that its free edge which was previously at the plate 255 progresses in the direction of mandrel 14 ' a of the coil 14' around which the sheet 2 then begins to be wound. The spool 14 'is then rotated and the cylinders 276 are activated to move the carpet 275 away from the sheet 2.

On est alors dans la position de la figure 2 où le remplissage de la bobine 14' peut avoir lieu, alors que la bobine 14 peut être évacuée dans le sens de la flèche F3 à la figure 3.It is then in the position of Figure 2 where the filling of the coil 14 'can take place, while the coil 14 can be discharged in the direction of arrow F 3 in Figure 3.

Pendant le remplissage de la bobine 14', la bobine 14 est évacuée et une nouvelle bobine est mise en place. Lorsque la bobine 14' est pleine, on procède comme indiqué ci-dessus pour la bobine 14 et on ramène le chariot 20 au-dessus de l'emplacement 15.During the filling of the spool 14 ', the spool 14 is evacuated and a new spool is put in place. When the reel 14 'is full, the procedure is as indicated above for the reel 14 and the carriage 20 is brought back above the location 15.

Ainsi, un fonctionnement en continu de l'installation est envisageable.Thus, a continuous operation of the installation is possible.

Pour la clarté du dessin, les dispositifs 25 à 29 ont été omis des figures 1 à 3 et 8, à l'exception des rouleaux 252 et 253.For the sake of clarity, the devices 25 to 29 have been omitted from FIGS. 1 to 3 and 8, with the exception of the rollers 252 and 253.

Le système d'entraînement 28 des bobines. 14 et 14' est représenté uniquement à la figure 6 pour la clarté du dessin. Il comprend un moteur électrique équipé d'un réducteur 281 dont l'arbre de sortie est accouplé à un plateau 282 pourvu de deux doigts 283 destinés à être introduits dans des ouvertures 141 prévues entre des barreaux 142 au centre de chaque flasque 143 des bobines 14 ou 14'. Lorsque les doigts 283 ont été introduits dans les ouvertures 141 et lorsque le moteur 281 est activé, les doigts viennent au contact de deux barreaux 142 sur lesquels ils peuvent exercer un couple d'entraînement en rotation de la bobine 14 ou 14' considérée.The drive system 28 of the coils. 14 and 14 'is shown only in Figure 6 for clarity of the drawing. It comprises an electric motor equipped with a gearbox 281 whose output shaft is coupled to a plate 282 provided with two fingers 283 intended to be introduced into openings 141 provided between bars 142 in the center of each flange 143 of the coils 14 or 14 '. When the fingers 283 have been introduced into the openings 141 and when the motor 281 is activated, the fingers come into contact with two bars 142 on which they can exert a driving torque in rotation of the coil 14 or 14 'considered.

Le système 28 est mobile selon les directions Y1-Y'1, Y2-Y'2 et X-X', de telle sorte qu'il peut être alternativement amené en prise avec l'une ou l'autre des bobines 14 ou 14'.The system 28 is movable along the directions Y 1 -Y ' 1 , Y 2- Y' 2 and X-X ', so that it can be alternately brought into engagement with one or the other of the coils 14 or 14 '.

Chaque bobine 14 ou 14' est supportée par un châssis 16 ou 16' formé de cornières soudées ou assemblées par boulonnage. Les traverses inférieures 161 des châssis 16 sont à section en U, avec des voiles d'épaisseur importante leur conférant une bonne stabilité dimensionnelle, y compris lorsqu'ils sont manipulés de façon relativement brutale avec des chariots élévateurs. Chaque châssis 16 ou 16' définit quatre sabots 162 en arc de cylindre disposés au droit des flasques 143 des bobines 14 et équivalentes. Par défaut, chaque bobine 14 repose, par chaque flasque 143, sur deux sabots 162, de telle sorte que, compte tenu de son poids et des forces de frottement entre les bords 144 des flasques 143 et les sabots 162, la bobine 14 est immobilisée en rotation autour de son axe central Y14. Ceci correspond à la position représentée à la figure 7 qui est celle de la bobine 14 lorsque elle doit être stockée ou transportée.Each coil 14 or 14 'is supported by a frame 16 or 16' formed of angles welded or assembled by bolting. The lower cross members 161 of the frames 16 are U-sectioned, with sails of large thickness giving them good dimensional stability, even when they are handled relatively abruptly with forklifts. Each frame 16 or 16 'defines four shoes 162 in a cylinder arc arranged in line with the flanges 143 of the coils 14 and the like. By default, each coil 14 rests, by each flange 143, on two shoes 162, so that, given its weight and the friction forces between the edges 144 of the flanges 143 and the shoes 162, the coil 14 is immobilized in rotation about its central axis Y 14 . This corresponds to the position shown in Figure 7 which is that of the coil 14 when it is to be stored or transported.

Lorsqu'il convient de faire tourner la bobine 14 autour de son axe Y14, en particulier pour le conditionnement de la feuille 2 ou pour le dévidage de celle-ci en vue de son utilisation, le châssis 16 est installé, comme représenté par les flèches F6, sur un châssis auxiliaire 17 constitué de traverses 171 s'étendant selon des directions globalement horizontales et à partir desquelles font saillie vers le haut des supports 172 sur lesquels sont montés fous des galets 173 qui sont au nombre de quatre et qui sont disposés pour que, lorsque le châssis 16 est posé sur le châssis 17, les bords 144 des flasques 143 reposent sur les galets 173 en étant décollés des sabots 162. Pour ce faire, la hauteur h 1 des centres des galets 173 par rapport à la face supérieure des traverses 171 est supérieure à la hauteur h 2 de la partie inférieure du bord 144 du flasque 143 par rapport à la surface inférieure des traverses 161.When it is necessary to rotate the coil 14 about its axis Y 14 , in particular for the conditioning of the sheet 2 or for the unwinding thereof for its use, the frame 16 is installed, as represented by the arrows F 6 , on an auxiliary frame 17 consisting of crosspieces 171 extending in generally horizontal directions and from which upwardly protruding supports 172 on which are mounted idle rollers 173 which are four in number and which are arranged so that, when the frame 16 is placed on the frame 17, the edges 144 of the flanges 143 rest on the rollers 173 by being detached from the shoes 162. To do this, the height h 1 of the centers of the rollers 173 relative to the upper face of the cross members 171 is greater than the height h 2 of the lower portion of the edge 144 of the flange 143 relative to the lower surface of the cross members 161.

Chaque châssis auxiliaire 17 est équipé de roues 174 lui permettant de coulisser, perpendiculairement à la direction F1 d'avance de la feuille 2, sur des rails 7 s'étendant dans le sol de l'installation selon les directions Y1-Y'1 et Y2-Y'2' comme représenté à la figure 3.Each auxiliary frame 17 is equipped with wheels 174 allowing it to slide, perpendicularly to the direction F 1 of advance of the sheet 2, on rails 7 extending into the floor of the installation along the directions Y 1 -Y ' 1 and Y 2 -Y '2' as shown in FIG. 3.

Le fonctionnement est le suivant : lorsqu'il convient de disposer une bobine vide 14' dans l'emplacement 15', le châssis auxiliaire 17' dédié à cet emplacement est amené dans une position décalée par rapport à la zone d'avance de la feuille 2, cette position étant représentée à la figure 3. Dans cette position, une bobine 14' installée dans un châssis 16' est posée sur le châssis 17', ce qui permet de libérer la possibilité de rotation de cette bobine autour de son axe central alors que la bobine 14' reste prisonnière du châssis 16'. Ensuite, le chariot 17' est translaté en direction de l'emplacement 15', comme représenté par la flèche F2.The operation is as follows: when it is appropriate to have an empty coil 14 'in the location 15', the auxiliary frame 17 'dedicated to this location is moved to a position offset from the feed zone of the sheet 2, this position being shown in Figure 3. In this position, a coil 14 'installed in a frame 16' is placed on the frame 17 ', which allows to release the possibility of rotation of this coil around its central axis while the coil 14 'remains trapped in the frame 16'. Then, the carriage 17 'is translated towards the location 15', as represented by the arrow F 2 .

Lorsqu'il convient de retirer une bobine pleine de l'installation, telle que la bobine 14, le chariot 17 dédié à l'emplacement 15, le châssis 16 et la bobine 14 sont amenés à la position représentée en traits mixtes à la figure 3 et le simple fait de soulever le châssis 16 par rapport au châssis 17 permet d'immobiliser en rotation la bobine 14 à l'intérieur du châssis 16 considéré.When it is necessary to remove a full coil of the installation, such as the coil 14, the dedicated carriage 17 at the location 15, the frame 16 and the spool 14 are brought to the position shown in phantom in FIG. 3 and the simple fact of lifting the frame 16 with respect to the frame 17 makes it possible to immobilize in rotation the spool 14 to inside the frame 16 considered.

Un système d'indexage de la position des châssis 17 et 17' le long des rails 7 peut être prévu au moyen d'un doigt 175 chargé élastiquement en direction du sol et apte à s'engager dans des trous 8 prévus dans le sol au niveau de la position des châssis 17 et 17' dans chacun des emplacements 15 et 15' et dans chacune des positions de chargement/déchargement des châssis principaux sur les châssis auxiliaires.An indexing system of the position of the frames 17 and 17 'along the rails 7 can be provided by means of a finger 175 loaded elastically in the direction of the ground and able to engage in the holes 8 provided in the ground. level of the position of the frames 17 and 17 'in each of the locations 15 and 15' and in each of the loading / unloading positions of the main frames on the auxiliary frames.

L'invention a été représentée avec deux bobines 14 et 14' disposées dans deux emplacements 15 et 15' . Elle est cependant applicable avec trois ou plus de trois emplacements, le nombre de bobines utilisées étant adapté en conséquence sans perturber le fonctionnement de la ligne de production, notamment de la machine 1.The invention has been represented with two coils 14 and 14 'disposed in two locations 15 and 15'. However, it is applicable with three or more locations, the number of coils used being adapted accordingly without disturbing the operation of the production line, in particular of the machine 1.

L'invention a été décrite lors de sa mise en oeuvre avec une feuille de SMC. Elle est, cependant, applicable avec d'autres matériaux de moulage en feuille, tels que des mats ou des tissus de fibres.The invention has been described when it is implemented with a sheet of SMC. It is, however, applicable with other sheet molding materials, such as mats or fiber fabrics.

Claims (10)

  1. An installation for conditioning a sheet of moulding material on bobbins at the output of a machine for producing sheet moulding material, comprising:
    - at least two locations (15, 15') for positioning bobbins (14, 14') onto which the said sheet (2) is to be wound, the said locations succeeding one another in a substantially horizontal direction (X-X'),
    - a carriage (20) formed by a main frame (20A) and a secondary frame (20B), provided with rollers (22) for guiding the said sheet and movable in a translational motion (F4), in the said direction, between a first position (Figure 1) which is located substantially above a first location (15) and a second position (Figure 2) which is located substantially above the second location (15'), and vice versa, characterised in that the said main frame (20A) and the said secondary frame (20B) are able to slide with respect to one another parallel to the said horizontal direction (X-X').
  2. An installation according to Claim 1, characterised in that the said carriage (20) is equipped with a device (27) for driving the said sheet (2), the said device being movable, in a manner concomitant with the operation of means (25) for cutting off the said sheet, between a position (Figure 5) in engagement with the said sheet and a position (Figure 4) in which it is disengaged from the said sheet.
  3. An installation according to Claim 2, characterised in that the said device comprises a frame (271) which supports a motor-driven roller (272) and a following roller (273), the said rollers each being centred on an axis which is substantially perpendicular to the direction (F1, X-X') in which the sheet (2) advances and being circled by a drive belt (275), while the said frame is articulated to the carriage about an axis (Y27) which is substantially perpendicular to the said direction, between a first position (Figure 5) in which the said belt is in contact with the said sheet and a second position (Figure 4) in which the said belt is moved away from the said sheet, and vice versa.
  4. An installation according to at least one of the preceding claims, characterised in that the said carriage (20) is equipped with a cutting device (26) mounted on a frame (261) which is articulated to the carriage about an axis (Y26) which is substantially perpendicular to the direction (F1, X-X') in which the said sheet (2) advances.
  5. An installation according to at least one of the preceding claims, characterised in that the said carriage (20) is equipped with a terminal guidance device (25) which extends, in the configuration in which the said carriage is used, from the said carriage in the direction of a bobbin (14, 14') as it is being filled, the said guidance device being articulated to the carriage about an axis (Y25) which is substantially perpendicular to the direction (F1, X-X') in which the said sheet (2) advances.
  6. An installation according to at least one.of the preceding claims, characterised in that the said main frame (20A) and the said secondary frame (20B) are equipped with rollers (22) which allow the said sheet (2) to be supported during its advance movement (F1).
  7. An installation according to at least one of the preceding claims, characterised in that the said carriage (20) is capable of being displaced into a standby position (Figure 8) in which it does not interfere with the path of advance (F1) of the said sheet (2).
  8. An installation according to at least one of the preceding claims, characterised in that each bobbin (14; 14') is mounted in a main support (16, 16') in which it is capable of resting, by means of the peripheral edges (144) of its end plates (143), on stopping blocks (162), while the said main support can be placed (F6) on an auxiliary support (17, 17') provided with rollers (173) able to lift the said edges in relation to the said blocks when the said main support is placed on the said auxiliary support.
  9. An installation according to Claim 8, characterised in that each auxiliary support (17, 17') is equipped with wheels (174) which allow it to slide in a direction (Y1-Y'1, Y2-Y'2) which is substantially perpendicular to the direction (F1, X-X') in which the said sheet advances.
  10. A method of conditioning a sheet of moulding material on bobbins at the output of a machine for producing sheet moulding material, characterised in that it consists in using two types of bobbin (4, 4', 14, 14') of different diameters at the output of the said machine (1), depending on the quantity of material to be wound on, in that
    - when bobbins (4, 4') of relatively small diameter are used
    - they are supported by a rocker (5) arranged opposite the output zone of the said machine,
    and in that
    - when bobbins (14, 14') of relatively large diameter are used
    - a bobbin capable of being rotated (R) is installed (F2), in at least one of two locations (15, 15') for positioning bobbins (14, 14') downstream of the said rocker in a direction (X-X') in which the said sheet advances;
    - a movable carriage (20), which is provided with guidance rollers (22) on or against which the said sheet (2) has previously been arranged, is arranged substantially above the said bobbin,
    - the said sheet is driven (F5) from the said carriage in order to displace the front edge of the said sheet until it comes into contact with the mandrel (14a, 14'a) of the said bobbin;
    - the said bobbin is rotated (R) until the desired quantity of material is wound on;
    - the said sheet is cut in the vicinity of the said carriage; and
    - the said carriage is displaced (F4) until it is above the second location in which a second bobbin has previously been installed.
EP01965383A 2000-09-06 2001-09-05 Installation and method for conditioning a sheet of moulding material Expired - Lifetime EP1315663B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0011360 2000-09-06
FR0011360A FR2813596B1 (en) 2000-09-06 2000-09-06 INSTALLATION AND METHOD FOR CONDITIONING A SHEET OF MOLDING MATERIAL
PCT/FR2001/002755 WO2002020385A2 (en) 2000-09-06 2001-09-05 Installation and method for conditioning a sheet of moulding material

Publications (2)

Publication Number Publication Date
EP1315663A2 EP1315663A2 (en) 2003-06-04
EP1315663B1 true EP1315663B1 (en) 2006-05-17

Family

ID=8854024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01965383A Expired - Lifetime EP1315663B1 (en) 2000-09-06 2001-09-05 Installation and method for conditioning a sheet of moulding material

Country Status (10)

Country Link
US (1) US6896218B2 (en)
EP (1) EP1315663B1 (en)
AT (1) ATE326416T1 (en)
BR (1) BR0113604A (en)
DE (1) DE60119745T2 (en)
ES (1) ES2261462T3 (en)
FR (1) FR2813596B1 (en)
MX (1) MXPA03001998A (en)
PT (1) PT1315663E (en)
WO (1) WO2002020385A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103787109B (en) * 2014-02-27 2016-06-22 浙江恒立数控科技股份有限公司 Coiled strip sheet material feeding device
CN104843523A (en) * 2015-03-30 2015-08-19 西安航天华阳机电装备有限公司 Double-work-position length-fixed feeding device
NL2018889B1 (en) 2017-05-10 2018-11-15 Vmi Holland Bv Wind-up system and method for winding-up a strip

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5110580B2 (en) * 1971-10-11 1976-04-05
JPS6055416B2 (en) * 1979-10-26 1985-12-05 富士写真フイルム株式会社 web winding device
DE3016911C2 (en) * 1980-05-02 1986-06-19 Christian Maier GmbH & Co Maschinenfabrik, 7920 Heidenheim Device for winding webs of material into rolls
KR880012465A (en) * 1987-04-09 1988-11-26 다이효샤아 가다오가 히로시 Web splitting and winding device and authority roll out method
DE4009041C2 (en) * 1990-03-21 1999-08-26 Maier Christian Masch Device for winding webs of goods
JP3512416B2 (en) * 1993-09-23 2004-03-29 エムエスカー−フェアパックングス−ジュステーメ ゲゼルシャフト ミット ベシュレンクテル ハフツング Method and apparatus for removing film hoods over cargo
DE29605339U1 (en) * 1996-03-22 1996-06-05 Dornier Gmbh Lindauer Loom with winder transport trolley

Also Published As

Publication number Publication date
DE60119745T2 (en) 2007-05-03
US6896218B2 (en) 2005-05-24
EP1315663A2 (en) 2003-06-04
PT1315663E (en) 2006-09-29
ES2261462T3 (en) 2006-11-16
ATE326416T1 (en) 2006-06-15
WO2002020385A2 (en) 2002-03-14
BR0113604A (en) 2003-07-15
FR2813596B1 (en) 2003-05-16
US20030173449A1 (en) 2003-09-18
FR2813596A1 (en) 2002-03-08
WO2002020385A3 (en) 2002-06-27
DE60119745D1 (en) 2006-06-22
MXPA03001998A (en) 2003-06-24

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