EP3380260B1 - Appareil de traitement de corps métalliques - Google Patents

Appareil de traitement de corps métalliques Download PDF

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Publication number
EP3380260B1
EP3380260B1 EP16826159.2A EP16826159A EP3380260B1 EP 3380260 B1 EP3380260 B1 EP 3380260B1 EP 16826159 A EP16826159 A EP 16826159A EP 3380260 B1 EP3380260 B1 EP 3380260B1
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EP
European Patent Office
Prior art keywords
actuation shaft
actuation
carousel
front table
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16826159.2A
Other languages
German (de)
English (en)
Other versions
EP3380260A1 (fr
EP3380260C0 (fr
Inventor
Carlo Pisoni
Carlo LARGHI
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.)
SPL Soluzioni Srl
Original Assignee
SPL Soluzioni Srl
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Publication date
Application filed by SPL Soluzioni Srl filed Critical SPL Soluzioni Srl
Publication of EP3380260A1 publication Critical patent/EP3380260A1/fr
Application granted granted Critical
Publication of EP3380260B1 publication Critical patent/EP3380260B1/fr
Publication of EP3380260C0 publication Critical patent/EP3380260C0/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2615—Edge treatment of cans or tins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2692—Manipulating, e.g. feeding and positioning devices; Control systems

Definitions

  • the present invention relates to an apparatus for processing metallic bodies such as, for example, cylindrical metallic containers for spray or aerosol canisters.
  • Apparatuses are known for processing containers, which are typically made of aluminum or steel and are constituted by preformed bodies with a cylindrical cross-section which are obtained by way of extrusion or drawing and which have, at one longitudinal end, a rear wall and, at the other end, a free edge on which to carry out a coning operation in order to obtain, generally, a mouth on which is then provided, for example, a threading adapted to be associated with a cap for closing the container or an edging.
  • Such apparatuses are constituted by a supporting framework for a carousel that can rotate intermittently about a main rotation axis and defines, at its peripheral region, a plurality of supporting seats for the respective metallic bodies to be processed, which are fed to the carousel by way of a feeder device.
  • WO2015110470 discloses such an apparatus.
  • the apparatus comprises, furthermore, a front table, arranged parallel to and facing toward the carousel, which can move with an alternating translational motion along a direction that is substantially parallel to the main rotation axis of the carousel.
  • the front table supports a plurality of processing stations, which are designed to engage sequentially with the metallic bodies supported by the carousel.
  • the apparatus is provided with a motor that is connected, by way of kinematic connection means which comprise, among other things, a rod-and-crank assembly, both to an elongated element, which supports the front table for moving such front table in an alternating motion, and to the carousel in order to enable the intermittent rotation thereof about the main rotation axis.
  • kinematic connection means comprise, among other things, a rod-and-crank assembly, both to an elongated element, which supports the front table for moving such front table in an alternating motion, and to the carousel in order to enable the intermittent rotation thereof about the main rotation axis.
  • a flywheel Arranged between the motor and the actuation shaft of the eccentric link rod is a flywheel, connected to the output shaft of the motor by way of a belt, while the flywheel is connected by way of gearwheels to the shaft of the eccentric link rod.
  • the brake is constituted by a clutch-brake unit acting on the flywheel which "breaks" the connection between flywheel and motor.
  • the aim of the present invention is to solve the above mentioned problems and overcome the drawbacks, by providing an apparatus for processing metallic bodies by plastic deformation which is extremely reliable in use.
  • an object of the invention is to make available an apparatus that is extremely flexible and in which it is not necessary to intervene on the mechanical parts (in particular on the rod-and-crank assembly) when the speed of use varies.
  • Another object of the present invention is to provide an apparatus for processing metallic bodies by plastic deformation which has a competitive production cost so as to make its use advantageous from an economic viewpoint as well.
  • the present invention relates to an apparatus, generally indicated with the reference numeral 1, for processing metallic bodies by plastic deformation.
  • the apparatus 1 comprises a supporting framework 2 for a carousel 3 that can rotate intermittently about a main rotation axis 100.
  • the carousel 3 defines a plurality of supporting seats for respective metallic bodies to be processed, which are fed to the carousel 3 by way of a feeder device.
  • the processed pieces are unloaded by the carousel 3 by way of an unloading device.
  • the supporting seats are arranged substantially at the peripheral region of the carousel 3 and are mutually angularly spaced apart in a regular manner about the main rotation axis 100.
  • the apparatus 1 comprises, furthermore, a front table 5, which can move with an alternating translational motion along a direction that is substantially parallel to the main rotation axis 100 of the carousel 3, as shown by the arrow 101.
  • the front table 5 supports a plurality of processing stations 5a, which are designed to engage sequentially with the metallic bodies supported by the carousel 3.
  • the front table 5 is moved with an alternating translational motion and the carousel 3 is moved intermittently about the main rotation axis 100.
  • a single motor can be provided for moving the front table 5 and the carousel 3, or two motors can be provided, one motor for moving the front table 5 and one for moving the carousel 3.
  • a control unit for managing the two different motors which is adapted to synchronize the alternating back and forth motion of the front table 5 and the intermittent rotation about the main rotation axis 100 of the carousel 3.
  • the front table 5, and the carousel 3 lie on a respective plane of arrangement that is substantially vertical.
  • the main rotation axis 100 of the carousel 5 as a consequence extends along a direction that is substantially horizontal.
  • the front table 5 is supported by a longitudinal element 6 that extends substantially parallel to the main rotation axis 100.
  • the apparatus 1 has an actuation motor 10 for moving the front table 5 and connecting means 20 between an actuation shaft 11, supported so that it can rotate by the supporting framework 2, and the front table 5.
  • the connecting means 20 are adapted to convert the rotation of the actuation shaft 11 into alternating translational motion of the front table 5.
  • the actuation motor 11 is constantly engaged with the actuation shaft 10.
  • the actuation motor 10 can be in a direct drive arrangement with the actuation shaft 11, as shown in the figures, but also that between the actuation motor 10 and the actuation shaft 11 there can be a kinematic transmission (pinion-gearwheel or the like) that constantly kinematically connects the two movements so that between the speed of the actuation motor 10 and the speed of the actuation shaft 11 there is always the same transmission ratio, even in transients.
  • a kinematic transmission pinion-gearwheel or the like
  • the actuation shaft 11 extends along a direction of extension 102, transverse with respect to the main rotation axis 100 of the carousel 3.
  • the direction of extension 102 is substantially parallel to the rotation axis of the actuation shaft 11.
  • the apparatus 1 has braking means 30 that act directly on the actuation shaft 11.
  • such braking means 30 can comprise a base body 31 that rotates integrally with the actuation shaft 11 and a braking body 32 supported by the supporting framework 2.
  • the base body has a plurality of discs 31a which are arranged so as to face each other along the direction of extension 102 of the actuation shaft 11.
  • the braking body 32 in turn supports a plurality of braking bodies that act on command on respective discs 31a.
  • Such embodiment makes it possible to ensure, with relatively reduced encumbrances, a high braking torque.
  • braking means 30 of different type, for example constituted substantially by a disk keyed to the actuation shaft 11 and by a clamp-like device supported by the supporting framework 2.
  • the actuation motor 10 is connected to a first longitudinal end of the actuation shaft 11.
  • the actuation motor 10 is directly engaged with the actuation shaft 11, it is possible for such actuation motor 10 to comprise a stator which is supported by the supporting framework 2 and a rotor which is connected directly, for example by way of flanging, to the actuation shaft 11.
  • the braking means 30 are arranged at the second longitudinal end of the actuation shaft 11, opposite the end to which the actuation motor 10 is connected.
  • the connecting means 20 between the actuation shaft 11 and the front table 5 comprise a rod-and-crank assembly.
  • the rod-and-crank assembly comprises the actuation shaft 11, which substantially performs the linkage function, and a crank 21 associated with the actuation shaft 11.
  • the crank can rotate with respect to the actuation shaft 11 about a connecting portion 11a that is arranged eccentrically with respect to the rotation axis 102 of the actuation shaft 11
  • the crank 21 is furthermore connected, at its end opposite the end connected with the actuation shaft 11, to the longitudinal element 6 for supporting the front table 5.
  • the actuation shaft 11 rotates integrally with at least one counterweight 12.
  • Such counterweight 12 has preferably a hatchet configuration.
  • the counterweight 12 is associated with the actuation shaft 11 at a portion arranged opposite, with respect to the rotation axis 102, from the connecting portion 11a.
  • the apparatus 1 has at least one countershaft 13.
  • the (or each) countershaft 13 is supported so that it can rotate by the supporting framework 2 and rotates, about a respective axis 103 that is substantially parallel to the rotation axis of the actuation shaft 11, in the opposite direction with respect to the actuation shaft 11.
  • the apparatus 1 has two countershafts 13, which are arranged in a diametrically opposite position with respect to the actuation shaft 11.
  • the movement of the countershafts 13 can be ensured by motors that are dedicated thereto.
  • first gearwheel 14 that rotates integrally with the actuation shaft 11 and meshes with a second gearwheel 15 that rotates integrally with a respective countershaft 13.
  • slip tripping devices can be provided in order to prevent excessive stresses on the belt.
  • actuation motor 11 is associated with a control device (not shown in the figures).
  • control device is adapted to bring, in the event of machine shutdown, the actuation shaft 11 to an angular position such that the counterweight or counterweights 12 are at greatest height so that such counterweight or such counterweights 12 can, when the apparatus 1 is restarted, facilitate the action of the actuation motor 11 on the actuation shaft 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Powder Metallurgy (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Forging (AREA)

Claims (9)

  1. Appareil (1) de traitement de corps métalliques par déformation plastique, qui comprend un cadre de support (2) pour un carrousel (3) qui peut tourner par intermittence autour d'un axe de rotation principal (100) et définit une pluralité de sièges de support (3a) pour des corps métalliques respectifs à traiter amenés audit carrousel (3) au moyen d'un dispositif d'amenée, une table avant (5) étant prévue et pouvant se déplacer avec un mouvement de translation alternatif dans une direction qui est sensiblement parallèle audit axe de rotation principal (100) dudit carrousel (3), ladite table avant (5) supportant une pluralité de postes de traitement (5a) qui sont conçus pour se mettre en prise séquentiellement avec les corps métalliques supportés par ledit carrousel (3), un moteur d'actionnement (10) étant prévu pour déplacer ladite table avant (5) et des moyens de connexion (20) étant prévus entre un arbre d'actionnement (11), supporté de manière à pouvoir tourner par ledit cadre de support (2), et ladite table avant (5), lesdits moyens de connexion (20) étant aptes à convertir la rotation dudit arbre d'actionnement (11) en mouvement de translation alternatif de ladite table avant (5), dans lequel ledit moteur d'actionnement (10) est constamment mis en prise avec ledit arbre d'actionnement (11), caractérisé en ce que ledit arbre d'actionnement (11) tourne solidairement avec au moins un contrepoids (12).
  2. Appareil (1) selon la revendication 1, caractérisé en ce qu'il comprend des moyens de freinage (30) agissant directement sur ledit arbre d'actionnement (11).
  3. Appareil (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce que ledit moteur d'actionnement (10) est directement mis en prise avec ledit arbre d'actionnement (11).
  4. Appareil (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce que lesdits moyens de connexion (20) comprennent un ensemble bielle-manivelle.
  5. Appareil (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce que ledit ensemble bielle-manivelle comprend ledit arbre d'actionnement (11) qui définit une bielle et une manivelle (21) associées audit arbre d'actionnement (11).
  6. Appareil (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il comprend au moins un arbre intermédiaire (13), qui est supporté de manière à pouvoir tourner par ledit cadre de support (2) et tourne dans le sens opposé par rapport audit arbre d'actionnement (11).
  7. Appareil (1) selon la revendication 6, caractérisé en ce qu'il comprend au moins deux arbres intermédiaires (13) agencés à une position diamétralement opposée par rapport audit arbre d'actionnement (11).
  8. Appareil (1) selon la revendication 6, caractérisé en ce que ledit au moins un arbre intermédiaire (13) peut être connecté cinématiquement audit arbre d'actionnement (11) .
  9. Appareil (1) selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il comprend un deuxième moteur d'actionnement (40) dudit carrousel, une unité de commande étant prévue pour gérer ledit premier moteur d'actionnement (10) et ledit deuxième moteur d'actionnement (40) et étant apte à synchroniser le mouvement en va-et-vient alternatif de ladite table avant (5) et la rotation intermittente autour dudit axe de rotation principal (100) dudit carrousel (3).
EP16826159.2A 2015-11-23 2016-11-22 Appareil de traitement de corps métalliques Active EP3380260B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUB2015A005832A ITUB20155832A1 (it) 2015-11-23 2015-11-23 Apparecchiatura per la lavorazione di corpi metallici.
PCT/IB2016/057041 WO2017089959A1 (fr) 2015-11-23 2016-11-22 Appareil de traitement de corps métalliques

Publications (3)

Publication Number Publication Date
EP3380260A1 EP3380260A1 (fr) 2018-10-03
EP3380260B1 true EP3380260B1 (fr) 2023-11-15
EP3380260C0 EP3380260C0 (fr) 2023-11-15

Family

ID=55538381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16826159.2A Active EP3380260B1 (fr) 2015-11-23 2016-11-22 Appareil de traitement de corps métalliques

Country Status (3)

Country Link
EP (1) EP3380260B1 (fr)
IT (1) ITUB20155832A1 (fr)
WO (1) WO2017089959A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101058778B1 (ko) * 2009-10-20 2011-08-24 주식회사 파세코 넥킹캔 제조장치
EP2363216B1 (fr) * 2010-03-05 2012-10-24 HINTERKOPF GmbH Dispositif de formage
DE102010061248B4 (de) * 2010-12-15 2013-05-23 Schuler Pressen Gmbh Vorrichtung und Verfahren zum Umformen von hohlzylindrischen Körpern
DE102013106784B4 (de) * 2013-06-28 2018-07-19 Schuler Pressen Gmbh Vorrichtung und Verfahren zum Umformen von hohlzylindrischen Körpern
WO2015110470A1 (fr) * 2014-01-22 2015-07-30 Spl Soluzioni S.R.L. Appareil d'usinage de corps métalliques

Also Published As

Publication number Publication date
EP3380260A1 (fr) 2018-10-03
WO2017089959A1 (fr) 2017-06-01
ITUB20155832A1 (it) 2017-05-23
EP3380260C0 (fr) 2023-11-15

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