WO2004024402A1 - Unite de manipulation pour machines de decoupe - Google Patents

Unite de manipulation pour machines de decoupe Download PDF

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Publication number
WO2004024402A1
WO2004024402A1 PCT/IT2003/000539 IT0300539W WO2004024402A1 WO 2004024402 A1 WO2004024402 A1 WO 2004024402A1 IT 0300539 W IT0300539 W IT 0300539W WO 2004024402 A1 WO2004024402 A1 WO 2004024402A1
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
handling unit
piston
unit according
relative
Prior art date
Application number
PCT/IT2003/000539
Other languages
English (en)
Inventor
Giuliano Baglioni
Original Assignee
Automazioni Industriali S.R.L.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Automazioni Industriali S.R.L. filed Critical Automazioni Industriali S.R.L.
Priority to EP03795196A priority Critical patent/EP1549467A1/fr
Priority to AU2003266497A priority patent/AU2003266497A1/en
Publication of WO2004024402A1 publication Critical patent/WO2004024402A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
    • B65G47/917—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers control arrangements

Definitions

  • the present invention relates to the field of cutting machine tools, such as of the laser type, punching machines, waterj et, plasma, etc. , intended for obtaining pieces of any shape from an initial flat plate, such as made of sheet steel, silicone, rubber, Plexiglas, etc.
  • obj ect of the present finding is a handling unit adapted for collecting the pieces cut from the plate to lay them into the respective chests .
  • Prior art Automatic systems for picking up pieces obtained from an initial plate starting from a collection chest already exist. Such systems comprise a handling member essentially consisting of one or more suction cups attached to the arm of a robot and to a pneumatic pump to create vacuum in said suction cups.
  • suction cups depend on the shape and size of the pieces to be handled, so as the production changes it is necessary to replace the handling member. Moreover with the current systems only one piece a time can be picked up and unloaded because suction cups cannot be actuated individually, unless each suction cup is associated to a vacuum circuit, which is unfeasible due to obvious reasons relating to cost and overall dimensions.
  • Obj ect of the present finding is that of proposing a handling unit for cutting machines which should be capable of handling the pieces obtained from an initial flat plate one by one or at the same time, regardless of their shape and size.
  • Another obj ect of the finding is that of providing a handling unit provided with a plurality of suction cups, each selectable separately to pick up from an initial plate all and only the desired pieces .
  • Another obj ect of the invention is that of proposing a handling unit provided with means adapted for facilitating the release of one or more picked up pieces into the collecting chests.
  • Yet another obj ect of the finding is that of providing a handling unit automatically configurable based on the shape and size of the pieces to be picked up by a software program that reads the technical drawing used by the cutting machine to carry out the machining.
  • a handling unit for cutting machines adapted for pickimg up at least one piece cut from an initial flat plate to lay it into a relative collecting container, comprising a body delimiting a chamber connected to a pneumatic device adapted for creating vacuum into said chamber, a plurality of ducts obtained in the base of said body for placing said chamber in communication with the outside so as to define a plurality of section points when the chamber is vacuum, and for each of said ducts, an actuating means controllable separately to hermetically open or close the relative duct for a selection of the suction points according to the shape and size of the piece or pieces to be handled.
  • Fig. 1 shows a front view of the handling unit according to the finding, attached to the arm of a robot
  • Fig. 2 shows the unit in vertical section
  • Fig. 3 shows the unit in a top view
  • Fig. 4 shows a perspective view of the plate supporting the solenoid valves of the handling unit; and Fig. 5 shows a section view of an enlarged detail of the unit in a different embodiment.
  • the handling unit under discussion comprises a body 1 1 , for example shaped as a parallelepiped, wherein there is obtained a chamber 12, hereinafter called vacuum chamber, communicating with a pneumatic pump - not shown - intended for creating the vacuum into said chamber.
  • the vacuum chamber 12 communicates with the outside through a plurality of ducts 13 obtained in the base of body 1 1 , said ducts being aligned in lines and columns as a grid or matrix and defining a plurality of suction points when chamber 12 is vacuum.
  • the vacuum chamber 12 is closed by a plate 14 and by a relative mating counter-plate 15, plate 14 and counter-plate 15 defining together a plurality of cylindrical chambers 16 each open at the bottom towards the vacuum chamber 12 through a relative hole 16 ' and housing a simple effect piston 17.
  • each piston 17 is provided with a stem 17 ' that, passing into hole 16 ' , crosses the vacuum chamber 12 to insert into and protrude from a corresponding duct 13 of body 1 1 , each duct being coaxial to a respective chamber 16.
  • stem 17 ' that, passing into hole 16 ' , crosses the vacuum chamber 12 to insert into and protrude from a corresponding duct 13 of body 1 1 , each duct being coaxial to a respective chamber 16.
  • Each piston 17 can move inside the respective chamber 16 between an inactive retracted position determined by the pressure of a spring 26 housed into the chamber, wherein the respective stem 17 ' hermetically closes the corresponding duct 13 by a seal 18 provided around the end of the stem itself, and an active forward position, wherein said seal moves away from duct 13 placing the vacuum chamber 12 in communication with the outside through said duct.
  • each piston 17 The movement to a forward position of each piston 17 is controlled by a respective solenoid valve 19 which introduces air into the positive portion of the piston chamber overcoming the spring' s thrust.
  • the plurality of control solenoid valves of all pistons is atta-ched to a support plate 20 arranged on top of the plate and relative counter-plate housing the pistons, and wherein there are obtained the air flows 21 , 22 for the pneumatic supply of the solenoid valves and of the pistons, respectively.
  • passages 22' each flowing into the negative portion of each piston chamber when they are in retracted position, and that head to a special solenoid valve, not shown.
  • said negative chamber is placed in communication with the outside through a passage 23 obtained in stem 17 ' of each piston and flowing at its free end.
  • a flange 24 crossed by holes 24 ' coaxial to ducts 13 and intended to support a further plate 25 made of a spongy or anyway soft material, also crossed by holes 25 ' coaxial to holes 24 ' .
  • side columns 27 extend from the flange 24 supporting the sponge, whose top ends are attached to a flange 28 for connecting unit 10 to the wrist 33 of a robot intended to handle the unit itself from the plate on the cutting machine to the piece collecting cases.
  • the handling unit under discussion allow opening, by the single energisation of the solenoid valves, only the desired ducts 13 of the vacuum plate and therefore, among the suction points obtained in the spongy plate 25 , activating only those required, that is, placed at the piece or pieces to be collected.
  • the pieces are released. If a piece remains attached to the spongy plate after the de-energisation of the relative solenoid valves, they can be released by a compressed air flow into the negative chambers of the pistons that are in retracted position and passing through the stems.
  • stem 1 7' of each piston crossed by passage 23 communicating with the negative portion of chamber 1 6, protrudes from hole 1 6' obtained in the counter-plate 15 with a threaded neck on which a small cylinder 29 is coaxially screwed.
  • the latter is in direct communication with passage 23 of stem 17' and at the bottom ends with a head 30 carrying seal 1 8 and intended to open and close a relative duct 13 following the axial movements of piston 17 with which it is integral, similarly to what described above.
  • a piston 3 1 Inside the small cylinder 29 there is housed a piston 3 1 whose stem 31 ' crosses head 30 and protrudes from the bottom of body 1 1 .
  • Piston 3 1 is detachable from an inactive retracted position, wherein the respective stem 3 1 ' remains inside flange 24 spongy plate 25, and an active forward position wherein it protrudes beyond them to push the piece to be unloaded.
  • Piston 3 1 is normally kept in an inactive retracted position by a helical spring 32 housed into the chamber of small cylinder 29 and is pushed in active forward position by the compressed air let into the small cylinder 29 through passage 23 in stem 17' to which it is screwed. Also in this case, therefore, the control of piston 3 1 is only possible when piston 17 is in inactive retracted position, that is, when the respective control solenoid valve is de-energised.
  • the handling unit proposed herein does not depend on the shape and size of cut pieces nor on the presence of any apertures inside them since these geometrical characteristics only depend on an appropriate selection of the solenoid valves to be energised.
  • the matrix arrangement of the suction points, and therefore of the solenoid valves, moreover, is especially advantageous since it allows superimposing said matrix to the technical drawing of the plate from which the pieces to be handled are obtained.
  • the solenoid valves to be selected are immediately detectable both by an operator and even automatically by a special software program that reads the working program of the machine tool to enable only the solenoid valves corresponding to the shape or size of the desired pieces.
  • the matrix of the suction points can for example consist of sixteen columns by sixteen lines, that is, by 256 elements, so as to be compatible with the programs used by the electronic computers.
  • Another peculiar and advantageous feature of the handling unit under discussion is that of being modular, that is, usable with other similar units keeping the distance between the suction points unchanged . This allows sizing the handling unit based on the size of the plate and/or of the pieces to b e handled.
  • the modularity of the handling unit can advantageously be made also at the level of the management software which can be programmed to automatically use, as a grid on which the piece or pieces to be collected are drawn, the grid having overall dimensions given by the number of modules used.

Abstract

L'invention concerne une unité de manipulation pour machines de découpe permettant de saisir au moins une pièce découpée sur une plaque initiale plate et de la déposer dans un contenant de collecte correspondant. L'unité comprend un corps (11) délimitant une chambre (12) reliée à un dispositif pneumatique adapté pour la création de vide dans ladite chambre, et une pluralité de conduits (13) réalisés dans la base du corps aux fins de communication entre la chambre et l'extérieur, de manière à définir une pluralité de points de succion lorsque la chambre est sous vide. L'unité comprend, pour chacun des conduits, un système d'activation (17) contrôlable séparément pour l'ouverture ou la fermeture hermétique du conduit correspondant, en vue de la sélection de points de succion selon la forme et la dimension de la ou des pièces à manipuler.
PCT/IT2003/000539 2002-09-11 2003-09-09 Unite de manipulation pour machines de decoupe WO2004024402A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03795196A EP1549467A1 (fr) 2002-09-11 2003-09-09 Unite de manipulation pour machines de decoupe
AU2003266497A AU2003266497A1 (en) 2002-09-11 2003-09-09 Handling unit for cutting machines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000083A ITBS20020083A1 (it) 2002-09-11 2002-09-11 Unita' di manipolazione configurabile per macchine da taglio
ITBS/2002/A/000083 2002-09-11

Publications (1)

Publication Number Publication Date
WO2004024402A1 true WO2004024402A1 (fr) 2004-03-25

Family

ID=11440824

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2003/000539 WO2004024402A1 (fr) 2002-09-11 2003-09-09 Unite de manipulation pour machines de decoupe

Country Status (4)

Country Link
EP (1) EP1549467A1 (fr)
AU (1) AU2003266497A1 (fr)
IT (1) ITBS20020083A1 (fr)
WO (1) WO2004024402A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011035898A1 (fr) * 2009-09-28 2011-03-31 Deutsche Post Ag Pince aspirante servant à saisir et à déposer une charge isolée
KR101521529B1 (ko) * 2010-06-14 2015-05-19 삼성테크윈 주식회사 부품 실장기 헤드 및 이를 이용한 부품 실장 방법
CN110394820A (zh) * 2019-06-03 2019-11-01 亚米拉自动化技术（苏州）有限公司 一种紧凑式海绵吸盘

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3325207A1 (de) * 1983-07-13 1985-01-31 Peter-Uhren Gmbh, 7210 Rottweil Sauggreifer mit selbststeuernder saugoeffnung
EP0260128A2 (fr) * 1986-09-09 1988-03-16 Kabushiki Kaisha Yakult Honsha Dispositif pour plaque aspirante
EP0348311A1 (fr) * 1988-06-24 1989-12-27 Centre Technique Cuir Chaussure Maroquinerie Dispositif pour la préhension de pièces souples isolées ou adjacentes, leur manipulation et leur dépose, notamment de pièces en cuir et similaires
EP0511936A1 (fr) * 1991-04-30 1992-11-04 United Technologies Corporation Pied de transfert bifonctionnel
US6131973A (en) * 1998-10-01 2000-10-17 Sikorsky Aircraft Corporation Vacuum transfer device
EP1232990A2 (fr) * 2001-02-15 2002-08-21 Trumpf Sachsen GmbH Commande individuelle pour tête de préhension par dépression dans un appareil de chargement à plusieurs têtes de préhension par dépression

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3325207A1 (de) * 1983-07-13 1985-01-31 Peter-Uhren Gmbh, 7210 Rottweil Sauggreifer mit selbststeuernder saugoeffnung
EP0260128A2 (fr) * 1986-09-09 1988-03-16 Kabushiki Kaisha Yakult Honsha Dispositif pour plaque aspirante
EP0348311A1 (fr) * 1988-06-24 1989-12-27 Centre Technique Cuir Chaussure Maroquinerie Dispositif pour la préhension de pièces souples isolées ou adjacentes, leur manipulation et leur dépose, notamment de pièces en cuir et similaires
EP0511936A1 (fr) * 1991-04-30 1992-11-04 United Technologies Corporation Pied de transfert bifonctionnel
US6131973A (en) * 1998-10-01 2000-10-17 Sikorsky Aircraft Corporation Vacuum transfer device
EP1232990A2 (fr) * 2001-02-15 2002-08-21 Trumpf Sachsen GmbH Commande individuelle pour tête de préhension par dépression dans un appareil de chargement à plusieurs têtes de préhension par dépression

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011035898A1 (fr) * 2009-09-28 2011-03-31 Deutsche Post Ag Pince aspirante servant à saisir et à déposer une charge isolée
KR101521529B1 (ko) * 2010-06-14 2015-05-19 삼성테크윈 주식회사 부품 실장기 헤드 및 이를 이용한 부품 실장 방법
CN110394820A (zh) * 2019-06-03 2019-11-01 亚米拉自动化技术（苏州）有限公司 一种紧凑式海绵吸盘

Also Published As

Publication number Publication date
AU2003266497A1 (en) 2004-04-30
ITBS20020083A0 (it) 2002-09-11
ITBS20020083A1 (it) 2004-03-12
EP1549467A1 (fr) 2005-07-06

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