EP0992183A1 - Machine de manipulation de composants - Google Patents

Machine de manipulation de composants

Info

Publication number
EP0992183A1
EP0992183A1 EP99911975A EP99911975A EP0992183A1 EP 0992183 A1 EP0992183 A1 EP 0992183A1 EP 99911975 A EP99911975 A EP 99911975A EP 99911975 A EP99911975 A EP 99911975A EP 0992183 A1 EP0992183 A1 EP 0992183A1
Authority
EP
European Patent Office
Prior art keywords
component
nozzle
pick
components
handling
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.)
Withdrawn
Application number
EP99911975A
Other languages
German (de)
English (en)
Inventor
Franciscus L. Vermeulen
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.)
Assembleon BV
Original Assignee
Koninklijke Philips Electronics NV
Assembleon BV
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 Koninklijke Philips Electronics NV, Assembleon BV filed Critical Koninklijke Philips Electronics NV
Priority to EP99911975A priority Critical patent/EP0992183A1/fr
Publication of EP0992183A1 publication Critical patent/EP0992183A1/fr
Withdrawn legal-status Critical Current

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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/04—Mounting of components, e.g. of leadless components
    • H05K13/0404—Pick-and-place heads or apparatus, e.g. with jaws
    • H05K13/0408—Incorporating a pick-up tool
    • H05K13/0409—Sucking devices

Definitions

  • the invention relates to a component-handling machine having a robot with a component-handling head which is provided with a vacuum pick-up nozzle and having means for creating a suction force at a nozzle opening of the pick-up nozzle for sucking a component to the nozzle opening and keeping it there.
  • Such component handling-machines are generally known, e.g. from US-A- 5 722 527 (PHN 15255), and used to pick up components, usually small components (SMDs), from a storage and place them on printed circuit boards.
  • the size of the opening of the pick-up nozzle is adapted to the size of the components to be picked up. For a specific pick-up nozzle only a few components, having sizes which are close to each other, can be used. If, e.g. smaller components should be picked up, a smaller opening of the nozzle must be used. This is done by exchanging the pick-up nozzle for another nozzle with a smaller suction opening.
  • the nozzle is adapted to pick up of a component of a certain size and this nozzle is used to pick up a smaller component, there is a risk that such a smaller component is totally sucked into the tube or sucked askew against the edge of the nozzle opening. If, on the other hand, bigger components should be picked up, there is a risk that the suction force is too small.
  • the component-handling machine is characterised in that the nozzle opening of the pick-up nozzle is provided with a gas-permeable cover against which components of different sizes can be sucked and held during operation.
  • the cover Due to this gas-permeable cover, a wide range of components can be picked up and placed e.g. on a printed circuit board without the necessity to stop the machine and change the pick-up nozzle.
  • the cover also causes an increase of the surface of the component on which the suction force is acting.
  • the invention results in greater flexibility and better handling of the placement process.
  • the cover represents a very simple and cheap means to solve the problem of changing the pick-up nozzle.
  • the picked up component is always positioned flat against the cover.
  • the suction force should, of course, be adapted to the largest component to be picked up.
  • DE-A-41 00 023 discloses a vacuum pick-up tube for SMD components having a diaphragm nozzle with an adjustable nozzle opening which can be adapted to the size of the components. Such a construction however is much more complicated.
  • a fine-meshed gauze or porous foam is used as the gas- permeable cover.
  • the invention also relates to a component-handling head having a pick-up nozzle for use in a component-handling machine as described above.
  • the invention also relates to a vacuum pick-up nozzle for use in a component-handling head of a component-handling machine as described above.
  • Fig.1 schematically shows a component-placement machine
  • Fig.2 shows a pick-up nozzle according to the invention.
  • the component-placement machine comprises a machine frame 1 to which a robot 2 is connected.
  • the robot comprises a slide 3 mounted on two parallel guide beams 4 of the frame.
  • the slide can be moved over the beams in the Y- direction.
  • a component-placement head 5 is fastened on the slide 3 and can be moved along the slide in the X-direction.
  • the component-placement head comprises a pick-up nozzle 6 which can be moved in the placement head in the Z-direction.
  • the pick-up nozzle can also 3 rotate about the Z-axis in order to make a rotational correction during the placement of components.
  • the machine has a transport mechanism for transporting printed circuit boards 7 through the machine.
  • the component-placement head 5 picks up components 9 from a storage or feeder 10 and places them on the printed circuit board 7.
  • the component-placement machine is provided with means 11 which create a suction force at the nozzle opening 12 of the pick-up nozzle 6.
  • Fig.2 the lower end part of the pick-up nozzle 6 is shown.
  • the nozzle is in the form of a metal tube.
  • the nozzle opening 12 is provided with a cover 13 of a gas-permeable material, such as a fine-meshed gauze or a porous foam.
  • the cover could be made of stiff material or flexible material stretched over the nozzle opening and fastened to the nozzle e.g. by means of a clamping bush 14 situated around the tube, or by laser welding.
  • a component 9 can be sucked up and held against the cover 13 by means of a suction force created at the nozzle opening 12.
  • the cover has a flat surface, the component always takes a flat position, i.e.
  • the surface of the component, on which the suction force is acting is defined by the size of the opening 12 of the nozzle.
  • gas air
  • Fig.2 the cover material between the edge 16 of the nozzle opening and the component 9, as indicated by arrows in Fig.2. This results in an increase of the surface area on which the suction force is acting, so that the component is held in a more reliable and more stable manner.
  • pick-up nozzles have a circular suction opening.
  • the 4 suction opening may also have a rectangular or oval shape.
  • component-handling machines are used for placing electronic components (chips, SMDs) on printed circuit boards or other substrates.
  • the invention can also be used in other kinds of component-handling machines, such as a component-taping machine. This is a machine in which components are placed in pockets of a tape which is subsequently wound on a reel. Later on the reeled tapes are used in a feeder for a component-placement machine to pick up the components and place them on a substrate.
  • the invention can also be used in machines for handling other components, e.g. small mechanical parts, which have to be picked up and placed in a certain position in or on a device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manipulator (AREA)

Abstract

La présente invention concerne une suceuse à dépression (6) destinée à la tête de présentation d'une machine à présenter les composants. Cette tête de présentation permet de disposer les composants (9) sur une carte à circuit imprimé et de les y maintenir par la force de la dépression. Pour augmenter les possibilités de saisie des composants par une même suceuse, l'orifice de la suceuse (12) est pourvu d'une couverture perméable aux gaz (13) contre laquelle des composants de différentes dimensions (9, 9a, 9b, 9c) peuvent être aspirés et maintenus pendant le fonctionnement.
EP99911975A 1998-04-28 1999-04-15 Machine de manipulation de composants Withdrawn EP0992183A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99911975A EP0992183A1 (fr) 1998-04-28 1999-04-15 Machine de manipulation de composants

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP98201372 1998-04-28
EP98201372 1998-04-28
EP99911975A EP0992183A1 (fr) 1998-04-28 1999-04-15 Machine de manipulation de composants
PCT/IB1999/000663 WO1999056518A1 (fr) 1998-04-28 1999-04-15 Machine de manipulation de composants

Publications (1)

Publication Number Publication Date
EP0992183A1 true EP0992183A1 (fr) 2000-04-12

Family

ID=8233654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99911975A Withdrawn EP0992183A1 (fr) 1998-04-28 1999-04-15 Machine de manipulation de composants

Country Status (3)

Country Link
EP (1) EP0992183A1 (fr)
JP (1) JP2002505624A (fr)
WO (1) WO1999056518A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828304A (en) * 1986-09-09 1989-05-09 Kabushiki Kaisha Yakult Honsha Vacuum adsorption hand
DE3763395D1 (de) * 1986-11-10 1990-08-02 Haas Laser Systems Ag Verfahren zum transportieren von perforierten plattenfoermigen objekten.
US5208975A (en) * 1990-07-06 1993-05-11 Matsushita Electric Industrial Co., Ltd. Method and apparatus for mounting electronic parts
JP3058708B2 (ja) * 1991-04-09 2000-07-04 松下電器産業株式会社 部品装着機
EP0554592B1 (fr) * 1992-02-04 1995-12-13 House Food Industrial Co., Ltd. Main de robot avec préhension par aspiration
JP3368923B2 (ja) * 1992-12-28 2003-01-20 松下電器産業株式会社 電子部品実装装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9956518A1 *

Also Published As

Publication number Publication date
JP2002505624A (ja) 2002-02-19
WO1999056518A1 (fr) 1999-11-04

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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