WO2019011676A1 - Procédé et système de réglage automatique d'un élément d'exposition pour séparer le couvercle d'une bande de composants - Google Patents

Procédé et système de réglage automatique d'un élément d'exposition pour séparer le couvercle d'une bande de composants Download PDF

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Publication number
WO2019011676A1
WO2019011676A1 PCT/EP2018/067630 EP2018067630W WO2019011676A1 WO 2019011676 A1 WO2019011676 A1 WO 2019011676A1 EP 2018067630 W EP2018067630 W EP 2018067630W WO 2019011676 A1 WO2019011676 A1 WO 2019011676A1
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WO
WIPO (PCT)
Prior art keywords
exposure member
tape
compartments
component
cover
Prior art date
Application number
PCT/EP2018/067630
Other languages
English (en)
Inventor
Nils Jacobsson
Original Assignee
Mycronic AB
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 Mycronic AB filed Critical Mycronic AB
Publication of WO2019011676A1 publication Critical patent/WO2019011676A1/fr

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Classifications

    • 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
    • H05K13/0417—Feeding with belts or tapes
    • H05K13/0419—Feeding with belts or tapes tape feeders
    • 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
    • H05K13/08—Monitoring manufacture of assemblages

Definitions

  • the invention disclosed herein relates to the field of manufacture and assembly of circuit boards. More specifically, the present invention relates to a method for adjusting an exposure member for exposing components at a picking position in a component mounting machine, and a system comprising such an exposure member.
  • a component mounting machine is used for mechanically and/or electrically mounting the components onto printed wiring boards. These components are often delivered spaced apart along the length or longitudinal direction of a component tape.
  • the component tape may comprise a lower carrier tape provided with sequentially arranged component holding compartments, and a top cover that is attached to the carrier tape to enclose the components in the compartments.
  • the component tape may be inserted into a feeding device for feeding the component tape into position for picking of components from the tape. Prior to the picking of the components, each component has to be exposed so as to make it available for picking. This may be achieved by means of a component exposure member for removing the cover tape from the carrier tape.
  • the exposure member may e.g. be configured for separating the cover tape from the carrier tape along one side of the carrier tape only, while leaving the cover tape adhered to the carrier tape along the other side.
  • the component tapes may e.g. vary in terms of tape widths and how the compartments are formed regarding size and shape in adaptation to the components they are intended to accommodate.
  • the transversal centre of each compartment should be positioned at a defined distance from the lateral edge of the component tape.
  • the distance from the lateral edge of the compartment to the lateral side of the component tape may vary in accordance with the width of the compartment.
  • the cover may be attached to the carrier tape at positions immediately adjacent to the lateral side of each
  • compartment i.e., between the compartment and the lateral edges of the component tape.
  • An object of the present inventive concept is to provide an alternative solution to the problem of handling components provided on differently configured component tapes. Additional and alternative objectives may be understood from the following.
  • a method for automatically adjusting an exposure member of a tape guide for guiding component tapes in a component mounting machine wherein the exposure member is adapted to expose components at a picking position.
  • the components are provided on component tape comprising a carrier tape and a cover, and are positioned in sequentially arranged compartments provided on the carrier tape.
  • the configuration of the compartments is dependent on the carried components, wherein the cover is attached to the carrier tape along first and second longitudinal attachment portions adjacent to the sequence of compartments to enclose the
  • the method comprises retrieving information indicating the configuration of the compartments, retrieving an exposure member setting associated with the configuration of the compartments, and operating, based on the exposure member setting, an actuator such that the actuator laterally displaces the exposure member to separate the cover from the carrier tape along the first attachment portion while leaving the cover attached to the carrier tape along the second attachment portion and bring the cover to one side of the compartment at the picking position such that the compartment and the component provided therein is exposed at the picking position.
  • a system comprising a tape guide for guiding component tapes in a component mounting machine.
  • the tape guide comprises an exposure member adapted to expose
  • the system further comprises an actuator adapted to laterally displace the exposure member, a storage means for storing an exposure member setting associated with the configuration of the compartments, and a controller.
  • the controller is adapted to retrieve information indicating the configuration of the compartments, to retrieve the exposure member setting, and cause the actuator to laterally displace the exposure member so as to separate the cover from the carrier tape along the first attachment portion while leaving the cover attached to the carrier tape along the second attachment portion and bring the cover to one side of the compartment at the picking position such that the compartment and the component provided therein is exposed at the picking position.
  • the adjustable exposure member allows for a more flexible tape guide that can be used with a broader variety of component tape types.
  • the provision of a method and system comprising an actuator for automatically adjusting the exposure member to a specific compartment configuration according to the technology disclosed makes it possible to reduce the number of different types of tape guides otherwise required for handling different types of component tapes.
  • the system is capable of operating the actuator based on the predefined exposure member setting stored in the storage means, which reduces the time required for loading and setting up the system for production. Further, the need for "over capacity" of different component exposure members, or tape guides in order to accommodate different component tapes of the same component tape width may be reduced. Instead, only the number of tape guides corresponding to the number of component tapes used, or prepared for subsequent use, may be required.
  • the repeatability and quality of the adjustment may be increased as the same setting may be used repeatedly for a specific type or configuration of component tape.
  • the provision of tape guides having adjustable exposure members that are configured to be automatically adjusted by an actuator reduces the risk of the operator selecting a tape guide having a fixed exposure member that is not adapted to the particular configuration of the component tape in question.
  • a wrongly selected tape guide, or an erroneously adjusted exposure member could lead to the component tape not being completely exposed, which could lead to the pick-up head dropping the component after picking and causing severe disruptions of the component mounting process.
  • it could lead to the cover being separated from the carrier tape along both attachment portions of the component tape, the loose cover being at risk of getting tangled up with the pick-up head, which inevitably would lead to feeding malfunctioning and disruptions of the mounting process.
  • the term lateral refers to the lateral direction of the component tape, i.e., perpendicular to the feeding direction of the component tape.
  • the feeding direction may also be referred to as the distal direction, whereas the opposite direction may be the proximal direction.
  • configuration of the compartments may be understood to include tape width, how the compartments are formed regarding size and shape, and the dimensions, configuration, and attachment of the cover tape.
  • the present inventive concept may be used with components tapes having the same component tape width (as measured in the lateral direction). However, the present inventive concept is in no way restricted to a specific component tape width. On the contrary, it is equally applicable to component tapes of, for instance, 8, 12, or 16 mm width.
  • the exposure member may expose a component by at least partly removing or displacing, from the carrier tape, the portion of the cover that covers the component at the picking position.
  • the cover is removed or displaced to completely expose the component such that the component may be access and removed by the picking head.
  • the exposure may e.g. be performed by providing the exposure member with a separating portion that may be brought into engagement with the component tape between the cover and the carrier tape, thus lifting the cover from the carrier tape.
  • the lateral position of the exposure member may be automatically adjustable by an actuator in accordance with the configuration of the component tape in such a manner that the separating portion is brought into engagement with the component tape at the correct position for exposing the component at the picking position.
  • the separating portion of the exposure member may be brought into engagement with the component tape at one lateral portion of the cover only.
  • a portion of the cover may be separated from the carrier tape on one side only, i.e., the cover may remain attached to the carrier tape on the other side of the compartment.
  • the separating portion may be located at a position that is adapted to the configuration of the component tapes for which it is intended, i.e., to the width of the cover and the positions of the respective adhesive areas.
  • the width and position of the separating portion being such that the cover is separated from the carrier tape at one adhesive area or portion, while leaving the adhesive on the other side of the compartment at least partially intact, such that the cover may remain attached to the carrier tape on that side of the compartment.
  • the exposure member may engage between the cover and the carrier tape the entire distance from the lateral centre to the lateral edge of the component tape.
  • the initial engagement may preferably be as close as possible to the lateral centre such that very small compartments may be exposed. Otherwise, there may be a risk of the separating portion attempting to engage between the cover and the carrier tape outside the attachment portions instead of between the attachment portions. Even if such an engagement in some instances could still effect a proper exposing of the component, it is preferred that the initial engagement between the exposure member and the component tape is between the attachment portions. Also, in order not to separate the cover from the carrier tape along both attachment portions, the separating portion may be
  • the automatically adjustable exposure member may be laterally displaceable at the picking position from a position close to the lateral centre of the compartment, for exposing very small compartments, to a position close to, but not immediately adjacent, the longitudinal carrier tape portion that is provided with through holes for feeding of the component tape, in order to expose very large compartments that could extend almost up to said through hole portion, since the intervening attachment portion must remain unaffected.
  • controller is meant a device that forms an operable link at least between the storage area and the actuator, and which is capable of retrieving or accessing information from the storage area and to manage or cause the operation of the actuator. Further, the controller may be capable of accessing or retrieving information relating to the configuration of the compartments, e.g. via information indicating the type of components, type of component tape, or an identity of the tape holder. The controller may utilise this information for retrieving the related exposure member setting, associated with the specific compartment configuration, from the storage means.
  • Examples of storage means, or computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices.
  • the storage means may be configured to store the exposure member settings (and their connection to the respective
  • the exposure member settings may e.g. be retrieved from a storing unit or database (530), e.g. a Surface Mount Technology (SMT) database, also storing and associating the identities of component tape reels and tape guides.
  • a storing unit or database e.g. a Surface Mount Technology (SMT) database, also storing and associating the identities of component tape reels and tape guides.
  • SMT Surface Mount Technology
  • the storage means and/or the controller may be integrated in the component mounting machine, or be physically separated from the
  • the storage means and the controller may be structurally integrated with each other or structurally distinct, i.e., physically separated and/or located in different physical or geographical positions, even if connected or being connectable to each other via e.g. a communication network.
  • the exposure member setting may be predetermined by an operator of the component mounting machine.
  • the operator may adjust the exposure member to a desired setting the first time the specific component tape configuration, or compartment configuration, is used.
  • Such an initial adjustment may e.g. be performed by manually controlling the operation of the actuator and adjust the lateral position of the exposure member until the component is sufficiently exposed at the picking position.
  • the actual setting of the exposure member e.g. expressed in a lateral position or configuration of the actuator, may then be stored on the storage means for future use. It will however be appreciated that such a manual adjustment is not limited to the initial set-up of the exposure member.
  • the manual adjustment may also be performed to update or correct a setting already stored on the storage area.
  • an archive server having at its disposal a first communication interface, a second communication interface, and storing unit.
  • the first communication interface may be adapted to receive, from a system according to the second aspect, the exposure member setting and information indicating the configuration of the
  • the storing unit may be adapted to store the exposure member setting and/or the illumination setting
  • the second communication interface may be adapted to provide, upon request by a user, the exposure member setting and/or the information indicating the
  • the archive server may be any type of server, local or remote to a pick and place machine, capable of receiving and providing data.
  • the archive server may be capable of receiving and providing data from/to multiple pick and place machines or users.
  • the archive server may receive an exposure member setting associated with a specific type of component tape, store the information, and make it available for other users and pick and place machines.
  • the archive server may provide a central database of information that can be dynamically updated not only by the provider of the pick and place equipment or electric components, but also by users of the pick and place machines.
  • the exposure member settings may e.g. be retrieved from a storing unit or database (530), e.g. a Surface Mount
  • SMT Structured Technology
  • the information indicating the configuration of the compartments may also be stored in a storage area of the tape guide.
  • This information may e.g. be stored in the storage area of the tape guide when the component tape is mounted into the tape guide.
  • the controller may read the information stored in the tape guide and use that information for accessing the associated exposure member setting. This allows for a correct adjustment of the exposure member every time the tape guide is loaded in the component mounting machine.
  • an identity of the tape guide may be stored on the storage area of the tape guide. The identity of the tape guide may e.g. be associated with a specific component type or compartment configuration of the component tape mounted in the tape guide.
  • the association between the identity of the tape guide and the component type/ compartment configuration may e.g. be generated by the operator when the component tape is mounted in the tape guide.
  • the association may e.g. be stored in the storage area of the component mounting machine, or the storage area of the tape guide.
  • the information indicating the configuration of the compartments may comprise a width of the components (as seen in the lateral direction) stored in the compartments.
  • the actuator may be adapted to angularly adjust the exposure member in relation to the longitudinal direction of the component tapes, in adaptation to the width of the components.
  • the exposure member may be pivotally adjustable about a pivot point, e.g. at the proximal end of the exposure member, that may be the end comprising a separating portion.
  • the separating portion may remain in virtually the same lateral position, while at the more distally located picking position, the lateral displacement of the exposure member may be greater.
  • the angle of the exposure member i.e. of the surface thereof which effects the bringing of the cover substantially completely to the side of the compartment, increase, which facilitates the action of displacing the cover a greater lateral distance from the separating point to the picking position.
  • the actuator may be adapted to realize the automatic displacement, or adjustment, of the exposure member by means of an adjustment means, such as e.g. a threaded coupling or an arm engaging the tape guide for moving the exposure member.
  • the adjustment means may e.g. be accessed from a lateral side of the tape guide, or from below.
  • the exposure member may be laterally displaced, at least at the picking position, as the actuator operates on the adjustment means.
  • the displacement may be a lateral displacement of the entire exposure member, or pivotal as described above.
  • the exposure member may be automatically adjusted in distinct steps, for instance in the form of a so-called click mechanism.
  • the automatic adjustment may be continuous, such that the exposure member may assume any position between the respective limit positions.
  • the exposure member may be comprised in a tape guide provided as a self-contained separate unit.
  • a tape guide provided as a self-contained separate unit.
  • component tapes can be connected to and electronically associated with the tape guides in advance, and stored while waiting to be used in a later component mounting process.
  • the machine may read the component tape type and load the associated exposure member setting from the storage area.
  • the exposure member setting may then be used by the actuator for automatically adjusting the lateral position of the exposure member and thus ensure an adequate exposure of the component at the picking position.
  • adjustable exposure members could be provided in tape guides or feeders where a plurality of such tape guides or feeders are incorporated in component magazines or component trolleys. Then, the provision of adjustable exposure members may reduce an otherwise required over capacity in component magazines and component trolleys.
  • the inventive concept disclosed may be embodied as computer readable instructions for controlling a programmable computer in such manner that it causes a component mounting machine, or system as described above, to perform the method outlined above.
  • Such instructions may be distributed in the form of a computer program product comprising a non-volatile computer-readable medium storing the instructions. It will be appreciated that any of the features in the embodiments described above for the method according to the first aspect may be combined with the system according to the second aspect of the inventive concept disclosed.
  • Figure 1 illustrate the general relationship between a tape guide, a component tape and a component tape holder.
  • Figure 2a is a perspective view and figure 2b is a phantom view showing the general structure of a component tape.
  • Figures 3a-3e are sectional views illustrating differently configured component tapes
  • figures 4a-4e are plan views the component tapes shown in figures 3a-3e.
  • Figures 5a and 5b illustrate the general structure of a tape guide according to an embodiment of the inventive concept.
  • Figures 5c-5f are schematic transversal cross-sectional views taken at the four different sections of the tape guide shown in figure 5a, illustrating the process of exposing a component in a compartment of a component tape.
  • Figure 6 is a schematic illustration of a system according to an embodiment of the present inventive concept.
  • Figure 7 is a flow chart illustrating a method according to an
  • Figure 8 is an overview of an archive server.
  • Embodiments of the present inventive concept generally relates to a method and system for providing components to a picking position in a component mounting machine, where the components can be picked and subsequently placed on a substrate, such as a printed wire board, by a pickup head of the machine.
  • a system generally comprises tape guides 10, component tapes 20 and component tape reels 30.
  • the component tapes 20 may be wound onto component tape reels 29 and loaded into tape guides 10, as is illustrated in e.g. figure 1 .
  • the tape guides 10 may then be mounted into a component mounting machine, or into a magazine for subsequent loading into a component mounting machine.
  • the tape guides may be provided with adjustable exposure members that can be automatically adjusted by an actuator controlled by a controller, which will be described in more detail below.
  • component tape may comprise two main parts, i.e., a carrier tape and a cover.
  • the carrier tape may comprise a card-board or plastic body 21 provided with compartments 24 for containing components, preferably one in each compartment 24.
  • the carrier tape may further comprise a bottom cover 23 attached to the body 21 and extending along the entire length of the component tape 20, such that the body 21 and the bottom cover 23 together form the carrier tape for carrying components.
  • compartments 24 in cardboard tapes may be provided as through holes 24 with the bottom cover 23 forming a bottom surface of the compartments.
  • the body 21 may constitute the entire carrier tape of the component tape 20.
  • the body 21 is further provided with a lateral portion 25 provided with through holes 26, which may be arranged for engagement with a feeding device, said feeding device feeding the component tape 20 during the mounting procedure, normally in a component magazine.
  • the component tape may further comprise a cover 22, which generally may be formed of a thin, plastic, transparent sheath.
  • the cover 22 may be provided for enclosing the components contained in the compartments 24 and may extend along the entire length of the component tape 20.
  • the cover 22 may be attached to the body 21 through the use of adhesive portions 27, 28, also referred to herein as longitudinal attachment portions.
  • the cover 22 may be fused to the body 21 along the illustrated portions 27, 28.
  • FIGS. 3a-3e and 4a-4e there is illustrated five examples of differently configured component tapes of the same component tape width, in which figures 3a-3c and 4a-4c illustrate cardboard tapes, whereas figures 3d- 3e and 4d-4e illustrate plastic tapes.
  • the cardboard tapes may have the same thickness throughout the cardboard body 21 , which may be dependent on the depth of the compartment 24.
  • the plastic tapes may have a thin lateral portion 25, the thickness of which generally not being dependent on the depth of the compartments.
  • the size of the compartments 24 can vary between component tapes of the same component tape width.
  • the distance from the edge of the component tape to the centre of each compartment may have a standard value for each component tape width.
  • the pitch of the compartments 24, i.e. the distance between adjacent or subsequent compartments can be varied, see
  • cover 22 and the attachment thereof to the carrier tape 21 can be varied. Even though the covers shown all have the same width, which is the generally established design for component tapes, this is not
  • the width may be varied in accordance with the width of the compartments.
  • the figures illustrate different positions of the adhesive or fused portions 27, 28 in correspondence with the compartment width. The width of these portions may of course also be varied.
  • the tape guide may comprise an elongated open-ended profile with opposing elongated tape guiding wall elements 1 1 .
  • the wall elements 1 1 may each be provided with a longitudinal groove 15 for facilitating insertion of a component tape and guiding the component tape 20.
  • the tape guide 10 may further be provided with a recess 16 for enabling the pins of teeth of a feeding device, which may be provided in a component mounting machine or in a magazine attached to a component mounting machine, to engage the feeding holes 26 of the component tape 20.
  • a handle 12 may be arranged in one end of the tape guide 10 for facilitating attachment and detachment of the tape guide 10 into and from the magazine.
  • the tape guide 10 may also comprise forward and rearward locking elements 13, 14 for attaching the tape guide into the magazine.
  • the component tape 20 may pass an exposure member 30, which releases one side of the cover 22 from the carrier tape 21 along one of the attachment portions 27, 28 and brings or bends the released portion of the cover 22 to an upright position. While the cover 22 is in the upright position, the components may be exposed in sequence at the picking position 17 or slot 17 where the components can be picked by a pick-up head.
  • the exposure member 30 may comprise means 31 by which the actuator may effect adjustment of the lateral and/or angular position of the exposure member 30.
  • the adjustment means may e.g. be provided in the form of an adjustment screw 31 , which may be in threaded engagement in a threaded through hole provided in the wall 1 1 of the tape guide 10.
  • the screw 31 may be screwed into or out of the wall 1 1 of the tape guide 10 and the exposure member 30 laterally displaced, at least at the position of the adjustment means.
  • Other types of adjustment means are also conceivable, comprising e.g. an adjustment arm or lever engaged to the exposure member 30 and being accessible by the actuator.
  • Such an adjustment arm or lever may e.g. protrude from a lateral side wall 1 1 or from the underside of the tape guide 10.
  • the exposure member 30 may comprise an elongated pivot arm 33 extending in a proximal direction as seen from the adjustment means 31 .
  • the pivot arm 33 may at 34 be rigidly mounted to the sidewall 1 1 of the tape guide 10. Since the pivot arm 33 may be slightly flexible, the point 34 where the pivot arm 33 is rigidly mounted to the tape guide 10 may act as a pivot point 34.
  • the entire exposure member 30 may be pivoted through the manipulation of the actuator about the pivot point 34. Thereby, not only the lateral position of the exposure member 30 is adjusted, but also the angular position thereof.
  • the exposure member may comprise a separating portion, which in turn may comprise a tongue-shaped tip portion 37 for separating and lifting the cover 22 from the carrier tape 21 , and a guiding portion for bringing the cover 22 to the side.
  • the exposure member 30 may comprise a covering portion 38, extending distally from the separating portion, for covering the component between the position of lifting the cover and the picking position 17.
  • the guiding portion may comprise a guiding surface 39, which may be substantially orthogonal to the tongue-shaped tip portion 37.
  • the guiding surface 39 may extend substantially from a first side to a second side of the tape guide 10, obliquely in the distal direction, in order to guide a loosened portion of the cover 22 to the side of the compartments at the picking position.
  • the exposure member 30 may be arranged such that as the loosened portion of the cover 22 may be brought to the side of the sequence of components, thereby introducing tensions in the cover 22, causing the cover 22 to fold inwards. This folding is described in more detail below.
  • the exposure member 30 may also be provided with a substantially vertical wall portion 40, which may extend from the distal end of the guiding surface 39 distally along the side of the compartments 24 and past the picking position 17.
  • the vertical wall portion 40 may ensure that the folded cover 22 remains folded and at the side of the picking position 17, while the cover passes the picking position 17. Thus, the components may be safely and completely exposed for picking by the pick-up head.
  • a horizontal wall portion 41 (as shown in figure 5b) parallel to the carrier tape and arranged at the side of the picking position 17.
  • the horizontal wall portion 41 may cover the folded cover 22 as it passes the picking position 17 and forms a slot like passage with the vertical wall portion 40 and the tape guide wall 1 1 .
  • Figure 5b is a top view of a tape guide similarly configured as the tape guide 10 of figure 5a, wherein the curved, double-headed arrow indicates the angular adjustment of the exposure member 30 around the pivot point 34.
  • Figures 5c-5f are schematic cross-sectional views along the lines l-l, II- II, Ill-Ill and IV-IV in figure 5a, respectively.
  • the views illustrate the gathering by inwardly folding the cover 22, and the securing of the fold of the gathered cover 22 at the side of the picking position 17.
  • FIG 5d the initial inward folding of the cover 22 is shown. It should be noted that due to tensions in the cover 22, the guiding surface 39 of the exposure member 30 may no longer be in contact with the cover 17.
  • Figure 5e illustrates the situation at the picking position 17, by the vertical wall portion 40, thus enabling the pick-up head to pick a component 1 .
  • the horizontal wall portion 41 may keep the gathered cover 22 safely in the slot like passage formed between the vertical wall portion 40 and the wall 1 1 of the tape guide 10.
  • Figure 5f illustrates the situation immediately following the picking position 17, the cover still being kept folded and to the side.
  • FIGS. 5e and 5f there is illustrated a gap 42 between the upper surface of the carrier tape 21 , on which the cover 22 is attached, and the lower edge of the vertical wall portion 40 of the exposure member 30.
  • This gap 42 may be provided in order to ensure that the cover 22 may not be separated from the carrier tape 21 along the second attachment portion 27, and obstruct the function of the exposure member 30, and hence prevent the carrier tape to be fed further along the tape guide.
  • the size of the gap 42 may be sufficiently small for ensuring that the loosened portion of the folded cover 22 does not slip back under the vertical wall portion 40, i.e., towards the picking position 22, thereby interfering with the component picking process.
  • the disclosed example concerns the handling of wider component tapes where a wide cover is folded when brought to the side, in order to avoid the drawbacks presented above in relation to merely bringing a wide cover to an upright position.
  • the present inventive concept is equally applicable to the handling of component tapes having a smaller width, i.e., where the raising of the cover to an upright position does not constitute a problem.
  • the exposure member 30 may be used in combination with a narrower tape guide, where the
  • the system comprises a tape guide and an exposure member 30 as described above in connection with the exemplifying embodiments, an actuator 410 for automatically adjusting the exposure member 30, controller 430, and a storage means 420.
  • the controller 430 may e.g. form a logic device or computer machine capable of receiving information indicating the configuration of the
  • the information may e.g. comprise the identity of the component tape, the component type or the tape holder, and/or dimensions or measures relating to the specific compartment.
  • the controller 430 may e.g. be configured to receive the information from an identification means, such as e.g. a bar-code, chip or tag, on the tape guide or the component tape itself.
  • the controller 430 may be adapted to send a request to the storage area 420, and receive an exposure member setting in return.
  • the storage area 420 may e.g. comprise a computer-readable memory storing predetermined exposure member settings associated with different types of compartment configurations.
  • the exposure member settings may e.g. be provided in the form of lateral position data for the exposure member, or operating instructions for operating the actuator 410 such that the desired adjustment of the exposure member is effected.
  • the storage area may in some examples comprise a lookup table comprising a connection between a specific compartment configuration and the associated exposure member setting, wherein the associated exposure member setting may be returned to the controller 430 upon request.
  • the storage area may e.g. be formed of an archive server capable of storing and providing exposure member settings and/or information indicating the configuration of different types of
  • the controller may be adapted to communicate with e.g. the actuator
  • the controller 430 may further be operatively coupled to the actuator 410, which hence may be operated according to the exposure member settings.
  • the actuator 410 may e.g. comprise a motor acting on an
  • adjustment means such as e.g. a lever or threaded coupling engaged to the exposure member 30 for actively adjusting or displacing the exposure member 30 according to the exposure member setting retrieved from the storage means 420.
  • Figure 7 is a schematic outline of a method according to an
  • compartments is retrieved 710, e.g. by scanning or reading a barcode or a chip comprising information relating to e.g. the compartment configuration (or e.g. component type, tape type or tape guide identity, which may have been associated with the compartment type at another point in time).
  • the compartment configuration or e.g. component type, tape type or tape guide identity, which may have been associated with the compartment type at another point in time.
  • an exposure member setting may be retrieved 720, which may be associated with the configuration of the compartments of the component tape.
  • the exposure member may e.g. be previously stored in the storage area and delivered upon request from the controller.
  • the actuator is operated 730 according to the retrieved exposure member setting so as to laterally displace the exposure member to a position in which it allows for the compartment and the component provided therein to be exposed at the picking position.
  • the archive server 500 may comprise a processing means 510, a storing unit 530 and, in this example, two communication interfaces 520, 521 , 522.
  • the two interfaces may be structurally integrated in one interface with a combined functionality of the two examples described herein.
  • the interfaces could be any type of communication interfaces suitable for sending and/or receiving data.
  • an interface may be an API, an endpoint, or a file system.
  • the storing unit 530 may be any type of storing unit configured to store data.
  • the storing unit may be a database or a file system.
  • the storing unit may be located in the same server as the archive server, or on one or more servers.
  • the storing unit 530 may be adapted to store data relating to the configuration of different types of compartments, and different sets of related exposure member settings.
  • the archive server 500 may receive, through the first communication interface 521 , an exposure member setting associated with a configuration of a specific compartment type, for example from a pick and place machine 100 or a component provider.
  • the received exposure member setting may have been determined by an operator setting up the pick and place machine 100 for a specific component type or tape type.
  • the received exposure member setting may be stored, for example by the processing unit 510, in the storing unit 530.
  • the archive server 500 may provide the exposure member setting through a second communication interface 522 adapted to provide the exposure member setting upon request from a user.
  • the user may be a person using a software or an application requesting the data, thereby allowing the stored information to be reused by several different pick and place machines or users.
  • the exposure member settings may e.g. be retrieved from a storing unit or database (530), e.g. a Surface Mount Technology (SMT) database (530), which is also configured for storing, and associating, the identities of component tape reels and tape guides.
  • a storing unit or database e.g. a Surface Mount Technology (SMT) database (530)
  • SMT Surface Mount Technology

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Operations Research (AREA)
  • Supply And Installment Of Electrical Components (AREA)

Abstract

L'invention concerne un procédé et un système de réglage d'un élément d'exposition (30) d'un guide de bande (10) permettant de guider des bandes de composants (20) dans une machine de montage de composants. L'élément d'exposition est conçu pour exposer des composants (1) au niveau d'une position de capture (17), les composants étant positionnés dans des compartiments agencés séquentiellement disposés sur une bande de composants ayant une bande de support (21) et un couvercle (22). Le procédé consiste à récupérer (710) des informations indiquant la configuration des compartiments, à récupérer un paramètre d'élément d'exposition associé à la configuration des compartiments, et à actionner un actionneur sur la base du paramètre d'élément d'exposition de telle sorte que l'élément d'exposition est réglé latéralement pour amener le couvercle sur un côté du compartiment en vue d'exposer le composant au niveau de la position de capture.
PCT/EP2018/067630 2017-07-12 2018-06-29 Procédé et système de réglage automatique d'un élément d'exposition pour séparer le couvercle d'une bande de composants WO2019011676A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1730193 2017-07-12
SE1730193-8 2017-07-12

Publications (1)

Publication Number Publication Date
WO2019011676A1 true WO2019011676A1 (fr) 2019-01-17

Family

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Application Number Title Priority Date Filing Date
PCT/EP2018/067630 WO2019011676A1 (fr) 2017-07-12 2018-06-29 Procédé et système de réglage automatique d'un élément d'exposition pour séparer le couvercle d'une bande de composants

Country Status (1)

Country Link
WO (1) WO2019011676A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1298977A1 (fr) * 2001-09-19 2003-04-02 Mydata Automation AB Système pour traiter les composants d'une machine à monter des composants
EP1530415A1 (fr) * 2003-11-10 2005-05-11 Mydata Automation AB Dispositif de mettre à découvert et guide bande pour une machine de montage de composants

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1298977A1 (fr) * 2001-09-19 2003-04-02 Mydata Automation AB Système pour traiter les composants d'une machine à monter des composants
EP1530415A1 (fr) * 2003-11-10 2005-05-11 Mydata Automation AB Dispositif de mettre à découvert et guide bande pour une machine de montage de composants

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