WO2001001747A1 - Insertion arrangement and use thereof - Google Patents

Insertion arrangement and use thereof Download PDF

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Publication number
WO2001001747A1
WO2001001747A1 PCT/DE2000/002103 DE0002103W WO0101747A1 WO 2001001747 A1 WO2001001747 A1 WO 2001001747A1 DE 0002103 W DE0002103 W DE 0002103W WO 0101747 A1 WO0101747 A1 WO 0101747A1
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WO
WIPO (PCT)
Prior art keywords
conveyor belt
sensor
connection point
conveyor
removal device
Prior art date
Application number
PCT/DE2000/002103
Other languages
German (de)
French (fr)
Inventor
Ralf Schulz
Thomas Liebeke
Michael Schwiefert
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2001001747A1 publication Critical patent/WO2001001747A1/en

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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
    • H05K13/02—Feeding of components
    • H05K13/0215—Interconnecting of containers, e.g. splicing of tapes
    • 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
    • H05K13/081—Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines

Definitions

  • the invention relates to an arrangement for loading, which has a conveyor belt containing placement elements, a conveyor and a removal device for the placement elements. Furthermore, the invention relates to the use of the arrangement for loading.
  • the conveyor belt therefore consists of several partial conveyor belts, with empty partial conveyor belts being replaced by full ones.
  • errors may occur, the cause of which is due to the different nature of the partial conveyor belts, for example due to the manufacture or the manufacturer.
  • the point in time at which a new partial conveyor belt enters the removal device must be known as precisely as possible.
  • the fitting elements picked up by the removal device are counted. With a known number of placement elements per partial conveyor belt, it can thus be concluded that a new partial conveyor belt is being run in.
  • the problem here is that the number of placement elements on a partial conveyor belt is not exactly known. For this reason, this procedure cannot be used to precisely determine when a placement element of a new partial conveyor belt is in the pick-up position of the removal device for the first time.
  • the aim of the present invention is therefore to provide an arrangement for mounting, with which the time at which a new partial conveyor belt m enters the removal device, can be precisely recognized.
  • the invention specifies an arrangement for loading, which comprises a conveyor belt containing mounting elements and a conveying device for the conveyor belt.
  • the conveyor moves the conveyor belt in the longitudinal direction.
  • the arrangement for mounting also includes a removal device which removes the mounting elements from the conveyor belt.
  • the conveyor belt consists of at least two partial conveyor belts which are connected at a connection point, a sensor being provided for the detection of the connection point.
  • connection point between two partial conveyor belts preferably has a metal strip. Accordingly, it is particularly advantageous to use an inductive sensor to detect the connection point.
  • an optical sensor being used to identify the connection point - in the second case to set up a reflex light barrier.
  • the reflective strip is designed, for example, as an adhesive strip to which the cover foils of the partial conveyor belts are connected.
  • the removal device is particularly well suited as an attachment location for the sensor for recognizing the connection point, since in this case the signal from the sensor can be evaluated directly. In this case, an arrangement for loading is particularly advantageous in which the removal device contains a guide element, which prevents the conveyor belt from being displaced in the transverse direction.
  • the assembly according to the invention can be used particularly advantageously in an assembly device for printed circuit boards, the assembly elements being electrical components, the removal device being an automatic assembly machine, the conveyor belt being wound on a supply roll and the connection points being realized by splicing.
  • Figure 1 shows two partial conveyor belts connected by a metal strip.
  • Figure 2 shows a marked by a recess
  • FIG. 3 shows an assembly device for printed circuit boards according to the invention in a schematic longitudinal section.
  • Figure 1 shows two partial conveyor belts interconnected by a metal strip 4.
  • a conveyor device moves the conveyor belt 2 in the longitudinal direction.
  • Placement elements 1 are arranged on the conveyor belt 2.
  • FIG. 2 shows a connection point of two partial conveyor belts marked by a recess. Placement elements 1 are arranged on the partial conveyor belts.
  • the connection of the two partial conveyor belts is realized by a splice strip 6, which consists for example of plastic.
  • the conveyor moves the conveyor belt 2 in the longitudinal direction.
  • an optical sensor 5 for detecting the connection point is located below the V-shaped recess.
  • the splice strip 6 could also be designed to be reflective, so that it is recognized by a reflective light sensor (not shown).
  • FIG. 3 shows an assembly device for printed circuit boards in a schematic longitudinal section, the conveyor belt 2 being unwound from a supply roll 7 with the aid of the conveyor device 10.
  • the placement machine 8, which removes the placement elements from the conveyor belt 2 is located between the supply roll 7 and the conveyor device 10.
  • the conveyor device 10 has an index wheel 9, which moves the conveyor belt by teeth engaging in the transport holes.
  • the optical sensor 5 can preferably be arranged in the conveyor device 10 or close to the placement machine 8. In the immediate vicinity of the optical sensor arranged on the placement machine 8 there is a further index wheel 9 which holds the conveyor belt 2 in a defined position in the transverse direction.
  • the invention is not limited to the exemplary embodiments shown but is defined in its most general form by claim 1.

Abstract

The invention relates to a insertion arrangement, comprising a transportation belt (2) containing insertion elements (1); a conveying device (10), which displaces the transportation belt (2) in the longitudinal direction, and a removal device (8), which removes the insertion elements (1) from the transportation belt (2). The transportation belt (2) consists of at least two partial transportation belts that are interconnected at a connecting point and a sensor (5) is provided for detecting the connecting point. The invention also relates to the use of this arrangement in an insertion device for printed circuit boards. The inventive device is particularly suitable for use as a splicing point detection system for delivery modules.

Description

Beschreibungdescription
Anordnung zum Bestücken und ihre VerwendungArrangement for assembly and their use
Die Erfindung betrifft eine Anordnung zum Bestücken, welche ein Bestückelemente enthaltendes Transportband, eine Fördereinrichtung und eine Entnahmeeinrichtung für die Bestückelemente aufweist. Ferner betrifft die Erfindung die Verwendung der Anordnung zum Bestücken.The invention relates to an arrangement for loading, which has a conveyor belt containing placement elements, a conveyor and a removal device for the placement elements. Furthermore, the invention relates to the use of the arrangement for loading.
Solche Anordnungen zum Bestücken werden üblicherweise in einem kontinuierlichen Bestückprozeß verwendet. Deshalb besteht das Transportband aus mehreren Teiltransportbändern, wobei entleerte Teiltransportbänder durch volle ersetzt werden. Beim Einfahren eines neuen Teiltransportbandes in die Entnahmeeinrichtung können Fehler auftreten, deren Ursache in der unterschiedlichen Beschaffenheit der Teiltransportbänder, beispielsweise herstellungs- oder herstellerbedingt, begründet sind. Um diese Fehler von vornherein von Fehlern der Entnahmeeinrichtung unterscheiden zu können, muß der Zeitpunkt, zu dem ein neues Teiltransportband in die Entnahmeeinrichtung einfährt, möglichst genau bekannt sein. Bei bekannten Anordnungen zum Bestücken werden die von der Entnahmeeinrichtung abgeholten Bestückelemente gezählt. Bei bekannter Anzahl von Bestückelementen je Teiltransportband kann so auf den Zeitpunkt des Einfahrens eines neuen Teiltransportbandes geschlossen werden.Such arrangements for assembly are usually used in a continuous assembly process. The conveyor belt therefore consists of several partial conveyor belts, with empty partial conveyor belts being replaced by full ones. When a new partial conveyor belt is moved into the removal device, errors may occur, the cause of which is due to the different nature of the partial conveyor belts, for example due to the manufacture or the manufacturer. In order to be able to distinguish these errors from errors in the removal device from the outset, the point in time at which a new partial conveyor belt enters the removal device must be known as precisely as possible. In the case of known arrangements for fitting, the fitting elements picked up by the removal device are counted. With a known number of placement elements per partial conveyor belt, it can thus be concluded that a new partial conveyor belt is being run in.
Problematisch dabei ist, daß die Zahl der Bestückelemente auf einem Teiltransportband nicht exakt bekannt ist. Deshalb kann durch diese Vorgehensweise nicht exakt beurteilt werden, wann ein Bestückelement eines neuen Teiltransportbandes erstmals in der Abholposition der Entnahmeeinrichtung liegt.The problem here is that the number of placement elements on a partial conveyor belt is not exactly known. For this reason, this procedure cannot be used to precisely determine when a placement element of a new partial conveyor belt is in the pick-up position of the removal device for the first time.
Ziel der vorliegenden Erfindung ist es daher, eine Anordnung zum Bestücken bereitzustellen, mit der der Zeitpunkt, zu dem ein neues Teiltransportband m die Entnahmeeinrichtung einfahrt, exakt erkannt werden kann.The aim of the present invention is therefore to provide an arrangement for mounting, with which the time at which a new partial conveyor belt m enters the removal device, can be precisely recognized.
Dieses Ziel wird erfmdungsgemäß durch eine Anordnung zum Bestucken nach Anspruch 1 erreicht. VorteilhafteThis goal is achieved according to the invention by an arrangement for mounting according to claim 1. advantageous
Ausgestaltungen der Erfindung sowie die Verwendung der Erfindung sind den weiteren Ansprüchen zu entnehmen.Embodiments of the invention and the use of the invention can be found in the further claims.
Die Erfindung gibt eine Anordnung zum Bestucken an, die ein Bestuckelemente enthaltendes Transportband und eine Fordereinrichtung für das Transportband umfaßt. Die Fordereinrichtung verschiebt das Transportband m Längsrichtung. Die Anordnung zum Bestucken umfaßt ferner eine Entnahmeeinrichtung, die die Bestuckelemente dem Transportband entnimmt. Dabei besteht das Transportband aus mindestens zwei Teiltransportbandern, die an einer Verbindungsstelle zusammenhangen, wobei ein Sensor für die Erkennung der Verbindungsstelle vorgesehen ist.The invention specifies an arrangement for loading, which comprises a conveyor belt containing mounting elements and a conveying device for the conveyor belt. The conveyor moves the conveyor belt in the longitudinal direction. The arrangement for mounting also includes a removal device which removes the mounting elements from the conveyor belt. The conveyor belt consists of at least two partial conveyor belts which are connected at a connection point, a sensor being provided for the detection of the connection point.
Durch erfmdungsgemaße Verwendung eines Sensors zur Erkennung der Verbindungsstelle zweier Teiltransportbander ist es möglich, den Zeitpunkt, zu dem ein neues Teiltransportband m die Entnahmeeinrichtung einfahrt, exakt zu erkennen.By using a sensor according to the invention to detect the connection point of two partial conveyor belts, it is possible to precisely recognize the point in time at which a new partial conveyor belt enters the removal device.
Die Verbindungsstelle zwischen zwei Teiltransportbandern weist vorzugsweise einen Metallstreifen auf. Demnach verwendet man besonders vorteilhafterwe se einen induktiven Sensor zur Erkennung der Verbindungsstelle.The connection point between two partial conveyor belts preferably has a metal strip. Accordingly, it is particularly advantageous to use an inductive sensor to detect the connection point.
Eine weitere vorteilhafte Ausgestaltung besteht darin, dieAnother advantageous embodiment is that
Verbindungsstelle durch eine Ausnehmung im Transportband oder durch einen reflektierenden Streifen zu markieren, wobei ein optischer Sensor zur Erkennung der Verbindungsstelle - im zweiten Fall zum Aufbau einer Reflexlichtschranke - verwendet wird. Der reflektierende Streifen ist beispielsweise als Klebestreifen ausgebildet, mit dem die Abdeckfolien der Teiltransportbander verbunden sind. Die Entnahmeeinrichtung ist als Anbringungsort für den Sensor zur Erkennung der Verbindungsstelle besonders gut geeignet, da in diesem Fall das Signal des Sensor direkt ausgewertet werden kann. In diesem Fall ist eine Anordnung zum Bestücken besonders vorteilhaft, bei der die Entnahmeeinrichtung ein Führungselement enthält, wodurch verhindert wird, daß das Transportband in Querrichtung verschoben wird.To mark the connection point by means of a recess in the conveyor belt or by means of a reflective strip, an optical sensor being used to identify the connection point - in the second case to set up a reflex light barrier. The reflective strip is designed, for example, as an adhesive strip to which the cover foils of the partial conveyor belts are connected. The removal device is particularly well suited as an attachment location for the sensor for recognizing the connection point, since in this case the signal from the sensor can be evaluated directly. In this case, an arrangement for loading is particularly advantageous in which the removal device contains a guide element, which prevents the conveyor belt from being displaced in the transverse direction.
Die erfindungsgemäße Anordnung zum Bestücken kann besonders vorteilhaft in einer Bestückeinrichtung für Leiterplatten verwendet werden, wobei die Bestuckelemente elektrische Bauteile sind, wobei die Entnahmeeinrichtung ein Bestückautomat ist, wobei das Transportband auf eine Vorratsrolle gewickelt ist und wobei die Verbindungsstellen durch Spleißen realisiert sind.The assembly according to the invention can be used particularly advantageously in an assembly device for printed circuit boards, the assembly elements being electrical components, the removal device being an automatic assembly machine, the conveyor belt being wound on a supply roll and the connection points being realized by splicing.
Im folgenden wird die Erfindung anhand von Ausführungsbeispielen und den dazugehörigen Figuren näher erläutert.The invention is explained in more detail below on the basis of exemplary embodiments and the associated figures.
Figur 1 zeigt zwei durch einen Metallstreifen verbundene Teiltransportbänder .Figure 1 shows two partial conveyor belts connected by a metal strip.
Figur 2 zeigt eine durch eine Ausnehmung markierteFigure 2 shows a marked by a recess
Verbindungsstelle zweier Teiltransportb nder.Connection point of two partial transport belts.
Figur 3 zeigt eine erfindungsgemäße Bestückeinrichtung für Leiterplatten im schematischen Längsschnitt.FIG. 3 shows an assembly device for printed circuit boards according to the invention in a schematic longitudinal section.
Figur 1 zeigt zwei durch einen Metallstreifen 4 miteinander verbundene Teiltransportbänder. Mit Hilfe der Transportlöcher 3 verschiebt eine Fördereinrichtung das Transportband 2 in Längsrichtung. Auf dem Transportband 2 sind Bestückelemente 1 angeordnet. Figur 2 zeigt eine durch eine Ausnehmung markierte Verbindungsstelle zweier Teiltransportbänder. Auf den Teiltransportbändern sind Bestückelemente 1 angeordnet. Die Verbindung der beiden Teiltransportbänder wird durch einen Spleißstreifen 6, der beispielsweise aus Kunststoff besteht, realisiert. Mit Hilfe der Transportlöcher 3 verschiebt die Fördereinrichtung das Transportband 2 in Längsrichtung. Zum dargestellten Zeitpunkt befindet sich unterhalb der V- förmigen Ausnehmung ein optischer Sensor 5 zur Erkennung der Verbindungsstelle. Alternativ könnte auch der Spleißstreifen 6 reflektierend ausgebildet sein, damit dieser durch einen - nicht dargestellten - Reflexlichtsensor erkannt wird.Figure 1 shows two partial conveyor belts interconnected by a metal strip 4. With the help of the transport holes 3, a conveyor device moves the conveyor belt 2 in the longitudinal direction. Placement elements 1 are arranged on the conveyor belt 2. FIG. 2 shows a connection point of two partial conveyor belts marked by a recess. Placement elements 1 are arranged on the partial conveyor belts. The connection of the two partial conveyor belts is realized by a splice strip 6, which consists for example of plastic. With the help of the transport holes 3, the conveyor moves the conveyor belt 2 in the longitudinal direction. At the time shown, an optical sensor 5 for detecting the connection point is located below the V-shaped recess. Alternatively, the splice strip 6 could also be designed to be reflective, so that it is recognized by a reflective light sensor (not shown).
Figur 3 zeigt eine Bestückeinrichtung für Leiterplatten im schematischen Längsschnitt, wobei das Transportband 2 mit Hilfe der Fördereinrichtung 10 von einer Vorratsrolle 7 abgewickelt wird. Zwischen Vorratsrolle 7 und Fördereinrichtung 10 befindet sich der Bestückautomat 8, der dem Transportband 2 die Bestückelemente entnimmt. Die Fördereinrichtung 10 weist ein Indexrad 9 auf, welches durch in die Transportlöcher eingreifende Zähne das Transportband verschiebt. Der optische Sensor 5 kann vorzugsweise in der Fördereinrichtung 10 oder nahe beim Bestückautomat 8 angeordnet sein. In unmittelbarer Nähe des am Bestückautomaten 8 angeordneten optischen Sensors befindet sich ein weiteres Indexrad 9, das das Transportband 2 in Querrichtung in einer definierten Position hält.FIG. 3 shows an assembly device for printed circuit boards in a schematic longitudinal section, the conveyor belt 2 being unwound from a supply roll 7 with the aid of the conveyor device 10. The placement machine 8, which removes the placement elements from the conveyor belt 2, is located between the supply roll 7 and the conveyor device 10. The conveyor device 10 has an index wheel 9, which moves the conveyor belt by teeth engaging in the transport holes. The optical sensor 5 can preferably be arranged in the conveyor device 10 or close to the placement machine 8. In the immediate vicinity of the optical sensor arranged on the placement machine 8 there is a further index wheel 9 which holds the conveyor belt 2 in a defined position in the transverse direction.
Die Erfindung beschränkt sich nicht auf die beispielhaft gezeigten Ausführungsformen sondern wird in ihrer allgemeinsten Form durch Anspruch 1 definiert. The invention is not limited to the exemplary embodiments shown but is defined in its most general form by claim 1.

Claims

Patentansprüche claims
1. Anordnung zum Bestücken, -umfassend ein Bestückelemente (1) enthaltendes Transportband (2), eine Fördereinrichtung (10), die das Transportband (2) in Längsrichtung verschiebt und eine Entnahmeeinrichtung (8), die die Bestückelemente (1) dem Transportband (2) entnimmt, bei der das Transportband (2) aus mindestens zwei Teiltransportbändern besteht, die an einer Verbindungsstelle zusammenhängen, und bei der ein Sensor (5) zur Erkennung der Verbindungsstelle vorgesehen ist.1. Arrangement for loading, comprising a conveyor belt (2) containing placement elements (1), a conveyor device (10) that moves the conveyor belt (2) in the longitudinal direction and a removal device (8) that transfers the placement elements (1) to the conveyor belt ( 2), in which the conveyor belt (2) consists of at least two partial conveyor belts which are connected at a connection point, and in which a sensor (5) is provided for detecting the connection point.
Anordnung nach Anspruch 1, bei der die Verbindungsstelle einen Metallstreifen (4) enthält und bei der der Sensor (5) ein induktiver Sensor ist.Arrangement according to Claim 1, in which the connection point contains a metal strip (4) and in which the sensor (5) is an inductive sensor.
3. Anordnung nach Anspruch 1, bei der die Verbindungsstelle durch eine Ausnehmung im Transportband (2) oder durch einen reflektierenden Streifen markiert ist und bei der der Sensor (5) ein optischer Sensor ist.3. Arrangement according to claim 1, wherein the connection point is marked by a recess in the conveyor belt (2) or by a reflective strip and in which the sensor (5) is an optical sensor.
4. Anordnung nach Anspruch 1 bis 3, bei der die Entnahmeeinrichtung ein Führungselement (9) enthält, das das Transportband (2) in Querrichtung in einer definierten Position hält.4. Arrangement according to claim 1 to 3, wherein the removal device contains a guide element (9) which holds the conveyor belt (2) in the transverse direction in a defined position.
5. Verwendung der Anordnung nach einem der Ansprüche 1 bis 4 in einer Bestückeinrichtung für Leiterplatten, bei der die Bestückelemente (1) elektrische Bauteile sind, bei der die Entnahmeeinrichtung ein Bestückautomat (8) ist, bei der das Transportband (2) auf eine Vorratsrolle (7) gewickelt ist, und bei der die Verbindungsstellen Spleißstellen sind. 5. Use of the arrangement according to one of claims 1 to 4 in an assembly device for printed circuit boards, in which the assembly elements (1) are electrical components, in which the removal device is an assembly machine (8), in which the conveyor belt (2) on a supply roll (7) is wound, and in which the connection points are splices.
PCT/DE2000/002103 1999-06-28 2000-06-28 Insertion arrangement and use thereof WO2001001747A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19929596.4 1999-06-28
DE19929596A DE19929596A1 (en) 1999-06-28 1999-06-28 Arrangement for assembly and their use

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WO2001001747A1 true WO2001001747A1 (en) 2001-01-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019146033A1 (en) * 2018-01-25 2019-08-01 株式会社Ｆｕｊｉ Splicing device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3231300A1 (en) * 1982-08-23 1984-02-23 Siemens AG, 1000 Berlin und 8000 München Method of joining two ends of a cupped belt
US4653664A (en) * 1983-07-01 1987-03-31 Sanyo Electric Co Automatic component mounting apparatus
EP0859543A2 (en) * 1997-02-18 1998-08-19 Zevatech Trading AG Method for supplying parts to a mounting machine and supply unit and mounting appatatus that make use of the method
EP0967851A1 (en) * 1998-06-24 1999-12-29 FUJI MACHINE Mfg. Co., Ltd. Electric component supplying apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3231300A1 (en) * 1982-08-23 1984-02-23 Siemens AG, 1000 Berlin und 8000 München Method of joining two ends of a cupped belt
US4653664A (en) * 1983-07-01 1987-03-31 Sanyo Electric Co Automatic component mounting apparatus
EP0859543A2 (en) * 1997-02-18 1998-08-19 Zevatech Trading AG Method for supplying parts to a mounting machine and supply unit and mounting appatatus that make use of the method
EP0967851A1 (en) * 1998-06-24 1999-12-29 FUJI MACHINE Mfg. Co., Ltd. Electric component supplying apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019146033A1 (en) * 2018-01-25 2019-08-01 株式会社Ｆｕｊｉ Splicing device

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