EP0672359B1 - Device to convey parts for assembly - Google Patents
Device to convey parts for assembly Download PDFInfo
- Publication number
- EP0672359B1 EP0672359B1 EP95102128A EP95102128A EP0672359B1 EP 0672359 B1 EP0672359 B1 EP 0672359B1 EP 95102128 A EP95102128 A EP 95102128A EP 95102128 A EP95102128 A EP 95102128A EP 0672359 B1 EP0672359 B1 EP 0672359B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plunger
- feed
- parts
- slider crank
- carriage
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/10—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
- B30B1/14—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism operated by cams, eccentrics, or cranks
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H37/00—Machines, appliances or methods for setting fastener-elements on garments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
- Y10T74/18248—Crank and slide
- Y10T74/18256—Slidable connections [e.g., scotch yoke]
Definitions
- the invention relates to a device for feeding assembly parts at least one upper or lower tool of an assembly machine for loading or Processing of the assembly parts, with the upper and lower tools are movable relative to each other between a working and a resting position, the assembly parts for each tool via a feed channel are fed by means of a feed tappet, and the feed ram is located on a ram (US-A-3 069 688).
- Such devices for feeding assembly parts are known per se. They are used especially in machines for riveting, snap fasteners or the like is used.
- a generic Device for feeding assembly parts in the WO 93/12680 (& DE-A-42 25 264) describe. Accordingly, a spring-loaded lever with a boom on one arranged on a stroke-controlled upper tool arranged guideway and is counteracted by the movement of the upper punch against the spring force pressed into a rear position. With this movement, a sled becomes moved to a retracted position, on which plungers are arranged. If the stroke-controlled upper punch returns to its upper position, the Lever pulled and moved to a forward position due to the spring load the carriage also in a forward position.
- the plungers then bounce on the assembly parts held ready in feed channels and guide them to the Upper and / or lower tool or the holding tools arranged thereon to.
- the feed rams are in a far behind the point of use current position. This results in the high Return speed of the lever a significant impact speed of the ram on the assembly parts to be fed. Because of this impact the parts are damaged in an undesirable manner and it becomes high Committee produces.
- the masses need to be in accordingly short distances to travel, so that a lot of energy is required for operation is. If you want, for example, by a corresponding lever arrangement if you shorten these distances, the insertion time is automatically reduced.
- the present invention is based on the object, the effect to improve a device for the supply of assembly parts of the generic type in that the structure is simplified, the maintenance, the susceptibility to wear and the adjustment or coordination requirements are reduced and the onset time varied by simple means is.
- the feed plunger can be moved back and forth in the plunger longitudinal direction by means of a push crank.
- the feed ram movement in primarily independent of the movement of the tools, so the possibility is improved to vary the movements. So the feed path be reduced by the arrangement of a corresponding push crank, so that the speed of impact of the feed plunger on the provided Item is smaller. Furthermore, do not need as many masses at high speeds to be moved so that the energy consumption is significantly reduced becomes. In addition, the maintenance and coordination efforts decreased.
- the ram can be moved back and forth by means of a centric push crank is.
- the central arrangement of the push crank avoids the use of the more susceptible and linkage to be adjusted.
- the centric is advantageously used Slider crank below the pusher carriage between the front and rear Reversal points arranged.
- This is particularly advantageous Connection between the push crank and the ram from one to the Thrust crank arranged roller, which is arranged in a on the ram Leading curve expires, the width of the orbit of the roller corresponds.
- Such cranks are called cross-slide cranks, which in the case of the present invention with a curve in the form of a locking gear be combined.
- the guide curve advantageously has a radius.
- the radius of the guide curve is such that the roller is in one of the reversing positions without transmission of thrust runs over an angle f. This measure makes it possible to take a break of the ram in one of the two reversing positions.
- the center point of the radius of the guide curve lies between the Guide curve and the plunger, so that there is a rest in the rear reverse position results.
- the radius length is advantageously adjustable. For example this can be achieved by adjustable guideway backdrops.
- the sliding crank is a disc, which according to a proposal of the invention in a gear chain of a drive wheel of the drive Attaching machine is driven.
- the ram is a sled, which in advantageously carries two plungers.
- the tappets on the tappet are advantageously in Guides used. This makes it easy to adjust and replace guaranteed.
- the plunger in the guides are arranged by means of a locking connection. Except of the easy interchangeability and adjustability can be achieved through the snap connection the plunger can be pushed into the guide when it is on a Obstacle hits. The destruction of machine parts due to defective assembly parts is avoided by this detent.
- the locking connection is advantageous formed by a spring-loaded locking cam.
- the locking cam snaps according to a proposal of the invention in a locking groove. In the pestle is a good one Tappet guidance with simultaneous safety release guaranteed.
- the ram is a switch stop, through which in one of the reverse positions a switch is operated.
- This switch stop actuates one, for example Part lock, several according to a proposal of the invention Part locks can be selected.
- the push rod reaches its rear Position, the switch is closed and one of several options selected assembly part lock opened.
- the assembly part is released and provided in the feed channel until the ram is moved to the front position and the plunger feed the assembly parts to the tools.
- the simple control of the pusher carriage provided with the feed tappets via a push crank reduces the energy, assembly, adjustment and Maintenance expense of a device for feeding assembly parts and also reduces the speed at which the plunger hits the mounting parts to be supplied. It is easily possible that To control the ram so that the ram is directly behind the insertion point Feed channel reach its rearmost reverse position. The impact speed is then almost zero. The rest time required for inserting the parts is in a simple manner by the design of the radius Provide the provided guide curve on the ram. The movement speeds can move due to the shortened paths of the Parts are reduced.
- the schematic representation of a machine shown in Figure 1 for preparation of rivets, push buttons and the like shows the arrangement of a device for feeding assembly parts into the overall system.
- the attaching machine 1 comprises an upper tool 2 and a lower tool 3 as well a drive 4.
- the drive 4 becomes the coupling member 5 for the upper tool driven and via a lever 6 rotating about an axis 7 and one Link arm 8 and a plunger of the upper punch 9 moves up and down.
- a holding tool 10 is arranged in the area of the upper punch 9.
- a spring 12 in a retracted position is biased, via a gear disc 13 with which a cam 14 is connected, also stroke-controlled by a lever 16.
- Feed rams 19 are arranged on a ram 20 which is advanced by means of a push crank 21 and is withdrawn.
- the slide crank 21 a roller 23 arranged in a guide curve 22 of the ram expires.
- the guide curve 22 has a radius so that practically no power transmission within an angle f that is adjustable take place between the roller 23 and the ram 20. This will defines the rest time in which the ram 20 without feed in one Reverse positions persisted. This rest period can be used to insert assembly parts can be used in feed channels, not shown.
- the ram 20 has in the embodiment shown, two tappet guides 24, in which Ram 19 are used. For this purpose protrude into the tappet guides 24 Locking cams 25.
- the locking cams 25 are through the springs 26 are spring-loaded and are preloaded by an adjusting bolt 27 or penetration depth adjustable.
- On the plungers 19 are corresponding Locking grooves 28 formed.
- the locking cams are by cylindrical rollers, dowel pins or arranged at the lower end Balls 29 formed, which engage in the locking grooves 28 of the feed plunger 19.
- the tappet 19 in the plunger guide 24 is pushed in.
- stop pins 35 causes the plunger 19 to be pushed back into its locking position when the ram 20 moves to the rear reverse position.
- the ram 20 is advantageously by a with a guide curve provided plate, on which by the application of im essential angled parts tappet guides are formed.
- tappet guides are formed.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Press Drives And Press Lines (AREA)
- Portable Nailing Machines And Staplers (AREA)
Description
Die Erfindung betrifft eine Vorrichtung für die Zuführung von Montageteilen zu wenigstens einem Ober- oder Unterwerkzeug einer Montagemaschine zur Be- oder Verarbeitung der Montage-teile, wobei die Ober- und Unterwerkzeuge zwischen einer Arbeits- und einer Ruheposition relativ zueinander bewegbar sind, die Montageteile dem jeweiligen Werkzeug jeweils über einen Zuführkanal mittels eines Zuführstößels zugeführt werden, und der Zuführstößel an einem Stößelwagen angeordnet ist (US-A-3 069 688).The invention relates to a device for feeding assembly parts at least one upper or lower tool of an assembly machine for loading or Processing of the assembly parts, with the upper and lower tools are movable relative to each other between a working and a resting position, the assembly parts for each tool via a feed channel are fed by means of a feed tappet, and the feed ram is located on a ram (US-A-3 069 688).
Derartige Vorrichtungen für die Zuführung von Montageteilen sind an sich bekannt. Sie werden insbesondere in Maschinen zum Ansetzen von Nieten, Druckknöpfen oder dergleichen verwendet. Beispielsweise ist eine gattungsgemäße Vorrichtung für die Zuführung von Montageteilen in der WO 93/12680 (& DE-A-42 25 264) beschreiben. Demgemäß ist ein federbelasteter Hebel mit einem Ausleger an einer an einem hubgesteuerten Oberwerkzeug angeordneten Führungsbahn angeordnet und wird durch die Abbewegung des Oberstempels entgegen der Federkraft in eine hintere Position gedrückt. Durch diese Bewegung wird ein Schlitten in eine zurückgezogene Position bewegt, an welchem Stößel angeordnet sind. Fährt der hubgesteuerte Oberstempel in seine obere Position zurück, wird der Hebel aufgrund der Federbelastung in eine vordere Position gezogen und bewegt dabei den Schlitten ebenfalls in eine vordere Position. Die Stößel prallen dann auf die in Zuführkanälen bereitgehaltenen Montageteile und führen diese dem Ober- und/oder Unterwerkzeug bzw. den daran angeordneten Haltewerkzeugen zu. Um ausreichend Zeit für das Einsetzen von Montageteilen in die Zuführkanäle zu haben, werden die Zuführstößel in eine weit hinter der Einsatzstelle befindliche Position zurückgeführt. Dadurch ergibt sich aufgrund der hohen Rückführgeschwindigkeit des Hebels eine erhebliche Aufprallgeschwindigkeit des Stößels auf die zuzuführenden Montageteile. Durch diesen Aufprall können die Teile in ungewünschter Weise beschädigt werden und es wird ein hoher Ausschuß produziert. Darüber hinaus müssen die Massen in entsprechend kurzer Zeit große Wege zurücklegen, so daß viel Energie für den Betrieb erforderlich ist. Will man beispielsweise durch eine entsprechende Hebelanordnung diese Wege verkürzen, verkürzt sich automatisch die Einsetzzeit. Weiterhin müssen viele Teile relativ zueinander positioniert, eingestellt und abgestimmt werden. Auch ist keine Steuerung oder einfache Variation der Einsetzzeit möglich. Aufgrund bestimmter Schalteranordnungen erfolgt eine Abschaltung, wenn der Vorschub der Stößel behindert ist. Aufgrund der hohen Beschleunigung bedarf es dazu jedoch bereits erheblicher Behinderungen. Nur leicht deformierte Teile oder dergleichen werden trotzdem zugeführt. Eine Einstellung dieser Reaktionskraft ist ebenfalls nicht möglich.Such devices for feeding assembly parts are known per se. They are used especially in machines for riveting, snap fasteners or the like is used. For example, is a generic Device for feeding assembly parts in the WO 93/12680 (& DE-A-42 25 264) describe. Accordingly, a spring-loaded lever with a boom on one arranged on a stroke-controlled upper tool arranged guideway and is counteracted by the movement of the upper punch against the spring force pressed into a rear position. With this movement, a sled becomes moved to a retracted position, on which plungers are arranged. If the stroke-controlled upper punch returns to its upper position, the Lever pulled and moved to a forward position due to the spring load the carriage also in a forward position. The plungers then bounce on the assembly parts held ready in feed channels and guide them to the Upper and / or lower tool or the holding tools arranged thereon to. To allow sufficient time for the installation of assembly parts in the feed channels to have, the feed rams are in a far behind the point of use current position. This results in the high Return speed of the lever a significant impact speed of the ram on the assembly parts to be fed. Because of this impact the parts are damaged in an undesirable manner and it becomes high Committee produces. In addition, the masses need to be in accordingly short distances to travel, so that a lot of energy is required for operation is. If you want, for example, by a corresponding lever arrangement if you shorten these distances, the insertion time is automatically reduced. Furthermore, many parts have to be positioned, adjusted and adjusted relative to each other become. There is also no control or simple variation of the onset time possible. Shutdown occurs due to certain switch arrangements if the feed of the plunger is blocked. Because of the high However, acceleration requires considerable disabilities. Just slightly deformed parts or the like are still fed. An attitude this reaction force is also not possible.
Aufgrund der mit hohen Geschwindigkeiten bewegten Massen sind die vorbekannten Vorrichtungen für die Zuführung von Montageteilen wartungsaufwendig und unterliegen einem hohen Verschleiß.Because of the masses moving at high speeds, they are known Devices for feeding assembly parts require high maintenance and are subject to high wear.
Davon ausgehend liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine Vorrichtung für die Zuführung von Montageteilen der gattungsgemäßen Art dahingehend zu verbessern, daß der Aufbau vereinfacht, der Wartungsaufwand, die Verschleißanfälligkeit und der Einstellungs- bzw. Abstimmungsbedarf verringert werden und die Einsetzzeit mit einfachen Mitteln variierbar ist.Assuming the present invention is based on the object, the effect to improve a device for the supply of assembly parts of the generic type in that the structure is simplified, the maintenance, the susceptibility to wear and the adjustment or coordination requirements are reduced and the onset time varied by simple means is.
Zur technischen Lösung dieser Aufgabe wird vorgeschlagen, daß der Zuführstößel in Stößellängsrichtung mittels einer Schubkurbel hin- und herbewegbar ist.For the technical solution to this problem, it is proposed that the feed plunger can be moved back and forth in the plunger longitudinal direction by means of a push crank.
Durch die erfindungsgemäße Ausgestaltung wird die Zuführstößelbewegung in erster Linie unabhängig von der Bewegung der Werkzeuge, so daß die Möglichkeit zur Variation der Bewegungen verbessert wird. So kann der Zuführweg durch die Anordnung einer entsprechenden Schubkurbel verringert werden, so daß die Auftreffgeschwindigkeit des Zuführstößels auf die bereitgestellten Artikel kleiner ist. Weiterhin brauchen nicht so viele Massen mit hohen Geschwindigkeiten bewegt zu werden, so daß der Energieaufwand erheblich verringert wird. Darüber hinaus sind der Wartungs- und der Abstimmungsaufwand verringert.Due to the configuration according to the invention, the feed ram movement in primarily independent of the movement of the tools, so the possibility is improved to vary the movements. So the feed path be reduced by the arrangement of a corresponding push crank, so that the speed of impact of the feed plunger on the provided Item is smaller. Furthermore, do not need as many masses at high speeds to be moved so that the energy consumption is significantly reduced becomes. In addition, the maintenance and coordination efforts decreased.
Gemäß einer vorteilhaften Ausgestaltung der Erfindung wird vorgeschlagen, daß der Stößelwagen mittels einer zentrischen Schubkurbel hin- und herbewegbar ist. Die zentrische Anordnung der Schubkurbel vermeidet die Verwendung anfälliger und abzustimmender Gestänge. In vorteilhafter Weise wird die zentrische Schubkurbel unterhalb des Stößelwagens zwischen den vorderen und hinteren Umkehrpunkten angeordnet. In besonders vorteilhafter Weise besteht die Verbindung zwischen der Schubkurbel und dem Stößelwagen aus einer an der Schubkurbel angeordneten Laufrolle, die in einer am Stößelwagen angeordneten Führungskurve abläuft, deren Breite der Umlaufkreisbahn der Laufrolle entspricht. Derartige Kurbeln werden Kreuzschubkurbeln genannt, die im Falle der vorliegenden Erfindung mit einer Kurve in Form eines Rastgetriebes kombiniert werden. Man spricht auch von Kreuzschubkurbeln mit Rast. Durch diese einfache Ausgestaltung ist die Anzahl der relativ zueinander bewegten Teile erheblich verringert. Darüber hinaus können eine Vielzahl drehender Teile eingesetzt werden, welche grundsätzlich eine bessere Einstell- und Abstimmöglichkeit bieten, gute Kraftübertragungen bereitstellen und wartungsunanfällig sind. In vorteilhafter Weise hat die Führungskurve einen Radius. Gemäß einem Vorschlag der Erfindung ist der Radius der Führungskurve derart, daß die Laufrolle ohne Schubkraftübertragung in einer der Umkehrpositionen über einen Winkel f abläuft. Durch diese Maßnahme ist es möglich, die Rastzeit des Stößelwagens in einer der beiden Umkehrpositionen festzulegen. In vorteilhafter Weise liegt der Mittelpunkt des Radius der Führungskurve zwischen der Führungskurve und den Stößeln, so daß sich eine Rastzeit in der hinteren Umkehrposition ergibt. Die Radiuslänge ist in vorteilhafter Weise einstellbar. Beispielsweise kann dies durch verstellbare Führungsbahnkulissen bewirkt werden.According to an advantageous embodiment of the invention it is proposed that the ram can be moved back and forth by means of a centric push crank is. The central arrangement of the push crank avoids the use of the more susceptible and linkage to be adjusted. The centric is advantageously used Slider crank below the pusher carriage between the front and rear Reversal points arranged. This is particularly advantageous Connection between the push crank and the ram from one to the Thrust crank arranged roller, which is arranged in a on the ram Leading curve expires, the width of the orbit of the roller corresponds. Such cranks are called cross-slide cranks, which in the case of the present invention with a curve in the form of a locking gear be combined. One speaks also of cross thrust cranks with rest. By this simple configuration is the number of those moved relative to one another Parts significantly reduced. In addition, a variety of rotating parts are used, which is basically a better setting and tuning option offer, good power transmissions and maintenance-free are. The guide curve advantageously has a radius. According to a proposal of the invention, the radius of the guide curve is such that the roller is in one of the reversing positions without transmission of thrust runs over an angle f. This measure makes it possible to take a break of the ram in one of the two reversing positions. In advantageous Way, the center point of the radius of the guide curve lies between the Guide curve and the plunger, so that there is a rest in the rear reverse position results. The radius length is advantageously adjustable. For example this can be achieved by adjustable guideway backdrops.
In vorteilhafter Weise ist die Schubkurbel eine Scheibe, die gemäß einem Vorschlag der Erfindung in einer Getriebekette von einem Treibrad des Antriebs der Ansetzmaschine angetrieben wird.Advantageously, the sliding crank is a disc, which according to a proposal of the invention in a gear chain of a drive wheel of the drive Attaching machine is driven.
Gemäß einem Vorschlag der Erfindung ist der Stößelwagen ein Schlitten, der in vorteilhafter Weise zwei Stößel trägt. Somit können bei einer Vorwärtsbewegung sowohl dem Ober- als auch dem Unterwerkzeug Montageteile zugeführt werden. In vorteilhafter Weise sind die Stößel am Stößelwagen in Führungen eingesetzt. Dadurch wird eine leichte Einstellbarkeit und Auswechselbarkeit gewährleistet. Mit Vorteil wird vorgeschlagen, daß die Stößel in den Führungen mittels einer Rastverbindung angeordnet werden. Abgesehen von der leichten Auswechselbarkeit und Einstellbarkeit kann durch die Rastverbindung der Stößel in die Führung hereingeschoben werden, wenn er auf ein Hindernis trifft. Die Zerstörung von Maschinenteilen durch defekte Montageteile wird durch diese Rastung vermieden. In vorteilhafter Weise wird die Rastverbindung durch einen federbelasteten Rastnocken gebildet. Der Rastnocken rastet gemäß einem Vorschlag der Erfindung in einer Rastnut. Im Stößel wird eine gute Stößelführung bei gleichzeitiger Sicherheitsauslösung gewährleistet.According to a proposal of the invention, the ram is a sled, which in advantageously carries two plungers. Thus, when moving forward Assembly parts are fed to both the upper and lower tools become. The tappets on the tappet are advantageously in Guides used. This makes it easy to adjust and replace guaranteed. It is advantageously proposed that the plunger in the guides are arranged by means of a locking connection. Except of the easy interchangeability and adjustability can be achieved through the snap connection the plunger can be pushed into the guide when it is on a Obstacle hits. The destruction of machine parts due to defective assembly parts is avoided by this detent. The locking connection is advantageous formed by a spring-loaded locking cam. The locking cam snaps according to a proposal of the invention in a locking groove. In the pestle is a good one Tappet guidance with simultaneous safety release guaranteed.
Gemäß einem vorteilhaften Vorschlag der Erfindung ist der Stößelwagen mit einem Schalteranschlag versehen, durch welchen in einer der Umkehrpositionen ein Schalter betätigt wird. Dieser Schalteranschlag betätigt beispielsweise eine Montageteilsperre, wobei gemäß einem Vorschlag der Erfindung mehrere Montageteilsperren anwählbar sind. Erreicht der Stößelwagen seine hintere Position, so wird der Schalter geschlossen und eine aus mehreren Möglichkeiten angewählte Montageteilsperre geöffnet. Das Montageteil wird freigegeben und im Zuführkanal bereitgestellt, bis der Stößelwagen in die vordere Position verschoben wird und die Stößel die Montageteile den Werkzeugen zuführen.According to an advantageous proposal of the invention, the ram is a switch stop, through which in one of the reverse positions a switch is operated. This switch stop actuates one, for example Part lock, several according to a proposal of the invention Part locks can be selected. The push rod reaches its rear Position, the switch is closed and one of several options selected assembly part lock opened. The assembly part is released and provided in the feed channel until the ram is moved to the front position and the plunger feed the assembly parts to the tools.
Die einfache Steuerung des mit den Zuführstößeln versehenen Stößelwagens über eine Schubkurbel verringert den Energie-, Montage-, Einstell- und Wartungsaufwand einer Vorrichtung für die Zuführung von Montageteilen und verringert darüber hinaus die Geschwindigkeit, mit welcher der Stößel auf die zuzuführenden Montageteile auftrifft. Es ist ohne weiteres möglich, den Stößelwagen so zu steuern, daß die Stößel direkt hinter der Einlegestelle am Zuführkanal ihre hinterste Umkehrposition erreichen. Die Auftreffgeschwindigkeit ist dann nahezu null. Die Rastzeit, die für das Einlegen der Teile erforderlich ist, läßt sich in einfacher Weise durch die Ausgestaltung der mit dem Radius versehenen Führungskurve am Stößelwagen bewerkstelligen. Die Bewegungsgeschwindigkeiten können aufgrund der verkürzten Wege der zu bewegenden Teile verringert werden.The simple control of the pusher carriage provided with the feed tappets via a push crank reduces the energy, assembly, adjustment and Maintenance expense of a device for feeding assembly parts and also reduces the speed at which the plunger hits the mounting parts to be supplied. It is easily possible that To control the ram so that the ram is directly behind the insertion point Feed channel reach its rearmost reverse position. The impact speed is then almost zero. The rest time required for inserting the parts is in a simple manner by the design of the radius Provide the provided guide curve on the ram. The movement speeds can move due to the shortened paths of the Parts are reduced.
Weitere Vorteile und Merkmale der Erfindung ergeben sich aus der folgenden Beschreibung anhand der Figuren. Dabei zeigen:
Figur 1- eine schematische Darstellung einer Maschine zum Ansetzen von Nieten, Druckknöpfen oder dergleichen;
Figur 2- eine schematische Darstellung eines Ausführungsbeispiels einer Zuführvorrichtung in der hinteren Umkehrposition und
- Figur 3
- eine Darstellung gemäß Figur 2 in der vorderen Umkehrposition.
- Figure 1
- a schematic representation of a machine for attaching rivets, push buttons or the like;
- Figure 2
- a schematic representation of an embodiment of a feed device in the rear reverse position and
- Figure 3
- a representation of Figure 2 in the front reverse position.
Die in Figur 1 gezeigte schematische Darstellung einer Maschine zum Ansetzen
von Nieten, Druckknöpfen und dergleichen zeigt die Einordnung einer Vorrichtung
für die Zuführung von Montageteilen in die Gesamtanlage. Die Ansetzmaschine
1 umfaßt ein Oberwerkzeug 2 und ein Unterwerkzeug 3 sowie
einen Antrieb 4. Durch den Antrieb 4 wird das Koppelglied 5 für das Oberwerkzeug
angetrieben und über einen um eine Achse 7 drehenden Hebel 6 und einen
Verbindungsarm 8 sowie einen Stößel der Oberstempel 9 auf- und abbewegt. Im
Bereich des Oberstempels 9 ist ein Haltewerkzeug 10 angeordnet. Der
Unterstempel 11, der durch eine Feder 12 in einer zurückgezogenen Position
vorgespannt ist, wird über eine Getriebescheibe 13, mit der eine Kurvenscheibe
14 verbunden ist, von einem Hebel 16 ebenfalls hubgesteuert. Am Hebel 16 ist
eine mit der Kurvenscheibe 14 zusammenwirkende Laufrolle 15 angeordnet, so
daß der Hebel 16 um die Achse 17 Kippbewegungen durchführt, die über die
Lauf-rolle 18 auf den Unterstempel 11 übertragen werden. Zuführstößel 19 sind
an einem Stößelwagen 20 angeordnet, der mittels einer Schubkurbel 21 vorgeschoben
und zurückgezogen wird. Zu diesem Zwecke ist an der Schubkurbel 21
eine Laufrolle 23 angeordnet, die in einer Führungskurve 22 des Stößelwagens
abläuft.The schematic representation of a machine shown in Figure 1 for preparation
of rivets, push buttons and the like shows the arrangement of a device
for feeding assembly parts into the overall system. The attaching
Wie Figuren 2 und 3 zeigen, hat die Führungskurve 22 einen Radius, so daß
innerhalb eines Winkels f, der einstellbar ist, praktisch keine Kraftübertragungen
zwischen der Laufrolle 23 und dem Stößelwagen 20 stattfinden. Dadurch wird
die Rastzeit definiert, in welcher der Stößelwagen 20 ohne Vorschub in einer
Umkehrpositionen verharrt. Diese Rastzeit kann zum Einsetzen von Montageteilen
in nicht gezeigte Zuführkanäle genutzt werden. Der Stößelwagen 20 weist
im gezeigten Ausführungsbeispiel zwei Stößelführungen 24 auf, in welchen
Stößel 19 eingesetzt sind. Zu diesem Zwecke ragen in die Stößelführungen 24
Rastnocken 25. Im gezeigten Ausführungsbeispiel sind die Rastnocken 25 durch
die Federn 26 federbelastet und durch einen Einstellbolzen 27 in ihrer Vorspannung
bzw. Eindringtiefe einstellbar. An den Stößeln 19 sind entsprechend
Rastnuten 28 ausgebildet. Im gezeigten Ausführungsbeispiel sind die Rastnocken
durch am unteren Ende angeordnete Zylinderrollen, Paßstifte oder
Kugeln 29 gebildet, die in die Rastnuten 28 der Zuführstößel 19 eingreifen. Bei
Erreichen einer bestimmten Kraft an der Stößelvorderkante wird der Stößel 19 in
die Stößelführung 24 hineingedrückt. Durch die Anordnung von Anschlagstiften
35 wird bewirkt, daß die Stößel 19 wieder in ihre Rastposition zurückgeschoben
werden, wenn sich der Stößelwagen 20 in die hintere Umkehrposition bewegt.As FIGS. 2 and 3 show, the
Erreicht der Stößelwagen die hintere Umkehrposition, schlägt er gegen einen
Schalter 31 an und schließt einen Schaltkreis. Die über einen Wählschalter 34
ausgewählte Artikelsperre 32 oder 33 öffnet dann und gibt ein Teil frei, welches
im Zuführkanal bereitgestellt wird. Während dieser Zeit verharrt der Stößelwagen
in seiner hinteren Position und die Laufrolle 23 bewegt sich ohne die
Übertragung von Vorschubkräften durch die Führungskurve 22. Bei Erreichen
des entsprechenden Endpunktes überträgt die von der zentralen Schubkurbel 21
getriebene Laufrolle 23 wieder Vorschubkräfte auf den Stößelwagen 20 und
bewegt diesen in die vordere Umkehrposition. Die Stößel, die nur bis kurz hinter
die Einlegeposition im Zuführkanal zurückgezogen sind, wenn der Stößelwagen
20 in seiner hinteren Umkehrposition ist, nehmen praktisch bei Beginn des Vorschubs
die eingelegten Artikel mit. Beim Auftreffen auf die Artikel ist die Geschwindigkeit
des Stößels nur sehr gering, da er keine Beschleunigungswege
hatte.When the pusher reaches the rear reversal position, it hits against you
Switch 31 on and closes a circuit. The via a
Der Stößelwagen 20 ist in vorteilhafter Weise durch eine mit einer Führungskurve
versehene Platte gebildet, auf welcher durch das Aufbringen von im
wesentlichen winkligen Teilen Stößelführungen gebildet sind. Für beide Stößelführungen
können im wesentlichen die gleichen Teile verwendet werden. The
- 11
- AnsetzmaschineAttaching machine
- 22nd
- OberwerkzeugUpper tool
- 33rd
- UnterwerkzeugLower tool
- 44th
- Antriebdrive
- 55
- Hubsteuerkurbel OberwerkzeugLift control crank upper tool
- 66
- Hebellever
- 77
- Achseaxis
- 88th
- VerbindungsarmConnecting arm
- 99
- OberstempelUpper stamp
- 1010th
- HaltewerkzeugHolding tool
- 1111
- UnterstempelLower stamp
- 1212th
- Federfeather
- 1313
- GetriebescheibeGear washer
- 1414
- KurvenscheibeCam
- 1515
- LaufrolleRoller
- 1616
- Hebellever
- 1717th
- Achseaxis
- 1818th
- LaufrolleRoller
- 1919th
- ZuführstößelFeed ram
- 2020th
- StößelwagenRam
- 2121
- SchubkurbelSliding crank
- 2222
- FührungskurveLeadership curve
- 2323
- LaufrolleRoller
- 2424th
- StößelführungRam guide
- 2525th
- RastnockenLocking cams
- 2626
- Federfeather
- 2727
- EinstellbolzenAdjusting bolt
- 2828
- RastnutLocking groove
- 2929
- Zylinderrollen, Paßstifte oder KugelnCylindrical rollers, dowel pins or balls
- 3030th
- Winkel fAngle f
- 3131
- Schaltercounter
- 3232
- ArtikelsperreArticle lock
- 3333
- ArtikelsperreArticle lock
- 3434
- WählschalterSelector switch
- 3535
- AnschlagstiftStop pin
Claims (19)
- Device for feeding parts to be fitted to at least one top or bottom tool (2, 3) of a machine for fitting work for the treatment or processing of the parts to be fitted, the top and bottom tools being movable relative to one another between a working position and a rest position, the parts to be fitted being fed to the respective tool in each case via a feed passage by means of a feed plunger (19), and the feed plunger (19) being arranged on a plunger carriage (20), characterized in that the plunger carriage (20) is movable in a reciprocating manner in the longitudinal direction of the plunger by means of a slider crank (21).
- Device according to Claim 1, characterized in that the slider crank is a centric slider crank (21).
- Device according to Claim 2, characterized in that the slider crank (21) is arranged below the plunger carriage (20) between the front and rear reversal points.
- Device according to one of the preceding claims, characterized in that the connection between the slider crank (21) and the plunger carriage is formed by a roller (23) movable in a guide cam (22) arranged on the plunger carriage (20), the extension of the guide cam (22) corresponding, transversely to the direction of movement, to at least the diameter of the orbital circle of the roller (23).
- Device according to Claim 4, characterized in that the guide cam (22) runs in a radius.
- Device according to Claim 5, characterized in that the radius is such that the roller (23), in a reversal position, runs without transmission of thrust force in the guide cam (22).
- Device according to Claim 6, characterized in that the radius enables the roller (23) to run in the guide cam (22) in the rear reversal position.
- Device according to one of Claims 5 to 7, characterized in that the radius length is adjustable.
- Device according to one of the preceding claims, characterized in that the slider crank (21) is a disc.
- Device according to Claim 9, characterized in that the slider crank (21) is arranged on a drive-mechanism disc.
- Device according to one of the preceding claims, characterized in that the plunger carriage (20) is a slide.
- Device according to one of the preceding claims, characterized in that two feed plungers (19) are arranged on the plunger carriage (20).
- Device according to one of the preceding claims, characterized in that the plungers (19) on the plunger carriage (20) are inserted into guides (24).
- Device according to Claim 13, characterized in that the feed plungers (19) are fixed in the guides (24) by means of a catch connection.
- Device according to Claim 14, characterized in that the catch connection is formed by spring-loaded catch projections (25).
- Device according to either of Claims 14 or 15, characterized in that a catch groove (28) is formed in the feed plunger (19).
- Device according to one of the preceding claims, characterized in that the plunger carriage (20) has a switch limit stop.
- Device according to Claim 17, characterized in that a barrier (32, 33) for the parts to be fitted is operated by the switch limit stop.
- Device according to Claim 18, characterized in that one of several barriers (32, 33) for parts to be fitted can be selected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4408694 | 1994-03-15 | ||
| DE4408694A DE4408694C1 (en) | 1994-03-15 | 1994-03-15 | Device for feeding fasteners |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| EP0672359A2 EP0672359A2 (en) | 1995-09-20 |
| EP0672359A3 EP0672359A3 (en) | 1996-06-19 |
| EP0672359B1 true EP0672359B1 (en) | 1999-04-07 |
| EP0672359B2 EP0672359B2 (en) | 2004-12-08 |
Family
ID=6512800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95102128A Expired - Lifetime EP0672359B2 (en) | 1994-03-15 | 1995-02-16 | Device to convey parts for assembly |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5588326A (en) |
| EP (1) | EP0672359B2 (en) |
| JP (1) | JPH07316911A (en) |
| KR (1) | KR0151714B1 (en) |
| BR (1) | BR9501072A (en) |
| DE (2) | DE4408694C1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103504680A (en) * | 2013-10-23 | 2014-01-15 | 福建省石狮市华联服装配件企业有限公司 | Novel fastener-holing machine with improved material pushing mechanism |
| CN103519467A (en) * | 2013-10-23 | 2014-01-22 | 福建省石狮市华联服装配件企业有限公司 | Novel grommet machine |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19607296A1 (en) * | 1996-02-27 | 1997-08-28 | Kodak Ag | Stitching device for fastening stack-shaped sheets |
| DE19822779C1 (en) * | 1998-05-20 | 1999-11-11 | Stocko Fasteners Gmbh | Attaching machine |
| DE29815610U1 (en) * | 1998-09-02 | 2000-01-13 | Miederhoff Franz Fa | Device for inserting parts held together by means of a rivet bond, such as eyelets in a textile or plastic sheet |
| US6330835B1 (en) | 2000-01-06 | 2001-12-18 | U.S. Filter Corporation | Scotch yoke mechanism for secure track sliding |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2735567A (en) * | 1956-02-21 | carpinella | ||
| GB1051361A (en) * | 1900-01-01 | |||
| US1373500A (en) * | 1916-06-16 | 1921-04-05 | United Shoe Machinery Corp | Gromet-setting machine |
| US1349661A (en) * | 1919-09-12 | 1920-08-17 | Bulkrug Machine Corp | Cam |
| GB368581A (en) * | 1930-05-03 | 1932-03-10 | Gaston Ernest Gobin Daude | Improvements in machines for securing two-part rivets in pieces of leather or like material |
| US1967662A (en) * | 1932-11-14 | 1934-07-24 | Universal Button Fastening & B | Button attaching machine |
| US2559278A (en) * | 1944-10-18 | 1951-07-03 | Remington Arms Co Inc | Machine for assembling ammunition components, including resistance wire |
| US2939145A (en) * | 1956-05-28 | 1960-06-07 | Ind Dev Corp | Eye setting machine |
| US3069688A (en) * | 1961-07-27 | 1962-12-25 | North & Judd Mfg Co | Fastener setting machine |
| DE2533020B2 (en) * | 1975-07-24 | 1977-07-21 | Stocko Metallwarenfabriken Henkels Und Sohn, 5600 Wuppertal | DEVICE FOR ATTACHING FASTENING ELEMENTS, IN PARTICULAR PUSH BUTTON PARTS |
| US4019666A (en) * | 1975-11-10 | 1977-04-26 | Scovill Manufacturing Company | Fastener attaching machine having means for orienting caps, buttons, and the like |
| DE2732931A1 (en) * | 1977-07-21 | 1979-02-01 | Schaeffer Homberg Gmbh | MACHINE FOR PUTTING RIVETS, BUTTONS OR DGL. |
| BR7804690A (en) * | 1977-07-21 | 1979-02-06 | Schaefer Homberg Gmbh | MACHINE FOR THE APPLICATION OF RIVETS, BUTTONS AND SIMILARS |
| US4122988A (en) * | 1977-10-17 | 1978-10-31 | Rohr Industries, Inc. | Pierce rivet machine |
| DE2939262A1 (en) * | 1979-09-28 | 1981-04-09 | Schaeffer-Homberg Gmbh, 5600 Wuppertal | MACHINE FOR PUTTING WITH HANDLES OR THE LIKE EQUIPPED BUTTONS |
| DE3128009C2 (en) * | 1981-07-15 | 1986-12-04 | Trak Sportartikel GmbH, 8028 Taufkirchen | Cross-country skis with a binding |
| JPS5911684A (en) * | 1982-07-13 | 1984-01-21 | Toyo Electric Mfg Co Ltd | Forming method for buried gate of semiconductor device |
| US4552297A (en) * | 1983-07-22 | 1985-11-12 | Belanger, Inc. | Rotatable reloading apparatus for a stapler |
| DE3501224A1 (en) * | 1985-01-16 | 1986-07-17 | William Prym-Werke GmbH & Co KG, 5190 Stolberg | RIVET PRESS FOR FASTENING A CLOSING FUNCTION PART, IN PARTICULAR PUSH BUTTON PART, ON A CARRIER SHEET, LIKE A CLOTHING PIECE |
| JPS6273576A (en) * | 1985-09-27 | 1987-04-04 | Hitachi Ltd | Fuel cell |
| JPS6413369A (en) * | 1987-07-07 | 1989-01-18 | Nec Corp | Carrier tape insertion mechanism of chip parts |
| US4853115A (en) * | 1988-07-20 | 1989-08-01 | Dorr-Oliver Incorporated | Rake classifier |
| JPH02206401A (en) * | 1989-02-03 | 1990-08-16 | Yoshida Kogyo Kk <Ykk> | Method and apparatus for preventing projector from collision |
| US5269451A (en) * | 1990-09-14 | 1993-12-14 | Max Co., Ltd. | Electric stapler with unmovably fixed magazine |
| DE4117767A1 (en) * | 1991-05-31 | 1992-12-03 | Schaeffer Gmbh | MACHINE FOR FITTING BUTTONS, RIVETS OR THE LIKE, PREFERABLY ON CLOTHING PIECES |
| DE4225264A1 (en) * | 1992-01-03 | 1993-07-08 | Schaeffer Gmbh | MACHINE FOR RIVETING, PUSH BUTTONS OR THE LIKE |
-
1994
- 1994-03-15 DE DE4408694A patent/DE4408694C1/en not_active Revoked
-
1995
- 1995-02-16 EP EP95102128A patent/EP0672359B2/en not_active Expired - Lifetime
- 1995-02-16 DE DE59505550T patent/DE59505550D1/en not_active Expired - Fee Related
- 1995-03-10 JP JP7088552A patent/JPH07316911A/en active Pending
- 1995-03-13 KR KR1019950005105A patent/KR0151714B1/en not_active IP Right Cessation
- 1995-03-14 BR BR9501072A patent/BR9501072A/en not_active IP Right Cessation
- 1995-03-15 US US08/404,646 patent/US5588326A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103504680A (en) * | 2013-10-23 | 2014-01-15 | 福建省石狮市华联服装配件企业有限公司 | Novel fastener-holing machine with improved material pushing mechanism |
| CN103519467A (en) * | 2013-10-23 | 2014-01-22 | 福建省石狮市华联服装配件企业有限公司 | Novel grommet machine |
| CN103504680B (en) * | 2013-10-23 | 2015-04-08 | 福建省石狮市华联服装配件企业有限公司 | Novel fastener-holing machine with improved material pushing mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0672359A3 (en) | 1996-06-19 |
| US5588326A (en) | 1996-12-31 |
| EP0672359A2 (en) | 1995-09-20 |
| JPH07316911A (en) | 1995-12-05 |
| KR0151714B1 (en) | 1998-10-15 |
| EP0672359B2 (en) | 2004-12-08 |
| KR950030893A (en) | 1995-12-18 |
| DE4408694C1 (en) | 1995-10-26 |
| DE59505550D1 (en) | 1999-05-12 |
| BR9501072A (en) | 1995-10-24 |
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