EP3096899B1 - Joining device, preferably for applying rivets, for clinching or for punching - Google Patents
Joining device, preferably for applying rivets, for clinching or for punching Download PDFInfo
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- EP3096899B1 EP3096899B1 EP15700366.6A EP15700366A EP3096899B1 EP 3096899 B1 EP3096899 B1 EP 3096899B1 EP 15700366 A EP15700366 A EP 15700366A EP 3096899 B1 EP3096899 B1 EP 3096899B1
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- Prior art keywords
- punch
- spindle
- sleeve
- joining device
- movement
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- 238000005304 joining Methods 0.000 title claims description 34
- 238000004080 punching Methods 0.000 title claims description 8
- 239000007787 solid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/02—Riveting procedures
- B21J15/025—Setting self-piercing rivets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/16—Drives for riveting machines; Transmission means therefor
- B21J15/20—Drives for riveting machines; Transmission means therefor operated by hydraulic or liquid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/16—Drives for riveting machines; Transmission means therefor
- B21J15/22—Drives for riveting machines; Transmission means therefor operated by both hydraulic or liquid pressure and gas pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/16—Drives for riveting machines; Transmission means therefor
- B21J15/26—Drives for riveting machines; Transmission means therefor operated by rotary drive, e.g. by electric motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
Definitions
- the present invention relates to a joining device, preferably for setting rivets, for clinching or for punching.
- the DE 103 59 879 A1 describes a joining device and forms the basis for the preamble of claims 1 and 3.
- Previously known joining devices for example for semi-hollow punching riveting, solid punching riveting or clinching, have a C-shaped carrier. At one end of the C-shaped support is a solid die. At the other end of the C-shaped support a movable punch is arranged. The objects to be joined are arranged between the die and the stamp.
- the drive is carried out hydraulically, pneumatically or servo-electric. Typical drive lengths over which the punch must be movable are greater than 350 mm. This long interference geometry leads to accessibility problems at the joint. Flanges must be hired, joining facilities turned, vehicle concepts changed to ensure accessibility with existing plant technology. At some joints, these above-mentioned cheap joining options must be replaced by costly methods, such as blind rivets.
- the linear movement of the punch carried out by the pre-stroke unit can also be referred to as rapid lift or feed stroke. It is crucial that the punch is moved very quickly and over a long distance to the joint by means of the Vorhubech. During the pre-stroke no or only a very small force acts on the punch. The mechanism for carrying out the preliminary stroke can thus act very quickly and does not have to apply any joining force. As soon as the punch or downholder reaches the joint, the working stroke unit acts. This then only has to move the stamp over a very short distance, but with a great force. During the working stroke, for example, the punch only has to be moved over a distance of less than approximately 20 mm, but with a force of 5 to 100 kN.
- the stamp can be closed very quickly and reopened. This results in improved accessibility to joints and it can be used simple joining methods, such as semi-punched or rivet riveting or clinching.
- the joining device according to the invention is relatively lightweight and can be moved for example by robots and thus used for the assembly of vehicle bodies. This results in a cost and space savings.
- Pre-lift unit is a quick opening and closing of the punch possible, which reduces the assembly times and thus the costs.
- the Vorhubech comprises a first spindle for moving the punch
- the power stroke unit comprises a second spindle for moving the punch.
- the spindles have in particular different pitches, so that different speeds and forces can be generated by means of different spindles.
- the two spindles are arranged one inside the other. As a result, a compact construction of the joining device is possible.
- the two spindles are drive-connected via a differential gear with a common drive.
- the differential gear By means of the differential gear, the first spindle of the Vorhubü is first actuated when closing the punch and then the second spindle of the working stroke unit is actuated.
- the drive is preferably designed as an electric motor or hydraulic motor.
- the Vorhubaji comprises a first spindle.
- This first spindle is connected to the stamp.
- the working stroke unit comprises a sleeve guided linearly movably on the support and a movement device.
- the movement device is designed for linear movement of this sleeve.
- the first spindle of the Vorhubech is guided in this sleeve.
- There is a driver between the first spindle and the sleeve so that the first spindle together with the punch is moved by linear movement of the sleeve.
- the stamp can be brought very quickly and with little force to the joint.
- the sleeve is moved linearly by means of the movement device. With the sleeve, the first spindle and thus the punch moves.
- a backdrop is preferably provided.
- This backdrop includes an oblique groove.
- a pin is guided.
- a corresponding force acts on the pin.
- Either the scenery or the pin is connected to the linearly movable guided sleeve so that a force can be transmitted to the linear guided sleeve on the movement device.
- the term "pen” is broad and includes, for example, a sliding block.
- the gate is preferably provided to connect a hinge lever with the linear guided sleeve. Also on this articulated lever can act a linear force. This is transmitted via the toggle lever on the sleeve.
- the first spindle is drive-connected to a drive and that the movement device is drive-connected to a further drive.
- the drive of the spindle is preferably designed as an electric motor or hydraulic motor.
- the further drive of the moving device is preferably designed as a hydraulic cylinder or pneumatic cylinder.
- the first spindle and the movement device are drive-connected via a transmission with a common drive. This gear is designed so that when closing the punch, first the force acts on the first spindle and subsequently the linearly movable sleeve is displaced via the movement device.
- the Vorhubaji has a hydraulically or pneumatically driven cylinder.
- This cylinder is connected to the plunger and comprises a piston and a piston rod.
- the power stroke unit has an engagement element. This engagement element is used for direct power transmission to the piston rod or the piston.
- a thread is formed between the engagement element and the piston or the piston rod.
- This thread is in particular a fine thread. This thread can be moved over a short distance but with high force of the piston.
- the engagement element of the power stroke unit is preferably moved via an electric motor or hydraulic motor.
- the joining device 1 has a C-shaped carrier 4. At one end of the C-shaped support 4 is a stationary die 2. At the other end of the C-shaped support 4, a punch 3 is movably received. Between the punch 3 and the die 2, the objects to be joined are positioned.
- the joining device 1 is used for example for clinching, punching or for setting rivets.
- the Vorhubech 5 comprises a first spindle 8 and the working stroke unit 6 a second Spindle 9.
- the two spindles 8, 9 are arranged one inside the other and one of the two spindles 8, 9 is connected directly to the punch 3.
- a differential gear is provided between the two spindles 8, 9 and a drive 7, a differential gear is provided. This differential gear initially distributes the power of the drive 7 to the first spindle 8 to deliver the punch 3 quickly. Then the force of the drive 7 is transmitted to the second spindle 9.
- FIG. 1 an X and Y direction.
- the delivery of the punch 3 takes place against the die 2.
- the Y direction is perpendicular to the X direction.
- the drive 7 is designed as an electric motor or hydraulic motor.
- FIG. 2 shows the joining device 1 according to the second embodiment. For the sake of clarity are in the Figures 2 and 3 only sections of the joining device 1 shown.
- the advance unit 5 has the first spindle 8. This first spindle 8 is connected directly to the punch 3.
- the working stroke unit 6 comprises a linearly movable sleeve 11.
- This linearly movable sleeve is mounted linearly movable in a sleeve 12 fixed relative to the support 4.
- the sleeve 11 is movable in the X direction.
- the fixed sleeve 12 has a groove extending in the X direction. Through this groove, a pin 14 protrudes to the outside. The pin 14 is fixedly connected to the linearly movable sleeve 11.
- the working stroke unit 6 comprises a movement device 10.
- this movement device 10 has a link 13.
- the gate 13 includes an oblique groove. In this oblique groove of the pin 14 is guided.
- FIG. 3 shows the joining device 1 according to the third embodiment.
- the third embodiment corresponds to the second embodiment, with the difference that instead of the link 13, a toggle 15 is used to transmit power to the pin 14.
- this articulated lever 15 has a connection point 16.
- This connection point 16 is arranged shifted with respect to the first spindle 8 in the Y direction. At this connection point 16, the force for moving the articulated lever 15 attacks.
- a thread in particular differential thread, provided to the force of a common drive 7 on the first spindle 8 and on the link 13 and the hinge lever 15 to distribute.
- a motor for the movement of the first spindle 8 and a hydraulic or pneumatic cylinder for moving the link 13 or the articulated lever 15th
- FIGS. 4 and 5 show the joining device 1 according to an example, which is not part of the invention.
- the FIGS. 4 and 5 are purely schematic representations.
- FIG. 4 the state during the execution of the pre-stroke is shown.
- FIG. 5 the working stroke is executed.
- the joining device 1 comprises a cylinder 18 with a guided therein piston 19 and a piston rod 20.
- the chambers on both sides of the piston 19 are provided with hydraulic or acted upon pneumatic pressure. By means of the cylinder 18, the force and movement is transmitted to the punch 3 for the forward stroke.
- FIGS. 4 and 5 an engagement member 21 of the power stroke unit 6. Between the engagement member 21 and the piston 19, a thread 22 is formed. Once the forward stroke is performed, the piston 19 is engaged with the engagement member 21. Then, the engagement member 21 can be moved by a motor 23. This can be done with very high power and a small way the stroke.
Description
Vorliegende Erfindung betrifft eine Fügevorrichtung, vorzugsweise zum Setzen von Nieten, zum Clinchen oder zum Stanzen. Die
Es ist Aufgabe vorliegender Erfindung, eine Fügevorrichtung, vorzugsweise zum Setzen von Nieten, zum Clinchen oder zum Stanzen, bereitzustellen, die bei kostengünstiger Herstellung und wartungsarmem Betrieb sehr flexibel einsetzbar ist und gleichzeitig ein schnelles Fügen ermöglicht.It is an object of the present invention to provide a joining device, preferably for setting rivets, for clinching or for punching, which can be used very flexibly with low-cost production and low-maintenance operation and at the same time enables rapid joining.
Die Lösung dieser Aufgabe erfolgt durch die Merkmale der Ansprüche 1 und 3. Die Unteransprüche haben bevorzugte Weiterbildungen der Erfindung zum Gegenstand.The solution of this object is achieved by the features of
Die von der Vorhubeinheit ausgeführte Linearbewegung des Stempels kann auch als Eilhub oder Zustellhub bezeichnet werden. Entscheidend ist, dass mittels der Vorhubeinheit der Stempel sehr schnell und über einen großen Weg bis zur Fügestelle hin bewegt wird. Während des Vorhubes wirkt keine bzw. eine nur sehr geringe Kraft auf den Stempel. Die Mechanik zur Durchführung des Vorhubes kann also sehr schnell wirken und muss dabei keine Fügekraft aufbringen. Sobald der Stempel bzw. der Niederhalter die Fügestelle erreicht, wirkt die Arbeitshubeinheit. Diese muss den Stempel dann nur noch über einen sehr kurzen Weg, jedoch mit einer großen Kraft, bewegen. Während des Arbeitshubes muss der Stempel beispielsweise nur über einen Weg von weniger als ca. 20 mm, jedoch mit einer Kraft von 5 bis 100 kN, bewegt werden.The linear movement of the punch carried out by the pre-stroke unit can also be referred to as rapid lift or feed stroke. It is crucial that the punch is moved very quickly and over a long distance to the joint by means of the Vorhubeinheit. During the pre-stroke no or only a very small force acts on the punch. The mechanism for carrying out the preliminary stroke can thus act very quickly and does not have to apply any joining force. As soon as the punch or downholder reaches the joint, the working stroke unit acts. This then only has to move the stamp over a very short distance, but with a great force. During the working stroke, for example, the punch only has to be moved over a distance of less than approximately 20 mm, but with a force of 5 to 100 kN.
Durch die erfindungsgemäße Aufteilung der Fügevorrichtung in eine Vorhubeinheit und eine Arbeitshubeinheit kann der Stempel sehr schnell geschlossen und wieder geöffnet werden. Dadurch ergibt sich eine verbesserte Zugänglichkeit zu Fügestellen und es können einfache Fügemethoden, wie das Halbhohlstanznieten oder Vollstanznieten oder Clinchen verwendet werden. Die erfindungsgemäße Fügevorrichtung ist dazu relativ leichtbauend und kann beispielsweise von Robotern bewegt werden und so zur Montage von Fahrzeugkarosserien verwendet werden. Dadurch ergibt sich eine Kosten- und Flächeneinsparung. Durch die erfindungsgemäße Vorhubeinheit ist ein schnelles Öffnen und Schließen des Stempels möglich, wodurch sich die Montagezeiten und somit auch die Kosten verringern.Due to the inventive division of the joining device in a Vorhubeinheit and a Arbeitshubeinheit the stamp can be closed very quickly and reopened. This results in improved accessibility to joints and it can be used simple joining methods, such as semi-punched or rivet riveting or clinching. The joining device according to the invention is relatively lightweight and can be moved for example by robots and thus used for the assembly of vehicle bodies. This results in a cost and space savings. By the invention Pre-lift unit is a quick opening and closing of the punch possible, which reduces the assembly times and thus the costs.
In einer ersten Variante der Erfindung ist vorgesehen, dass die Vorhubeinheit eine erste Spindel zum Bewegen des Stempels umfasst, und dass die Arbeitshubeinheit eine zweite Spindel zum Bewegen des Stempels umfasst. Die Spindeln weisen insbesondere unterschiedliche Steigungen auf, so dass mittels der unterschiedlichen Spindeln auch unterschiedliche Geschwindigkeiten und Kräfte erzeugt werden können.In a first variant of the invention it is provided that the Vorhubeinheit comprises a first spindle for moving the punch, and that the power stroke unit comprises a second spindle for moving the punch. The spindles have in particular different pitches, so that different speeds and forces can be generated by means of different spindles.
In der ersten Variante der Erfindung ist vorgesehen, dass die beiden Spindeln ineinander angeordnet sind. Dadurch ist ein kompakter Aufbau der Fügevorrichtung möglich.In the first variant of the invention it is provided that the two spindles are arranged one inside the other. As a result, a compact construction of the joining device is possible.
Des Weiteren ist bevorzugt vorgesehen, dass die beiden Spindeln über ein Differenzialgetriebe mit einem gemeinsamen Antrieb antriebsverbunden sind. Mittels des Differenzialgetriebes wird beim Schließen des Stempels zunächst die erste Spindel der Vorhubeinheit betätigt und im Anschluss daran wird die zweite Spindel der Arbeitshubeinheit betätigt. Der Antrieb ist vorzugsweise als Elektromotor oder Hydraulikmotor ausgebildet.Furthermore, it is preferably provided that the two spindles are drive-connected via a differential gear with a common drive. By means of the differential gear, the first spindle of the Vorhubeinheit is first actuated when closing the punch and then the second spindle of the working stroke unit is actuated. The drive is preferably designed as an electric motor or hydraulic motor.
In einer zweiten Variante der Erfindung ist vorgesehen, dass die Vorhubeinheit eine erste Spindel umfasst. Diese erste Spindel ist mit dem Stempel verbunden. Die Arbeitshubeinheit umfasst eine am Träger linearbeweglich geführte Hülse und eine Bewegungsvorrichtung. Die Bewegungsvorrichtung ist zum Linearbewegen dieser Hülse ausgebildet. Die erste Spindel der Vorhubeinheit ist in dieser Hülse geführt. Zwischen der ersten Spindel und der Hülse befindet sich ein Mitnehmer, so dass durch Linearbewegen der Hülse die erste Spindel samt dem Stempel bewegt wird. Mittels der Vorhubeinheit mit der ersten Spindel kann also der Stempel sehr schnell und mit wenig Kraft an die Fügestelle herangeführt werden. Sodann wird mittels der Bewegungsvorrichtung die Hülse linear verschoben. Mit der Hülse verschiebt sich die erste Spindel und somit der Stempel.In a second variant of the invention it is provided that the Vorhubeinheit comprises a first spindle. This first spindle is connected to the stamp. The working stroke unit comprises a sleeve guided linearly movably on the support and a movement device. The movement device is designed for linear movement of this sleeve. The first spindle of the Vorhubeinheit is guided in this sleeve. There is a driver between the first spindle and the sleeve so that the first spindle together with the punch is moved by linear movement of the sleeve. By means of the Vorhubeinheit with the first spindle so the stamp can be brought very quickly and with little force to the joint. Then, the sleeve is moved linearly by means of the movement device. With the sleeve, the first spindle and thus the punch moves.
Als Bewegungsvorrichtung ist bevorzugt eine Kulisse vorgesehen. Diese Kulisse umfasst eine schräge Nut. In dieser schrägen Nut ist ein Stift geführt. Durch Linearverschieben der Kulisse mit der schrägen Nut wirkt eine entsprechende Kraft auf den Stift. Entweder die Kulisse oder der Stift ist mit der linearbeweglich geführten Hülse verbunden, so dass über die Bewegungsvorrichtung eine Kraft auf die linear geführte Hülse übertragen werden kann. Der Begriff "Stift" ist hier breit gefasst und umfasst beispielsweise auch einen Kulissenstein.As a moving device, a backdrop is preferably provided. This backdrop includes an oblique groove. In this oblique groove a pin is guided. By linear displacement of the backdrop with the oblique groove a corresponding force acts on the pin. Either the scenery or the pin is connected to the linearly movable guided sleeve so that a force can be transmitted to the linear guided sleeve on the movement device. The term "pen" is broad and includes, for example, a sliding block.
Alternativ zur Verwendung der Kulisse ist bevorzugt vorgesehen, einen Gelenkhebel mit der linear geführten Hülse zu verbinden. Auch auf diesen Gelenkhebel kann eine lineare Kraft einwirken. Diese wird über den Gelenkhebel übertragen auf die Hülse.Alternatively to the use of the gate is preferably provided to connect a hinge lever with the linear guided sleeve. Also on this articulated lever can act a linear force. This is transmitted via the toggle lever on the sleeve.
Für den Antrieb in der zweiten Variante gibt es zwei bevorzugte Möglichkeiten. In der ersten Möglichkeit ist bevorzugt vorgesehen, dass die erste Spindel mit einem Antrieb antriebsverbunden ist und dass die Bewegungsvorrichtung mit einem weiteren Antrieb antriebsverbunden ist. Der Antrieb der Spindel ist bevorzugt als Elektromotor oder Hydraulikmotor ausgebildet. Der weitere Antrieb der Bewegungsvorrichtung ist bevorzugt als Hydraulikzylinder oder Pneumatikzylinder ausgebildet. Gemäß der zweiten Möglichkeit ist bevorzugt vorgesehen, dass die erste Spindel und die Bewegungsvorrichtung über ein Getriebe mit einem gemeinsamen Antrieb antriebsverbunden sind. Dieses Getriebe ist so ausgebildet, dass beim Schließen des Stempels zunächst die Kraft auf die erste Spindel wirkt und im Anschluss daran über die Bewegungsvorrichtung die linearbewegliche Hülse verschoben wird.For the drive in the second variant, there are two preferred ways. In the first possibility, it is preferably provided that the first spindle is drive-connected to a drive and that the movement device is drive-connected to a further drive. The drive of the spindle is preferably designed as an electric motor or hydraulic motor. The further drive of the moving device is preferably designed as a hydraulic cylinder or pneumatic cylinder. According to the second possibility, it is preferably provided that the first spindle and the movement device are drive-connected via a transmission with a common drive. This gear is designed so that when closing the punch, first the force acts on the first spindle and subsequently the linearly movable sleeve is displaced via the movement device.
Gemäß einer dritten Variante, die nicht Teil der Erfindung ist, wird vorgesehen, dass die Vorhubeinheit einen hydraulisch oder pneumatisch angetriebenen Zylinder aufweist. Dieser Zylinder ist mit dem Stempel verbunden und umfasst einen Kolben und eine Kolbenstange. Die Arbeitshubeinheit weist ein Eingriffselement auf. Dieses Eingriffselement dient zur direkten Kraftübertragung auf die Kolbenstange oder den Kolben.According to a third variant, which is not part of the invention, it is provided that the Vorhubeinheit has a hydraulically or pneumatically driven cylinder. This cylinder is connected to the plunger and comprises a piston and a piston rod. The power stroke unit has an engagement element. This engagement element is used for direct power transmission to the piston rod or the piston.
Bevorzugt ist vorgesehen, dass zwischen dem Eingriffselement und dem Kolben bzw. der Kolbenstange ein Gewinde ausgebildet ist. Dieses Gewinde ist insbesondere ein Feingewinde. Über dieses Gewinde kann über einen kurzen Weg jedoch mit hoher Kraft der Kolben bewegt werden. Das Eingriffselement der Arbeitshubeinheit wird bevorzugt über einen Elektromotor oder Hydraulikmotor bewegt.It is preferably provided that a thread is formed between the engagement element and the piston or the piston rod. This thread is in particular a fine thread. This thread can be moved over a short distance but with high force of the piston. The engagement element of the power stroke unit is preferably moved via an electric motor or hydraulic motor.
Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung und den Figuren. Es zeigen:
- Figur 1
- eine erfindungsgemäße Fügevorrichtung gemäß einem ersten Ausführungsbeispie I;
- Figur 2
- ein Detail der erfindungsgemäßen Fügevorrichtung gemäß einem zweiten Ausführungsbeispiel;
Figur 3- ein Detail der erfindungsgemäßen Fügevorrichtung gemäß einem dritten Ausführungsbeispiel; und
Figuren 4 und 5- schematisch vereinfachte Ansichten zu einer Fügevorrichtung gemäß einem Beispiel, das nicht Teil der Erfindung ist.
- FIG. 1
- a joining device according to the invention according to a first Ausführungsbeispie I;
- FIG. 2
- a detail of the joining device according to the invention according to a second embodiment;
- FIG. 3
- a detail of the joining device according to the invention according to a third embodiment; and
- FIGS. 4 and 5
- schematically simplified views of a joining device according to an example, which is not part of the invention.
Im Folgenden werden vier Ausführungsbeispiele einer Fügevorrichtung 1 beschrieben. Gleiche bzw. funktional gleiche Bauteile sind in allen Ausführungsbeispielen mit denselben Bezugszeichen versehen.Four exemplary embodiments of a joining device 1 will be described below. Identical or functionally identical components are provided with the same reference numerals in all embodiments.
Gemäß
Zum Antrieb des Stempels 3 sind eine Vorhubeinheit 5 und eine Arbeitshubeinheit 6 vorgesehen. Im ersten Ausführungsbeispiel umfasst die Vorhubeinheit 5 eine erste Spindel 8 und die Arbeitshubeinheit 6 eine zweite Spindel 9. Die beiden Spindeln 8, 9 sind ineinander angeordnet und eine der beiden Spindeln 8, 9 ist direkt mit dem Stempel 3 verbunden.To drive the
Zwischen den beiden Spindeln 8, 9 und einem Antrieb 7 ist ein Differenzialgetriebe vorgesehen. Dieses Differenzialgetriebe verteilt zunächst die Kraft des Antriebs 7 auf die erste Spindel 8, um den Stempel 3 schnell zuzustellen. Daraufhin wird die Kraft des Antriebs 7 auf die zweite Spindel 9 übertragen.Between the two
Ferner zeigt
Der Antrieb 7 ist als Elektromotor oder Hydraulikmotor ausgebildet.The
Im zweiten Ausführungsbeispiel gemäß
Die Arbeitshubeinheit 6 umfasst eine linearbewegliche Hülse 11. Diese linearbewegliche Hülse ist in einer gegenüber dem Träger 4 festen Hülse 12 linearbeweglich gelagert. Die Hülse 11 ist in X-Richtung beweglich.The working
Die feste Hülse 12 weist eine Nut auf, die sich in X-Richtung erstreckt. Durch diese Nut ragt ein Stift 14 nach außen. Der Stift 14 ist fest mit der linearbeweglichen Hülse 11 verbunden.The fixed
Ferner umfasst die Arbeitshubeinheit 6 eine Bewegungsvorrichtung 10. Diese Bewegungsvorrichtung 10 weist im zweiten Ausführungsbeispiel eine Kulisse 13 auf. Die Kulisse 13 umfasst eine schräge Nut. In dieser schrägen Nut ist der Stift 14 geführt.Furthermore, the working
Durch Bewegen der Kulisse 13 wird über die schräge Nut eine Kraft auf den Stift 14 übertragen. Dadurch ist durch Bewegen der Kulisse 13 die linearbewegliche Hülse 11 in X-Richtung verschiebbar. Mit Verschieben der linearbeweglichen Hülse 11 bewegt sich auch die erste Spindel 8 in X-Richtung und somit kann über die Kulisse 13 eine relativ große Kraft auf den Stempel 3 übertragen werden.By moving the
Im zweiten und dritten Ausführungsbeispiel gibt es jeweils zwei Möglichkeiten zur Ausbildung des Antriebs 7. In der ersten Möglichkeit ist ein Gewinde, insbesondere Differenzialgewinde, vorgesehen, um die Kraft eines gemeinsamen Antriebs 7 auf die erste Spindel 8 und auf die Kulisse 13 bzw. den Gelenkhebel 15 zu verteilen. In der zweiten Alternative gibt es zwei Antriebe, insbesondere einen Motor für die Bewegung der ersten Spindel 8 und einen Hydraulik- oder Pneumatikzylinder zur Bewegung der Kulisse 13 oder des Gelenkhebels 15.In the second and third embodiments, there are two possibilities for forming the
Die Fügevorrichtung 1 gemäß dem vierten Ausführungsbeispiel umfasst einen Zylinder 18 mit einem darin geführten Kolben 19 und einer Kolbenstange 20. Die Kammern beidseitig des Kolbens 19 sind mit hydraulischem oder pneumatischem Druck beaufschlagbar. Mittels des Zylinders 18 wird die Kraft und Bewegung für den Vorhub auf den Stempel 3 übertragen.The joining device 1 according to the fourth embodiment comprises a
Des Weiteren zeigen die
- 11
- Fügevorrichtungjoining device
- 22
- Matrizedie
- 33
- Stempelstamp
- 44
- Trägercarrier
- 55
- VorhubeinheitVorhubeinheit
- 66
- ArbeitshubeinheitWork lifting unit
- 77
- Antriebdrive
- 88th
- Erste SpindelFirst spindle
- 99
- Zweite SpindelSecond spindle
- 1010
- Bewegungsvorrichtungmover
- 1111
- Linearbewegliche HülseLinearly movable sleeve
- 1212
- Feste HülseSolid sleeve
- 1313
- Kulissescenery
- 1414
- Stiftpen
- 1515
- Gelenkhebelarticulated lever
- 1616
- Verbindungspunktjunction
- 1818
- Zylindercylinder
- 1919
- Kolbenpiston
- 2020
- Kolbenstangepiston rod
- 2121
- Eingriffselementengaging member
- 2222
- Gewindethread
- 2323
- Muttermother
Claims (7)
- A joining device (1), preferably for setting rivets, for clinching or for punching, comprising• a die (2) and a punch (3) which is linearly movable on a support (4), wherein the object to be joined can be positioned between the punch (3) and the die (2),• a preliminary stroke unit (5) for carrying out a preliminary stroke movement of the punch (3),• a working stroke unit (6) for carrying out a working stroke movement of the punch (3),• wherein the working stroke unit (6) is designed to actuate the punch (3) with a greater force and/or a shorter linear movement than the preliminary stroke unit (5),• wherein the preliminary stroke unit (5) comprises a first spindle (8) for moving the punch (3), and that the working stroke unit (6) comprises a second spindle (9) for moving the punch (3), characterised in that the two spindles (8, 9) are arranged one in the other.
- A joining device according to Claim 1, characterised in that the two spindles (8, 9) are in a drive connection via a differential gear with a common drive (7), preferably an electric motor or hydraulic motor.
- A joining device (1), preferably for setting rivets, for clinching or for punching, comprising• a die (2) and a punch (3) which is linearly movable on a support (4), wherein the object to be joined can be positioned between the punch (3) and the die (2),• a preliminary stroke unit (5) for carrying out a preliminary stroke movement of the punch (3),• a working stroke unit (6) for carrying out a working stroke movement of the punch (3),• wherein the working stroke unit (6) is designed to actuate the punch (3) with a greater force and/or a shorter linear movement than the preliminary stroke unit (5), and• wherein the preliminary stroke unit (5) comprises a first spindle (8) connected to the punch (3), wherein the joining device is characterised in that the working stroke unit (6) comprises a sleeve (11) guided in linearly movable manner on the support (4) and a movement device (10) for linearly moving the sleeve (11), wherein the first spindle (8) is guided in the sleeve (11) and wherein the first spindle (8) plus punch (3) is movable by linear movement of the sleeve (11).
- A joining device according to Claim 3, characterised in that the movement device (10) comprises a slotted link (13) designed as an inclined groove and a pin (14) guided in the slotted link (13), wherein either the slotted link (13) is formed on the sleeve (11) which is guided in linearly movable manner, or the pin (14) is connected to the sleeve (11) which is guided in linearly movable manner.
- A joining device according to Claim 4, characterised in that the movement device (10) comprises an articulated lever (15) which is connected to the sleeve (11) which is guided in linearly movable manner.
- A joining device according to one of Claims 3 to 5, characterised in that the first spindle (8) is in a drive connection with a drive (7), preferably an electric motor or hydraulic motor, and the movement device (10) is in a drive connection with a further drive, preferably a hydraulic cylinder or a pneumatic cylinder.
- A joining device according to one of Claims 3 to 5, characterised in that the first spindle (8) and the movement device (10) are in a drive connection with a common drive (7) via a gear mechanism.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014200962.6A DE102014200962A1 (en) | 2014-01-21 | 2014-01-21 | Joining device, preferably for setting rivets, for clinching or punching |
PCT/EP2015/050403 WO2015110302A1 (en) | 2014-01-21 | 2015-01-12 | Joining device, preferably for applying rivets, for clinching or for punching |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3096899A1 EP3096899A1 (en) | 2016-11-30 |
EP3096899B1 true EP3096899B1 (en) | 2018-07-25 |
Family
ID=52350105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15700366.6A Active EP3096899B1 (en) | 2014-01-21 | 2015-01-12 | Joining device, preferably for applying rivets, for clinching or for punching |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3096899B1 (en) |
DE (1) | DE102014200962A1 (en) |
WO (1) | WO2015110302A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3378581B1 (en) | 2017-03-24 | 2020-01-29 | Böllhoff Verbindungstechnik GmbH | Multi-stage joining device and joining method therefor |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015111227A1 (en) * | 2015-07-10 | 2017-01-12 | Heiko Schmidt | processing pliers |
CN106141063A (en) * | 2016-06-30 | 2016-11-23 | 苏州塞默机械有限公司 | A kind of method of work of intelligent riveting machine hand |
DE102016224267A1 (en) * | 2016-12-06 | 2018-06-07 | Mahle International Gmbh | Lever element for an actuator of a wastegate device or a variable turbine geometry or an exhaust gas recirculation valve |
DE102021104620B4 (en) | 2021-02-26 | 2023-12-07 | Dieter Schmidt | Power unit for a processing station for machining and/or processing workpieces and associated processing station |
DE102021120409A1 (en) | 2021-08-05 | 2023-02-09 | Tox Pressotechnik Gmbh & Co. Kg | Clinching device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4319436C1 (en) * | 1993-06-11 | 1994-10-27 | Audi Ag | Double stroke cylinder |
EP0820823B1 (en) * | 1996-07-25 | 1999-09-29 | Bodmer Küsnacht AG | Checking device, especially for forming machines |
WO2000029145A1 (en) * | 1998-11-17 | 2000-05-25 | Henrob Ltd. | Improvements in or relating to fastening of sheet material |
DE19905527B4 (en) * | 1999-02-10 | 2006-11-23 | Böllhoff GmbH | Device for joining workpieces made of ductile material |
DE20103209U1 (en) * | 2001-02-23 | 2001-06-13 | Britax Teutonia Kinderwagen | Riveting tool |
DE10359879B4 (en) * | 2002-12-20 | 2009-08-06 | Heiko Schmidt | Hydraulic processing tongs |
JP2013000772A (en) * | 2011-06-16 | 2013-01-07 | ▲吉▼川鐵工株式会社 | Riveting machine and method |
DE102012008902A1 (en) * | 2012-05-08 | 2013-11-14 | Tox Pressotechnik Gmbh & Co. Kg | Hydropneumatic device for pressure transmission and riveting device |
-
2014
- 2014-01-21 DE DE102014200962.6A patent/DE102014200962A1/en not_active Withdrawn
-
2015
- 2015-01-12 WO PCT/EP2015/050403 patent/WO2015110302A1/en active Application Filing
- 2015-01-12 EP EP15700366.6A patent/EP3096899B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3378581B1 (en) | 2017-03-24 | 2020-01-29 | Böllhoff Verbindungstechnik GmbH | Multi-stage joining device and joining method therefor |
Also Published As
Publication number | Publication date |
---|---|
WO2015110302A1 (en) | 2015-07-30 |
DE102014200962A1 (en) | 2015-07-23 |
EP3096899A1 (en) | 2016-11-30 |
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