EP3372320B1 - Device and method for the preparation of meandering cooling bodies - Google Patents
Device and method for the preparation of meandering cooling bodies Download PDFInfo
- Publication number
- EP3372320B1 EP3372320B1 EP18151652.7A EP18151652A EP3372320B1 EP 3372320 B1 EP3372320 B1 EP 3372320B1 EP 18151652 A EP18151652 A EP 18151652A EP 3372320 B1 EP3372320 B1 EP 3372320B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool carrier
- tool
- bending
- slides
- guided
- 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.)
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Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000001816 cooling Methods 0.000 title 1
- 238000002360 preparation method Methods 0.000 title 1
- 238000005452 bending Methods 0.000 claims description 49
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000000969 carrier Substances 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 11
- 238000004080 punching Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 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
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
-
- 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
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/02—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by pressing
-
- 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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
- B21D11/07—Making serpentine-shaped articles by bending essentially in one plane
Definitions
- the invention relates to a device and a method for producing meandering heat sinks.
- Heat sinks usually consist of a material with good thermal conductivity and often have a meandering shape to increase the heat-dissipating surface. Such heat sinks are currently made of die-cast aluminum. However, the production of such die-cast heat sinks is relatively slow, inflexible and expensive.
- the device contains a first tool carrier, a second tool carrier that can be displaced relative to the first tool carrier via a drive in the direction of a travel axis, a holder arranged between the first tool carrier and the second tool carrier for guiding the sheet-like material, and a plurality of tools on the first and second tool carriers at right angles to the travel axis slidably guided folding tools, which are moved together when the second tool carrier is displaced in the direction of the first tool carrier at right angles to the axis of travel of the tool carrier.
- the object of the invention is to provide a device and a method for producing meandering heat sinks that allow flexible and cost-effective production with high precision.
- the device according to the invention contains a first tool carrier, one that can be displaced relative to the first tool carrier via a drive in the direction of a travel axis second tool carrier, a holder arranged between the first tool carrier and the second tool carrier for accommodating a blank and several bending punches which are guided on the first and second tool carrier so as to be displaceable at right angles to the traversing axis and which, when the second tool carrier is displaced in the direction of the first tool carrier, are activated by drives at right angles to the Traversing axis of the tool carrier are moved together.
- meandering heat sinks can be produced flexibly, quickly and precisely from a printed circuit board cut from a strip material.
- the circuit board separated from the metal strip for example, is folded together by the device in the manner of an accordion, with relative movements between the strip material and the bending stamps being avoided by the multi-axial movements of the bending stamps.
- the simultaneity of all bending movements also enables a high production speed.
- a wide variety of heat sinks can thus be manufactured in an effective and cost-effective manner with high productivity and great accuracy.
- Between the first tool carrier and the second tool carrier are arranged two rails which can be moved relative to one another in the direction of the axis of travel of the second tool carrier and have holding devices which can be displaced on them at right angles to the axis of travel for holding the ends of the board. This allows the board ends to be gripped and moved to their end position on two axes.
- the bending punches are arranged on tool slides which are displaceably guided on the tool carriers via guide rails that are parallel to one another.
- Two tool slides, each with a bending punch, are expediently guided in a displaceable manner on the guide rails.
- the tool slides are preferably displaced by the drives in such a way that they simultaneously move together when the second tool carrier moves in the direction of the first tool carrier.
- the drives for shifting the tool slides, which are each guided displaceably on a guide rail can expediently be designed as a belt drive with an endless belt guided via a drive roller and a deflection roller, with one of the tool slides on an upper strand and the other tool slide on a lower strand of the endless belt is attached.
- the tool slides which are movably guided on a guide rail, can be moved by a common motor.
- the tool slides could also be moved along the guide rails by a chain drive, by individual drives or the like.
- the holding devices can be formed by a counter-holder that is guided in a displaceable manner on one rail and a punching and holding stamp that is guided in a displaceable manner on the other rail.
- the counterholder and the punching and holding punches can likewise be arranged on two tool carriages which are guided over guide rails and can be moved in relation to one another, in the same way as the bending punches.
- a first processing module designed as a cutting and bending module and a second processing module designed as a bending module can be fastened to the holder arranged between the first tool carrier and the second tool carrier.
- the method according to the invention is characterized in that the heat sink is bent from a circuit board in one working stroke by a plurality of bending punches that can be moved in two axes perpendicular to one another, and the ends of the circuit board are gripped by a holding device that can be moved in two axes that are perpendicular to one another and are moved to their end position.
- the heat sink can be calibrated with its contact surfaces after bending by pressing against the bending die.
- FIG. 1 and 2 is a device 1 for the production of an in figure 3 illustrated meandering heat sink 2 shown from a separated from a band material circuit board 3.
- the device 1 has a first tool carrier 4 and a second tool carrier 6 which can be moved transversely thereto in the direction of a travel axis 5 .
- the traversing axis 5 is designed as a vertical axis.
- the in the figures 1 and 2 The first tool carrier 4 arranged at the bottom is stationary, while the second tool carrier 6 arranged at the top can be moved in the direction of the vertical travel axis 5 with the aid of a drive 7 . about in figure 1 recognizable guides 8, the second tool carrier 6 is slidably guided on a frame, not shown here.
- the first tool carrier 4, which is designed to be stationary here, could also be moved in the direction of the travel axis 5 if required.
- the two tool carriers 4 and 5 arranged vertically here could also be arranged horizontally and moved along a horizontal axis of travel.
- a stationary rail-shaped holder 9 is arranged between the two plate-shaped tool carriers 4 and 6 .
- a guide 10 for the strip material, a first processing module 11 embodied as a cutting and bending module, and a second processing module 12 embodied as a bending module are fastened to the rail-shaped holder 9 .
- This first rail 13 can be displaced in the direction of the displacement axis 5 via a drive 14 .
- Also arranged between the second tool carrier 6 and the rail-shaped holder 9 is a second rail 15 which is parallel to the holder 9 and can be displaced in relation to it.
- the second rail 15 can be displaced in the direction of the displacement axis 5 via a drive 16 .
- a plurality of bending punches 17 and 18 arranged next to one another are displaceably guided at right angles to the traversing axis 5.
- the bending punches 17 and 18 are seated on tool slides 19 and 20, respectively, which are displaceably guided on mutually parallel guide rails 21 and 22, respectively.
- four mutually parallel and horizontally extending guide rails 21 are attached to the first tool carrier 4 arranged below.
- Four parallel and horizontally extending guide rails 22 are also provided on the second tool carrier 6 arranged at the top.
- two tool carriages 19 and 20, respectively are displaceably guided for one bending punch 17 and 18, respectively.
- the bending punches 17 and 18, which can be moved via the tool slides 19 and 20, are moved via drives 24 in such a way that they move together transversely to the travel axis 5 in the direction of the central bending punch 23 when the second tool carrier 6 moves towards the first tool carrier 4 in the lifting direction.
- the bending punches 17 and 18, which can be moved via the tool slides 19 and 20, will also move apart again into their starting position.
- the bending punches 17 and 18 guided on the tool carriages 19 and 20 therefore carry out controlled movements at right angles to the travel axis 5 of the second tool carrier 6 .
- the two tool carriages 19 and 20 guided on the respective guide rails 21 and 22 of the first and second tool carriers 4 and 6 are simultaneously moved together or apart by the drives 24 together with the bending punches 17 and 18 attached thereto.
- the drives 24 are designed as belt drives with an endless belt 27 guided over a drive roller 25 and a deflection roller 26 .
- One of the tool slides 19 or 20 arranged on each guide rail 21 or 22 is fastened to the upper run of the endless belt 27 and the other tool slide 19 or 20 to the lower run of the endless belt 27, so that the two tool slides 19 or 20 upon rotation of the drive roller 25 in one Direction are moved together and moved apart when reversing the direction of rotation of the drive roller 25.
- the drive rollers 25 are each fitted over an in figure 1 Motor 28 shown driven.
- two tool slides 30 and 31 are also slidably guided on the first rail 13 and the second rail 15 on a respective guide rail 32 and 33, respectively.
- the two tool slides 30 and 31 guided on the respective guide rails 32 and 33 are also moved in opposite directions via a drive 38 designed as a belt drive with a motor 34 and an endless belt 37 guided via a drive roller 35 and a deflection roller 36.
- a drive 38 designed as a belt drive with a motor 34 and an endless belt 37 guided via a drive roller 35 and a deflection roller 36.
- On the two tool slides 30 are in figure 4 counterholder 39 shown and on the two tool slides 31 in figure 4 Stamping and holding stamp 40 shown attached.
- gripping device 41 is arranged.
- a finished heat sink 3 can be pulled out of the processing zone and deposited in an inclined discharge chute 43 for transport.
- a strip material previously provided with several lateral bevels 44 is guided via the guide 10 into an in figure 4 shown processing position transported. There is one in figure 1
- the guide rail 45 shown is still in an advanced position between the spaced-apart bending punches 17 and 18.
- one end of the strip material is separated on the first processing module 11, which is designed as a cutting and bending module, between a lower part 46 and an upper cutting punch 47 to form the blank 3 .
- the two punching and holding stamps 40 are then moved against the counterholder 39 by a downward movement of the second rail 15 arranged at the top, as a result of which the circuit board 3, which has been separated from the strip material, is provided with a hole on both sides and is held. Also, the two ends of the previously severed Blank 3 bent downwards by a bending punch 48 in the first processing module 11 designed as a cutting and bending module and a bending punch 49 in the second processing module 12 designed as a bending module. Furthermore, after the upper guide rail 45 has been retracted, the upper bending punches 18 are moved downwards against the blank 3 by a downward movement of the second tool carrier 6 arranged at the top.
- both the bending punches 17 and 18 and the counterholder 39 with the punching and holding punches 40 perpendicular to the traversing axis 5 in the direction of the central Bending die 23 moves.
- the circuit board 3 is in accordance with figure 6 first bent on the lower bending dies 17 protruding further upwards.
- the blank 3 is then shown in accordance with figure 7 and figure 8 also bent over the lower bending stamp 18 and in the manner of an accordion up to the in figure 9 final shape shown folded.
- the heat sink 2 is then calibrated with its contact surfaces by pressing against the bending dies 17 and 18 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Description
Die Erfindung betrifft eine Vorrichtung und ein Verfahren zur Herstellung mäanderförmiger Kühlkörper.The invention relates to a device and a method for producing meandering heat sinks.
Kühlkörper bestehen üblicherweise aus einem gut wärmeleitfähigen Material und weisen zur Vergrößerung der wärmeabgebenden Oberfläche vielfach einen mäanderförmigen Verlauf auf. Solche Kühlkörper werden derzeit aus Aluminium-Druckguss hergestellt. Allerdings ist die Produktion solcher Druckgusskühlkörper relativ langsam, unflexibel und teuer.Heat sinks usually consist of a material with good thermal conductivity and often have a meandering shape to increase the heat-dissipating surface. Such heat sinks are currently made of die-cast aluminum. However, the production of such die-cast heat sinks is relatively slow, inflexible and expensive.
Aus der
Aufgabe der Erfindung ist es, eine Vorrichtung und ein Verfahren zur Herstellung mäanderförmiger Kühlkörper zu schaffen, die eine flexible und kostengünstige Fertigung mit hoher Präzision ermöglichen.The object of the invention is to provide a device and a method for producing meandering heat sinks that allow flexible and cost-effective production with high precision.
Diese Aufgabe wird durch eine Vorrichtung mit den Merkmalen des Anspruchs 1 und durch ein Verfahren mir den Merkmalen des Anspruchs 9 gelöst. Zweckmäßige Ausgestaltungen und vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.This object is achieved by a device having the features of claim 1 and by a method having the features of
Die erfindungsgemäße Vorrichtung enthält einen ersten Werkzeugträger, einen relativ zum ersten Werkzeugträger über einen Antrieb in Richtung einer Verfahrachse verschiebbaren zweiten Werkzeugträger, eine zwischen dem ersten Werkzeugträger und dem zweiten Werkzeugträger angeordnete Halterung für die Aufnahme einer Platine und mehrere an dem ersten und zweiten Werkzeugträger rechtwinklig zur Verfahrachse verschiebbar geführte Biegestempel, die bei der Verschiebung des zweiten Werkzeugträgers in Richtung des ersten Werkzeugträgers durch Antriebe rechtwinklig zur Verfahrachse des Werkzeugträgers zusammenbewegt werden. Mit Hilfe einer derartigen Vorrichtung können mäanderförmige Kühlkörper aus einer von einem Bandmaterial abgetrennten Platine flexibel, schnell und präzise hergestellt werden. Die z.B. von Metallband abgetrennte Platine wird durch die Vorrichtung in Art einer Ziehharmonika zusammengefaltet, wobei durch die mehrachsigen Bewegungen der Biegestempel Relativbewegungen zwischen dem Bandmaterial und den Biegestempeln vermieden werden. Durch die Gleichzeitigkeit aller Biegebewegungen wird außerdem eine hohe Produktionsgeschwindigkeit ermöglicht. Kühlkörper der verschiedensten Art können so auf effektive und kostengünstige Weise mit hoher Produktivität und großer Genauigkeit gefertigt werden. Zwischen dem ersten Werkzeugträger und dem zweiten Werkzeugträger sind zwei in Richtung der Verfahrachse des zweiten Werkzeugträgers gegeneinander verfahrbare Schienen mit daran rechtwinklig zur Verfahrachse verschiebbaren Halteeinrichtungen zur Halterung der Enden der Platine angeordnet sein. Dadurch können die Platinenenden gefasst und jeweils zweiachsig in deren Endposition bewegt werden.The device according to the invention contains a first tool carrier, one that can be displaced relative to the first tool carrier via a drive in the direction of a travel axis second tool carrier, a holder arranged between the first tool carrier and the second tool carrier for accommodating a blank and several bending punches which are guided on the first and second tool carrier so as to be displaceable at right angles to the traversing axis and which, when the second tool carrier is displaced in the direction of the first tool carrier, are activated by drives at right angles to the Traversing axis of the tool carrier are moved together. With the help of such a device, meandering heat sinks can be produced flexibly, quickly and precisely from a printed circuit board cut from a strip material. The circuit board separated from the metal strip, for example, is folded together by the device in the manner of an accordion, with relative movements between the strip material and the bending stamps being avoided by the multi-axial movements of the bending stamps. The simultaneity of all bending movements also enables a high production speed. A wide variety of heat sinks can thus be manufactured in an effective and cost-effective manner with high productivity and great accuracy. Between the first tool carrier and the second tool carrier are arranged two rails which can be moved relative to one another in the direction of the axis of travel of the second tool carrier and have holding devices which can be displaced on them at right angles to the axis of travel for holding the ends of the board. This allows the board ends to be gripped and moved to their end position on two axes.
In einer besonders vorteilhaften Ausführung sind die Biegestempel an Werkzeugschlitten angeordnet, die an den Werkzeugträgern über zueinander parallele Führungsschienen verschiebbar geführt sind. Dadurch kann die Vorrichtung einfach umgerüstet und schnell an unterschiedliche Anforderungen angepasst werden.In a particularly advantageous embodiment, the bending punches are arranged on tool slides which are displaceably guided on the tool carriers via guide rails that are parallel to one another. As a result, the device can be easily converted and quickly adapted to different requirements.
Zweckmäßigerweise sind an den Führungsschienen jeweils zwei Werkzeugschlitten mit jeweils einem Biegestempel verschiebbar geführt.Two tool slides, each with a bending punch, are expediently guided in a displaceable manner on the guide rails.
Die an jeweils einer Führungsschiene verschiebbar geführten Werkzeugschlitten werden durch die Antriebe vorzugsweise so verschoben, dass sie bei der Bewegung des zweiten Werkzeugträgers in Richtung des ersten Werkzeugträgers gleichzeitig zusammenfahren. Die Antriebe zur Verschiebung der an jeweils einer Führungsschiene verschiebbar geführten Werkzeugschlitten können zweckmäßigerweise als Riementrieb mit einem über eine Antriebsrolle und eine Umlenkrolle geführten Endlosriemen ausgebildet sein, wobei einer der Werkzeugschlitten an einem oberen Trum und der andere Werkzeugschlitten an einem unteren Trum des Endlosriemens befestigt ist. Dadurch können die an einer Führungsschiene verschiebbar geführten Werkzeugschlitten durch einen gemeinsamen Motor verschoben werden. Die Werkzeugschlitten könnten aber auch durch einen Kettenantrieb, durch Einzelantriebe oder dgl. entlang der Führungsschienen bewegt werden.The tool slides, each of which is displaceably guided on a guide rail, are preferably displaced by the drives in such a way that they simultaneously move together when the second tool carrier moves in the direction of the first tool carrier. The drives for shifting the tool slides, which are each guided displaceably on a guide rail, can expediently be designed as a belt drive with an endless belt guided via a drive roller and a deflection roller, with one of the tool slides on an upper strand and the other tool slide on a lower strand of the endless belt is attached. As a result, the tool slides, which are movably guided on a guide rail, can be moved by a common motor. However, the tool slides could also be moved along the guide rails by a chain drive, by individual drives or the like.
Die Haltereinrichtungen können durch einen an der einen Schiene verschiebbar geführten Gegenhalter und einen an der anderen Schiene verschiebbar geführten Stanz- und Haltestempel gebildet sein. Die Gegenhalter und die Stanz- und Haltestempel können entsprechend der Biegestempel ebenfalls an zwei über Führungsschienen geführten und gegeneinander verfahrbaren Werkzeugschlitten angeordnet sein.The holding devices can be formed by a counter-holder that is guided in a displaceable manner on one rail and a punching and holding stamp that is guided in a displaceable manner on the other rail. The counterholder and the punching and holding punches can likewise be arranged on two tool carriages which are guided over guide rails and can be moved in relation to one another, in the same way as the bending punches.
An der zwischen dem ersten Werkzeugträger und dem zweiten Werkzeugträger angeordneten Halterung kann ein als ein als Schneid- und Biegemodul ausgebildetes erstes Bearbeitungsmodul und ein als Biegemodul ausgeführtes zweites Bearbeitungsmodul befestigt sein.A first processing module designed as a cutting and bending module and a second processing module designed as a bending module can be fastened to the holder arranged between the first tool carrier and the second tool carrier.
Das erfindungsgemäße Verfahren zeichnet sich dadurch aus, dass der Kühlkörper aus einer Platine in einem Arbeitshub durch mehrere in zwei zueinander senkrechten Achsen bewegbare Biegestempel gebogen wird und die Enden der Platine von einer in zwei zueinander senkrechten Achsen bewegbaren Halteeinrichtung gefasst und in ihre Endposition bewegt werden.The method according to the invention is characterized in that the heat sink is bent from a circuit board in one working stroke by a plurality of bending punches that can be moved in two axes perpendicular to one another, and the ends of the circuit board are gripped by a holding device that can be moved in two axes that are perpendicular to one another and are moved to their end position.
Außerdem kann der Kühlkörper mit seinen Kontaktflächen nach dem Biegen durch Anpressen gegen die Biegestempel kalibriert werden.In addition, the heat sink can be calibrated with its contact surfaces after bending by pressing against the bending die.
Weitere Besonderheiten und Vorzüge der Erfindung ergeben sich aus der folgenden Beschreibung eines bevorzugten Ausführungsbeispiels anhand der Zeichnung. Es zeigen:
- Fig. 1
- eine Vorrichtung zur Herstellung eines mäanderförmigen Kühlkörpers aus einem Bandmaterial in einer Perspektive;
- Fig. 2
- die in
Figur 1 gezeigte Vorrichtung in einer Vorderansicht; - Fig. 3
- einen mäanderförmigen Kühlkörper in einer Perspektive und
- Fig. 4 bis 9
- einen Verfahrensablauf bei der Herstellung eines in
gezeigten Kühlkörpers.Figur 3
- 1
- a perspective view of a device for producing a meander-shaped heat sink from a band material;
- 2
- in the
figure 1 device shown in a front view; - 3
- a meandering heatsink in a perspective and
- Figures 4 to 9
- a process flow in the manufacture of an in
figure 3 heatsink shown.
In den
Wie besonders aus
An den beiden plattenförmigen Werkzeugträgern 4 und 6 sind mehrere nebeneinander angeordnete Biegestempel 17 bzw. 18 rechtwinklig zur Verfahrachse 5 verschiebbar geführt. Die Biegestempel 17 und 18 sitzen hierzu an Werkzeugschlitten 19 bzw. 20, die auf zueinander parallelen Führungsschienen 21 bzw. 22 verschiebbar geführt sind. Bei der gezeigten Ausführung sind an dem unten angeordneten ersten Werkzeugträger 4 vier zueinander parallele und horizontal verlaufende Führungsschienen 21 befestigt. An dem oben angeordneten zweiten Werkzeugträger 6 sind ebenfalls vier zueinander parallele und horizontal verlaufende Führungsschienen 22 vorgesehen. An den horizontal angeordneten Führungsschienen 21 und 22 sind jeweils zwei Werkzeugschlitten 19 bzw. 20 für jeweils einen Biegestempel 17 bzw. 18 verschiebbar geführt.On the two plate-
Bei der gezeigten Ausführung sind nur die an den drei oberen Führungsschienen 21 des stationären ersten Werkzeugträgers 4 geführten Werkzeugsschlitten 19 mit Biegestempeln 17 bestückt. An dem oben angeordneten zweiten Werkzeugträger 6 sind nur die an den drei unteren Führungsschienen 22 geführten Werkzeugsschlitten 20 mit Biegestempeln 18 bestückt. An dem in Richtung der Verfahrachse 5 verschiebbaren zweiten Werkzeugträger 6 ist ferner ein zentraler Biegestempel 23 befestigt, der nicht quer zur Verfahrachse 5 verschiebbar ist.In the embodiment shown, only the
Die über die Werkzeugschlitten 19 und 20 verschiebbaren Biegestempel 17 und 18 werden über Antriebe 24 so verschoben, dass sie quer zur Verfahrachse 5 in Richtung des zentralen Biegestempels 23 zusammenfahren, wenn sich der zweite Werkzeugträger 6 in Hubrichtung auf den ersten Werkzeugträger 4 zubewegt. Wenn der zweite Werkzeugträger 6 dann wieder in eine angehobene Ausgangsstellung zurückgefahren ist, werden auch die über die Werkzeugschlitten 19 und 20 verschiebbaren Biegestempel 17 und 18 wieder in ihre Ausgangsstellung auseinanderfahren. Die an den Werkzeugschlitten 19 bzw. 20 geführten Biegestempel 17 und 18 führen also gesteuerte Bewegungen rechtwinklig zur Verfahrachse 5 des zweiten Werkzeugträgers 6 aus.The bending punches 17 and 18, which can be moved via the tool slides 19 and 20, are moved via
Über die Antriebe 24 werden die beiden an den jeweiligen Führungsschienen 21 und 22 des ersten und zweiten Werkzeugträger 4 bzw. 6 geführten Werkzeugschlitten 19 und 20 zusammen mit den daran befestigten Biegestempeln 17 und 18 gleichzeitig zusammen- oder auseinanderbewegt. In der gezeigten Ausführung sind die Antriebe 24 als Riementrieb mit einem über ein Antriebsrolle 25 und eine Umlenkrolle 26 geführten Endlosriemen 27 ausgeführt. Einer der auf jeder Führungsschiene 21 bzw. 22 angeordneten Werkzeugschlitten 19 bzw. 20 ist dabei an dem oberen Trum des Endlosriemens 27 und der andere Werkzeugschlitten 19 bzw. 20 an dem unteren Trum des Endlosriemens 27 befestigt, so dass die beiden Werkzeugschlitten 19 bzw. 20 bei der Drehung der Antriebsrolle 25 in der einen Richtung zusammengefahren und bei der Umkehrung der Drehrichtung der Antriebsrolle 25 auseinander gefahren werden. Die Antriebsrollen 25 werden jeweils über einem in
Wie aus
Zur Entnahme der fertig gebogenen Kühlkörper 3 ist an der Vorderseite der beiden Werkzeugträger 4 und 6 eine in
Anhand der
Zunächst wird ein zuvor mit mehreren seitlichen Abkantungen 44 versehenes Bandmaterial über die Führung 10 in eine in
Gemäß
Sobald die oberen Biegestempel 18 zur Anlage an der Platine 3 gelangen, werden bei einer weiteren Abwärtsbewegung des oben angeordneten zweiten Werkzeugträgers 6 sowohl die Biegestempel 17 und 18 als auch die Gegenhalter 39 mit den Stanz- und Haltestempeln 40 senkrecht zur Verfahrachse 5 in Richtung des zentralen Biegestempels 23 bewegt. Dabei wird die Platine 3 gemäß
Durch weitere Abwärtsbewegung der oberen Biegestempel 18 und weitere Verschiebung sowohl der Biegestempel 17 und 18 als auch der Gegenhalter 39 und der Stanz- und Haltestempel 40 senkrecht zur Verfahrachse 5 in Richtung des zentralen Biegestempels 23 wird dann die Platine 3 gemäß
Claims (10)
- Device (10) for manufacturing a meander-shaped heat sink (2) with a first tool carrier (4), a second tool carrier (6) displaceable in the direction of a displacement axis (5) relative to the first tool carrier (4) via a drive (7), a mounting (9) arranged between the first tool carrier (4) and the second tool carrier (6) for receiving a blank (3) and several bending punches (17, 18) guided displaceably at right-angles to the displacement axis (5) on the first and second tool carrier (4, 6) and which are moved together during displacement of the second tool carrier (6) in the direction of the first tool carrier (4) by drives (24) at right-angles to the displacement axis (5) of the tool carrier (6), characterised in that between the first tool carrier (4) and the second tool carrier (6), two rails (13, 15) movable against one another in the direction of the displacement axis (5) of the second tool carrier (6) are arranged with holding devices (39, 40) displaceable thereon at right-angles to the displacement axis (5) for mounting the ends of the blank (3).
- Device (1) according to claim 1, characterised in that the bending punches (17, 18) are arranged on tool slides (19, 20) which are guided displaceably on the tool carriers (4, 6) via guide rails (21, 22) parallel to one another.
- Device (1) according to claim 2, characterised in that respectively two tool slides (19, 20) with respectively one bending punch (17, 18) are guided displaceably on the guide rails (21, 22).
- Device (1) according to claim 2 or 3, characterised in that the tool slides (19, 20) guided displaceably on respectively one guide rail (21, 22) are displaced by the drives (24) so that they move together simultaneously when moving the second tool carrier (6) in the direction of the first tool carrier (4).
- Device (1) according to claim 4, characterised in that the drives (24) are designed to displace the tool slides (19, 20) guided displaceably on respectively one guide rail (21, 22) as a belt drive with a continuous belt (27) guided over a drive roller (25) and a deflection roller (26), wherein one of the tool slides (19, 20) is attached to an upper strand and the other tool slide (19, 20) to a lower strand of the continuous belt (27).
- Device (1) according to one of claims 1 to 5, characterised in that the holding devices (39, 40) are formed by a counter-holder (39) guided displaceably on the one rail (13) and a stamp and holding punch (40) guided displaceably on the other rail (15).
- Device (1) according to claim 6, characterised in that the counter-holders (39) and the stamp and holding punch (40) are arranged on two tool slides (30, 31) movable against one another and guided over guide rails (32, 33).
- Device (1) according to one of claims 1 to 7, characterised in that a first processing module (11) designed as a cutting and bending module and a second processing module (12) configured as a bending module are attached to the mounting (9) arranged between the first tool carrier (4) and the second tool carrier (6).
- Method for manufacturing a meander-shaped heat sink (2), in which the heat sink (2) is bent from a blank (3) in one working stroke by several bending punches (17, 18) movable in two axes perpendicular to one another, characterised in that the ends of the blank (3) are gripped by a holding device (39, 40) movable in two axes perpendicular to one another and moved into their end position.
- Method for manufacturing a meander-shaped heat sink (2) according to claim 9, characterised in that the heat sink (2) with its contact surfaces is calibrated after bending by pressing against the bending punches (17, 18).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017105049.3A DE102017105049A1 (en) | 2017-03-09 | 2017-03-09 | Apparatus and method for producing meander-shaped heat sink |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3372320A1 EP3372320A1 (en) | 2018-09-12 |
EP3372320B1 true EP3372320B1 (en) | 2022-03-09 |
Family
ID=60990704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18151652.7A Active EP3372320B1 (en) | 2017-03-09 | 2018-01-15 | Device and method for the preparation of meandering cooling bodies |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3372320B1 (en) |
DE (1) | DE102017105049A1 (en) |
ES (1) | ES2909134T3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110757895A (en) * | 2019-11-21 | 2020-02-07 | 广东利元亨智能装备股份有限公司 | Paper folding forming device |
CN114260655A (en) * | 2021-12-28 | 2022-04-01 | 浙江工业大学 | Four-axis linkage laser acute-angle bending forming device and method |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3722254A (en) * | 1970-11-17 | 1973-03-27 | M Katogir | Material forming apparatus |
DE2900672A1 (en) | 1979-01-10 | 1980-07-17 | M & W Fertigungsstrassen Gmbh | Bending of long material such as pipe or plate - esp. via machine contg. row of bending rolls for mfg. serpentine pipe coils |
CA2057152A1 (en) | 1990-12-18 | 1992-06-19 | Roman Traber | Method and device for corrugated deformation of a flat material sheet as well as a packaging component produced according to this method |
JPH09286063A (en) * | 1996-04-23 | 1997-11-04 | Hitachi Zosen Corp | Method for imparting bending directionality to sheet and apparatus |
US6195874B1 (en) | 1998-07-28 | 2001-03-06 | Hon Hai Precision Ind. Co., Ltd. | Folded fin forming method, machine and folded fin obtained therefrom |
-
2017
- 2017-03-09 DE DE102017105049.3A patent/DE102017105049A1/en not_active Withdrawn
-
2018
- 2018-01-15 EP EP18151652.7A patent/EP3372320B1/en active Active
- 2018-01-15 ES ES18151652T patent/ES2909134T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102017105049A1 (en) | 2018-09-13 |
ES2909134T3 (en) | 2022-05-05 |
EP3372320A1 (en) | 2018-09-12 |
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