WO2022253379A1 - Device and method for separating torsion springs - Google Patents

Device and method for separating torsion springs Download PDF

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Publication number
WO2022253379A1
WO2022253379A1 PCT/DE2022/100272 DE2022100272W WO2022253379A1 WO 2022253379 A1 WO2022253379 A1 WO 2022253379A1 DE 2022100272 W DE2022100272 W DE 2022100272W WO 2022253379 A1 WO2022253379 A1 WO 2022253379A1
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WO
WIPO (PCT)
Prior art keywords
torsion springs
mandrel
coil core
leg
driver
Prior art date
Application number
PCT/DE2022/100272
Other languages
German (de)
French (fr)
Inventor
David Pembroke
Richard Niedermueller
Sven Fischer
Original Assignee
Schaeffler Technologies AG & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to EP22718059.3A priority Critical patent/EP4347455A1/en
Priority to CN202280026845.0A priority patent/CN117120352A/en
Publication of WO2022253379A1 publication Critical patent/WO2022253379A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90Devices for picking-up and depositing articles or materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/02Devices for feeding articles or materials to conveyors
    • B65G47/04Devices for feeding articles or materials to conveyors for feeding articles
    • B65G47/06Devices for feeding articles or materials to conveyors for feeding articles from a single group of articles arranged in orderly pattern, e.g. workpieces in magazines

Definitions

  • the invention relates to a method for separating leg torsion springs and a device suitable for carrying out such a separating method.
  • the device should be able to be used in production lines for the assembly of electromechanical functional units and comprises a storage container, which is a drum that can be rotated about its central axis. In the central area of its rotation circumference, the reservoir has a continuously circumferential slot opening, which ensures that the spiral springs can get into a guide channel of a stator device. From the guide channel, the spiral springs reach a discharge channel, with two sensor devices being connected upstream of the discharge channel. The sensor devices are linked to a control device, which activates a so-called selection control in such a way that the individual coil springs to be used reach a receiving device.
  • the selection control feeds the corresponding parts to a collection container, which receives those parts that are to be removed from the manufacturing process.
  • a device described in DE 3641 359 A1 for automatically arranging and separating coil springs comprises a rotatable drum with a longitudinal axis inclined downwards. Inside the drum are two rollers with a comparatively small diameter, with a thread-like structure on one of the rollers making a significant contribution to conveying and separating the coil springs. On the inner peripheral surface of the drum there are driver elements which take the helical springs with them a little when the drum rotates, at most about half a revolution of the drum, and allow them to fall onto the rollers.
  • Another device for separating and feeding assembly parts, in particular springs is disclosed in DE 3321 173 A1. In this case, two loosening devices are provided for moving chunks of assembly parts relative to a housing wall.
  • a system for feeding connecting elements to a device for inserting and/or fastening the connecting elements in workpieces is described in DE 197 56 798 A1.
  • This system may include flexible delivery.
  • a reloading and separating device, to which the flexible supply is connected, is operated with compressed air.
  • a device for separating springs described in EP 1 348 650 A1 works with an air stream.
  • DE 31 42 282 A1 describes a device for separating springs, which includes a magnet.
  • a conveying device for piece goods, in particular screws or bolts described in DE 10 2010 021 474 A1
  • the parts to be conveyed are pulled out of a container by magnetic force, with several magnets being attached to a chain as an endless conveying device.
  • leg torsion springs Possible applications of leg torsion springs are described in the documents DE 2044 579 C3 and DE 101 10 367 A1.
  • torsion springs In contrast to compression springs designed as helical springs, torsion springs have, in addition to an area describing a thread shape, typically non-curved sections adjoining this area on both sides, which are intended to use the spring to exert a torque between two components that can be rotated in opposite directions, with the Pivot axis between the two components of the central axis of the coiled portion of the leg torsion spring corresponds.
  • the invention is based on the object compared to the prior art to specify further developed methods for separating leg torsion springs, where a particularly favorable relationship between equipment and process safety is sought.
  • the separating device comprises a mandrel on which several leg torsion springs can be provided, a cylinder for advancing the leg torsion springs on the mandrel, a fixed coil core arranged in a straight extension of the mandrel, the thread pitch of which is matched to the geometry of the leg torsion springs, and a the helical core concentrically surrounding, rotatable driver, which is designed for individually screwing the torsion springs onto the helical core.
  • the helical core represents a negative form of the torsion springs.
  • the separating device is thus suitable for handling leg torsion springs, which are already in the correct alignment on the mandrel, but can still be partially plugged into one another or screwed into one another.
  • the separating device is oriented vertically, where the workpieces, that is torsion springs, are conveyed from bottom to top.
  • the assembly which includes the filament core and the rotatable driver, is also referred to as a handling assembly.
  • the coil core is preferably dimensioned in such a way that the leg torsion springs can be screwed onto its thread without deformation, in particular with play.
  • the thread pitch of the helical core can deviate slightly from the thread pitch of the torsion springs, resulting in a targeted tightening of the torsion springs on the helical core, the further a torsion spring is screwed from the driver onto the helical core.
  • leg torsion springs based on the provision of a vertically oriented mandrel, on which numerous leg torsion springs are impaled in an at least partially overlapping manner, takes place in the following manner:
  • a handling assembly which is formed by a coil core, which has a thread that reproduces the shape of the leg torsion springs, and a rotatable driver surrounding the coil core concentrically,
  • the handling assembly is positioned on the mandrel
  • the top torsion spring is screwed onto the helical core by rotating the driver, with the next torsion spring initially remaining on the mandrel and being the top spring for the next individualization.
  • a leg torsion spring can be screwed onto the coil core, for example, until a stop position is reached.
  • a sensor system that detects whether and to what extent a leg torsion spring is screwed onto the coil core can also be used.
  • the handling assembly can be separated from the mandrel after screwing the top leg torsion spring onto the coil core, with the same leg torsion spring being separated again from the handling assembly by screwing it off from the coil core by means of the driver at a later point in time.
  • the torsion spring is transferred to a further device, for example an assembly machine, after it has been unscrewed from the coil core in a defined angular orientation, based on a rotation of the torsion spring about its own axis of symmetry.
  • the coil core has an outer diameter that is larger than the smallest inner diameter of the driver. Since with is in particular a plain bearing of the rotatable driver by the Wen delkern realized when securing the driver relative to the coil core in the axial direction.
  • the handling assembly After the handling assembly has been removed from the mandrel, the handling assembly can be fed to an assembly position in any orientation.
  • the isolated leg torsion spring can remain continuously in the vertical direction. It is also possible, after the handling assembly has been lifted off the mandrel, to transfer the leg torsion spring manually or automatically into a horizontal or oblique alignment. In any case, the thread structure of the helical core ensures that the leg torsion spring cannot unintentionally become detached from the handling assembly.
  • FIG. 1 shows a device for separating leg torsion springs in a partially schematic view.
  • a separating device identified overall by the reference number 1, is provided for the purpose of individually removing torsion springs 3, which are located on a mandrel 2, from the mandrel 2.
  • the mandrel 2 is made out of cardboard in the present case.
  • this one Handling assembly 7 placed, which includes a fixed coil core 8 and a rotatable driver 13.
  • each leg torsion spring 3 has a winding portion 4 in which it is wound helically with a constant pitch.
  • the winding area 4 ends at both ends in the form of a leg 5, 6, which is directed outwards.
  • the entire separating device 1 has a vertically aligned central axis MA, which corresponds to the axis of symmetry of the dome 2 and the handling assembly 7 .
  • the helical core 8 is placed directly onto the mandrel 2, with a small distance between the helical core 8 and the mandrel 2 also not being harmful.
  • the coil core 8 can represent a one-piece component of the handling assembly 7, with different sections 9, 10, 11 being distinguishable from one another. Specifically, these are a threaded section 9, a guide section 10, which has a smooth cylindrical wall and connects to the threaded section 9 at the top, and a front section 11, which connects to the underside of the threaded section 9. From the front section 11 runs out in the form of a conical section 12, which facilitates the transfer of the torsion springs 3 from the mandrel 2 to the handling assembly 7.
  • the driver 13 is placed concentrically over the coil core 8, with a sleeve senabites 15 surrounding the threaded portion 9.
  • the height of the sleeve section 15 to be measured in the longitudinal direction of the central axis MA corresponds approximately to the height of the threaded section 9.
  • the sleeve section 15 is flush with the threaded section 9.
  • the sleeve section 15 merges into a bearing section 16 which, in comparison to the sleeve section 15, has a reduced inner diameter. This forms an axial bearing surface 17 with which the driver 13 rests on the threaded section 9 .
  • a bore 18 which can be used for connection to other components of the handling assembly 7 which are not shown.
  • torsion springs 3 are to be transferred individually from the mandrel 2 to the handling assembly 7, the entire stack of torsion springs 3 impaled on the mandrel 2 is moved in the feed direction VR, which is the alignment of the Corresponds to central axis MA, advanced, that is raised in the present case. If the stack of leg torsion springs 3 is raised far enough, the leg 5 arranged furthest up can be gripped by an engagement contour 14 which is provided by the driver 13 .
  • the torsion spring 3 is screwed into the threaded section 9, which is to be understood as a negative form of the torsion spring 3, and at the same time is removed from the torsion springs 3 that are arranged further down and are still on the mandrel 2.
  • the torsion spring 3 After the complete recording of the torsion spring 3 in the handling construction group 7, it can be removed from the mandrel 2.
  • the torsion spring 3 can then be removed from the handling assembly 7 at a different location, also in a different alignment of the handling assembly 7, by rotating the driver 13 and, for example, transferred to an assembly machine or used directly in a device to be assembled.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles To Conveyors (AREA)

Abstract

The invention relates to a device for separating torsion springs (3) comprising a mandrel (2) on which several torsion springs (3) can be provided, a cylinder (19) for advancing the torsion springs (3) on the mandrel (2), a stationary spiral core (8) arranged in the extension straight ahead of the mandrel (2), the thread pitch of which is adapted to the geometry of the torsion springs (3), as well as a rotatable driver (13) concentrically surrounding the torsion core (8), which is designed for screwing the torsion springs (3) individually onto the torsion core (8).

Description

Vorrichtung und Verfahren zur Vereinzelung von Schenkeldrehfedern Device and method for separating leg torsion springs
Die Erfindung betrifft ein Verfahren zur Vereinzelung von Schenkeldrehfedern sowie eine zur Durchführung eines solchen Vereinzelungsverfahrens geeignete Vorrichtung. The invention relates to a method for separating leg torsion springs and a device suitable for carrying out such a separating method.
Die DE 41 09 194 A1 beschreibt eine Vorrichtung zur Zuführung von Kleinteilen, ins besondere Spiralfedern. Die Vorrichtung soll in Fertigungsstraßen zur Montage von elektromechanischen Funktionseinheiten einsetzbar sein und umfasst einen Vorrats behälter, bei welchem es sich um eine um seine Mittelachse drehbare Trommel han delt. Im Mittenbereich seines Rotationsumfangs weist der Vorratsbehälter eine durch gehend umlaufende Schlitzöffnung auf, welche dafür sorgt, dass die Spiralfedern in einen Führungskanal einer Statoreinrichtung gelangen können. Vom Führungskanal aus gelangen die Spiralfedern in einen Ausführkanal, wobei dem Ausführkanal zwei Sensoreinrichtungen vorgeschaltet sind. Die Sensoreinrichtungen sind mit einer Steu ereinrichtung verknüpft, welche eine sogenannte Auswahlsteuerung derart ansteuert, dass die zu verwendenden, vereinzelten Spiralfedern in eine Aufnahmeeinrichtung ge langen. Liegt keine verwendbare Spiralfeder vor, was zum Beispiel im Fall zweier ver hakter, ineinander gedrehter Spiralfedern gegeben ist, so führt die Auswahlsteuerung die entsprechenden Teile einem Auffangbehälter zu, welcher diejenigen Teile auf nimmt, die aus dem Fertigungsprozess zu entnehmen sind. DE 41 09 194 A1 describes a device for feeding small parts, in particular spiral springs. The device should be able to be used in production lines for the assembly of electromechanical functional units and comprises a storage container, which is a drum that can be rotated about its central axis. In the central area of its rotation circumference, the reservoir has a continuously circumferential slot opening, which ensures that the spiral springs can get into a guide channel of a stator device. From the guide channel, the spiral springs reach a discharge channel, with two sensor devices being connected upstream of the discharge channel. The sensor devices are linked to a control device, which activates a so-called selection control in such a way that the individual coil springs to be used reach a receiving device. If there is no spiral spring that can be used, which is the case, for example, in the case of two spiral springs that are hooked and twisted into one another, the selection control feeds the corresponding parts to a collection container, which receives those parts that are to be removed from the manufacturing process.
Eine in der DE 3641 359 A1 beschriebene Vorrichtung zum automatischen Ordnen und Vereinzeln von Schraubenfedern umfasst eine drehbare Trommel mit nach unten geneigter Längsachse. Innerhalb der Trommel befinden sich zwei Walzen mit ver gleichsweise kleinem Durchmesser, wobei eine gewindeartige Struktur einer der Wal zen maßgeblich zur Förderung und Vereinzelung der Schraubenfedern beiträgt. An der Innenumfangsfläche der Trommel befinden sich Mitnehmer-Elemente, welche die Schraubenfedern beim Drehen der Trommel ein Stück weit, maximal etwa eine halbe Umdrehung der Trommel, mitnehmen und auf die Walzen fallen lassen. Eine weitere Vorrichtung zum Vereinzeln und Zuführen von Montageteilen, insbeson dere Federn, ist in der DE 3321 173 A1 offenbart. In diesem Fall sind zwei Locke rungsvorrichtungen zum Bewegen von Montageteilklumpen relativ zu einer Gehäuse wand vorgesehen. A device described in DE 3641 359 A1 for automatically arranging and separating coil springs comprises a rotatable drum with a longitudinal axis inclined downwards. Inside the drum are two rollers with a comparatively small diameter, with a thread-like structure on one of the rollers making a significant contribution to conveying and separating the coil springs. On the inner peripheral surface of the drum there are driver elements which take the helical springs with them a little when the drum rotates, at most about half a revolution of the drum, and allow them to fall onto the rollers. Another device for separating and feeding assembly parts, in particular springs, is disclosed in DE 3321 173 A1. In this case, two loosening devices are provided for moving chunks of assembly parts relative to a housing wall.
Ein System zum Zuführen von Verbindungselementen zu einer Einrichtung zum Ein fügen und/oder Befestigen der Verbindungselemente in Werkstücken ist in der DE 197 56 798 A1 beschrieben. Dieses System kann eine flexible Zuführung umfassen. Eine Nachlade- und Vereinzelungseinrichtung, an welche die flexible Zuführung ange schlossen ist, wird mit Druckluft betrieben. A system for feeding connecting elements to a device for inserting and/or fastening the connecting elements in workpieces is described in DE 197 56 798 A1. This system may include flexible delivery. A reloading and separating device, to which the flexible supply is connected, is operated with compressed air.
Eine in der EP 1 348 650 A1 beschriebene Vorrichtung zum Vereinzeln von Federn arbeitet mit einem Luftstrom. Die DE 31 42 282 A1 beschreibt eine Vorrichtung zum Vereinzeln von Federn, welche einen Magneten umfasst. Im Fall einer in der DE 10 2010 021 474 A1 beschriebenen Fördervorrichtung für Stückgut, insbesondere Schrauben oder Bolzen, werden die zu fördernden Teile per Magnetkraft aus einem Behältnis herausgezogen, wobei mehrere Magneten auf einer Kette als Endlosförder vorrichtung angebracht sind. A device for separating springs described in EP 1 348 650 A1 works with an air stream. DE 31 42 282 A1 describes a device for separating springs, which includes a magnet. In the case of a conveying device for piece goods, in particular screws or bolts, described in DE 10 2010 021 474 A1, the parts to be conveyed are pulled out of a container by magnetic force, with several magnets being attached to a chain as an endless conveying device.
Mögliche Anwendungen von Schenkeldrehfedern sind in den Dokumenten DE 2044 579 C3 und DE 101 10 367 A1 beschrieben. Im Unterschied zu als Schraubenfedern ausgebildeten Druckfedern weisen Schenkeldrehfedern zusätzlich zu einem eine Ge windeform beschreibenden Bereich beidseitig an diesen Bereich anschließende, typi scherweise nicht gekrümmte Abschnitte auf, die dazu vorgesehen sind, mittels der Feder ein Drehmoment zwischen zwei gegeneinander verdrehbaren Bauteilen auszu üben, wobei die Schwenkachse zwischen den beiden Bauteilen der Mittelachse des gewundenen Bereichs der Schenkeldrehfeder entspricht. Possible applications of leg torsion springs are described in the documents DE 2044 579 C3 and DE 101 10 367 A1. In contrast to compression springs designed as helical springs, torsion springs have, in addition to an area describing a thread shape, typically non-curved sections adjoining this area on both sides, which are intended to use the spring to exert a torque between two components that can be rotated in opposite directions, with the Pivot axis between the two components of the central axis of the coiled portion of the leg torsion spring corresponds.
Der Erfindung liegt die Aufgabe zu Grunde, gegenüber dem Stand der Technik wei terentwickelte Methoden zur Vereinzelung von Schenkeldrehfedern anzugeben, wobei ein besonders günstiges Verhältnis zwischen apparativem Aufwand und Prozesssi cherheit angestrebt wird. The invention is based on the object compared to the prior art to specify further developed methods for separating leg torsion springs, where a particularly favorable relationship between equipment and process safety is sought.
Diese Aufgabe wird erfindungsgemäß gelöst durch eine die Merkmale des Anspruchs 1 aufweisende Vorrichtung zur Vereinzelung von Schenkeldrehfedern. Ebenso wird die Aufgabe gelöst durch ein Verfahren zur Vereinzelung von Schenkeldrehfedern gemäß Anspruch 5. Im Folgenden im Zusammenhang mit dem Vereinzelungsverfah ren erläuterte Ausgestaltungen und Vorteile der Erfindung gelten sinngemäß auch für die Vorrichtung, mit welcher Schenkeldrehfedern voneinander getrennt werden kön nen, und umgekehrt. This object is achieved according to the invention by a device having the features of claim 1 for separating leg torsion springs. The object is also achieved by a method for separating torsion springs according to claim 5. The configurations and advantages of the invention explained below in connection with the separation method also apply analogously to the device with which torsion springs can be separated from one another, and vice versa.
Die Vereinzelungsvorrichtung umfasst einen Dorn, auf welchem mehrere Schenkel drehfedern bereitstellbar sind, einen Zylinder zum Vorschieben der Schenkeldrehfe dern auf dem Dorn, einen in gerader Verlängerung des Doms angeordneten, festste henden Wendelkern, dessen Gewindesteigung auf die Geometrie der Schenkeldreh federn abgestimmt ist, sowie einen den Wendelkern konzentrisch umgebenden, dreh baren Mitnehmer, welcher zum einzelnen Aufschrauben der Schenkeldrehfedern auf den Wendelkern ausgebildet ist. Der Wendelkern stellt dabei eine Negativform der Schenkeldrehfedern dar. The separating device comprises a mandrel on which several leg torsion springs can be provided, a cylinder for advancing the leg torsion springs on the mandrel, a fixed coil core arranged in a straight extension of the mandrel, the thread pitch of which is matched to the geometry of the leg torsion springs, and a the helical core concentrically surrounding, rotatable driver, which is designed for individually screwing the torsion springs onto the helical core. The helical core represents a negative form of the torsion springs.
Die Vereinzelungsvorrichtung ist somit zum Handling von Schenkeldrehfedern geeig net, welche sich auf dem Dorn zwar bereits in der richtigen Ausrichtung befinden, je doch noch teilweise ineinander gesteckt oder ineinander geschraubt sein können. The separating device is thus suitable for handling leg torsion springs, which are already in the correct alignment on the mandrel, but can still be partially plugged into one another or screwed into one another.
In typischer Ausgestaltung ist die Vereinzelungsvorrichtung vertikal ausgerichtet, wo bei die Werkstücke, das heißt Schenkeldrehfedern, von unten nach oben gefördert werden. Die Baugruppe, welche den Wendelkern sowie den drehbaren Mitnehmer umfasst, wird auch als Handhabungsbaugruppe bezeichnet. In a typical configuration, the separating device is oriented vertically, where the workpieces, that is torsion springs, are conveyed from bottom to top. The assembly, which includes the filament core and the rotatable driver, is also referred to as a handling assembly.
Der Wendelkern ist vorzugsweise derart dimensioniert, dass die Schenkeldrehfedern ohne Verformung, insbesondere mit Spiel, auf dessen Gewinde aufschraubbar sind. Alternativ kann die Gewindesteigung des Wendelkerns geringfügig von der Gewinde steigung der Schenkeldrehfedern abweichen, sodass sich ein gezieltes Festspannen der Schenkdrehfedern auf dem Wendelkern ergibt, je weiter eine Schenkeldrehfeder vom Mitnehmer auf den Wendelkern aufgeschraubt wird. The coil core is preferably dimensioned in such a way that the leg torsion springs can be screwed onto its thread without deformation, in particular with play. Alternatively, the thread pitch of the helical core can deviate slightly from the thread pitch of the torsion springs, resulting in a targeted tightening of the torsion springs on the helical core, the further a torsion spring is screwed from the driver onto the helical core.
Allgemein geschieht die Vereinzelung der Schenkeldrehfedern, ausgehend von der Bereitstellung eines vertikal ausgerichteten Doms, auf welchem zahlreiche Schenkel drehfedern in sich zumindest teilweise überlappender Weise aufgespießt sind, in fol gender Weise: In general, the separation of the leg torsion springs, based on the provision of a vertically oriented mandrel, on which numerous leg torsion springs are impaled in an at least partially overlapping manner, takes place in the following manner:
- eine Handhabungsbaugruppe wird bereitgestellt, welche durch einen Wen delkern, der ein die Form der Schenkeldrehfedern abbildendes Gewinde aufweist, und einen den Wendelkern konzentrisch umgebenden, drehbaren Mitnehmer gebildet ist, - A handling assembly is provided, which is formed by a coil core, which has a thread that reproduces the shape of the leg torsion springs, and a rotatable driver surrounding the coil core concentrically,
- die Handhabungsbaugruppe wird auf dem Dorn positioniert, - the handling assembly is positioned on the mandrel,
- die Schenkeldrehfedern werden auf dem Dorn hochgeschoben, bis die oberste Schenkeldrehfeder durch den Mitnehmer greifbar ist, - the torsion springs are pushed up on the mandrel until the top torsion spring can be gripped by the driver,
- die oberste Schenkeldrehfeder wird auf den Wendelkern durch Rotation des Mitnehmers aufgeschraubt, wobei die nächste Schenkeldrehfeder zunächst auf dem Dorn verbleibt und die oberste Feder bei der nächsten Vereinze lung darstellt. - The top torsion spring is screwed onto the helical core by rotating the driver, with the next torsion spring initially remaining on the mandrel and being the top spring for the next individualization.
Das Aufschrauben einer Schenkeldrehfeder auf den Wendelkern kann beispielsweise bis zum Erreichen einer Anschlagposition erfolgen. Auch eine Sensorik, die detektiert, ob und inwieweit eine Schenkeldrehfeder auf den Wendelkern aufgeschraubt ist, kann zum Einsatz kommen. In jedem Fall kann die Handhabungsbaugruppe nach dem Auf schrauben der obersten Schenkeldrehfeder auf den Wendelkern vom Dorn getrennt werden, wobei zu einem späteren Zeitpunkt dieselbe Schenkeldrehfeder durch Ab schrauben vom Wendelkern mittels des Mitnehmers wieder von der Handhabungs baugruppe getrennt wird. ln vorteilhafter Verfahrensführung wird die Schenkeldrehfeder nach dem Abschrauben vom Wendelkern in definierter Winkelausrichtung, bezogen auf eine Drehung der Schenkeldrehfeder um ihre eigene Symmetrieachse, an eine weitere Vorrichtung, bei spielsweise eine Montagemaschine, übergeben. A leg torsion spring can be screwed onto the coil core, for example, until a stop position is reached. A sensor system that detects whether and to what extent a leg torsion spring is screwed onto the coil core can also be used. In any case, the handling assembly can be separated from the mandrel after screwing the top leg torsion spring onto the coil core, with the same leg torsion spring being separated again from the handling assembly by screwing it off from the coil core by means of the driver at a later point in time. In an advantageous method, the torsion spring is transferred to a further device, for example an assembly machine, after it has been unscrewed from the coil core in a defined angular orientation, based on a rotation of the torsion spring about its own axis of symmetry.
Gemäß einer möglichen Ausgestaltung weist der Wendelkern einen Außendurchmes ser auf, welcher größer als der geringste Innendurchmesser des Mitnehmers ist. Da mit ist insbesondere eine Gleitlagerung des drehbaren Mitnehmers durch den Wen delkern bei Sicherung des Mitnehmers gegenüber dem Wendelkern in Axialrichtung realisierbar. According to one possible embodiment, the coil core has an outer diameter that is larger than the smallest inner diameter of the driver. Since with is in particular a plain bearing of the rotatable driver by the Wen delkern realized when securing the driver relative to the coil core in the axial direction.
Nach dem Abnehmen der Handhabungsbaugruppe vom Dorn kann die Handha bungsbaugruppe in beliebiger Ausrichtung einer Montageposition zugeführt werden. Beispielsweise kann die vereinzelte Schenkeldrehfeder durchgehend in vertikaler Aus richtung verbleiben. Ebenso ist es möglich, die Schenkeldrehfeder nach dem Abheben der Handhabungsbaugruppe vom Dorn manuell oder automatisiert in eine horizontale oder schräg gerichtete Ausrichtung zu überführen. Die Gewindestruktur des Wendel kerns sorgt in jedem Fall dafür, dass sich die Schenkeldrehfeder nicht unbeabsichtigt von der Handhabungsbaugruppe lösen kann. After the handling assembly has been removed from the mandrel, the handling assembly can be fed to an assembly position in any orientation. For example, the isolated leg torsion spring can remain continuously in the vertical direction. It is also possible, after the handling assembly has been lifted off the mandrel, to transfer the leg torsion spring manually or automatically into a horizontal or oblique alignment. In any case, the thread structure of the helical core ensures that the leg torsion spring cannot unintentionally become detached from the handling assembly.
Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand einer Zeichnung nä her erläutert. Hierin zeigt: An embodiment of the invention is explained in more detail with reference to a drawing. Herein shows:
Fig. 1 eine Vorrichtung zur Vereinzelung von Schenkeldrehfedern in teils schematisierter Ansicht. 1 shows a device for separating leg torsion springs in a partially schematic view.
Eine insgesamt mit dem Bezugszeichen 1 gekennzeichnete Vereinzelungsvorrichtung ist dazu vorgesehen, Schenkeldrehfedern 3, welche sich auf einem Dorn 2 befinden, einzeln vom Dorn 2 abzunehmen. Der Dorn 2 ist im vorliegenden Fall aus Pappe her gestellt. Zur Abnahme der Schenkdrehfedern 3 vom Dorn 2 wird auf diesen eine Handhabungsbaugruppe 7 aufgesetzt, welche einen feststehenden Wendelkern 8 und einen drehbaren Mitnehmer 13 umfasst. A separating device, identified overall by the reference number 1, is provided for the purpose of individually removing torsion springs 3, which are located on a mandrel 2, from the mandrel 2. The mandrel 2 is made out of cardboard in the present case. To remove the Schenk torsion springs 3 from the mandrel 2 is on this one Handling assembly 7 placed, which includes a fixed coil core 8 and a rotatable driver 13.
Solange die Schenkeldrehfedern 3 auf den Dorn 2 aufgesteckt sind, können Überlap pungen zwischen einzelnen Schenkeldrehfedern 3 gegeben sein. Insbesondere kön nen mehrere Schenkeldrehfedern 3 ineinander geschraubt sein. Jede Schenkeldreh feder 3 weist einen Wicklungsbereich 4 auf, in welchem sie schraubenförmig mit kon stanter Steigung gewunden ist. Der Wicklungsbereich 4 läuft an seinen beiden Enden in Form jeweils eines Schenkels 5, 6 aus, der nach außen gerichtet ist. As long as the torsion springs 3 are attached to the mandrel 2, overlap pungen between individual torsion springs 3 can be given. In particular, several leg torsion springs 3 can be screwed into one another. Each leg torsion spring 3 has a winding portion 4 in which it is wound helically with a constant pitch. The winding area 4 ends at both ends in the form of a leg 5, 6, which is directed outwards.
Die gesamte Vereinzelungsvorrichtung 1 weist eine vertikal ausgerichtete Mittelachse MA auf, die der Symmetrieachse des Doms 2 sowie der Handhabungsbaugruppe 7 entspricht. Der Wendelkern 8 wird beim Betrieb der Vereinzelungsvorrichtung 1 unmit telbar auf den Dorn 2 aufgesetzt, wobei auch ein geringer Abstand zwischen dem Wendelkern 8 und dem Dorn 2 nicht schädlich ist. Der Wendelkern 8 kann eine ein stückige Komponente der Handhabungsbaugruppe 7 darstellen, wobei verschiedene Abschnitte 9, 10, 11 voneinander unterscheidbar sind. Im Einzelnen sind dies ein Ge windeabschnitt 9, ein Führungsabschnitt 10, welcher eine glatte zylindrische Wandung aufweist und oben an den Gewindeabschnitt 9 anschließt, sowie ein vorderer Ab schnitt 11 , der an die Unterseite des Gewindeabschnitts 9 anschließt. Der vordere Ab schnitt 11 läuft in Form eines konischen Abschnitts 12 aus, welcher die Übergabe der Schenkeldrehfedern 3 vom Dorn 2 an die Handhabungsbaugruppe 7 erleichtert. The entire separating device 1 has a vertically aligned central axis MA, which corresponds to the axis of symmetry of the dome 2 and the handling assembly 7 . During operation of the separating device 1, the helical core 8 is placed directly onto the mandrel 2, with a small distance between the helical core 8 and the mandrel 2 also not being harmful. The coil core 8 can represent a one-piece component of the handling assembly 7, with different sections 9, 10, 11 being distinguishable from one another. Specifically, these are a threaded section 9, a guide section 10, which has a smooth cylindrical wall and connects to the threaded section 9 at the top, and a front section 11, which connects to the underside of the threaded section 9. From the front section 11 runs out in the form of a conical section 12, which facilitates the transfer of the torsion springs 3 from the mandrel 2 to the handling assembly 7.
Der Mitnehmer 13 ist konzentrisch über den Wendelkern 8 gestülpt, wobei ein Hül senabschnitt 15 den Gewindeabschnitt 9 umgibt. Die in Längsrichtung der Mittelachse MA zu messende Höhe des Hülsenabschnitts 15 entspricht etwa der Höhe des Ge windeabschnitts 9. An seinem oberen Ende schließt der Hülsenabschnitt 15 bündig mit dem Gewindeabschnitt 9 ab. Der Hülsenabschnitt 15 geht an dieser Stelle in einen Lagerungsabschnitt 16 über, welcher im Vergleich zum Hülsenabschnitt 15 einen ver ringerten Innendurchmesser aufweist. Hierdurch ist eine Axiallagerfläche 17 gebildet, mit welcher der Mitnehmer 13 auf dem Gewindeabschnitt 9 aufliegt. Im Hülsenab- schnitt 15 ist eine Bohrung 18 erkennbar, die zur Verbindung mit weiteren, nicht dar gestellten Komponenten der Handhabungsbaugruppe 7 nutzbar ist. The driver 13 is placed concentrically over the coil core 8, with a sleeve senabschnitt 15 surrounding the threaded portion 9. The height of the sleeve section 15 to be measured in the longitudinal direction of the central axis MA corresponds approximately to the height of the threaded section 9. At its upper end, the sleeve section 15 is flush with the threaded section 9. At this point, the sleeve section 15 merges into a bearing section 16 which, in comparison to the sleeve section 15, has a reduced inner diameter. This forms an axial bearing surface 17 with which the driver 13 rests on the threaded section 9 . In the sleeve Section 15 shows a bore 18 which can be used for connection to other components of the handling assembly 7 which are not shown.
Sollen Schenkeldrehfedern 3 vereinzelt vom Dorn 2 an die Handhabungsbaugruppe 7 übergeben werden, so wird der gesamte Stapel auf den Dorn 2 aufgespießter Schen keldrehfedern 3 mittels eines Zylinders 19, welcher in Figur 1 lediglich andeutungs weise dargestellt ist, in Vorschubrichtung VR, die der Ausrichtung der Mittelachse MA entspricht, vorgeschoben, das heißt im vorliegenden Fall angehoben. Ist der Stapel an Schenkeldrehfedern 3 weit genug angehoben, so kann der am weitesten oben ange- ordnete Schenkel 5 durch eine Angriffskontur 14, welche durch den Mitnehmer 13 be reitgestellt wird, gegriffen werden. Durch das anschließende maschinelle Drehen des Mitnehmers 13 wird die Schenkeldrehfeder 3 in den Gewindeabschnitt 9, der als ne gative Form der Schenkeldrehfeder 3 zu verstehen ist, eingeschraubt und dabei gleichzeitig von weiter unten angeordneten, noch auf dem Dorn 2 befindlichen Schen- keldrehfedern 3 entfernt. If torsion springs 3 are to be transferred individually from the mandrel 2 to the handling assembly 7, the entire stack of torsion springs 3 impaled on the mandrel 2 is moved in the feed direction VR, which is the alignment of the Corresponds to central axis MA, advanced, that is raised in the present case. If the stack of leg torsion springs 3 is raised far enough, the leg 5 arranged furthest up can be gripped by an engagement contour 14 which is provided by the driver 13 . By subsequently turning the driver 13 by machine, the torsion spring 3 is screwed into the threaded section 9, which is to be understood as a negative form of the torsion spring 3, and at the same time is removed from the torsion springs 3 that are arranged further down and are still on the mandrel 2.
Nach der vollständigen Aufnahme der Schenkeldrehfeder 3 in der Handhabungsbau gruppe 7 kann diese vom Dorn 2 entfernt werden. Anschließend kann die Schenkel drehfeder 3 an anderer Stelle, auch in anderer Ausrichtung der Handhabungsbau- gruppe 7, durch Rotation des Mitnehmers 13 wieder von der Handhabungsbaugruppe 7 entfernt werden und zum Beispiel an eine Montagemaschine übergeben oder direkt in ein zu montierendes Gerät eingesetzt werden. After the complete recording of the torsion spring 3 in the handling construction group 7, it can be removed from the mandrel 2. The torsion spring 3 can then be removed from the handling assembly 7 at a different location, also in a different alignment of the handling assembly 7, by rotating the driver 13 and, for example, transferred to an assembly machine or used directly in a device to be assembled.
Bezuqszeichenliste Reference character list
1 Vereinzelungsvorrichtung 1 separation device
2 Dorn 2 thorn
3 Schenkeldrehfeder 3 leg torsion spring
4 Wicklungsbereich 4 winding area
5 Schenkel 5 thighs
6 Schenkel 6 thighs
7 Handhabungsbaugruppe 7 handling assembly
8 Wendelkern 8 helical core
9 Gewindeabschnitt 9 threaded section
10 Führungsabschnitt 10 guide section
11 vorderer Abschnitt 11 front section
12 konischer Abschnitt 12 conical section
13 Mitnehmer 13 drivers
14 Angriffskontur 14 Attack Contour
15 Hülsenabschnitt 15 sleeve section
16 Lagerungsabschnitt 16 storage section
17 Axiallagerfläche 17 thrust bearing surface
18 Bohrung 18 bore
19 Zylinder 19 cylinders
MA Mittelachse VR Vorschubrichtung MA central axis VR feed direction

Claims

Patentansprüche patent claims
1. Vorrichtung zur Vereinzelung von Schenkeldrehfedern (3), umfassend einen Dorn (2), auf welchem mehrere Schenkeldrehfedern (3) bereitstellbar sind, ei nen Zylinder (19) zum Vorschieben der Schenkeldrehfedern (3) auf dem Dorn (2), einen in gerader Verlängerung des Doms (2) angeordneten, festste henden Wendelkern (8), dessen Gewindesteigung auf die Geometrie der Schenkeldrehfedern (3) abgestimmt ist, sowie einen den Wendelkern (8) kon zentrisch umgebenden, drehbaren Mitnehmer (13), welcher zum einzelnen Aufschrauben der Schenkeldrehfedern (3) auf den Wendelkern (8) ausgebildet ist. 1. Device for separating torsion springs (3), comprising a mandrel (2) on which several torsion springs (3) can be provided, a cylinder (19) for advancing the torsion springs (3) on the mandrel (2), an in straight extension of the mandrel (2), fixed existing coil core (8), the thread pitch of which is matched to the geometry of the torsion springs (3), as well as a rotatable driver (13) concentrically surrounding the coil core (8), which can be screwed on individually of the leg torsion springs (3) is formed on the coil core (8).
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass der Wendel kern (8) einen Außendurchmesser aufweist, welcher größer als der Innen durchmesser des Mitnehmers (13) ist. 2. Device according to claim 1, characterized in that the helical core (8) has an outer diameter which is larger than the inner diameter of the driver (13).
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Mitneh mer (13) durch den Wendelkern (8) gleitgelagert und in Axialrichtung gesichert ist. 3. A device according to claim 2, characterized in that the driver (13) is slidingly supported by the coil core (8) and is secured in the axial direction.
4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Wendelkern (8) ebenso wie die mit dessen Mittelachse (MA) überein stimmende Rotationsachse des Mitnehmers (13) vertikal ausgerichtet ist. 4. Device according to one of claims 1 to 3, characterized in that the coil core (8) as well as the axis of rotation of the carrier (13) which corresponds to its central axis (MA) is aligned vertically.
5. Verfahren zur Vereinzelung von Schenkeldrehfedern (3), mit folgenden Merk malen: 5. Process for separating leg torsion springs (3), with the following features:
- Bereitstellung eines vertikal ausgerichteten Doms (2), auf welchem Schen keldrehfedern (3) in sich zumindest teilweise überlappender Weise aufge spießt sind, - Provision of a vertically aligned dome (2) on which torsion springs's (3) are impaled in an at least partially overlapping manner,
- Bereitstellung einer Handhabungsbaugruppe (7), welche durch einen Wen delkern (8), der ein die Form der Schenkeldrehfedern (3) abbildendes Ge winde aufweist, und einen den Wendelkern (8) konzentrisch umgebenden, drehbaren Mitnehmer (13) gebildet ist, - Provision of a handling assembly (7) which is formed by a coil core (8) which has a thread which reproduces the shape of the leg torsion springs (3) and a rotatable driver (13) which concentrically surrounds the coil core (8),
- Positionierung der Handhabungsbaugruppe (7) auf dem Dorn (2), - Hochschieben der Schenkeldrehfedern (3) auf dem Dorn (2), bis die oberste Schenkeldrehfeder (3) durch den Mitnehmer (13) greifbar ist, - positioning of the handling assembly (7) on the mandrel (2), - pushing the torsion springs (3) up on the mandrel (2) until the top torsion spring (3) can be gripped by the driver (13),
- Aufschrauben der obersten Schenkeldrehfeder (3) auf den Wendelkern (8) durch Rotation des Mitnehmers (13), wobei die nächste Schenkeldrehfeder (3) auf dem Dorn (2) verbleibt. - Screwing the top torsion spring (3) onto the coil core (8) by rotating the driver (13), with the next torsion spring (3) remaining on the mandrel (2).
6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass die oberste Schenkeldrehfeder (3) bis zum Erreichen einer Anschlagposition auf den Wen delkern (8) aufgeschraubt wird. 6. The method according to claim 5, characterized in that the top leg torsion spring (3) is screwed onto the spiral core (8) until it reaches a stop position.
7. Verfahren nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die Hand- habungsbaugruppe (7) nach dem Aufschrauben der obersten Schenkeldrehfe der (3) auf den Wendelkern (8) vom Dorn (2) getrennt wird und zu einem späte ren Zeitpunkt die Schenkeldrehfeder (3) durch Abschrauben vom Wendelkern (8) mittels des Mitnehmers (13) wieder von der Handhabungsbaugruppe (7) ge trennt wird. 7. The method according to claim 5 or 6, characterized in that the handling assembly (7) is separated after screwing the top leg rotary spring (3) onto the coil core (8) from the mandrel (2) and at a later date Leg torsion spring (3) by unscrewing from the helical core (8) by means of the driver (13) ge again from the handling assembly (7) separates.
8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass die Schenkel drehfeder (3) nach dem Abschrauben vom Wendelkern (8) in definierter Win kelausrichtung, bezogen auf eine Drehung der Schenkeldrehfeder (3) um ihre eigene Symmetrieachse, an eine weitere Vorrichtung übergeben wird. 8. The method according to claim 7, characterized in that the leg torsion spring (3) after unscrewing from the coil core (8) in a defined angular orientation, based on a rotation of the leg torsion spring (3) about its own axis of symmetry, is transferred to another device .
PCT/DE2022/100272 2021-06-01 2022-04-11 Device and method for separating torsion springs WO2022253379A1 (en)

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EP22718059.3A EP4347455A1 (en) 2021-06-01 2022-04-11 Device and method for separating torsion springs
CN202280026845.0A CN117120352A (en) 2021-06-01 2022-04-11 Apparatus and method for separating torsion springs

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DE102021114100.1 2021-06-01
DE102021114100.1A DE102021114100A1 (en) 2021-06-01 2021-06-01 Device and method for separating leg torsion springs

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2044579A1 (en) 1970-09-09 1972-03-16 Geyer Fa Christian Device plug with hinged cover
DE3142282A1 (en) 1981-03-30 1982-10-21 Frank L. Wells Co., 53140 Kenosha, Wis. Process and device for the individual separation of springs
JPS59149824U (en) * 1983-03-28 1984-10-06 三洋電機株式会社 coil spring separation device
DE3321173A1 (en) 1983-06-11 1984-12-13 Walter Attnang-Puchheim Sticht Device for separating and, if necessary, feeding assembly parts
JPS61203230A (en) * 1985-03-01 1986-09-09 Aisan Ind Co Ltd Coil spring separation unit
DE3641359A1 (en) 1986-12-03 1988-06-16 Oku Automatik Otto Kurz Gmbh & Apparatus for automatically ordering and singling helical springs
DE4109194A1 (en) 1991-03-18 1992-09-24 Siemens Ag Separation and feed mechanism for small components e.g. for safety switch - separates e.g. spiral springs with verification of component geometry
DE19756798A1 (en) 1997-12-19 1999-06-24 Schmidt Dieter Maschbau Connector components supply system for presses etc.
DE10110367A1 (en) 2001-03-03 2002-09-12 Bruno Gruber Terminal clamp with light-emission element, has clamping parts each connected with terminal wires of light-emission element
EP1348650A1 (en) 2002-03-18 2003-10-01 Société Technique d'Automatisme et d'Ensembles à Ressorts, dite STAER Mechanical device combined with air flow for disentrangling springs
DE102010021474A1 (en) 2010-05-25 2011-12-01 Roland Gebert Method for removing, aligning and depositing general cargo with heads, particularly screws and bolts, from containers, involves pulling general cargo from containers by magnet that is fixed on conveying device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2044579A1 (en) 1970-09-09 1972-03-16 Geyer Fa Christian Device plug with hinged cover
DE3142282A1 (en) 1981-03-30 1982-10-21 Frank L. Wells Co., 53140 Kenosha, Wis. Process and device for the individual separation of springs
JPS59149824U (en) * 1983-03-28 1984-10-06 三洋電機株式会社 coil spring separation device
DE3321173A1 (en) 1983-06-11 1984-12-13 Walter Attnang-Puchheim Sticht Device for separating and, if necessary, feeding assembly parts
JPS61203230A (en) * 1985-03-01 1986-09-09 Aisan Ind Co Ltd Coil spring separation unit
DE3641359A1 (en) 1986-12-03 1988-06-16 Oku Automatik Otto Kurz Gmbh & Apparatus for automatically ordering and singling helical springs
DE4109194A1 (en) 1991-03-18 1992-09-24 Siemens Ag Separation and feed mechanism for small components e.g. for safety switch - separates e.g. spiral springs with verification of component geometry
DE19756798A1 (en) 1997-12-19 1999-06-24 Schmidt Dieter Maschbau Connector components supply system for presses etc.
DE10110367A1 (en) 2001-03-03 2002-09-12 Bruno Gruber Terminal clamp with light-emission element, has clamping parts each connected with terminal wires of light-emission element
EP1348650A1 (en) 2002-03-18 2003-10-01 Société Technique d'Automatisme et d'Ensembles à Ressorts, dite STAER Mechanical device combined with air flow for disentrangling springs
DE102010021474A1 (en) 2010-05-25 2011-12-01 Roland Gebert Method for removing, aligning and depositing general cargo with heads, particularly screws and bolts, from containers, involves pulling general cargo from containers by magnet that is fixed on conveying device

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EP4347455A1 (en) 2024-04-10
DE102021114100A1 (en) 2022-12-01

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