EP2009652A2 - Method for manufacturing transformer cores - Google Patents
Method for manufacturing transformer cores Download PDFInfo
- Publication number
- EP2009652A2 EP2009652A2 EP08011306A EP08011306A EP2009652A2 EP 2009652 A2 EP2009652 A2 EP 2009652A2 EP 08011306 A EP08011306 A EP 08011306A EP 08011306 A EP08011306 A EP 08011306A EP 2009652 A2 EP2009652 A2 EP 2009652A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- transformer core
- sheets
- stacking
- turntables
- sheet
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
Definitions
- the invention relates to methods for producing transformer cores, which are formed from a plurality of stacked sheets, wherein the sheets are unrolled from a supply roll continuously, subsequently cut to length and shape, conveyed after cutting over a conveyor belt system and stacked on a stacking table ,
- the invention has for its object to provide methods of the specified type, in which complete transformer cores in E and C shape are made directly from the manufacturing plant for the individual sheets, the efficiency of the entire system or in the production of transformer cores essential is increased and the production costs are substantially reduced.
- the inventive method is characterized primarily by the fact that both individual sheets and packages with a plurality of sheets are stacked directly to a transformer core. Only then is the respective stacking table moved to the next position for stacking the next individual sheets or sheet metal packages. This results in a tremendous time savings. A further time saving is achieved in that a plurality of stacking tables or stacking tables are provided with turntables mounted thereon, whereby multiple transformer cores can be produced simultaneously.
- transformer cores 1 which are formed from a plurality of sheets 2 - 6, the sheets 2 - 6 are continuously unrolled from a supply roll in a plant, then cut to length and shape, after cutting over a Promoted conveyor belt system and stacked on one or more stacking tables 11.
- a first method (see in particular Fig. 3 ) are alternately in each case alternately a plurality of sheets of a leg side 2 nd.4 of the transformer core 1 on the stacking tables 11 and a plurality of sheets of a yoke side 5 and 6 on tray tables in at least two in the conveying direction of the sheets 2-6 stacked stacking stations 12 15 stacked on top of each other.
- Such stacked packages of sheets 2 - 6 consist for example of 3 - 14 sheets.
- a plurality of sheets of the other leg 4 and 2 of the transformer core 1 on the stacking tables 11 and a plurality of sheets of the other yoke 6 and 5 are alternately stacked in receiving devices 13 in the stacking stations 12, respectively .
- a plurality of sheets of the center leg 3 of the transformer core 1 are alternately stacked on top of each other, wherein simultaneously handling systems 14, the packages of sheets of a yoke 6 and 5 rotate in the right-angled position to the conveying direction a.
- the handling systems 14 put the packets of sheets of a yoke side 6 and 5 with their ends to the an ends of the packets of the sheets of the leg sides 2, 4 and the packets of the sheets of the center leg 3 on the stacking tables 11 from.
- the method steps described up to here are repeated until the total height of the respective transformer core 1, which has an open E-transformer core (see FIG Fig. 1 ), on whose leg sides 2, 4 and the middle leg 3 later the windings are applied. Only then are the sheets of the other yoke side 5 or 6, which were stacked on the tray tables 15, applied to the leg sides 2, 4 and the middle leg 3 of the E-transformer core 1 by hand.
- a second method are also in at least two in the conveying direction (a) of the sheets stacked stacking stations 12 initially alternately each alternately a plurality of sheets of a leg side 2 or 4 of the transformer core 1 on the stacking tables 11 and a plurality of sheets of a yoke side 5 and 6 in Receiving devices 16 stacked one above the other.
- alternately a plurality of sheets of the other leg side 4 and 2 of the transformer core 1 are stacked on the stacking tables 11 and a plurality of sheets of the other yoke side 6 and 5 in other receiving means 13 stacked on top of each other.
- a plurality of sheets of the center leg 3 of the transformer core 1 are alternately stacked on top of each other, wherein at the same time Handling systems 14, 17 rotate the packets of sheets of the two yoke sides 5 and 6 in the orthogonal position to the conveying direction a. Thereafter, the handling systems 14, 17 place the packets of sheets of the yoke sides 5 and 6 with their ends at the ends of the packets of the sheets of the leg sides 2, 4 or the packets of the sheets of the center leg 3 on the stacking tables 11.
- This third method in which an open C-transformer core is stacked (see Fig. 2 ), differs from the first method only in that the stacking of the center leg 3 is omitted. Otherwise, the process steps of the two methods are identical.
- the fourth method in which a closed C-transformer core is stacked, also differs from the second method only in that the stacking of the center leg 3 is omitted. Otherwise, the process steps of the two methods are identical here as well.
- At least two 21, 23 of at least four 21, 22, 23, 24 in the conveying direction a of the sheets 2 -6 arranged one behind the other, mounted on stacking tables turntables is in a fifth method, first alternately a plurality of sheets of a leg side 2 and 4 of the Transformer core 1 stacked on top of each other, the two other turntables 22, 24 are moved to the appropriate position and rotated ( Fig. 4a ). Again, there is such a stacked package, for example, 3 - 14 sheets.
- the two other turntables 22, 24 is then alternately stacked one above the other the first packet of sheets of metal sheets of the other leg side 4 and 2 of the transformer core 1, wherein the turntables 21, 23 each in the position for stacking the sheets the respective one yoke side 5 and 6 of the transformer core 1 are moved and rotated ( Fig. 4f ).
- the other turntables 22, 24 each side to the position for stacking the sheets the respective one yoke side 5 and 6 of the transformer core 1 are moved and rotated ( Fig. 4g ).
- the two other turntables 22, 24 is then alternately one of the first packet of sheets corresponding plurality of sheets of a yoke side 5, 6 of the transformer core 1 stacked, the one turntables 21, 23 respectively in the position for stacking the sheets of a leg side 2 and 4 of the transformer core 1 moved and rotated. Thereafter, the method steps described here are also repeated here until reaching the total height of the respective transformer core 1, which likewise has an open e-transformer core (see FIG Fig. 1 ), on whose leg sides 2, 4 and the center leg 3 later the winding is applied (see also description of the first method).
- a sixth method the method steps as described in the FIGS. 4a - 4g illustrated and described above, the third method. Thereafter, on the two other turntables 22, 24 alternately each one of the first packet of sheets corresponding plurality of sheets of a yoke side 5 and 6 of the transformer core 1 stacked one above the other, now the turntables 21, 23 each in the position for stacking the Be moved sheets of the other yoke side 6 and 5 of the transformer core 1 ( Fig. 4h ).
- a plurality of sheets of the other yoke side 6 and 5 of the transformer core 1 are alternately stacked on the one turntable 21, 23, respectively, with the other turntables 21, 23 laterally in the position for stacking the sheets the respective other yoke side 6 or 5 of the transformer core 1 are moved ( Fig. 4i ).
- On the two other turntables 22, 24 is then alternately stacked one after the first packet of sheets corresponding plurality of sheets of the other yoke side 6 and 5 of the transformer core 1, wherein the one turntable 21, 23 respectively in the position for stacking the sheets the one leg side 2 or 4 of the transformer core 1 are moved and rotated ( Fig. 4j ).
- the method steps described up to here are repeated until reaching the total height of the respective transformer core 1, which then also a closed transformer core (see also Fig. 1 and description of the second method).
- This seventh method differs from the fifth method only in turn in that the destacking of the center leg 3 is omitted. Otherwise, the process steps of the two methods are identical.
- the eighth method in which a closed C-transformer core is stacked, also differs from the sixth method only in that the stacking of the center leg 3 is omitted. Otherwise, the process steps of the two methods are identical here as well.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
Die Erfindung bezieht sich auf Verfahren zur Herstellung von Transformatorkernen, die aus einer Vielzahl von abgestapelten Blechen gebildet sind, wobei die Bleche von einer Vorratsrolle kontinuierlich abgerollt, nachfolgend auf Länge und Form geschnitten, nach dem Schneiden über ein Transportbandsystem gefördert und auf einem Stapeltisch abgestapelt werden.The invention relates to methods for producing transformer cores, which are formed from a plurality of stacked sheets, wherein the sheets are unrolled from a supply roll continuously, subsequently cut to length and shape, conveyed after cutting over a conveyor belt system and stacked on a stacking table ,
Um Transformatorkerne herstellen zu können, werden bisher Blechpakete in einer Anlage schnittkantenunabhängig hintereinander abgelegt. Später werden die einzelnen relativ großen Bleche der Blechpakete zumeist durch zwei Personen von Hand zu einem Transformatorkern zusammengesetzt. Der Arbeits-und Zeitaufwand ist hierbei sehr hoch, wodurch die Kosten für die Herstellung eines Transformatorkerns ebenfalls relativ hoch sind.In order to be able to produce transformer cores, laminated cores have hitherto been deposited one after the other in a system independent of the cutting edges. Later, the individual relatively large sheets of laminated cores are usually assembled by two people by hand to form a transformer core. The labor and time is very high, whereby the cost of producing a transformer core are also relatively high.
Der Erfindung liegt die Aufgabe zugrunde, Verfahren der angegebenen Gattung zu schaffen, bei denen komplette Transformatorkerne in E- und C-Form direkt von der Herstellungsanlage für die einzelnen Bleche hergestellt werden, wobei die Effizienz der gesamten Anlage bzw. bei der Herstellung von Transformatorkernen wesentlich erhöht ist und die Herstellkosten wesentlich reduziert sind.The invention has for its object to provide methods of the specified type, in which complete transformer cores in E and C shape are made directly from the manufacturing plant for the individual sheets, the efficiency of the entire system or in the production of transformer cores essential is increased and the production costs are substantially reduced.
Diese Aufgabe wird erfindungsgemäß durch Verfahren gemäß den Kennzeichnungsteilen der Patentansprüche 1 bis 8 gelöst.This object is achieved by methods according to the characterizing parts of
Die erfindungsgemäßen Verfahren zeichnen sich in erster Linie dadurch aus, dass sowohl einzelne Bleche und auch Pakete mit einer Mehrzahl von Blechen direkt zu einem Transformatorkern abgestapelt werden. Erst danach wird der jeweilige Stapeltisch in die nächste Position zum Abstapeln der nächsten Einzelbleche oder Blech-Pakete verfahren. Dadurch entsteht eine ernorme Zeitersparnis. Eine weitere Zeitersparnis wird dadurch erreicht, dass mehrere Stapeltische bzw. Stapeltische mit darauf befestigten Drehtischen vorgesehen sind, wodurch mehrere Transformatorkerne gleichzeitig hergestellt werden können.The inventive method is characterized primarily by the fact that both individual sheets and packages with a plurality of sheets are stacked directly to a transformer core. Only then is the respective stacking table moved to the next position for stacking the next individual sheets or sheet metal packages. This results in a tremendous time savings. A further time saving is achieved in that a plurality of stacking tables or stacking tables are provided with turntables mounted thereon, whereby multiple transformer cores can be produced simultaneously.
Weitere Vorteile der Verfahren ergeben sich aus der nachfolgenden Beschreibung anhand der schematischen Zeichnungen zur Erläuterung der Verfahren. Dabei zeigt
- Fig. 1
- eine Draufsicht eines offenen E-Transformatorkerns,
- Fig. 2
- eine Draufsicht eines offenen Einphasen-Transformatorkerns,
- Fig. 3
- in Draufsicht zwei hintereinander angeordnete Stapelstationen und die
- Fign. 4a bis 4j
- in Draufsicht die Bewegungsabfolge bei den Verfahren mit auf den Stapeltischen befestigten Drehtischen.
- Fig. 1
- a top view of an open e-transformer core,
- Fig. 2
- a top view of an open single-phase transformer core,
- Fig. 3
- in plan view two successively arranged stacking stations and the
- FIGS. 4a to 4j
- in plan view, the sequence of movements in the process with attached to the stacking tables turntables.
Bei den nachfolgend beschriebenen Verfahren zur Herstellung von Transformatorkernen 1, die aus einer Vielzahl von Blechen 2 - 6 gebildet sind, werden in einer Anlage die Bleche 2 - 6 von einer Vorratsrolle kontinuierlich abgerollt, nachfolgend auf Länge und Form geschnitten, nach dem Schneiden über ein Transportbandsystem gefördert und auf einem oder mehreren Stapeltischen 11 abgestapelt.In the method described below for the production of
Obwohl mit den Verfahren einzelne Bleche wie auch Pakete von Blechen abgestapelt werden können, sind nachfolgend zur Vereinfachung lediglich die Verfahren zur Abstapelung von Paketen von Blechen beschrieben.Although the methods can be used to stack individual sheets as well as packages of sheets, for the sake of simplicity only the methods for stacking packages of sheets are described below.
Bei einem ersten Verfahren (siehe hierzu insbesondere
Bei einem zweiten Verfahren (siehe auch hierzu insbesondere
Dieses dritte Verfahren, bei dem ein offener C-Transformatorkern abgestapelt wird (siehe
Das vierte Verfahren, bei dem ein geschlossener C-Transformatorkern abgestapelt wird, unterscheidet sich von dem zweiten Verfahren ebenfalls lediglich dadurch, dass das Abstapeln des Mittelschenkels 3 entfällt. Ansonsten sind die Verfahrenschritte der beiden Verfahren auch hier identisch.The fourth method, in which a closed C-transformer core is stacked, also differs from the second method only in that the stacking of the
Auf mindestens zwei 21, 23 von mindestens vier 21, 22, 23, 24 in Förderrichtung a der Bleche 2 -6 hintereinander angeordneten, auf Stapeltischen befestigten Drehtischen wird bei einem fünften Verfahren zunächst wechselweise jeweils eine Mehrzahl von Blechen einer Schenkelseite 2 bzw. 4 des Transformatorkerns 1 übereinander gestapelt, wobei die beiden anderen Drehtische 22, 24 in die entsprechende Position verfahren und gedreht werden (
Bei einem sechsten Verfahren entsprechen die Verfahrenschritte, wie sie in den
Dieses siebte Verfahren, bei dem nun wieder ein offener C-Transformatorkern abgestapelt wird (siehe
Das achte Verfahren, bei dem ein geschlossener C-Transformatorkern abgestapelt wird, unterscheidet sich von dem sechsten Verfahren ebenfalls lediglich dadurch, dass das Abstapeln des Mittelschenkels 3 entfällt. Ansonsten sind die Verfahrenschritte der beiden Verfahren auch hier identisch.The eighth method, in which a closed C-transformer core is stacked, also differs from the sixth method only in that the stacking of the
Es versteht sich von selbst, dass auch nur ein, zwei oder mehr als zwei Stapeltische und/oder zwei oder mehr als vier Drehtische vorgesehen sein können, wobei vorzugsweise eine gerade Anzahl von Tischen vorgesehen sein sollte, was wiederum die Effizienz weiter steigert.It goes without saying that only one, two or more than two stacking tables and / or two or more than four rotary tables can be provided, preferably an even number of tables should be provided, which in turn further increases the efficiency.
Wie bereits erwähnt, ist es darüber hinaus möglich, mit den jeweiligen Verfahren auch einzelne Bleche, d.h. Blech für Blech zu dem jeweiligen Transformatorkern abzustapeln.As already mentioned, it is also possible to stack individual sheets, ie sheet by sheet, to the respective transformer core with the respective method.
- 11
- Transformatorkerntransformer core
- 22
- Bleche der einen Schenkelseite von 1Sheets of one leg side of 1
- 33
- Bleche des Mittelschenkels von 1Sheets of the middle leg of 1
- 44
- Bleche der anderen Schenkelseite von 1Sheets of the other side of the thigh from 1
- 55
- Bleche der einen Jochseite von 1Sheets of a yoke side of 1
- 66
- Bleche der anderen Jochseite von 1Sheets of the other yoke side from 1
- 1111
- Stapeltische von 12Stacking tables of 12
- 1212
- Stapelstationen allg.Stacking stations general
- 1313
- Aufnahmeeinrichtungen von 14Reception facilities of 14
- 1414
- Handlingsysteme von 12Handling systems of 12
- 1515
- Ablagetische von 12Tray tables of 12
- 1616
- Aufnahmeeinrichtungen von 17Reception facilities of 17
- 1717
- weitere Handlingsysteme von 12further handling systems from 12
- 2121
- erster Drehtischfirst turntable
- 2222
- zweiter Drehtischsecond turntable
- 2323
- dritter Drehtischthird turntable
- 2424
- vierter Drehtischfourth turntable
- aa
- Förderrichtung von 2 bis 6Conveying direction from 2 to 6
Claims (8)
wobei die anderen Drehtische (22, 24) jeweils seitlich in die Position zum Abstapeln der Bleche der anderen Schenkelseite (4 bzw. 2) des Transformatorkerns (1) verfahren werden;
wherein the other turntables (22, 24) are each laterally moved to the position for stacking the sheets of the other leg side (4 or 2) of the transformer core (1);
wobei die anderen Drehtische (22, 24) jeweils seitlich in die Position zum Abstapeln der Bleche der anderen Schenkelseite (4 bzw. 2) des Transformatorkerns (1) verfahren werden;
wherein the other turntables (22, 24) are each laterally moved to the position for stacking the sheets of the other leg side (4 or 2) of the transformer core (1);
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200831533T SI2009652T1 (en) | 2007-06-30 | 2008-06-21 | Method of manufacturing transformer cores |
PL08011306T PL2009652T3 (en) | 2007-06-30 | 2008-06-21 | Method of manufacturing transformer cores |
HRP20151225TT HRP20151225T1 (en) | 2007-06-30 | 2015-11-13 | Method for manufacturing transformer cores |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007030491A DE102007030491B3 (en) | 2007-06-30 | 2007-06-30 | Method for producing transformer cores |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2009652A2 true EP2009652A2 (en) | 2008-12-31 |
EP2009652A3 EP2009652A3 (en) | 2014-05-21 |
EP2009652B1 EP2009652B1 (en) | 2015-08-19 |
Family
ID=39791433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08011306.1A Not-in-force EP2009652B1 (en) | 2007-06-30 | 2008-06-21 | Method of manufacturing transformer cores |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2009652B1 (en) |
DE (1) | DE102007030491B3 (en) |
HR (1) | HRP20151225T1 (en) |
PL (1) | PL2009652T3 (en) |
SI (1) | SI2009652T1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019030350A1 (en) * | 2017-08-10 | 2019-02-14 | Heinrich Georg Gmbh Maschinenfabrik | Method and robot system for producing transformer cores |
CN113539657A (en) * | 2021-06-15 | 2021-10-22 | 合肥天威众元电气有限公司 | Three-dimensional transformer core lamination composite set |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012009259B4 (en) | 2012-05-02 | 2016-01-21 | Erich Fünfsinn | Transformer core stacking plant for connection to a transformer plate cutting and stamping plant and method for operating the transformer core stacking plant |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2613150A1 (en) * | 1976-03-27 | 1977-09-29 | Transformatoren Union Ag | Transformer core laminations prodn. - uses machining system with connecting conveyors for shape cutting, distribution and stacking |
IT1213924B (en) * | 1987-10-30 | 1990-01-05 | Ansaldo Componenti Spa | AUTOMATIC WRAPPING MACHINE FOR TRANSFORMER CORES |
DE9011811U1 (en) * | 1990-08-14 | 1991-12-12 | Siemens Ag, 8000 Muenchen, De |
-
2007
- 2007-06-30 DE DE102007030491A patent/DE102007030491B3/en not_active Expired - Fee Related
-
2008
- 2008-06-21 SI SI200831533T patent/SI2009652T1/en unknown
- 2008-06-21 EP EP08011306.1A patent/EP2009652B1/en not_active Not-in-force
- 2008-06-21 PL PL08011306T patent/PL2009652T3/en unknown
-
2015
- 2015-11-13 HR HRP20151225TT patent/HRP20151225T1/en unknown
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019030350A1 (en) * | 2017-08-10 | 2019-02-14 | Heinrich Georg Gmbh Maschinenfabrik | Method and robot system for producing transformer cores |
CN110998766A (en) * | 2017-08-10 | 2020-04-10 | 海因里希·格奥尔格机械制造有限公司 | Method and robot system for producing a transformer core |
US11521795B2 (en) * | 2017-08-10 | 2022-12-06 | Heinrich Georg Gmbh Maschinenfabrik | Method and robot system for producing transformer core |
CN113539657A (en) * | 2021-06-15 | 2021-10-22 | 合肥天威众元电气有限公司 | Three-dimensional transformer core lamination composite set |
CN113539657B (en) * | 2021-06-15 | 2024-05-03 | 合肥天威众元电气有限公司 | Three-dimensional transformer core lamination composite set |
Also Published As
Publication number | Publication date |
---|---|
SI2009652T1 (en) | 2015-12-31 |
EP2009652B1 (en) | 2015-08-19 |
DE102007030491B3 (en) | 2009-01-29 |
EP2009652A3 (en) | 2014-05-21 |
PL2009652T3 (en) | 2016-01-29 |
HRP20151225T1 (en) | 2016-01-01 |
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