EP0993887B1 - Méthode pour l'estampage et paqueter des pièces lamellaires - Google Patents

Méthode pour l'estampage et paqueter des pièces lamellaires Download PDF

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Publication number
EP0993887B1
EP0993887B1 EP99120317A EP99120317A EP0993887B1 EP 0993887 B1 EP0993887 B1 EP 0993887B1 EP 99120317 A EP99120317 A EP 99120317A EP 99120317 A EP99120317 A EP 99120317A EP 0993887 B1 EP0993887 B1 EP 0993887B1
Authority
EP
European Patent Office
Prior art keywords
process according
receiving shaft
metal sheet
sheets
punching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99120317A
Other languages
German (de)
English (en)
Other versions
EP0993887A3 (fr
EP0993887A2 (fr
Inventor
Konrad Dr.-Ing. Wegener
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
L Schuler GmbH
Original Assignee
L Schuler GmbH
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 L Schuler GmbH filed Critical L Schuler GmbH
Publication of EP0993887A2 publication Critical patent/EP0993887A2/fr
Publication of EP0993887A3 publication Critical patent/EP0993887A3/fr
Application granted granted Critical
Publication of EP0993887B1 publication Critical patent/EP0993887B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/20—Storage arrangements; Piling or unpiling
    • B21D43/22—Devices for piling sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/22—Notching the peripheries of circular blanks, e.g. laminations for dynamo-electric machines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2033—Including means to form or hold pile of product pieces
    • Y10T83/2037—In stacked or packed relation
    • Y10T83/2044—And means to separate product portions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2033—Including means to form or hold pile of product pieces
    • Y10T83/2037—In stacked or packed relation
    • Y10T83/2046—Including means to move stack bodily
    • Y10T83/2048—By movement of stack holder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2074—Including means to divert one portion of product from another
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2179—Including means to move, or resist movement of, cut pieces along delivery chute
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/222—With receptacle or support for cut product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/748—With work immobilizer
    • Y10T83/7487—Means to clamp work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9411—Cutting couple type
    • Y10T83/9423—Punching tool
    • Y10T83/9425—Tool pair

Definitions

  • the invention relates to a method for punching and packaging of stamping sheets after in the preamble Of claim 1 further defined type.
  • a method and an apparatus for punching and packaging stamped sheets are known from DE 31 47 034 A1 known.
  • the welding device can not be continuous work, making the welds only of a very limited shelf life.
  • Another one Disadvantage of this known welding device is that a part of the laser optics of the welding device within of the tool is attached and on the same remain or with each tool change in consuming Way to be remounted and aligned got to.
  • DE 26 05 983 C3 and DE 26 30 867 C2 describe other devices for stacking and packaging of stampings, wherein by means of a mandrel, a Slider, a cylinder / piston unit and a Ratchet intermediate stack formed from the punching plates become.
  • a disadvantage of these devices is that during conversion on other punching plates the spikes in more complicated Way must be exchanged.
  • the object of the present invention is a method for punching and packaging stamped sheets to create, by means of which of the stamped sheets individual sheet stacks can be separated in such a way that the stacks of sheets have a very exact height.
  • the manufacture of sheet stacks with different Heights or with different numbers Single sheets should be possible in a very simple way be.
  • the separator with the At least two wedge elements can be the separation of a Sheet stack of desired height from the in the receiving shaft located individual sheets in very be achieved in a simple and accurate manner.
  • the wedge elements namely according to the invention in a standing stack and not, as in the im Separators described in the prior art Intended in the from the die into the receiving shaft falling sheets.
  • the wedge elements results in accuracy the height of the separated laminated core of plus / minus a stamped sheet. This accuracy can be achieved by a more or less strong penetration of the wedge elements be increased in the stack of sheets. Depending on how far the wedge elements in the radial direction in the stack penetrate, namely, the sheets more or less strongly compressed and it can thus on the Height of the sheet pile are taken into account, though the number of individual sheets after the engagement of the Wedge elements per se is no longer changeable.
  • Invention in a particularly advantageous embodiment of Invention can be provided that in the field of Receiving shaft or under the receiving shaft one Connecting device for connecting the separate, individual laminated cores is provided.
  • the separation and then connecting the laminated cores be carried out without punch interruption.
  • FIGS. 1, 2 and 3 show a device 1 for punching and packaging preferably round punching plates 2, which by a tool shell or a Stamp 3 and cooperating with the stamp 3 Tool lower part or a die 4 off a metal strip 5 produced in a conventional manner become.
  • stamping plates 2 with a different geometry.
  • the support element 7 has on its underside a lifting device 9, through which the support element 7 during the punching of Punching plates 2 can be moved down. So is ensured that constantly punched new punching plates 2 be and get into the receiving shaft 6 can.
  • the lifting device 9 also able, the support element 7 again when needed to move upward in the direction of the die 4.
  • the lifting device 9 can be electrical, be designed pneumatically or hydraulically and with a control, not shown, of the punch 3 in Connection and so at each stroke of the punch 3 moved by the thickness of a punching plate 2 down become.
  • a Clamping device 10 through which the punching plates. 2 can be kept.
  • the clamping device 10 has at her the punching plates 2 facing area two opposing prism-shaped holding elements 11 on.
  • the holding elements 11 are via connecting elements 12 each connected to spindles 13, the through at the clamping device 10 located Drive devices 14 are driven. So can the prism-shaped holding elements 11 in the direction of Punching plates 2 are moved.
  • the two drive devices 14 control technology with each other to pair.
  • the clamping device 10 has the task to ensure that the punching plates 2 in the movement of the support element 7 does not fall down. For this reason, the holding elements 11 are in two parts each with an upper part 11a and a lower part 11b educated.
  • a Separator 16 is provided, which at their the Punching plates 2 facing side two opposite each other Wedge elements 17 has.
  • Each wedge element 17 each has a drive device 18 a spindle 19 for adjusting the separator 16 to different diameters of the punching plates 2, a drive device 20 with a spindle 21 for Adjusting the height of the wedge elements 17 in the direction a longitudinal axis 22 of the receiving shaft 6 and respectively a drive device 23 with a spindle 24 for engaging the wedge elements 17 in the sheet stack 8 on.
  • the longitudinal axis 22 thus extends in the punching direction or also forms the longitudinal axis 22 of the punch third
  • the drive devices 18 are located here the support element 7 and move over the spindles 19, the drive means 20 and 23 perpendicular to the longitudinal axis 22.
  • the drive means 20 are also arranged on the support element 7, wherein their spindles 21 in the vertical direction, that is parallel to the longitudinal axis 22, are arranged.
  • the drive means 23, whose Spindles 24 are parallel to the spindles 19, are each mounted on a plate 25, which, like described above, by the drive means 20th can be adjusted in height. All drive devices 14, 18, 20 and 23 can both electrically, pneumatically and hydraulically formed be and the associated spindles 13, 19, 21 and 24 may each be controlled by the controller, e.g. a known one NC control, the device 1 are controlled.
  • the drive means 14, 18, 20 and 23 equipped with the spindles 13, 19, 21 and 24, can also linear drives as drive devices 14, 18, 20 and 23 may be provided.
  • the engagement of the wedge elements 17 in the sheet stack. 8 can by a limit switch, not shown the support element 7 are initiated, which a certain way of the support element 7 down and thus reports a certain amount of sheet stack 8.
  • the laminated core 8a is then passed through the process the support element 7 down to two in Fig. 4th illustrated, designed as a welder 27 Passing devices passed and through welded together the welders 27 at its periphery. As described above in this time the punching plates 2 held by the clamping device 10.
  • the welding devices 27 are opposite each other and each consist of a welding platform 28, two centering strips 29, a welding nozzle 30th and a drive device 31 with a spindle 32nd
  • the welding devices 27 can laser, electrode or plasma welding equipment.
  • the separator 16 is drawn in Fig. 4 rotated by 45 ° and therefore also recognizable. Instead of the spindle 32nd can also drive device 32 as a linear drive be educated.
  • the punching plates 2 for example, therefore the welding devices 27 connected to each other the resulting firmly interconnected laminated cores 8a for the production of rotors or stators of To use electric motors.
  • the support element 7 is rotatably formed or with a corresponding rotating device connected, so not shown grooves on the circumference the punching plates 2 very easily turned against each other and it can thereby be especially useful
  • Asynchronous motors used laminated cores 8a with Oblique grooves and oblique weld produced become.
  • the punching plates 2 rotated accordingly against each other come to rest on the support element 7, but what can be carried out in a conventional manner.
  • the laminated cores 8a to provide with oblique grooves and yet straight to weld.
  • Fig. 5 shows an enlarged view of a part the welding device 27. Here are the welding platform 28 and the centering strips 29 better recognizable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Punching Or Piercing (AREA)

Claims (18)

  1. Méthode pour estamper et paqueter après estampage des tôles destinées notamment à des machines électriques, selon laquelle des tôles sont estampées au moyen d'un poinçon et d'une matrice coopérant avec celui-ci sur une pile de tôles, et de la pile de tôles (8) des paquets de tôles (8a) d'une hauteur prédéfinie sont séparés par un dispositif de séparation prévu pour séparer les tôles estampées empilées dans le puits de réception, puis des tôles individuelles (2) des paquets de tôles (8a) sont reliées entre elles par passage devant un dispositif de liaison (27), caractérisée en ce que la séparation est effectuée par au moins deux éléments en coin (17) que présente le dispositif de séparation et qui sont prévus pour pénétrer, à une hauteur prédéfinie de la pile (8) des tôles estampées (2) dans ces tôles au moins à peu près perpendiculairement à l'axe longitudinal (22) du puits de réception (16).
  2. Méthode selon la revendication 1, caractérisée en ce que dans la zone du puits de réception (16) ou en dessous de ce puits, la liaison du paquet de tôles (8a) individuelles ou séparées est effectuée par l'intermédiaire d'un dispositif de liaison (27).
  3. Méthode selon la revendication 2, caractérisée en ce que la liaison est réalisée au moyen d'un dispositif de soudage (27).
  4. Méthode selon la revendication 3, caractérisée en ce qu'un dispositif de soudage à laser est utilisé comme dispositif de soudage (27).
  5. Méthode selon la revendication 4, caractérisée en ce qu'un dispositif de soudage à électrodes est utilisé comme dispositif de soudage (27).
  6. Méthode selon la revendication 5, caractérisée en ce qu'un dispositif de soudage à plasma est utilisé comme dispositif de soudage (27).
  7. Méthode selon une des revendications 1 à 6, caractérisée en ce que les éléments en coin (17) sont disposés à la périphérie de la pile de tôles, au moins à peu près en face l'un de l'autre.
  8. Méthode selon une des revendications 1 à 7, caractérisée en ce que chaque élément en coin (17) est relié à un dispositif d'entraínement (23) et qu'il s'enfonce dans la pile de tôles (8) au moins à peu près perpendiculairement à l'axe longitudinal (22) du puits de réception (16).
  9. Méthode selon une des revendications 1 à 8, caractérisée en ce que le dispositif de séparation (16) équipé des éléments en coin (17) est déplacé par le dispositif d'entraínement (20) le long de l'axe longitudinal (22) du puits de réception (6).
  10. Méthode selon la revendication 9, caractérisée en ce que le déplacement des éléments en coin (17), le long de l'axe longitudinal (22) du puits de réception (6), est piloté par une commande numérique.
  11. Méthode selon une des revendications 1 à 10, caractérisée en ce que le dispositif de séparation (16) est réglé au diamètre des tôles estampées (2) par un dispositif d'entraínement (18).
  12. Méthode selon une des revendications 1 à 11, caractérisée en ce que dans la zone du puits de réception (6) située au-dessus du dispositif de séparation (16), est prévu un dispositif de serrage (10) qui immobilise les tôles estampées (2).
  13. Méthode selon la revendication 12, caractérisée en ce que le dispositif de serrage (10) présente dans sa zone située en face des tôles estampées (2), des éléments de maintien (11).
  14. Méthode selon la revendication 13, caractérisée en ce que les éléments de maintien (11) sont constitués d'une partie supérieure (11a) et d'une partie inférieure (11b) qui ont chacune la forme d'un prisme.
  15. Méthode selon une des revendications 1 à 14, caractérisée en ce qu'un élément d'appui (7) est prévu pour l'empilage des tôles estampées (2) et qu'il peut être déplacé, par un dispositif de levage (9), selon la direction de l'axe longitudinal (22) du puits de réception (6).
  16. Méthode selon la revendication 15, caractérisée en ce que le dispositif de séparation (16) est monté sur l'élément d'appui (7).
  17. Méthode selon la revendication 15 ou 16, caractérisée en ce que l'élément d'appui (7) tourne autour de l'axe longitudinal (22) du puits de réception (6).
  18. Méthode selon une des revendications 15 à 17, caractérisée en ce que sur l'élément d'appui (17) est monté un contacteur de fin de course qui initie la pénétration des éléments en coin (17) dans la pile de tôles (8).
EP99120317A 1998-10-15 1999-10-12 Méthode pour l'estampage et paqueter des pièces lamellaires Expired - Lifetime EP0993887B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19847552A DE19847552A1 (de) 1998-10-15 1998-10-15 Vorrichtung zum Stanzen und Paketieren von Stanzblechen
DE19847552 1998-10-15

Publications (3)

Publication Number Publication Date
EP0993887A2 EP0993887A2 (fr) 2000-04-19
EP0993887A3 EP0993887A3 (fr) 2002-04-17
EP0993887B1 true EP0993887B1 (fr) 2005-08-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP99120317A Expired - Lifetime EP0993887B1 (fr) 1998-10-15 1999-10-12 Méthode pour l'estampage et paqueter des pièces lamellaires

Country Status (4)

Country Link
US (1) US6324951B1 (fr)
EP (1) EP0993887B1 (fr)
AT (1) ATE301514T1 (fr)
DE (2) DE19847552A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847551A1 (de) * 1998-10-15 2000-04-20 Schuler Pressen Gmbh & Co Vorrichtung zum Stanzen und stanzbildgerechten Stapeln von Stanzblechen
DE10023932A1 (de) * 2000-05-17 2001-11-22 Mohr Adolf Maschf Vorrichtung zum Stanzen eines Stapels aus blättrigem Gut
DE10060833C2 (de) * 2000-12-07 2003-04-17 Schuler Pressen Gmbh & Co Vorrichtung zum Stapeln von insbesondere im Folgeschnittverfharen hergestellten Schnittteilen
DE10040978A1 (de) * 2000-08-22 2002-03-21 Schuler Held Lasertechnik Gmbh Vorrichtung und Verfahren zur Herstellung von Blechpaketen
JP2005103638A (ja) * 2003-09-10 2005-04-21 Aisin Aw Co Ltd モータ用積層コアの製造方法、その製造装置、及び積層治具
DE102015015762A1 (de) * 2015-12-01 2017-06-01 Kienle + Spiess Gmbh Verfahren zur Herstellung eines aus aufeinander liegenden Lamellen bestehenden Lamellenpaketes sowie Vorrichtung zur Durchführung eines solchen Verfahrens
CN107486504B (zh) * 2017-09-12 2019-03-01 鑫鸿交通工业（安徽）有限公司 一种汽车钢板模具辅助接料手结构
CN110405047A (zh) * 2019-09-04 2019-11-05 长春雄伟汽车零部件有限公司 一种自动码料式冲压模具
EP3876403A1 (fr) 2020-03-02 2021-09-08 voestalpine Stahl GmbH Procédé de paquetage des parties de tôle en paquets de tôles
CN114476691B (zh) * 2022-02-24 2023-01-10 江苏拜欧尼克智能科技有限公司 一种耙片加工设备

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DE2605983C3 (de) * 1976-02-14 1986-04-17 L. Schuler GmbH, 7320 Göppingen Vorrichtung zum stanzbildgerechten Stapeln von Stanzteilen
US4110895A (en) * 1977-07-27 1978-09-05 Mitsui Mfg. Co., Ltd. Apparatus for manufacturing laminated cores
DE2751123A1 (de) * 1977-11-16 1979-05-17 Schuler Gmbh L Einrichtung zum stanzen von kreisfoermigen platinen
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DE3147034A1 (de) * 1981-11-26 1983-07-07 Balzer & Dröll GmbH, 6369 Niederdorfelden Verfahren und vorrichtung zum abtrennen von blechen von einem stapel
DE3527018A1 (de) * 1985-07-27 1987-02-05 Schuler Gmbh L Vorrichtung zum schnittbildgerechten stapeln von schnitteilen
CH677635A5 (fr) * 1988-05-27 1991-06-14 Bruderer Ag
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ES2077090T5 (es) * 1990-02-28 1999-04-16 Kuroda Gauge Mfg Metodo de fabricacion de un nucleo de chapas adosadas.
EP0482435A3 (en) * 1990-10-25 1993-06-30 Hans Blumer Method and device for determining the position of an element for marking a separation of flat articles in a pile
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JPH07241629A (ja) * 1994-03-07 1995-09-19 Matsushita Electric Ind Co Ltd プレス積層品製造装置
CH689275A5 (de) * 1994-10-20 1999-01-29 Blumer Maschbau Ag Vorrichtung und Verfahren zum Stanzen eines Stapels.

Also Published As

Publication number Publication date
ATE301514T1 (de) 2005-08-15
DE19847552A1 (de) 2000-04-20
EP0993887A3 (fr) 2002-04-17
US6324951B1 (en) 2001-12-04
EP0993887A2 (fr) 2000-04-19
DE59912386D1 (de) 2005-09-15

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