EP3280555B1 - Sytème comprenant une machine de formage par déformation et un plateau indexable - Google Patents

Sytème comprenant une machine de formage par déformation et un plateau indexable Download PDF

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Publication number
EP3280555B1
EP3280555B1 EP16729755.5A EP16729755A EP3280555B1 EP 3280555 B1 EP3280555 B1 EP 3280555B1 EP 16729755 A EP16729755 A EP 16729755A EP 3280555 B1 EP3280555 B1 EP 3280555B1
Authority
EP
European Patent Office
Prior art keywords
tool holder
adapters
unit
pivot
adapter
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.)
Active
Application number
EP16729755.5A
Other languages
German (de)
English (en)
Other versions
EP3280555A1 (fr
Inventor
Hubert Roth
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.)
Ekm-Roth GmbH
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Ekm-Roth GmbH
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Publication date
Application filed by Ekm-Roth GmbH filed Critical Ekm-Roth GmbH
Publication of EP3280555A1 publication Critical patent/EP3280555A1/fr
Application granted granted Critical
Publication of EP3280555B1 publication Critical patent/EP3280555B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/022—Special design or construction multi-stage forging presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/085—Accessories for handling work or tools handling of tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/026—Mounting of dies, platens or press rams

Definitions

  • the invention relates to a system of a device for forming and a switch plate machine with a tool holder for receiving at least one forming tool, which is arranged between two unit carriers in a switch plate machine.
  • the tool holder is connected for forming at one end with a hydraulic device for generating a forming pressure and at the other end with a hydraulic ejection device.
  • a hydraulic device for generating a forming pressure
  • a hydraulic ejection device for generating a forming pressure
  • the tool holder must be removed from both the hydraulic and the ejector. After the tools have been changed, the tool holder must be reconnected to the hydraulic and the ejector. The installation effort is considerable. The changeover time is several hours. The associated business interruption is thus very expensive.
  • the DE 10 2012 005648 A1 discloses a forming device for a switch plate machine with a tool holder for receiving at least one forming tool, which is arranged between two unit carriers.
  • the invention has the object to improve a generic system to the effect that a tool change in the future much faster and therefore more economical than before.
  • the invention solves this problem with a device of the type mentioned, in which according to the invention the tool holder is pivotally mounted between the unit carriers.
  • the tool holder can thus be easily pivoted for a tool change, so that it is easily accessible for changing the tools.
  • the tools can then be removed in a few steps from the tool holder and then replaced by others. After the tools have been re-installed in the tool holder, the tool holder is pivoted back into its operating position.
  • a switch panel in which the device according to the invention is mounted with the tool holder, can then immediately resume its operation.
  • the changeover time is a maximum of 30 minutes.
  • the operating interruption associated with the tool change is correspondingly low. Due to the pivotability of the tool holder of the equipped with the device indexer table is economically profitable.
  • the tools to be changed are usually a forming die, a punch sleeve, an intermediate sleeve, a die or a die package with a pusher.
  • Adapters may be arranged in the unit carriers.
  • the adapters connect the tool holder at one end to a hydraulic device and at the other end to an ejector.
  • the adapters can be used as detachable connection elements be formed between the hydraulic device and the tool holder and between the ejector and the tool holder.
  • the tool holder can be attached to the adapters with screwed connections. Before the pivoting of the tool holder, the glands are loosened. This can be done in a few minutes. Subsequently, the tool holder can be immediately pivoted to its position for the tool change. A preferred pivoting angle may be about 120 °. After swiveling back the tool holder, the tool holder is screwed back to the adapters.
  • the arranged on the side of the ejector adapter can be equipped with a guide cylinder in which the ejection device is guided.
  • the adapters may have receiving elements for receiving the end regions of the tool holder.
  • the receiving elements may be formed as half cylinders which correspond to cylinders which are halved in the axial direction.
  • the adapters and the receiving elements are preferably formed in one piece.
  • the adapters may have edges on their front side. Furthermore, the adapter can be provided on its front side with contact surfaces on which the tool holder can rest.
  • the receiving elements can thus have recesses formed between the edges and the contact surfaces as grooves. When pivoting back the tool holder engages with their end portions in the grooves, so that the adapter partially surround the end portions.
  • the adapters may have edges with internal cones.
  • the end areas of the Tool holder may be provided with outer cones.
  • the outer cones of the tool holder and the inner cones of the adapter slide off one another.
  • the tool holder is pressed against the contact surfaces of the adapter.
  • the tool holder is centered by the trained as a half-cylinder receiving elements relative to the adapters.
  • the contact surfaces of the adapters ensure that the end faces of the tool holder rest firmly against the adapters during operation.
  • the abutment surfaces may be recessed relative to the edges of the adapters so that the edges of the adapters protrude beyond the abutment surfaces.
  • the adapters may each have a shaft inserted into the unit carrier. In this way a stiff connection between the unit carriers and the adapters is made. Fittings that can serve to attach the adapter with the unit carriers are thus relieved of lateral forces.
  • the shaft of one of the adapters may be encompassed by a collar arranged in the unit carrier.
  • the collar may preferably be made of an elastomer.
  • the adapter is floating in the unit carrier. He can move in the unit carrier both in the axial direction and in the radial direction.
  • the range of motion which is in the tenth of a millimeter range, may be useful if the tool holder during the forming process also bends in tenths of a millimeter. In this way, the shaft and the unit carrier are relieved.
  • the tool holder In order to pivot the tool holder, it may be pivotally mounted at its end with pivoting levers.
  • the pivot levers can be mounted in the unit carriers by means of pivot pins.
  • the pivot pin can thus form the pivot axis of the pivot lever and the tool holder.
  • the pivot levers may have a groove for receiving the end portions of the tool holder.
  • the pivot levers may also be formed as half cylinders in the region by partially enclosing the tool holder.
  • One of the pivot levers may have on its front side facing the unit carrier on this projecting paragraph.
  • the shoulder can engage positively in a correspondingly formed groove, which is preferably arranged in the adapter, which is located on the side of the ejection device.
  • the tool holder can be pivoted with a pivot shaft.
  • the pivot shaft can be driven by an electric motor or hydraulically.
  • the electric motor can be adjusted to the preferred pivot angle of about 120 °.
  • one of the unit carriers may be provided with a recess for facilitated removal and feeding of the tools.
  • Fig. 1 shows a device 100 for forming with a tool holder 10, which between two unit carriers 11 and 12 of a switch panel machine 13 is mounted.
  • forming tools 14 and 15 are arranged in the tool holder 10 .
  • the forming tool 14 is a press die and the forming tool 15 is a die package. Between the forming tool 14 and 15 is a workpiece 16.
  • a hydraulic device 17 and the unit carrier 12 an ejector 18 is arranged on the unit carrier 11, a hydraulic device 17 and the unit carrier 12, an ejector 18 is arranged.
  • the hydraulic device 17 generates the pressing pressure required for the forming process.
  • the ejector 18 pushes the formed workpiece 16 out of the die 15.
  • adapters 19 and 20 are inserted into the unit supports 11 and 12, adapters 19 and 20 are inserted.
  • the adapter 19 removably connects the tool holder 10 to the hydraulic device 17.
  • the adapter 20 removably connects the tool holder 10 to the ejection device 18.
  • a pivot lever 21 and on the adapter 20 a pivot lever 22 is mounted on the adapter 19, a pivot lever 21 and on the adapter 20, a pivot lever 22 is mounted.
  • the pivoting levers 21 and 22 are pivotally mounted in the device 10 with pivot pins 23 and 24.
  • the pivot pins 23 and 24 are attached to the unit carriers 11 and 12.
  • the pivot levers 21 and 22 are attached to the end portions of the tool holder 10. Consequently, the tool holder 10 can be pivoted to change the forming tools 14 and 15 (see FIGS. 2 and 4 ).
  • the pivot pins 23 and 24 thus define a pivot axis about which the pivot levers 21 and 22 and the tool holder 10 are pivoted.
  • the pivot pin 24 is driven by a pivot shaft 25.
  • a not shown here electric motor or a hydraulic drive for the generation of the pivoting movement may be flanged.
  • the adapter 19 has a shaft 26 which is inserted into the unit carrier 11. Between the unit carrier 11 and the shaft 26 is a circumferential sleeve 27 which is made of an elastomer mounted. This ensures a floating mounting of the adapter 19 in the unit carrier 11. Since the tool holder 10 can bend during the forming process due to the high forming forces in tenths of a millimeter, the adapter 19 and its shaft 26 are also in tenths of a millimeter in the axial and radial direction in the unit carrier 11 moves. The cuff 27 allows for the movement required for these movements. Thus, the shaft 26 and the unit carrier 11 are relieved in operation.
  • a guide cylinder 28 is mounted in the adapter 20. It serves to guide an ejector ram not shown here.
  • the adapter 20 is provided with a shaft 29 which is inserted into the unit carrier 12.
  • the adapter 19 has a receiving element 40 (see Fig. 4 ) for receiving the one end portion of the tool holder 10.
  • the adapter 20 has a receiving elements 30 (see Fig. 3 ) for receiving the other end portion of the tool holder 10.
  • the receiving elements 30 and 40 are formed as a half-cylinder. They have semicircular grooves, in which the end portions of the tool holder 10 can engage when it pivots in its operating position becomes.
  • the semicircular grooves are provided with inner cones, which taper towards the tool holder 10.
  • the tool holder 10 has outer cones on its end regions, which widen to the end faces of the tool holder 10.
  • the inner cone and the outer cone slide on each other, so that the tool holder 10 is pressed against abutment surfaces 31 and 41 of the adapter 19 and 20 (see FIGS. 3 and 4 ).
  • the tool holder 10 is thus in its operating position fed to the contact surfaces 41 and 31 at.
  • the abutment surfaces 31 and 41 are set back from the edges of the adapters 19 and 20 so that they form recesses.
  • the pivoting lever 22 is on its inside, in the area with which it includes the tool holder 10 partially also formed as a half-cylinder (see Fig. 6 ). It also has a semicircular groove 60, which is also provided with an inner cone 61 which tapers towards the tool holder 10.
  • the pivoting lever 22 is provided on its front side facing the unit carrier 12 with a semicircular shoulder 62 projecting above it.
  • Paragraph 62 can engage in the operating position of the tool holder 10 in a groove not shown here, which is attached to the adapter 20, positively.
  • the unit carrier 12 is provided with a recess 42 (see FIGS. 4 and 5 ). It facilitates the tool change.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Claims (13)

  1. Système composé d'un dispositif (100) pour formage et d'un automate à plateau tournant automatique (13) avec un logement d'outil (10) pour recevoir au moins un outil de formage (14, 15), qui est disposé entre deux supports d'unité (11, 12) de l'automate à plateau tournant (13), caractérisé en ce que le logement d'outil (10) est logé pouvant pivoter entre les supports d'unité (11, 12).
  2. Système selon la revendication 1, caractérisé en ce que des adaptateurs (19, 20) sont disposés dans les supports d'unité (11, 21).
  3. Système selon la revendication 2, caractérisé en ce que les adaptateurs (19, 20) comportent des éléments de réception (30) pour loger les zones d'extrémité du logement d'outil (10).
  4. Système selon la revendication 2 ou 3, caractérisé en ce que les adaptateurs (19, 20) comportent des bords avec des cônes intérieurs.
  5. Système selon l'une quelconque des revendications 2 à 4, caractérisé en ce que les adaptateurs (19, 20) comportent respectivement une tige (26, 29) qui est introduite dans les supports d'unité (11, 12).
  6. Système selon la revendication 5, caractérisé en ce que la tige (26) d'un des adaptateurs (19) est enserrée par un manchon (27) disposé dans le support d'unité (11).
  7. Système selon la revendication 6, caractérisé en ce que le manchon (27) est fabriqué en élastomère.
  8. Système selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le logement d'outil (10) est logé pouvant pivoter sur ses zones d'extrémité avec des leviers pivotants (21, 22).
  9. Système selon la revendication 8, caractérisé en ce que les leviers pivotants (21, 22) comportent une rainure pour loger les zones d'extrémité du logement d'outil (10).
  10. Système selon la revendication 8 ou 9, caractérisé en ce qu' un des leviers pivotants (22) comporte sur sa face avant tournée vers le support d'unité (12) un épaulement (62) faisant saillie au-dessus de celle-ci.
  11. Système selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le logement d'outil (10) peut être pivoté avec un arbre de pivotement (25).
  12. Système selon l'une quelconque des revendications 1 à 11, caractérisé en ce qu'un des supports d'unité (11, 12) est doté d'un évidement (42) pour éloigner et approcher les outils.
  13. Système selon l'une quelconque des revendications 2 à 12, caractérisé en ce que les adaptateurs (19, 20) comportent des surfaces de contact (31, 41) pour le contact des faces avant du logement d'outil (10).
EP16729755.5A 2015-04-08 2016-04-06 Sytème comprenant une machine de formage par déformation et un plateau indexable Active EP3280555B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015005025.7A DE102015005025B4 (de) 2015-04-08 2015-04-08 Vorrichtung zum Umformen in einem Schalttellerautomaten
PCT/DE2016/000143 WO2016162004A1 (fr) 2015-04-08 2016-04-06 Dispositif de formage dans une machine automatique à plateau tournant

Publications (2)

Publication Number Publication Date
EP3280555A1 EP3280555A1 (fr) 2018-02-14
EP3280555B1 true EP3280555B1 (fr) 2019-09-18

Family

ID=56134041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16729755.5A Active EP3280555B1 (fr) 2015-04-08 2016-04-06 Sytème comprenant une machine de formage par déformation et un plateau indexable

Country Status (3)

Country Link
EP (1) EP3280555B1 (fr)
DE (1) DE102015005025B4 (fr)
WO (1) WO2016162004A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5768931A (en) * 1996-12-13 1998-06-23 Gombas; Laszlo A. Article processing machine
DE102005029060B3 (de) * 2005-06-23 2006-11-30 Reis Gmbh & Co. Kg Maschinenfabrik Presse zum Entgraten und/oder Stanzen eines Werkstückes
DE102012005648B4 (de) * 2012-03-22 2015-05-21 Ekm-Roth Gmbh Vorrichtung zum Umformen in einem Schalttellerautomaten

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3280555A1 (fr) 2018-02-14
DE102015005025B4 (de) 2016-12-01
DE102015005025A1 (de) 2016-10-13
WO2016162004A1 (fr) 2016-10-13

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