EP2620235B1 - Device for replacing peens in four-peen forging devices - Google Patents

Device for replacing peens in four-peen forging devices Download PDF

Info

Publication number
EP2620235B1
EP2620235B1 EP11842813.5A EP11842813A EP2620235B1 EP 2620235 B1 EP2620235 B1 EP 2620235B1 EP 11842813 A EP11842813 A EP 11842813A EP 2620235 B1 EP2620235 B1 EP 2620235B1
Authority
EP
European Patent Office
Prior art keywords
articulated
levers
jaws
pairs
supports
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.)
Not-in-force
Application number
EP11842813.5A
Other languages
German (de)
French (fr)
Other versions
EP2620235A4 (en
EP2620235A1 (en
Inventor
Alexei Mikhailovich Volodin
Vladislav Alexeevich Sorokin
Nikolai Pavlovich Petrov
Viktor Andreevich Lazorkin
Vasily Vasilevich Nikitin
Alexei Pavlovich Klenin
Valery Viktorovich Nikonov
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.)
OTKRYTOE AKTSIONERNOE OBSCHESTVO "TYAZHPRESSMASH"
Original Assignee
OTKRYTOE AKTSIONERNOE OBSCHESTVO "TYAZHPRESSMASH"
OTKRYTOE AKTSIONERNOE OBSCHESTVO TYAZHPRESSMASH
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 OTKRYTOE AKTSIONERNOE OBSCHESTVO "TYAZHPRESSMASH", OTKRYTOE AKTSIONERNOE OBSCHESTVO TYAZHPRESSMASH filed Critical OTKRYTOE AKTSIONERNOE OBSCHESTVO "TYAZHPRESSMASH"
Publication of EP2620235A1 publication Critical patent/EP2620235A1/en
Publication of EP2620235A4 publication Critical patent/EP2620235A4/en
Application granted granted Critical
Publication of EP2620235B1 publication Critical patent/EP2620235B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • 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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K31/00—Control devices specially adapted for positioning tool carriers

Definitions

  • the invention relates to a device for changing jaws in four-jaw forging devices according to the preamble of claim 1.
  • the invention is used in the printing of metals, in auxiliary devices therefor. It can be used to quickly remove and install the forging jaws in the four-jaw forgings.
  • the invention can be used in mechanical engineering and in the metallurgical industry in forging plants for the production of forgings in hydraulic forging presses with four-jaw forging devices.
  • a jaw changing device which is a component of a tool manipulator for open-die forging presses and has a stage.
  • the stage is coupled to a turntable of the tool manipulator by means of hinged equally sized levers.
  • the stage is also connected to a gripping device arranged thereon with clamping and rotary drives.
  • the middle part of one of the levers is pivotally connected to a piston rod of a main working cylinder.
  • the main working cylinder is built on the turntable.
  • this known device does not provide interchangeability of multiple jaws at one time, e.g. B. in forging with four jaws (2), is.
  • a jaw change device which is mounted on a turntable of a tool manipulator.
  • the device consists of two pairs of articulated levers of equal size and two parallel supports, working cylinders and a gripping device.
  • the parallel supports are assembled into a frame with two pairs of levers of equal size, in such a way as to allow for displacement over the height of the upper support parallel to the lower support.
  • the working cylinder with piston rods are pivotally connected to the pairs of equal sized lever.
  • the gripping device is arranged on the upper support and consists of a collet, a double-acting double cylinder and a rotary drive for the gripping device.
  • the apparatus for a jaw change in four-jaw forging has a frame, the articulated by the same size lever and two pivotally connected parallel supports is designed to be displaceable in height.
  • the device has two frames arranged in parallel.
  • Each frame consists of two II-shaped supports.
  • the supports are articulated on all sides by means of four articulated levers in pairs and hinged to pairs.
  • two pairs of equal size levers are hinged to these frame supports, the levers are also hinged in each pair.
  • the pairs of lever are connected together by means of an adjusting screw.
  • the adjusting screw goes through the articulated connections of the adjusting lever and has at one of its ends a handle.
  • bolts are arranged on the supports and on the articulation joints of the articulated levers so that they can be inserted into transport holes of the jaws.
  • the lower supports of the frames are connected together by means of a coupling.
  • the jaw change device has two frames A and B arranged in parallel (FIG. Fig. 1 ) on.
  • Each of the frames consists of two ⁇ -shaped supports 1 and 2 or 3 and 4.
  • the supports are articulated on all sides by means of four articulated levers in pairs, articulated in pairs 5 and 6, 7 and 8, 9 and 10, 11 and 12, 13 and 14, 15 and 16, 17 and 18, 19 and 20 ( Fig. 1 ), connected.
  • Two pairs of equal adjustment lever 21 and 22, 23 and 24 are hinged to the supports 1 to 4 of the frame A and B by means of axes 25 and screws 26.
  • each pair of the adjusting levers 21 and 22 and 23 and 24 the levers are also hingedly connected, and the pairs of the adjusting levers 21 and 22, 23 and 24 are connected to each other by means of an adjusting screw 27.
  • the adjusting screw 27 passes through the articulated connections of the lever.
  • a handle 28 is arranged at one end of the adjusting screw 27, a handle 28 is arranged.
  • bolts 29 to 44 are arranged on the supports 1 to 4 and at the locations of the articulated connection of the articulated levers 5 to 20 arranged.
  • Eight of the bolts 29 to 44 are arranged on each frame A and B, namely: On each support 1 to 4 with ⁇ -shaped cross section are each two bolts, and four bolts are at the points of articulated connection of the articulated lever. 5 arranged until 20.
  • the lower supports 2 and 4 of the frames A and B are connected to each other by means of a coupling 45.
  • the jaw change device works as follows.
  • Two assembled frames A and B are inserted into the work area of a four-jaw forge (not shown in the figure) with the four jaws 46-49 previously spread apart.
  • the frames A and B are placed on these jaws 46 to 49 on both sides by being placed on the bolts 29 to 44. They are screwed on top (not shown in the figure) and below with the aid of the coupling 45 (FIG. Fig. 1 . 2 ) attached.
  • the four adjusting levers 21 to 24 are fastened together with the adjusting screw 27 to the frame A and B by means of the axes 25 and the screws 26.
  • the handle 28 is attached to the adjusting screw 27.
  • the jaws 46 to 49 are brought together by the handle 28 with the adjusting screw 27 (FIG. Fig. 3 ) is rotated. After the jaws 46 to 49 are joined together, the lower clamps of the jaw 46 are released.
  • a fork 50 is pushed by means of the manipulator 51 under the whole set of jaws 46 to 49 with the device.
  • the set of jaws 46 to 49 is raised (by 50 - 80 mm) and out of the working area of the four-jaw forging machine ( Fig. 4 ) extended.
  • the manipulator 51 with the fork 50 displaces the entire jaw set and places it on the special stand 52, where the jaw set is changed by means of a crane ( Fig. 5 ).
  • the assembly of the jaw set takes place in reverse order.
  • the set of jaws 46 to 49, together with the device for changing the jaws mounted thereon, are retracted by means of the manipulator 51 with the fork 50 into the working region of the four-jaw forging device. Thereafter, the handle 28 is rotated with the adjusting screw 27.
  • the jaws 46 to 49 are spread apart until contact with the bearing surfaces of the forging.
  • the jaws 46 to 49 are fastened by means of clamping claws (not shown in the figure). Thereafter, the clutch 45 is removed.
  • the bolts 29 to 44 are removed, and finally the frames A and B of the device are removed from the jaws 46 to 49.
  • the device according to the invention allows to simultaneously exchange the four jaws 46 to 49 in the four-jaw forging device. This ensures the performance of the entire manufacturing process during the retrofitting of the plant.

Description

Die Erfindung betrifft eine Einrichtung zum Backenwechsel in Vierbacken-Schmiedevorrichtungen nach dem Oberbegriff des Anspruchs 1.The invention relates to a device for changing jaws in four-jaw forging devices according to the preamble of claim 1.

Die Erfindung ist bei der Druckbearbeitung von Metallen, und zwar bei Hilfsvorrichtungen dafür einsetzbar. Sie kann dafür eingesetzt werden, um die Schmiedebacken in den Vierbacken-Schmiedevorrichtungen schnell aus- und einzubauen.The invention is used in the printing of metals, in auxiliary devices therefor. It can be used to quickly remove and install the forging jaws in the four-jaw forgings.

Die Erfindung kann im Maschinenbau und in der Hüttenindustrie in Schmiedepresswerken zur Herstellung von Schmiedestücken in hydraulischen Schmiedepressen mit Vierbacken-Schmiedevorrichtungen verwendet werden.The invention can be used in mechanical engineering and in the metallurgical industry in forging plants for the production of forgings in hydraulic forging presses with four-jaw forging devices.

Stand der Technik:State of the art:

  1. 1. Erfinderzertifikat UdSSR: SV 515635 IPC B25J 11/00, 1974.1. Inventor Certificate USSR: SV 515635 IPC B25J 11/00, 1974.
  2. 2. Patent RU 2314175 , IPC B21J 13/02, 2005.2. Patent RU 2314175 , IPC B21J 13/02, 2005.
  3. 3. Erfinderzertifikat UdSSR: SV 650708 , IPC B21J 13/10, 1979.3. Inventor Certificate USSR: SV 650708 , IPC B21J 13/10, 1979.
  4. 4. Patent RU 2398648 , IPC B21 J 13/04, 2008 r.4. Patent RU 2398648 , IPC B21 J 13/04, 2008 r.

Aus dem Stand der Technik (1) ist eine Backenwechselvorrichtung bekannt, die ein Bestandteil eines Werkzeugmanipulators für Freiformschmiedepressen ist und eine Bühne aufweist. Die Bühne ist mit einem Drehtisch des Werkzeugmanipulators mittels gelenkig befestigter gleichgroßer Hebel gekoppelt. Die Bühne ist auch mit einer darauf angeordneten Greifvorrichtung mit Klemm- und Drehantrieben verbunden.From the prior art (1) a jaw changing device is known, which is a component of a tool manipulator for open-die forging presses and has a stage. The stage is coupled to a turntable of the tool manipulator by means of hinged equally sized levers. The stage is also connected to a gripping device arranged thereon with clamping and rotary drives.

Dabei ist der mittlere Teil eines der Hebel gelenkig mit einer Kolbenstange eines Hauptarbeitszylinders verbunden. Der Hauptarbeitszylinder ist am Drehtisch aufgebaut.In this case, the middle part of one of the levers is pivotally connected to a piston rod of a main working cylinder. The main working cylinder is built on the turntable.

Jedoch stellt diese bekannte Vorrichtung keine Austauschbarkeit von gleichzeitig mehreren Backen, z. B. in Schmiedevorrichtungen mit vier Backen (2), dar.However, this known device does not provide interchangeability of multiple jaws at one time, e.g. B. in forging with four jaws (2), is.

Aus dem Stand der Technik (3) ist auch eine Vorrichtung für einen Backenwechsel bekannt, die auf einem Drehtisch eines Werkzeugmanipulators montiert ist. Die Vorrichtung besteht aus zwei Paaren von gelenkig angeordneten gleich großen Hebeln und zwei Parallelstützen, Arbeitszylindern und einer Greifvorrichtung. Die Parallelstützen sind zu einem Rahmen mit zwei Paaren gleich großer Hebel zusammengefügt, und zwar so, dass die Verschiebbarkeit über die Höhe der oberen Stütze parallel zur unteren Stütze ermöglicht ist. Die Arbeitszylinder mit Kolbenstangen sind gelenkig mit den Paaren der gleich großen Hebel verschiebbar verbunden. Die Greifvorrichtung ist auf der oberen Stütze angeordnet und besteht aus einer Spannzange, einem doppelwirkenden Doppelzylinder und einem Drehantrieb für die Greifvorrichtung.From the prior art (3), a jaw change device is also known, which is mounted on a turntable of a tool manipulator. The device consists of two pairs of articulated levers of equal size and two parallel supports, working cylinders and a gripping device. The parallel supports are assembled into a frame with two pairs of levers of equal size, in such a way as to allow for displacement over the height of the upper support parallel to the lower support. The working cylinder with piston rods are pivotally connected to the pairs of equal sized lever. The gripping device is arranged on the upper support and consists of a collet, a double-acting double cylinder and a rotary drive for the gripping device.

Der Mangel dieser bekannten Vorrichtung ist ihre niedrige Leistungsfähigkeit, denn sie stellt keinen gleichzeitigen Wechsel von allen vier Backen in VierbackenSchmiedevorrichtungen sicher (4).The deficiency of this known device is its low efficiency, because it does not ensure a simultaneous change of all four jaws in four-jaw forging devices (4).

Es ist Aufgabe der Erfindung, mittels einer baulichen Veränderung der Vorrichtung einen gleichzeitigen Wechsel von vier Backen in Vierbacken-Schmiedevorrichtungen zu ermöglichen und dadurch die Produktionsleistung des Fertigungsvorgangs beim Umrüsten der Anlage zu erhöhen.It is an object of the invention to allow a simultaneous change of four jaws in four-jaw forging devices by means of a structural change of the device and thereby increase the production capacity of the manufacturing process when retrofitting the system.

Die gestellte Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.The stated object is solved by the features of claim 1.

Die Vorrichtung für einen Backenwechsel in Vierbacken-Schmiedevorrichtungen weist einen Rahmen auf, der durch gelenkig verbundene gleich große Hebel und zwei damit gelenkig verbundene Parallelstützen in der Höhe verschiebbar ausgebildet ist. Gemäß der Erfindung weist die Vorrichtung zwei parallel angeordnete Rahmen auf. Jeder Rahmen besteht aus je zwei II-förmigen Stützen. Die Stützen sind an allen Seiten gelenkig mittels vier Knickhebeln paarweise miteinander und gelenkig zu Paaren verbunden. Dabei sind an diesen Rahmenstützen zwei Paare von gleich großen Verstellhebeln gelenkig befestigt, wobei die Hebel in jedem Paar ebenfalls gelenkig verbunden sind. Die Paare der Verstellhebel sind miteinander mit Hilfe einer Einstellschraube verbunden. Die Einstellschraube geht durch die gelenkigen Verbindungen der Verstellhebel durch und hat an einem seiner Enden einen Griff. Dabei sind Bolzen auf den Stützen sowie an den Gelenkverbindungsstellen der Knickhebel so angeordnet, dass sie in Transportlöcher der Backen einführbar sind. Die unteren Stützen der Rahmen sind miteinander mittels einer Kupplung verbunden.The apparatus for a jaw change in four-jaw forging has a frame, the articulated by the same size lever and two pivotally connected parallel supports is designed to be displaceable in height. According to the invention, the device has two frames arranged in parallel. Each frame consists of two II-shaped supports. The supports are articulated on all sides by means of four articulated levers in pairs and hinged to pairs. Here, two pairs of equal size levers are hinged to these frame supports, the levers are also hinged in each pair. The pairs of lever are connected together by means of an adjusting screw. The adjusting screw goes through the articulated connections of the adjusting lever and has at one of its ends a handle. In this case, bolts are arranged on the supports and on the articulation joints of the articulated levers so that they can be inserted into transport holes of the jaws. The lower supports of the frames are connected together by means of a coupling.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen schematisch dargestellt und näher erläutert. Es zeigen:

Fig. 1
eine Vorrichtung für einen Backenwechsel in auseinandergespreizter Stellung ohne Backen in axonometrischer Ansicht,
Fig. 2
die Vorrichtung in auseinandergespreizter Stellung mit den Backen in axonometrischer Ansicht,
Fig. 3
die Vorrichtung in zusammengerückter Stellung mit den Backen in axonometrischee Ansicht,
Fig. 4
die Vorrichtung in zusammengerückter Stellung mit den Backen auf einer Gabel, die von einem Manipulator festgehalten wird, in axonometrischer Ansicht und
Fig. 5
die Vorrichtung in zusammengerückter Stellung mit den Backen auf einem Stand in Frontansicht.
An embodiment of the invention is shown schematically in the drawings and explained in more detail. Show it:
Fig. 1
a device for a jaw change in spread apart position without baking in axonometric view,
Fig. 2
the device in spread-apart position with the jaws in axonometric view,
Fig. 3
the device in collapsed position with the jaws in axonometric view,
Fig. 4
the apparatus in collapsed position with the jaws on a fork, which is held by a manipulator, in axonometric view and
Fig. 5
the device in a collapsed position with the jaws on a stand in front view.

Die Vorrichtung für den Backenwechsel weist zwei parallel angeordnete Rahmen A und B (Fig. 1) auf. Jeder der Rahmen besteht aus zwei Π-förmigen Stützen 1 und 2 bzw. 3 und 4. Die Stützen sind an allen Seiten miteinander gelenkig mittels vier Knickhebeln paarweise, und zwar gelenkig in Paaren 5 und 6, 7 und 8, 9 und 10, 11 und 12, 13 und 14, 15 und 16, 17 und 18, 19 und 20 (Fig. 1), verbunden. Zwei Paare gleich großer Verstellhebel 21 und 22, 23 und 24 sind an den Stützen 1 bis 4 der Rahmen A und B mit Hilfe von Achsen 25 und Schrauben 26 gelenkig befestigt. In jedem Paar der Verstellhebel 21 und 22 und 23 und 24 sind die Hebel auch gelenkig verbunden, und die Paare der Verstellhebel 21 und 22, 23 und 24 sind miteinander mittels einer Einstellschraube 27 verbunden. Die Einstellschraube 27 geht durch die gelenkigen Verbindungen der Verstellhebel. An einem Ende der Einstellschraube 27 ist ein Griff 28 angeordnet. Auf den Stützen 1 bis 4 und an den Stellen der gelenkigen Verbindung der Knickhebel 5 bis 20 sind Bolzen 29 bis 44 angeordnet. Je acht der Bolzen 29 bis 44 sind auf jedem Rahmen A und B angeordnet, und zwar: Auf jeder Stütze 1 bis 4 mit Π-förmigem Querschnitt befinden sich je zwei Bolzen, und je vier Bolzen sind an den Stellen der gelenkigen Verbindung der Knickhebel 5 bis 20 angeordnet. Darüber hinaus sind die unteren Stützen 2 und 4 der Rahmen A und B miteinander anhand einer Kupplung 45 verbunden.The jaw change device has two frames A and B arranged in parallel (FIG. Fig. 1 ) on. Each of the frames consists of two Π-shaped supports 1 and 2 or 3 and 4. The supports are articulated on all sides by means of four articulated levers in pairs, articulated in pairs 5 and 6, 7 and 8, 9 and 10, 11 and 12, 13 and 14, 15 and 16, 17 and 18, 19 and 20 ( Fig. 1 ), connected. Two pairs of equal adjustment lever 21 and 22, 23 and 24 are hinged to the supports 1 to 4 of the frame A and B by means of axes 25 and screws 26. In each pair of the adjusting levers 21 and 22 and 23 and 24, the levers are also hingedly connected, and the pairs of the adjusting levers 21 and 22, 23 and 24 are connected to each other by means of an adjusting screw 27. The adjusting screw 27 passes through the articulated connections of the lever. At one end of the adjusting screw 27, a handle 28 is arranged. On the supports 1 to 4 and at the locations of the articulated connection of the articulated levers 5 to 20 bolts 29 to 44 are arranged. Eight of the bolts 29 to 44 are arranged on each frame A and B, namely: On each support 1 to 4 with Π-shaped cross section are each two bolts, and four bolts are at the points of articulated connection of the articulated lever. 5 arranged until 20. In addition, the lower supports 2 and 4 of the frames A and B are connected to each other by means of a coupling 45.

Die Vorrichtung für einen Backenwechsel arbeitet wie folgt.The jaw change device works as follows.

Zwei zusammengebaute Rahmen A und B werden in den Arbeitsbereich einer Vierbacken-Schmiedevorrichtung (in der Figur nicht abgebildet) mit den vorher auseinandergespreizten vier Backen 46 bis 49 eingeführt. Die Rahmen A und B werden auf diese Backen 46 bis 49 an beiden Seiten gesetzt, indem sie auf die Bolzen 29 bis 44 aufgesetzt werden. Sie werden oben verschraubt (in der Figur nicht abgebildet) und unten mit Hilfe der Kupplung 45 (Fig. 1, 2) befestigt. Danach werden die vier Einstellhebel 21 bis 24 zusammen mit der Einstellschraube 27 an den Rahmen A und B mit Hilfe der Achsen 25 und der Schrauben 26 befestigt. Der Griff 28 wird an der Einstellschraube 27 angebaut. Danach werden die Spannpratzen für die Befestigung der Backen 46 bis 49 an der Schmiedevorrichtung (in der Figur nicht abgebildet) bis auf die unteren Spannpratzen gelöst. Die Backen 46 bis 49 werden zusammengerückt, indem der Griff 28 mit der Einstellschraube 27 (Fig. 3) gedreht wird. Nachdem die Backen 46 bis 49 zusammengeschlossen sind, werden auch die unteren Spannpratzen der Backe 46 gelöst. Eine Gabel 50 wird mit Hilfe des Manipulators 51 unter den ganzen Satz der Backen 46 bis 49 mit der Vorrichtung hingeschoben. Der Satz der Backen 46 bis 49 wird angehoben (um 50 - 80 mm) und aus dem Arbeitsbereich der Vierbacken-Schmiedevorrichtung (Fig. 4) ausgefahren. Der Manipulator 51 mit der Gabel 50 versetzt den ganzen Backensatz und setzt ihn auf dem speziellen Stand 52 ab, wo der Backensatz mit Hilfe von einem Kran gewechselt wird (Fig. 5).Two assembled frames A and B are inserted into the work area of a four-jaw forge (not shown in the figure) with the four jaws 46-49 previously spread apart. The frames A and B are placed on these jaws 46 to 49 on both sides by being placed on the bolts 29 to 44. They are screwed on top (not shown in the figure) and below with the aid of the coupling 45 (FIG. Fig. 1 . 2 ) attached. Thereafter, the four adjusting levers 21 to 24 are fastened together with the adjusting screw 27 to the frame A and B by means of the axes 25 and the screws 26. The handle 28 is attached to the adjusting screw 27. Then the clamps for the attachment the jaws 46 to 49 at the forging device (not shown in the figure) except for the lower clamps dissolved. The jaws 46 to 49 are brought together by the handle 28 with the adjusting screw 27 (FIG. Fig. 3 ) is rotated. After the jaws 46 to 49 are joined together, the lower clamps of the jaw 46 are released. A fork 50 is pushed by means of the manipulator 51 under the whole set of jaws 46 to 49 with the device. The set of jaws 46 to 49 is raised (by 50 - 80 mm) and out of the working area of the four-jaw forging machine ( Fig. 4 ) extended. The manipulator 51 with the fork 50 displaces the entire jaw set and places it on the special stand 52, where the jaw set is changed by means of a crane ( Fig. 5 ).

Die Montage des Backensatzes erfolgt in umgekehrter Reihenfolge. Der Satz von Backen 46 bis 49 wird zusammen mit der darauf befestigten Vorrichtung zum Backenwechsel mit Hilfe des Manipulators 51 mit der Gabel 50 in den Arbeitsbereich der Vierbacken-Schmiedevorrichtung eingefahren. Danach wird der Griff 28 mit der Einstellschraube 27 gedreht. Die Backen 46 bis 49 werden bis zur Berührung mit den Auflageflächen der Schmiedevorrichtung auseinandergespreizt. Die Backen 46 bis 49 werden mit Hilfe von Spannpratzen befestigt (in der Figur nicht abgebildet). Danach wird die Kupplung 45 ausgebaut. Die Bolzen 29 bis 44 werden ausgebaut, und schließlich werden die Rahmen A und B der Vorrichtung von den Backen 46 bis 49 entfernt.The assembly of the jaw set takes place in reverse order. The set of jaws 46 to 49, together with the device for changing the jaws mounted thereon, are retracted by means of the manipulator 51 with the fork 50 into the working region of the four-jaw forging device. Thereafter, the handle 28 is rotated with the adjusting screw 27. The jaws 46 to 49 are spread apart until contact with the bearing surfaces of the forging. The jaws 46 to 49 are fastened by means of clamping claws (not shown in the figure). Thereafter, the clutch 45 is removed. The bolts 29 to 44 are removed, and finally the frames A and B of the device are removed from the jaws 46 to 49.

Somit ermöglicht die erfindungsgemäße Vorrichtung, gleichzeitig die vier Backen 46 bis 49 in der Vierbacken-Schmiedevorrichtung auszutauschen. Dadurch wird die Leistung des gesamten Fertigungsvorgangs bei der Umrüstung der Anlage sichergestellt. Thus, the device according to the invention allows to simultaneously exchange the four jaws 46 to 49 in the four-jaw forging device. This ensures the performance of the entire manufacturing process during the retrofitting of the plant.

Claims (1)

  1. An apparatus for changing jaws in four-jaw forging devices, having a frame which is embodied to be adjustable in height by means of levers of equal height that are connected in articulated fashion and two parallel supports that are connected in articulated fashion to the levers,
    characterized in that
    - it has two parallel frames (A and B) ;
    - that each of the frames (A and B) comprises two
    Figure imgb0001
    - shaped supports (1 and 2, 3 and 4), which are connected in pairs to one another in articulated fashion on each side by means of four articulated levers (5-20) and in articulated fashion in pairs (5 and 6, 7 and 8, 9 and 10, 11 and 12, 13 and 14, 15 and 16, 17 and 18, 19 and 20);
    - that two pairs (21 and 22, 23 and 24) of adjusting levers (21-24) of equal size are secured in articulated fashion to the supports (1-4), the adjusting levers (21-24) in each of the pairs (21 and 22, 23 and 24) being likewise connected in articulated fashion;
    - that the pairs (21 and 22, 23 and 24) of adjusting levers (21-24) are connected to one another by means of a setting screw (27), which passes through the articulated connections of the adjusting levers (21-24), a handle (28) being located on one end of the setting screw (27);
    - that bolts (29-44) are located on the supports (1-4) and at the locations of the articulated connection of the articulated levers (5-20), specifically in such a way that they can be introduced into transportation holes in the jaws (46-49); and
    - that the lower supports (2, 4) of the frames (A and B) are connected to one another by means of a coupling (45).
EP11842813.5A 2010-11-23 2011-05-26 Device for replacing peens in four-peen forging devices Not-in-force EP2620235B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2010147786/02A RU2454293C1 (en) 2010-11-23 2010-11-23 Device for replacement of heads in four-head forging devices
PCT/RU2011/000355 WO2012070983A1 (en) 2010-11-23 2011-05-26 Device for replacing peens in four-peen forging devices

Publications (3)

Publication Number Publication Date
EP2620235A1 EP2620235A1 (en) 2013-07-31
EP2620235A4 EP2620235A4 (en) 2013-09-11
EP2620235B1 true EP2620235B1 (en) 2014-11-05

Family

ID=46146109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11842813.5A Not-in-force EP2620235B1 (en) 2010-11-23 2011-05-26 Device for replacing peens in four-peen forging devices

Country Status (5)

Country Link
EP (1) EP2620235B1 (en)
KR (1) KR20130133757A (en)
CN (1) CN103037998B (en)
RU (1) RU2454293C1 (en)
WO (1) WO2012070983A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170320126A1 (en) * 2014-11-12 2017-11-09 Danieli & C. Officine Meccaniche S.P.A. Radial forging machine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU515635A1 (en) 1974-01-02 1976-05-30 Предприятие П/Я А-1090 Industrial robot
SU616027A1 (en) * 1976-06-23 1978-07-25 Экспериментальный научно-исследовательский институт кузнечно-прессового машиностроения Tool-changing device,particularly,for radial forging machine
SU650708A1 (en) * 1977-06-01 1979-03-05 Украинский Научно-Исследовательский Институт Специальных Сталей,Сплавов И Ферросплавов Tool manipulator
US4304041A (en) * 1980-01-04 1981-12-08 The National Machinery Company Automatic tool changer for forging machines
DE3131786A1 (en) * 1981-08-12 1983-02-24 Pahnke Engineering GmbH & Co KG, 4000 Düsseldorf INTERCHANGEABLE DEVICE FOR AT LEAST TWO TOOLS OF A FREE-FORMING FORGING PRESS
JPH0180238U (en) * 1987-11-18 1989-05-30
CN2048792U (en) * 1989-01-03 1989-12-06 济南铸造锻压机械研究所 Four-peen radial forging machine
JPH069733U (en) * 1992-07-20 1994-02-08 大同特殊鋼株式会社 Anvil exchange device
RU2194592C2 (en) * 2000-11-30 2002-12-20 ОАО "Новосибирский инструментальный завод" Apparatus for changing die set in press
RU2314175C2 (en) 2005-12-19 2008-01-10 Открытое Акционерное Общество "Тяжпрессмаш" Four-striker forging apparatus
RU2398648C2 (en) 2008-09-24 2010-09-10 Открытое Акционерное Общество "Тяжпрессмаш" Four-hammer forging device
CN201483678U (en) * 2009-05-27 2010-05-26 晋江市世创机械制造有限公司 Counter-open mould closing mechanism

Also Published As

Publication number Publication date
RU2454293C1 (en) 2012-06-27
CN103037998A (en) 2013-04-10
RU2010147786A (en) 2012-05-27
KR20130133757A (en) 2013-12-09
EP2620235A4 (en) 2013-09-11
EP2620235A1 (en) 2013-07-31
WO2012070983A1 (en) 2012-05-31
CN103037998B (en) 2015-03-25

Similar Documents

Publication Publication Date Title
DE112014003298T5 (en) jig
DE4408449A1 (en) Transport system
DE2353028A1 (en) PIPE BENDING MACHINE
EP3778049B1 (en) Processing machine for flat material parts with a laying unit and method therefor
EP0671228A2 (en) Transporting equipment for work pieces in a press
EP3163240B1 (en) Pan lifting device and method of vertically displacing a metal bath pan
DE1506510C3 (en) Motor gripper
DE102009004139A1 (en) Device and method for mounting and dismounting a profile tube with or from a yoke of a universal joint shaft
DE102012220273A1 (en) Chain bending machine
EP2631021A1 (en) Four-die forging apparatus
EP2620235B1 (en) Device for replacing peens in four-peen forging devices
DE102009012050A1 (en) attachment
EP3406362A1 (en) Endless track train drawing machine and process for drawing
DE10015285C2 (en) Rolling mill for rolling metallic pipes, bars or wires
EP2289665A1 (en) Machine tool with a tool exchange device
EP0369269B1 (en) Device for guiding the entry or exit of rolling stock between the rolls of rolling stands, in particular steel sections
DE112014000292T5 (en) jig
DE60004250T2 (en) CHAIN FOR A DRAWING DEVICE AND METHOD FOR REMOVING THE CORRESPONDING GRIP BODIES
WO2019057230A2 (en) Punch press set-up
WO2006032254A1 (en) Transport device
DE202008016152U1 (en) tensioning device
DE1652815B2 (en) Mobile forge manipulator
WO2016071161A1 (en) Pipe bending press
DE102020109501B3 (en) Open-die forging press and method for forming a workpiece
EP2947041B1 (en) Maintenance apparatus for pivot mounting

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20130320

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20130808

RIC1 Information provided on ipc code assigned before grant

Ipc: B21J 13/08 20060101AFI20130802BHEP

Ipc: B21J 7/14 20060101ALI20130802BHEP

Ipc: B21K 31/00 20060101ALI20130802BHEP

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIC1 Information provided on ipc code assigned before grant

Ipc: B21J 7/14 20060101ALI20140404BHEP

Ipc: B21J 13/08 20060101AFI20140404BHEP

Ipc: B21K 31/00 20060101ALI20140404BHEP

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20140506

INTG Intention to grant announced

Effective date: 20140602

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: OTKRYTOE AKTSIONERNOE OBSCHESTVO "TYAZHPRESSMASH"

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KLENIN, ALEXEI PAVLOVICH

Inventor name: NIKONOV, VALERY VIKTOROVICH

Inventor name: LAZORKIN, VIKTOR ANDREEVICH

Inventor name: SOROKIN, VLADISLAV ALEXEEVICH

Inventor name: NIKITIN, VASILY VASILEVICH

Inventor name: PETROV, NIKOLAI PAVLOVICH

Inventor name: VOLODIN, ALEXEI MIKHAILOVICH

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 694320

Country of ref document: AT

Kind code of ref document: T

Effective date: 20141115

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502011004927

Country of ref document: DE

Effective date: 20141218

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20141105

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150305

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150205

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150305

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150206

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502011004927

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20150806

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502011004927

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20150526

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150531

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150531

Ref country code: LU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150526

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150526

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20160129

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150526

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150526

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150601

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20110526

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 694320

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160526

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160526

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20141105