EP2243572A2 - Manipulateur pour machines à forger - Google Patents

Manipulateur pour machines à forger Download PDF

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Publication number
EP2243572A2
EP2243572A2 EP10003811A EP10003811A EP2243572A2 EP 2243572 A2 EP2243572 A2 EP 2243572A2 EP 10003811 A EP10003811 A EP 10003811A EP 10003811 A EP10003811 A EP 10003811A EP 2243572 A2 EP2243572 A2 EP 2243572A2
Authority
EP
European Patent Office
Prior art keywords
main shaft
clutch
manipulator
manipulator according
forging
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
Application number
EP10003811A
Other languages
German (de)
English (en)
Other versions
EP2243572A3 (fr
EP2243572B1 (fr
Inventor
Karl Hermann Claasen
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.)
SMS Group GmbH
Original Assignee
SMS Meer 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 SMS Meer GmbH filed Critical SMS Meer GmbH
Publication of EP2243572A2 publication Critical patent/EP2243572A2/fr
Publication of EP2243572A3 publication Critical patent/EP2243572A3/fr
Application granted granted Critical
Publication of EP2243572B1 publication Critical patent/EP2243572B1/fr
Active legal-status Critical Current
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
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/10—Manipulators
    • 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
    • B21J13/10—Manipulators
    • B21J13/12—Turning means

Definitions

  • the invention relates to a forging manipulator, which detects the workpiece to be forged by means of a block tongs and moves according to the forging sequence in the circumferential direction by means of a rotary drive.
  • the invention further relates to a forging machine comprising a forging manipulator.
  • a forging manipulator for, in particular, multi-tappet forging machines.
  • the manipulator has a rotatably mounted central axis, with which the workpiece is moved according to the forging sequence in the circumferential direction.
  • the manipulator is rotationally driven by means of a motor running at a preselected constant speed which acts on the central axis of the manipulator via a worm gear and wherein the rotor movement of the central axis is brought to a standstill by the bumps prior to the pressure contact phase and kept stationary during the pressure contact phase.
  • the driven screw is mounted axially displaceable.
  • the rotor motion of the forging before the pressure contact phase i. the engagement of the forging tools on the workpiece, brought to a standstill and held during the pressure contact phase at a standstill.
  • the invention has for its object to provide a rotary drive for the main shaft of a forging manipulator, which can be made technically easier and with less effort and which makes it possible, the main shaft of the manipulator on the front of the block tongs, in defined angular increments to turn precisely to give the researcherschmiedenden rod a rectangular, square, polygonal or round profile. Despite the simplification, the reliability should be increased.
  • a clutch disc is non-rotatably mounted on the main shaft of the manipulator.
  • This clutch disc is associated with at least one clutch wrapping around it, which is mounted cantilevered on the main shaft.
  • two or four hydraulic cylinders for generating the rotational movement are preferably provided as a hydraulic drive.
  • the adjusting drive for the holding tool in particular a block tongs, comprises a main shaft and a clutch arrangement in which a clutch disc is non-rotatably mounted on the main shaft.
  • the assembly can be done in a customary manner, for example by shrinking, welding, screwing or the like.
  • the adjusting drive in the sense of the invention, furthermore has a coupling which is mounted on the main shaft in free-swinging fashion and which wraps around the clutch disk, which is brought into engagement with the clutch disk as required, in order then to cause the rotational movement performed by the clutch disk to also act on the freewheeling clutch is transmitted.
  • a rotor movement executed by the cantilevered coupling is transmitted in the engaged state of the coupling to the fixedly mounted coupling disk, thus to the main shaft and finally also to the holding tool.
  • a preferred embodiment of the invention provides a hydraulic drive, wherein the hydraulic drive particularly preferably comprises at least two hydraulic cylinders. exceedingly at least four hydraulic cylinders, which are at least indirectly connected to the main shaft, are preferred.
  • the indirect connection takes place in the sense of the invention via the coupling arrangement and very particularly preferably when the hydraulic drive, in particular the hydraulic cylinder, engages the free-running clutch.
  • the hydraulic cylinders are independent of each other adjustable, as a result, the degrees of freedom of the system and the possibilities of hydraulically effected rotor motion of the main shaft of the holding tool are supported particularly advantageous.
  • the hydraulic cylinders are provided at least on one side of the main shaft as a synchronous cylinder, to thereby achieve a uniform introduction of the radial force on the cylinder to each side of the main shaft.
  • the main bet of the adjustment for the holding tool is formed as a hollow shaft, as this can be optimally reduced by the hydraulic drive mass to be moved without particular impairment of the rigidity and strength of the overall structure.
  • the hydraulic cylinders engage the free-running clutch.
  • the free-running clutch has at least two arranged on each side of the clutch disc coupling rockers, whereby on the one hand a particularly secure construction of the entire clutch assembly is achieved and on the other hand, the principle of arranged on both sides of the main shaft actuators for the Rotor movement of the main shaft is supported particularly advantageous.
  • the manipulator according to the invention is particularly advantageously used in a forging machine, this forging machine is in a highly preferred embodiment of the invention, a so-called multi-plunger forging machine.
  • FIG. 1 shown manipulator is mounted axially displaceable on a manipulator guide bed 8 in the direction of arrow 9 parallel to the longitudinal axis 6 in total.
  • the manipulator comprises a manipulator main shaft 3 and a holding tool 1 in the form of a block forceps. From the block tongs a forging block 10 is held both in the direction of the arrow 9 and rotor, indicated by arrow 11, to be placed freely between two forging tools of a forging machine (not shown) in the desired manner.
  • the Fig. 2 shows a sectional view of the adjusting drive 2 according to the invention on a (only partially shown) main shaft 3.
  • a clutch disc 4a rotatably shrunk while coupling rockers are so freely swinging on bearings 2a-d of the main shaft 3 arranged that they wrap around the clutch disc 4a.
  • the rotational movement is thus transmitted from the free-running coupling 4b to the clutch disc 4a and thus also to the main shaft 3.
  • the Fig. 3 shows three different representations 3a-3c, wherein Figure 3c essentially the one out Fig. 2 shown arrangement, but in only a partial section corresponds.
  • the Fig. 3a shows two hydraulic cylinders 5a, 5b, each attacking on one side of the free-running clutch 4b.
  • the achievable with this structure of the adjustment 2 swivel angle of the main shaft 3 about its longitudinal axis 6 around is a maximum of 60 ° in the illustrated embodiment.
  • the Fig. 3b shows one opposite Fig. 3a 90 ° pivoted sectional view of the adjusting drive 2, wherein in the embodiment shown here, two synchronous cylinders 5a1 and 5a2 are arranged on one side of the manipulator main shaft 3.
  • the hydraulic cylinder 5a1 engages on the left side of the clutch disk 4a on the outer coupling rocker 4ba and the right hydraulic cylinder 5a2 engages on the right of the clutch disk 4a free-swinging arranged on the main shaft 3 outer coupling rocker 4ba.
  • the Fig. 4 shows in two representations 4a and 4b two steps to explain the sequence of rotation step control in the forging of round bars.
  • the left hydraulic cylinder 5a is in this case in the actuating position, in which a deflection of the cylinder longitudinal axis 17 from the vertical 15 is effected.
  • the right cylinder 5b is shown in its initial position with parallel longitudinal axis 16 to the vertical 15. Between two forging strokes, during which no rotor movement is applied by the adjusting drive to the holding tool (not shown), steps are carried out with 10 ° increments.
  • the left cylinder 5a is in its initial position and the right cylinder 5b is in the actuating position with an angular offset of its longitudinal axis 16 to the vertical 15.
  • the right cylinder 5b after the last step of the left cylinder 5a and after the last step of the right cylinder 5b starts the operation of the left cylinder 5a, which is then again in its original position.
  • the rotor movement of the holding tool (not shown) and of the forging (not shown) is achieved by means of the intermittent adjustment of the hydraulic cylinders 5a, 5b.
  • FIG. 5 shows similar to Fig. 4 exemplifies the sequence of the rotation step control, but here in two FIGS. 5a, 5b with regard to the forging of hexagonal bars.
  • Fig. 5a is the left cylinder 5a in the operating position and in interplay cause the hydraulic cylinders 5a, 5b a 30 ° rotation step between two forging strokes.
  • the right cylinder 5b is located in the Fig. 5a illustrated intermediate position in its initial position.
  • Fig. 5b in contrast, the left cylinder 5a is shown in the starting position and the right cylinder 5b in the operating position.
  • the right cylinder 5b moves after the last step of the left cylinder 5a, and after the last step of the right cylinder 5b starts the left cylinder 5a, which is then in the starting position.
  • FIG. 6 is analogous to the exemplary representations according to the Fig. 4 and also an exemplary sequence of a rotary step control, but here for the forging of square or octagonal rods, refer.
  • Fig. 6a the left cylinder 5a is shown in the initial position, while the right cylinder 5b is shown in the operating position.
  • forging octagonal bars a 45 ° step is carried out between each two forging strokes, while forging square bars between two consecutive forging passes two 45 ° steps are carried out.
  • Fig. 6b again, the left cylinder 5a is seen in an end position and the right cylinder 5b in the output / actuated position.
  • the right cylinder 5b moves to the step of the left cylinder 5a, and after the executed step of the right cylinder 5b, the left cylinder 5a starts, which is then in the home position again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
EP10003811.6A 2009-04-23 2010-04-09 Manipulateur pour machines à forger Active EP2243572B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009018353 2009-04-23
DE102009052141A DE102009052141A1 (de) 2009-04-23 2009-11-06 Manipulator für Schmiedemaschinen

Publications (3)

Publication Number Publication Date
EP2243572A2 true EP2243572A2 (fr) 2010-10-27
EP2243572A3 EP2243572A3 (fr) 2014-11-19
EP2243572B1 EP2243572B1 (fr) 2016-06-15

Family

ID=42542881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10003811.6A Active EP2243572B1 (fr) 2009-04-23 2010-04-09 Manipulateur pour machines à forger

Country Status (5)

Country Link
US (1) US8234903B2 (fr)
EP (1) EP2243572B1 (fr)
JP (1) JP5570863B2 (fr)
CN (1) CN101869961B (fr)
DE (1) DE102009052141A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2468883C1 (ru) * 2011-04-13 2012-12-10 Открытое акционерное общество "Чепецкий механический завод" Клещевая головка ковочного манипулятора (варианты)
EP4321273A1 (fr) * 2022-08-08 2024-02-14 SMS Group GmbH Manipulateur de pièces à usiner

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516507B1 (de) * 2014-12-02 2016-06-15 Gfm-Gmbh Schmiedemaschine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0434891B1 (fr) 1989-12-23 1993-11-03 EUMUCO Aktiengesellschaft für Maschinenbau Manipulateur pour machines de forgeage, notamment machines de forgeage à poinçons multiples

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036854A (en) * 1956-03-21 1962-05-29 Dango & Dienenthal K G Power-operated forging tongs
JPS4929064B1 (fr) * 1970-10-16 1974-08-01
JPS4932826B1 (fr) * 1970-12-26 1974-09-03
BG21275A1 (fr) * 1975-03-13 1977-05-20
US4098320A (en) * 1976-11-08 1978-07-04 The Alliance Machine Company Ingot stripper structure
DE3626090A1 (de) * 1986-07-31 1988-02-11 Hasenclever Maschf Sms Schmiedemanipulator
EP0257449B1 (fr) * 1986-08-21 1992-03-04 SMS Hasenclever GmbH Dispositif de serrage des pièces sur manipulateurs de forgeage
GB8704931D0 (en) * 1987-03-03 1987-04-08 Davy Mckee Sheffield Peel assembly for ingot manipulator
US4848373A (en) * 1987-04-13 1989-07-18 Helme Tobacco Company Nicotine removal process and product produced thereby
JPH0271984A (ja) * 1988-09-07 1990-03-12 Toshiba Corp ロボット
DE9005834U1 (de) * 1990-05-23 1991-09-19 Eumuco Aktiengesellschaft für Maschinenbau, 5090 Leverkusen Manipulator fuer schmiedemaschinen, insbesondere mehr-stoessel-schmiedemaschinen
JPH0557647A (ja) * 1991-09-03 1993-03-09 Nec Corp スポンジ供給用ロボツトハンド
US5355743A (en) * 1991-12-19 1994-10-18 The University Of Texas At Austin Robot and robot actuator module therefor
JPH0760679A (ja) * 1993-08-31 1995-03-07 Takenaka Komuten Co Ltd マニピュレータ
CN201102056Y (zh) * 2007-07-11 2008-08-20 姬建羽 一种锻造操作机
CN101337328A (zh) * 2008-08-07 2009-01-07 郭文龙 一种数控机床的智能夹紧装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0434891B1 (fr) 1989-12-23 1993-11-03 EUMUCO Aktiengesellschaft für Maschinenbau Manipulateur pour machines de forgeage, notamment machines de forgeage à poinçons multiples

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2468883C1 (ru) * 2011-04-13 2012-12-10 Открытое акционерное общество "Чепецкий механический завод" Клещевая головка ковочного манипулятора (варианты)
EP4321273A1 (fr) * 2022-08-08 2024-02-14 SMS Group GmbH Manipulateur de pièces à usiner

Also Published As

Publication number Publication date
JP5570863B2 (ja) 2014-08-13
US8234903B2 (en) 2012-08-07
CN101869961B (zh) 2014-06-25
EP2243572A3 (fr) 2014-11-19
US20100269562A1 (en) 2010-10-28
CN101869961A (zh) 2010-10-27
EP2243572B1 (fr) 2016-06-15
DE102009052141A1 (de) 2010-10-28
JP2010253556A (ja) 2010-11-11

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