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EP2335840A3 - Hydraulic press drive - Google Patents

Hydraulic press drive Download PDF

Info

Publication number
EP2335840A3
EP2335840A3 EP10015501.9A EP10015501A EP2335840A3 EP 2335840 A3 EP2335840 A3 EP 2335840A3 EP 10015501 A EP10015501 A EP 10015501A EP 2335840 A3 EP2335840 A3 EP 2335840A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic press
press drive
hydraulic
cylinder
disclosed
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
EP10015501.9A
Other languages
German (de)
French (fr)
Other versions
EP2335840B1 (en
EP2335840A2 (en
Inventor
Marek Chmiel
Oliver Schneider
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2335840A2 publication Critical patent/EP2335840A2/en
Publication of EP2335840A3 publication Critical patent/EP2335840A3/en
Application granted granted Critical
Publication of EP2335840B1 publication Critical patent/EP2335840B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • 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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/10—Devices controlling or operating blank holders independently, or in conjunction with dies
    • B21D24/14—Devices controlling or operating blank holders independently, or in conjunction with dies pneumatically or hydraulically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/163—Control arrangements for fluid-driven presses for accumulator-driven presses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

Offenbart ist ein hydraulischer Pressenantrieb mit einem Eilgangzylinder (2) und einem Gegenhaltezylinder (4), die jeweils in einem eigenen hydraulischen Kreis mit einer Hydromaschine angeordnet sind.

Figure imgaf001
Disclosed is a hydraulic press drive with a rapid traverse cylinder (2) and a counter holding cylinder (4), which are each arranged in a separate hydraulic circuit with a hydraulic machine.
Figure imgaf001
EP10015501.9A 2009-12-15 2010-12-10 Hydraulic press drive Active EP2335840B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009058407A DE102009058407A1 (en) 2009-12-15 2009-12-15 Hydraulic press drive

Publications (3)

Publication Number Publication Date
EP2335840A2 EP2335840A2 (en) 2011-06-22
EP2335840A3 true EP2335840A3 (en) 2014-12-31
EP2335840B1 EP2335840B1 (en) 2021-02-17

Family

ID=43735836

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10015501.9A Active EP2335840B1 (en) 2009-12-15 2010-12-10 Hydraulic press drive

Country Status (3)

Country Link
EP (1) EP2335840B1 (en)
DE (1) DE102009058407A1 (en)
ES (1) ES2865726T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010019324B4 (en) * 2010-05-03 2015-05-07 Schuler Pressen Gmbh Hydraulic drawing cushion
DE102013007148A1 (en) 2013-04-25 2014-10-30 Robert Bosch Gmbh Hydraulic press drive with energy recovery
ES2839073T3 (en) 2015-07-06 2021-07-05 Feintool Int Holding Ag Device and procedure for controlling the main drive of a precision punch press
DE102018120001A1 (en) * 2018-08-16 2020-02-20 Moog Italiana S.R.L. Digital pump axis control system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074421A1 (en) * 1981-09-12 1983-03-23 L. SCHULER GmbH Deep-drawing arrangement for presses with mechanically driven drawing punch
DE4309641A1 (en) * 1992-03-27 1993-09-30 Rexroth Mannesmann Gmbh Hydraulic drive for sheet metal forming press - has first hydrostatic machine to regulate pressure and second hydrostatic machine to expel pressure medium from hydraulic cylinder
EP0573830A1 (en) * 1992-06-10 1993-12-15 Umformtechnik ERFURT GmbH Hydraulic drawing system in a press
WO2005016571A1 (en) * 2003-08-07 2005-02-24 Bosch Rexroth Ag Device for controlling the drawing process in a transfer press

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074421A1 (en) * 1981-09-12 1983-03-23 L. SCHULER GmbH Deep-drawing arrangement for presses with mechanically driven drawing punch
DE4309641A1 (en) * 1992-03-27 1993-09-30 Rexroth Mannesmann Gmbh Hydraulic drive for sheet metal forming press - has first hydrostatic machine to regulate pressure and second hydrostatic machine to expel pressure medium from hydraulic cylinder
EP0573830A1 (en) * 1992-06-10 1993-12-15 Umformtechnik ERFURT GmbH Hydraulic drawing system in a press
WO2005016571A1 (en) * 2003-08-07 2005-02-24 Bosch Rexroth Ag Device for controlling the drawing process in a transfer press

Also Published As

Publication number Publication date
ES2865726T3 (en) 2021-10-15
DE102009058407A1 (en) 2011-06-16
EP2335840B1 (en) 2021-02-17
EP2335840A2 (en) 2011-06-22

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