EP3663079A1 - Presse de découpage fin - Google Patents

Presse de découpage fin Download PDF

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Publication number
EP3663079A1
EP3663079A1 EP19197970.7A EP19197970A EP3663079A1 EP 3663079 A1 EP3663079 A1 EP 3663079A1 EP 19197970 A EP19197970 A EP 19197970A EP 3663079 A1 EP3663079 A1 EP 3663079A1
Authority
EP
European Patent Office
Prior art keywords
plane
press
fineblanking
counter
press according
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
EP19197970.7A
Other languages
German (de)
English (en)
Other versions
EP3663079B1 (fr
Inventor
Johannes Hülshorst
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
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Publication of EP3663079A1 publication Critical patent/EP3663079A1/fr
Application granted granted Critical
Publication of EP3663079B1 publication Critical patent/EP3663079B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/18—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by screw means
    • B30B1/181—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by screw means the screw being directly driven by an electric motor
    • 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
    • B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0029—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height

Definitions

  • the invention relates to a fineblanking press according to the preamble of the first claim.
  • a fineblanking press is known EP 3 184 291 A1 , which has a fixed press table, there called "upper crosshead", with an upper tool, a counter-moving plane that is movable against it and a cutting plane that can be moved separately therebetween with a lower tool arranged opposite the upper tool and an annular serrated plane that is separately movable on the side of the upper crosshead opposite the upper tool , where these different levels are equipped with hydraulic piston-cylinder units as motion drives.
  • a disadvantage of such a known fineblanking press with hydraulic drives is, in particular, that these hydraulic drives are known as "soft systems" in the press world, since pipes and hoses of the hydraulic power transmission are compressible, with extreme force fluctuations occurring in a very short time, especially when cutting steel .
  • such hydraulic drives are only of limited suitability in terms of positionability and reproducibility.
  • the hydraulic drives are considered to be unfavorable energy consumers, just as the hydraulic oil experiences temperature-dependent volume changes and also ages and thus requires a high level of maintenance for the fineblanking press equipped with the hydraulics.
  • a disadvantage of this known and also of other hydraulic fineblanking presses is that the counterforce is supported on the cutting plane. This reduces the cutting force by the counterforce.
  • the object of the invention is to provide a fineblanking press, the opening movement of the tool of which can be made generously large, the ergonomics of the fineblanking press should be improved, as well as its economy in construction and operation.
  • Another important task, however, is to meet extremely high accuracy requirements, which cannot be achieved with the known hydraulic drives.
  • the fineblanking press is designed as a triple-acting spindle press and at least some or all of the movement drives of the levels consist of electric servomotors.
  • the hydraulic fluid and thus the associated environmental and safety problems are eliminated.
  • the position and speed control is also due
  • the high rigidity of such spindle drives is significantly easier than with hydraulic drive systems.
  • the counterforce is no longer supported on the cutting plane, the cutting force is also no longer disadvantageously reduced.
  • the opening path of a tool can be made as large as desired by designing the spindles as long as desired, which enables the machine operator to open a tool widely in the press, e.g. To be able to do maintenance work without having to remove the tool.
  • the lifting spindles of the fineblanking press are equipped with spindle nuts which are designed as planetary roller screw drives, which are particularly suitable for linear drives of high loads, with such a planetary roller screw drive still having the advantageous possibility of realizing very small thread increases, so that With the fineblanking press equipped with it, any required accuracy requirement can be repeated as often as required.
  • the electrical servomotors designed as movement drives of the counter-holding plane are arranged on the side of the press table opposite the counter-holding plane and the lifting spindles extend through the press table into the counter-holding plane and also the electrical servomotors designed as movement drives of the cutting plane on the opposite side of the cutting plane Press table are arranged and the lifting spindles extend through the press table to the cutting plane and also the electric servomotors designed as movement drives of the ring-serrated plane are arranged above a portal on the side of the press table opposite the counter plane and the lifting spindles are arranged through the portal and extend the ring serrated level and are rotatably supported in the press table, the space available under the counter holding level allows the height of the tool space to be lowered so that the tool space can be arranged at an ergonomic height for the operating personnel of the fineblanking press.
  • Feed / retraction devices are arranged on the cutting plane and are moved vertically together with the latter.
  • the cutting press is constructed on guide columns which stand on a press base with press feet, the guide columns supporting the press table and thereby extending through the counter plane, the cutting plane and also through the ring-serrated plane, which is on the other planes opposite side of the press table is arranged.
  • This type of construction without a solid press frame allows a high degree of flexibility in the design of the fineblanking press, as does a great stability of the overall construction.
  • the fineblanking press has four such guide columns, each of which is arranged in the corner regions of a base area that is rectangular in a plan view, the guide columns being provided laterally spaced from the tools.
  • the counter-holding plane and the cutting plane are arranged below the press table and the ring-serrated plane above the press table, so that the first part tool forms an upper tool and the second part tool forms a lower tool.
  • a reverse arrangement of the levels would also be conceivable, in which case the advantage of an ergonomically accessible tool space would possibly suffer slightly.
  • the ring serrated plane is driven by four movement drives via four lifting spindles, each of which is arranged in the corner regions of a rectangular base surface in plan view, which is formed within the base surface of the guide columns, the continuation of their imaginary spindle axes of rotation laterally outside the tools run. This effectively prevents tilting of the plane when the tool is attacked off-center.
  • the counter-holding plane is also preferably driven by four movement drives via four lifting spindles, each of which is arranged in the corner regions of a base area which is rectangular in plan view and which is formed outside the base area of the guide column.
  • the cutting plane is also driven by four motion drives via four lifting spindles, these lifting spindles also being arranged in the corner regions of a base area which is rectangular in plan view.
  • Another advantage of the inventive fineblanking press is that the size of the opening spacing of the two sub-tools can be freely selected by selecting the dimension of the length of the guide columns, the lifting spindles, the counter plane and the cutting plane, without having to take into account the requirements of a hydraulic system .
  • the fineblanking press preferably has a machine control, which is designed as a PC control, so that all production parameters and monitoring values of the fineblanking press can be made available to higher-level systems, such as machine or operating data acquisition, which significantly improves the economy of the fineblanking press and its environment .
  • the counter-holding forces from the counter-holding plane, the cutting forces from the cutting plane and the ring-toothed forces from the ring-toothed plane are supported independently of one another on the fixed press table of the fineblanking press, which means that opposing forces act in the fineblanking press cannot influence each other negatively, as is the case, for example, with known hydraulic fineblanking presses of the prior art, in which, for example, the cutting forces are reduced by the counterforce.
  • the fineblanking press 1 consists of four guide columns 15, which stand on a press base 16 with press feet 17 on the floor.
  • a press table 2 is fixed on the guide columns 15 and an upper first part tool 3 directed downward is arranged.
  • a cutting plane 5 is provided below the press table 2, with a lower second sub-tool 6 pointing upwards.
  • the counter-holding plane 4 is arranged, which is driven by four lifting spindles 12 arranged in a rectangle, each with its own movement drives 9.
  • Feed / retraction devices 14 are mounted on the side of the cutting plane 5.
  • a portal 20 is arranged in the middle above the sub-tools 3; 6, on which four movement drives 10 of lifting spindles 13 arranged in a square for moving the ring-toothed plane 7 are arranged, so that all movement drives 8; 9; 10 of the levels 4; 5; 7 above the Press table 2 are arranged.
  • the top of the cutting plane 5 has a height of only about 110 cm, so that a press operator, as in FIGS 3, 4 is shown, has an ergonomic access to the sub-tools 3; 6.
  • the motion drives 8; 9; 10 of the fineblanking press 1 are all designed as electrical servomotors and have lifting spindles with spindle nuts which are designed as planetary roller screw drives.
  • the electric servomotors of the movement drives 9 of the counter-holding plane 4 are arranged on the side of the press table 2 opposite the counter-holding plane 4, the lifting spindles 12 extending through the press table 2 and the cutting plane 5 into the counter-holding plane 4.
  • the electric servomotors of the motion drives 8 of the cutting plane 5 are also arranged on the side of the press table 2 opposite the cutting plane 5, the lifting spindles 11 extending through the press table 2 through the cutting plane 5.
  • the electric servomotors of the movement drives 10 of the ring-toothed plane 7 are also arranged above a portal 20 on the side of the press table 2 opposite the counter-holding plane 4, their lifting spindles 13 extending through the portal 20 and the ring-toothed plane 7 and being rotatably supported in the press table 2.
  • the four guide columns 15 of the fineblanking press 1 extend through the counter-holding plane 4, the cutting plane 5 and the ring-serrated plane 7, the guide columns 15 each being arranged in a corner area in plan view in a corner area and laterally spaced from the tools 3; 6, like this in Fig. 2 is shown.
  • the ring-serrated plane 7, like the counter-holding plane 4, is also driven by four motion drives 10 and 9 via four lifting spindles 13 and 12, which are each arranged in the corner regions of the base area of the guide columns 15 or outside the base area of the guide columns 15.
  • the four lifting spindles 11 of the cutting plane 5 are driven by four movement drives 8, which in turn are arranged in the corner areas of a base area which is rectangular in plan view.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
EP19197970.7A 2018-12-06 2019-09-18 Presse de découpage fin Active EP3663079B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018131166.4A DE102018131166B4 (de) 2018-12-06 2018-12-06 Feinschneidpresse

Publications (2)

Publication Number Publication Date
EP3663079A1 true EP3663079A1 (fr) 2020-06-10
EP3663079B1 EP3663079B1 (fr) 2022-06-22

Family

ID=67997443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19197970.7A Active EP3663079B1 (fr) 2018-12-06 2019-09-18 Presse de découpage fin

Country Status (2)

Country Link
EP (1) EP3663079B1 (fr)
DE (1) DE102018131166B4 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019125205B4 (de) * 2019-09-19 2021-07-29 Johannes Hülshorst Spindelpresse
CN112935046B (zh) * 2021-01-25 2022-10-21 东北林业大学 一种基于行星滚柱丝杠的伺服电子压力机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050039510A1 (en) * 2002-05-17 2005-02-24 Shoji Futamura Pressing machine
US20070193331A1 (en) * 2004-09-09 2007-08-23 Shoji Futamura Press device
DE102009017624A1 (de) * 2009-04-16 2010-10-28 Horst Baltschun Tiefziehpresse
DE102009017626B3 (de) * 2009-04-16 2010-12-16 Horst Baltschun Feinschneidpresse
EP3184291A1 (fr) 2015-12-11 2017-06-28 Schuler Pressen GmbH Presse pour découpage fin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3029858B2 (ja) * 1990-11-06 2000-04-10 株式会社アマダ パンチプレス
DE102006025271B3 (de) * 2006-05-31 2007-12-27 Schuler Pressen Gmbh & Co. Kg Zieheinrichtung mit hydrostatischer Spindellagerung
ITMI20120197A1 (it) * 2012-02-14 2013-08-15 Cesare Galdabini S P A Pressa per stampare, e in particolare imbutire, lamiere
DE102014003229B4 (de) * 2014-03-06 2016-06-09 Horst Baltschun Energieeffiziente vorgespannte Kompaktpresse
JP6164757B2 (ja) * 2015-12-24 2017-07-19 株式会社放電精密加工研究所 加工品及びプレス加工方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050039510A1 (en) * 2002-05-17 2005-02-24 Shoji Futamura Pressing machine
US20070193331A1 (en) * 2004-09-09 2007-08-23 Shoji Futamura Press device
DE102009017624A1 (de) * 2009-04-16 2010-10-28 Horst Baltschun Tiefziehpresse
DE102009017626B3 (de) * 2009-04-16 2010-12-16 Horst Baltschun Feinschneidpresse
EP3184291A1 (fr) 2015-12-11 2017-06-28 Schuler Pressen GmbH Presse pour découpage fin

Also Published As

Publication number Publication date
DE102018131166A1 (de) 2020-06-10
DE102018131166B4 (de) 2020-08-13
EP3663079B1 (fr) 2022-06-22

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