EP2686161A1 - ZIEHPRESSE MIT ZWEI KOPPELBAREN STÖßELN - Google Patents
ZIEHPRESSE MIT ZWEI KOPPELBAREN STÖßELNInfo
- Publication number
- EP2686161A1 EP2686161A1 EP12710484.2A EP12710484A EP2686161A1 EP 2686161 A1 EP2686161 A1 EP 2686161A1 EP 12710484 A EP12710484 A EP 12710484A EP 2686161 A1 EP2686161 A1 EP 2686161A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plunger
- drawing press
- drives
- press according
- coupling
- 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
Links
Classifications
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/24—Deep-drawing involving two drawing operations having effects in opposite directions with respect to the blank
-
- 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
- B21D24/12—Devices controlling or operating blank holders independently, or in conjunction with dies mechanically
-
- 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
- B30B1/10—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 toggle mechanism
- B30B1/14—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 toggle mechanism operated by cams, eccentrics, or cranks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/12—Clutches specially adapted for presses
Definitions
- the invention relates to a drawing press, the
- Sheet metal holder arranged relatively movable to a drawing punch.
- the sheet metal holding ring sets on the board to be reshaped and exerts a holding force or clamping force, while the drawing punch then the board in
- Such a press is known for example from DE 24 19 389.
- a hydraulic drawing press is provided, in which a movable in the direction of a plunger both a
- An eccentric drive has an eccentric shaft, which is connected via connecting rods with the outer tappet.
- a toggle lever drive with two articulated levers connects the inner tappet via a further lever with the
- Eccentric shaft Starting from the known presses, it can be regarded as an object of the present invention to make the possible uses of the press more flexible and a high quality of the formed parts
- the drawing press on a first plunger which is drivable by a first ram drive in a working direction. Furthermore, the drawing press has a second plunger, which is drivable by means of a second plunger drive.
- the two plunger drives each have an electric motor. Both ram drives are
- the drawing press also has a control unit.
- Coupling means which is switchable between a coupling state and a decoupling state.
- Coupling state is a kinematic coupling between the two tappets made, which prevents a relative movement of the first plunger relative to the second plunger.
- the coupling agent is a mechanical coupling agent, which in a
- the drawing press is therefore switchable between a single-acting mode in the coupling state and a double-acting mode in the decoupling state.
- Sheet holding force for example, be adapted to the speed of the first drawing punch. Regardless of the motion control of the first drawing punch also results in the possibility of the control unit
- the two plungers move together in the working direction. This makes it possible, the two plunger with a large forming force against the
- Coupling be sufficient if only one of Tappet drives is moved.
- the two plungers preferably form a common enlarged clamping surface in the coupling state.
- the drawing press works as a single-acting press with a drawing tool
- the two plunger drives are kinematically identical. They can be designed, for example, as eccentric drives or joint drives. Due to the identical design of the two plunger drives is achieved that in the case of coupling through the
- Control unit can easily be the same control of both plunger drives, if the pulling force required for the drawing process is greater than the force that can be applied by a single plunger drive. A complex control with different specifications for each ram drive is avoided in this case.
- the coupling means may, for example, a
- Shaft coupling or be designed as an intermediate gear between the two plunger drives.
- Coupling means is driven in particular by the control unit to switch between the coupling state and the
- the electric motors of the ram drives can as
- Servo motors or torque motors These allow precise adjustment of the position and / or force of the plunger in the working direction.
- the ram drives are, so to speak, "dry” and do not require any Hydraulic fluid.
- the two plunger drives are performed in the preferred embodiment of the drawing press as top drives and therefore arranged above the two plunger on the press frame.
- the ram in the direction opposite lower tool can be performed completely unpowered.
- FIG. 1 shows a schematic, block diagram similar side view of an embodiment of a drawing press in the decoupling state
- FIG. 2 shows the embodiment of the drawing press according to FIG. 1 in the same view in the coupling state
- FIG. 3 shows a block diagram of an embodiment of a coupling means for coupling the plunger movement
- FIG. 4 is a block diagram of another
- FIGS. 1 and 2 are schematic block diagram similar representation of the plunger drives in an embodiment as a joint drives.
- a drawing press 10 is shown
- a press frame 11 which has a plurality of substantially vertically extending stand 12, which carry a head 13.
- the lower part of the press frame 11 includes a base 14 to which the supports 12 are connected.
- the base 14, the stand 12 and the head 13 form a closed, rigid frame.
- the first plunger 17 is designed as an inner plunger, which is surrounded by the second plunger 18 annular.
- the two plungers 17, 18 are arranged coaxially with each other.
- an upper tool part 19 is arranged, for example, with a lower tool part 20 of a lower tool 21 for forming a board 22nd
- the first plunger drive 25 has a first electric motor 26, for example a servomotor or a torque motor, which drives a first eccentric shaft 27. At least one eccentric 28 and, according to the example, two eccentrics 28 are arranged on the first eccentric shaft, on each of which rotatably a connecting rod 29 is mounted. Each connecting rod 29 is pivotally connected to the eccentric 28 side with the first plunger 17. Upon rotation of the eccentric shaft 27, the connecting rods 29 are moved in the working direction A, whereby the up and down movement of the first plunger 17 in
- a second ram drive 30 with a second Electric motor 31 serves to drive the second plunger 18.
- the two plunger drives are constructed kinematically identical.
- the second electric motor 31 thus drives a second eccentric shaft 32, on which at least one and, for example, two eccentrics 28 are arranged in a rotationally fixed manner. On these eccentrics 28 are analogous to the first
- the two plunger drives 25, 30 are constructed kinematically identical. They have the same electric motors 26, 31 and the same translations, so that upon actuation of the plunger drives 25, 30 with the same control variable, the same movement of the respectively associated plunger 17, 18 in
- Plunger drives 25, 30 are the same length. With the same control variable of the two plunger drives 25, 30, substantially equal forces of the plungers 17 and 18 in the working direction A result.
- the two plunger drives 25, 30 are controlled by a control unit 33.
- the control unit 33 can independently set and specify the movement and / or position and / or force of each plunger 17, 18. In this way, the first plunger 17 and / or the second plunger 18, for example, position-controlled or position-controlled or force-controlled or force-controlled.
- the corresponding control of the plunger drive 25, 30 and the respective electric motor 26, 31 is carried out by the control unit 33rd
- Coupling means 35 are switched between a coupling state and a decoupled state.
- the coupling means 35 is at the here
- the two plunger drives 25, 30 are kinematically coupled for this purpose.
- the two eccentric shafts 27, 32 of the two plunger drives 25, 30 by a shaft coupling 36 in the coupling state
- the shaft coupling 36 is reversible and separates the two
- the shaft coupling 36 can be switched by the control unit 33.
- the shaft coupling 36 or another coupling means 35 mechanically carried out by an operator operable or switchable, so that a manual switching between the
- FIG. 4 shows an alternative embodiment of the coupling means 35.
- a mechanical connection is made by the coupling means 35 directly between the first plunger 17 and the second plunger 18, when this is in the coupling state.
- the coupling means 35 releases the relative movement between the two plungers 17, 18.
- the mechanical connection in the coupling state can be
- the coupling means 35 can also at This embodiment as shown schematically in Figure 4 by the control unit 33 can be switched over or alternatively manually switched over.
- the drawing press 10 may depend on the condition of the
- Coupling agent 35 operated either as a double-acting press or as a single-acting press.
- the lower tool 21 has a pulling device 40 (FIG. 2).
- Drawing device 40 has, for example, a table cushion 41 with a floating plate 42, which in the working direction A of the drawing press 10 via a table cushion drive 43
- Floating plate 42 are arranged a plurality of push rods 46 which pass through a press table 44 and at its the upper tool part 19 and the plungers 17, 18 facing the end of an annular blank holder 45 have. On the press table 44 below the plate holder 45, the lower tool part 20 is arranged.
- the upper tool part 19 and the lower tool part 20 are complementary to each other. It is possible both the lower tool part 20 or the upper
- the drawing press 10 works as follows:
- the second plunger 18 serves as a hold-down in this case. Before the forming process of the board 22, the second plunger 18 is first moved down until it to the board 22 is applied. The movement up to the board 22 in the working direction A is carried out by the control or regulation of the position of the second plunger 18. Once he has reached the board 22, the control unit 33 switches to the control or regulation of the clamping force, the second plunger 18 on the Board 22 exerts. This is between the second plunger 18 and one on the lower tool 21st
- the control unit controls the second ram drive 30 independently of the first ram output 25 so that it only reaches the board 22 when the first ram 18 acts on the board 22 with the desired clamping force.
- About the control or regulation of the position and / or the speed of the first plunger 17 in the working direction A is the actual drawing process of the board 22nd
- the upper tool part 19 and the lower tool part 20 work together and bring the board 22 in the desired shape.
- the clamping force that exerts the second plunger 18 on the board 22 vary.
- the clamping force can be adjusted according to the position and / or the speed of the first plunger 17. Because of the
- control unit 33 are configured, a corresponding control by the control unit 33 is very simple and accurate.
- the drawing press 10 can also be used as a single-acting
- the drawing press 10 Operation of the drawing press 10 as a single-acting press the sheet holding ring 45 and the push rods 46 are connected to the floating plate 42. Should the operating mode be double acting press are set, the push rods 46 and the sheet holder ring 45 can be easily removed.
- the operating state as a single-acting press is further adjusted by the coupling means 35 is switched to its coupling state. In this case, the two plungers 17, 18 are coupled for movement. They form on their side facing the lower tool 21 side a common clamping surface 50. The moments of the two
- Electric motors 26, 31 of the two plunger drives 25, 30 can be added in this state, so that the force with which the two plungers 17, 18 together against the
- Board 22 can be moved, may be greater than the force that can be applied by the first or second ram drive 25, 30 alone. As a result, too
- Tool part 20 cooperate and a transformation of the board 22 takes place.
- the plunger drives 25, 30 are formed by eccentric drives.
- each plunger drive 25, 30 and more than one Electric motor 26, 31 have.
- a joint drive 51 has two levers 52 connected to one another in an articulated manner, the one lever 52 being connected in an articulated manner to the press set 11 with the associated plunger 17 or 18 and the respectively other lever 52. At the articulated connection between the two levers 52 is seated a drive lever 53, which is guided by an eccentric 54
- the invention relates to a drawing press 10 with a first plunger 17 and a second plunger 18.
- the first plunger 17 is by an electromotive first
- the drawing press 10 further comprises a coupling means 35 which between a
- Uncoupling state and a coupling state is switchable.
- the two plungers 17, 18 can move independently of one another in the working direction A.
- the coupling means 35 ensures that a relative movement between the two plungers 17, 18 is prevented.
- the drawing press 10 can therefore be operated as a single or double-acting press.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Control Of Presses (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011001314.8A DE102011001314C5 (de) | 2011-03-16 | 2011-03-16 | Ziehpresse mit zwei koppelbaren Stößeln |
PCT/EP2012/054716 WO2012123583A1 (de) | 2011-03-16 | 2012-03-16 | ZIEHPRESSE MIT ZWEI KOPPELBAREN STÖßELN |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2686161A1 true EP2686161A1 (de) | 2014-01-22 |
EP2686161B1 EP2686161B1 (de) | 2015-03-04 |
Family
ID=45878933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12710484.2A Not-in-force EP2686161B1 (de) | 2011-03-16 | 2012-03-16 | ZIEHPRESSE MIT ZWEI KOPPELBAREN STÖßELN |
Country Status (9)
Country | Link |
---|---|
US (1) | US9216448B2 (de) |
EP (1) | EP2686161B1 (de) |
CN (1) | CN103459133B (de) |
BR (1) | BR112013022922A2 (de) |
CA (1) | CA2829834C (de) |
DE (1) | DE102011001314C5 (de) |
ES (1) | ES2534216T3 (de) |
MX (1) | MX2013010568A (de) |
WO (1) | WO2012123583A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012005635B3 (de) * | 2012-03-22 | 2013-06-27 | Allgaier Werke Gmbh | Vorrichtung, Anlage und Verfahren zum Umformen einer Blechplatine sowie ein hiermit hergestelltes Werkstück |
DE102013219819A1 (de) * | 2013-09-30 | 2015-04-02 | Allgaier Werke Gmbh | Vorrichtung zum Umformen eines Werkstückes aus Blech |
US9931684B2 (en) | 2014-04-18 | 2018-04-03 | Honda Motor Co., Ltd. | Forming die and method of using the same |
US10105742B2 (en) | 2014-12-09 | 2018-10-23 | Honda Motor Co., Ltd. | Draw press die assembly and method of using the same |
DE102015110748A1 (de) | 2015-07-03 | 2017-01-05 | Schuler Pressen Gmbh | Verfahren zur Einstellung eines Phasenversatzes einer mehrfach wirkenden mechanischen Querwellenpresse sowie eine Presse nach diesem Verfahren |
EP3536493A1 (de) * | 2018-03-05 | 2019-09-11 | Arcofil S.A. | Elektrische presse mit torquemotor |
DE102018116119A1 (de) * | 2018-07-04 | 2020-01-09 | Schuler Pressen Gmbh | Presse, Pressenwerkzeugteil und Verfahren zu dessen Herstellung |
CN110125224B (zh) * | 2019-06-24 | 2020-10-13 | 广东虹瑞智能设备股份有限公司 | 一种多级冲压机床 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2419389A1 (de) | 1974-04-23 | 1975-11-13 | Smg Sueddeutsche Maschinenbau | Vorrichtung zum tiefziehen von spueltischen |
JPH02179325A (ja) * | 1988-12-29 | 1990-07-12 | Enami Seiki:Kk | 絞り成形機 |
US5626048A (en) * | 1995-11-20 | 1997-05-06 | Can Industry Products, Inc. | Method and apparatus for forming cup-shaped members |
DE19806079A1 (de) * | 1998-02-14 | 1999-08-19 | Schuler Pressen Gmbh & Co | Ziehpresse mit variabler Ziehrichtung |
DE19821159A1 (de) * | 1998-05-12 | 1999-11-25 | Johannes Huelshorst | Tiefziehpresse |
DE19943441B4 (de) * | 1999-09-11 | 2007-10-04 | Sms Eumuco Gmbh | Doppeltwirkende mechanische Umformmaschine |
US6505492B2 (en) * | 2001-04-11 | 2003-01-14 | Bethlehem Steel Corporation | Method and apparatus for forming deep-drawn articles |
US7475584B2 (en) * | 2002-06-18 | 2009-01-13 | Amada Company, Limited | Servo-drive system and continuous finishing system of press |
DE202005002667U1 (de) * | 2005-02-19 | 2005-04-21 | Hülshorst, Johannes | Mehrfachpresse |
JP2007118017A (ja) * | 2005-10-26 | 2007-05-17 | Daihatsu Motor Co Ltd | ダブルアクションプレス装置とプレス方法 |
US20080028817A1 (en) * | 2006-08-07 | 2008-02-07 | Advanced Engineered Systems, Inc. | Servo-driven cupping press |
JP2010125456A (ja) * | 2008-11-25 | 2010-06-10 | Ihi Corp | 複動プレス機械 |
DE102009017624B4 (de) * | 2009-04-16 | 2012-02-16 | Horst Baltschun | Tiefziehpresse |
-
2011
- 2011-03-16 DE DE102011001314.8A patent/DE102011001314C5/de not_active Expired - Fee Related
-
2012
- 2012-03-16 CN CN201280013202.9A patent/CN103459133B/zh not_active Expired - Fee Related
- 2012-03-16 MX MX2013010568A patent/MX2013010568A/es active IP Right Grant
- 2012-03-16 US US14/005,049 patent/US9216448B2/en not_active Expired - Fee Related
- 2012-03-16 ES ES12710484.2T patent/ES2534216T3/es active Active
- 2012-03-16 EP EP12710484.2A patent/EP2686161B1/de not_active Not-in-force
- 2012-03-16 WO PCT/EP2012/054716 patent/WO2012123583A1/de active Application Filing
- 2012-03-16 CA CA2829834A patent/CA2829834C/en not_active Expired - Fee Related
- 2012-03-16 BR BR112013022922A patent/BR112013022922A2/pt not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO2012123583A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2686161B1 (de) | 2015-03-04 |
CA2829834C (en) | 2016-09-13 |
CN103459133A (zh) | 2013-12-18 |
US9216448B2 (en) | 2015-12-22 |
WO2012123583A1 (de) | 2012-09-20 |
DE102011001314A1 (de) | 2012-09-20 |
ES2534216T3 (es) | 2015-04-20 |
US20140047892A1 (en) | 2014-02-20 |
MX2013010568A (es) | 2013-12-02 |
CN103459133B (zh) | 2015-08-19 |
DE102011001314C5 (de) | 2016-03-03 |
DE102011001314B4 (de) | 2014-01-23 |
CA2829834A1 (en) | 2012-09-20 |
BR112013022922A2 (pt) | 2016-12-06 |
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