EP2804751A1 - Verwendung von daten des kraftflusses in einer presse für den betrieb eines stössels - Google Patents
Verwendung von daten des kraftflusses in einer presse für den betrieb eines stösselsInfo
- Publication number
- EP2804751A1 EP2804751A1 EP13709147.6A EP13709147A EP2804751A1 EP 2804751 A1 EP2804751 A1 EP 2804751A1 EP 13709147 A EP13709147 A EP 13709147A EP 2804751 A1 EP2804751 A1 EP 2804751A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plunger
- data
- press
- force
- use 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
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000011112 process operation Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000000418 atomic force spectrum Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000012549 training Methods 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 claims 1
- 230000005483 Hooke's law Effects 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 230000007257 malfunction Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000004224 protection Effects 0.000 description 4
- 239000003351 stiffener Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
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
- B30B15/165—Control arrangements for fluid-driven presses for pneumatically-hydraulically driven presses
-
- 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
- B30B1/26—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 cams, eccentrics, or cranks
- B30B1/28—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 cams, eccentrics, or cranks the cam, crank, or eccentric being disposed below the lower platen or table and operating to pull down the upper platen or slide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0094—Press load monitoring means
-
- 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
- B30B15/24—Control arrangements for fluid-driven presses controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam
Definitions
- the invention relates to the use of data of the power flow in a press for the operation of a plunger, the press at least one strigma connected via at least one drive, generating a force drive means, at least one hub exporting and transmitting the force, at least one tool top receiving plunger and at least one of the plunger and the corresponding tool upper part associated lower tool part, and between lower tool part and
- Tool upper part is machined or deformed a workpiece or material.
- Such presses are known as versions with upper drive or lower drive for the plunger.
- the respective element of the drive train connected to and operating the ram may be designed as a drawbar / Werneruel in a sub-drive or as a threaded spindle or directly a force-generating element such as piston / cylinder unit.
- Presses - both with top drive and with bottom drive - should, however, be designed so that they ensure an optimized force and travel path of the ram and its stroke and can act differentiated according to the processing requirements. From normal positions deviating positions of individual machine elements as well as the plunger should include as far as possible the construction system or balance in order to avoid on the one hand complex designs of the plunger guide and on the other hand to ensure the machining process.
- Balancing movements of the plunger are met during at least a partial path of its strokes.
- this also applies to the area of the articulation points of the tie-rods on the tappet, which are regularly designed as releasable, rigid connections on the tappet.
- This invention aims solely to compensate for the inclination of the plunger so that a largely parallel to the press table plunger movement can be guaranteed.
- the solution principle therefore includes a ram parallel holding multi-point presses with hydraulic pressure pad, the spring stiffeners are changed in the pressure points so that occurring due to eccentric load different longitudinal deformations of frame and connecting rod by reducing the stiffness of the associated or
- Pressure points and the forces to be transmitted by the individual pressure points of the press behave inversely proportional to each other and
- the or the less loaded pressure pad with a pressure accumulator in particular a piston accumulator, is connected and the bias pressure of the pressure accumulator, in particular the gas pressure of the piston accumulator according to the desired
- the invention is based on the assumption that all these expenditures and facilities, such as guiding and protection devices, can be dispensed with, if the desired
- Parallel movement of the plunger can be ensured by controlled and regulated drive motors. In the event of malfunction oblique or inclined positions of the plunger, these should also be allowed, for which solutions in this regard were not covered by the development directions taken so far and thus factually excluded.
- the invention is based on the object, one in the types described above of presses, i. both with top drive and with sub-drive with asymmetrically occurring pressing forces as well as Ziehkissen adoptedn to allow or counteract an unwanted as resulting from malfunctioning tilt of the plunger or control a desired inclination of the plunger with structural elements, what data of the power flow in a press for the operation of the plunger are to be used without using elaborate protective mechanisms.
- Hub exporting and the force transmitting, at least one tool top receiving plunger, and at least one of the plunger and the
- the second variant of the solution uses said data of the force flow of a press for the operation of a plunger
- the press arranged at least one, in a substructure, and strlid connected to at least one drive, a force generating drive device, at least one Hub exporting and transmitting power, at least one tool top receiving plunger, at least one by means of a train connection or pressure connection comprising the tappet engaging tension element or pressure element for transmitting the drive for the stroke of the plunger and at least one of the tappet and the corresponding tool upper part associated tool lower part, which parts of the press produce the power flow from the drive device to the tool upper part,
- the tension connection with the tension element or the pressure connection with the pressure element on the plunger is mounted in a tension / pressure point which permits an inclined position of the plunger
- the formation of the tension element as a tie rod or pull spindle and according to claim 4, the formation of the pressure element as a connecting rod or spindle or piston / cylinder unit.
- a changeable position due to allowable elasticities of the tension element or pressure element permitting releasable or permanent or permanent formation of the train connection or pressure connection can be used, in which case compensating / movements absorbed elastically by the tension element or pressure element become .
- At least a first means is used according to claim 8 for the recording of data of a path or the stroke concerning the position of the plunger.
- At least a third means is solely responsible for the recording of data of the power flow of the parts involved.
- For receiving the data of an expansion or rebound or movement underlying parts is provided according to claim 11 at least one arranged in at least part of the press, force or motion detecting element, which preferably in the force or motion sensitive areas of the expansion or rebound or articulated changeable mounting of the tension element or
- the data of the first, second and third means processes a control and regulation device for at least one of the control signals, such as
- At least one of the first means or the second means or the third means is included for a controlled process flow, wherein a relationship between the forming forces applied to the second means or the third means and the first means or the second means
- Means determined data of the position of the ram is produced.
- the determined data of the position of the plunger can also be specified according to claim 15, after which the desired force curve / force balance is set.
- the guide s large from the established data of the power flow of the parts or the forming forces and the leadership s large from the determined data of the position of the plunger can be advantageously changed according to claim 16 during the process operation.
- the data resulting from the respectively changing forces or positions of the plunger during the process are processed by at least one of the first, second and third means.
- the invention thus provides both for a targeted or to be admitted as well as for a malfunction resulting from maladjustment of the ram to each of the process useful solution.
- Sub-drive applicable as "quasi-sensory means" for the recording of data of the parts involved in the power flow parts can be determined in preferably kraftflußrelevant, component-sensitive areas such as a pressure or train connection, depending on the upper or lower drive, with lying on the plunger.
- each other in the Switzerland- / pressure point dome-shaped corresponding, each having a convex spherical segment support and a concave spherical segment support arrangement of the train connection.
- each other dome-shaped corresponding, each having a convex spherical segment support and a concave spherical segment support arrangement can also be used for a press with top drive as a pressure connection.
- a generic press with sub drive according to the DE application PCT / DE2011 / 075197, which already uses data for a power-optimizing process operation.
- the region of the tie rod connection with the plunger that is used as "quasi-sensory means" tensile / pressure point for the data to be detected with strain gauges or piezo elements.
- the design according to the invention namely the control and regulating device which safeguards the mechanical construction of the press and the adjustment of asymmetrical pressing forces and also processes the data of the first, second and third means, is likewise in an existing system designed as already proposed integrated.
- a controlled or controlled process flow at e.g. Forming under
- At least the first agent or the second agent or the third agent can be adjusted.
- a relationship is established between the forming forces occurring with the data processed with the second means or the third means and the position of the plunger determined with the first means or the second means.
- Cushioning forces are introduced via the tension rods, which are not rigidly connected to the ram in four pressure points, for example in a press with a sub-drive, for which the mounting and definable inclination of the ram, which is movable in each case, is also used.
- the invention provides a further effect, in addition to the interaction of the forming forces such as the die cushion forces also beneficial to the overall construction cost of generic presses and in particular to an optimizing interpretation of
- Fig. 1 shows the simplified representation of the press 1 with sub-drive
- Fig. 2 details of the drawbar connection 2.4.1 with the convex
- Fig. 1 shows a press 1 with sub-drive, arranged in a substructure 3
- a stroke h between a non-designated top dead center and a non-designated bottom dead center exporting plunger 1.1 has a tool shell 1.2.
- Two pairs of drawbars 2.3 and Buchpleuel 2.5 as components of a drive train 2.6 engage the plunger 1.1 each in the region of a tensile / pressure point 2.4 for transmitting the drive for the stroke h of the plunger 1.1.
- the plunger 1.1 with the upper tool part 1.2 corresponds to one on the substructure.
- Tool lower part 3.2 lying workpiece 5 acts for shaping.
- Tool lower part 3.2 is arranged on a belonging to the base 3 table 3.1.
- a control and regulating device 4 is provided, the function of which may already be designed according to the system described in the patent application PCT / DE2011 / 075197.
- About the tie rods 3 and Werpleuel 2.5 are differentiated acting on the workpiece 5 to be formed between the tool upper part 1.2 and workpiece 5 forces acting so that the press 1 permanently after a force required exclusively for the workpiece 5 force system, but still without the invention disclosed use of a train 2.4.1, can be operated.
- the press 1 operating according to that system takes into account control processes which, on the one hand, can be used for the new inventive approach according to the features disclosed in the claims and, on the other hand, go beyond their effectiveness.
- Design system of the press 1 is in the interaction of the forming forces involved, a rotation angle and a spring constant or at least one of these dimensions of at least one machine element of the press 1 in relation to their structural rigidity or an eccentric element of the drive device 2 encounters direction
- a second means 4.2 before the data for this desired position of the plunger 1.1, whereby, for example, after hitting the upper tool 1.2 on the lower tool part 3.2, a resulting unequal movement of the two drive strands 2.6 is continued , The upper tool part 1.2 and the lower tool part 3.2 are now closed in parallel, with the unequal Further movement on the spring stiffness of the press 1 asymmetric as unequal acting forces are generated selectively.
- third means 4.3 provide for the acquisition of force flow data via a force receiving element 2.4.4.
- the provided for the operation of the press 1 control and regulating device 4 processes the data of the first, second and third means 4.1, 4.2, 4.3 to protect the mechanical structure of the press and the balance of asymmetric pressing forces and are the
- the data obtained from the respective forming force are then used as a guide, and the position of the tappet 1.1 is guided in such a way that a desired force curve is established.
- the balance of the construction of the press 1 gentle balance is optimized or completed.
- Force-absorbing elements 2.4.4 such as strain gauges or piezoelectric elements or equivalent means are used, which are selectable in the usual professional manner.
- the training of the first, second and third means 4.1, 4.2, 4.3 is subject to the skill of the art and must not be detailed here.
- the principle of the invention is equally applicable to a press not discussed here with top drive, in which the power flow from an overhead drive device via a plunger with a tool shell to a lower tool part via a
- the plunger and supports the efficiency of forces acting for energy-saving operation of each generic press.
- 2.3 tension element, drawbar, traction spindle (lower drive), pressure element, spindle,
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Presses (AREA)
- Press Drives And Press Lines (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012100325.4A DE102012100325C5 (de) | 2012-01-16 | 2012-01-16 | Verwendung von Daten des Kraftflusses in einer Presse für den Betrieb eines Stößels |
PCT/DE2013/100008 WO2013107444A1 (de) | 2012-01-16 | 2013-01-15 | Verwendung von daten des kraftflusses in einer presse für den betrieb eines stössels |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2804751A1 true EP2804751A1 (de) | 2014-11-26 |
EP2804751B1 EP2804751B1 (de) | 2019-02-27 |
Family
ID=47882102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13709147.6A Active EP2804751B1 (de) | 2012-01-16 | 2013-01-15 | Verwendung von daten des kraftflusses in einer presse für den betrieb eines stössels |
Country Status (10)
Country | Link |
---|---|
US (1) | US10464275B2 (de) |
EP (1) | EP2804751B1 (de) |
KR (1) | KR102037544B1 (de) |
CN (1) | CN104136208B (de) |
BR (1) | BR112014017480B1 (de) |
CA (1) | CA2861447C (de) |
DE (1) | DE102012100325C5 (de) |
ES (1) | ES2722249T3 (de) |
MX (1) | MX367462B (de) |
WO (1) | WO2013107444A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016106286B4 (de) * | 2016-04-06 | 2023-03-02 | Schuler Pressen Gmbh | Verfahren und Vorrichtung zur Steuerung und Regelung der Stößelbewegung und der Stößelkräfte an Mehrpunkt-Servo-Hybrid-Pressen |
CN106608073A (zh) * | 2016-12-21 | 2017-05-03 | 苏州蓝王机床工具科技有限公司 | 分体式刚性保险器 |
CN112828122A (zh) * | 2019-11-25 | 2021-05-25 | 株式会社迅宝 | 冲切装置 |
US11592499B2 (en) | 2019-12-10 | 2023-02-28 | Barnes Group Inc. | Wireless sensor with beacon technology |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT215257B (de) * | 1959-02-06 | 1961-05-25 | Georg Achtermann | Presse mit Unterantrieb |
US3407913A (en) * | 1965-08-26 | 1968-10-29 | Aida Iron Works & Co Ltd | Safety device in press machine and control device therefor |
FR2655907B1 (fr) * | 1989-12-19 | 1993-07-30 | Plazenet Jean | Presse plieuse hydraulique a tablier inferieur mobile. |
DE4118569A1 (de) * | 1991-06-06 | 1992-12-10 | Univ Dresden Tech | Hydraulischer druckpunkt |
JP3231536B2 (ja) | 1993-02-25 | 2001-11-26 | トヨタ自動車株式会社 | プレス機械の異常診断方法 |
JP3690534B2 (ja) * | 1995-10-25 | 2005-08-31 | 株式会社小松製作所 | 高速液圧プレス |
DE19642587A1 (de) * | 1996-10-15 | 1998-04-16 | Ulrich Keller | Mehrpunktpresse mit hydraulischen Druckkissen und invers einstellbaren Federsteifen der Druckpunkte zur Kompensation der Stößelschrägstellung |
TW553063U (en) * | 1999-08-03 | 2003-09-11 | Kosmek Kk | Device for obtaining calibration data of mechanical press, and load display device for mechanical press |
JP3689010B2 (ja) * | 2001-03-15 | 2005-08-31 | 株式会社放電精密加工研究所 | プレス機 |
KR100559432B1 (ko) * | 2004-01-08 | 2006-03-10 | 현대자동차주식회사 | 메커니컬 프레스 장치 |
DE102004009256B4 (de) * | 2004-02-26 | 2008-04-03 | Schuler Pressen Gmbh & Co. Kg | Mechanische Mehrservopresse |
DE102005040263A1 (de) * | 2005-08-24 | 2007-03-01 | Müller Weingarten AG | Verfahren und Vorrichtung zur Steuerung und Regelung der Stößelbewegung an servo-elektrischen Pressen |
DE102006056520A1 (de) * | 2006-11-30 | 2008-06-05 | Schuler Pressen Gmbh & Co. Kg | Presse mit Kurvenkorrektur |
DE102006059796A1 (de) * | 2006-12-15 | 2008-06-19 | Müller Weingarten AG | Verfahren und Vorrichtung zur Steuerung und Regelung von Stößellageabweichungen an servo-elektrischen Pressen |
EP2008799A1 (de) | 2007-06-28 | 2008-12-31 | Bruderer Ag | Stanzpresse |
DE102009057409B4 (de) * | 2009-12-08 | 2013-02-28 | Schuler Pressen Gmbh & Co. Kg | Stößelantrieb mit Belastungsprofilanpasssung |
DE102011052860A1 (de) * | 2010-08-24 | 2012-03-01 | Schuler Pressen Gmbh | Verfahren zum Betreiben einer Presse mit Unterantrieb und danach betriebene Presse |
-
2012
- 2012-01-16 DE DE102012100325.4A patent/DE102012100325C5/de not_active Expired - Fee Related
-
2013
- 2013-01-15 ES ES13709147T patent/ES2722249T3/es active Active
- 2013-01-15 EP EP13709147.6A patent/EP2804751B1/de active Active
- 2013-01-15 CN CN201380010062.4A patent/CN104136208B/zh active Active
- 2013-01-15 BR BR112014017480-6A patent/BR112014017480B1/pt active IP Right Grant
- 2013-01-15 KR KR1020147022761A patent/KR102037544B1/ko active IP Right Grant
- 2013-01-15 CA CA2861447A patent/CA2861447C/en active Active
- 2013-01-15 MX MX2014008528A patent/MX367462B/es active IP Right Grant
- 2013-01-15 US US14/372,217 patent/US10464275B2/en active Active
- 2013-01-15 WO PCT/DE2013/100008 patent/WO2013107444A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2013107444A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2013107444A1 (de) | 2013-07-25 |
KR20140125380A (ko) | 2014-10-28 |
CA2861447A1 (en) | 2013-07-25 |
MX2014008528A (es) | 2014-08-27 |
DE102012100325A1 (de) | 2013-07-18 |
EP2804751B1 (de) | 2019-02-27 |
BR112014017480A2 (pt) | 2017-06-13 |
BR112014017480B1 (pt) | 2022-01-04 |
DE102012100325C5 (de) | 2019-06-19 |
BR112014017480A8 (pt) | 2017-07-04 |
US20150047517A1 (en) | 2015-02-19 |
ES2722249T3 (es) | 2019-08-08 |
MX367462B (es) | 2019-08-21 |
CN104136208B (zh) | 2016-08-24 |
CN104136208A (zh) | 2014-11-05 |
DE102012100325B4 (de) | 2014-09-04 |
US10464275B2 (en) | 2019-11-05 |
KR102037544B1 (ko) | 2019-10-28 |
CA2861447C (en) | 2020-03-24 |
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