EP1093869B1 - Device for bending and/or punching and/or upsetting wire or strip - Google Patents
Device for bending and/or punching and/or upsetting wire or strip Download PDFInfo
- Publication number
- EP1093869B1 EP1093869B1 EP00116924A EP00116924A EP1093869B1 EP 1093869 B1 EP1093869 B1 EP 1093869B1 EP 00116924 A EP00116924 A EP 00116924A EP 00116924 A EP00116924 A EP 00116924A EP 1093869 B1 EP1093869 B1 EP 1093869B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bending
- hydraulic
- transmitter
- electric motor
- drive
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F99/00—Subject matter not provided for in other groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F5/00—Upsetting wire or pressing operations affecting the wire cross-section
Definitions
- the invention relates to a device for bending and / or punching and / or upsetting of wire or strip-like sheet metal parts, in the on a machine table led several over hydraulic-mechanical Encoder driven and electronically controlled tools arranged are.
- For each individual units are provided, which essentially from a control shaft, from a cam mechanism, from one a reservoir containing a fluid reservoir, from a hydraulic master cylinder, from a pressure-limited overflow generated by the master cylinder Pressure valve, from a hydraulic working line, from a hydraulic Slave cylinder and consist of a tool slide.
- These Building units are to be used in one of the number of used Tools corresponding number may be present. This is every piston a transmitter via its own drive and an intermediate one Gearbox movable.
- the object of the invention is in such electronically controlled Devices of the generic type, ie in devices without central hydraulic fluid supply, the working accuracy of hydraulically operating, translating drive system and its increase mechanical control with additional possibility of increase in work speed.
- the invention task is solved by a device with the features of the claim 1.
- each one's own Electric motor and the intermediate circuit of a transmission consisting of a spindle drive and arranged on it in the manner of a scissors jack Scherengelenkgetriebes is achieved that due to the so associated low quantities of oil required high working speeds the tools can be achieved, with an exact mechanical power coupling ensured by the special gear is.
- Units of hydraulic encoder, the spindle drive, the scissor linkage and an electric motor according to 3 make it possible Devices of the generic in each case the corresponding needs to adapt relatively quickly.
- the hydraulic encoder is through the guided on a machine table bending slide 2 with the Tool 7 is actuated, designated by the numeral 1.
- This encoder 1 via the hydraulic line 6 with the bending slide 2 is connected, has inside the piston 11, the piston rod 12 is coupled via a gear 4/5 with an electric motor 3.
- the downforce this preferably designed as a stepper motor electric motor 3rd is connected to a ball screw drive 4, on the torque-locking the guide blocks 51 and 54 of the total designated by the numeral 5 Scherengelenkgetriebes are placed.
- This scissors linkage 5 works like a scissor lifter.
- the four handlebars 55, 56, 57 and 58 hingedly connected to the elements 51 and 52 and the two other coupling elements 53 and 54, wherein the element 54 is connected to the piston rod 12.
- the coupling element 53 is fixed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Press Drives And Press Lines (AREA)
- Transmission Devices (AREA)
- Manipulator (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zum Biegen und/oder Stanzen und/oder Stauchen von Draht- oder streifenartigen Blechteilen, bei der an einem Maschinentisch geführt mehrere über hydraulische-mechanische Geber angetriebene und elektronisch gesteuerte Werkzeuge angeordnet sind.The invention relates to a device for bending and / or punching and / or upsetting of wire or strip-like sheet metal parts, in the on a machine table led several over hydraulic-mechanical Encoder driven and electronically controlled tools arranged are.
Insbesondere bei derartigen Biegevorrichtungen ist es bekannt, auf einem horizontal oder vertikal angeordneten Arbeitstisch mehrere nacheinander oder parallel arbeitende Werkzeuge auf Schlitten anzuordnen, die entsprechend eingebrachte Drahtteile an mehreren Stellen gesteuert verbiegen sowohl in verschiedenen Ebenen als auch unter verschiedenen Winkeln. Zur Verbiegung von durchmesserstarken Drahtteilen, insbesondere dann, wenn lange Biegewege vorgesehen sind, ist es bekannt, eine hydraulische Pumpeneinheit vorzusehen, über die die Ölversorgung zu den den einzelnen Werkzeugen zugeordneten Gebern erfolgt. Diese Geber sind Hydraulikzylinder, in die das von der Zentraleinheit gesteuert geführte Öl hineingedrückt bzw. aus denen das Öl wieder abgeleitet wird. Es ist dabei bekannt, die Steuerung der einzelnen Geber und damit der Werkzeuge elektronisch zu steuern in der Art einer sogenannten CNC-Steuerung. Bei solchen Vorrichtungen mit einer Vielzahl von Biegewerkzeugen mit unterschiedlichen Biegewegen ist es erforderlich, eine leistungsstarke Zentraleinheit, also eine leistungsstarke Hydraulikpumpe vorzusehen, über die entsprechend der Zahl der Werkzeuge und deren Zuleitungen relativ große Hydraulikölmengen umgepumpt werden müssen. Eine solche Hydraulikversorgung ist sehr aufwendig und beeinflußt in starkem Maße die Arbeitsgeschwindigkeit. In particular, in such bending devices, it is known on a horizontally or vertically arranged work table several consecutive or parallel working tools to slide to arrange the corresponding bending introduced wire parts in several places both in different planes and at different angles. For bending of high-diameter wire parts, in particular then, if long bending paths are provided, it is known to be a hydraulic Provide pump unit through which the oil supply to the the donors assigned to the individual tools takes place. These donors are hydraulic cylinders, in which the controlled by the central unit guided Pressed oil or from which the oil is discharged again. It is known, the control of the individual donors and thus the tools electronically controlled in the manner of a so-called CNC control. In such devices with a variety of bending tools with different bending paths it is necessary to have a powerful Central unit, so a powerful hydraulic pump on the number of tools and their number Supply lines relatively large amounts of hydraulic oil must be pumped. Such a hydraulic supply is very expensive and influenced in strong working speed.
Aus der DE-A-2 720 398 ist eine Vorrichtung zum Biegen von Drahtteilen bekannt, bei der an einem Maschinentisch geführt mehrere Werkzeuge verschiebbar sind. Diese sogenannte Biegeschlitten sind gesteuert antreibbar. Dafür sind jeweils einzelne Baueinheiten vorgesehen, die im wesentlichen aus einer Steuerwelle, aus einem Kurvengetriebe, aus einem einen Fluidvorrat enthaltenen Behälter, aus einem hydraulischen Geberzylinder, aus einem den Geberrylinder erzeugten druckbegrenzten Über druckventil, aus einer hydraulischen Arbeitsleitung, aus einem hydraulischen Nehmerzylinder und aus einem Werkzeugschlitten bestehen. Diese Baueinheiten sollen dabei in einer der Zahl der zum Einsatz kommenden Werkzeuge entsprechenden Anzahl vorhanden sein. Damit ist jeder Kolben eines Gebers über einen eigenen Antrieb und ein zwischengeschaltetes Getriebe verfahrbar.From DE-A-2 720 398 there is a device for bending wire parts known in which guided on a machine table several tools are displaceable. These so-called bending slides are driven drivable. For each individual units are provided, which essentially from a control shaft, from a cam mechanism, from one a reservoir containing a fluid reservoir, from a hydraulic master cylinder, from a pressure-limited overflow generated by the master cylinder Pressure valve, from a hydraulic working line, from a hydraulic Slave cylinder and consist of a tool slide. These Building units are to be used in one of the number of used Tools corresponding number may be present. This is every piston a transmitter via its own drive and an intermediate one Gearbox movable.
Als nachteilig erweist sich bei einer solchen bekannten Vorrichtung die relativ hohe Ungenauigkeit der Nockenscheibensteuerung, die sich infolge der Hydraulikübersetzung stark auf die Genauigkeit der Bearbeitungsschritte der Werkzeuge auswirken kann.A disadvantage proves in such a known device the relatively high inaccuracy of the cam control, resulting as a result the hydraulic transmission heavily on the accuracy of the processing steps can affect the tools.
Die Aufgabe der Erfindung besteht darin, bei solchen elektronisch gesteuerten Vorrichtungen der gattungsgemäßen Art, also bei Vorrichtungen ohne zentrale Hydraulikflüssigkeitsversorgung, die Arbeitsgenauigkeit des hydraulisch arbeitenden, übersetzenden Antriebssystemes und dessen mechanische Steuerung zu erhöhen bei zusätzlicher Möglichkeit der höhung der Arbeitsgeschwindigkeit. The object of the invention is in such electronically controlled Devices of the generic type, ie in devices without central hydraulic fluid supply, the working accuracy of hydraulically operating, translating drive system and its increase mechanical control with additional possibility of increase in work speed.
Gelöst wird die Erfindungsaufgabe durch eine Vorrichtung mit den Merkmalen des Anspruchs 1. Durch die Zuordnung jeweils eines eigenen Elektromotors und die Zwischenschaltung eines Getriebes, bestehend aus einem Spindeltrieb und einem darauf in der Art eines Scherenhebers angeordneten Scherengelenkgetriebes wird erreicht, dass aufgrund der damit verbundenen geringen notwendingen Ölmengen hohe Arbeitsgeschwindigkeiten der Werkzeuge erreicht werden können, wobei eine exakte mechanische Kraftkopplung durch das spezielle Getriebe gewährleistet ist.The invention task is solved by a device with the features of the claim 1. By assigning each one's own Electric motor and the intermediate circuit of a transmission consisting of a spindle drive and arranged on it in the manner of a scissors jack Scherengelenkgetriebes is achieved that due to the so associated low quantities of oil required high working speeds the tools can be achieved, with an exact mechanical power coupling ensured by the special gear is.
Es erweist sich als vorteilhaft, als Elektromotoren relativ kleinbauende
Schrittmotoren gemäß Anspruch 2 einzusetzen.It proves to be advantageous as a relatively small-sized electric motors
To use stepper motors according to
Einheiten aus hydraulischem Geber, dem Spindeltrieb, dem Scherengelenkgetriebe und einem Elektromotor entsprechend 3 machen es möglich, Vorrichtungen der gattungsgemäßen jeweils den entsprechenden Bedürfnissen relativ rasch anzupassen. Units of hydraulic encoder, the spindle drive, the scissor linkage and an electric motor according to 3 make it possible Devices of the generic in each case the corresponding needs to adapt relatively quickly.
Anhand eines prinzipiell abgebildeten Ausführungsbeispieles einer Antriebseinheit für den Geber eines Werkzeuges wird die Erfindung im folgenden näher erläutert. Es zeigen:
- Fig. 1:
- die Ansicht einer solchen Anordnung in der Ausgangsstellung eines Werkzeuges
- Fig. 2:
- die gleiche Darstellung der Anordnung nach Beendigung des Bearbeitungsvorganges.
- Fig. 1:
- the view of such an arrangement in the starting position of a tool
- Fig. 2:
- the same representation of the arrangement after completion of the machining process.
In den zeichnerischen Darstellungen ist der hydraulische Geber, durch
den der an einem Maschinentisch geführten Biegeschlitten 2 mit dem
Werkzeug 7 betätigt wird, mit der Ziffer 1 bezeichnet. In the drawings, the hydraulic encoder is through
the guided on a machine
Dieser Geber 1, der über die Hydraulikleitung 6 mit dem Biegeschlitten 2
verbunden ist, weist im Inneren den Kolben 11 auf, dessen Kolbenstange
12 über ein Getriebe 4/5 mit einem Elektromotor 3 gekoppelt ist. Der Abtrieb
dieses vorzugsweise als Schrittmotor ausgelegten Elektromotores 3
ist mit einem Kugelspindeltrieb 4 verbunden, auf dem momentenschlüssig
die Führungsblöcke 51 und 54 des insgesamt mit der Ziffer 5 bezeichneten
Scherengelenkgetriebes aufgesetzt sind. Dieses Scherengelenkgetriebe
5 arbeitet in der Art eines Scherenhebers. Dabei sind die vier Lenker
55, 56, 57 und 58 gelenkig verbunden mit den Elementen 51 und 52
und den beiden anderen Kopplungselementen 53 und 54, wobei das Element
54 mit der Kolbenstange 12 verbunden ist. Das Kopplungselement
53 ist dabei festgesetzt.This encoder 1, via the
Die Ausgangsstellung einer solchen Anordnung, die als Baueinheit in einem
Gestell zusammengefaßt ausgebildet sein kann, ist in Figur 1 dargestellt.
In dieser Stellung befindet sich der Biegeschlitten 2 am Arbeitstisch
in der Ausgangsposition für einen Biegevorgang.The starting position of such an arrangement, which is a structural unit in a
Frame can be formed summarized, is shown in Figure 1.
In this position, the
Nach gesteuerter Einschaltung des Elektromotors 3 wird über den Spindeltrieb
4 und das Scherengelenkgetriebe 5 der Kolben 11 in dem hydraulischen
Geber 1 verschoben und damit der Biegeschlitten 2 mit seinem
Werkzeug 7 verfahren zur Biegung eines entsprechend in der Vorrichtung
eingelegten Teiles.After controlled activation of the electric motor 3 is via the spindle drive
4 and the
Claims (3)
- Device for bending and/or punching and/or swaging wire parts or strip metal parts, in which a plurality of tools (7) are displaceable, guided on a machine table, said tools being driven in a controlled manner via a hydraulically translating drive system comprising a hydraulic transmitter (1) and a hydraulic cylinder connected therewith via its own closed hydraulic fluid system (6), the piston (11) of the transmitter (1) being displaceable via a drive (3, 5) and an interposed mechanism (4, 5), characterised in that each piston (11) of a transmitter (1) may be moved via its own electric motor (3) as the drive and an interposed mechanism (4, 5), which comprises a spindle drive (4) driven by the electric motor (3) and a scissors-type linkage (5), arranged on the spindle drive (4) in the manner of a scissors-type jack and with which the piston (11) of the transmitter (1) is coupled.
- Device according to claim 1, characterised in that the electric motor is a stepping motor (3).
- Device according to claim 1, characterised in that the hydraulic transmitter (1), the spindle drive (4), the scissors-type linkage (5) and the electric motor (3) are respectively configured as a constructional unit included in a frame.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19950297A DE19950297C1 (en) | 1999-10-19 | 1999-10-19 | Device for bending and / or punching and / or upsetting wire or strip-like sheet metal parts |
DE19950297 | 1999-10-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1093869A2 EP1093869A2 (en) | 2001-04-25 |
EP1093869A3 EP1093869A3 (en) | 2002-07-24 |
EP1093869B1 true EP1093869B1 (en) | 2005-01-19 |
Family
ID=7926138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00116924A Expired - Lifetime EP1093869B1 (en) | 1999-10-19 | 2000-08-05 | Device for bending and/or punching and/or upsetting wire or strip |
Country Status (4)
Country | Link |
---|---|
US (1) | US6378353B1 (en) |
EP (1) | EP1093869B1 (en) |
DE (1) | DE19950297C1 (en) |
ES (1) | ES2233249T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022114732A1 (en) | 2022-06-10 | 2023-12-21 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Deflection device |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103128185B (en) * | 2011-11-25 | 2015-03-11 | 鸿富锦精密工业(深圳)有限公司 | Carrying device and stamping device adopting the same |
CN102847851A (en) * | 2012-09-29 | 2013-01-02 | 无锡威华电焊机制造有限公司 | Synchronous feeding and bending device of reinforced-bar truss web-member bar |
CA2984244A1 (en) * | 2016-11-01 | 2018-05-01 | Trinity North American Freight Car, Inc. | Autorack deck adjustments |
CN106513537B (en) * | 2017-01-23 | 2017-08-29 | 江苏宏威重工机床制造有限公司 | A kind of hydraulic cold bending apparatus |
CN107008827A (en) * | 2017-01-23 | 2017-08-04 | 沈春慧 | A kind of labour-saving power cable bending device |
KR101729484B1 (en) * | 2017-01-24 | 2017-04-24 | 주식회사 탑시스템 | A position control apparatus for a television receiver |
CN108160863A (en) * | 2018-01-23 | 2018-06-15 | 国网甘肃省电力公司经济技术研究院 | A kind of foot-operated oil pressure ground rebar bending machine |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3686922A (en) * | 1970-10-23 | 1972-08-29 | Erich Bley | Combination manual and hydraulic arbor press |
DE2149068A1 (en) * | 1971-10-01 | 1973-04-19 | Hack Hilda | WIRE BENDING MACHINE WITH A HYDRAULIC PRESSURE SYSTEM |
DE2720398A1 (en) * | 1977-05-06 | 1978-11-09 | Wafios Maschinen Wagner | Hydraulically actuated wire bending machine - has rotating cam actuating master cylinder which drives slave cylinder to oscillate wire bending slide |
US4347727A (en) * | 1980-07-28 | 1982-09-07 | Galiger Barry J | Programmable upward-stroke insert mechanism for bending brakes and method of use |
JPS60177925A (en) * | 1984-02-21 | 1985-09-11 | Sumitomo Heavy Ind Ltd | Power generator for driving double-acting press |
DE3537085A1 (en) * | 1985-10-18 | 1987-04-23 | Meyer Roth Pastor Maschf | WORKING MACHINE WITH UNEQUALLY DRIVEN TOOLS, ESPECIALLY MACHINE FOR PRODUCING MOLDED PARTS FROM WIRE OR TAPE MATERIAL |
GB8805577D0 (en) * | 1988-03-09 | 1988-04-07 | Wyko Equip | Hydraulic press |
US4959989A (en) * | 1988-06-09 | 1990-10-02 | Reo Hydraulic Pierce & Form | Force multiplying press |
SE8803688D0 (en) * | 1988-10-17 | 1988-10-17 | C A Weidmueller Gmbh & Co | CRAFTS TOOL WITH ELECTRIC OPERATION |
SE506454C2 (en) * | 1988-12-29 | 1997-12-15 | Amada Co Ltd | Bending machine for bending sheet-shaped workpieces |
US5195354A (en) * | 1989-03-31 | 1993-03-23 | Japan Storage Battery Co., Ltd. | Cam crank mechanism and motor driven hydraulic tool |
-
1999
- 1999-10-19 DE DE19950297A patent/DE19950297C1/en not_active Expired - Fee Related
-
2000
- 2000-08-05 ES ES00116924T patent/ES2233249T3/en not_active Expired - Lifetime
- 2000-08-05 EP EP00116924A patent/EP1093869B1/en not_active Expired - Lifetime
- 2000-10-19 US US09/692,496 patent/US6378353B1/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022114732A1 (en) | 2022-06-10 | 2023-12-21 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Deflection device |
DE102022114732B4 (en) | 2022-06-10 | 2024-03-07 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Deflection device |
Also Published As
Publication number | Publication date |
---|---|
EP1093869A3 (en) | 2002-07-24 |
ES2233249T3 (en) | 2005-06-16 |
DE19950297C1 (en) | 2001-05-17 |
EP1093869A2 (en) | 2001-04-25 |
US6378353B1 (en) | 2002-04-30 |
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