EP1093869A2 - 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 PDF

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Publication number
EP1093869A2
EP1093869A2 EP00116924A EP00116924A EP1093869A2 EP 1093869 A2 EP1093869 A2 EP 1093869A2 EP 00116924 A EP00116924 A EP 00116924A EP 00116924 A EP00116924 A EP 00116924A EP 1093869 A2 EP1093869 A2 EP 1093869A2
Authority
EP
European Patent Office
Prior art keywords
hydraulic
bending
piston
electric motor
spindle 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.)
Granted
Application number
EP00116924A
Other languages
German (de)
French (fr)
Other versions
EP1093869B1 (en
EP1093869A3 (en
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.)
W Lottgers & Co KG GmbH
Original Assignee
W Lottgers & Co KG GmbH
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Filing date
Publication date
Application filed by W Lottgers & Co KG GmbH filed Critical W Lottgers & Co KG GmbH
Publication of EP1093869A2 publication Critical patent/EP1093869A2/en
Publication of EP1093869A3 publication Critical patent/EP1093869A3/en
Application granted granted Critical
Publication of EP1093869B1 publication Critical patent/EP1093869B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 wire or strip-like sheet metal parts, at the one machine table guided several hydraulic-mechanical Encoder driven and electronically controlled tools arranged are.
  • the object of the invention is to determine the working speed Device of the type mentioned to increase and the ability to set up to improve such a device and make it more flexible.
  • Preferred embodiments of a device according to the invention are specified with the subclaims. It turns out to be special advantageous to be able to use small electric motors with relatively high ones to achieve hydraulic pressures corresponding to a power transmission to provide the features of claim 3 with said Transmission.
  • the unit consisting of a hydraulic encoder, spindle drive and scissor-type linkage and electric motor according to claim 4 makes it possible to use devices this kind of the respective needs relatively quickly adapt.
  • the hydraulic encoder is through that of the bending slide 2 guided on a machine table with the Tool 7 is operated, designated by the number 1.
  • This encoder 1 which is connected to the bending slide 2 via the hydraulic line 6 is connected, has inside the piston 11, the piston rod 12 is coupled to an electric motor 3 via a gear 4/5.
  • the downforce this electric motor 3, which is preferably designed as a stepper motor is connected to a ball screw drive 4, on the momentary the guide blocks 51 and 54 of the total designated 5 Scissor-type linkage are attached.
  • This scissor joint gear 5 works in the manner of a scissor lift.
  • 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)

Abstract

The device has a machine table and electronically controlled tools with hydraulic-mechanical drives. Each drive (1) is a hydraulic cylinder, and for pressure charging, it has an electric motor (3) with transmission (4,5), which acts on the piston (11) associated with the cylinder. The motor is a stepping motor and there is a spindle drive (4) for power transmission from piston to cylinder. All components are part of a module located in a frame.

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 wire or strip-like sheet metal parts, at the one machine table guided several 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 with such bending devices, it is known to use a horizontally or vertically arranged work table several in succession or to arrange tools working in parallel on slides, the corresponding Bend the inserted wire parts in several places in a controlled manner both in different planes and at different angles. For bending wire parts of large diameter, in particular when long bending paths are provided, it is known to be a hydraulic one To provide a pump unit through which the oil supply to the sensors assigned to the individual tools. These donors are hydraulic cylinders into which the control unit is guided Oil pressed in or from which the oil is drained off again. It is known, the control of the individual encoder and thus the tools to be controlled electronically 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 one Central unit, i.e. a powerful hydraulic pump to provide about the according to the number of tools and their Supply lines have to be pumped relatively large amounts of hydraulic oil. Such a hydraulic supply is very complex and affects in greatly the speed of work.

Die Aufgabe der Erfindung besteht darin, die Arbeitsgeschwindigkeit einer Vorrichtung der eingangs genannten Art zu erhöhen und die Einrichtbarkeit einer solchen Vorrichtung zu verbessern und flexibler zu gestalten. The object of the invention is to determine the working speed Device of the type mentioned to increase and the ability to set up to improve such a device and make it more flexible.

Gelöst wird die Erfindungsaufgabe durch eine Vorrichtung mit den Merkmalen des Anspruchs 1.The task of the invention is solved by a device with the features of claim 1.

Durch die Zuordnung jeweils eines eigenen Elektroantriebes zu jedem Werkzeug wird zum einen erreicht, daß lediglich kleine Antriebseinheiten zu verwenden sind und andererseits, daß aufgrund der damit verbundenen geringen Ölmengen hohe Arbeitsgeschwindigkeiten der Werkzeuge erreicht werden können. Über unterschiedliche Flächenverhältnisse können unterschiedliche Kräfte erzeugt werden.By assigning a separate electric drive to each Tool is achieved on the one hand that only small drive units are to be used and on the other hand that due to the associated low oil quantities high tool working speeds can be achieved. Can use different surface ratios different forces are generated.

Bevorzugte Ausführungsarten einer erfindungsgemäßen Vorrichtung werden mit den Unteransprüchen angegeben. Es erweist sich als besonders vorteilhaft um kleine Elektromotoren verwenden zu können bei relativ hohen zu erreichenden Hydraulikdrücken eine Kraftübertragung entsprechend den Merkmalen des Anspruchs 3 vorzusehen mit dem genannten Getriebe.Preferred embodiments of a device according to the invention are specified with the subclaims. It turns out to be special advantageous to be able to use small electric motors with relatively high ones to achieve hydraulic pressures corresponding to a power transmission to provide the features of claim 3 with said Transmission.

Die Einheit aus hydraulischen Geber, Spindeltrieb, Scherengelenkgetriebe und Elektromotor entsprechend Anspruch 4 macht es möglich, Vorrichtungen dieser Art jeweils den entsprechenden Bedürfnissen relativ rasch anzupassen.The unit consisting of a hydraulic encoder, spindle drive and scissor-type linkage and electric motor according to claim 4 makes it possible to use devices this kind of the respective needs relatively quickly adapt.

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
und
Fig. 2:
die gleiche Darstellung der Anordnung nach Beendigung des Bearbeitungsvorganges.
The invention is explained in more detail below on the basis of an exemplary embodiment of a drive unit for the transmitter of a tool. Show it:
Fig. 1:
the view of such an arrangement in the starting position of a tool
and
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 graphic representations, the hydraulic encoder is through that of the bending slide 2 guided on a machine table with the Tool 7 is operated, designated by the number 1.

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, which is connected to the bending slide 2 via the hydraulic line 6 is connected, has inside the piston 11, the piston rod 12 is coupled to an electric motor 3 via a gear 4/5. The downforce this electric motor 3, which is preferably designed as a stepper motor is connected to a ball screw drive 4, on the momentary the guide blocks 51 and 54 of the total designated 5 Scissor-type linkage are attached. This scissor joint gear 5 works in the manner of a scissor lift. Here are the four handlebars 55, 56, 57 and 58 hingedly connected to elements 51 and 52 and the other two coupling elements 53 and 54, the element 54 is connected to the piston rod 12. The coupling element 53 is fixed.

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 as a unit in one Frame can be formed together is shown in Figure 1. In this position, the bending slide 2 is on the work table in the starting position for a bending process.

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, the spindle drive 4 and the scissors-type linkage 5 of the pistons 11 in the hydraulic Encoder 1 moved and thus the bending slide 2 with his Tool 7 move to bend a correspondingly in the device inserted part.

Claims (4)

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, dadurch gekennzeichnet, daß jedem Geber (1) zur hydraulischen Druckbeaufschlagung ein Elektromotor (3) mit einem zwischengeschalteten Getriebe (4, 5) zugeordnet ist, der auf den Kolben (11) des jeweiligen hydraulischen Gebers (1) wirkt.Device for bending and / or punching and / or upsetting wire or strip-like sheet metal parts, in which several machine-driven and electronically controlled tools are arranged on a machine table, characterized in that each transmitter (1) is for hydraulic pressurization an electric motor (3) with an intermediate gear (4, 5) is assigned, which acts on the piston (11) of the respective hydraulic transmitter (1). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Elektromotor ein Schrittmotor (3) ist und daß zur Kraftübertragung vom Motor (3) auf den Kolben (11) des hydraulischen Gebers (1) ein Spindeltrieb (4) vorgesehen ist.Apparatus according to claim 1, characterized in that the electric motor is a stepper motor (3) and that a spindle drive (4) is provided for the power transmission from the motor (3) to the piston (11) of the hydraulic transmitter (1). Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß auf dem Spindeltrieb (4) ein Scherengelenkgetriebe (5) in der Art eines Scherenhebers angeordnet ist, mit dem der Kolben (11) des hydraulischen Gebers (1) gekoppelt ist.Apparatus according to claim 2, characterized in that a scissor-type linkage (5) in the manner of a scissor lift is arranged on the spindle drive (4), with which the piston (11) of the hydraulic transmitter (1) is coupled. Vorrichtung nach einem oder mehreren der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß hydraulische Geber (1) Spindeltrieb (4), Scherengelenkgetriebe (5) und Elektromotor (3) jeweils als Baueinheit in einem Gestell zusammengefasst ausgebildet sind.Device according to one or more of the preceding claims, characterized in that the hydraulic transmitter (1), spindle drive (4), scissor-type linkage (5) and electric motor (3) are each combined as a unit in a frame.
EP00116924A 1999-10-19 2000-08-05 Device for bending and/or punching and/or upsetting wire or strip Expired - Lifetime EP1093869B1 (en)

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 true EP1093869A2 (en) 2001-04-25
EP1093869A3 EP1093869A3 (en) 2002-07-24
EP1093869B1 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106513537A (en) * 2017-01-23 2017-03-22 顾彩晓 Hydraulic steel bar bending device
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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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
MX2021014741A (en) * 2016-11-01 2022-01-18 Trinity North American Freight Car Inc Autorack deck adjustments.
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
DE102022114732B4 (en) 2022-06-10 2024-03-07 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Deflection device

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Publication number Priority date Publication date Assignee Title
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
JPS60177925A (en) * 1984-02-21 1985-09-11 Sumitomo Heavy Ind Ltd Power generator for driving double-acting press

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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
GB2262464B (en) * 1988-12-29 1993-09-08 Amada Co Ltd Sheet workpiece bending machine
US5195354A (en) * 1989-03-31 1993-03-23 Japan Storage Battery Co., Ltd. Cam crank mechanism and motor driven hydraulic tool

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
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
JPS60177925A (en) * 1984-02-21 1985-09-11 Sumitomo Heavy Ind Ltd Power generator for driving double-acting press

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 010, no. 018 (M-448), 24. Januar 1986 (1986-01-24) -& JP 60 177925 A (SUMITOMO JUKIKAI KOGYO KK), 11. September 1985 (1985-09-11) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106513537A (en) * 2017-01-23 2017-03-22 顾彩晓 Hydraulic steel bar bending device
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
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

Also Published As

Publication number Publication date
US6378353B1 (en) 2002-04-30
ES2233249T3 (en) 2005-06-16
EP1093869B1 (en) 2005-01-19
EP1093869A3 (en) 2002-07-24
DE19950297C1 (en) 2001-05-17

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