EP0843606B1 - Verfahren und vorrichtung zum herstellen von drahtgittermatten - Google Patents
Verfahren und vorrichtung zum herstellen von drahtgittermatten Download PDFInfo
- Publication number
- EP0843606B1 EP0843606B1 EP97925767A EP97925767A EP0843606B1 EP 0843606 B1 EP0843606 B1 EP 0843606B1 EP 97925767 A EP97925767 A EP 97925767A EP 97925767 A EP97925767 A EP 97925767A EP 0843606 B1 EP0843606 B1 EP 0843606B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wires
- wire
- transverse
- tensioning
- longitudinal
- 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
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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
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/08—Making wire network, i.e. wire nets with additional connecting elements or material at crossings
- B21F27/10—Making wire network, i.e. wire nets with additional connecting elements or material at crossings with soldered or welded crossings
Definitions
- the invention relates to a method for producing Wire mesh mats crossing at right angles to each other Crossing points welded longitudinal and cross wires, at which the line wires are fed in cycles and the cross wires in the direction transverse to the movement of the longitudinal wires in a welding line moved and welded to the longitudinal wires as well a device for performing the method (see e.g. AT-B-395 229).
- AT 395 229 is a welding machine for manufacturing known from wire mesh mats, which remedies this deficiency.
- the welding machine does not have any devices for treatment of the line and / or cross wires, which are due to their Production, pretreatment and / or their handling at the Feed into the welding line with a longitudinal twist or a Residual torsion may be affected.
- the object of the invention is a method and an apparatus to create that allow, taking advantage of the Advantage of cross wire tensioning on structurally simple and reliable way flat wire mesh mats made of longitudinal and To produce cross wires, the residual twist or residual torsion compensated is.
- the method according to the invention is characterized by this from that at least one of the cross wires after feeding clamped in the welding line with a predetermined adjustable size and that before welding with the longitudinal wires at least one end of this cross wire with a predetermined one adjustable angle is rotated about its longitudinal axis, whereupon the cross wire so tensioned and twisted at least at one end is welded to the longitudinal wires.
- the two ends of at least one cross wire by the same large, oppositely directed angles can be rotated. It but can also the ends of within a wire mesh mat successive cross wires by equally large angles, preferably in the same direction.
- the ends within a wire mesh mat of successive cross wires by different large angles, preferably twisted in the same direction be, the order of the amounts of the angle of rotation is selectable and wherein at least one cross wire is not twisted remains.
- a device intended to carry out the method with clamping jaws for gripping the cross wire ends and tensioning devices for tensioning the cross wire in the with electrodes equipped welding line of a mesh welding machine has the Features that on both sides of the longitudinal wire feed path Grid welding machine each arranged a twisting and tensioning device is that in each twisting and tensioning device for Clamping a cross wire end one upper clamping body and one lower clamping body can be moved vertically in a guide body and are arranged drivably, each clamping body one essentially horizontally displaceable tension slide has that for twisting a transverse wire end around its Longitudinal axis of the guide body with a bearing pin rotatable in a fixed bearing body and that every torsion and tensioning device can be controlled separately.
- a cross wire end is preferably used for tensioning its piston rod acting on the upper clamping body, on Guide body attached cylinder provided.
- the guide body a laterally projecting, parallel to the bearing journal extending pivot pin, with on opposite The piston rod on each side of the pivot pin of a working cylinder attacks.
- FIGS. 1 to 3 The device shown in FIGS. 1 to 3 is used for Manufacture of wire mesh mats from a family of parallel Longitudinal wires L and crossing them perpendicularly Cross wires Q exist. At the crossing points, the Cross wires Q with the longitudinal wires L using a multi-spot welding machine welded. From this multi-spot welding machine are schematic in Fig. 1 for the sake of clarity only one lower welding bar 1 and one on the welding bar 1 arranged electrode bank 2 with a row of sub-electrodes 3 shown.
- Each twisting and tensioning device 4, 5 has a bearing body 6, which on one with the lower Welding bar 1 vertical mounting bracket 7 firmly connected is fixed, the bearing body 6 along a vertical Guide groove 8 of the mounting bracket 7 is guided and elongated Adjustment slots 9 according to the diameters of the welding longitudinal and transverse wires is adjustable in height.
- Each twisting and tensioning device 4, 5 has a twisting plate 10 or 10 'on a laterally projecting Bearing pin 11 and bearings 12 are rotatable in the bearing body 6 is stored.
- the rotating plates 10, 10 'each have one pivot 13 running parallel to the bearing journal 11.
- a guide body 17 is fastened, which has a vertically extending guide groove 18.
- On the guide body 17 is an upper clamping body 19 along the guide groove 18 arranged vertically displaceable, while a lower Clamping body 20 firmly connected to the guide body 17 is.
- a clamping cylinder 21 fastened to the guide body 17 acts with its piston rod 22 on the upper clamping body 19.
- the upper clamping body 19 there is an upper clamping slide 23 on bearing rollers 24 at an angle of 15 ° to the horizontal Level slidably supported and with the help of a return spring 25 can be moved back into its starting position.
- the upper tension slide has a jaw 26 with an inserted clamping piece 27, which has a roughened surface, for example is provided with knurling or toothing around the cross wire to be able to record and clamp without slip.
- the lower clamping body 20 has an analogous to the upper Clamping slide 23 constructed lower clamping slide 28, that in the lower clamping body 20 at a negative angle of 15 ° to the horizontal plane is mounted and the same Clamping jaws 26 and clamping pieces 27 as the upper clamping slide 23 has.
- the jaws 26 of the upper and lower clamping slides 23 and 28 are each by an insulating piece 29 from the upper or lower clamping slide 23 or 28 electrically isolated.
- the torsion clamping devices 4, 5 can be moved against each other in the horizontal direction.
- Each twisting and tensioning device 4, 5 is with a separately controllable control device, not shown Mistake.
- the device according to the invention works in the following Way:
- the cross wire Q is from a feeder device, not shown the multi-spot welding machine in its predetermined
- the welding position is placed on the longitudinal wires L.
- the clamping cylinders 21 of the right and the left Twisting and tensioning device 4, 5 activated at the same time, so that the piston rods 22 move down and thereby the upper clamping body 19 in the downward facing Direction of the double arrow P1 along the guide groove 18 of the Move the guide body 17 down.
- the two tensioning slides 23, 28 each rotate and rotate Clamping device 4, 5 along its inclined to the horizontal plane Guideways within the corresponding clamping bodies 19, 20 to the outside, with the movements of the upper tension slide 23 an outward horizontal component P2 and the movements of the lower clamping slides 28 an opposite, also outward horizontal component P3 have.
- the ends of the cross wire moved outwards and thus the Cross wire tensioned.
- the tension force acting on the cross wire depends on the mechanical properties of the cross wire from and is set via the working pressure in the clamping cylinders 21, whereby this may only be chosen so large that the Cross wire stretched sufficiently taut without plastic deformation becomes.
- the working cylinder 15 of the left and clamping device 4 and the working cylinder 15 'of right turning and tensioning device 5 activated accordingly, so that the twisting plate 10 of the left twisting and tensioning device 4 and the twisting plate 10 'of the right twisting and Clamping device 5 perform opposite rotary movements, whereby the left cross wire end corresponds to a direction of the Double arrow P5 is rotated about its longitudinal axis while the opposite right transverse wire end in a direction of rotation P5 opposite rotation according to the double arrow P6 is twisted.
- the angle of rotation is adjustable and is, for example, in the range from 0 to 15 °.
- the upper electrodes of the welding machine are then after twisting the cross wire ends lowered into their welding position, with welding pressure and Welding current applied and the line and cross wires on their Crossing points welded together. After completion the upper electrodes move again during the welding process back to their starting position.
- the clamping cylinders 21 are then controlled so that their piston rods 22 in their Retract the starting position, whereby the upper clamping body 19th also move upwards and the lower clamping bodies 20 be relieved.
- the return springs 25 the upper and lower clamping slides 23, 28 in their starting position pushed back so that the jaws 26 open and the cross wire ends are released.
- the working cylinders 15, 15 'are then controlled such that their piston rods 16 turn the pivot pin 13 back to its starting position.
- the wire mesh mat is then made accordingly advanced so that in the next cycle of the welding machine a new cross wire fed, tensioned, twisted and on the longitudinal wires can be welded on.
- the rotary movements can also each in the other directions of rotation of the double arrows P5 and P6 by corresponding activation of the other working cylinders 15 ' or 15.
- the size of the rotary movements P5, P6 at the two transverse wire ends either the same size or different too choose.
- the ends one after the other following cross wires either with the same size or with different to twist large angles of rotation. They can do that Direction of rotation of the successive transverse wire ends either be the same or opposite.
- Cross wires with twisted and not twisted Endings follow each other in freely selectable number and order let, the order of the amounts of the angle of rotation is freely selectable.
- clamping and / or rotating movements can be done with hydraulic or electromotive drive means or via adjusting spindles respectively.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Description
Claims (11)
- Verfahren zum Herstellen von Drahtgittermatten aus einander rechtwinkelig kreuzenden, an den Kreuzungspunkten verschweißten Längs- (L) und Querdrähten (Q), bei welchem die Längsdrähte (L) taktweise vorgeschoben und die Querdrähte (Q) in Richtung quer zur Bewegung der Längsdrähte (L) in eine Schweißlinie bewegt und mit den Längsdrähten (L) verschweißt werden, dadurch gekennzeichnet, daß zumindest einer der Querdrähte (Q) nach dem Zuführen in die Schweißlinie mit vorbestimmter einstellbarer Größe gespannt wird und daß vor dem Verschweißen mit den Längsdrähten (L) zumindest ein Ende dieses Querdrahtes (Q) mit einem vorbestimmten einstellbaren Winkel um seine Längsachse verdreht wird, worauf der so gespannte und zumindest an einem Ende verdrehte Querdraht (Q) mit den Längsdrähten (L) verschweißt wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die beiden Enden zumindest eines Querdrahtes (Q) um gleich große, entgegengesetzt gerichtete Winkel verdreht werden.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die beiden Enden zumindest eines Querdrahtes (Q) um unterschiedlich große, entgegengesetzt gerichtete Winkel verdreht werden.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß innerhalb einer Drahtgittermatte die Enden aller aufeinanderfolgenden Querdrähte (Q) um gleich große Winkel, vorzugsweise in der gleichen Richtung, verdreht werden.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß innerhalb einer Drahtgittermatte die Enden von aufeinanderfolgenden Querdrähten (Q) um unterschiedlich große Winkel, vorzugsweise in der gleichen Richtung, verdreht werden, wobei die Aufeinanderfolge der Beträge der Drehwinkel wählbar ist und wobei zumindest ein Querdraht (Q) unverdreht bleibt.
- Vorrichtung zum Durchführen des Verfahrens nach einem der Ansprüche 1 bis 5, mit Klemmbacken (26) zum Erfassen der Querdrahtenden und Spanneinrichtungen (19;20) zum Spannen des Querdrahtes (Q) in der mit Elektroden (3) ausgestatteten Schweißlinie einer Gitterschweißmaschine, dadurch gekennzeichnet, daß zu beiden Seiten der Längsdrahtvorschubbahn der Gitterschweißmaschine je eine Verdreh- und Spanneinrichtung (4 bzw. 5) angeordnet ist, daß in jeder Verdreh- und Spanneinrichtung (4 bzw. 5) zum Spannen eines Querdrahtendes je ein oberer Spannkörper (19) und ein unterer Spannkörper (20) in einem Führungskörper (17) vertikal verschiebbar und antreibbar angeordnet sind, wobei jeder Spannkörper (19 bzw. 20) einen im wesentlichen horizontal verschiebbaren Spannschlitten (23 bzw. 28) aufweist, daß zum Verdrehen eines Querdrahtendes um seine Längsachse der Führungskörper (17) mit einem Lagerzapfen (11) drehbar in einem ortsfesten Lagerkörper (6) gelagert ist und daß jede Verdreh- und Spanneinrichtung (4 bzw. 5) gesondert ansteuerbar ist.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß zum Spannen eines Querdrahtendes ein mit seiner Kolbenstange (22) auf den oberen Spannkörper (19) einwirkender, am Führungskörper (17) befestigter Arbeitszylinder (21) vorgesehen ist.
- Vorrichtung nach einem der Ansprüche 6 oder 7, dadurch gekennzeichnet, daß der Führungskörper (18) einen seitlich auskragenden, parallel zum Lagerzapfen (11) verlaufenden Verdrehzapfen (13) aufweist, wobei auf gegenüberliegende Seiten des Verdrehzapfens (13) die Kolbenstange (16) je eines Arbeitszylinders (15, 15') angreift.
- Vorrichtung nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, daß jeder obere und untere Spannschlitten (23 bzw. 28) eine Klemmbacke (26) aufweist, wobei jede Klemmbacke (26) zum schlupffreien Festhalten der Querdrahtenden mit einem an seiner Oberfläche aufgerauhten Klemmstück (27) versehen ist.
- Vorrichtung nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet, daß zumindest eine Verdreh- und Spanneinrichtung (4 bzw. 5) zur Anpassung an unterschiedlich breite Drahtgittermatten relativ zur anderen verschiebbar ist.
- Vorrichtung nach einem der Ansprüche 6 bis 10, dadurch gekennzeichnet, daß der Lagerkörper (6) jeder Verdreh- und Spanneinrichtung (4 bzw. 5) zur Anpassung an unterschiedliche Durchmesser der Längs- und Querdrähte höheneinstellbar an der Schweißmaschine befestigt ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT1043/96 | 1996-06-10 | ||
AT104396 | 1996-06-13 | ||
AT0104396A AT407501B (de) | 1996-06-13 | 1996-06-13 | Verfahren und vorrichtung zum herstellen von drahtgittermatten |
PCT/AT1997/000123 WO1997047409A1 (de) | 1996-06-13 | 1997-06-11 | Verfahren und vorrichtung zum herstellen von drahtgittermatten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0843606A1 EP0843606A1 (de) | 1998-05-27 |
EP0843606B1 true EP0843606B1 (de) | 2001-04-25 |
Family
ID=3505350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97925767A Expired - Lifetime EP0843606B1 (de) | 1996-06-13 | 1997-06-11 | Verfahren und vorrichtung zum herstellen von drahtgittermatten |
Country Status (5)
Country | Link |
---|---|
US (1) | US6045031A (de) |
EP (1) | EP0843606B1 (de) |
AT (2) | AT407501B (de) |
DE (1) | DE59703431D1 (de) |
WO (1) | WO1997047409A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6241142B1 (en) * | 2000-04-24 | 2001-06-05 | Chun Pao Chou | Welding device for net member |
EP1704940A1 (de) * | 2005-03-21 | 2006-09-27 | H.A. Schlatter AG | Positioniereinrichtung zum Positionieren von Querdrähten für eine Gitterschweissmaschine und Verfahren zum Einlegen von Querdrähten in eine Gitterschweissmaschine |
US20070095006A1 (en) * | 2005-11-01 | 2007-05-03 | Konersmann Ronald D | Lightweight portable concrete enclosure and associated method of construction |
MX337011B (es) * | 2008-07-22 | 2015-12-16 | Concreto W S A De C V | Mejoras en maquina ensambladora de mallas electrosoldadas para formar estructuras tridimensionales de alambre. |
AT512400B1 (de) * | 2012-07-25 | 2013-08-15 | Evg Entwicklung Verwert Ges | Biegemaschine für Drahtgittermatten |
GR1008523B (el) | 2014-04-01 | 2015-07-09 | Αντωνιος Παναγιωτη Αναγνωστοπουλος | Μεθοδος και συστημα τροφοδοσιας διαμηκων συρματων ή μπετοβεργων σε μηχανηματα παραγωγης πλεγματος |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT307210B (de) * | 1969-07-15 | 1973-05-10 | Evg Entwicklung Verwert Ges | Verfahren und Einrichtung zum Herstellen von geschweißten Drahtgittern |
US3651834A (en) * | 1969-10-27 | 1972-03-28 | Sam Larkin | Wire mesh making |
US3814145A (en) * | 1970-07-31 | 1974-06-04 | Evg Entwicklung Verwert Ges | Wire mesh welding machine |
SE367329B (de) * | 1972-10-16 | 1974-05-27 | Elektriska Svetsnings Ab | |
US4221319A (en) * | 1978-08-09 | 1980-09-09 | Paco Corporation | Apparatus for welding metal grating structures |
SU837668A1 (ru) * | 1978-11-09 | 1981-06-15 | Всесоюзный Проектный Конструкторскийинститут Сварочного Производства | Машина дл контактной точечнойСВАРКи CETOK |
AT372886B (de) * | 1981-05-14 | 1983-11-25 | Evg Entwicklung Verwert Ges | Verfahren und vorrichtung zum herstellen geschweisster gitterkoerper |
DK146495C (da) * | 1981-06-17 | 1984-04-02 | Leif Petersen | Fremgangsmaade til fremstilling af et metalrammeelement med et dertil fastgjort, svejst netvaerk af metaltraad, navnlig til siddemoebler |
LU84785A1 (fr) * | 1983-05-03 | 1985-03-21 | Pierre Decoux | Procede et dispositif d'alimentation en fils de trame de machines a souder des treillis metalliques |
AT384969B (de) * | 1986-04-02 | 1988-02-10 | Evg Entwicklung Verwert Ges | Vielpunkt-widerstandsschweissmaschine |
AT395229B (de) * | 1989-05-24 | 1992-10-27 | Evg Entwicklung Verwert Ges | Gitterschweissmaschine |
AT401485B (de) * | 1989-06-22 | 1996-09-25 | Evg Entwicklung Verwert Ges | Verfahren und maschine zum herstellen von drahtgittern |
AT396882B (de) * | 1990-03-30 | 1993-12-27 | Evg Entwicklung Verwert Ges | Doppelpunktschweissmaschine |
AT402033B (de) * | 1992-02-20 | 1997-01-27 | Evg Entwicklung Verwert Ges | Verfahren und anlage zum herstellen von bewehrungsgittermatten |
DE4211737A1 (de) * | 1992-04-03 | 1993-10-21 | Draweba Maschinenbau Gmbh | Steuerungsverfahren und Vorrichtung zur Durchführung des Verfahrens für Drahtflechtautomaten |
-
1996
- 1996-06-13 AT AT0104396A patent/AT407501B/de not_active IP Right Cessation
-
1997
- 1997-06-11 DE DE59703431T patent/DE59703431D1/de not_active Expired - Fee Related
- 1997-06-11 WO PCT/AT1997/000123 patent/WO1997047409A1/de active IP Right Grant
- 1997-06-11 AT AT97925767T patent/ATE200748T1/de not_active IP Right Cessation
- 1997-06-11 US US08/983,389 patent/US6045031A/en not_active Expired - Fee Related
- 1997-06-11 EP EP97925767A patent/EP0843606B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0843606A1 (de) | 1998-05-27 |
WO1997047409A1 (de) | 1997-12-18 |
ATA104396A (de) | 2000-08-15 |
US6045031A (en) | 2000-04-04 |
DE59703431D1 (de) | 2001-05-31 |
ATE200748T1 (de) | 2001-05-15 |
AT407501B (de) | 2001-04-25 |
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