EP0868236B1 - Procede et installation pour la fabrication de mats en treillis - Google Patents

Procede et installation pour la fabrication de mats en treillis Download PDF

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Publication number
EP0868236B1
EP0868236B1 EP96939749A EP96939749A EP0868236B1 EP 0868236 B1 EP0868236 B1 EP 0868236B1 EP 96939749 A EP96939749 A EP 96939749A EP 96939749 A EP96939749 A EP 96939749A EP 0868236 B1 EP0868236 B1 EP 0868236B1
Authority
EP
European Patent Office
Prior art keywords
longitudinal
wires
wire
longitudinal wires
welding machine
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
Application number
EP96939749A
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German (de)
English (en)
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EP0868236A1 (fr
Inventor
Klaus Ritter
Gerhard Ritter
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.)
EVG Entwicklungs und Verwertungs GmbH
Original Assignee
EVG Entwicklungs und Verwertungs GmbH
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Publication of EP0868236A1 publication Critical patent/EP0868236A1/fr
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Publication of EP0868236B1 publication Critical patent/EP0868236B1/fr
Anticipated expiration legal-status Critical
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    • 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
    • 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
    • B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
    • B21F27/20—Making special types or portions of network by methods or means specially adapted therefor of plaster-carrying network

Definitions

  • the invention relates to a method and a system for Manufacture of lattice mats from crossing and at the Crossing points welded longitudinal and cross wires.
  • DE-A1-3744768 describes a method for the production of reinforcing steel mats known, in which the longitudinal wires by means individually controllable feed elements are pulled directly from coils and individually controllable, downstream Cutting devices from the material strand in front of the welding line in any length can be cut. All longitudinal wires lie on the cutting edges of the cutting device and are from the feed elements clamped.
  • the disadvantage of this method of working is that a continuous adjustment of the line wire division is not possible and a deduction of the longitudinal wires directly from the coils.
  • a welding machine is known from DE-C1-3530384, the one driven across its entire width Has roller, and their welding units on the inlet side an adjustable pinch roller that interacts with the roller and one between the pinch roller and the welding electrodes Have line wire cutters.
  • the welding units together Pinch roller and line wire cutter are different for setting Line wire divisions on rails across the production direction individually movable. This construction has the Disadvantage that the longitudinal wires only after positioning the Welding units in the roller and associated pinch roller existing feed device can be threaded.
  • DE-A1-4137122 describes a process for continuous Manufacture of reinforcing steel meshes known in which the longitudinal or cross wire pulled from the coil by means of rollers and in at least one ring loop serving as a buffer storage is inserted becomes.
  • the object of the invention is the disadvantages described to avoid and a procedure as well as an annex to the introductory to create specified type, which is the loud, noisy Avoid cutting the lattice mats, a continuous one Production of the mesh mats through rapid provision the required longitudinal wires as well as a quick and easy Allow change of line wire pitch and line wire thickness.
  • the method according to the invention is characterized in that that the line wires from a wire supply continuously drawn into and out of a buffer memory that the longitudinal wires are in front of the welding line a grid welding machine together with others, about the Buffer storage deducted from wire stock, in preparation brought longitudinal wires are clamped with their front ends, then all longitudinal wires in front of the welding line in a horizontal Direction transverse to its longitudinal axis to a predetermined Line wire pitch shifted and predetermined line wires together fed crosswise to the welding line in cycles and in front of the welding line in selectable Length are separated from the wire supply, and that the finished Mesh mat in cycles with the line wire feed pulled out of the grid welding machine and then stacked becomes.
  • DE-A1-31 30 721 is when pulling longitudinal wires in front of grid welding machines two series-connected draw roller systems with different ones Conveying capacity alternately from a buffer storage to control the line wire continuously over the downstream buffer system in the intermittently working Promote mesh welding machine.
  • a system intended to carry out the method a drain device for several longitudinal wires, the buffer memory for the line wires, with the line wire buffer memory upstream feed and straightening devices, with a cutting and feed device upstream of the grid welding machine per line wire, with a welding machine for Weld the longitudinal wire coulter to the cross wires and to a transport and stacking device for the welded Lattice mats are characterized in that for clockwise Insert into the welding line of the mesh welding machine for every line wire one in the horizontal direction transverse to the line wire axis sliding precision roll feed and for cutting off of the longitudinal wires from the wire supply unwound from the coils between the precision roll feed and the welding line at least one in the horizontal direction transverse to the longitudinal wire axis slidable cutting device are provided and that for pulling out the welded mesh mat from the mesh welding machine one with a device for gripping the grid mat provided transport trolley that can be moved in the production direction is provided.
  • the system shown in FIGS. 1 and 2 is used for manufacturing of grid mats G crossing each other and at the Crossing points of longitudinal wires L, L1, welded together L2 and cross wires Q.
  • the two longitudinal edge wires are with L1 and L2 denotes, while the remaining longitudinal wires of the longitudinal wire family are denoted by L.
  • the system shown shows in Seen flow direction P1, a drain device 1 for several Longitudinal wires L, L1 and L2, a horizontal straightening device 2, a straightening and feeding device 3, one as a buffer memory serving wire storage 4 for the longitudinal wires, a vertical Straightening device 5, a cutting and feeding device 6, a grid welding machine 7 and a transport and stacking device 8 for the welded mesh mats G.
  • the attachment also has a drain device 9 for a cross wire Q, a feed device 10 for the cross wire Q, one of the Feed device 10 downstream, as a buffer memory serving cross wire storage 11 and a cross wire insertion device 12, which straightens the cross wire Q, from the strand of material cuts off and along the arrow P2 the bullet line E shoots into the grid welding machine 7.
  • the line wire drain device 1 has line wire L, L1, L2 each have a coil frame 13 and a coil 14.
  • the number the bobbin rack 13 corresponds at least to the number of Longitudinal wires in the lattice mat to be produced is in the frame However, the invention is preferably larger than this in order to change programs in the production of mesh or in the event of faults in the line wire outlet enough line wires in preparation to have.
  • the horizontal straightening device 2 consists of each line wire of two horizontal ones arranged one behind the other Dressage devices 15, each of which is arranged offset from one another Have straightening rollers 16, the axes of the straightening rollers 16 run vertically and the longitudinal wires L, L1, L2 thereby be straightened in the horizontal plane.
  • the following straightening and feeding device 3 is made per line wire essentially from a roller feed 17, the has a feed roller and a counter roller, and from one Trend dressing 18, each of which is arranged offset from one another Has straightening rollers, the axes of these straightening rollers run horizontally and the straightening rollers set in this way be that the longitudinal wires L, L1, L2 in the form of a following Longitudinal wire storage 4 adapted loop S preformed become.
  • the longitudinal wire storage 4 consists essentially of a Frame 19 which is designed such that for everyone Line wire L, L1, L2 defines a separate loop guideway in which the longitudinal wire in the form of ring loops S is performed.
  • the longitudinal wire loops S are. in their size changeable to the continuous pulling of the longitudinal wires of the longitudinal wire coils 14 with the intermittent insertion of the Coordinate longitudinal wires in the grid welding machine 7.
  • the vertical downstream of the longitudinal wire storage 4 Straightening device 5 consists of one vertical wire each Dressage 20, the several straightening rollers arranged offset from each other has, the axes of these straightening rolls horizontally run so that the longitudinal wires are now also in the vertical plane to be straightened exactly.
  • the cutting and feed device 6 each has a longitudinal wire one from a driven feed roller and a counter roller existing precision roller feed 21 for insertion of the respective line wire in the grid welding machine 7 and a cutting device 22 for severing the longitudinal wire , with each precision roller feed 21 with the associated Cutting device 22 is coupled.
  • it is within the scope of the invention also possible to provide only one cutting device 22, these to separate the longitudinal wires independently of the Precision roller feeds 21 according to the double arrow P3 is displaceable transversely to the longitudinal axis of the longitudinal wires.
  • the grid welding machine 7 works according to the resistance welding method and consists essentially of a series of several welding heads 23, which are in a frame 24 along a horizontal, perpendicular to the production direction P1 Welding line X-X are arranged and for welding the crossing points of the cross wires with the line wire share.
  • Each welding head 23 consists of a lower electrode and from an upper electrode which is below or above the level the longitudinal wire array are arranged and either individually or can be adjusted together and with the required Welding pressure can be applied.
  • the welding heads are in the mesh G to be produced 23 adjustable relative to each other.
  • On the inlet side the grid welding machine 7 is one for each line wire Line wire guide 25 arranged.
  • the grid welding machine 7 can be carried out according to the single-point or the double-spot welding process work.
  • the transport and stacking device 9 has one on supports 26 arranged support frame 27, which has two side members 28. There is a track rail on each longitudinal beam 28 29 arranged on which a driven transport carriage 30 is displaceable according to the double arrow P4.
  • the dolly 30 is provided with a device for gripping the Mesh welding machine 7 provided mesh mats G to be pulled out, wherein the gripping device on at least one cross wire on at least Attacks two places for a precise, slip-free and to ensure parallel conveying of the mesh mat G.
  • For Support of the mesh mats G when conveying them are in the transport and stacking device 8 at least two support rollers 31 provided which are coupled together on the support frame 27 arranged track rails 32 corresponding to the Double arrow P5 can be pulled apart.
  • the finished mesh mats G are placed on a height-adjustable lifting table 33, the one with a roller table 34 for easier removal of the complete Mesh mat stack M is provided.
  • the drain device 9 for the cross wire consists of a Coil frame 35, which is mounted in a pivot 36 Coil 37 in the working position and one in a pivot 36 ' supported coil 37 'in the waiting position. To a flawless To ensure drainage of the cross wire Q, the Coils 37, 37 'braked by means of brakes 38 and 38', respectively. For threading of the cross wire in the cross wire storage 11 and for opening and closing Unwind any remaining lengths on the spools 37, 37 ' End of production or change of wire thickness is the cross-wire drain device 9 provided with an auxiliary drive 39.
  • the cross wire feed device 10 consists of a driven Feed roller and a spring-loaded counter roller.
  • the system described works in the following way:
  • the Line wires are fed with the help of the roller feed 17 and feed device 3 continuously from the coils 14 of the Drain device 1 removed, in the horizontal dressage 15 the horizontal straightening device 2 in the horizontal plane straightened and received with the help of trend training 18 the straightening and feed device 3 to the perfect process of the longitudinal wires in the longitudinal wire storage 4 required shape a wire loop S.
  • the downstream of the longitudinal wire storage 4 vertical dressage 20 of the vertical straightening device 5 corrects the longitudinal wire loops again and aligns the longitudinal wires straight in the vertical direction.
  • the lattice mats emerging from the lattice welding machine 7 G are from the gripping device of the trolley 30 the transport and stacking device 8 detected and accordingly the production direction P1 synchronously and in time with the through the precision roller feeds 21 feeding the Longitudinal wires pulled out of the grid welding machine 7.
  • the lattice mats G are supported by the support rollers 31, the more or less depending on the length of the mesh be pulled apart .. After disconnecting the longitudinal wires from the wire supply through the cutting device 22 becomes the grid mat G fully welded in the grid welding machine 7, the feed of the mesh mat G through the trolley 30 in time with the grid welding machine 7.
  • the grid mat G becomes this quickly and continuously pulled out of the grid welding machine 7 and then placed on the lifting table 33, whereby for placing the grid mat G the support rollers 31 in their starting position on the inlet side the transport and stacking device 8 are retracted and the gripping device of the trolley 30 from the grid mat G is solved.
  • Lattice mat G For changing the line wire pitch in the one to be manufactured Lattice mat G can the associated within the scope of the invention Precision roller feeds 21, possibly with the associated Cutting devices 22, with the welding heads 23 of the grid welding machine 7 be coupled so that they are together are adjustable relative to each other.
  • the cutters 22 also allow severing individual longitudinal wires during the welding of the grid mat G, so that it is possible to create individually designed mesh mats with longitudinal wires of different lengths within one Lattice mat and also lattice mats with breaks in the To produce longitudinal wires.
  • the cross wire storage 11 points, in principle similar to the line wire storage 4, a ring loop that is variable in size to the continuous withdrawal of the cross wire Q from the coil 37 or 37 'with the intermittent injection of the Cross wire in the weft line E of the grid welding machine 7 to coordinate. From the bullet line E the cross wire with suitable aids in the welding line X-X of the grid welding machine 7 promoted. However, is within the scope of the invention also the cross wire Q directly into the welding line X-X to shoot.
  • the bullet line E of the Cross wire can be modified.
  • the bullet line E can below and / or above the plane of the longitudinal wire coulter and seen in production direction P1 both in front and behind the welding line X-X.
  • the supply of the cross wire can in the context of the invention both from one side of the grid welding machine 7 and from both sides along the weft line E done.
  • the bullet line E can in the frame the invention also two cross wires, so-called double wires, be introduced.

Claims (9)

  1. Procédé de fabrication de mats en treillis en fils métalliques longitudinaux et transversaux se croisant les uns les autres et soudés les uns aux autres aux points de croisement, caractérisé en ce que les fils longitudinaux sont retirés de manière continue depuis une réserve de fils dans un réservoir tampon et sont avancés depuis celui-ci, en ce que les fils longitudinaux sont serrés avec les extrémités antérieures, en amont d'une machine à souder les treillis, conjointement avec d'autres fils longitudinaux retirés depuis la réserve de fils via le réservoir tampon de fils et amenés en position d'attente, puis tous les fils longitudinaux sont déplacés, en amont de la ligne de soudure, en direction horizontale transversalement à leur axe longitudinal, sur un pas de fils longitudinal prédéterminé, et des fils longitudinaux prédéterminés sont amenés conjointement avec des fils transversaux, en cadence, à la ligne de soudure et sont séparés de la réserve de fils, sur une longueur susceptible d'être choisie, en amont de la ligne de soudure, et en ce que le mat en treillis fini est sorti en cadence de manière synchrone à l'avancement des fils longitudinaux et il est ensuite empilé.
  2. Procédé selon la revendication 1, caractérisé en ce que tous les fils longitudinaux sont séparés de la réserve de fils respective au moyen d'au moins un dispositif de coupe déplaçable transversalement.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que les fils transversaux sont retirés de manière continue depuis une réserve de fils et après la séparation de la réserve de fils, ils sont amenés en cadence à la machine de soudure de treillis via un réservoir tampon.
  4. Procédé selon la revendication 3, caractérisé en ce qu'on donne aux fils longitudinaux et transversaux dans le réservoir tampon la forme de boucles circulaires variables de façon contrôlée.
  5. Installation permettant de mettre en oeuvre le procédé selon l'une quelconque des revendications 1 à 4, comportant un dispositif de déroulement pour plusieurs fils longitudinaux, un réservoir tampon pour les fils longitudinaux, des dispositifs d'avancement et de redressement montés en amont du réservoir tampon de fils longitudinaux, un dispositif de coupe et d'avancement par fil longitudinal, monté en amont de la machine à souder les treillis, un dispositif d'amenée pour un ou plusieurs fils transversaux, une machine à souder pour souder l'assemblage de fils longitudinaux avec les fils transversaux, et un dispositif de convoyage et d'empilage pour les mats en treillis soudés, caractérisée en ce que pour l'introduction en cadence dans la ligne de soudure (X-X) de la machine à souder les treillis (7), il est prévu, pour chaque fil longitudinal (L, L1, L2), un mécanisme d'alimentation par rouleau de précision (21) déplaçable en direction horizontale, transversalement à l'axe de fil longitudinal et, pour séparer les fils longitudinaux (L, L1, L2) de la réserve de fil déroulée des bobines (14), il est prévu entre le mécanisme d'alimentation par rouleau de précision (21) et la ligne de soudure (X-X) au moins un dispositif de coupe (22) déplaçable en direction horizontale transversalement à l'axe du fil longitudinal, et en ce que pour extraire le mat en treillis (G) soudé hors de la machine à souder les treillis (G), il est prévu un chariot de convoyage (30) pourvu d'un dispositif de préhension des mats en treillis (G), déplaçable en direction de production (P1).
  6. Installation selon la revendication 5, caractérisée en ce que le chariot de convoyage (30) est susceptible d'être piloté de manière continue pour souder le mat en treillis (G) en cadence et de manière synchrone au mécanisme d'alimentation par rouleau de précision (21) pour les fils longitudinaux (L, L1, L2) et pour extraire les mats en treillis (G) finis hors de la machine à souder les treillis (7).
  7. Installation selon l'une ou l'autre des revendications 5 et 6, caractérisé en ce qu'à chaque mécanisme d'alimentation par rouleau de précision (21) est associé un dispositif de coupe (22) déplaçable conjointement avec celui-ci.
  8. Installation selon l'une quelconque des revendications 5 à 7, caractérisée en ce que pour retirer de manière continue les fils longitudinaux (L, L1, L2) des bobines (14) du dispositif de déroulement (1) et pour charger le réservoir de fils longitudinaux (4) pour chaque fil longitudinal (L, L1, L2), il est prévu un mécanisme d'alimentation par rouleau (17) et pour préformer les boucles circulaires (S) pour le réservoir de fils longitudinaux (4), il est prévu un redresseur de direction (18).
  9. Installation selon l'une quelconque des revendications 5 à 7, caractérisée en ce que pour soutenir le mat en treillis (G) dans le dispositif de convoyage et d'empilage (8), il est prévu au moins un rouleau d'appui (31) déplaçable en direction de production (P1).
EP96939749A 1995-12-06 1996-12-02 Procede et installation pour la fabrication de mats en treillis Expired - Lifetime EP0868236B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT199295 1995-12-06
AT1992/95 1995-12-06
AT199295 1995-12-06
PCT/AT1996/000239 WO1997020649A1 (fr) 1995-12-06 1996-12-02 Procede et installation pour la fabrication de mats en treillis

Publications (2)

Publication Number Publication Date
EP0868236A1 EP0868236A1 (fr) 1998-10-07
EP0868236B1 true EP0868236B1 (fr) 2001-09-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP96939749A Expired - Lifetime EP0868236B1 (fr) 1995-12-06 1996-12-02 Procede et installation pour la fabrication de mats en treillis

Country Status (6)

Country Link
EP (1) EP0868236B1 (fr)
AT (2) AT2007U1 (fr)
DE (1) DE59607642D1 (fr)
GR (1) GR980300077T1 (fr)
WO (1) WO1997020649A1 (fr)
ZA (1) ZA9610246B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0220366D0 (en) * 2002-09-03 2002-10-09 United Wire Ltd Improvements in and relating to cutting wirecloth to length

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120721A1 (de) * 1981-05-25 1982-12-16 Wolfram Ing. Reinking (grad.), 4993 Rahden Drahtabziehverfahren
ATE16251T1 (de) * 1981-12-18 1985-11-15 Franz Bucher Verfahren zum herstellen eines aus parallel verlaufenden laengsbewehrungsstaeben und entlang diesen verteilten querstaeben bestehenden bewehrungselementes.
DE3530384C1 (de) * 1985-08-24 1986-09-11 Baustahlgewebe GmbH, 4000 Düsseldorf Schweissmaschine fuer aus Laengs- und Querdraehten bestehende Drahtgitter mit Laengsdrahtvorschubeinrichtung
DE3744768A1 (de) * 1987-01-07 1989-07-27 Wolfram Dipl Ing Reinking Verfahren zur herstellung von betonstahlmatten mit unterschiedlichem stahlquerschnitt
EP0707907A1 (fr) * 1994-10-20 1996-04-24 H.A. Schlatter Ag Procédé pour la fabrication de panneaux en treillis
NL9402076A (nl) * 1994-12-08 1996-07-01 Merksteijn Van Bv Lasinrichting voor draadstaalmatten en draadstaalmat.

Also Published As

Publication number Publication date
DE59607642D1 (de) 2001-10-11
GR980300077T1 (en) 1998-11-30
ZA9610246B (en) 1997-06-23
AT2007U1 (de) 1998-03-25
ATE205120T1 (de) 2001-09-15
EP0868236A1 (fr) 1998-10-07
WO1997020649A1 (fr) 1997-06-12

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