EP1700650B1 - Méthode et dispositif de positionnement des fils ou barres coupés - Google Patents

Méthode et dispositif de positionnement des fils ou barres coupés Download PDF

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Publication number
EP1700650B1
EP1700650B1 EP06004547A EP06004547A EP1700650B1 EP 1700650 B1 EP1700650 B1 EP 1700650B1 EP 06004547 A EP06004547 A EP 06004547A EP 06004547 A EP06004547 A EP 06004547A EP 1700650 B1 EP1700650 B1 EP 1700650B1
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EP
European Patent Office
Prior art keywords
wires
clamping
wire
pincers
distances
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.)
Active
Application number
EP06004547A
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German (de)
English (en)
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EP1700650A1 (fr
Inventor
Klaus Dipl.-Ing. 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
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EVG Entwicklungs und Verwertungs GmbH
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Publication of EP1700650A1 publication Critical patent/EP1700650A1/fr
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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
    • B21F23/00—Feeding wire in wire-working machines or apparatus
    • B21F23/005—Feeding discrete lengths of wire or rod
    • 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 and an apparatus for setting cut wires and / or bars in a flat, horizontal position with continuously selectable, parallel, lateral distances from one another, with a discharge device for individual wires and with a transverse to the longitudinal direction of the wires displaceable, Heb and lowerable transverse distribution device.
  • a system for feeding longitudinal elements to a welding machine for producing gratings from each other at right angles crossing, welded at the crossing points longitudinal and transverse wires is known.
  • longitudinal elements cut to length by a delivery device are separated and successively delivered to a cross conveyor, which conveys the longitudinal elements transversely to the longitudinal direction in the longitudinal element feed plane of the welding machine by means of conveyor chains, wherein by corresponding control of the delivery device and the conveyor chains of the cross conveyor the longitudinal elements approximately corresponding to desired intervals of the longitudinal elements, the so-called longitudinal element division, are stored in the produced mesh product on the conveyor chains.
  • the longitudinal elements are lifted out of the conveyor chains and arranged by several above the conveyor chains, raised and lowered gripping tongs detected, the lifting elements and the grippers are each moved as far transverse to the production direction of the welding machine until the longitudinal elements lie in the exact longitudinal element division of the produced mesh product.
  • the gripping tongs transfer the longitudinal elements to a slide-in cart, which inserts the longitudinal elements into the welding machine.
  • This system has the disadvantage that the stored longitudinal elements in the transverse distribution must be moved laterally with conveyor chains, so that an unintentional displacement of the longitudinal elements can occur.
  • This system also has the disadvantage that technically complex facilities are required to lift out the longitudinal elements of the cross conveyor and bring in the exact longitudinal element positions. With the tongs used in this case, the acquisition, especially with long, thin longitudinal elements, very prone to failure and often leads to incorrect handling.
  • the longitudinal elements are held on the support surface of the distribution carriage by means of a magnetic force, wherein for the alignment of the longitudinal elements optionally additionally a receiving comb is provided on the distribution truck.
  • the longitudinal elements are then transferred for transfer to the welding machine of a transfer device, wherein the longitudinal elements are lifted from the distribution truck and clamped in the transfer device by means of individual clamping elements or a common clamping bar.
  • This method and this system have the disadvantage that the final arrangement of the longitudinal elements corresponding to the longitudinal element division takes place very early and the longitudinal elements must be manipulated in several subsequent steps, until they are passed to the welding machine can, whereby shifts of the longitudinal elements and thus pitch errors can not be excluded.
  • the determination of the longitudinal elements by means of magnetic force is also prone to failure with respect to lateral displacements of the longitudinal elements.
  • the object of the invention is to avoid the disadvantages of the known methods and equipment and to provide a method and an apparatus of the type described in the introduction, which makes it possible to fix the longitudinal wires with simple means and reliable in the required longitudinal wire division and for transfer to a Provide consumers to be stored and manipulated only approximately corresponding to the longitudinal wire division to the exact determination in the required longitudinal wire division, the longitudinal wires with a large tolerance width.
  • a method according to the invention of the type specified in the introduction is distinguished by the fact that the wires to be fixed are placed in fixed, parallel, lateral distances from one another, that the wires are moved in groups transversely to their longitudinal direction and then all the wires are lowered by jointly lowering the wires groupwise arrangement with fixed predetermined distances of the wires in a group-wise arrangement with infinitely adjustable intervals transferred and clamped in this arrangement.
  • the invention also relates to an apparatus for carrying out the method, comprising a delivery device for individual, cut-to-length wires and a transverse to the longitudinal direction of the wires displaceable, raised and lowered transverse distribution device, characterized in that to form a group of wires with fixed predetermined, lateral distances the dispenser has a controllable closure device, that the transverse distribution means distributed in the wire longitudinal direction distribution devices each with arranged at constant intervals receiving means, wherein the dividing means controlled in the horizontal direction are jointly displaceable, that a receiving and clamping device is provided, which has at least one row of several steplessly displaceable in the horizontal direction and fixable pliers, that for transferring the wires to the Recording and clamping device, the distribution devices in the transfer position controlled in the vertical direction can be raised and lowered, that for receiving the wires, the pliers have a catching device and that each a clamping device is provided for clamping the wires in the respective nip of the pliers.
  • each dividing means has a replaceable dividing comb having a plurality of receiving compartments with predetermined, constant, lateral distances for receiving a respective wire.
  • FIG. 1 shows a schematic side view of a feeding device according to the invention
  • FIG. 2 shows a schematic side view of a feeding gun
  • FIGS. 3a, 3b, 3c show a further, schematic side view of a feeding gun in different working positions of the feeding guns.
  • the device according to the invention serves to distribute cut wires and / or rods transversely to their longitudinal direction and to fix the wires in a planar position with selectable, parallel, lateral distances from each other.
  • a device is used, for example, for feeding longitudinal wires to a multi-point resistance welding machine, the wire mesh mats with a family of parallel, arranged at a predetermined distance longitudinal wires and a bevy of these crossing at right angles and at the crossing points produced with the longitudinal wires welded cross wires.
  • the lateral distances of the longitudinal wires, the so-called longitudinal wire pitch, as well as the lateral distances of the transverse wires, the so-called cross-wire pitch are predetermined depending on the type of wire mesh mat.
  • the device according to the invention shown schematically in Fig. 1 consists essentially of a device 1 for distributing the wires D transversely to its longitudinal direction, from a dispenser 2 for scattered feeding the cut wires to the transverse distribution device 1 and a device 3 for receiving and clamping the wires.
  • the transverse distribution device 1 has a stationary base frame 4 with an overhead sliding guide 5.
  • Two distributing carriages 6 are arranged so as to be movable horizontally on sliding guides 5 in the directions of the double arrow P1, the distributing carriages 6 being arranged at a distance from one another in the wire longitudinal direction.
  • the distribution of the support arms in the wire longitudinal direction depends on the differences in length of the wires to be processed, must be chosen within the scope of the invention, however, so that all possible wire lengths are securely supported ,
  • Each support arm 7 has a replaceable dividing comb 8, which has a plurality of receiving compartments 9 for receiving a respective wire D.
  • the lateral distances of the receiving compartments 9 are always the same size, the size of the distances in principle arbitrary selectable, for a distribution comb 8, however, is always constant. In the described embodiment, the distance is for example 12.5 mm. Other values for the distances of the receiving compartments are made possible by changing the distribution comb. The distance between the receiving compartments must correspond to at least half the value of the smallest longitudinal wire pitch.
  • the dispenser 2 is provided with a plurality of upper runway sheets 10 and a plurality of lower runway sheets 11 which are arranged to each other and distributed in the wire longitudinal direction, that they form a plurality of obliquely downwardly facing, parallel wire shafts S for the wires D.
  • the dispenser 2 also has a plurality of ejector plates 12 and a plurality of ejector covers 13, which are each arranged in such a way and distributed in the wire longitudinal direction that they form a plurality of almost vertically extending downward, parallel ejection channels A for the wires D. Between the wire ducts S and the ejection channels A several distributed in the wire longitudinal direction, driven in the direction of the arrow P2 ejector 14 are arranged.
  • the ejector 14 have a plurality of compartments 15, each receiving a wire D.
  • the ejection channels A are closed at their lower ends with pivotable in the two directions of the double arrow P3 closure clips 16.
  • At the upper end of the wire shafts S several distributed in the wire longitudinal direction, driven in the direction of arrow P4 rubbing wheels 17 are arranged, combing out of a disordered supply of material wires and promote individual wires in the wire wells, as shown in the AT-B-408959 is described.
  • the receiving and clamping device 3 has a base frame 18, each with a lateral, vertical side wall 19, 19 '. Between the two side cheeks 19 there is a roadway 20 on which a positioning carriage 21 is movably arranged in accordance with the two directions of the double arrow P7.
  • the positioning carriage 21 has a coupling device 22 which can be raised and lowered in the directions of the double arrow P8 and is described in more detail in FIG.
  • the receiving and clamping device 3 is equipped with a plurality of pliers 23, the guide rails 24, 24 'in the directions of the double arrow P9 continuously displaceable and fixable are. To move the pliers 23 of the positioning carriage 21 is coupled to the pliers 23, as described in Fig. 2. In the adjusting motor of the positioning carriage 21, a Wegemeßsystem for detecting the positions of the pliers 23 is installed.
  • the pliers 23 shown schematically in Fig. 2 has a tong body 25 (Fig. 3a) which carries two brackets 26, 26 '.
  • Each holder 26, 26 ' has on its underside a clamping groove 27, 27'.
  • the clamping grooves 27, 27 ' ach cooperate with clamping pieces 28 and 28', which are fastened on a common connecting piece 29.
  • the connecting piece 29 is fixedly connected to the movable in the directions of the double arrow P8 piston rod of a coupling cylinder 30 which is supported on the positioning carriage 21.
  • a guide carriage 31 is fixed, which is movable on the guide rail 24.
  • the tong body 25, a further guide carriage 31 ' is fixed, which is on the guide rail 24' movable.
  • the guide rails 24, 24 ' are each arranged on a carrier 32 or 32', which in turn are mounted fixed on the base frame 18. Since, on the one hand, the carriages 31, 31 'have a certain minimum width and, on the other hand, the lateral spacing of the clamped in the receiving and clamping device 3 wires should be as small as possible, it is possible in the invention, the pliers 23 Maschinentubes 23, thereby corresponding nesting of the carriage 31, 31' of adjacent pliers 23 to position very closely.
  • the pliers body 25 are two angle-shaped side plates 33, 33 'attached, which are connected to each other with spacers, not shown, wherein at the top of a side plate 33', the other side plate 33 projects slightly beyond.
  • an inner clamping wedge 34 is fixed, the underside of which has a shape adapted to the dimensions of the wire D2 to be processed.
  • two catch plates 35 and 35 ' are fixed, which have a serving as a guide channel F recess 36 (Fig. 3a), which has a vertical, parallel to the center line MM of the pliers 23 and a subsequent bottom, leading to the center line MM section has, ie similar to a reversed "J" is formed.
  • the passage width of the recess 36 is selected such that the wires to be processed D1 can slide in unhindered.
  • the inlet region of the recess 36 is formed by two fangs 37, 37 '(FIG. 3 a) with a bevel lying on the inside and facing inward.
  • a clamping cylinder 38 is fixed, the piston rod 39 movable in the two directions of the double arrow P10 and at the end of a clamping ram 40 is fixed.
  • the clamping ram 40 has a V-shaped recess for receiving the wire D2, wherein the tip of the V-shaped recess defines the clamping position of the clamped wire D3 in the center line MM of the forceps 23.
  • the clamping ram 40 is slidably guided in the side plates 33, 33 '.
  • the clamping cylinder 38 is controlled by a control valve 41 via control lines 42 and can be configured in the context of the invention, for example as a pneumatic cylinder.
  • a clamping hose 43 extending over all the tongs is provided which can be inflated or contracted in the corresponding directions of the double arrow P11 and which is supported on the base frame 18 by means of a support 44.
  • the inventive device operates in the following manner: From a material supply, not shown, the wires D of the dispenser 2 are supplied and isolated by the Rubbeltive 14 brought into the wire shafts S, as for example in the AT-B-408959 is described. From the wire shafts S, the wires D are each removed one by one with the aid of the ejector disk 14 and into the discharge channel. A promoted. By controlled pivoting away of the closure bracket 16 in the corresponding direction of the double arrow P3, the discharge channel A is opened briefly, and a wire D falls in the direction of arrow P5 from the discharge channel A in the underlying receiving compartments 9 of the distribution combs 8.
  • the distributing vehicles travel with the group of wires D' in the corresponding direction of the double arrow P1 into the transfer position 6 'indicated by dashed lines in FIG.
  • the distribution combs take the transfer position 7 ', likewise indicated by dashed lines in FIG. 1, above the receiving and clamping device 3.
  • the pliers 23 of the receiving and clamping device 3 are brought by the positioning carriage 21 continuously in the desired mutual distances, wherein the desired mutual distance of the wires D3 is given by the distances of the center lines M-M of the pliers 23 or can be a multiple of these distances.
  • the positioning carriage 21 is moved in the corresponding directions of the double arrow P7 such that the clamping pieces 28, 28 'are located just below the clamping grooves 27, 27' of the forceps 23 to be positioned.
  • the clamping pieces 28, 28 ' are raised in the corresponding direction of the double arrow P8 until they engage in the clamping grooves 27, 27', whereby a positive and non-positive connection between the positioning carriage 21 and the pliers to be positioned 23 is produced. Subsequently, the positioning carriage 21 together with the pliers 23 in the corresponding directions of the double arrow P7 is moved until the pliers 23 has reached the desired position. In the same way, all other pliers 23 are positioned in their takeover position. When driving past the positioning carriage 21 on the pliers 23 detects the built-in Verstellmotor Wegemeßsystem the position of the respective pliers 23.
  • a positioning of the corresponding pliers 23 may not be necessary because the pliers is already in the correct position, a corresponding position confirmation to Control delivered.
  • a plurality of positioning carriages 21 can be used for the simultaneous adjustment of a plurality of pliers 23 within the scope of the invention.
  • the pliers 23 are advanced together in the longitudinal direction of the wires until the group of longitudinal wires D3 enters the sphere of action of the resistance welding machine and can be taken over by this for welding with transverse wires.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Wire Bonding (AREA)

Claims (6)

  1. Procédé pour le positionnement de fils et/ou de barres coupées à longueur dans une position plane, horizontale, avec des espaces latéraux parallèles, sélectionnables en continu, dans lequel les fils à positionner (D3) sont placés (P5) pour former un groupe selon des espacements latéraux, parallèles, fermement établis, et dans lequel les fils (D') sont décalés (P1) par groupes, transversalement par rapport à leur direction longitudinale, caractérisé en ce que, consécutivement, tous les fils (D') sont fixés par abaissement commun (P6) de l'agencement en groupes avec des espaces fixement préétablis des fils dans un agencement par groupes avec des espacements réglables en continu et sont fixés en position dans cet agencement.
  2. Dispositif pour la réalisation du procédé selon la revendication 1, avec un dispositif de dépose pour les fils isolés, coupés à longueur, et avec un dispositif de coupe transversale, relevable et abaissable, et déplaçable transversalement par rapport à la direction longitudinale des fils, caractérisé en ce que, pour la formation d'un groupe de fils (D') avec des espacements latéraux préétablis de façon fixe, le dispositif de dépose (2) présente un dispositif de fermeture pouvant être commandé (16), en ce que le dispositif de répartition transversale (1) présente plusieurs dispositifs de séparation (7) répartis dans la direction longitudinale des fils, avec respectivement à des distances constantes des dispositifs de réception disposés selon des espacements constants, dans lequel les dispositifs de séparation (7) commandés dans la direction horizontale (P1) sont déplaçables conjointement dans la direction horizontale (P1), en ce qu'il est prévu un dispositif de réception et de serrage (3) qui comporte au moins une série de plusieurs pinces (23) positionnables et déplaçables en continu dans la direction horizontale (P9), en ce que, pour le chargement direct des fils (D1) sur les pinces (23) du dispositif de réception et de serrage (3), les dispositifs de séparation (7) sont commandés dans la position de transfert dans la direction verticale (P8), de façon à pouvoir être abaissés, en ce que, pour la réception des fils (D1), les pinces (23) qui, après la réalisation du transfert, peuvent être à nouveau relevées, présentent un dispositif de préhension (35, 35'), et en ce que, respectivement, un dispositif de serrage (34, 38, 40, 41, 42) est prévu pour le serrage des fils (D3) dans la ligne de serrage respective (M-M) des pinces (23).
  3. Dispositif selon la revendication 2, caractérisé en ce que chaque dispositif de séparation (7) présente un peigne de séparation échangeable (8) qui comporte plusieurs compartiments de réception (9) avec des espacements latéraux constants prédéterminés pour recevoir respectivement un fil (D).
  4. Dispositif selon l'une des revendications 2 ou 3, caractérisé en ce que les pinces (23) sont positionnables à l'aide d'au moins un chariot de positionnement (21) déplaçable (P7) qui, à l'aide d'un dispositif de couplage (22) relevable et abaissable (P8), peut être raccordé aux pinces (23) en liaison par engagement positif.
  5. Dispositif selon l'une des revendications 2 à 4, caractérisé en ce que le dispositif de préhension comporte au moins une tôle de préhension (35, 35') qui est munie d'un évidement (36) servant de canal de guidage (F) pour le fil (D1) dans lequel la zone d'entrée de l'évidement (36) est excentrique par rapport à la ligne de serrage (M-M) des pinces (23) et l'évidement présente une zone verticalement dirigée vers le bas, ainsi qu'une zone de guidage consécutive à la ligne de serrage (M-M).
  6. Dispositif selon la revendication 5, caractérisé en ce que la zone d'entrée du canal de guidage (F) est formée par deux dents de préhension (37, 37') qui présentent respectivement un chanfrein situé à l'intérieur et dirigé vers l'intérieur.
EP06004547A 2005-03-07 2006-03-07 Méthode et dispositif de positionnement des fils ou barres coupés Active EP1700650B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0038005A AT503321B1 (de) 2005-03-07 2005-03-07 Verfahren und vorrichtung zum festlegen von abgelängten drähten und/oder stäben

Publications (2)

Publication Number Publication Date
EP1700650A1 EP1700650A1 (fr) 2006-09-13
EP1700650B1 true EP1700650B1 (fr) 2007-12-19

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EP06004547A Active EP1700650B1 (fr) 2005-03-07 2006-03-07 Méthode et dispositif de positionnement des fils ou barres coupés

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EP (1) EP1700650B1 (fr)
AT (2) AT503321B1 (fr)
DE (1) DE502006000224D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103658467A (zh) * 2013-11-29 2014-03-26 天津市奥联特钢结构安装工程有限公司 一种自动排焊机

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20130454A1 (it) * 2013-06-04 2014-12-05 Oscam Spa Impianto per il caricamento di un gruppo di barre metalliche
CN105414409A (zh) * 2016-01-15 2016-03-23 北京五隆兴机械制造有限公司 钢筋自动上料装置
IT201700061837A1 (it) * 2017-06-06 2018-12-06 M E P Macch Elettroniche Piegatrici Spa Apparato e metodo per realizzare una rete metallica

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT400934B (de) * 1988-11-30 1996-04-25 Evg Entwicklung Verwert Ges Verfahren und anlage zum zuführen von längselementen aus rund- oder flachmaterial zu einer durchlauf-schweissmaschine für gitter oder gitterroste
AT404910B (de) * 1993-07-07 1999-03-25 Evg Entwicklung Verwert Ges Anlage zum zuführen von längselementen zu einer schweissmaschine
DE29714110U1 (de) * 1997-08-07 1997-10-09 Theis, Klaus, Dr., 60596 Frankfurt Zuführtraverse für Stäbe
AT408959B (de) 1999-11-19 2002-04-25 Evg Entwicklung Verwert Ges Verfahren und vorrichtung zum behandeln von drähten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103658467A (zh) * 2013-11-29 2014-03-26 天津市奥联特钢结构安装工程有限公司 一种自动排焊机
CN103658467B (zh) * 2013-11-29 2015-11-11 天津市奥联特钢结构安装工程有限公司 一种自动排焊机

Also Published As

Publication number Publication date
ATE381397T1 (de) 2008-01-15
EP1700650A1 (fr) 2006-09-13
DE502006000224D1 (de) 2008-01-31
AT503321B1 (de) 2008-09-15
AT503321A1 (de) 2007-09-15

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