WO2010040820A1 - Dispositif d’alimentation en barres métalliques et procédé d’alimentation associé - Google Patents

Dispositif d’alimentation en barres métalliques et procédé d’alimentation associé Download PDF

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Publication number
WO2010040820A1
WO2010040820A1 PCT/EP2009/063149 EP2009063149W WO2010040820A1 WO 2010040820 A1 WO2010040820 A1 WO 2010040820A1 EP 2009063149 W EP2009063149 W EP 2009063149W WO 2010040820 A1 WO2010040820 A1 WO 2010040820A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal bars
loading
feed
loading means
segments
Prior art date
Application number
PCT/EP2009/063149
Other languages
English (en)
Inventor
Giorgio Del Fabro
Original Assignee
M.E.P. Macchine Elettroniche Piegatrici Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by M.E.P. Macchine Elettroniche Piegatrici Spa filed Critical M.E.P. Macchine Elettroniche Piegatrici Spa
Publication of WO2010040820A1 publication Critical patent/WO2010040820A1/fr

Links

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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/28—Associations of cutting devices therewith
    • B21D43/285—Devices for handling elongated articles, e.g. bars, tubes or profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F11/00—Cutting wire
    • 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
    • B21F23/007—Feeding discrete lengths of wire or rod using pick-up means, e.g. for isolating a predefined number of wires from a bundle

Definitions

  • the present invention concerns a device, and the relative method, to feed metal bars to a work apparatus, such as for example a store, a stirrup-machine, a bending machine, a shaping machine, a binding machine or other type of similar or comparable apparatus.
  • a work apparatus such as for example a store, a stirrup-machine, a bending machine, a shaping machine, a binding machine or other type of similar or comparable apparatus.
  • the feed device according to the invention is suitable to pick up, in a substantially automatic manner, at least one bar at a time from a bundle of bars disposed in a relative container, arranging them in groups of a desired conformation, both in terms of diameter and in the length of the individual bars, for specific feed to the work apparatus.
  • Work apparatuses for metal bars are known, which work or store one or more bars at a time, for example to make shaped pieces for the building trade or other type of product.
  • Apparatuses that use metal bars are normally fed by a feed device provided with a plurality of containers or pockets, mounted and/or made on a feed trolley in which respective bundles of bars are disposed, of different diameter and/or length, between one container and the other, from which the bars to be sent to the apparatus are picked up on each occasion.
  • a feed device for metal bars is also known provided with a translator member, disposed downstream of the loading means and independent thereof, which collects in groups the metal bars exiting from the loading means, and moves them in a direction of translation substantially orthogonal to the development of the length of the bars, so as to define a store on which the metal bars are disposed, grouped together and moved transversely in predefined groups, between being picked up from the bundle and fed to the work apparatus.
  • Solutions with the shearing unit downstream of the device have various operating limitations, for example to define different lengths between the individual metal bars of the same group, and also for the discharge of possible working scrap.
  • One purpose of the present invention is therefore to achieve a device and perfect a method to feed metal bars that allow to optimize feed of the bars to the work apparatus.
  • Another purpose of the present invention is to achieve a device that allows to load into a work apparatus, substantially without any interruptions, series consisting of limited numbers of metal bars having different diameter and/or sizes.
  • a feed device for metal bars is associated with a work apparatus and comprises containing means, for example of the pocket type, in which the metal bars are disposed in respective bundles, and loading means comprising at least a drawing unit, and able to pick up one or more metal bars and remove them from the relative bundles in a determinate direction of loading.
  • the feed device also comprises a translator member, disposed downstream of the loading means and independent from them.
  • the translator member is conformed to collect in determinate groups the metal bars exiting from the loading means, and to move the groups thus formed in a direction of translation, transverse to the direction of loading, so as to take them to a position external and lateral to the loading means, from which position they are fed to the work apparatus.
  • the loading means comprise at least a shearing unit suitable to selectively divide the metal bars picked up into segments of a desired length, and then to feed them to the translator member in the form of segments sheared to size.
  • the translator member moves the metal bars, possibly divided into segments sheared to size, independently of the loading and feed times, and substantially defines a store on which the metal bars, already possibly disposed in the size required for the subsequent working, are deposited, grouped and moved transversely in predefined groups, between pick-up from the bundle and feed to the work apparatus.
  • the device feeds to the work machine metal bars and/or segments of bars already sheared, according to the specific operating functions of the machine, which can be very different on each occasion.
  • the presence of the translator member allows to make the operativeness of the loading means independent of the feed of the work apparatus, and can feed the work apparatus substantially continuously and in a manner not constrained by possible downtimes of the machine due, for example, to the change of bars to be loaded.
  • the apparatus according to the present invention can also be used with the sole function of counting the bars picked up, in order to deposit them in the store, or to shear them to segments only.
  • the loading means comprise a first drawing unit disposed upstream of the shearing unit with respect to the direction of feed of the bars, and able to feed to the shearing unit the metal bars to be divided.
  • the loading means also comprise a second drawing unit disposed downstream of the shearing unit and able to extract the segments of sheared bars, and possibly to feed "tail-wise" part of the segments sheared to make segments with a considerably reduced length, even in the range of about 500 mm.
  • the shearing unit comprises a pair of shears.
  • a third drawing unit is interposed between the two shears in order to manage and move the shearing scrap.
  • the feed device also comprises a feed plane disposed lateral to the translator member, suitable to accommodate the metal bars and/or segments, individual or in groups, exiting from the translator member.
  • the feed plane is operationally coordinated, at outlet, with the work apparatus, so as to feed to the latter the metal bars and/or segments, and further disassociating the loading times from the feed times.
  • the feed plane is directly conformed from by the feed channel, for example the rollerway, of the apparatus for working the bars and/or segments.
  • the feed plane comprises an accumulation shelf and a feed channel of the work apparatus.
  • the translator member feeds the metal bars and/or segments to the accumulation shelf substantially continuously, and the bars and/or segments are then fed to the feed channel. In this way it is possible to disassociate the operating times of the translator member from those of the feed channel.
  • a positioning member is provided, mobile with respect to the feed plane and conformed to effect a temporary lifting action of the bars and/or segments deposited on the feed plane, so as to reciprocally move the metal bars and/or the segments and thus promote a substantially adjacent and co-planar disposition thereof.
  • the translator member comprises a plurality of partitions disposed substantially parallel to each other and to the direction of loading of the bars and/or segments.
  • the partitions are disposed suitably distanced from each other, so as to define an equal number of containing sectors.
  • the metal bars loaded by the loading means are positioned inside the relative containing sectors in a desired manner, so that the bars can be disposed individually and/or collected in groups.
  • the groups of metal bars and/or segments can be formed irrespectively of size and/or number.
  • the feed device also comprises movement means on which the loading means are mounted.
  • the movement means are conformed in such a manner as to selectively move the loading means in a direction transverse to the direction of loading of the metal bars. In this way it is possible to selectively position the loading means with respect to the containing means, depending on the type of metal bars to be fed.
  • the bars thus loaded can be deposited individually, in segments and/or in groups, in new sectors, or at least partly in the sectors previously used, without stopping the movement of the translator member and hence the feed of the work apparatus of the bars and/or segments.
  • - fig. 1 is a schematic plan view of a feed device for metal bars according to the present invention
  • - fig. 2 is a schematic lateral view of the feed device in fig. 1 ;
  • - fig. 3 is a schematic front view of the feed device in fig. 1 ;
  • - fig. 4 shows a variant of a detail of fig. 3;
  • a feed device 10 according to the present invention is shown, which is applied to load one or two metal bars 11 at a time to a traditional work apparatus for said metal bars 11 , such as a store, a stirrup-machine, a shaping machine, a bending machine, a binding machine or any other similar type of apparatus, or even different.
  • a traditional work apparatus for said metal bars 11 such as a store, a stirrup-machine, a shaping machine, a bending machine, a binding machine or any other similar type of apparatus, or even different.
  • the feed device 10 comprises a containing frame 13, provided with a plurality of pockets 12, substantially parallel to each other and inside which the metal bars 1 1 are grouped together according to diameter in bundles.
  • the feed device 10 also comprises a loading trolley 15, disposed downstream and in cooperation with the containing frame 13, so as to pick up from the latter the metal bars 11 and extract them from the relative bundles in a direction of loading D.
  • the loading trolley 15 is mobile transversely to the direction of loading D by means of a movement board 18, so as to be able to be selectively taken into cooperation with or another of the pockets 12, in the pick-up step of the metal bars 11.
  • the loading trolley 15 comprises two first drawing units 23, for example with rolls of a substantially known type, which determine the extraction of the metal bars 11 from the relative bundle, in order to move it in the direction of loading D.
  • the loading trolley 15 (figs. 2 and 5) also comprises a shearing unit 25, disposed downstream of the two first drawing units 23 with respect to the direction of feed of the metal bars 11 , and able to selectively divide the metal bars 1 1 picked up from the bundles into segments of desired length.
  • the shearing unit 25 comprises a pair of shears, respectively first 30a and second 30b, suitable to shear the metal bars 1 1 head wise or tail wise and make the desired segments, for example sheared to size for subsequent processes.
  • the loading trolley 15 also comprises a second drawing unit 31 disposed immediately downstream of the second shears 30b, usable in particular for tail- wise shearing, being suitable to feed the tail ends of the metal bars 1 1 so as to be able to make segments of extremely reduced lengths, even about 500 mm,
  • the loading trolley 15 comprises a third drawing unit 32 interposed between the two shears 30a and 30b, and able to participate in the feed of the sheared metal bars 11 and/or segments, and also to manage the working scrap due to the different cuts of the metal bars 11.
  • one or another of the drawing units 23, 31, 32 is of the type with grippers, or magnetic, or another type.
  • the metal bars 11 are picked up from the bundle, to be taken in cooperation with the drawing units 23, 31, 32, and with the shearing unit 25, by means of automatic pick-up means, for example magnetic, not shown here.
  • the loading trolley 15 also comprises a beam 26, which extends parallel to the direction of loading D.
  • the feed device 10 also comprises a translator member 16 disposed immediately downstream of the loading trolley 15 and conformed to translate the metal bars 11 and/or segments arriving from the loading trolley 15 in a direction of translation T, substantially transverse to the direction of loading D.
  • the translator member 16 is defined by a plurality of motorized chains 17, which are disposed substantially parallel to each other and oriented in the direction of translation T.
  • the chains 17 can be replaced by belts or other similar or comparable movement member.
  • the distance between one chain 17 and the other is progressive, as gradually the distance from the loading trolley 15 increases, so as to guarantee a correct and effective support for the metal bars 1 1 and/or segments, whatever their length may be.
  • Each chain 17 is provided externally with a plurality of blades 19 or partitions, disposed equidistant from each other and aligned in the direction of loading D, with the blades 19 of the adjacent chains 17.
  • the space between two blades 19 of the same chain 17 defines a translation sector 20, in which the metal bars 11 and/or segments, exiting from the loading trolley 15, are able to be disposed in groups, according to a desired order.
  • the feed device 10 also comprises a feed channel 21 conformed so as to accommodate the metal bars 11 and/or segments exiting from the translator member 16.
  • the feed plane is provided at the side of the translator member 16 and is oriented parallel to the direction of loading D.
  • the feed channel 21 is operationally coordinated with the work apparatus, so as to feed the metal bars 11 and/or segments directly to the work apparatus.
  • a plurality of positioning forks 22 are associated with the feed channel 21, and are distributed on the length of the feed channel 21 ; they are able to lift, slightly and quickly, the metal bars 1 1 and/or segments disposed on the feed channel 21, so as to promote a disposition of the metal bars 11 and/or segments reciprocally adjacent and substantially on the same plane.
  • the feed device 10 functions as follows.
  • the loading trolley 15 is moved until it disposes the relative drawing units 23 in correspondence with the pocket 12 in which the metal bars 11 to be fed are found.
  • the metal bars 11 picked up and extracted from the relative bundles are possibly sheared into segments and subsequently deposited in one or more translation sectors 20 of the translator member 16.
  • the individual or group disposition of the metal bars 1 1 and/or segments in the translation sectors 20 is chosen on each occasion, depending on the different operating conditions and/or the type of work apparatus with which the feed device 10 is associated.
  • the translator member 16 by moving its chains 17 simultaneously, determines the translation of the metal bars 11 and/or segments, deposited in the various translation sectors 20, in the direction T. Simultaneously, the loading trolley 15 is positioned in correspondence with a new pocket 12 picking up a new type of metal bars to be sent for processing.
  • the metal bars 11 and/or segments, now picked up, are subsequently positioned in new translation sectors 20, and so on, so as to form groups of metal bars, homogeneous or not, in each translation sector 20.
  • the translator member 16 feeds to the feed channel 21, substantially without any break in continuity, the groups of metal bars 11 and/or segments formed.
  • the metal bars 11 and/or segments, deposited on the feed channel 21, are briefly and quickly lifted by the positioning forks 22 so as to induce the metal bars 11 and/or segments to assume an orderly and substantially co-planar position.
  • the metal bars 11 and/or segments are fed toward the work apparatus and the feed channel 21 is prepared to feed new metal bars 1 1 and/or segments.
  • the feed device 10 also comprises an accumulation shelf 27, interposed between the translator member 16 and the feed channel 21, and able to define an intermediate store in which the metal bars 11 and/or segments are positioned, substantially continuously, at exit from the translator member 16.
  • the accumulation shelf 27 thus functions as a store and disassociates the operativeness of the translator member 16 from that of the feed channel 21, making them completely independent of each other.
  • the accumulation shelf 27 is selectively rotatable to overturn the metal bars 11 and/or bars contained therein, inside the feed channel 21. It is also clear that, although the present invention has been described with reference to specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of feed device for metal bars, and relative feed method, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Accessories And Tools For Shearing Machines (AREA)
  • Processing Of Terminals (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • General Induction Heating (AREA)

Abstract

L'invention concerne un dispositif (10) et un procède destinés à alimenter en barres métalliques (11) un appareil de travail. Le dispositif (10) comporte des moyens de rétention (12, 13) dans lesquels les barres métalliques (11) sont disposées en faisceaux respectifs et un moyen de chargement (15) servant à saisir une ou plusieurs barres métalliques (11) et à les extraire des faisceaux respectifs dans une direction de chargement (D) déterminée. Le dispositif (10) comporte également un organe translateur (16) disposé indépendamment et en aval du moyen de chargement (15) et configuré de façon à recueillir, par groupes déterminés, les barres métalliques (11) sortant du moyen de chargement (15). L’organe translateur (16) est capable de déplacer les groupes de barres métalliques (11) ainsi formés dans une direction de translation (T), transversale à la direction de chargement (D), jusqu’à ce qu’ils soient amenés à une position latérale par rapport au moyen de chargement (15), à partir de laquelle ils sont introduits dans l’appareil de travail. Le moyen de chargement (15) comporte une unité de cisaillement (25) servant à diviser sélectivement les barres métalliques (11) saisies en segments de longueur souhaitée, afin de les introduire sous la forme de segments dans l’organe translateur (16).
PCT/EP2009/063149 2008-10-10 2009-10-09 Dispositif d’alimentation en barres métalliques et procédé d’alimentation associé WO2010040820A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000212A ITUD20080212A1 (it) 2008-10-10 2008-10-10 Dispositivo alimentatore per barre metalliche, e relativo procedimento di alimentazione
ITUD2008A000212 2008-10-10

Publications (1)

Publication Number Publication Date
WO2010040820A1 true WO2010040820A1 (fr) 2010-04-15

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IT (1) ITUD20080212A1 (fr)
WO (1) WO2010040820A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111801176A (zh) * 2017-12-22 2020-10-20 Acm自动建设机械股份有限公司 加工棒材的设备和方法
WO2021052770A1 (fr) * 2019-09-18 2021-03-25 Sandvik Materials Technology Deutschland Gmbh Système de transport pour un tube, un fil ou une tôle métallique, et procédé pour délivrer un tube, un fil ou une tôle métallique
CN113275488A (zh) * 2021-05-09 2021-08-20 张建军 一种建筑钢筋冲剪机

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893357A (en) * 1972-07-18 1975-07-08 Helmut Zahlaus Process for cutting reinforcing steel bars for steel concrete and a bar cutting machine for effecting the process
FR2533477A1 (fr) * 1982-09-27 1984-03-30 Automatismi Electronici Procede et installation de decoupage de barres metalliques en troncons de longueur moindre
JPH0475916A (ja) * 1990-07-16 1992-03-10 Asahi Chem Ind Co Ltd 鉄筋の供給方法と装置
EP0475048A1 (fr) * 1990-09-12 1992-03-18 M.E.P. Macchine Elettroniche Piegatrici S.p.A. Dispositif d'entraînement pour une banc de coupe
FR2675065A1 (fr) * 1991-04-15 1992-10-16 Chemical Paul Procede et installation de coupe de barres metalliques.
EP1738843A1 (fr) * 2005-06-27 2007-01-03 M.E.P. Macchine Elettroniche Piegatrici S.p.A. Dispositif d'alimentation pour des barres métalliques et méthode correspondante

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893357A (en) * 1972-07-18 1975-07-08 Helmut Zahlaus Process for cutting reinforcing steel bars for steel concrete and a bar cutting machine for effecting the process
FR2533477A1 (fr) * 1982-09-27 1984-03-30 Automatismi Electronici Procede et installation de decoupage de barres metalliques en troncons de longueur moindre
JPH0475916A (ja) * 1990-07-16 1992-03-10 Asahi Chem Ind Co Ltd 鉄筋の供給方法と装置
EP0475048A1 (fr) * 1990-09-12 1992-03-18 M.E.P. Macchine Elettroniche Piegatrici S.p.A. Dispositif d'entraînement pour une banc de coupe
FR2675065A1 (fr) * 1991-04-15 1992-10-16 Chemical Paul Procede et installation de coupe de barres metalliques.
EP1738843A1 (fr) * 2005-06-27 2007-01-03 M.E.P. Macchine Elettroniche Piegatrici S.p.A. Dispositif d'alimentation pour des barres métalliques et méthode correspondante

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111801176A (zh) * 2017-12-22 2020-10-20 Acm自动建设机械股份有限公司 加工棒材的设备和方法
JP2021507811A (ja) * 2017-12-22 2021-02-25 ア・チ・エンメ・エッセエルレエルレ・オートマティズミ・コストルツィオーニ・メカニケＡ．Ｃ．Ｍ． Ｓｒｌ Ａｕｔｏｍａｔｉｓｍｉ Ｃｏｓｔｒｕｚｉｏｎｉ Ｍｅｃｃａｎｉｃｈｅ 棒材を加工する装置及び方法
EP3727720B1 (fr) 2017-12-22 2021-12-08 M.E.P. Macchine Elettroniche Piegatrici S.p.A. Appareil et procédé de travail de barres
JP7254808B2 (ja) 2017-12-22 2023-04-10 エム・イー・ピー・マシーネ・エレトロニーチェ・ピエガトリーチ・エス・ピー・エイ 棒材を加工する装置及び方法
US11633776B2 (en) * 2017-12-22 2023-04-25 M.E.P.—Macchine Elettroniche Piegatrici S.P.A. Apparatus and method for working bars
CN111801176B (zh) * 2017-12-22 2023-10-27 Mep意大利美普机械制造有限公司 加工棒材的设备和方法
WO2021052770A1 (fr) * 2019-09-18 2021-03-25 Sandvik Materials Technology Deutschland Gmbh Système de transport pour un tube, un fil ou une tôle métallique, et procédé pour délivrer un tube, un fil ou une tôle métallique
CN113275488A (zh) * 2021-05-09 2021-08-20 张建军 一种建筑钢筋冲剪机

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