EP0419447B1 - Méthode et dispositif pour décalaminage de barres d'acier rondes - Google Patents

Méthode et dispositif pour décalaminage de barres d'acier rondes Download PDF

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Publication number
EP0419447B1
EP0419447B1 EP90890263A EP90890263A EP0419447B1 EP 0419447 B1 EP0419447 B1 EP 0419447B1 EP 90890263 A EP90890263 A EP 90890263A EP 90890263 A EP90890263 A EP 90890263A EP 0419447 B1 EP0419447 B1 EP 0419447B1
Authority
EP
European Patent Office
Prior art keywords
bars
advancing
installation according
conveyor
steel bars
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
EP90890263A
Other languages
German (de)
English (en)
Other versions
EP0419447A1 (fr
Inventor
Gerhard Dipl.-Ing. Dr. Ritter
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.)
AVI Alpenlaendische Veredelungs Industrie GmbH
Original Assignee
AVI Alpenlaendische Veredelungs Industrie GmbH
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 AVI Alpenlaendische Veredelungs Industrie GmbH filed Critical AVI Alpenlaendische Veredelungs Industrie GmbH
Publication of EP0419447A1 publication Critical patent/EP0419447A1/fr
Application granted granted Critical
Publication of EP0419447B1 publication Critical patent/EP0419447B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/004—Transverse moving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B21B43/003—Transfer to bed

Definitions

  • the invention relates to a method for descaling round steel bars, in particular hot-rolled steel bars, in which a group of steel bars is lifted together, shifted horizontally while maintaining their mutual relative position, placed on a roller table and conveyed by means of the roller table through a descaling device; the invention further relates to a plant for performing the method.
  • DD-PS 60,956 the feeding of a descaling device with rod material is known, in which several devices with one carriage each are provided parallel to a roller table of the descaling device, all of the carriages being movable together horizontally.
  • a saddle which can be raised and lowered by a curved track, is arranged on each car and is equipped with interchangeable brackets adapted to the profile to be descaled.
  • the ready material is grasped with the help of this device, raised a little and, after a horizontal displacement by means of the trolleys, placed on the roller table of the descaling device.
  • the roller table then conveys the material through the blasting chamber of the descaling device.
  • the main disadvantage of this procedure is that the feed of the steel bars depends on the working speed of the descaling device and that a continuously adjustable transverse distance between the steel bars cannot be provided.
  • the object of the invention is to avoid the disadvantages of the prior art and to provide a method and a system for carrying out the same, with which a flawless supply of steel rods with an infinitely variable transverse spacing of the rods from the feed device operating at a relatively high speed is achieved in a simple manner to the relatively slow descaling device.
  • the method according to the invention has the features that the steel bars are in succession while maintaining a selectable transverse distance be dropped onto a feed device that moves continuously in the transverse direction of the bar and the set of bars is lifted from these continuously moving steel bars and after the horizontal displacement onto the roller table in the longitudinal direction of the bar while keeping the predetermined relative position of the bars, the descaling device in which the bars are transferred in the descaled substantially over their entire scope.
  • the rods are preferably aligned in the transverse direction of the rod and preferably also in the longitudinal direction of the rod after they have been applied to the feed device.
  • a system designed according to the invention for carrying out the method with a feed device for round steel bars and a device connected downstream for feeding the bars with a mutual transverse spacing, with transport combs, which are arranged on a transport carriage in a height-adjustable manner for lifting coulters from the feed device, with one device for receiving the rods from the transport combs and for transferring the rods in the longitudinal direction of the rod to a descaling device, and with a control device for the feed device, the transport combs and the transfer device is characterized in that above the feed device, as is known per se, has a rod end at its end from the laterally arranged feed device, the bar ejection device is arranged such that the bar ejection device has at least one pivotable chute for receiving a bar and has a discharge channel open to the feed device, the pivoting movement of the discharge channel being able to be matched to the conveying movement of the feed device by means of the control device such that the rods can be deposited on the feed device with a selectable transverse
  • the transfer device is preferably designed as a roller table with a plurality of drivable rollers which, as is known per se, can be pushed through by the transport combs for transferring the rods.
  • the guide device is formed by a lower roller with a roughened, preferably grooved surface and an upper pressure roller which can be adjusted against the lower roller.
  • the discharge channel of the discharge device ends near the feed device and can be closed in the conveying direction of the feed device by a height-adjustable stop that can be actuated by means of a positioning device.
  • an end position monitor controlling the lifting movement of the transport combs is advantageously provided at the end of the feed device facing away from the discharge channel.
  • the supply device can be preceded by a supply device with two magazines for pre-cut steel bars and can be moved in the transverse direction of the bar, the feed device preferably containing a cutting device.
  • a supply device with at least one round steel material supply drum with a subsequent straightening device can be connected upstream of the feed device, the feed device containing a cutting device.
  • a rod S in its longitudinal direction P2 is one Feed device 3, which is provided with feed rollers (not shown), a length measuring device and scissors, is fed to a discharge device 4 with a discharge channel K which is open at the bottom.
  • the rods S fall individually onto a horizontally arranged feed device 5, which consists of a plurality of parallel conveyor belts 6 arranged at a distance from one another.
  • the conveyor belts 6 are guided by a drive roller 7 which is common to all conveyor belts and driven in the direction of the arrow P 1 and by a deflection roller 8 per conveyor belt 6.
  • a corresponding control command is given to the transport combs 10 so that they are lifted simultaneously and in parallel in the direction of the arrow P5 and the rods S lift off the conveyor belts 6.
  • the length of the transport combs 10 is selected so that all the bars S to be processed are securely gripped.
  • the surfaces 10 ′ of the transport combs 10 are grooved in order to prevent the rods S from slipping in the transverse direction during the movements of the transport combs 10.
  • the roller table 13 consists of several separate rollers 12, which are mounted on a common frame 16, and are driven individually or in groups via driven connecting chains 17.
  • a roller 18 of the roller table 13 adjacent to the descaling device 14 has a grooved surface 18 '.
  • the transport carriage 9 moves with the transport combs 10 in the lowered position from the position 103 in the direction of the arrow P9 into the starting position 101 (FIG. 2).
  • the discharge device 4 has two discharge channels 20, each of which receives a rod.
  • the rod S passes through the discharge channel K to the feed device 5 and is horizontally conveyed away from the discharge channel K in the direction of the arrow P3.
  • the ejection movement of the rod S in the direction of the arrow P11 is preferably done by gravity, but can also be accelerated by additional, not shown deflection fingers.
  • the discharge channel K ends as close as possible to the conveyor belts 6 of the feed device 5 in order to position the falling rods as precisely as possible on the conveyor belts 6.
  • a positioning device 21 with a plurality of stop bolts 22, which can be adjusted in accordance with the double arrow P 12, which are each located between the conveyor belts 6 and extend the discharge channel K downwards on the outlet side.
  • the pivoting movement of the discharge chute 20 is matched to the conveying speed of the conveyor belts 6 of the feed device 5 in such a way that the bars S approximately fall onto the conveyor belts 6 with the transverse distance desired for the descaling device 14. If two discharge channels 20 are used, these are preferably actuated alternately. Sloping bars are moved by means of the positioning device 21 while the conveyor belt is running aligned.
  • control device mentioned also controls all controllable devices and their movements, such as the displacement of the supply device 1, the feed device 3, the discharge device 4, the feed device 5, the method of the transport carriage 9, the vertical displacement of the transport combs 10, the transfer roller table 13, the conveyor device 15 , and the positioning device 21 with the stop pin 22nd
  • Fig. 1 it is possible within the scope of the invention to provide a plurality of storage magazines 1 ', 1' ', one storage magazine 1' being in the transfer position to the feed device 3, while the other storage magazine 1 '' is to be loaded with rods is ready.
  • the rod material can be supplied directly from supply drums or reels into the supply device 3 via a straightening system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Metal Extraction Processes (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Claims (12)

  1. Procédé pour le décalaminage de barres d'acier rondes (S), en particulier des barres d'acier laminées à chaud, suivant lequel un groupe de barres d'acier (S) est soulevé d'un bloc, est déplacé horizontalement tout en maintenant les positions relatives mutuelles des barres, est déposé sur un train de rouleaux (13) et, à l'aide de ce train de rouleaux (13), est transporté à travers un dispositif de décalaminage (14), caractérisé par le fait qu'on laisse tomber les barres d'acier (S), les unes après les autres, en respectant une distance transversale choisie entre elles, sur un dispositif d'avancement (5) en mouvement continu dans le sens transversal des barres et que, parmi ces barres d'acier (S) progressant de manière continue, on soulève le groupe de barres (S) et, après le déplacement horizontal sur le train de rouleaux (13) dans le sens longitudinal des barres, tout en maintenant les positions relatives prédéterminées des barres (S), on transfère ce groupe, guidé par épousement de forme, au dispositif de décalaminage (14) dans lequel les barres (S) sont décalaminées en substance sur l'ensemble de leur périphérie.
  2. Procédé suivant la revendication 1, caractérisé par le fait que les barres (S), après leur mise en place sur le dispositif d'avancement (5), sont orientées dans leur sens transversal et, de préférence, également dans leur sens longitudinal.
  3. Installation pour la mise en oeuvre du procédé suivant la revendication 1 ou 2, comprenant un dispositif d'alimentation (3) pour des barres d'acier rondes (S) et un dispositif (5) prévu en aval de celui-ci pour faire avancer les barres (S) à distance transversale les unes des autres, des peignes transporteurs (10) qui sont disposés déplaçables en hauteur sur un chariot transporteur (9) pour enlever, en les soulevant, des groupes de barres du dispositif d'avancement (5), un dispositif (13) pour recevoir les barres (S) des peignes transporteurs (10) et pour transférer ces barres (S) dans leur sens longitudinal à un dispositif de décalaminage (14), et un dispositif de commande pour le dispositif d'avancement (5), les peignes transporteurs (10) et le dispositif de transfert (13), caractérisée par le fait que, au-dessus du dispositif d'avancement (5), à son extrémité de réception des barres, est installé un dispositif de distribution (4) alimenté par le dispositif d'alimentation (3) disposé latéralement ; par le fait que le dispositif (4) de distribution de barres comporte au moins un conduit de déchargement pivotant (20) destiné à recevoir chaque fois une barre (S), et un canal de déchargement (K) ouvert en direction du dispositif d'avancement (5), le mouvement de pivotement (P₁₀) du conduit de déchargement (20) pouvant être synchronisé à l'aide du dispositif de commande, avec le mouvement de transport (P₃) du dispositif d'avancement (5), d'une manière telle que les barres (S) puissent être déposées sur le dispositif d'avancement (5) à une distance transversale choisie ; et par le fait qu'en aval du dispositif de transfert (13), est prévu un dispositif de guidage (18) pour l'introduction guidée par épousement de forme des barres (S) dans le dispositif de décalaminage (14).
  4. Installation suivant la revendication 3, caractérisée par le fait que le dispositif d'avancement (5) comporte plusieurs unités parallèles de transport sans fin (6).
  5. Installation suivant la revendication 3 ou 4, caractérisée par le fait que les peignes transporteurs (10), pouvant être insérés entre les unités de transport (6) du dispositif d'avancement (5), sont espacés de distances mutuelles différentes.
  6. Installation suivant l'une quelconque des revendications 3 à 5, caractérisée par le fait que la surface (10') des peignes transporteurs (10) est rendue rugueuse, de préférence rainurée.
  7. Installation suivant l'une quelconque des revendications 3 à 6, caractérisée par le fait que le dispositif de transfert a la forme d'un train de rouleaux (13) composé de plusieurs rouleaux pouvant être entraînés, qui peut être traversé par les peignes transporteurs (10) pour le transfert des barres.
  8. Installation suivant l'une quelconque des revendications 1 à 7, caractérisée par le fait que le dispositif de guidage est formé par un rouleau inférieur (18) dont la surface (18') est rendue rugueuse, de préférence rainurée, et par un rouleau presseur supérieur (19) qui peut être serré contre le rouleau inférieur.
  9. Installation suivant l'une quelconque des revendications 3 à 8, caractérisée par le fait que le canal de déchargement (K) du dispositif de distribution (4) se termine à proximité du dispositif d'avancement (5) et peut être fermé, dans le sens de transport (P₃) du dispositif d'avancement, à l'aide d'une butée (22) déplaçable en hauteur et pouvant être actionnée sous la commande d'un dispositif de positionnement (21).
  10. Installation suivant l'une quelconque des revendications 3 à 9, caractérisée par le fait qu'à l'extrémité du dispositif d'avancement (5) tournée à l'opposé du canal de déchargement (K), est prévu un détecteur de position d'extrémité (11) commandant le mouvement de soulèvement (P₅) des peignes transporteurs (10).
  11. Installation suivant l'une quelconque des revendications 3 à 10, caractérisée par le fait qu'en amont du dispositif d'alimentation (3), est prévu un dispositif de stockage (1) comprenant deux magasins (1', 1'') pour des barres d'acier préalablement coupées à longueur, et pouvant être déplacé dans le sens transversal des barres, le dispositif d'alimentation (3) comprenant de préférence un dispositif de coupe.
  12. Installation suivant l'une quelconque des revendications 3 à 10, caractérisée par le fait qu'en amont du dispositif d'alimentation (3), est prévu un dispositif de stockage (1) comprenant au moins un tambour d'alimentation d'acier en barre ronde, suivi d'un dispositif redresseur, le dispositif d'alimentation (3) comprenant un dispositif de coupe.
EP90890263A 1989-09-20 1990-09-17 Méthode et dispositif pour décalaminage de barres d'acier rondes Expired - Lifetime EP0419447B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2204/89 1989-09-20
AT0220489A AT394324B (de) 1989-09-20 1989-09-20 Verfahren und anlage zum entzundern von rundstahlstaeben

Publications (2)

Publication Number Publication Date
EP0419447A1 EP0419447A1 (fr) 1991-03-27
EP0419447B1 true EP0419447B1 (fr) 1993-07-21

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ID=3529934

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90890263A Expired - Lifetime EP0419447B1 (fr) 1989-09-20 1990-09-17 Méthode et dispositif pour décalaminage de barres d'acier rondes

Country Status (4)

Country Link
EP (1) EP0419447B1 (fr)
AT (2) AT394324B (fr)
DE (1) DE59002022D1 (fr)
ES (1) ES2020910A4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107597855A (zh) * 2017-10-19 2018-01-19 中国重型机械研究院股份公司 一种批量化坯料自动送料装置

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* Cited by examiner, † Cited by third party
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IT1290711B1 (it) * 1997-01-22 1998-12-10 Simac Spa Dispositivo per lo scarico ad alta velocita' in placca di barre e profili in impianti di laminazione
IT1318893B1 (it) * 2000-09-15 2003-09-19 Danieli & Co Ohg S P A Dispositivo per il trattamento in linea di prodotti metallici laminati
CN102240682B (zh) * 2011-05-05 2013-10-09 安阳市合力高速冷轧有限公司 自动穿丝上料架
CN109382768B (zh) * 2018-11-15 2023-12-15 江苏诚德钢管股份有限公司 中小口径无缝管内表面高压水射流冷态的除鳞设备

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Publication number Priority date Publication date Assignee Title
DD60956A (fr) *
US2635738A (en) * 1949-04-19 1953-04-21 Aluminum Co Of America Metal drawing apparatus
AT248993B (de) * 1962-08-31 1966-08-25 Siemag Siegener Masch Bau Anlage zum Stapeln und Schachteln von Walzgut mit unterschiedlichen Querschnittsformen, wie beispielsweise T-, U- und Winkeleisen
NL299037A (fr) * 1963-08-21 1900-01-01
DD147603A3 (de) * 1979-10-31 1981-04-15 Ernest Grzondziel Automatische drahtschneide-und auflegevorrichtung zur buerstenherstellung
DD201255A1 (de) * 1981-08-31 1983-07-13 Guenter Estenfelder Kuehlbett fuer walzstaebe
DD213856B1 (de) * 1983-02-24 1991-01-17 Konstrktuinsbuero F Walzwerke Distanziervorrichtung fuer walzstaebe aus profil- und stabstahl
DD227345A1 (de) * 1984-10-18 1985-09-18 Thaelmann Schwermaschbau Veb Einrichtung zum abfoerdern von walzgutlagen von einem rechenkuehlbett
DE3644650C2 (de) * 1986-12-29 1994-09-29 Voest Alpine Ind Anlagen Klapprinne zur Überführung gewalzter Stahlstäbe auf ein Kühlbett
DE8703116U1 (fr) * 1987-02-26 1987-04-16 Mannesmann Ag, 4000 Duesseldorf, De

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107597855A (zh) * 2017-10-19 2018-01-19 中国重型机械研究院股份公司 一种批量化坯料自动送料装置

Also Published As

Publication number Publication date
DE59002022D1 (de) 1993-08-26
ATE91649T1 (de) 1993-08-15
ATA220489A (de) 1991-09-15
AT394324B (de) 1992-03-10
ES2020910A4 (es) 1991-10-16
EP0419447A1 (fr) 1991-03-27

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