EP0113039B1 - Auflaufrollgang vor Kühlbetten zum Überleiten von nacheinander auflaufenden Walzgutteillängen - Google Patents

Auflaufrollgang vor Kühlbetten zum Überleiten von nacheinander auflaufenden Walzgutteillängen Download PDF

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Publication number
EP0113039B1
EP0113039B1 EP83111808A EP83111808A EP0113039B1 EP 0113039 B1 EP0113039 B1 EP 0113039B1 EP 83111808 A EP83111808 A EP 83111808A EP 83111808 A EP83111808 A EP 83111808A EP 0113039 B1 EP0113039 B1 EP 0113039B1
Authority
EP
European Patent Office
Prior art keywords
roller bed
chute
length
switch
section
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
Application number
EP83111808A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0113039A2 (de
EP0113039A3 (en
Inventor
Hugo Dr. Feldmann
Theodor Gipperich
Hans Kirchhoff
Rolf Stodt
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.)
SMS Siemag AG
Original Assignee
SMS Schloemann Siemag AG
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 SMS Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Priority to AT83111808T priority Critical patent/ATE23460T1/de
Publication of EP0113039A2 publication Critical patent/EP0113039A2/de
Publication of EP0113039A3 publication Critical patent/EP0113039A3/de
Application granted granted Critical
Publication of EP0113039B1 publication Critical patent/EP0113039B1/de
Expired 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2074—Including means to divert one portion of product from another
    • Y10T83/2083—Deflecting guide
    • Y10T83/2085—Positionable gate in product flow path

Definitions

  • the invention relates to a roll-up run in front of cooling beds for transferring successive lengths of rolled material according to the preamble of claim 1.
  • the separating strip When the head end of a rolled part length runs into the pivotable switch section, the separating strip is raised in the following channel section, so that the fixed longitudinal channel section is separated from the liftable and lowerable brake slide section and the rolled part length only after it has run up far enough in the fixed channel section the conveyor plane inclined towards the cooling bed transversely to the conveying direction after the separating strips have been lowered into the longitudinal brake slide section.
  • the tail end of the leading partial length is still drawn into the longitudinal brake slide section via the raised separating strip, whereby , due to the upper edge of the separating strip, an impairment of the surface of the tail end is inevitable. Furthermore, at higher run-up speeds of the rolled part length, there is a risk of the tail end being whipped when the raised separating strip overflows or the tail end swallowing at the foremost separation strip.
  • the separation of the leading tail end from the trailing head end of a strand of rolled material with a round cross-section divided by a pair of scissors is normally not problematic, as long as these lengths of rolled material with a round cross-section are guided, for example, in closed pipe guides and wound into coils on reels.
  • the separating switch can be changed over to the new rolling stock guide before the head end of the following rolled stock length expires, so that the tail end of the leading rolled stock length is still S-shaped in the pipe guide and cannot be whipped or jumping out.
  • the rolling stock guides are U-shaped open at the top and inclined towards the cooling bed side.
  • round, flat, angle and U-section bars of different cross-sectional dimensions run on, so that the rolling stock guides must be designed to be relatively wide. Up to approx. 14 m / sec run-up speed, it is possible to completely separate the consecutive ends of the rolled material from the following rod tips by deflecting the rod tip, by using swords to be lifted shortly before the arriving rod tip, or wedge-shaped, liftable and lowerable, upstream of the brake slides Plates were distracted. The end of the leading length of the rolling stock is inevitably raised, which leads to malfunctions at higher speeds.
  • leading roller table rollers spin below the length of the rolling stock and thus result in higher roller wear and an impairment of the material surface. In the case of smaller remaining lengths, a gap cannot form at all, since these follow the leading partial length much earlier. Accordingly, cutting is no longer possible with very short remaining lengths.
  • the invention starts with the preamble of claim 1 from a device for the optional transfer of profile cross sections between continuous fine steel or Medium steel roller mills and downstream cooling beds according to the 'DE-A 1-2830806.
  • this device is designed to feed either one cooling bed from two parallel rolling lines assigned to a rolling mill at a time or to feed one or the cooling bed assigned to the other rolling line
  • this device points to each individual rolling line a switch a channel section on which is designed as a swivel roller table and can be swiveled in the horizontal plane about an outlet-side vertical swivel axis.
  • this pivoting movement is independent of the pivoting movements of the switch, because it only serves to connect a cooling bed to one or the other rolling line, depending on the rolling program, and does not contribute to the problem described at the beginning.
  • the object of the invention is to further develop the part of the run-up roller table following the switch in such a way that with dense, practically complete rod sequence and higher run-up speeds of the rolled part lengths, an operationally reliable separation and transfer, in particular, of the tail ends of the rolled part lengths from the switch into the longitudinal slide valve section in calm, upper f smile lap - Guaranteed running and in addition to get shorter run-up roller tables at higher speeds.
  • the advantage of such a device is that it enables reliable separation even with lengths of rolled material that successively run together at a higher speed. This is essentially achieved by the fact that, through the interaction of the switch and a downstream shorter channel section, the head end of a rolled part length that runs out of the switch initially in an arc-shaped path directed towards the lateral outer guide wall on the fixed longitudinal channel section and the slider of the shorter channel section that can be raised and lowered overcoming existing gap. The rolled part length then continues with the liftable and lowerable slider raised and, after lowering the liftable and lowerable slide and the longitudinal section with lifting and lowering separating means, slides transversely to the conveying direction into the roller conveyor following the shorter channel section into the longitudinal section with lifting and lowerable brake slides and the slide section over.
  • the lowered slider forms a U-shaped, lower-lying trough into which the tail end of the rolled part length can retract in a manner that is reliable and gentle on the surface, even if the switch is already reversed into the fixed longitudinal channel section before the head end of the following partial length runs out.
  • the surface quality of the finished products and the operational safety of the plant can be significantly improved at higher rolling speeds.
  • the switch is arranged on a sliding table movable about a vertical pivot axis transversely to the conveying direction.
  • the shorter channel section behind the switch is also arranged on a sliding table that can be moved transversely to the conveying direction about a vertical pivot axis.
  • the sliding tables of the switch and the shorter channel section are jointly articulated to an adjusting means at the mutually facing ends.
  • Compressed air nozzles directed against the fixed and / or against the channel bottom of the liftable and lowerable slide of the channel longitudinal section are arranged on the laterally vertical longitudinal walls of the fixed channel longitudinal section to accelerate the sliding movement of the partial length or to positively influence the smooth running of the tail end of the partial length in the trough.
  • the longitudinal section with fixed base plates of the conveyor roller table is funnel-shaped on the inlet side for reasons of better guidance of the incoming head end.
  • the overrun roller table is designed in its longitudinal section with lifting and lowering braking means on the inlet side with respect to the formation of the conveying plane from the lower low position of the trough-forming longitudinal section with lifting and lowering slides of the shorter channel section to the conveying plane of the longitudinal section with lifting and lowering braking means .
  • the shifting means of the shift tables of the switch and of the shorter channel section and of the guide walls of the switch are actuated, for example, depending on the cutting command of the part shears via a computer-controlled or time-controlled signal transmitter.
  • the overrun roller table between a last rolling stand G of a fine steel or medium steel rolling mill and a downstream cooling bed K is shown in principle in plan view and in cross section.
  • the roll strand to be divided runs out of the last roll stand G of a roll train.
  • the rolling stock runs in the conveying direction R on a ramp roller 2 with a fixed ramp 2a and in the conveying plane F with its longitudinal axis perpendicular to the conveying direction R in a horizontal plane arranged conveying rollers 2b to the cooling bed K.
  • the rolling stock is subdivided into lengths suitable for the cooling bed, in the following called partial lengths T.
  • the partial lengths T are transferred by means of a switch 5 which can be pivoted or moved in the horizontal plane to a further shorter separate channel section 8 which has a length of approx. 3 can have up to 6 m and more and is shorter than a conveyor roller table 9.
  • the switch 5 is fixed according to FIG. 2 on a sliding table 6a, which can be moved transversely to the conveying direction R about a vertical pivot axis C arranged on the inlet side.
  • the displacement table 6a is supported on rollers 32 which are rotatably mounted in support bearings 32a.
  • the lateral guide walls 5a, 5b of the switch 5 can also be pivoted in the horizontal plane about vertical axes a, b arranged on the inlet side.
  • hydraulic power means 7a, 7b are articulated as displacement drives via piston rods 7c, 7d at the outlet-side end of the guide walls 5a, 5b.
  • the shorter separate channel section 8 following FIG. 3, which follows the switch 5 in the conveying direction R, is divided into two parallel longitudinal sections 8a and 8b.
  • the longitudinal section 8a is designed as a fixed channel guide inclined to the adjacent longitudinal section 8b and the longitudinal section 8b is designed as a channel section according to FIGS. 3 and 5 which can be raised and lowered transversely to the conveying direction R in the same way.
  • the channel section 8 is mounted on the sliding table 6b, which is supported on rollers 33 rotatably mounted in support bearings 33a.
  • the shift table 6b is movable about the outlet-side vertical axis d in the horizontal plane transverse to the conveying direction R.
  • the channel guide 8b which can be raised and lowered, can be raised and lowered by means of a hydraulic power means 12 according to FIG.
  • Piston rod is articulated to a pivot lever 12a, which is seated on a shaft 13 in a rotationally fixed manner.
  • the supports which can be raised and lowered in the longitudinal section 8b are articulated with their supports to the free ends of levers 14 which are seated on the axle 13 in a rotationally fixed manner.
  • the fixed longitudinal section 8a is penetrated axially transversely to the conveying direction R by roller table rollers 19.
  • the channel section 8 is followed in the conveying direction R by a run-up roller table 9 leading up to the cooling bed K, which is divided into three parallel longitudinal sections 9a, 9b, 9c according to FIGS. 1 and 4.
  • a funnel-shaped tapering longitudinal section 9a Arranged on the side facing away from the cooling bed K is a funnel-shaped tapering longitudinal section 9a with solid base plates which extend at an angle to the conveying direction R.
  • a longitudinal section 9b with lifting and lowering separating means designed as separating strips.
  • a further longitudinal section 9c which consists of lifting and lowering base plates, which are also inclined at right angles to the conveying direction R, the so-called brake slides. is formed.
  • the three parallel longitudinal sections 9a, 9b, 9c are penetrated by roller table rollers 20 transversely to the conveying direction R. 4 shows the overrun roller table 9 in cross section.
  • the separating strips of the longitudinal section 9b and the brake slides of the longitudinal section 9c are un can be lifted and lowered depending on each other, in that the separating strips and the brake slides are articulated via angle levers 17, 18 which can be pivoted about axes 16, on the one hand via tabs 17a, 18a, to the separating strips and brake slides and, on the other hand, to pull rods (not shown).
  • FIG. 5 shows the inlet of the head end
  • FIG. 6 shows the passage of the middle part
  • FIG. 7 shows the passage of the tail end of a partial length T.
  • the separating strips of the longitudinal section 9b and the longitudinal section 8b which can be raised and lowered are lowered and the lateral guide walls 5a, 5b of the switch 5, as shown in FIG. 7, in this way pivoted about their vertical axes a, b by means of the force means 7a, 7b that the outlet opening of the switch 5 is directed into the lowered longitudinal section 8b.
  • the partial length T now runs from the longitudinal sections 8a and 9a as a result of the laterally inclined conveying plane under a sliding movement transverse to the conveying direction R into the trough-shaped longitudinal section 8b with its channel bottom, as shown in FIG.
  • the longitudinal section 8b which can be raised and lowered, lies with its channel bottom in the conveying plane F, below the conveying plane F when the lower lower position is lowered, and thus forms a trough into which the tail end is closed without can pull in whips. So that the rolled part length T can run smoothly from the lowered longitudinal section 8b to the level of the conveying plane F in the longitudinal section 9c with liftable and lowerable braking means, an inclined increase in the longitudinal section 9c, with the other braking means around the stroke h, and lowerable guide provided.
  • the longitudinal section 8b can be raised by the stroke h from its lower low position to its upper position, so that its lateral guide wall facing the longitudinal section 9a closes the gap to the longitudinal section 9a.
  • the longitudinal sections 8b, 9b, 9c, which can be raised and lowered, can take place as a function of the cutting command of the section shears 5 via a computer-controlled transmitter and signal transmitters controlled as a function of time or running speed.
  • wider roller table rollers 21 are arranged along the rolling material guide on the sliding table 6a in such a way that when the guide walls 5a, 5b are pivoted, as shown for example in FIG. 7, they are still within the roller width of the roller table rollers 21 and thus the partial length T is advanced from the roller table rollers 21.
  • the longitudinal section 8a is interspersed with fixed base plates of roller table rollers 19.
  • FIG. 9 shows an embodiment for the arrangement of the compressed air nozzles 10 and 10a along the outer and inner vertical side walls 24 and 25 of the longitudinal section 8a with fixed base plates.
  • the compressed air nozzles 10 are arranged in the lower region of the vertical side wall 24 and directed through a recess 22 transversely to the conveying direction onto the channel bottom of the longitudinal section 8a, while the compressed air nozzles 10a are fastened to a support wall 26 and via a funnel-shaped air duct 27 and a recess 28 in the lower side wall 25 of the longitudinal section 8a directed towards the groove bottom of the longitudinal section located in its lower low position with lifting and lowering base plates 8b.
  • the compressed air nozzles 10, 10a can be switched via valves V 1 , V 2 and connected to a compressed air supply 29 via hose lines 23, 23a.
  • the size of the displacement path of the displacement tables 6a, 6b for the common horizontal lateral deflection movement of the switch 5 and the channel section 8 can be adjusted depending on the bending stiffness of the respective profile cross section.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Accessories And Tools For Shearing Machines (AREA)
  • Metal Rolling (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Beans For Foods Or Fodder (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
EP83111808A 1982-12-03 1983-11-25 Auflaufrollgang vor Kühlbetten zum Überleiten von nacheinander auflaufenden Walzgutteillängen Expired EP0113039B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83111808T ATE23460T1 (de) 1982-12-03 1983-11-25 Auflaufrollgang vor kuehlbetten zum ueberleiten von nacheinander auflaufenden walzgutteillaengen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823244766 DE3244766A1 (de) 1982-12-03 1982-12-03 Auflaufrollgang vor kuehlbetten zum ueberleiten von nacheinander auflaufenden walzgutteillaengen
DE3244766 1982-12-03

Publications (3)

Publication Number Publication Date
EP0113039A2 EP0113039A2 (de) 1984-07-11
EP0113039A3 EP0113039A3 (en) 1984-09-26
EP0113039B1 true EP0113039B1 (de) 1986-11-12

Family

ID=6179726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83111808A Expired EP0113039B1 (de) 1982-12-03 1983-11-25 Auflaufrollgang vor Kühlbetten zum Überleiten von nacheinander auflaufenden Walzgutteillängen

Country Status (5)

Country Link
US (1) US4554813A (it)
EP (1) EP0113039B1 (it)
JP (1) JPS59110415A (it)
AT (1) ATE23460T1 (it)
DE (2) DE3244766A1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5301785A (en) * 1992-04-10 1994-04-12 Plesh Sr Ronald L Method for cooling plates and insert therefor
US5265711A (en) * 1992-04-10 1993-11-30 Plesh Sr Ronald L Plate transfer grid for cooling bed
US5472179A (en) * 1994-10-03 1995-12-05 Allor Manufacturing, Inc. Insert for cooling bed plate transfer grid
DE19626887A1 (de) * 1996-07-04 1998-01-15 Schloemann Siemag Ag Auflauf- und Abbremsvorrichtung, insbesondere für Mittelstahl-Walzprofile
US7069759B2 (en) * 2003-11-05 2006-07-04 Morgan Construction Company Bar delivery system and method
US7140221B2 (en) * 2004-04-21 2006-11-28 Morgan Construction Company Divide and chop shear arrangement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3228505A (en) * 1963-02-18 1966-01-11 Siemag Siegener Masch Bau Rod switch
US3602028A (en) * 1968-11-14 1971-08-31 Morgan Construction Co Transfer mechanism
US3968671A (en) * 1974-05-09 1976-07-13 Birdsboro Corporation Cooling bed method
US3951021A (en) * 1974-10-29 1976-04-20 Inland Steel Company Switching apparatus for elongated, hot rolled articles
US3972410A (en) * 1974-12-02 1976-08-03 Aetna-Standard Engineering Company Apparatus for diverting pipe to a plurality of beds or the like
DE2830806A1 (de) * 1978-07-13 1980-01-24 Schloemann Siemag Ag Einrichtung zum wahlweisen ueberleiten von biegsamen sowie relativ biegesteifen profilquerschnitten verschiedener querschnittsform zwischen kontinuierlichen feinstahl- bzw. mittelstahlwalzstrassen und nachgeordneten kuehlbetten
JPS6120678Y2 (it) * 1979-09-07 1986-06-21
JPS5844882Y2 (ja) * 1979-10-23 1983-10-12 日本鋼管株式会社 冷却床ランインテ−ブル

Also Published As

Publication number Publication date
EP0113039A2 (de) 1984-07-11
EP0113039A3 (en) 1984-09-26
ATE23460T1 (de) 1986-11-15
DE3244766A1 (de) 1984-06-07
US4554813A (en) 1985-11-26
JPS59110415A (ja) 1984-06-26
JPH0344847B2 (it) 1991-07-09
DE3367537D1 (en) 1987-01-02

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