EP0484782B1 - Presse à refouler pour réduire la largeur des brames dans des trains dégrossisseurs à chaud à larges bandes - Google Patents

Presse à refouler pour réduire la largeur des brames dans des trains dégrossisseurs à chaud à larges bandes Download PDF

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Publication number
EP0484782B1
EP0484782B1 EP91118342A EP91118342A EP0484782B1 EP 0484782 B1 EP0484782 B1 EP 0484782B1 EP 91118342 A EP91118342 A EP 91118342A EP 91118342 A EP91118342 A EP 91118342A EP 0484782 B1 EP0484782 B1 EP 0484782B1
Authority
EP
European Patent Office
Prior art keywords
press
upsetting
crankcase
drive
upsetting press
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
EP91118342A
Other languages
German (de)
English (en)
Other versions
EP0484782A2 (fr
EP0484782A3 (en
Inventor
Gerhard Heitze
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
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, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Publication of EP0484782A2 publication Critical patent/EP0484782A2/fr
Publication of EP0484782A3 publication Critical patent/EP0484782A3/de
Application granted granted Critical
Publication of EP0484782B1 publication Critical patent/EP0484782B1/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
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0035—Forging or pressing devices as units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/04—Shaping in the rough solely by forging or pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0035—Forging or pressing devices as units
    • B21B15/0042—Tool changers

Definitions

  • the invention relates to an upsetting press for reducing the width of rolling stock, in particular the slab width in hot wide strip roughing mills, with tool carriers accommodating pressing tools arranged on both sides of the slab edge, which can be moved in the direction of reduction with the aid of at least one crank drive, the crank drive and a feed drive in a crankcase are arranged.
  • pressing tools are arranged on both sides of the slab edge to reduce the width of slabs in a hot wide strip roughing mill, which are received by tool carriers.
  • each pressing tool with the associated tool carrier is moved with the aid of a steering system actuated by a crank mechanism in the direction of reducing the width of the slab, the crank mechanism being arranged in its crankcase.
  • the crank mechanism consists of two driven eccentric shafts; A connecting rod is mounted on each eccentric shaft; its connecting rod head is with the tool carrier for transmission of the upsetting forces in connection.
  • a feed drive acting essentially in the direction of the slab feed acts on the tool carrier.
  • the feed drive is designed as a hydraulic cylinder
  • the traversing movement of the hydraulic cylinder can be controlled particularly advantageously in the form of a path-time function so that the synchronization of the movement of the pressing tool with the movement of the slab to be pressed laterally is ensured for any feed size.
  • This upsetting press enables the width of the slab to be continuously reduced to values specified by rolling technology.
  • the advantageous construction of the upsetting press ensures its high availability, so that there is a high productivity of the rolling mill in which the upsetting press is integrated.
  • the object of the present invention is to further improve the compression press described above, in particular to shorten its maintenance times and to reduce the maintenance effort and to further increase the productivity of the rolling mill.
  • the generic upsetting press is characterized in that the crankcase with crank drive and feed drive and with the tool carrier are combined to form a structural unit, and that this structural unit can be moved laterally and approximately parallel to the slab movement on a rail arrangement through a stand window of the horizontal press frame, in particular by means of a displacement device.
  • this structural unit can be moved laterally and approximately parallel to the slab movement on a rail arrangement through a stand window of the horizontal press frame, in particular by means of a displacement device.
  • a further improvement in the maintenance and control of the highly stressed rotating parts of the crank mechanism results when the assembly which has been moved out of the upsetting press can be moved on a further rail arrangement approximately transversely to the slab movement. All machine parts that are maintenance-intensive or subject to inspection are thus even more accessible.
  • This accessibility and the displacement of the assembly from the compression frame is also improved in that the foundation supports for the spur gear arranged above the compression press in a gear housing are only present on one side and there is no foundation support on the site facing the construction site.
  • the tool carrier In order to stabilize the structural unit during transport from the compression press or into the compression press, the tool carrier is connected to the crankcase by means of a support bracket. Since, during operation of the upsetting press, the tool carrier is mounted on a slide with slide plates arranged in the press frame, the tool carrier must be lifted off these slide plates when the entire structural unit is extended, since the slide remains in the press frame.
  • the tool carrier is lifted by means of the connecting elements of the support bracket arranged on the crankcase, preferably on the bearing shells of the crank mechanism, such as, for example, wedge-shaped screw connections.
  • crankcase which is guided on sliding plates in the press frame between the uprights, is held on the lower uprights on both sides by heavy guiding elements.
  • These guide elements must be removed at least towards the site so that the assembly can be pushed out of the press frame.
  • these guide elements remain arranged on the upright and can be lowered in the direction of the press foundation by means of an elongated hole guide, for which purpose corresponding screw connections must be loosened in the elongated holes.
  • crank mechanism connection of the crank mechanism to the cardanic drive shafts arranged between the transmission and the eccentric shafts is released as close as possible to the crankcase, so that the above-mentioned structural unit can be pushed out of the press frame as simply and freely as possible. Since the crankcase in a short time from the adjusting device and from the Stand cross member supported balancing device must be separated from the scaffold before extending, there is provided a detachable connection.
  • the drives of the inlet roller table on one inlet side of the slab into the upsetting press and the drives of the outlet roller table on the opposite outlet side of the slab from the upsetting press are arranged, and that the structural unit from the press stand can be moved into the drive-free side.
  • the roller table motors could be accommodated in the area where no dismantling of the motors is required for the expansion of the structural unit, so that during the maintenance of the structural unit, for example the bearings or the bearing bandages, the working roller table for the rolling production remains in operation and the slabs can be guided from the pusher furnace through the now open window of the press stand to the subsequent rolling stands for further processing.
  • FIG. 1 shows the longitudinal section through the overhanging upsetting press 1 for reducing the width of slabs 2 in a hot wide strip roughing mill, the slabs being fed almost continuously from a slab casting plant upstream of the upsetting press but not shown here.
  • the upsetting press has a horizontal stand 3 with the upper and lower uprights 4, 4 'and the crossbars 5, 5'.
  • a crankcase 6 is guided by a support device 7 supported on the upright 5, 5 'and by means of a balancing device likewise supported on the upright in the scaffolding stand 3 of the upsetting press 1.
  • the crankcase is adjusted using a mechanical adjustment.
  • a hydraulically acting piston-cylinder construction can also be used as the adjusting device.
  • Pressing tools 9 are arranged on a tool carrier 10 on both sides of the slab 2.
  • the pressing tool and the tool carrier have a reduction drive 11 acting perpendicular to the slab 2 and a feed drive 12 acting parallel to the slab 2.
  • the reduction drive and the feed drive are arranged in the crankcase 6.
  • the reduction drive is formed in that each tool carrier 10 can be moved essentially in the direction of the slab 2 to be reduced in width with the aid of a steering system which is actuated by two eccentric shafts 13 and which contains two connecting rods 14.
  • the feed drive 12, which acts essentially in the direction of the slab feed engages on the tool carrier 10 and is supported on the crankcase 6, in which the two eccentric shafts 13 are mounted.
  • the eccentric shafts are connected to cardan-mounted cardan shafts 15, which are connected to a spur gear 16.
  • the gear box 17 is held on a foundation support 18 above the upsetting press.
  • the input shaft 19 of the spur gear is coupled to a drive motor 20.
  • the foundation support 18 stands laterally from the upsetting press 1 on the foundation 21 and projects laterally with a head part 22 over the upsetting press 1.
  • the projecting head part carries the gear box with spur gear.
  • crankcase 6 with the crank drive 23 arranged in the crankcase and consisting of the eccentric shafts 13 and the connecting rods 14 and with the feed drive 12 and with the tool carrier 8 are combined to form a structural unit 24 (FIG. 2).
  • This structural unit can be moved laterally and approximately parallel to the slab movement on a rail arrangement 26 through a stand window 25 of the lying press frame 3.
  • This arrangement consists in the present example of two with sliding plates and spaced rail tracks 26 'with corresponding rail parts, which are arranged between the lower uprights 4.
  • the assembly 24 is displaced with the aid of a displacement device 27, for example a piston-cylinder unit 28.
  • Another rail arrangement 29 extends transversely to the slab movement, so that the assembly 24 is first pushed out of the compression frame on the rail arrangement 26 parallel to the slab movement and then can be moved on the rail arrangement 29 by a certain path transversely to the slab movement onto a freely accessible construction site.
  • the lying tool carrier 10 and the connecting rods 14 are slidably supported on a slide 30 with conventional type of sliding plates, not shown.
  • the tool carrier 10 is connected to the crankcase 6 with the aid of a support bracket 31, preferably to the bearing shells of the crank mechanism.
  • a support bracket 31 preferably to the bearing shells of the crank mechanism.
  • the tool carrier 10 can be lifted by the slide connected to the press stand 3 and supporting the tool carrier during operation or by its sliding plates 30.
  • the assembly 24 is prepared with the following disassembly measures for moving out of the press frame.
  • the guide elements 32 for the crankcase 6, which are arranged at least on the lower uprights 4 of the press frame 3, are lowered in the direction of the press foundation 21 in an elongated hole guide arranged in the guide elements.
  • the separating or connecting device 33 arranged between the crank mechanism 23 and the driving cardan shafts 15 is released. This can be done by a flange connection, which is arranged in the area between the upper edge of the crankcase 6 and the lower edge of the upper stator bars 4 'of the press frame.
  • adjusting device 7 supporting the crankcase 6 on the stator cross member 5 and the balancing device 8, which is also supported on the stator post 5, are detached from the plug housing by means of the detachable connection 34.
  • the latter can be displaced from the window of the scaffold stand on the rail arrangement 26 and 29 onto the construction site 35 by the displacement device 27.
  • Fig. 3 shows the site 35 lying to the side of the upsetting press 1, which is freely accessible from all sides, so that the maintenance or control of the highly stressed machine parts of the unit 24 such as bearings etc. can be carried out unimpeded and quickly.
  • the free accessibility of the building site 35 is achieved in that the drives 36 of the infeed roller table 37 are arranged exclusively on one inlet side 38 of the slab 2 in the upsetting press 1, and in that the drives 39 of the outlet roller table 40 on the opposite outlet side 41 the slab 2 from the upsetting press 1 are arranged so that the assembly 24 can be moved out of the press stand into the side free of the drives. So if a longer maintenance of the assembly 24 on the site 35 is required, the work roller tables on which the slab 2 are guided to the subsequent roll stands remain ready for operation, so that the roll production can also be carried out with another compression stand that has been moved into the rolling line without the upsetting press can be included.
  • the assembly of the assembly 24 in the upsetting press 1 is carried out in the reverse order to the disassembly measures described above.
  • the assembly 24 is pushed back from the site 35 on the rail arrangement 29, 26 into the stand window of the scaffold stand 3, the guide elements 32 are pulled upwards in the slot guide and anchored to the side; the balancing device and the adjusting device are coupled to the crankcase, the connecting device of the cardan shafts 15 and eccentric shafts 13 is coupled and the support bracket 31 which stabilizes the tool carrier 10 is released with the connecting elements in such a way that the tool carrier is lowered onto the sliding plates 30.
  • the upsetting press is then ready for operation.
  • the slab 2 arranged between the pressing tools 9 can be seen, which is moved during operation of the drive rollers 43 arranged on the inlet side 38 and the outlet side 41 through the upsetting press and during the upsetting from above and below the slab arranged holding rollers 43 is guided to avoid bulges.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Forging (AREA)
  • Press Drives And Press Lines (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Surgical Instruments (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Window Of Vehicle (AREA)

Claims (8)

  1. Presse à refouler (1) pour la réduction de la largeur de produits à laminer (2), en particulier de la largeur de brammes dans des trains dégrossisseurs à large bande laminée à chaud, comprenant des supports d'outils (10) disposés des deux côtés du produit à laminer, destinés à recevoir les outils de compression (9), lesdits supports d'outils pouvant être déplacés à l'aide d'au moins un mécanisme à bielle et à manivelle (23) dans le sens de la réduction, le mécanisme à bielle et à manivelle (23) et un entraînement d'avancement (12) étant disposés dans un carter (6), caractérisée en ce que le carter (6) comprenant le mécanisme à bielle et à manivelle (23) et l'entraînement d'avancement (12) forme une unité (24) avec le support d'outil (10) et en ce que cette unité (24) peut être déplacée à travers une fenêtre (25) des montants de la cage (3) couchée de la presse, latéralement et de manière environ parallèle au déplacement du produit à laminer sur un dispositif de rails (26, 29), en particulier au moyen d'un dispositif de déplacement (27).
  2. Presse à refouler selon la revendication 1, caractérisée en ce que l'unité (24) sortie de la presse à refouler (1) peut être déplacée sur un autre dispositif de rails (29) de manière environ transversale par rapport au déplacement du produit à laminer.
  3. Presse à refouler selon la revendication 1 ou 2, caractérisée en ce que le support d'outil (10) peut être relié au carter (6) au moyen d'une poutre support en porte-à-faux (31) de manière à stabiliser l'unité (24).
  4. Presse à refouler selon la revendication 1, 2 ou 3, caractérisée en ce que le support d'outil (10) peut être soulevé des plaques de glissement (30) reliées à la cage (3) de la presse et supportant le support d'outil durant le fonctionnement au moyen des éléments d'assemblage de la poutre support en porte-à-faux (31) disposés sur le carter, de préférence sur les coussinets de support (44) du carter (23).
  5. Presse à refouler selon au moins une quelconque des revendications 1 à 4, caractérisée en ce qu'au moins les éléments de guidage (32) pour le carter (6) disposés sur les longerons (4) inférieurs des montants de la cage (3) de la presse peuvent être abaissés vers les fondations de la presse (21), par exemple au moyen d'un guidage à trou longitudinal.
  6. Presse à refouler selon au moins une quelconque des revendications 1 à 5, caractérisée en ce que le carter (23) et l'arbre articulé d'entraînement (15) présentent un dispositif de séparation ou d'assemblage (33) qui est disposé entre le dessus du carter (6) et le dessous du longeron supérieur (4′) des montants de la cage (3) de la presse.
  7. Presse à refouler selon au moins une quelconque des revendications précédentes, caractérisée en ce que le carter (6) comprenant le dispositif de réglage (7) s'appuyant sur le longeron transversal (5, 5′) des montants ainsi que le dispositif d'équilibrage (8) qui s'y appuie également présentent chacun un assemblage (34) pouvant être accouplé.
  8. Presse à refouler selon au moins une quelconque des revendications précédentes, caractérisée en ce que les entraînements (36) des rouleaux d'introduction (37) sont disposés d'un côté d'introduction (38) du produit à laminer (2) dans la presse à refouler (1) et en ce que les entraînements (39) des rouleaux de sortie (40) sont situés du côté sortie (41) opposé du produit à laminer hors de la presse à refouler et en ce que l'unité (24) peut être déplacée hors de la cage (3) de la presse du côté chaque fois exempt d'entraînement.
EP91118342A 1990-11-03 1991-10-28 Presse à refouler pour réduire la largeur des brames dans des trains dégrossisseurs à chaud à larges bandes Expired - Lifetime EP0484782B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4035001 1990-11-03
DE4035001A DE4035001A1 (de) 1990-11-03 1990-11-03 Stauchpresse zur reduktion der breite von brammen in warmbreitband-vorstrassen

Publications (3)

Publication Number Publication Date
EP0484782A2 EP0484782A2 (fr) 1992-05-13
EP0484782A3 EP0484782A3 (en) 1993-01-13
EP0484782B1 true EP0484782B1 (fr) 1994-06-15

Family

ID=6417586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91118342A Expired - Lifetime EP0484782B1 (fr) 1990-11-03 1991-10-28 Presse à refouler pour réduire la largeur des brames dans des trains dégrossisseurs à chaud à larges bandes

Country Status (11)

Country Link
US (1) US5205148A (fr)
EP (1) EP0484782B1 (fr)
KR (1) KR0184290B1 (fr)
CN (1) CN1027741C (fr)
AT (1) ATE107200T1 (fr)
DE (2) DE4035001A1 (fr)
ES (1) ES2055507T3 (fr)
ID (1) ID857B (fr)
RU (1) RU1838010C (fr)
TW (1) TW205012B (fr)
UA (1) UA15927A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT404441B (de) * 1996-09-17 1998-11-25 Gfm Holding Ag Schmiedemaschine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665746A (en) * 1970-03-02 1972-05-30 Blaw Knox Co Combination rolling mill
US3841141A (en) * 1973-07-09 1974-10-15 S Rachwal Die changing apparatus
US4154074A (en) * 1978-02-27 1979-05-15 Morgan Construction Company Roll stand for a rod or bar rolling mill
JPS62124044A (ja) * 1985-11-22 1987-06-05 Kawasaki Steel Corp 熱間スラブの幅圧下プレス方法及び装置
JPS63313623A (ja) * 1987-06-12 1988-12-21 Ishikawajima Harima Heavy Ind Co Ltd 連続鋳片圧下装置
DE3837643A1 (de) * 1988-11-05 1990-05-10 Schloemann Siemag Ag Stauchpresse zur schrittweisen querschnittsaenderung von strangfoermigen metallkoerpern, bspw. brammen
DE3917398A1 (de) * 1989-05-29 1990-12-06 Schloemann Siemag Ag Fliegende stauchpresse
DE4029429A1 (de) * 1990-09-17 1992-03-19 Schloemann Siemag Ag Vorrichtung zum wechseln der presswerkzeuge einer stauchpresse

Also Published As

Publication number Publication date
EP0484782A2 (fr) 1992-05-13
TW205012B (fr) 1993-05-01
KR0184290B1 (ko) 1999-04-01
UA15927A (uk) 1997-06-30
CN1061170A (zh) 1992-05-20
KR920009474A (ko) 1992-06-25
DE59101938D1 (de) 1994-07-21
ID857B (id) 1996-08-05
ES2055507T3 (es) 1994-08-16
DE4035001A1 (de) 1992-05-07
US5205148A (en) 1993-04-27
CN1027741C (zh) 1995-03-01
ATE107200T1 (de) 1994-07-15
EP0484782A3 (en) 1993-01-13
RU1838010C (ru) 1993-08-30

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