EP0953385A1 - Richtmaschine für gewalzte Träger - Google Patents
Richtmaschine für gewalzte Träger Download PDFInfo
- Publication number
- EP0953385A1 EP0953385A1 EP99108207A EP99108207A EP0953385A1 EP 0953385 A1 EP0953385 A1 EP 0953385A1 EP 99108207 A EP99108207 A EP 99108207A EP 99108207 A EP99108207 A EP 99108207A EP 0953385 A1 EP0953385 A1 EP 0953385A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- straightening
- bush
- shaft
- piston
- machine according
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- ZINJLDJMHCUBIP-UHFFFAOYSA-N ethametsulfuron-methyl Chemical compound CCOC1=NC(NC)=NC(NC(=O)NS(=O)(=O)C=2C(=CC=CC=2)C(=O)OC)=N1 ZINJLDJMHCUBIP-UHFFFAOYSA-N 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- 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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
- B21D3/05—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work
Definitions
- the invention relates to a straightening machine for rolled beams, in particular H-beams, in which at least one of the two abuts the support flanges from the inside, is aligned axially adjustable by a straightening shaft, the one Alignment disc is firmly connected to the alignment shaft via a mounting bush, while the other straightening disc is fixed in position according to its setting dimension an adjustable sliding bush on the mounting bush - on the if necessary, several (up to three) straightening disks can be arranged - sits.
- a profile straightener of this type in which the outer or chamber dimensions of the Alignment disks can be changed by axially shifting one alignment disk through EP-B1 0 472 765.
- the sliding straightening disc is there on a sleeve or displacement sleeve concentrically overlapping the mounting bush arranged.
- the mounting bush or sleeve is connected to the Straightening shaft connected, and another wedge spring provides the connection between the Mounting bush and the outer sleeve or sliding bush.
- the mounting bush or sleeve is axially fixed by a pressure sleeve having a pin end concentrically surrounds the straightening shaft.
- this pressure sleeve rotatably a threaded sleeve with a thread formed on its outer surface arranged.
- a ring screwed onto this external thread is with the sliding bush connected to a rotation relative to a straightener frame to prevent instead the rotational movement in an axial Convert sliding movement of the sliding sleeve as soon as the adjustment motor in Operation is set.
- this alignment disc adjustment eccentrically more or less large Crowds on.
- the invention has for its object a generic straightening machine without to create the disadvantages mentioned, in particular with a simple structure To enable both the axial adjustability and the assembly and disassembly.
- Gag or thread gag This can come in from the outside radial bores of the two which are in alignment with one another Sockets are inserted or screwed. In this case, the entire Pull the unit off the straightening shaft journal and change the profile in the Rolling mill correspondingly prepared unit with set straightening discs change. So that when changing the external or chamber dimensions this can be set exactly, can be from the outside on the two straightening discs Measuring device are placed. This can be equipped so that when reached the desired dimension, a hydraulic valve is controlled, which the Movement process is interrupted because the pressure medium acting on the piston / cylinder unit is interrupted.
- a preferred embodiment of the invention provides that the sliding bush via an end with its shaft journal end on the piston rod of the piston / cylinder unit specified clamping bush rotatably connected to the straightening shaft and is axially adjustable by the piston / cylinder unit.
- the connection of the piston / cylinder unit, preferably arranged centrally in the directional shaft Clamping bushing producing the sliding bushing can be rotated with the straightening shaft advantageous due to a radially expandable and releasable friction element achieve that between the straightening shaft and the clamping bush on the Straightening shaft journal is arranged.
- Such couplings are on the market available and consist of a hollow bushing, in the interior of which a conical Ring piston can be moved hydraulically.
- one arranged on the shaft journal secures Bayonet ring the mounting bush in its set operating position, that of A counter means is associated with the shaft journal end.
- the bayonet ring and that Countermeasures do more than just secure the position of the straightening shaft straightened disc unit, but the one arranged in front of the bayonet ring Locking means, preferably a screw nut, also absorbs axial forces, if these are effective on the machine-side straightening disc.
- Axial forces in generally only act on the straightening disks from the outside during the Straightening process if such forces are caused by incorrect positioning of the straightening disc should appear from the outside, the screw nut in front of the bayonet ring.
- a hydraulic nut with a mechanical lock nut is on a roller section Between a fixing ring and the bayonet ring, a hydraulic nut with a mechanical lock nut (ring). With this you can go far greater force than would be the case with a mechanical counter that Press the assembly bushing over the bayonet ring onto the straightening shaft. Subsequently the locking device or the screw nut takes over the securing of the position mounted mounting bush, the pressure of the hydraulic nut afterwards can be drained.
- An advantageous variant of the invention provides that the adjustable Straightening washer on the sliding bushing temporarily securing a hydraulic unit is connected upstream.
- the adjustment of the sliding straightening counter mechanical Accordingly, mother becomes hydraulic in the sense of a conceptual identity with the preloaded bayonet by the hydraulic unit, which is only required on the construction site sufficient prestressing (approx. 50 t) is achieved so that the lock nut can be screwed onto the sliding bush. After preloading the straightening disc unit this hydraulic part or the clamping unit is removed again, whereupon the mechanical nut takes over the securing of the clamped position.
- the upper and lower straightening shafts 1 arranged thereon Alignment discs 2, 3, is in the semi-symmetrical representation according to FIG. 1 of the straightening pin 4 of a lower straightening shaft 1 is shown.
- the for straightening a hot rolled H-beam 35 cooperating with the lower straightening discs 2, 3 upper directional discs 2a, 3a are only indicated schematically.
- a mounting bush 6 is wedged over a feather key 5, on which the rear straightening disc 2 is fixed by means of a mechanical nut 7.
- the front or in Fig. 1 right-hand target 3 is in the direction of the two arrows designed to be displaceable or adjustable so that the chamber dimension 8, i.e. to change the distance between the two inner surfaces of the H-beams 35, for example when rolling beams with a different flange thickness or one other web height.
- a sliding bushing 9 carrying the alignment disk 3 on a wedge guide 10 of the Assembly socket 6 arranged.
- the straightening disk 3 is supported against inserts 11, to which they move from one to the sliding bush 9 from its free end screwed mechanical nut 12 is clamped.
- the sliding bush 9 is via a schematically indicated screw connection 13 with a clamping bush 14 connected, which is at its shaft end on the direction of the piston rod or a piston rod head 15 arranged centrally in the directional pin 4 Piston / cylinder unit 16 is supported and fixed on it with a lock nut 17.
- the adjustable straightening disc 3 must be open the mounting bush 6 in the direction of the arrow pointing to the right in FIG. 1 on the Wedge guide 10 are moved. This requires after stopping the straightening machine Via the hydraulic connection 23, the expansion element 21 only with one Hydraulic unit, not shown, connected and the friction between the Clamping sleeve 14 and the directional pin 4 to be lifted. Then with Piston / cylinder unit 16 to be pressurized oil then adjusts the one with the Clamping bushing 14 screwed displacement bushing 9 and the one carried by it Straightener 3 in the desired, metrologically monitored new position.
- the maximum adjustment range for The straightening disc 3 can also - provided that for certain applications should be necessary - in a simple manner by extending or from the outset shortened straightening pin 4 and clamping bush 14 vary.
- FIG. 2 The disassembly of the straightening disk unit is shown in FIG. 2.
- the piston / cylinder unit 18 thus fulfills two functions, namely the positioning of only the one Sliding sleeve 9 for chamber dimension adjustment and the other last described pulling the entire assembly from the straightening shaft 1.
- Die Piston / cylinder unit 16 has two controlled by a proportional valve, the speeds assigned to each function.
- the dot-dash line in FIG. 1 circled component is between the axially acting on the mounting bush 6 Bayonet ring 18 and a fixing ring 36, a hydraulic nut 29 is provided it allows the mounting bush 6 with greater force on the straightening shaft 1 and the Fixing pin 4, one with the lock nut 20 comparable lock nut 37 - as soon as the pressure of the hydraulic nut 29 is released has been - then the securing of the pushed-on mounting bush 6 takes over.
- 3 is a hydraulic unit 30 arranged on the clamping bush 14 shown, but only on the site for pre-assembly of the straightening disc unit is required to force a larger to bias the straightening discs 2, 3 to be able to muster.
- this Hydraulic unit 30 then removed again and as in FIGS. 1 and 2 shown, the mechanical lock nut 12 takes over the fixing of the Supplements 11 set clamped position of the straightening discs.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Forging (AREA)
- Shearing Machines (AREA)
Abstract
Description
- Fig. 1
- von einer nicht dargestellten Rollenrichtmaschine als Einzelheit die auf einer Richtwelle angeordneten Richtscheiben mit Verstelleinheit, im Teilquerschnitt dargestellt;
- Fig. 2
- die Richtscheiben-Einheit gemäß Fig. 1 in einer Ausbauphase bei der Demontage der Richtscheiben von der Richtwelle; und
- Fig. 3
- als Einzelheit eine alternative Ausführung der in Fig. 1 durch einen strichpunktierten Kreis gekennzeichneten Bauteile.
Claims (8)
- Richtmaschine für gewalzte Träger, insbesondere H-Träger, bei der mindestens eine der beiden den Trägerflanschen von innen her anliegenden, von einer Richtwelle getragenen Richtscheiben axial verstellbar ist, wobei die eine Richtscheibe über eine Montagebuchse fest mit der Richtwelle verbunden ist, während die zweite, verstellbare Richtscheibe ihrem Einstellmaß entsprechend positionsgekontert auf einer auf der Montagebuchse verstellbar angeordneten Verschiebebuchse sitzt,
dadurch gekennzeichnet,
daß wahlweise einerseits die Montagebuchse (6) mit der Verschiebebuchse (9) und andererseits separat die Verschiebebuchse (9) an eine Kolben-/Zylindereinheit (16) ankuppelbar ist. - Richtmaschine nach Anspruch 1,
dadurch gekennzeichnet,
daß die Verschiebebuchse (9) über eine mit ihrem richtwellenzapfenseitigen Ende auf der Kolbenstange (15) der Kolben-/Zylindereinheit (16) festgelegte Klemmbuchse (14) drehfest mit der Richtwelle (1) verbunden und von der Kolben-/Zylindereinheit (16) axial verstellbar ist. - Richtmaschine nach Anspruch 1 oder 2
dadurch gekennzeichnet,
daß die Kolben-/Zylindereinheit (16) zentrisch in der Richtwelle (1) angeordnet ist. - Richtmaschine nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß die Veschiebebuchse (9) und die Montagebuchse (6) über mindestens einen Stift (28) miteinander koppelbar sind. - Richtmaschine nach einem der Ansprüche 1 bis 4,
gekennzeichnet durch
einen auf dem Richtzapfen (4) angeordneten, die Montagebuchse (6) in ihrer eingestellten Betriebslage sichernden Bajonettring (18), dem vom Zapfenende her ein Kontermittel zugeordnet ist. - Richtmaschine nach Anspruch 5,
dadurch gekennzeichnet,
daß das Kontermittel eine auf einen Walzenzapfenabschnitt (19) aufschraubbare Mutter (20) ist. - Richtmaschine nach Anspruch 5,
dadurch gekennzeichnet,
daß auf einem Walzenzapfenabschnitt (19) zwischen einem Fixierring (36) und dem Bajonettring (18) eine Hydraulikmutter (29) mit einer mechanischen Kontermutter (37) angeordnet ist. - Richtmaschine nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet,
daß der die verstellbare Richtscheibe (3) auf der Verschiebebuchse (9) sichernden Konterung temporär eine Hydraulikeinheit (30) vorgeschaltet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19819063A DE19819063A1 (de) | 1998-04-29 | 1998-04-29 | Richtmaschine für gewalzte Träger |
DE19819063 | 1998-04-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0953385A1 true EP0953385A1 (de) | 1999-11-03 |
EP0953385B1 EP0953385B1 (de) | 2002-06-26 |
Family
ID=7866106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99108207A Expired - Lifetime EP0953385B1 (de) | 1998-04-29 | 1999-04-27 | Richtmaschine für gewalzte Träger |
Country Status (5)
Country | Link |
---|---|
US (1) | US6038907A (de) |
EP (1) | EP0953385B1 (de) |
JP (1) | JPH11342422A (de) |
AT (1) | ATE219706T1 (de) |
DE (2) | DE19819063A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102151722A (zh) * | 2011-02-22 | 2011-08-17 | 包头市丰达石油机械有限责任公司 | 抽油杆拉伸校直机 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29623425U1 (de) * | 1996-12-20 | 1998-05-20 | Koenig & Bauer-Albert Aktiengesellschaft, 97080 Würzburg | Walze |
DE10329525B4 (de) * | 2003-06-30 | 2006-02-09 | Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH | Verfahren und Vorrichtung zum Richten eines warmen Profils sowie Verfahren zum Herstellen eines normgerechten Profils |
DE102017217562A1 (de) * | 2017-06-01 | 2018-12-06 | Sms Group Gmbh | Lagerverschlussvorrichtung und Verfahren zu deren Betrieb |
WO2023138888A1 (de) | 2022-01-24 | 2023-07-27 | Sms Group Gmbh | Richtmaschine sowie verfahren zum richten eines stahlprofils |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0472765A1 (de) * | 1990-08-28 | 1992-03-04 | Kawasaki Steel Corporation | Stabrichtmaschine mit regelbarer Rollenbreite |
EP0693329A2 (de) * | 1994-06-09 | 1996-01-24 | Hitachi Zosen Corporation | Rollenverschiebungsvorrichtung und Rollenbreiteneinstellungsvorrichtung dafür |
JPH09253750A (ja) * | 1996-03-22 | 1997-09-30 | Kawasaki Heavy Ind Ltd | ローラストレートナーおよびロール交換装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0783885B2 (ja) * | 1990-01-12 | 1995-09-13 | 新日本製鐵株式会社 | ロール幅調整装置 |
US5154074A (en) * | 1990-02-23 | 1992-10-13 | Sumitomo Metal Industries, Ltd. | Roll with width adjusting function |
US5806361A (en) * | 1994-11-11 | 1998-09-15 | Nippon Steel Corporation | Rolling-mill roll of barrel-width adjustable type |
-
1998
- 1998-04-29 DE DE19819063A patent/DE19819063A1/de not_active Withdrawn
-
1999
- 1999-04-26 JP JP11118401A patent/JPH11342422A/ja not_active Withdrawn
- 1999-04-27 EP EP99108207A patent/EP0953385B1/de not_active Expired - Lifetime
- 1999-04-27 DE DE59901836T patent/DE59901836D1/de not_active Expired - Lifetime
- 1999-04-27 AT AT99108207T patent/ATE219706T1/de not_active IP Right Cessation
- 1999-04-28 US US09/301,054 patent/US6038907A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0472765A1 (de) * | 1990-08-28 | 1992-03-04 | Kawasaki Steel Corporation | Stabrichtmaschine mit regelbarer Rollenbreite |
EP0693329A2 (de) * | 1994-06-09 | 1996-01-24 | Hitachi Zosen Corporation | Rollenverschiebungsvorrichtung und Rollenbreiteneinstellungsvorrichtung dafür |
JPH09253750A (ja) * | 1996-03-22 | 1997-09-30 | Kawasaki Heavy Ind Ltd | ローラストレートナーおよびロール交換装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102151722A (zh) * | 2011-02-22 | 2011-08-17 | 包头市丰达石油机械有限责任公司 | 抽油杆拉伸校直机 |
CN102151722B (zh) * | 2011-02-22 | 2013-01-09 | 包头市丰达石油机械有限责任公司 | 抽油杆拉伸校直机 |
Also Published As
Publication number | Publication date |
---|---|
JPH11342422A (ja) | 1999-12-14 |
ATE219706T1 (de) | 2002-07-15 |
DE59901836D1 (de) | 2002-08-01 |
DE19819063A1 (de) | 1999-11-04 |
EP0953385B1 (de) | 2002-06-26 |
US6038907A (en) | 2000-03-21 |
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