EP1114682A2 - Schrägwalzen-Richtmaschine - Google Patents
Schrägwalzen-Richtmaschine Download PDFInfo
- Publication number
- EP1114682A2 EP1114682A2 EP00125182A EP00125182A EP1114682A2 EP 1114682 A2 EP1114682 A2 EP 1114682A2 EP 00125182 A EP00125182 A EP 00125182A EP 00125182 A EP00125182 A EP 00125182A EP 1114682 A2 EP1114682 A2 EP 1114682A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- cylinder unit
- roller
- chock
- threaded spindle
- 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
- 230000008094 contradictory effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000256251 Spodoptera frugiperda Species 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000005096 rolling process Methods 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
- B21D3/04—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 skew to the path of the work
Definitions
- the invention relates to a cross roll straightening machine, consisting of a formed by a lower yoke, an upper yoke and columns connecting them Frame that receives rotatably mounted rollers in roller mills, the Roller mill of the lower roller in the Unterjoch and the roller mill of an adjusting spindle acted upon upper roller vertically adjustable in the upper yoke and the rollers for setting the crossing angle of the roller axes are pivotally mounted about a vertical center axis.
- Such an inclined roller straightening machine is, for example, by the DE designation 19 10 879 became known.
- a vertical one in the Unterjoch movable slide is provided, which is supported by a piston-cylinder unit is.
- the roller mill that supports the lower roller directly from the lower beam supported by the frame.
- black material unprocessed rolling rods with a not completely round cross-section
- the piston-cylinder unit can be acted upon with adjustable pressure, with which the Slide the lower roller with the roller mill from the support on the lower beam and the resilient support of the lower roller takes over.
- the flexible support provides overload protection.
- the invention is therefore based on the object in a cross-roll straightening machine the type mentioned means for guiding the chock to provide for the pillars of the frame, which despite the contradictory demands allow both blank and black material to be straightened.
- the top roller in one Installation piece is arranged, which is integrated with four guide surfaces between Setting wedges, fitting strips or similar guide means having adjusting means is guided on the columns of the frame, of which on the in the direction of flow of the leveling material seen front and rear frame pillars each Hydraulic guide wedge of a double-acting piston-cylinder unit and the other adjusting wedge is mechanically adjustable, and further the chock is formed with a hollow pin for guidance in the Oberjoch is that with a threaded nut for vertical adjustment of the chock is provided by means of a threaded spindle, the adjusting spindle on the upper yoke a double-acting clamping-piston-cylinder unit is assigned.
- the clamping piston cylinder unit the lead screw and the piston-cylinder units of the hydraulically moved control wedges simultaneously subjected to maximum pressure.
- this control is subject to a maximum, gap-free Preload, so that the straightener with the one set via the threaded spindle Alignment gap height is operated.
- By moving the Positioning wedges additionally reduces the guide play of the chock to zero mm. An operationally reliable blank material straightening operation can thus be maintained.
- the clamping piston-cylinder unit of the adjusting spindle is at maximum pressure and the piston-cylinder units the hydraulic wedges are depressurized. So judging is also of blank material without activated clamping of our management level, i.e. with a low set play, possible.
- the invention offers the possibility of an alternative control such that a straightening gap height set smaller than the current straightening material diameter of the rollers, the tensioning piston-cylinder unit for floating support of the Spindle is loaded and the piston-cylinder units of the hydraulically moved Wedges are depressurized.
- This allows the requirements for Straightening of black material also create, it is the incoming straightening material by the one set X smaller than the current target diameter Alignment gap height is enabled, the set alignment gap height by the amount X to press because the clamping piston-cylinder unit in the cylinder with a Gap applied according to the way of retreating or evading is.
- the cylinder can thus "float" around this dimension X and to compensate for the shape deviation of the target diameter.
- the chock is only subject to mechanical adjustable wedges set by means of stop screws.
- One according to an embodiment of the invention in the pressure side of the pressure medium supply adjustable pressure relief valve arranged in the clamping piston-cylinder unit ensures that it is possible to avoid the straightening force.
- a cross-roll straightening machine 1 shown in FIG. 1 has one of four guide columns 2 existing, a lower yoke 3 and an upper yoke 4 connecting Frame.
- a lower roller 5 is supported while an upper roller 6 is mounted in a carrier 7 which is supported by an installation piece 8 is recorded in the guideways 9 formed on the columns 2 is performed (see also Fig. 2).
- the chock 8 has an engaging in the upper yoke 8 Hollow pin 10 on. This is connected to a threaded nut 11, the for vertical adjustment of the chock 8 and thus setting the Straightening gap between the upper and lower rollers 5, 6 with a screw or threaded spindle 12 cooperates.
- the chock 8 is - as shown in Fig. 2 - in its the guideways 9 Frame columns 2 facing areas cut out in a V-shape and in these Areas provided with corresponding guide strips 18.
- the guideways 9 are in mounting blocks 19a to d attached to the frame columns 2 (see FIG. 2). They exist - as can be seen in more detail in FIGS. 5 and 6 is - in the exemplary embodiment, an adjusting wedge 20a or 20b and one complementary, providing the sliding surface for the track strips 18 of the chock 8, counter plate 21 screwed to the mounting blocks 19a to d. In the direction of passage 22 (see FIG.
- the piston-cylinder units 23 of the adjusting wedges 20a can thus be adjusted the cross roll straightening machine 1 on the one hand for the blank operation and on the other hand, carry out the black operation.
- the cylinder piston 25 of the tensioning piston-cylinder unit 15 and of the cylinder piston 26 of the piston-cylinder units 23 are on the clamping piston-cylinder unit 15 and the piston-cylinder units 23 pressure medium lines 27, 28 or 29, 30 connected (cf. FIG. 3 or FIGS. 5 and 7 and 8), connected to a pressure medium source, not shown, and a control unit are.
- the lines 27, 28 and 29, 30 have an integrated Multi-way valve 31 or 32, and to the clamping piston-cylinder unit 15 is in an adjustable pressure relief valve 33 is also provided on the pressure side.
- the setting wedges 20a become so far via the piston-cylinder units 23 moved until the guide play of the chock 8 in the guideways 9 is reduced to zero, which with the position of the multi-way valve shown in FIG. 7 32 is the case.
- the blank material thus runs through with a fixed setting Straightening nip rollers 5, 6.
- the straightening gap height between the rollers 5, 6 by an amount X smaller than the current target diameter.
- the reversing position is not shown in Fig. 4 - the cylinder piston 25 in the clamping piston-cylinder unit 15 in the intermediate position shown in Fig. 4, in 3 compared to the block position according to FIG. 3, the dimension X of the reduced Alignment gap height corresponding gap S1 to block position defined.
- the cylinder piston 25 can swim to the Compensate the shape deviation of the target diameter.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Metal Rolling (AREA)
- Jigs For Machine Tools (AREA)
Abstract
Description
- Fig. 1
- eine Schrägwalzen-Richtmaschine im Querschnitt;
- Fig. 2
- die Schrägwalzen-Richtmaschine nach Fig. 1 entlang der Schnitt-Linie II-II gesehen, unter Weglassung der Oberwalzen-Anordnung vereinfacht dargestellt;
- Fig. 3
- als Einzelheit der Fig. 1 die dort auf dem Oberjoch angeordnete, der Anstellspindel zugeordnete Spann-Kolbenzylindereinheit in einer ersten Betriebsposition;
- Fig. 4
- eine der Fig. 3 entsprechende Darstellung der Spann-Kolbenzylindereinheit in einer weiteren Betriebsposition;
- Fig. 5
- als Einzelheit der Fig. 2 einen Schnitt durch die Führungsbahn entlang der Schnittlinie V-V;
- Fig. 6
- als Einzelheit der Fig. 2 einen Schnitt durch die Führungsbahn entlang der Schnittlinie VI-VI;
- Fig. 7
- ein der Führungsbahn nach Fig. 5 zugeordnetes Mehrwegeventil in einer ersten Betriebsstellung; und
- Fig. 8
- das Mehrwege-Ventil nach Fig. 7 in einer zweiten Betriebsstellung.
Claims (6)
- Schrägwalzen-Richtmaschine, bestehend aus einem von einem Unterjoch, einem Oberjoch und diese verbindenden Säulen gebildeten Rahmen, der in Walzenstühlen drehbar gelagerte Walzen aufnimmt, wobei der Walzenstuhl der Unterwalze im Unterjoch und der Walzenstuhl der von einer Anstellspindel beaufschlagten Oberwalze im Oberjoch senkrecht verstellbar angeordnet ist und die Walzen zur Einstellung des Kreuzungswinkels der Walzenachsen um eine senkrechte Mittenachse schwenkbar gelagert sind,
dadurch gekennzeichnet,
daß die Oberwalze (6) in einem Einbaustück (8) angeordnet ist, daß mit vier Führungsflächen (18) zwischen integrierte Stellkeile (20a; 20b) oder Passleisten aufweisenden Führungsbahnen (9) an den Säulen (2) des Rahmens geführt ist, von denen an den in Durchlaufrichtung (22) des Richtguts gesehen vorderen bzw. hinteren Rahmensäulen jeweils ein Stellkeil (20a) der Führungsbahnen (9) hydraulisch von einer doppelt wirkenden Kolben-Zylinder-Einheit (23) und der andere Stellkeil (20b) mechanisch verstellbar ist, und des weitren das Einbaustück (8) mit einem Hohlzapfen (10) zur Führung im Oberjoch (4) ausgebildet ist, der mit einer Gewindemutter (11) zur senkrechten Verstellung des Einbaustücks (8) mittels einer Gewindespindel (12) versehen ist, wobei der Gewindespindel (12) am Oberjoch (4) eine doppelt wirkende Spann-Kolbenzylindereinheit (15) zugeordnet ist. - Schrägwalzen-Richtmaschine nah Anspruch 1,
dadurch gekennzeichnet,
daß ein am Oberjoch (4) angeordnetes, von einer Kolben-Zylinder-Einheit (17) beaufschlagtes Zuggestänge (16) mit dem Einbaustück (8) verbunden ist. - Schrägwalzen-Richtmaschine nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die Spann-Kolbenzylindereinheit (15) der Gewindespindel (12) und die Kolben-Zylinder-Einheiten (23) der hydraulisch bewegten Stellkeile (20a) zugleich mit maximalem Druck beaufschlagt sind. - Schrägwalzen-Richtmaschinen nah Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die Spann-Kolbenzylindereinheit (15) der Gewindespindespindel (12) mit maximalem Druck beaufschlagt ist und die Kolben-Zylinder-Einheiten (23) der hydraulisch bewegten Stellkeile (20a) drucklos sind. - Schrägwalzen-Richtmaschine nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß bei einer kleiner als der aktuelle Richtgutdurchmesser eingestellten Richtspalthöhe der Walzen (5, 6) die Spann-Kolbenzylindereinheit (15) zur schwimmenden Abstützung der Gewindespindel (12) beaufschlagt ist und die Kolben-Zylinder-Einheiten (23) der hydraulisch bewegten Stellkeile (20a) drucklos sind. - Schrägwalzen-Richtmaschine nach Anspruch 5,
gekennzeichnet durch
ein in der Druckseite der Druckmittelversorgung der Spann-Kolbenzylindereinheit (16) angeordnetes, einstellbares Druckbegrenzungsventil (33).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10000349A DE10000349C2 (de) | 2000-01-07 | 2000-01-07 | Schrägwalzen-Richtmaschine |
DE10000349 | 2000-01-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1114682A2 true EP1114682A2 (de) | 2001-07-11 |
EP1114682A3 EP1114682A3 (de) | 2002-10-16 |
EP1114682B1 EP1114682B1 (de) | 2004-07-28 |
Family
ID=7626875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00125182A Expired - Lifetime EP1114682B1 (de) | 2000-01-07 | 2000-11-18 | Schrägwalzen-Richtmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US6412323B2 (de) |
EP (1) | EP1114682B1 (de) |
JP (1) | JP3453364B2 (de) |
DE (2) | DE10000349C2 (de) |
ES (1) | ES2223374T3 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101912878A (zh) * | 2010-08-05 | 2010-12-15 | 太原通泽重工有限公司 | 一种开式机架三辊式斜轧延伸机 |
CN101569901B (zh) * | 2009-06-15 | 2011-01-05 | 合肥海德数控液压设备有限公司 | 提升式液压机 |
CN103722017A (zh) * | 2013-12-30 | 2014-04-16 | 中冶京诚工程技术有限公司 | 松棒机转角调整装置 |
CN103769442A (zh) * | 2014-01-24 | 2014-05-07 | 太原科技大学 | 新型棒材二辊矫直机导筒装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100371469C (zh) * | 2005-12-16 | 2008-02-27 | 俞学文 | 细长紧固件连续热处理机及连续热处理法 |
CN102172713B (zh) * | 2010-12-30 | 2012-10-24 | 一重集团大连设计研究院有限公司 | 压头全方位摆动止转装置 |
CN103042076B (zh) * | 2012-12-28 | 2014-11-26 | 太原通泽重工有限公司 | 转毂式矫直机压下平衡装置 |
CN106783302B (zh) * | 2016-12-28 | 2018-11-27 | 歌尔科技有限公司 | 一种卡扣式按键矫正工装和矫正方法 |
US11731184B2 (en) | 2019-04-23 | 2023-08-22 | Jfe Steel Corporation | Rolling straightening machine and method of manufacturing a pipe or tube or a bar using same |
DE102020201477A1 (de) | 2020-02-06 | 2021-08-12 | Sms Group Gmbh | Vorrichtung und Verfahren zum An- bzw. Einstellen eines Walzspaltes einer Zweiwalzen-Richtmaschine für Stäbe und/oder Profile |
CN112474889B (zh) * | 2020-12-21 | 2022-11-29 | 东台市高科技术创业园有限公司 | 一种纵向调节式不锈钢管矫直装置 |
CN117380770B (zh) * | 2023-12-06 | 2024-02-20 | 潍坊天信散热器有限公司 | 散热铝管用斜辊矫直机 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1910879A1 (de) * | 1969-03-04 | 1970-09-17 | Kieserling & Albrecht | Richtmaschine fuer langgestreckte Werkstuecke wie Stangen oder Rohre mit kreisfoermigem oder von der Kreisform abweichendem Querschnitt |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5744624U (de) * | 1980-08-21 | 1982-03-11 | ||
DE3132712C2 (de) * | 1981-08-19 | 1985-09-12 | Kocks Technik Gmbh & Co, 4010 Hilden | Rohrschrägwalzgerüst |
US4471639A (en) * | 1982-11-01 | 1984-09-18 | E. W. Bliss Company, Inc. | Roll orientation control system for straightening machines |
SU1507493A1 (ru) * | 1986-10-08 | 1989-09-15 | Старо-Краматорский машиностроительный завод им.Орджоникидзе | Механизм радиальной настройки валка косовалковой правильной машины |
US4989432A (en) * | 1990-01-16 | 1991-02-05 | Turner Machine Company | System and method of detecting roll position in a rotary straightener |
-
2000
- 2000-01-07 DE DE10000349A patent/DE10000349C2/de not_active Expired - Lifetime
- 2000-11-18 DE DE50007196T patent/DE50007196D1/de not_active Expired - Lifetime
- 2000-11-18 EP EP00125182A patent/EP1114682B1/de not_active Expired - Lifetime
- 2000-11-18 ES ES00125182T patent/ES2223374T3/es not_active Expired - Lifetime
-
2001
- 2001-01-04 JP JP2001000257A patent/JP3453364B2/ja not_active Expired - Lifetime
- 2001-01-05 US US09/755,604 patent/US6412323B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1910879A1 (de) * | 1969-03-04 | 1970-09-17 | Kieserling & Albrecht | Richtmaschine fuer langgestreckte Werkstuecke wie Stangen oder Rohre mit kreisfoermigem oder von der Kreisform abweichendem Querschnitt |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101569901B (zh) * | 2009-06-15 | 2011-01-05 | 合肥海德数控液压设备有限公司 | 提升式液压机 |
CN101912878A (zh) * | 2010-08-05 | 2010-12-15 | 太原通泽重工有限公司 | 一种开式机架三辊式斜轧延伸机 |
CN103722017A (zh) * | 2013-12-30 | 2014-04-16 | 中冶京诚工程技术有限公司 | 松棒机转角调整装置 |
CN103769442A (zh) * | 2014-01-24 | 2014-05-07 | 太原科技大学 | 新型棒材二辊矫直机导筒装置 |
CN103769442B (zh) * | 2014-01-24 | 2015-08-05 | 太原科技大学 | 棒材二辊矫直机导筒装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1114682B1 (de) | 2004-07-28 |
ES2223374T3 (es) | 2005-03-01 |
EP1114682A3 (de) | 2002-10-16 |
DE10000349A1 (de) | 2001-08-02 |
JP2001219218A (ja) | 2001-08-14 |
DE50007196D1 (de) | 2004-09-02 |
JP3453364B2 (ja) | 2003-10-06 |
US6412323B2 (en) | 2002-07-02 |
US20010023604A1 (en) | 2001-09-27 |
DE10000349C2 (de) | 2002-04-04 |
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