EP1150785A1 - Walzapparat und verfahren zum justieren eines solchen - Google Patents
Walzapparat und verfahren zum justieren eines solchenInfo
- Publication number
- EP1150785A1 EP1150785A1 EP00983023A EP00983023A EP1150785A1 EP 1150785 A1 EP1150785 A1 EP 1150785A1 EP 00983023 A EP00983023 A EP 00983023A EP 00983023 A EP00983023 A EP 00983023A EP 1150785 A1 EP1150785 A1 EP 1150785A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- unit
- roller
- rolling apparatus
- rolling
- housing
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
- B21B13/10—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane
- B21B13/103—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane for rolling bars, rods or wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/02—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills
- B21B35/04—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills each stand having its own motor or motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/12—Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
- B21B38/105—Calibrating or presetting roll-gap
Definitions
- the invention relates to a rolling apparatus for rolling metallic bars or wire with a housing comprising: a plurality of rollers arranged in a star shape in a housing, a drive unit for driving at least one roller and a coupling unit for transmitting the torque output by the drive unit to the roller.
- a rolling apparatus for rolling metallic bars or wire which has a number of rollers arranged in a star shape.
- the rolling devices are arranged in rows along a longitudinal axis of the rolling stock.
- the rollers of a rolling apparatus are operatively connected via a coupling unit to a drive unit each assigned to a rolling apparatus. Because each roller of a rolling apparatus is driven, a greater degree of deformation of the rolling stock can be achieved, which results in a reduction in the number of rolling apparatuses in a rolling mill. The risk of the rolling stock slipping can also be diminished by.
- a disadvantage of the known rolling apparatus is that a voluminous and complex coupling unit with a plurality of gear stages is required to transmit the torque output by the drive unit to the rollers.
- the object of the present invention is therefore to develop a rolling apparatus for rolling metallic bars or wire in such a way that the rolling apparatus has a compact structure on the one hand and on the other hand enables reliable and effective rolling.
- the rolling apparatus according to the invention in connection with the preamble of claim 1 is characterized in that a drive unit is separately assigned to each roller.
- the particular advantage of the rolling apparatus according to the invention is that the rolling apparatus can be made uniform and space-saving.
- the rolling devices of a rolling mill can be easily replaced, the speed of the rolls of a rolling mill being able to be achieved by directly acting control measures of the drive unit.
- the drive unit is arranged offset to a longitudinal surface of the housing, so that the drive unit is not in the plane of action of the rolling apparatus or the rollers.
- the housing can be made more stable and rigid.
- it improves Accessibility to the rollers enables what means a faster roller change.
- toothed wheels serve to couple a drive shaft of the drive unit, which is laterally offset to the housing, to a coupling rod that runs in the longitudinal direction inside the housing to the roller. In this way there is a simple and secure coupling between the laterally arranged drive unit and a roller.
- Rolling apparatuses for rolling metal rods or wire which contain four rollers arranged in a star shape, parallel axes of rotation of opposing rollers being arranged rotated in the direction of the axis of rotation (Turkenkopf). These specially designed rolling apparatuses are preferably used for rolling rods or wire which are rectangular in cross section.
- Teurkenkopf a specially designed rolling apparatuses
- rolling rods or wire which are rectangular in cross section.
- the object of the present invention is therefore to develop a rolling apparatus for rolling metallic bars or wire in such a way that the rolling stock can always be guided through the rolling apparatus in a central position, regardless of the shape.
- the rolling apparatus according to the invention in connection with the preamble of patent claim 6 is characterized in that the drive unit comprises an actuating unit, by means of which each roller can be displaced both radially and axially in relation to its respective axis of rotation.
- the rolling apparatus according to the invention always advantageously brings about a symmetrical structure of the rolls with respect to one another.
- the rolling stock can thus be moved centered independently of the rolling stock cross section. This effectively prevents undesirable action of bending forces by means of guide elements arranged before or after the rolling apparatus.
- the set-up time can also advantageously be reduced. Furthermore, the rolling process can thereby be made more reliable.
- control device in connection with the preamble of patent claim 9 is characterized in that a control unit is additionally provided, which acts on at least one roller by means of an actuating unit in such a way that the roller, depending on the specification data, moves into one predetermined position is positionable.
- the control device advantageously enables a safe and reliable setting of the rolling apparatus to a predetermined cross section of a rolling stock.
- a user-friendly control over the set operating position of the rollers can advantageously be provided using a data processing unit and an adjustment program. Changes to the setting data can be entered in a simple manner into an input unit of the data processing device and can be further processed in the same by means of a control unit to act on the respective rollers.
- the control device on the one hand enables a quicker and on the other hand a safer set-up change.
- FIG. 1 shows a schematic view of a rolling apparatus
- FIG. 2 shows a side view of the rolling apparatus
- Figure 3 is a schematic representation of an arrangement of rollers corresponding to a Turkish head
- Figure 4 is a block diagram of a control device for a rolling apparatus.
- FIG. 1 shows a rolling apparatus 1 with a plate-shaped housing 2, in the central area of which is arranged in a star shape. nete rollers 3 are stored. Opposing rollers 3 have parallel axes of rotation 4, which are arranged offset from one another in the direction of the axes of rotation 4. The configuration of the rollers 3 formed in this way is also referred to in the technical jargon as “Turk head”, see FIG. 3.
- the housing 2 is essentially cuboid and has outer surfaces that are perpendicular to one another. It has opposite and parallel large-area long sides 5 and a plurality of narrow sides 6 adjoining them.
- the rollers 3 are each arranged in a central edge region of partial quadrants 7 of the housing 2.
- a coupling unit 8 and a drive unit 10 are separately assigned to each roller 3.
- the drive unit 10 extends with its drive shaft 9 coaxially with the roller 3 assigned to it.
- two toothed wheels 11 and 12 which are in engagement with one another enable the toothed wheel 11 to be connected to the coupling rod, and the Gear 12 is connected to the drive shaft 9 of the drive unit 10 so that the drive unit 10 can be arranged offset parallel to the housing 2 or offset to a longitudinal center axis 13 of the housing 2.
- the drive unit 10, which is preferably designed as an electric motor, is spaced apart in this way arranged the housing 2, wherein the access to the rollers 3 is not hindered.
- the rollers 3 can thus be controlled or operated independently of one another.
- a rolling device 15 is provided, which essentially has the same structure as the rolling device 1 according to the first exemplary embodiment.
- the rollers 3 are operatively connected to an actuating unit 16 by means of a coupling unit (not shown) such that the rollers 3 are each adjustable in the radial and / or axial direction, see arrow 26 in FIG. 3.
- the actuating unit 16 preferably has servomotors (not shown) for each direction of movement.
- the central axis 18 is preferably an axis of symmetry of the housing 2 or a guide axis along which the rolling stock is guided by means of guide elements arranged between adjacent rolling devices.
- a rolling mill preferably consists of a plurality of rolling devices 1 and 15, between which the guide means are arranged.
- the actuating unit 16 When the width of the rolling stock changes, the actuating unit 16 simultaneously controls a right roller 3 in the radial direction and a lower roller 3 in the axial direction, so that these rollers 3 are shifted to the right, for example. Accordingly, the upper and the left roller 3 are simultaneously shifted to the left in the axial or radial direction, so that a predetermined longitudinal axis 17 of the rolling stock remains unchanged.
- the same activation of the rollers 3 in pairs takes place when the height of the rolling stock is adapted, the upper and the right roller 3 and the left and lower roller 3 being activated in pairs here.
- the width and height can also be adjusted at the same time, all the rollers 3 being actuated at the same time.
- the actuating unit 16 can also each have a single servo motor, it being ensured by means of a deflection device which is integrated in the coupling unit 8 that a roller 3 can optionally be moved in the radial or axial direction.
- a control device which essentially comprises a control unit 19, an input unit 20, a display unit 21 and a measuring device 22.
- the control unit 19 can be designed as a data processing device with a microprocessor and a memory.
- the control unit 19 is connected to a monitor as the display unit 21 and a keyboard as the input unit 20.
- the input unit 20 enables an operator to input specification data 23 for the positioning of the rollers 3.
- These specification data 23 are converted in the control unit 19 into control signals 24 which can be processed further for the actuating unit 16 in order to actuate the servomotors integrated in the actuating unit 16.
- the actuating unit 16 is connected to the control unit 19 via the measuring device 22 has a position transmitter and continuously supplies the control unit 19 with current position data of the respective rollers 3.
- these current position data are compared with the specification data 23 and acted on the control unit 16 with the control signal 24 until the difference between the specification data 23 and the current position data has become zero. In this way, the rollers 3 can be positioned quickly and reliably.
- the memory of the control unit 19 can have an adjustment program and the position data of a reference roller, so that during a set-up process only correction values which represent the deviation from the fixed predetermined position of the reference roller need to be entered by means of the input unit.
- the position data of the reference roller can therefore serve as a reference, the operator only being able to enter corresponding identifiers which stand for a respective rolling program. The tedious and error-prone input of numbers can be avoided. At least by entering numbers as correction data, the input can be simplified.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Control Of Metal Rolling (AREA)
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19949869 | 1999-10-17 | ||
DE19949869 | 1999-10-17 | ||
DE10003126 | 2000-01-26 | ||
DE10003126A DE10003126C5 (de) | 1999-10-17 | 2000-01-26 | Walzapparat und Verfahren zum Justieren eines solchen |
PCT/DE2000/003641 WO2001028704A1 (de) | 1999-10-17 | 2000-10-17 | Walzapparat und verfahren zum justieren eines solchen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1150785A1 true EP1150785A1 (de) | 2001-11-07 |
EP1150785B1 EP1150785B1 (de) | 2004-12-29 |
Family
ID=26004019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00983023A Expired - Lifetime EP1150785B1 (de) | 1999-10-17 | 2000-10-17 | Walzapparat und verfahren zum justieren eines solchen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6658910B1 (de) |
EP (1) | EP1150785B1 (de) |
AT (1) | ATE285855T1 (de) |
ES (1) | ES2234703T3 (de) |
WO (1) | WO2001028704A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6938451B2 (en) * | 2002-08-15 | 2005-09-06 | Jon Elmaleh | Dynamic tapered extrusion system |
CN114273418A (zh) * | 2021-12-29 | 2022-04-05 | 苏州厚发精线有限公司 | 适用于多种断面尺寸的多边形线材的辊轧装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE585511C (de) * | 1933-10-04 | Schloemann Akt Ges | Walzgeruest mit unmittelbarem Antrieb der Walzen durch je einen Elektromotor | |
US2394183A (en) * | 1943-10-06 | 1946-02-05 | Eaton Mfg Co | Rolling mill |
US3347078A (en) * | 1965-02-04 | 1967-10-17 | Yoder Co | Tube reshaping machine |
DE1527722A1 (de) * | 1966-11-15 | 1970-04-09 | Schloemann Ag | Verformungsvorrichtung,bestehend aus vier verstellbaren,ein geschlossenes Kaliber bildenden Werkzeugen |
SU305924A1 (ru) * | 1969-07-07 | 1971-08-09 | Рабочая клеть с четб1рехвалковым калиброл\ | |
DE2819567A1 (de) * | 1978-05-05 | 1979-11-15 | Suedwestfalen Ag Stahlwerke | Walzwerksanlage zum walzen von stangenfoermigem, metallischem gut |
SU1400677A1 (ru) * | 1986-07-10 | 1988-06-07 | Всесоюзный научно-исследовательский и проектно-конструкторский институт металлургического машиностроения им.А.И.Целикова | Универсальна клеть |
DE3806063C2 (de) * | 1988-02-26 | 1996-10-17 | Schloemann Siemag Ag | Verfahren und Vorrichtung zur Steg- und Flanschdickenregelung in Universalgerüsten |
JP2672155B2 (ja) * | 1989-08-04 | 1997-11-05 | アイシン精機株式会社 | ロール成形装置 |
DE4137451C2 (de) * | 1991-11-14 | 1994-07-14 | Kocks Technik | Verfahren und Vorrichtung zum Einstellen von drei, eine gemeinsame Kaliberöffnung bildende Walzen oder Führungsrollen |
DE4308449C2 (de) | 1993-03-17 | 1996-05-30 | Kocks Technik | Walzblock zum Walzen von metallischen Stäben oder Draht |
JPH085343A (ja) * | 1994-06-16 | 1996-01-12 | Sumitomo Metal Ind Ltd | ロールキャリバーの計測調整設備 |
DE4447397C2 (de) * | 1994-12-23 | 2000-09-21 | Mannesmann Ag | Universalformwalzgerüst zum kontinuierlichen Konturformen von Rohren |
US5949684A (en) * | 1997-03-07 | 1999-09-07 | Morgan Construction Company | Automatic roll groove alignment |
DE19717201A1 (de) * | 1997-04-24 | 1999-01-21 | Schloemann Siemag Ag | Fertigblocksystem für Drahtwalzwerke |
IT1296576B1 (it) * | 1997-11-27 | 1999-07-14 | Promau Srl | Apparecchiatura automatica per la curvatura di lamiere, con controllo selettivo digitale |
-
2000
- 2000-10-17 AT AT00983023T patent/ATE285855T1/de active
- 2000-10-17 ES ES00983023T patent/ES2234703T3/es not_active Expired - Lifetime
- 2000-10-17 US US09/868,234 patent/US6658910B1/en not_active Expired - Fee Related
- 2000-10-17 EP EP00983023A patent/EP1150785B1/de not_active Expired - Lifetime
- 2000-10-17 WO PCT/DE2000/003641 patent/WO2001028704A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO0128704A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6658910B1 (en) | 2003-12-09 |
ATE285855T1 (de) | 2005-01-15 |
WO2001028704A1 (de) | 2001-04-26 |
ES2234703T3 (es) | 2005-07-01 |
EP1150785B1 (de) | 2004-12-29 |
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