CN1608761B - Method and equipment for rolling rolled piece in a rolling equipment with diagonal rolling machine - Google Patents
Method and equipment for rolling rolled piece in a rolling equipment with diagonal rolling machine Download PDFInfo
- Publication number
- CN1608761B CN1608761B CN200410085011.0A CN200410085011A CN1608761B CN 1608761 B CN1608761 B CN 1608761B CN 200410085011 A CN200410085011 A CN 200410085011A CN 1608761 B CN1608761 B CN 1608761B
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- China
- Prior art keywords
- rolling
- rolled piece
- planetary
- rolling mill
- rotation
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- 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 - Fee Related
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- 238000005096 rolling process Methods 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims description 26
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 4
- 238000011326 mechanical measurement Methods 0.000 claims 1
- 238000003801 milling Methods 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- 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
- B21B37/78—Control of tube rolling
-
- 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
- B21B37/46—Roll speed or drive motor control
-
- 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
- B21B13/008—Skew rolling stands, e.g. for rolling rounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/06—Rolling hollow basic material, e.g. Assel mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention relates to a rolling device, which is arranged with planetary skew rolling mill and a vertical rolling mill, as well as a measuring instrument for detecting the rotation of the skew rolling mill on the export and adjusting at least one drive parameter of the planetary skew rolling mill based on measuring value.
Description
Technical field
The present invention relates to a kind of method and apparatus of having the rolling rolled piece of rolling equipment of skew rolling mill at one of being used for.
Background technology
Use has the rolling equipment of skew rolling mill, so that the rolled piece of rolling for example metal seamless tube or other circular cross section, like bar.
In a kind of skew rolling mill, a plurality of rolls are arranged on the circumference of treating rolling rolled piece.Said rolled piece places rotation status to deform simultaneously between these rolls with the equidirectional rotation.In order to make rolled piece obtain motion in the vertical, said roll tilts with respect to the rolled piece longitudinal axis with a given angle in tangential plane.This layout makes rolled piece produce a kind of spiral yarn shaped motion thus.
There are some defectives in the frame mode of above-mentioned skew rolling mill, and they are especially owing to the rotation of rolled piece around its longitudinal axis produces.These defectives have been to limit supporting and guider and lower transporting velocity of maximum length of rolled piece, costliness.The vibration of rolled piece in rotation is disadvantageous for the rolled piece quality.
These defectives cause the development of planetary skew rolling mill, and the stack that they rotatablely move through a plurality of construction packages can not realize under the situation of longitudinal axis rotation of himself rolling at rolled piece in principle.Germany Patent document 195 10 715 C2 have described so planetary skew rolling mill.The structure of the said device of DE195 10 715 C2 has a rotor through a main drive motion, and this rotor surrounds rolled piece and can be rotated to support on four planetary rolls.These planetary rolls are along with rotor rotates.Except along with rotor is rotated, planetary roll is also driven around its longitudinal axis by an additional drive system rotatably.But verified, can not stop the rotation of rolled piece during rolling fully by the known measure of DE 195 10 715C2.
Problem is, especially when rolled piece directly got into longitudinal rolling mills in the outlet at skew rolling mill, such rotation appearred in rolled piece.The common rotational fixation of rolled piece ground clamps in longitudinal rolling mills, therefore causes the torque load of rolled piece by rotatablely moving of causing of skew rolling mill.These torque loads reduce rolled piece qualities and under serious situation, especially for the thin-walled rolled piece, cause the cross breaks defect in the rolled piece.
Summary of the invention
Therefore the objective of the invention is, advise a kind of method and apparatus, it avoids above-mentioned defective and wherein almost not rotation of rolled piece during rolling.
This purpose is achieved through the content of each independent claims arranged side by side.Favourable expansion structure provides in the dependent claims.
According to method of the present invention regulation, to a planetary skew rolling mill (below be also referred to as: at least one driving parameters of skew rolling mill is measured and this measured value is used to regulate in the rotation of rolling rolled piece skew rolling mill).Through measuring the rotation of rolled piece, can confirm the rotation of rolled piece and prevent rotation through at least one driving parameters such as the skew rolling mill rotary speed of coupling oblique milling roller.
Through prevent rolled piece rotation according to method of the present invention, not only prevent thus in planetary skew rolling mill but also the torque load of the rolled piece that prevents in longitudinal rolling mills, to clamp.Said rolled piece is compared with the rolling rolled piece of common methods has higher quality.
Have realized that by the known measure of DE 195 10 715 C2 can not avoid fully rolling during the rotation of rolled piece.Its reason is that the ratio of selected rotor revolution number and planetary roll revolution only prevents the rolled piece rotation under certain rolling situation.When rolling situation when small differences in materials or slag deposition, variations in temperature, skin-friction coefficient variation or other factors change in owing to rolled piece, the rotation that then produces rolled piece.This rotation of said rolled piece often is very small (wriggling), especially in the time of rolling situation slight modification.Usually only can not discern this wriggling, but in final products, cause too big quality impairment with eyes.
Be preferred for rolling tubular rolled piece according to method of the present invention and process so-called pipe or rolling circular solids body such as bar.Said rolled piece is metal preferably, but also can be other material, like plastics.
In a preferred embodiment, said measurement is preferably carried out continuously in real time.Same adjusting also can be carried out continuously in real time, the feasible rolling condition that can adapt to variation apace.Especially during the whole operation of rolling, measure and regulate.
Said rolled piece is preferably in the planetary skew rolling mill rolling; Wherein, A main drive drives a rotor that surrounds rolled piece, rotatably mounted planetary roll in said rotor, and an additional drive system makes planetary roll additionally around its longitudinal axis rotation separately.See also DE 195 10 715 C2 for preferred milling method in planetary skew rolling mill, its description for the milling method of planetary skew rolling mill is the part of this description.
The rotary speed of said rotor and/or planetary roll and direction of rotation preferably can be regulated by means of given theoretical value.These theoretical values can manual adjustments perhaps can be taken out from database for the adjusting of computer support.These theoretical values preferably according to treat rolling rolled piece material, rolled piece external diameter and for hollow body according to the wall thickness of rolled piece and given.They preferably provide revolution, wherein do not expect to produce rotation for given rolling condition according to the present invention.
Through changing one of them theoretical value according to measured value, realize simple adjustment structure thus according to the adjusting of the present invention's regulation is best.
Advantageously, through regulating, only a drive unit especially revolution of additional drive system is mated.Continue to simplify adjustment structure thus.
In a favourable expansion structure, for contactless measuring method is used in the rotation of confirming rolled piece.But also can use other measuring method, for example mechanical, like friction inference measuring method.
Have a measuring instrument according to rolling equipment of the present invention, be used for confirming the rotation of rolled piece.Can know through this measurement whether rolled piece rotates.Can show or for example be transported to a regulating loop with desired straight-line deviation.
The favourable layout of a corresponding measuring instrument can be positioned at the exit of skew rolling mill and especially be located immediately at oblique milling roller back.
Said planetary skew rolling mill has a main drive, is used to make the rotor rotation of surrounding rolled piece, and rotatably mounted planetary roll in rotor also has an additional drive system and is used to make planetary roll around its longitudinal axis rotation.See also DE 195 10 715 C2 for preferred planetary skew rolling mill structure, its description for planetary skew rolling mill structure is the part of this description.Said planetary skew rolling mill preferably has three or more a plurality of planetary roll, especially four planetary rolls.
Particularly preferably be, said skew rolling mill has an adjusting device relevant with the measured value of measuring instrument, is used to influence a driving parameters of skew rolling mill, like the rotation of oblique milling roller or planetary roll.
In a planetary skew rolling mill, said main drive and additional drive system preferably have separate regulating system.But also can use the adjusting device of a combination, it only influences a drive unit according to measured value or influences the driving parameters of two drive units simultaneously.Especially preferred is to keep only regulating additional drive system under the constant condition of main drive revolution.
In a preferred embodiment, said measuring instrument is the measuring instrument of a noncontacting measurement.But also can use other measuring method, the measuring method of machinery for example is as based on the sealed measuring method of friction.
Be particularly useful for the rolled piece of rolling special thin-walled well according to method of the present invention with according to rolling equipment of the present invention.Zone is rolling and the rolled piece said thin-walled that another zone is rolled in longitudinal rolling mills is easy to fold especially under the torque load situation in skew rolling mill.
Description of drawings
Describe the present invention in detail by means of the embodiment shown in the accompanying drawings below.In the accompanying drawing
Fig. 1 has a planetary skew rolling mill and a longitudinal rolling mills according to the diagrammatic side view of rolling equipment of the present invention, treats rolling rolled piece before entering into longitudinal rolling mills,
Fig. 2 has a planetary skew rolling mill and a longitudinal rolling mills according to the diagrammatic side view of rolling equipment of the present invention, treats rolling rolled piece after entering into longitudinal rolling mills,
Fig. 3 sketch map illustrates the control loop according to rolling equipment of the present invention.
The specific embodiment
At rolling equipment shown in Fig. 1, it comprises a planetary skew rolling mill 20, a longitudinal rolling mills 25 and a measuring instrument 8 that is arranged on therebetween.
Said planetary skew rolling mill 20 is made up of a plurality of planetary rolls 1, and they roll on rolled piece 6 with its underpart section.Not only all tilting in the vertical plane but also in horizontal plane at the longitudinal axis of this planetary roll 1 with respect to rolled piece 6.
Said planetary roll 1 can be rotated to support in the rotor 2 in its back-end, and its rotation overlaps with the longitudinal axis of rolled piece.Said rotor 2 drives through the output shaft 3 of a decelerator by a main drive.This rotor 2 is carried out rotatablely moving around rolled piece 6 with the planetary roll 1 that is bearing in wherein.
In addition, some gears 4 are arranged on planetary roll 1, these gears and sun gear 5 engagements.Through with this engagement of sun gear 5, planetary roll 1 is in the rotation around self axis along with the rotation of rotor 2.
Said sun gear 5 drives through the output shaft 7 of a decelerator by a stack drive unit (additional drive system).The rotatablely move rotation of a stack causing planetary roll 1 of this of said sun gear is that it rotatablely moves by two and produce.
Through of the stack of planetary roll 1, can under the situation that rolled piece 6 moves without spin, be rolled with rotor 2 rotations.Ratio between necessary for this reason rotor 2 rotating speeds and planetary roll 1 rotating speed changes according to the parameter that changes during the operation of rolling, changes like localized variation, variations in temperature, mill scale deposition or the skin-friction coefficient of the material situation of rolling raw material.A measuring instrument 8 is set in the outlet of skew rolling mill, and it is surveyed maybe be because parameter changes the n that rotatablely moves of the rolled piece 6 that causes
RohrAnd be delivered to a computer 9.By rotation speed n
RohrDerive a rotation speed difference deltan n, the theoretical value set-point addition of the outside of it and additional drive system 35.Obtain the theoretical rotational speed n of additional drive system 35 engines thus
Soll, so it depends on rotation speed n
RohrAn additional engine controller 30 is responsible for keeping set-point n
Soll
Said main drive 45 has a regulating loop 40 that is independent of additional or superposition gearing, and it only is responsible for regulating the theoretical value set-point of the outside that keeps main drive 45.
At the rolling equipment during adjustment process shown in Fig. 1, before rolled piece 6 got into longitudinal rolling mills 25, adjustment process preferably finished.Entered into longitudinal rolling mills 25 at rolled piece described in Fig. 26.This rolled piece no longer centers on rotatablely moving of self axis.Said system is positioned at the state that gets into adjusted.
Claims (14)
1. method that is used at a rolling rolled piece of rolling equipment; This rolling equipment has a planetary skew rolling mill and the longitudinal rolling mills behind this planetary skew rolling mill; Wherein a zone of said rolled piece is rolling by planetary skew rolling mill during rolling; And simultaneously another zone is rolling by longitudinal rolling mills, it is characterized in that, for the rotation of preventing said rolled piece and prevent in planetary skew rolling mill and the torque load of the rolled piece that in longitudinal rolling mills, clamps; Rotating longitudinally around it of said rolled piece (6) surveyed, and at least one driving parameters of said planetary skew rolling mill (20) is regulated by means of this measured value.
2. the method for claim 1 is characterized in that, carries out said at least one driving parameters that measured value is surveyed and regulated skew rolling mill (20) continuously continuously.
3. according to claim 1 or claim 2 method is characterized in that said rolled piece is rolled, wherein in a planetary skew rolling mill (20)
-one main drive drives a rotor (2) that surrounds rolled piece, and in this rotor (2) rotatably mounted planetary roll (1), and
-one additional drive system makes said planetary roll (1) additionally around its longitudinal axis rotation separately.
4. method as claimed in claim 3 is characterized in that
-regulate rotor (2) and planetary roll (1) by means of given theoretical value rotary speed also
-change one of them theoretical value at least according to measured value.
5. method as claimed in claim 3 is characterized in that, only regulates the rotating speed of a drive unit according to the measured value of being surveyed.
6. method as claimed in claim 5 is characterized in that, said additional drive system is regulated.
7. according to claim 1 or claim 2 method is characterized in that, carries out a kind of noncontacting measurement.
8. according to claim 1 or claim 2 method is characterized in that, carries out a kind of mechanical measurement.
9. one kind is used for following the rolling equipment at thereafter the rolling rolled piece of longitudinal rolling mills a planetary skew rolling mill and one; It is characterized in that; For the rotation of preventing said rolled piece and prevent in planetary skew rolling mill and the torque load of the rolled piece that in longitudinal rolling mills, clamps; Have a measuring instrument (8) that is arranged between planetary skew rolling mill (20) and the longitudinal rolling mills (25), be used for confirming the rotation of said rolled piece (6).
10. rolling equipment as claimed in claim 9 is characterized in that having
-one main drive that is used for making rotor (a 2) rotation of surrounding rolled piece (6) with some can be rotated to support on this rotor planetary roll (1) and
-one additional drive system that makes said planetary roll (1) around its longitudinal axis rotation.
11., it is characterized in that having an adjusting device like claim 9 or 10 described rolling equipments, be used for influencing a driving parameters of said skew rolling mill (20) according to the measured value of said measuring instrument (8).
12., it is characterized in that having an adjusting device like claim 9 or 10 described rolling equipments, it is made up of two separate separate regulating systems that are used for main drive and additional drive system.
13., it is characterized in that having a contactless measuring instrument (8) like claim 9 or 10 described rolling equipments.
14., it is characterized in that having a mechanical type measuring instrument like claim 9 or 10 described rolling equipments.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2003149056 DE10349056A1 (en) | 2003-10-17 | 2003-10-17 | Process for rolling rolling stock e.g. metal rods in a rolling mill comprises measuring the rotation of the rolling stock about its longitudinal direction, and controlling a drive parameter of a planetary cross rolling mill |
| DE10349056.6 | 2003-10-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1608761A CN1608761A (en) | 2005-04-27 |
| CN1608761B true CN1608761B (en) | 2012-09-19 |
Family
ID=34442183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200410085011.0A Expired - Fee Related CN1608761B (en) | 2003-10-17 | 2004-10-13 | Method and equipment for rolling rolled piece in a rolling equipment with diagonal rolling machine |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN1608761B (en) |
| DE (1) | DE10349056A1 (en) |
| IT (1) | ITRM20040495A1 (en) |
| RU (1) | RU2366524C2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007014079A1 (en) * | 2007-03-21 | 2008-09-25 | Kocks Technik Gmbh & Co. Kg | Method and device for rolling rolling in a rolling mill with a cross rolling mill |
| CN104438990B (en) * | 2014-10-15 | 2016-11-23 | 张家港中环海陆特锻股份有限公司 | A kind of large-scale vertical is combined machine for rolling ring and control method |
| DE102016219723A1 (en) * | 2016-10-11 | 2018-04-12 | Sms Group Gmbh | Piercing mill |
| CN106391709B (en) * | 2016-12-20 | 2019-01-04 | 广东海亮铜业有限公司 | Continuous rolling planetary rolling |
| DE102018003434A1 (en) * | 2018-04-27 | 2019-10-31 | Sms Group Gmbh | Cross rolling mill with hydraulic roller adjustment |
| CN110270590B (en) * | 2019-06-20 | 2020-06-26 | 北京科技大学 | Double-rotating-shaft flexible skew rolling mill |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19510715C1 (en) * | 1995-03-24 | 1996-07-25 | Kocks Technik | Angled rolling device for tubes or rods |
| DE19711257A1 (en) * | 1997-03-18 | 1998-09-24 | Schloemann Siemag Ag | Sensor for a planetary skew rolling mill as a CCD camera |
| CN2384697Y (en) * | 1999-08-06 | 2000-06-28 | 海门市江滨永久铜管厂 | Three roller planary rolling mill |
| CN1328886A (en) * | 2000-06-14 | 2002-01-02 | Sms德马格股份公司 | Method for rolling pipe billet in planary web roll piercing mill |
| CN1413130A (en) * | 1999-12-21 | 2003-04-23 | 奥托库姆普联合股份公司 | Roller head for planetary rolling mill |
-
2003
- 2003-10-17 DE DE2003149056 patent/DE10349056A1/en not_active Ceased
-
2004
- 2004-10-13 IT ITRM20040495 patent/ITRM20040495A1/en unknown
- 2004-10-13 CN CN200410085011.0A patent/CN1608761B/en not_active Expired - Fee Related
- 2004-10-15 RU RU2004130361/02A patent/RU2366524C2/en active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19510715C1 (en) * | 1995-03-24 | 1996-07-25 | Kocks Technik | Angled rolling device for tubes or rods |
| DE19711257A1 (en) * | 1997-03-18 | 1998-09-24 | Schloemann Siemag Ag | Sensor for a planetary skew rolling mill as a CCD camera |
| CN2384697Y (en) * | 1999-08-06 | 2000-06-28 | 海门市江滨永久铜管厂 | Three roller planary rolling mill |
| CN1413130A (en) * | 1999-12-21 | 2003-04-23 | 奥托库姆普联合股份公司 | Roller head for planetary rolling mill |
| CN1328886A (en) * | 2000-06-14 | 2002-01-02 | Sms德马格股份公司 | Method for rolling pipe billet in planary web roll piercing mill |
Non-Patent Citations (1)
| Title |
|---|
| 摘要. |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10349056A1 (en) | 2005-05-19 |
| CN1608761A (en) | 2005-04-27 |
| ITRM20040495A1 (en) | 2005-01-13 |
| RU2004130361A (en) | 2006-04-10 |
| RU2366524C2 (en) | 2009-09-10 |
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