CN1861283A - Combination system for servo-roll-separating and quick-backward of cross-roll straightening machine - Google Patents
Combination system for servo-roll-separating and quick-backward of cross-roll straightening machine Download PDFInfo
- Publication number
- CN1861283A CN1861283A CN 200610017951 CN200610017951A CN1861283A CN 1861283 A CN1861283 A CN 1861283A CN 200610017951 CN200610017951 CN 200610017951 CN 200610017951 A CN200610017951 A CN 200610017951A CN 1861283 A CN1861283 A CN 1861283A
- Authority
- CN
- China
- Prior art keywords
- servo
- oil cylinder
- rewind down
- bite
- cylinder
- 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
Images
Abstract
A servo roller-gap regulation and fast moving back combined system for the cross-roll straightening machine of steel tube features that a serve roller-gap regulation system consisting of a hydraulic regulation valve set and a servo cylinder with displacement sensor is used, and the displacement of the plunger in cylinder is controlled by electric and hydraulic systems.
Description
Technical field
The present invention relates to the roll gap adjusting device of cross-roll straightening machine and the opening fast and depress oil cylinder of roll gap of one of finishing equipment in the metallurgical machinery, specifically a kind of cross roll straightener bite servo adjustment and rewind down combined system.
Background technology
At present, the roll gap of cross-roll straightening machine needs the diameter according to align stocking, adopts with motor or manually is motive mode, by the rotation of decelerator driving screw mandrel, utilizes the change of relative position between leading screw and the nut to reach adjustment gap values between rollers size.This adjustment mode can't realize the adjustment of rolled piece roll gap in the aligning process, therefore reaches best gap values between rollers, needs the long adjustment time.Dynamically straightening force detects continuously in real time, domestic also do not have at present, only be when specific state, short time installing force sensor between the stressed part of machine comes image data, have only the minute quantity valid data, practicality is relatively poor, can't play directive function to the technological improvement and the adjustment parameter of plant equipment.In order to protect tubing; the roll gap that needs when aligning sawing scale tubing is made a concession function; the cross-roll straightening machine of servo adjustment roll gap is when requiring to align roll gap and make a concession fast and depress; realize at short notice the bigger yielding of roll gap apart from the time; because the characteristics of system; the adjustment precision of roll gap will reduce, so can't satisfy the fast-changing requirement of roll gap.
Summary of the invention
The present invention is the deficiency that solves the problems of the technologies described above, overcoming the roll gap adjusting device of existing cross-roll straightening machine can not online dynamic adjustment roll gap and dynamically straightening force and reliable detection, under the state of high-speed, high precision, can't satisfy the fast-changing requirement of roll gap for the cross-roll straightening machine that overcomes servo adjustment roll gap simultaneously, a kind of bite servo adjustment be provided and make a concession fast and press down system, can be convenient and reliable solve the problems of the technologies described above.
The present invention is for solving the problems of the technologies described above, the technical scheme that is adopted is: use by a hydraulic pressure and adjust the bite servo and regulating system that servo-cylinder that valve group and one is provided with displacement transducer is formed, substitute to be installed on the straightening machine frame and constituted the mechanical type roll-separating mechanism by motor reducer, leading screw and nut, by electric and displacement HYDRAULIC CONTROL SYSTEM oil cylinder plunger, can realize easily that the band of roll gap carries dynamic adjustment.Bite servo is adjusted the rewind down oil cylinder, employing is with effective combination of servo adjustment oil cylinder and fixed journey system oil cylinder, the band that can realize roll gap easily carries dynamic adjustment and quick yielding of the desired roll gap of straightening process and press function, makes the cross-roll straightening machine of servo adjustment oil cylinder can satisfy the aligning requirement of high-precision modern pipe production line to various steel pipes fully.Hydraulic circuit is provided with oil pressure sensor, can realize the detection of dynamic of straightening force, a large amount of measured datas of collection, and not only technological improvement and the adjustment parameter to plant equipment plays directive function, and can extend efficient help for the design of cross-roll straightening machine.
The present invention can be in the process of cross-roll straightening machine stocking, adopt the control mode of automatic or manual, by the displacement of HYDRAULIC CONTROL SYSTEM servo-cylinder plunger and the combination action of fixed journey system oil cylinder, the band that can realize roll gap easily carries dynamic adjustment, adjust precision and reach desired flattening precision, and can realize the desired sawing scale of the straightening process tubing function that roll gap is made a concession fast and depressed when aligning at a high speed, the oil pressure sensor that is located on the hydraulic circuit can be realized the straightening force detection of dynamic, detected dynamic straightening force can be used for instructing in real time adjusts parameter and plant maintenance, and has practical function preferably for improving technological parameter.
Description of drawings
Fig. 1 is a hydraulic schematic diagram of the present invention
Fig. 2 is the vertical section structural map that bite servo of the present invention is adjusted the rewind down oil cylinder
Mark among the figure: 1, roll gap control circuit, 2, the servo valve controller, 3, servo valve, 4, oil pressure sensor, 5, bite servo high speed rewind down oil cylinder, 6, displacement transducer, 7, rewind down oil cylinder control valve, 8, the cylinder cap attachment bolt, 9, the rewind down cylinder cap, 10, rewind down oil cylinder piston, 11, the rewind down cylinder block, 12, sealing ring, 13, servoBcylinder cylinder body, 14, servoBcylinder plunger, 15, oil cylinder plunger guide ring, 16, the guide ring hold-down nut.
The specific embodiment
As shown in Figure 1, cross-roll straightening machine is when adjusting the roll gap of smoothing roll, in the electric control system after sending the order (i) that roll gap moves, roll gap control circuit (1) among the PLC is after receiving roll gap adjustment instruction (i), to instruct amplification rear drive servo valve (3) to move by servo valve control amplifier (2), the pressure oil of hydraulic system enters (or outflow) bite servo investigation rewind down oil cylinder (5) by P mouth (or T mouth) through servo valve (3), the plunger of this servo-cylinder is then done and is stretched out moving of (or withdrawal), the displacement of plunger detects and feeds back in the roll gap control circuit (1) by the displacement transducer (6) that links together with the oil cylinder plunger, after comparing with the roll gap adjustment of being received instruction (i), reach the displacement accuracy of default when the difference that is compared after, roll gap control circuit (1) sends the instruction that oil cylinder stops to move, servo valve (3) cuts out, and the piston of bite servo adjustment rewind down oil cylinder (5) is fixed on the position of setting.
The oil pressure of hydraulic system is to determine according to the load of maximum, so bite servo adjustment rewind down oil cylinder (5) is finished roll gap adjustment in the aligning process thereby have moving of enough ability driven plunger when the situation that load exists.Because oil cylinder carries fast than motor of quick dynamic corresponding time when mobile at band, and can be as producing gummed between moving parts in the mechanical transmission mechanism.Therefore, the adjustment precision of the mechanical transmission mechanism of the adjustment ratio of precision motor of servo adjustment oil cylinder deceleration composition wants high and quick.
Opening fast and depress after the aligning roll gap being adjusted of roll gap carried out, and at this moment, servo valve (3) cuts out, and constitutes airtight oil pocket at servo valve (3) and bite servo adjustment rewind down oil cylinder (5).
When roll gap need be opened fast and depress, pass through electric control system, control rewind down oil cylinder control valve (7) action, when bite servo is adjusted rewind down oil cylinder (5) center rewind down oil cylinder piston (10) action, servo-cylinder plunger (13) is realized rising and the down maneuver that stroke is fixing, realizes the rewind down function of roll gap in the fixed position.
On the hydraulic circuit between oil pressure sensor (4) connection servo valve (3) and the bite servo adjustment rewind down oil cylinder (5), the detected dynamic oil pressure value of sensor (4), parameter by oil cylinder, the load spectrum that oil cylinder is born can be determined under various states, the additional force that actual straightening force and oil cylinder bear can be obtained.
As shown in Figure 2, an end of servoBcylinder plunger of the present invention (14) stretches out oil cylinder by oil cylinder plunger guide ring (15), and the other end is in cylinder body.In order to improve the dynamic response performance of piston, under proof strength and rigidity and condition, reduce the quality of piston as far as possible, the present invention adopts hollow-core construction on the top of oil cylinder plunger.On oil cylinder plunger guide ring (15) and the rewind down cylinder body (11) sealing ring and guidance tape are installed.
Bite servo is adjusted rewind down oil cylinder (5) employing rewind down cylinder block (11) and is passed through the cylinder cap attachment bolt with servo cylinder body (13), and the branch body structure of connection is applicable to large-scale oil cylinder, with quality and the reduction manufacturing cost that guarantees cylinder body.
Adjust oil cylinder for adapting to middle-size and small-size bite servo, servo cylinder body (13) and rewind down cylinder body (11) can be made of one, adopt whole servoBcylinder body structure.
By Fig. 1 Fig. 2 as can be known, after adjust the position of servo-cylinder plunger (14), the servo valve (3) of control servoBcylinder plunger (14) quits work, guarantee that the in-oil cylinder liquid volume of adjusting in the rewind down oil cylinder (5) at bite servo of servo adjustment is constant, carry out fast rise and depress action so when rewind down oil cylinder piston (10) moves, can promote servoBcylinder plunger (14).After rewind down oil cylinder piston (10) resetted, the numerical value of roll gap remained unchanged.The invention solves servoBcylinder of common use and both done yielding when action of roll gap adjustment work roll gap fast rise and decline, the reaction time during the slow and final position of servo action is the defective of length.
Claims (6)
1. cross roll straightener bite servo adjustment and rewind down combined system, it is characterized in that: use by a hydraulic pressure adjustment valve group and a bite servo that is provided with displacement transducer and adjust the bite servo and regulating system that rewind down oil cylinder (5) is formed, by electric and displacement HYDRAULIC CONTROL SYSTEM oil cylinder plunger, the band that can realize roll gap easily carries dynamic adjustment, comprising by roll gap control circuit (1), servo valve controller (2), servo valve (3), oil pressure sensor (4), displacement transducer (6), bite servo is adjusted rewind down oil cylinder (5), rewind down oil cylinder control valve (7) is formed.
2. hydraulic pressure according to claim 1 is adjusted the valve group, it is characterized in that: a proportional pressure-reducing valve is set and servo valve (3) is connected in series at oil-in.
3. the bite servo of a kind of cross roll straightener bite servo adjustment according to claim 1 and rewind down combined system is adjusted rewind down oil cylinder (5), it is characterized in that: adopt servo adjustment oil cylinder and the combination of fixed journey system oil cylinder, one end of servoBcylinder plunger (14) stretches out oil cylinder by oil cylinder plunger guide ring (15), the other end is in cylinder body, and hollow-core construction is adopted on the top of oil cylinder plunger.
4. the bite servo of a kind of cross roll straightener bite servo adjustment according to claim 1 and rewind down combined system is adjusted the rewind down oil cylinder, it is characterized in that: the branch body structure that adopts rewind down cylinder block (11) and servo cylinder body (13) to be connected by the cylinder cap attachment bolt.
5. oil pressure sensor according to claim 1 (4) is characterized in that: on the hydraulic circuit between oil pressure sensor (4) connection servo valve (3) and the bite servo adjustment rewind down oil cylinder (5).
6. bite servo according to claim 1 is adjusted rewind down oil cylinder (5), and it is characterized in that: its setting is made up of rewind down cylinder cylinder cap (9), rewind down oil cylinder piston (10), rewind down cylinder block (11), sealing ring (12), servoBcylinder cylinder body (13), servoBcylinder plunger (14), oil cylinder plunger guide ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100179515A CN100402173C (en) | 2006-06-05 | 2006-06-05 | Combination system for servo-roll-separating and quick-backward of cross-roll straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100179515A CN100402173C (en) | 2006-06-05 | 2006-06-05 | Combination system for servo-roll-separating and quick-backward of cross-roll straightening machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1861283A true CN1861283A (en) | 2006-11-15 |
| CN100402173C CN100402173C (en) | 2008-07-16 |
Family
ID=37388865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100179515A Expired - Fee Related CN100402173C (en) | 2006-06-05 | 2006-06-05 | Combination system for servo-roll-separating and quick-backward of cross-roll straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100402173C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434202C (en) * | 2006-12-22 | 2008-11-19 | 洛阳锐腾机械设备有限公司 | Two-stage tandem cross roll straightener bite servo and regulating system |
| CN101704037B (en) * | 2009-11-02 | 2011-12-14 | 一重集团大连设计研究院有限公司 | Hydraulic loop system for controlling roll gap of all-hydraulic flattening machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773268B (en) * | 2012-08-01 | 2014-12-03 | 天津钢铁集团有限公司 | Method for detecting rolling forces during medium plate rolling process |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2657986C3 (en) * | 1976-12-21 | 1981-07-09 | Horst Zerhoch Vorrichtungs- Und Maschinenbau Kg, 7573 Sinzheim | Adjustment device for a sheet leveler to adjust the leveling gap |
| JPS6045012B2 (en) * | 1980-04-25 | 1985-10-07 | 住友重機械工業株式会社 | Upset material straightening machine |
| JPS61115619A (en) * | 1984-11-09 | 1986-06-03 | Sumitomo Metal Ind Ltd | Straightening method of pipe |
| CN2293398Y (en) * | 1996-02-17 | 1998-10-07 | 机械工业部西安重型机械研究所 | Roll-separating mechanism of straightening machine for metal round material |
| CN2360183Y (en) * | 1997-01-21 | 2000-01-26 | 攀枝花钢铁（集团）公司钢铁研究院 | Straightening appts of thermal state rail |
| CN1193836C (en) * | 2001-10-19 | 2005-03-23 | 中国第二重型机械集团公司 | Plate and band material roll gap adjustable flattening machine |
| CN2582773Y (en) * | 2002-11-26 | 2003-10-29 | 中国第二重型机械集团公司 | Portal type universal metal shape material straightening machine |
-
2006
- 2006-06-05 CN CNB2006100179515A patent/CN100402173C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434202C (en) * | 2006-12-22 | 2008-11-19 | 洛阳锐腾机械设备有限公司 | Two-stage tandem cross roll straightener bite servo and regulating system |
| CN101704037B (en) * | 2009-11-02 | 2011-12-14 | 一重集团大连设计研究院有限公司 | Hydraulic loop system for controlling roll gap of all-hydraulic flattening machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100402173C (en) | 2008-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201527232U (en) | Automatic control mechanism for membrane speed and tensile force | |
| CN103010993B (en) | Rope guider for mining puffer | |
| CN106583452B (en) | A kind of optional metal polar thin hoop mill of the kind of drive and its milling method | |
| CN101585058A (en) | Band steel stretch-bending straightening system capable of controlling elongation rate and control method thereof | |
| CN103615436A (en) | Numerical control electric-hydraulic proportioning system of steel tube straightening machine | |
| CN100402173C (en) | Combination system for servo-roll-separating and quick-backward of cross-roll straightening machine | |
| CN201889336U (en) | Hydraulic straightening device | |
| CN110788165B (en) | Rapid calibration control system and control method for roll gap of seven-roll straightener | |
| CN105583353A (en) | High-precision lifting chain correction machine and operation method thereof | |
| CN100434202C (en) | Two-stage tandem cross roll straightener bite servo and regulating system | |
| CN202606507U (en) | Automatic controlling and adjusting device for cross angle of rolls of rolling mill | |
| CN104475613B (en) | Crimping combination bottoming machine | |
| CN101004610A (en) | Device for automatic controlling final position of moving element | |
| CN2930910Y (en) | Roll gap servo adjusting device for inclined roller straightening machine | |
| CN201572796U (en) | Three-roller centering device | |
| CN202945010U (en) | Rope arranging device of small mine winch | |
| CN207682064U (en) | Vertical car crossbeam amount of deflection is servo-actuated compensation device | |
| CN206838803U (en) | A kind of sectional material straightening machine | |
| CN209477006U (en) | U-shaped steel bracket clod wash processing unit (plant) | |
| CN201317101Y (en) | Lifting control device for track of pipe tractor | |
| CN204262235U (en) | Crimping combination bottoming machine | |
| CN203685776U (en) | Numerical control electric-hydraulic proportional system of steel pipe straightening machine | |
| CN2864772Y (en) | Automatic control device for final position of moving parts | |
| CN205551378U (en) | High accuracy load chain inspection machine | |
| CN202037478U (en) | Hydraulic carriage second tool-feeding device for machine tools |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Zhimin Document name: Notice of termination of patent right |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |