CN201172067Y - Automatic thickness control device for rolling mill - Google Patents
Automatic thickness control device for rolling mill Download PDFInfo
- Publication number
- CN201172067Y CN201172067Y CNU2008200351883U CN200820035188U CN201172067Y CN 201172067 Y CN201172067 Y CN 201172067Y CN U2008200351883 U CNU2008200351883 U CN U2008200351883U CN 200820035188 U CN200820035188 U CN 200820035188U CN 201172067 Y CN201172067 Y CN 201172067Y
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- computer
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- milling train
- inlet
- roller
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Abstract
The utility model discloses an automatic thickness control device for a rolling mill, which comprises a rolling mill. The automatic thickness control device for the rolling mill is characterized in that a computer, a servo mechanism and a screwdown cylinder are also arranged, wherein, the screwdown cylinder is arranged over the rolling mill; a piston rod of the screwdown cylinder faces downwards and is connected with bearing seats at both ends of a work roller on the rolling mill; the oil inlet and the oil outlet of the screwdown cylinder are respectively communicated with the oil outlet and the oil inlet of the servo mechanism; the control end of the servo mechanism is connected with the computer; a position sensor is arranged on the screwdown cylinder and connected with the computer by leads; the inlet side and the outlet side of the rolling mill are respectively provided with an inlet speed measuring roller and an outlet speed measuring roller; two encoders are respectively arranged on the inlet speed measuring roller and the outlet speed measuring roller and connected with a speed measuring circuit in the computer by leads; the inlet side and the outlet side of the rolling mill are respectively provided with an inlet thickness gauge and an outlet thickness gauge which are connected with the deflection ports of the computer by leads. The automatic thickness control device can ensure the rolling quality of strips, can enable the rolled strips to have higher quality, and is suitable for controlling the rolling thickness of the strips.
Description
Technical field
The utility model relates to automaton.Specifically, be the device for automatically control thickness that utilizes in the cold-rolling mill rolled strip process, is used for controlling thickness of strip.
Background technology
All know in the band processing industry,, in the operation of rolling, need its thickness is controlled at band for guaranteeing the rolling quality of band.Conventional method is to adopt calibrator the rolling band actual (real) thickness that comes out to be measured and shown and fed back to the operator by display screen, is come the rolling thickness of band is regulated by the gap of adjusting between the milling train double-working according to technological requirement by the operator.Adjust and need the time owing to be shown to the breaker roll gap from display screen, by strip several rice of having passed by, and the thickness of these several meters bands is with to regulate afterwards rolling thickness of strip different in this time.In addition, in the strip-rolling process, the distortion of operation roll of mill and variation of temperature all may feed through to by the thickness of strip, and are changed by the thickness of strip that these factors cause, can't adopt said method to regulate.Therefore, the strip quality that adopts said method to roll out is difficult to guarantee, and is of low quality.
The utility model content
Problem to be solved in the utility model provides a kind of milling train device for automatically control thickness.Adopt this device for automatically control thickness, can guarantee the rolling quality of band, rolling strip quality is higher.
For addressing the above problem, take following technical scheme:
Milling train of the present utility model comprises milling train with device for automatically control thickness.Be characterized in also comprising computer, servo control mechanism and depress oil cylinder.Depress oil cylinder is in the milling train top, and its piston rod links to each other down and with the bearing block at milling train top working roll two ends, and its oil inlet and outlet is communicated with the oil-in that goes out of servo control mechanism respectively.The control end of servo control mechanism links to each other with computer.Position sensor on the depress oil cylinder, this position sensor links to each other with computer by lead.The entrance side of milling train and outlet side have inlet roller and the outlet roller that tests the speed that tests the speed respectively, and this two tests the speed and encoder is all arranged on the roller, and two encoders all link to each other with tachometer circuit in the computer by lead.The entrance side of milling train and outlet side have inlet calibrator and outlet calibrator respectively, and this two calibrator all links to each other with the deviation port of computer by lead.
Wherein, the inlet calibrator is in inlet and tests the speed between roller and the milling train, and the outlet calibrator is in outlet and tests the speed between roller and the milling train.
Take such scheme, have the following advantages:
Because the utility model is furnished with computer, servo control mechanism and depress oil cylinder on milling train.Depress oil cylinder is in the milling train top, and its piston rod links to each other down and with the bearing block at top working roll two ends, and its oil inlet and outlet is communicated with the oil-in that goes out of servo control mechanism respectively.The control end of servo control mechanism links to each other with computer.Position sensor on the depress oil cylinder, this position sensor links to each other with computer by lead.The entrance side of milling train and outlet side have inlet roller and the outlet roller that tests the speed that tests the speed respectively, and this two tests the speed and encoder is all arranged on the roller, and two encoders all link to each other with computer by lead.The entrance side of milling train and outlet side have inlet calibrator and outlet calibrator respectively, and this two calibrator all links to each other with the deviation port of computer by lead.During work, read the band actual size after rolling and convert the signal of telecommunication to and give computer, the thickness of strip and the setting value of import and export are compared by computer by test the speed roller and outlet calibrator of outlet.As the thickness of strip that rolls out is bigger or little than setting value, and computer automatically instruction of output is given servo control mechanism, makes by servo control mechanism under the piston rod of depress oil cylinder to stretch (pressing to working roll) or withdrawal.Meanwhile, position sensor on the depress oil cylinder piston rod can pass to computer with position signalling, computer is compared by the signal that the outlet signal sent here of calibrator and position sensor are sent here again, the piston rod of depress oil cylinder is stretched out or withdraw according to comparison result, thereby realized by the THICKNESS CONTROL of strip.Compare with conventional method, whole process all is to finish automatically, need not manual adjustment, makes the rolling quality of band improve greatly.
Description of drawings
Accompanying drawing is a device for automatically control thickness schematic diagram of the present utility model.
The specific embodiment
As shown in drawings, device for automatically control thickness of the present utility model comprises milling train, computer 7, servo control mechanism 6 and depress oil cylinder 9.Servo control mechanism 6 wherein is a servo valve.Milling train is provided with top working roll 10 and bottom working roll 3.Depress oil cylinder 9 is in milling train top, and its piston rod links to each other down and with the bearing block at milling train top working roll 10 two ends, and it joins by the going out of oil pipe and servo control mechanism 6, oil-in respectively into and out of hydraulic fluid port.The control end of servo control mechanism 6 links to each other with computer 7 by lead.Position sensor 8 is installed on the piston rod of depress oil cylinder 9, and this position sensor links to each other by the control circuit of depressing in lead and the computer 7.The entrance side of milling train and outlet side are respectively arranged with inlet roller 1 and the outlet roller 5 that tests the speed that tests the speed, and this two tests the speed and encoder all is installed on the roller, and two encoders all link to each other by the tachometer circuit of lead with computer 7.The entrance side of milling train and outlet side are respectively arranged with inlet calibrator 2 and outlet calibrator 4, and this two calibrator all links to each other with the deviation port of computer 7 by lead.
Wherein, inlet calibrator 2 is in inlet and tests the speed between roller 1 and the milling train, and outlet calibrator 4 is in outlet and tests the speed between roller 5 and the milling train.
During work, test earlier, and the signal data of check is inputed to computer 7 by the inlet thickness that roller 1 and inlet calibrator 2 treat strip that tests the speed.After computer 7 receives these thickness signal data, compare with predefined rolling thickness data, and give servo control mechanism 6 with comparative result, pass to depress oil cylinder 9 by servo control mechanism 6, thereby determine whether 9 pairs of milling train top working rolls of depress oil cylinder 10 press down or what press down.And when by strip by behind the mill milling, read the band actual size after rolling and convert the signal of telecommunication to and give computer 7 by test the speed roller 5 and outlet calibrator 4 of outlet, compare by the thickness of strip and the setting value of 7 pairs of import and exports of computer.As the thickness of strip that rolls out is bigger or little than setting value, and computer 7 instruction of output is automatically given servo control mechanism 6, makes by servo control mechanism 6 under the piston rod of depress oil cylinder 9 to stretch (pressing to working roll) or withdrawal.Meanwhile, position sensor 8 on depress oil cylinder 9 piston rods can pass to computer 7 with position signalling, computer 7 is compared by the signal that the outlet signal sent here of calibrator 4 and position sensor 8 are sent here again, the piston rod of depress oil cylinder 9 is stretched out or withdraw according to comparison result, thereby realized being controlled automatically by the thickness of strip.
Claims (3)
1. the milling train device for automatically control thickness comprises milling train; It is characterized in that also comprising computer (7), servo control mechanism (6) and depress oil cylinder (9); Depress oil cylinder (9) is in milling train top, and its piston rod links to each other down and with the bearing block at milling train top working roll (10) two ends, and it is communicated with the going out of servo control mechanism (6), oil-in respectively into and out of hydraulic fluid port; The control end of servo control mechanism (6) links to each other with computer (7); Depress oil cylinder (9) is gone up position sensor (8), and this position sensor links to each other with computer (7) by lead; The entrance side of milling train and outlet side have inlet roller (1) and the outlet roller (5) that tests the speed that tests the speed respectively, and this two tests the speed and encoder is all arranged on the roller, and two encoders all link to each other by the interior tachometer circuit of lead and computer (7); The entrance side of milling train and outlet side have inlet calibrator (2) and outlet calibrator (4) respectively, and this two calibrator all links to each other by the deviation port of lead with computer (7).
2. milling train device for automatically control thickness according to claim 1, the calibrator (2) that it is characterized in that entering the mouth are in inlet and test the speed between roller (1) and the milling train.
3. milling train device for automatically control thickness according to claim 1, it is characterized in that exporting calibrator (4) be in the outlet test the speed between roller (5) and the milling train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200351883U CN201172067Y (en) | 2008-04-13 | 2008-04-13 | Automatic thickness control device for rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200351883U CN201172067Y (en) | 2008-04-13 | 2008-04-13 | Automatic thickness control device for rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201172067Y true CN201172067Y (en) | 2008-12-31 |
Family
ID=40199177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200351883U Expired - Fee Related CN201172067Y (en) | 2008-04-13 | 2008-04-13 | Automatic thickness control device for rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201172067Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384202A (en) * | 2014-12-02 | 2015-03-04 | 大连交通大学 | Oxygen-free copper strip billet continuous extrusion and rolling production line control system and control method thereof |
| CN109622631A (en) * | 2018-12-25 | 2019-04-16 | 中铝瑞闽股份有限公司 | A kind of optimization cold rolling lifting speed section thickness difference method |
-
2008
- 2008-04-13 CN CNU2008200351883U patent/CN201172067Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384202A (en) * | 2014-12-02 | 2015-03-04 | 大连交通大学 | Oxygen-free copper strip billet continuous extrusion and rolling production line control system and control method thereof |
| CN109622631A (en) * | 2018-12-25 | 2019-04-16 | 中铝瑞闽股份有限公司 | A kind of optimization cold rolling lifting speed section thickness difference method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20160413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |