CN104384202A - Oxygen-free copper strip billet continuous extrusion and rolling production line control system and control method thereof - Google Patents
Oxygen-free copper strip billet continuous extrusion and rolling production line control system and control method thereof Download PDFInfo
- Publication number
- CN104384202A CN104384202A CN201410723230.0A CN201410723230A CN104384202A CN 104384202 A CN104384202 A CN 104384202A CN 201410723230 A CN201410723230 A CN 201410723230A CN 104384202 A CN104384202 A CN 104384202A
- Authority
- CN
- China
- Prior art keywords
- plc
- rotating speed
- milling train
- copper strip
- control system
- 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.)
- Pending
Links
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
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
- B21B37/18—Automatic gauge control
- B21B37/20—Automatic gauge control in tandem mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/04—Thickness, gauge
- B21B2261/043—Blanks with variable thickness in the rolling direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2271/00—Mill stand parameters
- B21B2271/02—Roll gap, screw-down position, draft position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2275/00—Mill drive parameters
- B21B2275/02—Speed
- B21B2275/04—Roll speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2275/00—Mill drive parameters
- B21B2275/02—Speed
- B21B2275/08—Coiler speed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention discloses an oxygen-free copper strip billet continuous extrusion and rolling production line control system which comprises an extrusion machine and a PLC. The extrusion machine is matched with a pay-off reel. The extrusion machine is connected with a rolling mill through a seal anti-oxidization protecting tube. The rolling mill is connected with a water seal cooling tank through a seal anti-oxidization protecting tube. The system further comprises a traction machine, a hydraulic shear and winding machine which are sequentially disposed on a production line. The control system further comprises a laser velocimeter, a first thickness gauge and a second thickness gauge, wherein the first thickness gauge and the second thickness gauge are respectively disposed at the inlet and the outlet of the rolling mill and communicate data with the PLC. The PLC is connected with a first frequency converter for controlling the rotation speed of the rolling mill, a second frequency converter for controlling the rotation speed of the traction machine, and a third frequency converter for controlling the rotation speed of the winding machine. The control system further comprises a displacement sensor for detecting the rolling reduction displacement of the rolling mill, and the displacement sensor transmits detected data information to the PLC.
Description
Technical field
The invention belongs to mechanical equipment technical field, particularly relate to a kind of oxygen-free copper belt blank and connect crowded rolling production line control system and control method thereof.
Background technology
Connect squeeze continuous rolling process method be directly connected continuously extruded online with rolling, can realize energy-conservation, technological process is short, can realize the advantages such as heavy-weight coil.But due to the surface of copper strips blank and inherent grainiess all very poor, therefore need to carry out peeling etc. production process to this copper strip billet, and need the thickness before and after to the production of the copper strip billet on production line to carry out detecting in real time and ensure to produce qualified product.And the control accuracy of the crowded rolling production line control system of oxygen-free copper belt blank company is not high in prior art, the copper strip billet produced is caused not meet product specification.
Summary of the invention
According to prior art Problems existing, the invention discloses a kind of oxygen-free copper belt blank and connect crowded rolling production line control system, comprise and the extruder of draw drum cooperating and PLC, described extruder is connected with milling train by sealing protection against oxidation pipe, described milling train is connected with water seal cooling bath by sealing protection against oxidation pipe, and this system also comprises the hauling machine be positioned at successively on production line, hydraulic shear and winder;
This control system also comprises laser velocimeter, calibrator one and calibrator two, and described laser velocimeter at high temperature detects the continuously extruded velocity information of copper strip billet in real time and the information detected is sent to PLC; Described calibrator one and calibrator two are separately positioned on the porch of milling train and exit and PLC and carry out data communication, and described PLC and the frequency converter one controlling milling train rotating speed, the frequency converter two controlling hauling machine rotating speed are connected with the frequency converter three of the rotating speed controlling winder;
This control system also comprises the displacement transducer for detecting rolling mill screwdown amount displacement size, and the data message detected is sent to PLC by institute's displacement sensors;
Under duty, PLC controls: the rotating speed of milling train 5 is consistent with copper strip billet product line speed, and the rotating speed of hauling machine is consistent with the rotating speed of milling train, and the winding wire speed of winder is consistent with hauling machine speed.
A kind of oxygen-free copper belt blank connects the control method of squeezing rolling production line control system: comprise the following steps:
Step 1: enter in sealing protection against oxidation pipe when the oxygen-free copper bar on draw drum enters after extruder extrudes;
Step 2: laser velocimeter at high temperature detects the linear velocity of copper strip billet and continuously extruded speed in real time;
Step 3: calibrator one detects the thickness before copper strip billet enters milling train and testing result is sent to PLC, described PLC contrasts according to the standard inlet thickness value of its storage inside, calculates the inlet thickness deviate produced;
Step 4: after mill milling measured by calibrator two copper strip billet thickness and testing result is sent to PLC, described PLC contrasts according to the fixed value of roller slit of its storage inside, calculate produce exit thickness deviate,
Step 5: using the difference of fixed value of roller slit and displacement sensor value as the set-point of pid control algorithm in PLC program, using inlet thickness deviate and exit thickness deviate as value of feedback, pid control algorithm in PLC program calculates applicable controlled quentity controlled variable and controls in real time to drive screw-down, controls the control that drafts realizes plate thickness;
Step 6: the rotating speed that described PLC controls hauling machine by frequency converter two makes it consistent with the rotating speed of milling train, and hauling machine produces certain rolling backward pull, maintains connect crowded tandem rolling state normally when change of lap after cutting off copper strip billet;
Step 7: the rotating speed that described PLC controls winder by frequency converter three makes it consistent with the rotating speed of hauling machine, and the copper strip billet product produced is wound into dish by winder.
Owing to have employed technique scheme, a kind of oxygen-free copper belt blank provided by the invention connects crowded rolling production line control system and control method thereof, by the rotating speed of the rotating speed of milling train, the rotating speed of hauling machine and the winder on PLC and multiple Frequency Converter Control production line, and after the thickness detected in real time before copper strip billet enters milling train in process of production and mill milling copper strip billet thickness thus control the work of screw-down in real time, control drafts, realize strip thickness control.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that oxygen-free copper belt blank of the present invention connects the structural representation squeezing rolling production line control system;
Fig. 2 is that oxygen-free copper belt blank of the present invention connects crowded continuous rolling production line method for controlling thickness schematic diagram.
In figure: 1. draw drum, 2. extruder, 3. laser velocimeter, 4. calibrator one, 5. milling train, 6. calibrator two, 7.PLC, 8. frequency converter one, 9. frequency converter two, 10. seal protection against oxidation pipe, 11. water seal cooling baths, 12. hauling machines, 13. hydraulic shears, 14. winders, 15. frequency converter three, 16 displacement transducers;
Detailed description of the invention
For making technical scheme of the present invention and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear complete description is carried out to the technical scheme in the embodiment of the present invention:
A kind of oxygen-free copper belt blank as shown in Figure 1 connects crowded rolling production line control system; comprise: with extruder 2 and the PLC 7 of draw drum 1 cooperating; described extruder 2 is connected with milling train 5 by sealing protection against oxidation pipe 10; described milling train 5 is connected with water seal cooling bath 11 by sealing protection against oxidation pipe 10, and this system also comprises the hauling machine 12 be positioned at successively on production line, hydraulic shear 13 and winder 14.
This control system also comprises: laser velocimeter 3, calibrator 1 and calibrator 26, described calibrator 1 and calibrator 26 are separately positioned on the porch of milling train 5 and exit and PLC 7 and carry out data communication, described PLC 7 with control the frequency converter 1 of milling train 5 rotating speed, the frequency converter 29 controlling hauling machine 12 rotating speed and the frequency converter 3 15 that controls winder 14 rotating speed is connected; This system also comprises the displacement transducer 16 for detecting milling train 5 drafts displacement size, and the data message detected is sent to PLC 7 by institute's displacement sensors 16.Described laser velocimeter 3 at high temperature detects the continuously extruded velocity information of copper strip billet in real time and the information detected is sent to PLC 7.
Under duty, PLC7 controls: the rotating speed of milling train 5 is consistent with copper strip billet product line speed, and the rotating speed of hauling machine 12 is consistent with the rotating speed of milling train 5, and the winding wire speed of winder 14 is consistent with hauling machine 12 speed.
Measured value is also sent to PLC7 by laser velocimeter 3 real time measurement product linear velocity, and PLC7 calculates rate controlling amount according to certain control algolithm, exports control signal to frequency converter 1, the rotating speed of milling train 5 is mated with extrusion speed, and produces certain tension force.
Frequency converter 29 controls the rotating speed of hauling machine 12, and rotational speed setup signal is sent by PLC 7.To keep the rotating speed of hauling machine 12 synchronous with extrusion speed; The effect of hauling machine 12 produces certain rolling backward pull, and maintain after cutting off copper strip billet when change of lap with hydraulic shear 13 and connect crowded tandem rolling state normally.
Frequency converter 3 15 controls the rotating speed of winder 14, and rotational speed setup signal is provided by PLC7, to keep the winding wire speed of winder 14 synchronous with hauling speed.The effect of winder 14 is that the copper strip billet product produced is wound into dish.
A kind of oxygen-free copper belt blank connects the control method of squeezing rolling production line control system and comprises the following steps as shown in Figure 2:
Step 1: enter in sealing protection against oxidation pipe 10 when the oxygen-free copper bar on draw drum 1 enters after extruder 2 extrudes;
Step 2: laser velocimeter 3 at high temperature detects the linear velocity of copper strip billet and continuously extruded speed in real time;
Step 3: calibrator 1 detects copper strip billet and enters the thickness before milling train 5 and testing result is sent to PLC 7, and described PLC7 contrasts according to the standard inlet thickness value of its storage inside, calculates the inlet thickness deviate produced;
Step 4: after milling train 5 rolling measured by calibrator 26 copper strip billet thickness and testing result is sent to PLC 7, described PLC7 contrasts according to the fixed value of roller slit of its storage inside, calculates the exit thickness deviate produced,
Step 5: using the difference of fixed value of roller slit and displacement transducer 16 measured value as the set-point of pid control algorithm in PLC7 program, using inlet thickness deviate and exit thickness deviate as value of feedback, pid control algorithm in PLC7 program calculates applicable controlled quentity controlled variable and controls in real time to drive screw-down, controls the control that drafts realizes plate thickness;
Step 6: the rotating speed that described PLC7 controls hauling machine 12 by frequency converter 29 makes it consistent with the rotating speed of milling train 5, and hauling machine 12 produces certain rolling backward pull, maintains connect crowded tandem rolling state normally when change of lap after cutting off copper strip billet;
Step 7: the rotating speed that described PLC7 controls winder 14 by frequency converter 3 15 makes it consistent with the rotating speed of hauling machine 12, and the copper strip billet product produced is wound into dish by winder 14.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (2)
1. an oxygen-free copper belt blank connects crowded rolling production line control system, it is characterized in that comprising: with extruder (2) and the PLC (7) of draw drum (1) cooperating, described extruder (2) is connected with milling train (5) by sealing protection against oxidation pipe (10), described milling train (5) is connected with water seal cooling bath (11) by sealing protection against oxidation pipe (10), and this system also comprises the hauling machine (12) be positioned at successively on production line, hydraulic shear (13) and winder (14);
This control system also comprises laser velocimeter (3), calibrator one (4) and calibrator two (6), and described laser velocimeter (3) at high temperature detects the continuously extruded velocity information of copper strip billet in real time and the information detected is sent to PLC (7); Described calibrator one (4) and calibrator two (6) are separately positioned on the porch of milling train (5) and exit and PLC (7) and carry out data communication, and described PLC (7) and the frequency converter one (8) controlling milling train (5) rotating speed, the frequency converter two (9) controlling hauling machine (12) rotating speed are connected with the frequency converter three (15) of the rotating speed controlling winder (14);
This control system also comprises the displacement transducer (16) for detecting milling train (5) drafts displacement size, and the data message detected is sent to PLC (7) by institute's displacement sensors (16);
Under duty, PLC (7) controls: the rotating speed of milling train (5) is consistent with copper strip billet product line speed, the rotating speed of hauling machine (12) is consistent with the rotating speed of milling train (5), and the winding wire speed of winder (14) is consistent with hauling machine (12) speed.
2. a kind of oxygen-free copper belt blank as claimed in claim 1 connects the control method of squeezing rolling production line control system: it is characterized in that: comprise the following steps:
Step 1: enter in sealing protection against oxidation pipe (10) when the oxygen-free copper bar on draw drum (1) enters after extruder (2) extrudes;
Step 2: laser velocimeter (3) at high temperature detects the linear velocity of copper strip billet and continuously extruded speed in real time;
Step 3: calibrator one (4) detects copper strip billet and enters the thickness before milling train (5) and testing result be sent to PLC (7), described PLC (7) contrasts according to the standard inlet thickness value of its storage inside, calculates the inlet thickness deviate produced;
Step 4: calibrator two (6) is measured the thickness of copper strip billet after milling train (5) rolling and testing result is sent to PLC (7), described PLC (7) contrasts according to the fixed value of roller slit of its storage inside, calculate the exit thickness deviate produced
Step 5: using the difference of fixed value of roller slit and displacement transducer (16) measured value as the set-point of pid control algorithm in PLC (7) program, using inlet thickness deviate and exit thickness deviate as value of feedback, pid control algorithm in PLC (7) program calculates applicable controlled quentity controlled variable and controls in real time to drive screw-down, controls the control that drafts realizes plate thickness;
The rotating speed that step 6: described PLC (7) controls hauling machine (12) by frequency converter two (9) makes it consistent with the rotating speed of milling train (5), hauling machine (12) produces certain rolling backward pull, maintains connect crowded tandem rolling state normally when change of lap after cutting off copper strip billet;
The rotating speed that step 7: described PLC (7) controls winder (14) by frequency converter three (15) makes it consistent with the rotating speed of hauling machine (12), and the copper strip billet product produced is wound into dish by winder (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723230.0A CN104384202A (en) | 2014-12-02 | 2014-12-02 | Oxygen-free copper strip billet continuous extrusion and rolling production line control system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723230.0A CN104384202A (en) | 2014-12-02 | 2014-12-02 | Oxygen-free copper strip billet continuous extrusion and rolling production line control system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104384202A true CN104384202A (en) | 2015-03-04 |
Family
ID=52602213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410723230.0A Pending CN104384202A (en) | 2014-12-02 | 2014-12-02 | Oxygen-free copper strip billet continuous extrusion and rolling production line control system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104384202A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670256A (en) * | 2017-02-27 | 2017-05-17 | 江西凯顺科技有限公司 | Copper/aluminum sheet and strip continuous extrusion-rolling and molding set |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001137921A (en) * | 1999-11-12 | 2001-05-22 | Kobe Steel Ltd | Thickness controller for rolling mill |
| US6286348B1 (en) * | 1999-04-09 | 2001-09-11 | Kabushiki Kaisha Toshiba | Strip thickness controller for rolling mill |
| CN201172067Y (en) * | 2008-04-13 | 2008-12-31 | 无锡环胜金属制品有限公司 | Automatic thickness control device for rolling mill |
| CN101712050A (en) * | 2009-11-24 | 2010-05-26 | 大连康丰科技有限公司 | Continuous extrusion and continuous rolling process method and production line used for producing oxygen-free copper strip billet |
| CN201950071U (en) * | 2010-12-17 | 2011-08-31 | 中冶南方工程技术有限公司 | High precision automatic thickness control device based on thickness meter segment monitoring |
| CN203155749U (en) * | 2013-03-05 | 2013-08-28 | 大连交通大学 | Oxygen-free copper strip billet continuous extrusion and continuous rolling production line control system |
| CN203648996U (en) * | 2013-12-17 | 2014-06-18 | 北京七星华创电子股份有限公司 | Roller gap control device |
-
2014
- 2014-12-02 CN CN201410723230.0A patent/CN104384202A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6286348B1 (en) * | 1999-04-09 | 2001-09-11 | Kabushiki Kaisha Toshiba | Strip thickness controller for rolling mill |
| JP2001137921A (en) * | 1999-11-12 | 2001-05-22 | Kobe Steel Ltd | Thickness controller for rolling mill |
| CN201172067Y (en) * | 2008-04-13 | 2008-12-31 | 无锡环胜金属制品有限公司 | Automatic thickness control device for rolling mill |
| CN101712050A (en) * | 2009-11-24 | 2010-05-26 | 大连康丰科技有限公司 | Continuous extrusion and continuous rolling process method and production line used for producing oxygen-free copper strip billet |
| CN201950071U (en) * | 2010-12-17 | 2011-08-31 | 中冶南方工程技术有限公司 | High precision automatic thickness control device based on thickness meter segment monitoring |
| CN203155749U (en) * | 2013-03-05 | 2013-08-28 | 大连交通大学 | Oxygen-free copper strip billet continuous extrusion and continuous rolling production line control system |
| CN203648996U (en) * | 2013-12-17 | 2014-06-18 | 北京七星华创电子股份有限公司 | Roller gap control device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670256A (en) * | 2017-02-27 | 2017-05-17 | 江西凯顺科技有限公司 | Copper/aluminum sheet and strip continuous extrusion-rolling and molding set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106744028B (en) | Tension control system | |
| CN105344712B (en) | Starting method for raw material plate of cold continuous rolling mill | |
| CN103662932B (en) | Printing machine rolling tension control process based on piecewise function curve | |
| CN207057275U (en) | A kind of strip for being used for five Stands Cold Tandem Mill groups winds off volume induction system | |
| CN106392664B (en) | Aluminum welded pipe dynamic intelligent control continuous operation control method and production line | |
| CN101585058A (en) | Band steel stretch-bending straightening system capable of controlling elongation rate and control method thereof | |
| CN104307892A (en) | Method for strip head correction in continuous rolling strip threading process | |
| CN110732557A (en) | Full-automatic drift control method and system for cold rolling continuous annealing unit | |
| CN105964688B (en) | A kind of auto-reverse cold rolling control device and control method | |
| CN102218450A (en) | Control device of fine-finishing continuous rolling mill, control method and control mode generating method | |
| CN104249084B (en) | A kind of method improving band steel portion's width accuracy end to end when hot continuous rolling is produced | |
| CN201148296Y (en) | Uncoiling tension control apparatus | |
| CN105584880A (en) | Continuous winding control system for flexible strip material and control method of system | |
| CN104384202A (en) | Oxygen-free copper strip billet continuous extrusion and rolling production line control system and control method thereof | |
| CN104043681A (en) | Reeling machine's wrapper roller gap zero adjustment method | |
| CN204473975U (en) | Lithium cell external packing aluminium foil wrap-up | |
| CN105642670A (en) | Coiling type warm-rolling device and method for high-silicon steel | |
| CN103121045A (en) | Method and equipment for producing double-metal composite material by lapping metal strip | |
| CN107020299B (en) | A kind of tail portion lamination identification monitoring method of hot rolling coiler | |
| CN203714926U (en) | Fixed-length feeding device applied to sheet flying shear production line | |
| CN203155749U (en) | Oxygen-free copper strip billet continuous extrusion and continuous rolling production line control system | |
| CN203917405U (en) | Cold rolling straightener roll gap automatic regulating apparatus | |
| CN103412140B (en) | A kind of amorphous band convoluting speed measuring system and method | |
| CN107416583B (en) | Control system and control method of special-shaped steel strip rewinder | |
| CN115028002A (en) | Coil diameter calculation correction control method and system for uncoiler of galvanizing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150304 |