CN201760574U - Continuous casting fixed-length detection cutter - Google Patents
Continuous casting fixed-length detection cutter Download PDFInfo
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- CN201760574U CN201760574U CN2010202826846U CN201020282684U CN201760574U CN 201760574 U CN201760574 U CN 201760574U CN 2010202826846 U CN2010202826846 U CN 2010202826846U CN 201020282684 U CN201020282684 U CN 201020282684U CN 201760574 U CN201760574 U CN 201760574U
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Abstract
The utility model relates to a continuous casting fixed-length detection cutter comprising a withdrawal and straightening unit, a cutter unit, a withdrawal and straightening unit coder unit, a human-computer interface unit and a programmable logic control unit. The withdrawal and straightening unit is provided with a driving roller and a driven roller; the programmable logic control unit is connected with the withdrawal and straightening unit, and the human-computer interface unit is connected with the cutter unit to receive pulse signals generated by the withdrawal and straightening unit and convert the pulse signals into casting length values, receive the specified length and specified length deviation correction value input by the human-computer interface unit, compare the specified length setting value corrected by the specified length deviation correction value with the casting length value and send cutting instructions to the cutter unit when the casting length value is greater than or equal to the length setting value. The continuous casting fixed-length detection cutter has the characteristics of high stability, low fault rate, high precision, convenient operation and strong adaptability.
Description
Technical field
The utility model relates to continuous casting machinery apparatus field, more particularly, relates to a kind of continuous casting billet scale that is used for and detects cutter sweep.
Background technology
At present, continuous casting process is widely used in iron and steel metallurgical industry.Usually, the continuous casting manufacturing technique process is: the molten iron that is injected into the crystallizer from tundish forms the strand that has the liquid core through secondary cooling zone; Under the effect of The drawing straightener (abbreviating the straightening machine as), strand is pulled straight from crystallizer and is aligned; After finishing aligning, continuous casting billet is cut into Len req by cutter sweep.The continuous casting billet fixed-length detecting device is used to detect the strand length value, continuous casting billet accurately can be cut into Len req to guarantee cutter sweep.
In the prior art, detect the cutting cut lengths of continuous casting billet usually by the rotation of measuring driven roller.No. 200620130803 Chinese utility model patent of authorizing on January 9th, 2008 discloses a kind of conticaster scale cutter sweep, and the relation between the voltage and current signal that the rotating speed of this patent utilization throwing roller and throwing roller frequency-conversion drive apparatus are exported is measured the length of strand.Yet can there be skidding in the throwing roller usually as driving the driven roller that strand advances between throwing roller and continuous casting billet, and this can cause accurately recording the displacement of strand, thereby causes the Cutting Length that can't accurately control strand.
In on December 16th, 2009 disclosed No. 101602097 Chinese invention patent application public publish a kind of continuous casting billet movement parameter detection apparatus and method, this application is determined the displacement of continuous casting billet by the encoder that is installed on the straightening machine driven voller, thereby can accurately control the Cutting Length of strand.Yet the weak point of the technology of this application is to operate inadequately simple and can not sees the current state of cutting machine intuitively.
In sum, need a kind of Cutting Length that can accurately control strand badly and easy to operate continuous casting billet scale detects cutter sweep.
The utility model content
Above deficiency at the prior art existence, the utility model provides a kind of continuous casting billet scale to detect cutter sweep, in described device, the encoder that detects the continuous casting billet displacement is installed on the driven voller of straightening machine, man-machine interface intercoms mutually with the FPGA control module, thereby can accurately detect the cut lengths of continuous casting billet and easy to operate.
Of the present utility modelly provide a kind of continuous casting billet scale to detect cutter sweep, comprise straightening machine and cutter unit with drive roll and driven voller, also comprise: straightening machine cell encoder, comprise the encoder on the driven voller that is installed in the straightening machine, to produce the corresponding pulse signal of displacement that moves with strand; Human and machine interface unit is used for manually importing cut lengths setting value and cut lengths drift correction value; The FPGA control module, be connected with cutter unit with straightening machine cell encoder, human and machine interface unit, then pulse signal is converted to the strand length value with the pulse signal that receives the generation of straightening machine cell encoder, and receive the cut lengths and the cut lengths drift correction value of human and machine interface unit input, then to the cut lengths setting value of strand length value with the correction of process cut lengths drift correction value compared, when strand length value during more than or equal to length settings, the FPGA control module sends the cutting instruction to cutter unit.
Detecting cutter sweep according to continuous casting billet scale of the present utility model also can comprise parallel and be connected to the infrared scale system of FPGA control module with straightening machine cell encoder.
Detect cutter sweep according to continuous casting billet scale of the present utility model, human and machine interface unit can comprise and be used for gathering and statistical analysis continuous casting billet scale detects the Database Unit of data of order of classes or grades at school, scale data and the abnormal conditions of cutting process.
Detect cutter sweep according to continuous casting billet scale of the present utility model, described straightening machine cell encoder also can comprise reducing gear, and encoder is connected on the driven voller of straightening machine by reducing gear.
Compare with conventional art, the utlity model has following advantage:
(1) stable height and fault rate are low.Because straightening machine encoder is connected with straightening machine driven voller, thus avoided skidding occurring between straightening roller and the continuous casting billet, thus improved the stability that the continuous casting billet scale detects.In addition, because the straightening machine of driven voller load is little, and the encoder stow away from heat, so fault rate is low.
(2) accuracy height.Because straightening machine encoder is connected by reducing gear with straightening machine driven voller, so improved the scale accuracy.
(3) easy to operate.Man-machine interface is connected with the FPGA control module that is connected with straightening machine cell encoder and cutter unit, thereby operating personnel can easily set cut lengths and cut lengths drift correction value, and can see the current state of cutting machine intuitively.
(4) on the basis of using straightening machine cell encoder, be coupled originally by the employed infrared scale of most of continuous casting lines system.Therefore, when straightening machine cell encoder breaks down, can use standby infrared scale system, thereby improve adaptability.
Description of drawings
Fig. 1 shows the control principle figure of continuous casting billet cutting length measuring device of the present utility model.
Fig. 2 shows the schematic diagram of the continuous casting process of using continuous casting billet cutting length measuring device of the present utility model.
The specific embodiment
Hereinafter, describe exemplary embodiment of the present utility model with reference to the accompanying drawings in detail.
In the accompanying drawings, identical label is represented identical device.For the sake of clarity, can exaggerate parts in the accompanying drawing.
Fig. 1 shows the control principle figure of continuous casting billet cutting length measuring device of the present utility model.Fig. 2 shows the schematic diagram of the continuous casting process of using continuous casting billet cutting length measuring device of the present utility model.
See figures.1.and.2, according to exemplary embodiment of the present utility model, continuous casting billet cutting length measuring device comprises straightening machine cell encoder 1, FPGA control (PLC) unit 2, cutter unit 3 and human and machine interface unit 4.
In the present embodiment, straightening machine cell encoder 1 comprises: encoder 5 and reducing gear 7.Straightening machine 6 comprise drive roll 6 ' and driven voller 6 ".Encoder 5 is by the driven voller 6 of reducing gear 7 with straightening machine 6 " be connected, to produce pulse signal.Because driven voller 6 ' revolution be directly proportional with the displacement that strand moves forward, so pulse signal is corresponding with the displacement that strand moves.
In addition, continuous casting billet scale according to the utility model exemplary embodiment detects cutter sweep, on the basis of using straightening machine cell encoder 1, also be coupled originally by the employed infrared scale of most of continuous casting lines system, infrared scale system and straightening machine cell encoder 1 are parallel to FPGA control module 2, thereby when straightening machine cell encoder 1 breaks down, can use standby infrared scale system to replace straightening machine cell encoder 1.
In the present embodiment, (Human Machine Interface, HMI) unit 4 has scale control picture to man-machine interface.Operating personnel select the scale mode by human and machine interface unit 4, input cut lengths setting value and cut lengths drift correction value, press from both sides data such as lead in advance, human and machine interface unit 4 by the ethernet communication mode with the cut lengths setting value received and cut lengths drift correction value, press from both sides transfer of data such as lead to FPGA control module 2 in advance.
Here, human and machine interface unit 4 general operational requirements are as follows: (1) encoder 5 detects normal; (2) 2 communications of FPGA control module are normal; (3) conticaster is in the casting pattern, judges by the signal that derives from conticaster; (4) in the operation interface of human and machine interface unit 4, select encoder scale mode or infrared scale mode; (5) the cutting operation mode is in automated manner, judges by the signal that derives from conticaster; (6) correct setting cut lengths and the cut lengths drift correction value of input in the operation interface of human and machine interface unit 4.
Human and machine interface unit 4 has following function:
1. realize human-machine interface function, can intuitively see the distance from cut point, the state of the current cutting machine of monitoring, and can manually set cut lengths setting value and cut lengths drift correction value.
2. realize the standby functions each other with former infrared scale system, the preferential encoder scale system of selecting when ordinary production automatically switches to former infrared scale system when the encoder scale system failure.
In addition, can carry out statistical analysis to order of classes or grades at school, scale data, abnormal conditions by development data storehouse in human and machine interface unit 2.
As shown in Figure 1, in continuous casting process, molten steel enters crystallizer 9 through tundish 8, then by the secondary cooling zone (not shown), form the local continuous casting billet that has the liquid core, carry out throwing and aligning by straightening machine 6 then, detect cutter unit by the continuous casting billet scale at last the continuous casting billet after aligning is carried out scale detection and cutting, meet the strand 10 of production requirement length with formation.
The sizing accuracy of billet continuous casting system that adopts infrared scale system is at the 0-50 millimeter, the scale qualification rate is 95%, adopt the sizing accuracy of billet continuous casting system that continuous casting billet scale of the present utility model detects cutter sweep at the 0-30 millimeter, the scale qualification rate reaches more than 99%.
In sum, continuous casting billet scale detection cutter sweep of the present utility model has the stability height, fault rate is low, accuracy is high, easy to operate, adaptable characteristics.
Although embodiment of the present utility model described above it will be apparent to those skilled in the art that the utility model can also have other variant embodiment.For example, encoder can be directly connected on the straightening machine driven voller.In addition, the utility model can comprise straightening machine cell encoder and not comprise infrared scale system.In addition, FPGA control module of the present utility model can be the PLC controller of other type.
Claims (4)
1. a continuous casting billet scale detects cutter sweep, comprises straightening machine and cutter unit with drive roll and driven voller, it is characterized in that also comprising:
Straightening machine cell encoder comprises the encoder on the driven voller that is installed in the straightening machine;
The FPGA control module is connected with cutter unit with the encoder of straightening machine cell encoder;
Human and machine interface unit is connected with the FPGA control module.
2. continuous casting billet scale as claimed in claim 1 detects cutter sweep, it is characterized in that described continuous casting billet scale detects cutter sweep and also comprises parallel and be connected to the infrared scale system of FPGA control module with straightening machine cell encoder.
3. continuous casting billet scale as claimed in claim 1 detects cutter sweep, it is characterized in that human and machine interface unit comprises to be used for gathering and statistical analysis continuous casting billet scale detects the Database Unit of data of order of classes or grades at school, scale data and the abnormal conditions of cutting process.
4. continuous casting billet scale as claimed in claim 1 detects cutter sweep, it is characterized in that described straightening machine cell encoder also comprises reducing gear, and encoder is connected on the driven voller of straightening machine by reducing gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202826846U CN201760574U (en) | 2010-08-05 | 2010-08-05 | Continuous casting fixed-length detection cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202826846U CN201760574U (en) | 2010-08-05 | 2010-08-05 | Continuous casting fixed-length detection cutter |
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| Publication Number | Publication Date |
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| CN201760574U true CN201760574U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202826846U Expired - Fee Related CN201760574U (en) | 2010-08-05 | 2010-08-05 | Continuous casting fixed-length detection cutter |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642005A (en) * | 2012-05-23 | 2012-08-22 | 河北钢铁股份有限公司邯郸分公司 | Square billet cutting root coupling counting method and device |
| CN103341608A (en) * | 2013-07-12 | 2013-10-09 | 鞍钢股份有限公司 | Continuous casting cutting machine sizing automatic correcting method |
| CN104308138A (en) * | 2014-11-14 | 2015-01-28 | 北京首钢自动化信息技术有限公司 | Casting end-point control device and method thereof based on multiple fixed lengths and multiple strands |
| CN104325105A (en) * | 2014-10-29 | 2015-02-04 | 中冶连铸技术工程有限责任公司 | On-line weighing, sizing and correcting method of continuous casting slab |
| CN105689672A (en) * | 2014-11-27 | 2016-06-22 | 上海梅山钢铁股份有限公司 | Interactive continuous-cast billet optimized cutting control method |
| CN109773149A (en) * | 2019-03-19 | 2019-05-21 | 宁波中超机器有限公司 | Automate the working method of continuous casting billet Casting Equipment |
| CN110756749A (en) * | 2019-10-31 | 2020-02-07 | 联峰钢铁（张家港）有限公司 | Billet length measuring method |
| CN113275531A (en) * | 2021-04-23 | 2021-08-20 | 包头钢铁（集团）有限责任公司 | Production method for improving billet casting blank sizing qualification rate |
| CN114147316A (en) * | 2021-12-15 | 2022-03-08 | 九江萍钢钢铁有限公司 | Steelmaking continuous casting blank flame cutting device and fixed-length cutting method thereof |
| CN114888248A (en) * | 2022-05-18 | 2022-08-12 | 首钢长治钢铁有限公司 | Method for correcting length of continuous casting billet |
-
2010
- 2010-08-05 CN CN2010202826846U patent/CN201760574U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642005B (en) * | 2012-05-23 | 2013-12-18 | 河北钢铁股份有限公司邯郸分公司 | Square billet cutting root coupling counting method and device |
| CN102642005A (en) * | 2012-05-23 | 2012-08-22 | 河北钢铁股份有限公司邯郸分公司 | Square billet cutting root coupling counting method and device |
| CN103341608A (en) * | 2013-07-12 | 2013-10-09 | 鞍钢股份有限公司 | Continuous casting cutting machine sizing automatic correcting method |
| CN104325105A (en) * | 2014-10-29 | 2015-02-04 | 中冶连铸技术工程有限责任公司 | On-line weighing, sizing and correcting method of continuous casting slab |
| CN104308138B (en) * | 2014-11-14 | 2016-06-29 | 北京首钢自动化信息技术有限公司 | A kind of casting terminal point control devices and methods therefor based on many scales, many casting stream |
| CN104308138A (en) * | 2014-11-14 | 2015-01-28 | 北京首钢自动化信息技术有限公司 | Casting end-point control device and method thereof based on multiple fixed lengths and multiple strands |
| CN105689672A (en) * | 2014-11-27 | 2016-06-22 | 上海梅山钢铁股份有限公司 | Interactive continuous-cast billet optimized cutting control method |
| CN105689672B (en) * | 2014-11-27 | 2018-07-27 | 上海梅山钢铁股份有限公司 | A kind of interactive mode continuous casting billet optimizing incision control method |
| CN109773149A (en) * | 2019-03-19 | 2019-05-21 | 宁波中超机器有限公司 | Automate the working method of continuous casting billet Casting Equipment |
| CN110756749A (en) * | 2019-10-31 | 2020-02-07 | 联峰钢铁（张家港）有限公司 | Billet length measuring method |
| CN113275531A (en) * | 2021-04-23 | 2021-08-20 | 包头钢铁（集团）有限责任公司 | Production method for improving billet casting blank sizing qualification rate |
| CN114147316A (en) * | 2021-12-15 | 2022-03-08 | 九江萍钢钢铁有限公司 | Steelmaking continuous casting blank flame cutting device and fixed-length cutting method thereof |
| CN114888248A (en) * | 2022-05-18 | 2022-08-12 | 首钢长治钢铁有限公司 | Method for correcting length of continuous casting billet |
| CN114888248B (en) * | 2022-05-18 | 2024-04-12 | 首钢长治钢铁有限公司 | Correction method for length of continuous casting billet |
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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: 20110316 Termination date: 20150805 |
|
| EXPY | Termination of patent right or utility model |