CN110328248A - The device of temperature is mended to rolled piece in a kind of rolling and mends warm method - Google Patents
The device of temperature is mended to rolled piece in a kind of rolling and mends warm method Download PDFInfo
- Publication number
- CN110328248A CN110328248A CN201910342362.1A CN201910342362A CN110328248A CN 110328248 A CN110328248 A CN 110328248A CN 201910342362 A CN201910342362 A CN 201910342362A CN 110328248 A CN110328248 A CN 110328248A
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- CN
- China
- Prior art keywords
- rolled piece
- roll
- temperature
- rolling
- infrared radiation
- 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.)
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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
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- 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
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/06—Thermomechanical rolling
Abstract
The device of temperature is mended to rolled piece in a kind of rolling and mends warm method, belong to Metal Forming field, it is characterized in that mending warm device is that position is equipped with upper and lower pinch roller in front of upper and lower roll, top pinch roll and topping roll bite rolled piece front upper place position and install the first, second infrared radiation thermometer respectively, and pulse power positive and negative anodes are connect with bottom pinch roll and bottom roll respectively；It is as follows to mend warm method and step: when 1. metal rolled pieces are transported to position in front of top pinch roll, rolled piece being monitored by the first infrared radiation thermometer, monitoring data are fed back into computer；2. after rolled piece touches roll, the current loop that pulse power positive and negative anodes are formed between bottom pinch roll and bottom roll and rolled piece respectively is connected, and rolled piece temperature increases, regulating power source voltage, pulsewidth, frequency are calculated, rolled piece is made to reach rolling preset temperature before rolling；3. monitoring rolled piece temperature by the second infrared radiation thermometer before roll, and by data feedback to computer.Advantage is that the benefit temperature apparatus structure is simple, and energy consumption is small, high-efficient.
Description
Technical field
The invention belongs to Metal Forming fields, and in particular to mend the device of temperature to rolled piece in a kind of rolling and mend Wen Fang
Method.
Technical background
In recent years, with the continuous improvement of China's economic level and national comprehensive strength, the consumption of all kinds of resources is not yet
Disconnected to increase, energy saving, reduction consumption becomes very important important link.It reviews the past the huge hair of decades steel rolling technology
Exhibition can be proved sufficiently, by constantly improve and accurately controlling hot rolling heating condition, rolling condition and cooling condition, can be optimized
Production procedure achievees the purpose that energy saving reduction energy consumption.
Rolled piece heating is first of critical process of plate production, and the quality of rolled piece heating quality directly influences rolling
Can process go on smoothly.Finishing temperature is the important parameter that product and mechanical property are influenced in the operation of rolling.Influence finish to gauge temperature
The factor of degree has time of staying temperature, tapping temperature, room temperature, material feed speed etc..
Rolled piece during the rolling process, by heating furnace discharge to enter top and bottom rolls before time in, due to rolled piece surface sky
Gas convection current and heat radiation will cause heat loss and temperature decline, this situation will affect finishing temperature, final to influence product ruler
Very little precision and product structure property, influence the final mass of product.
Summary of the invention
It, can be efficiently against existing it is an object of the present invention to provide mending the device of temperature to rolled piece in a kind of rolling and mending warm method
Technology there are the shortcomings that.
The present invention is implemented as follows: it is characterized in that mending warm device is that position is equipped with upper and lower folder in front of upper and lower roll
Roller is sent, the upper position before top pinch roll and topping roll bite rolled piece installs the first, second infrared radiation thermometer, the pulse power respectively
Positive and negative anodes connect respectively with bottom pinch roll and bottom roll；
The benefit temperature method implementation steps are as follows:
1. the metal rolled piece come out of the stove is transported to position in front of top pinch roll, rolled piece is supervised by the first infrared radiation thermometer
It surveys, and monitoring data is fed back into computer center；
2. the positive and negative anodes of the pulse power are respectively between bottom pinch roll and bottom roll and rolled piece after rolled piece touches upper and lower roll
The current loop of formation is connected, and rolled piece temperature quickly increases, and voltage, the arteries and veins for adjusting the pulse power are calculated by computer center
Wide, frequency carries out rolled piece to mend temperature, rolled piece is made to reach rolling preset temperature before the rolling；
3. monitoring rolled piece finishing temperature by the second infrared radiation thermometer before roll, and monitoring data are fed back in computer
The heart.
Advantage of the present invention and good effect are:
The present invention mends warm apparatus structure simply, flexibly, and output is accurate, stablizes, and temperature adjustable extent is wide, is suitable for different heating
The requirement of area and temperature adjustment, equipment energy consumption is small, the thermal efficiency is high, at low cost；
The warm method of benefit is easy to operate, reliable, save the cost, improves production efficiency and product quality.
Detailed description of the invention
Fig. 1 is that the present invention mends warm schematic device；
In figure: 1,4-the first, second infrared radiation thermometer, 3,3 '-upper and lower pinch rollers, 5,5 '-upper and lower rolls,
2-rolled pieces, the 6-pulse powers.
Specific embodiment:
As shown in Figure 1, being equipped with upper and lower pinch roller 3,3 ' in the front of upper and lower roll 5,5 ' position, in top pinch roll 3 and above roll
Roller 5 bites rolled piece front upper place position and is separately installed with the first, second infrared radiation thermometer 1,4, and the positive and negative anodes of the pulse power 6 are respectively under
Pinch roller 3 ' and bottom roll 5 ' connect.It is infrared by first when the rolled piece 2 come out of the stove is transmitted to upper and lower 3,3 ' front position of pinch roller
Temperature measurer 1 carries out temperature monitoring to rolled piece 2, and by the data feedback of monitoring to computer center；When rolled piece 2 moves on contact
To after upper and lower roll 5,5 ', the current loop formed between bottom pinch roll 3 ' and bottom roll 5 ' and rolled piece 2 is connected, rolled piece 2
Temperature increases rapidly, calculates the voltage for adjusting the pulse power, pulsewidth, frequency by computer center and carries out mending temperature to rolled piece 2, leads to
It crosses the second infrared radiation thermometer 4 and temperature monitoring is carried out to rolled piece 2, and give the data feedback of monitoring to calculating center, reach rolled piece
Dynamic mends the purpose of temperature.
Specific embodiment:
Embodiment 1:
If the mild steel Q235D plate that the plate width heated is 20mm, plate thickness is 5mm is transmitted to through rollgang close to upper and lower
The rolling temperature of pinch roller, mild steel Q235D is advisable at 850 DEG C；
1. above-mentioned rolled piece 2 is sent to before upper and lower pinch roller 3,3 ' through the first infrared radiation thermometer 1 to the progress temperature of plate 2 by
Monitoring, temperature are 780 DEG C, and temperature data is fed back to computer center；
2. is when plate passes through bottom roll 5 ' and bottom pinch roll 3 ' and pulse electricity to rolled piece 2 after touching upper and lower roll 5,5 '
The current loop that source positive and negative anodes are formed is connected, and is calculated by computer center and is adjusted the voltage of the pulse power, pulsewidth, frequency to rolling
Part carries out mending temperature, and the temperature that the second infrared radiation thermometer 4 before making roll monitors reaches 850 DEG C of preset temperature of rolling, temperature rise speed
Rate can reach 106℃·S-1Magnitude, the exportable peak point current 20000A of the pulse power 6 heats temperature in a short time
To 850 DEG C；
3. passes through the second infrared radiation thermometer 4 monitoring rolled piece finishing temperature before roll, and monitoring data are fed back to computer
Center.
Embodiment 2:
If the 304L stainless steel materials that the plate width heated is 20mm, plate thickness is 10mm are transmitted to through rollgang close to upper and lower
The rolling temperature of pinch roller, 304L stainless steel is advisable at 1250 DEG C；
1. above-mentioned rolled piece 2 is sent to before upper and lower pinch roller 3,3 ' through the first infrared radiation thermometer 1 to the progress temperature prison of plate 2 by
It surveys, temperature is 1100 DEG C, and temperature data is fed back to computer center；
2. is when plate passes through bottom roll 5 ' and bottom pinch roll 3 ' and the pulse power to rolled piece 2 after touching upper and lower roll 5,5 '
The current loop that positive and negative anodes are formed is connected, and calculates the voltage for adjusting the pulse power, pulsewidth, frequency to rolled piece by computer center
It carries out mending temperature, the temperature that the second infrared radiation thermometer 4 before making roll monitors reaches 1250 DEG C of preset temperature of rolling, temperature rise rate
It can reach 106℃·S-1Magnitude, temperature is heated to by the exportable peak point current 20000A of the pulse power 6 in a short time
1250℃；
3. passes through the second infrared radiation thermometer 4 monitoring rolled piece finishing temperature before roll, and monitoring data are fed back in computer
The heart.
Embodiment 3:
If the brass H62 plate that the plate width heated is 20mm, plate thickness is 5mm is transmitted to through rollgang close to pinch roller, yellow
The start rolling temperature of copper H62 is 770 DEG C；
1. above-mentioned rolled piece 2 is sent to before upper and lower pinch roller 3,3 ' through the first infrared radiation thermometer 1 to the progress temperature prison of plate 2 by
It surveys, temperature is 720 DEG C, and temperature data is fed back to computer center；
2. is when plate passes through bottom roll 5 ' and bottom pinch roll 3 ' and the pulse power to rolled piece 2 after touching upper and lower roll 5,5 '
The current loop that positive and negative anodes are formed is connected, and is calculated by computer center and is adjusted the voltage of the pulse power 6, pulsewidth, frequency to rolling
Part carries out mending temperature, and the temperature that the second infrared radiation thermometer 4 before making roll monitors reaches 770 DEG C of preset temperature of rolling, temperature rise speed
Rate can reach 106℃·S-1Magnitude, the exportable peak point current 20000A of the pulse power heats temperature in a short time
To 770 DEG C；
3. passes through the second infrared radiation thermometer 4 monitoring rolled piece finishing temperature before roll, and monitoring data are fed back in computer
The heart.
Claims (2)
1. the device of temperature is mended in a kind of rolling to rolled piece, it is characterized in that:
Position is equipped with upper and lower pinch roller (3,3 ') in front of upper and lower roll (5,5 '), stings in top pinch roll (3) and topping roll (5)
Upper position before entering rolled piece installs the first, second infrared radiation thermometer (1,4) respectively, and the positive and negative electrode of the pulse power (6) is respectively under
Pinch roller (3 ') and bottom roll (5 ') connection.
2. to the benefit temperature method of rolled piece in a kind of rolling, it is characterized in that: the benefit temperature method implementation steps are as follows:
1. the metal rolled piece (2) come out of the stove is transported to position in front of top pinch roll (3) by, by the first infrared radiation thermometer (1) to rolling
Part (2) is monitored, and monitoring data are fed back to computer；
2. after rolled piece (2) touches upper and lower roll (5,5 '), the positive and negative anodes of the pulse power (6) respectively with bottom pinch roll (3 ')
The current loop formed between bottom roll (5 ') and rolled piece (2) is connected, and rolled piece (2) temperature increases, and is calculated and is adjusted by computer
The voltage of the section pulse power (6), pulsewidth, frequency carry out rolled piece (2) to mend temperature, so that rolled piece (2) is reached rolling before the rolling default
Temperature；
3. passes through the finishing temperature of the second infrared radiation thermometer (4) monitoring rolled piece (2) before topping roll (5), and monitoring data are anti-
It feeds computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910342362.1A CN110328248A (en) | 2019-04-26 | 2019-04-26 | The device of temperature is mended to rolled piece in a kind of rolling and mends warm method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910342362.1A CN110328248A (en) | 2019-04-26 | 2019-04-26 | The device of temperature is mended to rolled piece in a kind of rolling and mends warm method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110328248A true CN110328248A (en) | 2019-10-15 |
Family
ID=68139858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910342362.1A Pending CN110328248A (en) | 2019-04-26 | 2019-04-26 | The device of temperature is mended to rolled piece in a kind of rolling and mends warm method |
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| Country | Link |
|---|---|
| CN (1) | CN110328248A (en) |
Citations (9)
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|---|---|---|---|---|
| KR100418530B1 (en) * | 2003-05-23 | 2004-02-14 | 주식회사 경인특수금속 | Electric Heating Type Rolling Device |
| CN2815536Y (en) * | 2005-07-14 | 2006-09-13 | 鞍钢集团新钢铁有限责任公司 | On-line flame concurrent heating device for medium-thin sheet contnuous casting billet direct rolling |
| CN1891363A (en) * | 2005-07-06 | 2007-01-10 | 清华大学深圳研究生院 | Electroplastic rolling method and apparatus for deformable magnesium alloy sheet, band and wire rod |
| CN203108932U (en) * | 2013-01-29 | 2013-08-07 | 清华大学深圳研究生院 | Metal electricity-plasticity asymmetrical rolling system |
| CN204294619U (en) * | 2014-11-21 | 2015-04-29 | 清华大学深圳研究生院 | The efficient Electroplastic rolling system of titanium alloy strip |
| CN105149352A (en) * | 2015-09-30 | 2015-12-16 | 中镁镁业有限公司 | Online temperature supplementing, constant-temperature rolling and coiling method for wrought magnesium alloy sheet strips |
| CN108126991A (en) * | 2017-12-01 | 2018-06-08 | 中南大学 | A kind of compound variable-thickness strip pulse current asynchronous rolling process of bimetallic |
| CN108273847A (en) * | 2018-01-17 | 2018-07-13 | 云南民族大学 | A kind of method that the vacuum rolling of electric current auxiliary prepares composite metal plate |
| CN108356075A (en) * | 2018-02-10 | 2018-08-03 | 太原理工大学 | A kind of milling method being applied to pulse current on composite metal plate |
-
2019
- 2019-04-26 CN CN201910342362.1A patent/CN110328248A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100418530B1 (en) * | 2003-05-23 | 2004-02-14 | 주식회사 경인특수금속 | Electric Heating Type Rolling Device |
| CN1891363A (en) * | 2005-07-06 | 2007-01-10 | 清华大学深圳研究生院 | Electroplastic rolling method and apparatus for deformable magnesium alloy sheet, band and wire rod |
| CN2815536Y (en) * | 2005-07-14 | 2006-09-13 | 鞍钢集团新钢铁有限责任公司 | On-line flame concurrent heating device for medium-thin sheet contnuous casting billet direct rolling |
| CN203108932U (en) * | 2013-01-29 | 2013-08-07 | 清华大学深圳研究生院 | Metal electricity-plasticity asymmetrical rolling system |
| CN204294619U (en) * | 2014-11-21 | 2015-04-29 | 清华大学深圳研究生院 | The efficient Electroplastic rolling system of titanium alloy strip |
| CN105149352A (en) * | 2015-09-30 | 2015-12-16 | 中镁镁业有限公司 | Online temperature supplementing, constant-temperature rolling and coiling method for wrought magnesium alloy sheet strips |
| CN108126991A (en) * | 2017-12-01 | 2018-06-08 | 中南大学 | A kind of compound variable-thickness strip pulse current asynchronous rolling process of bimetallic |
| CN108273847A (en) * | 2018-01-17 | 2018-07-13 | 云南民族大学 | A kind of method that the vacuum rolling of electric current auxiliary prepares composite metal plate |
| CN108356075A (en) * | 2018-02-10 | 2018-08-03 | 太原理工大学 | A kind of milling method being applied to pulse current on composite metal plate |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191015 |