CN102921744A - Automatic core rod supporting roller adjusting system for hot-rolled seamless steel tube production line - Google Patents
Automatic core rod supporting roller adjusting system for hot-rolled seamless steel tube production line Download PDFInfo
- Publication number
- CN102921744A CN102921744A CN2012104987140A CN201210498714A CN102921744A CN 102921744 A CN102921744 A CN 102921744A CN 2012104987140 A CN2012104987140 A CN 2012104987140A CN 201210498714 A CN201210498714 A CN 201210498714A CN 102921744 A CN102921744 A CN 102921744A
- Authority
- CN
- China
- Prior art keywords
- pin
- chip
- reversing valve
- connect
- proportional reversing
- 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
Landscapes
- Control Of Metal Rolling (AREA)
Abstract
The invention relates to an automatic core rod supporting roller adjusting system for a hot-rolled seamless steel tube production line. A displacement sensor and a side face fixed proportional reversing valve are fixed at the tail of a hydraulic cylinder of the original mechanical core rod supporting roller adjusting system; a control part comprises a central processing unit, a power processing circuit, a programmable logic storage device, a displacement sensor communication circuit and a proportional reversing valve driving control circuit; the displacement sensor, the programmable logic storage device, the central processing unit, the displacement sensor communication circuit and the proportional reversing valve driving control circuit are sequentially connected in a unidirectional mode; the power processing circuit is respectively connected with the programmable logic storage device, the proportional reversing valve driving control circuit and the proportional reversing valve in a unidirectional mode; the central processing unit is connected with the displacement sensor communication circuit in a bidirectional mode; and a direct current power supply is connected with the power processing circuit in a unidirectional mode. The automatic core rod supporting roller adjusting system has the beneficial effect of simple structure, convenience in installation and maintenance, convenient and rapid adjustment and long service life, and the parameters are required to be set in an operating room only.
Description
Technical field
The present invention relates to a kind of seamless steel pipe hot-rolling production line plug backing roll Adjustment System, particularly a kind of hot rolled seamless steel tube production line plug backing roll automatic adjustment system.
Background technology
Day by day fierceness along with market competition, the rhythm of producing is also accelerated gradually, the seamless steel pipe hot-rolling production line is because the continuity of producing, on-the-spot iron scale is piled up more, the bump repeatedly of single twin-tub is more serious to the wearing and tearing of spare part, the maintenance of the equipment of giving has caused a lot of inconvenience, in addition, because the bump of single twin-tub is uneven, cause the position deviation to occur, each backing roll position disunity during unified adjustment backing roll mandril position, adjusting separately needs the mobile hydraulic cylinder base, and program is loaded down with trivial details, and base is easily loosening, the adjustment time is longer, causes very large obstruction to subsequent production.
Summary of the invention
In view of needs of production, the invention provides a kind of hot rolled seamless steel tube production line plug backing roll automatic adjustment system, concrete technical scheme is, a kind of hot rolled seamless steel tube production line plug backing roll automatic adjustment system, it is characterized in that: comprise displacement transducer, proportional reversing valve and control section, hydraulic cylinder afterbody fixed displacement sensor in former mechanical plug backing roll Adjustment System, side fixed proportion reversal valve, control section comprises CPU, power supply processing circuit, programmable logic memory, displacement transducer communicating circuit and proportional reversing valve Drive and Control Circuit, circuit is connected to displacement transducer, programmable logic memory, CPU, displacement transducer communicating circuit and proportional reversing valve Drive and Control Circuit, proportional reversing valve is unidirectional connection successively, power supply processing circuit respectively with programmable logic memory, the unidirectional connection of proportional reversing valve Drive and Control Circuit and proportional reversing valve, CPU is connected with the displacement transducer communicating circuit is two-way, and dc source is connected with power supply processing circuit is unidirectional.
The invention has the beneficial effects as follows simple in structure, be convenient to installation and maintenance, easy to adjust, quick, long service life only needs to get final product at OPS's parameters.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present invention.
Fig. 2 is power supply processing circuit schematic diagram of the present invention.
Fig. 3 is programmable logic memory circuit theory diagrams of the present invention.
Fig. 4 is proportional reversing valve Drive and Control Circuit schematic diagram of the present invention.
Fig. 5 is displacement transducer communicating circuit schematic diagram of the present invention.
Fig. 6 is structure scheme of installation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the design is described further, CPU adopts the ATMEGA8 chip, power supply processing circuit adopts the LM2575 chip, programmable logic memory adopts the Atmel24c08 chip, communicating circuit adopts the MAX3232 chip, and the proportional reversing valve Drive and Control Circuit adopts the AAT4285 chip.
As shown in Figure 1, the successively unidirectional connection of displacement transducer 2, programmable logic memory, CPU, displacement transducer communicating circuit and proportional reversing valve Drive and Control Circuit, proportional reversing valve 6, power supply processing circuit respectively with programmable logic memory, proportional reversing valve Drive and Control Circuit and 6 unidirectional connections of proportional reversing valve, CPU is connected with the displacement transducer communicating circuit is two-way, and dc source is connected with power supply processing circuit is unidirectional.
As shown in Figure 2,1 pin of power supply processing circuit LM2575 chip with connect 24V voltage after the positive pole of capacitor C 9 is connected, 4 pin of LM2575 chip connect electrochemical capacitor C8 positive pole, inductance L 1 an end with meet VCC after the positive pole of light emitting diode D4 is connected, 2 pin of LM2575 chip connect the other end of inductance L 1 and the negative pole of diode D3; The negative pole of diode D4 is connected with the end of R5, and the other end of R5 is connected rear ground connection with the negative pole of capacitor C 8 other ends, C9, the positive pole of diode D3,3 pin of LM2575 with 5 pin.
As shown in Figure 3, the A0 pin of programmable logic memory Atmel24c02 chip, A1 pin and A2 pin connect respectively connector J1, the GND pin of Atmel24c02 chip with connect the GND end after the WP pin is connected, the end of the SCL pin contact resistance R1 of Atmel24c08 chip, the end of the SDA pin contact resistance R2 of Atmel24c08 chip, the other end of resistance R 1 with connect the VCC end after the other end of resistance R 2 is connected.
As shown in Figure 4,1 pin of proportional reversing valve Drive and Control Circuit AAT4285 chip with connect 12V voltage after 2 pin are connected, the positive pole of the negative pole of diode D2 and electrochemical capacitor C2, the positive pole of diode D2 be connected with electrochemical capacitor C2 negative pole connect after ground connection, 4 pin of AAT4285 chip with connect 14 pin of CPU ATMEGA8 chip and an end of resistance R 3 after an end of resistance R 4 is connected, the base stage of another termination triode Q1 of resistance R 3, the colelctor electrode of triode Q1 with connect the VCC end after the positive pole of diode D1 is connected, ground connection after the emitter stage of triode Q1 is connected with the negative pole of diode D1,5 pin of the other end of resistance R 4 and AAT4285 chip, 6 pin, 7 pin, one end of 8 pin and capacitor C 1 connects, the other end of capacitor C 1 with connect proportional reversing valve after 3 pin of AAT4285 chip are connected.
As shown in Figure 5,10 pin of communicating circuit MAX3232 chip connect 32 pin of CPU ATMEGA8 chip, 11 pin of MAX3232 chip connect 31 pin of CPU ATMEGA8 chip, be connected C5 between 1 pin of MAX3232 chip and 3 pin, be connected C6 between 4 pin of MAX3232 chip and 5 pin, be connected C3 between 16 pin of MAX3232 chip and 2 pin, be connected C4 between 6 pin of MAX3232 chip and 15 pin, meet VCC after being connected C7 between 16 pin of MAX3232 chip and 15 pin, 13 pin of MAX3232 chip with are connected pin and connect respectively connector J23 pin and 2 pin, the 1 pin ground connection of plug-in unit J2.
As shown in Figure 6, former plug backing roll Adjustment System comprises hydraulic cylinder 1, roll shaft swing arm external member 3, bearing block 4, swing arm 5, hydraulic cylinder 1 afterbody fixed displacement sensor 2, side fixed proportion reversal valve 6.
Operation principle: the stroke of displacement transducer 2 Real-Time Monitoring hydraulic cylinders 1, programmable logic memory received bit displacement sensor 2 signals also send the microprocessor of CPU to, whether the microprocessor judges current detection meets setting value to shift value, when the microprocessor judges current detection to shift value do not meet when setting value and carry out Bias Correction, the microprocessor of CPU also can be realized long-distance centralized control by communicating circuit with detection signal, thereby realize the automatic control of hydraulic cylinder 1 stroke, and then adjust the height of backing roll.
Claims (6)
1. a hot rolled seamless steel tube production line is with plug backing roll automatic adjustment system, comprise displacement transducer (2), proportional reversing valve (6) and control section, it is characterized in that: at hydraulic cylinder (1) the afterbody fixed displacement sensor (2) of former mechanical plug backing roll Adjustment System, side fixed proportion reversal valve (6), control section comprises CPU, power supply processing circuit, programmable logic memory, displacement transducer communicating circuit and proportional reversing valve Drive and Control Circuit, circuit is connected to displacement transducer (2), programmable logic memory, CPU, displacement transducer communicating circuit and proportional reversing valve Drive and Control Circuit, successively unidirectional connection of proportional reversing valve (6), power supply processing circuit respectively with programmable logic memory, the unidirectional connection of proportional reversing valve Drive and Control Circuit and proportional reversing valve (6), CPU is connected with the displacement transducer communicating circuit is two-way, and dc source is connected with power supply processing circuit is unidirectional.
2. hot rolled seamless steel tube production line as claimed in claim 1 is with plug backing roll Adjustment System, it is characterized in that: described CPU adopts the ATMEGA8 chip, described power supply processing circuit adopts the LM2575 chip, programmable logic memory adopts the Atmel24c08 chip, communicating circuit adopts the MAX3232 chip, and the proportional reversing valve Drive and Control Circuit adopts the AAT4285 chip.
3. hot rolled seamless steel tube production line as claimed in claim 1 is with plug backing roll automatic adjustment system, it is characterized in that: 1 pin of described power supply processing circuit LM2575 chip with connect 24V voltage after the positive pole of capacitor C 9 is connected, 4 pin of LM2575 chip connect electrochemical capacitor C8 positive pole, inductance L 1 an end with meet VCC after the positive pole of light emitting diode D4 is connected, 2 pin of LM2575 chip connect the other end of inductance L 1 and the negative pole of diode D3; The negative pole of diode D4 is connected with the end of R5, and the other end of R5 is connected rear ground connection with the negative pole of capacitor C 8 other ends, C9, the positive pole of diode D3,3 pin of LM2575 with 5 pin.
4. hot rolled seamless steel tube production line as claimed in claim 2 is with plug backing roll Adjustment System, it is characterized in that: the A0 pin of described programmable logic memory Atmel24c02 chip, A1 pin and A2 pin connect respectively 3 of connector J1,2,1 port, the GND pin of Atmel24c02 chip with connect the GND end after the WP pin is connected, the end of the SCL pin contact resistance R2 of Atmel24c08 chip, CPU ATMEGA8 chip 27 pin, the end of the SDA pin contact resistance R1 of Atmel24c08 chip, CPU ATMEGA8 chip 28 pin, the other end of resistance R 1 with connect the VCC end after the other end of resistance R 2 is connected.
5. hot rolled seamless steel tube production line as claimed in claim 1 is with plug backing roll automatic adjustment system, it is characterized in that: 1 pin of described proportional reversing valve Drive and Control Circuit AAT4285 chip with connect 12V voltage after 2 pin are connected, the positive pole of the negative pole of diode D2 and electrochemical capacitor C2, the positive pole of diode D2 be connected with electrochemical capacitor C2 negative pole connect after ground connection, 4 pin of AAT4285 chip with connect 14 pin of CPU ATMEGA8 chip and an end of resistance R 3 after an end of resistance R 4 is connected, the base stage of another termination triode Q1 of resistance R 3, the colelctor electrode of triode Q1 with connect the VCC end after the positive pole of diode D1 is connected, ground connection after the emitter stage of triode Q1 is connected with the negative pole of diode D1,5 pin of the other end of resistance R 4 and AAT4285 chip, 6 pin, 7 pin, one end of 8 pin and capacitor C 1 connects, the other end of capacitor C 1 with connect proportional reversing valve after 3 pin of AAT4285 chip are connected.
6. hot rolled seamless steel tube production line as claimed in claim 1 is with plug backing roll automatic adjustment system, it is characterized in that: 10 pin of described communicating circuit MAX3232 chip connect 32 pin of CPU ATMEGA8 chip, 11 pin of MAX3232 chip connect 31 pin of CPU ATMEGA8 chip, be connected C5 between 1 pin of MAX3232 chip and 3 pin, be connected C6 between 4 pin of MAX3232 chip and 5 pin, be connected C3 between 16 pin of MAX3232 chip and 2 pin, be connected C4 between 6 pin of MAX3232 chip and 15 pin, be connected between 16 pin of MAX3232 chip and 15 pin that 16 pin of MAX3232 chip meet VCC after the C7,15 pin ground connection of MAX3232 chip, 13 pin of MAX3232 chip with are connected pin and connect respectively 3 pin and 2 pin of connector J2, the 1 pin ground connection of plug-in unit J2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210498714.0A CN102921744B (en) | 2012-11-30 | 2012-11-30 | Automatic core rod supporting roller adjusting system for hot-rolled seamless steel tube production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210498714.0A CN102921744B (en) | 2012-11-30 | 2012-11-30 | Automatic core rod supporting roller adjusting system for hot-rolled seamless steel tube production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102921744A true CN102921744A (en) | 2013-02-13 |
| CN102921744B CN102921744B (en) | 2014-10-15 |
Family
ID=47636749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210498714.0A Expired - Fee Related CN102921744B (en) | 2012-11-30 | 2012-11-30 | Automatic core rod supporting roller adjusting system for hot-rolled seamless steel tube production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102921744B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691743A (en) * | 2013-12-12 | 2014-04-02 | 天津市电视技术研究所 | Automatic roller adjusting system before tube knockout for hot rolled seamless steel tube production line |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2569104A (en) * | 1946-03-09 | 1951-09-25 | Aetna Standard Eng Co | Mandrel bar support |
| JPS6418508A (en) * | 1987-07-14 | 1989-01-23 | Sumitomo Metal Ind | Method for elongation rolling tube |
| EP0796674A2 (en) * | 1996-03-18 | 1997-09-24 | MANNESMANN Aktiengesellschaft | Method of producing tubes from extruded, continuously cast or cross-rolled loops in a cold pilger mill |
| CN201070639Y (en) * | 2007-06-21 | 2008-06-11 | 纪朝霞 | Automatic control system of weldless steel tube punching machine |
| CN101254510A (en) * | 2008-04-12 | 2008-09-03 | 太原市通泽成套设备有限公司 | Centering device of roller milling steel tube |
| CN201338009Y (en) * | 2009-02-18 | 2009-11-04 | 鞍山安信制管设备设计研究有限公司 | Full hydraulic core rod controller |
| CN203044522U (en) * | 2012-11-30 | 2013-07-10 | 天津市电视技术研究所 | Core-rod supporting roll automatic adjusting system for hot-rolled seamless steel pipe production line |
-
2012
- 2012-11-30 CN CN201210498714.0A patent/CN102921744B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2569104A (en) * | 1946-03-09 | 1951-09-25 | Aetna Standard Eng Co | Mandrel bar support |
| JPS6418508A (en) * | 1987-07-14 | 1989-01-23 | Sumitomo Metal Ind | Method for elongation rolling tube |
| EP0796674A2 (en) * | 1996-03-18 | 1997-09-24 | MANNESMANN Aktiengesellschaft | Method of producing tubes from extruded, continuously cast or cross-rolled loops in a cold pilger mill |
| CN201070639Y (en) * | 2007-06-21 | 2008-06-11 | 纪朝霞 | Automatic control system of weldless steel tube punching machine |
| CN101254510A (en) * | 2008-04-12 | 2008-09-03 | 太原市通泽成套设备有限公司 | Centering device of roller milling steel tube |
| CN201338009Y (en) * | 2009-02-18 | 2009-11-04 | 鞍山安信制管设备设计研究有限公司 | Full hydraulic core rod controller |
| CN203044522U (en) * | 2012-11-30 | 2013-07-10 | 天津市电视技术研究所 | Core-rod supporting roll automatic adjusting system for hot-rolled seamless steel pipe production line |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691743A (en) * | 2013-12-12 | 2014-04-02 | 天津市电视技术研究所 | Automatic roller adjusting system before tube knockout for hot rolled seamless steel tube production line |
| CN103691743B (en) * | 2013-12-12 | 2015-07-22 | 天津市电视技术研究所 | Automatic roller adjusting system before tube knockout for hot rolled seamless steel tube production line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102921744B (en) | 2014-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102921744B (en) | Automatic core rod supporting roller adjusting system for hot-rolled seamless steel tube production line | |
| CN203044522U (en) | Core-rod supporting roll automatic adjusting system for hot-rolled seamless steel pipe production line | |
| CN201923690U (en) | Steel belt correcting mechanism | |
| CN201811725U (en) | Steering angle detection device for construction machine | |
| CN202147124U (en) | Bearing mounting device of integral type bearing box | |
| CN203791344U (en) | Connection structure for connecting shaft bracket and rolling mill base in short stress path rolling mill | |
| CN203330286U (en) | Feeding device of bimetal composite pipe high-pressure liquid expansion machine | |
| CN203720600U (en) | Oil pumping machine control system | |
| CN203712706U (en) | Horizontal manipulator | |
| CN103691743B (en) | Automatic roller adjusting system before tube knockout for hot rolled seamless steel tube production line | |
| CN201716840U (en) | Embedded oil field data remote wireless acquisition device | |
| CN204754224U (en) | Wear wall fastening bolt | |
| CN201776919U (en) | Novel connection device of press connection rod and ball screw rod | |
| CN210754381U (en) | Universal hydraulic roll-turning mechanism | |
| CN204189304U (en) | Parking stall automobile energy-saving detector | |
| CN204355832U (en) | A kind of uncoiling structure on double uncoiling machine | |
| CN204650291U (en) | The automatic level control device of two oil cylinders | |
| CN203384022U (en) | Frequency conversion and constant voltage control system of emulsion pump | |
| CN202926901U (en) | Connector of shaft and swinging arm | |
| CN201747326U (en) | Lift bypass valve | |
| CN207185485U (en) | A kind of intelligent gardens spray of energy-conserving and environment-protective removes haze system | |
| CN203530534U (en) | Spinning frame leather roller | |
| CN203925916U (en) | Can automatically solve stuck mechanical type piston cylinder piston reciprocating type pushing mechanism | |
| CN203334969U (en) | Sucker rod | |
| CN208519800U (en) | A kind of boiler auto-feeder |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |